Pointer-type angle measuring device with wireless power supply for lighting

Abstract

The invention belongs to the field of measuring tools, particularly relates to a pointer-type angle measuring device with wireless power supply for lighting for measuring angle state of an object. The invention includes a housing, a dial, a pointer and an electronic circuit. Wherein, the electronic circuit includes a wireless power supply circuit and a wireless power receiving and lighting circuit, and the wireless power receiving and lighting circuit is set on the pointer. The invention is characterized in that the pointer can illuminate, and the invention is convenient for people to use in a low light environment, to measure angle of the object.

Claims

1. A pointer-type angle measuring device with wireless power supply for lighting, including a housing, a dial (2), a pointer (3) and an electronic circuit, wherein, the electronic circuit comprises a wireless power supply circuit (8) and a wireless power receiving and lighting circuit (9), and the wireless power receiving and lighting circuit (9) is set in the pointer (3); the pointer (3) consists of a pointer body (3a) and a pointer head (3b), the pointer body (3a) is a housing structure with an inner cavity, the pointer head (3b) of the pointer (3) is made of a transparent material; the wireless power receiving and lighting circuit (9) is set in the pointer body (3a) and comprises a power receiver coil (9a), a second light emitting diode (9c) for lighting of the pointer head (3b) and a circuit board (9b) in the wireless power receiving and lighting circuit, wherein, a power receiver coil fixing base (3f) is set on the back of the pointer body (3a), and the power receiver coil (9a) is fixed on the power receiver coil fixing base (3f).

2. The pointer-type angle measuring device with wireless power supply for lighting according to claim 1, wherein, the housing consists of a front cover (1) and a rear cover (6), a window is set in the front cover (1), a transparent cover (4) is set on the window of the front cover (1), and the pointer (3) is set in an inner cavity of the housing inside of the transparent cover (4).

3. The pointer-type angle measuring device with wireless power supply for lighting according to claim 2, wherein, the wireless power supply circuit (8) comprises a power transmitter coil (8a) and a circuit board (8b) in the wireless power supply circuit, wherein a power transmitter coil fixing base (7) is set on the inner side of the rear cover (6), the power transmitter coil (8a) is fixed on power transmitter coil fixing base (7), and the power transmitter coil (8a) is connected with the circuit board (8b) in the wireless power supply circuit through a wire (8d).

4. The pointer-type angle measuring device with wireless power supply for lighting according to claim 3, wherein, a shaft hole is set in the middle of the power receiver coil fixing base (30 for communicating with the pointer body (3a), a bearing (3d) is mounted in the shaft hole in the middle of the pointer body (3a) and the power receiver coil fixing base (3f), a main shaft (3e) is mounted in a bearing hole of the bearing (3d), one end of the main shaft (3e) is fixed on the transparent cover (4), the other end of the main shaft (3e) is fixed on the rear cover (6), and the pointer (3) can rotate around the main shaft (3e) as the axis.

5. The pointer-type angle measuring device with wireless power supply for lighting according to claim 4, wherein, a level bubble (3c) is set in the inner cavity of the pointer body (3a), a level bubble window (3a1) is set in the front surface of the pointer body (3a) of the pointer (3), and the level bubble window (3a1) is located above the circuit board (9b) in the wireless power receiving and lighting circuit.

6. The pointer-type angle measuring device with wireless power supply for lighting according to claim 5, wherein, the dial (2) is circular, the dial (2) is set on the outer edge of the window in the front cover (1) in the inner cavity of the housing inside of the transparent cover (4), a circular light emitting diode fixing ring (5) is set on the back of the dial (2), and a first light emitting diode (8c) is set on the light emitting diode fixing ring (5).

7. The pointer-type angle measuring device with wireless power supply for lighting according to claim 6, wherein, the wireless power supply circuit (8) comprises a microcomputer processor (IC.sub.1) a wireless transmitting circuit (801), an LED driving circuit (802), an energy-saving circuit (903) and a power circuit (804).

8. The pointer-type angle measuring device with wireless power supply for lighting according to claim 7, wherein, the microcomputer processor (IC.sub.1) is HT48R063B microcomputer processor.

9. The pointer-type angle measuring device with wireless power supply for lighting according to claim 8, wherein, the wireless transmitting circuit (801) comprises a triode (Q), a transmitter coil (L.sub.1), a capacitor 5 (C.sub.5), a resistor 2 (R.sub.2) and a resistor 3 (R.sub.3), wherein one end of the resistor 2 (R.sub.2) is connected with a pin 2 of the microcomputer processor (IC.sub.1) the other end of the resistor 2 (R.sub.2) is connected with a base electrode of the triode (Q), a collector electrode of the triode (Q) is serially connected with the transmitter coil (L.sub.1) and the capacitor 5 (C.sub.5) in turn, the other end of the capacitor 5 (C.sub.5) is grounded, a node between the transmitter coil (L.sub.1) and the capacitor 5 (C.sub.5) is connected to the power supply voltage VCC of the circuit, an emitter electrode of the triode (Q) is connected with one end of the resistor 3 (R.sub.3), and the other end of the resistor 3 (R.sub.3) is grounded.

10. The pointer-type angle measuring device with wireless power supply for lighting according to claim 8, wherein, the LED driving circuit (802) comprises a resistor 7 (R.sub.7), a resistor 8 (R.sub.8), a resistor 9 (R.sub.9), a resistor 10 (R.sub.10) and the first light emitting diode, wherein, the first light emitting diode consists of a light emitting diode 1 (LED.sub.1), a light emitting diode 2 (LED.sub.2), a light emitting diode 3 (LED.sub.3) and a light emitting diode 4 (LED.sub.4), all anodes of the light emitting diode 1 (LED.sub.1), the light emitting diode 2 (LED.sub.2), the light emitting diode 3 (LED.sub.3) and the light emitting diode 4 (LED.sub.4) are connected to the power supply voltage VDD of the circuit, cathodes of the light emitting diode 1 (LED.sub.1), the light emitting diode 2 (LED.sub.2), the light emitting diode 3 (LED.sub.3) and the light emitting diode 4 (LED.sub.4) are respectively connected with one end of the resistor 7 (R.sub.7), the resistor 8 (R.sub.8), the resistor 9 (R.sub.9) and the resistor 10 (R.sub.10), and the other end of the resistor 7 (R.sub.7), the resistor 8 (R.sub.8), the resistor 9 (R.sub.9) and the resistor 10 (R.sub.10) are respectively connected with pin 4, pin 3, pin 1 and pin 16 of the microcomputer processor (IC.sub.1).

11. The pointer-type angle measuring device with wireless power supply for lighting according to claim 8, wherein, the energy-saving circuit (803) comprises a capacitor 1 (C.sub.1), a capacitor 4 (C.sub.4), a resistor 1 (R.sub.1), a resistor 11 (R.sub.11) and a start switch (SK), wherein, the capacitor 1 (C.sub.1) is an electrolytic capacitor, the anode of the capacitor 1 (C.sub.1) is connected with one end of the resistor 11 (R.sub.11) and the power supply voltage VCC of the circuit, the cathode of the capacitor 1 (C.sub.1) is grounded and connected with the other end of the resistor 11 (R.sub.11), one end of the capacitor 4 (C.sub.4) and one end of the resistor 1 (R.sub.1), the other end of the capacitor 4 (C.sub.4) is connected with one end of the start switch (SK) and the pin 7 of the microcomputer processor (IC.sub.1), the other end of the start switch (SK) is connected with the other end of the resistor 1 (R.sub.1).

12. The pointer-type angle measuring device with wireless power supply for lighting according to claim 8, wherein, the power circuit (804) comprises a parallel voltage-stabilizing integrated circuit (IC.sub.2), a capacitor 2 (C.sub.2), a capacitor 3 (C.sub.3), a resistor 4 (R.sub.4), a resistor 5 (R.sub.5), a resistor 6 (R.sub.6) and a resistor 12 (R.sub.12), wherein, the capacitor 2 (C.sub.2) is an electrolytic capacitor, the cathode of the capacitor 2 (C.sub.2) is grounded and connected with the pin 5 of the microcomputer processor (IC.sub.1), one end of the capacitor 3 (C.sub.3), the anode of the parallel voltage-stabilizing integrated circuit (IC.sub.2), one end of the resistor 5 (R.sub.5) and one end of the resistor 6 (R.sub.6), the anode of the capacitor 2 (C.sub.2), the pin 13 of the microcomputer processor (IC.sub.1), the pin 12 of the microcomputer processor (IC.sub.1), the other end of the capacitor 3 (C.sub.3), the cathode of the parallel voltage-stabilizing integrated circuit (IC.sub.2), one end of the resistor 4 (R.sub.4, one end of the resistor 6 (R.sub.6) and one end of the resistor 12 (R.sub.12) are connected to the power supply voltage VDD of the circuit, the other end of the resistor 4 (R.sub.4) is connected with the other end of the resistor 5 (R.sub.5) and a reference electrode of the parallel voltage-stabilizing integrated circuit (IC.sub.2), and the other end of the resistor 12 (R.sub.12) is connected to the power supply VCC of the circuit.

13. The pointer-type angle measuring device with wireless power supply for lighting according to claim 8, wherein, wireless power receiving and lighting circuit (9) comprises a power receiver coil (L.sub.2), a capacitor 6 (C.sub.6) and the second light emitting diode, wherein, the second light emitting diode consists of a light emitting diode 5 (LED.sub.5) and a light emitting diode 6 (LED.sub.6), the cathode of the light emitting diode 5 (LED.sub.5 is connected with the anode of the light emitting diode 6 (LED.sub.6), the anode of the light emitting diode 5 (LED.sub.5) is connected with one end of the power receiver coil (L.sub.2) and one end of the capacitor 6 (C.sub.6), the cathode of the light emitting diode 6 (LED.sub.6 is connected with the other end of the power receiver coil (L.sub.2) and the other end of the capacitor 6 (C.sub.6).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is an appearance representation of the pointer-type angle measuring device with wireless power supply for lighting of the invention.

(2) FIG. 2 is a structural representation of the pointer-type angle measuring device with wireless power supply for lighting of the invention.

(3) FIG. 3 is an appearance representation of the pointer.

(4) FIG. 4 is a structural representation of the pointer.

(5) FIG. 5 is a circuit diagram of the electronic circuit of the pointer-type angle measuring device with wireless power supply for lighting of the invention.

(6) In FIG. 1-FIG. 5, wherein:

(7) 1: front cover; 2: dial; 3: pointer; 3a: pointer body; 3a1: level bubble window; 3b: pointer head; 3c: level bubble; 3d: bearing; 3e: main shaft; 3f: power receiver coil fixing base; 4: transparent cover; 5: light emitting diode fixing ring; 6: rear cover; 7: power transmitter coil fixing base; 8: wireless power supply circuit; 801: wireless transmitting circuit; 802: LED driving circuit; 803: energy-saving circuit; 804: power circuit; 8a: power transmitter coil; 8b: circuit board in the wireless power supply circuit; 8c: first light emitting diode; 8d: lead; 9: wireless power receiving and lighting circuit; 9a: power receiver coil; 9b: circuit board in the wireless power receiving and lighting circuit; 9c: second light emitting diode; 10: datum level; IC.sub.1: microcomputer processor; IC.sub.2: parallel voltage-stabilizing integrated circuit; Q: triode; LED.sub.1: light emitting diode 1; LED.sub.2: light emitting diode 2; LED.sub.3: light emitting diode 3; LED.sub.4: light emitting diode 4; LED.sub.5: light emitting diode 5; LED.sub.6: light emitting diode 6; C.sub.1: capacitor 1; C.sub.2: capacitor 2; C.sub.3: capacitor 3; C.sub.4: capacitor 4; C.sub.5: capacitor 5; C.sub.6: capacitor 6; L.sub.1: power transmitter coil; L.sub.2: power receiver coil; R.sub.1: resistor 1; R.sub.2: resistor 2; R.sub.3: resistor 3; R.sub.4: resistor 4; R.sub.5: resistor 5; R.sub.6: resistor 6; R.sub.7: resistor 7; R.sub.8: resistor 8; R.sub.9: resistor 9; R.sub.10: resistor 10; R.sub.11: resistor 11; R.sub.12: resistor 12; and SK: start switch.

DETAILED DESCRIPTION

(8) By reference to drawings, the invention will be further described by examples below.

(9) Referring to FIG. 1-FIG. 5, a pointer-type angle measuring device with wireless power supply for lighting, includes a housing, a dial 2, a pointer 3 and an electronic circuit. Wherein, the electronic circuit includes a wireless power supply circuit 8 and a wireless power receiving and lighting circuit 9, and the housing consists of a front cover 1 and a rear cover 6. A window is set in the front cover 1, a transparent cover 4 is set on the window of the front cover 1, and the pointer 3 is set in an inner cavity of the housing inside of the transparent cover 4, the pointer 3 consists of a pointer body 3a and a pointer head 3b, and the pointer body 3a is a housing structure with an inner cavity. A level bubble 3c is set in the inner cavity of the pointer body 3a, and a level bubble window 3a1 is set in the front surface of the pointer body 3a of the pointer 3. The pointer head 3b of the pointer 3 is made of a transparent material. The wireless power supply circuit 8 includes a power transmitter coil 8a and a circuit board 8b in the wireless power supply circuit, wherein, a power transmitter coil fixing base 7 is set on the inner side of the rear cover 6, the power transmitter coil 8a is fixed on power transmitter coil fixing base 7, and the power transmitter coil 8a is connected with the circuit board 8b in the wireless power supply circuit through a wire 8d. The wireless power receiving and lighting circuit 9 includes a power receiver coil 9a, a second light emitting diode 9c for lighting of the pointer head 3b and a circuit board 9b in the wireless power receiving and lighting circuit, wherein, a power receiver coil fixing base 3f is set on the back of the pointer body 3a, and the power receiver coil 9a is fixed on the power receiver coil fixing base 3f. A shaft hole is set in the middle of the power receiver coil fixing base 3f for communicating with the pointer body 3a, a bearing 3d is mounted in the shaft hole in the middle of the pointer body 3a and the power receiver coil fixing base 3f, a main shaft 3e is mounted in a bearing hole of the bearing 3d, one end of the main shaft 3e is fixed on the transparent cover 4, the other end of the main shaft 3e is fixed on the rear cover 6, and the pointer 3 can rotate around the main shaft 3e as the axis. The circuit board 9b in the wireless power receiving and lighting circuit is set below the pointer head 3b in the inner cavity of the pointer body 3a and the level bubble window 3a1. The dial 2 is circular, the dial 2 is set on the outer edge of the window in the front cover 1 in the inner cavity of the housing inside of the transparent cover 4, a circular light emitting diode fixing ring 5 is set on the back of the dial 2, and a first light emitting diode 8c is set on the light emitting diode fixing ring 5. The datum level 10 of the pointer-type angle measuring device with wireless power supply for lighting is set on the bottom.

(10) In the pointer-type angle measuring device with wireless power supply for lighting, the wireless power supply circuit 8 consists of a microcomputer processor IC.sub.1, a wireless transmitting circuit 801, an LED driving circuit 802, an energy-saving circuit 803 and a power circuit 804, wherein:

(11) The microcomputer processor IC.sub.1 is HT48R063B microcomputer processor. Control software of the pointer-type angle measuring device with wireless power supply for lighting of the invention is set in the microcomputer processor IC.sub.1 in advance to control the electronic circuit in this invention.

(12) The wireless transmitting circuit 801 includes a triode Q, a transmitter coil L.sub.1, a capacitor 5 C.sub.5, a resistor 2 R.sub.2 and a resistor 3 R.sub.3, wherein one end of the resistor 2 R.sub.2 is connected with the pin 2 of the microcomputer processor IC.sub.1, the other end of the resistor 2 R.sub.2 is connected with a base electrode of the triode Q. A collector electrode of the triode Q is serially connected with the transmitter coil L.sub.1 and the capacitor 5 C.sub.5 in turn, the other end of the capacitor 5 C.sub.5 is grounded. A node between the transmitter coil L.sub.1 and the capacitor 5 C.sub.5 is connected to the power supply voltage VCC of the circuit, an emitter electrode of the triode Q is connected with one end of the resistor 3 R.sub.3, and the other end of the resistor 3 R.sub.3 is grounded.

(13) The LED driving circuit 802 includes a resistor 7 R.sub.7, a resistor 8 R.sub.8, a resistor 9 R.sub.9, a resistor 10 R.sub.10 and a first light emitting diode 8c, wherein, the first light emitting diode 8c consists of a light emitting diode 1 LED.sub.1, a light emitting diode 2 LED.sub.2, a light emitting diode 3 LED.sub.3 and a light emitting diode 4 LED.sub.4. All anodes of the light emitting diode 1 LED.sub.1, the light emitting diode 2 LED.sub.2, the light emitting diode 3 LED.sub.3 and the light emitting diode 4 LED.sub.4 are connected to the power supply voltage VDD of the circuit. Cathodes of the light emitting diode 1 LED.sub.1, the light emitting diode 2 LED.sub.2, the light emitting diode 3 LED.sub.3 and the light emitting diode 4 LED.sub.4 are respectively connected with one end of the resistor 7 R.sub.7, the resistor 8 R.sub.8, the resistor 9 R.sub.9 and the resistor 10 R.sub.10, and the other end of the resistor 7 R.sub.7, the resistor 8 R.sub.8, the resistor 9 R.sub.9 and the resistor 10 R.sub.10 are respectively connected with pin 4, pin 3, pin 1 and pin 16 of the microcomputer processor IC.sub.1.

(14) The energy-saving circuit 803 includes a capacitor 1 C.sub.1, a capacitor 4 C.sub.4, a resistor 1 R.sub.1, a resistor 11 R.sub.11 and a start switch SK, wherein, the capacitor 1 C.sub.1 is an electrolytic capacitor, the anode of the capacitor 1 C.sub.1 is connected with one end of the resistor 11 R.sub.11 and the power supply voltage VCC of the circuit, the cathode of the capacitor 1 C.sub.1 is grounded and connected with the other end of the resistor 11 R.sub.11. One end of the capacitor 4 C.sub.4 and one end of the resistor 1 R.sub.1, the other end of the capacitor 4 C.sub.4 is connected with one end of the start switch SK and the pin 7 of the microcomputer processor IC.sub.1, the other end of the start switch SK is connected with the other end of the resistor 1 R.sub.1. The energy-saving circuit 803 can cooperate with the microcomputer processor IC.sub.1 to achieve energy-saving function; if users forget to turn off the power supply after using the pointer-type angle measuring device with wireless power supply for lighting of the invention, the microcomputer processor IC.sub.1 can turn off the power supply for the LED driving circuit 802 and the wireless transmitting circuit 801, thus achieving the goal of energy saving.

(15) The power circuit 804 includes a parallel voltage-stabilizing integrated circuit IC.sub.2, a capacitor 2 C.sub.2, a capacitor 3 C.sub.3, a resistor 4 R.sub.4, a resistor 5 R.sub.5, a resistor 6 R.sub.6 and a resistor 12 R.sub.12, wherein, the capacitor 2 C.sub.2 is an electrolytic capacitor, the cathode of the capacitor 2 C.sub.2 is grounded and connected with the pin 5 of the microcomputer processor IC.sub.1, one end of the capacitor 3 C.sub.3, the anode of the parallel voltage-stabilizing integrated circuit IC.sub.2, one end of the resistor 5 R.sub.5 and one end of the resistor 6 R.sub.6, the anode of the capacitor 2 C.sub.2, the pin 13 of the microcomputer processor IC.sub.1, the pin 12 of the microcomputer processor IC.sub.1, the other end of the capacitor 3 C.sub.3, the cathode of the parallel voltage-stabilizing integrated circuit IC.sub.2, one end of the resistor 4 R.sub.4, one end of the resistor 6 R.sub.6 and one end of the resistor 12 R.sub.12 are connected to the power supply voltage VDD in the circuit, the other end of the resistor 4 R.sub.4 is connected with the other end of the resistor 5 R.sub.5 and a reference electrode of the parallel voltage-stabilizing integrated circuit IC.sub.2, and the other end of the resistor 12 R.sub.12 is connected to the power supply VCC of the circuit.

(16) In the pointer-type angle measuring device with wireless power supply for lighting, the wireless power receiving and lighting circuit 9 includes a power receiver coil L.sub.2, a capacitor 6 C.sub.6 and a second light emitting diode 9c, wherein, the second light emitting diode consists of a light emitting diode 5 LED.sub.5 and a light emitting diode 6 LED.sub.6, the cathode of the light emitting diode 5 LED.sub.5 is connected with the anode of the light emitting diode 6 LED.sub.6, the anode of the light emitting diode 5 LED.sub.5 is connected with one end of the power receiver coil L.sub.2 and one end of the capacitor 6 C.sub.6, the cathode of the light emitting diode 6 LED.sub.6 is connected with the other end of the power receiver coil L.sub.2 and the other end of the capacitor 6 C.sub.6.