G01R31/66

Interlock device for high voltage apparatus
11709210 · 2023-07-25 · ·

Provided is an interlock device for a high voltage apparatus which enables not only the diagnosis of the connected or non-connected state of a connector during normal operation of the interlock device, but also the detection of a failure of the interlock device itself, including a failure of the interlock loop. The device includes an interlock loop 16 annexed to an HV connector 7 for connecting an electric compressor to an HV battery 8, a detecting signal output unit, a first switching element, a controlling voltage switching circuit operable, in a closed state of the interlock loop, to switch a voltage applied to a control electrode of the first switching element according to an output of the detecting signal output unit, a second switching element operable, in an open state of the interlock loop, to apply to the control electrode of the first switching element an output of the controlling voltage switching circuit so as to cause an ON/OFF state of the first switching element to be inverted from when the interlock loop is in the closed state, and a failure diagnosis unit.

METHODS AND APPARATUS TO DETECT A COMPATIBLE PORT
20230023951 · 2023-01-26 ·

Methods, apparatus, systems, and articles of manufacture are disclosed detection circuitry including an inductor and a capacitor; and controller circuitry coupled to the detection circuitry, the controller circuitry configured to: generate a voltage pulse; supply the voltage pulse to the detection circuitry; monitor a characteristic of a detection output of the detection circuitry in response to the voltage pulse; determine a variation in the detection output based on a comparison of the characteristic of the detection output to a threshold value; and determine a type of connector in proximity to the detection circuitry based on the variation.

METHODS AND APPARATUS TO DETECT A COMPATIBLE PORT
20230023951 · 2023-01-26 ·

Methods, apparatus, systems, and articles of manufacture are disclosed detection circuitry including an inductor and a capacitor; and controller circuitry coupled to the detection circuitry, the controller circuitry configured to: generate a voltage pulse; supply the voltage pulse to the detection circuitry; monitor a characteristic of a detection output of the detection circuitry in response to the voltage pulse; determine a variation in the detection output based on a comparison of the characteristic of the detection output to a threshold value; and determine a type of connector in proximity to the detection circuitry based on the variation.

DEVICE FOR CONTROLLING TRAPPED IONS HAVING AN ELECTRODE CIRCUITRY CONFIGURED FOR DEVICE TESTING

A device for controlling trapped ions includes a substrate. An electrode structure is disposed on the substrate, the electrode structure including DC electrodes and RF electrodes of an ion trap configured to trap ions in a space above the substrate. A first device terminal is disposed on the substrate, the first device terminal being connected via a first electrode connection line to a specific DC electrode. Further, a second device terminal is disposed on the substrate, the second device terminal being connected via a second electrode connection line to the specific DC electrode.

DEVICE FOR CONTROLLING TRAPPED IONS HAVING AN ELECTRODE CIRCUITRY CONFIGURED FOR DEVICE TESTING

A device for controlling trapped ions includes a substrate. An electrode structure is disposed on the substrate, the electrode structure including DC electrodes and RF electrodes of an ion trap configured to trap ions in a space above the substrate. A first device terminal is disposed on the substrate, the first device terminal being connected via a first electrode connection line to a specific DC electrode. Further, a second device terminal is disposed on the substrate, the second device terminal being connected via a second electrode connection line to the specific DC electrode.

UNIVERSAL MATE-IN CABLE INTERFACE SYSTEM
20230221347 · 2023-07-13 ·

An assembly for interfacing an existing harness connector of an installed wiring harness to a test module. The assembly comprises: a harness-specific connector which is connectable to the existing harness connector, a test box connector module connected to the harness-specific connector, for connecting to a test module, and a unique identifier which is readable on the assembly and which is unique to the test box connector module; wherein the unique identifier is used to identify the test box connector module and to determine a configuration that corresponds to the identifier of the assembly, and to determine the correspondence between contacts of the test module to contacts of the existing harness connector.

UNIVERSAL MATE-IN CABLE INTERFACE SYSTEM
20230221347 · 2023-07-13 ·

An assembly for interfacing an existing harness connector of an installed wiring harness to a test module. The assembly comprises: a harness-specific connector which is connectable to the existing harness connector, a test box connector module connected to the harness-specific connector, for connecting to a test module, and a unique identifier which is readable on the assembly and which is unique to the test box connector module; wherein the unique identifier is used to identify the test box connector module and to determine a configuration that corresponds to the identifier of the assembly, and to determine the correspondence between contacts of the test module to contacts of the existing harness connector.

DEVICE FOR CHECKING THE WITHSTAND VOLTAGE OF A CABLE TO WHICH A CONNECTOR IS CONNECTED
20230213594 · 2023-07-06 ·

Disclosed is a device for checking withstand voltage of a connector-coupled cable. The device comprises: a pair of electrode boxes; and a control block configured to apply a start signal to a test instrument, which outputs a preset high voltage, according to an electrical state detected in each electrode box that includes: a housing whose a part of a front side is open; a conductive electrode plate mounted on an inner front side of the housing in such a way that it is rotatable around its top end; and a detection unit, mounted inside the housing with a predetermined gap from the electrode plate, to detect whether the electrode plate is rotated due to push on a lower part of the electrode plate. The electrical state is an electrical state between both terminals of the detection unit, and the preset high voltage is applied between both electrode plates.

DEVICE FOR CHECKING THE WITHSTAND VOLTAGE OF A CABLE TO WHICH A CONNECTOR IS CONNECTED
20230213594 · 2023-07-06 ·

Disclosed is a device for checking withstand voltage of a connector-coupled cable. The device comprises: a pair of electrode boxes; and a control block configured to apply a start signal to a test instrument, which outputs a preset high voltage, according to an electrical state detected in each electrode box that includes: a housing whose a part of a front side is open; a conductive electrode plate mounted on an inner front side of the housing in such a way that it is rotatable around its top end; and a detection unit, mounted inside the housing with a predetermined gap from the electrode plate, to detect whether the electrode plate is rotated due to push on a lower part of the electrode plate. The electrical state is an electrical state between both terminals of the detection unit, and the preset high voltage is applied between both electrode plates.

Switch detection circuit, method, and switch detector

A switch detection circuit includes a controller, a first DC isolation module, a second DC isolation module, and a signal conditioning module connected to the controller. The controller is connected to a first end of an external switch via the first DC isolation module and the signal conditioning module is connected to a second end of the external switch via the second DC isolation module. The controller is configured to output a pulse signal, and transmit the pulse signal to the second DC isolation module via the first DC isolation module and the external switch. As a current flowing out from the second DC isolation module, the signal conditioning module outputs a feedback signal to the controller and the controller counts according to the feedback signal and detects the working state of the external switch according to the count value.