Power supply test equipment

Abstract

The utility model relates to the technical field of test equipment, and discloses power supply test equipment, which comprises a relay switcher used for being connected with a power supply; the load decoy device is electrically connected with the relay switcher, and the load decoy device is used for identifying a charging protocol of the power supply and providing voltage for the relay switcher; and the upper computer is electrically connected to the relay switcher and the load decoy device, and the upper computer is used for controlling the output voltage of the load decoy device and detecting the output power of the power supply. According to the power supply test equipment, the load decoy device integrated with various charging protocols is arranged, so that power supplies produced by different manufacturers can be matched on the charging protocols, and the identification of various different brands of power supplies is realized. By arranging the relay switcher, a plurality of power supplies to be tested can be connected at one time through the relay switcher, and the upper computer can switch the power supply under test through the relay switcher, so that seamless connection test of the power supplies is realized.

Description

Technical Field

[0001] This application relates to the technical field of test equipment, and specifically to a power supply test equipment. Background Art

[0002] After the power supply is produced, it is necessary to conduct quality inspection on the power supply to ensure that the production of the power supply meets the design standards of the power supply. The detection of the output power of the power supply is one of the most important items in many power supply quality inspection projects.

[0003] Currently, for the detection of the output power of the power supply, it is necessary to manually connect the power supply to the spoofing device, use the spoofing device to induce the charging protocol of the power supply, and then detect the power supply. However, the efficiency of manually connecting the power supply and the spoofing device is low, resulting in low detection efficiency of the power supply. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, this application provides a power supply test equipment, which solves the problem of low detection efficiency of the power supply.

[0005] To achieve the above object, this application provides the following technical solution: A power supply test equipment, comprising:

[0006] A relay switcher, which is used to connect to the power supply;

[0007] A load spoofing device, which is electrically connected to the relay switcher, and the load spoofing device is used to identify the charging protocol of the power supply and provide voltage to the relay switcher;

[0008] An upper computer, which is electrically connected to the relay switcher and the load spoofing device respectively, and the upper computer is used to control the output voltage of the load spoofing device and detect the output power of the power supply.

[0009] Preferably, the relay switcher includes:

[0010] A switching circuit board, on which a detection circuit is provided;

[0011] A power supply interface, which is arranged on the switching circuit board, the power supply interface is electrically connected to the output end of the detection circuit, the input end of the detection circuit is electrically connected to the load spoofing device, and the power supply interface is used to connect to the power supply.

[0012] Preferably, the relay switcher further includes an interface switching module, there are multiple power supply interfaces, each power supply interface is respectively electrically connected to an output end of the detection circuit, the interface switching module is arranged at the input end of the detection circuit, and the interface switching module is used to control the connection or disconnection of each power supply interface.

[0013] Preferably, a signal transmission channel and a power transmission channel are provided on the power interface. The detection circuit includes a signal transmission circuit and a power transmission circuit. The signal transmission channel is electrically connected to the signal transmission circuit, and the power transmission channel is electrically connected to the power transmission circuit.

[0014] Preferably, the load luring device includes:

[0015] A protocol luring module in which a variety of charging protocols are pre-stored. The protocol luring module is used to send an identification signal to the power supply and analyze the confirmation signal sent by the power supply;

[0016] A current detection module electrically connected to the detection circuit. The current detection module is used to detect the current value in the detection circuit;

[0017] A voltage detection module electrically connected to the detection circuit. The current detection module is used to detect the voltage value in the detection circuit;

[0018] The protocol luring module, the current detection module, and the voltage detection module are all electrically connected to the host computer.

[0019] Preferably, the protocol luring module includes:

[0020] A protocol verification unit used to identify the signal information required for various protocols and the signal information fed back by the power supply;

[0021] A signal sending unit electrically connected to the detection circuit and the protocol verification unit. The signal sending unit is used to send a corresponding identification signal according to the instruction of the protocol verification unit;

[0022] A signal receiving unit electrically connected to the detection circuit and the protocol verification unit. The signal receiving unit is used to receive the feedback signal sent by the power supply.

[0023] Preferably, the protocol verification unit includes:

[0024] A protocol storage sub-unit used to store the confirmation methods of various charging protocols. The protocol storage sub-unit is electrically connected to the host computer;

[0025] A comparison sub-unit electrically connected to the protocol storage sub-unit, the signal receiving unit, and the host computer. The comparison sub-unit is used to compare the feedback signal pre-stored in the protocol storage sub-unit with the feedback signal received by the signal receiving unit.

[0026] Preferably, the host computer includes:

[0027] A power calculation module, which is electrically connected to the current detection module and the voltage detection module, and is used to calculate the power output by the power supply;

[0028] An interface control module, which is electrically connected to the interface switching module and is used to control the interface switching module;

[0029] A display module, to which the power calculation module, the protocol spoofing module and the interface control module are all electrically connected, and the display module is used to display the protocol type, current information, voltage information and power information of the charging interface.

[0030] The present application provides a power supply test device, which has the following beneficial effects:

[0031] (1) For this power supply test device, by setting a load spoofing device integrated with various charging protocols, it is possible to match the power supplies produced by different manufacturers in terms of charging protocols, thereby realizing the identification of multiple different brand power supplies.

[0032] (2) For this power supply test device, by setting a relay switcher, it is possible to connect multiple power supplies to be tested through the relay switcher at one time, and the host computer can switch the power supply being tested through the relay switcher, thereby realizing seamless connection testing of the power supply. Description of the Drawings

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0034] Figure 1 It is the overall connection block diagram of the embodiment of the present application.

[0035] Figure 2 It is the structure block diagram of the protocol spoofing module of the embodiment of the present application. Detailed Embodiments

[0036] In order to make the application purpose, features and advantages of the present application more obvious and understandable, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some embodiments of the present application, rather than all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0038] The technical solution of the present application will be further described below with reference to the drawings and through specific embodiments.

[0039] Please refer to Figure 1 , the present application provides a technical solution: a power supply test device, including a relay switcher, a load inducer, and a host computer.

[0040] The relay switcher is used to connect to the power supply. The relay switcher includes a switching circuit board, a power interface, and an interface switching module. A detection circuit is provided on the switching circuit board, and a signal transmission channel and a power transmission channel are provided on the power interface. The detection circuit includes a signal transmission circuit and a power transmission circuit. The signal transmission channel is electrically connected to the signal transmission circuit, and the power transmission channel is electrically connected to the power transmission circuit. The power interface is arranged on the switching circuit board and is electrically connected to the output end of the detection circuit. The input end of the detection circuit is electrically connected to the load inducer. The power interface is used to connect to the power supply. A plurality of power interfaces are provided, and each power interface is respectively electrically connected to an output end of the detection circuit. The interface switching module is arranged at the input end of the detection circuit and is used to control the connection or disconnection of each power interface.

[0041] The load inducer is electrically connected to the relay switcher. The load inducer is used to identify the charging protocol of the power supply and provide voltage to the relay switcher. The load inducer includes a protocol induction module, a current detection module, and a voltage detection module. A variety of charging protocols are pre-stored in the protocol induction module, and the protocol induction module is used to send an identification signal to the power supply and analyze the confirmation signal sent by the power supply. The current detection module is electrically connected to the detection circuit and is used to detect the current value in the detection circuit. The voltage detection module is electrically connected to the detection circuit and is used to detect the voltage value in the detection circuit. The protocol induction module, the current detection module, and the voltage detection module are all electrically connected to the host computer.

[0042] The protocol spoofing module includes a protocol verification unit, a signal sending unit, and a signal receiving unit. The protocol verification unit is used to identify the signal information required for various protocols and the signal information of power feedback. The signal sending unit is electrically connected to the detection circuit and the protocol verification unit. The signal sending unit is used to send corresponding identification signals according to the instructions of the protocol verification unit. The signal receiving unit is electrically connected to the detection circuit and the protocol verification unit. The signal receiving unit is used to receive the feedback signal sent by the power supply.

[0043] The protocol verification unit includes a protocol storage subunit and a comparison subunit. The protocol storage subunit is used to store the confirmation methods of various charging protocols. The protocol storage subunit is electrically connected to the host computer. The comparison subunit is electrically connected to the protocol storage subunit, the signal receiving unit, and the host computer. The comparison subunit is used to compare the pre-stored feedback signal in the protocol storage subunit with the feedback signal received by the signal receiving unit.

[0044] The host computer includes a power calculation module, an interface control module, and a display module. The power calculation module is electrically connected to the current detection module and the voltage detection module. The power calculation module is used to calculate the power output of the power supply. The interface control module is electrically connected to the interface switching module. The interface control module is used to control the interface switching module. The power calculation module, the protocol spoofing module, and the interface control module are all electrically connected to the display module. The display module is used to display the protocol type, current information, voltage information, and power information of the charging interface.

[0045] In summary, for this power supply testing device, by setting a load spoofing device integrated with various charging protocols, it is possible to match the power supplies produced by different manufacturers in terms of charging protocols, thereby realizing the identification of multiple different brand power supplies. By setting a relay switcher, it is possible to connect multiple power supplies to be tested at one time through the relay switcher, and the host computer can switch the power supply being tested through the relay switcher, thereby realizing the seamless connection test of the power supply.

[0046] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising", or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article, or device.

[0047] Although embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

[0048] As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present application and are not intended to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A power supply testing device, characterized in that, Comprising: A relay switcher, which is used to connect to a power supply; A load trickery device, which is electrically connected to the relay switcher, and is used to identify the charging protocol of the power supply and provide a voltage to the relay switcher; A host computer, which is electrically connected to the relay switcher and the load trickery device respectively, and is used to control the output voltage of the load trickery device and detect the output power of the power supply.

2. A power supply testing device according to claim 1, characterized in that The relay switcher includes: A switching circuit board, on which a detection circuit is provided; A power interface, which is arranged on the switching circuit board, and is electrically connected to the output end of the detection circuit. The input end of the detection circuit is electrically connected to the load trickery device, and the power interface is used to connect to a power supply.

3. The power supply testing device according to claim 2, wherein The relay switcher further includes an interface switching module. There are multiple power interfaces, and each power interface is respectively electrically connected to an output end of the detection circuit. The interface switching module is arranged at the input end of the detection circuit, and is used to control the connection or disconnection of each power interface.

4. The power supply testing device according to claim 3, characterized in that A signal transmission channel and a power quantity transmission channel are arranged on the power interface. The detection circuit includes a signal transmission circuit and a power quantity transmission circuit. The signal transmission channel is electrically connected to the signal transmission circuit, and the power quantity transmission channel is electrically connected to the power quantity transmission circuit.

5. The power supply testing device according to claim 3, characterized in that, The load trickery device includes: A protocol trickery module, in which multiple charging protocols are pre-stored, and the protocol trickery module is used to send an identification signal to the power supply and analyze the confirmation signal sent by the power supply; A current detection module, which is electrically connected to the detection circuit, and is used to detect the current value in the detection circuit; A voltage detection module, which is electrically connected to the detection circuit, and the current detection module is used to detect the voltage value in the detection circuit; The protocol trickery module, the current detection module and the voltage detection module are all electrically connected to the host computer.

6. A power supply testing device according to claim 5, characterized in that, The protocol trickery module includes: A protocol verification unit, which is used to identify the signal information required by the protocol and the signal information fed back by the power supply; A signal sending unit, which is electrically connected to the detection circuit and the protocol verification unit, and is used to send a corresponding identification signal according to the instruction of the protocol verification unit; A signal receiving unit, which is electrically connected to the detection circuit and the protocol verification unit, and is used to receive the feedback signal sent by the power supply.

7. A power supply testing device according to claim 6, characterized in that, The protocol verification unit includes: A protocol storage sub-unit, which is used to store the confirmation method of the charging protocol, and the protocol storage sub-unit is electrically connected to the host computer; A comparison sub-unit, which is electrically connected to the protocol storage sub-unit, the signal receiving unit and the host computer, and is used to compare the feedback signal pre-stored in the protocol storage sub-unit with the feedback signal received by the signal receiving unit.

8. A power supply testing device according to claim 5, characterized in that, The host computer includes: A power calculation module, the power calculation module is electrically connected to the current detection module and the voltage detection module, and the power calculation module is used to calculate the power output by the power supply; An interface control module, the interface control module is electrically connected to the interface switching module, and the interface control module is used to control the interface switching module; A display module, the power calculation module, the protocol spoofing module and the interface control module are all electrically connected to the display module, and the display module is used to display the protocol type, current information, voltage information and power information of the charging interface.

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