Charger test equipment

Abstract

The utility model discloses charger test equipment, which comprises an auxiliary power supply module, a switch controller module, a control module, a plurality of test load modules and a plurality of test panels, the output end of the auxiliary power supply module is electrically connected with the switch controller module; the output end of the switch controller module is electrically connected with the control signal input end of the control module; the output ends of the plurality of test load modules are electrically connected with the parameter acquisition input end of the control module; the output ends of the plurality of test panels are electrically connected with the input ends of the plurality of test load modules in a one-to-one correspondence manner; in conclusion, according to the utility model, the plurality of test panels are arranged, corresponding interfaces can be selected according to the models of the power supply interfaces when the power supply is subjected to factory test, the power supply interfaces are connected to the test load, and the output signals of the charger are detected, and the plurality of detachable connectors are arranged on the test panels. And corresponding selection can be performed according to the requirements of chargers.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging equipment technical field, concretely relates to a charger test equipment. BACKGROUND

[0002] In prior art, electronic equipment needs to go through many test steps in the process of leaving factory, and each test step needs to use specific interface for testing.

[0003] Most of the existing market equipment test benches only support fixed interface docking, so when testing electronic equipment, corresponding test equipment needs to be selected according to actual needs to connect and test electronic equipment, which is complicated and inefficient, and is not conducive to standardization of equipment test steps. UTILITY MODEL CONTENT

[0004] The utility model discloses a charger test equipment, solve the problem that the existing test equipment has complicated test steps and is not conducive to standardization of test steps.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A charger test equipment, comprising: an auxiliary power module for electrically connecting with a first AC power end and converting AC signal into DC signal, a switch controller module, a control module for responding to the control signal of the switch controller module and corresponding conduction or turn-off, a plurality of test load modules for connecting the charger to collect the parameters of the charger and a plurality of test panels for connecting with the charger, the output end of the auxiliary power module is electrically connected with the switch controller module, the output end of the switch controller module is electrically connected with the control signal input end of the control module, the output end of a plurality of test load modules is electrically connected with the parameter collection input end of the control module, and the output end of a plurality of test panels is respectively and one-to-one electrically connected with the input end of a plurality of test load modules.

[0007] Optionally, the auxiliary power module specifically comprises: an EMC unit for realizing electrical isolation, a rectifier bridge unit for converting AC signal into DC signal and a transformer unit for converting DC signal into predetermined voltage, the input end of the EMC unit is electrically connected with the first AC power end, the input end of the rectifier bridge unit is electrically connected with the output end of the EMC unit, the input end of the transformer unit is electrically connected with the output end of the rectifier bridge unit, and the output end of the transformer unit is electrically connected with the VCC voltage end.

[0008] Optionally, the auxiliary power module further comprises: a feedback unit and an isolation optocoupler; the input end of the feedback unit is electrically connected with the VCC voltage end; the output end of the feedback unit is electrically connected with the control end of the isolation optocoupler; and the feedback signal input end of the transformer unit is grounded through the controlled end of the isolation optocoupler.

[0009] Optionally, the switch controller module comprises: a first switch and a second switch; the first control signal input end of the control module is electrically connected with the VCC voltage end through the first switch; and the second control signal input end of the control module is electrically connected with the VCC voltage end through the second switch.

[0010] Optionally, the switch controller module further comprises: a relay unit for shutting off the second AC power end connected with the charger according to the off signal output by the control module; the signal input end of the relay unit is electrically connected with the control module; the live wire of the second AC power end is electrically connected with the zero line of the second AC power end through the controlled end of the relay unit and the socket for connecting with the charger in sequence.

[0011] Optionally, the test panel comprises: an XT60 connector, a lotus connector, a single-pole red and black connector, a DC2.1 connector, a G16 three-core aviation connector, a G20 three-core aviation connector, a positive terminal post, a negative terminal post, a canon connector, a pin connector and a 50A gray Anderson connector; the XT60 connector, the lotus connector, the single-pole red and black connector, the DC2.1 connector, the G16 three-core aviation connector, the G20 three-core aviation connector, the positive terminal post, the negative terminal post, the canon connector, the pin connector and the 50A gray Anderson connector are all electrically connected with the test load module.

[0012] Optionally, the test panel further comprises: a fixing support; the XT60 connector, the lotus connector, the single-pole red and black connector, the DC2.1 connector, the G16 three-core aviation connector, the G20 three-core aviation connector, the positive terminal post, the negative terminal post, the canon connector, the pin connector and the 50A gray Anderson connector are all detachably connected with the fixing support.

[0013] Optionally, the charger test equipment specifically comprises: four test load modules for connecting with the charger to collect parameters of the charger and four test panels for connecting with the charger; the output ends of the four test load modules are electrically connected with the parameter collection input end of the control module; and the output ends of the four test panels are respectively and correspondingly electrically connected with the input ends of the multiple test load modules.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model provides a charger test equipment, include: for with first ac power end electricity connection and with the auxiliary power module of alternating current signal conversion direct current signal, switch controller module, for the control module of the control signal of response to the switch controller module is corresponding on or off, a plurality of test load module for connecting charger to gather the parameter of charger and a plurality of test panel for with the connection of charger, the output of auxiliary power module with switch controller module electricity connection, the output of switch controller module with the control signal input of control module electricity connection, a plurality of test load module's output with the parameter collection input of control module electricity connection, a plurality of test panel's output respectively with a plurality of test load module's input one to one corresponding electricity connection, above all, the utility model discloses a plurality of test panels are set up, can when power factory test according to the model selection corresponding interface of power interface, connect to test load, detect the output signal of charger, a plurality of detachable connectors are provided on the test panel, and the corresponding selection can be carried out according to the needs of charger. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0017] Figure 1 It is the circuit schematic diagram of the auxiliary power module of the utility model,

[0018] Figure 2 It is the circuit schematic diagram of the switch controller module of the utility model,

[0019] Figure 3 It is the circuit schematic diagram of the control module of the utility model,

[0020] Figure 4 It is the circuit schematic diagram of the test panel of the utility model,

[0021] In the drawing, 1, EMC unit;2, rectifier bridge unit;3, voltage transformation unit;4, feedback unit;5, relay unit. DETAILED DESCRIPTION

[0022] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances. The terms "first", "second" are only for the purpose of description, and can not be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0023] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances. The terms "first", "second" are only for the purpose of description, and can not be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Embodiment one

[0025] As Figures 1-4The charger test device shown comprises: an auxiliary power supply module for electrical connection with a first AC power supply end and conversion of an AC signal into a DC signal, a switch controller module, a control module for corresponding turn-on or turn-off in response to a control signal of the switch controller module, a plurality of test load modules for connecting chargers to collect parameters of the chargers, and a plurality of test panels for connecting with the chargers; the output end of the auxiliary power supply module is electrically connected with the switch controller module; the output end of the switch controller module is electrically connected with the control signal input end of the control module; the output ends of the plurality of test load modules are electrically connected with the parameter collection input end of the control module; the output ends of the plurality of test panels are respectively and correspondingly electrically connected with the input ends of the plurality of test load modules.

[0026] In summary, the charger test device provided by the application can adapt to the test requirements of different chargers by setting a plurality of test panels and interfaces. Each test panel is equipped with a plurality of connectors, so that different types of chargers can be connected through corresponding interfaces, improving the universality and compatibility of the test. This design not only reduces the type requirements of the test device, but also simplifies the test process and improves the efficiency. The charger test device adopts a modular design, has a clear structure and separated functions, and is conducive to the automatic management of parameter collection and test process of the charger. Through the modular design, the device can adapt to the diversified test requirements of different chargers, and has strong flexibility and expandability.

[0027] Optionally, the auxiliary power supply module specifically comprises: an EMC unit 1 for realizing electrical isolation, a rectifier bridge unit 2 for converting an AC signal into a DC signal, and a voltage transformation unit 3 for converting the DC signal into a predetermined voltage; the input end of the EMC unit 1 is electrically connected with the first AC power supply end; the input end of the rectifier bridge unit 2 is electrically connected with the output end of the EMC unit 1; the input end of the voltage transformation unit 3 is electrically connected with the output end of the rectifier bridge unit 2; and the output end of the voltage transformation unit 3 is electrically connected with a VCC voltage end.

[0028] Specifically, in the auxiliary power supply module, the EMC unit is used to realize electrical isolation and improve the electromagnetic compatibility of the system; the rectifier bridge unit 2 converts AC into DC to ensure that a stable power supply is provided for the control system. The voltage transformation unit 3 converts the DC into a predetermined voltage to meet the voltage requirements of different load modules and control modules. Moreover, the AC power supply end connected with the auxiliary power supply is not the same as the AC power supply end connected with the charger, so that the auxiliary power supply module can continue to work in the case of cutting off the circuit of the charger.

[0029] Optionally, the auxiliary power module further comprises: a feedback unit 4 and an isolation optocoupler U2; the input end of the feedback unit 4 is electrically connected with the VCC voltage end; the output end of the feedback unit 4 is electrically connected with the control end of the isolation optocoupler U2; the feedback signal input end of the voltage transformation unit 3 is connected with the ground through the controlled end of the isolation optocoupler U2.

[0030] Specifically, through the feedback unit 4 and the isolation optocoupler U2, more accurate power control can be realized. The use of the isolation optocoupler U2 can effectively avoid the electrical interference between high-voltage and low-voltage circuits, ensuring the stability and safety of the system operation. At the same time, through the feedback signal, effective adjustment and control of the power output can be realized, improving the accuracy of the test.

[0031] Optionally, the switch controller module comprises: a first switch and a second switch; the first control signal input end of the control module is electrically connected with the VCC voltage end through the first switch; the second control signal input end of the control module is electrically connected with the VCC voltage end through the second switch.

[0032] In actual use, pressing the first switch can provide an electrical signal to the AC_OFF pin of the control module, so that the control module outputs a turn-off signal at the Output_Ctr pin to turn off the second AC power end connected with the charger; pressing the first switch can provide an electrical signal to the AC_ON pin of the control module, so that the control module outputs a turn-on signal at the Output_Ctr pin to turn on the second AC power end connected with the charger.

[0033] Optionally, the switch controller module further comprises: a relay unit 5 for turning off the second AC power end connected with the charger according to the turn-off signal output by the control module; the signal input end of the relay unit 5 is electrically connected with the control module; the live wire of the second AC power end is electrically connected with the zero line of the second AC power end through the controlled end of the relay unit 5 and the socket for connecting with the charger in sequence.

[0034] As shown in Figure 2 When the triode Q2 in the relay unit 5 accepts a high level, it is turned on; after being turned on, the level of the collector of the triode Q2 decreases, the voltage difference between the fourth pin and the fifth pin of the relay RLY1 increases, the relay works, and the controlled end of the relay, that is, the lower switch, is adjusted to be turned on, and then the connection plug of the charger can supply power to the charger.

[0035] Optionally, the test panel comprises: an XT60 connector, a lotus connector, a single pole red and black connector, a DC2.1 connector, a G16 three-core aviation connector, a G20 three-core aviation connector, a positive terminal post, a negative terminal post, a canon connector, a pin connector, and a 50A gray Anderson connector; the XT60 connector, the lotus connector, the single pole red and black connector, the DC2.1 connector, the G16 three-core aviation connector, the G20 three-core aviation connector, the positive terminal post, the negative terminal post, the canon connector, the pin connector, and the 50A gray Anderson connector are electrically connected with the test load module.

[0036] The charger is a device for converting an alternating current signal into a required direct current signal, and therefore, in order to test the charging capacity of the charger, the charger needs to be connected with the test load. In order to improve the application range of the test load, the test panel is arranged between the connector of the test load and the charger. The test panel can adjust the interface of the connector arranged thereon as required, and transmit the direct current signal output by the charger to the test load for detection. The test load can test the received charging signal and transmit the test result to the general control of the control module.

[0037] In the present application, the control module comprises a control chip, which can be a single-chip microcomputer, MCU, or other devices capable of executing a pre-burned software test program. The test signals are transmitted to the MCU module for recording and analysis, and automatic judgment can be performed.

[0038] Optionally, the test panel further comprises a fixing support, and the XT60 connector, the lotus connector, the single pole red and black connector, the DC2.1 connector, the G16 three-core aviation connector, the G20 three-core aviation connector, the positive terminal post, the negative terminal post, the canon connector, the pin connector, and the 50A gray Anderson connector are detachably connected with the fixing support.

[0039] In the present application, each connector is detachably connected with the fixing support, which can realize adaptive adjustment of the connector and improve convenience.

[0040] Optionally, the charger test device specifically comprises: four test load modules for connecting the charger to collect parameters of the charger, and four test panels for connecting the charger; the output ends of the four test load modules are electrically connected with the parameter collection input end of the control module, and the output ends of the four test panels are respectively and correspondingly electrically connected with the input ends of the plurality of test load modules.

[0041] In the present application, four test panels and four test loads are arranged at the same time, which can simultaneously test multiple chargers, improve the parallelism and efficiency of the device, and are particularly suitable for large-scale charger test application scenarios.

[0042] The utility model is not limited to the above embodiment, if various changes or variations of the utility model do not deviate from the spirit and scope of the utility model, if these changes and variations belong to the right claim and equivalent technical scope of the utility model, the utility model also intends to include these changes and variations.

Claims

1. A charger testing device, characterized in that, include: An auxiliary power supply module for electrically connecting to the first AC power supply terminal and converting AC signals into DC signals, a switch controller module, a control module for turning on or off in response to control signals from the switch controller module, multiple test load modules for connecting to the charger to collect parameters of the charger, and multiple test panels for connecting to the charger. The output terminal of the auxiliary power supply module is electrically connected to the switch controller module; The output terminal of the switch controller module is electrically connected to the control signal input terminal of the control module; The output terminals of the multiple test load modules are electrically connected to the parameter acquisition input terminal of the control module; The output terminals of the multiple test panels are electrically connected to the input terminals of the multiple test load modules one by one.

2. The charger testing device according to claim 1, characterized in that, The auxiliary power module specifically includes: an EMC unit for achieving electrical isolation, a rectifier bridge unit for converting AC signals to DC signals, and a transformer unit for converting DC signals to a predetermined voltage. The input terminal of the EMC unit is electrically connected to the first AC power supply terminal; The input terminal of the rectifier bridge unit is electrically connected to the output terminal of the EMC unit; The input terminal of the transformer unit is electrically connected to the output terminal of the rectifier bridge unit; The output terminal of the transformer unit is electrically connected to the VCC voltage terminal.

3. The charger testing device according to claim 2, characterized in that, The auxiliary power module also includes: a feedback unit and an isolation optocoupler; The input terminal of the feedback unit is electrically connected to the VCC voltage terminal; The output terminal of the feedback unit is electrically connected to the control terminal of the isolation optocoupler. The feedback signal input terminal of the transformer unit is grounded after passing through the controlled terminal of the isolation optocoupler.

4. The charger testing device according to claim 1, characterized in that, The switch controller module includes: a first switch and a second switch; The first control signal input terminal of the control module is electrically connected to the VCC voltage terminal after passing through the first switch. The second control signal input terminal of the control module is electrically connected to the VCC voltage terminal via the second switch.

5. A charger testing device according to claim 4, characterized in that, The switch controller module also includes: A relay unit for shutting off the second AC power supply terminal connected to the charger according to the shutdown signal output by the control module; The signal input terminal of the relay unit is electrically connected to the control module; The live wire of the second AC power supply terminal is connected to the neutral wire of the second AC power supply terminal after passing through the controlled terminal of the relay unit and the socket for connecting to the charger.

6. The charger testing device according to claim 1, characterized in that, The test panel includes: XT60 connector, RCA connector, single-pole red and black connector, DC2.1 connector, G16 three-core aviation connector, G20 three-core aviation connector, positive terminal, negative terminal, XLR connector, male connector, and 50A gray Anderson connector; The XT60 connector, RCA connector, single-pole red and black connector, DC2.1 connector, G16 three-core aviation connector, G20 three-core aviation connector, positive terminal, negative terminal, XLR connector, male connector, and 50A gray Anderson connector are all electrically connected to the test load module.

7. A charger testing device according to claim 6, characterized in that, The test panel also includes: a fixing bracket; The XT60 connector, RCA connector, single-pole red and black connector, DC2.1 connector, G16 three-core aviation connector, G20 three-core aviation connector, positive terminal, negative terminal, XLR connector, male connector, and 50A gray Anderson connector are all detachably connected to the mounting bracket.

8. A charger testing device according to claim 7, characterized in that, The charger testing equipment specifically includes: four test load modules for connecting to the charger to collect the charger's parameters, and four test panels for connecting to the charger. The output terminals of the four test load modules are electrically connected to the parameter acquisition input terminal of the control module; The output terminals of the four test panels are electrically connected to the input terminals of the multiple test load modules, one by one.

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