CN215493977U - Power supply testing instrument and system - Google Patents
Power supply testing instrument and system Download PDFInfo
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- CN215493977U CN215493977U CN202121948710.9U CN202121948710U CN215493977U CN 215493977 U CN215493977 U CN 215493977U CN 202121948710 U CN202121948710 U CN 202121948710U CN 215493977 U CN215493977 U CN 215493977U
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Abstract
The utility model relates to the field of electronic instruments, in particular to a power supply testing instrument and system. The power supply test instrument comprises a device shell, an electronic load, a mainboard, a power supply control module, a direct-current power supply, a small discharge plate, a signal interface, a test communication interface and a power supply input interface; the main board is connected with the small discharge plate, the electronic load, the power supply control module and the test communication interface respectively, and the direct-current power supply is connected with the main board and the electronic load respectively; the power input interface is respectively connected with the direct current power supply and the power control module, and the electronic load, the power control module and the discharge platelet are also connected with the signal interface; the main board is connected with an upper computer through a test communication interface; the power supply input interface is used for inputting alternating current to the direct current power supply and the power supply control module so that the direct current power supply supplies power for the mainboard and the electronic load; the mainboard is used for receiving the test signal input through the signal interface, and processing the test signal to obtain a test result, and outputting the test result to the upper computer.
Description
Technical Field
The utility model relates to the field of electronic instruments, in particular to a power supply testing instrument and system.
Background
The power supply test system of the TV board card mainly comprises an ATS8 test instrument, an electronic load, a test frame and other instruments and an upper computer, wherein test software is arranged in the upper computer. Before testing, the connection among an ATS8 testing instrument, a testing frame and an upper computer needs to be completed, a TV board card to be tested is placed into the testing frame, testing contents of the TV board card are edited in testing software of the upper computer, the testing frame is pressed down, and the TV board card can be automatically tested by the ATS8 testing instrument, an electronic load and other instruments. And after the test is finished, lifting the test frame, and finishing the test. The power supply test system can complete voltage test, impedance test, power test, load test and the like of the TV board card.
The existing power supply test system comprises a plurality of test instruments, the wiring among the test instruments is complex, the test cost is high, and the occupied space of the test instruments is large.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcome at least one of the above-mentioned drawbacks (i.e., deficiencies) of the prior art, and to provide a power supply testing apparatus and system, which integrate a plurality of testing apparatuses into one power supply testing apparatus, so as to facilitate testing of a board under test.
The technical scheme adopted by the first aspect of the utility model is as follows:
the power supply test instrument comprises a device shell, an electronic load, a mainboard, a power supply control module, a direct-current power supply, a discharge platelet, a signal interface, a test communication interface and a power supply input interface;
the electronic load, the mainboard, the power control module, the direct-current power supply and the discharge platelet are arranged in the device shell, and the signal interface, the test communication interface and the power input interface are arranged on the surface of the device shell;
the main board is connected with the small discharge plate, the electronic load, the power supply control module and the test communication interface respectively, and the direct current power supply is connected with the main board and the electronic load respectively;
the power input interface is respectively connected with the direct-current power supply and the power control module, and the electronic load, the power control module and the small discharge plate are also connected with the signal interface;
the main board is connected with an upper computer through the test communication interface;
the power supply input interface is used for inputting alternating current to the direct current power supply and the power supply control module so that the direct current power supply supplies power to the mainboard and the electronic load;
the mainboard is used for receiving the test signal input by the signal interface, processing the test signal to obtain a test result, and outputting the test result to the upper computer.
Further, still include: expanding the platelet;
the expansion small plate is arranged inside the device shell and connected with the main board;
the surface of the device shell is also provided with an expansion interface which is connected with the expansion small plate.
Further, the expansion interface comprises at least one expansion platelet communication interface, at least one test control interface and at least one input/output interface;
the expansion small plate communication interface, the test control interface and the input/output interface are all connected with the expansion small plate.
Further, the signal interface includes: the power supply comprises an electronic load interface, a power supply control module interface and a discharge platelet interface;
the electronic load interface is connected with the electronic load, the power supply control module interface is connected with the power supply control module, and the discharge platelet interface is connected with the discharge platelet.
Furthermore, the electronic loads comprise at least two, the power supply control module comprises at least one, the signal interfaces comprise at least two groups, and the expansion interfaces comprise at least two groups;
all the electronic loads and all the power supply control modules are connected with the mainboard;
one of said electronic loads being connected to a set of said signal interfaces;
one of the power control modules is connected with one of the signal interfaces;
the small discharge plate is connected with the signal interface;
the expansion platelet is connected with all the expansion interfaces.
Furthermore, the surface of the device shell is also provided with an expansion communication interface, and the expansion communication interface is connected with the expansion small plate.
Furthermore, at least one indicator light is further installed on the surface of the device shell, and the indicator light is connected with the main board, so that the main board controls the indicator light to emit light.
Further, the device shell interior also includes: at least one heat sink;
each heat dissipation device is connected with the direct current power supply and used for dissipating heat of the power supply testing instrument.
Further, the test communication interface is an RJ45 interface.
The second aspect of the utility model adopts the technical scheme that:
the power supply test system comprises the power supply test instrument, a board card to be tested and an upper computer;
the power supply test instrument is respectively connected with the board card to be tested and the upper computer;
the board card to be tested sends a test signal to the power supply test instrument so that the power supply test instrument tests the board card to be tested to obtain a test result, and the test result is sent to the upper computer.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the power supply testing instrument integrates a plurality of devices such as a main board, an electronic load, a discharging small plate, an expanding small plate, a power supply control module and the like, improves a universal interface, reduces the complexity of testing wiring, reduces the cost and reduces the occupied space of the testing instrument on the basis of meeting the existing testing requirements.
(2) The power supply test instrument can complete various tests on the board card to be tested, such as power supply control, voltage test, impedance test, power test, PWM (pulse width modulation) setting, 12V short circuit test, capacitance discharge, pin control, 12V load/control test, load test, red light test and the like.
(3) The power supply test instrument of the utility model reserves an expansion interface, and a user can select other test instruments according to test requirements and connect the other test instruments to the expansion interface of the power supply test instrument through cables, so that the other test instruments and the power supply test instrument together complete the test of the board card to be tested.
Drawings
Fig. 1 is an internal structural view of a power supply test instrument of the present invention.
Fig. 2 is a rear view of the power supply test apparatus of the present invention.
FIG. 3 is a front view of the power supply testing apparatus of the present invention.
FIG. 4 is a schematic diagram of the device connections of the power tester of the present invention.
FIG. 5 is a schematic circuit diagram of the power tester of the present invention.
Description of the specific figures: the device comprises a device shell 1, an electronic load 2, a mainboard 3, a power control module 4, a direct current power supply 5, a small discharge plate 6, an electronic load interface 71, a power control module interface 72, a small discharge plate interface 73, a test communication interface 8, a power input interface 9, an expansion small plate 10, an expansion small plate communication interface 111, a test control interface 112, an input/output interface 113, an expansion communication interface 12, an indicator light 13 and a heat dissipation device 14.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, fig. 2, and fig. 3, the present embodiment provides a power supply testing apparatus, which includes a device housing 1, an electronic load 2, a motherboard 3, a power supply control module 4, a dc power supply 5, a small discharge plate 6, a signal interface, a testing communication interface 8, and a power supply input interface 9;
the electronic load 2, the mainboard 3, the power control module 4, the direct-current power supply 5 and the discharge platelet 6 are arranged in the device shell 1, and the signal interface, the test communication interface 8 and the power input interface 9 are arranged on the surface of the device shell 1;
as shown in fig. 4 and 5, the main board 3 is connected to the small discharge plate 6, the electronic load 2, the power control module 4, and the test communication interface 8, and the dc power supply 5 is connected to the main board 3 and the electronic load 2;
the power input interface 9 is respectively connected with the direct-current power supply 5 and the power control module 4, and the electronic load 2, the power control module 4 and the discharge platelet 6 are also connected with the signal interface;
the mainboard 3 is connected with an upper computer through a test communication interface 8;
the power input interface 9 is used for inputting alternating current to the direct current power supply 5 and the power control module 4 so that the direct current power supply 5 supplies power to the mainboard 3 and the electronic load 2;
the mainboard 3 is used for receiving the test signal input through the signal interface, and processing the test signal to obtain the test result, and the test result is output to the host computer.
The power input interface 9 is used for accessing 220V alternating current to the power test instrument, and the direct current power supply 5 receives the alternating current input from the power input interface 9 and inputs 12V direct current to the motherboard 3 and the electronic load 2, so that the motherboard 3 and the electronic load 2 can work normally.
The power control module 4 is connected to the power input interface 9 and the signal interface, respectively, and the 220V current input from the power input interface 9 can be output from the signal interface, and the power control module 4 connected to the signal interface can control the output of the 220V current.
It is understood that the signal interface in the present embodiment may be a set of interfaces including a plurality of different interfaces. At this time, the electronic load 2, the power control module 4, and the small discharge plate 6 are further connected to a signal interface, specifically: one of the signal interfaces is connected with the electronic load 2, the other interface is connected with the power control module 4, and the other interface is connected with the discharge platelet 6.
Preferably, in this embodiment, the board to be tested is connected to the signal interface of the power supply testing instrument of this embodiment through a wire or a cable, and the upper computer is connected to the testing communication interface 8 of the power supply testing instrument of this embodiment through a network cable or a cable, so that the board to be tested sends the testing signal to the power supply testing instrument through the signal interface, and the main board 3, the electronic load 2 and other devices of the power supply testing instrument process the testing signal and send the processed testing result to the upper computer through the testing communication interface 8.
In this embodiment, the test communication interface 8 is preferably a network interface, and may be an RJ45 interface. The power input interface 9 may be a three-in-one pin socket. The power input interface 9 of the three-in-one PIN socket comprises a fuse, a switch and the like.
The present embodiment preferably has four channels, supporting CC, CV, CR, LED modes, for the electronic load 2.
Preferably, the power supply test instrument of this embodiment may complete various tests on the board to be tested, for example, power supply control, voltage test, impedance test, power test, PWM setting, 12V short circuit test, capacitor discharge, pin control, 12V pull load/control test, load test, red light test, and the like.
The board card to be tested can be a TV board card and the like.
In the embodiment, a plurality of devices such as the main board 3, the electronic load 2 and the discharge platelet 6 are integrated in the power supply testing instrument of the embodiment, so that the complexity of testing wiring is reduced, the cost is reduced, and the occupied space of the testing instrument is reduced on the basis of meeting the existing testing requirements.
Further, still include: an expanded platelet 10;
the small expansion plate 10 is arranged inside the device shell 1 and connected with the main board 3;
the surface of the device shell 1 is also provided with an expansion interface which is connected with an expansion platelet 10.
Preferably, the user may select another testing apparatus according to the testing requirement, and connect the other testing apparatus with the power testing apparatus of this embodiment. Specifically, other test instruments may be connected to the expansion interface of the power supply test instrument through cables, and at this time, the other test instruments are combined with the power supply test instrument of this embodiment to jointly complete the test of the board card to be tested.
Preferably, the power supply test instrument of this embodiment can complete the initial test of the TV board, the power supply test instrument of this embodiment and the high-voltage instrument combination can complete the retest of the TV board together, and the power supply test instrument of this embodiment and the ATE instrument combination can complete the final test of the TV board together.
Further, the expansion interface includes at least one expansion platelet 10 communication interface 111, at least one test control interface 112, and at least one input/output interface 113;
the expansion platelet 10 communication interface 111, the test control interface 112 and the input/output interface 113 are all connected to the expansion platelet 10.
Preferably, the expansion platelet 10 communication interface 111 may be an RS232 interface, the test control interface 112 may be a 20P through-wall terminal, and the input/output interface 113(IO interface) may be a 14P through-wall terminal.
Other test instruments may be connected to the expansion board 10 communication interface 111 and/or the test control interface 112 and/or the input/output interface 113 of the power test instrument of this embodiment by cables.
Further, the signal interface includes: an electronic load 2 interface 71, a power control module 4 interface 72 and a small discharge plate 6 interface 73;
the electronic load 2 interface 71 is connected with the electronic load 2, the power control module 4 interface 72 is connected with the power control module 4, and the small discharge plate 6 interface 73 is connected with the small discharge plate 6.
Preferably, the interface 71 of the electronic load 2 may be a banana jack, the interface 72 of the power control module 4 may be a triangular jack, and the interface 73 of the small discharge plate 6 may be a banana jack.
Preferably, in this embodiment, when the electronic load 2 is a four-channel interface, the electronic load 2 interface 71 is four channels.
The small discharge plate 6 of the present embodiment is provided with a discharge capacitor and a discharge resistor, which are connected with each other, and preferably, the discharge capacitor is connected with the interface 73 of the small discharge plate 6.
The power control module 4 interface 72 is a triangular socket for outputting 220V current, and has output short circuit protection and overcurrent protection functions.
In this embodiment, the expansion platelet 10 and the motherboard 3, and the discharge platelet 6 and the motherboard 3 are connected by expansion cables, the expansion interface and the expansion platelet 10 are connected by internal wires, the test communication interface 8 and the motherboard 3 are connected by network cables, and the electronic load 2 interface 71, and the power control module 4 interface 72 and the power control module 4 are connected by internal wires.
Furthermore, the electronic load 2 comprises at least two, the power control module 4 comprises at least one, the number of the signal interfaces is at least two, and the number of the expansion interfaces is at least two;
all the electronic loads 2 and all the power supply control modules 4 are connected with the mainboard 3;
an electronic load 2 is connected with a group of signal interfaces;
a power control module 4 is connected with a group of signal interfaces;
the small discharge plate 6 is connected with the signal interface;
the expansion platelet 10 is connected to all expansion interfaces.
Specifically, the electronic load 2 and the power control module 4 are provided with two sets of interfaces 71, the power control module 4 and the small discharge plate 6 are provided with two interfaces 72, the expansion interfaces are provided with two sets, and the electronic load 2 and the power control module 4 are provided with two interfaces.
In this embodiment, the electronic load 2 is preferably four channels, so that the interface 71 of the electronic load 2 has four interfaces.
Each group of electronic load 2 interfaces 71 is connected with an electronic load 2, each power control module 4 interface 72 is connected with a power control module 4, two small discharge plate 6 interfaces 73 are connected with the small discharge plate 6, and two groups of expansion interfaces are connected with the small expansion plate 10.
Preferably, the embodiment is provided with a plurality of test channels, so that a plurality of groups of independent tests can be completed, and the test efficiency is improved. Each test channel comprises a group of electronic load 2 interfaces 71, a power control module 4 interface 72, a small discharge plate 6 interface 73 and a group of expansion interfaces, each test channel can input test signals of a board card to be tested so that devices such as the main board 3 and the electronic load 2 can process the test signals, and the test channels can be connected with other test instruments to jointly complete multiple groups of tests.
In this embodiment, preferably, there may be only one power control module 4, and one power control module 4 is connected to the interfaces 72 of the plurality of power control modules 4, and the output of the 220V current of each test channel is controlled by one power control module 4.
Furthermore, the surface of the device housing 1 is also provided with an extended communication interface 12, and the extended communication interface 12 is connected with the extended small board 10.
Preferably, the expansion communication interface 12 may be a 14P through-wall terminal for communicating with a plurality of test channels.
Further, at least one indicator light 13 is further installed on the surface of the device housing 1, and the indicator light 13 is connected with the main board 3, so that the main board 3 controls the indicator light 13 to emit light.
Preferably, the indicator light 13 is connected with the main board 3 through an internal wire.
The indicator lamp 13 may emit light under the control of the main board 3, or may emit light of different colors. For example, the indicator lamp 13 may emit green light when the main board 3 receives a test signal to prepare for starting the test, and the indicator lamp 13 may emit red light when the test is completed and the test result is transmitted to the upper computer.
The number of the indicator lights 13 can be multiple, and the specific number can be set according to the needs of users. When the indicator lamps 13 are multiple, two indicator lamps 13 can be configured in one test channel, when one test channel is accessed with a test signal, one indicator lamp 13 configured to the test channel is lighted, and when the test is finished, the other indicator lamp 13 is lighted.
Further, the device housing 1 includes inside: at least one heat sink 14;
each heat sink 14 is connected to the dc power supply 5 for dissipating heat from the power tester.
Preferably, the heat sink 14 may be a dc fan.
Further, the test communication interface 8 is an RJ45 interface.
Example 2
The embodiment provides a power supply test system, which comprises the power supply test instrument, a board card to be tested and an upper computer as in embodiment 1;
the power supply test instrument is respectively connected with the board card to be tested and the upper computer;
and the board card to be tested sends a test signal to the power supply test instrument so that the power supply test instrument tests the board card to be tested to obtain a test result, and the test result is sent to the upper computer.
Preferably, in this embodiment, the power supply testing system may further include a testing jig, the testing jig is connected to the power supply testing apparatus in embodiment 1, the board to be tested is placed in the testing jig, the testing jig is pressed down to start testing, the power supply testing apparatus sends the testing result to the upper computer, the testing jig is lifted up, and the testing is finished.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (10)
1. A power supply test instrument is characterized by comprising a device shell, an electronic load, a mainboard, a power supply control module, a direct-current power supply, a small discharge plate, a signal interface, a test communication interface and a power supply input interface;
the electronic load, the mainboard, the power control module, the direct-current power supply and the discharge platelet are arranged in the device shell, and the signal interface, the test communication interface and the power input interface are arranged on the surface of the device shell;
the main board is connected with the small discharge plate, the electronic load, the power supply control module and the test communication interface respectively, and the direct current power supply is connected with the main board and the electronic load respectively;
the power input interface is respectively connected with the direct-current power supply and the power control module, and the electronic load, the power control module and the small discharge plate are also connected with the signal interface;
the main board is connected with an upper computer through the test communication interface;
the power supply input interface is used for inputting alternating current to the direct current power supply and the power supply control module so that the direct current power supply supplies power to the mainboard and the electronic load;
the mainboard is used for receiving the test signal input by the signal interface, processing the test signal to obtain a test result, and outputting the test result to the upper computer.
2. A power supply test instrument according to claim 1, further comprising: expanding the platelet;
the expansion small plate is arranged inside the device shell and connected with the main board;
the surface of the device shell is also provided with an expansion interface which is connected with the expansion small plate.
3. The power supply testing apparatus of claim 2, wherein the expansion interface comprises at least one expansion board communication interface, at least one test control interface, and at least one input/output interface;
the expansion small plate communication interface, the test control interface and the input/output interface are all connected with the expansion small plate.
4. A power supply test instrument according to claim 1, wherein the signal interface comprises: the power supply comprises an electronic load interface, a power supply control module interface and a discharge platelet interface;
the electronic load interface is connected with the electronic load, the power supply control module interface is connected with the power supply control module, and the discharge platelet interface is connected with the discharge platelet.
5. The power supply testing apparatus of claim 2, wherein said electronic load comprises at least two, said power supply control module comprises at least one, said signal interfaces comprise at least two groups, and said expansion interfaces comprise at least two groups;
all the electronic loads and all the power supply control modules are connected with the mainboard;
one of said electronic loads being connected to a set of said signal interfaces;
one of the power control modules is connected with one of the signal interfaces;
the small discharge plate is connected with the signal interface;
the expansion platelet is connected with all the expansion interfaces.
6. The power supply testing apparatus according to claim 2, wherein the surface of the device housing is further provided with an extended communication interface, and the extended communication interface is connected with the extended small board.
7. A power supply testing apparatus as claimed in claim 1, wherein at least one indicator light is mounted on a surface of the housing of the apparatus, the indicator light being connected to the main board so that the main board controls the indicator light to emit light.
8. A power supply testing apparatus according to claim 1, wherein said device housing interior further comprises: at least one heat sink;
each heat dissipation device is connected with the direct current power supply and used for dissipating heat of the power supply testing instrument.
9. The power supply testing apparatus of claim 1, wherein the testing communication interface is an RJ45 interface.
10. A power supply test system, comprising a power supply test instrument as claimed in any one of claims 1 to 9, a board to be tested, and an upper computer;
the power supply test instrument is respectively connected with the board card to be tested and the upper computer;
the board card to be tested sends a test signal to the power supply test instrument so that the power supply test instrument tests the board card to be tested to obtain a test result, and the test result is sent to the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948710.9U CN215493977U (en) | 2021-08-18 | 2021-08-18 | Power supply testing instrument and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948710.9U CN215493977U (en) | 2021-08-18 | 2021-08-18 | Power supply testing instrument and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215493977U true CN215493977U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121948710.9U Active CN215493977U (en) | 2021-08-18 | 2021-08-18 | Power supply testing instrument and system |
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|---|---|
| CN (1) | CN215493977U (en) |
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2021
- 2021-08-18 CN CN202121948710.9U patent/CN215493977U/en active Active
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