CN213517439U - Multifunctional circuit board test platform - Google Patents
Multifunctional circuit board test platform Download PDFInfo
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- CN213517439U CN213517439U CN202022704657.XU CN202022704657U CN213517439U CN 213517439 U CN213517439 U CN 213517439U CN 202022704657 U CN202022704657 U CN 202022704657U CN 213517439 U CN213517439 U CN 213517439U
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Abstract
The utility model discloses a multifunctional circuit board testing platform, which comprises a control panel, a switching power supply, a constant current power supply and a stabilized voltage power supply; the control panel comprises two RS232 interfaces, an RS485 interface, a power supply interface and a signal acquisition interface; the constant-current power supply and the stabilized-voltage power supply respectively comprise RS485 interfaces and are respectively connected with 220V alternating-current mains supply, and the constant-current power supply and the stabilized-voltage power supply are respectively used for converting the 220V alternating-current mains supply into constant-current output and stabilized-voltage output; one RS232 interface of the control panel is connected with the computer, and the other RS232 interface of the control panel is connected with the RS232 interface of the tested circuit board; the RS485 interface of the control panel is respectively connected with the RS485 interfaces of the constant current power supply and the stabilized voltage power supply; the positive and negative output ends of the constant current power supply and the stabilized voltage supply are respectively connected with the corresponding input ends on the tested circuit board; the switch power supply is respectively connected with the power interface of the control panel and the power interface of the circuit board to be tested; the signal acquisition interface of the control panel is connected with the control signal interface of the tested circuit board.
Description
Technical Field
The utility model relates to a circuit board test field, specific saying so relates to a multifunctional circuit board test platform.
Background
In the production of electronic load boards, the circuit board needs to be tested. For an electronic load board, especially an electronic load board with a solar simulator control function, an existing test platform can only test the functions of communication, temperature acquisition, light intensity acquisition, current and voltage acquisition and the like of the electronic load board, but cannot calibrate channels of current, voltage, temperature acquisition, light intensity acquisition and the like of the electronic load board. To improve the test efficiency and calibration consistency, a specialized platform is needed that can test and calibrate the electronic load board.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the present invention provides a multifunctional circuit board testing platform.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional circuit board test platform comprises a control board, a switching power supply, a constant current power supply and a voltage-stabilized power supply;
the control panel comprises two RS232 interfaces, an RS485 interface, a power supply interface and a signal acquisition interface;
the constant-current power supply and the stabilized-voltage power supply respectively comprise RS485 interfaces and are respectively connected with 220V alternating-current mains supply, and the constant-current power supply and the stabilized-voltage power supply are respectively used for converting the 220V alternating-current mains supply into constant-current output and stabilized-voltage output;
one RS232 interface of the control panel is connected with the computer, and the other RS232 interface of the control panel is connected with the RS232 interface of the tested circuit board;
the RS485 interface of the control panel is respectively connected with the RS485 interfaces of the constant current power supply and the stabilized voltage power supply;
the positive and negative output ends of the constant current power supply and the stabilized voltage supply are respectively connected with the corresponding input ends on the tested circuit board;
the switching power supply is respectively connected with the power supply interface of the control panel and the power supply interface of the circuit board to be tested;
and the signal acquisition interface of the control panel is connected with the control signal interface of the tested circuit board.
In some embodiments, the control board further comprises a plurality of voltage sampling interfaces, and the plurality of voltage sampling interfaces are respectively connected with a plurality of voltage test points on the circuit board to be tested.
In some embodiments, the switching power supply is a 24V dc power supply; the constant current power supply is used for providing 0-20A constant current output under the control of the control panel; the stabilized voltage power supply is used for providing stabilized voltage output of 0-100V under the control of the control board.
In some embodiments, the device further comprises an analog light intensity module and an analog temperature module, wherein the analog light intensity module and the analog temperature module both comprise an RS485 interface and a power supply interface;
the switch power supply is also connected with the power supply interfaces of the analog light intensity module and the analog temperature module respectively;
the RS485 interface of the control panel is also connected with the RS485 interfaces of the analog light intensity module and the analog temperature module respectively;
the output ends of the analog light intensity module and the analog temperature module are respectively connected with a light intensity acquisition channel and a temperature acquisition channel of the circuit board to be tested.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a multifunctional circuit board test platform compares with current test platform, can test and calibrate electron load board, can improve the uniformity of efficiency of software testing and calibration.
Drawings
Fig. 1 is a schematic block diagram of a multifunctional circuit board testing platform provided by the present invention;
description of reference numerals: 1. a control panel; 2. a switching power supply; 3. a constant current power supply; 4. a regulated power supply; 5. an analog light intensity module; 6. a simulated temperature module; 10. the circuit board under test.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, how to implement the present invention is further explained below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model provides a multifunctional circuit board testing platform, which comprises a control board 1, a switch power supply 2, a constant current power supply 3 and a stabilized voltage power supply 4; the control panel 1 comprises two RS232 interfaces, an RS485 interface, a power supply interface and a signal acquisition interface; the constant current power supply 3 and the stabilized voltage power supply 4 comprise RS485 interfaces and are connected with 220V alternating current mains supply, and the constant current power supply 3 and the stabilized voltage power supply 4 are respectively used for converting the 220V alternating current mains supply into constant current output and stabilized voltage output; one RS232 interface of the control panel 1 is connected with a computer, and the other RS232 interface of the control panel 1 is connected with the RS232 interface of the tested circuit board 10; an RS485 interface of the control panel 1 is respectively connected with an RS485 interface of the constant current power supply 3 and an RS485 interface of the stabilized voltage power supply 4; the positive and negative output ends of the constant current power supply 3 and the stabilized voltage supply 4 are respectively connected with the corresponding input ends on the tested circuit board 10; the switching power supply 2 is respectively connected with the power interface of the control board 1 and the power interface of the circuit board 10 to be tested; the signal acquisition interface of the control board 1 is connected with the control signal interface of the circuit board 10 to be tested.
Preferably, the control board 1 further comprises a plurality of voltage sampling interfaces, and the plurality of voltage sampling interfaces are respectively connected with a plurality of voltage test points on the circuit board 10 to be tested.
Preferably, the switching power supply is a 24V dc power supply; the constant current power supply 3 is used for providing constant current output of 0-20A under the control of the control panel 1; the regulated power supply 4 is used for providing regulated output of 0-100V under the control of the control board 1.
Preferably, the multifunctional circuit board test platform further comprises an analog light intensity module 5 and an analog temperature module 6, wherein the analog light intensity module 5 and the analog temperature module 6 both comprise an RS485 interface and a power supply interface; the switch power supply 2 is also respectively connected with power interfaces of the analog light intensity module 5 and the analog temperature module 6; the RS485 interface of the control panel 1 is also connected with the RS485 interfaces of the analog light intensity module 5 and the analog temperature module 6 respectively; the output ends of the analog light intensity module 5 and the analog temperature module 6 are respectively connected with the light intensity acquisition channel and the temperature acquisition channel of the tested circuit board 10. The analog light intensity module 5 and the analog temperature module 6 can both output 0-5V voltage under the control of the control panel 1 to simulate corresponding light intensity values and temperature values.
In an embodiment, with the multifunctional circuit board testing platform provided by the present invention, the flow of testing the tested circuit board 10 (electronic load board) with the solar simulator control function is as follows:
the computer-side software is used for issuing an instruction to the control board 1, the control board 1 starts to test the tested circuit board 10, and the following aspects can be tested respectively;
1) the voltage of each point of the tested circuit board (shown as +24V, +5V, -5V, +3.3V, +2.5V in the figure) is tested, the voltage of the control board 1 is adopted by a port, whether the internal voltage of the tested circuit board 10 is normal or not is compared, and if the internal voltage is abnormal, a prompt signal is directly sent out and the abnormal type is prompted.
2) The control panel 1 issues a current test command to the tested circuit board through the RS232 interface, issues a current output command to the constant current power supply 3 through the RS485 interface, and then respectively acquires a current value collected by the tested circuit board and an actual output current value collected inside the constant current power supply 3; repeating the operation, and testing each current gear at a certain step value (such as 0.5A) between the tested circuit boards; after two groups of data are obtained, a correction coefficient is obtained through calculation and is sent to the tested circuit board 10 through an RS232 interface to be stored; the measured result is corrected according to the written correction coefficient in the using process of the tested circuit board 10, so that the test and calibration of the current channel of the tested circuit board 10 are completed; the testing process and data can be synchronously uploaded to a value computer for displaying and storing.
3) The voltage channel, the light intensity acquisition channel and the temperature acquisition channel can be tested and calibrated by adopting a method similar to that in the item 2); the test process and data can be synchronously uploaded to a PC terminal for displaying and storing.
4) The signals at the control signal interface of the circuit board 10 to be tested are detected, and whether the hardware circuit and the program of the interface are correct or not is judged.
To sum up, the utility model provides a multifunctional circuit board test platform compares with current test platform, can test and calibrate the electron load board, can improve the uniformity of efficiency of software testing and calibration.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (4)
1. A multifunctional circuit board test platform is characterized by comprising a control board (1), a switching power supply (2), a constant current power supply (3) and a stabilized voltage power supply (4);
the control panel (1) comprises two RS232 interfaces, an RS485 interface, a power supply interface and a signal acquisition interface;
the constant current power supply (3) and the stabilized voltage power supply (4) comprise RS485 interfaces and are connected with 220V alternating current mains supply, and the constant current power supply (3) and the stabilized voltage power supply (4) are respectively used for converting the 220V alternating current mains supply into constant current output and stabilized voltage output;
one RS232 interface of the control panel (1) is connected with a computer, and the other RS232 interface of the control panel (1) is connected with the RS232 interface of the tested circuit board (10);
the RS485 interface of the control panel (1) is respectively connected with the RS485 interfaces of the constant current power supply (3) and the stabilized voltage power supply (4);
the positive and negative output ends of the constant current power supply (3) and the stabilized voltage power supply (4) are respectively connected with the corresponding input ends on the tested circuit board (10);
the switching power supply (2) is respectively connected with the power supply interface of the control panel (1) and the power supply interface of the circuit board (10) to be tested;
and the signal acquisition interface of the control board (1) is connected with the control signal interface of the tested circuit board (10).
2. The multifunctional circuit board test platform of claim 1, wherein the control board (1) further comprises a plurality of voltage sampling interfaces, and the plurality of voltage sampling interfaces are respectively connected with a plurality of voltage test points on the circuit board (10) to be tested.
3. The multifunctional circuit board test platform of claim 1, wherein the switching power supply is a 24V dc power supply; the constant current power supply (3) is used for providing a constant current output of 0-20A under the control of the control panel (1); the stabilized voltage power supply (4) is used for providing 0-100V stabilized voltage output under the control of the control panel (1).
4. The multifunctional circuit board test platform of claim 1, further comprising an analog light intensity module (5) and an analog temperature module (6), wherein the analog light intensity module (5) and the analog temperature module (6) both comprise an RS485 interface and a power interface;
the switch power supply (2) is also connected with power interfaces of the analog light intensity module (5) and the analog temperature module (6) respectively;
the RS485 interface of the control panel (1) is also connected with the RS485 interfaces of the analog light intensity module (5) and the analog temperature module (6) respectively;
the output ends of the analog light intensity module (5) and the analog temperature module (6) are respectively connected with a light intensity acquisition channel and a temperature acquisition channel of the tested circuit board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704657.XU CN213517439U (en) | 2020-11-20 | 2020-11-20 | Multifunctional circuit board test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704657.XU CN213517439U (en) | 2020-11-20 | 2020-11-20 | Multifunctional circuit board test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213517439U true CN213517439U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022704657.XU Active CN213517439U (en) | 2020-11-20 | 2020-11-20 | Multifunctional circuit board test platform |
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|---|---|
| CN (1) | CN213517439U (en) |
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2020
- 2020-11-20 CN CN202022704657.XU patent/CN213517439U/en active Active
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