CN216013572U - Assembly line test multi-output power management control panel - Google Patents
Assembly line test multi-output power management control panel Download PDFInfo
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- CN216013572U CN216013572U CN202120144977.6U CN202120144977U CN216013572U CN 216013572 U CN216013572 U CN 216013572U CN 202120144977 U CN202120144977 U CN 202120144977U CN 216013572 U CN216013572 U CN 216013572U
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Abstract
The utility model relates to a production line test multi-output power management control panel which is used for testing the electrical property of a load and comprises a main control module, a switch control module, a keyboard module and a display module, wherein the main control module is respectively and electrically connected with the switch control module, the keyboard module and the display module, the main control module is provided with a single chip microcomputer, the switch control module is provided with a plurality of paths, each path of switch control module is respectively provided with a voltmeter and an ammeter, the load to be tested is connected with the switch control module, the single chip microcomputer is used for controlling the plurality of paths of switch control modules, simultaneously reading voltage signals and current signals of the plurality of paths of voltmeter and ammeters and feeding the voltage signals and the current signals back to the single chip microcomputer for data processing and judgment, the electrical property test of the load to be tested is completed, the plurality of paths are tested simultaneously, and the test efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of assembly line testing, in particular to a multi-output power management control board for assembly line testing.
Background
On the PCBA test assembly line, the PCBA module needs to be subjected to power-on test, and whether the current and voltage of the module meet the design requirements or not is detected. Under the normal condition, a special power supply is equipped for testing, and only one PCBA module can be tested at a time, so that the testing efficiency of the production line is reduced. Meanwhile, the common test power supply does not have automatic voltage and current verification, only depends on the experience and the reaction of a tester, and is easy to generate false detection, missing detection and the like, so that unnecessary product reject ratio is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a pipeline test multi-output power management control board capable of simultaneously testing a plurality of PCBA modules, so as to improve the test efficiency.
The utility model provides an assembly line test many output power management control panel for test load's electrical property, it includes host system, on-off control module, keyboard module and display module, host system with on-off control module, keyboard module and display module electricity are connected respectively, host system has the singlechip, on-off control module has the multichannel, every way on-off control module has voltmeter and ampere meter respectively, awaits measuring the test the load connect in on-off control module, the singlechip is used for controlling the multichannel on-off control module reads the multichannel simultaneously voltage signal and the current signal of voltmeter and ampere meter feed back the singlechip and carry out data processing and judgement, accomplish the electrical property test of the await measuring load.
Preferably, each switch control module further has a relay and a triode, each relay is used for correspondingly controlling the on-off of each switch control module, an emitter of each triode is connected with the single chip, and one end of each relay is connected with a voltmeter and an ammeter of each circuit.
Preferably, each switch control module further has a first resistor, each first resistor is disposed between the emitter of the corresponding transistor and the single chip, and the other end of each relay is connected to the collector of the corresponding transistor.
Preferably, each switch control module further has a second resistor, each relay is correspondingly connected to the second resistor, and the other end of the second resistor is connected to a power supply.
Preferably, each load to be tested is connected with each current meter in series and then connected with the voltmeter in parallel to detect the current and the voltage of the load to be tested, the single chip microcomputer reads that the current or the voltage of a certain path is abnormal within a preset time, and the single chip microcomputer controls the relay to be switched off, so that the switch control module is controlled to stop supplying power to the load to be tested.
Preferably, the display module has the multichannel, and the multichannel display module has the display lamp respectively, a plurality of display lamps respectively with the singlechip is connected, the display lamp is used for showing whether the load that awaits measuring goes wrong.
Preferably, each display module is provided with a resistor, one end of each resistor is connected with a power supply, and the other end of each resistor is correspondingly connected with each display lamp.
Preferably, each display lamp corresponds to one switch control module respectively, and is used for displaying whether the corresponding load to be tested is normal or not.
Preferably, the keyboard module is provided with a plurality of keys, the keys are respectively connected with the single chip microcomputer, and the keys are respectively used for correspondingly controlling the power supply of the switch control modules.
Preferably, the load to be tested is a PCBA module.
In the assembly line test multi-output power management control panel, the switch control module is provided with a plurality of paths, each path of switch control module is respectively provided with a voltmeter and an ammeter, and a load to be tested is connected to the switch control module, so that a plurality of complex loads can be tested at the same time, and the test efficiency is improved; the device is provided with a singlechip control switch control module, simultaneously reads multiple paths of voltage signals and current signals, feeds the voltage signals and the current signals back to the singlechip for data processing and judgment, automatically checks the voltage and the current, reduces false detection, missing detection and the like, reduces the reject ratio of products, and can be used for batch test of a production line.
Drawings
Fig. 1 is a schematic circuit diagram of a pipeline test multi-output power management control board according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
Please refer to fig. 1, which illustrates a pipeline testing multi-output power management control board 100 according to an embodiment of the present invention, which is used for testing electrical performance of a load, and includes a main control module 1, a switch control module 2, a keyboard module 3, and a display module 4, where the main control module 1 is electrically connected to the switch control module 2, the keyboard module 3, and the display module 4, the main control module 1 has a single chip microcomputer 11, the switch control module 2 has multiple paths, each path of the switch control module 2 has a voltmeter 21 and an ammeter 22, the load 23 to be tested is connected to the switch control module 2, the single chip microcomputer 11 is configured to control the multiple paths of the switch control module 2, read multiple paths of the voltage signals and the current signals at the same time, feed back the voltage signals and the current signals to the single chip microcomputer 11 for data processing and judgment, and the main control module 1 detects whether the tested load 23 is normal, completing the electrical performance test of the load 23 to be tested. Further, in the embodiment of the present invention, there are 8 paths of the switch control modules 2.
Preferably, the load is a PCBA module, and automatic testing of a plurality of PCBA modules may be required at the same time during testing, which is illustrated by taking 8 PCBA modules as an example.
Specifically, in the embodiment of the present invention, the single chip microcomputer 11 is an STM32F103 single chip microcomputer, the STM32F103 single chip microcomputer has a plurality of pins, and the plurality of pins include a PA0 pin to a PA7 pin, a PB0 pin to a PB7 pin, and the like.
Preferably, each switch control module 2 further has a relay K and a triode Q, each relay K is used for correspondingly controlling the on/off of each switch control module 2, an emitter of each triode Q is connected with the single chip microcomputer 11, and one end of each relay K is connected with a voltmeter 21 and an ammeter 22 of each circuit.
Preferably, each switch control module 2 further has a first resistor 24, each first resistor 24 is disposed between the emitter of the corresponding triode Q and the single chip microcomputer 11, and the other end of each relay K is connected to the collector of the corresponding triode Q.
Preferably, each switch control module 2 further has a second resistor 25, each relay K is correspondingly connected to the second resistor 25, and the other end of each second resistor 25 is connected to a +5V power supply, so as to satisfy the voltage required by the load 23 to be tested. Specifically, the 8 switch control modules 2 are respectively connected to the PB0 pin to the PB7 pin in a one-to-one correspondence.
Preferably, the load 23 to be tested is connected in series with the ammeter 22 and then connected in parallel with the voltmeter 21 to detect the current and voltage of the load 23 to be tested, and if the single chip microcomputer 11 reads a certain path of current or voltage in a predetermined time, the single chip microcomputer 11 controls to disconnect the relay K, so as to control the switch control module 2 to stop supplying power to the path of the load 23 to be tested.
Preferably, the display module 4 has multiple paths, the multiple paths of the display module 4 are respectively provided with a display lamp 41, the display lamps 41 are preferably LED display lamps, the multiple display lamps 41 are respectively connected with the single chip microcomputer 11, and the display lamps 41 are used for displaying whether the load 23 to be tested has a problem.
Preferably, each display 41 corresponds to one switch control module 2, and is configured to display whether the corresponding load 23 to be tested is normal. Further, in the embodiment of the present invention, there are 8 display modules, and 8 indicator lights 41 are respectively connected to the PA0 pin to the PA7 pin in a one-to-one correspondence. Specifically, each of the display modules 4 corresponds to one of the switch control modules 2, and when a test of the corresponding load 23 fails, the corresponding LED display lamp indicates a fault state.
Preferably, each of the display modules 4 has a resistor 42, one end of each of the resistors 42 is connected to a 3.3V power supply, and the other end of each of the resistors 42 is correspondingly connected to each of the display lamps 41.
Preferably, the keyboard module 3 has a plurality of keys, in the embodiment of the present invention, the keys are 4 × 2 keys and have 8 keys, the 8 keys include keys S1 to S8, the 8 keys are respectively connected to the single chip microcomputer 11, and the plurality of keys are respectively used for controlling power supply of the plurality of switch control modules 1. Specifically, one end of the key S1 and one end of the key S2 are respectively connected to a pin PA0, one end of the key S3 and one end of the key S4 are respectively connected to a pin PA1, one end of the key S5 and one end of the key S6 are respectively connected to a pin PA2, one end of the key S7 and one end of the key S8 are respectively connected to a pin PA3, the other end of the key S1, the key S3, the other end of the key S5 and the other end of the key S7 are respectively connected to a pin PA4, the other end of the key S2, the key S4, the key S6 and the other end of the key S8 are respectively connected to a pin PA5, and 8 keys are respectively corresponding to 8 channels of the switch control module 1.
In the assembly line test multi-output power management control panel 100, 5V voltage is output through multiple channels to meet the voltage required by the load 23 to be tested, 8 paths of loads 23 can be tested simultaneously, 8 paths of switch control modules 2 are controlled through a single chip microcomputer, 8 paths of voltage and current signals are read simultaneously and fed back to the single chip microcomputer 11 for data processing and judgment, whether the load 23 works normally or not can be judged by detecting the voltage and the current of the load 23, and automatic test of the electrical performance of the load 23 to be tested is realized; the keyboard module 3 controls the power supply of the 8-path load 23, so that the tested load 23 and the circuit of the management control panel can be effectively protected; each channel is controlled to be on or off through a relay, and when abnormal voltage and current are detected within set time, the singlechip 11 can control the channel to be off; if a problem occurs with the corresponding load 23 test, the corresponding LED display light indicates a fault condition. The method can be used for batch test of the assembly line, reduces the product reject ratio and improves the test efficiency.
It should be noted that the present invention is not limited to the above-mentioned embodiments, and other changes and modifications can be made by those skilled in the art according to the spirit of the present invention, and these changes and modifications made according to the spirit of the present invention should be included in the scope of the present invention as claimed.
Claims (10)
1. The utility model provides an assembly line test many output power management control panel for test load's electrical property, its characterized in that, including host system, on-off control module, keyboard module and display module, host system with on-off control module, keyboard module and display module electricity are connected respectively, host system has the singlechip, on-off control module has the multichannel, every way on-off control module has voltmeter and ampere meter respectively, the examination of awaiting measuring the load connect in on-off control module, the singlechip is used for controlling the multichannel on-off control module reads the multichannel simultaneously the voltage signal and the current signal of voltmeter and ampere meter feed back the singlechip and carry out data processing and judgement, accomplish the test of the electrical property of examination load.
2. The power management control board for pipeline testing and multiple outputs of claim 1, wherein each switch control module further comprises a relay and a transistor, each relay is used for controlling the on/off of each switch control module correspondingly, the emitter of each transistor is connected to the single chip, and one end of each relay is connected to a voltmeter and an ammeter of each circuit.
3. The power management control board for pipeline testing and multiple outputs of claim 2, wherein each of the switch control modules further has a first resistor, each of the first resistors is disposed between an emitter of a corresponding one of the transistors and the single chip, and the other end of each of the relays is connected to a collector of a corresponding one of the transistors.
4. The pipeline testing multi-output power management control board of claim 3, wherein each switch control module further comprises a second resistor, each relay is correspondingly connected to the second resistor, and the other end of the second resistor is connected to a power supply.
5. The pipeline testing multi-output power management control board as claimed in claim 4, wherein each load to be tested is connected in series with each current meter and then connected in parallel with a voltmeter to detect the current and voltage of the load to be tested, and when the single chip reads that a certain current or voltage is abnormal within a predetermined time, the single chip controls to disconnect the relay, thereby controlling the switch control module to stop supplying power to the tested load.
6. The pipeline test multi-output power management control board of claim 1, wherein the display module has multiple paths, the multiple paths of the display module are respectively provided with a display lamp, the multiple display lamps are respectively connected with the single chip microcomputer, and the display lamps are used for displaying whether a problem occurs in a load to be tested.
7. The power management control board for pipeline testing and multiple outputs of claim 6, wherein each of the display modules has a resistor, one end of each of the resistors is connected to a power source, and the other end of each of the resistors is connected to each of the display lamps.
8. The pipeline test multi-output power management control board of claim 6, wherein each of the display lamps corresponds to one of the switch control modules, respectively, for displaying whether the corresponding load to be tested is normal.
9. The power management control panel for pipeline testing and multiple outputs of claim 1, wherein the keyboard module has a plurality of keys, the plurality of keys are respectively connected to the single chip, and the plurality of keys are respectively used for correspondingly controlling the power supply of the plurality of switch control modules.
10. The pipeline test multi-output power management control board of claim 1, wherein the load to be tested is a PCBA module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144977.6U CN216013572U (en) | 2021-01-20 | 2021-01-20 | Assembly line test multi-output power management control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144977.6U CN216013572U (en) | 2021-01-20 | 2021-01-20 | Assembly line test multi-output power management control panel |
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| Publication Number | Publication Date |
|---|---|
| CN216013572U true CN216013572U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120144977.6U Active CN216013572U (en) | 2021-01-20 | 2021-01-20 | Assembly line test multi-output power management control panel |
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| CN (1) | CN216013572U (en) |
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2021
- 2021-01-20 CN CN202120144977.6U patent/CN216013572U/en active Active
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