CN108495420B - Rapid detection system of multipath constant-current output driving plate - Google Patents
Rapid detection system of multipath constant-current output driving plate Download PDFInfo
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- CN108495420B CN108495420B CN201810434265.0A CN201810434265A CN108495420B CN 108495420 B CN108495420 B CN 108495420B CN 201810434265 A CN201810434265 A CN 201810434265A CN 108495420 B CN108495420 B CN 108495420B
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 238000004891 communication Methods 0.000 claims abstract description 30
- 239000003990 capacitor Substances 0.000 claims description 56
- 230000002457 bidirectional effect Effects 0.000 claims description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Testing Electric Properties And Detecting Electric Faults (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
The invention discloses a rapid detection system of a multi-path constant current output driving plate, which is used for detecting whether the multi-path constant current output driving plate has faults or not and comprises an AD/DC power supply module, an misoperation starting module, a communication detection and display module, a current and voltage detection feedback module, an LED load module and a program downloading module, wherein the AD/DC power supply module is connected with the communication detection and display module through the misoperation starting module, the communication detection and display module is connected with the current and voltage detection feedback module through the multi-path constant current output driving plate, the current and voltage detection feedback module is connected with the communication detection and display module, and the program downloading module and the LED load module are both connected with the multi-path constant current output driving plate. The detection system can independently detect the output voltage and the output current of each constant current circuit so as to pick out a faulty multipath constant current output driving plate.
Description
Technical Field
The invention relates to a rapid detection system of a multipath constant current output driving plate.
Background
In recent years, the development of the electronic industry has been rapidly advanced, the whole industry presents a Boehringer, electronic products are penetrated into various fields of human society life and production, the electronic products are small to household appliances, and the electronic products are large to high-tech products such as tip weapons, space shuttle and the like, and the application of circuit boards is almost ubiquitous.
The rapid development of various electronic products increases the requirement for rapid detection of the circuit board, and simultaneously brings higher-level requirements for testing and maintenance work of the circuit board. Market demands similar to multipath constant current output circuits are increasing, so that corresponding detection tool demands are also increasing. At present, the existing detection system has the problems that the circuit board is short-circuited due to the fact that clamping is not in place, single constant current output can be detected manually, consistency of multiple paths of output needs to be confirmed manually, and the like, so that detection quality, operation convenience and production efficiency are seriously affected.
Disclosure of Invention
The invention aims to overcome the defects in the existing products and provides a rapid detection system of a multipath constant-current output driving plate.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the rapid detection system of the multipath constant current output driving plate is used for detecting whether the multipath constant current output driving plate has faults or not and comprises an AD/DC power supply module, an misoperation starting module, a communication detection and display module, a current and voltage detection feedback module, an LED load module and a program downloading module, wherein the AD/DC power supply module is connected with the communication detection and display module through the misoperation starting module, the communication detection and display module is connected with the current and voltage detection feedback module through the multipath constant current output driving plate, the current and voltage detection feedback module is connected with the communication detection and display module, and the program downloading module and the LED load module are both connected with the multipath constant current output driving plate.
The AD/DC power module is used for connecting 100 to 240V alternating current power.
The misoperation starting module is used for providing DC power for the communication detection and display module.
The program downloading module is used for automatically downloading the program into the multipath constant current output driving board.
And the current and voltage detection feedback module feeds back the detected electric parameters of the multipath constant current output driving plate and the LED load module to the communication detection and display module.
The communication detection and display module is used for judging whether the constant current circuit of the multi-path constant current output driving plate is normal or not through the feedback of the electric parameters of the current and voltage detection feedback module.
The misoperation starting module comprises a socket J1, a fuse F1, a toggle switch SW1, a voltage stabilizing diode D1, a bidirectional TVS diode TVS1, a capacitor C1, a transformer L, a capacitor C4, a polarity capacitor CD1, a polarity capacitor CD2 and a power supply VCC_IN, wherein the transformer L comprises a primary coil L1 and a secondary coil L2, one end of the socket J1 is connected with one end of the bidirectional TVS diode TVS1, the other end of the socket J1 is connected with the power supply VCC_IN, the other end of the socket J1 is connected with the toggle switch SW1 through the fuse F1, the toggle switch SW1 is connected with the other end of the bidirectional TVS diode TVS1 through the voltage stabilizing diode D1, the capacitor C1 is connected with the bidirectional TVS diode TVS1 IN parallel, one end of the bidirectional TVS diode L1 is connected with one end of the primary coil L1, the other end of the bidirectional TVS diode TVS1 is connected with one end of the secondary coil L2, the other end of the primary coil L1 is connected with a ground signal GND, the other end of the secondary coil L2 is connected with the other end of the capacitor L2, the other end of the capacitor C4 is connected with the capacitor C4, and the capacitor C4 is connected with the polarity signal C2 is connected with the one end of the capacitor C2.
The misoperation starting module further comprises a capacitor C2, a capacitor C3, a capacitor C5 and a capacitor C6, wherein the capacitor C2 and the capacitor C3 are connected with the capacitor C1 in parallel, and the capacitor C5 and the capacitor C6 are connected with the capacitor C4 in parallel.
The beneficial effects of the invention are as follows: the multi-channel constant current output driving plate is connected with the misoperation starting module before being input, so that the problem that the clamping position of the multi-channel constant current output driving plate is wrong due to human misoperation is avoided, the multi-channel constant current output driving plate is not provided with a starting switch, and the like, and the multi-channel constant current output driving plate cannot be damaged even if a detection system is started. The misoperation starting module can protect the detection of the fault multipath constant current output driving plate from further damage of other templates in the system, so that the expansion of faults is avoided; the communication detection and display module continuously feeds back the electric parameters through the current and voltage detection feedback module to judge whether the constant current circuit of the multi-path constant current output driving plate is normal or not, and feedback information is displayed on the display module, so that an operator can quickly judge whether the multi-path constant current output driving plate to be detected is normal or not, and quickly judge that the constant current circuit of a certain path of the multi-path constant current output driving plate is abnormal, thereby providing maintenance basis for subsequent maintenance personnel and reducing maintenance difficulty and time. The program downloading module automatically downloads the program into the multipath constant current output driving board after the system is started, so that the step of detecting the multipath constant current output driving board by a detector is extremely simple, and only one-key operation is needed from the beginning to the end of detection. Therefore, the invention has the characteristics of high detection accuracy, high detection efficiency, simple operation and the like. The detection system can independently detect the output voltage and the output current of each constant current circuit so as to pick out a faulty multipath constant current output driving plate.
Drawings
FIG. 1 is a system block diagram of the present invention;
fig. 2 is a schematic circuit diagram of the malfunction starting module.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings in the specification:
as shown in fig. 1, a rapid detection system for a multi-path constant current output driving board is used for detecting whether the multi-path constant current output driving board has faults or not, and comprises a multi-path constant current output driving board 7, an AD/DC power module 1, a misoperation starting module 2, a communication detection and display module 3, a current and voltage detection feedback module 4, an LED load module 5 and a program downloading module 6, wherein the AD/DC power module 1 is connected with the communication detection and display module 3 through the misoperation starting module 2, the communication detection and display module 3 is connected with the current and voltage detection feedback module 4 through the multi-path constant current output driving board 7, the current and voltage detection feedback module 4 is connected with the communication detection and display module 3, and the program downloading module 6 and the LED load module 5 are both connected with the multi-path constant current output driving board 7. The AD/DC power module 1 is for connecting to a 100 to 240V ac power supply. The misoperation starting module 2 is used for providing DC power for the communication detection and display module 3. The program downloading module 6 is used for automatically downloading the program into the multipath constant current output driving board 7. The current and voltage detection feedback module 4 feeds back the detected electric parameters of the multipath constant current output driving plate 7 and the LED load module 5 to the communication detection and display module 3. The communication detection and display module 3 is used for judging whether the constant current circuit of the multi-path constant current output driving board 7 is normal or not through the feedback of the electric parameters of the current and voltage detection feedback module 4.
As shown IN fig. 2, the misoperation starting module 2 includes a socket J1, a fuse F1, a toggle switch SW1, a voltage stabilizing diode D1, a bidirectional TVS diode TVS1, a capacitor C1, a transformer L, a capacitor C4, a polarity capacitor CD1, a polarity capacitor CD2, and a power source vcc_in, the transformer L includes a primary coil L1 and a secondary coil L2, one end of the socket J1 is connected with one end of the bidirectional TVS diode TVS1, the other end of the socket J1 is connected with the power source vcc_in, the other end of the socket J1 is connected with the toggle switch SW1 through the fuse F1, the toggle switch SW1 is connected with the other end of the bidirectional TVS diode TVS1 through the voltage stabilizing diode D1, the capacitor C1 is connected with the other end of the bidirectional TVS diode TVS1 IN parallel, one end of the bidirectional TVS diode TVS1 is connected with one end of the primary coil L1, the other end of the bidirectional TVS diode is connected with one end of the secondary coil L2, the other end of the primary coil L1 is connected with a ground signal GND, the other end of the secondary coil L2 is connected with the other end of the capacitor C4, and the other end of the capacitor is connected with the capacitor CD 4 is connected with the other end of the tvc 2, and the capacitor is connected with the capacitor CD 2. The misoperation starting module 2 further comprises a capacitor C2, a capacitor C3, a capacitor C5 and a capacitor C6, wherein the capacitor C2 and the capacitor C3 are connected with the capacitor C1 in parallel, and the capacitor C5 and the capacitor C6 are connected with the capacitor C4 in parallel.
The use operation of the tool is introduced by taking a test or maintenance load as a multi-channel constant current output driving plate for RED output:
the first step: connection
Placing a multi-path constant current output driving plate to be detected in a detection system to-be-detected area, starting an AC/DC power module, and confirming whether the multi-path constant current output driving plate is in place;
and a second step of: testing
Firstly, a misoperation starting module is started, and a program downloading module automatically downloads programs into the multipath constant current output driving board. The communication detection and display module sends communication signals of different currents output by the multipath constant current output driving plate to the current and voltage detection feedback module, and the current and voltage detection feedback module detects different current parameters of the LED load and feeds back the voltages of the multipath constant current output driving plate to the display module. And after the communication detection and display module processes the feedback signal, displaying the problematic constant current circuit on the display module.
The multi-channel constant current output driving plate is connected with the misoperation starting module before being input, so that the problem that the clamping position of the multi-channel constant current output driving plate is wrong due to human misoperation is avoided, the multi-channel constant current output driving plate is not provided with a starting switch, and the like, and the multi-channel constant current output driving plate cannot be damaged even if a detection system is started. The misoperation starting module comprises a limit switch for clamping the circuit board in place, a fast-breaking fuse for overcurrent of a DC power supply, a diode for preventing reverse connection of the DC power supply, a voltage-stabilizing diode for overvoltage protection and the like, and can protect the circuit board from being damaged further by other auxiliary circuit boards of the system when detecting the fault circuit board, thereby avoiding the expansion of the fault; the misoperation starting module can protect the detection of the fault multipath constant current output driving plate from further damage of other templates in the system, so that the expansion of faults is avoided; the communication detection and display module continuously feeds back the electric parameters through the current and voltage detection feedback module to judge whether the constant current circuit of the multi-path constant current output driving plate is normal or not, and feedback information is displayed on the display module, so that an operator can quickly judge whether the multi-path constant current output driving plate to be detected is normal or not, and quickly judge that the constant current circuit of a certain path of the multi-path constant current output driving plate is abnormal, thereby providing maintenance basis for subsequent maintenance personnel and reducing maintenance difficulty and time. The program downloading module automatically downloads the program into the multipath constant current output driving board after the system is started, so that the step of detecting the multipath constant current output driving board by a detector is extremely simple, and only one-key operation is needed from the beginning to the end of detection. Therefore, the invention has the characteristics of high detection accuracy, high detection efficiency, simple operation and the like. The detection system can independently detect the output voltage and the output current of each constant current circuit so as to pick out a faulty multipath constant current output driving plate.
It should be noted that the above list is only one specific embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible, and that in any case all variations that can be directly derived or suggested by a person skilled in the art from the disclosure of the invention shall be considered as the protective scope of the invention.
Claims (6)
1. The rapid detection system of the multipath constant current output driving plate is used for detecting whether the multipath constant current output driving plate has faults or not and comprises a multipath constant current output driving plate (7), and is characterized by further comprising an AD/DC power module (1), a misoperation starting module (2), a communication detection and display module (3), a current and voltage detection feedback module (4), an LED load module (5) and a program downloading module (6), wherein the AD/DC power module (1) is connected with the communication detection and display module (3) through the misoperation starting module (2), the communication detection and display module (3) is connected with the current and voltage detection feedback module (4) through the multipath constant current output driving plate (7), the current and voltage detection feedback module (4) is connected with the communication detection and display module (3), and the program downloading module (6) and the LED load module (5) are both connected with the multipath constant current output driving plate (7); the AD/DC power supply module (1) is used for connecting a 100-240V alternating current power supply; the misoperation starting module (2) is used for providing DC power for the communication detection and display module (3).
2. The rapid detection system of a multi-path constant current output driving board according to claim 1, wherein the program downloading module (6) is used for automatically downloading the program into the multi-path constant current output driving board (7).
3. The rapid detection system of the multi-path constant current output driving board according to claim 1, wherein the current and voltage detection feedback module (4) feeds back the detected electrical parameters of the multi-path constant current output driving board (7) and the LED load module (5) to the communication detection and display module (3).
4. The rapid detection system of the multi-path constant current output driving board according to claim 1, wherein the communication detection and display module (3) is used for judging whether the constant current circuit of the multi-path constant current output driving board (7) is normal or not through the feedback of the electric parameters by the current and voltage detection feedback module (4).
5. The rapid detection system of a multi-path constant current output driving board according to claim 1, wherein the misoperation starting module (2) comprises a socket J1, a fuse F1, a toggle switch SW1, a voltage stabilizing diode D1, a bidirectional TVS diode TVS1, a capacitor C1, a transformer L, a capacitor C4, a polarity capacitor CD1, a polarity capacitor CD2, and a power supply vcc_in, the transformer L comprises a primary coil L1 and a secondary coil L2, one end of the socket J1 is connected with one end of the bidirectional TVS diode TVS1, the other end of the socket J1 is connected with a power supply vcc_in, the other end of the socket J1 is connected with a toggle switch SW1 through a fuse F1, the toggle switch SW1 is connected with the other end of the bidirectional TVS diode TVS1 through a voltage stabilizing diode D1, one end of the bidirectional TVS diode TVS1 is connected with one end of the primary coil L1 IN parallel, the other end of the bidirectional TVS diode TVS1 is connected with one end of the secondary coil L2, the other end of the bidirectional TVS diode TVS1 is connected with the other end of the capacitor CD 4 is connected with the other end of the secondary coil GND 4, and the other end of the bidirectional TVS diode TVS1 is connected with the other end of the capacitor CD 4 is connected with the other end of the ground.
6. The rapid detection system of a multi-path constant current output driving board according to claim 5, wherein the misoperation starting module (2) further comprises a capacitor C2, a capacitor C3, a capacitor C5 and a capacitor C6, the capacitor C2 and the capacitor C3 are both connected with the capacitor C1 in parallel, and the capacitor C5 and the capacitor C6 are both connected with the capacitor C4 in parallel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434265.0A CN108495420B (en) | 2018-05-09 | 2018-05-09 | Rapid detection system of multipath constant-current output driving plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810434265.0A CN108495420B (en) | 2018-05-09 | 2018-05-09 | Rapid detection system of multipath constant-current output driving plate |
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| CN108495420A CN108495420A (en) | 2018-09-04 |
| CN108495420B true CN108495420B (en) | 2023-11-28 |
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| CN107155238A (en) * | 2017-06-13 | 2017-09-12 | 深圳民爆光电技术有限公司 | A kind of multiple-channel output constant current driver circuit for LED and driving method |
| CN107493616A (en) * | 2016-06-13 | 2017-12-19 | 重庆市凡普特光电科技有限责任公司 | A kind of LED load constant-current driving power supply circuit |
| CN208258134U (en) * | 2018-05-09 | 2018-12-18 | 福建吉艾普光影科技有限公司 | A kind of rapid detection system of multiple constant current output driving plate |
-
2018
- 2018-05-09 CN CN201810434265.0A patent/CN108495420B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821553U (en) * | 2010-09-19 | 2011-05-04 | 英飞特电子（杭州）有限公司 | Open-circuit protecting circuit of light emitting diode constant-current driving circuit |
| CN105992435A (en) * | 2015-02-12 | 2016-10-05 | 上海含英微电子有限公司 | Anti-interference LED overvoltage protection module and anti-interference LED overvoltage protection system |
| CN104883780A (en) * | 2015-05-19 | 2015-09-02 | 深圳创维－Rgb电子有限公司 | Multichannel dual-mode digital control LED driving circuit and LED lamp |
| CN107493616A (en) * | 2016-06-13 | 2017-12-19 | 重庆市凡普特光电科技有限责任公司 | A kind of LED load constant-current driving power supply circuit |
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| CN208258134U (en) * | 2018-05-09 | 2018-12-18 | 福建吉艾普光影科技有限公司 | A kind of rapid detection system of multiple constant current output driving plate |
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Address after: 350026 2F and 3F, Workshop 13, fuwanyuan, Jinshan Industrial Concentration Zone, No. 869, Panyu Road, Gaishan Town, Cangshan District, Fuzhou City, Fujian Province Applicant after: FUJIAN JIAIPU LIGHT AN SHADOW TECHNOLOGY Co.,Ltd. Address before: 350026 Fuzhou City, Cangshan Province, the town of Pu Pu village in the back door of the room No. 3036, No. 122 (Free Trade Zone) Applicant before: FUJIAN JIAIPU LIGHT AN SHADOW TECHNOLOGY Co.,Ltd. |
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