CN214174584U - Current detection device - Google Patents
Current detection device Download PDFInfo
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- CN214174584U CN214174584U CN202022128451.7U CN202022128451U CN214174584U CN 214174584 U CN214174584 U CN 214174584U CN 202022128451 U CN202022128451 U CN 202022128451U CN 214174584 U CN214174584 U CN 214174584U
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 210000000056 organ Anatomy 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 241001417501 Lobotidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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Abstract
The utility model discloses a current detection device, which comprises a housin, be provided with left drive circuit board, right drive circuit board, flash of light bee calling organ group, single-pole double-throw switch and two bound warning ampere meters, two in the casing the bound warning ampere meter all is connected with flash of light bee calling organ group, left drive circuit board, right drive circuit board and power, single-pole double-throw switch and flash of light bee calling organ group, left drive circuit board, right drive circuit board and power are connected, left drive circuit board and right drive circuit board all are connected with LED banks group and power, and the high-efficient current test and the detection of lighting a lamp when having a plurality of lamps to the LED lamp plate that realizes.
Description
Technical Field
The utility model relates to an optical testing technical field especially relates to a current detection device.
Background
In the SMT process of the automobile lamp module, a plurality of inspection programs are required, wherein one important inspection program is to perform current detection on the LED lamp panel with the mounted components, and judge whether the current is normal or not after the LED lamp panel is lightened, and the process is called lighting test.
In the prior art, there are two current detection methods for the LED lamp panel, one is to connect a multimeter in series between the driving circuit board and the LED lamp panel for testing, and the other is to find a special lighting fixture manufactured by a professional fixture manufacturer. The first test method is complex, only one lamp on one LED lamp panel can be measured at one time, and a plurality of lamps such as brake lamps, position lamps and the like are arranged on some LED lamp panels, so that the test time is prolonged, the working efficiency is reduced, the test method is lack of an alarm function, and staff are easy to miss in a large amount of tests, and defective products are regarded as good products; the second method has a long design cycle and high investment cost, so that the requirements of manufacturers and customers cannot be met.
Therefore, how to effectively improve the efficiency of the LED lamp panel with multiple lamps in the current test and lighting detection is a technical problem that needs to be solved by the related technical personnel.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a current detection device for current test and lighting detection when the LED lamp panel is provided with a plurality of lamps in a high-efficient manner.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a current detection device, includes the casing, be provided with left drive circuit board, right drive circuit board, the buzzer group that glistens, single-pole double-throw switch and two bound alarm current meters, two in the casing upper and lower bound alarm current meters all with glisten buzzer group, left drive circuit board, right drive circuit board and power connection, single-pole double-throw switch and glisten buzzer group, left drive circuit board, right drive circuit board and power connection, left drive circuit board and right drive circuit board all are connected with LED lamp panel group and power.
The utility model provides a pair of current detection device, its beneficial effect is: the current detection system is formed by connecting and electrifying related devices such as an upper limit alarm ammeter, a lower limit alarm ammeter, a power supply, a flashing buzzer, a left driving circuit board, a right driving circuit board, a single-pole double-throw switch and the like; the single-pole double-throw switch is only required to be shifted left and right, current testing can be carried out on the two lamps on the left side and the two lamps on the right side, the upper and lower limit alarm ammeter can automatically judge the upper and lower limits of the current and alarm, the working efficiency is improved, and when current detection is carried out on the LED lamp panels of other models, the testing requirements can be met only by replacing the driving circuit board inside the device, and the development period and the cost of the lighting fixture are saved.
Further, the shell comprises a base and an upper cover, and the base and the upper cover are connected through a plurality of bolts, so that the shell is convenient to mount and dismount.
Furthermore, two current display through holes are formed in the upper cover, and the upper limit alarm ammeter and the lower limit alarm ammeter are respectively arranged in the two current display through holes, so that the upper limit alarm ammeter and the lower limit alarm ammeter can be conveniently installed, and the installation stability of the upper limit alarm ammeter and the lower limit alarm ammeter is improved.
Further, the power can also be connected with detection line and voltmeter, the voltage display through-hole has been seted up on covering, the voltmeter sets up in the voltage display through-hole for real-time detection output voltage guarantees output voltage's stability, and the voltmeter installation of being convenient for of voltage display through-hole improves the installation stability of voltmeter.
Furthermore, the upper cover is provided with a buzzer mounting hole, the flash buzzer is arranged in the buzzer mounting hole, the flash buzzer is convenient to mount, and the mounting stability of the flash buzzer is improved.
Furthermore, a single-pole double-throw switch mounting hole is formed in the upper cover, and the single-pole double-throw switch is arranged in the single-pole double-throw switch mounting hole, so that the single-pole double-throw switch is convenient to mount, and the mounting stability of the single-pole double-throw switch is improved.
Furthermore, a power supply mounting hole is formed in the base, and a socket connected with the power supply is arranged in the power supply mounting hole, so that the stability of power supply connection is facilitated.
Further, flash of light bee calling organ group includes two flash of light bee calling organ, two upper and lower limit warning ampere meter is connected with two flash of light bee calling organ respectively, two flash of light bee calling organ all is connected with single-pole double-throw switch, realizes testing a plurality of lamps on the LED lamp plate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic diagram of device connections.
In the figure:
1-a shell; 2-upper and lower limit alarm ammeter; 3-flashing buzzer; 4-left drive circuit board; 5-single pole double throw switch; 6-LED lamp panel group; 7-a base; 8-upper cover; 9-a power supply; 10-a voltmeter; 11-right driving circuit board.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the attached drawings 1-3, a lighting fixture comprises a shell 1, a left driving circuit board 4, a right driving circuit board 11, a flash buzzer set 3, a single-pole double-throw switch 5 and two upper and lower limit alarm ammeters 2 are arranged in the shell 1, the flash buzzer set 3 comprises two flash buzzers, the two upper and lower limit alarm ammeters 2 are respectively connected with the two flash buzzers, the two flash buzzers are respectively connected with the single-pole double-throw switch 5, the two upper and lower limit alarm ammeters 2 are respectively connected with the left driving circuit board 4 and the right driving circuit board 11, the single-pole double-throw switch 5 is connected with the left driving circuit board 4, the right driving circuit board 11 and a power supply 9, the left driving circuit board 4, the right driving circuit board 11 and the two upper and lower limit alarm ammeters 2 are respectively connected with an LED lamp panel 6 and the power supply 9, the LED lamp panel set 6 comprises a left LED lamp panel and a right LED lamp panel, the left driving circuit board 4 and the right driving circuit board 11 are respectively connected with the left LED lamp panel and the right LED lamp panel;
the shell 1 comprises a base 7 and an upper cover 8, wherein the base 7 and the upper cover 8 are both made of ABS materials, the base 7 and the upper cover 8 are connected through a plurality of bolts, the upper cover 8 is provided with two current display through holes, two upper and lower limit alarm current meters 2 are respectively arranged in the two current display through holes, the current display through holes are 99mm 44mm in size, the upper cover 8 is provided with voltage display through holes, the voltage display through holes are 48mm 29mm in size and rectangular in shape, a voltmeter 10 is arranged in the voltage display through holes, the upper cover 8 is provided with two buzzer mounting holes which are round holes with the diameter of 22mm, two flashers are respectively arranged in the two buzzer mounting holes, the upper cover 8 is provided with a single-pole double-throw switch mounting hole, the single-pole double-throw switch mounting hole is a round hole with the diameter of 12mm, the single-pole double-throw switch 5 is arranged in the single-pole double-throw switch mounting hole, the base 7 is provided with a power supply mounting hole, the socket that is connected with power 9 sets up in the power mounting hole, has seted up two on the base 7 and has LED to the line hole, is the 6mm round hole that is used for extending the pencil of being connected LED lamp plate group with left drive circuit board 4, right drive circuit board 11 respectively.
The specific working process is as follows: the two upper and lower limit alarm ammeters 2 are connected with a flash buzzer 3, a left driving circuit board 4, a right driving circuit board 11 and a power supply 9.
The upper and lower limit alarm ammeter 2 is provided with 20 pins, wherein the pins 11 and 12 are 220AC input ports, the pins 8, 9 and 10 are AL1 relays, the pins 8 and 9 are normally closed ports, the pins 5, 6 and 7 are AL2 relays, the pins 6 and 7 are normally closed ports, the pins 5 and 8 are power supply circuits, the pins 6 and 9 are connected in parallel and then connected with the positive electrodes of the flash buzzers in any flash buzzer 3 group, the AL1 relay is set as an upper limit alarm relay, the AL2 is a lower limit alarm relay, and if the current range to be measured is 140 mA-150 mA, the upper limit alarm relay of AL1 is closed or the lower limit alarm relay of AL2 is closed by setting the upper and lower limit alarm ammeter 2, so that the flash buzzers conduct alarm;
the 18 pins are current detection input ports, anodes of first lamps of the left driving circuit board 4 and the right driving circuit board 11 are connected in parallel and then connected with the 18 pins of any upper and lower limit alarm ammeter 2, anodes of second lamps are connected in parallel and then connected with the 18 pins of the other upper and lower limit alarm ammeter 2, and then the anodes of the second lamps are respectively output to a left LED lamp panel or a right LED lamp panel to be detected from the 20 pins through connecting wire harnesses;
the single-pole double-throw switch 5 is provided with 6 pins, wherein 4 pins and 6 pins are connected in parallel and then connected with the ground level of the power supply 9, the ground poles of the two flash buzzers are connected in parallel and then connected with 4 pins or 6 pins of the single-pole double-throw switch 5, when the single-pole double-throw switch 5 is pulled to the left, the 3 pin is connected with the 4 pins and 6 pins to be grounded, and when the single-pole double-throw switch 5 is pulled to the right, the 1 pin is connected with the 4 pins and 6 pins to be grounded; connecting the ground pole of the left driving circuit board 4 to pin 3 of the single-pole double-throw switch 5, connecting the ground pole of the right driving circuit board 11 to pin 1 of the single-pole double-throw switch 5, when the single-pole double-throw switch 5 is dialed left, the circuit of the left driving circuit board 4 forms a loop, the currents of the left LED lamp board and the right LED lamp board respectively start to supply power for two lamps on the LED lamp board group through the two upper and lower limit alarm ammeters 2, when the single-pole double-throw switch 5 is dialed right, the circuit of the right driving circuit board 11 forms a loop, the currents of the left LED lamp board and the right LED lamp board respectively start to supply power for the two lamps on the LED lamp board group through the two upper and lower limit alarm ammeters 2, and therefore the current detection test is completed;
connecting the positive and negative electrodes of the voltmeter 10 with the positive and negative electrodes of the 5.12V power supply 9, and simultaneously connecting the detection line to the positive electrode of the power supply 9, so that the voltmeter 10 can detect the output voltage of the power supply 9 in real time to ensure the stability of the output voltage;
through connect the circular telegram with above-mentioned relevant device, can form a current detection system, only need control stir single-pole double-throw switch 5, alright carry out the current test to two kinds of lamps on the left side and two kinds of lamps on the right, set up through the upper and lower limit alarm value to upper and lower limit alarm ammeter 2, upper and lower limit alarm ammeter 2 will automatic judgement current upper and lower limits and through control relay and then control flash of light bee calling organ switch on the warning, realize alarming function, and the work efficiency is improved, and simultaneously, to the drive circuit board current detection of other models, only need change the inside drive circuit board of device alright reach the test requirement to the LED lamp plate, realize carrying out the test of lighting a lamp and current test to the LED lamp plate that has a plurality of lamps, and the development cycle and the cost of tool have been practiced thrift.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. A current detection device comprising a case (1), characterized in that: be provided with left drive circuit board (4), right drive circuit board (11), flash of light bee calling organ group (3), single-pole double-throw switch (5) and two bound alarm current table (2), two in casing (1) bound alarm current table (2) all are connected with flash of light bee calling organ group (3), left drive circuit board (4), right drive circuit board (11) and power (9) are connected, single-pole double-throw switch (5) are connected with flash of light bee calling organ group (3), left drive circuit board (4), right drive circuit board (11) and power (9), left side drive circuit board (4) and right drive circuit board (11) all are connected with LED lamp plate group (6) and power (9).
2. A current detecting device according to claim 1, wherein: the shell (1) comprises a base (7) and an upper cover (8), wherein the base (7) is connected with the upper cover (8) through a plurality of bolts.
3. A current detecting device according to claim 2, wherein: two current display through holes are formed in the upper cover (8), and the two upper and lower limit alarm ammeters (2) are respectively arranged in the current display through holes.
4. A current detecting device according to claim 2, wherein: the power supply (9) can be further connected with a detection line and a voltmeter (10), a voltage display through hole is formed in the upper cover (8), and the voltmeter (10) is arranged in the two voltage display through holes.
5. A current detecting device according to claim 2, wherein: the upper cover (8) is provided with a buzzer mounting hole group, and the flash buzzer group (3) is arranged in the buzzer mounting hole group.
6. A current detecting device according to claim 2, wherein: the upper cover (8) is provided with a single-pole double-throw switch mounting hole, and the single-pole double-throw switch (5) is arranged in the single-pole double-throw switch mounting hole.
7. A current detecting device according to claim 2, wherein: the base (7) is provided with a power supply mounting hole, and a socket connected with the power supply (9) is arranged in the power supply mounting hole.
8. A current detecting device according to claim 1, wherein: the flashing buzzer group (3) comprises two flashing buzzers, the upper limit alarm ammeter (2) and the lower limit alarm ammeter (2) are respectively connected with the two flashing buzzers, and the two flashing buzzers are connected with the single-pole double-throw switch (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128451.7U CN214174584U (en) | 2020-09-24 | 2020-09-24 | Current detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128451.7U CN214174584U (en) | 2020-09-24 | 2020-09-24 | Current detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214174584U true CN214174584U (en) | 2021-09-10 |
Family
ID=77591217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022128451.7U Expired - Fee Related CN214174584U (en) | 2020-09-24 | 2020-09-24 | Current detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214174584U (en) |
-
2020
- 2020-09-24 CN CN202022128451.7U patent/CN214174584U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |