CN201387467Y - I/O analog test board for electronic police - Google Patents
I/O analog test board for electronic police Download PDFInfo
- Publication number
- CN201387467Y CN201387467Y CN200920068208U CN200920068208U CN201387467Y CN 201387467 Y CN201387467 Y CN 201387467Y CN 200920068208 U CN200920068208 U CN 200920068208U CN 200920068208 U CN200920068208 U CN 200920068208U CN 201387467 Y CN201387467 Y CN 201387467Y
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- CN
- China
- Prior art keywords
- electronic police
- test board
- groups
- keyswitches
- lamp control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an I/O analog test board for an electronic police. The I/O analog test board comprises a base plate, and eight key switches, four self-locking key switches, four light emitting diodes, four resistors, one receptacle and eight earth wires which are positioned on the base plate; wherein one of the light emitting diodes is connected with one of the resistors in series to form four lamp control groups, the four lamp control groups and the eight earth wires are respectively connected with the eight key switches and the four self-locking key switches in parallel and respectively and electrically connected with the receptacle; preferably, the base plate is a PCB printed board, the resistors are 270 ohm resistors, and the receptacle is a DB25/M pin receptacle. The I/O analog test board can also comprise a connecting line, DB25/F pin receptacles are arranged at the two ends of the connecting line, and the pins having the same serial number in the two DB25/F pin receptacles are connected correspondingly. The I/O analog test board has the advantages that the test board is light, small and easy to carry, and the working efficiency is greatly improved.
Description
Technical field
The utility model relates to wiring board detection technique field, and particularly electronic police I/O plate detection technique field specifically is meant a kind of electronic police I/O simulation test plate.
Background technology
Along with popularizing day by day of China's intelligent transportation system and developing rapidly of science and technology, the application of electronic police more and more widely.But when present indoor detection of electronic police I/O plate and maintenance, the subject matter of existence is:
1, in indoor detection and when maintenance,, required testing apparatus is more, and it is bigger to take up space, and moves inconveniently, influences work efficiency;
When 2, outdoor mounted was debugged and keeped in repair, required testing apparatus was more, and inconvenience is carried.
Therefore, electronic police I/O plate detects in the laboratory and breaks down when needing repairing, and needs the signal of test many, and required testing apparatus is more, and the corresponding space that occupies is bigger, brings big inconvenience to work, has influenced work efficiency.
In view of above problem, detect and inconvenience during maintenance at electronic police I/O plate, need a kind of simply light, small and exquisite, simulation test plate of being easy to carry about with one of exploitation.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, and a kind of electronic police I/O simulation test plate is provided, and this electronic police I/O simulation test plate is simply light, small and exquisite, be easy to carry about with one, and has greatly improved work efficiency.
To achieve these goals, electronic police I/O simulation test plate of the present utility model has following formation:
This electronic police I/O simulation test plate, be characterized in, comprise substrate and be positioned at 8 keyswitches on the described substrate, 4 self-locking keyswitches, 4 light emitting diodes, 4 resistance, 1 socket and 8 ground wires, thereby a described light emitting diode is connected with a described resistance and is formed 4 groups of lamp control groups, 4 groups of described lamp control groups and 8 described ground wires are in parallel with 8 described keyswitches and 4 described self-locking keyswitches respectively, and are electrically connected with described socket respectively.
Preferably, described substrate is the PCB printed panel.
Preferably, described resistance is 270 Ohmages.
Preferably, described socket is the DB25/M needle socket.
More preferably, also comprise connecting line, described connecting line two ends are the DB25/F spring hole scoket, and the pin that sequence number is identical in the two described DB25/F spring hole scokets is corresponding to link to each other.
The utility model simulates by 8 keyswitches that 8 groups of car test signals, 4 self-locking keyswitches are simulated 4 groups of red signals, 4 light emitting diodes are simulated 4 groups of lamp control signals, test 8 groups of car test signals of electronic police I/O plate, 4 groups of red signals and 4 groups of lamp control signals respectively, simply light, small and exquisite, be easy to carry about with one, greatly improved work efficiency.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the present utility model.
Fig. 2 is the schematic diagram of specific embodiment shown in Figure 1.Wherein LOOP represents the car test signal; RED represents red signal; OUTPUT represents lamp control signal; LED represents light emitting diode; S1-S8 represents keyswitch; S9-S12 represents the self-locking keyswitch; R1-R4 is 270 Ohmages; GND represents ground connection; NC represents not connect.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also illustrated in figures 1 and 2, electronic police I/O simulation test plate of the present utility model, comprise substrate 1 and 14,1 socket 15 of 13,4 resistance of 12,4 light emitting diodes of 11,4 self-locking keyswitches of 8 keyswitches and 8 ground wire (not shown) of being positioned on the described substrate 1, thereby a described light emitting diode 13 is connected with a described resistance 14 and is formed 4 groups of lamp control groups, 4 groups of described lamp control groups and 8 described ground wires are in parallel with the described self-locking keyswitch of 8 described keyswitches 11 and 4 12 respectively, and are electrically connected with described socket 15 respectively.
Preferably, described substrate 1 is the PCB printed panel.In a specific embodiment of the present utility model, the size of PCB printed panel is 11cm * 11cm.
In a specific embodiment of the present utility model, described resistance 14 is 270 Ohmages.
Preferably, described socket 15 is DB25/M needle sockets.
In a specific embodiment of the present utility model, also comprise the connecting line (not shown), described connecting line two ends are the DB25/F spring hole scoket, and the pin that sequence number is identical in the two described DB25/F spring hole scokets is corresponding to link to each other.Have 24 signal wires (8 car test signal wires, 4 red signal lines, 4 lamp control signal lines, 8 ground wires).
The signal that I/O plate in the electronic police need be tested has 8 groups of car test signals, 4 groups of red signals, 4 groups of lamp control signals.8 groups of car test signals of 8 keyswitches, 11 simulations of the present utility model.When pressing the 1st keyswitch 11, the corresponding ground connection of this group signal becomes low level by high level, can see that first coil signal becomes low level by high level in electronic police check-out console test procedure.During trip switch, signal becomes high level by low level again.So just formed 1 recessed pulse signal, the width of pulse depends on the time of the switch 11 that pushes button.8 keyswitches 11 of sequential operation can be tested the quality of 8 groups of car test signal corresponding circuits.
4 groups of red signals of 4 self-locking keyswitches, 12 simulations of the present utility model.When pressing the 1st self-locking keyswitch 12, the corresponding ground connection of this group signal becomes low level by high level, can see that first red signal becomes low level by high level in electronic police check-out console test procedure.During trip switch, because be the keyswitch of band self-locking, so signal is still kept low level.Have only and press again and unclamp this button, signal just has low level and becomes high level.4 self-locking keyswitches 12 of sequential operation can be tested the quality of 4 groups of red signal corresponding circuits.
4 groups of lamp control signals of 4 light emitting diodes, 13 simulations of the present utility model.Push first lamp control test button in electronic police check-out console test procedure, the 1st light emitting diode 13 lighted.4 lamp controls of sequential operation button can be tested the quality of 4 groups of lamp control signal corresponding circuits.
After more than test is all passed through, just can determine that electronic police I/O plate is good.If the circuit of damage is arranged, keep in repair accordingly and get final product.
To sum up, electronic police I/O simulation test plate of the present utility model is simply light, small and exquisite, be easy to carry about with one, and greatly improved work efficiency.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. electronic police I/O simulation test plate, it is characterized in that, comprise substrate and be positioned at 8 keyswitches on the described substrate, 4 self-locking keyswitches, 4 light emitting diodes, 4 resistance, 1 socket and 8 ground wires, thereby a described light emitting diode is connected with a described resistance and is formed 4 groups of lamp control groups, 4 groups of described lamp control groups and 8 described ground wires are in parallel with 8 described keyswitches and 4 described self-locking keyswitches respectively, and are electrically connected with described socket respectively.
2. electronic police I/O simulation test plate according to claim 1 is characterized in that described substrate is the PCB printed panel.
3. electronic police I/O simulation test plate according to claim 1 is characterized in that described resistance is 270 Ohmages.
4. electronic police I/O simulation test plate according to claim 1 is characterized in that described socket is the DB25/M needle socket.
5. electronic police I/O simulation test plate according to claim 4 is characterized in that also comprise connecting line, described connecting line two ends are the DB25/F spring hole scoket, and the pin that sequence number is identical in the two described DB25/F spring hole scokets is corresponding to link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068208U CN201387467Y (en) | 2009-02-27 | 2009-02-27 | I/O analog test board for electronic police |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068208U CN201387467Y (en) | 2009-02-27 | 2009-02-27 | I/O analog test board for electronic police |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201387467Y true CN201387467Y (en) | 2010-01-20 |
Family
ID=41580002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920068208U Expired - Lifetime CN201387467Y (en) | 2009-02-27 | 2009-02-27 | I/O analog test board for electronic police |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201387467Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979915A (en) * | 2010-08-05 | 2011-02-23 | 上海闻泰电子科技有限公司 | Method for improving bright uniformity of LED lamps |
-
2009
- 2009-02-27 CN CN200920068208U patent/CN201387467Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979915A (en) * | 2010-08-05 | 2011-02-23 | 上海闻泰电子科技有限公司 | Method for improving bright uniformity of LED lamps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100120 |