CN205958686U - Wiring detection circuitry - Google Patents
Wiring detection circuitry Download PDFInfo
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- CN205958686U CN205958686U CN201620865575.4U CN201620865575U CN205958686U CN 205958686 U CN205958686 U CN 205958686U CN 201620865575 U CN201620865575 U CN 201620865575U CN 205958686 U CN205958686 U CN 205958686U
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Abstract
The utility model discloses a wiring detection circuitry, including switch element, first resistance, second resistance and wiring state indicating device, switch element's first end passes through first ohmic connection to first voltage end, switch element's second end passes through wiring state indicating device ground connection, switch element's control end passes through the 2nd grounding, switch element's first end still loop through first detection line and second detection line with switch element's control end is connected. Adopt the utility model discloses the wiring that can realize low cost, high reliability detects.
Description
Technical field
This utility model is related to electronic technology field, more particularly, to a kind of wiring detection circuit.
Background technology
When electronic equipment produces, by being accomplished manually, connecting line is inserted Wrong, missing and is inserted or part for the connection of whole machine Internal cable
The situation of PIN needle loose contact (plug is inserted askew) happens occasionally.Producing line workman is mainly passed through in the inspection of the whole machine wiring technique of tradition
Completing, reliability is relatively low for visual inspection, once occurring omitting, may lead to have assembled the whole machine completing and tearing machine open and do over again, cost is very
High.
For detecting whether each terminal is reliably connected by connecting line, existing technical scheme mainly includes following three at present
Kind：
Scheme one：Test point is reserved on circuit board each key signal circuit, by thimble, the key signal on plate is passed
Transport to special testing equipment, the connectedness that testing equipment passes through output and receives electrical signal detection circuit, using this scheme also
Some electrical performance indexes can be detected.However, the cost of testing equipment is often higher employed in such scheme.
Scheme two：Automatic detection by realizing of Robot Vision whole machine packaging technology.Using ultra high-definition picture catching or red
The modes such as outer scanning obtain image information, then these information are changed into the data of specific format, and are compared with normal data
Right, judge whether circuit is reliably connected according to comparison result, at present this technology in large scale, the whole machine assembling of high complexity still
There are many limitations, the discordance of such as artificial cabling is often difficult to differentiate, the image detecting technique of large scale equipment is still immature
Deng, and equipment cost is very high.
Scheme three：Using the artificial cognition of instrument auxiliary, such as producing line workman uses the equipment such as circuit tester test connectedness etc.,
It belongs to the expansion of manual detection, and accuracy rate is higher than visual inspection, but still cannot be avoided the problems such as carelessness and omission wiring.
Content of the invention
The purpose of this utility model is, provides a kind of wiring detection circuit, improves the reliability of wiring detection, and reduction connects
The cost of line detection.
To achieve these goals, this utility model provides a kind of wiring detection circuit, including switch element, the first electricity
Resistance, second resistance and wiring state instruction device；
The first end of described switch element is connected to first voltage end by described first resistor；
Second end of described switch element is grounded by described wiring state instruction device；
The control end of described switch element is grounded by described second resistance；
The first end of described switch element also passes sequentially through the first detection line and the second detection line and described switch element
Control end connects.
Preferred embodiment central in one kind, described switch element is PNP type triode, the first of described switch element
Hold the emitter stage for described audion, the second end of described switch element is the colelctor electrode of described audion, described switch element
Control end be described audion base stage.
In the middle of another preferred embodiment, described switch element is P-channel field-effect transistor (PEFT) pipe, described switch element
First end is the source electrode of described field effect transistor, and the second end of described switch element is the drain electrode of described field effect transistor, described switch
The control end of element is the grid of described field effect transistor.
Preferably, described wiring state instruction device includes one of light emitting diode and buzzer or two kinds.
Further, described circuit also includes mainboard and feature board；
Described switch element, described first resistor, described second resistance and described wiring state instruction device are arranged at institute
State on mainboard；
It is attached by the circuit on described feature board between described first detection line and described second detection line.
Preferably, described mainboard is provided with the first socket, described feature board is provided with the second socket；Described first inserts
First detection port and the second detection port are provided with seat；3rd detection port and the 4th inspection are provided with described second socket
Survey port；
The first end of described switch element also passes sequentially through the first detection line and the second detection line and described switch element
Control end connection is specially：
The first end of described switch element is connected with the described first detection port, and described first detection port is by described the
One detection line is connected with the described 3rd detection port, and the circuit on described feature board and described the are passed through in described 3rd detection port
Four detection ports connect, and described 4th detection port is connected with the described second detection port by described second detection line.
Preferably, described first socket and described second socket are provided with signal transmission port, described first socket
Signal transmission port and the signal transmission port of described second socket between connected by holding wire.
Preferably, described first detection port and described second detection port are outermost two ends of described first socket
Mouthful, described 3rd detection port and the described 4th detects that port is outermost two ports of described second socket.
This utility model is examined to the connection status of the first detection line and the second detection line by simple on-off circuit
Survey, the connection status according to the first detection line and the second detection line controls the logical of the performance loop of described wiring state instruction device
Disconnected, to indicate to different connection status, can achieve the wiring detection of low cost, high reliability.
Brief description
Fig. 1 is the structural representation of the embodiment of wiring detection circuit that this utility model provides；
Fig. 2 is the structural representation of another embodiment of wiring detection circuit that this utility model provides.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.
Referring to Fig. 1, it is the structural representation of the embodiment of wiring detection circuit that this utility model provides.
Described wiring detection circuit, indicates dress including switch element Q1, first resistor R1, second resistance R2 and wiring state
Put L1.
The first end of described switch element Q1 is connected to first voltage end V_STB by described first resistor R1.
Second end of described switch element Q1 is grounded by described wiring state instruction device L1.
The control end of described switch element Q1 is grounded by described second resistance R2.
The first end of described switch element Q1 also passes sequentially through the first detection line X1 and the second detection line X2 and described switch
The control end of element Q1 connects.
In the middle of be embodied as, described first detection line X1 and described second detection line X2 are common connecting line, can be with
Other holding wires grafting together of connection terminal, with the detection of the line states that achieve a butt joint.
Preferred embodiment central in one kind, as shown in figure 1, described switch element Q1 is PNP type triode, described open
The first end closing element Q1 is the emitter stage of described audion, and second end of described switch element Q1 is the current collection of described audion
Pole, the control end of described switch element Q1 is the base stage of described audion.
In the middle of another preferred embodiment, described switch element Q1 is P-channel field-effect transistor (PEFT) pipe, described switch element
The first end of Q1 is the source electrode of described field effect transistor, and second end of described switch element Q1 is the drain electrode of described field effect transistor, institute
The control end stating switch element Q1 is the grid of described field effect transistor.
It should be noted that the switch element in above-mentioned preferred implementation is merely illustrative, it is being embodied as working as
In, described switch element can be for arbitrarily realizing the element of connecting and disconnecting of the circuit control by control end, and this utility model is to this not
It is restricted, those skilled in the art can be selected according to actual needs.
Described wiring state instruction device L1 is the element that the connection status to detection line plays indicative function, preferably includes to send out
One of optical diode and buzzer or two kinds.
So that dress is indicated as switch element and using light emitting diode as described wiring state using PNP type triode
It is set to example, the operation principle of the wiring detection circuit that the present embodiment provides is as follows：When the first detection line X1 and the second detection line X2
When being reliably connected, the emitter stage of audion Q1 and base stage are pulled to high level (whole machine needs to connect electricity), audion by resistance R1
Q1 ends, and light emitting diode L1 does not work.(mean even when the first detection line X1 and/or the second detection line X2 disconnect
Wiring leakage is inserted or is not seated completely), then the emitter stage of audion Q1 is pulled to high level yet by resistance R1, and audion Q1
Base stage is pulled down to low level in resistance R2, and audion Q1 turns on, and light emitting diode L1 works, and points out connecting line not connect.
This utility model is examined to the connection status of the first detection line and the second detection line by simple on-off circuit
Survey, the connection status according to the first detection line and the second detection line controls the logical of the performance loop of described wiring state instruction device
Disconnected, to indicate to different connection status, can achieve the wiring detection of low cost, high reliability.
Referring to Fig. 2, it is the structural representation of another embodiment of wiring detection circuit that this utility model provides.This reality
The described wiring detection circuit applying example offer, on the basis of embodiment illustrated in fig. 1, further comprises mainboard 21 and feature board
22.
In the middle of existing electronic equipment, generally adopt modular design, integrate various function on different boards,
Mainboard and feature board can be divided into by the importance of its carried on a shoulder pole role in circuit, described mainboard is also known as motherboard, system board, logic
Plate, motherboard and base plate etc., are center or the main circuit boards constituting Complex Electronic Systems Based such as electronic computer.Described feature board
Also known as from plate and daughter board, being to realize a certain in electronic system or some specific functions circuit board.As in the middle of television set, described
Mainboard can be TV motherboard, and described feature board can be screen driving plate, power panel or keypad.
Described switch element Q1, described first resistor R1, described second resistance R2 and described wiring state instruction device L1
It is arranged on described mainboard 21.
Carried out even by the circuit on described feature board 22 between described first detection line X1 and described second detection line X2
Connect.
Further, described mainboard 21 is provided with the first socket S1, described feature board 22 is provided with the second socket S2.
First detection port 1 and the second detection port 2 are provided with described first socket S1.It is provided with the 3rd on described second socket S2
Detection port 3 and the 4th detection port 4.
The first end of described switch element Q1 passes sequentially through the first detection line X1 and the second detection line X2 and described switch unit
The control end connection of part Q1 is specially：
The first end of described switch element Q1 is connected with the described first detection port 1, and institute is passed through in described first detection port 1
State the first detection line X1 to be connected with the described 3rd detection port 3, the line on described feature board 22 is passed through in described 3rd detection port 3
Road is connected with the described 4th detection port 4, and described 4th detection port 4 is by described second detection line X2 and described second detection
Port 2 connects.
Signal transmission port is provided with described first socket S1 and described second socket S2, described first socket S1's
Connected by holding wire between the signal transmission port of signal transmission port and described second socket S2.
For improving the accuracy of wiring detection, described first detection port 1 and described second detection port 2 are preferably described
Outermost two ports of first socket S1, described 3rd detection port 3 and described 4th detection port 4 are preferably described second
Outermost two ports of socket S2.By detecting the break-make situation of outermost two detection lines, to judge between two sockets
Whether by connecting line whether good connection.
In sum, this utility model passes through simple on-off circuit, automatic detection first detection line after electricity on circuit
With the break-make situation of the second detection line, and on this basis by wiring state instruction device carry out dock line states referred to
Show, realize wiring detection function.This utility model circuit is simple, and cost is extremely low, without hand inspection, judgement, it is to avoid artificial
The careless omission that factor leads to, whole process is realized by the means of pure hardware, participates in without software and controller, without by it
Its equipment, can complete the detection of wiring in final assembly link, be conducive to improving the reliability of assembling wiring process.
The above is preferred implementation of the present utility model it is noted that ordinary skill for the art
For personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a kind of wiring detection circuit refers to it is characterised in that including switch element, first resistor, second resistance and wiring state
Showing device；
The first end of described switch element is connected to first voltage end by described first resistor；
Second end of described switch element is grounded by described wiring state instruction device；
The control end of described switch element is grounded by described second resistance；
The first end of described switch element also passes sequentially through the control of the first detection line and the second detection line and described switch element
End connects.
2. wiring detection circuit as claimed in claim 1 is it is characterised in that described switch element is PNP type triode, described
The first end of switch element is the emitter stage of described audion, and the second end of described switch element is the current collection of described audion
Pole, the control end of described switch element is the base stage of described audion.
3. wiring detection circuit as claimed in claim 1 it is characterised in that described switch element be P-channel field-effect transistor (PEFT) pipe, institute
The first end stating switch element is the source electrode of described field effect transistor, and the second end of described switch element is the leakage of described field effect transistor
Pole, the control end of described switch element is the grid of described field effect transistor.
4. wiring detection circuit as claimed in claim 1 is it is characterised in that described wiring state instruction device includes luminous two
One of pole pipe and buzzer or two kinds.
5. the wiring detection circuit as described in any one of Claims 1 to 4 it is characterised in that described circuit also include mainboard and
Feature board；
Described switch element, described first resistor, described second resistance and described wiring state instruction device are arranged at described master
On plate；
It is attached by the circuit on described feature board between described first detection line and described second detection line.
6. wiring detection circuit as claimed in claim 5 is it is characterised in that being provided with the first socket on described mainboard, described
Second socket is provided with feature board；First detection port and the second detection port are provided with described first socket；Described
3rd detection port and the 4th detection port are provided with two sockets；
The first end of described switch element also passes sequentially through the control of the first detection line and the second detection line and described switch element
End connection is specially：
The first end of described switch element is connected with the described first detection port, and described first detection port is examined by described first
Survey line is connected with the described 3rd detection port, and circuit and described 4th inspection on described feature board are passed through in described 3rd detection port
Survey port to connect, described 4th detection port is connected with the described second detection port by described second detection line.
7. wiring detection circuit as claimed in claim 6 it is characterised in that on described first socket and described second socket all
It is provided with signal transmission port, between the signal transmission port of the signal transmission port of described first socket and described second socket
Connected by holding wire.
8. wiring detection circuit as claimed in claim 7 is it is characterised in that described first detection port and described second is detected
Port is outermost two ports of described first socket, and described 3rd detection port and described 4th detection port are described the
Outermost two ports of two sockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865575.4U CN205958686U (en) | 2016-08-10 | 2016-08-10 | Wiring detection circuitry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865575.4U CN205958686U (en) | 2016-08-10 | 2016-08-10 | Wiring detection circuitry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958686U true CN205958686U (en) | 2017-02-15 |
Family
ID=57975464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865575.4U Active CN205958686U (en) | 2016-08-10 | 2016-08-10 | Wiring detection circuitry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958686U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277404A (en) * | 2017-07-11 | 2017-10-20 | 深圳Tcl新技术有限公司 | Core of TV set component |
| CN107907775A (en) * | 2017-09-30 | 2018-04-13 | 中车青岛四方机车车辆股份有限公司 | Wiring detection method and wiring testing device |
| CN110095683A (en) * | 2019-04-12 | 2019-08-06 | 华勤通讯技术有限公司 | A kind of equipment detection method and device |
-
2016
- 2016-08-10 CN CN201620865575.4U patent/CN205958686U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277404A (en) * | 2017-07-11 | 2017-10-20 | 深圳Tcl新技术有限公司 | Core of TV set component |
| CN107277404B (en) * | 2017-07-11 | 2020-08-21 | 深圳Tcl新技术有限公司 | Television core assembly |
| CN107907775A (en) * | 2017-09-30 | 2018-04-13 | 中车青岛四方机车车辆股份有限公司 | Wiring detection method and wiring testing device |
| CN110095683A (en) * | 2019-04-12 | 2019-08-06 | 华勤通讯技术有限公司 | A kind of equipment detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |