CN207832924U - The short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line - Google Patents
The short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line Download PDFInfo
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- CN207832924U CN207832924U CN201721805995.4U CN201721805995U CN207832924U CN 207832924 U CN207832924 U CN 207832924U CN 201721805995 U CN201721805995 U CN 201721805995U CN 207832924 U CN207832924 U CN 207832924U
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Abstract
The utility model provides the short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line, it includes host computer, control unit, position detection unit, transmission unit, voltage detection unit and resistance detection unit；The transmission unit, for pcb board to be sent to precalculated position；The position detection unit, for detecting whether the precalculated position is placed with pcb board；The voltage detection unit detects the voltage value of each test point on pcb board and is transmitted to the host computer when the precalculated position is placed with pcb board；The resistance detection unit detects the resistance value of each test point on pcb board and is transmitted to the host computer when the precalculated position is placed with pcb board；The data that the voltage detection unit and the resistance detection unit detect are compared with preset standard value, store and export display comparison result by the host computer.The utility model has the advantages that highly practical, easy to operate, easy to use, production efficiency is high and product qualification rate is high.
Description
Technical field
The utility model is related to automatic production line pcb board detection technique fields, specifically, relate to a kind of assembly line
The short-circuit detecting and voltage detecting system of upper pcb board.
Background technology
After pcb board completes component welding, need integrally to carry out pcb board short circuit and voltage tester, for detecting
Solder skip in PCB element welding processes, accidentally weldering, rosin joint situations such as cause the short circuit on circuit or the feelings of voltage reference value mistake
Condition ensures product quality to ensure that underproof pcb board does not flow into subsequent handling, and manpower and goods and materials is avoided to waste.
The detection means of pcb board detection at present is mostly the mode of artificial sampling observation or Machine Vision Detection.Wherein machine vision is examined
It surveys and is only capable of carrying out appearance detection to the welding situation of PCB elements from appearance detection, there are certain false detection rates, and can not
The truth of its circuit is detected；In view of test point is more, the intensive PCB of test point detects present situation, manually carries out PCB
It is mostly to inspect by random samples when short circuit or voltage detecting, heavy workload, efficiency is low, artificial error rate is high, and missing inspection, flase drop situation happen occasionally.
If process does not detect pcb board of problems here, subsequent processing is accidentally flowed into, the unnecessary loss of factory will certainly be caused,
Influence overall yield and quality.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Invention content
The purpose of this utility model be in view of the deficiencies of the prior art, it is a kind of highly practical, easy to operate, easy to provide
In use, on the assembly line that production efficiency is high and product qualification rate is high pcb board short-circuit detecting and voltage detecting system.
To achieve the goals above, technical solution used by the utility model is：The short circuit of pcb board on a kind of assembly line
Detection and voltage detecting system, including host computer, control unit, position detection unit, transmission unit, resistance detection unit and electricity
Press detection unit；
The transmission unit, is connected with described control unit, for pcb board to be sent to precalculated position；
The position detection unit, is connected with described control unit, for detecting whether the precalculated position is placed with PCB
Plate；
The voltage detection unit is connected with the host computer, when the precalculated position is placed with pcb board, detects PCB
The voltage value of each test point and it is transmitted to the host computer on plate；
The resistance detection unit is connected with the host computer, when the precalculated position is placed with pcb board, detects PCB
The resistance value of each test point and it is transmitted to the host computer on plate；
The host computer, the data that the voltage detection unit and the resistance detection unit are detected with it is preset
Standard value is compared, and is stored and is exported display comparison result.
Based on above-mentioned, the transmission unit includes the holder for being provided with conveyer belt and the driving for driving the conveyer belt
Device, described control unit control connect the driving device, and the voltage detection unit and the resistance detection unit are along institute
The direction of transfer for stating conveyer belt is set gradually on the bracket.
Based on above-mentioned, the position detection unit uses position-detection sensor.
Based on above-mentioned, which further includes probe tooling, and the probe tooling includes elevating mechanism and is arranged in institute
State the probe unit on elevating mechanism；Described control unit control connects the elevating mechanism, the inspection of the probe unit
Probing needle connects the voltage detection unit and the resistance detection unit by p-wire.
Based on above-mentioned, the elevating mechanism is driven using cylinder.
Based on above-mentioned, the voltage detection unit and the resistance detection unit respectively by communication server with it is described on
Position machine is connected.
Based on above-mentioned, the voltage detection unit uses voltmeter；The resistance detection unit uses ohmmeter.
Based on above-mentioned, described control unit is also associated with acousto-optic warning unit.
The utility model has substantive features and progress compared with the prior art, specifically：
1）The utility model provides the short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line, will be traditional
The process of artificial sampling observation or Machine Vision Detection realized by the detecting system that can be worked continuously, substantially increase detection efficiency and
Production efficiency, meanwhile, it solves the problems, such as manually to inspect by random samples or missing inspection, flase drop situation easily occurs in Machine Vision Detection, it is time saving
It is laborsaving；
2）The utility model is connected using host computer and voltage detection unit and resistance detection unit communication, reads voltage inspection
The test value for surveying unit and resistance detection unit is compared judgement with PCB preset values, obtains test point testing result simultaneously
Record；
In conclusion the utility model has, highly practical, easy to operate, easy to use, production efficiency is high and product closes
The high advantage of lattice rate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is utility model works general flow chart.
Fig. 3 is the detecting system flow chart of the utility model.
Fig. 4 is the short-circuit detecting flow chart of the utility model.
Fig. 5 is the voltage detecting flow chart of the utility model.
Specific implementation mode
Below by specific implementation mode, the technical solution of the utility model is described in further detail.
As shown in attached drawing 1- attached drawings 3, the short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line, it includes upper
Position machine, control unit, position detection unit, transmission unit, voltage detection unit and resistance detection unit；The transmission unit,
It is connected with described control unit, for pcb board to be sent to precalculated position；The position detection unit, with described control unit
It is connected, for detecting whether the precalculated position is placed with pcb board；The voltage detection unit is connected with the host computer, when
When the precalculated position is placed with pcb board, detects the voltage value of each test point on pcb board and be transmitted to the host computer；It is described
Resistance detection unit is connected with the host computer, when the precalculated position is placed with pcb board, detects each test point on pcb board
Resistance value and be transmitted to the host computer；The host computer examines the voltage detection unit and the resistance detection unit
The data of survey are compared with preset standard value, are stored and are exported display comparison result.
The utility model provides a kind of specific implementation mode of transmission unit, and the transmission unit includes being provided with transmission
The holder of band and driving device for driving the conveyer belt, described control unit control connects the driving device, described
Voltage detection unit and the resistance detection unit are set gradually on the bracket along the direction of transfer of the conveyer belt.It is described
Voltage detection unit and the resistance detection unit can be mounted side by side or priority staggered installation.The transmission unit is used for moving
For dynamic pcb board to precalculated position, the precalculated position is the detection station of the voltage detection unit and the voltage detection unit；
After detection, pcb board is removed detection station by transmission unit, and next pcb board is moved into detection station.
The position detection unit is mounted on precalculated position, using position-detection sensor.When the position detection senses
When device detects that pcb board reaches, location status information is transmitted to described control unit；Described control unit is according to the position
Status information controls the voltage value of each test point on the voltage detection unit detection pcb board and is transmitted to the host computer, with
And the control resistance detection unit detects the resistance value of each test point on pcb board and is transmitted to the host computer.
The detecting system further includes probe tooling, and the probe tooling includes elevating mechanism and is arranged in the elevating mechanism
On the probe unit；Described control unit control connects the elevating mechanism, and the detection probe of the probe unit passes through
P-wire connects the voltage detection unit and the resistance detection unit.Described control unit is believed according to the location status
Breath controls the elevating mechanism and rises or push so that detection probe adopts test point resistance, the voltage on pcb board
Collection, to realize that resistance states and voltage status to pcb board test point detect.The elevating mechanism is driven using cylinder.
The voltage detection unit, the resistance detection unit and described control unit pass through communication server and institute respectively
Host computer is stated to be connected.The communication server is by the collected voltage value of the voltage detection unit, the resistance detection unit
Collected resistance value is transmitted to the host computer, is handled, compared and is judged.Described control unit passes through the communication garment
Business device receives the control instruction of the host computer.
The voltage detection unit uses voltmeter；The resistance detection unit uses ohmmeter.
Described control unit is also associated with acousto-optic warning unit, when the upper computer detection to pcb board resistive voltage with
When preset standard value is inconsistent, alarm command is sent to described control unit, control acousto-optic warning unit sends out alarm
Information prompts staff.
Resistance detection unit is arranged in the utility model, and the resistance value by detecting each test point realizes short-circuit detecting, specifically
Workflow it is as shown in Fig. 4.When pcb board disconnects power supply, the ohmmeter is connected to first group of detection of pcb board
Point determines whether first group of test point is short circuit according to the resistance value of the first test point；The electricity that the host computer will receive
Resistance value is compared with preset standard value, if resistance be less than preset standard value, such as 20 Europe or other,
So it is considered that this group of test point short circuit, the host computer store and export the first test point comparison result of display.Then, will
The ohmmeter is connected to other each group test points of pcb board, whether short-circuit measures each group test point successively.
The voltage detecting workflow of the utility model, as shown in Fig. 5, when pcb board powers on, by the voltmeter
It is connected to first group of test point of pcb board, reads the voltage value of first group of test point；The voltage value that the host computer will receive
It is compared with preset standard value, stores and exports first group of test point comparison result of display.Then, by the voltage
Table is connected to other each group test points of pcb board, and whether the voltage for measuring each group test point successively meets regulation.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (8)
1. the short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line, it is characterised in that：It is single including host computer, control
Member, position detection unit, transmission unit, resistance detection unit and voltage detection unit；
The transmission unit, is connected with described control unit, for pcb board to be sent to precalculated position；
The position detection unit, is connected with described control unit, for detecting whether the precalculated position is placed with pcb board；
The voltage detection unit is connected with the host computer, when the precalculated position is placed with pcb board, detects on pcb board
The voltage value of each test point is simultaneously transmitted to the host computer；
The resistance detection unit is connected with the host computer, when the precalculated position is placed with pcb board, detects on pcb board
The resistance value of each test point is simultaneously transmitted to the host computer；
The host computer, the data and preset standard that the voltage detection unit and the resistance detection unit are detected
Value is compared, and is stored and is exported display comparison result.
2. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 1, it is characterised in that：Institute
It includes the holder for being provided with conveyer belt and the driving device for driving the conveyer belt, described control unit control to state transmission unit
System connect the driving device, the voltage detection unit and the resistance detection unit along the conveyer belt direction of transfer according to
Secondary setting is on the bracket.
3. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 2, it is characterised in that：Institute
It states position detection unit and uses position-detection sensor.
4. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 2 or 3, it is characterised in that：
The detecting system further includes probe tooling, and the probe tooling includes elevating mechanism and described in being arranged on the elevating mechanism
Probe unit；Described control unit control connects the elevating mechanism, and the detection probe of the probe unit is connected by p-wire
Connect the voltage detection unit and the resistance detection unit.
5. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 4, it is characterised in that：Institute
Elevating mechanism is stated to drive using cylinder.
6. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 4, it is characterised in that：Institute
Voltage detection unit and the resistance detection unit is stated respectively to be connected with the host computer by communication server.
7. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 6, it is characterised in that：Institute
It states voltage detection unit and uses voltmeter；The resistance detection unit uses ohmmeter.
8. the short-circuit detecting and voltage detecting system of pcb board on assembly line according to claim 7, it is characterised in that：Institute
It states control unit and is also associated with acousto-optic warning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805995.4U CN207832924U (en) | 2017-12-21 | 2017-12-21 | The short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805995.4U CN207832924U (en) | 2017-12-21 | 2017-12-21 | The short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line |
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| Publication Number | Publication Date |
|---|---|
| CN207832924U true CN207832924U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721805995.4U Active CN207832924U (en) | 2017-12-21 | 2017-12-21 | The short-circuit detecting and voltage detecting system of pcb board on a kind of assembly line |
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| CN (1) | CN207832924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739121A (en) * | 2018-12-06 | 2019-05-10 | 安徽凯川电力保护设备有限公司 | A kind of multitask cycle intelligent manipulation monitor station |
| CN109901052A (en) * | 2019-03-20 | 2019-06-18 | 成都秦川物联网科技股份有限公司 | A kind of circuit board detecting system and method being applicable in automatic production line |
-
2017
- 2017-12-21 CN CN201721805995.4U patent/CN207832924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109739121A (en) * | 2018-12-06 | 2019-05-10 | 安徽凯川电力保护设备有限公司 | A kind of multitask cycle intelligent manipulation monitor station |
| CN109901052A (en) * | 2019-03-20 | 2019-06-18 | 成都秦川物联网科技股份有限公司 | A kind of circuit board detecting system and method being applicable in automatic production line |
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