CN107705736A - Detection device and its control method - Google Patents
Detection device and its control method Download PDFInfo
- Publication number
- CN107705736A CN107705736A CN201710876241.6A CN201710876241A CN107705736A CN 107705736 A CN107705736 A CN 107705736A CN 201710876241 A CN201710876241 A CN 201710876241A CN 107705736 A CN107705736 A CN 107705736A
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- Prior art keywords
- detection
- wiring board
- measured
- detection device
- module
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a kind of detection device and its control method.Detection device includes detection wiring board and fixing device, the fixing device, for wiring board to be measured to be fixed on into the detection wiring board, the detection wiring board, for when the wiring board to be measured separates with the fixing device and the detection device is powered, the detection device is controlled to power off, so as to ensure that the lock out operation of wiring board to be measured and fixing device is carried out in the absence of power, prevent the component home of wiring board to be measured that short circuit occurs, the generation of high current in wiring board to be measured is avoided, ensure that the structure safety and stable performance of wiring board to be measured.
Description
Technical field
The present invention relates to display technology field, particularly detection device and its control method.
Background technology
, it is necessary to carry out measurement of the display characteristics to it after display panel completes, only display performance meets what is required
Display panel can be used for being assembled into display.
At present, measurement of the display characteristics often is carried out to display panel using detection device namely lighting-up equipment, set using lighting
, it is necessary to which first the circuit board of display panel is connected on lighting-up equipment during standby detection display panel, and carried out by fixing device
Fixed, be powered lighting-up equipment afterwards, and detection signal is inputted to circuit board, it is necessary to which first artificial power-off lighting is set after detection terminates
It is standby, then circuit board is removed from lighting-up equipment.
But in actual mechanical process, operating personnel using lighting-up equipment after completing to the test of display panel, usually
Forget to power off lighting-up equipment, under lighting-up equipment energization, directly remove display panel from lighting-up equipment, above-mentioned hot line job
Short circuit occurs for the component home for often resulting in circuit board, causes high current in circuit board to produce, the presence of high current can damage circuit
The modular construction of plate, reduce the display performance of display panel.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of detection device, can carry out a lamp inspection treating survey wiring board
During survey, prevent the component home of wiring board to be measured from short circuit occurs, avoid the generation of high current in wiring board to be measured, survey line is treated in guarantee
The structure safety and stable performance of road plate.
On the one hand, there is provided a kind of detection device, including detection wiring board and fixing device；
The fixing device, for wiring board to be measured to be fixed on into the detection wiring board；
The detection wiring board, for being separated in the wiring board to be measured with the fixing device and the detection device band
When electric, the detection device is controlled to power off.
Further, detection circuit and control module are provided with the detection wiring board；
The detection circuit includes two the first contacts and detection module, and the detection module is used to detect the detection electricity
The circuit signal on road；
The correspondence position of the fixing device and described two first contacts is provided with two the second contacts, and described two the
Electrically connected between two contacts；When the wiring board to be measured be fixed on it is described detection wiring board on when, first contact with it is described
Second contact portion, the detection circuit turn-on, the detection module export first detection signal；When the wiring board to be measured with
When the detection wiring board separation and the powered detection device, the detection circuit disconnects, the detection module output second
Detection signal；
The control module, for after the detection module exports second detection signal, controlling the detection to set
Standby power-off.
Further, the fixing device includes buckle and connector；
The buckle is used to fix the wiring board to be measured；
Described two second contacts are arranged on the connector.
Further, the connector, after being fixed for the buckle and wiring board to be measured, survey line is treated described in auxiliary fixation
The golden finger of the golden finger of road plate and the detection wiring board.
Further, the detection module includes current detection module, and the current detection module is serially connected in the detection
In circuit；
When the second current signal indicator current value of current detection module output is zero, the control module control
The detection device power-off.
Further, the detection circuit includes divider resistance, and the detection module includes voltage detection module, the electricity
Pressure detection module is arranged on one end of the divider resistance；
When the wiring board to be measured is fixed on the detection wiring board, the voltage detection module exports first voltage
Signal；When the wiring board to be measured separates with the detection wiring board and the detection device is powered, the voltage detecting mould
Block exports second voltage signal, and the control module controls the detection device power-off.
Further, the divider resistance includes the first divider resistance and the second divider resistance；
The first end of first divider resistance is connected with the voltage input end, and the second end connects with first contact
Connect；
The first end of second divider resistance respectively with the voltage output end and the second contact portion, the second end and institute
State the second end connection of the first divider resistance；
The voltage detection module is arranged on the second end side of first divider resistance, for detecting described first point
The voltage of second end side of piezoresistance.
Further, the wiring board to be measured is the wiring board with flexible PCB.
On the other hand, a kind of control method of detection device described above is additionally provided, methods described includes：
Wiring board to be measured is fixed using the fixing device of the detection device, realizes the wiring board to be measured and the detection
The electrical connection of equipment, the detection wiring board of the detection device detect first detection signal；
When separating the wiring board to be measured and the fixing device and the powered detection device, the detection wiring board inspection
The second detection signal is measured, controls the detection device to power off.
Compared with prior art, the present invention includes advantages below：
The invention provides a kind of detection means and its control method.Detection device provided in an embodiment of the present invention includes inspection
Wiring board and fixing device are surveyed, fixing device is used to fix wiring board to be measured, is arranged on detection wiring board, and detection wiring board is used
In when wiring board to be measured separates with fixing device and detection device is powered, control detection device power-off is to be measured so as to ensure that
Wiring board and the lock out operation of fixing device are carried out in the absence of power, it is therefore prevented that short circuit occurs for the component home of wiring board to be measured, keeps away
Exempt from the generation of high current in wiring board to be measured, ensure that the structure safety and stable performance of wiring board to be measured.
Brief description of the drawings
Fig. 1 is a kind of first structure schematic diagram of detection device provided in an embodiment of the present invention；
Fig. 2 is a kind of the second structural representation of detection device provided in an embodiment of the present invention；
Fig. 3 is a kind of the 3rd structural representation of detection device provided in an embodiment of the present invention；
Fig. 4 is a kind of the 4th structural representation of detection device provided in an embodiment of the present invention；
Fig. 5 is a kind of the 5th structural representation of detection device provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of the control method of detection device provided in an embodiment of the present invention.
Reference
The metal wire 4 of 12 second contact of connector of buckle 3
Detect the golden finger 6 of 5 wiring board to be measured of golden finger of wiring board
The divider resistance 82 of 7 first divider resistance of resistance 81 second
Second end b of the first end a connectors of connector
Second end d of the divider resistances of first end c first of the first divider resistance
Second end f of the divider resistances of first end e second of the second divider resistance
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more；Term " on ",
" under ", "left", "right", " interior ", the orientation of the instruction such as " outer " or position relationship be based on orientation shown in the drawings or position relationship,
It is for only for ease of and describes the present invention and simplify to describe, rather than indicates or imply that signified machine or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.Following examples
For illustrating the present invention, but it is not limited to the scope of the present invention.
The embodiments of the invention provide a kind of detection device, including detection wiring board and fixing device, wherein, fixing device
For wiring board to be measured to be fixed on into detection wiring board, detection wiring board be used to separate with fixing device in wiring board to be measured and
When detection device is powered, control detection device power-off.
Based on the setting of detection wiring board, it ensure that the lock out operation of wiring board to be measured and fixing device enters in the absence of power
OK, it is therefore prevented that short circuit occurs for the component home of wiring board to be measured, avoids the generation of high current in wiring board to be measured, ensure that and treat
Survey the structure safety and stable performance of wiring board.
A variety of wiring boards to be measured can be detected using detection device provided in an embodiment of the present invention, such as circuit to be measured
Plate can be the wiring board with flexible PCB, can use the display of the wiring board of detection device detection display panel
Can, wiring board to be measured can also be other panels, and the present invention is not limited herein.Detect wiring board can with a variety of, such as pcb board,
The part and circuit for detecting wiring board can be integrated on pcb board.The species and structure for detecting wiring board can be according to actually entering
Row is set.
Specifically, detection circuit and control module can be provided with by detecting on wiring board, detection circuit includes two first
Contact and detection module, detection module are used for the circuit signal for detecting detection circuit；Fixing device and pair of two the first contacts
Answer position to be provided with two the second contacts, electrically connected between two the second contacts, in real work, when wiring board to be measured is fixed on
When on detection device, wiring board to be measured and detection circuit board electrical connection, the first contact and the second contact portion, detection circuit are led
It is logical, detection module output first detection signal, when wiring board to be measured separates with detection wiring board and detection device is powered, detection
Circuit disconnects, and detection module exports the second detection signal；Based on the said structure and function of detection circuit, control module is used for
After detection module exports the second detection signal, control detection device power-off.The embodiments of the invention provide one kind to detect wiring board
Concrete structure, the present invention only illustrated herein, be not limited, it is every be applied to the present invention the detection with above-mentioned function
Wiring board is feasible.
Specifically, fixing device can include buckle and connector, wherein, buckle is used to fix wiring board to be measured, two
Second contact is arranged on connector.Connector may have various structures relation with buckle, for example, buckle can be fixed on
To determine on a certain position of device, connector can be rotated with certain point around buckle, or connector can be pluggable structure,
It is inserted into when deployed on the predeterminated position of fixing device, the concrete structure and position of buckle and connector can be according to actual progress
Set.In addition to buckle, fixing device can also be other applicable structures, and the present invention is not limited herein.Connector can be
Bar shaped connector, the concrete structure of connector can be configured according to reality.
Connector is additionally operable to after buckle and wiring board to be measured are fixed, the golden finger of the fixed wiring board to be measured of auxiliary and detection
The golden finger of wiring board, ensure wiring board to be measured and detection wiring board coupling.Golden finger can include diversified forms, such as metal tube
Pin, hard contact etc., for being connected with other metal fingers so that two wiring boards conducting where two golden fingers.
Based on said structure, detect and detection circuit and control module are provided with wiring board, detection circuit includes detection mould
Block, detection module can include a variety of, such as current detection module, voltage detection module, and current detection module can include electricity
Measure loop, ammeter etc. are flowed, voltage detection module can include voltage detection circuit, voltmeter etc., for different types of
Detection module, different detection circuits can be correspondingly arranged.
Specifically, when detection module includes current detection module, current detection module is serially connected in detection circuit；Work as electricity
When flowing the second current signal of detection module output, control module control detection device power-off.
When detection circuit includes divider resistance, detection module includes voltage detection module, and voltage detection module is arranged on point
During one end of piezoresistance, when wiring board to be measured is fixed on detection wiring board, voltage detection module output first voltage signal；
When wiring board to be measured separates with detection wiring board and detection device is powered, voltage detection module output second voltage signal, control
The control detection device power-off of molding block.
Fig. 1-Fig. 5 is the structural representation of several detection devices provided in an embodiment of the present invention.As Figure 1-Figure 5, Gu
Determining device includes buckle 1 and connector 2, and connector 2 is strip structure, is provided with two the second contacts 3 on connector 2, two
Second contact 3 is arranged on the first end a of connector 2, is connected between two the second contacts 3 by metal wire 4, when wiring board to be measured
When being fixed with buckle 1, detect the golden finger 5 of wiring board and connect with the golden finger 6 of wiring board to be measured, if connector 2 placed
On wiring board to be measured, then connector 2 is used to aid in the golden finger 5 of fixed test wiring board and the golden finger 6 of wiring board to be measured,
The conducting of two wiring boards is ensure that, wiring board to be measured is ensure that and detects the electrical connection effect of wiring board.
Connector 2 can rotate around buckle 1, and specifically, the second end b of connector 2 can rotate around first end a, as general
When wiring board to be measured is fixed on buckle 1, first the second end b of connector 2 is lifted, wiring board to be measured is fixed on buckle 1,
The second end b of connector 2 is put down again afterwards, makes two the second contacts 3 on connector 2 respectively with detecting two on circuit
First contact connects one to one, and makes detection circuit turn-on.
In Fig. 1 and Fig. 2, detection circuit includes current detection module and resistance 7, and current detection module is used to detect detection electricity
The size of current on road, after wiring board to be measured and buckle 1 are fixed, circuit turn-on is detected, current detection module exports electric current inspection
Survey signal；When separating wiring board to be measured and detection wiring board and powered detection device, the second end b of connector 2 is lifted, and second
The contact separation of contact 3 and first, detection circuit disconnect, and current detection module exports the second current detection signal, the inspection of the second electric current
Surveying signal can be using indicator current value as zero, and control module is after current detection module exports the second current detection signal, control inspection
Measurement equipment powers off, and so as to ensure that the lock out operation of wiring board to be measured is to carry out in the absence of power, ensure that the circuit of wiring board to be measured
Safety.
In Fig. 3, Fig. 4 and Fig. 5, detection circuit includes voltage detection module and divider resistance, and voltage detection module, which is located at, divides
The side of piezoresistance, in the fixation and separation process of wiring board to be measured, i.e., during the putting down and lift of connector 2,
Circuit turn-on or disconnection are detected, the voltage detection signal of voltage detection module output changes, and the magnitude of voltage detected occurs
Change, when connector 2 is put down, detect circuit turn-on, voltage detection module output first voltage detection signal, when connector 2
When lifting, detection circuit disconnects, voltage detection module output second voltage detection signal, and control module is defeated in voltage detection module
After going out second voltage detection signal, judge that wiring board to be measured separates with detection device, at this moment control detection device power-off.
Detection circuit shown in Fig. 3-Fig. 5 includes two divider resistances, i.e. the first divider resistance 81 and the second partial pressure electricity
Resistance 82, but specific attachment structure is different, the present invention is only illustrated herein, every circuit knot suitable for the embodiment of the present invention
Structure.
In Fig. 5, divider resistance includes the first divider resistance 81 and the second divider resistance 82, and the first of the first divider resistance 81
End c is connected with voltage input end VCC, the second end d and detection circuit of the first divider resistance 81 the first contact portion；Second point
The first end e of piezoresistance 82 respectively with voltage output end GND and detect circuit the second contact portion, the second divider resistance 82
Second end f is connected with the second end d of the first divider resistance 81；The test position of voltage detection module is arranged on the first divider resistance
81 the second end d sides.
The embodiment of the present invention additionally provides a kind of control method of above-mentioned detection device.Fig. 6 is that the embodiment of the present invention carries
The flow chart of the control method of the detection device of confession, reference picture 6, the control method of the detection device include：
101st, wiring board to be measured is fixed using the fixing device of detection device, realizes the electricity of wiring board and detection device to be measured
Connection, the detection wiring board of detection device detect first detection signal.
When the 102nd, separating wiring board and fixing device and powered detection device to be measured, detection wiring board detects the second detection
Signal, control detection device power-off.
Based on the setting of detection wiring board, when separating wiring board to be measured and fixing device, detection wiring board detects the
After two detection signals, control detection device power-off, so as to ensure that the lock out operation of wiring board to be measured and fixing device is powering off
Lower progress, it is therefore prevented that short circuit occurs for the component home of wiring board to be measured, avoids the generation of high current in wiring board to be measured, ensures
The structure safety and stable performance of wiring board to be measured.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Detection device provided by the present invention and its control method are described in detail above, tool used herein
Body example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this hair
Bright method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, specific real
There will be changes in mode and application are applied, in summary, this specification content should not be construed as the limit to the present invention
System.
Claims (9)
1. a kind of detection device, it is characterised in that including detection wiring board and fixing device；
The fixing device, for wiring board to be measured to be fixed on into the detection wiring board；
The detection wiring board, for being separated in the wiring board to be measured with the fixing device and the detection device is powered
When, control the detection device to power off.
2. detection device according to claim 1, it is characterised in that it is described detection wiring board on be provided with detection circuit and
Control module；
The detection circuit includes two the first contacts and detection module, and the detection module is used to detect the detection circuit
Circuit signal；
The correspondence position of the fixing device and described two first contacts is provided with two the second contacts, and described two second touch
Electrically connected between point；When the wiring board to be measured is fixed on the detection wiring board, first contact and described second
Contact portion, the detection circuit turn-on, the detection module export first detection signal；When the wiring board to be measured with it is described
When detecting wiring board separation and the powered detection device, the detection circuit disconnects, the detection of detection module output second
Signal；
The control module, for after the detection module exports second detection signal, controlling the detection device to break
Electricity.
3. detection device according to claim 2, it is characterised in that the fixing device includes buckle and connector；
The buckle is used to fix the wiring board to be measured；
Described two second contacts are arranged on the connector.
4. detection device according to claim 3, it is characterised in that the connector, for the buckle with it is to be measured
After wiring board is fixed, the golden finger of the golden finger of the fixed wiring board to be measured of auxiliary and the detection wiring board.
5. detection device according to claim 2, it is characterised in that the detection module includes current detection module, institute
Current detection module is stated to be serially connected in the detection circuit；
When the second current signal of current detection module output, the control module controls the detection device power-off.
6. detection device according to claim 2, it is characterised in that the detection circuit includes divider resistance, the inspection
Surveying module includes voltage detection module, and the voltage detection module is arranged on one end of the divider resistance；
When the wiring board to be measured is fixed on the detection wiring board, the voltage detection module output first voltage letter
Number；When the wiring board to be measured separates with the detection wiring board and the detection device is powered, the voltage detection module
Second voltage signal is exported, the control module controls the detection device power-off.
7. detection device according to claim 5, it is characterised in that the divider resistance includes the first divider resistance and the
Two divider resistances；
The first end of first divider resistance is connected with the voltage input end, the second end and first contact portion；
The first end of second divider resistance respectively with the voltage output end and the second contact portion, the second end and described the
The second end connection of one divider resistance；
The voltage detection module is arranged on the second end side of first divider resistance, for detecting the first partial pressure electricity
The voltage of second end side of resistance.
8. detection device according to claim 1, it is characterised in that the wiring board to be measured is with flexible PCB
Wiring board.
A kind of 9. control method of detection device as described in claim any one of 1-8, it is characterised in that methods described bag
Include：
Wiring board to be measured is fixed using the fixing device of the detection device, realizes the wiring board to be measured and the detection device
Electrical connection, the detection wiring board of the detection device detects first detection signal；
When separating the wiring board to be measured and the fixing device and the powered detection device, the detection wiring board detects
Second detection signal, the detection device is controlled to power off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876241.6A CN107705736A (en) | 2017-09-25 | 2017-09-25 | Detection device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876241.6A CN107705736A (en) | 2017-09-25 | 2017-09-25 | Detection device and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107705736A true CN107705736A (en) | 2018-02-16 |
Family
ID=61176011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710876241.6A Pending CN107705736A (en) | 2017-09-25 | 2017-09-25 | Detection device and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107705736A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877081Y (en) * | 2006-01-06 | 2007-03-07 | 明基电通信息技术有限公司 | Power controller |
| CN204008069U (en) * | 2014-06-30 | 2014-12-10 | 上海天马微电子有限公司 | A kind of proving installation |
| CN106407146A (en) * | 2016-09-09 | 2017-02-15 | 广州视源电子科技股份有限公司 | Interface equipment, safe access method and device |
| CN106611578A (en) * | 2015-10-27 | 2017-05-03 | 华为终端（东莞）有限公司 | Fool-proof testing device |
-
2017
- 2017-09-25 CN CN201710876241.6A patent/CN107705736A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877081Y (en) * | 2006-01-06 | 2007-03-07 | 明基电通信息技术有限公司 | Power controller |
| CN204008069U (en) * | 2014-06-30 | 2014-12-10 | 上海天马微电子有限公司 | A kind of proving installation |
| CN106611578A (en) * | 2015-10-27 | 2017-05-03 | 华为终端（东莞）有限公司 | Fool-proof testing device |
| CN106407146A (en) * | 2016-09-09 | 2017-02-15 | 广州视源电子科技股份有限公司 | Interface equipment, safe access method and device |
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Application publication date: 20180216 |
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