CN209590164U - A kind of microcomputer screen test device - Google Patents
A kind of microcomputer screen test device Download PDFInfo
- Publication number
- CN209590164U CN209590164U CN201822161800.8U CN201822161800U CN209590164U CN 209590164 U CN209590164 U CN 209590164U CN 201822161800 U CN201822161800 U CN 201822161800U CN 209590164 U CN209590164 U CN 209590164U
- Authority
- CN
- China
- Prior art keywords
- probe
- microcomputer screen
- cylinder
- test device
- microcomputer
- 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 - Fee Related
Links
- 239000000523 sample Substances 0.000 claims abstract description 43
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- -1 conductive column Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Abstract
The utility model relates to test fixture field, spy is related to a kind of microcomputer screen test device.Positioning plate is set on the testboard of the utility model, location hole is set on positioning plate, movable plate is positioned by location hole；Pneumatic assembly includes probe, movable plate, positioning pin, cylinder；Cylinder is fixed on testboard, and movable plate is fixedly connected on the piston rod of cylinder, and positioning pin is arranged in two sides on movable plate, and positioning pin is correspondingly arranged with location hole.The utility model allows microcomputer screen is fast and reliable to connect with test device, it is ensured that could disconnect wiring with test device in the case where the power-off of microcomputer screen.
Description
Technical field
The utility model relates to test fixture field, spy is related to a kind of microcomputer screen test device.
Background technique
Currently, being docked using test winding displacement with microcomputer screen attachment base when microcomputer screen is tested, needed using test winding displacement artificial
Connection jaws are directed at, when high-volume is tested, increase labor intensity.After the completion of docking, then power supply is opened, after the completion of test, needed
Power supply is first closed, then again disconnects test winding displacement with microcomputer screen, it is if forgetting to power off, microcomputer screen band is electrically disconnected, once in a while
The case where connecting part spark phenomenon can occur, damaged so as to cause microcomputer screen.So during the test, it is desirable that wiring process
In, power supply has to be off, but in the actual process, since microcomputer screen test quantity is more, operator often occurs and is not powering off
In the case where patch.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of microcomputer screen test device.The utility model passes through
The up and down motion of Pneumatic assembly drives probe mobile, to realize that the fast and reliable of microcomputer screen is connect with test device, it is ensured that
In the case where the power-off of microcomputer screen wiring could be disconnected with test device.
The technical solution of the utility model is: a kind of microcomputer screen test device, including testboard, positioning component and pneumatic group
Part, positioning component and Pneumatic assembly are arranged on testboard, and Pneumatic assembly is arranged on front side of positioning component, and microcomputer screen is placed on fixed
In hyte part, tested microcomputer screen is compressed by Pneumatic assembly；It is characterized by: positioning plate is set on testboard, positioning plate
Upper setting location hole positions movable plate by location hole；Pneumatic assembly includes probe, movable plate, positioning pin, cylinder；
Cylinder is fixed on testboard, and movable plate is fixedly connected on the piston rod of cylinder, and positioning pin is arranged in two sides on movable plate,
Positioning pin is correspondingly arranged with location hole, and positioning component includes motion bar, L shape fixed link, chuck, pin shaft, and motion bar passes through pin shaft
It is connected in L shape fixed link, L shape fixed link and motion bar lower part have groove, form chuck.
According to a kind of microcomputer screen test device as described above, it is characterised in that: probe includes probe, conductive column, probe
Set, spring, snap ring, conductive column are movably connected in probe set by spring, and snap ring is arranged in probe set top, and snap ring prevents conduction
Column is skidded off out of probe set, and conductive column upper and lower ends stretch out probe set, conductive column lower part setting probe.
According to a kind of microcomputer screen test device as described above, it is characterised in that: the mode that is connected through a screw thread of popping one's head in
Conductive column connection.
According to a kind of microcomputer screen test device as described above, it is characterised in that: it further include connection circuit, connection circuit
Power supply is connect after hyperextension key with the connector of stretching of cylinder, and the first relay includes first coil and opened point, first coil with
Cylinder stretches connector parallel connection；Second relay of the utility model include the second coil and normally closed point, opened point, screen switch and it is micro-
Machine screen is connected in series, and the second coil is connected in parallel with microcomputer screen, and power supply connects after receiving key and connecting with normally closed point with receipts connector
It connects.
The beneficial effects of the utility model are: first is that passing through Pneumatic assembly for microcomputer screen and wiring, it is ensured that reliably connect
Line.Second is that wiring could be disconnected in the case where the power-off of microcomputer screen by ensuring.Third is that movable plate can be accurately positioned, it is ensured that probe with
Microcomputer screen is reliably connected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model Pneumatic assembly structural schematic diagram.
Fig. 3 is the utility model probe structure schematic diagram.
Fig. 4 is probe stereoscopic schematic diagram.
Fig. 5 is the utility model connection circuit figure.
Fig. 6 is positioning component stereoscopic schematic diagram.
Fig. 7 is positioning component main view.
Description of symbols: testboard 1, positioning plate 11, location hole 12, positioning component 2, motion bar 21, L shape fixed link
22, chuck 23, pin shaft 24, Pneumatic assembly 3, probe 31, probe 311, conductive column 312, probe set 313, spring 314, snap ring
315, movable plate 32, positioning pin 33, cylinder 34, microcomputer screen 5, stretch key SB1, receive key SB2, screen switch SB3, first coil
KM1, opened point KH1, the second coil KM2, normally closed point KD2, power supply VCC.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with attached drawing.
If 1 to shown in Fig. 4, a kind of microcomputer screen test device of the utility model includes that testboard 1, positioning component 2 are gentle
Dynamic component 3, positioning component 2 and Pneumatic assembly 3 are arranged on testboard 1, and the setting of Pneumatic assembly 3 is in 2 front side of positioning component, microcomputer
Screen 5 is placed in positioning component 2, is compressed microcomputer screen 5 by Pneumatic assembly 3 and is connect probe 31 securely with 5 connector of microcomputer screen.
As shown in Fig. 2, positioning plate 11 is arranged on the testboard 1 of the utility model, location hole 12 is set on positioning plate 11, is led to
Location hole 12 is crossed to position movable plate 32.
As shown in Figures 2 to 4, the Pneumatic assembly 3 of the utility model includes probe 31, movable plate 32, positioning pin 33, cylinder
34.Cylinder 34 is fixed on testboard 1, and movable plate 32 is fixedly connected on the piston rod of cylinder 34, two on movable plate 32
Positioning pin 33 is arranged in side, and positioning pin 33 is correspondingly arranged with location hole 12.When movable plate 32 moves downward, the insertion of positioning pin 33 is fixed
In the hole 12 of position, to realize the accurate positioning of 32 position of movable plate.
As shown in Figure 3 and Figure 4, the probe 31 of the utility model includes 311, conductive column 312, probe set 313, spring of probe
314, snap ring 315, conductive column 312 are movably connected in probe set 313 by spring 314, and snap ring is arranged in 313 top of probe set
315, snap ring 315 prevents conductive column 312 from skidding off out of probe set 313, and 312 upper and lower ends of conductive column stretch out probe set 313, conductive
312 lower part of column setting probe 311, probe 311 is connect preferably by the mode of threaded connection with conductive column 312, because using
Middle probe 311 is easily damaged, and in this way after probe 311 damages, directly replaces probe 311.312 top of conductive column can be direct
It is connect with conducting wire, makes the directly transmission electric current of conductive column 312 of the utility model in this way, increase probe 31 and connect with microcomputer screen 5
Reliability, it is ensured that probe 31 can pass through biggish electric current.
As shown in Figure 6 and Figure 7, the positioning component 2 of the utility model include motion bar 21, L shape fixed link 22, chuck 23,
Pin shaft 24, motion bar 21 are connected in L shape fixed link 22 by pin shaft 24, and L shape fixed link 22 and 21 lower part of motion bar are with recessed
Slot forms chuck 23, in this way, opening motion bar 21 when installation and microcomputer screen being put into after chuck 23 again by motion bar 21 from side door
Mobile clamping microcomputer screen.
As shown in figure 5, the connection circuit of the utility model is, power supply VCC after hyperextension key SB1 key with cylinder 34
Connector connection is stretched, the first relay includes first coil KM1 and opened point KH1, and first coil KM1 stretches connector simultaneously with cylinder 34
Connection.Second relay of the utility model includes the second coil KM2 and normally closed point KD2, opened point KH1, screen switch SB3 and microcomputer
Screen 5 is connected in series, and the second coil KM2 is connected in parallel with microcomputer screen 5, and power supply VCC connects by receiving key SB2 with normally closed point KD2
It is connect afterwards with receipts connector.In this way, only stretching key SB1 button opening when the device work of the utility model, opened point KH1 is closed
It closes, microcomputer screen 5 could be powered.And exist in 5 energized state of microcomputer screen, cannot normally closed point KD2 disconnect, it is ensured that will not be in energized state
Underwater recovery air cylinder 34, when may insure to be powered in this way, probe 31 is effectively contacted with microcomputer screen 5, will not be because of in test process
Middle traveling probe 31 but microcomputer screen 5 damage.
Claims (4)
1. a kind of microcomputer screen test device, including testboard, positioning component and Pneumatic assembly, positioning component and Pneumatic assembly setting
On testboard, Pneumatic assembly is arranged on front side of positioning component, and microcomputer screen is placed in positioning component, is compressed by Pneumatic assembly
Tested microcomputer screen；It is characterized by: positioning plate is arranged on testboard, location hole is set on positioning plate, passes through location hole pair
Movable plate is positioned；Pneumatic assembly includes probe, movable plate, positioning pin, cylinder；Cylinder is fixed on testboard, living
Movable plate is fixedly connected on the piston rod of cylinder, and positioning pin is arranged in two sides on movable plate, and positioning pin is correspondingly arranged with location hole, fixed
Hyte part includes motion bar, L shape fixed link, chuck, pin shaft, and motion bar is connected in L shape fixed link by pin shaft, and L shape is fixed
Bar and motion bar lower part have groove, form chuck.
2. a kind of microcomputer screen test device according to claim 1, it is characterised in that: probe includes probe, conductive column, spy
Needle guard, spring, snap ring, conductive column are movably connected in probe set by spring, and snap ring is arranged in probe set top, and snap ring prevents from leading
Electric column is skidded off out of probe set, and conductive column upper and lower ends stretch out probe set, conductive column lower part setting probe.
3. a kind of microcomputer screen test device according to claim 2, it is characterised in that: the mode being connected through a screw thread of popping one's head in
It is connect with conductive column.
4. a kind of microcomputer screen test device according to claim 1, it is characterised in that: further include connection circuit, wiring electricity
The power supply on road is connect after hyperextension key with the connector of stretching of cylinder, and the first relay includes first coil and opened point, First Line
Enclose with cylinder to stretch connector in parallel；Second relay includes the second coil and normally closed point, opened point, screen switch and the series connection of microcomputer screen
Connection, the second coil are connected in parallel with microcomputer screen, and power supply is connect after receiving key and normally closed point series connection with receipts connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161800.8U CN209590164U (en) | 2018-12-22 | 2018-12-22 | A kind of microcomputer screen test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161800.8U CN209590164U (en) | 2018-12-22 | 2018-12-22 | A kind of microcomputer screen test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590164U true CN209590164U (en) | 2019-11-05 |
Family
ID=68378363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822161800.8U Expired - Fee Related CN209590164U (en) | 2018-12-22 | 2018-12-22 | A kind of microcomputer screen test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590164U (en) |
-
2018
- 2018-12-22 CN CN201822161800.8U patent/CN209590164U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |