CN207541218U - For the elastic parts of pcb board testing impedance - Google Patents
For the elastic parts of pcb board testing impedance Download PDFInfo
- Publication number
- CN207541218U CN207541218U CN201721469949.1U CN201721469949U CN207541218U CN 207541218 U CN207541218 U CN 207541218U CN 201721469949 U CN201721469949 U CN 201721469949U CN 207541218 U CN207541218 U CN 207541218U
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- China
- Prior art keywords
- probe
- connecting pole
- several
- movable plate
- cylinder
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Abstract
The utility model discloses a kind of elastic parts for pcb board testing impedance, including pedestal, stent, testing jig, test microscope carrier, cylinder and probe, the stent, which is set on base upper surface and stent, is provided with several impedance instrument, if the test microscope carrier is fixedly installed in base upper surface and below probe by bolt stem, the cylinder and probe are installed on testing jig, the probe is respectively arranged in this several probe base, the cylinder is installed on testing jig upper surface and the piston rod of cylinder is fixedly connected with a movable plate, this movable plate is slidably arranged on sliding rail and above probe base, the connecting pole upper end passes through the through-hole of movable plate, connecting pole lower end is fixedly connected with probe base upper surface, the connecting pole outer sheath is equipped with a spring.The setting that the utility model passes through spring on connecting pole so that keep Elastic Contact between probe and chip to be measured, avoid the occurrence of situations such as damaging chip to be measured, ensure the quality and precision of test.
Description
Technical field
The utility model is related to device testing apparatus, and in particular to a kind of elastic parts for pcb board testing impedance.
Background technology
With the development of science and technology, electronics detection technology is applied more and more.Fingerprint identification technology is most ripe at present
And cheap biometrics identification technology.The technology of fingerprint recognition is most widely used at present, we are not only in door
It can be seen that the figure of fingerprint identification technology, there is the application of more fingerprint recognitions in the market in taboo, attendance checking system：Such as notebook
Computer, mobile phone, automobile, bank paying all can employing fingerprint identification technology.
In the use fingerprint recognition module of the electronic products such as mobile phone, tablet computer, becket is often used, due to it
Acting as ground connection prevents people's electrostatic of human body when touching fingerprint chip from being damaged to chip, so the DC impedance of itself
It is the smaller the better, still, its DC impedance all is tested using universal meter in current automatic test, use is very inconvenient.
Invention content
The purpose of this utility model is to provide a kind of elastic parts for pcb board testing impedance, this is used for pcb board impedance
The setting that the elastic parts of test passes through spring on connecting pole so that keep Elastic Contact between probe and chip to be measured, avoid
There is situations such as damaging chip to be measured, ensure the quality and precision of test.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of elasticity for pcb board testing impedance
Component, including pedestal, stent, testing jig, test microscope carrier, cylinder and probe, the stent is set to base upper surface and stent
On be provided with several impedance instrument, if the test microscope carrier is fixedly installed in base upper surface and under the probe by bolt stem
Side, the cylinder and probe are installed on testing jig；
The testing jig front side surface is provided with several sliding rails, and several probe bases are connected by sliding block with sliding rail activity respectively
It connects, the probe is respectively arranged in this several probe base, the cylinder is installed on the piston rod of testing jig upper surface and cylinder
Be fixedly connected with a movable plate, this movable plate is slidably arranged on sliding rail and above the probe base, the movable plate with
It is connected between probe base by a connecting pole；
Be provided with several through-holes on the movable plate, the connecting pole upper end passes through the through-hole of movable plate, connecting pole lower end with
Probe base upper surface is fixedly connected, and the connecting pole outer sheath is equipped with a spring.
Further improved scheme is as follows in above-mentioned technical proposal：
1. in said program, connecting pole lower end side surface is provided with screw thread.
2. in said program, the probe base upper surface is provided with threaded hole corresponding with connecting pole.
3. in said program, the number of several through-holes is 2.
4. in said program, if being fixedly connected between the probe base and sliding block by bolt stem.
5. in said program, the number of several impedance instrument is 4.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
1st, the utility model is used for the elastic parts of pcb board testing impedance, and testing jig front side surface is provided with several cunnings
Rail, several probe bases are flexibly connected by sliding block with sliding rail respectively, and the probe is respectively arranged in this several probe base, described
Cylinder is installed on testing jig upper surface and the piston rod of cylinder is fixedly connected with a movable plate, this movable plate is slidably arranged on
It on sliding rail and above probe base, is connected between the movable plate and probe base by a connecting pole, cylinder, sliding rail and activity
The setting of plate, analog manual operation push probe pushing to be contacted with chip to be measured, the impedance of chip to be measured are detected, grasp
Make simple and convenient, a large amount of manpowers of saving, avoid human error, test result is accurate, greatly improves production efficiency.
2nd, the utility model is used for the elastic parts of pcb board testing impedance, and several through-holes, the company are provided on movable plate
The through-hole that column upper end passes through movable plate is connect, connecting pole lower end is fixedly connected with probe base upper surface, is set on the outside of the connecting pole
There is a spring, the setting of spring on connecting pole can provide a cushion effect when cylinder pushes movable plate to push to probe, from
And to keep Elastic Contact between probe and chip to be measured, not only with good accuracy of detection but also chip to be measured is protected, kept away
Exempt from situations such as damaging chip to be measured occur, so as to ensure the quality and precision of test.
Description of the drawings
Attached drawing 1 is used for the elastic parts structure diagram of pcb board testing impedance for the utility model；
Attached drawing 2 is used for the elastic parts partial structural diagram of pcb board testing impedance for the utility model.
In the figures above：1st, pedestal；2nd, stent；3rd, testing jig；4th, test microscope carrier；5th, cylinder；6th, probe；7th, impedance instrument；
8th, bolt；14th, sliding rail；15th, probe base；16th, sliding block；17th, movable plate；18th, connecting pole；21st, through-hole；22nd, spring.
Specific embodiment
Embodiment 1：A kind of elastic parts for pcb board testing impedance, including pedestal 1, stent 2, testing jig 3, test
Microscope carrier 4, cylinder 5 and probe 6, the stent 2, which is set on 1 upper surface of pedestal and stent 2, is provided with several impedance instrument 7, described
If test microscope carrier 4 is fixedly installed in 1 upper surface of pedestal and positioned at 6 lower section of probe by bolt stem 8, the cylinder 5 and probe 6 are pacified
Loaded on testing jig 3；
3 front side surface of testing jig is provided with several sliding rails 14, several probe bases 15 by sliding block 16 respectively with sliding rail
14 flexible connections, are respectively arranged with the probe 6 in this several probe base 15, the cylinder 5 be installed on 3 upper surface of testing jig and
The piston rod of cylinder 5 is fixedly connected with a movable plate 17, this movable plate 17 is slidably arranged on sliding rail 14 and positioned at probe
15 top of seat, is connected between the movable plate 17 and probe base 15 by a connecting pole 18；
Several through-holes 21 are provided on the movable plate 17,18 upper end of connecting pole passes through the through-hole 21 of movable plate 17, even
It connects 18 lower end of column to be fixedly connected with 15 upper surface of probe base, 18 outer sheath of connecting pole is equipped with a spring 22.
Above-mentioned 18 lower end side surface of connecting pole is provided with screw thread；It is right with connecting pole 18 that above-mentioned 15 upper surface of probe base is provided with
The threaded hole answered.
Embodiment 2：A kind of elastic parts for pcb board testing impedance, including pedestal 1, stent 2, testing jig 3, test
Microscope carrier 4, cylinder 5 and probe 6, the stent 2, which is set on 1 upper surface of pedestal and stent 2, is provided with several impedance instrument 7, described
If test microscope carrier 4 is fixedly installed in 1 upper surface of pedestal and positioned at 6 lower section of probe by bolt stem 8, the cylinder 5 and probe 6 are pacified
Loaded on testing jig 3；
3 front side surface of testing jig is provided with several sliding rails 14, several probe bases 15 by sliding block 16 respectively with sliding rail
14 flexible connections, are respectively arranged with the probe 6 in this several probe base 15, the cylinder 5 be installed on 3 upper surface of testing jig and
The piston rod of cylinder 5 is fixedly connected with a movable plate 17, this movable plate 17 is slidably arranged on sliding rail 14 and positioned at probe
15 top of seat, is connected between the movable plate 17 and probe base 15 by a connecting pole 18；
Several through-holes 21 are provided on the movable plate 17,18 upper end of connecting pole passes through the through-hole 21 of movable plate 17, even
It connects 18 lower end of column to be fixedly connected with 15 upper surface of probe base, 18 outer sheath of connecting pole is equipped with a spring 22.
The number of above-mentioned several through-holes 21 is 2；Connect if being fixed between above-mentioned probe base 15 and sliding block 16 by bolt stem
It connects；The number of above-mentioned several impedance instrument 7 is 4.
During using above-mentioned elastic parts for pcb board testing impedance, the setting of cylinder, sliding rail and movable plate, simulation
Manual operation pushes probe pushing to be contacted with chip to be measured, the impedance of chip to be measured is detected, simple to operate, section
About a large amount of manpowers, avoid human error, and test result is accurate, greatly improves production efficiency；Secondly, spring sets on connecting pole
It puts, a cushion effect can be provided to probe when cylinder pushes movable plate to push, so that between probe and chip to be measured
Elastic Contact is kept, not only with good accuracy of detection but also has protected chip to be measured, avoids the occurrence of situations such as damaging chip to be measured,
So as to ensure the quality and precision of test.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
It is all according to the spirit of the present invention substantially equivalent change or modification for being made, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of elastic parts for pcb board testing impedance, it is characterised in that：Including pedestal（1）, stent（2）, testing jig
（3）, test microscope carrier（4）, cylinder（5）And probe（6）, the stent（2）It is set to pedestal（1）Upper surface and stent（2）On set
It is equipped with several impedance instrument（7）, the test microscope carrier（4）If pass through bolt stem（8）It is fixedly installed in pedestal（1）Upper surface and it is located at
Probe（6）Lower section, the cylinder（5）And probe（6）It is installed on testing jig（3）On；
The testing jig（3）Front side surface is provided with several sliding rails（14）, several probe bases（15）Pass through sliding block（16）Respectively with
Sliding rail（14）Flexible connection, this several probe base（15）Inside it is respectively arranged with the probe（6）, the cylinder（5）It is installed on survey
Try frame（3）Upper surface and cylinder（5）Piston rod and a movable plate（17）It is fixedly connected, this movable plate（17）Slidable setting
In sliding rail（14）Above and positioned at probe base（15）Top, the movable plate（17）With probe base（15）Between pass through a connecting pole
（18）Connection；
The movable plate（17）On be provided with several through-holes（21）, the connecting pole（18）Upper end passes through movable plate（17）Through-hole
（21）, connecting pole（18）Lower end and probe base（15）Upper surface is fixedly connected, the connecting pole（18）Outer sheath is equipped with a spring
（22）.
2. the elastic parts according to claim 1 for pcb board testing impedance, it is characterised in that：The connecting pole
（18）Lower end side surface is provided with screw thread.
3. the elastic parts according to claim 1 for pcb board testing impedance, it is characterised in that：The probe base
（15）Upper surface is provided with and connecting pole（18）Corresponding threaded hole.
4. the elastic parts according to claim 1 for pcb board testing impedance, it is characterised in that：Several through-holes
（21）Number be 2.
5. the elastic parts according to claim 1 for pcb board testing impedance, it is characterised in that：The probe base
（15）With sliding block（16）It is fixedly connected between if by bolt stem.
6. the elastic parts according to claim 1 for pcb board testing impedance, it is characterised in that：Several impedances
Instrument（7）Number be 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469949.1U CN207541218U (en) | 2017-11-07 | 2017-11-07 | For the elastic parts of pcb board testing impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721469949.1U CN207541218U (en) | 2017-11-07 | 2017-11-07 | For the elastic parts of pcb board testing impedance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541218U true CN207541218U (en) | 2018-06-26 |
Family
ID=62612515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721469949.1U Expired - Fee Related CN207541218U (en) | 2017-11-07 | 2017-11-07 | For the elastic parts of pcb board testing impedance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207541218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325146A (en) * | 2020-12-28 | 2022-04-12 | 苏州联讯仪器有限公司 | Testing device for optical communication device |
| CN114660442A (en) * | 2022-05-24 | 2022-06-24 | 苏州联讯仪器有限公司 | Multi-probe testing device for chip |
-
2017
- 2017-11-07 CN CN201721469949.1U patent/CN207541218U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325146A (en) * | 2020-12-28 | 2022-04-12 | 苏州联讯仪器有限公司 | Testing device for optical communication device |
| CN114325146B (en) * | 2020-12-28 | 2024-03-01 | 苏州联讯仪器股份有限公司 | Testing device for optical communication device |
| CN114660442A (en) * | 2022-05-24 | 2022-06-24 | 苏州联讯仪器有限公司 | Multi-probe testing device for chip |
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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: 20180626 Termination date: 20191107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |