CN216898985U - MEMS sensor test fixture - Google Patents
MEMS sensor test fixture Download PDFInfo
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- CN216898985U CN216898985U CN202220589498.XU CN202220589498U CN216898985U CN 216898985 U CN216898985 U CN 216898985U CN 202220589498 U CN202220589498 U CN 202220589498U CN 216898985 U CN216898985 U CN 216898985U
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Abstract
The utility model relates to the technical field of electronic equipment, in particular to an MEMS sensor test fixture, which comprises a mounting plate, wherein connecting ear plates are fixedly arranged on two sides of the mounting plate, a current-conducting plate is fixedly arranged in the middle of the top end of the mounting plate, a first connecting strip plate is fixedly arranged on one side of the top end of the mounting plate, a second connecting strip plate is movably arranged on the other side of the top end of the mounting plate, an auxiliary groove is formed in one side of the first connecting strip plate, a supporting assembly is arranged in the auxiliary groove and comprises a supporting shaft, a pressing baffle plate, a mounting disc, a spring, a limiting rod and a limiting block, a placing assembly is arranged on two sides of the top end of the mounting plate, the supporting assembly and the fixing assembly are matched for use, a user can be assisted in controlling clamping elasticity when clamping a sensor, and the sensor test fixture is prevented from generating influence on excessive clamping force when clamping the sensor, the test accuracy is improved.
Description
Technical Field
The utility model relates to the technical field of electronic equipment, in particular to a test fixture for an MEMS sensor.
Background
The MEMS sensor is a novel sensor manufactured by utilizing MEMS (micro electro mechanical system) processing technology, and like the traditional sensor, comprehensive performance test and evaluation are carried out before delivery users use the MEMS sensor, at the moment, a set of test fixture and a test method matched with the sensor are needed, the test fixture has two functions, firstly, the sensor is fixed, so that the sensor and the fixture are kept relatively static, and secondly, the sensor is kept to be stably and electrically connected with the outside.
The MEMS sensor has the characteristics of the MEMS sensor, for example, the MEMS sensor is sensitive to external pressure, so when the MEMS sensor is tested by using a test fixture, the MEMS sensor is ensured to exert as small force as possible, when the sensor is clamped by the test fixture on the market, the sensor is clamped and fixed by driving two clamping plates to move in opposite directions, the clamping plates are in rigid direct contact with the sensor, so that the clamping force which is difficult to control can exert too large pressure on the MEMS sensor, and the large pressure can greatly influence the performance of the MEMS sensor.
Accordingly, there is a need for a MEMS sensor test fixture that ameliorates the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a test fixture for MEMS sensors, which solves the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a MEMS sensor test fixture, includes the mounting panel, the equal fixed mounting in mounting panel both sides has the connection otic placode, department fixed mounting has the current conducting plate in the middle of the mounting panel top, mounting panel top one side fixed mounting has first connection slat, mounting panel top opposite side movable mounting has the second to connect the slat, supplementary recess has been seted up to first connection slat one side supplementary inside being provided with supporting component of recess, supporting component includes back shaft, pressure baffle, mounting disc, spring, gag lever post and stopper, mounting panel top both sides all are equipped with places the subassembly, it includes the L type and places board, mounting groove and locking bolt to place the subassembly, the second is connected the slat bottom and is provided with the fixed subassembly that passes the mounting panel, fixed subassembly includes connecting axle, fixed slat and fastening bolt.
As a preferable scheme of the present invention, the supporting shaft is fixedly installed at one side of the pressing baffle and penetrates through the auxiliary groove, the installation plate is fixedly installed at one side of the supporting shaft, the spring is fixedly installed between the first connecting slat and the installation plate and is sleeved at the outer side of the supporting shaft, the limiting rod is fixedly installed at the middle of one side of the pressing baffle and penetrates through the auxiliary groove, and the limiting block is fixedly installed at one side of the limiting rod and is attached to the first connecting slat.
As a preferable scheme of the present invention, the L-shaped placing plate is movably mounted on both sides of the top end of the mounting plate, the mounting groove is opened on the top end of the L-shaped placing plate, and the locking bolt is movably mounted inside the mounting groove and in threaded connection with the mounting plate.
As a preferable scheme of the utility model, the connecting shafts are fixedly arranged at two sides of the top end of the fixed slat and penetrate through the mounting plate to be fixedly connected with the second connecting slat, and the fastening bolts are movably arranged in the middle of the bottom end of the fixed slat and are in threaded connection with the mounting plate.
According to the preferable scheme of the utility model, a plurality of first thread grooves are formed in both sides of the top end of the mounting plate and are distributed equidistantly, and a plurality of second thread grooves are formed in the bottom end of the mounting plate and are distributed equidistantly.
As a preferable scheme of the utility model, rubber protection pads are fixedly arranged on the opposite sides of the pressing baffle and the second connecting strip plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the supporting component and the fixing component are matched for use, so that a user can be assisted in controlling the clamping elasticity when clamping the sensor, the influence of the sensor testing clamp on the overlarge clamping force generated when clamping the sensor is prevented, and the testing accuracy is improved.
2. According to the utility model, through the matched use of the placing component and the fixing component, a user can conveniently adjust the specification and the size of the clamp, so that the adaptation range is expanded, and the adaptation is improved.
3. According to the utility model, the rubber protection pad is arranged, so that the clamping stability and the protection performance of the sensor clamp can be improved, the abrasion to the sensor is reduced, and the usability is improved.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a top schematic view of the mounting plate of the present invention;
fig. 3 is a front view of the mounting plate of the present invention.
In the figure: 1. mounting a plate; 11. connecting the ear plates; 12. a conductive plate; 13. a first connecting slat; 131. an auxiliary groove; 132. a rubber protective pad; 14. a second connecting slat; 2. a support assembly; 21. a support shaft; 22. a pressing baffle plate; 23. mounting a disc; 24. a spring; 25. a limiting rod; 26. a limiting block; 3. placing the component; 31. an L-shaped placing plate; 32. mounting grooves; 33. locking the bolt; 4. a fixing assembly; 41. a connecting shaft; 42. fixing the ribbon board; 43. and fastening the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present invention provides a technical solution:
a MEMS sensor test fixture comprises a mounting plate 1, wherein connecting lug plates 11 are fixedly arranged on both sides of the mounting plate 1, a conductive plate 12 is fixedly arranged in the middle of the top end of the mounting plate 1, a first connecting strip plate 13 is fixedly arranged on one side of the top end of the mounting plate 1, a second connecting strip plate 14 is movably arranged on the other side of the top end of the mounting plate 1, a supporting component 2 is arranged in an auxiliary groove 131 formed in one side of the first connecting strip plate 13, the supporting component 2 comprises a supporting shaft 21, a pressing baffle 22, a mounting disc 23, a spring 24, a limiting rod 25 and a limiting block 26, placing components 3 are arranged on both sides of the top end of the mounting plate 1, each placing component 3 comprises an L-shaped placing plate 31, a mounting groove 32 and a locking bolt 33, a fixing component 4 penetrating through the mounting plate 1 is arranged at the bottom end of the second connecting strip plate 14, each fixing component 4 comprises a connecting shaft 41, a fixing strip plate 42 and a fastening bolt 43, through the cooperation that sets up supporting component 2 and fixed subassembly 4, control centre gripping elasticity when can the auxiliary user centre gripping sensor, prevent that sensor test fixture from producing too big clamping-force and causing the influence when to the sensor centre gripping, improve test accuracy nature.
Referring to fig. 1, 2 and 3, in an embodiment, a supporting shaft 21 is fixedly installed at one side of a pressing baffle 22 and penetrates through an auxiliary groove 131, a mounting plate 23 is fixedly installed at one side of the supporting shaft 21, a spring 24 is fixedly installed between a first connecting strip 13 and the mounting plate 23 and is sleeved at the outer side of the supporting shaft 21, a limiting rod 25 is fixedly installed at the middle of one side of the pressing baffle 22 and penetrates through the auxiliary groove 131, a limiting block 26 is fixedly installed at one side of the limiting rod 25 and is attached to the first connecting strip 13, an L-shaped placing plate 31 is movably installed at two sides of the top end of the mounting plate 1, an installation groove 32 is opened at the top end of the L-shaped placing plate 31, a locking bolt 33 is movably installed inside the installation groove 32 and is in threaded connection with the mounting plate 1, a connecting shaft 41 is fixedly installed at two sides of the top end of the fixing strip 42 and penetrates through the mounting plate 1 and is fixedly connected with a second connecting strip 14, a fastening bolt 43 is movably installed at the middle of the bottom end of the fixing strip 42 and is in threaded connection with the mounting plate 1, the two sides of the top end of the mounting plate 1 are respectively provided with a plurality of first thread grooves which are distributed equidistantly, the bottom end of the mounting plate 1 is provided with a plurality of second thread grooves which are distributed equidistantly, through the matching use of the supporting component 2 and the fixing component 4, a user can be assisted in controlling the clamping elastic force when clamping the sensor, the influence of the sensor test fixture on the overlarge clamping force generated when clamping the sensor is prevented, the test accuracy is improved, in the practical use, the fastening bolt 43 is loosened, the second connecting strip plate 14 is moved to a proper position, then the fastening bolt 43 is screwed again, the limiting block 26 is pulled to drive the limiting rod 25 to drive the compression baffle 22 to synchronously move, the compression baffle 22 enables the mounting plate 23 on the supporting shaft 21 to stretch the spring 24, the sensor is placed on the two L-shaped placing plates 31, the limiting block 26 is loosened, and the spring 24 is reset to enable the compression baffle 22 to extrude the sensor, thereby fix the sensor centre gripping between slat 14 and the pressure baffle 22 are connected to the second, can accomplish the centre gripping, connect the slat 14 and the distance between the pressure baffle 22 through the control second, the elasticity size of control centre gripping can prevent that the centre gripping dynamics is too big and cause the influence to the sensor to through setting up the cooperation of placing subassembly 3 and fixed subassembly 4 and using, can the person of facilitating the use adjust the specification and dimension of anchor clamps, and then enlarge the adaptation scope, improve the suitability.
In an embodiment, referring to fig. 2, rubber protection pads 132 are fixedly installed on opposite sides of the pressing baffle 22 and the second connecting strip 14, and by arranging the rubber protection pads 132, the clamping stability and the protection performance of the sensor clamp can be improved, the abrasion to the sensor can be reduced, and the usability can be improved.
The working principle is as follows: when the sensor clamping device is used, the fastening bolt 43 is loosened, the second connecting lath 14 is moved to a proper position, then the fastening bolt 43 is screwed again, the limiting block 26 is pulled to enable the limiting rod 25 to drive the pressing baffle 22 to synchronously move, the pressing baffle 22 enables the mounting disc 23 on the supporting shaft 21 to stretch the spring 24, the sensor is placed on the two L-shaped placing plates 31, the limiting block 26 is loosened, the spring 24 is reset to enable the pressing baffle 22 to extrude the sensor, so that the sensor is clamped and fixed between the second connecting lath 14 and the pressing baffle 22, the clamping stability and the protection performance of the sensor clamp can be improved by arranging the rubber protection pad 132, the abrasion caused to the sensor is reduced, the clamping elasticity can be controlled by controlling the distance between the second connecting lath 14 and the pressing baffle 22 in the clamping process, and the clamping elasticity can be controlled by assisting a user in clamping the sensor, prevent that sensor test fixture from producing too big clamping-force and causing the influence when to the sensor centre gripping, improve test accuracy nature to use through the cooperation that sets up placing assembly 3 and fixed subassembly 4, can the person of facilitating the use adjust the specification and dimension of anchor clamps, and then enlarge the adaptation scope, improve the suitability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A MEMS sensor test fixture, includes mounting panel (1), its characterized in that: the mounting plate is characterized in that connecting lug plates (11) are fixedly mounted on two sides of the mounting plate (1), a conductive plate (12) is fixedly mounted in the middle of the top end of the mounting plate (1), a first connecting strip plate (13) is fixedly mounted on one side of the top end of the mounting plate (1), a second connecting strip plate (14) is movably mounted on the other side of the top end of the mounting plate (1), an auxiliary groove (131) is formed in one side of the first connecting strip plate (13), a supporting assembly (2) is arranged in the auxiliary groove (131), the supporting assembly (2) comprises a supporting shaft (21), a pressing baffle plate (22), a mounting disc (23), a spring (24), a limiting rod (25) and a limiting block (26), placing assemblies (3) are arranged on two sides of the top end of the mounting plate (1), and the placing assemblies (3) comprise L-shaped placing plates (31), mounting grooves (32) and locking bolts (33), the bottom end of the second connecting batten (14) is provided with a fixing component (4) penetrating through the mounting plate (1), and the fixing component (4) comprises a connecting shaft (41), a fixing batten (42) and a fastening bolt (43).
2. The MEMS sensor test fixture of claim 1, wherein: support shaft (21) fixed mounting compresses tightly baffle (22) one side and passes supplementary recess (131), mounting disc (23) fixed mounting is in support shaft (21) one side, spring (24) fixed mounting is between first connecting strip board (13) and mounting disc (23) and overlaps in the support shaft (21) outside, gag lever post (25) fixed mounting is in compressing tightly the middle department in baffle (22) one side and passes supplementary recess (131), stopper (26) fixed mounting is in gag lever post (25) one side and with first connecting strip board (13) laminating.
3. The MEMS sensor test fixture of claim 1, wherein: l type is placed board (31) movable mounting and is placed board (31) top both sides in mounting panel (1), L type is placed board (31) top in offering in mounting groove (32), locking bolt (33) movable mounting is inside and with mounting panel (1) threaded connection in mounting groove (32).
4. The MEMS sensor test fixture of claim 3, wherein: connecting axle (41) fixed mounting passes mounting panel (1) and second connection slat (14) fixed connection in fixed slat (42) top both sides, fastening bolt (43) movable mounting in fixed slat (42) bottom middle department and with mounting panel (1) threaded connection.
5. The MEMS sensor test fixture of claim 1, wherein: a plurality of first thread grooves that are the equidistance and distribute are all seted up to mounting panel (1) top both sides, a plurality of second thread grooves that are the equidistance and distribute are seted up to mounting panel (1) bottom.
6. The MEMS sensor test fixture of claim 1, wherein: and rubber protection pads (132) are fixedly arranged on the opposite sides of the pressing baffle (22) and the second connecting strip plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589498.XU CN216898985U (en) | 2022-03-17 | 2022-03-17 | MEMS sensor test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589498.XU CN216898985U (en) | 2022-03-17 | 2022-03-17 | MEMS sensor test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216898985U true CN216898985U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220589498.XU Active CN216898985U (en) | 2022-03-17 | 2022-03-17 | MEMS sensor test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN216898985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554789A (en) * | 2024-01-11 | 2024-02-13 | 远东(三河)多层电路有限公司 | PCB board test fixture |
-
2022
- 2022-03-17 CN CN202220589498.XU patent/CN216898985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117554789A (en) * | 2024-01-11 | 2024-02-13 | 远东(三河)多层电路有限公司 | PCB board test fixture |
| CN117554789B (en) * | 2024-01-11 | 2024-03-19 | 远东(三河)多层电路有限公司 | PCB board test fixture |
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