CN210665778U

CN210665778U - High accuracy acceleration sensor's fixed subassembly

Info

Publication number: CN210665778U
Application number: CN201922075866.XU
Authority: CN
Inventors: 张义; 鲁鹏
Original assignee: Shenzhen Rion Technology Co ltd
Current assignee: Shenzhen Rion Technology Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-02
Anticipated expiration: 2029-11-27

Abstract

The utility model belongs to the technical field of sensor equipment and specifically relates to a high accuracy acceleration sensor's fixed subassembly, including bottom, first panel, second panel and casing, bottom, first panel and second panel set gradually in the casing bottom from bottom to top, first panel with the second panel is connected through the pin header, the casing top is equipped with five-pin signal connector, five-pin signal connector lower extreme is equipped with the connector needle, the inside upper portion of casing is equipped with gluey groove, the inside gluey groove department of being close to of casing is equipped with the bottom step, the bottom step is fitted with a contraceptive ring and is equipped with the pillar, the second panel location is detained and the second panel locating hole, first panel locating hole has been seted up on the pillar, casing bottom four corners department is equipped with the installation step. The utility model discloses a high accuracy acceleration sensor convenient assembling, protection level is high, and impact resistance and the good effect of anti-seismic performance have improved high accuracy acceleration sensor's integrated level moreover, have reduced the holistic volume of fixed subassembly.

Description

High accuracy acceleration sensor's fixed subassembly

Technical Field

The utility model relates to a sensor equipment field specifically is a high accuracy acceleration sensor's fixed subassembly.

Background

The high-precision acceleration sensor based on the acceleration principle is the direction of the digital development of the current acceleration testing instrument, is common in daily life of people, has a plurality of application occasions, and can be applied to the fields of buildings, roads, automobiles, bridges, petroleum, coal mines, geological exploration and the like. Compared with the traditional piezoelectric acceleration sensor, the high-precision acceleration sensor can directly measure the acceleration of a measured object, the stainless steel shell greatly improves the reliability and stability of the acceleration sensor, is small in size and convenient to carry, and can greatly improve the working efficiency, but the mechanical stability and reliability of the high-precision acceleration sensor and the technical problem of complex assembly are a big problem to be solved in the technical field of current detection.

Therefore, how to provide a fixing component of a high-precision acceleration sensor, which can improve the mechanical stability, reliability and impact resistance of the acceleration sensor and is convenient to assemble, becomes a problem to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy acceleration sensor's fixed subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fixing component of a high-precision acceleration sensor comprises a bottom cover, a first panel, a second panel and a shell, wherein the bottom cover, the first panel and the second panel are sequentially arranged at the bottom end of the shell from bottom to top, the first panel is connected with the second panel through pins, a five-pin signal connector is arranged at the top of the shell, a connector pin head is arranged at the lower end of the five-pin signal connector, a glue groove is formed in the upper portion of the interior of the shell, a bottom step is arranged in the shell close to the glue groove, a table post, a second panel positioning buckle and a second panel positioning hole are arranged on the bottom step in a sleeved mode, a first panel positioning hole is formed in the table post, mounting steps are arranged at four corners of the bottom of the shell, inner threads are arranged at the lower end of the interior of the shell, positioning clamping grooves are formed in two sides of the second panel, and a second panel notch is, the improved structure of the bottom cover comprises a first panel, a second panel and a bottom cover, and is characterized in that five-hole welding pads are arranged in the middle of the second panel, a second panel pin arranging hole is formed in the position, close to a pin arranging hole, of the second panel, first panel grooves are formed in the positions, close to the back face, of a first panel base face, first panel pin arranging holes are formed in the position, close to the pin arranging hole, of the first panel, positioning holes are formed in the two sides of the upper end of the first panel, a bottom cover groove is formed.

Preferably, the second panel is provided with a high-precision X sensitive axis acceleration sensor, a high-precision Y sensitive axis acceleration sensor, a high-precision Z sensitive axis acceleration sensor, an AD acquisition module and a communication module.

Preferably, a power module and a digital signal acquisition and processing module are arranged on the first panel.

Preferably, the connector pin of the five-pin signal connector is correspondingly welded with the five-hole welding disc on the second panel through the opening on the top of the shell.

Preferably, all be equipped with epoxy glue in glue groove and the bottom recess, just five needle signal connector and casing pass through epoxy glue and glue integrative formation.

Preferably, the second panel positioning buckle in the shell is clamped with the second panel notch of the second panel, and the second panel positioning hole is connected with the second panel through a fixing screw.

Preferably, the table column is provided with two groups, and the first panel positioning hole in the table column is connected with the first panel through a fixing screw.

Preferably, the bottom cover is buckled with the bottom end of the shell, and the bottom cover is screwed with the shell through the external threads of the bottom cover and the internal threads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a casing, first panel, second panel and bottom cooperation are connected, high accuracy acceleration sensor convenient assembling has been realized, protection level is high, mechanical stability and reliability, the effect that shock resistance and anti-seismic performance are good, with high accuracy X sensitive axle acceleration sensor, high accuracy Y sensitive axle acceleration sensor and high accuracy Z sensitive axle acceleration sensor and AD acquisition module, communication module is integrated on the second panel, and with power module, digital signal gathers processing module and integrates on first panel, high accuracy acceleration sensor's integrated level has been improved, the holistic volume of fixed subassembly has been reduced.

2. The utility model discloses first panel and second panel are closely even as an organic whole through arranging the needle, have both strengthened the stability of first panel and second panel installation, have reduced again and have occupied the volume.

3. The utility model discloses all be equipped with epoxy glue in glue groove and the bottom recess, glue the groove and pour into epoxy glue and flush with the groove face, can firmly fix five needle signal connector, prevent that five needle signal connector from droing, casing and five needle signal connector form an organic whole, and the casing is inside to be filled with epoxy glue, fills into the bottom recess, can further fix the bottom, prevents to unpack apart and increase product waterproof performance.

4. The utility model discloses the inside second panel location of casing is detained and can be guaranteed that second panel installation axial is parallel with the casing axis, and the inside second panel locating hole of casing and bottom step can support and fix the second panel simultaneously, improves the shock resistance and the mechanical stability of second panel greatly.

5. The utility model discloses first panel locating hole on two inside platforms of casing can accurate fixed first panel, and first panel has first panel recess in second panel fixed screw department design, and easy to assemble is fixed and dismantles.

Drawings

Fig. 1 is a structural diagram of a fixing assembly of the high-precision acceleration sensor provided by the utility model.

In the figure: 1-bottom cover, 2-first panel, 3-second panel, 4-shell, 5-five-pin signal connector, 6-pillar, 7-first panel positioning hole, 8-internal screw thread, 9-second panel positioning buckle, 10-bottom step, 11-glue groove, 12-second panel positioning hole, 13-installation step, 14-positioning clamping groove, 15-bottom cover groove, 16-five-hole welding pad, 17-second panel pin arranging hole, 18-pin arranging hole, 19-positioning hole, 20-first panel pin arranging hole, 21-first panel groove, 22-bottom cover external thread, 23-connector pin head and 24-second panel gap.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-1, the present invention provides a technical solution:

a fixing component of a high-precision acceleration sensor comprises a bottom cover 1, a first panel 2, a second panel 3 and a shell 4, wherein the bottom cover 1, the first panel 2 and the second panel 3 are sequentially arranged at the bottom end of the shell 4 from bottom to top, the second panel 3 is provided with a high-precision X sensitive shaft acceleration sensor, a high-precision Y sensitive shaft acceleration sensor, a high-precision Z sensitive shaft acceleration sensor, an AD acquisition module and a communication module, the first panel 2 is provided with a power module and a digital signal acquisition and processing module, the first panel 2 is connected with the second panel 3 through pins 18, the top of the shell 4 is provided with a five-pin signal connector 5, the lower end of the five-pin signal connector 5 is provided with a connector pin head 23, the upper part inside the shell 4 is provided with a glue groove 11, the bottom step 10 is arranged in the shell 4 and close to the glue groove 11, and a pillar 6 and a pillar are arranged on the, A second panel positioning buckle 9 and a second panel positioning hole 12, a first panel positioning hole 7 is arranged on the column 6, two groups of columns 6 are arranged, the first panel positioning hole 7 on the column 6 is connected with the first panel 2 through a fixing screw, mounting steps 13 are arranged at four corners of the bottom of the shell 4, inner threads 8 are arranged at the lower end of the inside of the shell 4, positioning clamping grooves 14 are arranged at two sides of the second panel 3, a second panel gap 24 is arranged at one side of the second panel 3, the second panel positioning buckle 9 in the shell 4 is clamped with the second panel gap 24 of the second panel 3, the second panel positioning hole 12 is connected with the second panel 3 through a fixing screw, a five-hole welding pad 16 is arranged at the middle of the second panel 3, a connector pin 23 of the five-pin signal connector 5 is correspondingly welded with the five-hole welding pad 16 on the second panel 3 through an opening at the top of the shell 4, a second panel row pin 17 is arranged at the position of the second panel 3 close to the row pin, first panel recess 21 has been seted up to 2 base planes of first panel and back department, first panel row pinhole 20 has been seted up to 18 departments of being close to row's needle on the first panel 2, locating hole 19 has all been seted up to the both sides of 2 upper ends of first panel, bottom recess 15 has been seted up to the department in the middle of the bottom 1, all be equipped with epoxy glue in glue groove 11 and the bottom recess 15, and five needle signal connector 5 and casing 4 glue the formation integratively through epoxy glue, bottom 1 outside is equipped with bottom external screw thread 22, the bottom lock of bottom 1 and casing 4, and connect through bottom external screw thread 22 and interior screw thread 8 screw thread between bottom 1 and the casing 4.

The utility model discloses work flow: firstly, the utility model realizes the convenient assembly of the high precision acceleration sensor, the high protection level, the mechanical stability and the reliability, the good effect of the shock resistance and the shock resistance by matching and connecting the shell 4, the first panel 2, the second panel 3 and the bottom cover 1, integrates the high precision X sensitive axis acceleration sensor, the high precision Y sensitive axis acceleration sensor, the high precision Z sensitive axis acceleration sensor, the AD acquisition module and the communication module on the second panel 3, and integrates the power module and the digital signal acquisition processing module on the first panel 2, improves the integration level of the high precision acceleration sensor, reduces the whole volume of the fixed component, the first panel 2 and the second panel 3 are tightly connected into a whole through the pin header 18, not only enhances the installation stability of the first panel 2 and the second panel 3, but also reduces the occupied volume, the glue groove 11 and the bottom cover groove 15 are both provided with epoxy resin glue, the glue groove 11 is filled with epoxy resin glue to be flush with the groove surface, the five-pin signal connector 5 can be firmly fixed to prevent the five-pin signal connector 5 from falling off, the shell 4 and the five-pin signal connector 5 are integrated, the center of the second panel 3 is provided with a welding hole consistent with the connector pin 23 of the five-pin signal connector 5, the connector pin 23 is connected with the second panel 3, data transmission between external equipment and a high-precision acceleration sensor can be carried out through the connector pin 23, external data can be input, internal data can be output, the accuracy and stability of data detection of the high-precision acceleration sensor are ensured, the shell 4 is filled with the epoxy resin glue and is filled with the bottom cover groove 15, the bottom cover 1 can be further fixed to prevent disassembly and increase the waterproof performance of a product, the second panel positioning buckle 9 in the shell 4 can ensure that the mounting axial direction of the second panel 3 is parallel to the axis of the shell 4, simultaneously inside second panel locating hole 12 of casing 4 and bottom step 10 can support and fixed second panel 3, improve second panel 3's shock resistance and mechanical stability greatly, first panel locating hole 8 on two stands 6 inside casing 4 can accurate fixed first panel 2, first panel 2 has first panel recess 21 in the screw department design that second panel 3 is fixed, make things convenient for first panel 2 installation dismantlement, make the quick convenient installation of fixed subassembly, dismantle, guarantee the reliability and the stability of the mechanical properties of the accurate sensitive device on the first panel 2, casing 4 bottom design has installation step 13, can further guarantee mounting plane's levelness.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy acceleration sensor's fixed subassembly, includes bottom (1), first panel (2), second panel (3) and casing (4), its characterized in that: the bottom cover (1), the first panel (2) and the second panel (3) are sequentially arranged at the bottom end of the shell (4) from bottom to top, the first panel (2) is connected with the second panel (3) through the pin header (18), a five-pin signal connector (5) is arranged at the top of the shell (4), a connector pin head (23) is arranged at the lower end of the five-pin signal connector (5), a glue groove (11) is arranged at the upper part inside the shell (4), a bottom step (10) is arranged inside the shell (4) and close to the glue groove (11), a table post (6), a second panel positioning buckle (9) and a second panel positioning hole (12) are arranged on the bottom step (10) in a surrounding mode, a first panel positioning hole (7) is formed in the table post (6), installation steps (13) are arranged at four corners of the bottom of the shell (4), and inner threads (8) are arranged at the lower end inside the shell (4), second panel (3) both sides are equipped with positioning channel groove (14), second panel (3) one side is equipped with second panel breach (24), department is equipped with five hole pads (16) in the middle of second panel (3), second panel (3) are close to row needle (18) department and have seted up second panel row needle hole (17), first panel recess (21) have been seted up to first panel (2) base face and back department, first panel row needle hole (20) have been seted up to department of being close to row needle (18) on first panel (2), locating hole (19) have all been seted up to the both sides of first panel (2) upper end, bottom recess (15) have been seted up to department in the middle of bottom (1), bottom (1) outside is equipped with bottom external screw thread (22).

2. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: and the second panel (3) is provided with a high-precision X sensitive axis acceleration sensor, a high-precision Y sensitive axis acceleration sensor, a high-precision Z sensitive axis acceleration sensor, an AD acquisition module and a communication module.

3. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: the first panel (2) is provided with a power supply module and a digital signal acquisition and processing module.

4. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: and connector pins (23) of the five-pin signal connector (5) are correspondingly welded with five-hole welding pads (16) on the second panel (3) through holes in the top of the shell (4).

5. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: the glue groove (11) and the bottom cover groove (15) are internally provided with epoxy resin glue, and the five-pin signal connector (5) and the shell (4) are glued into a whole through the epoxy resin glue.

6. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: the second panel positioning buckle (9) in the shell (4) is connected with a second panel notch (24) of the second panel (3) in a clamping mode, and the second panel positioning hole (12) is connected with the second panel (3) through a fixing screw.

7. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: the table column (6) is provided with two groups, and the first panel positioning hole (7) in the table column (6) is connected with the first panel (2) through a fixing screw.

8. The fixing assembly of the high-precision acceleration sensor according to claim 1, characterized in that: the bottom cover (1) is buckled with the bottom end of the shell (4), and the bottom cover (1) is in threaded connection with the shell (4) through the bottom cover external threads (22) and the internal threads (8).