阅读说明：本技术 一种高精度加速度传感器的固定组件 (High accuracy acceleration sensor's fixed subassembly ) 是由 张义 鲁鹏 于 2019-11-27 设计创作，主要内容包括：本发明涉及传感器设备领域,尤其为一种高精度加速度传感器的固定组件,包括底盖、第一面板、第二面板以及壳体,所述底盖、第一面板和第二面板自下而上依次设置在壳体底端,所述第一面板与所述第二面板通过排针连接,所述壳体顶部设有五针信号连接器,所述五针信号连接器下端设有连接器针头,所述壳体内部的上部设有胶槽,所述壳体内部靠近胶槽处设有底部台阶,所述底部台阶上环设有台柱、第二面板定位扣和第二面板定位孔,所述台柱上开设有第一面板定位孔,所述壳体底部四角处设有安装台阶。本发明实现了高精度加速度传感器装配方便,防护等级高,抗冲击和抗震性能好的效果,而且提高了高精度加速度传感器的集成度,缩小了固定组件整体的体积。(The invention relates to the field of sensor equipment, in particular to a fixing assembly of a high-precision acceleration sensor, which 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 arranged at the upper part inside the shell, a bottom step is arranged in the shell and close to the glue groove, a table post, a second panel positioning buckle and a second panel positioning hole are annularly arranged on the bottom step, a first panel positioning hole is formed in the table post, and mounting steps are arranged at four corners of the bottom of the shell. The invention realizes the effects of convenient assembly of the high-precision acceleration sensor, high protection grade and good shock resistance and anti-seismic performance, improves the integration level of the high-precision acceleration sensor and reduces the integral volume of the fixed assembly.)

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).

Technical Field

The invention relates to the field of sensor equipment, in particular to a fixing assembly of a high-precision acceleration sensor.

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.

Disclosure of Invention

The present invention is directed to a fixing assembly of a high-precision acceleration sensor, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the invention provides the 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 invention has the beneficial effects that:

1. according to the invention, the shell, the first panel, the second panel and the bottom cover are connected in a matching manner, so that the effects of convenient assembly of the high-precision acceleration sensor, high protection level, mechanical stability and reliability, and good impact resistance and shock resistance are realized, 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 are integrated on the second panel, and the power supply module and the digital signal acquisition processing module are integrated on the first panel, so that the integration degree of the high-precision acceleration sensor is improved, and the whole volume of the fixed assembly is reduced.

2. The first panel and the second panel are tightly connected into a whole through the pin header, so that the mounting stability of the first panel and the second panel is enhanced, and the occupied volume is reduced.

3. Epoxy resin glue is arranged in the glue groove and the bottom cover groove, the epoxy resin glue is filled into the glue groove and is flush with the groove surface, the five-pin signal connector can be firmly fixed, the five-pin signal connector is prevented from falling off, the shell and the five-pin signal connector are integrated, the epoxy resin glue is filled into the shell and is filled into the bottom cover groove, the bottom cover can be further fixed, the detachment is prevented, and the waterproof performance of a product is improved.

4. The second panel positioning buckle in the shell can ensure that the mounting axial direction of the second panel is parallel to the axis of the shell, and meanwhile, the second panel positioning hole and the bottom step in the shell can support and fix the second panel, so that the impact resistance and the mechanical stability of the second panel are greatly improved.

5. The first panel positioning holes in the two table columns in the shell can accurately fix the first panel, and the first panel is provided with the first panel groove at the position of the second panel fixing screw, so that the first panel groove is convenient to mount, fix and dismount.

Drawings

Fig. 1 is a structural view of a fixing assembly of a high-precision acceleration sensor according to the present invention.

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 solutions 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 a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope 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 working process of the invention is as follows: firstly, the invention realizes the effects of convenient assembly of the high-precision acceleration sensor, high protection level, high mechanical stability and reliability, and good shock resistance and 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, integrates the power supply 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 integral volume of the fixed component, tightly connects the first panel 2 and the second panel 3 into a whole through the pin header 18, enhances the mounting stability of the first panel 2 and the second panel 3, reduces the occupied volume, and arranges epoxy resin glue in the glue groove 11 and the bottom cover groove 15, 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.