CN217586109U

CN217586109U - Pressure sensor base

Info

Publication number: CN217586109U
Application number: CN202221709315.XU
Authority: CN
Inventors: 梁超
Original assignee: Baoji Xinbohua Electromechanical Technology Co ltd
Current assignee: Baoji Xinbohua Electromechanical Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-14
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a pressure sensor base, the top of base is provided with the casing, the top of casing is provided with electric connector, the bottom of base is provided with the pressure through-hole, the inner wall of base is provided with sensing element, the inner wall of base is provided with the heat absorption piece, the lateral wall of heat absorption piece is provided with the cooling box, the lateral wall of cooling box is provided with the fin, the bottom of base is provided with the spring, the one end of spring is provided with the compression piece, the one end of compression piece is provided with the elasticity sealed bubble; the utility model provides an among the technical scheme, through setting up the fin, reach and improve heat dispersion, avoid sensing element to receive high temperature to influence easily and accelerate its ageing speed, reduce its life's purpose, through setting up the compression piece, reach the leakproofness that improves the junction, avoid pressure to leak and make the inside sensing element of sensor descend to the monitoring degree of accuracy of pressure, reduce the purpose of sensor precision.

Description

Pressure sensor base

Technical Field

The utility model relates to a pressure sensor technical field specifically is pressure sensor base.

Background

The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like, and the quality of the pressure sensor is directly influenced by the quality of a base of the pressure sensor.

The prior art has the following defects or problems:

1. when the existing pressure sensor base is used, due to the fact that structural sealing requirements are high, a sensing element in the base is difficult to effectively dissipate heat and cool generated heat when working, and therefore the sensing element is easily influenced by high temperature, aging rate of the sensing element is accelerated, and service life of the sensing element is shortened;

2. the existing pressure sensor base is generally simple in structure, so that a gap is easily generated at the joint between the base and a measured body, the pressure of the measured body leaks out through the gap at the joint, the monitoring accuracy of a sensing element inside the sensor on the pressure is reduced, and the accuracy of the sensor is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide the pressure sensor base to the weak point of prior art to the problem that provides in the solution background art.

In order to achieve the above object, the utility model provides a following technical scheme: the pressure sensor comprises a pressure sensor base, wherein a shell is arranged at the top end of the base, an electric connector is arranged at the top end of the shell, a pressure through hole is formed in the bottom end of the base, a sensing element is arranged on the inner wall of the base, a heat absorption block is arranged on the inner wall of the base, a cooling box is arranged on the side wall of the heat absorption block, radiating fins are arranged on the side wall of the cooling box, a spring is arranged at the bottom end of the base, a compression block is arranged at one end of the spring, and an elastic sealing bubble is arranged at one end of the compression block.

Optionally, the side wall of the heat absorbing block is provided with a through hole, and the heat absorbing block is of an annular structure.

Optionally, the heat sink is of a circular ring structure, and a ventilation slot is formed in the heat sink.

Optionally, the elastic sealing bubble is made of rubber.

Optionally, the bottom end of the base is provided with a sliding groove, and the compression block is slidably connected to the bottom end of the base through being matched with the sliding groove.

Optionally, the bottom of the base is provided with a fastening thread.

Optionally, the top of the base is screwed with the inner wall of the housing through threads.

Compared with the prior art, the utility model provides a pressure sensor base possesses following beneficial effect:

1. the utility model discloses a set up the fin, and adsorb the heat that sensing element produced through the heat absorption piece and concentrate, cool off the cooling through the cooling box, and adsorb and scatter the heat outward through the fin, increase the area of contact with coolant liquid and air through-hole and ventilation slotted hole, accelerate the efficiency that the heat scatters outward, thereby reach and improve heat dispersion, avoid sensing element to receive the high temperature influence easily and accelerate its ageing rate, reduce its life's purpose;

2. the utility model discloses a set up the compression piece to reaction force through the spring makes the compression piece inseparable with being connected of the body under test's connection face laminating, and it is sealed to fill through the gap that elasticity sealed bubble atress warp and produce the junction, thereby reaches the leakproofness that improves the junction, avoids pressure to leak and makes the inside sensing element of sensor descend to the monitoring degree of accuracy of pressure, reduces the purpose of sensor precision.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a bottom view of the structure of the present invention;

fig. 3 is a top view of the heat sink structure of the present invention.

In the figure: 1. a base; 2. a pressure through hole; 3. a housing; 4. an electrical connector; 5. a sensing element; 6. a heat absorbing block; 7. a through hole; 8. a cooling box; 9. a heat sink; 10. a ventilation slot; 11. a spring; 12. compressing the block; 13. the bubble is sealed elastically.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, in this embodiment: the pressure sensor comprises a pressure sensor base, wherein a shell 3 is arranged at the top end of the base 1 and is hermetically connected with the base through the shell 3, an electric connector 4 is arranged at the top end of the shell 3 and is electrically connected with data transmission through the electric connector 4, a pressure through hole 2 is arranged at the bottom end of the base 1 and is used for applying pressure through the pressure through hole 2, a sensing element 5 is arranged on the inner wall of the base 1, the pressure is monitored and operated and fed back through the sensing element 5 consisting of a pressure sensitive element and a signal processing unit, a heat absorption block 6 is arranged on the inner wall of the base 1 and is used for absorbing and concentrating heat through the heat absorption block 6, a cooling box 8 is arranged on the side wall of the heat absorption block 6 and is used for cooling and reducing the absorbed heat through the cooling box 8, a cooling fin 9 is arranged on the side wall of the cooling box 8 and is used for absorbing and dissipating heat through the cooling fin 9, a spring 11 is arranged at the bottom end of the base 1 and is used for providing acting force through the spring 11 and is used for clinging, a compression block 12 is arranged at one end of the spring 11 and is used for clinging through the compression block 12, and is arranged at one end of the compression block 12, and is provided with an elastic sealing bubble 13; the gap is filled and sealed by the elastic sealing bubble 13 deforming under force.

Furthermore, the side wall of the heat absorption block 6 is provided with a through hole 7, and the heat absorption block 6 is of an annular structure; the contact area between the cooling liquid and the through hole 7 is increased, and the cooling speed is accelerated.

Further, the radiating fin 9 is of a circular ring structure, and a ventilation slot hole 10 is formed in the radiating fin 9; the contact area with the air is increased through the ventilation slot holes 10, so that the heat dissipation rate is increased.

Further, the elastic sealing bubble 13 is made of rubber; and filling and sealing are performed through the deformation of the rubber under the stress.

Furthermore, the bottom end of the base 1 is provided with a sliding chute, and the compression block 12 is slidably connected to the bottom end of the base 1 by fitting with the sliding chute; the compression block 12 is matched with the sliding groove and is slidably connected to the bottom end of the base 1, so that the compression block 12 can be adjusted in a telescopic sliding mode at the bottom end of the base 1.

Further, the bottom of the base 1 is provided with a fastening thread; the top of the base 1 is spirally connected with the inner wall of the shell 3 through threads; convenient connection and installation are carried out through fastening threads.

The utility model discloses a theory of operation and use flow: when the device is used, the fastening thread at the bottom of the base 1 is spirally connected with a measured body, the compression spring 11 is stressed through the compression block 12, the compression block 12 is tightly attached to the connecting surface of the measured body through the reaction force of the spring 11, the elastic sealing bubble 13 is stressed and deformed, gaps generated at the connecting part are filled and sealed, the sealing performance of the connecting part is improved, the monitoring accuracy of a sensing element 5 inside a sensor on pressure is reduced due to the fact that pressure leaks, the accuracy of the sensor is reduced, after the connection, the pressure of the measured body is input into a structure through the pressure through hole 2, the pressure is monitored and operated and fed back through the sensing element 5 consisting of the pressure sensing element and the signal processing unit, data is transmitted to a display device for feedback while power-on connection is carried out through the electric connector 4, meanwhile, heat generated when the sensing element 5 works is absorbed and concentrated through the heat absorption block 6, the heat of the heat absorption block 6 is cooled through cooling liquid in the cooling box 8, the contact area with the cooling liquid is increased, the cooling liquid is accelerated, the cooling liquid contact rate is increased, the heat dissipation rate is increased, and the heat dissipation rate is increased, the heat consumption of an external heat sink is improved, and the heat dissipation effect is improved, and the aging of the cooling liquid is improved.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. Pressure sensor base, its characterized in that: the heat-absorbing device is characterized in that a shell (3) is arranged at the top end of a base (1), an electric connector (4) is arranged at the top end of the shell (3), a pressure through hole (2) is formed in the bottom end of the base (1), a sensing element (5) is arranged on the inner wall of the base (1), a heat-absorbing block (6) is arranged on the inner wall of the base (1), a cooling box (8) is arranged on the side wall of the heat-absorbing block (6), cooling fins (9) are arranged on the side wall of the cooling box (8), a spring (11) is arranged at the bottom end of the base (1), a compression block (12) is arranged at one end of the spring (11), and an elastic sealing bubble (13) is arranged at one end of the compression block (12).

2. The pressure sensor mount of claim 1, wherein: the side wall of the heat absorption block (6) is provided with a through hole (7), and the heat absorption block (6) is of an annular structure.

3. The pressure sensor mount of claim 1, wherein: the radiating fin (9) is of a circular ring structure, and a ventilation slot hole (10) is formed in the radiating fin (9).

4. The pressure sensor mount of claim 1, wherein: the elastic sealing bubble (13) is made of rubber as a raw material.

5. The pressure sensor base of claim 1, wherein: the bottom end of the base (1) is provided with a sliding groove, and the compression block (12) is in sliding connection with the bottom end of the base (1) through matching with the sliding groove.

6. The pressure sensor mount of claim 1, wherein: the bottom of the base (1) is provided with fastening threads.

7. The pressure sensor mount of claim 1, wherein: the top of the base (1) is in threaded connection with the inner wall of the shell (3).