CN218444259U - Capacitance type air pressure sensor - Google Patents

Abstract

The utility model belongs to the technical field of air pressure sensors, and discloses a capacitive air pressure sensor, which comprises an air pressure sensor main body. The bottom end of the main body is provided with a mounting component. The utility model sets the mounting component, the fixing component and the connecting component, etc., and when the main body of the air pressure sensor is to be installed, the mounting component and the fixing component at the bottom of the air pressure sensor can securely fasten it. Installed in the equipment to prevent the main body of the air pressure sensor from loosening in the equipment. In addition, when the main body of the air pressure sensor needs to be disassembled and overhauled, there is no need to disassemble the installation component and the fixing component from the equipment. The connection components between the air pressure sensor body and the installation assembly can be separated to facilitate subsequent maintenance and replacement of the air pressure sensor body.

Description

capacitive air pressure sensor

technical field

The utility model belongs to the technical field of air pressure sensors, in particular to a capacitive air pressure sensor.

Background technique

A capacitive pressure sensor is a pressure sensor that uses a capacitive sensitive element to convert the measured pressure into an electrical output that has a certain relationship with it. It is widely used in electronic devices such as smart phones and smart speakers. During installation, it is usually fixed on the circuit board by adhesive tape. This method is not convenient for subsequent disassembly of the pressure sensor for maintenance and replacement, and the pressure sensor is not fixed enough. In addition, the wires connected to the existing air pressure sensor are With a sealed structure, dust can easily enter the air pressure sensor from the wire connection, which will easily affect its normal use for a long time, and the wire connection is easy to swing when the air pressure sensor vibrates, and it is easy to have poor contact with the air pressure sensor.

Utility model content

The purpose of this utility model is to provide a capacitive air pressure sensor to solve the inconvenience of installation and disassembly of the existing air pressure sensor proposed in the above-mentioned background technology and the fact that dust easily enters the interior of the air pressure sensor from the wire connection and the wires at the wire connection of the air pressure sensor are not aligned. problem of protection.

In order to achieve the above object, the utility model provides the following technical solutions: a capacitive air pressure sensor, comprising:

The main body of the air pressure sensor, the front end of the main body of the air pressure sensor is provided with a measuring head, the end surface of the main body of the air pressure sensor is connected with a wire, and the bottom of the main body of the air pressure sensor is provided with a mounting assembly.

Preferably, the mounting assembly includes a mounting plate and a mounting groove, the mounting plate is arranged at the bottom end of the main body of the air pressure sensor, the mounting groove is opened at the top of the mounting plate, and the bottom end of the air pressure sensor body is embedded in the mounting groove Inside, the two sides of the mounting plate are provided with fixing components.

Preferably, the fixing assembly includes a fixing plate, a threaded groove and a threaded rod, the fixing plate is installed on both sides of the mounting plate, the threaded groove is opened on the top of the fixing plate, and the threaded groove is screwed and connected to the threaded groove Inside, a connecting component is provided between the mounting plate and the main body of the air pressure sensor.

Preferably, the connection assembly includes a connection block and a connection groove, the connection groove is set on four sides of the top end of the installation plate, the connection groove is located below the installation groove, and the connection block is installed on the bottom four sides of the main body of the air pressure sensor. On the side, the connection block is embedded in the connection groove.

Preferably, a collar is sheathed on the outside of the wire, one end of the collar is connected to the rear end surface of the main body of the air pressure sensor, and a plug-in assembly is provided between the collar and the main body of the air pressure sensor.

Preferably, the plug-in assembly includes a socket and an inlay, the socket is opened on an end surface of the collar close to the main body of the air pressure sensor, and the inlay is installed on the main body of the air pressure sensor and is located at both ends of the wire connection port , the slug is embedded in the slot.

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

(1) The utility model is provided with installation components, fixing components and connecting components, etc., when the main body of the air pressure sensor is installed, it can be firmly installed in the equipment through the installation components and fixing components at the bottom of the air pressure sensor, preventing The main body of the air pressure sensor is loose in the equipment. In addition, when the main body of the air pressure sensor needs to be disassembled and overhauled, it is not necessary to disassemble the installation component and the fixed component from the equipment. The main body of the air pressure sensor is separated from the installation component, which facilitates subsequent maintenance and replacement of the main body of the air pressure sensor.

(2) The utility model can prevent dust from entering the main body of the air pressure sensor by setting the collar, embedded groove and insert, etc., through the collar at the connection between the main body of the air pressure sensor and the wire, so that the main body of the air pressure sensor can work normally , wherein the collar can effectively protect the wire at the connection with the main body of the air pressure sensor and prevent it from swinging greatly, thereby avoiding poor contact or oxidation between the wire and the main body of the air pressure sensor. In addition, the collar passes through the insert and the insert Groove connection to facilitate subsequent disassembly when replacing wires.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the mounting assembly of the present utility model;

Figure 3 is an enlarged view of A in Figure 1;

In the figure: 1. The main body of the air pressure sensor; 2. The measuring head; 3. The wire; 4. The mounting plate; 5. The mounting groove; 6. The connecting groove; 7. The connecting block; 8. The fixing plate; Threaded rod; 11, collar; 12, embedded groove; 13, embedded block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-shown in Fig. 3, the utility model provides following technical scheme: capacitive air pressure sensor, comprises:

The main body of the air pressure sensor 1 is provided with a measuring head 2 on the front end of the main body 1 of the air pressure sensor. The end surface of the main body of the air pressure sensor 1 is connected with a wire 3 .

Please refer to Fig. 1-shown in Fig. 2, the mounting assembly includes a mounting plate 4 and a mounting groove 5, the mounting plate 4 is located at the bottom of the air pressure sensor body 1, the mounting groove 5 is opened at the top of the mounting plate 4, and the air pressure sensor body 1 The bottom end is embedded in the installation groove 5, and the two sides of the installation plate 4 are provided with fixing components.

The fixed assembly includes a fixed plate 8, a threaded groove 9 and a threaded rod 10, the fixed plate 8 is installed on both sides of the mounting plate 4, the threaded groove 9 is provided on the top of the fixed plate 8, and the threaded groove 9 is screwed and connected in the threaded groove 9, A connection assembly is provided between the mounting plate 4 and the main body 1 of the air pressure sensor.

The connection assembly includes a connection block 7 and a connection groove 6. The connection groove 6 is provided on the top four sides of the mounting plate 4, the connection groove 6 is located below the installation groove 5, and the connection block 7 is installed on the four sides of the bottom end of the air pressure sensor main body 1. The block 7 is embedded in the connecting groove 6 .

Through the above technical solution: when installing the main body 1 of the air pressure sensor, the installation plate 4 is first placed on the installation seat of the equipment, and then the threaded rod 10 is fixed on the installation seat of the equipment through the thread groove 9, and the air pressure can be adjusted. The sensor main body 1 is firmly fixed, and the installation is relatively simple, which prevents the air pressure sensor main body 1 from loosening in the equipment. In addition, when the air pressure sensor main body 1 needs to be disassembled for maintenance, there is no need to disassemble the mounting plate 4, and the bottom of the air pressure sensor main body 1 The installed connecting block 7 can be disassembled from the mounting plate 4 by moving out of the connecting groove 6, so as to facilitate subsequent maintenance and replacement of the main body 1 of the air pressure sensor.

Please refer to Fig. 1 and Fig. 3, a collar 11 is sleeved on the outside of the wire 3, one end of the collar 11 is connected to the rear end surface of the main body of the air pressure sensor 1, and a plug-in assembly is arranged between the collar 11 and the main body of the air pressure sensor 1 , the plug-in assembly includes a socket 12 and a block 13, the socket 12 is set on an end surface of the collar 11 close to the main body 1 of the air pressure sensor, and the block 13 is installed on the main body 1 of the air pressure sensor and is located at both ends of the connecting port of the wire 3 , The slug 13 is embedded into the slot 12 .

Through the above technical solution: during the use of the air pressure sensor main body 1, the collar 11 arranged at the connection between the wire 3 and the air pressure sensor main body 1 can seal it to prevent dust from entering the air pressure sensor main body 1 and avoid affecting the air pressure sensor main body 1, wherein the set collar 11 can effectively protect the wire 3 at the connection with the air pressure sensor body 1 to prevent it from swinging greatly, thereby avoiding poor contact or oxidation between the wire 3 and the air pressure sensor body 1 , in addition, when the wire 3 needs to be replaced, the insert 13 can be moved out of the insert groove 12, so that the collar 11 can be removed from the main body 1 of the air pressure sensor conveniently.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A capacitive barometric sensor, comprising:

the pressure sensor comprises a pressure sensor body (1), wherein a measuring head (2) is arranged on the front end face of the pressure sensor body (1), a lead (3) is connected to the end face of the pressure sensor body (1), and an installation assembly is arranged at the bottom end of the pressure sensor body (1).

2. The capacitive air pressure sensor according to claim 1, wherein: the installation component comprises an installation plate (4) and an installation groove (5), the bottom of the air pressure sensor main body (1) is arranged on the installation plate (4), the top end of the installation plate (4) is arranged on the installation groove (5), the bottom end of the air pressure sensor main body (1) is embedded into the installation groove (5), and the two sides of the installation plate (4) are provided with fixing components.

3. The capacitive air pressure sensor according to claim 2, wherein: fixed subassembly includes fixed plate (8), thread groove (9) and threaded rod (10), the both sides in mounting panel (4) are installed in fixed plate (8), the top at fixed plate (8) is seted up in thread groove (9), thread groove (9) close soon and connect in thread groove (9), be equipped with coupling assembling between mounting panel (4) and baroceptor main part (1).

4. The capacitive air pressure sensor according to claim 3, wherein: coupling assembling includes connecting block (7) and spread groove (6), four sides on the top of mounting panel (4) are seted up in spread groove (6), spread groove (6) are located the below of mounting groove (5), four sides in the bottom of baroceptor main part (1) are installed in connecting block (7), connecting block (7) are inlayed to in spread groove (6).

5. The capacitive air pressure sensor according to claim 4, wherein: the outside cover of wire (3) is equipped with lantern ring (11), the one end of lantern ring (11) links to each other with baroceptor main part (1) rear end face, be equipped with the grafting subassembly between lantern ring (11) and baroceptor main part (1).

6. The capacitive air pressure sensor according to claim 5, wherein: the splicing assembly comprises an inserting groove (12) and an inserting block (13), the inserting groove (12) is formed in the end face, close to the air pressure sensor main body (1), of the lantern ring (11), the inserting block (13) is installed on the air pressure sensor main body (1) and located at the two ends of the wire (3) connecting port, and the inserting block (13) is embedded into the inserting groove (12).

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