CN209606008U - A kind of pressure sensor - Google Patents

Abstract

The utility model relates to pressure sensor technique fields, in particular a kind of pressure sensor, including apparatus main body, plug, display and connector and tube body, the top of described device main body is equipped with plug, display is installed on the right side of described device main body, the junction of described device main body and display is equipped with the first sealing ring, tube body is installed on the right side of the display, the junction of the display and tube body is equipped with the second sealing ring, the tube body is equipped with external screw thread far from the one side periphery of display, the inner wall of the tube body is equipped with Silica hydrogel protective layer, the inner right side of the tube body is equipped with fixed copper sheet, integrated chip is installed inside the right side for being internally located at fixed copper sheet of the tube body, single unit system structure is simple, avoid corrosion and blockage problem, replacement can not be repaired by avoiding the sensor Part of conventional monolithic from damaging It results in waste of resources, can intuitively show that pressure numerical value is surveyed in reading, and stability and practicability are higher, have certain promotional value.

Description

A kind of pressure sensor

Technical field

The utility model relates to pressure sensor technique field, specially a kind of pressure sensor.

Background technique

Pressure sensor is a kind of sensor the most commonly used in industrial practice, is widely used in various industrial automatic control rings Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, Numerous industries such as lathe, pipeline, existing pressure sensor, in the working environment for having stronger corrosive medium, contact medium Part be easy to be corroded, to damage, while non-dismountable maintenance replacement inner body results in waste of resources, and does not have Intuitive display, which is read, surveys pressure numerical value, it is therefore desirable to which a kind of pressure sensor makes improvement to the above problem.

Utility model content

The purpose of this utility model is to provide a kind of pressure sensors, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of pressure sensor, including device master Body, plug, display and connector and tube body, the top of described device main body are equipped with plug, and the right side of described device main body is pacified Equipped with display, the junction of described device main body and display is equipped with the first sealing ring, the right side installation of the display There is a tube body, the junction of the display and tube body is equipped with the second sealing ring, one side periphery of the tube body far from display Equipped with external screw thread, the inner wall of the tube body is equipped with Silica hydrogel protective layer, and the inner right side of the tube body is equipped with fixed copper sheet, institute It states integrated chip is installed inside the right side for being internally located at fixed copper sheet of tube body, the tube body is internally located at integrated chip Right side is equipped with isolation diaphragm, and being internally located on the right side of isolation diaphragm for the tube body is equipped with diffusion silicon core, the tube body Right side connector is installed, the inside junction of the connector is equipped with internal screw thread close to external screw thread, and the right side of the connector is equipped with The inside of pressure tap, the connector is equipped with damping close to pressure tap, and the outside of the connector is equipped with rotation far from the side of pressure tap Turn vertical line.

Preferably, the display is equipped with liquid crystal display and regulation button, and the display and integrated chip with And it is electrically connected inside diffusion silicon core.

Preferably, the tube body uses corrosion-resistant material.

Preferably, the external screw thread and dimension of inner screw thread Matching installation.

Preferably, the periphery of the connector is equipped with screw thread close to the side of pressure tap.

Preferably, the integrated chip is equipped with pressure-sensing device.

Compared with prior art, the utility model has the beneficial effects that

It 1,, can be quick by the pressure in integrated chip by the display screen on the display of setting in the utility model The element that sensing unit can delicately experience measured variable and respond, the measured part cooperation diffusion silicon core of direct feeling Body, diffusion silicon core are that the core component of pressure sensor can be very square as an a kind of high performance pressure measurement product Just processing is amplified, standard signal output is assembled into and is shown by the liquid crystal display progress digitization on display, is convenient for Viewing, which is read, surveys pressure numerical value, and structure is simple and convenient to use.

2, in the utility model, by the first sealing ring of setting and the second sealing ring and Silica hydrogel protective layer be convenient for every Exhausted air and moisture carry out apparatus main body and display and tubular body, prevent internal integrated chip and diffusion silicon core by Cargo sweat prolongs the service life.

3, it in the utility model, by the rotation grip vertical line of the connector periphery of setting, provides and manually tightens/unscrewing operation Frictional force, while internal screw thread matches with external screw thread on the outside of tube body and screws installation on the inside of connector, in the sealing of guarantee tubular body Property while convenient for rotation dismounting joint carry out inner body maintenance replacement, avoid the sensor Part of conventional monolithic from damaging Replacement can not be repaired to result in waste of resources.

4, in the utility model, the isolation diaphragm by setting is guaranteeing original measurement service precision and sensitivity basis On, corrosion and blockage problem are avoided, is prolonged the service life.

Detailed description of the invention

Fig. 1 is the utility model entirety main view；

Fig. 2 is the utility model overall structure diagram；

Fig. 3 is the utility model entirety side view.

In figure: 1- apparatus main body, 2- plug, 3- display, the first sealing ring of 4-, 5- tube body, 501- external screw thread, 6- second Sealing ring, 7- connector, 701- internal screw thread, 8- pressure tap, 9- rotation vertical line, the fixed copper sheet of 10-, 11- integrated chip, 12- silicon are solidifying Glue protective layer, 13- isolation diaphragm, 14- diffusion silicon core, 15- damping.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of pressure sensor, including apparatus main body 1, The top of plug 2, display 3 and connector 7 and tube body 5, apparatus main body 1 is equipped with plug 2, and the right side of apparatus main body 1 is equipped with Display 3, display 3 are equipped with liquid crystal display and regulation button, and display 3 and integrated chip 11 and diffusion silicon core 14 inside are electrically connected, and by the display screen on the display 3 of setting, can pass through the pressure-sensing device in integrated chip 11 The element that measured variable can be delicately experienced and responded, the measured part cooperation diffusion silicon core 14 of direct feeling, Diffusion silicon core 14 is that the core component of pressure sensor can be very square as an a kind of high performance pressure measurement product Just processing is amplified, standard signal output is assembled into and is shown by the liquid crystal display progress digitization on display 3, is convenient for Viewing, which is read, surveys pressure numerical value, and structure is simple and convenient to use, and the junction of apparatus main body 1 and display 3 is equipped with the first sealing Circle 4, the right side of display 3 are equipped with tube body 5, and tube body 5 uses corrosion-resistant material, and display 3 and the junction of tube body 5 are equipped with Second sealing ring 6, tube body 5 are equipped with external screw thread 501 far from the one side periphery of display 3, and the inner wall of tube body 5 is protected equipped with Silica hydrogel Layer 12, by the first sealing ring 4 of setting and the second sealing ring 6 and Silica hydrogel protective layer 12 convenient for isolation air and moisture into Inside row apparatus main body 1 and display 3 and tube body 5, prevent internal integrated chip 11 and diffusion silicon core 14 by cargo sweat, Prolong the service life, the inner right side of tube body 5 is equipped with fixed copper sheet 10, the right side for being internally located at fixed copper sheet 10 of tube body 5 Inside is equipped with integrated chip 11, integrated chip 11 is equipped with pressure-sensing device, and tube body 5 is internally located at integrated chip 11 Right side is equipped with isolation diaphragm 13, and the isolation diaphragm 13 by setting is guaranteeing original measurement service precision and sensitivity basis On, corrosion and blockage problem are avoided, is prolonged the service life, the right side for being internally located at isolation diaphragm 13 of tube body 5 is equipped with diffusion Silicon core 14, the right side of tube body 5 are equipped with connector 7, and the periphery of connector 7 is equipped with screw thread close to the side of pressure tap 8, connector 7 Inside junction is equipped with internal screw thread 701, external screw thread 501 and 701 size Matching installation of internal screw thread close to external screw thread 501, connector 7 Right side is equipped with pressure tap 8, and the inside of connector 7 is equipped with damping 15 close to pressure tap 8, and the outside of connector 7 is far from the side of pressure tap 8 Equipped with rotation vertical line 9, by the rotation grip vertical line 9 of 7 periphery of the connector of setting, provides and manually tighten/the friction of unscrewing operation Power, while 7 inside internal screw thread of connector matches with external screw thread on the outside of tube body and screws installation, is guaranteeing the leakproofness inside tube body 5 The maintenance replacement of inner body is carried out convenient for rotation dismounting joint simultaneously, avoiding the sensor Part of conventional monolithic from damaging can not Maintenance replacement results in waste of resources, and single unit system structure is simple, avoids corrosion and blockage problem, avoids the sensing of conventional monolithic Device damage parts can not repair replacement and result in waste of resources, and can intuitively show that pressure numerical value is surveyed in reading, and stability and practicability compared with Height has certain promotional value.

Utility model works process: in use, pressure detecting is carried out by the pressure tap 8 on connector 7, by tube body 5 The element that pressure-sensing device in the integrated chip in portion can delicately experience measured variable and respond, direct feeling quilt The part cooperation diffusion silicon core 14 of measurement, diffusion silicon core 14 is the core component of pressure sensor, as a kind of high-performance A pressure measurement product, can easily amplify processing, be assembled into standard signal output by the liquid on display 3 Crystal display screen carries out digitization and shows, reads convenient for viewing and surveys pressure numerical value, by the first sealing ring 4 and the second sealing ring 6 and Silica hydrogel protective layer 12 carries out preventing inside inside apparatus main body 1 and display 3 and tube body 5 convenient for isolation air and moisture Integrated chip 11 and diffusion silicon core 14 by cargo sweat, prolong the service life, by the rotation grip vertical line 9 of the periphery of connector 7, It provides and manually tightens/the frictional force of unscrewing operation, while 7 inside internal screw thread 701 of connector is matched with 5 outside external screw thread 501 of tube body Installation is screwed, carries out the maintenance of inner body more convenient for rotation dismounting joint 7 while guaranteeing the leakproofness inside tube body 5 It changes, avoids the sensor Part damage of conventional monolithic that from can not repairing replacement and result in waste of resources, internal isolation diaphragm 13 exists On the basis of guaranteeing original measurement service precision and sensitivity, corrosion and blockage problem are avoided, is prolonged the service life, single unit system knot Structure is simple, avoids corrosion and blockage problem, avoids the sensor Part damage of conventional monolithic that from can not repairing replacement and causes resource Waste can intuitively show that pressure numerical value is surveyed in reading, and stability and practicability are higher, have certain promotional value.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of pressure sensor, including apparatus main body (1), plug (2), display (3) and connector (7) and tube body (5), Be characterized in that: the top of described device main body (1) is equipped with plug (2), and described device main body is equipped with display on the right side of (1) (3), the junction of described device main body (1) and display (3) is equipped with the first sealing ring (4), the right side of the display (3) It is equipped with tube body (5), the junction of the display (3) and tube body (5) is equipped with the second sealing ring (6), and the tube body (5) is remote One side periphery from display (3) is equipped with external screw thread (501), and the inner wall of the tube body (5) is equipped with Silica hydrogel protective layer (12), institute The inner right side for stating tube body (5) is equipped with fixed copper sheet (10), the right side for being internally located at fixed copper sheet (10) of the tube body (5) Inside is equipped with integrated chip (11), and being internally located on the right side of integrated chip (11) for the tube body (5) is equipped with isolation diaphragm (13), being internally located on the right side of isolation diaphragm (13) for the tube body (5) is equipped with diffusion silicon core (14), the tube body (5) Right side be equipped with connector (7), the inside junction of the connector (7) is equipped with internal screw thread (701) close to external screw thread (501), institute The right side for stating connector (7) is equipped with pressure tap (8), and the inside of the connector (7) is equipped with damping (15) close to pressure tap (8), described The outside of connector (7) is equipped with rotation vertical line (9) far from the side of pressure tap (8).

2. a kind of pressure sensor according to claim 1, it is characterised in that: the display (3) is equipped with liquid crystal Display screen and regulation button, and be electrically connected inside the display (3) and integrated chip (11) and diffusion silicon core (14).

3. a kind of pressure sensor according to claim 1, it is characterised in that: the tube body (5) uses corrosion-resistant material.

4. a kind of pressure sensor according to claim 1, it is characterised in that: the external screw thread (501) and internal screw thread (701) size Matching installation.

5. a kind of pressure sensor according to claim 1, it is characterised in that: pressed close to survey the periphery of the connector (7) The side in hole (8) is equipped with screw thread.

6. a kind of pressure sensor according to claim 1, it is characterised in that: the integrated chip (11) is equipped with pressure Sensing element.