CN219348023U

CN219348023U - Pressure overload alarm type pressure sensor

Info

Publication number: CN219348023U
Application number: CN202222303762.1U
Authority: CN
Inventors: 王小平; 曹万; 张超军; 王浩; 施涛
Original assignee: Nanjing Feien Microelectronics Co ltd
Current assignee: Nanjing Feien Microelectronics Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-07-14
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a pressure overload alarm type pressure sensor which comprises a mounting frame, a pressure sensor body, a polish rod, a fixing block and a fixing strip, wherein connecting plates are arranged on the upper side and the lower side of the inner side of the mounting frame, the pressure sensor body is arranged on the front surface of the mounting frame, a first spring is arranged in the middle of the polish rod, and a buffer baffle is arranged on the outer side of the fixing strip. This pressure overload warning formula pressure sensor is provided with polished rod, slider, first spring, telescopic link, fixed strip and second spring, when buffer baffle received the collision, drives the fixed strip and inwards moves, then drives the telescopic link and extrudees to the fixed block, and then the second spring plays the cushioning effect, and the fixed strip inwards moves simultaneously and drives the connecting strip and rotate under the effect of round pin axle, then drives the slider of upper and lower both sides of polished rod and do relative movement, and then the slider produces the extrusion to first spring to provide dual buffering effect, thereby play the guard action to the pressure sensor body.

Description

Pressure overload alarm type pressure sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a pressure overload alarm type pressure sensor.

Background

The pressure sensor (Pressure Transducer) is a device or apparatus capable of sensing pressure signals and converting the pressure signals into usable output electric signals according to a certain rule, and is generally composed of a pressure sensitive element and a signal processing unit, and according to different test pressure types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, and is the most commonly used sensor in industrial practice, and is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like, and the existing pressure sensor has the following problems:

1. the pressure sensor has a simple external structure, is not provided with a protective device, and is easy to collide with other objects in the use process to cause the damage of internal elements of the pressure sensor, so that the service life of the pressure sensor is reduced.

2. When the surface temperature is high in use of the pressure sensor, the internal elements of the pressure sensor are easy to damage.

Disclosure of Invention

The utility model aims to provide a pressure overload alarm type pressure sensor, which aims to solve the problems that the existing pressure sensor in the market is simple in external structure, is not provided with a protective device, is easily collided by other objects in the use process to cause the damage of internal elements of the pressure sensor, thereby reducing the service life of the pressure sensor, and is easy to cause the damage of the internal elements of the pressure sensor when the surface temperature of the pressure sensor is higher in the use process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure overload alarm type pressure sensor, includes mounting bracket, pressure sensor body, polished rod, fixed block and fixed strip, the connecting plate is all installed to both sides about the inboard of mounting bracket, and the surface mounting of connecting plate has the radiator fan, the pressure sensor body is installed to the positive surface of mounting bracket, and the top of pressure sensor body is provided with the response piece, and the display screen is installed to the positive surface of pressure sensor body, buzzer and PLC controller are installed in proper order from a left side to the right side to the positive surface of pressure sensor body, and buzzer and PLC controller are located the below of display screen, the mounting panel is installed to the left and right sides surface mounting of pressure sensor body, and installs the polished rod perpendicularly in the below of mounting panel, and installs the fixed block in the upper and lower both ends of polished rod in addition, the slider is installed to the upper and lower both sides of polished rod, and the slider is located between two fixed blocks of upper and lower installation, the middle part movable sleeve of polished rod is equipped with first spring, and first spring fixed mounting is installed in between two sliders from top to bottom, the telescopic link is installed in the outside of fixed block, and the telescopic link is installed in the fixed strip from left to right side in proper order, and the fixed strip is installed in the outside of telescopic link, and the telescopic link is installed with the fixed link is connected with the two ends of fixed link, and is connected with one end of the telescopic link through the two ends of fixed link and the top is connected with the end of the fixed link 14 respectively.

Preferably, threaded holes are formed in the upper end and the lower end of the mounting frame.

By adopting the structural design, the pressure sensor body is conveniently matched with the threaded holes on the mounting frame through the fastening screws to be mounted on the measuring position.

Preferably, the mounting frame and the connecting plate are both provided with 2.

By adopting the structural design, the pressure sensor body is more stable to install and fix.

Preferably, the heat dissipation fan is located at a center position behind the pressure sensor body.

By adopting the structural design, when the surface temperature of the pressure sensor body is higher due to longer working time, the heat dissipation fan is started to cool the surface of the pressure sensor body, so that the damage of the internal elements caused by height is prevented.

Preferably, the display screen is located on the front surface of the pressure sensor body.

By adopting the structural design, the pressure value measured by the pressure sensor body can be conveniently observed.

Preferably, a through hole is formed in the surface of the shell of the pressure sensor body.

By adopting the structural design, the alarm generated during the work of the buzzer is louder, so that the problem can be found in time.

Preferably, the polish rod and the sliding block form a sliding structure, and the number of the sliding blocks is 2.

Adopt above-mentioned structural design, when buffer baffle received the collision, drive the fixed strip and inwards remove, then drive the telescopic link and extrude to the fixed block, then the second spring plays the cushioning effect, and the fixed strip inwards removes simultaneously and drives the connecting strip and rotate under the effect of round pin axle, then drives the slider of the upper and lower both sides of polished rod and do relative movement, and then the slider produces the extrusion to first spring to provide dual buffering effect, thereby play the guard action to the pressure sensor body.

Preferably, the sliding block, the pin shaft and the connecting strip form a rotating structure.

By adopting the structural design, the pin shaft drives the connecting strip to rotate, and then the connecting strip drives the sliding block to displace under the action of the pin shaft close to one side of the sliding block, so that the buffering effect is achieved.

Preferably, the buffer baffle is provided with 2, and is located the left and right sides of pressure sensor body.

By adopting the structural design, the left side and the right side of the pressure sensor body are protected, and collision of external objects is avoided.

Preferably, the buffer baffle is provided with a vent.

By adopting the structural design, when the heat dissipation fan dissipates heat on the surface of the pressure sensor body, heat can flow out through the through hole of the buffer baffle, so that the heat dissipation efficiency is improved.

Compared with the prior art, the utility model has the beneficial effects that: the pressure overload alarm type pressure sensor comprises:

1. the buffer baffle plate is provided with a polish rod, a sliding block, a first spring, a telescopic rod, a fixing strip and a second spring, when the buffer baffle plate is impacted, the fixing strip is driven to move inwards, the telescopic rod is driven to extrude towards the fixing block, the second spring plays a role in buffering, meanwhile, the fixing strip moves inwards to drive the connecting strip to rotate under the action of the pin shaft, the sliding blocks on the upper side and the lower side of the polish rod are driven to move relatively, the sliding block extrudes the first spring, and therefore a double buffering effect is provided, and the pressure sensor body is protected;

2. when the surface temperature of the pressure sensor body is higher due to longer working time, the heat dissipation fan is started to cool the surface of the pressure sensor body, and heat can flow out through the through hole of the buffer baffle plate to prevent the damage of internal elements caused by height;

3. be provided with response piece, bee calling organ and PLC controller, install the pressure sensor body perpendicularly in waiting to detect the position, the response piece of pressure sensor body top receives ambient pressure extrusion, and when the size of extrusion force exceeded the pressure range that sets up, the overload pressure was sensed to the response piece this moment, then handle in the PLC controller with overload pressure signal transmission, then PLC controller control actuating mechanism bee calling organ sent warning and is sounded to play the effect of pressure overload warning.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 4 is a schematic diagram of the overall structure of the pressure sensor body of the present utility model.

In the figure: 1. a mounting frame; 2. a connecting plate; 3. a heat dissipation fan; 4. a pressure sensor body; 5. an induction piece; 6. a display screen; 7. a buzzer; 8. a PLC controller; 9. a mounting plate; 10. a polish rod; 11. a fixed block; 12. a slide block; 13. a first spring; 14. a telescopic rod; 15. a fixing strip; 16. a second spring; 17. a pin shaft; 18. a connecting strip; 19. and a buffer baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pressure overload warning formula pressure sensor, includes mounting bracket 1, connecting plate 2, heat dissipation fan 3, pressure sensor body 4, sensing piece 5, display screen 6, buzzer 7, PLC controller 8, mounting panel 9, polished rod 10, fixed block 11, slider 12, first spring 13, telescopic link 14, fixed strip 15, second spring 16, round pin axle 17, connecting strip 18 and buffer baffle 19, connecting plate 2 is all installed to the inboard upper and lower both sides of mounting bracket 1; screw holes are formed in the upper end and the lower end of the mounting frame 1, so that the pressure sensor body 4 is conveniently mounted on a measuring position through the cooperation of fastening screws and the screw holes in the mounting frame 1. The mounting bracket 1 and the connecting plate 2 all are provided with 2, make pressure sensor body 4 installation fixed more stable, and the surface mounting of connecting plate 2 has radiator fan 3, and pressure sensor body 4 is installed on mounting bracket 1 front surface, and radiator fan 3 is located the central point at pressure sensor body 4 rear, and when pressure sensor body 4 because the operating time is higher the surface temperature that leads to, start radiator fan 3 to cool down pressure sensor body 4 surface, prevent highly the interior component damage that arouses.

The sensing piece 5 is arranged above the pressure sensor body 4, the display screen 6 is arranged on the front surface of the pressure sensor body 4, and the display screen 6 is positioned on the front surface of the pressure sensor body 4, so that the pressure value measured by the pressure sensor body 4 can be observed conveniently; the front surface of the pressure sensor body 4 is provided with the buzzer 7 and the PLC 8 from left to right in sequence, the surface of the shell of the pressure sensor body 4 is provided with the through hole, so that the alarm sound generated during the operation of the buzzer 7 is louder, the problem can be found conveniently in time, and the buzzer 7 and the PLC 8 are positioned below the display screen 6. The mounting plate 9 is installed on the left and right sides surface mounting of the pressure sensor body 4, and polished rod 10 is installed perpendicularly to the below of mounting plate 9, and fixed block 11 is installed at the upper and lower both ends of polished rod 10 moreover, slider 12 is installed to the upper and lower both sides of polished rod 10, and polished rod 10 constitutes sliding structure with slider 12, and the quantity of slider 12 is provided with 2.

The sliding blocks 12 are positioned between two fixed blocks 11 which are arranged up and down, a first spring 13 is movably sleeved in the middle of the polished rod 10, the first spring 13 is positioned between the two sliding blocks 12 which are arranged up and down, a telescopic rod 14 is arranged on the outer side of the fixed block 11, a fixed strip 15 is arranged on the outer side of the telescopic rod 14, and a second spring 16 is sleeved on the telescopic rod 14 between the fixed block 11 and the fixed strip 15; the both ends of fixed strip 15 respectively with two telescopic links 14 fixed connection, and fixed strip 15 and horizontal plane mutually perpendicular, the both ends of fixed strip 15 are close to one side of pressure sensor body 4 and are articulated through round pin axle 17 and one end of a connecting strip 18 respectively, and the other end of connecting strip 18 articulates on the slider 12 of upper and lower corresponding one side, and slider 12, round pin axle 17 and connecting strip 18 constitute rotating-structure, and round pin axle 17 drives connecting strip 18 rotatory, and then connecting strip 18 drives slider 12 and takes place the displacement under the effect of round pin axle 17 that is close to slider 12 one side, thereby plays the effect of buffering.

The buffer baffle 19 is installed to the tip of telescopic link 14, and buffer baffle 19 is provided with 2, and is located the left and right sides of pressure sensor body 4, plays the guard action to pressure sensor body 4 left and right sides, avoids the collision of external object, and the vent has been seted up to buffer baffle 19, and when heat dissipation fan 3 dispels the heat to pressure sensor body 4 surface, heat can flow through buffer baffle 19's through-hole position to improve radiating efficiency.

When the buffer baffle 19 is collided, the fixing strip 15 is driven to move inwards, the telescopic rod 14 is driven to extrude towards the fixing block 11, the second spring 16 plays a role in buffering, meanwhile, the fixing strip 15 moves inwards to drive the connecting strip 18 to rotate under the action of the pin shaft 17, the sliding blocks 12 on the upper side and the lower side of the polished rod 10 are driven to move relatively, the sliding blocks 12 squeeze the first spring 13, and therefore a double buffering effect is provided, and the pressure sensor body 4 is protected.

Working principle: when the pressure overload alarm type pressure sensor is used, firstly, when the buffer baffle 19 is collided, the fixing strip 15 is driven to move inwards, the telescopic rod 14 is driven to extrude towards the fixing block 11, the second spring 16 plays a role in buffering, meanwhile, the fixing strip 15 moves inwards to drive the connecting strip 18 to rotate under the action of the pin shaft 17, the sliding blocks 12 on the upper side and the lower side of the polished rod 10 are driven to move relatively, the sliding blocks 12 squeeze the first spring 13, and therefore a double buffering effect is provided, and the pressure sensor body 4 is protected.

When the sensing piece of pressure sensor body top receives external pressure extrusion, and when the size of extrusion force exceeded the pressure range that sets up, the sensing piece sensed overload pressure this moment, then the sensing piece is handled in carrying overload pressure signal transmission to the PLC controller, then PLC controller control actuating mechanism bee calling organ is alert to play pressure overload warning's effect, when pressure sensor body 4 because the surface temperature that the operating time was longer to lead to is higher, start cooling fan 3 to pressure sensor body 4 surface cooling, the heat can be through the through-hole position outflow of buffer baffle 19, prevent highly induced internal component damage. Thereby completing a series of works. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a pressure overload warning formula pressure sensor, includes mounting bracket (1), pressure sensor body (4), polished rod (10), fixed block (11) and fixed strip (15), its characterized in that: the utility model discloses a pressure sensor, including mounting bracket (1), connecting plate (2) are all installed on both sides about the inboard of mounting bracket (1), and the surface mounting of connecting plate (2) has radiator fan (3), pressure sensor body (4) are installed on the positive surface of mounting bracket (1), and the top of pressure sensor body (4) is provided with response piece (5), and display screen (6) are installed on the positive surface of pressure sensor body (4), buzzer (7) and PLC controller (8) are installed in proper order from a left side to the right side on the positive surface of pressure sensor body (4), and buzzer (7) and PLC controller (8) are located the below of display screen (6), install mounting panel (9) on the left and right sides surface mounting of pressure sensor body (4), and polished rod (10) are installed perpendicularly to the below of mounting panel (9), and polished rod (10) are installed fixed block (11) at the upper and lower both ends, slider (12) are installed on the upper and lower both sides of polished rod (10), and slider (12) are located between two fixed blocks (11) of installing from top to bottom, middle part (10) are equipped with movable sleeve (13) and are installed in the outside between two fixed blocks (13) of first spring (13), and fixed strip (15) are installed in the outside of telescopic link (14), cup joints on telescopic link (14) between fixed block (11) and fixed strip (15) moreover and is provided with second spring (16), the both ends of fixed strip (15) respectively with two telescopic link (14) fixed connection, and fixed strip (15) and horizontal plane mutually perpendicular, both ends are close to pressure sensor body (4) one side about fixed strip (15) are articulated through round pin axle (17) and one end of a connecting strip (18) respectively, and the other end of connecting strip (18) articulates on slider (12) of corresponding one side from top to bottom, buffer baffle (19) are installed to the tip of telescopic link (14).

2. A pressure overload warning pressure sensor as claimed in claim 1, wherein: threaded holes are formed in the upper end and the lower end of the mounting frame (1).

3. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the mounting frame (1) and the connecting plate (2) are respectively provided with 2.

4. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the heat dissipation fan (3) is positioned at the center position behind the pressure sensor body (4).

5. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the display screen (6) is positioned on the front surface of the pressure sensor body (4).

6. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the outer surface of the buzzer (7) is provided with a through hole.

7. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the polish rod (10) and the sliding blocks (12) form a sliding structure, and the number of the sliding blocks (12) is 2.

8. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the sliding block (12), the pin shaft (17) and the connecting strip (18) form a rotating structure.

9. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the buffer baffles (19) are arranged in number of 2 and are positioned on the left side and the right side of the pressure sensor body (4).

10. A pressure overload warning pressure sensor as claimed in claim 1, wherein: the buffer baffle (19) is provided with a vent.