CN216746568U

CN216746568U - Pressure sensor detection table

Info

Publication number: CN216746568U
Application number: CN202122957393.3U
Authority: CN
Inventors: 李文杰
Original assignee: Shanghai Gongbang Qiaokong Equipment Co ltd
Current assignee: Shanghai Gongbang Qiaokong Equipment Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-14
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a pressure sensor detection platform, wherein a first connecting pipe continuously conveys gas to the inside of a fixed cylinder through the operation of an air pump, when the air pressure in the fixed cylinder is continuously enhanced, thereby the piston drives the piston rod to move downwards along the inner side of the fixed cylinder, the moving plate is pushed to move downwards by the piston rod, the detection head at the bottom of the detection rod detects the pressure sensor on the placing plate, the second connecting pipe is communicated with the inside of the fixed cylinder, so that the internal air pressure of the fixed cylinder can be displayed on the barometer in real time, the detected air pressure value is compared with the pressure value detected by the pressure sensor, thereby checking whether the pressure induction of the pressure sensor is normal or not, opening the electromagnetic valve after the detection is finished, under the action of the compression spring, the moving plate slides upwards along the supporting rod, so that the gas in the fixed cylinder is accelerated to be discharged outwards from the third connecting pipe.

Description

Pressure sensor detection table

Technical Field

The utility model relates to a pressure sensor detects technical field, specifically is a pressure sensor examines test table.

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 principles and the application of some common sensors are simply introduced below;

in the production and manufacturing process of the pressure sensor, the pressure sensor needs to be sampled and detected, when detection is carried out, the existing technical mode is that weights with different weights are placed on the pressure sensor one by one through workers to be detected, the detection mode is complex, manpower is consumed, measured data are inaccurate, and therefore the pressure sensor detection table is provided.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a pressure sensor detection table, which adopts the technical proposal that the pressure sensor detection table comprises a bottom plate and a detection unit;

a bottom plate: four corners of the upper surface of the support plate are respectively and fixedly provided with a support rod, the top of the support rod is fixedly provided with a top plate, a movable plate is arranged between the top plate and the bottom plate, sliding holes arranged at four corners of the movable plate are respectively and slidably connected with the support rods, the center of the bottom of a front convex block of the movable plate is provided with a detection rod, the bottom end of the detection rod is provided with a detection head, a placing plate is arranged right below the detection head, and the placing plate is fixedly arranged on the upper surface of the bottom plate; the top plate can be supported by the supporting rods, the moving plate can slide up and down along the supporting rods, and the pressure sensor placed at the top of the placing plate can be detected by the arrangement of the detecting rods and the detecting heads;

a detection unit: contain air pump, first connecting pipe, solid fixed cylinder, second connecting pipe, barometer, piston and piston rod, gu fixed cylinder fixed mounting is in the bottom center of roof, gu fixed cylinder's inboard slidable mounting has the piston, the bottom of piston is provided with the piston rod, air pump fixed mounting is in the top one end of roof, the exhaust end fixed mounting of air pump has first connecting pipe, the other end of first connecting pipe and the inside intercommunication of solid fixed cylinder, gu fixed cylinder's top front side is provided with the second connecting pipe, the one end of second connecting pipe and the inside intercommunication of solid fixed cylinder, the other end of second connecting pipe passes through-hole and the barometer fixed connection that sets up on the roof. Through the cooperation setting of air pump and first connecting pipe, can be to the continuous conveyor gas in the solid fixed cylinder, through the continuous reinforcing of the inside atmospheric pressure of solid fixed cylinder, make the piston drive piston rod move down along the inboard of solid fixed cylinder, thereby promote the movable plate and slide along the bracing piece downwards, through the cooperation setting of second connecting pipe and barometer, can show the inside atmospheric pressure of solid fixed cylinder in real time, the atmospheric pressure value after will detecting compares with the pressure value after the pressure sensor detects, thereby can inspect whether normal pressure sensor's forced induction.

As the utility model discloses a pressure sensor examines preferred technical scheme of test table, detecting element still contains third connecting pipe and solenoid valve, the third connecting pipe sets up the top right side at a solid fixed cylinder, the one end of third connecting pipe and the inside intercommunication of a solid fixed cylinder, the other end of third connecting pipe passes through-hole and the solenoid valve fixed connection that sets up on the roof. Through the cooperation setting of third connecting pipe and solenoid valve, can outwards discharge the inside gas of fixed section of thick bamboo.

As the utility model discloses a pressure sensor examines preferred technical scheme of test table still includes the display, display fixed mounting is at the front side left end of roof. Through the arrangement of the display, the detection data of the detected pressure sensor can be displayed.

As the utility model discloses a pressure sensor detects preferred technical scheme of platform still includes telescopic link and compression spring, the telescopic link is provided with two, the telescopic link bilateral symmetry respectively sets up the top at the bottom plate, the flexible end of telescopic link respectively with the bottom fixed connection of movable plate, the outside of telescopic link is overlapped respectively and is equipped with compression spring. The telescopic rod is matched with the compression spring, so that the movable plate is reset, and meanwhile, the gas in the fixed cylinder can be discharged outwards.

As the utility model discloses a pressure sensor examines preferred technical scheme of test table still includes supporting leg and reinforcing plate, the supporting leg is provided with two sets ofly, both ends are controlled in the bottom of bottom plate to supporting leg bilateral symmetry setting respectively, there is the reinforcing plate bottom of supporting leg fixed mounting respectively. The device can be supported by the arrangement of the supporting legs and the reinforcing plate.

The utility model has the advantages that: the utility model discloses an air pump operation, first connecting pipe is with gaseous inside of constantly carrying to the solid fixed cylinder, atmospheric pressure when the solid fixed cylinder is inside constantly strengthens, thereby make the piston drive the piston rod along the inboard downstream of solid fixed cylinder, promote movable plate downstream through the piston rod, make the measuring head of measuring bar bottom detect to the pressure sensor who places on the board, through second connecting pipe and the inside intercommunication of solid fixed cylinder, make the inside atmospheric pressure of solid fixed cylinder can show in real time on the barometer, the pressure value after will detecting compares with the pressure value after the pressure sensor detects, thereby can inspect whether normal pressure sensor's forced induction, detect the back, open the solenoid valve, under compression spring's effect, make along bracing piece upwards sliding, thereby accelerate the inside gaseous outside discharge of solid fixed cylinder from third movable plate connecting pipe department.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the device comprises a base plate 1, a support rod 2, a moving plate 3, a top plate 4, a detection unit 5, an air pump 51, a first connecting pipe 52, a fixed cylinder 53, a second connecting pipe 54, a barometer 55, a third connecting pipe 56, an electromagnetic valve 57, a piston 58, a piston rod 59, a display 6, a detection rod 7, a detection head 8, a placement plate 9, an expansion rod 10, a compression spring 11, a support leg 12 and a reinforcement plate 13.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a pressure sensor detection table, which adopts the technical scheme that the pressure sensor detection table comprises a bottom plate 1 and a detection unit 5;

bottom plate 1: four corners of the upper surface of the base plate are respectively and fixedly provided with a support rod 2, the top of the support rod 2 is fixedly provided with a top plate 4, a movable plate 3 is arranged between the top plate 4 and the base plate 1, sliding holes arranged at four corners of the movable plate 3 are respectively and slidably connected with the support rods 2, the center of the bottom of a front convex block of the movable plate 3 is provided with a detection rod 7, the bottom end of the detection rod 7 is provided with a detection head 8, a placing plate 9 is arranged right below the detection head 8, and the placing plate 9 is fixedly arranged on the upper surface of the base plate 1; the movable plate 3 can slide up and down on the supporting rod 2 through the matching arrangement of the bottom plate 1, the supporting rod 2 and the top plate 4, and the pressure sensor arranged at the top of the placing plate 9 can be detected through the arrangement of the detecting rod 7 and the detecting head 8;

the detection unit 5: contain the air pump 51, first connecting pipe 52, solid fixed cylinder 53, second connecting pipe 54, barometer 55, piston 58 and piston rod 59, gu fixed cylinder 53 fixed mounting is in the bottom center of roof 4, gu fixed cylinder 53's inboard slidable mounting has piston 58, the bottom of piston 58 is provided with piston rod 59, air pump 51 fixed mounting is in the top one end of roof 4, air pump 51's exhaust end fixed mounting has first connecting pipe 52, the other end of first connecting pipe 52 and solid fixed cylinder 53's inside intercommunication, gu fixed cylinder 53's top front side is provided with second connecting pipe 54, the one end of second connecting pipe 54 and solid fixed cylinder 53's inside intercommunication, the through-hole and the barometer 55 fixed connection that set up on roof 4 are passed to the other end of second connecting pipe 54. Through the operation of air pump 51, first connecting pipe 52 is with gaseous inside of constantly carrying to fixed cylinder 53, atmospheric pressure when the inside of fixed cylinder 53 constantly strengthens, thereby make piston 58 drive piston rod 59 along the inboard downstream of fixed cylinder 53, bottom and the movable plate 3 contact of piston rod 59, and promote movable plate 3 downstream, movable plate 3 slides down along bracing piece 2, make the detection head 8 of detection pole 7 bottom detect the pressure sensor who places on the board 9, through second connecting pipe 54 and the inside intercommunication of fixed cylinder 53, make the inside atmospheric pressure of fixed cylinder 53 can show on barometer 55 in real time, compare the atmospheric pressure value after will detecting with the pressure value after the pressure sensor detects, thereby can inspect whether pressure sensor's pressure-sensitive is normal.

The detecting unit 5 further includes a third connecting pipe 56 and an electromagnetic valve 57, the third connecting pipe 56 is disposed at the right side of the top of the fixed cylinder 53, one end of the third connecting pipe 56 is communicated with the inside of the fixed cylinder 53, and the other end of the third connecting pipe 56 passes through a through hole disposed on the top plate 4 and is fixedly connected with the electromagnetic valve 57. The solenoid valve 57 is opened, so that the gas inside the fixed cylinder 53 is discharged to the outside from the third connection pipe 56.

The display 6 is fixedly arranged at the left end of the front side of the top plate 4. Through the setting of the display 6, the detection data of the detected pressure sensor can be displayed.

Still include telescopic link 10 and compression spring 11, telescopic link 10 is provided with two, and telescopic link 10 bilateral symmetry respectively sets up at the top of bottom plate 1, and telescopic link 10's flexible end respectively with the bottom fixed connection of movable plate 3, and the outside of telescopic link 10 overlaps respectively and is equipped with compression spring 11. When the gas in the fixed cylinder 53 is discharged outwards, the movable plate 3 slides upwards along the support rod 2 under the action of the compression spring 11, so that the gas in the fixed cylinder 53 is discharged outwards, and when the movable plate 3 moves, the telescopic rod 10 stretches and retracts, so that the compression spring 11 is limited and fixed.

Still include supporting leg 12 and reinforcing plate 13, supporting leg 12 is provided with two sets ofly, and both ends about supporting leg 12 bilateral symmetry sets up in the bottom of bottom plate 1 respectively, and the bottom of supporting leg 12 is fixed mounting respectively has reinforcing plate 13. Through the setting of supporting leg 12, can support bottom plate 1, through the setting of reinforcing plate 13, increase the area of contact of supporting leg 12 and ground to improve the support stability of supporting leg 12.

The utility model discloses a theory of operation: firstly, the device is placed at a proper working position, then a pressure sensor to be detected is fixed on a placing plate 9, an air pump 51 operates, a first connecting pipe 52 continuously conveys air into a fixed cylinder 53, when the air pressure in the fixed cylinder 53 is continuously enhanced, a piston 58 drives a piston rod 59 to move downwards along the inner side of the fixed cylinder 53, when the bottom of the piston rod 59 is contacted with a moving plate 3 and pushes the moving plate 3 to move downwards, the moving plate 3 slides downwards along a supporting rod 2, a detecting head 8 at the bottom of a detecting rod 7 detects the pressure sensor on the placing plate 9, the pressure sensor is communicated with the inside of the fixed cylinder 53 through a second connecting pipe 54, the internal air pressure of the fixed cylinder 53 can be displayed on an air pressure gauge 55 in real time, the detected air pressure value is compared with the pressure value detected by the pressure sensor, and whether the pressure sensing of the pressure sensor is normal can be detected, after the detection is finished, the electromagnetic valve 57 is opened, so that the gas inside the fixed cylinder 53 is discharged from the third connecting pipe 56, when the gas inside the fixed cylinder 53 is discharged, the moving plate 3 slides upwards along the supporting rod 2 under the action of the compression spring 11, so that the gas inside the fixed cylinder 53 is discharged outwards, and when the moving plate 3 moves, the telescopic rod 10 performs telescopic movement, so that the compression spring 11 is limited and fixed.

The utility model relates to a circuit connection is the conventional means that technical staff adopted in this field, and accessible limited number of tests obtains the technological inspiration, belongs to the widely used prior art.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. The pressure sensor detection table is characterized by comprising a bottom plate (1) and a detection unit (5);

base plate (1): four corners of the upper surface of the base plate are respectively fixedly provided with a support rod (2), the top of each support rod (2) is fixedly provided with a top plate (4), a moving plate (3) is arranged between each top plate (4) and the base plate (1), sliding holes arranged at four corners of the moving plate (3) are respectively in sliding connection with the support rods (2), the center of the bottom of a front convex block of the moving plate (3) is provided with a detection rod (7), the bottom end of the detection rod (7) is provided with a detection head (8), a placing plate (9) is arranged right below the detection head (8), and the placing plate (9) is fixedly arranged on the upper surface of the base plate (1);

detection unit (5): comprises an air pump (51), a first connecting pipe (52), a fixed cylinder (53), a second connecting pipe (54), a barometer (55), a piston (58) and a piston rod (59), the fixed cylinder (53) is fixedly arranged at the center of the bottom of the top plate (4), the inner side of the fixed cylinder (53) is provided with a piston (58) in a sliding way, the bottom of the piston (58) is provided with a piston rod (59), the air pump (51) is fixedly arranged at one end of the top plate (4), a first connecting pipe (52) is fixedly arranged at the exhaust end of the air pump (51), the other end of the first connecting pipe (52) communicates with the inside of the fixed cylinder (53), a second connecting pipe (54) is arranged at the front side of the top of the fixed cylinder (53), one end of the second connection pipe (54) is communicated with the inside of the fixed cylinder (53), the other end of the second connecting pipe (54) penetrates through a through hole formed in the top plate (4) and is fixedly connected with the air pressure gauge (55).

2. A pressure sensor test station as defined in claim 1, wherein: the detection unit (5) further comprises a third connecting pipe (56) and an electromagnetic valve (57), the third connecting pipe (56) is arranged on the right side of the top of the fixed cylinder (53), one end of the third connecting pipe (56) is communicated with the inside of the fixed cylinder (53), and the other end of the third connecting pipe (56) penetrates through a through hole formed in the top plate (4) and is fixedly connected with the electromagnetic valve (57).

3. A pressure sensor test station as defined in claim 1, wherein: the display device is characterized by further comprising a display (6), wherein the display (6) is fixedly arranged at the left end of the front side of the top plate (4).

4. A pressure sensor test station as defined in claim 1, wherein: still include telescopic link (10) and compression spring (11), telescopic link (10) are provided with two, telescopic link (10) bilateral symmetry respectively sets up the top at bottom plate (1), the flexible end of telescopic link (10) respectively with the bottom fixed connection of movable plate (3), the outside of telescopic link (10) is overlapped respectively and is equipped with compression spring (11).

5. A pressure sensor test station as defined in claim 1, wherein: still include supporting leg (12) and reinforcing plate (13), supporting leg (12) are provided with two sets ofly, both ends about the bottom of bottom plate (1) are set up to supporting leg (12) bilateral symmetry respectively, the bottom of supporting leg (12) is fixed mounting respectively has reinforcing plate (13).