CN209910892U

CN209910892U - High-precision pressure transmitter detection device

Info

Publication number: CN209910892U
Application number: CN201920728289.7U
Authority: CN
Inventors: 陈振勃; 陈振湛
Original assignee: Guangzhou Dichuan Instrument Co Ltd
Current assignee: Guangzhou Dichuan Instrument Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-01-07
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a high accuracy pressure transmitter detection device, including main part and roof, the diapire fixed mounting of main part inner chamber has pneumatic pump and PLC, and its inner chamber still is equipped with four telescopic links of group, four groups the telescopic link is located the four corners of roof diapire respectively, pneumatic pump and PLC are located between four telescopic links of group, fixed mounting has signal input port, signal output port, sensor output port, digital pressure transmitter and pneumatic tube interface on the roof of roof, still is equipped with the display screen on it, the lateral wall that display screen one side was kept away from to the main part is opened there is the battery compartment. This high accuracy pressure transmitter detection device through having set up air vent, venthole and two sets of fans, makes two sets of fans simultaneous working can inhale the air vent and get into the battery compartment with the outside air, makes the heat in the air carrying battery compartment discharge from the venthole again to give the power heat dissipation in the battery compartment, prevent on the power that the heat piles up and take place dangerous accident.

Description

High-precision pressure transmitter detection device

Technical Field

The utility model belongs to the technical field of pressure transmitter detects, concretely relates to high accuracy pressure transmitter detection device.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. It can convert the physical pressure parameters of gas, liquid, etc. sensed by the load cell sensor into standard electric signals (such as 4-20mADC, etc.) for secondary instruments such as indication alarm, recorder, regulator, etc. to measure, indicate and regulate the process.

Before the pressure transmitter leaves a factory, a part of samples need to be extracted and detected by using a related detection device. Most of pressure transmitter detection devices in the prior art do not have a heat dissipation structure, and after the detection device works for a long time, a power supply in the detection device can emit a large amount of heat and cannot be effectively discharged, so that dangerous accidents can occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy pressure transmitter detection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision pressure transmitter detection device comprises a main body and a top plate, wherein a pneumatic pump and a PLC are fixedly installed on the bottom wall of an inner cavity of the main body, four groups of telescopic rods are further arranged in the inner cavity of the main body, the four groups of telescopic rods are respectively positioned at four corners of the bottom wall of the top plate, the pneumatic pump and the PLC are positioned among the four groups of telescopic rods, a signal input port, a signal output port, a sensor output port, a digital pressure transmitter and a pneumatic tube interface are fixedly installed on the top wall of the top plate, a display screen is further arranged on the top wall, a battery bin is formed in the side wall, away;

air vent and venthole have been opened respectively to the both sides of main part, air vent and venthole communicate with each other with the both sides of battery compartment inner chamber respectively, and its inside all installs the fan, the second pivot is installed to the opening of battery compartment inner chamber, the main part is passed through the second pivot and is connected with the second apron transmission, the opening block of second apron and battery compartment inner chamber, the storing groove has all been opened to the lateral wall of main part both sides, and is two sets of storing groove symmetric distribution is in the both sides of display screen, and its inner chamber all is equipped with first pivot and first apron.

Preferably, a hinge is installed on one side of the top wall of the main body and is in transmission connection with the sealing dish through the hinge, and the sealing dish is clamped with the opening of the inner cavity of the main body.

Preferably, the top walls of the four groups of telescopic rods are fixedly welded with the four corners of the bottom wall of the top plate respectively, and the bottom walls of the four groups of telescopic rods are fixedly welded with the bottom wall of the inner cavity of the main body respectively.

Preferably, the display screen is embedded and installed on the surface of the top wall of the top plate, and a starting key is arranged on one side, far away from the display screen, of the top wall of the top plate.

Preferably, four groups of support columns are fixedly welded on the bottom wall of the battery bin, and the power supply is arranged above the four groups of support columns.

Preferably, the main body is in transmission connection with a first cover plate through a first rotating shaft, and the first cover plate is clamped with an opening of an inner cavity of the storage tank.

The utility model discloses a technological effect and advantage: according to the high-precision pressure transmitter detection device, through the arrangement of the vent holes, the vent holes and the two groups of fans, the two groups of fans can work simultaneously to suck outside air into the vent holes and enter the battery compartment, and then the air carrying heat in the battery compartment is discharged from the vent holes, so that heat of a power supply in the battery compartment is dissipated, and dangerous accidents caused by heat accumulation on the power supply are prevented; by arranging the four groups of telescopic rods, when the pneumatic pump and the PLC below the top plate need to be maintained, the four groups of telescopic rods extend to the longest length and drive the top plate to be away from the pneumatic pump, so that a maintainer can check the pneumatic pump and the PLC below the top plate and conveniently maintain the pneumatic pump and the PLC, parts on a main body do not need to be disassembled in the maintenance process, and the trouble of disassembling and assembling various parts is eliminated; through having set up storing groove, first pivot and first apron, behind detection pressure transmitter, can accomodate all kinds of winding displacement (power winding displacement etc.) that use in the testing process in the storing groove, prevent that the winding displacement from losing.

Drawings

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

fig. 2 is a schematic structural view of the main body of the present invention;

fig. 3 is a cross-sectional view of the main body of the present invention;

fig. 4 is a circuit connection diagram of the present invention.

In the figure: the device comprises a main body 1, a top plate 2, a hinge 3, a dish 4, a storage groove 5, a first rotating shaft 6, a first cover plate 7, an air vent 8, an air outlet 9, a fan 10, a support 11, a power supply 12, a display screen 13, a signal input port 14, a signal output port 15, a sensor output port 16, a digital pressure transmitter 17, an air pressure pipe interface 18, a start button 19, a second rotating shaft 20, a second cover plate 21, an air pressure pump 22, an expansion rod 23 and a PLC 24.

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.

The utility model provides a high-precision pressure transmitter detection device as shown in figures 1-4, which comprises a main body 1 and a top plate 2, the bottom wall of the inner cavity of the main body 1 is fixedly provided with a pneumatic pump 22 and a PLC24, the model of the pneumatic pump 22 is 750W-30L, the model of the PLC24 is S7-200, the inner cavity of the telescopic rod is also provided with four groups of telescopic rods 23, the telescopic rods 23 are driven by electric power, the four groups of telescopic rods 23 are respectively positioned at four corners of the bottom wall of the top plate 2, the pneumatic pump 22 and the PLC24 are positioned among the four groups of telescopic rods 23, a signal input port 14, a signal output port 15, a sensor output port 16, a digital pressure transmitter 17 and a pneumatic tube interface 18 are fixedly arranged on the top wall of the top plate 2, the type of the digital pressure transmitter 17 is HC-YC100, a display screen 13 is further arranged on the main body 1, a battery bin is arranged on the side wall of one side of the main body 1 far away from the display screen 13, and a power supply 12 is arranged in the battery bin;

air vent 8 and venthole 9 have been opened respectively to the both sides of main part 1, air vent 8 and venthole 9 communicate with each other with the both sides of battery compartment inner chamber respectively, and its inside all installs fan 10, second pivot 20 is installed to the opening of battery compartment inner chamber, main part 1 is connected with the transmission of second apron 21 through second pivot 20, the opening block of second apron 21 and battery compartment inner chamber, storing groove 5 has all been opened to the lateral wall of 1 both sides of main part, and is two sets of 5 symmetric distribution in the both sides of display screen 13 in storing groove, its inner chamber all is equipped with first pivot 6 and first apron 7.

Specifically, one side of the top wall of the main body 1 is provided with a hinge 3, the hinge 3 is in transmission connection with a sealing dish 4, the sealing dish 4 is clamped with the opening of the inner cavity of the main body 1, so that the sealing dish 4 rotates to the opening of the inner cavity of the main body 1 along the hinge 3, and the parts on the top plate 2 can be protected.

Specifically, the top walls of the four groups of telescopic rods 23 are fixedly welded with the four corners of the bottom wall of the top plate 2, and the bottom walls of the four groups of telescopic rods are fixedly welded with the bottom wall of the inner cavity of the main body 1.

Specifically, the display screen 13 is mounted on the surface of the top wall of the top plate 2 in an embedded manner, and a start key 19 is arranged on one side, away from the display screen 13, of the top wall of the top plate 2.

Specifically, the fixed welding of the diapire of battery compartment has four groups of pillars 11, power 12 is arranged in the top of four groups of pillars 11, and pillar 11 can prop up power 12, prevents that power 12 bottom and battery compartment diapire contact from leading to the unable discharge of heat of its bottom, and when using main part 1, be connected power winding displacement with power 12 and external socket respectively to make power 12 can constantly supply power for the part that needs the power consumption in the main part 1.

Specifically, the main body 1 is in transmission connection with a first cover plate 7 through a first rotating shaft 6, the first cover plate 7 is clamped with an opening of an inner cavity of the storage groove 5, and the first cover plate 7 can protect components in the storage groove 5.

Specifically, when the high-precision pressure transmitter detection device works, firstly, the sealing vessel 4 rotates along the hinge 3, the opening of the inner cavity of the main body 1 is opened, the pressure transmitter to be detected is arranged on the top plate 2, the start button 19 is pressed down, the air pressure pipe interface 18 is connected with the positive pressure chamber of the pressure transmitter to be detected, the signal input port 14 and the signal output port 15 are respectively connected with the electric signal port of the pressure transmitter to be detected through flat cables, at the moment, the power supply 12 can supply power to the display screen 13, the display mode of the display screen 13 is switched to the picture of 4-20mADC, the standard signal output of the digital pressure transmitter 17 is adjusted, pressure values with different sizes are applied, the current value of the pressure transmitter to be detected is observed on the display screen 13, if the current value of the pressure transmitter to be detected is qualified within a controllable range, and when the device is continuously used, the, after the detection work is finished, all the flat cables needing to be taken down are placed in the two groups of storage grooves 5, and the two groups of first cover plates 7 are respectively rotated to the openings of the inner cavities of the two groups of storage grooves 5 along the two groups of first rotating shafts 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high accuracy pressure transmitter detection device, includes main part (1) and roof (2), its characterized in that: the bottom wall of the inner cavity of the main body (1) is fixedly provided with a pneumatic pump (22) and a PLC (24), the inner cavity of the main body is further provided with four groups of telescopic rods (23), the four groups of telescopic rods (23) are respectively positioned at four corners of the bottom wall of the top plate (2), the pneumatic pump (22) and the PLC (24) are positioned between the four groups of telescopic rods (23), the top wall of the top plate (2) is fixedly provided with a signal input port (14), a signal output port (15), a sensor output port (16), a digital pressure transmitter (17) and a pneumatic pipe interface (18), a display screen (13) is further arranged on the top wall, a battery bin is arranged on the side wall of the main body (1) far away from the display screen (13), a power supply (12) is arranged in the battery bin, and the power supply (12), the display screen; air vent (8) and venthole (9) have been opened respectively to the both sides of main part (1), air vent (8) and venthole (9) communicate with each other with the both sides of battery compartment inner chamber respectively, and fan (10) are all installed to its inside, second pivot (20) are installed to the opening of battery compartment inner chamber, main part (1) is connected with second apron (21) transmission through second pivot (20), second apron (21) and the opening block of battery compartment inner chamber, storing groove (5) have all been opened to the lateral wall of main part (1) both sides, and are two sets of storing groove (5) symmetric distribution is in the both sides of display screen (13), and its inner chamber all is equipped with first pivot (6) and first apron (7).

2. A high accuracy pressure transmitter sensing apparatus as defined in claim 1 wherein: hinge (3) are installed to one of them side of main part (1) roof, and it is connected with a ware (4) transmission through hinge (3), seal the opening block of ware (4) and main part (1) inner chamber.

3. A high accuracy pressure transmitter sensing apparatus as defined in claim 1 wherein: the top walls of the four groups of telescopic rods (23) are fixedly welded with the four corners of the bottom wall of the top plate (2) respectively, and the bottom walls of the four groups of telescopic rods are fixedly welded with the bottom wall of the inner cavity of the main body (1) respectively.

4. A high accuracy pressure transmitter sensing apparatus as defined in claim 1 wherein: the display screen (13) is inlaid on the surface of the top wall of the top plate (2), and a starting key (19) is arranged on one side, far away from the display screen (13), of the top wall of the top plate (2).

5. A high accuracy pressure transmitter sensing apparatus as defined in claim 1 wherein: four groups of support columns (11) are fixedly welded on the bottom wall of the battery compartment, and the power supply (12) is arranged above the four groups of support columns (11).

6. A high accuracy pressure transmitter sensing apparatus as defined in claim 1 wherein: the main body (1) is in transmission connection with a first cover plate (7) through a first rotating shaft (6), and the first cover plate (7) is clamped with an opening of an inner cavity of the storage groove (5).