CN215931167U

CN215931167U - Pressure transmitter calibrating device

Info

Publication number: CN215931167U
Application number: CN202122454624.9U
Authority: CN
Inventors: 蔡玮
Original assignee: Zhejiang Keweile Automatic Sensor Co ltd
Current assignee: Zhejiang Keweile Automatic Sensor Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-01
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a pressure transmitter calibration device which comprises a box body, a first placing groove, a second placing groove, a connector and a threaded hole. This pressure transmitter calibrating device, during the use, at first carry the box to the position that needs to use through the handle, then take standard pressure transmitter in the first standing groove and take mounting tool from the second standing groove, install standard pressure transmitter in the screw hole on the connector that corresponds, then take the pressure transmitter that needs the calibration, and fix in the screw hole that corresponds the connector according to the label sticker through mounting tool, then open the valve that the pressure transmitter that corresponds standard pressure transmitter and needs detected corresponds, then supply power for the air pump through on-off control portable power source, make the air pump begin to work, thereby whether qualified through carrying out the reading contrast to standard pressure transmitter and the pressure transmitter that needs to detect and reacing the pressure transmitter that needs detected.

Description

Pressure transmitter calibrating device

Technical Field

The utility model relates to the technical field of pressure transmitters, in particular to a pressure transmitter calibration device.

Background

The pressure transmitter is a device for converting pressure into pneumatic signals or electric signals for control and remote transmission, 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, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like. It can convert the physical pressure parameters sensed by the load cell sensor into standard electric signals for the secondary instruments such as indicating alarm, recorder and regulator to measure, indicate and regulate the process.

Pressure transmitter often need be calibrated in pressure transmitter's use, and current calibrating device can connect fixedly with the help of pressure transmitter from the screwed joint of taking usually when carrying out pressure transmitter calibration, but, the screwed joint that different producers adopted has the difference, leads to calibrating device to detect the pressure transmitter of certain fixed size screwed joint usually only, and adaptability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pressure transmitter calibration apparatus to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a pressure transmitter calibration device comprises a box body, wherein one side of the top surface of the box body is provided with a mounting groove, the inner side of the box body is provided with a cavity corresponding to the mounting groove, the other side of the top surface of the box body is sequentially provided with a first placing groove and a second placing groove, the outer side of the box body is provided with a cover body, one side of the cover body is hinged with the box body through a hinge, a six-way pipe joint is arranged in the mounting groove, one end of the six-way pipe joint is fixedly connected with a connecting pipe, one end of the connecting pipe is inserted into the cavity and is fixedly connected with an air pump, an air inlet of the air pump is fixedly connected with an air inlet pipe, one end of the air inlet pipe penetrates out of the box body, the outer side of the air pump is provided with a mobile power supply, the other five ends of the six-way pipe joint are fixedly connected with valves, one end of each valve is fixedly connected with an L-shaped joint, the L-shaped joint is arranged for steering the ventilation direction, the end part of the L-shaped joint is fixedly connected with a connector, and the connecting head is provided with a threaded hole, the outside of connector is equipped with the label sticker rather than corresponding, and the label sticker is standard label, M10 label, M12 label, M15 label and M20 label respectively, corresponds the size of screw hole on the first connector respectively, and label sticker fixed connection is at the top surface of box, is equipped with standard pressure transmitter in the first standing groove, is equipped with mounting tool in the second standing groove, and the outer wall fixed mounting of box has the switch.

As a further scheme of the utility model: the air pump is fixedly connected with the inner wall of the box body, the mobile power supply is fixedly connected with the inner wall of the box body, and the sizes of the threaded holes in the connectors are different from each other.

As a still further scheme of the utility model: the bottom of lid one side corresponds mounting groove and label sticker department and has seted up and dodge the groove, and the bottom opposite side of lid is equipped with the collecting storage, and the outside of collecting storage is equipped with the apron, and the inner wall fixed connection of hinge and collecting storage is passed through to one side of apron, and the opposite side of apron is connected with the lateral wall magnetism of collecting storage.

As a still further scheme of the utility model: the outer wall of the box body is fixedly connected with a handle.

As a still further scheme of the utility model: the other side fixedly connected with elastic plate of lid, the bottom one side fixedly connected with lug of elastic plate, the box corresponds the lug department and sets up the recess with lug looks adaptation.

As a still further scheme of the utility model: the air pump and the mobile power supply are electrically connected with the switch through electric wires.

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

1. according to the utility model, through the matched use of the six-way pipe joint, the connecting pipe, the air pump, the air inlet pipe, the mobile power supply, the valve, the L-shaped joint, the connecting head, the threaded hole, the label sticker, the standard pressure transmitter, the mounting tool and the switch, the pressure transmitters of different threaded joints can be calibrated through the threaded holes with different sizes on different connecting heads, so that the adaptability of the calibrating device is wider.

2. According to the utility model, through the arrangement of the storage bin and the cover plate, the device has a file storage function, so that the calibration records can be conveniently stored and carried.

3. According to the pressure transmitter calibration device, the box body, the mounting groove, the cavity, the first placing groove, the second placing groove and the cover body are matched for use, so that detection appliances and parts can be stored through the box body and the cover body, the cover body and the box body can be conveniently fixed through the arrangement of the elastic plate, the convex block and the groove, the device is conveniently carried through the arrangement of the lifting handle, and the pressure transmitter calibration device has the function of being convenient to carry.

Drawings

Fig. 1 is a schematic structural diagram of a pressure transmitter calibration device.

FIG. 2 is an overhead perspective view of a pressure transmitter calibration device.

FIG. 3 is a cross-sectional view of a pressure transmitter calibration device at the connection tube.

In the figure: the device comprises a box body 1, a mounting groove 2, a cavity 3, a first placing groove 4, a second placing groove 5, a cover body 6, a six-way pipe joint 7, a connecting pipe 8, an air pump 9, an air inlet pipe 10, a mobile power supply 11, a valve 12, a L-shaped joint 13, a connector 14, a threaded hole 15, a label sticker 16, a standard pressure transmitter 17, a mounting tool 18, a storage bin 19, a cover plate 20, a handle 21, an elastic plate 22, a lug 23, a groove 24 and a switch 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a pressure transmitter calibration apparatus includes a box body 1, a mounting groove 2 is formed on one side of a top surface of the box body, a cavity 3 is formed on an inner side of the box body 1 corresponding to the mounting groove 2, a first placing groove 4 and a second placing groove 5 are sequentially formed on the other side of the top surface of the box body 1, a cover body 6 is arranged on an outer side of the box body 1, one side of the cover body 6 is hinged to the box body 1 through a hinge, a six-way pipe joint 7 is arranged in the mounting groove 2, one end of the six-way pipe joint 7 is fixedly connected with a connecting pipe 8, one end of the connecting pipe 8 is inserted into the cavity 3 and is fixedly connected with an air pump 9, an air inlet of the air pump 9 is fixedly connected with an air inlet pipe 10, one end of the air inlet pipe 10 penetrates through the box body 1, a mobile power source 11 is arranged on an outer side of the air pump 9, a charging interface is connected to the mobile power source 11, the charging interface penetrates through the box body 1, valves 12 are fixedly connected to the other five ends of the six-way pipe joint 7, one end fixedly connected with L of valve 12 appears and connects 13, L appears and connects 13 and set up and be used for turning to the direction of ventilating, L appears and connects 13's tip fixedly connected with connector 14, set up threaded hole 15 on the connector 14, the outside of connector 14 is equipped with the label sticker 16 rather than corresponding, label sticker 16 is the standard label respectively, the M10 label, the M12 label, M15 label and M20 label, correspond the size of threaded hole 15 on the first connector 14 respectively, label sticker 16 fixed connection is at the top surface of box 1, be equipped with standard pressure transmitter 17 in first standing groove 4, standard pressure transmitter 17 is equipped with two, be equipped with mounting tool 18 in the second standing groove 5, mounting tool is including the different spanner of each model, the outer wall fixed mounting of box 1 has switch 25.

Air pump 9 and the inner wall fixed connection of box 1, portable power source 11 and the inner wall fixed connection of box 1, the screw hole 15 size diverse on the connector 14.

The bottom one side of lid 6 corresponds mounting groove 2 and label sticker 16 department and has seted up and dodge the groove, and the bottom opposite side of lid 6 is equipped with storage bin 19, and storage bin 19 is used for preserving the file, and storage bin 19's the outside is equipped with apron 20, and hinge and storage bin 19's inner wall fixed connection is passed through to one side of apron 20, and the opposite side of apron 20 is connected with storage bin 19's lateral wall magnetism.

The outer wall of the box body 1 is fixedly connected with a handle 21.

The other side fixed connection of lid 6 has elastic plate 22, and elastic plate 22 has the nature of automatic re-setting after the deformation for the plastics material, and the bottom one side fixed connection of elastic plate 22 has lug 23, and box 1 corresponds lug 23 department and offers the recess 24 with lug 23 looks adaptation.

The air pump 9 and the mobile power supply 11 are electrically connected with the switch 25 through wires.

The bottom of the box body 1 is provided with air holes corresponding to the cavities 3, and four corners of the bottom of the box body 1 are fixedly connected with foot pads.

The working principle of the utility model is as follows:

when the pressure transmitter is used, firstly, the box body 1 is carried to a position to be used through the handle 21, the box body 1 is placed on a table board through the foot pad, then the elastic plate 22 is shifted to separate the bump 23 from the groove 24, so that the cover body 6 is opened, then the standard pressure transmitter 17 is taken from the first placing groove 4 and the mounting tool 18 is taken from the second placing groove 5, the standard pressure transmitter 17 is installed in the threaded hole 15 on the corresponding connector 14, then the pressure transmitter to be calibrated is taken, the pressure transmitter to be calibrated is fixed in the threaded hole 15 of the corresponding connector 14 according to the label sticker 16 through the mounting tool 18, then the valve 12 corresponding to the standard pressure transmitter 17 and the pressure transmitter to be detected is opened, then the mobile power supply 11 is controlled through the switch 25 to supply power to the air pump 9, so that the air pump 9 starts to work, the air pump 9 sucks in the outside air through the air inlet pipe 10, meanwhile, sucked air is conveyed into the six-way pipe joint 7 through the connecting pipe 8, the air enters the six-way pipe joint 7 to be split, enters the L-shaped joint 13 through the opened valve 12 and finally enters the standard pressure transmitter 17 and the pressure transmitter to be detected, so that whether the pressure transmitter to be detected is qualified or not is obtained through reading comparison between the standard pressure transmitter 17 and the pressure transmitter to be detected, calibration operation is completed, then the cover plate 20 is opened, a recording document is taken from the containing bin 19, and calibration recording is carried out.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a pressure transmitter calibrating device, includes box (1), its characterized in that: the portable air-conditioning cabinet is characterized in that a mounting groove (2) is formed in one side of the top surface of the cabinet body, a cavity (3) is formed in the inner side of the cabinet body (1) corresponding to the mounting groove (2), a first placing groove (4) and a second placing groove (5) are sequentially formed in the other side of the top surface of the cabinet body (1), a cover body (6) is arranged on the outer side of the cabinet body (1), one side of the cover body (6) is hinged to the cabinet body (1) through a hinge, a six-way pipe joint (7) is arranged in the mounting groove (2), a connecting pipe (8) is fixedly connected to one end of the six-way pipe joint (7), one end of the connecting pipe (8) is inserted into the cavity (3) and is fixedly connected with an air pump (9), an air inlet pipe (10) is fixedly connected to an air inlet of the air pump (9), one end of the air inlet pipe (10) penetrates out of the cabinet body (1), a mobile power supply (11) is arranged on the outer side of the air pump (9), and valves (12) are fixedly connected to the other five ends of the six-way pipe joint (7), one end fixedly connected with L of valve (12) appears and connects (13), the tip fixedly connected with connector (14) that L appears and connects (13), set up threaded hole (15) on connector (14), the outside of connector (14) is equipped with label sticker (16) rather than corresponding, label sticker (16) fixed connection is at the top surface of box (1), be equipped with standard pressure transmitter (17) in first standing groove (4), be equipped with mounting tool (18) in second standing groove (5), the outer wall fixed mounting of box (1) has switch (25).

2. A pressure transmitter calibration device according to claim 1, wherein: air pump (9) and the inner wall fixed connection of box (1), portable power source (11) and the inner wall fixed connection of box (1), screw hole (15) size diverse on connector (14).

3. A pressure transmitter calibration device according to claim 1, wherein: the bottom one side of lid (6) corresponds mounting groove (2) and label sticker (16) department and has seted up and dodge the groove, and the bottom opposite side of lid (6) is equipped with storage bin (19), and the outside of storage bin (19) is equipped with apron (20), and the inner wall fixed connection of hinge and storage bin (19) is passed through to one side of apron (20), and the opposite side of apron (20) is connected with the lateral wall magnetism of storage bin (19).

4. A pressure transmitter calibration device according to claim 1, wherein: the outer wall of the box body (1) is fixedly connected with a handle (21).

5. A pressure transmitter calibration device according to claim 1, wherein: the other side fixed connection elastic plate (22) of lid (6), bottom one side fixed connection convex block (23) of elastic plate (22), box (1) correspond convex block (23) department and offer recess (24) with convex block (23) looks adaptation.

6. A pressure transmitter calibration device according to claim 1, wherein: the air pump (9) and the mobile power supply (11) are electrically connected with the switch (25) through electric wires.