CN-224231198-U - Air pressure experimental device

Abstract

The utility model provides an air pressure experiment device which comprises a device body, wherein a buffer tube, a PLC (programmable logic controller) control board and a 24V direct-current voltage module are arranged in the device body, an interface tube of equipment to be tested and a compressed air interface tube which are integrally formed with the buffer tube are respectively arranged at two ends of the buffer tube, the tube diameters of the interface tube of the equipment to be tested and the compressed air interface tube are smaller than those of the buffer tube, a pressurizing electromagnetic valve is arranged on the compressed air interface tube, a pressure sensor and a pressure release tube are respectively connected onto the buffer tube, the pressure release tube is connected with the pressure release electromagnetic valve, a control display screen is arranged on the surface of the pressure release device body, the control display screen, the pressurizing electromagnetic valve, the pressure release electromagnetic valve and the pressure sensor are electrically connected with the PLC control board, and the 24V direct-current voltage module is electrically connected with the PLC control board. The utility model can carry out air pressure and air tightness experiments on the air pressure experimental equipment, and has the advantages of simple operation and accurate experimental data.

Inventors

• CHEN YONGCHUAN
• Ding Shenbing
• CHEN XINCAN
• WAN SIBEN

Assignees

• 四川天法科技有限公司

Dates

Publication Date

20260512

Application Date

20250520

Claims (5)

1. 1. The air pressure experimental device is characterized by comprising a device body, wherein a buffer tube, a PLC control panel and a 24V direct-current voltage module are arranged in the device body, an equipment interface tube to be tested and a compressed air interface tube which are integrally formed with the buffer tube are respectively arranged at two ends of the buffer tube, the pipe diameters of the equipment interface tube to be tested and the compressed air interface tube are smaller than those of the buffer tube, a pressurizing electromagnetic valve is arranged on the compressed air interface tube, a pressure sensor and a pressure relief tube are respectively connected onto the buffer tube, the pressure relief tube is connected with the pressure relief electromagnetic valve, a control display screen is arranged on the surface of the pressure relief device body, the control display screen, the pressurizing electromagnetic valve, the pressure relief electromagnetic valve and the pressure sensor are electrically connected with the PLC control panel, and the 24V direct-current voltage module is electrically connected with the PLC control panel.
2. 2. The air pressure experimental device according to claim 1, wherein the surface of the device body is provided with an experimental state signal lamp electrically connected with the PLC control board, and the experimental state signal lamp comprises an experimental qualification signal lamp, an experimental disqualification signal lamp and a system fault signal lamp.
3. 3. The air pressure experimental device according to claim 1, wherein an experimental control button electrically connected with the PLC control board is arranged on the surface of the device body, and the experimental control button comprises a pressurizing button, a pressure maintaining button and a pressure releasing button.
4. 4. The air pressure experimental device according to claim 1, wherein a buzzing alarm electrically connected with the PLC control board is arranged on the surface of the device body.
5. 5. A barometric pressure testing device according to claim 1, wherein said buffer tube is a DN50 tube.

Description

Air pressure experimental device Technical Field The utility model relates to the field of air pressure experiments, in particular to an air pressure experiment device. Background The traditional air pressure experimental device needs experimental staff to observe whether the state of an experimental product is leaked or not and operate experimental equipment, the operation is extremely complicated, and the experimental data is inaccurate and has extremely large errors. So the traditional air pressure device has low experimental efficiency. The air pressure experimental device cannot meet the air pressure experimental requirements of batch products, and is developed in order to improve efficiency and experimental precision. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a pneumatic experimental device to solve the technical problems related to the background art. The aim of the utility model is realized by the following technical scheme: The air pressure experimental device comprises a device body, a buffer tube, a PLC control board and a 24V direct-current voltage module are arranged in the device body, an interface tube of equipment to be tested and a compressed air interface tube which are integrally formed with the buffer tube are respectively arranged at two ends of the buffer tube, the tube diameters of the interface tube of the equipment to be tested and the compressed air interface tube are smaller than those of the buffer tube, a pressurizing electromagnetic valve is arranged on the compressed air interface tube, a pressure sensor and a pressure relief tube are respectively connected onto the buffer tube, the pressure relief tube is connected with the pressure relief electromagnetic valve, a control display screen is arranged on the surface of the device body, the control display screen, the pressurizing electromagnetic valve, the pressure relief electromagnetic valve and the pressure sensor are electrically connected with the PLC control board, and the 24V direct-current voltage module is electrically connected with the PLC control board. In the above summary of the utility model, further, an experimental status signal lamp electrically connected to the PLC control board is disposed on the surface of the device body, and the experimental status signal lamp includes an experimental qualified signal lamp, an experimental unqualified signal lamp and a system fault signal lamp. In the above summary, further, an experiment control button electrically connected to the PLC control board is disposed on the surface of the device body, and the experiment control button includes a pressurizing button, a pressure maintaining button, and a pressure releasing button. In the above summary, further, a buzzer alarm electrically connected to the PLC control board is disposed on the surface of the device body. In the above summary, further, the buffer tube is a DN50 tube. The beneficial effects of the utility model are as follows: the utility model can carry out air pressure and air tightness experiments on the air pressure experimental equipment, and has the advantages of simple operation and accurate experimental data. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic view of the surface structure of the present utility model. In the figure, 1-device body, 2-buffer tube, 3-equipment interface pipe to be tested, 4-compressed air interface, 5-pressure solenoid valve, 6-pressure sensor, 7-pressure release tube, 8-pressure release solenoid valve, 9-control display screen, 10-experimental state signal lamp, 11-experimental control button, 12-phoenix alarm. Detailed Description Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated. Examples: The utility model provides a pneumatic experimental device, referring to fig. 1 and fig. 2, including device body 1,