Numerical control air adiabatic index measuring device

Abstract

The utility model discloses a numerical control air adiabatic index measuring device, which is characterized by comprising an air storage tank, a counter-pressing block and a controller, wherein the counter-pressing block is arranged on the air storage tank and is convenient for later maintenance of the air storage tank and improvement of sealing performance; the controller is connected with the air storage tank and is used for remotely or offline controlling the air storage tank to inflate and deflate; the bottom block and the upper pressing block are arranged on the air storage tank, and the connecting piece is used for connecting the bottom block and the upper pressing block. The air storage tank is sealed through the counter-pressing block, the sealing effect of the air storage tank is improved, and meanwhile later maintenance of the air storage tank is facilitated; the control instrument with the communication module is connected with a computer terminal or a mobile phone, remote deflation and inflation of the air storage tank are achieved, meanwhile, deflation and inflation of the air storage tank can be controlled directly through the control instrument, and therefore use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air adiabatic index experiments, in particular to a numerically controlled air adiabatic index measuring device. Background Art

[0002] The ratio of the specific heat capacity at constant pressure to the specific heat capacity at constant volume of a gas is called the adiabatic index of the gas. It is an important thermodynamic constant and is often used in thermodynamic equations. In the existing technology, during the experiment, the gas tank body needs to be inflated manually by using an inflatable ball, and when deflated, it needs to be deflated manually by opening the deflation valve, which reduces the convenience of the experiment. In addition, when the gas tank body is sealed, a rubber plug is often used to plug the tank mouth of the gas tank body, and glue is used between the rubber plug and the gas tank body to seal it. However, this sealing method is prone to leakage due to the aging of the glue after long-term use, and it is also not convenient for later maintenance. For this reason, a CNC air adiabatic index measuring device that can remotely control the inflation and deflation of the gas tank body is proposed to improve the convenience of the experiment and the sealing of the gas tank body. Summary of the invention

[0003] The utility model aims to solve the above problems and provides a numerically controlled air adiabatic index measuring device.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a numerically controlled air insulation index measuring device, which is characterized by including a gas storage tank, a pressure block installed on the gas storage tank to facilitate the later maintenance of the gas storage tank and improve the sealing performance, and a controller connected to the gas storage tank for remote or offline control of the inflation and deflation of the gas storage tank; the pressure block includes a bottom block and an upper pressure block arranged on the gas storage tank, and a connecting piece connecting the bottom block and the upper pressure block.

[0005] Preferably, a sealing gasket is installed between the upper pressure block and the tank opening of the gas storage tank.

[0006] Preferably, the connecting member can be a screw or a bolt.

[0007] Preferably, the gas tank includes a gas tank body and an electric inflation valve, an electric deflation valve, a temperature sensor and a pressure sensor connected to a controller.

[0008] Preferably, the controller is provided with a control panel and a communication module.

[0009] Preferably, the feature also includes a spare tube installed on the upper pressure block and connected to the gas storage tank to perform backup deflation, inflation and expansion calibration sensor experiments.

[0010] Preferably, a stop valve is also installed on the spare pipe.

[0011] The beneficial effects of the utility model are as follows: by using the pressing block to seal the gas storage tank, the sealing effect of the gas storage tank is improved, and the later maintenance of the gas storage tank is also facilitated;

[0012] By connecting a controller with a communication module to a computer terminal or a mobile phone, the gas tank can be remotely deflated and inflated. At the same time, the gas tank can also be directly deflated and inflated through the controller, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the gas storage tank of the utility model.

[0015] Figure 3 It is a partial structural schematic diagram of the utility model.

[0016] Legend: 1. Gas tank; 101. Gas tank body; 102. Electric inflation valve; 103. Electric deflation valve; 104. Temperature sensor; 105. Pressure sensor; 2. Counter pressure block; 201. Bottom block; 202. Upper pressure block; 203. Connector; 204. Sealing gasket; 3. Controller; 301. Control panel; 4. Spare pipe; 401. Stop valve. DETAILED DESCRIPTION

[0017] Next, we will further explain the numerically controlled air insulation index measuring device of the utility model in conjunction with the accompanying drawings.

[0018] See attached Figure 1-3 As shown, in this embodiment, a numerically controlled air adiabatic index measuring device is characterized by comprising a gas storage tank 1, a counter-pressure block 2 installed on the gas storage tank 1 to facilitate the later maintenance of the gas storage tank 1 and improve the sealing performance, and a controller 3 connected to the gas storage tank 1 to remotely or offline control the inflation and deflation of the gas storage tank 1; the counter-pressure block 2 comprises a bottom block 201 and an upper pressure block 202 arranged on the gas storage tank 1, and a connecting piece 203 connecting the bottom block 201 and the upper pressure block 202; the bottom block 201 is fixedly or detachably arranged on the gas storage tank 1; by using the counter-pressure block 2 The gas tank 1 is sealed to improve the sealing effect of the gas tank 1, and it is also convenient for the later maintenance of the gas tank 1; the controller 3 with a communication module is connected to a computer terminal or a mobile phone to realize remote deflation and inflation of the gas tank 1, and the gas tank can also be directly controlled by the controller 3 to deflate and inflate, thereby improving the convenience of use; the bottom block 201 and the upper pressing block 202 are connected by the connecting piece 203, which is convenient for the disassembly and installation between the bottom block 201 and the upper pressing block 202, thereby facilitating the later maintenance of the gas tank 1.

[0019] See attached Figure 1-3 As shown, a sealing gasket 204 is installed between the upper pressing block 202 and the tank opening of the gas storage tank 1; the connecting member 203 can be a screw or a bolt; the sealing gasket 204 is used to improve the sealing between the upper pressing block 202 and the tank opening of the gas storage tank 1, thereby improving the sealing of the gas storage tank 1.

[0020] See attached Figure 1-3 As shown, the gas tank 1 includes a gas tank body 101 and an electric charging valve 102, an electric deflation valve 103, a temperature sensor 104 and a pressure sensor 105 connected to a controller 3; a control panel 301 and a communication module are provided on the controller 3; the control panel 301 on the controller 3 can directly control the electric charging valve 102 and the electric deflation valve 103 to deflate and inflate the gas tank 1, and the communication module can also be used to connect to a computer terminal or a mobile phone to remotely control the electric charging valve 102 and the electric deflation valve 103 to deflate and inflate the gas tank 1, thereby improving the convenience of use.

[0021] In one embodiment, it also includes a spare pipe 4 installed on the upper pressure block 202 and connected to the gas tank 1 to serve as a backup for deflation, inflation and expansion of sensor calibration experiments; a stop valve 401 is also installed on the spare pipe 4; by using the spare pipe 4, the gas tank 1 can continue to be deflated when the electric deflation valve 103 is damaged, thereby ensuring the normal progress of the experiment, and at the same time, the spare pipe 4 is connected to the barometer, and the pressure sensor 105 is calibrated using the barometer, thereby expanding the sensor calibration experiment; the spare pipe 4 can also be externally connected to a manual inflation valve, so that the gas tank 1 can continue to be manually inflated when the electric inflation valve 102 is damaged.

[0022] The working process of the utility model is to use a remote computer terminal or a mobile phone or a controller 3 to directly control the electric air release valve 103 to open, so that the gas storage tank body 101 is connected to the atmosphere, and the temperature sensor 104 and the pressure sensor 105 sense the temperature and pressure of the gas in the gas storage tank body 101 in real time. The temperature sensor 104 and the pressure sensor 105 feed back the measured data to the remote computer terminal or the mobile phone or the controller 3 until the temperature and pressure of the gas in the gas storage tank body 101 are the same as the temperature and pressure of the surrounding air, and then close the electric air release valve 103;

[0023] Then, the electric charging valve 102 is opened according to the above method, and the gas storage tank 101 is charged with gas. After a certain amount of gas is charged, the electric charging valve 102 is closed, and the air in the gas storage tank 101 is compressed, so that the pressure and temperature of the air are increased and raised. Wait until the gas temperature inside the gas storage tank 101 is stable and reaches the same temperature as the surrounding environment. It is defined that the gas is in state I at this time;

[0024] Then, the electric deflation valve 103 is opened according to the above method to allow the gas in the gas storage tank 101 to communicate with the atmosphere. When the pressure in the gas storage tank 101 drops to the ambient atmospheric pressure, the electric deflation valve 103 is immediately closed. Since the deflation process is fast, the gas in the gas storage tank 101 has no time to exchange heat with the outside world, which can be considered as an adiabatic expansion process. At this time, the gas changes from state I to state II.

[0025] Since the temperature of the gas in the gas tank body 101 is lower than the room temperature, the gas in the gas tank body 101 slowly absorbs heat from the outside until it reaches the room temperature. At this time, the gas pressure in the gas tank body 101 also increases, and the gas state changes to III. The process from state II to state III can be regarded as an isochoric endothermic process. By measuring the pressure of the gas in three states, the adiabatic index of the air can be obtained.

[0026] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A numerically controlled air adiabatic index measuring device, characterized by comprising a gas storage tank (1), a pressure block (2) mounted on the gas storage tank (1) to facilitate later maintenance of the gas storage tank (1) and improve sealing performance, and a controller (3) connected to the gas storage tank (1) to remotely or offline control the inflation and deflation of the gas storage tank (1); the pressure block (2) comprises a bottom block (201) and an upper pressure block (202) arranged on the gas storage tank (1), and a connecting piece (203) connecting the bottom block (201) and the upper pressure block (202).

2. A numerically controlled air adiabatic index measuring device according to claim 1, characterized in that: A sealing gasket (204) is also installed between the upper pressing block (202) and the tank opening of the gas storage tank (1).

3. A numerically controlled air adiabatic index measuring device according to claim 1, characterized in that: The connecting member (203) may be a screw or a bolt.

4. A numerically controlled air adiabatic index measuring device according to claim 1, characterized in that: The gas storage tank (1) comprises a gas storage tank body (101) and an electric inflation valve (102), an electric deflation valve (103), a temperature sensor (104) and a pressure sensor (105) connected to a controller (3).

5. A numerically controlled air adiabatic index measuring device according to claim 4, characterized in that: The controller (3) is provided with a control panel (301) and a communication module.

6. A numerically controlled air insulation index measuring device according to claim 1, characterized in that it also includes a spare pipe (4) installed on the upper pressure block (202) and connected to the gas storage tank (1) to serve as a spare deflation, inflation and expansion calibration sensor experiment.

7. A numerically controlled air adiabatic index measuring device according to claim 6, characterized in that: The standby pipe (4) is also provided with a stop valve (401).

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