Multi-branch inflating device

Abstract

The utility model provides a multi-branch inflating device. The multi-branch inflating device comprises an air storage unit and a pressure output unit, the air storage unit comprises an air storage chamber, an air compressor and an air pressure detector; the pressure output unit comprises a gas main pipeline, a plurality of gas branches and a plurality of gas output ends; one end of the gas main pipeline is connected with the output end of the gas storage chamber, and the other end of the gas main pipeline communicates with the gas branches through branch valves; and each gas branch is provided with a pressure regulating valve, a branch gas detector, an output end valve and an output end gas detector. The multi-branch inflation device is simple in structure, inflation can be carried out through multiple branches at the same time, and the air pressure of each branch is adjustable.

Description

Technical Field

[0001] The utility model relates to the technical field of gas filling and gas detection, in particular to a multi-branch gas filling device. Technical Background

[0002] Currently, when performing tests on objects, such as pressure resistance testing or detecting the air tightness of objects, gas at a fixed pressure is generally injected into the object to be tested. If test results under different pressure conditions are required, the test must be repeated several times, which reduces the test efficiency. Utility Model Content

[0003] The utility model provides a multi-branch inflation device, which can inflate through multiple branches at the same time, and the air pressure of each branch is adjustable.

[0004] The technical solution adopted by the utility model is: a multi-branch inflation device, including an air storage unit and a pressure output unit;

[0005] The air storage unit includes an air storage chamber, an air compressor and an air pressure detector; the air compressor is connected to the air storage chamber to provide air pressure for the air storage chamber; the air pressure detector is connected to the air storage chamber to detect the air pressure value of the air storage chamber;

[0006] The pressure output unit includes a gas main pipeline, several gas branches and several gas output ends; one end of the gas main pipeline is connected to the output end of the gas storage chamber, and the other end is connected to each gas branch through a branch valve;

[0007] Each gas branch is provided with a pressure regulating valve, a branch gas detector, an output end valve and an output end gas detector; one end of the pressure regulating valve is connected to the gas branch, and the other end is connected to the gas output port through the output end valve; the branch gas detector is connected to the pressure regulating valve and is used to detect the pressure value at the output end of the branch pressure regulating valve; the output end gas detector is connected to the gas output end and is used to detect the pressure value at the gas output end.

[0008] Preferably, the number of the gas branches is greater than or equal to 2.

[0009] Preferably, the air compressor is connected to the air storage chamber through a sealed pipe.

[0010] Preferably, the valve is an electromagnetic valve.

[0011] Preferably, the branch valve is an electromagnetic valve.

[0012] Preferably, the inflation device further includes a control unit for collecting the pressure values ​​of the air storage chamber, the pressure values ​​at the output ends of each branch pressure regulating valve, and the pressure values ​​at each gas output end, and for controlling the opening and closing of the air compressor, branch valves, and output end valves. Further preferably, the control unit includes an operation terminal, which includes functions such as displaying the status of each branch pressure regulating valve, setting the air storage chamber pressure value and real-time display of the pressure values ​​at the output ends of each branch pressure regulating valve, setting and real-time display of the gas output end pressure value, and controlling the opening and closing of the branch valves and the output end valves.

[0013] Preferably, the inflatable device further comprises a box, and the gas storage unit and the pressure output unit are arranged in the box. When the inflatable device further comprises a control unit, preferably, the control unit is also arranged in the box.

[0014] The object to be tested is not limited, and can be, for example, a car tire, a car air pipe, etc.

[0015] When the air pressure detection device is used to test the pressure resistance performance of the object to be tested, the specific steps are as follows:

[0016] (1) Set the pressure value in the gas storage chamber and the pressure value of the object to be measured;

[0017] (2) Selecting a gas output end of the air pressure detection device to connect to the gas input end of the object to be measured, and sealing the gas output end of the object to be measured;

[0018] Turn on the air compressor and monitor the air pressure in the air storage chamber through the gas detector. When the pressure value in the air storage chamber reaches the set pressure value in the air storage chamber, the air compressor automatically stops running;

[0019] Open the branch valve of the gas branch connected to the object to be measured, adjust the pressure regulating valve connected to the gas branch until the pressure value detected by the branch gas detector connected to the pressure regulating valve reaches the set pressure value of the object to be measured, open the output end valve, and the gas enters the object to be measured through the gas output end. When the pressure value detected by the output end gas detector is equal to the pressure value detected by the branch gas detector, that is, when the pressure value of the object to be measured is reached, close the output end valve.

[0020] The inflation device can also be used to periodically inflate the object to be tested, specifically by automatically opening and closing each branch valve in a corresponding period set in the control unit.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The multi-branch inflation device of the present invention is provided with multiple gas branches, and the air pressure of each gas branch can be independently controlled, so that multiple branches and output ports with different air pressure values ​​of each branch can be provided at the same time;

[0023] (2) The utility model is provided with a pressure regulating valve, a branch gas detector and a gas output detector in each gas branch, which can adjust the gas pressure that can be provided by the branch according to needs, and can monitor the gas pressure value of the gas output end connected to each branch in real time, so as to automatically apply a certain pressure to the sample to be tested;

[0024] (3) The utility model can be used to perform pressure resistance tests on samples to be tested. When multiple samples are prepared from the same test body and each sample is connected to each gas output end, pressure resistance tests under different pressure conditions can be performed simultaneously;

[0025] (4) The utility model preferably arranges the gas storage unit and the air pressure output unit in the box. When the environment inside the box can simulate various environments, the pressure resistance test of the object to be tested can be carried out under various environmental conditions, for example, it can be applied to the pressure resistance aging test of automobile gas pipelines.

[0026] (5) The present invention preferably has a control unit, which can be set and automatically operated through the control unit, and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural diagram of the multi-branch inflation device in Example 1 of the present utility model.

[0028] Figure 1 The reference numerals in the drawings are: box 1, air storage chamber 2, air compressor 3, air pressure detector 4, pipeline 5, gas main pipeline 6;

[0029] First branch 10, first branch valve 11, first pressure regulating valve 12, first gas output end 13, first branch air pressure detector 14, first output end valve 15, first output end air pressure detector 16;

[0030] Second branch 20, second branch valve 21, second pressure regulating valve 22, second gas output end 23, second branch air pressure detector 24, second output end valve 25, second output end air pressure detector 26;

[0031] The third branch 30 , the third branch valve 31 , the third pressure regulating valve 32 , the third gas output end 33 , the third branch air pressure detector 34 , the third output end valve 35 , and the third output end air pressure detector 36 . DETAILED DESCRIPTION

[0032] The following detailed description of the present invention includes a detailed description of certain specific details. A person skilled in the art will be able to fully understand the present invention without these details. To avoid obscuring the essence of the present invention, well-known methods, processes, procedures, components, and circuits are not described in detail. For clarity, parts in the accompanying drawings are not drawn to scale. In addition, some well-known parts may not be shown.

[0033] Unless the context clearly requires otherwise, throughout the specification and claims, words like "include," "comprising," and similar expressions should be interpreted as inclusive, rather than exclusive or exhaustive; that is, as meaning "including but not limited to." In the description of this utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise specified, "a number" means two or more.

[0034] like Figure 1 As shown, the multi-branch inflation device includes an air storage unit and a pressure output unit. The air storage unit includes an air storage chamber 2, an air compressor 3, and an air pressure detector 4. The air compressor 3 is connected to the air storage chamber 2 via a pipe 5 to provide air pressure to the air storage chamber 2. The air pressure detector 4 is connected to the air storage chamber 2 to detect the air pressure in the air storage chamber 2.

[0035] The pressure output unit includes a gas main pipeline 6, three branches and three gas output ends. One end of the gas main pipeline 6 is connected to the output end of the gas storage chamber 2, and the other end is connected to the three branches through branch valves.

[0036] That is, the gas main pipeline 6 is connected to the first branch 10 through the first branch valve 11; the first branch 10 is provided with a first pressure regulating valve 12, a first branch gas detector 14, a first output end valve 15 and a first output end gas detector 16; one end of the first pressure regulating valve 12 is connected to the first branch 10, and the other end is connected to the first gas output end 13 through the first output end valve 15; the first branch gas detector 14 is connected to the first pressure regulating valve 12, and is used to detect the pressure value of the output end of the first pressure regulating valve 12; the first output end gas detector 16 is connected to the first gas output end 13, and is used to detect the pressure value of the first gas output end 13.

[0037] The gas main pipeline 6 is connected to the first branch 20 through the second branch valve 21; the second branch 20 is provided with a second pressure regulating valve 22, a second branch gas detector 24, a second output end valve 25, and a second output end gas detector 26; one end of the second pressure regulating valve 22 is connected to the second branch 20, and the other end is connected to the second gas output end 23 through the second output end valve 25; the second branch gas detector 24 is connected to the second pressure regulating valve 22, and is used to detect the pressure value of the output end of the second pressure regulating valve 22; the second output end gas detector 26 is connected to the second gas output end 23, and is used to detect the pressure value of the second gas output end 23.

[0038] The gas main pipeline 6 is connected to the third branch 30 through the third branch valve 31; the third branch 30 is provided with a third pressure regulating valve 33, a third branch gas detector 34, a third output end valve 35, and a third output end gas detector 36; one end of the third pressure regulating valve 32 is connected to the third branch 30, and the other end is connected to the third gas output end 33 through the third output end valve 35; the third branch gas detector 34 is connected to the third pressure regulating valve 32, and is used to detect the pressure value of the output end of the third pressure regulating valve 32; the third output end gas detector 36 is connected to the third gas output end 33, and is used to detect the pressure value of the third gas output end 33.

[0039] In this embodiment, the first branch valve 11 , the second branch valve 21 and the third branch valve 31 are electromagnetic valves.

[0040] In this embodiment, the multi-branch inflation device also includes a control unit for collecting the pressure value of the air storage chamber 2, the pressure value of the output end of each pressure regulating valve, the pressure value of each gas output end, and controlling the opening and closing of the air compressor, each branch valve, and each output end valve.

[0041] In this embodiment, the inflation device further includes a box body 1, and the gas storage unit, the pressure output unit and the control unit are all arranged in the box body.

[0042] The object to be tested is not limited, and can be, for example, a car tire, a car air pipe, etc.

[0043] In this embodiment, the inflation device is used to test the pressure resistance of the object to be tested, which is a car tire, as follows:

[0044] (1) Set the pressure value in the gas storage chamber and the pressure value of the object to be measured;

[0045] (2) Select the first gas output end 13 to connect to the gas input end of the object to be measured, and seal the gas output end of the object to be measured;

[0046] Start the air compressor 3 and monitor the air pressure in the air storage chamber 2 through the gas detector 4. When the pressure value in the air storage chamber 2 reaches the set pressure value in the air storage chamber, the air compressor 2 automatically stops running.

[0047] Open the first branch valve 11, adjust the first pressure regulating valve 12 until the pressure value detected by the first branch gas detector 14 reaches the set pressure value of the object to be tested, open the first output end valve 15, and the gas enters the object to be tested through the first gas output end 13. When the pressure value detected by the first output end gas detector 16 is equal to the pressure value detected by the first branch gas detector 14, that is, when the pressure value of the object to be tested is reached, close the first output end valve 15, and test the pressure resistance performance of the object to be tested under this pressure value condition.

[0048] The inflation device can also be used to simultaneously perform pressure tests on the same test object under different pressure conditions. For example, the test object is a completely identical automobile tire produced from the same batch. Prepare three such automobile tires, record them as the first tire sample, the second tire sample, and the third tire sample, as follows:

[0049] (1) Setting the pressure value in the air storage chamber and the pressure value of the first tire sample, the pressure value of the second tire sample, and the pressure value of the third tire sample;

[0050] (2) Select the first gas output end 13 to be connected to the gas input end of the first tire sample, and seal the gas output end of the first tire sample; connect the second gas output end 23 to the gas input end of the second tire sample, and seal the gas output end of the second tire sample; connect the third gas output end 33 to the gas input end of the third tire sample, and seal the gas output end of the third tire sample;

[0051] Start the air compressor 3 and monitor the air pressure in the air storage chamber 2 through the gas detector 4. When the pressure value in the air storage chamber 2 reaches the set pressure value in the air storage chamber, the air compressor 2 automatically stops running.

[0052] Open the first branch valve 11, adjust the first pressure regulating valve 12 until the pressure value detected by the first branch gas detector 14 reaches the set pressure value of the first tire sample, open the first output end valve 15, and the gas enters the test object through the first gas output end 13. When the pressure value detected by the first output end gas detector 16 equals the pressure value detected by the first branch gas detector 14, that is, when the pressure value of the first tire sample is reached, close the first output end valve 15, and test the pressure resistance performance of the first tire sample under the pressure value condition;

[0053] At the same time, the second branch valve 21 is opened, and the second pressure regulating valve 22 is adjusted until the pressure value detected by the second branch gas detector 24 reaches the set pressure value of the second tire sample. The second output end valve 25 is opened, and the gas enters the test object through the second gas output end 23. When the pressure value detected by the second output end gas detector 26 equals the pressure value detected by the second branch gas detector 24, that is, when the pressure value of the second tire sample is reached, the second output end valve 25 is closed, and the pressure resistance performance of the second tire sample under the pressure value condition is tested;

[0054] At the same time, the third branch valve 31 is opened, and the third pressure regulating valve 32 is adjusted until the pressure value detected by the third branch gas detector 34 reaches the set pressure value of the third tire sample. The third output end valve 35 is opened, and the gas enters the test object through the third gas output end 33. When the pressure value detected by the third output end gas detector 36 equals the pressure value detected by the third branch gas detector 34, that is, when the pressure value of the third tire sample is reached, the third output end valve 35 is closed, and the pressure resistance performance of the third tire sample under the pressure value condition is tested.

[0055] In this embodiment, the inflation device can also be used to perform periodic ventilation on the object to be measured, specifically: the control unit sets the corresponding period to automatically open and close the valves of each branch.

[0056] In this embodiment, when various actual operating environments are simulated in the box 1, a pressure test of the object to be tested can be performed under the actual operating environment conditions, for example, it can be applied to a pressure aging test of an automobile gas pipeline.

[0057] The embodiments described above provide a detailed description of the technical solutions of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, supplements or similar substitutions made within the scope of the principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multi-branch inflation device, characterized by: It includes a gas storage unit and a pressure output unit; The air storage unit includes an air storage chamber, an air compressor and an air pressure detector; the air compressor is connected to the air storage chamber to provide air pressure for the air storage chamber; the air pressure detector is connected to the air storage chamber to detect the air pressure value of the air storage chamber; The pressure output unit includes a gas main pipeline, a plurality of gas branches and a plurality of gas output ends; one end of the gas main pipeline is connected to the output end of the gas storage chamber, and the other end is connected to each gas branch through a branch valve; Each gas branch is provided with a pressure regulating valve, a branch gas detector, an output end valve and an output end gas detector; one end of the pressure regulating valve is connected to the gas branch, and the other end is connected to the gas output port through the output end valve; the branch gas detector is connected to the pressure regulating valve and is used to detect the pressure value at the output end of the branch pressure regulating valve; the output end gas detector is connected to the gas output end and is used to detect the pressure value at the gas output end.

2. The multi-branch inflation device according to claim 1, characterized in that: The number of the gas branches is greater than or equal to 2.

3. The multi-branch inflation device according to claim 1, wherein: The air compressor is communicated with the air storage chamber through a sealed pipe.

4. The multi-branch inflation device according to claim 1, wherein: The branch valve is an electromagnetic valve.

5. The multi-branch inflation device according to claim 1, wherein: The valve at the output end is an electromagnetic valve.

6. The multi-branch inflation device according to claim 1, wherein: The inflation device also includes a control unit for collecting the pressure value of the air storage chamber, the pressure value of the output end of each pressure regulating valve, the pressure value of each gas output end, and controlling the opening and closing of the air compressor, branch valve, and output end valve.

7. The multi-branch inflation device according to claim 1, wherein: The control unit includes an operation terminal, which includes status display of each pressure regulating valve, setting and real-time display of the gas storage chamber pressure value, real-time display of the output pressure value of each pressure regulating valve, setting and real-time display of the gas output pressure value, branch valve opening and closing control, and output valve opening and closing control.

8. The multi-branch inflation device according to claim 1, wherein: The inflation device further includes a box body, and the gas storage unit and the pressure output unit are arranged in the box body.

9. The multi-branch inflation device according to any one of claims 1 to 8, characterized in that: The object to be tested is a car tire or a car air pipe.

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