Medium flow velocity testing device

Abstract

The utility model provides a medium flow velocity testing device. The medium flow velocity testing device comprises a testing box and a control box, the test box is provided with a connecting hole for medium circulation; the connecting hole is used for being communicated with a pump opening of a target medium pump under the condition that the test box is connected with the target medium pump; the control box is used for controlling the test box so as to test the flow speed of the medium conveyed by the target medium pump; and the test box is detachably connected with the control box. According to the medium flow velocity testing device, through detachable connection between the testing box and the control box, under the condition that flow velocity testing is carried out on different types of target medium pumps, different testing boxes can be replaced to adapt to the different types of target medium pumps. Therefore, the application range of the medium flow velocity testing device is expanded.

Description

Technical Field

[0001] This application relates to the technical field of industrial inspection, and more particularly, to a device for measuring the flow rate of a medium. Background Art

[0002] The flow rate of a medium can generally be the flow rate of a gas, the flow rate of a liquid, etc. A device for measuring the flow rate of a medium is usually used to measure the flow rate of a gas, a liquid, etc.

[0003] Currently, most devices for measuring the flow rate of a medium include a test box and a control box. The test box is used to connect to a target medium pump whose flow rate is to be measured, such as a water pump, a vacuum pump, etc., to obtain the flow rate at which the target medium pump transports the medium. The control box is used to control the test box and to process and analyze the flow rate obtained by the test box to obtain a test result, etc.

[0004] Since the test box needs to be connected to the target medium pump, the test box needs to be matched with the target medium pump. However, currently most devices for measuring the flow rate of a medium can only test a certain specific type of target medium pump that is compatible with it, and cannot test other types of target medium pumps. That is to say, the applicable range of currently most target medium pumps is not large enough. Summary of the Utility Model

[0005] The purpose of this application is to provide a device for measuring the flow rate of a medium. Through the detachable connection between the test box and the control box, it can be ensured that when measuring the flow rate of different types of target medium pumps, different test boxes can be replaced to adapt to different types of target medium pumps. Thus, the usage range of the device for measuring the flow rate of a medium can be expanded.

[0006] This application provides a device for measuring the flow rate of a medium, including a test box and a control box; a connection hole for the medium to flow through is provided on the test box; the connection hole is used to communicate with the pump port of the target medium pump when the test box is connected to the target medium pump; the control box is used to control the test box to measure the flow rate at which the target medium pump transports the medium; the test box and the control box are detachably connected.

[0007] For the above-mentioned device for measuring the flow rate of a medium, through the detachable connection between the test box and the control box, it can be ensured that when measuring the flow rate of different types of target medium pumps, different test boxes can be replaced to adapt to different types of target medium pumps. Thus, the usage range of the device for measuring the flow rate of a medium is expanded.

[0008] Optionally, a hanging part is provided on one of the test box and the control box; a hanging hole matching the hanging part is provided on the other of the test box and the control box.

[0009] The above-mentioned medium flow rate testing device realizes the detachable connection between the testing box and the control box through the combination of the hanging part and the hanging hole. Compared with other detachable methods such as screwing, it makes the disassembly and assembly between the control box and the testing box more convenient. Correspondingly, the disassembly and assembly speed of the control box and the testing box is improved, thereby improving the efficiency of testing the medium flow rate of the target medium pump.

[0010] Optionally, the hanging part includes a pin shaft provided on one of the testing box and the control box; the pin shaft is inserted into the hanging hole to realize the hanging connection between the testing box and the control box.

[0011] The above-mentioned medium flow rate testing device realizes the detachable connection between the testing box and the control box through the combination of the pin shaft and the hanging hole. During disassembly and assembly, it only needs to insert the pin shaft into the hanging hole or pull the pin shaft out of the hanging hole, thereby further improving the disassembly and assembly speed of the control box and the testing box. Correspondingly, the efficiency of testing the medium flow rate of the target medium pump is further improved.

[0012] Optionally, the pin shaft includes a connecting section and a limiting section; the connecting section is connected to one of the testing box and the control box; the diameter of the limiting section is larger than that of the connecting section; the hanging hole includes a wide part and a narrow part; the narrow part is located above the wide part; the diameter of the wide part is larger than that of the limiting section, and the diameter of the narrow part is smaller than that of the limiting section; in the state where the testing box and the control box are hung, the limiting section is located in the hanging hole, and the side wall of the connecting section abuts against the hole wall of the narrow part.

[0013] In the above-mentioned medium flow rate testing device, since the diameter of the narrow part is smaller than that of the limiting section and the diameter of the hip part is larger than that of the limiting section, when it is necessary to assemble the testing box and the control box together, the limiting section of the pin shaft can be first inserted into the hip part of the hanging hole. As the insertion depth increases, the connecting section also gradually enters the hanging hole. When the limiting section is completely located in the hanging hole, the limiting hole can be moved downward so that the side wall of the connecting section abuts against the hole wall of the narrow part. In this state, since the diameter of the limiting section is larger than that of the narrow part, if the pin shaft is to be pulled out of the connecting hole, the end face of the limiting section facing the connecting section will abut against the hole end face of the narrow part, thereby restricting the pulling out of the pin shaft. When it is necessary to disassemble the testing box and the control box, the operation method opposite to the process described above can be adopted. Therefore, through the combination of the limiting section and the narrow part of the hanging hole with a smaller diameter, the separation of the testing box and the control box is restricted. That is, the stability of the assembly of the testing box and the control box is improved.

[0014] Optionally, the testing box has a top and a bottom; the connecting hole is provided on the top; universal wheels are provided on the bottom.

[0015] In the above-mentioned medium flow rate testing device, by providing casters on the testing box, the movement of the medium flow rate testing device becomes more convenient.

[0016] Optionally, a handle is further provided on the testing box.

[0017] In the above-mentioned medium flow rate testing device, by providing a handle on the testing box, it facilitates the user to carry and transfer the medium flow rate testing device.

[0018] Optionally, the handle is provided on the side of the testing box between the top and the bottom.

[0019] In the above-mentioned medium flow rate testing device, by arranging the handle on the side, it avoids the interference of the connection hole on the top or the target medium pump connected to the connection hole to the user when the medium flow rate testing device needs to be carried or transferred through the handle. Thus, the usability of the medium flow rate testing device is further improved.

[0020] Optionally, the testing box is provided with a first pipeline for the medium to flow through; the control box is provided with a second pipeline for the medium to flow through; one end of the first pipeline close to the second pipeline has a first flange; one end of the second pipeline close to the first pipeline has a second flange; when the first pipeline is communicated with the second pipeline, the first flange and the second flange are sleeved by a socket ring; a groove is provided on the inner wall of the inner ring of the socket ring, and the width of the groove matches the sum of the thicknesses of the first flange and the second flange; the socket ring includes a first semi-circular ring and a second semi-circular ring; one end of the first semi-circular ring is rotatably connected to one end of the second semi-circular ring; wherein, the rotation axis is perpendicular to the plane where the socket ring is located; the other end of the first semi-circular ring is detachably connected to the other end of the second semi-circular ring.

[0021] In the above-mentioned medium flow rate testing device, through the combination of the first flange, the second flange and the socket ring with a groove and capable of opening and closing, on the basis of realizing the detachable connection between the first pipeline and the second pipeline, by restricting the combined first flange and second flange by the socket ring, the sealing performance and stability of the connection between the first pipeline and the second pipeline are also improved.

[0022] Optionally, the socket ring includes a pin; one end of the pin is rotatably connected to the other end of the first semi-circular ring; wherein, the rotation axis of the pin is perpendicular to the plane where the socket ring is located; the other end of the pin has a limiting portion; a slot for accommodating the middle part of the pin is provided at the other end of the second semi-circular ring; when the middle part of the pin is accommodated in the slot, the limiting portion abuts against the end face of the slot of the second semi-circular ring facing away from the other end of the first semi-circular ring.

[0023] The above-mentioned medium flow rate testing device sets a rotatable pin at the other end of the first semi-circular ring, and correspondingly sets a slot adapted to the pin at the other end of the second semi-circular ring. The cooperation between the pin and the slot restricts the separation of the other end of the first semi-circular ring from the other end of the second semi-circular ring, thereby further improving the stability of the connection ring sleeved on the first flange and the second flange, and ultimately further improving the sealing performance and stability of the connection between the first pipeline and the second pipeline.

[0024] Optionally, the target medium pump includes a vacuum pump.

[0025] The above-mentioned medium flow rate testing device is used to test the pumping speed of the vacuum pump. When testing the pumping speed of different types of vacuum pumps, different test boxes can be replaced to adapt to different types of vacuum pumps. Thus, the application range of the medium flow rate testing device in testing the pumping speed of the vacuum pump is expanded.

[0026] Optionally, the control box is also communicatively connected to the target medium pump to collect and save the test data and operation data of the target medium pump in real time.

[0027] The above-mentioned medium flow rate testing device, through the communication connection between the control box and the target medium pump, enables these test data and operation data to be copied to a computer for storage later, which is convenient for later tracking and tracing.

[0028] In summary, the medium flow rate testing device provided by the present application expands the application range of the medium flow rate testing device through the detachable connection between the test box and the control box. The detachable connection between the test box and the control box is realized through the combination of the hanging part and the hanging hole. Compared with other detachable methods such as screwing, the disassembly and assembly between the control box and the test box are more convenient. Thus, the efficiency of testing the medium flow rate of the target medium pump is improved. Through the combination of the limiting section and the narrow part of the hanging hole with a smaller diameter, the separation of the test box and the control box is restricted. That is to say, the stability of the test box and the control box assembled together is improved. Through the combination of the first flange, the second flange and the sleeved ring with a groove that can be opened and closed, on the basis of realizing the detachable connection between the first pipeline and the second pipeline, the sleeved ring restricts the combined first flange and second flange, and also improves the sealing performance and stability of the connection between the first pipeline and the second pipeline. The cooperation between the pin and the slot restricts the separation of the other end of the first semi-circular ring from the other end of the second semi-circular ring, thereby further improving the stability of the connection ring sleeved on the first flange and the second flange, and ultimately further improving the sealing performance and stability of the connection between the first pipeline and the second pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] To more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0030] Figure 1 Stereogram of the medium flow rate testing device provided by the embodiment of the present application;

[0031] Figure 2 The first exploded view of the medium flow rate testing device provided by the embodiment of the present application;

[0032] Figure 3 The second exploded view of the medium flow rate testing device provided by the embodiment of the present application;

[0033] Figure 4 For Figure 2 Partial enlarged view at position A in

[0034] Figure 5 For Figure 3 Partial enlarged view at position A in

[0035] Figure 6 Stereogram of the socket ring in the medium flow rate testing device provided by the embodiment of the present application.

[0036] Icon: 100, medium flow rate testing device; 110, test box; 111, connection hole; 112, hanging part; 1121, connection section; 1122, limiting section; 113, universal wheel; 114, handle; 115, first pipeline; 1151, first flange; 120, control box; 121, hanging hole; 1211, wide part; 1212, narrow part; 122, second pipeline; 1221, second flange; 130, socket ring; 131, groove; 132, first semi-circular ring; 133, second semi-circular ring; 1331, card slot; 134, pin; 1341, limiting part. Detailed implementation manners

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and shown in the accompanying drawings here can be arranged and designed in various different configurations.

[0038] Accordingly, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts shall fall within the scope of protection of the present application.

[0039] It should be noted that like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not require further definition and explanation in subsequent drawings.

[0040] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is customarily placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and should not be construed as indicating or implying relative importance.

[0041] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but may be slightly inclined.

[0042] In the description of the present application, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected", "connected to" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0043] Please refer to Figure 1 , Figure 1It is a perspective view of the medium flow rate testing device 100 provided by an embodiment of the present application. The medium flow rate testing device 100 provided by an embodiment of the present application may include a testing box 110 and a control box 120. A connection hole 111 for the medium to flow through may be provided on the testing box 110. The connection hole 111 may be used to communicate with the pump port of the target medium pump when the testing box 110 is connected to the target medium pump. The control box 120 may be used to control the testing box 110 to test the flow rate of the medium transported by the target medium pump. The testing box 110 may be detachably connected to the control box 120.

[0044] There may be a cavity inside the testing box 110, and the cavity may communicate with the outside through a cavity flange provided on the housing of the testing box 110. The cavity flange may be provided at the top of the testing box 110. During the testing process, the cavity flange may be used to connect to the target medium pump. Among them, the target medium pump may be a water pump, an air pump, a vacuum pump, etc.

[0045] A control touch screen, an audible and visual buzzer, an air intake filtering device, a solenoid valve, a flow controller, etc. may be provided on the control box 120.

[0046] The detachable connection between the control box 120 and the testing box 110 may be snap connection, screw connection, hanging connection, etc.

[0047] In the above implementation process, through the detachable connection between the testing box 110 and the control box 120, when testing the flow rate of different types of target medium pumps, different testing boxes 110 can be replaced to adapt to different types of target medium pumps. Thus, the usage range of the medium flow rate testing device 100 is expanded.

[0048] Please refer to Figure 2 and Figure 3 , Figure 2 is the first exploded view of the medium flow rate testing device 100 provided by an embodiment of the present application; Figure 3 is the second exploded view of the medium flow rate testing device 100 provided by an embodiment of the present application. In some alternative embodiments, one of the testing box 110 and the control box 120 may be provided with a hanging portion 112. The other of the testing box 110 and the control box 120 may be provided with a hanging hole 121 that matches the hanging portion 112.

[0049] That is to say, the testing box 110 may be provided with a hanging portion 112, and the control box 120 may be correspondingly provided with a hanging hole 121; or, the control box 120 may be provided with a hanging portion 112, and the testing box 110 may be correspondingly provided with a hanging hole 121. Among them, the hanging portion 112 may be a hook or a pin shaft that is adapted to the hanging hole 121.

[0050] In the above implementation process, the detachable connection between the test box 110 and the control box 120 is realized through the combination of the hanging part 112 and the hanging hole 121. Compared with other detachable methods such as screwing, the disassembly and assembly between the control box 120 and the test box 110 are more convenient. Correspondingly, the disassembly and assembly speed of the control box 120 and the test box 110 is improved, thereby improving the efficiency of testing the medium flow rate of the target medium pump.

[0051] Please continue to refer to Figure 2 and Figure 3 , in some alternative embodiments, the hanging part 112 may include a pin shaft provided on one of the test box 110 and the control box 120. The pin shaft can be inserted into the hanging hole 121 to realize the hanging connection between the test box 110 and the control box 120.

[0052] Similarly, the pin shaft can be provided at the assembly position of the test box 110 and the control box 120, and the hanging hole 121 can be provided at the assembly position of the control box 120 and the test box 110; or, the pin shaft can be provided at the assembly position of the upper control box 120 and the test box 110, and the hanging hole 121 can be provided at the assembly position of the test box 110 and the control box 120.

[0053] The pin shaft can be perpendicular to the plane of one surface of the test box 110 or the control box 120 where it is provided. It can also form an acute angle with the plane with the opening downward. The hanging hole 121 can be adaptively provided according to the setting method of the pin shaft.

[0054] In the above implementation process, the detachable connection between the test box 110 and the control box 120 is realized through the combination of the pin shaft and the hanging hole 121. During disassembly and assembly, it only needs to insert the pin shaft into the hanging hole 121 or pull out the pin shaft from the hanging hole 121, thereby further improving the disassembly and assembly speed of the control box 120 and the test box 110. Correspondingly, the efficiency of testing the medium flow rate of the target medium pump is further improved.

[0055] Please refer to Figure 4 and Figure 5 , Figure 4 is Figure 2 The partial enlarged view of part A in Figure 5 is Figure 3The partial enlarged view at position A in the figure. In some alternative embodiments, the pin shaft may include a connecting section 1121 and a limiting section 1122. The connecting section 1121 may be connected to one of the test box 110 and the control box 120. The diameter of the limiting section 1122 may be greater than the diameter of the connecting section 1121. The hanging hole 121 may include a wide portion 1211 and a narrow portion 1212. The narrow portion 1212 may be located above the wide portion 1211. The diameter of the wide portion 1211 may be greater than the diameter of the limiting section 1122, and the diameter of the narrow portion 1212 may be less than the diameter of the limiting section 1122. In the state where the test box 110 and the control box 120 are hung, the limiting section 1122 may be located in the hanging hole 121, and the side wall of the connecting section 1121 may abut against the hole wall of the narrow portion 1212.

[0056] That is to say, the pin shaft may be a structure similar to a screw, etc., with a nut having a larger diameter. This nut may serve as the limiting section 1122. The hanging hole 121 may be a calabash-shaped hole.

[0057] In the above implementation process, since the diameter of the narrow portion 1212 is less than the diameter of the limiting section 1122 and the diameter of the wide portion is greater than the diameter of the limiting section 1122, when it is necessary to assemble the test box 110 and the control box 120 together, the limiting section 1122 of the pin shaft can be inserted from the wide portion of the hanging hole 121 first. As the insertion depth increases, the connecting section 1121 also gradually enters the hanging hole 121. When the limiting section 1122 is completely located in the hanging hole 121, the limiting hole can be moved downward so that the side wall of the connecting section 1121 abuts against the hole wall of the narrow portion 1212. In this state, since the diameter of the limiting section 1122 is greater than the diameter of the narrow portion 1212, if it is necessary to pull out the pin shaft from the connecting hole 111, the end face of the limiting section 1122 facing the connecting section 1121 will abut against the hole end face of the narrow portion 1212, thereby restricting the pulling out of the pin shaft. When it is necessary to disassemble the test box 110 and the control box 120, the operation method opposite to the process described above can be adopted. Therefore, through the combination of the limiting section 1122 and the narrow portion 1212 of the hanging hole 121 with a smaller diameter, the separation of the test box 110 and the control box 120 is restricted. That is, the stability of the assembly of the test box and the control box 120 is improved.

[0058] Please continue to refer to Figure 1 , in some alternative embodiments, the test box 110 may have a top and a bottom. The connecting hole 111 may be provided at the top. The bottom may be provided with universal wheels 113.

[0059] The number of the universal wheels 113 may be four, six or other numbers.

[0060] In the above implementation process, by setting universal wheels 113 on the test box 110, the movement of the medium flow rate testing device 100 becomes more convenient.

[0061] Please continue to refer to Figure 1 , in some alternative embodiments, a handle 114 may also be provided on the test box 110.

[0062] The number of handles 114 may be two, four, or other numbers.

[0063] In the above implementation process, by setting a handle 114 on the test box 110, it facilitates the user to carry and transfer the medium flow rate testing device 100.

[0064] Please continue to refer to Figure 1 , in some alternative embodiments, the handle 114 may be provided on the side of the test box 110 between the upper and lower parts.

[0065] In the above implementation process, by setting the handle 114 on the side, it avoids the obstruction of the connection hole 111 on the top or the target medium pump connected to the connection hole 111 to the user when the medium flow rate testing device 100 needs to be carried or transferred through the handle 114. Thus, the usability of the medium flow rate testing device 100 is further improved.

[0066] Please continue to refer to Figure 4 , in some alternative embodiments, the test box 110 may be provided with a first pipeline 115 for the medium to flow through. The control box 120 may be provided with a second pipeline 122 for the medium to flow through. One end of the first pipeline 115 close to the second pipeline 122 may have a first flange 1151. One end of the second pipeline 122 close to the first pipeline 115 may have a second flange 1221. When the first pipeline 115 is in communication with the second pipeline 122, the first flange 1151 and the second flange 1221 may be sleeved by a socket ring 130. A groove 131 may be provided on the inner wall of the inner ring of the socket ring 130, and the width of the groove 131 may match the sum of the thicknesses of the first flange 1151 and the second flange 1221. The socket ring 130 may include a first semi-circular ring 132 and a second semi-circular ring 133. One end of the first semi-circular ring 132 may be rotatably connected to one end of the second semi-circular ring 133. Among them, the rotation axis may be perpendicular to the plane where the socket ring 130 is located. The other end of the first semi-circular ring 132 may be detachably connected to the other end of the second semi-circular ring 133.

[0067] That is to say, during the disassembly and assembly of the control box 120 and the test box 110, the first pipeline 115 inside the test box 110 and the second pipeline 122 inside the control box 120 also need to be disassembled and assembled. Therefore, the connection between the first pipeline 115 and the second pipeline 122 is also a detachable connection. The specific way of the detachable connection is that when the first flange 1151 and the second flange 1221 are in contact, the socket ring 130 is opened by the rotational connection at one end of the first semi-circular ring 132 and the detachable connection at the other end. Subsequently, after the first flange 1151 and the second flange 1221 are sleeved, the other end of the first semi-circular ring 132 and the other end of the second semi-circular ring 133 are assembled together through the detachable connection therebetween, realizing the restriction of the first flange 1151 and the second flange 1221.

[0068] In the above implementation process, through the combination of the first flange 1151, the second flange 1221, and the socket ring 130 with a groove 131 that can be opened and closed, on the basis of realizing the detachable connection between the first pipeline 115 and the second pipeline 122, the socket ring 130 restricts the combined first flange 1151 and second flange 1221, and also improves the sealing performance and stability of the connection between the first pipeline 115 and the second pipeline 122.

[0069] Please refer to Figure 6 , Figure 6 is a perspective view of the socket ring 130 in the medium flow rate testing device 100 provided by the embodiment of the present application. In some alternative embodiments, the socket ring 130 may include a pin 134. One end of the pin 134 can be rotatably connected to the other end of the first semi-circular ring 132. Among them, the rotation axis of the pin 134 can be perpendicular to the plane where the socket ring 130 is located. The other end of the pin 134 can have a limiting portion 1341. A slot 1331 for accommodating the middle part of the pin 134 can be provided at the other end of the second semi-circular ring 133. When the middle part of the pin 134 is accommodated in the slot 1331, the limiting portion 1341 can abut against the end face of the slot 1331 of the slot 1331 facing away from the other end of the first semi-circular ring 132.

[0070] When the socket ring 130 is sleeved on the first flange 1151 and the second flange 1221, and the other end of the first semi-circular ring 132 is combined with the other end of the second semi-circular ring 133, the pin 134 is rotated so that the pin 134 is accommodated in the slot 1331, and the limiting portion 1341 on the pin 134 abuts against the end face of the slot 1331. Thus, it plays a role in restricting the separation of the other end of the first semi-circular ring 132 and the other end of the second semi-circular ring 133. When it is necessary to disassemble the socket ring 130 from the first flange 1151 and the second flange 1221, the operation opposite to the previous description can be adopted.

[0071] In the above implementation process, a rotatable latch 134 is provided at the other end of the first semi-circular ring 132, and a slot 1331 adapted to the latch 134 is provided at the other end of the second semi-circular ring 133. The cooperation between the latch 134 and the slot 1331 restricts the separation between the other end of the first semi-circular ring 132 and the other end of the second semi-circular ring 133, thereby further improving the stability of the connection ring sleeved on the first flange 1151 and the second flange 1221, and ultimately further improving the sealing performance and stability of the connection between the first pipeline 115 and the second pipeline 122.

[0072] In some alternative embodiments, the target medium pump may include a vacuum pump.

[0073] That is to say, the medium flow rate testing device 100 provided in the previous embodiments of the present application can be used to test the pumping speed of the vacuum pump.

[0074] In some alternative embodiments, the control box 120 can also be communicatively connected to the target medium pump to collect and save the test data and operation data of the target medium pump in real time. These test data and operation data can be copied to a computer for storage later, which facilitates subsequent tracking and tracing.

[0075] In the above implementation process, by using the medium flow rate testing device 100 to test the pumping speed of the vacuum pump, different test boxes 110 can be replaced to adapt to different types of vacuum pumps when testing the pumping speed of different types of vacuum pumps. Thus, the application range of the medium flow rate testing device 100 in testing the pumping speed of the vacuum pump is expanded.

[0076] In summary, for the medium flow rate testing device 100 provided in each embodiment of the present application, the detachable connection between the test box 110 and the control box 120 expands the usage range of the medium flow rate testing device 100. The detachable connection between the test box 110 and the control box 120 is achieved through the combination of the hanging portion 112 and the hanging hole 121. Compared with other detachable methods such as screwing, the disassembly and assembly between the control box 120 and the test box 110 are made more convenient. Thereby, the efficiency of testing the medium flow rate of the target medium pump is improved. Through the combination of the limiting section 1122 and the narrow portion 1212 of the hanging hole 121 with a smaller diameter, the separation between the test box 110 and the control box 120 is restricted. That is to say, the stability of the test box and the control box 120 assembled together is improved. Through the combination among the first flange 1151, the second flange 1221, and the sleeve ring 130 with a groove 131 that can be opened and closed, on the basis of achieving the detachable connection between the first pipe 115 and the second pipe 122, the sleeve ring 130 restricts the first flange 1151 and the second flange 1221 combined together, and also improves the sealing performance and stability of the connection between the first pipe 115 and the second pipe 122. Through the cooperation of the pin 134 and the card slot 1331, the separation between the other end of the first semi-circular ring 132 and the other end of the second semi-circular ring 133 is restricted, thereby further improving the stability of the connecting ring sleeved on the first flange 1151 and the second flange 1221, and ultimately further improving the sealing performance and stability of the connection between the first pipe 115 and the second pipe 122.

[0077] The foregoing are only the preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A medium flow rate testing device, characterized in that, It includes a test box and a control box; The test box is provided with a connection hole for the medium to flow through; the connection hole is used to communicate with the pump port of the target medium pump when the test box is connected to the target medium pump; The control box is used to control the test box to test the flow rate of the medium transported by the target medium pump; The test box and the control box are detachably connected.

2. The medium flow rate testing device according to claim 1, wherein One of the test box and the control box is provided with a hanging part; The other of the test box and the control box is provided with a hanging hole matching the hanging part.

3. The medium flow rate testing device according to claim 2, characterized in that, The hanging part includes a pin shaft arranged on one of the test box and the control box; The pin shaft is inserted into the hanging hole to realize the hanging connection between the test box and the control box.

4. The medium flow rate testing device according to claim 3, characterized in that, The pin shaft includes a connecting section and a limiting section; The connecting section is connected to one of the test box and the control box; The diameter of the limiting section is larger than that of the connecting section; The hanging hole includes a wide part and a narrow part; The narrow part is located above the wide part; The diameter of the wide part is larger than that of the limiting section, and the diameter of the narrow part is smaller than that of the limiting section; When the test box and the control box are in a hanging state, the limiting section is located in the hanging hole, and the side wall of the connecting section abuts against the hole wall of the narrow part.

5. The medium flow rate testing device according to claim 1, characterized in that, The test box has a top and a bottom; The connection hole is arranged on the top; The bottom is provided with universal wheels.

6. The medium flow rate testing device according to claim 5, wherein, A handle is also arranged on the test box.

7. The medium flow rate testing device according to claim 6, wherein The handle is arranged on the side part between the top and the bottom of the test box.

8. The medium flow rate testing device according to claim 1, characterized in that, The test box is provided with a first pipeline for the medium to flow through; The control box is provided with a second pipeline for the medium to flow through; One end of the first pipeline close to the second pipeline has a first flange; One end of the second pipeline close to the first pipeline has a second flange; When the first pipeline and the second pipeline are communicated, the first flange and the second flange are sleeved by a sleeve ring; The inner ring wall of the sleeve ring is provided with a groove, and the width of the groove matches the sum of the thicknesses of the first flange and the second flange; the sleeve ring includes a first semi-circular ring and a second semi-circular ring; One end of the first semi-circular ring is rotatably connected to one end of the second semi-circular ring; wherein, the rotation axis is perpendicular to the plane where the sleeve ring is located; The other end of the first semi-circular ring is detachably connected to the other end of the second semi-circular ring.

9. The medium flow rate testing device according to claim 8, characterized in that, The sleeve ring includes a retaining pin; One end of the retaining pin is rotatably connected to the other end of the first semi-circular ring; wherein, the rotation axis of the retaining pin is perpendicular to the plane where the sleeve ring is located; The other end of the retaining pin has a limiting part; A groove for accommodating the middle part of the retaining pin is arranged at the other end of the second semi-circular ring; When the middle part of the retaining pin is accommodated in the groove, the limiting part abuts against the groove end face of the groove away from the other end of the first semi-circular ring.

10. The medium flow rate testing device according to any one of claims 1 to 9, characterized in that, The control box is also communicatively connected to the target medium pump to collect and save the test data and operation data of the target medium pump in real time; Among them, the target medium pump includes a vacuum pump.

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