Air leakage testing device for box body of air conditioning unit

Abstract

The utility model relates to the technical field of air leakage testing, in particular to an air conditioner unit box air leakage testing device which comprises a testing machine body, an air outlet pipeline, a lifting assembly and a stabilizing assembly, the stabilizing assembly comprises a fixing bottom ring, a connecting protrusion, a stabilizing pressing plate and a pressing component, the fixing bottom ring is fixedly connected with the testing machine body, and the fixing bottom ring is provided with a matching groove. The matching groove is located on the side, close to the air outlet pipeline, of the fixing bottom ring, the connecting protrusion is fixedly connected with the air outlet pipeline and matched with the matching groove, and the stable pressing plate is connected with the testing machine body through the pressing component, presses the connecting protrusion and is located on the side, close to the connecting protrusion, of the testing machine body. The connecting protrusions are placed in the matching grooves in the fixing bottom ring, and the connecting protrusions are further pressed on the fixing bottom ring through pressing of the stable pressing plate, so that the air outlet pipeline is stably connected to the testing machine body, and normal testing is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of air leakage testing, in particular to an air leakage testing device for a box of an air conditioner unit. Background Art

[0002] Air-conditioning units need to be tested for air leakage before leaving the factory. The current testing methods are mostly to input a certain pressure in accordance with national standards to test the actual air leakage rate of the box. However, during the test process, there are many dead zones inside the box, and the resulting dead angles will cause poor airflow and inaccurate pressure measurement point data.

[0003] Prior art CN211740523U discloses an air leakage test device for an air conditioning unit case, comprising a centrifugal fan, a variable frequency motor, an air duct, a wind speed sensor, an air inlet side blocking plate, an air outlet side blocking plate, a pressure sensor, a transmitter and a microcomputer controller. The variable frequency motor drives the centrifugal fan to supply air to the air conditioning unit case, and the pressure in the case is monitored by the pressure sensor. The wind speed sensor is hard-connected to the microcomputer controller, and the blast air volume can be calculated in real time and displayed on the screen of the microcomputer controller. When the pressure displayed on the screen of the microcomputer controller reaches the value specified in the national standard, the calculated leakage air volume can be read in real time, thereby quickly and conveniently calculating the leakage rate.

[0004] However, the connection between the air duct and the machine of the test device in the prior art is not stable enough and is prone to fall off during the test, thereby making it impossible to perform normal testing. Utility Model Content

[0005] The utility model aims to provide an air leakage test device for an air-conditioning unit box, which solves the technical problem that the connection between the air duct and the machine is not stable enough and is easy to fall off during the test, thereby causing the inability to perform normal testing.

[0006] To achieve the above object, the utility model provides an air leakage test device for an air conditioner unit, comprising a test body, an air outlet duct and a lifting assembly, wherein the air outlet duct is located on one side of the test body.

[0007] Also included are stabilization components;

[0008] The stabilizing assembly includes a fixed bottom ring, a connecting protrusion, a stabilizing pressure plate and a clamping member. The fixed bottom ring is fixedly connected to the test body and is located on one side of the air outlet duct. The fixed bottom ring has a matching groove, and the matching groove is located on a side of the fixed bottom ring close to the air outlet duct. The connecting protrusion is fixedly connected to the air outlet duct and cooperates with the matching groove, and is located on a side of the air outlet duct close to the fixed bottom ring. The stabilizing pressure plate is connected to the test body through the clamping member, and presses the connecting protrusion, and is located on a side of the test body close to the connecting protrusion.

[0009] Among them, the clamping member includes a mounting rod, a sliding rod and a limiting screw, the mounting rod is fixedly connected to the test body and is located on a side of the test body close to the stabilizing pressure plate; the sliding rod is fixedly connected to the stabilizing pressure plate, and is slidably connected to the mounting rod, and is located on a side of the stabilizing pressure plate close to the mounting rod; the limiting screw is slidably connected to the mounting rod, abuts against the sliding rod, and is located on a side of the mounting rod close to the sliding rod.

[0010] Wherein, the pressing member further comprises a pressing spring, wherein the pressing spring is respectively connected to the stabilizing pressing plate and the mounting rod, and the pressing spring is located on a side of the stabilizing pressing plate close to the mounting rod.

[0011] Among them, the lifting assembly includes a lifting handle, a soft inner pad and a steering component; the lifting handle is rotatably connected to the test body through the steering component and is located on a side of the test body close to the air outlet duct; the soft inner pad is fixedly connected to the lifting handle and is located on a side of the soft inner pad close to the test body; the steering component drives the lifting handle to rotate.

[0012] Wherein, the steering component includes a mounting support and a steering shaft, the mounting support is fixedly connected to the test body and is located on a side of the test body close to the lifting handle; the steering shaft is fixedly connected to the lifting handle and is rotatably connected to the mounting support, and is located on a side of the lifting handle close to the mounting support.

[0013] The utility model provides an air leakage test device for an air-conditioning unit box. Through the cooperation of the connecting protrusion and the matching groove, the connecting protrusion is placed in the matching groove in the fixed bottom ring. Further, through the pressing of the stabilizing pressure plate, the connecting protrusion is pressed against the fixed bottom ring, so that the air outlet duct is stably connected to the test body, thereby ensuring normal testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of an air-conditioning unit box air leakage testing device according to the first embodiment of the utility model.

[0016] Figure 2 It is a projection diagram of an air leakage testing device for an air conditioning unit case according to the first embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the overall structure of an air-conditioning unit box air leakage testing device according to the second embodiment of the utility model.

[0018] Figure 4 It is a projection diagram of an air leakage testing device for an air conditioning unit case according to the second embodiment of the utility model.

[0019] In the figure: 101-test body, 102-air outlet duct, 103-fixed bottom ring, 104-matching groove, 105-connecting protrusion, 106-stabilizing pressure plate, 107-mounting rod, 108-sliding rod, 109-limiting screw, 110-compression spring, 201-lifting handle, 202-soft inner pad, 203-mounting support, 204-steering shaft. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] The first embodiment of the present application is:

[0022] See also Figure 1 and Figure 2 ,in Figure 1 This is a schematic diagram of the overall structure of the air-conditioning unit box air leakage test device of the first embodiment of the utility model. Figure 2It is a projection diagram of the air-conditioning unit cabinet air leakage test device of the first embodiment of the utility model. The utility model provides an air-conditioning unit cabinet air leakage test device: including a test body 101, an air outlet duct 102, a lifting assembly and a stabilizing assembly, the stabilizing assembly includes a fixed bottom ring 103, a connecting protrusion 105, a stabilizing pressure plate 106 and a clamping member, the fixed bottom ring 103 has a matching groove 104, and the clamping member includes a mounting rod 107, a sliding rod 108, a limiting screw 109 and a clamping spring 110. The above-mentioned solution solves the problem of unstable connection between the air duct and the machine. It can be understood that the above-mentioned solution can be used in the case where the air duct is not easy to fall off during the test, and can also be used to solve the problem of inconvenient movement of the machine body.

[0023] According to this specific embodiment, the air outlet duct 102 is located on one side of the test body 101. The test body 101 is an air leakage test host, and the air outlet duct 102 is a circular duct, which is arranged on the test body 101 and extends into the unit box to be tested.

[0024] Among them, the fixed bottom ring 103 is fixedly connected to the test body 101 and is located on one side of the air outlet duct 102, the matching groove 104 is located on the side of the fixed bottom ring 103 close to the air outlet duct 102, the connecting protrusion 105 is fixedly connected to the air outlet duct 102 and cooperates with the matching groove 104, and is located on the side of the air outlet duct 102 close to the fixed bottom ring 103, the stabilizing pressure plate 106 is connected to the test body 101 through the clamping member, and presses the connecting protrusion 105, and is located on the side of the test body 101 close to the connecting protrusion 105. The fixed bottom ring 103 is a circular ring, and the fixed bottom ring 103 is fixedly arranged on the outer surface of the test body 101. The matching groove 104 is a circular groove, and the matching groove 104 is arranged on the fixed bottom ring 103. The connecting protrusion 105 is a circular protrusion, and the size of the connecting protrusion 105 is consistent with the size of the matching groove 104, and is fixedly arranged at the end of the air outlet duct 102. The stabilizing pressure plate 106 is a rectangular plate, and the stabilizing pressure plate 106 can be pressed on the surface of the connecting protrusion 105. Through the cooperation of the connecting protrusion 105 and the matching groove 104, the connecting protrusion 105 is placed in the matching groove 104 in the fixed bottom ring 103, and further through the pressing of the stabilizing pressure plate 106, the connecting protrusion 105 is pressed on the fixed bottom ring 103, so that the air outlet duct 102 is stably connected to the test body 101, thereby ensuring normal testing.

[0025] Secondly, the mounting rod 107 is fixedly connected to the test body 101 and is located on a side of the test body 101 close to the stabilizing pressure plate 106; the sliding rod 108 is fixedly connected to the stabilizing pressure plate 106 and is slidably connected to the mounting rod 107 and is located on a side of the stabilizing pressure plate 106 close to the mounting rod 107; the limiting screw 109 is slidably connected to the mounting rod 107 and abuts against the sliding rod 108, and is located on a side of the mounting rod 107 close to the sliding rod 108. The mounting rod 107 is a cylindrical rod with a circular groove, and the mounting rod 107 is fixedly arranged on the surface of the test body 101. The sliding rod 108 is a cylindrical rod, and the diameter of the sliding rod 108 is equal to the diameter of the groove of the mounting rod 107. One end of the sliding rod 108 is fixedly connected to the stable pressure plate 106, and the other end of the sliding rod 108 extends into the circular groove of the mounting rod 107 and is slidably connected to the mounting rod 107 through the outer surface. The limiting screw 109 is a cylindrical rod with an external thread. The positioning screw 109 is screwed into the mounting rod 107, and one side of the mounting rod 107 can extend into the sliding rod 108, thereby achieving abutment against the sliding rod 108. The sliding rod 108 slides on the mounting rod 107 to move the position of the stabilizing pressure plate 106, thereby moving the surface of the connecting protrusion 105. The limiting screw 109 is tightened to lock the sliding rod 108 on the mounting rod 107, so that the stabilizing pressure plate 106 can stably press the connecting protrusion 105.

[0026] At the same time, the compression spring 110 is connected to the stabilizing plate 106 and the mounting rod 107 respectively, and the compression spring 110 is located on the side of the stabilizing plate 106 close to the mounting rod 107. The compression spring 110 is a retractable cylindrical spring, and the two ends of the compression spring 110 are respectively connected to the stabilizing plate 106 and the mounting rod 107 through spring mounting seats. The compression spring 110 is sleeved on the surface of the sliding rod 108. Through the connection effect of the compression spring 110, when the sliding rod 108 slides along the mounting rod 107, the compression spring 110 is synchronously retracted and retracted, thereby supporting the sliding of the sliding rod 108.

[0027] When using an air-conditioning unit box air leakage test device of the present embodiment, the connecting protrusion 105 is placed in the matching groove 104 in the fixed bottom ring 103 through the cooperation of the connecting protrusion 105 and the matching groove 104, and the position of the stabilizing pressure plate 106 is moved by the sliding of the sliding rod 108 on the mounting rod 107, thereby moving the surface of the connecting protrusion 105, tightening the limiting screw 109 to lock the sliding rod 108 on the mounting rod 107, so that the stabilizing pressure plate 106 can stably press the connecting protrusion 105, so that the connecting protrusion 105 is pressed against the fixed bottom ring 103, and then the air outlet duct 102 is stably connected to the test body 101, further ensuring normal testing.

[0028] The second embodiment of the present application is:

[0029] See also Figure 3 and Figure 4 ,in Figure 3 It is a schematic diagram of the overall structure of the air-conditioning unit box air leakage test device of the second embodiment of the utility model. Figure 4 It is a projection diagram of the air-conditioning unit box air leakage test device of the second embodiment of the utility model. On the basis of the first embodiment, the pulling assembly includes a pulling handle 201, a soft inner pad 202 and a steering member, and the steering member includes a mounting support 203 and a steering shaft 204.

[0030] The lifting handle 201 is rotatably connected to the test body 101 through the steering member and is located on a side of the test body 101 close to the air outlet duct 102; the soft inner pad 202 is fixedly connected to the lifting handle 201 and is located on a side of the soft inner pad 202 close to the test body 101; the steering member drives the lifting handle 201 to rotate. The lifting handle 201 is a U-shaped handle, which is rotatably arranged above the test body 101. The soft inner pad 202 is a rectangular pad made of soft material, which is fixedly arranged in the lifting handle 201. The lifting handle 201 can be held by hand to lift the test body 101, so that the movement of the test body 101 is more convenient. The soft inner pad 202 protects the hands from being severely squeezed, so that the staff can move the test body 101 more comfortably.

[0031] Secondly, the mounting support 203 is fixedly connected to the test body 101 and is located on a side of the test body 101 close to the lifting handle 201; the steering shaft 204 is fixedly connected to the lifting handle 201 and is rotatably connected to the mounting support 203 and is located on a side of the lifting handle 201 close to the mounting support 203. The mounting support 203 is a concave seat, and the mounting support 203 is fixedly arranged above the test body 101. The steering shaft 204 is a cylindrical shaft, and the steering shaft 204 is fixedly connected to the lifting handle 201 and is rotatably connected to the mounting support 203 through a bearing, and is transversely arranged in the mounting support 203. The steering shaft 204 rotates in the mounting support 203, driving the lifting handle 201 to rotate, so that the lifting handle 201 can be kept horizontal when it does not need to be moved, thereby avoiding occupying a large space.

[0032] When using an air-conditioning unit cabinet air leakage test device of the present embodiment, the test body 101 can be lifted by holding the lifting handle 201, thereby making the movement of the test body 101 more convenient, and the protective effect of the soft inner pad 202 can prevent the hands from being severely squeezed, thereby making it more comfortable for workers when moving the test body 101, and the steering shaft 204 rotates in the mounting bracket 203 to drive the lifting handle 201 to rotate, so that the lifting handle 201 can be kept horizontal when it does not need to be moved, thereby avoiding occupying a large space.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An air leakage test device for an air conditioner unit, comprising a test body, an air outlet duct and a lifting assembly, wherein the air outlet duct is located on one side of the test body, and is characterized in that: Also included are stabilization components; The stabilizing assembly includes a fixed bottom ring, a connecting protrusion, a stabilizing pressure plate and a clamping member. The fixed bottom ring is fixedly connected to the test body and is located on one side of the air outlet duct. The fixed bottom ring has a matching groove, and the matching groove is located on a side of the fixed bottom ring close to the air outlet duct. The connecting protrusion is fixedly connected to the air outlet duct and cooperates with the matching groove, and is located on a side of the air outlet duct close to the fixed bottom ring. The stabilizing pressure plate is connected to the test body through the clamping member, and presses the connecting protrusion, and is located on a side of the test body close to the connecting protrusion.

2. The air leakage testing device for an air conditioning unit as claimed in claim 1, characterized in that: The clamping member includes a mounting rod, a sliding rod and a limiting screw. The mounting rod is fixedly connected to the test body and is located on a side of the test body close to the stabilizing pressure plate; the sliding rod is fixedly connected to the stabilizing pressure plate and is slidably connected to the mounting rod and is located on a side of the stabilizing pressure plate close to the mounting rod; the limiting screw is slidably connected to the mounting rod and abuts against the sliding rod and is located on a side of the mounting rod close to the sliding rod.

3. The air leakage testing device for an air conditioning unit as claimed in claim 2, characterized in that: The pressing member further comprises a pressing spring, wherein the pressing spring is respectively connected to the stabilizing pressing plate and the mounting rod, and the pressing spring is located at a side of the stabilizing pressing plate close to the mounting rod.

4. The air leakage testing device for an air conditioning unit as claimed in claim 1, characterized in that: The lifting assembly includes a lifting handle, a soft inner pad and a steering member; the lifting handle is rotatably connected to the test body via the steering member and is located on a side of the test body close to the air outlet duct; the soft inner pad is fixedly connected to the lifting handle and is located on a side of the soft inner pad close to the test body; the steering member drives the lifting handle to rotate.

5. The air leakage testing device for an air conditioning unit as claimed in claim 4, characterized in that: The steering component includes a mounting support and a steering shaft. The mounting support is fixedly connected to the test body and is located on a side of the test body close to the lifting handle; the steering shaft is fixedly connected to the lifting handle and is rotatably connected to the mounting support, and is located on a side of the lifting handle close to the mounting support.

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