Heating and ventilation pipeline sealing performance detection device

Abstract

The invention provides a heating and ventilation pipeline sealing performance detection device, which comprises a movable base, a directional movable brake wheel, a universal movable brake wheel, a fixed frame, a water supply pump, a water suction pipe, an air pump, a separable guide water storage tank structure, a water supply filtering shunt pipe structure, a water supply pressure detection increasing pipe structure and a pressure relief and pressure measurement air supply pipe structure, directional moving brake wheels are fixed to the front face and the rear face of the left side of the bottom end of the moving base through bolts correspondingly. Universal movable brake wheels are fixed to the front face and the rear face of the right side of the bottom end of the movable base through bolts correspondingly. Through the arrangement of the filter box, the sealing cover, the filter frame, the first connecting pipe, the flow dividing pipe, the filling pipe and the second one-way valve, water used for detection can be filtered through the cooperation of the filter box and the filter frame in the sealing performance detection process, and impurities in the water are prevented from affecting the detection effect.

Description

Technical Field

[0001] The invention belongs to the technical field of HVAC pipeline sealing detection equipment, and in particular relates to a HVAC pipeline sealing detection device. Background Art

[0002] HVAC equipment has been widely used in buildings in recent years. It can provide heating, ventilation, air conditioning and other functions, making the indoor air more comfortable and suitable for living. Before installing HVAC equipment, it is necessary to conduct water and air leakage detection on the produced HVAC pipes. The existing HVAC pipe sealing detection device has problems such as impurities in the liquid that easily affect the detection effect during the sealing detection process, inconvenient auxiliary pressurization during the detection process, and lack of detection water during the detection process that easily affects the detection effect. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a HVAC pipe sealing detection device, which sets a filtering mechanism during the detection process to prevent impurities in the water from affecting the detection effect, and sets a detection boosting mechanism during the detection process to facilitate the detection boosting work, and improves the water storage mechanism during the detection process to prevent the detection effect from being affected by water shortage.

[0004] The HVAC pipe sealing detection device comprises a mobile base, wherein the front left side of the bottom end and the rear left side of the bottom end of the mobile base are respectively bolted with directional movable brake wheels; the front right side of the bottom end and the rear right side of the bottom end of the mobile base are respectively bolted with universal movable brake wheels; the upper left side of the mobile base is bolted with a fixing frame; the middle position of the upper left side of the fixing frame is bolted with a water supply pump; the bottom water inlet of the water supply pump is threadedly connected with a water suction pipe; the upper right side of the fixing frame is bolted with an air pump, characterized in that A detachable water guiding and storage tank structure is arranged on the left side of the upper end of the movable base; a water supply filtering and diverter pipe structure is fixed on the top inner side of the fixed frame; a water supply pressure detection and increasing pipe structure is penetrated through the lower right side of the fixed frame; a pressure relief and pressure measuring air supply pipe structure is arranged inside the right side of the upper end of the fixed frame; the detachable water guiding and storage tank structure comprises a water tank, an auxiliary tank is fixed by bolts on the left side of the water tank; a guiding pipe is penetrated through the connection between the water tank and the auxiliary tank; a first non-return valve is fixed by bolts at the middle position inside the guiding pipe.

[0005] Preferably, the water supply filter diverter pipe structure includes a filter box, a sealing cover is bolted to the left side of the filter box; a filter frame is bolted to the middle position of the lower right side of the sealing cover; a first connecting pipe is threadedly connected to the middle position of the upper and lower ends of the filter box; the upper end of the first connecting pipe arranged at the upper end is threadedly connected to the left side of the bottom end of the diverter pipe; a filling pipe is threadedly connected to the middle position and the right side of the bottom end of the diverter pipe; a second one-way valve is bolted to the upper part of the inner wall of the filling pipe.

[0006] Preferably, the water-deliverable pressure detection boosting pipe structure includes a delivery pipe, a second connecting pipe is integrally provided at the middle position of the right end of the delivery pipe; a first pressure gauge is connected to the right pipe at the upper end of the delivery pipe; and a boosting pipe is threadedly connected to the middle position of the upper end of the second connecting pipe.

[0007] Preferably, the pressure-relieving and pressure-measuring air supply pipe structure includes an air supply pipe, a second pressure gauge is connected to the right pipe on the upper end of the air supply pipe; a pressure relief pipe is threadedly connected to the upper right part of the air supply pipe; and a manual valve is threadedly inserted into the right end of the pressure relief pipe.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] 1. In the present invention, the arrangement of the filter box, the sealing cover, the filter frame, the first connecting pipe, the shunt pipe, the filling pipe and the second one-way valve is conducive to filtering the water used for the test through the cooperation of the filter box and the filter frame during the sealing test, so as to prevent impurities in the water from affecting the test effect.

[0010] 2. In the present invention, the fixing frame, water supply pump, water suction pipe, auxiliary box, delivery pipe, second connecting pipe, first pressure gauge and boosting pipe are arranged in coordination with each other, which is conducive to the power generated by the water supply pump when it is working to transport the water in the auxiliary box to the interior of the HVAC pipe through the boosting pipe and the second connecting pipe during the detection process, thereby facilitating the purpose of boosting detection during the detection process.

[0011] 3. In the present invention, the delivery pipe, the second connecting pipe, the water storage tank, the auxiliary tank, the guide pipe and the first one-way valve are arranged in coordination with each other, which is conducive to connecting the water storage tank and the auxiliary tank through the guide pipe during the detection process, and then controlling the start and stop of the air pump during the detection process to facilitate the delivery of water in the auxiliary tank to the interior of the water storage tank, thereby improving the efficiency of the detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention.

[0013] Figure 2It is a structural schematic diagram of the detachable water-conducting storage tank structure of the present invention.

[0014] Figure 3 It is a structural schematic diagram of the water supply filtering diverter pipe structure of the present invention.

[0015] Figure 4 It is a structural schematic diagram of the water delivery pressure detection and increasing pipe structure of the present invention.

[0016] Figure 5 It is a structural schematic diagram of the pressure-relieving and pressure-measuring gas supply pipe structure of the present invention.

[0017] In the figure:

[0018] 1. Mobile base; 2. Directional mobile brake wheel; 3. Universal mobile brake wheel; 4. Fixed frame; 5. Water supply pump; 6. Suction pipe; 7. Air pump; 8. Separable water supply and guide storage tank structure; 81. Water storage tank; 82. Auxiliary tank; 83. Guide pipe; 84. First one-way valve; 9. Water supply filter shunt pipe structure; 91. Filter box; 92. Sealing cover; 93. Filter frame; 94. First connecting pipe; 95. Shunt pipe; 96. Filling pipe; 97. Second one-way valve; 10. Water supply pressure detection and increasing pipe structure; 101. Delivery pipe; 102. Second connecting pipe; 103. First pressure gauge; 104. Booster pipe; 11. Pressure relief and pressure measurement air supply pipe structure; 111. Air supply pipe; 112. Second pressure gauge; 113. Pressure relief pipe; 114. Manual valve. DETAILED DESCRIPTION

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, the HVAC pipeline sealing detection device includes a mobile base 1, a directional mobile brake wheel 2, a universal mobile brake wheel 3, a fixed frame 4, a water supply pump 5, a water suction pipe 6, an air pump 7, a detachable water guide storage tank structure 8, a water supply filtering diverter pipe structure 9 and a water supply pressure detection increasing pipe structure 10 and a pressure relief and pressure measuring air supply pipe structure 11, the front left side of the bottom end and the rear left side of the bottom end of the mobile base 1 are respectively bolted with a directional mobile brake wheel 2; the front right side of the bottom end and the rear right side of the bottom end of the mobile base 1 are respectively bolted with a universal mobile brake wheel 3; the upper left side of the mobile base 1 is bolted with a fixed frame 4; the water supply pump 5 is bolted to the middle position of the upper left side of the fixed frame 4; the water inlet of the water supply pump 5 is threadedly connected with a water suction pipe 6; the upper right side of the fixed frame 4 is bolted with an air pump 7; the upper left side of the mobile base 1 is provided with a detachable water guide storage tank structure 8; the fixed frame 4 is bolted with an air pump 7; the upper left side of the mobile base 1 is provided with a detachable water guide storage tank structure 8; A water supply filtering shunt pipe structure 9 is fixed to the internal top end of the fixed frame 4; a water supply pressure detection and increasing pipe structure 10 is penetrated through the lower right side of the fixed frame 4; a pressure relief and pressure measuring air supply pipe structure 11 is arranged inside the upper right side of the fixed frame 4; the detachable guiding water storage tank structure 8 comprises a water storage tank 81, an auxiliary tank 82, a guiding pipe 83 and a first one-way valve 84, and the auxiliary tank 82 is fixed to the left side of the water storage tank 81 with bolts; a guiding pipe 83 is penetrated through the connection between the water storage tank 81 and the auxiliary tank 82; a first one-way valve 84 is fixed to the middle position of the guiding pipe 83 with bolts; when in use, the mobile base 1 is pushed to move, and after pushing the mobile base 1 to a suitable position, an external wire is used to connect the external power supply and the external control device, and an external pipeline is used to connect the device, and at the same time, water is injected into the water storage tank 81 and the auxiliary tank 82, and an appropriate amount of water is added to facilitate detection.

[0020] In this embodiment, combined with the Figure 3As shown, the water supply filter shunt pipe structure 9 includes a filter box 91, a sealing cover 92, a filter frame 93, a first connecting pipe 94, a shunt pipe 95, a filling pipe 96 and a second one-way valve 97. The sealing cover 92 is bolted to the left side of the filter box 91; the filter frame 93 is bolted to the middle position of the lower right side of the sealing cover 92; the first connecting pipe 94 is threadedly connected to the middle position of the upper and lower ends of the filter box 91; the upper end of the first connecting pipe 94 is threadedly connected to the bottom of the shunt pipe 95. The left side of the end; the middle position of the bottom end and the right side of the bottom end of the shunt pipe 95 are respectively threadedly connected with a filling pipe 96; the upper part of the inner wall of the filling pipe 96 is respectively bolted with a second one-way valve 97; and in the process of water injection, the external water supply equipment is connected through the first connecting pipe 94 arranged at the bottom, and then in the process of water injection, the water is filtered after the filter box 91 and the filter frame 93 cooperate to prevent impurities in the water from affecting the detection effect, and in the process of water injection, the shunt pipe 95 and the filling pipe 96 cooperate to perform diversion.

[0021] In this embodiment, combined with the Figure 4 As shown, the water delivery pressure detection increasing pipe structure 10 includes a delivery pipe 101, a second connecting pipe 102, a first pressure gauge 103 and a boosting pipe 104, and the second connecting pipe 102 is integrally arranged at the middle position of the right end of the delivery pipe 101; the first pressure gauge 103 is connected to the upper right pipe of the delivery pipe 101; the boosting pipe 104 is threadedly connected to the middle position of the upper end of the second connecting pipe 102; after water injection, it is connected to the HVAC pipeline through the second connecting pipe 102, and then connected to the water tank 81 through the delivery pipe 101, the air pump 7 is controlled to start working, the pressure inside the water tank 81 is increased, and then the water is delivered to the inside of the HVAC pipeline by boosting, so as to realize the detection work, and during the detection process, it is connected to the boosting pipe 104 pipeline through the water supply pump 5, so as to improve the detection efficiency.

[0022] In this embodiment, combined with the Figure 5As shown, the pressure-relief and pressure-measuring air supply pipe structure 11 comprises an air supply pipe 111, a second pressure gauge 112, a pressure relief pipe 113 and a manual valve 114, the second pressure gauge 112 is connected to the upper right pipe of the air supply pipe 111; the pressure relief pipe 113 is threadedly connected to the upper right side of the air supply pipe 111; the manual valve 114 is threadedly inserted into the upper right side of the pressure relief pipe 113; and the first pressure gauge 103 and the second pressure gauge 112 are observed during the detection process to compare the pressures, and the changes of the first pressure gauge 103 are observed during the pressure comparison detection process. If the internal changes of the first pressure gauge 103 are small within the acceptable range within a certain period of time, the test is passed. If the pressure changes displayed by the first pressure gauge 103 during the detection process are large, it means that the sealing is unqualified, thereby completing the sealing test.

[0023] In this embodiment, specifically, the water suction pipe 6 passes through the middle position of the left inner side of the fixed frame 4; the directional movable brake wheel 2 and the universal movable brake wheel 3 are respectively arranged at the four corners of the bottom end of the movable base 1.

[0024] In this embodiment, specifically, the water storage tank 81 and the auxiliary tank 82 are connected via a guide pipe 83 .

[0025] In this embodiment, specifically, the water tank 81 is bolted to the middle position of the upper end of the mobile base 1; the auxiliary tank 82 is bolted to the left side of the upper end of the mobile base 1; the water tank 81 and the auxiliary tank 82 are arranged at the inner bottom end of the fixed frame 4; the bottom end of the water suction pipe 6 is inserted into the inner left side of the auxiliary tank 82.

[0026] In this embodiment, specifically, the diverter pipe 95 and the filling pipe 96 are matched to form an F-shaped arrangement; the inner wall of the filter frame 93 is bolted with a stainless steel mesh and is arranged in the middle position inside the filter box 91.

[0027] In the present embodiment, specifically, the filter box 91 is bolted to the middle position of the upper left side of the fixing frame 4; the diverter pipe 95 passes through the upper left side of the fixing frame 4 and is bolted to the inner top of the fixing frame 4; the filling pipe 96 is respectively inserted into the middle position of the upper end of the water storage tank 81 and the auxiliary box 82; a sealing ring is provided at the connection between the bottom end of the filling pipe 96 arranged on the right and the water storage tank 81.

[0028] In this embodiment, specifically, a one-way valve is bolted to the middle position inside the delivery pipe 101 and the boost pipe 104 .

[0029] In this embodiment, specifically, the delivery pipe 101 passes through the lower right portion of the fixing frame 4 and is then threadedly connected to the bottom right portion of the water tank 81 and connected thereto.

[0030] In this embodiment, specifically, the air supply pipe 111 is arranged in an inverted L shape and cooperates with the pressure relief pipe 113 to form a T shape.

[0031] In this embodiment, specifically, the left end of the air supply pipe 111 is threadedly connected to the middle position of the lower right side of the air pump 7; the air supply pipe 111 passes through the inner right side of the upper end of the fixing frame 4 and the middle position of the upper right end of the water tank 81 respectively; a sealing ring is provided at the connection between the air supply pipe 111 and the water tank 81.

[0032] How it works

[0033] In the present invention, when in use, the mobile base 1 is pushed to move, and after the mobile base 1 is pushed to a suitable position, an external wire is used to connect an external power supply and an external control device, and an external pipe is used to connect the device, and water is injected into the water storage tank 81 and the auxiliary tank 82 at the same time, and an appropriate amount of water is injected to facilitate detection. In the process of water injection, the first connecting pipe 94 set at the bottom is connected to the external water supply equipment, and then in the process of water injection, the filter box 91 and the filter frame 93 are coordinated to filter the water to prevent impurities in the water from affecting the detection effect. In the process of water injection, the diversion work is carried out after the diversion pipe 95 and the filling pipe 96 cooperate. After water injection, it is connected to the HVAC pipe through the second connecting pipe 102. The air pump 7 is controlled to start working, and then connected with the water storage tank 81 through the delivery pipe 101, and then the water is delivered to the inside of the HVAC pipe by pressurization to realize the detection work, and the water supply pump 5 is connected with the boosting pipe 104 during the detection process, and then the detection efficiency is improved, and the first pressure gauge 103 and the second pressure gauge 112 are observed during the detection process to perform pressure comparison work, and the changes of the first pressure gauge 103 are observed during the detection and comparison of pressures. If the first pressure gauge 103 has a small internal change within an acceptable range within a certain period of time, it passes the detection. If the pressure displayed by the first pressure gauge 103 during the detection process changes greatly, it means that the sealing is unqualified, thereby completing the sealing detection work.

[0034] Utilizing the technical solution described in the present invention, or those skilled in the art designing a similar technical solution inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the protection scope of the present invention.

Claims

1. A HVAC pipeline sealing detection device, comprising a mobile base (1), wherein a directional movable brake wheel (2) is bolted to the front left side of the bottom end and the rear left side of the bottom end of the mobile base (1); a universal movable brake wheel (3) is bolted to the front right side of the bottom end and the rear right side of the bottom end of the mobile base (1); a fixing frame (4) is bolted to the left side of the upper end of the mobile base (1); a water supply pump (5) is bolted to the middle position of the upper left end of the fixing frame (4); a water suction pipe (6) is threadedly connected to the water inlet of the water supply pump (5); an air pump (7) is bolted to the right side of the upper end of the fixing frame (4); characterized in that: The movable base (1) in the HVAC pipeline sealing detection device is provided with a detachable water tank structure (8) on the left side of the upper end; a water supply filtering shunt pipe structure (9) is fixed to the top of the interior of the fixed frame (4); a water supply pressure detection increasing pipe structure (10) is penetrated through the lower right side of the fixed frame (4); a pressure relief and pressure measuring air supply pipe structure (11) is provided inside the right side of the upper end of the fixed frame (4); the detachable water tank structure (8) comprises a water tank (81), and an auxiliary tank (82) is fixed to the left side of the water tank (81) by bolts; a guide pipe (83) is penetrated through the connection between the water tank (81) and the auxiliary tank (82); a first non-return valve (84) is fixed to the middle position of the guide pipe (83) by bolts.

2. The HVAC pipeline sealing detection device according to claim 1, characterized in that: The water supply filtering shunt pipe structure (9) comprises a filter box (91), a sealing cover (92) is bolted to the left side of the filter box (91); a filter frame (93) is bolted to the middle position of the lower right side of the sealing cover (92); a first connecting pipe (94) is threadedly connected to the middle position of the upper and lower ends of the filter box (91); the upper end of the first connecting pipe (94) arranged at the upper end is threadedly connected to the left side of the bottom end of the shunt pipe (95); a filling pipe (96) is threadedly connected to the middle position and the right side of the bottom end of the shunt pipe (95); and a second one-way valve (97) is bolted to the upper part of the inner wall of the filling pipe (96).

3. The HVAC pipeline sealing detection device according to claim 1, characterized in that: The water-deliverable pressure detection boosting pipe structure (10) comprises a delivery pipe (101), a second connecting pipe (102) being integrally provided at the middle position of the right end of the delivery pipe (101); a first pressure gauge (103) being connected to the right pipe at the upper end of the delivery pipe (101); and a boosting pipe (104) being threadedly connected to the middle position of the upper end of the second connecting pipe (102).

4. The HVAC pipeline sealing detection device according to claim 1, characterized in that: The pressure-relieving and pressure-measuring air supply pipe structure (11) comprises an air supply pipe (111), the upper right side of the air supply pipe (111) being connected to a second pressure gauge (112); the upper right side of the air supply pipe (111) being threadedly connected to a pressure relief pipe (113); and the upper right side of the pressure relief pipe (113) being threadedly plugged with a manual valve (114).

5. The HVAC pipeline sealing detection device according to claim 1, characterized in that: The water storage tank (81) is bolted to the middle position of the upper end of the mobile base (1); the auxiliary box (82) is bolted to the left side of the upper end of the mobile base (1); the water storage tank (81) and the auxiliary box (82) are arranged at the bottom end of the interior of the fixed frame (4); the bottom end of the water suction pipe (6) is plugged into the left side of the interior of the auxiliary box (82).

6. The HVAC pipeline sealing detection device according to claim 2, characterized in that: The filter box (91) is bolted to the middle position of the upper left side of the fixing frame (4); the diverter pipe (95) passes through the upper left side of the fixing frame (4) and is bolted to the top inner portion of the fixing frame (4); the filling pipe (96) is respectively inserted into the middle position of the upper inner portion of the water storage tank (81) and the auxiliary box (82); and a sealing ring is provided at the connection between the bottom end of the filling pipe (96) arranged on the right side and the water storage tank (81).

7. The HVAC pipeline sealing detection device according to claim 3, characterized in that: The delivery pipe (101) passes through the lower right part of the fixing frame (4) and is then threadedly connected to the bottom right part of the water storage tank (81) and connected thereto.

8. The HVAC pipeline sealing detection device according to claim 4, characterized in that: The left end of the air supply pipe (111) is threadedly connected to the middle position of the lower right side of the air pump (7); the air supply pipe (111) passes through the right inner part of the upper end of the fixing frame (4) and the middle position of the right upper end of the water storage tank (81); a sealing ring is provided at the connection between the air supply pipe (111) and the water storage tank (81).

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