Air tightness detection device for heat exchanger

Abstract

The utility model discloses a heat exchanger air tightness detection device which comprises a closed box body, the front end of the closed box body is provided with a front sealing door, a heat exchanger is arranged above a bearing plate, the top end of the closed box body is fixedly connected with an air pump, and a barometer is arranged beside an air valve. A second servo motor drives a lead screw to enable a lead screw sleeve to drive a bearing plate to move, so that the heat exchanger is conveniently taken out, and the detection efficiency is improved; the door sealing mechanism adopts worm and gear transmission and an electric telescopic rod to control opening and closing of a front sealing door, stable movement and tight closing of the front sealing door can be achieved, meanwhile, the sealing effect is further enhanced through a sealing rubber strip between the front sealing door and the closed box body, the sealing performance of a detection environment is ensured, and the accuracy of a detection result is improved; the arrangement of the touch tablet computer provides an intuitive operation interface, so that an operator can check and control various parameters in the detection process in real time through the touch tablet computer, such as an air pressure value, a motor running state and the like, and convenience and rapidness are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger detection equipment technical field, specifically, relate to heat exchanger airtightness detection device. BACKGROUND

[0002] Heat exchanger is the equipment that is widely used in industrial production, is used to realize the heat exchange between two different temperature fluids. In the production process of heat exchanger, airtightness detection is the key link to ensure its quality and performance.

[0003] However, the existing heat exchanger airtightness detection device has some deficiencies. For example, the fixing and moving of heat exchanger in the detection process are inconvenient, which affects the detection efficiency; the sealing of the detection environment is difficult to guarantee, which may lead to inaccurate detection results; there is lack of intuitive operation interface, which is not conducive to the control and observation of the operator. Therefore, it is necessary to improve the existing heat exchanger airtightness detection device.

[0004] For the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL

[0005] In view of the problems in the related art, the utility model provides a heat exchanger airtightness detection device to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] The heat exchanger airtightness detection device comprises a sealed box body, a sealing door mechanism is fixedly installed on the side surface of the sealed box body, a front sealing door is arranged at the front end of the sealed box body, a moving mechanism is fixedly installed at the inner bottom end of the sealed box body, a bearing plate is installed between the moving mechanism, a heat exchanger is placed above the bearing plate, an air pump is fixedly connected to the top end of the sealed box body, an air valve is fixedly installed on the inner side of the top end of the sealed box body, and a pressure gauge is arranged beside the air valve.

[0008] As a further scheme of the utility model, the sealing door mechanism comprises a first servo motor, the main shaft tail end of the first servo motor is fixedly connected with a worm, the outer side of the worm is meshingly connected with a worm wheel, the outer side of the worm wheel is fixedly connected with a fixed frame, an electric telescopic rod is fixedly connected to the fixed frame, and the shaft rod of the electric telescopic rod is fixedly connected with the front sealing door.

[0009] As a further scheme of the utility model, the moving mechanism comprises a fixed block, the rear end of the fixed block is fixedly connected with a second servo motor, the main shaft tail end of the second servo motor is fixedly connected with a lead screw, the outer side of the lead screw is spirally connected with a lead screw sleeve, and the lead screw sleeve is fixedly connected with the bearing plate.

[0010] As a further scheme of the utility model, the fixed block is rotatably connected with the screw rod, and the fixed block is slidably connected with the screw rod sleeve.

[0011] As a further scheme of the utility model, the bearing roller frame is composed of a fixed frame and a plurality of rollers.

[0012] As a further scheme of the utility model, the touch panel computer is rotatably installed at the top end of the sealed box body, and the bracket is rotatably installed at the back of the touch panel computer.

[0013] As a further scheme of the utility model, the barometer is fixedly connected with the sealed box body, the pressure sensor on the barometer is located inside the sealed box body, and the electric control box is fixedly installed at the top of the sealed box body.

[0014] As a further scheme of the utility model, the sealing rubber strip is arranged between the front sealing door and the sealed box body, so that the sealing property of the front sealing door when being closed is enhanced.

[0015] As a further scheme of the utility model, the upper surface of the bearing plate is provided with the anti-skid pad, so that the heat exchanger is prevented from sliding on the bearing plate.

[0016] As a further scheme of the utility model, the gas conveying pipeline is connected between the gas pump and the gas valve, and the flow regulating valve is arranged on the gas conveying pipeline, so that the gas flow entering the sealed box body is adjusted.

[0017] As a further scheme of the utility model, the touch panel computer is electrically connected with the electric control box through the data line, so that various parameters in the detection process are displayed and controlled.

[0018] As a further scheme of the utility model, the controller is arranged in the electric control box, the controller is electrically connected with the first servo motor, the second servo motor, the electric telescopic rod, the gas pump, the barometer and the touch panel computer, so that the cooperative work and the automatic control of various components are realized.

[0019] The utility model has the advantages of:

[0020] The utility model discloses a movable mechanism's design utilizes the second servo motor drive screw rod rotation, makes the screw rod sleeve drive the bearing plate to remove, thereby convenient the heat exchanger is placed on the bearing plate or is taken out from the bearing plate, has improved the detection efficiency, the door sealing mechanism adopts worm and worm gear drive and electric telescopic link control front door sealing open and close, can realize the stable movement and the close closure of front door sealing, and the sealing rubber strip between front door sealing and the sealed box further strengthens the sealing effect, ensures the sealing property of detection environment, improves the accuracy of detection result, the setting of touch panel computer provides the visual operation interface, and the operating personnel can through touch panel computer real -time viewing and control detection process each parameter, such as air pressure value, motor operating state etc., convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0022] Figure 1 It is the overall structure schematic diagram of heat exchanger airtight detection device according to the embodiment of the utility model;

[0023] Figure 2 It is the mounting structure schematic diagram of heat exchanger of heat exchanger airtight detection device according to the embodiment of the utility model;

[0024] Figure 3 It is the overall structure schematic diagram of door sealing mechanism of heat exchanger airtight detection device according to the embodiment of the utility model;

[0025] Figure 4 It is the overall structure schematic diagram of movable mechanism of heat exchanger airtight detection device according to the embodiment of the utility model;

[0026] Figure 5 It is the mounting structure schematic diagram of screw rod and screw rod sleeve of heat exchanger airtight detection device according to the embodiment of the utility model.

[0027] In the drawing:

[0028] 1, sealed box body;2, door sealing mechanism;21, first servo motor;22, worm;23, worm wheel;24, fixed frame;25, electric telescopic link;3, front door sealing;4, movable mechanism;41, fixed block;42, second servo motor;43, screw rod;44, screw rod sleeve;5, bearing plate;6, heat exchanger;7, bearing roller frame;8, air pump;9, air valve;10, air pressure gauge;11, touch panel computer;12, electric control box. DETAILED DESCRIPTION

[0029] To further illustrate the embodiments, the utility model provides with the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0030] According to the embodiment of the utility model, a heat exchanger airtight detection device is provided.

[0031] Please refer to the attached drawings of the specification Figures 1-5 According to the heat exchanger airtight detection device of the utility model embodiment, the airtight box body 1 is fixedly installed with the door sealing mechanism 2 on the side, the front end of the airtight box body 1 is equipped with the front door 3, the inside bottom end of the airtight box body 1 is fixedly installed with the moving mechanism 4, the bearing plate 5 is installed between the moving mechanism 4, the heat exchanger 6 is placed above the bearing plate 5, the top end of the airtight box body 1 is fixedly connected with the air pump 8, the top end inside of the airtight box body 1 is fixedly installed with the air valve 9, the air valve 9 is equipped with the air pressure gauge 10 on the side.

[0032] In an embodiment, please refer to the attached drawings of the specification Figures 1-5 As a further scheme of the utility model, the door sealing mechanism 2 includes the first servo motor 21, the main shaft end of the first servo motor 21 is fixedly connected with the worm 22, the outside of the worm 22 is meshedly connected with the worm gear 23, the outside of the worm gear 23 is fixedly connected with the fixed frame 24, the fixed frame 24 is fixedly connected with the electric telescopic rod 25, and the shaft of the electric telescopic rod 25 is fixedly connected with the front door 3.

[0033] In an embodiment, please refer to the attached drawings of the specification Figures 1-5 As a further scheme of the utility model, the moving mechanism 4 includes the fixed block 41, the rear end of the fixed block 41 is fixedly connected with the second servo motor 42, the main shaft end of the second servo motor 42 is fixedly connected with the lead screw 43, the outside of the lead screw 43 is screw-connected with the lead screw sleeve 44, and the lead screw sleeve 44 is fixedly connected with the bearing plate 5.

[0034] In an embodiment, please refer to the attached drawings of the specification Figures 1-5 As a further scheme of the utility model, the lead screw 43 is rotatably connected with the fixed block 41, and the lead screw sleeve 44 is slidably connected with the fixed block 41.

[0035] In an embodiment, please refer to the attached drawings of the specification Figures 1-5As a further scheme of the utility model, the outside of the closed box 1 is clamped and installed with a bearing roller frame 7, and the bearing roller frame 7 is composed of a fixing frame and a plurality of rollers.

[0036] In an embodiment, refer to the attached drawings of the specification Figures 1-5 As a further scheme of the utility model, the top end of the closed box 1 is rotationally installed with a touch panel computer 11, and the back of the touch panel computer 11 is rotationally installed with a support.

[0037] In an embodiment, refer to the attached drawings of the specification Figures 1-5 As a further scheme of the utility model, the barometer 10 is fixedly connected with the closed box 1, the pressure sensor on the barometer 10 is inside the closed box 1, and the top of the closed box 1 is fixedly installed with an electric control box 12.

[0038] Before detection, the heat exchanger 6 to be detected is placed on the bearing plate 5, and the bearing plate 5 and the heat exchanger 6 are moved to a suitable position inside the closed box 1 through the movement of the moving mechanism 4; the front door 3 is closed, the door sealing mechanism 2 is started, the electric telescopic rod 25 is retracted, the front door 3 is tightly closed, the sealing rubber strip is tightly attached to the front door 3 and the closed box 1, and the sealing property of the detection environment is ensured.

[0039] During detection, the air pump 8 is started, the air pump 8 fills gas into the closed box 1 through the gas pipeline, the gas flow can be adjusted through the flow adjusting valve on the gas pipeline, the barometer 10 monitors the air pressure value inside the closed box 1 in real time and transmits data to the controller in the electric control box 12, and the touch panel computer 11 displays detection parameters such as the air pressure value in real time, and the operator can monitor and control the detection process through the touch panel computer 11.

[0040] If the air pressure value displayed by the barometer 10 is stable in the preset range during the inflation process, and the air pressure value does not change obviously after pressure maintaining for a certain time, it indicates that the air tightness of the heat exchanger 6 is good; if the air pressure value obviously decreases, it indicates that the heat exchanger 6 has a leakage. After detection is completed, the operator can control the air pump 8 to stop working through the touch panel computer 11, then the door sealing mechanism 2 is started, the electric telescopic rod 25 is extended, the front door 3 is opened, and the bearing plate 5 and the heat exchanger 6 are moved out of the closed box 1 through the moving mechanism 4.

[0041] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heat exchanger air tightness detection device, comprising a closed box body (1), characterized in that: The side of the closed box (1) is fixedly installed with a door sealing mechanism (2), the front end of the closed box (1) is provided with a front door (3), the inner side of the bottom end of the closed box (1) is fixedly installed with a moving mechanism (4), the moving mechanism (4) is installed with a bearing plate (5), the upper side of the bearing plate (5) is placed with a heat exchanger (6), the top end of the closed box (1) is fixedly connected with an air pump (8), the top end of the closed box (1) is fixedly installed with an air valve (9), the side of the air valve (9) is provided with an air pressure gauge (10).

2. The heat exchanger air tightness detection device according to claim 1, characterized in that: The door sealing mechanism (2) comprises a first servo motor (21), the main shaft end of the first servo motor (21) is fixedly connected with a worm (22), the outer side of the worm (22) is meshed and connected with a worm wheel (23), the outer side of the worm wheel (23) is fixedly connected with a fixed frame (24), the fixed frame (24) is fixedly connected with an electric telescopic rod (25), the shaft of the electric telescopic rod (25) is fixedly connected with the front door (3).

3. The heat exchanger gas tightness detection device of claim 1, wherein: The moving mechanism (4) comprises a fixed block (41), the rear end of the fixed block (41) is fixedly connected with a second servo motor (42), the main shaft end of the second servo motor (42) is fixedly connected with a lead screw (43), the outer side of the lead screw (43) is spirally connected with a lead screw sleeve (44), the lead screw sleeve (44) is fixedly connected with the bearing plate (5).

4. The heat exchanger gas tightness detection device of claim 3, wherein: The lead screw (43) is rotatably connected with the fixed block (41), and the lead screw sleeve (44) is slidably connected with the fixed block (41).

5. The heat exchanger gas tightness detection device of claim 1, wherein: The outer side of the closed box (1) is clamped and installed with a bearing roller frame (7), the bearing roller frame (7) is composed of a fixed frame and a plurality of rollers.

6. The heat exchanger gas tightness detection device of claim 1, wherein: The top end of the closed box (1) is rotatably installed with a touch panel computer (11), the back of the touch panel computer (11) is rotatably installed with a support.

7. The heat exchanger gas tightness detection device of claim 1, wherein: The air pressure gauge (10) is fixedly connected with the closed box (1), the pressure sensor on the air pressure gauge (10) is inside the closed box (1), and the top of the closed box (1) is fixedly installed with an electric control box (12).

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