Air conditioner refrigerant leakage detection device
By designing an air conditioning refrigerant leak detection device, and utilizing a sliding sleeve and adjustment mechanism, the problem of inconvenient air conditioning detection at high outdoor locations was solved, achieving efficient and accurate refrigerant leak detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA NORTHEAST ARCHITECTURAL DESIGN & RES INST CO LTD
- Filing Date
- 2025-03-07
- Publication Date
- 2026-05-15
AI Technical Summary
Existing air conditioning refrigerant leak detection devices are not convenient for detecting air conditioners installed on high outdoor walls, and it is difficult for staff to effectively detect them when standing indoors or in a safe position on the ground.
An air conditioning refrigerant leakage detection device was designed, including a sliding sleeve, a threaded sleeve, a rectangular plate, a vertical plate, a horizontal axis, a rotating plate, an electric cylinder, and a refrigerant leakage detection mechanism. Combined with angle adjustment and extension position adjustment mechanisms, it can achieve flexible detection of air conditioning outdoor units.
It improves the efficiency and accuracy of air conditioning refrigerant leak detection, and can detect outdoor air conditioning units at high locations indoors or on the ground, adapting to different detection needs.
Smart Images

Figure CN224246405U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of air conditioning refrigerant leakage detection technology, and in particular relates to an air conditioning refrigerant leakage detection device. Background Technology
[0002] Air conditioning refrigerant, also known as the refrigeration working medium, is the circulating working fluid in an air conditioning system. It continuously exchanges energy with the external environment through cyclical changes in its thermodynamic state, achieving the purpose of cooling. During air conditioning maintenance and repair, a refrigerant leak detection device is needed to detect any refrigerant leaks.
[0003] Existing air conditioning refrigerant leak detection devices are often handheld by workers. However, current air conditioners are generally installed on outdoor walls, making it inconvenient for workers to stand in a safe location indoors or on the ground to detect refrigerant leaks. Utility Model Content
[0004] This invention provides an air conditioning refrigerant leak detection device, which aims to solve the problem mentioned in the background art that the air conditioning refrigerant leak detection device is inconvenient for detecting refrigerant leaks in air conditioners installed on high outdoor walls.
[0005] To solve the above problems, this utility model is implemented as follows: an air conditioner refrigerant leak detection device, comprising: a housing with a sliding sleeve fixedly mounted on its top; a threaded sleeve slidably mounted on the inner wall of the sliding sleeve; a rectangular plate fixedly mounted on the top end of the threaded sleeve; a vertical plate fixedly mounted on the rectangular plate; a horizontal shaft rotatably mounted on the vertical plate; a rotating plate fixedly sleeved on the horizontal shaft; an electric cylinder fixedly mounted on the rotating plate; a refrigerant leak detection mechanism mounted on the output rod of the electric cylinder, the refrigerant leak detection mechanism being used to detect refrigerant leaks in the outdoor unit of an air conditioner; an angle adjustment mechanism mounted on the rectangular plate, the angle adjustment mechanism being used to adjust the angle of the refrigerant leak detection mechanism; and an extension position adjustment mechanism mounted on the inner wall of the sliding sleeve, the extension position adjustment mechanism being used to adjust the extension position of the refrigerant leak detection mechanism.
[0006] Preferably, the refrigerant leak detection mechanism includes: a detection head fixedly mounted on the output rod of the electric cylinder; an infrared gas sensor, a camera, and an illumination lamp mounted on the detection head.
[0007] Preferably, the angle adjustment mechanism includes: a stepper motor fixedly mounted on the rectangular plate; and two bevel gears fixedly mounted on the output shaft of the stepper motor and on the horizontal shaft and meshing with each other.
[0008] Preferably, the extension position adjustment mechanism includes: a servo motor fixedly mounted on the inner wall of the sliding sleeve; a rotating rod fixedly mounted on the output shaft of the servo motor and extending into the inside of the threaded sleeve; and a threaded block fixedly mounted on one end of the rotating rod and threadedly connected to the inner wall of the threaded sleeve.
[0009] Preferably, the inner wall of the sliding sleeve is provided with multiple limiting grooves, and multiple limiting blocks are fixedly installed on the threaded sleeve. The multiple limiting blocks are slidably connected to the inner walls on both sides of the multiple limiting grooves.
[0010] Preferably, a detection controller is installed on the inner wall of the housing, and the detection controller is electrically connected to the electric cylinder, infrared gas sensor, camera, lighting lamp, servo motor and stepper motor.
[0011] Preferably, a speaker is provided on the inner wall of the housing, and a display screen, an alarm light, and an operation panel are installed on the housing. The speaker, display screen, alarm light, and operation panel are all electrically connected to the detection controller.
[0012] Preferably, the outer casing has multiple sound-permeable holes, a lithium battery is disposed on the inner wall of the outer casing, and a charging interface is disposed on the outer casing. The lithium battery is electrically connected to the charging interface and the detection controller.
[0013] Compared with related technologies, the air conditioning refrigerant leakage detection device provided by this utility model has the following advantages:
[0014] Compared with existing technologies, the air conditioning refrigerant leak detection device provided in this solution has a sliding sleeve fixedly installed on the top of the outer casing; a threaded sleeve slidably installed on the inner wall of the sliding sleeve to achieve stable vertical movement; a rectangular plate fixedly installed at the top of the threaded sleeve as a support structure; a vertical plate fixedly installed on the rectangular plate to provide a mounting base for the rotating mechanism; a horizontal shaft rotatably installed on the vertical plate and a fixedly sleeved rotating plate, combined with an electric cylinder, to achieve flexible rotation of the detection mechanism; the refrigerant leak detection mechanism installed on the output rod of the electric cylinder is directly used for refrigerant leak detection of the air conditioning outdoor unit, improving detection efficiency and accuracy; an angle adjustment mechanism installed on the rectangular plate can adjust the working angle of the refrigerant leak detection mechanism to adapt to different detection needs; an extension position adjustment mechanism installed on the inner wall of the sliding sleeve is used to adjust the extension position of the refrigerant leak detection mechanism, facilitating refrigerant leak detection of air conditioning outdoor units installed high on outdoor walls. The comprehensive use of these components not only detects refrigerant leaks in air conditioners but also adjusts the extension position of the detection mechanism, allowing personnel to perform refrigerant leak detection on air conditioning outdoor units installed high on outdoor walls from a safe position indoors or on the ground. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the main structure of an air conditioning refrigerant leakage detection device provided by this utility model;
[0016] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in the figure;
[0017] Figure 3 for Figure 1 An enlarged structural diagram of part B shown in the figure;
[0018] Figure 4 for Figure 1 An enlarged structural diagram of section C shown in the figure;
[0019] Figure 5 for Figure 1 An enlarged structural diagram of part D shown in the figure;
[0020] Figure 6 for Figure 1 An enlarged structural diagram of part D shown in the figure;
[0021] Figure 7 for Figure 1 A three-dimensional assembly structure diagram of the electric cylinder and the leakage detection mechanism.
[0022] Reference numerals: 1. Outer shell; 2. Sliding sleeve; 3. Threaded sleeve; 4. Rectangular plate; 5. Vertical plate; 6. Horizontal axis; 7. Rotating plate; 8. Electric cylinder; 9. Detection head; 10. Infrared gas sensor; 11. Camera; 12. Illumination lamp; 13. Servo motor; 14. Rotating rod; 15. Threaded block; 16. Limiting groove; 17. Limiting block; 18. Stepper motor; 19. Bevel gear; 20. Detection controller; 21. Speaker; 22. Display screen; 23. Alarm light; 24. Operation panel; 25. Sound transmission hole; 26. Lithium battery; 27. Charging interface. Detailed Implementation
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0025] This utility model provides an air conditioning refrigerant leakage detection device, such as... Figure 1-7 As shown, the air conditioning refrigerant leak detection device includes: a housing 1 with a sliding sleeve 2 fixedly mounted on the top; a threaded sleeve 3 slidably mounted on the inner wall of the sliding sleeve 2; a rectangular plate 4 fixedly mounted on the top end of the threaded sleeve 3; a vertical plate 5 fixedly mounted on the rectangular plate 4; a horizontal shaft 6 rotatably mounted on the vertical plate 5; a rotating plate 7 fixedly sleeved on the horizontal shaft 6; an electric cylinder 8 fixedly mounted on the rotating plate 7; a refrigerant leak detection mechanism mounted on the output rod of the electric cylinder 8, the refrigerant leak detection mechanism being used to detect refrigerant leaks in the outdoor unit of the air conditioner; an angle adjustment mechanism mounted on the rectangular plate 4, the angle adjustment mechanism being used to adjust the angle of the refrigerant leak detection mechanism; and an extension position adjustment mechanism mounted on the inner wall of the sliding sleeve 2, the extension position adjustment mechanism being used to adjust the extension position of the refrigerant leak detection mechanism.
[0026] In this embodiment, a sliding sleeve 2 is fixedly installed on the top of the outer casing 1; a threaded sleeve 3 is slidably installed on the inner wall of the sliding sleeve 2 to achieve stable vertical movement; a rectangular plate 4 is fixedly installed on the top of the threaded sleeve 3 as a support structure; a vertical plate 5 is fixedly installed on the rectangular plate 4 to provide a mounting base for the rotating mechanism; a horizontal shaft 6 rotatably installed on the vertical plate 5 and a fixedly fitted rotating plate 7, combined with an electric cylinder 8, enable flexible rotation of the detection mechanism; a refrigerant leak detection mechanism installed on the output rod of the electric cylinder 8 is directly used for refrigerant leak detection of the outdoor unit of the air conditioner, improving detection efficiency and accuracy; the rectangular plate 4 The angle adjustment mechanism installed on the top can adjust the working angle of the refrigerant leak detection mechanism to adapt to different detection needs; the extension position adjustment mechanism installed on the inner wall of the sliding sleeve 2 is used to adjust the extension position of the refrigerant leak detection mechanism, which is convenient for refrigerant leak detection of air conditioner outdoor units installed high on the outdoor wall. The comprehensive use of these components can not only detect refrigerant leaks in air conditioners, but also adjust the extension position of the detection mechanism, making it convenient for staff to stand in a safe position indoors or on the ground to detect refrigerant leaks of air conditioner outdoor units installed high on the outdoor wall.
[0027] In a further preferred embodiment of the present invention, the refrigerant leakage detection mechanism includes: a detection head 9 fixedly installed on the output rod of the electric cylinder 8; an infrared gas sensor 10, a camera 11, and an illumination lamp 12 installed on the detection head 9.
[0028] In this embodiment, the refrigerant leakage of the outdoor unit of the air conditioner can be detected by the infrared gas sensor 10, the situation at the detection location can be captured and monitored by the camera 11, and the detection location can be illuminated by the lighting cover 12.
[0029] In a further preferred embodiment of the present invention, the angle adjustment mechanism includes: a stepper motor 18 fixedly mounted on the rectangular plate 4; and two bevel gears 19 fixedly mounted on the output shaft of the stepper motor 18 and the horizontal shaft 6 and meshing with each other.
[0030] In this embodiment, the stepper motor 18 and two bevel gears 19 can drive the horizontal shaft 6 and the rotating plate 7 to rotate, thereby adjusting the angle of the refrigerant leak detection mechanism and enabling the device to be applied to more complex detection scenarios.
[0031] In a further preferred embodiment of the present invention, the extension position adjustment mechanism includes: a servo motor 13 fixedly installed on the inner wall of the sliding sleeve 2; a rotating rod 14 fixedly installed on the output shaft of the servo motor 13 and extending into the inside of the threaded sleeve 3; and a threaded block 15 fixedly installed at one end of the rotating rod 14 and threadedly connected to the inner wall of the threaded sleeve 3.
[0032] In this embodiment, the servo motor 13 drives the rotating rod 14 to rotate, and the rotating rod 14 drives the threaded block 15 to rotate on the inner wall of the threaded sleeve 3, which can drive the threaded sleeve 3 to move back and forth, thereby adjusting the extension position of the refrigerant leak detection mechanism.
[0033] In a further preferred embodiment of the present invention, a plurality of limiting grooves 16 are provided on the inner wall of the sliding sleeve 2, and a plurality of limiting blocks 17 are fixedly installed on the threaded sleeve 3, and the plurality of limiting blocks 17 are slidably connected to the inner walls on both sides of the plurality of limiting grooves 16 respectively.
[0034] In this embodiment, the threaded sleeve 3 can be guided and limited by sliding multiple limiting blocks 17 on the inner wall of multiple limiting grooves 16.
[0035] In a further preferred embodiment of the present invention, a detection controller 20 is installed on the inner wall of the outer shell 1, and the detection controller 20 is electrically connected to the electric cylinder 8, the infrared gas sensor 10, the camera 11, the lighting lamp 12, the servo motor 13 and the stepper motor 18.
[0036] In this embodiment, the detection controller 20 can control the electric cylinder 8, the infrared gas sensor 10, the camera 11, the lighting lamp 12, the servo motor 13, and the stepper motor 18.
[0037] In a further preferred embodiment of the present invention, a speaker 21 is provided on the inner wall of the outer casing 1, and a display screen 22, an alarm light 23 and an operation panel 24 are installed on the outer casing 1. The speaker 21, the display screen 22, the alarm light 23 and the operation panel 24 are all electrically connected to the detection controller 20.
[0038] In this embodiment, the speaker 21 and the alarm light 23 can provide an audible and visual alarm when the refrigerant leak detection mechanism detects a refrigerant leak. The display screen 22 can display detailed leak parameters and a video of the leak location captured by the camera 11. The device can be operated via the operation panel 24.
[0039] In a further preferred embodiment of the present invention, the outer shell 1 is provided with a plurality of sound-permeable holes 25, a lithium battery 26 is provided on the inner wall of the outer shell 1, and a charging interface 27 is provided on the outer shell 1. The lithium battery 26 is electrically connected to the charging interface 27 and the detection controller 20.
[0040] In this embodiment, the device can be powered by the lithium battery 26, and an external charging cable can be connected through the charging interface 27 to charge the lithium battery 26.
[0041] In summary, compared with related technologies, this device can not only detect refrigerant leaks in air conditioners, but also adjust the extension position of the detection mechanism, making it convenient for staff to stand in a safe position indoors or on the ground to detect refrigerant leaks in outdoor air conditioner units installed on high walls outdoors.
[0042] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.
[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.
Claims
1. An air conditioning refrigerant leak detection device, characterized in that, include: A housing with a sliding sleeve fixedly mounted on top; A threaded sleeve that is slidably installed on the inner wall of the sliding sleeve; A rectangular plate fixedly installed at the top end of the threaded sleeve; A vertical plate fixedly installed on the rectangular plate; Rotate the horizontal shaft mounted on the vertical plate; A rotating plate fixedly sleeved on the horizontal axis; An electric cylinder fixedly mounted on the rotating plate; A refrigerant leak detection mechanism is installed on the output rod of the electric cylinder, and the refrigerant leak detection mechanism is used to detect refrigerant leaks in the outdoor unit of the air conditioner; An angle adjustment mechanism is installed on the rectangular plate, and the angle adjustment mechanism is used to adjust the angle of the refrigerant leak detection mechanism; An extension position adjustment mechanism is installed on the inner wall of the sliding sleeve, which is used to adjust the extension position of the refrigerant leak detection mechanism.
2. The air conditioning refrigerant leakage detection device as described in claim 1, characterized in that, The refrigerant leak detection mechanism includes: A detection head is fixedly installed on the output rod of the electric cylinder; An infrared gas sensor, a camera, and an illumination lamp are mounted on the detection head.
3. The air conditioning refrigerant leakage detection device as described in claim 2, characterized in that, The angle adjustment mechanism includes: A stepper motor fixedly mounted on the rectangular plate; Two bevel gears are fixedly installed on the output shaft of the stepper motor and on the horizontal shaft, respectively, and mesh with each other.
4. The air conditioning refrigerant leak detection device as described in claim 3, characterized in that, The extended position adjustment mechanism includes: A servo motor is fixedly installed on the inner wall of the sliding sleeve; A rotating rod that is fixedly installed on the output shaft of the servo motor and extends into the threaded sleeve; A threaded block is fixedly installed at one end of the rotating rod and threadedly connected to the inner wall of the threaded sleeve.
5. The air conditioning refrigerant leakage detection device as described in claim 1, characterized in that, The inner wall of the sliding sleeve is provided with multiple limiting grooves, and multiple limiting blocks are fixedly installed on the threaded sleeve. The multiple limiting blocks are slidably connected to the inner walls on both sides of the multiple limiting grooves.
6. The air conditioning refrigerant leakage detection device as described in claim 4, characterized in that, A detection controller is installed on the inner wall of the housing, and the detection controller is electrically connected to the electric cylinder, infrared gas sensor, camera, lighting lamp, servo motor and stepper motor.
7. The air conditioning refrigerant leakage detection device as described in claim 6, characterized in that, A speaker is provided on the inner wall of the housing, and a display screen, an alarm light, and an operation panel are installed on the housing. The speaker, display screen, alarm light, and operation panel are all electrically connected to the detection controller.
8. The air conditioning refrigerant leakage detection device as described in claim 6, characterized in that, The outer casing has multiple sound-permeable holes, a lithium battery is installed on the inner wall of the outer casing, and a charging interface is provided on the outer casing. The lithium battery is electrically connected to the charging interface and the detection controller.