Air conditioner temperature sensor mounting structure

Abstract

The utility model discloses an air conditioner temperature sensor mounting structure relates to air conditioner accessory technical field, the utility model discloses a temperature sensing sleeve, and the temperature sensing sleeve outer surface is connected with the embrace ring, and the embrace ring both sides are all seted up with the brazing groove, and the embrace ring outer surface is seted up with the open slot. The utility model discloses the setting of embrace ring and open slot, can from the open slot direction with embrace ring of temperature sensing sleeve when installing is seted up in the air conditioner copper pipe outer wall, after bending embrace ring makes it close copper pipe outer wall, can rely on the friction force between embrace ring and copper pipe and realize preliminary spacing, effectively reduce the phenomenon that temperature sensing sleeve droops in the brazing process, this can let staff both hands operate brazing device, be convenient for when the accident occurs and close the device fast, the safety factor in the installation process is improved significantly, simultaneously, embrace ring cross section is C character shape, compared with traditional installation mode, can adhere to more area of air conditioner copper pipe outer circle, greatly increase the contact area of embrace ring and copper pipe, and then improve the stability of both connection, improve the use effect.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner accessories technology, specifically to an air conditioner temperature sensor mounting structure. Background Technology

[0002] Air conditioners are common air conditioning devices in modern life, mainly used to regulate indoor temperature, humidity, and air circulation to create a comfortable indoor environment. Their core structure includes an indoor unit, an outdoor unit, and copper pipes connecting the two. The copper pipes in the indoor unit are the key carrier for refrigerant transport; the temperature change of the refrigerant within the copper pipes directly determines the operating efficiency and effectiveness of the air conditioner's cooling or heating function.

[0003] The air conditioner pipe temperature sensor is a core detection component of the air conditioner temperature control system. Its main function is to collect the surface temperature of the copper pipes in the indoor unit of the air conditioner in real time and transmit the temperature signal to the air conditioner's main control system. Based on the temperature data fed back by the pipe temperature sensor, the main control system dynamically adjusts parameters such as the compressor operating rate and fan speed to ensure stable cooling or heating performance. To achieve reliable installation and accurate detection of the pipe temperature sensor, it is usually necessary to assemble it on the outer wall of the copper pipes in the indoor unit of the air conditioner using a temperature-sensing sleeve. The temperature-sensing sleeve must maintain effective contact with the copper pipes to ensure temperature conduction performance.

[0004] In existing air conditioning pipe temperature sensor installation technologies, the temperature-sensing sleeve is often directly fixed to the outer wall of the air conditioning copper pipe using brazing. This installation method has significant drawbacks: First, the fixed contact surface between the temperature-sensing sleeve and the copper pipe is linear, resulting in a small contact area that affects heat conduction efficiency and consequently the accuracy of the pipe temperature sensor in detecting the copper pipe temperature. Second, the linear contact surface makes the connection strength between the temperature-sensing sleeve and the copper pipe relatively weak. Vibrations generated by the fan during air conditioning operation can impact the connection structure. Furthermore, after long-term use, problems such as dust accumulation on the fan surface and component wear can disrupt the dynamic balance, further aggravating the vibration amplitude and increasing the possibility of the temperature-sensing sleeve loosening or even detaching from the outer wall of the copper pipe, ultimately affecting the normal operation of the air conditioner. Utility Model Content

[0005] Therefore, the purpose of this utility model is to provide an air conditioner temperature sensor mounting structure to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an air conditioner temperature sensor mounting structure, including a temperature sensing sleeve, a retaining ring connected to the outer surface of the temperature sensing sleeve, and brazing grooves on both sides of the retaining ring, and an opening groove on the outer surface of the retaining ring.

[0007] By adopting the above technical solution, the indirect connection between the temperature sensing sleeve and the air conditioning copper pipe can be achieved by relying on the retaining ring. The design of the open groove provides the retaining ring with deformable assembly space, which makes it easy for the staff to put the retaining ring on the outer wall of the air conditioning copper pipe from the open groove. The brazing grooves on both sides of the retaining ring reserve the weld structure for subsequent brazing and fixing. This initially solves the limitation of linear contact when the temperature sensing sleeve is directly brazed in the traditional technology, and lays a structural foundation for improving the connection stability and heat conduction efficiency.

[0008] Furthermore, the cross-section of the retaining ring is C-shaped.

[0009] By adopting the above technical solution, the C-shaped cross-section can better fit the circular outer wall of the air conditioning copper pipe, allowing the retaining ring to cover more of the outer ring of the copper pipe after bending and fitting. Compared with the linear contact surface of traditional direct welding, it significantly increases the contact area between the retaining ring and the copper pipe, providing a larger connection foundation for subsequent brazing and fixing, and creating a wider path for temperature conduction, which helps to improve both connection stability and heat conduction efficiency.

[0010] Furthermore, the brazing groove is connected to the inner ring of the retaining ring, and the brazing groove is arc-shaped.

[0011] By adopting the above technical solution, the arc-shaped brazing groove can reduce the resistance when the solder flows, making it easier for the solder to fill the groove smoothly during the brazing process. The design of the brazing groove being connected to the inner ring of the retaining ring allows the solder to pass through the brazing groove and directly enter the gap between the retaining ring and the outer wall of the copper tube. This not only increases the actual brazing area but also fully fills the tiny gap between the two, reducing air residue. Thus, while strengthening the connection between the retaining ring and the copper tube, it also reduces the obstruction of heat conduction by air.

[0012] Furthermore, the temperature sensing sleeve is made of copper.

[0013] By adopting the above technical solution and utilizing the excellent thermal conductivity of copper, the temperature of the outer wall of the air conditioner copper pipe can be quickly and efficiently transferred to the pipe temperature sensor inside the temperature sensing sleeve. This avoids temperature transfer delays or losses caused by the poor thermal conductivity of the temperature sensing sleeve material, ensuring that the pipe temperature sensor can collect the copper pipe temperature signal in real time and accurately.

[0014] Furthermore, the temperature-sensing sleeve has placement slots at the top and bottom, and a card passes through the top of the placement slot.

[0015] By adopting the above technical solution, the placement slot can provide a dedicated installation space for the pipe temperature sensor, play a preliminary positioning role for the sensor, and prevent the sensor from moving randomly during the installation of the temperature sensing sleeve or the operation of the air conditioner; while the card penetrating the top of the placement slot can press and limit the sensor in the slot, ensuring that the sensor is always in a stable detection posture and avoiding the impact on temperature detection accuracy due to sensor loosening.

[0016] Furthermore, the card is made of 304 or 316 stainless steel, and the card is detachably connected to the temperature sensing sleeve and the placement slot.

[0017] By adopting the above technical solutions, 304 or 316 stainless steel materials have good structural strength and corrosion resistance, which can withstand the force of pressing the sensor for a long time and resist the corrosion caused by the humid environment of the air conditioner indoor unit, thus extending the service life of the card; while the detachable connection design facilitates the subsequent inspection and replacement of the tube temperature sensor, avoiding the inconvenience of sensor maintenance caused by the fixed connection between the card and the temperature sensing sleeve.

[0018] Furthermore, the retaining ring is made of copper and is fixedly connected to the temperature sensing sleeve by integral molding.

[0019] By adopting the above technical solution, the copper retaining ring and the copper temperature sensing sleeve are made of the same material, which ensures that the temperature conduction process from the retaining ring to the temperature sensing sleeve is continuous and without significant loss, avoiding temperature transfer interruptions caused by the difference in thermal conductivity between the two materials. At the same time, the one-piece molding connection eliminates the splicing gap between the retaining ring and the temperature sensing sleeve, which not only reduces the impact of air in the gap on heat conduction, but also greatly improves the connection stability between the retaining ring and the temperature sensing sleeve, preventing them from falling off and separating after long-term use.

[0020] Furthermore, the brazing grooves are provided in multiple ways, divided into two groups, and the two groups of brazing grooves are distributed in a mirror image, with multiple brazing grooves in each group being equidistantly distributed.

[0021] By adopting the above technical solution, the design of multiple brazing grooves further increases the number of joints between the retaining ring and the outer wall of the copper tube, significantly expanding the brazing area. The mirror distribution of the two sets of brazing grooves allows the connection force formed after the solder fills to be evenly distributed in the circumferential direction of the copper tube, avoiding weak points in the connection caused by local stress concentration. The equidistant distribution of the brazing grooves in each set ensures that the solder fills evenly on both sides of the retaining ring, further improving the overall stability of the connection between the retaining ring and the copper tube, while also improving heat conduction efficiency through more heat conduction paths.

[0022] In summary, the present invention has the following main advantages:

[0023] 1. This utility model, through the design of the retaining ring and the open groove, allows the retaining ring to be fitted onto the outer wall of the air conditioning copper pipe from the open groove direction during the installation of the temperature sensing sleeve. After bending the retaining ring to make it fit tightly against the outer wall of the copper pipe, the friction between the retaining ring and the copper pipe can achieve initial positioning, effectively reducing the phenomenon of temperature sensing sleeve sagging during brazing. This allows workers to operate the brazing device with both hands, facilitating quick closure of the device in case of an accident, significantly improving the safety factor during installation. At the same time, the C-shaped cross-section of the retaining ring, compared with the traditional installation method, can fit a larger area of ​​the outer ring of the air conditioning copper pipe, greatly increasing the contact area between the retaining ring and the copper pipe, thereby improving the stability of the connection between the two, reducing the risk of temperature sensing sleeve falling off in vibration scenarios, and the larger contact area can also improve heat conduction efficiency; thus improving the performance.

[0024] 2. By setting up a brazing groove, this utility model can increase the number of joints between the retaining ring and the outer wall of the air conditioning copper pipe, since the brazing groove is connected to the inner ring of the retaining ring. On the one hand, it can increase the brazing area and further strengthen the connection stability between the retaining ring and the copper pipe. On the other hand, the solder can better fill the gaps and reduce the air gap between the two, reduce the air's resistance to heat conduction, and help improve the overall heat conduction efficiency; improve the connection stability and thermal conductivity. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the back structure of this utility model;

[0027] Figure 3 This is a side sectional view of the present invention.

[0028] Figure 4 This is a schematic diagram of the ring structure of this utility model;

[0029] Figure 5 This is a schematic diagram of the exploded structure of this utility model.

[0030] In the diagram: 1. Temperature sensing sleeve; 2. Placement slot; 3. Card; 4. Clamping ring; 5. Opening slot; 6. Brazing slot. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The embodiments of this utility model will be described below based on its overall structure.

[0033] Example 1:

[0034] An air conditioner temperature sensor mounting structure, such as Figures 1-5 As shown, the device includes a temperature-sensing sleeve 1, with a retaining ring 4 connected to its outer surface. The retaining ring 4 has a "C"-shaped cross-section and brazing grooves 6 on both sides, which are connected to the inner ring of the retaining ring 4. The brazing grooves 6 are arc-shaped. An opening groove 5 is provided on the outer surface of the retaining ring 4. The operator places the retaining ring 4 onto the outer wall of the air conditioning copper pipe from the direction of the opening groove 5. The opening groove 5 provides the retaining ring 4 with deformable assembly space, allowing the operator to flexibly adjust the opening degree of the retaining ring 4 according to the outer diameter of the copper pipe, thus successfully completing the installation operation. After installation, the operator... The operator bends the retaining ring 4 with external force, so that the inner wall of the C-shaped retaining ring 4 fits tightly against the outer wall of the air conditioning copper pipe. At this time, the friction between the retaining ring 4 and the copper pipe will initially limit the temperature sensing sleeve 1, effectively reducing the phenomenon of the temperature sensing sleeve 1 sagging due to its own weight during the subsequent brazing process. This allows the operator to operate the brazing device with both hands. One hand can accurately control the direction and distance of the brazing, while the other hand can operate the valves and other structures of the brazing device at any time. If brazing deviation, solder overflow or other accidents occur, the device can be quickly shut down, greatly improving the safety factor of the installation process.

[0035] See Figures 1-5 In the above embodiment, the temperature sensing sleeve 1 is made of copper. The excellent thermal conductivity of copper ensures efficient transmission of the temperature from the outer wall of the air conditioning copper pipe to the internally installed pipe temperature sensor. The temperature sensing sleeve 1 has placement slots 2 at its top and bottom, with a card 3 passing through the top of the slot 2. The operator places the stainless steel card 3 into the slot 2 and then places the pipe temperature sensor inside. The card 3 and the slot 2 work together to achieve a clamping and limiting effect, restricting the sensor's position and ensuring it remains in a stable detection posture during subsequent installation of the temperature sensing sleeve 1 and air conditioning operation. This prevents the sensor from becoming loose and affecting temperature acquisition accuracy, and ensures the pipe temperature sensor is tightly attached to the outer wall of the temperature sensing sleeve 1, reducing air gaps. The operator then inserts the connector at the end of the pipe temperature sensor cable into the air conditioning control circuit board to connect current and electrical signals. The card 3 is made of 304 or 316 stainless steel, relying on its good structural strength and corrosion resistance. The card 3 is detachable from the temperature sensing sleeve 1 and the placement slot 2, allowing for flexible disassembly and reassembly according to sensor maintenance needs.

[0036] Example 2:

[0037] Based on the above embodiment one, in order to reduce the generation of air gaps and improve structural consistency and stability, the following settings are now adopted.

[0038] See Figures 1-5In the above embodiment, the retaining ring 4 is made of copper. The retaining ring 4 is fixedly connected to the temperature sensing sleeve 1 by integral molding. Relying on the consistency of the copper retaining ring 4 and the copper temperature sensing sleeve 1, as well as the advantage of the seamless structure brought by the integral molding process, it can not only avoid the air gap caused by splicing between the retaining ring 4 and the temperature sensing sleeve 1, further reducing the temperature loss in the heat conduction process, but also enhance the connection stability between the retaining ring 4 and the temperature sensing sleeve 1, preventing the two from falling off and separating during long-term use, and ensuring the thermal continuity and connection reliability of the overall structure.

[0039] Example 3:

[0040] Based on the above embodiment one, the following settings are used to increase the brazing surface.

[0041] See Figures 1-5 In the above embodiment, multiple brazing grooves 6 are provided, divided into two groups. The two groups of brazing grooves 6 are distributed in a mirror image. The multiple brazing grooves 6 will form a denser joint layout on both sides of the retaining ring 4. The mirror distribution can make the connection force between the retaining ring 4 and the copper tube evenly distributed in the circumferential direction, avoiding weak points in the connection caused by local stress concentration. The multiple brazing grooves 6 in each group are equidistantly distributed. The equidistant distribution can make the solder filling more uniform, further increasing the total area and heat conduction area of ​​the brazing surface. On the basis of the original function of the brazing grooves 6, the connection stability between the retaining ring 4 and the copper tube is further improved. At the same time, the temperature can be transferred from the copper tube to the retaining ring 4 through more paths, which helps to improve the overall heat conduction efficiency.

[0042] The implementation principle of this utility model is as follows: First, during the air conditioner production process, the worker places the retaining ring 4 onto the outer wall of the air conditioner copper pipe from the direction of the opening groove 5 opened on the outer surface of the retaining ring 4. The opening groove 5 provides the retaining ring 4 with a deformable assembly space, which makes it easy for the worker to flexibly adjust the opening and closing degree of the retaining ring 4 according to the outer diameter of the copper pipe and smoothly complete the fitting operation. After fitting, the worker bends the retaining ring 4 with external force so that the inner wall of the retaining ring 4 with a C-shaped cross-section fits tightly against the outer wall of the air conditioner copper pipe. At this time, the friction between the retaining ring 4 and the copper pipe will form a preliminary limit on the temperature sensing sleeve 1, effectively reducing the phenomenon of the temperature sensing sleeve 1 sagging due to its own weight during the subsequent brazing process. This allows the worker to operate the brazing device with both hands. One hand can accurately control the direction and distance of the brazing, while the other hand can operate the valves and other structures of the brazing device at any time. If there are unexpected situations such as brazing deviation or solder overflow, the device can be quickly shut down, which greatly improves the safety factor of the installation process.

[0043] During brazing, the arc-shaped brazing grooves 6 on both sides of the retaining ring 4 play a crucial role. Since the brazing grooves 6 are connected to the inner ring of the retaining ring 4, the solder can fill the gap between the retaining ring 4 and the outer wall of the copper tube along the brazing grooves 6. On one hand, the brazing grooves 6 increase the number of joints between the retaining ring 4 and the copper tube, thereby increasing the brazing area and allowing the solder to connect the two more fully, significantly improving the connection stability between the retaining ring 4 and the copper tube. On the other hand, the solder can fill the tiny gaps between the retaining ring 4 and the copper tube through the brazing grooves 6, reducing air residue. Since air has a much lower thermal conductivity than metal, reducing the air gap effectively reduces heat conduction resistance, allowing for smoother heat transfer between the retaining ring 4 and the copper tube. Combined with the C-shaped cross-section of the retaining ring 4 fitting more of the outer ring of the copper tube, this further expands the temperature conduction area, ensuring that the temperature of the outer wall of the copper tube can be efficiently transferred to the internal sensor through the retaining ring 4 and the copper temperature sensing sleeve 1. The material consistency between the retaining ring 4 and the copper temperature sensing sleeve 1, along with the seamless structure advantage brought by the one-piece molding process, not only avoids air gaps caused by splicing between the retaining ring 4 and the temperature sensing sleeve 1, further reducing temperature loss during heat conduction, but also enhances the connection stability between the retaining ring 4 and the temperature sensing sleeve 1, preventing them from falling off during long-term use and ensuring the thermal continuity and connection reliability of the overall structure. In addition, multiple brazing grooves 6 will form a denser seam layout on both sides of the retaining ring 4. The mirror distribution allows the connection force between the retaining ring 4 and the copper tube to be evenly distributed in the circumferential direction, avoiding weak points caused by localized stress concentration. The equidistant distribution allows the solder to fill more evenly, further increasing the total area and heat conduction area of ​​the brazing surface. On the basis of the original function of the brazing grooves 6, it further improves the connection stability between the retaining ring 4 and the copper tube, while allowing temperature to be transferred from the copper tube to the retaining ring 4 through more paths, thus helping to improve the overall heat conduction efficiency.

[0044] During subsequent installation and removal of the pipe temperature sensor, the operator places the stainless steel clip 3 in the placement slot 2 and then places the pipe temperature sensor in the placement slot 2. The clip 3 and the placement slot 2 work together to achieve a clamping and limiting effect, thus limiting the position of the sensor. This ensures that the sensor remains in a stable detection posture during the subsequent installation of the temperature sensing sleeve 1 and the operation of the air conditioner, preventing the sensor from becoming loose and affecting the accuracy of temperature acquisition. It also ensures that the pipe temperature sensor is tightly attached to the outer wall of the temperature sensing sleeve 1, reducing air gaps. The operator then inserts the connector at the end of the pipe temperature sensor cable into the air conditioner control circuit board to connect the current and electrical signal. The temperature sensing sleeve 1 is made of copper, utilizing copper's excellent thermal conductivity to ensure efficient transmission of the temperature of the outer wall of the air conditioner copper pipe to the internally installed pipe temperature sensor. The clip 3 is made of 304 or 316 stainless steel, relying on its good structural strength and corrosion resistance to provide reliable limiting support for the sensor installation. Since the clip 3 is detachably connected to the temperature sensing sleeve 1 and the placement slot 2, it can be flexibly disassembled and reassembled according to the sensor maintenance needs.

[0045] During normal operation of the air conditioner, the copper temperature sensing sleeve 1 continuously transmits the temperature of the outer wall of the copper pipe to the internal pipe temperature sensor. After the sensor collects the temperature signal, it transmits it to the air conditioner's main control system. In this process, the stable connection between the retaining ring 4 and the copper pipe can resist the vibration generated by the operation of the air conditioner fan. Even if the fan wheel surface accumulates dust and the components wear after long-term use, resulting in increased vibration amplitude, the risk of the temperature sensing sleeve 1 loosening or falling off can be reduced. At the same time, the efficient heat conduction structure can ensure that the temperature signal is transmitted in a timely and accurate manner, providing a reliable basis for the air conditioner's main control system to adjust the compressor speed and fan speed, and ensuring the stable operation of the air conditioner's cooling or heating function.

[0046] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. An air conditioner temperature sensor mounting structure, comprising a temperature sensing sleeve (1), characterized in that: The outer surface of the temperature sensing sleeve (1) is connected to a retaining ring (4), and brazing grooves (6) are provided on both sides of the retaining ring (4). An opening groove (5) is provided on the outer surface of the retaining ring (4).

2. The air conditioner temperature sensor mounting structure according to claim 1, characterized in that: The cross-section of the ring (4) is "C".

3. The air conditioner temperature sensor mounting structure according to claim 2, characterized in that: The brazing groove (6) is connected to the inner ring of the retaining ring (4), and the brazing groove (6) is arc-shaped.

4. The air conditioner temperature sensor mounting structure according to claim 1, characterized in that: The temperature sensing sleeve (1) is made of copper.

5. The air conditioner temperature sensor mounting structure according to claim 4, characterized in that: The temperature sensing sleeve (1) has placement slots (2) at the top and bottom, and a card (3) passes through the top of the placement slot (2).

6. The air conditioner temperature sensor mounting structure according to claim 5, characterized in that: The card (3) is made of 304 or 316 stainless steel and is detachably connected to the temperature sensing sleeve (1) and the placement slot (2).

7. The air conditioner temperature sensor mounting structure according to claim 3, characterized in that: The retaining ring (4) is made of copper material and is fixedly connected to the temperature sensing sleeve (1) by integral molding.

8. The air conditioner temperature sensor mounting structure according to claim 3, characterized in that: The brazing grooves (6) are provided in multiple ways, divided into two groups, and the two groups of brazing grooves (6) are distributed in a mirror image, and the multiple brazing grooves (6) in each group are distributed at equal intervals.

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