Temperature sensor for air conditioner
By designing the thermal conduction components of the wire sleeve rod and the metal shell in the NTC temperature sensor, and using the plug-in and unplugged structure to transfer heat under the same medium, the problem of reducing energy consumption and accuracy of heat transfer in the prior art is solved, and a more efficient temperature sensing speed and measurement accuracy are achieved.
Patent Information
- Application Number
- CN202421406221.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-19
AI Technical Summary
Existing NTC temperature sensors consume energy during heat transfer and require secondary heat transfer under different media, resulting in reduced usage accuracy.
An air conditioner temperature sensor is designed, using a wire sleeve rod and a metal shell, and a thermal conductor component is arranged inside and outside, including a first thermal conductor, a second thermal conductor, a third thermal conductor and a fourth thermal conductor. Heat is transferred under the same medium through the plug-in and pull-out structure, and heat is transferred to the maximum extent to accelerate the temperature sensing speed.
By transferring heat under the same medium, the temperature sensing speed and measurement accuracy of the thermistor are improved, and the energy consumption and accuracy reduction during the heat transfer process are avoided.
Smart Images

Figure CN222719064U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of NTC temperature sensors, in particular to a temperature sensor for air conditioners. Background Art
[0002] The NTC temperature sensor mainly consists of a housing, an NTC thermistor and a waterproof insulated wire sleeve rod. The housing is used to protect the internal NTC thermistor, and the waterproof insulated wire sleeve rod is used to connect the air conditioning panel group. The response time of the temperature sensor is particularly important for whether the air conditioner can cool or heat quickly.
[0003] The existing NTC temperature sensor sets the front end of the metal shell into a hemispherical shape, and a limiting structure is provided inside the metal shell to limit the NTC thermistor to prevent it from shifting, thereby meeting the working requirements;
[0004] However, after the above structure, the metal shell and the limiting structure are still needed for heat transfer, and the heat transfer itself consumes energy. Moreover, it needs to be transferred twice in different media, which further reduces the accuracy of the temperature sensor. Utility Model Content
[0005] Based on this, the purpose of the utility model is to provide a temperature sensor for air conditioning to solve the technical problem that the prior art still needs to use a metal shell and a limiting structure for heat transfer, and heat transfer itself consumes energy, and requires secondary transfer under different media, further reducing the accuracy of the temperature sensor.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a temperature sensor for an air conditioner, comprising a wire sleeve rod and a metal shell, one end of the wire sleeve rod is connected to a thermistor, and a heat-conducting component matching with the thermistor is arranged inside and outside the metal shell, and the heat-conducting component comprises a first heat conductor, a second heat conductor, a third heat conductor, a fourth heat conductor and a placement groove, the first heat conductor is bonded to the inside of the metal shell, and multiple groups of second heat conductors are evenly arranged on the outside of the metal shell, and a fourth heat conductor is arranged between the first heat conductor and the second heat conductor, and a third heat conductor matching with the second heat conductor is arranged on the top of the metal shell, and a placement groove is opened inside the first heat conductor.
[0007] By adopting the above technical solution, the outer side of the first heat conductor is connected to the second heat conductor through multiple groups of fourth heat conductors, and the multiple groups of second heat conductors are designed to be half-circle, so that the contact area with the outside is greatly improved, and the first heat conductor, the second heat conductor, the third heat conductor and the fourth heat conductor are in an integrated plug-in structure, so that heat is transferred under the same medium, and then a placement groove is opened in the second heat conductor, and the placement groove is consistent with the shape of the thermistor, so as to maximize the heat transfer, thereby ensuring that the temperature sensing speed of the thermistor is accelerated and the measurement accuracy is high.
[0008] The utility model is further configured that a wire connected to the thermistor is arranged inside the wire sleeve rod.
[0009] By adopting the above technical solution and utilizing the function of the wire, the normal use of the parts can be ensured.
[0010] The utility model is further configured that a sealing block matched with the metal shell is arranged on the outer side of the wire sleeve rod.
[0011] By adopting the above technical solution and utilizing the function of the sealing block, the sealing of the parts is ensured and internal leakage is avoided, thereby completing the work.
[0012] The utility model is further configured as follows: the metal shell includes a first shell and a second shell, a connecting sleeve and a sealing connecting groove; the first shell and the second shell are connected by a snap-fit assembly; the snap-fit assembly includes a clamping column and a clamping hole; one side of the first shell is evenly provided with clamping holes; one end of the second shell is evenly provided with clamping columns matching the clamping holes.
[0013] By adopting the above technical solution, the first shell and the second shell are used to protect the thermistor, and the clamping assembly including the clamping column and the clamping hole is used to complete the connection between the first shell and the second shell.
[0014] The utility model is further configured such that a connecting sleeve is provided on the top of the first shell and the second shell, and a sealing connecting groove matched with the sealing block is opened on the top of the connecting sleeve.
[0015] By adopting the above technical solution and utilizing the functions of the connecting sleeve and the sealing connecting groove, it is convenient to connect the wire sleeve rod and seal the sealing block to complete the work.
[0016] The utility model is further configured that the outer side of the metal shell is evenly provided with through grooves matched with the fourth heat conductor.
[0017] By adopting the above technical solution and utilizing the function of the through groove, it is convenient to ensure the normal use of the parts.
[0018] In summary, the utility model mainly has the following beneficial effects: the utility model connects the outer side of the first heat conductor to the second heat conductor through multiple groups of fourth heat conductors, and the multiple groups of second heat conductors are designed in a half circle, so that the contact area with the outside is greatly improved, and the first heat conductor, the second heat conductor, the third heat conductor and the fourth heat conductor are in an integrated plug-in structure, so that heat is transferred under the same medium, and then a placement groove is opened in the second heat conductor, and the placement groove is consistent with the shape of the thermistor, so as to maximize the heat transfer, thereby ensuring that the temperature sensing speed of the thermistor is accelerated and the measurement accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the heat conduction component of the utility model;
[0022] Figure 4 This is a schematic diagram of the metal shell structure of the utility model.
[0023] In the figure: 1. wire sleeve rod; 2. thermistor; 3. metal shell; 4. connecting sleeve; 5. sealing connection groove; 6. sealing block; 7. first heat conductor; 8. second heat conductor; 9. through groove; 10. placement groove; 11. third heat conductor; 12. fourth heat conductor. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0025] The following describes an embodiment of the utility model based on its overall structure.
[0026] A temperature sensor for air conditioning, such as Figure 1-4As shown, it includes a wire sleeve rod 1 and a metal shell 3, one end of the wire sleeve rod 1 is connected to a thermistor 2, and a heat-conducting component matched with the thermistor 2 is arranged inside and outside the metal shell 3. The heat-conducting component includes a first heat conductor 7, a second heat conductor 8, a third heat conductor 11, a fourth heat conductor 12 and a placement groove 10. The first heat conductor 7 is attached to the inside of the metal shell 3, and multiple groups of second heat conductors 8 are evenly arranged on the outside of the metal shell 3. The fourth heat conductor 12 is arranged between the first heat conductor 7 and the second heat conductor 8. The top of the metal shell 3 is provided with a third heat conductor 11 matched with the second heat conductor 8, and the first heat conductor 7 is provided with a placement groove 10.
[0027] See also Figure 2 A wire connected to the thermistor 2 is arranged inside the wire sleeve rod 1, and the function of the wire is utilized to ensure the normal use of the parts. Through grooves 9 that cooperate with the fourth heat conductor 12 are evenly opened on the outside of the metal shell 3. The function of the through grooves 9 is utilized to ensure the normal use of the parts.
[0028] See also Figure 2 A sealing block 6 matching with the metal shell 3 is arranged on the outside of the wire sleeve rod 1. The sealing block 6 is used to ensure the sealing of the parts and avoid internal leakage, thereby completing the work.
[0029] See also Figure 2 The metal shell 3 includes a first shell and a second shell, a connecting sleeve 4 and a sealing connecting groove 5. The first shell and the second shell are connected by a snap-fit assembly. The first shell and the second shell are used to protect the thermistor 2. The snap-fit assembly includes a clamping column and a clamping hole. The clamping holes are evenly opened on one side of the first shell, and clamping columns matching the clamping holes are evenly set at one end of the second shell. The clamping assembly includes the clamping column and the clamping hole to facilitate the connection between the first shell and the second shell.
[0030] See also Figure 2 A connecting sleeve 4 is provided at the top of the first shell and the second shell, and a sealing connecting groove 5 matched with the sealing block 6 is opened on the top of the connecting sleeve 4. By utilizing the function of the connecting sleeve 4 and the sealing connecting groove 5, it is convenient to connect the wire sleeve rod 1 and seal the sealing block 6 to complete the work.
[0031] See also Figure 4 The second heat conductor 8 and the fourth heat conductor 12 are fixedly connected, and the fourth heat conductor 12 and the first heat conductor 7, and the second heat conductor 8 and the third heat conductor 11 are connected through plug-in components. The above structure facilitates disassembly and installation.
[0032] The working principle of the utility model is as follows: when in use, firstly, the first shell and the second shell in the metal shell 3 are mutually engaged and connected, and then before the engagement, the first heat conductor 7 is placed in the metal shell 3, and then the thermistor 2 is placed in the placement groove 10 in the first heat conductor 7, and then the wire is connected to the thermistor 2, and the wire is led out along the guide sleeve rod 1, and then the outer side is placed, and then the first shell and the second shell are synthesized into the metal shell 3 by the engagement piece, so as to complete the connection, and then the connecting sleeve 4 and the sealing connection groove 5 and the sealing block 6 are used to form a seal between the guide sleeve rod 1 and the metal shell 3, and the sealing work is completed;
[0033] Afterwards, multiple groups of second heat conductors 8 and fourth heat conductors 12 are connected to the first heat conductor 7 through plug-in components to complete the connection, and the third heat conductor 11 and multiple groups of second heat conductors 8 are also connected through plug-in components, so that the first heat conductor 7, the second heat conductor 8, the third heat conductor 11 and the fourth heat conductor 12 are in an integrated plug-in structure, so that heat is transferred under the same medium, and then a placement groove 10 is opened in the second heat conductor 8, and the placement groove 10 is consistent in shape with the thermistor 2, so as to maximize the heat transfer, thereby ensuring that the temperature sensing speed of the thermistor 2 is accelerated and the measurement accuracy is high.
[0034] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. A temperature sensor for an air conditioner, comprising a wire sleeve rod (1) and a metal housing (3), characterized in that: One end of the wire sleeve rod (1) is connected to a thermistor (2); a heat-conducting component matching the thermistor (2) is arranged inside and outside the metal shell (3); the heat-conducting component comprises a first heat conductor (7), a second heat conductor (8), a third heat conductor (11), a fourth heat conductor (12) and a placement groove (10); the first heat conductor (7) is bonded to the inside of the metal shell (3); a plurality of groups of second heat conductors (8) are evenly arranged on the outside of the metal shell (3); a fourth heat conductor (12) is arranged between the first heat conductor (7) and the second heat conductor (8); a third heat conductor (11) matching the second heat conductor (8) is arranged on the top of the metal shell (3); and a placement groove (10) is provided inside the first heat conductor (7).
2. The temperature sensor for air conditioning according to claim 1, characterized in that: A wire connected to the thermistor (2) is arranged inside the wire sleeve rod (1).
3. The temperature sensor for air conditioning according to claim 1, characterized in that: A sealing block (6) matching with the metal shell (3) is arranged on the outer side of the wire sleeve rod (1).
4. The temperature sensor for air conditioning according to claim 1, characterized in that: The metal shell (3) comprises a first shell and a second shell, a connecting sleeve (4) and a sealing connecting groove (5); the first shell and the second shell are connected via a snap-fit assembly; the snap-fit assembly comprises a snap post and a snap hole; the snap holes are evenly arranged on one side of the first shell, and the snap posts matching the snap holes are evenly arranged on one end of the second shell.
5. The temperature sensor for air conditioning according to claim 4, characterized in that: A connecting sleeve (4) is provided on the top of the first shell and the second shell, and a sealing connecting groove (5) matching with a sealing block (6) is provided on the top of the connecting sleeve (4).
6. The temperature sensor for air conditioning according to claim 1, characterized in that: Through grooves (9) matching with the fourth heat conductor (12) are evenly formed on the outer side of the metal shell (3).