CN218673988U - Temperature sensor, temperature detection assembly and air conditioner - Google Patents

Abstract

The utility model provides a temperature sensor, temperature detect subassembly and air conditioner relates to air conditioner technical field, for the easy problem design that drops of probe body that solves temperature control sensor. Temperature sensor includes the probe body, and the one end of probe body is connected with the wire, and the cover is equipped with the installation cap on the wire, and the installation cap is equipped with fixed connection portion and through-hole portion, fixed connection portion configure into with control by temperature change seat fixed connection, the wire passes through-hole portion, the internal diameter of through-hole portion is less than the external diameter of probe body. The utility model provides a temperature sensor can improve the reliability of probe body installation.

Description

Temperature sensor, temperature detection assembly and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a temperature sensor and air conditioner.

Background

The temperature sensor is a sensor for converting a temperature signal into an electrical signal, and is widely applied to a pipeline 99 and a heat exchanger to detect the system temperature or the temperature of the heat exchanger, so as to analyze the system operation condition and protect important components such as a compressor and the like when the system is abnormally operated.

Fig. 1 is a schematic structural view of a temperature sensor installed in a pipeline according to the background art of the present invention; as shown in fig. 1, the conventional temperature sensor is fixed by using a probe snap spring 11, the probe snap spring 11 is firstly inserted into a fixed seat 13, then a temperature sensing probe 12 is inserted into the fixed seat 13, and the temperature sensing probe 12 is pressed by using a backward extrusion force generated by the deformation of the probe snap spring 11.

However, this fixing method has the following disadvantages: 1. when the unit operates, the sensor lead 22 is pulled by vibration, which easily causes the temperature sensing probe 12 to be pulled out; 2. the cylindrical surface of the temperature sensing probe 12 is not in 100% contact with the inner wall of the fixed seat 13, and theoretically, the cylindrical surface is in line contact, although the actual contact area is slightly larger than the contact area of the line contact, the actual contact area is still smaller, and the sensed temperature is deviated from the actual temperature; 3. fig. 2 is a schematic structural view of a clamp spring in the background art of the present invention; as shown in fig. 2, the probe clamp spring 11 is an independent part and is easily lost during maintenance.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a temperature sensor to the technical problem who easily drops of probe body of solving current temperature control sensor.

The utility model provides a temperature sensor, including the probe body, the one end of probe body is connected with the wire, the cover is equipped with the installation cap on the wire, the installation cap is equipped with fixed connection portion and through-hole portion, fixed connection portion configuration is for with control by temperature change seat fixed connection, the wire passes through hole portion, through hole portion's internal diameter is less than the external diameter of probe body.

The utility model discloses beneficial effect that temperature sensor brought is:

through set up fixed connection portion and control by temperature change seat fixed connection on the installation cap, can realize the reliable fixed connection of installation cap and control by temperature change seat, set up the through-hole portion that the internal diameter is less than probe body external diameter on the installation cap, can restrict the maximum distance that the probe body removed to one side of installation cap to when installation cap is fixed with the control by temperature change seat, also can prevent that the probe body from breaking away from the control by temperature change seat, thereby improved the reliability of installing the probe body on the control by temperature change seat. Even if the lead of the temperature sensor is pulled, the probe body cannot be separated from the temperature control seat.

In a preferred embodiment, the fixing connection portion includes an internal thread portion configured to be screwed with an external thread portion of the temperature control seat.

Through setting up internal thread portion to be connected with the external thread portion of control by temperature change seat, can realize turning into rectilinear motion with the rotation, at the in-process of rotatory installation cap, can realize sending into the control by temperature change seat with the probe body is further, and when meetting the hindrance, can stop at any axial position, and realize with the fixed connection of control by temperature change seat. Moreover, the threaded connection has the self-locking property, and the probe body cannot fall off even if the wire is pulled and shaken as long as the mounting cap is not rotated after the threaded connection.

In a preferred embodiment, the outer peripheral surface of the mounting cap is provided with a torque application portion.

Apply the portion through setting up the moment of torsion, be convenient for apply the moment of torsion to fixed connection portion to drive the fixed portion rotation of applying and realize threaded connection, lock the probe body.

In a preferred technical scheme, a sheath is fixedly sleeved on the lead, the through hole part of the mounting cap is positioned between the sheath and the probe body, and the outer diameter of the sheath is larger than the inner diameter of the through hole part.

Through setting up the sheath, not only can protect the wire, the external diameter of sheath is greater than the internal diameter of through-hole portion moreover, so when the installation cap is pulled down from the control by temperature change seat, the installation cap can stop when the terminal surface of installation cap and the terminal surface butt of sheath along the wire landing, and the installation cap can not lose.

In an optimal technical scheme, a step through hole is formed in one side face, facing the probe body, of the mounting cap, the step end face of the step through hole is a conical surface, and the conical surface is gradually reduced along the direction deviating from the probe body.

By arranging the conical surface as the step end surface, the conical surface can generate a self-positioning effect in the process of propelling the probe body into the temperature control seat. Along with the overlap portion increase of fixed connection portion and control by temperature change seat, the probe body is adjusted well gradually for control by temperature change seat to improve the concentricity of the two, and then be favorable to improving the contact effect of probe body for control by temperature change seat.

A second object of the utility model is to provide a temperature measuring subassembly to the technical problem that the probe body of solving temperature control sensor easily drops.

The utility model provides a temperature detection subassembly, temperature detection subassembly includes temperature control seat and the temperature sensor of above-mentioned arbitrary, the one end configuration of temperature control seat with fixed connection portion fixed connection.

By arranging the temperature sensor in the temperature detection assembly, the air conditioner has all the advantages of the temperature sensor correspondingly, and the detailed description is omitted.

In a preferred technical scheme, one end of the temperature control seat is provided with an external thread part, and the external thread part is configured to be in threaded connection with an internal thread part arranged on the mounting cap.

Through setting up internal thread portion to be connected with the external thread portion of control by temperature change seat, can realize turning into rectilinear motion with the rotation, at the in-process of rotatory installation cap, can realize sending into the control by temperature change seat with the probe body is further, and when meetting the hindrance, can stop at any axial position, and realize with the fixed connection of control by temperature change seat. Moreover, the threaded connection has the self-locking property, and the probe body cannot fall off even if the lead is pulled and shaken as long as the mounting cap is not rotated after the threaded connection.

In a preferred technical solution, the temperature control base has an accommodating hole, the probe body is configured to penetrate into the accommodating hole, and an outer diameter of the probe body is consistent with an inner diameter of the accommodating hole.

The inner diameter of the accommodating hole is set to be consistent with the outer diameter of the probe body, the probe body is arranged in the accommodating hole, so that the shaking can be reduced, the mounting stability is improved, in addition, the inner peripheral surface of the accommodating hole and the outer peripheral surface of the probe body are in full-circle contact, the line contact in the background technology can be changed into surface contact, the contact area is increased, and the temperature measurement sensitivity and precision of the temperature control probe are improved.

In a preferred technical scheme, the inner wall of the accommodating hole at the end deviating from the mounting cap is provided with a positioning protrusion, and the positioning protrusion is configured to abut against the end, deviating from the mounting cap, of the probe body.

Set up the location arch, be favorable to sending into the in-process of accommodation hole with the probe body, the extreme position of restriction probe body motion to it is fixed with the probe body jointly with the installation cap, improves the firm degree of installation of probe body.

A third object of the present invention is to provide an air conditioner to solve the technical problem that the probe body of the temperature control sensor is easy to drop.

The utility model provides an air conditioner, air conditioner include pipeline and foretell temperature detect subassembly, the pipeline with control by temperature change seat fixed connection.

By arranging the temperature sensor in the air conditioner, the air conditioner has all the advantages of the temperature sensor, and the detailed description is omitted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the background art of the present invention, the drawings required to be used in the description of the embodiments or the background art will be briefly introduced below, it is obvious that the drawings in the description below are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a temperature sensor installed in a pipeline according to the background art of the present invention;

fig. 2 is a schematic structural diagram of a clamp spring in the background art of the present invention;

fig. 3 is a schematic structural diagram of a temperature sensor according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mounting cap in a temperature sensor according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a temperature detecting assembly according to a second embodiment of the present invention;

fig. 6 is a perspective cross-sectional view of a temperature detecting assembly provided by the second embodiment of the present invention;

fig. 7 is a schematic structural view illustrating that the temperature control seat of the temperature detecting assembly according to the second embodiment of the present invention is fixedly connected to the pipeline;

fig. 8 is a schematic state diagram of the temperature detecting assembly according to the second embodiment of the present invention in the assembling process.

Description of reference numerals:

11-probe clamp spring; 12-a temperature sensing probe; 13-a fixed seat;

20-a temperature sensor; 21-probe body; 22-a wire; 23-a sheath; 24-mounting a cap; 241-a fixed connection; 242-a via portion; 243-internal thread part; 244-torque application; 25-a plug-in terminal;

30-temperature control seat; 31-a sleeve portion; 32-an external threaded portion; 33-a receiving hole; 34-a positioning projection; 35-a fixed part;

99-pipeline.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The first embodiment is as follows:

fig. 3 is a schematic structural diagram of a temperature sensor according to an embodiment of the present invention. As shown in fig. 3, the first embodiment of the present invention provides a temperature sensor 20, including probe body 21, probe body 21's one end is connected with wire 22, and the cover is equipped with mounting cap 24 on wire 22, and mounting cap 24 is equipped with fixed connection portion 241 and through-hole portion 242, and fixed connection portion 241 configures into with control by temperature change seat 30 fixed connection, and wire 22 passes through-hole portion 242, and the internal diameter of through-hole portion 242 is less than probe body 21's external diameter.

Through set up fixed connection portion 241 and control by temperature change seat 30 fixed connection on installation cap 24, can realize the reliable fixed connection of installation cap 24 and control by temperature change seat 30, set up the through-hole portion 242 that the internal diameter is less than probe body 21 external diameter on installation cap 24, can restrict the maximum distance that probe body 21 removed to one side of installation cap 24, thereby when installation cap 24 is fixed with control by temperature change seat 30, also can prevent that probe body 21 from breaking away from control by temperature change seat 30, thereby improved and installed the reliability on control by temperature change seat 30 with probe body 21. Even if the lead wire 22 of the temperature sensor 20 is pulled, the probe body 21 does not come out of the temperature control holder 30.

Besides the threaded connection manner described later, in another implementation manner, the connection between the fixed connection portion 241 and the temperature control base 30 may also adopt a form of clamping, for example, a clamping tongue is provided on the fixed connection portion 241, a clamping groove or a clamping hole is provided on the temperature control base 30, and the requirement that the lead 22 is pulled and the probe body 21 can still be located in the temperature controller can also be met.

Fig. 4 is a schematic structural diagram of a mounting cap in a temperature sensor according to an embodiment of the present invention; fig. 6 is a perspective cross-sectional view of a temperature detecting assembly provided in the second embodiment of the present invention; as shown in fig. 4 and referring to fig. 6, the fixing connection portion 241 preferably includes an internal thread portion 243, and the internal thread portion 243 is preferably disposed to be screwed with the external thread portion 32 of the temperature-controlled seat 30.

In the present embodiment, the mounting cap 24 has a large outer diameter portion and a small outer diameter portion, the large outer diameter portion is a portion of the mounting cap 24 facing the probe body 21, and the small outer diameter portion is a portion of the mounting cap 24 facing away from the probe body 21. The outer peripheral surfaces of the large and small outer diameter portions are not particularly limited to be cylindrical surfaces, circular truncated surfaces, or conical surfaces, but only illustrate relative sizes of dimensions in a direction perpendicular to the length direction of the lead 22. The fixed connection portion 241 is located at the large outer diameter portion. The through hole portion 242 is located at the small outer diameter portion.

By providing the internal thread portion 243 to connect with the external thread portion 32 of the temperature control seat 30, the rotation can be converted into linear motion, the probe body 21 can be further conveyed into the temperature control seat 30 in the process of rotating the mounting cap 24, and the probe can be stopped at any axial position when being obstructed, and the fixed connection with the temperature control seat 30 can be realized. Moreover, the threaded connection has a self-locking property, and the probe body 21 cannot fall off even if the lead 22 is pulled and shaken as long as the mounting cap 24 is not rotated after the threaded connection.

As shown in fig. 4, the outer circumferential surface of the mounting cap 24 is preferably provided with a torque applying portion 244.

Specifically, in the present embodiment, the torque applying portion 244 is a regular polygon. More specifically, it may be a regular pentagon. In other implementations, the torque application portion 244 may also be a regular polygon of other shapes, such as a regular triangle, square, regular hexagon, regular octagon, etc., or a rectangle, trapezoid, etc. having two opposing parallel sides. Alternatively, torque application may be facilitated by elements other than the shape, for example, knurling may be provided on the outer peripheral surface of the mounting cap 24, or circumferentially distributed ribs extending in the longitudinal direction of the guide.

Through setting up the portion 244 is applyed to the moment of torsion, be convenient for exert the moment of torsion to fixed connecting portion 241 to drive the fixed portion of applying rotation and realize threaded connection, so as to lock probe body 21.

As shown in fig. 3, it is preferable that the lead wire 22 is fixedly fitted over the sheath 23, the through hole portion 242 of the mounting cap 24 is located between the sheath 23 and the probe body 21, and the outer diameter of the sheath 23 is larger than the inner diameter of the through hole portion 242.

Wherein the sheath 23 is arranged at a position between the plug terminal 25 of the wire 22 and the mounting cap 24. The through hole portion 242 of the mounting cap 24 is located at the small outer diameter portion described above. How to realize the sheath 23 on the lead 22 belongs to the prior art of those skilled in the art, and the description of the present application is omitted.

By providing the sheath 23, the lead wire 22 can be protected, and since the outer diameter of the sheath 23 is larger than the inner diameter of the through hole portion 242, when the mounting cap 24 is detached from the temperature-controlled socket 30, the mounting cap 24 can be stopped when the mounting cap 24 slides down along the lead wire 22 until the end surface of the mounting cap 24 abuts against the end surface of the sheath 23, and the mounting cap 24 is not lost.

As shown in fig. 6, preferably, a stepped through hole is formed in a side surface of the mounting cap 24 facing the probe body 21, and a stepped end surface of the stepped through hole is a tapered surface which is gradually reduced in a direction away from the probe body 21.

Specifically, in this embodiment, the circumferential surface of the larger inner diameter portion of the stepped through hole is the internal thread portion 243, the smaller inner diameter portion of the stepped through hole is the through hole portion 242 for being fitted over the lead wire 22, and the stepped end surface is the end surface of the mounting cap 24 facing the probe body 21.

By arranging the conical surface as a step end surface, the conical surface can generate a self-positioning effect in the process of pushing the probe body 21 into the temperature control base 30. Along with the increase of the overlapping part of the fixing connection part 241 and the temperature control base 30, the probe body 21 is gradually aligned with respect to the temperature control base 30, so as to improve the concentricity of the fixing connection part 241 and the temperature control base 30, thereby being beneficial to improving the contact effect of the probe body 21 with respect to the temperature control base 30.

Example two:

fig. 5 is a schematic structural diagram of a temperature detecting assembly according to a second embodiment of the present invention; as shown in fig. 5 and 6, in the second embodiment, a temperature detecting assembly is provided, which includes a temperature control base 30 and the temperature sensor 20 of any one of the above embodiments, and one end of the temperature control base 30 is configured to be fixedly connected to the fixing connection portion 241.

Wherein the temperature-controlled socket 30 comprises a fixing part 35 for fixedly mounting on the pipeline 99, in addition to the sleeve part 31 for mounting the temperature-controlled probe.

By providing the temperature sensor 20 in the temperature detecting assembly, the air conditioner has all the advantages of the temperature sensor 20, and therefore, the detailed description thereof is omitted.

Fig. 7 is a schematic structural view illustrating that the temperature control seat of the temperature detecting assembly according to the second embodiment of the present invention is fixedly connected to the pipeline; as shown in fig. 6 and 7, preferably, the temperature-controlled seat 30 has an external thread portion 32 provided at one end thereof, and the external thread portion 32 is disposed to be screwed with an internal thread portion 243 provided in the mounting cap 24.

By providing the internal thread portion 243 to connect with the external thread portion 32 of the temperature control seat 30, the rotation can be converted into linear motion, the probe body 21 can be further conveyed into the temperature control seat 30 in the process of rotating the mounting cap 24, and the probe can be stopped at any axial position when being obstructed, and the fixed connection with the temperature control seat 30 can be realized. Moreover, the threaded connection has a self-locking property, and the probe body 21 cannot fall off even if the lead 22 is pulled and shaken as long as the mounting cap 24 is not rotated after the threaded connection.

As shown in fig. 6, it is preferable that the temperature controlled base 30 has a receiving hole 33, the probe body 21 is disposed to penetrate into the receiving hole 33, and an outer diameter of the probe body 21 coincides with an inner diameter of the receiving hole 33.

The inner diameter of the accommodating hole 33 is set to be consistent with the outer diameter of the probe body 21, the probe body 21 is arranged in the accommodating hole 33, so that the shaking can be reduced, the mounting stability is improved, in addition, the inner peripheral surface of the accommodating hole 33 and the outer peripheral surface of the probe body 21 are in full-circle contact, the line contact in the background technology can be changed into surface contact, the contact area is increased, and the temperature measurement sensitivity and precision of the temperature control probe are improved.

Fig. 8 is a schematic state diagram of a temperature detection assembly according to a second embodiment of the present invention during an assembly process; as shown in fig. 6 to 8, the receiving hole 33 is preferably provided with a positioning projection 34 on an inner wall of an end facing away from the mounting cap 24, and the positioning projection 34 is configured to abut against an end of the probe body 21 facing away from the mounting cap 24.

Specifically, in the present embodiment, the positioning projections 34 are two opposing positioning projections 34 provided in a radial direction at a certain axial position of the receiving hole 33, and the positioning projections 34 may be hemispherical.

The positioning projection 34 is provided to facilitate limiting of the extreme position of movement of the probe body 21 during the process of feeding the probe body 21 into the receiving hole 33, and to fix the probe body 21 together with the mounting cap 24, thereby improving the mounting firmness of the probe body 21.

Example three:

in the air conditioner provided by the third embodiment, the air conditioner includes the pipeline 99 and the temperature detecting assembly, and the pipeline 99 is fixedly connected with the temperature control base 30.

Specifically, the pipeline 99 may be a pipeline 99 of a heat exchanger such as a condenser or an evaporator, or a pipeline 99 between various components of an air conditioner, and the temperature-controlled base 30 may be connected to the pipeline 99 of the heat exchanger by brazing or the like.

By providing the temperature sensor 20 in the air conditioner, the air conditioner has all the advantages of the temperature sensor 20, and the description thereof is omitted.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In the above embodiments, the descriptions of the orientations such as "up", "down", and the like are based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a temperature sensor (20), its characterized in that, includes probe body (21), the one end of probe body (21) is connected with wire (22), the cover is equipped with installation cap (24) on wire (22), installation cap (24) are equipped with fixed connection portion (241) and through-hole portion (242), fixed connection portion (241) configure into with control by temperature change seat (30) fixed connection, wire (22) pass through-hole portion (242), the internal diameter of through-hole portion (242) is less than the external diameter of probe body (21).

2. The temperature sensor (20) of claim 1, wherein the fixed connection (241) includes an internally threaded portion (243), the internally threaded portion (243) configured to threadably couple with an externally threaded portion (32) of the temperature controlled base (30).

3. The temperature sensor (20) of claim 2, wherein an outer peripheral surface of said mounting cap (24) is provided with a torque application portion (244).

4. The temperature sensor (20) according to any one of claims 1 to 3, wherein a sheath (23) is fixedly attached to the lead wire (22), a through hole portion (242) of the mounting cap (24) is located between the sheath (23) and the probe body (21), and an outer diameter of the sheath (23) is larger than an inner diameter of the through hole portion (242).

5. The temperature sensor (20) according to any one of claims 1 to 3, wherein a side of the mounting cap (24) facing the probe body (21) is provided with a stepped through hole, and a stepped end surface of the stepped through hole is a tapered surface which is gradually reduced in a direction away from the probe body (21).

6. A temperature detection assembly, characterized in that the temperature detection assembly comprises a temperature controlled seat (30) and a temperature sensor (20) according to any one of claims 1-5, one end of the temperature controlled seat (30) being configured to be fixedly connected with the fixed connection portion (241).

7. The temperature sensing assembly of claim 6, wherein one end of the temperature-controlled base (30) is provided with an externally threaded portion (32), the externally threaded portion (32) being configured to be threadedly coupled with an internally threaded portion (243) provided on the mounting cap (24).

8. The temperature detection assembly according to claim 6 or 7, wherein the temperature controlled base (30) has a receiving hole (33), the probe body (21) is configured to penetrate into the receiving hole (33), and an outer diameter of the probe body (21) coincides with an inner diameter of the receiving hole (33).

9. The temperature detection assembly according to claim 8, wherein the receiving hole (33) is provided with a positioning protrusion (34) on an inner wall of an end facing away from the mounting cap (24), the positioning protrusion (34) being configured to abut against an end of the probe body (21) facing away from the mounting cap (24).

10. An air conditioner, characterized in that the air conditioner comprises a pipeline (99) and the temperature detection assembly of any one of claims 6-9, wherein the pipeline (99) is fixedly connected with the temperature control base (30).

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