CN217235864U

CN217235864U - PTC subassembly and air conditioner

Info

Publication number: CN217235864U
Application number: CN202220225105.7U
Authority: CN
Inventors: 成日雄
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-19
Anticipated expiration: 2032-01-26

Abstract

According to the PTC component and the air conditioner, the waterproof connecting support is arranged at one end of the heating body of the PTC component and comprises a support body and a sealing cover plate, an opening matched with the sealing cover plate is formed in the support body, and the sealing cover plate is matched with the support body, so that the waterproof connecting support has a waterproof function; through set up the hole of dodging in one side of support body, the wire passes and dodges the hole and stretches into in waterproof linking bridge, is connected with the heat-generating body electricity. From this, guaranteed the waterproof nature of heat-generating body and wire junction, improved the security and the life of PTC subassembly, avoided the PTC subassembly electric leakage, caused the condition emergence of incident.

Description

PTC subassembly and air conditioner

Technical Field

The disclosure relates to the technical field of PTC assembly waterproofing, in particular to a PTC assembly and an air conditioner.

Background

The PTC heater is generally installed in an air conditioner to perform electric heating during heating of the air conditioner. In the conventional PTC heater, when the PTC heater is connected to a power supply line, the PTC heater is usually directly connected without performing a sealing insulation treatment. Thus, if the PTC heater operates in a humid environment, for example, when an air conditioner dehumidifies, external moisture may enter the connection between the PTC heater and the power line, thereby causing leakage of electricity from the PTC heater and causing a safety accident.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the same, the present disclosure provides a PTC assembly and an air conditioner.

The present disclosure provides a PTC assembly comprising a heating body and a waterproof connecting bracket; the waterproof connecting support is arranged at one end of the heating body, and a lead penetrates through the waterproof connecting support to be connected with the heating body;

the waterproof connecting support comprises a support body and a sealing cover plate, the support body is provided with an opening matched with the sealing cover plate, the sealing cover plate covers the opening, one side of the support body is provided with a avoiding hole, and the lead penetrates through the avoiding hole to extend into the waterproof connecting support and is electrically connected with the heating body.

Optionally, the bracket body includes a connecting portion and a waterproof portion, the connecting portion is connected to the heating element, the waterproof portion is disposed on a side of the connecting portion away from the heating element, and the opening on the bracket body is disposed on the waterproof portion.

Optionally, the waterproof portion and the sealing cover both include a bottom plate and a baffle, and the baffle is disposed around an edge of the bottom plate and perpendicular to the bottom plate;

the bottom plate on the waterproof portion with the baffle is around forming and holding the cavity, dodge the hole setting and be in waterproof portion one side on the baffle.

Optionally, the waterproof portion includes a first waterproof strip, the first waterproof strip is disposed in the accommodating cavity, the first waterproof strip divides the accommodating cavity into a first cavity and a second cavity, the first cavity is close to the connecting portion, and the second cavity is far away from the connecting portion.

Optionally, be equipped with on the first waterproof strip and dodge the groove, dodge the bottom in groove with the bottom plate has the interval, the wire passes in proper order dodge the hole with dodge the groove, and with the heat-generating body electricity is connected.

Optionally, the avoiding groove and the avoiding hole are arranged in a staggered mode, and the conducting wire sequentially penetrates through the avoiding hole and the avoiding groove in a bent mode.

Optionally, a second waterproof strip matched with the first waterproof strip is arranged on the sealing cover plate, and the second waterproof strip is arranged on one side, facing the waterproof part, of the sealing cover plate and corresponds to the first waterproof strip in position.

Optionally, a positioning protrusion is arranged at an opening of the waterproof portion, and a positioning groove matched with the positioning protrusion is arranged on the sealing cover plate.

Optionally, a fixing hole is formed in the sealing cover plate, a threaded hole matched with the fixing hole is formed in the opening of the waterproof portion, and a screw penetrates through the fixing hole and the threaded hole to fix the sealing cover plate to the waterproof portion.

The present disclosure also provides an air conditioner including the above-mentioned PTC assembly.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the PTC component provided by the disclosure, the waterproof connecting support is arranged at one end of the heating body and comprises the support body and the sealing cover plate, the support body is provided with the opening matched with the sealing cover plate, and the waterproof connecting support has a waterproof function through the matching of the sealing cover plate and the support body; through set up the hole of dodging in one side of support body, the wire passes the hole of dodging and stretches into in the waterproof linking bridge, is connected with the heat-generating body electricity. From this, guaranteed the waterproof nature of heat-generating body and wire junction, improved the security and the life of PTC subassembly, avoided the PTC subassembly electric leakage, caused the condition emergence of incident.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of a PTC assembly according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a waterproof connection bracket according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a structure of a sealing cover according to an embodiment of the disclosure.

Wherein, 10, a heating element; 20. a waterproof connecting bracket; 21. a stent body; 22. sealing the cover plate; 221. a second waterproof strip; 222. a positioning groove; 223. a fixing hole; 23. avoiding holes; 24. a connecting portion; 25. a waterproof section; 251. a base plate; 252. a baffle plate; 253. a first waterproof strip; 254. an avoidance groove; 255. positioning a projection; 256. a threaded hole; 261. a first cavity; 262. a second cavity; 30. and (4) conducting wires.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

The present disclosure provides a PTC assembly, as shown in fig. 1 to 3, including a heating body 10 and a waterproof connecting bracket 20. Waterproof linking bridge 20 sets up the one end at heat-generating body 10, and waterproof linking bridge 20 is used for being connected wire 30 and heat-generating body 10, carries out water repellent with the junction of wire 30 and waterproof linking bridge 20 simultaneously, avoids external moisture to get into, leads to the condition emergence of PTC subassembly electric leakage.

Waterproof linking bridge 20 includes support body 21 and sealed apron 22, is equipped with on the support body 21 with sealed apron 22 complex opening, sealed apron 22 lid closes at the opening part for sealed apron 22 and support body 21 mutually support, make waterproof linking bridge 20 wholly be sealed state.

One side of the bracket body 21 is provided with an avoidance hole 23, and the lead 30 passes through the avoidance hole 23 to extend into the waterproof connecting bracket 20 and is electrically connected with the heating element 10.

According to the PTC component provided by the disclosure, the waterproof connecting bracket 20 is arranged at one end of the heating body 10, the waterproof connecting bracket 20 comprises the bracket body 21 and the sealing cover plate 22, the bracket body 21 is provided with the opening matched with the sealing cover plate 22, and the waterproof connecting bracket 20 has a waterproof function through the matching of the sealing cover plate 22 and the bracket body 21; by providing the avoiding hole 23 at one side of the bracket body 21, the lead 30 passes through the avoiding hole 23 and extends into the waterproof connecting bracket 20, and is electrically connected with the heating body 10. Therefore, the waterproof performance of the joint of the heating body 10 and the lead 30 is ensured, the safety and the service life of the PTC component are improved, and the condition that the PTC component leaks electricity to cause safety accidents is avoided.

As shown in fig. 2, the holder body 21 includes a connection portion 24 for connecting the lead wire 30 and the heating element 10, and a waterproof portion 25 for preventing moisture from the outside from entering the connection portion 24. The connecting part 24 is connected with the heating element 10, the waterproof part 25 is arranged on one side of the connecting part 24 far away from the heating element 10, the opening on the bracket body 21 is arranged on the waterproof part 25, and the sealing cover plate 22 covers the opening of the waterproof part 25.

Further, the escape hole 23 is also provided in the baffle 252 outside the waterproof portion 25, and the lead wire 30 passes through the escape hole 23, passes through the waterproof portion 25, passes through the connection portion 24, and is connected to the heating element 10.

The waterproof portion 25 includes a bottom plate 251 and a baffle 252, the bottom plate 251 is formed by extending the bottom plate 251 of the connecting portion 24, and the baffle 252 is disposed around an edge of the bottom plate 251 and perpendicular to the bottom plate 251, such that the bottom plate 251 and the baffle 252 surround to form a receiving cavity. The avoiding hole 23 is formed in the baffle 252 on the side away from the connecting portion 24.

Meanwhile, the sealing cover 22 also includes a base plate 251 and a baffle 252, and the baffle 252 is disposed at one side of the base plate 251 and is disposed perpendicularly with respect to the base plate 251. When the sealing cover 22 is fitted over the waterproof portion 25, the end surface of the baffle 252 of the sealing cover 22 and the end surface of the baffle 252 of the waterproof portion 25 are bonded to each other and abut against each other, thereby sealing the waterproof portion 25.

Preferably, flashing 25 further includes a first flashing strip 253, first flashing strip 253 being disposed in the receiving cavity formed by base plate 251 and flap 252. Both ends of the first waterproof strip 253 are respectively connected with the baffles 252 at both sides of the waterproof part 25, the bottom of the first waterproof strip 253 is connected with the bottom of the waterproof part 25, and the top of the first waterproof strip 253 is flush with the top of the baffles 252, so that the first waterproof strip 253 divides the accommodating cavity into a first cavity 261 and a second cavity 262, wherein the first cavity 261 refers to a cavity at a side close to the connecting part 24, and the second cavity 262 refers to a cavity at a side far from the connecting part 24.

Be equipped with on the first waterproof strip 253 and dodge groove 254, dodge the top of groove 254 opening towards first waterproof strip 253, dodge the bottom of groove 254 and have a certain distance with bottom plate 251 to even make after aqueous solution enters into second cavity 262, owing to dodge the bottom of groove 254 and have a certain distance with bottom plate 251, so aqueous solution also can not enter into first cavity 261 through dodging groove 254, thereby guaranteed that aqueous solution can not enter into first cavity 261 and connecting portion 24.

Further, the avoiding groove 254 and the avoiding hole 23 are arranged in a staggered manner, that is, the axis of the avoiding groove 254 and the axis of the avoiding hole 23 are not on the same line. The wire 30 sequentially passes through the avoiding hole 23 and the avoiding groove 254 by bending, and through the arrangement, even after external moisture passes through the avoiding hole 23 along the wire 30, the moisture cannot continuously pass through the avoiding groove 254 along the wire 30 due to the fact that the wire 30 is bent, and therefore the moisture is prevented from entering the first cavity 261.

Further, the sealing cover 22 is provided with a second waterproof strip 221 which is matched with the first waterproof strip 253, the second waterproof strip 221 is arranged on one side of the sealing cover 22 facing the waterproof part 25, and the second waterproof strip 221 corresponds to the position where the first waterproof strip 253 is arranged.

The two ends of the second waterproof strip 221 are respectively connected with the baffles 252 on the two sides of the sealing cover plate 22, the bottom of the second waterproof strip 221 is connected with the bottom of the sealing cover plate 22, and the top of the second waterproof strip 221 is flush with the top of the baffles 252 of the sealing cover plate 22. Therefore, after the sealing cover plate 22 is covered on the waterproof part 25, the first waterproof strip 253 and the second waterproof strip 221 abut against each other to completely divide the first cavity 261 and the second cavity 262, so that the waterproof effect of the waterproof part 25 can be further ensured, and the moisture in the second cavity 262 is prevented from entering the first cavity 261 or the connecting part 24.

Preferably, the bracket body 21 is further provided with a positioning protrusion 255, the sealing cover plate 22 is provided with a positioning groove 222 matched with the positioning protrusion 255, and the sealing cover plate 22 can be accurately positioned when being mounted on the bracket body 21 through the matching of the positioning protrusion 255 and the positioning groove 222.

The positioning protrusion 255 is specifically provided at a corner of the waterproof portion 25 of the bracket body 21, and the positioning groove 222 is provided at a corner of the side of the sealing cover 22 facing the bracket body 21.

The height of the positioning protrusion 255 and the cross-sectional shape of the positioning protrusion 255 may be set according to actual situations, and this embodiment is not particularly limited.

The number of the positioning protrusions 255 in this embodiment is two, and the two positioning protrusions 255 are respectively disposed at two corners of the waterproof portion 25 of the bracket body 21. Meanwhile, there are also two positioning grooves 222, and two positioning grooves 222 are provided at two corners of the sealing cover plate 22.

In other embodiments, the positioning protrusions 255 and the positioning grooves 222 can be disposed at other positions; the number of the positioning protrusions 255 and the positioning grooves 222 can be set according to the actual situation.

Preferably, the sealing cover 22 is further provided with a fixing hole 223, the opening of the waterproof portion 25 is provided with a threaded hole 256 matched with the fixing hole 223, and a screw is inserted into the fixing hole 223 and the threaded hole 256 to fix the sealing cover 22 to the opening of the waterproof portion 25. Specifically, the fixing hole 223 is disposed at a corner of the sealing cover 22 to prevent the fixing hole 223 from affecting the routing of the wire 30, and similarly, the threaded hole 256 is also disposed at a corner of the opening of the waterproof portion 25 and corresponds to the fixing hole 223.

Further, the fixing hole 223 is provided on a side of the first waterproof strip 253 away from the connecting portion 24 of the bracket body 21, and at the same time, the screw hole 256 is also provided on a side of the first waterproof strip 253 away from the connecting portion 24 of the bracket body 21.

Optionally, the fixing holes 223 and the threaded holes 256 are provided in plurality, and by providing a plurality of fixing holes 223 and threaded holes 256, the sealing cover plate 22 is fixed by a plurality of screws, so that the sealing performance between the sealing cover plate 22 and the bracket body 21 can be effectively ensured.

In other embodiments, the sealing cover 22 and the waterproof portion 25 of the bracket body 21 may be fixedly connected in a clamping direction, or may be fixedly connected by bonding.

The present disclosure provides an air conditioner including the above-mentioned PTC assembly. By arranging the PTC component on the air conditioner, the waterproof property of the joint of the heating body 10 and the lead 30 is ensured, the safety and the service life of the PTC component are improved, and the condition that the PTC component leaks electricity to cause safety accidents is avoided.

It is noted that, in this document, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. 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 disclosure. Thus, the present disclosure 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

1. A PTC component is characterized by comprising a heating body and a waterproof connecting bracket; the waterproof connecting support is arranged at one end of the heating body, and a lead penetrates through the waterproof connecting support to be electrically connected with the heating body;

the waterproof connecting support comprises a support body and a sealing cover plate, the support body is provided with an opening matched with the sealing cover plate, one side of the support body is provided with an avoiding hole, and the wire penetrates through the avoiding hole and extends into the waterproof connecting support and is electrically connected with the heating body.

2. The PTC assembly according to claim 1, wherein the bracket body includes a connecting portion connected to the heat generating body and a waterproof portion provided on a side of the connecting portion remote from the heat generating body, the opening in the bracket body being provided on the waterproof portion.

3. The PTC assembly of claim 2, wherein the flashing portion comprises a floor and a baffle plate disposed around the floor;

the bottom plate with the baffle is around forming and holds the cavity, dodge the hole setting and be in waterproof portion one side on the baffle.

4. The PTC assembly of claim 3, wherein the flashing further comprises a first flashing strip disposed in the receiving cavity, the first flashing strip dividing the receiving cavity into a first cavity and a second cavity, the first cavity being proximal to the connection portion and the second cavity being distal from the connection portion.

5. The PTC assembly according to claim 4, wherein an avoiding groove is formed in the first waterproof strip, a distance is formed between the bottom of the avoiding groove and the bottom plate, and the lead sequentially passes through the avoiding hole and the avoiding groove and is electrically connected to the heating element.

6. The PTC assembly according to claim 5, wherein the avoiding groove is staggered with the avoiding hole, and the conductive wire sequentially passes through the avoiding hole and the avoiding groove by bending.

7. The PTC assembly according to claim 4, wherein the sealing cover plate is provided with a second waterproof strip which is engaged with the first waterproof strip, and the second waterproof strip is provided on a side of the sealing cover plate facing the waterproof portion, corresponding to a position where the first waterproof strip is provided.

8. The PTC assembly according to claim 2, wherein a positioning protrusion is provided at the opening of the waterproof portion, and a positioning groove is provided on the sealing cover plate to be engaged with the positioning protrusion.

9. The PTC assembly according to claim 2, wherein the sealing cover plate is provided with a fixing hole, the opening of the waterproof portion is provided with a threaded hole engaged with the fixing hole, and a screw is inserted into the fixing hole and the threaded hole to fix the sealing cover plate to the waterproof portion.

10. An air conditioner comprising a PTC assembly according to any one of claims 1-9.