CN212057668U

CN212057668U - Explosion-proof box and air conditioner

Info

Publication number: CN212057668U
Application number: CN202020282800.8U
Authority: CN
Inventors: 李紫曦
Original assignee: GD Midea Air Conditioning Equipment Co Ltd
Current assignee: GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-12-01
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses an explosion-proof box and air conditioner. Explosion-proof box includes box body, lid and crosses the line installed part, and one side of box body is uncovered setting to having uncovered side, the box body still have with uncovered side adjacent lateral wall, set up the installing port that link up the box body inside and outside on the lateral wall, the lid can be installed in the box body with assembling, locates uncovered side with the lid, crosses the line installed part, detachably installs in the installing port, crosses and has seted up on the line installed part and cross the line hole. The utility model provides an explosion-proof box can wear out electronic device's circuit from crossing the line hole of line installed part earlier in the assembling process, puts into explosion-proof box with electronic device again to will cross the line installed part and install in the installing port, convenient operation, assembly efficiency is high, and owing to need not to draw forth the box body with the circuit root by root, requires lowly to operating space, makes the box body structure compacter.

Description

Explosion-proof box and air conditioner

Technical Field

The utility model relates to an air conditioner technical field, concretely relates to explosion-proof box and air conditioner.

Background

Electronic components (such as relays, ac contactors, circuit boards, etc.) are usually required in the air conditioner, and the electronic components may generate electric sparks during use. Many refrigerants used in the existing air conditioner have inflammable and explosive properties, for example, the R32 refrigerant commonly used at present has high inflammable property. After the air conditioner is used for a long time, the refrigerant agent can be leaked, and the refrigerant agent is easy to burn and even explode when meeting electric sparks generated by electric devices, so that the life and property safety of users is threatened.

Therefore, many air conditioners are provided with an explosion-proof box, electronic devices which can generate sparks are arranged in the explosion-proof box, and then circuits of the electronic devices are led out from wire passing holes formed in the explosion-proof box and are connected with external devices, so that the possibility of meeting of the sparks and the refrigerant is reduced, and the safety of the air conditioner is improved. However, in the assembly process of the air conditioner, since the electronic devices need to be placed into the explosion-proof box first and then the lines are led out one by one, the assembly efficiency is low, the required operation space is large, and the size of the explosion-proof box is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide an explosion-proof box with simple assembly and compact structure, and an air conditioner having the same.

The utility model provides an explosion-proof box, include:

the box body is provided with an opening at one side so as to be provided with an opening side, and is also provided with a side wall adjacent to the opening side, and the side wall is provided with a mounting opening penetrating through the inner side and the outer side of the box body;

a cover body fittably mounted to the case body to cover the open side; and the number of the first and second groups,

the wire passing mounting piece is detachably mounted in the mounting port, and a wire passing hole is formed in the wire passing mounting piece.

In one embodiment, the material of the wire passing installation part is flexible sealing material.

In one embodiment, the upper side of the box body is the open side, and the cover is installed above the box body.

In one embodiment, the upper side of the mounting opening is open to form an upward slot.

In one embodiment, a sealing ring is arranged between the cover body and the box body, a strip-shaped groove is formed in the upper side of the thread passing mounting piece, and the sealing ring is at least partially inserted into the strip-shaped groove.

In one embodiment, the box body is provided with a sealing ring mounting groove at the periphery of the opening, and the sealing ring mounting groove extends annularly and is communicated with two ends of the strip-shaped groove.

In one embodiment, the side wall is provided with a mounting wall extending from the side wall to the inner side and/or the outer side of the box body at the periphery of the mounting opening.

In an embodiment, the inner periphery of the mounting opening and the outer periphery of the wire passing mounting part are respectively provided with a rib and a groove, the rib and the groove are respectively provided with a plurality of channels and are mutually matched, and the rib and the groove respectively extend along the circumferential direction of the mounting opening, so that the rib is respectively inserted into the groove.

In one embodiment, the inner periphery of the mounting wall extends in an arc.

In one embodiment, the box body is provided with a bottom plate opposite to the open side, and the side wall and/or the outer side of the bottom plate are/is provided with fixing pieces for fixedly connecting with the air conditioner shell.

In an embodiment, a sealant is filled in the wire passing hole and/or between the wire passing installation piece and the installation opening.

The utility model also provides an air conditioner, include:

a housing; and the number of the first and second groups,

the explosion-proof box, the explosion-proof box is located in the shell.

In an embodiment, the air conditioner further comprises a relay and/or an alternating current contactor, the relay and/or the alternating current contactor are arranged in the explosion-proof box, and a line of the relay and/or the alternating current contactor penetrates through the line passing hole of the mounting part.

In one embodiment, the air conditioner is an integrated air conditioner.

In one embodiment, the air conditioner is a split air conditioner, the air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner indoor unit and the air conditioner outdoor unit are connected through a refrigerant pipe, and the explosion-proof box is arranged on the air conditioner outdoor unit.

The utility model provides an explosion-proof box includes box body, lid and crosses the line installed part, and one side of box body is uncovered setting to having uncovered side, the box body still has the lateral wall adjacent with uncovered side, set up the installing port that link up the box body inside and outside on the lateral wall, the lid can be installed in the box body with assembling, locates uncovered side with the lid, crosses the line installed part, detachably installs in the installing port, crosses and has seted up the line hole on the line installed part. The utility model provides an explosion-proof box can wear out the circuit of electron device from crossing the line installed part earlier in the assembling process, puts into explosion-proof box with electron device again to will cross the line installed part and install in the installing port, convenient operation, assembly efficiency is high, and owing to need not to draw forth the box body with the circuit root by root, requires lowly to operating space, makes the box body structure compacter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a three-dimensional structure diagram of an embodiment of an explosion-proof box provided by the present invention;

FIG. 2 is a front view of the explosion-proof enclosure of FIG. 1;

FIG. 3 is a side view of the explosion proof enclosure of FIG. 1;

FIG. 4 is a top plan view of the explosion-proof enclosure of FIG. 1 with the cover removed;

FIG. 5 is an exploded view of the explosion-proof enclosure of FIG. 2;

FIG. 6 is an exploded perspective view of the explosion-proof enclosure of FIG. 1;

FIG. 7 is a perspective view of the wire passing mount of FIG. 6;

fig. 8 is a perspective view of the wire passing mount of fig. 7 from another perspective.

The reference numbers illustrate:

the object of the present invention is to provide a novel and advantageous solution for the above mentioned problems.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an air conditioner, this air conditioner can be integral type air conditioner, also can be split type air conditioner, for example this air conditioner can be for removing air conditioner, wall-hanging air conditioner, cabinet air conditioner or window machine etc.. The air conditioner comprises a shell and an explosion-proof box arranged in the shell, wherein an electronic device 3 is arranged in the explosion-proof box. The electronic device 3 may comprise any device that may generate an electric spark, required in the air conditioner, such as a relay, an ac contactor, or a circuit board.

Specifically, when the air conditioner is an integrated air conditioner, the explosion-proof box is arranged in the shell of the integrated air conditioner. When the air conditioner is a split air conditioner, the air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit which are connected through refrigerant pipes, and the explosion-proof box is arranged in an outer shell of the air conditioner outdoor unit. Further, the housing of the air conditioner generally includes a bottom plate, and the explosion-proof box may be fixed to the bottom plate, and may also be fixed to the inner sidewall 10 of the housing, so as to ensure the stability of the explosion-proof box. The explosion-proof box can isolate the electronic device 3 from the refrigerant agent leaked in the air conditioner, prevent the electric spark generated by the electronic device 3 from meeting the refrigerant agent, and reduce the hidden danger of generating deflagration.

In the present embodiment, referring to fig. 1, fig. 4 and fig. 6, the explosion-proof box includes a box body 1, a cover body 2 and a wire-passing installation member 20, one side of the box body 1 is open and disposed to have an open side 100, the box body 1 further has a side wall 10 adjacent to the open side 100, the side wall 10 is provided with an installation opening 200 penetrating through the inside and outside of the box body 1, the cover body 2 is fittable to the box body 1 to cover the open side 100, the wire-passing installation member 20 is detachably mounted in the installation opening 200, and the wire-passing installation member 20 is provided with a wire-passing hole 21.

The open side 100 of the case 1 may be disposed on the upper side of the case 1, or may be disposed on the side of the case 1, as long as the electronic device 3 can be conveniently mounted in the case 1. The utility model provides an explosion-proof box can wear out the circuit of electron device 3 from crossing the line of line installed part 20 earlier in the assembling process, puts into explosion-proof box with electron device 3 again to will cross line installed part 20 and install in installing port 200, convenient operation, assembly efficiency is high, and owing to need not to draw box body 1 with the circuit root by root, requires lowly to operating space, makes box body 1 structure compacter.

The wire passing installation member 20 may be made of various materials, specifically, a rigid material with a good sealing performance, or a flexible material. When the wire passing fixture 20 is a rigid sealing material, for example, plastic, the operation of passing the wire is relatively simple, but a gap is easily generated between the wire passing fixture 20 and the mounting opening 200, and it is necessary to fill a sealing compound between the mounting opening 200 and the fixture. In this embodiment, the mounting member is a flexible sealing material, such as rubber, and the gap between the wire passing mounting member 20 and the mounting opening 200 is smaller, so that on the premise that the sealing performance can be ensured, it is not necessary to fill a sealing adhesive between the mounting opening 200 and the mounting member. Of course, in order to improve the sealing performance, a sealing adhesive may be filled between the mounting member of the flexible sealing material and the mounting opening 200. Optionally, a sealant may be filled between the wire through hole 21 and the wire passing through the wire through hole 21.

In one embodiment, referring to fig. 5 and 6, the upper side of the box 1 is an open side 100, and the cover 2 is mounted above the box 1. Thus, when assembling, the electrical device is placed into the box body 1 from the upper side, the wire passing installation member 20 with the wire passing is installed in the installation opening 200, and finally the cover body 2 is covered to seal. Convenient operation on the one hand, assembly efficiency is high, and on the other hand lid 2 pushes down under the effect of gravity, and sealing performance is better.

Referring to fig. 4 and 6, the upper side of the mounting opening 200 is opened to form an upward slot. Thus, when the wire passing mounting piece 20 is mounted, the wire passing mounting piece 20 can be directly inserted from the upper part, and the operation efficiency is higher. In other embodiments, the mounting opening 200 may be closed, and when the wire passing mounting member 20 is mounted, the wire passing mounting member 20 only needs to be inserted into the mounting opening 200 from one side of the side wall 10, and of course, the closed mounting opening 200 is not limited to the case where the cover 2 is disposed above the box body 1. In the above embodiment, the wire passing mounting member 20 is preferably in interference fit with the mounting opening 200, so as to reduce the gap between the wire passing mounting member 20 and the mounting opening 200 and improve the sealing performance of the explosion-proof box.

Further, referring to fig. 4 and 6, a sealing ring 30 is disposed between the cover 2 and the box body 1, a strip-shaped groove 22 is disposed on the upper side of the thread passing mounting member 20, and the sealing ring 30 is at least partially inserted into the strip-shaped groove 22. So, the area of contact increase of sealing washer 30 and cross line installed part 20 to avoid leading to the seam, sealing washer 30 forms a sealed whole with cross line installed part 20, and is sealed effectual.

On the basis of the above embodiment, referring to fig. 6, the box body 1 is provided with a sealing ring mounting groove 110 at the periphery of the opening, and the sealing ring mounting groove 110 extends annularly and is communicated with two ends of the strip-shaped groove 22. So can more easy to assemble sealing washer 30, and make sealing washer 30 inseparabler with the laminating of crossing between the line installed part 20, reduce the aversion, promote the leakproofness of explosion-proof box.

In an embodiment, referring to fig. 1 to 3 and fig. 5, the sidewall 10 is provided with a mounting wall 201 extending from the sidewall 10 to the inner side and/or the outer side of the box body 1 at the periphery of the mounting opening 200. Therefore, the contact area between the inner wall of the mounting opening 200 and the wire passing mounting part 20 is increased, and the sealing performance is improved.

In an embodiment, referring to fig. 7 and 8, the inner circumference of the mounting opening 200 and the outer circumference of the wire passing mounting member 20 are respectively provided with a rib 202 and a groove 23, the rib 202 and the groove 23 are respectively provided with a plurality of channels and are adapted to each other, and each rib 202 and each groove 23 respectively extend along the circumferential direction of the mounting opening 200, so that each rib 202 is respectively inserted into each groove 23. So for the gap of crossing between line installed part 20 and installing port 200 is the setting of buckling, avoids the production of logical seam, promotes the leakproofness, simultaneously, has restricted the mounted position of crossing line installed part 20 in installing port 200, prevents to cross line installed part 20 slope or slide in installing port 200.

In one embodiment, referring to fig. 6, the inner periphery of the mounting wall 201 extends along an arc. Therefore, the existence of a straight line angle is avoided, the gap between the wire passing installation part 20 and the installation opening 200 is reduced, meanwhile, stress concentration abrasion materials are avoided, and the sealing performance of the explosion-proof box is improved.

In one embodiment, the box body 1 has a bottom plate opposite to the open side 100, and the side walls 10 and/or the outer side of the bottom plate are provided with fixing members for fixing connection with the air conditioner casing. So, be fixed in the shell of air conditioner with box body 1 through this mounting, avoid box body 1 to rock and lead to inside electron device 3 to damage.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are included in the same way in the protection scope of the present invention.

Claims

1. An explosion-proof enclosure, comprising:

2. The explosion-proof box of claim 1, wherein said wire passing mounting member is made of a flexible sealing material.

3. An explosion-proof case as defined in claim 2, wherein said case body upper side is said open side, and said cover is mounted above said case body.

4. An explosion proof enclosure as claimed in claim 3 in which the upper side of the mounting opening is open to form an upwardly opening slot.

5. The explosion-proof box of claim 4, wherein a sealing ring is arranged between the cover body and the box body, a strip-shaped groove is formed in the upper side of the thread passing mounting piece, and the sealing ring is at least partially inserted into the strip-shaped groove.

6. The explosion-proof box according to claim 5, wherein the box body is provided with a sealing ring mounting groove at the periphery of the opening, the sealing ring mounting groove extends annularly and is communicated with both ends of the strip-shaped groove.

7. An explosion-proof box as claimed in any one of claims 1 to 6, wherein said side wall is provided with a mounting wall extending from said side wall to the inside and/or outside of said box body at the periphery of said mounting opening.

8. The explosion-proof box of any one of claims 1 to 6, wherein the inner periphery of the mounting opening and the outer periphery of the wire passing mounting member are respectively provided with a rib and a groove, the rib and the groove are respectively provided with a plurality of channels and are mutually matched, and the rib and the groove respectively extend along the circumferential direction of the mounting opening so that the rib is respectively inserted into the groove.

9. An explosion-proof cassette as set forth in claim 7 wherein said inner periphery of said mounting wall extends in an arcuate manner.

10. An explosion proof box as claimed in any one of claims 1 to 6 wherein said box body has a bottom plate opposite said open side, said side walls and/or said bottom plate being provided with fasteners on the outside for secure attachment to an air conditioner housing.

11. The explosion proof box of any one of claims 1 to 6 wherein sealant is filled in said wire through hole and/or between said wire through mounting member and said mounting port.

12. An air conditioner, comprising:

a housing; and the number of the first and second groups,

an explosion proof cassette as claimed in any one of claims 1 to 11, which is provided within the housing.

13. The air conditioner according to claim 12, further comprising a relay and/or an ac contactor provided in the explosion-proof case, and a line of the relay and/or the ac contactor is inserted through the wire through hole of the mounting member.

14. The air conditioner according to claim 12 or 13, wherein the air conditioner is an integrated air conditioner.

15. The air conditioner as claimed in claim 12 or 13, wherein the air conditioner is a split type air conditioner, the air conditioner includes an indoor unit and an outdoor unit, the indoor unit and the outdoor unit are connected by a refrigerant pipe, the outdoor unit includes the casing, and the explosion-proof case is disposed in the casing.