CN215498566U

CN215498566U - Junction box assembly and compressor

Info

Publication number: CN215498566U
Application number: CN202121608716.1U
Authority: CN
Inventors: 张铨佺; 向科; 黄之敏
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-11
Anticipated expiration: 2031-07-09

Abstract

The utility model provides a junction box assembly and a compressor, wherein the junction box assembly comprises a junction box, the junction box is used for accommodating a wiring terminal for the compressor, a detection port is arranged on the junction box and communicated with the inside of the junction box, and the junction box assembly further comprises a shielding piece used for opening or closing the detection port. According to the utility model, through the detection port arranged on the junction box, the waterproof condition of the junction box assembly and the damage condition of the internal wiring terminal can be observed under the condition that the junction box is not detached, so that the sealing state of the junction box assembly and the use state of the compressor can be judged, and the compressor can be maintained in time when the junction box assembly is filled with water or the wiring terminal is damaged, thereby reducing the maintenance difficulty of the junction box.

Description

Junction box assembly and compressor

Technical Field

The utility model relates to the field of compressors, in particular to a junction box assembly and a compressor.

Background

In the field of compressors, a vehicle-mounted compressor is communicated with a power supply through a wiring terminal for supplying power. In order to protect the terminal of the compressor, a terminal box is generally provided on the terminal to cover the terminal. Generally, an on-vehicle compressor needs to move along with a vehicle, and if the sealing performance of the junction box is poor, rainwater or humid air can enter the interior of the junction box, so that the junction box is corroded or insulation between the junction boxes is failed.

The existing compressor generally needs to reach the IP67 security level of dustproof and waterproof, and the compressor can test the sealing performance of a junction box of the compressor when leaving a factory. And after the compressor worked for a period of time, judge the waterproof condition in the terminal box to whether observe binding post and whether take place to corrode or became invalid, generally need to dismantle the terminal box and observe, and the process of dismantling the terminal box not only wastes time and energy, but also can influence the leakproofness of terminal box.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model aims to provide a junction box assembly and a compressor, by using the junction box assembly, the waterproof condition and the damage condition of an internal wiring terminal in the junction box can be observed under the condition that the junction box is not detached, so that the sealing state of the junction box and the use state of the compressor can be conveniently judged, and the maintenance difficulty of the junction box is reduced.

In order to achieve the above object, the present invention provides a terminal box assembly, which includes a terminal box for accommodating a terminal for a compressor, the terminal box being provided with a detection port, the detection port being communicated with an interior of the terminal box, the terminal box assembly further including a shutter for opening or closing the detection port;

when the shielding piece closes the detection port, a closed space is formed inside the junction box.

Optionally, the junction box has a side surface, and the detection port is disposed on the side surface of the junction box.

Optionally, the side surface of the junction box is formed by connecting an arc area and a plane area, and the detection port is arranged on the plane area.

Optionally, the detection port is a threaded hole, the shielding piece is a bolt matched with the threaded hole, a gasket is arranged between the bolt and the threaded hole, and the gasket is used for sealing the threaded hole.

Optionally, the threaded hole has an outwardly extending boss, the boss protrudes in a direction away from the junction box, the detection port is circular, the size of the detection port is M10X1.0, and the depth is 6.0 mm.

Optionally, a lead is arranged on the compressor, an outgoing line is arranged on the connecting terminal, the compressor is connected with the connecting terminal through the lead, and the outgoing line is used for being connected with an external power supply;

the terminal box is further provided with a wire groove and a wire hole, the wire groove is used for penetrating the wire, and the wire hole is used for penetrating the outgoing wire.

Optionally, the terminal box has a side surface and a bottom surface, the bottom surface is used for being fixedly connected with an end cover of the compressor, the bottom surface has an opening, the opening forms the wire guide groove, and the wire guide hole is arranged on the side surface.

In order to achieve the above object, the present invention further provides a compressor, which includes a compressor housing, an upper end cover, a lower end cover, and the terminal box assembly, wherein the terminal box assembly is disposed on the upper end cover.

Optionally, the junction box assembly further comprises a gasket, a cover plate and a fixing part; the cover plate is fixedly connected to the top surface of the junction box, which is far away from the upper end cover; the junction box is fixedly connected with the upper end cover through the fixing part; the sealing gasket is arranged between the upper end cover and the junction box.

Optionally, the fixing part includes a screw rod and a nut, and the screw rod sequentially penetrates through the upper end cover, the sealing gasket, the junction box and the cover plate and is connected with the nut.

According to the junction box assembly and the compressor, after the junction box assembly is subjected to a waterproof test, the waterproof condition of the junction box assembly and the damage condition of the internal wiring terminal can be conveniently observed under the condition that the junction box is not disassembled through the detection port formed in the junction box, so that the sealing state of the junction box assembly and the use state of the compressor can be judged, and the compressor can be timely maintained when the junction box assembly is filled with water or the wiring terminal is damaged, so that the maintenance difficulty of the junction box is reduced.

Drawings

FIG. 1 is a schematic view of a compressor according to a preferred embodiment of the present invention;

FIG. 2 is a perspective view of the terminal block at a first viewing angle in accordance with a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the construction of a shield in accordance with a preferred embodiment of the present invention;

FIG. 4 is a perspective view of the terminal block at a second viewing angle in accordance with a preferred embodiment of the present invention;

fig. 5 is a schematic structural view of a terminal block assembly according to a preferred embodiment of the present invention.

Wherein the reference numerals are as follows:

a junction box assembly 1; a junction box 11;

a detection port 111; a boss 1111;

a wire guide groove 112; a lead hole 113;

a fixing hole 114; a top surface 115;

a side surface 116; a circular arc region 1161;

a planar area 1162; a bottom surface 117;

a retaining groove 118; a cover plate 12;

a gasket 13; a fixed member 14;

a shield 15;

a compressor 2; the compressor housing 21;

and an upper end cap 22.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The term "fixedly connected" in the present invention should be understood in a broad sense, that is, the fixedly connected means a connection between the two members that is not fixedly detachable, and the fixedly detachable connection between the two members.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The terminal box assembly and the compressor according to the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

Fig. 1 is a schematic structural view of a compressor in a preferred embodiment of the present invention, fig. 2 is a perspective view of a terminal box in a preferred embodiment of the present invention at a first viewing angle, fig. 3 is a schematic structural view of a shielding member in a preferred embodiment of the present invention, fig. 4 is a perspective view of a terminal box in a preferred embodiment of the present invention at a second viewing angle, and fig. 5 is a schematic structural view of a terminal box assembly in a preferred embodiment of the present invention.

As shown in fig. 1 to 5, the present invention provides a terminal block assembly 1 and a compressor 2. The terminal block assembly 1 includes a terminal block 11 and a shutter 15. The terminal box 11 is configured to accommodate a terminal (not shown) for the compressor 2, and the terminal box 11 is provided with a detection port 111, and the detection port 111 communicates with the inside of the terminal box 11, so that the internal state of the terminal box 11 can be observed through the detection port 111. The shutter 15 is used to open or close the detection port 111; when the shutter 15 closes the detection port 111, a closed space (not shown) is formed inside the terminal block 11. Namely, when the shielding piece 15 closes the detection port 111, the detection port 111 is plugged to ensure the sealing performance of the junction box 11; when the shutter 15 opens the detection port 111, the inside of the terminal block 11 can be viewed through the detection port 111. The shutter 15 is preferably detachably connected to the detection port 111, that is, the shutter 15 can be detached from the detection port 111 and separated therefrom.

Through the detection mouth 111 that sets up on terminal box 11, can carry out waterproof test back at terminal box subassembly 1, under the condition of not dismantling terminal box 11, the waterproof condition of convenient observation terminal box subassembly 1 and the impaired condition of inside binding post to judge the encapsulated situation of terminal box subassembly 1 and compressor 2's user state, and can intake at terminal box subassembly 1 or in time maintain the maintenance to compressor 2 when binding post takes place to damage, thereby reduce the maintenance and the maintenance degree of difficulty of terminal box 11.

In this embodiment, terminal box 11 has a top surface 115, a side surface 116, and a bottom surface 117, bottom surface 117 is for fixed connection with the end cover of compressor 2, top surface 115 is disposed opposite to bottom surface 117, and side surface 116 connects bottom surface 117 and top surface 115. The material of the junction box 11 is not limited in the present application, and in this embodiment, the material of the junction box 11 is plastic, and of course, the material of the junction box 11 may also be metal or other materials. Preferably, the side 116 of the junction box 11 is formed by connecting the circular arc area 1161 and the plane area 1162, and usually, the circular arc areas 1161 are connected in sequence, and the last circular arc area 1161 is connected to the plane area 1162. In the present embodiment, the terminal block 11 is a hollow thin-walled structure and is preferably configured as a "bone-shaped" structure, as shown in fig. 2, the terminal block 11 has an outwardly bulged arc-shaped region 1161 for accommodating the terminal block, in such a manner as to increase the accommodating space.

Preferably, the detection port 111 is provided on the side 116 of the terminal box 11, so that the detection port 111 can be opened or closed more conveniently by using the shutter 15. Meanwhile, since the junction box assembly 1 is disposed on the upper end cap 22 of the compressor 2, and the compressor 2 is generally vertically disposed, the detection port 111 is disposed on the side surface 116 of the junction box 11, so that it is possible to prevent rainwater from entering the inside of the junction box 11 through the detection port 111, thereby maintaining the sealed state of the inside of the junction box 11. The position of the detection port 111 is not limited in the present application, and the detection port 111 may be provided on the side surface 116 or the top surface 115 of the junction box 11 as needed. Since the bottom surface 117 of the terminal box 11 is generally mounted on the upper end cover 22 of the compressor 2, the detection port 111 is not usually provided on the bottom surface 117 of the terminal box 11.

Referring to fig. 1, 3 and 4, the detection port 111 can be disposed on a planar area 1162 of the side surface 116 of the junction box 11, so that the shielding member 15 can seal the detection port 111 by using bolts or buckles, and the sealing state of the junction box assembly 1 can be ensured.

Referring to fig. 2 and 3, in order to enable the shielding member 15 to conveniently open or close the detection port 111, in the present embodiment, the detection port 111 is provided as a threaded hole, the shielding member 15 is provided as a bolt matched with the threaded hole, and a gasket (not shown) is provided between the bolt and the threaded hole, and the gasket is used for sealing the threaded hole.

Preferably, the threaded hole has an outwardly extending projection 1111, the projection 1111 projecting in a direction away from the terminal block 11. Since the terminal box 11 is configured as a hollow thin-walled structure, the boss 1111 increases the width of the detection port 111 in the axial direction, so that it is ensured that the connection portion of the shielding member 15 and the detection port 111 is not easily deformed or damaged when they are connected by bolts. In addition, the gasket may be provided in a circular structure having the same outer diameter as the boss 1111, and the gasket may be fitted over the bolt. So configured, the boss 1111 may be sealingly connected to the bolt via the gasket.

In this application, for the operating personnel to observe the internal state of terminal box 11 for being convenient for, simultaneously, along with compressor 2 required current is higher and higher, the power cord that compressor 2 was drawn forth also is thicker and thicker, for making detection mouth 111 can regard as the spare hole of power cord, the diameter of detection mouth 111 preferably sets up to great size. Further, when the detection port 111 is provided on the planar area 1162 of the side surface 116 of the junction box 11, the diameter of the detection port 111 is necessarily limited by the size of the side surface 116 of the junction box 11 and the size of the planar area 1162. In view of the above, in the present embodiment, the size of the detection port 111 is M10X1.0, and the depth is 6.0 mm. The size and shape of the detection port 111 are not limited, that is, the size and shape of the detection port 111 can facilitate an operator to observe the internal state of the junction box assembly 1. In one embodiment, the detection port 111 is a circular through hole, but the detection port 111 may be provided in other shapes as needed, for example, in another embodiment, the detection port 111 is provided in a square or oval shape. Similarly, the size of the detection port 111 may be set according to the size of the terminal block 11.

Further, the compressor 2 is provided with a lead wire (not shown), and the compressor 2 is connected to a terminal through the lead wire. Further, as shown in fig. 4, a wire groove 112 is further disposed on the terminal box 11, and the wire groove 112 is used for penetrating the wire, so that the wire can enter and exit the terminal box 11, and the compressor 2 and the terminal are connected through the wire. In this embodiment, a large opening is formed in the bottom surface 117 of the terminal block 11, and the opening constitutes the wire groove 112.

The terminal is provided with a lead wire (not shown) for connecting to an external power supply. Further, as shown in fig. 2 and 5, the terminal box 11 is further provided with a lead hole 113 communicating with the inside, and the lead hole 113 is used for penetrating the lead wire so that the lead wire can enter and exit the terminal box 11, thereby connecting the compressor 2 with an external power supply. In one embodiment, the wire holes 113 are provided on the planar area 1162 of the side 116 of the junction box 11. In addition, when the lead hole 113 on the terminal box 11 is damaged, the detection port 111 can also be used as a spare hole for the lead hole 113, thereby facilitating the connection of the compressor 2 to an external power supply.

Referring back to fig. 1, the compressor 2 includes a compressor housing 21, an upper end cap 22, a lower end cap (not shown), and a terminal block assembly 1, and the terminal block assembly 1 is fixedly disposed on the upper end cap 22 of the compressor 2. The installation direction of the compressor 2 is not limited in the present application, and includes but is not limited to vertical installation, and may be horizontal or inclined, so the upper end cover 22 and the lower end cover are not limited to the position of the end cover.

Preferably, the terminal block assembly 1 further includes a cover plate 12, and the cover plate 12 is fixedly connected to a top surface 115 of the terminal block 11 far from the upper end cover 22, so as to uniformly stress the terminal block 11. Referring to fig. 1 and 2, the junction box 11 may further include a limiting portion for limiting the cover plate 12. Preferably, the limiting part is a limiting groove 118 disposed on the top surface 115 of the junction box 11.

To ensure the sealing performance of the junction box assembly 11, a waterproof joint (not shown) for matching and sealing may be disposed at the wire guiding hole 113, and a sealant for sealing the wire guiding groove 112 and the wire guiding hole 113 may be filled in the wire guiding groove 112 and the wire guiding hole 113.

In an embodiment, the terminal block assembly 1 further includes a gasket 13, the gasket 13 is disposed between the upper cover 22 and the terminal block 11, and the gasket 13 is used for sealing an opening of the bottom surface 117 of the terminal block 11.

Further, the terminal block assembly 1 further includes a fixing part 14 for fixedly connecting the terminal block assembly 1 to the upper end cover 22. Optionally, the junction box 11 is further provided with a fixing hole 114 communicating with the inside of the junction box 11 for passing through the fixing part 14. Alternatively, the fixing hole 114 is provided on the top surface 115 of the junction box 11, preferably in the middle of the junction box 11.

In one embodiment, the fixing member 14 includes a screw and a nut, and the screw passes through the upper cover 22, the gasket 13, the junction box 11 and the cover plate 12 in sequence and is connected with the nut. The screw is fixedly connected to the upper end cap 22 of the compressor 2. It will be understood that the cover plate 12 and/or the gasket 13 are provided with through holes (not shown) for inserting screws, which preferably pass through the through holes of the cover plate 12, the through holes of the gasket 13 and the fixing holes 114 of the terminal box 11 to connect with the nuts. The nut is fixedly connected with a screw on the upper end cover 22 of the compressor 2, so that the junction box 11 is tightly pressed with the sealing gasket 13. If the cover plate 12 is not installed on the terminal block assembly 1, the nut will be directly pressed on the terminal block 11, which may cause uneven stress on the terminal block 11, and may cause the terminal block 11 and the gasket 13 not to be tightly attached, thereby affecting the sealing performance. To ensure a uniform pressing of the fastening element 14 against the terminal box 11, a cover plate 12 is provided on the top 115 of the terminal box 11.

In summary, according to the terminal box assembly 1 and the compressor 2 provided by the utility model, the detection port 111 formed in the terminal box 11 can conveniently observe the waterproof condition of the terminal box assembly 1 and the damaged condition of the internal wiring terminal without detaching the terminal box 11 after the waterproof test is performed on the terminal box assembly 1, so as to judge the sealing state of the terminal box assembly 1 and the use state of the compressor 2, and timely maintain the compressor 2 when the terminal box assembly 1 is filled with water or the wiring terminal is damaged, so that the maintenance and the preservation of the terminal box 11 are more convenient.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the present invention.

Claims

1. A junction box assembly comprises a junction box, wherein the junction box is used for accommodating a wiring terminal for a compressor, and is characterized in that a detection port is formed in the junction box and communicated with the interior of the junction box;

2. The junction box assembly of claim 1, wherein the junction box has a side surface, the inspection port being disposed on the side surface of the junction box.

3. The terminal block assembly of claim 2, wherein the sides of the terminal block are formed by joining a radiused area and a planar area, the inspection opening being disposed on the planar area.

4. The junction box assembly as claimed in claim 1, wherein the detection port is provided as a threaded hole, the shielding member is provided as a bolt matching the threaded hole, and a gasket is provided between the bolt and the threaded hole for sealing the threaded hole.

5. The terminal block assembly of claim 4, wherein the threaded aperture has an outwardly extending boss projecting away from the terminal block, the test port is circular in shape, the test port is M10X1.0 in size and 6.0mm deep.

6. The terminal box assembly as claimed in claim 1, wherein a lead is provided on the compressor, a lead wire is provided on the terminal, the compressor is connected to the terminal through the lead wire, and the lead wire is used for connecting to an external power source;

7. The terminal block assembly of claim 6, wherein the terminal block has a side surface and a bottom surface, the bottom surface for fixedly coupling with an end cap of the compressor, the bottom surface having an opening, the opening defining the wire guide, the wire guide hole being disposed on the side surface.

8. A compressor comprising a compressor shell, an upper end cap and a lower end cap, further comprising a terminal block assembly as claimed in any one of claims 1 to 7, said terminal block assembly being disposed on said upper end cap.

9. The compressor of claim 8, wherein the terminal block assembly further comprises a gasket, a cover plate, and a fixing member; the cover plate is fixedly connected to the top surface of the junction box, which is far away from the upper end cover; the junction box is fixedly connected with the upper end cover through the fixing part; the sealing gasket is arranged between the upper end cover and the junction box.

10. The compressor of claim 9, wherein the fixing member includes a screw rod and a nut, the screw rod sequentially passing through the upper cover, the gasket, the junction box and the cover plate and being connected to the nut.