Relay junction box

Abstract

The utility model provides a relay junction box, which comprises a shell, a relay body and a wire harness unit, and is characterized in that the interior of the shell is hollow; the relay body is arranged in the shell, and a high-voltage sampling end and a relay control end of the relay body are arranged on the same side; the wiring harness unit is embedded in the shell, the wiring harness unit is provided with a plurality of wiring harness parts, one end of each wiring harness part is electrically connected with the high-voltage sampling end of the relay body and the control end of the relay body, and the other end of each wiring harness part penetrates through one side of the base and is led out outwards. The wire harness part is wrapped by the insulating material to ensure that an electric signal does not contact with the external environment in the transmission process, so that the risk of electric leakage is avoided, the safety is greatly improved, and meanwhile, compared with a traditional external wiring mode, the space can be greatly saved, and the space utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, in particular to a relay distribution box. Background Art

[0002] A relay distribution box is a kind of power distribution equipment, which is used to distribute power signals from the main line to each branch line, realize power distribution and control, and has multiple functions such as wire splitting, control, and protection. It can protect internal equipment from the influence of dust, moisture, corrosion, physical damage, etc.

[0003] The publication number CN214874640U discloses an automotive high-voltage distribution box, which relates to the technical field of automotive high-voltage electrical boxes. It includes a distribution box body; a relay is installed inside the distribution box body; a connector for connecting with a battery pack and a first connector for connecting with a control relay are installed at the input end of the distribution box body, and a second connector and a third connector are installed at the output end for connecting with a fast charging socket and a motor controller; a connecting part for connecting with the vehicle body is installed outside the distribution box body.

[0004] In the above distribution box body, high-voltage copper bars are used for internal wiring to connect the endpoints, which is prone to leakage and has certain safety hazards. Moreover, this method will occupy a large amount of space, thus reducing the space utilization rate. Summary of the Utility Model

[0005] In view of this, the utility model provides a relay distribution box, in which a wire harness unit is buried in the base, so that the wiring has good insulation, can avoid leakage, reduces safety hazards, and at the same time, this wiring method occupies less space, thus improving the space utilization rate.

[0006] The technical solution of the utility model is realized as follows: The utility model provides a relay distribution box, including:

[0007] A housing, which is hollow inside;

[0008] A relay body, which is arranged inside the housing, and the high-voltage sampling end and the relay control end of the relay body are both arranged on the same side;

[0009] A wire harness unit, which is buried inside the housing, and the wire harness unit has a plurality of wire harness parts. One ends of the plurality of wire harness parts are respectively electrically connected to the high-voltage sampling end and the relay control end of the relay body, and the other ends penetrate through one side of the base and extend outwards.

[0010] On the basis of the above technical solutions, preferably, the housing includes a base, a housing and several first buckle parts, wherein,

[0011] The base is disposed opposite to the housing. A plurality of first fastening members are respectively arranged on opposite side surfaces of the base, and a plurality of bayonet openings are formed on the outer side of the housing. The positions of the bayonet openings correspond to the positions of the first fastening members, and each first fastening member is embedded in the bayonet opening to fix the base and the housing.

[0012] Based on the above technical solution, preferably, the wire harness unit further includes a plurality of connecting sheet bodies, wherein,

[0013] A plurality of first windows are formed on the side of the base away from the housing. The positions of the first windows respectively correspond to the positions of the high-voltage sampling end and the relay control end of the relay body;

[0014] A plurality of connecting sheet bodies are respectively arranged in the first windows and are fixedly connected to the corresponding high-voltage sampling end and relay control end of the relay body;

[0015] The plurality of wire harness portions are buried in the base, and one end of each wire harness portion is fixedly connected to the corresponding connecting sheet body.

[0016] Based on the above technical solution, preferably, it further includes a connection terminal block. Among them, the connection terminal block is arranged on one side of the base. A second window corresponding to the connection terminal block in position is formed on the outer side of the housing, and a plurality of cavities are arranged at intervals in the connection terminal block; the other ends of the plurality of wire harness portions penetrate through the base and extend into the cavities of each connection terminal block.

[0017] Based on the above technical solution, preferably, the plurality of wire harness portions are all conductive and are equally spaced along the width extension direction of the base.

[0018] Based on the above technical solution, preferably, it further includes an input conductive row, an output conductive row and a plurality of connecting columns. Among them,

[0019] The input conductive row is arranged on the side of the relay body away from the high-voltage sampling end and the relay control end, and the input conductive row is fixed to the input end of the relay body by bolts;

[0020] The output conductive row is arranged on the side of the relay body away from the high-voltage sampling end and the relay control end, and the output conductive row is fixed to the output end of the relay body by bolts;

[0021] A plurality of connecting columns are respectively arranged on the input conductive row and the output conductive row and are spaced at intervals in different directions to facilitate the connection and fixation of the external copper row.

[0022] Based on the above technical solution, preferably, the plurality of connecting columns are distributed on the side of the input conductive row away from the relay body along the width and length directions of the base, and adjacent two connecting columns are spaced apart and are arranged near the edge.

[0023] On the basis of the above technical solution, preferably, it further includes a cover plate, a second fastener and a positioning member, wherein:

[0024] The cover plate is arranged on a side of the housing away from the base, and the cover plate can rotate circumferentially toward a side of the connecting column;

[0025] The second fastener is arranged on one side of the cover plate;

[0026] The positioning piece is arranged on the shell and is arranged corresponding to the position of the second buckle piece. The cover plate is turned to fit with the shell so that the second buckle piece is buckled with the positioning piece and a plurality of connecting columns are covered in the cover plate.

[0027] On the basis of the above technical solution, preferably, the number of the second clips and the positioning members are equal, and the number of the second clips is at least two, at least two second clips are arranged on opposite sides of the cover plate, and at least two positioning members are arranged on opposite sides of the outer shell, and the two opposite positioning members are symmetrically arranged along the vertical plane of the width center line of the cover plate.

[0028] On the basis of the above technical solution, preferably, it also includes a connector and a plug connector, wherein:

[0029] The connecting piece is arranged on the outer side of the housing and is arranged opposite to the position of the connecting end row;

[0030] The plug-in connector is arranged on one side of the connecting member, and a plug-in slot is provided on the connecting member, and the outer contour shape of the plug-in connector matches the inner contour shape of the plug-in slot;

[0031] Two adjacent shells are inserted into the plug-in slots through the relative plug-in pieces, so that the two shells are spliced ​​and assembled.

[0032] The relay junction box of the utility model has the following beneficial effects compared with the prior art:

[0033] (1) By burying the wiring harness unit in the base, the wiring harness unit is wrapped with insulating material during the burying process to ensure that the electrical signal will not contact the external environment during the transmission process, thereby avoiding the risk of leakage and greatly improving safety. At the same time, compared with the traditional external wiring method, it can greatly save space and improve space utilization;

[0034] (2) A number of connection posts are arranged on the input conductive bar and the output conductive bar, and are spaced and distributed in different directions, so that the connection posts can meet the connection requirements of the external copper bar, improving the convenience and flexibility of the connection. Especially when installing in a narrow space, there is no need for switching, and the connection posts on the corresponding side can be introduced from various directions for fixing, thereby improving the installation efficiency;

[0035] (3) Through the modular design of the connecting parts and plug-in parts, the flexible combination and expansion of the relay distribution box are realized, improving the flexibility and scalability of the product and meeting the production requirements of different products. Brief Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0037] Figure 1 Is a perspective view of the relay distribution box of the present invention;

[0038] Figure 2 Is a bottom view of the relay distribution box of the present invention;

[0039] Figure 3 Is a left view of the relay distribution box of the present invention;

[0040] Figure 4 Is a wire rack diagram of the base of the relay distribution box of the present invention;

[0041] Figure 5 Is a three-dimensional connection diagram of the input conductive bar and the output conductive bar of the relay distribution box of the present invention and the housing;

[0042] Figure 6 Is a splicing state diagram of the two shells of the relay distribution box of the present invention. Detailed Embodiments

[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in combination with the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0044] As Figures 1-6 shown, a relay distribution box of the present invention includes a housing 1, a relay body 2, and a wire harness unit 3.

[0045] Among them, the inside of the housing 1 is hollow; the relay body 2 is arranged inside the housing 1, and the high-voltage sampling end and the relay control end of the relay body 2 are both arranged on the same side; the wiring harness unit 3 is embedded in the housing 1, and the wiring harness unit 3 has a plurality of wiring harness parts 31. One ends of the plurality of wiring harness parts 31 are respectively electrically connected to the high-voltage sampling end and the relay control end of the relay body 2, and the other ends penetrate through to one side of the base 101 and are led outwards.

[0046] It should be noted that during the embedding process of the wiring harness unit 3, the wiring harness parts 31 are wrapped with insulating materials to ensure that the electrical signals do not come into contact with the external environment during transmission, thus avoiding the risk of electric leakage, greatly improving safety, and at the same time, compared with the traditional external wiring method, it can greatly save space and improve space utilization.

[0047] The housing 1 in this embodiment includes a base 101, a housing 102 and a plurality of first buckle parts 103. Among them, the base 101 and the housing 102 are arranged opposite to each other. The plurality of first buckle parts 103 are respectively arranged on the opposite side surfaces of the base 101, and a plurality of buckling openings 100 are formed on the outer side of the housing 102. The positions of the buckling openings 100 are correspondingly arranged with the positions of the first buckle parts 103, and each first buckle part 103 is embedded in the buckling opening 100 to fix the base 101 and the housing 102.

[0048] It should be noted that through the cooperation of the first buckle parts 103 and the buckling openings 100, the base 101 and the housing 102 can be quickly and conveniently assembled together, greatly improving the production efficiency and installation convenience. When internal components need to be maintained or replaced, just press the first buckle parts 103, and the base 101 and the housing 102 can be separated; making the maintenance process simpler and faster, reducing the maintenance cost and time.

[0049] The wiring harness unit 3 in this embodiment further includes a plurality of connecting pieces 32. Among them, a plurality of first windows 110 are formed on the side of the base 101 away from the housing 102. The positions of the first windows 110 are respectively correspondingly arranged with the positions of the high-voltage sampling end and the relay control end of the relay body 2; ensuring that the connecting pieces 32 can be accurately and stably fixedly connected to the high-voltage sampling end and the relay control end of the relay body 2; the plurality of connecting pieces 32 are respectively arranged in the first windows 110 and are fixedly connected to the corresponding high-voltage sampling end and the relay control end of the relay body 2; the plurality of wiring harness parts 31 are embedded in the base 101, and one end of each wiring harness part 31 is respectively fixedly connected to the corresponding connecting piece 32. The connecting piece 32 and the corresponding high-voltage sampling end and the relay control end of the relay body 2 are fixed by welding to ensure the firmness and reliability of the connection.

[0050] The present embodiment also includes a connection terminal row 4, wherein the connection terminal row 4 is arranged on one side of the base 101, and a second window 120 corresponding to the position of the connection terminal row 4 is opened on the outer side of the shell 102, so as to facilitate the connection between the external device or line and the connection terminal row 4, and a plurality of cavities 400 distributed at intervals are provided in the connection terminal row 4; the other ends of the plurality of wiring harness portions 31 pass through the base 101 and extend into the cavity 400 of each connection terminal row 4, so as to ensure that each wiring harness portion 31 has an independent space for connection, thus avoiding confusion and interference.

[0051] This embodiment further improves the orderliness of wire harness management and the reliability of connection by providing a row of connection terminals 4 and a plurality of independent cavities 400, while also optimizing space utilization and overall aesthetics.

[0052] In this embodiment, the plurality of harness portions 31 are all conductive and are distributed at equal intervals along the width extension direction of the base 101 .

[0053] In this embodiment, all the harness parts 31 are conductive to ensure that the power signal can be transmitted smoothly. The conductive material of the harness part 31 is usually a material with good conductivity and durability, and copper or copper alloy material can be used.

[0054] The present embodiment also includes an input conductive bar 5, an output conductive bar 6 and a plurality of connecting posts 7, wherein the input conductive bar 5 is arranged on a side of the relay body 2 away from the high-voltage sampling end and the relay control end, and the input conductive bar 5 is fixed to the input end of the relay body 2 by bolts; the output conductive bar 6 is arranged on a side of the relay body 2 away from the high-voltage sampling end and the relay control end, and the output conductive bar 6 is fixed to the output end of the relay body 2 by bolts; a plurality of connecting posts 7 are arranged on the input conductive bar 5 and the output conductive bar 6, and are spaced apart and distributed in different directions to facilitate the connection and fixation of the external copper bar.

[0055] It should be noted that a plurality of connecting posts 7 are disposed on the input conductive bus 5 and the output conductive bus 6 and are spaced apart in different directions, so that the connecting posts 7 can meet the connection requirements of the external copper bus, thereby improving the convenience and flexibility of the connection. Especially when installing in a narrow space, there is no need for switching, and the connecting posts 7 on the corresponding side can be introduced from various directions for fixing, thereby improving the installation efficiency.

[0056] In this embodiment, a plurality of connection posts 7 are distributed along the width and length direction of the base 101 on a side of the input conductive bar 5 away from the relay body 2 , and two adjacent connection posts 7 are spaced apart and arranged close to the edge.

[0057] This embodiment also includes a cover plate 8, a second fastener 9 and a positioning member 10, wherein the cover plate 8 is arranged on the side of the shell 102 away from the base 101, and the cover plate 8 can rotate circumferentially toward the side of the connecting column 7; the second fastener 9 is arranged on one side of the cover plate 8; the positioning member 10 is arranged on the shell 102, and is arranged corresponding to the position of the second fastener 9, and the cover plate 8 is turned to fit with the shell 102, so that the second fastener 9 and the positioning member 10 are buckled, and a plurality of connecting columns 7 are covered in the cover plate 8.

[0058] It should be noted that the cover plate 8 and the housing 102 are fixed by the cooperation of the second snap-fitting member 9 and the positioning member 10. When disassembly or assembly is required, the second snap-fitting members 9 on both sides can be pressed to withdraw them from the positioning member 10 to complete the separation of the cover plate 8 and the housing 102. The cover plate 8 can then be rotated to disassemble and assemble the connecting column 7 and the external copper busbar. When the cover plate 8 and the housing 102 are buckled together, the connecting columns 7 can be protected from electric shock.

[0059] In this embodiment, the number of second clips 9 and positioning members 10 is equal, and the number of second clips 9 is at least two, at least two second clips 9 are arranged on opposite sides of the cover 8, and at least two positioning members 10 are arranged on opposite sides of the shell 102, and the two opposite positioning members 10 are symmetrically arranged along the vertical plane of the width center line of the cover 8.

[0060] It should be noted that, by cooperating with the stacked second fasteners 9 and the positioning member 10 , the cover plate 8 can be stably and conveniently fixed on the housing 102 .

[0061] This embodiment also includes a connector 11 and a plug-in connector 12, wherein the connector 11 is arranged on the outside of the housing 102 and is arranged opposite to the position of the connection terminal row 4; the plug-in connector 12 is arranged on one side of the connector 11, and a plug-in slot 130 is opened on the connector 11, and the outer contour shape of the plug-in connector 12 matches the inner contour shape of the plug-in slot 130; two adjacent shells 1 are inserted into the plug-in slot 130 through the relative plug-in connectors 12, so that the two shells 1 are spliced ​​and assembled.

[0062] It should be noted that, through the modular design of the connector 11 and the plug-in connector 12, flexible combination and expansion of the relay junction box is achieved, the flexibility and scalability of the product are improved, and the production requirements of different products are met.

[0063] Working principle:

[0064] Install the relay body 2 into the base 101, and make its high-voltage sampling terminal and relay control terminal correspond to the opened first window 110 respectively. Then, weld and fix the connecting piece 32 to the high-voltage sampling terminal and relay control terminal of the relay body 2. Next, snap and fix the outer shell 102 to the base 101 to fix the position of the relay body 2. The external terminal block only needs to be inserted into the connection terminal block 4 to complete the acquisition and control.

[0065] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A relay junction box, characterized in that: include: A housing (1) having a hollow interior; A relay body (2) is arranged in the housing (1), and a high-voltage sampling end and a relay control end of the relay body (2) are both arranged on the same side; The wiring harness unit (3) is embedded in the housing (1), and comprises a plurality of wiring harness parts (31), one end of each of the plurality of wiring harness parts (31) being electrically connected to a high-voltage sampling end of the relay body (2) and a relay control end, respectively, and the other end of each of the plurality of wiring harness parts (31) being passed through one side of the base (101) and led outward.

2. The relay junction box according to claim 1, characterized in that: The housing (1) comprises a base (101), a shell (102) and a plurality of first fasteners (103), wherein: The base (101) and the shell (102) are arranged opposite to each other, and a plurality of first fasteners (103) are arranged on two opposite sides of the base (101). The outer side of the shell (102) is provided with a plurality of bayonet holes (100), and the positions of the bayonet holes (100) are arranged corresponding to the positions of the first fasteners (103). Each first fastener (103) is embedded in the bayonet hole (100) to fix the base (101) and the shell (102).

3. The relay junction box according to claim 2, characterized in that: The wiring harness unit (3) further comprises a plurality of connecting sheets (32), wherein: A plurality of first windows (110) are provided on a side of the base (101) away from the housing (102), and the positions of the first windows (110) are respectively arranged corresponding to the positions of the high-voltage sampling end and the relay control end of the relay body (2); A plurality of connecting sheets (32) are disposed in each first window (110) and are respectively fixedly connected to a high-voltage sampling terminal and a relay control terminal corresponding to the relay body (2); The plurality of wire harness parts (31) are embedded in the base (101), and one end of each wire harness part (31) is fixedly connected to a corresponding connecting sheet body (32).

4. The relay junction box according to claim 3, characterized in that: It also includes a connection terminal row (4), wherein the connection terminal row (4) is arranged on one side of the base (101), a second window (120) is opened on the outer side of the shell (102) and the position corresponds to the connection terminal row (4), and a plurality of cavities (400) are arranged in the connection terminal row (4) at intervals; the other ends of the plurality of wiring harness portions (31) pass through the base (101) and extend into the cavity (400) of each connection terminal row (4).

5. The relay junction box according to claim 1, characterized in that: The plurality of wire harness portions (31) are all conductive and are distributed at equal intervals along a width extension direction of the base (101).

6. The relay junction box according to claim 2, characterized in that: It also includes an input conductive bar (5), an output conductive bar (6) and a plurality of connecting columns (7), wherein: The input conductive bar (5) is arranged on a side of the relay body (2) away from the high-voltage sampling end and the relay control end, and the input conductive bar (5) is fixed to the input end of the relay body (2) by means of bolts; The output conductive bar (6) is arranged on a side of the relay body (2) away from the high-voltage sampling end and the relay control end, and the output conductive bar (6) is fixed to the output end of the relay body (2) by means of bolts; A plurality of connection posts (7) are arranged on the input conductive bar (5) and the output conductive bar (6) and are spaced apart and distributed in different directions, so as to facilitate the connection and fixation of the external copper bar.

7. The relay junction box according to claim 6, characterized in that: The plurality of connection columns (7) are distributed along the width and length direction of the base (101) on a side of the input conductive row (5) away from the relay body (2), and two adjacent connection columns (7) are arranged at intervals and close to the edge.

8. The relay junction box according to claim 7, characterized in that: It also includes a cover plate (8), a second snap-fitting member (9) and a positioning member (10), wherein: The cover plate (8) is arranged on a side of the housing (102) away from the base (101), and the cover plate (8) can rotate circumferentially toward a side of the connecting column (7); The second fastener (9) is arranged on one side of the cover plate (8); The positioning member (10) is arranged on the housing (102) and is arranged corresponding to the position of the second snap member (9). The cover plate (8) is turned to fit the housing (102) so that the second snap member (9) and the positioning member (10) are snapped together, and the plurality of connecting columns (7) are covered in the cover plate (8).

9. The relay junction box according to claim 8, characterized in that: The number of the second snap fasteners (9) and the positioning members (10) is equal, and the number of the second snap fasteners (9) is at least two, at least two second snap fasteners (9) are arranged on opposite sides of the cover plate (8), and at least two positioning members (10) are arranged on opposite sides of the housing (102), and the two opposite positioning members (10) are symmetrically arranged along the vertical plane of the width center line of the cover plate (8).

10. The relay junction box according to claim 3, characterized in that: It also includes a connecting piece (11) and a plug-in piece (12), wherein: The connecting member (11) is arranged on the outside of the housing (102) and is arranged opposite to the position of the connecting terminal row (4); The plug-in connector (12) is arranged on one side of the connecting member (11), and a plug-in slot (130) is provided on the connecting member (11), and the outer contour shape of the plug-in connector (12) matches the inner contour shape of the plug-in slot (130); Two adjacent housings (1) are inserted into the plug-in slots (130) via the opposing plug-in connectors (12), so that the two housings (1) are spliced ​​and assembled.

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