CN216121399U - High-current integrated distribution box - Google Patents

Abstract

The utility model discloses a large-current integrated distribution box which comprises a box body with an installation cavity, an input interface, an output interface, a plurality of protection switches, a circuit board and a plurality of current sensors, wherein the input interface, the output interface and the protection switches are installed on the box body, the circuit board and the current sensors are installed in the installation cavity, the input interface and the output interface are installed on a rear side plate of the box body, the protection switches are installed outside a front side plate of the box body, the current sensors are arranged close to the front side plate and are vertically fixed on a bottom plate of the box body in a row at a certain interval along the left-right direction of the installation cavity, and detection holes of the current sensors penetrate through the current sensors along the front-back direction of the installation cavity. Compared with the prior art, the utility model can be used for the distribution box of a large-current multi-distribution circuit, is convenient to arrange wires and small in volume, can avoid detection interference among different distribution circuits, and is convenient for later maintenance and management.

Description

High-current integrated distribution box

Technical Field

The utility model relates to a power distribution device, in particular to a device layout of a large-current integrated distribution box.

Background

In the power electronic technology field, in order to conveniently install power equipment and save installation space thereof, a plurality of input sockets, output sockets, circuit breakers, shunt copper bars and other electronic components are integrated in the same box body to form a distribution box.

Referring to chinese patent CN201910163482.5, an integrated power distribution module is disclosed, which comprises an output/input terminal row, a control switch and a circuit board installed between the input/output terminal row and the control switch, wherein a printed circuit is directly formed on the circuit board for connecting the input/output terminal row and the control switch, and the power distribution device can only be used for low current power distribution and cannot be used for high current power distribution. And current heavy current switch board is often done very big again, and the cable electric wire of the inside is extremely many, must use large-scale current sensor to carry out current detection moreover, and whole switch board inner structure is complicated, and the circuit arrangement is chaotic, is unfavorable for later stage maintenance management.

Therefore, there is a need for an integrated power distribution device that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-current integrated distribution box which can be used for a distribution box of a high-current multi-distribution circuit, is convenient to arrange wires and small in size, can avoid detection interference among different distribution circuits, and is convenient for later maintenance and management.

In order to achieve the purpose, the utility model discloses a high-current integrated distribution box which comprises a box body with an installation cavity, an input interface, an output interface, a plurality of protection switches, a circuit board and a plurality of current sensors, wherein the input interface, the output interface and the protection switches are installed on the box body, the circuit board and the current sensors are installed in the installation cavity, the input interface and the output interface are installed on a rear side plate of the box body, the protection switches are installed outside a front side plate of the box body, the current sensors are arranged close to the front side plate and are vertically fixed on a bottom plate of the box body in a row at a certain interval along the left-right direction of the installation cavity, and detection holes of the current sensors penetrate through the current sensors along the front-back direction of the installation cavity.

Compared with the prior art, the utility model has the advantages that the input interface and the output interface are arranged on the rear side plate of the box body, the protection switch is arranged on the front side plate of the box body, the current sensors are arranged between the front side plate and the rear side plate in parallel and correspondingly penetrate through a cable on a power supply loop, the wire arrangement is convenient, the circuit is clear after the wire arrangement, the cross is less, and the later maintenance and management are convenient. It is reasonable to arrange, and the block terminal is small. The current sensors are arranged in parallel at a certain interval, so that detection interference among different power distribution loops can be avoided.

Preferably, a plurality of power distribution loops are formed between the input interface and the output interface, the protection switch is connected in series on the power distribution loops and controls the on-off of the power distribution loops, the current sensors are in one-to-one correspondence with the power distribution loops and correspondingly detect the current of the power distribution loops, and the circuit board is respectively connected with the current sensors and the protection switch so as to control the on-off of the protection switch according to the current of the power distribution loops.

Preferably, a plurality of groups of wiring bars corresponding to the current sensors are further arranged between the mounting area of the current sensor and the rear side plate, and each wiring bar is provided with a plurality of switching columns.

Specifically, a first cable which penetrates through the front and the back of the installation cavity is arranged between the input interface and the protection switch, a second cable which penetrates through a detection hole of the current sensor is arranged between the protection switch and the wiring bar, and a patch cord is arranged between the wiring bar and the output interface.

Specifically, the terminal block is arranged along the front-rear direction of the mounting cavity.

Specifically, each wiring row is provided with a plurality of mounting holes along the fore-and-aft direction of installation cavity, the switching post including install in fixing bolt on the mounting hole and with the nut of fixing bolt's end is fixed.

More specifically, each adapter column is further provided with a wire guide piece with an opening at the upper end, the front end of the wire guide piece is provided with a guide pipe for a cable to pass through, the rear end of the wire guide piece is provided with a fixing piece fixed on the adapter column, and the fixing piece passes through the fixing bolt and is arranged between the nut of the fixing bolt and the wire row.

Specifically, the wiring row with still be provided with the bunch board that the face set up between the output interface, bunch board is followed the left and right sides direction setting of installation cavity, just be provided with one row or multirow bunch hole that runs through on the face of bunch board, every row of bunch hole has a plurality of edge the bunch hole that the installation cavity left and right sides direction was arranged.

Specifically, both ends of the wire bundling plate are fixedly connected with the left side plate and the right side plate of the box body, and a certain distance is reserved between the two ends of the wire bundling plate and the bottom plate of the box body.

Preferably, a handle is further formed on the front side of the box body of the distribution box.

Drawings

Fig. 1 is a perspective view of a high current integrated power distribution box of the present invention.

Fig. 2 is a schematic structural diagram of the high-current integrated distribution box of the utility model with an angle formed by removing the upper cover plate and the rear cover plate.

Fig. 3 is a schematic structural view of the high-current integrated distribution box of the utility model at another angle after the upper cover plate and the rear cover plate are removed.

Fig. 4 is an enlarged schematic view of portion a of fig. 2 of the present invention.

Fig. 5 is an enlarged view of a portion of fig. 3 of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 5, the utility model discloses a high-current integrated distribution box 100, which includes a box body 10 having a mounting cavity 101, input interfaces (11, 12), output interfaces (13, 14), a plurality of protection switches, a circuit board mounted in the mounting cavity 101, and a plurality of current sensors 22, wherein the input interfaces (11, 12) and the output interfaces (13, 14) are mounted on a rear side plate 103 of the box body 10, the protection switches are mounted outside a front side plate of the box body 10, the plurality of current sensors 22 are arranged adjacent to the front side plate 102 and are vertically fixed on a bottom plate of the box body 10 in a row at a certain interval along a left-right direction of the mounting cavity 101, and detection holes 221 of the current sensors 22 penetrate through the current sensors 22 along a front-back direction of the mounting cavity 101. In the present embodiment, the current sensor 22 is a sensor for detecting a large current.

Referring to fig. 5, the conductive interface comprises an input interface (11, 12), several output interfaces (13, 14). The integrated distribution box 100 further comprises a circuit board (not shown) installed in the installation cavity 101, the input interfaces (11 and 12) and the output interfaces (13 and 14) are connected to form a plurality of distribution loops, referring to fig. 2, each distribution loop is provided with an air switch 21 for controlling the on/off of the distribution loop and a current sensor 22 for detecting the current of the distribution loop, and the circuit board controls the operation of the air switch 21 according to the current detected by the current sensor 22. Of course, the air switch 21 can be replaced by other protection switches, such as a circuit breaker and a contactor.

The integrated distribution box 100 of the present invention is a UPS integrated distribution box.

Referring to fig. 2, fig. 3 and fig. 5, the input interface includes commercial power input interface 11 and a plurality of UPS input interface 12, the output interface includes commercial power output interface 13 and a plurality of UPS output interface 14, commercial power input interface 11 with the distribution circuit that forms between commercial power output interface 13 is called commercial power distribution circuit, UPS input interface 12 with distribution circuit between UPS output interface 14 is called UPS distribution circuit, still be provided with switching power supply 23, commercial power input switch 24, lightning protection device, lightning protection switch on the input of commercial power distribution circuit, UPS distribution circuit still is equipped with control switch 27.

Referring to fig. 2, fig. 3 and fig. 5, the commercial power input interface 11, the UPS input interface 12, the commercial power output interface 13 and the UPS output interface 14 are installed on the rear side plate 103 of the box 10, the air switch 21 is installed outside the front side plate 102 of the box 10, and the front side plate 102 is further provided with two rows of upper and lower through holes 1021 through which the cable passes. The front side plate of the box body 10 is also provided with a front mounting plate 107, and the switching power supply 23, the commercial power input switch 24, the lightning protection device 25, the lightning protection switch 26 and the control switch 27 are mounted on the front mounting plate 107. Wherein, the rear side plate is an epoxy plate.

Referring to fig. 5, a primary installation cavity 109 is formed outside the rear side plate 103, a through groove 63 communicated with the outside is formed in the cavity wall of the secondary installation cavity 109, a distributing piece 62 is installed in the secondary installation cavity 109, the distributing piece 62 is opposite to the cavity wall of the secondary installation cavity 109 and is installed on the cavity wall of the secondary installation cavity 109, a cable clamping area is formed between the distributing piece 62 and the cavity wall where the distributing piece 62 is installed, a through distributing hole 621 is formed in the distributing piece 62, and the cable sequentially penetrates through the through groove 63, the cable clamping area and the distributing hole 621 and then is electrically connected with the conductive interface.

A rear cover plate (not shown) having a certain distance from the rear side plate 103 is further installed outside the rear side plate 103 of the installation cavity 101, and a secondary installation cavity 109 is formed between the rear cover plate and the rear side plate 103 of the installation cavity. In this embodiment, the through groove 63 is provided in the rear cover plate.

Referring to fig. 5, the wire-splitting tabs 62 are secured to the walls of the sub-mounting cavity 109 by four anchor points 622 around the perimeter, thereby forming wire-splitting zones between adjacent anchor points.

Referring to fig. 5, a plurality of wire guides penetrating from the edge to the wire distribution hole 621 are formed on the side of the wire distribution sheet 62 opposite to the cavity wall on which the wire distribution sheet 62 is mounted.

Referring to fig. 5, at least one row of binding lines 61 arranged along the left and right direction of the installation cavity is installed on the secondary installation cavity 109, and a plurality of binding holes 611 are formed in the binding lines 61. Each row of the wire-binding holes 611 are arranged along the left-right direction of the installation cavity 101 at a certain interval, and when a plurality of rows of the wire-binding holes 611 are arranged, the plurality of rows of the wire-binding holes 611 are arranged along the front-back direction of the installation cavity 101.

Referring to fig. 5, the binding row 61 is spaced apart from the top wall and the bottom wall of the secondary accommodating chamber 101, respectively, so that the binding row is fixed in the secondary accommodating chamber 109 in a suspended manner.

Referring to fig. 5, there are at least two distributing tabs 62, at least one distributing tab 62 is fixed on the upper cavity wall 109 of the secondary installation cavity and forms an upper cable clamping area with the upper cavity wall, at least one distributing tab is fixed on the lower cavity wall 109 of the secondary installation cavity and forms a lower cable clamping area with the lower cavity wall, and a cable connected to the input interface and a cable connected to the output interface respectively pass through the upper cable clamping area and the lower cable clamping area.

Wherein, the cable include with the utility power cable that the utility power interface electricity is connected, with the UPS cable that the UPS interface electricity is connected, run through groove 63 including close to the first run through groove that utility power interface (11, 13) set up, close to the second run through groove that UPS interface (12, 14) set up, separated time piece 62 is close to the second runs through the groove. The utility power cable penetrates through the first through groove to be electrically connected with the utility power interfaces (11, 13), and the UPS cable penetrates through the second through groove, the cable clamping area and the branching hole in sequence to be electrically connected with the UPS interfaces (12, 14).

Referring to fig. 2 and 3, a wiring block 41 is further disposed between the mounting area of the current sensor 22 and the rear side plate 103, and each wiring block 41 has a plurality of adapter posts 42. Wherein two sets of terminal blocks 41 are provided in this embodiment. The transfer post 42 is a transfer copper post.

Referring to fig. 4, each of the terminal blocks 41 is provided with a plurality of mounting holes along the front-rear direction of the mounting cavity, and the adapter column 42 includes a fixing bolt 421 mounted on the mounting hole and a nut fixed to the end of the fixing bolt 421. Specifically, each of the adapter columns 42 is further provided with a wire guide 43 with an open upper end, a conduit 431 through which a cable passes is formed at the front end of the wire guide 43, and a fixing piece 432 fixed on the adapter column 42 is formed at the rear end of the wire guide 43, and the fixing piece passes through the fixing bolt 421 and is installed between the nut of the fixing bolt 421 and the wire row 41.

The cables (not shown) forming the power distribution loop include a first cable extending from the input interfaces (11, 12) to the front plate 102 along the lower cavity wall of the installation cavity 101, a first cable passing through a through hole in the lower row of the front plate 102 and electrically connected with the air switch 21 as an input end, a detection hole 221 electrically connected with the output end of the relay 21 and passing through the current sensor 22, a second cable connected with the adapter column 411, and a patch cord electrically connected with the adapter column 411 at one end and the output interfaces (13, 14) at the other end. The second cable passes through the detection hole 221 corresponding to the current sensor 22.

Referring to fig. 2 and 3, a mounting platform 40 having a certain distance from the lower side plate of the mounting cavity 101 is mounted between the mounting area of the current sensor 22 and the rear side plate 103, and the terminal block 41 is mounted on the mounting platform 40.

The mounting platform 40 is formed by a mounting plate fixed to the left side plate 104 and the right side plate 105 of the box 10, the mounting plate has a certain distance with respect to the bottom plate of the housing 10, and the mounting plate has a plurality of mounting holes on the left and right sides for directly fixing the mounting plate in the box 10 in an overhead manner to form the mounting platform.

Referring to fig. 2 and 3, a wiring board 50 is further disposed between the wiring board 41 and the conductive interface, the wiring board 50 is disposed along the left and right directions of the installation cavity 10, one or more rows of wiring holes 51 are disposed on the surface of the wiring board 50, and each row of wiring holes 51 is provided with a plurality of wiring holes arranged along the left and right directions of the installation cavity 10. Patch cords pass through the harness plate 50 and are secured to the harness plate by straps from harness holes 51. Wherein, the plate surface of the wire bundling plate 50 is arranged upwards. The wire bundling plate 50 is a wire bundling plate.

Preferably, both ends of the wire bundling plate 50 are fixedly connected to the left side plate 104 and the right side plate 105 of the box 10, and are arranged in an overhead manner with respect to the bottom plate of the box 10.

Wherein, the left side plate 104 and the right side plate 105 of the box 10 are provided with one or more rows of through heat dissipation holes 1041.

Referring to fig. 1 and 2, the case 10 is further formed at a front side thereof with a handle.

The utility model has high integration, even can meet the installation of a standard 19-inch cabinet, can realize the effects of convenient installation and concise maintenance, and is convenient for later maintenance and management.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims (10)

1. The utility model provides an integrated block terminal of heavy current, includes the box that has the installation cavity, installs input interface, output interface, a plurality of protection switch on the box, install in circuit board, a plurality of current sensor in the installation cavity, its characterized in that: the input interface and the output interface are mounted on a rear side plate of the box body, the protection switch is mounted outside a front side plate of the box body, the plurality of current sensors are arranged close to the front side plate and are vertically fixed on a bottom plate of the box body in a row at a certain interval in the left-right direction of the installation cavity, and detection holes of the current sensors penetrate through the current sensors in the front-back direction of the installation cavity.

2. The high current integrated power distribution box of claim 1, wherein: the protection switch is connected in series with the power distribution loop and controls the on-off of the power distribution loop, the current sensors correspond to the power distribution loop one by one and detect the current of the power distribution loop correspondingly, and the circuit board is connected with the current sensors and the protection switch respectively so as to control the on-off of the protection switch according to the current of the power distribution loop.

3. The high current integrated power distribution box of claim 1, wherein: a plurality of groups of wiring rows corresponding to the current sensors are further arranged between the mounting area of the current sensors and the rear side plate, and each wiring row is provided with a plurality of switching columns.

4. A high current integrated power distribution box according to claim 3, wherein: first cables penetrating through the front and the back of the installation cavity are arranged between the input interface and the protection switch, second cables penetrating through the detection holes of the current sensors are arranged between the protection switch and the wiring bar, and patch cords are arranged between the wiring bar and the output interface.

5. A high current integrated power distribution box according to claim 3, wherein: the wiring row is arranged along the front-back direction of the installation cavity.

6. A high current integrated power distribution box according to claim 3, wherein: each wiring row is provided with a plurality of mounting holes along the fore-and-aft direction of installation cavity, the switching post including install in fixing bolt on the mounting hole and with the nut that fixing bolt's end is fixed.

7. The high current integrated power distribution box of claim 6, wherein: each still install upper end open-ended wire spare on the switching post, the front end of wire spare forms the pipe that the power cable passed, and the rear end forms and is fixed in the stationary blade on the switching post, the stationary blade passes fixing bolt install in between fixing bolt's nut and wire row.

8. A high current integrated power distribution box according to claim 3, wherein: the wiring row with still be provided with the bunch board that the face set up between the output interface, bunch board is followed the left and right sides direction of installation cavity sets up, just be provided with one row or multirow bunch hole that runs through on the face of bunch board, every row bunch hole has a plurality of and follows the bunch hole that the installation cavity left and right sides direction was arranged.

9. The high current integrated power distribution box of claim 8, wherein: the two ends of the wire bundling plate are fixedly connected with the left side plate and the right side plate of the box body, and a certain distance is reserved between the two ends of the wire bundling plate and the bottom plate of the box body.

10. The high current integrated power distribution box of claim 1, wherein: and a handle is further formed on the front side of the box body of the distribution box.

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