Disclosure of utility model
The utility model aims to solve the technical problems of disordered electrical wiring, unreasonable arrangement and inconvenient later maintenance in the existing power distribution cabinet.
In order to solve the technical problems, the power distribution cabinet comprises a cabinet body and electrical equipment arranged in the cabinet body, wherein a first port is formed in one side, close to the back surface of the cabinet body, of the electrical equipment, at least two first copper bars are arranged in the cabinet body and connected with the first port, the extending direction of the first copper bars is the direction from the back surface of the cabinet body to the front surface of the cabinet body, and the at least two first copper bars are sequentially distributed along the height direction of the cabinet body.
Further, the lengths of at least two first copper bars are gradually decreased downwards along the height direction of the cabinet body.
Further, the projections of two adjacent first copper bars in the horizontal direction are staggered.
Further, including at least two electrical equipment and second copper bar, at least two electrical equipment is followed the direction of height of the cabinet body is arranged in proper order, the second copper bar is followed the direction of height of the cabinet body extends, the second copper bar respectively with at least two electrical equipment's first port is connected, so that at least two electrical equipment passes through the second copper bar parallel connection, at least two first copper bar all with the second copper bar is connected.
Further, the electric equipment is provided with at least two second ports on one side close to the front face of the cabinet body, at least two third copper bars are arranged in a one-to-one matching mode with at least two second ports, and at least two third copper bars are connected with the electric current sensor.
Further, the current sensor is arranged below the electrical equipment and near the front of the cabinet body.
Further, the cabinet body comprises a support, the intermediate position of the length direction of support is equipped with the spacer, in order with the support interval forms first region and second region, electrical equipment includes circuit breaker and a plurality of parallelly connected direct current isolator, the circuit breaker is located first region, a plurality of direct current isolator is located the second region, a plurality of direct current isolator is followed the direction of height of support arranges in proper order.
Further, still include first positive door plant and second positive door plant, first positive door plant with the positive door plant of second is all rotationally located the support is close to the positive one side of cabinet body, first positive door plant corresponds first regional setting, the positive door plant of second corresponds the regional setting of second.
Further, the multifunctional cabinet further comprises an operation panel, wherein the operation panel is arranged on one side, close to the front face of the cabinet body, of the support.
Further, the novel cabinet further comprises a first back door plate and a second back door plate, wherein the first back door plate and the second back door plate are both arranged on one side, close to the back of the cabinet body, of the support, the first back door plate is arranged corresponding to the first area, and the second back door plate is arranged corresponding to the second area.
The power distribution cabinet has the beneficial effects that the first copper bar is adopted to connect the port of the electrical equipment, the electrical wiring in the power distribution cabinet can be more regular compared with a lead, the problem of messy electrical wiring in the power distribution cabinet is avoided, the first copper bar extends to the position of the cabinet body close to the front surface, and an operator can wire and maintain the electrical equipment on the front surface of the cabinet body. Therefore, the power distribution cabinet provided by the utility model is easier to reasonably arrange and design the internal electric elements, so that the electric wiring of the power distribution cabinet is regular, and the maintenance and wiring operation are easy.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 7, the utility model provides a power distribution cabinet, which comprises a cabinet body 1 and an electric device 2 arranged in the cabinet body, wherein a first port is arranged on one side of the electric device 2 close to the back surface of the cabinet body 1, the power distribution cabinet further comprises at least two first copper bars 3 arranged in the cabinet body, the first copper bars 3 are connected with the first port, the extending direction of the first copper bars 3 is the direction from the back surface of the cabinet body 1 to the front surface of the cabinet body 1, and at least two first copper bars 3 are sequentially arranged along the height direction of the cabinet body 1.
The power distribution cabinet has the beneficial effects that the first copper bar 3 is adopted to connect the port of the electrical equipment 2, so that the electrical wiring in the power distribution cabinet is more regular compared with a lead, the problem of disorder of the electrical wiring in the power distribution cabinet is avoided, the first copper bar 3 extends to the position of the cabinet body 1 close to the front, and an operator can wire and maintain the electrical equipment 2 on the front of the cabinet body 1. Therefore, the power distribution cabinet provided by the utility model is easier to reasonably arrange and design the internal electric elements, so that the electric wiring of the power distribution cabinet is regular, and the maintenance and wiring operation are easy.
Further, the lengths of at least two first copper bars 3 decrease downwards in sequence along the height direction of the cabinet body 1.
Further, the projections of the two adjacent first copper bars 3 in the horizontal direction are staggered with each other.
As shown in fig. 4, the projections of at least two first copper bars 3 in the horizontal direction are arranged in a step shape, and at least two split copper bars 31 are arranged in a mode of being long up, short down, low front and high back, which can ensure that the space between each first copper bar 3 which is orderly arranged along the height direction of the cabinet body 1 and the wire harness is abundant, and especially the adjacent two split copper bars 31 cannot interfere with each other when being connected, so that the space arrangement of the first copper bars 3 of the power distribution cabinet is reasonable, and the connection operation is more rapid and convenient.
Further, the electric cabinet comprises at least two electric equipment 2 and second copper bars 4, wherein at least two electric equipment 2 are sequentially arranged along the height direction of the cabinet body 1, the second copper bars 4 extend along the height direction of the cabinet body 1, the second copper bars 4 are respectively connected with at least two first ports of the electric equipment 2, so that at least two electric equipment 2 are connected in parallel through the second copper bars 4, and at least two first copper bars 3 are connected with the second copper bars 4.
As can be seen from the above description, when a plurality of electrical devices 2 need to be connected in parallel, the second copper bar 4 can be disposed, which is beneficial to not only the electrical wiring normalization design in the power distribution cabinet, but also the improvement of the structural integration level of the electrical devices 2, thereby meeting the development trend of the power distribution cabinet toward miniaturization.
Further, the electric appliance further comprises a current sensor 5 and at least two third copper bars 6, wherein at least two second ports are arranged on one side, close to the front face of the cabinet body 1, of the electric appliance 2, the at least two third copper bars 6 are arranged in one-to-one matching mode with the at least two second ports, and the at least two third copper bars 6 are connected with the current sensor 5.
As is apparent from the above description, the wiring operation of the power distribution cabinet can be completed on the front surface of the cabinet body 1 through the designs of the first copper bar 3, the second copper bar 4 and the third copper bar 6.
Further, the current sensor 5 is disposed below the electrical device 2 and near the front of the cabinet 1.
As is clear from the above description, the length of the third copper bar 6 can be shortened by such a structural design.
Further, the cabinet body 1 includes a support 11, a spacer 111 is disposed at a middle position of the support 11 in a length direction, so that a first area 112 and a second area 113 are formed by spacing the support 11, the electrical device 2 includes a circuit breaker 22 and a plurality of parallel dc isolating switches 21, the circuit breaker 22 is disposed in the first area 112, a plurality of dc isolating switches 21 are disposed in the second area 113, and a plurality of dc isolating switches 21 are sequentially arranged along a height direction of the support 11.
From the above description, the switch module and the circuit breaker 22 are arranged in the power distribution cabinet along the horizontal direction of the cabinet body 1, so that the electrical equipment 2 in the power distribution cabinet is reasonably arranged, the regularity of the wiring inside the power distribution cabinet is more easily improved, and the wiring and maintenance operation convenience of the power distribution cabinet is improved.
Further, the front door plate further comprises a first front door plate 12 and a second front door plate 13, the first front door plate 12 and the second front door plate 13 are both rotatably arranged on one side, close to the front face of the cabinet body 1, of the bracket 11, the first front door plate 12 is arranged corresponding to the first area 112, and the second front door plate 13 is arranged corresponding to the second area 113.
As can be seen from the above description, the power distribution cabinet can be wired and maintained by opening the first front door panel 12 and the second front door panel 13 during daily use, and the power distribution cabinet is more convenient and quick to wire and maintain.
Further, the portable electronic device further comprises an operation panel 14, wherein the operation panel 14 is arranged on one side of the bracket 11 close to the front surface of the cabinet body 1.
As can be seen from the above description, the operation panel 14 can shield the electrical equipment 2 and the electrical wiring in the power distribution cabinet, so as to improve the safety performance of the operator for debugging the power distribution cabinet.
Further, the cabinet further comprises a first back door plate 15 and a second back door plate 16, the first back door plate 15 and the second back door plate 16 are both arranged on one side, close to the back of the cabinet body 1, of the bracket 11, the first back door plate 15 is arranged corresponding to the first area 112, and the second back door plate 16 is arranged corresponding to the second area 113.
Example 1
Referring to fig. 1 to 7, a first embodiment of the present utility model is to provide a power distribution cabinet, which includes a cabinet body 1, electrical equipment 2 disposed in the cabinet body 1, and at least two first copper bars 3 disposed in the cabinet body 1.
Referring to fig. 1 to 3, in the present embodiment, the cabinet body 1 includes a bracket 11, a first front door panel 12, a second front door panel 13, a first back door panel 15 and a second back door panel 16, wherein, for convenience in arranging the electrical equipment 2 in the cabinet body 1, a spacing portion 111 is disposed at a middle position in a length direction of the bracket 11, so as to form a first area 112 and a second area 113 by spacing the bracket 11, the electrical equipment 2 includes a circuit breaker 22 and two parallel DC isolation switches 21, the circuit breaker 22 is disposed in the first area 112, the two DC isolation switches 21 are disposed in the second area 113, input ports of the two DC isolation switches 21 are respectively connected with two AC-DC power sources, and the two DC isolation switches 21 are sequentially arranged along a height direction of the bracket 11.
Referring to fig. 3, it is easy to see that the first front door panel 12 and the second front door panel 13 are rotatably disposed on one side of the bracket 11 near the front of the cabinet 1, the first front door panel 12 is disposed corresponding to the first area 112, the second front door panel 13 is disposed corresponding to the second area 113, so that the front of the cabinet 1 forms a double door structure, which is convenient for opening or closing the cabinet 1, the first back door panel 15 and the second back door panel 16 are disposed on one side of the bracket 11 near the back of the cabinet 1, the first back door panel 15 is disposed corresponding to the first area 112, the second back door panel 16 is disposed corresponding to the second area 113, and both sides of the bracket 11 in the width direction are provided with side door panels 17. The above-mentioned each door plant adopts the bolt fastening to be in on the support 11, and the bolt can be dismantled to the convenience is maintained or is replaced the operation to the inside electrical equipment 2 of cabinet body 1.
The direct current isolating switch 21 is opened and closed daily or other electrical equipment 2 is regulated by a key without wiring operation, so in order to improve the operation safety of the power distribution cabinet, the operation panel 14 is arranged on one side of the bracket 11 close to the front of the cabinet body 1 in the embodiment, so as to play a role in shielding the electrical wiring of each electrical equipment 2 in the bracket 11.
In the present embodiment, the at least two first copper bars 3 include at least two shunt copper bars 31 connected to the dc disconnector 21 and an input copper bar 32 connected to the circuit breaker 22.
Specifically, please refer to fig. 5 to 7 as a reference, in this embodiment, the power distribution cabinet further includes a second copper bar 4, two dc isolating switches 21 are sequentially arranged along the height direction of the cabinet body 1, the two dc isolating switches 21 are disposed at the lower position of the first area 112, the second copper bar 4 extends along the height direction of the cabinet body 1, the second copper bar 4 is connected with the two dc isolating switches 21, so that the two dc isolating switches 21 are connected in parallel through the second copper bar 4, and at least two shunt copper bars 31 are connected with the second copper bar 4.
In detail, the two second copper bars 4 are provided with two altogether, the two second copper bars 4 comprise an anode second copper bar and a cathode second copper bar, the anode second copper bar is respectively connected with anode ports of the two direct current isolating switches 21, the cathode second direct current copper bar is respectively connected with cathode ports of the two direct current isolating switches 21, the anode ports and the cathode ports are first ports of the direct current isolating switches 21, the at least two shunt copper bars 31 comprise two anode shunt copper bars and two cathode shunt copper bars, the two anode shunt copper bars are all connected with the anode second copper bar, and the two cathode shunt copper bars are all connected with the cathode second copper bar. The two anode shunt copper bars are respectively connected with the anode of the converter and the anode of the electric cabinet, and the two cathode shunt copper bars are respectively connected with the cathode of the converter and the cathode of the electric cabinet.
The two positive electrode shunting copper bars are arranged on one side, far away from the spacing part 111, of the first area 112, and the extending direction of the positive electrode shunting copper bars is the direction from the back surface of the cabinet body 1 to the front surface of the cabinet body 1, that is to say, in the embodiment, the positive electrode shunting copper bars extend along the width direction of the cabinet body 1, and the two positive electrode shunting copper bars are sequentially arranged along the height direction of the cabinet body 1, the length of the positive electrode shunting copper bars is sequentially decreased downwards along the height direction of the cabinet body 1, and the projections of the two positive electrode shunting copper bars on the horizontal direction are mutually staggered. As shown in fig. 4, the projections of the two positive electrode shunt copper bars on the horizontal direction are arranged in a step shape, the two positive electrode shunt copper bars are arranged in a mode of long upper part, short lower front and high rear, and the two positive electrode shunt copper bars are in space-abundant and can not interfere with each other when being connected with the wire harness, so that the space arrangement of the two positive electrode shunt copper bars in the embodiment is reasonable, and the wiring operation is convenient and quick.
The two negative electrode shunt copper bars are arranged on one side, close to the separation part, of the first region 112, and the arrangement mode of the two negative electrode shunt copper bars is identical to that of the two positive electrode shunt copper bars, so that the obtained effects are consistent, and no description is repeated here.
In this embodiment, the circuit breaker 22 is disposed below the second area 113, and the input copper bars 32 are three in total, the three input copper bars 32 include a first input copper bar 32, a second input copper bar 32 and a third input copper bar 32, three input ports are disposed on the circuit breaker 22, the three input ports are first ports of the circuit breaker 22, and the three input copper bars 32 are respectively connected with three ac power sources.
The first input copper bar 32 and the second input copper bar 32 are both disposed on a side of the second area 113 near the partition portion, the arrangement direction of the first input copper bar 32 and the second input copper bar 32 is the same as that of the two positive electrode shunt copper bars, the obtained effects are identical, and will not be described herein, the third input copper bar 32 is disposed on a side of the second area 113 far from the partition portion 111, and the third input copper bar 32 extends from a position of the cabinet body 1 near the back to a position of the cabinet body 1 near the front, that is, in this embodiment, the third input copper bar 32 extends along the width direction of the cabinet body 1.
In this embodiment, the side of the circuit breaker 22 near the front of the cabinet body 1 is further provided with three output ports, the output ports are second ports of the circuit breaker 22, the accessory cabinet further comprises a current sensor 5 and at least three third copper bars 6, the three third copper bars 6 are respectively connected with the three second ports, the three third copper bars 6 are respectively connected with the current sensor 5, and the three third copper bars 6 are respectively used for outputting alternating current.
It should be understood that the electrical devices in the power distribution cabinet of the present utility model are not limited to the dc isolating switch and the circuit breaker described in the foregoing embodiments, and the described specific embodiments relate only to a non-exhaustive list, and those skilled in the art may correspondingly adjust the structure of the cabinet body, the type of the electrical devices, the specific structure of the copper bars, and the like according to practical situations.
In this embodiment, two cooling fans 7 are provided on the top of the bracket 11 to cool and dissipate heat, the cooling fans 7 are fastened on the top of the bracket 11 through bolts, if the cooling fans 7 are required to be maintained, the cabinet body 1 is not required to be removed, and only the bolts of the cooling fans 7 are required to be removed for replacement, the electrical equipment 2 of the power distribution cabinet further comprises a transformer 8 and a photovoltaic controller 9, the transformer 8 and the photovoltaic controller 9 are all heavy-point thermoelectric devices, so that the transformer 8 and the photovoltaic controller 9 are arranged on the top of the bracket 11, and an air duct is formed by enclosing each door panel, so that the transformer 8 and the photovoltaic controller 9 can dissipate heat conveniently.
In summary, according to the power distribution cabinet provided by the utility model, the first copper bar 3 is adopted to connect the port of the electrical equipment 2, so that the electrical wiring in the power distribution cabinet is more regular relative to the wires, the problem of disorder of the electrical wiring in the power distribution cabinet is avoided, the first copper bar 3 extends to the position of the cabinet body 1 close to the front, and an operator can wire and maintain the electrical equipment 2 on the front of the cabinet body 1. Therefore, the power distribution cabinet provided by the utility model is easier to reasonably arrange and design the internal electric elements, so that the electric wiring of the power distribution cabinet is regular, and the maintenance and wiring operation are easy.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.