CN221057854U - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
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- CN221057854U CN221057854U CN202322487770.0U CN202322487770U CN221057854U CN 221057854 U CN221057854 U CN 221057854U CN 202322487770 U CN202322487770 U CN 202322487770U CN 221057854 U CN221057854 U CN 221057854U
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- power distribution
- monitoring unit
- interface
- distribution monitoring
- electrically connected
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- 238000012544 monitoring process Methods 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 37
- 230000001012 protector Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a power distribution cabinet which comprises a main branch, a branch, a distribution monitoring unit slave machine and a distribution monitoring unit host machine, wherein the main branch is electrically connected with a first miniature circuit breaker and is provided with a first current transformer; the plurality of branch branches are electrically connected to the main branch through the first miniature circuit breaker, and each branch is electrically connected with the second miniature circuit breaker and is provided with the second current transformer; at least one of a stock interface and an expansion interface of the slave machine of the power distribution monitoring unit is electrically connected with the second miniature circuit breaker and the second current transformer; the power distribution monitoring unit host is electrically connected with the signal output ends of the first miniature circuit breaker and the first current transformer respectively, and is in communication connection with the power distribution monitoring unit slave, and the power distribution monitoring unit host is electrically connected with the display and the upper computer. The slave machine of the power distribution monitoring unit is provided with a stock interface and an expansion interface, so that expansion and maintenance can be facilitated.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a power distribution cabinet.
Background
The power distribution cabinet is one kind of distribution box. The distribution boxes are divided into a power distribution box and an illumination distribution box, and are final-stage equipment of a distribution system. The distribution box is to assemble the switch equipment, the measuring instrument and the protection electrical and auxiliary equipment in the closed or semi-closed metal cabinet or on the screen according to the electrical wiring requirement to form the low-voltage distribution device. The existing power distribution cabinet is usually customized, namely corresponding connecting lines and modules are pre-configured, so that wiring expansion and maintenance are inconvenient.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the power distribution cabinet which can be conveniently expanded and maintained.
The embodiment of the utility model provides a power distribution cabinet, which comprises: the main branch circuit is electrically connected with a first miniature circuit breaker, and a first current transformer is also arranged on the main branch circuit; the plurality of branch circuits are electrically connected to the main circuit through the first miniature circuit breaker, and each branch circuit is electrically connected with a second miniature circuit breaker and is provided with a second current transformer; the power distribution monitoring unit slave machine is provided with a stock interface and an expansion interface, and at least one of the stock interface and the expansion interface is electrically connected with the second miniature circuit breaker and the second current transformer; the power distribution monitoring unit host computer has first input interface, first communication interface, first output interface and second output interface, the first input interface of power distribution monitoring unit host computer respectively with first miniature circuit breaker with the signal output part electric connection of first current transformer, the first communication interface of power distribution monitoring unit host computer with power distribution monitoring unit slave computer communication connection, the first output interface electric connection of power distribution monitoring unit host computer has the display, the second output interface electric connection of power distribution monitoring unit host computer is in the host computer.
According to some embodiments of the utility model, the first miniature circuit breaker is further electrically connected to a surge protector, and is grounded through the surge protector, and a signal output end of the surge protector is electrically connected to the power distribution monitoring unit host.
According to some embodiments of the utility model, a third miniature circuit breaker is electrically connected between the first miniature circuit breaker and the surge protector.
According to some embodiments of the utility model, the power distribution monitoring unit slave comprises a plurality of sets of signal interfaces, at least one of the plurality of sets of signal interfaces being used as the expansion interface.
According to some embodiments of the utility model, each set of the signal interfaces includes a plurality of signal connections electrically connected to the signal output of the second current transformer.
According to some embodiments of the utility model, the power distribution monitoring unit slave is provided with two second communication interfaces, wherein one second communication interface is in communication connection with the first communication interface.
According to some embodiments of the utility model, the number of the distribution monitoring unit slaves is at least two, and at least two distribution monitoring unit slaves are connected in series through the second communication interface.
According to some embodiments of the present utility model, the number of the first communication interfaces of the power distribution monitoring unit host is two, wherein one of the first communication interfaces is a stock interface, and the other first communication interface is an expansion interface.
The embodiment of the utility model has at least the following beneficial effects:
the slave machine of the power distribution monitoring unit is provided with a stock interface and an expansion interface, wiring expansion is facilitated, signals of a plurality of branch branches are collected through the slave machine of the power distribution monitoring unit, the collected signals are transmitted to the host machine of the power distribution monitoring unit, wiring is neat and clear, and wiring maintenance is facilitated.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a schematic circuit diagram of a power distribution cabinet according to an embodiment of the present utility model;
FIG. 2 is a circuit wiring diagram of a power distribution monitoring unit master and a power distribution monitoring unit slave according to an embodiment of the present utility model;
Fig. 3 is a circuit wiring diagram of a slave series of power distribution monitoring units according to an embodiment of the present utility model.
Reference numerals:
the main branch 100, the branch 200, the distribution monitoring unit slave 300, the distribution monitoring unit master 400, the display 500, the upper computer 600, the first miniature circuit breaker 101, the first current transformer 102, the second miniature circuit breaker 201, the second current transformer 202, the surge protector 103, the third miniature circuit breaker 104, the stock interface 301, the expansion interface 302, the first communication interface 401, the second communication interface 303
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, the meaning of "a number" means one or more, the meaning of "a plurality" means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and "above", "below", "within", etc. are understood to include the present number. If any, the terms "first," "second," etc. are used for distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as "disposed," "mounted," "connected," and the like are to be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by those skilled in the art in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the present embodiment discloses a power distribution cabinet, which includes a main branch 100, a branch 200, a distribution monitoring unit slave 300 and a distribution monitoring unit host 400, wherein the main branch 100 is electrically connected with a first miniature circuit breaker 101, a first current transformer 102 is further installed on the main branch 100, the first current transformer 102 is used for collecting current signals on the main branch 100, the number of the branch 200 is multiple, the branch 200 has a common input node, the common input node of the branch 200 is electrically connected with the first miniature circuit breaker 101, the branch 200 is electrically connected with the main branch 100 through the first miniature circuit breaker 101, a second miniature circuit breaker 201 is electrically connected with each branch 200, and a second current transformer 202 is installed on each branch 200, the distribution monitoring unit slave 300 has a standby interface 301 and an expansion interface 302, at least one of the stock interface 301 and the expansion interface 302 is electrically connected to the second miniature circuit breaker 201 and the second current transformer 202, the second current transformer 202 is used for collecting current signals on the corresponding branch circuit 200 and transmitting the collected current signals to the distribution monitoring unit slave 300, the distribution monitoring unit host 400 is provided with a first input interface, a first communication interface 401, a first output interface and a second output interface, the first input interface of the distribution monitoring unit host 400 is electrically connected with the signal output ends of the first miniature circuit breaker 101 and the first current transformer 102 respectively, the first communication interface 401 of the distribution monitoring unit host 400 is in communication connection with the distribution monitoring unit slave 300, the first output interface of the distribution monitoring unit host 400 is electrically connected with the display 500, the second output interface of the distribution monitoring unit host 400 is electrically connected with the upper computer 600, wherein the power distribution monitoring unit host 400 collects the monitoring signal from the first miniature circuit breaker 101 and the current detection signal of the first current transformer 102.
The power distribution monitoring unit slave 300 of the embodiment is provided with the stock interface 301 and the expansion interface 302, so that wiring is conveniently expanded, signals of the plurality of branch circuits 200 are collected through the power distribution monitoring unit slave 300, the collected signals are transmitted to the power distribution monitoring unit host 400, wiring is neat and clear, and wiring maintenance is convenient.
Referring to fig. 1, the first miniature circuit breaker 101 is further electrically connected to a surge protector 103, and is grounded through the surge protector 103, and a signal output end of the surge protector 103 is electrically connected to the power distribution monitoring unit host 400. The surge protector 103 is used for protecting the multiple branch circuits 200, avoiding faults of the branch circuits 200 caused by surge currents, and the power distribution monitoring unit host 400 collects monitoring signals of the surge protector 103 so as to record parameters and time when faults occur.
With continued reference to fig. 1, a third miniature circuit breaker 104 is electrically connected between the first miniature circuit breaker 101 and the surge protector 103, and the third miniature circuit breaker 104 is used for protecting a branch circuit where the surge protector 103 is located.
Referring to fig. 2, the power distribution monitoring unit slave 300 includes a plurality of signal interfaces, at least one of which is used as an expansion interface 302. The extension interface 302 is reserved on the power distribution monitoring unit slave machine 300, so that wiring extension can be conveniently carried out in the subsequent use process. Each set of signal interfaces includes a plurality of signal connection terminals electrically connected to the signal output terminals of the second current transformer 202.
The power distribution monitoring unit slave machine 300 is provided with two second communication interfaces 303, wherein one second communication interface 303 is in communication connection with the first communication interface 401. The distribution monitoring unit slave 300 can be installed near the branch 200, so that the wiring distance is shortened, the distribution monitoring unit slave 300 collects signals of a plurality of branch 200, the collected signals can be uniformly transmitted to the distribution monitoring unit host 400, the number of long-distance transmission lines is reduced, and the uniformity and maintainability of wiring are improved.
Referring to fig. 3, the number of the power distribution monitoring unit slaves 300 is at least two, and the at least two power distribution monitoring unit slaves 300 are connected in series through the second communication interface 303. When a plurality of distribution monitoring unit slaves 300 are needed, the next distribution monitoring unit slave 300 can be connected with one of the second communication interfaces 303 of the previous distribution monitoring unit slave 300 through one of the second communication interfaces 303 of the next distribution monitoring unit slave 300, so that the serial connection of two adjacent distribution monitoring unit slaves 300 is realized.
Referring to fig. 2 and 3, the number of the first communication interfaces 401 of the power distribution monitoring unit host 400 is two, wherein one of the first communication interfaces 401 is a stock interface, and the other first communication interface 401 is an expansion interface. When a plurality of distribution monitoring unit slaves 300 need to be expanded, two first communication interfaces 401 can be used to be respectively connected with the corresponding distribution monitoring unit slaves 300, so that wiring expansion is realized, and the use is flexible and convenient.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A power distribution cabinet, comprising:
The main branch circuit is electrically connected with a first miniature circuit breaker, and a first current transformer is also arranged on the main branch circuit;
The plurality of branch circuits are electrically connected to the main circuit through the first miniature circuit breaker, and each branch circuit is electrically connected with a second miniature circuit breaker and is provided with a second current transformer;
The power distribution monitoring unit slave machine is provided with a stock interface and an expansion interface, and at least one of the stock interface and the expansion interface is electrically connected with the second miniature circuit breaker and the second current transformer;
The power distribution monitoring unit host computer has first input interface, first communication interface, first output interface and second output interface, the first input interface of power distribution monitoring unit host computer respectively with first miniature circuit breaker with the signal output part electric connection of first current transformer, the first communication interface of power distribution monitoring unit host computer with power distribution monitoring unit slave computer communication connection, the first output interface electric connection of power distribution monitoring unit host computer has the display, the second output interface electric connection of power distribution monitoring unit host computer is in the host computer.
2. The power distribution cabinet of claim 1, wherein the first miniature circuit breaker is further electrically connected to a surge protector and is grounded through the surge protector, and a signal output end of the surge protector is electrically connected to the power distribution monitoring unit host.
3. The power distribution cabinet of claim 2, wherein a third miniature circuit breaker is electrically connected between the first miniature circuit breaker and the surge protector.
4. The power distribution cabinet of claim 1, wherein the power distribution monitoring unit slave comprises a plurality of sets of signal interfaces, at least one of the plurality of sets of signal interfaces being used as the expansion interface.
5. The power distribution cabinet of claim 4, wherein each set of signal interfaces includes a plurality of signal connections electrically connected to the signal output of the second current transformer.
6. The power distribution cabinet according to claim 1, 4 or 5, wherein the power distribution monitoring unit slave is provided with two second communication interfaces, one of which is communicatively connected to the first communication interface.
7. The power distribution cabinet of claim 6, wherein the number of said power distribution monitoring unit slaves is at least two, at least two of said power distribution monitoring unit slaves being connected in series through said second communication interface.
8. The power distribution cabinet of claim 1, wherein the number of first communication interfaces of the power distribution monitoring unit host is two, one of the first communication interfaces is a stock interface, and the other of the first communication interfaces is an expansion interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487770.0U CN221057854U (en) | 2023-09-13 | 2023-09-13 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487770.0U CN221057854U (en) | 2023-09-13 | 2023-09-13 | Power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221057854U true CN221057854U (en) | 2024-05-31 |
Family
ID=91197528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322487770.0U Active CN221057854U (en) | 2023-09-13 | 2023-09-13 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221057854U (en) |
-
2023
- 2023-09-13 CN CN202322487770.0U patent/CN221057854U/en active Active
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