CN111427289A - Control method and control system of intelligent power supply - Google Patents
Control method and control system of intelligent power supply Download PDFInfo
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- CN111427289A CN111427289A CN202010175688.2A CN202010175688A CN111427289A CN 111427289 A CN111427289 A CN 111427289A CN 202010175688 A CN202010175688 A CN 202010175688A CN 111427289 A CN111427289 A CN 111427289A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention provides a control method of an intelligent power supply, wherein a lead of a power supply module or power supply equipment is connected with an input binding post of an intelligent power supply controller, the input binding post is electrically connected with a power bus inside the intelligent power supply controller, the power bus is bent for 90 degrees inside the intelligent power supply controller and then is divided into N parallel branches through a shunt module inside the intelligent power supply controller, the tail ends of the N branches are electrically connected with N devices outside the intelligent power supply controller from N output binding posts of the intelligent power supply controller, and the N devices belong to different operators. The power supply main circuit is divided into at least two branch circuits through the shunt module of the intelligent power supply controller, each branch circuit is respectively connected with the direct current contactor in series and then supplies power to the communication equipment of different operators, so that one power supply module can supply power to the communication equipment of a plurality of different operators, and the intelligent power supply controller has the advantages of convenience in power supply, intelligent scheduling, distribution according to needs, ordering according to needs and accurate load metering.
Description
Technical Field
The invention relates to the field of 5G intelligent equipment, in particular to a control method and a control system of an intelligent power supply.
Background
The 5G network is a fifth generation mobile communication network, and its peak theoretical transmission speed can reach tens of Gb per second, which is hundreds of times faster than that of the 4G network. The 5G base station is a core device of the 5G network, provides wireless coverage, and realizes wireless signal transmission between a wired communication network and a wireless terminal.
As is known, the frequency band of 5G is much higher than that of 2G, 3G and 4G networks, and the 5G network mainly works in the 3000-5000MHz frequency band at present. The base station density of a 5G network will be higher since the higher the frequency, the greater the attenuation in the signal propagation.
For different operators, the density of 5G base station devices of different operators is improved compared with that of 4G base stations. Different base station equipment of a plurality of different operators will appear in the same region, if every base station in the same region all corresponds and installs a power module or power supply equipment (commercial power, group battery, electricity generation), undoubtedly cause the comprehensive utilization ratio reduction of power module or power supply equipment (commercial power, group battery, electricity generation).
In order to improve the comprehensive utilization rate of the power module, it is urgently needed to develop a control method and system of an intelligent power supply, so as to realize that one power module supplies power to a plurality of base station devices or the power module or power supply device (commercial power, battery pack, power generation) of one base station supplies power to different operators in the base station devices.
Disclosure of Invention
The invention aims to provide a control method and a control system of an intelligent power supply, which supply power to a plurality of base station devices through one power supply module or supply power modules or supply power devices (commercial power, battery packs and power generation) of one base station to supply power to different operators in the base station devices.
The technical scheme for realizing the purpose of the invention is as follows:
a control method of an intelligent power supply is characterized in that a lead of a power module or power supply equipment (mains supply, a battery pack and power generation) is connected with an input binding post of an intelligent power supply controller, the input binding post is electrically connected with a power bus inside the intelligent power supply controller, the power bus is bent for 90 degrees inside the intelligent power supply controller and then is divided into N parallel branches through a shunt module inside the intelligent power supply controller, the tail ends of the N branches are electrically connected with N pieces of equipment outside the intelligent power supply controller from N output binding posts of the intelligent power supply controller, and the N pieces of equipment belong to different operators.
As a further improvement of the invention, N devices are arranged in parallel.
As a further improvement of the invention, the power supply positive poles of the N devices are connected with the branch circuits, and the power supply negative poles of the N devices are connected with the negative pole of the power module.
A control system based on an intelligent power supply control method is characterized in that a direct current air switch is embedded on an intelligent power supply controller, a shunt module, a first branch circuit, a second branch circuit, a third branch circuit, a fourth branch circuit, a fifth branch circuit, a sixth branch circuit and an electric quantity monitoring module are arranged in the intelligent power supply controller, X first equipment of a first operator and Y second equipment … … of a second operator are arranged on the outer side of the intelligent power supply controller, Z second equipment of the W operator are arranged on the outer side of the intelligent power supply controller,
the direct current air switch is connected in series on a power supply main circuit, and the direct current air switch is automatically switched off after the power supply main circuit exceeds rated current;
the input end of the shunt module is electrically connected with the output end of the power supply main circuit, the shunt module divides the power supply main circuit into N branches, and N is more than or equal to 2;
the input ends of the first to Nth branches are connected with the output end of the shunting module;
the output ends of the X branches are respectively connected with a first device, and X is more than or equal to 0;
the output ends of the Y branches are respectively connected with a second device, and Y is more than or equal to 0;
……
the output ends of the Z branches are respectively connected with a W-th device, and Z is more than or equal to 0; x + Y + … … + Z = N;
all branches are connected with the input end of the electric quantity monitoring module, and the electric quantity monitoring module monitors the electricity consumption or electricity consumption time of each branch.
As a further improvement of the invention, N direct current contactors are further arranged in the intelligent power supply controller, each branch is respectively connected with one direct current contactor in series, the output end of the electric quantity monitoring module is connected with each direct current contactor, when the electric quantity or the electric time exceeds a preset value, the direct current contactor corresponding to the branch is disconnected, and the branch stops supplying power.
As a further improvement of the present invention, when X = Y =1, N =2, and Z =0, the first operator is a mobile operator, the first device is a mobile device of the mobile operator, the second operator is a telecommunications operator, and the second device is a telecommunications device of the telecommunications operator; the first branch is connected with mobile equipment of a mobile operator, and the second branch is connected with telecommunication equipment of a telecommunication operator;
when X = Y = Z =1, N =4, the first operator is a mobile operator, the first device is a mobile device of the mobile operator, the second operator is a telecommunications operator, and the second device is a telecommunications device of the telecommunications operator; the third operator is a communication operator, the third equipment is mobile equipment of the communication operator, the fourth operator is a broadcasting and television operator, and the fourth equipment is telecommunication equipment of the broadcasting and television operator; the first branch is connected with the mobile equipment of a mobile operator, the second branch is connected with the telecommunication equipment of a telecommunication operator, the third branch is connected with the mobile equipment of a telecommunication operator, and the fourth branch is connected with the telecommunication equipment of a radio and television operator.
As a further improvement of the present invention, the electric quantity monitoring module includes a power supply module, a control circuit board and N monitoring modules, each branch is electrically connected to one monitoring module, the N monitoring modules are arranged in parallel and electrically connected to the control circuit on the control circuit board, the power supply module is also electrically connected to a power supply terminal of the control circuit, and the power supply module supplies power to the control circuit.
As a further improvement of the invention, the input end of the direct current contactor of each branch is connected with the output end of the power main circuit through a shunt module, the electric quantity acquisition end of the monitoring module is electrically connected with the shunt module, the control end of the monitoring module is electrically connected with the control contact of the direct current contactor, and when the electric quantity or the electric time exceeds a preset value, the monitoring module corresponding to the branch controls the direct current contactor to be disconnected.
As a further improvement of the intelligent power supply controller, a copper wiring bar is further arranged in the intelligent power supply controller, and the live wire and the zero wire of the power supply main line and the incoming wire end of each branch are connected to the copper wiring bar.
As a further improvement of the invention, the copper wiring row is also electrically connected with a shunt module wire inlet end on each branch.
Compared with the prior art, the invention has the beneficial effects that:
1. the power supply main circuit is divided into at least two branches by the shunt module, the metering module, the switch module, the management module, the communication module, the control module, the display module and the like of the intelligent power supply controller, each branch is respectively connected with the direct current contactor in series and then supplies power to communication equipment of different operators, so that one power supply module can supply power to the communication equipment of a plurality of different operators, and the intelligent power supply controller has the advantages of convenience in power supply, intelligent scheduling, distribution as required, ordering as required and accurate load metering.
2. The electric quantity monitoring module can judge and compare the real-time electricity consumption or electricity consumption time of each branch with the preset electricity consumption or electricity consumption time, when the electricity consumption or electricity consumption time exceeds the preset value, the direct current contactor corresponding to the branch is disconnected, the branch stops supplying power, and the purpose of accurately controlling the power supply quantity of different operators is achieved.
Drawings
FIG. 1 is a functional block diagram of a control system;
FIG. 2 is a circuit diagram of a control system;
FIG. 3 is a circuit diagram of a portion a of FIG. 2;
FIG. 4 is a circuit diagram of portion b of FIG. 2;
FIG. 5 is a circuit diagram of the lower part of FIG. 4;
FIG. 6 is a schematic diagram of an intelligent power controller;
FIG. 7 is a first schematic view of the control assembly mounted on the inner cover plate after the controller body is hidden;
FIG. 8 is a second schematic view of the control assembly mounted on the inner cover plate after the controller body is hidden;
fig. 9 is a schematic view of the installation of the inner cover plate on the controller body.
In the figure, 1, a direct current air switch; 101. inputting a binding post; 102. 3 × 20/5 × 20 copper bars; 103. other interfaces; 2. copper wiring row; 21. an insulating support; 3. a shunting module; 4. a branch circuit; 41. a telecommunications output terminal; 42. moving the output binding post; 5. a power supply main circuit; 6. equipment; 7. a control circuit board; 100. a monitoring module; 200. a power supply module; 10. a controller body; 11. the side wall is formed by the long side and the high side; 12. an inner cover plate.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1:
the embodiment provides a control method of an intelligent power supply, a lead of a power module is connected into an input binding post 101 of the intelligent power supply controller, the input binding post 101 is electrically connected with a power bus inside the intelligent power supply controller, the power bus is bent for 90 degrees inside the intelligent power supply controller and then is divided into N parallel branches through a shunt module 3 inside the power bus, the tail ends of the N branches are electrically connected with N devices outside the intelligent power supply controller from N output binding posts of the intelligent power supply controller, and the N devices belong to different operators.
It should be noted that the N devices of this embodiment are arranged in parallel. The power supply anodes of the N devices are connected with the branch circuits, and the power supply cathodes of the N devices are connected with the cathode of the power module.
This embodiment divides into two at least branch roads with power main 5 through intelligent power supply controller's reposition of redundant personnel module 3, and every branch road concatenates DC contactor respectively and supplies power to different operator's communication equipment, has realized that a power module can supply power to a plurality of different operator's communication equipment, has the convenient advantage of power supply.
Example 2:
on the basis of the control method of the intelligent power supply disclosed in embodiment 1, as shown in fig. 1, the embodiment discloses a control system based on the control method of the intelligent power supply, a direct current air switch 1 is embedded on an intelligent power supply controller, a shunt module, first to nth branches and an electric quantity monitoring module 100 are arranged in the intelligent power supply controller, X first devices of a first operator and Z W devices of a W operator, … … second devices of a second operator, are installed on the outer side of the intelligent power supply controller, wherein the direct current air switch 1 is connected in series on a power main circuit 5, and the direct current air switch 1 is automatically turned off after the power main circuit 5 exceeds a rated current; the input end of the shunt module is electrically connected with the output end of the power supply main 5, the shunt module divides the power supply main 5 into N branches, and N is more than or equal to 2; the input ends of the first to Nth branches are connected with the output end of the shunting module; the output ends of the X branches are respectively connected with a first device, and X is more than or equal to 0; the output ends of the Y branches are respectively connected with a second device, and Y is more than or equal to 0; the output ends of the … … Z branches are respectively connected with a W-th device, and Z is more than or equal to 0; x + Y + … … + Z = N; all branches are connected with the input end of the electric quantity monitoring module 100, and the electric quantity monitoring module 100 monitors the electricity consumption or electricity consumption time of each branch.
This embodiment divides into two at least branch roads with power main 5 through the reposition of redundant personnel module, and every branch road concatenates DC contactor respectively and supplies power to different operator's communications facilities, and electric quantity monitoring module 100 detects the power consumption or the power consumption time of all branch roads.
Preferably, N dc contactors are further arranged in the intelligent power controller, one dc contactor is connected to each branch in series, the output end of the power monitoring module 100 is connected to each dc contactor, and when the power consumption or the power consumption time exceeds a preset value, the dc contactor corresponding to the branch is disconnected, and the branch stops supplying power. The intelligent power controller of the embodiment can measure commercial power, alternating current, direct current and power generation.
In this embodiment, the preset value can be input by the power monitoring module 100 through a key on the power monitoring module, and of course, the preset value can also be input in a remote control mode, the remote control mode can select an FSU platform, an internet of things platform, a mobile phone platform or an operator platform, and the remote control mode has the advantages of intelligent scheduling, distribution as required, ordering as required, accurate measurement of 5G load and the like.
The electric quantity monitoring module 100 of this embodiment can judge the real-time power consumption or the power consumption time of comparing every branch road and predetermine power consumption or power consumption time, when power consumption or power consumption time exceeded the default, the direct current contactor disconnection that corresponds with this branch road, and this branch road stops the power supply, reaches the purpose of the different operator power supply of accurate control.
Note that when X = Y =1, the first operator is a mobile operator, the first device is a mobile device of the mobile operator, the second operator is a telecommunications operator, and the second device is a telecommunications device of the telecommunications operator; when N =2, the first branch is connected to the mobile equipment of the mobile operator and the second branch is connected to the telecommunication equipment of the telecommunication operator.
In practical applications, the operator of the present embodiment may be two or more of mobile, telecommunication, radio and television, or internet. For example, (1) the outside of the intelligent power controller is installed with mobile equipment and telecommunication equipment, the shunt module divides the power main 5 into 2 branches, one branch is connected with the mobile equipment, and the other branch is connected with the telecommunication equipment; (2) the mobile equipment, the telecommunication equipment, the communication equipment and the broadcasting and television equipment are installed on the outer side of the intelligent power supply controller, the power supply main line 5 is divided into 4 branches by the shunt module, one branch is connected with the mobile equipment, the other branch is connected with the telecommunication equipment, the other branch is connected with the communication equipment, and the rest branch is connected with the broadcasting and television equipment; (3) the outside of the intelligent power controller is provided with telecommunication equipment and communication equipment, a power main 5 is divided into 5 branches by a shunt module, two branches are connected with the telecommunication equipment, and three branches are connected with the communication equipment; (4) the mobile device, the telecommunication device, the broadcasting and television device and the communication device are installed on the outer side of the intelligent power controller, the power main 5 is divided into 4 branch circuits by the shunt module, and the four branch circuits are correspondingly connected with the mobile device, the telecommunication device, the broadcasting and television device and the communication device.
In this embodiment, as shown in fig. 3 to fig. 5, the electric quantity monitoring module 100 includes a power module 200, a control circuit board 7, and N monitoring modules 100, where each branch is electrically connected to one monitoring module 100, the N monitoring modules 100 are arranged in parallel and electrically connected to a control circuit on the control circuit board 7, the power module is also electrically connected to a power end of the control circuit, and the power module supplies power to the control circuit.
The input end of the direct current contactor of each branch is connected with the output end of the power main circuit 5 through the shunt module 3, the electric quantity acquisition end of the monitoring module 100 is electrically connected with the shunt module 3, the control end of the monitoring module is electrically connected with the control contact of the direct current contactor, and when the electricity consumption or the electricity consumption time exceeds a preset value, the monitoring module 100 corresponding to the branch controls the direct current contactor to be disconnected. The intelligent power controller of the embodiment can measure and control commercial power, alternating current, direct current and power generation according to needs.
Still be equipped with copper wiring row 2 in the preferred intelligent power controller, the live wire and the zero line of power main 5, the inlet wire end of every branch road all connect on copper wiring row 2. The connection bank 2, preferably made of copper, is also electrically connected to the inlet terminals of the splitter modules 3 on each branch.
Example 3;
on the basis of the schemes disclosed in embodiment 1 and embodiment 2, the present embodiment discloses a mechanical mechanism of an intelligent power supply controller. As shown in fig. 6-9, the mechanical structure of the intelligent power supply controller includes a controller body 10, an input terminal 101, an output terminal, a dc air switch 1 and a control assembly, wherein the input terminal 101, the output terminal and the dc air switch 1 are embedded on the same side wall of the controller body 10, the same side wall is a side wall formed by a long side and a high side of the controller body 10, and the long side and the height of the side wall both exceed the controller body 10; except that the electronic device is installed on the side wall, other side walls are smooth side walls, the electronic device is not installed, the control assembly is installed in an inner cavity of the controller body 10, the input wiring terminal 101 and the output wiring terminal are located on two sides of the direct current air switch 1, and the input wiring terminal 101 is flush with the output wiring terminal.
The embodiment installs direct current air switch 1 on the lateral wall of controller body 10, and input terminal 101 and output terminal install the both sides at direct current air switch 1, and other electronic components of intelligent power supply controller install the inner chamber at controller body 10, have both protected other electronic components, are convenient for again intelligent power supply controller and external equipment's wiring.
As shown in fig. 7 and 8, the control assembly includes a shunt module, a power main 5, N branches, and N devices, the shunt module, the power main 5, the N branches, and the N devices are all installed in an inner cavity of the controller body 10, the power main 5 is bent by 90 ° after penetrating through a side wall of the dc air switch 1 and is connected with the shunt module, and the shunt module and all the devices are located on two sides of the controller body 10 along a width direction; parallel arrangement between N branch road, parallel installation between N equipment, the one end and the reposition of redundant personnel module of every branch road are connected, and the other end is connected with equipment.
Each branch is parallel to the width direction of the controller body 10. The branch of the embodiment is parallel to the width direction of the controller body 10, so as to shorten the length of the branch as much as possible, reduce the occupied space of the branch, and facilitate the miniaturization of the controller body 10.
Preferably, the control assembly further comprises a control circuit board 7, the control circuit board 7 is installed in the inner cavity of the controller body 10, and the control circuit board 7 is located beside all the devices. The electronics of the control circuit board 7 are arranged away from the dc air switch 1.
The inner cavity of controller body 10 still is equipped with interior apron 12, and interior apron 12 is installed on the inner wall of controller body 10, and interior apron 12 is cut apart into cavity and lower cavity along the direction of height of controller body 10 to controller body 10, and the height of lower cavity is far greater than the height of last cavity, and split flow module, power main 5, N branch road and N equipment are all installed cavity under, have the clearance slightly between the apron of last cavity and controller body 10. The periphery of the inner cover plate 12 is in contact with the inner wall of the controller body 10. The gap is filled with a seal which effects sealing of the inner cover plate 12 to the cover plate.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The control method of the intelligent power supply is characterized in that a lead of a power supply module is connected into an input binding post of the intelligent power supply controller, the input binding post is electrically connected with a power supply bus inside the intelligent power supply controller, the power supply bus is bent for 90 degrees inside the intelligent power supply controller and then is divided into N parallel branches through a shunt module inside the intelligent power supply controller, the tail ends of the N branches are electrically connected with N devices outside the intelligent power supply controller from N output binding posts of the intelligent power supply controller, and the N devices belong to different operators.
2. The control method according to claim 1, wherein N devices are provided in parallel.
3. The control method according to claim 1 or 2, wherein the positive power supply poles of the N devices are connected with the branch circuit, and the negative power supply poles of the N devices are connected with the negative pole of the power module.
4. A control system based on an intelligent power supply control method is characterized in that a direct current air switch is embedded on an intelligent power supply controller, a shunt module, first to Nth branches and an electric quantity monitoring module are arranged in the intelligent power supply controller, X first equipment of a first operator, Y second equipment of a second operator … … and Z W-th equipment of a W-th operator are arranged on the outer side of the intelligent power supply controller,
the direct current air switch is connected in series on a power supply main circuit, and the direct current air switch is automatically switched off after the power supply main circuit exceeds rated current;
the input end of the shunt module is electrically connected with the output end of the power supply main circuit, the shunt module divides the power supply main circuit into N branches, and N is more than or equal to 2;
the input ends of the first to Nth branches are connected with the output end of the shunting module;
the output ends of the X branches are respectively connected with a first device, and X is more than or equal to 0;
the output ends of the Y branches are respectively connected with a second device, and Y is more than or equal to 0;
……
the output ends of the Z branches are respectively connected with a W-th device, and Z is more than or equal to 0; x + Y + … … + Z = N;
all branches are connected with the input end of the electric quantity monitoring module, and the electric quantity monitoring module monitors the electricity consumption or electricity consumption time of each branch.
5. The control system according to claim 4, wherein N dc contactors are further arranged in the intelligent power controller, one dc contactor is connected in series to each branch, the output end of the power monitoring module is connected to each dc contactor, and when the power consumption or the power consumption time exceeds a preset value, the dc contactor corresponding to the branch is disconnected, and the branch stops supplying power.
6. The control system according to claim 4 or 5, wherein when X = Y =1, N =2, Z =0, the first operator is a mobile operator, the first device is a mobile device of the mobile operator, the second operator is a telecommunications operator, and the second device is a telecommunications device of the telecommunications operator; the first branch is connected with mobile equipment of a mobile operator, and the second branch is connected with telecommunication equipment of a telecommunication operator;
when X = Y = Z =1, N =4, the first operator is a mobile operator, the first device is a mobile device of the mobile operator, the second operator is a telecommunications operator, and the second device is a telecommunications device of the telecommunications operator; the third operator is a communication operator, the third equipment is mobile equipment of the communication operator, the fourth operator is a broadcasting and television operator, and the fourth equipment is telecommunication equipment of the broadcasting and television operator; the first branch is connected with the mobile equipment of a mobile operator, the second branch is connected with the telecommunication equipment of a telecommunication operator, the third branch is connected with the mobile equipment of a telecommunication operator, and the fourth branch is connected with the telecommunication equipment of a radio and television operator.
7. The control system according to claim 4, wherein the electric quantity monitoring module comprises a power module, a control circuit board and N monitoring modules, one monitoring module is electrically connected to each branch, the N monitoring modules are arranged in parallel and electrically connected to the control circuit on the control circuit board, the power module is also electrically connected to a power end of the control circuit, and the power module supplies power to the control circuit.
8. The control system according to claim 5, wherein the input end of the dc contactor of each branch is connected to the output end of the power main through a shunt module, the power collecting end of the monitoring module is electrically connected to the shunt module, the control end of the monitoring module is electrically connected to the control contact of the dc contactor, and when the power consumption or the power consumption time exceeds a preset value, the monitoring module corresponding to the branch controls the dc contactor to be disconnected.
9. The control system according to claim 4, wherein a copper wiring bar is further arranged in the intelligent power controller, and the live wire and the zero wire of the power main and the incoming wire end of each branch are connected to the copper wiring bar.
10. The control system of claim 9, wherein the copper terminal block is further electrically connected to a shunt module inlet terminal on each branch.
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| CN112165238A (en) * | 2020-09-10 | 2021-01-01 | 陕西疆晨信息科技有限公司 | Accurate electric quantity metering and controlling device |
| CN112260262A (en) * | 2020-09-10 | 2021-01-22 | 陕西疆晨信息科技有限公司 | Intelligent power supply control and metering device and method for 5G base station |
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| CN206450732U (en) * | 2016-12-16 | 2017-08-29 | 深圳东方泰和科技有限公司 | A kind of intelligent electric meter and intelligent low-pressure distribution box |
| CN206892184U (en) * | 2017-06-21 | 2018-01-16 | 山东兆宇电子股份有限公司 | A kind of direct current energy branch monitoring system |
| CN111049029A (en) * | 2019-12-02 | 2020-04-21 | 江苏智臻能源科技有限公司 | Intelligent distribution box suitable for exchange communication basic station |
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| CN112260262A (en) * | 2020-09-10 | 2021-01-22 | 陕西疆晨信息科技有限公司 | Intelligent power supply control and metering device and method for 5G base station |
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