CN204928122U - Direct current distribution unit DCDU's distribution system - Google Patents
Direct current distribution unit DCDU's distribution system Download PDFInfo
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- CN204928122U CN204928122U CN201520710765.4U CN201520710765U CN204928122U CN 204928122 U CN204928122 U CN 204928122U CN 201520710765 U CN201520710765 U CN 201520710765U CN 204928122 U CN204928122 U CN 204928122U
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Abstract
The utility model provides a current distribution unit DCDU's distribution system, this distribution system includes: at least one direct -current input terminal, at least one air switch, at least one load binding post and control unit, wherein: every direct -current input terminal has the port that is used for inserting the power, and every load binding post has the port that is used for connected load, direct -current input terminal, an air switch and a load binding post connect gradually and form a power supply branch road, connect the electronic control switch between direct -current input terminal in at least one power supply branch road and the air switch, the control unit for whether the saltus step takes place according to the arbitrary air switch of power supply parameter detection who gathers for the power supply parameter of gathering the branch road of respectively supplying power, and sureness needs to descend through the electronic control switch that cuts off corresponding power supply branch road when electric down. The utility model discloses can satisfy and measure respectively and supervise the power to the requirement of electricity under can be when monitoring abnormal conditions.
Description
Technical field
The utility model relates to power technique fields, particularly relates to the distribution system of a kind of current distribution unit DCDU.
Background technology
Today, electric energy becomes the indispensable fundamental of human society with air is the same with water.On this celestial body, along with energy growing tension and ecological deterioration, obtaining economy facilitates the energy of environmental protection to become the urgent issue of a relation human survival and sustainable development, and finding the solution improving electric energy utilization ratio becomes little to social family, greatly to the corporation responsibility of the whole society such as enterprise and government.High and low voltage electric distribution facility, power consumption equipment and daily power consumption are one of the main composition parts of industrial plants, social infrastructure and all kinds of building construction investment and daily operating cost, and the configuration of rational deployment electric energy facility and management and control function can significantly improve facility and efficiency of energy utilization and reduce costs.
Conventional electrical distribution system facilities management and electric energy management more extensive, relative to fund application day by day lean management progress, today most enterprise, facility is to distribution facility energy consumption details and lack management means with electric process, managing the electric energy consumption of enterprise and facility is the pattern of afterwards adding up completely.
Current electric company proposes shares power supply and measures respectively and manage, and the demand of intelligent power distribution unit that power supply extends out, but distribution system also not relevant at present.
Utility model content
The utility model provides the distribution system of current distribution unit DCDU, can meet and carry out management through quantification respectively to Power supply and extend out the requirement of distribution.
A distribution system of current distribution unit DCDU, comprising: at least one DC input terminal, at least one air switch, at least one load wiring terminal and monitoring unit, wherein:
Each DC input terminal has the port for inserting power supply, and each load wiring terminal has the port for connecting load;
A DC input terminal, an air switch and a load wiring terminal are in turn connected to form a power supply branch road, connect electronic control switch between the DC input terminal at least one power supply branch road and air switch;
Described monitoring unit, for gathering the power supply parameter of each power supply branch road, detecting arbitrary air switch according to the power supply parameter gathered and whether saltus step occurring, and when determining to need lower electricity, carries out lower electricity by the electronic control switch cutting off corresponding power supply branch road.
Preferably, electronic control switch is connected between the DC input terminal in each power supply branch road and air switch;
When described monitoring unit is determined to need lower electricity, the electronic control switch cut off in all power supply branch roads carries out lower electricity; Or
Described monitoring unit is according to the power supply parameter of each power supply branch road gathered, and when determining that wherein arbitrary power supply branch road meets lower electric condition, the electronic control switch cutting off this power supply branch road carries out lower electricity.
Preferably, each power supply branch road is divided into power branch road and Equations of The Second Kind of the first kind to power branch road according to the load important that load wiring terminal connects, the first kind load that load wiring terminal connects in branch road of powering is more important, and each Equations of The Second Kind is powered between DC input terminal in branch road and air switch and connected electronic control switch;
When described monitoring unit determines to need lower electricity, only cut off the power electronic control switch of branch road of Equations of The Second Kind and carry out lower electricity.
The closing of contact of all contactors when powering on, when determining to need lower electricity, described monitoring unit controls the power contact of the contactor on branch road of Equations of The Second Kind and disconnects, and carries out lower electricity to Equations of The Second Kind branch road of powering.
Preferably, described electronic control switch is relay or contactor.
Preferably, the power supply parameter of each power supply branch road comprises voltage and current, and each power supply branch road connects a shunt, wherein:
When this power supply branch road having electronic control switch, this shunt is connected between DC input terminal on this power supply branch road and electronic control switch;
Time on this power supply branch road without electronic control switch, this shunt is connected between DC input terminal on this power supply branch road and air switch;
Described monitoring unit obtains electric current on each power supply branch road by gathering electric current in each shunt, is obtained the voltage of each power supply branch road by the voltage on Gather and input terminal.
Preferably, this distribution system also comprises:
Alarm Unit, is connected with monitoring unit, carries out alarm during for arbitrary air switch generation saltus step being detected at described monitoring unit.
Preferably, this distribution system also comprises:
Communication unit;
Described monitoring unit, according to the power supply parameter of each the power supply branch road gathered, calculates the electricity of each power supply branch road, the power supply parameter of each power supply branch road and/or electricity is uploaded to host computer by described communication unit.
Preferably, the power supply parameter of each power supply branch road and/or electricity are uploaded to host computer by RS485 interface by described communication unit.
Preferably, this distribution system also comprises:
At least one lightning protection circuit;
Wherein, at least one power supply branch road connects a lightning protection circuit, and described lightning protection circuit connects between air switch on this power supply branch road and load wiring terminal.
Preferably, this distribution system also comprises:
LED display, for showing power supply parameter and the current time of the collection of described monitoring unit.
The distribution system of the current distribution unit DCDU utilizing the utility model to provide, has following beneficial effect:
Because power supply can be load supplying by each power supply branch road, gathered by the power supply parameter of monitoring unit to each branch road, the function of in-line power parameter monitoring can be had; By multiple power supply branch road, corresponding load is powered, power supply branch road can be increased separately and meet the function extending out distribution; Open monitoring owing to having sky to each power supply branch road and gather power supply parameter respectively, can and meet metering respectively and the management of power supply, the function to electric protection power supply under load can be realized.
Accompanying drawing explanation
The distribution system structure chart of the current distribution unit DCDU that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the first operating diagram that electric mode is corresponding down of the utility model embodiment;
Fig. 3 is the operating diagram that under the utility model embodiment the second, electric mode is corresponding;
Fig. 4 is the third operating diagram that electric mode is corresponding down of the utility model embodiment.
Embodiment
Illustrate in greater detail below in conjunction with the distribution system of drawings and Examples to the current distribution unit DCDU that the utility model provides.
The utility model provides the distribution system of a kind of current distribution unit DCDU, as shown in Figure 1, comprising: at least one DC input terminal, at least one air switch, at least one load wiring terminal and monitoring unit, wherein:
Each DC input terminal has the port for inserting power supply, and each load wiring terminal has the port for connecting load;
A DC input terminal, an air switch and a load wiring terminal are in turn connected to form a power supply branch road, connect electronic control switch between the DC input terminal at least one power supply branch road and air switch;
Described monitoring unit, for gathering the power supply parameter of each power supply branch road, detecting arbitrary air switch according to the power supply parameter gathered and whether saltus step occurring, and when determining to need lower electricity, carries out lower electricity by the electronic control switch cutting off corresponding power supply branch road.
According to the power supply branch road of the situation choice for use for electric loading, when determining to use certain power supply branch road, by the DC input terminal of this power supply branch road access power supply, the load wiring terminal of this power supply branch road can be connected load.
During specific embodiment, power supply unit can be made by the circuit board of all device arrangements in the distribution system of the DCDU of the utility model embodiment, directly insert power line or load wiring in interpolation frame relevant position.
Monitoring unit can detect arbitrary air switch generation saltus step according to power supply parameter, thus can supervise the power power supply of branch road of each road and whether occur exception.
Particularly, a holding wire can being inserted at each lead-out terminal (connecing load holes) of each air switch, judging whether this air switch saltus step occurs by monitoring voltage on this holding wire.If this branch road air switch jumps off, monitoring unit can by the state acquisition of signal line, judges that sky opens whether saltus step.
The utility model embodiment can according to the power supply parameter of each branch road gathered, to needing the power supply branch road carrying out lower electricity to carry out lower electricity, thus can the normal use of protection power source and the proof load of the maximum dynamics reliability of powering.Power for different loads because each branch road is separate, therefore can increase corresponding power supply branch road when load increases and power, thus meet the requirement extending out distribution.
Preferably, as shown in Figure 1, in the present embodiment, the distribution system of DCDU also comprises:
Communication unit, according to the power supply parameter of each the power supply branch road gathered, calculates the electricity of each power supply branch road, the power supply parameter of each power supply branch road and/or electricity is uploaded to host computer by described communication unit.
Monitoring unit uploads to that power supply parameter can be voltage, electric current, the electricity of each branch road calculated according to electric current and voltage or total electricity, certainly, can also upload temporal information etc. corresponding when gathering these power supply parameters.
Particularly, the power supply parameter of each power supply branch road and/or electricity can be uploaded to host computer by RS485 interface by communication unit, certainly, can also be other serial line interfaces.
Preferably, in the present embodiment, the distribution system of DCDU also comprises:
At least one lightning protection circuit;
Wherein, at least one power supply branch road also connects lightning protection unit, and lightning protection unit connects between the air switch of this power supply branch road and load wiring terminal, preferably; can for the power supply branch road of important load supplying connects lightning protection unit, thus can be the lightning protection to important load.
Preferably, in the present embodiment, the distribution system of DCDU also comprises:
LED display, for showing power supply parameter and the current time of the collection of described monitoring unit.
Particularly, the voltage of collection, electric current, the electricity of each branch road calculated according to electric current and voltage or total electricity can be shown, certainly, temporal information etc. corresponding when gathering these power supply parameters can also be shown.
Pass through LED display, staff can understand the electric power thus supplied of current power distribution systems, thus conveniently manages, such as, when finding that electricity is used up soon by LED display, the power supply of insignificant load can be cut off by air switch, prevent important load from occurring powering-off state.
By this LED display, can also information searching function be provided, facilitate staff to carry out information inspection.
By LED display, staff can be facilitated to utilize air switch to carry out lower electricity to load.By monitoring unit and the control to electronic control switch, can realize meeting certain condition is that lower electricity is carried out in the load that automatic phasing is answered.
Electronic control switch can be relay or contactor, adopts contactor that the lower electric mode of monitoring unit in the present embodiment is described below for electronic control switch.
The utility model embodiment can arrange lower electric condition according to actual conditions, current voltage too low (lower than certain threshold value) is collected as lower electric condition as arranged, lower than 44V, the voltage such as collected thinks that meeting lower electricity requires to carry out lower electricity, lower electricity mainly prevents battery excessively to insignificant load supplying, cause the damage of battery, concrete lower electric mode can adopt following either type:
1) lower electricity is carried out to all power supply branch roads
Be illustrated in figure 2 the distribution system operating diagram of the utility model embodiment DCDU, monitoring unit gathers the power supply parameter on each branch road, and when determining that meeting lower electricity requires, lower Electricity Functional is regardless of important and insignificant load, unified is user load, and namely monitoring unit directly allows electricity under all loads.
Realizing the concrete mode of lower electricity can be:
Also connect contactor at each power supply branch road, this contactor is connected between DC input terminal on this power supply branch road and air switch, and contactor is connected with monitoring unit;
The closing of contact of all contactors when powering on, when determining to need lower electricity, the contact that monitoring unit controls the contactor on all power supply branch roads disconnects, and carries out lower electricity to each power supply branch road.
2) lower electricity is carried out to insignificant load
Each power supply branch road is divided into power branch road and Equations of The Second Kind of the first kind to power branch road according to the load important that load wiring terminal connects, and the first kind load that load wiring terminal in branch road connects of powering is more important.
Be illustrated in figure 3 the distribution system operating diagram of the utility model embodiment DCDU, monitoring unit gathers the power supply parameter on each branch road, when determining that meeting lower electricity requires according to parameter, only cuts off Equations of The Second Kind branch road of powering and carries out lower electricity.
Realizing the concrete mode of lower electricity can be:
On each Equations of The Second Kind powers branch road, connect contactor, this contactor is connected to this Equations of The Second Kind and powers between DC input terminal on branch road and air switch, and contactor is connected with monitoring unit;
The closing of contact of all contactors when powering on, when determining to need lower electricity, described monitoring unit controls the power contact of the contactor on branch road of Equations of The Second Kind and disconnects, and carries out lower electricity to Equations of The Second Kind branch road of powering.
3) electricity under classification
Be illustrated in figure 4 the distribution system operating diagram of the utility model embodiment DCDU, monitoring unit gathers the power supply parameter on each branch road, monitoring unit is according to the power supply parameter of each power supply branch road gathered, when determining that wherein arbitrary power supply branch road meets lower electric condition, cut off this power supply branch road and carry out lower electricity.
Realizing the concrete mode of lower electricity can be:
Each power supply branch road connects contactor, and this contactor is connected between DC input terminal on this power supply branch road and air switch, and described contactor is connected with monitoring unit;
When described monitoring unit determines that wherein arbitrary power supply branch road meets lower electric condition, the contact controlling the contactor on this power supply branch road disconnects carries out lower electricity.
Preferably, the power supply parameter of each power supply branch road comprises voltage and current;
Each power supply branch road connects a shunt, as shown in Figure 1, when this power supply branch road having contactor, this shunt is connected between DC input terminal on this power supply branch road and contactor, on this power supply branch road during no contact, this shunt is connected between DC input terminal on this power supply branch road and air switch.
Described monitoring unit obtains electric current on each power supply branch road by gathering electric current in each shunt, by gathering the busbar voltage on DC input terminal, being judged as current voltage, and being supplied to monitoring unit.
In the present embodiment, contactor is D.C. contactor, comprises coil, contact, after coil electricity, and contact action.
For embodiment 2, contactor is directly gone here and there in the power supply branch road of insignificant load, with the normally-closed contact of contactor, usually just as path, if need lower electricity, monitoring unit can give contactor coil 48V voltage, contactor adhesive, this contact action, normally closed contact will disconnect, and the circuit of insignificant load is also disconnected.
For shunt, when connecting, DC input terminal busbar seals in shunt, and the shunt other end is connected to each road air switch by busbar.
The distribution system of the DCU that the utility model embodiment provides, the plug-in frame type DCDU Direct Current Distribution Unit of electric company can be applied to, carry out internal electrical parameter detecting, state alarm, arrange and current power state according to user, gradable lower electricity, and there is the correlation functions such as electricity calculating and management, these parameters not only can show in the LCD screen of this interpolation frame outside, but also can upload the data to host computer.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a distribution system of current distribution unit DCDU, is characterized in that, comprising: at least one DC input terminal, at least one air switch, at least one load wiring terminal and monitoring unit, wherein:
Each DC input terminal has the port for inserting power supply, and each load wiring terminal has the port for connecting load;
A DC input terminal, an air switch and a load wiring terminal are in turn connected to form a power supply branch road, connect electronic control switch between the DC input terminal at least one power supply branch road and air switch;
Described monitoring unit, for gathering the power supply parameter of each power supply branch road, detecting arbitrary air switch according to the power supply parameter gathered and whether saltus step occurring, and when determining to need lower electricity, carries out lower electricity by the electronic control switch cutting off corresponding power supply branch road.
2. distribution system as claimed in claim 1, is characterized in that, connect electronic control switch between the DC input terminal in each power supply branch road and air switch;
When described monitoring unit is determined to need lower electricity, the electronic control switch cut off in all power supply branch roads carries out lower electricity; Or
Described monitoring unit is according to the power supply parameter of each power supply branch road gathered, and when determining that wherein arbitrary power supply branch road meets lower electric condition, the electronic control switch cutting off this power supply branch road carries out lower electricity.
3. distribution system as claimed in claim 1, is characterized in that,
Each power supply branch road is divided into power branch road and class two of the first kind to power branch road according to the load important that load wiring terminal connects, the first kind load that load wiring terminal connects in branch road of powering is more important, and each Equations of The Second Kind is powered between DC input terminal in branch road and air switch and connected electronic control switch;
When described monitoring unit determines to need lower electricity, only cut off the power electronic control switch of branch road of Equations of The Second Kind and carry out lower electricity;
The closing of contact of all contactors when powering on, when determining to need lower electricity, described monitoring unit controls the power contact of the contactor on branch road of Equations of The Second Kind and disconnects, and carries out lower electricity to Equations of The Second Kind branch road of powering.
4. the distribution system as described in as arbitrary in claims 1 to 3, is characterized in that,
Described electronic control switch is relay or contactor.
5. the distribution system as described in as arbitrary in claims 1 to 3, is characterized in that,
The power supply parameter of each power supply branch road comprises voltage and current, and each power supply branch road connects a shunt, wherein:
When this power supply branch road having electronic control switch, this shunt is connected between DC input terminal on this power supply branch road and electronic control switch;
Time on this power supply branch road without electronic control switch, this shunt is connected between DC input terminal on this power supply branch road and air switch;
Described monitoring unit obtains electric current on each power supply branch road by gathering electric current in each shunt, is obtained the voltage of each power supply branch road by the voltage on Gather and input terminal.
6. the distribution system as described in as arbitrary in claims 1 to 3, is characterized in that, also comprise:
Alarm Unit, is connected with monitoring unit, carries out alarm during for arbitrary air switch generation saltus step being detected at described monitoring unit.
7. the distribution system as described in as arbitrary in claims 1 to 3, is characterized in that, also comprise:
Communication unit;
Described monitoring unit, according to the power supply parameter of each the power supply branch road gathered, calculates the electricity of each power supply branch road, the power supply parameter of each power supply branch road and/or electricity is uploaded to host computer by described communication unit.
8. distribution system as claimed in claim 7, is characterized in that,
The power supply parameter of each power supply branch road and/or electricity are uploaded to host computer by RS485 interface by described communication unit.
9. distribution system as claimed in claim 1, is characterized in that, also comprise:
At least one lightning protection circuit;
Wherein, at least one power supply branch road connects a lightning protection circuit, and described lightning protection circuit connects between air switch on this power supply branch road and load wiring terminal.
10. distribution system as claimed in claim 1, is characterized in that, also comprise:
LED display, for showing power supply parameter and the current time of the collection of described monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520710765.4U CN204928122U (en) | 2015-09-14 | 2015-09-14 | Direct current distribution unit DCDU's distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520710765.4U CN204928122U (en) | 2015-09-14 | 2015-09-14 | Direct current distribution unit DCDU's distribution system |
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| CN204928122U true CN204928122U (en) | 2015-12-30 |
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| CN201520710765.4U Active CN204928122U (en) | 2015-09-14 | 2015-09-14 | Direct current distribution unit DCDU's distribution system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077469A (en) * | 2019-11-27 | 2020-04-28 | 上海辛格林纳新时达电机有限公司 | Power supply monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077469A (en) * | 2019-11-27 | 2020-04-28 | 上海辛格林纳新时达电机有限公司 | Power supply monitoring system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee after: Vitamin Technology Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee before: Aimosheng Network Energy Source Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |