CN203387299U - Electrical load control management device - Google Patents
Electrical load control management device Download PDFInfo
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- CN203387299U CN203387299U CN201320475884.7U CN201320475884U CN203387299U CN 203387299 U CN203387299 U CN 203387299U CN 201320475884 U CN201320475884 U CN 201320475884U CN 203387299 U CN203387299 U CN 203387299U
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- microprocessor
- load control
- control management
- circuit
- management devices
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Abstract
The utility model relates to an electric power control device, especially relates to an electrical load control management device, specifically relates to a device for managing and controlling a power-consumption load control in power transmission and distribution operation, and belongs to the technical field of power control. According to the technical scheme of the electrical load control management device, the electrical load control management device comprises a microprocessor. The microprocessor is connected with a current transformer which is for collecting a current of a power supply, a voltage transformer which is for collecting a voltage of the power supply and an acquisition circuit which is for collecting working states of an electrical load. The output terminal of the microprocessor is connected with a switch control circuit. The microprocessor, based on information of the current transformer, the voltage transformer and the acquisition circuit, controls the state of the switch control circuit, so as to control the state of the electrical load. The electrical load control management device is simple and compact in structure, is capable of controlling the short circuit, overload and over-current, is widely-applicable, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of power control unit, and especially a kind of power load control management devices specifically, for the negative control of the operating electricity consumption of power transmission and distribution is managed and controls, belongs to the technical field that electric power is controlled.
Background technology
Along with making rapid progress of science and technology, the growth of universal and enterprise's power transmission and distribution of various household electrical appliance, cause the load capacity of equipment for power transmission and distribution to increase, and also for the management of safety utilization of electric power, brings test.The hidden danger that how electricity consumption may be occurred is prevented, and just must effectively manage the negative control of electricity consumption, and the power load adopted at present adopts afterwards and disposes, and power transmission and distribution is produced dangerous, there will be and jumps electricity, the serious extreme accident such as fire that also produces.To bearing the control device, researched and developed at present, many advanced negative control devices occur, but, due to cost and the deficiency that device exists, make application that certain difficulty be arranged.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of power load control management devices is provided, and it is simple and compact for structure, can be controlled short circuit, overload and overcurrent condition, and wide accommodation, safe and reliable.
The technical scheme provided according to the utility model, described power load control management devices, comprise microprocessor, described microprocessor and current transformer for gathering source current, for the voltage transformer that gathers supply voltage and be connected for the Acquisition Circuit that gathers the electrical load operating state, the output of microprocessor is connected with ON-OFF control circuit, microprocessor is according to the state of the information control switch control circuit of current transformer, voltage transformer and Acquisition Circuit, to control the state of electrical load.
Described current transformer and voltage transformer are connected with external power source by the power supply connecting valve, and current transformer and voltage transformer are connected with microprocessor by three-phase electrical energy computation chip.
The output of described microprocessor is connected with the coil of relay, and microprocessor is by the on off state of the contact by-pass cock control circuit of relay.
Described three-phase electrical energy computation chip adopts the ATT7022 chip.Described microprocessor is connected with USB interface and memory.
The output of described microprocessor is connected with display circuit.Described microprocessor is connected with Ethernet interface and wireless communication interface.
Described microprocessor is connected with metering circuit.Described microprocessor adopts the ARM11 chip.Described Acquisition Circuit is connected with microprocessor by photoelectrical coupler.
Advantage of the present utility model: microprocessor is connected with current transformer, voltage transformer, detect current value, the magnitude of voltage of external power source input by current transformer and voltage transformer, microprocessor obtains the operating state of electrical load by Acquisition Circuit, the operating state that microprocessor can be regulated electrical load by relay and ON-OFF control circuit, the harm of avoiding short circuit, overload and overcurrent in electrical load work to produce, guarantee the safety of power transmission and distribution operation, simple and compact for structure, wide accommodation, safe and reliable.
The accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Description of reference numerals: 1-power supply connecting valve, 2-current transformer, 3-voltage transformer, 4-three-phase electrical energy computation chip, 5-USB interface, 6-microprocessor, 7-display circuit, 8-Ethernet interface, 9-wireless communication interface, 10-memory, 11-relay, 12-Acquisition Circuit, 13-ON-OFF control circuit and 14-metering circuit.
Embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order can effectively to monitor and to manage electrical load, the utility model comprises microprocessor 6, described microprocessor 6 and current transformer 2 for gathering source current, for the voltage transformer 3 that gathers supply voltage and be connected for the Acquisition Circuit 12 that gathers the electrical load operating state, the output of microprocessor 6 is connected with ON-OFF control circuit 13, microprocessor 6 is according to the state of the information control switch control circuit 13 of current transformer 2, voltage transformer 3 and Acquisition Circuit 12, to control the state of electrical load.
Particularly, described current transformer 2 and voltage transformer 3 are connected with external power source by power supply connecting valve 1, and current transformer 2 and voltage transformer 3 are connected with microprocessor 6 by three-phase electrical energy computation chip 4.Described three-phase electrical energy computation chip 4 adopts the ATT7022 chip.
The output of described microprocessor 6 is connected with the coil of relay 11, and microprocessor 6 is by the on off state of the contact by-pass cock control circuit 13 of relay 11.Described microprocessor 6 is connected with USB interface 5 and memory 10.In the utility model embodiment, can be to microprocessor 6 input parameters by USB interface 5, to regulate the parameter of power load control management, the Parameter storage that microprocessor 6 can be controlled some management is in memory 10.Described microprocessor 6 adopts the ARM11 chip.
The output of described microprocessor 6 is connected with display circuit 7.In the utility model embodiment, display circuit 7 can adopt display screen, touch-screen or LED display circuit.Described microprocessor 6 is connected with Ethernet interface 8 and wireless communication interface 9.Microprocessor 6 is connected with remote central controller by Ethernet interface 8 and wireless communication interface 9.
Described microprocessor 6 is connected with metering circuit 14.Described Acquisition Circuit 12 is connected with microprocessor 6 by photoelectrical coupler.The overcurrent of Acquisition Circuit 12 collection signals, the situation of overvoltage can be avoided by photoelectrical coupler, and the isolation of signal can be realized.
The bus of outside three phase mains is connected with power supply connecting valve 1, power source bus is through current transformer 2 generation current ratios, and obtain little electric current by current ratio, described little electric current is input in three-phase electrical energy computation chip 4, change into digital signal by three-phase electrical energy computation chip 4 by the analog current rotaring signal, more extremely give by little current delivery the microprocessor 6 that adopts the ARM11 chip by the communication interface of three-phase electrical energy computation chip 4.6 pairs of supplied with digital signal of microprocessor are stored in holder 10 after calculating, be convenient to comparison, when occurring that the interior setting of microprocessor 6 is in advance during electric current, microprocessor 6 outputs signal to the coil of relay 11, the coil of relay 11 obtain electric after, to ON-OFF control circuit 14 work, carry out separating brake, by ON-OFF control circuit 14, to turn-off electrical load after the contact adhesive of relay 11.In the utility model embodiment, Acquisition Circuit 12 adopts conventional circuit to realize, ON-OFF control circuit 14 is the contact triggered control circuits by relay 11.
In like manner, power source bus produces voltage ratio through voltage transformer 3, and obtain small voltage by voltage ratio and be input on three-phase electrical energy computation chip 4, by on three-phase electrical energy computation chip 4, by the analog voltage rotaring signal, changing into digital voltage signal, then export to microprocessor 6 by the communication interface of three-phase electrical energy computation chip 4, 6 pairs of input voltage digital signals of microprocessor are stored in holder 10 after calculating, be convenient to comparison, when occur surpassing while presetting voltage, microprocessor 6 outputs signal to the coil of relay 11, by after the contact adhesive of relay 11, ON-OFF control circuit 14 being worked, carry out separating brake, and connect display circuit 7 by microprocessor 6 interfaces, can realize that numeral shows, and select the content of the project of its demonstration by stirring upper and lower key.
The Ethernet interface 8 of microprocessor 6 configuration connects the data that each intelligent instruments gather each road to be transmitted and input, and carries out pipage control by the address of setting.Microprocessor 6 passes through the communication network interconnection network by wireless communication interface 9, and carry out transmission and the exchange of data by IP address and central controller, and analyzed and judge according to the load on every road, then can send deciliter instruction to switch by wireless communication networks.
The utility model microprocessor 6 is connected with current transformer 2, voltage transformer 3, detect current value, the magnitude of voltage of external power source input by current transformer 2 and voltage transformer 3, microprocessor 6 obtains the operating state of electrical load by Acquisition Circuit 12, the operating state that microprocessor 6 can be regulated electrical load by relay 11 and ON-OFF control circuit 13, the harm of avoiding short circuit, overload and overcurrent in electrical load work to produce, guarantee the safety of power transmission and distribution operation, simple and compact for structure, wide accommodation, safe and reliable.
Claims (10)
1. a power load control management devices, it is characterized in that: comprise microprocessor (6), described microprocessor (6) and the current transformer (2) for gathering source current, for voltage transformer (3) and Acquisition Circuit (12) connection for gathering the electrical load operating state that gathers supply voltage, the output of microprocessor (6) is connected with ON-OFF control circuit (13), microprocessor (6) is according to current transformer (2), the state of the information control switch control circuit (13) of voltage transformer (3) and Acquisition Circuit (12), to control the state of electrical load.
2. power load control management devices according to claim 1, it is characterized in that: described current transformer (2) and voltage transformer (3) are connected with external power source by power supply connecting valve (1), and current transformer (2) and voltage transformer (3) are connected with microprocessor (6) by three-phase electrical energy computation chip (4).
3. power load control management devices according to claim 1, it is characterized in that: the output of described microprocessor (6) is connected with the coil of relay (11), and microprocessor (6) is by the on off state of the contact by-pass cock control circuit (13) of relay (11).
4. power load control management devices according to claim 2, is characterized in that: described three-phase electrical energy computation chip (4) employing ATT7022 chip.
5. power load control management devices according to claim 1, it is characterized in that: described microprocessor (6) is connected with USB interface (5) and memory (10).
6. power load control management devices according to claim 1, it is characterized in that: the output of described microprocessor (6) is connected with display circuit (7).
7. power load control management devices according to claim 1, it is characterized in that: described microprocessor (6) is connected with Ethernet interface (8) and wireless communication interface (9).
8. power load control management devices according to claim 1, it is characterized in that: described microprocessor (6) is connected with metering circuit (14).
9. power load control management devices according to claim 1, is characterized in that: described microprocessor (6) employing ARM11 chip.
10. power load control management devices according to claim 1, it is characterized in that: described Acquisition Circuit (12) is connected with microprocessor (6) by photoelectrical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320475884.7U CN203387299U (en) | 2013-08-05 | 2013-08-05 | Electrical load control management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320475884.7U CN203387299U (en) | 2013-08-05 | 2013-08-05 | Electrical load control management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387299U true CN203387299U (en) | 2014-01-08 |
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ID=49875748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320475884.7U Expired - Lifetime CN203387299U (en) | 2013-08-05 | 2013-08-05 | Electrical load control management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539052A (en) * | 2014-12-30 | 2015-04-22 | 无锡联力电子科技有限公司 | Intelligent electricity utilization management device |
| CN104979910A (en) * | 2015-07-06 | 2015-10-14 | 安徽宝绿电器科技有限公司 | Solar allopatric switch control device |
-
2013
- 2013-08-05 CN CN201320475884.7U patent/CN203387299U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539052A (en) * | 2014-12-30 | 2015-04-22 | 无锡联力电子科技有限公司 | Intelligent electricity utilization management device |
| CN104979910A (en) * | 2015-07-06 | 2015-10-14 | 安徽宝绿电器科技有限公司 | Solar allopatric switch control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |