CN105071361A - Device for intelligently preventing disordered reverse power transmission for power system - Google Patents
Device for intelligently preventing disordered reverse power transmission for power system Download PDFInfo
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- CN105071361A CN105071361A CN201510510662.8A CN201510510662A CN105071361A CN 105071361 A CN105071361 A CN 105071361A CN 201510510662 A CN201510510662 A CN 201510510662A CN 105071361 A CN105071361 A CN 105071361A
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- power
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- electric meter
- intelligent electric
- checkout gear
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Abstract
The invention provides a device for intelligently preventing disordered reverse power transmission for a power system, and belongs to the field of power direction control devices. The device comprises an intelligent electric meter, and the interior of the intelligent electric meter is provided with a switch. A control end of the switch is connected to a signal output end of the intelligent electric meter. The intelligent electric meter is provided with a power direction detection device, and the output end of the switch is connected to a user through a detection end of the power direction detection device. A signal output end of the power direction detection device is connected to two ends of the control end of the switch in a parallel manner. A communication end of the power direction detection device is connected to an intelligent electric meter controller through a communication device. The device effectively controls the reverser power transmission of the user, and effectively avoids electric shock.
Description
Technical field
The invention provides a kind of Power System Intelligent and prevent unordered anti-power transmission device, belong to power direction control device field.
Background technology
Existing intelligent electric meter is electronic weighing instrument, can the power consumption of metering user, and the power information of user is reported to the host computer of power supply management enterprise by communication device, carry out managing and fee for power supply management enterprise, and for ensureing that user is when electricity forward purchasing uses or do not pay electricity charge last month two kinds of situations, power supply management enterprise can prevent in time, a switch can be set in intelligent electric meter, switch can be controlled by the controller of intelligent electric meter, also can by the controller transmission control command of host computer to intelligent electric meter, it is made to close in time, thus control subscriber arrearage electricity consumption.
But along with China's height electricity electric energy storage device and generating equipment are constantly popularized in user, safeguard under the prerequisite do not known with power supply attendant when user does not know, electric shock very likely occurs and waits peril.
Summary of the invention
The invention provides a kind of Power System Intelligent and prevent unordered anti-power transmission device, effective control the anti-power transmission of user, effectively avoid getting an electric shock, the generation of asynchronous parallelizing and the malfunctioning peril of relaying protection.
Power System Intelligent of the present invention prevents unordered anti-power transmission device, comprise intelligent electric meter, also comprise switch, power direction checkout gear, the control end of switch is connected to the signal output part of intelligent electric meter, the output of switch is connected to user by the test side of power direction checkout gear, the signal output part of power direction checkout gear is parallel to the control end two ends of switch, and the communication ends of power direction checkout gear is connected to intelligent electric meter controller by communication device.
Described Power System Intelligent prevents unordered anti-power transmission device, replace original intelligent electric meter, circuit due to user is bound to be connected to supply network by the present invention, so the present invention can be interpreted as the separation of supply network and user, this intelligent electric meter is provided with power direction checkout gear, this device effect to be exactly only the direction of detection power be flow to user by supply network or by user's effluent to supply network, when power direction checkout gear detects that separation occurs user's effluent to the power in supply network direction, the control end of power direction checkout gear can export control signal, switch is disconnected, thus disconnection separation, although make user have a power failure, but the safety that supply network overhauls can be ensured, avoid peril to occur, power direction checkout gear can by the control chip transmission message information of communication terminal to intelligent electric meter while exporting control signal, message information can be transferred to host computer by the connection of intelligent electric meter and host computer, the dispatching patcher of electrical network management and control enterprise can be learnt in time, and contact with user, carry out corresponding prompting and solve, and intelligent electric meter, be connected with supply line by control line between switch and power direction checkout gear, make each several part install and wiring very convenient.
Described Power System Intelligent prevents unordered anti-power transmission device, switch is active power flow control switch, active power flow control switch is arranged between power direction checkout gear and user, and the control end of active power flow control switch is connected to another output of power direction checkout gear.Active power flow control switch is the angle of flow by thyristor control power, thus control the switch of power direction, power direction checkout gear detect separation occur by user's effluent to supply network time, power direction checkout gear can transmit control signal first to active power flow control switch, conducting power angle is changed by active power flow control switch, make power only to flow to user side by supply network, but user's effluent cannot conducting to the power in supply network direction, ensure that can not there be power flow direction supply network at separation place, ensure that staff is when safeguarding, can not be charged on circuit, cause dangerous generation, after power detection device transmits control signal to active power flow control switch, power detection device still can detect the power of user's effluent to supply network, namely when active power flow control switch breaks down, because ammeter self can with switch, the control end of power detection device can transmit control signal to intelligent electric meter controller, and intelligent electric meter internal switch is disconnected, and disconnects separation, thus further protect, avoid occurring maintenance accident.
Described Power System Intelligent prevents unordered anti-power transmission device, test side and the active power flow control switch of power direction checkout gear are arranged in the shell of intelligent electric meter, be arranged between switch and the leading-out terminal of intelligent electric meter by the test side of power direction checkout gear and active power flow control switch, the communication ends of power direction checkout gear is directly connected with the controller of intelligent electric meter by serial ports.Power direction checkout gear and active power flow control switch are all integrated in the shell of intelligent electric meter, be the integrative-structure of encapsulation, eliminate the communication device between intelligent electric meter controller, the test side of power direction checkout gear and active power flow control switch, avoiding Communication causes the present invention normally to run, and improves practicality of the present invention.
The present invention compared with prior art beneficial effect is:
Described Power System Intelligent prevents unordered anti-power transmission device, replace original intelligent electric meter, circuit due to user is bound to be connected to supply network by the present invention, so the present invention can be interpreted as the separation of supply network and user, this intelligent electric meter is provided with power direction checkout gear, this device effect to be exactly only the direction of detection power be flow to user by supply network or by user's effluent to supply network, when power direction checkout gear detects that separation occurs user's effluent to the power in supply network direction, the control end of power direction checkout gear can export control signal, switch is disconnected, thus disconnection separation, although make user have a power failure, but the safety that supply network overhauls can be ensured, avoid peril to occur, power direction checkout gear can by the control chip transmission message information of communication terminal to intelligent electric meter while exporting control signal, message information can be transferred to host computer by the connection of intelligent electric meter and host computer, the dispatching patcher of electrical network management and control enterprise can be learnt in time, and contact with user, carry out corresponding prompting and solve, and intelligent electric meter, be connected with supply line by control line between switch and power direction checkout gear, make each several part install and wiring very convenient.
Described active power flow control switch, active power flow control switch is the angle of flow by thyristor control power, thus control the switch of power direction, power direction checkout gear detect separation occur by user's effluent to supply network time, power direction checkout gear can transmit control signal first to active power flow control switch, conducting power angle is changed by active power flow control switch, make power only to flow to user side by supply network, but user's effluent cannot conducting to the power in supply network direction, ensure that can not there be power flow direction supply network at separation place, ensure that staff is when safeguarding, can not be charged on circuit, cause dangerous generation, after power detection device transmits control signal to active power flow control switch, power detection device still can detect the power of user's effluent to supply network, namely when active power flow control switch breaks down, because ammeter self can with switch, the control end of power detection device can transmit control signal to intelligent electric meter controller, and intelligent electric meter internal switch is disconnected, and disconnects separation, thus further protect, avoid occurring maintenance accident.
Described Power System Intelligent prevents unordered anti-power transmission device, power direction checkout gear and active power flow control switch are all integrated in the shell of intelligent electric meter, be the integrative-structure of encapsulation, eliminate the communication device between intelligent electric meter controller, the test side of power direction checkout gear and active power flow control switch, avoiding Communication causes the present invention normally to run, and improves practicality of the present invention.
Described Power System Intelligent prevents unordered anti-power transmission device, power direction checkout gear and active power flow control switch are all integrated in the shell of intelligent electric meter, be the integrative-structure of encapsulation, eliminate the communication device between intelligent electric meter controller, the test side of power direction checkout gear and active power flow control switch, avoiding Communication causes the present invention normally to run, and improves practicality of the present invention.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 3 structural representation.
In figure: 1, intelligent electric meter; 2, shell; 3, power direction checkout gear; 4, active power flow control switch; 5, communication device.
Embodiment
Below in conjunction with the present invention, the embodiment of the present invention is described further:
Embodiment 1: as shown in Figure 1, Power System Intelligent of the present invention prevents unordered anti-power transmission device, comprise intelligent electric meter 1, also comprise switch, power direction checkout gear 3, the control end of switch is connected to the signal output part of intelligent electric meter 1, the output of switch is connected to user by the test side of power direction checkout gear 3, the signal output part of power direction checkout gear 3 is parallel to the control end two ends of switch, and the communication ends of power direction checkout gear 3 is connected to intelligent electric meter 1 controller by communication device 5.
Embodiment 2: on the architecture basics described in embodiment 1, switch is active power flow control switch 4, active power flow control switch 4 is arranged between power direction checkout gear 3 and user, and the control end of active power flow control switch 4 is connected to another output of power direction checkout gear 3.
Embodiment 3: on the architecture basics described in embodiment 2, as shown in Figure 2, the test side of power direction checkout gear 3 and active power flow control switch 4 are arranged in the shell 2 of intelligent electric meter 1, be arranged between the leading-out terminal of switch and intelligent electric meter 1 by the test side of power direction checkout gear 3 and active power flow control switch 4, the communication ends of power direction checkout gear 3 is directly connected by the controller of serial ports with intelligent electric meter 1.
Claims (3)
1. a Power System Intelligent prevents unordered anti-power transmission device, comprise intelligent electric meter (1), it is characterized in that, also comprise switch, power direction checkout gear (3), the control end of switch is connected to the signal output part of intelligent electric meter (1), the output of switch is connected to user by the test side of power direction checkout gear (3), the signal output part of power direction checkout gear (3) is parallel to the control end two ends of switch, the communication ends of power direction checkout gear (3) is connected to intelligent electric meter (1) controller by communication device (5).
2. Power System Intelligent according to claim 1 prevents unordered anti-power transmission device, it is characterized in that, switch is active power flow control switch (4), active power flow control switch (4) is arranged between power direction checkout gear (3) and user, and the control end of active power flow control switch (4) is connected to another output of power direction checkout gear (3).
3. Power System Intelligent according to claim 2 prevents unordered anti-power transmission device, it is characterized in that, the test side of power direction checkout gear (3) and active power flow control switch (4) are arranged in the shell (2) of intelligent electric meter (1), be arranged between the leading-out terminal of switch and intelligent electric meter (1) by the test side of power direction checkout gear (3) and active power flow control switch (4), the communication ends of power direction checkout gear (3) is directly connected by the controller of serial ports with intelligent electric meter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510662.8A CN105071361B (en) | 2015-08-18 | 2015-08-18 | Power System Intelligent prevents unordered anti-power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510510662.8A CN105071361B (en) | 2015-08-18 | 2015-08-18 | Power System Intelligent prevents unordered anti-power transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105071361A true CN105071361A (en) | 2015-11-18 |
| CN105071361B CN105071361B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510510662.8A Active CN105071361B (en) | 2015-08-18 | 2015-08-18 | Power System Intelligent prevents unordered anti-power transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591793A (en) * | 2016-07-08 | 2018-01-16 | 无锡美凯能源科技有限公司 | A kind of intelligent power direction detection device and method applied to micro-grid system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004042883A1 (en) * | 2002-11-06 | 2004-05-21 | Mitsubishi Denki Kabushiki Kaisha | Protective relay |
| CN102664429A (en) * | 2012-05-29 | 2012-09-12 | 国电联合动力技术有限公司 | Grid-connected non-networking micro-grid system and control protection method thereof |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN103066585A (en) * | 2012-12-13 | 2013-04-24 | 中国矿业大学 | Power supply detection and abnormal reverse power transmission control device |
| CN205039531U (en) * | 2015-08-18 | 2016-02-17 | 国网山东桓台县供电公司 | Unordered anti - power transmission device is prevented to electric power system intelligence |
-
2015
- 2015-08-18 CN CN201510510662.8A patent/CN105071361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004042883A1 (en) * | 2002-11-06 | 2004-05-21 | Mitsubishi Denki Kabushiki Kaisha | Protective relay |
| CN102664429A (en) * | 2012-05-29 | 2012-09-12 | 国电联合动力技术有限公司 | Grid-connected non-networking micro-grid system and control protection method thereof |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN103066585A (en) * | 2012-12-13 | 2013-04-24 | 中国矿业大学 | Power supply detection and abnormal reverse power transmission control device |
| CN205039531U (en) * | 2015-08-18 | 2016-02-17 | 国网山东桓台县供电公司 | Unordered anti - power transmission device is prevented to electric power system intelligence |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591793A (en) * | 2016-07-08 | 2018-01-16 | 无锡美凯能源科技有限公司 | A kind of intelligent power direction detection device and method applied to micro-grid system |
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| Publication number | Publication date |
|---|---|
| CN105071361B (en) | 2019-02-01 |
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