CN205123253U - Safe electric power power supply system - Google Patents
Safe electric power power supply system Download PDFInfo
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- CN205123253U CN205123253U CN201520887164.0U CN201520887164U CN205123253U CN 205123253 U CN205123253 U CN 205123253U CN 201520887164 U CN201520887164 U CN 201520887164U CN 205123253 U CN205123253 U CN 205123253U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
Abstract
The utility model relates to a safe electric power power supply system belongs to the power supply system field. Including power station, transmission of electricity electric wire netting, distribution transformer, distribution electric wire netting, subscribers transformer, local electric wire netting, reducing transformer, theftproof ammeter, the power station is connected to the transmission of electricity electric wire netting and for its power supply, distribution transformer's once side is connected to the transmission of electricity electric wire netting, the secondary side is continuous with the distribution electric wire netting, distribution electric wire netting, secondary side connection local electric wire netting are connected to subscribers transformer's once side, local electric wire netting, secondary side connection theftproof ammeter are connected to reducing transformer's once side, and the theftproof ammeter includes ammeter body, theftproof transformer, theftproof casing, and the installation is gone into in the theftproof casing behind ammeter body and the theftproof transformer series, the output of theftproof ammeter is supplied power for the load, the voltage of local electric wire netting is higher than the operating voltage of load, the input voltage of theftproof ammeter is less than the operating voltage of load. Voltage before getting into the ammeter is the voltage that domestic appliance can just directly not use, and after the conversion of theftproof ammeter, the ammeter of should guarding against theft just can direct action in load.
Description
Technical field
The utility model relates to a kind of security power electric power system, belongs to electric power system field.
Background technology
Electric energy meter is used to the instrument measuring electric energy, and also known as kilowatt-hour meter, energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.The kilowatt-hour meter of current use.Off-balancesheet lead-in wire reaches electricity consumption and the cheating effect of not having good luck or having good luck less current coil short circuit in table.This power stealing mode is very easy, namely two of kilowatt-hour meter joint short circuits can be achieved the goal at off-balancesheet one trifle wire.This method is not destroyed lead sealing, watchcase, separately need not be connect open-wire line, and is easy to camouflage and meets an urgent need ruin mark, is thus adopted by a lot of user.This is a kind of potential serious social phenomenon of seeking private gain at public expense, spending the energy freely.Based on above-mentioned phenomenon, the utility model spy proposes a kind of Anti-current stealing electric meter to eliminate these bad phenomenon.
The ammeter of present dress, install concentratedly, and add the additional strip of paper used for sealing of affixing one's seal of aluminium envelope, terminal box and table body some places all so simultaneously, fill the chest of ammeter or lock, on screw, load onto aluminium envelope after screwing on screw, if it is damaged to be stained with any one thing of strip of paper used for sealing simultaneously, all belonging to robber's electrical travelling is.
Present robber's electrical phenomena remains incessant after repeated prohibition, and the safety not only compromising electrical network brings hidden danger for electric equipment and personal safety simultaneously.And high tension transmission can be realized further, improve fail safe and the energy saving of high tension transmission, the loss of less electrical energy in transmitting procedure.
Summary of the invention
The purpose of this utility model is: for above-mentioned Problems existing, a kind of security power electric power system is provided, higher stability and fail safe can be had, for load end provides safety guarantee, can avoid people and by robber's electrical travelling of the short circuit of ammeter be, stealing electrical travelling be that the fail safe not only destroying electrical network has carried out hidden danger for personal safety belt simultaneously.Voltage before entering ammeter is the voltage that household electrical appliance can not just directly use, and after the conversion of Theft-proof kilowatt-hour meter, this Theft-proof kilowatt-hour meter can directly act on load.Adopt lower than the voltage of loaded work piece voltage at the input of Theft-proof kilowatt-hour meter, the damage to equipment when can avoid ammeter short circuit, reduces the incidence of the concurrent accident of short circuit.
The technical solution adopted in the utility model is as follows:
The utility model discloses a kind of security power electric power system, comprise power station, power transmission electric network, distribution transformer, distrbution network, user transformers, local power net, step-down transformer, Theft-proof kilowatt-hour meter; Power station is connected to power transmission electric network and is its power supply, and the primary side of distribution transformer is connected to power transmission electric network, secondary side is connected with distrbution network; The primary side of user transformers connects distrbution network, secondary side connects local power net; The primary side of step-down transformer connects local power net, secondary side connects Theft-proof kilowatt-hour meter, and Theft-proof kilowatt-hour meter comprises ammeter body, antitheft transformer, antitheft housing, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter is load supplying; The voltage of described local power net is higher than the operating voltage of load; The input voltage of Theft-proof kilowatt-hour meter is lower than the operating voltage of load.
Further, the distance of described step-down transformer and Theft-proof kilowatt-hour meter is not more than 200m.
Further, the voltage of described local power net is higher than the operating voltage of load.
Further, the electric pressure of described power transmission electric network is 110kV, 220kV or 330kV; The voltage of described distrbution network is 10kV; The voltage of described local power net is 500-700V; The output voltage of described step-down transformer is 110-150V.
Further, described antitheft transformer is provided with adjuster, this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
Due to above-mentioned electric power system, this system has preventing fraudulent use of electricity function, and people can be prevented robber's electrical phenomena of ammeter short circuit, and the fail safe that robber's electrical phenomena not only destroys electrical network carrys out hidden danger for personal safety belt simultaneously.By being that ammeter is powered lower than the voltage of operating voltage, after the boosting of Theft-proof kilowatt-hour meter, the output voltage of Theft-proof kilowatt-hour meter can directly act on load.Adopt 110-150V as the input voltage of Theft-proof kilowatt-hour meter and adopt 500-700V as the input voltage of local power net, when can reduce ammeter short circuit, voltage, to the destruction of equipment, can also improve the action rate of fuse; While avoiding stealing electricity, reduce voltage to danger that is personal and equipment; This voltage range, can be applicable to existing circuit network simultaneously, does not need to change cable, has saved the application cost of this device.The large area of equipment can be avoided to damage, and the injury of this voltage to the person is little, can realize protection that is personal and equipment while antitheft, the voltage of this grade simultaneously, do not need to change existing mounted circuit, have more powerful generalization, the circuit length of its 110-150V is not more than 200m; Can ensure to transmit the advantage that energy consumption is little and transmission security is high.When local power net is greater than 700V, the injury of its voltage to equipment and the person improves greatly, needs to change cable, increases cost.When the output voltage of step-down transformer is lower than 110V, or when transmission range is longer than 200m, energy consumption and the danger of its transmission obviously increase.
Further, the control system of described Theft-proof kilowatt-hour meter comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the antitheft transformer be connected on ammeter body, and this antitheft transformer is used for the operating voltage nonoperating voltage of load being become load; Antitheft transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and shower nozzle is used for spray insecticide; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
Due to said method, by repetitive measurement and data screening, improve the accuracy measured, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement, in addition, this method adopts rational sampling interval time, can according to the Changing Pattern of alternating current, extract the position of alternating current difference fluctuation, inspect voltage by random samples on the whole, the accuracy of further raising result.The accuracy controlling of transformer can be realized; be conducive to the reasonable output realizing ammeter; load equipment can be protected; and then improve the life-span of equipment; thus reach optimized output; thisly adjustment is carried out to first less to coil turn side be conducive to Rapid Variable Design voltage; thus realize the quick adaptation of voltage; after regulating the position of small turn number coil place in circuit or access current segment; by the more coil place in circuit of the number of turn or access current segment number, realize the fine adjustment of output voltage.Be conducive to obtaining more stable output voltage.
Further, the method for supplying power to of this electric power system:
(1), power station generating after, after synchronous operation, treat that the electric pressure that the output voltage in power station is incorporated to is the power transmission electric network of 110kV, be power transmission electric network and power;
(2), after 3.5min, detect the voltage of power transmission electric network, when the fluctuation range of power transmission electric network is less than 6%, distribution transformer is accessed in power transmission electric network;
(3), after 2.5min, the fluctuation range detecting the voltage of distribution transformer secondary side is less than 7.4%, be then linked into by this distribution transformer in the distrbution network of 10kV electric pressure;
(4), after 1min, the fluctuation range detecting the pressure in distrbution network is less than 8.5%, then access in distrbution network by user transformers;
(5), detect the output voltage of user transformers, if this output voltage is 500-700V and fluctuation range is less than 8.5%, then control this user transformers and be incorporated in local power net;
(6), after 40s, step-down transformer is connected in local power net, then after 10s, step-down transformer is communicated with Theft-proof kilowatt-hour meter;
(7), Theft-proof kilowatt-hour meter detects that the voltage of transformer output is 220V ± 10%, then controlling Theft-proof kilowatt-hour meter is load supplying.
Due to said method, each stage of power supply is all detected, after making the voltage stabilization on each circuit, just access the electric equipment of next stage, when can not only reduce device access device, less to the impact of electrical network, the speed restored balance is faster, and then improves the useful life of equipment, and its clear logic, collocation are rationally, adopt the power transmission electric network of 110kV to be applicable to the power supply environment of southwest, existing supply network can be compatible with; Detect the voltage of power transmission electric network after access power station 3.5min and require that its fluctuation is less than 6%, its objective is that minimizing newly adds the impact of generating equipment on net pressure, the speed that this time can not only accelerate to power has taken into account the impact of sake power network fluctuation on equipment simultaneously; In like manner, in step (3), (4), (5), the effect of parameter is also to obtain power supplying efficiency and the balance reducing voltge surge double effects.In step 6 the connection interval time of each equipment, can voltage fluctuation be effectively reduced, to the impact of electric equipment, avoid power network fluctuation scope to increase further simultaneously, strengthen grid stability.
Owing to have employed said structure.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, structure is simple, novel in design, achieves the object of preventing fraudulent use of electricity, improves electric network security; Adopt suitable parameter, take into account the useful life of equipment and the power supplying efficiency of electrical network.
2, this design can promote the transmission voltage of ammeter primary side, can be conducive to the long-distance transmissions realizing electric energy, decrease electric energy loss.
3, this design can directly be reequiped on original ammeter, is easy to promotion and application, is conducive to the fail safe of promotion equipment, can implement device effective.
4, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement.
Accompanying drawing explanation
Fig. 1 is security power electric power system front view in the utility model;
Mark in figure: 1-user transformers, 2-Theft-proof kilowatt-hour meter, 3-load, 4-distribution transformer, 5-power station, 6-power transmission electric network, 7-distrbution network, 8-local power net, 9-step-down transformer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
specific embodiment 1:
As shown in Figure 1, the utility model discloses a kind of security power electric power system, comprise power station 5, power transmission electric network 6, distribution transformer 4, distrbution network 7, user transformers 1, local power net 8, step-down transformer 9, Theft-proof kilowatt-hour meter 2; Power station is connected to power transmission electric network 6 and is its power supply, and the primary side of distribution transformer 4 is connected to power transmission electric network 6, secondary side is connected with distrbution network 7; The primary side of user transformers 1 connects distrbution network 7, secondary side connects local power net 8; The primary side of step-down transformer 9 connects local power net 8, secondary side connects Theft-proof kilowatt-hour meter 2, and Theft-proof kilowatt-hour meter 2 comprises ammeter body, antitheft transformer, antitheft housing, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter 2 is that load 3 is powered; The voltage of local power net 8 is higher than the operating voltage of load 3; The input voltage of Theft-proof kilowatt-hour meter 2 is lower than the operating voltage of load 3.
Namely operating voltage can be used for the voltage of the power supply that load 3 normally works, adopt nonoperating voltage to power and easily cause load 3 overload or overcurrent, or cannot normally run, the situation such as under-voltage, operating voltage can be considered the scope range of the fluctuation of voltage of load 3 rated voltage and permission.
Step-down transformer 9 is not more than 200m with the distance of Theft-proof kilowatt-hour meter 2.
The voltage of local power net 8 is higher than the operating voltage of load 3.
The electric pressure of power transmission electric network 6 is 110kV, 220kV or 330kV; The voltage of distrbution network 7 is 10kV; The voltage of local power net 8 is 500-700V; The output voltage of step-down transformer 9 is 110-150V.
Antitheft transformer is provided with adjuster, and this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
Due to above-mentioned electric power system, this system has preventing fraudulent use of electricity function, and people can be prevented robber's electrical phenomena of ammeter short circuit, and the fail safe that robber's electrical phenomena not only destroys electrical network carrys out hidden danger for personal safety belt simultaneously.By being that ammeter is powered lower than the voltage of operating voltage, after the boosting of Theft-proof kilowatt-hour meter 2, the output voltage of Theft-proof kilowatt-hour meter 2 can directly act on load 3.Adopt 110-150V as the input voltage of Theft-proof kilowatt-hour meter 2 and adopt 500-700V as the input voltage of local power net 8, when can reduce ammeter short circuit, voltage, to the destruction of equipment, can also improve the action rate of fuse; While avoiding stealing electricity, reduce voltage to danger that is personal and equipment; This voltage range, can be applicable to existing circuit network simultaneously, does not need to change cable, has saved the application cost of this device.The large area of equipment can be avoided to damage, and the injury of this voltage to the person is little, can realize protection that is personal and equipment while antitheft, the voltage of this grade simultaneously, do not need to change existing mounted circuit, have more powerful generalization, the circuit length of its 110-150V is not more than 200m; Can ensure to transmit the advantage that energy consumption is little and transmission security is high.When local power net 8 is greater than 700V, the injury of its voltage to equipment and the person improves greatly, needs to change cable, increases cost.When the output voltage of step-down transformer 9 is lower than 110V, or when transmission range is longer than 200m, energy consumption and the danger of its transmission obviously increase.
specific embodiment 2:
Control system according to the Theft-proof kilowatt-hour meter 2 of specific embodiment 1 comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the antitheft transformer be connected on ammeter body, and this antitheft transformer is used for the operating voltage nonoperating voltage of load 3 being become load 3; Antitheft transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and shower nozzle is used for spray insecticide; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
Due to said method, by repetitive measurement and data screening, improve the accuracy measured, ensure that quality and the stability of power supply, can the stably measured of implement device, improve availability and the applicability of ammeter, adopt the data processing method optimized, discharge rub-out signal, and by useful signal novel fast processing in MCU, thus improve the stability of method of measurement, in addition, this method adopts rational sampling interval time, can according to the Changing Pattern of alternating current, extract the position of alternating current difference fluctuation, inspect voltage by random samples on the whole, the accuracy of further raising result.The accuracy controlling of transformer can be realized; be conducive to the reasonable output realizing ammeter; load 3 equipment can be protected; and then improve the life-span of equipment; thus reach optimized output; thisly adjustment is carried out to first less to coil turn side be conducive to Rapid Variable Design voltage; thus realize the quick adaptation of voltage; after regulating the position of small turn number coil place in circuit or access current segment; by the more coil place in circuit of the number of turn or access current segment number, realize the fine adjustment of output voltage.Be conducive to obtaining more stable output voltage.
specific embodiment 3:
Method of supplying power to according to the electric power system of embodiment 1 or embodiment 2:
(1), after power station 5 generates electricity, after synchronous operation, treat that electric pressure that the output voltage in power station 5 is incorporated to is the power transmission electric network 6 of 110kV, be power transmission electric network 6 and power;
(2), after 3.5min, detect the voltage of power transmission electric network 6, when the fluctuation range of power transmission electric network 6 is less than 6%, distribution transformer 4 is accessed in power transmission electric network 6;
(3), after 2.5min, the fluctuation range detecting the voltage of distribution transformer 4 secondary side is less than 7.4%, be then linked in the distrbution network 7 of 10kV electric pressure by this distribution transformer 4;
(4), after 1min, the fluctuation range detecting the pressure in distrbution network 7 is less than 8.5%, then access in distrbution network 7 by user transformers 1;
(5), detect the output voltage of user transformers 1, if this output voltage is 500-700V and fluctuation range is less than 8.5%, then control this user transformers 1 and be incorporated in local power net 8;
(6), after 40s, step-down transformer 9 is connected in local power net 8, then after 10s, step-down transformer 9 is communicated with Theft-proof kilowatt-hour meter 2;
(7), Theft-proof kilowatt-hour meter 2 detects that the voltage of transformer output is 220V ± 10%, then control Theft-proof kilowatt-hour meter 2 and power for load 3.
Due to said method, each stage of power supply is all detected, after making the voltage stabilization on each circuit, just access the electric equipment of next stage, when can not only reduce device access device, less to the impact of electrical network, the speed restored balance is faster, and then improves the useful life of equipment, and its clear logic, collocation are rationally, adopt the power transmission electric network 6 of 110kV to be applicable to the power supply environment of southwest, existing supply network can be compatible with; Detect the voltage of power transmission electric network 6 after access power station 53.5min and require that its fluctuation is less than 6%, its objective is that minimizing newly adds the impact of generating equipment on net pressure, the speed that this time can not only accelerate to power has taken into account the impact of sake power network fluctuation on equipment simultaneously; In like manner, in step (3), (4), (5), the effect of parameter is also to obtain power supplying efficiency and the balance reducing voltge surge double effects.In step 6 the connection interval time of each equipment, can voltage fluctuation be effectively reduced, to the impact of electric equipment, avoid power network fluctuation scope to increase further simultaneously, strengthen grid stability.
The voltage related in specific embodiment 1-3 is line voltage.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. a security power electric power system, is characterized in that, comprises power station, power transmission electric network, distribution transformer, distrbution network, user transformers, local power net, step-down transformer, Theft-proof kilowatt-hour meter; Power station is connected to power transmission electric network and is its power supply, and the primary side of distribution transformer is connected to power transmission electric network, secondary side is connected with distrbution network; The primary side of user transformers connects distrbution network, secondary side connects local power net; The primary side of step-down transformer connects local power net, secondary side connects Theft-proof kilowatt-hour meter, and Theft-proof kilowatt-hour meter comprises ammeter body, antitheft transformer, antitheft housing, and ammeter body is fit into after connecting with antitheft transformer in antitheft housing; The output of Theft-proof kilowatt-hour meter is load supplying; The input voltage of Theft-proof kilowatt-hour meter is lower than the operating voltage of load.
2. security power electric power system according to claim 1, is characterized in that, the distance of described step-down transformer and Theft-proof kilowatt-hour meter is not more than 200m.
3. security power electric power system according to claim 1, is characterized in that, the voltage of described local power net is higher than the operating voltage of load.
4. security power electric power system according to claim 3, is characterized in that, the electric pressure of described power transmission electric network is 110kV, 220kV or 330kV; The voltage of described distrbution network is 10kV; The voltage of described local power net is 500-700V; The output voltage of described step-down transformer is 110-150V.
5. security power electric power system according to claim 4, is characterized in that, described antitheft transformer is provided with adjuster, and this adjuster is for regulating the coil ratio of antitheft transformer place in circuit part.
6. the security power electric power system according to any one of claim 1-5, is characterized in that, the control system of described Theft-proof kilowatt-hour meter comprises:
Control unit, comprises intelligent controller, and this intelligent controller comprises MCU, display and keyboard, and display is connected with MCU respectively with keyboard;
Anti-theft unit, comprises the antitheft transformer be connected on ammeter body, and this antitheft transformer is used for the operating voltage nonoperating voltage of load being become load; Antitheft transformer output is provided with relay, and the control end of this relay is connected with MCU;
Voltage detection unit, comprises two voltage sensors being arranged on transformer first and second side; This voltage sensor is electrically connected with MCU, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprises setting voltage regulator on the transformer, and this voltage regulator realizes the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The primary side of transformer and the coil of secondary side are equipped with the pressure regulation node of multiple number of turn for the access of control transformer coil, and its secondary side pressure regulation node is more than primary side pressure regulation node, and pressure regulation node is connected with voltage regulator respectively;
Communication unit, comprises communicator and loud speaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loud speaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, electromagnetically operated valve, shower nozzle by placed in series; At expelling parasite tank built with pesticide, solenoid control insect expelling device opens and closes, and shower nozzle is used for spray insecticide; Shower nozzle is also provided with air blast, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control unit is connected with anti-theft unit, voltage detection unit, pressure regulation unit, expelling parasite unit and communication unit respectively, and for controlling each unit matching action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887164.0U CN205123253U (en) | 2015-11-10 | 2015-11-10 | Safe electric power power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520887164.0U CN205123253U (en) | 2015-11-10 | 2015-11-10 | Safe electric power power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN205123253U true CN205123253U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520887164.0U Expired - Fee Related CN205123253U (en) | 2015-11-10 | 2015-11-10 | Safe electric power power supply system |
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| CN (1) | CN205123253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322538A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | Safe electric power supply system |
-
2015
- 2015-11-10 CN CN201520887164.0U patent/CN205123253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322538A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | Safe electric power supply system |
| CN105322538B (en) * | 2015-11-10 | 2019-04-05 | 江苏小康电力科技有限公司 | A kind of security power power supply system |
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