CN205139213U - A prevent power stealing system for district - Google Patents
A prevent power stealing system for district Download PDFInfo
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- CN205139213U CN205139213U CN201520886659.1U CN201520886659U CN205139213U CN 205139213 U CN205139213 U CN 205139213U CN 201520886659 U CN201520886659 U CN 201520886659U CN 205139213 U CN205139213 U CN 205139213U
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- ammeter
- voltage
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- boosting
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Abstract
The utility model relates to a prevent power stealing system for district belongs to the power supply system field. Including step -down ammeter, service cable, the ammeter steps up, the input and the municipality ferroelectric phase of step -down ammeter link, and the output of the ammeter that steps up inserts the service cable, the input access service cable of step -down ammeter, output are supplied power for the load, the step -down ammeter is including the total ammeter and the reducing transformer that establish ties, the ammeter that steps up is including the branch ammeter and the step up transformer that establish ties, the input voltage of step -down ammeter is less than the operating voltage of load, the rated voltage that output voltage is the 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. Input at the theftproof ammeter adopts the voltage that is less than load operating voltage, to the damage of equipment in the time of can avoiding the ammeter short circuit, reduces the incidence of the complicated accident of short circuit.
Description
Technical field
The utility model relates to a kind of anti-theft system for community, belongs to electric power system field.
Background technology
Electric energy meter is used to the instrument measuring electric energy, and also known as watt-hour meter, energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.The watt-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 watt-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 electrical equipment and personal safety simultaneously.And high tension transmission can be realized further, improve security 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 anti-theft system for community is provided, can avoid being that this robber's electrical travelling is that the security not only destroying electrical network has carried out hidden danger for personal securing band simultaneously by robber's electrical travelling of the short circuit of ammeter.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 end 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 anti-theft system for community, comprise step-down ammeter, service cable, boosting ammeter; The input end of step-down ammeter is connected with civil power, the output terminal access user cable of boosting ammeter; The input end access user cable of step-down ammeter, output terminal are load supplying; Described step-down ammeter comprises total ammeter and the step-down transformer of series connection, and described boosting ammeter comprises point ammeter and the step-up transformer of series connection; The input voltage of step-down ammeter is the rated voltage of load lower than the operating voltage of load, output voltage.
Further, the input voltage of described step-down ammeter is 110-160v.
Further, described service cable is no longer than 200m.
Further, described antitheft transformer is provided with regulator, this regulator 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, can prevent robber's electrical phenomena of ammeter short circuit, and the security that robber's electrical phenomena not only destroys electrical network carrys out hidden danger for personal securing band simultaneously.The output voltage of its step-down ammeter can not directly act on load supplying.Adopt 110-160v as the input voltage of Theft-proof kilowatt-hour meter
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 being applicable to existing cable, without the need to changing cable, having saved the popularization cost of this device simultaneously.The large area of equipment can be avoided to damage; the injury of this voltage to the person is little; protection that is personal and equipment can be realized, the voltage of this grade simultaneously while antitheft, not need to change existing mounted circuit; 110-160v is adopted to make conveying voltage; can when there is power stealing phenomenon, its load, due to under-voltage and cannot work, protects load do not win overcurrent and burn simultaneously; there is extremely strong security, ensure that personal safety and device security.The service cable length adopted is not more than 200m; Transmission energy consumption can be taken into account little high with transmission security.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, its control system comprises:
Control module, 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 boosting ammeter, step-down ammeter, and boosting ammeter is connected by service cable with step-down ammeter, and step-down ammeter comprises total ammeter and the step-down transformer of series connection, and described boosting ammeter comprises point ammeter and the step-up transformer of series connection; First and second lateral coil turn ratio of step-up transformer and step-down transformer is reciprocal each other; Step-down transformer is used for civil power transformation being the antitheft voltage lower than loaded work piece voltage, and it is the operating voltage of load that step-up transformer is used for antitheft boost in voltage; Be equipped with relay at the output terminal of step-up transformer and step-down transformer, the control end of relay is connected with MCU;
Voltage detection unit, comprises four voltage sensors of first and second side being separately positioned on step-up transformer and step-down transformer; Each voltage sensor is electrically connected with MCU respectively, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprise the boosting pressure regulator be arranged on step-up transformer and the step-down pressure regulator be arranged on step-down transformer, boosting pressure regulator and step-down pressure regulator all realize the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The coil of first and second side of step-up transformer and step-down transformer is respectively provided with the pressure regulation node of some numbers of turn for the access of control transformer coil, and secondary side pressure regulation node is more than primary side pressure regulation node, each pressure regulation node is connected with pressure regulator respectively;
Communication unit, comprises communicator and loudspeaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loudspeaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, solenoid 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 fan blower, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control module 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 realize filling the stably measured originally put, 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 measuring method, 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, its anti-theft method:
(1), be installed in community by step-down ammeter, boosting ammeter is installed in user indoor, and this step-down ammeter is entered civil power;
(2), by regulating the coil ratio of pressure regulation node control step-down transformer place in circuit part; The output voltage of step-down transformer is made to be 110-160v;
(3), by step-down transformer access user cable, after 15s, the fluctuation range of the output voltage of step-down transformer is measured;
(4), the coil ratio of adjustment step-up transformer place in circuit part is the inverse of the coil ratio of step-down transformer place in circuit part;
(5), the fluctuation range that records the output voltage of step-down transformer is when being not more than 7.5%, controls on boosting ammeter access customer cable;
(6), regulate further the coil ratio of step-up transformer place in circuit part, make the output voltage of step-up transformer be 220v ± 3%;
(7), controlling boosting ammeter is load supplying.
Due to said method, carry out the access step by step of electrical equipment, 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 serviceable life of equipment, avoid power network fluctuation scope to increase further simultaneously, strengthen grid stability.Can realize powering safely and fast, and then the security of the equipment of guarantee.Taking into account power supply performance and transmission energy saving two kinds of performances, can also reduce the fluctuation of household voltage, making its fluctuation range be less than 3%, burning voltage and protection consumer be played a positive role safely, can Domestic electrical equipment life be increased in addition.
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 serviceable 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 security of promotion equipment, can implement device effective.
Accompanying drawing explanation
Fig. 1 is the anti-theft system front view for community in the utility model;
Mark: 1-in figure to boost ammeter, 2-step-down ammeter, 3-load, 4-civil power, 5-service cable.
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 anti-theft system for community, comprise step-down ammeter 2, service cable 5, boosting ammeter 1; The input end of step-down ammeter 2 is connected with civil power 4, the output terminal access user cable 5 of boosting ammeter 1; The input end access user cable 5 of step-down ammeter 2, output terminal are that load 3 is powered; Step-down ammeter 2 comprises total ammeter and the step-down transformer of series connection, and boosting ammeter 1 comprises point ammeter and the step-up transformer of series connection; The input voltage of step-down ammeter 2 is the rated voltage of load 3 lower than the operating voltage of load 3, output voltage.
Namely operating voltage can be used for the voltage of the power supply that load normally works, and adopts nonoperating voltage to power and easily cause load 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 rated voltage with load and permission.
The input voltage of step-down ammeter 2 is 110-160v.
Service cable 5 is no longer than 200m.
Antitheft transformer is provided with regulator, and this regulator 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, can prevent robber's electrical phenomena of ammeter short circuit, and the security that robber's electrical phenomena not only destroys electrical network carrys out hidden danger for personal securing band simultaneously.The output voltage of its step-down ammeter 2 can not directly act on load 3 and power.Adopt 110-160v as the input voltage of Theft-proof kilowatt-hour meter, 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 being applicable to existing cable, without the need to changing cable, having saved the popularization cost of this device simultaneously.The large area of equipment can be avoided to damage; the injury of this voltage to the person is little; protection that is personal and equipment can be realized, the voltage of this grade simultaneously while antitheft, not need to change existing mounted circuit; 110-160v is adopted to make conveying voltage; can when there is power stealing phenomenon, its load 3, due to under-voltage and cannot work, protects load 3 do not win overcurrent and burn simultaneously; there is extremely strong security, ensure that personal safety and device security.Service cable 5 length adopted is not more than 200m; Transmission energy consumption can be taken into account little high with transmission security.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.
specific embodiment 2:
According to the electric power system of specific embodiment 1, its control system comprises:
Control module, 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 boosting ammeter 1, step-down ammeter 2, and boosting ammeter 1 is connected by service cable 5 with step-down ammeter 2, and step-down ammeter 2 comprises total ammeter and the step-down transformer of series connection, and described boosting ammeter 1 comprises point ammeter and the step-up transformer of series connection; First and second lateral coil turn ratio of step-up transformer and step-down transformer is reciprocal each other; Step-down transformer is used for civil power 4 transformation being the antitheft voltage lower than load 3 operating voltage, the operating voltage of step-up transformer for by antitheft boost in voltage being load 3; Be equipped with relay at the output terminal of step-up transformer and step-down transformer, the control end of relay is connected with MCU;
Voltage detection unit, comprises four voltage sensors of first and second side being separately positioned on step-up transformer and step-down transformer; Each voltage sensor is electrically connected with MCU respectively, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprise the boosting pressure regulator be arranged on step-up transformer and the step-down pressure regulator be arranged on step-down transformer, boosting pressure regulator and step-down pressure regulator all realize the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The coil of first and second side of step-up transformer and step-down transformer is respectively provided with the pressure regulation node of some numbers of turn for the access of control transformer coil, and secondary side pressure regulation node is more than primary side pressure regulation node, each pressure regulation node is connected with pressure regulator respectively;
Communication unit, comprises communicator and loudspeaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loudspeaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, solenoid 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 fan blower, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control module 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 realize filling the stably measured originally put, 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 measuring method, 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:
According to the control system of embodiment 1 electric power system or embodiment 2, its anti-theft method:
(1), be installed in community by step-down ammeter 2, boosting ammeter 1 is installed in user indoor, and this step-down ammeter 2 is accessed civil power 4;
(2), by regulating the coil ratio of pressure regulation node control step-down transformer place in circuit part; The output voltage of step-down transformer is made to be 110-160v;
(3), by after step-down transformer access user cable 5,15s, the fluctuation range of the output voltage of step-down transformer is measured;
(4), the coil ratio of adjustment step-up transformer place in circuit part is the inverse of the coil ratio of step-down transformer place in circuit part;
(5), the fluctuation range that records the output voltage of step-down transformer is when being not more than 7.5%, controls on boosting ammeter 1 access user cable 5;
(6), regulate further the coil ratio of step-up transformer place in circuit part, make the output voltage of step-up transformer be 220v ± 3%;
(7), control boosting ammeter 1 to power for load 3.
Due to said method, carry out the access step by step of electrical equipment, 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 serviceable life of equipment, avoid power network fluctuation scope to increase further simultaneously, strengthen grid stability.Can realize powering safely and fast, and then the security of the equipment of guarantee.Taking into account power supply performance and transmission energy saving two kinds of performances, can also reduce the fluctuation of household voltage, making its fluctuation range be less than 3%, burning voltage and protection consumer be played a positive role safely, can Domestic electrical equipment life be increased in addition.
The number of degrees that summary table can also be adopted to obtain and the number of degrees of some submeters and calculating, can obtain whether there is power stealing phenomenon easily on service cable.
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 domain of the present utility model.
Claims (4)
1. for an anti-theft system for community, it is characterized in that, comprise step-down ammeter, service cable, boosting ammeter; The input end of step-down ammeter is connected with civil power, the output terminal access user cable of boosting ammeter; The input end access user cable of step-down ammeter, output terminal are load supplying; Described step-down ammeter comprises total ammeter and the step-down transformer of series connection, and described boosting ammeter comprises point ammeter and the step-up transformer of series connection; The input voltage of step-down ammeter is the rated voltage of load lower than the operating voltage of load, output voltage.
2. the anti-theft system for community according to claim 1, is characterized in that, the input voltage of described step-down ammeter is 110-160v.
3. the anti-theft system for community according to claim 2, it is characterized in that, described service cable is no longer than 200m.
4. the anti-theft system for community according to any one of claim 1-3, it is characterized in that, its control system comprises:
Control module, 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 boosting ammeter, step-down ammeter, and boosting ammeter is connected by service cable with step-down ammeter, and step-down ammeter comprises total ammeter and the step-down transformer of series connection, and described boosting ammeter comprises point ammeter and the step-up transformer of series connection; First and second lateral coil turn ratio of step-up transformer and step-down transformer is reciprocal each other; Step-down transformer is used for civil power transformation being the antitheft voltage lower than loaded work piece voltage, and it is the operating voltage of load that step-up transformer is used for antitheft boost in voltage; Be equipped with relay at the output terminal of step-up transformer and step-down transformer, the control end of relay is connected with MCU;
Voltage detection unit, comprises four voltage sensors of first and second side being separately positioned on step-up transformer and step-down transformer; Each voltage sensor is electrically connected with MCU respectively, so that MCU gathers the voltage of transformer both sides;
Pressure regulation unit, comprise the boosting pressure regulator be arranged on step-up transformer and the step-down pressure regulator be arranged on step-down transformer, boosting pressure regulator and step-down pressure regulator all realize the adjustment of output voltage by the turn ratio of the coil regulating this transformer place in circuit part; The coil of first and second side of step-up transformer and step-down transformer is respectively provided with the pressure regulation node of some numbers of turn for the access of control transformer coil, and secondary side pressure regulation node is more than primary side pressure regulation node, each pressure regulation node is connected with pressure regulator respectively;
Communication unit, comprises communicator and loudspeaker, and communicator is used for the mobile terminal being sent information to binding by grid service device; Loudspeaker controls sounding by MCU;
Expelling parasite unit, comprises insect expelling device, and insect expelling device comprises expelling parasite tank, solenoid 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 fan blower, and air blast function is blown into the speed of 20-25m/s the column air-flow that radius is 5mm;
Control module 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 |
|---|---|---|---|
| CN201520886659.1U CN205139213U (en) | 2015-11-10 | 2015-11-10 | A prevent power stealing system for district |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520886659.1U CN205139213U (en) | 2015-11-10 | 2015-11-10 | A prevent power stealing system for district |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139213U true CN205139213U (en) | 2016-04-06 |
Family
ID=55624993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520886659.1U Expired - Fee Related CN205139213U (en) | 2015-11-10 | 2015-11-10 | A prevent power stealing system for district |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205139213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319421A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | District anti-electricity stealing system |
-
2015
- 2015-11-10 CN CN201520886659.1U patent/CN205139213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319421A (en) * | 2015-11-10 | 2016-02-10 | 成都九十度工业产品设计有限公司 | District anti-electricity stealing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161110 |