CN102332701A - Safety intelligent leakage protector and control method thereof - Google Patents
Safety intelligent leakage protector and control method thereof Download PDFInfo
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- CN102332701A CN102332701A CN201110272651A CN201110272651A CN102332701A CN 102332701 A CN102332701 A CN 102332701A CN 201110272651 A CN201110272651 A CN 201110272651A CN 201110272651 A CN201110272651 A CN 201110272651A CN 102332701 A CN102332701 A CN 102332701A
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Abstract
The invention relates to a safety intelligent leakage protector which comprises a control panel, wherein a wire inlet interface and a wire outlet interface are arranged at the end part of the control panel; a zero sequence transducer, a shunt releaser, an operating mechanism and a control unit are arranged in the control panel; an external sensor connector is also arranged in the control panel and is used for connecting an external sensor and transmitting a sensing signal of the external sensor; a recognition unit is connected to the external sensor connector and is used for recognizing the sensing signal transmitted from the external sensor connector and then sending a recognized signal to the control unit; a power supply module comprises a transformer; a high-voltage end of the transformer is connected to the wire inlet interface; a low-voltage end of the transformer is respectively connected to the control unit and the recognition unit; and a TVS (Transient Voltage Suppressors) tube is in parallel connection at the low-voltage end. The leakage protector is a safety intelligent leakage protector which is used for solving the technical problem that a breaker of the prior art cannot settle the cases such as smog, fire, thunder and lightning, and the like.
Description
Technical field
The present invention relates to a kind of broken circuit protecting equipment, specifically a kind of safe electric leakage intellective protector.
Background technology
Broken circuit protecting equipment is meant to close and closes, carries and cut-off the electric current under the normal loop condition, and can close the switching device that closes, in official hour, carries and cut-off the electric current under the unusual loop condition (comprising short circuit condition).In common circuit; Generally all there is leakage current; Do not having fault to apply under the voltage condition, electric between the metal parts of mutually insulated, or between charged part and the ground connection part; Be called leakage current through its surrounding medium or the formed electric current of insulating surface, also be called leakage current.Leakage current is excessive, has not only reduced the efficient of electric energy, also can cause danger to external environment condition, causes the generation of electric shock accidents easily, and therefore the monitoring to leakage current is very necessary.RCCB is meant the switch of ability auto-action when leakage current surpasses predetermined value in the circuit, and it can detect the leakage current in the circuit, and moves according to the size of leakage current, thereby guarantees the safety of whole circuit.
As disclosing a kind of intelligent breaker among the Chinese patent document CN201117610Y; Comprise CPU CPU and connected ZCT, shunt release, motor reclosing, reclosing judging unit; Also comprise current transformer, communication unit, display unit, memory cell, clock unit, key-press input unit, each cell arrangement is connected with respective pins on the CPU CPU.In this technical scheme, said circuit breaker can be to monitoring in real time such as line load operational factor such as voltage, electric current, leakage current, storage, analyze, show.When occurring the too high fortuitous events such as (fire) of smog, temperature in the environment for use of electric equipment and circuit, should open-circuit line, closing device, reduce the disaster risk as far as possible.But in this technical scheme, when occurring fortuitous event such as smog, fire in the environment for use of circuit breaker, circuit breaker can't be carried out off action and protect whole circuit and relevant device wherein, can't tackle these disaster scenarios.In addition; Hazard weathers such as thunder and lightning also can impact circuit breaker, and when running into special circumstances such as thunder and lightning, the voltage on the circuit can produce fluctuation; Voltage instantaneous raises; The voltage that CPU can bear is limited, and voltage is instantaneous too highly possibly to cause the setting of CPU cisco unity malfunction to be burnt, and makes circuit breaker normally to move.
Summary of the invention
For this reason, technical problem to be solved by this invention is that circuit breaker can't be tackled disaster scenarios such as smog, fire, thunder and lightning in the prior art, thereby proposes a kind of safety electric leakage intellective protector that can tackle disaster scenarios such as smog, fire, thunder and lightning.
For solving the problems of the technologies described above; A kind of safe electric leakage intellective protector; Comprise control panel; The end of said control panel is provided with the inlet wire interface and goes out line interface, is useful on the operating mechanism of the ZCT of detection line leakage current, the shunt release of carrying out the dropout action, the circuit that can break off or close and the control unit of control shunt release action in the set inside of said control panel, also is provided with:
The external sensor joint is used to connect external sensor, transmits the induced signal of said external sensor;
Recognition unit is connected with said external sensor joint, and the induced signal that said external sensor joint transmission comes is discerned, and the signal after the identification is sent to said control unit;
Power module comprises a transformer, and the high-pressure side of said transformer is connected with said inlet wire interface, and the low-pressure end of said transformer is connected with recognition unit with said control unit respectively, and said low-pressure end parallel connection is provided with the TVS pipe.
Said recognition unit comprises DBM and matching module; Store the characteristic information and the corresponding class thereof of induced signal in the said DBM in advance; Said matching module receives the induced signal that said external sensor joint transmission comes; Mate with the information in the said DBM, draw the type of said induced signal, and the size of said type and said induced signal is sent to said control unit.
Said external sensor joint is provided with 2-10.
Said external sensor is Smoke Sensor or temperature sensor.
The characteristic information of the induced signal of storing in advance in the said recognition unit is the shape information of induced signal.
With the parallelly connected electric capacity that is provided with of said TVS pipe, be provided with voltage-stabiliser tube with said TVS pipe and said capacitances in series.
Said control panel is provided with the leakage current display unit, and said leakage current display unit is a LCDs.
A kind of control method of safe electric leakage intellective protector comprises the steps:
(1) with said inlet wire interface, go out in the line interface line attachment; Through the operating mechanism circuit that closes; The transformer of said power module is transformed into said control unit, the required low tension of recognition unit with the high-tension electricity in the circuit; And being its power supply, the size of the leakage current in the said ZCT detection line sends detected information to said control unit;
(2) when the voltage instantaneous in the circuit increases; The voltage that increases in the circuit is through the after-applied low-pressure end to said transformer of said transformer step-down; The two ends of said TVS pipe absorb the high-energy of moment; Keep the voltage at two ends stable, the voltage of said control unit, said recognition unit is remained unchanged
(3) connect external sensor through said external sensor joint, send the induced signal of said external sensor to said recognition unit, the information after said recognition unit will be discerned sends to said control unit;
(4) said control unit is given said shunt release according to the information sending controling instruction after discerning, and makes said shunt release move.
In said step (2), manage with the electric capacity of the parallelly connected setting of said TVS pipe with said TVS and the voltage-stabiliser tube of said capacitances in series setting carries out filtering and voltage stabilizing to the low-pressure end of said transformer.
In said step (3); Matching module in the said recognition unit matees canned data in said induced signal and the said DBM; Obtain the type of said induced signal, said then recognition unit sends to said control unit with the type of said induced signal and the size of said induced signal; In said step (4); Be provided with the type and the corresponding threshold information of said induced signal in the said control unit in advance; Said control unit will transmit the type and size of the said induced signal that comes and compare with the corresponding threshold that is provided with in advance; When surpassing said threshold value, said control unit sending controling instruction is given said shunt release, and said shunt release action makes circuit break off.
Technique scheme of the present invention is compared prior art and is had the following advantages,
(1) safe electric leakage intellective protector of the present invention and its control method; Comprise control panel, ZCT, shunt release, operating mechanism and control unit, also comprise external sensor joint and recognition unit, be used to discern outside ambient signal; Also be provided with transformer in the said control panel; The high-pressure side of said transformer is connected with said inlet wire interface, and low-pressure end is connected with recognition unit with the said control unit of difference, and said low-pressure end parallel connection is provided with TVS (being Transient Voltage Suppressor) pipe; Said external sensor joint respectively be arranged on power utilization environment in the external sensor that plays the environmental monitoring effect be connected; When external sensor monitors the variation of external environment condition parameter, induced signal is transferred to said recognition unit through said external sensor joint, be transferred to said control unit after the recognition unit identification; Need to judge whether open-circuit line by said control unit; And control the action of said shunt release, thereby when externally emergency case or security incident appearred in environment, said electric leakage intellective protector can open-circuit line; When situation such as running into thunder and lightning causes the instantaneous increase of voltage on the circuit; Because the high-pressure side (like 220V) of transformer is connected with circuit; Alleviate to some extent through the voltage amplification on low-pressure end after the step-down; Again through after the inhibition of TVS pipe and the voltage stabilizing, can remain unchanged basically at the voltage (like 12V) of low-pressure end, effectively avoided fortuitous events such as thunder and lightning to cause the line voltage distribution rising and influence that control unit and recognition unit etc. is caused.Like this, said electric leakage intellective protector can carry out handled to the emergency case of external environment condition, has improved its security performance.
(2) safe electric leakage intellective protector of the present invention; Said recognition unit comprises DBM and matching module; Store the characteristic information and the corresponding class thereof of induced signal in the said DBM in advance; Said matching module receives the induced signal that said external sensor joint transmission comes, and matees with the information in the said DBM, draws the type of said induced signal; Can well discern the signal that said external sensor transmission comes, be convenient to control whole circuit.
(3) safe electric leakage intellective protector of the present invention; Said external sensor joint is provided with 2-10; External sensor is Smoke Sensor or temperature sensor, according to the needs of circuit the external sensor and the external sensor joint of required number is set, thereby environment is carried out whole detection; In time control, promote the security performance of whole circuit.
(4) safe electric leakage intellective protector of the present invention; The characteristic information of the induced signal of storing in advance in the said recognition unit is the shape information of induced signal; Because the shape information of unlike signal is different; Like sine wave, square wave etc., discern different induced signals according to different shape informations like this, extract that characteristic is all simple and convenient with identification, recognition efficiency and precision be higher.
(5) safe electric leakage intellective protector of the present invention; With the parallelly connected electric capacity that is provided with of said TVS pipe; Be provided with voltage-stabiliser tube with said TVS pipe with said capacitances in series, further improve the voltage stabilizing and the effect of filtering of the low-pressure end of transformer, the voltage of assurance recognition unit and control unit is stablized.
(6) safe electric leakage intellective protector of the present invention, said control panel is provided with the leakage current display unit, can show in real time the detected electric current of said ZCT, is convenient to observation.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the structured flowchart of safe electric leakage intellective protector of the present invention;
Fig. 2 is the circuit diagram of the power module of safe electric leakage intellective protector of the present invention;
Fig. 3 is the circuit diagram of another embodiment of the power module of safe electric leakage intellective protector of the present invention;
Fig. 4 is the structured flowchart of another embodiment of safe electric leakage intellective protector of the present invention;
Fig. 5 is the structural representation block diagram of safe electric leakage intellective protector of the present invention.
Reference numeral is expressed as among the figure: the 1-transformer, and the 2-TVS pipe, 3-electric capacity, the 4-voltage-stabiliser tube, the 11-control panel, 12-inlet wire interface, 13-goes out line interface, 14-operating grip, 15-leakage current display unit, 16-external sensor joint.
Embodiment
Provide the concrete execution mode of safe electric leakage intellective protector of the present invention below.
Embodiment 1:
A kind of safe electric leakage intellective protector; Like Fig. 1, shown in Figure 5; Be provided with inlet wire interface 12 and go out line interface 13, the major loop of said inlet wire and outlet is provided with the ZCT that is used for the detection line leakage current, said inlet wire interface 12 and go out the two ends that line interface 13 is arranged on control panel 11; Said ZCT is arranged on said control panel 11 inside; Also be provided with the operating mechanism of the shunt release of carrying out the dropout action, the circuit that can break off or close and the control unit of control shunt release action in said control panel 11 inside, the operating grip 14 of said operating mechanism stretches out outside the said control panel 11, can be used for manually and last or open-circuit line; Said operating grip 14 also can be set to button or switch form; One side of said control panel 11 also is provided with external sensor joint 16, is used to connect external sensor, transmits the induced signal of said external sensor; Be connected with recognition unit with said external sensor joint 16, the induced signal that said external sensor joint 16 transmission come is discerned, the signal after the identification is sent to said control unit.In addition, also be provided with a power module, comprise a transformer 1; The high-pressure side of said transformer 1 is connected with said inlet wire interface 12; The low-pressure end of said transformer 1 is connected with recognition unit with said control unit respectively, and said low-pressure end parallel connection is provided with TVS pipe 2, and it is a kind of new product that on voltage-stabiliser tube technology basis, grows up that TVS pipe (TRANSIENT VOLTAGE SUPPRESSOR) or title transient voltage suppress diode; When the high energy impact events of moment is stood at TVS pipe two ends; It can reduce its impedance with high speed (be up to 1*10-12 second) suddenly, absorbs a big electric current simultaneously, with the voltage clamp between its two ends on a predetermined numerical value; Thereby the circuit element of guaranteeing the back is avoided the high-octane impact of transient state and damaged, and is as shown in Figure 2.
The control method of the described safe electric leakage intellective protector of present embodiment is following:
(1) with said inlet wire interface 12, go out in line interface 13 line attachments; Through the operating grip 14 that is arranged on the operating mechanism on the control panel 11 circuit that closes; The transformer 1 of said power module is transformed into said control unit, the required low tension of recognition unit with the high-tension electricity in the circuit; And being its power supply, the size of the leakage current in the said ZCT detection line sends detected information to said control unit;
(2) when the voltage instantaneous in the circuit increases; The voltage that increases in the circuit is through the after-applied low-pressure end to said transformer 1 of said transformer 1 step-down; The two ends of said TVS voltage-stabiliser tube 4 absorb the high-energy of moment; Keep the voltage at two ends stable, the voltage of said control unit, said recognition unit is remained unchanged;
(3) connect external sensor through said external sensor joint 16; Send the induced signal of said external sensor to said recognition unit; Information after said recognition unit will be discerned sends to said control unit; Said recognition unit can be taked in the prior art recognition technology often used, like infrared induction identification etc.;
(4) said control unit is given said shunt release according to the information sending controling instruction after discerning, and makes said shunt release move.
In said process, can pass through the operating grip 14 manual open-circuit lines of said operating mechanism as required.In the present embodiment; The number of said external sensor and kind can be selected according to the variable of the required detection of external environment condition; Select temperature sensor and Smoke Sensor at this; Detect the temperature and the smoke signal of external environment condition, when too high or smog surpassed finite concentration when temperature, said control unit was controlled said shunt release action.
Embodiment 2:
On the basis of the foregoing description, in order further to improve the stability of said recognition unit, control unit voltage, manage the 2 parallelly connected electric capacity 3 that are provided with said TVS, connecting with said electric capacity 3 with said TVS pipe 2 is provided with voltage-stabiliser tube 4, as shown in Figure 3; For the ease of the leakage current information of real-time detection line, said control panel 11 is provided with leakage current display unit 15, and said leakage current display unit is a LCDs, like Fig. 4, shown in Figure 5; At this; Said RM adopts pattern matching mode; In said recognition unit, said recognition unit comprises DBM and matching module, stores the characteristic information (selecting the shape information of signal for use at this) and the corresponding class thereof of induced signal in the said DBM in advance; Said matching module receives the induced signal that said external sensor joint 16 transmission come; Mate with the information in the said DBM, draw the type of said induced signal, and the size of said type and said induced signal is sent to said control unit.
The control method of the described safe electric leakage intellective protector of present embodiment is following:
(1) with said inlet wire interface 12, go out in line interface 13 line attachments; Through the operating grip 14 that is arranged on the operating mechanism on the control panel 11 circuit that closes; The transformer 1 of said power module is transformed into said control unit, the required low tension of recognition unit with the high-tension electricity in the circuit, and is its power supply, the size of the leakage current in the said ZCT detection line; Send detected information to said control unit, and on said leakage current display unit 15, show in real time;
(2) when the voltage instantaneous in the circuit increases; The voltage that increases in the circuit is through the after-applied low-pressure end to said transformer 1 of said transformer 1 step-down; The two ends of said TVS voltage-stabiliser tube 4 absorb the high-energy of moment; Keep the voltage at two ends stable, the voltage of said control unit, said recognition unit is remained unchanged
(3) connect external temperature sensor and Smoke Sensor through said external sensor joint 16; Send the induced signal of said external sensor to said recognition unit; Matching module in the said recognition unit matees canned data in said induced signal and the said DBM; The type that obtains said induced signal is smoke signal or temperature signal, and said then recognition unit sends to said control unit with the type of said induced signal and the size of said induced signal;
(4) be provided with the threshold value of smoke signal and the threshold value of temperature signal in the said control unit in advance; Said control unit will transmit the type and size of the said induced signal that comes and compare with the corresponding threshold that is provided with in advance; When the temperature signal of sensing surpasses the threshold value of said temperature signal or the said smoke signal sensed when surpassing the threshold value of said smoke signal; Said control unit sending controling instruction is given said shunt release, and said shunt release action makes circuit break off.
Through above-mentioned execution mode; Said electric leakage intellective protector can detection at any time external environment condition variable; Handle to emergency case, when running into the circuit momentary fluctuation, also can the retentive control unit, the voltage of recognition unit is stable; Thereby guaranteed electric leakage intellective protector operate as normal, improved the security performance of circuit.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to execution mode.To those of ordinary skill in the art, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (10)
1. the electric leakage intellective protector of a safety; Comprise control panel; The end of said control panel is provided with the inlet wire interface and goes out line interface; Be useful on the control unit that the ZCT of detection line leakage current, the operating mechanism of carrying out the thread off shunt release of action, the circuit that can break off or close and control shunt release move in the set inside of said control panel, it is characterized in that, also be provided with:
The external sensor joint is used to connect external sensor, transmits the induced signal of said external sensor;
Recognition unit is connected with said external sensor joint, and the induced signal that said external sensor joint transmission comes is discerned, and the signal after the identification is sent to said control unit;
Power module comprises a transformer, and the high-pressure side of said transformer is connected with said inlet wire interface, and the low-pressure end of said transformer is connected with said recognition unit with said control unit respectively, and said low-pressure end parallel connection is provided with the TVS pipe.
2. safe electric leakage intellective protector according to claim 1; It is characterized in that: said recognition unit comprises DBM and matching module; Store the characteristic information and the corresponding class thereof of induced signal in the said DBM in advance; Said matching module receives the induced signal that said external sensor joint transmission comes; Mate with the information in the said DBM, draw the type of said induced signal, and the size of said type and said induced signal is sent to said control unit.
3. safe electric leakage intellective protector according to claim 1 and 2 is characterized in that: said external sensor joint is provided with 2-10.
4. safe electric leakage intellective protector according to claim 3 is characterized in that: said external sensor is Smoke Sensor or temperature sensor.
5. according to claim 2 or 4 described safe electric leakage intellective protectors, it is characterized in that: the characteristic information of the induced signal of storing in advance in the said recognition unit is the shape information of induced signal.
6. according to each described safe electric leakage intellective protector among the claim 1-5, it is characterized in that:, be provided with voltage-stabiliser tube with said TVS pipe and said capacitances in series with the parallelly connected electric capacity that is provided with of said TVS pipe.
7. according to each described safe electric leakage intellective protector among the claim 1-6, it is characterized in that: said control panel is provided with the leakage current display unit, and said leakage current display unit is a LCDs.
8. the control method of each described safe electric leakage intellective protector among the claim 1-7 is characterized in that, comprises the steps:
(1) with said inlet wire interface, go out in the line interface line attachment; Through the operating mechanism circuit that closes; The transformer of said power module is transformed into said control unit and the required low tension of said recognition unit with the high-tension electricity in the circuit; And being its power supply, the size of the leakage current in the said ZCT detection line sends detected information to said control unit;
(2) when the voltage instantaneous in the circuit increases; The voltage that increases in the circuit is through the after-applied low-pressure end to said transformer of said transformer step-down; The two ends of said TVS pipe absorb the high-energy of moment; Keep the voltage at two ends stable, the voltage of said control unit, said recognition unit is remained unchanged
(3) connect external sensor through said external sensor joint, send the induced signal of said external sensor to said recognition unit, the information after said recognition unit will be discerned sends to said control unit;
(4) said control unit is given said shunt release according to the information sending controling instruction after discerning, and makes said shunt release move.
9. the control method of safe electric leakage intellective protector according to claim 8; It is characterized in that: in said step (2), manage with the electric capacity of the parallelly connected setting of said TVS pipe with said TVS and the voltage-stabiliser tube of said capacitances in series setting carries out filtering and voltage stabilizing to the low-pressure end of said transformer.
10. according to Claim 8 or the control method of 9 described safe electric leakage intellective protectors; It is characterized in that: in said step (3); Matching module in the said recognition unit matees canned data in said induced signal and the said DBM; Obtain the type of said induced signal, said then recognition unit sends to said control unit with the type of said induced signal and the size of said induced signal; In said step (4); Be provided with the type and the corresponding threshold information of said induced signal in the said control unit in advance; Said control unit will transmit the type and size of the said induced signal that comes and compare with the corresponding threshold that is provided with in advance; When surpassing said threshold value, said control unit sending controling instruction is given said shunt release, and said shunt release action makes circuit break off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110272651.2A CN102332701B (en) | 2011-09-15 | 2011-09-15 | Safety intelligent leakage protector and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110272651.2A CN102332701B (en) | 2011-09-15 | 2011-09-15 | Safety intelligent leakage protector and control method thereof |
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| Publication Number | Publication Date |
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| CN102332701A true CN102332701A (en) | 2012-01-25 |
| CN102332701B CN102332701B (en) | 2014-04-09 |
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| CN201110272651.2A Expired - Fee Related CN102332701B (en) | 2011-09-15 | 2011-09-15 | Safety intelligent leakage protector and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983022A (en) * | 2018-06-26 | 2018-12-11 | 复兴消防科技有限公司 | A kind of novel household detection anti-creeper |
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| KR100899788B1 (en) * | 2006-08-23 | 2009-05-28 | 건양대학교산학협력단 | Restorative AC power system of remote control type |
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Effective date of registration: 20160414 Address after: 528000, Guangdong, Foshan Province Nanhai District lion Town Village Street North Village Industrial Zone, Patentee after: Foshan Kaili Electric Co., Ltd. Address before: 528006, 1 village, North Village, South Village, Nanhai village, Nanhai District, Guangdong, Foshan Patentee before: Fan Song |
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