CN2912061Y - Anti-shock safety device - Google Patents
Anti-shock safety device Download PDFInfo
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- CN2912061Y CN2912061Y CN 200520133983 CN200520133983U CN2912061Y CN 2912061 Y CN2912061 Y CN 2912061Y CN 200520133983 CN200520133983 CN 200520133983 CN 200520133983 U CN200520133983 U CN 200520133983U CN 2912061 Y CN2912061 Y CN 2912061Y
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- electric shock
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Abstract
The utility model relates to ''anti-electric shock protector'', belonging to multicomponent composite automatic control circuit technology, which comprises a dynamic impedor, a phase line to a ground current test circuit, a rectification circuit, a zero line to a ground signal output circuit, a zero line to a ground test circuit, a timing trip circuit, a light alarm circuit, an audible alarm circuit and an overvoltage lightning arrester element etc; the utility model is characterized in that: when a person stands on wet ground with bare feet, and contacts a low voltage power grid, a high voltage power grid, an injury and death accident will not occur, fire accident will not occur when a power grid is shorted to the ground; power failure accident will not occur, so as to facilitate power-on repair, ensuring normal power supply of the power grid. When the phase line or the zero line is grounded; the anti-electric shock protector will give notice in language, light caution, notify electrical working personnel to deal with the fault rapidly on site, if the fault is not treated within certain time, the anti-electric shock protector will command to cut off the power supply.
Description
Technical field
The utility model: be multicomponent combination automatic control circuit technology, it relates to the safeguard protection of power network circuit, and it can prevent personal electric shock injures and deaths and power network fire incident that single-phase shorted to earth causes, and it provides guarantee for safe power supply..
Technical background:
Electricity invention 100 for many years, and is electric for Human's production, life bring great convenience, and promoted world industry revolution for the second time.But undeniablely be, can bring very big harm to human life's property if use or protect improperly.The people stands on the ground, can cause casualty accident when touching low voltage electric network and high-voltage fence.The fire damage that the circuit single-phase short circuit is caused is also very surprising, causes people's psychology that electricity is had great frightened sensation, looks electricity and is electric-tiger, and tiger must not touch.Therefore people have used a lot of methods to manage, and strive safety utilization of electric power, but effect are still not very good.For example; In 380 volts/220 volts electrical networks, use existing electric leakage protector just can not produce a desired effect fully.The operation principle of electric leakage protector is meant electrical network in case leak electricity, and it trips to cut off the electricity supply with regard to command switch and protects personal safety.Sometimes not that the people gets an electric shock, but the blowing and raining branch is run into electric wire or other reason grid power leakage, electric leakage protector is understood the command switch tripping operation equally, cause many mistrip accidents, have a strong impact on industrial and agricultural production and national defense construction electricity consumption, the electrician often meets at dead of night under the pitch-dark situation of blowing and raining and goes to send to the switchgear house far away of leaving home, sometimes the electrician send behind the electricity on the way home, the leakage tripping phenomenon takes place again electrical network repeats repeatedly, so the electrician is fed up with to electric leakage protector, do not want to use, sometimes the leakage switch that installs has all been cancelled, the result often causes the accident of getting an electric shock and dying.Particularly this situation is more in the rural area.
Summary of the invention
The purpose of this utility model provides " the protection against electric shock protector " technology uses in electrical network: people or other animal stand in and touch low voltage electric network on the wetland and high-voltage fence casualty accident can not take place! The single-phase metallic short circuit over the ground of electrical network could be avoided fire incident! The electrical network single-phase earthing can not cause electric network from collapsing, can guarantee normal power supply.
It comprises that impedor 11, current detection circuit 12, rectification circuit 13, zero line fall on the ground signal output apparatus 14, zero line falls on the ground testing circuit 15, timing trip circuit 17, light warning circuit 18 and sound warning circuit 19, lightning arrester 21.
Described rectification circuit 13 be one for the other parts circuit provides the rectification circuit of dc power supply, any one in its ac input end and electrical network a, b, the c three-phase is connected mutually; Output is a dc power supply. and power supply source is connected with feeder ear (12) (14). and power supply ground is connected with power supply ground.
Described impedor 11 is connected between power network wiring end and the electrical network ground wire; When transformer or generator secondary side adopted star connection, described power network wiring end was a neutral point. and when transformer or generator secondary side adopted delta connection, described power network wiring end was the phase line leading-out terminal. and it is made up of impedor 11 inductance L internal resistance R,
Described current detection circuit 12 is current-sensing circuits; Two inputs of this current detection circuit 12 and the current circuit of described impedor 11 constitute induction and detect the loop, output in two outputs with exchange or dc power supply terminal is connected; Another output is connected with described timing trip circuit 17, light warning circuit 18 and the power supply side of sound warning circuit 19, constitutes first power supply side;
It is induction by current testing circuits that described zero line falls on the ground testing circuit 15; Two inputs that this zero line falls on the ground testing circuit 15 are connected with ground wire with the electrical network zero line respectively, and its output constitutes zero line and falls on the ground alarm signal output ends;
The input that described zero line falls on the ground signal output apparatus 14 is connected with the output that described zero line falls on the ground testing circuit 15, output that this zero line falls on the ground signal output apparatus 14 with exchange or dc power supply terminal is connected, another output is connected with described timing trip circuit 17, light warning circuit 18 and the power supply side of sound warning circuit 19, constitutes the second source feeder ear;
Described timing trip circuit 17 is made of a time relay, and this time relay is serially connected between the power supply side and power supply ground of described timing trip circuit 17, and two outputs are connected on electrical network trip switch loop; After receiving alarm signal, this timing trip circuit 17 regularly trips at official hour, cuts off mains supply.
Described light warning circuit 18 is the light Display and Alarm Circuit that are made of two luminescent devices, first luminescent device of this light warning circuit 18 is connected between first power supply side and power supply ground of described current detection circuit 12, constitutes that live wire falls on the ground or the light warning circuit when getting an electric shock; Second luminescent device of this light warning circuit 18 is connected on described zero line and falls on the ground and constitute zero line between the second source feeder ear of signal output apparatus 14 and the power supply ground and fall on the ground the light warning circuit;
Described audible alarm circuit 19 is made of a microphone device, and this microphone device is connected between the power supply side and power supply ground of audible alarm circuit 19, the alarm signal of sounding during energising.
It is that the two ends that are connected in impedor 11 in parallel are that the power network wiring end is between zero line side or phase line end and the electrical network ground wire for a described lightning arrester 21; when power network. transformer neutral point. when zero line meets thunder and lightning or overvoltage. lightning arrester 21 can be protected impedor 11 and other power equipment, and it can introduce the earth elimination to thunder and lightning or overvoltage.
When transformer or generator secondary side employing star connection, protection against electric shock protector of the present utility model is serially connected between the neutral point and electrical network ground wire of described power network wiring end; If people (or other animal) stands in when touching low pressure, high pressure, electrical network phase line in ground, the water, the electric current of electrical network flows through human body, inflow the earth, process earth connection, flows into the impedor 11 of protection against electric shock protector, get back to the zero line neutral point and constitute the closed-loop path, the motional impedance device is just finished the consumption of regulating loop voltage and phase line direct-to-ground capacitance automatically in the moment of switching on, making human or animal's voltage on one's body is safe voltage, has guaranteed life security! If zero line falls on the ground; Zero line and ground wire closure make the zero line of protection against electric shock protector fall on the ground testing circuit 15 and produce zero lines and fall on the ground detection signal, and two outlet internal closures that the electric current zero line falls on the ground signal output apparatus 14 are powered the second source feeder ear immediately; On the other hand, landing impedor when phase line current detection circuit 12 is sent signal. current detection circuit 12 powers closed first power supply side of two outlet internal because its input has signal to pass through immediately.More than two kinds of situations trip circuit 17, light warning circuit 18 and sound warning circuit 19 are started working.
When transformer or generator secondary side employing delta connection, with of the present utility model " and the protection against electric shock protector " being connected between electrical network phase line and the electrical network ground wire, removing zero line and fall on the ground signal. other course of work is identical with star connection warning operation principle.
It is therefore, of the present utility model by using that " the protection against electric shock protector " can prevent the generation of electric shock accidents effectively, safeguard power grid security simultaneously.
Description of drawings
Fig. 1 is the utility model circuit theory composition;
Fig. 2 is used for the star connection schematic diagram for the utility model;
Fig. 3 is used for the delta connection schematic diagram for the utility model.
Embodiment
As shown in Figure 1, it comprises that impedor 11, current detection circuit 12, rectification circuit 13, zero line fall on the ground signal output apparatus 14, zero line falls on the ground testing circuit 15, timing trip circuit 17, light warning circuit 18 and sound warning circuit 19, lightning arrester 21.
Described rectification circuit 13 be one for the other parts circuit provides the rectification circuit of dc power supply, any one in its ac input end and electrical network a, b, the c three-phase is connected mutually; Output is a direct current. and power supply source is connected with feeder ear (12) (14). and power supply ground is connected with power supply ground.
Described impedor 11 is to be connected between power network wiring end and the electrical network ground terminal, and when transformer or generator secondary side employing star connection, described power network wiring end is a neutral point; When transformer or generator secondary side employing delta connection, described power network wiring end is the phase line leading-out terminal; It is made up of impedor 11 inductance L internal resistance R,
Described current detection circuit 12 is current-sensing circuits; Two inputs of this current detection circuit 12 and the current circuit of described impedor 11 constitute induction and detect the loop, output in two outputs with exchange or dc power supply terminal is connected; Another output is connected with described timing trip circuit 17, light warning circuit 18 and the power supply side of sound warning circuit 19, constitutes first power supply side;
It is induction by current testing circuits that described zero line falls on the ground testing circuit 15; Two inputs that this zero line falls on the ground testing circuit 15 are connected with ground wire with the electrical network zero line respectively, and its output constitutes zero line and falls on the ground alarm signal output ends;
The input that described zero line falls on the ground signal output apparatus 14 is connected with the output that described zero line falls on the ground testing circuit 15, output that this zero line falls on the ground signal output apparatus 14 with exchange or dc power supply terminal is connected, another output is connected with described timing trip circuit 17, light warning circuit 18 and the power supply side of sound warning circuit 19, constitutes the second source feeder ear;
Described timing trip circuit 17 is made of a time relay, and this time relay is serially connected between the power supply side and power supply ground of described timing trip circuit 17, and two outputs are connected on electrical network trip switch loop; After receiving alarm signal, this timing trip circuit 17 regularly trips at official hour, cuts off mains supply.
The light Display and Alarm Circuit that described light warning circuit 18 is made of two luminescent devices, first luminescent device of this light warning circuit 18 is connected between first power supply side and power supply ground of described current detection circuit 12, constitutes that live wire falls on the ground or the light warning circuit when getting an electric shock; Second luminescent device of this light warning circuit 18 is connected on described zero line and falls on the ground and constitute zero line between the second source feeder ear of signal output apparatus 14 and the power supply ground and fall on the ground the light warning circuit;
Described audible alarm circuit 19 is made of a microphone device, and this microphone device is connected between the power supply side and power supply ground of audible alarm circuit 19, the alarm signal of sounding during energising.
It is the two ends that are connected in impedor 11 in parallel for a described lightning arrester 21. be between electrical network zero line side or phase line end and the electrical network ground wire; when power network. transformer neutral point. when zero line meets thunder and lightning or overvoltage. lightning arrester 21 can be protected impedor 11 and other power equipment, and it can introduce the earth elimination to thunder and lightning or overvoltage.
Fig. 2. be that the utility model is used for the star connection schematic diagram, adopt star connection at magnetoelectricity alternation generator or power transformer secondary side. neutral point be zero line 5 with electrical network ground wire 2 between be connected in series this protection against electric shock protector 3, the working power line 8 of protection against electric shock protector 3 is connected in parallel on the phase line of secondary side outlet. high-voltage fence passes through voltage transformer.When people (or other animal) stands on the ground, when touching low pressure, high-voltage fence phase line in the water, the electric current of electrical network flows through human body 1, flows into the earth, through earth connection 2, flow into protection against electric shock protector 3, get back to zero line 5 and enough become the closed-loop path to neutral point.Just finish the processing of regulating loop voltage automatically in the moment of switching on, the outlet of star connection phase coil 6 is consumed by protection against electric shock protector 3 most of voltage of voltage between the zero line 5 and phase line direct-to-ground capacitance voltage.The voltage that people 1 (other animal) is born is safe voltage, has protected the life security of people (other animal) for this reason.7 is switch among Fig. 2.
Fig. 3. be that the utility model is used for the delta connection schematic diagram.Connect a protection against electric shock protector 3 between magnetoelectricity alternation generator or every phase line of power transformer secondary side output and electrical network ground wire, working power is connected on the phase line of secondary side outlet. and high-voltage fence is through voltage transformer.When people 1 stands on the ground, when touching low pressure, high-voltage fence phase line in the water, the electric current of electrical network phase line flows through human body 1, flow into the earth, process earth connection 2, inflow protection against electric shock protector 3 is got back to generator or Circuit Fault on Secondary Transformer delta connection phase coil tail shelves enough become the closed-loop path.Just finish the processing of regulating loop voltage automatically in the moment of switching on. 20 grades of heads of triangle coil are consumed by protection against electric shock protector 3 shelves tail voltage and the most of voltage of phase line direct-to-ground capacitance voltage.The voltage that people 1 is born is safe voltage, has just protected people 1 life security for this reason.7 is switch among Fig. 3.
When transformer or generator secondary side employing star connection, the impedor of protection against electric shock protector of the present utility model is serially connected between the neutral point and electrical network ground wire of described power network wiring end, if people (or other animal) stands on the ground, touch low pressure in the water, during the high-voltage fence phase line, the electric current of electrical network flows through human body, flow into the earth, through earth connection, flowing into the protection against electric shock protector and get back to neutral point formation closed-loop path. the motional impedance device is just finished the consumption of regulating loop voltage and phase line direct-to-ground capacitance automatically in the moment of switching on, making human or animal's voltage on one's body is safe voltage, has guaranteed life security! If zero line falls on the ground, zero line and ground wire closure make the zero line of protection against electric shock protector fall on the ground testing circuit 15 and produce zero lines and fall on the ground detection signal, and the electric current zero line falls on the ground two outlet internal closures of signal output apparatus 14. the second source feeder ear is powered immediately; On the other hand, to land impedor when phase line current detection circuit 12 is sent signal. phase line falls on the ground current detection circuit 12 because its input has signal to pass through, and makes two outlet internal closure, and first power supply side is powered immediately.More than two kinds of situations trip circuit 17, light warning circuit 18 and sound warning circuit 19 are started working.
When transformer or generator secondary side employing delta connection, protection against electric shock protector of the present utility model is connected between electrical network phase line and the electrical network ground wire, to remove zero line and fall on the ground signal. other course of work is identical with star connection warning operation principle.
The utility model: the advantage of Anti-shock safety device; Fire can not take place in a, electrical network single-line to ground fault The calamity accident; Electric network from collapsing can not take place and cause large area blackout in b, the single-phase shorted to earth of electrical network; C, Be convenient to service without power-off, guarantee the electrical network normal power supply; D, power grid construction can reduce distance to the ground with exhausted The edge grade can be saved substantial contribution; E, to reduce the people frightened to the psychology of electricity. F, when live wire, zero Line falls on the ground that Anti-shock safety device can send that language is informed, light warning, inform that the electrician is rapid Come the in-situ processing fault, if within a certain period of time (according to the line voltage classification time) electric The staff does not process, and Anti-shock safety device is cut off the electricity supply with regard to instruction.
The utility model; A main feature of Anti-shock safety device! People or other animal stands on the ground, water In touch low voltage electric network and high-voltage fence injures and deaths can not take place! Do not cause again the left alone without help electrification of tripping operation.
Claims (3)
1, protection against electric shock protector: it comprises one for the other parts circuit provides the rectification circuit (13) of dc power supply, and any one in the ac input end of this rectification circuit (13) and electrical network a, b, the c three-phase is connected mutually, it is characterized in that:
It comprises that also impedor (11), current detection circuit (12), zero line fall on the ground signal output apparatus (14), zero line falls on the ground testing circuit (15), timing trip circuit (17), light warning circuit (18), audible alarm circuit (19) and lightning arrester (21);
Described impedor (11) is an impedor that is connected between power network wiring end and the electrical network ground wire, when transformer or generator secondary side employing star connection, described power network wiring end is a neutral point, when transformer or generator secondary side employing delta connection, described power network wiring end is a phase line, and impedor (11) is made up of inductance L and internal resistance R;
Described current detection circuit (12) is a current-sensing circuit; Two inputs of this current detection circuit (12) and described impedor (11) are connected to form induction and detect the loop, output in two outputs with exchange or dc power supply terminal is connected, another output is connected with described timing trip circuit (17), light warning circuit (18) and the power supply side of sound warning circuit (19), constitutes first power supply side;
It is that two inputs that many these zero lines of a current-sensing circuit fall on the ground testing circuit (15) are connected with ground wire with the electrical network zero line respectively that described zero line falls on the ground testing circuit (15), and its output is that the instruction zero line falls on the ground the alarm signal loop;
The input that described zero line falls on the ground signal output apparatus (14) is connected with the output that described zero line falls on the ground testing circuit (15), output that this zero line falls on the ground signal output apparatus (14) with exchange or dc power supply terminal is connected, another output is connected with described timing trip circuit (17), light warning circuit (18) and the power supply side of sound warning circuit (19), constitutes the second source feeder ear;
Described timing trip circuit (17) is made of a time relay, and this time relay polyphone is connected between the power supply side and power supply ground of described timing trip circuit (17), and two output polyphones are connected on electrical network trip switch loop;
The light Display and Alarm Circuit that described light warning circuit (18) is made of two luminescent devices, first luminescent device polyphone of this light warning circuit (18) is connected between first power supply side and power supply ground of described current detection circuit (12), the light warning circuit when constituting live wire ground connection or electric shock; Second luminescent device of this light warning circuit (18) polyphone is connected on described zero line and falls on the ground and constitute zero line between the second source feeder ear of signal output apparatus (14) and the power supply ground and fall on the ground the light warning circuit;
Described audible alarm circuit (19) is made of microphone device, this microphone device is connected between power supply side and the power supply ground, warning circuit (19) has two inputs, one end is connected with the output of current detection circuit (12), and an end is connected with the output that zero line falls on the ground signal circuit (14);
Described lightning arrester (21) it be and be connected in the two ends of impedor (11). be the power network wiring end is between zero line side or phase line end and the electrical network ground wire.
2, protection against electric shock protector according to claim 1; It is characterized in that: described protection against electric shock protector is when generator or power transformer secondary side employing star connection, the protection against electric shock protector is serially connected between neutral point and the electrical network ground wire, the working power line parallel of protection against electric shock protector is connected on the phase line of secondary side outlet, and high-voltage fence is through voltage transformer.
3, protection against electric shock protector according to claim 1; It is characterized in that: described protection against electric shock protector is when generator or power transformer secondary side employing delta connection, the protection against electric shock protector is connected between the every phase line and electrical network ground wire of electrical network, working power is connected on the phase line of secondary side outlet, and high-voltage fence is through voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520133983 CN2912061Y (en) | 2004-11-03 | 2005-11-02 | Anti-shock safety device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410046889 CN1610203A (en) | 2004-11-03 | 2004-11-03 | Anti-electric shock protector |
| CN200410046889.3 | 2004-11-03 | ||
| CN 200520133983 CN2912061Y (en) | 2004-11-03 | 2005-11-02 | Anti-shock safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2912061Y true CN2912061Y (en) | 2007-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520133983 Expired - Fee Related CN2912061Y (en) | 2004-11-03 | 2005-11-02 | Anti-shock safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2912061Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109255916A (en) * | 2018-11-19 | 2019-01-22 | 国网四川省电力公司攀枝花供电公司 | Distribution transformer protection against electric shock active alarm system |
-
2005
- 2005-11-02 CN CN 200520133983 patent/CN2912061Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109255916A (en) * | 2018-11-19 | 2019-01-22 | 国网四川省电力公司攀枝花供电公司 | Distribution transformer protection against electric shock active alarm system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUZHOU GUANGXI TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: XIAO GUANGXI Effective date: 20090403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090403 Address after: No. 586, Wenhua Road, Hunan, Zhuzhou Province, China: 412000 Patentee after: Zhuzhou Light Technology Co., Ltd. Address before: No. 28, Wenhua Road, Hunan, Zhuzhou Province, China: 412000 Patentee before: Xiao Guangxi |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20131102 |