CN206099301U - Leakage detection's earth -leakage protector can carry out automatically - Google Patents
Leakage detection's earth -leakage protector can carry out automatically Download PDFInfo
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- CN206099301U CN206099301U CN201621127162.2U CN201621127162U CN206099301U CN 206099301 U CN206099301 U CN 206099301U CN 201621127162 U CN201621127162 U CN 201621127162U CN 206099301 U CN206099301 U CN 206099301U
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- iron core
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- hook body
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Abstract
The utility model discloses a leakage detection's earth -leakage protector can carry out automatically, including the release main hook body, the release auxiliary hook body, iron core A, iron core B, iron core C and central controller, the middle part of the release main hook body is equipped with the loose axle, and its left bottom of release main hook body is equipped with the release auxiliary hook body, and surface in the middle part of the release auxiliary hook is personally experienced sth. Part of the body from left to right equidistance is equipped with three closed arcs. The utility model discloses an iron plate and the spring that set up on the release main hook body, and the permanent magnetism block who sets up at the both ends of the release auxiliary hook body, the iron core A that the cooperation set up, iron core B and iron core C, and with iron core A, iron core B and iron core C go up winding wire no. 2 respectively, wire seven and wire six, the zero sequence current transformer who deuterogamies and set up, central controller, current -controlled switch A, commutator A, commutator B, current -controlled switch B and current -controlled switch C, make this earth -leakage protector reach the effect that self -timing carries out leakage detection.
Description
Technical field
This utility model is related to safety utilization of electric power technical field, and specially a kind of electric leakage that can automatically carry out detection of electrical leakage is protected
Shield device.
Background technology
Earth leakage protective device is a kind of electric safety device, used in low-voltage circuit widely.When generation is leaked electricity and is touched
When electric, if reach the current value that protector specifies, earth leakage protective device will action immediately, cut off the electricity supply, protection the person and
The safety of equipment.It is provided with a test button on its earth leakage protective device simultaneously, the principle of test button is simulation electric leakage, if
Action, illustrates that earth leakage protective device is normal.In order to check the reliability of its action, generally monthly to be tested once.
But existing current, earth leakage protective device is operated when testing by manpower, in China, though it is every
Family's each household is provided with earth leakage protective device, but people check and be not concerned with for earth leakage protective device periodically carries out electric leakage, have even
After installing from earth leakage protective device, detection of electrical leakage operation is never actively carried out, it is this kind of not focus on or ignore earth leakage protective device electric leakage
The viewpoint or thought of detection, for household electricity has serious potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of earth leakage protective device that can automatically carry out detection of electrical leakage, and possessing can be certainly
The dynamic advantage for carrying out detection of electrical leakage and warning prompting function, solving the detection of electrical leakage of earth leakage protective device in prior art needs people
Work is operated, and due to time interval it is longer, it is impossible to enough problems for carrying out detection of electrical leakage on time.
For achieving the above object, this utility model provides following technical scheme：It is a kind of automatically to carry out detection of electrical leakage
Earth leakage protective device, including electrical apparatus release main hook body, electrical apparatus release auxiliary hook body, iron core A, iron core B, iron core C and central controller, it is described de-
Movable axis is provided with the middle part of button device main hook body, the bottom on the left of its electrical apparatus release main hook body is provided with electrical apparatus release auxiliary hook body, the dropout
Outer surface in the middle part of device auxiliary hook body is from left to right equidistant to be provided with three arc of closure, and three closure arc tops are distinguished with bottom
N lines, G lines and L lines are connected with, the inner chamber at the electrical apparatus release auxiliary hook body two ends is provided with permanent magnets, the electrical apparatus release main hook body right-hand member
Inner chamber be provided with iron block, be provided with spring at the top of its electrical apparatus release main hook body right-hand member.
Respectively level is provided with iron core A and iron core B in the outside at the electrical apparatus release auxiliary hook body two ends, twines on the outside of the iron core A
Wire two is wound with, wire seven is wound with the outside of the iron core B, the bottom of the iron block is vertically provided with iron core C, the iron core C
Outside be wound with wire six, wire three and wire four are connected on the L lines of three arc of closure bottoms, its three institutes
State and the middle part of wire one and wire five, the wire one and wire three is connected on the N lines of arc of closure bottom electricity is installed
The top of flow control switch A, its wire one and wire three is also associated with diverter A, and the two ends of the wire two are connected to
The I/O of diverter A, the middle part of the wire three and is also in series between diverter A and current-controlled switch A
The middle part of current control resistor A, the wire four and wire five is provided with current-controlled switch B, its wire five and wire four
Top is also associated with diverter B, the middle part of the wire four and is also in series between diverter B and current-controlled switch B
Current control resistor B, the middle part of the wire six is in series with current-controlled switch C, and one end of the wire seven is connected to electric current
On wire six between controlling switch C and diverter B, the other end of its wire seven is then connected to wire six and opens away from current control
One end of C is closed, the two ends of the wire six are connected to the I/O of diverter B, the N of three arc of closure bottoms
Zero sequence current mutual inductor is provided with the outside of line, G lines and L lines, the zero sequence current mutual inductor is connected with central authorities by mutual inductor
Controller.
The inside of the central controller includes data analysis module, and the outfan of the data analysis module is electrical respectively
It is connected with central control module, information transmission modular and module of warning, the input of its data analysis module is mutual with zero-sequence current
Sensor is mutually electrically connected with, and the outfan of described information transport module has been electrically connected with user's mobile phone and power equipment maintaining people
Member's mobile phone, the input of the central control module is also electrically connected with time block, the central control module it is defeated
Go out end and be electrically connected with data analysis module, shutdown control module and reset control module, the shutdown control module and
The outfan of reset control module respectively with current-controlled switch A, diverter A, diverter B, current-controlled switch B and electric current control
System switch C phases are electrically connected with.
Preferably, the exposed one end of the electrical apparatus release auxiliary hook body left end permanent magnets is N poles, and the permanent magnets of right-hand member are exposed
One end outside is S poles.
Preferably, contact, three arc of closure are provided between the top of three arc of closure and N lines, G lines and L lines
Bottom and N lines, G lines and L lines between be movable connection structure.
Preferably, the electric current maximum target flow value of current control resistor A and current control resistor B is 150-200 millis
Peace.
Preferably, the N lines are zero line, and G lines are earth lead, and L lines are live wire.
Preferably, away from one end of electrical apparatus release main hook body, and the two ends of movable axis are fixed on earth leakage protective to the spring
On the shell of device.
Preferably, the timing threshold that the time block sets was as 30 days.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the iron block and spring that this utility model passes through the setting on electrical apparatus release main hook body, and in electrical apparatus release auxiliary hook body
The permanent magnets that two ends are arranged, the iron core A being equipped with, iron core B and iron core C, and with iron core A, iron core B and iron core C on respectively
The wire two of winding, wire seven and wire six, then the zero sequence current mutual inductor that is equipped with, central controller, current control open
Close A, diverter A, diverter B, current-controlled switch B and current-controlled switch C so that the earth leakage protective device has reached automatically fixed
Shi Jinhang detection of electrical leakage, and the effect of leakage pre-alarm.
2nd, the iron block and spring that this utility model passes through the setting on electrical apparatus release main hook body, and in electrical apparatus release auxiliary hook body
The permanent magnets that two ends are arranged, the iron core A being equipped with, iron core B and iron core C, and with iron core A, iron core B and iron core C on respectively
The wire two of winding, wire seven and wire six, then the zero sequence current mutual inductor that is equipped with, central controller, current control open
Close A, diverter A, diverter B, current-controlled switch B and current-controlled switch C so that the earth leakage protective device, can be by profit
Magnetic field produced after iron core is powered is wound with wire, and the change in current flowing direction affects on magnetic field so that electrical apparatus release
Connection between main hook body and electrical apparatus release auxiliary hook body carries out automatic open-close operation, by coordinating the number arranged in central controller
According to analysis module, information transmission modular, module of warning, time block, central control module, shutdown control module and the control that resets
Module so that the earth leakage protective device can be by time block, central control module, shutdown control module and the control mould that resets
Block, realizes timing automatic electric leakage checked operation, effectively replaces traditional desk checking to operate, and effectively increases residential electricity consumption
Safety guarantee, eliminates the potential safety hazard that electric leakage brings, meanwhile, the information transmission modular and alarm module of setting can be effective
Carry out warning prompting to user, and while notified to power equipment maintaining personnel, facilitate residential electricity consumption as early as possible to recover normal
Use, be that user brings convenience, so as to the detection of electrical leakage for effectively solving earth leakage protective device in prior art needs manually to enter
Row operation, and due to time interval it is longer, it is impossible to enough problems for carrying out detection of electrical leakage on time.
Description of the drawings
Fig. 1 is this utility model wire connection structure schematic diagram；
Fig. 2 is this utility model control system block diagram；
Fig. 3 carries out operation principle schematic diagram during power-off for this utility model；
Operation principle schematic diagram when Fig. 4 is resetted for this utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to Fig. 1-4, a kind of earth leakage protective device that can automatically carry out detection of electrical leakage, including it is electrical apparatus release main hook body, de-
Button device auxiliary hook body, iron core A, iron core B, iron core C and central controller, in the middle part of electrical apparatus release main hook body movable axis is provided with, its dropout
Bottom on the left of device main hook body is provided with electrical apparatus release auxiliary hook body, and the outer surface in the middle part of electrical apparatus release auxiliary hook body is from left to right equidistant to be provided with
Three arc of closure, three closure arc tops are connected to N lines, G lines and L lines, top and N lines, the G of three arc of closure with bottom
Contact is provided between line and L lines, is movable connection structure between the bottom of three arc of closure and N lines, G lines and L lines, N lines are zero
Line, G lines are earth lead, and L lines are live wire, and the inner chamber at electrical apparatus release auxiliary hook body two ends is provided with permanent magnets, and electrical apparatus release auxiliary hook body left end is forever
The exposed one end of magnetic piece is N poles, and exposed one end of permanent magnets of right-hand member is S poles, and the setting can facilitate electrical apparatus release
Auxiliary hook body is moved in the presence of magnetic force magnetic field so that arc of closure can reach the effect of control electricity, and electrical apparatus release main hook body is right
The inner chamber at end is provided with iron block, is provided with spring at the top of its electrical apparatus release main hook body right-hand member, spring away from electrical apparatus release main hook body one end,
And the two ends of movable axis are fixed on the shell of earth leakage protective device.
Respectively level is provided with iron core A and iron core B in the outside at electrical apparatus release auxiliary hook body two ends, and on the outside of iron core A wire is wound with
Two, wire seven is wound with the outside of iron core B, the bottom of iron block is vertically provided with iron core C, is wound with wire six on the outside of iron core C, and three
Wire three and wire four are connected on the L lines of root arc of closure bottom, are connected on the N lines of its three arc of closure bottoms
The middle part of wire one and wire five, wire one and wire three is provided with current-controlled switch A, the top of its wire one and wire three
It is also associated with diverter A, the two ends of wire two are connected to the I/O of diverter A, the middle part of wire three and is located at
The middle part that current control resistor A, wire four and wire five are also in series between diverter A and current-controlled switch A is provided with electricity
The top of flow control switch B, its wire five and wire four is also associated with diverter B, the middle part of wire four and positioned at diverter B and
The electric current that current control resistor B, current control resistor A and current control resistor B are also in series between current-controlled switch B is maximum
Target flow value is 150-200 milliamperes, and such setting can effectively avoid wire two, wire seven and wire six, after powered up
Wire two, wire seven and wire six is blown because electric current is excessive, serve safety protection function, the middle part series connection of wire six
The one end for having current-controlled switch C, wire seven is connected on the wire six between current-controlled switch C and diverter B, its wire
Seven other end is then connected to the one end of wire six away from current-controlled switch C, and the two ends of wire six are connected to diverter B
I/O, be provided with zero sequence current mutual inductor on the outside of the N lines of three arc of closure bottoms, G lines and L lines, zero-sequence current is mutual
Sensor is connected with central controller by mutual inductor.
The inside of central controller includes data analysis module, during the outfan of data analysis module has been electrically connected with
Centre control module, information transmission modular and module of warning, the input of its data analysis module is mutually electric with zero sequence current mutual inductor
Property connection, the outfan of information transmission modular has been electrically connected with user's mobile phone and power equipment maintaining personnel's mobile phone,
The input of central control module is also electrically connected with time block, and the timing threshold that time block sets was as 30 days so that should
Earth leakage protective device can automatically be leaked electricity verification test with 30 days as the cycle, and the outfan of central control module electrically connects respectively
It is connected to data analysis module, shutdown control module and reset control module, the output of shutdown control module and reset control module
End is electrically connected with respectively with current-controlled switch A, diverter A, diverter B, current-controlled switch B and current-controlled switch C phases.
Iron block and spring that this utility model passes through the setting on electrical apparatus release main hook body, and the two of electrical apparatus release auxiliary hook body
End arrange permanent magnets, the iron core A being equipped with, iron core B and iron core C, and with iron core A, iron core B and iron core C on twine respectively
Around wire two, wire seven and wire six, then zero sequence current mutual inductor, central controller, the current-controlled switch being equipped with
A, diverter A, diverter B, current-controlled switch B and current-controlled switch C so that the earth leakage protective device, can be by using
Wire winding iron core magnetic field produced after being powered, and the change in current flowing direction is on magnetic field impact so that electrical apparatus release master
Connection between coupler body and electrical apparatus release auxiliary hook body carries out automatic open-close operation, by coordinating the data arranged in central controller
Analysis module, information transmission modular, module of warning, time block, central control module, shutdown control module and the control mould that resets
Block so that the earth leakage protective device can pass through time block, central control module, shutdown control module and reset control module,
Timing automatic electric leakage checked operation is realized, effectively replaces traditional desk checking to operate, effectively increase the peace of residential electricity consumption
All risk insurance hinders, and eliminates the potential safety hazard that electric leakage brings, meanwhile, the information transmission modular and alarm module of setting can be effectively right
User carries out warning prompting, and while notified to power equipment maintaining personnel, facilitates residential electricity consumption to recover as early as possible normally to make
With being that user brings convenience.
This can automatically carry out the earth leakage protective device of detection of electrical leakage, and when carrying out electric leakage inspection automatically, its time block is in
Centre control module transmission simulation electric leakage information, central control module is first instructed to shutdown control module transmission（Reset control module
It is inoperative）, shutdown control module is respectively to current-controlled switch A, diverter A, diverter B, current-controlled switch B and electric current control
System switch C transmission instructions so that current-controlled switch A, current-controlled switch B and current-controlled switch C are closed so that wire
First, between wire two and wire three, and the loop that closure is formed between wire four, wire five, wire six and wire seven so that
Wire two, wire seven and wire six after powered up, make to form magnetic field around iron core A, iron core B and iron core C, fixed according to ampere
Then, the electric current for controlling the current output terminal output of diverter A flows from the right-hand member of iron core A to left end so that the right-hand member magnetic of iron core A
Extremely S poles, left end magnetic pole is N poles, while controlling the electric current of the current output terminal output of diverter B respectively from the left end of iron core B
To right-hand member flowing, and flow from the bottom of iron core C to top so that the left end magnetic pole of iron core B is N poles, right-hand member magnetic pole is S
Pole, the top pole of iron core C is N poles, and bottom magnetic pole is S poles, mutually exclusive according to magnetic pole of the same name, what synonyms pole attracted each other
Principle so that electrical apparatus release main hook body under the influence of a magnetic field, is rotated clockwise by the center of circle of movable axis, and while spring is drawn
It is long, electrical apparatus release auxiliary hook body, synonyms pole attract each other it is mutually exclusive with magnetic pole of the same name in the presence of side shifting to the left so that close
The contact on arc and the contact separation on N lines, G lines and L lines are closed, the effect of power-off is reached, if power-off cannot be smoothed out, central authorities
Control module is electric to user's movement respectively from data analysis module control information transport module to data analysis module transmission information
Words and power equipment maintaining personnel's mobile phone send information, while the warning lamp on earth leakage protective device is bright under the control of module of warning
Rise, if smoothly power-off, instructed from central control module to the transmission of reset control module（Power-off control module is inoperative）, reset
Control module to current-controlled switch A, diverter A, diverter B, current-controlled switch B and current-controlled switch C transmission is instructed,
So that current-controlled switch A and current-controlled switch B closures, current-controlled switch C disconnects so that wire one, wire two and lead
Between line three, and the loop that closure is formed between wire four, wire five and wire seven so that wire two and wire seven are being powered
Afterwards, make to form magnetic field around iron core A and iron core B, according to Ampere's law, control the electricity of the current output terminal output of diverter A
Stream flows from the left end of iron core A to right-hand member so that the right-hand member magnetic pole of iron core A is N poles, and left end magnetic pole is S poles, while controlling commutation
The electric current of the current output terminal output of device B flows from the right-hand member of iron core B to left end so that the left end magnetic pole of iron core B is N poles, right
End magnetic pole be S poles, principle that synonyms pole attract each other mutually exclusive according to magnetic pole of the same name so that electrical apparatus release auxiliary hook body is in magnetic
Side shifting to the right in the presence of, simultaneously because wire six does not form loop on iron core C so that the two ends of iron core C do not have
Rotated counterclockwise centered on movable axis under the action of the spring for magnetic pole, therefore electrical apparatus release main hook body so that electrical apparatus release
Main hook body and electrical apparatus release auxiliary hook body are re-connected so that the contact on contact and N lines, G lines and L lines on arc of closure is again
With reference to, the effect of Power resumption is reached, when in non-electric leakage inspection, when its zero sequence current mutual inductor senses zero-sequence current, its
The information of monitoring after the analysis of data analysis module, respectively to central control module, information transmission modular and module of warning,
So that central control module to power-off control module send instruct, carry out power down process, at the same information transmission modular respectively to
Family mobile phone and power equipment maintaining personnel's mobile phone send information, and the warning lamp on earth leakage protective device is in the control of module of warning
Under light.
In sum：This can automatically carry out the earth leakage protective device of detection of electrical leakage, by arranging on electrical apparatus release main hook body
Iron block and spring, and electrical apparatus release auxiliary hook body two ends arrange permanent magnets, the iron core A being equipped with, iron core B and iron core
C, and with the wire two, wire seven and the wire six that wind respectively on iron core A, iron core B and iron core C, then the zero sequence being equipped with
Current transformer, central controller, current-controlled switch A, diverter A, diverter B, current-controlled switch B and current control are opened
Close C so that the earth leakage protective device has reached self-timing carries out detection of electrical leakage, and the effect of leakage pre-alarm, so as to effective
Solving the detection of electrical leakage of earth leakage protective device in prior art needs manually to be operated, and due to time interval it is longer, no
The problem of detection of electrical leakage can on time be carried out.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage, including electrical apparatus release main hook body, electrical apparatus release auxiliary hook body, iron core
A, iron core B, iron core C and central controller, it is characterised in that：Movable axis is provided with the middle part of the electrical apparatus release main hook body, its dropout
Bottom on the left of device main hook body is provided with electrical apparatus release auxiliary hook body, and the outer surface in the middle part of the electrical apparatus release auxiliary hook body is from left to right equidistant
Three arc of closure are provided with, three closure arc tops are connected to N lines, G lines and L lines, the electrical apparatus release auxiliary hook with bottom
The inner chamber at body two ends is provided with permanent magnets, and the inner chamber of the electrical apparatus release main hook body right-hand member is provided with iron block, its electrical apparatus release main hook body right-hand member
Top be provided with spring；
Respectively level is provided with iron core A and iron core B in the outside at the electrical apparatus release auxiliary hook body two ends, is wound with the outside of the iron core A
Wire two, is wound with wire seven on the outside of the iron core B, the bottom of the iron block is vertically provided with iron core C, and the iron core C's is outer
Side is wound with wire six, and wire three and wire four are connected on the L lines of three arc of closure bottoms, closes described in its three
The middle part that wire one and wire five, the wire one and wire three are connected on the N lines for closing arc bottom is provided with electric current control
The top of system switch A, its wire one and wire three is also associated with diverter A, and the two ends of the wire two are connected to commutation
The I/O of device A, the middle part of the wire three and is also in series with electric current between diverter A and current-controlled switch A
The middle part of control resistor A, the wire four and wire five is provided with current-controlled switch B, the top of its wire five and wire four
It is also associated with diverter B, the middle part of the wire four and electric current is also in series between diverter B and current-controlled switch B
Control resistor B, the middle part of the wire six is in series with current-controlled switch C, and one end of the wire seven is connected to current control
On wire six between switch C and diverter B, the other end of its wire seven is then connected to wire six away from current-controlled switch C
One end, the two ends of the wire six are connected to the I/O of diverter B, the N lines of three arc of closure bottoms,
Zero sequence current mutual inductor is provided with the outside of G lines and L lines, the zero sequence current mutual inductor is connected with central control by mutual inductor
Device；
The inside of the central controller includes data analysis module, and the outfan of the data analysis module is electrically connected with
There are central control module, information transmission modular and module of warning, the input and zero sequence current mutual inductor of its data analysis module
Mutually it is electrically connected with, the outfan of described information transport module has been electrically connected with user's mobile phone and power equipment maintaining personnel shifting
Mobile phone, the input of the central control module is also electrically connected with time block, the outfan of the central control module
It has been electrically connected with data analysis module, shutdown control module and reset control module, the shutdown control module and reset
The outfan of control module is opened respectively with current-controlled switch A, diverter A, diverter B, current-controlled switch B and current control
Close C phases to be electrically connected with.
2. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：It is described
The exposed one end of electrical apparatus release auxiliary hook body left end permanent magnets is N poles, and exposed one end of permanent magnets of right-hand member is S poles.
3. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：Three
Contact, bottom and N lines, G lines and the L lines of three arc of closure are provided between the top of the arc of closure and N lines, G lines and L lines
Between be movable connection structure.
4. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：It is described
The electric current maximum target flow value of current control resistor A and current control resistor B is 150-200 milliamperes.
5. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：It is described
N lines are zero line, and G lines are earth lead, and L lines are live wire.
6. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：It is described
Away from one end of electrical apparatus release main hook body, and the two ends of movable axis are fixed on the shell of earth leakage protective device spring.
7. a kind of earth leakage protective device that can automatically carry out detection of electrical leakage according to claim 1, it is characterised in that：It is described
The timing threshold that time block sets was as 30 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127162.2U CN206099301U (en) | 2016-10-14 | 2016-10-14 | Leakage detection's earth -leakage protector can carry out automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621127162.2U CN206099301U (en) | 2016-10-14 | 2016-10-14 | Leakage detection's earth -leakage protector can carry out automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099301U true CN206099301U (en) | 2017-04-12 |
Family
ID=58483418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621127162.2U Expired - Fee Related CN206099301U (en) | 2016-10-14 | 2016-10-14 | Leakage detection's earth -leakage protector can carry out automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206099301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571617A (en) * | 2016-10-14 | 2017-04-19 | 无锡市海升电子科技有限公司 | Leakage protector capable of carrying out leakage detection automatically |
| CN108089087A (en) * | 2017-12-19 | 2018-05-29 | 北京中交国通智能交通系统技术有限公司 | A kind of electric leakage monitoring and guard method suitable for low-voltage power supply and distribution system |
-
2016
- 2016-10-14 CN CN201621127162.2U patent/CN206099301U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571617A (en) * | 2016-10-14 | 2017-04-19 | 无锡市海升电子科技有限公司 | Leakage protector capable of carrying out leakage detection automatically |
| CN106571617B (en) * | 2016-10-14 | 2019-02-05 | 安徽伊法拉电力科技有限公司 | A kind of earth leakage protective device that can carry out detection of electrical leakage automatically |
| CN108089087A (en) * | 2017-12-19 | 2018-05-29 | 北京中交国通智能交通系统技术有限公司 | A kind of electric leakage monitoring and guard method suitable for low-voltage power supply and distribution system |
| CN108089087B (en) * | 2017-12-19 | 2019-11-29 | 北京中交国通智能交通系统技术有限公司 | A kind of electric leakage monitoring and guard method suitable for low-voltage power supply and distribution system |
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