CN108667105A - A kind of earth leakage protective portable charged protective device of band Type B - Google Patents
A kind of earth leakage protective portable charged protective device of band Type B Download PDFInfo
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- CN108667105A CN108667105A CN201810699231.4A CN201810699231A CN108667105A CN 108667105 A CN108667105 A CN 108667105A CN 201810699231 A CN201810699231 A CN 201810699231A CN 108667105 A CN108667105 A CN 108667105A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000002707 nanocrystalline material Substances 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000004224 protection Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002159 nanocrystal Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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- 238000012163 sequencing technique Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of earth leakage protective portable charged protective devices of band Type B; the device is acted on plays safeguard protection when charging to new-energy automobile to new-energy automobile and human body comprising Type B creepage mutual inductor, the second relay (Live line Zero line runs through Type B creepage mutual inductor) for connecting zero curve, connects the Type B detection of electrical leakage execution controller of Type B creepage mutual inductor and is separately connected the charging unit master controller that the first relay, the second relay, Type B detection of electrical leakage execute controller the first relay for connecting firewire.The present invention can be detected in charging include AC types, A types and Type B electric leakage signal, and the safeguard measure to charge is made whether for the electric leakage signal, to realize the effect for protecting new-energy automobile and human-body safety.
Description
Technical field
The present invention relates to electric leakage protection technology field more particularly to a kind of earth leakage protective portable charged protections of band Type B
Device.
Background technology
Existing new-energy automobile charge protection device 70% uses AC type earth leakage protectives, and 30% uses A type earth leakage protectives, AC
Type protection scheme can not detect pulsation, slowly varying leakage current and DC leakage electric current.A types earth leakage protective can not detect pure
DC leakage current and high-frequency leakage current.If charger occurs in the line electrical leakage or charging process of charge protection device itself
Electric leakage, existing protective device (AC types and A types) can not play effective protection when producing pure DC leakage current or high-frequency leakage current,
Human body danger of hazardous electrical discharges easily occurs, so as to cause security risk.
Invention content
The present invention is directed to the shortcomings that existing way, proposes a kind of earth leakage protective portable charged protective device of band Type B, uses
To solve the above problem of the existing technology.
According to an aspect of the invention, there is provided a kind of earth leakage protective portable charged protective device of band Type B, including
Type B creepage mutual inductor, the zero curve through the Type B creepage mutual inductor and firewire, the first relay of the connection firewire, connection
Second relay of the zero curve, Type B detection of electrical leakage execute controller and the connection Type B detection of electrical leakage executes controller
Charging unit master controller；
The Type B creepage mutual inductor connection Type B detection of electrical leakage executes controller and is folded with generating the first superposed signal and second
Plus signal, first superposed signal include the fundamental signal that Type B detection of electrical leakage actuator generates and the detection of Type B creepage mutual inductor
The electric leakage signal gone out, the electric leakage signal include AC types electric leakage signal, A types electric leakage signal or Type B electric leakage signal；
Second superposed signal includes the fundamental signal and 0 signal that Type B detection of electrical leakage actuator generates, 0 signal
Indicate that Type B creepage mutual inductor does not detect electric leakage signal；
The Type B detection of electrical leakage executes controller and connects charging unit master controller to export high level signal and low level
It is that Type B detection of electrical leakage executes when leakage current value is not less than preset value that signal, which gives charging unit master controller, the high level signal,
Controller exports, and the low level signal is that Type B detection of electrical leakage executes controller output when leakage current value is less than preset value, described
Leakage current value executes controller calculating electric leakage signal by Type B detection of electrical leakage and show that the electric leakage signal is executed by Type B detection of electrical leakage
Controller analysis superposed signal is separated from superposed signal again；
Charging unit master controller is separately connected the first relay and the second relay to send protection new-energy automobile
Open command and the close command to charge to new-energy automobile；
The open command refers to disconnecting the instruction of the first relay and the second relay, and the open command is filled by charging
Master controller is set to obtain high level signal and send out；
The close command refers to being closed the instruction of the first relay and the second relay, and the close command is filled by charging
Master controller is set to obtain low level signal and send out.
Further, the Type B creepage mutual inductor includes first port and second port；
The first port and second port are used to connection Type B detection of electrical leakage and execute controller.
Further, the firewire includes the fire wire output end and firewire input terminal of external device, first relay
Between firewire input terminal and fire wire output end.
Further, the zero curve includes zero line output end and the zero curve input terminal of external device, second relay
Between zero curve input terminal and zero line output end.
Further, the charging unit master controller draws including at least Trip pins, self pins, C1 pins and C2
Foot；
The Trip pins and self pins are all connected with Type B detection of electrical leakage and execute controller；
The C1 pins connect the first relay；
The C2 pins connect the second relay.
Further, it includes six interfaces that the Type B detection of electrical leakage, which executes controller, and respectively first interface to the 6th connects
Mouthful, wherein first interface connects power supply, second interface ground connection, the second port of third interface connection Type B creepage mutual inductor, the
Four interfaces connect the first port of Type B creepage mutual inductor, the self pins of the 5th interface connection charging unit master controller, the 6th
Interface connects the Trip pins of charging unit master controller.
Further, the power supply is+5V.
Further, the high level signal and low level signal execute control by Trip pins from Type B detection of electrical leakage
Device processed is transferred to charging unit master controller.
Preferably, the Type B creepage mutual inductor is made of nanocrystalline material.
Preferably, the charging unit master controller is MCU.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention detects that the electric leakage signal of AC types, A types or Type B, Type B detection of electrical leakage are executed by Type B creepage mutual inductor
Controller calculates electric leakage signal and sends out high level signal or low level signal, and charging unit master controller is according to high level signal
Or low level signal sends out the instruction that the first relay and the second relay is opened or closed, to realize protection new-energy automobile
Effect.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is a kind of structural frames with the earth leakage protective portable charged protective device of Type B in the embodiment of the present invention one
Figure.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
In some flows of description in description and claims of this specification and above-mentioned attached drawing, contain according to
Multiple operations that particular order occurs, but it should be clearly understood that these operations can not be what appears in this article suitable according to its
Sequence is executed or is executed parallel, and the serial number such as 101,102 etc. of operation is only used for distinguishing each different operation, serial number
It itself does not represent and any executes sequence.In addition, these flows may include more or fewer operations, and these operations can
To execute or execute parallel in order.It should be noted that the descriptions such as " first " herein, " second ", are for distinguishing not
Same message, equipment, module etc., does not represent sequencing, does not also limit " first " and " second " and be different type.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of example of the present invention, is implemented instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
Embodiment one
As shown in Figure 1, a kind of earth leakage protective portable charged protection dress of the band Type B for providing one embodiment of the invention
It sets, which is used to protect new-energy automobile and human body when new-energy automobile charges comprising Type B creepage mutual inductor (CT1)
101, through the first relay (K1) of the firewire (L) 106 of Type B creepage mutual inductor and zero curve (N) 107, connection firewire (L) 106
102, the Type B detection of electrical leakage of the second relay (K2) 103 of connection zero curve (N) 107, connection Type B creepage mutual inductor (CT1) 101
It executes controller (CT2) 104 and is separately connected Type B detection of electrical leakage and execute controller (CT2) 104, first relay (K1) 102
With the charging unit master controller (U1) 105 of the second relay (K2) 103；
Type B creepage mutual inductor (CT1) 101 is made of nanocrystalline material, and nanocrystal refers to the crystalline material on nano-scale,
Or the nano particle with crystal structure.Nanocrystal has critically important researching value.Nanocrystal is electrically and thermally
Property shows very strong size-dependent, so as to control these properties by careful manufacturing process.Nanocrystal
It is capable of providing the crystal structure of monomer, the crystal structure by studying these monomers can provide information to explain analog material
The behavior of macroscopical sample, and without considering complicated crystal boundary and other crystal defects.
Type B creepage mutual inductor (CT1) 101 includes first port and second port；
First port and second port are used to connection Type B detection of electrical leakage and execute controller (CT2) 104；
Type B creepage mutual inductor (CT1) 101 connects Type B detection of electrical leakage and executes controller (CT2) 104 to generate the first superposition
Signal and the second superposed signal, the first superposed signal include that Type B electric leakage executes fundamental signal and B that controller (CT2) 104 generates
The electric leakage signal that type creepage mutual inductor (CT1) 101 detects, electric leakage signal include AC types electric leakage signal, A types electric leakage signal or B
Type electric leakage signal；
Second superposed signal includes that Type B electric leakage executes fundamental signal and 0 signal that controller (CT2) 104 generates, 0 signal
Indicate that Type B creepage mutual inductor (CT1) 101 does not detect electric leakage signal；
Type B detection of electrical leakage executes 104 connection charging unit master controller (U1) 105 of controller (CT2) to export high level
To charging unit master controller (U1) 105, high level signal is B when leakage current value is not less than preset value for signal and low level signal
Type detection of electrical leakage executes 104 output of controller (CT2), and low level signal is Type B detection of electrical leakage when leakage current value is less than preset value
104 output of controller (CT2) is executed, leakage current value executes 104 calculating electric leakage signal of controller (CT2) by Type B detection of electrical leakage and obtains
Go out, electric leakage signal executes 104 analysis superposed signal of controller (CT2) by Type B detection of electrical leakage and separated from superposed signal again；
Type B detection of electrical leakage executes controller (CT2) 104 and includes six interfaces, respectively first interface to the 6th interface,
In, power supply, second interface ground connection, the third interface of first interface connection+5V connect the second of Type B creepage mutual inductor (CT1) 101
Port, the first port of the 4th interface connection Type B creepage mutual inductor (CT1) 101, the 5th interface connect charging unit master controller
(U1) the Trip pins of 105 self pins, the 6th interface connection charging unit master controller (U1) 105.
Charging unit master controller (U1) 105 is MCU, and MCU full name Microcontroller Unit, refer to microcontroller list
Member, also known as one chip microcomputer (Single Chip Microcomputer) or microcontroller, are central processing unit
(Central Process Unit；CPU frequency) and specification do appropriate reduction, and by memory (memory), counter
(Timer), the perimeter interfaces such as USB, A/D conversion, UART, PLC, DMA or even LCD driving circuits are all incorporated on one chip,
The computer for forming chip-scale does various combination control for different application scenarios.
Charging unit master controller (U1) 105 includes at least Trip pins, self pins, C1 pins and C2 pins；
Trip pins, self pins, C1 pins and C2 pins are I/O pins；
Trip pins and self pins are all connected with Type B detection of electrical leakage and execute controller (CT2) 104, wherein high level signal
Controller (CT2) 104 is executed from Type B detection of electrical leakage by Trip pins with low level signal and is transferred to charging unit main control
Device (U1) 105；
C1 pins connect the first relay (K1) 102；
C2 pins connect the second relay (K2) 103.
Charging unit master controller (U1) 105 be separately connected the first relay (K1) 102 and the second relay (K2) 103 with
Send the open command of protection new-energy automobile and the close command to new-energy automobile charging；
Open command refers to disconnecting the instruction of the first relay (K1) 102 and the second relay (K2) 103, open command by
Charging unit master controller (U1) 105 obtains high level signal and sends out；
Close command refers to being closed the instruction of the first relay (K1) 102 and the second relay (K2) 103, close command by
Charging unit master controller (U1) 105 obtains low level signal and sends out.
Firewire (L) 106 includes that the fire wire output end L-OUT of external device and firewire input terminal L-IN, the first relay are set
Between firewire input terminal L-IN and fire wire output end L-OUT；
First relay (K1) 102 is also respectively connected with charging unit master controller (U1) 105.
Zero curve (N) 107 includes that the zero line output end N-OUT of external device and zero curve input terminal N-IN, the second relay are set
Between zero curve input terminal N-IN and zero line output end N-OUT；
Second relay (K2) 103 is also respectively connected with charging unit master controller (U1) 105.
In conclusion advantage of the present invention is as follows：
1, the present invention obtains Type B creepage mutual inductor using high-performance and controller carries out Type B leakage current test, is using process
Middle can effectively protect personal safety when leaking electricity；
2, the present invention can also detect Type B electric leakage other than it can detect existing scheme (AC types and A types) leakage current type
Stream：Pure DC leakage current, high-frequency leakage current, exchange are superimposed pure DC leakage current etc.；
3, the present invention can also be compatible with existing earth leakage protective type (AC types and A types), you can to detect ac leakage stream, arteries and veins
Dynamic DC leakage current, ac leakage are superimposed pulsating direct current electric leakage stream；
4. the Type B detection of electrical leakage in the present invention executes controller and uses unitary module, have stability good and good
Electromagnetic interference (EMC) protective capacities；
5, by experiment, the precision of the detectable various types of electric leakage signals of the present invention can be controlled in 1mA；
6, the Type B creepage mutual inductor in the present invention is isolated form nanocrystalline material, has class of insulation height, proof voltage energy
It is good.
In embodiment provided herein, it should be understood that disclosed device, module and/or unit, Ke Yitong
Other modes are crossed to realize.For example, embodiments described above is only schematical, for example, the division of the device, only
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple devices can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.The unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of unit achieve the purpose of the solution of this embodiment.
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of earth leakage protective portable charged protective device of band Type B, which is characterized in that including Type B creepage mutual inductor, connection
First relay of the firewire, the second relay of the connection zero curve, Type B detection of electrical leakage execute controller and connection institute
State the charging unit master controller that Type B detection of electrical leakage executes controller；
The Type B creepage mutual inductor connection Type B detection of electrical leakage executes controller and is folded with generating the first superposed signal of transmission and second
Plus signal, first superposed signal include the fundamental signal that Type B creepage mutual inductor detection actuator generates and Type B electric leakage mutual inductance
The electric leakage signal that device detects, the electric leakage signal include AC types electric leakage signal, A types electric leakage signal and/or Type B electric leakage signal；
Second superposed signal includes the fundamental signal and 0 signal that Type B creepage mutual inductor detection actuator generates, 0 letter
Number indicate Type B creepage mutual inductor do not detect electric leakage signal；
The Type B detection of electrical leakage executes controller and connects charging unit master controller to export high level signal and low level signal
It is that Type B detection of electrical leakage executes control when leakage current value is not less than preset value to give charging unit master controller, the high level signal
Device exports, and the low level signal is that Type B detection of electrical leakage executes controller output, the electric leakage when leakage current value is less than preset value
Flow valuve executes controller calculating electric leakage signal by Type B detection of electrical leakage and show that the electric leakage signal executes control by Type B detection of electrical leakage
Device analysis superposed signal is separated from superposed signal again；
Charging unit master controller is separately connected the first relay and the second relay to send for protecting new-energy automobile
Open command and the close command to charge to new-energy automobile；
The open command refers to disconnecting the instruction of the first relay and the second relay, and the open command is by charging unit master
Controller obtains high level signal and sends out；
The close command refers to being closed the instruction of the first relay and the second relay, and the close command is by charging unit master
Controller obtains low level signal and sends out.
2. the apparatus according to claim 1, which is characterized in that the Type B creepage mutual inductor includes first port and second
Port；
The first port and second port are used to connection Type B detection of electrical leakage and execute controller.
3. the apparatus of claim 2, which is characterized in that the firewire includes the fire wire output end and fire of external device
Line input terminal, first relay are set between firewire input terminal and fire wire output end.
4. device according to claim 3, which is characterized in that the zero curve includes the zero line output end and zero of external device
Line input terminal, second relay are set between zero curve input terminal and zero line output end.
5. device according to claim 4, which is characterized in that the charging unit master controller draws including at least Trip
Foot, self pins, C1 pins and C2 pins；
The Trip pins and self pins are all connected with Type B detection of electrical leakage and execute controller；
The C1 pins connect the first relay；
The C2 pins connect the second relay.
6. device according to claim 5, which is characterized in that the Type B detection of electrical leakage executes controller and connect including six
Mouth, respectively first interface to the 6th interface, wherein first interface connects power supply, second interface ground connection, third interface connection B
The second port of type creepage mutual inductor, the first port of the 4th interface connection Type B creepage mutual inductor, the 5th interface connection charging dress
Set the self pins of master controller, the Trip pins of the 6th interface connection charging unit master controller.
7. device according to claim 6, which is characterized in that the power supply is+5V.
8. device according to claim 6, which is characterized in that the high level signal and low level signal pass through Trip
Pin executes controller from Type B detection of electrical leakage and is transferred to charging unit master controller.
9. device according to any one of claims 1 to 8, which is characterized in that the Type B creepage mutual inductor is nanocrystalline
Material is made.
10. device according to any one of claims 1 to 8, the charging unit master controller is MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699231.4A CN108667105A (en) | 2018-06-29 | 2018-06-29 | A kind of earth leakage protective portable charged protective device of band Type B |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810699231.4A CN108667105A (en) | 2018-06-29 | 2018-06-29 | A kind of earth leakage protective portable charged protective device of band Type B |
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| CN108667105A true CN108667105A (en) | 2018-10-16 |
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| CN201810699231.4A Pending CN108667105A (en) | 2018-06-29 | 2018-06-29 | A kind of earth leakage protective portable charged protective device of band Type B |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098652A (en) * | 2019-01-18 | 2019-08-06 | 青岛海信移动通信技术股份有限公司 | A kind of mobile phone, mobile phone body device and mobile phone are continued a journey device |
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| CN110098652A (en) * | 2019-01-18 | 2019-08-06 | 青岛海信移动通信技术股份有限公司 | A kind of mobile phone, mobile phone body device and mobile phone are continued a journey device |
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