CN207588116U - A kind of AC line protection device with active current limliting and carrier wave - Google Patents
A kind of AC line protection device with active current limliting and carrier wave Download PDFInfo
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- CN207588116U CN207588116U CN201721799075.6U CN201721799075U CN207588116U CN 207588116 U CN207588116 U CN 207588116U CN 201721799075 U CN201721799075 U CN 201721799075U CN 207588116 U CN207588116 U CN 207588116U
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Abstract
A kind of AC line protection device with active current limliting and carrier wave, including protector body, the protector body is equipped with the input terminal and output terminal of power circuit, it is characterised in that:The protector body includes:Line current detection unit, line temperature detection unit, self- recoverage over-current protecting unit and central processing unit, line current detection unit includes Hall current detection and voltage detecting, for detecting the electric current and voltage condition in circuit in real time.This kind has the function of the AC line protection device of active current limliting and carrier wave, light compact, easy for installation, can realize the protection to overcurrent scene, avoids power grid safety accident, and antioverloading circuit is on fire, delays aging circuit, and detection data is comprehensive.
Description
Technical field
The utility model is related to AC line protection device technical fields, and in particular to one kind has active current limliting and carrier wave work(
The AC line protection device of energy.
Background technology
The safety accident of power grid happens occasionally, electric power wherein caused by the failures such as circuit overload, aging circuit, fiery zero short circuit
The major accidents such as fire occur, and cause great economic loss.
Power grid antioverloading is mainly protected by air switch at present, but overload cut-out protection domain is fixed, protection
Actuating range is too big, can lead to large-area power-cuts, especially to those moveable cable receptacles etc., in the situation of electricity consumption carelessness
It is even more helpless, field, detection, management domain is actively protected to also have in the presence of very big deficiency in circuit.
Utility model content
It is protected to solve the above problems, the utility model provides a kind of alternating current circuit with active current limliting and carrier wave
Protect device.
To achieve the above object, the technical solution that the utility model is taken is:One kind has the function of active current limliting and carrier wave
AC line protection device, including protector body, the protector body be equipped with power circuit input terminal and output terminal,
It is characterized in that:The protector body includes:Line current detection unit, line temperature detection unit, self- recoverage overcurrent are protected
Unit and central processing unit are protected, line current detection unit includes Hall current detection and voltage detecting, for detecting in real time
Electric current and voltage condition in circuit, line temperature detection unit include at least one thermocouple, selector switch and amplifier electricity
Road, the thermocouple welding make its exposed copper wire close proximity to cable on the input terminal or output terminal of protector body,
For accurately detecting line temperature, self- recoverage over-current protecting unit includes self-recovery current limiting resistance, overcurrent alarm indicator, limit
Connect after leakage resistance and specification encoder, the current-limiting resistance and the series connection of overcurrent alarm indicator with self-recovery current limiting resistor coupled in parallel
It connects, central processing unit includes AC/DC modules, voltage amplifier and controller, and the controller detects respectively with line current
Unit, line temperature detection unit are connected with self- recoverage over-current protecting unit, for collecting each unit data, control each unit it
Between cooperate.
Preferably, the self- recoverage over-current protecting unit is pluggable structure, and the line specificities that can be protected as needed are set
Count into different specifications.
Preferably, the self-recovery current limiting resistance uses nonlinear material temperature-sensitive ptc material, the overcurrent alarm indicator
It is set as bidirectional LED lamp.
Preferably, the line current detection unit is pluggable structure, the line specificities design that can be protected as needed
Into different specifications.
Preferably, the thermocouple is set as three, is respectively welded at zero firewire of protector body input terminal and defeated
On the firewire of outlet.
Preferably, carrier communication unit and safety utilization of electric power management system are further included, the carrier communication unit includes communication
Address module and carrier module, the mailing address module is connect respectively with controller and safety utilization of electric power management system, for complete
Data transmission between controller and safety utilization of electric power management system.
Preferably, the carrier module uses narrow band communication module, reserves the ability of broadband connections, is used to implement in family
Net.
Preferably, outside the protector body with plug, may connect to common cable in family, socket, socket,
The places such as main line.
The utility model has the advantages that:This kind has the function of the AC line protection of active current limliting and carrier wave
Device, it is light compact, it is easy for installation, it can realize the protection to overcurrent scene, avoid power grid safety accident, antioverloading circuit rises
Fire delays aging circuit, and detection data is comprehensive, and cooperation safety utilization of electric power management system can accomplish data visualization, identify in advance
Risk provides foundation for safety utilization of electric power and cable replacement.
Description of the drawings
Fig. 1 is the protector body internal structure schematic diagram of the utility model.
The connection diagram of the protector body of Fig. 2 the utility model and safety utilization of electric power management system.
Specific embodiment
In order to which the purpose of this utility model and advantage is more clearly understood, with reference to embodiments to the utility model into
Row is further described.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figs. 1-2, a kind of AC line with active current limliting and carrier wave that the utility model embodiment provides
Road protector, including protector body, protector body is equipped with the input terminal and output terminal of power circuit, input terminal and output
End is equipped with firewire and zero curve, and protector body includes:Line current detection unit, line temperature detection unit, self- recoverage mistake
Protection location and central processing unit are flowed, line current detection unit includes Hall current detection and voltage detecting, for real-time
Electric current and voltage condition, line temperature detection unit in detection circuit are put including at least one thermocouple, selector switch and sampling
Big circuit, thermocouple welding make its exposed copper wire close proximity to cable on the input terminal or output terminal of protector body,
For accurately detecting line temperature, self- recoverage over-current protecting unit includes self-recovery current limiting resistance, overcurrent alarm indicator, limit
It is connect after leakage resistance and specification encoder, current-limiting resistance and the series connection of overcurrent alarm indicator with self-recovery current limiting resistor coupled in parallel, in
Central Processing Unit include AC/DC modules, voltage amplifier and controller, controller respectively with line current detection unit, circuit
Temperature detecting unit is connected with self- recoverage over-current protecting unit, and for collecting each unit data, work is cooperateed between control each unit
To make, self- recoverage over-current protecting unit is pluggable structure, and the line specificities that can be protected as needed are designed to different specifications, from
Restore current-limiting resistance using nonlinear material temperature-sensitive ptc material, overcurrent alarm indicator is set as bidirectional LED lamp.
Protector body further includes carrier communication unit and safety utilization of electric power management system, and carrier communication unit is included communicatedly
Location module and carrier module, mailing address module are connect respectively with controller and safety utilization of electric power management system, for completing to control
Data transmission between device and safety utilization of electric power management system, carrier module use narrow band communication module, reserve the ability of broadband connections,
It is used to implement family online.
Self- recoverage over-current protecting unit can select 220V/3A, 220V/10A, 220V/16A, 220V/32A etc., use
100 kilo-ohms of current-limiting resistance and two-way LED lamp, different size have different specification encoders to carry out code identification, mainly there is 8
Slotting pointer and upper pull down resistor realize that different size correspondence has different empty needle, realize the combination of 01 coding, and this
Specifications parameter can give warning in advance for security system by sending to external security electricity system system and provide foundation.
Thermocouple is set as three in line temperature detection unit, is respectively welded at zero fire of protector body input terminal
On the firewire of line and output terminal, and make its exposed copper wire close proximity to cable, more accurate measurement line temperature reduces
Measurement error, the data of thermocouple acquisition correspond to amplifier circuit and are digitized respectively, and the result after digitlization passes through choosing
Road device gives central processing unit.
Line current detection unit is pluggable structure, and the line specificities that can be protected as needed are designed to different rule
Lattice are mainly made of, open loop detection, band Hall current detection series ACS712, ACS758, accessory power supply, voltage detecting circuit
Wide, strong antijamming capability, detection curent change is converted into voltage signal according to 0.1V/A, is sent after voltage amplifier amplifies
To central processing unit, sent after being handled by controller by mailing address module to safety utilization of electric power and manage system as active process
Basic data, these data include but not limited to electric current early warning, and electric current is shown, aging circuit degree anticipation etc..
AC220V single-phase electricities are converted to 3.3V or 2.5V direct currents as center by central processing unit by AC/DC modules
Processing unit and its each functional unit power supply that is connected, controller use arm processor or dsp controller, are saved for collecting
Point data controls each component to cooperate, while completes the data interaction with safety utilization of electric power management system.
With plug outside protector body, the ground such as common cable, socket, socket, main line in the family can be passed through
Side's concatenation installation, it is easy for installation.
Total described, the utility model device is light compact, easy for installation, can realize the protection to overcurrent scene, keep away
Exempt from power grid safety accident, antioverloading circuit is on fire, delays aging circuit, and detection data is comprehensive, cooperation safety utilization of electric power management system
It can accomplish data visualization, identify risk in advance, foundation is provided for safety utilization of electric power and cable replacement.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of AC line protection device with active current limliting and carrier wave, including protector body, the protector sheet
Body is equipped with the input terminal and output terminal of power circuit, it is characterised in that:The protector body includes:
Line current detection unit, including Hall current detection and voltage detecting, for detecting the electric current and electricity in circuit in real time
Pressure situation;
Line temperature detection unit, including at least one thermocouple, selector switch and amplifier circuit, the thermocouple welding exists
On the input terminal or output terminal of protector body, and make its exposed copper wire close proximity to cable, for accurately detecting circuit
Temperature;
Self- recoverage over-current protecting unit is encoded including self-recovery current limiting resistance, overcurrent alarm indicator, current-limiting resistance and specification
It is connect after device, the current-limiting resistance and the series connection of overcurrent alarm indicator with self-recovery current limiting resistor coupled in parallel;
Central processing unit, including AC/DC modules, voltage amplifier and controller, the controller is examined respectively with line current
Survey unit, line temperature detection unit are connected with self- recoverage over-current protecting unit, for collecting each unit data, control each unit
Between cooperate.
2. a kind of AC line protection device with active current limliting and carrier wave according to claim 1, feature exist
In:The self- recoverage over-current protecting unit is pluggable structure, and the line specificities that can be protected as needed are designed to different rule
Lattice.
3. a kind of AC line protection device with active current limliting and carrier wave according to claim 2, feature exist
In:The self-recovery current limiting resistance uses nonlinear material temperature-sensitive ptc material, and the overcurrent alarm indicator is set as two-way LED
Lamp.
4. a kind of AC line protection device with active current limliting and carrier wave according to claim 1, feature exist
In:The line current detection unit is pluggable structure, and the line specificities that can be protected as needed are designed to different specifications.
5. a kind of AC line protection device with active current limliting and carrier wave according to claim 1, feature exist
In:The thermocouple is set as three, is respectively welded on zero firewire of protector body input terminal and the firewire of output terminal.
6. a kind of AC line protection with active current limliting and carrier wave according to any one in claim 1-5
Device, it is characterised in that:Carrier communication unit and safety utilization of electric power management system are further included, the carrier communication unit is included communicatedly
Location module and carrier module, the mailing address module is connect respectively with controller and safety utilization of electric power management system, for completing
Data transmission between controller and safety utilization of electric power management system.
7. a kind of AC line protection device with active current limliting and carrier wave according to claim 6, feature exist
In:The carrier module uses narrow band communication module, reserves the ability of broadband connections, is used to implement family online.
8. a kind of AC line protection device with active current limliting and carrier wave according to claim 7, feature exist
In:With plug outside the protector body, common cable, socket, socket and main line in family may connect to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721799075.6U CN207588116U (en) | 2017-12-21 | 2017-12-21 | A kind of AC line protection device with active current limliting and carrier wave |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721799075.6U CN207588116U (en) | 2017-12-21 | 2017-12-21 | A kind of AC line protection device with active current limliting and carrier wave |
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Publication Number | Publication Date |
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CN207588116U true CN207588116U (en) | 2018-07-06 |
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CN201721799075.6U Active CN207588116U (en) | 2017-12-21 | 2017-12-21 | A kind of AC line protection device with active current limliting and carrier wave |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109193273A (en) * | 2018-09-27 | 2019-01-11 | 江苏史利姆智能测控技术有限公司 | A kind of safeguard protection intelligent socket |
-
2017
- 2017-12-21 CN CN201721799075.6U patent/CN207588116U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109193273A (en) * | 2018-09-27 | 2019-01-11 | 江苏史利姆智能测控技术有限公司 | A kind of safeguard protection intelligent socket |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220602 Address after: 528225 6th floor, block B, park, No. 39, Keji East Road, Shishan Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Lanxing Energy Technology Co.,Ltd. Address before: 518000 East 711, building 2, Saige Science Park, HUAFA North Road, Futian, Shenzhen, Guangdong Patentee before: Wang Huaping |