CN207638404U - A kind of electric monitoring device - Google Patents
A kind of electric monitoring device Download PDFInfo
- Publication number
- CN207638404U CN207638404U CN201721509907.6U CN201721509907U CN207638404U CN 207638404 U CN207638404 U CN 207638404U CN 201721509907 U CN201721509907 U CN 201721509907U CN 207638404 U CN207638404 U CN 207638404U
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- unit
- electric
- service wire
- module
- monitoring device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of electric monitoring devices, solve after a loss of power, and user often forgets to close electrical appliance；When power system recovery is powered, the voltage fluctuation in the short time in electric system is very big；If the voltage is loaded directly on electrical appliance, the problem of certain damage being caused to electrical appliance, its key points of the technical solution are that, including service wire, service wire is connected with electric energy meter, electric energy meter is coupled with power supply box, and it includes monitoring unit, execution unit and switch unit to be equipped in power supply box, and user being capable of safety utilization of electric power after achieving the purpose that power system recovery stable power-supplying.
Description
Technical field
The utility model is related to electric fireproof technical field, more particularly to a kind of electric monitoring device.
Background technology
Electric fireproof monitoring device is real-time to electrical safeties hidden danger such as overload current, cable excess temperature, improper Leakage Currents
Monitoring, and be accurately positioned, it is widely used in the fields such as family, civil buildings, industrial early stage fire-fighting.
Electric system is broken down and is powered off.After a loss of power, user often forgets to close electrical appliance；Work as electric system
When restoring electricity, the voltage fluctuation in the short time in electric system is very big；It, can be right if the voltage is loaded directly on electrical appliance
Electrical appliance causes certain damage.
Utility model content
The purpose of this utility model is to provide a kind of electric monitoring device, has user after power system recovery stable power-supplying
Can safety utilization of electric power the advantages of.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of electric monitoring dress
Set, including service wire, service wire is connected with electric energy meter, and electric energy meter is coupled with power supply box, be equipped in power supply box include monitoring unit,
Execution unit and switch unit；
Monitoring unit, the power quality of the circuit for detecting service wire, service wire are connected to monitoring unit；Monitoring unit
Including current acquisition module, for detecting service wire input current in real time；Monitoring unit includes voltage acquisition module, for real-time
Detect service wire input voltage；
Execution unit, the closure for controlling switch unit, is connected with monitoring unit, if monitoring unit detection service wire
The power quality of circuit meets the requirements, then execution unit control switch unit is closed；
Switch unit, the switching of the break-make for controlling service wire.
Preferably, switch unit includes：
Silicon controlled module, silicon controlled module and monitoring unit, execution unit are connected；
IGBT module, IGBT module and silicon controlled module, execution unit are connected；
Auxiliary power module for providing direction current signal, auxiliary power module and IGBT module, silicon controlled module
It is connected.
Preferably, switch unit be a bidirectional triode thyristor or be two reverse parallel connections one-way SCR.
Preferably, further include a resistance and a capacitance, resistance and capacitance are connected with the silicon controlled module.
Preferably, current acquisition module is Hall current sensor.
Preferably, execution unit is a MCU.
Preferably, MCU is coupled with NPN triode, the emitter ground connection of NPN triode, the collector coupling of NPN triode
It is the normally opened contact of relay to have the coil of relay, the other end input control voltage of coil, switch unit.
By using above-mentioned technical proposal, electric system starts to restore electricity, and current acquisition module constantly acquires service wire
Current data, and collected current data is driven into execution unit, execution unit judges whether current data normal, if
Abnormal, execution unit does not send out signal to switch unit, and switch unit is in the state disconnected, if power system power supply is normal
, then execution unit will send out signal to switch unit, switch unit is closed, and the electrical appliance of user can be used normally, in turn
Reduce influence of the power quality difference of electric system to electrical appliance.
In conclusion the utility model has the advantages that：
1, the protection circuit can protect the electrical appliance of user to be damaged；
2, the protection circuit safety is reliable, protects user's property safety.
Generally speaking the utility model keeps user power utilization safer, reduces influence of the electric system to household electrical appliance.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the partial circuit schematic diagram in power supply box in embodiment one；
Fig. 3 is the partial circuit schematic diagram in power supply box in embodiment two.
Reference numeral：1, service wire；2, electric energy meter；3, power supply box；31, monitoring unit；32, execution unit；33, switch is single
Member；331, silicon controlled module；332, IGBT module；333, auxiliary power module.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one：A kind of electric monitoring device, as depicted in figs. 1 and 2, including service wire 1, service wire 1 are connected with electricity
Energy table 2, electric energy meter 2 are coupled with power supply box 3, monitoring unit 31, execution unit 32 and switch unit 33 are equipped in power supply box 3.
Monitoring unit 31, the power quality of the circuit for detecting service wire 1, service wire 1 are connected to monitoring unit 31；Prison
It includes current acquisition module to control unit 31, for detecting 1 input current of service wire in real time.Current acquisition module passes for Hall current
Sensor.31 collected current signal of monitoring unit is stable, and the variation of electric current can be fluctuated in defined range, then service wire
1 conducting.Hall current sensor has the excellent linearity and reliable reaction speed.Monitoring unit 31 includes voltage acquisition mould
Block, for detecting 1 input voltage of service wire in real time.
Execution unit 32, the closure for controlling switch unit 33 are connected with monitoring unit 31, if monitoring unit 31 detects
The power quality of the circuit of service wire 1 meets the requirements, then execution unit 32 controls switch unit 33 and is closed；Execution unit 32 is one
MCU.MCU be used for calculation process, display, communication etc. functions, MCU may be used more semiconductor manufacturers offer microcontroller,
The devices such as ARM, DSP, FPGA.
Switch unit 33, the switching of the break-make for controlling service wire 1.Switch unit 33 includes：Silicon controlled module 331,
Silicon controlled module 331 is connected with monitoring unit 31, execution unit 32；IGBT module 332, IGBT module 332 and silicon controlled module
331, execution unit 32 is connected；Auxiliary power module 333 for providing direction current signal, auxiliary power module 333 with
IGBT module 332, silicon controlled module 331 are connected.Silicon controlled module 331 is a bidirectional triode thyristor or is two reverse parallel connections
One-way SCR.Power-off electrical protection circuit further includes a resistance R and a capacitance C, resistance R and capacitance C and silicon controlled module
331 are connected.
Use process and its principle：Electric system starts to restore electricity, and current acquisition module constantly acquires the electricity of service wire 1
Flow data, and collected current data is driven into execution unit 32, execution unit 32 judges whether current data is normal, if
Abnormal, execution unit 32 does not send out signal to switch unit 33, and switch unit 33 is in the state disconnected, if electric system supplies
Electricity is normal, then execution unit 32 will send out signal to switch unit 33, and switch unit 33 is closed, and the electrical appliance of user can be just
It is often used, and then reduces influence of the power quality difference of electric system to electrical appliance.
Embodiment two：Difference lies in switch units 33 with embodiment one, as shown in figure 3, MCU is connected to tri- poles NPN
The emitter of pipe Q, NPN triode Q are grounded, and the collector of NPN triode Q is coupled with the coil KM of relay, and coil KM's is another
Outer one end input control voltage VCC, switch unit 33 are the normally opened contact km-1 of relay.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (7)
1. a kind of electric monitoring device, including service wire (1), service wire (1) is connected with electric energy meter (2), and electric energy meter (2) is coupled with
Power supply box (3), which is characterized in that it includes monitoring unit (31), execution unit (32) and switch unit to be equipped in power supply box (3)
(33)；
Monitoring unit (31), the power quality of the circuit for detecting service wire (1), service wire (1) are connected to monitoring unit
(31)；Monitoring unit (31) includes current acquisition module, for detecting service wire (1) input current in real time；Monitoring unit (31)
Including voltage acquisition module, for detecting service wire (1) input voltage in real time；
Execution unit (32), the closure for controlling switch unit (33) are connected with monitoring unit (31), if monitoring unit (31)
The power quality of the circuit of detection service wire (1) meets the requirements, then execution unit (32) control switch unit (33) is closed；
Switch unit (33), the switching of the break-make for controlling service wire (1).
2. a kind of electric monitoring device according to claim 1, which is characterized in that switch unit (33) includes：
Silicon controlled module (331), silicon controlled module (331) and monitoring unit (31), execution unit (32) are connected；
IGBT module (332), IGBT module (332) and silicon controlled module (331), execution unit (32) are connected；
Auxiliary power module (333) for providing direction current signal, auxiliary power module (333) and IGBT module (332),
Silicon controlled module (331) is connected.
3. a kind of electric monitoring device according to claim 2, which is characterized in that switch unit (33) be one it is two-way can
Control silicon or the one-way SCR for two reverse parallel connections.
4. a kind of electric monitoring device according to claim 2, which is characterized in that further include a resistance and a capacitance, electricity
Resistance and capacitance are connected with the silicon controlled module (331).
5. a kind of electric monitoring device according to claim 1, which is characterized in that current acquisition module passes for Hall current
Sensor.
6. a kind of electric monitoring device according to claim 1, which is characterized in that execution unit (32) is a MCU.
7. a kind of electric monitoring device according to claim 6, which is characterized in that MCU is coupled with NPN triode, NPN tri-
The emitter of pole pipe is grounded, and the collector of NPN triode is coupled with the coil of relay, the other end input control electricity of coil
Pressure, switch unit (33) are the normally opened contact of relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509907.6U CN207638404U (en) | 2017-11-13 | 2017-11-13 | A kind of electric monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721509907.6U CN207638404U (en) | 2017-11-13 | 2017-11-13 | A kind of electric monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638404U true CN207638404U (en) | 2018-07-20 |
Family
ID=62856444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721509907.6U Active CN207638404U (en) | 2017-11-13 | 2017-11-13 | A kind of electric monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638404U (en) |
-
2017
- 2017-11-13 CN CN201721509907.6U patent/CN207638404U/en active Active
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