CN208571712U - Intelligent reclosing power supply protector - Google Patents
Intelligent reclosing power supply protector Download PDFInfo
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- CN208571712U CN208571712U CN201821293445.3U CN201821293445U CN208571712U CN 208571712 U CN208571712 U CN 208571712U CN 201821293445 U CN201821293445 U CN 201821293445U CN 208571712 U CN208571712 U CN 208571712U
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- 230000001012 protector Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 76
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of Intelligent reclosing power supply protectors, including current sampling circuit, leak electricity sample circuit, voltage sampling circuit, key circuit, single-chip microcontroller, drive circuit of magnetic latching relay, switching power circuit, Display and Alarm Circuit, RS485 communications transceiver circuit, the output end of the current sampling circuit, the output end of electric leakage sample circuit, the output end of voltage sampling circuit, the output end of key circuit is separately input to the input terminal of single-chip microcontroller, the output end of the single-chip microcontroller is separately connected the input terminal of drive circuit of magnetic latching relay, the input terminal of Display and Alarm Circuit, the input terminal of RS485 communications transceiver circuit, the output end of the switching power circuit is separately connected the input terminal of single-chip microcontroller, the input terminal of drive circuit of magnetic latching relay, the input terminal of Display and Alarm Circuit, RS485 is logical Believe the input terminal of transmission circuit.The power supply of this practical Intelligent reclosing power supply protector is stable, circuit level is high, strong antijamming capability and convenient for communication.
Description
Technical field
The utility model relates to a kind of protector more particularly to a kind of Intelligent reclosing power supply protectors.
Background technique
Intelligent reclosing power supply protector is succeeded in developing in conjunction with modern electronic technology new using mechanical automation principle
Generation high-tech safety utilization of electric power product, the protection function with essential electricals failures such as overvoltage, under-voltage, overcurrent/short circuit, electric leakages
Energy.And the power supply of existing Intelligent reclosing power supply protector is only by directly right after transformer pressure-reducing, rectification, filtering
What circuit was powered, as power supply protector, such power supply be it is insecure, when power supply will affect when something goes wrong
The normal operating conditions of protector, and traditional Intelligent reclosing power supply protector lacks warning function and communication function, works as hair
When raw line fault, subscribers' line cannot be reminded to break down at the first time, when being used for larger occasion, multiple intelligence weights are installed
Power switch protector is not easy to manage.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of power supply stabilization, there is warning function, circuit collection
High, strong antijamming capability and the Intelligent reclosing power supply protector convenient for communicating at degree.
In order to achieve the goal above, the utility model uses such a Intelligent reclosing power supply protector, including electric current
Sample circuit, electric leakage sample circuit, voltage sampling circuit, key circuit, single-chip microcontroller, drive circuit of magnetic latching relay, switch
Power circuit, Display and Alarm Circuit, RS485 communications transceiver circuit, output end, the electric leakage sample circuit of the current sampling circuit
Output end, the output end of voltage sampling circuit, the output end of key circuit be separately input to the input terminal of single-chip microcontroller, the list
It is logical that the output end of piece machine is separately connected the input terminal of drive circuit of magnetic latching relay, the input terminal of Display and Alarm Circuit, RS485
Believe the input terminal of transmission circuit, the output end of the switching power circuit is separately connected the input terminal of single-chip microcontroller, magnetic keeps relay
The input end of the input terminal of device driving circuit, the input terminal of Display and Alarm Circuit, RS485 communications transceiver circuit,
Wherein switching power circuit includes varistor Rv1, varistor Rv2, varistor Rv3, resistance R9, rectifier bridge
D4, capacitor C7, capacitor C8, capacitor C10, capacitor C11, power switch chip U1, Schottky diode D5, Schottky diode
D6, inductance L1, the both ends of the varistor Rv1 are separately connected firewire and zero curve, and one end of varistor Rv1 is separately connected pressure
One end of quick resistance Rv2 and the ac input end of rectifier bridge D4, the other end of varistor Rv1 are separately connected varistor Rv3
One end and resistance R9 one end, the other end of resistance R9 is connected to the ac input end of rectifier bridge D4, and varistor Rv2's is another
One end of the other end common ground connection of one end and varistor Rv3, the capacitor C7, capacitor C8 series connection, capacitor C7 connects rectification
The positive output end of bridge D4, the negative output terminal of one end connection rectifier bridge D4 of capacitor C8, the positive output end connection of the rectifier bridge D4
The input terminal of power switch chip U1, one end of the capacitor C10 are separately connected HVDD pin and Xiao of power switch chip U1
The cathode of special based diode D6, the other end of capacitor C10 are separately connected the GND pin of power switch chip U1, two pole of Schottky
One end of the cathode of pipe D5, inductance L1, the other end of the inductance L1 are separately connected the anode and capacitor of Schottky diode D6
One end of C11, the anode of Schottky diode D5 are separately connected the other end and ground of capacitor C11, and Schottky diode D6 is just
Pole exports stable 12V DC power supply.
The power supply of above-mentioned Intelligent reclosing power supply protector is powered using Switching Power Supply inlet wire, protects Intelligent reclosing power supply
The power supply of shield device is reliably, circuit to be protected not to be affected because of the fluctuation of external communication voltage, and pass through RS485
Communications transceiver circuit is able to achieve external group-net communication, and the place more concentrated especially is used in Intelligent reclosing power supply protector,
Real-time monitoring can be realized by RS485 bus, have and communicate convenient, fast advantage.
This is practical, and to be further arranged to switching power circuit further include isolated reduction voltage circuit and non-isolated reduction voltage circuit,
The isolated reduction voltage circuit includes the input terminal connection of isolated power supply module U4 and capacitor C12, the isolated power supply module U4
The 12V DC power supply of the anode output of Schottky diode D6, the both ends of capacitor C12 are separately connected the defeated of isolated power supply module U4
Outlet, the output end of isolated power supply module U4 export steady dc voltage sVCC, and the non-isolated reduction voltage circuit includes electricity
Hold C4, capacitor C6, capacitor C7, voltage-stablizer U5, the capacitor C4 one end be separately connected the input terminal and 12V DC of voltage-stablizer U5
Voltage, the other end ground connection of capacitor C4, capacitor C6 and capacitor C7 are in parallel, the output end of one end connection voltage-stablizer U5 of capacitor C6,
The other end of capacitor C6 is grounded, and the output end of voltage-stablizer U5 exports stable 5V DC voltage.
Above-mentioned 12V DC voltage exports DC voltage by isolated reduction voltage circuit and non-isolated reduction voltage circuit respectively
SVCC and 5V DC voltage provides required suitable operating voltage for other circuits, passes through the DC voltage after isolated buck
SVCC power supply can guarantee to work independently between modules circuit, will not interfere with each other.
This practical RS485 communications transceiver circuit that is further arranged to includes optocoupler U2, optocoupler U3, resistance R16~R25, three
One end connection 5V DC voltage of pole pipe Q5, transceiver U6, interface J5, the resistance R17, the other end of resistance R17 connect respectively
The collector of optocoupler U3 and the input terminal of single-chip microcontroller, the emitter ground connection of optocoupler U3 are connect, the anode of optocoupler U3 connects DC voltage
One end of the cathode connection resistance R20 of sVCC, optocoupler U3, the RO pin of the other end connection transceiver U6 of resistance R20, the electricity
The one end for hindering R18 connects DC voltage sVCC, and the other end of resistance R18 is separately connected the collector and transceiver U6 of triode Q5
RE pin, DE pin, triode Q5 emitter ground connection, triode Q5 base stage connection resistance R21 one end, resistance R21
Other end connection transceiver U6 DI pin, the anode of the optocoupler U2 connects 5V DC voltage, one end connection of resistance R16
The cathode of optocoupler U2, the output end of the other end connection single-chip microcontroller of resistance R16, one end of resistance R19 connect DC voltage sVCC,
The other end of resistance R19 is separately connected the collector of optocoupler U2 and the DI pin of transceiver U6, the emitter ground connection of optocoupler U2, institute
The VCC pin connection DC voltage sVCC of transceiver U6 is stated, the B pin of transceiver U6 is separately connected one end and the electricity of resistance R24
One end of R23, the other end ground connection of resistance R23 are hindered, the A pin of transceiver U6 is separately connected one end and the resistance R25 of resistance R22
One end, the other end of resistance R22 connects DC voltage sVCC, and the other end of resistance R24 and the other end of resistance R25 connect respectively
It is connected on interface J5.
Above-mentioned RS485 communications transceiver circuit realizes Intelligent reclosing power supply protector and external communication, and passes through optocoupler
U2, optocoupler U3 realize sending and receiving for data, guarantee the one-way transmission of signal, improve the anti-of RS485 communications transceiver circuit
Interference performance.
This practical electric leakage sample circuit that is further arranged to includes diode D1, resistance R1~R4, capacitor C3, two pole
Pipe D1, resistance R1, resistance R4 are sequentially connected in series, the anode connection zero curve of diode D1, the resistance R2 and resistance R3 series connection, resistance
One end of one end connection resistance R4 of R2, one end ground connection of resistance R3, the other end of one end connection resistance R4 of capacitor C3, capacitor
The other end of C3 is grounded, and the other end of resistance R4 is connected to the input terminal of single-chip microcontroller.
Above-mentioned electric leakage sample circuit detects leakage current, circuit components by having no current on detection zero curve circuit
It is few, reduce cost.
This practical Display and Alarm Circuit that is further arranged to includes digital pipe display circuit, indicator light circuit, buzzer electricity
Road, the input terminal of the digital pipe display circuit, the input terminal of LED light circuit, buzzer circuit input terminal connect respectively
It is connected to the output end of single-chip microcontroller.
Above-mentioned digital pipe display circuit can show the display of electric current, voltage, data of leaking electricity, indicator light circuit, buzzer electricity
Road can alarm come the failure for reminding subscriber's line circuit to occur.
This practical model STC8A8K64S4A12 for being further arranged to single-chip microcontroller, the model of power switch chip U1
The model MB6S of SM7055-12, rectifier bridge D4.
The SCM anti-interference ability of above-mentioned model STC8A8K64S4A12 is strong, at low cost, model SM7055-12's
The switching power circuit component that power switch chip is constituted is few, keeps the integrated level of circuit high.
This practical model B1205S-1W for being further arranged to isolated power supply module U4.
The isolated power supply module of above-mentioned model B1205S-1W has the advantages that high-efficient, ultralow ripple.
This practical model BL3085 for being further arranged to transceiver U6.
The transceiver U6 of above-mentioned model BL3085 have the characteristics that it is low in energy consumption, due to there is higher reception input impedance,
So that can at most support 256 transceivers in bus, i.e., bus can support the logical of sufficient amount Intelligent reclosing power supply protector
Letter.
Detailed description of the invention
Fig. 1 is the utility model embodiment functional-block diagram.
Fig. 2 is the utility model embodiment partial switch power circuit principle figure.
Fig. 3 is the isolated reduction voltage circuit schematic diagram of the utility model embodiment.
Fig. 4 is the non-isolated reduction voltage circuit schematic diagram of the utility model embodiment.
Fig. 5 is the utility model embodiment RS485 communications transceiver circuit schematic diagram.
Fig. 6 is the utility model embodiment electric leakage sample circuit schematic diagram.
Fig. 7 is the utility model embodiment buzzer circuit schematic diagram.
Fig. 8 is the utility model embodiment digital pipe display circuit schematic diagram.
Fig. 9 is the utility model embodiment LED light circuit diagram.
Figure 10 is the utility model embodiment single chip circuit schematic diagram.
Specific embodiment
As shown in Fig. 1,2,10, the utility model is a kind of Intelligent reclosing power supply protector, including current sampling circuit,
Leak electricity sample circuit, voltage sampling circuit, key circuit, single-chip microcontroller, drive circuit of magnetic latching relay, switching power circuit,
Display and Alarm Circuit, RS485 communications transceiver circuit, the output end of the current sampling circuit, the sample circuit that leaks electricity output end,
The output end of voltage sampling circuit, the output end of key circuit are separately input to the input terminal of single-chip microcontroller, the single-chip microcontroller it is defeated
Outlet is separately connected the input terminal of drive circuit of magnetic latching relay, the input terminal of Display and Alarm Circuit, RS485 transceiver communication electricity
The input terminal on road, the output end of the switching power circuit are separately connected the input terminal of single-chip microcontroller, magnetic latching relay driving electricity
The input terminal on road, the input terminal of Display and Alarm Circuit, RS485 communications transceiver circuit input terminal, the model of single-chip microcontroller
STC8A8K64S4A12,
Wherein switching power circuit includes varistor Rv1, varistor Rv2, varistor Rv3, resistance R9, rectifier bridge
D4, capacitor C7, capacitor C8, capacitor C10, capacitor C11, power switch chip U1, Schottky diode D5, Schottky diode
D6, inductance L1, the model MB6S of the model SM7055-12 of power switch chip U1, rectifier bridge D4, the varistor
The both ends of Rv1 are separately connected firewire and zero curve, and one end of varistor Rv1 is separately connected one end and the rectification of varistor Rv2
The ac input end of bridge D4, the other end of varistor Rv1 are separately connected one end of varistor Rv3 and one end of resistance R9,
The other end of resistance R9 is connected to the ac input end of rectifier bridge D4, and the other end of varistor Rv2 and varistor Rv3's is another
One end common ground connection, the capacitor C7, capacitor C8 series connection, the positive output end of one end connection rectifier bridge D4 of capacitor C7, capacitor C8
One end connection rectifier bridge D4 negative output terminal, the rectifier bridge D4 positive output end connection power switch chip U1 input
End, one end of the capacitor C10 are separately connected the HVDD pin of power switch chip U1 and the cathode of Schottky diode D6, electricity
Hold C10 the other end be separately connected the GND pin of power switch chip U1, the cathode of Schottky diode D5, inductance L1 one
End, the other end of the inductance L1 are separately connected anode and one end of capacitor C11 of Schottky diode D6, Schottky diode
The anode of D5 is separately connected the other end and ground of capacitor C11, and the anode of Schottky diode D6 exports stable 12V DC electricity
Source.
As shown in Figure 3,4, switching power circuit further includes isolated reduction voltage circuit and non-isolated reduction voltage circuit, it is described every
It include isolated power supply module U4 and capacitor C12 from formula reduction voltage circuit, the model B1205S-1W of isolated power supply module U4 is described
The 12V DC power supply of the anode output of the input terminal connection Schottky diode D6 of isolated power supply module U4, the both ends of capacitor C12
It is separately connected the output end of isolated power supply module U4, the output end of isolated power supply module U4 exports steady dc voltage sVCC,
The non-isolated reduction voltage circuit includes capacitor C4, capacitor C6, capacitor C7, voltage-stablizer U5, and one end of the capacitor C4 connects respectively
The input terminal and 12V DC voltage of voltage-stablizer U5 are connect, the other end ground connection of capacitor C4, capacitor C6 and capacitor C7 are in parallel, capacitor C6
One end connection voltage-stablizer U5 output end, capacitor C6 the other end ground connection, it is straight that the output end of voltage-stablizer U5 exports stable 5V
Galvanic electricity pressure.
As shown in figure 5, RS485 communications transceiver circuit includes optocoupler U2, optocoupler U3, resistance R16~R25, triode Q5, receives
Device U6, interface J5 are sent out, one end of the model BL3085, the resistance R17 of transceiver U6 connect 5V DC voltage, resistance R17
The other end be separately connected the collector of optocoupler U3 and the input terminal of single-chip microcontroller, the emitter ground connection of optocoupler U3, the sun of optocoupler U3
Pole connects DC voltage sVCC, one end of the cathode connection resistance R20 of optocoupler U3, and the other end of resistance R20 connects transceiver U6
RO pin, one end of the resistance R18 connects DC voltage sVCC, and the other end of resistance R18 is separately connected triode Q5's
The RE pin of collector and transceiver U6, DE pin, the emitter ground connection of triode Q5, the base stage of triode Q5 connect resistance
One end of R21, the DI pin of the other end connection transceiver U6 of resistance R21, the anode of the optocoupler U2 connect 5V DC voltage,
The cathode of one end connection optocoupler U2 of resistance R16, the output end of the other end connection single-chip microcontroller of resistance R16, one end of resistance R19
DC voltage sVCC is connected, the other end of resistance R19 is separately connected the collector of optocoupler U2 and the DI pin of transceiver U6, optocoupler
The emitter of U2 is grounded, and the VCC pin of the transceiver U6 connects DC voltage sVCC, and the B pin of transceiver U6 is separately connected
One end of resistance R24 and one end of resistance R23, the other end ground connection of resistance R23, the A pin of transceiver U6 are separately connected resistance
The other end of one end of R22 and one end of resistance R25, resistance R22 connects DC voltage sVCC, the other end and electricity of resistance R24
The other end of resistance R25 is connected respectively on interface J5.
As shown in fig. 6, electric leakage sample circuit includes diode D1, resistance R1~R4, capacitor C3, the diode D1, electricity
Resistance R1, resistance R4 are sequentially connected in series, the anode connection zero curve of diode D1, the resistance R2 and resistance R3 series connection, and the one of resistance R2
One end of end connection resistance R4, one end ground connection of resistance R3, the other end of one end connection resistance R4 of capacitor C3, capacitor C3's is another
One end ground connection, the other end of resistance R4 are connected to the input terminal of single-chip microcontroller.
As shown in Fig. 7,8,9, Display and Alarm Circuit includes digital pipe display circuit, indicator light circuit, buzzer circuit, institute
State the input terminal of digital pipe display circuit, the input terminal of LED light circuit, buzzer circuit input terminal be connected respectively to list
The output end of piece machine.
According to above embodiments, the utility model Intelligent reclosing power supply protector uses Switching Power Supply for entire protector
Power supply, so that Intelligent reclosing power supply protector reliable operation, strong antijamming capability, and have RS485 communications transceiver circuit, energy
It is connected in external RS485 bus and forms networking, convenient for communication, each circuit level is high, reduces production cost, display alarm
The charactron of circuit can show that real time data, LED light instruction protector working condition, buzzer carry out fault alarm.
Claims (8)
1. a kind of Intelligent reclosing power supply protector, including current sampling circuit, electric leakage sample circuit, voltage sampling circuit, press
Key circuit, single-chip microcontroller, drive circuit of magnetic latching relay, it is characterised in that: the Intelligent reclosing power supply protector further includes
Switching power circuit, Display and Alarm Circuit, RS485 communications transceiver circuit, the output end of the current sampling circuit, electric leakage sampling
The output end of circuit, the output end of voltage sampling circuit, key circuit output end be separately input to the input terminal of single-chip microcontroller, institute
State single-chip microcontroller output end be separately connected the input terminal of drive circuit of magnetic latching relay, Display and Alarm Circuit input terminal,
The input terminal of RS485 communications transceiver circuit, the output end of the switching power circuit is separately connected the input terminal of single-chip microcontroller, magnetic is protected
The input terminal of the input terminal of relay drive circuit, the input terminal of Display and Alarm Circuit, RS485 communications transceiver circuit is held,
Wherein switching power circuit include varistor Rv1, varistor Rv2, varistor Rv3, resistance R9, rectifier bridge D4,
Capacitor C7, capacitor C8, capacitor C10, capacitor C11, power switch chip U1, Schottky diode D5, Schottky diode D6, electricity
Feel L1, the both ends of the varistor Rv1 are separately connected firewire and zero curve, and one end of varistor Rv1 is separately connected pressure-sensitive electricity
One end of Rv2 and the ac input end of rectifier bridge D4 are hindered, the other end of varistor Rv1 is separately connected the one of varistor Rv3
The one end at end and resistance R9, the other end of resistance R9 are connected to the ac input end of rectifier bridge D4, the other end of varistor Rv2
Rectifier bridge D4 is connected with one end of the other end common ground connection of varistor Rv3, the capacitor C7, capacitor C8 series connection, capacitor C7
Positive output end, the negative output terminal of one end connection rectifier bridge D4 of capacitor C8, the positive output end of the rectifier bridge D4 connects power
The input terminal of switch chip U1, one end of the capacitor C10 are separately connected the HVDD pin and Schottky of power switch chip U1
The cathode of diode D6, the other end of capacitor C10 are separately connected the GND pin of power switch chip U1, Schottky diode D5
Cathode, inductance L1 one end, the other end of the inductance L1 is separately connected the anode and capacitor C11 of Schottky diode D6
One end, the anode of Schottky diode D5 are separately connected the other end and ground of capacitor C11, the anode output of Schottky diode D6
Stable 12V DC power supply.
2. Intelligent reclosing power supply protector according to claim 1, it is characterised in that: the switching power circuit also wraps
Isolated reduction voltage circuit and non-isolated reduction voltage circuit are included, the isolated reduction voltage circuit includes isolated power supply module U4 and capacitor
The 12V DC power supply of the anode output of the input terminal connection Schottky diode D6 of C12, the isolated power supply module U4, capacitor
The both ends of C12 are separately connected the output end of isolated power supply module U4, and the output end of isolated power supply module U4 exports stable direct current
Voltage sVCC, the non-isolated reduction voltage circuit include capacitor C4, capacitor C6, capacitor C7, voltage-stablizer U5, and the one of the capacitor C4
End is separately connected the input terminal and 12V DC voltage of voltage-stablizer U5, and the other end ground connection of capacitor C4, capacitor C6 and capacitor C7 are simultaneously
Connection, the output end of one end connection voltage-stablizer U5 of capacitor C6, the output end output of the other end ground connection of capacitor C6, voltage-stablizer U5 are steady
Fixed 5V DC voltage.
3. Intelligent reclosing power supply protector according to claim 2, it is characterised in that: the RS485 transceiver communication electricity
Road includes one end company of optocoupler U2, optocoupler U3, resistance R16~R25, triode Q5, transceiver U6, interface J5, the resistance R17
5V DC voltage is connect, the other end of resistance R17 is separately connected the collector of optocoupler U3 and the input terminal of single-chip microcontroller, the hair of optocoupler U3
Emitter grounding, the anode of optocoupler U3 connect DC voltage sVCC, and the cathode of optocoupler U3 connects one end of resistance R20, resistance R20's
The other end connects the RO pin of transceiver U6, and one end of the resistance R18 connects DC voltage sVCC, the other end of resistance R18
It is separately connected the collector of triode Q5 and the RE pin of transceiver U6, DE pin, the emitter ground connection of triode Q5, triode
One end of the base stage connection resistance R21 of Q5, the DI pin of the other end connection transceiver U6 of resistance R21, the sun of the optocoupler U2
Pole connects 5V DC voltage, the cathode of one end connection optocoupler U2 of resistance R16, and the other end of resistance R16 connects the defeated of single-chip microcontroller
One end of outlet, resistance R19 connects DC voltage sVCC, and the other end of resistance R19 is separately connected the collector and receipts of optocoupler U2
The DI pin of device U6, the emitter ground connection of optocoupler U2 are sent out, the VCC pin of the transceiver U6 connects DC voltage sVCC, transmitting-receiving
The B pin of device U6 is separately connected one end of resistance R24 and one end of resistance R23, the other end ground connection of resistance R23, transceiver U6
A pin be separately connected one end of resistance R22 and one end of resistance R25, the other end of resistance R22 connects DC voltage sVCC,
The other end of resistance R24 and the other end of resistance R25 are connected respectively on interface J5.
4. Intelligent reclosing power supply protector according to claim 2, it is characterised in that: the electric leakage sample circuit includes
Diode D1, resistance R1~R4, capacitor C3, the diode D1, resistance R1, resistance R4 are sequentially connected in series, the anode of diode D1
Connect zero curve, the resistance R2 and resistance R3 series connection, one end of one end connection resistance R4 of resistance R2, a termination of resistance R3
Ground, the other end of one end connection resistance R4 of capacitor C3, the other end ground connection of capacitor C3, the other end of resistance R4 are connected to monolithic
The input terminal of machine.
5. according to Intelligent reclosing power supply protector described in Claims 2 or 3 or 4, it is characterised in that: the display alarm electricity
Road includes digital pipe display circuit, indicator light circuit, buzzer circuit, the input terminal of the digital pipe display circuit, LED indication
The input terminal of circuit for lamp, the input terminal of buzzer circuit are connected respectively to the output end of single-chip microcontroller.
6. Intelligent reclosing power supply protector according to claim 1 or 2 or 3 or 4, it is characterised in that: the single-chip microcontroller
Model STC8A8K64S4A12, the model MB6S of the model SM7055-12 of power switch chip U1, rectifier bridge D4.
7. according to Intelligent reclosing power supply protector described in Claims 2 or 3 or 4, it is characterised in that: the isolated power supply mould
The model B1205S-1W of block U4.
8. Intelligent reclosing power supply protector according to claim 3, it is characterised in that: the model of the transceiver U6
BL3085。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293445.3U CN208571712U (en) | 2018-08-13 | 2018-08-13 | Intelligent reclosing power supply protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293445.3U CN208571712U (en) | 2018-08-13 | 2018-08-13 | Intelligent reclosing power supply protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208571712U true CN208571712U (en) | 2019-03-01 |
Family
ID=65450516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821293445.3U Active CN208571712U (en) | 2018-08-13 | 2018-08-13 | Intelligent reclosing power supply protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208571712U (en) |
-
2018
- 2018-08-13 CN CN201821293445.3U patent/CN208571712U/en active Active
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