CN201418067Y - Intelligent remote control switch with magnetic latching relay - Google Patents
Intelligent remote control switch with magnetic latching relay Download PDFInfo
- Publication number
- CN201418067Y CN201418067Y CN2009201305035U CN200920130503U CN201418067Y CN 201418067 Y CN201418067 Y CN 201418067Y CN 2009201305035 U CN2009201305035 U CN 2009201305035U CN 200920130503 U CN200920130503 U CN 200920130503U CN 201418067 Y CN201418067 Y CN 201418067Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- latching relay
- magnetic latching
- phase line
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Relay Circuits (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an intelligent remote control switch with a magnetic latching relay, which comprises a phase-line input terminal, a plurality of phase-line output terminals led out through the phase-line input terminal, a plurality of controlled switches respectively connected between the phase-line input terminal and each phase-line output terminal in series, a central controller forcontrolling the working state of each controlled switch, and a direct current power supply for supplying power to the central controller and the controlled switches. The phase-line output terminals comprises a first phase-line output terminal; the controlled switches comprise a first controlled switch connected between the first phase-line output terminal and the phase-line input terminal in series, and a feedback power supply circuit; switching elements for the first controlled switch and the feedback power supply circuit comprise a bidirectional thyristor and a photoelectric coupler; and switching elements for other controlled switches in the intelligent switch comprise a magnetic latching relay. By implementing the intelligent remote control switch with the magnetic latching relay, theutility model has the benefits that the intelligent remote control switch can be adapted for the load work of large or small power, and is more stable in work and higher in cost-performance ratio.
Description
Technical field
The utility model relates to a kind of switch of AC power, more particularly, relates to a kind of intelligent distant control switch with magnetic latching relay.
Background technology
Usually, all there is a switch to be connected between this consuming device and the AC power, is used to control the unlatching and the shutoff of this electrical appliance with the consuming device (for example bulb, fluorescent lamp etc.) of ac power supply.Conventional switch is to reach shutoff and the unlatching of controlling above-mentioned consuming device by disconnection and the connection of controlling mechanical contact.This mechanical switch in some cases (for example, occasions such as remote control), extremely inconvenient in the time of can not using or use, for example when the mechanical switch of the alternative good line of cloth, because mechanical switch only need just can be finished switching function (normally phase line) to one in phase line and the zero line, therefore only insert switch usually, and common remote control switch needs zero live wire to insert switch, though also have some electronic switches or remote control switch to begin gradually to use in practice at present with phase line.But these switches are owing to be subjected to the restriction of prior art, and its power consumption that need introduce zero line, control Driver Circuit and stand-by circuit itself is bigger, and cold the flashing that occur easily turning off the light resembles, so, its poor performance, job insecurity, and can not adapt to high power load.
The utility model content
The technical problems to be solved in the utility model is, at the deficiencies in the prior art, poor performance, job insecurity, and its institute can load-carrying lower-powered defective, and a kind of reliable operation (not needing the zero line insertion switch), function admirable, a kind of intelligent distant control switch with magnetic latching relay that carrying load ability is stronger are provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of intelligent distant control switch with magnetic latching relay, a plurality of phase line output terminals that comprise a phase line input, drawn by described phase line input, a plurality of master controller that is serially connected in controlled switch between described phase line input and described each phase line output terminal, described each the controlled switch operating state of control respectively, be the power supply of described master controller and the power supply of described controlled switch; Described phase line output terminal comprises the first phase line output terminal, described controlled switch comprises first controlled switch and the feedback power supply circuits that are serially connected between described first phase line output terminal and the described phase line input, the switch element of described first controlled switch and feedback power supply circuits comprises bidirectional triode thyristor and photoelectrical coupler, and the switch element of other controlled switchs in the described intelligent distant control switch comprises magnetic latching relay.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, described power supply comprise be attempted by between described phase line input and the described first phase line output terminal, to be used for when described first controlled switch and feedback power supply circuits disconnect be the standby power supply circuits of described master controller power supply; Being used for when described first controlled switch and the connection of feedback power supply circuits is the power supply component of described master controller power supply; Accumulator on the feedback power supply circuits output when being attempted by the described standby power supply circuits and first controlled switch and the connection of feedback power supply circuits for described magnetic latching relay power supply.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, described power supply also comprises filtering and voltage stabilizing circuit, feedback power supply circuits output when described standby power supply circuits and described first controlled switch and feedback power supply circuits are connected is connected the input of described filtering and voltage stabilizing circuit, and the output of described filtering and voltage stabilizing circuit is connected on the described master controller.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, described first controlled switch and feedback power supply circuits comprise bidirectional triode thyristor and photoelectrical coupler, described bidirectional triode thyristor main terminal is connected to described phase line input with first mutually on the line output terminal, and the control end of described bidirectional triode thyristor is connected with the control signal output ends of described master controller by photoelectrical coupler.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay; described first controlled switch and feedback power supply circuits are included in the photoelectrical coupler of conducting under the control signal effect of described master controller output; the main terminal of described photoelectrical coupler is connected on the control end of described first phase line output terminal and described bidirectional triode thyristor, is serially connected with protective resistance between described bidirectional triode thyristor control end and the described photoelectrical coupler main terminal.
In a kind of intelligent distant control switch with magnetic latching relay described in the utility model, described standby power supply circuits comprise the rectifier bridge, the vibration and the coupling circuit that are connected with described rectifier bridge dc output end that are connected on described phase line input and the described first phase line output terminal, are connected the rectifier cell between described vibration and coupling circuit output and filtering and the voltage stabilizing circuit input.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, also comprise the second phase line output terminal and third phase line output terminal, be connected in series the second magnetic latching relay switch and the 3rd magnetic latching relay switch between described second phase line output terminal and third phase line output terminal and the described phase line input respectively, described accumulator is described second magnetic latching relay and the power supply of the 3rd magnetic latching relay.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, described second magnetic latching relay switch and the 3rd magnetic latching relay switch comprise magnetic latching relay and drive circuit thereof respectively, the moving contact of described magnetic latching relay and fixed contact are connected between described phase line input and the phase line output terminal, and described magnetic latching relay coil is connected with the output of the control signal on each road of described master controller by drive circuit separately.
In a kind of intelligent distant control switch described in the utility model with magnetic latching relay, described accumulator comprises storage capacitor and charging resistor, described magnetic latching relay coil comprises the coil of band tap, the tap terminals of described band tapped coil is connected on the anode of described electric capacity, and two ends in addition of the coil of described band tap connect respectively with on the output of described master controller buck-boost control signal.
In a kind of intelligent distant control switch described in the utility model, also be connected with the wireless remote control receiver module that is used to receive remote signal on the described master controller with magnetic latching relay.
Implement a kind of intelligent distant control switch of the present utility model with magnetic latching relay, has following beneficial effect: because first controlled switch of this intelligent switch and feedback power supply circuits are to adopt controllable silicon as switch element, what adopted on other controlled switch road number is that magnetic latching relay is as switch element, its working stability, so the phase line output terminal of controlled switch control can adapt to the load of high or low power, makes that this switch work accommodation scope is wideer; Simultaneously, do not need the zero line insertion switch is made that application is more convenient, can directly replace the mechanical switch on wall of current use.
Description of drawings
Fig. 1 is the structural representation of a kind of intelligent distant control switch embodiment with magnetic latching relay of the utility model;
Fig. 2 is the circuit theory diagrams of described embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further.
As shown in Figure 1, in a kind of intelligent distant control switch embodiment of the utility model with magnetic latching relay, this switch comprises a phase line input IN, the first phase line output terminal OUT1, the second phase line output terminal OUT2 and the third phase line output terminal OUT3 of three phase line output terminals, between the above-mentioned phase line input IN and the first phase line output terminal OUT1, be in series with first controlled switch and feedback power supply circuits 4; Simultaneously, between the above-mentioned phase line input IN and the first phase line output terminal OUT1, be parallel with standby power supply circuits 31, the output of power supply circuits and the output of standby power supply circuits 31 all are connected to filtering and voltage stabilizing circuit 33 in first controlled switch and the feedback power supply circuits 4, and the output of filtering and voltage stabilizing circuit 33 provides the power supply of stable voltage output as master controller 1, the control signal of master controller 1 output is connected above-mentioned first controlled switch and feedback power supply circuits 4 again, controls the state of above-mentioned first controlled switch and feedback power supply circuits 4 as control signal.What deserves to be mentioned is that in the present embodiment, standby power supply circuits 31 need have load to be connected between phase line output terminal OUT1 and zero line and circuit could operate as normal when complete, this also is the precondition of switch work in the present embodiment.
In Fig. 1, also be serially connected with second controlled switch 5 and the 3rd controlled switch 6 between the second phase line output terminal OUT2, third phase line output terminal OUT3 and the phase line input IN respectively, above-mentioned second controlled switch 5 and the 3rd controlled switch 6 all are magnetic latching relays, comprise relay and drive circuit; Second controlled switch 5 is the same with first controlled switch with the 3rd controlled switch 6, be to be serially connected between phase line input IN and its corresponding phase line output terminal equally, under the control of master controller 1, the connection of second controlled switch 5 and the 3rd controlled switch 6 and disconnection make respectively and connect between above-mentioned phase line input and the second phase line output terminal and the third phase line output terminal and disconnection.Second controlled switch 5 and the 3rd controlled switch 6 are except the control signal of accepting above-mentioned master controller 1 output, and its power supply is also provided by accumulator 34; In Fig. 1, above-mentioned accumulator 34 is connected on the tie point of above-mentioned standby power supply circuits 31 and filtering and voltage stabilizing circuit 33, and its output is connected respectively to the power end of above-mentioned second controlled switch 5 and the 3rd controlled switch 6, for it provides power supply.Above-mentioned accumulator 34, standby power supply circuits 31 and filtering and the voltage stabilizing circuit 33 common power supplys that constitute in the present embodiment.In the present embodiment, the switch element of second controlled switch 5 and the 3rd controlled switch 6 is magnetic latching relays, and first controlled switch and feedback in the power supply circuits 4 are bidirectional triode thyristors, and the phase line output terminal of first controlled switch is serially connected with safety element, and the standby input of powering is connected the safety element front end.
In Fig. 1, on master controller 1, be connected with remote control receiver module 2, so this single-line switch is a multi-channel remote control switch.In the present embodiment, above-mentioned remote control receiver module 2 is RF remote-controlled receiver modules; In other embodiments, above-mentioned receiver of remote-control sytem also can be an infrared remote control receiver, certainly, also can not have receiver of remote-control sytem and only adopts button to control the output signal of above-mentioned master controller 1, thereby control the action of above-mentioned each controlled switch.
Fig. 2 is the circuit diagram of a kind of intelligent distant control switch with magnetic latching relay of present embodiment, as shown in Figure 2, in the present embodiment, standby power supply circuits 31 comprise that an one interchange end is connected on the above-mentioned first phase line output terminal OUT1 by the capacitor C 1 of serial connection, it is the front end of protective tube, another root is connected on the above-mentioned phase line input IN, the direct current anode of this rectifier bridge DT1 is connected to an end of the primary coil of transformer T1, the other end of primary coil is connected the collector electrode of transistor Q3, and the emitter of transistor Q3 is connected to the direct current negative terminal of above-mentioned rectifier bridge DT1 by resistance R 9; Between the direct current anode and direct current negative terminal of rectifier bridge DT1, be in series with resistance R 8, capacitor C 3 and inductance L 3 successively, the base stage of above-mentioned transistor Q3 is connected on the tie point of resistance R 8 and capacitor C 3, the secondary coil one end ground connection of above-mentioned transformer T1, the other end is connected the input of filtering and voltage stabilizing circuit as the output of standby power supply circuits 31 by rectifier diode D2.The input of filtering and voltage stabilizing circuit is by being attempted by voltage stabilizing didoe DW2 first order voltage stabilizing on it, oppositely being serially connected in voltage stabilizing didoe DW3 secondary step-down on the power input, after capacitor C 6 filtering, be serially connected in standby indicating lamp LED on the power input by forward again, be connected to the input of integrated regulator U2, the output of integrated regulator U1 offers master controller 1 through behind the capacitor filtering.
In the superincumbent description, mentioned the output of above-mentioned standby power supply circuits 31 and filtering and voltage stabilizing circuit 33 and all linked together, in Fig. 2, this tie point is marked as+VA.Because in the present embodiment, second controlled switch 5 and the 3rd controlled switch 6 all are to use relay as switch element, it needs bigger electric current in state exchange, and when hold mode is constant, the less electric current that even do not need of electric current that it needs, so also comprised accumulator 34 in the present embodiment, this accumulator 34 comprises resistance R 7 and electrochemical capacitor C4, on resistance R 7 one ends are connected above-mentioned+VA point, the other end is connected the positive pole of electrochemical capacitor C4, the minus earth of capacitor C 4; Simultaneously, on the output+VB of the positive pole of above-mentioned electrochemical capacitor C4 as accumulator, be connected the power end of above-mentioned second controlled switch 5 and the 3rd controlled switch 6, be its power supply.
Concrete structure at first controlled switch and feedback power supply circuits 4 describes below, and in Fig. 2, first controlled switch and feedback power supply circuits 4 comprise bidirectional triode thyristor Q1, voltage-stabiliser tube DW1, diode D1, transistor Q2, photoelectrical coupler U1 etc.; Wherein, the main terminal of bidirectional triode thyristor Q1 is connected to the phase line input IN and the first line output terminal OUT1 mutually, the control end of bidirectional triode thyristor Q1 is connected the anode of voltage stabilizing didoe DW1, simultaneously, this control end also pours into ground (the phase line input IN among Fig. 2) by resistance R 4 connections, and the negative pole of voltage stabilizing didoe DW1 is connected the positive pole of diode D1 by resistance R 3; The negative pole of diode D1 is connected to the input (being the tie point of recited above being marked as+VA) of filtering and voltage stabilizing circuit by resistance R 6, and two controllable silicon terminals of above-mentioned photoelectrical coupler U1 are connected to the anodal of diode D1 and are connected the first line output terminal OUT1 mutually by resistance R 1 simultaneously; The input anode of above-mentioned photoelectrical coupler U1 is connected to the input (be labeled as among Fig. 2+VA point) of power supply regulator circuit by resistance R 2, the light input negative terminal of photoelectrical coupler U1 is connected the collector electrode of transistor Q2, the grounded emitter of transistor Q2, its base stage are connected to the control signal output ends of master controller 1 by resistance R 5.In the present embodiment, except that above-mentioned bidirectional triode thyristor Q1, above-mentioned subelement is the drive circuit of bidirectional triode thyristor Q1 in first controlled switch and the feedback power supply circuits 4, has also constituted the feedback power supply circuits simultaneously.
As shown in Figure 2, in the present embodiment, the structure of second controlled switch 5 is as follows: the control signal from master controller 1 is passed through resistance R 15 respectively, resistance R 16 is connected to transistor Q8, the base stage of transistor Q7, the emitter of transistor Q8 and transistor Q7 interconnects and ground connection, the collector electrode of transistor Q7 and transistor Q8 is connected to an end points of above-mentioned two relay coils, the other end of above-mentioned two relay coils links together, and be connected to the output+VB of above-mentioned accumulator, promptly be connected on the power supply, simultaneously between the output of transistor Q7 and above-mentioned accumulator, go back forward and be serially connected with diode D7, between the output of transistor Q8 and above-mentioned accumulator, go back forward and be serially connected with diode D6.The common drive circuit that constitutes second controlled switch 5 of above-mentioned transistor Q8, transistor Q7, resistance R 15, resistance R 16, diode D7 and diode D6.Be description above to the physical circuit of second controlled switch 5, in the present embodiment, the structure of the 3rd controlled switch 6 is the same with above-mentioned second controlled switch 5, and its difference only is the numbering of its concrete element and is connected the signal output part difference of described master controller 1.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for a person skilled in the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1, a kind of intelligent distant control switch with magnetic latching relay, it is characterized in that, a plurality of phase line output terminals that comprise a phase line input, draw by described phase line input, a plurality of master controller that is serially connected in controlled switch between described phase line input and described each phase line output terminal, described each the controlled switch operating state of control respectively, be the power supply of described master controller and the power supply of described controlled switch; Described phase line output terminal comprises the first phase line output terminal, described controlled switch comprises first controlled switch and the feedback power supply circuits that are serially connected between described first phase line output terminal and the described phase line input, the switch element of described first controlled switch and feedback power supply circuits comprises bidirectional triode thyristor and photoelectrical coupler, and the switch element of other controlled switchs in the described intelligent distant control switch comprises magnetic latching relay.
2, a kind of intelligent distant control switch according to claim 1 with magnetic latching relay, it is characterized in that, described power supply comprise be attempted by between described phase line input and the described first phase line output terminal, to be used for when described first controlled switch and feedback power supply circuits disconnect be the standby power supply circuits of described master controller power supply; Being used for when described first controlled switch and the connection of feedback power supply circuits is the power supply component of described master controller power supply; Accumulator on the feedback power supply circuits output when being attempted by the described standby power supply circuits and first controlled switch and the connection of feedback power supply circuits for described magnetic latching relay power supply.
3, a kind of intelligent distant control switch according to claim 2 with magnetic latching relay, it is characterized in that, described power supply also comprises filtering and voltage stabilizing circuit, feedback power supply circuits output when described standby power supply circuits and described first controlled switch and feedback power supply circuits are connected is connected the input of described filtering and voltage stabilizing circuit, and the output of described filtering and voltage stabilizing circuit is connected on the described master controller.
4, a kind of intelligent distant control switch according to claim 3 with magnetic latching relay, it is characterized in that, described first controlled switch and feedback power supply circuits comprise bidirectional triode thyristor and photoelectrical coupler, described bidirectional triode thyristor main terminal is connected to described phase line input with first mutually on the line output terminal, and the control end of described bidirectional triode thyristor is connected with the control signal output ends of described master controller by photoelectrical coupler.
5, a kind of intelligent distant control switch according to claim 4 with magnetic latching relay; it is characterized in that; described first controlled switch and feedback power supply circuits are included in the photoelectrical coupler of conducting under the control signal effect of described master controller output; the main terminal of described photoelectrical coupler is connected on the control end of described first phase line output terminal and described bidirectional triode thyristor, is serially connected with protective resistance between described bidirectional triode thyristor control end and the described photoelectrical coupler main terminal.
6, a kind of intelligent distant control switch according to claim 5 with magnetic latching relay, it is characterized in that described standby power supply circuits comprise the rectifier bridge, the vibration and the coupling circuit that are connected with described rectifier bridge dc output end that are connected on described phase line input and the described first phase line output terminal, are connected the rectifier cell between described vibration and coupling circuit output and filtering and the voltage stabilizing circuit input.
7, a kind of intelligent distant control switch according to claim 6 with magnetic latching relay, it is characterized in that, also comprise the second phase line output terminal and third phase line output terminal, be connected in series the second magnetic latching relay switch and the 3rd magnetic latching relay switch between described second phase line output terminal and third phase line output terminal and the described phase line input respectively, described accumulator is described second magnetic latching relay and the power supply of the 3rd magnetic latching relay.
8, a kind of intelligent distant control switch according to claim 7 with magnetic latching relay, it is characterized in that, described second magnetic latching relay switch and the 3rd magnetic latching relay switch comprise magnetic latching relay and drive circuit thereof respectively, the moving contact of described magnetic latching relay and fixed contact are connected between described phase line input and the phase line output terminal, and described magnetic latching relay coil is connected with the output of the control signal on each road of described master controller by drive circuit separately.
9, a kind of intelligent distant control switch according to claim 8 with magnetic latching relay, it is characterized in that, described accumulator comprises storage capacitor and charging resistor, described magnetic latching relay coil comprises the coil of band tap, the tap terminals of described band tapped coil is connected on the anode of described electric capacity, and two ends in addition of the coil of described band tap connect respectively with on the output of described master controller buck-boost control signal.
10, according to any described a kind of intelligent distant control switch of claim 1-9, it is characterized in that, also be connected with the wireless remote control receiver module that is used to receive remote signal on the described master controller with magnetic latching relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305035U CN201418067Y (en) | 2009-04-03 | 2009-04-03 | Intelligent remote control switch with magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201305035U CN201418067Y (en) | 2009-04-03 | 2009-04-03 | Intelligent remote control switch with magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201418067Y true CN201418067Y (en) | 2010-03-03 |
Family
ID=41794498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201305035U Expired - Fee Related CN201418067Y (en) | 2009-04-03 | 2009-04-03 | Intelligent remote control switch with magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201418067Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499935A (en) * | 2013-09-02 | 2014-01-08 | 胡润泽 | Zero-power-consumption intelligent standby power saver |
| CN106486978A (en) * | 2016-12-22 | 2017-03-08 | 北京海林节能科技股份有限公司 | Power-down protection apparatus based on magnetic latching relay |
-
2009
- 2009-04-03 CN CN2009201305035U patent/CN201418067Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499935A (en) * | 2013-09-02 | 2014-01-08 | 胡润泽 | Zero-power-consumption intelligent standby power saver |
| CN103499935B (en) * | 2013-09-02 | 2017-03-15 | 深圳润泽创新能源科技有限公司 | Zero-power-consumptiintelligent intelligent standby power saver |
| CN106486978A (en) * | 2016-12-22 | 2017-03-08 | 北京海林节能科技股份有限公司 | Power-down protection apparatus based on magnetic latching relay |
| CN106486978B (en) * | 2016-12-22 | 2019-03-19 | 北京海林节能科技股份有限公司 | Power-down protection apparatus based on magnetic latching relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107844078A (en) | Single live wire power getting circuit and electricity-fetching method | |
| CN203588107U (en) | Heavy-current linear constant-current power supply with automatic voltage regulation function | |
| CN103647454A (en) | Self-powered power circuit of photovoltaic system | |
| CN201378887Y (en) | Explosion-proof intrinsically-safe LED illuminating lamp driving circuit | |
| CN201418067Y (en) | Intelligent remote control switch with magnetic latching relay | |
| CN202931003U (en) | Battery charging circuit and power supply circuit | |
| CN201097176Y (en) | Power controller | |
| CN105262183A (en) | Power-saving type USB charging structure | |
| CN101277020B (en) | Power supply circuit with electricity-saving function | |
| CN107154730B (en) | A kind of generation of electricity by new energy two-way changing circuit and control method | |
| CN102035411B (en) | Single power supply buck standby circuit | |
| CN211909255U (en) | Single live wire switch circuit | |
| CN204482125U (en) | A kind of single live wire switch | |
| CN209709687U (en) | A kind of power supply unit of M-BUS acquisition concentrator | |
| CN201766516U (en) | Single power supply voltage-reducing standby circuit | |
| CN205864383U (en) | A kind of high-speed power high-frequency ac solid-state relay | |
| CN204482124U (en) | A kind of single live wire switch supply module | |
| CN204392083U (en) | A kind of intelligent solar photovoltaic module circuit | |
| CN201418066Y (en) | Silicon-controlled single-wire system switch | |
| CN216774767U (en) | Switch panel product supporting power line communication of single live wire power taking | |
| CN102624078A (en) | Power supplying switching method of direct current dual path input and device for implementing method | |
| CN217563383U (en) | Low-power consumption standby circuit | |
| CN220086995U (en) | Photovoltaic off-grid power generation system | |
| CN216818347U (en) | Photovoltaic energy-saving diode | |
| CN201435856Y (en) | Single-wire-system intelligent switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20130403 |