CN201698966U - Electronic switch - Google Patents
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- CN201698966U CN201698966U CN2010202590617U CN201020259061U CN201698966U CN 201698966 U CN201698966 U CN 201698966U CN 2010202590617 U CN2010202590617 U CN 2010202590617U CN 201020259061 U CN201020259061 U CN 201020259061U CN 201698966 U CN201698966 U CN 201698966U
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- 239000003990 capacitor Substances 0.000 claims abstract description 44
- 230000005611 electricity Effects 0.000 claims abstract description 22
- 238000004146 energy storage Methods 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a switch, in particular to a two-wire electronic switch. The electronic switch comprises magnetic latching relays connected in series in a main electricity-using circuit, and a relay driving circuit; the relay driving circuit controlled by a main control circuit drives the magnetic latching relays to be closed or disconnected, so as to realize the on-off of the main electricity-using circuit; the electronic switch further comprises an energy storage circuit, which is connected with the relay driving circuit and takes a capacitor as an energy storage element, and an electricity supply circuit used for charging the energy storage circuit and supplying electricity to the main control circuit; and the energy storage circuit cooperates with the main control circuit to control the operation of the relay driving circuit. The electronic switch widely applied to loads of different types with different power outputs adopts the magnetic latching relays to control the on-off of the electricity supply circuit; and the driving circuit merely drives the relays at the moment of relay operation and consumes no electric current at ordinary times, so that the electronic switch has the advantages of steady operation, high anti-interference ability, flexible and convenient use, and low cost.
Description
Technical field
The utility model relates to a kind of electronic switch, specifically is meant a kind of two lines system electronic switch.
Background technology
At present, adopt the supply power mode of the main circuit of two-wire system electronic switch under opening of relay control to have two kinds: first, switch for the control of common electrical magnetic relay, transformer of series connection in the switch major loop, after the closing of contact of relay, the transformer output is the main circuit power supply with output voltage, the driving of relay needs continued power ability holding contact closure, so, the transformer that is connected in the switch loop need have stronger power supply capacity, and the stronger general volume of transformer of power supply capacity is bigger, and the bearing power scope that the switch major loop can be controlled is subjected to bigger restriction.Second kind is to adopt magnetic latching relay control switch major loop, the driving of magnetic latching relay only needs a pulse current to get final product the closed or disconnection of holding contact, this pulse current is bigger, so the power supply circuits under the corresponding opening of available technology adopting magnetic latching relay are very complicated.For example the patent No. is in the Chinese patent of 02283995.X: the opening of magnetic latching relay adopts the battery auxiliary power supply, uses inconvenient; Other method is to adopt the transformer-supplied be connected in the switch major loop, realizes that the volume of transformer of this effect is big, and a little less than the power supply capacity when the band low-power load and power supply speed slow.The patent No. is in 200620118431.9 the Chinese patent, to have adopted two magnetic latching relays, and its power supply circuits are complicated; The patent No. is to have adopted two magnetic latching relays and a battery in 200720143065.7 the Chinese patent, and its power supply circuits are more complicated.
The utility model content
Technical problem to be solved in the utility model provide a kind of simple for structure, power consumption is little, volume is little, the two lines system electronic switch of stable performance.
For solving the problems of the technologies described above, the utility model is realized by the following technical solutions: a kind of electronic switch, comprise the magnetic latching relay, the relay drive circuit that are series in the electricity consumption major loop, relay drive circuit is subjected to governor circuit control and then driving magnetic latching relay closure or disconnection to realize the break-make of electricity consumption major loop; Comprise that also what be connected with relay drive circuit is the accumulator of energy-storage travelling wave tube and the power supply circuits of powering for accumulator charging and for governor circuit with electric capacity, accumulator cooperates with power supply circuits for relay drive circuit and governor circuit provides working power.
A kind of concrete scheme is: described power supply circuits comprise the OFF state power supply circuits, and these OFF state power supply circuits are begun to connect or disconnect before and after two time points in two seconds output signal fully to control its unlatching be the accumulator charging at the electricity consumption major loop by governor circuit.Described accumulator comprises minus earth, anodal three storage capacitors that are connected with OFF state power supply circuits output, and wherein, the first, the 3rd storage capacitor positive pole also is connected with relay drive circuit simultaneously, and second storage capacitor is anodal to be connected with governor circuit simultaneously.
Another kind of concrete scheme is: described power supply circuits comprise power supply circuit and the OFF state power supply circuits that charge for accumulator respectively under major loop connected sum off-state; Described accumulator comprises the electric capacity that two negative poles are connected with ground at least, and two capacitance cathodes drive relay closes and drive the relay dead circuit and is connected respectively with in the relay drive circuit, and the while, two capacitance cathodes also were connected with OFF state power supply circuits output; The power supply circuit output is connected with the positive pole of the electric capacity that drives the relay disconnection, and OFF state power supply circuits output and power supply circuit output also are connected to its power supply with governor circuit.
Preferably, described accumulator also comprises the capacitor C 2 that negative pole is connected with ground; Capacitor C 2 positive poles are connected with output, power supply circuit output and the governor circuit of OFF state power supply circuits.
Described relay drive circuit comprises the two transistor that collector electrode is connected with relay coil, emitter-base bandgap grading connects the first, the 3rd storage capacitor positive pole respectively, and described transistor is controlled by governor circuit and then drives magnetic latching relay.
Described power supply circuit adopts a transformer, transformer be connected in the electricity consumption major loop after the magnetic latching relay tip side is connected; The transformer secondary output coil is connected with rectification circuit, and rectification circuit output end connects a voltage stabilizing didoe.
The beneficial effects of the utility model are:
(1) adopt magnetic latching relay in the described electronic switch, it has magnetic and keeps function, therefore only needs to drive in actuating of relay moment, and drive circuit is current sinking not at ordinary times, working stability, and antijamming capability is strong, and is energy-conservation;
(2) two (or two groups) relatively independent storage capacitor and rectifier diodes of adoption of innovation are formed accumulator, cooperate drive circuit to realize that relay drives, make drive circuit more succinct, make described switch can be widely used in dissimilar and load different capacity;
(3) because the power supply circuits in the switch are further simplified in the application of above-mentioned drive circuit and accumulator, can avoid using transformer in the circuit or adopt the small size transformer, flexible and convenient to use, cost is low.
Description of drawings
Fig. 1 is an embodiment schematic block diagram of electronic switch described in the utility model;
Fig. 2 is another embodiment schematic block diagram of electronic switch described in the utility model;
Fig. 3 is the first embodiment circuit theory diagrams of electronic switch described in the utility model;
Fig. 4 is the second embodiment circuit theory diagrams of electronic switch described in the utility model;
Fig. 5 is the 3rd embodiment circuit theory diagrams of electronic switch described in the utility model;
Fig. 6 is the 4th embodiment circuit theory diagrams of electronic switch described in the utility model.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the utility model is done further introduction in detail below in conjunction with drawings and Examples.
As Fig. 1, described electronic switch comprises magnetic latching relay 1.1, relay drive circuit 1.3, the accumulator 1.6 that is connected with relay drive circuit, OFF state power supply circuits 1.5 and governor circuit 1.4.OFF state power supply circuits 1.5 are controlled by governor circuit 1.4, and described magnetic latching relay 1.1 tip sides are series in the electricity consumption major loop, and relay drive circuit is subjected to governor circuit control and then driving magnetic latching relay closure or disconnection to realize the break-make of electricity consumption major loop; Accumulator is connected with the OFF state power supply circuits, and the two cooperation provides working power for relay drive circuit, governor circuit.
As Fig. 2, described electronic switch comprises magnetic latching relay 1.1, relay drive circuit 1.3, the accumulator 1.6 that is connected with relay drive circuit, power supply circuit 1.2 and OFF state power supply circuits 1.5 and governor circuit 1.4.Described magnetic latching relay 1.1 tip sides and power supply circuit are series in the electricity consumption major loop, OFF state power supply circuits 1.5 are controlled by governor circuit 1.4, and relay drive circuit is subjected to governor circuit control and then driving magnetic latching relay closure or disconnection to realize the break-make of electricity consumption major loop; Accumulator is connected with the OFF state power supply circuits with power supply circuit, and the three cooperates for relay and drive circuit thereof, governor circuit provides working power.
As shown in Figure 3, during concrete enforcement, capacitor C 1, C2, C3 that described accumulator 1.6 adopts negative pole all to be connected with ground, capacitor C 1, C2, C3 positive pole are connected with OFF state power supply circuits output by diode D1, D2, D3 respectively, capacitor C 1, C3 positive pole also are connected with relay drive circuit, and capacitor C 2 positive poles also are connected with governor circuit simultaneously.Capacitor C 2, C3 positive pole also are connected with the power supply circuit output by diode D4, D5 respectively.Capacitor C 1, C2, C3 positive pole are connected capacitor C 2, C3 cathode connecting diode D4, D5 negative pole with diode D1, D2, D3 negative pole.
Described relay drive circuit 1.3 adopts collector electrode to be connected with relay coil, emitter-base bandgap grading connects transistor Q1, the Q3 of capacitor C 1, C3 positive pole respectively, described transistor Q1, Q3 base stage connect transistor Q2, Q4 collector electrode by resistance R 1, R3 respectively, and transistor Q2, Q4 emitter grounding, base stage connect governor circuit by resistance R 2, R4.
Described power supply circuit 1.2 adopts transformer T1, transformer T1 primary coil be series in the electricity consumption major loop after the magnetic latching relay tip side is connected; Transformer T1 secondary coil is connected with rectification circuit, and rectification circuit output end connects voltage stabilizing didoe Z1.
Described OFF state power supply circuits are as shown in frame of broken lines 1.5.1 and 1.5.2 among the figure, wherein one the tunnel with the AC power rectification after triode Q5, Q6, Q7, voltage-stabiliser tube Z2 output, another road with the AC power rectification after triode Q8, voltage-stabiliser tube Z3 two-way merge and export to accumulator; The S point connects governor circuit in the OFF state power supply circuits.
Described governor circuit can combine according to the intelligent control chip that different purposes (for example: sound, photocontrol, infrared induction, remote control, program control etc.) adopted different sensing or communication element and single-chip microcomputers or be similar to single-chip microcomputer.
Described magnetic latching relay can adopt twin coil both-end trigger relay.
During work, storage capacitor C1 cooperates transistor Q1, Q2 to be responsible for driving magnetic latching relay 1.1 closures, and storage capacitor C3 cooperates transistor Q3, Q4 to be responsible for driving the disconnection of magnetic latching relay 1.1, and storage capacitor C2 is responsible for the governor circuit power supply.
With the delay switch is example, described switch operation principle is as follows: under the state that described switch is not opened, be that the magnetic latching relay contact disconnects, major loop is obstructed, when load is not worked, after described switch powers on, respectively capacitor C 1, C2, C3 are charged by diode D1, D2, D3 by the OFF state power supply circuits.Switch entered normally " standby " operating state after charging was finished, after transducer receives signal, by governor circuit control OFF state power supply circuits by diode D1, D2, D3 respectively to capacitor C 1, C2, C3 charge back oxide-semiconductor control transistors Q2, Q1 conducting, then capacitor C 1 is by the pulsed discharge of relay set coil, relay contact closure, the electricity consumption major loop is logical, and switch enters the delay working state.Respectively capacitor C 2, C3 are charged by diode D4, D5 by power supply circuit in the delay working process.When switch need disconnect, by governor circuit oxide-semiconductor control transistors Q4, Q3 conducting, capacitor C 3 was by the pulsed discharge of relay resetting coil, and relay resets, and the contact disconnects, and the electricity consumption major loop also disconnects.Governor circuit control this moment OFF state power supply circuits charge to capacitor C 1, C2, C3 respectively.Switch reenters " standby " operating state.
When the utility model scheme is used for delay switch, can omit power supply circuit, promptly form scheme shown in Figure 1.
Circuit embodiment illustrated in fig. 4 and Fig. 3 are basic identical, have only among Fig. 4 the OFF state power supply circuits slightly different with the connected mode of accumulator.These embodiment OFF state power supply circuits with the AC power rectification after behind triode Q5, Q6, Q7, the voltage-stabiliser tube Z2 with storage capacitor C1, C3 charging, another road with the AC power rectification after triode Q8, voltage-stabiliser tube Z3 give storage capacitor C2 power supply.OFF state power supply circuits 1.5 also can adopt common circuit in the prior art, repeat no more here.
During described electronic switching circuit band light fixture load, under electricity consumption major loop off-state,, generally select governor circuit to begin to connect or disconnect fully before and after two time points that output signal control OFF state power supply circuits are the accumulator charging in two seconds at the electricity consumption major loop by selecting suitable opportunity that accumulator is charged.In the electric capacity charging process, can not cause the flicker of major loop load light fixture; Wait accident when power failure takes place, magnetic latching relay can accurately reset, and when effectively avoiding sending a telegram here, the normal bright phenomenon of load light fixture causes waste of energy again.
Fig. 5, embodiment illustrated in fig. 6 in, adopt unicoil magnetic saturation relay.With Fig. 3, embodiment illustrated in fig. 4 different be relay drive circuit.Two embodiment repeat circuit drive circuits comprise that collector electrode is connected with relay coil, emitter-base bandgap grading connects transistor Q1, the Q3 of capacitor C 1, C3 positive pole respectively, described transistor Q1, Q3 base stage connect transistor Q2, Q4 collector electrode by resistance R 1, R3 respectively, and transistor Q2, Q4 emitter grounding, base stage connect governor circuit by resistance R 2, R4; Transistor Q9, Q10 collector electrode are connected with the relay coil two ends respectively in addition, and transistor Q9, Q10 emitter grounding, base stage connect governor circuit by resistance respectively.
During work, governor circuit is by oxide-semiconductor control transistors Q1, Q2, Q10 conducting simultaneously, and transistor Q3, Q4, Q9 all end, and make capacitor C 1 by relay coil discharge, relay set; Governor circuit is by oxide-semiconductor control transistors Q3, Q4, Q9 conducting simultaneously, and transistor Q1, Q2, Q10 end, and make capacitor C 3 by the relay coil discharge, finish the relay homing action.
The foregoing description only is a preferred implementation of the present utility model, and in addition, the utility model can also have other implementations.That is to say, do not breaking away under the prerequisite of the utility model design, any conspicuous minor variations and be equal to replacement and all should fall within the protection range of the present utility model.
Claims (10)
1. electronic switch, comprise the magnetic latching relay, the relay drive circuit that are series in the electricity consumption major loop, relay drive circuit is subjected to governor circuit control and then driving magnetic latching relay closure or disconnection to realize the break-make of electricity consumption major loop, it is characterized in that: comprise that also what be connected with relay drive circuit is the accumulator of energy-storage travelling wave tube and the power supply circuits of powering for accumulator charging and for governor circuit with electric capacity, accumulator cooperates with power supply circuits for relay drive circuit and governor circuit provides working power.
2. electronic switch according to claim 1, it is characterized in that: described power supply circuits comprise the OFF state power supply circuits, described OFF state power supply circuits are controlled by governor circuit, and governor circuit begins to connect or disconnects fully before and after two time points that output signal control OFF state power supply circuits are the accumulator charging in two seconds at the electricity consumption major loop; Perhaps governor circuit begins to connect and disconnects fully before and after two time points that output signal control OFF state power supply circuits are the accumulator charging in two seconds at the electricity consumption major loop.
3. electronic switch according to claim 2, it is characterized in that: described accumulator comprises capacitor C 1, C2, the C3 that negative pole all is connected with ground, capacitor C 1, C2, C3 positive pole all are connected with OFF state power supply circuits output, capacitor C 1, C3 positive pole also are connected with relay drive circuit simultaneously, and capacitor C 2 positive poles also are connected with governor circuit simultaneously.
4. electronic switch according to claim 1 is characterized in that: described power supply circuits comprise power supply circuit and the OFF state power supply circuits that charge for accumulator respectively under electricity consumption major loop connected sum off-state.
5. electronic switch according to claim 4, it is characterized in that: described accumulator comprises capacitor C 1, the C3 that two negative poles are connected with ground at least, two capacitance cathodes drive relay closes and drive the relay dead circuit and is connected respectively with in the relay drive circuit, and the while, two capacitance cathodes also were connected with OFF state power supply circuits output; Power supply circuit output and 3 anodal connections of capacitor C; Described OFF state power supply circuits output and power supply circuit output also are connected to its power supply with governor circuit.
6. electronic switch according to claim 5 is characterized in that: described accumulator also comprises the capacitor C 2 that negative pole is connected with ground; Capacitor C 2 positive poles are connected with output, power supply circuit output and the governor circuit of OFF state power supply circuits.
7. electronic switch according to claim 6 is characterized in that: described capacitor C 1, C2, C3 positive pole connect OFF state power supply circuits output by diode D1, D2, D3 respectively, and capacitor C 1, C2, C3 positive pole are connected with diode D1, D2, D3 negative pole; Capacitor C 2, anodal diode D4, the D5 of passing through of C3 connect power supply circuit output, capacitor C 2, C3 cathode connecting diode D4, D5 negative pole.
8. according to claim 3 or 5 or 6 described electronic switches, it is characterized in that: described relay drive circuit comprises that collector electrode is connected with relay coil, emitter-base bandgap grading connects transistor Q1, the Q3 of capacitor C 1, C3 positive pole respectively, described transistor Q1, Q3 base stage connect transistor Q2, Q4 collector electrode by resistance respectively, and transistor Q2, Q4 emitter grounding, base stage connect governor circuit by resistance.
9. according to claim 3 or 5 or 6 described electronic switches, it is characterized in that: described relay drive circuit comprises that collector electrode is connected with relay coil, emitter-base bandgap grading connects transistor Q1, the Q3 of capacitor C 1, C3 positive pole respectively, described transistor Q1, Q3 base stage connect transistor Q2, Q4 collector electrode by resistance respectively, and transistor Q2, Q4 emitter grounding, base stage connect governor circuit by resistance; Transistor Q9, Q10 collector electrode are connected with the relay coil two ends respectively, and transistor Q9, Q10 emitter grounding, base stage connect governor circuit by resistance respectively.
10. electronic switch according to claim 4 is characterized in that: described power supply circuit comprises transformer T1, and transformer T1 primary coil is connected in the electricity consumption major loop; Transformer T1 secondary coil is connected with rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202590617U CN201698966U (en) | 2009-10-27 | 2010-07-02 | Electronic switch |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920249796 | 2009-10-27 | ||
| CN200920249796.9 | 2009-10-27 | ||
| CN2010202590617U CN201698966U (en) | 2009-10-27 | 2010-07-02 | Electronic switch |
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| Publication Number | Publication Date |
|---|---|
| CN201698966U true CN201698966U (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202590617U Expired - Lifetime CN201698966U (en) | 2009-10-27 | 2010-07-02 | Electronic switch |
| CN 201010226214 Pending CN101951248A (en) | 2009-10-27 | 2010-07-02 | Electronic switch |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010226214 Pending CN101951248A (en) | 2009-10-27 | 2010-07-02 | Electronic switch |
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| Country | Link |
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| CN (2) | CN201698966U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951248A (en) * | 2009-10-27 | 2011-01-19 | 陈涛 | Electronic switch |
| CN102566462A (en) * | 2012-01-16 | 2012-07-11 | 西蒙电气（中国）有限公司 | Three-wire electronic switch |
| CN102623245A (en) * | 2012-04-11 | 2012-08-01 | 武汉艾立卡电子有限公司 | Magnetic latching relay control circuit used for switching music signals |
| CN102709119A (en) * | 2012-06-01 | 2012-10-03 | 华为技术有限公司 | Relay driving device |
| CN104808515A (en) * | 2014-01-24 | 2015-07-29 | 艾默生网络能源有限公司 | Driving circuit for controllable switches |
| CN109188946A (en) * | 2017-06-30 | 2019-01-11 | 沈阳新松机器人自动化股份有限公司 | A kind of controller and beddo, electric wheelchair |
| CN110417395A (en) * | 2018-04-26 | 2019-11-05 | 江苏联禹智能工程有限公司 | A kind of electronic switch of PWM temperature control light sensor |
| CN116364481A (en) * | 2023-04-19 | 2023-06-30 | 西安图为电气技术有限公司 | Relay driving circuit, electronic device, and relay driving method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3615052A1 (en) * | 1986-05-03 | 1987-11-05 | Balluff Gebhard Feinmech | TWO-WIRE SWITCH |
| CN2697948Y (en) * | 2004-03-16 | 2005-05-04 | 哈尔滨玛德利智能电器有限公司 | Power supply circuit for electronic switch |
| CN2705951Y (en) * | 2004-05-21 | 2005-06-22 | Tcl国际电工（惠州）有限公司 | Two-wire system electronic switch |
| CN2842877Y (en) * | 2005-11-23 | 2006-11-29 | 佛山市顺德区松本电工实业有限公司 | Two-wire system electronic time-delay switch |
| CN200966042Y (en) * | 2006-06-08 | 2007-10-24 | 北京玛德利智能电器有限公司 | Two-wire touch type electronic switch |
| CN201039120Y (en) * | 2007-04-25 | 2008-03-19 | 北京玛德利智能电器有限公司 | Two-line capacitance touch and induction switch |
| CN201698966U (en) * | 2009-10-27 | 2011-01-05 | 陈涛 | Electronic switch |
-
2010
- 2010-07-02 CN CN2010202590617U patent/CN201698966U/en not_active Expired - Lifetime
- 2010-07-02 CN CN 201010226214 patent/CN101951248A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951248A (en) * | 2009-10-27 | 2011-01-19 | 陈涛 | Electronic switch |
| CN102566462A (en) * | 2012-01-16 | 2012-07-11 | 西蒙电气（中国）有限公司 | Three-wire electronic switch |
| CN102623245A (en) * | 2012-04-11 | 2012-08-01 | 武汉艾立卡电子有限公司 | Magnetic latching relay control circuit used for switching music signals |
| CN102623245B (en) * | 2012-04-11 | 2014-05-14 | 武汉艾立卡电子有限公司 | Magnetic latching relay control circuit used for switching music signals |
| CN102709119A (en) * | 2012-06-01 | 2012-10-03 | 华为技术有限公司 | Relay driving device |
| CN104808515A (en) * | 2014-01-24 | 2015-07-29 | 艾默生网络能源有限公司 | Driving circuit for controllable switches |
| CN104808515B (en) * | 2014-01-24 | 2018-05-01 | 维谛技术有限公司 | A kind of drive circuit of controllable switch |
| CN109188946A (en) * | 2017-06-30 | 2019-01-11 | 沈阳新松机器人自动化股份有限公司 | A kind of controller and beddo, electric wheelchair |
| CN109188946B (en) * | 2017-06-30 | 2021-04-27 | 沈阳新松机器人自动化股份有限公司 | Controller, electric bed and electric wheelchair |
| CN110417395A (en) * | 2018-04-26 | 2019-11-05 | 江苏联禹智能工程有限公司 | A kind of electronic switch of PWM temperature control light sensor |
| CN116364481A (en) * | 2023-04-19 | 2023-06-30 | 西安图为电气技术有限公司 | Relay driving circuit, electronic device, and relay driving method |
| CN116364481B (en) * | 2023-04-19 | 2024-03-08 | 西安图为电气技术有限公司 | Relay driving circuit, electronic device, and relay driving method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101951248A (en) | 2011-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170302 Address after: Hui Tai Industrial Park in Guangdong province Huizhou city 516007 District No. 63 (Hengxin company plant) a building Patentee after: Huizhou Qirui Electric Co., Ltd. Address before: 516007 Huizhou Shuikou Town Health International New Town C1-08 Patentee before: Chen Tao |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |