CN208142579U - It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor - Google Patents

It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor Download PDF

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Publication number
CN208142579U
CN208142579U CN201820770792.4U CN201820770792U CN208142579U CN 208142579 U CN208142579 U CN 208142579U CN 201820770792 U CN201820770792 U CN 201820770792U CN 208142579 U CN208142579 U CN 208142579U
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China
Prior art keywords
phase
relay
contactor
normally
fuse
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Expired - Fee Related
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CN201820770792.4U
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Chinese (zh)
Inventor
冯丽敏
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Guangdong Gold Mingli Electric Co ltd
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Individual
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Abstract

The utility model relates to a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, including cabinet body and cabinet door, mounting plate is equipped in cabinet body, mounting plate is equipped with the disconnecting switch being fixed on guide rail, breaker, contactor, horizontally arranged three current transformers, electrothermal relays, and it is arranged successively under upper, the right side of disconnecting switch is installed by three horizontally arranged fuses, the lower part of fuse is installed by intermediate relay, the lower part of intermediate relay is installed by two time relays, the lower part installation control transformer of the time relay;Cabinet door surface top is mounted to two transversely arranged signal lamps, and cabinet door surface middle part installs three ammeters, and cabinet door surface lower portions install the start stop switch for controlling water pump start and stop;The utility model is matched by two time relays and intermediate relay with other electrical components, is realized the interval automatic loading water of water tank and is cut off the water, energy saving avoids waste water resource;It is adapted to the motor control of a variety of interval operations.

Description

It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor
Technical field
The utility model relates to motor control technology field more particularly to a kind of for being spaced automatic start-stop motor Energy Saving Control electric cabinet.
Background technique
At this stage, country advocates energy-saving and emission-reduction, and not only factory and enterprise accomplishes energy conservation from every side, in terms of daily production In terms of can also accomplishing energy conservation, such as daily water consumption, the water supply of feed-tank intermittent is needed to generally use manual operation disconnecting link water supply Pump powers and then realizes the upper water operation of water tank, but due to manual operation, unstability is forgotten to disconnect disconnecting link often, be caused Still feed-tank supplies water water pump after water tank filling up water, and extra water causes water, electricity waste from water tank spilling, and manually can not The power knife switch for monitoring and operating water tank always does not meet the policy of national energy conservation and emission reduction, at this moment just needs a kind of for being spaced The Energy Saving Control electric cabinet of automatic start-stop motor solves the above problems.
Utility model content
The utility model provides a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, the above problem of solution.
To solve the above problems, the technical scheme that the utility model is provided is as follows:
It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, including cabinet body and cabinet door, the cabinet body and cabinet door Be hinged, be equipped with mounting plate in the cabinet body, mounting plate be equipped with the disconnecting switch being fixed on guide rail, breaker, contactor, Three horizontally arranged current transformers, electrothermal relays, and be arranged successively under upper, the right side installation three of the disconnecting switch Intermediate relay is installed in a horizontally arranged fuse, the lower part of fuse, the lower part of intermediate relay install two times after Electric appliance, the lower part installation control transformer of the time relay;
Cabinet door surface top is mounted to two transversely arranged signal lamps, is respectively used to indicate control transformation The power supply indicator that the secondary side of device normally charges and the run indicator for being used to indicate water pump normal pumping, cabinet door surface middle part Three ammeters are installed, cabinet door surface lower portions install the start stop switch for controlling water pump start and stop.
Preferably, three fuses are respectively first fuse, second fuse and third fuse, two time relays Device is respectively first time relay and second time relay.
Preferably, the start stop switch is rotary switch;The primary side of the control transformer is exchange 380V, secondary side To exchange 36V;Three current transformers are from left to right followed successively by A phase current mutual inductor, B phase current mutual inductor, C phase current mutual inductance Device.
Preferably, the input terminal of the disconnecting switch is electrically connected with alternating current L1, L2, L3, and the output end of disconnecting switch passes through Breaker is electrically connected with the input terminal of contactor, and the output end threephase cable of contactor is each passed through in three current transformers Heart hole is electrically connected the major loop for having constituted motor, the shell protective grounding of pump motor with pump motor again;
The secondary terminals S1 of A phase, B phase, C phase current transformer passes through ammeter A1, A2, A3 and the main touching of electrothermal relay respectively The A phase, B phase, C phase upstream end electrical connection of head, the secondary terminals S2 of A phase, B phase, C phase current transformer use the first control line short Connect and be grounded, A phase, B phase and the C phase output terminal of electrothermal relay main contact use the second control line be shorted, and the first control line with The electrical connection of second control line.
Preferably, first fuse, second fuse and breaker are passed through in the both ends for controlling the primary side of transformer respectively Output terminals A phase L01, C phase L03 electrical connection, control the secondary side of transformer phase line one and third fuse input terminal electricity Connection, the phase line two for controlling the secondary side of transformer are electrically connected with the normally-closed contact other end of electrothermal relay;
One end of power supply indicator, normally-closed contact one end of intermediate relay, normally opened contact one end of intermediate relay are equal It being electrically connected with the output end of third fuse, the other end of power supply indicator is electrically connected with normally-closed contact one end of electrothermal relay, The normally-closed contact other end of intermediate relay successively passes through the normally-closed contact one of start stop switch, the coil of contactor and electrothermal relay For the coils from parallel connection of coils of end electrical connection and first time relay at the coil both ends of contactor, the normally opened contact of intermediate relay is another End is electrically connected by the coil of second time relay with normally-closed contact one end of electrothermal relay, the delay of first time relay Contact shunt is closed in the normally opened contact both ends of intermediate relay, the delay break contact of second time relay and intermediate relay The coil both ends of second time relay are connected in parallel on after the coil series connection of device;Normally opened contact one end of contactor and third fuse Output end electrical connection, the phase line of the normally opened contact other end of contactor by run indicator and the secondary side for controlling transformer Two electrical connections.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model is connect by closing start stop switch The coil of tentaculum first it is electric, and then contactor obtain it is electric, pump motor because it is electric due to feed-tank realizes upper water operation, and first The coil of the time relay obtain exchange 36V voltage and start timing, when water pump runing time then, first time relay The timing closing contact of device is connected, and the coil of intermediate relay obtains electric, the then normally-closed contact movement disconnection of intermediate relay, simultaneously The coil of the coil and first time relay that cut off contactor controls power supply, and the coil blackout release of contactor makes its master Contact simultaneously switches off, and pump motor is stalled because being detached from 380V power supply;The power-off of first time relay is discharged and is resetted, intermediate The normally opened contact of relay, which acts, to be connected, intermittent time timing of the coil of second time relay due to must be electric to water pump, when Then, the delay break contact of second time relay disconnects the timing time of second time relay, the line of intermediate relay Circle is resetted because of power-off, i.e., the normally-closed contact of intermediate relay is connected, and it is same that the coil of contactor obtains electric and three of them main contact When be closed, pump motor because it is electric due to start automatically, the continuous intercycle automatic loading water of process and cut off the water according to this, energy-saving Electricity avoids waste water resource;The secondary side voltage for controlling transformer is safety low-voltage 36V, can not only be hurted sb.'s feelings to avoid accidentally electricity Work, but also the coil motion sound of contactor is reduced accordingly, noise is reduced, the degree of aging of contactor is slowed down;It is adapted to The motor control of a variety of interval operations.
Detailed description of the invention
Illustrate embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment or the prior art The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these Attached drawing obtains other attached drawings.
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the major loop electrical schematic diagram of the utility model water pump;
Fig. 3 is that the interval automatic loading water of the utility model water pump is cut off the water control principle drawing;
Shown in the above legend:20, cabinet body 21, cabinet door 22, disconnecting switch 23, breaker 24, contactor 25, electric current Mutual inductor 26, electrothermal relay 27, fuse 28, intermediate relay 29, the time relay 30, control transformer 31, letter Number indicator light 32, ammeter 33, start stop switch.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this The understanding of the disclosure of utility model is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " integrated molding ", For illustrative purposes only, the similar unit of structure is to identical label in the figure for "left", "right" and similar statement Mark.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.
As shown in Figure 1, one embodiment of the utility model is:
It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, including cabinet body 20 and cabinet door 21, the cabinet body 20 It is hinged with cabinet door 21, mounting plate is equipped in the cabinet body 20, mounting plate is equipped with the disconnecting switch 22 being fixed on guide rail, breaks Road device 23, contactor 24, three horizontally arranged current transformers 25, electrothermal relay 26, and be arranged successively under upper, it is described Three horizontally arranged fuses 27 are installed on the right side of disconnecting switch 22, and intermediate relay 28 is installed in the lower part of fuse 27, in Between relay 28 lower part install two time relays 29, the time relay 29 lower part installation control transformer 30;
The 21 surface top of cabinet door is mounted to two transversely arranged signal lamps 31, is respectively used to indicate control The power supply indicator that the secondary side of transformer 30 normally charges and the run indicator for being used to indicate water pump normal pumping, cabinet door 21 Surface middle part installs three ammeters 32, and 21 surface lower portions of cabinet door install the start stop switch 33 for controlling water pump start and stop.
Preferably, three fuses are respectively first fuse, second fuse and third fuse, two time relays Device is respectively first time relay and second time relay.
Preferably, the start stop switch is rotary switch;The primary side of the control transformer is exchange 380V, secondary Side is exchange 36V;Three current transformers are from left to right followed successively by A phase current mutual inductor TA1, B phase current mutual inductor TA2, C phase Current transformer TA3.
Preferably, as shown in Fig. 2, the input terminal of the disconnecting switch QS is electrically connected with alternating current L1, L2, L3, disconnecting switch The output end of QS is electrically connected by circuit breaker Q F with the input terminal of contactor KM, and the output end threephase cable of contactor KM is worn respectively The centre bore for crossing three current transformers is electrically connected the major loop for having constituted motor with pump motor again, pump motor Shell protective grounding;
The secondary terminals S1 of A phase, B phase, C phase current transformer passes through ammeter A1, A2, A3 and electrothermal relay FR master respectively The A phase, B phase, C phase upstream end of contact is electrically connected, and the secondary terminals S2 of A phase, B phase, C phase current transformer uses the first control line It is shorted and is grounded, A phase, B phase and the C phase output terminal of electrothermal relay FR main contact use the second control line to be shorted, and the first control Line is electrically connected with the second control line.
Preferably, as shown in figure 3, first fuse FU1, second are passed through in the both ends of the primary side of control transformer TC respectively Fuse FU2 is electrically connected with output terminals A phase L01, the C phase L03 of circuit breaker Q F, control transformer TC secondary side phase line one with The input terminal of third fuse FU3 is electrically connected, and controls the phase line two of the secondary side of transformer TC and the normally closed touching of electrothermal relay FR Point other end electrical connection;
One end of power supply indicator HL1, normally-closed contact one end of intermediate relay KA, intermediate relay KA normally opened contact One end is electrically connected with the output end of third fuse FU3, the normally closed touching of the other end and electrothermal relay FR of power supply indicator HL1 Point one end electrical connection, the normally-closed contact other end of intermediate relay KA successively pass through start stop switch SA, contactor KM coil with Normally-closed contact one end of electrothermal relay FR be electrically connected and the coils from parallel connection of coils of first time relay KT1 contactor KM coil two End, the normally opened contact other end of intermediate relay KA by the second time relay KT2 coil and electrothermal relay FR it is normally closed The electrical connection of contact one end, the normally opened contact two of the timing closing contact shunt of first time relay KT1 in intermediate relay KA End, the delay break contact of the second time relay KT2 be connected in parallel on after connecting with the coil of intermediate relay KA the second time after The coil both ends of electric appliance KT2;Normally opened contact one end of contactor KM is electrically connected with the output end of third fuse FU3, contactor The normally opened contact other end of KM is electrically connected by run indicator HL2 with the phase line two for the secondary side for controlling transformer TC.
Working principle:
Circuit transmission process:Disconnecting switch is first closed, breaker is being closed, the first, second fuse is being closed, is then controlling The primary side of transformer has electricity;Closing third fuse, power supply indicator obtains electric bright, indicates that the secondary side of control transformer has The voltage of 36V, to provide control power supply for pump motor control loop.
Starting water pump for the first time:Start stop switch is closed, the coil of contactor and the coil of first time relay obtain simultaneously Electricity, the normally opened contact closure of contactor, three main contacts of contactor are closed at, and run indicator obtains electric bright, and water pump is electronic The winding of machine starts operating because obtaining three-phase 380V AC power, and driving water pump feed-tank supplies water;First time relay Coil acts due to must be electric and starts timing(The runing time of water pump);
Temporally pump trip:The timing time of first time relay then, the timing closing of first time relay Contact closure is connected, and the coil of intermediate relay acts due to must be electric, is disconnected the normally-closed contact of intermediate relay, is cut off simultaneously The coil of first time relay and the coil power of contactor, the coil of contactor make three main touchings of contactor because of disconnection Head simultaneously switches off, and pump motor is stalled because being detached from three-phase 380V power supply;The disconnection of first time relay is discharged and is resetted, The normally opened contact of intermediate relay is closed, and the coil of second time relay obtains electric and starts timing(The intermittent time of water pump);
Temporally start water pump automatically:The timing time of second time relay then, the delay of second time relay Break contact disconnects, and the coil of intermediate relay is resetted because of power-off, and the normally-closed contact of intermediate relay resets closure and connects, this When first time relay and contactor coil simultaneously it is electric, three main contacts of contactor are closed at, contactor it is normal Contact closure is opened, run indicator is electric bright because obtaining, and pump motor operates due to must be electric and feed pump automatic loading water, same in this When, first time relay carries out timing again(The runing time of water pump),
The continuous intercycle feed-tank of process supplies water according to this;
Water pump stops pumping:Start stop switch is disconnected manually, cuts off the coil power of contactor, contactor is discharged because powering off, Three main contacts of contactor simultaneously switch off, and pump motor stalls due to exchanging 380V power supply because being detached from;
Pump motor overload is shut down:
When pump motor overload, when load current meets or exceeds the setting valve of electrothermal relay, current transformer two Electrothermal relay movement in minor loop, normally-closed contact disconnect, and cut off the control loop of contactor coil, and contactor disconnection is released It puts, three main contacts of contactor simultaneously switch off, and pump motor stops operating because being detached from 380v AC power source.
Beneficial effect compared with the existing technology is that using the above scheme, the utility model is connect by closing start stop switch The coil of tentaculum first it is electric, and then contactor obtain it is electric, pump motor because it is electric due to feed-tank realizes upper water operation, and first The coil of the time relay obtain exchange 36V voltage and start timing, when water pump runing time then, first time relay The timing closing contact of device is connected, and the coil of intermediate relay obtains electric, the then normally-closed contact movement disconnection of intermediate relay, simultaneously The coil of the coil and first time relay that cut off contactor controls power supply, and the coil blackout release of contactor makes its master Contact simultaneously switches off, and pump motor is stalled because being detached from 380V power supply;The power-off of first time relay is discharged and is resetted, intermediate The normally opened contact of relay, which acts, to be connected, intermittent time timing of the coil of second time relay due to must be electric to water pump, when Then, the delay break contact of second time relay disconnects the timing time of second time relay, the line of intermediate relay Circle is resetted because of power-off, i.e., the normally-closed contact of intermediate relay is connected, and it is same that the coil of contactor obtains electric and three of them main contact When be closed, pump motor because it is electric due to start automatically, the continuous intercycle automatic loading water of process and cut off the water according to this, energy-saving Electricity avoids waste water resource;The secondary side voltage for controlling transformer is safety low-voltage 36V, can not only be hurted sb.'s feelings to avoid accidentally electricity Work, but also the coil motion sound of contactor is reduced accordingly, noise is reduced, slows down the degree of aging of contactor, is adapted to The motor control of a variety of interval operations.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed, It is accordingly to be regarded as the range of the utility model specification record;Also, it for those of ordinary skills, can be according to above stating It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model It encloses.

Claims (5)

1. a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, including cabinet body and cabinet door, the cabinet body and cabinet door are cut with scissors Connection, it is characterised in that:Mounting plate is equipped in the cabinet body, mounting plate is equipped with the disconnecting switch being fixed on guide rail, open circuit Device, contactor, horizontally arranged three current transformers, electrothermal relays, and be arranged successively under upper, the disconnecting switch Three horizontally arranged fuses are installed on right side, and intermediate relay, the lower part installation of intermediate relay are installed in the lower part of fuse Two time relays, the lower part installation control transformer of the time relay;
Cabinet door surface top is mounted to two transversely arranged signal lamps, is respectively used to indicate control transformer The power supply indicator that secondary side normally charges and the run indicator for being used to indicate water pump normal pumping, the installation of cabinet door surface middle part Three ammeters, cabinet door surface lower portions install the start stop switch for controlling water pump start and stop.
2. according to claim 1 for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, it is characterised in that:Three molten Disconnected device is respectively first fuse, second fuse and third fuse, and two time relays are respectively first time relay Device and second time relay.
3. according to claim 2 for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, it is characterised in that:It is described Start stop switch is rotary switch;The primary side of the control transformer is exchange 380V, and secondary side is exchange 36V;Three electric currents Mutual inductor is from left to right followed successively by A phase current mutual inductor, B phase current mutual inductor, C phase current mutual inductor.
4. according to claim 3 for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, it is characterised in that:It is described every The input terminal for leaving pass is electrically connected with alternating current L1, L2, L3, and the output end of disconnecting switch passes through the input terminal of breaker and contactor Electrical connection, the centre bore that the output end threephase cable of contactor is each passed through three current transformers are electrically connected with pump motor again Connect the major loop for having constituted motor, the shell protective grounding of pump motor;
The secondary terminals S1 of A phase, B phase, C phase current transformer passes through ammeter A1, A2, A3 and electrothermal relay main contact respectively The electrical connection of A phase, B phase, C phase upstream end, the secondary terminals S2 of A phase, B phase, C phase current transformer use the first control line to be shorted simultaneously Ground connection, A phase, B phase and the C phase output terminal of electrothermal relay main contact use the second control line to be shorted, and the first control line and second Control line electrical connection.
5. according to claim 4 for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor, it is characterised in that:Control becomes Output terminals A phase L01, the C phase L03 of first fuse, second fuse and breaker is passed through at the both ends of the primary side of depressor respectively Electrical connection, the phase line one for controlling the secondary side of transformer are electrically connected with the input terminal of third fuse, control the secondary of transformer The phase line two of side is electrically connected with the normally-closed contact other end of electrothermal relay;
One end of power supply indicator, normally-closed contact one end of intermediate relay, intermediate relay normally opened contact one end with The output end of three fuses is electrically connected, and the other end of power supply indicator is electrically connected with normally-closed contact one end of electrothermal relay, intermediate The normally-closed contact other end of relay successively passes through normally-closed contact one end electricity of start stop switch, the coil of contactor and electrothermal relay The coils from parallel connection of coils of connection and first time relay is passed through in the coil both ends of contactor, the normally opened contact other end of intermediate relay The coil for crossing second time relay is electrically connected with normally-closed contact one end of electrothermal relay, the timing closing of first time relay Contact shunt at the normally opened contact both ends of intermediate relay, the delay break contact of second time relay and intermediate relay The coil both ends of second time relay are connected in parallel on after coil series connection;Normally opened contact one end of contactor is defeated with third fuse Outlet electrical connection, the normally opened contact other end of contactor is by two electricity of run indicator and the phase line for the secondary side for controlling transformer Connection.
CN201820770792.4U 2018-05-23 2018-05-23 It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor Expired - Fee Related CN208142579U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820770792.4U CN208142579U (en) 2018-05-23 2018-05-23 It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820770792.4U CN208142579U (en) 2018-05-23 2018-05-23 It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor

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Publication Number Publication Date
CN208142579U true CN208142579U (en) 2018-11-23

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Application Number Title Priority Date Filing Date
CN201820770792.4U Expired - Fee Related CN208142579U (en) 2018-05-23 2018-05-23 It is a kind of for being spaced the Energy Saving Control electric cabinet of automatic start-stop motor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113187709A (en) * 2021-05-21 2021-07-30 福建龙马环卫装备股份有限公司 Control circuit and method of multi-mode spraying device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113187709A (en) * 2021-05-21 2021-07-30 福建龙马环卫装备股份有限公司 Control circuit and method of multi-mode spraying device

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20190829

Address after: 512699 Room 303, North Five Lanes, Chaoyang Road, Longxian Town, Wengyuan County, Shaoguan City, Guangdong Province

Patentee after: Chen Guibin

Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors

Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd.

Effective date of registration: 20190829

Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors

Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd.

Address before: 518000 Wangke Passenger Creation Space, 6th Floor, Meiran Palace Building, Yannan Road, Futian District, Shenzhen City, Guangdong Province

Patentee before: Feng Limin

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TR01 Transfer of patent right

Effective date of registration: 20200915

Address after: No.1, No.3, zone 1, Baihualing, Lingtang Road, Tianhe District, Guangzhou City, Guangdong Province

Patentee after: Guangdong gold Mingli Electric Co.,Ltd.

Address before: 512699 Room 303, North Five Lanes, Chaoyang Road, Longxian Town, Wengyuan County, Shaoguan City, Guangdong Province

Patentee before: Chen Guibin

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181123

CF01 Termination of patent right due to non-payment of annual fee