CN207195807U - A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual - Google Patents
A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual Download PDFInfo
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- CN207195807U CN207195807U CN201721060677.XU CN201721060677U CN207195807U CN 207195807 U CN207195807 U CN 207195807U CN 201721060677 U CN201721060677 U CN 201721060677U CN 207195807 U CN207195807 U CN 207195807U
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Abstract
The utility model discloses a kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual, including valve seat and bonnet, control chamber and hydraulic pressure pressure regulating cavity are provided with bonnet；Control chamber is provided with electromagnetism mounting seat, and control chamber communicates provided with bonnet delivery port with water chamber；Electromagnetism mounting seat be provided with can hand switch valve Electromagnetically-operating structure；Control chamber is engaged to form the first valve port by the closure end of valve element with bonnet delivery port；Hydraulic pressure pressure adjusting structure is provided with hydraulic pressure pressure regulating cavity, hydraulic pressure pressure regulating cavity is engaged to form the second valve port by the lower surface of valve block with water chamber entrance；The edge of valve block is provided with valve block liquid pass hole, and hydraulic pressure pressure regulating cavity is connected by valve block liquid pass hole with intake antrum；Control chamber is connected with hydraulic pressure pressure regulating cavity by bonnet liquid pass hole.This magnetic valve can not only coordinate intelligent water-saving irrigation control system to be arranged on field, gardens scenic spot greenbelt, it might even be possible to installed in hydraulic pressure is unstable, hilltop Tu Ling without civil power in place；Effectively reduce production cost.
Description
Technical field
A kind of intelligent irrigation control system water saving fixtures are the utility model is related to, are related to solenoid valve for water, particularly one kind
Water supply pressure it is unstable, without civil power under the conditions of intelligent irrigation auto-manual self-retaining intelligent pressure regulating magnetic valve.
Background technology
Traditional self-sustaining electromagnetic valve, when electromagnetic valve coil both positive and negative polarity leads to dc source, magnetic valve is opened, when
After power-off, magnetic valve is still within opening；When electromagnetic valve coil both positive and negative polarity leads to reverse dc source, magnetic valve
Close, after power-off, magnetic valve is still within closed mode.
This self-sustaining electromagnetic valve in use, has the following disadvantages：
1. can only sequencing automatic opening/closing, no intelligent function, can not implement in irrigated area precisely, quantifying irrigation
Operation, production cost are uncontrollable；
2. suitable for civil power in place, stable water pressure fruit and vegetable greenhouses, courtyard greening, the scope of application is narrower；
3 working power voltages are AC220V or DC24V, need city to be electrically accessed, power consumption is big；As supply voltage is inadequate or stops
Electricity, equipment is out of service, can not normally-open/closing；
4. stable water pressure condition can be normally-open or closed, super large or extra small hydraulic pressure are turned on and off difficulty；
5. often starting unlatching/closing, high-power frequently power supply makes energy consumption superelevation, easily makes magnet coil damage cause to set
Standby paralysis, water supply be in normally opened or normally off, can not normal water supply, auxiliary water supply line and thrift lock, cost height need to be configured.
Utility model content
The purpose of this utility model is to be directed to above-mentioned the deficiencies in the prior art, and provides a kind of intelligence for water-saving irrigation
Irrigate the self-retaining intelligent pressure regulating magnetic valve of auto-manual, the self-retaining intelligent pressure regulating electricity of this intelligent irrigation auto-manual
Magnet valve can not only coordinate intelligent water-saving irrigation control system to be arranged on field, gardens scenic spot greenbelt, it might even be possible to install
Hydraulic pressure is unstable, hilltop Tu Ling without civil power in place；Effectively reduce production cost.
Realize that the purpose of this utility model technical scheme is：
A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual, including valve seat and bonnet, the valve seat
Both sides are respectively equipped with delivery port and water inlet, and delivery port communicates with water chamber, and water inlet communicates with intake antrum, with prior art not
It is same, it is provided with control chamber and hydraulic pressure pressure regulating cavity in the bonnet at the top of the valve seat；The control chamber is provided with electromagnetism mounting seat,
The control chamber communicates provided with bonnet delivery port with water chamber；
The electromagnetism mounting seat be provided with can hand switch valve Electromagnetically-operating structure；The control chamber passes through Electromagnetically-operating
The closure end of valve element is engaged to form the first valve port with bonnet delivery port in structure；
Hydraulic pressure pressure adjusting structure is provided with the hydraulic pressure pressure regulating cavity, hydraulic pressure pressure regulating cavity passes through under hydraulic pressure pressure adjusting structure middle valve plate
End face is engaged to form the second valve port with water chamber entrance, and the hydraulic pressure pressure regulating cavity is connected with water chamber by the second valve port；
The edge of the valve block is provided with valve block liquid pass hole, and hydraulic pressure pressure regulating cavity is connected by valve block liquid pass hole with intake antrum；
The control chamber is connected with hydraulic pressure pressure regulating cavity by bonnet liquid pass hole.
Described Electromagnetically-operating structure includes poke rod, pulsed coil, valve element and valve core spring, the rear section of the valve element
In in the pulsed coil, the valve core spring is arranged on the hollow cavity of valve element and exposed and pulsed coil branch from valve element rear end
Frame is abutted against；
The poke rod is coupled with valve element, and poke rod band movable valve plug makees upper and lower motion, so that the first valve port plays on or off
Close.
The poke rod is provided with fulcrum, and the spool face is provided with groove, and the front end insertion of the poke rod is described recessed
In groove, the poke rod can make upper and lower motion around fulcrum with movable valve plug.
The hydraulic pressure adjustment structure includes pressure regulation swing arm, boosting spring and valve block, and the pressure regulation swing arm is spirally connected with bonnet, helped
Push away spring and valve block is arranged in hydraulic pressure pressure regulating cavity, pressure regulation swing arm is connected by the upper surface of boosting spring and valve block.
The upper end of the pressure regulation swing arm is provided with manual rotating handle.
Including pressure regulation motor and hydraulic pressure sensor, the pressure regulation motor is spirally connected by screw rod and pressure regulation swing arm, the hydraulic pressure
Sensor is arranged in intake antrum, and pressure regulation motor, hydraulic pressure sensor and control system connect.
Pulsed coil is connected with control system.
The control system includes intelligent water-saving irrigation controller, and the intelligent water-saving irrigation controller is that wireless sensing is distant
Examining system, using Publication No. CN102542769A, a kind of entitled " operation interval ambient parameter intelligent radio sensing remote measurement system
Wireless sensing telemetry system disclosed in system ", the processor in the wireless sensing telemetry system are connected with hydraulic pressure sensor, singly
Piece machine is connected with pressure regulation motor, pulsed coil.
This magnetic valve is provided with the first valve port communicated with control chamber, the second valve port communicated with hydraulic pressure pressure regulating cavity, and valve element exists
In the presence of valve core spring, the closure end of valve element is pressed on bonnet delivery port, and the first valve port is closed；Valve block is in boosting spring
Under effect, valve block lower surface is close on water chamber entrance, and the second valve port is closed, and water enters intake antrum from water inlet, then passes through
Valve block liquid pass hole enters hydraulic pressure pressure regulating cavity, enters control chamber by bonnet liquid pass hole, and forming hydraulic pressure above valve block compresses valve block
On the second valve port, closed electromagnetic valve.
After pulsed coil is powered, valve element moves upwards, the first valve port open, current by intake antrum, valve block liquid pass hole,
Hydraulic pressure pressure regulating cavity, bonnet liquid pass hole, control chamber, the first valve port enter water chamber from bonnet delivery port and flowed out from delivery port, at this moment
Hydraulic pressure above valve block reduces rapidly, and the hydraulic pressure above valve block reduces plus the pressure that the elastic force of boosting spring is formed to valve block
To when being not enough to be pressed on valve block on the second valve port, valve block is moved upwards, and the second valve port is opened, and current are by intake antrum, the
Two valve ports enter water chamber, are flowed out from delivery port, and material is thus formed the first valve that during magnetic valve unlatching, current are opened from priority
Mouth, the outflow of the second valve port, are moved up and down relative to bonnet by pressure regulation swing arm and control pressure size of the boosting spring to valve block,
So as to adjust top pressure of the pressure in hydraulic pressure pressure regulating cavity to valve block, make above valve block, the pressure initiation dynamic equilibrium of lower section,
And then the opening degree of the second valve port is controlled, the size of the current of regulation outflow magnetic valve.
When having a power failure, poke rod can be manually controlled, it is upward by poke rod band movable valve plug, the first valve port is opened, is made
Magnetic valve is opened, current outflow；Or it is downward with movable valve plug, the first valve port is closed, makes closed electromagnetic valve.
The advantages of this magnetic valve：
1. intelligent opening/closing magnetic valve can be instructed by intelligent water-saving irrigation control system, implement essence in irrigated area
Accurate, quantifying irrigation operation, it is energy-saving in the purpose for reaching water-saving irrigation, production cost is effectively reduced, realizes intelligent manipulation；
2. pressure regulation swing arm can be controlled manually, controlled by boosting spring in hydraulic pressure pressure regulating cavity and the top of valve block is pressed
Power, control the second valve port water outlet；Poke rod is manually controlled, opens or closes magnetic valve, thus is wanted without hydraulic pressure, civil power
Ask, field, gardens scenic spot greenbelt, hilltop Tu Ling, courtyard greening can be installed and used, to installation site adaptability compared with
It is good；
3. working power voltage DC6V-DC24V, dry cell power supply, power consumption are small；Unpowered state, hand can be passed through
Dynamic control poke rod unlatching/closing is supplied water, and working power is adapted to preferable；
4. boosting spring pressure can be regulated and controled intelligently or manually under super large or extra small water pressure condition, make intelligent irrigation hand from one
The self-retaining intelligent pressure regulating magnetic valve valve of body is inside and outside and hydraulic balance, reaches normally-open or closes purpose, hydraulic pressure is adapted to
Preferably；
5. intelligent starting unlatching/closing can be set by control system, small-power intelligent power supply electro-magnetic impulse coil is not easy
Damage；As electro-magnetic impulse coil damage, its control manually poke rod can it is normally-open/close service position, can make when thrift lock
With, solve " often start unlatching/closing, it is high-power frequently power supply easily make magnet coil damage cause equipment to paralyse, supply water
In normally opened or normally off, can not normal water supply, auxiliary water supply line and thrift lock need to be configured " the problem of；
6. small-power intelligent power supply, outdoor can use it is solar powered, without configuring auxiliary water supply pipeline and thrift lock, section
It can lower consumption, reduce production cost.
Therefore, this magnetic valve can not only coordinate intelligent water-saving irrigation control system to be arranged on field, gardens scenic spot
Greenbelt, it might even be possible to installed in hydraulic pressure is unstable, hilltop Tu Ling without civil power in place；And eliminate existing magnetic valve and need to configure
Auxiliary water supply pipeline and thrift lock, significantly reduce production cost.
Brief description of the drawings
Fig. 1 is the structural representation for the magnetic valve being closed in the utility model embodiment；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the structural representation of the magnetic valve in open mode in the utility model embodiment；
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
In figure, the valve of 1. valve seat, 2. bonnet, 3. pulsed coil, 4. valve element 4.1. grooves, 5. poke rod 5.1. fulcrums 6.
The hydraulic pressure pressure regulating cavity of 7. 11. valve block liquid pass hole of bonnet delivery port 8. first valve port, 9. control chamber, 10. valve block of core spring 12.
13. the water inlet 19. of 14. pressure regulation motor of boosting spring, 15. manual rotating handle, 16. 17. second valve port of pressure regulation swing arm 18. is intake
The hydraulic pressure sensor of 22. bonnet liquid pass hole of chamber 20. delivery port, 21. water chamber 23..
Arrow represents water (flow) direction in figure.
Embodiment
The utility model content is further elaborated with reference to the accompanying drawings and examples, but is not to the utility model
Restriction.
Embodiment：
Reference picture 1- Fig. 4, a kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual, including the He of valve seat 1
Bonnet 2, the both sides of valve seat 1 are respectively equipped with delivery port 20 and water inlet 18, and delivery port 20 communicates with water chamber 21, water inlet 18
Communicated with intake antrum 19, it is characterised in that be provided with control chamber 9 and hydraulic pressure pressure regulating cavity 12 in the bonnet 2 at the top of valve seat 1；
The control chamber 9 is provided with electromagnetism mounting seat, and the control chamber 9 communicates provided with bonnet delivery port 7 with water chamber 21；
The electromagnetism mounting seat be provided with can hand switch valve Electromagnetically-operating structure；The control chamber 9 is grasped by electromagnetism
Make the closure end of valve element 4 in structure and bonnet delivery port 7 is engaged to form the first valve port 8；
Hydraulic pressure pressure adjusting structure is provided with the hydraulic pressure pressure regulating cavity 12, hydraulic pressure pressure regulating cavity 12 passes through hydraulic pressure pressure adjusting structure middle valve plate
10 lower surface is engaged to form the second valve port 17 with water chamber entrance, and the hydraulic pressure pressure regulating cavity 12 passes through second with water chamber 21
Valve port 17 is connected；The edge of the valve block 10 is provided with valve block liquid pass hole 11, hydraulic pressure pressure regulating cavity 12 by valve block liquid pass hole 11 with
Intake antrum 19 is connected；
The control chamber 9 is connected with hydraulic pressure pressure regulating cavity 12 by bonnet liquid pass hole 22.
The valve block 10 is made up of quality of rubber materials.
Described Electromagnetically-operating structure includes poke rod 5, pulsed coil 3, valve element 4 and valve core spring 6, the valve element 4
Back segment is located in the pulsed coil 3, the valve core spring 6 be arranged on the hollow cavity of valve element 4 and from the rear end of valve element 4 expose with
Pulsed coil support is abutted against；
The poke rod 5 is coupled with valve element 4, and poke rod 5 makees upper and lower motion with movable valve plug 4, so that the first valve port 8 is beaten
On or off is closed.
The poke rod 5 is provided with fulcrum 5.1, and the surface of valve element 4 is provided with groove 4.1, and the front end of the poke rod 5 is inserted
Enter in the groove 4.1, the poke rod 5 can be rotated around fulcrum 5.1 so as to make upper and lower motion with movable valve plug 4.
The hydraulic pressure adjustment structure includes pressure regulation swing arm 16, boosting spring 13 and valve block 10, the pressure regulation swing arm 16 and valve
Lid 2 is spirally connected, and boosting spring 13 and valve block 10 are arranged in hydraulic pressure pressure regulating cavity 12, and pressure regulation swing arm 16 passes through boosting spring 13 and valve block
10 upper surface connection.
The upper end of the pressure regulation swing arm 16 is provided with manual rotating handle 15.
Including pressure regulation motor 14 and hydraulic pressure sensor 23, the pressure regulation motor 14 is spirally connected by screw rod and pressure regulation swing arm 16,
The hydraulic pressure sensor 23 is arranged in intake antrum 19, and pressure regulation motor 14, hydraulic pressure sensor 23 are connected with control system.
Screw rod is driven to rotate by the rotary shaft of pressure regulation motor 14, it is upper and lower so as to drive pressure regulation swing arm 16 to make in bonnet 2
Motion, the pressure in hydraulic pressure pressure regulating cavity 12 is changed by boosting spring 13.
The control system includes intelligent water-saving irrigation controller, and the intelligent water-saving irrigation controller is that wireless sensing is distant
Examining system, using Publication No. CN102542769A, a kind of entitled " operation interval ambient parameter intelligent radio sensing remote measurement system
Wireless sensing telemetry system disclosed in system ", the processor in the wireless sensing telemetry system are connected with hydraulic pressure sensor 23,
Single-chip microcomputer is connected with pressure regulation motor 14, pulsed coil 3.
Hydraulic pressure sensor 23 collects the hydraulic pressure data in intake antrum 19, passes through data line transfer to wireless sensing remote measurement system
System, wireless sensing telemetry system intelligent starting magnetic valve, make the normal work of magnetic valve by controlling pulsed coil 3, pressure regulation motor 14
Make.
Described valve seat 1 is by stainless steel interior tooth interface and PVC（Polyvinyl chloride）Pipe package material is integrally formed；Bonnet 2 be with
The supporting PVC cone bonnets of valve seat 1.
The application method of this magnetic valve：
As shown in Fig. 1 Fig. 2, in the case where pulsed coil 3 is not powered on, valve element 4 is in the presence of valve core spring 6, valve element 4
Closure end be pressed on bonnet delivery port 7, the first valve port 8 is closed；Valve block 10 is in the presence of boosting spring 13, under valve block 10
End face is close on water chamber entrance, and the second valve port 17 is closed, and water enters intake antrum 19 from water inlet 18, then crosses liquid by valve block
Hole 11 enters hydraulic pressure pressure regulating cavity 12, enters control chamber 9 by bonnet liquid pass hole 22, and the top of valve block 10 forms hydraulic pressure and presses valve block 10
Tightly on the second valve port 17, closed electromagnetic valve；
As shown in Fig. 3 Fig. 4, after pulsed coil 3 is powered, valve element 4 is moved upwards, and the first valve port 8 is opened, and current are by entering
Water cavity 19, valve block liquid pass hole 11, hydraulic pressure pressure regulating cavity 12, bonnet liquid pass hole 22, control chamber 9, the first valve port 8 are from bonnet delivery port 7
Flowed out into water chamber 21 from delivery port 20, at this moment the hydraulic pressure of the top of valve block 10 reduces rapidly, when the hydraulic pressure of the top of valve block 10 adds
The pressure that the elastic force of upper boosting spring 13 is formed to valve block 10 is reduced to when being not enough to be pressed on valve block 10 on second valve port 17,
Valve block 10 is moved upwards, and the second valve port 17 is opened, and current enter water chamber 21 by intake antrum 19, the second valve port 17, from water outlet
Mouth 20 flows out, and material is thus formed the first valve port 8 that during magnetic valve unlatching, current are opened from priority, the second valve port 17 to flow out, and leads to
Cross pressure regulation swing arm 16 to move up and down pressure size of the control boosting spring 13 to valve block 10 relative to bonnet 2, so as to adjust water
The pressure in pressure regulating cavity 12 is pressed to the top pressure of valve block 10, makes the top of valve block 10, the pressure initiation dynamic equilibrium of lower section, and then
Control the opening degree of the second valve port 17, the current size of regulation outflow delivery port 20；
When having a power failure, poke rod 5 is controlled manually, it is upward with movable valve plug 4 by poke rod 5, the first valve port 8 is opened, manually
Pressure regulation swing arm 16 is adjusted, the second valve port 17 is opened, opens magnetic valve, current outflow；Or by poke rod 5 with movable valve plug 4 to
Under, the first valve port 8 is closed, adjusts pressure regulation swing arm 16 manually, the second valve port 17 is closed, makes closed electromagnetic valve.
Claims (6)
1. a kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual, including valve seat and bonnet, the valve seat two
Side is respectively equipped with delivery port and water inlet, and delivery port communicates with water chamber, and water inlet communicates with intake antrum, it is characterised in that institute
State in the bonnet at the top of valve seat and be provided with control chamber and hydraulic pressure pressure regulating cavity；
The control chamber is provided with electromagnetism mounting seat, and the control chamber communicates provided with bonnet delivery port with water chamber；
The electromagnetism mounting seat be provided with can hand switch valve Electromagnetically-operating structure；The control chamber passes through Electromagnetically-operating structure
The closure end of middle valve element is engaged to form the first valve port with bonnet delivery port；
Hydraulic pressure pressure adjusting structure, the lower surface that hydraulic pressure pressure regulating cavity passes through hydraulic pressure pressure adjusting structure middle valve plate are provided with the hydraulic pressure pressure regulating cavity
It is engaged to form the second valve port with water chamber entrance, the hydraulic pressure pressure regulating cavity is connected with water chamber by the second valve port；It is described
The edge of valve block is provided with valve block liquid pass hole, and hydraulic pressure pressure regulating cavity is connected by valve block liquid pass hole with intake antrum；
The control chamber is connected with hydraulic pressure pressure regulating cavity by bonnet liquid pass hole.
2. the self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual according to claim 1, it is characterised in that
Described Electromagnetically-operating structure includes poke rod, pulsed coil, valve element and valve core spring, and the back segment of the valve element is located at the arteries and veins
Breast the tape in circle, the valve core spring is arranged on the hollow cavity of valve element and exposed from valve element rear end to be abutted against with pulsed coil support；
The poke rod is coupled with valve element, and poke rod band movable valve plug makees upper and lower motion, so that the first valve port opens or closes.
3. the self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual according to claim 2, it is characterised in that
The poke rod is provided with fulcrum, and the spool face is provided with groove, and the front end of the poke rod is inserted in the groove, described
Poke rod can make upper and lower motion around fulcrum with movable valve plug.
4. the self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual according to claim 1, it is characterised in that
The hydraulic pressure adjustment structure includes pressure regulation swing arm, boosting spring and valve block, and the pressure regulation swing arm is spirally connected with bonnet, boosting spring and
Valve block is arranged in hydraulic pressure pressure regulating cavity, and pressure regulation swing arm is connected by the upper surface of boosting spring and valve block.
5. the self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual according to claim 4, it is characterised in that
The upper end of the pressure regulation swing arm is provided with manual rotating handle.
6. the self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual according to claim 4, it is characterised in that
Including pressure regulation motor and hydraulic pressure sensor, the pressure regulation motor is spirally connected by screw rod and pressure regulation swing arm, and the hydraulic pressure sensor is set
Put in intake antrum, pressure regulation motor, hydraulic pressure sensor and control system connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060677.XU CN207195807U (en) | 2017-08-23 | 2017-08-23 | A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060677.XU CN207195807U (en) | 2017-08-23 | 2017-08-23 | A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195807U true CN207195807U (en) | 2018-04-06 |
Family
ID=61794675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060677.XU Active CN207195807U (en) | 2017-08-23 | 2017-08-23 | A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355585A (en) * | 2017-08-23 | 2017-11-17 | 桂林市广泽科技开发有限公司 | A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual |
| CN108518521A (en) * | 2018-04-21 | 2018-09-11 | 肖国选 | Auto-manual piezo electric valve |
-
2017
- 2017-08-23 CN CN201721060677.XU patent/CN207195807U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355585A (en) * | 2017-08-23 | 2017-11-17 | 桂林市广泽科技开发有限公司 | A kind of self-retaining intelligent pressure regulating magnetic valve of intelligent irrigation auto-manual |
| CN108518521A (en) * | 2018-04-21 | 2018-09-11 | 肖国选 | Auto-manual piezo electric valve |
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| GR01 | Patent grant | ||
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Address after: 541004 Rd floor, block B, phase II, Minhua science and technology information incubation base, D-12, Chaoyang Road Information Industrial Park, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin Hirosawa Technology Development Co.,Ltd. Address before: 541002 room 3-3, 10-1 gingko lane, Xiangshan District, Guilin, the Guangxi Zhuang Autonomous Region. Patentee before: GUILIN GUANGZE TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |