CN108454402A - The accelerator control device of vehicle - Google Patents
The accelerator control device of vehicle Download PDFInfo
- Publication number
- CN108454402A CN108454402A CN201810422556.8A CN201810422556A CN108454402A CN 108454402 A CN108454402 A CN 108454402A CN 201810422556 A CN201810422556 A CN 201810422556A CN 108454402 A CN108454402 A CN 108454402A
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- hydraulic
- flow sensor
- cylinder body
- master controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 230000001050 lubricating effect Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 25
- 239000010720 hydraulic oil Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 241001123862 Mico Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
Abstract
A kind of accelerator control device of vehicle, including hydraulic pressure throttle control, lubricating cup, hydraulic throttle actuator, flow sensor, master controller, shuttle valve, solenoid valve and switch；The oil inlet of the flow sensor is connected to the first hydraulic fluid port of cylinder body, the oil outlet of flow sensor is connected to the oil inlet P mouth of solenoid valve, A mouthfuls of the execution mouth of solenoid valve is connected to the rodless cavity of hydraulic throttle actuator, and B mouthfuls of the execution mouth of solenoid valve is connected to 1 mouthful of the first oil inlet P of shuttle valve；Terminals K, flow sensor and the switch of the solenoid valve are connect with master controller electrical connection or wireless telecommunications；When the flow value of flow sensor, which is more than, presets flow value in master controller, obtained by the terminals K of main controller controls solenoid valve electric；When a switch is on, by the terminals K dead electricity of main controller controls solenoid valve.The present invention can automatically cut off throttle in driver fault misstepping on accelerator and brake automatically.
Description
Technical field
The present invention relates to a kind of vehicle, more particularly to a kind of accelerator control device of vehicle.
Background technology
The gas pedal and brake pedal of vehicle are set up in parallel, driver in driving procedure according to traffic route situation,
By gas pedal control traveling, is controlled and braked by brake pedal.In order to can be with fast reaction, gas pedal and brake pedal
The distance of setting is closer, but this design, which is but safe driving, has buried hidden danger, this is because gas pedal and braking are stepped on
The distance of plate setting is closer to be easy to happen maloperation, and gas pedal is especially worked as brake pedal there is emergency mistiming
Frequent occurrence, vehicle collision gently then occurs for the case where stepping down, heavy then major traffic accidents occur, very dangerous.Existing skill
The accelerator control device of art is as shown in figure 3, include hydraulic pressure throttle control 30, lubricating cup 31 and hydraulic throttle actuator 32, hydraulic oil gate
Device 30 processed includes mounting bracket 30-1, gas pedal 30-2, piston rod 30-3, cylinder body 30-4, piston 30-5, sealing ring 30-6 and bullet
Spring 30-7, gas pedal 30-2 are hinged on mounting bracket 30-1, and the left end and gas pedal 30-2 of piston rod 30-3 is hinged, piston
The right end of bar 30-3 and the left end of piston 30-5 are hinged, and the right end of piston 30-5 is connected with sealing ring 30-6, and the two of spring 30-7
End offsets with piston 30-5 and cylinder body 30-4 right walls respectively, and the barrel of cylinder body 30-4 is equipped with the first hydraulic fluid port 30-4-1, cylinder body 30-
4 right wall is equipped with the second hydraulic fluid port 30-4-2, and the first hydraulic fluid port 30-4-1 of cylinder body 30-4 is connected to the rodless cavity of hydraulic throttle actuator 32,
The second hydraulic fluid port 30-4-2 of cylinder body 30-4 is connected to lubricating cup 31, and installation site of the lubricating cup 31 on vehicle is higher than the peace of cylinder body 30-4
Holding position.The piston rod 32-1 of hydraulic throttle actuator 32 is fixedly connected with the accelerator rod of engine.
When driver steps on the gas pedal 30-2 of hydraulic pressure throttle control 30, piston rod 30-3 band pistons 30-5
It moves right, sealing ring 30-6 is caused to be against in the right wall of cylinder body 30-4, the hydraulic oil in lubricating cup 31 cannot flow to cylinder body 30-4
In.When continuing to step on the gas pedal 30-2 of hydraulic pressure throttle control 30, sealing ring 30-6 deformation is tight against cylinder body 30-4's
Hydraulic oil in right wall and in cylinder body 30-4 enters the rodless cavity of hydraulic throttle actuator 32 through the first hydraulic fluid port 30-4-1, hydraulic throttle actuator 32
Piston rod 32-1 drives accelerator rod to generate stable movement to the left, thus can be to group refueling door.Due to this throttle
Control device cannot automatically cut off throttle in driver fault misstepping on accelerator, can not be braked automatically, thus very dangerous.
Invention content
Throttle can be automatically cut off when it is an object of the invention to propose a kind of driver fault misstepping on accelerator and is braked automatically
Vehicle accelerator control device.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：A kind of accelerator control device of vehicle, including hydraulic pressure
Throttle control, lubricating cup and hydraulic throttle actuator；The hydraulic pressure throttle control include mounting bracket, gas pedal, piston rod, cylinder body,
Piston, sealing ring and spring；The cylinder body is equipped with the first hydraulic fluid port and the second hydraulic fluid port；The hydraulic throttle actuator includes piston rod；Institute
The second hydraulic fluid port for stating cylinder body is connected to lubricating cup；Installation site of the lubricating cup on vehicle is higher than the installation site of cylinder body；It is described
The piston rod of hydraulic throttle actuator is fixedly connected with the accelerator rod of engine；
Further include flow sensor, master controller, shuttle valve, solenoid valve and switch；The oil inlet and cylinder body of the flow sensor
The connection of the first hydraulic fluid port, the oil outlet of flow sensor be connected to the oil inlet P mouth of solenoid valve, A mouthfuls of the execution mouth of solenoid valve and
The rodless cavity of hydraulic throttle actuator is connected to, and B mouthfuls of the execution mouth of solenoid valve is connected to 1 mouthful of the first oil inlet P of shuttle valve；The solenoid valve
Terminals K, flow sensor and switch are connect with master controller electrical connection or wireless telecommunications；When the flow value of flow sensor
When more than presetting flow value in master controller, obtained by the terminals K of main controller controls solenoid valve electric；Work as switch connection
When, by the terminals K dead electricity of main controller controls solenoid valve.
The present invention has following good effect：（1）Due to the present invention flow sensor oil inlet and cylinder body first
Hydraulic fluid port is connected to, and the oil outlet of flow sensor is connected to the oil inlet P mouth of solenoid valve, and A mouthfuls of the execution mouth of solenoid valve is oily with throttle
The rodless cavity of cylinder is connected to, and B mouthfuls of the execution mouth of solenoid valve is connected to 1 mouthful of the first oil inlet P of shuttle valve；Terminals K, the stream of solenoid valve
Quantity sensor and switch are connect with master controller electrical connection or wireless telecommunications；When the flow value of flow sensor is more than main control
When presetting flow value in device, obtained by the terminals K of main controller controls solenoid valve electric；When a switch is on, by main control
Device controls the terminals K dead electricity of solenoid valve, due also to by 2 mouthfuls of the second oil inlet P and master cylinder of shuttle valve when the present invention uses
Connection, A mouthfuls of the execution mouth of shuttle valve 3 are connected to the rodless cavity of brake cylinder, thus work as and emergency mistiming occur by gas pedal
When brake pedal steps down, the flow of the hydraulic oil come out from the first hydraulic fluid port of cylinder body can be very big, and flow sensor measures
To flow value can be much larger than in master controller and preset flow value, main controller controls solenoid valve obtain it is electric, from the of cylinder body
The hydraulic oil that one hydraulic fluid port comes out, which is entered after the first oil inlet P 1 of shuttle valve A mouthful of the execution mouth through shuttle valve again by solenoid valve and reaches, to be made
Dynamic wheel cylinder, in this way can brake vehicle, you can be braked automatically, while hydraulic throttle actuator piston under the action of the spring
Bar drive accelerator rod moves right and cuts off the throttle of vehicle.Throttle can be automatically cut off when driver fault misstepping on accelerator,
It can also be braked automatically, it is very safe.
Description of the drawings
Fig. 1 is the principle of the present invention figure；
Fig. 2 is the schematic diagram after the present invention is connect with the brake apparatus of vehicle；
Fig. 3 is the schematic diagram of the accelerator control device of the prior art；
Fig. 4 is the schematic diagram of the brake apparatus of the prior art.
Reference numeral in above-mentioned attached drawing is as follows：Flow sensor 1, master controller 2, shuttle valve 3, solenoid valve 4, switch 5, liquid
Pressure oil door controller 30, mounting bracket 30-1, gas pedal 30-2, piston rod 30-3, cylinder body 30-4, the first hydraulic fluid port 30-4-1,
Two hydraulic fluid port 30-4-2, piston 30-5, sealing ring 30-6, spring 30-7, lubricating cup 31, hydraulic throttle actuator 32, piston rod 32-1, master cylinder
40, brake cylinder 41, braking lubricating cup 42.
Specific implementation mode
Below in conjunction with attached drawing and the embodiment provided, the present invention is further illustrated.
As shown in Figure 1, a kind of accelerator control device of vehicle, including hydraulic pressure throttle control 30, lubricating cup 31 and throttle oil
Cylinder 32；Hydraulic pressure throttle control 30 uses the model 12-460-185 hydraulic pressure throttle controls of MICO.The hydraulic oil gate
Device 30 processed includes mounting bracket 30-1, gas pedal 30-2, piston rod 30-3, cylinder body 30-4, piston 30-5, sealing ring 30-6 and bullet
Spring 30-7；The cylinder body 30-4 is equipped with the first hydraulic fluid port 30-4-1 and the second hydraulic fluid port 30-4-2；The hydraulic throttle actuator 32 includes living
Stopper rod 32-1；The second hydraulic fluid port 30-4-2 of the cylinder body 30-4 is connected to lubricating cup 31；Installation position of the lubricating cup 31 on vehicle
Set the installation site higher than cylinder body 30-4；The piston rod 32-1 of the hydraulic throttle actuator 32 and the accelerator rod of engine, which are fixed, to be connected
It connects；
Further include flow sensor 1, master controller 2, shuttle valve 3, solenoid valve 4 and switch 5；The oil inlet of the flow sensor 1
It is connected to the first hydraulic fluid port 30-4-1 of cylinder body 30-4, the oil outlet of flow sensor 1 is connected to the oil inlet P mouth of solenoid valve 4, electricity
A mouthfuls of the execution mouth of magnet valve 4 is connected to the rodless cavity of hydraulic throttle actuator 32, the first oil inlet for executing B mouthfuls of mouth and shuttle valve 3 of solenoid valve 4
P1 mouthfuls of connections of mouth；Terminals K, flow sensor 1 and the switch 5 of the solenoid valve 4 are electrically connected with master controller 2 or channel radio
News connection；When the flow value of flow sensor 1, which is more than, presets flow value in master controller 2, electricity is controlled by master controller 2
The terminals K of magnet valve 4 obtains electric；When switch 5 is connected, the terminals K dead electricity of solenoid valve 4 is controlled by master controller 2.
Master controller 2 is PLC programmable logic controller (PLC)s, the model Mitsubishi F × 3U or Siemens S7- of master controller 2
200.The model HQLWGY or HQLWGB of flow sensor 1.Flow sensor 1 is used for measuring hydraulic pressure throttle control 30
The flow signal for the hydraulic oil that first hydraulic fluid port 30-4-1 comes out, and flow sensor 1 is measured into obtained signal and is transmitted to main control
Device 2 is compared with flow value is preset in master controller 2, and it is under normal condition that flow value is preset in master controller 2
Step on the throttle pedal 30-2 when, the maximum value of the flow of the hydraulic oil come out from the first hydraulic fluid port 30-4-1 of cylinder body 30-4, when going out
Existing driver should step on brake pedal when misoperation accelerator pedal 30-2, and flow sensor 1 measures obtained flow value and can be much larger than
Preset flow value in master controller 2, master controller 2 control solenoid valve 4 it is electric, solenoid valve 4 it is electric after make commutation action.Just
Often in the case of, the terminals K of solenoid valve 4 is in power failure state, when the terminals K of solenoid valve 4 is in power failure state, solenoid valve 4 into
P mouthfuls of hydraulic fluid port with execute mouth A mouthful and communicate, when the terminals K of solenoid valve 4 electricity condition when, 4 oil inlet P mouth of solenoid valve and execution
B mouthfuls of mouth communicates.Switch 5 is mainly used for releasing the state that mis-accelerator pressing rear vehicle is in braking and cut-out throttle.
It need to be used cooperatively with the brake apparatus of vehicle when use of the present invention, brake apparatus such as Fig. 4 of the vehicle of the prior art
It is shown, including master cylinder 40, brake cylinder 41 and braking lubricating cup 42, master cylinder 40 respectively with brake cylinder 41 and brake oil
Cup 42 is connected to, and brake cylinder 41 is connect with brake.In the use of the present invention, as shown in Fig. 2, by the second oil inlet of shuttle valve 3
P2 mouthfuls are connected to master cylinder 40, and A mouthfuls of the execution mouth of shuttle valve 3 is connected to the rodless cavity of brake cylinder 41；The hydraulic oil gate
On the bottom plate for the driver's cabin that the mounting bracket 30-1 of device 30 processed is fixedly connected on vehicle by screw.It will braking lubricating cup 42 and lubricating cup 31
In inject hydraulic oil or brake fluid.
Working principle of the present invention is as follows：When there is emergency mistiming by gas pedal 30-2 when brake pedal steps down
When, since driver can overexert at this time, the flow in this way from the first hydraulic fluid port 30-4-1 of cylinder body 30-4 hydraulic oil come out
Can be very big, the flow value that the measurement of flow sensor 1 obtains can be much larger than in master controller 2 and preset flow value, master controller 2
Control solenoid valve 4 it is electric, solenoid valve 4 it is electric after make commutation action, at this moment 4 oil inlet P mouth of solenoid valve with execute mouth B mouthfuls communicate,
Solenoid valve 4 executes A mouthfuls of mouth and is communicated with fuel tank, and the hydraulic oil come out from the first hydraulic fluid port 30-4-1 of cylinder body 30-4 passes through solenoid valve 4
A mouthfuls of execution mouth through shuttle valve 3 arrival brake cylinders 41 again after into the first oil inlet P 1 of shuttle valve 3, in this way can to vehicle into
Row braking, you can be braked automatically, while the hydraulic oil of the rodless cavity of hydraulic throttle actuator 32 flows into fuel tank, oil through solenoid valve 4
Piston rod 32-1 drives accelerator rod to move right and cut off the throttle of vehicle to door oil cylinder 32 under the action of the spring.Work as driving
Throttle can be automatically cut off when member's mis-accelerator pressing, can also be braked automatically, thus it is very safe.
When normal open out, solenoid valve 4 is in power failure state, and 4 oil inlet P mouth of solenoid valve communicates for mouth A mouthfuls with execution, from cylinder body
The hydraulic oil that the first hydraulic fluid port 30-4-1 of 30-4 comes out enters the rodless cavity of hydraulic throttle actuator 32, hydraulic throttle actuator 32 by solenoid valve 4
Piston rod 32-1 drive accelerator rod to generate to the left smoothly to move, thus can be to group refueling door.When normal brake application,
A mouthfuls of the execution mouth through shuttle valve 3 reaches braking again after the second oil inlet P 2 that the hydraulic oil of master cylinder 40 out enters shuttle valve 3
Wheel cylinder 41, brakes vehicle.
Claims (1)
1. a kind of accelerator control device of vehicle, including hydraulic pressure throttle control（30）, lubricating cup（31）And hydraulic throttle actuator（32）；Institute
State hydraulic pressure throttle control（30）Including mounting bracket（30-1）, gas pedal（30-2）, piston rod（30-3）, cylinder body（30-4）、
Piston（30-5）, sealing ring（30-6）And spring（30-7）；The cylinder body（30-4）It is equipped with the first hydraulic fluid port（30-4-1）With
Two hydraulic fluid ports（30-4-2）；The hydraulic throttle actuator（32）Including piston rod（32-1）；The cylinder body（30-4）The second hydraulic fluid port（30-
4-2）With lubricating cup（31）Connection；The lubricating cup（31）Installation site on vehicle is higher than cylinder body（30-4）Installation site；Institute
State hydraulic throttle actuator（32）Piston rod（32-1）It is fixedly connected with the accelerator rod of engine；It is characterized in that：
It further include flow sensor（1）, master controller（2）, shuttle valve（3）, solenoid valve（4）And switch（5）；The flow sensor
（1）Oil inlet and cylinder body（30-4）The first hydraulic fluid port（30-4-1）Connection, flow sensor（1）Oil outlet and solenoid valve
（4）Oil inlet P mouth connection, solenoid valve（4）A mouthfuls of execution mouth and hydraulic throttle actuator（32）Rodless cavity connection, solenoid valve（4）'s
Execute B mouthfuls of mouth and shuttle valve（3）The connection of 1 mouthful of the first oil inlet P；The solenoid valve（4）Terminals K, flow sensor（1）With
Switch（5）And master controller（2）Electrical connection or wireless telecommunications connection；Work as flow sensor（1）Flow value be more than main control
Device（2）In when presetting flow value, by master controller（2）Control solenoid valve（4）Terminals K obtain it is electric；Work as switch（5）It connects
When, by master controller（2）Control solenoid valve（4）Terminals K dead electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422556.8A CN108454402B (en) | 2018-05-05 | 2018-05-05 | Throttle control device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422556.8A CN108454402B (en) | 2018-05-05 | 2018-05-05 | Throttle control device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108454402A true CN108454402A (en) | 2018-08-28 |
| CN108454402B CN108454402B (en) | 2020-11-27 |
Family
ID=63214862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810422556.8A Expired - Fee Related CN108454402B (en) | 2018-05-05 | 2018-05-05 | Throttle control device for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108454402B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259584A (en) * | 2019-06-26 | 2019-09-20 | 刘剑 | The exhaust brake and accelerator linking device of vehicle |
| CN111674371A (en) * | 2020-06-18 | 2020-09-18 | 何千 | Left foot brake and restriction system for automobile |
| CN115199668A (en) * | 2022-08-09 | 2022-10-18 | 常州科研试制中心有限公司 | Clutch control device of vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10278626A (en) * | 1997-04-07 | 1998-10-20 | Kawasaki Heavy Ind Ltd | Running mode changeover device |
| CN1810555A (en) * | 2006-02-24 | 2006-08-02 | 张玉臣 | Vehicle accelerator malfuction preventing system |
| CN101332809A (en) * | 2007-06-27 | 2008-12-31 | 周成富 | Control method and device for preventing wrongly stepping on the vehicle throttle |
| CN101524963A (en) * | 2009-04-17 | 2009-09-09 | 吴梓硕 | Throttle linkage vehicle accelerator anti-false step on device without delay liquid |
| CN102320243A (en) * | 2011-07-11 | 2012-01-18 | 中国人民解放军理工大学工程兵工程学院 | Method for preventing treading accelerator pedal by mistake when braking and pneumatic protection device |
| CN107472014A (en) * | 2017-08-29 | 2017-12-15 | 安徽理工大学 | Automobile accelerator mistake-stepping prevention device |
-
2018
- 2018-05-05 CN CN201810422556.8A patent/CN108454402B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10278626A (en) * | 1997-04-07 | 1998-10-20 | Kawasaki Heavy Ind Ltd | Running mode changeover device |
| CN1810555A (en) * | 2006-02-24 | 2006-08-02 | 张玉臣 | Vehicle accelerator malfuction preventing system |
| CN101332809A (en) * | 2007-06-27 | 2008-12-31 | 周成富 | Control method and device for preventing wrongly stepping on the vehicle throttle |
| CN101524963A (en) * | 2009-04-17 | 2009-09-09 | 吴梓硕 | Throttle linkage vehicle accelerator anti-false step on device without delay liquid |
| CN102320243A (en) * | 2011-07-11 | 2012-01-18 | 中国人民解放军理工大学工程兵工程学院 | Method for preventing treading accelerator pedal by mistake when braking and pneumatic protection device |
| CN107472014A (en) * | 2017-08-29 | 2017-12-15 | 安徽理工大学 | Automobile accelerator mistake-stepping prevention device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259584A (en) * | 2019-06-26 | 2019-09-20 | 刘剑 | The exhaust brake and accelerator linking device of vehicle |
| CN111674371A (en) * | 2020-06-18 | 2020-09-18 | 何千 | Left foot brake and restriction system for automobile |
| CN115199668A (en) * | 2022-08-09 | 2022-10-18 | 常州科研试制中心有限公司 | Clutch control device of vehicle |
| CN115199668B (en) * | 2022-08-09 | 2024-03-29 | 常州科研试制中心有限公司 | Clutch control device of vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108454402B (en) | 2020-11-27 |
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Legal Events
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201109 Address after: No.43, Puyang village, Zhongyu Township, Pujiang County, Jinhua City, Zhejiang Province, 321000 Applicant after: Zhang Haojie Address before: 213000 No. 21 Tianshan Road, Xinbei District, Changzhou, Changzhou, Jiangsu Applicant before: Liu Jian |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20221121 Address after: 256600 Room 303, West Annex Building, Gaochuang Center Office Building, the intersection of Gaoshi Road and Xinwu Road, Xiaoying Sub district Office, High tech Zone, Binzhou City, Shandong Province Patentee after: Binzhou High tech Materials Industrial Park Co.,Ltd. Address before: No. 43, Puyang Village, Zhongyu Township, Pujiang County, Jinhua City, Zhejiang Province 321000 Patentee before: Zhang Haojie |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |