CN205694905U - Plant's unmanned automatic feeding intelligence system - Google Patents
Plant's unmanned automatic feeding intelligence system Download PDFInfo
- Publication number
- CN205694905U CN205694905U CN201620394092.0U CN201620394092U CN205694905U CN 205694905 U CN205694905 U CN 205694905U CN 201620394092 U CN201620394092 U CN 201620394092U CN 205694905 U CN205694905 U CN 205694905U
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- 238000005303 weighing Methods 0.000 claims abstract description 29
- 230000037396 body weight Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 4
- 230000003028 elevating effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 244000309464 bull Species 0.000 abstract description 2
- 241000282898 Sus scrofa Species 0.000 description 43
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 241000282887 Suidae Species 0.000 description 2
- 235000021050 feed intake Nutrition 0.000 description 2
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- 230000001363 autoimmune Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
Abstract
The utility model discloses a kind of plant unmanned automatic feeding intelligence system, including weighing system, rotatable device for feeding and automatic feeder；Weighing system includes the passage surrounded by fence, and passage ground is placed with weighing machine, and the forward and backward side of weighing machine is provided with fence jacking system；Rotatable device for feeding includes chassis, chassis is arranged on the exit of passage, this chassis is the feeding area of several sectors by box stall even partition, it is provided with overhead door between each feeding area and passage, and it being provided with trough in each feeding area, chassis is driven by chassis rotating stepper motor and rotates；Automatic feeder includes that column, column top are provided with feed bin, is provided with several feeding hoppers below the edge of feed bin.This utility model is raised the body weight before pig is taken food by weighing system to each and is measured, and is then supplied simultaneously to bull by rotatable device for feeding and raises pig, realizes the accurate supply of feedstuff finally by automatic feeder.
Description
Technical field
This utility model relates to cultivation field, particularly to a kind of plant unmanned automatic feeding intelligence system
System.
Background technology
China is big country of raising pigs, but the situation of the productivity is extremely inefficient, exists very with the developed country such as American-European
Big gap.The feed industrial development of China more than 20 year, is all world-class from formula to production technology,
Nursing aspect has been accomplished the most ultimate attainment, but China raises swine rearing feed ratio is up to 7:1 also in loss shape
State, the underlying cause raise pig feeding problem exactly.In order to improve the fine-grained management raising pig feeding,
China uses positioning rail feeding to feed system, and this system can more accurately control gestation and raise the feed intake of pig,
But significantly limit the motion raising pig, make raising pig be in long stress state, autoimmune energy
Power declines, and premunition is poor, causes China's pig farm raising pig mortality high, raises pig service life significantly
Shortening, breast phase and to educate young phase survival rate low, these factors are all to raise pig to manage the basic reason directly brought.
Therefore those skilled in the art be devoted to develop one need not position limiting fence can accurately control raise pig adopt
The pig farm of appetite becomes more meticulous feeding system.
Utility model content
Because the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide one
Need not position limiting fence can accurately control to raise the pig farm of pig feed intake and become more meticulous feeding system.
For achieving the above object, this utility model provides a kind of plant unmanned automatic feeding intelligence system
System, including weighing system, rotatable device for feeding and automatic feeder；
Described weighing system includes the passage surrounded by fence, described passage ground is placed with weighing machine, institute
Stating the forward and backward side of weighing machine and be provided with fence jacking system, described fence jacking system is total to the fence of both sides
Surround wherein with by weighing machine；
Described rotatable device for feeding includes that chassis, described chassis are arranged on the exit of passage, this chassis by
Box stall even partition is the feeding area of several sectors, is provided with trough in each feeding area, described
Chassis is driven by chassis rotating stepper motor and rotates；
Described automatic feeder includes that column, described column are vertically arranged in center chassis, and column top is pacified
Equipped with feed bin, the edge of described feed bin arranges lower section has several feeding hoppers, the discharging opening of described feeding hopper to divide
It is not positioned at the top of each trough.
The pig farm using said structure becomes more meticulous feeding system, and fence jacking system, overhead door all keep rising
State, when raising pig feed, is introduced on the weighing machine in passage, now falls fence jacking system,
After making raising pig keep certain time on weighing machine, measure body weight, then rise fence jacking system, make to raise
Raise pigs and enter in feeding area relative with passage on chassis through passage, turn off overhead door.Now by
Chassis rotating stepper motor drives chassis to rotate, and makes next vacant feeding area rotate to the exit of passage
Raise pig for next head to enter.When raising after pig enters in feeding area, by the body weight measured, from
Fall a certain amount of pig feed on feeding hopper to enter in trough for raising pig feed, eat up pig when raising pig
After feedstuff in crib, open overhead door, make raising pig walk out from this feeding area.This feeding system can
Individually to carry out the accurate supply of feedstuff according to the body weight of each, it is achieved that the supply that becomes more meticulous of feedstuff, with
Time due to raise pig the most before need just can be obtained food by passage, add raise pig quantity of motion,
Improve survival rate.
As preferably, described fence jacking system includes fence, the fence of side and left and right two before and after weighing machine
Weighing machine is surrounded wherein by the fence of side jointly, and the left side of described fence is placed in vertical slide rail, right side
It is fixedly connected with travelling nut, in described travelling nut, is set with screw mandrel, the lower end of described screw mandrel and folding electricity
The outfan of machine is connected.
As preferably, described fence jacking system includes fence photoelectric sensor, described fence photoelectric sensor
It is positioned at the space that fence surrounds with fence.
As preferably, the left side of described overhead door is placed in vertical guide rail, and right side is fixedly connected with liter
Fall nut, is set with elevating screw, the lower end of described elevating screw and lifting motor in described lifting nut
Outfan is connected, and described guide rail and lifting motor are fixedly installed on chassis.
As preferably, in described feeding area, it is provided with lifting photoelectric sensor.
As preferably, described chassis is driven by chassis rotating stepper motor driven gear exchange system, institute
State gear wheel reversing system and be positioned at below chassis, including driving gear, driven gear, driving shaft and driven shaft,
One end of described driven shaft is fixedly connected on lower surface center, chassis, and the other end is installed with driven gear, described
Driven gear is meshed with driving gear, and described driving gear is solidly set on one end of driving shaft, described driving shaft
It is connected with the output shaft of chassis rotating stepper motor.
As preferably, the upper surface on described chassis is with the bottom surface of passage in the same horizontal line.
As preferably, described feeding hopper includes the bucket body surrounded by four blocks of side plates, and the top of described bucket body is
Feed end, bottom is discharge end, and the top of bucket body is connected with the bottom surface of feed bin；The lower section of described bucket body
Being provided with vane type feeding device, described vane type feeding utensil has a central rotation cylinder, described central rotation cylinder with
The output shaft of blade rotating stepper motor is fixedly linked, several blades on central rotation cylinder side face, and
Two end faces of central rotation cylinder are symmetrically arranged with striker plate, two pieces of striker plates and adjacent two pieces of blades
Jointly it is encircled into splicing storehouse, and when vane type feeding device is static, the splicing storehouse immediately below described bucket body and bucket
The discharge end of body surrounds the space of all round closure jointly.
As preferably, described striker plate is circular, and two pieces of side plate bottom above two pieces of striker plates all have
Arc-shaped notch, the radian of described arc-shaped notch is identical with the radian of striker plate.
As preferably, the base plate of described trough is floating type base plate, is provided with pressure and passes below base plate
Sensor.
The beneficial effects of the utility model are: this utility model is raised pig by weighing system to each and entered
Body weight before food measures, and is then supplied simultaneously to bull by rotatable device for feeding and raises pig, finally
Realized the accurate supply of feedstuff by automatic feeder, while reducing feed cost, also improve
Raise the survival rate of pig.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one detailed description of the invention.
Fig. 2 is the structural representation of fence jacking system in Fig. 1.
Fig. 3 is the plan structure schematic diagram of Fig. 2.
Fig. 4 is the structural representation of overhead door in Fig. 1.
Fig. 5 is the plan structure schematic diagram of Fig. 4.
Fig. 6 is the structural representation of the present embodiment middle gear exchange system.
Fig. 7 is the structural representation of single trough in Fig. 1.
Fig. 8 is the structural representation of single feeding area in Fig. 1.
Fig. 9 be in Fig. 8 the A-A of bucket body and vane type feeding device to sectional structure schematic diagram.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the present embodiment
Rotate including fence 1, passage 2, weighing machine 3, chassis 4, box stall 5, column 6, feed bin 7, chassis
Motor 8, fence 9, slide rail 10, travelling nut 11, screw mandrel 12, folding motor 13, driving gear
14, driven gear 15, driving shaft 16, driven shaft 17, trough 18, bucket body 19, vane type feeding device
20, fence photoelectric sensor 22, overhead door 23, guide rail 24, lifting nut 25, elevating screw 26, liter
Fall motor 27, the lifting parts such as photoelectric sensor 28 and pressure transducer 29, described weighing system a includes
The passage 2 surrounded by fence 1, described passage 2 ground is placed with weighing machine 3, before described weighing machine 3,
It is common by body weight with the fence 1 of both sides that rear side is provided with fence jacking system d, described fence jacking system d
Meter 3 encirclement is wherein.
Described fence jacking system d includes fence 9, the fence 9 of side and enclosing of the left and right sides before and after weighing machine 3
Weighing machine 3 is surrounded wherein by hurdle 1 jointly, and the left side of described fence 9 is placed in vertical slide rail 10, right
Side is fixedly connected with travelling nut 11, is set with screw mandrel 12 in described travelling nut 11, described screw mandrel 12
Lower end is connected with the outfan of folding motor 13.
Described fence jacking system d includes that fence photoelectric sensor 22, described fence photoelectric sensor 22 are positioned at
In the space that fence 9 and fence 1 surround.
Described chassis 4 is arranged on the exit of passage 2, the upper surface on described chassis 4 and the bottom surface of passage 2
In the same horizontal line, this chassis 4 is by the feeding area 4a that box stall 5 even partition is several sectors, often
Being provided with overhead door 23 between individual feeding area 4a and passage 2, the left side of described overhead door 23 is placed on perpendicular
To guide rail 24 in, right side is fixedly connected with lifting nut 25, is set with lifting in described lifting nut 25
Screw mandrel 26, the lower end of described elevating screw 26 is connected with the outfan of lifting motor 27, described guide rail 24 He
Lifting motor 27 is fixedly installed on chassis 4.
It is provided with in each feeding area 4a in lifting photoelectric sensor 28, and each feeding area 4a and is respectively provided with
Having trough 18, the base plate 18a of described trough 18 is floating type base plate, is provided with below base plate 18a
Pressure transducer 29.
Described chassis 4 is driven by chassis rotating stepper motor 8 driven gear exchange system and rotates.Described gear
Exchange system is positioned at below chassis 4, including driving gear 14, driven gear 15, driving shaft 16 and driven
Axle 17, one end of described driven shaft 17 is fixedly connected on lower surface center, chassis 4, and the other end is installed with driven
Gear 15, described driven gear 15 is meshed with driving gear 14, and described driving gear 14 is solidly set on actively
One end of axle 16, described driving shaft 16 is connected with the output shaft of chassis rotating stepper motor 8.
Described column 6 is vertically arranged in center, chassis 4, and column 6 top is provided with feed bin 7, described feed bin 7
Edge below be provided with several feeding hoppers, the discharging opening of described feeding hopper lays respectively at each trough 18
Top.
Described feeding hopper includes the bucket body 19 surrounded by four pieces of side plate 19a, and the top of described bucket body 19 is charging
End, bottom is discharge end, and the top of bucket body 19 is connected with the bottom surface of feed bin 7；Described bucket body 19
Lower section is provided with vane type feeding device 20, and described vane type feeding device 20 has central rotation cylinder 20a, described
Central rotation cylinder 20a is fixedly linked with the output shaft of blade rotating stepper motor 21, at central rotation cylinder 20a
Several blades 20b on side face, and it is symmetrically arranged with striker plate on two end faces of central rotation cylinder 20a
20c, described central rotation cylinder 20a, two pieces of striker plate 20c and adjacent two pieces of blade 20b are encircled into jointly
Splicing storehouse 20d, and when vane type feeding device 20 is static, the splicing storehouse 20d immediately below described bucket body 19 with
The discharge end of bucket body 19 surrounds the space of all round closure jointly.
Described striker plate 20c is circular, all has bottom two pieces of side plate 19a above two pieces of striker plate 20c
Arc-shaped notch 21, the radian of described arc-shaped notch 21 is identical with the radian of striker plate 20c.
Operation principle:
When raising pig feed, it is introduced on the weighing machine 3 in passage 2, by fence photoelectric sensor 22
When sensing raising pig, drive screw mandrel 12 to rotate by folding motor 13, thus fall fence 9, make raising
After pig keeps certain time on weighing machine 3, measure body weight, then rise fence 9.Make raising pig through passage
2 enter in feeding area 4a relative with passage 2 on chassis 4, and lifting photoelectric sensor 28 senses raising
During pig, drive elevating screw 26 to rotate now by lifting motor 27, thus fall overhead door 23.Lead to again
Cross chassis rotating stepper motor 8 driven gear exchange system to drive, thus drive chassis 4 to rotate, make next
Individual vacant feeding area 4a rotates to the exit of passage 2 and raises pig entrance for next.Enter when raising pig
After entering in the 4a of feeding area, show that this raising pig needs the amount of the pig feed of feed, leaf by the body weight measured
Sheet rotating stepper motor 21 drives central rotation cylinder 20a to rotate, so that blade 20b rotates to an angle,
The pig feed in the splicing storehouse 20d of the top is made to enter into for raising pig feed in trough 18, until pig feed
Pressure transducer 29 in groove 18 senses and stops when feedstuff is for reaching quantitative in trough 18.When pressure passes
It is rear that sensor 29 senses that the pig feed in trough 18 is eaten up, and drives elevating screw by lifting motor 27
26 rotate, thus open overhead door 23, make raising pig walk out from the 4a of this feeding area.
Preferred embodiment of the present utility model described in detail above.Should be appreciated that the common of this area
Technical staff just can make many modifications and variations according to design of the present utility model without creative work.
Therefore, all technical staff in the art pass through on the basis of existing technology according to design of the present utility model
The available technical scheme of logical analysis, reasoning, or a limited experiment, all should be by claims institute
In the protection domain determined.
Claims (10)
1. plant's unmanned automatic feeding intelligence system, is characterized in that: include weighing system, can
Rotate device for feeding and automatic feeder；
Described weighing system includes the passage surrounded by fence, described passage ground is placed with weighing machine, institute
Stating the forward and backward side of weighing machine and be provided with fence jacking system, described fence jacking system is total to the fence of both sides
Surround wherein with by weighing machine；
Described rotatable device for feeding includes that chassis, described chassis are arranged on the exit of passage, this chassis by
Box stall even partition is the feeding area of several sectors, is provided with lifting between each feeding area and passage
Door, and in each feeding area, it is provided with trough, described chassis is driven by chassis rotating stepper motor and rotates；
Described automatic feeder includes that column, described column are vertically arranged in center chassis, and column top is pacified
Equipped with feed bin, being provided with several feeding hoppers below the edge of described feed bin, the discharging opening of described feeding hopper divides
It is not positioned at the top of each trough.
2. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that: institute
Stating fence jacking system and include fence, before and after weighing machine, the fence of side and the fence of the left and right sides are jointly by body weight
Meter surrounds wherein, and the left side of described fence is placed in vertical slide rail, and right side is fixedly connected with travelling nut,
Being set with screw mandrel in described travelling nut, the lower end of described screw mandrel is connected with the outfan of folding motor.
3. plant as claimed in claim 1 or 2 unmanned automatic feeding intelligence system, is characterized in that:
Described fence jacking system includes that fence photoelectric sensor, described fence photoelectric sensor are positioned at fence and fence
In the space surrounded.
4. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that: institute
The left side stating overhead door is placed in vertical guide rail, and right side is fixedly connected with lifting nut, described lifting spiral shell
Being set with elevating screw in mother, the lower end of described elevating screw is connected with the outfan of lifting motor, described in lead
Rail and lifting motor are fixedly installed on chassis.
5. the plant's unmanned automatic feeding intelligence system as described in claim 1 or 4, is characterized in that:
Lifting photoelectric sensor it is provided with in described feeding area.
6. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that: institute
Stating chassis to be driven by chassis rotating stepper motor driven gear exchange system, described gear wheel reversing system is positioned at
Below chassis, including driving gear, driven gear, driving shaft and driven shaft, one end of described driven shaft is solid
Surely being connected to lower surface center, chassis, the other end is installed with driven gear, described driven gear and driving gear
Being meshed, described driving gear is solidly set on one end of driving shaft, described driving shaft and chassis rotating stepper motor
Output shaft be connected.
7. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that: institute
State the bottom surface of the upper surface on chassis and passage in the same horizontal line.
8. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that: institute
Stating the bucket body that feeding hopper includes being surrounded by four blocks of side plates, the top of described bucket body is feed end, and bottom is discharging
Hold, and the top of bucket body is connected with the bottom surface of feed bin；The lower section of described bucket body is provided with vane type feeding device,
Described vane type feeding utensil has central rotation cylinder, and described central rotation cylinder is defeated with blade rotating stepper motor
Shaft is fixedly linked, several blades on central rotation cylinder side face, and at two ends of central rotation cylinder
It is symmetrically arranged with striker plate, two pieces of striker plates and adjacent two pieces of blades on face and is jointly encircled into splicing storehouse, and
When vane type feeding device is static, the splicing storehouse immediately below described bucket body surrounds four jointly with the discharge end of bucket body
The space that week is closed.
9. plant as claimed in claim 8 unmanned automatic feeding intelligence system, is characterized in that: institute
Stating striker plate is circle, and two pieces of side plate bottom above two pieces of striker plates all have arc-shaped notch, described arc
The radian of recess is identical with the radian of striker plate.
10. plant as claimed in claim 1 unmanned automatic feeding intelligence system, is characterized in that:
The base plate of described trough is floating type base plate, is provided with pressure transducer below base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394092.0U CN205694905U (en) | 2016-05-04 | 2016-05-04 | Plant's unmanned automatic feeding intelligence system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394092.0U CN205694905U (en) | 2016-05-04 | 2016-05-04 | Plant's unmanned automatic feeding intelligence system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205694905U true CN205694905U (en) | 2016-11-23 |
Family
ID=57333124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620394092.0U Expired - Fee Related CN205694905U (en) | 2016-05-04 | 2016-05-04 | Plant's unmanned automatic feeding intelligence system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205694905U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047472A (en) * | 2017-05-15 | 2017-08-18 | 临沂大学 | A kind of portable automatic charging device for feeding for bullog cultivation |
| CN107182815A (en) * | 2017-04-12 | 2017-09-22 | 丁永胜 | A kind of sheep feeding system and method based on health status |
| CN108552069A (en) * | 2017-12-03 | 2018-09-21 | 贵州省台江县永丰农业发展有限公司 | A kind of black wool pig cultivation drawing-in device |
| CN108812369A (en) * | 2018-06-21 | 2018-11-16 | 深圳市创颉科技有限公司 | A kind of feeding device of the livestock-raising with automatic rotation feeding function |
| CN109105270A (en) * | 2018-09-05 | 2019-01-01 | 重庆市畜牧科学院 | A kind of fattening pig feeding device |
| CN109380146A (en) * | 2018-11-16 | 2019-02-26 | 华中农业大学 | Live pig self-operated measuring unit and method |
| CN110755226A (en) * | 2019-10-25 | 2020-02-07 | 金灿 | Isolation examination device for patient with helicobacter pylori in stomach |
| CN110999871A (en) * | 2019-12-29 | 2020-04-14 | 山西大学 | An experimental breeding cage for migratory locusts |
-
2016
- 2016-05-04 CN CN201620394092.0U patent/CN205694905U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107182815A (en) * | 2017-04-12 | 2017-09-22 | 丁永胜 | A kind of sheep feeding system and method based on health status |
| CN107047472A (en) * | 2017-05-15 | 2017-08-18 | 临沂大学 | A kind of portable automatic charging device for feeding for bullog cultivation |
| CN108552069A (en) * | 2017-12-03 | 2018-09-21 | 贵州省台江县永丰农业发展有限公司 | A kind of black wool pig cultivation drawing-in device |
| CN108552069B (en) * | 2017-12-03 | 2024-03-22 | 贵州省台江县永丰农业发展有限公司 | Feeding device is bred to black pig |
| CN108812369A (en) * | 2018-06-21 | 2018-11-16 | 深圳市创颉科技有限公司 | A kind of feeding device of the livestock-raising with automatic rotation feeding function |
| CN109105270A (en) * | 2018-09-05 | 2019-01-01 | 重庆市畜牧科学院 | A kind of fattening pig feeding device |
| CN109380146A (en) * | 2018-11-16 | 2019-02-26 | 华中农业大学 | Live pig self-operated measuring unit and method |
| CN110755226A (en) * | 2019-10-25 | 2020-02-07 | 金灿 | Isolation examination device for patient with helicobacter pylori in stomach |
| CN110999871A (en) * | 2019-12-29 | 2020-04-14 | 山西大学 | An experimental breeding cage for migratory locusts |
| CN110999871B (en) * | 2019-12-29 | 2020-12-25 | 山西大学 | Cage is bred in migratory locust experiment |
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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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yudai Inventor after: Chen Jinrong Inventor before: Zhang Yudai |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161201 Address after: 518054 Guangdong city of Shenzhen province Nanshan District Guangdong streets Kexing Science Park Keyuan Road Building 705 A1 Patentee after: Shenzhen Tian Peng biological Co., Ltd. Address before: 400050 Chongqing Jiulongpo Tianxing Road No. 6 Building 1 8-2 Patentee before: Zhang Yudai |
|
| 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: 20161123 Termination date: 20180504 |