CN203099035U - Flow measurement network control valve - Google Patents
Flow measurement network control valve Download PDFInfo
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- CN203099035U CN203099035U CN 201320079395 CN201320079395U CN203099035U CN 203099035 U CN203099035 U CN 203099035U CN 201320079395 CN201320079395 CN 201320079395 CN 201320079395 U CN201320079395 U CN 201320079395U CN 203099035 U CN203099035 U CN 203099035U
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- Prior art keywords
- flow measurement
- self
- control valve
- network control
- impeller
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- 238000005259 measurement Methods 0.000 title claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003292 glue Substances 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 229910052770 Uranium Inorganic materials 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 239000010437 gem Substances 0.000 description 6
- 229910001751 gemstone Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to the fluid measurement control field, in particular to a flow measurement network control valve. The flow measurement network control valve is characterized in that a shell, a flow measurement movement and a self-holding magnetic valve body are included, wherein the flow measurement movement and the self-holding magnetic valve body are arranged inside the shell, the flow measurement movement comprises an impeller, a permanent magnet ring core, an inductive revolution sensor and a circuit bin, the impeller is located on a water inlet channel of the shell, the permanent magnet ring core is arranged on the top of an impeller shaft, and a non-contact inductive revolution sensor is arranged above the permanent magnet ring core. The self-holding magnetic valve body comprises a power supply box, a valve water inlet, a self-holding magnetic valve and a rubber bowl, the rubber bowl is located at the end portion of a movable iron core of the self-holding magnetic valve, the valve water inlet is communicated with a draining side of the impeller, and the rubber bowl is located on a pore channel which leads to a water outlet channel of the shell. Compared with the prior art, the flow measurement network control valve has the advantages that a full digital type and network intelligentization are achieved, flow measurement and a micro-power control valve are combined into one, and high-efficiency enterprise production is guaranteed.
Description
Technical field
The utility model relates to fluid metering control field, is specifically related to a kind of flow measurement network control valve.
Background technique
The valve control techniques of liquid flow mearuement and integrated flow is used extremely extensively in reality production and life, everyly needs to be grasped the problem that all there are flow measurement and control in place that fluid flows.Flow and temperature, pressure, weight are the same, it is the important parameter of thermal technology, chemical process, people exercise supervision to production procedure according to these parameters and control, and the automation of realization production procedure, this is to improving the quality and the output of product, ensure production safety, improve operating procedure, improving conditions of manufacture and scientific experiment etc. has significance.Simultaneously, flow measurement is the important evidence that business economic is adjusted, and flow measurement is that the production of assurance enterprise is efficiently carried out accurately and reliably, guarantees one of important means of energy-conservation and optimum economic benefit.
Mostly traditional flow metering method is to adopt complicated flow transducer, flow transmitter, extract analog flow signals, through conversion, amplification is sent into pointer-type again or digital displaying meter shows, or deliver to controller, flow is controlled, and this mode is referred to as analogue measurement and simulation control.Another kind is digital measurement or digital control, is analogue signal Zhuan Change is become digital signal, sends into micro computer again and handles and store or control, and this mode is referred to as digital measurement and digital control.
The deficiency of the valve control techniques of aforesaid liquid flow measurement and integrated flow is:
1) measuring device complexity, line is many, the cost height;
2) measure based on the analogue signal transmission, signal is subject to disturb, and measuring accuracy and resolution are all low;
3) control of the analogue measurement of flow and flow is not easy to intelligent the processing and the accumulative total and the storage of data;
4) control of the flow valves such as electronic, pneumatic or hydraulic pressure that adopt more, its device is huge, power consumption is big, cost is high, and flow measurement device and control valve split setting, and its installation is taken up an area of big, connecting line (pipe) road complexity.
Summary of the invention
The purpose of this utility model is the development by means of micro computer, micromechanism and network intelligence technology, and a kind of full digital, wired, wireless intelligent network are provided, and the metering of afflux amount and little power consumption control valve are in the flow measurement network control valve of one.
In order to achieve the above object, the utility model adopts following technological scheme to realize:
A kind of flow measurement network control valve comprises housing, flow measurement movement, self-holding electromagnetic valve door main body, is provided with flow measurement movement and self-holding electromagnetic valve door main body in the housing; Described flow measurement movement comprises impeller, permanent magnetism ring core, induction type tachometer generator and circuit storehouse, impeller is positioned on the intake tunnel of housing, the top of impeller shaft is provided with the permanent magnetism ring core, and the top of permanent magnetism ring core is provided with the induction type tachometer generator, and the circuit position in storehouse is in the top of housing; Described self-holding electromagnetic valve door main body comprises power box, valve water intake, self-holding electromagnetic valve and glue bowl, and the glue bowl is positioned at the moving core ends of self-holding electromagnetic valve, and the valve water intake communicates with the drain-side of impeller, and the glue bowl is positioned on the duct of leading to the housing exhalant canal.
Be provided with the embedded microcomputer circuit plate of DSP in the described circuit storehouse, circuit board is provided with LCD display, and the top of LCD display is provided with cover plate.Micro computer links to each other with power supply, bluetooth transceiver, GPRS wireless module, display screen, button, amplification and rectification circuit, RS-485 drive circuit and electromagnetic coil driving circuit respectively in the embedded microcomputer circuit plate of described DSP, and electromagnetic coil driving circuit is provided with A, B, four input ends of C, D.
A, B, C, D end difference incoming control signal in the described electromagnetic coil driving circuit, U
A, U
B, U
C, U
DBe photo coupler, R
A1, R
B1, R
C1, R
D1Be the current-limiting resistance of light emitting diode in each photo coupler, the phototriode in four photo couplers is respectively at signal A, B, C, D end during for low level, the light emitting diode conducting, and then make the conducting of phototriode base, and then pass through R
A2, R
A3Or R
B2, R
B3Or R
C2, R
C3Or R
D2, R
D3Dividing potential drop makes T
A, T
B, T
C, T
DFour drive each corresponding base stage conducting in the triode, make electromagnetic coil L have electric current to flow through, moving iron core action.
Described induction type tachometer generator comprises shell, last inductor, following inductor, rotating shaft and circuit board, vertically be provided with rotating shaft in the sealing shell, following inductor links to each other by the back shaft bearing sleeve with rotating shaft, and following inductor bottom is provided with magnet ring, and last inductor is located at the circuit board below that links to each other with shell.
Described inductor down is that two annular bilateral symmetry of fan are located on the supporting plate, and each fan annulus area is no less than 1/4 of supporting plate surface area.
Described self-holding electromagnetic valve comprises plastic jacket, moving iron core, coil and permanent magnet, and the plastic jacket interior loop is located at the permanent magnet below, and moving iron core is located at hub of a spool, and moving iron core root is provided with Returnning spring.
Compared with prior art, the beneficial effects of the utility model are: realization full digital, wired and wireless intelligent network are controlled, the metering of afflux amount and little power consumption control valve are in one, compact structure, low in energy consumption, can participate in the supervision and the control of production procedure, particularly also can be used for portable liquid quantitative under the remote control supplies with, as occasions such as supply of tank car liquid quantitative or agricultural water quantifying irrigations, realize the automation of production procedure, improve the quality and the output of product, ensure production safety, guarantee efficiently carrying out of enterprise's production.
Description of drawings
Fig. 1 is the utility model example structure schematic representation;
Fig. 2 is an induction type tachometer generator structural representation among Fig. 1;
Fig. 3 is a following inductor layout schematic representation of analysing and observe demonstration among Fig. 2 along A-A line;
Fig. 4 is a self-holding electromagnetic valve structural representation among Fig. 1;
Fig. 5 is the utility model control system theory diagram;
Fig. 6 is an electromagnetism electric coil drive circuit schematic diagram among Fig. 5.
wherein: 1-display screen protective cover, the 2-LCD display screen, the embedded microcomputer circuit plate of 3-DSP, 4-display screen upper cover 5-induction type tachometer generator, 6-power supply 7-power pack, the 8-self-holding electromagnetic valve, , 9-sealing gasket one, 10-self-holding electromagnetic valve door main body, 11-sealing gasket two, 12-valve water inlet, 13-permanent magnetism ring core, the 14-housing, the 15-impeller, 16-flow measurement movement, the 17-filter screen, , 18-sealing ring one, 19-sealing ring two, the 20-core upper cover, 21-movement gland, 22-circuit storehouse, the 23-screw, the 24-screw, the 25-shell, 26-back shaft bearing sleeve, 27-lower bearing copper overcoat, 28-jewel thrust bearing, 29-is jewel bearing radially, the 30-magnet ring, the 31-supporting plate, inductor under 32-, the upper inductor of 33-, the 34-circuit board, the 35-electronic device, the 36-encapsulant, 37-upper bearing (metal) copper overcoat, 38-adjusts screw, the upper endstone of 39-, the 40-lead-in wire, jewel bearing radially on 41-, the 42-rotating shaft, the 43-coil lead, the 44-coil, the 45-magazine, 46-glue bowl lower clamping ring, trim ring on 47-glue bowl, the 48-packing ring, the 49-screw, the 50-pressure ring, 51-glue bowl, 52-stainless steel lining, 53-moves iron core, the 54-plastic jacket, the 55-back-moving spring, the 56-permanent magnet
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As Fig. 1, be a kind of flow measurement network control of the utility model valve example structure schematic representation, comprise housing 14, flow measurement movement 16, self-holding electromagnetic valve door main body 10, be provided with flow measurement movement 16 and self-holding electromagnetic valve door main body 10 in the housing 14; Flow measurement movement 16 comprises impeller 15, permanent magnetism ring core 13, induction type tachometer generator 5 and circuit storehouse 22, circuit storehouse 22 is connected on the movement gland 21 by screw 24, movement gland 21 belows are core upper covers 20, be provided with seal ring 1 between flow measurement movement and the housing, be provided with seal ring 2 19 between core upper cover 20 and the housing, impeller 15 is positioned on the intake tunnel of housing 14, the impeller water inlet side is provided with filter screen 17, the top of impeller shaft is provided with permanent magnetism ring core 13, the top of permanent magnetism ring core 13 is provided with induction type tachometer generator 5, and circuit storehouse 22 is positioned at the top of housing; Self-holding electromagnetic valve door main body 10 comprises power box 7, valve water intake 12, self-holding electromagnetic valve 8 and glue bowl 51, be provided with power supply 6 in the power box 7, power supply 6 is lithium cell 3.4V or DC/DC transducer, glue bowl 51 is positioned at the moving core ends of self-holding electromagnetic valve 8, valve water intake 12 communicates with the drain-side of impeller 15, and glue bowl 51 is positioned on the duct of leading to housing 14 exhalant canals.Be provided with sealing gasket 1 between self-holding electromagnetic valve door main body 10 tops and the housing, be provided with sealing gasket 2 11 between bottom and the housing.
Be provided with the embedded microcomputer circuit plate 3 of DSP in the circuit storehouse 22; circuit board is provided with LCD display 2; the top of LCD display 2 is provided with transparent cover plate 4, and the top of cover plate 4 is provided with display screen safety cover 1, and the embedded microcomputer circuit plate 3 of DSP is fixed in the circuit storehouse 22 by screw 23.
See Fig. 2, the induction type tachometer generator comprises shell 25, last inductor 33, following inductor 32, rotating shaft 42 and circuit board 34, vertically be provided with rotating shaft 42 in the sealing shell 25, link to each other by upper bearing (metal) copper overcoat 37 on the rotating shaft with between the shell, link to each other by lower bearing copper overcoat 27 between rotating shaft lower end and the shell, be provided with radially jewel bearing 29 and jewel thrust bearing 28 between rotating shaft upper end and the upper bearing (metal) copper overcoat 37, be provided with radially jewel bearing 41 and last endstone 39 between rotating shaft lower end and the lower bearing copper overcoat 27, establish in the upper bearing (metal) copper overcoat 37 and adjust screw 38, adjusting screw 38 links to each other with last endstone 39, following inductor 32 links to each other by back shaft bearing sleeve 26 with rotating shaft 42, following inductor 32 bottoms are provided with magnet ring 30, be provided with supporting plate 31 between following inductor 32 and the magnet ring 30, last inductor 33 is located at the below of the circuit board 34 that links to each other with shell, sealing material 36 seals shell fully, and lead-in wire 40 is drawn by a side of shell.
The rotation in impeller is directly picked up from the pulse of induction type tachometer generator, by magnetic coupling, without any gear, does not have additional drag.One week of wheel rotation produces two metrical pulses, measures through delivering to data processing system after the amplification shaping.By the reasonable setting of flow measurement movement, make every liter of flow of liquid out-of-date, produce nearly 2000 flow measurement pulses, satisfied the high resolution requirement, and the flow measurement precision can reach 0.5%.
See Fig. 3, following inductor 32 is that two annular bilateral symmetry of fan are located on the supporting plate 31, and each fan annulus area is no less than 1/4 of supporting plate surface area.Last inductor 33 shapes are consistent with following inductor 32.
See Fig. 4, self-holding electromagnetic valve comprises plastic jacket 54, moving iron core 53, coil 44 and permanent magnet 56, plastic jacket 54 interior loop 44 are located in the magazine 45 of permanent magnet 56 belows, moving iron core 53 is located at coil 44 centers, be provided with stainless steel lining 52 between moving iron core 53 and the coil 44, moving iron core 53 roots are provided with Returnning spring 55, coil lead 43 is drawn by a side of plastic jacket 54, the bottom of magazine is provided with pressure ring 50, glue bowl 51 is by screw 49, packing ring 48 links to each other with moving iron core 53 ends, be provided with trim ring 47 on the glue bowl between glue bowl 51 centers and the moving iron core, the glue bowl edge links to each other with pressure ring 50 by glue bowl lower clamping ring 46.
See Fig. 5, the embedded micro computer of DSP links to each other with power supply, bluetooth transceiver, GPRS wireless module, display screen, button, amplification and rectification circuit, RS-485 drive circuit and electromagnetic coil driving circuit respectively in the embedded microcomputer circuit plate of DSP, and electromagnetic coil driving circuit is provided with A, B, four input ends of C, D.
See Fig. 6, A, B, C, D end difference incoming control signal in the electromagnetic coil driving circuit, U
A, U
B, U
C, U
DBe photo coupler, promptly isolator when preventing that electromagnetic coil is connected to high voltage, damages the control system of network traffics metering control valve.R
A1, R
B1, R
C1, R
D1Be the current-limiting resistance of light emitting diode in each photo coupler, by power supply VCC and current-limiting resistance R
A1, R
B1, R
C1, R
D1Provide suitable current to light emitting diode, be generally 5mA～10 mA, the phototriode in four photo couplers is respectively at signal A, B, C, D end during for low level, the light emitting diode conducting, and then make the conducting of phototriode base, and then pass through R
A2, R
A3Or R
B2, R
B3Or R
C2, R
C3Or R
D2, R
D3Dividing potential drop makes T
A, T
B, T
C, T
DFour drive each corresponding base stage conducting in the triode, make electromagnetic coil L have electric current to flow through, moving iron core action, and when A, B end was low level, electromagnetic coil L had the solid line current direction to flow through, and control electromagnetic valve is closed; When C, D end was low level, electromagnetic coil L had the dotted line current direction to flow through, and control electromagnetic valve is opened.
Electromagnetism electric coil control principle: when signal end A, B are low level simultaneously, when C, D are high level simultaneously, T
A, T
BConducting, T
C, T
DEnd, have the solid line directional current to flow through on the electromagnetic coil L, suppose that the moving iron core of electromagnet moves downward valve closing; And work as signal end A, B is high level simultaneously, when C, D are low level simultaneously, and T
A, T
BEnd T
C, T
DConducting has the dotted line directional current to flow through on the electromagnetic coil L, at this moment the moving iron core of electromagnet moves upward, valve open, and after the signal end signal keeps a period of time, both made not plus signal, electromagnet still can maintain the original state, and is the self-sustaining state, thereby realizes cutting down the consumption of energy.
Claims (7)
1. a flow measurement network control valve is characterized in that, comprises housing, flow measurement movement, self-holding electromagnetic valve door main body, is provided with flow measurement movement and self-holding electromagnetic valve door main body in the housing; Described flow measurement movement comprises impeller, permanent magnetism ring core, induction type tachometer generator and circuit storehouse, impeller is positioned on the intake tunnel of housing, the top of impeller shaft is provided with the permanent magnetism ring core, and the top of permanent magnetism ring core is provided with the induction type tachometer generator, and the circuit position in storehouse is in the top of housing; Described self-holding electromagnetic valve door main body comprises power box, valve water intake, self-holding electromagnetic valve and glue bowl, and the glue bowl is positioned at the moving core ends of self-holding electromagnetic valve, and the valve water intake communicates with the drain-side of impeller, and the glue bowl is positioned on the duct of leading to the housing exhalant canal.
2. a kind of flow measurement network control valve according to claim 1 is characterized in that, is provided with the embedded microcomputer circuit plate of DSP in the described circuit storehouse, and circuit board is provided with LCD display, and the top of LCD display is provided with cover plate.
3. a kind of flow measurement network control valve according to claim 2, it is characterized in that, micro computer links to each other with power supply, bluetooth transceiver, GPRS wireless module, display screen, button, amplification and rectification circuit, RS-485 drive circuit and electromagnetic coil driving circuit respectively in the embedded microcomputer circuit plate of described DSP, and electromagnetic coil driving circuit is provided with A, B, four input ends of C, D.
4. a kind of flow measurement network control valve according to claim 3 is characterized in that, A, B, C, D end difference incoming control signal in the described electromagnetic coil driving circuit, U
A, U
B, U
C, U
DBe photo coupler, R
A1, R
B1, R
C1, R
D1Current-limiting resistance for light emitting diode in each photo coupler.
5. a kind of flow measurement network control valve according to claim 1, it is characterized in that, described induction type tachometer generator comprises shell, last inductor, following inductor, rotating shaft and circuit board, vertically be provided with rotating shaft in the sealing shell, following inductor links to each other by the back shaft bearing sleeve with rotating shaft, following inductor bottom is provided with magnet ring, and last inductor is located at the circuit board below that links to each other with shell.
6. a kind of flow measurement network control valve according to claim 5 is characterized in that, described inductor down is that two annular bilateral symmetry of fan are located on the supporting plate, and each fan annulus area is no less than 1/4 of supporting plate surface area.
7. a kind of flow measurement network control valve according to claim 1, it is characterized in that described self-holding electromagnetic valve comprises plastic jacket, moving iron core, coil and permanent magnet, the plastic jacket interior loop is located at the permanent magnet below, moving iron core is located at hub of a spool, and moving iron core root is provided with Returnning spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079395 CN203099035U (en) | 2013-02-19 | 2013-02-19 | Flow measurement network control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320079395 CN203099035U (en) | 2013-02-19 | 2013-02-19 | Flow measurement network control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099035U true CN203099035U (en) | 2013-07-31 |
Family
ID=48850440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320079395 Expired - Fee Related CN203099035U (en) | 2013-02-19 | 2013-02-19 | Flow measurement network control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203099035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115184A (en) * | 2013-02-19 | 2013-05-22 | 辽宁科技大学 | Flow measurement network control valve |
-
2013
- 2013-02-19 CN CN 201320079395 patent/CN203099035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115184A (en) * | 2013-02-19 | 2013-05-22 | 辽宁科技大学 | Flow measurement network control valve |
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Owner name: UNIVERSITY OF SCIENCE AND TECHNOLOGY LIAONING, SCI Free format text: FORMER OWNER: LIAONING SCIENCE AND TECHNOLOGY UNIV. Effective date: 20150210 |
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Free format text: CORRECT: ADDRESS; FROM: 114044 ANSHAN, LIAONING PROVINCE TO: 114001 ANSHAN, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150210 Address after: 114001 No. 185 Qianshan Middle Road, hi tech Zone, Liaoning, Anshan Patentee after: University of Science and Technology Liaoning Science Park Development Co., Ltd. Address before: 114044 Telecommunication College, Qianshan Middle Road, Anshan, Liaoning, 185 Patentee before: Liaoning Science and Technology Univ. |
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| ASS | Succession or assignment of patent right |
Owner name: LIAONING KEDA JULONG GROUP TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: UNIVERSITY OF SCIENCE AND TECHNOLOGY LIAONING, SCIENCE PARK DEVELOPMENT CO., LTD. Effective date: 20150505 |
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Free format text: CORRECT: ADDRESS; FROM: 114001 ANSHAN, LIAONING PROVINCE TO: 114044 ANSHAN, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150505 Address after: 114044 Anshan city of Liaoning Province Qianshan District Qianshan Road No. 302 Patentee after: Liaoning Julong Julong Group Technology Co., Ltd. Address before: 114001 No. 185 Qianshan Middle Road, hi tech Zone, Liaoning, Anshan Patentee before: University of Science and Technology Liaoning Science Park Development Co., Ltd. |
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Effective date of registration: 20190321 Address after: Room 5050, Block A, No. 1, West Ling, Yuxinzhuang Village, Shahe Town, Changping District, Beijing 102200 Patentee after: Dazhiran (Beijing) Eco-agriculture Co., Ltd. Address before: 114044 Qianshan Road 302, Qianshan District, Anshan City, Liaoning Province Patentee before: Liaoning Julong Julong Group Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20210219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |