CN108267303B - Expansion valve detects platform - Google Patents
Expansion valve detects platform Download PDFInfo
- Publication number
- CN108267303B CN108267303B CN201710002461.6A CN201710002461A CN108267303B CN 108267303 B CN108267303 B CN 108267303B CN 201710002461 A CN201710002461 A CN 201710002461A CN 108267303 B CN108267303 B CN 108267303B
- Authority
- CN
- China
- Prior art keywords
- fixed block
- taking
- valve body
- cylinder
- water tank
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000005457 ice water Substances 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an expansion valve detection table, which comprises an ice water tank and a circular turntable arranged above the ice water tank, wherein the ice water tank is in a circular ring shape, a taking and placing notch is arranged on the circular ring, a plurality of valve body plugging mechanisms are arranged on the circular turntable along the circumferential direction and used for clamping an expansion valve, the valve body plugging mechanisms are driven by the circular turntable to reciprocate between the ice water tank and the taking and placing notch, the taking and placing notch is provided with a valve body taking and placing mechanism, the valve body taking and placing mechanism comprises a horizontal cylinder, a vertical cylinder and a swinging cylinder, the horizontal cylinder is arranged on one side of the taking and placing notch away from the circular turntable, the swinging cylinder is connected with the vertical cylinder, and the swinging cylinder is arranged on the lower side of the taking and placing notch. According to the expansion valve detection table, the horizontal cylinder and the swing cylinder are matched to lock and unlock the valve body plugging mechanism and the expansion valve, so that the efficiency and the positioning accuracy of valve body plugging are improved, and the problem that the surface of the expansion valve is worn in the plugging process is effectively avoided.
Description
Technical Field
The invention relates to the field of valve detection, in particular to an expansion valve detection table.
Background
The expansion valve is an important component in the refrigeration system and is typically mounted between the accumulator and the evaporator. The expansion valve throttles the medium-temperature high-pressure liquid refrigerant into low-temperature low-pressure wet steam, then the refrigerant absorbs heat in the evaporator to achieve the refrigerating effect, and the expansion valve controls the valve flow through the superheat degree change of the tail end of the evaporator to prevent the phenomenon of underutilization of the area of the evaporator and knocking.
The expansion valve is required to be subjected to performance test before leaving a factory, the expansion valve is plugged and then placed into a water tank at 0 ℃, a series of setting and detection are carried out, in the prior art, a plugging mode of the expansion valve adopts artificial plugging or a valve body plugging device driven by a cylinder to plug the expansion valve, and the plugging mode can be used for plugging a valve body, but has low plugging efficiency and poor positioning precision, and is easy to damage products.
Disclosure of Invention
The invention aims to solve the technical problems of low plugging efficiency, poor positioning accuracy and easy injury of products of an expansion valve in the detection process of the expansion valve in the prior art. In order to solve the above-mentioned problems,
the invention adopts the following technical scheme:
the invention provides an expansion valve detection table, which comprises an ice water tank and a circular turntable arranged above the ice water tank, wherein the ice water tank is in a circular ring shape, a taking and placing notch is arranged on the circular ring, a plurality of valve body plugging mechanisms are arranged on the circular turntable along the circumferential direction and are used for clamping an expansion valve, the valve body plugging mechanisms are driven by the circular turntable to reciprocate between the ice water tank and the taking and placing notch, a valve body taking and placing mechanism is arranged at the taking and placing notch, the valve body taking and placing mechanism comprises a horizontal cylinder, a vertical cylinder and a swinging cylinder, the horizontal cylinder is arranged on one side of the taking and placing notch away from the circular turntable, and the swinging gas is arranged on the side of the taking and placing notch away from the circular turntable
The cylinder is connected with the vertical cylinder, and the swing cylinder is arranged at the lower side of the taking and placing notch.
The preferred technical scheme, valve body shutoff mechanism includes first fixed block, second fixed block, movable block and centre gripping frock, first fixed block is connected circular carousel, the second fixed block passes through first connecting rod and connects first fixed block, first fixed block with be equipped with between the second fixed block the movable block, movable block swing joint first connecting rod, centre gripping frock is connected first fixed block with the movable block.
Further technical effect, the centre gripping frock is used for the centre gripping expansion valve, and when the movable block was close to first fixed block, the centre gripping frock accomplished the locking with the expansion valve under the promotion of movable block, and when the movable block was kept away from first fixed block, the centre gripping frock lost the driving force, accomplished the unblock with the expansion valve.
The preferred technical scheme, the first fixed block with part between the movable block first connecting rod winds the spring in the outside, the centre gripping frock passes through the second connecting rod and connects first fixed block, the outside of second connecting rod winds there is the spring, the second fixed block with be equipped with the eccentric wheel between the movable block, be equipped with the eccentric wheel breach on the second fixed block, the eccentric wheel rotates along the eccentric shaft under the drive of swing cylinder.
Further technical effect, the eccentric wheel rotates along the eccentric shaft under the drive of swing cylinder, and when the long end of eccentric wheel was towards the movable block, the movable block was close to first fixed block under the oppression of eccentric wheel, and when the long end of eccentric wheel was towards the second fixed block, the movable block was close to the second fixed block under the elasticity effect of first link outside spring.
The preferred technical scheme, be equipped with the ejector pin between the second fixed block with the movable block, the one end of ejector pin is connected the movable block, be equipped with the ejector pin through-hole on the second fixed block, horizontal cylinder passes through the ejector pin through-hole is connected or is broken away from the ejector pin, the ejector pin is close to or keeps away from under horizontal cylinder's promotion the first fixed block.
The movable block is far away from or close to the first fixed block under the pushing of the ejector rod, and locking or unlocking of the clamping tool and the expansion valve is completed.
The preferred technical scheme, the bottom of valve body shutoff mechanism is equipped with the cam, frozen water groove and get and put the breach junction and be equipped with the cam spout, the cam spout is from getting to put the breach to frozen water groove and reduce gradually.
The valve body plugging mechanism has the further technical effect that the valve body plugging mechanism completes the process of entering or leaving the ice water tank in the moving process under the action of the cam and the cam chute.
According to the preferred technical scheme, an alcohol solution is contained in the ice water tank, and the temperature of the alcohol solution is 0 ℃.
Further technical effects, the alcoholic solution ensures that the solution does not freeze at 0 ℃.
Compared with the prior art, the horizontal cylinder and the swing cylinder in the expansion valve detection table are matched to lock and unlock the valve body plugging mechanism and the expansion valve, so that the efficiency and the positioning accuracy of valve body plugging are improved, and the problem that the surface of the expansion valve is worn in the plugging process is effectively avoided.
Drawings
The invention will be described in further detail with reference to the drawings and the specific embodiments.
FIG. 1 is a schematic diagram of an expansion valve test stand according to the present invention;
FIG. 2 is a front view of the expansion valve inspection station of the present invention;
FIG. 3 is a schematic view of a valve body plugging mechanism in the expansion valve inspection station of the present invention;
fig. 4 is an enlarged view of a part of a valve body blocking mechanism in the expansion valve inspection station of the present invention.
Wherein, the reference numerals specifically explain as follows: the ice water tank 1, the circular turntable 2, the taking and placing notch 3, the valve body plugging mechanism 4, the valve body taking and placing mechanism 5, the horizontal cylinder 51, the vertical cylinder 52, the swinging cylinder 53, the first fixed block 41, the movable block 42, the second fixed block 43, the clamping tool 44, the first connecting rod 45, the second connecting rod 46, the ejector rod 47, the ejector rod through hole 48, the cam 49, the eccentric wheel 61, the eccentric shaft 62 and the eccentric wheel notch 63.
Detailed Description
As shown in fig. 1, the expansion valve detection table comprises an ice water tank 1, wherein a circular rotary table 2 is arranged above the ice water tank 1, the ice water tank 1 is in a circular ring shape, a taking and placing notch 3 is arranged on the circular ring, an alcohol solution is contained in the ice water tank 1, and the temperature of the alcohol solution is 0 ℃. The circular turntable 2 is provided with 8 valve body plugging mechanisms 4 along the circumferential direction, the valve body plugging mechanisms 4 are used for clamping the expansion valve, and the valve body plugging mechanisms 4 reciprocate between the ice water tank 1 and the taking and placing notch 3 under the driving of the circular turntable 2.
As shown in fig. 2, the valve body taking and placing mechanism 5 is arranged at the taking and placing notch 3, the valve body taking and placing mechanism 5 comprises a horizontal cylinder 51, a vertical cylinder 52 and a swinging cylinder 53, the horizontal cylinder 51 is arranged at one side of the taking and placing notch 3 far away from the circular turntable 2, the swinging cylinder 53 is connected with the vertical cylinder 52, and the swinging cylinder 53 is arranged at the lower side of the taking and placing notch 3.
As shown in fig. 3, the valve body plugging mechanism 4 includes a first fixed block 41, a second fixed block 43, a movable block 42 and a clamping tool 44, the first fixed block 41 is connected with the circular turntable 2, the second fixed block 43 is connected with the first fixed block 41 through a first connecting rod 45, a movable block 42 is arranged between the first fixed block 41 and the second fixed block 43, the movable block 42 is movably connected with the first connecting rod 45, and the clamping tool 44 is connected with the first fixed block 41 and the movable block 42. Part of the first connecting rod 45 between the first fixed block 41 and the movable block 42 is wound with a spring outside, the clamping tool 44 is connected with the first fixed block 41 through the second connecting rod 46, the spring is wound on the outer side of the second connecting rod 46, an eccentric wheel 61 is arranged between the second fixed block 43 and the movable block 42, an eccentric wheel notch 63 is arranged on the second fixed block 43, and the eccentric wheel 61 rotates along the eccentric shaft 62 under the drive of the swinging air cylinder 53. A push rod 47 is arranged between the second fixed block 43 and the movable block 42, one end of the push rod 47 is connected with the movable block 42, a push rod through hole 48 is arranged on the second fixed block 43, and a horizontal cylinder 51 is connected with or separated from the push rod 47 through the push rod through hole 48.
As shown in fig. 4, a cam 49 is provided at the bottom of the valve body plugging mechanism 4, a cam chute is provided at the connection between the ice water tank 1 and the taking and placing notch 3, the cam chute gradually decreases from the taking and placing notch to the ice water tank 1, the cam 49 is engaged in the cam chute, and moves along the cam chute along with the rotation of the circular turntable 2. The working process comprises the following steps: when the valve body plugging mechanism 4 moves to the taking and placing notch 3 along with the circular turntable 2, the expansion valve is manually placed in the clamping tool 44, the horizontal air cylinder 51 stretches out, a piston rod of the horizontal air cylinder 51 penetrates through the ejector rod through hole 48 to push the ejector rod 47, the ejector rod 47 pushes the movable block 42 to move towards the first fixed block 41, and the clamping tool 44 clamps the expansion valve under the clamping of the movable block 42 and the movable block 42; the vertical air cylinder 52 moves upwards to drive the swinging air cylinder 53 to move upwards, the swinging air cylinder 53 drives the eccentric wheel 61 to rotate, the long end of the eccentric wheel 61 faces the movable block 42, locking of the clamping tool 44 and the expansion valve is completed, the vertical air cylinder 52 retracts, the horizontal air cylinder 51 retracts, the circular turntable 2 rotates, and the expansion valve enters the ice water tank 1 along with rotation of the circle center turntable.
The valve body plugging mechanism 4 rotates along the ice water tank 1 for a circle, after a series of detection and setting are completed, the valve body plugging mechanism moves to the taking and placing notch 3, the vertical air cylinder 52 moves upwards, the swinging air cylinder 53 drives the eccentric wheel 61 to rotate, the long end of the eccentric wheel 61 faces the second fixed block 43, the movable block 42 moves towards the direction of the second fixed block 43 under the action of the elastic force outside the first connecting rod 45, the clamping tool 44 and the expansion valve are unlocked, and thus, the detection period of one expansion valve is completed.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.
Claims (3)
1. The expansion valve detection table is characterized by comprising an ice water tank (1) and a circular turntable (2) arranged above the ice water tank (1), wherein the ice water tank (1) is in a circular ring shape, a taking and placing notch (3) is formed in the circular ring, a plurality of valve body plugging mechanisms (4) are arranged on the circular turntable (2) along the circumferential direction, the valve body plugging mechanisms (4) are used for clamping an expansion valve, the valve body plugging mechanisms (4) are driven by the circular turntable (2) to reciprocate between the ice water tank (1) and the taking and placing notch (3), a valve body taking and placing mechanism (5) is arranged at the taking and placing notch (3), the valve body taking and placing mechanism (5) comprises a horizontal cylinder (51), a vertical cylinder (52) and a swinging cylinder (53), the horizontal cylinder (51) is arranged on one side, far away from the circular turntable (2), of the taking and placing notch (3), the swinging cylinder (53) is connected with the vertical cylinder (52), and the swinging cylinder (53) is arranged on the lower side of the taking and placing notch (3). The bottom of the valve body plugging mechanism is provided with a cam (49), the joint of the ice water tank (1) and the taking and placing notch (3) is provided with a cam chute, and the cam chute gradually descends from the taking and placing notch (3) to the ice water tank (1);
the valve body plugging mechanism (4) comprises a first fixed block (41), a second fixed block (43), a movable block (42) and a clamping tool (44), wherein the first fixed block (41) is connected with the circular turntable (2), the second fixed block (43) is connected with the first fixed block (41) through a first connecting rod (45), the movable block (42) is arranged between the first fixed block (41) and the second fixed block (43), the movable block (42) is movably connected with the first connecting rod (45), and the clamping tool (44) is connected with the first fixed block (41) and the movable block (42);
part between first fixed block (41) with movable block (42) first connecting rod (45) is in the outside around there being the spring, centre gripping frock (44) are connected through second connecting rod (46) first fixed block (41), the outside of second connecting rod (46) is around there being the spring, second fixed block (43) with be equipped with eccentric wheel (61) between movable block (42), be equipped with eccentric wheel breach (63) on second fixed block (43), eccentric wheel (61) are rotated along eccentric shaft (62) under the drive of swing cylinder (53).
2. An expansion valve testing station as defined in claim 1, wherein: an ejector rod (47) is arranged between the second fixed block (43) and the movable block (42), one end of the ejector rod (47) is connected with the movable block (42), an ejector rod through hole (48) is formed in the second fixed block (43), and the horizontal cylinder (51) is connected with or separated from the ejector rod (47) through the ejector rod through hole (48).
3. An expansion valve testing station as defined in claim 1, wherein: an alcohol solution is contained in the ice water tank (1), and the temperature of the alcohol solution is 0 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002461.6A CN108267303B (en) | 2017-01-03 | 2017-01-03 | Expansion valve detects platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710002461.6A CN108267303B (en) | 2017-01-03 | 2017-01-03 | Expansion valve detects platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108267303A CN108267303A (en) | 2018-07-10 |
| CN108267303B true CN108267303B (en) | 2024-03-22 |
Family
ID=62771447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710002461.6A Active CN108267303B (en) | 2017-01-03 | 2017-01-03 | Expansion valve detects platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108267303B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1549267A (en) * | 1966-09-22 | 1968-12-13 | ||
| RU2194259C2 (en) * | 2001-01-09 | 2002-12-10 | Волгоградский государственный технический университет | Automated test stand for testing articles for tightness |
| KR101008550B1 (en) * | 2009-12-22 | 2011-01-14 | 효원테크(주) | Cylinder head leak test machine |
| CN102928209A (en) * | 2011-08-11 | 2013-02-13 | 上海比泽机电设备科技有限公司 | Comprehensive performance testing device for electronic expansion valve |
| CN203418307U (en) * | 2013-07-25 | 2014-02-05 | 宁波江宸自动化装备有限公司 | Cam feeding mechanism of camshaft assembly machine |
| CN203657981U (en) * | 2014-01-24 | 2014-06-18 | 马鞍山市奈特仪表科技有限公司 | Vibration-proof pressure gauge detection tool |
| CN203705132U (en) * | 2013-12-18 | 2014-07-09 | 广州新龙浩工业设备有限公司 | Electronic expansion valve helium test fixture |
| CN204924628U (en) * | 2015-07-13 | 2015-12-30 | 上海新孚美变速箱技术服务有限公司 | Automatic transmission valve body assembly test machine valve body quick clamping equipment |
| CN205228744U (en) * | 2015-12-14 | 2016-05-11 | 玉环县大麦屿蓝梦机械设备厂 | Valve leak hunting testboard |
| CN105841940A (en) * | 2016-03-29 | 2016-08-10 | 中国计量学院 | Thermal expansion valve time constant testing device and testing method |
| CN205703872U (en) * | 2016-06-20 | 2016-11-23 | 山东福瑞德测控系统有限公司 | Sensor clamping device |
| CN206573279U (en) * | 2017-01-03 | 2017-10-20 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
-
2017
- 2017-01-03 CN CN201710002461.6A patent/CN108267303B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1549267A (en) * | 1966-09-22 | 1968-12-13 | ||
| RU2194259C2 (en) * | 2001-01-09 | 2002-12-10 | Волгоградский государственный технический университет | Automated test stand for testing articles for tightness |
| KR101008550B1 (en) * | 2009-12-22 | 2011-01-14 | 효원테크(주) | Cylinder head leak test machine |
| CN102928209A (en) * | 2011-08-11 | 2013-02-13 | 上海比泽机电设备科技有限公司 | Comprehensive performance testing device for electronic expansion valve |
| CN203418307U (en) * | 2013-07-25 | 2014-02-05 | 宁波江宸自动化装备有限公司 | Cam feeding mechanism of camshaft assembly machine |
| CN203705132U (en) * | 2013-12-18 | 2014-07-09 | 广州新龙浩工业设备有限公司 | Electronic expansion valve helium test fixture |
| CN203657981U (en) * | 2014-01-24 | 2014-06-18 | 马鞍山市奈特仪表科技有限公司 | Vibration-proof pressure gauge detection tool |
| CN204924628U (en) * | 2015-07-13 | 2015-12-30 | 上海新孚美变速箱技术服务有限公司 | Automatic transmission valve body assembly test machine valve body quick clamping equipment |
| CN205228744U (en) * | 2015-12-14 | 2016-05-11 | 玉环县大麦屿蓝梦机械设备厂 | Valve leak hunting testboard |
| CN105841940A (en) * | 2016-03-29 | 2016-08-10 | 中国计量学院 | Thermal expansion valve time constant testing device and testing method |
| CN205703872U (en) * | 2016-06-20 | 2016-11-23 | 山东福瑞德测控系统有限公司 | Sensor clamping device |
| CN206573279U (en) * | 2017-01-03 | 2017-10-20 | 权星精机（上海）股份有限公司 | Expansion valve monitor station |
Non-Patent Citations (2)
| Title |
|---|
| 制冷用热力膨胀阀工作寿命自动检测系统;孔明，丁超，赵军;《自动化与仪表》;20160115(1);59-62 * |
| 熊国维.汽车空调维修基础知识.机械工业出版社,1992,126-130. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108267303A (en) | 2018-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105716347A (en) | Liquid nitrogen low-temperature box | |
| CN108267303B (en) | Expansion valve detects platform | |
| CN106968705B (en) | Coal seam extraction drilling hole hot and cold impact coal breaking permeability increasing device and permeability increasing method | |
| CN106908702B (en) | Composite insulator umbrella skirt surface ice-coating test machine and test method | |
| CN206573279U (en) | Expansion valve monitor station | |
| CN103398286B (en) | A kind of device and method improving liquid CO 2 tank degree of supercooling | |
| CN106184693B (en) | A kind of stratospheric airship balloonet air-charging and air-discharging system and method | |
| CN202973680U (en) | Heating medium defrosting evaporator | |
| CN108444157B (en) | Mixed working medium filling system and method for acoustic energy refrigerator | |
| CN205559244U (en) | Compressor vibration testing device | |
| CN208936605U (en) | A kind of air-conditioning vacuum evacuation device | |
| CN203881489U (en) | Pressure gauge antifreezing filling device | |
| CN104005783A (en) | Pneumatic refrigeration device and method for mine | |
| CN109870365B (en) | Locking mechanism, water pressure testing device, locking method and water pressure testing method | |
| CN107906008B (en) | A kind of screw air compressor fueling injection equipment | |
| CN208254008U (en) | A kind of novel spray evaporating type condensing water cooler | |
| CN207756678U (en) | Frame of motorcycle steel pipe die casting equipment | |
| CN209371591U (en) | Ice maker refrigerating system | |
| CN106839543A (en) | A kind of CO2Refrigeration system working medium tapping equipment and discharge control method | |
| CN203641637U (en) | Ball valve tool equipment | |
| CN202691594U (en) | Vacuumizing interface device of vacuum insulated low-temperature gas cylinder | |
| CN108954997A (en) | A kind of air-conditioning vacuum evacuation device and method | |
| CN204082780U (en) | The device that a kind of energy on-line checkingi oil cylinder Inner lets out | |
| CN201903217U (en) | Steam jet ice slurry and cold water preparing device | |
| CN203964429U (en) | A kind of carbon dioxide refrigeration apparatus structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 201401 2-3, 7, 152 North Ring Road, Fengxian District, Shanghai. Applicant after: Quanxing intelligent control system engineering (Shanghai) Co.,Ltd. Address before: 201401 2nd-3rd floor, No.152, Huancheng North Road, Fengxian District, Shanghai Applicant before: QUANSTAR MACHINERY (SHANGHAI) CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |