CN205918574U - Many performances of remote control electronic pump test bench - Google Patents
Many performances of remote control electronic pump test bench Download PDFInfo
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- CN205918574U CN205918574U CN201620794598.0U CN201620794598U CN205918574U CN 205918574 U CN205918574 U CN 205918574U CN 201620794598 U CN201620794598 U CN 201620794598U CN 205918574 U CN205918574 U CN 205918574U
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- water
- water tank
- stand
- water pump
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Abstract
Many performances of remote control electronic pump test bench. Establish the information interaction center that microcomputer raspberry pi formed on the water tank, signal of telecommunication line is gathered to input port water receiving incasement temperature, water pressure, liquid level, water pipe pressure, flow, noise etc.. Servo executive signal line such as delivery outlet water receiving temperature, water pressure, the water yield, power. At a distance being equipped with the mobile control terminal of smart mobile phone, through wireless wifi and mutual central transmit information to report to the police when showing numerical value in real time and needing. Examining time measuring, through above -mentioned remote control, making temperature and water pressure keep at the highest appointed and schwellenwert, 24 hours every days of completion, unmanned on duty carries out each item performance test in reaching the several days. The water tank is in the test bench bottom, and it is little to detect the error. Tilting water tank bottom surface, the precipitate is easily got rid of. Electronic pump has fixing device, and is firm. Rack bottom pulley has elevating gear, the transportation and experimental of being convenient for. The long -term next technological problem of test clerk's control before equipment in 24 hours has been solved, long -rangeization, intellectuality, the information -based detection of having realized the electronic pump test bench.
Description
(1) technical field: this utility model is related to a kind of test device of car engine electronic water pump.Electronic water pump
For automobile engine cooling.Belong to liquid pump class (f04b), equipment test class (g01m).
(2) background technology
The development of new-energy automobile technology is swift and violent, and electronic water pump arises at the historic moment.Electric automobile or oil-electric vehicle
It is provided with power motor to realize Automobile drive.Electronic water pump can be electromotor and other power set provide coolant flow
Power.Electronic water pump have the advantages that small volume, do not leak, reliability is high, long service life, can accurately, adjustably control
The flow of coolant, thus improve automotive performance.
In order to ensure the runnability of existing electronic water pump it is necessary to there be suitable electronic water pump to dispatch from the factory the examination of performance test
Test platform.Existing electronic water pump dispatches from the factory the testing stand of performance test and detection method, and there are the following problems: the electronic water pump 1) providing
Testing stand has to artificial 24 hours run situation in Factory Building real-time monitoring equipment.Time-consuming.2) due to test bench installation
Shape, knot all and are installed etc. and be there are various problems, lead to that recycled-water quality is poor, detection error is big, degree of safety is low, movement is unreliable
Poor Deng runnability.3) detection project of existing electronic water pump testing stand is limited, can not meet the requirement of new-energy automobile.Than
Only have these as: existing detection project: discharge, hydraulic pressure, water temperature etc..
(3) content of the invention:
Remotely control many performances electronic water pump testing stand and detection method that this utility model provides, one of purpose is to solve
Above-mentioned existing electronic water pump has to artificial 24 hours run in Factory Building monitoring device, time-consuming problem.The two of purpose are
Solve the problems, such as that recycled-water quality is poor, detection error is big, degree of safety is low, movement is unreliable, etc. poor performance.
Technical scheme is as follows: remotely control many performances electronic water pump testing stand, including: 1) it is placed on the water tank on stand, water
Case is built with liquidometer；2) from the inlet pipeline of water tank bottom diversion equipped with water inlet control valve, inlet gage and pass through into
Water coupling mechanism is connected with electronic water pump water inlet end, and there is feed water flow gauge entrance；From the outlet pipeline of tank top backwater
Equipped with outlet water control valve, discharge pressure table, water flow meter, and it is connected with electronic water pump water side by water outlet coupling mechanism；
3) electronic water pump rotating shaft and motor are in transmission connection；It is characterized in that:
1) install integrated information interaction center 11 on water tank, in it, have microcomputer raspberry pi a: micro electric
Intracerebral is provided with long distance wireless wifi Transmission system.
8 input ports are had to connect the electrical signal line of following 8 detection pieces respectively in microcomputer: 1. the water temperature in water tank passes
Sensor 2；2. the hydraulic pressure sensor 3 in water tank；3. liquidometer 4 in water tank；4. inlet gage 24；5. discharge pressure table 18；⑥
Feed water flow gauge 13；7. water flow meter 20；8. it is located at the psophometer 15 on the side of electronic water pump firm banking.Micro electric
Brain has the signal that 5 delivery outlets connect following 5 servosystem parts respectively to execute line: the 1. water cooler in water tank and heater
Water temperature regulation device 5；2. the booster pump 6 in water tank；3. air relief valve 19；4. water inlet control valve 10；5. power supply valve 16a.On
State all control circuits all along stand and the laying of water tank seat wall.
2) set mobile control terminal 8 a long way off, from smart mobile phone；It is provided with wireless wifi transmission system in mobile control terminal
System 8.0, delivery outlet is connected to alarm 8.1；Mobile control terminal by wireless wifi and information exchange central transmission information and refers to
Order, and show detection data in real time.
3) water tank is placed on testing stand bottom stand 22, has tilting bottom surface 1a in water tank；
4) electronic water pump fixing device is formed as follows: electronic water pump is placed on inner surface configuration and electronic water pump external surface shape
Coordinate the water inlet pushing force in the consistent electronic water pump firm banking 14a being placed on stand with horizontal x to position cylinder 9x
Pipe 9 is connected with water intake mechanism 12 pipeline compression, and junction is held out against to spring 9a with x；Push force with perpendicular z to position cylinder 21z
Outlet pipe 21 and discharge mechanism 17 pipeline compression be connected, junction is held out against to spring 21a with z.
5) setting such as bottom roller lowering or hoisting gear 23 below stand 22: equipped with brake block 23a on roller 23b；By roller
If foot cup 23c, foot cup upper end is to be cased with locking nut 23d the threaded cup bar 23e with being threaded in stand.
This utility model beneficial effect:
1) this utility model has used technology of Internet of things, solves the disadvantage that testing crew must monitor before equipment for 24 hours
End.Long-range, intellectuality, information control are achieved on electronic water pump performance detection, the technology breaching for a long time is difficult
Topic.For example: reaching He Baote<High Temperature High Pressure>and in the control process of<low-temp low-pressure>, the daily 24 little lucks of electronic water pump
Turn, up to a few days, all realize unmanned, the intelligentized control method of remote handset.
2) control electrical signal line and power line are laid all along along stand and water tank, safer and attractive in appearance.
3) water tank is put on the stand 22 of testing stand bottom, and the error that the experiment that water pump is led to when rotating records is less.
4) water tank bottom is tilting, makes the precipitate in water tank to accumulation, can improve the water quality in water circulation.
5) electronic water pump fixing device not only firm firm banking 14a, and have axial direction, vertical pressure tubular elastic pressure
Tightly, not only consolidate, test is unaffected, and installation side makes.6) roller lowering or hoisting gear is arranged at testing stand bottom, solid during pump operation
Fixed, open rolling when carrying, be readily transported.
(4) brief description
Fig. 1 this utility model integral arrangement schematic diagram.
Fig. 2 is electronic water pump firm banking 14a axonometric chart in Fig. 1.
Fig. 3 is roller lowering or hoisting gear 23 structural representation in Fig. 1.
Fig. 4 remotely control many performances electronic water pump testing stand control circuit block diagram.
Fig. 5 remotely control intelligently many performances electronic water pump testing stand control flow chart.
Upper in figure labelling title: 1- water tank.2- cooling-water temperature sensor: 2c- cooling-water temperature sensor electrical signal line.3- hydraulic pressure senses
Device: 3c- hydraulic pressure sensor electrical signal line.4- liquidometer: 4c- liquidometer electrical signal line.5- water temperature control device: 5t- water temperature control
Device electrical signal line processed.6- hydraulic control device: 6t- hydraulic control device electrical signal line.7- microcomputer raspberry pi.
8- moves control terminal smart mobile phone.9- water inlet pipe.10- water inlet control valve.11- integrated information interaction center.12- water inlet connection
Mechanism.13- feed water flow gauge.14- electronic water pump.14a- electronic water pump firm banking.15- psophometer.16- drives electricity
Machine.16a- power supply valve.16b- tachymeter.17- water outlet coupling mechanism.18- discharge pressure table.19- outlet water control valve (19
It is air relief valve).20- water flow meter.21- outlet pipe.22- stand.23- roller lowering or hoisting gear.24 inlet gages.
(5) specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Remotely control intelligently many performances electronic water pump testing stand, including: see Fig. 1
1) water tank 1 is fixed on stand 22.Water tank is built with liquidometer 4.2) from the inlet pipeline 9 of water tank bottom diversion
Equipped with water inlet control valve 10, inlet gage 24, and it is connected with electronic water pump 14 water inlet end by coupling mechanism 12 of intaking, will press
Power water sends into electronic water pump.There is feed water flow gauge 13 entrance.Equipped with going out water control from the outlet pipeline 21 of tank top backwater
Valve 19 processed, discharge pressure table 18, and be connected with electronic water pump 14 water side, by press water from electronics by water outlet coupling mechanism 17
Water pump is drawn.3) electronic water pump rotating shaft and motor 16 are in transmission connection.
The present embodiment have as follows newly design:
1) see Fig. 1, be supported on installing integrated information interaction center 11 on the water tank 1 outer wall side on stand 22.See Fig. 2,
It is provided with a microcomputer raspberry pi in integrated information interaction center.It is provided with long distance wireless wifi in microcomputer 7 to pass
Defeated system 70, connect microcomputer usb interface.
See Fig. 1, Fig. 4,8 input ports of microcomputer 7 are connected to: cooling-water temperature sensor 2 electrical signal line 1. setting in water tank
2c, connects input port 72.The electrical signal line 3c of the hydraulic pressure sensor 3 2. setting in water tank；Connect input port 73.3. liquidometer 4 in water tank
The water level electrical signal line 4 of transmission liquid levelc, connect input port 74.4. transmit the intake pressure electrical signal line of inlet gage 24 reading
24c, connect input port 724.5. send out the water outlet pressure electrical signal line 18 of water pressure table 18 readingc, connect input port 718.6. transmit into
The flow of inlet water electrical signal line 13 of water ga(u)ge 13 numerical valuec, connect input port 713.7. send out water ga(u)ge 20 numerical value goes out current
Amount electrical signal line 20c, connect input port 720.8. transmit the noise electrical signal line 15 of psophometer 15 numerical valuec, connect input port 715.
See Fig. 1, psophometer 15 is located at the side of electronic water pump firm banking 14a.
See Fig. 1, Fig. 4,5 delivery outlets of microcomputer 7 are connected to: the water cooler that 1. includes in water tank and water heater
The control execution line 5t of water tank water temperature control device 5, with delivery outlet 75Connect.2. the booster pump in hydraulic control device in water tank
6 control execution line 6t and delivery outlet 76Connect.3. in hydraulic control device, dropping valve 19 controls execution line 19t, with delivery outlet
719Connect.Dropping valve 19 namely outlet water control valve 19 in Fig. 1.Outlet water control valve 19 controls water flow.4. water inlet control valve
10 control execution line 10t and delivery outlet 710Connect.Water inlet control valve 10 controls flow of inlet water.5. the electricity of power supply valve 16a
Source line 16at and delivery outlet 716Connect.Power supply valve 16a is used for starting control motor 16 and electric current is adjusted.Can also be used for
Jerk controls.
See Fig. 1, Fig. 4, above-mentioned all electrical signal lines, control execution line etc. are all along water inlet pipe and water outlet pipe surface, stand 22 and water tank
Laying (cabling) in wall.
2) see Fig. 1, see Fig. 4, set mobile control terminal a long way off, the present embodiment adopts smart mobile phone 8, include long-range in it
Wireless wifi Transmission system 8.0, by wireless wifi and information exchange center 11 transmission information and instruction.Meanwhile, smart mobile phone 8
Water temperature, hydraulic pressure, water level, piping flow, hydraulic pressure, electronic water pump noise etc. in the water tank of the upper detection of display in real time.See Fig. 4, intelligence
On mobile phone 8, delivery outlet is all connected to alarm 8.1, if water temperature, hydraulic pressure, water level etc. exceed designated value, by information exchange center 11 no
Line is transferred to mobile control terminal 8, and sends warning by alarm 8.1.
3) see Fig. 1, water tank 1 is put on the stand 22 of testing stand bottom.Water tank 1 inner bottom surface is tilting 1a.
4) Fig. 1, Fig. 2 are seen, the electronic water pump fixing device of employing is constituted as follows: electronic water pump is placed on inner surface configuration 14b
In the electronic water pump firm banking 14a being placed on stand 22 consistent with the cooperation of electronic water pump external surface shape (see Fig. 2), use x
The water inlet pipe 9 pushing force to position cylinder 9x is connected with water intake mechanism 12 pipeline compression, and junction is held out against to spring 9a with x；
It is connected compression with the outlet pipe 21 that z pushes force to position cylinder 21z with discharge mechanism 17 pipeline, junction z is to spring 21a
Hold out against.Electronic water pump is thus made to be fixed from moving.
5) see Fig. 1, see Fig. 3, setting such as bottom roller lowering or hoisting gear 23 below stand 22: equipped with brake block on roller 23b
23a；Set foot cup 23c by roller, foot cup upper end has and is cased with locking nut 23d the threaded cup bar with being threaded in stand
23e.Adjustment process: see that Fig. 3, rotational lock nut 23d, threaded cup bar 23e and foot cup 23c stretch out or take in stand 22, rolling
Wheel rises or falls.When height is higher than roller to foot cup from the ground, whole testing stand is moved by roller, when foot cup is high from the ground
Degree is hanging less than roller during roller, moves brake block 2 car and stops, whole testing stand stationary support on multiple foot cup 23c, in this place
Tested.
6) booster pump 6 and dropping valve in water heater and cooler, hydraulic control device in above-mentioned water temperature regulation device 5
19th, water inlet control valve 10, outlet water control valve 19 etc. are referred to as servo-control system.Above-mentioned water temperature control device 5, hydraulic pressure control dress
Put, power supply valve 16a constitutes durability degree detecting system.Above-mentioned inlet gage 24, discharge pressure table 18 and electronic water pump enter
Outlet sealing device composition leakage pressure detecting system.
The control method of the present embodiment above-mentioned remotely control many performances electronic water pump testing stand, comprises the steps:
<high temperature and pressure test:>
1) see whether Fig. 5, the water temperature that judgement mobile terminal shows and hydraulic pressure reach specified peak？；If directly carrying out
Step 7) and 8)；If not, first carry out step 2), 3), 4), 5) and 6)；Finally carry out step 7) and 8):
See Fig. 5, Fig. 4, from mobile control terminal smart mobile phone 8 in real time the water temperature of display, hydraulic pressure, set water temperature value, set
Determine hydraulic pressure value, just can determine that out that the water temperature this moment detecting and hydraulic pressure are less than and specify peak.
Determine detection water temperature/hydraulic pressure and do not reach specified peak, first carry out step 2), 3), 4), 5) and 6)；Finally carry out
Step 7) and 8).Whole process of the test is alternatively referred to as<high temperature and pressure test>
2) see Fig. 1, Fig. 4, Fig. 5, in water tank water temperature and hydraulic pressure sensor pass through to sense electrical signal line 2c, 3c and interface 72,
73 will pass to microcomputer 7raspberry pi less than the signal of telecommunication specifying peak；Microcomputer will receive less than specified
The signal of telecommunication of peak, instruction of making adjustment, by wireless wifi Transmission system, it is sent to mobile control terminal.
3) see Fig. 5, mobile control terminal receives adjust instruction, same to alarm, then sends adjustment signal to microcomputer；
4) see that Fig. 5, microcomputer raspberry pi 7 receive adjustment signal, directly send increase to servo-control system
The execute instruction of water moderate pressure in water tank；
5) see Fig. 5, in water tank in servo-control system, water heater 5 and booster pump 6 receive water temperature and pressure in increase water tank
Power execute instruction；
6) see Fig. 5, in water tank, water heater 5 is pressed execute instruction and raised water temperature and booster pump 6 by execute instruction rising hydraulic pressure,
Until reaching and keeping the peak specified.
7) see Fig. 5, microcomputer 7 sets and is maintained under peak, continuous working period t is daily 24 hours, consecutive numbers
Day.
8) see Fig. 5, detect electronic water pump property indices under highest water temperature and hydraulic pressure: include: abrasion, leakage, gas
The performance tesies such as close, leakage pressure.
<low-temp low-pressure is tested:>
1) see whether Fig. 5, the water temperature that judgement mobile terminal shows and hydraulic pressure reach specified minimum；If directly carrying out
Step 7) and 8)；If not, first carry out step 2), 3), 4), 5) and 6)；Finally carry out step 7) and 8):
See Fig. 5, Fig. 2, the water temperature of real-time display, hydraulic pressure, set water temperature value, setting hydraulic pressure from mobile control terminal 8
Value, just determines the water temperature this moment detecting and hydraulic pressure is not up to the minimum setting.Judge that detection water temperature/hydraulic pressure does not reach setting
Low value, first carries out step 2), 3), 4), 5) and 6)；Finally carry out step 7) and 8).Alternatively referred to as < low temperature is low for whole process of the test
Pressure test >.
2) see Fig. 1, Fig. 2, Fig. 5, in water tank water temperature and hydraulic pressure sensor pass through to sense electrical signal line 2c, 3c and interface 72,
73 will be greater than specifying the signal of telecommunication of minimum to pass to microcomputer 7raspberry pi；Microcomputer will receive more than specified
The signal of telecommunication of minimum, instruction of making adjustment, by wireless wifi Transmission system, it is sent to mobile control terminal.
3) see Fig. 5, mobile control terminal receives adjust instruction, same to alarm, then sends adjustment signal to microcomputer；
4) see that Fig. 5, microcomputer raspberry pi receive adjustment signal, directly send execution to servo-control system and refer to
Order；
5) see Fig. 5, the air relief valve 19 in water cooler 5 and pipeline in servo-control system water tank receives microcomputer respectively
7 reduce water temperature and the execute instruction of hydraulic pressure.
6) see Fig. 5, instruction execution pressed by the air relief valve 19 that in water tank, water cooler 5 is pressed in execute instruction reduction water temperature and pipeline
Reduce hydraulic pressure, until reaching and keeping to specify minimum.
7) see Fig. 5, microcomputer 7 sets and is maintained under minimum, continuous working period t is daily 24 hours, consecutive numbers
Day.
8) see Fig. 5, detect electronic water pump property indices under minimum water temperature and hydraulic pressure: include: abrasion, leakage, gas
The performance tesies such as close, leakage pressure.
<leakage pressure detection>method is as follows:
See Fig. 1,1) open water inlet control valve 10, close outlet water control valve 19；From water inlet coupling mechanism 12 import to electronics
Water pump 14 inflating pressure, until inlet gage 24 reaches 250kpa, 2) close water inlet control valve 10, record water flow meter 20
Value；Continue the 20-40 second under 250kpa voltage stabilizing state；3) outlet water control valve 19, the value of record water flow meter 20 are opened；Water outlet
The flow difference of effusion meter 20 and feed water flow gauge 13 is exactly that the pressure release of electronic water pump is poor；Repetitive operation 3～4 times, averages.
Claims (1)
1. remotely control many performances electronic water pump testing stand, including: 1) be placed on the water tank (1) on stand (22), water tank built with
Liquidometer (4)；2) from the inlet pipeline (9) of water tank bottom diversion equipped with water inlet control valve (10), inlet gage (24) and
By intaking, coupling mechanism (12) is connected with electronic water pump (14) water inlet end, and there is feed water flow gauge (13) entrance；From water tank top
Equipped with outlet water control valve (19), discharge pressure table (18), water flow meter (20) on the outlet pipeline (21) of portion's backwater, and pass through
Water outlet coupling mechanism (17) is connected with electronic water pump (14) water side；3) electronic water pump rotating shaft and motor (16) transmission connect
Connect；
It is characterized in that:
1) installing integrated information interaction center (11) on water tank, has microcomputer raspberry pi (7): micro electric in it
Intracerebral is provided with long distance wireless wifi Transmission system (70)；8 input ports are had to connect the electricity of following 8 detection pieces respectively in microcomputer
Holding wire: the 1. cooling-water temperature sensor in water tank (2)；2. the hydraulic pressure sensor in water tank (3)；3. liquidometer (4) in water tank；④
Inlet gage (24)；5. discharge pressure table (18)；6. feed water flow gauge (13)；7. water flow meter (20)；8. it is located at electronics
The psophometer (15) on the side of water pump firm banking；Microcomputer has 5 delivery outlets to connect following 5 servosystem parts respectively
Signal execution line: the 1. water temperature regulation device (5) of the water cooler in water tank and heater；2. the booster pump in water tank (6)；
3. air relief valve (19)；4. water inlet control valve (10)；5. power supply valve (16a)；Above-mentioned all control circuit all along stand and
Water tank seat wall is laid；
2) set mobile control terminal (8) a long way off；It is provided with wireless wifi Transmission system (8.0), delivery outlet in mobile control terminal
It is connected to alarm (8.1)；Mobile control terminal is by wireless wifi and information exchange central transmission information and instruction, and shows in real time
Show detection data；
3) water tank is placed on testing stand bottom stand (22), has tilting bottom surface (1a) in water tank；
4) electronic water pump fixing device is formed as follows: electronic water pump is placed on inner surface configuration to coordinate with electronic water pump external surface shape
In the consistent electronic water pump firm banking (14a) being placed on stand, push the water inlet of force to position cylinder (9x) with horizontal x
Pipe (9) is connected with water intake mechanism (12) pipeline compression, and junction is held out against to spring (9a) with x；With perpendicular z to position cylinder (21z)
The outlet pipe (21) pushing force is connected with discharge mechanism (17) pipeline compression, and junction is held out against to spring (21a) with z；
5) setting such as bottom roller lowering or hoisting gear (23) below stand: equipped with brake block (23a) on roller (23b)；By roller
If foot cup (23c), foot cup upper end is to be cased with locking nut (23d) the threaded cup bar (23e) with being threaded in stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794598.0U CN205918574U (en) | 2016-07-25 | 2016-07-25 | Many performances of remote control electronic pump test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794598.0U CN205918574U (en) | 2016-07-25 | 2016-07-25 | Many performances of remote control electronic pump test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918574U true CN205918574U (en) | 2017-02-01 |
Family
ID=57873563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620794598.0U Withdrawn - After Issue CN205918574U (en) | 2016-07-25 | 2016-07-25 | Many performances of remote control electronic pump test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918574U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089673A (en) * | 2016-07-25 | 2016-11-09 | 四川五洲仁信科技有限公司 | Remotely control many performances electronic water pump testing stand and detection method |
| CN108443133A (en) * | 2018-03-16 | 2018-08-24 | 大连市君宝铁路配件有限公司 | Cooling Water of Diesel Locomotive pumps Precision measurement experimental rig |
| CN109883540A (en) * | 2019-03-15 | 2019-06-14 | 华域皮尔博格泵技术有限公司 | Test the device of water pump noise |
| CN112283121A (en) * | 2019-07-25 | 2021-01-29 | 戴博水泵股份有限公司 | Electric pump with customizable accessories |
-
2016
- 2016-07-25 CN CN201620794598.0U patent/CN205918574U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089673A (en) * | 2016-07-25 | 2016-11-09 | 四川五洲仁信科技有限公司 | Remotely control many performances electronic water pump testing stand and detection method |
| CN108443133A (en) * | 2018-03-16 | 2018-08-24 | 大连市君宝铁路配件有限公司 | Cooling Water of Diesel Locomotive pumps Precision measurement experimental rig |
| CN109883540A (en) * | 2019-03-15 | 2019-06-14 | 华域皮尔博格泵技术有限公司 | Test the device of water pump noise |
| CN112283121A (en) * | 2019-07-25 | 2021-01-29 | 戴博水泵股份有限公司 | Electric pump with customizable accessories |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20181130 |
|
| AV01 | Patent right actively abandoned |