CN105972262B - A kind of emergency oxygen supply valve - Google Patents
A kind of emergency oxygen supply valve Download PDFInfo
- Publication number
- CN105972262B CN105972262B CN201610374942.5A CN201610374942A CN105972262B CN 105972262 B CN105972262 B CN 105972262B CN 201610374942 A CN201610374942 A CN 201610374942A CN 105972262 B CN105972262 B CN 105972262B
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- Prior art keywords
- diaphragm
- valve body
- striker
- valve
- oxygen supply
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
- F16K13/04—Other constructional types of cut-off apparatus; Arrangements for cutting-off with a breakable closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of emergency oxygen supply valves, it include the valve body with the air supply opening for being connected to gas cylinder and the gas outlet for exporting oxygen, the feeding pneumatic being connected to gas outlet is equipped in valve body, feeding pneumatic is equipped with the diaphragm for separating gas circuit, movement is equipped with the striker for puncturing diaphragm in valve body, and the driving mechanism for driving striker to be moved towards the direction for puncturing diaphragm being sequentially connected with the striker is additionally provided on valve body.Since driving mechanism to be directly installed on valve body, in use, other structures need not be arranged still further, air supplying operation is more convenient, can effectively improve the portability of the oxygen supply equipment using the oxygen supply valve.
Description
Technical field
The present invention relates to a kind of emergency oxygen supply valves.
Background technology
Recent domestic is higher and higher to the attention degree of safety, especially in lifesaving field, a easy to operate, sealing
Property it is good, can quickly open and can be directly used for breathing emergency oxygen supply valve be particularly important.The achievable above functions in the country
Similar oxygen supply valve is few, and external such oxygen supply valve is complicated, and the cost is relatively high.
Disclosed in the Chinese utility model patent specification that Authorization Notice No. is CN2165877Y a kind of chemical oxygen from
The air-stored starter for rescuing device, is made of high-pressure bottle and Quick open valve door, and high-pressure bottle uses Miniature oxygen cylinder, quickly
Valve uses firing pin type valve, and firing pin type valve and oxygen cylinder use screw-type Hard link, firing pin type valve by shell, diaphragm,
Lever, striker, inflating catheter composition, the gas outlet of shell are equipped with diaphragm, and diaphragm is compressed by housing pin, housing pin and shell
Body screw-thread fit, is provided with through-hole among housing pin, and mobile in the through-hole to be equipped with striker, striker is driven by lever, lever
It is used as fulcrum by hinge, has drawstring in the end system of lever.In use, pulling drawstring that lever, lever pushing striker is affected to wear
Rupture of membranes piece, oxygen are quickly released by gas outlet through the gap between striker and housing pin.Quickly start valve opening when institute
The lever needed arranges that lever is pulled by drawstring independently of valve body, drives striker movement to puncture diaphragm by lever rotation.
But this lever needs independently arranged are in addition separately installed, are limited to field of employment, use is more inconvenient.
Invention content
The present invention provides a kind of emergency oxygen supply valve, to solve lever and the drawing of driving striker movement existing in the prior art
The technical issues of rope causes to need other separately installed lever and drawstring when in use independently of valve body arrangement.
The technical solution of emergency oxygen supply valve provided by the present invention is：A kind of emergency oxygen supply valve, including have for gas
The valve body of the air supply opening and gas outlet for exporting oxygen of bottle connection is equipped with the feeding pneumatic being connected to gas outlet in valve body,
Feeding pneumatic is equipped with the diaphragm for separating gas circuit, and the striker being equipped with for puncturing diaphragm is moved in valve body, is gone back on valve body
Equipped with the driving mechanism for driving striker to be moved towards the direction for puncturing diaphragm being sequentially connected with the striker.
Hitting for the active force for applying the direction movement for forcing striker away from diaphragm to striker is equipped in the valve body
Needle spring, the driving mechanism include driving bearing pin, and driving bearing pin direct acting or rotation are assemblied on the valve body, the drive of direct acting
There is the active force pushing tow striker for overcoming firing pin spring when driving bearing pin moves extended along direct acting direction on dynamic axis pin
Towards the taper top pressure section for the direction movement for puncturing diaphragm, have in the driving bearing pin of rotation for when driving bearing pin rotates gram
The active force pushing tow striker of firing pin spring is taken towards the cam structure for the direction movement for puncturing diaphragm.
The reciprocal direct acting of the driving bearing pin is assemblied on the valve body, is equipped in valve body to driving bearing pin application and is forced
Driving bearing pin is in direct acting side upwardly toward the axis pin spring of the direction movement of the bigger diameter end of the taper top pressure section.
The diaphragm mounting hole for replacing diaphragm being connected to the feeding pneumatic is additionally provided on the valve body, in diaphragm
Removable sealing is equipped with the spiral compression part being fixed on diaphragm press fitting in feeding pneumatic, the spiral compression part in mounting hole
It is located at the both sides of the diaphragm with the striker.
The diaphragm mounting hole is the outward-facing stepped hole of ladder, and the spiral compression part spiral is assemblied in the rank
The path section in terraced hole is equipped with plug in the removable sealing of the major diameter section of stepped hole.
Diaphragm installation cavity is equipped in the valve body, the diaphragm is pressed abd fixed on diaphragm by the spiral compression part and installs
In chamber, diaphragm by diaphragm installation cavity be divided into and corresponding first chamber of the striker and with the spiral compression part corresponding second
Chamber, the first chamber are connected to the air supply opening, and the second chamber is connected to the gas outlet.
The feeding pneumatic is equipped with for being reduced to setting value with full the gas pressure inputted through the air supply opening
Pressure reduction structure of the foot for oxygen demand.
It is communicated with safety valve in the downstream position of the pressure reduction structure on the feeding pneumatic, safety valve is mounted on institute
It states on valve body.
It is additionally provided with inflating port on the valve body, which is connected to the air supply opening by inflating gas circuit, described to fill
Inflation check valve and filtration are correspondingly provided at gas port.
The inflating air road is equipped with pressure gauge.
The beneficial effects of the invention are as follows：In emergency oxygen supply valve provided by the present invention, the feeding pneumatic of valve body, which is equipped with, to be used
Movement is equipped with striker to puncture diaphragm in the diaphragm of partition gas circuit, valve body, and driving mechanism is additionally provided on valve body, drives
Mechanism is sequentially connected with striker to drive striker to be moved towards the direction for puncturing diaphragm, and then diaphragm is punctured, gas supply is connected
Gas circuit realizes oxygen supply.Since driving mechanism being directly installed on valve body, in use, need not still further arrange other structures,
Air supplying operation is more convenient, can effectively improve the portability of the oxygen supply equipment using the oxygen supply valve.
Further, driving mechanism includes driving bearing pin, and driving bearing pin direct acting is assemblied on valve body, can be passed through in this way
Keep driving bearing pin mobile upwardly toward the direction of the path section of the taper top pressure section in direct acting side and top pressure striker towards puncturing
The direction of diaphragm is moved, and structure is relatively simple, and operation is more convenient, also allows for ensureing design accuracy.
Further, setting axis pin spring can ensure the stability of the driving bearing pin of direct acting, prevent maloperation.
Further, driving mechanism includes driving bearing pin, and being assemblied on valve body for driving bearing pin rotation can pass through in this way
It rotates driving bearing pin and drives cam structure rotation, to which pushing tow striker punctures diaphragm, driving bearing pin actuating range is small, and rotation is flat
Surely, easy to operation, it also allows for ensureing design accuracy.
Further, spiral compression part and striker are located at the both sides of diaphragm, in this way can in the case where not influencing striker,
Disassembling, assembling and replacing is carried out to diaphragm, dismounting is more convenient.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of emergency oxygen supply valve provided by the present invention；
Fig. 2 is the left hand view of oxygen supply valve shown in Fig. 1；
Fig. 3 is the vertical view of oxygen supply valve shown in Fig. 1；
Fig. 4 is A-A sectional views in Fig. 1；
Fig. 5 is B-B sectional views in Fig. 1；
Fig. 6 is C-C sectional views in Fig. 2；
Fig. 7 is D-D sectional views in Fig. 2.
Specific implementation mode
As shown in Figures 1 to 7, a kind of embodiment of emergency oxygen supply valve, including valve body 1, valve body 1 are equipped with and are used for and oxygen
Air supply opening 2, the gas outlet 3 for exporting oxygen and the inflating port for being connected to oxygen source of bottle connection, in fact, supplying
Mouth 2 goes out to be provided with air connector, and corresponding gas-charging connection is equipped at inflating port.It is equipped with connection air supply opening 2 on valve body 1 and goes out
The feeding pneumatic 100 of gas port 3 and the inflation gas circuit 200 for being connected to inflating port and air supply opening 2.
To ensure normal use, it is equipped on feeding pneumatic 100 for the gas pressure inputted through air supply opening to be reduced to
For setting value to meet the pressure reduction structure 8 for oxygen demand, pressure reduction structure 8 includes the decompression valve chamber that valve body 1 is equipped with, and is depressurized in valve chamber
Equipped with the structures such as valve seat, spool, gasket, resetting spring and piston, main spring, pressure reduction structure specifically can be used in the prior art
Common pressure reduction structure, details are not described herein.
To ensure gas circuit safety, it is communicated with safety valve 9 in the downstream position of pressure reduction structure 8 on feeding pneumatic 100, is pacified
Full valve 9 is mounted on valve body 1, and safety valve 9 includes safe valve core, safety valve spring, pressure regulating screw and corresponding locking nut,
Structure belongs to the prior art, and details are not described herein.
The diaphragm for separating feeding pneumatic is additionally provided in feeding pneumatic 100, which is internally provided in valve body 1
Diaphragm installation cavity in, valve body 1 be equipped be connected to feeding pneumatic 100 in diaphragm installation cavity installation diaphragm diaphragm
One end of mounting hole 11, the separate diaphragm of the diaphragm mounting hole 11 extends to valve outer surface, and diaphragm mounting hole 11 is cascaded surface
Stepped hole outwardly, the removable sealing of path section in the inside of stepped hole, which is equipped with, is fixed on diaphragm press fitting in feeding pneumatic
Spiral compression part 13, plug 12 is equipped in the removable sealing of the major diameter section of stepped hole, in the endoporus of plug 12 and stepped hole
Sealing ring is set between wall to realize sealing assembly.
In diaphragm 10, away from the side of spiral compression part 13, movement is equipped with the striker for puncturing diaphragm in valve body 1
14,14 guiding movement of striker is assemblied in guide sleeve, and striker O-ring is equipped between striker 14 and valve body 1, is also covered outside striker 14
Equipped with the firing pin spring 15 for applying the active force for forcing striker to be moved away from diaphragm to striker.Above-mentioned spiral compression part 13
It is located at the both sides of the diaphragm with striker 14.
In fact, diaphragm 10 is pressed abd fixed on by spiral compression part 13 in diaphragm installation cavity, diaphragm 10 is by diaphragm installation cavity
It is divided into and corresponding first chamber 101 of striker 14 and second chamber 102 corresponding with spiral compression part 13, the first chamber 101 and valve body 1
On gas outlet 3 be connected to, the second chamber 102 is connected to the air supply opening 2 on valve body 1.Due to the sealing category of 13 side of spiral compression part
In static seal, when reaching identical sealing intensity, required cost is relatively low, can preferably meet in feeding pneumatic in this way
Gas pressure requirement.
In the present embodiment, valve body 1 is equipped with is used to drive striker 14 towards puncturing diaphragm with what striker 14 was sequentially connected
The driving mechanism of direction movement, driving mechanism include and the vertically arranged driving bearing pin 16 of the moving direction of striker 14, drive pin
The reciprocal direct acting of axis 16 is assemblied on valve body 1, is had in the driving bearing pin 16 of direct acting and is used to drive along what direct acting direction extended
The taper top for overcoming the active force pushing tow striker 14 of firing pin spring 15 to be moved towards the direction for puncturing diaphragm 10 when dynamic axis pin movement
It presses section 161, taper top pressure section 161 that there is bigger diameter end and miner diameter end, is set with to apply to driving bearing pin outside driving bearing pin 16 and compel
Make axis pin spring 17 of the driving bearing pin 16 in direct acting side upwardly toward the direction movement of the bigger diameter end of the taper top pressure section, axis pin
Spring 17 is the compression spring that one end top pressure is on valve body 1, other end top pressure is in driving bearing pin 16.
Also, connecting shaft 18 is fixedly connected in driving bearing pin 16, in use, can be by forcing drive along direct acting direction
The path extreme direction of dynamic axis pin 16 towards taper top pressure section pulls connecting shaft 18 to force driving bearing pin to move, and overcomes firing pin spring
15 active force forces striker 14 to be moved towards diaphragm 10 to puncture diaphragm so that feeding pneumatic is connected.
To prevent maloperation driving bearing pin in direct acting direction upwards i.e. towards the direction of the bigger diameter end of taper top pressure section excess
It moves and maloperation occurs, be equipped in valve body 1 for limiting driving bearing pin towards the upward spacing collar 19 excessively moved, limit
Position sleeve 19 is fitted over by the press fitting of 20 elastic top of limit spring in valve body, has directed downwardly be used for and connecting shaft 18 on spacing collar 19
The stopping surface of pushing tow block cooperation.
In addition, the inflating port on valve body 1 is connected to by inflating gas circuit 200 with air supply opening 2, it is correspondingly provided with and fills at inflating port
Gas connector 19 goes out to be additionally provided with inflation check valve in inflating port, is also equipped on valve body for detecting the oxygen pressure in inflation gas circuit
The pressure gauge 5 of power.
There are two types of operating modes for the oxygen supply valve that the present embodiment is provided：
（1）Oxygen output mode：
High pressure oxygen in oxygen cylinder is passed through through air supply opening 2 in the feeding pneumatic 100 of valve body, is decompressed to through pressure reduction structure 8
After 0.2~0.6MPa, it is passed through in the second chamber 102 towards spiral compression part of 10 side of diaphragm, pulls downward on connecting shaft 18, this
When, towards the direction direct acting of the miner diameter end of taper top pressure section, Fig. 6 show driving bearing pin 16 and moves down driving bearing pin 16, drives
Taper top pressure section 161 on dynamic axis pin 16 moves the active force for overcoming firing pin spring 17 with pushing tow striker 14 towards diaphragm 10,
Diaphragm is punctured, feeding pneumatic 100 is connected, and 0.2~0.6MPa low oxygens pass through after the decompression in the second chamber 102 of diaphragm side
Perforation on diaphragm 10 flows into the first chamber 101 on the left of diaphragm.Low oxygen in first chamber 101 is by being used as feeding pneumatic
The inclined hole of a part flows into gas outlet 3, realizes continuous low oxygen supply.After diaphragm 10 punctures use, detachable lower end cap
12 and spiral compression part 13 re-replace diaphragm 10, realize that circulating repetition uses.
（2）Oxygen charging pattern：
As shown in fig. 7, unloading cap nut and plug, oxygen source is connected on the gas-charging connection 19 that inflating port goes out,
Oxygen flows into inflation gas circuit 200 by inflating check valve, is passed through oxygen cylinder eventually by air supply opening, realizes oxygenation function.Such as Fig. 7
It is shown, oxygen pressure is inputted by 5 observable oxygen supply valve of pressure gauge, it, can be from filling when inputting oxygen pressure and being less than job requirement
Gas connector is filled with high pressure oxygen to oxygen cylinder.
In above-described embodiment, driving bearing pin is direct acting, and in other embodiments, it is rotation that can also make driving bearing pin
, have in the driving bearing pin of rotation for overcoming the active force pushing tow striker of firing pin spring towards thorn when driving bearing pin rotates
The cam structure of the direction movement of rupture of membranes piece.
In above-described embodiment, driving mechanism includes driving bearing pin, and in other embodiments, driving mechanism can also use existing
Have the lever in technology, it should be noted that need by lever it is directly hinged be mounted on valve body on.In fact, can also lead to
The push-pull rod that setting is fixedly connected with striker is crossed to drive striker to move to puncture diaphragm.
In above-described embodiment, the press fitting of diaphragm is fixed using the realization of spiral compression part, it in other embodiments, can also
Directly diaphragm press fitting is fixed in diaphragm installation cavity using plug.
Claims (9)
1. a kind of emergency oxygen supply valve includes the valve with the air supply opening for being connected to gas cylinder and the gas outlet for exporting oxygen
Body, is equipped with feeding pneumatic be connected to gas outlet in valve body, and feeding pneumatic is moved in valve body equipped with the diaphragm for separating gas circuit
The dynamic striker being equipped with for puncturing diaphragm, it is characterised in that：It is additionally provided on valve body and is used to drive with what the striker was sequentially connected
Dynamic striker towards the driving mechanism for the direction movement for puncturing diaphragm, be equipped in the valve body to striker application force striker towards
The firing pin spring for the active force that direction far from diaphragm is moved, the driving mechanism includes driving bearing pin, driving bearing pin direct acting
It is assemblied on the valve body, has in the driving bearing pin of direct acting and be used to overcome when driving bearing pin moves along what direct acting direction extended
Taper top pressure section of the active force pushing tow striker of firing pin spring towards the direction movement for puncturing diaphragm.
2. emergency oxygen supply valve according to claim 1, it is characterised in that：The reciprocal direct acting of the driving bearing pin is assemblied in
Being equipped on the valve body, in valve body to driving bearing pin application forces driving bearing pin in direct acting side upwardly toward the taper top pressure section
Bigger diameter end direction movement axis pin spring.
3. emergency oxygen supply valve according to claim 1, it is characterised in that：It is additionally provided on the valve body and the gas supply gas
The diaphragm mounting hole for replacing diaphragm of road connection, removable sealing is equipped in diaphragm mounting hole is pressed fixation by diaphragm
Spiral compression part in feeding pneumatic, the spiral compression part are located at the both sides of the diaphragm with the striker.
4. emergency oxygen supply valve according to claim 3, it is characterised in that：The diaphragm mounting hole is that ladder is outward-facing
Stepped hole, the spiral compression part spiral are assemblied in the path section of the stepped hole, in removable close of the major diameter section of stepped hole
Encapsulation is furnished with plug.
5. emergency oxygen supply valve according to claim 3, it is characterised in that：Diaphragm installation cavity, institute are equipped in the valve body
It states diaphragm to be pressed abd fixed in diaphragm installation cavity by the spiral compression part, diaphragm installation cavity is divided into and the striker by diaphragm
Corresponding first chamber and the second chamber corresponding with the spiral compression part, the first chamber are connected to the gas outlet, the second chamber and institute
State air supply opening connection.
6. emergency oxygen supply valve as claimed in any of claims 1 to 5, it is characterised in that：On the feeding pneumatic
Equipped with for the gas pressure inputted through the air supply opening to be reduced to setting value to meet the pressure reduction structure for oxygen demand.
7. emergency oxygen supply valve according to claim 6, it is characterised in that：In the pressure reduction structure on the feeding pneumatic
Downstream position be communicated with safety valve, safety valve is mounted on the valve body.
8. emergency oxygen supply valve as claimed in any of claims 1 to 5, it is characterised in that：It is also set on the valve body
There is inflating port, which is connected to the air supply opening by inflating gas circuit, and inflation check valve is correspondingly provided at the inflating port
And filtration.
9. emergency oxygen supply valve according to claim 8, it is characterised in that：The inflating air road is equipped with pressure gauge.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374942.5A CN105972262B (en) | 2016-05-31 | 2016-05-31 | A kind of emergency oxygen supply valve |
| CN201810827333.XA CN109000003B (en) | 2016-05-31 | 2016-05-31 | Emergency oxygen supply valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610374942.5A CN105972262B (en) | 2016-05-31 | 2016-05-31 | A kind of emergency oxygen supply valve |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827333.XA Division CN109000003B (en) | 2016-05-31 | 2016-05-31 | Emergency oxygen supply valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105972262A CN105972262A (en) | 2016-09-28 |
| CN105972262B true CN105972262B (en) | 2018-08-03 |
Family
ID=57009967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610374942.5A Active CN105972262B (en) | 2016-05-31 | 2016-05-31 | A kind of emergency oxygen supply valve |
| CN201810827333.XA Active CN109000003B (en) | 2016-05-31 | 2016-05-31 | Emergency oxygen supply valve |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827333.XA Active CN109000003B (en) | 2016-05-31 | 2016-05-31 | Emergency oxygen supply valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105972262B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL149450B (en) * | 1967-12-12 | 1976-05-17 | Bernhardt Apparatebau Gmbh Co | DEVICE FOR INFLATING THE FLOATING BODY OF A FLOATING RESCUE DEVICE. |
| GB2051335B (en) * | 1979-05-30 | 1983-01-26 | Legris | Remote-controlled valves |
| CN86210261U (en) * | 1986-12-14 | 1988-08-24 | 颜之亨 | Rapid inflating device |
| CN2077305U (en) * | 1990-11-13 | 1991-05-22 | 国防科工委航天医学工程研究所科技开发部 | Medical regulator of oxygen therapy |
| CN2751211Y (en) * | 2004-09-20 | 2006-01-11 | 纪成尧 | Oxygen supply valve for medical purposes |
| CN101858484B (en) * | 2009-09-27 | 2012-06-20 | 凯迈（洛阳）气源有限公司 | High-pressure gas bottle and inflating method thereof |
| CN201914406U (en) * | 2010-12-31 | 2011-08-03 | 航宇救生装备有限公司 | Automatic entry inflating device of multi-passenger lifeboat |
| US9045207B2 (en) * | 2012-07-23 | 2015-06-02 | Carleton Technologies, Inc. | Inflator assembly adapted for manual or automatic inflation |
| CN202884464U (en) * | 2012-11-16 | 2013-04-17 | 张俊福 | Air inflation bottle for air-pocket backpack |
| CN102943961B (en) * | 2012-11-27 | 2015-04-29 | 凯迈（洛阳）气源有限公司 | Diaphragm type gas cylinder and cylinder opening mechanism thereof |
| CN203047517U (en) * | 2012-11-27 | 2013-07-10 | 凯迈（洛阳）气源有限公司 | Life-saving equipment and inflation valve thereof |
| CN104295891B (en) * | 2014-10-11 | 2016-04-27 | 凯迈（洛阳）气源有限公司 | Gas cylinder inflation, air connector and use the gas cylinder of this device |
-
2016
- 2016-05-31 CN CN201610374942.5A patent/CN105972262B/en active Active
- 2016-05-31 CN CN201810827333.XA patent/CN109000003B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105972262A (en) | 2016-09-28 |
| CN109000003B (en) | 2020-04-03 |
| CN109000003A (en) | 2018-12-14 |
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