CN107589008A - A kind of force measuring device being applied under high temperature and high pressure environment - Google Patents
A kind of force measuring device being applied under high temperature and high pressure environment Download PDFInfo
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- CN107589008A CN107589008A CN201711071169.6A CN201711071169A CN107589008A CN 107589008 A CN107589008 A CN 107589008A CN 201711071169 A CN201711071169 A CN 201711071169A CN 107589008 A CN107589008 A CN 107589008A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses a kind of force measuring device being applied under high temperature and high pressure environment, which avoids tensile axis in the prior art and autoclave to use dynamic sealing connected mode, kinetic force of friction without considering sealing ring, so that the frictional force of friction pair can be obtained directly by force sensor measuring, measurement data is more precisely reliable；Meanwhile the direct dynamometry of underwater force snesor suitable for normal temperature high voltage environment that can be purchased by using in the market in the force measuring device, overcome because of the inaccurate technical problem of the measurement data do not brought suitable for force snesor under high temperature and high pressure environment.
Description
Technical field
The present invention relates to a kind of force measuring device being applied under high temperature and high pressure environment.
Background technology
Frictional behaviour is one of fundamental property of material, and the frictional behaviour of certain material can be rubbed by the quiet, dynamic of material
Coefficient is wiped to characterize, wherein, confficient of static friction is defined as the ratio between stiction and normal force（Stiction is that two contact surfaces exist
Maximum resistance when relative movement starts）.In actual engineering design and assessment, coefficient of friction is modular construction stable calculation
One of key parameter, especially confficient of static friction is judgement part from the key parameter for being stabilized to unstability, it is necessary to pass through experiment
Obtain.
At present, only to some very simple friction pair species, contact form, rings in the international professional standard such as ASTM
The combined situation specification of border condition test method, and for friction pair species complex present in Practical Project, connect
The form of touching, the combined situation of environmental condition do not have the corresponding test method of specification.Therefore, either the design phase still transports at present
Row evaluation stage, the value of confficient of static friction is generally only with reference to the analogue in mechanical handbook between friction pair, and manipulator
Volume in reference value often the friction pair species with engineering physical unit, contact form, environmental condition situations such as be not inconsistent, so meeting
Appearance designs or assessed the excessive or too small phenomenon of safety coefficient, is unfavorable for industrial economy, security.Especially
It is for being on active service in the middle part of high temperature high pressure enclosed container environment for part, due to high-temperature high pressure water（Or steam）Load in environment
The limitation of sensor and displacement transducer uses, and the measurement of its confficient of static friction is even more difficulty.
In the prior art, in order to obtain the confficient of static friction between high-temperature high pressure water or steam ambient lower component, lead to
Often all it is that sample is placed in high temperature high pressure enclosed container to be tested, however, almost no in the market be applied to such
Force snesor under environmental condition carrys out the frictional force of direct measurement sample, thus current confficient of static friction is all by surveying indirectly
Measure and calculated what is obtained.During above-mentioned calculating obtains confficient of static friction, it is necessary in view of close in experimental rig
The frictional force of element is sealed, and the frictional force is not a stable numerical value, its fluctuation is bigger and irregular, thus so surveys
Measure the coefficient of static friction values that is calculated and not accurate enough.
The content of the invention
A kind of the shortcomings that the invention aims to overcome prior art, there is provided power being applied under high temperature and high pressure environment
Measurement apparatus, wherein frictional force can direct measurement obtain, measurement it is very convenient.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of power being applied under high temperature and high pressure environment is surveyed
Device is measured, wherein, the inner chamber of high-pressure bottle is high temperature and high pressure environment chamber, and the force measuring device includes：
Adapter sleeve, one end are used for mutually fixed with the high-pressure bottle and are tightly connected, have vertically on the adapter sleeve
The first through hole for running through and being connected with the high temperature and high pressure environment chamber；
Installation set, it is fixedly arranged on the other end of the adapter sleeve, has the host cavity of closing in the installation set, described
Host cavity is connected with the first through hole；
Power output shaft, the output end of the power output shaft are located in the host cavity of the installation set；
Force snesor, the force snesor are the underwater force cell suitable for normal temperature high voltage environment, and the force snesor connects
It is connected in the output end of the power output shaft and in the host cavity；
Tensile axis, the axial line of the tensile axis is parallel with the axial line of the power output shaft or overlaps, the tensile axis
One end is fixedly attached on the force snesor, and the other end of the tensile axis through the first through hole and stretches into the height
In the high temperature and high pressure environment chamber of pressure vessel；
Cooling jacket, it is set on the adapter sleeve, and cooling water cavity is formed between the cooling jacket and adapter sleeve, described cold
But also there is the intake tunnel and exhalant canal being connected with the cooling water cavity on water jacket.
Preferably, there are the connector portions for being used for mutually being fixedly connected with the adapter sleeve, the connector portions in the installation set
On offer be available for the tensile axis correspond to vertically through the second through hole, the described host cavity of second through hole connection with
Described first through hole.
Further, the host cavity is divided into the different both sides of second through hole with the first through hole.
Further, gap is ordinatedly plugged in the first through hole and the second through hole the tensile axis respectively.
Further, the first through hole is identical with the aperture of the second through hole and both center lines are set with coinciding.
Preferably, there are two collar flanges, two collar flanges are described in the outside week of the adapter sleeve in portion
The axially spaced-apart of adapter sleeve is set, and described cooling jacket is hermetically set on the collar flange described in two, the cooling
Described cooling water cavity is formed between the inner side perisporium of water jacket, the outer perimeter wall of the adapter sleeve and two collar flanges.
Preferably, the installation set is wholely set with the adapter sleeve, or the installation set and the adapter sleeve split
Set and be fixedly connected by helicitic texture.
Preferably, described power output shaft is self-balancing tensile axis, mounting seat and the peace of the self-balancing tensile axis
Encapsulation is fixedly connected, and is connected to phase dynamic sealing between the output end of the self-balancing output shaft and the installation set.
Preferably, cable outlet is additionally provided with the installation set, cable sealed joint is provided with the cable outlet, it is described
The signal output cable of force snesor connects and protruding with the cable sealed joint.
Preferably, described high-pressure bottle is autoclave, and the autoclave includes kettle and kettle cover, the connection external threading
It is fixed on the kettle cover to connection, the pilot hole passed axially through for the tensile axis, the drawing is offered on the kettle cover
Shaft clearance is stretched ordinatedly to be arranged in the pilot hole.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art：
1st, the underwater force snesor suitable for normal temperature high voltage environment that can be purchased using in the market carries out dynamometry, without high temperature
The underwater force snesor of hyperbaric environment；
2nd, hyperbaric environment residing for force snesor is consistent with hyperbaric environment residing for sample, and measurement data is more accurate；
3rd, dynamic sealing connection is saved between tensile axis and autoclave, therefore the kinetic force of friction of sealing ring need not be considered so that friction
Secondary frictional force can be obtained directly by force sensor measuring, and measurement data is more accurate.
Brief description of the drawings
Accompanying drawing 1 be the present embodiment used by testing machine overall structure diagram；
Accompanying drawing 2 be used by the present embodiment on testing machine between tensile axis and self-balancing tensile axis structure schematic side view；
Accompanying drawing 3 is the cross section structure diagram of accompanying drawing 2；
Accompanying drawing 4 is the structure of accompanying drawing 3 and the attachment structure schematic diagram of autoclave；
Accompanying drawing 5 is attachment structure enlarged diagram between installation set, adapter sleeve and cooling jacket in accompanying drawing 3；
Accompanying drawing 6 is the force analysis schematic diagram of the testing machine of the present embodiment；
Accompanying drawing 7 is another usage scenario schematic diagram of the force measuring device of the present invention；
Wherein：1st, power output shaft（Self-balancing tensile axis）；11st, output end；2nd, installation set；21st, host cavity；22nd, the second through hole；
23rd, connector portions；24th, cable sealed joint；3rd, adapter sleeve；31st, first through hole；32nd, collar flange；4th, cooling jacket；41st, cool down
Water cavity；42nd, intake tunnel；43rd, exhalant canal；5th, force snesor；51st, signal output cable；6th, tensile axis；7th, limiting retainer ring；
8th, high-pressure bottle（Autoclave）；81st, kettle；82nd, kettle cover；9th, clamp assembly；91st, the first sample；92nd, the second sample；10th, power is surveyed
Measure device；20th, machine is loaded；30th, sensor；40th, connecting shaft；50th, frame.
Embodiment
Technical scheme is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 6, a kind of force measuring device being applied under high temperature and high pressure environment, it is high to be mainly used in simulation
Power measurement between warm high pressure work condition environment lower component during wear test.It is a kind of high-temperature high pressure water or steam ring as shown in Figure 1
Border fretting apparatus, it is mainly used in two samples and fretting wear experiment is carried out in high-temperature high pressure water or steam ambient,
To simulate the abrasion condition under corresponding operating mode between two parts, and then wear condition is prejudged in advance.
Shown in Figure 1, the testing machine includes frame 50, the loading machine 20 located at the top of frame 50, and the loading machine 20 is used
In the vibration of output upper frequency, to export loading force and displacement, herein, the action shaft of loading machine 20 vertically extends,
To export the power of vertical direction and displacement.Sensor 30 is provided with below the main shaft of loading machine 20 to detect adding for the output of loading machine 20
Power is carried, the lower section of sensor 30 is connected with connecting shaft 40 by universal joint.High-pressure bottle 8 is additionally provided with frame 50, is used herein
For autoclave, fill high temperature and high pressure gas or liquid in its inner chamber at the trial and form high temperature and high pressure environment chamber, it includes
Kettle 81 and the kettle cover 82 being sealably coupled on kettle 81, wherein, it is located in frame 50 to the oscilaltion of kettle 81, kettle cover 82
It is fixedly disposed with respect to the position of frame 50.Sample is gripped by clamp assembly 9 and in the inner chamber of autoclave 8.
Referring to shown in Fig. 1 to Fig. 6, force measuring device 10 is located between above-mentioned connecting shaft 40 and autoclave 8.Specifically,
The force measuring device 10 includes：
Adapter sleeve 3, the bottom of the adapter sleeve 3 are fixed and are sealingly attached on the kettle cover 82 of autoclave 8, on the adapter sleeve 3
With axially through and with autoclave 8 intracavity inter-connection first through hole 31；
Installation set 2, the bottom of the installation set 2 are fixedly attached on the upper end of adapter sleeve 3, in the installation set 2 have with
The host cavity 21 that first through hole 31 is connected；
Power output shaft, use herein for self-balancing tensile axis 1, its upper end is connected with the bottom of connecting shaft 40, under it
Hold as output end 11, the output end 11 is located in the host cavity 21 of installation set 2, and is mutually moved between output end 11 and installation set 2
Hermetically connect；
Force snesor 5, the force snesor 5 is using the underwater force cell suitable for normal temperature high voltage environment, this kind of force snesor
Can directly it be commercially available in the market, the force snesor 5 is housed in host cavity 21, and it is fixed on power output end 11
On；
Tensile axis 6, the axial line of the tensile axis 6 is parallel with the axial line of self-balancing tensile axis 1 or overlaps, the tensile axis 6
Upper end is fixedly attached on force snesor 5, and the other end of tensile axis 6 through first through hole 31 and stretches into the inner chamber of autoclave 8
In；
Cooling jacket 4, the cooling jacket 4 are set on adapter sleeve 3, and cooling water cavity is formed between cooling jacket 4 and adapter sleeve 3
41, also there is on cooling jacket 4 intake tunnel 42 and exhalant canal 43 being connected with cooling water cavity 41.
Specifically, the connector portions 23 for being used for being fixedly connected with the phase of adapter sleeve 3 referring to having shown in each accompanying drawing, in installation set 2,
Offered in the connector portions 23 be available for tensile axis 6 vertically correspond to through the second through hole 22, second through hole 22 connection first
Through hole 31 and host cavity 21, and host cavity 21 is divided into the different both sides on the above-below direction of the second through hole 22 with first through hole 31.
First through hole 31 is identical with the aperture of the second through hole 22 and both center lines overlap ground and set as far as possible, both holes
Diameter of the footpath than tensile axis 6 is somewhat larger, and the gap of tensile axis 6 is ordinatedly located in the through hole 22 of first through hole 31 and second,
And its both ends is located in the inner chamber of host cavity 21 and autoclave 8 respectively.So, between the environmental chamber of autoclave 8 and host cavity 21
By the gap between above-mentioned hole and realize gas-liquid connect, moreover, when tensile axis 6 axially movable when, tensile axis 6 and first lead to
Cross between the 31, second through hole 22 in the absence of contact.
During setting, above-mentioned installation set 2 using split-type structural and can pass through with adapter sleeve 3 in the way of the present embodiment
Helicitic texture is fixedly connected, and can also be machined directly to the structure of integral type.
Referring to shown in Fig. 2 to Fig. 5, the outside week portion of adapter sleeve 3 has two collar flanges 32, the two collar flanges 32
Set along the axially spaced-apart of adapter sleeve 3, cooling jacket 4 is in hollow tube-shape, and it is hermetically set in above-mentioned two by seal
On collar flange 32, so, between the inner side perisporium of cooling jacket 4, the outer perimeter wall of adapter sleeve 3 and two collar flanges 32 just
Form cooling water cavity 41.The cooling water cavity 41 is located at the outside of first through hole 31, by intake tunnel 42 and exhalant canal 43
Between be passed through recirculated cooling water, just can to from the inner chamber of autoclave 8 through first through hole 31 enter host cavity 21 gas-liquid give it is cold
But cool.The lower section of cooling jacket 4 is additionally provided with spacing back-up ring 7 to give axial limiting to cooling jacket 4, to avoid it to downslide
It is dynamic.
Referring to shown in Fig. 3 to Fig. 5, cable outlet is additionally provided with installation set 2, cable sealed joint is provided with the cable outlet
24, the cable sealed joint 24 is threadedly secured on above-mentioned cable outlet and sealed by O-ring seal, force snesor 5
Signal output cable 51 connect with cable sealed joint 24 and protruding.
Referring to shown in Fig. 1, Fig. 6, the end that tensile axis 6 is penetrated in the inner chamber of autoclave 8 is connected with clamp assembly 9.Herein,
The fixed clamp installation that clamp assembly 9 is used between the first sample 91 and the second sample 92, wherein, the first sample 91 is fixed on this
On the bottom of tensile axis 6, the second sample 92 is then fixed on the kettle cover 82 of autoclave 8 by clamp assembly 9, and is tried with first
Sample 91 remains contact.When loading machine 20 works, tensile axis 6 will be applied along its axial displacement, so that the first examination
Relative motion occurs between the sample 92 of sample 91 and second, and then carries out the fretting wear experiment between two samples.In the present embodiment
Clamp assembly 9 uses is ZL201210353366.8 for China Patent No., notification number is the B of CN 102866058, proprietary term
Referred to as " pipe-flat board linear contact lay fretting wear experiment clamping device ", its structure is no longer described in detail herein.
Join shown in Fig. 4, Fig. 5, when carrying out fretting wear experiment using the testing machine, complete the first sample 91 and the second examination
After the installation of sample 92, kettle 81 is risen and it is connected with the fitted seal of kettle cover 82.Now, the inner chamber of autoclave 8 with
In installation set 2 gas-liquid connected state is between the host cavity 21 of storing force sensor 5.
First so that the inner chamber of autoclave 8 and full experimental enviroment water or steam in the host cavity 21 of installation set 2, and
First it is under normal temperature high voltage state, now, the inner chamber of autoclave 8 in host cavity 21 with filling in normal temperature high voltage water or steaming
Vapour environment.
Then, then to the environmental chamber of autoclave 8 heat so that reach the high temperature shape of test requirements document in environmental chamber
State, and the condition of high temperature houses because of the adapter sleeve 3 and cooling jacket 4 that are connected between autoclave 8 and installation set 2 without being transferred to
In chamber 21 so that in host cavity 21 all the time in normal temperature high voltage water or steam ambient, force snesor 5 can be stablized in this context
Realize that power measures in ground.
It is shown in Figure 6, because the tensile axis 6 of the lower section of force snesor 5 is directly connected with the first sample 91, and tensile axis
6 will not produce friction during axially movable or release with miscellaneous part on testing machine, and therefore, measurement herein need not
The problem of considering frictional force, the measured numerical value obtained of the force snesor 5 is that the first sample 91 and the second sample 92 are formed
Frictional force between friction pair, i.e. F1=fSample.So, the test data obtained by measuring is more accurate.
Certainly, when the first sample 91 in the environmental chamber of autoclave 8 and the second sample 92 are using other structures, or
When changing the connected mode between sample and tensile axis 6, height can also be realized using the force measuring device 10 in the present embodiment
Power measurement under warm water under high pressure or steam ambient.
Certainly, can also be using the force measuring device 10 come to HTHP ring when the direction of institute's dynamometry changes
Force-bearing situation under border measures.In testing machine as illustrated in FIG. 7, the tensile axis 6 in two force measuring devices 10 is distinguished
Vertically extend and horizontally extending.
To sum up, force measuring device of the invention, which avoids tensile axis 6 be connected with autoclave 8 and caused by move it is close
The problem of envelope frictional force is not easy to measure, and tensile axis 6 is directly directly connected to force snesor 5, number is measured because obtained from
According to more accurate reliable, which overcome the measurement data brought because not being applied to force snesor under high temperature and high pressure environment to be forbidden
True technical problem.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (10)
1. a kind of force measuring device being applied under high temperature and high pressure environment, wherein, the inner chamber of high-pressure bottle is high temperature and high pressure environment
Chamber, it is characterised in that the force measuring device includes：
Adapter sleeve, one end are used for mutually fixed with the high-pressure bottle and are tightly connected, have vertically on the adapter sleeve
The first through hole for running through and being connected with the high temperature and high pressure environment chamber；
Installation set, it is fixedly arranged on the other end of the adapter sleeve, has the host cavity of closing in the installation set, described
Host cavity is connected with the first through hole；
Power output shaft, the output end of the power output shaft are located in the host cavity of the installation set；
Force snesor, the force snesor are the underwater force cell suitable for normal temperature high voltage environment, and the force snesor connects
It is connected in the output end of the power output shaft and in the host cavity；
Tensile axis, the axial line of the tensile axis is parallel with the axial line of the power output shaft or overlaps, the tensile axis
One end is fixedly attached on the force snesor, and the other end of the tensile axis through the first through hole and stretches into the height
In the high temperature and high pressure environment chamber of pressure vessel；
Cooling jacket, it is set on the adapter sleeve, and cooling water cavity is formed between the cooling jacket and adapter sleeve, described cold
But also there is the intake tunnel and exhalant canal being connected with the cooling water cavity on water jacket.
2. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：The installation
Putting has the connector portions for being used for mutually being fixedly connected with the adapter sleeve, is offered in the connector portions and is available for the tensile axis edge
Axially it is corresponding through the second through hole, the described host cavity of the second through hole connection and described first through hole.
3. the force measuring device according to claim 2 being applied under high temperature and high pressure environment, it is characterised in that：The collecting
Chamber is divided into the different both sides of second through hole with the first through hole.
4. the force measuring device according to claim 2 being applied under high temperature and high pressure environment, it is characterised in that：The stretching
Gap is ordinatedly plugged in the first through hole and the second through hole axle respectively.
5. the force measuring device according to claim 2 being applied under high temperature and high pressure environment, it is characterised in that：Described first
Through hole is identical with the aperture of the second through hole and both center lines are set with coinciding.
6. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：The connection
There are two collar flanges, axially spaced-apart of two collar flanges along the adapter sleeve is set, institute the outside week of set in portion
The cooling jacket stated hermetically is set on the collar flange described in two, the inner side perisporium of the cooling jacket, the connection
Described cooling water cavity is formed between the outer perimeter wall of set and two collar flanges.
7. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：The installation
Set is wholely set with the adapter sleeve, or the installation set fixes company with the adapter sleeve split settings and by helicitic texture
Connect.
8. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：Described power
Output shaft is self-balancing tensile axis, and the mounting seat of the self-balancing tensile axis is fixedly connected with the installation set, the self-balancing
Connected to phase dynamic sealing between the output end of output shaft and the installation set.
9. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：The installation
Put and be additionally provided with cable outlet, cable sealed joint, the signal output cable of the force snesor are provided with the cable outlet
Connect with the cable sealed joint and protruding.
10. the force measuring device according to claim 1 being applied under high temperature and high pressure environment, it is characterised in that：Described
High-pressure bottle is autoclave, and the autoclave includes kettle and kettle cover, and the adapter sleeve is threadedly secured in the kettle cover
On, the pilot hole passed axially through for the tensile axis is offered on the kettle cover, the stretching shaft clearance is ordinatedly arranged in
In the pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071169.6A CN107589008B (en) | 2017-11-03 | 2017-11-03 | Force measuring device suitable for under high temperature high pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071169.6A CN107589008B (en) | 2017-11-03 | 2017-11-03 | Force measuring device suitable for under high temperature high pressure environment |
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| Publication Number | Publication Date |
|---|---|
| CN107589008A true CN107589008A (en) | 2018-01-16 |
| CN107589008B CN107589008B (en) | 2023-08-22 |
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ID=61045199
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711071169.6A Active CN107589008B (en) | 2017-11-03 | 2017-11-03 | Force measuring device suitable for under high temperature high pressure environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876368A (en) * | 2022-12-28 | 2023-03-31 | 中机试验装备股份有限公司 | Force sensor for high-temperature and high-pressure water environment and assembling method thereof |
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| CN206515178U (en) * | 2017-03-02 | 2017-09-22 | 济南益华摩擦学测试技术有限公司 | A kind of high-temperature vacuum friction wear testing machine |
| CN207379812U (en) * | 2017-11-03 | 2018-05-18 | 苏州热工研究院有限公司 | A kind of force measuring device suitable under high temperature and high pressure environment |
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| CN104359778A (en) * | 2014-10-23 | 2015-02-18 | 中国科学院金属研究所 | High temperature and high pressure in-situ fretting wear test device |
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| CN104914042A (en) * | 2015-07-07 | 2015-09-16 | 苏州热工研究院有限公司 | Fretting wear testing machine in high temperature and high pressure water or steam environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115876368A (en) * | 2022-12-28 | 2023-03-31 | 中机试验装备股份有限公司 | Force sensor for high-temperature and high-pressure water environment and assembling method thereof |
| CN115876368B (en) * | 2022-12-28 | 2024-05-31 | 中机试验装备股份有限公司 | Force transducer for high-temperature high-pressure water environment and assembly method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107589008B (en) | 2023-08-22 |
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