CN109282880A - A kind of dynamic weight detecting machine - Google Patents
A kind of dynamic weight detecting machine Download PDFInfo
- Publication number
- CN109282880A CN109282880A CN201811260132.2A CN201811260132A CN109282880A CN 109282880 A CN109282880 A CN 109282880A CN 201811260132 A CN201811260132 A CN 201811260132A CN 109282880 A CN109282880 A CN 109282880A
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- frame
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- connecting rod
- rack
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- 238000005303 weighing Methods 0.000 claims abstract description 70
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses a kind of dynamic weighing machines, including rack, controller, weighting platform, connector, weighing sensor and assembly, the top of the rack is equipped with weighting platform, the surface of the weighting platform is equipped with conveying mechanism, the conveying mechanism is for conveying products forward, the weighing sensor is fixed on one end in rack, the weighing inductor and controller are electrically connected, the assembly is arranged in rack, the assembly is connect with weighing sensor, one end of the connector is connect with weighting platform, the other end of the connector is connect with plate body, the connector is rotationally connect with rack.The configuration of the present invention is simple, it is easy to operate, solve the problems, such as that large-sized object needs accurately measure product weight using four weighing sensors in the prior art, reduces manufacturing cost.
Description
Technical field
The present invention relates to weighing technology fields, more particularly to a kind of dynamic weight detecting machine.
Background technique
Check-weighing machine, also known as check weighing claim, and are a kind of dynamic weighing devices of online high speed, can carry out high speed to product
Degree, high-precision weighing, it is integrated with various packaging production lines and transportation system, whether it is mainly used for on-line checking product weight
Qualification, packaging in whether lack component or and product weight is achieved, in pharmacy, daily use chemicals, food, chemical industry, battery, wheel
The industries such as tire, household electrical appliances can all be applied to check-weighing machine, want in the industry for especially having high request in the precision to product to check-weighing machine
Asking just is particularly important.The conveying that check-weighing machine in the prior art generally comprises weighting platform, is used for conveying products on weighting platform surface
Band and weighing sensor are weighed one by one in use, product continuously enters weighting platform, and weight with weighing sensor by connecting
The display device connect shows that staff is by the display of display device as a result, by qualified product and underproof production
Product distinguish, however when weighing to some large products, it needs to use bigger weighting platform, thus needs to increase sensor
Quantity, and need repeatedly to adjust the positional relationship between each sensor, the weight of product could be accurately measured, will cause
Manufacturing cost is higher, while the area of weighting platform will receive the limitation of weighing sensor, will appear check weighing in certain positions of weighting platform
The case where being not allowed or being difficult to check weighing.
Summary of the invention
In order to overcome the shortcomings of the prior art, that the present invention provides a kind of manufacturing costs is low, check weighing precisely and weighting platform
The unrestricted dynamic weight detecting machine of area.
The technical solution adopted by the present invention to solve the technical problems is: a kind of dynamic weighing machine, including rack, control
Device, weighting platform, pressure conversion frame, weighing sensor and assembly, the top of the rack are equipped with weighting platform, on the surface of the weighting platform
Equipped with conveying mechanism, the conveying mechanism is for conveying products, the weighing sensor to be fixed on one end in rack, institute forward
It states weighing inductor and controller is electrically connected, the assembly is arranged in rack, and the assembly and weighing sensor connect
It connects, one end of the pressure conversion frame is connect with weighting platform, and the other end of the pressure conversion frame is connect with assembly, the pressure
Switch rack is rotationally connect with rack.
Preferably, the pressure conversion frame includes the first connector and the second connector, first connector
Constitute Z-shaped by the first plate body and the integrated molding of the second plate body, the lower end of first plate body is connect with assembly, second plate
The upper end of body is connect with the lower part of the second connector, and the top of second connector is connect with weighting platform, first plate body and
The length of second plate body is consistent.
Preferably, the top of first plate body is equipped with pressure fulcrum axis hole, and the lower part of second plate body is set
There is a pulling force fulcrum axis hole, first plate body and the second plate body junction are equipped with central pivot point axis hole, the pressure fulcrum axis hole,
Center between pulling force fulcrum axis hole and central pivot point axis hole is away from identical.
It preferably, further include connecting rod, the connecting rod includes that first connecting rod, the second connecting rod and third connect
Extension bar, the first connecting rod are located at the surface of the second connecting rod, and the third connecting rod is located at first connecting rod and second
The top of connecting rod, the first connecting rod passes through central pivot point axis hole and the inner wall of rack connects, and second connecting rod is worn
Crossing pulling force fulcrum axis hole connect the first plate body with assembly, and the third connecting rod, which passes through pressure fulcrum axis hole, makes the second plate body
It is connect with the second connector.
Preferably, the conveying mechanism includes motor, active roller bearing and driven roller bearing, the active roller bearing and from
Dynamic roller bearing is separately positioned on the both ends of weighting platform, and conveyer belt is equipped between the active roller bearing and driven roller bearing, and the motor is fixed
On the lateral wall of rack and be located at the lower section of active roller bearing, the motor connect with one end of active roller bearing, the motor and
Controller is electrically connected.
Preferably, the surface of the weighting platform is equipped with several grooves, is equipped with drum shaft, the rolling in the groove
The axial evagination of cylinder is contacted with the surface of conveyer belt.
Preferably, the assembly includes the first frame and the second frame, and second frame is arranged first
In frame, connecting plate is equipped between first frame and the second frame, one end of the connecting plate is connect with the first frame, institute
The other end for stating connecting plate is connect with the second frame, and first frame is connect with weighing sensor.
Preferably, four angles of second frame are equipped with aluminum corner brace, and the aluminum corner brace is bolted on
On two frames.
Preferably, the lateral surface of the rack is equipped with liquid crystal display, the liquid crystal display and controller
It is electrically connected.
Preferably, the lower section of the rack is equipped with foot pad.
Compared with prior art, the beneficial effects of the present invention are: product to be weighed can be to title due to the weight of its own
One downward gravity of platform, weighting platform make the connector connecting with weighting platform swing generation one and gravity backward under the effect of gravity
Identical pulling force pulls assembly, and assembly is connect with weighing sensor, so that weighing sensor detects the pulling force of generation
Numerical value, numerical value is transported on controller by weighing sensor again, and numerical value is shown on liquid crystal display by controller, thus complete
The weighing of pairs of product, structure is simple, easy to operate, dexterously conducive to lever principle product is placed into any on weighting platform
Corner can accurately measure, while only need to be capable of using a weighing sensor weight of accurately measure product
Amount solves large-sized object in the prior art and needs accurately measure asking for product weight using four weighing sensors
Topic, reduce manufacturing cost, can also according to the size of product select weighting platform and assembly size so that weighting platform area not by
To limitation.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic diagram of dynamic weighing machine of the present invention.
Fig. 2 is the schematic diagram that dynamic weighing machine of the present invention removes conveyer belt.
Fig. 3 is the schematic diagram of internal structure of dynamic weighing machine of the present invention.
Fig. 4 is the connection signal of the first frame and the second frame in dynamic weighing machine of the present invention.
Fig. 5 is the structural schematic diagram of the first connector in dynamic weighing machine of the present invention.
1- rack；2- conveyer belt；3- liquid crystal display；4- foot pad；5- active roller bearing；6- weighting platform；7- drum shaft；8- is recessed
Slot；The driven roller bearing of 9-；10- belt；The small synchronizing wheel of 11-；The big synchronizing wheel of 12-；13- motor；The second frame of 14-；The first frame of 15-
Frame；151- supporting plate；152- strip plate；The first connector of 16-；The first plate body of 161-；The second plate body of 162-；163- pressure fulcrum shaft
Hole；164- central pivot point axis hole；165- pulling force fulcrum axis hole；The second connector of 17-；18- weighing sensor；The connection of 19- first
Bar；The second connecting rod of 20-；21- third connecting rod；22- aluminum corner brace；23- flake connector；24- connecting plate.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
In the present invention, term " first ", " second ", " third " are used for description purposes only, and should not be understood as instruction or
Imply relative importance；Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " should do broad sense
Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Please refer to Fig. 1-5, a kind of dynamic weighing machine, including rack 1, controller, connector, weighing sensor 18 and assembly
Body is equipped with weighting platform 6 in the top of rack 1, and 6 surfaces is claimed to be equipped with conveying mechanism, and conveying mechanism is used for conveying products forward,
Weighing sensor 18 is fixed on one end inside rack 1, and weighing sensor 18 and controller are electrically connected, one end of connector with
Weighting platform 6 connects, and the other end of connector is connect by flake connector 23 with assembly, and connector is movably connect with rack 1,
It is equipped with foot pad 4 on four corners of 1 lower end of rack, liquid crystal display 3, liquid crystal display 3 are equipped on the lateral surface of rack 1
It is electrically connected with controller.
Weighing sensor 18 uses one in this example, product to be weighed is placed on conveying mechanism, product exists
It is conveyed forward under the action of conveying mechanism, the product weighed on the conveyor belt at this time can give weighting platform one due to the weight of its own
Downward gravity, it is identical as gravity that the connector that weighting platform 6 makes under the effect of gravity and weighting platform 6 connects swings generation one backward
Pulling force pull assembly, and assembly is connect with weighing sensor 18, so that weighing sensor 18 detects the pulling force of generation
Numerical value, numerical value is transported on controller by weighing sensor 18 again, and numerical value is shown on liquid crystal display 3 by controller, from
And the weighing to product is completed, and structure is simple, and it is easy to operate, dexterously it is conducive to lever principle and product is placed on weighting platform
Any corner can accurately measure, while only needing to accurately measure using a weighing sensor 18 and produce
The weight of product solves large-sized object in the prior art and needs accurately measure product using four weighing sensors 18
The problem of weight, reduces manufacturing cost, and the size of weighting platform 6 and assembly can also be selected according to the size of product, so that claiming
6 area of platform is not limited.
Specifically, connector includes the first connector 16 and the second connector 17, and the first connector 16 is by the first plate body 161
Constituted with the second plate body 162, the first plate body 161 and the second plate body 162 be integrally formed constitute it is Z-shaped, the lower end of the first plate body 161 with
Assembly connection, the upper end of the second plate body 162 are connect with the lower part of the second connector 17, and groove is equipped on the inner wall of weighting platform 6
8, the top of the second connector 17 extend into groove 8 and is connect by bolt with weighting platform 6, the length and second of the first plate body 161
The length of plate body 162 is consistent.
Test product is since the weight of its own can give one downward gravity of weighting platform, due to weighting platform 6 and the second connector
17 top connection, the lower part of the second connector 17 is connect with the first connector 16, so that the second plate body 162 is by downward gravity
Effect causes the first plate body 161 to swing backward and generates a pulling force, and the length one of the first plate body 161 and the second plate body 162
It causes, show that pulling force is equal with gravity according to lever principle, assembly is swung backward under the action of pulling force, so that weighing sensor
18 detect the pulling force of generation, and then measure the weight of product, and structure is simple, and manufacturing cost is low, can be accurately to product
It measures；Second connector 17 extend into groove 8 connect with weighting platform 6 be in order to which product is in the generation active force of symmetry bench 6,
It can stablize and accurately be applied on the first connector 16.
Specifically, it is equipped with pressure fulcrum axis hole 163 on the top of the first plate body 161, is equipped in the lower part of the second plate body 162
Pulling force fulcrum axis hole 165 is equipped with central pivot point axis hole 164, pressure fulcrum in the first plate body 161 and 162 junction of the second plate body
Center between axis hole 163, pulling force fulcrum axis hole 165 and central pivot point axis hole 164 is away from identical.
It specifically, further include connecting rod, connecting rod includes first connecting rod 19, the second connecting rod 20 and third connecting rod
21, first connecting rod 19 is located at the surface of the second connecting rod 20, and third connecting rod 21 is located at first connecting rod 19 and second and connects
The top of extension bar 20, first connecting rod 19 pass through central pivot point axis hole 164 and connect with the connecting flange being fixed in rack 1, the
Two connecting rods 20, which pass through pulling force fulcrum axis hole, connect the first plate body 161 with assembly, and third connecting rod passes through pressure fulcrum shaft
Hole connect the first plate body with the second connector.
Pressure fulcrum axis hole, central pivot point axis hole and the V-shaped distribution of pulling force fulcrum axis hole, pass through first connecting rod, second
Connecting rod is each passed through pressure fulcrum axis hole, central pivot point axis hole with third connecting rod and connects with pulling force fulcrum axis hole, so that inspection
When weight product is on weighting platform downward gravity to the first plate body, the second plate body is by a pulling force backward, due to pressure
The center of fulcrum axis hole, central pivot point axis hole and pulling force fulcrum between them away from identical, therefore the pressure that is subject to of the first plate body with
The pulling force that second plate body is subject to is identical, it is ensured that the accuracy of weighing.
Specifically, conveying mechanism includes motor 13, active roller bearing 5 and driven roller bearing 9, and active roller bearing 5 and driven roller bearing 9 divide
The both ends of weighting platform 6 are not set, conveyer belt 2 is equipped between active roller bearing 5 and driven roller bearing 9, motor 13 is fixed on the outer of rack 1
Lower section on side wall and positioned at active roller bearing 5, one end of active roller bearing 5 are connected with big synchronizing wheel 12, and the output end of motor 13 connects
It is connected to small synchronizing wheel 11, big synchronizing wheel 12 is connect with small synchronizing wheel 11 by belt 10, and motor 13 and controller are electrically connected.
Specifically, it is equipped with several grooves 8 on the surface of weighting platform 6, is equipped with drum shaft 7, drum shaft in each groove 8
7 diameter is greater than the depth of groove 8, so that drum shaft 7 is contacted from the protrusion up and down of groove 8 with the surface of conveyer belt 2.
In the rotation of 13 driving conveying belt 2 of motor, the drum shaft 7 on 6 surface of weighting platform is contacted with conveyer belt 2, so that rolling
Cylinder axis 7 is rotated with conveyer belt 2, is made conveyer belt 2 more steady when operating, is made the measurement of product more accurate, no
It will receive the influence of additional power.
Specifically, assembly includes the first frame 15 and the second frame 14, and the second frame 14 is arranged in the first frame 15,
Connecting plate 24 is equipped between first frame 15 and the second frame 14, one end of connecting plate 24 is connect with the first frame 15, connecting plate
24 other end is connect with the second frame 14, and the first frame 15 is made of strip plate 152 and symmetrically arranged supporting plate 151, strip
The both ends of plate 152 are fixedly connected with the end of two pieces of supporting plates 151, and through-hole, the second connection are equipped on the both ends of two pieces of supporting plates 151
Bar 20 pass through through-hole connect with the lower part of the first plate body 161 so that the first frame 15 can before and after swung, strip plate 152
Middle part is connect by flake connector 23 with weighing sensor 18.
When test product since the gravity of its own generates on a downward gravity to weighting platform 6, so that with weighting platform 6
The connector generation one of connection is swung backward and pulling force identical with gravity, and the first frame 15 can be backward under the action of pulling force
It swinging, the weighing sensor 18 connecting at this time with the first frame 15 detects the numerical value of pulling force, and then obtains the weight of product,
It is the intensity in order to reinforce the first frame 15 that the second frame 14 is connected in first frame 15, prevents product weight larger, causes
The damage of first frame 15.
Specifically, it is equipped with aluminum corner brace 22 in four corners of the second frame 14, aluminum corner brace 22 is bolted on the second frame
On frame 14, aluminum corner brace 22 can effectively reinforce the intensity of the second frame 14.It is adjustable by being arranged in four corners of the second frame
Aluminum corner brace, it is ensured that the four side moment of the second frame keeps horizontal, and avoiding the second frame, there are tilt phenomenons, causes weighing data inaccurate
Really.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of dynamic weighing machine, it is characterised in that: including rack, controller, weighting platform, pressure conversion frame, weighing sensor and
Assembly, the top of the rack are equipped with weighting platform, and the surface of the weighting platform is equipped with conveying mechanism, and the conveying mechanism is for past
Preceding conveying products, the weighing sensor are fixed on one end in rack, and the weighing inductor and controller are electrically connected, institute
It states assembly to be arranged in rack, the assembly is connect with weighing sensor, and one end of the pressure conversion frame and weighting platform connect
It connects, the other end of the pressure conversion frame is connect with assembly, and the pressure conversion frame is rotationally connect with rack.
2. dynamic weighing machine according to claim 1, it is characterised in that: the pressure conversion frame include the first connector and
Second connector, first connector by the first plate body and the second plate body integrated molding constitute it is Z-shaped, under first plate body
End is connect with assembly, and the upper end of second plate body is connect with the lower part of the second connector, the top of second connector
It is connect with weighting platform, the length of first plate body and the second plate body is consistent.
3. dynamic weighing machine according to claim 2, it is characterised in that: the top of first plate body is equipped with pressure fulcrum
Axis hole, the lower part of second plate body are equipped with pulling force fulcrum axis hole, and first plate body and the second plate body junction are equipped with center
Fulcrum axis hole, the center between the pressure fulcrum axis hole, pulling force fulcrum axis hole and central pivot point axis hole is away from identical.
4. dynamic weighing machine according to claim 3, it is characterised in that: further include connecting rod, the connecting rod includes the
One connecting rod, the second connecting rod and third connecting rod, the first connecting rod are located at the surface of the second connecting rod, the third
Connecting rod is located at the top of first connecting rod and the second connecting rod, and the first connecting rod passes through central pivot point axis hole and rack
Inner wall connection, second connecting rod, which passes through pulling force fulcrum axis hole, connect the first plate body with assembly, the third connecting rod
The second plate body is connect with the second connector across pressure fulcrum axis hole.
5. dynamic weighing machine according to claim 1, it is characterised in that: the conveying mechanism includes motor, active roller bearing
With driven roller bearing, the active roller bearing and driven roller bearing are separately positioned on the both ends of weighting platform, the active roller bearing and driven roller bearing
Between be equipped with conveyer belt, the motor is fixed on the lateral wall of rack and is located at the lower section of active roller bearing, the motor and master
One end connection of dynamic roller bearing, the motor and controller are electrically connected.
6. dynamic weighing machine according to claim 1, it is characterised in that: the surface of the weighting platform is equipped with several grooves,
Drum shaft is equipped in the groove, the drum shaft convex is contacted with the surface of conveyer belt.
7. dynamic weighing machine according to claim 1, it is characterised in that: the assembly includes the first frame and the second frame
Frame, second frame are arranged in the first frame, and connecting plate, the connection are equipped between first frame and the second frame
One end of plate is connect with the first frame, and the other end of the connecting plate is connect with the second frame, and first frame and weighing pass
Sensor connection.
8. dynamic weighing machine according to claim 7, it is characterised in that: four angles of second frame are equipped with angle
Aluminium, the aluminum corner brace are bolted on the second frame.
9. dynamic weighing machine according to claim 1, it is characterised in that: the lateral surface of the rack is equipped with liquid crystal display
Screen, the liquid crystal display and controller are electrically connected.
10. dynamic weighing machine according to claim 1, it is characterised in that: the lower section of the rack is equipped with foot pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260132.2A CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811260132.2A CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109282880A true CN109282880A (en) | 2019-01-29 |
| CN109282880B CN109282880B (en) | 2024-04-19 |
Family
ID=65177988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811260132.2A Active CN109282880B (en) | 2018-10-26 | 2018-10-26 | Dynamic weight checking machine |
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| Country | Link |
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| CN (1) | CN109282880B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341380A (en) * | 2005-02-21 | 2009-01-07 | 梅特勒-托利多·加文斯有限责任公司 | Method and device for weighing products |
| CN103017872A (en) * | 2012-12-04 | 2013-04-03 | 重庆市渝溪产业（集团）有限公司 | Dynamic metering device |
| CN202956176U (en) * | 2012-12-14 | 2013-05-29 | 广东海川智能机器股份有限公司 | Loss-in-weight and weighing device for same |
| CN203929205U (en) * | 2014-07-07 | 2014-11-05 | 严实 | A kind of lever weighing structure |
| CN206804122U (en) * | 2017-05-19 | 2017-12-26 | 上海伊斯曼电气股份有限公司 | A kind of weigher weighed for dynamic high speed |
| CN209459744U (en) * | 2018-10-26 | 2019-10-01 | 广州鑫中航机电设备有限公司 | A kind of dynamic weight detecting machine |
-
2018
- 2018-10-26 CN CN201811260132.2A patent/CN109282880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341380A (en) * | 2005-02-21 | 2009-01-07 | 梅特勒-托利多·加文斯有限责任公司 | Method and device for weighing products |
| CN103017872A (en) * | 2012-12-04 | 2013-04-03 | 重庆市渝溪产业（集团）有限公司 | Dynamic metering device |
| CN202956176U (en) * | 2012-12-14 | 2013-05-29 | 广东海川智能机器股份有限公司 | Loss-in-weight and weighing device for same |
| CN203929205U (en) * | 2014-07-07 | 2014-11-05 | 严实 | A kind of lever weighing structure |
| CN206804122U (en) * | 2017-05-19 | 2017-12-26 | 上海伊斯曼电气股份有限公司 | A kind of weigher weighed for dynamic high speed |
| CN209459744U (en) * | 2018-10-26 | 2019-10-01 | 广州鑫中航机电设备有限公司 | A kind of dynamic weight detecting machine |
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| Publication number | Publication date |
|---|---|
| CN109282880B (en) | 2024-04-19 |
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