CN106843433B - Notebook computer speed governing dust removal radiator - Google Patents
Notebook computer speed governing dust removal radiator Download PDFInfo
- Publication number
- CN106843433B CN106843433B CN201710250588.XA CN201710250588A CN106843433B CN 106843433 B CN106843433 B CN 106843433B CN 201710250588 A CN201710250588 A CN 201710250588A CN 106843433 B CN106843433 B CN 106843433B
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- notebook computer
- frame body
- mesh plate
- dust
- bottom plate
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- 239000000428 dust Substances 0.000 title claims abstract description 54
- 230000005686 electrostatic field Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 description 8
- 239000012717 electrostatic precipitator Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an intelligent speed-regulating dust-removing radiator for a notebook computer, which comprises: the electrostatic dust collection device comprises a bottom plate, an electrostatic dust collection device, a first mesh plate, a fan assembly and a second mesh plate, wherein the bottom plate is of a frame structure with a hollow middle part; the electrostatic dust removal device is arranged on the bottom plate in a sliding manner, and the air entering the notebook computer from the bottom plate is cleaned by generating a high-voltage electrostatic field to adsorb particulate matters in the air; the outer edge of the first mesh plate is fixedly clamped with the outer edge of the bottom plate; the fan assembly is arranged on the upper side of the first mesh plate and comprises a single chip microcomputer, a motor and a fan which are connected in sequence, and the single chip microcomputer drives the fan to rotate through the motor; the outer edge of the second mesh plate is clamped with the outer edge of the first mesh plate and used for placing a notebook computer, a temperature sensor connected with the single chip microcomputer is installed on the side edge of the second mesh plate and used for detecting the temperature of the notebook computer, and the single chip microcomputer controls the rotating speed of the fan according to a notebook temperature signal detected by the temperature sensor. Compared with the prior art, the invention has the advantages of good heat dissipation effect and the like.
Description
Technical Field
The invention relates to computer accessories, in particular to a speed-regulating dust-removing radiator for a notebook computer.
Background
Dust accumulation in the notebook computer can cause potential faults to increase and reduce the normal service life. Computer heating easily causes component aging, computer crash, and working performance reduction, and can not guarantee the operation of some high load work, if important data is lost because of failure, it is disastrous. At present, two main ways are available for improving the heat dissipation performance of the notebook computer: firstly, manual disassembly and assembly for ash removal are very inconvenient, and some operations may cause damage to computer components; secondly, the radiator is placed at the bottom of the notebook computer to dissipate heat in the using process, but the radiator commonly used at present does not have the functions of dust removal and fan speed regulation, on one hand, a large amount of dust can be accumulated on the fan after the radiator is used for a long time, and meanwhile, the bottom of the notebook computer can also have dust, on the other hand, corresponding wind speed cannot be provided according to the air outlet temperature of the notebook computer, and the heat dissipation effect is poor.
Disclosure of Invention
The invention aims at the problems in the prior art and provides a speed-regulating dust-removing radiator for a notebook computer, which can ensure that the notebook computer does not need to remove dust for a long time and has good heat-removing effect.
In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a notebook computer speed governing dust removal radiator, during the use, the notebook computer is placed on this radiator, and this radiator includes:
the bottom plate is of a frame structure with a hollow middle part;
the electrostatic dust removal device is arranged on the bottom plate in a sliding mode, and the air entering the notebook computer from the bottom plate is clean by generating a high-voltage electrostatic field to adsorb particulate matters in the air;
the outer edge of the first mesh plate is fixedly clamped with the inner edge of the bottom plate;
the fan assembly is arranged on the upper side of the first mesh plate and comprises a single chip microcomputer, a motor and a fan which are sequentially connected, and the single chip microcomputer drives the fan to rotate through the motor;
the outer edge of the second mesh plate is clamped with the outer edge of the first mesh plate and used for placing a notebook computer, a temperature sensor connected with the single chip microcomputer is mounted on the side edge of the second mesh plate and used for detecting the temperature of the notebook computer, and the single chip microcomputer controls the rotating speed of the fan according to a notebook temperature signal detected by the temperature sensor.
The electrostatic dust collector comprises a step-up transformer, a plurality of anode plates and a plurality of discharge cathode pins, wherein the anode plates and the discharge cathode pins are connected with the step-up transformer, the anode plates are arranged in parallel at equal intervals and fixed in a frame to form a plate-shaped structure, and one discharge cathode pin is arranged between every two adjacent anode plates.
The frame is enclosed by first framework, second framework, third framework and fourth framework and closes to form, first framework and second framework set up relatively, third framework and fourth framework set up relatively, and the front and back end of every anode plate is connected respectively on first framework and second framework, seted up the mounting hole that is used for installing the discharge cathode needle on first framework and the second framework.
And insulators are arranged between each discharge cathode needle and the adjacent anode plate, and the insulators are positioned on the first frame body and the second frame body and used for preventing the anode plates from contacting the discharge cathode needles.
The bottom of the third frame body and the bottom of the fourth frame body are respectively provided with a groove, the bottom plate is provided with a bulge matched with the groove, and when the electrostatic dust collection device is pushed in, the bulge is embedded into the groove, so that the electrostatic dust collection device is fixed. Through the sliding mode, the assembly and the disassembly are convenient, and the dust adsorbed on the electrostatic dust collector can be cleaned conveniently.
First metal sheets electrically connected with all anode plates are arranged on the first frame body along the length direction of the first frame body, correspondingly, second metal sheets electrically connected with the step-up transformer are arranged on the lower side of the first mesh plate, and when the electrostatic dust removal device is pushed in, the first metal sheets are in contact conduction with the second metal sheets.
The first mesh plate is divided into a first area and a second area along the length direction of the first mesh plate, and the single chip microcomputer and the motor are arranged in the first area. The step-up transformer is disposed in the first region. Divide into two regions with first mesh board, partly be used for placing electrical equipment such as singlechip, motor and step-up transformer, the fan is placed to another part, gives notebook computer air feed as the air-out region, because electrical equipment such as singlechip, step-up transformer can produce the heat in the use, such subregion sets up the heat that makes electrical equipment produce can not influence fan air-out temperature.
The four fans are distributed in the second area in a rectangular array mode, and therefore the bottom of the notebook computer can be uniformly ventilated.
The inner edge of the first mesh plate is provided with a mounting groove for placing the temperature sensor, when the notebook computer is placed on the radiator, the temperature sensor is over against the heat dissipation port of the notebook computer, and the temperature sensor can accurately detect the air outlet temperature of the notebook computer.
And a rubber gasket for preventing the notebook computer from sliding out is attached to the outer edge of the second mesh plate.
The bottom plate is packaged by a pre-filtering net and is used for preliminarily filtering large particles in air.
Four angles of bottom plate bottom respectively are equipped with one and are used for skid-proof rubber gasket, because in the use, because the rotatory vibrations that bring of fan can lead to the radiator to shift easily, and the setting of rubber gasket has improved the stability of radiator.
When the dust-free air cooler is used, a notebook computer is firstly in full contact with the rubber gasket, the power supply is switched on, the fan rotates to suck air into the radiator, when dust-containing air passes through the pre-filtering screen, a small part of large particles are filtered, then the dust-containing air passes through the electrostatic dust removal device, the electrostatic dust removal device generates a high-voltage electrostatic field, the discharge cathode needle discharges to generate negative ions, and dust particles in the dust-containing air are combined with the negative ions to be charged and then tend to the surface of the anode plate to be deposited. The cleaned air is sucked into the notebook computer after passing through the upper layer of the radiator and the second mesh plate. In the process, the air entering the notebook computer is always clean, so that the notebook computer can be always in a dust-free state during working. Simultaneously, during the use, temperature sensor real-time detection notebook computer air outlet's temperature, the singlechip is according to the rotational speed of temperature signal regulation fan, when the air-out temperature is low, reduces power consumption, does not influence the radiating effect again simultaneously, when the air-out temperature is high, increases fan rotational speed for the heat dissipation.
After long-term use, the electrostatic dust removal device is pulled out to clean the accumulated dust.
Compared with the prior art, the invention not only can adjust the speed of the fan in real time according to the temperature change of the notebook computer and optimize the heat dissipation effect, but also can effectively filter dust in air through the electrostatic dust removal device, so that the air entering the notebook computer is clean and clean, and further the notebook computer is always in a dust-free state when working, thereby greatly improving the working performance of the notebook computer and prolonging the service life of the notebook computer.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention without a second mesh plate;
FIG. 3 is a schematic structural view of an electrostatic precipitator;
FIG. 4 is an enlarged partial schematic view of an electrostatic precipitator;
FIG. 5 is a schematic view of the structure of the base plate;
in the figure, 1, a rubber gasket, 2, a temperature sensor, 3, an electrostatic dust removal device, 4, a second mesh plate, 5, a circuit board, 6, a step-up transformer, 7, a fan, 8, a first mesh plate, 10, an anode plate, 11, a discharge cathode needle, 12, a first metal sheet, 13, a pre-filtering screen, 14 and a rubber gasket.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1-2, a speed-regulating dust-removing radiator for a notebook computer, when in use, the notebook computer is placed on the radiator, the radiator comprises a bottom plate, an electrostatic dust-removing device 3, a first mesh plate 8, a fan 7 assembly and a second mesh plate 4, the bottom plate is a frame structure with a hollow or hollow middle part, the electrostatic dust-removing device 3 is slidably arranged on the bottom plate, and the air entering the notebook computer from the bottom plate is clean by generating a high-voltage electrostatic field to adsorb particulate matters in the air; the outer edge of the first mesh plate 8 is fixedly clamped with the inner edge of the bottom plate; the fan 7 assembly is arranged on the upper side of the first mesh plate 8 and comprises a single chip microcomputer, a motor and a fan 7 which are connected in sequence, and the single chip microcomputer drives the fan 7 to rotate through the motor; the outer edge of the second mesh plate 4 is clamped with the outer edge of the first mesh plate 8 and used for placing a notebook computer, the temperature sensor 2 connected with the single chip microcomputer is installed on the side edge of the second mesh plate 4 and used for detecting the temperature of the notebook computer, and the single chip microcomputer controls the rotating speed of the fan 7 according to a notebook temperature signal detected by the temperature sensor 2.
Further, the electrostatic dust collector 3 includes a step-up transformer 6, and a plurality of anode plates 10 and discharge cathode pins 11 both connected to the step-up transformer 6, as shown in fig. 3, the plurality of anode plates 10 are arranged in parallel at equal intervals and fixed in a frame to form a plate-like structure, and a discharge cathode pin 11 is disposed between adjacent anode plates 10.
Specifically, the frame is enclosed by a first frame body, a second frame body, a third frame body and a fourth frame body, the first frame body and the second frame body are arranged oppositely, the third frame body and the fourth frame body are arranged oppositely, the front end and the rear end of each anode plate 10 are connected to the first frame body and the second frame body respectively, and mounting holes for mounting the discharge cathode pins 11 are formed in the first frame body and the second frame body.
In an embodiment of the present invention, an insulator is disposed between each discharge cathode needle 11 and its adjacent anode plate 10, and the insulators are disposed on the first frame and the second frame for preventing the anode plate 10 from contacting the discharge cathode needle 11.
In an embodiment of the present invention, the bottom of the third frame and the bottom of the fourth frame are respectively provided with a groove, and the bottom plate is provided with a protrusion adapted to the groove, so that when the electrostatic dust collector 3 is pushed in, the protrusion is embedded into the groove, so as to fix the electrostatic dust collector 3. Through the slip mode, the equipment, dismantle convenient, be convenient for maintain detect and clear up the adsorbed dust on the electrostatic precipitator. Of course, the invention is not limited thereto, and the sliding arrangement mode can adopt
In an embodiment of the present invention, as shown in fig. 4, a first metal sheet 12 electrically connected to all the anode plates 10 is disposed on the first frame along the length direction thereof, and correspondingly, a second metal sheet electrically connected to the step-up transformer 6 is disposed on the lower side of the first mesh plate 8, and when the electrostatic dust collector 3 is pushed in, the first metal sheet 12 and the second metal sheet are in contact conduction.
In one embodiment of the present invention, as shown in fig. 2, the first mesh plate 8 is divided into a first area and a second area along the length direction thereof, and the single chip microcomputer and the motor are disposed in the first area. The step-up transformer 6 is disposed in the first region. Certainly, the first area is also provided with a plurality of driving circuit boards 5 and the like, the first mesh plate 8 is divided into two areas, one area is used for placing electric equipment such as a single chip microcomputer, a motor and a step-up transformer 6, the other area is provided with a fan 7 and used as an air outlet area for supplying air to the notebook computer, and the electric equipment such as the single chip microcomputer and the step-up transformer 6 can generate heat in the using process, so that the partition arrangement is attractive and tidy, the heat generated by the electric equipment cannot influence the air outlet temperature of the fan 7, and the heat dissipation effect cannot be influenced.
In an embodiment of the present invention, as shown in fig. 2, four fans 7 are provided, and the four fans 7 are distributed in the second area in a rectangular array, so as to ensure that all positions of the bottom of the notebook computer are uniformly exposed to wind. Certainly, the invention is not limited to this, and the number of the fans 7 and the distribution positions of the fans 7 can be reasonably set according to the size of the radiator, so as to ensure that the bottom of the notebook computer is uniformly ventilated.
In an embodiment of the present invention, as shown in fig. 1, an installation groove for placing the temperature sensor 2 is formed on an inner edge of the first mesh plate 8, and when the notebook computer is placed on the heat sink, the temperature sensor 2 directly faces the heat sink of the notebook computer, so as to ensure that the temperature sensor 2 can accurately detect the air outlet temperature of the notebook computer.
In an embodiment of the present invention, as shown in fig. 1, a rubber gasket 1 for preventing the notebook computer from slipping out is attached to an outer edge of the second mesh plate 4.
In one embodiment of the present invention, as shown in fig. 5, the bottom plate is enclosed by a pre-filter 13 for primarily filtering large particles in the air.
In an embodiment of the present invention, as shown in fig. 5, the four corners of the bottom plate are respectively provided with one anti-slip rubber gasket 14, so that the heat sink is easily displaced due to vibration caused by rotation of the fan 7 during use, and the stability of the heat sink is improved due to the arrangement of the rubber gaskets 14.
When the dust-free air cooler is used, firstly, a notebook computer is in full contact with the rubber gasket 1, a power supply is switched on, the fan 7 rotates to suck air into the radiator, when dust-containing air passes through the pre-filtering net 13, a small part of large particles are filtered, then, the dust-containing air passes through the electrostatic dust removal device 3, the electrostatic dust removal device 3 generates a high-voltage electrostatic field, the discharge cathode needle 11 discharges to generate negative ions, and after dust particles in the dust-containing air are combined with the negative ions and are charged negatively, the dust particles tend to the surface of the anode plate 10 to be deposited. The cleaned air is sucked into the notebook computer after passing through the upper layer of the radiator and the second mesh plate 4. In the process, the air entering the notebook computer is always clean, so that the notebook computer can be always in a dust-free state during working. Simultaneously, during the use, temperature sensor 2 real-time detection notebook computer air outlet's temperature, the singlechip is according to temperature signal adjustment fan 7's rotational speed, when the air-out temperature is low, reduces power consumption, does not influence the radiating effect again simultaneously, when the air-out temperature is high, increases fan 7 rotational speed for the heat dissipation.
After a long time of use, the electrostatic precipitator 3 is pulled out to clean the accumulated dust.
In conclusion, the invention is convenient to disassemble, maintain, detect and clean the dust accumulated in the radiator through the layer-by-layer clamping design of the bottom plate, the first mesh plate 8 and the second mesh plate 4, on the aspect of heat dissipation effect, the rotating speed of the fan 7 is adjusted in real time according to the change of the outlet air temperature of the notebook computer, the heat dissipation effect is optimized, the electric energy is saved, on the aspect of dust removal, large particles are primarily filtered through the pre-filtering net 13, then a large amount of dust in the air is effectively filtered through the adsorption action of the electrostatic dust removal device 3, and is further filtered through the first mesh plate 8 and the second mesh plate 4, so that the air entering the notebook computer is clean and clean, therefore, the notebook computer is always in a dust-free state when working, the working performance of the notebook computer is greatly improved, and the service life of the notebook computer is prolonged.
The dust removal and heat dissipation device has an obvious dust removal and heat dissipation effect, the notebook computer can be dedusted without disassembling the machine for a long time, and all parts can always run in a proper temperature environment, so that the service life of the notebook computer is prolonged.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a notebook computer speed governing dust removal radiator, during the use, the notebook computer is placed on this radiator, its characterized in that, this radiator includes:
the bottom plate is of a frame structure with a hollow middle part;
the electrostatic dust removal device is arranged on the bottom plate in a sliding mode, and the air entering the notebook computer from the bottom plate is clean by generating a high-voltage electrostatic field to adsorb particulate matters in the air;
the outer edge of the first mesh plate is fixedly clamped with the inner edge of the bottom plate;
the fan assembly is arranged on the upper side of the first mesh plate and comprises a single chip microcomputer, a motor and a fan which are sequentially connected, and the single chip microcomputer drives the fan to rotate through the motor;
the outer edge of the second mesh plate is clamped with the outer edge of the first mesh plate and used for placing a notebook computer, a temperature sensor connected with the single chip microcomputer is mounted on the side edge of the second mesh plate and used for detecting the temperature of the notebook computer, and the single chip microcomputer controls the rotating speed of the fan according to a notebook temperature signal detected by the temperature sensor;
the electrostatic dust removal device comprises a step-up transformer, a plurality of anode plates and a plurality of discharge cathode pins, wherein the anode plates and the discharge cathode pins are connected with the step-up transformer;
the frame is formed by enclosing a first frame body, a second frame body, a third frame body and a fourth frame body, wherein the first frame body and the second frame body are arranged oppositely, and the third frame body and the fourth frame body are arranged oppositely; the front end and the rear end of each anode plate are respectively connected to a first frame body and a second frame body, and mounting holes for mounting discharge cathode needles are formed in the first frame body and the second frame body;
the bottom of the third frame body and the bottom of the fourth frame body are respectively provided with a groove, the bottom plate is provided with a bulge matched with the groove, and when the electrostatic dust collection device is pushed in, the bulge is embedded into the groove, so that the electrostatic dust collection device is fixed.
2. The speed-regulating dust-removing heat radiator for the notebook computer as claimed in claim 1, wherein an insulator is arranged between each discharge cathode pin and the adjacent anode plate, and the insulators are positioned on the first frame body and the second frame body.
3. The speed-regulating dust-removing heat sink for the notebook computer as claimed in claim 1, wherein the first frame body is provided with a first metal sheet along the length direction thereof, the first metal sheet is electrically connected to all the anode plates, and correspondingly, the lower side of the first mesh plate is provided with a second metal sheet electrically connected to the step-up transformer, and when the electrostatic dust-removing device is pushed in, the first metal sheet and the second metal sheet are in contact conduction.
4. The speed-regulating dust-removing radiator for the notebook computer as claimed in claim 1, wherein the first mesh plate is divided into a first area and a second area along the length direction of the first mesh plate, and the singlechip and the motor are arranged in the first area.
5. The speed-regulating dust-removing heat radiator for the notebook computer as claimed in claim 4, wherein there are four fans, and the four fans are distributed in the second area in a rectangular array.
6. The notebook computer speed regulation dust removal radiator of claim 4, wherein the step-up transformer is disposed in the first region.
7. The speed-regulating dust-removing heat radiator for the notebook computer as claimed in claim 1, wherein the inner edge of the first mesh plate is provided with a mounting groove for placing the temperature sensor, and when the notebook computer is placed on the heat radiator, the temperature sensor is over against the heat radiating port of the notebook computer.
8. The speed-regulating dust-removing heat radiator for the notebook computer as claimed in claim 1, wherein a rubber gasket for preventing the notebook computer from slipping out is attached to the outer edge of the second mesh plate.
9. The speed-regulating dust-removing heat radiator for the notebook computer as claimed in claim 1, wherein the bottom plate is packaged by a pre-filtering screen.
10. The notebook computer speed-regulating dust-removing heat radiator as claimed in claim 1, wherein four corners of the bottom plate are respectively provided with an anti-slip rubber gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250588.XA CN106843433B (en) | 2017-04-17 | 2017-04-17 | Notebook computer speed governing dust removal radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250588.XA CN106843433B (en) | 2017-04-17 | 2017-04-17 | Notebook computer speed governing dust removal radiator |
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| Publication Number | Publication Date |
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| CN106843433A CN106843433A (en) | 2017-06-13 |
| CN106843433B true CN106843433B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710250588.XA Expired - Fee Related CN106843433B (en) | 2017-04-17 | 2017-04-17 | Notebook computer speed governing dust removal radiator |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748608A (en) * | 2017-10-31 | 2018-03-02 | 温州华大信息技术有限公司 | A kind of sensor radiator |
| CN111367361B (en) * | 2020-02-29 | 2023-04-21 | 重庆顺贞科技有限公司 | Notebook computer casing rotating shaft |
| CN111885895B (en) * | 2020-08-07 | 2021-10-08 | 珠海格力电器股份有限公司 | Radiator, radiating method, demonstrator and radiating system |
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| JPH10333782A (en) * | 1997-06-02 | 1998-12-18 | Sony Corp | Heat radiating device for electronic equipment |
| CN201270641Y (en) * | 2008-09-22 | 2009-07-08 | 吕万疆 | Dust proof electrostatic removing ventilation apparatus |
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| CN106843433A (en) | 2017-06-13 |
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