CN113438784B - New energy automobile is shield assembly for static protection - Google Patents
New energy automobile is shield assembly for static protection Download PDFInfo
- Publication number
- CN113438784B CN113438784B CN202110759675.4A CN202110759675A CN113438784B CN 113438784 B CN113438784 B CN 113438784B CN 202110759675 A CN202110759675 A CN 202110759675A CN 113438784 B CN113438784 B CN 113438784B
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- Prior art keywords
- shell
- new energy
- energy automobile
- metal
- shielding device
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- 230000003068 static effect Effects 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 63
- 230000005611 electricity Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 28
- 239000000835 fiber Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 abstract description 29
- 230000008030 elimination Effects 0.000 description 8
- 238000003379 elimination reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/06—Carrying-off electrostatic charges by means of ionising radiation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Elimination Of Static Electricity (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a shielding device for protecting static electricity of a new energy automobile, which comprises the following components: a housing on which a static electricity eliminating mechanism is mounted; the static electricity eliminating mechanism comprises an ion fan and a motor, wherein the ion fan is arranged on one side of the shell, the motor is arranged on the inner wall of the bottom of the shell, a metal baffle is fixedly connected to the inside of the shell, a plurality of through holes are formed in the metal baffle, and U-shaped plates are fixedly connected to the top wall and the bottom wall of the inside of the shell; when the shielding device is used, the shell is arranged in the electronic equipment of the new energy automobile, the electronic equipment is located on one side of the metal baffle, the ion fan is started to blow gas with ions into the shell after the ion fan operates, the gas passes through the metal baffle through the through holes, so that all the surfaces of the electronic equipment in the metal shell are covered, and static electricity on the surfaces of the electronic equipment can be effectively eliminated through the gas with the ions.
Description
Technical Field
The invention belongs to the technical field of electromagnetic shielding of new energy automobiles, and particularly relates to a shielding device for electrostatic protection of a new energy automobile.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source or conventional automobile fuel and adopts a novel vehicle-mounted power device, integrates the advanced technology in the aspects of power control and driving of the automobile, and has advanced technical principle, novel technology and novel structure. Electromagnetic compatibility and electromagnetic shielding are also one of the most important indicators of product quality.
The shielding device of the new energy automobile in the prior art has certain problems:
1. when the existing new energy automobile shielding device is used, an anti-static measure is carried out on electronic equipment through static blocking materials, however, the measure can only block and protect static, and static generated during operation of the electronic equipment still cannot be eliminated rapidly;
2. the existing shielding device usually adopts a shell with shielding effect to shield so as to realize the blocking of external electromagnetic waves, however, the blocking mode adopted in the existing shell is single, the blocking shielding effect on electromagnetic waves is weak, and the shielding protection can not be adjusted according to the size of electrons;
3. in the existing shielding device, no electrostatic detection means is usually used for detecting the static electricity of the electronic equipment, and no automatic control technology is used for realizing automatic static electricity elimination operation, so that the static electricity elimination is performed in a manual mode, and the static electricity protection efficiency is affected.
Disclosure of Invention
Aiming at the problems that static electricity generated when electronic equipment in a new energy automobile runs in the prior art still cannot be eliminated rapidly, the blocking and shielding effects on electromagnetic waves are weak, shielding protection cannot be adjusted according to the size of electrons, and particularly the static electricity elimination is carried out in a manner that the static electricity elimination needs to be carried out manually, so that the static electricity protection efficiency is influenced, the invention provides a shielding device for the static electricity protection of the new energy automobile, which can eliminate static electricity rapidly.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a shielding device for electrostatic protection of a new energy automobile, comprising:
a housing on which a static electricity eliminating mechanism is mounted;
the static eliminating mechanism comprises an ion fan and a motor, wherein the ion fan is arranged on one side of the shell, the motor is arranged on the inner wall of the bottom of the shell, a metal baffle is fixedly connected to the inside of the shell, a plurality of through holes are formed in the metal baffle, a U-shaped plate is fixedly connected to the top wall and the bottom wall of the inside of the shell, a movable plate is slidably arranged in the U-shaped plate, a rack is fixedly connected to one side of the movable plate, a gear is fixedly connected to a rotating shaft of the motor, and the gear is meshed with the rack.
By adopting the shielding device provided by the technical scheme, when the shielding device is used, the ion fan is started, and then the gas with ions is blown into the casing after the ion fan runs, so that the surface of the electronic equipment inside the casing is covered, static electricity on the surface of the electronic equipment can be effectively eliminated through the gas with ions, and after the static electricity is eliminated, the motor is started to drive the gear and the rack to be meshed for transmission, so that the movable plate is driven to move to the through hole and the through hole is blocked, and the other side of the metal baffle is prevented from being accessed by external electromagnetic waves, so that interference is caused to the electronic equipment.
Further, the internally mounted of shell has inside shielding mechanism, inside shielding mechanism includes fixed plate and L shape slide rail, fixed plate fixed connection in the inside of shell, L shape slide rail fixed connection in on the fixed plate, the wave-absorbing soft board is installed to one side of fixed plate, slidable mounting has the slider on the L shape slide rail, one side fixed connection of wave-absorbing soft board in the bottom of slider, a plurality of U-shaped recesses have been seted up to the inside of shell, a plurality of the equidistance is the equidistance and arranges between the U-shaped recess, just the inside joint of U-shaped recess has the U-shaped metal sheet.
Further, install detection control mechanism on the shell, detection control mechanism includes box body and DSP controller, box body fixed connection in the top of shell, the DSP controller install in the inside of box body, the internally mounted of box body has the touch-control screen, electrostatic detection sensor is installed to the top inner wall of shell.
Further, the output end of the static detection sensor is connected with the input end of the DSP controller through a wire, the DSP controller is electrically connected with the touch screen, and the driving mechanism of the ion fan and the electric control end of the motor are electrically connected with the DSP controller.
Further, the outside of shell installs external shield mechanism, external shield mechanism includes metal roof and metal curb plate, metal roof fixed connection in the top of shell, metal curb plate fixed connection in the outside four sides of shell, the inside of metal roof and metal curb plate is all fixedly connected with fibre filling layer and metal braid.
Further, a storage battery is mounted on the inner wall of the top of the shell, and the DSP controller is electrically connected with the storage battery.
Further, the outside of L shape slide rail is installed the support, the one end fixed connection of support in the inside of shell.
Further, the top and the bottom of the movable plate are rotatably provided with rollers, and the rollers are attached to the inside of the U-shaped plate.
Further, the bottom fixedly connected with stopper of L shape slide rail.
Further, the length of the movable plate is 1/2 of the length of the metal baffle plate.
Compared with the prior art, the invention has the following beneficial effects:
1. when the shielding device is used, the ion fan is started, and then the gas with ions is blown into the shell after the ion fan runs, so that the surface of the electronic equipment in the shell is covered, static electricity on the surface of the electronic equipment can be effectively eliminated through the gas with ions, and after the static electricity is eliminated, the motor is started to drive the gear and the rack to carry out meshing transmission, so that the movable plate is driven to move to the through hole and the through hole is blocked;
2. when the shielding device is used, the U-shaped metal plates are clamped and installed in the plurality of U-shaped grooves which are equidistantly arranged according to the size of electronic equipment positioned in the shell, and the sliding blocks are pulled to drive the wave-absorbing soft plates to stretch until the wave-absorbing soft plates cover the outside of the electronic equipment, so that the electronic equipment and external electromagnetic waves can be enhanced and blocked by the U-shaped metal plates together with the telescopic wave-absorbing soft plates, and a high-strength shielding effect is achieved;
3. in use, the shielding device performs electrostatic detection on the inside of the shell through the electrostatic detection sensor, and receives detection data through the DSP controller, and the DSP controller can automatically control the starting of the ion fan and the motor according to detection values, so that the electrostatic elimination operation is automatically performed.
Drawings
Fig. 1 is a schematic structural view of a shielding device for electrostatic protection of a new energy automobile according to the present invention;
fig. 2 is a schematic structural view of another view angle of the shielding device for electrostatic protection of the new energy automobile according to the present invention;
FIG. 3 is a schematic cross-sectional view of the housing of the electrostatic protection shield device for a new energy automobile according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present invention;
fig. 5 is a schematic structural view of a metal baffle of the shielding device for protecting the new energy automobile from static electricity;
fig. 6 is a schematic cross-sectional view of a metal top plate of the shielding device for electrostatic protection of a new energy automobile according to the present invention.
The figure indicates: 1. an external shielding mechanism; 11. a metal top plate; 12. a metal side plate; 13. a fiber filling layer; 14. a metal braid; 2. a detection control mechanism; 21. a case body; 22. a DSP controller; 23. an electrostatic detection sensor; 24. a storage battery; 25. a touch screen; 3. a static electricity eliminating mechanism; 31. an ion fan; 32. a U-shaped plate; 33. a roller; 34. a movable plate; 35. a metal baffle; 36. a through hole; 37. a motor; 38. a gear; 39. a rack; 4. an internal shielding mechanism; 41. an L-shaped slide rail; 42. a slide block; 43. a fixing plate; 44. a wave-absorbing soft board; 45. a bracket; 46. a U-shaped metal plate; 47. a U-shaped groove; 48. a limiting block; 5. a housing.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, a shielding device for protecting static electricity of a new energy automobile comprises a shell 5 and a static electricity eliminating mechanism 3.
Wherein, static elimination mechanism 3 includes ion fan 31 and motor 37, ion fan 31 installs in one side of shell 5, motor 37 installs in the bottom inner wall of shell 5, the inside fixedly connected with metal baffle 35 of shell 5, a plurality of through-hole 36 has been seted up on the metal baffle 35, the inside roof of shell 5 and the equal fixedly connected with U-shaped plate 32 of diapire, the inside slidable mounting of U-shaped plate 32 has fly leaf 34, one side fixedly connected with rack 39 of fly leaf 34, the axis of rotation fixedly connected with gear 38 of motor 37, and gear 38 meshes with rack 39 and is connected.
Specifically, the internally mounted of shell 5 has inside shielding mechanism 4, inside shielding mechanism 4 includes fixed plate 43 and L shape slide rail 41, fixed plate 43 fixed connection is in the inside of shell 5, L shape slide rail 41 fixed connection is on fixed plate 43, wave-absorbing soft board 44 is installed to one side of fixed plate 43, slidable mounting has slider 42 on the L shape slide rail 41, one side fixed connection in slider 42 of wave-absorbing soft board 44, a plurality of U-shaped recesses 47 have been seted up to the inside of shell 5, equidistant range that is between a plurality of U-shaped recesses 47, and the inside joint of U-shaped recesses 47 has U-shaped metal sheet 46, during the use through above-mentioned technical scheme, can be according to the size of the electronic equipment that is located the shell 5 in a plurality of equidistant range of U-shaped recesses 47 joint installation U-shaped metal sheet 46, cover electronic equipment surface by U-shaped metal sheet 46, electromagnetic interference can be reduced by a wide margin, simultaneously, drive wave-absorbing soft board 44 through pulling slider 42 and stretch, until wave-absorbing soft board 44 covers the outside at electronic equipment, can reach the flexible effect of electromagnetic wave-absorbing soft board 44 collocation outside through U-shaped metal sheet 46.
Specifically, install detection control mechanism 2 on the shell 5, detection control mechanism 2 includes box body 21 and DSP controller 22, box body 21 fixed connection is in the top of shell 5, DSP controller 22 installs in the inside of box body 21, the internally mounted of box body 21 has touch-sensitive screen 25, electrostatic detection sensor 23 is installed to the top inner wall of shell 5, when using through above-mentioned technical scheme, carry out electrostatic detection to shell 5 inside through electrostatic detection sensor 23, and receive the detected data through DSP controller 22, when the detected data reaches the default, the start-up of ion fan 31 and motor 37 can be controlled to DSP controller 22, thereby carry out the static elimination operation voluntarily, simultaneously operating personnel can utilize touch-sensitive screen 25 to realize manual control.
Specifically, the output of the electrostatic detection sensor 23 is connected with the input of the DSP controller 22 through a wire, the DSP controller 22 is electrically connected with the touch screen 25, the driving mechanism of the ion fan 31 and the electric control end of the motor 37 are electrically connected with the DSP controller 22, when the technical scheme is used, the DSP controller 22 can receive the detection signal of the electrostatic detection sensor 23 through the wire, and execute the switch of the ion fan 31, the motor 37 and the touch screen 25 through the detection data preset value of the internal program of the DSP controller 22, and meanwhile, the touch screen 25 can facilitate the operator to observe the data information and has the manual control function.
Specifically, the outside of shell 5 installs external shield mechanism 1, external shield mechanism 1 includes metal roof 11 and metal curb plate 12, metal roof 11 fixed connection is in the top of shell 5, metal curb plate 12 fixed connection is in the outside four sides of shell 5, the inside of metal roof 11 and metal curb plate 12 is all fixedly connected with fibrous filling layer 13 and metal weaving layer 14, when using through above-mentioned technical scheme, shell 5, metal roof 11, metal baffle 35 and metal curb plate 12 all adopt the metal material of anti electromagnetic wave, install on shell 5 through metal roof 11 metal baffle 35 can block certain electromagnetic wave in the outside.
Specifically, the battery 24 is installed on the top inner wall of the housing 5, and the DSP controller 22 is electrically connected with the battery 24, and when the above technical scheme is used, the battery 24 can provide a circuit for the use of the DSP controller 22.
Specifically, the support 45 is mounted on the outer portion of the L-shaped sliding rail 41, one end of the support 45 is fixedly connected to the inner portion of the housing 5, and when the technical scheme is used, the outer portion of the L-shaped sliding rail 41 is supported stably through the support 45, so that the L-shaped sliding rail 41 is prevented from falling off or shaking in the housing 5.
Specifically, the top and the bottom of fly leaf 34 are all rotated and are installed gyro wheel 33, and gyro wheel 33 laminating is in the inside of U shaped plate 32, and when using through above-mentioned technical scheme, gyro wheel 33 can increase the slip smoothness of fly leaf 34 in the inside of U shaped plate 32.
Specifically, the bottom fixedly connected with stopper 48 of L shape slide rail 41, when using through above-mentioned technical scheme, stopper 48 can play the restriction effect to the sliding distance of slider 42 on the L shape slide rail 41.
Specifically, the length of the movable plate 34 is 1/2 of the length of the metal baffle 35, and when the technical scheme is used, the length of the movable plate 34 is set to be 1/2 of the length of the metal baffle 35, so that the movable plate 34 can be prevented from touching the inner wall of the shell 5 when moving.
The following describes in detail the working principle of the invention: when the shielding device provided by the scheme is used, the shell 5 is arranged in the electronic equipment of the new energy automobile, the electronic equipment is positioned on one side of the metal baffle 35, the ion fan 31 is started, the ion fan 31 is operated to blow gas with ions into the shell 5, the gas passes through the metal baffle 35 through the through holes 36, so that all the surfaces of the electronic equipment in the shell 5 are covered, static electricity on the surfaces of the electronic equipment can be effectively eliminated through the gas with the ions, the motor 37 is started after the static electricity is eliminated, meshing transmission is formed between the gear 38 on the rotating shaft of the motor 37 and the rack 39, so that the movable plate 34 is driven to move to the through holes 36 and the through holes 36 are blocked, the other side of the metal baffle 35 is prevented from being accessed by external electromagnetic waves, the interference to the electronic equipment is caused, the U-shaped metal plates 46 are clamped and installed in the plurality of U-shaped grooves 47 which are arranged at equal intervals according to the size of the electronic equipment positioned in the shell 5, the U-shaped metal plates 46 cover the surface of the electronic equipment, so that electromagnetic interference can be greatly reduced, meanwhile, the sliding block 42 is pulled to drive the wave-absorbing soft plate 44 to stretch until the wave-absorbing soft plate 44 covers the outside of the electronic equipment, the U-shaped metal plates 46 are matched with the telescopic wave-absorbing soft plate 44 to isolate the electronic equipment from external electromagnetic waves, so that a shielding effect is achieved, in use, the shielding device provided by the scheme can perform electrostatic detection on the inside of the shell 5 through the electrostatic detection sensor 23 and receive detection data through the DSP controller 22, when the detection data reach a preset value, the DSP controller 22 can control the starting of the ion fan 31 and the motor 37, so that electrostatic elimination operation is automatically performed, while the operator can achieve manual manipulation using the touch screen 25.
The shielding device for the electrostatic protection of the new energy automobile is described in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.
Claims (9)
1. The utility model provides a new energy automobile electrostatic protection is with shield assembly which characterized in that includes:
a housing (5), wherein the housing (5) is provided with a static electricity eliminating mechanism (3);
the static eliminating mechanism (3) comprises an ion fan (31) and a motor (37), wherein the ion fan (31) is installed on one side of the shell (5), the motor (37) is installed on the inner wall of the bottom of the shell (5), a metal baffle (35) is fixedly connected to the inside of the shell (5), a plurality of through holes (36) are formed in the metal baffle (35), U-shaped plates (32) are fixedly connected to the top wall and the bottom wall of the inside of the shell (5), a movable plate (34) is installed in the U-shaped plates (32) in a sliding mode, a rack (39) is fixedly connected to one side of the movable plate (34), a gear (38) is fixedly connected to a rotating shaft of the motor (37), and the gear (38) is meshed with the rack (39);
the inside of shell (5) is installed inside shielding mechanism (4), inside shielding mechanism (4) include fixed plate (43) and L shape slide rail (41), fixed plate (43) fixed connection in the inside of shell (5), L shape slide rail (41) fixed connection in on fixed plate (43), wave-absorbing soft board (44) are installed to one side of fixed plate (43), slidable mounting has slider (42) on L shape slide rail (41), one side fixed connection of wave-absorbing soft board (44) in the bottom of slider (42), a plurality of U-shaped recess (47) have been seted up to the inside of shell (5), a plurality of equidistance is arranged between U-shaped recess (47), just the inside joint of U-shaped recess (47) has U-shaped metal sheet (46).
2. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: install detection control mechanism (2) on shell (5), detection control mechanism (2) include box body (21) and DSP controller (22), box body (21) fixed connection in the top of shell (5), DSP controller (22) install in the inside of box body (21), internally mounted of box body (21) has touch-control screen (25), electrostatic detection sensor (23) are installed to the top inner wall of shell (5).
3. The shielding device for electrostatic protection of a new energy automobile according to claim 2, wherein: the output end of the static detection sensor (23) is connected with the input end of the DSP controller (22) through a wire, the DSP controller (22) is electrically connected with the touch screen (25), and the driving mechanism of the ion fan (31) and the electric control end of the motor (37) are electrically connected with the DSP controller (22).
4. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: the outside of shell (5) is installed outside shielding mechanism (1), outside shielding mechanism (1) include metal roof (11) and metal curb plate (12), metal roof (11) fixed connection in the top of shell (5), metal curb plate (12) fixed connection in the outside four sides of shell (5), the inside of metal roof (11) and metal curb plate (12) is all fixedly connected with fiber filling layer (13) and metal weaving layer (14).
5. The shielding device for electrostatic protection of a new energy automobile according to claim 3, wherein: and a storage battery (24) is arranged on the inner wall of the top of the shell (5), and the DSP controller (22) is electrically connected with the storage battery (24).
6. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: the outside of L shape slide rail (41) is installed support (45), the one end fixed connection of support (45) is in the inside of shell (5).
7. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: the top and the bottom of fly leaf (34) are all rotated and are installed gyro wheel (33), gyro wheel (33) laminating in the inside of U shaped board (32).
8. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: the bottom of the L-shaped sliding rail (41) is fixedly connected with a limiting block (48).
9. The shielding device for electrostatic protection of a new energy automobile according to claim 1, wherein: the length of the movable plate (34) is 1/2 of the length of the metal baffle plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759675.4A CN113438784B (en) | 2021-07-06 | 2021-07-06 | New energy automobile is shield assembly for static protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110759675.4A CN113438784B (en) | 2021-07-06 | 2021-07-06 | New energy automobile is shield assembly for static protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113438784A CN113438784A (en) | 2021-09-24 |
| CN113438784B true CN113438784B (en) | 2024-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110759675.4A Active CN113438784B (en) | 2021-07-06 | 2021-07-06 | New energy automobile is shield assembly for static protection |
Country Status (1)
| Country | Link |
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| CN (1) | CN113438784B (en) |
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|---|---|---|---|---|
| KR20070023053A (en) * | 2005-08-23 | 2007-02-28 | 장철수 | pure ion generator, electrostatic preventer and control panel temperature adjusting device |
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| Publication number | Publication date |
|---|---|
| CN113438784A (en) | 2021-09-24 |
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