CN111760682A - Dust falling device of power transformation cabinet - Google Patents
Dust falling device of power transformation cabinet Download PDFInfo
- Publication number
- CN111760682A CN111760682A CN202010582740.6A CN202010582740A CN111760682A CN 111760682 A CN111760682 A CN 111760682A CN 202010582740 A CN202010582740 A CN 202010582740A CN 111760682 A CN111760682 A CN 111760682A
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- motor
- paper
- dust
- electrostatic adsorption
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
- B03C3/68—Control systems therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Electrostatic Separation (AREA)
Abstract
Substation cabinet dust device relates to the electric power system electrical equipment field. The invention aims to solve the problems that the dust in an outdoor power transformation cabinet is large and the efficiency of the existing dust removal mode is low. The support shaft is used for being fixed inside a transformer cabinet, the paper tube is sleeved outside the support shaft and can rotate, the electrostatic adsorption paper is in a strip shape, the head end of the electrostatic adsorption paper is fixedly connected with the outer surface of the paper tube and is wound on the outer surface of the paper tube in a laminating mode to form a paper roll structure, the driving roller is located right below the paper tube, the tail end of the electrostatic adsorption paper is fixedly connected with the outer surface of the driving roller, and a rotating handle extends out of one end of the driving roller along the axial direction of the driving roller. The dust falling device of the power transformation cabinet is suitable for the power transformation cabinet working in a large outdoor dust area.
Description
Technical Field
The invention belongs to the field of electrical equipment of an electric power system, and particularly relates to a dust falling technology of a power transformation cabinet.
Background
In power plants, variable voltage transmission is generally used to transform the generated electric energy into high voltage for transmission so as to reduce the loss. The high voltage is then converted to a low voltage for distribution to the customer. Therefore, a transformer cabinet is required to perform centralized transformation on the voltage. The transformer cabinet is factory prefabricated indoor and outdoor compact distribution equipment which is arranged into a whole according to a certain wiring scheme, namely, functions of voltage reduction, low-voltage distribution and the like of a transformer are organically combined together.
In urban areas, most of the power transformation cabinets are located outdoors, and a large amount of dust often enters the cabinet body. The heat dissipation of the cabinet is seriously affected by the accumulation of a large amount of dust. The existing mode is that the cabinet body is opened regularly to remove dust, and the efficiency is low.
Disclosure of Invention
The invention provides a dust falling device of a power transformation cabinet with two structures, aiming at solving the problems of large dust in the outdoor power transformation cabinet and low efficiency of the existing dust removal mode.
The transformer cabinet dust device of a structure includes: a supporting shaft, a paper tube, electrostatic adsorption paper, a driving roller and a rotating handle,
the support shaft is used for being fixed inside the transformer cabinet, the paper tube is sleeved outside the support shaft and can rotate, the electrostatic adsorption paper is in a strip shape, the head end of the electrostatic adsorption paper is fixedly connected with the outer surface of the paper tube and is wound on the outer surface of the paper tube in a laminating mode to form a paper roll structure,
the driving roller is positioned right below the paper tube, the tail end of the electrostatic adsorption paper is fixedly connected with the outer surface of the driving roller, and a rotating handle extends out of one end of the driving roller along the axial direction of the driving roller.
The transformer cabinet dust device of a structure, including support, two fiber container, two electrostatic absorption paper, a motor and drive belt, the support includes: an upper cross bar, a vertical bar and a lower cross bar,
the longitudinal bar is vertical to the upper transverse bar and is fixedly connected with the midpoint of the upper transverse bar, the upper transverse bar is close to the top end of the longitudinal bar, the tail end of the longitudinal bar is provided with a lantern ring, the middle shaft of the longitudinal bar is vertical to the middle shaft of the lantern ring, the lantern ring is sleeved on the outer surface of the lower transverse bar and is positioned at the midpoint of the lower transverse bar,
two paper tubes are sleeved on the upper cross rod and are respectively positioned at two sides of the longitudinal rod, two pieces of electrostatic adsorption paper are respectively in one-to-one correspondence with the two paper tubes, the head ends of the electrostatic adsorption paper are fixedly connected with the outer surfaces of the corresponding paper tubes and are wound on the outer surfaces of the paper tubes in a laminating manner to form a paper roll structure, the tail ends of the electrostatic adsorption paper are fixedly connected with the outer surface of the lower cross rod under the electrostatic adsorption paper,
the lantern ring outer surface downwardly extending has a motor dead lever, and a motor is fixed at the motor dead lever end, and the power output shaft and the sheer pole of a motor are parallel to each other, and link to each other through drive belt and sheer pole one end, can drive the sheer pole through the drive belt rotatory when a motor starts.
The transformer cabinet dust device of second kind of structure still includes: a controller, a motor driver and a dust sensor,
the dust sensor is used for detecting the dust concentration in the air inside the power transformation cabinet and sending the dust concentration to the controller,
the controller is used for comparing the received dust concentration with a preset standard dust threshold value, sending a motor control signal to the motor driver when the dust concentration exceeds the standard dust threshold value,
the motor driver is used for driving the first motor to rotate according to the received motor control signal.
The transformer cabinet dust device of second kind of structure still includes: a temperature sensor and a second motor,
the top end of the longitudinal rod is coaxially connected with the power output end of the second motor,
the temperature sensor is used for detecting the temperature value in the power transformation cabinet and sending the detected temperature value to the controller,
the controller is also used for comparing the received temperature value with a preset standard temperature threshold value, sending a reciprocating swing control signal to the motor driver when the temperature signal exceeds the standard temperature threshold value,
the motor driver is also used for driving the second motor to rotate forwards and backwards repeatedly according to the received reciprocating swing control signal.
The method for driving the second motor to rotate forwards and reversely repeatedly comprises the following steps:
firstly, the motor driver drives the second motor to rotate forward for 30 degrees,
then the motor driver drives the second motor to rotate reversely by 60 degrees and rotate forwards by 60 degrees again, so as to circulate,
and finally, when the motor driver drives the second motor to stop, the second motor is reset to the initial state and then stops rotating.
According to the dust falling device for the power transformation cabinet, dust is adsorbed inside the power transformation cabinet by utilizing the principle of electrostatic adsorption, and compared with the existing adsorption mode adopting an electrostatic adsorption plate, the dust falling device for the power transformation cabinet does not need to be cleaned by frequently opening the cabinet body, so that the cleaning period is prolonged. Meanwhile, when the unfolded dust absorption part of paper is adjusted, the cabinet body does not need to be opened, the operation is convenient and fast, the safety of an operator is guaranteed, and meanwhile the working efficiency is improved. On the basis again, increased the automated inspection part, according to the use of the inside dust concentration automatic adjustment static paper of transformer cabinet, further reduced manual operation. But also can the internal portion temperature of automated inspection cabinet to open the heat dissipation function, reduce the fault rate of guaranteeing that the electric cabinet is inside because of overheated and leading to.
The dust falling device of the power transformation cabinet is suitable for the power transformation cabinet working in a large outdoor dust area.
Drawings
Fig. 1 is a schematic structural diagram of a dust settling device of a power transformation cabinet according to a first embodiment;
fig. 2 is a partial cross-sectional view of the dust settling device of the transformer substation cabinet according to the first embodiment when the dust settling device is located inside the transformer substation cabinet;
FIG. 3 is a schematic structural view of the bracket according to the second embodiment;
fig. 4 is a schematic perspective view of a dust falling device of a power transformation cabinet according to a second embodiment;
fig. 5 is a front view of a dust falling device of a power transformation cabinet according to a second embodiment.
Detailed Description
The first embodiment is as follows: the present embodiment is described in detail with reference to fig. 1 and 2, and the substation cabinet dust fall apparatus according to the present embodiment includes: a support shaft 101, a paper tube 102, an electrostatic adsorption paper 103, a driving roller 104 and a rotating handle 105.
In practical application, two ends of the support shaft 101 are respectively and fixedly connected with the inner parts of the two opposite side walls of the power transformation cabinet, so that the support shaft 101 is parallel to one side of the power transformation cabinet with the ventilation opening. The paper tube 102 is rotatably fitted around the support shaft 101. The electrostatic adsorption paper 103 is in a strip shape, and the head end of the electrostatic adsorption paper 103 is fixedly connected with the outer surface of the paper tube 102 and is wound on the outer surface of the paper tube 102 in a laminating manner to form a paper roll structure.
The driving roller 104 is located right below the paper tube 102, and the end of the electrostatic adsorption paper 103 is fixedly connected with the outer surface of the driving roller 104. So that a part of the electrostatic adsorption paper 103 can be unfolded between the driving roller 104 and the paper tube 102 to form a plane which is opposite to the ventilation opening area of the power transformation cabinet.
One end of the driving roller 104 extends along the axial direction thereof with a rotating handle 105, and the rotating handle 105 extends from the inside of the power transformation cabinet to the outside of the power transformation cabinet through the side wall of the power transformation cabinet.
Due to the electrostatic adsorption effect of the electrostatic adsorption paper 103, when dust flies into the power transformation cabinet, the dust is blocked and adsorbed by the electrostatic adsorption paper 103, so that the dust is prevented from flying into internal parts and circuits of the power transformation cabinet, and the concentration of the dust in the power transformation cabinet is reduced. When the electrostatic adsorption paper 103 at the unfolding part has too much dust, a worker can rotate the rotating handle 105 outside the power combining cabinet to drive the driving roller 104 to rotate, so that the electrostatic adsorption paper 103 at the unfolding part is rolled on the surface of the driving roller 104, and meanwhile, the electrostatic adsorption paper 103 on the paper tube 102 is gradually unfolded to form a new plane to block at the air vent. Therefore, dust in the power transformation cabinet can be collected quickly and safely, the period of cabinet opening cleaning is prolonged, and operation is facilitated.
In this embodiment, the rotating handle 105 extends from the side wall of the cabinet, and can also support the driving roller 104 to prevent the paper roll from loosening. Furthermore, a support member can be added to support the driving roller 104, such as a right-angle bent rod, one end of the bent rod is fixed at the bottom of the transformer cabinet, and the other end of the bent rod is coaxially and rotatably connected with the supporting driving roller 104.
In this embodiment, the electrostatic adsorption paper 103 is disposed on the surface thereof to form a mesh structure, so as to ensure heat dissipation inside the electric cabinet.
The second embodiment is as follows: specifically, the present embodiment is described with reference to fig. 3 to 5, and the substation cabinet dust settling apparatus according to the present embodiment includes: support, two fiber container 102, two electrostatic absorption paper 103, No. one motor 206, No. two motors, drive belt 207, controller, motor drive, dust sensor and temperature sensor, the support includes: an upper crossbar 201, a side crossbar 202, and a lower crossbar 204.
The vertical rod 202 is perpendicular to the upper transverse rod 201 and is fixedly connected with the midpoint of the upper transverse rod 201, the upper transverse rod 201 is close to the top end of the vertical rod 202, the tail end of the vertical rod 202 is provided with a lantern ring 203, the middle shaft of the vertical rod 202 is perpendicular to the middle shaft of the lantern ring 203, the lantern ring 203 is sleeved on the outer surface of the lower transverse rod 204 and is located at the midpoint of the lower transverse rod 204, and a bearing is arranged between the lantern ring 203 and the lower transverse rod 204.
The two paper tubes 102 are sleeved on the upper cross rod 201 and located on two sides of the longitudinal rod 202 respectively, the two pieces of electrostatic adsorption paper 103 correspond to the two paper tubes 102 one by one respectively, the head ends of the electrostatic adsorption paper 103 are fixedly connected with the outer surfaces of the paper tubes 102 corresponding to the head ends of the electrostatic adsorption paper 103 and are wound on the outer surfaces of the paper tubes 102 in a stacked mode to form a paper roll structure, and the tail ends of the electrostatic adsorption paper 103 are fixedly connected with the outer surface of the lower cross rod 204 under the electrostatic adsorption paper 103.
A motor fixing rod 205 extends downwards from the outer surface of the collar 203, and the motor fixing rod 205 is larger than the radius of the paper roll so as to ensure enough space for the electrostatic adsorption paper 103 to be completely rolled on the lower cross bar 204. A motor 206 is fixed at the end of the motor fixing rod 205, the power output shaft of the motor 206 is parallel to the lower cross bar 204 and is connected with one end of the lower cross bar 204 through a transmission belt 207, and when the motor 206 is started, the lower cross bar 204 can be driven to rotate through the transmission belt 207.
During practical application, the top end of the longitudinal rod 202 is coaxially connected with the power output end of the second motor, and the second motor is fixed inside the transformer cabinet, so that the support is integrally hoisted inside the transformer cabinet through the second motor. And the part of the electrostatic absorption paper 103 which is unfolded to be a plane is opposite to the ventilation opening area of the power transformation cabinet.
Due to the electrostatic adsorption effect of the electrostatic adsorption paper 103, when dust flies into the power transformation cabinet, the dust is blocked and adsorbed by the electrostatic adsorption paper 103, so that the dust is prevented from flying into internal parts and circuits of the power transformation cabinet, and the concentration of the dust in the power transformation cabinet is reduced.
When the electrostatic adsorption paper 103 of the unfolded part is dusty, the dust sensor is used for detecting the dust concentration in the air inside the power transformation cabinet and sending the dust concentration to the controller. The controller is used for comparing the received dust concentration with a preset standard dust threshold, and sending a motor control signal to the motor driver when the dust concentration exceeds the standard dust threshold, wherein the motor driver is used for driving the first motor 206 to rotate according to the received motor control signal. When the first motor 206 rotates, the lower cross bar 204 can be driven to rotate by the transmission belt 207, so that the electrostatic adsorption paper 103 on the unwound part is rolled on the surface of the lower cross bar 204, and meanwhile, the electrostatic adsorption paper 103 on the paper tube 102 is unwound again.
The temperature sensor is used for detecting the temperature value in the power transformation cabinet and sending the detected temperature value to the controller. The controller is also used for comparing the received temperature value with a preset standard temperature threshold value, and sending a reciprocating swing control signal to the motor driver when the temperature signal exceeds the standard temperature threshold value. The motor driver is also used for driving the second motor to rotate forwards and backwards repeatedly according to the received reciprocating swing control signal. The specific method for driving the second motor to rotate forwards and reversely repeatedly comprises the following steps:
firstly, the motor driver drives the second motor to rotate forward for 30 degrees,
then the motor driver drives the second motor to rotate reversely by 60 degrees and rotate forwards by 60 degrees again, so as to circulate,
and finally, when the motor driver drives the second motor to stop, the second motor is reset to the initial state and then stops rotating.
In this embodiment, when the inside high temperature of transformer cabinet, then start No. two motors and drive the support swing, at the swing in-process, can drive the circulation of air and increase the ventilation, strengthen the heat dissipation.
In this embodiment, the electrostatic adsorption paper 103 is disposed on the surface thereof to form a mesh structure, thereby further ensuring the heat dissipation inside the electrical cabinet.
Claims (8)
1. Transformer cabinet dust device, its characterized in that includes: a supporting shaft (101), a paper tube (102), electrostatic adsorption paper (103), a driving roller (104) and a rotating handle (105),
the supporting shaft (101) is used for being fixed inside the transformer cabinet, the paper tube (102) is sleeved outside the supporting shaft (101) and can rotate, the electrostatic adsorption paper (103) is in a strip shape, the head end of the electrostatic adsorption paper (103) is fixedly connected with the outer surface of the paper tube (102) and is wound on the outer surface of the paper tube (102) in a stacking mode to form a paper roll structure,
the driving roller (104) is positioned right below the paper tube (102), the tail end of the electrostatic adsorption paper (103) is fixedly connected with the outer surface of the driving roller (104), and a rotating handle (105) extends out of one end of the driving roller (104) along the axial direction of the driving roller.
2. Transformer cabinet dust device, its characterized in that includes support, two fiber container (102), two electrostatic absorption paper (103), a motor (206) and drive belt (207), and the support includes: an upper cross bar (201), a vertical bar (202) and a lower cross bar (204),
the vertical rod (202) is vertical to the upper transverse rod (201) and is fixedly connected with the midpoint of the upper transverse rod (201), the upper transverse rod (201) is close to the top end of the vertical rod (202), the tail end of the vertical rod (202) is provided with a lantern ring (203), the middle shaft of the vertical rod (202) is vertical to the middle shaft of the lantern ring (203), the lantern ring (203) is sleeved on the outer surface of the lower transverse rod (204) and is positioned at the midpoint of the lower transverse rod (204),
the two paper tubes (102) are sleeved on the upper cross rod (201) and are respectively positioned at two sides of the longitudinal rod (202), the two pieces of electrostatic adsorption paper (103) are respectively in one-to-one correspondence with the two paper tubes (102), the head ends of the electrostatic adsorption paper (103) are fixedly connected with the outer surfaces of the corresponding paper tubes (102) and are wound on the outer surfaces of the paper tubes (102) in a laminating manner to form a paper roll structure, the tail ends of the electrostatic adsorption paper (103) are fixedly connected with the outer surface of the lower cross rod (204) under the electrostatic adsorption paper (103),
a motor fixing rod (205) extends downwards from the outer surface of the lantern ring (203), a motor (206) is fixed at the tail end of the motor fixing rod (205), a power output shaft of the motor (206) is parallel to the lower cross rod (204) and is connected with one end of the lower cross rod (204) through a transmission belt (207), and the motor (206) can drive the lower cross rod (204) to rotate through the transmission belt (207) when being started.
3. A transformation cabinet dust fall apparatus according to claim 2, further comprising: a controller, a motor driver and a dust sensor,
the dust sensor is used for detecting the dust concentration in the air inside the power transformation cabinet and sending the dust concentration to the controller,
the controller is used for comparing the received dust concentration with a preset standard dust threshold value, sending a motor control signal to the motor driver when the dust concentration exceeds the standard dust threshold value,
the motor driver is used for driving the first motor (206) to rotate according to the received motor control signal.
4. A transformation cabinet dust fall apparatus according to claim 3, further comprising: a temperature sensor and a second motor,
the top end of the vertical rod (202) is coaxially connected with the power output end of the second motor,
the temperature sensor is used for detecting the temperature value in the power transformation cabinet and sending the detected temperature value to the controller,
the controller is also used for comparing the received temperature value with a preset standard temperature threshold value, sending a reciprocating swing control signal to the motor driver when the temperature signal exceeds the standard temperature threshold value,
the motor driver is also used for driving the second motor to rotate forwards and backwards repeatedly according to the received reciprocating swing control signal.
5. A dust fall device for a power transformation cabinet according to claim 4, wherein the method for driving the second motor to rotate forward and backward repeatedly comprises the following steps:
firstly, the motor driver drives the second motor to rotate forward for 30 degrees,
then the motor driver drives the second motor to rotate reversely by 60 degrees and rotate forwards by 60 degrees again, so as to circulate,
and finally, when the motor driver drives the second motor to stop, the second motor is reset to the initial state and then stops rotating.
6. A transformation cabinet dust fall device according to claim 2,
the motor fixing rod (205) is larger than the radius of the paper roll.
7. A transformation cabinet dust fall device according to claim 2,
a bearing is arranged between the lantern ring (203) and the lower cross bar (204).
8. A dust fall device of a power transformation cabinet according to claim 1 or 2,
the surface of the electrostatic adsorption paper (103) is in a net shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582740.6A CN111760682B (en) | 2020-06-23 | 2020-06-23 | Dust falling device of power transformation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582740.6A CN111760682B (en) | 2020-06-23 | 2020-06-23 | Dust falling device of power transformation cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111760682A true CN111760682A (en) | 2020-10-13 |
| CN111760682B CN111760682B (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582740.6A Active CN111760682B (en) | 2020-06-23 | 2020-06-23 | Dust falling device of power transformation cabinet |
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| CN (1) | CN111760682B (en) |
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| US20100326902A1 (en) * | 2009-06-29 | 2010-12-30 | David Grant Midkiff | Laminated Filtration Media |
| CN204260691U (en) * | 2014-11-13 | 2015-04-15 | 西安建筑科技大学 | A kind of non-washing type rotating shaft electrostatic precipitation mop |
| CN205833671U (en) * | 2016-04-29 | 2016-12-28 | 汕头市山河实业有限公司 | A kind of bugduster apparatus of the glue-free laminating machine of environment-friendly type |
| CN207062472U (en) * | 2017-04-25 | 2018-03-02 | 吴江市恒达纺织整理有限公司 | A kind of antiwind warping machine |
| CN208612083U (en) * | 2018-05-31 | 2019-03-19 | 杨运海 | A kind of electrostatic field roller shutter type air cleaning facility |
| CN209184003U (en) * | 2018-10-08 | 2019-07-30 | 绵阳富邦电控设备有限公司 | A kind of distribution box with from dedusting function |
| CN209389019U (en) * | 2018-12-18 | 2019-09-13 | 池州学院 | A kind of dust cover of integrated circuit |
| CN210358381U (en) * | 2019-08-15 | 2020-04-21 | 江阴通利光电科技有限公司 | Dust removal system before coating of optical lens film |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1015432A (en) * | 1996-06-28 | 1998-01-20 | Nippon Dennetsu Co Ltd | Air cleaner |
| JPH10180141A (en) * | 1996-12-25 | 1998-07-07 | Kyushu Hitachi Maxell Ltd | Air cleaner |
| CN1220191A (en) * | 1997-11-13 | 1999-06-23 | 蒂雅克株式会社 | Air purifier |
| JP2000271508A (en) * | 1999-03-25 | 2000-10-03 | Mitsubishi Paper Mills Ltd | Dust collecting paper and electric air cleaning apparatus using the same |
| JP2006105436A (en) * | 2004-10-01 | 2006-04-20 | Yamase Yuka | Air cleaner |
| US20100326902A1 (en) * | 2009-06-29 | 2010-12-30 | David Grant Midkiff | Laminated Filtration Media |
| CN204260691U (en) * | 2014-11-13 | 2015-04-15 | 西安建筑科技大学 | A kind of non-washing type rotating shaft electrostatic precipitation mop |
| CN205833671U (en) * | 2016-04-29 | 2016-12-28 | 汕头市山河实业有限公司 | A kind of bugduster apparatus of the glue-free laminating machine of environment-friendly type |
| CN207062472U (en) * | 2017-04-25 | 2018-03-02 | 吴江市恒达纺织整理有限公司 | A kind of antiwind warping machine |
| CN208612083U (en) * | 2018-05-31 | 2019-03-19 | 杨运海 | A kind of electrostatic field roller shutter type air cleaning facility |
| CN209184003U (en) * | 2018-10-08 | 2019-07-30 | 绵阳富邦电控设备有限公司 | A kind of distribution box with from dedusting function |
| CN209389019U (en) * | 2018-12-18 | 2019-09-13 | 池州学院 | A kind of dust cover of integrated circuit |
| CN210358381U (en) * | 2019-08-15 | 2020-04-21 | 江阴通利光电科技有限公司 | Dust removal system before coating of optical lens film |
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| Publication number | Publication date |
|---|---|
| CN111760682B (en) | 2022-04-26 |
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Effective date of registration: 20201118 Address after: No.12, group 14, Qunying community, Xiangyang District, Shuangyashan City, Heilongjiang Province, 155199 Applicant after: SHUANGYASHAN POWER SUPPLY COMPANY OF STATE GRID HEILONGJIANG ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: No.12, group 14, Qunying community, Xiangyang District, Jiamusi City, Heilongjiang Province, 154000 Applicant before: Wu Yu |
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