CN105056658A - Automatic rolling filter screen system and implementation method - Google Patents

Automatic rolling filter screen system and implementation method Download PDF

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Publication number
CN105056658A
CN105056658A CN201510419608.2A CN201510419608A CN105056658A CN 105056658 A CN105056658 A CN 105056658A CN 201510419608 A CN201510419608 A CN 201510419608A CN 105056658 A CN105056658 A CN 105056658A
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China
Prior art keywords
filter screen
roller
motor
control module
screen
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Pending
Application number
CN201510419608.2A
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Chinese (zh)
Inventor
项云华
徐彬
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HANGZHOU SUNLINES INFORMATION TECHNOLOGY Co Ltd
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HANGZHOU SUNLINES INFORMATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201510419608.2A priority Critical patent/CN105056658A/en
Publication of CN105056658A publication Critical patent/CN105056658A/en
Pending legal-status Critical Current

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Abstract

The invention provides an automatic rolling filter screen system and an implementation method. The system comprises a cross beam and a filter screen, and further comprises a waste filter screen recovering roller, a chain, chain wheels, a motor, a new filter screen pre-mounting roller and a microcomputer control module, wherein the waste filter screen recovering roller and the new filter screen pre-mounting roller are mounted at two ends of the cross beam respectively; the cross beam comprises a front beam and a rear beam; the filter screen is mounted between the front beam and the rear beam; one end part of the filter screen is connected with the waste filter screen recovering roller; the other end part of the filter screen is connected with the new filter screen pre-mounting roller; the motor is connected with the waste filter screen recovering roller through the chain and the chain wheels; the waste filter screen recovering roller is a power roller; the new filter screen pre-mounting roller is an unpowered roller; the microcomputer control module is connected with the motor and used for controlling the movement of the motor; the motor transmits power to the waste filter screen recovering roller through the chain and the chain wheels, and drives the waste filter screen recovering roller to recover a dirty or plugged filter screen, and the new filter screen pre-mounting roller is used for releases a new filter screen.

Description

Auto reeling filter net system and implementation method
Technical field
The invention belongs to intelligent fresh air energy-saving field, particularly relate to the auto reeling filtration system in VMC and implementation method.
Background technology
Along with the iterative method of energy-saving and emission-reduction cause, Intelligent ventilating system has been widely used in communications equipment room, base station as the effective energy saving means of one.Consider that machine room is higher to air quality requirements, air intake place is generally equipped with the devices such as screen pack, makes the air in machine room meet the requirement of machine room to dust particle.Existing equipment room fresh air ventilating is generally equipped with G4, H8 two-stage filter, G4 filter average life is about one and a half months, the average life of H8 filter, at about 1 year, because every platform device Filters is asynchronous for service life, causes needs more frequently to change the situation of filter screen.
What is more, at some big-and-middle-sized machine room, is equipped with some equipment, and every platform device Filters is all asynchronous for service life, and cause needs more frequently to change the situation of filter screen, field maintenance workload is larger.
Summary of the invention
For solving above technical problem, the present invention proposes a kind of auto reeling filter net system and implementation method.
Technical scheme of the present invention is:
Auto reeling filter net system, comprises crossbeam, screen pack; It is characterized in that, also comprise that old filter screen reclaims roller, chain, sprocket wheel, motor, new filter screen prepackage roller, microcomputer control module, filter screen dirtying block up monitoring modular, counting device;
Old filter screen reclaims roller and new filter screen pre-installs the both ends that roller is arranged on crossbeam respectively;
Described crossbeam comprises front-axle beam, the back rest, and screen pack is arranged between front-axle beam and the back rest, and screen pack one end and old filter screen reclaim roller and be connected, and the other end and new filter screen are pre-installed roller and be connected;
Motor is reclaimed roller with old filter screen be connected by chain, sprocket wheel, and it is power roller that old filter screen reclaims roller; New filter screen prepackage roller is unpowered roller;
Microcomputer control module is connected with motor, for controlling motor movement; Motor transmits power by chain, sprocket wheel and reclaims roller to old filter screen, drives old filter screen to reclaim roller and reclaims dirty stifled screen pack, the screen pack of new filter screen prepackage roller release new;
Filter screen dirtying blocks up monitoring modular and comprises pressure difference switch, and pressure difference switch is arranged on the both sides of screen pack, and transmit pressure difference signal to microcomputer control module by pressure difference switch, microcomputer control module receives the pressure difference signal that pressure difference switch transmits, and sends instruction to motor;
Counting device is connected with microcomputer control module; Reclaiming roller at old filter screen reclaims in the process of dirty stifled screen pack, and the photosignal that microcomputer control module provides according to counting device judges screen pack travel distance.
By adopting above technical scheme, the low efficient filter screen of one-level auto reeling is increased before G4 filter, this grade filters and can stop and dust that absorbed portion particle is larger, and auto reeling is stored up after dirty blocking up occurs filter screen, complete filter material replacement, thus extend the replacement cycle of G4 filter, reduce spot replace number of times, save cost of labor.
Further, counting device comprises holder, the first support, optoelectronic switch, guide rod, bearing, spring, nut, fixed axis, rubber wheel, the second support; First support, the second support are fixedly mounted on holder; The both sides of the first support are provided with two pieces of the first baffle plate, second baffles be parallel to each other;
Rubber wheel is fixed on the first baffle plate of the first side face by fixed axis, nut; The top of rubber wheel is provided with the second support, and the top of the second support is provided with pair of bearings; Guide rod is fixed on the first support through bearing, the second support, spring; Rubber wheel circumferentially evenly has with photo-switch detector sizable hole; Optoelectronic switch is fixed on second baffle, and when rubber wheel moves, optoelectronic switch is by obtaining the change of light in hole on rubber wheel, the range ability of calculated filter screen.
The girth of the number of aperture * rubber wheel on the travel distance=counts/rubber wheel of screen pack
Further, the fixed position of optoelectronic switch is arranged on the position concentric with outermost side opening on rubber wheel.
By adopting above technical scheme, the photosignal that auto reeling filter net system can provide according to counting device judges screen pack travel distance, and then judges whether dirty stifled filter screen recovery completes.
As a further improvement on the present invention, auto reeling filter net system also comprises a filter screen dirtying and blocks up monitoring modular, filter screen dirtying blocks up monitoring modular and comprises pressure difference switch, pressure difference switch is arranged on the both sides of screen pack, pressure difference signal is transmitted to microcomputer control module by pressure difference switch, microcomputer control module receives the pressure difference signal that pressure difference switch transmits, and sends instruction to motor, controls motor rotation.
By adopting above technical scheme, auto reeling filter net system according to pressure difference signal, can judge that whether dirty screen pack is stifled.
As a further improvement on the present invention, to reclaim the diaxon of roller and new filter screen prepackage roller parallel and have identical height for old filter screen.
As a further improvement on the present invention, a pressing plate is arranged on the top of new filter screen prepackage roller, is increased the damping of new filter screen prepackage roller, make old filter screen reclaim more consolidation by pressing plate.
As a further improvement on the present invention, screen pack elects nylon wire as.
As a further improvement on the present invention, old filter screen reclaims roller winding mouth place and is provided with a wire netting, and wire netting is for compressing screen pack.
As a further improvement on the present invention, above described motor, chain, sprocket wheel, dust cap is installed.
As a further improvement on the present invention, described front-axle beam, the back rest are provided with locating part, locating part reclaims the position of roller, new filter screen prepackage roller for limiting old filter screen.
Auto reeling screen pack implementation method, is characterized in that, the steps include:
1) transmit pressure difference signal to microcomputer control module by pressure difference switch, when actual pressure differential value is greater than the pressure reduction limit value preset, microcomputer control module is judged as that filter screen dirtying blocks up;
2) microcomputer control module sending controling instruction is to motor, controls motor rotation, and motor transmits power by chain, sprocket wheel and reclaims roller to old filter screen, drives old filter screen to reclaim roller and reclaims dirty stifled screen pack, the screen pack of new filter screen prepackage roller release new;
3) reclaiming roller at old filter screen reclaims in the process of dirty stifled screen pack, counting device counts, the rubber wheel of counting device evenly has with photo-switch detector sizable hole, optoelectronic switch is fixed on the position concentric with hole, the photosignal that microcomputer control module provides according to counting device judges screen pack travel distance, and then judges whether dirty stifled filter screen recovery completes;
The girth of the number of aperture * rubber wheel on the travel distance=counts/rubber wheel of screen pack
4) after dirty block dust gauze has reclaimed, control motor by microcomputer control module and stop reclaiming.
By adopting technique scheme, blocking up the dirty stifled situation of monitoring modular to screen pack by filter screen dirtying and automatically monitoring, and carrying out the judgement of screen pack travel distance by microcomputer control module controlling calculation device, and then judge whether dirty stifled filter screen recovery completes.In big-and-middle-sized machine room on-site maintenance, again do not need frequently to change filter screen, the workload of surfaceman will greatly reduce.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is explosive view of the present invention;
Fig. 3 is electrical schematic diagram of the present invention;
Fig. 4 is the external structure of counting device;
Fig. 5 is the explosive view of calculation element.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the present invention further.
As shown in Figure 1, auto reeling filter net system, comprising: old filter screen recovery roller 1, chain 2, motor 3, counting device 4, crossbeam, screen pack 6, new filter screen prepackage roller 7, crosspiece 8, pressing plate 9, installation shelves 11, wire netting 13, microcomputer control module, filter screen dirtying block up monitoring modular.
Described crossbeam comprises front-axle beam 5, the back rest 10, and front-axle beam 5 is parallel to the back rest 10 and arranges.Crosspiece 8 is for being connected and fixed front-axle beam 5, the back rest 10, and front-axle beam 5, the back rest 10, crosspiece 8 form the base of auto reeling filter net system jointly.The side of crosspiece 8 is provided with new filter screen prepackage roller 7.
Be provided with screen pack 6 between front-axle beam 5 and the back rest 10, screen pack 6 one end and old filter screen reclaim roller 1 and are connected, and the other end and new filter screen are pre-installed roller 7 and be connected.
Old filter screen reclaims roller 1 and new filter screen pre-installs the two ends that roller 7 is arranged on crossbeam respectively, makes the diaxon of old filter screen recovery roller 1 and new filter screen prepackage roller 7 parallel and has identical height.In practice, by beating pre-manufactured hole at front-axle beam 5 and the back rest 10 two ends same position by high-precision Digit Control Machine Tool, alignment pin being installed, guaranteeing axis being parallel by the size measuring diagonal orientation pin.
It is power roller that above-mentioned old filter screen reclaims roller 1, and cylindrical shell is installed on axle by closed type bearing, and body end surface configuration sprocket wheel 15, transmits power with this.New filter screen prepackage roller 7 is unpowered roller, and cylindrical shell is installed on axle by closed type bearing.
Motor 3 reclaims roller 1 by chain 2 with old filter screen and is connected; Pressing plate 9 is arranged on the top of new filter screen prepackage roller 7, is increased the damping of new filter screen prepackage roller 7, make old filter screen reclaim more consolidation by pressing plate 9.
The end of reclaiming roller 1 between roller 1 and new filter screen prepackage roller 7 near old filter screen is reclaimed at old filter screen, be provided with one and be positioned at installation shelves 11 above screen pack, installing shelves 11 is arranged between front-axle beam 5, the back rest 10, and described installation shelves 11 are provided with counting device 4.
As shown in Figure 4,5, counting device 4 comprises outer cover 41, holder 42, first support 43, optoelectronic switch 44, guide rod 45, bearing 46, spring 47, nut 48, fixed axis 49, rubber wheel 410, second support 411.Described holder 42 is arranged on to be installed on shelves 11, and what the first support 43, second support 411 was parallel to each other is fixedly mounted on holder 42; The centre of the first support 43 have a rectangular opening 431, its both sides are provided with two pieces of the first baffle plate 432, second baffles 433 of being parallel to each other;
Outer cover 41 enters for preventing dust.
Rubber wheel 410 is fixed on the first baffle plate 432 of the first support 43 side by fixed axis 49, nut 48.The top that the top of rubber wheel 410 is provided with the second support 411, second support 411 is provided with pair of bearings 46; Guide rod 45 is fixed on the first support 43 through bearing 46, second support 411, spring 47; In use, frictional force is increased by spring 47 elastic force to rubber wheel.Rubber wheel 410 circumferentially evenly has sizable hole of popping one's head in optoelectronic switch 44; Optoelectronic switch is fixed on second baffle 433, and its optimum fixation position is arranged on the position concentric with outermost side opening on rubber wheel 410.When rubber wheel 410 moves, optoelectronic switch 44, by obtaining the change of light in hole on rubber wheel 410, judges rubber wheel 410 range ability.
When rubber wheel is pressed on nylon wire, support by the frame of G4 filter below nylon wire, and increase suitable pressure by spring to rubber wheel, to obtain frictional force.Nylon wire is in running, and can drag rubber wheel and rotate, optoelectronic switch often once can receive a signal by circular hole, namely counts 1 time.
The girth of the number of aperture * rubber wheel on distance=counts/rubber wheel that nylon wire runs
Filter screen dirtying blocks up monitoring modular and comprises a pressure difference switch SP, two links of pressure difference switch are arranged on the both sides of screen pack, pressure difference signal is transmitted to microcomputer control module by pressure difference switch, microcomputer control module receives the pressure difference signal that pressure difference switch transmits, and send instruction to motor, control motor rotation.
Motor 3, counting device 4, pressure difference switch are all connected with microcomputer control module.
For preventing entering of dust, dust cap 14 is installed above described motor, chain, sprocket wheel.
Screen pack 6 selects order number to be 200 object nylon wires, can select different specifications according to different filtering requirement.
Described front-axle beam 5, the back rest 10 are provided with locating part 12, and locating part 12 reclaims the position of roller 1, new filter screen prepackage roller 7 for limiting old filter screen.Wire netting 13 is for compressing screen pack 6.
Motor 3 adopts single phase ac toothed gearing electric motor, motor exports configuration 11Z08B (11 tooth) sprocket wheel, and old filter screen reclaims roller configuration 22Z08B, 11Z08B sprocket wheel by chain-driving 22Z08B (22 tooth) sprocket wheel, final speed reducing ratio is 300:1, moment of torsion 20N.m.
As shown in Figure 3, be electrical schematic diagram of the present invention.
Microcomputer control module comprises microprocessor, current transformer TA, limit switch SQ1, circuit breaker Q F, AC/DC converter, motor, fuse FU; 220V alternating current, through the conversion of AC/DC converter, is converted to the input that 24V direct current delivers to microprocessor by AC220V power supply; Microprocessor is also connected with optoelectronic switch SQ2, pressure difference switch SP;
By microprocessor arrange each feeding length, clean filtrate prepackage total length or total degree is set, and send alarm when filtrate runs low, to show prompting.The electric current of VMC blower fan is detected, by the running time of microcomputer control module record VMC, the i.e. service time of screen pack by current transformer TA.
When circuit breaker Q F and press button SB all connects, auto reeling system is in holding state.When filter screen dirtying is to pressure set points, pressure difference switch SP normally opened contact is connected, and sends winding signal to microprocessor, and through the relay K A coil power supply of the backward microprocessor internal of program process, now relay K A normally opened contact closes, and drive motors operates.Reclaim roller running by chain-driving filter screen, screen pack starts mobile, and optoelectronic switch SQ2 starts counting simultaneously, and data are sent to microcomputer control module in real time, closes down motor when reaching length settings.
When old filter screen recovery roller winding diameter exceeds setting value, SQ1 limit switch can be touched, and disconnect normally-closed contact, make motor out of service.
Operation principle of the present invention is as follows:
Transmit pressure difference signal to microcomputer control module by the pressure difference switch being arranged on screen pack 6 both sides, carry out monitoring by microcomputer control module and judge that whether dirty screen pack 6 is stifled.
When microcomputer control module judge screen pack 6 dirty stifled after, microcomputer control module sending controling instruction is to motor, control motor 3 to operate, motor 3 transmits power by chain 2 and reclaims roller 1 to old filter screen, thus drive old filter screen recovery roller 1 to reclaim dirty stifled screen pack 6, after dirty block dust gauze has reclaimed, control motor 2 by microcomputer control module and stopped reclaiming.
Reclaiming roller 1 at old filter screen reclaims in the process of dirty stifled screen pack 6, and the photosignal that microcomputer control module provides according to counting device 4 judges filter screen travel distance, and then judges whether dirty stifled filter screen recovery completes.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.

Claims (10)

1. auto reeling filter net system, comprises crossbeam, screen pack; It is characterized in that, also comprise that old filter screen reclaims roller, chain, sprocket wheel, motor, new filter screen prepackage roller, microcomputer control module, filter screen dirtying block up monitoring modular, counting device;
Old filter screen reclaims roller and new filter screen pre-installs the both ends that roller is arranged on crossbeam respectively;
Described crossbeam comprises front-axle beam, the back rest, and screen pack is arranged between front-axle beam and the back rest, and screen pack one end and old filter screen reclaim roller and be connected, and the other end and new filter screen are pre-installed roller and be connected;
Motor is reclaimed roller with old filter screen be connected by chain, sprocket wheel, and it is power roller that old filter screen reclaims roller; New filter screen prepackage roller is unpowered roller;
Microcomputer control module is connected with motor, for controlling motor movement; Motor transmits power by chain, sprocket wheel and reclaims roller to old filter screen, drives old filter screen to reclaim roller and reclaims dirty stifled screen pack, the screen pack of new filter screen prepackage roller release new;
Filter screen dirtying blocks up monitoring modular and comprises pressure difference switch, and pressure difference switch is arranged on the both sides of screen pack, and transmit pressure difference signal to microcomputer control module by pressure difference switch, microcomputer control module receives the pressure difference signal that pressure difference switch transmits, and sends instruction to motor;
Counting device is connected with microcomputer control module; Reclaiming roller at old filter screen reclaims in the process of dirty stifled screen pack, and the photosignal that microcomputer control module provides according to counting device judges screen pack travel distance.
2. auto reeling filter net system according to claim 1, is characterized in that, counting device comprises holder, the first support, optoelectronic switch, guide rod, bearing, spring, nut, fixed axis, rubber wheel, the second support; First support, the second support are fixedly mounted on holder; The both sides of the first support are provided with two pieces of the first baffle plate, second baffles be parallel to each other;
Rubber wheel is fixed on the first baffle plate of the first side face by fixed axis, nut; The top of rubber wheel is provided with the second support, and the top of the second support is provided with pair of bearings; Guide rod is fixed on the first support through bearing, the second support, spring; Rubber wheel circumferentially evenly has with photo-switch detector sizable hole; Optoelectronic switch is fixed on second baffle, and when rubber wheel moves, optoelectronic switch is by obtaining the change of light in hole on rubber wheel, the range ability of calculated filter screen.
3. auto reeling filter net system according to claim 2, is characterized in that, the fixed position of optoelectronic switch is arranged on the position concentric with outermost side opening on rubber wheel.
4. auto reeling filter net system according to claim 1, is characterized in that, it is parallel and have identical height that old filter screen reclaims the diaxon of roller and new filter screen prepackage roller.
5. auto reeling filter net system according to claim 1, is characterized in that, a pressing plate is arranged on the top of new filter screen prepackage roller, is increased the damping of new filter screen prepackage roller, make old filter screen reclaim more consolidation by pressing plate.
6. auto reeling filter net system according to claim 1, it is characterized in that, screen pack elects nylon wire as.
7. auto reeling filter net system according to claim 1, is characterized in that, old filter screen reclaims roller winding mouth place and is provided with a wire netting, and wire netting is for compressing screen pack.
8. auto reeling filter net system according to claim 1, is characterized in that, is provided with dust cap above described motor, chain, sprocket wheel.
9. auto reeling filter net system according to claim 1, is characterized in that, described front-axle beam, the back rest are provided with locating part, and locating part reclaims the position of roller, new filter screen prepackage roller for limiting old filter screen.
10. auto reeling screen pack implementation method, is characterized in that, the steps include:
1) transmit pressure difference signal to microcomputer control module by pressure difference switch, when actual pressure differential value is greater than the pressure reduction limit value preset, microcomputer control module is judged as that filter screen dirtying blocks up;
2) microcomputer control module sending controling instruction is to motor, controls motor rotation, and motor transmits power by chain, sprocket wheel and reclaims roller to old filter screen, drives old filter screen to reclaim roller and reclaims dirty stifled screen pack, the screen pack of new filter screen prepackage roller release new;
3) reclaiming roller at old filter screen reclaims in the process of dirty stifled screen pack, counting device counts, the rubber wheel of counting device evenly has with photo-switch detector sizable hole, the photosignal that microcomputer control module provides according to counting device judges screen pack travel distance, and then judges whether dirty stifled filter screen recovery completes;
The girth of the number of aperture * rubber wheel on the travel distance=counts/rubber wheel of screen pack
4) after dirty block dust gauze has reclaimed, control motor by microcomputer control module and stop reclaiming.
CN201510419608.2A 2015-07-16 2015-07-16 Automatic rolling filter screen system and implementation method Pending CN105056658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510419608.2A CN105056658A (en) 2015-07-16 2015-07-16 Automatic rolling filter screen system and implementation method

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Application Number Priority Date Filing Date Title
CN201510419608.2A CN105056658A (en) 2015-07-16 2015-07-16 Automatic rolling filter screen system and implementation method

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Publication Number Publication Date
CN105056658A true CN105056658A (en) 2015-11-18

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CN201510419608.2A Pending CN105056658A (en) 2015-07-16 2015-07-16 Automatic rolling filter screen system and implementation method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107051051A (en) * 2017-04-10 2017-08-18 中山市赛恩电器科技有限公司 A kind of air filter for being easy to update filter screen
CN108246004A (en) * 2018-02-27 2018-07-06 陕西理工机电科技有限公司 A kind of dust filtering device that can be achieved to automatically control simultaneously online cleaning function
CN110300619A (en) * 2017-02-17 2019-10-01 普雷斯顿工业公司 Refrigerator or chiller system with self-cleaning filter
CN113972584A (en) * 2021-11-03 2022-01-25 国家电网有限公司 City power supply looped netowrk cabinet with inside humidity detects adjustment mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110300619A (en) * 2017-02-17 2019-10-01 普雷斯顿工业公司 Refrigerator or chiller system with self-cleaning filter
CN107051051A (en) * 2017-04-10 2017-08-18 中山市赛恩电器科技有限公司 A kind of air filter for being easy to update filter screen
CN108246004A (en) * 2018-02-27 2018-07-06 陕西理工机电科技有限公司 A kind of dust filtering device that can be achieved to automatically control simultaneously online cleaning function
CN108246004B (en) * 2018-02-27 2021-03-12 陕西理工机电科技有限公司 Dust filtering device capable of realizing automatic control and online cleaning function
CN113972584A (en) * 2021-11-03 2022-01-25 国家电网有限公司 City power supply looped netowrk cabinet with inside humidity detects adjustment mechanism
CN113972584B (en) * 2021-11-03 2023-10-20 国家电网有限公司 Urban power supply ring main unit with internal humidity detection and adjustment mechanism

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Application publication date: 20151118

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