CN108233191A - A kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method - Google Patents
A kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method Download PDFInfo
- Publication number
- CN108233191A CN108233191A CN201810030155.8A CN201810030155A CN108233191A CN 108233191 A CN108233191 A CN 108233191A CN 201810030155 A CN201810030155 A CN 201810030155A CN 108233191 A CN108233191 A CN 108233191A
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- dust
- cabinet
- fan
- air
- proof
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
Abstract
The present invention relates to a kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting methods, switchgear includes cabinet, the cabinet is equipped with air inlet, cabinet door, gas outlet, the air inlet is equipped with dust-extraction unit, the dust-extraction unit includes dirt pocket, dust storage chamber, dedusting component, and the dedusting component includes protection network, the first filtering group, absorption group, the second filtering group, fan mechanism, clear dirt component；The dedusting component enters clearly dust in the dust storage chamber for removing the dust entered in cabinet in air, and the protection network, the first filtering group, absorption group, the second filtering group, fan mechanism are set in turn in from outside to inside in the dirt pocket.It crosses and the dust of dust progress different-grain diameter is filtered, prevent dust from entering in cabinet, ensure space dustless in cabinet, reduce the safety problem caused by dust, while the clear dirt process of dedusting can be automatically performed.
Description
Technical field
The present invention relates to switchgear field, especially a kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method.
Background technology
Switchgear is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, is switched subsequently into sub-control, respectively
Branch is needed to set by it.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc., some also set hyperbaric chamber with
Low-pressure chamber switchgear, equipped with high voltage bus, such as power plant, some is additionally provided with the low-frequency load reduction to protect capital equipment.
The main function of switchgear is generated electricity in electric system, transmitted electricity, during the conversion of distribution and electric energy, is carried out
Folding, control and protection electrical equipment.Component in switchgear mainly has breaker, disconnecting switch, on-load switch, operation machine
The compositions such as structure, mutual inductor and various protective devices.There are many sorting technique of switchgear, such as can be with by breaker mounting means
It is divided into movable switch cubicle and fixed switching cabinet；Or the difference according to cabinet body structure, open type switchgear, metal envelope can be divided into
Close switchgear and metal enclosed armoured switch cabinet；It can be divided into high-tension switch cabinet, Medium Voltage Switchgear again according to voltage class is different
With low-tension switch cabinet etc..Be primarily adapted for use in power plant, substation, petrochemical industry, metallurgical steel rolling, industry light industry textile industry, industrial enterprise and
The various different occasions such as residential quarters, skyscraper.
Existing switchgear can not achieve periodically self-cleaning while dedusting, worker be needed periodically to be cleared up, such work
People can have that work is not in place when cleaning, and security risk is buried in the operation for equipment.
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering
When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content
In order to solve the above-mentioned problems in the prior art, the present invention provides a kind of dust-proof high and low voltage switchgear and its
Dust-proof clear dust collecting method, can either prevent dust from entering in cabinet, and can realize that dust-extraction unit is regularly self-cleaning, reduces worker's
Labor intensity prevents safety accident caused by due to carelessness.
The switchgear includes cabinet, and the cabinet is equipped with air inlet, cabinet door and gas outlet, and the air inlet is equipped with dedusting
Device, the dust-extraction unit include dirt pocket, dust storage chamber, dedusting component and control assembly, the dedusting component include protection network,
First filtering group, absorption group, the second filtering group, fan mechanism, clear dirt component；The dedusting component enters for removing in cabinet
Dust in air, and dust is entered clearly in the dust storage chamber, the protection network, the first filtering group, absorption group, the second filtering
Group, fan mechanism are set in turn in from outside to inside in the dirt pocket, and the control assembly is used to control the work of dedusting component
State, the gas outlet are equipped with Air Filter.
The present invention solves the further technical solution of its technical problem：The first filtering group include the first basket strainer and
First support plate, the second filtering group include the second basket strainer and the second support plate, and the mesh number of second basket strainer is little
In the mesh number of the first basket strainer.
The present invention solves the further technical solution of its technical problem：First support plate and the second support plate are
Porous plate.
The present invention solves the further technical solution of its technical problem：The absorption group include the first adsorption electrode plate,
Second adsorption electrode plate and power supply, the cathode of the power supply connect the first adsorption electrode plate, the second absorption of anode connection
Electrode plate, the first adsorption electrode plate and the second adsorption electrode plate are porous plate.
The present invention solves the further technical solution of its technical problem：The fan mechanism include fan, driving motor,
Drive shaft, the fan are connected in the drive shaft, and the drive shaft is fixed on by bearing on the wall of the dirt pocket, institute
State driving motor described in driving axis connection.
The present invention solves the further technical solution of its technical problem：The clear dirt component includes the first dust brush, the
Two dust brushes, third dust brush, connecting shaft and clear dirt motor, first dust brush, the second dust brush, third dust brush connect
It is connected in the connecting shaft, the connecting shaft is connected to the output shaft of the clear dirt motor.
The present invention solves the further technical solution of its technical problem：The cabinet top plate is equipped with cover plate, the cover
Plate is arc panel, and end plate is equipped between cover plate and cabinet, and the gas outlet is arranged on end plate, and gas outlet is equipped with exhaust fan.
The present invention solves the further technical solution of its technical problem：The exhaust fan and the fan are two-way wind
Fan.
The present invention solves the further technical solution of its technical problem：The dust storage chamber is equipped with electrically operated gate, and electrically operated gate is led to
Cross control assembly control.
It is as follows that the present invention solves the technical solution that its technical problem uses：The dust-proof clear dust collecting method is including dust-proof process and clearly
Dirt process, the dust-proof process include the following steps,
S1. fan and exhaust fan power supply, fan air draught into cabinet, the outside air draft of exhaust fan are connected by control assembly；
S2. the power supply of absorption group is connected by control assembly, between the first adsorption electrode plate and the second adsorption electrode plate
Form electric field；
S3. air passes through the first filtering group, and the air with dust carries out primary filter dedusting through the first basket strainer, filters out
Larger-diameter dust；
S4. air enters electric field, and electric precipitation is completed under the action of electric field；
S5. air passes through the second filtering group, and completes whole grade filtering under the action of the second basket strainer and enter in cabinet；
The clear dirt process includes the following steps,
T1. fan and exhaust fan power supply are reversely connected by control assembly, fan air draft outside cabinet, exhaust fan is to cabinet
Interior air draught；
T2. control assembly opens the door of dust storage chamber, cuts off absorption group power supply, connects clear dirt component power supply, the first dust brush,
Second dust brush, third dust brush respectively carry out the dust on the first basket strainer, the second adsorption electrode plate, the second basket strainer clear
Reason, dust fall into dust storage chamber；
T3. air enters after dust-proof net filtration in cabinet, and the air in cabinet is passed through the second dedusting by fan all the way
Net, the second adsorption electrode plate, the first adsorption electrode plate, the first basket strainer are discharged through protection network, and another way is through the second basket strainer,
Outside two adsorption electrode plates, dust storage chamber discharge cabinet, dust can be taken out of under the action of air-flow, complete clear dirt process.
By using above-mentioned technical proposal, the present invention achieves following advantageous effect：It ensure that ring dustless in switchgear
Border, while can also realize the fully automatic operation of the clear dirt of dedusting, the labor intensity of worker is reduced, prevents safety caused by due to carelessness
Accident.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of dimensional structure diagram of invention switchgear；
Fig. 2 is the sectional view of switchgear in Fig. 1；
Fig. 3 is the partial enlarged view of A in Fig. 2；
It is specifically marked in figure as follows：
1st, cabinet；11st, cabinet door；12nd, air inlet；13rd, gas outlet；14th, cover plate；15th, end plate；2nd, dust-extraction unit；21st, dedusting
Room；22nd, dust storage chamber；23rd, dedusting component；231st, protection network；232nd, the first filtering group；233rd, absorption group；2331st, power supply；2332、
First adsorption electrode plate；2333rd, the second adsorption electrode plate；234th, the second filtering group；235th, fan mechanism；2351st, fan；
2352nd, drive shaft；2353rd, driving motor；2354th, bearing；236th, clear dirt component；2361st, the first dust brush；2362nd, second is clear
Dirt brush；2363rd, third dust brush；2364th, connecting shaft.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " are based on orientation shown in the drawings or position relationship or are somebody's turn to do
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
It solves to indicate or implying relative importance.
In addition, the terms such as term " level ", " vertical " are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to represent that the structure has been had to if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or one
Connect to body；Can be mechanical connection or electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
A kind of dust-proof high and low voltage switchgear, shown in refer to the attached drawing 1-3, which includes cabinet 1, is set on the cabinet 1
There are air inlet 12, cabinet door 11 and gas outlet 13, the air inlet 12 is equipped with dust-extraction unit 2, and the dust-extraction unit 2 includes dirt pocket
21st, dust storage chamber 22, dedusting component 23 and control assembly, the dedusting component 23 include protection network 231, the first filtering group 232, inhale
Attached group of the 233, second filtering group 234, fan mechanism 235, clear dirt component 236；The dedusting component 23 enters cabinet 1 for removing
Dust in interior air, and dust is entered clearly in the dust storage chamber 22, the protection network 231, the first filtering group 232, absorption group
233rd, the second filtering group 234, fan mechanism 235 are set in turn in from outside to inside in the dirt pocket 21, and the control assembly is used
In the working condition of control dedusting component 23, the gas outlet 13 is equipped with Air Filter.
As the preferred embodiment of the present invention, the first filtering group 232 includes the first basket strainer and the first support plate, described
Second filtering group 234 includes the second basket strainer and the second support plate, and the mesh number of second basket strainer is not more than the first basket strainer
Mesh number.First support plate can be supported the first basket strainer, and second support plate can be to the second basket strainer
It is supported, the first basket strainer and the second basket strainer are respectively filtered the dust of different-grain diameter, while the second basket strainer is also
It can prevent dust during dedusting from escaping into cabinet 1.
As the preferred embodiment of the present invention, first support plate and the second support plate are porous plate.Ensure air energy
Enough enter in cabinet 1
As the preferred embodiment of the present invention, the absorption group 233 includes the first adsorption electrode plate 2332, the second adsorption electrode
Plate 2333 and power supply 2331, the cathode of the power supply 2331 connect the first adsorption electrode plate 2332, anode connection second
Adsorption electrode plate 2333, the first adsorption electrode plate 2332 and the second adsorption electrode plate 2333 are porous plate.Pass through electric field
Effect, will be in dust adsorption to the second adsorption electrode plate 2333.
As the preferred embodiment of the present invention, the fan mechanism 235 includes fan 2351, driving motor 2353, drive shaft
2352, the fan 2351 is connected in the drive shaft 2352, and the drive shaft 2352 is fixed on described by bearing 2354
On the wall of dirt pocket 21, the drive shaft 2352 connects the driving motor 2353.By the setting of fan 2351, sky is increased
The velocity of liquid assets of gas, it is ensured that air can be unimpeded enters in cabinet 1.
Dust is cleared up in order to periodically facilitate, ensures the duration of dust removing effects.As the present invention preferred embodiment,
The clear dirt component 236 includes the first dust brush 2361, the second dust brush 2362, third dust brush 2363, connecting shaft.2364 with
And clear dirt motor, first dust brush 2361, the second dust brush 2362, third dust brush 2363 are connected to the connecting shaft.
On 2364, the connecting shaft.2364 are connected to the output shaft of the clear dirt motor.First dust brush 2361 is to the first dedusting
Net is cleared up, and second dust brush 2362 clears up the dust on the second adsorption electrode plate 2333, and the third is clear
Dirt brush 2363 is used to clear up the dust on the second basket strainer.
As the preferred embodiment of the present invention, the dust-extraction unit 2 is arranged on the middle and lower part of 1 side elevation of cabinet.By that will remove
Dirt device 2 is arranged on middle and lower part, can realize the complete circulation of the air of cabinet 1.
As the preferred embodiment of the present invention, if being equipped with dried layer partition board in the cabinet 1, the partition board is porous plate.Pass through
Partition board is arranged to porous plate, reduces inhibition of the partition board to air circulation.
As the preferred embodiment of the present invention, 1 top plate of cabinet is equipped with cover plate 14, and the cover plate 14 is arc panel, is covered
End plate 15 is equipped between plate 14 and cabinet 1, the gas outlet 13 is arranged on end plate 15, and gas outlet 13 is equipped with exhaust fan.Cover plate
14 setting, prevents dust from falling into.
As the preferred embodiment of the present invention, the exhaust fan and the fan 2351 are bidirectional fan 2351.By adopting
With bidirectional fan 2351, guarantee effectively to switch the function of air inlet 12 and gas outlet 13.
As the preferred embodiment of the present invention, the dust storage chamber 22 is equipped with electrically operated gate, and electrically operated gate is controlled by control assembly.It is logical
It crosses using electrically operated gate, it can be achieved that automatically controlling, guarantee dust can all blow out dust storage chamber 22.
A kind of dust-proof clear dust collecting method of high and low voltage switchgear, including dust-proof process and clear dirt process, the dust-proof process packet
Include following steps,
S1. 2351 power supply 2331 of fan 2351 and exhaust fan is connected by control assembly, fan 2351 is to 1 interior suction of cabinet
Wind, 2351 outside air draft of exhaust fan；
S2. the power supply 2331 of absorption group 233 is connected by control assembly, in the first adsorption electrode plate 2332 and the second absorption
Electric field is formed between electrode plate 2333；
S3. air passes through the first filtering group 232, and the air with dust carries out primary filter dedusting through the first basket strainer,
Filter out larger-diameter dust；
S4. air enters electric field, and electric precipitation is completed under the action of electric field；
S5. air passes through the second filtering group 234, and completes whole grade filtering under the action of the second basket strainer and enter cabinet 1
It is interior；
The clear dirt process includes the following steps,
T1. 2351 power supply 2331 of fan 2351 and exhaust fan is reversely connected by control assembly, fan 2351 is outside cabinet 1
Air draft, the air draught into cabinet 1 of exhaust fan 2351；
T2. control assembly opens the door of dust storage chamber 22, and 233 power supply 2331 of cut-out absorption group connects clear 236 power supply of dirt component
2331, the first dust brush 2361, the second dust brush 2362, third dust brush 2363 are respectively to the first basket strainer, the second absorption electricity
Dust on pole plate 2333, the second basket strainer is cleared up, and dust falls into dust storage chamber 22；
T3. air enters after dust-proof net filtration in cabinet 1, and fan 2351 is by the air in cabinet 1 all the way by the
Two basket strainers, the second adsorption electrode plate 2333, the first adsorption electrode plate 2332, the first basket strainer are discharged through protection network 231, another
The second basket strainer of road, the second adsorption electrode plate 2333, dust storage chamber 22 discharge cabinet 1 outside, dust can under the action of air-flow band
Go out, complete clear dirt process.
It by using the above method, it can be achieved that being filtered to air, while can automatically control, realize dedusting and clear dirt
Fully automatic operation.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of dust-proof high and low voltage switchgear, which is characterized in that including cabinet, the cabinet is equipped with air inlet, cabinet door and goes out
Gas port, the air inlet are equipped with dust-extraction unit, and the dust-extraction unit includes dirt pocket, dust storage chamber, dedusting component and control assembly,
The dedusting component includes protection network, the first filtering group, absorption group, the second filtering group, fan mechanism, clear dirt component；It is described to remove
Dirt component enters clearly dust in the dust storage chamber, the protection network, first for removing the dust entered in cabinet in air
Filtering group, absorption group, the second filtering group, fan mechanism are set in turn in from outside to inside in the dirt pocket, the control assembly
For controlling the working condition of dedusting component, the gas outlet is equipped with Air Filter.
2. dust-proof high and low voltage switchgear according to claim 1, which is characterized in that the first filtering group is removed including first
Dirt net and the first support plate, the second filtering group include the second basket strainer and the second support plate, the mesh of second basket strainer
Number is no more than the mesh number of the first basket strainer.
3. dust-proof high and low voltage switchgear according to claim 2, which is characterized in that first support plate and the second support
Plate is porous plate.
4. the dust-proof high and low voltage switchgear according to claim 1 or 3, which is characterized in that the absorption group includes first and inhales
Attached electrode plate, the second adsorption electrode plate and power supply, the cathode of the power supply connect the first adsorption electrode plate, anode connection
Second adsorption electrode plate, the first adsorption electrode plate and the second adsorption electrode plate are porous plate.
5. dust-proof high and low voltage switchgear according to claim 4, which is characterized in that the fan mechanism includes fan, drives
Dynamic motor, drive shaft, the fan are connected in the drive shaft, and the drive shaft is fixed on the dirt pocket by bearing
On wall, driving motor described in the driving axis connection.
6. dust-proof high and low voltage switchgear according to claim 5, which is characterized in that the clear dirt component includes the first clear dirt
Brush, the second dust brush, third dust brush, connecting shaft and clear dirt motor, first dust brush, the second dust brush, third are clear
Dirt brush is connected in the connecting shaft, and the connecting shaft is connected to the output shaft of the clear dirt motor.
7. dust-proof high and low voltage switchgear according to claim 6, which is characterized in that the cabinet top plate is equipped with cover plate,
The cover plate is arc panel, and end plate is equipped between cover plate and cabinet, and the gas outlet is arranged on end plate, and gas outlet is equipped with exhaust
Fan.
8. dust-proof high and low voltage switchgear according to claim 7, which is characterized in that the exhaust fan and the fan are
Bidirectional fan.
9. dust-proof high and low voltage switchgear according to claim 8, which is characterized in that the dust storage chamber is equipped with electrically operated gate, electricity
Dynamic door is controlled by control assembly.
10. a kind of dust-proof clear dust collecting method of dust-proof high and low voltage switchgear, including dust-proof process and clear dirt process, which is characterized in that
The dust-proof process includes the following steps：
S1. fan and exhaust fan power supply, fan air draught into cabinet, the outside air draft of exhaust fan are connected by control assembly；
S2. the power supply of absorption group is connected by control assembly, is formed between the first adsorption electrode plate and the second adsorption electrode plate
Electric field；
S3. air passes through the first filtering group, and the air with dust carries out primary filter dedusting through the first basket strainer, filters out larger
The dust of diameter；
S4. air enters electric field, and electric precipitation is completed under the action of electric field；
S5. air passes through the second filtering group, and completes whole grade filtering under the action of the second basket strainer and enter in cabinet；
The clear dirt process includes the following steps：
T1. fan and exhaust fan power supply are reversely connected by control assembly, fan air draft outside cabinet, exhaust fan is to cabinet interior suction
Wind；
T2. control assembly opens the door of dust storage chamber, cuts off absorption group power supply, connects clear dirt component power supply, the first dust brush, second
Dust brush, third dust brush respectively clear up the dust on the first basket strainer, the second adsorption electrode plate, the second basket strainer,
Dust falls into dust storage chamber；
T3. air enters after dust-proof net filtration in cabinet, and fan is by the air in cabinet all the way by the second basket strainer, the
Two adsorption electrode plates, the first adsorption electrode plate, the first basket strainer are discharged through protection network, and another way is inhaled through the second basket strainer, second
Outside attached electrode plate, dust storage chamber discharge cabinet, dust can be taken out of under the action of air-flow, complete clear dirt process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030155.8A CN108233191A (en) | 2018-01-12 | 2018-01-12 | A kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030155.8A CN108233191A (en) | 2018-01-12 | 2018-01-12 | A kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233191A true CN108233191A (en) | 2018-06-29 |
Family
ID=62640940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810030155.8A Pending CN108233191A (en) | 2018-01-12 | 2018-01-12 | A kind of dust-proof high and low voltage switchgear and its dust-proof clear dust collecting method |
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| CN (1) | CN108233191A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473874A (en) * | 2018-11-14 | 2019-03-15 | 李秋香 | A kind of building site temporary electrical power cabinet |
| CN111726014A (en) * | 2020-06-28 | 2020-09-29 | 荆门宁杰机电技术服务有限公司 | High-frequency inverter power supply with heat dissipation function |
| CN111944599A (en) * | 2020-08-18 | 2020-11-17 | 天长市天翔集团有限公司 | Device for recovering lubricating oil from planetary reduction gear |
| CN114112825A (en) * | 2021-11-23 | 2022-03-01 | 国网四川省电力公司信息通信公司 | Visual information computer lab automation fortune dimension equipment |
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Application publication date: 20180629 |