CN110429499A - Outdoor intelligent large-scale switching station - Google Patents
Outdoor intelligent large-scale switching station Download PDFInfo
- Publication number
- CN110429499A CN110429499A CN201910784552.9A CN201910784552A CN110429499A CN 110429499 A CN110429499 A CN 110429499A CN 201910784552 A CN201910784552 A CN 201910784552A CN 110429499 A CN110429499 A CN 110429499A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- door body
- plate
- bottom plate
- switching station
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000006978 adaptation Effects 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- 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)
- Patch Boards (AREA)
Abstract
The present invention is intended to provide one kind is easy to use, maintenance is simple, good heat dissipation effect, highly-safe and high its dustproof and waterproof performance intelligent large size switching station in open air.The present invention includes cabinet, the top cover and adaptation for being packed in the top of the box be mounted on the cabinet and can lateral opening door body, the top cover includes the top plate of herringbone structure, bottom plate below the top plate and the connecting plate being fixedly connected respectively with the roof perimeter and the floor peripheral, the angle of the connecting plate and the bottom plate is greater than 90 degree, the surrounding of the bottom of box is equipped with several air inlet holes, ventilation hole is equipped between the bottom plate and the cabinet, the part that the bottom plate stretches out the cabinet is equipped with several to inclined heat release hole on the outside of the cabinet, the side of the heat release hole is equipped with the radiator fan being fixedly connected at the top of the bottom plate.The present invention is applied to the technical field of electrical cabinet.
Description
Technical field
The present invention relates to a kind of technical field of electrical cabinet, in particular to a kind of outdoor intelligent large-scale switching station.
Background technique
Electrical cabinet is widely used on industrial equipment, due to generate heat when the electrical vigour part in electrical cabinet works,
This partial heat needs cooling measure, on the other hand, and since the general operating voltage of electrical equipment is higher, exists to human body
Security risk needs to be closed again to electrical equipment, it is also necessary to have rain-proof measure and anti-theft measure, avoid artificial break
Bad, these are all the technical issues that need to address.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of easy to use, maintenance
Simply, good heat dissipation effect, highly-safe and high its dustproof and waterproof performance intelligent large-scale switching station in open air.
The technical scheme adopted by the invention is that: the present invention include cabinet, the top cover for being packed in the top of the box and
Adaptation be mounted on the cabinet and can lateral opening door body, the top cover includes the top plate of herringbone structure, is set to institute
The connecting plate stating the bottom plate below top plate and being fixedly connected respectively with the roof perimeter and the floor peripheral, the connection
The angle of plate and the bottom plate is greater than 90 degree, and the surrounding of the bottom of box is equipped with several air inlet holes, the bottom plate and institute
It states and is equipped with ventilation hole between cabinet, the part that the bottom plate stretches out the cabinet is equipped with several to inclination on the outside of the cabinet
Heat release hole, the side of the heat release hole is equipped with the radiator fan being fixedly connected at the top of the bottom plate.
By above scheme as it can be seen that the top plate of herringbone structure can effectively prevent the rainwater on rainy day on the top plate
Aggregation；Natural wind is entered from the air inlet hole in the cabinet, which drives the electricity being mounted in this electrical cabinet
Heat caused by gas equipment and the thermal current for forming rising, meanwhile, the radiator fan running forms draught head, can accelerate
The ascendant trend of the thermal current, thermal current are finally flowed out from the heat release hole, since the heat release hole is used to the case
The external inclined design in side, so that thermal current is flowed away from the direction of the cabinet, the heat dissipation for avoiding conventional vertical from being arranged
Hole heating compartment and the case where surrounding enviroment repeatedly, in addition, the heat release hole being obliquely installed can more prevent rainwater and dust into
Enter into the cabinet, further, the angle of the connecting plate and the bottom plate is greater than 90 degree, enables the connecting plate right
Thermal current is oriented to, and accelerates thermal current to diffuse up, compared with traditional electrical cabinet, the electrical cabinet of this programme can be quickly to electricity
Gas equipment cools down, radiating efficiency height and water proof and dust proof better effect；In addition, electrical equipment produces in cold day gas
Raw heat is easy to liquefy on the top plate, since the top plate designs for herringbone structure, so that liquid is in the top plate
It is flowed along the direction of the connecting plate, partially liq can be flowed out from the heat release hole, and liquid is effectively prevent to splash to electrically
Lead to the generation of safety accident in equipment, it is highly-safe.
One preferred embodiment is that the first arrangement room and second being connected respectively with the ventilation hole is equipped in the cabinet
Arrange room, be equipped with the partition that is fixedly connected with the cabinet between the first arrangement room and second arrangement room, it is described every
String holes is offered on plate, first arrangement room is equipped with ring network cabinet, and second arrangement room is equipped with power distribution cabinet, the distribution
The cable of cabinet is connect by passing through the string holes with the ring network cabinet electric signal.
By above scheme as it can be seen that looped network cabinet equipment and distribution cabinet equipment are separated, it is mutual when preventing equipment from operating
Electromagnetic interference, and equipment mutually independent design damages the feelings of another equipment when effectivelying prevent one equipment that fire occurs
Condition, meanwhile, it is also convenient for service personnel and carries out attended operation.
One preferred embodiment is the illumination that the inner wall of the top cover is equipped with sliding rail and adaptation is mounted on the sliding rail
Lamp, the headlamp can reciprocatingly slide on the direction of the first arrangement room to second arrangement room, the top cover
Top is equipped with receiving antenna, and first arrangement room is additionally provided with the DTU controller connecting with the receiving antenna electric signal, described
DTU controller is connect with the ring network cabinet, the power distribution cabinet and the headlamp electric signal respectively.
By above scheme as it can be seen that can be moved back and forth in the first arrangement room between second arrangement room by setting
The headlamp, convenient for daily maintenance work；In addition, by setting receiving antenna and the DTU controller, so that backstage
Staff can remotely issue signal and be received by the receiving antenna, and signal is finally transferred to the DTU controller
On, signal is judged by the DTU controller and control on or off is implemented to the ring network cabinet, the power distribution cabinet and the headlamp
Operating function, it is easy to operate, intelligence degree is high.
One preferred embodiment is, the door body includes the first door body, the second door body and third door body, first door body and
One side of the second door body hingedly cooperates on first arrangement room, and a side of the third door body hingedly cooperates in institute
It states on the second arrangement room, is fixed with lock on another side of first door body, second door body and the third door body
Body structure.
One preferred embodiment is that the lock body structure is using one of mechanical lock, electronic lock, recognition of face or Fingerprint Lock
Or a variety of combinations.
By above scheme as it can be seen that by the way that multiple door body are arranged, avoid large electric cabinet from configuring independent door body and cause door body mistake
In heavy situation, door body structure is opened convenient for personnel, is also convenient for daily upkeep operation；The setting of the lock body structure increases
Add the safety of this electrical cabinet.
One preferred embodiment is that the door body is equipped with visual window construction, and the visual window construction includes mounting plate, forms
And several pulleys, sliding slot is constituted between the mounting plate and door body, the pulley adaptation is mounted on the sliding slot, described
Forms are removably slidably fitted on the sliding slot.
By above scheme as it can be seen that the visual window construction uses the design of slide construction, it is conveniently replaceable the forms；Personnel
It can be by observing the display screen on electrical equipment by the forms, convenient for understanding the function situation of electrical equipment.
One preferred embodiment is that the cabinet is equipped with towards the cabinet outside simultaneously close to the edge of the air inlet hole upper end
The outer panel extended downwardly, the cabinet are equipped with towards the box inside close to the edge of the air inlet hole lower end and prolong upwards
The interior plate stretched, and connected between the interior plate and the cabinet in bending, the outer panel and the interior plate structure
At the air inlet hole.
By above scheme as it can be seen that the setting of the interior plate of the outer panel and bending, can effectively stop rainwater
It is splashed into and reduces dust to enter in the cabinet, further enhance the water proof and dust proof performance of this electrical cabinet.
One preferred embodiment is the shape of bottom plate rectangle in hollow structure, is set on the inner periphery of the bottom plate
Have along far from the bottom plate direction and upwardly-extending baffle.
By above scheme as it can be seen that shape is the setting of the rectangular bottom plate of hollow structure, hollow structure constitutes institute
Ventilation hole is stated, the heat dissipation effect of electrical equipment is greatly enhanced；The setting of the separate bottom plate in edge and the baffle upwardly extended,
The liquid that the top plate is formed in cold day gas, when flowing along the connecting plate direction, liquid is easy accumulation and splashes liquid
It falls, liquid is when splashing down, the setting of the baffle, can effectively prevent the liquid splashed down and enters the intracorporal electrical equipment of the case
On, further enhance the security performance of this electrical cabinet.
One preferred embodiment is that reinforced frame, the reinforcing frame are fixed on the inner wall of the cabinet and the door body
Frame includes several sequentially connected cubic frameworks.
By above scheme as it can be seen that being sequentially connected the door body formed by cubic framework, increase the fastness of door body structure.
One preferred embodiment is that storage box is fixed in the door body, and the storage box is equipped with v-shaped openings.
By above scheme as it can be seen that being equipped with the storage box in the door body, service personnel will can commonly be safeguarded
Tool is placed in the storage box, operation convenient for safeguarding；The design of the storage box of its v-shaped openings structure, convenient for identification
Maintenance tool.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the cross-sectional view of the top cover；
Fig. 3 is the cross-sectional view of the outer panel and the interior plate.
Specific embodiment
As shown in Figure 1 to Figure 3, in the present embodiment, the present invention includes cabinet 1, the top cover for being packed in 1 top of cabinet
2 and adaptation be mounted on the cabinet 1 and can lateral opening door body, the top cover 2 includes the top plate of herringbone structure
3, the bottom plate 4 below the top plate 3 and the company being fixedly connected respectively with 3 periphery of top plate and 4 periphery of the bottom plate
The angle of fishplate bar 5, the connecting plate 5 and the bottom plate 4 is greater than 90 degree, the surrounding of 1 bottom of cabinet equipped with several into
Air holes 6 is equipped with ventilation hole 7 between the bottom plate 4 and the cabinet 1, the part that the bottom plate 4 stretches out the cabinet 1 is equipped with
, to the 1 inclined heat release hole 8 in outside of cabinet, the side of the heat release hole 8 is equipped with to be fixed at the top of the bottom plate 4 for several
The radiator fan 9 of connection, in this design, connection place between the door body and the cabinet 1 is equipped with sealing ring.
The first arrangement room 10 being connected respectively with the ventilation hole 7 and the second arrangement room 11, institute are equipped in the cabinet 1
It states and is equipped with the partition 12 being fixedly connected with the cabinet 1, the partition between the first arrangement room 10 and second arrangement room 11
String holes is offered on 12, first arrangement room 10 is equipped with ring network cabinet, and second arrangement room 11 is equipped with power distribution cabinet, described
The cable of power distribution cabinet is connect by passing through the string holes with the ring network cabinet electric signal.
The headlamp 14 that the inner wall of the top cover 2 is equipped with sliding rail 13 and adaptation is mounted on the sliding rail 13, it is described
Headlamp 14 can reciprocatingly slide on the direction of the first arrangement room 10 to second arrangement room 11, the top cover 2
Top is equipped with receiving antenna 26, and first arrangement room 10 is additionally provided with the DTU control connecting with 26 electric signal of receiving antenna
Device 27, the DTU controller 27 are connect with the ring network cabinet, the power distribution cabinet and 14 electric signal of the headlamp respectively.
The door body includes the first door body 15, the second door body 16 and third door body 17, first door body 15 and second
One side of body 16 hingedly cooperates on first arrangement room 10, and a side of the third door body 17 hingedly cooperates in institute
It states on the second arrangement room 11, on another side of first door body 15, second door body 16 and the third door body 17
It is fixed with lock body structure 18, the lock body structure 18 uses one of mechanical lock, electronic lock, recognition of face or Fingerprint Lock or more
Kind combines.In this design, according to the quantity of the quantity of required determining door body and arrangement room.
The door body be equipped with visual window construction, the visual window construction include mounting plate 20, forms 19 and several
Pulley constitutes sliding slot between the mounting plate 20 and door body, the pulley adaptation is mounted on the sliding slot, and the forms 19 can
It is removably slidably fitted on the sliding slot.
The cabinet 1 is equipped with towards 1 outside of cabinet and extends downwardly outer close to the edge of 6 upper end of air inlet hole
Side plate 21, in the cabinet 1 is equipped with towards 1 inside of the cabinet and is upwardly extended close to the edge of 6 lower end of air inlet hole
Side plate 22, and connected between the interior plate 22 and the cabinet 1 in bending, the outer panel 21 and the interior plate 22
The air inlet hole 6 is constituted, in this design, the interior plate 22 and the outer panel 21 play the role of water proof and dust proof, and
It can play the role of guiding to natural wind.
The inner periphery of the shape rectangle in hollow structure of the bottom plate 4, the bottom plate 4 is equipped with along far from the bottom
4 direction of plate and upwardly-extending baffle 23.
Reinforced frame 24 is fixed on the cabinet 1 and the inner wall of the door body, the reinforced frame 24 includes several
A sequentially connected cubic framework.
Storage box 25 is fixed in the door body, the storage box 25 is equipped with v-shaped openings, described to set in this design
Object case 25 is also mountable on cabinet 1.
Claims (10)
1. a kind of outdoor intelligent large-scale switching station, it is characterised in that: it includes cabinet (1), is packed at the top of the cabinet (1)
Top cover (2) and adaptation be mounted on the cabinet (1) and can lateral opening door body, the top cover (2) includes herringbone
The top plate (3) of shape structure, be set to the top plate (3) below bottom plate (4) and respectively with the top plate (3) periphery and the bottom
The connecting plate (5) that plate (4) periphery is fixedly connected, the connecting plate (5) and the angle of the bottom plate (4) are greater than 90 degree, the case
The surrounding of body (1) bottom is equipped with several air inlet holes (6), and ventilation hole is equipped between the bottom plate (4) and the cabinet (1)
(7), the part that the bottom plate (4) stretches out the cabinet (1) is equipped with several to inclined heat release hole on the outside of the cabinet (1)
(8), the side of the heat release hole (8) is equipped with the radiator fan (9) being fixedly connected with the bottom plate (4) top.
2. the intelligent large-scale switching station in open air according to claim 1, it is characterised in that: be equipped with and divide in the cabinet (1)
Be not connected with the ventilation hole (7) first arrangement room (10) and second arrangement room (11), it is described first arrange room (10) and
It is equipped with the partition (12) being fixedly connected with the cabinet (1) between second arrangement room (11), is opened up on the partition (12)
There is string holes, first arrangement room (10) is equipped with ring network cabinet, and second arrangement room (11) is equipped with power distribution cabinet, the distribution
The cable of cabinet is connect by passing through the string holes with the ring network cabinet electric signal.
3. outdoor intelligent large-scale switching station according to claim 2, it is characterised in that: on the inner wall of the top cover (2)
Equipped with sliding rail (13) and the headlamp (14) that is mounted on the sliding rail (13) of adaptation, the headlamp (14) can be along described the
It reciprocatingly slides in one arrangement room (10) to the direction of second arrangement room (11), the top of the top cover (2), which is equipped with, to be received
Antenna (26), first arrangement room (10) are additionally provided with the DTU controller (27) connecting with the receiving antenna (26) electric signal,
The DTU controller (27) connect with the ring network cabinet, the power distribution cabinet and the headlamp (14) electric signal respectively.
4. outdoor intelligent large-scale switching station according to claim 2, it is characterised in that: the door body includes the first door body
(15), a side of the second door body (16) and third door body (17), first door body (15) and the second door body (16) is hinged
In first arrangement room (10), a side of the third door body (17) hingedly cooperates in second arrangement room for cooperation
(11) it on, is fixedly mounted on another side of first door body (15), second door body (16) and the third door body (17)
There are lock body structure (18).
5. outdoor intelligent large-scale switching station according to claim 4, it is characterised in that: the lock body structure (18) uses
One of mechanical lock, electronic lock, recognition of face or Fingerprint Lock or a variety of combinations.
6. outdoor intelligent large-scale switching station according to claim 1 or 4 or 5, it is characterised in that: the door body is equipped with
Visual window construction, the visual window construction include mounting plate (20), forms (19) and several pulleys, the mounting plate (20)
Sliding slot is constituted between door body, the pulley adaptation is mounted on the sliding slot, and the forms (19) are removably slidably matched
On the sliding slot.
7. outdoor intelligent large-scale switching station according to claim 1, it is characterised in that: the cabinet (1) is close to described
The edge of air inlet hole (6) upper end is equipped with towards the outer panel (21) cabinet (1) outside and extended downwardly, the cabinet (1)
Edge close to the air inlet hole (6) lower end is equipped with towards the interior plate (22) cabinet (1) inside and upwardly extended, and
It is connect between the interior plate (22) and the cabinet (1) in bending, the outer panel (21) and the interior plate (22) structure
At the air inlet hole (6).
8. outdoor intelligent large-scale switching station according to claim 1, it is characterised in that: the shape of the bottom plate (4) is in
The inner periphery of the rectangle of hollow structure, the bottom plate (4) is equipped with along far from the gear bottom plate (4) direction and upwardly extended
Plate (23).
9. outdoor intelligent large-scale switching station according to claim 1, it is characterised in that: the cabinet (1) and the door
It is fixed on the inner wall of body reinforced frame (24), the reinforced frame (24) includes several sequentially connected cubic frameworks.
10. outdoor intelligent large-scale switching station according to claim 1, it is characterised in that: be fixed with and set in the door body
Object case (25), the storage box (25) are equipped with v-shaped openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784552.9A CN110429499A (en) | 2019-08-23 | 2019-08-23 | Outdoor intelligent large-scale switching station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784552.9A CN110429499A (en) | 2019-08-23 | 2019-08-23 | Outdoor intelligent large-scale switching station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110429499A true CN110429499A (en) | 2019-11-08 |
Family
ID=68415776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784552.9A Pending CN110429499A (en) | 2019-08-23 | 2019-08-23 | Outdoor intelligent large-scale switching station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110429499A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110096A1 (en) * | 2019-12-05 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Recharge stand, battery system and electric tool |
| CN113241631A (en) * | 2021-05-06 | 2021-08-10 | 胡著杰 | Automatic emergency ring main unit based on face recognition technology and use method thereof |
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| CN204558953U (en) * | 2015-04-14 | 2015-08-12 | 丰顺县梅丰水电发展有限公司 | A kind of hydroelectric station Special distribution cabinet |
| CN204927899U (en) * | 2015-09-17 | 2015-12-30 | 曲靖东电电气有限公司 | Distribution box |
| CN205335641U (en) * | 2016-01-12 | 2016-06-22 | 陈一坚 | Electric power cabinet |
| CN105958355A (en) * | 2016-06-29 | 2016-09-21 | 杨云泉 | Box-type transformer substation |
| CN206041236U (en) * | 2016-08-26 | 2017-03-22 | 霍立克电气有限公司 | Outdoor looped netowrk cabinet |
| CN207518146U (en) * | 2017-11-15 | 2018-06-19 | 易霸科技(威海)股份有限公司 | A kind of change power distribution equipment with self-cooling function |
| CN210379948U (en) * | 2019-08-23 | 2020-04-21 | 广东瑞曼电气有限公司 | Outdoor intelligent large-scale switching station |
-
2019
- 2019-08-23 CN CN201910784552.9A patent/CN110429499A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204558953U (en) * | 2015-04-14 | 2015-08-12 | 丰顺县梅丰水电发展有限公司 | A kind of hydroelectric station Special distribution cabinet |
| CN204927899U (en) * | 2015-09-17 | 2015-12-30 | 曲靖东电电气有限公司 | Distribution box |
| CN205335641U (en) * | 2016-01-12 | 2016-06-22 | 陈一坚 | Electric power cabinet |
| CN105958355A (en) * | 2016-06-29 | 2016-09-21 | 杨云泉 | Box-type transformer substation |
| CN206041236U (en) * | 2016-08-26 | 2017-03-22 | 霍立克电气有限公司 | Outdoor looped netowrk cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021110096A1 (en) * | 2019-12-05 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Recharge stand, battery system and electric tool |
| CN113241631A (en) * | 2021-05-06 | 2021-08-10 | 胡著杰 | Automatic emergency ring main unit based on face recognition technology and use method thereof |
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