CN108418122A - One kind destaticing distribution box - Google Patents

One kind destaticing distribution box Download PDF

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Publication number
CN108418122A
CN108418122A CN201810422763.3A CN201810422763A CN108418122A CN 108418122 A CN108418122 A CN 108418122A CN 201810422763 A CN201810422763 A CN 201810422763A CN 108418122 A CN108418122 A CN 108418122A
Authority
CN
China
Prior art keywords
babinet
axis
distribution box
buckle frame
back side
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
Application number
CN201810422763.3A
Other languages
Chinese (zh)
Inventor
张云龙
张帆
马勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGKE TIANGONG ELECTRIC HOLDING Co Ltd
Original Assignee
ZHONGKE TIANGONG ELECTRIC HOLDING 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.)
Filing date
Publication date
Application filed by ZHONGKE TIANGONG ELECTRIC HOLDING Co Ltd filed Critical ZHONGKE TIANGONG ELECTRIC HOLDING Co Ltd
Priority to CN201810422763.3A priority Critical patent/CN108418122A/en
Publication of CN108418122A publication Critical patent/CN108418122A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F1/00Preventing the formation of electrostatic charges
    • H05F1/02Preventing the formation of electrostatic charges by surface treatment

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushes (AREA)

Abstract

The invention discloses one kind destaticing distribution box, including babinet, the back side of babinet is equipped with static removal hairbrush, the side of static removal hairbrush is equipped with side frame, the outside of side frame is equipped with slip pipe, and the top back side of babinet is equipped with apical axis, and one end of apical axis is equipped with guiding axis, guiding axis is mounted on one side of babinet, and slip pipe is sleeved on the peripheral surface of guiding axis;The top surface back side of babinet is equipped with buckle frame, and the side of buckle frame is equipped with button and manages, and button Guan Jun is sleeved on the peripheral surface of apical axis;Positioning plate is equipped between the top of buckle frame, positioning plate is equipped with hydraulic cylinder, and the lower part of hydraulic cylinder is equipped with piston rod, and the lower end of piston rod is mounted on the medium position of static removal hairbrush.The purpose of the present invention is to provide a kind of can be facilitated by static removal hairbrush, and scrub up and down is carried out outside the back side to babinet, the back side of babinet is carried out destaticing processing to convenient, babinet can also be carried out destaticing processing, substantially increase the security performance of the distribution box.

Description

One kind destaticing distribution box
Technical field
The present invention relates to a kind of distribution boxs, and in particular to one kind destaticing distribution box.
Background technology
Distribution box presses structure feature and purpose classification:(1)Stationary plane plate switch cabinet often claims switchboard or switchboard.It It is a kind of open-type switchgear for having panel to block, front has protective action, the back side and side to remain to touch live part, protection Grade is low, is only used for, to power supply continuity and the lower industrial and mining enterprises of reliability requirement, being used as transformer room's centrally connected power supply.(2) Protected switch cabinet refers in addition to mounting surface, a kind of low-tension switch cabinet that other all sides are all sealed.This cabinet The electrical equipments such as switch, protection and monitoring and controlling, are installed in a closure made of steel or insulating materials, reliably Wall is installed from wall.Quarantine measures can be not added in cabinet between every circuit, the metallic plate or insulation board of ground connection can also be used It is isolated.Usual door has mechanical interlocking with main switch operation.In addition protected type bench-type switchgear is gone back, control is housed on panel The electric appliances such as system, measurement, signal.Protected switch cabinet is mainly used as the power distribution equipment at technique scene.(3)Drawer-type switch cabinet.This Closure is made using steel plate in class switchgear, and the electric elements for passing in and out line loop are all mounted in the drawer that can be extracted out, are constituted It can complete the functional unit of certain a kind of power supply task.Between functional unit and busbar or cable, with the metallic plate or plastics of ground connection Manufactured feature board separates, and forms three busbar, functional unit and cable regions.Also there is isolation to arrange between each functional unit It applies.Drawer-type switch cabinet has higher reliability, safety and interchangeability, is more advanced switchgear, and switchgear majority is Refer to drawer-type switch cabinet.They are suitable for requiring the higher industrial and mining enterprises of power supply reliability, skyscraper, as central controlled Distribution center.(4)Power, light distribution control cabinet.Mostly closed right angle setting.Because of use occasion difference, shell protection etc. Grade is also different.Their power distribution equipments mainly as industrial and mining enterprises production scene.Existing distribution box, which does not have, destatics structure, Distribution box destatic inconvenient for operation, distribution box is carried out destaticing operating efficiency low.
Invention content
The purpose of the present invention is to provide a kind of can be facilitated by static removal hairbrush to be carried out outside the back side to babinet Lower scrub carries out destaticing processing, can also carry out destaticing processing to babinet, greatly improve to convenient to the back side of babinet The security performance of the distribution box destatics distribution box.
To achieve the above object, the present invention provides the following technical solutions:
One kind destatics distribution box, including babinet, and the back side of babinet is equipped with static removal hairbrush, static removal hairbrush in horizontally disposed, The side of static removal hairbrush is equipped with the first side frame, and the outside of the first side frame is equipped with the first slip pipe, and the first slip pipe is arranged vertically, removes The other side of electrostatic brush is equipped with the second side frame, and the outside of the second side frame is equipped with the second slip pipe, and the second slip pipe is arranged vertically, case The top back side of body is equipped with apical axis, and one end of apical axis is equipped with the first guiding axis, and the first guiding axis is mounted on one side of babinet, apical axis The other end be equipped with the second guiding axis, the second guiding axis be mounted on babinet another side;The top of first guiding axis and apical axis It is bending section between one end, is bending section between the top of the second guiding axis and the other end of apical axis;First slip pipe is sleeved on The peripheral surface of one guiding axis, the second slip pipe are sleeved on the peripheral surface of the second guiding axis;The top surface back side of babinet is equipped with first Buckle frame, the side of the first buckle frame are equipped with the first button and manage, and the other side of the first buckle frame is equipped with the second button and manages, and the top surface back of babinet is another Side is equipped with the second buckle frame, and the side of the second buckle frame is equipped with third button pipe, and the other side of the second buckle frame is equipped with the 4th button and manages, and first Button pipe, the second button pipe, third button pipe and the 4th button Guan Jun are sleeved on the peripheral surface of apical axis;The top of first buckle frame and the second buckle frame Positioning plate is equipped between portion, positioning plate is equipped with hydraulic cylinder, and the lower part of hydraulic cylinder is equipped with piston rod, and piston rod is arranged vertically, The lower end of piston rod is mounted on the medium position of static removal hairbrush.
Further, the back side of the babinet is internally equipped with ion wind stick, the back side centre position of babinet towards face position It internally towards face position positioning tube, is set in positioning tube and tunes axis, the outer end for tuning axis is mounted on the middle part of ion wind stick;Case The back side of body is internally equipped with the first check plate and the second check plate towards face position, and the first check plate is installed by the first grafting axis On babinet, the second check plate is mounted on by the second grafting axis on babinet;Ion wind stick is mounted on the first check plate and second On check plate.
Further, one end of the ion wind stick is equipped with the first operation ring, and the other end of ion wind stick is equipped with the second behaviour Make ring.
Further, the middle part of the apical axis is equipped with guide cylinder, and piston rod passes through the axial position of guide cylinder.
Further, the first fixed plate is equipped between the lower part and the top of babinet of first buckle frame.
Further, the second fixed plate is equipped between the lower part and the top of babinet of second buckle frame.
Further, the lower end of first guiding axis is equipped with the first spacing ring.
Further, the lower end of second guiding axis is equipped with the second spacing ring.
The technique effect and advantage of the present invention:Hydraulic cylinder controls piston rod and realizes that vertical telescopic adjustment, piston rod can be controlled Static removal hairbrush processed realizes that vertical lifting is adjusted, and can be facilitated by static removal hairbrush and carry out brush up and down outside the back side to babinet It washes, the back side of babinet is carried out destaticing processing to convenient, babinet can also be carried out to destatic processing, substantially increase this The security performance of distribution box;First buckle frame passes through third button Guan Yu tetra- by the first button pipe and the second button pipe and the second buckle frame Button pipe, which can facilitate, securely installs apical axis, is securely installed with the second guiding axis by the first guiding axis of apical axis pair; First slip pipe realizes that vertical sliding is adjusted along the first guiding axis, and the second slip pipe realizes vertical sliding tune along the second guiding axis Section, so as to so that static removal hairbrush vertical sliding stability is better.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, one kind destaticing distribution box, including babinet 11, the back side of babinet 11 is equipped with static removal hairbrush 12, removes For electrostatic brush 12 in horizontally disposed, the side of static removal hairbrush 12 is equipped with the first side frame 13, and the outside of the first side frame 13 is equipped with the One slip pipe 14, the first slip pipe 14 are arranged vertically, and the other side of static removal hairbrush 12 is equipped with the second side frame 15, the second side frame 15 Outside is equipped with the second slip pipe 16, and the second slip pipe 16 is arranged vertically, and the top back side of babinet 11 is equipped with apical axis 17, and the one of apical axis 17 End is equipped with the first guiding axis 18, and the first guiding axis 18 is mounted on one side of babinet 11, and the other end of apical axis 17 is equipped with second and is oriented to Axis 20, the second guiding axis 20 are mounted on the another side of babinet 11;It is between the top and one end of apical axis 17 of first guiding axis 18 Bending section is bending section between the top and the other end of apical axis 17 of the second guiding axis 20;First slip pipe 14 is sleeved on first and leads To the peripheral surface of axis 18, the second slip pipe 16 is sleeved on the peripheral surface of the second guiding axis 20;The top surface back side of babinet 11 is equipped with The side of first buckle frame 22, the first buckle frame 22 is equipped with the first button pipe 24, and the other side of the first buckle frame 22 is equipped with the second button pipe 25, case The top surface back other side of body 11 is equipped with the second buckle frame 26, and the side of the second buckle frame 26 is equipped with third button pipe 28, the second buckle frame 26 The other side be equipped with the 4th button pipe 29, first button pipe 24, second detain pipe 25, third button pipe 28 and the 4th detain pipe 29 be sleeved on The peripheral surface of apical axis 17;Positioning plate 30 is equipped between first buckle frame 22 and the top of the second buckle frame 26, positioning plate 30 is equipped with liquid The lower part of cylinder pressure 31, hydraulic cylinder 31 is equipped with piston rod 32, and piston rod 32 is arranged vertically, and the lower end of piston rod 32 is mounted on except quiet On the medium position of electric hairbrush 12;The back side of babinet 11 is internally equipped with ion wind stick 34 towards face position, in the back side of babinet 11 Between position internally towards face position positioning tube 35, be set in positioning tube 35 and tune axis 36, tune axis 36 outer end be mounted on from The middle part of sub- wind stick 34;The back side of babinet 11 internally towards face position be equipped with the first check plate 37 and the second check plate 39, first Check plate 37 is mounted on by the first grafting axis 38 on babinet 11, and the second check plate 39 is mounted on babinet by the second grafting axis 40 On 11;Ion wind stick 34 is mounted on the first check plate 37 and the second check plate 39;One end of ion wind stick 34 is equipped with the first behaviour Make ring 41, the other end of ion wind stick 34 is equipped with the second operation ring 42;The middle part of apical axis 17 is equipped with guide cylinder 33, and piston rod 32 is worn Cross the axial position of guide cylinder 33;The first fixed plate 23 is equipped between the lower part and the top of babinet 11 of first buckle frame 22;Second The second fixed plate 27 is equipped between the lower part and the top of babinet 11 of buckle frame 26;The lower end of first guiding axis 18 is equipped with the first limit Ring 19;The lower end of second guiding axis 20 is equipped with the second spacing ring 21.
The present invention destatics distribution box, and hydraulic cylinder 31 controls piston rod 32 and realizes vertical telescopic adjustment, and piston rod 32 can be with Control static removal hairbrush 12 realize vertical lifting adjust, by static removal hairbrush 12 can facilitate outside the back side to babinet 11 into Row scrub up and down, carries out destaticing processing, can also carry out destaticing processing to babinet 11 to convenient to the back side of babinet 11, Substantially increase the security performance of the distribution box;First buckle frame 22 detains pipe 25 and the second buckle frame by the first button pipe 24 and second 26 can be facilitated and securely be installed to apical axis 17 by third button pipe 28 and the 4th button pipe 29, be oriented to first by apical axis 17 Axis 18 is securely installed with the second guiding axis 20;First slip pipe 14 realizes that vertical sliding is adjusted along the first guiding axis 18, the Two slip pipes 16 realize that vertical sliding is adjusted along the second guiding axis 20, so as to so that 12 vertical sliding stability of static removal hairbrush Better.
Wherein, the back side of babinet 11 is internally equipped with ion wind stick 34, the back side centre position pair of babinet 11 towards face position Interior to be set in positioning tube 35 and tune axis 36 towards face position positioning tube 35, the outer end for tuning axis 36 is mounted on ion wind stick 34 Middle part;The back side of babinet 11 is internally equipped with the first check plate 37 and the second check plate 39, the first check plate 37 towards face position It is mounted on babinet 11 by the first grafting axis 38, the second check plate 39 is mounted on by the second grafting axis 40 on babinet 11;From Sub- wind stick 34 is mounted on the first check plate 37 and the second check plate 39;One end of ion wind stick 34 is equipped with the first operation ring 41, The other end of ion wind stick 34 is equipped with the second operation ring 42;So the middle part of ion wind stick 34 is by tuning axis 36 around positioning tube 35 It realizes rotation, can facilitate and circular motion is carried out to ion wind stick 34, so as to be carried out inside the convenient back side to babinet 11 Processing is destaticed, and can be facilitated by the first check plate 37 and the second check plate 39 again and stop behaviour is carried out to ion wind stick 34 Control.
Wherein, the middle part of apical axis 17 is equipped with guide cylinder 33, and piston rod 32 passes through the axial position of guide cylinder 33;So passing through Guide cylinder 33 can make 32 the moving stability of piston rod better.
Wherein, the both ends of static removal hairbrush 12 are tip-angled shape, and the internal of the first slip pipe 14 is equipped with the first card towards face position Slot, the internal of the second slip pipe 16 are equipped with the second card slot towards face position, and one end of static removal hairbrush 12 is connected in the first card slot, The other end of static removal hairbrush 12 is connected in the second card slot;So can securely be blocked to the both ends of static removal hairbrush 12 It connects.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (8)

1. one kind destaticing distribution box, including babinet(11), it is characterised in that:Babinet(11)The back side be equipped with static removal hairbrush (12), static removal hairbrush(12)In horizontally disposed, static removal hairbrush(12)Side be equipped with the first side frame(13), the first side frame (13)Outside be equipped with the first slip pipe(14), the first slip pipe(14)It is arranged vertically, static removal hairbrush(12)The other side be equipped with Second side frame(15), the second side frame(15)Outside be equipped with the second slip pipe(16), the second slip pipe(16)It is arranged vertically, babinet (11)The top back side be equipped with apical axis(17), apical axis(17)One end be equipped with the first guiding axis(18), the first guiding axis(18)Peace Mounted in babinet(11)One side, apical axis(17)The other end be equipped with the second guiding axis(20), the second guiding axis(20)Mounted on case Body(11)Another side;First guiding axis(18)Top and apical axis(17)One end between be bending section, the second guiding axis (20)Top and apical axis(17)The other end between be bending section;First slip pipe(14)It is sleeved on the first guiding axis(18)It is outer Circumferential surface, the second slip pipe(16)It is sleeved on the second guiding axis(20)Peripheral surface;Babinet(11)Top surface back side be equipped with first Buckle frame(22), the first buckle frame(22)Side be equipped with first button manage(24), the first buckle frame(22)The other side be equipped with second button manage (25), babinet(11)The top surface back other side be equipped with the second buckle frame(26), the second buckle frame(26)Side be equipped with third button pipe (28), the second buckle frame(26)The other side be equipped with the 4th button manage(29), the first button pipe(24), second button pipe(25), third button pipe (28)And the 4th button pipe(29)It is sleeved on apical axis(17)Peripheral surface;First buckle frame(22)With the second buckle frame(26)Top Between be equipped with positioning plate(30), positioning plate(30)It is equipped with hydraulic cylinder(31), hydraulic cylinder(31)Lower part be equipped with piston rod(32), Piston rod(32)It is arranged vertically, piston rod(32)Lower end be mounted on static removal hairbrush(12)Medium position on.
2. according to claim 1 destatic distribution box, it is characterised in that:Babinet(11)The back side internally towards face position Equipped with ion wind stick(34), babinet(11)The back side among position internally towards face position positioning tube(35), positioning tube(35)It is interior It is set with and tunes axis(36), tune axis(36)Outer end be mounted on ion wind stick(34)Middle part;Babinet(11)The back side it is internal It is equipped with the first check plate towards face position(37)With the second check plate(39), the first check plate(37)Pass through the first grafting axis(38) Mounted on babinet(11)On, the second check plate(39)Pass through the second grafting axis(40)Mounted on babinet(11)On;Ion wind stick (34)Mounted on the first check plate(37)With the second check plate(39)On.
3. according to claim 2 destatic distribution box, it is characterised in that:Ion wind stick(34)One end be equipped with first behaviour Make ring(41), ion wind stick(34)The other end be equipped with second operation ring(42).
4. according to claim 1 destatic distribution box, it is characterised in that:Apical axis(17)Middle part be equipped with guide cylinder (33), piston rod(32)Across guide cylinder(33)Axial position.
5. according to claim 1 destatic distribution box, it is characterised in that:First buckle frame(22)Lower part and babinet(11) Top between be equipped with the first fixed plate(23).
6. according to claim 1 destatic distribution box, it is characterised in that:Second buckle frame(26)Lower part and babinet(11) Top between be equipped with the second fixed plate(27).
7. according to claim 1 destatic distribution box, it is characterised in that:First guiding axis(18)Lower end be equipped with first Spacing ring(19).
8. according to claim 1 destatic distribution box, it is characterised in that:Second guiding axis(20)Lower end be equipped with second Spacing ring(21).
CN201810422763.3A 2018-05-05 2018-05-05 One kind destaticing distribution box Pending CN108418122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810422763.3A CN108418122A (en) 2018-05-05 2018-05-05 One kind destaticing distribution box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810422763.3A CN108418122A (en) 2018-05-05 2018-05-05 One kind destaticing distribution box

Publications (1)

Publication Number Publication Date
CN108418122A true CN108418122A (en) 2018-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810422763.3A Pending CN108418122A (en) 2018-05-05 2018-05-05 One kind destaticing distribution box

Country Status (1)

Country Link
CN (1) CN108418122A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115025831A (en) * 2022-06-20 2022-09-09 刘晓羽 Electrostatic protection device for electricity test

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Publication number Priority date Publication date Assignee Title
DE29610694U1 (en) * 1996-06-18 1997-07-17 Siemens AG, 80333 München Subrack with means for discharging electrostatic voltages in pluggable modules
CN202918577U (en) * 2012-11-30 2013-05-01 东旭集团有限公司 Static elimination devices of interleaving paper used for glass substrate packing
CN203281446U (en) * 2013-06-08 2013-11-13 厦门强力巨彩光电科技有限公司 Semi-automatic conformal coating brushing device
CN203465490U (en) * 2013-08-16 2014-03-05 昆山龙腾光电有限公司 Static electricity removing device and antistatic friction orienting system
CN203791272U (en) * 2014-04-24 2014-08-27 东旭集团有限公司 Dedusting and destatic device used for edge of liquid crystal glass substrate
CN204448779U (en) * 2015-01-16 2015-07-08 东莞市慧江平成机械有限公司 Reciprocating automatic electrostatic dust collection cabinet
CN206264585U (en) * 2016-12-20 2017-06-20 重庆崇伟商贸有限公司 A kind of dust arrester of printing machinery
CN206447340U (en) * 2017-02-15 2017-08-29 广东新佳兴包装材料有限公司 A kind of polypropylene film destatics apparatus for coating
CN206879174U (en) * 2017-04-20 2018-01-12 天津涂冠科技有限公司 A kind of vacuum coating equipment aluminizer Destaticizing device
CN107757101A (en) * 2017-10-29 2018-03-06 陈雪峰 A kind of printing equipment Destaticizing device
CN207283894U (en) * 2017-09-29 2018-04-27 苏州罗格特光电科技有限公司 Insulate patch elimination electrostatic equipment

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29610694U1 (en) * 1996-06-18 1997-07-17 Siemens AG, 80333 München Subrack with means for discharging electrostatic voltages in pluggable modules
CN202918577U (en) * 2012-11-30 2013-05-01 东旭集团有限公司 Static elimination devices of interleaving paper used for glass substrate packing
CN203281446U (en) * 2013-06-08 2013-11-13 厦门强力巨彩光电科技有限公司 Semi-automatic conformal coating brushing device
CN203465490U (en) * 2013-08-16 2014-03-05 昆山龙腾光电有限公司 Static electricity removing device and antistatic friction orienting system
CN203791272U (en) * 2014-04-24 2014-08-27 东旭集团有限公司 Dedusting and destatic device used for edge of liquid crystal glass substrate
CN204448779U (en) * 2015-01-16 2015-07-08 东莞市慧江平成机械有限公司 Reciprocating automatic electrostatic dust collection cabinet
CN206264585U (en) * 2016-12-20 2017-06-20 重庆崇伟商贸有限公司 A kind of dust arrester of printing machinery
CN206447340U (en) * 2017-02-15 2017-08-29 广东新佳兴包装材料有限公司 A kind of polypropylene film destatics apparatus for coating
CN206879174U (en) * 2017-04-20 2018-01-12 天津涂冠科技有限公司 A kind of vacuum coating equipment aluminizer Destaticizing device
CN207283894U (en) * 2017-09-29 2018-04-27 苏州罗格特光电科技有限公司 Insulate patch elimination electrostatic equipment
CN107757101A (en) * 2017-10-29 2018-03-06 陈雪峰 A kind of printing equipment Destaticizing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115025831A (en) * 2022-06-20 2022-09-09 刘晓羽 Electrostatic protection device for electricity test
CN115025831B (en) * 2022-06-20 2023-10-20 国网新疆电力有限公司奎屯供电公司 Electrostatic protection device for electrical test

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Application publication date: 20180817