CN203966849U - Intermediate frequency power supply diverter switch - Google Patents

Intermediate frequency power supply diverter switch Download PDF

Info

Publication number
CN203966849U
CN203966849U CN201420425830.4U CN201420425830U CN203966849U CN 203966849 U CN203966849 U CN 203966849U CN 201420425830 U CN201420425830 U CN 201420425830U CN 203966849 U CN203966849 U CN 203966849U
Authority
CN
China
Prior art keywords
contact piece
group
intermediate frequency
power supply
frequency power
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.)
Expired - Lifetime
Application number
CN201420425830.4U
Other languages
Chinese (zh)
Inventor
蔡承家
朱亦蔚
陈宇
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.)
Shanghai Xinyan Industrial Equipment Co ltd
Original Assignee
SHANGHAI XINYAN INDUSTRY EQUIPMENT 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 SHANGHAI XINYAN INDUSTRY EQUIPMENT Co Ltd filed Critical SHANGHAI XINYAN INDUSTRY EQUIPMENT Co Ltd
Priority to CN201420425830.4U priority Critical patent/CN203966849U/en
Application granted granted Critical
Publication of CN203966849U publication Critical patent/CN203966849U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Switch Cases, Indication, And Locking (AREA)

Abstract

The utility model provides a kind of intermediate frequency power supply diverter switch, comprising: drive unit, at least one group of stationary contact piece group, with stationary contact piece group movable contact piece group, at least one group of float group and pedestal one to one; Stationary contact piece group comprises stationary contact piece, and stationary contact piece is fixed on the predeterminated position of pedestal; Movable contact piece group comprises movable contact piece, and unsteady group comprises that the axis of guide, the axis of guide are fixed on pedestal, and movable contact piece moves along the axis of guide; Drive unit drives movable contact piece to contact and separate with stationary contact piece.Its advantage is to realize the ability having under stable state by 12000A intermediate frequency peak current and isolation 3000V effective value voltage.Under zero load, carry out high voltage and large electric current to carry out stable state switching, can synchronously switch multichannel needs the large current signal under mutual high-voltage isolating operating mode.

Description

Intermediate frequency power supply diverter switch
Technical field
The utility model relates to a kind of intermediate frequency power supply diverter switch, particularly a kind of band automatically cleaning, the pneumatic diverter switch of water-cooled intermediate frequency power supply.
Background technology
The diverter switch of the large scale system of the large electric current of intermediate frequency power supply induction melting furnace must meet the following conditions: be applicable to exchange 50-1000Hz, rated voltage 3000V, rated current 12000A, make automatic connection and cut-out or insulating power supply, pneumatic control can realize the simultaneous operation of many switches, operation should be carried out under zero load, and the state output signal of this switch position is provided.
At present, in medium frequency induction melting furnace system, the control switch of controller switching equipment cannot stably meet above-mentioned requirements.
So, need the diverter switch of the large scale system of design a kind of applicable intermediate frequency power supply induction melting furnace large electric current badly, meet above-mentioned requirements.
Utility model content
The purpose of this utility model aims to provide a kind of intermediate frequency power supply diverter switch, to overcome the defect that exists of above-mentioned prior art.
The utility model provides a kind of intermediate frequency power supply diverter switch, comprising: drive unit, at least one group of stationary contact piece group, with stationary contact piece group movable contact piece group, at least one group of float group and pedestal one to one; Stationary contact piece group comprises stationary contact piece, and stationary contact piece is fixed on the predeterminated position of pedestal; Movable contact piece group comprises movable contact piece, and unsteady group comprises that the axis of guide, the axis of guide are fixed on pedestal, and movable contact piece moves along the axis of guide; Drive unit drives movable contact piece to contact and separate with stationary contact piece.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: movable contact piece group also comprises location-plate, and movable contact piece is fixed on location-plate; Location-plate has pilot hole.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: unsteady group also comprise, spring, back-up ring and unsteady thimble float; The axis of guide is through pilot hole; Spring housing is on the axis of guide; Float shield ring sleeve in one end of spring, and the laminating of the end face of one end and location-plate; The other end of tailstock barrel at spring floats; Drive unit drives the thimble that floats to move.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: drive unit is cylinder.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: drive unit is manual crank mechanism.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: stationary contact piece group also comprises cooling water pipe, is arranged in stationary contact piece.
Further, the utility model provides a kind of intermediate frequency power supply diverter switch, can also have such feature: also comprise position switch, be fixed on pedestal, induction intermediate frequency power supply diverter switch in opening or closed condition.
The beneficial effect of utility model
The utility model provides a kind of intermediate frequency power supply diverter switch, can automatically connect and cut off adopting high-pressure air source as power, cylinder, as drive unit, is connected to form pedestal by guide rod by two-layer fixed head, taking guide rod as the axis of guide, cylinder piston promotes movable contact block assembly and moves up and down.
The utility model provides a kind of intermediate frequency power supply diverter switch, for ensureing reliable contact area and the preload pressure between switch sound contact, the many groups of unsteady groups of band preload pressures that are completely independently made up of preload pressure spring, location-plate, the back-up ring that floats, the thimble that floats are installed in unsteady movable contact piece group.
The utility model provides a kind of intermediate frequency power supply diverter switch, the silver-plated processing of sound contact surface is the resistance minimum between sound contact, stationary contact piece contact place adopts water cooling, utilize again pneumatic original paper at when action muffler interface on electromagnetically operated valve for principle of exitting, remove and when muffler is changed hose coupling flexible pipe skirt and realized each switch motion to inflatable mouth between contact, switch contact is carried out to automatic air blowing and clean.As being exclusively used in the clean contact of control gas because the clean very few need of tolerance separately add an electromagnetically operated valve in the time that two switches of a solenoid control are above.
The utility model provides a kind of intermediate frequency power supply diverter switch, can realize the ability having under stable state by 12000A intermediate frequency peak current and isolation 3000V effective value voltage.Under zero load, carry out high voltage and large electric current to carry out stable state switching, can synchronously switch multichannel needs the large current signal under mutual high-voltage isolating operating mode.
In addition, the utility model provides a kind of intermediate frequency power supply diverter switch, the state output signal of service position, and can adopt as required identical parts combination in any to be extended to many groups contact.Be well positioned to meet at present one or more intermediate frequency power supply to cutting off needs between many induction furnaces.
The utility model provides a kind of intermediate frequency power supply diverter switch, also adopt manual crank mechanism to substitute cylinder, controlling two groups of unsteady movable contact pieces often opens or normally closed switch isolation, be mainly used in the control circuit of duplicate supply intermediate frequency power supply controller switching equipment, because duplicate supply intermediate frequency power supply is by the completely independently public a set of ballasting circuit of inverter circuit of two covers, in the time that a set of inverter circuit or intermediate frequency furnace need keep in repair, be to ensure safety need to cut off and ensure the another set of intermediate frequency furnace use of normally working being connected of ballasting circuit.Certainly, the utility model provides a kind of intermediate frequency power supply diverter switch can control the opening and closing of the intermediate frequency furnace of greater number.
Brief description of the drawings
Fig. 1 is the intermediate frequency power supply diverter switch stereogram of embodiment mono-.
Fig. 2 is that the intermediate frequency power supply diverter switch of embodiment mono-is partly cutd open figure.
Fig. 3 is the structural representation of the movable slider group of embodiment mono-and the group of floating.
Fig. 4 is the intermediate frequency power supply diverter switch stereogram of embodiment bis-.
Fig. 5 is the intermediate frequency power supply diverter switch profile of embodiment bis-.
Fig. 6 is the intermediate frequency power supply diverter switch left view of embodiment bis-.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment mono-
Fig. 1 is the intermediate frequency power supply diverter switch stereogram of embodiment mono-.
Fig. 2 is that the intermediate frequency power supply diverter switch of embodiment mono-is partly cutd open figure.
Fig. 3 is the structural representation of the movable slider group of embodiment mono-and the group of floating.
As shown in Figure 1, Figure 2 and Figure 3, intermediate frequency power supply diverter switch comprises: drive unit, one group of stationary contact piece group, one group of movable contact piece group, three groups of groups of floating, pedestal 50, the clean tracheae in contact and position switchs.
Drive unit is cylinder 11, is arranged on the top of pedestal 50.
Stationary contact piece group comprises stationary contact piece 21 and cooling water pipe 22.Stationary contact piece 21 is fixed on the base of pedestal 50.Cooling water pipe 22 is arranged in stationary contact piece 21, passes into cooling water, and stationary contact piece 21 is carried out to cooling down.
Movable contact piece group is corresponding with stationary contact piece group, comprises movable contact piece 31 and location-plate 32.Movable contact piece 31 is fixed on location-plate 32.Location-plate 32 has pilot hole.Movable contact piece 31 has the through hole concentric with location hole.Movable contact piece 31 can not be overall structure, can be Split type structure, is fixed on the both sides of location-plate 32.The movable contact piece of such structure is without punching, easy for installation.The precision of movable contact piece 31 in the present embodiment with through hole is higher.
Three groups of groups of floating are arranged on stationary contact piece central axis position, and wherein one group is arranged on center.Certainly the group of floating can only arrange one group, also can arrange two groups, mainly the actuating force of drive unit is passed to movable contact piece.
The every group of group of floating comprises the axis of guide 41, preload pressure spring 42, unsteady back-up ring 43 and unsteady thimble 44.The axis of guide 41 is vertically fixed on pedestal 11.The axis of guide 41 is through through hole on location-plate 32, also through the pilot hole on movable contact piece 31.Preload pressure spring 42 is enclosed within on the axis of guide 41.Float shield ring sleeve 43 in the lower end of preload pressure spring 42, fits in float end face of shield ring sleeve 43 and the upper surface of location-plate 32.The thimble 44 that floats is enclosed within the upper end of preload pressure spring 42.The thimble 44 that floats is subject to air cylinder driven.
The gas outlet of the clean tracheae 60 in contact is facing to the contact-making surface of stationary contact piece 21 and movable contact piece 31.Remove the dust of contact surface on stationary contact piece 21 and movable contact piece 31, ensure that between contact, contact performance is good.
Position switch 70 is fixed on the fixed head side on pedestal 11 upper stratas, selecting model is D2VW-5L1B=1 sensitive switch, detect the position signalling of moving contact, determine that intermediate frequency power supply diverter switch is in opening or closed condition, and can be by current intermediate frequency power supply diverter switch on off state communication to intermediate frequency power supply system.
Intermediate frequency power supply diverter switch operation principle:
Cylinder moves downward, and the thimble that will float pushes away downwards.Preload pressure spring is to lower compression, and the back-up ring that promotes to float moves down along the axis of guide.Location-plate floats under the acting in conjunction of organizing, and moves down.The movable contact piece being fixed on location-plate also moves down, until the contact of movable contact piece contacts with stationary contact piece contact, completes intermediate frequency power supply diverter switch opening process.
Cylinder moves upward, and the thimble that will float upwards draws.Preload pressure spring is subject to pulling force upwards, drives and floats back-up ring along the axis of guide upwards.Location-plate floats under the acting in conjunction of organizing, and moves up.The movable contact piece being fixed on location-plate also moves up, and the contact of movable contact piece and stationary contact piece contact separation, complete intermediate frequency power supply diverter switch closing process.
Certainly, stationary contact piece group is arranged on the upper end of pedestal, and cylinder is arranged on lower end.Starting upwards rise promotion movable contact piece upwards contacts with stationary contact piece.In addition, this structure also can be horizontally disposed with, and cylinder left and right drives movable contact piece to contact and separate with contact block.
Embodiment bis-
Fig. 4 is the intermediate frequency power supply diverter switch stereogram of embodiment bis-.
Fig. 5 is the intermediate frequency power supply diverter switch profile of embodiment bis-.
Fig. 6 is the intermediate frequency power supply diverter switch left view of embodiment bis-.
As shown in Figure 4, Figure 5 and Figure 6, intermediate frequency power supply diverter switch comprises: two groups of stationary contact piece groups, two groups of movable contact piece groups and six groups of groups of floating.Drive unit is manual crank mechanism 12, and miscellaneous part is identical with structure and the operation principle of embodiment mono-, is not described in detail.
The stationary contact piece 21-1 of one group of stationary contact piece group is arranged on the bottom of pedestal 50, and the stationary contact piece 21-2 of another group stationary contact piece group is arranged on the middle part of pedestal 50.
The movable contact piece 31-1 of one group of movable contact piece group is corresponding with stationary contact piece 21-1, and the movable contact piece 31-2 of another group movable contact piece group is corresponding with stationary contact piece 21-2.Six groups of groups 40 of floating are respectively three row, often classify two groups as, setting up and down.As shown in Figure 6, upper and lower two groups of groups 40 of floating share an axis of guide 41.Float group 40 driving movable contact piece 31-1 with stationary contact piece 21-1 contact and separate in lower end.Float group 40 driving movable contact piece 31-2 with stationary contact piece 21-2 contact and separate in upper end.
Manually crank mechanism 12 comprises handle 12-1, bent axle 12-2, impeller 12-3 and safety lock cover plate 12-4.
Handle 12-1 and bent axle 12-2 are hinged.Impeller 12-3 is fixed on the other end of bent axle 12-2, and is arranged on the upper end of the group of floating.Pull handle 12-1, by bent axle 12-2, control impeller 12-3 and move up and down, thereby drive the group 40 of floating to move up and down.Safety lock cover plate 12-4 covers on handle 12-1, plays a protective role, and prevents misoperation, pulls handle.
Stationary contact piece group and movable contact piece group can arrange greater number according to actual needs, control the opening and closing of many cover intermediate frequency furnaces simultaneously.

Claims (8)

1. an intermediate frequency power supply diverter switch, is characterized in that comprising:
Drive unit, at least one group of stationary contact piece group, with described stationary contact piece group movable contact piece group, at least one group of float group and pedestal one to one;
Described stationary contact piece group comprises stationary contact piece, and described stationary contact piece is fixed on the predeterminated position of described pedestal; Described movable contact piece group comprises movable contact piece, and described unsteady group comprises the axis of guide, and the described axis of guide is fixed on described pedestal, and described movable contact piece moves along the described axis of guide; Described drive unit drives described movable contact piece to contact and separate with described stationary contact piece.
2. intermediate frequency power supply diverter switch according to claim 1, is characterized in that: wherein, described movable contact piece group also comprises location-plate, and described movable contact piece is fixed on described location-plate; Described location-plate has pilot hole.
3. intermediate frequency power supply diverter switch according to claim 2, is characterized in that:
Wherein, described unsteady group also comprise, spring, back-up ring and unsteady thimble float;
The described axis of guide is through described pilot hole; Described spring housing is on the described axis of guide; Described unsteady shield ring sleeve is in one end of described spring, and the laminating of the end face of one end and described location-plate; Described unsteady tailstock barrel is at the other end of described spring; Described drive unit drives described unsteady thimble to move.
4. intermediate frequency power supply diverter switch according to claim 1, is characterized in that: wherein, described drive unit is cylinder.
5. intermediate frequency power supply diverter switch according to claim 1, is characterized in that: wherein, described drive unit is manual crank mechanism.
6. according to the intermediate frequency power supply diverter switch described in claim 1 to 5 any one, it is characterized in that: wherein, described stationary contact piece group also comprises cooling water pipe, is arranged in described stationary contact piece.
7. according to the intermediate frequency power supply diverter switch described in claim 1 to 5 any one, it is characterized in that:
Also comprise that contact cleans tracheae, the gas outlet of the clean tracheae in described contact is facing to the contact-making surface of described stationary contact piece and described movable contact piece.
8. according to the intermediate frequency power supply diverter switch described in claim 1 to 5 any one, it is characterized in that:
Also comprise position switch, be fixed on described pedestal, respond to described intermediate frequency power supply diverter switch in open or closed condition.
CN201420425830.4U 2014-07-30 2014-07-30 Intermediate frequency power supply diverter switch Expired - Lifetime CN203966849U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420425830.4U CN203966849U (en) 2014-07-30 2014-07-30 Intermediate frequency power supply diverter switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420425830.4U CN203966849U (en) 2014-07-30 2014-07-30 Intermediate frequency power supply diverter switch

Publications (1)

Publication Number Publication Date
CN203966849U true CN203966849U (en) 2014-11-26

Family

ID=51927402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420425830.4U Expired - Lifetime CN203966849U (en) 2014-07-30 2014-07-30 Intermediate frequency power supply diverter switch

Country Status (1)

Country Link
CN (1) CN203966849U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167308A (en) * 2014-07-30 2014-11-26 上海新研工业设备有限公司 Medium-frequency power switching switch
CN109220889A (en) * 2018-08-31 2019-01-18 安徽标王农牧有限公司 A kind of automatic cleaning deodorization device for poultry cultivation
CN111725010A (en) * 2020-07-10 2020-09-29 黄石市浩运矿山设备节能开发有限公司 Large-scale motor pneumatic contactor is used in mine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167308A (en) * 2014-07-30 2014-11-26 上海新研工业设备有限公司 Medium-frequency power switching switch
CN109220889A (en) * 2018-08-31 2019-01-18 安徽标王农牧有限公司 A kind of automatic cleaning deodorization device for poultry cultivation
CN109220889B (en) * 2018-08-31 2020-11-10 安徽标王农牧有限公司 A clear up deodorizing device automatically for poultry is bred
CN111725010A (en) * 2020-07-10 2020-09-29 黄石市浩运矿山设备节能开发有限公司 Large-scale motor pneumatic contactor is used in mine

Similar Documents

Publication Publication Date Title
CN203966849U (en) Intermediate frequency power supply diverter switch
CN102306590B (en) Arc extinguishing chamber of circuit breaker
CN108133852B (en) A kind of vacuum circuit breaker signal feedback mechanism
CN106216473A (en) A kind of electrical accessorie punch for manufacturing with automatic ejection function
CN104167308A (en) Medium-frequency power switching switch
CN106783253B (en) A kind of electric automatization switch
CN201401314Y (en) Automatic control switch of water pump
CN202102959U (en) Circuit breaker arc-extinguishing chamber
CN103982409B (en) Water pump constant pressure frequency conversion controller
CN207602466U (en) A kind of street lamp Quick eddy driving power control switch
CN205609430U (en) Ground control auto -passing phase separation system uses vacuum load switch
CN201041147Y (en) Piston type energy accumulator liquid level control transmission device
CN2488165Y (en) Vacuum circuit breaker
CN204141008U (en) The solenoid valve that a kind of fluid controls
CN115332004A (en) Isolating switch bird-proof device
CN104064392B (en) Portable single-phase air bypass switch
CN203983142U (en) Novel vacuum circuit breaker
CN208922995U (en) A kind of D.C. contactor
CN204242929U (en) A kind of outdoor cold-proof high-pressure vacuum breaker
CN207134318U (en) Plastic shell miniature circuit breaker
CN205920926U (en) Vacuum high voltage direct current contactor
CN204905174U (en) Be used for distribution network aassessment with distribution switch machinery status monitoring device
CN216719836U (en) High-voltage direct-current contactor
CN203950752U (en) The structure of contact terminal of electromagnetic contactor
CN213393555U (en) Pneumatic electromagnetic valve

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 201417 Fengxian District, Shanghai Road, No. 128

Patentee after: SHANGHAI XINYAN INDUSTRIAL EQUIPMENT CO.,LTD.

Address before: 201417 Fengxian District, Shanghai Road, No. 128

Patentee before: SHANGHAI XINYAN INDUSTRY EQUIPMENT Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20141126