CN109524279A - A kind of novel energy-conserving fuse - Google Patents

A kind of novel energy-conserving fuse Download PDF

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Publication number
CN109524279A
CN109524279A CN201811419697.0A CN201811419697A CN109524279A CN 109524279 A CN109524279 A CN 109524279A CN 201811419697 A CN201811419697 A CN 201811419697A CN 109524279 A CN109524279 A CN 109524279A
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CN
China
Prior art keywords
shell
contact
interior
fixedly connected
electromagnet
Prior art date
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Granted
Application number
CN201811419697.0A
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Chinese (zh)
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CN109524279B (en
Inventor
刘培成
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Yuandong Electrical Appliance Group Co ltd
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Individual
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Priority to CN201811419697.0A priority Critical patent/CN109524279B/en
Publication of CN109524279A publication Critical patent/CN109524279A/en
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Publication of CN109524279B publication Critical patent/CN109524279B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/122Automatic release mechanisms with or without manual release actuated by blowing of a fuse
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/0241Structural association of a fuse and another component or apparatus

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Fuses (AREA)

Abstract

The invention discloses a kind of novel energy-conserving fuses, including shell, electromagnet is installed in the shell, coil is wound on the electromagnet, interior fixed frame is symmetrically installed at left and right sides of the electromagnet, the interior fixed frame is connected with output lead far from the side of coil, the output lead passes through shell, the output lead is fixedly connected with external contact, the interior loop is fixedly connected with interior contact, intermediate contact is installed between the interior contact and external contact, is electrical connection between the interior contact, intermediate contact and external contact.The present invention utilizes Ampere's law, the size of electric current is directly proportional to magnetic field size, to which when overload problem occurs in circuit, magnetic force can also become larger accordingly, overcome spring force using magnetic attraction, under the cooperation of linkage structure, so that circuit disconnects automatically, simultaneously because may be reused, resource can be effectively saved, the displacement of fuse repeatedly is avoided, resource is saved.

Description

A kind of novel energy-conserving fuse
Technical field
The present invention relates to fuse technologies field more particularly to a kind of novel energy-conserving fuses.
Background technique
Fuse refers to when electric current is more than specified value, so that melt is fused with the heat that itself is generated, the one of disconnecting circuit Kind of electric appliance, fuse is according to electric current be more than specified value for a period of time after, Melt molten is made with the heat that its own is generated, thus Disconnect circuit, with a kind of current protector made of this principle, fuse be widely used in high and low voltage electric distribution system and It is using one of most common protection device as the protector of short circuit and overcurrent in control system and electrical equipment.
Fuse during use, has electric current to pass through always, and can generate heat, using the time is longer or moment Electric current is larger, when can not limiting, can be broken automatically inside fuse, disconnecting circuit, so that circuit is protected, but circuit one Denier disconnects, then replaces new fuse, fuse can only be disposable, cannot reuse, more wasteful resource.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, such as: fuse is generally disposable, Fuse accordingly will also damage if circuit overloads, and a kind of novel energy-conserving fuse proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of novel energy-conserving fuse, including shell are equipped with electromagnet in the shell, are wound on the electromagnet Coil is symmetrically installed interior fixed frame at left and right sides of the electromagnet, and the interior fixed frame is connected with defeated far from the side of coil Conducting wire out, the output lead pass through shell, and the output lead is fixedly connected with external contact, and the interior loop is fixedly connected with Interior contact is equipped with intermediate contact, is between the interior contact, intermediate contact and external contact between the interior contact and external contact Electrical connection, the side of the intermediate contact are fixedly connected with slide-bar, second spring are socketed on the slide-bar, and the slide-bar passes through Shell, the other side of the intermediate contact are fixedly connected with universal driving shaft, have been fixedly attached limit on the universal driving shaft and slide-bar Set, the universal driving shaft also passes through shell, and the both ends of the coil are plugged in respectively in interior fixed frame, and up and down the two of the electromagnet End is symmetrically arranged with metal plate, and the inner wall of the shell is fixedly connected with limit shaft corresponding with metal plate, and the limit shaft is worn Metal plate is crossed, the first spring is connected between the metal plate and shell, two metal plate central symmetries are fixedly connected with Clump weight, two metal plates are fixedly connected with fixing axle far from one end of clump weight, be fixedly installed in the shell with The corresponding fixing sleeve of fixing axle, the fixing axle are plugged in fixing sleeve, and the universal driving shaft is installed far from one end of intermediate contact Have a fixed block, sliding is inserted with sliding block in the fixed block, and one end of the sliding block is plugged in fixing sleeve, the sliding block it is another One end is fixedly connected with pulling shaft.
Preferably, the inner wall of the fixed block side is provided with multiple turn troughs, and ball is equipped in the turn trough, described solid Determine to offer sliding slot on the inner wall of the block other side, limited block corresponding with sliding slot, the limit are fixedly connected on the sliding block Block is slidably connected with sliding slot.
Preferably, the limit sleeve being arranged on slide-bar is located at close to the side of intermediate contact, is arranged on universal driving shaft The limit sleeve be located remotely from the side of intermediate contact, two limit sleeves are installed in shell, the second spring One end be fixedly connected with the casing, the other end of the second spring is fixedly connected with limit sleeve.
Preferably, the two sides of the shell symmetrically offer opening, are connected with mounting blocks in two openings.
Compared with prior art, the beneficial effects of the present invention are: using Ampere's law, the size of electric current and magnetic field size at Direct ratio overcomes spring bullet using magnetic attraction so that magnetic force can also become larger accordingly when overload problem occurs in circuit Power, so that circuit disconnects automatically, simultaneously because may be reused, can effectively save money under the cooperation of linkage structure Source avoids the displacement of fuse repeatedly, saves resource.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of novel energy-conserving fuse proposed by the present invention;
Fig. 2 is the structural schematic diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram in Fig. 1 at B.
In figure: 1 mounting blocks, 2 output leads, 3 shells, 4 electromagnet, 5 coils, fixed frame in 6,7 universal driving shafts, 8 fixing sleeves, 9 fixing axles, 10 clump weights, 11 metal plates, 12 limit shafts, 13 first springs, 14 slide-bars, 15 pulling shafts, 16 second springs, 17 interior touchings Point, 18 intermediate contacts, 19 limit sleeves, 20 external contacts, 21 fixed blocks, 22 balls, 23 sliding blocks.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, a kind of novel energy-conserving fuse, including shell 3, the two sides of shell 3 symmetrically offer opening, and two It is connected with mounting blocks 1 in opening, electromagnet 4 is installed in shell 3, coil 5, the left and right of electromagnet 4 are wound on electromagnet 4 Two sides are symmetrically installed interior fixed frame 6, and interior fixed frame 6 is connected with output lead 2 far from the side of coil 5, and output lead 2 passes through shell Body 3, output lead 2 are fixedly connected with external contact 20, and interior loop 5 is fixedly connected with interior contact 17, interior contact 17 and external contact 20 Between intermediate contact 18 is installed, between interior contact 17, intermediate contact 18 and external contact 20 for electrical connection, the one of intermediate contact 18 Side is fixedly connected with slide-bar 14, is socketed with second spring 16 on slide-bar 14, and slide-bar 14 passes through shell 3, intermediate contact 18 it is another Side is fixedly connected with universal driving shaft 7, has been fixedly attached limit sleeve 19 on universal driving shaft 7 and slide-bar 14, the limit on slide-bar 14 is arranged in Position set 19 is located at close to the side of intermediate contact 18, and the limit sleeve 19 being arranged on universal driving shaft 7 is located remotely from intermediate contact 18 Side, two limit sleeves 19 are installed in shell 3, and one end of second spring 16 is fixedly connected with shell 3, second spring 16 The other end is fixedly connected with limit sleeve 19, and universal driving shaft 7 also passes through shell 3;
The both ends of coil 5 are plugged in respectively in interior fixed frame 6, and the upper and lower ends of electromagnet 4 are symmetrically arranged with metal plate 11, The inner wall of shell 3 is fixedly connected with limit shaft 12 corresponding with metal plate 11, and limit shaft 12 passes through metal plate 11, metal plate 11 with The first spring 13 is connected between shell 3, two 11 central symmetries of metal plate are fixedly connected with clump weight 10, two metal plates 11 One end far from clump weight 10 is fixedly connected with fixing axle 9, and fixing sleeve 8 corresponding with fixing axle 9 is fixedly installed in shell 3, Fixing axle 9 is plugged in fixing sleeve 8;
Universal driving shaft 7 is equipped with fixed block 21 far from one end of intermediate contact 18, and sliding is inserted with sliding block 23 in fixed block 21, One end of sliding block 23 is plugged in fixing sleeve 8, and the other end of sliding block 23 is fixedly connected with pulling shaft 15, the inner wall of 21 side of fixed block Multiple turn troughs are provided with, ball 22 is installed in turn trough, sliding slot is offered on the inner wall of 21 other side of fixed block, is consolidated on sliding block 23 Surely it is connected with limited block corresponding with sliding slot, limited block is slidably connected with sliding slot, and multiple balls 22 contact with each other with sliding block 23, energy Enough reduce the frictional force that sliding block 23 moves in fixed block 21, limited block slides in sliding slot, plays the role of limit.
Shell 3 is connected into circuit, two output leads 2 and connection, under normal circuit situation, interior contact 17, in Between the contact electrical connection between each other of contact 18 and external contact 20, electric current is from the output lead 2 of side by coil 5 from the other side Output lead 2 flows out, and due to having electric current to pass through on coil 5, according to Ampere's law, the size of electric current is directly proportional to magnetic field size, Magnetic field then will be generated on corresponding electromagnet 4, so that electromagnet 4 has magnetism, since the position of electromagnet 4 is fixed, The metal plate 11 at 4 both ends of electromagnet can be close to electromagnet 4 under magneticaction, but since metal plate 11 is by the first spring 13 Restrain, within the scope of rated current, between metal plate 11 and electromagnet 4 magnetic force less than the first spring 13 elastic force so that metal Plate 11 will not be contacted with electromagnet 4, and circuit is in channel status always.
When current overload in circuit, magnetic field will be greater than first to the magnetic force of both ends metal plate 11 on electromagnet 4 The elastic force of spring 13, electromagnet 4 will make metal plate 11 contact with electromagnet 4 sucking action of metal plate 11, metal plate 11 will drive the movement accordingly of fixing axle 9 in the process of moving, and fixing axle 9 is continuous close to sliding block 23, gold in fixing sleeve 8 When category plate 11 and electromagnet 4 contact, fixing axle 9 will be moved to the bosom in fixing sleeve 8, and fixing axle 9 is mobile Have the function of squeezing to sliding block 23 in the process and push, since the side of sliding block 23 is inclined-plane, then fixing axle 9 will will push sliding block 23 towards moving in fixed block 21, when fixing axle 9 is moved to it is innermost in fixing sleeve 8 when, sliding block 23 will be squeezed out It goes, sliding block 23 and fixing sleeve 8 are detached from;
Second spring 16 loses the external force of drawing, then second spring 16 will be shunk, process of the second spring 16 in contraction Middle slide-bar slide-bar 14 slides in and out, and intermediate contact 18 will also move, and intermediate contact 18 will be de- with interior contact 17, external contact 20 From the circuit in shell 3 will will disconnect, then entire circuit will also will disconnect, and effectively play the role of protecting circuit.
It excludes to open the mounting blocks 1 of 3 two sides of shell in circuit after overload problem, pulls pulling shaft 15, universal driving shaft 7 is drawn After the position of dynamic only close fixing sleeve 8, push pulling shaft 15 that sliding block 23 is inserted into fixing sleeve 8, interior contact 17, intermediate contact 18 Electrical connection will be contacted between each other again with external contact 20, then circuit will restore regular path, it avoids replacing new fuse, Also it can timely repair so that circuit restores normal use.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (4)

1. a kind of novel energy-conserving fuse, including shell (3), which is characterized in that electromagnet (4) are installed in the shell (3), It is wound with coil (5) on the electromagnet (4), is symmetrically installed interior fixed frame (6) at left and right sides of the electromagnet (4), it is described Interior fixed frame (6) is connected with output lead (2) far from the side of coil (5), and the output lead (2) passes through shell (3), described Output lead (2) is fixedly connected with external contact (20), and the interior loop (5) is fixedly connected with interior contact (17), the interior contact (17) it is equipped between external contact (20) intermediate contact (18), the interior contact (17), intermediate contact (18) and external contact It (20) is electrical connection between, the side of the intermediate contact (18) is fixedly connected with slide-bar (14), is socketed on the slide-bar (14) Have second spring (16), the slide-bar (14) passes through shell (3), and the other side of the intermediate contact (18) is fixedly connected with linkage Axis (7) has been fixedly attached limit sleeve (19) on the universal driving shaft (7) and slide-bar (14), and the universal driving shaft (7) also passes through shell (3);
The both ends of the coil (5) are plugged in respectively in interior fixed frame (6), and the upper and lower ends of the electromagnet (4) are symmetrical arranged Have metal plate (11), the inner wall of the shell (3) is fixedly connected with limit shaft (12) corresponding with metal plate (11), the limit Axis (12) passes through metal plate (11), is connected with the first spring (13) between the metal plate (11) and shell (3), two gold Belong to plate (11) central symmetry to be fixedly connected with clump weight (10), the one end of two metal plates (11) far from clump weight (10) is solid Surely it is connected with fixing axle (9), is fixedly installed with fixing sleeve (8) corresponding with fixing axle (9), the fixation in the shell (3) Axis (9) is plugged in fixing sleeve (8);
The universal driving shaft (7) is equipped with fixed block (21) far from the one end of intermediate contact (18), sliding in the fixed block (21) It is inserted with sliding block (23), one end of the sliding block (23) is plugged in fixing sleeve (8), and the other end of the sliding block (23) is fixed to be connected It is connected to pulling shaft (15).
2. a kind of novel energy-conserving fuse according to claim 1, which is characterized in that fixed block (21) side it is interior Wall is provided with multiple turn troughs, is equipped in the turn trough ball (22), offers on the inner wall of fixed block (21) other side Sliding slot is fixedly connected with limited block corresponding with sliding slot on the sliding block (23), and the limited block is slidably connected with sliding slot.
3. a kind of novel energy-conserving fuse according to claim 1, which is characterized in that setting is described on slide-bar (14) Limit sleeve (19) is located at the limit sleeve (19) close to the side of intermediate contact (18), being arranged on universal driving shaft (7) and is located at far Side from intermediate contact (18), two limit sleeves (19) are installed in shell (3), and the one of the second spring (16) End is fixedly connected with shell (3), and the other end of the second spring (16) is fixedly connected with limit sleeve (19).
4. a kind of novel energy-conserving fuse according to claim 1, which is characterized in that the two sides of the shell (3) are symmetrical Opening is offered, mounting blocks (1) is connected in two openings.
CN201811419697.0A 2018-11-26 2018-11-26 Energy-saving fuse Active CN109524279B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811419697.0A CN109524279B (en) 2018-11-26 2018-11-26 Energy-saving fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811419697.0A CN109524279B (en) 2018-11-26 2018-11-26 Energy-saving fuse

Publications (2)

Publication Number Publication Date
CN109524279A true CN109524279A (en) 2019-03-26
CN109524279B CN109524279B (en) 2020-05-22

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446139A (en) * 2020-05-08 2020-07-24 吴军 Nondestructive recoverable fuse
CN112310819A (en) * 2020-11-17 2021-02-02 西安西热锅炉环保工程有限公司 Electric lighting box convenient for centralized outgoing line
CN112821246A (en) * 2021-02-19 2021-05-18 朱锦良 Distribution box overload protection device
CN114664611A (en) * 2022-04-06 2022-06-24 昆明理工大学 High-voltage fuse capable of automatically recovering

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2063289U (en) * 1990-01-09 1990-10-03 王家明 Energy-saving contactor without counter-magnetism winding
US5912604A (en) * 1997-02-04 1999-06-15 Abb Power T&D Company, Inc. Molded pole automatic circuit recloser with bistable electromagnetic actuator
CN200953319Y (en) * 2006-09-29 2007-09-26 刘军 Repeatedly using temperature control fuse
CN201072734Y (en) * 2007-07-03 2008-06-11 沈战岭 Instantaneous electricity-consumption AC contactor
CN107578936A (en) * 2017-10-11 2018-01-12 孝感汉光森源电气有限责任公司 A kind of breaker closing locking device
CN207233657U (en) * 2017-07-21 2018-04-13 深圳市沃特玛电池有限公司 A kind of combined type fusing contactor
CN108417446A (en) * 2018-05-15 2018-08-17 苏州胜璟电磁科技有限公司 A kind of electromagnetic switch energy saver
CN108597952A (en) * 2018-07-11 2018-09-28 金辉 A kind of magnetic switch of safe anti-rock

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2063289U (en) * 1990-01-09 1990-10-03 王家明 Energy-saving contactor without counter-magnetism winding
US5912604A (en) * 1997-02-04 1999-06-15 Abb Power T&D Company, Inc. Molded pole automatic circuit recloser with bistable electromagnetic actuator
CN200953319Y (en) * 2006-09-29 2007-09-26 刘军 Repeatedly using temperature control fuse
CN201072734Y (en) * 2007-07-03 2008-06-11 沈战岭 Instantaneous electricity-consumption AC contactor
CN207233657U (en) * 2017-07-21 2018-04-13 深圳市沃特玛电池有限公司 A kind of combined type fusing contactor
CN107578936A (en) * 2017-10-11 2018-01-12 孝感汉光森源电气有限责任公司 A kind of breaker closing locking device
CN108417446A (en) * 2018-05-15 2018-08-17 苏州胜璟电磁科技有限公司 A kind of electromagnetic switch energy saver
CN108597952A (en) * 2018-07-11 2018-09-28 金辉 A kind of magnetic switch of safe anti-rock

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111446139A (en) * 2020-05-08 2020-07-24 吴军 Nondestructive recoverable fuse
CN112310819A (en) * 2020-11-17 2021-02-02 西安西热锅炉环保工程有限公司 Electric lighting box convenient for centralized outgoing line
CN112821246A (en) * 2021-02-19 2021-05-18 朱锦良 Distribution box overload protection device
CN114664611A (en) * 2022-04-06 2022-06-24 昆明理工大学 High-voltage fuse capable of automatically recovering
CN114664611B (en) * 2022-04-06 2023-09-15 昆明理工大学 High-voltage fuse capable of automatically recovering

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Effective date of registration: 20200427

Address after: 363200 Hutoushan Development Zone, Liuao Town, Zhangpu County, Zhangzhou City, Fujian Province

Applicant after: ZHANGPU XINSHIDAI AGRICULTURAL DEVELOPMENT Co.,Ltd.

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Address after: No. 2353, Dazhushan Middle Road, Huangdao District, Qingdao, Shandong 266000

Patentee after: YUANDONG ELECTRICAL APPLIANCE GROUP Co.,Ltd.

Address before: Hutoushan Development Zone, liuao Town, Zhangpu County, Zhangzhou City, Fujian Province 363200

Patentee before: ZHANGPU XINSHIDAI AGRICULTURAL DEVELOPMENT Co.,Ltd.