CN113643945A - Automatic domestic fuse of connection - Google Patents
Automatic domestic fuse of connection Download PDFInfo
- Publication number
- CN113643945A CN113643945A CN202110861704.8A CN202110861704A CN113643945A CN 113643945 A CN113643945 A CN 113643945A CN 202110861704 A CN202110861704 A CN 202110861704A CN 113643945 A CN113643945 A CN 113643945A
- Authority
- CN
- China
- Prior art keywords
- fuse
- cavity
- plate
- fixedly connected
- piston rod
- 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.)
- Withdrawn
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/205—Electric connections to contacts on the base
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K10/00—Arrangements for improving the operating reliability of electronic equipment, e.g. by providing a similar standby unit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H2085/209—Modular assembly of fuses or holders, e.g. side by side; combination of a plurality of identical fuse units
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention relates to the technical field of circuit equipment and discloses an automatically-connected household fuse, which comprises a shell, wherein an upper connecting column is fixedly arranged in the middle of the shell, and a lower connecting column is fixedly arranged on one side of the shell. Through the annular chamber, the piston rod, the slider, the fixture block, the setting of wind spring, when the circuit transships suddenly, the fuse is heated the disconnection, the fuse generates heat and can make alcohol rapid evaporation, it promotes the piston rod to being close to axis of rotation one side and remove to produce steam, lead to the telescopic link to promote the slider and remove to corresponding recess, make the connection bottom of the rope draw close to the centre under the effect of limiting plate, thereby the fixture block that drives both sides withdraws from in the concave tooth of ring gear, make the axis of rotation automatic certain angle's rotation of taking place under the rebound effect of wind spring, when the next set of connecting block rotates to the position that corresponds the contact with lower spliced pole, make the circuit switched on again, avoid the user to reply to change fuse or fuse, it is more convenient to make the fuse use.
Description
Technical Field
The invention relates to the technical field of circuit equipment, in particular to an automatically-connected household fuse.
Background
The fuse is an electric appliance which fuses a melt by using heat generated by the fuse when the current exceeds a specified value and disconnects a circuit, the fuse melts the melt by using the heat generated by the fuse after the current exceeds the specified value for a period of time, so that the circuit is disconnected.
Present fuse is in the use, when the condition such as electrical apparatus that appears mineing or access power too big for transship too big, input current increases suddenly, thereby leads to the fuse to be heated disconnection in the twinkling of an eye, leads to opening circuit, but, because the electric current is unstable suddenly, causes the condition of fuse with the circuit disconnection, makes the user all need open the fuse at every turn and changes the fuse again, to ordinary resident, frequently changes the fuse, and the operation is comparatively loaded down with trivial details.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the automatically-connected household fuse which has the advantages of no need of manual replacement, automatic circuit reconnection, safety and reliability, and solves the problems in the background technology.
The invention provides the following technical scheme: an automatically-connected household fuse comprises a shell, wherein an upper connecting column is fixedly arranged in the middle of the shell, a lower connecting column is fixedly arranged on one side of the shell, a cavity is formed in the shell, a rotating shaft is movably sleeved in the middle of the cavity, an installation cavity is formed in the rotating shaft, a rotating plate is fixedly connected to the middle of the rotating shaft, a plurality of groups of electric connecting wires which are distributed in a uniform circumference mode are arranged in the rotating plate, a fusing cavity is formed in one side, close to the rotating shaft, of each electric connecting wire, one end of each electric connecting wire is connected with a fuse wire arranged in the fusing cavity, the other end of each fuse wire is connected with the upper connecting column, movable cavities, the number and the positions of which are matched with the electric connecting wires, are formed in the side surface of the rotating plate, supporting springs are fixedly connected in the movable cavities, and connecting blocks in contact with the lower connecting columns are fixedly connected to the other ends of the supporting springs, the other end of the connecting wire is connected with the connecting block.
Preferably, a heat transfer cylinder is fixedly installed on the outer side of the fusing cavity, a ring cavity arranged inside the rotating plate is arranged on the outer side of the heat transfer cylinder, a piston rod is movably sleeved inside the ring cavity, one end of the piston rod is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a connecting rod, one end of the ring cavity, which is far away from the connecting rod, is movably sleeved with a telescopic rod extending into the mounting cavity, hydraulic oil is filled between the telescopic rod and the piston rod, alcohol is filled in an area of the ring cavity, which is located outside the heat transfer cylinder, a fixing plate is fixedly installed on the upper portion of the mounting cavity, a limiting plate is fixedly installed in the middle of the mounting cavity, a sliding block is movably sleeved in the middle of the fixing plate, a connecting rope movably sleeved with the middle of the limiting plate is fixedly connected to the bottom of the sliding block, and two symmetrically installed clamping blocks movably sleeved with the rotating shaft are connected to the other end of the connecting rope, an inner gear ring fixedly connected with the shell is arranged on the outer side of the clamping block, and a coil spring with the other end fixedly connected with the shell is fixedly connected to the bottom of the rotating shaft.
Preferably, the fixing plate comprises a plate body, a round hole is formed in the middle of the plate body, and grooves with the same number as that of the power connection wires are formed in the side face of the round hole.
Preferably, the upper part of the sliding block is a regular polygonal plate with the same number of sides as the number of the connecting wires.
Preferably, the two groups of the clamping blocks are connected through a spring, and the coil spring is in a stretched state at the beginning.
Preferably, the inner part of the annular cavity and the outer side area of the heat transfer cylinder between the inner part of the annular cavity and the piston rod can be filled with a memory alloy with a one-way memory effect.
The invention has the following beneficial effects:
1. through the arrangement of the annular cavity, the piston rod, the slide block, the fixture block and the coil spring, when a circuit is overloaded suddenly, the fuse wire in the fusing cavity is heated and disconnected, the fuse wire generates heat and can be transmitted into the annular cavity through the heat transmission cylinder, so that alcohol is evaporated quickly, steam is generated to push the piston rod to move towards one side close to the rotating shaft, the piston rod moves to push the telescopic rod to move towards the inside of the mounting cavity through hydraulic oil, so that the telescopic rod pushes the slide block to move into the corresponding groove, because the slide block moves in parallel, the bottom of the connecting rope connected with the bottom of the slide block is closed towards the middle under the action of the limiting plate, the fixture blocks on two sides are driven to withdraw from the concave teeth of the inner gear ring, the rotating shaft can automatically rotate at a certain angle under the resilience of the coil spring, and when the next group of connecting blocks rotates to the position correspondingly contacted with the lower connecting column, the circuit is switched on again, avoid the user to change fuse or fuse repeatedly for the fuse uses more conveniently.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure A of the present invention;
FIG. 3 is a schematic view of the interior of a rotating plate according to the present invention;
FIG. 4 is an enlarged view of the structure B of the present invention;
FIG. 5 is a schematic top view of a structural fixation plate of the present invention;
FIG. 6 is a schematic view of a structural mounting plate of the present invention;
fig. 7 is a cross-sectional schematic view of the ring gear of the structure of the invention.
In the figure: 1. a housing; 2. an upper connecting column; 3. a lower connecting column; 4. a cavity; 5. a rotating shaft; 51. a mounting cavity; 6. a rotating plate; 7. connecting a wire; 8. fusing the wires; 9. a movable cavity; 10. a support spring; 11. connecting blocks; 12. a fuse cavity; 13. a heat transfer cylinder; 14. an annular cavity; 15. a piston rod; 16. a connecting rod; 17. a telescopic rod; 18. a fixing plate; 181. a plate body; 182. a circular hole; 183. a groove; 19. a slider; 20. a limiting plate; 21. connecting ropes; 22. a clamping block; 23. an inner gear ring; 24. a coil spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an automatically connected household fuse comprises a housing 1, an upper connecting post 2 is fixedly installed in the middle of the housing 1, a lower connecting post 3 is fixedly installed on one side of the housing 1, a cavity 4 is formed in the housing 1, a rotating shaft 5 is movably sleeved in the middle of the cavity 4, an installation cavity 51 is formed in the rotating shaft 5, a rotating plate 6 is fixedly connected in the middle of the rotating shaft 5, a plurality of groups of circumferentially distributed power wires 7 are arranged in the rotating plate 6, a fusing cavity 12 is formed in one side of each power wire 7 close to the rotating shaft 5, one end of each power wire 7 is connected with a fuse wire 8 installed in the fusing cavity 12, the other end of each fuse wire 8 is connected with the upper connecting post 2, movable cavities 9 matched with the power wires 7 in number and position are formed in the side surface of the rotating plate 6, and supporting springs 10 are fixedly connected in the movable cavities 9, the other end of the supporting spring 10 is fixedly connected with a connecting block 11 which is in contact with the lower connecting column 3, the other end of the power connection wire 7 is connected with the connecting block 11, a heat transfer cylinder 13 is fixedly installed on the outer side of the fusing cavity 12, an annular cavity 14 which is arranged inside the rotating plate 6 is arranged on the outer side of the heat transfer cylinder 13, a piston rod 15 is movably sleeved inside the annular cavity 14, one end of the piston rod 15 is fixedly connected with a connecting rod 16, the other end of the connecting rod is fixedly connected with the connecting rod 16, an expansion rod 17 which extends into the installation cavity 51 is movably sleeved at one end of the annular cavity 14 far away from the connecting rod 16, hydraulic oil is filled between the expansion rod 17 and the piston rod 15, alcohol is filled inside an area of the annular cavity 14 which is positioned outside the heat transfer cylinder 13, a fixing plate 18 is fixedly installed on the upper portion of the installation cavity 51, the fixing plate 18 comprises a plate body 181, a round hole 182 is formed in the middle of the plate body 181, grooves 183 which are formed in the same number as that of the power connection wires 7 are formed in the side face of the round hole 182, and the middle part of the installation cavity 51 is fixedly provided with a limiting plate 20, the middle part of the fixing plate 18 is movably sleeved with a slide block 19, the bottom of the slide block 19 is fixedly connected with a connecting rope 21 movably sleeved with the middle part of the limiting plate 20, the other end of the connecting rope 21 is connected with two groups of symmetrically installed fixture blocks 22 movably sleeved with the rotating shaft 5, the outer side of each fixture block 22 is provided with an inner gear ring 23 fixedly connected with the shell 1, and the bottom of the rotating shaft 5 is fixedly connected with a coil spring 24 of which the other end is fixedly connected with the shell 1.
The upper portion of the sliding block 19 is a regular polygon plate with the number of edges being the same as the number of the power connection wires 7, the telescopic rod 17 can be guaranteed to move towards the sliding block 19 when the fuse wire 8 is fused, slipping can be avoided when the telescopic rod 17 is in contact with the side face of the upper end of the sliding block 19, the sliding block 19 can be prevented from shifting in the fixing plate 18, the connecting rope 21 is not enough to contract, the clamping block 22 cannot be completely withdrawn from the concave teeth of the inner gear ring 23, the rotating plate 6 cannot rotate, and circuit connection cannot be automatically conducted.
Wherein, connect through the spring between two sets of fixture blocks 22, wind spring 24 is in by the tensile state under the initial time, can be dead with axis of rotation 5 and rotor plate 6 card when the fuse is normal in-process, and axis of rotation 5 takes place to deflect when avoiding the circuit to normally communicate.
The memory alloy with the one-way memory effect can be filled in the area between the annular cavity 14 and the piston rod 15 and outside the heat transfer cylinder 13, and the one-way memory alloy has the characteristics of deforming at a lower temperature and recovering the shape before deformation after heating, so that the memory alloy can be used for replacing alcohol, the memory alloy can be heated and recovered to be elongated when the fuse wire is softened by heat, the piston rod 15 can be pushed, and the same effect as that of the alcohol when being heated can be realized.
According to the working principle, when the fuse protector normally works, one connecting block 11 is in contact with the lower connecting column 3, and a circuit can be communicated and conducted through the lower connecting column, the connecting block 11, the connecting wire 7, the fuse wire 8 and the upper connecting column 2 to normally work and supply power;
when the circuit is overloaded suddenly, the fuse wire 8 in the fusing cavity 12 is heated to be disconnected, the heat generated by the fuse wire can be transmitted into the annular cavity 14 through the heat transfer cylinder 13, so that the alcohol is evaporated quickly, the generated steam pushes the piston rod 15 to move towards one side close to the rotating shaft 5, the piston rod 15 moves to push the telescopic rod 17 to move towards the inside of the mounting cavity 51 through the hydraulic oil, so that the telescopic rod 17 pushes the sliding block 19 to move into the corresponding groove 183, the bottom of the connecting rope 21 connected to the bottom of the sliding block 19 is drawn towards the middle under the action of the limiting plate 20 due to the parallel movement of the sliding block 19, so that the clamping blocks 22 on two sides are driven to withdraw from the concave teeth of the inner gear ring 23, the rotating shaft 5 can automatically rotate at a certain angle under the resilience action of the coil spring 24, the next group of connecting blocks 11 is rotated to the position corresponding to the lower connecting column 3, and the circuit is switched on again, avoid the user to change fuse or fuse repeatedly, it is more convenient for the fuse to use, and fuse chamber 12 inside of 8 fuses of fuse loses the heat source after 8 fuses of fuse, cool off fast, can make telescopic link 17 withdraw, make slider 19 reset again under connecting rope 21 pulling force, and inside two sets of fixture blocks 22 can stretch out again and insert the concave tooth of interior ring gear 23 under the spring action, it is dead to carry out the card to rotating shaft 5, guarantee that this fuse lasts the circular telegram work.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic domestic fuse of connection, includes casing (1), the middle part fixed mounting of casing (1) has last spliced pole (2), one side fixed mounting of casing (1) has lower spliced pole (3), its characterized in that: the improved fuse box is characterized in that a cavity (4) is formed in the shell (1), a rotating shaft (5) is sleeved in the middle of the cavity (4) in a movable mode, an installation cavity (51) is formed in the rotating shaft (5), a rotating plate (6) is fixedly connected to the middle of the rotating shaft (5), a plurality of groups of electric wires (7) distributed in an equal circumference mode are arranged in the rotating plate (6), a fuse cavity (12) is formed in one side, close to the rotating shaft (5), of each electric wire (7), one end of each electric wire (7) is connected with a fuse wire (8) installed in the corresponding fuse cavity (12), the other end of each fuse wire (8) is connected with an upper connecting column (2), movable cavities (9) matched with the electric wires (7) in quantity and position are formed in the side face of the rotating plate (6), and supporting springs (10) are fixedly connected to the inner portions of the movable cavities (9), the other end fixedly connected with of supporting spring (10) and connecting block (11) of lower spliced pole (3) contact, the other end and the connecting block (11) of connecting wire (7) are connected.
2. An automatically attachable domestic fuse as claimed in claim 1, wherein: the outer side of the fusing cavity (12) is fixedly provided with a heat transfer cylinder (13), the outer side of the heat transfer cylinder (13) is provided with an annular cavity (14) arranged inside the rotating plate (6), a piston rod (15) is movably sleeved inside the annular cavity (14), one end of the piston rod (15) is fixedly connected with a connecting rod (16) with the other end fixedly connected with the connecting block (11), one end of the annular cavity (14), far away from the connecting rod (16), is movably sleeved with a telescopic rod (17) extending into the mounting cavity (51), hydraulic oil is filled between the telescopic rod (17) and the piston rod (15), the area inside of the outer side of the heat transfer cylinder (13) of the annular cavity (14) is filled with alcohol, the upper portion of the mounting cavity (51) is fixedly provided with a fixing plate (18), and the middle of the mounting cavity (51) is fixedly provided with a limiting plate (20), slider (19) have been cup jointed in the middle part activity of fixed plate (18), the bottom fixedly connected with of slider (19) is restricted (21) with the connection that limiting plate (20) middle part activity cup jointed, the other end of connecting rope (21) is connected with fixture block (22) of two sets of symmetry installations that cup joint with axis of rotation (5) activity, the outside of fixture block (22) is provided with ring gear (23) with casing (1) fixed connection, the bottom fixedly connected with other end of axis of rotation (5) and casing (1) fixed connection's wind spring (24).
3. An automatically attachable domestic fuse as claimed in claim 2, wherein: the fixing plate (18) comprises a plate body (181), a round hole (182) is formed in the middle of the plate body (181), and grooves (183) with the same number as the electric wires (7) are formed in the side face of the round hole (182).
4. An automatically attachable domestic fuse as claimed in claim 2, wherein: the upper part of the sliding block (19) is a regular polygon plate with the same number of sides as the number of the electric wires (7).
5. An automatically attachable domestic fuse as claimed in claim 2, wherein: the two groups of clamping blocks (22) are connected through springs, and the coil springs (24) are in a stretched state at the beginning.
6. An automatically attachable domestic fuse as claimed in claim 2, wherein: the inner part between the annular cavity (14) and the piston rod (15) and in the area outside the heat transfer cylinder (13) can be filled with memory alloy with one-way memory effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861704.8A CN113643945A (en) | 2021-07-29 | 2021-07-29 | Automatic domestic fuse of connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110861704.8A CN113643945A (en) | 2021-07-29 | 2021-07-29 | Automatic domestic fuse of connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113643945A true CN113643945A (en) | 2021-11-12 |
Family
ID=78418942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110861704.8A Withdrawn CN113643945A (en) | 2021-07-29 | 2021-07-29 | Automatic domestic fuse of connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113643945A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792614A (en) * | 2022-06-24 | 2022-07-26 | 南通世睿智能设备有限公司 | Intelligent short-circuit protection device for electric distribution box and use method of intelligent short-circuit protection device |
| CN114825260A (en) * | 2022-06-28 | 2022-07-29 | 如东县春华塑料模具有限公司 | Intelligent circuit protector for circuit monitoring |
| CN116884819A (en) * | 2023-08-14 | 2023-10-13 | 石家庄海斯特电气有限公司 | Automatic change high-voltage fuse |
| CN117284948A (en) * | 2023-10-20 | 2023-12-26 | 江苏通创现代建筑产业技术研究院有限公司 | Multifunctional hydraulic crane for building construction |
-
2021
- 2021-07-29 CN CN202110861704.8A patent/CN113643945A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792614A (en) * | 2022-06-24 | 2022-07-26 | 南通世睿智能设备有限公司 | Intelligent short-circuit protection device for electric distribution box and use method of intelligent short-circuit protection device |
| CN114825260A (en) * | 2022-06-28 | 2022-07-29 | 如东县春华塑料模具有限公司 | Intelligent circuit protector for circuit monitoring |
| CN116884819A (en) * | 2023-08-14 | 2023-10-13 | 石家庄海斯特电气有限公司 | Automatic change high-voltage fuse |
| CN116884819B (en) * | 2023-08-14 | 2024-01-26 | 石家庄海斯特电气有限公司 | Automatic change high-voltage fuse |
| CN117284948A (en) * | 2023-10-20 | 2023-12-26 | 江苏通创现代建筑产业技术研究院有限公司 | Multifunctional hydraulic crane for building construction |
| CN117284948B (en) * | 2023-10-20 | 2024-04-19 | 江苏通创现代建筑产业技术研究院有限公司 | Multifunctional hydraulic crane for building construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211112 |