CN114743845B - Circuit protection fuse - Google Patents
Circuit protection fuse Download PDFInfo
- Publication number
- CN114743845B CN114743845B CN202210377583.4A CN202210377583A CN114743845B CN 114743845 B CN114743845 B CN 114743845B CN 202210377583 A CN202210377583 A CN 202210377583A CN 114743845 B CN114743845 B CN 114743845B
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- Prior art keywords
- plate
- melt
- fuse
- mounting plate
- spring
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- 239000000155 melt Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
-
- 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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
Landscapes
- Fuses (AREA)
Abstract
The invention discloses a circuit protection fuse, which comprises an outer shell, a wire harness connecting end, conductive sheets and a melt, wherein the wire harness connecting end is fixed on the left side and the right side of the outer shell and is used for being connected with a circuit, the melt is arranged in the outer shell, the left end and the right end of the melt are connected with the outer shell through the conductive sheets, the two ends of the melt are in fit connection with the conductive sheets, a mounting plate is arranged below the melt, a clamping mechanism is arranged above the mounting plate, the melt is limited above the mounting plate, and a front-back sliding structure is formed between the mounting plate and the outer shell. This circuit protection fuse can realize the quick replacement to damaging the fuse-element through a plurality of fuse-elements that set up on the mounting panel, removes through mounting panel control fuse-element, carries out the adjustment of position to the fuse-element that uses in the shell body, and need not open the shell body in the change adjustment process, and whole operation is safer, very big improvement the change efficiency of follow-up fuse-element.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to a circuit protection fuse.
Background
The fuse is a common circuit protection device, when the current exceeds the specified value, the fuse body is fused by the heat generated by the fuse body, compared with an automatic circuit breaker, the fuse is more stable in work and is not easy to be broken by mistake, but the existing fuse has some defects when in use:
the existing fuse is unrecoverable after the fuse is broken, the fuse is disposable, the fuse in the fuse needs to be manually replaced after the fuse is broken, the operation is complicated, the fuse is sometimes in a charged state when the fuse is replaced, the safety risk of the subsequent fuse is increased, the replacement efficiency of the subsequent fuse is reduced, the subsequent circuit is required to be recovered for a long time, and the use convenience and safety of the fuse are reduced.
Aiming at the problems, innovative design is urgently needed on the basis of the original fuse.
Disclosure of Invention
The invention aims to provide a circuit protection fuse, which solves the problems that the fuse body in the existing fuse in the market in the prior art is not recoverable after fusing, the fuse body is disposable, the fuse body in the fuse needs to be manually replaced after fusing, the operation is complicated, the fuse body is sometimes electrified during replacement, the safety risk during the replacement of the subsequent fuse body is increased, the replacement efficiency of the subsequent fuse body is reduced, and the recovery of the subsequent circuit needs a long time.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a circuit protection fuse, includes shell body, pencil link, conducting strip and fuse-element, pencil link is fixed in the left and right sides of shell body and is used for being connected with the circuit, the inside of shell body is provided with the fuse-element, and both ends all pass through conducting strip and shell body coupling about the fuse-element, be the laminating connection between the both ends of fuse-element and the conducting strip, and the below of fuse-element is provided with the mounting panel to the top of mounting panel is provided with fixture, spacing in the top of mounting panel with the fuse-element, and constitutes front and back sliding construction between mounting panel and the shell body, the setting number of fuse-element on the mounting panel is greater than one, and fuse-element and fixture one-to-one sets up, makes every fuse-element all obtain spacing effect on the mounting panel, the top of mounting panel is fixed with the control panel, and the upper end of control panel runs through the upper surface of shell body, can promote the mounting panel to remove in the shell body through the control panel, the inside nested movable plate of control panel is installed, and the outside of movable plate is provided with first spring, and the upper end and the movable plate of first spring are connected, and the control panel are connected, and are connected for the movable plate spacing in the top of mounting panel, the rack and the inside of the shell body are equipped with the rack, and the inside the rack is meshed with the fixed slot in the inside of the mounting panel.
Further optimize this technical scheme, both ends all are fixed with the shutoff piece around the mounting panel, and the fuse-element setting number on the mounting panel is two, shelters from the one side opening of shell body, provides certain protection effect for the fuse-element in the shell body.
Further optimize this technical scheme, the lower surface of mounting panel is fixed with the auxiliary wheel, and the auxiliary wheel sets up about the central line bilateral symmetry of mounting panel, and the removal of auxiliary mounting panel in the shell body reduces the frictional force that the mounting panel received when removing.
Further optimize this technical scheme, fixture comprises elasticity clamping piece, and elasticity clamping piece sets up with the central line bilateral symmetry of fuse-element, provides the centre gripping spacing power for the fuse-element.
Further optimize this technical scheme, the setting quantity of spacing groove is the same with the setting quantity of fuse-element, and constitutes unsmooth cooperation structure between spacing groove and the stopper to constitute sliding construction from top to bottom between stopper and the mounting panel, make follow-up every fuse-element homoenergetic keep stable after being connected with the conducting strip.
Further optimize this technical scheme, the outer end of conducting strip keeps being connected through connecting wire and pencil link, and the outside of conducting strip is fixed with the connecting rod to constitute left and right sliding construction between connecting rod through second spring and the shell body, provide interior thrust for the conducting strip through second spring cooperation connecting rod, make and keep stable connection between conducting strip and the fuse-element.
According to the technical scheme, the outer end of the connecting rod is fixedly provided with a first magnetic block, the outer side of the first magnetic block is provided with a second magnetic block, and the first magnetic block and the second magnetic block are oppositely arranged in a mutually different-name magnetic pole mode;
a vertical sliding structure is formed between the second magnetic block and the outer shell, a connecting plate is connected below the second magnetic block, a transmission plate is connected above the connecting plate, and a pressing plate is fixed above the transmission plate;
the clamp plate sets up in the below of spacing groove, and the below of clamp plate is provided with the third spring, provides the push-up restoring force for the clamp plate to the elasticity of third spring is less than the elasticity of first spring, makes stopper and spacing groove connect the back and can promote the clamp plate and remove, can carry out synchronous control to the position of stopper and conducting strip through follow-up press control board, makes things convenient for the change of fuse-element.
Further optimize this technical scheme, both sides all are provided with protection machanism around the shell body, protect the tip of fuse-element, avoid the fuse-element tip to receive external environment influence to appear contacting failure phenomenon.
Further optimizing the technical scheme, the protection mechanism consists of a contact protection plate and a fourth spring;
the contact protection plate is symmetrically arranged on the left and right of the central line of the outer shell, is attached to the two ends of the melt to provide protection for the melt, and the inner side surface of the contact protection plate is designed in an arc-shaped structure;
and the fourth spring is arranged on the outer side of the contact protection plate and provides thrust for the contact protection plate, so that the contact protection plate and the melt keep stable fit.
Compared with the prior art, the invention has the beneficial effects that:
(1) The circuit protection fuse can realize the quick replacement of damaged melts through a plurality of melts arranged on the mounting plate, the melts are controlled to move through the mounting plate, the positions of the melts used in the outer shell are adjusted, the outer shell is not required to be opened in the replacement and adjustment process, the whole operation is safer, and the replacement efficiency of the subsequent melts is greatly improved;
(2) This circuit protection fuse is provided with stopper, clamp plate, first magnetic path and second magnetic path, can carry out spacingly with the position of mounting panel through the connection of stopper and spacing groove, and the conducting strip can keep hugging closely with the fuse-element under the effect of second spring, but follow-up through the cooperation of first magnetic path second magnetic path automatic control conducting strip outside removes when changing the fuse-element, makes the change of fuse-element more stable, makes things convenient for the change of follow-up fuse-element.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the main section structure of the present invention;
FIG. 4 is a schematic view of the present invention in a top-down configuration;
FIG. 5 is an enlarged schematic view of the structure of the invention at a in the body 3;
FIG. 6 is a schematic top view of the junction limiting groove of the present invention;
FIG. 7 is a schematic side sectional view of a platen according to the present invention;
FIG. 8 is a schematic side view of the mounting plate of the present invention.
In the figure: 1. an outer housing; 2. a harness connection end; 3. a conductive sheet; 4. a melt; 5. a connecting wire; 6. a mounting plate; 601. a block; 7. an elastic clamping piece; 8. an auxiliary wheel; 9. a control board; 10. a movable plate; 11. a first spring; 12. a transmission gear; 13. a rack; 14. a limiting block; 15. a limit groove; 16. a connecting rod; 17. a second spring; 18. a first magnetic block; 19. a second magnetic block; 20. a connecting plate; 21. a drive plate; 22. a pressing plate; 23. a third spring; 24. a contact protection plate; 25. and a fourth spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a circuit protection fuse, including shell 1, pencil link 2, conducting strip 3 and fuse-element 4, pencil link 2 is fixed in the left and right sides of shell 1 and is used for being connected with the circuit, the inside of shell 1 is provided with fuse-element 4, the left and right sides both ends of fuse-element 4 are all connected through conducting strip 3 and shell 1, be the laminating connection between the both ends of fuse-element 4 and conducting strip 3, and the below of fuse-element 4 is provided with mounting panel 6, and the top of mounting panel 6 is provided with fixture, limit fuse-element 4 in the top of mounting panel 6, and constitute back-and-forth sliding structure between mounting panel 6 and the shell 1, the setting number of fuse-element 4 on mounting panel 6 is greater than one, and fuse-element 4 and fixture one-to-one sets up, make every fuse-element 4 all obtain spacing effect on mounting panel 6, the top of mounting panel 6 is fixed with control panel 9, the upper end of the control plate 9 penetrates through the upper surface of the outer shell 1, the control plate 9 can push the mounting plate 6 to move in the outer shell 1, a movable plate 10 is nested in the control plate 9, a first spring 11 is arranged on the outer side of the movable plate 10, the upper end of the first spring 11 is connected with the movable plate 10, the lower end of the first spring 11 is connected with the control plate 9, a push-up restoring force is provided for the movable plate 10, a transmission gear 12 is meshed below the movable plate 10, the transmission gear 12 is arranged in the mounting plate 6 in a bearing manner, a rack 13 is meshed on the outer side of the transmission gear 12, the rack 13 and the movable plate 10 are parallel to each other, a limiting block 14 is fixed below the rack 13, a limiting groove 15 is arranged below the limiting block 14, the limiting groove 15 is arranged in the outer shell 1, the position of the mounting plate 6 in the outer shell 1 is fixed through the connection of the limiting block 14 and the limiting groove 15, the melt 4 and the conductive sheet 3 are stably attached, the clamping mechanism is composed of elastic clamping pieces 7, and the elastic clamping pieces 7 are symmetrically arranged about the center line of the melt 4 to provide clamping limiting force for the melt 4;
the front end and the rear end of the mounting plate 6 are respectively fixed with a plugging block 601, the number of melts 4 on the mounting plate 6 is two, one side opening of the outer shell 1 is shielded, the front side and the rear side of the outer shell 1 are respectively provided with a protection mechanism, the ends of the melts 4 are protected, and the protection mechanism consists of a contact protection plate 24 and a fourth spring 25;
the contact protection plate 24 is symmetrically arranged on the left and right of the central line of the outer shell 1, is attached to the two ends of the melt 4 to provide protection for the melt, and the inner side surface of the contact protection plate 24 is designed in an arc-shaped structure;
a fourth spring 25, which is arranged at the outer side of the contact protection plate 24, and provides thrust for the contact protection plate 24, so that the contact protection plate 24 and the melt 4 keep stable fit;
two groups of melts 4 on the mounting plate 6 are limited through the elastic clamping pieces 7 respectively, the melts 4 in the outer shell 1 are connected with the conductive plates 3 to enable a circuit to be communicated, the melts 4 in the outer side are replaced for a standby time, the left end and the right end of the melts 4 in the outer side are protected through the contact protection plates 24, and the melts 4 are prevented from being exposed to the follow-up contact failure for a long time.
The auxiliary wheels 8 are fixed on the lower surface of the mounting plate 6, the auxiliary wheels 8 are symmetrically arranged left and right relative to the central line of the mounting plate 6, the movement of the mounting plate 6 in the outer shell 1 is assisted, the number of the limiting grooves 15 is the same as that of the melts 4, a concave-convex matching structure is formed between the limiting grooves 15 and the limiting blocks 14, and an up-down sliding structure is formed between the limiting blocks 14 and the mounting plate 6;
after the melt 4 in the outer shell 1 is melted, the melt 4 can be replaced after circuit maintenance is finished, the movable plate 10 can be pressed during replacement, the movable plate 10 moves downwards, the transmission gear 12 is driven to rotate through meshing with the transmission gear 12, the transmission gear 12 drives the rack 13 to move upwards through meshing with the rack 13 when rotating, the rack 13 drives the limiting block 14 to move upwards, connection between the limiting block 14 and the limiting groove 15 is released, at the moment, the mounting plate 6 is in an active state, the mounting plate 6 can be pushed to move, the mounting plate 6 drives the melt 4 above the mounting plate to move, the damaged melt 4 is removed from the outer shell 1, the standby melt 4 is simultaneously sent into the outer shell 1, the circuit is communicated through connection with the conducting strip 3, meanwhile, the limiting block 14 is connected with the other group of limiting grooves 15, the position of the mounting plate 6 is fixed again, the stability of the melt 4 in the outer shell 1 is kept, and after the damaged melt 4 is moved out of the outer shell 1, the melt 4 can be removed from the mounting plate 6, a new melt 4 is replaced, and the next replacement is convenient.
The outer end of the conducting strip 3 is kept connected with the wire harness connecting end 2 through the connecting wire 5, a connecting rod 16 is fixed on the outer side of the conducting strip 3, a left-right sliding structure is formed between the connecting rod 16 and the outer shell 1 through a second spring 17, an inner pushing force is provided for the conducting strip 3 through the second spring 17 matched with the connecting rod 16, a first magnetic block 18 is fixed on the outer end of the connecting rod 16, a second magnetic block 19 is arranged on the outer side of the first magnetic block 18, different-name magnetic poles are oppositely arranged between the first magnetic block 18 and the second magnetic block 19, an up-down sliding structure is formed between the second magnetic block 19 and the outer shell 1, a connecting plate 20 is connected below the second magnetic block 19, a transmission plate 21 is connected above the connecting plate 20, a pressing plate 22 is fixed above the transmission plate 21, the pressing plate 22 is arranged below the limiting groove 15, a third spring 23 is arranged below the pressing plate 22, an upward pushing reset force is provided for the pressing plate 22, the elastic force of the third spring 23 is smaller than that of the first spring 11, and the pressing plate 22 can be pushed to move after the limiting block 14 and the limiting groove 15 are connected;
when the limiting block 14 is connected with the limiting groove 15, the limiting block 14 presses the pressing plate 22 downwards, the pressing plate 22 drives the second magnetic block 19 to move downwards through the connecting plate 20, attractive force between the first magnetic block 18 and the second magnetic block 19 is relieved, at the moment, the second spring 17 can provide thrust for the conducting strip 3, the conducting strip 3 and the end part of the melt 4 are stably attached, when the melt 4 is replaced, the movable plate 10 is pressed, the principle is the same, after the limiting block 14 is separated from the connection with the limiting groove 15, the extrusion force of the limiting block 14 to the pressing plate 22 disappears, at the moment, the third spring 23 can push the pressing plate 22 to move upwards, the pressing plate 22 drives the second magnetic block 19 to move upwards through the transmission plate 21, the second magnetic block 19 and the first magnetic block 18 are in a relative state, at the moment, attractive force is generated for the first magnetic block 18, the first magnetic block 18 is pulled, the first magnetic block 18 is enabled to move, the conducting strip 3 is driven to move outwards through the connecting rod 16, the new melt 4 is then moved to the inner side of the conducting strip 3, the clamping of the limiting block 14 and the limiting groove 15 are controlled again, the second magnetic block 19 is clamped to press the second magnetic block 19, the second magnetic block 19 is enabled to move towards the end part of the melt 4, and the first magnetic block 4 is replaced, and the attractive force for the melt 4 is removed, and the second magnetic block is replaced, and the second magnetic block is kept to move the attractive force, and the second magnetic block is pressed.
Working principle: when using this circuit protection fuse, can be connected this fuse through pencil link 2 and external circuit, after fuse-element 4 that is connected with conducting strip 3 takes place to fuse and damages, the removal of accessible mounting panel 6 is more changed fuse-element 4, the removal of accessible fly leaf 10 releases the stopper 14 and is connected with spacing groove 15 earlier during the change, then control mounting panel 6 removes, push out shell 1 with the fuse-element 4 of damage, send into the inboard of conducting strip 3 with reserve fuse-element 4 on the mounting panel 6 simultaneously and use, change convenient and fast, and need not tear open shell 1, even change under the electrified condition also have better security.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The circuit protection fuse comprises an outer shell (1), a wire harness connecting end (2), conductive sheets (3) and a melt (4), wherein the wire harness connecting end (2) is fixed at the left side and the right side of the outer shell (1) and used for being connected with a circuit, the melt (4) is arranged in the outer shell (1), and the left end and the right end of the melt (4) are connected with the outer shell (1) through the conductive sheets (3);
the method is characterized in that: the utility model discloses a high-speed electric motor, including mounting plate (6) and movable plate (10), mounting plate (10) and gear (12) are provided with a transmission gear, wherein the mounting plate (6) is arranged at the upper end of melt (4), and be connected for laminating between both ends and conducting strip (3) of melt (4), and the below of melt (4) is provided with mounting plate (6), and the top of mounting plate (6) is provided with fixture, limit melt (4) in the top of mounting plate (6), and constitute front and back sliding structure between mounting plate (6) and shell (1) with upper limit melt (6) in the top of mounting plate (6), and the movable plate (10) is installed in the inside nestification of control plate (9), and the outside of movable plate (10) is provided with first spring (11), and the upper end of first spring (11) and movable plate (10) are connected with one-to-one setting, and the upper end of mounting plate (6) is fixed with control plate (9), and the upper end of control plate (9) runs through the upper surface of shell (1), can promote mounting plate (6) in shell (1) and move through the upper surface of control plate (9), and the inside of movable plate (10) is provided with a transmission gear (12) is meshed with upper end (12), the outside meshing of drive gear (12) has rack (13), and rack (13) and fly leaf (10) are parallel to each other, and the below of rack (13) is fixed with stopper (14), the below of stopper (14) is provided with spacing groove (15), and spacing groove (15) are seted up in the inside of shell body (1), fix mounting panel (6) in the position of shell body (1) through the connection of stopper (14) and spacing groove (15), make fuse-element (4) and conducting strip (3) keep stable laminating.
2. A circuit protection fuse as defined in claim 1, wherein: both ends all are fixed with shutoff piece (601) around mounting panel (6), and fuse-element (4) on mounting panel (6) set up the number and be two, shelter from one side opening of shell body (1).
3. A circuit protection fuse as claimed in claim 1 or claim 2, wherein: the auxiliary wheel (8) is fixed on the lower surface of the mounting plate (6), and the auxiliary wheel (8) is symmetrically arranged on the left and right sides of the central line of the mounting plate (6) to assist the movement of the mounting plate (6) in the outer shell (1).
4. A circuit protection fuse as defined in claim 1, wherein: the clamping mechanism is composed of elastic clamping pieces (7), and the elastic clamping pieces (7) are symmetrically arranged on the left and right sides of the central line of the melt (4) to provide clamping limiting force for the melt (4).
5. A circuit protection fuse as defined in claim 1, wherein: the number of the limiting grooves (15) is the same as the number of the melts (4), a concave-convex matching structure is formed between the limiting grooves (15) and the limiting blocks (14), and an up-down sliding structure is formed between the limiting blocks (14) and the mounting plate (6).
6. A circuit protection fuse as defined in claim 1 or 5, wherein: the outer end of conducting strip (3) is kept being connected through connecting wire (5) and pencil link (2), and the outside of conducting strip (3) is fixed with connecting rod (16) to constitute left and right sliding construction between connecting rod (16) through second spring (17) and shell body (1), provide interior thrust for conducting strip (3) through second spring (17) cooperation connecting rod (16).
7. The circuit protection fuse of claim 6, wherein: the outer end of the connecting rod (16) is fixedly provided with a first magnetic block (18), the outer side of the first magnetic block (18) is provided with a second magnetic block (19), and the first magnetic block (18) and the second magnetic block (19) are oppositely arranged in a different-name magnetic pole mode;
a vertical sliding structure is formed between the second magnetic block (19) and the outer shell (1), a connecting plate (20) is connected below the second magnetic block (19), a transmission plate (21) is connected above the connecting plate (20), and a pressing plate (22) is fixed above the transmission plate (21);
the pressing plate (22) is arranged below the limiting groove (15), a third spring (23) is arranged below the pressing plate (22) and provides an upward pushing restoring force for the pressing plate (22), and the elastic force of the third spring (23) is smaller than that of the first spring (11), so that the limiting block (14) and the limiting groove (15) can be connected to push the pressing plate (22) to move.
8. A circuit protection fuse as defined in claim 2, wherein: the front side and the rear side of the outer shell (1) are both provided with protection mechanisms for protecting the end part of the melt (4).
9. The circuit protection fuse of claim 8, wherein: the protection mechanism consists of a contact protection plate (24) and a fourth spring (25);
the contact protection plates (24) are symmetrically arranged on the left and right sides of the central line of the outer shell (1) and are attached to the two ends of the melt (4) to provide protection for the melt, and the inner side surfaces of the contact protection plates (24) are designed in an arc-shaped structure;
and a fourth spring (25) arranged on the outer side of the contact protection plate (24) and used for providing thrust for the contact protection plate (24) so as to keep stable fit with the melt (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377583.4A CN114743845B (en) | 2022-04-12 | 2022-04-12 | Circuit protection fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210377583.4A CN114743845B (en) | 2022-04-12 | 2022-04-12 | Circuit protection fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114743845A CN114743845A (en) | 2022-07-12 |
| CN114743845B true CN114743845B (en) | 2023-12-29 |
Family
ID=82280571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210377583.4A Active CN114743845B (en) | 2022-04-12 | 2022-04-12 | Circuit protection fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114743845B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828256A (en) * | 2019-11-28 | 2020-02-21 | 曹欢 | Safety fuse convenient to change fuse-element |
| CN211479975U (en) * | 2020-01-15 | 2020-09-11 | 恒特电气有限公司 | Fuse base convenient for replacing parts |
| CN213212096U (en) * | 2020-11-17 | 2021-05-14 | 西安苏熔电器有限公司 | Low-voltage protection customization fast acting fuse |
| CN215342481U (en) * | 2021-08-07 | 2021-12-28 | 浙江雷一电气有限公司 | Outdoor high-voltage fuse convenient to change fusion tube |
-
2022
- 2022-04-12 CN CN202210377583.4A patent/CN114743845B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828256A (en) * | 2019-11-28 | 2020-02-21 | 曹欢 | Safety fuse convenient to change fuse-element |
| CN211479975U (en) * | 2020-01-15 | 2020-09-11 | 恒特电气有限公司 | Fuse base convenient for replacing parts |
| CN213212096U (en) * | 2020-11-17 | 2021-05-14 | 西安苏熔电器有限公司 | Low-voltage protection customization fast acting fuse |
| CN215342481U (en) * | 2021-08-07 | 2021-12-28 | 浙江雷一电气有限公司 | Outdoor high-voltage fuse convenient to change fusion tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114743845A (en) | 2022-07-12 |
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