CN114520134A - Environment-friendly fuse for electrical equipment - Google Patents
Environment-friendly fuse for electrical equipment Download PDFInfo
- Publication number
- CN114520134A CN114520134A CN202210176479.9A CN202210176479A CN114520134A CN 114520134 A CN114520134 A CN 114520134A CN 202210176479 A CN202210176479 A CN 202210176479A CN 114520134 A CN114520134 A CN 114520134A
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- Prior art keywords
- fuse
- main body
- conducting rod
- inner cavity
- fuse main
- 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.)
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- H01H85/47—Means for cooling
-
- 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
- H01H85/0039—Means for influencing the rupture process of the fusible element
- H01H85/0043—Boiling of a material associated with the fusible element, e.g. surrounding fluid
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- Fuses (AREA)
Abstract
The invention relates to the technical field of fuse equipment, and discloses an environment-friendly fuse for electrical equipment, which comprises a fuse main body, wherein a fuse core body is movably sleeved in an inner cavity at the top of the fuse main body and is positioned under a third conductive rod, the third conductive rod and the second conductive rod are in conductive connection through the fuse core body, a first connecting through groove hole communicated with the inner cavity of the fuse main body is formed in one side of the inner part of the fuse main body, and a cooling reflux groove hole which is in a conical thread shape and is communicated with the top end of the first connecting through groove hole is formed in the other side of the inner part of the fuse main body. The environment-friendly fuse for the electrical equipment is arranged on the fuse core body, the fuse body on the fuse core body is used as a trigger medium of the fuse, the vaporized insulating oil on the fuse core body is used as a trigger condition of the fuse, the fuse can be recycled by replacing the fuse core body when in use, and the fuse is low in cost and high in recycling rate in the use process.
Description
Technical Field
The invention relates to the technical field of fuse equipment, in particular to an environment-friendly fuse for electrical equipment.
Background
The fuse is an important element part for bearing circuit current breaking, can automatically cut off the current communication in a circuit when faults such as overload, short circuit or undervoltage occur to a power supply circuit or electric equipment so as to form effective protection to the power supply circuit or the electric equipment and prevent the electric equipment from causing serious production safety accidents, so the fuse is an extremely important existence in the processes of generating, transmitting and using electric power.
The fuse has the advantages that the existing fuse is mainly used for breaking a circuit by fusing a melt on the fuse due to the fact that the current exceeds a specified value, and the important condition for triggering is the accumulation degree of heat generated on the fuse, so that the fuse has a very obvious ampere-second characteristic (namely, when the overload current is small, the fusing time is long; when the overload current is large, the fusing time is short), and further, in a certain overload current range, when the overload current is recovered to be normal in time, the fuse cannot be fused, so that certain potential safety hazards exist in the using process of the existing fuse;
meanwhile, when current flows through a fuse element on the existing fuse, certain heat is inevitably generated, and in the process of long-time current flowing, the heat accumulation speed is gradually higher than the diffusion speed due to the rise of the ambient temperature, so that the phenomenon of mistaken fusing triggering of the fuse element on the fuse element is caused, and the stability and the reliability are poor.
Therefore, a fuse structure for electrical equipment that can be used for a long time is needed to solve the above-mentioned drawbacks of the conventional fuse in the using process.
Disclosure of Invention
Technical problem to be solved
The invention provides an environment-friendly fuse for electrical equipment, which has the advantages of higher sensitivity, capability of effectively relieving ampere-second characteristics in the existing fuse, improvement on the safety of the power circuit and the electrical equipment in the use and operation processes, higher reliability and no possibility of mistaken fuse triggering caused by normal temperature rise of a melt on the power circuit and the electrical equipment, and solves the problem that the existing fuse cannot be fused in a certain overload current range due to ampere-second characteristics when the overload current is recovered to be normal in time, so that the existing fuse has certain potential safety hazard in the use process; meanwhile, when current flows through a fuse element on the existing fuse, certain heat is inevitably generated, and in the process of long-time current flowing, the heat accumulation speed is gradually higher than the diffusion speed due to the rise of the ambient temperature, so that the phenomenon of mistaken fusing triggering of the fuse element on the fuse element is caused, and the stability and the reliability are poor.
(II) technical scheme
The invention provides the following technical scheme: an environment-friendly fuse for electrical equipment comprises a fuse main body, wherein a sealing base of which the end part is arranged in a high-low shape is fixedly arranged at the bottom of an inner cavity of the fuse main body, a first conducting rod extending to the bottom of the sealing base is fixedly arranged at one side of the inner part of the sealing base, a second conducting rod is fixedly arranged in the top of the fuse main body and right above the first conducting rod, the bottom of the second conducting rod and the first conducting rod extending to the middle part of the inner cavity of the fuse main body form conductive connection through a conductive heating body, a third conducting rod extending to the top of the fuse main body is fixedly arranged at one side of the inner part of the top of the fuse main body, and a trigger spring is movably sleeved at the bottom of the outer surface of the third conducting rod and in an inner cavity at the top of the fuse main body;
fuse core has been cup jointed in the activity under the inner chamber at fuse main part top and being located the third conducting rod, form electrically conductive the being connected through the fuse core between third conducting rod and the second conducting rod, the inside one side of fuse main part is equipped with the first connecting slot hole that is linked together rather than the inner chamber, and is equipped with the cooling reflux slotted hole that is the toper screw thread form and is linked together with the top of first connecting slot hole at its inside opposite side, the top of fuse main part inner chamber is equipped with second intercommunication slotted hole, and has cup jointed the counter weight briquetting in the inner wall activity of second intercommunication slotted hole, the inside on fuse main part top is equipped with the inner chamber of third intercommunication slotted hole in order to communicate second intercommunication slotted hole and fuse main part top.
Preferably, the inner cavity of the fuse main body is filled with insulating oil with the boiling point lower than 80 ℃, and the liquid level of the insulating oil is positioned above the top end of the conductive heating element.
Preferably, the first connecting slot is used for guiding the vaporized insulating oil and cooling the insulating oil through the cooling return slot, and simultaneously the heating rate of the conductive heating element is kept to be the same as the heat dissipation rate of the insulating oil.
Preferably, an "h" type structure is formed between the second communication slot and the third communication slot, and the counter weight pressing block is located on a node of the "h" structure in the initial state.
Preferably, the fuse core body comprises a conductor and a fuse link, the cross section of the conductor and the cross section of the fuse link are in an I-shaped structure, the second conducting rod and the third conducting rod form conducting communication under the action of the conductor in an initial state, and a notch on the fuse link at one end of the third communication slot is communicated.
Preferably, the fuse link is made of paraffin with the boiling point of 60 ℃, and one side of the outer surface of the fuse main body is provided with a flow guide slot hole extending into the inner cavity of the top of the fuse main body for guiding the fuse link in a molten state to flow out of the fuse.
Preferably, the trigger spring is in a compressed state when the fuse is normally connected, and the pressure applied by the elastic force to the fuse link on the fuse core body is smaller than the pressure which the fuse link can bear.
(III) advantageous effects
The invention has the following beneficial effects:
1. this an environmental protection type fuse for electrical equipment, to the setting of electrically conductive heat-generating body, first intercommunication slotted hole and water conservancy diversion slotted hole on the fuse main part, and cooperate second intercommunication slotted hole, third intercommunication slotted hole and counter weight briquetting, through the rate of heating of electrically conductive heat-generating body and the cooling rate of the insulating oil that fills above that with regard as the trigger condition of this fuse, compare with current fuse utilization thermal accumulative degree above that as trigger condition, in order effectively to alleviate ampere second characteristic that exists in the current fuse, and make it have higher sensitivity, can in time cut off the circuit circulation above that when overcurrent appears, security and reliability are higher.
2. This an environmental protection type fuse for electrical equipment, to the setting of electrically conductive heat-generating body, first connecting slot and water conservancy diversion slotted hole on the fuse main part, and can realize the cooling operation to this fuse through the insulating oil that fills above that, and then make it can keep working at specific temperature range, compare with current fuse, can effectively solve because of the inevitable phenomenon of rising the temperature of fuse-element above that leads to this fuse to trigger by mistake that the temperature is too high and take place in long-time use, fusing phenomenon, stability and the reliability of this fuse in the use have further been improved.
3. The environment-friendly fuse for the electrical equipment is characterized in that the fuse core body is arranged to use the fuse body on the fuse core body as a trigger medium of the fuse, and the vaporized insulating oil on the fuse core body is used as a trigger condition of the fuse, and the fuse can be recycled by replacing the fuse core body when in use, so that the fuse has low cost and high recycling rate in the use process.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 3 is a schematic structural view of the present invention in normal operation;
FIG. 4 is a schematic diagram of the power-off triggering structure of the present invention.
In the figure: 1. a fuse body; 2. sealing the base; 3. a first conductive rod; 4. a conductive heating element; 5. a second conductive rod; 6. a third conductive rod; 7. a trigger spring; 8. fusing the core body; 9. a first communication slot; 10. cooling the reflux slot; 11. a flow guide slot hole; 12. a core changing valve; 13. an electrical conductor; 14. a fuse link; 15. a second communication slot; 16. a third communicating slot; 17. and (4) balancing weight pressing blocks.
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, an environment-friendly fuse for electrical equipment comprises a fuse main body 1, a sealing base 2 with high-low-shaped end portions is fixedly installed at the bottom of an inner cavity of the fuse main body 1, a first conductive rod 3 extending to the bottom of the sealing base 2 is fixedly installed at one side inside the sealing base 2, a second conductive rod 5 is fixedly installed inside the top end of the fuse main body 1 and located right above the first conductive rod 3, the bottom end of the second conductive rod 5 and the first conductive rod 3 extending to the middle of the inner cavity of the fuse main body 1 form conductive connection through a conductive heating body 4, a third conductive rod 6 extending to the top of the fuse main body 1 is fixedly installed at one side inside the top end of the fuse main body 1, and a trigger spring 7 is movably sleeved at the bottom of the outer surface of the third conductive rod 6 and in the inner cavity located at the top of the fuse main body 1;
a fusing core body 8 is movably sleeved in an inner cavity at the top of the fuse main body 1 and is positioned right below the third conducting rod 6, the fuse is connected to a circuit of electric equipment through the fuse main body 1 and the third conducting rod 6, the third conducting rod 6 and the second conducting rod 5 are in conductive connection through the fusing core body 8, a first communicating slotted hole 9 communicated with the inner cavity of the fuse main body 1 is arranged at one side in the fuse main body 1, a cooling reflux slotted hole 10 which is in a conical thread shape and communicated with the top end of the first communicating slotted hole 9 is arranged at the other side in the fuse main body, the bottom end of the cooling reflux slotted hole 10 is communicated with the bottom of the inner cavity of the fuse main body 1, as shown in figure 2, a second communicating slotted hole 15 is arranged at the top of the inner cavity of the fuse main body 1, a counterweight pressing block 17 is movably sleeved on the inner wall of the second communicating slotted hole 15, a third communicating slotted hole 16 is arranged in the top of the fuse main body 1 to communicate the second communicating slotted hole 15 with the inner cavity at the top of the fuse main body 1, the top of the outer surface of the fuse main body 1 is provided with a fuse core replacing valve 12 so as to facilitate the replacement processing of the fuse core 8 in the inner cavity of the top of the fuse main body.
In the technical scheme, insulating oil with the boiling point lower than 80 ℃ is filled in the inner cavity of the fuse main body 1, and the liquid level of the insulating oil is positioned above the top end of the conductive heating body 4.
In the technical scheme, the first connecting through slot 9 is used for guiding the vaporized insulating oil and cooling the insulating oil through the cooling reflux slot 10, and meanwhile, the heating rate of the conductive heating element 4 is kept to be the same as the heat dissipation rate of the insulating oil, so that the fuse is kept in a specific temperature range, and the phenomenon of no-trigger fusing of the fuse due to self heating is avoided.
In this embodiment, an "h" shaped structure is formed between the second communicating slot 15 and the third communicating slot 16, and the counterweight pressing block 17 is located at a node of the "h" structure in the initial state to block the communication between the second communicating slot 15 and the third communicating slot 16.
In the technical scheme, the fusing core body 8 comprises a conductor 13 and a fuse link 14, the cross sections of which are in an I-shaped structure, the second conducting rod 5 and the third conducting rod 6 form conducting communication under the action of the conductor 13 in an initial state, the end surfaces of the second conducting rod 5 and the fuse link 14 are staggered with each other due to the I-shaped structure of the conductor 13 after the fuse link is triggered, a notch in the fuse link 14 at one end of a third communication slotted hole 16 is communicated, and the vaporized insulating oil is used for melting the fuse link 14 to trigger the fuse link and cut off the circuit communication on the circuit or the electric equipment.
In the technical scheme, the fuse link 14 is made of paraffin with the boiling point of 60 ℃, and one side of the outer surface of the fuse main body 1 is provided with a flow guide slot hole 11 extending into the inner cavity at the top of the fuse main body 1 for guiding the fuse link 14 in a melting state to flow out of the fuse.
In this technical scheme, trigger spring 7 is the state of compression when this fuse is normally connected, and its elasticity is less than its pressure that can bear to the pressure that fuse-link 14 exerted on fuse-link body 8, and then effectively prevents that fuse-link 14 from taking place the condition emergence of breakage because of the too big pressure that trigger spring 7 exerted.
The use method and the working principle of the embodiment are as follows:
as shown in FIG. 3, when the line or the electric equipment is normal, the current flows through the first conductive rod 3, the conductive heating element 4, the second conductive rod 5, the conductive body 13 and the third conductive rod 6 of the fuse, meanwhile, the conductive heating element 4 continuously generates certain heat due to the through-flow of the current of the conductive heating element to heat the insulating oil filled in the inner cavity of the fuse body 1, and is vaporized after the temperature of the insulating oil is raised to the boiling point, then flows into the cooling return slot 10 via the first communication slot 9 and liquefies it, further cooling the hydraulic oil thereon, keeping the heating rate of the conductive heating element 4 within a certain temperature range because the heating rate is the same as the cooling rate of the insulating oil, further, the pressure in the inner cavity of the fuse body 1 is kept in a relatively constant state, and the phenomenon that the fuse is fused without triggering due to the rise of the temperature of the fuse is avoided;
As shown in fig. 4, and the heat generation rate of the conductive heat-generating body 4 is increased when abnormality occurs in the line or the electric device, thereby breaking the heating rate of the conductive heating element 4 in the fuse and the cooling rate of the insulating oil on the conductive heating element, and the air pressure in the inner cavity of the fuse main body 1 is increased to force the counterweight pressing block 17 on the second communication slot hole 15 to move upwards, to communicate the second communication slot hole 15 and the third communication slot hole 16 so that the vaporized high-temperature insulating oil enters the internal cavity of the top portion of the fuse main body 1, and melts the fuse link 14 on the fuse core body 8 and flows out through the diversion slot hole 11, and then moves downwards under the action of the elastic force of the trigger spring 7 and the gravity of the electric conductor 13, the outer surface of the conductor 13 and the end surface of the second conductive rod 5 are offset from each other to cut off the current flow on the line and protect the power supply line or the electric equipment.
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 (7)
1. An environment-friendly fuse for electrical equipment comprises a fuse main body (1), wherein the bottom of an inner cavity of the fuse main body (1) is fixedly provided with a sealing base (2) of which the end is arranged in a high-low manner, one side of the inside of the sealing base (2) is fixedly provided with a first conducting rod (3) extending to the bottom of the sealing base, the inside of the top end of the fuse main body (1) is fixedly provided with a second conducting rod (5) directly above the first conducting rod (3), the bottom of the second conducting rod (5) and the first conducting rod (3) extending to the middle part of the inner cavity of the fuse main body (1) form conductive connection through a conductive heating body (4), one side of the inside of the top end of the fuse main body (1) is fixedly provided with a third conducting rod (6) extending to the top of the fuse main body, the bottom of the outer surface of the third conducting rod (6) and the inner cavity at the top of the fuse main body (1) are movably sleeved with a trigger spring (7), the method is characterized in that:
A fusing core body (8) is movably sleeved in an inner cavity at the top of the fuse main body (1) and right below the third conducting rod (6), the third conducting rod (6) and the second conducting rod (5) form conductive connection through a fusing core body (8), a first communicating slotted hole (9) communicated with the inner cavity of the fuse main body (1) is arranged at one side in the fuse main body (1), and a cooling reflux slot hole (10) which is in a conical thread shape and is communicated with the top end of the first communicating slot hole (9) is arranged on the other side inside the cooling reflux slot hole, the top of the inner cavity of the fuse main body (1) is provided with a second communicating slotted hole (15), and a counterweight pressing block (17) is movably sleeved on the inner wall of the second communicating slotted hole (15), the inside at fuse main part (1) top is equipped with third intercommunication slotted hole (16) in order to communicate second intercommunication slotted hole (15) and the inner chamber at fuse main part (1) top.
2. An environmentally friendly fuse for electrical equipment as claimed in claim 1, wherein: insulating oil with the boiling point lower than 80 ℃ is filled in the inner cavity of the fuse main body (1), and the liquid level of the insulating oil is positioned above the top end of the conductive heating body (4).
3. An environmentally friendly fuse for electrical equipment as claimed in claim 2, wherein: the first communication slot hole (9) is used for guiding the vaporized insulating oil and cooling the insulating oil through the cooling reflux slot hole (10), and meanwhile, the heating rate of the conductive heating body (4) is kept to be the same as the heat dissipation rate of the insulating oil.
4. An environmentally friendly fuse for electrical appliances according to claim 3, wherein: an 'h' -shaped structure is formed between the second communication slot hole (15) and the third communication slot hole (16), and the counterweight pressing block (17) is positioned on a node of the 'h' -shaped structure in the initial state.
5. An environmentally friendly fuse for electrical appliances according to claim 4, wherein: the fuse core body (8) comprises a conductor (13) and a fuse body (14) with cross sections in an I-shaped structure, the second conducting rod (5) and the third conducting rod (6) form conducting communication under the action of the conductor (13) in an initial state, and a notch in the fuse body (14) at one end of the third communication slotted hole (16) is communicated.
6. An environmentally friendly fuse for electrical appliances according to claim 5, wherein: fuse-link (14) adopt the boiling point be 60 ℃ paraffin material make and form, one side of fuse main part (1) surface is equipped with the water conservancy diversion slotted hole (11) that extend to in fuse main part (1) top inner chamber for fuse-link (14) under the guide molten state flow out this fuse.
7. An environmentally friendly fuse for electrical appliances according to claim 6, wherein: the trigger spring (7) is in a compressed state when the fuse is normally communicated, and the pressure applied by the elastic force of the trigger spring to the fuse link (14) on the fuse core body (8) is smaller than the pressure capable of being borne by the trigger spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210176479.9A CN114520134B (en) | 2022-02-25 | 2022-02-25 | Environment-friendly fuse for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210176479.9A CN114520134B (en) | 2022-02-25 | 2022-02-25 | Environment-friendly fuse for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114520134A true CN114520134A (en) | 2022-05-20 |
| CN114520134B CN114520134B (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210176479.9A Active CN114520134B (en) | 2022-02-25 | 2022-02-25 | Environment-friendly fuse for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114520134B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118213123A (en) * | 2024-03-20 | 2024-06-18 | 常熟虞星光电科技有限公司 | Aluminum alloy cable capable of being communicated automatically |
| CN118737774A (en) * | 2024-07-03 | 2024-10-01 | 小洋电源股份有限公司 | A battery current fuse protector |
| CN120165504A (en) * | 2025-05-19 | 2025-06-17 | 浙江中贝能源科技有限公司 | Grid-side fault processing method based on intelligent fuse and related device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB401334A (en) * | 1932-03-31 | 1933-10-31 | Robert Henry Abell | Improvements in or in connection with the use of electric fuses |
| GB432053A (en) * | 1934-02-23 | 1935-07-19 | George Edward Green | Improvements in or relating to thermally-operated temperature-limiting devices |
| GB437933A (en) * | 1934-05-23 | 1935-11-07 | British Thomson Houston Co Ltd | Improvements in and relating to electric circuit interrupters |
| GB474679A (en) * | 1936-05-04 | 1937-11-04 | Weekes Luton Ltd L | Improvements in or relating to electric fuses |
| JPH08329819A (en) * | 1995-05-31 | 1996-12-13 | Sony Corp | High voltage breaking fuse |
| CN112542367A (en) * | 2020-11-26 | 2021-03-23 | 国网河南省电力公司商丘供电公司 | Fuse for power distribution protection |
| CN112820605A (en) * | 2021-01-04 | 2021-05-18 | 孙贵现 | Fuse for power distribution system |
-
2022
- 2022-02-25 CN CN202210176479.9A patent/CN114520134B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB401334A (en) * | 1932-03-31 | 1933-10-31 | Robert Henry Abell | Improvements in or in connection with the use of electric fuses |
| GB432053A (en) * | 1934-02-23 | 1935-07-19 | George Edward Green | Improvements in or relating to thermally-operated temperature-limiting devices |
| GB437933A (en) * | 1934-05-23 | 1935-11-07 | British Thomson Houston Co Ltd | Improvements in and relating to electric circuit interrupters |
| GB474679A (en) * | 1936-05-04 | 1937-11-04 | Weekes Luton Ltd L | Improvements in or relating to electric fuses |
| JPH08329819A (en) * | 1995-05-31 | 1996-12-13 | Sony Corp | High voltage breaking fuse |
| CN112542367A (en) * | 2020-11-26 | 2021-03-23 | 国网河南省电力公司商丘供电公司 | Fuse for power distribution protection |
| CN112820605A (en) * | 2021-01-04 | 2021-05-18 | 孙贵现 | Fuse for power distribution system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118213123A (en) * | 2024-03-20 | 2024-06-18 | 常熟虞星光电科技有限公司 | Aluminum alloy cable capable of being communicated automatically |
| CN118737774A (en) * | 2024-07-03 | 2024-10-01 | 小洋电源股份有限公司 | A battery current fuse protector |
| CN120165504A (en) * | 2025-05-19 | 2025-06-17 | 浙江中贝能源科技有限公司 | Grid-side fault processing method based on intelligent fuse and related device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114520134B (en) | 2022-11-18 |
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