CN111863564A - Fuse tube with long service life - Google Patents
Fuse tube with long service life Download PDFInfo
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- CN111863564A CN111863564A CN202010654388.2A CN202010654388A CN111863564A CN 111863564 A CN111863564 A CN 111863564A CN 202010654388 A CN202010654388 A CN 202010654388A CN 111863564 A CN111863564 A CN 111863564A
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- fuse
- tube
- arc extinguishing
- piston
- wire
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- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 230000009471 action Effects 0.000 description 14
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
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- 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
- H01H85/38—Means for extinguishing or suppressing arc
- H01H85/42—Means for extinguishing or suppressing arc using an arc-extinguishing gas
-
- 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
Abstract
The invention relates to the field of power accessories and discloses a fuse tube with a long service life, which comprises a fuse tube, wherein an arc extinguishing tube is arranged in the middle of the inner cavity of the fuse tube, one end of the fuse tube is hermetically connected with a side cover of the fuse tube, a first lead is hermetically connected in the middle of the side cover of the fuse tube in a sealing mode, the first lead is movably sleeved with the side cover of the fuse tube, a baffle plate positioned in the side cover of the fuse tube is fixedly sleeved on the first lead, and a pressure spring in a state is arranged between the baffle plate and the inner wall of the side cover of the fuse tube, which is close to one side of the fuse tube. Through the negative pressure suction of the arc extinguishing chamber to the first sliding plug, the elasticity of the original pressure spring and the negative pressure suction difference of the compensation chamber to the first piston, the tension of the fuse wire is greatly reduced, the problem that the fuse wire is subjected to the large tension of the compression spring for a long time and is softened under the condition of self power-on high temperature, the tensile strength is reduced, and the fuse wire is easy to break automatically is solved, so that the whole service life of the fuse wire barrel is prolonged.
Description
Technical Field
The invention relates to the field of power accessories, in particular to a fuse tube with a long service life.
Background
The fuse cylinder is an important accessory on the power switch cabinet, the outside is an insulated cylinder tube, the inside is connected with two wires and a fuse wire, the fuse wire is used for protecting a circuit system, the fuse wire is heated and automatically broken under high current when short circuit occurs, and one wire is drawn out of the fuse cylinder and is completely separated from the other wire by means of pressure recovery of an outside pressure spring, so that automatic switching-off action is realized.
Because the fuse wire is under the normal state, the self receives the elasticity effect of pressure spring, the fuse wire is in the state of being drawn, the fuse wire is under long-term circular telegram, self temperature rises, though can not reach the off-state, but appear softening easily, along with long-time circular telegram, high temperature environment effect, the tensile strength of fuse wire reduces, the easy mistake that appears breaks, lead to the reduction of the conventional life of fuse cylinder, and in order to carry out the arc extinguishing when the fuse wire fuses, often locate the vacuum negative pressure environment in the fuse cylinder, because the true control environment mainly depends on the radiation heat dissipation, heat transfer effect is poor, make the fuse wire produce after the arc extinguishing local temperature, be difficult for scattering, lead to other parts of fuse cylinder to burn out easily, make the life of fuse cylinder reduce.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides the fuse tube with long service life, which has the advantage of long service life and solves the problems in the background technology.
The invention provides the following technical scheme: a fuse tube with long service life comprises a fuse tube, an arc extinguishing tube is arranged in the middle of an inner cavity of the fuse tube, one end of the fuse tube is hermetically connected with a side cover of the fuse tube, a first lead is hermetically sleeved in the middle of the side cover of the fuse tube and movably sleeved with the side cover of the fuse tube, a baffle plate positioned in the side cover of the fuse tube is fixedly sleeved on the first lead, a pressure spring in a state is arranged between the baffle plate and the inner wall of the side cover of the fuse tube close to one side of the fuse tube, the other end of the fuse tube is hermetically connected with a seal cover of the fuse tube, a second lead is hermetically connected in the middle of the seal cover of the fuse tube, the arc extinguishing tube is arranged in the middle of the inner cavity of the fuse tube, a fuse wire positioned in the inner cavity of the arc extinguishing tube is fixedly connected between one end of the first lead and one end of the second lead, a first piston positioned in the inner cavity of the arc extinguishing tube is fixedly sleeved on the first lead, the, the second lead is fixedly sleeved with a second piston positioned in the arc extinguishing pipe, the outer side of the second piston is movably sleeved with the inner wall of the arc extinguishing pipe, the middle part of the top end of the arc extinguishing pipe is provided with a through hole, the top of the fuse tube is provided with a first exhaust pipe positioned at the through hole of the arc extinguishing pipe, one side of the top of the fuse tube is provided with a throttle pipe, one side of the side cover of the fuse tube is fixedly connected with a limit spring, one end of the limit spring is fixedly connected with a first ring plug, the first ring plug is positioned at the throttle pipe, one end of the first ring plug is movably connected with one end of the arc extinguishing pipe, the first ring plug is movably sleeved with the first lead, the diameter of the through groove in the middle of the first ring plug is smaller than that of the first piston, one end of the arc extinguishing pipe is also provided with a second exhaust pipe positioned at one side of the throttle pipe, and a cavity is formed between the first piston and the second piston, and the left side of the first piston in the fuse tube forms a compensation chamber, and the vacuum negative pressure of the arc extinguishing chamber is greater than that of the compensation chamber on the left side.
Preferably, the bottom that the fuse bobbin is close to fuse section of thick bamboo closing cap one side is equipped with the intake pipe, the inner chamber movable sleeve of fuse section of thick bamboo has the second ring stopper of shutoff intake pipe, fixedly connected with gangbar between second ring stopper and the second piston, and gangbar and second ring stopper pass through screw fixed connection, be equipped with the spacing extension spring of activity suit on the second wire between second piston and the fuse section of thick bamboo closing cap, and spacing extension spring is in tensile state, the middle part inner wall contactless of spacing extension spring and second ring stopper, the one end switch-on of intake pipe has gaseous pressurizing mechanism.
Preferably, the gas pressurizing mechanism comprises an inflation tube, a positioning spring is fixedly connected to one side of the inner cavity of the inflation tube, a driven piston is fixedly connected to one end of the positioning spring, the outer side of the driven piston is movably sleeved with the inner wall of the inflation tube, an air guide tube is arranged on the other side of the inflation tube and communicated with one end of an air inlet tube, and the bottom of the inflation tube, which is close to one side of the air guide tube, is provided with the inflation tube.
Preferably, a first stopper located at one side of the first piston is disposed at one side of the inside of the arc extinguishing tube, and a second stopper located at one side of the second piston is disposed at the other side of the inside of the arc extinguishing tube.
Preferably, the top and the bottom of arc extinguishing pipe towards fuse cylinder side cap one side have all been seted up the spout, and the top and the bottom of fuse cylinder tube inner chamber all are equipped with the fixture block with the spout joint.
The invention has the following beneficial effects:
1. this fuse cylinder from life is high, first piston and second piston design through arc extinguishing pipe and both sides, make first piston both sides constitute arc extinguishing chamber and compensation chamber, the fuse is located the arc extinguishing chamber of arc extinguishing pipe under the normality, utilize the vacuum negative pressure environment in the arc extinguishing chamber, ensure when the fuse fuses, play the effect of arc extinguishing, and through the negative pressure suction of arc extinguishing chamber to first sliding plug and the elasticity of original pressure spring, the compensation chamber is the pulling force of fuse to the negative pressure suction difference of first piston, very big reduction the pulling force of fuse under the normal condition, avoided the fuse to receive the great pulling force effect of pressure spring for a long time, soften under the circumstances of self circular telegram high temperature, tensile strength reduces, the problem of easy autotomication, thereby the whole life of fuse cylinder has been improved.
2. After the fuse wire fusing action, under the action of the elasticity of the pressure spring and the vacuum negative pressure of the compensation chamber, the first piston and the first lead are integrally moved to the left, the first piston drives the first ring plug to move to the left and is separated from the throttle pipe, at the moment, the arc extinguishing action after the fuse wire fusing is finished before the first ring plug moves, the fuse wire bobbin and the inner cavity of the arc extinguishing pipe are communicated with the external space, the heat of arc extinguishing in the fuse wire bobbin and the arc extinguishing pipe is convenient to dissipate, the problem that other components in the fuse wire bobbin and the arc extinguishing pipe are damaged due to high temperature after the arc extinguishing of the arc extinguishing pipe is avoided, and the service life of the fuse wire bobbin is further prolonged.
3. After the fuse wire is fused, under the throttling action of the throttling pipe, external airflow slowly enters so as to provide sufficient time for gas to absorb heat, the air pressure of the left chamber of the second piston in the fuse wire bobbin and the arc extinguishing pipe is gradually increased until the negative pressure suction force of the side chamber to the second piston is smaller than the tension force of the limit tension spring, under the tension force action of the limit tension spring, the second piston drives the second ring plug to move right to be separated from the air inlet pipe, the gas pressurizing mechanism inflates the chambers in the fuse wire bobbin and the arc extinguishing pipe through the air inlet pipe, and the airflow drives the airflow after the heat absorption of the fuse wire bobbin and the inner chamber of the arc extinguishing pipe to flow out of the throttling pipe, so that hot air is discharged conveniently, the heat dissipation effect of the fuse wire bobbin after the fuse wire is fused is further improved, and the service life of the fuse wire bobbin.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the second ring plug structure of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic structural view of the gas charging mechanism of FIG. 1 according to the present invention.
In the figure: 1. a fuse bobbin; 101. a clamping block; 102. a first exhaust tube; 2. an arc extinguishing tube; 201. a first stopper; 202. a second stopper; 203. a chute; 3. a first conductive line; 4. a second conductive line; 5. fusing the wires; 6. a fuse barrel side cover; 7. a first ring plug; 8. a limiting spring; 9. a throttle pipe; 10. a first piston; 11. sealing the fuse cylinder; 12. a second piston; 121. a linkage rod; 13. a limit tension spring; 14. a second ring plug; 15. an air inlet pipe; 16. a gas pressurizing mechanism; 161. an inflation tube; 162. a positioning spring; 163. a passive piston; 164. an air duct; 165. an inflation tube; 17. and a second exhaust tube.
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. 1-3, a fuse tube with a long service life includes a fuse tube 1, an arc extinguishing tube 2 is disposed in the middle of an inner cavity of the fuse tube 1, one end of the fuse tube 1 is hermetically connected with a side cover 6 of the fuse tube, a first conductive wire 3 is hermetically connected to the middle of the side cover 6 of the fuse tube, the first conductive wire 3 is movably sleeved with the side cover 6 of the fuse tube, a baffle plate disposed in the side cover 6 of the fuse tube is fixedly sleeved on the first conductive wire 3, a compression spring in a state is disposed between the baffle plate and the inner wall of the side cover 6 of the fuse tube near the side of the fuse tube 1, when the fuse wire 5 between the first conductive wire 3 and the second conductive wire 4 is fused, the baffle plate, which is the first conductive wire 3, is moved out of the side cover 6 of the fuse tube under the elastic force of the compression spring, so that people know that the fuse wire 5 is fused, the other end of the fuse tube 1 is hermetically connected with a fuse tube sealing cover 11, and the middle of, an arc extinguishing tube 2 is arranged in the middle of an inner cavity of a fuse bobbin 1, a fuse wire 5 located in the inner cavity of the arc extinguishing tube 2 is fixedly connected between a first lead 3 and one end of a second lead 4, a first piston 10 located in the inner cavity of the arc extinguishing tube 2 is fixedly sleeved on the first lead 3, the outer side of the first piston 10 is movably sleeved with the inner wall of the arc extinguishing tube 2, a second piston 12 located in the arc extinguishing tube 2 is fixedly sleeved on the second lead 4, the outer side of the second piston 12 is movably sleeved with the inner wall of the arc extinguishing tube 2, a through hole is formed in the middle of the top end of the arc extinguishing tube 2, a first exhaust tube 102 located at the through hole of the arc extinguishing tube 2 is arranged at the top of the fuse bobbin 1, a throttle tube 9 is arranged on one side of the top of the fuse bobbin 1, a limit spring 8 is fixedly connected to one side of a side cover 6 of the fuse bobbin, a first ring plug 7 is fixedly connected to one end of the limit spring, one end of the first annular plug 7 is movably connected with one end of the arc extinguishing tube 2, the first annular plug 7 is movably sleeved with the first lead 3, the diameter of the through groove in the middle of the first annular plug 7 is smaller than that of the first piston 10, one end of the arc extinguishing tube 2 is also provided with a second air exhaust tube 17 positioned on one side of the throttle tube 9, an arc extinguishing chamber between the first piston 10 and the second piston 12 in the arc extinguishing tube 2 is vacuumized under negative pressure through the first lead 3, a left side compensation chamber of the first piston 10 in the fuse tube 1 is vacuumized under negative pressure through the second air exhaust tube 17, the vacuum of the arc extinguishing chamber between the first piston 10 and the second piston 12 in the arc extinguishing tube 2 is slightly larger than the left side compensation chamber vacuum negative pressure of the first piston 10 in the fuse tube 1, so that the difference between the negative pressure for the compression spring and the compensation chamber and the negative pressure of the arc extinguishing chamber is the tension of the fuse wire 5, and the tension of the compression spring is equal to the existing fuse wire 5 in the existing fuse tube, the tensile force of the fuse wire 5 under the normal state is greatly reduced, so that the long-term effective stability of the fuse wire 5 is improved, the problem that the fuse wire 5 is subjected to the action of a large tensile force of a compression spring for a long time and is softened under the condition of self-energizing high temperature (the temperature of fusing is not reached), the tensile strength is reduced, and the fuse wire is easy to self-break is solved, so that the overall service life of the fuse wire barrel is prolonged, meanwhile, the vacuumizing state of an arc-extinguishing chamber is convenient for arc extinction of the fuse wire 5 during fusing, the service life of the fuse wire barrel is further ensured, after the fuse wire 5 is fused, under the action of the elasticity of a compression spring and the vacuum negative pressure of a compensation chamber, the first piston 10 and the first lead 3 are integrally moved to the left, the first piston 10 drives the first annular plug 7 to the left to be separated from the throttle pipe 9, at the moment, the arc-extinguishing action after the fuse wire 5 is fused is completed before the first annular plug 7 is moved, so, The inner chamber of arc extinguishing pipe 2 communicates with each other with the exterior space to the heat of arc extinguishing in fuse bobbin 1, the arc extinguishing pipe 2 of being convenient for distributes, has avoided the high temperature after the arc extinguishing of arc extinguishing pipe 2 to lead to the problem that other parts damaged in fuse bobbin 1, the arc extinguishing pipe 2, has further improved the life of a fuse section of thick bamboo.
Wherein, the bottom of the fuse bobbin 1 near the fuse tube sealing cover 11 is provided with an air inlet tube 15, the inner cavity of the fuse tube 1 is movably sleeved with a second ring plug 14 for plugging the air inlet tube 15, a linkage rod 121 is fixedly connected between the second ring plug 14 and a second piston 12, the linkage rod 121 is fixedly connected with the second ring plug 14 through screws, so as to facilitate later disassembly, a limit tension spring 13 movably sleeved on a second lead 4 is arranged between the second piston 12 and the fuse tube sealing cover 11, the limit tension spring 13 is in a stretching state, the limit tension spring 13 is not contacted with the middle inner wall of the second ring plug 14, one end of the air inlet tube 15 is communicated with an air pressurizing mechanism 16, after the fuse wire 5 is fused, outside air enters the fuse tube 1 and the inner cavity of the arc extinguishing tube 2 for heat dissipation, meanwhile, under the throttling action of the throttle tube 9, air flow slowly enters so as to provide sufficient time for gas heat absorption, the air pressure of the chamber on the left side of the second piston 12 in the fuse bobbin 1 and the arc extinguishing tube 2 is gradually increased until the negative pressure suction force of the chamber on the left side to the second piston 12 is smaller than the pulling force of the limit tension spring 13, at the moment, the air pressure of the chamber on the left side of the second piston 12 in the fuse bobbin 1 and the arc extinguishing tube 2 is approximately stable, the second piston 12 drives the second annular plug 14 to move right and separate from the air inlet pipe 15 under the action of the pulling force of the limit tension spring 13, the air charging mechanism 16 charges the chamber in the fuse bobbin 1 and the arc extinguishing tube 2 through the air inlet pipe 15, the air flow drives the air flow after heat absorption of the inner chambers of the fuse bobbin 1 and the arc extinguishing tube 2 to flow out through the throttle tube 9, so that hot air flow is discharged conveniently, the heat dissipation effect of the fuse tube after the fuse wire 5 is fused is further improved, and the.
The gas pressurizing mechanism 16 comprises an inflation tube 161, one side of the inner cavity of the inflation tube 161 is fixedly connected with a positioning spring 162, one end of the positioning spring 162 is fixedly connected with a driven piston 163, the outer side of the driven piston 163 is movably sleeved with the inner wall of the inflation tube 161, the other side of the inflation tube 161 is provided with an air duct 164, the air duct 164 is communicated with one end of the air inlet tube 15, the bottom of the inflation tube 161, which is close to one side of the air duct 164, is provided with the inflation tube 165, the inflation tube 161 is pressurized through the inflation tube 165, so that the supply of the heat dissipation airflow is delayed after the fuse wire 5 in the fuse tube is fused, the airflow is compensated in a delayed manner after the fuse wire 5 is fused, and the hot airflow in the arc extinguishing tube 2 of the fuse tube 1 is discharged through the.
Wherein, the inside one side of arc extinguishing pipe 2 is equipped with the first dog 201 that is located first piston 10 one side, the inside opposite side of arc extinguishing pipe 2 is equipped with the second dog 202 that is located second piston 12 one side, carry on spacingly to first piston 10 through first dog 201, carry on spacingly to second piston 12 through second dog 202, ensure to be located first piston 10, after the negative pressure is taken out to the arc extinguishing chamber between the second piston 12, first piston 10 can not contact with second piston 12, and keep the indoor first wire 3 of arc extinguishing chamber, fuse 5, second wire 4 is in the state of straightening.
Wherein, spout 203 has all been seted up towards the top and the bottom of fuse cylinder side cap 6 one side to arc extinguishing pipe 2, and the top and the bottom of 1 inner chamber of fuse bobbin all are equipped with the fixture block 101 with spout 203 joint to when installing fuse bobbin 1 with arc extinguishing pipe 2, through spout 203 and fixture block 101 spacing, make the through-hole at arc extinguishing pipe 2 middle part counterpoint with first exhaust tube 102, the later stage of being convenient for is to the negative pressure state of taking out to the arc extinguishing cavity.
When the fuse tube is used, the first lead 3 and the second lead 4 at two ends of the fuse tube are electrically connected with a circuit system, the arc extinguishing chamber is pumped with negative pressure through the first lead 3, the compensation chamber is pumped with negative pressure through the second exhaust tube 17, the negative pressure difference between the two is controlled to be the tension force of the fuse wire 5, when the fuse wire 5 is fused, the vacuum environment of the arc extinguishing chamber carries out arc extinguishing, the elasticity and the negative pressure without strong force of the pressure spring are greater than the pressure in the arc extinguishing chamber, the first piston 10 and the first lead 3 integrally move left to drive the first ring plug 7 to move left to be separated from the throttle tube 9, the external gas enters the fuse tube 1 and the arc extinguishing tube 2 until the air pressure in the inner cavities of the fuse tube 1 and the arc extinguishing tube 2 is balanced and the internal gas of the fuse tube 1 and the arc extinguishing tube 2 absorbs heat by the throttle effect of the throttle tube 9, the tension of the limit tension spring 13 enables the second piston 12 to drive the second ring plug 14 to move right, the second annular plug 14 is separated from the air inlet pipe 15, the gas pressurizing mechanism 16 inflates air into the fuse bobbin 1 and the arc extinguishing pipe 2 through the air inlet pipe 15, and the air flow drives the original hot air flow in the fuse bobbin 1 and the arc extinguishing pipe 2 to flow out.
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 (5)
1. The utility model provides a fuse tube from life is high, including fuse tube (1), the middle part of fuse tube (1) inner chamber is equipped with arc-extinguishing tube (2), the one end sealing connection of fuse tube (1) has fuse tube side cap (6), the middle part sealing of fuse tube side cap (6) has cup jointed first wire (3), and first wire (3) cup joint with fuse tube side cap (6) activity, fixed cover is equipped with the baffle that is located fuse tube side cap (6) on first wire (3), and baffle and fuse tube side cap (6) are close to and are equipped with the pressure spring that is in the state between the inner wall of fuse tube (1) one side, the other end sealing connection of fuse tube (1) has fuse tube closing cap (11), and the middle part sealing connection of fuse tube closing cap (11) has second wire (4), its characterized in that: an arc extinguishing tube (2) is arranged in the middle of an inner cavity of the fuse bobbin (1), a fuse wire (5) located in the inner cavity of the arc extinguishing tube (2) is fixedly connected between the first lead (3) and one end of the second lead (4), a first piston (10) located in the inner cavity of the arc extinguishing tube (2) is fixedly sleeved on the first lead (3), the outer side of the first piston (10) is movably sleeved with the inner wall of the arc extinguishing tube (2), a second piston (12) located in the arc extinguishing tube (2) is fixedly sleeved on the second lead (4), the outer side of the second piston (12) is movably sleeved with the inner wall of the arc extinguishing tube (2), a through hole is formed in the middle of the top end of the arc extinguishing tube (2), a first air suction tube (102) located at the through hole of the arc extinguishing tube (2) is arranged at the top of the fuse bobbin (1), a throttle tube (9) is arranged on one side of the top of the fuse bobbin (1), one side of the fuse tube side cover (6) is fixedly connected with a limiting spring (8), one end of the limiting spring (8) is fixedly connected with a first annular plug (7), the first annular plug (7) is positioned at the throttle pipe (9), one end of the first annular plug (7) is movably connected with one end of the arc extinguishing tube (2), the first annular plug (7) is movably sleeved with the first lead (3), and the diameter of the through groove in the middle of the first ring plug (7) is smaller than that of the first piston (10), one end of the arc extinguishing pipe (2) is also provided with a second air suction pipe (17) positioned at one side of the throttle pipe (9), an arc extinguishing chamber is formed between the first piston (10) and the second piston (12) in the arc extinguishing tube (2), the left side of a first piston (10) in the fuse wire bobbin (1) forms a compensation chamber, and the vacuum negative pressure of the arc extinguishing chamber is greater than that of the compensation chamber on the left side.
2. A self-service life-enhancing fuse cartridge as recited in claim 1, further comprising: the fuse bobbin (1) is close to the bottom of fuse barrel closing cap (11) one side and is equipped with intake pipe (15), the inner chamber movable sleeve of fuse barrel (1) is equipped with second ring stopper (14) of shutoff intake pipe (15), fixedly connected with gangbar (121) between second ring stopper (14) and second piston (12), and gangbar (121) and second ring stopper (14) pass through screw fixed connection, be equipped with between second piston (12) and fuse barrel closing cap (11) movable sleeve dress spacing extension spring (13) on second wire (4), and spacing extension spring (13) are in tensile state, spacing extension spring (13) and the middle part inner wall contactless of second ring stopper (14), the one end switch-on of intake pipe (15) has gaseous pressurizing mechanism (16).
3. A self-service life-enhancing fuse cartridge as recited in claim 2, further comprising: gaseous pressurizing mechanism (16) are including gas tube (161), and one side fixedly connected with positioning spring (162) of gas tube (161) inner chamber, the passive piston (163) of one end fixedly connected with of positioning spring (162), and the outside of passive piston (163) cup joints with the inner wall activity of gas tube (161), the opposite side of gas tube (161) is equipped with air duct (164), and air duct (164) and the one end switch-on of intake pipe (15), the bottom that gas tube (161) is close to air duct (164) one side is equipped with gas tube (165).
4. A self-service life-enhancing fuse cartridge as recited in claim 1, further comprising: one side of the interior of the arc extinguishing tube (2) is provided with a first stop block (201) located on one side of the first piston (10), and the other side of the interior of the arc extinguishing tube (2) is provided with a second stop block (202) located on one side of the second piston (12).
5. A self-service life-enhancing fuse cartridge as recited in claim 1, further comprising: spout (203) have all been seted up towards the top and the bottom of fuse section of thick bamboo side cap (6) one side in arc-extinguishing tube (2), and the top and the bottom of fuse section of thick bamboo (1) inner chamber all are equipped with fixture block (101) with spout (203) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654388.2A CN111863564B (en) | 2020-07-09 | 2020-07-09 | Fuse cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010654388.2A CN111863564B (en) | 2020-07-09 | 2020-07-09 | Fuse cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111863564A true CN111863564A (en) | 2020-10-30 |
| CN111863564B CN111863564B (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010654388.2A Active CN111863564B (en) | 2020-07-09 | 2020-07-09 | Fuse cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN111863564B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420518A (en) * | 2022-03-30 | 2022-04-29 | 嘉兴模度新能源有限公司 | Vacuum temperature fuse, series battery row, parallel battery row and battery pack |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123807A (en) * | 1918-03-02 | 1919-03-03 | Frederick Alexander Ross | Improvements in or relating to Electric Fuses. |
| GB156496A (en) * | 1919-03-31 | 1922-01-26 | Alfred Leroy Eustice | Improvements in and relating to renewable electric fuses |
| GB423545A (en) * | 1933-04-08 | 1935-02-04 | Westinghouse Electric & Mfg Co | Improvements in or relating to circuit interrupters |
| GB468148A (en) * | 1935-03-27 | 1937-06-30 | Victor Jean Bemer | Automatic cut-out |
| US20030025586A1 (en) * | 2001-07-31 | 2003-02-06 | Eaton Corporation | Exhaust control device for use with circuit interrupter |
| CN202796822U (en) * | 2012-07-31 | 2013-03-13 | 珠海沃顿电气有限公司 | Cabin seat for fuse of switch cabinet |
| CN103578884A (en) * | 2012-07-18 | 2014-02-12 | 扬州东宇电气有限公司 | Fuse tube |
| CN205050799U (en) * | 2015-10-08 | 2016-02-24 | 国网山东海阳市供电公司 | Strong arc extinguishing fuse -link |
| CN105895471A (en) * | 2014-11-05 | 2016-08-24 | 宁波市镇海匡正电子科技有限公司 | Heat-dissipation fuse cylinder |
| CN205645736U (en) * | 2016-05-24 | 2016-10-12 | 厦门理工学院 | Fuse for drop out fuse |
| WO2017016543A1 (en) * | 2015-07-24 | 2017-02-02 | Peter Lell | Disconnecting switch for high direct or alternating currents at high voltages |
| CN107359095A (en) * | 2017-07-26 | 2017-11-17 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
| CN207233677U (en) * | 2017-09-30 | 2018-04-13 | 成都民达电力设备有限公司 | A kind of fuse unit of good heat dissipation effect |
| CN207303027U (en) * | 2017-09-30 | 2018-05-01 | 成都民达电力设备有限公司 | The fuse unit that a kind of more fuses are arranged in parallel |
| CN207381360U (en) * | 2017-09-28 | 2018-05-18 | 北京索弗电气科技有限公司 | A kind of Novel fuse unit |
| CN108321061A (en) * | 2018-01-16 | 2018-07-24 | 云南靖创液态金属热控技术研发有限公司 | A kind of repeatable liquid metal fuse utilized |
| CN108962702A (en) * | 2018-08-14 | 2018-12-07 | 李涵 | A kind of pressure-adjusting type fuse |
-
2020
- 2020-07-09 CN CN202010654388.2A patent/CN111863564B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123807A (en) * | 1918-03-02 | 1919-03-03 | Frederick Alexander Ross | Improvements in or relating to Electric Fuses. |
| GB156496A (en) * | 1919-03-31 | 1922-01-26 | Alfred Leroy Eustice | Improvements in and relating to renewable electric fuses |
| GB423545A (en) * | 1933-04-08 | 1935-02-04 | Westinghouse Electric & Mfg Co | Improvements in or relating to circuit interrupters |
| GB468148A (en) * | 1935-03-27 | 1937-06-30 | Victor Jean Bemer | Automatic cut-out |
| US20030025586A1 (en) * | 2001-07-31 | 2003-02-06 | Eaton Corporation | Exhaust control device for use with circuit interrupter |
| CN103578884A (en) * | 2012-07-18 | 2014-02-12 | 扬州东宇电气有限公司 | Fuse tube |
| CN202796822U (en) * | 2012-07-31 | 2013-03-13 | 珠海沃顿电气有限公司 | Cabin seat for fuse of switch cabinet |
| CN105895471A (en) * | 2014-11-05 | 2016-08-24 | 宁波市镇海匡正电子科技有限公司 | Heat-dissipation fuse cylinder |
| WO2017016543A1 (en) * | 2015-07-24 | 2017-02-02 | Peter Lell | Disconnecting switch for high direct or alternating currents at high voltages |
| CN205050799U (en) * | 2015-10-08 | 2016-02-24 | 国网山东海阳市供电公司 | Strong arc extinguishing fuse -link |
| CN205645736U (en) * | 2016-05-24 | 2016-10-12 | 厦门理工学院 | Fuse for drop out fuse |
| CN107359095A (en) * | 2017-07-26 | 2017-11-17 | 河南平开科技有限公司 | A kind of fusing injection structure being used in outdoor closed injection fuse box |
| CN207381360U (en) * | 2017-09-28 | 2018-05-18 | 北京索弗电气科技有限公司 | A kind of Novel fuse unit |
| CN207233677U (en) * | 2017-09-30 | 2018-04-13 | 成都民达电力设备有限公司 | A kind of fuse unit of good heat dissipation effect |
| CN207303027U (en) * | 2017-09-30 | 2018-05-01 | 成都民达电力设备有限公司 | The fuse unit that a kind of more fuses are arranged in parallel |
| CN108321061A (en) * | 2018-01-16 | 2018-07-24 | 云南靖创液态金属热控技术研发有限公司 | A kind of repeatable liquid metal fuse utilized |
| CN108962702A (en) * | 2018-08-14 | 2018-12-07 | 李涵 | A kind of pressure-adjusting type fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420518A (en) * | 2022-03-30 | 2022-04-29 | 嘉兴模度新能源有限公司 | Vacuum temperature fuse, series battery row, parallel battery row and battery pack |
| CN114420518B (en) * | 2022-03-30 | 2022-07-19 | 嘉兴模度新能源有限公司 | Vacuum temperature fuse, series battery row, parallel battery row and battery pack |
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|---|---|
| CN111863564B (en) | 2022-06-24 |
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Denomination of invention: A type of fuse cylinder Granted publication date: 20220624 Pledgee: Agricultural Bank of China Nanling County Branch Pledgor: Wuhu Jinniu Power Technology Co.,Ltd. Registration number: Y2024980008439 |
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