CN110021508B - Rotatory formula circuit fusing protection equipment of replacing - Google Patents
Rotatory formula circuit fusing protection equipment of replacing Download PDFInfo
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- CN110021508B CN110021508B CN201910416133.XA CN201910416133A CN110021508B CN 110021508 B CN110021508 B CN 110021508B CN 201910416133 A CN201910416133 A CN 201910416133A CN 110021508 B CN110021508 B CN 110021508B
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- conductive
- fusing
- fuse
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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
- H01H85/26—Magazine arrangements
- H01H85/28—Magazine arrangements effecting automatic replacement
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Abstract
The invention provides a rotary self-replacing circuit fusing protection device, which comprises a cylindrical mounting cylinder, a wiring component, a fusing rotating mechanism and a limiting mechanism, wherein the wiring component, the fusing rotating mechanism and the limiting mechanism are arranged in the mounting cylinder, the wiring component is connected in series on a live wire and is in a disconnected state, the fusing rotating mechanism comprises a plurality of fuses which are arranged in an array mode along the circumferential direction of a rotating shaft of the fusing rotating mechanism, the fuses are used for conducting the interior of the fusing rotating mechanism, one of the fuses is a conductive fuse, the other fuses are all new fuses waiting for replacement, the conductive fuse is connected between two disconnected contacts of the wiring member in series and enables the connected fusing rotating mechanism to conduct the wiring member, fusing of the conductive fuse can automatically trigger the fusing rotating mechanism to rotate and enable one of the new fuses to be switched into the conductive fuse, and the limiting mechanism is used for restraining rotation of the fusing rotating mechanism and can manually remove rotation restraint of the fusing rotating mechanism.
Description
Technical Field
The invention relates to a circuit protector, in particular to a rotary self-replacing type circuit fusing protection device.
Background
The fuse is also called as a current fuse, and the IEC127 standard defines it as a fuse link, which mainly plays a role in overload protection, when a circuit fails or is abnormal, the current rises continuously, the circuit is burned to damage an electrical appliance if light, and a fire disaster and other serious casualty accidents occur if heavy, if the fuse is correctly arranged in the circuit, the fuse will fuse and cut off the current when the current rises abnormally to a certain height and heat, thereby playing a role in protecting the safe operation of the circuit, the fuse is widely applied to a household circuit, and is a very effective, safe and reliable circuit protector, but the fuse also has a certain defect in the use process, when the circuit current is overloaded and the fuse is blown, the user needs to manually replace the fuse, because the fuse is connected in series to a live wire, therefore, the fuse is replaced with the fuse wire, so that the danger of electric shock is very easy to occur, and therefore, the rotary self-replacing type circuit fusing protection equipment which is ingenious in structure, simple in principle, capable of being replaced with the fuse wire automatically after being fused and high in safety performance is designed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the rotary self-replacing circuit fusing protection equipment which is ingenious in structure, simple in principle, capable of being automatically replaced after being fused and strong in safety performance.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A rotary self-replacing circuit fusing protection device comprises a cylindrical mounting barrel, a wiring component, a fusing rotary mechanism and a limiting mechanism, wherein the wiring component, the fusing rotary mechanism and the limiting mechanism are arranged in the mounting barrel, the wiring component is connected in series on a live wire and is in a disconnected state, the fusing rotary mechanism comprises a plurality of fuses which are arranged in an array mode along the circumferential direction of a rotating shaft of the fusing rotary mechanism, the fuses are used for conducting the interior of the fusing rotary mechanism, one of the fuses is a conductive fuse, and the other fuses are brand new fuses waiting for replacement, the conductive fuse is connected between two disconnected contacts of the wiring member in series and enables the connected fusing rotating mechanism to conduct the wiring member, the fusing of the conductive fuse can automatically trigger the fusing rotating mechanism to rotate and enable one of the brand new fuses to be switched into the conductive fuse, and the limiting mechanism is used for limiting the rotation of the fusing rotating mechanism and manually releasing the rotation limitation of the fusing rotating mechanism;
the installation cylinder comprises a circular insulating bottom plate and a cylindrical insulating shell coaxially covered on one end face of the insulating bottom plate, one end of the insulating shell is arranged in a closed mode, the other end of the insulating shell is arranged in an open mode, and the open end of the insulating shell is detachably connected with the insulating bottom plate in a matched mode.
As a further optimization or improvement of the present solution.
The wiring component comprises a fixed column fixedly installed between an insulating bottom plate and the closed end of an insulating shell, the fixed column and the insulating bottom plate are coaxially arranged, a conductive disc is coaxially fixed and sleeved on the fixed column, the conductive disc is arranged close to the insulating bottom plate, an annular sliding groove is coaxially formed in the end face, away from the insulating bottom plate, of the conductive disc, the annular sliding groove is used for abutting joint with one end of a fusing rotating mechanism, a first wiring terminal is fixedly arranged on the end face, close to the insulating bottom plate, of the conductive disc, the first wiring terminal movably penetrates through the insulating bottom plate and extends to the outside of the installation cylinder, and the first wiring terminal is connected with the input end of a live wire;
the wiring component still include fixed block of fixed mounting on insulating bottom plate border position, the fixed block deviates from to set up on the insulating bottom plate terminal surface with the coaxial arc guide way of arranging of fixed column and the both ends of guide way are opened, the tank bottom of guide way is provided with can follow the fixed column axial and carry out the conducting block that floats, the conducting block is used for contradicting the butt joint with the fusing rotary mechanism other end, fixed mounting has the terminal two of being connected with the conducting block on the fixed block, terminal two activities are passed the outside that insulating bottom plate extends to the installation section of thick bamboo, terminal two is connected with the live wire output.
As a further optimization or improvement of the present solution.
The length of the first wiring terminal extending out of the mounting cylinder is larger than that of the second wiring terminal extending out of the mounting cylinder.
As a further optimization or improvement of the present solution.
The fusing rotating mechanism comprises a circular movable frame coaxially sleeved on the fixed column in a rotating mode, and a sleeve coaxially sleeved on the fixed column in a rotating mode, wherein the movable frame is arranged close to the closed end of the insulating shell, the sleeve is positioned on one side, away from the insulating bottom plate, of the conductive disc, and is arranged at an interval between the sleeve and the conductive disc, a plurality of hollowed-out mounting frames radially arranged along the sleeve are fixedly arranged on the outer circumferential surface of the sleeve, the mounting frames are arranged in an array mode along the circumferential direction of the sleeve, preferably, the number of the mounting frames is eight, the mounting frames and the sleeve are both arranged in an insulating mode and fixedly connected into a whole, conductive sliding rods parallel to the axial direction of the fixed column are fixedly arranged between the mounting frames and the movable frame, and the conductive sliding rods penetrate through the mounting frames and are in sliding contact with the annular sliding grooves;
the conductive sliding rod is sleeved with a conductive sliding block in a sliding mode, the conductive sliding block and the conductive sliding rod form sliding guide fit along the axial direction parallel to the fixed column, the conductive sliding block and the conductive sliding rod are arranged on the damping layer, the conductive sliding block is located in the middle position of the conductive sliding rod along the axial direction in the initial state, the conductive sliding block and the mounting frame are respectively provided with a clamping port which is oppositely arranged and can be tightened, one end of the fuse is fixedly clamped in the clamping port on the conductive sliding block, the other end of the fuse is fixedly clamped in the clamping port on the mounting frame, a contact connected with the fuse is fixedly installed on the mounting frame, the contact is arranged to deviate from the conductive sliding block, and the contact is located in the circumferential direction of the guide groove and can slide along the guide groove;
in an initial state, a contact on one mounting frame is abutted against the conductive block, and the conductive disc is communicated with the conductive block through the corresponding conductive slide rod, the corresponding conductive slide block, the corresponding conductive fuse and the corresponding contact.
As a further optimization or improvement of the present solution.
The outer part of the conductive slide bar is movably sleeved with a trigger spring, one end of the trigger spring is abutted to the conductive slide block, the other end of the trigger spring is abutted to the mounting frame, the elastic force of the trigger spring is always directed to the conductive slide block by the mounting frame, an external boss is coaxially arranged on the outer circular surface of the fixed column, a rotary guide groove which penetrates through the external boss is formed in the outer circular surface of the external boss, the rotary guide groove is obliquely arranged, the upper end and the lower end of the rotary guide groove are twisted for forty-five degrees along the axial direction of the fixed column, a rotary bulge matched with the rotary guide groove is fixedly arranged on the conductive slide block, and the rotary bulge corresponding to the conductive fuse is aligned with the lower end of the rotary guide groove;
the outer circular surface of the conductive sliding rod is provided with a limiting sliding groove parallel to the axial direction of the conductive sliding rod, the conductive sliding block is provided with a limiting convex block matched with the limiting sliding groove, and the limiting convex block is matched with the limiting sliding groove and is used for restricting the rotation of the conductive sliding block;
and a stop block for limiting the conductive sliding block is arranged at one end, close to the mounting frame, of the external boss.
As a further optimization or improvement of the present solution.
The conductive sliding rod is fixedly connected with the movable frame through a bolt, and a circular limiting groove is formed in one end face, close to the closed end of the insulating shell, of the screw plug.
As a further optimization or improvement of the present solution.
The limiting mechanism comprises a pin rod penetrating through the closed end of the insulating shell, the pin rod and the insulating shell form sliding guide fit along the axial direction parallel to the fixed column, one end of the pin rod extends outwards, a spherical handle is arranged at the end part of the pin rod, and the other end of the pin rod is inserted into the limiting groove;
the outer circle face of the middle position of the pin rod is provided with an external step, the outer sleeve of the pin rod is provided with a compression spring, one end of the compression spring is abutted against the external step, the other end of the compression spring is abutted against the closed end of the insulating shell, and the elastic force of the compression spring is always directed to the external step from the closed end of the insulating shell.
Compared with the prior art, the fuse has the advantages of ingenious structure, simple principle, automatic replacement after fusing and strong safety performance, the plurality of fusing rotating mechanisms provided with the fuses are arranged in an array along the circumferential direction, one fuse is used for connecting the live wire in series, the other fuses wait for replacement, when the fuse connected with the live wire in series is fused and a circuit fault is discharged, the fuse can automatically rotate for a certain angle and replace a brand-new fuse to connect the live wire again, the convenience of replacing the fuse is improved, and the safety performance of using the fuse is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of the automatic replacement of the present invention.
Fig. 4 is a schematic structural view of the mounting cylinder.
Fig. 5 is a schematic structural view of the wiring member.
FIG. 6 is a view of the wire connecting member in cooperation with the fusing rotating mechanism.
FIG. 7 is a schematic structural diagram of a fuse rotation mechanism.
FIG. 8 is a schematic diagram of a partial structure of a fuse rotation mechanism.
FIG. 9 is a schematic diagram of a partial structure of a fuse rotation mechanism.
FIG. 10 is a schematic diagram of a partial structure of a fuse rotation mechanism.
FIG. 11 is a schematic view of a partial structure of a fuse rotation mechanism.
FIG. 12 is a schematic diagram of a partial structure of a fuse rotation mechanism.
FIG. 13 is a view showing the combination of the position-limiting mechanism and the fusing mechanism.
Fig. 14 is a schematic structural view of the limiting mechanism.
Labeled as:
100. mounting the cylinder; 110. an insulating base plate; 120. an insulating case;
200. a wiring member; 201. fixing a column; 202. a conductive plate; 203. an annular chute; 204. a binding post I; 205. a fixed block; 206. a guide groove; 207. a conductive block; 208. a second wiring terminal;
300. fusing the rotating mechanism; 301. a movable frame; 302. a sleeve; 303. a mounting frame; 304. a conductive slide bar; 304a, a limit chute; 305. a conductive slider; 305a, a limiting bump; 306. a fuse; 307. a contact; 308. a trigger spring; 309. rotating the boss; 310. a boss is arranged outside; 311. rotating the guide slot; 312. a stopper;
400. a limiting mechanism; 401. a limiting groove; 402. a handle; 403. a pin rod; 404. an external step; 405. compressing the spring.
Detailed Description
A rotary self-replacing circuit fusing protection device comprises a cylindrical mounting barrel 100, wiring members 200 arranged in the mounting barrel 100, a fusing rotary mechanism 300 and a limiting mechanism 400, wherein the wiring members 200 are connected in series on a live wire and are in an open state, the fusing rotary mechanism 300 comprises a plurality of fuses 306 arranged in an array along the circumferential direction of a rotating shaft of the fusing rotary mechanism, the fuses 306 are used for conducting the inside of the fusing rotary mechanism 300, one fuse 306 is a conductive fuse 306, the other fuses 306 are brand-new fuses 306 waiting to be replaced, the conductive fuse 306 is connected in series between two disconnected contacts of the wiring members 200 and enables the conducting fusing rotary mechanism 300 to conduct the wiring members 200, the fusing of the conductive fuse 306 can automatically trigger the fusing rotary mechanism 300 to rotate and enable one brand-new fuse 306 to be switched into the conductive fuse 306, and the limiting mechanism 400 is used for restraining the rotation of the fusing rotary mechanism 300 and manually releasing the fusing rotary mechanism The rotation of the mechanism 300 is restricted.
When a user uses the fuse rotary mechanism 300 to connect the disconnected connecting member 200 in series with the two ends of the live wire, the circuit is in normal operation, when the circuit fault current is overloaded and the temperature of the conductive fuse 306 is raised to a certain value, the conductive fuse 306 will automatically fuse, at this time, after the circuit fault is eliminated, the rotation restriction of the fuse rotary mechanism 300 by the limiting mechanism 400 is released, the elastic potential energy in the fuse rotary mechanism 300 is triggered to be released, the fuses 306 arranged in the array are rotated, the fused fuses 306 are separated from the connecting member 200, meanwhile, one brand new fuse 306 is switched to the conductive fuse 306, the fuse 306 is connected with the connecting member 200 in series, the connecting member 200 is restored to be connected with the live wire, and the circuit restores to a normal operation stage.
The mounting cylinder 100 comprises a circular insulating base plate 110 and a cylindrical insulating shell 120 coaxially covered on one end face of the insulating base plate 110, wherein one end of the insulating shell 120 is arranged in a closed manner, the other end of the insulating shell is arranged in an open manner, and the open end is detachably connected and matched with the insulating base plate 110.
The wiring member 200 comprises a fixing column 201 fixedly installed between the insulating base plate 110 and the closed end of the insulating shell 120, the fixing column 201 and the insulating base plate 110 are coaxially arranged, a conductive disc 202 is coaxially fixed and sleeved on the fixing column 201, the conductive disc 202 is arranged close to the insulating base plate 110, an annular sliding groove 203 is coaxially formed in one end face, deviating from the insulating base plate 110, of the conductive disc 202, the annular sliding groove 203 is used for abutting joint with one end of a fusing rotating mechanism 300, a first wiring terminal 204 is fixedly arranged on one end face, close to the insulating base plate 110, of the conductive disc 202, the first wiring terminal 204 movably penetrates through the insulating base plate 110 and extends to the outside of the installation cylinder 100, and the first wiring terminal 204 is connected with a live wire input end.
Specifically, the wiring member 200 further includes a fixing block 205 fixedly mounted on the edge of the insulating base plate 110, an arc-shaped guide groove 206 coaxially arranged with the fixing column 201 is formed in an end face, away from the insulating base plate 110, of the fixing block 205, two ends of the guide groove 206 are opened, a conductive block 207 capable of floating along the axial direction of the fixing column 201 is arranged at the bottom of the guide groove 206, the conductive block 207 is used for abutting against and abutting against the other end of the fusing rotating mechanism 300, a second wiring terminal 208 connected with the conductive block 207 is fixedly mounted on the fixing block 205, the second wiring terminal 208 movably penetrates through the insulating base plate 110 and extends to the outside of the mounting cylinder 100, and the second wiring terminal 208 is connected with the live wire output end.
More specifically, in order to facilitate the user to distinguish the first terminal 204 from the second terminal 208, the length of the first terminal 204 extending out of the mounting cylinder 100 is greater than the length of the second terminal 208 extending out of the mounting cylinder 100.
In the working process of the wiring component 200, the first wiring terminal 204 is connected with the input end of the live wire, the second wiring terminal 208 is connected with the output end of the live wire, when the fusing rotary mechanism 300 connects the conductive disc 202 with the conductive block 207, the input end of the live wire is connected with the output end of the live wire, the main power supply supplies power to the circuit normally, after the fuse in the fusing rotary mechanism 300 is fused, the conductive disc 202 is disconnected with the conductive block 207, the input end of the live wire is disconnected with the output end of the live wire, the circuit is automatically cut off, and the self-protection effect is.
The fusing rotating mechanism 300 comprises a circular movable frame 301 coaxially sleeved on a fixed column 201 in a rotating mode, a sleeve 302 coaxially sleeved on the fixed column 201 in a rotating mode, the movable frame 301 is arranged close to the closed end of an insulating shell 120, the sleeve 302 is located on one side, away from one side of an insulating base plate 110, of a conductive disc 202, and is arranged between the sleeve 302 and the conductive disc 202 at intervals, a hollowed-out mounting frame 303 radially arranged along the sleeve 302 is fixedly arranged on the outer circular surface of the sleeve 302, the mounting frame 303 is provided with a plurality of conductive sliding rods 304 which are arranged in an array mode along the circumferential direction of the sleeve 302, preferably, the number of the mounting frame 303 is eight, the mounting frame 303 and the sleeve 302 are all arranged in an insulating mode and fixedly connected into a whole, the conductive sliding rods 304 parallel to the axial direction of the fixed column 201 are fixedly arranged between the mounting frame 303 and the movable frame 301, and the conductive sliding rods 304 penetrate through the mounting frame 303 and are in sliding contact with an annular sliding chute 203.
Specifically, in order to connect the conductive sliding rod 304 and the conductive block 207, the conductive sliding rod 304 is slidably sleeved with a conductive sliding block 305, the conductive sliding block 305 and the conductive sliding rod 304 form a sliding guiding fit along an axial direction parallel to the fixed column 201, a damping layer is arranged between the conductive sliding block 305 and the conductive sliding rod 304, the conductive sliding block 305 is located at the middle position of the conductive sliding rod 304 along the axial direction in an initial state, clamping ports which are oppositely arranged and can be tightened are respectively arranged on the conductive sliding block 305 and the mounting frame 303, the fuse 306 has one end fixedly clamped in a clamping opening on the conductive sliding block 305 and the other end fixedly clamped in a clamping opening on the mounting frame 303, a contact 307 connected with the fuse 306 is fixedly installed on the mounting frame 303, the contact 307 is arranged away from the conductive sliding block 305, and the contact 307 is located in the circumferential direction of the guide groove 306 and can slide along the guide groove 306.
More specifically, in order to connect the conductive pad 203 to the conductive block 207, the contact 307 on one of the mounting frames 303 is in contact with the conductive block 207 in the initial state, the conductive pad 203 is connected to the conductive block 207 through the corresponding conductive sliding rod 304, the corresponding conductive sliding block 305, the conductive fuse 306, and the corresponding contact 307, so as to connect the wiring member 200, and when the conductive fuse 206 is fused, the wiring member 200 is disconnected.
After the conductive fuse 306 is fused, in order to enable the whole body of the rotation mechanism 300 to be fused to rotate forty-five degrees around the axial direction of the fixing post 201 to connect the conductive plate 202 with the conductive block 207 again, the rotation mechanism 300 to be fused needs to rotate forty-five degrees around the axial direction of the fixing post 201 to enable the fused fuse 306 and the corresponding contact 307 to rotate forty-five degrees to be separated from the conductive block 207, and simultaneously, the whole body of the fuse 306 and the corresponding contact 307 to rotate forty-five degrees to be abutted against the conductive block 207 for connection, therefore, the outer movable sleeve of the conductive sliding rod 304 is provided with a trigger spring 308, one end of the trigger spring 308 abuts against the conductive sliding block 305, the other end abuts against the mounting frame 303, the elastic force of the trigger spring 308 is always directed to the conductive sliding block 305 from the mounting frame 303, an external boss 310 is coaxially arranged on the outer circumferential surface of the fixing post 201, a rotary guide slot 311 penetrating up and down is arranged on the outer circumferential surface of the external boss 310, the rotation guiding slot 311 is arranged obliquely, and the upper and lower ends are twisted forty-five degrees along the axial direction of the fixed column 201, the conductive slider 305 is fixedly provided with a rotation protrusion 309 matched with the rotation guiding slot 311, and the rotation protrusion 309 corresponding to the conductive fuse 306 is aligned with the lower end of the rotation guiding slot 311.
Specifically, in order to avoid the deflection of the conductive sliding block 305 around the axial direction of the conductive sliding rod 304, a limiting sliding groove 304a parallel to the axial direction of the conductive sliding rod 304 is formed on the outer circumferential surface of the conductive sliding rod 304, a limiting protrusion 305a matched with the limiting sliding groove 304a is arranged on the conductive sliding block 305, and the limiting protrusion 305a is matched with the limiting sliding groove 304a to restrict the rotation of the conductive sliding block 305.
The fuse rotation mechanism 300 is embodied in the operation process that, when the conductive fuse 306 is melted, the constraint of the conductive fuse 306 to the corresponding trigger spring 308 is released, and after the user clears the circuit failure and cancels the rotation constraint of the limiting mechanism 400 to the fuse rotation mechanism 300, the elastic potential energy of the trigger spring 308 is gradually released and pushes the corresponding conductive slider 305 to slide along the conductive slide bar 304 away from the mounting rack 303, the corresponding rotary protrusion 309 of the conductive fuse 306 is snapped in by the lower end of the rotary guide slot 311, the rotary guide slot 311 guides the rotary protrusion 309 to rotate forty-five degrees around the axial direction of the fixed post 201 and slide out by the upper end of the rotary guide slot 311, and at this time, the whole of the fuse rotation mechanism 300 rotates forty-five degrees around the axial direction of the fixed post 201, so that the melted conductive fuse 306 and the corresponding contact 307 rotate forty-five degrees to separate from the conductive block 207, meanwhile, the brand-new fuse 306 and the corresponding contact 307 are rotated by forty-five degrees to be abutted against the conductive block 207 for connection, the fusing rotation mechanism 300 automatically rotates and restores the connection between the conductive disc 202 and the conductive block 207, and the normal operation of the circuit is restored.
As an optimized solution of the present invention, the rotation of the fusing rotation mechanism 300 is realized by the mutual cooperation between the rotation guide slot 311 and the rotation protrusion 309, in order to avoid the rotation angle thereof being greater than forty-five degrees and causing the corresponding contact 307 of the brand-new fuse 306 to slide along the guide slot 206 and fall off from the conductive block 207, it is necessary to ensure that the angle of each rotation of the fusing and rotating mechanism 300 is exactly forty-five degrees, and for this reason, the external boss 310 is provided with a stopper 312 for limiting the conductive slider 305 near one end of the mounting frame 303, and the significance of the scheme is that the fuse rotating mechanism 300 is ensured to rotate to forty-five degrees each time the fuse 306 is replaced, so that on one hand, the contact 307 corresponding to the brand-new fuse 306 is abutted to the conductive block 207, and on the other hand, the rotating protrusion 309 corresponding to the brand-new fuse 306 after replacement is aligned with the lower end of the rotating guide slot 311.
If the limiting mechanism 400 does not restrict the rotation of the fusing rotation mechanism 300, when the circuit fault current is overloaded, the fusing rotation mechanism 300 immediately rotates for forty-five degrees and replaces a brand-new fuse 306 after the conductive fuse 306 is fused and before the circuit fault is not cleared, which directly leads to the fusing of the brand-new fuse 306, therefore, after the conductive fuse 306 is fused, the limiting mechanism 400 temporarily restricts the rotation of the fusing rotation mechanism 300, when the circuit fault is cleared, the limiting mechanism 400 releases the rotation restriction of the fusing rotation mechanism 300, the fusing rotation mechanism 300 automatically rotates to complete the replacement of the fuse 306, and the circuit returns to normal operation.
Therefore, the conductive sliding rod 304 is fixedly connected with the movable frame 301 through a bolt, a circular limiting groove 401 is formed in one end face, close to the closed end of the insulating shell 120, of the screw plug, the limiting mechanism 400 comprises a pin 403 penetrating through the closed end of the insulating shell 120, the pin 403 and the insulating shell 120 form sliding guide fit along an axial direction parallel to the fixed column 201, one end of the pin 403 extends outwards, a spherical handle 402 is arranged at the end of the pin, the other end of the pin is inserted into the limiting groove 401, and rotation of the fusing rotating mechanism 300 is restrained through matching of the pin 403 and the limiting groove 401.
Specifically, an external step 404 is arranged on an outer circular surface of the middle position of the pin 403, a compression spring 405 is sleeved outside the pin 403, one end of the compression spring 405 is abutted against the external step 404, the other end of the compression spring is abutted against the closed end of the insulating shell 120, the elastic force of the compression spring 405 always points to the external step 404 from the closed end of the insulating shell 120, the pin 403 is abutted and pushed by the compression spring 405 to be inserted into the limiting groove 401, and rotation restraint of the fusing rotating mechanism 300 is achieved.
The specific expression of the limiting mechanism 400 in the working process is that, in an initial state, the elastic force of the compression spring 405 is directed to the external step 404 from the closed end of the insulating shell 120, the pin 403 cooperates with the limiting groove 401 to restrict the rotation of the fusing rotating mechanism 300, when the conductive fuse 306 is fused, a user eliminates the circuit pair fault, then the pull handle 402 overcomes the elastic force of the compression spring 405 to withdraw the pin 403 from the limiting groove 401, so that the rotational restriction of the pin 403 on the fusing rotating mechanism 300 is released, the fusing rotating mechanism 300 automatically rotates forty-five degrees and completes the replacement processing of the fuse 306, and the circuit returns to normal operation.
Claims (9)
1. A rotary self-replacing circuit fuse protection device, comprising: the fuse comprises a cylindrical mounting barrel, a wiring component, a fusing rotating mechanism and a limiting mechanism, wherein the wiring component, the fusing rotating mechanism and the limiting mechanism are arranged in the mounting barrel, the wiring component is connected in series on a live wire and is in a disconnected state, the fusing rotating mechanism comprises a plurality of fuses which are arranged in an array mode along the circumferential direction of a rotating shaft of the fusing rotating mechanism, the fuses are used for conducting the interior of the fusing rotating mechanism, one of the fuses is a conductive fuse, and the other fuses are brand new fuses waiting for replacement, the conductive fuse is connected between two disconnected contacts of the wiring member in series and enables the connected fusing rotating mechanism to conduct the wiring member, the fusing of the conductive fuse can automatically trigger the fusing rotating mechanism to rotate and enable one of the brand new fuses to be switched into the conductive fuse, and the limiting mechanism is used for limiting the rotation of the fusing rotating mechanism and manually releasing the rotation limitation of the fusing rotating mechanism;
the mounting cylinder comprises a circular insulating bottom plate and a cylindrical insulating shell coaxially covered on one end face of the insulating bottom plate, one end of the insulating shell is arranged in a closed mode, the other end of the insulating shell is arranged in an open mode, and the open end is detachably connected and matched with the insulating bottom plate;
the wiring component comprises a fixed column fixedly installed between an insulating bottom plate and the closed end of an insulating shell, the fixed column and the insulating bottom plate are coaxially arranged, a conductive disc is coaxially fixed and sleeved on the fixed column, the conductive disc is arranged close to the insulating bottom plate, an annular sliding groove is coaxially formed in the end face, away from the insulating bottom plate, of the conductive disc, the annular sliding groove is used for abutting joint with one end of a fusing rotating mechanism, a first wiring terminal is fixedly arranged on the end face, close to the insulating bottom plate, of the conductive disc, the first wiring terminal movably penetrates through the insulating bottom plate and extends to the outside of the installation cylinder, and the first wiring terminal is connected with the input end of a live wire;
the wiring component still include fixed block of fixed mounting on insulating bottom plate border position, the fixed block deviates from to set up on the insulating bottom plate terminal surface with the coaxial arc guide way of arranging of fixed column and the both ends of guide way are opened, the tank bottom of guide way is provided with can follow the fixed column axial and carry out the conducting block that floats, the conducting block is used for contradicting the butt joint with the fusing rotary mechanism other end, fixed mounting has the terminal two of being connected with the conducting block on the fixed block, terminal two activities are passed the outside that insulating bottom plate extends to the installation section of thick bamboo, terminal two is connected with the live wire output.
2. A rotary self-contained circuit fuse protection device as claimed in claim 1, wherein: the length of the first wiring terminal extending out of the mounting cylinder is larger than that of the second wiring terminal extending out of the mounting cylinder.
3. A rotary self-contained circuit fuse protection device as claimed in claim 1, wherein: fusing rotary mechanism include that the coaxial rotation cover locates the circular adjustable shelf on the fixed column, the coaxial rotation cover locates the sleeve on the fixed column, the adjustable shelf is close to the blind end of insulating casing and arranges, the sleeve is located electrically conductive dish and deviates from insulating bottom plate one side and the sleeve with electrically conductive between the dish interval arrange, fixed being provided with on the telescopic outer disc is along its radial fretwork mounting bracket of arranging, the mounting bracket is provided with eight and arranges along sleeve place circumferencial direction array, the mounting bracket is all insulated with the sleeve and arranges and the rigid coupling is as an organic whole, fixed being provided with between mounting bracket and the adjustable shelf is on a parallel with the axial electrically conductive slide bar of fixed column, electrically conductive slide bar passes mounting bracket and annular chute sliding conflict.
4. A rotary self-contained circuit fuse protection device as claimed in claim 3, wherein: the conductive sliding rod is sleeved with a conductive sliding block in a sliding mode, the conductive sliding block and the conductive sliding rod form sliding guide fit along the axial direction parallel to the fixed column, the conductive sliding block and the conductive sliding rod are arranged on the damping layer, the conductive sliding block is located in the middle position of the conductive sliding rod along the axial direction in the initial state, the conductive sliding block and the mounting frame are respectively provided with a clamping port which is oppositely arranged and can be tightened, one end of the fuse is fixedly clamped in the clamping port on the conductive sliding block, the other end of the fuse is fixedly clamped in the clamping port on the mounting frame, a contact connected with the fuse is fixedly installed on the mounting frame, the contact is arranged to deviate from the conductive sliding block, and the contact is located in the circumferential direction of the guide groove and can slide along the guide groove;
in an initial state, a contact on one mounting frame is abutted against the conductive block, and the conductive disc is communicated with the conductive block through the corresponding conductive slide rod, the corresponding conductive slide block, the corresponding conductive fuse and the corresponding contact.
5. A rotary self-contained circuit fuse protection device as claimed in claim 4, wherein: the outside movable sleeve of electrically conductive slide bar is equipped with trigger spring, and trigger spring one end is contradicted with electrically conductive slider, and the other end is contradicted with the mounting bracket and trigger spring's elasticity is all the time by the directional electrically conductive slider of mounting bracket, the coaxial external boss that is provided with on the outer disc of fixed column, set up the rotatory guiding groove that runs through from top to bottom on the outer disc of external boss, rotatory guiding groove slope is arranged and upper and lower both ends twist reverse forty-five degrees along the axial of fixed column, electrically conductive slider is last fixed mounting have with rotatory guiding groove assorted rotatory arch, the rotatory arch that corresponds with electrically conductive fuse is aligned with the lower extreme of rotatory guiding groove.
6. A rotary self-contained circuit fuse protection device as claimed in claim 5, wherein: the outer circular surface of the conductive sliding rod is provided with a limiting sliding groove parallel to the axial direction of the conductive sliding rod, the conductive sliding block is provided with a limiting convex block matched with the limiting sliding groove, and the limiting convex block is matched with the limiting sliding groove and is used for restricting the rotation of the conductive sliding block;
and a stop block for limiting the conductive sliding block is arranged at one end, close to the mounting frame, of the external boss.
7. A rotary self-contained circuit fuse protection device as claimed in claim 6, wherein: the conductive sliding rod is fixedly connected with the movable frame through a bolt, and a round limiting groove is formed in one end face, close to the closed end of the insulating shell, of the bolt.
8. A rotary self-contained circuit fuse protection device as claimed in claim 6, wherein: stop gear constitutes the sliding guide cooperation including wearing to locate the pin rod of insulating casing blind end, pin rod and insulating casing along the axial that is on a parallel with the fixed column, and pin rod one end is outwards extended and this tip is provided with spherical handle, the other end inserts to spacing recess in.
9. A rotary self-contained circuit fuse protection device as claimed in claim 8, wherein: the outer circle face of the middle position of the pin rod is provided with an external step, the outer sleeve of the pin rod is provided with a compression spring, one end of the compression spring is abutted against the external step, the other end of the compression spring is abutted against the closed end of the insulating shell, and the elastic force of the compression spring is always directed to the external step from the closed end of the insulating shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910416133.XA CN110021508B (en) | 2019-05-19 | 2019-05-19 | Rotatory formula circuit fusing protection equipment of replacing |
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| CN201910416133.XA CN110021508B (en) | 2019-05-19 | 2019-05-19 | Rotatory formula circuit fusing protection equipment of replacing |
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| CN110021508A CN110021508A (en) | 2019-07-16 |
| CN110021508B true CN110021508B (en) | 2021-09-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110504146A (en) * | 2019-08-31 | 2019-11-26 | 嘉兴瑛蔓贸易有限公司 | A kind of fuse for numerically controlled lathe |
| CN111398742B (en) * | 2020-06-04 | 2020-10-16 | 广东电网有限责任公司东莞供电局 | Power distribution network fault detection device and method |
| CN112420464B (en) * | 2020-11-04 | 2023-12-05 | 国网浙江省电力有限公司杭州供电公司 | High-voltage distribution fuse with high-current fusing and self-repairing functions |
| CN112735928B (en) * | 2020-12-25 | 2022-12-09 | 广西电网有限责任公司梧州供电局 | Fuse for rotation type electric power protection |
| CN112736663B (en) * | 2020-12-29 | 2023-11-03 | 合肥开关厂有限公司 | PT cabinet automatic switching control equipment for multichannel inlet wire |
| CN113189381A (en) * | 2021-05-05 | 2021-07-30 | 韩芳 | Intelligent electric meter |
| CN113189380A (en) * | 2021-05-05 | 2021-07-30 | 韩芳 | Application method of intelligent electric meter |
| CN116013683B (en) * | 2023-03-24 | 2023-07-07 | 国网山东省电力公司禹城市供电公司 | Device and method for replacing fused fuse of capacitor |
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| CN105161386A (en) * | 2015-08-07 | 2015-12-16 | 马人欢 | Fast-recovery electric power fuse |
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| GB2299718B (en) * | 1995-04-02 | 1999-05-05 | Derick Vernon John Benito | A fuse assembly |
| CN2404208Y (en) * | 1999-12-24 | 2000-11-01 | 彭恒修 | Automatic replacement device for high-voltage fuse chain switch |
| CN205564693U (en) * | 2016-02-23 | 2016-09-07 | 东莞市长淞电子科技有限公司 | Can rotate repetitious usage's fusing device |
| CN206639769U (en) * | 2017-04-19 | 2017-11-14 | 河南基泰电气有限公司 | One kind being capable of quick-replaceable fuse structure |
| 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 |
| CN208271823U (en) * | 2018-04-27 | 2018-12-21 | 藤泽电工（上海）有限公司 | A kind of Thermal Cutoffs switching device |
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| CN105161386A (en) * | 2015-08-07 | 2015-12-16 | 马人欢 | Fast-recovery electric power fuse |
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Effective date of registration: 20210826 Address after: 222000 Fan Zhuang Cun, Shiqiao Town, Ganyu District, Lianyungang City, Jiangsu Province Applicant after: LIANYUNGANG XINDONGANG ALUMINIUM INDUSTRY Co.,Ltd. Address before: 230000 Room 302, building a, Yulan mansion, Xiyou Road, Shushan District, Hefei City, Anhui Province Applicant before: Zhang Jiaxia |
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