CN113097021A - High-voltage circuit breaker switch with fireproof power-off function - Google Patents
High-voltage circuit breaker switch with fireproof power-off function Download PDFInfo
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- CN113097021A CN113097021A CN202110238985.1A CN202110238985A CN113097021A CN 113097021 A CN113097021 A CN 113097021A CN 202110238985 A CN202110238985 A CN 202110238985A CN 113097021 A CN113097021 A CN 113097021A
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- mechanism box
- inner cavity
- chute
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- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 238000010891 electric arc Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
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- Breakers (AREA)
Abstract
The invention relates to the technical field of high-voltage circuit breakers, in particular to a high-voltage circuit breaker switch with a fireproof power-off function, which comprises a mechanism box, wherein three arc extinguishing structures are arranged at the top of the mechanism box, a single chip microcomputer is arranged on the left side of the bottom of an inner cavity of the mechanism box, a buzzer is arranged on the right side of the bottom of the inner cavity of the mechanism box, a temperature sensor is arranged on the right side of the bottom of the inner cavity of the mechanism box, the single chip microcomputer is connected with the buzzer through a wire, the single chip microcomputer is connected with the temperature sensor through a wire, three power connection posts are movably arranged at the top of the mechanism box in a penetrating mode. The invention can automatically disconnect the circuit when detecting fire through the mutual matching of the structures, the contact separation speed is rapid, the electric arc can be rapidly extinguished, and meanwhile, the fire extinguishing material can be released, the fire is slowed down or directly extinguished, and the loss is furthest reduced.
Description
Technical Field
The invention relates to the technical field of high-voltage circuit breakers, in particular to a high-voltage circuit breaker switch with a fireproof power-off function.
Background
The high-voltage circuit breaker is used for controlling the high-voltage circuit, is one of important electrical components in the high-voltage circuit, is used for switching on or switching off the circuit during normal operation, can cut off or close no-load current and load current in the high-voltage circuit, and cuts off overload current and short-circuit current through the action of a relay protection device when a system has faults, and has a quite perfect arc extinguishing structure and enough current breaking capacity.
The existing high-voltage circuit breaker tends to be perfect, but high voltage belongs to dangerous voltage, improper use easily causes the line to catch fire, even to spread to the high-voltage circuit breaker, if the circuit breaker is directly burnt out, more accidents can be caused, the existing high-voltage circuit breaker can protect the circuit, but the circuit is difficult to automatically break when a fire disaster happens, and the fire can not be slowed down to spread when the fire disaster happens, so that when the fire disaster happens, more safety accidents are easily caused, and property loss is caused. To this end, a high-voltage circuit breaker switch with a fire and power interruption protection function is proposed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-voltage circuit breaker switch with a fireproof power-off function, which has the advantages of reasonable design and ingenious structure, can automatically break a circuit when a fire disaster is detected through the mutual matching of the structures, has the contact separation speed fast, can quickly extinguish electric arcs, can release fire extinguishing materials at the same time, slows down or directly extinguishes the fire, furthest reduces loss, has good market competitiveness, and is worthy of recommendation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the high-voltage circuit breaker switch with the functions of fire prevention and power failure comprises a mechanism box, wherein three arc extinguishing structures are installed at the top of the mechanism box, a single chip microcomputer is installed on the left side of the bottom of an inner cavity of the mechanism box, a buzzer is installed on the right side of the bottom of the inner cavity of the mechanism box, a temperature sensor is installed on the right side of the bottom of the inner cavity of the mechanism box, the single chip microcomputer is connected with the buzzer through a wire, the single chip microcomputer is connected with the temperature sensor through a wire, three electric connecting columns are movably installed at the top of the mechanism box in a penetrating mode, electric connecting heads are installed at the lower ends of the electric connecting columns, lifting plates are installed on the lower surfaces of the electric connecting heads, three first springs are installed on the upper surfaces of the lifting plates, one ends, far away from the lifting plates, of the three first springs are installed, the rear side of the inner cavity of the mechanism box is provided with a first chute, the bottom of the inner cavity of the mechanism box is provided with a chute, the inside of the first chute is slidably provided with a circuit breaking structure, the right side of the inner cavity of the mechanism box is provided with a second guide wheel, the rear side of the inner cavity of the mechanism box is provided with a driving structure, the outer side of the driving structure is connected with a second pull rope, the outer side of the driving structure is provided with a first gear in a penetrating way, the second pull rope passes through the second guide wheel, one end of the second pull rope is connected with one side of the circuit breaking structure, the right side of the inner cavity of the mechanism box is provided with two mounting plates, the mounting plates are movably provided with movable rods in a penetrating way, a second gear is connected between the two movable rods, one end of the movable rod, which is far away, the threaded rod threads penetrate through the protection structure.
Preferably, the circuit breaking structure comprises a first sliding block which is slidably mounted in the first chute, a moving rod is mounted on one side of the front face of the first sliding block, a first limiting block is mounted at one end of the moving rod, the first limiting block penetrates through a first limiting hole, a second limiting block is mounted on one side of the moving rod, the sliding block is slidably mounted in the chute, a second spring is mounted on the left side of the sliding block, one end, far away from the sliding block, of the second spring is mounted on the left side of the inside of the chute, a sliding plate is mounted on the upper surface of the sliding block, a second limiting hole is formed in the surface of the sliding plate, the second limiting hole and the sliding plate are designed in an integrated mode, the second limiting block penetrates through the sliding plate, the circuit breaking structure further comprises a first guide wheel mounted on the right side of the bottom of, the first pull rope penetrates through the first guide wheel, one end of the first pull rope movably penetrates through the mechanism box, one end of the first pull rope is connected with the handle, and one end of the second pull rope is connected to one side of the sliding plate.
Preferably, the drive structure is including installing the motor at mechanism case inner chamber rear side, the axis of rotation is installed to the motor output, the axis of rotation outside is run through and is installed first gear, the winding section of thick bamboo is installed to the positive one end of axis of rotation, the winding section of thick bamboo outside is connected with the second stay cord, be connected through the wire between singlechip and the motor.
Preferably, the first chute is inclined, and the first chute and the mechanism box are designed in an integrated mode.
Preferably, the locking structure is including installing the fixed box at mechanism case inner chamber rear side, the spacing hole of third has been seted up to fixed box one side, the spacing hole of third is the integral type design with fixed box, the inside movable mounting of fixed box has the movable block, the positive one side of movable block is installed and is supported the touch multitouch, the third spring is installed to the movable block rear side, the one end that the movable block was kept away from to the third spring is installed at the inside rear side of fixed box, the connecting plate is installed to movable block one side, the positive one side of connecting plate is installed and is pressed the post, press the post activity and run through the mechanism case.
Preferably, the axial section of the contact block is trapezoidal, and the contact block and the movable block are designed in an integrated manner.
Preferably, protection architecture is including installing the first box in both sides around the mechanism case, first mounting groove has been seted up to first box inside, first mounting groove is the integral type design with first box, the inside slidable mounting of first mounting groove has first baffle, the threaded rod screw thread runs through first baffle, the inside first arc extinguishing material that is equipped with of first box, protection architecture is still including the second box of installing in the mechanism case left and right sides, the inside second mounting groove of having seted up of second box, the second mounting groove is the integral type design with the second box, the inside slidable mounting of second mounting groove has the second baffle, the second chute has been seted up to second baffle bottom, the front side the gag lever post is all installed to the positive left and right sides of first baffle, second box inner chamber is equipped with second arc extinguishing material.
Preferably, the second chute and the second baffle are designed in an integrated mode, and the second chute is inclined.
Preferably, the limiting rod and the first baffle are designed in an integrated mode, and one end of the limiting rod is located inside the second chute.
The invention provides a high-voltage circuit breaker switch with a fireproof power-off function, which has the beneficial effects that: when the manual circuit breaking is needed, a worker drives the sliding plate to move rightwards integrally by pulling the handle, the second limiting block can be driven by the second limiting hole formed in the surface of the sliding plate to move rightwards, the second limiting block drives the moving rod to move rightwards, the first sliding block slides in the first chute at the moment, so that the moving rod moves rightwards and downwards integrally, the moving rod drives the first limiting block to move, so that the first limiting block slides in the first limiting hole and drives the lifting plate to move downwards integrally, the electric connecting column is driven by the first spring to pull downwards, so that the contact of the circuit breaker is separated, the circuit breaking effect is further completed, when the moving rod moves to abut against the abutting block, the abutting block is pressed backwards, when the moving rod passes through the abutting block, the abutting block is popped out, the moving rod is blocked, the moving rod is prevented from resetting, and the locking work in the circuit breaking state is completed, the arc extinguishing device can separate the contacts in a short time and realize the effect of lengthening the electric arc, thereby increasing the arc extinguishing effect and reducing the loss of the circuit breaker, when a circuit needs to be closed, only the pressing column needs to be pressed, the pressing column drives the connecting plate to move towards the rear side, so that the collision block moves towards the rear side and is not in the position of the limiting moving rod, at the moment, the moving rod resets to further connect the circuit, the temperature sensor carries out real-time temperature detection in the normal working process, when the temperature is overhigh and reaches the threshold value set by the single chip microcomputer, the single chip microcomputer controls the buzzer to give an alarm sound, and controls the motor to be turned on, the motor drives the rotating shaft to rotate, thereby driving the winding drum to rotate, the winding drum winds the second pull rope, pulls the sliding plate towards the right side, and repeats the steps of circuit breaking, the circuit is cut off, the reaction is rapid, and the circuit, so as to prevent larger loss, improve the safety performance of the circuit breaker, when the motor is opened, the motor can drive the first gear to rotate through the rotating shaft, the first gear can drive the second gear to rotate, the second gear drives the threaded rod to rotate through the movable rod, the threaded rod can drive the first baffle plate to slide towards the direction far away from the mechanism box, and further the first arc-extinguishing material in the first box body is spilled out, when the first baffle plate slides, the limiting rod can be driven to move, so that the limiting rod moves in the second chute, and the second baffle plate slides towards the direction far away from the mechanism box, so that the second arc-extinguishing material in the second box body is spilled out, and the first arc-extinguishing material and the second arc-extinguishing material can quickly cover the lower parts of the front side, the rear side, the left side and the right side of the mechanism box and can be splashed towards the lower part of the circuit breaker, at the fire spread can be directly slowed down or directly extinguished, the circuit breaker is protected, harm is reduced as far as possible in time, and the safety performance of the circuit breaker is improved.
Drawings
Fig. 1 is a schematic structural diagram of a front view of a high-voltage circuit breaker switch with a fire and power failure prevention function according to the present invention;
FIG. 2 is a schematic structural diagram of a sectional view of an inner cavity of a switching mechanism box of a high-voltage circuit breaker with a fireproof power-off function, which is provided by the invention;
fig. 3 is a schematic cross-sectional structural view of a top view of an inner cavity of a switching mechanism box of a high-voltage circuit breaker with a fireproof power-off function, which is provided by the invention;
FIG. 4 is a schematic diagram of a circuit connection mode structure of a high-voltage circuit breaker switch singlechip with a fireproof power-off function, which is provided by the invention;
fig. 5 is a schematic structural view of a cross-sectional view of a switch fixing box of a high-voltage circuit breaker with a fireproof power-off function, which is provided by the invention;
fig. 6 is a schematic structural diagram of a bottom portion of a second baffle of a high-voltage circuit breaker switch with a fireproof and power-off function according to the present invention;
fig. 7 is a schematic structural view of a side cross-sectional view of a first box of a high-voltage circuit breaker switch with a fireproof power-off function according to the present invention;
fig. 8 is a schematic structural diagram of a high-voltage circuit breaker switch a with a fireproof power-off function according to the present invention;
fig. 9 is a schematic structural diagram of a high-voltage circuit breaker switch B with a fireproof power-off function according to the present invention;
fig. 10 is a schematic structural diagram of a high-voltage circuit breaker switch C with a fire-proof power-off function according to the present invention.
In the figure: the mechanism comprises a mechanism box 1, a single chip microcomputer 2, a buzzer 3, a temperature sensor 4, an electric connection post 5, an electric connection head 6, a lifting plate 7, a first spring 8, a first limit hole 9, a first inclined groove 10, a first slide block 11, a moving rod 12, a first limit block 13, a second limit block 14, a slide groove 15, a slide block 16, a second spring 17, a second limit hole 18, a first guide wheel 19, a first pull rope 20, a handle 21, a second guide wheel 22, a motor 23, a rotating shaft 24, a first gear 25, a winding cylinder 26, a second pull rope 27, a mounting plate 28, a moving rod 29, a second gear 30, a threaded rod 31, a fixed box 32, a third limit hole 33, a moving block 34, a third spring 35, an interference block 36, a connecting plate 37, an arc extinguishing structure 38, a pressing column 39, a first box body 40, a first mounting groove 41, a first baffle 42, a first arc extinguishing material 43, a second box body 44, a second mounting groove 45, a second mounting groove, A second baffle 46, a limiting rod 47, a second chute 48, a sliding plate 49 and a second arc extinguishing material 50.
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.
Referring to fig. 1-10, a high-voltage circuit breaker switch with a fireproof power-off function comprises a mechanism box 1, three arc extinguishing structures 38 are installed at the top of the mechanism box 1, a single chip microcomputer 2 is installed at the left side of the bottom of an inner cavity of the mechanism box 1, the single chip microcomputer 2 can adopt an STC89C51 model, a buzzer 3 is installed at the right side of the bottom of the inner cavity of the mechanism box 1, a temperature sensor 4 is installed at the right side of the bottom of the inner cavity of the mechanism box 1, the temperature sensor 4 can adopt a PT100 model, the single chip microcomputer 2 is connected with the buzzer 3 through a lead, the single chip microcomputer 2 is connected with the temperature sensor 4 through a lead, three electric connecting posts 5 are movably installed at the top of the mechanism box 1 in a penetrating manner, electric connectors 6 are installed at the lower ends of the electric connectors 5, lifting plates 7 are installed at the lower surfaces of the, the surface of a first spring 8 is provided with a first limiting hole 9, the first limiting hole 9 and the first spring 8 are designed in an integrated mode, the rear side of the inner cavity of a mechanism box 1 is provided with a first chute 10, the first chute 10 is inclined, the first chute 10 and the mechanism box 1 are designed in an integrated mode, the bottom of the inner cavity of the mechanism box 1 is provided with a chute 15, the inside of the first chute 10 is provided with a circuit breaking structure in a sliding mode, the circuit breaking structure comprises a first sliding block 11 arranged in the first chute 10 in a sliding mode, one side of the front side of the first sliding block 11 is provided with a moving rod 12, one end of the moving rod 12 is provided with a first limiting block 13, the first limiting block 13 penetrates through the first limiting hole 9, one side of the moving rod 12 is provided with a second limiting block 14, the circuit breaking structure further comprises a sliding block 16 arranged in the chute 15 in a sliding mode, the left side of the, the upper surface of the sliding block 16 is provided with a sliding plate 49, the surface of the sliding plate 49 is provided with a second limiting hole 18, the second limiting hole 18 and the sliding plate 49 are designed in an integrated mode, a second limiting block 14 penetrates through the sliding plate 49, the circuit breaking structure further comprises a first guide wheel 19 installed on the right side of the bottom of the inner cavity of the mechanism box 1, the lower part of the right side of the sliding plate 49 is connected with a first pull rope 20, the first pull rope 20 penetrates through the first guide wheel 19, one end of the first pull rope 20 movably penetrates through the mechanism box 1, one end of the first pull rope 20 is connected with a handle 21, one end of a second pull rope 27 is connected to one side of the sliding plate 49, when manual circuit breaking is needed, a worker drives the sliding plate 49 to integrally move rightwards by pulling the handle 21, the second limiting hole 18 formed in the surface of the sliding plate 49 can drive the second limiting block 14 to, thereby make the whole below motion to the right of motion pole 12, motion pole 12 is through driving first stopper 13 motion to make first stopper 13 slide and drive lifter plate 7 whole downstream in first spacing hole 9 is inside, drive through first spring 8 and connect electrical column 5 and stimulate downwards, make the contact separation of circuit breaker, and then accomplish the effect of opening circuit.
The second guide wheel 22 is installed on the right side of the inner cavity of the mechanism box 1, the driving structure is installed on the rear side of the inner cavity of the mechanism box 1 and comprises a motor 23 installed on the rear side of the inner cavity of the mechanism box 1, a rotating shaft 24 is installed at the output end of the motor 23, a first gear 25 is installed on the outer side of the rotating shaft 24 in a penetrating mode, a winding drum 26 is installed at one end of the front side of the rotating shaft 24, a second pull rope 27 is connected to the outer side of the winding drum 26, the single chip microcomputer 2 is connected with the motor 23 through a wire, when automatic circuit breaking is conducted, the single chip microcomputer 2 controls the motor 23 to be opened, the motor 23 drives the rotating shaft 24 to rotate, the winding drum 26 is driven to rotate, the winding drum 26 winds the second pull rope 27, the sliding plate 49 is pulled towards.
The outer side of the driving structure is connected with a second pull rope 27, the outer side of the driving structure is provided with a first gear 25 in a penetrating way, the second pull rope 27 passes through a second guide wheel 22, one end of the second pull rope 27 is connected with one side of the circuit breaking structure, the right side of the inner cavity of the mechanism box 1 is provided with two mounting plates 28, the mounting plates 28 are movably provided with movable rods 29 in a penetrating way on the outer sides of the mounting plates 28, a second gear 30 is connected between the two movable rods 29, one ends of the movable rods 29 far away from the second gear 30 are provided with threaded rods 31, the rear side of the inner cavity of the mechanism box 1 is provided with a locking structure, the locking structure comprises a fixed box 32 arranged at the rear side of the inner cavity of the mechanism box 1, one side of the fixed box 32 is provided with a third limiting hole 33, the third limiting hole 33 and the fixed box 32 are designed in, the abutting block 36 and the movable block 34 are designed in an integrated manner, when the moving rod 12 moves to abut against the abutting block 36, the abutting block 36 is pressed backwards, and when the moving rod 12 passes through the abutting block 36, the abutting block 36 is ejected out, so that a circuit is conveniently opened or closed.
The protection structure is arranged on the outer side of the mechanism box 1, the threaded rod 31 penetrates through the protection structure, the protection structure comprises first box bodies 40 arranged on the front side and the rear side of the mechanism box 1, first installation grooves 41 are formed in the first box bodies 40, the first installation grooves 41 and the first box bodies 40 are designed in an integrated mode, first baffle plates 42 are slidably installed in the first installation grooves 41, the threaded rod 31 penetrates through the first baffle plates 42, first arc extinguishing materials 43 are arranged in the first box bodies 40, the protection structure further comprises second box bodies 44 arranged on the left side and the right side of the mechanism box 1, second installation grooves 45 are formed in the second box bodies 44, the second installation grooves 45 and the second box bodies 44 are designed in an integrated mode, second baffle plates 46 are slidably installed in the second installation grooves 45, second chutes 48 are formed in the bottoms of the second baffle plates 46, the second chutes 48 and the second baffle plates 46 are designed in an integrated mode, and the, the left side and the right side of the front side of the first baffle 42 are both provided with a limiting rod 47, the limiting rod 47 and the first baffle 42 are designed in an integrated manner, one end of the limiting rod 47 is positioned inside the second chute 48, the inner cavity of the second box 44 is provided with a second arc-extinguishing material 50, when the motor 23 is opened, the motor can drive the first gear 25 to rotate through the rotating shaft 24, the first gear 25 can drive the second gear 30 to rotate, the second gear 30 drives the threaded rod 31 to rotate through the movable rod 29, the threaded rod 31 can drive the first baffle 42 to slide towards the direction far away from the mechanism box 1, so that the first arc-extinguishing material 43 inside the first box 40 is scattered out, the limiting rod 47 can be driven to move while the first baffle 42 slides, so that the limiting rod 47 moves inside the second chute 48, the second baffle 46 slides towards the direction far away from the mechanism box 1, and the second arc-extinguishing material 50 inside the second box 44 is scattered out, the first arc-extinguishing material 43 and the second arc-extinguishing material 50 can be quickly covered on the lower parts of the front side, the rear side, the left side and the right side of the mechanism box 1 and can be splashed to the lower part of the circuit breaker, so that the fire spread can be directly slowed down or the fire can be directly extinguished, the circuit breaker is protected, the harm is timely reduced as far as possible, and the safety performance of the circuit breaker is improved.
The working principle is as follows: when the manual circuit breaking is needed, a worker pulls the handle 21 to drive the sliding plate 49 to move rightwards integrally, the second limiting block 14 can be driven by the second limiting hole 18 formed in the surface of the sliding plate 49 to move rightwards, the second limiting block 14 drives the moving rod 12 to move rightwards, the first sliding block 11 slides in the first chute 10 at the moment, so that the moving rod 12 moves rightwards and downwards integrally, the moving rod 12 drives the first limiting block 13 to move, so that the first limiting block 13 slides in the first limiting hole 9 and drives the lifting plate 7 to move downwards integrally, the electric connecting column 5 is driven by the first spring 8 to pull downwards, so that the contacts of the circuit breaker are separated, and the circuit breaking effect is further completed, when the moving rod 12 moves to abut against the abutting block 36, the abutting block 36 is pressed backwards, and when the moving rod 12 passes through the abutting block 36, the abutting block 36 pops up, further blocking the moving rod 12, preventing the moving rod 12 from resetting, completing the locking work in the open circuit state, separating the contact and realizing the function of lengthening the electric arc in a short time, thereby increasing the arc extinguishing effect, reducing the loss of the circuit breaker, when the circuit needs to be closed, only pressing the pressing column 39, the pressing column 39 drives the connecting plate 37 to move towards the rear side, further making the contact block 36 move towards the rear side and not limiting the position of the moving rod 12, at the moment, the moving rod 12 resets, further making the circuit connected, the temperature sensor 4 carries out real-time temperature detection in the normal working process, when the temperature is too high and reaches the threshold value set by the singlechip 2, the singlechip 2 controls the buzzer 3 to give out alarm sound, controls the motor 23 to be opened, the motor 23 drives the rotating shaft 24 to rotate, thereby driving the winding drum 26 to rotate, the winding drum 26 winds up the second pull rope 27, the sliding plate 49 is pulled to the right side, the circuit is broken by repeating the circuit breaking step, the reaction is rapid, the circuit can be broken in time when the fire spreads to the vicinity of the circuit breaker, so as to prevent larger loss, the safety performance of the circuit breaker is improved, when the motor 23 is opened, the motor can drive the first gear 25 to rotate through the rotating shaft 24, the first gear 25 can drive the second gear 30 to rotate, the second gear 30 drives the threaded rod 31 to rotate through the movable rod 29, the threaded rod 31 can drive the first baffle plate 42 to slide in the direction far away from the mechanism box 1, so that the first arc-extinguishing material 43 in the first box body 40 is scattered, when the first baffle plate 42 slides, the limiting rod 47 can be driven to move in the second chute 48, so that the second baffle plate 46 slides in the direction far away from the mechanism box 1, therefore, the second arc-extinguishing materials 50 in the second box body 44 are scattered, the first arc-extinguishing materials 43 and the second arc-extinguishing materials 50 can be quickly covered on the lower parts of the front side, the rear side, the left side and the right side of the mechanism box 1 at the moment and are splashed to the lower part of the circuit breaker, the fire spread can be directly slowed down or the fire can be directly extinguished at the moment, the circuit breaker is protected, the harm is timely reduced as far as possible, and the safety performance of the circuit breaker is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The high-voltage circuit breaker switch with the functions of fire prevention and power failure comprises a mechanism box (1) and is characterized in that three arc extinguishing structures (38) are installed at the top of the mechanism box (1), a single chip microcomputer (2) is installed on the left side of the bottom of an inner cavity of the mechanism box (1), a buzzer (3) is installed on the right side of the bottom of the inner cavity of the mechanism box (1), a temperature sensor (4) is installed on the right side of the bottom of the inner cavity of the mechanism box (1), the single chip microcomputer (2) is connected with the buzzer (3) through a wire, the single chip microcomputer (2) is connected with the temperature sensor (4) through a wire, three power connection posts (5) are movably installed at the top of the mechanism box (1) in a penetrating mode, power connection heads (6) are installed at the lower ends of the power connection posts (5), lifting plates (7) are installed on the lower surfaces of the, the three first springs (8) are arranged at the top of an inner cavity of the mechanism box (1) far away from one end of the lifting plate (7), first limiting holes (9) are formed in the surface of the first springs (8), the first limiting holes (9) and the first springs (8) are designed in an integrated mode, a first chute (10) is formed in the rear side of the inner cavity of the mechanism box (1), a chute (15) is formed in the bottom of the inner cavity of the mechanism box (1), a circuit breaking structure is arranged in the first chute (10) in a sliding mode, a second guide wheel (22) is arranged on the right side of the inner cavity of the mechanism box (1), a driving structure is arranged on the rear side of the inner cavity of the mechanism box (1), a second pull rope (27) is connected to the outer side of the driving structure, a first gear (25) is installed on the outer side of the driving structure in a penetrating mode, the second pull rope (27) penetrates through the second guide wheel (22, two mounting panels (28) are installed on mechanism case (1) inner chamber right side, mounting panel (28) outside activity is run through and is installed movable rod (29), two be connected with second gear (30) between movable rod (29), threaded rod (31) are installed to the one end that second gear (30) were kept away from in movable rod (29), locking structure is installed to mechanism case (1) inner chamber rear side, protective structure is installed in mechanism case (1) outside, threaded rod (31) screw thread runs through protective structure.
2. The high-voltage circuit breaker switch with the function of preventing fire and power failure according to claim 1, wherein the circuit breaking structure comprises a first sliding block (11) slidably mounted inside the first chute (10), a moving rod (12) is mounted on one side of the front surface of the first sliding block (11), a first limiting block (13) is mounted at one end of the moving rod (12), the first limiting block (13) penetrates through the first limiting hole (9), a second limiting block (14) is mounted on one side of the moving rod (12), the circuit breaking structure further comprises a sliding block (16) slidably mounted inside the chute (15), a second spring (17) is mounted on the left side of the sliding block (16), one end of the second spring (17) far away from the sliding block (16) is mounted on the left side inside the chute (15), a sliding plate (49) is mounted on the upper surface of the sliding block (16), and a second limiting hole (18) is opened on the surface of the sliding plate (49, the second limiting hole (18) and the sliding plate (49) are designed in an integrated mode, the second limiting block (14) penetrates through the sliding plate (49), the circuit breaking structure further comprises a first guide wheel (19) installed on the right side of the bottom of an inner cavity of the mechanism box (1), a first pull rope (20) is connected to the lower portion of the right side of the sliding plate (49), the first pull rope (20) penetrates through the first guide wheel (19), one end of the first pull rope (20) movably penetrates through the mechanism box (1), one end of the first pull rope (20) is connected with a handle (21), and one end of the second pull rope (27) is connected to one side of the sliding plate (49).
3. The high-voltage circuit breaker switch with the function of preventing fire and power failure according to claim 1, wherein the driving structure comprises a motor (23) installed at the rear side of the inner cavity of the mechanism box (1), a rotating shaft (24) is installed at the output end of the motor (23), a first gear (25) is installed outside the rotating shaft (24) in a penetrating manner, a winding drum (26) is installed at one end of the front surface of the rotating shaft (24), a second pull rope (27) is connected to the outer side of the winding drum (26), and the single chip microcomputer (2) is connected with the motor (23) through a wire.
4. The high-voltage circuit breaker switch with a function of preventing fire and power outages according to claim 1, characterized in that the first chute (10) is inclined, and the first chute (10) is designed in one piece with the mechanism box (1).
5. High-voltage circuit-breaker switch with a function of protection against fire and power outages according to claim 1, the locking structure comprises a fixed box (32) arranged at the rear side of the inner cavity of the mechanism box (1), a third limiting hole (33) is arranged on one side of the fixed box (32), the third limiting hole (33) and the fixed box (32) are designed in an integrated manner, a movable block (34) is movably arranged in the fixed box (32), a contact block (36) is arranged on one side of the front surface of the movable block (34), a third spring (35) is arranged at the rear side of the movable block (34), one end of the third spring (35) far away from the movable block (34) is arranged at the rear side in the fixed box (32), connecting plate (37) are installed to movable block (34) one side, connecting plate (37) openly one side is installed and is pressed post (39), press post (39) activity to run through mechanism case (1).
6. The high-voltage circuit breaker switch with the function of preventing fire and power failure as claimed in claim 5, characterized in that the axial section of the contact block (36) is trapezoidal, and the contact block (36) and the movable block (34) are designed in an integrated manner.
7. The high voltage circuit breaker switch with the function of preventing fire and power failure as claimed in claim 1, wherein the protection structure comprises a first box body (40) installed at the front and rear sides of the mechanism box (1), a first installation groove (41) is opened inside the first box body (40), the first installation groove (41) is integrally designed with the first box body (40), a first baffle (42) is slidably installed inside the first installation groove (41), the threaded rod (31) is threaded through the first baffle (42), a first arc extinguishing material (43) is arranged inside the first box body (40), the protection structure further comprises a second box body (44) installed at the left and right sides of the mechanism box (1), a second installation groove (45) is opened inside the second box body (44), the second installation groove (45) is integrally designed with the second box body (44), second baffle (46) have been installed to second mounting groove (45) inside slidable, second chute (48) have been seted up to second baffle (46) bottom, the front side gag lever post (47) have all been installed to first baffle (42) positive left and right sides, second box (44) inner chamber is equipped with second arc extinguishing material (50).
8. The high-voltage circuit breaker switch with a function of preventing fire and power failure as recited in claim 7, characterized in that the second chute (48) is of a one-piece design with a second baffle (46), and the second chute (48) is inclined.
9. The high-voltage circuit breaker switch with the function of preventing fire and power failure as claimed in claim 7, characterized in that the limiting rod (47) is designed in one piece with the first baffle (42), and one end of the limiting rod (47) is located inside the second chute (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238985.1A CN113097021A (en) | 2021-03-04 | 2021-03-04 | High-voltage circuit breaker switch with fireproof power-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238985.1A CN113097021A (en) | 2021-03-04 | 2021-03-04 | High-voltage circuit breaker switch with fireproof power-off function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113097021A true CN113097021A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110238985.1A Pending CN113097021A (en) | 2021-03-04 | 2021-03-04 | High-voltage circuit breaker switch with fireproof power-off function |
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| CN (1) | CN113097021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628919A (en) * | 2021-08-12 | 2021-11-09 | 深圳市佳创伟业科技有限公司 | A column type circuit breaker that is used for severe cold district to have stabilizing function |
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| CN208385295U (en) * | 2018-06-01 | 2019-01-15 | 江苏硕德电力技术有限公司 | A kind of control structure of high voltage load switch |
| CN111682434A (en) * | 2020-06-18 | 2020-09-18 | 宝鸡博能达电气有限公司 | Vacuum circuit breaker arranged in central metal armored switch equipment |
| CN111769006A (en) * | 2020-07-20 | 2020-10-13 | 闽江学院 | High-voltage circuit breaker motor operating mechanism with energy storage device and working method thereof |
| CN212570878U (en) * | 2020-06-23 | 2021-02-19 | 福州诺特机电科技有限公司 | Transformer power-off protection device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208385295U (en) * | 2018-06-01 | 2019-01-15 | 江苏硕德电力技术有限公司 | A kind of control structure of high voltage load switch |
| CN111682434A (en) * | 2020-06-18 | 2020-09-18 | 宝鸡博能达电气有限公司 | Vacuum circuit breaker arranged in central metal armored switch equipment |
| CN212570878U (en) * | 2020-06-23 | 2021-02-19 | 福州诺特机电科技有限公司 | Transformer power-off protection device |
| CN111769006A (en) * | 2020-07-20 | 2020-10-13 | 闽江学院 | High-voltage circuit breaker motor operating mechanism with energy storage device and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113628919A (en) * | 2021-08-12 | 2021-11-09 | 深圳市佳创伟业科技有限公司 | A column type circuit breaker that is used for severe cold district to have stabilizing function |
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Application publication date: 20210709 |