CN110752582B - Intelligent power-off device for electric wire - Google Patents
Intelligent power-off device for electric wire Download PDFInfo
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- CN110752582B CN110752582B CN201910999968.2A CN201910999968A CN110752582B CN 110752582 B CN110752582 B CN 110752582B CN 201910999968 A CN201910999968 A CN 201910999968A CN 110752582 B CN110752582 B CN 110752582B
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- power strip
- electric wire
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- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 24
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- 230000036760 body temperature Effects 0.000 claims description 9
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- 239000000919 ceramic Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 21
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical group [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
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- 230000000694 effects Effects 0.000 description 4
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- 238000005491 wire drawing Methods 0.000 description 3
- 241000272165 Charadriidae Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001338 self-assembly Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
- H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
Abstract
The invention discloses an intelligent power-off device for a wire, which relates to the field of intelligent power monitoring terminal equipment, and adopts the technical scheme that the intelligent power-off device comprises a box body for containing a power strip, wherein the upper part of the box body is open, the end part of the box body is provided with a threading groove for passing through the power strip wire, and one end of the box body passing through the power strip wire is covered by a covering; and an electric wire cutting mechanism is arranged in the covering cover and comprises a cutter for cutting off the power strip electric wire and a trigger mechanism for driving the cutter. The invention has the beneficial effects that: this scheme can adopt the physics means to keep apart power supply to electric wire and row of inserting, guarantees consumer's outage to avoid causing the condition of a fire because the temperature lasts to rise.
Description
The scheme is a divisional application, and the original application name is as follows: the utility model provides an electric wire heat intelligent monitoring device, the application date of former application is: 2019-02-13, the application number of the original application is as follows: 201910112339.3.
Technical Field
The invention relates to the field of intelligent power monitoring terminal equipment, in particular to an intelligent power-off device for a wire.
Background
With the increase of current electric equipment, the requirement on the circuit is gradually increased, and the electric wire often causes heat because of the electric equipment. Many household or office environments have fires caused by overload operation of wires, power strips and the like, or by local overhigh temperature caused by the fault of a transformer on the power strip, which exceeds the limit which the wires or the power strips can bear, so that open fire is generated, and then the fire is caused. For the people at present, a large part of users are used to close the power strip.
Therefore, the intelligent monitoring of the temperature of the wires and the power strip is realized, and the practical significance is realized by adopting an effective method to ensure the technical means of timely disconnecting the power supply.
Disclosure of Invention
Aiming at the technical problem, the invention provides an intelligent power-off device for an electric wire.
The technical scheme is that the power socket box comprises a box body for containing a power socket, wherein the upper part of the box body is open, a threading groove for passing through a power socket wire is formed in the end part of the box body, and a covering cover is arranged at one end of the box body, which passes through the power socket wire;
the device also comprises a box body temperature sensor and an electric wire temperature sensor, wherein the sensing end of the box body temperature sensor is arranged in the box body, the sensing end can be arranged at the bottom of the socket arrangement position, the sensing end can also be arranged on the side wall of the box body, the specific position is not limited, and the electric wire temperature sensor is arranged on one side of the covering cover, which is far away from the socket body, and is close to the socket electric wires;
the wire cutting mechanism is arranged in the covering cover and comprises a cutter used for cutting off the power strip wires, the signal output ends of the box body temperature sensor and the wire temperature sensor are electrically connected with the input end of the microcontroller through an amplifying circuit to form a feedback path, and the microcontroller is electrically connected with a trigger mechanism used for driving the cutter to form a control path.
Preferably, the box body penetrates through the side wall of the extension cord and is provided with a rotating shaft, the cutter is a strip-shaped blade, one end of the blade is rotatably connected with the rotating shaft, a torsion spring is arranged at the joint of the blade and the rotating shaft, the cutting edge of the cutter is arranged downwards, the extension cord is positioned in the threading groove and below the cutting edge of the cutter, and the torsion spring provides the torsion force for the cutter to be far away from the extension cord, namely the torsion force for the cutter to rotate upwards is provided by the torsion spring;
the trigger mechanism comprises a pressure lever positioned above the cutter, the pressure lever is fixedly connected to a sliding block, a connecting rod is vertically arranged at the upper part of the sliding block, the top end of the connecting rod is fixedly connected with a piston, and the piston is arranged in a piston cylinder vertically and fixedly arranged above the side wall of the box body; the piston is driven by the trigger mechanism. And connecting plates are arranged on two sides of the piston cylinder and are in bolted connection with the upper surfaces of the side walls of the box body through the connecting plates.
Preferably, the trigger mechanism comprises a gas generator communicated with the gas inlet end of the piston cylinder, and the trigger end of an igniter of the gas generator is electrically connected with the microcontroller to form a control channel;
and a power supply passage of an igniter of the gas generator is connected with the normally open end of the relay, and the control end of the relay is electrically connected with the output end of the microcontroller through the amplifying circuit.
Preferably, the sliding block is arranged in the threading groove and is in sliding connection with the threading groove. The groove wall of the threading groove is provided with a sliding groove, the two sides of the sliding block are provided with bosses corresponding to the sliding groove, and the bosses are connected with the sliding groove in a sliding manner.
Preferably, the box body penetrates through the outer side of the side wall of the power strip wire and is also provided with a wire pulling mechanism, the wire pulling mechanism comprises a wire pulling trolley, the wire pulling trolley comprises a horizontal plate, one side, away from the box body, of the horizontal plate is provided with a vertical plate, the upper surface of the vertical plate is hinged with an arched wire pressing plate, one end of the wire pulling plate is hinged with the upper end face of the vertical plate, and the other end of the wire pulling plate is connected with the upper end face of the vertical plate through a bolt;
and one side of the vertical plate, which faces the box body, is provided with a stay wire pressure spring, one end of the stay wire pressure spring is fixedly connected with the vertical plate, and the other end of the stay wire pressure spring is abutted against the outer side surface of the box body.
Preferably, a vertical blade is fixedly arranged on the upper surface of the horizontal plate of the wire pulling trolley and close to the wire threading groove;
the cutting edge of the vertical blade faces upwards and is positioned below the power strip wires; the blade direction of the vertical blade is vertical to the projection of the axis of the socket wire on the horizontal plane;
the upper end face of the protective sleeve elastic sheet is attached to the bottom face of the clamping plate, and the lower end face of the protective sleeve elastic sheet is attached to the upper surface of the horizontal plate.
Through boss fixed connection between the bottom of two splint of protective sheath, and vertical blade corresponds this boss and sets up the stopper, places the protective sheath and upwards deviates from along vertical blade.
Preferably, an inserting rod is horizontally arranged on one side, facing the box body, of the vertical plate, a jack is formed in the box body corresponding to the inserting rod, the inserting rod penetrates through the jack and extends into the box body, a clamping groove is formed in a rod body, located in the box body, of the inserting rod, and the clamping groove is an annular groove surrounding the rod body of the inserting rod;
a limiting plate is arranged in the rod body and corresponds to the clamping groove, a groove is formed in the limiting plate and corresponds to the annular groove, the inserted rod is a cylindrical rod body, the groove in the limiting plate is a semicircular groove opening, and the thickness of the plate at the groove opening is smaller than or equal to the groove width of the clamping groove;
a slot is formed in the bottom surface of the box body corresponding to the limiting plate, the limiting plate is inserted into the slot and is in sliding connection with the slot, and the lower surface of the limiting plate is connected with a slot body of the slot through a limiting plate elastic sheet;
and the power strip electric wire and the sliding block are sequentially arranged right above the limiting plate.
The tension wire compression spring is sleeved on the periphery of the inserted rod.
And the bottom of the horizontal plate of the pull line trolley is provided with a roller.
Preferably, the box body penetrates through the side wall of the power strip wire and is provided with a push plate facing one side of the power strip, and the push plate is connected with the inner side face of the side wall of the box body penetrating through the power strip wire through a push plate compression spring; the surface of the push plate is abutted to the shell of the power strip.
Preferably, an exhaust nozzle is arranged at the lower part of the piston cylinder and faces the inner side of the box body, and the exhaust nozzle is communicated with the interior of the piston cylinder;
the exhaust nozzle is arranged corresponding to the through hole of the piston cylinder, and the piston is slightly higher than the upper surface of the piston when being positioned at the bottommost end of the stroke.
Preferably, the axis of the pressure lever is perpendicular to the extension surface of the cutter face of the cutter.
Preferably, the cutting knife is provided with two pieces which are respectively symmetrically arranged at two sides of the threading groove of the box body, the two cutting knives are arranged in a cross way, and the projections of the two cutting knives on the horizontal plane are attached and do not coincide.
Preferably, the bottom of the box body is provided with a support leg, and the support leg and the box body are both made of ceramics. The stabilizer blade can make the box body apart from putting the mesa built on stilts, because this device frame construction is not complicated, so can adopt ceramic manufacture, play the effect that very good separation heat reaches, have certain protection effect to the mesa that the device was put.
Preferably, the driving power supply of the self assembly of the device can be selected to be used on the power strip to obtain commercial power supply through a transformer, or a rechargeable battery arranged in the covering bag is selected as a power supply source, and the rechargeable battery can be selected to be used as a power supply source for charging through the power strip.
Preferably, the power management module is arranged corresponding to the rechargeable battery, so that the electric quantity of the rechargeable battery is displayed on the shell covered by the bag in a visual display screen mode.
Preferably, the gas generator and the igniter are both of a pyrotechnic gas generator and igniter structure used for an automobile airbag. The medicament in the gas generator is sodium azide.
An intelligent heat early warning power-off method for an electric wire,
s1, respectively monitoring the temperature of the power strip and the power strip wires through two temperature sensors, and feeding back data information obtained through monitoring to the microcontroller after the data information is amplified by an amplifying circuit;
s2, the microcontroller judges feedback information of the temperature sensor, and when the temperature information at any end exceeds a set threshold value, the microcontroller outputs control current to the control end of the relay through the amplifying circuit to close the normally open end of the relay;
s3, supplying power to the igniter through the relay so as to trigger sodium azide in the gas generator to explode, pushing the piston by using nitrogen generated by the sodium azide, and driving the pressing rod to vertically move downwards through the piston so as to press one end of the cutter downwards;
s4, the cutter is pressed down by the pressure lever and rotates by taking the shaft lever at the other end as a shaft, so that the electric wire below the cutter is cut off;
s5, the piston moves to drive the slide block to move downwards, the limiting plate is extruded, the limiting of the wire pulling vehicle is released, and the wire pulling pressure spring which stores force in the initial state of the wire pulling vehicle releases force to drive the cut-off electric wires to be separated from the power strip;
s6, when the piston moves to the bottom end of the stroke under the pushing of the gas, the gas is released from the exhaust nozzle towards the direction of the power strip, the oxygen content of the air at the upper part of the power strip is reduced, and high-pressure airflow is blown out of the upper part of the power strip.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: this scheme can implement temperature monitoring to electric wire and row of inserting, when the temperature surpassed the early warning value, adopts the physical means to keep apart power supply, guarantees the outage of consumer to avoid causing the condition of a fire because the temperature lasts the rising.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a first schematic internal structure diagram according to an embodiment of the present invention.
Fig. 3 is a partially enlarged view a of fig. 2.
Fig. 4 is a schematic diagram of an internal structure according to an embodiment of the present invention.
Fig. 5 is a partially enlarged view B of fig. 4.
Fig. 6 is a schematic structural view of the wire pulling trolley according to the embodiment of the invention.
Fig. 7 is a schematic diagram of a limiting plate structure according to an embodiment of the invention.
Wherein the reference numerals are: 100. a power strip wire; 1. a box body; 2. a support leg; 3. covering the bag; 4. a cutter; 51. a pressure lever; 52. a slider; 53. a piston cylinder; 54. a gas generator; 55. an exhaust nozzle; 61. a wire pulling vehicle; 62. a wire pressing plate; 63. a pull wire pressure spring; 64. a vertical blade; 65. a protective sleeve; 66. a protective sleeve spring sheet; 67. inserting a rod; 68. a card slot; 69. a limiting plate; 7. pushing the plate; 71. and pushing a plate to press the spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 7, the invention provides an intelligent electric wire heat monitoring device, which comprises a box body 1 for containing a power strip, wherein the upper part of the box body 1 is open, a threading slot for passing through a power strip electric wire 100 is formed in the end part of the box body 1, and a covering cover 3 is arranged at one end of the box body 1 passing through the power strip electric wire 100;
the device also comprises a box body temperature sensor and an electric wire temperature sensor, wherein the sensing end of the box body temperature sensor is arranged in the box body 1, the sensing end can be arranged at the bottom of the socket arrangement position, the sensing end can also be arranged on the side wall of the box body 1, the specific position is not limited, and the electric wire temperature sensor is arranged on one side of the coating cover 3, which is far away from the socket body, and is close to the socket electric wires 100;
the inside of the covering 3 is provided with an electric wire cutting mechanism which comprises a cutter 4 for cutting off the power strip 100, the signal output ends of the box body temperature sensor and the electric wire temperature sensor are electrically connected with the input end of the microcontroller through an amplifying circuit to form a feedback path, and the microcontroller is electrically connected with a trigger mechanism for driving the cutter 4 to form a control path.
A rotating shaft is arranged on the side wall of the box body 1 penetrating through the power strip wire 100, the cutter 4 is a strip-shaped blade, one end of the blade is rotatably connected with the rotating shaft, a torsional spring is arranged at the joint of the blade and the rotating shaft, the cutting edge of the cutter 4 is arranged downwards, the power strip wire 100 is positioned in the threading groove and below the cutting edge of the cutter 4, and the torsional spring provides the torsion force for the cutter 4 far away from the power strip wire 100, namely the torsion force for the cutter 4 to rotate upwards;
the trigger mechanism comprises a pressure lever 51 positioned above the cutter 4, the pressure lever 51 is fixedly connected to a slide block 52, the upper part of the slide block 52 is vertically provided with a connecting rod, the top end of the connecting rod is fixedly connected with a piston, and the piston is arranged in a piston cylinder 53 vertically and fixedly arranged above the side wall of the box body 1; the piston is driven by a trigger mechanism. And connecting plates are arranged on two sides of the piston cylinder 53 and are in bolted connection with the upper surfaces of the side walls of the box body 1 through the connecting plates.
The trigger mechanism comprises a gas generator 54 communicated with the air inlet end of the piston cylinder 53, and the trigger end of an igniter of the gas generator 54 is electrically connected with the microcontroller to form a control channel;
the power supply path of the igniter of the gas generator 54 is connected to the normally open end of the relay, and the control end of the relay is electrically connected to the output end of the microcontroller through an amplifying circuit.
The slide block 52 is arranged in the threading groove and is connected with the threading groove in a sliding way. The groove wall of the threading groove is provided with a sliding groove, the two sides of the sliding block 52 are provided with bosses corresponding to the sliding groove, and the bosses are connected with the sliding groove in a sliding way.
The box body 1 is also provided with a wire pulling mechanism through the outer side of the side wall of the power strip wire 100, the wire pulling mechanism comprises a wire pulling trolley 61, the wire pulling trolley 61 comprises a horizontal plate, one side of the horizontal plate, which is far away from the box body 1, is provided with a vertical plate, the upper surface of the vertical plate is hinged with an arched wire pressing plate 62, one end of the wire pulling plate is hinged with the upper end face of the vertical plate, and the other end of the wire pulling plate is in bolted connection with the upper end face of the vertical plate;
one side of the vertical plate facing the box body 1 is provided with a stay wire pressure spring 63, one end of the stay wire pressure spring 63 is fixedly connected with the vertical plate, and the other end of the stay wire pressure spring is abutted to the outer side face of the box body 1.
A vertical blade 64 is fixedly arranged on the upper surface of the horizontal plate of the wire drawing trolley 61 and close to the wire drawing groove;
the cutting edge of the vertical blade 64 faces upwards and is positioned below the power strip wire 100; the edge direction of the vertical blade 64 is perpendicular to the projection of the axis of the socket wire 100 on the horizontal plane;
the upper end of the vertical blade 64 is sleeved with a protective sleeve 65, the protective sleeve 65 comprises two clamping plates arranged on two sides of the vertical blade 64, the bottom of each clamping plate is provided with a protective sleeve elastic sheet 66, the upper end face of each protective sleeve elastic sheet 66 is attached to the bottom face of each clamping plate, and the lower end face of each protective sleeve elastic sheet 66 is attached to the upper surface of the horizontal plate.
Through boss fixed connection between the bottom of two splint of protective sheath 65, and vertical blade 64 sets up the stopper corresponding to this boss, places protective sheath 65 and upwards deviates from along vertical blade 64.
An inserting rod 67 is horizontally arranged on one side, facing the box body 1, of the vertical plate, an inserting hole is formed in the box body 1 corresponding to the inserting rod 67, the inserting rod 67 penetrates through the inserting hole and extends into the box body 1, a clamping groove 68 is formed in a rod body, located in the box body 1, of the inserting rod 67, and the clamping groove 68 is an annular groove surrounding the rod body of the inserting rod 67;
a limiting plate 69 is arranged in the rod body 1 and corresponds to the clamping groove 68, grooves are formed in the limiting plate 69 and correspond to the annular grooves, a horizontal part located below the power strip wires 100 is arranged between the grooves, the upper surface direction of the horizontal part is perpendicular to the axis of the power strip wires, the power strip 67 is a cylindrical rod body, the grooves in the limiting plate 69 are semicircular notches, and the thickness of the notches is smaller than or equal to the width of the clamping groove 68;
a slot is formed in the bottom surface of the box body 1 corresponding to the limiting plate 69, the limiting plate 69 is inserted into the slot and is in sliding connection with the slot, and the lower surface of the limiting plate 69 is connected with the slot body of the slot through a limiting plate spring sheet;
directly above the limit plate 69 are the socket wire 100 and the slider 52 in this order.
The pull wire pressure spring 63 is sleeved on the periphery of the inserted rod 67.
The bottom of the horizontal plate of the wire pulling trolley 61 is provided with a roller.
A push plate 7 is arranged on the side, facing the socket, of the box body 1 penetrating through the side wall of the socket wire 100, and the push plate 7 is connected with the inner side face of the side wall of the box body 1 penetrating through the socket wire 100 through a push plate compression spring 71; the plate surface of the push plate 7 is abutted against the shell of the power strip.
An exhaust nozzle 55 is arranged at the lower part of the piston cylinder 53 and faces the inner side of the box body 1, and the exhaust nozzle 55 is communicated with the interior of the piston cylinder 53;
the exhaust nozzle 55 is provided corresponding to the through hole of the piston cylinder 53, and is slightly higher than the upper surface of the piston when the piston is at the bottom of the stroke.
The axis of the pressure lever 51 is vertical to the extension surface of the cutter 4.
The cutters 4 are provided with two pieces which are respectively symmetrically arranged at two sides of the threading slot of the box body 1, the two cutters 4 are arranged in a cross way, and the projections of the two cutters 4 on the horizontal plane are attached and do not coincide.
The bottom of the box body 1 is provided with a support leg 2, and the support leg 2 and the box body 1 are made of ceramics. The stabilizer blade 2 can make the box body apart from putting the mesa built on stilts, because this device frame construction is not complicated, so can adopt ceramic manufacture, play the effect that very good separation heat reaches, have certain protection effect to the mesa that the device was put.
The driving power supply of the self assembly of the device can be selected to be used on the power strip to obtain commercial power supply through a transformer, or a rechargeable battery arranged in the cladding cover 3 is selected as a power supply source, and the rechargeable battery can be selected as a power supply source for charging through the power strip.
The electric quantity of the rechargeable battery is represented on the shell of the bag cover 3 in a visual display screen mode by arranging the power supply management module corresponding to the rechargeable battery.
The structure of the gas generator and the igniter is a pyrotechnic gas generator and igniter structure used for an automobile safety airbag. The medicament in the gas generator is sodium azide.
The wire pulling vehicle adopts striking red coating.
When the device is used, when the power strip is installed, the covering cover 3 and the piston cylinder 53 slide block 52 are separated from the box body 1, the cutters 4 on the two sides rotate upwards to be opened under the action of the torsion spring, the power strip is placed in the box body 1, and the push plate 7 is abutted to the shell of the power strip. The socket wire 100 is put into the threading groove and extended to the outside of the box body 1, the position of the socket wire 100 is adjusted, and the socket wire 100 is fixed on the wire drawing trolley 61 through the wire pressing plate 62. An inserted link 67 of the pull wire cart 61 is inserted into a through hole in the side wall of the box body 1 and is clamped in a clamping groove 68 by a limiting plate 69, at the moment, the pull wire pressure spring 63 and the push plate pressure spring both store force, and the thrust provided by the two pressure springs is opposite. The cutting knife 4 is pulled back to the upper part of the power strip wire 100, the slide block 52, the piston cylinder 53 and the cladding cover 3 are installed, and the press rod 51 is positioned above the knife backs of the two cutting knives 4.
Through the temperature real-time supervision to the power strip and power strip electric wire 100, when the temperature exceeded microcontroller's settlement early warning value, microcontroller passed through the relay and supplied fire firearm circular telegram, the gas generator was triggered to the firearm, under the promotion that produces a large amount of nitrogen gas in the twinkling of an eye, the piston downstream, thereby promote slider 52 and move down, in the in-process that moves down, depression bar 51 pushes down two cutters 4, the cutting edge of cutter 4 is circular arc rotatory, thereby carry out the cutting to power strip electric wire 100 below it, and there is the displacement in power strip electric wire 100 radial direction in the cutting edge of cutter 4 in this process, cut off the electric wire more easily than the simple cutting of pushing down.
Outside the box body 1, the power strip wire 100 is displaced downwards in the process of cutting under the cutter 4, the protective sleeve 65 is pressed down through the wire sheath, the vertical blade 64 is exposed at the moment, and the power strip wire is supported and cut off from bottom to top under the protective sleeve.
In the inner side of the box body 1, the power strip electric wire 100 generates downward displacement in the process of downward cutting by the cutter 4, the limiting plate 69 is pressed downwards through the outer sheath of the electric wire, the limiting plate 69 is separated from the clamping groove 68, in this state, the lower end surface of the sliding block 52 and the upper end surface of the limiting plate 69 clamp the part of the power strip electric wire 100, which is positioned on the inner side of the box body 1, the inserting rod 67 is released, the pull wire pressure spring 63 provides pulling force for the power strip electric wire 100 to be far away from the box body 1, the power strip electric wire 100 is tensioned at the moment, and the power strip electric wire is cut off by the cutter 4.
After the cutting is finished, the stay wire trolley drives the cut power strip wires to be away from the box body in a short distance. The socket and the socket wires are ensured to be thoroughly separated.
Example 2
On the basis of the embodiment 1, an intelligent electric wire heat early warning power-off method,
s1, respectively monitoring the temperature of the power strip and the power strip wires through two temperature sensors, and feeding back data information obtained through monitoring to the microcontroller after the data information is amplified by an amplifying circuit;
s2, the microcontroller judges feedback information of the temperature sensor, and when the temperature information at any end exceeds a set threshold value, the microcontroller outputs control current to the control end of the relay through the amplifying circuit to close the normally open end of the relay; the set threshold may be selected to be 85 ℃;
s3, supplying power to the igniter through the relay so as to trigger sodium azide in the gas generator to explode, pushing the piston by using nitrogen generated by the sodium azide, and driving the pressing rod to vertically move downwards through the piston so as to press one end of the cutter downwards;
s4, the cutter is pressed down by the pressure lever and rotates by taking the shaft lever at the other end as a shaft, so that the electric wire below the cutter is cut off;
s5, the piston moves to drive the slide block to move downwards, the limiting plate is extruded, the limiting of the wire pulling vehicle is released, and the wire pulling pressure spring which stores force in the initial state of the wire pulling vehicle releases force to drive the cut-off electric wires to be separated from the power strip;
s6, when the piston moves to the bottom end of the stroke under the pushing of the gas, the gas is released from the exhaust nozzle towards the direction of the power strip, the oxygen content of the air at the upper part of the power strip is reduced, and high-pressure airflow is blown out of the upper part of the power strip.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The intelligent power-off device for the electric wire is characterized by comprising a box body (1) for containing a power strip, wherein the upper part of the box body (1) is open, a threading groove for penetrating through the power strip electric wire (100) is formed in the end part of the box body (1), and a covering cover (3) is arranged at one end, penetrating through the power strip electric wire (100), of the box body (1);
an electric wire cutting mechanism is arranged in the covering (3) and comprises a cutter (4) for cutting off the power strip electric wire (100) and a trigger mechanism for driving the cutter (4);
the socket is characterized by further comprising a box body temperature sensor and an electric wire temperature sensor, wherein the sensing end of the box body temperature sensor is arranged inside the box body (1), and the electric wire temperature sensor is arranged on one side, far away from the socket body, of the covering cover (3) and is close to the socket electric wires (100); the signal output ends of the box body temperature sensor and the wire temperature sensor are electrically connected with the input end of the microcontroller through an amplifying circuit to form a feedback path, and the microcontroller is electrically connected with the trigger mechanism to form a control path;
box body (1) passes set up the pivot on inserting the lateral wall of arranging electric wire (100), cutter (4) are rectangular form blade, blade one end with the pivot rotates to be connected, and its junction sets up the torsional spring, the cutting edge of cutter (4) sets up down, it is located to insert row electric wire (100) the threading inslot, and be located the below of cutter (4) cutting edge, the torsional spring provides cutter (4) and keeps away from insert the torsion of arranging electric wire (100).
2. The device according to claim 1, characterized in that the trigger mechanism comprises a pressure lever (51) positioned above the cutting knife (4), the pressure lever (51) is fixedly connected to a slide block (52), a connecting rod is vertically arranged at the upper part of the slide block (52), the top end of the connecting rod is fixedly connected with a piston, and the piston is arranged in a piston cylinder (53) vertically and fixedly arranged above the side wall of the box body (1); the piston is driven by the trigger mechanism;
the axis of the pressure lever (51) is vertical to the extension surface of the cutter (4); the cutting knives (4) are provided with two pieces which are respectively symmetrically arranged at two sides of the threading slot of the box body (1), the two pieces of cutting knives (4) are arranged in a crossed manner, and the projections of the two pieces of cutting knives (4) on the horizontal plane are attached and do not coincide; the bottom of the box body (1) is provided with support legs (2), and the support legs (2) and the box body (1) are made of ceramics.
3. The device according to claim 2, characterized in that an exhaust nozzle (55) is provided at the lower part of the piston cylinder (53) towards the inner side of the box body (1), the exhaust nozzle (55) communicating with the interior of the piston cylinder (53);
the exhaust nozzle (55) is arranged corresponding to the through hole of the piston cylinder (53), and when the piston is positioned at the bottommost end of the stroke, the exhaust nozzle is slightly higher than the upper surface of the piston.
4. The device according to claim 2, wherein the trigger mechanism comprises a gas generator (54) in communication with the inlet end of the piston cylinder (53), the igniter trigger end of the gas generator (54) being electrically connected to a microcontroller forming a control channel.
5. The device of claim 2, wherein the slider (52) is disposed within the threading slot in sliding engagement therewith.
6. The device according to claim 1, characterized in that a wire pulling mechanism is further arranged on the outer side of the side wall of the box body (1) penetrating through the power strip wire (100), the wire pulling mechanism comprises a wire pulling trolley (61), the wire pulling trolley (61) comprises a horizontal plate, a vertical plate is arranged on one side of the horizontal plate far away from the box body (1), an arched wire pressing plate (62) is hinged to the upper surface of the vertical plate, one end of the wire pulling plate is hinged to the upper end face of the vertical plate, and the other end of the wire pulling plate is in bolted connection with the upper end face of the vertical plate;
one side of the vertical plate, which faces the box body (1), is provided with a stay wire pressure spring (63), one end of the stay wire pressure spring (63) is fixedly connected with the vertical plate, and the other end of the stay wire pressure spring is abutted to the outer side face of the box body (1).
7. The device as claimed in claim 6, wherein a vertical blade (64) is fixedly arranged on the upper surface of the horizontal plate of the wire trolley (61) near the threading slot;
the cutting edge of the vertical blade (64) faces upwards and is positioned below the power strip wire (100); the blade edge direction of the vertical blade (64) is vertical to the projection of the axis of the socket wire (100) on the horizontal plane;
a protective sleeve (65) is sleeved on the vertical blade (64), the protective sleeve (65) comprises two clamping plates arranged on two sides of the vertical blade (64), a protective sleeve elastic sheet (66) is arranged at the bottom of each clamping plate, the upper end surface of each protective sleeve elastic sheet (66) is attached to the bottom surface of each clamping plate, and the lower end surface of each protective sleeve elastic sheet (66) is attached to the upper surface of the horizontal plate; the bottoms of the two clamping plates of the protective sleeve (65) are fixedly connected through a boss, and a limiting block is arranged on the vertical blade (64) corresponding to the boss.
8. The device according to claim 6, characterized in that an insert rod (67) is horizontally arranged on one side of the vertical plate facing the box body (1), a jack is formed on the box body (1) corresponding to the insert rod (67), the insert rod (67) passes through the jack and extends to the inside of the box body (1), a clamping groove (68) is formed on a rod body of the insert rod (67) located inside the box body (1), and the clamping groove (68) is an annular groove surrounding the rod body of the insert rod (67);
a limiting plate (69) is arranged in the box body (1) and corresponds to the clamping groove (68), a groove is formed in the limiting plate (69) and corresponds to the annular groove, the inserting rod (67) is a cylindrical rod body, the groove in the limiting plate (69) is a semicircular notch, and the thickness of the notch is smaller than or equal to the groove width of the clamping groove (68);
a slot is formed in the bottom surface of the box body (1) corresponding to the limiting plate (69), the limiting plate (69) is inserted into the slot and is in sliding connection with the slot, and the lower surface of the limiting plate (69) is connected with the slot body of the slot through a limiting plate elastic sheet;
the power strip wire (100) and the sliding block (52) are arranged above the limiting plate (69) in sequence; the pull wire compression spring is sleeved on the periphery of the inserted rod; and the bottom of the horizontal plate of the pull line trolley is provided with a roller.
9. The device according to any one of claims 1 to 8, characterized in that the box body (1) is provided with a push plate (7) through the side wall of the power strip wire (100) towards one side of the power strip, and the push plate (7) is connected with the inner side surface of the side wall of the box body (1) through the power strip wire (100) through a push plate compression spring (71); the surface of the push plate (7) is abutted to the shell of the power strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999968.2A CN110752582B (en) | 2019-02-13 | 2019-02-13 | Intelligent power-off device for electric wire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910999968.2A CN110752582B (en) | 2019-02-13 | 2019-02-13 | Intelligent power-off device for electric wire |
| CN201910112339.3A CN109728565B (en) | 2019-02-13 | 2019-02-13 | Intelligent electric wire heat monitoring device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910112339.3A Division CN109728565B (en) | 2019-02-13 | 2019-02-13 | Intelligent electric wire heat monitoring device |
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| CN110752582A CN110752582A (en) | 2020-02-04 |
| CN110752582B true CN110752582B (en) | 2021-11-30 |
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| CN201910112339.3A Active CN109728565B (en) | 2019-02-13 | 2019-02-13 | Intelligent electric wire heat monitoring device |
| CN201911000426.6A Active CN110752583B (en) | 2019-02-13 | 2019-02-13 | Intelligent early warning power-off device and method for heat of electric wire |
| CN201910999968.2A Active CN110752582B (en) | 2019-02-13 | 2019-02-13 | Intelligent power-off device for electric wire |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910112339.3A Active CN109728565B (en) | 2019-02-13 | 2019-02-13 | Intelligent electric wire heat monitoring device |
| CN201911000426.6A Active CN110752583B (en) | 2019-02-13 | 2019-02-13 | Intelligent early warning power-off device and method for heat of electric wire |
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| CN112914917B (en) * | 2021-03-22 | 2022-05-20 | 河南省人民医院 | Early heart rehabilitation special vehicle based on artificial intelligence |
| CN117200149B (en) * | 2023-09-14 | 2024-02-27 | 江苏固特电气控制技术有限公司 | Over-temperature protection solid-state relay |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110752583B (en) | 2021-10-22 |
| CN110752582A (en) | 2020-02-04 |
| CN109728565B (en) | 2019-12-27 |
| CN109728565A (en) | 2019-05-07 |
| CN110752583A (en) | 2020-02-04 |
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Effective date of registration: 20211109 Address after: No.27, junqian street, Changzhou City, Jiangsu Province, 213000 Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. CHANGZHOU POWER SUPPLY BRANCH Applicant after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 271100 No. 40, Zhonghua East Road, Xiaoshan village, pengquan sub district office, Laicheng District, Laiwu City, Jinan City, Shandong Province Applicant before: Wang Qingzhao |
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