CN117147949A - Current alarm device for power supply switch - Google Patents

Current alarm device for power supply switch Download PDF

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Publication number
CN117147949A
CN117147949A CN202311060495.2A CN202311060495A CN117147949A CN 117147949 A CN117147949 A CN 117147949A CN 202311060495 A CN202311060495 A CN 202311060495A CN 117147949 A CN117147949 A CN 117147949A
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CN
China
Prior art keywords
heat conduction
fixedly connected
reaction
connecting frame
retardant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202311060495.2A
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Chinese (zh)
Other versions
CN117147949B (en
Inventor
卢品金
卢生宝
苗培华
张居磊
吴庆峰
李化海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Yatai Motor Co ltd
Original Assignee
Xuzhou Yatai Motor Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Xuzhou Yatai Motor Co ltd filed Critical Xuzhou Yatai Motor Co ltd
Priority to CN202311060495.2A priority Critical patent/CN117147949B/en
Publication of CN117147949A publication Critical patent/CN117147949A/en
Application granted granted Critical
Publication of CN117147949B publication Critical patent/CN117147949B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C5/00Making of fire-extinguishing materials immediately before use
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

The invention discloses a current alarm device for a power supply switch, which belongs to the technical field of current alarm devices.

Description

Current alarm device for power supply switch
Technical Field
The invention relates to the technical field of current alarm devices, in particular to a current alarm device for a power supply switch.
Background
The current stability is an important index for evaluating the quality of electric energy, and the daily electric power does have the current fluctuation condition, and the electric power alarm device is used as a device for monitoring the current stability, so that a user is reminded of eliminating the factor of the current instability, and the electric appliance is used after the current is stable, so that larger loss is avoided.
The current alarm device is used for giving an alarm to a user when the current instability is monitored, and when the current is too large in the running state of the indoor electric appliance, the alarm device can only alarm the user, and certain remedial measures can not be adopted for the emergency, so that larger loss is caused.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the invention aims to provide a current alarm device for a power supply switch, which can monitor a power line through an alarm, and when the electric quantity transmitted by the power line is overlarge, a pair of protective sleeves in an early warning assembly are combined with a pair of conductive blocks, so that the pair of conductive blocks in a working state can be insulated and protected.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a current alarm device for joining in marriage power supply switch, includes the power cord, install the protecting crust on the power cord, and the power cord includes power transmission line and power supply line, the power transmission line is all installed the conducting block with the power supply line extension to the protecting crust in the one end near, the alarm is installed to the protecting crust inner wall, and is provided with early warning subassembly in the protecting crust.
Further, the early warning subassembly includes the protective housing, protective housing and protective housing inner wall fixed connection, fixedly connected with motor in the protective housing, motor output runs through the protective housing inner wall and extends to motor outer end fixedly connected with dwang, dwang keeps away from protective housing one end fixedly connected with heat conduction chamber, the heat conduction chamber bottom is provided with the conductor, conductor center department and a pair of electric conduction piece center department looks butt, and the outer periphery of conductor is provided with insulating heat conduction cover, insulating heat conduction cover top and heat conduction chamber fixed connection, the heat conduction intracavity is provided with a plurality of heat conduction balls, heat conduction ball and insulating heat conduction cover looks butt, heat conduction chamber top fixedly connected with linking frame, linking frame both sides equal fixedly connected with connecting pipe, the gasbag is kept away from linking frame one side and is installed to the connecting pipe, the gasbag is kept away from linking frame one side and is installed the lag with electric conduction piece assorted, the lag is close to linking frame one side fixedly connected with spring, lag one end and linking frame fixed connection are kept away from to the spring.
Further, the heat conduction block is inlayed to the connecting frame bottom, and is provided with the reaction frame in the connecting frame, reaction frame and heat conduction block looks butt, and fixedly connected with a plurality of evenly distributed's heat conduction strip in the reaction frame, a plurality of the heat conduction strip all is provided with a plurality of reaction balls each other.
Further, a plurality of vent holes are formed in the connecting frame and the reaction frame.
Further, the reaction frame top threaded connection has the rotation lid, all inlay with the connecting frame butt department has magnet, it has sealed pad to rotate lid and connecting frame butt department, rotate lid top fixedly connected with swivel becket, it is equipped with anti-skidding line to carve on the swivel becket.
Further, the connecting pipe is fixedly connected with a corrugated pipe in a surrounding mode, and the diameter of the corrugated pipe is larger than that of the air bag.
Further, the heat conduction ball comprises a metal hemisphere and a protection film, the metal hemisphere is fixedly connected with the protection film, heat conduction oil is filled in the protection film, and the mass of the metal hemisphere is larger than that of the protection film and the heat conduction oil.
Further, the reaction ball comprises a coating film, reaction particles are filled in the coating film, a breathable film is sleeved outside the coating film, and the reaction particles are made of ammonium bicarbonate.
Further, a flame-retardant cavity is formed in the protective sleeve, flame-retardant particles are filled in the flame-retardant cavity, a plurality of flame-retardant grooves communicated with the flame-retardant cavity are formed in the protective sleeve, and inflammable blocks are filled in the flame-retardant grooves.
Further, the flame-retardant particles are made of ABS dry powder extinguishing agent.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme is through installing the protecting crust on setting up the power cord, and be provided with early warning subassembly in the protecting crust, monitor the power cord through the alarm of installing in the protecting crust, and feed back the signal of its monitoring to the early warning subassembly that sets up in the protecting crust, early warning subassembly makes corresponding feedback measure according to the signal of protecting crust feedback, when the electric quantity of power cord transmission is too big, through the motor in the starting protective housing, make its conductor disconnection with a pair of conducting block looks butt, cause the short circuit even cause equipment damage when preventing the power cord electric quantity is too big, combine together with a pair of conducting block through a pair of lag in the early warning subassembly after rotating, thereby can carry out insulation protection to a pair of conducting block under the operating condition.
(2) According to the scheme, the plurality of reaction balls are arranged in the heat conducting cavity, the reaction balls are abutted against the insulating heat conducting sleeve which surrounds the power line outside the power line in the working state of the power line, heat can be absorbed and stored through the insulating heat conducting sleeve, when the heat conducting cavity fixedly connected with the output end of the motor in the protective shell is driven to synchronously rotate to disconnect the power line for transmission when the motor in the protective shell is started, the plurality of heat conducting balls in the heat conducting cavity are abutted against the heat conducting blocks embedded in the connecting frame after rotating, heat absorbed by the heat conducting balls is transferred to the reaction frame through the heat conducting blocks, the plurality of reaction balls which are arranged between the pair of heat conducting strips are transferred to the plurality of reaction balls through the plurality of heat conducting strips fixedly connected in the reaction frame, a large amount of gas is released through the reaction balls after being heated, and the protection sleeve and the heat conducting blocks are pushed in the air bag to be combined, so that insulation protection can be timely carried out on the heat conducting blocks after the power line is disconnected.
(3) The air vents are formed in the connecting frame and the reaction frame, after the heat conduction balls and the heat conduction blocks are in contact with each other to transfer heat after the rotation is finished, the heat conduction strips react to transfer heat to the reaction balls to release a large amount of gas, and then the gas can enter the air bag through the air vents formed in the connecting frame and the reaction frame, so that the protective sleeve is combined with the conductive blocks.
(4) According to the scheme, the rotating cover is connected with the top end of the reaction frame through threads, the magnet is embedded at the joint of the rotating cover and the connecting frame, when a worker changes the reaction frame, the rotating ring fixedly connected with the rotating cover is pulled to take out the reaction frame, and the rotating cover is rotated through the rotation, so that the reaction ball in the reaction frame can be supplemented, and the reaction ball in the reaction frame is conveniently supplemented after being used, so that the reaction ball is convenient to use again.
(5) This scheme is through the outer rigid coupling of connecting pipe has the bellows, and the diameter of bellows is greater than the gasbag, when the reaction ball is heated when releasing gas in the transfer to the gasbag, can guarantee to a maximum extent that the gas in the gasbag makes the gasbag remove in the horizontal direction to the length when can guarantee the gasbag extension can drive the lag and wrap up the conducting block, improved the availability factor of heat conduction ball.
(6) According to the scheme, the heat conducting oil is filled in the protective film, the mass of the metal hemisphere is larger than the sum of the mass of the protective film and the mass of the heat conducting oil, the metal hemisphere can extrude the protective film and the heat conducting oil before rotating, the contact area between the protective film and the insulating heat conducting sleeve is increased, the heat absorption efficiency of the heat conducting ball is improved, and the heat conducting ball can guarantee the heat required to be absorbed by the reaction ball when transferring heat.
(7) According to the scheme, the reaction balls are filled with reaction particles, the reaction particles are made of ammonium bicarbonate, so that the ammonium bicarbonate can be utilized to achieve a remarkable decomposition effect at the temperature of the temperature, substances such as carbon dioxide and water can be produced, the protective sleeve can be pushed to be combined with the conductive block through produced gas, the gas-permeable membrane surrounding the protective sleeve outside the reaction balls can wrap the water therein, the gas can be released, and adverse effects of the produced water on the device are prevented.
(8) The fire-retardant chamber has been seted up through setting up in the lag in this scheme, and fire-retardant chamber is filled with fire-retardant granule, when the conductive block parcel under lag and operating condition, when the conductive block high temperature leads to fire-retardant chamber to fire, through igniting the back of the inflammable piece in the fire-retardant inslot of seting up, fire-retardant granule in the fire-retardant chamber is released through fire-retardant groove to fire the processing of putting out a fire to its ignition pair, the prevention leads to the fact the fire accident to take place.
(9) According to the scheme, the ABS dry powder extinguishing agent is used as the material of the flame-retardant particles, the fire source can be effectively treated by utilizing the advantage of the ABS dry powder extinguishing agent to extinguish the fire, and the cost is low while the fire extinguishing efficiency is high.
Drawings
FIG. 1 is a schematic view of a partial perspective structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic diagram of the front cross-sectional structure of the present invention prior to circuit opening;
FIG. 4 is a schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4B according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 3C according to the present invention;
FIG. 7 is a schematic diagram of a cross-sectional front view of a thermally conductive ball of the present invention;
FIG. 8 is a schematic diagram of the front cross-sectional structure of the reaction ball of the present invention;
fig. 9 is a schematic diagram of the front cross-sectional structure of the present invention after circuit opening.
The reference numerals in the figures illustrate:
1. a power line; 2. an early warning component; 3. a connection frame; 4. a heat conduction block; 5. a heat conducting ball; 6. a reaction ball; 7. a flame retardant cavity; 11. a protective shell; 12. an alarm; 13. a conductive block; a power supply line 14; 15. a power transmission line; 21. a protective shell; 22. a heat conducting cavity; 23. a conductor; 24. a protective sleeve; 25. a motor; 26. a rotating lever; 27. an insulating heat conducting sleeve; 31. a connecting pipe; 32. a bellows; 33. an air bag; 34. a rotary cover; 35. a rotating ring; 36. a magnet; 37. a sealing gasket; 38. a spring; 41. a reaction frame; 42. a heat conducting strip; 51. a metal hemisphere; 52. a protective film; 53. heat conducting oil; 61. reacting the particles; 62. a coating film; 63. a breathable film; 71. flame retardant particles; 72. a flame retardant tank; 73. and a combustible block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1: referring to fig. 1, the power line 1 is provided with a protective shell 11, the power line 1 comprises a power transmission line 15 and a power supply line 14, the power transmission line 15 and the power supply line 14 extend to one end, close to the inside, of the protective shell 11, an alarm 12 is arranged on the inner wall of the protective shell 11, and an early warning component 2 is arranged in the protective shell 11, the power line 1 is monitored through the alarm 12 arranged in the protective shell 11, the monitored signal is fed back to the early warning component 2 arranged in the protective shell 11, the early warning component 2 takes corresponding feedback measures according to the signal fed back by the protective shell 11, when the electric quantity transmitted by the power line 1 is overlarge, a motor 25 in the protective shell 21 is started to disconnect a conductor 23 which is abutted against a pair of conductive blocks 13, so that short circuit and even equipment damage are caused when the electric quantity of the power line 1 is overlarge is prevented, the early warning component 2 is combined with the pair of protective sleeves 24 in the early warning component 2, and the pair of conductive blocks 13 can be insulated under the working state.
Referring to fig. 3-4, a current alarm device for power switch, the early warning assembly 2 comprises a protective shell 21, the protective shell 21 is fixedly connected with the inner wall of a protective shell 11, a motor 25 is fixedly connected in the protective shell 21, the output end of the motor 25 penetrates through the inner wall of the protective shell 21 and extends to the outer end of the motor 25 to be fixedly connected with a rotating rod 26, one end of the rotating rod 26 far away from the protective shell 21 is fixedly connected with a heat conducting cavity 22, the bottom end of the heat conducting cavity 22 is provided with a conductor 23, the center of the conductor 23 is abutted with the center of a pair of conductive blocks 13, the periphery of the conductor 23 is provided with an insulating heat conducting sleeve 27, the top end of the insulating heat conducting sleeve 27 is fixedly connected with the heat conducting cavity 22, a plurality of heat conducting balls 5 are arranged in the heat conducting cavity 22 and abutted with the insulating heat conducting sleeve 27, the top end of the heat conducting cavity 22 is fixedly connected with a connecting frame 3, two sides of the connecting frame 3 are fixedly connected with connecting pipes 31, the air bag 33 is arranged on one side of the connecting pipe 31 far away from the connecting frame 3, the protecting sleeve 24 matched with the electric conduction block 13 is arranged on one side of the air bag 33 far away from the connecting frame 3, the spring 38 is fixedly connected on one side of the protecting sleeve 24 close to the connecting frame 3, one end of the spring 38 far away from the protecting sleeve 24 is fixedly connected with the connecting frame 3, the heat conducting balls 5 are arranged in the heat conducting cavity 22, the heat conducting balls 5 are abutted against the insulating heat conducting sleeve 27 surrounded by the power wire 1 in the working state of the power wire 1, the heat can be absorbed and stored through the insulating heat conducting sleeve 27, when the motor 25 in the protecting shell 21 is started, the heat conducting cavity 22 fixedly connected with the output end of the motor is driven to synchronously rotate to disconnect the transmission of the power wire 1, the heat conducting balls 5 in the heat conducting cavity 22 are abutted against the heat conducting block 4 inlaid in the connecting frame 3 after rotating, and transfers the heat absorbed by the heat conductive balls 5 to the reaction frame 41 through the heat conductive block 4.
Referring to fig. 4-5, a heat conducting block 4 is inlaid at the bottom end of a connecting frame 3, a reaction frame 41 is arranged in the connecting frame 3, the reaction frame 41 is abutted against the heat conducting block 4, a plurality of evenly distributed heat conducting strips 42 are fixedly connected in the reaction frame 41, a plurality of reaction balls 6 are arranged between the plurality of heat conducting strips 42, the plurality of reaction balls 6 are transmitted to a plurality of heat conducting strips 42 through the plurality of heat conducting strips 42 fixedly connected in the reaction frame 41, a large amount of gas is released through reaction of the reaction balls 6 after being heated, and the protective sleeve 24 is pushed to be combined with the heat conducting block 13 through the release of the gas into an air bag 33, so that insulation protection can be timely carried out on the heat conducting block 13 after the power line 1 is disconnected.
A plurality of vent holes are formed in the connecting frame 3 and the reaction frame 41, and the vent holes are formed in the connecting frame 3 and the reaction frame 41, so that after heat transfer is conducted through contact between the heat conducting balls 5 and the heat conducting blocks 4 after rotation is finished, the heat conducting strips 42 react to the reaction balls 6 to release a large amount of gas, and then the gas can enter the air bag 33 through the vent holes formed in the connecting frame 3 and the reaction frame 41, so that the protective sleeve 24 can be combined with the conductive blocks 13.
The reaction frame 41 top threaded connection has the rotation lid 34, all inlay magnet 36 with the joint department of connecting frame 3 of rotation lid 34, it has sealed 37 to inlay with the joint department of connecting frame 3 to rotate lid 34, rotation lid 34 top fixedly connected with swivel becket 35, be carved with anti-skidding line on the swivel becket 35, this scheme has the rotation lid 34 through reaction frame 41 top threaded connection, and rotation lid 34 and connecting frame 3 joint department inlay magnet 36, when the staff changes reaction frame 41, through pulling the swivel becket 35 of rigid coupling on the rotation lid 34, can take out reaction frame 41, rethread rotation lid 34 makes it can supply the reaction ball 6 in the reaction frame 41, thereby it is convenient to supply it after reaction ball 6 uses up in reaction frame 41, it is convenient to use again.
Referring to fig. 4, the outer periphery of the connecting pipe 31 is fixedly connected with a corrugated pipe 32, the diameter of the corrugated pipe 32 is larger than that of the air bag 33, the corrugated pipe 32 is fixedly connected to the outer periphery of the connecting pipe 31, and the diameter of the corrugated pipe 32 is larger than that of the air bag 33, when the reaction ball 6 is heated and released to be transferred into the air bag 33, the air in the air bag 33 can be ensured to the greatest extent, so that the air bag 33 moves in the horizontal direction, and the length of the air bag 33 when being prolonged can be ensured to drive the protective sleeve 24 to cover the conductive block 13, so that the use efficiency of the heat conducting ball 5 is improved.
Referring to fig. 7, the heat conducting ball 5 includes a metal hemisphere 51 and a protective film 52, the metal hemisphere 51 is fixedly connected with the protective film 52, the protective film 52 is filled with heat conducting oil 53, the mass of the metal hemisphere 51 is greater than the mass of the protective film 52 and the mass of the heat conducting oil 53, the heat conducting oil 53 is filled in the protective film 52, and the mass of the metal hemisphere 51 is greater than the sum of the mass of the protective film 52 and the mass of the heat conducting oil 53, so that before the heat conducting ball rotates, the metal hemisphere 51 can squeeze the protective film 52 and the heat conducting oil 53, so that the contact area between the protective film 52 and the insulating heat conducting sleeve 27 is increased, thereby improving the heat absorbing efficiency of the heat conducting ball 5, and guaranteeing the heat absorbing required by the reaction of the reaction ball 6 when the heat conducting ball 5 transfers heat.
Referring to fig. 8, the reaction ball 6 includes a coating film 62, the coating film 62 is filled with reaction particles 61, a gas permeable film 63 is sleeved outside the coating film 62, the reaction particles 61 are made of ammonium bicarbonate, the reaction particles 61 are filled in the reaction ball 6, and the reaction particles 61 are made of ammonium bicarbonate, so that the reaction ball can generate substances such as carbon dioxide and water by using the remarkable decomposition effect of the ammonium bicarbonate at 30-60 ℃, the protecting sleeve 24 can be pushed to be combined with the conductive block 13 by generated gas, and the gas can be released by wrapping the water in the gas permeable film 63 sleeved outside the reaction ball 6, so that adverse effects of the generated water on the device can be prevented.
Referring to fig. 6, a protection sleeve 24 is provided with a flame-retardant cavity 7, the flame-retardant cavity 7 is filled with flame-retardant particles 71, the protection sleeve 24 is provided with a plurality of flame-retardant grooves 72 communicated with the flame-retardant cavity 7, the flame-retardant grooves 72 are filled with inflammable blocks 73, the protection sleeve 24 is provided with the flame-retardant cavity 7, and the flame-retardant cavity 7 is filled with the flame-retardant particles 71, when the protection sleeve 24 is wrapped with a conductive block 13 in a working state, when the conductive block 13 is too high in temperature to cause the flame-retardant cavity 7 to fire, the inflammable blocks 73 in the flame-retardant cavity 7 are released through the flame-retardant grooves 72 after being ignited, so that fire extinguishing treatment is performed on the ignition pair of the flame-retardant particles, and fire accidents are prevented.
The material of fire-retardant granule 71 sets up to ABS dry powder extinguishing agent, and this scheme is ABS dry powder extinguishing agent through the material that sets up inflammable block 73, can carry out effectual processing to the source of a fire through utilizing the advantage that ABS dry powder extinguishing agent put out a fire, and the cost is also lower when putting out a fire efficiently.
Working principle: when the power line 1 is normally transmitted, the conductors 23 are abutted against the pair of conductive blocks 13, so that the current transmission of the power supply line 14 and the power transmission line 15 is satisfied, and heat is generated during the current transmission. The heat is transferred to the insulating heat conducting sleeve 27 on the outer surface of the conductor 23, a plurality of heat conducting balls 5 are arranged in the heat conducting cavity 22, the metal hemispheres 51 on the heat conducting balls 5 squeeze the protective film 52 to be in contact with the insulating heat conducting sleeve 27 to obtain a larger heat absorbing area, so that the heat absorbing effect of the heat conducting oil 53 in the protective film 52 is better, when the current transmitted by the power line 1 is overlarge, the heat conducting oil is monitored by the alarm 12 arranged in the protective shell 11, a feedback signal is provided for the heat conducting oil, and the protective shell 21 is started to rotate 180 after the dark rotation in the protective shell 11. The disconnecting conductor 23 is abutted against a pair of conductive blocks 13 to disconnect current, after the rotation is finished, the heat conducting balls 5 arranged in the heat conducting cavity 22 are abutted against the heat conducting blocks 4 on the connecting frame 3 and transfer the heat absorbed by the heat conducting oil 53, so that the heat is transferred to the reaction frame 41 through the heat conducting blocks 4 and then is transferred to the heat conducting strips 42 through the reaction frame 41, a plurality of reaction balls 6 are arranged between the pair of heat conducting strips 42, the reaction balls 6 are enabled to absorb heat by the characteristics of themselves to generate a large amount of substances such as gas and water, the ventilation film 63 arranged around the reaction balls 6 can enable the gas to pass through and wrap other substances inside, the generated gas enters the air bag 33 through the reaction frame 41 and the connecting frame 3, so that the extrusion air bag 33 horizontally extends to synchronously reach the protective sleeve 24 to insulate and protect the conductive block 13, and prevent the worker from damaging the conductive block 13 during maintenance, when the protective sleeve 24 is protecting the conductive block 13, the protective sleeve 24 is possibly ignited due to overhigh temperature, the inflammable block 73 in the flame-retardant groove 72 is ignited first, and after ignition, the inflammable block is discharged from the flame-retardant groove 72 through the flame-retardant particles 71 filled in the flame-retardant cavity 7 at the ignition position, so that fire extinguishing treatment is performed, the power line 1 is prevented from burning to cause larger accident, and after the worker completes maintenance, the worker can remove the reaction frame 41 through the rotating ring 35 and then screw the rotating cover 34 to separate the rotating cover 34 from the reaction frame 41, so that the reaction ball 6 in the worker can be supplemented, and the next continuous use is facilitated.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims (10)

1. Current alarm device for joining in marriage power supply switch, including power cord (1), its characterized in that: install protecting crust (11) on power cord (1), and power cord (1) are including power transmission line (15) and power supply line (14), power transmission line (15) and power supply line (14) extend to in protecting crust (11) near one end all install conducting block (13), alarm (12) are installed to protecting crust (11) inner wall, and are provided with early warning subassembly (2) in protecting crust (11).
2. A current alarm device for a power switch according to claim 1, wherein: the early warning assembly (2) comprises a protective shell (21), the protective shell (21) is fixedly connected with the inner wall of a protective shell (11), fixedly connected with motor (25) in the protective shell (21), motor (25) output end runs through the inner wall of the protective shell (21) and extends to motor (25) outer end fixedly connected with dwang (26), dwang (26) keep away from protective shell (21) one end fixedly connected with heat conduction cavity (22), heat conduction cavity (22) bottom is provided with conductor (23), conductor (23) center department and a pair of electric conduction piece (13) center department looks butt, and conductor (23) outer periphery is provided with insulating heat conduction cover (27), insulating heat conduction cover (27) top and heat conduction cavity (22) fixed connection, be provided with a plurality of heat conduction balls (5) in heat conduction cavity (22), heat conduction ball (5) and insulating heat conduction cover (27) butt, heat conduction cavity (22) top fixedly connected with connecting frame (3), connecting frame (3) both sides fixedly connected with connecting tube (31), connecting frame (33) are kept away from in one side of connecting frame (33) and connecting frame (3), a spring (38) is fixedly connected to one side, close to the connecting frame (3), of the protective sleeve (24), and one end, far away from the protective sleeve (24), of the spring (38) is fixedly connected with the connecting frame (3).
3. A current alarm device for a power switch according to claim 2, wherein: the heat conduction block (4) is inlayed to connecting frame (3) bottom, and is provided with reaction frame (41) in connecting frame (3), reaction frame (41) and heat conduction block (4) looks butt, and fixedly connected with a plurality of evenly distributed's heat conduction strip (42) in reaction frame (41), a plurality of heat conduction strip (42) all are provided with a plurality of reaction balls (6) each other.
4. A current alarm device for a power switch according to claim 3, wherein: a plurality of vent holes are formed in the connecting frame (3) and the reaction frame (41).
5. A current alarm device for a power switch according to claim 3, wherein: the reaction frame is characterized in that a rotating cover (34) is connected to the top end of the reaction frame (41) in a threaded mode, magnets (36) are embedded at the joint of the rotating cover (34) and the connecting frame (3), a sealing gasket (37) is embedded at the joint of the rotating cover (34) and the connecting frame (3), a rotating ring (35) is fixedly connected to the top end of the rotating cover (34), and anti-slip lines are engraved on the rotating ring (35).
6. A current alarm device for a power switch according to claim 2, wherein: the outer periphery of the connecting pipe (31) is fixedly connected with a corrugated pipe (32), and the diameter of the corrugated pipe (32) is larger than that of the air bag (33).
7. A current alarm device for a power switch according to claim 3, wherein: the heat conduction ball (5) comprises a metal hemisphere (51) and a protection film (52), the metal hemisphere (51) is fixedly connected with the protection film (52), heat conduction oil (53) is filled in the protection film (52), and the mass of the metal hemisphere (51) is larger than that of the protection film (52) and the heat conduction oil (53).
8. A current alarm device for a power switch according to claim 2, wherein: the reaction ball (6) comprises a coating film (62), reaction particles (61) are filled in the coating film (62), a breathable film (63) is sleeved outside the coating film (62), and the reaction particles (61) are made of ammonium bicarbonate.
9. A current alarm device for a power switch according to claim 2, wherein: the flame-retardant protective sleeve is characterized in that a flame-retardant cavity (7) is formed in the protective sleeve (24), flame-retardant particles (71) are filled in the flame-retardant cavity (7), a plurality of flame-retardant grooves (72) communicated with the flame-retardant cavity (7) are formed in the protective sleeve (24), and inflammable blocks (73) are filled in the flame-retardant grooves (72).
10. A current alarm device for a power switch according to claim 9, wherein: the flame-retardant particles (71) are made of ABS dry powder extinguishing agent.
CN202311060495.2A 2023-08-22 2023-08-22 Current alarm device for power supply switch Active CN117147949B (en)

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