CN113258361B - Self-disconnection type emergency protection device for electrical equipment - Google Patents

Self-disconnection type emergency protection device for electrical equipment Download PDF

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Publication number
CN113258361B
CN113258361B CN202110765986.1A CN202110765986A CN113258361B CN 113258361 B CN113258361 B CN 113258361B CN 202110765986 A CN202110765986 A CN 202110765986A CN 113258361 B CN113258361 B CN 113258361B
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China
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connecting plug
self
electrical equipment
rod
protection device
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CN202110765986.1A
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CN113258361A (en
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王相涛
金玉
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Nantong Kemei Automation Technology Co ltd
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Nantong Kemei Automation Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

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Abstract

The invention discloses a self-disconnection type emergency protection device for electrical equipment, which belongs to the technical field of electrical equipment, through the arrangement of an overvoltage strain rod, when the voltage of a line is suddenly and greatly increased, the overvoltage strain rod can automatically extend under the action of an external electric field so as to drive a left connecting plug and a right connecting plug to be separated, further automatically disconnect the connection between a power line and a power supply line and prevent the electrical equipment from being damaged, through the arrangement of an instant hard closing prevention ball, when the left connecting plug and the right connecting plug are separated, the instant hard closing prevention ball can be driven to generate irreversible deformation, when the overvoltage strain rod is recovered, the left connecting plug and the right connecting plug cannot be driven to be inserted again, so that the electrical equipment can be further prevented from being damaged, and a sufficient maintenance time can be won for maintenance personnel, and a favorable ball-separating group is arranged and can additionally provide a driving force, the separation between the left connecting plug and the right connecting plug is accelerated, and the protection effect is further improved.

Description

Self-disconnection type emergency protection device for electrical equipment
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a self-disconnection type emergency protection device for the electrical equipment.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The important role played by electric power in our life and production is not ignored, brings great convenience to our life, and becomes an important energy source in our production and life. The most critical factor in a power plant that allows for the proper operation and delivery of electricity is the electrical equipment.
In some cases, the voltage of the line suddenly increases greatly, exceeds the rated voltage of the electrical equipment, and if the power failure treatment cannot be performed in time, the electrical equipment can be damaged.
In the electrical equipment in the prior art, a power line of the electrical equipment is usually connected with a power supply line in a line, when voltage is unexpectedly increased greatly, the connection between the power line and the power supply line cannot be disconnected in time, the electrical equipment is easily damaged, and loss is brought to people. Therefore, we propose a self-disconnecting type emergency protection device for electrical equipment.
Disclosure of Invention
1. Technical problem to be solved
In view of the problems in the prior art, it is an object of the present invention to provide a self-disconnection type emergency protection device for electrical equipment, which can automatically disconnect a power line of the electrical equipment from a power line of the electrical equipment when a line voltage suddenly increases to a large extent, thereby preventing the electrical equipment from being damaged due to the sudden increase of the voltage, and further effectively protecting the electrical equipment and reducing economic loss.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An automatic disconnection type emergency protection device for electrical equipment comprises an equipment body, a power line and a power supply line, wherein an automatic disconnection protection cylinder is arranged between the power line and the power supply line, so that the power line and the power supply line are indirectly connected through the automatic disconnection protection cylinder, the automatic disconnection protection cylinder comprises an insulation cylinder body, a left connecting plug and a right connecting plug which are movably inserted are arranged in the insulation cylinder body, the power line and the power supply line are respectively and electrically connected with the left connecting plug and the right connecting plug, the bottom ends of the left connecting plug and the right connecting plug are respectively and fixedly connected with a disconnection rod, an overvoltage strain rod is arranged between the two disconnection rods, the top ends of the left connecting plug and the right connecting plug are respectively and fixedly connected with a disconnection rod, one side, close to each other, of the two disconnection rods is respectively and fixedly connected with a linkage rod, and an instantaneous hard closing prevention ball is arranged between the two linkage rods, the instantaneous hardening prevention closed ball comprises an elastic outer ball shell, a liquid hardening agent A is filled in the elastic outer ball shell, a storage balloon is suspended in the liquid hardening agent A, a liquid hardening agent B is filled in the storage balloon, and a plurality of ball breaking thorns are fixedly connected to the inner walls of the upper side and the lower side of the elastic outer ball shell; when the line voltage is suddenly and greatly increased, the overvoltage strain rod can automatically extend to separate the left connecting plug and the right connecting plug, so that the connection between the power line and the power supply line is disconnected, and meanwhile, the instantaneous hard closing prevention ball can be irreversibly deformed, so that the electric equipment is effectively prevented from being damaged due to the sudden increase of the voltage.
Further, the excessive pressure strain rod adopts the electrostrictive material to make, the both ends of excessive pressure strain rod offset with two drive branch poles respectively, under the normal condition, through the power cord, the equal relatively more stable of electric current of power supply line, the power cord, the power supply line can produce a stable magnetic field outward, stable magnetic field can not arouse the electric field in the space, nevertheless increase greatly suddenly when voltage, the power cord flows through, the electric current of power supply line also can corresponding emergence great change, can arouse a comparatively powerful electric field, the excessive pressure strain rod that makes the electrostrictive material make extends because of taking place the electrostrictive phenomenon, the extension accessible of excessive pressure strain rod drives branch pole and makes left connecting plug, right connecting plug separation, thereby automatic disconnection power cord, the connection between the power supply line, and then effectively prevent that electrical equipment from increasing suddenly and damaging because of voltage.
Furthermore, the outside cover of excessive pressure strain stick is equipped with prevents the skew sleeve pipe, prevent that the skew sleeve pipe sets up to be tubular with excessive pressure strain stick assorted semicircle, and prevent that skew sleeve pipe fixed connection is on insulating barrel's bottom inner wall, prevent that the skew sleeve pipe can provide a supporting role for excessive pressure strain stick, and can prevent that excessive pressure strain stick from shifting, set up two and drive branch pole assorted direction spout on insulating barrel's the bottom inner wall, two drive branch pole respectively with two direction spout sliding connection, the direction spout can play a guide effect, can prevent to drive branch pole and take place the skew at the removal in-process.
Further, the top of excessive pressure strain rod is provided with the elastic connection rope, the both ends of elastic connection rope are driven branch pole fixed connection with two respectively, and when the change of small-amplitude takes place for the electric current in normal range, the electric field intensity of excitation is lower, and the elastic connection rope can be strengthened the connection between left connecting plug, the right connecting plug for the change of electric current small-amplitude can not lead to left connecting plug, the separation of right connecting plug, has improved stability.
Further, equal fixedly connected with go-between on the outer wall of elasticity ectosphere shell both sides, the gangbar passes through inelastic rope and is connected with the go-between, the one end and the gangbar fixed connection of inelastic rope, the other end system is on the outer wall of go-between, and the gangbar keeps away from the one end that drives the pull rod and offsets with the go-between, through the setting of driving pull rod, gangbar, inelastic rope, go-between, when the excessive pressure strain rod drives left connecting plug, right connecting plug separation, left connecting plug, right connecting plug can drive two and drive pull rod antiport to cause tensile to elasticity ectosphere shell, make elasticity ectosphere shell flatten, and then make broken ball puncture the storage balloon, the favorable inflatable ball that hangs of fixed connection on the outer wall of storage balloon, the favorable inflatable ball that hangs can provide buoyancy, makes the storage balloon in order to suspend in liquid thoughtlessly hardening agent A.
Further, liquid thoughtlessly hard agent A is strong glue, liquid thoughtlessly hard agent B is borax solution, and strong glue meets borax solution and can solidify, the sclerosis in the twinkling of an eye for the storage balloon is punctured the back, and liquid thoughtlessly hard agent A can solidify the sclerosis in the twinkling of an eye with liquid thoughtlessly hard agent B contact, makes the unable reconversion of storage balloon that flattens, thereby when the electric field disappears and makes the excessive pressure strain bar recovered, left side connecting plug, the unable interpolation of right connecting plug once more connect, one can further prevent that electrical equipment is impaired, two can win sufficient maintenance duration for the maintenance personal.
Furthermore, the two sides of the left connecting plug are both provided with favorable air distributing ball groups, each favorable air distributing ball group comprises two air storage balls, the two air storage balls are respectively fixedly connected with the left connecting plug and the right connecting plug, an air release pipe penetrates through the outer wall of one side of each air storage ball, an air release hole is formed in the air release pipe, a hole plug matched with the air release hole is arranged in the air release hole, the air storage balls are filled with air, the hole diameter of the air release hole is gradually increased from inside to outside, a connecting rod is fixedly connected between the two hole plugs, and through the arrangement of the favorable air distributing ball groups, when the left connecting plug and the right connecting plug are separated, the hole plugs can be gradually separated from the corresponding air release holes under the pulling of the left connecting plug, the right connecting plug and the connecting rod, so that the air in the air storage balls is ejected through the air release holes, and the ejection of the air can additionally provide a driving force, the separation between the left connecting plug and the right connecting plug is accelerated, and then the protection effect can be further improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme passes through the setting of excessive pressure strain stick, make when the voltage increase by a wide margin suddenly, the power cord flows through, the electric current of power supply line also can be corresponding great change takes place, can arouse a comparatively powerful electric field, the excessive pressure strain stick that makes electrostrictive material make is because of taking place the electrostrictive phenomenon and extends, the extension accessible of excessive pressure strain stick drives the branch pole and makes left connecting plug, the separation of right connecting plug, thereby the automatic disconnection power cord, be connected between the power supply line, and then prevent effectively that electrical equipment from increasing suddenly and damaging because of voltage.
(2) The outside cover of excessive pressure strain stick is equipped with prevents the excursion sleeve pipe, prevent that the excursion sleeve pipe sets up to be tubulose with excessive pressure strain stick assorted semicircle, and prevent excursion sleeve pipe fixed connection on insulating barrel's bottom inner wall, prevent that the excursion sleeve pipe can provide a supporting role for excessive pressure strain stick, and can prevent that excessive pressure strain stick from shifting, set up two on insulating barrel's the bottom inner wall and drive branch pole assorted direction spout, two drive branch poles respectively with two direction spout sliding connection, the direction spout can play a guide effect, can prevent to drive branch pole and take place the incline at the removal in-process.
(3) The top of excessive pressure strain stick is provided with the elastic connection rope, and the both ends of elastic connection rope are driven branch pole fixed connection with two respectively, and when the change of small-amplitude takes place for the electric current in normal range, the electric field intensity of excitation is lower, and the elastic connection rope can be strengthened the connection between left connecting plug, the right connecting plug for the change of small-amplitude of electric current can not lead to left connecting plug, the separation of right connecting plug, has improved stability.
(4) Through the arrangement of the drive pull rod, the linkage rod, the inelastic rope and the connecting ring, when the overvoltage strain rod drives the left connecting plug and the right connecting plug to be separated, the left connecting plug and the right connecting plug can drive the two drive rods to be separated
The pull rod moves reversely, so that the elastic outer spherical shell is stretched to be flattened, the material storage balloon is punctured by the broken ball, the outer wall of the material storage balloon is fixedly connected with the favorable suspension inflatable ball, the favorable suspension inflatable ball can provide buoyancy, and the material storage balloon is suspended in the liquid hardening agent A.
(5) Liquid mix hard agent A and be super glue, liquid mix hard agent B and be borax solution, super glue meets borax solution and can solidify in the twinkling of an eye, the sclerosis for the storage balloon is punctured the back, liquid mix hard agent A and liquid mix hard agent B contact and can solidify the sclerosis in the twinkling of an eye, make the unable reconversion of storage balloon that flattens, thereby when electric field disappears and makes the excessive pressure strain stick recover, left connecting plug, right connecting plug can't the interpolation connect once more, one can be further prevent that electrical equipment is impaired, two can win sufficient maintenance duration for the maintenance personal.
(6) Through the setting of the branch ball group of profit, make when left connecting plug, right connecting plug separation, under the pulling of left connecting plug, right connecting plug and connecting rod, the stopple can be gradually with the separation of the hole of disappointing that corresponds, make the hole of disappointing switch on, thereby make the air that stores up in the balloon spray out through the hole of disappointing, the injection of air can additionally provide a drive power, separation between acceleration left connecting plug, the right connecting plug, and then can further improve the protection effect.
Drawings
Fig. 1 is a schematic perspective view of a self-disconnection type emergency protection apparatus for electrical equipment according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the self-interrupting protection cartridge of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at B;
FIG. 5 is a schematic cross-sectional view of the instant hard anti-close ball of the present invention;
FIG. 6 is a schematic side view of the structure of the overpressure strain rod of the present invention;
FIG. 7 is a schematic diagram showing the variation of the overpressure strain rod during elongation;
FIG. 8 is a schematic diagram showing the variation of the instant-hardening anti-closing ball of the present invention when it becomes flat;
FIG. 9 is a schematic top view of the left connector plug of the present invention;
fig. 10 is a schematic top sectional view of the balloon according to the present invention.
The reference numbers in the figures illustrate:
101. an apparatus body; 102. a power line; 103. a power supply line; 002. a self-breaking protection cylinder; 201. an insulating cylinder; 202. a left connecting plug; 203. a right connection plug; 204. a driving rod; 205. a pull rod is driven; 206. a linkage rod; 207. a non-elastic cord; 003. the instant hard closing prevention ball; 301. a resilient outer spherical shell; 302. A material storage balloon; 303. liquid hardening agent A; 304. liquid hardening agent B; 305. breaking the ball thorn; 306. the inflatable ball is convenient to hang; 307. a connecting ring; 004. an overpressure strain rod; 401. an anti-migration sleeve; 402. an elastic connecting rope; 403. a guide chute; 501. storing the balloon; 502. an air escape pipe; 503. an air release hole; 504. a hole plug; 505. a connecting rod.
Detailed Description
The technical solution 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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, the self-disconnection emergency protection device for electrical equipment of this embodiment includes an equipment body 101, a power line 102, and a power line 103, where the power line 102 is electrically connected to the equipment body 101, a self-disconnection protection cylinder 002 is connected between the power line 102 and the power line 103, the self-disconnection protection cylinder 002 includes an insulation cylinder 201, a left connection plug 202 and a right connection plug 203 movably inserted into the insulation cylinder 201 are disposed in the insulation cylinder 201, the power line 102 and the power line 103 are respectively electrically connected to the left connection plug 202 and the right connection plug 203, a driving rod 204 is fixedly connected to bottom ends of the left connection plug 202 and the right connection plug 203, an overvoltage strain rod 004 is disposed between the two driving rods 204, the overvoltage strain rod 004 is made of an electrostrictive material, two ends of the overvoltage strain rod 004 respectively abut against the two driving rods 204, under normal conditions, the currents passing through the power line 102 and the power supply line 103 are relatively stable, a stable magnetic field is generated outside the power line 102 and the power supply line 103, the stable magnetic field does not excite an electric field in space, but when the voltage is suddenly and greatly increased, the currents flowing through the power line 102 and the power supply line 103 are correspondingly greatly changed, a relatively strong electric field is excited, so that the overvoltage strain rod 004 made of electrostrictive material is stretched due to electrostriction, as shown in fig. 7, the stretching of the overvoltage strain rod 004 can separate the left connecting plug 202 and the right connecting plug 203 through the driving rod 204, thereby automatically disconnecting the connection between the power line 102 and the power supply line 103, further effectively preventing the electric equipment from being damaged due to the sudden increase of the voltage, the bottom end of the insulating cylinder 201 is provided with a plate-shaped base, the rolling of the insulating cylinder 201 can be effectively prevented.
Referring to fig. 2, 4 and 6, an anti-deviation sleeve 401 is sleeved outside the overvoltage strain rod 004, the anti-deviation sleeve 401 is configured to be a semi-circular tube shape matched with the overvoltage strain rod 004, the anti-deviation sleeve 401 is fixedly connected to the inner wall of the bottom end of the insulating cylinder 201, the anti-deviation sleeve 401 can provide a supporting function for the overvoltage strain rod 004 and can prevent the overvoltage strain rod 004 from shifting, two guide chutes 403 matched with the driving rod 204 are formed in the inner wall of the bottom end of the insulating cylinder 201, the two driving rods 204 are respectively connected with the two guide chutes 403 in a sliding manner, the guide chutes 403 can play a guiding function and can prevent the driving rod 204 from deviating during the moving process, an elastic connecting rope 402 is arranged above the overvoltage strain rod 004, two ends of the elastic connecting rope 402 are respectively fixedly connected with the two driving rods 204, when the current changes in a small range in a normal range, the excited electric field intensity is low, and the elastic connecting rope 402 can strengthen the connection between the left connecting plug 202 and the right connecting plug 203, so that the left connecting plug 202 and the right connecting plug 203 cannot be separated due to the change of the current in a small range, and the stability is improved.
Referring to fig. 2-3 and 5, the top ends of the left connecting plug 202 and the right connecting plug 203 are fixedly connected with driving rods 205, one side of each driving rod 205, which is close to the driving rod, is fixedly connected with a linkage rod 206, an instant hard closing-preventing ball 003 is arranged between the two linkage rods 206, the instant hard closing-preventing ball 003 comprises an elastic outer ball shell 301, a liquid hardening agent a303 is filled in the elastic outer ball shell 301, a storage balloon 302 is suspended in the liquid hardening agent a303, a liquid hardening agent B304 is filled in the storage balloon 302, a plurality of ball breaking thorns 305 are fixedly connected on the inner walls of the upper and lower sides of the elastic outer ball shell 301, connecting rings 307 are fixedly connected on the outer walls of the two sides of the elastic outer ball shell 301, the linkage rods 206 are connected with the connecting rings 307 through inelastic ropes 207, one end of the inelastic rope 207 is fixedly connected with the linkage rods 206, the other end of the linkage rod 206 is tied to the outer wall of the connecting ring 307, one end, far away from the driving pull rod 205, of the linkage rod 206 abuts against the connecting ring 307, and through the arrangement of the driving pull rod 205, the linkage rod 206, the non-elastic rope 207 and the connecting ring 307, when the overpressure strain rod 004 drives the left connecting plug 202 and the right connecting plug 203 to separate, the left connecting plug 202 and the right connecting plug 203 drive the two driving pull rods 205 to move reversely, so that the elastic outer spherical shell 301 is stretched, as shown in fig. 8, the elastic outer spherical shell 301 is flattened, the puncture balloon 305 punctures the storage balloon 302, the outer wall of the storage balloon 302 is fixedly connected with the favorable suspension inflation ball 306, and the favorable suspension inflation ball 306 can provide buoyancy, so that the storage balloon 302 is suspended in the liquid hardening agent a 303.
Referring to fig. 5 and 8, the liquid hardening agent a303 is strong glue, the liquid hardening agent B304 is borax solution, and the strong glue is instantly solidified and hardened when encountering the borax solution, so that the storage balloon 302 is punctured, the liquid hardening agent a303 and the liquid hardening agent B304 are instantly solidified and hardened when contacting, and the flattened storage balloon 302 cannot restore, and therefore, when the electric field disappears and the overvoltage strain rod 004 is restored, the left connecting plug 202 and the right connecting plug 203 cannot be inserted and connected again, thereby further preventing the electrical equipment from being damaged, and further gaining sufficient maintenance time for maintenance personnel.
Referring to fig. 9-10, the two sides of the left connecting plug 202 are both provided with favorable air-separating ball groups, each favorable air-separating ball group includes two air-storing balls 501, the two air-storing balls 501 are respectively and fixedly connected with the left connecting plug 202 and the right connecting plug 203, the outer wall of one side of each air-storing ball 501 is provided with an air-releasing tube 502 in a penetrating manner, the air-releasing tube 502 is provided with an air-releasing hole 503 in the air-releasing hole 503, the air-storing ball 501 is filled with air, the aperture of the air-releasing hole 503 is gradually increased from inside to outside, a connecting rod 505 is fixedly connected between the two hole plugs 504, and by the arrangement of the favorable air-separating ball groups, when the left connecting plug 202 and the right connecting plug 203 are separated, the hole plugs 504 are gradually separated from the corresponding air-releasing holes 503 by pulling the left connecting plug 202, the right connecting plug 203 and the connecting rod 505, the air release hole 503 is conducted, so that the air in the air storage balloon 501 is ejected through the air release hole 503, and the ejection of the air can additionally provide a driving force to accelerate the separation between the left connecting plug 202 and the right connecting plug 203, thereby further improving the protection effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (10)

1. An emergency protection device of the self-disconnection type for an electrical apparatus, comprising an apparatus body (101), a power supply line (102), and a power supply line (103), wherein the power supply line (102) is electrically connected to the apparatus body (101), characterized in that: a self-breaking protection cylinder (002) is connected between the power line (102) and the power supply line (103), the self-breaking protection cylinder (002) comprises an insulation cylinder body (201), a left connecting plug (202) and a right connecting plug (203) which are movably connected in the insulation cylinder body (201) are arranged in the insulation cylinder body, the power line (102) and the power supply line (103) are respectively electrically connected with the left connecting plug (202) and the right connecting plug (203), the bottom ends of the left connecting plug (202) and the right connecting plug (203) are both fixedly connected with a driving branch rod (204), an overvoltage strain rod (004) is arranged between the two driving branch rods (204), the overvoltage strain rod (004) is made of electrostrictive materials, the top ends of the left connecting plug (202) and the right connecting plug (203) are both fixedly connected with a driving pull rod (205), and the two sides of the driving pull rod (205) which are both close to each other are both fixedly connected with a linkage rod (206), two be provided with between gangbar (206) the hard ball (003) of closing of transient, the hard ball (003) of closing of transient includes outer spherical shell of elasticity (301), the outer spherical shell of elasticity (301) intussuseption is filled with liquid thoughtlessly hard agent A (303), suspension has storage balloon (302) in liquid thoughtlessly hard agent A (303), storage balloon (302) intussuseption is filled with liquid thoughtlessly hard agent B (304), on the inner wall of both sides about the outer spherical shell of elasticity (301) equal fixedly connected with a plurality of broken ball thorn (305), the both sides of left side connecting plug (202) all set up favourable branch ball group.
2. The self-disconnection type emergency protection device for electrical equipment according to claim 1, wherein: two ends of the overpressure strain rod (004) are respectively propped against the two driving and separating rods (204).
3. The self-disconnection type emergency protection device for electrical equipment according to claim 2, wherein: the outside cover of excessive pressure strain rod (004) is equipped with prevents excursion sleeve pipe (401), prevent excursion sleeve pipe (401) set up to be with excessive pressure strain rod (004) assorted semicircle tubulose, and prevent excursion sleeve pipe (401) fixed connection on the bottom inner wall of insulating barrel (201).
4. A self-disconnection type emergency protection apparatus for electric equipment according to claim 3, wherein: two guide sliding grooves (403) matched with the driving and separating rods (204) are formed in the inner wall of the bottom end of the insulating cylinder body (201), and the driving and separating rods (204) are respectively in sliding connection with the two guide sliding grooves (403).
5. A self-disconnection type emergency protection apparatus for electric equipment according to claim 3, wherein: an elastic connecting rope (402) is arranged above the overvoltage strain rod (004), and two ends of the elastic connecting rope (402) are fixedly connected with the two driving and separating rods (204) respectively.
6. The self-disconnection type emergency protection device for electrical equipment according to claim 1, wherein: the outer walls of two sides of the elastic outer spherical shell (301) are fixedly connected with connecting rings (307), and the linkage rod (206) is connected with the connecting rings (307) through non-elastic ropes (207).
7. The self-disconnection type emergency protection device for electrical equipment according to claim 6, wherein: one end of the inelastic rope (207) is fixedly connected with the linkage rod (206), the other end of the inelastic rope is tied to the outer wall of the connecting ring (307), and one end, far away from the driving pull rod (205), of the linkage rod (206) abuts against the connecting ring (307).
8. The self-disconnection type emergency protection device for electrical equipment according to claim 1, wherein: the beneficial suspension balloon (306) of fixed connection on the outer wall of storage balloon (302), liquid thoughtlessly hard agent A (303) is super glue, liquid thoughtlessly hard agent B (304) is borax solution.
9. The self-disconnection type emergency protection device for electrical equipment according to claim 1, wherein: the utility model discloses a set of balloon is separated to profit includes two storage balloon (501), two store up balloon (501) respectively with left connecting plug (202), right connecting plug (203) fixed connection, it is provided with disappointing pipe (502) to run through on the outer wall of storage balloon (501) one side, it loses heart hole (503) to have seted up in the pipe (502) of disappointing, be provided with assorted hole stopper (504) with it in the hole (503) of disappointing.
10. The self-disconnection type emergency protection device for electrical equipment according to claim 9, wherein: store up balloon (501) intussuseption and be filled with the air, the aperture of disappointing hole (503) is outwards crescent from inside, two fixedly connected with connecting rod (505) between hole stopper (504).
CN202110765986.1A 2021-07-07 2021-07-07 Self-disconnection type emergency protection device for electrical equipment Active CN113258361B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110765986.1A CN113258361B (en) 2021-07-07 2021-07-07 Self-disconnection type emergency protection device for electrical equipment

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Application Number Priority Date Filing Date Title
CN202110765986.1A CN113258361B (en) 2021-07-07 2021-07-07 Self-disconnection type emergency protection device for electrical equipment

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CN113258361A CN113258361A (en) 2021-08-13
CN113258361B true CN113258361B (en) 2021-09-14

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CN208240923U (en) * 2018-05-03 2018-12-14 青岛海信日立空调系统有限公司 A kind of energization switching device
CN110752128B (en) * 2018-11-20 2021-09-10 国网上海市电力公司 Reusable fuse and using method thereof
CN111430989B (en) * 2020-04-09 2021-08-17 湖北职升科技文化有限公司 Safety overload-proof socket
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