CN117691541B - Explosion-proof overvoltage protector - Google Patents
Explosion-proof overvoltage protector Download PDFInfo
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- CN117691541B CN117691541B CN202410154002.XA CN202410154002A CN117691541B CN 117691541 B CN117691541 B CN 117691541B CN 202410154002 A CN202410154002 A CN 202410154002A CN 117691541 B CN117691541 B CN 117691541B
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- 230000001012 protector Effects 0.000 title claims abstract description 42
- 239000000919 ceramic Substances 0.000 claims abstract description 64
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 239000004964 aerogel Substances 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 7
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 abstract 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 2
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Secondary Cells (AREA)
Abstract
One or more embodiments of the present disclosure provide an explosion-proof overvoltage protector, including a main body, and a bottom cover and a top cover fixedly installed on the upper and lower sides, respectively, wherein a vacuum cavity is formed between the bottom cover and the top cover, and a temperature sensor is disposed on the lower surface of the bottom cover; three groups of nitrogen cavities are arranged on the front surface of the main body, and a control valve is arranged at the communication position between the nitrogen cavities and the inner cavity of the main body; the upper surface of the top cover is provided with a protection component and a wiring component; through the setting of aerogel, the cooperation realizes resistance to compression and fire-retardant purpose to realize going fire-retardant isolated explosion's effect, reduced its possibility of taking place the electric arc because the effect of nitrogen gas when rising in inside temperature lasts, realized the explosion-proof flame retardant effect when its use, through the effect of nitrogen gas cooperation aerogel when inside slot ceramic structure is broken simultaneously, make inside still be in isolated oxygen and effectively avoid electric arc contact to external effect when electric arc diffusion.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of overvoltage protectors, and in particular, to an explosion-proof overvoltage protector.
Background
Overvoltage protectors are known in the prior art in numerous embodiments and are used to protect electrical devices or lines from overvoltages. The overvoltage may be caused, for example, by a lightning strike or a defect in the technical installation. The overvoltage protection is arranged upstream of the electrical device to be protected or the line to be protected.
Special application number in the prior art Chinese invention patent: 2020103313658, the name overvoltage protection is described as "because the position of the connected electrical conductors through the connection point is fixed and fixed, the distance is determined by the height of the monitoring module relative to the electrical conductors. Particularly preferably, the monitoring module is snapped onto the housing of the overvoltage protection module in different snap-on levels, wherein each snap-on level corresponds to a defined height. In this embodiment, it is advantageous if the height of the latch stage can be adapted to the standardized wire cross section, so that the distance between the wire intermediate point and the monitoring module can be set in a simple manner in a reproducible manner. However, the overvoltage protector in the prior art cannot realize effective flame retardance and explosion prevention when in use, and personnel electric shock risks easily occur when accidents occur, so that the requirements of the prior art cannot be met.
Disclosure of Invention
In view of this, it is an object of one or more embodiments of the present disclosure to provide an explosion-proof overvoltage protector, so as to solve the problem that effective flame retardance and explosion prevention cannot be achieved and personnel electric shock cannot be achieved.
In view of the above, one or more embodiments of the present specification provide an explosion-proof overvoltage protector including a main body, and a bottom cover and a top cover fixedly installed at upper and lower sides, respectively;
the bottom cover, the top cover and the main body form a vacuum cavity, a grounding end interface is arranged in the middle of the back of the main body, and a temperature sensor is arranged on the lower surface of the bottom cover;
Three groups of nitrogen cavities are arranged on the front surface of the main body, and a control valve is arranged at the communication position between the nitrogen cavities and the inner cavity of the main body;
the upper surface of the top cover is provided with a protection component and a wiring component;
The vacuum cavity is internally provided with a power component for controlling disconnection of the wiring, and the protection component is used for protecting the connecting wire.
The main body, the bottom cover and the top cover are both of ceramic structures, steel materials are selected to form the outer side of the main body, and aerogel is filled between the main body and the inner walls of the bottom cover and the top cover.
A storage groove is formed in one side of the main body, a metal column for connecting an internal circuit is arranged on the inner wall of the storage groove, and a wiring port for wiring is formed in the storage groove outside the metal column;
the wiring assembly is correspondingly provided with two sets of wiring facilities in the main body and is used for forming a loop with the metal column through the wiring guide piece;
The wiring port is also connected with a storage battery, two ends of the storage battery are respectively connected with resistors in series, the two resistors are added with the resistance value of the storage battery and are matched with load current when the circuit is electrified, and the resistors, the storage battery and the wiring assembly are in a parallel connection state.
Preferably, the protection assembly includes: the protective cover and the protector are fixedly connected, copper columns are arranged in the protective cover and the protector, and copper rings are arranged outside the copper columns;
preferably, the top end of the protector is fixedly provided with a connecting wire, and the plastic skin of the connecting wire and the plastic skin of the protector are integrally formed.
Preferably, the top end of the connecting wire is fixedly provided with a wiring terminal.
Preferably, the copper post is outside to be close to bottom department and sets up the lantern ring of connecting, the peripheral bottom department of lantern ring of connecting sets up first ceramic frame, the blind hole is all offered with copper circle one side to the lantern ring of connecting.
Preferably, the power assembly includes: the motor, end cover bottom one side sets up the motor support, and motor support top department sets up the motor, the motor all adopts ceramic material to constitute with external contact surface.
Preferably, the power assembly further comprises: the ceramic threaded rod and the ceramic threaded cover are fixedly arranged at the power output end of the motor, and the ceramic threaded cover is arranged on the periphery of the ceramic threaded rod in a threaded manner.
Preferably, the power assembly further comprises: the ceramic thread cover is characterized by comprising a second ceramic frame and a connecting rod, wherein the second ceramic frame is arranged at the periphery of the ceramic thread cover, corresponding to the first ceramic frame, and the second ceramic frame is movably connected with the first ceramic frame through the connecting rod.
Preferably, a through groove which is convenient for the connecting rod to pass through is arranged at the bottom end of the first ceramic frame corresponding to the connecting rod, so that the freedom degree of the connecting rod is increased.
A pressure sensor is arranged in the nitrogen cavity, and a rear cover is fixedly arranged at one end of the nitrogen cavity.
From the foregoing, it can be seen that, according to one or more embodiments of the present disclosure, an explosion-proof overvoltage protector is provided, the inside of the explosion-proof overvoltage protector maintains a vacuum environment during use, when the internal temperature is detected to be too high, the control valve in the nitrogen cavity is remotely controlled to be opened, so that nitrogen is filled into the explosion-proof environment, and the copper column is disconnected from the connecting collar through the starting of the motor, then the motor and the control valve are powered off, and then the motor and the control valve are cooled, when the internal temperature cannot be controlled, the ceramic of the motor realizes the isolation current, and the aerogel is arranged, the compression resistance and the flame retardance are realized in a matching manner, so that the flame-proof isolation explosion-proof effect is realized, when the internal temperature is continuously increased, the possibility of arcing is reduced due to the effect of nitrogen, the explosion-proof flame-retardant effect is realized, and meanwhile, when the internal ceramic structure of the internal tank is broken, the nitrogen is matched with the aerogel, the inside is still in the isolation oxygen and the effect of the arc is effectively avoided from being contacted with the outside during the arc diffusion, in addition, when the overload condition occurs, the overload condition is effectively prevented from occurring, the overload condition is prevented from occurring through the energy storage of the storage battery and the resistor, and the explosion condition is effectively prevented from occurring through the energy storage device.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the following description will make a brief introduction to the drawings used in the embodiments or description of the prior art, it being apparent that the drawings in the following description are only one or more embodiments of the present description, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic view of the overall vertical cross-sectional structure of the present specification;
FIG. 2 is a schematic overall cross-sectional view of the present description;
FIG. 3 is a schematic view of the first perspective view of the whole structure of the present specification;
FIG. 4 is a schematic view of a second perspective view of the whole structure of the present disclosure;
Fig. 5 is a schematic diagram of a part of the circuit structure in the present specification.
In the figure: 1. a main body; 11. a bottom cover; 12. a top cover; 13. a protective cover; 14. a guard; 15. a connecting wire; 16. a terminal; 2. copper columns; 21. a connecting collar; 22. a first ceramic frame; 23. a connecting rod; 24. a second ceramic frame; 25. a ceramic thread cover; 26. a ceramic threaded rod; 27. a motor; 3. a nitrogen chamber; 31. a rear cover; 32. a control valve; 4. a storage groove; 41. a wiring port; 42. a metal column; 43. a blind hole; 44. a copper ring; 45. and a storage battery.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
As shown in fig. 1 to 4, there is provided an explosion-proof type overvoltage protector including a main body 1, and a bottom cover 11 and a top cover 12 fixedly installed at upper and lower sides thereof respectively,
A vacuum cavity is formed between the bottom cover 11 and the top cover 12 and between the main body 1, a grounding port is arranged at the middle part of the back surface of the main body 1, and a temperature sensor is arranged on the lower surface of the bottom cover 11;
Three groups of nitrogen cavities 3 are arranged on the front surface of the main body 1, and a control valve 32 is arranged at the communication position between the nitrogen cavities 3 and the inner cavity of the main body 1;
The upper surface of the top cover 12 is provided with a protection component and a wiring component;
The vacuum cavity is internally provided with a power component for controlling disconnection of the wiring, and the protection component is used for protecting the connecting wire.
The inner walls of the main body 1, the bottom cover 11 and the top cover 12 which are matched with the main body are of ceramic structures, the outer sides of the main body are made of steel materials, and aerogel is filled between the main body and the bottom cover and the top cover.
A receiving groove 4 is formed in one side of the main body 1, a metal column 42 for connecting an internal circuit is arranged on the inner wall of the receiving groove 4, and a wiring port 41 for wiring is formed in the receiving groove 4 outside the metal column 42;
the wiring assembly is correspondingly provided with two sets of wiring facilities in the main body 1, and is used for forming a loop with the metal column 42 through a wiring guide piece;
The wiring port 41 is further connected with a storage battery pack 45, two ends of the storage battery pack 45 are respectively connected with resistors in series, the two resistors are added with the resistance value of the storage battery pack 45 and are matched with load current when the circuit is electrified, and the resistors, the storage battery pack 45 and the wiring assembly are in a parallel connection state.
The integrated circuit stores 10% of electricity in the storage battery 45, and the storage battery provides electric energy for electric equipment in the storage battery.
When overload occurs, the current is dispersed through the energy storage of the storage battery and the arrangement of the resistor, so that the explosion caused by current overload is avoided.
The guard assembly includes: the protective cover 13 and the protector 14 are fixedly connected, copper columns 2 are arranged in the protective cover 13 and the protector 14, and copper rings 44 are arranged outside the copper columns 2;
the top end of the protector 14 is fixedly provided with a connecting wire 15, and the plastic skin of the connecting wire 15 and the plastic skin of the protector 14 are integrally formed.
The top end of the connecting wire 15 is fixedly provided with a wiring terminal 16.
A pressure sensor is arranged in the nitrogen cavity 3, and a rear cover 31 is fixedly arranged at one end of the nitrogen cavity 3.
Examples
As shown in fig. 1 to 4, there is provided an explosion-proof type overvoltage protector including a main body 1, and a bottom cover 11 and a top cover 12 fixedly installed at upper and lower sides thereof respectively,
A vacuum cavity is formed between the bottom cover 11 and the top cover 12 and between the main body 1, a grounding port is arranged at the middle part of the back surface of the main body 1, and a temperature sensor is arranged on the lower surface of the bottom cover 11;
Three groups of nitrogen cavities 3 are arranged on the front surface of the main body 1, and a control valve 32 is arranged at the communication position between the nitrogen cavities 3 and the inner cavity of the main body 1;
The upper surface of the top cover 12 is provided with a protection component and a wiring component;
The vacuum cavity is internally provided with a power component for controlling disconnection of the wiring, and the protection component is used for protecting the connecting wire.
The inner walls of the main body 1, the bottom cover 11 and the top cover 12 which are matched with the main body are of ceramic structures, the outer sides of the main body are made of steel materials, and aerogel is filled between the main body and the bottom cover and the top cover.
A receiving groove 4 is formed in one side of the main body 1, a metal column 42 for connecting an internal circuit is arranged on the inner wall of the receiving groove 4, and a wiring port 41 for wiring is formed in the receiving groove 4 outside the metal column 42;
the wiring assembly is correspondingly provided with two sets of wiring facilities in the main body 1, and is used for forming a loop with the metal column 42 through a wiring guide piece;
The wiring port 41 is further connected with a storage battery pack 45, two ends of the storage battery pack 45 are respectively connected with resistors in series, the two resistors are added with the resistance value of the storage battery pack 45 and are matched with load current when the circuit is electrified, and the resistors, the storage battery pack 45 and the wiring assembly are in a parallel connection state.
The integrated circuit stores 10% of electricity in the storage battery 45, and the storage battery provides electric energy for electric equipment in the storage battery.
When overload occurs, the current is dispersed through the energy storage of the storage battery and the arrangement of the resistor, so that the explosion caused by current overload is avoided.
The guard assembly includes: the protective cover 13 and the protector 14 are fixedly connected, and copper columns 2 are arranged in the protective cover 13 and the protector 14;
the top end of the protector 14 is fixedly provided with a connecting wire 15, and the plastic skin of the connecting wire 15 and the plastic skin of the protector 14 are integrally formed.
The top end of the connecting wire 15 is fixedly provided with a wiring terminal 16.
A pressure sensor is arranged in the nitrogen cavity 3, and a rear cover 31 is fixedly arranged at one end of the nitrogen cavity 3.
The copper post 2 is outer to be close to bottom department and is set up the connecting lantern ring 21, the peripheral bottom department of connecting lantern ring 21 sets up first ceramic frame 22, blind hole 43 is all seted up to connecting lantern ring 21 and copper circle 44 one side.
The power assembly includes: the motor 27, bottom cover 11 bottom one side sets up the motor support, and motor support top department sets up motor 27, motor 27 and external contact surface all adopt ceramic material to constitute.
The power assembly further includes: the ceramic threaded rod 26 and the ceramic threaded cover 25, the ceramic threaded rod 26 is fixedly arranged at the power output end of the motor 27, and the ceramic threaded cover 25 is arranged on the periphery of the ceramic threaded rod 26 in a threaded manner.
The power assembly further includes: the second ceramic frame 24 and the connecting rod 23, the second ceramic frame 24 is arranged at the position corresponding to the first ceramic frame 22 on the periphery of the ceramic thread cover 25, and the second ceramic frame is movably connected with the first ceramic frame 22 through the connecting rod 23.
Examples
As shown in fig. 1 to 4, there is provided an explosion-proof type overvoltage protector including a main body 1, and a bottom cover 11 and a top cover 12 fixedly installed at upper and lower sides thereof respectively,
A vacuum cavity is formed between the bottom cover 11 and the top cover 12 and between the main body 1, a grounding port is arranged at the middle part of the back surface of the main body 1, and a temperature sensor is arranged on the lower surface of the bottom cover 11;
Three groups of nitrogen cavities 3 are arranged on the front surface of the main body 1, and a control valve 32 is arranged at the communication position between the nitrogen cavities 3 and the inner cavity of the main body 1;
The upper surface of the top cover 12 is provided with a protection component and a wiring component;
The vacuum cavity is internally provided with a power component for controlling disconnection of the wiring, and the protection component is used for protecting the connecting wire.
The guard assembly includes: the protective cover 13 and the protector 14 are fixedly connected, and copper columns 2 are arranged in the protective cover 13 and the protector 14;
the top end of the protector 14 is fixedly provided with a connecting wire 15, and the plastic skin of the connecting wire 15 and the plastic skin of the protector 14 are integrally formed.
The top end of the connecting wire 15 is fixedly provided with a wiring terminal 16.
A pressure sensor is arranged in the nitrogen cavity 3, and a rear cover 31 is fixedly arranged at one end of the nitrogen cavity 3.
The copper post 2 is provided with a connecting lantern ring 21 near the bottom end, and a first ceramic frame 22 is arranged at the bottom end of the periphery of the connecting lantern ring 21.
The power assembly includes: the motor 27, bottom cover 11 bottom one side sets up the motor support, and motor support top department sets up motor 27, motor 27 and external contact surface all adopt ceramic material to constitute.
The power assembly further includes: the ceramic threaded rod 26 and the ceramic threaded cover 25, the ceramic threaded rod 26 is fixedly arranged at the power output end of the motor 27, and the ceramic threaded cover 25 is arranged on the periphery of the ceramic threaded rod 26 in a threaded manner.
The power assembly further includes: the second ceramic frame 24 and the connecting rod 23, the second ceramic frame 24 is arranged at the position corresponding to the first ceramic frame 22 on the periphery of the ceramic thread cover 25, and the second ceramic frame is movably connected with the first ceramic frame 22 through the connecting rod 23.
A through groove which is convenient for the connecting rod 23 to pass through is arranged at the bottom end of the first ceramic frame 22 corresponding to the connecting rod 23, so that the freedom degree of the connecting rod 23 is increased.
The inner walls of the main body 1, the bottom cover 11 and the top cover 12 which are matched with the main body are of ceramic structures, the outer sides of the main body are made of steel materials, and aerogel is filled between the main body and the bottom cover and the top cover.
Working principle: when the device is used, the vacuum environment is kept in the device, when the internal temperature is detected to be too high, the control valve 32 in the nitrogen cavity 3 is remotely controlled to be opened, so that nitrogen is filled to be isolated for combustion, the copper column 2 is started to be disconnected from the connecting lantern ring 21 through the motor 27, then the motor 27 is powered off from the control valve 24 and is cooled, when the internal temperature cannot be controlled, the ceramic realizes isolated current, the aims of compression resistance and flame retardance are achieved through arrangement of aerogel, a loop integrally formed during use is matched, 10% of electric quantity is stored in the storage battery 45, the storage battery 45 supplies electric energy for electric equipment in the storage battery, and in addition, the storage battery 45 needs to be replaced periodically during use, so that the energy storage effect of the storage battery 45 is maintained; when overload occurs in the initial stage, the current is dispersed through the energy storage of the storage battery and the arrangement of the resistor, so that the explosion caused by overload of the current is avoided.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims.
Where specific details are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.
Claims (9)
1. The utility model provides an explosion-proof type overvoltage protection device, includes main part (1), and upper and lower both sides are fixed mounting's end cover (11) and top cap (12) respectively, its characterized in that:
A vacuum cavity is formed between the bottom cover (11) and the top cover (12) and between the main body (1), a grounding end interface is arranged in the middle of the back of the main body (1), and a temperature sensor is arranged on the lower surface of the bottom cover (11);
Three groups of nitrogen cavities (3) are arranged on the front surface of the main body (1), and a control valve (32) is arranged at the communication position of the nitrogen cavities (3) and the inner cavity of the main body (1);
the upper surface of the top cover (12) is provided with a protection component and a wiring component;
The vacuum cavity is internally provided with a power component for controlling disconnection of the wiring, and the protection component is used for protecting the connecting wire;
The inner walls of the main body (1), the bottom cover (11) and the top cover (12) which are matched with the main body are of ceramic structures, the outer sides of the main body are made of steel materials, and aerogel is filled between the main body and the bottom cover;
A containing groove (4) is formed in one side of the main body (1), a metal column (42) for connecting an internal circuit is arranged on the inner wall of the containing groove (4), and a wiring port (41) for wiring is formed in the containing groove (4) outside the metal column (42);
two sets of wiring facilities are correspondingly arranged in the main body (1) and are used for forming a loop with the metal column (42) through the wiring guide piece;
The wiring port (41) is also connected with the storage battery pack (45), two ends of the storage battery pack (45) are respectively connected with resistors in series, the two resistors are added with the resistance value of the storage battery pack (45) and are matched with load current when the circuit is electrified, and the resistors, the storage battery pack (45) and the wiring assembly are in a parallel connection state.
2. The explosion-proof overvoltage protector according to claim 1, wherein the protective assembly comprises:
The protective cover (13) and the protector (14) are fixedly connected, copper columns (2) are arranged in the protective cover (13) and the protector (14), and copper rings (44) are arranged outside the copper columns (2);
The top end of the protector (14) is fixedly provided with a connecting wire (15), and the plastic skin of the connecting wire (15) and the plastic skin of the protector (14) are integrally formed.
3. An explosion-proof overvoltage protector according to claim 2, characterized in that the top end of the connecting wire (15) is fixedly provided with a terminal (16).
4. The explosion-proof overvoltage protector according to claim 2, wherein a connecting collar (21) is arranged at the position, close to the bottom, outside the copper column (2), a first ceramic frame (22) is arranged at the bottom of the periphery of the connecting collar (21), and blind holes (43) are formed in one side of the connecting collar (21) and one side of the copper ring (44).
5. The explosion-proof overvoltage protector according to claim 4, wherein said power module comprises:
The motor (27), bottom cover (11) bottom one side sets up the motor support, and motor support top department sets up motor (27), motor (27) all adopt ceramic material to constitute with external contact surface.
6. The explosion-proof overvoltage protector according to claim 5, wherein said power assembly further comprises:
the ceramic threaded rod (26) and the ceramic threaded cover (25), wherein the ceramic threaded rod (26) is fixedly arranged at the power output end of the motor (27), and the ceramic threaded cover (25) is arranged on the periphery of the ceramic threaded rod (26) in a threaded manner.
7. The explosion-proof overvoltage protector according to claim 6, wherein said power assembly further comprises:
The second ceramic frame (24) and connecting rod (23), ceramic screw cap (25) periphery corresponds first ceramic frame (22) department and sets up second ceramic frame (24), and second ceramic frame passes through connecting rod (23) and first ceramic frame (22) swing joint.
8. An explosion-proof overvoltage protector according to claim 4, wherein a through groove for the passage of the connecting rod (23) is provided at the bottom end of the first ceramic frame (22) corresponding to the connecting rod (23), so that the degree of freedom of the connecting rod (23) is increased.
9. An explosion-proof overvoltage protector according to claim 1, wherein a pressure sensor is arranged in the nitrogen chamber (3), and a rear cover (31) is fixedly arranged at one end of the nitrogen chamber (3).
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| CN117458416A (en) * | 2023-09-15 | 2024-01-26 | 临涣焦化股份有限公司 | Transformation method of three-phase combined overvoltage protector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11270854B2 (en) * | 2018-12-26 | 2022-03-08 | Eaton Intelligent Power Limited | Circuit protection devices, systems and methods for explosive environment compliance |
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| DE202012100451U1 (en) * | 2012-02-10 | 2012-03-14 | Siegfried Ritzberger | Battery vest made of functional textiles and high performance batteries and opt. integrable 230V inverter and / or fuel cell |
| KR20150041502A (en) * | 2013-10-08 | 2015-04-16 | (주)우영에너지홀딩스 | A Li-ion battery protection circuit and its control method |
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| US10937614B1 (en) * | 2019-12-11 | 2021-03-02 | Yi-Hsiang Wang | Switch module with a built-in structure of anti-surge and linkage disconnection |
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| CN117691541A (en) | 2024-03-12 |
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