CN108448550A - A kind of thermal release device and its implementation of surge protector - Google Patents
A kind of thermal release device and its implementation of surge protector Download PDFInfo
- Publication number
- CN108448550A CN108448550A CN201810215074.5A CN201810215074A CN108448550A CN 108448550 A CN108448550 A CN 108448550A CN 201810215074 A CN201810215074 A CN 201810215074A CN 108448550 A CN108448550 A CN 108448550A
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- Prior art keywords
- fixed frame
- block
- fixed
- frame
- varistor
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Classifications
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- 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
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/20—Electrothermal mechanisms with fusible mass
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Abstract
The invention belongs to surge protector fields,The thermal release device and its implementation of especially a kind of surge protector,It is mostly simple in structure for existing surge protector,Limitation is big,Safety coefficient is low,Wherein when a kind of failure,It cannot achieve surge protection,Surge protection problem cannot be realized by multiple modes,Now propose following scheme,It includes the first fixed frame and the second fixed frame,The inside of first fixed frame is equipped with the second fixed frame and fixed column,The side of second fixed frame is equipped with fixed column,Clamping frame is welded in fixed column,The inside of clamping frame is equipped with varistor,It is equipped with intermediate connection sheet on the both sides side wall of varistor,One intermediate connection sheet extends to the inside of the second fixed frame,Pin there are two being set on the side wall of varistor bottom end,Side of the varistor far from the second fixed frame is equipped with support plate.The present invention can be accomplished in several ways surge protection, and protecting effect is good, and safety coefficient is high.
Description
Technical field
The present invention relates to the thermal release device of surge protector technical field more particularly to a kind of surge protector and in fact
Existing method.
Background technology
Surge protector is also known as Surge Protector, is also lightning protection device, is that one kind is various electronic equipments, instrument and meter, leads to
Interrogate the electronic device that circuit provides security protection.When the interference because of the external world in electric loop or communication line generates point suddenly
When peak current or voltage, shunting can be connected in Surge Protector within the extremely short time, to avoid surge to other in circuit
The damage of equipment, Surge Protector are suitable for exchange 50/60HZ, in the power supply system of rated voltage 220V to 380V, to indirect
The surge of thunder and lightning and direct effects of lightning or other instantaneous overvoltages is protected, and home dwelling, the tertiary industry and work are suitable for
The requirement of industry field surge protection.Surge is also surging, as the term suggests just it is above the transient overvoltage of normal working voltage.This
It is said in matter, surge is a kind of violent pulse being happened in only hundreds of times a ten thousandth second, the reason of may causing surge
Have：Jumbo, short circuit, power supply switching or big-block engine.And the product containing surge insulation device can effectively absorb
The huge energy of burst, with protection connection equipment from impaired, currently, voltage-limiting surge protector is generally used varistor
As protection element.After varistor is subjected to multiple heavy current impact, performance can start to deteriorate, and leakage current is gradually increased.It holds
It renews and the leakage current being gradually increased can make varistor generate heat, varistor is may result in when serious and explodes, is on fire.
Existing surge protector is mostly only by quickly will be high to realize with regard to a simple low melting point soldering tin material
Current high voltage export is gone, for example application No. is 201220497266.8 patents to propose a kind of heat for surge protector
Trip gear, and surge protection is realized by simple low melting point soldering tin material and spring, limitation is big, only low by one
Fusing point soldering tin material and spring realize surge protection, wherein when a kind of failure, cannot achieve surge protection, safety
Coefficient is relatively low, and existing surge protector is mostly simple in structure, limitation is big, and safety coefficient is low, cannot pass through multiple modes reality
Existing surge protection, people thirst for solving the problems, such as this always, but never have and find effective solution mode, thus it is proposed that
A kind of thermal release device and its implementation of surge protector.
Invention content
The thermal release device and its implementation of a kind of surge protector proposed by the present invention solve existing surge and protect
Shield device is mostly simple in structure, limitation is big, and safety coefficient is low, wherein when a kind of failure, cannot achieve surge protection, no
The problem of capable of realizing surge protection by multiple modes.
To achieve the goals above, present invention employs following technical solutions：
A kind of thermal release device and its implementation of surge protector, including the first fixed frame and the second fixed frame
The inside of frame, first fixed frame is equipped with the second fixed frame and fixed column, and the side of the second fixed frame is equipped with admittedly
Fixed column is welded with clamping frame in fixed column, and the inside that frame is clamped is equipped with varistor, on the both sides side wall of varistor
It is equipped with intermediate connection sheet, an intermediate connection sheet extends to the inside of the second fixed frame, on the bottom end side wall of varistor
If there are two pin, side of the varistor far from the second fixed frame is equipped with support plate, and support plate is fixed on the first fixation
On the side inner wall of frame, the top of support plate is equipped with the first armature, and the first armature has been externally wrapped with first coil winding,
The both ends of first coil winding are separately connected there are one intermediate connection sheet and a pin, and the top of first armature passes through low
Fusing point soldering tin material is welded with movable block, and the first active conductive block, the first active conductive are equipped on the side side wall of movable block
One end of block is connected with intermediate connection sheet by conducting wire, and the first spring is equipped between the first active conductive block and the first armature, the
One spring is socketed on movable block, and one end of movable block is connected with the first guide post, the inside installation of first fixed frame
There are mounting bracket, mounting bracket to be located at the side of the second fixed frame and fixed column, be connected with by holder on mounting bracket fixed conductive
Block, fixed conducting block is located at the side of the first guide post, and fixed conducting block is corresponding with the first active conductive block moving position,
One end of first guide post passes through mounting bracket and the first fixed frame to extend to the outside of the first fixed frame, and described second fixes
Second armature is installed on the side inner wall of frame, is wound with second coil winding on the second armature, the two of second coil winding
End is connected separately with another intermediate connection sheet and another pin, and threaded post is threaded on second fixed frame,
Threaded post is located at the side of the second armature, and one end of threaded post is rotatably connected to mounting plate, and it is solid that mounting plate is slidably connected at second
Determine the inside of frame, the second guide post is slidably connected on the mounting plate, one end of the second guide post passes through the second fixed frame
Frame, mounting bracket and the first fixed frame extend to the outside of the first fixed frame, and the other end of the second guide post is connected with connection
Block, link block are embedded with magnet piece on the side side wall of the second armature, and link block passes through connector close to varistor
It is connected with the second active conductive block, limited block is installed on the link block, limited block is located at one of mounting plate far from link block
Side is connected with second spring between limited block and mounting plate, second spring is socketed in the second guide post, the fixed conducting block
With ground wire is respectively connected on the second active conductive block, one end of ground wire extends to the outside of the first fixed frame.
Preferably, it is mounted on movable crushing block in first guide post and the second guide post, movable crushing block is located at
The side of mounting bracket is provided with fixing groove on mounting bracket, pressure sensor is equipped in fixing groove.
Preferably, there are current sensor and voltage sensor, electric current on the connecting line of the second coil winding and pin
Sensor and voltage sensor are fixed on the inner wall of the first fixed frame.
Preferably, the vertical tangent plane of the clamping frame is U-shaped, is clamped on the surrounding side wall of frame and is threaded with spiral shell
Nail, varistor are fixed on the inside of clamping frame by screw clamping, are clamped on frame and are movably installed with temperature sensor, temperature
The contact of degree sensor passes through the side wall of clamping frame to be in contact with varistor, and has heat conduction in the interior welds of clamping frame
The both ends of stick, heat conductive rod are contacted with the contact of temperature sensor and an intermediate connection sheet respectively.
Preferably, alarm is installed on the lateral wall of first fixed frame, controller is installed on mounting bracket, control
One end of device processed extends to the outside of the first fixed frame, the input terminal of controller be connected with temperature sensor, current sensor,
The output end of voltage sensor, power supply and pressure sensor, controller is connected with alarm.
Preferably, what one end of the threaded post extended to the first fixed frame is externally connected to rotational handle.
Preferably, the side inner wall of second fixed frame prolongs its length direction and opens there are two sliding slot, and the one of mounting plate
There are two sliding blocks for end connection, and sliding block is slidably connected in sliding slot, and the section of sliding block and sliding slot is T shapes.
Preferably, there are two limited posts, limited post to be slidably connected on a mounting board for connection on the link block.
Compared with prior art, the beneficial effects of the invention are as follows：
1, pass through varistor, pin, the first armature, first coil winding, the first spring, movable block and the in the present invention
The setting of one active conductive block, can be when voltage and current increases suddenly, and first coil winding strap moving armature temperature, which increases, to be made
Low melting point soldering tin material melts so that electrophoresis protector is grounded, and realizes electrophoresis protection, reduces circuit damage or to circuit components
Damage；
2, pass through the second fixed frame, threaded post, magnet piece, link block, mounting plate, second spring, the second guide post, limit
Position block, the second active conductive block, the second armature, second coil winding setting, can when voltage and current increases suddenly, second
Coil windings band moving armature generates prodigious magnetism, and the repulsion with moving armature and magnet piece is more than the pulling force of second spring so that
Electrophoresis protector is grounded, and realizes electrophoresis protection, reduces circuit damage or the damage to circuit components.
3, the present invention can further function as the effect of electrophoresis protection by the setting of pressure sensor, temperature sensor,
Surge protection, protecting effect can be accomplished in several ways by reducing circuit damage or the damage to circuit components, the present invention
Good, safety coefficient is high.
Description of the drawings
Fig. 1 is a kind of thermal release device of surge protector proposed by the present invention and the structural schematic diagram of its implementation；
Fig. 2 is a kind of thermal release device of surge protector proposed by the present invention and the portions the A structural representation of its implementation
Figure.
In figure：1 first fixed frame, 2 fixed columns, 3 pins, 4 first armature, 5 first coil windings, 6 first springs, 7
Conducting block, 10 first guide posts, 11 movable crushing blocks, 12 mounting brackets, 13 pressure are fixed in movable block, 8 first active conductive blocks, 9
Sensor, 14 ground wires, 15 intermediate connection sheets, 16 temperature sensors, 17 controllers, 18 varistors, 19 clamping frames, 20 the
Two fixed frames, 21 threaded posts, 22 magnet pieces, 23 link blocks, 24 mounting plates, 25 second springs, 26 second guide posts, 27 limits
Block, 28 second active conductive blocks, 29 second armature, 30 second coil windings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, the thermal release device and its implementation of a kind of surge protector, including 1 He of the first fixed frame
The inside of second fixed frame 20, the first fixed frame 1 is equipped with the second fixed frame 20 and fixed column 2, the second fixed frame
20 side is equipped with fixed column 2, and clamping frame 19 is welded in fixed column 2, and the inside of clamping frame 19 is equipped with varistor
18, intermediate connection sheet 15 is equipped on the both sides side wall of varistor 18, an intermediate connection sheet 15 extends to the second fixed frame
The inside of frame 20, sets that there are two pins 3 on the bottom end side wall of varistor 18, and varistor 18 is far from the second fixed frame 20
Side is equipped with support plate, and support plate is fixed on the side inner wall of the first fixed frame 1, and the top of support plate is equipped with first
Armature 4, the first armature 4 have been externally wrapped with first coil winding 5, and the both ends of first coil winding 5 are separately connected there are one in
Between connection sheet 15 and a pin 3, the top of first armature 4 is welded with movable block 7 by low melting point soldering tin material, activity
First active conductive block 8 is installed, one end of the first active conductive block 8 is connected with centre by conducting wire on the side side wall of block 7
Connection sheet 15, is equipped with the first spring 6 between the first active conductive block 8 and the first armature 4, the first spring 6 is socketed in movable block 7
On, one end of movable block 7 is connected with the first guide post 10, and the inside of first fixed frame 1 is equipped with mounting bracket 12, installation
Frame 12 is located at the side of the second fixed frame 20 and fixed column 2, and fixed conducting block 9 is connected with by holder on mounting bracket 12, Gu
Determine the side that conducting block 9 is located at the first guide post 10, and fixed conducting block 9 is corresponding with 8 moving position of the first active conductive block,
One end of first guide post 10 passes through mounting bracket 12 and the first fixed frame 1 to extend to the outside of the first fixed frame 1, and described the
Second armature 29 is installed on the side inner wall of two fixed frames 20, second coil winding 30 is wound on the second armature 29, the
The both ends of two coil winding 30 are connected separately with another intermediate connection sheet 15 and another pin 3, second fixed frame
Threaded post 21 is threaded on 20, threaded post 21 is located at the side of the second armature 29, and one end of threaded post 21 is rotatably connected to
Mounting plate 24, mounting plate 24 are slidably connected at the inside of the second fixed frame 20, second are slidably connected on the mounting plate 24
One end of guide post 26, the second guide post 26 extends to across the second fixed frame 20, mounting bracket 12 and the first fixed frame 1
The other end of the outside of one fixed frame 1, the second guide post 26 is connected with link block 23, and link block 23 is close to the second armature 29
Magnet piece 22 is embedded on the side wall of side, link block 23 is connected with the second active conductive close to varistor 18 by connector
Block 28 is equipped with limited block 27 on the link block 23, and limited block 27 is located at side of the mounting plate 24 far from link block 23, limit
Second spring 25 is connected between block 27 and mounting plate 24, second spring 25 is socketed in the second guide post 26, and the fixation is led
It is respectively connected with ground wire 14 on electric block 9 and the second active conductive block 28, the one end for being grounded 14 extends to the first fixed frame 1
It is external.
Movable crushing block 11 is mounted in first guide post 10 and the second guide post 26, movable crushing block 11 is located at installation
The side of frame 12 is provided with fixing groove on mounting bracket 12, pressure sensor, second coil winding 30 and pin is equipped in fixing groove
There are current sensor and voltage sensor, current sensor and voltage sensor to be fixed on the first fixed frame 1 on 3 connecting line
Inner wall on, clamping frame 19 vertical tangent plane be U-shaped, be clamped frame 19 surrounding side wall on be threaded with screw, it is pressure-sensitive
Resistance 18 is fixed on the inside of clamping frame 19 by screw clamping, is clamped on frame 19 and is movably installed with temperature sensor 16,
The contact of temperature sensor 16 passes through the side wall of clamping frame 19 to be in contact with varistor 18, and in the inside of clamping frame 19
It is welded with heat conductive rod, the both ends of heat conductive rod are contacted with the contact of temperature sensor 16 and an intermediate connection sheet 15 respectively, and first
Alarm is installed on the lateral wall of fixed frame 1, controller 17 is installed on mounting bracket 12, one end of controller 17 extends to
The input terminal of the outside of first fixed frame 1, controller is connected with temperature sensor 16, current sensor, voltage sensor, electricity
The output end of source and pressure sensor, controller is connected with alarm, and one end of threaded post 21 extends to the first fixed frame 1
It is externally connected to rotational handle, the side inner wall of the second fixed frame 20 prolongs its length direction and opens that there are two sliding slot, mounting plates 24
One end connection there are two sliding block, sliding block is slidably connected in sliding slot, and the section of sliding block and sliding slot is T shapes, link block 23
There are two limited post, limited posts to be slidably connected on mounting plate 24 for upper connection.
Real-time example：When in use, when there is electrophoresis, current or voltage can increase suddenly, its connection of varistor 18
Intermediate connection sheet temperature increases, and temperature sensor 16 is passed to by heat conductive silica gel and conductive rod, and temperature sensor 16 is by signal
Controller 17 is passed to, controller 17 controls alarm equipment alarm；
The current or voltage on first coil winding 5 can be driven to increase suddenly when current or voltage increases suddenly simultaneously, the
One coil windings 5 drive the first armature 4 to generate very high heat, and heat to connect between the first armature 4 and movable block 7 low
Fusing point soldering tin material melts so that the first armature 4 is disconnected with movable block 7, and the first active conductive block 8 and movable block 7 are in the first bullet
It is moved to side under the drive of spring 6, drives the movement of the first guide post 10, during exercise the first active conductive block 8 and fixed conduction
Block 9 contacts conduction so that electrophoresis protection is realized in the ground connection electric discharge of electrophoresis protector, reduces circuit damage or to circuit components
Damage, while 10 drive activity crushing block 11 of the first guide post squeezes the pressure sensor 13 in mounting bracket 12, pressure sensor
13 experience pressure passes to controller 17 by signal, and controller 17 controls alarm equipment alarm；
Second coil winding 30 is formed back by intermediate connection sheet 15 on conducting wire and varistor 18 and the connection of pin 3
Road, second coil winding 30 are powered, and second coil winding 30 drives the second armature 29 to generate magnetism, the magnetic that the second armature 29 generates
Property repel each other with the magnetism of magnet piece 22, magnet piece 22 drives second spring 25 to stretch by the second guide post 26 and limited block 27,
Current or voltage in second coil winding 30 is driven to increase suddenly when current or voltage increases suddenly, 30 band of second coil winding
Magnetic increase on dynamic second armature 29, the magnetism that the second armature 29 generates increase, the magnetism of the second armature 29 and magnet piece 22
Mutual expelling force increases, and drives the second guide post 26, link block 23 and the second active conductive block 28 to be moved to side, the second active conductive
Block 28 contacts conduction with intermediate connection sheet 15 so that electrophoresis protection is realized in the ground connection electric discharge of electrophoresis protector, reduce circuit damage or
Damage to circuit components, while 26 drive activity crushing block 11 of the second guide post squeezes the pressure sensor in mounting bracket 12
13, pressure sensor 13 experiences pressure and signal is passed to controller 17, and controller 17 controls alarm equipment alarm, energy of the present invention
It is enough accomplished in several ways surge protection, protecting effect is good, and safety coefficient is high.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. the thermal release device and its implementation of a kind of surge protector, including the first fixed frame (1) and the second fixed frame
Frame (20), it is characterised in that：The inside of first fixed frame (1) is equipped with the second fixed frame (20) and fixed column (2),
The side of second fixed frame (20) is equipped with fixed column (2), and clamping frame (19) is welded in fixed column (2), and frame is clamped
(19) inside is equipped with varistor (18), is equipped with intermediate connection sheet (15) on the both sides side wall of varistor (18), and one
A intermediate connection sheet (15) extends to the inside of the second fixed frame (20), set on the bottom end side wall of varistor (18) there are two
Pin (3), side of the varistor (18) far from the second fixed frame (20) are equipped with support plate, and it is solid that support plate is fixed on first
On the side inner wall for determining frame (1), the top of support plate is equipped with the first armature (4), and the first armature (4) has been externally wrapped with
The both ends of one coil windings (5), first coil winding (5) are separately connected there are one intermediate connection sheet (15) and a pin (3),
The top of first armature (4) is welded with movable block (7) by low melting point soldering tin material, on the side side wall of movable block (7)
First active conductive block (8) is installed, one end of the first active conductive block (8) is connected with intermediate connection sheet (15) by conducting wire,
The first spring (6) is equipped between first active conductive block (8) and the first armature (4), the first spring (6) is socketed in movable block (7)
On, one end of movable block (7) is connected with the first guide post (10), and the inside of first fixed frame (1) is equipped with mounting bracket
(12), mounting bracket (12) is located at the side of the second fixed frame (20) and fixed column (2), and mounting bracket is connected on (12) by holder
There is fixed conducting block (9), fixed conducting block (9) is located at the side of the first guide post (10), and fixed conducting block (9) is lived with first
Moving conductive block (8) moving position is corresponding, and one end of the first guide post (10) passes through mounting bracket (12) and the first fixed frame (1)
The outside of the first fixed frame (1) is extended to, the second armature is installed on the side inner wall of second fixed frame (20)
(29), second coil winding (30) is wound on the second armature (29), the both ends of second coil winding (30) are connected separately with separately
One intermediate connection sheet (15) and another pin (3) are threaded with threaded post (21) on second fixed frame (20),
Threaded post (21) is located at the side of the second armature (29), and one end of threaded post (21) is rotatably connected to mounting plate (24), mounting plate
(24) it is slidably connected at the inside of the second fixed frame (20), the second guide post is slidably connected on the mounting plate (24)
(26), one end of the second guide post (26) passes through the second fixed frame (20), mounting bracket (12) and the first fixed frame (1) to extend
To the outside of the first fixed frame (1), the other end of the second guide post (26) is connected with link block (23), and link block (23) is close
Magnet piece (22) is embedded on the side side wall of second armature (29), link block (23) passes through connection close to varistor (18)
Part is connected with the second active conductive block (28), and limited block (27) is equipped on the link block (23), and limited block (27) is located at peace
Side of the loading board (24) far from link block (23), is connected with second spring (25) between limited block (27) and mounting plate (24), the
Two springs (25) are socketed in the second guide post (26), are connected on the fixed conducting block (9) and the second active conductive block (28)
It is connected to ground wire (14), one end of ground wire (14) extends to the outside of the first fixed frame (1).
2. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
It states and is mounted on movable crushing block (11) in the first guide post (10) and the second guide post (26), movable crushing block (11) is located at peace
The side of (12) is shelved, fixing groove is provided on mounting bracket (12), pressure sensor is installed in fixing groove.
3. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
State second coil winding (30) has current sensor and voltage sensor, current sensor and electricity on the connecting line of pin (3)
Pressure sensor is fixed on the inner wall of the first fixed frame (1).
4. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
The vertical tangent plane for stating clamping frame (19) is U-shaped, and screw, varistor are threaded on the surrounding side wall of clamping frame (19)
(18) it is fixed on the inside of clamping frame (19) by screw clamping, temperature sensor is movably installed on clamping frame (19)
(16), the contact of temperature sensor (16) passes through the side wall of clamping frame (19) to be in contact with varistor (18), and is being clamped
The interior welds of frame (19) have heat conductive rod, the both ends of heat conductive rod to connect respectively with the contact of temperature sensor (16) and a centre
Contact pin (15) contacts.
5. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
It states and alarm is installed on the lateral wall of the first fixed frame (1), controller (17), controller are installed on mounting bracket (12)
(17) one end extends to the outside of the first fixed frame (1), and the input terminal of controller is connected with temperature sensor (16), electric current
The output end of sensor, voltage sensor, power supply and pressure sensor, controller is connected with alarm.
6. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
What the one end for stating threaded post (21) extended to the first fixed frame (1) is externally connected to rotational handle.
7. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
The side inner wall for stating the second fixed frame (20) prolongs its length direction and opens there are two sliding slot, and one end of mounting plate (24) is connected with two
A sliding block, sliding block are slidably connected in sliding slot, and the section of sliding block and sliding slot is T shapes.
8. the thermal release device and its implementation of a kind of surge protector according to claim 1, it is characterised in that：Institute
Stating connection on link block (23), there are two limited posts, limited post to be slidably connected on mounting plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215074.5A CN108448550B (en) | 2018-03-15 | 2018-03-15 | A kind of thermal release device and its implementation of surge protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215074.5A CN108448550B (en) | 2018-03-15 | 2018-03-15 | A kind of thermal release device and its implementation of surge protector |
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| Publication Number | Publication Date |
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| CN108448550A true CN108448550A (en) | 2018-08-24 |
| CN108448550B CN108448550B (en) | 2019-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412129A (en) * | 2018-10-30 | 2019-03-01 | 南安市商宏机械科技有限公司 | A kind of electric power box Surge Protector overvoltage electric current drainage pressure relief protecting device |
| CN109412129B (en) * | 2018-10-30 | 2021-05-11 | 杭州创鼎电气有限公司 | Overvoltage current drainage pressure relief protection device of surge protector of power box |
| CN112993915A (en) * | 2019-12-02 | 2021-06-18 | 武汉凯飞通信科技有限公司 | Grounding-free isolated lightning protection device |
| CN112993915B (en) * | 2019-12-02 | 2022-08-23 | 武汉凯飞通信科技有限公司 | Grounding-free isolated lightning protection device |
| CN112959867A (en) * | 2021-01-29 | 2021-06-15 | 黄河交通学院 | Overvoltage protection device for automobile air conditioner |
| CN112959867B (en) * | 2021-01-29 | 2022-12-23 | 黄河交通学院 | Overvoltage protection device for automobile air conditioner |
| CN116313671A (en) * | 2023-05-19 | 2023-06-23 | 国网山东省电力公司乐陵市供电公司 | Emergency cut-off protection device for electric power engineering |
| CN116313671B (en) * | 2023-05-19 | 2023-07-25 | 国网山东省电力公司乐陵市供电公司 | Emergency cut-off protection device for electric power engineering |
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|---|---|
| CN108448550B (en) | 2019-06-14 |
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