CN209418227U - A kind of varistor for hot environment - Google Patents
A kind of varistor for hot environment Download PDFInfo
- Publication number
- CN209418227U CN209418227U CN201920441508.3U CN201920441508U CN209418227U CN 209418227 U CN209418227 U CN 209418227U CN 201920441508 U CN201920441508 U CN 201920441508U CN 209418227 U CN209418227 U CN 209418227U
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- CN
- China
- Prior art keywords
- varistor
- pin
- shell
- stuck
- bottom end
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of varistors for hot environment, including circuit board, circuit board, which is equipped with, gets stuck one by what several connecting columns connected, a bottom end get stuck equipped with one group of pin bores, a top of getting stuck is equipped with and gets stuck two by what several bindiny mechanisms connected, get stuck one and the two composition card casees that get stuck, varistor shell and filler one are equipped with inside card case, filler one is between varistor shell outer wall and card chamber interior wall, varistor is equipped with inside varistor shell, varistor shell bottom end is equipped with pin one and pin two through pin bores, pin one and two bottom end of pin pass through the fuse body being equipped with and connect with circuit board.A kind of varistor for hot environment of the utility model, the design is easy to operate, and design rationally, enables varistor to work under high temperature environment, when the temperature is excessively high, can cut off the connection between varistor and circuit in time, and then protect varistor.
Description
Technical field
The utility model relates to varistor technical field, in particular to a kind of varistor for hot environment.
Background technique
Varistor is a kind of resistance device with nonlinear wind vibration, be mainly used for circuit bear over-voltage when into
Row voltage clamping absorbs extra electric current to protect Sensitive Apparatus.Varistor is a kind of votage limit type protection device.Using pressure-sensitive
The nonlinear characteristic of resistance, when overvoltage appears in two interpolars of varistor, varistor can be by voltage clamping to one
Relatively-stationary voltage value, to realize the protection to late-class circuit.Traditional varistor cannot use under high temperature environment,
With significant limitation, and varistor is easily caused to damage when the temperature is excessively high, causes economic loss.
Utility model content
The main purpose of the utility model is to provide a kind of varistor for hot environment, can effectively solve to carry on the back
It cannot be used under high temperature environment in scape technology, there is limitation, easily cause asking for varistor damage when the temperature is excessively high
Topic.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of varistor for hot environment, including circuit board, the circuit board, which is equipped with, passes through several connections
Column connection gets stuck one, and equipped with one group of pin bores, a top of getting stuck is equipped with through several connection machines for a bottom end of getting stuck
Structure connection gets stuck two, get stuck one and the two composition card casees that get stuck, and varistor shell is equipped with inside the card case and is filled out
Object one is filled, the filler one is between the varistor shell outer wall and the card chamber interior wall, in the varistor shell
Portion is equipped with varistor, and varistor shell bottom end is equipped with pin one and pin two through the pin bores, the pin
One and two bottom end of the pin pass through the fuse body being equipped with and connect with the circuit board, the pin one and the pin two
Top all extends to inside the varistor shell, and two top of pin is equipped with thermal fuse, and the thermal fuse is logical
It crosses lead one to connect with the varistor, one top of pin is connect by lead two with the varistor, the pressure
Filler two is equipped with inside quick resistance shell.
Preferably, the fuse body includes the snap ring for being sheathed on two bottom of the pin one and the pin, described to draw
Foot one and two bottom end of the pin are connect by medium with the circuit board, and the medium outer cover is equipped with compressed spring one.
Preferably, the medium is the scolding tin of low melting point.
Preferably, the bindiny mechanism includes the cabinet for cavity structure, and the outer wall that gets stuck is equipped with L-shaped groove
One, for two outer walls that get stuck equipped with L-shaped groove two, the cabinet bottom end is equipped with through-hole, runs through the activity of being equipped in the through-hole
Bar, described motion bar one end are equipped with the limited block positioned at the box house, the limited block top and the cabinet wall top
End is equipped with compressed spring two, and the motion bar bottom end is equipped with L shape kelly one compatible with the groove one, and the cabinet is close
Two sides of getting stuck are equipped with L shape kelly two compatible with the groove two.
Preferably, the filler one is heat-conducting silica gel sheet, and the filler two is ceramic particle.
Preferably, the varistor shell outer cover is equipped with aluminium layer.
Compared with prior art, the utility model has the following beneficial effects: passing through setting thermal fuse and fusing machine
The mating reaction of structure cuts off the connection of varistor and circuit, and then duplicate protection varistor when the temperature is excessively high in time,
By the way that bindiny mechanism is arranged, one and gets stuck and two separated so that getting stuck, and then be conveniently replaceable varistor, pass through setting filling
The mating reaction of object one, filler two and aluminium layer can timely radiate to varistor, enable varistor in high temperature
It working under environment, the design is easy to operate, and design rationally, enables varistor to work under high temperature environment, when the temperature is excessively high,
The connection between varistor and circuit can be cut off in time, and then protects varistor.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the varistor for hot environment of the utility model；
Fig. 2 is a kind of structural schematic diagram of the varistor bindiny mechanism for hot environment of the utility model；
Fig. 3 is a kind of structural schematic diagram of the varistor fuse body for hot environment of the utility model.
In figure: 1, circuit board；2, connecting column；3, one is got stuck；4, two are got stuck；5, bindiny mechanism；6, pin bores；7, pressure-sensitive electricity
Hinder shell；8, aluminium layer；9, varistor；10, pin one；11, pin two；12, thermal fuse；13, lead one；14, lead two；
15, filler one；16, filler two；17, fuse body；1701, snap ring；1702, medium；1703, compressed spring one；18, recessed
Slot one；19, groove two；20, cabinet；21, through-hole；22, motion bar；23, limited block；24, compressed spring two；25, kelly one；
26, kelly two.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1-3, a kind of varistor for hot environment, including circuit board 1, it is equipped with above circuit board 1 logical
That crosses that several connecting columns 2 connect gets stuck 1, and equipped with one group of pin bores 6, one 3 tops of getting stuck are equipped with by several for one 3 bottom ends of getting stuck
What bindiny mechanism 5 connected gets stuck 24, and get stuck one 3 and the 24 composition card casees that get stuck, and is equipped with varistor shell 7 and filling inside card case
Object 1, filler 1 are located between 7 outer wall of varistor shell and card chamber interior wall, and pressure-sensitive electricity is equipped with inside varistor shell 7
Resistance 9,7 bottom end of varistor shell are equipped with pin 1 and pin 2 11 through pin bores 6,2 11 bottom end of pin 1 and pin
It is connect by the fuse body 17 being equipped with circuit board 1, pin 1 and 2 11 top of pin all extend to varistor shell 7
Inside, 2 11 top of pin are equipped with thermal fuse 12, and thermal fuse 12 is connect with varistor 9 by lead 1, drawn
One 10 top of foot is connect by lead 2 14 with varistor 9, and filler 2 16 is equipped with inside varistor shell 7；
Fuse body 17 includes the snap ring 1701 for being sheathed on 2 11 bottom of pin 1 and pin, pin 1 and pin two
11 bottom ends are connect by medium 1702 with circuit board 1, and 1702 outer cover of medium is equipped with compressed spring 1；Medium 1702 is low
The scolding tin of fusing point；Bindiny mechanism 5 includes the cabinet 20 for cavity structure, and one 3 outer walls that get stuck are equipped with L-shaped groove 1, get stuck
24 outer walls are equipped with L-shaped groove 2 19, and 20 bottom end of cabinet is equipped with through-hole 21, runs through in through-hole 21 and be equipped with motion bar 22, motion bar
22 one end are equipped with the limited block 23 being located inside cabinet 20, and 23 top of limited block and 20 inner wall top of cabinet are equipped with compressed spring two
24,22 bottom end of motion bar be equipped with L shape kelly 1 compatible with groove 1, cabinet 20 close to get stuck 24 sides be equipped with
The compatible L shape kelly 2 26 of groove 2 19；Filler 1 is heat-conducting silica gel sheet, and filler 2 16 is ceramic particle；It is pressure-sensitive
7 outer cover of resistance shell is equipped with aluminium layer 8.
It should be noted that the utility model is a kind of varistor for hot environment, when in use, when temperature mistake
Height, thermal fuse 12 can be broken, and the connection of pin 2 11 and varistor 9 be cut off, so that varistor 9 is cut from circuit
It removes, and then protects varistor 9, while temperature is excessively high, medium 1702 because high temperature is gradually broken, at compressed spring 1
In compressive state, when medium 1702 is broken, since one 1703 pairs of snap rings 1701 of compressed spring apply upward power, and then pin one
10 and pin 2 11 be detached from circuit board 1 rapidly so that varistor 9 is cut off from circuit, and then protect varistor 9, lead to
Filler 1, filler 2 16 and the aluminium layer 8 for crossing setting, and then radiate in time, enable the work in high temperature of varistor 9
Make, when need to separate get stuck 1 and get stuck 24 when, press kelly 1 and cabinet 20, and then motion bar 22 enters in cabinet 20
Portion, and then kelly 1 moves up, so that kelly 1 is detached from groove 1, and then kelly 2 26 moves downward, so that card
Bar 2 26 is detached from groove 2 19, and then takes out bindiny mechanism 5, and then separates to get stuck and one 3 and get stuck 24.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of varistor for hot environment, it is characterised in that: including circuit board (1), set above the circuit board (1)
There are one (3) of getting stuck connected by several connecting columns (2), described (3) bottom end of getting stuck is equipped with one group of pin bores (6), the card
It is equipped with two (4) of getting stuck connected by several bindiny mechanisms (5) above shell one (3), described get stuck and described gets stuck two at one (3)
(4) card case is formed, is equipped with varistor shell (7) and filler one (15) inside the card case, the filler one (15) is located at
Between varistor shell (7) outer wall and the card chamber interior wall, varistor (9) are equipped with inside the varistor shell (7),
Varistor shell (7) bottom end is equipped with pin one (10) and pin two (11) through the pin bores (6), the pin one
(10) pass through the fuse body (17) being equipped with the pin two (11) bottom end and connect with the circuit board (1), the pin
One (10) and the pin two (11) top all extend to varistor shell (7) inside, and pin two (11) top is set
Have thermal fuse (12), the thermal fuse (12) is connect by lead one (13) with the varistor (9), described to draw
Foot one (10) top is connect by lead two (14) with the varistor (9), and filling is equipped with inside the varistor shell (7)
Object two (16).
2. a kind of varistor for hot environment according to claim 1, it is characterised in that: the fuse body
(17) include being sheathed on the snap ring (1701) of the pin one (10) and the pin two (11) bottom, the pin one (10) and
Pin two (11) bottom end is connect by medium (1702) with the circuit board (1), and medium (1702) outer cover is equipped with
Compressed spring one (1703).
3. a kind of varistor for hot environment according to claim 2, it is characterised in that: the medium (1702)
For the scolding tin of low melting point.
4. a kind of varistor for hot environment according to claim 1, it is characterised in that: the bindiny mechanism
It (5) include cabinet (20) for cavity structure, described (3) outer wall that gets stuck is described to get stuck two equipped with L-shaped groove one (18)
(4) outer wall is equipped with L-shaped groove two (19), and cabinet (20) bottom end is equipped with through-hole (21), runs through in the through-hole (21) and sets
Have motion bar (22), described motion bar (22) one end, which is equipped with, is located at the cabinet (20) internal limited block (23), the limit
Block (23) top and the cabinet (20) inner wall top are equipped with compressed spring two (24), and motion bar (22) bottom end is equipped with and institute
State the compatible L shape kelly one (25) of groove one (18), the cabinet (20) close to described two (4) sides of getting stuck be equipped with it is described
The compatible L shape kelly two (26) of groove two (19).
5. a kind of varistor for hot environment according to claim 1, it is characterised in that: the filler one
It (15) is heat-conducting silica gel sheet, the filler two (16) is ceramic particle.
6. a kind of varistor for hot environment according to claim 1, it is characterised in that: the varistor shell
(7) outer cover is equipped with aluminium layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920441508.3U CN209418227U (en) | 2019-04-03 | 2019-04-03 | A kind of varistor for hot environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920441508.3U CN209418227U (en) | 2019-04-03 | 2019-04-03 | A kind of varistor for hot environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418227U true CN209418227U (en) | 2019-09-20 |
Family
ID=67946081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920441508.3U Expired - Fee Related CN209418227U (en) | 2019-04-03 | 2019-04-03 | A kind of varistor for hot environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209418227U (en) |
-
2019
- 2019-04-03 CN CN201920441508.3U patent/CN209418227U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |