CN207819441U - A kind of surge protector - Google Patents
A kind of surge protector Download PDFInfo
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- CN207819441U CN207819441U CN201721877747.0U CN201721877747U CN207819441U CN 207819441 U CN207819441 U CN 207819441U CN 201721877747 U CN201721877747 U CN 201721877747U CN 207819441 U CN207819441 U CN 207819441U
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- foot
- temperature
- sensitive
- cast
- linear element
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Abstract
The utility model discloses a kind of surge protector.Surge protector includes non-linear element and Temperature protection.There is non-linear element cast foot, Temperature protection to have one or more temperature-sensitive feet, and cast foot and temperature-sensitive foot are each made of a metal, at least one temperature-sensitive foot bayonet tube type foot of Temperature protection, and are connect with cast foot.The utility model is using cast crimping welding, by the temperature-sensitive foot heat conduction of the direct fixed temperature insurance of the cast foot of non-linear element.It is compared with traditional Temperature protection, the fixation of pin-type structure is more convenient, and contact surface increase can increase junction lightning current tolerance；It is compared with traditional Temperature protection, closer to heater (non-linear element), junction is largely directly connected to cylinder structure, and pipe internal pore part just uses welding material, direct heat conduction to accelerate heat-transfer rate.Under same test conditions, the Temperature protection fusing time for measuring pin-type structure is the 2/3 or less of the traditional structure time.
Description
Technical field
The utility model is related to surge protecting circuit field more particularly to a kind of surge protectors.
Background technology
The failure mode of surge protector has short circuit, breaking two kinds of situations, Temperature protection 10 as shown in Figure 1 to connect surge
Protector is a kind of generic way, principle be by non-linear element 11 have follow current by when, non-linear element 11 is sent out
Heat makes the temperature sensing material temperature rise being connected on tie point 12, until temperature sensing material fusing, reaches surge protector and is detached from electricity
The purpose of net.
Traditional Temperature protection is as shown in Fig. 2, the temperature-sensitive foot 101 by Temperature protection 10 is close to non-linear element 11 (such as
Varistor, discharge tube) electrode pin 111 be welded and fixed, pass through welding material heat conduction.Traditional Temperature protection is heating up
When, with falling off for welding material, the temperature-sensitive foot 101 of Temperature protection 10 and the electrode pin 111 of non-linear element 11 have disengaging
Risk.
Invention content
Temperature protection is in heating in order to prevent, with falling off for welding material, and causes the temperature-sensitive foot of Temperature protection de-
The phenomenon that electrode pin from non-linear element, occurs, and the utility model provides a kind of surge protector.
The utility model is realized using following technical scheme：A kind of surge protector comprising non-linear element and temperature
Insurance；There is the non-linear element cast foot, the Temperature protection to have one or more temperature-sensitive feet, the cast foot and sense
Warm foot is each made of a metal, and at least one temperature-sensitive foot of the Temperature protection is inserted into the cast foot, and with the cast foot
Connection.
As being further improved for said program, the temperature-sensitive foot is welded to connect with the cast foot, the cast foot
Pipe internal pore is filled using welding material.
As being further improved for said program, the non-linear element is varistor or discharge tube.
As being further improved for said program, the Temperature protection has two or more temperature-sensitive feet, is inserted into the pipe
The length of temperature-sensitive foot in type foot is less than the length of other temperature-sensitive feet.
As being further improved for said program, the ratio between the outer diameter of the internal diameter of the cast foot and the temperature-sensitive foot being inserted
For 1.02-1.2:1.
As being further improved for said program, the cast foot and the temperature-sensitive foot being inserted are in direct contact.
As being further improved for said program, the non-linear element further includes that non-linear element ontology and electrode are inserted
Foot, the electrode pins and cast foot are connected on the non-linear element ontology, and the electrode pins are stretched out described non-linear
The length ratio that the length of component body stretches out the non-linear element ontology with the temperature-sensitive foot outside the cast foot is
0.9-1.1:1。
The utility model also provides a kind of manufacturing method of surge protector, includes the following steps：
Non-linear element and Temperature protection are provided, the non-linear element includes non-linear element ontology and is connected to described
The cast foot of non-linear element ontology, the Temperature protection include Temperature protection ontology and are connected on the Temperature protection ontology
One or more temperature-sensitive feet, the cast foot and temperature-sensitive foot are each made of a metal；
At least one temperature-sensitive foot of the Temperature protection is inserted into the cast foot of the non-linear element ontology, is made described
Temperature-sensitive foot is contacted and is connected with the cast foot.
As being further improved for said program, after the temperature-sensitive foot is inserted into the cast foot, in the cast foot
Pipe internal pore fill welding material, the temperature-sensitive foot and the cast foot are welded to connect.
As being further improved for said program, the Temperature protection includes two or more temperature-sensitive feet, is inserted into the pipe
The length of temperature-sensitive foot in type foot is less than the length of other temperature-sensitive feet.
Welding by being close to non-linear element (such as varistor MOV, discharge tube) from the warm foot of original Temperature protection changes
The cast crimping welding for becoming the utility model is led by the temperature-sensitive foot of the direct fixed temperature insurance of the cast foot of non-linear element
Heat.It is compared with traditional Temperature protection, the fixation of pin-type structure is more convenient, and it is resistance to that contact surface increase can increase junction lightning current
By ability；It is compared with traditional Temperature protection, for cylinder structure closer to heater (non-linear element), junction is largely straight
It connects in succession, pipe internal pore part just uses welding material, direct heat conduction to accelerate heat-transfer rate.Under same test conditions, survey
The Temperature protection fusing time for obtaining pin-type structure is the 2/3 or less of the traditional structure time.
Description of the drawings
Fig. 1 is a kind of connection diagram of general Temperature protection connection surge protector.
Fig. 2 is the structural schematic diagram of conventional temperature insurance.
Fig. 3 is the structural schematic diagram of the Temperature protection of the surge protector of the embodiments of the present invention 1.
Fig. 4 is the structural schematic diagram of the Temperature protection of the surge protector of the embodiments of the present invention 2.
Fig. 5 is the structural schematic diagram of the Temperature protection of the surge protector of the embodiments of the present invention 3.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
The surge protector of the utility model includes non-linear element and Temperature protection.The non-linear element has cast
There are one or more temperature-sensitive feet, the cast foot and temperature-sensitive foot to be each made of a metal for foot, the Temperature protection, and the temperature is protected
At least one temperature-sensitive foot of danger is inserted into the cast foot, and is connect with the cast foot.The utility model relies on surge protection
The wherein at least one temperature-sensitive foot of the direct fixed temperature insurance of cast foot of the non-linear element of device.
Non-linear element further includes non-linear element ontology and electrode pins, and the electrode pins and cast foot are connected to institute
It states on non-linear element ontology, the electrode pins stretch out the length of the non-linear element ontology and outside the cast foot
Temperature-sensitive foot (namely being not inserted into other temperature-sensitive feet of cast foot) to stretch out the length ratio of the non-linear element ontology be 0.9-
1.1:1.The internal diameter of cast foot and the ratio between the outer diameter of temperature-sensitive foot being inserted are 1.02-1.2:1.The internal diameter of cast foot is general
Between 0.5-5mm.After the temperature-sensitive foot is inserted into the cast foot, in the pipe internal pore filling welding material of the cast foot
Material, the temperature-sensitive foot and the cast foot are welded to connect.When the Temperature protection includes two or more temperature-sensitive feet, it is inserted into institute
The length for stating the temperature-sensitive foot in cast foot is less than the length of other temperature-sensitive feet as possible.
Non-linear element can be varistor or gas-discharge tube.The temperature-sensitive foot is welded to connect with the cast foot, institute
The pipe internal pore for stating cast foot is filled using welding material, and the junction of cast foot and corresponding temperature-sensitive foot is largely directly to connect
It connects.Direct heat conduction accelerates heat-transfer rate, and under same test conditions, measuring the Temperature protection fusing time of pin-type structure is
2/3 or less traditional structure time.
The manufacturing method of surge protector, it is characterised in that：Include the following steps：
Non-linear element and Temperature protection are provided, the non-linear element includes non-linear element ontology and is connected to described
The cast foot of non-linear element ontology, the Temperature protection include Temperature protection ontology and are connected on the Temperature protection ontology
One or more temperature-sensitive feet, the cast foot and temperature-sensitive foot are each made of a metal；
At least one temperature-sensitive foot of the Temperature protection is inserted into the cast foot of the non-linear element ontology, is made described
Temperature-sensitive foot is contacted and is connected with the cast foot.
Embodiment 1
Referring to Fig. 3, the surge protector of the present embodiment 1 includes non-linear element 21 and Temperature protection.Non-linear element
21 there is cast foot 210, the Temperature protection to have one or more temperature-sensitive feet 22, the cast foot 210 and temperature-sensitive foot 22 equal
It is made of metal.At least one temperature-sensitive foot 22 of the Temperature protection is inserted into the cast foot 210, and with the cast foot
210 connections.When non-linear element 21 uses the varistor of 34S, by the cast foot of the non-linear element 21 of surge protector
The wherein at least one temperature-sensitive foot 22 of 210 direct fixed temperature insurances.The big portion in junction of cast foot 210 and corresponding temperature-sensitive foot 22
It is divided into and is directly connected to, the pipe internal pore of cast foot 210 is filled using welding material.Temperature protection has two or more temperature-sensitive feet
22, the length for being inserted into the temperature-sensitive foot 22 in the cast foot 210 is less than the length of other temperature-sensitive feet 22.The internal diameter of cast foot 210
It is 1.02-1.2 with the ratio between the outer diameter for the temperature-sensitive foot 22 being inserted:1, temperature-sensitive foot 22 can be made to have more area and cast foot
210 are in direct contact.Cast foot 210 and the temperature-sensitive foot 22 being inserted are in direct contact as possible.
Embodiment 2
Referring to Fig. 4, the surge protector of the present embodiment 2 and the surge protector of embodiment 1 are essentially identical, the present embodiment
2 surge protector includes non-linear element 31 and Temperature protection.There is non-linear element 31 cast foot 310, the temperature to protect
Danger has one or more temperature-sensitive feet 22, and the cast foot 310 and temperature-sensitive foot 22 are each made of a metal.
The non-linear element 31 of surge protector uses the varistor of 25D.Surge protector relies on non-linear element 31
310 direct fixed temperature of cast foot insurance wherein at least one temperature-sensitive foot 22.The company of cast foot 310 and corresponding temperature-sensitive foot 22
Largely to be directly connected to, the pipe internal pore of cast foot 310 is filled using welding material at the place of connecing.
Embodiment 3
Referring to Fig. 5, the Temperature protection of the surge protector of the present embodiment 3 uses 80kA discharge tubes.Surge protector packet
Include non-linear element 41 and Temperature protection.There is non-linear element 41 cast foot 410, the Temperature protection to have one or more
Temperature-sensitive foot 22, the cast foot 410 and temperature-sensitive foot 22 are each made of a metal.
The wherein at least one temperature-sensitive that Temperature protection insures by the 410 direct fixed temperature of cast foot of non-linear element 41
Foot 22.Largely to be directly connected to, the pipe internal pore of cast foot 410 uses for the junction of cast foot 410 and corresponding temperature-sensitive foot 22
Welding material is filled.
In conclusion being close to MOV (varistor) welding from original Temperature protection temperature-sensitive foot changes into the utility model
Cast crimping welding.By non-linear element, (the direct fixed temperature insurance temperature-sensitive foot of varistor, discharge tube cast foot is led
Heat.It is compared with traditional Temperature protection, the fixation of pin-type structure is more convenient, and it is resistance to that contact surface increase can increase junction lightning current
By ability.Traditional Temperature protection is in heating, with falling off for welding material, Temperature protection temperature-sensitive foot and MOV (pressure-sensitive electricity
Resistance) electrode pin have the risk of disengaging.Furthermore it is compared with traditional Temperature protection, cylinder structure is (non-thread closer to heater
Property element), junction is largely directly connected to, and pipe internal pore part just uses welding material, and direct heat conduction accelerates heat conduction
Speed.Under same test conditions, the Temperature protection fusing time that measures pin-type structure be the 2/3 of traditional structure time with
Under.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (7)
1. a kind of surge protector comprising non-linear element and Temperature protection；It is characterized in that：The non-linear element has
There are one or more temperature-sensitive feet, the cast foot and temperature-sensitive foot to be each made of a metal for cast foot, the Temperature protection, the temperature
At least one temperature-sensitive foot of degree insurance is inserted into the cast foot, and is connect with the cast foot.
2. surge protector as described in claim 1, it is characterised in that：The temperature-sensitive foot is welded to connect with the cast foot,
The pipe internal pore of the cast foot is filled using welding material.
3. surge protector as described in claim 1, it is characterised in that：The non-linear element be varistor, gap or
Discharge tube.
4. surge protector as described in claim 1, it is characterised in that：The Temperature protection has two or more temperature-sensitives
Foot, the length for being inserted into the temperature-sensitive foot in the cast foot are less than the length of other temperature-sensitive feet.
5. surge protector as described in claim 1, it is characterised in that：The internal diameter of the cast foot and the temperature-sensitive being inserted
The ratio between outer diameter of foot is 1.02-1.2:1.
6. surge protector as described in claim 1, it is characterised in that：The cast foot and the temperature-sensitive foot being inserted are direct
Contact.
7. surge protector as described in claim 1, it is characterised in that：The non-linear element further includes non-linear element sheet
Body and electrode pins, the electrode pins and cast foot are connected on the non-linear element ontology, and the electrode pins are stretched out
The length of the non-linear element ontology stretches out the length of the non-linear element ontology with the temperature-sensitive foot outside the cast foot
The ratio between degree is 0.9-1.1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877747.0U CN207819441U (en) | 2017-12-28 | 2017-12-28 | A kind of surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877747.0U CN207819441U (en) | 2017-12-28 | 2017-12-28 | A kind of surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819441U true CN207819441U (en) | 2018-09-04 |
Family
ID=63327656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877747.0U Active CN207819441U (en) | 2017-12-28 | 2017-12-28 | A kind of surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819441U (en) |
-
2017
- 2017-12-28 CN CN201721877747.0U patent/CN207819441U/en active Active
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