CN205544253U - Two disconnect -type piezo -resistor or gas discharge tube surge protector - Google Patents
Two disconnect -type piezo -resistor or gas discharge tube surge protector Download PDFInfo
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- CN205544253U CN205544253U CN201620172345.XU CN201620172345U CN205544253U CN 205544253 U CN205544253 U CN 205544253U CN 201620172345 U CN201620172345 U CN 201620172345U CN 205544253 U CN205544253 U CN 205544253U
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- varistor
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Abstract
The utility model relates to a two disconnect -type piezo -resistor or gas discharge tube surge protector. It has a piezo -resistor or gas discharge tube and one rather than folding a temperature sensing box pile together, piezo -resistor or gas discharge tube's a device pin stretch into in the temperature sensing box with the temperature sensing box in the low -melting -point alloy silk establish ties, the slider structure is kept apart in the fusing that still is equipped with the low -melting -point alloy silk in this temperature sensing box. The low -melting -point alloy silk have and is melting two separation performance that when disconnection conglobulate to the both sides solder joint, burr when this performance can reduce the disconnection of alloy silk, the arc was drawn in the reduction probability, and simultaneously, slider isolation mechanism can move when the low -melting -point alloy silk fuses, separate two alloy balls that conglobulate, thoroughly avoided drawing the arc between two balls. Tripping device compares with the low temperature solder joint, and it has, and the action is reliable, simple structure and the be convenient for advantage of installation.
Description
Technical field
This utility model relates to a kind of surge protector, especially a kind of double separate type varistors or gas
Body discharge tube surge protector.
Background technology
Varistor and gas bleeder pipe are usually used in the surge protection of electric equipment, during surge protection, and will
Varistor or gas-discharge tube are connected on by the two ends of protection appliances power source, when surge occurs in both ends of power
During voltage, varistor or gas-discharge tube stand this and present low resistive state, the surge thus short circuit is released
Electric current, plays the protective effect to electric equipment.But varistor or gas-discharge tube are through one section
Time there will be deterioration after using, and easily generates heat and spontaneous combustion during deterioration, therefore once occur that deterioration just must
Protection circuit must be immediately exited from.In order to learn the deterioration of varistor in time and avoid because of deterioration heating
Spontaneous combustion, such protector frequently be a kind of low temperature solder joint tripping mechanism, this tripping mechanism low temperature
Solder joint experiences varistor or the gas-discharge tube temperature of self-heating when deterioration, when this temperature makes low
During temperature solder joint fusing, tripping mechanism is threaded off immediately, i.e. by the connection of protection electrical equipment and varistor (i.e.
Low temperature solder joint) disconnect, thus prevent from continuing to generate heat and spontaneous combustion, and provide deterioration instruction.This dropout
The major defect of mechanism is: low temperature solder joint is difficult to poly-ball when fusing, adds the drawstring of dropout shell fragment,
Easily form burr, thus cause arcing, add the probability of varistor spontaneous combustion, to this end, design
In must take into the problem of arc extinguishing, furthermore, whether which kind of tripping mechanism, its structure is the most complex,
Implement relatively cumbersome, and be difficult to install.
Utility model content
The purpose of this utility model is for the shortcoming in prior art, it is provided that a kind of double separate types are pressure-sensitive
Resistance or gas-discharge tube surge protector, in the hope of on the premise of reliable in action, not arcing, again can
Simplify structure, be easily installed.
For achieving the above object, the first technical scheme of the present utility model is as follows:
It has a varistor or a gas-discharge tube, described varistor or gas discharge
Pipe is respectively provided with two device pins, and it is characterized in that: it also has a temperature-sensitive capsule, this temperature-sensitive capsule
Together with stacking with described varistor and gas-discharge tube, described varistor or a gas are put
One device pin of fulgurite stretches in temperature-sensitive capsule, and their another device pin is as this protector
Pin draw, in this temperature-sensitive capsule, be provided with a pair supporting rack, on this pair supporting rack place one or
Many low-melting alloy silks, one end of described low-melting alloy silk and described varistor or gas discharge
Pipe stretch in temperature-sensitive capsule device pin electrical connection, the described low-melting alloy silk other end with stretch into temperature-sensitive
Another this protector pin electrical connection in box, is provided with in the space between the pair of supporting rack
One fusing isolation slide block mechanism, this fusing isolation slide block mechanism is made up of a spring and a slide block,
Described slide block is inverted U-shaped frame, and is connected with a spring lead in the middle part of this inverted U-shaped frame, described
Spring housing on this spring lead.
The technical scheme that this utility model improves further is as follows:
Described temperature-sensitive capsule inner chamber is divided into upper and lower by the upper surface of two described supporting racks and slide block
Two chambeies, epicoele is fusing chamber, drips pouring or coated portion cosolvent at this fusing intracavity, and cavity of resorption is resistance
Combustion chamber, pours into silicone rubber at this fire-retardant intracavity.
By technique scheme it can be seen that this utility model have employed a kind of low-melting alloy silk,
This B alloy wire has when fusing disconnects to glomerate pair of separating property of both sides solder joint, and this feature can
To reduce burr when B alloy wire disconnects, thus reduce the probability of arcing；In order to thoroughly avoid arcing,
This utility model arranges a slide block interrupter at the middle part of this B alloy wire, when B alloy wire fuses,
Two glomerate alloying pellets are separated, thoroughly avoid arcing between two balls by slide block action.Again
Person, uses slide block mechanism more simply too much than tripping mechanism.Therefore, with low temperature solder joint tripping mechanism phase
Ratio, this utility model possesses reliable in action, thoroughly prevents arcing from burning, and simple in construction, be easy to peace
The advantage of dress.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of varistor surge protector.
Fig. 2 is the overall structure schematic diagram opening temperature-sensitive capsule protecgulum.
Fig. 3 is the circuit theory diagrams of this varistor surge protector.
Fig. 4 is the overall structure schematic diagram of gas-discharge tube surge protector.
Detailed description of the invention
Embodiment 1
See Fig. 1,2, it has a varistor (1) and temperature-sensitive capsule (2), this varistor
One device pin (1-1) is drawn as a pin of this protector, another device pin (1
-2) stretch in temperature-sensitive capsule (2), in this temperature-sensitive capsule, be provided with a pair supporting rack (3), at this pair
Place one or more low-melting alloy silk (4) on supporting rack, one end of this low-melting alloy silk with stretch
The device pin (1-2) entering the varistor in temperature-sensitive capsule electrically connects, and described low-melting alloy silk is another
One end electrically connects, at the pair of supporting leg with another this protector pin (5) stretched in temperature-sensitive capsule
Being provided with a fusing isolation slide block mechanism in space between frame, this fusing isolation slide block mechanism is by one
Spring (6) and slide block (7) composition, described slide block is inverted U-shaped frame, and at inverted U-shaped frame
Middle part is connected with a spring lead (7-1), and described spring (6) is enclosed within this spring lead.
Seeing Fig. 3, described varistor (1) and low-melting alloy silk (4) are series relationship, make
Used time, the two of this protector pins (1-1,5) are connected on by positive and negative the two of protection device power supply (DPS)
End.When surge voltage occurs in both ends of power, varistor stands this and presents low resistive state, thus short-circuit
Release surge current, play the protective effect to electric equipment.Referring back to Fig. 2, if varistor
(1) deterioration adstante febre, its heat can pass through device pin (1-2) and be delivered to low-melting alloy silk (4)
On, when this heat makes low-melting alloy silk melt, low-melting alloy silk disconnects, and to two end pads
Conglobulating, this moment, slide block (7), under the effect of spring (6), pops up, and will be polymerized to ball
Two solder joints of shape separate, thus thoroughly prevent the arcing between breakpoint, meanwhile, and pressure-sensitive electricity
Circuit is exited in resistance, does not continues to heating.It can be seen that the simple in construction of this slide block mechanism,
It is easily achieved and installs.In order to the fusing making low-melting alloy silk poly-ball effect more preferably and further prevents
Varistor spontaneous combustion, described temperature-sensitive capsule inner chamber passes through two described supporting racks (3) and slide block (7)
Upper surface be divided into upper and lower two chambeies, epicoele (8) for fusing chamber, this fusing intracavity drip pouring or be coated with
Covering part cosolvent, can promote low-melting alloy silk poly-ball when fusing, cavity of resorption (9) is fire-retardant chamber,
Pour into silicone rubber at this fire-retardant intracavity, fire-retardant effect can be played.
Embodiment 2
Seeing Fig. 4, on the basis of embodiment 1, varistor therein can also replace to a gas
Body discharge tube (10), a device pin (11) of this gas-discharge tube is as the pin of this protector
Drawing, another device pin stretches into temperature-sensitive capsule, after connecting with the low-melting alloy silk in temperature-sensitive capsule,
Being drawn by the pin (5) of another this protector, the internal structure of temperature-sensitive capsule is same as in Example 1.
Described gas-discharge tube has the surge protection characteristic similar to varistor, i.e. works as gas-discharge tube
During the voltage superpressure at two ends, gas-discharge tube can breakdown electric discharge, and present low-resistance characteristic, thus put
Fall surge current, play a protective role, when gas-discharge tube occurs deterioration heating to reach low-temperature alloy silk
During fusing point, temperature-sensitive capsule action, make this protector exit by protection circuit, its work process and embodiment 1
Identical.Gas-discharge tube is possible to prevent the impact of bigger surge current, and varistor is possible to prevent relatively
The impact of little surge current, the two purposes is the same.
Claims (2)
- null1. double separate type varistors or gas-discharge tube surge protector，It has a varistor (1) or a gas-discharge tube (10)，Described varistor (1) or gas-discharge tube (10) are respectively provided with two device pins，It is characterized in that: it also has a temperature-sensitive capsule (2)，Together with this temperature-sensitive capsule stacks with described varistor and gas-discharge tube，One device pin of described varistor (1) or a gas-discharge tube (10) stretches in temperature-sensitive capsule，Their another device pin is drawn as this protector pin，A pair supporting rack (3) it is provided with in this temperature-sensitive capsule，This pair supporting rack is placed one or more low-melting alloy silk (4)，The device pin that one end of described low-melting alloy silk is stretched in temperature-sensitive capsule with described varistor (1) or gas-discharge tube (10) electrically connects，The described low-melting alloy silk other end electrically connects with another this protector pin (5) stretched in temperature-sensitive capsule，A fusing isolation slide block mechanism it is provided with in space between the pair of supporting rack，This fusing isolation slide block mechanism is made up of a spring (6) and a slide block (7)，Described slide block is inverted U-shaped frame，And in the middle part of this inverted U-shaped frame, it is connected with a spring lead (7-1)，Described spring (6) is enclosed within this spring lead.
- The most according to claim 1 pair of separate type varistor or gas-discharge tube surge protector; it is characterized in that: described temperature-sensitive capsule inner chamber is divided into upper and lower two chambeies by the upper surface of two described supporting racks (3) and slide block (7); epicoele (8) is fusing chamber; pouring or coated portion cosolvent is dripped at this fusing intracavity; cavity of resorption (9) is fire-retardant chamber, pours into silicone rubber at this fire-retardant intracavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172345.XU CN205544253U (en) | 2016-03-07 | 2016-03-07 | Two disconnect -type piezo -resistor or gas discharge tube surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172345.XU CN205544253U (en) | 2016-03-07 | 2016-03-07 | Two disconnect -type piezo -resistor or gas discharge tube surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544253U true CN205544253U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620172345.XU Active CN205544253U (en) | 2016-03-07 | 2016-03-07 | Two disconnect -type piezo -resistor or gas discharge tube surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544253U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783906A (en) * | 2018-07-26 | 2020-02-11 | Ripd知识产权发展有限公司 | Surge protection device, circuit, module and system comprising surge protection device, circuit and module |
| CN112888248A (en) * | 2021-01-11 | 2021-06-01 | 李相杰 | Network machine room high-temperature early warning power-off device |
-
2016
- 2016-03-07 CN CN201620172345.XU patent/CN205544253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783906A (en) * | 2018-07-26 | 2020-02-11 | Ripd知识产权发展有限公司 | Surge protection device, circuit, module and system comprising surge protection device, circuit and module |
| CN112888248A (en) * | 2021-01-11 | 2021-06-01 | 李相杰 | Network machine room high-temperature early warning power-off device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |