CN207320806U - A kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature - Google Patents
A kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature Download PDFInfo
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- CN207320806U CN207320806U CN201721375743.2U CN201721375743U CN207320806U CN 207320806 U CN207320806 U CN 207320806U CN 201721375743 U CN201721375743 U CN 201721375743U CN 207320806 U CN207320806 U CN 207320806U
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- copper foil
- fixedly connected
- alloy
- pin
- overcurrent
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Abstract
The utility model discloses one kind tool overvoltage,Overcurrent,The integrated block protector of excess temperature,Including shell,Inner casing,Inner casing is provided with the shell,The first copper foil laterally set is provided with the shell,First copper foil is fixedly connected with one end of the 3rd outer pin,The first copper foil side is fixedly connected with zinc oxide chip,The opposite side of the zinc oxide chip is fixedly connected with the second copper foil,Second copper foil is fixedly connected with one end of interior pin,And the other end of the interior pin is fixedly connected with alloy,Special fat is provided with the outside of the alloy,Alloy,Special fat is arranged in inner casing,The other end of alloy is fixedly connected with one end of pin in first,The other end of pin is fixedly connected with the 3rd copper foil in first,This kind of integrated block protector,It is with overvoltage,Overcurrent and the interrelated integrated package in one of excess temperature,It is easy to assembly,The protection of all kinds of parts of covering board,With very high safety coefficient,It is applied widely.
Description
Technical field
The utility model is related to integrated block protector technical field, more particularly, to it is a kind of have overvoltage, overcurrent, excess temperature collection
Into block protector.
Background technology
Traditional protector, is all single current protection, or temperature protection, or voltage protection, or simply according to returning
Road is assembled on circuit, does not carry out modularization, or only part modularization, respectively protects device not have interrelated, or only part
Association, easily in components aging, loses single protective effect, so as to lose the defencive function to equipment or complete machine.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of to have overvoltage, overcurrent, excess temperature
Integrated block protector, has overvoltage, overcurrent and the interrelated integrated package in one of excess temperature, easy to assembly, covers circuit
The protection of all kinds of parts of plate, so as to solve the above problems.
To achieve the above object, the utility model provides following technical solution：It is a kind of have overvoltage, overcurrent, excess temperature integrate
Block protector, including shell, inner casing, are provided with inner casing in the shell, the first bronze medal laterally set are provided with the shell
Paper tinsel, first copper foil are fixedly connected with one end of the 3rd outer pin, and the first copper foil side is fixedly connected with zinc oxide core
Piece, the opposite side of the zinc oxide chip are fixedly connected with the second copper foil, and second copper foil is fixedly connected with the one of interior pin
End, and the other end of the interior pin is fixedly connected with alloy, and special fat is provided with the outside of the alloy, the alloy, special fat are equal
It is arranged in inner casing, the other end of the alloy is fixedly connected with one end of pin in first, and pin is another in described first
End is fixedly connected with the 3rd copper foil, and the side of the 3rd copper foil is welded with high molecular material chip, the high molecular material core
Piece opposite side is welded with the 4th copper foil, and the 4th copper foil is fixedly connected with one end of the first outer pin, the alloy interposition
The one end for being welded with the second outer pin is put, silica gel is filled with the shell, the shell side is provided with cover sheet, described outer
Epoxy resin is provided between shell and cover sheet.
As a kind of optimal technical scheme of the utility model, first copper foil outside the 3rd by welding with drawing
One end of foot is fixedly connected, and first copper foil is fixedly connected by welding with zinc oxide chip.
As a kind of optimal technical scheme of the utility model, the interior pin both ends are by welding with second
Copper foil is fixedly connected with alloy, and second copper foil is fixedly connected by welding with zinc oxide chip.
As a kind of optimal technical scheme of the utility model, in described first, the both ends of pin are by welding
It is fixedly connected with the 3rd copper foil and alloy.
As a kind of optimal technical scheme of the utility model, the 4th copper foil outside first by welding with drawing
Foot is fixedly connected.
As a kind of optimal technical scheme of the utility model, the length of the cover sheet is less than the length of shell.
Compared with prior art, the beneficial effects of the utility model are：By the zinc oxide chip of setting in microsecond rank
Umklappen is conducting state in time, so that circuit voltage is imported ground wire, protects circuit, when over-current state occurs,
High molecular material chip-resistance state moment by it is low be converted into high when so that cut-off loop, protective loop, when overvoltage condition occurs
When, when the temperature that protector is experienced reaches the fusing point of alloy, alloy shrinks balling-up under the fluxing action of special fat, so that
Cut-off loop, reaches overheat protector function, and overheat protector, overcurrent and overvoltage are to interact, this kind of integrated block protector, its
With overvoltage, overcurrent and the interrelated integrated package in one of excess temperature, easy to assembly, the guarantor of all kinds of parts of covering board
Shield, has very high safety coefficient, applied widely.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is a kind of tool overvoltage described in the utility model, overcurrent, the integrated package protector structure schematic diagram of excess temperature；
Fig. 2 is a kind of tool overvoltage described in the utility model, overcurrent, the integrated block protector circuit diagram of excess temperature；
Fig. 3 is a kind of tool overvoltage described in the utility model, the integrated block protector excess temperature action protection signal of overcurrent, excess temperature
Figure.
In figure：1st, shell；2nd, the first copper foil；3rd, zinc oxide chip；4th, the second copper foil；5th, inner casing；6th, the 3rd copper foil；7th, it is high
Molecular material chip；8th, the 4th copper foil；9th, the first outer pin；10th, epoxy resin；11st, cover sheet；12nd, pin in first；13、
Alloy；14th, the second outer pin；15th, special fat；16th, pin in second；17th, the 3rd outer pin；18th, silica gel.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：It is a kind of to have overvoltage, overcurrent, the integrated package guarantor of excess temperature
Protecting device, including shell 1, inner casing 5, are provided with inner casing 5 in shell 1, are provided with the first copper foil 2 laterally set in shell 1, first
Copper foil 2 is fixedly connected with one end of the 3rd outer pin 17, and 2 side of the first copper foil is fixedly connected with zinc oxide chip 3, zinc oxide core
The opposite side of piece 3 is fixedly connected with the second copper foil 4, and the second copper foil 4 is fixedly connected with one end of interior pin 16, and interior pin 16
The other end is fixedly connected with alloy 13, and the outside of alloy 13 is provided with special fat 15, and alloy 13, special fat 15 are arranged in inner casing 5, close
The other end of gold 13 is fixedly connected with one end of pin 12 in first, and the other end of pin 12 is fixed with the 3rd copper foil 6 in first
Connection, the side of the 3rd copper foil 6 are welded with high molecular material chip 7, and 7 opposite side of high molecular material chip is welded with the 4th copper foil
8, the 4th copper foil 8 is fixedly connected with one end of the first outer pin 9, and 13 centre position of alloy is welded with the one of the second outer pin 14
End, shell 1 is interior to be filled with silica gel 18, and 1 side of shell is provided with cover sheet 11, epoxy is provided between shell 1 and cover sheet 11
Resin 10.
The one end of first copper foil 2 by welding with the 3rd outer pin 17 is fixedly connected, and the first copper foil 2 and oxidation
Zinc chip 3 is fixedly connected by welding, interior 16 both ends of pin by welding with the second copper foil 4 and alloy 13
It is fixedly connected, and the second copper foil 4 is fixedly connected by welding with zinc oxide chip 3, the both ends of pin 12 are equal in first
Be fixedly connected by welding with the 3rd copper foil 6 and alloy 13, the 4th copper foil 8 by welding with the first outer pin
9 are fixedly connected, and the length of cover sheet 11 is less than the length of shell 1.
Concrete principle：In use, all components be installed on shell 1 in, 3 both ends of zinc oxide chip respectively with the first copper foil
2 and second copper foil 4 weld, 16 both ends of pin are welded with the second copper foil 4 and alloy 13 respectively in second, the two of pin 12 in first
End is welded with 13 and the 3rd copper foil 6 of alloy respectively, and the 3rd copper foil 6 and the 4th bronze medal is respectively welded in the both ends of high molecular material chip 7
Paper tinsel 8, terminals of the 3rd outer pin 17 as power ground with the welding of the first copper foil 2, outside first welded with the 4th copper foil 8
Pin 9 is used as output terminal, is used as power firestreak input terminal with the second outer pin 14 that alloy 13 welds, cover sheet 11 is as lid
Son, epoxy resin 10 is used for sealing, and during normal operating conditions, high molecular material chip 7 is conducting, and zinc oxide chip 3 is not
Conducting, when load circuit works normally, power firestreak enters from the second outer pin 14, passes through pin in alloy 13, first
12nd, the 3rd copper foil 6, high molecular material chip 7, the 4th copper foil 8 and the first outer pin 9 form conducting circuit.
When there is electric current overrate, i.e., over-current state occurs, and 7 moment of high molecular material chip is by low resistance state
Be converted into high resistance state, so as to cut off circuit, protect circuit, at this time, zinc oxide chip 3 still for not on-state,
When there is voltage overrate, i.e., overvoltage condition occurs, at this time the umklappen within the microsecond rank time of zinc oxide chip 3
For conducting state, so that circuit voltage is imported ground wire, circuit is protected, when the temperature that protector is experienced reaches alloy 13
During fusing point, alloy 13 shrinks balling-up, so that cut-off loop, reaches overheat protector function, excess temperature under the fluxing action of special fat 15
Protection, overcurrent and overvoltage are interactions, and when overcurrent or overvoltage, high molecular material chip 7 or zinc oxide chip 3 also exist
The state of fever, if high molecular material chip 7 or zinc oxide chip 3 use for a long time, when aging performance occurs, it is possible to lost
Stream or over-voltage protecting function, but its fever can continue to exist, and at this moment as terminal protection, cut-off loop, was carried out overheat protector
The function that pressure is converted to overheat protector is flowed through, such interaction, has prevented any type of Problem of Failure.
By the zinc oxide chip 3 of setting, umklappen is conducting state within the microsecond rank time, so that circuit electricity
Pressure imports ground wire, protects circuit, when over-current state occurs, the 7 resistance states moment of high molecular material chip of setting is by low
When being converted into high, so that cut-off loop, protective loop, when overvoltage condition occurs, when the temperature that protector is experienced reaches conjunction
During the fusing point of gold 13, alloy 13 shrinks balling-up, so that cut-off loop, reaches overheat protector work(under 15 fluxing actions of special fat
Can, overheat protector, overcurrent and overvoltage are interactions, this kind of integrated block protector, it is with overvoltage, overcurrent and excess temperature
The interrelated integrated package in one, easy to assembly, the protection of all kinds of parts of covering board, has very high safety coefficient,
It is applied widely.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature, including shell（1）, inner casing（5）, it is characterised in that it is described
Shell（1）Inside it is provided with inner casing（5）, the shell（1）Inside it is provided with the first copper foil laterally set（2）, first copper foil
（2）It is fixedly connected with the 3rd outer pin（17）One end, first copper foil（2）Side is fixedly connected with zinc oxide chip（3）,
The zinc oxide chip（3）Opposite side be fixedly connected with the second copper foil（4）, second copper foil（4）Draw in being fixedly connected with
Foot（16）One end, and the interior pin（16）The other end and alloy（13）It is fixedly connected, the alloy（13）Outside is set
There is special fat（15）, the alloy（13）, special fat（15）It is arranged at inner casing（5）It is interior, the alloy（13）The other end fix connect
It is connected to pin in first（12）One end, pin in described first（12）The other end and the 3rd copper foil（6）It is fixedly connected, it is described
3rd copper foil（6）Side be welded with high molecular material chip（7）, the high molecular material chip（7）Opposite side is welded with
Four copper foils（8）, the 4th copper foil（8）It is fixedly connected with the first outer pin（9）One end, the alloy（13）Weld in centre position
It is connected to the second outer pin（14）One end, the shell（1）It is interior to be filled with silica gel（18）, the shell（1）Side is provided with envelope
Cover plate（11）, the shell（1）With cover sheet（11）Between be provided with epoxy resin（10）.
2. a kind of tool overvoltage according to claim 1, overcurrent, the integrated block protector of excess temperature, it is characterised in that described the
One copper foil（2）By welding with the 3rd outer pin（17）One end be fixedly connected, and first copper foil（2）With oxidation
Zinc chip（3）It is fixedly connected by welding.
3. a kind of tool overvoltage according to claim 1, overcurrent, the integrated block protector of excess temperature, it is characterised in that in described
Pin（16）Both ends by welding with the second copper foil（4）And alloy（13）It is fixedly connected, and second copper foil（4）
With zinc oxide chip（3）It is fixedly connected by welding.
4. a kind of tool overvoltage according to claim 1, overcurrent, the integrated block protector of excess temperature, it is characterised in that described the
Pin in one（12）Both ends by welding with the 3rd copper foil（6）And alloy（13）It is fixedly connected.
5. a kind of tool overvoltage according to claim 1, overcurrent, the integrated block protector of excess temperature, it is characterised in that described the
Four copper foils（8）By welding with the first outer pin（9）It is fixedly connected.
6. a kind of tool overvoltage according to claim 1, overcurrent, the integrated block protector of excess temperature, it is characterised in that the envelope
Cover plate（11）Length be less than shell（1）Length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375743.2U CN207320806U (en) | 2017-10-24 | 2017-10-24 | A kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721375743.2U CN207320806U (en) | 2017-10-24 | 2017-10-24 | A kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207320806U true CN207320806U (en) | 2018-05-04 |
Family
ID=62382345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721375743.2U Active CN207320806U (en) | 2017-10-24 | 2017-10-24 | A kind of tool overvoltage, overcurrent, the integrated block protector of excess temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207320806U (en) |
-
2017
- 2017-10-24 CN CN201721375743.2U patent/CN207320806U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.6, Hongjian Road, jiaomei Town, Taiwan investment zone, Zhangzhou City, Fujian Province, 363000 Patentee after: Zhangzhou Yabao Electronics Co.,Ltd. Address before: 363007 Hongjian Industrial Zone, Longchi Development Zone, Zhangzhou City, Fujian Province Patentee before: ZHANGZHOU YABAO ELECTRONIC Co.,Ltd. |
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| CP03 | Change of name, title or address |