CN106786342A - Circuit protection device - Google Patents
Circuit protection device Download PDFInfo
- Publication number
- CN106786342A CN106786342A CN201510809768.8A CN201510809768A CN106786342A CN 106786342 A CN106786342 A CN 106786342A CN 201510809768 A CN201510809768 A CN 201510809768A CN 106786342 A CN106786342 A CN 106786342A
- Authority
- CN
- China
- Prior art keywords
- contact
- overcurrent protection
- assembly
- component
- weld pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000758 substrate Substances 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 101000669528 Homo sapiens Tachykinin-4 Proteins 0.000 description 2
- OKUGPJPKMAEJOE-UHFFFAOYSA-N S-propyl dipropylcarbamothioate Chemical compound CCCSC(=O)N(CCC)CCC OKUGPJPKMAEJOE-UHFFFAOYSA-N 0.000 description 2
- 102100039365 Tachykinin-4 Human genes 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
-
- 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
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
Include overcurrent protection assembly present invention is disclosed a kind of circuit protection device, overvoltage protection component and substrate, overcurrent protection assembly one end is connected to the first weld pad, overvoltage protection component one end is connected to the second weld pad, the other end of overcurrent protection assembly and the other end of overvoltage protection component connect the 3rd weld pad jointly, first weld pad, second weld pad and the 3rd weld pad are arranged at substrate surface, first weld pad, second weld pad is electrically connected to left electrodes and is electrically connected in the first contact by the first conductive channel, second contact, 3rd weld pad is electrically connected to right electrodes and is electrically connected to the 3rd contact by the second conductive channel；Wherein the first contact, the second contact and the 3rd contact are used for external load to be protected, overcurrent protection assembly is series at load, and overvoltage protection modules in parallel in load.Circuit protection device of the present invention has the advantages that resistance to high power, processing procedure be simple, with low cost and small volume, is particularly suitable for the application of communicator.
Description
【Technical field】
The present invention relates to a kind of circuit protection device, more particularly to overcurrent and overvoltage protection
The circuit protection device of (over-current and over-voltage protection) characteristic.
【Background technology】
Overcurrent protection assembly is used for protection circuit, make it from because overheating or flow through overcurrent and
Damage.Overcurrent protection assembly generally comprises two electrodes and positioned at two interelectrode resistance materials.This electricity
Resistance material tool positive temperature coefficient (Positive Temperature Coefficient；PTC) characteristic, also
Have low-resistance value in room temperature, and working as temperature and rising on critical-temperature or circuit has overcurrent to produce
When raw, its resistance value can jump more than thousands of times at once, that is, trigger, so as to suppress excessive
Electric current passes through, to reach the purpose of circuit protection.There is no mistake after temperature drops back to room temperature or on circuit
During the situation of electric current, overcurrent protection assembly can return back to low resistance state, and make circuit again normal
Operation.This kind of reusable advantage, makes PTC overcurrent protection assemblies replace fuse, and by more
It is widely used on high density electronic circuit.In general, PTC components can be roughly divided into macromolecule again
PTC(Polymeric PTC；) and ceramics (Ceramic PTC PPTC；CPTC) two kinds.PPTC and CPTC
The characteristic of superior resistance to high current is respectively provided with, and is commonly used for overcurrent protection assembly.
Nowadays telecommunication system has turned into the indispensable part of mankind's daily life, such as phone, net
Network and radio communication etc. carry out signal transmission by telecommunication system.Contain metal mostly in telecommunication system
Deng electric conductor to carry out signal conveying, so it often has the possibility being struck by lightning.Thunderbolt will be except that will produce
Outside raw high current, its high voltage is also often the main cause for causing telecommunication system to destroy.Therefore, should
Must possess the double grading of overcurrent protection and overvoltage protection for the protection device of communication environment.
Piezo-resistance and gas-discharge tube (gas discharge tube) they are high resistance state usually, and
When overvoltage occurs, it can be converted into low resistance state in moment, and then by electrical ground, so can
It is high voltage withstanding and be used as overvoltage protection component.
Therefore, become currently used for the communication apparatus with reference to overcurrent protection and overvoltage protection component
The main embodiment of protection device.Traditionally, overcurrent protection and overvoltage protection component are respective
Independent component, it is necessary to connected using multiple handwares, and outer cover working of plastics is fixed and carries
For insulation protection.Additionally, it can concatenate light emitting diode (LED), it is different as overcurrent or overvoltage etc.
The instruction of signal output is used under normal state.Although the protection device structure manufactured using this conventional method
It is simple and with low cost, however its assembling very work consuming when, and volume after combination is larger, and uncomfortable
For the electronic installation of current small.
In addition, current overcurrent and overvoltage protection component also have directly being made using semiconductor technology
Simulated power IC's, but its processing procedure is complicated and costly, and be unfavorable for being widely used in general consumption
Property electronic product.
【The content of the invention】
The present invention provides a kind of circuit protection device, by originally each independent overcurrent protection assembly and
Overvoltage protection component integrated modular, with resistance to high power, processing procedure be simple, with low cost and volume
Small the advantages of, and it is very convenient use, be adapted to communicator application.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of circuit protection device, including mistake
Current protection component and overvoltage protection component, overcurrent protection assembly one end electrically connect the first contact,
Described overvoltage protection component one end electrically connects the second contact, the other end of the overcurrent protection assembly
The 3rd contact is electrically connected jointly with the other end of the overvoltage protection component, and the 3rd contact is one
Shared (common) point.First contact, the second contact and the external load to be protected of the 3rd contact
Or circuit, the overcurrent protection assembly is series at load or circuit to be protected, and it is described excessively electric
Pressure protection modules in parallel is in load to be protected or circuit.
According to the first aspect of the invention, a kind of circuit protection device includes overcurrent protection assembly, mistake
Voltage protection component and substrate, the overcurrent protection assembly and the overvoltage protection component are by institute
State substrate supporting；Wherein described overcurrent protection assembly one end is connected to one first weld pad, described excessively electric
Pressure protection component one end is connected to one second weld pad, the other end of the overcurrent protection assembly and described
The other end of overvoltage protection component connects one the 3rd weld pad, first weld pad, described second jointly
Weld pad and the 3rd weld pad are arranged at the substrate surface, first weld pad, second weld pad
Left electrodes are electrically connected to by the first conductive channel and are electrically connected in the first contact, the second contact,
3rd weld pad is electrically connected to right electrodes and is electrically connected to the 3rd contact by the second conductive channel；
Wherein described first contact, second contact and the 3rd contact are used for external load to be protected,
The overcurrent protection assembly is set to be series at the load, and the overvoltage protection modules in parallel in institute
State load.
According to the second aspect of the invention, a kind of circuit protection device, including an overcurrent protection assembly；
And an overvoltage protection component；One surface of wherein described overvoltage protection component is conductive by first
Layer connects right electrodes and is electrically connected to the 3rd contact, and its another apparent surface is connected by the second conductive layer
It is connected to left electrodes and is electrically connected to the second contact, being provided with one in the overvoltage protection component runs through
Conductive through hole, coat an insulating barrier around the conductive through hole and with overvoltage protection component electricity
Draw last breath edge, the overcurrent protection assembly be connected across the right electrodes and one be located at it is described conductive logical
The target at hole two ends and it is electrically connected in the 3rd contact, first contact, wherein described
One contact, second contact and the external load to be protected of the 3rd contact, make described excessively electric
Stream protection component is series at the load, and the overvoltage protection modules in parallel in the load.
According to the third aspect of the invention we, a kind of circuit protection device, including an overcurrent protection assembly；
And an overvoltage protection component；One surface of wherein described overcurrent protection assembly is conductive by first
Layer connects right electrodes and is electrically connected to the 3rd contact, and its another apparent surface is connected by the second conductive layer
It is connected to left electrodes and is electrically connected to the first contact, being provided with one in the overcurrent protection assembly runs through
Conductive through hole, coat an insulating barrier around the conductive through hole and with overcurrent protection assembly electricity
Draw last breath edge, the overvoltage protection component be connected across the right electrodes and one be located at it is described conductive logical
The target at hole two ends and it is electrically connected in the 3rd contact, second contact；Wherein described
One contact, second contact and the external load to be protected of the 3rd contact, make described excessively electric
Stream protection component is series at the load, and the overvoltage protection modules in parallel in the load.
Further, the overvoltage protection component (can for example be led to using thermal convection current or heat exchange pattern
Cross thermally conductive insulating layer) heat is reached into the overcurrent protection assembly, so as to guide the overcurrent protection
Component is triggered.
Further, the overcurrent protection assembly of the circuit protection device and the overvoltage are protected
Protecting assembly is to produce integrated package form with packing forms.The overcurrent protection assembly can be using height
Molecule positive temperature coefficient component.The overvoltage protection component can be Zener diode or piezo-resistance.
Further, the distance between the target and the right electrodes are more than the middle electricity
The distance between pole and the left electrodes.
Further, the overcurrent protection assembly and the overvoltage protection component can utilize semiconductor
Packing forms (such as TO-220 or TO-263) are formed among the integrated package, and now encapsulation is pulled out
Three pins, respectively as first contact, the second contact and the 3rd contact.
Additionally, the overcurrent protection assembly and the overvoltage protection component can also adopt adhesive surface
(SMD) or chip (chip) form, using weld pad (bonding pad) and bonding wire (wire bonding)
Connect the overcurrent protection assembly and the overvoltage protection component and the contact.
Circuit protection device of the invention has that resistance to high power, processing procedure be simple, cost compared to traditional person
The advantages of cheap and small volume.Overcurrent protection described in modularization and overvoltage protection component, can be significantly
Traditional built-up time is saved, is easy to practical application.
【Brief description of the drawings】
Fig. 1 is the interlock circuit schematic diagram of circuit protection device of the invention；
Fig. 2 is the schematic diagram of one of embodiment of the present invention circuit protection device；
The schematic diagram of one of Fig. 3 A and 3B display embodiment of the present invention circuit protection device；
The schematic diagram of one of Fig. 4 A and 4B display embodiment of the present invention circuit protection device.
Wherein, description of reference numerals is as follows：
10th, 20,30,50 circuit protection device
11st, 27,31,52 overcurrent protection assembly
12nd, 28,32,51 overvoltage protection component
13 loads
14 batteries
21 substrates
22 the 3rd weld pads
23 first weld pads
24 second weld pads
25 first conductive channels
26 second conductive channels
33rd, 53 right electrodes
34th, 54 target
35th, 55 left electrodes
36th, 56 insulating barrier
37th, 57 conductive through hole
38th, 58 first conductive layer
39th, 59 second conductive layer
40th, 60 thermally conductive insulating layer
The contacts of A first
The contacts of B second
The contacts of C the 3rd
【Specific embodiment】
Embodiment one
Fig. 1 is refer to, circuit protection device 10 includes overcurrent protection assembly 11 and overvoltage protection component
12, overcurrent protection assembly 11 is connected with load 13 to be protected, and overvoltage protection component 12 is in parallel
In load 13 to be protected, the 3rd contact C is overcurrent protection assembly 11 and overvoltage protection component 12
Shared point.First contact A, the second contact B connect overcurrent protection assembly 11 and overvoltage protection respectively
The other end of component 12, and the two ends of battery 14 are connected respectively.
Overcurrent protection assembly 11 can be PTC components (such as high molecular PTC component) or fuse, and
Overvoltage protection component 12 can be Zener diode or piezo-resistance.
Refer to Fig. 1, Fig. 2, circuit protection device 20 is modular integrated package form, including mistake
Current protection component 27 and overvoltage protection component 28 are arranged on substrate 21, and one end connects jointly
In on the 3rd weld pad 22, the other end of overcurrent protection assembly 27 is connected on the first weld pad 23, excessively electric
The pressure protection other end of component 28 is connected on the second weld pad 24.Substrate 21 can be pcb board (glass fibers
Dimension plate), ceramic wafer (such as alumina plate) or plastic plate.First weld pad 23 and the second weld pad 24 pass through
First conductive channel 25 is electrically connected to left electrodes end, and is electrically connected to the first contact A, the second contact
B, the 3rd weld pad 22 is then electrically connected to right electrodes end by the second conductive channel 26, and is electrically connected to
3rd contact C.Overvoltage protection component 28 adjacent to overcurrent protection assembly 27, can by thermal convection current or
Heat is reached overcurrent protection assembly 27 by heat exchange pattern, so as to guide overcurrent protection assembly 27 to trigger.
Embodiment two
Fig. 1, Fig. 3 A and 3B are refer to, wherein Fig. 3 B are the top view of Fig. 3 A.Circuit protection device 30,
Right electrodes 33, following table are connected to by the first conductive layer 38 including the upper surface of overvoltage protection component 32
Face is connected to left electrodes 35 by the second conductive layer 39, so as to form series connection overvoltage protection component 32
In the conductive path of the second contact B and the 3rd contact C.Run through conductive through hole in overvoltage protection component 32
37, around it coated insulation layer 36 and with the electric insulation of overvoltage protection component 32.Overcurrent protection group
Part 31 is connected across right electrodes 33 and the target 34 positioned at the top of conductive through hole 37, forms one and concatenates
The overcurrent protection assembly 31 is in the first contact A and the conductive path of the 3rd contact C points.Consequently, it is possible to
Overvoltage protection component 32 and overcurrent protection assembly 31 are connected in parallel to each other, and the 3rd contact C is shared for it
Point.In the present embodiment, thermally conductive insulating layer 40 is arranged at the surface of insulating barrier 36, is particularly at insulating barrier
Between 36 and overcurrent protection assembly 31, can be by heat transfer effectively by overvoltage protection component 32
Heat reach overcurrent protection assembly 31, so as to guide overcurrent protection assembly 31 to trigger.Target
The distance between 34 and right electrodes 33 are more than the distance between target 34 and left electrodes 35,
The thermally conductive insulating layer 40 of larger area is just to provide, to increase heat-conducting effect.In the present embodiment, heat conduction
The thermal conductivity of insulating barrier 40 is more than 1W/m-K, so as to heat transfer can be carried out effectively.Refer to Fig. 3 B, mistake
The width of current protection component 31 can be close to the width of overvoltage protection component 32, to obtain relatively low electricity
Resistance and larger sensible heat area.
Embodiment three
Fig. 1, Fig. 4 A and 4B are refer to, wherein Fig. 4 B are the top view of Fig. 4 A.Circuit protection device 50 is wrapped
Overcurrent protection assembly 52 is included, the upper surface of overcurrent protection assembly 52 is connected by the first conductive layer 58
Right electrodes 53, lower surface connect left electrodes 55 by the second conductive layer 59, so as to formed concatenate
Current protection component 52 is in the conductive path of the first contact A and the 3rd contact C.Overcurrent protection assembly 52
In run through conductive through hole 57, coated insulation layer 56 causes that it is electric with overcurrent protection assembly 52 around it
Insulation.Overvoltage protection component 51 is connected across right electrodes 53 and the centre positioned at the top of conductive through hole 57
Electrode 54, it is logical in the conduction of the second contact B and the 3rd contact C that voltage protection component 51 is taken in formation for a string
Road.Consequently, it is possible to overcurrent protection assembly 52 and overvoltage protection component 51 are connected in parallel to each other, and the 3rd
Contact C is its shared point.In the present embodiment, thermally conductive insulating layer 60 is arranged at the surface of insulating barrier 56, especially
It is to be located between insulating barrier 56 and overvoltage protection component 51, can effectively by overvoltage protection component
Heat is reached overcurrent protection assembly 52 by 51 by heat transfer, so as to guide overcurrent protection assembly 52 to touch
Hair.The distance between target 54 and right electrodes 53 more than target 54 and left electrodes 55 it
Between distance, that is, provide larger area thermally conductive insulating layer 60, to increase heat-conducting effect.This reality
Apply in example, the thermal conductivity of thermally conductive insulating layer 60 is more than 1W/m-K, so as to be enough to effectively carry out heat transfer.
Refer to Fig. 4 B, the width of overvoltage protection component 51 can close to the width of overcurrent protection assembly 52,
To obtain larger sensible heat area.
Circuit protection device of the invention has resistance to high power, processing procedure simple, with low cost and small volume
The advantages of, it is particularly suitable for the application of communicator.
Above-described is only some embodiments of the present invention.For one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made,
These belong to protection scope of the present invention.
Claims (10)
1. a kind of circuit protection device, it is characterised in that：Including
One overcurrent protection assembly；
One overvoltage protection component；And
One substrate, the overcurrent protection assembly and the overvoltage protection component are by the substrate supporting；
Wherein described overcurrent protection assembly one end is connected to one first weld pad, the overvoltage protection group
Part one end is connected to one second weld pad, and the other end of the overcurrent protection assembly and the overvoltage are protected
The other end of protecting assembly connects one the 3rd weld pad, first weld pad, second weld pad and institute jointly
State the 3rd weld pad and be arranged at the substrate surface, first weld pad, second weld pad pass through first
Conductive channel is electrically connected to left electrodes and is electrically connected in the first contact, the second contact, described
Three weld pads are electrically connected to right electrodes and are electrically connected to the 3rd contact by the second conductive channel；
Wherein described first contact, second contact and the 3rd contact are used for external to be protected
Load, makes the overcurrent protection assembly be series at the load, and the overvoltage protection component is simultaneously
It is coupled to the load.
2. circuit protection device as claimed in claim 1, it is characterised in that：The overvoltage protection
Heat is reached the overcurrent protection assembly by component, guides the overcurrent protection assembly triggering.
3. circuit protection device as claimed in claim 1, it is characterised in that：The circuit protection dress
It is modular integrated package form to put.
4. circuit protection device as claimed in claim 1, it is characterised in that：The overcurrent protection
Component uses high molecular positive temperature coefficient component.
5. circuit protection device as claimed in claim 1, it is characterised in that：The overvoltage protection
Component is Zener diode or piezo-resistance.
6. a kind of circuit protection device, it is characterised in that：Including
One overcurrent protection assembly；And
One overvoltage protection component；
One surface of wherein described overvoltage protection component connects right electrodes and electricity by the first conductive layer
The 3rd contact is connected to, its another apparent surface is connected to left electrodes and is electrically connected by the second conductive layer
The second contact is connected to, a conductive through hole for running through is provided with the overvoltage protection component, it is described to lead
Coated around electric through-hole an insulating barrier so as to the overvoltage protection component electric insulation, it is described excessively electric
Stream protection component be connected across the right electrodes and one be located at the conductive through hole two ends target
And be electrically connected in the 3rd contact, the first contact；
Wherein described first contact, second contact and the 3rd contact are external to be protected negative
Carry, the overcurrent protection assembly is series at the load, and the overvoltage protection modules in parallel
In the load.
7. circuit protection device as claimed in claim 6, it is characterised in that：The insulating barrier and institute
State and be provided between overcurrent protection assembly a thermally conductive insulating layer, the overvoltage protection component passes through institute
State thermally conductive insulating layer and heat is reached into the overcurrent protection assembly, guide the overcurrent protection assembly to touch
Hair.
8. circuit protection device as claimed in claim 6, it is characterised in that：The target with
The distance between described right electrodes are more than the distance between the target and described left electrodes.
9. a kind of circuit protection device, it is characterised in that：Including
One overcurrent protection assembly；And
One overvoltage protection component；
One surface of wherein described overcurrent protection assembly connects right electrodes and electricity by the first conductive layer
The 3rd contact is connected to, its another apparent surface is connected to left electrodes and is electrically connected by the second conductive layer
The first contact is connected to, a conductive through hole for running through is provided with the overcurrent protection assembly, it is described to lead
Coated around electric through-hole an insulating barrier so as to the overcurrent protection assembly electric insulation, it is described excessively electric
Pressure protection component be connected across the right electrodes and one be located at the conductive through hole two ends target
And be electrically connected in the 3rd contact, the second contact；
Wherein described first contact, second contact and the 3rd contact are external to be protected negative
Carry, the overcurrent protection assembly is series at the load, and the overvoltage protection modules in parallel
In the load.
10. circuit protection device as claimed in claim 9, it is characterised in that：The insulating barrier and institute
State and be provided between overvoltage protection component a thermally conductive insulating layer, the overvoltage protection component passes through institute
State thermally conductive insulating layer and heat is reached into the overcurrent protection assembly, guide the overcurrent protection assembly to touch
Hair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809768.8A CN106786342A (en) | 2015-11-20 | 2015-11-20 | Circuit protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809768.8A CN106786342A (en) | 2015-11-20 | 2015-11-20 | Circuit protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106786342A true CN106786342A (en) | 2017-05-31 |
Family
ID=58885817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809768.8A Pending CN106786342A (en) | 2015-11-20 | 2015-11-20 | Circuit protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140999A (en) * | 2020-01-20 | 2021-07-20 | 富致科技股份有限公司 | Composite circuit protection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486448A (en) * | 1973-09-14 | 1977-09-21 | Telecommunications Ind | Low voltage protection network |
| CN200990508Y (en) * | 2006-11-06 | 2007-12-12 | 聚鼎科技股份有限公司 | Overcurrent and overvoltage protection integrated block device |
| CN202103416U (en) * | 2011-07-08 | 2012-01-04 | 深圳市长园维安电子有限公司 | Over-current and over-voltage protective integrated module |
| CN104052041A (en) * | 2013-03-14 | 2014-09-17 | 飞兆半导体公司 | Input power protection |
| CN204012692U (en) * | 2014-08-12 | 2014-12-10 | 泰科电子(上海)有限公司 | Circuit brake |
-
2015
- 2015-11-20 CN CN201510809768.8A patent/CN106786342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1486448A (en) * | 1973-09-14 | 1977-09-21 | Telecommunications Ind | Low voltage protection network |
| CN200990508Y (en) * | 2006-11-06 | 2007-12-12 | 聚鼎科技股份有限公司 | Overcurrent and overvoltage protection integrated block device |
| CN202103416U (en) * | 2011-07-08 | 2012-01-04 | 深圳市长园维安电子有限公司 | Over-current and over-voltage protective integrated module |
| CN104052041A (en) * | 2013-03-14 | 2014-09-17 | 飞兆半导体公司 | Input power protection |
| CN204012692U (en) * | 2014-08-12 | 2014-12-10 | 泰科电子(上海)有限公司 | Circuit brake |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113140999A (en) * | 2020-01-20 | 2021-07-20 | 富致科技股份有限公司 | Composite circuit protection device |
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Application publication date: 20170531 |
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