CN207490506U - A kind of small size Surge Protector - Google Patents
A kind of small size Surge Protector Download PDFInfo
- Publication number
- CN207490506U CN207490506U CN201721283529.4U CN201721283529U CN207490506U CN 207490506 U CN207490506 U CN 207490506U CN 201721283529 U CN201721283529 U CN 201721283529U CN 207490506 U CN207490506 U CN 207490506U
- Authority
- CN
- China
- Prior art keywords
- lightning
- connecting pin
- lightning protection
- connect
- protection
- 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.)
- Active
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
A kind of small size Surge Protector disclosed in the utility model, including：One shell；One is arranged on the inner frame in the shell；And one be arranged on lightning protection component on the inner frame, the lightning protection component includes first, second power end, lightning-protection module and mechanical trip mechanism, the lightning-protection module is made of at least one transient diode parallel connection, first dropout connecting pin of the mechanical trip mechanism is connect with first power end, its the second dropout connecting pin is connect by hot fusible material with the first lightning protection connecting pin of the lightning-protection module, and the second lightning protection connecting pin of the lightning-protection module is connect with the second source end.The utility model substitutes varistor using transient diode, under identical parameter, the volume of transient diode is significantly more much smaller than varistor, at the same transient diode also has that the response time is fast, limitation voltage is low, without senile abrasion problem, junction capacity is small, various advantages such as noiseless.
Description
Technical field
The utility model is related to Surge Protector technical field more particularly to a kind of small size Surge Protectors.
Background technology
Surge Protector is also lightning protection device, is that one kind provides safety for various electronic equipments, instrument and meter, communication line
The electronic device of protection.When the interference because of the external world in electric loop either communication line generates peak current or voltage suddenly
When, shunting can be connected in Surge Protector within the extremely short time, so as to which surge be avoided to cause to damage to other electronic equipments in circuit
Evil.
Lightning protection grade can be divided into the protection of first class of protection, second class protection, three-level protective or greater degree in lightning protection circuit.
Protected equipment or the resistance to voltage levels of device are lower, and degree of protection is also higher.Usually require high-grade protection device or
Person's equipment is often more accurate, also higher to requirements such as the volume of surge wave protector, response time, limitation voltages.Commonly
Surge Protector use the combination of varistor and Thermal Cutoffs that can not meet well various as lightning protection circuit
Performance requirement.Simultaneously because the limitation of volume, technical staff has to lightning protection component is voluntarily selected to carry out group in some cases
It closes, technical staff is needed to have higher professional knowledge in this way, otherwise can increase the uncertainty and risk of entire circuit or product.
For this purpose, applicant carried out beneficial exploration and trial, result of the above problems, technology described below are had found
Scheme generates in this background.
Utility model content
Technical problem to be solved in the utility model：There is provided in view of the deficiencies of the prior art it is a kind of meet it is small,
Response time is fast, limitation voltage is low, the small size Surge Protector of the characteristics such as noiseless.
Following technical scheme may be used to realize in the technical issues of the utility model solves：
A kind of small size Surge Protector, including：
One shell；
One is arranged on the inner frame in the shell；And
One is arranged on the lightning protection component on the inner frame, and the lightning protection component includes first, second power end, prevents
Thunder module and mechanical trip mechanism, the lightning-protection module are made of at least one transient diode parallel connection and have the first lightning protection
Connecting pin and the second lightning protection connecting pin, the mechanical trip mechanism have the first dropout connecting pin and the second dropout connecting pin, institute
The the first dropout connecting pin for stating mechanical trip mechanism is connect with first power end, and the second dropout connecting pin is disconnected by heating
Material is connect with the first lightning protection connecting pin of the lightning-protection module, the second lightning protection connecting pin and described second of the lightning-protection module
Power end connects；When the lightning-protection module by multiple surge impact when damaging failure, the hot fusible material can be because of electricity
Temperature anomaly in road and fuse, the mechanical trip mechanism causes the first anti-of its second dropout connecting pin and the lightning-protection module
Thunder connecting pin is detached from.
In a preferred embodiment of the utility model, the lightning protection component further includes a ground terminal and a gas is put
Fulgurite, one end of the gas-discharge tube are connect with the second lightning protection connecting pin of the lightning-protection module, and the other end connects with described
Ground terminal connects.
In a preferred embodiment of the utility model, the shell includes a base board and a rectangle cap, institute
Rectangle cap is stated to be removably mounted on the base board.
In a preferred embodiment of the utility model, vertical spacing is provided with several positioning on the base board
Pin, it is in one-to-one correspondence and the positioning that cooperates that several several positioning pins with the base board are offered on the inner frame
Location hole.
In a preferred embodiment of the utility model, first, second power end of the lightning protection component and ground connection
It holds the base board across the shell and exposes on the base board of the shell.
In a preferred embodiment of the utility model, the mechanical trip mechanism includes conductive sheet, sliding block and bullet
Spring, the first dropout connecting pin of one end of the conductive sheet as the mechanical trip mechanism, the other end is as the machinery
The sliding block is withstood and by the spring compression, made by the second dropout connecting pin of tripping mechanism, the conductive sheet after mounting
It obtains the spring and is in contraction state.
As a result of technical solution as above, the beneficial effects of the utility model are：
1st, the lightning protection component of the utility model substitutes varistor, under identical parameter, wink using transient diode
The volume of state diode is significantly more much smaller than varistor, while transient diode also has that the response time is fast, limitation voltage is low, nothing
Senile abrasion problem, junction capacity be small, various advantages such as noiseless.
2nd, the mechanical trip mechanism of the utility model replaces Thermal Cutoffs as circuit brake, in tripping mechanism
On, mechanical trip mechanism belongs to directly-heated using hot fusible material and threads off, and will be better than temperature in terms of stability and response speed
The indirect heat of fuse is threaded off；On processing method, Thermal Cutoffs for avoid itself damaged, deformation to welding process requirement compared with
Height, and wave-soldering is not easy, and mechanical trip mechanism is then relatively low to welding process requirement, cooperation wave-soldering can be mass-produced.
3rd, the utility model can select that PCB is not used to complete being directly connected to for circuit, so as to further reduce surge
The volume of protector；The prior art is generally built on PCB with dispersive element, can not be used mechanical trip mechanism, can only be used
Fuse types of devices disjunction, such as general insurance silk, temperature sensitive kinds fuse, current or voltage sensitive kinds fuse.
4th, transient diode application scheme Highgrade integration is advantageously reduced technical staff because to lightning protection by the utility model
Knowledge is insufficient and designs risk caused by the factors such as scattered lightning protection component collocation improper use, and technology door can be greatly lowered
Sill and design cost make product have reliable safeguard measure.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the explosive view of the utility model.
Fig. 2 is the bottom view of the inner frame of the utility model.
Fig. 3 is a kind of circuit diagram of embodiment of the lightning protection component of the utility model.
Fig. 4 is the circuit diagram in another embodiment of the lightning protection component of the utility model.
Specific embodiment
In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1 and Fig. 2, what is provided in figure is a kind of small size Surge Protector, including shell 100, inner frame 200 with
And lightning protection component 300.Shell 100 include a base board 110 and a rectangle cap 120, rectangle cap 120 by buckle,
The modes such as screw are removably mounted on base board 110.
Referring to Fig. 3 and combine that Fig. 1 and Fig. 2, Fig. 3 provide be lightning protection component 300 a kind of embodiment circuit theory
Figure, lightning protection component 300 is arranged on inner frame 200, lightning protection component 300 include power end J1, J2, lightning-protection module M1 and
Mechanical trip mechanism Q1.
Lightning-protection module M1 is located on the front of inner frame 200, and mechanical trip mechanism Q1 is located on the back side of inner frame 200,
Power end J1, J2 are located on the back side of inner frame 200 and at the inner frames 200 along its length position of both sides.Lightning protection mould
Block M1 is made of two individual event transient diode TVS1, TVS2 parallel connections, and wherein the one of two individual event transient diodes TVS1, TVS2
First connecting pin of a parallel connected end as lightning-protection module M1, second connection end of another parallel connected end as lightning-protection module M1.
Mechanical trip mechanism Q1 includes conductive sheet 310, sliding block 320 and spring 330, and one end of conductive sheet 310 is as machinery
The first dropout connecting pin of tripping mechanism Q1, second dropout connecting pin of the other end as mechanical trip mechanism Q1, conductive sheet
Sliding block 320 is withstood and compresses spring 330 by 310 after mounting so that spring 330 is in contraction state.
During normal work, the lightning-protection module M1 being connected between two level power supplies plays the role of differential mode protection；When by multiple
Surge impact makes lightning-protection module M1 damage failures, and exception occurs in temperature in circuit at this time, and hot fusible material can melt, spring 330
Restoring reset condition makes the further open-top conductive sheet 310 of sliding block 320；Thus it is disconnected the company of power end J1 and lightning-protection module M1
It connects, short circuit phenomenon occur in the equipment or device for preventing both ends of power.
Referring to Fig. 4 and combine that Fig. 1 and Fig. 2, Fig. 4 provide be lightning protection component 300 another embodiment circuit it is former
Reason figure, the embodiment and embodiment shown in Fig. 3 difference lies in：Lightning protection component 300 further includes a ground terminal J3 and a gas
Body discharge tube GDT1, lightning-protection module M1 are composed in parallel by TVS0 to TVSn (" 1+n ") a two-way transient diode, n double item winks
First connecting pin of the one of parallel connected end of state diode TVS0 to TVSn as lightning-protection module M1, another parallel connected end are made
Second connection end for lightning-protection module M1.Ground terminal J3 is located on the back side of inner frame 200 and is located at inner frame 200 along width side
To side.Gas-discharge tube is located on the front of inner frame 200 and positioned at the side of lightning-protection module M1, gas-discharge tube GDT1
One end connect with the second connection end of lightning-protection module M1, the other end is connect with ground terminal J3.
Power end J1, J2 and ground terminal J3 of lightning protection component 300 pass through the base board 110 of shell 100 and expose shell
On 100 base board 110.
For the ease of carrying out installation positioning to inner frame 200, vertical spacing is provided on the base board 110 of shell 100
Two positioning pins 111, opened up on inner frame 200 there are two with two positioning pins 111 of base board 110 in corresponding simultaneously
Cooperate the location hole 210 positioned.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, 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 small size Surge Protector, which is characterized in that including：
One shell；
One is arranged on the inner frame in the shell；And
One is arranged on the lightning protection component on the inner frame, and the lightning protection component includes first, second power end, lightning protection mould
Block and mechanical trip mechanism, the lightning-protection module are made of at least one transient diode parallel connection and have the first lightning protection connection
End and the second lightning protection connecting pin, the mechanical trip mechanism have the first dropout connecting pin and the second dropout connecting pin, the machine
First dropout connecting pin of tool tripping mechanism is connect with first power end, and the second dropout connecting pin passes through hot fusible material
It is connect with the first lightning protection connecting pin of the lightning-protection module, the second lightning protection connecting pin and the second source of the lightning-protection module
End connection；When the lightning-protection module by multiple surge impact when damaging failure, the hot fusible material can be because in circuit
Temperature anomaly and fuse, the mechanical trip mechanism causes the first lightning protection of its second dropout connecting pin and the lightning-protection module to connect
End is connect to be detached from.
2. small size Surge Protector as described in claim 1, which is characterized in that further include one in the lightning protection component and connect
Ground terminal and a gas-discharge tube, one end of the gas-discharge tube are connect with the second lightning protection connecting pin of the lightning-protection module,
The other end is connect with the ground terminal.
3. small size Surge Protector as claimed in claim 2, which is characterized in that the shell includes a base board and one
Rectangle cap, the rectangle cap are removably mounted on the base board.
4. small size Surge Protector as claimed in claim 3, which is characterized in that vertical spacing is set on the base board
There are several positioning pins, it is in correspond simultaneously phase that several several positioning pins with the base board are offered on the inner frame
The mutually location hole of cooperation positioning.
5. small size Surge Protector as claimed in claim 4, which is characterized in that the first, second of the lightning protection component
Power end and ground terminal pass through the base board of the shell and expose on the base board of the shell.
6. the small size Surge Protector as described in any one of claim 1 to 5, which is characterized in that the mechanical trip machine
Structure includes conductive sheet, sliding block and spring, and one end of the conductive sheet is threaded off as the first of the mechanical trip mechanism to be connected
End, second dropout connecting pin of the other end as the mechanical trip mechanism, the conductive sheet is after mounting by the sliding block
It withstands and by the spring compression so that the spring is in contraction state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721283529.4U CN207490506U (en) | 2017-09-30 | 2017-09-30 | A kind of small size Surge Protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721283529.4U CN207490506U (en) | 2017-09-30 | 2017-09-30 | A kind of small size Surge Protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490506U true CN207490506U (en) | 2018-06-12 |
Family
ID=62479488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721283529.4U Active CN207490506U (en) | 2017-09-30 | 2017-09-30 | A kind of small size Surge Protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207490506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645158A (en) * | 2017-09-30 | 2018-01-30 | 上海欣丰电子有限公司 | A kind of small size Surge Protector |
| CN110416971A (en) * | 2019-09-06 | 2019-11-05 | 深圳市槟城电子有限公司 | A kind of onboard surge protection device |
| CN112398108A (en) * | 2020-12-02 | 2021-02-23 | 辰硕电子(九江)有限公司 | Current surge-proof protector with over-temperature protection for high-voltage piezoresistor |
-
2017
- 2017-09-30 CN CN201721283529.4U patent/CN207490506U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645158A (en) * | 2017-09-30 | 2018-01-30 | 上海欣丰电子有限公司 | A kind of small size Surge Protector |
| CN110416971A (en) * | 2019-09-06 | 2019-11-05 | 深圳市槟城电子有限公司 | A kind of onboard surge protection device |
| CN112398108A (en) * | 2020-12-02 | 2021-02-23 | 辰硕电子(九江)有限公司 | Current surge-proof protector with over-temperature protection for high-voltage piezoresistor |
| CN112398108B (en) * | 2020-12-02 | 2022-11-25 | 辰硕电子(九江)有限公司 | Current surge-proof protector with over-temperature protection for high-voltage piezoresistor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207490506U (en) | A kind of small size Surge Protector | |
| US8786995B2 (en) | Surge current suppressing circuit | |
| CN207251200U (en) | A kind of protection circuit of smart home power supply lightning surge | |
| CN204089152U (en) | A kind of Zener type intrinsic safety electric source overload protecting circuit | |
| CN101350516A (en) | Circuit and method for protecting energy storage apparatus | |
| CN203859338U (en) | Power strip inhibiting surge voltage and current | |
| CN107645158A (en) | A kind of small size Surge Protector | |
| CN206516631U (en) | Prevent the protection device and electronic system of static discharge | |
| CN206481055U (en) | Lightning protection device | |
| CN202535065U (en) | Comprehensive surge protector of monitoring system | |
| CN212231073U (en) | Overcurrent protection circuit with alarming and time-delay self-recovery functions | |
| CN204391699U (en) | A kind of current foldback circuit based on triode | |
| CN202076791U (en) | Large-current surge protector of power supply module | |
| CN208849442U (en) | A kind of power interface protection circuit and the video camera with it | |
| CN207353838U (en) | A kind of guard grating | |
| CN106774589A (en) | Stable-pressure device and guard method, communication bus supply unit | |
| CN202633933U (en) | Surge protector circuit of low-voltage power supply | |
| CN203734279U (en) | Single-phase power source protector having surge indication function | |
| CN204792666U (en) | Fuse -element malfunction alerting ware | |
| CN204833033U (en) | Monitoring type constant voltage power supply | |
| CN205790759U (en) | A kind of power lightning protection socket | |
| CN218865993U (en) | Current detection circuit with protection | |
| CN204967242U (en) | Constant voltage power supply can be monitored to wide applicability's three -terminal | |
| CN209675935U (en) | A kind of surge protection device | |
| CN209497301U (en) | The wireless charging circuit of burn-out-proof machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |