CN206099331U - Circuit board is with big through -flow power surge protection device - Google Patents
Circuit board is with big through -flow power surge protection device Download PDFInfo
- Publication number
- CN206099331U CN206099331U CN201620941065.0U CN201620941065U CN206099331U CN 206099331 U CN206099331 U CN 206099331U CN 201620941065 U CN201620941065 U CN 201620941065U CN 206099331 U CN206099331 U CN 206099331U
- Authority
- CN
- China
- Prior art keywords
- resistance
- piezo
- remote signalling
- protection device
- elastic contact
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
-
- 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
- H02H3/20—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 voltage
Abstract
The utility model discloses a circuit board is with big through -flow power surge protection device, include: go up casing and drain pan down, go up the casing and formed components and parts down between the drain pan and hold the chamber, hold the intracavity at components and parts and be provided with piezo -resistor and remote signalling alarm device parts, solve present surge protection device and be difficult to the present technological and dimensional requirement scheduling problem small -size and miniature basic station that satisfies, can satisfy that the power wholly integrates, the needs of volume miniaturization, power maximize.
Description
Technical field
The utility model belongs to power supply surging prevention field, more particularly to a kind of circuit board through-flow power supply Anti-surging greatly
Protector.
Background technology
As communications industry is developed rapidly, the fast development of mobile terminal and mobile Internet business is to mobile network
Evolution propose new challenge, the research and development of application and 5G networks especially with 4G networks, traditional mobile base station technology and
Deployment way can not meet the day by day vigorous data traffic requirement of people.Mobile base station is just presenting trend toward miniaturization, more
Continue to bring out come more deep coverings, the easily low miniaturization base station products of deployment, energy consumption.
As electronic component is increasingly to miniaturization, integrated development, for high-density arrangement element circuitry plate is in area
Limited space, especially limit in the height direction it is very big in the case of, traditional power supply surge protection device is far from
The development need of prior art can be met.It is as the same thus, small-sized and femto cell is due to small volume in communications industry, it is interior
Portion's lightning protection requirement is higher, and lightning protection device volume is also less, and original track installation formula lightning protection device (Surge Protector) can not meet
Prior art and dimensional requirement.
Utility model content
Utility model purpose：In order to solve problems of the prior art, the utility model provides a kind of circuit board and uses
Big through-flow power supply surge protection device, disclosure satisfy that power supply over all Integration, volume miniaturization, the maximized needs of power.
Technical scheme：To achieve these goals, circuit board of the present utility model through-flow power supply surge protection device greatly
Including：Upper shell and lower drain pan, between upper shell and lower drain pan component accommodation chamber is defined, and is arranged in component accommodation chamber
There are piezo-resistance and remote signalling warning device feature；The piezo-resistance integral coating in the inside of are-tight housing, the are-tight shell
One end connection gas-discharge tube of body；Two side electrodes of the piezo-resistance respectively with the second current bar, the first current bar
Welded using low temperature scolding tin, formed hot trip point；The remote signalling warning device feature includes two parts, respectively positioned at pressure
The both sides of quick resistance, and be dielectrically separated from the piezo-resistance by the inner casing that insulate；One side electrode of the piezo-resistance
Also it is connected with the remote signalling warning device feature positioned at opposite side by the first cable and the second cable.
Wherein, two parts of the remote signalling warning device feature include：First elastic contact chip, arc piece and bullet
Spring, one end of spring is fixed, other end connection arc piece；Part positioned at the piezo-resistance wherein side also includes second
Elastic contact chip, before not threading off, the limit of first elastic contact chip and the second elastic contact chip in corresponding side arc piece
It is connected with each other under position；Part positioned at opposite side also includes the first remote signalling pin and the second remote signalling pin, before not threading off,
First elastic contact chip and the second remote signalling pin corresponding side arc piece it is spacing under interconnect；Do not threading off
Before, positioned at piezo-resistance side the first elastic contact chip, the second elastic contact chip are electric by first cable and second
Connect into back between cable and the first elastic contact chip positioned at piezo-resistance opposite side, the first remote signalling pin, the second remote signalling pin
Road.
Beneficial effect：Circuit board in the utility model adopts pressure-sensitive electricity with big through-flow power supply surge protection device, inside
Resistance and gas-discharge tube connection in series-parallel full protection circuit pattern, and with remote signalling output function, and small volume, it is easy to welding peace
Dress；Using phase and phase, the relative neutral conductor and over the ground between multiple protective form, and the signal that heat is threaded off passes through remote signalling report
Alarm device is exported；Using low residual voltage circuit, the protection level that reached can product, it is ensured that terminal device is damaged from overvoltage
It is bad；Designed using Anti-spraying arc simultaneously, can effectively pass through high-current test.
Description of the drawings
Fig. 1 is the semi-cutaway of the big through-flow power supply surge protection device of circuit board in the utility model；
Fig. 2 is the exploded view of the big through-flow power supply surge protection device of circuit board in the utility model；
Fig. 3 is the exploded view of piezo-resistance and its accessory；
Fig. 4 is the left sectional view before the dropout of remote signalling warning device feature；
Fig. 5 is the right sectional view before the dropout of remote signalling warning device feature；
Fig. 6 is the left sectional view after the dropout of remote signalling warning device feature；
Fig. 7 is the right sectional view after the dropout of remote signalling warning device feature；
Fig. 8 is the circuit diagram of the big through-flow power supply surge protection device of circuit board in the utility model.
Specific embodiment：
The utility model is described in further detail with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1, the circuit board in 2 are included with big through-flow power supply surge protection device：Upper shell 1 and lower drain pan 9, upper shell 1
Component accommodation chamber is defined and lower drain pan 9 between, piezo-resistance 12 and remote signalling warning dress are provided with component accommodation chamber
Part is put, remote signalling warning device feature is divided into two parts, respectively positioned at the left and right side of piezo-resistance 12, and respectively by exhausted
Edge inner casing 10 is dielectrically separated from piezo-resistance 12.Above-mentioned upper shell 1, lower drain pan 9 and insulation inner casing 10 are using industrial flame retardant grade
Insulating materials, because such material has various shapes, impact resistance, while and ensureing and circuit during the product use
Electric property with safe insulation between plate, machinability is well again safe and reliable.Integrally-built arrangement makes full use of space,
So that space-saving is maximized.
As shown in figure 3, above-mentioned piezo-resistance 12 can be made up of monolithic, biplate or more pieces of pressure sensitive parallel stack, thereon,
It is below whole face large electrode, are-tight housing 3 includes upper and lower two housings, is individually positioned in the above and below of piezo-resistance 12, resistance to
Upper and lower two housings of arc housing 3 are fixed together and pass through elastic spring respectively or be mounted directly on piezo-resistance 12
Upper and lower large electrode face, it is ensured that conducting, in one end connection gas-discharge tube 11 (corresponding pressure-sensitive electricity in Fig. 2 of are-tight housing 3
The rear side of resistance 12), gas-discharge tube 11 is connected with external ground pin (PE), can be adopted between the upper and lower casing of are-tight housing 3
With being connected using securing member 2 as shown in Figure 2, it would however also be possible to employ buckle clamping is connected using welding manner, are-tight housing 3 and gas
The connection of body discharge tube 11 can be connected as shown in Figure 2 using securing member 2, it would however also be possible to employ crimping or the mode welded connect
Connect；The integral coating of piezo-resistance 12 can effectively pass through cranking test in the inside of are-tight housing 3, prevent spray arc from causing
The damage of shell, the material of are-tight housing 3 is metal material or resistant to elevated temperatures non-metallic material.The left surface of piezo-resistance 12
Electrode is welded with the second current bar 13 using low temperature scolding tin, and the electrode of right flank and the first current bar 8 adopt low temperature scolding tin
Welded, formed hot trip point, the first current bar 8 is connected outside L/N (live wire/zero line) pin with the second current bar 13；Pressure
The electrode of the right flank of quick resistance 12 is also by the first cable 4 and the second cable 6 and the remote signalling warning device portion being located on the left of it
Part connects.
Two parts of remote signalling warning device feature include：First elastic contact chip 14, arc piece 7 and spring 5, arc
A limiting part and a pushing mechanism are provided with piece 7, one end of spring 5 is fixed, other end connection arc piece 7；It is located at
The part in the left side of piezo-resistance 12 also includes the second elastic contact chip 17, as shown in figure 4, before not threading off, first is elastic
Contact chip 14 and the second elastic contact chip 17 arc piece 7 limiting part it is spacing under interconnect；Positioned at pressure-sensitive
The part on the right side of resistance 12 also includes the first remote signalling pin 15 and the second remote signalling pin 16, as shown in figure 5, not threading off it
Before, the first elastic contact chip 14 and the second remote signalling pin 16 arc piece 7 limiting part it is spacing under interconnect；
The first elastic contact chip 14, the second elastic contact chip 17 positioned at the left side of piezo-resistance 12 is by the first cable 4 and the second cable 6
Connect with the first elastic contact chip 14 positioned at the right flank of piezo-resistance 12, between the first remote signalling pin 15, the second remote signalling pin 16
It is connected into loop.
When in use, any hot trip point is logical due to overvoltage of being struck by lightning in circuit for power supply surge protection device of the present utility model
Cross piezo-resistance to be discharged, if piezo-resistance because overload cause it is overheated after conduct heat to the heat that eutectic welding connects and thread off
Point, after uniform temperature is reached, the scolding tin of hot trip point melts threads off.As shown in Figure 6,7, when any trip point occurs to take off
In the case of button, the arc piece 7 positioned at the left and right sides of piezo-resistance 12 is promoted forward in the presence of the thrust of spring 5, thereon
Pushing mechanism is by the first current bar 8, the electrode separation of the second current bar 13 and piezo-resistance 12 and continues to drive both to transport forward
It is dynamic, thoroughly disconnect the first current bar 8, the path between the second current bar 13 and piezo-resistance 12；Meanwhile, positioned at piezo-resistance 12
First elastic contact chip 14 of the left and right sides upspring in the presence of its own resilient due to losing being constrained in for arc piece 7, is broken respectively
The connection with the second elastic contact chip 17, the second remote signalling pin 16 is opened, external output alarm signal illustrates that the product is existing pressure-sensitive
Resistance failure.
Structure in Fig. 1 to 7 realizes the circuit structure shown in Fig. 8, and the circuit in Fig. 8 is using syntype protection electricity
Road, (L-N, L/N-PE) claims circuit, can freely install with waiting, and wherein L/N-PE concatenates GDT using MOV piezo-resistances (12)
Gas-discharge tube (11) is protected, and has the advantages that big through-flow, low residual voltage, without afterflow, using the protection of MOV piezo-resistances between L-N
Suppress surge, there is big through-flow, low residual voltage, without afterflow.
, arbitrarily all the way in the event of overvoltage, hot trip point is because overvoltage of being struck by lightning in circuit is by pressure for L-PE/N-PE/L-N
Quick resistance is discharged, if piezo-resistance because overload cause it is overheated after conduct heat to the hot trip point that eutectic welding is connected,
After uniform temperature is reached, hot trip point scolding tin melts trip gear can cutoff circuit；Meanwhile, distal end (Remote) output is reported
Alert signal, shows pressure responsive resistor failure.
It should be noted that the up, down, left, right, before and after of piezo-resistance 12 is relative in Fig. 2 in the present embodiment
Space arrangement position, not absoluteness.
Claims (6)
1. a kind of circuit board is with big through-flow power supply surge protection device, it is characterised in that include：Upper shell (1) and lower drain pan
(9), component accommodation chamber is defined between upper shell (1) and lower drain pan (9), in component accommodation chamber piezo-resistance is provided with
And remote signalling warning device feature (12)；Piezo-resistance (12) integral coating in the inside of are-tight housing (3), the are-tight shell
One end connection gas-discharge tube (11) of body (3)；Two side electrodes of the piezo-resistance (12) respectively with the second current bar
(13), the first current bar (8) is welded using low temperature scolding tin, forms hot trip point；The remote signalling warning device feature includes
Two parts, respectively positioned at the both sides of piezo-resistance (12), and are insulated by the inner casing (10) that insulate with the piezo-resistance (12)
Isolation；One side electrode of the piezo-resistance (12) also by the first cable (4) and the second cable (6) and is located at opposite side
Remote signalling warning device feature connection.
2. circuit board according to claim 1 is with big through-flow power supply surge protection device, it is characterised in that the remote signalling report
Two parts of alarm device part include：First elastic contact chip (14), arc piece (7) and spring (5), the one of spring (5)
End is fixed, other end connection arc piece (7)；Part positioned at the piezo-resistance (12) wherein side also includes that second is elastic
Contact chip (17), before not threading off, first elastic contact chip (14) and the second elastic contact chip (17) corresponding side every
Arc piece (7) it is spacing under be connected with each other；Also include that the first remote signalling pin (15) and the second remote signalling are drawn positioned at the part of opposite side
Pin (16), before not threading off, first elastic contact chip (14) is with the second remote signalling pin (16) in corresponding side arc piece (7)
It is spacing under interconnect；Before not threading off, the first elastic contact chip (14) positioned at piezo-resistance (12) side,
Second elastic contact chip (17) is by first cable (4) and the second cable (6) and is located at piezo-resistance (12) opposite side
Loop is connected between first elastic contact chip (14), the first remote signalling pin (15), the second remote signalling pin (16).
3. circuit board according to claim 1 and 2 is with big through-flow power supply surge protection device, it is characterised in that described resistance to
Arc housing (3) is connected or using crimping or welding manner connection with gas-discharge tube (11) using securing member (2).
4. circuit board according to claim 1 and 2 is with big through-flow power supply surge protection device, it is characterised in that described resistance to
Arc housing (3) includes upper and lower two housings, by elastic spring or is mounted directly on the piezo-resistance (12) respectively
Upper and lower electrode surface.
5. circuit board according to claim 4 is with big through-flow power supply surge protection device, it is characterised in that the are-tight shell
Upper and lower two housings of body (3) are connected using securing member (2).
6. circuit board according to claim 4 is with big through-flow power supply surge protection device, it is characterised in that the are-tight shell
Upper and lower two housings of body (3) are connected using buckle clamping or using welding manner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620941065.0U CN206099331U (en) | 2016-08-25 | 2016-08-25 | Circuit board is with big through -flow power surge protection device |
| DE202017104366.5U DE202017104366U1 (en) | 2016-08-25 | 2017-07-21 | Protection device against current source overvoltage in case of heavy current transmission for use with a printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620941065.0U CN206099331U (en) | 2016-08-25 | 2016-08-25 | Circuit board is with big through -flow power surge protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099331U true CN206099331U (en) | 2017-04-12 |
Family
ID=58470171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620941065.0U Expired - Fee Related CN206099331U (en) | 2016-08-25 | 2016-08-25 | Circuit board is with big through -flow power surge protection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206099331U (en) |
| DE (1) | DE202017104366U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123975A (en) * | 2017-06-01 | 2017-09-01 | 安徽金力电气技术有限公司 | A kind of onboard surge protector |
| CN108173256A (en) * | 2018-01-12 | 2018-06-15 | 上海欣丰电子有限公司 | A kind of onboard surge protection device of bipolarity |
| CN109888758A (en) * | 2019-02-19 | 2019-06-14 | 成都标定科技有限责任公司 | A kind of single-phase PCB type power source surge protector of 40kA |
-
2016
- 2016-08-25 CN CN201620941065.0U patent/CN206099331U/en not_active Expired - Fee Related
-
2017
- 2017-07-21 DE DE202017104366.5U patent/DE202017104366U1/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123975A (en) * | 2017-06-01 | 2017-09-01 | 安徽金力电气技术有限公司 | A kind of onboard surge protector |
| CN108173256A (en) * | 2018-01-12 | 2018-06-15 | 上海欣丰电子有限公司 | A kind of onboard surge protection device of bipolarity |
| CN109888758A (en) * | 2019-02-19 | 2019-06-14 | 成都标定科技有限责任公司 | A kind of single-phase PCB type power source surge protector of 40kA |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202017104366U1 (en) | 2017-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20190825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |