CN202586325U - Lightning-protection surge-proof power source protection device - Google Patents
Lightning-protection surge-proof power source protection device Download PDFInfo
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- CN202586325U CN202586325U CN 201220219853 CN201220219853U CN202586325U CN 202586325 U CN202586325 U CN 202586325U CN 201220219853 CN201220219853 CN 201220219853 CN 201220219853 U CN201220219853 U CN 201220219853U CN 202586325 U CN202586325 U CN 202586325U
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- protection module
- surge
- transient suppression
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Abstract
The utility model provides a lightning-protection surge-proof power source protection device. The power source protection device comprises the following components of: a primary lightning protection module connected with a socket; resistors connected to both ends of the primary lightning protection module respectively; and a protection module for connecting a power bus, wherein the protection module comprises transient voltage suppressors, a capacitor and an inductor which are connected with each other, the protection module is connected to the resistors through the transient voltage suppressors, and the transient voltage suppressors are connected with the power bus through the capacitor and the inductor which are connected with each other. Thought the primary lightning protection module, the power source protection device of the utility model realizes primary lightning protection, and a well-performed protection circuit which is formed by the resistors, the transient voltage suppressors, the inductor and a capacitor filter can protect a circuit behind the resistors from being damaged, realizing a lightning-protection and surge-proof function.
Description
Technical field
The utility model relates to a kind of apparatus for protecting power supply, relates in particular to the apparatus for protecting power supply of the anti-surge of a kind of lightning protection.
Background technology
Existing monitoring product; Comprise that clipping the ball, video camera etc. have the circuit of communication function; Do not relate to even generally all do the anti-surge safeguard measure of lightning protection or done protection, the protection effect of the anti-surge of its lightning protection is also very poor, is merely able to realize some simple protections; Make power supply and follow-up circuit easily owing to reasons such as operate miss, thunderbolt cause damage, cannot guarantee its security reliability.
Summary of the invention
The utility model technical problem to be solved is the apparatus for protecting power supply that the anti-surge of a kind of lightning protection need be provided, and the protection power supply avoids receiving the influence of thunderbolt, surge, improves its security reliability.
To this, the utility model provides the apparatus for protecting power supply of the anti-surge of a kind of lightning protection, comprising:
The elementary lightning-protection module that is connected with socket;
Resistance, said resistance is connected to the two ends of elementary lightning-protection module respectively; And,
Be used to be connected to the protection module of power bus; Said protection module comprises interconnective Transient Suppression Diode, electric capacity and inductance; Said protection module is connected to said resistance through Transient Suppression Diode, and said Transient Suppression Diode is connected to power bus through interconnective electric capacity and inductance.
Wherein, Said elementary lightning-protection module is connected with socket; Said socket can be the contact pin socket, and said elementary lightning-protection module is realized elementary lightning protection effect through anti-thunder tube, and said anti-thunder tube is gas discharge tube again; Be encapsulated in by a pair of cold cloudy plate that leaves each other and be filled with certain inert gas, as be filled with in glass tube or the earthenware of argon gas and form; Said resistance includes two resistance, and these two resistance are connected to the two ends of elementary lightning-protection module, and when the power supply misconnection was on this loop, circuit and power supply with the protection back were broken off in a meeting in these two resistance; To realize lightning protection, anti-surge circuit, said Transient Suppression Diode is also claimed Transient Voltage Suppressor to said protection module through Transient Suppression Diode, electric capacity and inductance, and promptly Transient Voltage Suppressor is called for short TVS, can antistatic; The protection module that the utility model is connected through Transient Suppression Diode, electric capacity and inductance; Circuit or the device damage that can avoid the glitch owing to thunderbolt, misconnection or electric current and voltage to produce; And realized the effect of filtering protection; Protect the follow-up circuit of resistance well, can realize the beneficial effect of the anti-surge of lightning protection.
Compared with prior art; The advantage of the utility model is; Realized elementary lightning protection effect through elementary lightning-protection module; Form good protective circuit through resistance, Transient Suppression Diode, inductance and capacitor filtering again, the follow-up circuit of protective resistance is not damaged, and has realized the apparatus for protecting power supply of the anti-surge of lightning protection.
The further improvement of the utility model is that said elementary lightning-protection module comprises ceramic discharge tube.
The effective ceramic enclosed package of said ceramic discharge, inner metal electrode by two or more band gaps fills with inert gas such as argon gas, neon and constitutes; When the voltage that is added to two electrode tips reached the gas breakdown that makes in the gas discharge tube, gas discharge tube began discharge, becomes Low ESR by high impedance; Surge voltage is short-circuited near no-voltage rapidly, and overcurrent is released into ground, thereby subsequent conditioning circuit is played a protective role; Preferably, said ceramic discharge tube is the electrostatic ceramic discharge tube.
The further improvement of the utility model is, also comprises the fuse and the Transient Suppression Diode that are connected with power bus, and said power bus is connected to the control end of power supply through fuse and Transient Suppression Diode.Preferably, said fuse is a resettable fuse.
The utility model couples together through fuse and the Transient Suppression Diode control end with power bus and power supply; Make the communication interface of power bus can lightning protection on the basis of anti-surge, more than the protective circuit that cooperatively interacts of fuse and Transient Suppression Diode, and then realize safer power protection; Said fuse is preferably resettable fuse; Protection to power supply is very comprehensive, can recover, and can be used under the various environment.
The further improvement of the utility model is that said power bus is the RS485 bus, and said protection module is connected to the RS485 bus through interconnective electric capacity and inductance.
Said power bus is the RS485 bus, and when power supply was received the communication port of 485 buses, the back protection module and the fuse of resistance can play a very good protection, and has well realized the effect of the anti-surge of lightning protection, guarantees the operate as normal of 485 bus communication mouths.
The further improvement of the utility model is; Said elementary lightning-protection module two ends respectively are connected with a resistance; The output of said resistance is connected to the two ends of the Transient Suppression Diode of said protection module, and two Transient Suppression Diodes that are connected in series of this Transient Suppression Diode and other are in parallel.Said protection module has adopted 3 Transient Suppression Diodes to realize comprehensively protection.
The further improvement of the utility model is that in the said protection module, interconnective electric capacity and inductance comprise the electric capacity and the inductor filter loop of two-way symmetry, the electric capacity and the neutral earthing of inductor filter loop of said two-way symmetry.
The beneficial effect of the utility model is; Realized elementary lightning protection effect through elementary lightning-protection module, formed good protective circuit through resistance, Transient Suppression Diode, inductance and capacitor filtering again, the follow-up circuit of protective resistance is not damaged; Realized the apparatus for protecting power supply of the anti-surge of lightning protection; On this basis, can also cooperatively interact, and then further realize protection power supply through fuse and Transient Suppression Diode.
Description of drawings
Fig. 1 is the operation principle structural representation of the utility model embodiment 1;
Fig. 2 is the operation principle structural representation of the utility model embodiment 2;
Fig. 3 is the applied environment operation principle structural representation of the utility model embodiment 3.
Embodiment
Below in conjunction with accompanying drawing, the more excellent embodiment of the utility model is done further detailed description.
Embodiment 1:
As shown in Figure 1, this example provides the apparatus for protecting power supply of the anti-surge of a kind of lightning protection, comprising:
The elementary lightning-protection module 101 that is connected with socket;
Be used to be connected to the protection module 103 of power bus; Said protection module 103 comprises interconnective Transient Suppression Diode, electric capacity and inductance; Said protection module 103 is connected to said resistance 102 through Transient Suppression Diode, and said Transient Suppression Diode is connected to power bus through interconnective electric capacity and inductance.
Wherein, Said elementary lightning-protection module 101 is connected with socket; Said socket can be the contact pin socket, and said elementary lightning-protection module 101 is realized elementary lightning protection effect through anti-thunder tube, and said anti-thunder tube is gas discharge tube again; Be to be encapsulated in by a pair of cold cloudy plate that leaves each other to be filled with certain inert gas, like what form in the glass tube of Ar or the earthenware; Said resistance 102 includes two resistance 102, and these two resistance 102 are connected to the two ends of elementary lightning-protection module 101, and when the power supply misconnection was on this loop, circuit and power supply with the protection back were broken off in a meeting in these two resistance 102; Said protection module 103 passes through Transient Suppression Diode, electric capacity and inductance to realize lightning protection, anti-surge circuit; Said Transient Suppression Diode is also claimed Transient Voltage Suppressor; Be Transient Voltage Suppressor, be called for short TVS, the protection module 103 that this example is connected through Transient Suppression Diode, electric capacity and inductance; Circuit or the device damage that can avoid the glitch owing to thunderbolt, misconnection or electric current and voltage to produce; And realized the effect of filtering protection, and protected the follow-up circuit of resistance 102 well, can realize the beneficial effect of the anti-surge of lightning protection.
Compared with prior art; This routine advantage is; Realized elementary lightning protection effect through elementary lightning-protection module 101; Form good protective circuit through resistance 102, Transient Suppression Diode, inductance and capacitor filtering again, protective resistance 102 follow-up circuit are not damaged, and have realized the apparatus for protecting power supply of the anti-surge of lightning protection.
The further improvement of this example is that said elementary lightning-protection module 101 adopts ceramic discharge tube.
The effective ceramic enclosed package of said ceramic discharge, inner metal electrode by two or more band gaps fills with inert gas such as argon gas, neon and constitutes; When the voltage that is added to two electrode tips reached the gas breakdown that makes in the gas discharge tube, gas discharge tube began discharge, becomes Low ESR by high impedance; Surge voltage is short-circuited near no-voltage rapidly, and overcurrent is released into ground, thereby subsequent conditioning circuit is played a protective role; Preferably, said ceramic discharge tube is the electrostatic ceramic discharge tube.
As shown in Figure 1, elementary lightning-protection module 101 is connected to resistance R 49 and resistance R 50 through ceramic discharge tube ARR2, and after being used for protecting, Transient Suppression Diode TVS4 is in parallel with Transient Suppression Diode TVS2 that is connected in series and Transient Suppression Diode TVS3; Capacitor C 1, inductance L 1 and capacitor C 2 serial connections form the loop of electric capacity and inductor filter, and capacitor C 3, inductance L 2 and capacitor C 4 serial connections form the electric capacity of another symmetry and the loop of inductor filter, and filtering exports RS485A and RS485B to.Continuous circuit and power supply; Resistance R 49 and resistance R 50 are connected to the two ends of Transient Suppression Diode TVS4.
This example is through repeatedly with after the lightning surge interference simulator test; The communication of finding power bus can operate as normal; At the communication interface of the alternating voltage of 24V being received power bus; Have only the resistance of a 2R to damage as finding behind the communication interface of RS485 bus, the chip circuit of back is out of question, has so just proved the cost of the operate miss that this example can reduce greatly.
Embodiment 2:
On the basis of embodiment 1, this example also comprises fuse 104 and the Transient Suppression Diode that is connected with power bus, and said power bus is connected to the control end of power supply through fuse 104 and Transient Suppression Diode.Preferably, said fuse 104 is a resettable fuse 104.
This example couples together through fuse 104 and the control end of Transient Suppression Diode with power bus and power supply; Make the communication interface of power bus lightning protection preventing on the basis of surge; More than the protective circuit that cooperatively interacts of fuse 104 and Transient Suppression Diode; And then realize safer power protection, and perfect, with not having problem in any environment.
The further improvement of this example is that said power bus is the RS485 bus, and said protection module 103 is connected to the RS485 bus through interconnective electric capacity and inductance.
Said power bus is the RS485 bus; When power supply is received the communication port of 485 buses; The back protection module 103 and the fuse 104 of protective resistance 102 can play a very good protection, and have well realized the effect of the anti-surge of lightning protection, guarantee the operate as normal of 485 bus communication mouths.
As shown in Figure 2, the RS485A of RS485 bus and RS485B are connected to Transient Suppression Diode through fuse 104 respectively, and said fuse 104 is RF1 and RF2, and said Transient Suppression Diode is TVS51 and TVS52.
Embodiment 3:
On the basis of embodiment 2; The said elementary lightning-protection module of this example 101 two ends respectively are connected with a resistance 102; The output of said resistance 102 is connected to the two ends of the Transient Suppression Diode of said protection module 103, and two Transient Suppression Diodes that are connected in series of this Transient Suppression Diode and other are in parallel.Said protection module 103 has adopted 3 Transient Suppression Diodes to realize comprehensively protection.
It is as shown in Figure 3 that this example is applied to the fundamental diagram of power protecting circuit, and this routine said protection module 103 is connected through the RS485 bus with fuse 104.
The further improvement of this example is that in the said protection module 103, interconnective electric capacity and inductance comprise the electric capacity and the inductor filter loop of two-way symmetry, the electric capacity and the neutral earthing of inductor filter loop of said two-way symmetry.
This routine beneficial effect is; Realized elementary lightning protection effect through elementary lightning-protection module 101, formed good protective circuit through resistance 102, Transient Suppression Diode, inductance and capacitor filtering again, protective resistance 102 follow-up circuit are not damaged; Realized the apparatus for protecting power supply of the anti-surge of lightning protection; On this basis, can also cooperatively interact through fuse 104 and Transient Suppression Diode, and then further realize protection power supply.
The embodiment of the above is the preferred embodiments of the utility model; It is not the practical implementation scope that limits the utility model with this; The scope of the utility model comprises and is not limited to this embodiment that all shapes according to the utility model, the equivalence that structure is done change all in the protection range of the utility model.
Claims (6)
1. the apparatus for protecting power supply of the anti-surge of lightning protection is characterized in that, comprising:
The elementary lightning-protection module that is connected with socket;
Resistance, said resistance is connected to the two ends of elementary lightning-protection module respectively; And,
Be used to be connected to the protection module of power bus; Said protection module comprises interconnective Transient Suppression Diode, electric capacity and inductance; Said protection module is connected to said resistance through Transient Suppression Diode, and said Transient Suppression Diode is connected to power bus through interconnective electric capacity and inductance.
2. the apparatus for protecting power supply of the anti-surge of lightning protection according to claim 1 is characterized in that said elementary lightning-protection module comprises ceramic discharge tube.
3. the apparatus for protecting power supply of the anti-surge of lightning protection according to claim 1; It is characterized in that; Also comprise the fuse and the Transient Suppression Diode that are connected with power bus, said power bus is connected to the control end of power supply through fuse and Transient Suppression Diode.
4. the apparatus for protecting power supply of the anti-surge of lightning protection according to claim 3 is characterized in that said fuse is a resettable fuse.
5. according to the apparatus for protecting power supply of the anti-surge of any described lightning protection of claim 1 to 4, it is characterized in that said power bus is the RS485 bus, said protection module is connected to the RS485 bus through interconnective electric capacity and inductance.
6. prevent the apparatus for protecting power supply of surge according to any described lightning protection of claim 1 to 4; It is characterized in that; Said elementary lightning-protection module two ends respectively are connected with a resistance; The output of said resistance is connected to the two ends of the Transient Suppression Diode of said protection module, and two Transient Suppression Diodes that are connected in series of this Transient Suppression Diode and other are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219853 CN202586325U (en) | 2012-05-16 | 2012-05-16 | Lightning-protection surge-proof power source protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220219853 CN202586325U (en) | 2012-05-16 | 2012-05-16 | Lightning-protection surge-proof power source protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586325U true CN202586325U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220219853 Expired - Fee Related CN202586325U (en) | 2012-05-16 | 2012-05-16 | Lightning-protection surge-proof power source protection device |
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| CN (1) | CN202586325U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236835A (en) * | 2013-04-09 | 2013-08-07 | 浙江威星智能仪表股份有限公司 | Signal isolation grid circuit |
| CN107612803A (en) * | 2017-11-02 | 2018-01-19 | 上海辛莫智能科技有限公司 | A kind of data conversion Biodge device |
| CN108281949A (en) * | 2018-03-21 | 2018-07-13 | 成都必控科技有限责任公司 | RS422 communication bus lightning protection and surge restraint circuit |
-
2012
- 2012-05-16 CN CN 201220219853 patent/CN202586325U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236835A (en) * | 2013-04-09 | 2013-08-07 | 浙江威星智能仪表股份有限公司 | Signal isolation grid circuit |
| CN103236835B (en) * | 2013-04-09 | 2015-07-29 | 浙江威星智能仪表股份有限公司 | A kind of signal isolated gate circuit |
| CN107612803A (en) * | 2017-11-02 | 2018-01-19 | 上海辛莫智能科技有限公司 | A kind of data conversion Biodge device |
| CN108281949A (en) * | 2018-03-21 | 2018-07-13 | 成都必控科技有限责任公司 | RS422 communication bus lightning protection and surge restraint circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518109, Guangdong District, Longhua, Shenzhen province Longhua office, clear lake community, Silicon Valley power clear lake garden, A9 building, fourth floor Patentee after: Hengye intelligent information technology (Shenzhen) Co., Ltd. Address before: 518049, No. 1, No. five Mei Mei Road, Shenzhen, Guangdong (north to 1st floor, Mei Lin five floor workshop, Mei Lin Industrial Zone), three, Futian District Patentee before: NPE INTELLIGENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |