CN104659740B - Series terminal low pressure lightning protection device - Google Patents
Series terminal low pressure lightning protection device Download PDFInfo
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- CN104659740B CN104659740B CN201510054043.2A CN201510054043A CN104659740B CN 104659740 B CN104659740 B CN 104659740B CN 201510054043 A CN201510054043 A CN 201510054043A CN 104659740 B CN104659740 B CN 104659740B
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- slide body
- lightning protection
- zero line
- circuit module
- module
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Abstract
The present invention relates to a kind of lightning protection device, more particularly to a kind of series terminal low pressure lightning protection device；Including track base, first slide body, second slide body, circuit module and lightning-protection module；The side of first slide body is provided with the first spring base and second spring seat and the guide groove and guide rod that cooperate；Circuit module includes Firewire circuitry module, zero line circuit module and buffer circuit module, and Firewire circuitry module includes the first fusible link, and zero line circuit module includes plug and socket, and buffer circuit module is connected between Firewire circuitry module and zero line circuit module；Lightning-protection module includes live wire lightning protection circuit and zero line lightning protection circuit, and live wire lightning protection circuit includes the second fusible link, and second fusible link one end is fixed, the other end is connected with the second spring top in second spring seat；The series terminal low pressure lightning protection device of the present invention, can quick response thunderbolt produce rush of current, fast cut-off circuit module and prevent circuit module breakdown.
Description
Technical field
The present invention relates to a kind of lightning protection device, more particularly to a kind of series terminal low pressure lightning protection device.
Background technology
Modern communication network, employs computer and integrated circuit technique, antijamming capability is particularly anti-wink on a large scale
Become interference performance and critical damage energy is substantially reduced, its reliability directly threatens the unimpeded of network full process and full network.In recent years,
The damage problem of electronic equipment is occurred in that more and more, and the position of generation has focused largely on circuit and joint portion, the number of equipment
According to input and output portion：Such as interface, MODEM, the router of computer system；User's plate, the power panel of interchanger；With antenna feeder phase
Wireless device frame even, PCM path disks；Optic electric interface, the user's cross-connecting box of transmission equipment；Safety unit for distribution frame etc..Electricity
Source system even causes paralysis of overall importance by thunderbolt, and the society for being difficult to retrieve and economic loss are brought to the communications industry, is adopted
Take effectively safeguard procedures and preventive means imperative.
Series terminal low pressure lightning protection device, is a kind of device for being arranged on electrical equipment power input, is primarily adapted for use in low
Press the lightning protection of alternating current and direct current electrical equipment；Circuit module and lightning protection mould are usually provided with series terminal low pressure lightning protection device
Block, lightning-protection module passes through wired earth；In the case of voltage stabilization, lightning-protection module is in high-impedance state, when being struck by lightning,
Gap in lightning-protection module is breakdown, and excessive electric current can be routed to ground down by lightning-protection module in phase line, while lightning-protection module is opened
It is dynamic power module is in off state.But, how quickly to disconnect power module, to protect electrical equipment, as urgently
The problem solved.
In view of above-mentioned defect, the design people is actively subject to research and innovation, to found a kind of series connection of new structure
Terminal low pressure lightning protection device, makes it with more the value in industry.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide it is a kind of can quick response thunderbolt produce electric current punching
Hit, fast cut-off circuit module and prevent the breakdown series terminal low pressure lightning protection device of circuit module.
The series terminal low pressure lightning protection device of the present invention, including track base, first slide body, second slide body, circuit module
And lightning-protection module；The guide rail of projection is provided with the track base, the side of the first slide body and second slide body is all provided with
It is equipped with the slide caved inward and is slided by the way that the slide is relative on guide rail；Input is provided with the first slide body
Hold and be provided with output end live wire joint and output end zero on live wire joint and input zero line joint, the second slide body
Wire terminal, the circuit module and lightning-protection module are arranged on inside the first slide body and second slide body, and and input
Live wire joint, input zero line joint, output end live wire joint and the electrical connection of output end zero line joint；
The side of the first slide body is provided with the first spring base and the second spring seat towards second slide body, described
The first spring and second spring are respectively arranged with first spring base and second spring seat；The side of the first slide body is also set
Guide groove is equipped with, the side of the second slide body is provided with the guide rod that slip is engaged with guide groove；
The circuit module includes Firewire circuitry module, zero line circuit module and buffer circuit module, the buffering electricity
Road module is arranged in second slide body, and the Firewire circuitry module includes being connected to input live wire joint and output end live wire
The first fusible link between joint, the two ends of first fusible link are separately fixed at the bottom of guide groove and the bottom of guide rod
Portion；The zero line circuit module includes the plug and socket being connected between input zero line joint and output end zero line joint,
The plug and socket is separately positioned on first slide body and second slide body the side that is in contact, and the buffer circuit module connects
It is connected between Firewire circuitry module and zero line circuit module；
The lightning-protection module includes being arranged in first slide body and being connected to Firewire circuitry module and zero line circuit
Live wire lightning protection circuit and zero line lightning protection circuit in module, the live wire lightning protection circuit include the first ground terminal, the one or two pole
Pipe, the second fusible link and first resistor, second fusible link and first resistor rear and first ground terminal parallel with one another
It is in series with the first diode, one end of second fusible link is fixed, and the other end is connected with the top of second spring；Described zero
Line lightning protection circuit includes the second ground terminal, the second diode and the second resistance being serially connected.
Further, the fusing-off temperature of first fusible link is less than the fusing-off temperature of the second fusible link, first bullet
Spring is less than elastic force of the second spring to second slide body to the elastic force of second slide body.
Further, the guide rod is hollow structure, and the root medial surface of the guide rod is provided with internal thread and led to
Cross the internal thread and fastening seat is installed, the two ends of first fusible link are separately fixed at bottom and the fastening seat of guide groove
On.
Further, the end of the second spring is provided with push pedal, and the two ends of second fusible link are provided with pottery
Insulator, the two ends of second fusible link by glass fiber respectively with the fixed seat that is fixed in first slide body and
Push pedal is connected.
Further, the root of the guide rail, which is provided with, caves inward and section is to be set on circular chute, the slide
It is equipped with spacing slide bar outstanding and that slip is engaged with the chute.
Further, the medial surface of the chute is provided with ball.
Further, the medial surface of the chute end is provided with the position for being located at chute two ends on internal thread, the guide rail
Install and be equipped with nut seat, and be provided with nut seat limited screw, the limited screw is engaged rotation with the internal thread.
By such scheme, the present invention at least has advantages below：1) when mains side is struck by lightning, buffer circuit module
Buffer current is impacted, and prevents electrical equipment to be damaged, while the first fusible link fuses, in the presence of the first spring, first
Slide seat body and second slide body are separated, and are not only spatially separated both to prevent thunderbolt impaired, while user is warned, this
The low pressure lightning protection device of invention needs to change；In addition, the electric current that thunderbolt is produced punctures the diode in lightning-protection module, electric current is introduced into ground
Under；2) when intensity of being struck by lightning exceedes to a certain degree, the fusing of the second fusible link under the reset response of second spring, promotes second
Slide seat body makes first slide body and second slide body further separate, in completely separable state, further prevents thunderbolt electricity
Stream is introduced into electrical equipment；So, can quick response thunderbolt produce rush of current, fast cut-off circuit module and prevent circuit
Module is breakdown.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of live wire circuit part in the present invention；
Fig. 3 is the structural representation of zero line circuit part in the present invention；
Fig. 4 is the circuit diagram of buffer circuit in the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 4, a kind of series terminal low pressure lightning protection device of a preferred embodiment of the present invention, including track base 10,
First slide body 20, second slide body 30, circuit module and lightning-protection module；The guide rail 101 of projection is provided with track base 10, the
The side of one slide seat body 20 and second slide body 30 be provided with the slide that caves inward and by slide on guide rail 101 phase
To sliding；Input live wire joint 201 and input zero line joint 202, second slide body are provided with first slide body 20
Output end live wire joint 301 and output end zero line joint 302 are provided with 30, circuit module and lightning-protection module are arranged on first
Inside slide seat body 20 and second slide body 30, and with input live wire joint 201, input zero line joint 202, output end live wire
Joint 301 and output end zero line joint 302 are electrically connected；
The side of first slide body 20 is provided with the first spring base 203 and the second spring seat 204 towards second slide body,
The first spring 205 and second spring 206 are respectively arranged with first spring base 203 and second spring seat 204；First slide body 20
Side be additionally provided with guide groove 207, the side of second slide body 30 is provided with the guide rod that slip is engaged with guide groove 207
303；
Circuit module includes Firewire circuitry module, zero line circuit module and buffer circuit module, buffer circuit module
400 are arranged in second slide body 40, and Firewire circuitry module includes being connected to input live wire joint 201 and output end live wire connects
The first fusible link 401 between first 301, the two ends of the first fusible link 401 are separately fixed at bottom and the guiding of guide groove 207
The bottom of bar 303；Zero line circuit module includes being connected between input zero line joint 202 and output end zero line joint 302
Plug 501 and socket 502, plug 501 and socket 502 are separately positioned on first slide body 20 and second slide body 30 and are in contact
Side, buffer circuit module 400 is connected between Firewire circuitry module and zero line circuit module；The effect of buffer circuit is to delay
Rush electric current and instantaneously change the impact to electrical equipment brought, buffer circuit is designed as prior art, thus it is every can
The circuit of rush of current in buffer circuit is played, protection domain all should be fallen into, it is relatively simple, it may be designed as shown in Figure 4.
Lightning-protection module includes being arranged in first slide body 20 and being connected to Firewire circuitry module and zero line circuit mould
Live wire lightning protection circuit and zero line lightning protection circuit on block, live wire lightning protection circuit include the first ground terminal 601, the first diode
602nd, the second fusible link 603 and first resistor 604, the second fusible link 603 and first resistor 604 it is parallel with one another after with first ground connection
The diode 602 of terminal 601 and first is in series, and one end of the second fusible link 603 is fixed, the other end and the top of second spring 206
End is connected；Zero line lightning protection circuit includes the second ground terminal 701, the second diode 702 and the second resistance 703 being serially connected.
It should be noted that Fig. 2 and Fig. 3 are not section view of the series terminal low pressure lightning protection device in diverse location of the present invention
Figure, only represents the annexation between each part.
The present invention operation principle be：1) when mains side is struck by lightning, the impact of buffer circuit module buffer current is prevented
Electrical equipment is damaged, while the first fusible link fuses, in the presence of the first spring, first slide body and second slide body
Separate, be not only spatially separated both to prevent thunderbolt impaired, while warning user, low pressure lightning protection device of the invention is needed
Change；In addition, the electric current that thunderbolt is produced punctures the diode in lightning-protection module, electric current is introduced into underground；2) when thunderbolt intensity surpasses
When crossing to a certain degree, the fusing of the second fusible link under the reset response of second spring, promotes second slide body to make first slide body
Further separated with second slide body, in completely separable state, further prevent thunder-strike current to be introduced into electrical equipment.
The series terminal low pressure lightning protection device of the present invention, the fusing-off temperature of the first fusible link 401 is less than the second fusible link 603
Fusing-off temperature, the first spring 205 is less than elastic force of the second spring 206 to second slide body 30 to the elastic force of second slide body 30.
The installation of first fusible link for convenience, series terminal low pressure lightning protection device of the invention, guide rod 303 is hollow knot
Structure, the root medial surface of guide rod 303 is provided with internal thread and is provided with fastening seat 304, the first fusible link by internal thread
401 two ends are separately fixed on the bottom of guide groove 207 and fastening seat 304, by screwing fastening seat, you can regulation first
The tensioner degree of fusible link；The end of guide rod 303 is provided with cambered surface.
For the series terminal low pressure lightning protection device of the present invention, the end of second spring 206 is provided with push pedal 208, and second melts
The two ends of fracture of wire 603 are provided with ceramic jacket 605, and the two ends of the second fusible link 603 are by glass fiber respectively with being fixed on
Fixed seat 209 and push pedal 208 in first slide body 20 are connected.
In order to prevent slide from being come off from track base, series terminal low pressure lightning protection device of the invention, the root of guide rail 101 is set
It is equipped with and caves inward and section is to be provided with outstanding on circular chute 102, slide and be engaged slip with chute 102
Spacing slide bar 103.
The series terminal low pressure lightning protection device of the present invention, the medial surface of chute 102 is provided with ball.
During in order to prevent that first slide body and second slide body are separated from each other, depart from outside track base, series connection of the invention
Terminal low pressure lightning protection device, the medial surface of the end of chute 102 is provided with the position for being located at the two ends of chute 102 on internal thread, guide rail 101
Nut seat is provided with, and is provided with nut seat limited screw 104, limited screw 104 is engaged rotation with internal thread.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of series terminal low pressure lightning protection device, it is characterised in that：Including track base, first slide body, second slide body, circuit
Module and lightning-protection module；The guide rail of projection, the side of the first slide body and second slide body are provided with the track base
It is provided with the slide caved inward and is slided by the way that the slide is relative on guide rail；It is provided with the first slide body
Output end live wire joint and output are provided with input live wire joint and input zero line joint, the second slide body
Hold zero line joint, the circuit module and lightning-protection module be arranged on inside the first slide body and second slide body, and with it is defeated
Enter to hold live wire joint, input zero line joint, output end live wire joint and the electrical connection of output end zero line joint；
The side of the first slide body is provided with the first spring base and the second spring seat towards second slide body, described first
The first spring and second spring are respectively arranged with spring base and second spring seat；The side of the first slide body is additionally provided with
Guide groove, the side of the second slide body is provided with the guide rod that slip is engaged with guide groove；
The circuit module includes Firewire circuitry module, zero line circuit module and buffer circuit module, the buffer circuit mould
Block is arranged in second slide body, and the Firewire circuitry module includes being connected to input live wire joint and output end live wire joint
Between the first fusible link, the two ends of first fusible link are separately fixed at the bottom of guide groove and the bottom of guide rod；
The zero line circuit module includes the plug and socket being connected between input zero line joint and output end zero line joint, described
Plug and socket is separately positioned on first slide body and second slide body the side that is in contact, and the buffer circuit module is connected to
Between Firewire circuitry module and zero line circuit module；
The lightning-protection module includes being arranged in first slide body and being connected to Firewire circuitry module and zero line circuit module
On live wire lightning protection circuit and zero line lightning protection circuit, the live wire lightning protection circuit includes the first ground terminal, the first diode, the
Two fusible links and first resistor, second fusible link and first resistor rear and first ground terminal and first parallel with one another
Diode is in series, and one end of second fusible link is fixed, and the other end is connected with the top of second spring；The zero line lightning protection
Circuit includes the second ground terminal, the second diode and the second resistance being serially connected.
2. series terminal low pressure lightning protection device according to claim 1, it is characterised in that：The fusing temperature of first fusible link
Degree is less than the fusing-off temperature of the second fusible link, and first spring is to the elastic force of second slide body less than second spring to the second cunning
The elastic force of pedestal.
3. series terminal low pressure lightning protection device according to claim 1, it is characterised in that：The guide rod is hollow structure,
The root medial surface of the guide rod is provided with internal thread and is provided with fastening seat, first fusing by the internal thread
The two ends of silk are separately fixed on the bottom of guide groove and fastening seat.
4. series terminal low pressure lightning protection device according to claim 1, it is characterised in that：The end of the second spring is set
There is push pedal, the two ends of second fusible link are provided with ceramic jacket, and the two ends of second fusible link pass through glass fiber
It is connected respectively with the fixed seat being fixed in first slide body and push pedal.
5. series terminal low pressure lightning protection device according to claim 1, it is characterised in that：The root of the guide rail sets oriented
Sunken inside and section are to be provided with outstanding on circular chute, the slide and be engaged the spacing of slip with the chute
Slide bar.
6. series terminal low pressure lightning protection device according to claim 5, it is characterised in that：The medial surface of the chute is provided with
Ball.
7. series terminal low pressure lightning protection device according to claim 5, it is characterised in that：The medial surface of the chute end is set
It is equipped with internal thread, the guide rail and the position at chute two ends is provided with nut seat, and the setting limited location spiral shell in nut seat
Silk, the limited screw is engaged rotation with the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054043.2A CN104659740B (en) | 2015-02-03 | 2015-02-03 | Series terminal low pressure lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510054043.2A CN104659740B (en) | 2015-02-03 | 2015-02-03 | Series terminal low pressure lightning protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659740A CN104659740A (en) | 2015-05-27 |
| CN104659740B true CN104659740B (en) | 2017-09-29 |
Family
ID=53250571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510054043.2A Active CN104659740B (en) | 2015-02-03 | 2015-02-03 | Series terminal low pressure lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104659740B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039066U (en) * | 1988-05-28 | 1989-06-07 | 单让 | Protector and alarm for limiting excess current or voltage |
| CN2058046U (en) * | 1989-06-06 | 1990-06-06 | 沈金官 | Non-contact cut-off type telephone general wiring frame plug-in protector |
| US5299088A (en) * | 1990-08-14 | 1994-03-29 | Krone Ag | Protective circuit and protective plug for telecommunication installations |
| US5583734A (en) * | 1994-11-10 | 1996-12-10 | Raychem Corporation | Surge arrester with overvoltage sensitive grounding switch |
| CN104319755A (en) * | 2014-11-11 | 2015-01-28 | 苏州九云丰电子科技有限公司 | Anti-thunder power supply box |
-
2015
- 2015-02-03 CN CN201510054043.2A patent/CN104659740B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039066U (en) * | 1988-05-28 | 1989-06-07 | 单让 | Protector and alarm for limiting excess current or voltage |
| CN2058046U (en) * | 1989-06-06 | 1990-06-06 | 沈金官 | Non-contact cut-off type telephone general wiring frame plug-in protector |
| US5299088A (en) * | 1990-08-14 | 1994-03-29 | Krone Ag | Protective circuit and protective plug for telecommunication installations |
| US5583734A (en) * | 1994-11-10 | 1996-12-10 | Raychem Corporation | Surge arrester with overvoltage sensitive grounding switch |
| CN104319755A (en) * | 2014-11-11 | 2015-01-28 | 苏州九云丰电子科技有限公司 | Anti-thunder power supply box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104659740A (en) | 2015-05-27 |
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