CN102184824B - Multipath gas-discharge tube - Google Patents
Multipath gas-discharge tube Download PDFInfo
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- CN102184824B CN102184824B CN 201110092505 CN201110092505A CN102184824B CN 102184824 B CN102184824 B CN 102184824B CN 201110092505 CN201110092505 CN 201110092505 CN 201110092505 A CN201110092505 A CN 201110092505A CN 102184824 B CN102184824 B CN 102184824B
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Abstract
The invention relates to a multipath gas-discharge tube, and relates to a discharge tube for preventing overvoltage caused by lightning stroke and electromagnetic pulses and switching overvoltage from damaging a power-supply system, electronic equipment and signal transmission. The multipath gas-discharge tube comprises at least four end electrodes, at least two central electrodes and two partition porcelain tubes, wherein each partition porcelain tube comprises a tubular outer wall and at least one partition which is arranged in space enclosed by the outer wall; the partition is used for dividing large space in the partition porcelain tube into at least two small spaces right and left; one central electrode is arranged between the two end electrodes which are arranged oppositely up and down; and all end electrodes which are arranged oppositely up and down two by two, all corresponding central electrodes among the end electrodes which are arranged oppositely up and down and all partition porcelain tubes are assembled to form at least four closed cavities. In the multipath gas-discharge tube, the overvoltage protection of multipath elements can be realized by one tube; installation space is small, so the miniaturization of electronic equipment is facilitated; overcurrent capacity is high; and reduction in the cost of the overvoltage protection is facilitated.
Description
Technical field
The overvoltage of the present invention relates to be applied to prevent in power-supply system, electronic equipment and the signal system to be struck by lightning, electromagnetic pulse being brought and switching overvoltage especially refer to a kind of multipath gas discharge tube to they hurtful discharge tubes.
Background technology
Be widely used in the infringement that the overvoltage that gas discharge tube prevents from being struck by lightning in power-supply system, electronic equipment and signal system, electromagnetic pulse is brought and switching overvoltage cause them.Under the present circumstances, people mainly pay close attention to the volume size of gas discharge tube, the size of through-current capability, and many gas discharge tubes are gathered into together, become research and development or even the blank out of the multichannel formula gas discharge tube that can protect multiple-pass unit.And the multichannel formula gas discharge tube that can protect multiple-pass unit just existing market call.
1, as LAN interface, exchange interface and video interface etc., is the multiple signals interface.Under the present circumstances, carry out overvoltage protection to such multiple signals interface, need many over-voltage protectors (as gas discharge tube) are installed, protect one to one.It is big to cause taking up room, and increases the volume of equipment, can not adapt to the requirement of device miniaturization.Simultaneously, the cost of overvoltage protection improves greatly.
2, Chinese patent discloses the patent of CN201359988Y " a kind of integrated gas discharge tube ".One; the purpose of this patent is to overcome the discharge tube that uses in the circuit owing to being that single diode or triode in parallelly causes the circuit volume to increase, a plurality of diodes, triode can not balanced be shared the thunderbolt energy and cause components and parts impaired deficiency easily simultaneously, are not in order to solve the needs of protection multiple-pass unit.They are two years old; its structure is included in the closed cavity; a plurality of diode or triodes as gas discharge tube are set; the metal on the connecting pin of gas discharge tube and closed cavity surface electrically connects; as seen; it is that corresponding connecting pin with gas discharge tube is connected in parallel on the metal on closed cavity surface and becomes the exit of a correspondence, and therefore, this integrated gas discharge tube can only be protected one road device.Its three, this patent is assembled in a plurality of gas discharge tubes in the closed cavity, belongs to the structure (big chamber is closed cavity, and loculus be the enclosed cavity of each gas discharge tube) of big chamber cover loculus, makes structure complicated, the volume increase; They are four years old, in this patent a plurality of gas discharge tubes be set to a kind ofly simply put, gas discharge tube isolates each other, except the metal of corresponding connecting pin by the closed cavity surface links together, the basic element of character that does not have connection or related part, particularly gas discharge tube again---sparking electrode joins altogether or is public.
Summary of the invention
The gas discharge tube that the present invention is intended to overcome prior art can not be protected the deficiency of multiple-pass unit simultaneously; a kind of multipath gas discharge tube is provided; an one multipath gas discharge tube can be protected multiple-pass unit simultaneously; be equivalent to many common gas discharge tubes and one to one multiple-pass unit carried out overvoltage protection; and occupation space is much smaller; be beneficial to the miniaturization of electronic equipment; simultaneously; also be beneficial to the cost that reduces over-pressure safety device, suit especially to install and use at multiple signals interfaces such as LAN interface, exchange interface and video interfaces.
To achieve these goals, finish above-mentioned task, multipath gas discharge tube of the present invention adopts following technical scheme:
Construct multipath gas discharge tube of the present invention, comprise that at least four termination electrodes, at least two central electrodes reach two next door formula porcelain tubes of ganging up up and down establishing; Described next door formula porcelain tube comprise the outer wall of a tubulose and in the space that outer wall holds around at least one next door of preparation, described next door cuts off at least two little spaces about with the large space in the formula porcelain tube of described next door; Described termination electrode is oppositely arranged up and down in pairs, between two described termination electrodes that are oppositely arranged a described central electrode is set, and the described little space between two described termination electrodes that described central electrode will be oppositely arranged is up and down blocked between up and down; At least four closed cavities of the equipped formation of all described central electrode of the two two all described termination electrodes that are oppositely arranged up and down and the correspondence between the described termination electrode that is oppositely arranged up and down and all described next doors formula porcelain tube; In described closed cavity, fill with inert gas.
Technique scheme is further set forth:
Coat cathode emission material at described termination electrode and described central electrode.
Described next door formula porcelain tube is metallized ceramic tubes.
The air-tightness sealing-in is welded to realize with scolder in the junction of described next door formula porcelain tube and described termination electrode.
The air-tightness sealing-in is welded to realize with scolder in the outer wall of described next door formula porcelain tube and the junction of described central electrode.
The working mechanism of multipath gas discharge tube of the present invention is: the both sides of a described central electrode constitute two described closed cavities, namely form two as the gas discharge tube of gas discharge unit, each described central electrode becomes adjacent two sparking electrodes as the gas discharge tube of gas discharge unit; Two described central electrodes just can form four as the gas discharge tube of gas discharge unit, and three, four described central electrodes just can form six, eight gas discharge tubes as the gas discharge unit respectively.Each can both be used for the overvoltage protection of No. one components and parts independently as the gas discharge tube of gas discharge unit, and therefore, the present invention just can form multipath gas discharge tubes such as four tunnel, six tunnel, so that multichannel components and parts in the equipment are carried out overvoltage protection simultaneously.
Multipath gas discharge tube of the present invention is compared with prior art, and its beneficial effect is:
One is once managing the overvoltage protection that can bear the multichannel components and parts.In the past; a gas discharge tube can only carry out overvoltage protection to road components and parts in the equipment, and carry out overvoltage protection to the components and parts with multichannel function (as LAN interface) in the equipment needs respectively at the equipped gas discharge tube of every road signal transmission.Integrated a plurality of gas discharge unit that can independently carry out overvoltage protection on the multipath gas discharge tube of the present invention can be born the overvoltage protection of multiple signals transmission simultaneously, again need not use many gases to put and manage.
Its two, the installing space that takies dwindles, and makes the smaller volume that present device is installed, and is beneficial to the miniaturization of electronic equipment.The present invention arranges described central electrode, a described central electrode takes service in adjacent two described closed cavities at least, described next door formula porcelain tube also is set simultaneously, structure is greatly simplified, as it is more much smaller than the volume of four air discharge tubes of prior art to have the present invention of closed cavity as described in four.
Its three, conveyance capacity is big, can reliably close voluntarily during the overvoltage zero passage.Can scurry logical between a plurality of described closed cavity of the present invention, and the two ends adjacent one another are of leaning at two adjacent described central electrodes also can constitute the closed cavity with discharging gap, thereby discharge in a plurality of discharging gaps that ion can be formed in a plurality of described closed cavities, cause conveyance capacity to increase, can reliably close voluntarily when being beneficial to the overvoltage zero passage.
Its four, be beneficial to the cost that reduces overvoltage protection.Because the present invention arranges described central electrode and described next door formula porcelain tube, consumptive material reduces, and can reduce the cost of overvoltage protection, is beneficial to market competition.
Its five, be widely used.Be particularly useful for the overvoltage protection as LAN interface, exchange interface and video interface etc.
Description of drawings
Fig. 1 is the stereogram of the embodiment of the invention one.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the cutaway view of the embodiment of the invention two.
Fig. 4 is the cutaway view of the embodiment of the invention three.
Among the figure: 1, termination electrode; 2, next door formula porcelain tube; 21, outer wall; 22, next door; 3, scolder; 4, closed cavity; 5, central electrode.
Embodiment
Below, introduce the specific embodiment of the present invention by reference to the accompanying drawings.
Embodiment one
As shown in Figures 1 and 2, multipath gas discharge tube of the present invention comprises that four termination electrodes 1, two central electrodes 5 reach two next door formula porcelain tubes 2 of ganging up up and down establishing; Described next door formula porcelain tube 2 comprise the outer wall 21 of a tubulose and in the space that outer wall 21 holds around preparation one next door 22, described next door 22 cuts off into two little spaces about with the large space in the described next door formula porcelain tube 2; Described termination electrode 1 is oppositely arranged up and down in pairs, blocked between up and down in the described little space that arranges between two that the are oppositely arranged described termination electrodes 1 between two described termination electrodes 2 that 5, one described central electrodes 5 of a described central electrode will be oppositely arranged up and down; Four closed cavities 4 of all described central electrode 5 of the two two all described termination electrodes that are oppositely arranged up and down 1 and the correspondence between the described termination electrode 1 that is oppositely arranged up and down and the 2 equipped formation of all described next doors formula porcelain tube; In described closed cavity 4, fill with inert gas.
Coat cathode emission material at described termination electrode 1 and described central electrode 5.
Described next door formula porcelain tube 2 is metallized ceramic tubes.
The junction of described next door formula porcelain tube 2 and described termination electrode 1 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
The outer wall of described next door formula porcelain tube 2 and the junction of described central electrode 5 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
Embodiment two
As shown in Figure 3, multipath gas discharge tube of the present invention comprises that four termination electrodes 1, two central electrodes 5 reach two next door formula porcelain tubes 2 of ganging up up and down establishing; Described next door formula porcelain tube 2 comprise the outer wall 21 of a tubulose and in the space that outer wall 21 holds around preparation one next door 22, described next door 22 cuts off into two little spaces about with the large space in the described next door formula porcelain tube 2; Described termination electrode 1 is oppositely arranged up and down in pairs, blocked between up and down in the described little space that arranges between two that the are oppositely arranged described termination electrodes 1 between two described termination electrodes 2 that 5, one described central electrodes 5 of a described central electrode will be oppositely arranged up and down; Four closed cavities 4 of all described central electrode 5 of the two two all described termination electrodes that are oppositely arranged up and down 1 and the correspondence between the described termination electrode 1 that is oppositely arranged up and down and the 2 equipped formation of all described next doors formula porcelain tube; Simultaneously, also constitute the described closed cavity 4 with discharging gap at the two ends adjacent one another are of leaning on of described central electrode 5; In described closed cavity 4, fill with inert gas.
Coat cathode emission material at described termination electrode 1 and described central electrode 5.
Described next door formula porcelain tube 2 is metallized ceramic tubes.
The junction of described next door formula porcelain tube 2 and described termination electrode 1 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
The outer wall of described next door formula porcelain tube 2 and the junction of described central electrode 5 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
Embodiment three
As shown in Figure 4, multipath gas discharge tube of the present invention comprises that eight termination electrodes 1, four central electrodes 5 reach two next door formula porcelain tubes 2 of ganging up up and down establishing; Described next door formula porcelain tube 2 comprise the outer wall 21 of a tubulose and in the space that outer wall 21 holds around three next doors 22 of preparation, described next door 22 cuts off into four little spaces about with the large space in the described next door formula porcelain tube 2; Described termination electrode 1 is oppositely arranged up and down in pairs, blocked between up and down in the described little space that arranges between two that the are oppositely arranged described termination electrodes 1 between two described termination electrodes 2 that 5, one described central electrodes 5 of a described central electrode will be oppositely arranged up and down; Eight closed cavities 4 of all described central electrode 5 of the two two all described termination electrodes that are oppositely arranged up and down 1 and the correspondence between the described termination electrode 1 that is oppositely arranged up and down and the 2 equipped formation of all described next doors formula porcelain tube; Simultaneously, also constitute three described closed cavities 4 with discharging gap at the two ends adjacent one another are of leaning on of described central electrode 5; In described closed cavity 4, fill with inert gas.
Coat cathode emission material at described termination electrode 1 and described central electrode 5.
Described next door formula porcelain tube 2 is metallized ceramic tubes.
The junction of described next door formula porcelain tube 2 and described termination electrode 1 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
The outer wall of described next door formula porcelain tube 2 and the junction of described central electrode 5 scolder 3(such as weld tabs) weld to realize the air-tightness sealing-in.
When the present invention specifically used, one of them described termination electrode 2 was a gas discharge unit with relative described central electrode 5, is connected with one tunnel components and parts that need protect.Four road gas discharge tubes of the present invention have four gas discharge unit, can be connected to implement respectively overvoltage protection with four tunnel components and parts that need protect respectively.Six road gas discharge tubes of the present invention have six gas discharge unit, can be connected to implement respectively overvoltage protection with six tunnel components and parts that need protect respectively.Eight road gas discharge tubes of the present invention have eight gas discharge unit, can be connected to implement respectively overvoltage protection with eight tunnel components and parts that need protect respectively.
The above only is preferred embodiment of the present invention, is not that technical scope of the present invention is imposed any restrictions.The technical staff of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. the multipath gas discharge tube comprises that at least four termination electrodes, at least two central electrodes reach two next door formula porcelain tubes of ganging up up and down establishing; Described next door formula porcelain tube comprise the outer wall of a tubulose and in the space that outer wall holds around at least one next door of preparation, described next door cuts off at least two little spaces about with the large space in the formula porcelain tube of described next door; Described termination electrode is oppositely arranged up and down in pairs, between two described termination electrodes that are oppositely arranged a described central electrode is set, and the described little space between two described termination electrodes that described central electrode will be oppositely arranged is up and down blocked between up and down; At least four closed cavities of the equipped formation of all described central electrode of the two two all described termination electrodes that are oppositely arranged up and down and the correspondence between the described termination electrode that is oppositely arranged up and down and all described next doors formula porcelain tube; In described closed cavity, fill with inert gas.
2. multipath gas discharge tube according to claim 1 is characterized in that: coat cathode emission material at described termination electrode and described central electrode.
3. multipath gas discharge tube according to claim 1, it is characterized in that: described next door formula porcelain tube is metallized ceramic tubes.
4. multipath gas discharge tube according to claim 1, it is characterized in that: the air-tightness sealing-in is welded to realize with scolder in the junction of described next door formula porcelain tube and described termination electrode.
5. multipath gas discharge tube according to claim 1, it is characterized in that: the air-tightness sealing-in is welded to realize with scolder in the outer wall of described next door formula porcelain tube and the junction of described central electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092505 CN102184824B (en) | 2011-04-13 | 2011-04-13 | Multipath gas-discharge tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110092505 CN102184824B (en) | 2011-04-13 | 2011-04-13 | Multipath gas-discharge tube |
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| Publication Number | Publication Date |
|---|---|
| CN102184824A CN102184824A (en) | 2011-09-14 |
| CN102184824B true CN102184824B (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110092505 Active CN102184824B (en) | 2011-04-13 | 2011-04-13 | Multipath gas-discharge tube |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374653A (en) * | 2015-12-04 | 2016-03-02 | 深圳市槟城电子有限公司 | Gas discharge tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378178A (en) * | 2007-10-16 | 2009-03-04 | 曾献昌 | Multi-clearance ceramet gas discharge tube with circumscribing triggering terminal |
| CN202034336U (en) * | 2011-04-13 | 2011-11-09 | 深圳市硕凯电子有限公司 | Multi-channel gas discharge tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224761A (en) * | 1998-02-06 | 1999-08-17 | Mitsubishi Materials Corp | High voltage surge absorber |
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2011
- 2011-04-13 CN CN 201110092505 patent/CN102184824B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101378178A (en) * | 2007-10-16 | 2009-03-04 | 曾献昌 | Multi-clearance ceramet gas discharge tube with circumscribing triggering terminal |
| CN202034336U (en) * | 2011-04-13 | 2011-11-09 | 深圳市硕凯电子有限公司 | Multi-channel gas discharge tube |
Non-Patent Citations (1)
| Title |
|---|
| JP平11-224761A 1999.08.17 |
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| CN102184824A (en) | 2011-09-14 |
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Free format text: FORMER OWNER: SHIJIAZHUANG KAIHONG ELECTRONIC CO., LTD. Effective date: 20150810 |
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Effective date of registration: 20150810 Address after: 518131, Guangdong, Shenzhen District, Longhua province Longhua office, pine and community road, No. 19, C building, building 4, Room 401 Patentee after: Shenzhen SOCAY Electronic Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Huanggang road gaoshangge gaokeli building 30 building A room Patentee before: Shenzhen SOCAY Electronic Co., Ltd. Patentee before: Shijiazhuang Kaihong Electronic Co., Ltd. |
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Address after: Longhua street Longhua District 518131 people in Guangdong province Shenzhen City Road No. 19, C building, Hengxing Science Park Building 4 Patentee after: Shenzhen Shuo Kai electronic Limited by Share Ltd Address before: 518131, Guangdong, Shenzhen District, Longhua province Longhua office, pine and community road, No. 19, C building, building 4, Room 401 Patentee before: Shenzhen SOCAY Electronic Co., Ltd. |