CN109398415B - Rod plate discharge protection device for asymmetric high-voltage pulse track circuit - Google Patents
Rod plate discharge protection device for asymmetric high-voltage pulse track circuit Download PDFInfo
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- CN109398415B CN109398415B CN201811309344.5A CN201811309344A CN109398415B CN 109398415 B CN109398415 B CN 109398415B CN 201811309344 A CN201811309344 A CN 201811309344A CN 109398415 B CN109398415 B CN 109398415B
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- discharge
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- 239000002184 metal Substances 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000001012 protector Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention relates to a rod plate discharge protection device for an asymmetric high-voltage pulse track circuit, which comprises a protection shell, two groups of discharge electrodes and a grounding metal plate, wherein the two groups of discharge electrodes are symmetrically and fixedly connected to the lower end of the protection shell, the upper end of the protection shell is attached to the lower end of the grounding metal plate, the protection shell is fixedly connected with the grounding metal plate through bolts, two symmetrical cavities are formed in the upper end of the protection shell, and the upper ends of the two groups of discharge electrodes are respectively sleeved in the two cavities. The invention effectively protects the GZ-2007A asymmetric high-voltage pulse track circuit attenuator, the transmitter and the receiver, isolates the lightning signal, and meanwhile, the invention does not influence the normal transmission of communication; the invention has simple structure and low production cost, simplifies engineering design and is convenient for on-site installation and maintenance.
Description
Technical Field
The invention belongs to the technical field of lightning protection devices, and particularly relates to a rod plate discharge protection device for an asymmetric high-voltage pulse track circuit.
Background
The attenuator and the transmitter in the GZ-2007A asymmetric high-voltage pulse track circuit are directly connected with an outdoor cable, and if a high-potential lightning surge signal is coupled between the transmitter on the signal channel, an outdoor interface of the attenuator and the ground, the transmitter, the attenuator and even the receiver of the asymmetric high-voltage pulse track circuit are often damaged in a large area, so that the railway transportation efficiency is seriously affected. Thus, lightning protection for the channel is necessary.
At present, no longitudinal lightning protection measures and no equipment exist at the outdoor interfaces of the GZ-2007A asymmetric high-voltage pulse track circuit transmitter and the attenuator.
Disclosure of Invention
Aiming at the problems, the invention provides a rod plate discharge protection device for an asymmetric high-voltage pulse track circuit, which comprises a protection shell, two groups of discharge electrodes and a grounding metal plate, wherein the two groups of discharge electrodes are symmetrically and fixedly connected to the lower end of the protection shell, the upper end of the protection shell is attached to the lower end of the grounding metal plate, the protection shell is fixedly connected with the grounding metal plate through bolts, two symmetrical cavities are arranged at the upper end of the protection shell, and the upper ends of the two groups of discharge electrodes are respectively sleeved in the two cavities.
Further, the two groups of discharge electrodes are made of high-melting-point materials, and the two groups of discharge electrodes are mutually insulated.
Further, the upper ends of the two groups of discharge electrodes are fixedly sleeved at the lower end of the protective shell.
Further, the bolts penetrate through and are in threaded connection with the symmetry center of the grounding metal plate and the symmetry center of the protective shell respectively.
Further, the bolts and the two groups of discharge electrodes are mutually insulated.
Furthermore, the two groups of cavities are transversely penetrated and sleeved in the protective shell.
Further, the upper end of the cavity is attached to the lower end of the grounding metal plate.
Furthermore, the protective shell is an insulator, and the grounding metal plate and the bolts are both made of copper.
The invention has the technical effects and advantages that:
1. The invention effectively protects the GZ-2007A asymmetric high-voltage pulse track circuit attenuator, the transmitter and the receiver, isolates the lightning signal, and meanwhile, the invention does not influence the normal transmission of communication;
2. The invention has simple structure and low production cost, simplifies engineering design and is convenient for on-site installation and maintenance.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 illustrates a front view of a rod and plate discharge protector according to an embodiment of the present invention;
Fig. 2 shows a front cross-sectional view of a rod plate discharge protector according to an embodiment of the present invention.
In the figure: 1 protective shell, 2 discharge electrode, 3 ground metal plate, 4 bolt, 5 cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a bar plate discharge protection device for an asymmetric high-voltage pulse track circuit, which is shown in fig. 1-2, and comprises a protection shell 1, two groups of discharge electrodes 2 and a grounding metal plate 3, wherein the two groups of discharge electrodes 2 are symmetrically and fixedly connected to the lower end of the protection shell 1, the two groups of discharge electrodes 2 are made of high-melting-point materials, and particularly, the discharge electrodes 2 are ensured not to be softened and deformed at high temperature in the discharge process, so that the service life of the protection device is prolonged; the two groups of discharge electrodes 2 are mutually insulated, the upper ends of the two groups of discharge electrodes 2 are fixedly sleeved at the lower end of the protective shell 1, specifically, the two groups of discharge electrodes 2 are respectively connected with indoor equipment outdoor interfaces of a signal channel, and if the two groups of click electrodes 2 are arranged in a non-insulating way but are electrically connected, the normal occupation checking function of the system is influenced, and the driving efficiency is influenced; the upper end of the protective shell 1 is attached to the lower end of the grounding metal plate 3, the protective shell 1 and the grounding metal plate 3 are fixedly connected through bolts 4, the bolts 4 penetrate through the symmetry center of the grounding metal plate 3 and the symmetry center of the protective shell 1 respectively, the bolts 4 and the two groups of the discharge electrodes 2 are mutually insulated, specifically, the bolts 4 play a role in connection and simultaneously play a role in grounding and conducting as the grounding metal plate 3, if the bolts 4 and the discharge electrodes 2 are not mutually insulated but are electrically connected, a signal channel cannot normally run, and all electric signals in the signal channel are transmitted to the bolts 4 through the discharge electrodes 2 and then are conducted to the ground; the upper end of the protective shell 1 is provided with two symmetrical cavities 5, the two groups of cavities 5 are all penetrated and sleeved in the protective shell 1, the upper ends of the cavities 5 are attached to the lower end of the grounding metal plate 3, the upper ends of the two groups of discharge electrodes 2 are respectively sleeved in the two cavities 5, and particularly, the cavities 5 have the function similar to a window, so that the heat generated by the discharge electrodes 2 in the discharge process is effectively discharged, and the cavities 5 form a discharge channel between the discharge electrodes 2 and the grounding metal plate 3; the protective shell 1 is an insulator, the grounding metal plate 3 and the bolt 4 are both made of copper, and specifically, the protective shell 1 is a key component for fixing the discharge electrode 2 and the grounding metal plate 3, and in order to ensure mutual insulation between the two groups of discharge electrodes 2 and between the discharge electrode 2 and the grounding metal plate 3, the protective shell 1 is made of an insulating material, and the grounding metal plate 3 and the bolt 4 are grounded, so that a metal body with better conductivity is selected.
Fig. 1 is a front view of a rod-plate discharge protector according to the present invention, wherein a protective housing 1 is a main body of the device, and the protective housing 1 has a symmetrical structure and a small volume, thereby reducing difficulty in installation and maintenance of the device, and ensuring high stability of the device during use. Illustratively, two symmetrical cavities 5 are arranged at the upper end of the protective shell 1, the cavities 5 horizontally penetrate and are sleeved in the protective shell 1, and specifically, the cavities 5 play a role in heat dissipation of the discharge electrode 2 in the discharging process. The lower extreme at protective housing 1 is provided with two sets of discharge electrodes 2 that the symmetry set up, and two sets of discharge electrodes 2 parallel arrangement, and horizontal distance is fixed between two sets of discharge electrodes 2, and the lower extreme of two sets of discharge electrodes 2 stretches out protective housing 1's lower extreme to the indoor equipment outdoor interface of signal path is connected respectively to two sets of discharge electrodes 2's lower extreme, and the upper end of two sets of discharge electrodes 2 cup joints respectively in two sets of cavitys 5, and specifically, the upper end of two sets of discharge electrodes 2 and the upside distance of corresponding cavity 5 are fixed. The upper end of the protective shell 1 is provided with a grounding metal plate 3, the protective shell 1 and the grounding metal plate 3 are fixed in a threaded manner through bolts 4, and specifically, the bolts 4 respectively penetrate through the grounding metal plate 3 and the protective shell 1. The upper end of the grounding metal plate 3 and the upper end of the bolt 4 are grounded. The lower side of the grounding metal plate 3 and the upper ends of the two groups of discharge electrodes 2 are spaced a certain distance, so that the safety, stability and high efficiency of the discharge process are ensured.
Fig. 2 is a front cross-sectional view of the rod-and-plate discharge protector of the present invention, in which two sets of discharge electrodes 2 are fixedly sleeved in a protective housing 1, preferably, the discharge electrodes 2 can be fixedly connected to the protective housing 1 by a disposable glue-pouring process. Preferably, the diameter of one end of the discharge electrode 2 close to the grounding metal plate 3 is large, the diameter of one end penetrating through the protective shell 1 is small, and in particular, in order to improve the discharge effect, the diameter length of one end of the discharge electrode 2 close to the grounding metal plate 3 is larger than the diameter length of one end of the discharge electrode 2 connected with an indoor device outdoor interface of a signal channel. The bolts 4 and the two groups of discharge electrodes 2 are arranged in parallel, the bolts 4 are arranged at the symmetrical centers of the two groups of discharge electrodes 2, the horizontal distance between the bolts 4 and the two groups of discharge electrodes 2 is fixed, and specifically, the bolts 4 and the two groups of discharge electrodes 2 are ensured to be arranged in an insulating manner, and normal communication transmission between equipment is not affected. The upper ends of the bolts 4 and the upper ends of the ground metal plates 3 are provided for grounding, and preferably, the bolts 4 and the ground metal plates 3 are made of copper materials. The cavities 5 are the main places for discharging the discharge electrodes 2 and the grounding metal plates 3, specifically, the two cavities 5 are the same regular cylinders, so that the discharge conditions of the two discharge electrodes 2 are the same, and the discharge process is balanced and stable.
One ends of two groups of discharge electrodes 2 of the protection device are respectively and electrically connected with two outdoor interfaces of the GZ-2007A asymmetric high-voltage pulse track circuit transmitter, and the circuits formed by the GZ-2007A asymmetric high-voltage pulse track circuit transmitter and the discharge electrodes 2 are in an open circuit state in the normal use process because the two groups of discharge electrodes 2 are arranged in an insulating way and the discharge electrodes 2 and the bolts 4 are arranged in an insulating way, so that the normal communication transmission among the devices is not influenced; when the transmitter is struck by lightning, the lightning causes the discharge electrode 2 to form high voltage, breakdown discharge is formed between the discharge electrode 2 and the grounding metal sheet 3 in the cavity 5, so that the high voltage of the lightning reaches the grounding metal sheet 3 and the bolt 4 through the discharge electrode 2 and is conducted to the ground, thereby effectively protecting the transmitter and ensuring that communication transmission between devices is kept normal.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The rod plate discharge protection device for the asymmetric high-voltage pulse track circuit comprises a protection shell (1), two groups of discharge electrodes (2) and a grounding metal plate (3), wherein:
The two groups of discharge electrodes (2) are symmetrically and fixedly connected to the lower end of the protective shell (1), the upper end of the protective shell (1) is attached to the lower end of the grounding metal plate (3), the protective shell (1) is fixedly connected with the grounding metal plate (3) through bolts (4), two symmetrical cavities (5) are formed in the upper end of the protective shell (1), and the upper ends of the two groups of discharge electrodes (2) are respectively sleeved in the two cavities (5);
The protective shell (1) is an insulator;
the two groups of discharge electrodes (2) are mutually insulated;
the lower ends of the two groups of discharge electrodes (2) are respectively connected with indoor equipment outdoor interfaces of the signal channels;
The diameter length of one end of the discharge electrode (2) close to the grounding metal plate (3) is larger than that of one end of the discharge electrode (2) connected with the indoor equipment outdoor interface of the signal channel.
2. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the two groups of discharge electrodes (2) are made of high-melting-point materials.
3. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the upper ends of the two groups of discharge electrodes (2) are fixedly sleeved at the lower end of the protective shell (1).
4. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the bolts (4) are respectively penetrated and screwed in the symmetry center of the grounding metal plate (3) and the symmetry center of the protective shell (1).
5. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the bolts (4) and the two groups of discharge electrodes (2) are mutually insulated.
6. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the two groups of cavities (5) transversely penetrate through and are sleeved in the protective shell (1).
7. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the upper end of the cavity (5) is attached to the lower end of the grounding metal plate (3).
8. An asymmetrical high voltage pulse rail circuit board discharge protection device as defined in claim 1 wherein: the grounding metal plate (3) and the bolts (4) are both made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309344.5A CN109398415B (en) | 2018-11-05 | 2018-11-05 | Rod plate discharge protection device for asymmetric high-voltage pulse track circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309344.5A CN109398415B (en) | 2018-11-05 | 2018-11-05 | Rod plate discharge protection device for asymmetric high-voltage pulse track circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109398415A CN109398415A (en) | 2019-03-01 |
| CN109398415B true CN109398415B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811309344.5A Active CN109398415B (en) | 2018-11-05 | 2018-11-05 | Rod plate discharge protection device for asymmetric high-voltage pulse track circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN109398415B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202535055U (en) * | 2012-02-06 | 2012-11-14 | 深圳市瑞隆源电子有限公司 | Security surveillance camera and lightning protection module thereof |
| CN206255024U (en) * | 2016-12-22 | 2017-06-16 | 北京全路通信信号研究设计院集团有限公司 | A kind of high-voltage pulse track circuit system |
| CN206427056U (en) * | 2017-01-23 | 2017-08-22 | 西安思源科创轨道交通技术开发有限公司 | The asymmetric high-voltage pulse track circuit system of DC traction |
| CN107919659A (en) * | 2017-11-13 | 2018-04-17 | 北京全路通信信号研究设计院集团有限公司 | Possess the asymmetric high-voltage pulse track circuit and lightning protection method of lightning protection function |
| CN209159726U (en) * | 2018-11-05 | 2019-07-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of asymmetry high-voltage pulse track circuit stick plate electric discharge protective device |
-
2018
- 2018-11-05 CN CN201811309344.5A patent/CN109398415B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202535055U (en) * | 2012-02-06 | 2012-11-14 | 深圳市瑞隆源电子有限公司 | Security surveillance camera and lightning protection module thereof |
| CN206255024U (en) * | 2016-12-22 | 2017-06-16 | 北京全路通信信号研究设计院集团有限公司 | A kind of high-voltage pulse track circuit system |
| CN206427056U (en) * | 2017-01-23 | 2017-08-22 | 西安思源科创轨道交通技术开发有限公司 | The asymmetric high-voltage pulse track circuit system of DC traction |
| CN107919659A (en) * | 2017-11-13 | 2018-04-17 | 北京全路通信信号研究设计院集团有限公司 | Possess the asymmetric high-voltage pulse track circuit and lightning protection method of lightning protection function |
| CN209159726U (en) * | 2018-11-05 | 2019-07-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of asymmetry high-voltage pulse track circuit stick plate electric discharge protective device |
Non-Patent Citations (1)
| Title |
|---|
| 多特征脉冲轨道电路探究;李涛;;中国高新技术企业(第34期);48-50 * |
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| CN109398415A (en) | 2019-03-01 |
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