CN209461800U - A kind of passive arrester - Google Patents
A kind of passive arrester Download PDFInfo
- Publication number
- CN209461800U CN209461800U CN201821579672.2U CN201821579672U CN209461800U CN 209461800 U CN209461800 U CN 209461800U CN 201821579672 U CN201821579672 U CN 201821579672U CN 209461800 U CN209461800 U CN 209461800U
- Authority
- CN
- China
- Prior art keywords
- shell
- centerbody
- inductance
- screw rod
- arrester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of passive arresters, shell, center needle, inductance screw rod, shell is detachable external conductive casing, including shell centerbody, left shell, right shell body, inductance screw rod is arranged in shell centerbody, center needle is arranged in left shell, in the cavity that right shell body and shell centerbody are formed, inductance screw rod bottom end and center needle perpendicular contact, one end that inductance screw rod is contacted with shell centerbody is cylindrical contact head, the circular hole that cylindrical contact head is arranged with shell centerbody center matches, inductance screw rod top is conductive by metal nut and shell centerbody, shell centerbody is equipped with ground line connector far from one end of inductance screw rod, signal is set electrically to be in high impedance using the electrical characteristic that the logical straight resistance of inductance is handed over, the short circuit and thunder and lightning direct current is connected with shell, realize lightning protection effect, protect equipment not by inrush current shock.
Description
Technical field
The utility model belongs to arrester field more particularly to a kind of passive arrester.
Background technique
High transient overvoltage harm when for protecting electrical equipment against lightning stroke, and time of afterflow is limited, also often limitation is continuous
Flow a kind of electric appliance of amplitude.Arrester is otherwise referred to as over-voltage protector, overvoltage limiter.Arrester be connected to cable and
It is usually in parallel with protected device between the earth.Arrester can be effectively protected communication equipment, once there is abnormal electricity
Pressure, arrester will be acted, played a protective role.When the communications cable or equipment are run under normal working voltage, take shelter from the thunder
Device will not generate effect, be considered as open circuit for ground.Once high voltage occur, and jeopardize protected device insulation, take shelter from the thunder
Device acts immediately, by high-voltage impact conduct current the earth, to limit voltage magnitude, protects the communications cable and apparatus insulated.
After having served as loss of voltage, arrester restores to the original state rapidly, works normally communication line.
Therefore, the main function of arrester is the effect by parallel spark gap or nonlinear resistance, is flowed to invasion
Wave carries out cutting width, reduces overvoltage value suffered by protected device, to play the role of protecting communication line and equipment.
Application No. is CN201510922512.8, the applyings date are as follows: 20151214 titles are as follows: a kind of high intensity extra-high voltage
In the patent of arrester, a kind of high-intensitive ultra-high voltage lightning arrester is disclosed, a kind of high intensity ultra-high voltage lightning arrester, it is vertical to be included in
The unit section that direction sequentially coaxially concatenates, each unit section include exterior insulation set and internal nonlinearity resistive element；It is described to keep away
The entirety of thunder device is maximum in the porcelain knob cross-sectional diameter of base unit section, the smallest tower of porcelain knob cross-sectional diameter of top unit section
Shape structure, etc. the stress that each unit section bottom generates under loading conditions it is consistent.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of passive in order to overcome the problems of the above-mentioned prior art and keep away
Thunder device.
The technical issues of the utility model is solved is to provide a kind of passive arrester.
The purpose of the utility model can be achieved through the following technical solutions:
A kind of passive arrester, comprising: shell 1, center needle 2, inductance screw rod 3, center needle 2 and inductance screw rod 3
Be mounted on inside shell 1, the shell 1 be detachable external conductive casing, the shell 1 include shell centerbody 102, left shell 103,
Right shell body 101, the left shell 103 and right shell body 101 are connected to 102 left and right ends of shell centerbody and form hollow cavity,
The inductance screw rod 3 is arranged in shell centerbody 102, and the center needle 2 is arranged in left shell 103, right shell body 101 and shell
In the cavity that heart body 102 is formed, 3 bottom end of inductance screw rod and 2 perpendicular contact of center needle, the inductance screw rod 3 is in
One end that heart needle 2 contacts is cylindrical contact head, and the circular hole that the cylindrical contact head is arranged with 2 center of center needle matches,
3 top of inductance screw rod is conductive by metal nut and shell centerbody 102, and the shell centerbody 102 is far from inductance spiral
One end of bar 3 is equipped with ground line connector 104.
Preferably, the center needle 2 is fixed in shell 1 by polytetrafluoro vinyl chloride pad 4.
It is furthermore preferred that there are two the polytetrafluoro vinyl chloride pad 4 sets.
Preferably, the shell centerbody 102 is detachable shell, and the shell centerbody 102 includes inductance connection shell 1021
Shell 1022 is connected with centerbody.
Preferably, the left shell 103 is externally provided with external screw thread, and the left shell 103 is externally provided with fixture nut 5.
Preferably, the right shell body 101 is equipped with external screw thread, and the right shell body 101 is externally provided with fixture nut.
The utility model has the beneficial effects that
The purpose of the invention patent is to design arrester in equipment access, is only used for passive signal system, utilizes inductance
The electrical characteristic that logical straight resistance is handed over makes signal electrically be in high impedance (open circuit), and thunder and lightning direct current is connected short circuit with shell, and realization is taken shelter from the thunder
Effect protects equipment not by inrush current shock.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of passive arrester, and arrow as shown in the figure is profile direction.
Fig. 2 is a kind of cross-sectional view of passive arrester.
In figure: 1- shell；101- right shell body；102- centerbody；103- left shell；104- is grounded connector；1021- electricity
Sense connection shell；1022- centerbody connects shell；The center 2- needle；3- inductance screw rod；4- polytetrafluoro vinyl chloride pad；5- fixture nut.
Specific embodiment
In conjunction with shown in attached Fig. 1 and 2, the technical solution of the utility model is further described:
A kind of passive arrester, comprising: shell 1, center needle 2, inductance screw rod 3, center needle 2 and inductance screw rod 3
Be mounted on inside shell 1, the shell 1 be detachable external conductive casing, the shell 1 include shell centerbody 102, left shell 103,
Right shell body 101, the left shell 103 and right shell body 101 are connected to 102 left and right ends of shell centerbody and form hollow cavity,
The inductance screw rod 3 is arranged in shell centerbody 102, and the center needle 2 is arranged in left shell 103, right shell body 101 and shell
In the cavity that heart body 102 is formed, 3 bottom end of inductance screw rod and 2 perpendicular contact of center needle, the inductance screw rod 3 is in
One end that heart needle 2 contacts is cylindrical contact head, and the circular hole that the cylindrical contact head is arranged with 2 center of center needle matches,
3 top of inductance screw rod is conductive by metal nut and shell centerbody 102, and the shell centerbody 102 is far from inductance spiral
One end of bar 3 is equipped with ground line connector 104.
In the present embodiment, it is preferred that the center needle 2 is fixed in shell 1 by polytetrafluoro vinyl chloride pad 4.More preferably
, there are two the polytetrafluoro vinyl chloride pad 4 is set.
It is as shown in Fig. 2:
In the present embodiment, it is preferred that the shell centerbody 102 is detachable shell, and the shell centerbody 102 includes inductance
Connection shell 1021 connects shell 1022 with centerbody.
In the present embodiment, it is preferred that the left shell 103 is externally provided with external screw thread, and the left shell 103 is externally provided with fixed spiral shell
Mother 5.
In the present embodiment, it is preferred that the right shell body 101 is equipped with external screw thread, and the right shell body 101 is externally provided with fixed spiral shell
It is female.
This structure is that arrester in design equipment access, signal are transmitted by center needle 2, utilizes the logical straight resistance friendship of inductance
Electrical characteristic makes signal electrically be in high impedance (open circuit), and the short circuit and thunder and lightning direct current is connected with shell, shell centerbody 102 is far from inductance
One end of screw rod 3 is equipped with ground line connector 104, is grounded connector at this time and ground line connects, extra high pressure passes through
Export connect wires to realize lightning protection effect, protects equipment not by inrush current shock.This arrester is passive, is only used for nothing
Source signal system, cannot additional making alive.
Finally, it should be noted that above embodiments are only to illustrate rather than limit the technical solution of the utility model, although
The utility model is described in detail referring to above-described embodiment, those skilled in the art should understand that: still may be used
To be modified or replaced equivalently to the utility model, without departing from the spirit and scope of the utility model, and appended right
It is required that being intended to these modifications fallen into the spirit and scope of the utility model or equivalent replacement.
Claims (6)
1. a kind of passive arrester, comprising: shell (1), center needle (2), inductance screw rod (3), center needle (2) and inductance spiral shell
Spinner handle (3) is mounted on shell (1) inside,
It is characterized by:
The shell (1) is detachable external conductive casing, and the shell (1) includes shell centerbody (102), left shell (103), right shell
Body (101), the left shell (103) and right shell body (101) are connected to shell centerbody (102) left and right ends and form hollow cavity
Body, in shell centerbody (102), the center needle (2) is arranged in left shell (103), right shell for inductance screw rod (3) setting
In the cavity that body (101) and shell centerbody (102) are formed, inductance screw rod (3) bottom end and center needle (2) perpendicular contact,
One end that the inductance screw rod (3) contacts with center needle (2) is cylindrical contact head, the cylindrical contact head and center needle
(2) circular hole of center setting matches, and inductance screw rod (3) top is conductive by metal nut and shell centerbody (102),
The shell centerbody (102) is equipped with ground line connector (104) far from the one end of inductance screw rod (3).
2. a kind of passive arrester as described in claim 1, it is characterised in that: the center needle (2) passes through polytetrafluoro chlorine
Ethylene pad (4) is fixed in shell (1).
3. a kind of passive arrester as claimed in claim 2, it is characterised in that: the polytetrafluoro vinyl chloride pad (4) is equipped with
Two.
4. a kind of passive arrester as described in claim 1, it is characterised in that: the shell centerbody (102) is detachable
Shell, the shell centerbody (102) include that inductance connection shell (1021) connects shell (1022) with centerbody.
5. a kind of passive arrester as described in claim 1, it is characterised in that: the left shell (103) is externally provided with outer spiral shell
Line, the left shell (103) are externally provided with fixture nut (5).
6. a kind of passive arrester as described in claim 1, it is characterised in that: the right shell body (101) is equipped with external screw thread,
The right shell body (101) is externally provided with fixture nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579672.2U CN209461800U (en) | 2018-09-26 | 2018-09-26 | A kind of passive arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579672.2U CN209461800U (en) | 2018-09-26 | 2018-09-26 | A kind of passive arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461800U true CN209461800U (en) | 2019-10-01 |
Family
ID=68035081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579672.2U Expired - Fee Related CN209461800U (en) | 2018-09-26 | 2018-09-26 | A kind of passive arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461800U (en) |
-
2018
- 2018-09-26 CN CN201821579672.2U patent/CN209461800U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20210926 |