CN212060466U - Line detection device for optical difference protection - Google Patents
Line detection device for optical difference protection Download PDFInfo
- Publication number
- CN212060466U CN212060466U CN202020653562.7U CN202020653562U CN212060466U CN 212060466 U CN212060466 U CN 212060466U CN 202020653562 U CN202020653562 U CN 202020653562U CN 212060466 U CN212060466 U CN 212060466U
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- China
- Prior art keywords
- movable rod
- device body
- rear cover
- compression spring
- differential protection
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Abstract
The utility model discloses a line detection device for optical differential protection, which comprises a device body, the bottom end of the device body is provided with a rear cover, both ends of the rear cover are respectively bonded with a fixing strip, one side of the bottom end of the rear cover is bonded with a positioning strip, the rear cover is inserted into the bottom end of the device body in a sliding way through the alignment of the fixing strip and the butt joint groove, when the rear cover is matched with the device body, the fixed screw is screwed to drive the first movable rod to move, the first movable rod extrudes the second movable rod in the positioning strip to enable one end of the second movable rod to be inserted into the slot, one end of the first movable rod is inserted into the inner side of the positioning strip so as to limit the movement of the rear cover, when the rear cover needs to be opened, the fixed screw rod is screwed out, because first compression spring and second compression spring's effect makes first movable rod and second movable rod reset, the back lid can the roll-off to be convenient for install the body inside and overhaul the maintenance.
Description
Technical Field
The utility model relates to a power equipment technical field specifically is a circuit detection device for light difference protection.
Background
The optical differential protection is actually differential protection, which is formed by converting electrical quantities on two sides into digital signals and then performing bilateral communication through optical fibers to compare the electrical quantities on the two sides, adopts a split-phase current differential element as fast main protection, and adopts a PCM optical fiber or an optical cable as a channel to enable the action speed of the optical differential protection to be faster, so that the optical differential protection is generally applied to very important lines as main protection and can protect the whole length of the lines.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a line detection device for light difference protection to solve and provide in the above-mentioned background art because when line detection device used for a long time, interior component has the consume, need overhaul, and traditional line detection device casing is difficult to dismantle, overhauls inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: a line detection device for optical difference protection comprises a device body, wherein an overhaul assembly is mounted at the bottom end of the device body and comprises a rear cover, a fixed strip, a positioning strip, a fixed hole, a first movable rod, a first compression spring, a first limiting ring, a fixed screw, a second movable rod, a second compression spring and a second limiting ring;
the utility model discloses a device, including device body, back lid, first expansion link, first compression spring, first expansion link, second compression spring, back lid, fixed orifices inner wall one end sliding connection has a first movable rod, the outside one side cover of first movable rod has first compression spring, the welding of first movable rod one end has the spacing ring, the fixed orifices inner wall other end has set screw through threaded mounting, the activity of fixed orifices one end has run through the second movable rod, second movable rod outside middle part one side cover has second compression spring, the fixed cover in second movable rod outside middle part has the second spacing ring.
Preferably, the top ends of the two sides of the inner wall of the device body are provided with butt joint grooves corresponding to the fixing strips.
Preferably, one side of the bottom end of the device body is provided with a positioning groove corresponding to the positioning strip, and one end of the inner wall of the positioning groove is provided with a slot corresponding to the second movable rod.
Preferably, the middle part of the inner side of the positioning strip is provided with a limiting groove corresponding to the second limiting ring.
Preferably, the side surface of the device body is provided with a heat dissipation assembly, and the heat dissipation assembly comprises a mounting hole, a fan, a dustproof net, a heat dissipation plate and a heat dissipation groove;
the device body is characterized in that a mounting hole is formed in the middle of one side of the device body, a fan is installed on the inner wall of the mounting hole, a dustproof net is bonded to one end of the fan, a heat dissipation plate is evenly installed on the other side of the device body, and heat dissipation grooves are evenly formed in the bottom end of the heat dissipation plate.
Preferably, the top end of the device body is provided with a detection line.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the fixed strip with butt joint groove alignment with back lid slip insertion device body bottom, when back lid agrees with the device body, twist and move clamping screw, make clamping screw drive first movable rod motion, the second movable rod in the first movable rod extrusion location strip, make second movable rod one end insert in the slot, first movable rod one end is inserted in the location strip inboard this moment, thereby the activity of lid behind the restriction, when the back lid is opened to needs, twist out clamping screw, because first compression spring and second compression spring's effect makes first movable rod and second movable rod reset, the back lid can the roll-off, thereby be convenient for overhaul the maintenance inside the device body.
2. Can blow the heat dissipation to device body inside through the fan to through heating panel and radiating groove increase with the area of contact of air, promote the radiating effect, thereby can prevent that device body live time is too long, its inside high temperature from causing the internal component to burn out.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a middle maintenance assembly of the present invention;
FIG. 3 is a schematic view of the first movable rod mounting structure of the present invention;
fig. 4 is a schematic view of the mounting structure of the second compression spring of the present invention.
In the figure: 1. a device body;
2. overhauling the assembly; 201. a rear cover; 202. a fixing strip; 203. a positioning bar; 204. a fixing hole; 205. a first movable bar; 206. a first compression spring; 207. a first limit ring; 208. fixing the screw rod; 209. a second movable bar; 210. a second compression spring; 211. a second stop collar;
3. a heat dissipating component; 301. mounting holes; 302. a fan; 303. a dust screen; 304. a heat dissipation plate; 305. a heat sink;
4. and detecting lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a line detection device for optical difference protection comprises a device body 1, wherein an overhaul assembly 2 is mounted at the bottom end of the device body 1, and the overhaul assembly 2 comprises a rear cover 201, a fixed bar 202, a positioning bar 203, a fixed hole 204, a first movable rod 205, a first compression spring 206, a first limit ring 207, a fixed screw 208, a second movable rod 209, a second compression spring 210 and a second limit ring 211;
the bottom end of the device body 1 is provided with a back cover 201, both ends of the back cover 201 are respectively bonded with a fixed strip 202, one side of the bottom end of the back cover 201 is bonded with a positioning strip 203, one end of the side surface of the device body 1 is provided with a fixed hole 204, one end of the inner wall of the fixed hole 204 is slidably connected with a first movable rod 205, one side of the outer part of the first movable rod 205 is sleeved with a first compression spring 206, one end of the first movable rod 205 is welded with a spacing ring 207, the other end of the inner wall of the fixed hole 204 is provided with a fixed screw 208 through threads, one end of the positioning strip 203 movably penetrates through a second movable rod 209, one side of the middle part of the outer side of the second movable rod 209 is sleeved with a second compression spring 210, the middle part of the outer side of the second movable rod 209 is fixedly sleeved with a second spacing ring 211, the top ends of both sides of the inner wall of the device body 1 are provided with butt joint grooves corresponding, and the slot that corresponds with second movable rod 209 is seted up to constant head tank inner wall one end, and the second movable rod 209 one end of being convenient for inserts in the slot to lid 201's activity after the restriction, the installation of lid 201 is accomplished, and the spacing groove that corresponds with second spacing ring 211 is seted up at the inboard middle part of location strip 203, and the second movable rod 209 of being convenient for compresses the activity of second compression spring 210 through second spacing ring 211.
The side surface of the device body 1 is provided with a heat dissipation component 3, and the heat dissipation component 3 comprises a mounting hole 301, a fan 302, a dustproof net 303, a heat dissipation plate 304 and a heat dissipation groove 305;
mounting hole 301 has been seted up at 1 one side middle part of device body, fan 302 is installed to mounting hole 301 inner wall, fan 302 one end bonds and has dust screen 303, heating panel 304 is evenly installed to 1 opposite side of device body, radiating groove 305 has evenly been seted up to heating panel 304 bottom, can be when the device long-term operation, blow the heat dissipation to 1 inside of device body, through increasing and air area of contact through heating panel 304 and radiating groove 305, promote the radiating effect, detection line 4 is installed on 1 top of device body.
The working principle is as follows: when the rear cover 201 is installed, the fixing strips 202 at both sides of the rear cover 201 are aligned with the butt-joint grooves on the device body 1, and inserted into the rear cover 201, so that the rear cover 201 is engaged with the device body 1, then the fixed screw 208 is screwed, one end of the fixed screw 208 drives the first movable rod 205 to move, the first movable rod 205 is inserted into the inner side of the positioning bar 203 and extrudes the second movable rod 209, thereby driving the second movable bar 209 to move together, so that one end of the second movable bar 209 is inserted into the slot, thereby completing the installation and fixation of the rear cover 201, at this time, the first compression spring 206 and the second compression spring 210 are in a compressed state by the action of the first retainer ring 207 and the second retainer ring 211, when the rear cover 201 is detached, the fixing screw 208 is screwed out, and the first movable rod 205 and the second movable rod 209 are reset through the action of the first compression spring 206 and the second compression spring 210, so that the rear cover 201 can be slid, and the inside of the device body 1 can be conveniently overhauled;
can blow to device body 1 inside through fan 302, drive the hot-air and flow, can increase the area of contact with the air through heating panel 304 and radiating groove 305, the heat is transmitted away through heating panel 304 and radiating groove 305, and the radiating effect is better, prevents that its inside temperature is higher when device body 1 long-time during operation, causes the relevant component to damage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A line detection device for optical differential protection, comprising a device body (1), characterized in that: the device comprises a device body (1) and is characterized in that an overhauling assembly (2) is installed at the bottom end of the device body (1), and the overhauling assembly (2) comprises a rear cover (201), a fixed strip (202), a positioning strip (203), a fixed hole (204), a first movable rod (205), a first compression spring (206), a first limiting ring (207), a fixed screw (208), a second movable rod (209), a second compression spring (210) and a second limiting ring (211);
a rear cover (201) is arranged at the bottom end of the device body (1), fixing strips (202) are bonded at the two ends of the rear cover (201), a positioning strip (203) is bonded on one side of the bottom end of the rear cover (201), a fixing hole (204) is formed in one end of the side surface of the device body (1), one end of the inner wall of the fixed hole (204) is connected with a first movable rod (205) in a sliding way, a first compression spring (206) is sleeved at one side of the outer part of the first movable rod (205), one end of the first movable rod (205) is welded with a limit ring (207), the other end of the inner wall of the fixed hole (204) is provided with a fixed screw (208) through threads, a second movable rod (209) is movably penetrated at one end of the positioning strip (203), a second compression spring (210) is sleeved at one side of the middle part of the outer side of the second movable rod (209), and the middle part of the outer side of the second movable rod (209) is fixedly sleeved with a second limiting ring (211).
2. A line inspection apparatus for optical differential protection according to claim 1, wherein: the top ends of two sides of the inner wall of the device body (1) are provided with butt joint grooves corresponding to the fixing strips (202).
3. A line inspection apparatus for optical differential protection according to claim 1, wherein: one side of the bottom end of the device body (1) is provided with a positioning groove corresponding to the positioning strip (203), and one end of the inner wall of the positioning groove is provided with a slot corresponding to the second movable rod (209).
4. A line inspection apparatus for optical differential protection according to claim 1, wherein: the middle part of the inner side of the positioning strip (203) is provided with a limiting groove corresponding to the second limiting ring (211).
5. A line inspection apparatus for optical differential protection according to claim 1, wherein: the side surface of the device body (1) is provided with a heat dissipation assembly (3), and the heat dissipation assembly (3) comprises a mounting hole (301), a fan (302), a dust screen (303), a heat dissipation plate (304) and a heat dissipation groove (305);
mounting hole (301) have been seted up at device body (1) one side middle part, fan (302) are installed to mounting hole (301) inner wall, fan (302) one end bonds and has dust screen (303), heating panel (304) are evenly installed to device body (1) opposite side, radiating groove (305) have evenly been seted up to heating panel (304) bottom.
6. A line inspection apparatus for optical differential protection according to claim 5, wherein: the device is characterized in that a detection line (4) is installed at the top end of the device body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020653562.7U CN212060466U (en) | 2020-04-26 | 2020-04-26 | Line detection device for optical difference protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020653562.7U CN212060466U (en) | 2020-04-26 | 2020-04-26 | Line detection device for optical difference protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212060466U true CN212060466U (en) | 2020-12-01 |
Family
ID=73517583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020653562.7U Expired - Fee Related CN212060466U (en) | 2020-04-26 | 2020-04-26 | Line detection device for optical difference protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212060466U (en) |
-
2020
- 2020-04-26 CN CN202020653562.7U patent/CN212060466U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |