CN104051993A - Cable protecting clamp - Google Patents
Cable protecting clamp Download PDFInfo
- Publication number
- CN104051993A CN104051993A CN201410256806.7A CN201410256806A CN104051993A CN 104051993 A CN104051993 A CN 104051993A CN 201410256806 A CN201410256806 A CN 201410256806A CN 104051993 A CN104051993 A CN 104051993A
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- China
- Prior art keywords
- box body
- circuit
- electrical connection
- control circuit
- cable
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- 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.)
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a cable protecting clamp which comprises a box body and a cover body, wherein an opening allowing a cable head to extend into the box body is formed in the front wall of the box body, the rear end of the cover body is connected with the rear end of the box body, and the cover body is rotatable to enable the front end of the cover body to position the cable in the box body. The protecting clamp further comprises a positioning structure used for positioning the cover body. An electric testing system is connected in the box body. According to the cable protecting clamp, the cable is clamped in the box body through the box body and the cover body, fastening and connection between the box body and the cover body are guaranteed through the positioning structure, and the cable is prevented from falling out of the box body through the positioning structure; compared with the winding insulation method, the clamp has the advantages that operation is convenient, operation time is short, working efficiency is high, and potential safety hazards of temporary protection are eliminated due to the fact that an electrifying warning can be given and the mark of the cable can be displayed through the electric testing system.
Description
Technical field
The present invention relates to a kind of cable protective fixture.
Background technology
At present both at home and abroad, processing for cable end provisional protection, the mode that all adopts adhesive plaster to be temporarily wound around insulation is measured attaching.For the also good solution of neither one on means of defence.For the sign problem of cable in attaching, be all generally by manually write down temporarily, also because there is so many setup errors and problem.
Summary of the invention
Problem to be solved by this invention is to provide a kind of cable protective fixture, has not only eliminated the potential safety hazard on provisional protection, has solved the charged prompting of cable and the definition of the sign of cable simultaneously.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of cable protective fixture, comprise box body and lid, the antetheca of described box body is provided with for cable head and pierces into the opening in box body, the rear end of described lid and the switching of the rear end of box body, described lid rotatably makes the front end of lid position the cable in box body, and Protecting clamping apparatus also comprises the location structure for locating lid, is connected with survey electric system in described box body.By box body and lid, cable clamp is held in box body, ensure that by location structure being fastenedly connected of box body and lid avoid cable to drop out from box body, with respect to the mode that is wound around insulation, easy to operate, operating time end, operating efficiency is high, and the sign of sending charged prompting and showing cable by surveying electric system, eliminates the potential safety hazard on provisional protection.
Improved, described lid is provided with the side plate stretching out towards box body, and described location structure comprises that the draw-in groove being located on box side wall can embed the buckle in draw-in groove with being located on side plate outer wall.The relative positioning that ensures box body and lid by the snapping of draw-in groove and buckle, is fastened in box body cable, and syndeton is simple, easy to process.
Improved, on described box side wall along some draw-in grooves that are circumferentially with of the pivot of box body and lid.Buckle and different draw-in groove snapping are to adapt to the different cable of radial dimension.
Improved, in described box body, be provided with Compress Spring, one end of described Compress Spring is fixedly connected with box body, the other end is provided with supporting bracket.Strengthen box body and the clamping position of lid to cable, and adapt to the cable of how different radial dimensions, namely radial dimension continually varying cable all can be able to clamping position within the specific limits.
Improved, in described box body, be provided with and ensure the guide vane end stop of Compress Spring in compressive state, described guide vane end stop is positioned at the side near lid in supporting bracket.By the position of guide vane end stop restriction supporting bracket, and then ensure that Compress Spring is all the time in compressive state.
Improved, described survey electric system comprises sensor circuit, control circuit and sign circuit, described sensor circuit comprises inductive probe and charged demonstration, the output of described inductive probe and the electrical connection of the input of control circuit, the output of described control circuit and the electrical connection of the input of charged demonstration, described sign circuit comprises input circuit and indicates and shows, the output of described input circuit and the electrical connection of the input of control circuit, the output of described control circuit and sign show electrical connection, described charged demonstration, input circuit and sign demonstration are all fixed on the outer wall of box body.Inductive probe senses that cable is charged, and by electric signal transmission, to control circuit, control circuit judges the signal of telecommunication and according to the lighting of the charged demonstration of judged result control, sends charged prompting; Switch the definition of cable by input circuit, and by being arranged in advance the internal processes of control circuit, indicating the sign that shows cable in demonstration, eliminated the potential safety hazard on provisional protection.
Improved, described inductive probe is by buffer circuit and control circuit electrical connection, and the output of described inductive probe and the input of buffer circuit are electrically connected, the output of described buffer circuit and the electrical connection of the output of control circuit.Analog signal inductive probe being sensed by buffer circuit is converted into digital data transmission to control circuit.
Improved, described inductive probe is by amplifying circuit and buffer circuit electrical connection, and the output of described inductive probe and the input of amplifying circuit are electrically connected, and the output of described amplifying circuit is connected with the input of buffer circuit.Amplifying circuit to inductive probe to signal amplify processing.
Improved, described input circuit comprises the first button for defining line, for defining the second button of phase sequence and for defining the 3rd button of current/voltage, the output of described button and the electrical connection of the input of control circuit, described button installs to box body outside fix on the outer wall of box body from box body.Switch the definition of carrying out cable by three buttons, by being arranged in advance the internal processes of control circuit, indicating the sign that shows cable in demonstration.
Improved, described control circuit is DSP control circuit and memory circuit, described DSP control circuit and the two-way electrical connection of memory circuit.DSP control circuit can be stored the sign of input, prevents that, just in case power down or system are closed by mistake, after recovering, the sign of system can normally show.
Beneficial effect:
Adopt after technique scheme, a kind of cable protective fixture of this invention, by box body and lid, cable clamp is held in box body, ensure that by location structure being fastenedly connected of box body and lid avoid cable to drop out from box body, with respect to the mode that is wound around insulation, easy to operate, operating time end, operating efficiency is high, and the sign of sending charged prompting and showing cable by surveying electric system, eliminates the potential safety hazard on provisional protection.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the front view of a kind of cable protective fixture of the present invention;
Fig. 2 is the end view of a kind of cable protective fixture under buckle draw-in groove buckle state;
Fig. 3 is the end view of a kind of cable protective fixture under buckle draw-in groove disengaged position;
Fig. 4 is the structural representation of Compress Spring and guide vane end stop;
Fig. 5 is the vertical view of a kind of cable protective fixture of the present invention;
Fig. 6 is the structural representation of surveying electric system;
Fig. 7 is the circuit diagram of sensor circuit.
Embodiment
As shown in Figures 1 to 4, a kind of cable protective fixture, comprise box body 1 and lid 2, the antetheca of described box body is provided with for cable head and pierces into the opening 11 in box body, the rear end of described lid and the switching of the rear end of box body, described lid rotatably makes the front end of lid position the cable in box body, Protecting clamping apparatus also comprises the location structure for locating lid, described lid is provided with the side plate 21 stretching out towards box body, described box body is provided with the groove 12 passing for side plate, to strengthen the rotation amplitude of lid in box body, while avoiding lid to rotate near box body, be subject to the obstruction of box body and can not arrive desired location, described location structure comprises and being located on box side wall and along some draw-in grooves 31 of the circumferential distribution of the pivot of box body and lid be located on side plate outer wall and can embed the buckle 32 in draw-in groove, in the present embodiment, described draw-in groove is provided with three, in described box body, be provided with Compress Spring 41, one end of described Compress Spring is fixedly connected with box body, the other end is provided with supporting bracket 42, in described box body, be provided with and ensure the guide vane end stop 43 of Compress Spring in compressive state, described guide vane end stop is positioned at the side near lid in supporting bracket.
As shown in Figures 5 to 7, in described box body, be connected with survey electric system, described survey electric system comprises sensor circuit 5, control circuit 6 and indicates circuit 7, described sensor circuit comprises inductive probe 51, amplifying circuit 52, buffer circuit 53 and charged demonstration 54, described control circuit comprises DSP control circuit 61 and memory circuit 62, described sign circuit comprises that input circuit 71 and sign show 72, and described charged demonstration, input circuit and sign demonstration are all fixed on the outer wall of box body:
The output of described inductive probe and the electrical connection of the input of amplifying circuit, the output of described amplifying circuit and the electrical connection of the input of buffer circuit, the input electrical connection of the output of described buffer circuit and DSP control circuit, the output of described DSP control circuit and the electrical connection of the input of charged demonstration, in the present embodiment, described inductive probe is the grid of field effect transistor, described amplifying circuit is triode, described buffer circuit is A/D converter, the described charged light-emitting diode that is shown as, described light-emitting diode installs to box body and is fixed on outward on the outer wall of box body from box body, described light-emitting diode is in series with normal open switch 55, the output electrical connection of described normal open switch and DSP control circuit is opened and closed by the control of DSP control circuit, the grid of field effect transistor is from space electric field senses measured signal, after amplifying, triode is transferred to A/D converter, A/D converter changes into digital data transmission to DSP control circuit by signal, DSP control circuit control lumination of light emitting diode shows, R1 is the load resistance of field effect transistor, resistance can suitably be adjusted according to the electric current of field effect transistor, require source electrode, voltage U sd between drain electrode in the time of non-inductive signal a little less than 0.7V, triode just ends, light-emitting diode does not work, R2 is the current-limiting resistance of light-emitting diode, by current limit within the rated value of 15～20mA, field effect transistor must make the grid of field effect transistor as far as possible away from miscellaneous part while installation, preferably unsettledly do not contact any parts, because it is equivalent to an antenna, be used for responding to electric field around, if want to improve the electric sensitivity of survey, can be welded with the long short-term of 25～45mm at grid, at this moment survey that electricity can whether it charged measuring apart from tested AC power cord 0.4m place,
The output of described input circuit and and the input electrical connection of DSP control circuit, the output of described DSP control circuit and sign show electrical connection, in the present embodiment, described input circuit comprises the first button for defining line, for defining the second button of phase sequence and for defining the 3rd button of current/voltage, the output of described button and the electrical connection of the input of control circuit, described sign is shown as LCDs, described button installs to box body outside fix on the outer wall of box body from box body, described LCDs is fixed on the outer wall of box body, make to show in LCDs A phase voltage inlet wire or B phase voltage inlet wire or C phase voltage inlet wire or A phase current inlet wire or B phase current inlet wire or C phase current inlet wire or the outlet of A phase voltage or the outlet of B phase voltage or the outlet of C phase voltage or the outlet of A phase current or the outlet of B phase current or the outlet of C phase current by the switching of three buttons,
The output of described DSP control circuit and the electrical connection of the input of memory circuit are stored the unlabeled data of output circuit input in memory circuit into, and the unlabeled data in memory circuit is read in the input of described DSP control circuit and the electrical connection of the output of memory circuit.
Except above preferred embodiment, the present invention also has other execution mode, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (10)
1. a cable protective fixture, it is characterized in that: comprise box body (1) and lid (2), the antetheca of described box body is provided with for cable head and pierces into the opening (11) in box body, the rear end of described lid and the switching of the rear end of box body, described lid rotatably makes the front end of lid position the cable in box body, Protecting clamping apparatus also comprises the location structure for locating lid, is connected with survey electric system in described box body.
2. a kind of cable protective fixture according to claim 1, it is characterized in that: described lid is provided with the side plate (21) stretching out towards box body, described location structure comprises the draw-in groove (31) being located on box side wall and is located on side plate outer wall and can embed the buckle (32) in draw-in groove.
3. a kind of cable protective fixture according to claim 2, is characterized in that: on described box side wall along some draw-in grooves that are circumferentially with of the pivot of box body and lid.
4. a kind of cable protective fixture according to claim 3, is characterized in that: in described box body, be provided with Compress Spring (41), one end of described Compress Spring is fixedly connected with box body, the other end is provided with supporting bracket (42).
5. a kind of cable protective fixture according to claim 4, is characterized in that: in described box body, be provided with and ensure the guide vane end stop (43) of Compress Spring in compressive state, described guide vane end stop is positioned at the side near lid in supporting bracket.
6. according to the arbitrary described a kind of cable protective fixture of claim 1 to 5, it is characterized in that: described survey electric system comprises sensor circuit (5), control circuit (6) and sign circuit (7), described sensor circuit comprises inductive probe (51) and charged demonstration (54), the output of described inductive probe and the electrical connection of the input of control circuit, the output of described control circuit and the electrical connection of the input of charged demonstration, described sign circuit comprises input circuit (71) and indicates demonstration (72), the output of described input circuit and the electrical connection of the input of control circuit, the output of described control circuit and sign show electrical connection, described charged demonstration, input circuit and sign demonstration are all fixed on the outer wall of box body.
7. a kind of cable protective fixture according to claim 6, it is characterized in that: described inductive probe is by buffer circuit (53) and control circuit electrical connection, the output of described inductive probe and the electrical connection of the input of buffer circuit, the output of described buffer circuit and the electrical connection of the output of control circuit.
8. a kind of cable protective fixture according to claim 7, it is characterized in that: described inductive probe is by amplifying circuit (52) and buffer circuit electrical connection, the output of described inductive probe and the electrical connection of the input of amplifying circuit, the output of described amplifying circuit is connected with the input of buffer circuit.
9. a kind of cable protective fixture according to claim 6, it is characterized in that: described input circuit comprises the first button for defining line, for defining the second button of phase sequence and for defining the 3rd button of current/voltage, the electrical connection of the output of described button and the input of control circuit, described button installs to box body and is fixed on outward on the outer wall of box body from box body.
10. a kind of cable protective fixture according to claim 9, is characterized in that: described control circuit is DSP control circuit and memory circuit, described DSP control circuit and the two-way electrical connection of memory circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256806.7A CN104051993A (en) | 2014-06-10 | 2014-06-10 | Cable protecting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410256806.7A CN104051993A (en) | 2014-06-10 | 2014-06-10 | Cable protecting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104051993A true CN104051993A (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410256806.7A Pending CN104051993A (en) | 2014-06-10 | 2014-06-10 | Cable protecting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104051993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552796A (en) * | 2015-12-25 | 2016-05-04 | 国网浙江省电力公司湖州供电公司 | Safety protection clamp for metering attachment |
| CN109374954A (en) * | 2018-08-22 | 2019-02-22 | 国网天津市电力公司电力科学研究院 | A kind of novel power transmission line parameter circuit value measurement test wire |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2927065Y (en) * | 2006-04-25 | 2007-07-25 | 孙登峰 | High-pressure electric display locker of three-phase controlled inductive |
| US20100013457A1 (en) * | 2008-07-18 | 2010-01-21 | Tollgrade Communications, Inc. | Power Line Takeoff Clamp Assembly |
| CN202434995U (en) * | 2012-01-16 | 2012-09-12 | 广东电网公司江门供电局 | Protective case for joint of high-voltage cable and busbar |
| CN202474793U (en) * | 2012-02-29 | 2012-10-03 | 宁波海越电器制造有限公司 | High-voltage cable distribution box |
| CN202978202U (en) * | 2012-12-06 | 2013-06-05 | 谭春效 | Novel direct-current multiple-splitter |
| CN203607808U (en) * | 2013-12-17 | 2014-05-21 | 加铝（天津）铝合金产品有限公司 | Protection box used at the part where a cable is branched |
| CN203850746U (en) * | 2014-06-10 | 2014-09-24 | 国家电网公司 | Cable protecting clamp |
-
2014
- 2014-06-10 CN CN201410256806.7A patent/CN104051993A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2927065Y (en) * | 2006-04-25 | 2007-07-25 | 孙登峰 | High-pressure electric display locker of three-phase controlled inductive |
| US20100013457A1 (en) * | 2008-07-18 | 2010-01-21 | Tollgrade Communications, Inc. | Power Line Takeoff Clamp Assembly |
| CN202434995U (en) * | 2012-01-16 | 2012-09-12 | 广东电网公司江门供电局 | Protective case for joint of high-voltage cable and busbar |
| CN202474793U (en) * | 2012-02-29 | 2012-10-03 | 宁波海越电器制造有限公司 | High-voltage cable distribution box |
| CN202978202U (en) * | 2012-12-06 | 2013-06-05 | 谭春效 | Novel direct-current multiple-splitter |
| CN203607808U (en) * | 2013-12-17 | 2014-05-21 | 加铝（天津）铝合金产品有限公司 | Protection box used at the part where a cable is branched |
| CN203850746U (en) * | 2014-06-10 | 2014-09-24 | 国家电网公司 | Cable protecting clamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552796A (en) * | 2015-12-25 | 2016-05-04 | 国网浙江省电力公司湖州供电公司 | Safety protection clamp for metering attachment |
| CN105552796B (en) * | 2015-12-25 | 2018-02-27 | 国网浙江省电力公司湖州供电公司 | One kind metering attaching security protection fixture |
| CN109374954A (en) * | 2018-08-22 | 2019-02-22 | 国网天津市电力公司电力科学研究院 | A kind of novel power transmission line parameter circuit value measurement test wire |
| CN109374954B (en) * | 2018-08-22 | 2020-11-13 | 国网天津市电力公司电力科学研究院 | Novel transmission line parameter measurement test line |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |