CN103324217B - Alarm and protection device for cable and cable intermediate head at high temperature - Google Patents
Alarm and protection device for cable and cable intermediate head at high temperature Download PDFInfo
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- CN103324217B CN103324217B CN201310258951.4A CN201310258951A CN103324217B CN 103324217 B CN103324217 B CN 103324217B CN 201310258951 A CN201310258951 A CN 201310258951A CN 103324217 B CN103324217 B CN 103324217B
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Abstract
The invention discloses an alarm and protection device for a cable and a cable intermediate head at a high temperature. The alarm and protection device comprises an outer shell, an asbestos protection layer, a temperature measurement cable, a temperature sensor, a temperature controller and an acousto-optic alarm. The asbestos protection layer is fixedly laid on the periphery of the inner wall of the outer shell. The temperature measurement cable is laid and fixed on the surface of the asbestos protection layer. The temperature sensor used for measuring the temperature of the cable intermediate head is inserted into the device through an open hole formed in the upper surface of the outer shell. The temperature controller is connected with the temperature sensor. The acousto-optic alarm is connected with the temperature controller. The outer shell is made of steel and formed by two steel channels which are buckled with each other. The temperature measurement cable is connected with a remote industrial personal computer. The alarm and protection device can effectively eliminate the effect on the cable by an external high temperature environment and timely give out an alarm on site and remotely when the temperature of the cable reaches the alarm temperature set by a user, thereby being high in practicability.
Description
Technical field
The present invention relates to cable maintenance technical field, particularly a kind of cable and cable intermediate joint high temperature warning protector and method.
Background technology
In existing big-and-middle-sized steel mill of China, in electric equipment system installation process, inevitably will carry out laying of cable in high temperature environments, such as electric furnace cable body is laid.Also have the fabrication and installation of the intermediate head of cable.The cable intermediate joint done the most easily generates heat, and causes the accident and fire.
Cable temperature can be made under hot environment constantly to raise, and it is overheated to be formed, and causes cable bad, affects whole electric power system.More seriously cause fire, blast, causes factory's large-area power-cuts, causes heavy economic losses.In order to prevent fire from occurring, being only in operation and strengthening cable and cable intermediate joint temperature monitoring.Usually, cable temperature detects the artificial hand-held detector circling measurment of fixed place and time of normal employing, but it exists labour intensity, and metrical error is large, pinpoints the problems late, the shortcoming that rate of failing to report is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cable and cable intermediate joint high temperature warning protector and method; when the temperature of cable and cable intermediate joint reaches the temperature of user's setting; scene can sound and light alarm in time; long-range industrial computer also can be reported to the police; timely prompting; avoid fire failure, effective Redeem large economic loss.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of cable and cable intermediate joint high temperature warning protector, comprise shell, asbestos protective seam, cable for measuring temperature, temperature sensor, temperature controller and audible-visual annunciator; Asbestos protective seam is fixedly laid in outer casing inner wall surrounding, cable for measuring temperature is laid in asbestos protective layer fixing, for measuring the temperature sensor of cable intermediate joint temperature by the perforate insertion apparatus of upper surface of outer cover, temperature controller is connected with temperature sensor, and audible-visual annunciator is connected with temperature controller; Described shell is steel shell, and shell is made up of the channel-section steel that 2 interlock, and described cable for measuring temperature is connected with long-range industrial computer.
By such scheme, described cable for measuring temperature to be laid in asbestos protective layer according to Z-shaped.
By such scheme, described 2 channel-section steels interlocked are fixed by snap close.
By such scheme, described asbestos protective seam uses band steel to be fixed on outer casing inner wall surrounding.
By such scheme, described high temperature warning protector also comprises automatic temp. reducing device and cooling drive unit, and automatic temp. reducing device is fixed on lower end in temperature sensor, and automatic temp. reducing device is connected with temperature controller by cooling drive unit.
The present invention also provides a kind of guard method using above-mentioned cable and cable intermediate joint high temperature warning protector, comprises the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
The present invention also provides a kind of cable and the guard method of cable intermediate joint high temperature alarm, it is characterized in that, comprises the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the internal timer timing time of temperature controller was more than 60 seconds, temperature controller triggers cooling drive unit, drives automatic temp. reducing device to lower the temperature to cable and cable intermediate joint;
5) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
By such scheme, described first limit value is 100 degree, and the second limit value is 120 degree.
The beneficial effect that the present invention produces is: apparatus of the present invention can effectively completely cut off the impact of external high temperature environment on cable, contrive equipment and method can carry out computing machine real time temperature monitoring system, report to the police in time, the scene of cable intermediate joint also has sound and light alarm, can effective Redeem large economic loss, significant to safety in production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of embodiment of the present invention device;
In figure: 1-audible-visual annunciator, 2-temperature sensor, 3-temperature controller, 4-asbestos protective seam, 5-shell, the protected cable of 6-.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, in embodiments of the invention, a kind of cable and cable intermediate joint high temperature warning protector, comprise shell 5, asbestos protective seam 4, cable for measuring temperature, temperature sensor 2, temperature controller 3 and audible-visual annunciator 1; Asbestos protective seam 4 is fixedly laid in outer casing inner wall surrounding, asbestos protective seam uses band steel to be fixed on outer casing inner wall, cable for measuring temperature to be laid in asbestos protective seam 4 surface fixing by Z-shaped, for measuring the temperature sensor 2 of cable intermediate joint temperature by the perforate insertion apparatus of upper surface of outer cover, temperature controller 3 is connected with temperature sensor 2, and audible-visual annunciator 1 is connected with temperature controller 3; Described shell 5 is steel shell, and shell is made up of the channel-section steel that 2 interlock, and 2 channel-section steels interlocked are fixed by snap close, and cable for measuring temperature is connected with long-range industrial computer.
Further; cable and cable intermediate joint high temperature warning protector; also can comprise automatic temp. reducing device and cooling drive unit, automatic temp. reducing device is fixed on lower end in temperature sensor, and automatic temp. reducing device is connected with temperature controller by cooling drive unit.
Utilize this device, present invention also offers a kind of guard method using above-mentioned cable and cable intermediate joint high temperature warning protector, comprise the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
The present invention also provides a kind of cable and the guard method of cable intermediate joint high temperature alarm, it is characterized in that, comprises the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the internal timer timing time of temperature controller was more than 60 seconds, temperature controller triggers cooling drive unit, drives automatic temp. reducing device to lower the temperature to cable and cable intermediate joint;
5) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
By such scheme, described first limit value is 100 degree, and the second limit value is 120 degree.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (6)
1. cable and a cable intermediate joint high temperature warning protector, is characterized in that, comprises shell, asbestos protective seam, cable for measuring temperature, temperature sensor, temperature controller and audible-visual annunciator; Asbestos protective seam is fixedly laid in outer casing inner wall surrounding, cable for measuring temperature is laid in asbestos protective layer fixing, for measuring the temperature sensor of cable intermediate joint temperature by the perforate insertion apparatus of upper surface of outer cover, temperature controller is connected with temperature sensor, and audible-visual annunciator is connected with temperature controller; Described shell is steel shell, and shell is made up of the channel-section steel that 2 interlock, and described cable for measuring temperature is connected with long-range industrial computer;
Wherein, described cable for measuring temperature to be laid in asbestos protective layer according to Z-shaped;
Described high temperature warning protector also comprises automatic temp. reducing device and cooling drive unit, and automatic temp. reducing device is fixed on lower end in temperature sensor, and automatic temp. reducing device is connected with temperature controller by cooling drive unit.
2. cable according to claim 1 and cable intermediate joint high temperature warning protector, is characterized in that, described 2 channel-section steels interlocked are fixed by snap close.
3. cable according to claim 1 and cable intermediate joint high temperature warning protector, is characterized in that, described asbestos protective seam uses band steel to be fixed on outer casing inner wall surrounding.
4. use a guard method for cable described in claim 1 and cable intermediate joint high temperature warning protector, it is characterized in that, comprise the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
5. use a guard method for cable described in claim 1 and cable intermediate joint high temperature warning protector, it is characterized in that, comprise the following steps:
1) use the temperature data of the real-time monitoring cable of cable for measuring temperature and cable intermediate joint, and temperature data is transferred to long-range industrial computer; When long-range industrial computer detects temperature anomaly, report to the police;
2) cable of collection and the temperature data of cable intermediate joint are transferred to temperature controller by temperature sensor;
3) when the temperature data that temperature controller obtains is more than the first limit value, temperature controller triggers the timer of audible-visual annunciator and temperature controller inside, and audible-visual annunciator is reported to the police;
4) when the internal timer timing time of temperature controller was more than 60 seconds, temperature controller triggers cooling drive unit, drives automatic temp. reducing device to lower the temperature to cable and cable intermediate joint;
5) when the temperature data that temperature controller obtains is more than the second limit value, temperature controller output switch amount makes it trip to cable switch board.
6. the guard method of the cable according to claim 4 or 5 and cable intermediate joint high temperature warning protector, is characterized in that, described first limit value is 100 degree, and the second limit value is 120 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258951.4A CN103324217B (en) | 2013-06-26 | 2013-06-26 | Alarm and protection device for cable and cable intermediate head at high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258951.4A CN103324217B (en) | 2013-06-26 | 2013-06-26 | Alarm and protection device for cable and cable intermediate head at high temperature |
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| CN103324217A CN103324217A (en) | 2013-09-25 |
| CN103324217B true CN103324217B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310258951.4A Active CN103324217B (en) | 2013-06-26 | 2013-06-26 | Alarm and protection device for cable and cable intermediate head at high temperature |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106786363A (en) * | 2016-12-09 | 2017-05-31 | 乌鲁木齐金风天翼风电有限公司 | Cable intermediate joint detection means and wind power generating set |
| CN107356842A (en) * | 2017-08-31 | 2017-11-17 | 苏州麦喆思科电子有限公司 | A kind of buried cable failure detector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223683A (en) * | 1923-08-07 | 1924-10-30 | Henry Vernon | Fire alarm cable |
| CN201364506Y (en) * | 2009-01-08 | 2009-12-16 | 保定市天河电子技术有限公司 | Temperature monitoring device of wire connecting terminal of train power distribution cabinet |
| CN101464488B (en) * | 2009-01-16 | 2011-06-08 | 上海慧东电气设备有限公司 | On-line monitoring system for high voltage cable |
| CN102214383A (en) * | 2010-04-02 | 2011-10-12 | 秦大为 | Temperature-measuring, early-warning and temperature-reducing system for cable connectors |
| CN202869665U (en) * | 2012-10-23 | 2013-04-10 | 凯里供电局 | On-line cable temperature measuring system |
| CN203433379U (en) * | 2013-06-26 | 2014-02-12 | 中国一冶集团有限公司 | Cable and cable intermediate joint high-temperature alarm protection device |
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