CN204205517U - A kind of automatic defrosting snow device of transmission system - Google Patents

A kind of automatic defrosting snow device of transmission system Download PDF

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Publication number
CN204205517U
CN204205517U CN201420592369.1U CN201420592369U CN204205517U CN 204205517 U CN204205517 U CN 204205517U CN 201420592369 U CN201420592369 U CN 201420592369U CN 204205517 U CN204205517 U CN 204205517U
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China
Prior art keywords
electric
heating belt
box
transmission
snow
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Expired - Fee Related
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CN201420592369.1U
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Chinese (zh)
Inventor
罗小林
李冬梅
邓艳
罗雅楠
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a kind of automatic defrosting snow device of transmission system, belongs to transmission facility technical field.The utility model comprises electric-heating belt, electric-heating belt electric source connecting box, temperature sensor, automatic switch, band, electric-heating belt halfway junction box and electric-heating belt terminal connection box.The utility model carrys out the temperature of monitoring of environmental by temperature sensor, whether recycling ice-melt snow device ON-OFF control circuit controls the work of electric-heating belt, and then melt the ice and snow on the surfaces such as cross-arm, insulator and step-down transformer, thus ensure that the ice and snow in the transmission system under the Special Geographics such as mountain area and climatic environment can be removed by time, effectively, and then avoid the disaster that causes due to heavy snow, decrease economic loss, this device has that structure is simple, reliable, cost is low, be convenient to the advantages such as control.

Description

A kind of automatic defrosting snow device of transmission system
Technical field
The utility model relates to a kind of automatic defrosting snow device of transmission system, belongs to transmission facility technical field.
Background technology
The cross-arm of outdoor transmission system, step-down transformer and insulator are when running into ice and snow or freezing disaster, its surface can by icing, accumulated snow, when ice and snow weight reaches certain value, the accident such as the tripping operation of transmission system, broken string, bar, insulator arc-over and communication disruption can be caused, and then the state that electrical network is paralysed, to such an extent as to cause huge economic loss to the whole society.
And as follows to the method for transmission system deicing at present: Yi Zhongshi, under power down mode, manual segmentation manufactures transmission line short circuit, utilizes short circuit current that wire is heated up and removes icing.But the method can cause damage to power equipment, and wastes time and energy, also personal safety may be jeopardized.Another kind is, mechanically removes the icing on transmission line surface.But this kind of method just can need be carried out after snow stops, the human and material resources of cost are comparatively large, and can not deicing in time, cannot obtain useful effect.
Summary of the invention
The technical problems to be solved in the utility model is: the utility model provides a kind of automatic defrosting snow device of transmission system, for the problem that the ice and snow solving the cross-arm of the transmission system under the Special Geographics such as mountain area and climatic environment, step-down transformer and insulator surface can not in time, effectively be cleared up, and then avoid the disaster that causes due to heavy snow, reduce economic loss.
Technical solutions of the utility model are: a kind of automatic defrosting snow device of transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Described electric-heating belt 3 can be wrapped in step-down transformer T6 surface in serpentine.
On cross-arm 2 between two shaft towers 9 that the step-down transformer T6 of described electric-heating belt electric source connecting box 4 and transmission system is installed on transmission system, step-down transformer T6 provides power supply for electric-heating belt 3 and temperature sensor 5.
Described electric-heating belt 3 is made up of conducting polymer and two parallel metal wire and insulating sheath, described electric-heating belt halfway junction box 12 is divided into straight type terminal box (being commonly called as two-way) or T-shaped terminal box (being commonly called as threeway), determines the model of adopted halfway junction box according to the actual conditions at scene.
Described electric-heating belt 3 adopts the electric-heating belt of Anhui Zhong Tuo company, and model is DZT-J, and most high maintenance temperature is 65 DEG C, and minimum temperature is-60 DEG C;
Described electric-heating belt electric source connecting box 4 adopts the electric source connecting box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt halfway junction box 12 adopts the halfway junction box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt terminal connection box 13 adopts the terminal connection box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 40A;
Described temperature sensor 5 adopts Raychem brand, model to be the temperature sensor of RTD4AL, and its maximum voltage is 220V/380V, and temperature range is-73 DEG C--482 DEG C.
Material described in the utility model is the known material that market can have been bought, but the utility model is not limited to above-mentioned material.
Operation principle of the present utility model is:
First, electric-heating belt 3 is laid at cross-arm, step-down transformer T, insulator surface.If when the length of electric-heating belt 3 is inadequate, extend by electric-heating belt halfway junction box 12.And at the end of electric-heating belt 3, electric-heating belt terminal connection box 13 is installed, the port of electric-heating belt 3 and the external world are reliably completely cut off.Secondly, be connected with step-down transformer T with temperature sensor 5 by electric-heating belt electric source connecting box 4, step-down transformer T is for both provide power supply.Whether the electric-heating belt 3 of ice-melt snow device works is the signal deciding detected by temperature sensor 5, and the action of automatic switch is controlled by ice-melt snow device ON-OFF control circuit.
As shown in Figure 4, time initial, the normally-closed contact of relay K 2 is closure state.When temperature sensor 5 detects ambient temperature lower than-3 DEG C, the K switch 2 in ice-melt snow device ON-OFF control circuit is failure to actuate, and is namely in closure state.Now, electric-heating belt 3 is energized and works, thus make pylon, cross-arm, the ice and snow on insulator and step-down transformer T surface is melted.When temperature sensor 5 detects ambient temperature higher than-3 DEG C, K switch 2 action in ice-melt snow device ON-OFF control circuit, is namely in off-state.Now, the electric-heating belt 3 of ice-melt snow device quits work because of power-off, and shaft tower 9 also can be loaded onto the ice and snow that electric-heating belt 3 is used for melting on it, handling cable 8 is erected on the insulator 7 between shaft tower 9.
The operation principle of described ice-melt snow device ON-OFF control circuit is as follows: as shown in Figure 4, 220V voltage is by step-down transformer T step-down, VD1-VD4 rectification, the direct voltage obtaining 12V after C filtering and IC1 voltage stabilizing is that ice-melt snow device ON-OFF control circuit is powered, LED1 is power work indicator light, temperature sensing circuit (i.e. the circuit of temperature sensor 5 and formation thereof) is formed by electronic switch integrated circuit (IC) 2 and VD5, when set point (as-3 DEG C) of temperature lower than RP, the resistance of VD5 is larger, the 5 pin current potentials of IC2 are lower than trigger voltage, 2 of IC2, electronic switch cut-off between 3 pin, relay K 2(i.e. automatic switch 10) be all failure to actuate, ice-melt snow device is energized by its normally-closed contact and works, electric-heating belt 3 works and removes the cross-arm of transmission system, the ice and snow of step-down transformer and insulator surface.When temperature reaches set point (as-3 DEG C), along with the continuous reduction of VD5 resistance, the 5 pin current potentials of IC2 constantly raise, exceed its trigger voltage, thus the electronic switch conducting between 2,3 pin making IC2, relay K 2 adhesive, its normally-closed contact disconnects, thus ice-melt snow device is quit work, electric-heating belt 3 does not work, and LED2 is bright simultaneously.When temperature is reduced to below set point, ice-melt snow device works again, so goes round and begins again, just automatically can remove the ice and snow of the cross-arm of transmission system, step-down transformer and insulator surface.
The beneficial effects of the utility model are: this device carrys out the temperature of monitoring of environmental by temperature sensor, whether recycling ice-melt snow device ON-OFF control circuit controls the work of electric-heating belt, and then melt the ice and snow on the surfaces such as cross-arm, insulator and step-down transformer, thus ensure that the ice and snow in the transmission system under the Special Geographics such as mountain area and climatic environment can be removed by time, effectively, and then avoid the disaster that causes due to heavy snow, decrease economic loss, this device has that structure is simple, reliable, cost is low, be convenient to the advantages such as control.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ice-melt snow device;
Fig. 2 be the utility model ice-melt snow device electric-heating belt lay schematic diagram; (note: for ease of viewing, in figure when representing power transmission cable and electric-heating belt, has certain interval therebetween, and in reality, both should be close contacts.)
Fig. 3 is the wiring schematic diagram of the utility model ice-melt snow device electric-heating belt;
Fig. 4 is the circuit diagram of the utility model ice-melt snow device ON-OFF control circuit.
Each label in Fig. 1-4: 1-lightning conducter, 2-cross-arm, 3-electric-heating belt, 4-electric-heating belt electric source connecting box, 5-temperature sensor, 6-step-down transformer T, 7-insulator, 8-handling cable, 9-shaft tower, 10-automatic switch, 11-band, 12-electric-heating belt halfway junction box, 13-electric-heating belt terminal connection box.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1: as Figure 1-4, an automatic defrosting snow device for transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Embodiment 2: as Figure 1-4, an automatic defrosting snow device for transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Described electric-heating belt 3 can be wrapped in step-down transformer T6 surface in serpentine.
Embodiment 3: as Figure 1-4, an automatic defrosting snow device for transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Described electric-heating belt 3 can be wrapped in step-down transformer T6 surface in serpentine.
On cross-arm 2 between two shaft towers 9 that the step-down transformer T6 of described electric-heating belt electric source connecting box 4 and transmission system is installed on transmission system, step-down transformer T6 provides power supply for electric-heating belt 3 and temperature sensor 5.
Embodiment 4: as Figure 1-4, an automatic defrosting snow device for transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Described electric-heating belt 3 can be wrapped in step-down transformer T6 surface in serpentine.
On cross-arm 2 between two shaft towers 9 that the step-down transformer T6 of described electric-heating belt electric source connecting box 4 and transmission system is installed on transmission system, step-down transformer T6 provides power supply for electric-heating belt 3 and temperature sensor 5.
Described electric-heating belt 3 is made up of conducting polymer and two parallel metal wire and insulating sheath, and described electric-heating belt halfway junction box 12 is divided into straight type terminal box or T-shaped terminal box.
Embodiment 5: as Figure 1-4, an automatic defrosting snow device for transmission system, comprises electric-heating belt 3, electric-heating belt electric source connecting box 4, temperature sensor 5, automatic switch 10, band 11, electric-heating belt halfway junction box 12 and electric-heating belt terminal connection box 13, described electric-heating belt 3 is laid in the cross-arm 2 of transmission system by band 11, the surface of step-down transformer T6 and insulator 7, electric-heating belt 3 respectively with electric-heating belt electric source connecting box 4, electric-heating belt terminal connection box 13 is connected, when circuit is longer, electric-heating belt 3 is connected with electric-heating belt electric source connecting box 4 by electric-heating belt halfway junction box 12, electric-heating belt electric source connecting box 4 inside is provided with automatic switch 10, automatic switch 10 and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt 3, this ice-melt snow device ON-OFF control circuit comprises temperature sensor 5, described temperature sensor 5 is laid in the cross-arm 2 of transmission system, the surface of step-down transformer T6 and insulator 7.
Described electric-heating belt 3 can be wrapped in step-down transformer T6 surface in serpentine.
On cross-arm 2 between two shaft towers 9 that the step-down transformer T6 of described electric-heating belt electric source connecting box 4 and transmission system is installed on transmission system, step-down transformer T6 provides power supply for electric-heating belt 3 and temperature sensor 5.
Described electric-heating belt 3 is made up of conducting polymer and two parallel metal wire and insulating sheath, and described electric-heating belt halfway junction box 12 is divided into straight type terminal box or T-shaped terminal box.
Described electric-heating belt 3 adopts the electric-heating belt of Anhui Zhong Tuo company, and model is DZT-J, and most high maintenance temperature is 65 DEG C, and minimum temperature is-60 DEG C;
Described electric-heating belt electric source connecting box 4 adopts the electric source connecting box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt halfway junction box 12 adopts the halfway junction box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt terminal connection box 13 adopts the terminal connection box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 40A;
Described temperature sensor 5 adopts Raychem brand, model to be the temperature sensor of RTD4AL, and its maximum voltage is 220V/380V, and temperature range is-73 DEG C--482 DEG C.
By reference to the accompanying drawings specific embodiment of the utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (5)

1. an automatic defrosting snow device for transmission system, is characterized in that: comprise electric-heating belt (3), electric-heating belt electric source connecting box (4), temperature sensor (5), automatic switch (10), band (11), electric-heating belt halfway junction box (12) and electric-heating belt terminal connection box (13), described electric-heating belt (3) is laid in the cross-arm (2) of transmission system by band (11), step-down transformer T(6) and the surface of insulator (7), electric-heating belt (3) respectively with electric-heating belt electric source connecting box (4), electric-heating belt terminal connection box (13) is connected, when circuit is longer, electric-heating belt (3) is connected with electric-heating belt electric source connecting box (4) by electric-heating belt halfway junction box (12), electric-heating belt electric source connecting box (4) inside is provided with automatic switch (10), automatic switch (10) and ice-melt are avenged device ON-OFF control circuit and are connected for whether realizing the work of electric-heating belt (3), this ice-melt snow device ON-OFF control circuit comprises temperature sensor (5), described temperature sensor (5) is laid in the cross-arm (2) of transmission system, step-down transformer T(6) and the surface of insulator (7).
2. the automatic defrosting snow device of a kind of transmission system according to claim 1, is characterized in that: described electric-heating belt (3) can be wrapped in step-down transformer T(6 in serpentine) surface.
3. the automatic defrosting snow device of a kind of transmission system according to claim 1, it is characterized in that: the step-down transformer T(6 of described electric-heating belt electric source connecting box (4) and transmission system) on cross-arm (2) between two shaft towers (9) that are installed on transmission system, step-down transformer T(6) provide power supply for electric-heating belt (3) and temperature sensor (5).
4. the automatic defrosting snow device of transmission system according to claim 1, it is characterized in that: described electric-heating belt (3) is made up of conducting polymer and two parallel metal wire and insulating sheath, and described electric-heating belt halfway junction box (12) is divided into straight type terminal box or T-shaped terminal box.
5. the automatic defrosting snow device of a kind of transmission system according to claim 1, is characterized in that:
Described electric-heating belt (3) adopts the electric-heating belt of Anhui Zhong Tuo company, and model is DZT-J, and most high maintenance temperature is 65 DEG C, and minimum temperature is-60 DEG C;
Described electric-heating belt electric source connecting box (4) adopts the electric source connecting box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt halfway junction box (12) adopts the halfway junction box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 15A, 25A;
Described electric-heating belt terminal connection box (13) adopts the terminal connection box opened up in Anhui, and its important technological parameters is: rated voltage 220V/380V, rated current 40A;
Described temperature sensor (5) adopts Raychem brand, model is the temperature sensor of RTD4AL, and its maximum voltage is 220V/380V, and temperature range is-73 DEG C--482 DEG C.
CN201420592369.1U 2014-10-14 2014-10-14 A kind of automatic defrosting snow device of transmission system Expired - Fee Related CN204205517U (en)

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Application Number Priority Date Filing Date Title
CN201420592369.1U CN204205517U (en) 2014-10-14 2014-10-14 A kind of automatic defrosting snow device of transmission system

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Application Number Priority Date Filing Date Title
CN201420592369.1U CN204205517U (en) 2014-10-14 2014-10-14 A kind of automatic defrosting snow device of transmission system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786123A (en) * 2016-12-23 2017-05-31 中国电力科学研究院 Wall bushing device for removing snow and ice and method
CN109616978A (en) * 2018-11-08 2019-04-12 南安市尚赢机械科技有限公司 A kind of high-voltage wire tower device for preventing ice and snow that segmentation is melted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786123A (en) * 2016-12-23 2017-05-31 中国电力科学研究院 Wall bushing device for removing snow and ice and method
CN109616978A (en) * 2018-11-08 2019-04-12 南安市尚赢机械科技有限公司 A kind of high-voltage wire tower device for preventing ice and snow that segmentation is melted

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