Forest fire prevention monitoring device

Abstract

The utility model discloses a forest fire prevention monitoring device, which belongs to the technical field of power transmission line indication and specifically comprises an upper shell and a lower shell detachably connected to the upper shell, and a power taking ring fixed on a power transmission line is arranged at the top of the upper shell. The electricity taking ring comprises an annular excitation iron core and an insulating layer wrapping the excitation iron core, and an induction coil used for supplementing electric energy for the storage battery is wound on the excitation iron core; a plurality of first infrared temperature sensors are uniformly distributed in the circumferential direction of the lower shell, a plurality of second infrared temperature sensors are uniformly distributed at the bottom of the lower shell, and a control unit and a storage battery are arranged in an inner cavity of the lower shell; and the first infrared temperature sensor and the second infrared temperature sensor are electrically connected with the control unit. The forest fire prevention monitoring device provided by the utility model is simple in structure, low in cost and convenient to install, and can monitor the fire situation around a tower and a power transmission line.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission line indication, in particular to a forest fire prevention monitoring device. Background Art

[0002] With the continuous development of science and technology and the continuous improvement of people's living standards, power transmission lines are gradually laid to every corner of the country, especially in mountainous forests. If a fire occurs in a mountainous forest, it will cause damage to the tower and transmission lines. In serious cases, it will affect the power supply in the urban area, causing great trouble to people's lives and production. The existing power transmission line forest fire prevention devices generally use thermal imaging technology to monitor the environment around the tower and the transmission line for fire, but the cost of thermal imaging equipment is relatively expensive. It takes a lot of financial resources to deploy thermal imaging equipment on long-distance transmission lines. In addition, when deploying thermal imaging equipment, it is often necessary to configure special towers in mountainous areas, making the entire construction time-consuming and labor-intensive. Summary of the invention

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a forest fire monitoring device, which has a simple structure, low cost, and is easy to install. It can monitor the fire situation around the tower and the transmission line to prevent the fire from affecting the tower and the transmission line.

[0004] The utility model is realized through the following technical solutions:

[0005] A forest fire monitoring device comprises an upper shell and a lower shell detachably connected to the upper shell, wherein a power taking ring fixed to a transmission line is arranged on the top of the upper shell, wherein the power taking ring comprises an annular excitation core and an insulating layer covering the excitation core, wherein an induction coil for replenishing electric energy for a battery is wound on the excitation core; a plurality of first infrared temperature sensors are evenly distributed around the circumference of the lower shell, a plurality of second infrared temperature sensors are evenly distributed on the bottom, and a control unit and a battery are arranged in the inner cavity of the lower shell; the first infrared temperature sensor and the second infrared temperature sensor are electrically connected to the control unit; the technical method of the present invention is as follows: In the case, the detection device can be directly fixed on the transmission line and rely on the alternating current in the transmission circuit to draw power. There is no need to erect a special tower for installation, which reduces the construction cost and difficulty. The infrared temperature sensor used in the device is lower in cost than thermal imaging equipment and can be arranged on a large scale along the transmission line. The first infrared temperature sensor is used to detect forest fires in the distance, while the second infrared temperature sensor is used to detect fires under and near the transmission line. The combination of the two can realize all-round monitoring of the environment around the tower to avoid detection blind spots and improve reliability.

[0006] Preferably, the inner wall of the power taking ring is evenly distributed with a plurality of heat dissipation grooves; in the present technical solution, the heat dissipation grooves can form a ventilation channel between the power taking ring and the power transmission line, so as to facilitate the timely dissipation of the heat on the inner wall of the power taking ring and avoid damage to the power transmission line caused by high temperature.

[0007] Preferably, the power ring is composed of an upper semicircular power ring and a lower semicircular power ring, the upper semicircular power ring and the lower semicircular power ring are detachably connected, and the induction coil is wound around the excitation core of the lower semicircular power ring; in the present technical solution, the power ring is composed of an upper semicircular power ring and a lower semicircular power ring, which can facilitate the installation of the detection device in the later stage of erecting the transmission line, thereby improving the applicability of the device.

[0008] Further preferably, the upper semicircular power ring is provided with a mounting hole, and the lower semicircular power ring is provided with a bolt hole compatible with the mounting hole, and the upper semicircular power ring and the lower semicircular power ring are fixed by bolts; in this technical solution, the upper semicircular power ring and the lower semicircular power ring are fixed by bolts, which is easy to operate and the connection is reliable.

[0009] Preferably, the lower shell is a cylindrical structure with an external thread on the upper part, and the upper shell is provided with an internal thread that matches the external thread; in the present technical solution, the upper shell is provided with an internal thread, which can form an upward connecting surface on the inner wall to prevent rainwater on rainy days from entering the inner cavity of the lower shell along the connecting surface due to its own gravity, thereby affecting the operation of electrical components.

[0010] Preferably, the bottom of the lower shell is a spherical structure; in the present technical solution, the bottom of the lower shell is a spherical structure, which can facilitate the second infrared temperature sensor to be arranged at a small angle by relying on its structure, thereby expanding the detection range of the environment below the device and nearby.

[0011] Preferably, the control unit is provided with a wireless communication module; in this technical solution, the wireless communication module can transmit the data detected by the infrared temperature sensor back to the terminal, so that the detection personnel can obtain the information in time.

[0012] Preferably, the inner wall of the lower shell is provided with a positioning shoulder, and the positioning shoulder is provided with a fixing plate for installing the control unit and the battery; in this technical solution, the fixing plate can facilitate the installation of the battery and the control unit, and reduce the difficulty of assembling the maintenance device.

[0013] The beneficial effects of the utility model are: 1. The device can be directly fixed on the transmission line and rely on the alternating current in the transmission circuit to draw electricity. There is no need to erect a special tower for installation, which reduces the construction cost and difficulty; 2. The infrared temperature sensor used in the device is lower in cost than thermal imaging equipment and can be arranged along the transmission line on a large scale; the first infrared temperature sensor is used to detect forest fires in the distance, while the second infrared temperature sensor is used to detect fires under and near the transmission line. The combination of the two can realize all-round monitoring of the environment around the tower to avoid detection blind spots and improve reliability; 3. The device has a simple structure, and its power-taking ring adopts a detachable modular structure, which can be arranged and installed at the later stage after the transmission line is erected, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a forest fire monitoring device described in Example 1;

[0015] Figure 2 This is a schematic diagram of the installation of a forest fire monitoring device described in Example 1;

[0016] Figure 3 This is a schematic diagram of the internal structure of a forest fire monitoring device described in Example 1;

[0017] Figure 4 This is a schematic diagram of the internal structure of the upper semicircular power-taking ring described in Example 1;

[0018] Figure 5 This is a schematic diagram of the internal structure of the upper housing described in Example 1;

[0019] Figure 6 This is a schematic diagram of the internal structure of the lower housing described in Example 1;

[0020] Figure 7 It is a schematic diagram of the top view of the lower shell body described in the first embodiment;

[0021] Figure 8 It is a schematic diagram of the top view of the lower shell body described in the second embodiment;

[0022] Fig. 9 This is a schematic diagram of the arrangement of a forest fire monitoring device described in Example 2;

[0023] In the figure: 1. upper shell; 11. power supply ring; 111. upper semicircle power supply ring; 1111. mounting hole; 112. lower semicircle power supply ring; 1121. bolt hole; 12. excitation core; 121. induction coil; 13. insulation layer; 14. heat sink; 15. internal thread; 2. lower shell; 21. first infrared temperature sensor; 22. second infrared temperature sensor; 23. battery; 24. control unit; 25. fixing plate; 26. positioning shoulder; 27. external thread; 3. transmission line; 4. tower. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1

[0025] like Figures 1 to 7As shown, a forest fire monitoring device includes an upper shell 1 and a lower shell 2 detachably connected to the upper shell, the top of the upper shell 1 is provided with a power ring 11 fixed on the power transmission line 3, the power ring 11 includes an annular excitation core 12 and an insulating layer 13 coated on the excitation core, the excitation core 12 can be formed by stacking a plurality of annular silicon steel sheets; the insulating layer 13 can be made of ceramic material or plastic material; an induction coil 121 for replenishing power for a battery is wound on the excitation core 12; a plurality of first infrared temperature sensors 21 are evenly distributed around the circumference of the lower shell 2, a plurality of second infrared temperature sensors 22 are evenly distributed on the bottom, and a control unit 24 and a battery 23 are provided in the inner cavity of the lower shell 2, the battery 23 can provide power for the control unit 24; the first infrared temperature sensor 21 and the second infrared temperature sensor 22 are electrically connected to the control unit 24 to transmit the detected data to the control unit; a wireless communication module is provided on the control unit, and the wireless communication module The communication module can transmit the data detected by the infrared temperature sensor back to the terminal, so that the detection personnel can understand the information in time; it is convenient to install the battery 23 and the control unit 24, and the assembly difficulty of the maintenance device is reduced. The inner wall of the lower shell 2 is provided with a positioning shoulder 26, and the positioning shoulder 26 is provided with a fixing plate 25 for installing the control unit 24 and the battery 23; during construction, the detection device can be directly fixed on the transmission line 3 through the power ring 11, and rely on the alternating current in the transmission line 3 to draw power. There is no need to erect a special tower for installation, which reduces the construction cost and difficulty. The infrared temperature sensor used in the device is lower in cost than the thermal imaging equipment, and can be arranged on the transmission line on a large scale; the first infrared temperature sensor 21 is used to detect forest fires in the distance, and the second infrared temperature sensor 22 is used to detect fires under and near the transmission line. The combination of the two can realize all-round monitoring of the environment around the tower to avoid detection blind spots and improve reliability.

[0026] Preferably, the inner wall of the power taking ring 11 is evenly distributed with a plurality of heat dissipation grooves 14, and the heat dissipation grooves 14 can form a ventilation channel between the power taking ring 11 and the power transmission line 3, so that the heat of the inner wall of the power taking ring can be dissipated in time, and the damage to the power transmission line caused by high temperature can be avoided; it can be convenient to install the detection device in the later stage of erecting the power transmission line, and improve the applicability of the device. The power taking ring 11 is composed of an upper semicircular power taking ring 111 and a lower semicircular power taking ring 112, and the upper semicircular power taking ring 111 and the lower semicircular power taking ring 112 are detachably connected, and the induction coil 121 is wound around the excitation core of the lower semicircular power taking ring. Specifically, the upper semicircular power taking ring 111 is provided with a mounting hole 1111, and the The lower semicircular power ring 112 is provided with a bolt hole 1121 which is compatible with the mounting hole, and the upper semicircular power ring 111 is fixed to the lower semicircular power ring 112 by bolts; the lower shell 2 is in a cylindrical structure, with an external thread 27 on the upper part, and the upper shell 1 is provided with an internal thread 15 which is compatible with the external thread. This connection structure can form an upward connection surface on the inner wall to prevent rainwater on rainy days from entering the inner cavity of the lower shell along the connection surface due to its own gravity, thereby affecting the operation of the electrical components; the bottom of the lower shell 2 is in a spherical structure, which can facilitate the second infrared temperature sensor 22 to be arranged at a small angle based on its structure, thereby expanding the detection range of the environment below and nearby the device. Embodiment 2

[0027] like Figures 8 and 9 As shown, a forest fire monitoring device is different from the above-mentioned embodiment in that the lower shell is of cylindrical structure, the bottom of the lower shell is of spherical structure, the first infrared temperature sensor 21 and the second infrared temperature sensor 22 are arranged with the axis of the power ring as the center line within the horizontal 180° visual range of the lower shell. During construction, the two detection devices are arranged on the power transmission line 3 on both sides of the tower 4. The combination of the two can realize all-round monitoring of the environment around the tower 4 and avoid blind spots caused by the tower blocking the detection device.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solution recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solution from the technical solution of the embodiments of the utility model.

Claims

1. A forest fire monitoring device, characterized in that: It includes an upper shell and a lower shell detachably connected to the upper shell, the top of the upper shell is provided with a power ring fixed on the transmission line, the power ring includes an annular excitation core and an insulating layer covering the excitation core, the excitation core is wound with an induction coil for replenishing power for the battery; a plurality of first infrared temperature sensors are evenly distributed around the circumference of the lower shell, a plurality of second infrared temperature sensors are evenly distributed on the bottom, and a control unit and a battery are provided in the inner cavity of the lower shell; the first infrared temperature sensor and the second infrared temperature sensor are electrically connected to the control unit.

2. The forest fire monitoring device according to claim 1, characterized in that: The inner wall of the power taking ring is evenly distributed with a plurality of heat dissipation grooves.

3. The forest fire monitoring device according to claim 1, characterized in that: The power taking ring is composed of an upper semicircular power taking ring and a lower semicircular power taking ring, the upper semicircular power taking ring and the lower semicircular power taking ring are detachably connected, and the induction coil is wound on the excitation core of the lower semicircular power taking ring.

4. The forest fire monitoring device according to claim 3, characterized in that: The upper semicircular power taking ring is provided with a mounting hole, and the lower semicircular power taking ring is provided with a bolt hole matched with the mounting hole. The upper semicircular power taking ring and the lower semicircular power taking ring are fixed by bolts.

5. The forest fire monitoring device according to claim 1, characterized in that: The lower shell is in a cylindrical structure, with an external thread on the upper part, and the upper shell is provided with an internal thread matching the external thread.

6. The forest fire monitoring device according to claim 1, characterized in that: The bottom of the lower shell is a spherical structure.

7. The forest fire monitoring device according to claim 1, characterized in that: The control unit is provided with a wireless communication module.

8. The forest fire monitoring device according to claim 1, characterized in that: The inner wall of the lower shell is provided with a positioning shoulder, and the positioning shoulder is provided with a fixing plate for installing a control unit and a battery.

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