CN105811299A - Power line detection device capable of detecting heat source - Google Patents

Abstract

The invention discloses a power line detection device capable of detecting a heat source, which comprises a top shell, a heat source detection device and a control device, wherein the top shell is provided with a cambered inner surface and two open ends; the lower part of the top shell is connected with a bottom support; the cable passes through the top shell and abuts against the inner face of the top shell; the top end of the top shell is provided with a motor, and the power output end of the motor is provided with a propeller for propulsion; a storage table is arranged in the support bottom, and a detection control circuit is arranged at the lower end of the storage table; the detection control circuit comprises a power supply module, and the power supply module is used for supplying power to the motor and the detection control circuit; the detection control circuit further comprises a central processing unit, an alarm device, a camera device for collecting cable video information and a communication device for transmitting the information, the communication antenna is arranged in the antenna storage body, the rotation of the propeller drives the detection device to be arranged forwards or backwards, the detection control circuit detects the real-time condition of the cable, the top shell can provide shielding for the detection control circuit, and the measurement accuracy is improved.

Description

Power line detection device capable of detecting heat source

technical field

The invention relates to a power circuit detection device capable of detecting heat sources.

Background technique

The inspection of high-voltage wires and cables between two high-voltage line towers is usually carried out by workers stepping on the cables and inspecting them step by step. This kind of operation is called high-voltage tightrope walking. This operation method is very dangerous. When encountering strong winds and heavy rain It is easy to have the danger of falling, and it is easy to be hit by the high-voltage leakage, which is life-threatening. Therefore, it is very necessary to develop a device that can perform line detection.

Contents of the invention

The object of the present invention is to overcome the above-mentioned shortcomings and provide a cable and wire detection device that is convenient for detecting circuit problems.

In order to achieve the above object, the specific solution of the present invention is as follows: a power line detection device capable of detecting heat sources, including a top shell with an inner surface that is curved and open at both ends; a bottom bracket is connected to the bottom of the top shell; cables pass through The top shell is against the inner surface of the top shell; the top of the top shell is provided with a motor, and the power output end of the motor is provided with a propeller for propulsion; the bottom of the support is provided with a storage platform, and the lower end of the storage platform is provided with a detection control circuit The detection control circuit includes a power module, and the power module is used to supply power to the motor and the detection control circuit; the detection control circuit also includes a central processing unit, an alarm device, a camera device for collecting cable video information, and a camera for A communication device that transmits information, the communication device, the alarm device, and the camera device are respectively signal-connected with the central processing unit; As for the communication antenna, an antenna storage body is arranged at the bottom of the base, and the communication antenna is arranged in the antenna storage body.

Wherein, the communication antenna includes an elliptical PCB board, and two vertically symmetrical microstrip oscillator units are arranged on the PCB board; each microstrip oscillator unit includes a semicircular first arc vibrating arm, so A V-shaped notch is provided on the first arc-shaped vibrating arm; bridge arms are connected to the two free ends of the first arc-shaped vibrating arm;

Each microstrip vibrator unit also includes a second arc-shaped vibrating arm opposite to the opening direction of the first arc-shaped vibrating arm, the free end of the bridge arm is connected to the second arc-shaped vibrating arm, and the first vibrating arm extends downward from the bridge arm , the free end of the first vibrator arm extends an L-shaped second vibrator arm to the side away from the first arc-shaped vibrating arm; the bottom of the second arc-shaped vibrating arm is provided with a rectangular notch, and also includes a T-shaped parasitic vibrator unit, The low end of the T-shaped parasitic vibrator unit is set in the rectangular gap;

The bridge arm is provided with a plurality of hollowed-out units, and the hollowed-out unit includes six circularly arranged triangular holes, and a corner of each triangular hole close to the center of the hollowed-out unit extends a rectangular isolation groove toward the center of the hollowed-out unit;

It also includes an L-shaped feeder, one end of the feeder is connected to the first arc vibrating arm, and the other end is connected to the feeder hole.

Wherein, the oval PCB board is also provided with an isolation ring.

Wherein, the number of the hollow hole units on each bridge arm is four.

Wherein, the free end of the first vibrator arm is a wedge-shaped angle.

Wherein, the angle of the V-shaped notch is 30°-45°.

Wherein, the detection control circuit also includes a heat source temperature detector for detecting the local temperature of the cable; the heat source temperature detector is arranged on the object table;

Wherein, the detection control circuit also includes an electric field strength detector for detecting electric field strength; the electric field strength detector is arranged on the object stage;

Wherein, the detection control circuit also includes a GPS positioning module for locating the position.

The beneficial effects of the present invention are: the rotation of the propeller drives the detection device to be set forward or backward, the detection control circuit detects the real-time situation of the cable, and the top case can provide a shield for the detection control circuit, improving measurement accuracy.

Description of drawings

Fig. 1 is a schematic cross-sectional structure of the present invention;

Fig. 2 is a perspective view of the present invention;

Fig. 3 is the functional block diagram of monitoring control circuit of the present invention;

Fig. 4 is a top view of the communication antenna of the present invention;

Fig. 5 is a partial enlarged view of Fig. 4;

Figure 6 is a return loss test chart of the antenna;

Figure 7 is a test diagram of the isolation performance of the antenna;

Figure 8 is the pattern of the antenna at 2.4GHz;

Figure 9 is the pattern of the antenna at 5.0GHz;

Explanation of reference numerals among Fig. 1 to Fig. 9:

1-top shell; 2-bottom bracket; 3-motor; 4-propeller; 5-antenna storage body; 6-electric field strength detector; 7-heat source temperature detector; 8-camera device; 9-alarm device;

a1-PCB board; a2-isolating ring; a3-feeder; a4-first arc vibrating arm; a41-V-shaped notch; a5-second arc vibrating arm; a6-bridge arm; a61-hollow unit; a611-triangle hole; a7-the first oscillator arm; a8-the second oscillator arm; a9-the parasitic oscillator unit.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the implementation scope of the present invention is not limited thereto.

As shown in Figures 1 to 9, a power line detection device capable of detecting heat sources described in this embodiment includes a top case 1 with an inner surface that is curved and open at both ends; a bottom bracket is connected to the bottom of the top case 1 2. The cable passes through the top case 1 and leans against the inner surface of the top case 1; the top of the top case 1 is provided with a motor 3, and the power output end of the motor 3 is provided with a propeller 4 for propulsion; the bottom is provided with a storage table , the lower end of the storage table is provided with a detection control circuit; the detection control circuit includes a power module, and the power module is used to supply power to the motor 3 and the detection control circuit; the detection control circuit also includes a central processing unit, an alarm Device 9, the camera device 8 of gathering cable video information and the communication device that is used to transmit information, described communication device, warning device 9, camera device 8 are connected with CPU signal respectively; Described camera device 8 is arranged on the object On the stage, the communication device includes a communication chip and a communication antenna connected to it. An antenna storage body 5 is provided at the bottom of the base 2 , and the communication antenna is arranged in the antenna storage body 5 . The rotation of the propeller 4 drives the detection device to be set forward or backward to detect the real-time situation of the detection control circuit detection cable, and the top case 1 can provide a shield for the detection control circuit to improve measurement accuracy.

A power line detection device that can detect heat sources described in this embodiment, when the communication antenna is improved, its communication quality will be improved, so the communication antenna includes an elliptical PCB board A1, and the PCB board A1 There are two up-and-down symmetrical microstrip oscillator units; each microstrip oscillator unit includes a semicircular first arc-shaped vibrating arm a4, and a V-shaped notch A41 is provided on the first arc-shaped vibrating arm a4; The two free ends of the first arc-shaped vibrating arm a4 are connected with a bridge arm a6; each microstrip vibrator unit also includes a second arc-shaped vibrating arm a5 opposite to the opening direction of the first arc-shaped vibrating arm a4, and the bridge arm a6 The free end is connected to the second arc-shaped vibrating arm a5, the bridge arm a6 extends downwards with a first vibrator arm a7, and the free end of the first vibrating arm a7 extends to the side away from the first arc-shaped vibrating arm a4 to form an L-shaped The second vibrator arm a8; the bottom of the second arc-shaped vibrating arm a5 is provided with a rectangular notch, and also includes a T-shaped parasitic vibrator unit a9, and the lower end of the T-shaped parasitic vibrator unit a9 is set in the rectangular notch; the bridge The arm a6 is provided with a plurality of hollow units a61, and the hollow unit a61 includes six triangular holes a611 arranged in a ring, and a corner of each triangular hole a611 close to the center of the hollow unit a61 extends a rectangular isolation to the center of the hollow unit a61. The slot; also includes an L-shaped feeder a3, one end of the feeder a3 is connected to the first arc-shaped vibrating arm a4, and the other end is connected to the feeder hole.

Through HSFF and rotator tests, as well as microstrip circuit structure design, as well as a large number of simulation tests and parameter adjustments, the above-mentioned antenna structure was finally determined; after the communication antenna feeds and couples multiple antenna layers at the same time, its performance at 2.4GHz and 5.0GHz shows excellent electrical performance, as shown in Figure 6, the average return loss in the bandwidth near this frequency band reaches 9.65dBi; specifically, its return loss is in the 2.4-2.48GHz frequency band and the return loss in the 5.15-5.875GHz frequency band Both are better than -17dB; as shown in Figure 7, the isolation losses in the 2.4-2.48GHz and 5.15-5.875GHz frequency bands are better than -20dB. It proves that the antenna itself has good performance; in addition, the antenna has good directivity, as shown in Figure 8 and Figure 9, and its two frequencies are omnidirectional antennas.

Example 2. An isolation ring a2 is also provided on the elliptical PCB A1 in this embodiment. The number of hollow hole units on each bridge arm a6 is four. The free end of the first dipole arm a7 is a wedge-shaped corner. The angle of the V-shaped notch A41 is 30°-45°. Through multiple tests, it is found that if the above specifications are met, the performance of the antenna will be more optimized, especially in terms of return loss, the return loss of the return loss in the 2.4-2.48GHz frequency band and 5.15-5.875GHz frequency band is better than -18dB .

A power line detection device capable of detecting heat sources described in this embodiment, the detection control circuit also includes a heat source temperature detector 7 for detecting the local temperature of the cable; the heat source temperature detector 7 is arranged on the storage table; the heat source temperature detection The device 7 can detect the local heating place in real time, and eliminate the fire hazard caused by the short circuit.

A power line detection device capable of detecting heat sources described in this embodiment, the detection control circuit also includes an electric field strength detector 6 for detecting electric field strength; the electric field strength detector 6 is arranged on the object table; real-time detection of electric field , check in real time where the magnetic field generated by the different currents caused by uneven thickness in the line is different. Used to eliminate potential safety hazards in a timely manner.

In the power line detection device capable of detecting heat sources described in this embodiment, the detection control circuit further includes a GPS positioning module for locating the position; it is used for timely positioning and is easy to find the location of the device.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the patent application scope of the present invention are included in the protection scope of the patent application of the present invention.

Claims (6)

1. A power line detection device capable of detecting heat sources, characterized in that: it includes a top shell (1) with an inner surface that is curved and two ends are open; the bottom of the top shell (1) is connected to a bottom bracket (2); The cable passes through the top case (1) and leans against the inner surface of the top case (1); the top of the top case (1) is provided with a motor (3), and the power output end of the motor (3) is provided with a propeller (4) for propulsion ; There is a storage platform in the bottom of the support, and a detection control circuit is provided at the lower end of the storage platform; the detection control circuit includes a power module, and the power module is used to supply power to the motor (3) and the detection control circuit; The detection control circuit also includes a central processing unit, an alarm device (9), a camera device (8) for collecting cable video information, and a communication device for transmitting information. The communication device, alarm device (9), camera device The devices (8) are respectively signal-connected to the central processing unit; the camera device (8) is set on the object stand, the communication device includes a communication chip and a communication antenna connected to it, and the bottom of the bottom support (2) An antenna storage body (5) is provided, and the communication antenna is arranged in the antenna storage body (5), The detection control circuit also includes a heat source temperature detector (7) for detecting the local temperature of the cable; the heat source temperature detector (7) is arranged on the object table. 2. A power line detection device capable of detecting heat sources according to claim 1, characterized in that: the communication antenna includes an oval PCB board (A1), and the PCB board (A1) is provided with two a vertically symmetrical microstrip vibrator unit; each microstrip vibrator unit includes a semicircular first arc-shaped vibrating arm (a4), and a V-shaped notch (A41) is provided on the first arc-shaped vibrating arm (a4); Bridge arms (a6) are connected to the two free ends of the first arc-shaped vibrating arm (a4); Each microstrip vibrator unit also includes a second arc-shaped vibrating arm (a5) opposite to the opening direction of the first arc-shaped vibrating arm (a4), and the free end of the bridge arm (a6) is connected to the second arc-shaped vibrating arm (a5), The bridge arm (a6) extends downwards with a first vibrator arm (a7), and the free end of the first vibrator arm (a7) extends to a side away from the first arc-shaped vibrating arm (a4) with an L-shaped second Vibrator arm (a8); the bottom of the second arc-shaped vibrating arm (a5) is provided with a rectangular notch, and also includes a T-shaped parasitic vibrator unit (a9), and the lower end of the T-shaped parasitic vibrator unit (a9) is set in the rectangular notch Inside; The bridge arm (a6) is provided with a plurality of hollow units (a61), and the hollow unit (a61) includes six triangular holes (a611) arranged in a ring, and each triangular hole (a611) is close to the hollow unit ( A corner at the center of a61) extends a rectangular isolation groove toward the center of the hollow unit (a61); It also includes an L-shaped feeder (a3), one end of the feeder (a3) is connected to the first arc-shaped vibrating arm (a4), and the other end is connected to the feeder hole. 3 . The power line detection device capable of detecting heat sources according to claim 2 , characterized in that: an isolation ring ( a2 ) is further provided on the oval PCB ( A1 ). 4 . 4. The power line detection device capable of detecting heat sources according to claim 2, characterized in that: the number of hollow hole units on each bridge arm (a6) is four. 5. A power line detection device capable of detecting heat sources according to claim 2, characterized in that: the free end of the first vibrator arm (a7) is a wedge-shaped corner. 6. The power line detection device capable of detecting heat sources according to claim 2, characterized in that: the angle of the V-shaped notch (A41) is 30°-45°.