Photoelectric rotary table heat dissipation system

Abstract

The utility model discloses a heat dissipation system of a photoelectric rotary table. The heat dissipation system comprises a base, a ball frame, a ball head and a fan, the ball frame is arranged on the base and can rotate relative to the base, the ball frame is provided with two oppositely-arranged fixing arms, a first cavity is formed in the ball frame, a second cavity is formed in one fixing arm, and a third cavity is formed in the other fixing arm; the ball head is arranged between the two fixing arms and can rotate relative to the ball frame, a fourth cavity is formed in the ball head, the first cavity, the second cavity, the fourth cavity and the third cavity are sequentially communicated, and the third cavity is communicated with the first cavity; the fan is arranged in the third cavity, an air inlet of the fan faces the third cavity, an air outlet of the fan faces the first cavity, and air in the photoelectric rotary table sequentially circulates along the first cavity, the second cavity, the fourth cavity and the third cavity under the action of the fan and circulates in a reciprocating mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of detection equipment, especially relates to a photoelectric turntable heat dissipation system. BACKGROUND

[0002] At present, photoelectric turntable has the advantages of small wind resistance coefficient, strong wind resistance, stable servo performance, high running accuracy, good monitoring effect and tracking performance in harsh environment, and is widely used in border monitoring, high-altitude observation, target automatic tracking and forest fire monitoring system.

[0003] With the rapid development of photoelectric turntable, its functions are more and more diversified. Due to the increasing number of integrated functions, there are more and more heating devices. Long-time operation will cause the heat generation of internal heating devices to be higher and higher. High temperature will affect the performance of internal electronic devices of photoelectric turntable, and in severe cases, it will cause photoelectric turntable to work abnormally. At the same time, due to the increasing number of electronic devices, the wiring difficulty of the electrical connection cable between each electronic device in photoelectric turntable is increased, which needs to be improved. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a photoelectric turntable heat dissipation system to solve the technical problem of low heat dissipation efficiency in the prior art.

[0005] The utility model adopts the following technical scheme: a photoelectric turntable heat dissipation system, comprising a base, a ball holder, a ball head and a fan.

[0006] The ball holder is arranged on the base, and the ball holder is rotatably arranged relative to the base. The ball holder has two opposite fixed arms. The ball holder has a first cavity. The fixed arm has a second cavity. The other fixed arm has a third cavity.

[0007] The ball head is arranged between the two fixed arms, and the ball head is rotatably arranged relative to the ball holder. The ball head has a fourth cavity. The first cavity, the second cavity, the fourth cavity and the third cavity are sequentially communicated, and the third cavity is communicated with the first cavity.

[0008] The fan is arranged in the third cavity. The air inlet of the fan faces the third cavity. The air outlet of the fan faces the first cavity. The air in the photoelectric turntable flows along the first cavity, the second cavity, the fourth cavity and the third cavity under the action of the fan, and circulates reciprocally.

[0009] In a possible implementation, the second chamber is provided with a vertical motor, and a driving end of the vertical motor is fixedly connected with a side wall of the ball head to drive the ball head to rotate.

[0010] In a possible implementation, the vertical motor is provided with a first air duct, and two ends of the first air duct are respectively communicated with the second chamber and the fourth chamber.

[0011] In a possible implementation, the other fixed arm is rotatably provided with a rotating shaft, the rotating shaft is fixedly connected with the other side wall of the ball head, the rotating shaft is provided with a second air duct at the center of the rotating shaft, and two ends of the second air duct are respectively communicated with the fourth chamber and the third chamber.

[0012] In a possible implementation, the bottom of the second chamber is provided with a first vent hole, and the first vent hole communicates the first chamber with the second chamber.

[0013] In a possible implementation, the bottom of the third chamber is provided with a second vent hole, the second vent hole communicates the first chamber with the third chamber, and an air outlet of the fan covers the second vent hole.

[0014] In a possible implementation, the bottom of the third chamber is further provided with a wire passing hole, and an elastic rubber ring is arranged on an inner wall of the wire passing hole.

[0015] In a possible implementation, the ball head is provided with a heat dissipation fin.

[0016] In a possible implementation, the first chamber is provided with a horizontal motor, and a driving end of the horizontal motor is fixedly connected with the base to drive the ball holder to rotate.

[0017] In a possible implementation, the base is provided with a fifth chamber, and the horizontal motor is provided with a third air duct, and two ends of the third air duct are respectively communicated with the first chamber and the fifth chamber.

[0018] Compared with the prior art, the photoelectric turntable has the following beneficial effects: when the photoelectric turntable works, the detection assembly arranged in the fourth chamber generates a large amount of heat, when the fan works, the heat concentrated in the fourth chamber is sucked into the third chamber, and then is blown into the first chamber and the second chamber by the fan, the first chamber, the second chamber, the fourth chamber and the third chamber form a closed air circulation system, and the fan provides power, the heat generated by the detection assembly is dispersed to the entire photoelectric turntable by the air circulation system, and the heat dissipation efficiency of the photoelectric turntable is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The utility model discloses a structure diagram of photoelectric turntable radiating system.

[0020] Figure 2 The utility model discloses a structure diagram of photoelectric turntable radiating system.

[0021] Figure 3 The utility model discloses a structure diagram of photoelectric turntable radiating system.

[0022] Figure 4 The utility model discloses a structure diagram of photoelectric turntable radiating system.

[0023] Figure 5 The utility model discloses a structure diagram of photoelectric turntable radiating system.

[0024] In the drawing:

[0025] 1, base; 11, fifth chamber; 12, handle;

[0026] 2, ball holder; 21, fixed arm; 22, first chamber; 23, second chamber; 24, third chamber; 25, first vent; 26, second vent; 27, wire hole; 28, ear cover; 29, bottom plate;

[0027] 3, ball head; 31, fourth chamber; 32, radiating fin;

[0028] 4, fan;

[0029] 5, vertical motor; 51, first air duct;

[0030] 6, rotating shaft; 61, second air duct;

[0031] 7, horizontal motor; 71, third air duct;

[0032] 8, elastic rubber ring;

[0033] 9, PCB board. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0035] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0036] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0037] like Figures 1-5 The photoelectric turntable heat dissipation system shown includes a base 1, a ball frame 2, a ball head 3, and a fan 4. The ball frame 2 is mounted on the base 1 and is rotatable relative to the base 1. The ball frame 2 has two opposing fixed arms 21. The ball frame 2 has a first chamber 22, one fixed arm 21 has a second chamber 23, and the other fixed arm 21 has a third chamber 24. The ball head 3 is located between the two fixed arms 21 and is rotatable relative to the ball frame 2. It has a fourth chamber 31, and the first chamber 22, the second chamber 23, the fourth chamber 31 and the third chamber 24 are connected in sequence, and the third chamber 24 is connected to the first chamber 22. The fan 4 is set in the third chamber 24, the air inlet of the fan 4 faces the third chamber 24 and the air outlet of the fan 4 faces the first chamber 22. The air in the photoelectric turntable flows in sequence along the first chamber 22, the second chamber 23, the fourth chamber 31 and the third chamber 24 under the action of the fan 4, and circulates repeatedly. It should be noted that the fourth chamber 31 is used to install a detection component (not shown in the figure). The detection component includes one or more of the following: a visible light camera, a thermal imaging camera, a laser illumination device, a laser rangefinder, and a fog-penetrating camera. The detection component is used to continuously monitor the target environment and objects. In this embodiment, the ball head 3 has two mounting holes in front. The upper mounting hole is used to install a visible light camera, and the lower mounting hole is used to install a thermal imaging camera. Some auxiliary components such as supplementary lights can also be set on the ball head 3. The fan 4 is fixed to the inner wall of the third chamber 24 by bolts. The two fixed arms 21 are each provided with ear covers 28 to form the second chamber 23 and the third chamber 24 on the two fixed arms 21 respectively. The base 1 is provided with a handle 12 for easy handling of the photoelectric turntable.

[0038] The utility model discloses beneficial effect lies in: photoelectric turntable work time, the detection subassembly of installing in the fourth chamber 31 can produce a large amount of heat, the fan 4 work time, the heat concentrated in the fourth chamber 31 can be inhaled into the third chamber 24, then be blown into the first chamber 22 and the second chamber 23 again in the fan 4, the first chamber 22, the second chamber 23, the fourth chamber 31 and the third chamber 24 form a closed loop air circulation system, and by fan 4 provides power, the heat of detection subassembly is dispersed to the whole photoelectric turntable by air circulation system, greatly improves the heat dissipation efficiency of photoelectric turntable.

[0039] Please refer to Figure 2 In a possible implementation, the second chamber 23 is provided with a vertical motor 5, and the driving end of the vertical motor 5 is fixedly connected with one side wall of the ball head 3 to drive the ball head 3 to rotate. It should be noted that the vertical motor 5 is used to drive the ball head 3 to rotate in the vertical direction, and the vertical motor 5 is fixed on the inner wall of the second chamber 23 by bolts. The fixed arm 21 is provided with a through hole, and the driving end of the vertical motor 5 passes through the through hole and is fixedly connected with the ball head 3.

[0040] Please refer to Figure 2 In a possible implementation, the vertical motor 5 is provided with a first air duct 51, and the two ends of the first air duct 51 are respectively communicated with the second chamber 23 and the fourth chamber 31. It should be noted that the first air duct 51 is arranged at the center of the vertical motor 5, and the opposite two side walls of the ball head 3 are respectively provided with through holes. The end of the first air duct 51 corresponds to the through hole of one side wall of the ball head 3, so as to realize the communication between the second chamber 23 and the fourth chamber 31 through the first air duct 51.

[0041] Please refer to Figure 2 In a possible implementation, the other fixed arm 21 is rotatably provided with a rotating shaft 6, the rotating shaft 6 is fixedly connected with the other side wall of the ball head 3, the center of the rotating shaft 6 is provided with a second air duct 61, and the two ends of the second air duct 61 are respectively communicated with the fourth chamber 31 and the third chamber 24. It should be noted that the end of the second air duct 61 corresponds to the through hole of the other side wall of the ball head 3, so as to realize the communication between the third chamber 24 and the fourth chamber 31 through the second air duct 61. The arrangement of the rotating shaft 6 can make the ball head 3 rotate more smoothly.

[0042] Please refer to Figure 2 and Figure 5 In a possible implementation, the bottom of the second chamber 23 is provided with a first ventilation hole 25, and the first ventilation hole 25 communicates the first chamber 22 with the second chamber 23. It should be noted that the first ventilation hole 25 can make the air enter the second chamber 23 from the first chamber 22, and the size of the first ventilation hole 25 can be freely set according to actual needs.

[0043] Please refer to Figure 3 andFigure 4 In a possible implementation, the bottom of the third chamber 24 is provided with a second vent hole 26, the second vent hole 26 communicates the first chamber 22 with the third chamber 24, and the air outlet of the fan 4 covers the second vent hole 26. It should be noted that the size of the second vent hole 26 can be set according to the size of the air outlet of the fan 4, to ensure that the air outlet can completely cover the second vent hole 26, and the fan 4 is arranged in the third chamber 24, and the arrangement of the second vent hole 26 can make the fan 4 blow air into the first chamber 22 smoothly.

[0044] Please refer to Figure 3 In a possible implementation, the bottom of the third chamber 24 is also provided with a wire passing hole 27, and an elastic rubber ring 8 is arranged on the inner wall of the wire passing hole 27. It should be noted that the first chamber 22 is provided with a PCB 9, and the fan 4 is electrically connected with the PCB 9 by wires, the wires pass through the center of the elastic rubber ring 8, and the elastic rubber ring 8 has a certain tightening force, which can not only fix the wires to avoid shaking of the wires, but also play a certain sealing role to avoid a large amount of air flowing through, thereby ensuring the stability of the air circulation system. In addition, the bottom of the second chamber 23 is also provided with a wire passing hole 27, and an elastic rubber ring 8 is arranged on the inner wall of the wire passing hole 27 to electrically connect the vertical motor 5 with the PCB 9.

[0045] Please refer to Figure 1 In a possible implementation, the ball head 3 is provided with a heat dissipation fin 32. It should be noted that the heat dissipation fin 32 is arranged on the back of the ball head 3, and the arrangement of the heat dissipation fin 32 can increase the heat dissipation area of the ball head 3, so as to further improve the heat dissipation efficiency of the ball head 3.

[0046] Please refer to Figure 2 In a possible implementation, the first chamber 22 is provided with a horizontal motor 7, and the driving end of the horizontal motor 7 is fixedly connected with the base 1 to drive the ball holder 2 to rotate. It should be noted that the horizontal motor 7 is electrically connected with the PCB 9, and the horizontal motor 7 is used to drive the ball holder 2 to rotate in the horizontal direction. The bottom of the ball holder 2 is provided with a bottom plate 29, the horizontal motor 7 is fixed on the bottom plate 29 by bolts, the bottom plate 29 is provided with a through hole, and the driving end of the horizontal motor 7 passes through the through hole and is fixedly connected with the base 1. Since the base 1 is fixed, the ball holder 2 rotates under the power of the horizontal motor 7.

[0047] Please refer to Figure 2 and Figure 5In a possible implementation, the base 1 has a fifth chamber 11, and the horizontal motor 7 is provided with a third air duct 71, and the two ends of the third air duct 71 are communicated with the first chamber 22 and the fifth chamber 11 respectively. It should be noted that the third air duct 71 is arranged at the center of the horizontal motor 7, and the top surface of the base 1 is provided with a through hole, and the end of the third air duct 71 corresponds to the through hole on the base 1, so as to realize the communication between the first chamber 22 and the fifth chamber 11 through the third air duct 71, and the base 1 is provided with an aviation head for connecting external power lines and signal lines, and the third air duct 71 can be used for wire passing and a small amount of air passing, so that heat enters the base 1 through the third air duct 71, and the heat dissipation efficiency of the photoelectric turntable is further improved.

[0048] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall belong to the scope of protection required by the present application.

Claims

1. A heat dissipation system for an optoelectronic turntable, characterized in that, The base, the ball stand, the ball head and the fan are included. The ball stand is arranged on the base and rotatable relative to the base, the ball stand has two opposite fixed arms, the ball stand has a first cavity, one of the fixed arms has a second cavity, and the other fixed arm has a third cavity. The ball head is arranged between the two fixed arms and rotatable relative to the ball stand, the ball head has a fourth cavity, the first cavity, the second cavity, the fourth cavity and the third cavity are sequentially communicated, and the third cavity is communicated with the first cavity. The fan is arranged in the third cavity, the air inlet of the fan faces the third cavity, the air outlet of the fan faces the first cavity, and the air in the photoelectric turntable circulates along the first cavity, the second cavity, the fourth cavity and the third cavity under the action of the fan.

2. The opto-electronic turret heat dissipation system of claim 1, wherein, A vertical motor is arranged in the second cavity, and a driving end of the vertical motor is fixedly connected with a side wall of the ball head to drive the ball head to rotate.

3. The opto-electronic turret heat dissipation system of claim 2, wherein, A first air duct is arranged on the vertical motor, and two ends of the first air duct are communicated with the second cavity and the fourth cavity, respectively.

4. The opto-electronic turret heat dissipation system of claim 1, wherein, A rotating shaft is rotatably arranged on the other fixed arm, the rotating shaft is fixedly connected with the other side wall of the ball head, a second air duct is arranged at the center of the rotating shaft, and two ends of the second air duct are communicated with the fourth cavity and the third cavity, respectively.

5. The opto-electronic turret heat dissipation system of claim 1, wherein, A first vent hole is arranged at the bottom of the second cavity, and the first vent hole communicates the first cavity with the second cavity.

6. The opto-electronic turret heat dissipation system of claim 1, wherein, A second vent hole is arranged at the bottom of the third cavity, the second vent hole communicates the first cavity with the third cavity, and the air outlet of the fan covers the second vent hole.

7. The opto-electronic turret heat dissipation system of claim 1, wherein, A wire passing hole is further arranged at the bottom of the third cavity, and an elastic rubber ring is arranged on the inner wall of the wire passing hole.

8. The opto-electronic turret heat dissipation system of claim 1, wherein, A heat dissipation fin is arranged on the ball head.

9. The opto-electronic turret heat dissipation system of claim 1, wherein, A horizontal motor is arranged in the first cavity, and a driving end of the horizontal motor is fixedly connected with the base to drive the ball stand to rotate.

10. The opto-electronic turret heat dissipation system of claim 9, wherein, A fifth cavity is arranged in the base, and a third air duct is arranged on the horizontal motor, and two ends of the third air duct are communicated with the first cavity and the fifth cavity, respectively.

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