Heat dissipation device of blackbody light source cavity system structure

Abstract

The invention discloses a heat dissipation device of a blackbody light source cavity system structure, which comprises a cavity, the cavity is of a semi-closed structure, the upper wall of the cavity is provided with an upper slot, a target mounting rack is inserted and mounted in the upper slot, the lower wall of the cavity is provided with a lower slot, a blackbody radiation panel is inserted and mounted in the lower slot, and the blackbody radiation panel is arranged in the cavity. The device comprises a cavity, heat dissipation air outlets are formed in the upper wall, the left side wall and the right side wall of the cavity, shielding plates are installed in the heat dissipation air outlets in a sliding mode, air inlets are formed in the left side wall and the right side wall of the cavity, fans are installed in the air inlets in an inserted mode, and an upper inserting groove and a lower inserting groove are formed in the side walls of the cavity. According to the device, the heat dissipation air outlet is formed in the cavity, heat in the cavity is brought out through the heat dissipation air outlet by means of airflow, the effect of controlling the temperature in the cavity is achieved, meanwhile, the size of the heat dissipation air outlet formed in the device can be adjusted, proper adjustment can be conducted according to the controlled temperature, and the applicability of the device is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of infrared docking, in particular to a heat dissipation device of a black body light source cavity system structure. Background Art

[0002] The thermal control system is an important system used to control the internal and external temperature of a device or system. Its main purpose is to maintain the temperature stability of the device or system and ensure that its control target works within the appropriate temperature range. The functions of the thermal control system include heat dissipation, heat preservation and temperature regulation, which are of great significance to the normal operation and service life of the equipment. In this infrared splicing instrument blackbody system, in order to maintain the temperature stability of the entire cavity of the blackbody system and the target, and to reasonably distribute the infrared light in the cavity, and to avoid deformation of the supporting structure due to poor temperature uniformity and excessive temperature, which affects the normal working ability of the entire system and makes it difficult to detect and identify, a heat dissipation device for the blackbody light source cavity system structure is now needed. Summary of the invention

[0003] The object of the present invention is to provide a heat dissipation device of a black body light source cavity system structure to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a heat dissipation device of a black body light source cavity system structure, comprising a cavity, the cavity being a semi-enclosed structure, an upper slot being provided on the upper wall of the cavity, a target mounting frame being inserted and installed in the upper slot, a lower slot being provided on the lower wall of the cavity, a black body radiation panel being inserted and installed in the lower slot; The upper wall and the left and right side walls of the cavity are provided with heat dissipation outlets, and shielding plates are slidably installed in the heat dissipation outlets. The left and right side walls of the cavity are provided with air inlets, and fans are inserted and installed in the air inlets, and the fans are electrically connected to an external power supply; The side walls of the upper slot and the lower slot are both installed with heat insulation pads, and the two heat insulation pads are respectively attached to the side walls of the target mounting frame and the black body radiation panel.

[0005] Preferably, a sliding groove is provided on the inner side wall of the heat dissipation outlet, the baffle plate is slidably installed in the sliding groove, a threaded hole is provided on the side wall of the cavity, a screw is screwed into the threaded hole, a connecting groove is provided on the side wall of the baffle plate, one end of the screw is inserted into the connecting groove and a limiting ring is installed, and a rotating handle is installed on the other end of the screw.

[0006] Preferably, the side wall of the shielding plate is provided with scale lines.

[0007] Preferably, a sealing gasket is fitted on the side wall of the shielding plate, and the sealing gasket can fit with the inner wall of the sliding groove. A clearance groove is opened on the side wall of the sealing gasket, and the clearance groove corresponds to the position of the scale line.

[0008] Preferably, the inner wall of the cavity is coated with diffuse reflection paint.

[0009] Preferably, a tooth groove is provided on the lower wall of the baffle plate, and a placement cavity is provided on the lower wall of the sliding groove. A gear is rotatably installed in the placement cavity, and the gear can be meshed with the tooth groove. One end of a rotating rod is installed on the side wall of the gear, and the other end of the rotating rod passes through the side wall of the cavity.

[0010] Preferably, a side cover is further included, a connecting threaded hole is opened on the side wall of the cavity, a through hole is opened on the side wall of the side cover, the through hole corresponds to the position of the connecting threaded hole, a connecting bolt is inserted and installed in the through hole, and the connecting bolt can be screwed into the connecting threaded hole.

[0011] Preferably, a through slot is formed on the side wall of the side cover, and a retaining net is installed on the inner wall of the through slot.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The device is provided with an air inlet and a heat dissipation outlet on the side wall of the cavity, and blows air into the cavity through a fan, so that the heat inside the cavity is taken out through the heat dissipation outlet through the airflow, thereby achieving the effect of controlling the temperature inside the cavity. At the same time, the size of the heat dissipation outlet provided in the device is adjustable, and can be appropriately adjusted according to the temperature of the temperature control, so that its applicability is greatly improved; In addition, the device is coated with diffuse reflection paint on the inner wall of the cavity. The diffuse reflection paint can evenly reflect the incident infrared light in all directions without changing the wavelength and energy of the light, so that it can provide a stable reflection signal in infrared measurement, which helps to improve the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the upper slot of the present invention.

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the lower slot of the present invention.

[0016] Figure 4 It is a schematic diagram of a top cross-sectional structure of a heat dissipation outlet according to a first embodiment of the present invention.

[0017] Figure 5 It is a schematic diagram of the side cross-sectional structure of the heat dissipation outlet of the second embodiment of the present invention.

[0018] In the figure: 1 cavity, 2 upper slot, 3 target mounting frame, 4 lower slot, 5 black body radiation panel, 6 heat dissipation outlet, 7 shielding plate, 8 air inlet, 9 fan, 10 heat insulation pad, 11 sliding slot, 12 threaded hole, 13 screw, 14 connecting slot, 15 limit ring, 16 rotating handle, 17 scale line, 18 sealing pad, 19 give way slot, 20 tooth groove, 21 placement cavity, 22 gear, 23 rotating rod, 24 side cover, 25 connecting threaded hole, 26 through hole, 27 connecting bolt, 28 through slot, 29 blocking net. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 The present invention provides a technical solution: a heat dissipation device of a black body light source cavity system structure, comprising a cavity 1, the cavity 1 is a semi-enclosed structure, an upper slot 2 is provided on the upper wall of the cavity 1, a target mounting frame 3 is inserted and installed in the upper slot 2, a lower slot 4 is provided on the lower wall of the cavity 1, a black body radiation panel 5 is inserted and installed in the lower slot 4; The blackbody radiation panel 5 is the heat source in this structure. One side of the panel located inside the cavity 1 is the blackbody heating surface, which radiates high temperature during operation. Cavity 1 is a semi-enclosed structure, and the material used is low expansion and high heat transfer material; The upper wall and the left and right side walls of the cavity 1 are provided with heat dissipation outlets 6, and shielding plates 7 are slidably installed in the heat dissipation outlets 6. The left and right side walls of the cavity 1 are provided with air inlets 8, and fans 9 are inserted and installed in the air inlets 8. The fans 9 are electrically connected to an external power supply. After the fan 9 is started, the external airflow can be sucked into the cavity 1, and then discharged through the heat dissipation outlet 6, taking away part of the heat inside the cavity 1, and performing heat dissipation treatment inside the cavity 1; In addition, the device is also provided with a slidable shielding plate 7 in the heat dissipation air outlet 6, through which the size and air volume of the heat dissipation air outlet 6 can be adjusted to achieve the purpose of temperature control; The side walls of the upper slot 2 and the lower slot 4 are both installed with heat insulation pads 10, and the two heat insulation pads 10 are respectively attached to the side walls of the target mounting frame 3 and the black body radiation panel 5; The function of the thermal insulation pad 10 is to avoid heat interference. Thermal insulation installation is required. The target mounting frame 3 and the cavity 1 are thermally insulated by the thermal insulation pad 10, and the black body radiation panel 5 and the cavity 1 are thermally insulated by the thermal insulation pad 10.

[0021] Specifically, a sliding groove 11 is provided on the inner wall of the heat dissipation outlet 6, and the shielding plate 7 is slidably installed in the sliding groove 11. A threaded hole 12 is provided on the side wall of the cavity 1, and a screw 13 is screwed into the threaded hole 12. A connecting groove 14 is provided on the side wall of the shielding plate 7, and one end of the screw 13 is inserted into the connecting groove 14 and a limiting ring 15 is installed, and a rotating handle 16 is installed on the other end of the screw 13; The position of the shielding plate 7 can be adjusted by rotating the screw 13. At the same time, the screw 13 is inserted into the connecting groove 14 of the side wall of the shielding plate 7. The screw 13 can rotate in the connecting groove 14, so that when the screw 13 is rotated, the shielding plate will not rotate with the screw 13. The setting of the limiting ring 15 can prevent the screw rod 13 from being separated from the connecting groove 14 .

[0022] Specifically, the side wall of the shielding plate 7 is provided with scale lines 17; The setting of the scale line 17 allows the staff to intuitively see the area of ​​the heat dissipation outlet 6 blocked by the shielding plate 7, which is convenient for accurately controlling the temperature in the cavity 1.

[0023] Specifically, a sealing gasket 18 is installed on the side wall of the shielding plate 7, and the sealing gasket 18 can fit with the inner wall of the sliding groove 11. A clearance groove 19 is opened on the side wall of the sealing gasket 18, and the clearance groove 19 corresponds to the position of the scale line 17; The sealing gasket 18 can improve the sealing effect between the shielding plate 7 and the sliding groove 11 on the one hand, and can also prevent the shielding plate 7 from shaking in the sliding groove 11 on the other hand.

[0024] Specifically, the inner wall of the cavity 1 is coated with diffuse reflective paint; Diffuse reflective paint can evenly reflect incident infrared light in all directions without changing the wavelength and energy of the light. This property enables it to provide a stable reflection signal in infrared measurement, which helps to improve the measurement accuracy. In infrared imaging systems, diffuse reflective paint can significantly enhance the target recognition ability.

[0025] Specifically, it also includes a side cover 24, a connecting threaded hole 25 is opened on the side wall of the cavity 1, and a through hole 26 is opened on the side wall of the side cover 24. The through hole 26 corresponds to the position of the connecting threaded hole 25. A connecting bolt 27 is inserted and installed in the through hole 26, and the connecting bolt 27 can be screwed into the connecting threaded hole 25.

[0026] Specifically, a through slot 28 is formed on the side wall of the side cover 24 , and a blocking net 29 is installed on the inner wall of the through slot 28 .

[0027] Example 2: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 The present invention provides a technical solution: a heat dissipation device of a black body light source cavity system structure, comprising a cavity 1, characterized in that: the cavity 1 is a semi-enclosed structure, an upper slot 2 is provided on the upper wall of the cavity 1, a target mounting frame 3 is inserted and installed in the upper slot 2, a lower slot 4 is provided on the lower wall of the cavity 1, a black body radiation panel 5 is inserted and installed in the lower slot 4; The upper wall and the left and right side walls of the cavity 1 are provided with heat dissipation outlets 6, and shielding plates 7 are slidably installed in the heat dissipation outlets 6. The left and right side walls of the cavity 1 are provided with air inlets 8, and fans 9 are inserted and installed in the air inlets 8. The fans 9 are electrically connected to an external power supply. The fan 9 proposed in this article is an axial flow cooling fan, and the fan 9 is selected according to the working conditions. The side walls of the upper slot 2 and the lower slot 4 are both installed with heat insulation pads 10 , and the two heat insulation pads 10 are respectively attached to the side walls of the target mounting frame 3 and the black body radiation panel 5 .

[0028] The inner wall of the heat dissipation outlet 6 is provided with a sliding groove 11 , and the shielding plate 7 is slidably installed in the sliding groove 11 .

[0029] The side wall of the shielding plate 7 is provided with scale lines 17 .

[0030] A sealing gasket 18 is fitted on the side wall of the shielding plate 7 , and the sealing gasket 18 can fit with the inner wall of the sliding groove 11 . A clearance groove 19 is opened on the side wall of the sealing gasket 18 , and the clearance groove 19 corresponds to the position of the scale line 17 .

[0031] The inner wall of the cavity 1 is coated with diffuse reflection paint.

[0032] A tooth groove 20 is formed on the lower wall of the shielding plate 7, and a placement cavity 21 is formed on the lower wall of the sliding groove 11. A gear 22 is rotatably installed in the placement cavity 21, and the gear 22 can be meshed and connected with the tooth groove 20. One end of a rotating rod 23 is installed on the side wall of the gear 22, and the other end of the rotating rod 23 passes through the side wall of the cavity 1; In this embodiment, the shielding plate 7 is driven by rotating the rotating rod 23 to drive the gear 22 to rotate. At the same time, with the cooperation of the gear 22 and the tooth groove 20, the shielding plate 7 is driven to slide in the sliding groove 11 to adjust the opening size of the heat dissipation outlet 6.

[0033] It also includes a side cover 24, a connecting threaded hole 25 is opened on the side wall of the cavity 1, and a through hole 26 is opened on the side wall of the side cover 24. The through hole 26 corresponds to the position of the connecting threaded hole 25. A connecting bolt 27 is inserted and installed in the through hole 26, and the connecting bolt 27 can be screwed into the connecting threaded hole 25.

[0034] A through slot 28 is formed on the side wall of the side cover 24 , and a blocking net 29 is installed on the inner wall of the through slot 28 .

[0035] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A heat dissipation device of a black body light source cavity system structure, comprising a cavity (1), characterized in that: The cavity (1) is a semi-enclosed structure, an upper slot (2) is provided on the upper wall of the cavity (1), a target mounting frame (3) is inserted and installed in the upper slot (2), and a lower slot (4) is provided on the lower wall of the cavity (1), a black body radiation panel (5) is inserted and installed in the lower slot (4); The upper wall and the left and right side walls of the cavity (1) are provided with heat dissipation outlets (6), a shielding plate (7) is slidably installed in the heat dissipation outlets (6), the left and right side walls of the cavity (1) are provided with air inlets (8), a fan (9) is inserted and installed in the air inlet (8), and the fan (9) is electrically connected to an external power supply; The side walls of the upper slot (2) and the lower slot (4) are both installed with heat insulation pads (10), and the two heat insulation pads (10) are respectively attached to the side walls of the target mounting frame (3) and the black body radiation panel (5).

2. The heat dissipation device of a blackbody light source cavity system structure according to claim 1, characterized in that: The inner wall of the heat dissipation outlet (6) is provided with a sliding groove (11), the shielding plate (7) is slidably installed in the sliding groove (11), the side wall of the cavity (1) is provided with a threaded hole (12), a screw rod (13) is screwed into the threaded hole (12), the side wall of the shielding plate (7) is provided with a connecting groove (14), one end of the screw rod (13) is inserted into the connecting groove (14) and a limit ring (15) is installed, and the other end of the screw rod (13) is installed with a rotating handle (16).

3. The heat dissipation device of a blackbody light source cavity system structure according to claim 2, characterized in that: The side wall of the shielding plate (7) is provided with scale marks (17).

4. The heat dissipation device of a blackbody light source cavity system structure according to claim 3, characterized in that: A sealing gasket (18) is fitted on the side wall of the shielding plate (7), and the sealing gasket (18) can fit the inner wall of the sliding groove (11). A clearance groove (19) is formed on the side wall of the sealing gasket (18), and the clearance groove (19) corresponds to the position of the scale line (17).

5. The heat dissipation device of a blackbody light source cavity system structure according to claim 1, characterized in that: The inner wall of the cavity (1) is coated with diffuse reflection paint.

6. The heat dissipation device of a black body light source cavity system structure according to claim 2, characterized in that: The lower wall of the shielding plate (7) is provided with a tooth groove (20), and the lower wall of the sliding groove (11) is provided with a placement cavity (21). A gear (22) is rotatably mounted in the placement cavity (21), and the gear (22) can be meshed with the tooth groove (20). One end of a rotating rod (23) is mounted on the side wall of the gear (22), and the other end of the rotating rod (23) passes through the side wall of the cavity (1).

7. The heat dissipation device of a black body light source cavity system structure according to claim 1, characterized in that: It also comprises a side cover (24), a connecting threaded hole (25) is provided on the side wall of the cavity (1), a through hole (26) is provided on the side wall of the side cover (24), the through hole (26) corresponds to the position of the connecting threaded hole (25), a connecting bolt (27) is inserted and installed in the through hole (26), and the connecting bolt (27) can be screwed into the connecting threaded hole (25).

8. The heat dissipation device of a black body light source cavity system structure according to claim 7, characterized in that: A through slot (28) is formed on the side wall of the side cover (24), and a blocking net (29) is installed on the inner wall of the through slot (28).

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