Carbon dioxide refrigeration equipment

Abstract

The utility model relates to the technical field of refrigeration equipment, in particular to carbon dioxide refrigeration equipment which comprises a base and a support, the support is fixedly connected to the upper surface of the base, a frame is fixedly connected to the outer wall of the support, a clamping mechanism is arranged in the frame, a rotating mechanism is arranged below the support, and the clamping mechanism is connected with the rotating mechanism. A fan is fixedly connected to the outer wall of the support, and a first pipeline is fixedly connected to the lower portion of the fan. The liquefied CO2 storage box is separated from a third pipeline, two vertical rods are pulled towards the two sides, the vertical rods drive wedge-shaped blocks to move, the wedge-shaped blocks drive vertical plates to move, the vertical plates drive sliding rods to slide, the sliding rods slide towards the interior of a sleeve, springs are compressed by the vertical plates, the liquefied CO2 storage box is taken out from the upper portion of a base, a new liquefied CO2 storage box is placed, and the vertical rods on the two sides are loosened. The spring drives the vertical plate to slide reversely under the elastic effect, the vertical plate drives the wedge-shaped block to move, and the vertical plate and the wedge-shaped block are attached to the outer wall of the liquefied CO2 storage box to fix the liquefied CO2 storage box.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration equipment, in particular to a carbon dioxide refrigeration equipment. Background Art

[0002] Based on the relevant thermophysical and chemical properties of carbon dioxide as a refrigerant and the carbon dioxide refrigeration cycle, the advantages of using carbon dioxide as a refrigerant and a transcritical cycle are explained.

[0003] For example, a carbon dioxide high-efficiency refrigeration device with patent number CN210718189U includes a carbon dioxide refrigeration system and a cooling system. An evaporator, a CO2 compressor, a filter and a condenser are provided inside the carbon dioxide refrigeration system, which are connected in sequence through pipes. A controller is provided outside the carbon dioxide refrigeration system and the cooling system. A semi-liquid and semi-gas automatic control condensing device is provided inside the condenser. The above-mentioned document still has shortcomings. When in use, a spiral coil condenser is provided in the condenser so that the carbon dioxide can be cooled quickly and effectively, and a liquefied CO2 storage tank is provided under the condenser so that the condensed carbon dioxide becomes liquid, so that the condenser directly discharges liquid carbon dioxide, and gas-liquid separation is carried out in the condenser, thereby saving the structure of the refrigeration equipment. However, after long-term use, the device needs to replace the liquefied CO2 storage tank. When in use, it is inconvenient to replace the liquefied CO2 storage tank. At the same time, the refrigeration range of CO2 is small when it is refrigerated. Utility Model Content

[0004] The utility model aims to solve the problem that it is inconvenient to replace a liquefied CO2 storage box, and proposes a carbon dioxide refrigeration device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A carbon dioxide refrigeration device is designed, comprising a base and a bracket, wherein the bracket is fixedly connected to the upper surface of the base, the outer wall of the bracket is fixedly connected to a frame, a clamping mechanism is arranged inside the frame, a rotating mechanism is arranged below the bracket, the outer wall of the bracket is fixedly connected to a fan, a first pipe is fixedly connected below the fan, the outer wall of the first pipe is fixedly connected to the bracket, and the inner wall of the bracket is fixedly connected to a liquid pump.

[0007] Preferably, the clamping mechanism includes a sleeve, which is fixedly connected to the inside of the frame, and a sliding rod is slidably connected to the inside of the sleeve, and a vertical plate is fixedly connected to the end of the sliding rod, and a spring is sleeved on the outer wall of the sliding rod, and the two ends of the spring are respectively fixedly connected to the vertical plate and the sleeve, a wedge block is fixedly connected to the top of the vertical plate, a sliding groove arranged in the wedge block is slidably connected to the outer wall of the pin rod, the pin rod is fixedly connected to the inside of the frame, and a vertical rod is fixedly connected to the top of the wedge block.

[0008] Preferably, the rotating mechanism includes a motor, which is fixed to the upper surface of the bracket, and the output shaft of the motor is fixed with a rotating rod, the outer wall of the upper end of the rotating rod is rotatably connected to the bracket through a bearing, the outer wall of the rotating rod is fixed with an upper cover body, and the end of the rotating rod is fixed with a lower cover body, the outer walls of the upper cover body and the lower cover body are both rotatably connected to a circular ring, a nozzle is arranged below the lower cover body, and the circular ring is fixedly connected to the outer wall of one end of the air inlet pipe.

[0009] Preferably, the output end of the liquid pump is fixedly connected with a second pipeline, and the second pipeline, the first pipeline and the air intake pipe are interconnected.

[0010] Preferably, a liquefied CO2 storage tank is placed above the base, and a third pipeline is fixedly connected to the right side of the liquefied CO2 storage tank via a flange.

[0011] Preferably, the outer wall of the third pipeline is fixedly connected to the bracket, and the end of the third pipeline is fixedly connected to the liquid pump.

[0012] The utility model proposes a carbon dioxide refrigeration device, which has the beneficial effects of: through the cooperation between the sleeve, the sliding rod, the vertical plate, the spring, the wedge block, the vertical rod and the pin rod, the liquefied CO2 storage box is separated from the third pipeline, the two vertical rods are pulled to both sides, the vertical rod drives the wedge block to move, the wedge block drives the vertical plate to move, the vertical plate drives the sliding rod to slide, the sliding rod slides toward the inside of the sleeve, the spring is compressed by the vertical plate, the liquefied CO2 storage box is taken out from the top of the base, and a new liquefied CO2 storage box is put in, the vertical rods on both sides are loosened, and the spring drives the vertical plate to slide in the opposite direction under the elastic action, the vertical plate drives the wedge block to move, the vertical plate and the wedge block are both fitted with the outer wall of the liquefied CO2 storage box to fix the liquefied CO2 storage box, the liquefied CO2 storage box is connected to the third pipeline, and the replacement of the liquefied CO2 storage box is completed. When in use, the liquefied CO2 storage box is convenient to replace.

[0013] Through the cooperation among the motor, the rotating rod, the upper cover body, the ring, the lower cover body, the nozzle and the air inlet pipe, CO2 enters the air inlet pipe through the third pipe and the second pipe, the fan blows air into the air inlet pipe through the first pipe, and CO2 enters the closed structure composed of the upper cover body, the ring and the lower cover body. Under the action of the fan, CO2 is sprayed out from the nozzle, and the motor is started. The motor drives the rotating rod to rotate, and the rotating rod drives the lower cover body to rotate, and then drives the nozzle to rotate, thereby increasing the range of CO2 spraying, so that when CO2 is used for cooling, the cooling range is larger. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2It is a structural sectional view of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the connection between the motor, the rotating rod and the upper cover body in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the connection between the sleeve, the slide rod and the spring in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection between the upper cover body, the ring and the nozzle in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the connection between the bracket, the motor and the rotating rod in the utility model.

[0020] In the figure: 1, base, 2, bracket, 3, clamping mechanism, 301, sleeve, 302, sliding rod, 303, vertical plate, 304, spring, 305, wedge block, 306, vertical rod, 307, pin rod, 4, rotating mechanism, 401, motor, 402, rotating rod, 403, upper cover body, 404, ring, 405, lower cover body, 406, nozzle, 407, air inlet pipe, 4a1, support rod, 5, frame, 6, fan, 7, first pipeline, 8, liquid pump, 9, second pipeline, 10, liquefied CO2 storage tank, 11, third pipeline. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] See attached Figure 1-6 : In this embodiment, a carbon dioxide refrigeration device includes a base 1 and a bracket 2. The bracket 2 is fixedly connected to the upper surface of the base 1. A storage rack is arranged on the upper surface of the base 1. A frame 5 is fixedly connected to the outer wall of the bracket 2. A clamping mechanism 3 is arranged inside the frame 5. The clamping mechanism 3 clamps and fixes the liquefied CO2 storage box. A rotating mechanism 4 is arranged below the bracket 2. The rotating mechanism 4 increases the refrigeration range of CO2. A fan 6 is fixedly connected to the outer wall of the bracket 2. A first pipe 7 is fixedly connected to the lower part of the fan 6. The fan 6 is connected to the first pipe 6. The outer wall of the first pipe 7 is fixedly connected to the bracket 2. A liquid pump 8 is fixedly connected to the inner wall of the bracket 2.

[0024] A second pipe 9 is fixedly connected to the output end of the liquid pump 8, and the liquid pump 8 is connected to the second pipe 9. The second pipe 9, the first pipe 7 and the air inlet pipe 407 are connected to each other. A liquefied CO2 storage tank 10 is placed above the base 1. A third pipe 11 is fixedly connected to the right side of the liquefied CO2 storage tank 10 through a flange. The liquefied CO2 storage tank 10 and the third pipe 11 can be separated. The outer wall of the third pipe 11 is fixedly connected to the bracket 2, and the end of the third pipe 11 is fixedly connected to the liquid pump 9. The third pipe 11 is connected to the liquid pump 9. The models of the liquefied CO2 storage tank 10 and the liquid pump 9 are the same as those in a carbon dioxide high-efficiency refrigeration device with patent number CN210718189U.

[0025] The clamping mechanism 3 includes a sleeve 301, a slide bar 302, a vertical plate 303, a spring 304, a wedge block 305, a vertical rod 306 and a pin 307. The sleeve 301 is fixedly connected to the inside of the frame 5. The inside of the sleeve 301 is slidably connected to the slide bar 302, and the slide bar 302 slides inside the sleeve 301. The end of the slide bar 302 is fixedly connected to the vertical plate 303. The slide bar 302 moves with the vertical plate 303. The outer wall of the slide bar 302 is sleeved with a spring 304. The model of the spring 304 is selected according to actual use requirements to meet work needs. The two ends of the spring 304 are fixedly connected to the vertical plate 303 and the sleeve 301 respectively. The spring 304 can drive the vertical plate 303 to move under the action of elasticity;

[0026] A wedge block 305 is fixedly connected above the vertical plate 303, and the vertical plate 303 drives the wedge block 305 to move. The slide groove provided in the wedge block 305 is slidably connected to the outer wall of the pin rod 307. The wedge block 305 slides on the outer wall of the pin rod 307 through the slide groove provided inside. The pin rod 307 is fixed inside the frame 5. A vertical rod 306 is fixedly connected above the wedge block 305, and the vertical rod 306 drives the wedge block 305 to move.

[0027] Separate the liquefied CO2 storage tank 10 from the third pipeline 11, pull the two vertical rods 306 to both sides, the vertical rods 306 drive the wedge block 305 to move, the wedge block 305 drives the vertical plate 303 to move, the vertical plate 303 drives the sliding rod 302 to slide, the sliding rod 302 slides toward the inside of the sleeve 301, the spring 304 is compressed by the vertical plate 303, take out the liquefied CO2 storage tank 10 from the top of the base 1, put in a new liquefied CO2 storage tank 10, loosen the vertical rods 306 on both sides, the spring 304 drives the vertical plate 303 to slide in the opposite direction under the elastic action, the vertical plate 303 drives the wedge block 305 to move, the vertical plate 303 and the wedge block 305 are both fitted with the outer wall of the liquefied CO2 storage tank 10 to fix the liquefied CO2 storage tank 10, connect the liquefied CO2 storage tank 10 to the third pipeline 11, complete the replacement of the liquefied CO2 storage tank 10, when in use, it is convenient to replace the liquefied CO2 storage tank 10.

[0028] The rotating mechanism 4 includes a motor 401, a rotating rod 402, an upper cover 403, a ring 404, a lower cover 405, a nozzle 406 and an air inlet pipe 407. The motor 401 is fixedly connected to the upper surface of the bracket 2. The output shaft of the motor 401 is fixedly connected to the rotating rod 402. The motor 401 drives the rotating rod 402 to rotate. The outer wall of the upper end of the rotating rod 402 is rotatably connected to the bracket 2 through a bearing, and the outer wall of the rotating rod 402 is fixedly connected to the upper cover 403.

[0029] The end of the rotating rod 402 is fixedly connected with the lower cover 405, and the rotating rod 402 drives the upper cover 402 and the lower cover 405 to rotate. The outer walls of the upper cover 403 and the lower cover 405 are both rotatably connected with the ring 404. The upper cover 403 and the lower cover 405 rotate inside the ring 404. A nozzle 406 is arranged below the lower cover 405, and CO2 is sprayed out by the nozzle 406. The ring 404 is fixedly connected with the outer wall of one end of the air inlet pipe 407;

[0030] CO2 enters the air inlet pipe 407 through the third pipe 11 and the second pipe 9, and the fan 6 blows air into the air inlet pipe 407 through the first pipe 7. CO2 enters the closed structure composed of the upper cover body 403, the ring 404 and the lower cover body 405. Under the action of the fan 6, CO2 is sprayed out from the nozzle 406, and the motor 401 is started. The motor 401 drives the rotating rod 402 to rotate, and the rotating rod 402 drives the lower cover body 405 to rotate, and then drives the nozzle 406 to rotate, thereby increasing the range of CO2 spraying, so that when CO2 is used for cooling, the cooling range is larger.

[0031] Working principle:

[0032] When using carbon dioxide refrigeration equipment for refrigeration;

[0033] Increase the CO2 refrigeration range stage:

[0034] Open the control valve provided in the liquefied CO2 storage tank 10, start the liquid pump 8 and the fan 6, the liquid pump 8 extracts the CO2 in the liquefied CO2 storage tank 10, the CO2 enters the air inlet pipe 407 through the third pipe 11 and the second pipe 9, the fan 6 blows air into the air inlet pipe 407 through the first pipe 7, the CO2 enters the closed structure composed of the upper cover body 403, the ring 404 and the lower cover body 405, under the action of the fan 6, the CO2 is sprayed out from the nozzle 406, the motor 401 is started, the motor 401 drives the rotating rod 402 to rotate, the rotating rod 402 drives the lower cover body 405 to rotate, and then drives the nozzle 406 to rotate, so as to increase the range of CO2 spraying, so that when CO2 is refrigerated, the refrigeration range is larger;

[0035] Liquefied CO2 storage tank replacement phase:

[0036] When the liquefied CO2 storage tank 10 needs to be replaced, the liquefied CO2 storage tank 10 is separated from the third pipeline 11, and the two vertical rods 306 are pulled to both sides, the vertical rods 306 drive the wedge block 305 to move, the wedge block 305 drives the vertical plate 303 to move, the vertical plate 303 drives the sliding rod 302 to slide, the sliding rod 302 slides toward the inside of the sleeve 301, the spring 304 is compressed by the vertical plate 303, the liquefied CO2 storage tank 10 is taken out from the top of the base 1, and a new liquefied CO2 storage tank is put in. 2 storage box 10, loosen the vertical rods 306 on both sides, and the spring 304 drives the vertical plate 303 to slide in the opposite direction under the elastic action, and the vertical plate 303 drives the wedge block 305 to move. The vertical plate 303 and the wedge block 305 are both in contact with the outer wall of the liquefied CO2 storage box 10 to fix the liquefied CO2 storage box 10, and the liquefied CO2 storage box 10 is connected to the third pipeline 11 to complete the replacement of the liquefied CO2 storage box 10. When in use, it is convenient to replace the liquefied CO2 storage box 10.

[0037] Embodiment 2:

[0038] See attached Figure 1-6 : In this embodiment, a carbon dioxide refrigeration device, the rotating mechanism 4 also includes a support rod 4a1, the lower end of the support rod 4a1 is fixedly connected to the air inlet pipe 407, and the upper end of the support rod 4a1 is fixedly connected to the bracket 2, and the support rod 4a1 plays a role in supporting and positioning the air inlet pipe 407;

[0039] Through the cooperation between the support rods 4a1, the lower end of the rod 4a1 is fixedly connected to the air inlet pipe 407, and the upper end of the support rod 4a1 is fixedly connected to the bracket 2. The support rod 4a1 plays a role in supporting and positioning the air inlet pipe 407.

[0040] Working principle:

[0041] The lower end of the rod 4a1 is fixedly connected to the air inlet pipe 407 , and the upper end of the support rod 4a1 is fixedly connected to the bracket 2 . The support rod 4a1 supports and positions the air inlet pipe 407 .

[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A carbon dioxide refrigeration device, comprising a base (1) and a bracket (2), wherein the bracket (2) is fixedly connected to the upper surface of the base (1), characterized in that: The outer wall of the bracket (2) is fixedly connected to a frame (5), a clamping mechanism (3) is arranged inside the frame (5), a rotating mechanism (4) is arranged below the bracket (2), the outer wall of the bracket (2) is fixedly connected to a fan (6), a first pipe (7) is fixedly connected below the fan (6), the outer wall of the first pipe (7) is fixedly connected to the bracket (2), and the inner wall of the bracket (2) is fixedly connected to a liquid pump (8).

2. A carbon dioxide refrigeration device according to claim 1, characterized in that: The clamping mechanism (3) comprises a sleeve (301), wherein the sleeve (301) is fixedly connected to the inside of the frame (5), a sliding rod (302) is slidably connected to the inside of the sleeve (301), a vertical plate (303) is fixedly connected to the end of the sliding rod (302), a spring (304) is sleeved on the outer wall of the sliding rod (302), and the two ends of the spring (304) are respectively fixedly connected to the vertical plate (303) and the sleeve (301), a wedge block (305) is fixedly connected above the vertical plate (303), a sliding groove arranged in the wedge block (305) is slidably connected to the outer wall of a pin rod (307), the pin rod (307) is fixedly connected to the inside of the frame (5), and a vertical rod (306) is fixedly connected above the wedge block (305).

3. A carbon dioxide refrigeration device according to claim 1, characterized in that: The rotating mechanism (4) comprises a motor (401), wherein the motor (401) is fixedly connected to the upper surface of the bracket (2), the output shaft of the motor (401) is fixedly connected to a rotating rod (402), the outer wall of the upper end of the rotating rod (402) is rotatably connected to the bracket (2) via a bearing, the outer wall of the rotating rod (402) is fixedly connected to an upper cover body (403), the end of the rotating rod (402) is fixedly connected to a lower cover body (405), the outer walls of the upper cover body (403) and the lower cover body (405) are both rotatably connected to a circular ring (404), a nozzle (406) is arranged below the lower cover body (405), and the circular ring (404) is fixedly connected to the outer wall of one end of an air inlet pipe (407).

4. A carbon dioxide refrigeration device according to claim 1, characterized in that: The output end of the liquid pump (8) is fixedly connected to a second pipeline (9), and the second pipeline (9), the first pipeline (7) and the air intake pipe (407) are interconnected.

5. A carbon dioxide refrigeration device according to claim 1, characterized in that: A liquefied CO2 storage tank (10) is placed above the base (1), and a third pipeline (11) is fixedly connected to the right side of the liquefied CO2 storage tank (10) via a flange.

6. A carbon dioxide refrigeration device according to claim 5, characterized in that: The outer wall of the third pipeline (11) is fixedly connected to the bracket (2), and the end of the third pipeline (11) is fixedly connected to the liquid pump (8).

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