Open air curtain display cabinet with good refrigeration effect

Abstract

The utility model relates to the field of display cabinets, and discloses an open air curtain display cabinet with a good refrigeration effect. The air curtain machine is arranged in the upper cabinet body and is used for blowing cold air to a cabinet opening of the upper cabinet body and forming a barrier so as to isolate external hot air; the top plate is mounted in the upper cabinet body; the protection mechanism is installed on the top plate and used for shielding the open area of the upper cabinet body when the display cabinet is not used. According to the air curtain display cabinet, the intelligent control protection mechanism is introduced, the air curtain display cabinet automatically closes the open area when no person approaches, the open area needing to be maintained by an air curtain system and a refrigerating system is reduced, energy consumption is remarkably reduced, the shielding curtain can effectively isolate external hot air, and the energy-saving effect is achieved; the intelligent combination of the inductor and the driving mechanism realizes the automatic on-off control of the protection mechanism, does not need manual intervention, and is convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the field of display cabinets, in particular to an open air curtain display cabinet with good refrigeration effect. Background Art

[0002] An open air curtain display cabinet, also known as an air-cooled open display cabinet, is a refrigerated or frozen display device commonly used in retail places such as supermarkets, convenience stores, and restaurants. It uses air curtain technology to maintain the temperature inside the cabinet while allowing customers to directly select goods from the display cabinet without opening the cabinet door, thus effectively reducing the loss of cold air.

[0003] After retrieval, the publication number is: CN212205213U, which discloses a rapid cooling freezer with a horizontal air curtain, including an adjustment fan installed at the bottom of the placement board, and the working air direction of the adjustment fan is blown from bottom to top; a wind guiding device is installed on the back panel of the inner shell of the cabinet body, which can adjust the air direction of the cold air; a temperature device is installed on the top wall of the inner shell of the cabinet body, and the temperature device includes a temperature detection device and a temperature control switch.

[0004] The existing air curtain display cabinet cannot switch its usage state. Since the air curtain display cabinet is open, in order to maintain the temperature inside the cabinet, the air curtain system and the refrigeration system need to run continuously, resulting in relatively high energy consumption of the open air curtain display cabinet. In the case of no customer flow, the open design makes the goods directly exposed to the external environment, increasing the risk of being contaminated. Especially in commercial places with a large flow of people, pollutants such as dust and bacteria in the air may adhere to the surface of the goods. Summary of the Utility Model

[0005] To solve the above problems, the utility model is realized through the following technical solutions:

[0006] An open air curtain display cabinet with good refrigeration effect, including: an upper cabinet body; an air curtain machine installed in the upper cabinet body for blowing cold air towards the cabinet opening of the upper cabinet body and forming a barrier to isolate external hot air; a top plate installed in the upper cabinet body; a protection mechanism installed on the top plate for covering the open area of the upper cabinet body when the display cabinet is not in use; a driving mechanism installed in the upper cabinet body, the driving mechanism is connected to the protection mechanism, and the driving mechanism is used to control the opening and closing of the protection mechanism.

[0007] The protection mechanism includes: a shielding curtain connected to the top plate and configured to move inside the upper cabinet body for covering the open area of the upper cabinet body; a connecting rod installed at one end of the shielding curtain, the connecting rod is configured to move inside the upper cabinet body for driving the shielding curtain to unfold and fold; a winding roller installed on the top plate, the other end of the shielding curtain is connected to the winding roller, and the winding roller is used for winding and unwinding the shielding curtain.

[0008] The top plate includes: a groove formed at the bottom of the top plate, and the winding roller is connected in the groove.

[0009] The protection mechanism further includes: two elastic members respectively installed on two side walls of the groove, and the elastic members are connected to the winding roller for providing a restoring force for the winding roller to return to its initial position.

[0010] The driving mechanism includes: two fixed rods respectively installed on two side walls of the upper cabinet body, and the connecting rod is arranged between the two fixed rods, and the fixed rods are used for providing a moving track for the connecting rod.

[0011] The fixed rod includes: a moving groove formed on one side of the fixed rod; a moving seat connected in the moving groove, and the connecting rod is connected to the moving seat; a lead screw installed in the moving groove and connected to the moving seat, and the lead screw is used for driving the moving seat to move in the moving groove; a power source installed at one end of the fixed rod, and a power shaft of the power source is connected to the lead screw, and the power source is used for providing rotational power for the lead screw.

[0012] The upper cabinet body includes: a sensor installed on the outer side of the upper cabinet body for detecting the approach of a human body to trigger the automatic switching action of the protection mechanism.

[0013] It further includes: a lower cabinet body installed at the bottom of the upper cabinet body.

[0014] The utility model provides an open air curtain display cabinet with good refrigeration effect. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The protection mechanism realizes the rapid deployment and retraction of the shielding curtain. During non-display periods or when it is necessary to protect the items in the cabinet, the shielding curtain can quickly shield the open area of the upper cabinet body, effectively preventing dust, insects, etc. from entering, and at the same time enhancing the safety of the display cabinet.

[0016] 2. Through the sensor, the approach of a human body can be detected in real time, and the opening or closing action of the protection mechanism can be automatically triggered without manual intervention, which is both convenient and efficient. It can not only improve the user experience, but also reduce energy consumption and operating costs.

[0017] 3. The built-in air curtain machine can continuously blow cold air towards the cabinet opening of the upper cabinet body to form a tight cold air barrier, effectively isolating the external hot air, maintaining a low-temperature environment inside the cabinet, and ensuring the freshness and quality of the displayed items. Description of the Drawings

[0018] Figure 1 It is a schematic three-dimensional structure diagram proposed by the utility model.

[0019] Figure 2 It is a schematic diagram of the deployed state of the protection mechanism proposed by the utility model.

[0020] Figure 3 The sectional structure schematic diagram of the top plate and the protection mechanism proposed by the present utility model.

[0021] Figure 4 The structure schematic diagram of the protection mechanism proposed by the present utility model.

[0022] Figure 5 The structure schematic diagram of the driving mechanism proposed by the present utility model.

[0023] The reference signs in the figure are:

[0024] 1, lower cabinet;

[0025] 2, upper cabinet; 201, inductor;

[0026] 3, top plate; 301, groove;

[0027] 4, protection mechanism; 401, shielding curtain; 402, connecting rod; 403, winding roller; 404, elastic member;

[0028] 5, driving mechanism; 501, fixed rod; 502, moving groove; 503, moving seat; 504, lead screw; 505, power source;

[0029] 6, air curtain machine. Specific embodiments

[0030] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] Refer to Figures 1 - 5, An open air curtain display cabinet with good refrigeration effect, comprising: an upper cabinet body 2; a lower cabinet body 1, installed at the bottom of the upper cabinet body 2; an air curtain machine 6, installed inside the upper cabinet body 2, used to blow cold air towards the cabinet opening of the upper cabinet body 2 and form a barrier to isolate external hot air. The built-in air curtain machine 6 can continuously blow cold air towards the cabinet opening of the upper cabinet body 2, forming a tight cold air barrier, effectively isolating external hot air, maintaining a low-temperature environment inside the cabinet, and ensuring the freshness and quality of the displayed items; a top plate 3, installed inside the upper cabinet body 2; a protection mechanism 4, installed on the top plate 3, used to block the open area of the upper cabinet body 2 when the display cabinet is not in use. The protection mechanism 4 adopts a design of a shielding curtain 401, and through the ingenious cooperation of a connecting rod 402 and a winding roller 403, the rapid deployment and retraction of the shielding curtain 401 are realized. During non-display periods or when it is necessary to protect the items inside the cabinet, the shielding curtain 401 can quickly block the open area of the upper cabinet body 2, effectively preventing dust, insects, etc. from entering, and at the same time enhancing the safety of the display cabinet; a driving mechanism 5, installed inside the upper cabinet body 2, the driving mechanism 5 is connected to the protection mechanism 4, and the driving mechanism 5 is used to control the opening and closing of the protection mechanism 4.

[0032] Refer to Figure 3 and Figure 4 , The protection mechanism 4 includes: a shielding curtain 401, connected to the top plate 3, arranged to move inside the upper cabinet body 2, used to block the open area of the upper cabinet body 2; a connecting rod 402, installed at one end of the shielding curtain 401, the connecting rod 402 is arranged to move inside the upper cabinet body 2, used to drive the shielding curtain 401 to deploy and retract; a winding roller 403, installed on the top plate 3, the other end of the shielding curtain 401 is connected to the winding roller 403, and the winding roller 403 is used to wind and unwind the shielding curtain 401.

[0033] Refer to Figure 3 , The top plate 3 includes: a groove 301, opened at the bottom of the top plate 3, and the winding roller 403 is connected inside the groove 301.

[0034] Refer to Figure 4 , The protection mechanism 4 further includes: two elastic members 404, respectively installed on both side walls of the groove 301, the elastic members 404 are connected to the winding roller 403, used to provide a restoring force for the initial position of the winding roller 403. The elastic members 404 adopt clockwork springs, and can also adopt coil springs.

[0035] Refer to Figure 1 and Figure 5, the driving mechanism 5 includes: two fixed rods 501 respectively installed on the two side walls of the upper cabinet body 2, a connecting rod 402 disposed between the two fixed rods 501, and the fixed rods 501 are used to provide a moving track for the connecting rod 402; the fixed rod 501 includes: a moving groove 502 opened on one side of the fixed rod 501; a moving seat 503 connected in the moving groove 502, and the connecting rod 402 is connected to the moving seat 503; a lead screw 504 installed in the moving groove 502 and connected to the moving seat 503, and the lead screw 504 is used to drive the moving seat 503 to move in the moving groove 502; a power source 505 installed at one end of the fixed rod 501, the power shaft of the power source 505 is connected to the lead screw 504, and the power source 505 is used to provide rotational power for the lead screw 504. The power source 505 uses a stepper motor or a servo motor. The power source 505 drives the lead screw 504 to rotate, the lead screw 504 drives the moving seat 503 to move in the moving groove 502, the moving seat 503 drives the connecting rod 402 to move, and the connecting rod 402 drives the shielding curtain 401 to unfold.

[0036] Referring to Figure 1 and Figure 2 , the upper cabinet body 2 includes: a sensor 201 installed on the outer side of the upper cabinet body 2 for detecting the approach of a human body to trigger the automatic switching action of the protection mechanism 4. The sensor 201 can detect the approach of a human body in real time. Once a person is detected approaching, it can automatically trigger the opening or closing action of the protection mechanism 4 without manual intervention, which is both convenient and efficient. This intelligent design not only improves the user experience but also reduces energy consumption and operating costs. The sensor 201 uses an infrared sensor or a proximity switch.

[0037] During use, the refrigerated air curtain display cabinet is in a standby state, the air curtain machine 6 continuously operates, blowing cold air towards the cabinet opening of the upper cabinet body 2 to form a cold air barrier, isolating the external hot air, maintaining a low-temperature environment inside the cabinet. The shielding curtain 401 of the protection mechanism 4 is in a retracted state, the connecting rod 402 is located at one end of the fixed rod 501, and the shielding curtain 401 is tightly wound around the groove 301 through the winding roller 403. When the shielding curtain 401 is in the retracted state and tightly wound around the winding roller 403, the elastic member 404 helps to keep the shielding curtain 401 tightly wound and prevents it from unfolding by itself without external force. The sensor 201 is in an activated state, ready to detect the approach of a human body at any time. When the sensor 201 detects that no human body is approaching, it automatically triggers the closing action of the protection mechanism 4, and the power source 505 of the driving mechanism 5 starts, driving the lead screw 504 to rotate. When the lead screw 504 rotates, the moving seat 503 connected to it moves in the moving groove 502 of the fixed rod 501, moving towards the winding roller 403. The moving seat 503 drives the connecting rod 402 to move, and the connecting rod 402 then drives one end of the shielding curtain 401 to move, causing the shielding curtain 401 to gradually unfold and shield the open area of the upper cabinet body 2. When the shielding curtain 401 is fully unfolded and shields the open area, the power source 505 stops working, and the shielding curtain 401 remains in the shielding position, effectively preventing dust, insects, etc. from entering, and at the same time enhancing the safety of the display cabinet. When the shielding curtain 401 unfolds, the elastic member 404 starts to wind and accumulate energy. When the sensor 201 detects the approach of a human body, it automatically triggers the opening action of the protection mechanism 4, and the power source 505 of the driving mechanism 5 starts in the reverse direction, driving the lead screw 504 to rotate in the reverse direction. When the lead screw 504 rotates in the reverse direction, the moving seat 503 moves in the reverse direction in the moving groove 502, away from the winding roller 403. The moving seat 503 drives the connecting rod 402 to move in the reverse direction, and the connecting rod 402 then drives one end of the shielding curtain 401 to move, causing the shielding curtain 401 to gradually retract and return to the winding roller 403. As the shielding curtain 401 gradually retracts and winds around the winding roller 403, the elastic member 404 releases the elastic deformation energy it stores, and the deformation energy of the spring gradually transforms into the mechanical energy of the rotation of the winding roller 403. The winding roller 403 actively winds the shielding curtain 401. When the shielding curtain 401 is fully retracted and returns to the groove 301, the power source 505 stops working, and the shielding curtain 401 remains in the retracted state, and the open area of the upper cabinet body 2 is reopened, facilitating the display of items. During the whole process, the air curtain machine 6 continuously operates to maintain a low-temperature environment inside the cabinet, ensuring the freshness and quality of the displayed items. The sensor 201 continuously detects the approach of a human body and automatically triggers the opening or closing action of the protection mechanism 4 according to the detection result, realizing intelligent control.

[0038] In summary, compared with the prior art, the following beneficial effects are achieved:

[0039] By introducing the intelligent control protection mechanism 4, the air curtain display cabinet automatically closes the open area when no one is approaching, reducing the open area that the air curtain system and the refrigeration system need to maintain, significantly reducing energy consumption. The shielding curtain 401 can effectively isolate the external hot air, effectively prevent pollutants such as dust, insects, and bacteria from entering the cabinet, reduce the risk of the goods being contaminated, and relieve the burden on the refrigeration system. At the same time, the air curtain system can also appropriately reduce the power or temporarily turn off to achieve the energy-saving effect.

[0040] The intelligent combination of the sensor 201 and the drive mechanism 5 realizes the automatic switch control of the protection mechanism 4 without manual intervention, which is both convenient and efficient. When a customer approaches, the shielding curtain 401 automatically retracts, and the display cabinet quickly opens, allowing the customer to clearly see and touch the goods; when the customer leaves, the shielding curtain 401 automatically unfolds and returns to the protection state, improving the customer's shopping experience and reducing the operating cost at the same time.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An open air curtain display cabinet with good cooling effect, characterized in that: include: Upper cabinet (2); An air curtain machine (6) is installed in the upper cabinet (2) and is used to blow cold air to the cabinet opening of the upper cabinet (2) and form a barrier to isolate hot air from the outside; A top plate (3) installed in the upper cabinet (2); A protection mechanism (4) is mounted on the top plate (3) and is used to shield the open area of ​​the upper cabinet body (2) when the display cabinet is not in use; A driving mechanism (5) is installed in the upper cabinet (2); the driving mechanism (5) is connected to the protection mechanism (4); and the driving mechanism (5) is used to control the opening and closing of the protection mechanism (4).

2. An open air curtain display cabinet with good cooling effect according to claim 1, characterized in that: The protection mechanism (4) comprises: A shielding curtain (401) connected to the top plate (3) and arranged to move inside the upper cabinet (2) and used for shielding the open area of ​​the upper cabinet (2); A connecting rod (402) is mounted on one end of the shielding curtain (401), and the connecting rod (402) is configured to move within the upper cabinet (2) to drive the shielding curtain (401) to unfold and fold; A reel (403) is mounted on the top plate (3); the other end of the shielding curtain (401) is connected to the reel (403); and the reel (403) is used to retract and release the shielding curtain (401).

3. An open air curtain display cabinet with good cooling effect according to claim 2, characterized in that: The top plate (3) comprises: The groove (301) is formed at the bottom of the top plate (3), and the winding roller (403) is connected in the groove (301).

4. The open air curtain display cabinet with good cooling effect according to claim 3, characterized in that: The protection mechanism (4) further comprises: Two elastic members (404) are respectively mounted on two side walls of the groove (301); the elastic members (404) are connected to the winding roller (403) and are used to provide a restoring force for the winding roller (403) to return to its initial position.

5. The open air curtain display cabinet with good cooling effect according to claim 2, characterized in that: The driving mechanism (5) comprises: Two fixing rods (501) are respectively mounted on two side walls of the upper cabinet (2); the connecting rod (402) is arranged between the two fixing rods (501); the fixing rod (501) is used to provide a moving track for the connecting rod (402).

6. An open air curtain display cabinet with good cooling effect according to claim 5, characterized in that: The fixing rod (501) comprises: A movable groove (502) is provided on one side of the fixing rod (501); A movable seat (503) is connected in the movable groove (502), and the connecting rod (402) is connected to the movable seat (503); A screw rod (504) is installed in the movable groove (502) and connected to the movable seat (503), and the screw rod (504) is used to drive the movable seat (503) to move in the movable groove (502); A power source (505) is installed at one end of the fixed rod (501); a power shaft of the power source (505) is connected to the screw rod (504); the power source (505) is used to provide rotational power for the screw rod (504).

7. The open air curtain display cabinet with good cooling effect according to claim 1, characterized in that: The upper cabinet (2) comprises: The sensor (201) is installed on the outside of the upper cabinet (2) and is used to detect the approach of a human body to trigger the automatic switching action of the protection mechanism (4).

8. The open air curtain display cabinet with good cooling effect according to claim 1, characterized in that: Also includes: The lower cabinet (1) is installed at the bottom of the upper cabinet (2).

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