Rear compensation type air curtain of half-height vertical display cabinet

Abstract

The utility model provides a rear compensation type air curtain of a half-height vertical display cabinet, which comprises the half-height vertical display cabinet, an upper air duct, a perfusion fan, an exhaust air duct, an air draft air duct, a drainage mechanism, a rear replenishment mechanism and a drainage frame, wherein the upper air duct is respectively communicated with the exhaust air duct and the output end of the perfusion fan; the interior of the air draft duct is communicated with the input end of the drainage mechanism, and the drainage mechanism is fixed at the lower end of the half-height vertical display cabinet; a rear replenishment mechanism is fixed to the rear side face of the half-height vertical display cabinet and communicates with the output end of the drainage mechanism and the upper air duct. And a plurality of drainage frames are arranged between the air exhaust duct and the air draft duct. According to the arrangement of the air curtain structure, when the air curtain structure is used, an air curtain can be formed at the front end of the half-height vertical display cabinet, when replenishment needs to be conducted at the rear end of the half-height vertical display cabinet, an air curtain can also be formed at the replenishment position, and then the temperature in the half-height vertical display cabinet is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to half high vertical display cabinet technical field especially relates to a half high vertical display cabinet rear compensation formula air curtain. BACKGROUND

[0002] Half high vertical display cabinet as a kind of common commercial equipment, it is widely used in supermarket, convenience store, exhibition hall and so on, for showing and preserving various goods, especially the food, beverage and electronic product etc. requiring temperature control, half high vertical display cabinet keeps the stability of temperature in cabinet by forming air curtain, prevents the invasion of external hot air, to ensure the freshness and quality of goods.

[0003] In the existing half high vertical display cabinet structure, air curtain system is usually only arranged at the front end of half high vertical display cabinet, this structure prevents external hot air from entering cabinet by the air curtain of front end, while keeping the circulation of cold air in cabinet, however, this design has obvious deficiency when replenishing at the rear end of half high vertical display cabinet.

[0004] Specifically, the air curtain system of existing structure can only form air curtain at the front end of half high vertical display cabinet, and cannot provide the same protection at the rear end of half high vertical display cabinet, when staff open the rear end of half high vertical display cabinet to replenish, external hot air will take the opportunity to rush into cabinet, destroy the original temperature balance, cause the temperature in cabinet to rise, which not only affects the preservation quality of goods, but also can increase the energy consumption of half high vertical display cabinet, because the system needs to consume more energy to restore the temperature in cabinet;In addition, the air curtain of front end of half high vertical display cabinet is easy to cause a large amount of loss after forming due to external airflow interference, and then cannot continuously and stably play the temperature insulation effect.

[0005] Therefore, it is very necessary to invent a half high vertical display cabinet rear compensation formula air curtain. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a half high vertical display cabinet rear compensation formula air curtain, to solve the problems mentioned in the background art.

[0007] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0008] The utility model discloses a kind of rear compensation formula wind curtain of half-height vertical display cabinet, including half-height vertical display cabinet, upper air duct, perfusion fan, exhaust air duct, exhaust air duct, drainage mechanism, rear replenishment mechanism and drainage frame, the upper end of the half-height vertical display cabinet is fixed with upper air duct by bolt, wherein the upper side of upper air duct is fixed with perfusion fan by bolt, the output end of this perfusion fan is communicated with upper air duct inside;The upper side of the front end of the half-height vertical display cabinet is fixed with exhaust air duct by bolt, wherein exhaust air duct is communicated with upper air duct inside;The lower side of the front end of the half-height vertical display cabinet is fixed with exhaust air duct by bolt, wherein the inside of exhaust air duct is communicated with the input end of drainage mechanism, and this drainage mechanism is fixed at the lower end of half-height vertical display cabinet by bolt;The rear side of the half-height vertical display cabinet is fixed with rear replenishment mechanism by bolt, wherein rear replenishment mechanism is communicated with the output end of drainage mechanism and upper air duct respectively;Drainage frame is arranged between exhaust air duct and exhaust air duct, wherein both ends of drainage frame are fixed with half-height vertical display cabinet by bolt.

[0009] Further, the drainage mechanism includes a first housing, an inner cavity, a partition, a fan and an evaporator, the first housing is fixed at the lower end of the half-height vertical display cabinet by bolt, and an inner cavity is formed in the first housing, wherein the inner cavity is communicated with the exhaust air duct and the rear replenishment mechanism respectively; the partition is fixed in the inner cavity, wherein a plurality of fans are fixed in the middle of the partition by bolt; an evaporator is fixed at one end of the inner cavity close to the rear replenishment mechanism by bolt, which can extract external gas and cool it, and finally discharge the cooled gas into the rear replenishment mechanism.

[0010] Further, the rear replenishment mechanism includes a lower slide, an upper slide and a cabinet door, the lower slide and the upper slide are fixed with the corresponding positions of the half-height vertical display cabinet by bolt, wherein at least two cabinet doors are slidingly installed between the lower slide and the upper slide, and the initial position of the cabinet door is in an unfolded state; a plurality of first through holes are formed in the lower slide and the upper slide at the initial position of the cabinet door, and the first through holes are communicated with the output end of the corresponding drainage mechanism and the upper air duct respectively; a plurality of second through holes are formed in the cabinet door, and the second through holes are communicated with the corresponding first through holes at the initial position of the cabinet door, which can connect the drainage mechanism and the upper air duct in normal use, and form a wind curtain at the open position of the cabinet door when the cabinet door is opened to replenish the half-height vertical display cabinet, so as to prevent the gas in the half-height vertical display cabinet from being discharged outside the cabinet.

[0011] Further, the upper air duct comprises a second shell, a backflow cavity and an exhaust cavity, the second shell is fixed on the upper end of the half-height display cabinet by bolts, the backflow cavity and the exhaust cavity are respectively arranged in the second shell and communicate with each other, and the cross-sectional shape of the backflow cavity and the exhaust cavity is T-shaped; the end of the backflow cavity away from the exhaust cavity communicates with the gas exhaust end of the rear restocking mechanism; the upper end of the exhaust cavity communicates with the output end of the perfusion fan, and the lower end of the exhaust cavity communicates with the inside of the exhaust air duct, so that the gas exhausted by the perfusion fan and the gas exhausted by the rear restocking mechanism are mixed and discharged into the exhaust air duct.

[0012] Further, the inside of the drainage frame is provided with a through hole which is large at the upper end and small at the lower end, the upper end of the through hole is opposite to the exhaust air duct, and the lower end of the through hole is opposite to the exhaust air duct, so that the gas exhausted by the exhaust air duct is guided to avoid a large amount of loss of the gas.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The drainage mechanism, the rear restocking mechanism and the upper air duct are matched, so that the external gas can be extracted and cooled, then the cooled gas is mixed with the gas exhausted by the perfusion fan, and then the air curtain is formed in the front of the half-height display cabinet through the exhaust air duct, so that the gas in the half-height display cabinet is prevented from being lost in the front end of the half-height display cabinet; when the half-height display cabinet is restocked, the air curtain is formed at the opening position of the cabinet door through the special design of the rear restocking mechanism, so that the gas in the half-height display cabinet is prevented from being lost in the rear part when the half-height display cabinet is restocked, and the energy waste is reduced.

[0015] 2. The through hole in the drainage frame can guide the gas exhausted by the exhaust air duct, so that the gas exhausted by the exhaust air duct is prevented from being lost in a large amount. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2It is the sectional view structure schematic diagram of the utility model.

[0019] Figure 3 It is the structure schematic diagram of the rear replenishment mechanism of the utility model.

[0020] Figure 4 It is the structure schematic diagram of the utility model Figure 3 in "A" position.

[0021] Figure 5 It is the structure schematic diagram of the utility model Figure 3 in "B" position.

[0022] In the figure,

[0023] 1-half high vertical display cabinet, 2-upper air duct, 21-second shell, 22-backflow cavity, 23-exhaust cavity, 3-perfusion fan, 4-exhaust air duct, 5-exhaust air duct, 6-drainage mechanism, 61-first shell, 62-internal cavity, 63-baffle, 64-fan, 65-evaporator, 7-rear replenishment mechanism, 71-lower slide, 72-upper slide, 73-cabinet door, 8-drainage frame. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] In the description of the utility model, it is understood that the terms "upper", "middle", "outer", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the components or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] Please refer to Figures 1 to 5As shown, the utility model is a kind of half high vertical display cabinet rear compensation formula air curtain, including half high vertical display cabinet 1, upper air duct 2, perfusion fan 3, exhaust air duct 4, exhaust air duct 5, drainage mechanism 6, rear replenishment mechanism 7 and drainage frame 8, the upper end of half high vertical display cabinet 1 is bolted with upper air duct 2, wherein the upper side of upper air duct 2 is bolted with perfusion fan 3, and the output end of the perfusion fan 3 is communicated with the inside of upper air duct 2;The upper side of the front end of half high vertical display cabinet 1 is bolted with exhaust air duct 4, wherein exhaust air duct 4 is communicated with the inside of upper air duct 2;The lower side of the front end of half high vertical display cabinet 1 is bolted with exhaust air duct 5, wherein the inside of exhaust air duct 5 is communicated with the input end of drainage mechanism 6, and the drainage mechanism 6 is bolted at the lower end of half high vertical display cabinet 1;The rear side of half high vertical display cabinet 1 is bolted with rear replenishment mechanism 7, wherein rear replenishment mechanism 7 is communicated with the output end of drainage mechanism 6 and upper air duct 2 respectively;A plurality of drainage frames 8 are arranged between exhaust air duct 4 and exhaust air duct 5, wherein the two ends of drainage frame 8 are fixed with half high vertical display cabinet 1 by bolt.

[0027] Specifically, drainage mechanism 6 includes first housing 61, inner cavity 62, baffle 63, fan 64 and evaporator 65, first housing 61 is bolted at the lower end of half high vertical display cabinet 1, and the inside of first housing 61 is provided with inner cavity 62, wherein inner cavity 62 is communicated with exhaust air duct 5 and rear replenishment mechanism 7 respectively;Baffle 63 is fixed in the inside of inner cavity 62, wherein the middle part of baffle 63 is bolted with a plurality of fans 64;One end of inner cavity 62 close to rear replenishment mechanism 7 is bolted with evaporator 65, when using, external gas can be extracted by the cooperation of fan 64 and exhaust air duct 5, and be transported to evaporator 65 position, the gas is cooled by evaporator 65, then the cooled gas is discharged to the inside of rear replenishment mechanism 7.

[0028] Specifically, the rear replenishment mechanism 7 comprises a lower slide 71, an upper slide 72 and a cabinet door 73, the lower slide 71 and the upper slide 72 are fixed to the corresponding positions of the half-height vertical display cabinet 1 by bolts, wherein at least two cabinet doors 73 are slidingly installed between the lower slide 71 and the upper slide 72, and the initial position of the cabinet door 73 is the unfolded state; a plurality of first through holes are formed in the lower slide 71 and the upper slide 72 at the initial position of the cabinet door 73, and the first through holes are communicated with the corresponding output end of the drainage mechanism 6 and the upper air duct 2 respectively; a plurality of second through holes are formed in the interior of the cabinet door 73, and the second through holes are communicated with the corresponding first through holes at the initial position of the cabinet door 73; in normal use, the cold air discharged by the drainage mechanism 6 can be transported into the interior of the upper air duct 2 through the first through holes and the second through holes in the interior of the lower slide 71, the cabinet door 73 and the upper slide 72; when it is necessary to open the cabinet door 73 to replenish the interior of the half-height vertical display cabinet 1, part of the first through holes in the lower slide 71 will leak out with the sliding of the cabinet door 73, and the leaked first through holes will form an air curtain at the opening position of the cabinet door 73, while the second through holes in the interior of the cabinet door 73 will not be moved, and the cold air discharged by the drainage mechanism 6 can still be transported into the interior of the upper air duct 2, in addition, since the air curtain will only be formed at the opening position of the cabinet door 73, energy waste will not be caused.

[0029] Specifically, the upper air duct 2 comprises a second shell 21, a backflow cavity 22 and an exhaust cavity 23, the second shell 21 is fixed to the upper end of the half-height vertical display cabinet 1 by bolts, wherein the interior of the second shell 21 is respectively provided with the backflow cavity 22 and the exhaust cavity 23, the backflow cavity 22 and the exhaust cavity 23 are communicated, and the cross-sectional shape of the backflow cavity 22 and the exhaust cavity 23 is "T" shape; the end of the backflow cavity 22 away from the exhaust cavity 23 is communicated with the gas discharge end of the rear replenishment mechanism 7; the upper end of the exhaust cavity 23 is communicated with the output end of the perfusion fan 3, and the lower end of the exhaust cavity 23 is communicated with the interior of the exhaust air duct 4, in use, the exhaust cavity 23 can receive the gas discharged by the perfusion fan 3 and transport it into the interior of the exhaust air duct 4, at the same time, the backflow cavity 22 can receive the gas discharged by the rear replenishment mechanism 7 and make it be discharged into the interior of the exhaust air duct 4 together with the gas in the interior of the exhaust cavity 23.

[0030] Specifically, the interior of the drainage frame 8 is provided with a through hole which is large at the upper end and small at the lower end, wherein the upper end of the through hole is opposite to the exhaust air duct 4, and the lower end of the through hole is opposite to the suction air duct 5, in use, the through hole in the interior of the drainage frame 8 can guide the gas discharged by the exhaust air duct 4, thereby avoiding the large loss of the gas discharged by the exhaust air duct 4.

[0031] Please refer to Figures 1-5As shown, the utility model is a kind of half high vertical display cabinet rear compensation formula wind screen, its working principle is as follows: when using, first by the drainage mechanism 6 to the external gas extraction, and it is cooled, then the gas after cooling is discharged into upper air duct 2 by rear replenishment mechanism 7, make it with the gas of the gas-lifting fan 3 discharge mixing, finally through exhaust air duct 4 in the front of half high vertical display cabinet 1 form wind screen, wherein the flow guide frame 8 can guide the wind screen, avoid wind screen to appear a large amount of loss, in addition, when needing to the inside of half high vertical display cabinet 1 is replenished, can be through sliding cabinet door 73, in the rear of half high vertical display cabinet is replenished.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A rear compensation type air curtain for a semi-high vertical display cabinet, comprising a semi-high vertical display cabinet (1), an upper air duct (2), a draft fan (3), an exhaust air duct (4), a suction air duct (5), a flow guide mechanism (6), a rear restocking mechanism (7) and a flow guide frame (8), characterized in that: The upper end of the half-height vertical display cabinet (1) is fixed with an upper air duct (2), wherein the upper side of the upper air duct (2) is fixed with a perfusion fan (3), the output end of the perfusion fan (3) is communicated with the inside of the upper air duct (2); the front upper side of the half-height vertical display cabinet (1) is fixed with an exhaust air duct (4), wherein the exhaust air duct (4) is communicated with the inside of the upper air duct (2); the front lower side of the half-height vertical display cabinet (1) is fixed with an exhaust air duct (5), wherein the inside of the exhaust air duct (5) is communicated with the input end of a drainage mechanism (6), the drainage mechanism (6) is fixed at the lower end of the half-height vertical display cabinet (1); the rear side of the half-height vertical display cabinet (1) is fixed with a rear replenishment mechanism (7), wherein the rear replenishment mechanism (7) is communicated with the output end of the drainage mechanism (6) and the upper air duct (2) respectively; a plurality of drainage frames (8) are arranged between the exhaust air duct (4) and the exhaust air duct (5), wherein both ends of the drainage frame (8) are fixed with the half-height vertical display cabinet (1).

2. A semi-high free standing display cabinet rear compensated air curtain as claimed in claim 1 wherein: The drainage mechanism (6) comprises a first shell (61), an inner cavity (62), a partition plate (63), a fan (64) and an evaporator (65), the first shell (61) is fixed at the lower end of the half-height vertical display cabinet (1), and the inside of the first shell (61) is provided with the inner cavity (62), wherein the inner cavity (62) is communicated with the exhaust air duct (5) and the rear replenishment mechanism (7) respectively; the inside of the inner cavity (62) is fixed with the partition plate (63), wherein the middle part of the partition plate (63) is fixed with a plurality of fans (64); one end of the inner cavity (62) close to the rear replenishment mechanism (7) is fixed with the evaporator (65).

3. A semi-high free standing display cabinet rear compensated air curtain as claimed in claim 1 wherein: The rear replenishment mechanism (7) comprises a lower slide (71), an upper slide (72) and a cabinet door (73), the lower slide (71) and the upper slide (72) are fixed with the corresponding positions of the half-height vertical display cabinet (1) respectively, wherein at least two cabinet doors (73) are slidingly installed between the lower slide (71) and the upper slide (72), the initial position of the cabinet door (73) is the unfolded state; a plurality of first through holes are formed in the lower slide (71) and the upper slide (72) at the initial position of the cabinet door (73), the first through holes are communicated with the output end of the corresponding drainage mechanism (6) and the upper air duct (2) respectively; a plurality of second through holes are formed in the cabinet door (73), the second through holes are communicated with the corresponding first through holes at the initial position of the cabinet door (73) respectively.

4. A semi-high free standing display cabinet rear compensated air curtain as claimed in claim 1 wherein: The upper air duct (2) comprises a second shell (21), a backflow cavity (22) and an exhaust cavity (23), the second shell (21) is fixed on the upper end of the half-height vertical display cabinet (1), wherein the inner part of the second shell (21) is respectively provided with the backflow cavity (22) and the exhaust cavity (23), the backflow cavity (22) and the exhaust cavity (23) are communicated, and the cross-sectional shape of the backflow cavity (22) and the exhaust cavity (23) is a "T" shape; the end of the backflow cavity (22) far from the exhaust cavity (23) is communicated with the gas discharge end of the rear recharging mechanism (7); the upper end of the exhaust cavity (23) is communicated with the output end of the perfusion fan (3), and the lower end of the exhaust cavity (23) is communicated with the inside of the exhaust air duct (4).

5. A semi-high free standing display cabinet rear compensated air curtain as claimed in claim 1, characterised in that: The inside of the drainage frame (8) is provided with a through hole which is large at the upper end and small at the lower end, wherein the upper end of the through hole is opposite to the exhaust air duct (4), and the lower end of the through hole is opposite to the exhaust air duct (5).

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