阅读说明：本技术 中空玻璃表面不凝结水雾的节能冷热展示柜和展示窗 (Energy-saving cold and hot display cabinet and window with hollow glass surface free of condensed water mist ) 是由 李丹 于 2020-08-06 设计创作，主要内容包括：一种中空玻璃门冷冻展示柜,中空玻璃门底下部有一个贯流风机,有一个层流导风道,在中空玻璃门外部前端有一块可移动的玻璃导风板,中空玻璃门和玻璃导风板构成一个层流送风道,贯流风机将热空气或环境空气经层流导风道送到层流送风道,将环境温度均匀分布在中空玻璃门玻璃上；另一种加热展示柜,中空玻璃窗内部有一块可移动的玻璃导风板,中空玻璃窗和玻璃导风板构成一个层流送风道,下部有一个贯流风机,贯流风机将中空玻璃窗内环境空气送到层流送风道,空气温度均匀分布在中空玻璃窗玻璃上；解决展示窗柜内外的温差大于3℃以上时,在任何环境中展示窗的玻璃内外都保持透明,采用贯流风机比轴流风机效率高20%,省电,比电热膜玻璃成本低70%以上。(A hollow glass door freezing display cabinet, the bottom lower part of the hollow glass door has a cross-flow fan, there is a laminar flow air duct, there is a movable glass wind deflector in the outside front end of the hollow glass door, the hollow glass door and glass wind deflector form a laminar flow air supply duct, the cross-flow fan sends the hot air or ambient air to the laminar flow air supply duct through the laminar flow air duct, distribute the ambient temperature on the glass of the hollow glass door evenly; the other heating display cabinet is characterized in that a movable glass air deflector is arranged in a hollow glass window, the hollow glass window and the glass air deflector form a laminar air supply duct, a cross-flow fan is arranged at the lower part of the hollow glass window, ambient air in the hollow glass window is supplied to the laminar air supply duct by the cross-flow fan, and the air temperature is uniformly distributed on the glass of the hollow glass window; the display window cabinet solves the problem that when the temperature difference between the inside and the outside of the display window cabinet is more than 3 ℃, the inside and the outside of the glass of the display window cabinet are kept transparent in any environment, the efficiency of the cross-flow fan is 20 percent higher than that of an axial-flow fan, the electricity is saved, and the cost is more than 70 percent lower than that of electrothermal film glass.)

1. The utility model provides a vertical glass door freezing show cupboard, has at least one refrigerating system, characterized by: the refrigeration and display system is provided with at least one refrigeration and display chamber (1), at least one compressor (2) and at least one finned condenser (3) are arranged at the lower part of the outer bottom of the refrigeration and display chamber (1), at least one cross flow fan (4) is arranged, at least one left air deflector (5) and at least one right air deflector (6) are arranged at two ends of the cross flow fan (4), at least one upper air deflector (7) and at least one lower air deflector (8) are arranged at the upper part and the lower part to form at least one laminar flow air supply duct (9), at least one bracket (10) is arranged below the lower air deflector (8), each air deflector is linked with the edge of the finned condenser (3), and at least one filter screen (11) is arranged at the air inlet of the; at least one hollow glass door (12) is arranged in front of a freezing display chamber (1), at least one movable transparent material air guide plate (13) is arranged at the front end outside the hollow glass door (12), the hollow glass door (12) and the transparent material air guide plate (13) form at least one laminar flow air guide channel (14), a part of air outlet holes (15) of at least one laminar flow air supply channel (9) are arranged corresponding to the lower end, at least one front panel shutter air outlet (16) is arranged in the air outlet direction of the laminar flow air supply channel (9), at least one fin evaporator (17) is arranged on the inner rear wall of the freezing display chamber (1), at least one air guide plate (18) is arranged at the lower part of the fin evaporator (17) and forms an air guide channel (19) with the inner rear wall of the freezing display chamber (1), at least one cross flow fan (20) is arranged at the upper part of the fin evaporator (17), at least one guide wind direction conversion plate (21) which gradually inclines upwards is, the diversion wind direction conversion plate (21) is provided with at least one porous wind outlet (22) which is vertical downwards.

2. The vertical glass door refrigerated display case of claim 1 wherein: the front end of the outside of the hollow glass door (12) is provided with at least one movable transparent material air deflector (13), and the transparent material air deflector (13) can be rotated by organic glass, toughened glass or transparent plastic at the front end of the hollow glass door (12) by taking any edge as an axis.

3. The vertical glass door refrigerated display case of claim 1 wherein: the front end of the porous air outlet (22) directly sends laminar air to the glass surface on the inner side of the hollow glass door (12).

4. A refrigerated display cabinet with a hollow glass door, comprising at least one refrigeration system, characterized in that: the refrigeration display room is provided with at least one refrigeration display room (1), at least one compressor (2) is arranged at the lower part of the outer bottom of the refrigeration display room (1), at least one wire-tube condenser (3) is arranged at the back of the refrigeration display room (1), at least one protective air deflector (4) is arranged outside the wire-tube condenser (3) to form an air duct (5), at least one cross-flow fan (6) is arranged corresponding to the lower part, at least one hollow glass door (7) is arranged in front of the refrigeration display room (1), at least one transparent material air deflector (8) capable of rotating on each side is arranged at the front end of the hollow glass door (7), at least one laminar flow air guide duct (9) is formed by the hollow glass door (7) and the transparent material air deflector (8), a row of air outlet holes (10) is arranged corresponding to the lower end, at least one cross-flow fan (11) with a filter screen at an air inlet is arranged below, the method is characterized in that ambient air is kept at ambient temperature on the outer surface of a hollow glass door (7) through a laminar flow air guide channel (9) from the bottom of a cabinet, at least one plate-shell type evaporator (12) is arranged on the inner rear wall of a refrigeration display room (1), at least one protective air guide plate (13) is arranged outside the refrigeration display room to form an air channel (14), at least one cross-flow fan (15) is arranged on the upper portion of the air channel (14), at least one guide wind direction conversion plate (16) which gradually inclines upwards is arranged below an air outlet of the cross-flow fan (15), at least one long and round air outlet (17) which is vertical downwards is arranged on the guide wind direction conversion plate (16), and laminar flow cold air at the top end of the air outlet (17) downwards and directly blows.

5. The vertical glass door refrigerated display case of claim 4 wherein: the front end of the outside of the hollow glass door (7) is provided with at least one movable transparent material air deflector (8), and the transparent material air deflector (8) can be rotated by organic glass, toughened glass or transparent plastic at the front end of the hollow glass door (7) by taking any edge as an axis.

6. A multi-surface or cylindrical hollow glass freezing display cabinet is provided with at least one refrigerating system, and is characterized in that: the refrigeration and demonstration device is provided with at least one refrigeration and demonstration chamber (1), at least one compressor (2) and at least one wire-tube condenser (3) are arranged at the lower part of the outer bottom of the refrigeration and demonstration chamber (1), at least one turbine centrifugal fan (4) is arranged, at least one filter screen (5) is arranged at an air inlet of the turbine centrifugal fan (4), an upper air deflector (6) and a lower air deflector (7) are arranged above and below the turbine centrifugal fan (4) to form at least one laminar flow air supply duct (8), at least one hollow glass door (9) is arranged in front of the freezing and displaying chamber (1), the front end of the outside of the hollow glass door (9) is provided with a transparent material air deflector (10) which can rotate on each side, the hollow glass door (9) and the transparent material air deflector (10) form at least one laminar flow air guide channel (11), at least one row of air outlet holes (12) are arranged at the corresponding lower end, and at least one laminar air supply duct (8) corresponds to the lower part of the air outlet holes (12); the refrigerator is characterized in that hollow glass windows (13) are arranged on the other side edge of the refrigeration display chamber (1), at least one movable transparent material air deflector (14) is arranged at the outer end of at least one hollow glass window (13), the hollow glass window (13) and the movable transparent material air deflector (14) form at least one laminar flow air guide channel (11), at least one row of air outlet holes of a turbo centrifugal fan (4) are arranged at the corresponding lower end, under the driving of the turbo centrifugal fan (4), ambient air passes through a lower peripheral air inlet (15), is heated into hot air by a compressor (2) and a wire tube condenser (3) under a cabinet, and passes through the laminar flow air guide channel (11) through a laminar flow air supply channel (8), so as to heat the outer surfaces of peripheral glass; at least one fin evaporator (16) is arranged at the top in the refrigeration display room (1), at least one air deflector (17) is arranged at an air inlet of the fin evaporator (16) to form an air duct (18) with the top wall of the refrigeration display room (1), and at least one cross flow fan (19) is arranged on the inner side of the fin evaporator (16) close to the hollow glass door (9).

7. The multi-faced or cylindrical hollow glass freezer display of claim 6 wherein: the outer end of the hollow glass window (13) is provided with a movable transparent material air deflector (14), and the transparent material air deflector (14) can be rotated by using organic glass, toughened glass or transparent plastic at the front end of the hollow glass window (13) by taking any edge as an axis.

8. The multi-faced or cylindrical hollow glass freezer display of claim 6 wherein: at least one cross flow fan (19) is arranged near the inner side of the hollow glass door (9) and directly sends laminar air to the glass surface at the inner side of the hollow glass door (9).

9. A refrigerated display chamber employing hollow glass windows having at least one refrigeration system, characterized by: the refrigerator comprises at least one refrigeration display room (1) and at least one hollow glass window (2) on the front wall, wherein a movable transparent material air deflector (3) is arranged at the outer end of the hollow glass window (2), the hollow glass window (2) and the movable transparent material air deflector (3) form at least one laminar flow air channel (4), at least one cross flow fan (5) with a filter screen at an air inlet is arranged on any side of the laminar flow air channel, and under the drive of the cross flow fan (5), ambient air is enabled to keep the external surface of the hollow glass window (2) at the ambient temperature through the laminar flow air channel (4).

10. A heating display room adopting a hollow glass window is provided with at least one heating system, and is characterized in that: the heating display room comprises at least one heating display room (1) and at least one hollow glass window (2) with a front wall of the display room, wherein the inner end of the heating display room (1) of the hollow glass window (2) is provided with at least one movable transparent material air deflector (3), the hollow glass window (2) and the movable transparent material air deflector (3) form at least one laminar flow air duct (4), the laminar flow air duct (4) is provided with at least one cross flow fan (5) with an air inlet provided with a filter screen corresponding to any edge, and under the driving of the cross flow fan (5), air in the heating display room (1) passes through the laminar flow air duct (4) to keep the inner surface of the hollow glass window (2) at the temperature of the heating display room (1.

Technical Field

The invention relates to a refrigerated display cabinet with at least one side transparent material and non-condensed water mist on the outer surface and a display window with internal and external temperature difference.

Background

When the temperature in the existing glass window display cabinet is lower than-5 ℃, the ambient temperature outside the cabinet is 32 ℃, and the humidity is more than 60%, water mist can be condensed on the surface of the hollow glass window outside the cabinet. When the temperature in the cabinet is 50 ℃, the humidity is more than 80 percent, and the ambient temperature outside the cabinet is lower than 15 ℃, the surface of the hollow glass window in the cabinet can be condensed with water mist, and the transparent display effect is lost.

Chinese patent specifications CN86108177, CN199320044810.x, CN95208735.9, and CN201120038566.5, respectively, propose a method of providing laminar flow air supply by using an axial flow fan and a cross flow fan, and using partial condensation heat to heat the outer surface of a single-layer glass window or the outer surface of a hollow glass window by the fan, but the static air resistance of the outer surface of the glass is large, the heat cannot be uniformly transmitted to the whole glass window, and the water mist is still condensed on the outer surface of the upper glass window. The other is that Chinese patent specification CN02110443.3 proposes that an electrothermal film is adhered to the inner surface of the outer glass of the hollow glass to heat the outer glass, but the cost is high, the power consumption is high and the service life is short.

Disclosure of Invention

The present invention is directed to solving the above problems, and the transparent material of the display window remains transparent both inside and outside in any environment when the temperature difference between the inside and outside of the display window room is more than 3 ℃.

The invention is particularly suitable for the display window with temperature difference, and is not limited to the food freezing display cabinet and the hot food display cabinet.

The invention sends the heat or the ambient air from the refrigeration system to the air duct formed by the outer surface of the transparent material of the display window or the display cabinet and the air deflector of the transparent material, keeps the temperature and the humidity of the outer surface of the transparent material the same as the ambient temperature and humidity, solves the problem of water mist condensation on the surface of the transparent material, and has the following various solutions:

the invention relates to a hollow glass door freezing display cabinet, which comprises at least one refrigerating system and at least one freezing display chamber, wherein the lower part of the bottom of the freezing display chamber is provided with at least one compressor and at least one fin condenser; at least one hollow glass door is arranged in front of the freezing and displaying room, at least one movable transparent material air deflector is arranged at the front end outside the hollow glass door, organic glass, toughened glass or transparent plastic can be used for rotating at the front end of the hollow glass door by taking any edge as an axis, the hollow glass door and the transparent material air deflector form at least one laminar flow air guide channel, part of the air outlet hole corresponding to the lower end of at least one laminar flow air guide channel is arranged, at least one front panel shutter air outlet is arranged in the air outlet direction of the laminar flow air guide channel, at least one fin evaporator is arranged on the rear wall in the freezing and displaying room, at least one air deflector forms an air channel with the rear wall in the freezing and displaying room, the upper part of the fin evaporator is provided with at least one cross flow fan, at least one guide air direction conversion plate which gradually inclines upwards is arranged below the air outlet of the cross flow fan, and at least one porous air, the cold air laminar flow at the top end of the porous air outlet blows downwards directly on the glass in the hollow glass door cabinet, and the fog on the glass is removed quickly after the hollow glass door is opened and closed.

The invention relates to a refrigeration display cabinet with a hollow glass door, which is provided with at least one refrigeration system and at least one refrigeration display chamber, wherein the lower part of the bottom of the refrigeration display chamber is provided with at least one compressor, the back of the refrigeration display chamber is provided with at least one wire tube condenser, the outside of the wire tube condenser is provided with at least one protective air deflector to form an air duct, the corresponding lower part is provided with at least one cross-flow fan, the front of the refrigeration display chamber is provided with at least one hollow glass door, the front end of the hollow glass door is provided with at least one transparent material air deflector which can rotate on each side, the hollow glass door and the transparent material air deflector form at least one laminar flow air guide duct, the corresponding lower end is provided with a row of air outlets, at least one cross-flow fan with a filter screen is arranged below the air outlets, and the ambient air is driven by the cross-flow fan to keep the external surface of the hollow, the back wall of the refrigerated display room is provided with at least one plate-shell type evaporator, the outside is provided with at least one protective air deflector to form an air duct, the upper part of the air duct is provided with at least one cross-flow fan, the lower side of an air outlet of the cross-flow fan is provided with at least one guide air direction conversion plate which gradually inclines upwards, the guide air direction conversion plate is provided with at least one long round air outlet which is vertical downwards, and cold air laminar flow at the top end of the air outlet blows downwards and directly onto the glass in the hollow glass door cabinet to rapidly remove fog on the glass after the hollow glass door is opened and closed.

The invention relates to a multi-surface or cylindrical hollow glass freezing display cabinet, which is provided with at least one refrigerating system, at least one freezing display chamber, at least one compressor and at least one wire tube condenser arranged at the lower part of the bottom of the freezing display chamber, at least one turbine centrifugal fan, at least one filter screen arranged at the air inlet of the turbine centrifugal fan, an upper air deflector and a lower air deflector arranged above and below the turbine centrifugal fan, at least one laminar air supply duct formed by the upper air deflector and the lower air deflector, at least one hollow glass door arranged in front of the freezing display chamber, a transparent material air deflector which can rotate on each side arranged at the front end of the outer part of the hollow glass door, at least one laminar air supply duct formed by the hollow glass door and the transparent material air deflector, at least one row of air outlet holes arranged at the corresponding lower end, and at; the refrigerator comprises a refrigeration display room, a hollow glass window arranged on the other side of the refrigeration display room, at least one movable transparent material air deflector arranged at the outer end of the hollow glass window, wherein the transparent material air deflector can be made of organic glass, toughened glass or transparent plastic, the front end of the hollow glass window can rotate by taking any edge as an axis, the hollow glass window and the movable transparent material air deflector form at least one laminar flow air guide channel, at least one row of air outlet holes of a turbo centrifugal fan are arranged at the corresponding lower end of the laminar flow air guide channel, under the driving of the turbo centrifugal fan, ambient air passes through a lower peripheral air inlet, is heated into hot air by a compressor and a wire tube condenser under a cabinet, and passes through the laminar flow air guide channel through the; at least one fin evaporator is arranged at the top part in the freezing display chamber, at least one air deflector arranged at an air inlet of the fin evaporator and the top wall of the freezing display chamber form an air duct, and at least one cross flow fan is arranged on the fin evaporator close to the inner side of the hollow glass door.

The invention relates to a freezing exhibition room adopting a hollow glass window, which comprises at least one refrigerating system, at least one freezing exhibition room and at least one hollow glass window with a front wall, wherein a movable transparent material air deflector is arranged at the outer end of the hollow glass window, the hollow glass window and the movable transparent material air deflector form at least one laminar flow air channel, the laminar flow air channel is provided with at least one cross flow fan with a filter screen at any side, and the ambient air is driven by the cross flow fan to keep the external surface of the hollow glass window at the ambient temperature through the laminar flow air channel.

The invention relates to a heating display chamber adopting a hollow glass window, which is provided with at least one heating system, at least one heating display chamber and at least one hollow glass window with a front wall of the display chamber, wherein the inner end of the heating display chamber of the hollow glass window is provided with at least one movable air deflector made of transparent material, the hollow glass window and the movable air deflector made of transparent material form at least one laminar flow air channel, the laminar flow air channel is provided with at least one cross flow fan with an air inlet provided with a filter screen corresponding to any edge, and the air of the heating display chamber keeps the temperature of the inner surface of the hollow glass window at the heating display chamber through the laminar flow air channel under the driving of the cross flow.

Because the glass or the transparent material plate is added outside or inside the hollow glass, the hot air or the ambient air is uniformly distributed on the glass or the transparent material plate, and the temperature difference between all the glass or the transparent material plate and the environment is almost avoided, so that the water mist is not condensed on the glass or the transparent material on the inner surface and the outer surface of the cabinet, in addition, the front end of the cold air outlet in the cabinet directly sends laminar air to the surface of the glass on the inner side of the hollow glass door, and the mist on the inner glass after the hollow glass door is closed is rapidly removed; meanwhile, the cross-flow fan with 20% higher efficiency than the axial flow fan is adopted, laminar air supply resistance is small, noise is low, electricity is saved, and cost is reduced by more than 70% compared with that of electrothermal film glass.

The invention is explained in more detail below with reference to the drawing and four exemplary embodiments.

FIG. 1 is a side sectional view of an embodiment of a stand-up glass refrigerated display case.

Fig. 2 is a bottom top sectional view of fig. 1.

FIG. 3 is a side sectional view of an embodiment of the inverted glass refrigerated display case.

Fig. 4 is a bottom top cross-sectional view of fig. 3.

Fig. 5 is an elevational cross-sectional view of fig. 3.

Fig. 6 is a partially enlarged view of fig. 3.

Figure 7 is a side sectional view of an embodiment of an upright four-sided glass refrigerated display case.

Fig. 8 is a bottom top cross-sectional view of fig. 7.

Fig. 9 is a side sectional view of an embodiment of a display window.

Fig. 1 and 2 show a vertical glass door freezing and displaying cabinet, which comprises a freezing and displaying chamber (1), wherein a compressor (2) and a fin condenser (3) are arranged at the lower part of the outer bottom of the freezing and displaying chamber (1), a cross flow fan (4) is arranged, a left air deflector (5) and a right air deflector (6) are arranged at two ends of the cross flow fan (4), an upper air deflector (7) and a lower air deflector (8) are arranged at the upper part and the lower part to form a laminar flow air supply duct (9), a bracket (10) is arranged below the lower air deflector (8), four air deflectors of the cross flow fan (4) are connected with four sides of the fin condenser (3), and a filter screen (11) is arranged at the air inlet of the fin condenser (3); the refrigerator comprises a hollow glass door (12) arranged in front of a freezing display chamber (1), a transparent organic glass air deflector (13) which can be upwards turned is fixed at the front end outside the hollow glass door (12), the hollow glass door (12) and the transparent organic glass air deflector (13) form a laminar flow air guide duct (14), a part of air outlet holes (15) corresponding to a row of laminar flow air supply ducts (9) are arranged at the lower end, a front panel shutter air outlet (16) is arranged in the air outlet direction of the laminar flow air supply duct (9), ambient air is heated into hot air by a compressor (2) and a fin condenser (3) under a cabinet under the driving of a cross flow fan (4), the hot air passes through the laminar flow air guide duct (14) through the laminar flow air supply duct (9) to heat the outer surface of the hollow glass door (12), a fin evaporator (17) is arranged on the inner rear wall of the freezing display chamber (1), an air deflector (18) is arranged on the lower part of the fin evaporator (17) and forms an air guide duct (19) The upper part of the finned evaporator (17) is provided with a cross-flow fan (20), the lower side of an air outlet of the cross-flow fan (20) is provided with a diversion wind direction conversion plate (21) which gradually inclines upwards, and the diversion wind direction conversion plate (21) is provided with a plurality of long round air outlets (22) which are uniformly vertical downwards.

FIG. 3, FIG. 4, FIG. 5, FIG. 6 show a refrigerating showcase with a hollow glass door, which comprises a refrigerating display room (1), a compressor (2) arranged at the lower part of the outer bottom of the refrigerating display room (1), a wire-tube condenser (3) arranged at the back of the refrigerating display room (1), a protective air deflector (4) arranged outside the wire-tube condenser (3) to form an air duct (5), a cross-flow fan (6) with a filter screen arranged at the corresponding lower part, a hollow glass door (7) arranged in front of the refrigerating display room (1), a piece of air guide glass (8) capable of rotating at one side arranged at the front end of the hollow glass door (7), a laminar flow air guide duct (9) formed by the hollow glass door (7) and the air guide glass (8), a row of air outlets (10) arranged at the corresponding lower end, and a cross-flow fan (11) with a filter screen arranged at the air inlet arranged below the air outlets, the external surface of the hollow glass door (7) is kept at the ambient temperature by driving a cross-flow fan (11) through a laminar flow air guide channel (9) from the lower part of the cabinet, a plate-shell type evaporator (12) is arranged on the inner rear wall of a refrigeration display room (1), a protective air guide plate (13) is arranged outside the refrigeration display room to form a ventilation channel (14), the upper part of the ventilation channel (14) is provided with the cross-flow fan (15), a guide wind direction conversion plate (16) which gradually inclines upwards is arranged below an air outlet of the cross-flow fan (15), a plurality of uniform and downward vertical long round air outlets (17) are arranged on the guide wind direction conversion plate (16), and cold air laminar flow at the top end of the air outlets (17) directly blows the glass in the cabinet of the hollow glass door (7) downwards.

FIG. 7 and FIG. 8 show a vertical four-side hollow glass freezing showcase, which comprises a freezing exhibition chamber (1), a compressor (2) and a wire condenser (3) are arranged at the lower part of the outer bottom of the freezing exhibition chamber (1), a turbine centrifugal fan (4) is arranged, a filter screen (5) is arranged at the air inlet of the turbine centrifugal fan (4), an upper air deflector (6) and a lower air deflector (7) are arranged above and below the turbine centrifugal fan (4) to form a laminar air supply duct (8), a hollow glass door (9) is arranged in front of the freezing exhibition chamber (1), a piece of wind guide glass (10) capable of rotating coaxially with the hollow glass door (9) is arranged at the front end outside the hollow glass door (9), the hollow glass door (9) and the wind guide glass (10) form a laminar air supply duct (11), a row of air outlet holes (12) is arranged at the corresponding lower end, and a laminar air supply duct (8) is corresponding to the lower part of the air outlet, the refrigerator comprises three hollow glass windows (13) arranged on the other three sides of a freezing display chamber (1), wherein the outer end of each hollow glass window (13) is provided with a piece of wind guide glass (14) capable of moving on a left fixed shaft, the hollow glass windows (13) and the wind guide glass (14) form a laminar flow wind guide channel (11), three wind discharge holes (12) corresponding to a turbo centrifugal fan (4) are arranged at the lower end of each hollow glass window, under the driving of the turbo centrifugal fan (4), ambient air passes through a lower four-side air inlet (15) and is heated into hot air by a compressor (2) and a wire pipe condenser (3) under a cabinet, and the hot air passes through the laminar flow wind guide channel (11) through a laminar flow wind supply channel (8) to heat the; a fin evaporator (16) is arranged at the top in the refrigeration display room (1), an air guide plate (17) is arranged at an air inlet of the fin evaporator (16) to form an air duct (18) with the upper wall of the refrigeration display room (1), and a cross-flow fan (19) is arranged on the inner side of the fin evaporator (16) close to the hollow glass door (9).

Fig. 9 is another refrigerating display room using hollow glass window, which comprises a refrigerating display room (1) and a hollow glass window (2) with a front wall, wherein an air guide glass (3) capable of moving on an upper fixed shaft is arranged at the outer end of the hollow glass window (2), the hollow glass window (2) and the air guide glass (3) form a laminar air duct (4), three cross flow fans (5) with filter screens are arranged at the corresponding lower ends, and the ambient air is driven by the cross flow fans (5) to keep the external surface of the hollow glass window (2) at ambient temperature through the laminar air duct (4). The rear wall in the freezing display chamber (1) is provided with a fin evaporator (6), the lower part of the fin evaporator (6) is provided with an air deflector (7) which forms an air duct (8) with the rear wall in the freezing display chamber (1), the upper part of the fin evaporator (6) is provided with a cross-flow fan (9), the lower side of an air outlet of the cross-flow fan (9) is provided with a diversion wind direction conversion plate (10) which gradually inclines upwards, and the diversion wind direction conversion plate (10) is provided with a plurality of long round air outlets (11) which are uniformly vertical downwards. .