CN216342980U - Fan control device in refrigeration display cabinet - Google Patents
Fan control device in refrigeration display cabinet Download PDFInfo
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- CN216342980U CN216342980U CN202122866706.4U CN202122866706U CN216342980U CN 216342980 U CN216342980 U CN 216342980U CN 202122866706 U CN202122866706 U CN 202122866706U CN 216342980 U CN216342980 U CN 216342980U
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Abstract
The utility model provides a fan control device in a refrigeration display cabinet, which comprises a ventilation assembly and an adjusting assembly, wherein the ventilation assembly comprises a display cabinet, a cabin cushion plate, a rear back plate, an inclined plate and a honeycomb plate body; the inside of the ventilation assembly is provided with an adjusting assembly; the adjusting component comprises an evaporator and a frost formation sensor. The evaporator, the stepless speed regulating fan and the controller are arranged in the display cabinet, the display cabinet starts to refrigerate, the evaporator starts to frost, the frost sensor detects the evaporator, the frost sensor transmits a signal to the controller, the controller judges the frost formation condition of the evaporator according to the obtained signal, and then the controller outputs a signal to the stepless speed regulating fan, so that the stepless speed regulating fan increases the corresponding rotating speed, the rotating speed of the stepless speed regulating fan in the display cabinet is adjusted according to the frost formation condition of the evaporator, the temperature of food in the display cabinet can be effectively reduced, and the temperature of the food in the display cabinet is more uniform.
Description
Technical Field
The utility model relates to the technical field of display cabinets, in particular to a fan control device in a refrigeration display cabinet.
Background
The food refrigerated display cabinet is used as a tail end device in a food cold chain, plays an important role in ensuring the quality and safety of food, and has various types and forms, wherein the open type food refrigerated display cabinet not only can provide proper refrigerated temperature for the food, but also can display the food, beautify the shopping environment and stimulate the consumption, and has become an essential device in a supermarket after years of development;
in order to ensure the freshness and quality of displayed goods, the temperature of a refrigeration display cabinet is lower than 0 ℃, so that frost is inevitably formed on a heat exchanger in the display cabinet, the wind resistance of a heat exchange fan in the display cabinet is increased, the air quantity of cold air in the display cabinet is reduced, the efficiency of the heat exchanger is reduced, and the temperature of food in the display cabinet is increased.
SUMMERY OF THE UTILITY MODEL
Accordingly, it is desirable to provide a blower control device in a refrigeration display case to solve or alleviate the problems of the prior art, and to provide at least one advantageous option.
The technical scheme of the embodiment of the utility model is realized as follows: a fan control device in a refrigeration display cabinet comprises a ventilation assembly and a regulating assembly, wherein the ventilation assembly comprises a display cabinet, a cabin cushion plate, a rear back plate, an inclined plate and a honeycomb plate body;
the inside of the ventilation assembly is provided with an adjusting assembly;
the regulating assembly comprises an evaporator, a frosting sensor, a box body, a controller and a stepless speed regulating fan;
the inner side bottom wall of the display cabinet is arranged on the lower surface of the evaporator, the rear surface of the evaporator is arranged on one side of the frost sensor, two stepless speed regulating fans are symmetrically arranged on the inner side bottom wall of the display cabinet, a groove is formed in the inner side bottom wall of the display cabinet, a box body is arranged on the inner side wall of the groove, and the inner side bottom wall of the box body is arranged on the lower surface of the controller.
Further preferably, the inner side wall of the display cabinet is welded to the outer side wall of the storage cushion plate, the rear surface of the storage cushion plate is welded to the front surface of the rear back plate, the outer side wall of the rear back plate is welded to the inner side wall of the display cabinet, and a gas circulation channel is formed by the storage cushion plate and the rear back plate, so that air circulation is facilitated.
Further preferably, the front surface of the showcase is welded to the rear surface of the inclined plate, and the honeycomb panel is attached to the lower surface of the inclined plate, and the inclined plate is provided to guide wind and change the direction of the wind.
Further preferably, a front guard plate is mounted on the upper surface of the storage box cushion plate, an L-shaped guard plate is mounted on the upper surface of the display cabinet, and the front guard plate and the L-shaped guard plate are arranged to form a movable air inlet channel and prevent impurities from entering the air inlet channel.
Further preferably, a return air grille plate body is mounted on the front surface of the front protection plate, the outer side wall of the return air grille plate body is mounted on the inner side wall of the display cabinet, and the return air grille plate body is used for filtering air and preventing impurities from entering the air circulation channel.
Preferably, two triangular air guide plate bodies are symmetrically welded to the bottom wall of the inner side of the display cabinet, and the triangular air guide plate bodies are used for reducing noise of air circulation.
Further preferably, the front surface of the rear back plate is provided with a display rack, and the display rack is convenient for people to place articles.
Preferably, four rubber anti-slip pads are symmetrically arranged on the lower surface of the display cabinet, and the arrangement of the rubber anti-slip pads can enhance the friction force between the display cabinet and the ground and stabilize the position of the display cabinet.
Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:
the evaporator, the stepless speed regulating fan and the controller are arranged in the display cabinet, the display cabinet starts to refrigerate, the evaporator starts to frost, the frost sensor detects the evaporator, the frost sensor transmits a signal to the controller, the controller judges the frost formation condition of the evaporator according to the obtained signal, and then the controller outputs a signal to the stepless speed regulating fan, so that the stepless speed regulating fan increases the corresponding rotating speed, the rotating speed of the stepless speed regulating fan in the display cabinet is adjusted according to the frost formation condition of the evaporator, the temperature of food in the display cabinet can be effectively reduced, and the temperature of the food in the display cabinet is more uniform.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an internal structural view of the present invention;
FIG. 2 is an enlarged structural view of the area A of FIG. 1 according to the present invention;
FIG. 3 is a cross-sectional structural view of the present invention;
fig. 4 is a main structure view of the appearance of the present invention.
Reference numerals: 1. a ventilation assembly; 101. a showcase; 102. a cabin cushion plate; 103. a back panel; 104. an inclined plate; 105. a honeycomb plate body; 2. an adjustment assembly; 201. an evaporator; 202. a frost formation sensor; 203. a box body; 204. a controller; 205. a stepless speed regulating fan; 3. a groove; 4. a display shelf; 5. an L-shaped guard plate; 6. a front guard plate; 7. an air return grille plate body; 8. a triangular air guide plate body; 9. a rubber non-slip mat.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the embodiment of the utility model provides a fan control device in a refrigeration showcase, which comprises a ventilation assembly 1 and a regulating assembly 2, wherein the ventilation assembly 1 comprises a showcase 101, a cushion chamber plate 102, a back plate 103, an inclined plate 104 and a honeycomb plate body 105;
the inside of the ventilation component 1 is provided with an adjusting component 2;
the adjusting assembly 2 comprises an evaporator 201, a frost formation sensor 202, a box body 203, a controller 204 and a stepless speed regulating fan 205;
the inner bottom wall of the showcase 101 is mounted on the lower surface of the evaporator 201, the rear surface of the evaporator 201 is mounted on one side of the frost sensor 202, two stepless speed-regulating fans 205 are symmetrically mounted on the inner bottom wall of the showcase 101, a groove 3 is formed in the inner bottom wall of the showcase 101, a box body 203 is mounted on the inner side wall of the groove 3, and the inner bottom wall of the box body 203 is mounted on the lower surface of the controller 204.
In one embodiment, the inner side wall of the display cabinet 101 is welded to the outer side wall of the storage mat plate 102, the rear surface of the storage mat plate 102 is welded to the front surface of the rear back plate 103, the outer side wall of the rear back plate 103 is welded to the inner side wall of the display cabinet 101, and a gas circulation channel is formed by the arrangement of the storage mat plate 102 and the rear back plate 103, so that air circulation is facilitated, and articles can be placed on the storage mat plate 102 conveniently.
In one embodiment, the front surface of the showcase 101 is welded to the rear surface of the inclined plate 104, and the honeycomb plate 105 is mounted on the lower surface of the inclined plate 104, and is used for guiding and changing the direction of the wind by the arrangement of the inclined plate 104, wherein the honeycomb plate 105 is arranged to facilitate the dispersion of the discharged wind, so that the air is blown more uniformly.
In one embodiment, a front guard plate 6 is mounted on the upper surface of the storage box plate 102, and an L-shaped guard plate 5 is mounted on the upper surface of the display cabinet 101, so that a moving air inlet channel is formed and impurities can be prevented from entering the air inlet channel through the arrangement of the front guard plate 6 and the L-shaped guard plate 5.
In one embodiment, the front surface of the front protective plate 6 is provided with a return air grille plate 7, the outer side wall of the return air grille plate 7 is arranged on the inner side wall of the display cabinet 101, and the return air grille plate 7 is used for filtering air and preventing impurities from entering the air circulation channel.
In one embodiment, two triangular air guide plate bodies 8 are symmetrically welded on the bottom wall of the inner side of the display cabinet 101, and the triangular air guide plate bodies 8 are arranged for reducing noise of air circulation and assisting in changing the flow direction of air.
In one embodiment, the display rack 4 is installed on the front surface of the back plate 103, and the display rack 4 is arranged to facilitate the placement of articles by people.
In one embodiment, four rubber skidproof pads 9 are symmetrically arranged on the lower surface of the showcase 101, and the arrangement of the rubber skidproof pads 9 can enhance the friction force between the showcase 101 and the ground and stabilize the position of the showcase 101.
In one embodiment, the signal output terminal of the frost sensor 202 is electrically connected to the signal input terminal of the controller 204 through a wire, and the signal output terminal of the controller 204 is electrically connected to the signal input terminal of the infinitely variable speed fan 205 through a wire.
In one embodiment, a switch group for controlling the evaporator 201, the frost sensor 202, the controller 204 and the stepless speed regulation fan 205 to be turned on and off is installed on one side of the display cabinet 101, and the switch group is connected with external commercial power to supply power to the evaporator 201, the frost sensor 202, the controller 204 and the stepless speed regulation fan 205.
The utility model is in operation: when the showcase 101 starts to refrigerate, the evaporator 201 starts to frost, the frost sensor 202 detects the evaporator 201, the frost sensor 202 transmits a signal to the controller 204, the controller 204 judges the frost condition of the evaporator 201 according to the signal, then the controller 204 outputs a signal to the stepless speed regulation fan 205, the stepless speed regulation fan 205 increases the corresponding rotating speed, so that the outside air enters the showcase 101 through a gap between the front protection plate 6 and the L-shaped protection plate 5, the air is filtered through the return air grille plate 7 to prevent impurities from entering a gas circulation channel, the arrangement of the backing plate 102 and the back plate 103 is used for forming a gas circulation channel, the gas is pumped to the evaporator 201 through the stepless speed regulation fan 205, the air drives the temperature on the evaporator 201 to be transported to the inclined plate 104, and the air is blocked by the inclined plate 104 to change the wind direction, then disperse and blow out through honeycomb plate 105, the frosting sensor 202 used here is of an electrical type, the shape is similar to a metal mesh, the metal mesh of the frosting sensor 202 is placed on the air outlet side of the evaporator 201, along with frosting on the evaporator 201, capacitance between the metal mesh of the frosting sensor 202 and the evaporator 201 changes, the frosting degree of the evaporator 201 is reflected through the change of capacitance between two lead wires of the metal mesh of the frosting sensor 202, and in order to guarantee accurate feedback of the capacitance, the distance between the evaporator 201 and the frosting sensor 202 must be accurately installed.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The utility model provides a fan controlling means in refrigeration show case cabinet, includes ventilation subassembly (1) and adjusting part (2), its characterized in that: the ventilation assembly (1) comprises a display cabinet (101), a cabin cushion plate (102), a back plate (103), an inclined plate (104) and a honeycomb plate body (105);
an adjusting component (2) is arranged in the ventilation component (1);
the adjusting assembly (2) comprises an evaporator (201), a frosting sensor (202), a box body (203), a controller (204) and a stepless speed regulating fan (205);
the inner side bottom wall of the display cabinet (101) is arranged on the lower surface of the evaporator (201), the rear surface of the evaporator (201) is arranged on one side of the frost sensor (202), two stepless speed regulation fans (205) are symmetrically arranged on the inner side bottom wall of the display cabinet (101), a groove (3) is formed in the inner side bottom wall of the display cabinet (101), a box body (203) is arranged on the inner side wall of the groove (3), and the inner side bottom wall of the box body (203) is arranged on the lower surface of the controller (204).
2. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: the inner side wall of the display cabinet (101) is welded to the outer side wall of the storage cushion plate (102), the rear surface of the storage cushion plate (102) is welded to the front surface of the rear back plate (103), and the outer side wall of the rear back plate (103) is welded to the inner side wall of the display cabinet (101).
3. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: the front surface of the showcase (101) is welded to the rear surface of the inclined plate (104), and a honeycomb plate body (105) is attached to the lower surface of the inclined plate (104).
4. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: the upper surface of the storage cushion plate (102) is provided with a front guard plate (6), and the upper surface of the display cabinet (101) is provided with an L-shaped guard plate (5).
5. The refrigeration showcase in-cabinet blower control apparatus of claim 4, wherein: the front surface of the front guard plate (6) is provided with a return air grille plate body (7), and the outer side wall of the return air grille plate body (7) is arranged on the inner side wall of the display cabinet (101).
6. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: two triangular air guide plate bodies (8) are symmetrically welded on the bottom wall of the inner side of the display cabinet (101).
7. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: the front surface of the rear back plate (103) is provided with a display rack (4).
8. The refrigeration showcase in-cabinet blower control apparatus of claim 1, wherein: the lower surface of the showcase (101) is symmetrically provided with four rubber anti-skid pads (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122866706.4U CN216342980U (en) | 2021-11-22 | 2021-11-22 | Fan control device in refrigeration display cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122866706.4U CN216342980U (en) | 2021-11-22 | 2021-11-22 | Fan control device in refrigeration display cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342980U true CN216342980U (en) | 2022-04-19 |
Family
ID=81152493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122866706.4U Active CN216342980U (en) | 2021-11-22 | 2021-11-22 | Fan control device in refrigeration display cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342980U (en) |
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2021
- 2021-11-22 CN CN202122866706.4U patent/CN216342980U/en active Active
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