CN110558865A - Thermal insulation cabinet and circulating thermal insulation method thereof - Google Patents
Thermal insulation cabinet and circulating thermal insulation method thereof Download PDFInfo
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- CN110558865A CN110558865A CN201910731911.4A CN201910731911A CN110558865A CN 110558865 A CN110558865 A CN 110558865A CN 201910731911 A CN201910731911 A CN 201910731911A CN 110558865 A CN110558865 A CN 110558865A
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- heat preservation
- air
- cabinet
- air inlet
- fan
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
- A47J39/02—Dish-warmers; Devices to keep food hot
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices For Warming Or Keeping Food Or Tableware Hot (AREA)
Abstract
The invention relates to the field of heat preservation cabinets, in particular to a heat preservation cabinet and a circulating heat preservation method thereof. The circulating heat preservation method of the heat preservation cabinet comprises the following steps that firstly, an air inlet and an air outlet are formed in a partition plate of each heat preservation grid, a fan is communicated with the air inlet and the air outlet of each heat preservation grid in the heat preservation cabinet through a circulating air duct, secondly, a heating device connected with the fan is started, the air intake of hot air entering each heat preservation grid in the heat preservation cabinet is adjusted, and the air intake of the heat preservation grid which is farther away from the fan is larger. The air inlet volume of the heat preservation lattices far away from the fan is increased by adjusting the air inlet volume of each heat preservation lattice, the heat preservation lattices of the heat preservation cabinet are relatively balanced, the temperature of food in the heat preservation lattices far away from the fan is prevented from being lower than a set temperature, and the constant temperature performance of the heat preservation cabinet is improved.
Description
Technical Field
The invention relates to the field of heat preservation cabinets, in particular to a heat preservation cabinet and a circulating heat preservation method thereof.
Background
When eating in various school dining halls and enterprise dining halls, especially during the lunch peak period, people need spend a large amount of time by ordering through lining up, and people behind the team can not eat hot food, so school dining halls usually can set up food heat preservation cabinet, places partial vegetable in the heat preservation cabinet to in order to provide warm food for the student.
The Chinese utility model patent with the grant publication number of CN204654252U and the grant publication date of 2015.09.23 discloses a humidifying heat preservation cabinet, which comprises a heat preservation cabinet body, wherein the top of the heat preservation cabinet body is provided with a heating and humidifying device, the side surface of the heat preservation cabinet body is provided with an air duct and a vent, and the vent is communicated with a storage space (namely a heat preservation lattice) in the heat preservation cabinet body; the heating and humidifying device comprises a water storage box, a heating pipe and a fan, the top of the heat preservation cabinet body is an inverted U-shaped cavity, air guide pipe inlets and air outlets are formed in the positions, corresponding to the tops of the heat preservation grids, of the two sides of the U-shaped cavity, and the U-shaped cavity, the air guide pipe inlets, the air guide pipes, the air vents and the air outlets jointly form a circulation channel for hot air and vapor. When the humidifying heat-preservation cabinet is used, water in the water storage box is heated by the heating pipe to form steam, the hot air and the steam flow circularly in the humidifying cabinet along with the rotation of the fan, and food in the humidifying cabinet is kept warm and moisturized.
When the humidifying heat preservation cabinet is used, the food in the heat preservation grid can be preserved and moisturized. However, the fan is arranged at the top of the heat preservation cabinet, and the temperature of the hot air is gradually reduced when the hot air flows along with the circulating air duct, so that the temperature of food in the heat preservation grid at the position farther away from the fan is lower than the set temperature, and the heat preservation effect of the heat preservation cabinet is poor.
Disclosure of Invention
The invention aims to provide a heat preservation cabinet, which aims to solve the problem that the temperature of food in a heat preservation grid is lower than a set temperature because the temperature of hot air of the heat preservation cabinet in the prior art is gradually reduced when the hot air flows along with a circulating air duct; the invention also provides a circulating heat preservation method of the heat preservation cabinet.
the technical scheme of the circulating heat preservation method of the heat preservation cabinet is as follows:
A circulating heat preservation method of a heat preservation cabinet comprises the following steps that firstly, an air inlet and an air outlet are formed in a partition plate of each heat preservation grid, a fan is communicated with the air inlet and the air outlet of each heat preservation grid in the heat preservation cabinet through a circulating air duct, secondly, a heating device connected with the fan is started, the air intake of hot air entering each heat preservation grid in the heat preservation cabinet is adjusted, and the air intake of the heat preservation grid which is farther away from the fan is larger.
The beneficial effects of this technical scheme lie in, through the intake that adjusts the entering each heat preservation check, make the intake of the heat preservation check that is far away from the fan bigger, the relative equilibrium in every heat preservation check of heat preservation cabinet avoids the temperature of the food in the heat preservation check far away from the fan to be less than the settlement temperature, has improved the constant temperature performance of heat preservation cabinet.
And in the second step, the air intake volume entering each heat preservation grid is adjusted by adjusting the caliber of the air inlet. The method for adjusting the caliber of the air inlet is simpler and more convenient.
The air inlet comprises a plurality of scattered holes which are arranged at intervals, the total aperture of each scattered hole forms the aperture of the air inlet, and the total aperture of each scattered hole on each heat-preservation grid is adjusted by adjusting the number of the scattered holes, so that the air inlet amount entering each heat-preservation grid is adjusted. The mode of changing the number of the scattered holes is convenient for controlling the difference of the calibers of the air inlets.
The total aperture of each scattered hole corresponding to each air inlet is adjusted by adjusting the size of each scattered hole, so that the air inlet amount entering each heat-preservation grid is adjusted. The aperture and the number of the scattered holes are changed simultaneously, and a diversified mode is provided for adjusting the aperture of the air inlet.
The technical scheme of the heat preservation cabinet is as follows:
The heat preservation cabinet comprises a cabinet body, wherein a plurality of partition plates which are transversely and longitudinally arranged in a staggered manner are arranged in the cabinet body, the partition plates divide the cabinet body into a plurality of layers of heat preservation lattices which are sequentially arranged from top to bottom, a fan and a heating device communicated with the fan are arranged on the cabinet body, the heat preservation cabinet is characterized in that an air inlet and an air outlet are formed in each partition plate, the fan is communicated with the air inlet and the air outlet through an air channel, and the caliber of the air inlet is gradually increased along the direction of keeping away from the fan so as to adjust the air.
The technical scheme has the beneficial effects that the fan is connected with the air inlet and the air outlet, the air inlet volume entering each heat-preservation grid can be adjusted by adjusting the caliber of the air inlet, the air inlet volume of the heat-preservation grid far away from the fan is larger, the heat-preservation grids in the heat-preservation cabinet are relatively balanced, the temperature of food in the heat-preservation grid far away from the fan is prevented from being lower than a set temperature, and the constant temperature performance of the heat-preservation cabinet is improved.
The air inlet comprises a plurality of scattered holes which are arranged at intervals, the total aperture of each scattered hole forms the aperture of the air inlet, and the number of the scattered holes on the corresponding partition plate of each heat-preservation lattice is increased along the direction far away from the fan. The mode of changing the number of the scattered holes is convenient for controlling the difference of the calibers of the air inlets.
The aperture of each corresponding scattered hole of the air inlet is different. The aperture and the number of the scattered holes are changed simultaneously, and a diversified mode is provided for adjusting the aperture of the air inlet.
The partition plate is also provided with an air adjusting port communicated with the circulating air duct, the partition plate is also movably provided with an adjusting plate, and the adjusting plate is provided with an opening position for opening the air adjusting port and a closing position for closing the air adjusting port in the moving stroke of the adjusting plate. The user can open or close part or all of the air adjusting openings according to the requirements of the use environment and the working condition of the heat preservation cabinet, and manually adjusts the air quantity entering the heat preservation lattices, so that the application range of the heat preservation cabinet is enlarged.
Be provided with the spout on the baffle, the regulating plate sliding assembly is in the spout, still be equipped with the push rod that is used for promoting the regulating plate on the regulating plate. The adjusting plate is assembled on the adjusting plate in a sliding mode, and installation is convenient.
Two rows of heat preservation grids are arranged in parallel, and two groups of fans, heating devices and circulating air ducts which correspond to the two rows of heat preservation grids one by one are respectively arranged. Two rows of heat preservation lattices are respectively heated by the two groups of fans, the heating device and the circulating air duct, and the heat preservation effect is good.
Drawings
FIG. 1 is a schematic perspective view of an insulated cabinet according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the thermal insulation cabinet of FIG. 1 without a cabinet body;
Fig. 3 is an enlarged schematic view of the heat-retaining grid of the thermal chest of fig. 1.
The air conditioner comprises a cabinet body 1, a partition plate 2, a heat preservation grid 3, a fan 4, a circulating air duct 41, a heating device 5, an air inlet 6, a dispersing hole 61, an air outlet 7, an air adjusting port 8, an adjusting plate 9, a push rod 91 and a sliding chute 10.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In embodiment 1 of the thermal insulation cabinet of the present invention, as shown in fig. 1 to 3, the thermal insulation cabinet includes a cabinet body 1, a plurality of partition boards 2 are arranged in the cabinet body 1 in a staggered manner, the partition boards 2 divide the cabinet body 1 into a plurality of layers of thermal insulation lattices 3 arranged in sequence from top to bottom, and each layer of thermal insulation lattices 3 is divided into two rows.
A fan 4 and a heating device 5 communicated with the fan 4 are arranged at the top of the cabinet body 1, the heating device 5 is used for heating gas in the cabinet body 1 to generate hot air, and the fan 4 is used for sending the hot air into each heat preservation lattice 3. An air inlet 6 and an air outlet 7 are arranged on the partition board 2, and the fan 4 is communicated with the air inlet 6 and the air outlet 7 through a circulating air duct 41. The fans 4, the heating devices 5 and the circulating air ducts 41 are respectively provided with two groups, two rows of heat preservation grids 3 are arranged in the vertical direction, and one group of fans 4, the heating devices 5 and the circulating air ducts 41 are correspondingly arranged on each row of heat preservation grids 3. The air inlet 6 and the air outlet 7 are arranged on different wall surfaces of the heat-insulating grid 3 so as to facilitate the arrangement of the circulating air duct 41.
The air inlet 6 on each heat preservation grid 3 comprises a plurality of scattered holes 61 which are arranged independently, the scattered holes 61 are uniformly arranged on the partition board 2 in a matrix form, and the total aperture of the scattered holes 61 on each heat preservation grid 3 forms the aperture of the air inlet 6 on the heat preservation grid 3. The sizes of the scattered holes 61 arranged in a matrix are different, the sizes of the scattered holes 61 are gradually increased from top to bottom, and when necessary, the different scattered holes 61 can be closed to adjust the calibers of the air inlets 6 of the heat preservation lattices 3. The number of the scattered holes 61 of the heat preservation grids 3 with different heights is different, the number of the scattered holes 61 is gradually increased from top to bottom, and the caliber of the air inlet 6 far away from the fan 4 can be increased by increasing the number of the scattered holes 61, so that the air inlet volume of the heat preservation grids 3 far away from the fan 4 is increased.
Still set up the accent wind gap 8 with circulation wind channel 41 intercommunication on the baffle 2, it arranges on the baffle 2 adjacent with air intake 6 to transfer wind gap 8, be provided with transverse arrangement's spout 10 in accent wind gap 8 department on the baffle 2, spout 10 is formed by two relative boards of bending of opening, it is equipped with regulating plate 9 to slide in the spout 10, still be equipped with the push rod 91 of perpendicular to regulating plate 9 face on the regulating plate 9, push rod 91 is used for promoting regulating plate 9 and removes in spout 10. The adjusting plate 9 can open or close the air adjusting opening 8 in the sliding stroke, when the air adjusting opening 8 is opened, the adjusting plate 9 is located at the opening position, and when the air adjusting opening 8 is closed, the adjusting plate 9 is located at the closing position. The air adjusting opening 8 is communicated with the circulating air duct 41 and can be used for supplying air into the heat preservation grids 3, a user can open or close part or all of the air adjusting openings 8 according to the requirements of the use environment and the working conditions of the heat preservation cabinet, the air quantity entering the heat preservation grids 3 is manually adjusted, and the application range of the heat preservation cabinet is enlarged.
In other embodiments of the heat preservation cabinet, the air outlet can also be a through hole, and the aperture of the through hole of each heat preservation lattice is sequentially increased from top to bottom; the number of the scattered holes can also be the same, and the aperture of the scattered holes of each heat preservation lattice is gradually increased from top to bottom; the aperture of the scattered holes can also be the same, and the number of the scattered holes of each heat preservation lattice is gradually increased from top to bottom; the adjusting plate can also be rotatably assembled on the partition plate through a rotating shaft.
The embodiment of the circulating heat preservation method of the heat preservation cabinet, namely the working principle of the heat preservation cabinet, comprises the following steps that firstly, an air inlet 6, an air outlet 7 and an air adjusting port 8 are arranged on a partition plate 2 of each heat preservation grid 3, the air inlet 6 is a plurality of scattered holes 61 which are arranged at intervals, and a fan 4 is communicated with the air inlet 6, the air outlet 7 and the air adjusting port 8 on each heat preservation grid 3 in the heat preservation cabinet through a circulating air duct 41; determining the number and the aperture of the scattered holes 61 of the air inlet 6 according to the set temperature of the heat preservation cabinet, wherein the number of the scattered holes 61 of each heat preservation grid 3 is gradually increased from top to bottom, and the aperture of the scattered holes 61 of each heat preservation grid 3 is gradually increased from top to bottom, so that the air intake of hot air entering each heat preservation grid 3 in the heat preservation cabinet is adjusted, and the air intake of the heat preservation grid 3 which is farther away from the fan 4 is larger; and step three, changing the caliber of the air adjusting opening 8 through the adjusting plate 9 so as to adjust the state of the air adjusting opening 8, opening or closing part or all of the air adjusting opening 8 according to the requirements of the use environment and the working condition of the heat preservation cabinet, and manually adjusting the air quantity entering the heat preservation lattices 3. The temperature of the hot air in the circulating air duct 41 is controlled by controlling the heating temperature of the heating device 5, so that each heat preservation grid 3 can reach the set heat preservation degree after the hot air circulates for a period of time, the temperature of food in the heat preservation grid 3 far away from the fan 4 is prevented from being lower than the set temperature, and the constant temperature performance of the heat preservation cabinet is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A circulating heat preservation method of a heat preservation cabinet is characterized by comprising the following steps of firstly, arranging an air inlet and an air outlet on a partition plate of each heat preservation grid, communicating a fan with the air inlet and the air outlet on each heat preservation grid in the heat preservation cabinet through a circulating air duct, secondly, starting a heating device connected with the fan, adjusting the air intake of hot air entering each heat preservation grid in the heat preservation cabinet, and enabling the air intake of the heat preservation grid far away from the fan to be larger.
2. The circulating heat preservation method of the heat preservation cabinet according to claim 1, characterized in that in the second step, the air intake rate entering each heat preservation grid is adjusted by adjusting the caliber of the air inlet.
3. The method of claim 2, wherein the air inlet comprises a plurality of spaced apart holes, the total aperture of each hole forming the aperture of the air inlet, and the total aperture of each hole is adjusted by adjusting the number of holes to adjust the total aperture of each hole in each cell, thereby adjusting the amount of air entering each cell.
4. The method for circulating heat preservation of a heat preservation cabinet according to claim 3, characterized in that the total aperture of each air inlet is adjusted by adjusting the size of each air inlet, so as to adjust the air inlet amount entering each heat preservation grid.
5. The heat preservation cabinet is characterized in that the heat preservation cabinet comprises a cabinet body, a plurality of partition plates which are transversely and longitudinally arranged in a staggered manner are arranged in the cabinet body, the partition plates divide the cabinet body into a plurality of layers of heat preservation lattices which are sequentially arranged from top to bottom, a fan and a heating device communicated with the fan are arranged on the cabinet body, the heat preservation cabinet is characterized in that an air inlet and an air outlet are formed in each partition plate, the fan is communicated with the air inlet and the air outlet through an air channel, and the caliber of the air inlet is gradually increased along the direction of keeping away from the fan so as to.
6. A heat-insulating cabinet as claimed in claim 5, wherein the air inlet includes a plurality of spaced apart holes, the total aperture of each hole defining the aperture of the air inlet, the number of holes in the respective partition of each heat-insulating grid increasing in a direction away from the fan.
7. A heat-insulating cabinet as claimed in claim 6, wherein the apertures of the respective discrete holes of the air inlet are different.
8. The thermal insulation cabinet according to any one of claims 5 to 7, wherein the partition plate is further provided with an air adjusting opening communicated with the circulating air duct, the partition plate is further movably provided with an adjusting plate, and the adjusting plate is provided with an opening position for opening the air adjusting opening and a closing position for closing the air adjusting opening in the moving stroke.
9. A heat-preservation cabinet as claimed in claim 8, wherein the partition board is provided with a sliding groove, the adjusting plate is slidably assembled in the sliding groove, and the adjusting plate is further provided with a push rod for pushing the adjusting plate.
10. a heat-preserving cabinet as claimed in any one of claims 5 to 7, wherein the heat-preserving grids are arranged in two rows in parallel, and the fans, the heating means and the circulating air ducts are arranged in two groups corresponding to the two rows of heat-preserving grids one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731911.4A CN110558865A (en) | 2019-08-08 | 2019-08-08 | Thermal insulation cabinet and circulating thermal insulation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731911.4A CN110558865A (en) | 2019-08-08 | 2019-08-08 | Thermal insulation cabinet and circulating thermal insulation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110558865A true CN110558865A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731911.4A Pending CN110558865A (en) | 2019-08-08 | 2019-08-08 | Thermal insulation cabinet and circulating thermal insulation method thereof |
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| Country | Link |
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| CN (1) | CN110558865A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236414A (en) * | 2019-06-24 | 2019-09-17 | 深圳百年厨具有限公司 | A kind of high body thermal insulation cabinet of push-in type |
| CN111317307A (en) * | 2020-02-20 | 2020-06-23 | 广东智源机器人科技有限公司 | Meal-serving thermal insulation cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0937965A (en) * | 1995-07-27 | 1997-02-10 | Hoshizaki Electric Co Ltd | Heat reserving cabinet |
| JP2004041326A (en) * | 2002-07-09 | 2004-02-12 | Hoshizaki Electric Co Ltd | Food warming cabinet |
| CN203749247U (en) * | 2014-02-26 | 2014-08-06 | 宁波市鄞州亿锦厨房工程有限公司 | Multilayer and multipurpose food thermal container |
| CN204066180U (en) * | 2014-08-29 | 2014-12-31 | 冉浩 | The rear portion ducting system of internet fast food dispensing cabinet |
| CN204091398U (en) * | 2014-06-21 | 2015-01-14 | 冉浩 | Multifunctional food dispensing cabinet |
| CN204654252U (en) * | 2015-05-04 | 2015-09-23 | 宁波罗特电器有限公司 | Humidification thermal insulation cabinet |
| CN205156576U (en) * | 2015-10-19 | 2016-04-13 | 深圳市沃特玛电池有限公司 | Oven |
| CN211186932U (en) * | 2019-08-08 | 2020-08-07 | 广州大学华软软件学院 | Heat preservation cabinet |
-
2019
- 2019-08-08 CN CN201910731911.4A patent/CN110558865A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0937965A (en) * | 1995-07-27 | 1997-02-10 | Hoshizaki Electric Co Ltd | Heat reserving cabinet |
| JP2004041326A (en) * | 2002-07-09 | 2004-02-12 | Hoshizaki Electric Co Ltd | Food warming cabinet |
| CN203749247U (en) * | 2014-02-26 | 2014-08-06 | 宁波市鄞州亿锦厨房工程有限公司 | Multilayer and multipurpose food thermal container |
| CN204091398U (en) * | 2014-06-21 | 2015-01-14 | 冉浩 | Multifunctional food dispensing cabinet |
| CN204066180U (en) * | 2014-08-29 | 2014-12-31 | 冉浩 | The rear portion ducting system of internet fast food dispensing cabinet |
| CN204654252U (en) * | 2015-05-04 | 2015-09-23 | 宁波罗特电器有限公司 | Humidification thermal insulation cabinet |
| CN205156576U (en) * | 2015-10-19 | 2016-04-13 | 深圳市沃特玛电池有限公司 | Oven |
| CN211186932U (en) * | 2019-08-08 | 2020-08-07 | 广州大学华软软件学院 | Heat preservation cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110236414A (en) * | 2019-06-24 | 2019-09-17 | 深圳百年厨具有限公司 | A kind of high body thermal insulation cabinet of push-in type |
| CN110236414B (en) * | 2019-06-24 | 2020-08-14 | 深圳百年厨具有限公司 | Push-in type high-body thermal insulation cabinet |
| CN111317307A (en) * | 2020-02-20 | 2020-06-23 | 广东智源机器人科技有限公司 | Meal-serving thermal insulation cabinet |
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