CN2708801Y - Food cover - Google Patents
Food cover Download PDFInfo
- Publication number
- CN2708801Y CN2708801Y CN 200420071833 CN200420071833U CN2708801Y CN 2708801 Y CN2708801 Y CN 2708801Y CN 200420071833 CN200420071833 CN 200420071833 CN 200420071833 U CN200420071833 U CN 200420071833U CN 2708801 Y CN2708801 Y CN 2708801Y
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- China
- Prior art keywords
- heat
- cover
- food
- cover body
- food cover
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- Expired - Fee Related
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Abstract
The utility model provides a food cover, comprising an adiabatic insulated cover body which is in an inverse bowl shape, a refrigeration heat production element, a power, a temperature control device and a heat radiating element. Wherein, the cover body orderly comprises a plastic rubber outer cover layer, a heat insulation layer and a heat diffusion cold diffusion layer from outside to inside. The refrigeration heat production element is tightly stuck and arranged on the face of the inner wall of the heat diffusion cold diffusion layer. The refrigeration heat production element comprises at least one baking sheet and at least one refrigeration sheet. The temperature control device comprises a spring leaf thermoregulator used for controlling the operation of the baking sheet and a thermosensitive resistor thermoregulator used for controlling the operation of the refrigeration sheet. The food cover of the utility model can conveniently heat and preserve heat, or cool and keep fresh through the operation of the heating sheet or the refrigeration sheet. The food cover can conveniently control the temperature.
Description
[technical field]
The utility model is about a kind of kitchen tools articles for use, refers in particular to a kind of Food cover with the fresh-keeping and pyrogenicity heat insulation function of refrigeration.
[background technology]
The major function of existing table food cover all is that insect protected is dustproof, and under the situation of heat, the food in the cover is very easily rotten at weather, and the food in the cover very easily cools off under the colder situation of weather.
For this reason, release a kind ofly such as the open CN 87205589U number disclosed a kind of combination type heat insulating flyproof Food cover of Chinese patent, it is made of an insulation cover, insulation flyproof section, breathable plastic window screening, food-shelf and base.When needing insulation, it is used in combination heat insulation function is provided by insulation cover, insulation flyproof section.Though this Food cover can be realized heat insulation function in limited range,, its heat insulation function just adopts some insulation materials to make original heat few as far as possible lost, and long-time heat insulation effect is not very desirable; And do not have the refrigeration fresh-keeping function, when weather was warmmer, food still may go bad.
[utility model content]
For solving the problem of above-mentioned existence of the prior art, the utility model provides a kind of Food cover, the fresh-keeping and heat tracing of its energy refrigeration, and also temperature control is convenient.
For achieving the above object, the utility model provides a kind of Food cover, and it comprises cover body, cooling and heating type element, power supply, attemperating unit and a heat dissipation element that is the bowl-shape and adiabatic heat-insulation of back-off.Wherein, this cover body is by outside to inside comprising plastic cement enclosing cover layer, thermal insulation layer and the cold layer that conducts heat successively, and this cooling and heating type element is close on the internal face that is installed in the cold layer of this heat transfer biography, and it comprises at least one heating sheet and at least one cooling piece; This attemperating unit comprises the spring-piece type temperature controller of control heating sheet work and the thermistor temperature controller of control cooling piece work.
Because adopt technique scheme, the utility model Food cover has following beneficial effect: the utility model Food cover can come heat tracing or refrigerating fresh-keeping by heating plate or cooling piece work easily; And temperature control is convenient.
[description of drawings]
Fig. 1 is the schematic diagram of the utility model Food cover.
[specific embodiment]
As shown in Figure 1, the utility model Food cover comprises cover body 1, cooling and heating type element 2, attemperating unit 3, heat dissipation element 4 and the power supply 5 of adiabatic heat-insulation.
Wherein, it is bowl-shape that the cover body 1 of this adiabatic heat-insulation is back-off, and it passes cold layer 13 by outside to inside comprising plastic cement enclosing cover layer 11, thermal insulation layer 12 successively and conducting heat.This thermal insulation layer 12 is to be made by heat-resisting insulating sponge.It is to be made by aluminium alloy that this heat transfer passes cold layer 13.And the center of top at the cold layer 13 that conducts heat also offers a groove 131.On this cover body, also offer several steam vents that run through this cover body 1 14, and the inboard opening of steam vent 14 is in the groove 131.
This cooling and heating type element 2 comprises at least one heating sheet 21 and at least one cooling piece 22.Wherein this heating sheet 21 can select for use positive temperature coefficient (Positive Temperature Coefficient, PTC) the heating sheet made of material is as the PTC ceramic heating plate; This cooling piece is the electronic refrigerating elements that both positive and negative polarity absorbs heat respectively, dispels the heat.The heat transfer that this heating sheet is installed in this cover body 1 passes cold layer 13 middle part; And the heat transfer of the 22 installing cover bodies 1 that should freeze passes in the groove 131 at cold layer 13 top.
This attemperating unit 3 comprises the spring-piece type temperature controller 31 of keying of the heating plate 21 that is used for controlling exhausted cover body 1 inside respectively and the thermistor temperature controller 32 that control cooling piece 22 opens and closes, what in the present embodiment, this thermistor temperature controller 32 was selected for use is PTC thermistor temperature controller.Wherein, this spring-piece type temperature controller 31 passes cold layer 13 middle part with the heat transfer that heating sheet 21 is installed in cover body 1, and this thermistor temperature controller 32 is installed in this heat transfer with cooling piece 22 and passes in the groove 131 of cold layer 13.
The operation principle of this attemperating unit 3 is: when the initialization of heating, electric current heats to heating sheet 21 through this spring-piece type temperature controller 31, and when temperature reached certain certain value, this spring-piece type temperature controller 31 temperature distortion trippings and cutting off the power supply stopped to heat; When temperature dropped to certain value again, spring-piece type temperature controller 31 restored to the original state again and connects circuit, made heating plate 21 continue heating.And when the refrigeration initialization, electric current freezes to cooling piece 22 through this thermistor temperature controller 32, when temperature descends, the resistance of the thermistor in the thermistor temperature controller 32 also diminishes thereupon, when resistance value dropped to certain value (this definite value can be set by the resistance value of regulating the sliding resistance device in this thermistor temperature controller 32), promptly disconnecting circuit stopped refrigeration; And during temperature recovery, it is big that the resistance of the thermistor in the thermistor temperature controller 32 also becomes thereupon, makes to switch on again in the circuit and restart cooling piece 22 and freeze.
This heat dissipation element 4 is installed in the groove 131 of cover body 1 over against cover body 1 steam vent 14, and is positioned at the top of heat radiation one side of cooling piece 22, and it can be selected for use is radiator fan, is mainly used to when refrigeration the heat in the cover body 1 is dispersed into outside the cover body 1; And when heat tracing, this heat dissipation element 4 is out-of-work.
This power supply 5 can be by the external power supply of electric wire, and establishes a socket on cover body 1.
The utility model Food cover also can further comprise one, and this cover body 1 can cover on this heelpiece 6 for the heelpiece 6 of placing food, and the root edge of cover body 1 and heelpiece 6 match.
For easy to operate and attractive in appearance, this Food cover comprises further that also one is installed in the handle 7 of cover body 1 top exterior walls.
Claims (10)
1, a kind of Food cover, comprise the cover body, cooling and heating type element, the power supply that are the bowl-shape and adiabatic heat-insulation of back-off, it is characterized in that: this cover body passes cold layer by outside to inside comprising plastic cement enclosing cover layer, thermal insulation layer successively and conducting heat, this cooling and heating type element is close on the internal face that is installed in the cold layer of this heat transfer biography, and it comprises at least one heating sheet and at least one cooling piece; This Food cover also includes an attemperating unit and a heat dissipation element, and wherein, this attemperating unit comprises the spring-piece type temperature controller of control heating sheet work and the thermistor temperature controller of control cooling piece work.
2, Food cover as claimed in claim 1 is characterized in that: the crown center that this heat transfer passes cold layer is provided with a groove, is equiped with heat dissipation element, thermistor temperature controller and cooling piece in it.
3, Food cover as claimed in claim 2 is characterized in that: this cooling piece is the electronic refrigerating elements that both positive and negative polarity absorbs heat respectively, dispels the heat, and this cooling piece is installed in the below of heat dissipation element, and its side of dispelling the heat is over against heat dissipation element.
4, as claim 1,2 or 3 or described Food cover, it is characterized in that: also offer the steam vent that several run through this cover body on this cover body, the interior side opening of this steam vent is over against heat dissipation element.
5, Food cover as claimed in claim 1 is characterized in that: this heat dissipation element is a radiator fan.
6, Food cover as claimed in claim 1 is characterized in that: this heating sheet is the PTC ceramic heating plate, and its spring-piece type temperature controller with this heating sheet work of control together is installed in the middle part that this heat transfer passes cold layer.
7, Food cover as claimed in claim 1 is characterized in that: it further comprises one, and this cover body covers on this heelpiece for the heelpiece of placing food, and the root edge of cover body and heelpiece match.
8, Food cover as claimed in claim 1 is characterized in that: it comprises that further one is installed in the handle of cover body top exterior walls.
9, Food cover as claimed in claim 1 is characterized in that: this thermal insulation layer is that heat-resisting insulating sponge is made.
10, Food cover as claimed in claim 1 is characterized in that: it is that aluminium alloy is made that this heat transfer passes cold layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071833 CN2708801Y (en) | 2004-07-23 | 2004-07-23 | Food cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071833 CN2708801Y (en) | 2004-07-23 | 2004-07-23 | Food cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2708801Y true CN2708801Y (en) | 2005-07-13 |
Family
ID=34852623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420071833 Expired - Fee Related CN2708801Y (en) | 2004-07-23 | 2004-07-23 | Food cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2708801Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637629A (en) * | 2013-12-02 | 2014-03-19 | 范君 | Heat insulation bowl cover |
| CN109059338A (en) * | 2018-10-25 | 2018-12-21 | 湖南工业大学 | A kind of dining table food fresh-keeping device |
-
2004
- 2004-07-23 CN CN 200420071833 patent/CN2708801Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637629A (en) * | 2013-12-02 | 2014-03-19 | 范君 | Heat insulation bowl cover |
| CN109059338A (en) * | 2018-10-25 | 2018-12-21 | 湖南工业大学 | A kind of dining table food fresh-keeping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |