CN210832742U - Cold and hot cabinet based on semiconductor heating refrigeration - Google Patents
Cold and hot cabinet based on semiconductor heating refrigeration Download PDFInfo
- Publication number
- CN210832742U CN210832742U CN201921782351.7U CN201921782351U CN210832742U CN 210832742 U CN210832742 U CN 210832742U CN 201921782351 U CN201921782351 U CN 201921782351U CN 210832742 U CN210832742 U CN 210832742U
- Authority
- CN
- China
- Prior art keywords
- cold
- heating
- control circuit
- hot
- semiconductor heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a cold and hot cabinet based on semiconductor heating refrigeration, the intelligent cabinet temperature adjusting device comprises a cabinet body. The cabinet body is provided with a timer, a control circuit and a cold and hot box for placing food. The back of the cold and hot box is provided with a semiconductor heating and refrigerating device. The control circuit is connected with the timer and the semiconductor heating and cooling device and used for controlling the semiconductor cooling device to be switched from the cooling mode to the heating mode according to the time set by the timer. The utility model discloses an office's staff realizes refrigeration save and self-heating function from taking food.
Description
Technical Field
The utility model relates to a semiconductor heating and refrigeration.
Background
From the perspective of nutrition and health, office workers are mostly convenient. However, food with a lunch needs to be stored at low temperature, or otherwise easily deteriorates particularly in summer, and for this reason, a refrigerator needs to be prepared in an office to place the lunch; when the meal is cooked, the cooked meal is taken out of the refrigerator and then heated by the microwave oven. Since microwave ovens heat for a long time, they need to be placed in line for heating, and particularly when office personnel are present in large numbers, the time in line may take from half an hour to 1 hour.
Disclosure of Invention
The utility model discloses the problem that will solve: the prior art takes a long time to store the food in a refrigerator and then heat the food in a microwave oven, and needs to wait in a queue.
In order to solve the above problem, the utility model discloses a scheme as follows:
a cold and hot cabinet based on semiconductor heating and refrigeration comprises a cabinet body; the cabinet body is provided with a timer, a control circuit and a cold and hot box for placing food; a semiconductor heating and refrigerating device is arranged at the back of the cold and hot box; the control circuit is connected with the timer and the semiconductor heating and cooling device and is used for controlling the semiconductor cooling device to be switched from a cooling mode to a heating mode according to the time set by the timer.
Further, a temperature sensor is arranged in the cold and hot box; the temperature sensor is connected with the control circuit; the control circuit detects the temperature in the cold and hot box through the temperature sensor and controls the semiconductor heating and refrigerating device through the temperature in the cold and hot box.
Further, a display is arranged on the cabinet body; the display is connected with the control circuit; the control circuit displays the temperature in the cold and hot box through the display.
A cold and hot cabinet based on semiconductor heating and refrigeration comprises a cabinet body; the cabinet body is provided with a control circuit and a cold and hot box for placing food; a semiconductor heating and refrigerating device is arranged at the back of the cold and hot box; the semiconductor heating and refrigerating device is connected with the control circuit; the control circuit is used for comparing whether the current time is within the preset heating time or not, and controlling the semiconductor refrigerating device to be switched from the refrigerating mode to the heating mode if the current time is within the preset heating time.
Further, a temperature sensor is arranged in the cold and hot box; the temperature sensor is connected with the control circuit; the control circuit detects the temperature in the cold and hot box through the temperature sensor and controls the semiconductor heating and refrigerating device through the temperature in the cold and hot box.
Furthermore, a plurality of cold and hot boxes are provided; each cold and hot box is respectively corresponding to a semiconductor heating and refrigerating device and a temperature sensor; the control circuit controls each cold and hot box respectively.
Further, a display is arranged on the cabinet body; the display is connected with the control circuit; the display is a touch screen; the control circuit displays the temperature in each cold and hot box through the display and receives preset heating time through touch control of the display.
The technical effects of the utility model are as follows: the utility model discloses a timing control to semiconductor heating refrigerating plant, for office's staff from taking food realization refrigeration save and when eating self-heating function.
Drawings
Fig. 1 is a schematic front structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a sectional structure of the back of the cooling and heating box according to the embodiment of the present invention.
Fig. 3 is a schematic diagram of a circuit connection structure according to embodiment 1 of the present invention.
Fig. 4 is a schematic front structural view of embodiment 2 of the present invention.
Fig. 5 is a schematic diagram of a circuit connection structure according to embodiment 2 of the present invention.
The refrigerator comprises a cabinet body 1, a cold and hot box 11, a semiconductor heating and refrigerating plate 12, a radiator 13, a temperature sensor 19, a switch button 21, a timer 22, a display 23 and a controller 25.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a cold and hot cabinet based on semiconductor heating and cooling comprises a cabinet body 1. The cabinet 1 includes a cabinet portion and a control portion. The cabinet portion is provided with a cold-hot box 11. The front of the control part is provided with a switch key 21, a timer 22 and a display 23. The control part is internally provided with a control circuit. The front surface of the cold and hot box 11 is a box door, and as shown in fig. 2, the back surface is a semiconductor heating and refrigerating plate 12. The door of the front of the cold and hot box 11 is made of heat insulation material. The outer side of the semiconductor heating and refrigerating plate 12 is provided with a radiator 13. The semiconductor heating and refrigerating plate 12 and the radiator 13 form a semiconductor heating and refrigerating device. The cold and hot box 11 is a square box body, the front surface and the back surface of the box body are made of heat preservation materials, and a temperature sensor 19 is arranged below the top plate.
The control circuit, as shown in fig. 3, is composed of a controller 25 and a power supply circuit. The power circuit is connected with the switch key 21 and controls the switch of the control circuit by switching the switch of the switch key 21. The timer 22, the semiconductor heating and refrigerating plate 12, the temperature sensor 19 and the display 23 are connected with the controller 25. The controller 25 is composed of a microprocessor and a memory. When the switch key 21 is powered on, the controller 25 controls the semiconductor heating and cooling plate 12 to operate in a cooling mode. When the semiconductor heating and refrigerating plate 12 is used for refrigerating, the controller 25 detects the temperature in the cold and hot box 11 through the temperature sensor 19 and displays the temperature through the display 23, and if the temperature is too low, the semiconductor heating and refrigerating plate 12 is controlled to stop refrigerating, so that the temperature in the cold and hot box 11 can be kept in a range of 1-8 degrees finally. In this embodiment, the timer 22 is a mechanical countdown device, and when a user rotates a rotary button on the timer 22, the countdown time is generally 2.5 to 4 hours, and after the countdown is completed, the controller 25 is notified by an interrupt signal, and after the controller 25 receives the interrupt signal, the semiconductor heating and cooling plate 12 is controlled to switch from the cooling operation mode to the heating operation mode, so that the semiconductor heating and cooling plate 12 is heated. When the semiconductor heating and cooling plate 12 is used for heating, the controller 25 detects the temperature in the cold and hot box 11 through the temperature sensor 19 and displays the temperature through the display 23, and if the temperature is too high, the semiconductor heating and cooling plate 12 is controlled to stop heating, so that the temperature in the cold and hot box 11 can be kept in the range of 60-80 degrees finally.
Example 2
As shown in fig. 4, a cold and hot cabinet based on semiconductor heating and cooling comprises a cabinet body 1. The cabinet 1 includes a cabinet portion and a control portion. The box body part is provided with a plurality of cold and hot boxes 11. The front of the control section is provided with a display 23. The control part is internally provided with a control circuit. The front surface of the cold and hot box 11 is a box door, and as shown in fig. 2, the back surface is a semiconductor heating and refrigerating plate 12. The door of the front of the cold and hot box 11 is made of heat insulation material. The outer side of the semiconductor heating and refrigerating plate 12 is provided with a radiator 13. The semiconductor heating and refrigerating plate 12 and the radiator 13 form a semiconductor heating and refrigerating device. The cold and hot box 11 is a square box body, the front surface and the back surface of the box body are made of heat preservation materials, and a temperature sensor 19 is arranged below the top plate. The cold and hot boxes 11 are separated by heat insulation materials. Each cold and hot box 11 is provided with a temperature sensor 19 and a semiconductor heating and refrigerating device.
The control circuit, as shown in fig. 5, is composed of a controller 25 and a power supply circuit. The semiconductor heating and refrigerating plate 12, the temperature sensor 19 and the display 23 are connected with a controller 25. The controller 25 is composed of a microprocessor and a memory. Normally, the controller 25 controls the semiconductor heating and cooling plate 12 to operate in a cooling mode. When the semiconductor heating and refrigerating plate 12 is used for refrigerating, the controller 25 detects the temperature in the cold and hot box 11 through the temperature sensor 19 and displays the temperature through the display 23, and if the temperature is too low, the semiconductor heating and refrigerating plate 12 is controlled to stop refrigerating, so that the temperature in the cold and hot box 11 can be kept in a range of 1-8 degrees finally.
The display 23 of the present embodiment is a touch display screen. The controller 25 may enable interaction with a user through touch control of the display 23. The user thus sets the heating time for each cold and hot box 11 through the display 23. After the heating time is set, the controller 25 compares whether the current time is within the preset heating time of each cold and hot box 11, and controls the corresponding semiconductor refrigeration device to switch from the cooling mode to the heating mode if the current time is within the preset heating time of the corresponding cold and hot box 11. When the semiconductor heating and cooling plate 12 is used for heating, the controller 25 detects the temperature in the cold and hot box 11 through the temperature sensor 19 and displays the temperature through the display 23, and if the temperature is too high, the semiconductor heating and cooling plate 12 is controlled to stop heating, so that the temperature in the cold and hot box 11 can be kept in the range of 60-80 degrees finally.
In addition, the user can also set the cold and hot box 11 in a normal temperature state through the display 23, and when the cold and hot box 11 is in the normal temperature state, the controller 25 controls the corresponding semiconductor heating and cooling plate 12 not to work, that is, the semiconductor heating and cooling plate 12 neither heats nor cools.
Claims (7)
1. A cold and hot cabinet based on semiconductor heating and refrigeration is characterized by comprising a cabinet body; the cabinet body is provided with a timer, a control circuit and a cold and hot box for placing food; a semiconductor heating and refrigerating device is arranged at the back of the cold and hot box; the control circuit is connected with the timer and the semiconductor heating and cooling device and is used for controlling the semiconductor cooling device to be switched from a cooling mode to a heating mode according to the time set by the timer.
2. The semiconductor heating and cooling based cold and hot cabinet as claimed in claim 1, wherein a temperature sensor is arranged in the cold and hot box; the temperature sensor is connected with the control circuit; the control circuit detects the temperature in the cold and hot box through the temperature sensor and controls the semiconductor heating and refrigerating device through the temperature in the cold and hot box.
3. The cold and hot cabinet based on semiconductor heating and cooling as claimed in claim 2, wherein a display is further arranged on the cabinet body; the display is connected with the control circuit; the control circuit displays the temperature in the cold and hot box through the display.
4. A cold and hot cabinet based on semiconductor heating and refrigeration is characterized by comprising a cabinet body; the cabinet body is provided with a control circuit and a cold and hot box for placing food; a semiconductor heating and refrigerating device is arranged at the back of the cold and hot box; the semiconductor heating and refrigerating device is connected with the control circuit; the control circuit is used for comparing whether the current time is within the preset heating time or not, and controlling the semiconductor refrigerating device to be switched from the refrigerating mode to the heating mode if the current time is within the preset heating time.
5. The cooling and heating cabinet based on semiconductor heating and cooling as claimed in claim 4, wherein a temperature sensor is arranged in the cooling and heating box; the temperature sensor is connected with the control circuit; the control circuit detects the temperature in the cold and hot box through the temperature sensor and controls the semiconductor heating and refrigerating device through the temperature in the cold and hot box.
6. The semiconductor heating and cooling based cold and hot cabinet as claimed in claim 4, wherein there are several cold and hot boxes; each cold and hot box is respectively corresponding to a semiconductor heating and refrigerating device and a temperature sensor; the control circuit controls each cold and hot box respectively.
7. The cold and hot cabinet based on semiconductor heating and cooling as claimed in claim 6, wherein a display is further arranged on the cabinet body; the display is connected with the control circuit; the display is a touch screen; the control circuit displays the temperature in each cold and hot box through the display and receives preset heating time through touch control of the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782351.7U CN210832742U (en) | 2019-10-23 | 2019-10-23 | Cold and hot cabinet based on semiconductor heating refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782351.7U CN210832742U (en) | 2019-10-23 | 2019-10-23 | Cold and hot cabinet based on semiconductor heating refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210832742U true CN210832742U (en) | 2020-06-23 |
Family
ID=71252428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921782351.7U Active CN210832742U (en) | 2019-10-23 | 2019-10-23 | Cold and hot cabinet based on semiconductor heating refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210832742U (en) |
-
2019
- 2019-10-23 CN CN201921782351.7U patent/CN210832742U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4884626A (en) | Combination refrigerator oven | |
| CN102525250B (en) | Electric cooker | |
| CN106963238B (en) | A kind of novel intelligent rice cooker | |
| CN112178700A (en) | Intelligent cooking bench and heat preservation method thereof | |
| CN204345742U (en) | Micro-wave oven | |
| CN210832742U (en) | Cold and hot cabinet based on semiconductor heating refrigeration | |
| CN201774684U (en) | Mechanical anti-overflow electric food warmer and heating power control circuit thereof | |
| EP2577172B1 (en) | Heat storage cooker | |
| CN210666963U (en) | Automatic vending machine with refrigeration and local heating function | |
| CN206044344U (en) | A kind of soup pot of liftable inner bag | |
| CN201200319Y (en) | Intelligent temperature controlled electric heating kettle | |
| EP2963994B1 (en) | Improvements relating to electric ovens | |
| CN107152832A (en) | Refrigerator | |
| CN208973337U (en) | A kind of electric chafing dish that temperature fluctuation is small | |
| CN207912555U (en) | A kind of novel intelligent rice cooker | |
| KR200215693Y1 (en) | Temperature maintenance apparatus of prepared food using thermoelectric element | |
| CN207721656U (en) | A kind of electric cooker convenient for cooling | |
| CN2497253Y (en) | Automatic temperature-compensating apparatusfor refrigerator | |
| CN212181330U (en) | Milk device with temp. adjustable | |
| CN213657256U (en) | Cold and hot dual-purpose operation panel | |
| CN2904850Y (en) | Temperature controlled bowl hood | |
| JP2004079216A (en) | Induction heating cooker | |
| CN216769937U (en) | Cold and hot bimodulus controlling means | |
| CN208755665U (en) | A kind of Multifunctional slow cooker | |
| CN208384436U (en) | A kind of PWM wave adjusts the two-way insulating box of flexible material of control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |