CN215838563U - Thermal insulation box - Google Patents
Thermal insulation box Download PDFInfo
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- CN215838563U CN215838563U CN202120544891.2U CN202120544891U CN215838563U CN 215838563 U CN215838563 U CN 215838563U CN 202120544891 U CN202120544891 U CN 202120544891U CN 215838563 U CN215838563 U CN 215838563U
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Abstract
The utility model discloses a heat preservation box, comprising: the heat preservation box body and the switching circuit who sets up in the heat preservation box body. The switching circuit includes: the device comprises a heat preservation module, a cooking module and a heating module. The heat preservation module is provided with a heat preservation port and a power supply port. The heat preservation port is connected with the heating module and used for outputting a first heat preservation signal to the heating module. The power supply port is used for connecting a power supply. The cooking module is provided with a first cooking port and a second cooking port. The first cooking port is connected with a power supply. The second cooking port is connected with the heating module and used for outputting cooking signals to the heating module. According to the utility model, the switching circuit is arranged in the heat preservation box body, and the heat preservation box achieves the effects of heat preservation and heating by utilizing the mutual matching of the existing heat preservation module, the boiling module and the heating module, so that the heat preservation box is simple in structure and low in cost, and meanwhile, the performance of the heat preservation box is improved, and the requirements of people are met.
Description
Technical Field
The utility model relates to the field of heat preservation boxes, in particular to a heat preservation box.
Background
At present, in the busy work process of people, a heat preservation box is often used, and due to the poor heat preservation effect of the heat preservation box, stored food is easy to cool, the taste of the food is affected, and therefore a heating and heat preservation device is needed to treat the food.
In order to meet the requirements of people, some manufacturers produce and research heat preservation boxes which have the functions of cooking and heating and heat preservation, but the heat preservation boxes are complex in structure and high in cost and cannot meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a heat preservation box, which is used for solving the problems that the heat preservation box with the steaming and heating function and the heat preservation function in the prior art is complex in structure and high in cost.
To achieve one or a part or all of the above or other objects, the present invention provides a thermal insulation box, including: the heat preservation box comprises a heat preservation box body and a switching circuit arranged on the heat preservation box body; the switching circuit includes: the device comprises a heat preservation module, a cooking module and a heating module;
the heat preservation module is provided with a heat preservation port and a power supply port; the heat preservation port is connected with the heating module and used for outputting a first heat preservation signal to the heating module; the power supply port is used for connecting a power supply;
the cooking module is provided with a first cooking port and a second cooking port; the first cooking port is connected with a power supply; the second cooking port is connected with the heating module and used for outputting cooking signals to the heating module.
In the heat preservation box, the heat preservation module comprises a first switch part, a first diode, a second diode and a first resistor;
the first switch part and the first diode are connected in series to form a first series unit; one end of the first series unit is connected with the heat preservation port, and the other end of the first series unit is connected with the power supply port;
the second diode and the first resistor are connected in series to form a second series unit; one end of the second series unit is connected with the heat preservation port, and the other end of the second series unit is connected with the power supply port.
In the heat preservation box of the utility model, the first switch element is a temperature controller.
In the heat preservation box, the heating module comprises a heating piece, a third diode and a second resistor; the heating module is provided with a first heating port and a second heating port;
the third diode is connected with the second resistor in series to form a third series circuit; one end of the third series circuit is connected with the first heating port, and the other end of the third series circuit is connected with the second heating port;
one end of the heating piece is connected with the first heating port, and the other end of the heating piece is connected with the second heating port.
In the heat preservation box, the first diode, the second diode and the third diode are all light emitting diodes.
In the heat preservation box, the first diode and the second diode are arranged in the same direction, and the first diode and the third diode are arranged in the opposite direction.
In the heat preservation box, the resistance value of the first resistor is 100K omega-140K omega, and the resistance value of the second resistor is 100K omega-140K omega.
In the heat preservation box of the utility model, the cooking module comprises a second switch piece, one end of the second switch piece is connected with the heat preservation port, and the other end of the second switch piece is connected with the power supply port;
the second switch piece is closed, the heat preservation module stops working, the cooking module generates the cooking signal and transmits the cooking signal to the heating module, and the heating module starts a cooking mode.
In the heat preservation box, a temperature control magnetic induction switch assembly is arranged on the switching circuit; one end of the temperature control magnetic induction switch assembly is connected with the power supply, and the other end of the temperature control magnetic induction switch assembly is connected with the heating module.
In the heat preservation box, the heating element is arranged in the middle of the bottom of the heat preservation box body, and the temperature controller is arranged at one end of the bottom of the heat preservation box body.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the switching circuit is arranged in the heat preservation box body, and the switching circuit utilizes the mutual matching of the existing heat preservation module, the boiling module and the heating module to enable the heat preservation box to achieve the effects of heat preservation and heating, so that the structure is simple, the cost is low, meanwhile, the performance of the heat preservation box is also improved, and the requirements of people are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a switching circuit in one embodiment.
Fig. 2 is a diagram of a switching circuit in one embodiment.
FIG. 3 is a schematic view of a thermal cassette in one embodiment.
Fig. 4 is a schematic view of the bottom of the thermal box body in fig. 3.
Wherein:
100. a heat preservation module; 11. a first switching member; 12. a first diode; 13. a first resistor; 14. a second diode;
200. a cooking module; 21. a second switching member;
300. a heating module; 31. a heat generating member; 32. a second resistor; 33. a third diode;
41. a temperature control magnetic induction switch assembly;
500. a heat preservation box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, an insulation case includes: the heat preservation box body 500 and the switching circuit who sets up on the heat preservation box body 500. The switching circuit includes: a keep warm module 100, a cooking module 200, and a heating module 300.
The thermal module 100 includes a thermal port and a power port. The heat preservation port is connected with the heating module 300 and is used for outputting a first heat preservation signal to the heating module 300. The power supply port is used for connecting a power supply.
The cooking module 200 is provided with a first cooking port and a second cooking port. The first cooking port is connected with a power supply. The second cooking port is connected to the heating module 300, and is used for outputting a cooking signal to the heating module 300.
In this embodiment, the switching circuit is arranged in the heat preservation box body 500, and the heat preservation box can achieve the effects of heat preservation and heating by utilizing the mutual matching of the existing heat preservation module 100, the steaming module 200 and the heating module 300, so that the heat preservation box has the advantages of simple structure and low cost, and meanwhile, the performance of the heat preservation box is also improved, and the requirements of people are met.
In one embodiment, the temperature maintenance module 100 includes a first switching element 11, a first diode 12, a second diode 14, and a first resistor 13. The first switching element 11 and the first diode 12 are arranged in series to form a first series unit. One end of the first series unit is connected with the heat preservation port, and the other end of the first series unit is connected with the power supply port.
The second diode 14 and the first resistor 13 are connected in series to form a second series unit. One end of the second series unit is connected with the heat preservation port, and the other end of the second series unit is connected with the power supply port.
In the present embodiment, the temperature keeping module 100 is controlled to input the first temperature keeping signal or the second temperature keeping signal to the heating module 300 by opening and closing the first switching member 11. When the first switch 11 is closed, the current of the thermal insulation module 100 flows through the first switch 11 and the first diode 12, so as to generate a first thermal insulation signal, and the heating module 300 receives the first thermal insulation signal, and the heating module 300 starts to start the heating thermal insulation mode. When the first switch 11 is turned off, the circuit of the thermal insulation module 100 is turned off, and a slight current flows through the first resistor 13 and the second diode 14, so that a second thermal insulation signal is sent, the heating module 300 stops working, and a physical thermal insulation mode is entered.
For ease of understanding, it will be understood that the first switch is closed and the heating module 300 begins heating; the first switch is turned off, the heating module 300 stops heating, and the heat preservation box performs physical heat preservation.
It should be noted that the first diode 12 and the second diode 14 are both light emitting diodes, and when the heat preservation box is in the heating and heat preservation mode, the first light emitting diode emits light; when the heat preservation box is in a physical heat preservation mode, the second light emitting diode emits light.
Further, the first switch 11 in this embodiment is a temperature controller, and more specifically, the temperature controller in this embodiment is a thermal-insulation kick type temperature controller.
In one embodiment, the cooking module 200 includes a second switch member 21, and one end of the second switch member 21 is connected to the warm port and the other end is connected to the power port.
In this embodiment, the second switch 21 is closed, the heat-insulating module 100 stops operating, the cooking module 200 generates a cooking signal and transmits the cooking signal to the heating module 300, and the heating module 300 starts the cooking mode.
In one embodiment, the heating module 300 includes a heat generating member 31, a third diode 33, and a second resistor 32. And the heating module 300 is provided with a first heating port and a second heating port. Specifically, the third diode 33 is a light emitting diode.
The third diode 33 is connected in series with the second resistor 32 to form a third series circuit. One end of the third series circuit is connected with the first heating port, and the other end of the third series circuit is connected with the second heating port.
One end of the heating element 31 is connected with the first heating port, and the other end is connected with the second heating port.
In this embodiment, when the heating module 300 is in the steaming mode, the third diode 33 is illuminated to remind the user that the thermal insulation box is in the current working mode.
Specifically, the first diode 12 and the second diode 14 are arranged in the same direction, and the first diode 12 and the third diode 33 are arranged in the opposite direction.
The resistance value of the first resistor 13 is 100K Ω to 140K Ω, and the resistance value of the second resistor 32 is 100K Ω to 140K Ω.
In one embodiment, to prevent overload, a temperature controlled magnetically sensitive switch assembly 41 is provided on the switching circuit. Specifically, in the present embodiment, one end of the temperature-controlled magnetic induction switch assembly 41 is connected to the power supply, and the other end is connected to the heating module 300. It should be noted that the temperature-controlled magnetically sensitive switch assembly 41 may be disposed at any position on the main circuit of the switching circuit.
Referring to fig. 3 and 4, in one embodiment, the heating element 31 is fixed at the middle of the bottom of the thermal insulation box body 500, the thermal insulation kick type temperature controller is fixed at one end of the bottom of the thermal insulation box body 500, and the first diode 12, the second diode 14, the third diode 33 and the second switch element 21 are integrated into a lamp panel and fixed on the thermal insulation box body 500.
The specific working principle of the heat preservation box in the embodiment is described in detail as follows:
when the temperature-keeping box is used, water is directly drained into the heat-keeping box body 500, the heating and heat-keeping state is achieved when a power supply is connected, the heating plate is normally heated, the heat-keeping snap-action temperature controller senses the temperature of the bottom surface of the heat-keeping box body 500, the disconnection and connection temperatures are set according to the temperature difference between the bottom surface of the heat-keeping box body 500 and water, the intermittent work of the heating plate is controlled according to the required time, and the whole heat-keeping box is always in the heat-keeping state; when cooking is needed, the change-over switch is pressed down, the heating plate enters a cooking mode, the heating plate works for a long time until rice is cooked, and the heat-preservation kick type temperature controller does not play a role.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.
Claims (10)
1. An insulating case, comprising: the heat preservation box comprises a heat preservation box body and a switching circuit arranged on the heat preservation box body; the switching circuit includes: the device comprises a heat preservation module, a cooking module and a heating module;
the heat preservation module is provided with a heat preservation port and a power supply port; the heat preservation port is connected with the heating module and used for outputting a first heat preservation signal to the heating module; the power supply port is used for connecting a power supply;
the cooking module is provided with a first cooking port and a second cooking port; the first cooking port is connected with a power supply; the second cooking port is connected with the heating module and used for outputting cooking signals to the heating module.
2. The heat-retaining case of claim 1, wherein the heat-retaining module includes a first switching element, a first diode, a second diode, and a first resistor;
the first switch part and the first diode are connected in series to form a first series unit; one end of the first series unit is connected with the heat preservation port, and the other end of the first series unit is connected with the power supply port;
the second diode and the first resistor are connected in series to form a second series unit; one end of the second series unit is connected with the heat preservation port, and the other end of the second series unit is connected with the power supply port.
3. The thermal container according to claim 2, wherein said first switch member is a thermostat.
4. The thermal cassette of claim 3, wherein the heating module comprises a heat generating member, a third diode, and a second resistor; the heating module is provided with a first heating port and a second heating port;
the third diode is connected with the second resistor in series to form a third series circuit; one end of the third series circuit is connected with the first heating port, and the other end of the third series circuit is connected with the second heating port;
one end of the heating piece is connected with the first heating port, and the other end of the heating piece is connected with the second heating port.
5. The thermal cassette of claim 4, wherein the first diode, the second diode, and the third diode are all light emitting diodes.
6. The thermal cassette of claim 4, wherein the first diode and the second diode are arranged in the same direction and the first diode and the third diode are arranged in the opposite direction.
7. The thermal insulating box according to claim 4, wherein the first resistor has a resistance value of 100K Ω to 140K Ω, and the second resistor has a resistance value of 100K Ω to 140K Ω.
8. The thermal container according to any one of claims 1 to 7, wherein said boiling module comprises a second switch member, one end of said second switch member being connected to said thermal port and the other end thereof being connected to said power port;
the second switch piece is closed, the heat preservation module stops working, the cooking module generates the cooking signal and transmits the cooking signal to the heating module, and the heating module starts a cooking mode.
9. The heat preservation box according to any one of claims 1 to 7, wherein a temperature control magnetic induction switch assembly is arranged on the switching circuit; one end of the temperature control magnetic induction switch assembly is connected with the power supply, and the other end of the temperature control magnetic induction switch assembly is connected with the heating module.
10. The thermal insulation box according to claim 4, wherein the heat generating member is disposed at a middle of a bottom of the thermal insulation box body, and the temperature controller is disposed at one end of the bottom of the thermal insulation box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120544891.2U CN215838563U (en) | 2021-03-16 | 2021-03-16 | Thermal insulation box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120544891.2U CN215838563U (en) | 2021-03-16 | 2021-03-16 | Thermal insulation box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215838563U true CN215838563U (en) | 2022-02-18 |
Family
ID=80317821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120544891.2U Active CN215838563U (en) | 2021-03-16 | 2021-03-16 | Thermal insulation box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215838563U (en) |
-
2021
- 2021-03-16 CN CN202120544891.2U patent/CN215838563U/en active Active
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