CN209984051U - Constant temperature is precious - Google Patents
Constant temperature is precious Download PDFInfo
- Publication number
- CN209984051U CN209984051U CN201821979354.5U CN201821979354U CN209984051U CN 209984051 U CN209984051 U CN 209984051U CN 201821979354 U CN201821979354 U CN 201821979354U CN 209984051 U CN209984051 U CN 209984051U
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- metal plate
- heating element
- upper cover
- circuit control
- thermostat
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Abstract
The utility model discloses a constant temperature device, which comprises a base, an upper cover matched with the base, a metal plate, a PTC heating element and a circuit control panel; the circuit control board is electrically connected with the PTC heating body; the upper cover is provided with an opening, the edge of the metal plate is provided with a surrounding edge, the upper cover is provided with a mounting groove matched with the surrounding edge, the surrounding edge is embedded into the mounting groove, and the metal plate seals the opening; the PTC heating element is attached to the bottom of the metal plate through the opening. Adopt the utility model discloses, simple structure is firm, the equipment is swift, the leakproofness is good, and rate of heating is fast and the heating is even.
Description
Technical Field
The utility model relates to a heating heat preservation technical field especially relates to a constant temperature is precious.
Background
The connection of the upper cover of the existing constant temperature device and the metal plate is complex, and even needs additional screws for fixing, so that the connection gap between the upper cover and the metal plate is easy to seep water, and the waterproof performance is poor. Meanwhile, the assembly of the product is complex, so that the high efficiency of production is influenced.
On the other hand, the existing thermostat is generally provided with a heating element under a metal plate, then a cup or a plate and the like to be heated are placed on the metal plate, the heating element generates heat, and the heat is transferred to an object to be heated through the metal plate. Therefore, the metal plate needs to be heated first during heating to slowly heat the object to be heated and the middle portion of the metal plate to a higher temperature than the edge portion, resulting in a slow heating rate and uneven heating.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a constant temperature is precious is provided, and simple structure is firm, the equipment is swift and the leakproofness is good.
The utility model aims to solve the technical problem that a constant temperature is precious is provided, and rate of heating is fast and the heating is even.
In order to solve the technical problem, the utility model provides a constant temperature device, which comprises a base, an upper cover matched with the base, a metal plate, a PTC heating element and a circuit control plate; the circuit control board is electrically connected with the PTC heating body; the upper cover is provided with an opening, the edge of the metal plate is provided with a surrounding edge, the upper cover is provided with a mounting groove matched with the surrounding edge, the surrounding edge is embedded into the mounting groove, and the metal plate seals the opening; the PTC heating element is attached to the bottom of the metal plate through the opening.
As an improvement of the above scheme, a heating element is arranged in the metal plate, and the heating element is electrically connected with the circuit control board.
As an improvement of the scheme, a pressing strip is arranged on the bottom surface of the PTC heating body, and a protruding edge for supporting the pressing strip is arranged on the base; the surrounding edge of metal sheet is equipped with the cutting, the mounting groove be equipped with the first jack of cutting looks adaptation.
As an improvement of the scheme, second insertion holes matched with the inserting strips are formed in two ends of the pressing strip, and the inserting strips penetrate through the first insertion holes and are inserted into the second insertion holes so as to limit the pressing strip to move in the horizontal direction.
As an improvement of the scheme, the middle part of the pressing strip is provided with a plurality of protruding parts, and the bottom surface of the PTC heating body is contacted with the upper ends of the protruding parts.
As an improvement of the scheme, the heating element is an electric heating wire which is uniformly distributed in the metal plate.
As an improvement of the scheme, the upper cover is provided with a touch point for controlling the switch, the circuit control board is provided with an electric connection column electrically connected with the touch point, and the electric connection column is sleeved with a spring.
As an improvement of the scheme, the base is provided with a limiting assembly for fixing the circuit control panel, the limiting assembly comprises a limiting side edge and a protruding strip which is correspondingly arranged with the limiting side edge, and the circuit control panel is clamped between the limiting side edge and the protruding strip.
As an improvement of the scheme, the upper cover comprises a flange, the base is provided with a sealing surrounding edge matched with the flange, and the sealing surrounding edge is embedded in the flange.
As an improvement of the scheme, the base is provided with a plurality of heat dissipation holes for heat dissipation.
Implement the utility model discloses, following beneficial effect has:
in the equipment of this product, the border of metal sheet is equipped with the surrounding edge, the upper cover be equipped with the mounting groove of surrounding edge looks adaptation, consequently, the equipment during upper cover and metal sheet, only need with the surrounding edge embedding the mounting groove can. The equipment is simple swift simultaneously, and the waterproof performance of being connected between metal sheet and the upper cover is good, and inside water can't get into the product from the gap between upper cover and the metal sheet.
Furthermore, a heating element is arranged in the metal plate, when an article needs to be heated, the heating element and the PTC heating body can be opened to heat the object placed on the metal plate, the heating speed is high, and the object placed on the surface of the metal plate can be uniformly heated by the self-heating of the metal plate. And when the object needs to be kept warm, the heating element and the PTC heating element can be respectively and independently started according to the requirement.
Drawings
Fig. 1 is an exploded schematic view of a thermostat according to a first embodiment of the present invention;
fig. 2 is a sectional view of a thermostat according to a first embodiment of the present invention;
fig. 3 is an exploded view of the thermostat of the second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a first embodiment of the present invention includes a base 6, an upper cover 1 adapted to the base 6, a metal plate 2, a PTC heating element 3, and a circuit control board 5; the circuit control board 5 is electrically connected with the PTC heating body 3, and the circuit control board 5 is electrically connected with a power line 7; the upper cover 1 is provided with an opening 13, the edge of the metal plate 2 is provided with a surrounding edge 21, the upper cover 1 is provided with a mounting groove 11 matched with the surrounding edge 21, the surrounding edge 21 is embedded into the mounting groove 11, and the metal plate 2 seals the opening 13; the PTC heating element 3 is attached to the bottom of the metal plate 2 through the opening 13.
Specifically, the upper cover 1 includes a rib 12, the base 6 is provided with a sealing surrounding edge 61 adapted to the rib 12, and the sealing surrounding edge 61 is embedded in the rib 12 to realize the splicing connection between the upper cover 1 and the base 6, so that an installation space is formed between the upper cover 1 and the base 6. The PTC heating element 3 and the circuit control board 5 are arranged in the installation space.
The bottom surface of the PTC heating body 3 is provided with a pressing strip 4, and the base 6 is provided with protruding edges 62 for supporting two ends of the pressing strip 4. When the upper cover 1 is connected with the base 6 in a splicing manner, the convex edge 62 supports the pressing strip 4, the upper cover 1 is pressed downwards, and then the PTC heating body 3 is tightly attached to the bottom surface of the metal plate 2.
In addition, in order to reduce the heat transfer of the PTC heating element 3 to the pressing strip 4, a plurality of protrusions 42 are arranged in the middle of the pressing strip 4, and the bottom surface of the PTC heating element 3 is in point contact with the upper ends of the protrusions 42, so that the contact area between the PTC heating element 3 and the pressing strip 4 is reduced, and the heat transfer efficiency of the PTC heating element 3 to the metal plate 2 is further improved.
The surrounding edge 21 of metal sheet 2 is equipped with cutting 22, mounting groove 11 be equipped with the first jack 14 of cutting 22 looks adaptation, the both ends of layering 4 be equipped with cutting 22 looks adaptation second jack 41, cutting 22 passes first jack 14 inserts second jack 41, in order to restrict layering 4 removes on the horizontal direction.
Be equipped with on base 6 and be used for fixing circuit control panel 5's spacing subassembly, spacing subassembly includes spacing side 63 and corresponds the protruding strip 64 that sets up with shown spacing side 63, circuit control panel 5 joint in between spacing side 63 and the protruding strip 64. The upper cover 1 is provided with a touch point 15 for controlling a switch, the circuit control board 5 is provided with an electric connection column 51 electrically connected with the touch point 15, and the electric connection column 51 is sleeved with a spring 52. Therefore, when the upper cover 1 and the base 6 are connected in a splicing manner, the electric connection post 51 and the spring 52 sleeved on the electric connection post 51 can limit the circuit connection board 5 to move up and down in the limiting component, so that the circuit control board 5 is fixed.
In order to avoid the temperature of the installation space from being too high, the base 6 is provided with a plurality of heat dissipation holes 65 for heat dissipation, and the heat dissipation holes 65 are preferably strip-shaped holes. The ratio of the area of the strip-shaped holes to the bottom area of the base 6 is 1/3-1/2.
Referring to fig. 3, in order to implement the second embodiment of the present invention, different from the first embodiment, a heating element (not shown) and a connecting wire for electrically connecting with the circuit control board are further provided in the metal plate 2, so that the metal plate 2 performs self-heating, and the heating element is electrically connected with the circuit control board 5 through the connecting wire.
Preferably, the heating element is a heating wire, and the heating wire is uniformly distributed in the metal plate 2, so that the metal plate 2 generates heat more uniformly.
In summary, when the article needs to be heated quickly, the heating element and the PTC heating element 3 can be controlled to operate by the circuit control board 5. And the self-heating of the metal plate 2 can uniformly heat the object placed on the surface thereof. In addition, when the object needs to be kept warm, the heating element and the PTC heating element 3 can be individually controlled to generate heat as needed.
Moreover, the utility model has the advantages of simple structure, each part all can be assembled through the mode of joint or gomphosis, and the equipment is convenient fast and inside each part can both be fixed.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A constant temperature device is characterized by comprising a base, an upper cover matched with the base, a metal plate, a PTC heating element and a circuit control plate; the circuit control board is electrically connected with the PTC heating body;
the upper cover is provided with an opening, the edge of the metal plate is provided with a surrounding edge, the upper cover is provided with a mounting groove matched with the surrounding edge, the surrounding edge is embedded into the mounting groove, and the metal plate seals the opening;
the PTC heating element is attached to the bottom of the metal plate through the opening.
2. The thermostat of claim 1, wherein a heating element is disposed in the metal plate, and the heating element is electrically connected to the circuit control board.
3. The thermostat treasure according to claim 2, wherein a pressing strip is arranged on the bottom surface of the PTC heating element, and the base is provided with a protruding edge for supporting the pressing strip; the surrounding edge of metal sheet is equipped with the cutting, the mounting groove be equipped with the first jack of cutting looks adaptation.
4. The thermostat treasure according to claim 3, wherein, the two ends of the pressing bar are provided with second insertion holes matched with the inserting bars, and the inserting bars are inserted into the second insertion holes through the first insertion holes so as to limit the movement of the pressing bar in the horizontal direction.
5. The thermostat treasure according to claim 3, wherein a plurality of protrusions are provided in the middle of the pressing bar, and the bottom surface of the PTC heating element contacts with the upper ends of the protrusions.
6. The thermostat of claim 2, wherein the heating element is a heating wire, and the heating wire is uniformly distributed in the metal plate.
7. The thermostat treasure according to claim 1 or 2, characterized in that the upper cover is provided with a touch point for controlling a switch, the circuit control board is provided with an electric connection post electrically connected with the touch point, and the electric connection post is sleeved with a spring.
8. The thermostat treasure according to claim 1 or 2, wherein the base is provided with a limiting component for fixing the circuit control board, the limiting component comprises a limiting side edge and a protruding strip arranged corresponding to the limiting side edge, and the circuit control board is clamped between the limiting side edge and the protruding strip.
9. The constant temperature device according to claim 1 or 2, wherein the upper cover comprises a flange, the base is provided with a sealing surrounding edge matched with the flange, and the sealing surrounding edge is embedded in the flange.
10. The thermostat of claim 1 or 2, wherein the base is provided with a plurality of heat dissipation holes for dissipating heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979354.5U CN209984051U (en) | 2018-11-28 | 2018-11-28 | Constant temperature is precious |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979354.5U CN209984051U (en) | 2018-11-28 | 2018-11-28 | Constant temperature is precious |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209984051U true CN209984051U (en) | 2020-01-24 |
Family
ID=69286969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821979354.5U Active CN209984051U (en) | 2018-11-28 | 2018-11-28 | Constant temperature is precious |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209984051U (en) |
-
2018
- 2018-11-28 CN CN201821979354.5U patent/CN209984051U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |