CN216123340U - Water storage type electromagnetic water heater and control box for electromagnetic water heater - Google Patents
Water storage type electromagnetic water heater and control box for electromagnetic water heater Download PDFInfo
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- CN216123340U CN216123340U CN202122092777.3U CN202122092777U CN216123340U CN 216123340 U CN216123340 U CN 216123340U CN 202122092777 U CN202122092777 U CN 202122092777U CN 216123340 U CN216123340 U CN 216123340U
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Abstract
The utility model discloses a water storage type electromagnetic water heater and a control box for the electromagnetic water heater. The control box comprises a box cover, a box body, a second electromagnetic coil panel, an IGBT module and a cooling fan, wherein the IGBT module and the cooling fan are electrically connected with the second electromagnetic coil panel; the two opposite side surfaces of the box body are respectively a coil surface and an assembly surface, a heat dissipation cavity is formed between the box cover and the assembly surface, the IGBT module and the heat dissipation fan are arranged in the heat dissipation cavity, and the second electromagnetic coil panel is fixed on the coil surface of the box body; and a lower air opening close to the heat dissipation fan is arranged at the bottom of the heat dissipation cavity, and a first heat dissipation air channel flowing through the heat dissipation cavity and a second heat dissipation air channel flowing through the second electromagnetic coil panel through the lower air opening are formed between the heat dissipation fan and the air outlet. The control box is simple in structure, and the second electromagnetic coil panel is ensured to have good heat dissipation performance by arranging the reasonable heat dissipation air channel.
Description
Technical Field
The utility model relates to the field of electric water heaters, in particular to a water storage type electromagnetic water heater and a control box for the electromagnetic water heater.
Background
The electromagnetic electric water heater adopts an electromagnetic induction heating technology, has the advantages of quick heating, water-electricity separation, convenient use and the like, and is gradually popular among people. The water storage type electromagnetic electric water heater generally adopts the structural principle of double-coil panel induction, structurally comprises two parts, namely a heating water tank with a water storage inner container arranged therein and a control box (strong current part) detachably assembled on the heating water tank, a second electromagnetic coil panel is arranged inside the control box and used for being arranged in the heating water tank through a first electromagnetic coil panel which generates induction voltage through electromagnetic induction with the second electromagnetic coil panel, and no lead is arranged between the heating water tank and the control box to be connected, so that the control box and the water storage inner container are completely separated to realize water-electricity separation, and the occurrence of electric leakage and electric shock risks is avoided, thereby being safe and reliable in use.
Chinese patent CN205481789U discloses an electromagnetic water storage type electric water heater, which specifically comprises a water storage tank with an inner container inside and a control box; the water storage tank is also internally provided with a first electromagnetic coil panel and a heating pipe, the control box is internally provided with a second electromagnetic coil panel, and after the second electromagnetic coil panel is electrified, the first electromagnetic coil panel generates induction voltage by inducing an oscillating magnetic field of the second electromagnetic coil panel to electrify and heat the heating pipe. Among this technical scheme, establish in the control box in the second solenoid coil panel, heat dispersion is relatively poor, has overheated emergence dry burning damage's use hidden danger.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a water storage type electromagnetic water heater and a control box for the electromagnetic water heater, the control box is simple in structure, and the second electromagnetic coil panel is ensured to have good heat dissipation performance by arranging a reasonable heat dissipation air duct.
The utility model provides a control box for an electromagnetic water heater, which comprises a box cover, a box body, a second electromagnetic coil panel, an IGBT module and a cooling fan, wherein the IGBT module and the cooling fan are electrically connected with the second electromagnetic coil panel; the box cover is provided with an air inlet and an air outlet which are communicated with the heat dissipation cavity, the air inlet is arranged close to the heat dissipation fan, and the air outlet is arranged far away from the heat dissipation fan; the two opposite side surfaces of the box body are respectively a coil surface and an assembly surface, a heat dissipation cavity is formed between the box cover and the assembly surface, the IGBT module and the heat dissipation fan are arranged in the heat dissipation cavity, and the second electromagnetic coil panel is fixed on the coil surface of the box body; and a lower air opening close to the heat dissipation fan is arranged at the bottom of the heat dissipation cavity, and a first heat dissipation air channel flowing through the heat dissipation cavity and a second heat dissipation air channel flowing through the second electromagnetic coil panel through the lower air opening are formed between the heat dissipation fan and the air outlet.
In a preferred embodiment, the cavity bottom of the heat dissipation cavity is further provided with an upper air inlet far away from the heat dissipation fan, the upper air inlet is communicated with the air outlet, and a second heat dissipation air channel is formed between the lower air inlet and the air outlet from the upper air inlet.
In a preferred embodiment, the second electromagnetic coil panel is located between the lower air opening and the upper air opening.
In a preferred embodiment, the air outlet comprises a first air outlet communicated with the first heat dissipation air duct and a second air outlet communicated with the upper air inlet.
In a preferred embodiment, an air partition plate is arranged in the heat dissipation cavity and is positioned between the first air outlet and the second air outlet.
In a preferred embodiment, the box body comprises a box main body and a blocking edge protruding out of the box main body, and the blocking edge is connected with the box cover in a matched mode to form the heat dissipation cavity together.
In a preferred embodiment, a water-stop baffle is arranged at the bottom of the heat dissipation cavity, and the periphery of the IGBT module is abutted to the water-stop baffle.
In a preferred embodiment, the coil face is provided with a coil support, and the electromagnetic coil is wound on the coil support to form a second electromagnetic coil disk.
The utility model also discloses a water storage type electromagnetic water heater, which comprises a water storage tank, wherein the water storage tank comprises a shell, a water storage inner container, a heating pipe for heating the water storage inner container and a first electromagnetic coil panel electrically connected with the heating pipe; the control box is detachably assembled at one end of the shell, and the first electromagnetic coil panel and the second electromagnetic coil panel are in induction fit to generate induced voltage.
In a preferred embodiment, one of the end portions of the housing has a receiving groove in which the control box is detachably fitted.
Compared with the prior art, the utility model has the following beneficial effects:
the control box disclosed by the utility model has a simple integral structure, and the second electromagnetic coil panel is not sealed in the box body any more but arranged on the exposed radiating surface relative to the box body, so that the radiating performance of the second electromagnetic coil panel is improved; meanwhile, the air duct is reasonably arranged, the heat dissipation fan is utilized to dissipate heat of the IGBT module positioned in the heat dissipation cavity, and meanwhile, partial air flow can flow through the second electromagnetic coil panel through the air outlet to dissipate heat, so that the second electromagnetic coil panel is ensured not to be burnt by overheating in the using process, the working reliability of the control box is favorably improved, and the service life of the control box is prolonged.
Drawings
Fig. 1 is an exploded view of the control box, and dotted arrows indicate the flow path of the heat dissipation air.
Fig. 2 is a partial structural schematic view of the control box at another viewing angle.
FIG. 3 is a schematic perspective view of the cartridge;
FIG. 4 is a second schematic perspective view of the case;
fig. 5 is a schematic perspective view of the control box.
Fig. 6 is an exploded structural schematic diagram of a water storage type electromagnetic water heater.
Fig. 7 is a schematic perspective view of a water storage type electromagnetic water heater.
Detailed Description
To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1 to 5, the present invention discloses a control box 2 for an electromagnetic water heater, which includes a box cover 21, a box body 22, a second electromagnetic coil panel 23, an IGBT module 24 electrically connected to the second electromagnetic coil panel 23, and a heat dissipation fan 26; two opposite side surfaces of the box body 22 are respectively a coil surface and an assembling surface, the box cover 21 is detachably connected with the box body 22, a heat dissipation cavity is formed between the box cover 21 and the assembling surface of the box body 22, the IGBT module 24 and the heat dissipation fan 26 are arranged in the heat dissipation cavity, and the second electromagnetic coil panel 23 is fixed on the coil surface of the box body 22; an air inlet 211 and an air outlet which are communicated with the heat dissipation cavity are arranged on the box cover 21, the air inlet 211 is arranged close to the heat dissipation fan 26, and the air outlet is arranged far away from the heat dissipation fan 26; a lower air port 226 close to the heat dissipation fan 26 is disposed at the bottom of the heat dissipation chamber, and a first heat dissipation air channel flowing through the heat dissipation chamber and a second heat dissipation air channel flowing through the second electromagnetic coil panel 23 through the lower air port 226 are formed between the heat dissipation fan 26 and the air outlet.
The control box 2 disclosed by the utility model has a simple integral structure, and the second electromagnetic coil panel 23 is not sealed in the box body any more but arranged on the exposed radiating surface relative to the box body, so that the radiating performance of the second electromagnetic coil panel 23 is improved; meanwhile, by reasonably arranging the air duct, the utility model can utilize the heat radiation fan 26 to radiate the heat of the IGBT module 24 positioned in the heat radiation cavity, and simultaneously can also ensure that partial air flow flows through the second electromagnetic coil panel 23 through the air outlet 226 to radiate the heat, thereby ensuring that the second electromagnetic coil panel 23 cannot be burnt by overheating in the use process, and being beneficial to improving the working reliability and the service life of the control box 2.
An upper air inlet 227 far away from the heat dissipation fan 26 is further arranged at the cavity bottom of the heat dissipation cavity, the upper air inlet 227 is communicated with the air outlet, and a second heat dissipation air channel is formed between the lower air inlet 226 and the air outlet through the upper air inlet 227. And, the second solenoid coil panel 23 is located between the lower air opening 226 and the upper air opening 227. Thus, when the airflow generated by the heat dissipation fan 26 flows through the second heat dissipation air duct, the airflow flows through the surface of the second electromagnetic coil panel 23, and the heat dissipation and cooling effects are achieved for the second electromagnetic coil panel 23.
The air outlet comprises a first air outlet 212 communicated with the first heat dissipation air duct and a second air outlet 213 communicated with the upper air inlet 227; an air isolating plate 225 is arranged in the heat dissipation cavity, the air isolating plate 225 is located between the first air outlet 212 and the second air outlet 213, and the air isolating plate 225 is utilized to prevent the first heat dissipation air duct and the second heat dissipation air duct from forming air cross at the air outlets to affect the heat dissipation effect.
The box body 22 is also internally provided with a radiator 25 which is in contact with the IGBT module 24, the radiator 25 is positioned in the first radiating air duct, and the radiator 25 is utilized to improve the radiating capacity of the IGBT module 24, thereby being beneficial to keeping the control box 2 stably and reliably working.
The box body 22 includes a box body 221 and a retaining edge 222 protruding from the box body 221, and the retaining edge 222 is connected to the box cover 21 in a matching manner to form a heat dissipation chamber. A fan mounting position 224 is arranged at one end of the heat dissipation cavity, and the heat dissipation fan 26 is arranged at the fan mounting position 224; be equipped with the stagnant water at the bottom of the chamber in heat dissipation chamber and enclose fender 223, the periphery butt setting of IGBT module 24 encloses on fender 223 in the stagnant water, utilizes the stagnant water to enclose fender 223 and can prevent that the water that gets into the heat dissipation intracavity from influencing IGBT module 24's downside. The coil surface of the box body 22 refers to the side of the box main body 221 facing away from the heat dissipation chamber, the coil surface is provided with a coil support 228, and the electromagnetic coil is wound on the coil support 228 to form the second electromagnetic coil panel 23.
The periphery of the blocking edge 222 is provided with a plurality of threaded sleeves 229, the box cover 21 is correspondingly provided with a plurality of threaded studs 219, the blocking edge 222 is abutted against the box cover 21 by inserting the threaded studs 219 into the threaded sleeves 229 at corresponding positions, and the box body 22 and the box cover 21 can be fixedly assembled by screwing the threaded studs with screws.
Further referring to fig. 6 and 7, the utility model also discloses a water storage type electromagnetic water heater, which comprises a water storage tank 1 and a control box 2; the water storage tank 1 comprises a shell 11, a water storage inner container, a heating pipe for heating the water storage inner container and a first electromagnetic coil panel 14 for inducing with a second electromagnetic coil panel 23 to generate induction voltage, wherein the first electromagnetic coil panel 14 is electrically connected with the heating pipe; the control box 2 is detachably fitted to one end portion of the housing 11.
Wherein, one of them tip of shell 11 has the holding tank, and control box 2 demountable assembly is in the holding tank so that control box 2 hides to set up in shell 11 and can not outer protruding shell 11 for water storage formula electromagnetism water heater overall structure is compact and the appearance is pleasing to the eye.
The IGBT module 24 is connected to an external alternating current (mains supply) so that the second electromagnetic coil panel 23 generates an alternating magnetic field, the first electromagnetic coil panel 14 induces the alternating magnetic field of the second electromagnetic coil panel 23 to generate an induction voltage, and the induction voltage is applied to the heating pipe to energize and heat the heating pipe, thereby heating the water in the water storage liner. Therefore, the control box 2 is not connected with the water storage tank 1 through an electric wire, water and electricity isolation of the water storage liner is achieved, and the water storage liner is safe and reliable to use.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A control box for an electromagnetic water heater comprises a box cover, a box body, a second electromagnetic coil panel, an IGBT module and a cooling fan, wherein the IGBT module and the cooling fan are electrically connected with the second electromagnetic coil panel; the box cover is provided with an air inlet and an air outlet which are communicated with the heat dissipation cavity, the air inlet is arranged close to the heat dissipation fan, and the air outlet is arranged far away from the heat dissipation fan; the method is characterized in that:
the two opposite side surfaces of the box body are respectively a coil surface and an assembly surface, a heat dissipation cavity is formed between the box cover and the assembly surface, the IGBT module and the heat dissipation fan are arranged in the heat dissipation cavity, and the second electromagnetic coil panel is fixed on the coil surface of the box body;
and a lower air opening close to the heat dissipation fan is arranged at the bottom of the heat dissipation cavity, and a first heat dissipation air channel flowing through the heat dissipation cavity and a second heat dissipation air channel flowing through the second electromagnetic coil panel through the lower air opening are formed between the heat dissipation fan and the air outlet.
2. The control box according to claim 1, wherein: an upper air inlet far away from the heat dissipation fan is further arranged at the cavity bottom of the heat dissipation cavity and communicated with the air outlet, and a second heat dissipation air channel is formed between the lower air inlet and the air outlet and between the upper air inlet and the air outlet.
3. The control box according to claim 2, wherein: the second electromagnetic coil panel is positioned between the lower air opening and the upper air opening.
4. The control box according to claim 2, wherein: the air outlet comprises a first air outlet communicated with the first heat dissipation air duct and a second air outlet communicated with the upper air inlet.
5. The control box according to claim 4, wherein: an air partition plate is arranged in the heat dissipation cavity and is positioned between the first air outlet and the second air outlet.
6. The control box according to claim 1, wherein: the box body includes that box main part and protrusion box main part set up keep off along, keep off along being connected with the cooperation of lid in order to form the heat dissipation chamber jointly.
7. The control box according to claim 1, wherein: the cavity bottom of the heat dissipation cavity is provided with a water-stop baffle, and the periphery of the IGBT module is abutted to the water-stop baffle.
8. The control box according to claim 1, wherein: the coil face is provided with a coil support, and the electromagnetic coil is wound on the coil support to form a second electromagnetic coil panel.
9. A water storage type electromagnetic water heater comprises a water storage tank, wherein the water storage tank comprises a shell, a water storage inner container, a heating pipe for heating the water storage inner container and a first electromagnetic coil panel electrically connected with the heating pipe; the control box of any one of claims 1 to 8, further comprising a control box detachably mounted to one of the ends of the housing, wherein the first electromagnetic coil panel and the second electromagnetic coil panel are inductively coupled to generate an induced voltage.
10. A storage-type electromagnetic water heater according to claim 9, wherein the housing has a receiving groove at one end thereof, and the control box is detachably fitted in the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092777.3U CN216123340U (en) | 2021-08-31 | 2021-08-31 | Water storage type electromagnetic water heater and control box for electromagnetic water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122092777.3U CN216123340U (en) | 2021-08-31 | 2021-08-31 | Water storage type electromagnetic water heater and control box for electromagnetic water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216123340U true CN216123340U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122092777.3U Active CN216123340U (en) | 2021-08-31 | 2021-08-31 | Water storage type electromagnetic water heater and control box for electromagnetic water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216123340U (en) |
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2021
- 2021-08-31 CN CN202122092777.3U patent/CN216123340U/en active Active
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