CN211316584U - Water heater with separated strong and weak current - Google Patents
Water heater with separated strong and weak current Download PDFInfo
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- CN211316584U CN211316584U CN201922191790.7U CN201922191790U CN211316584U CN 211316584 U CN211316584 U CN 211316584U CN 201922191790 U CN201922191790 U CN 201922191790U CN 211316584 U CN211316584 U CN 211316584U
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Abstract
The utility model discloses a water heater with separated strong current and weak current, which comprises a power adapter, a direct current-to-direct current module and a water heater body; the power adapter is electrically connected with the direct current-to-direct current module, the direct current-to-direct current module is electrically connected with the water heater body, and the power adapter is installed outside the water heater body. This technical scheme passes through power adapter's setting, convert alternating current 220V commercial power into low pressure direct current, realize strong and weak electric conversion function, this technical scheme sets up power adapter in the outside of water heater body, realize strong and weak electric separation, promote the safety in utilization simultaneously by a wide margin, avoid the inside high temperature and high humidity's of water heater environment to cause the influence to power adapter, improve power adapter life-span, and can reduce the volume of water heater to a certain extent, also be convenient for maintain the circuit part that the water heater is relevant.
Description
Technical Field
The utility model relates to a water heater technical field, more specifically say and relate to a water heater of strong and weak electric separation.
Background
The electric control board of the gas water heater has a logic control function, and can provide power drive for various sensors and action parts in the gas water heater. Almost all electric control boards integrate the power supply and control parts into one PCB board at present, and the electric control boards of the water heater are all placed inside the water heater and connected with the utility grid through an AC220V power line.
Firstly, the electric control board needs to provide power drive for each sensor and action component, which means that a power supply device for converting AC220V commercial power into low-voltage direct current is configured on the electric control board, so that the volume of the electric control board is large, a large space needs to be reserved in the water heater for placing the electric control board, and the volume of the water heater is difficult to reduce; the power supply device on the second electric control board can generate larger heat when working, and a high-temperature and high-humidity environment is formed in the water heater when the water heater is started, so that the service life of the power supply device is shortened; thirdly, as the power supply device is integrated on the electric control board, as long as one position on the electric control board fails, the whole electric control board needs to be discarded, which is not beneficial to maintenance and replacement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water heater of strong and weak electricity separation to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
a strong and weak current separated water heater comprising:
the power adapter is used for converting 220V alternating current commercial power into direct current below 50V;
the direct current-to-direct current conversion module is used for converting input direct current below 50V into a plurality of direct currents with different voltages below 50V;
and a water heater body;
the power adapter is electrically connected with the direct current-to-direct current module, the direct current-to-direct current module is electrically connected with the water heater body, and the power adapter is installed outside the water heater body.
As a further improvement of the above technical solution, the dc-dc conversion module is installed inside the water heater body.
As a further improvement of the above technical solution, the power adapter is a linear power supply or a switching power supply.
As a further improvement of the above technical solution, an electric control board is disposed inside the water heater body, the dc-to-dc module is disposed on the electric control board, a sensor interface, a valve interface, a dc water pump interface, a dc fan interface, an ignition interface, and a flame feedback interface are further disposed on the electric control board, and the dc-to-dc module is electrically connected to the sensor interface, the valve interface, the dc water pump interface, the dc fan interface, the ignition interface, and the flame feedback interface, respectively.
As a further improvement of the above technical solution, the electric control board is further provided with an operation interface, and the dc-to-dc module is electrically connected to the operation interface.
As a further improvement of the technical scheme, the outside of the power adapter is encapsulated by a plastic insulating box.
As a further improvement of the technical scheme, the power adapter is provided with a power ground wire, and the power ground wire is connected with the water heater body.
The utility model has the advantages that: this technical scheme passes through power adapter's setting, convert alternating current 220V commercial power into low pressure direct current, realize strong and weak electric conversion function, this technical scheme sets up power adapter in the outside of water heater body, realize strong and weak electric separation, promote the safety in utilization by a wide margin, avoid the inside high temperature and high humidity's of water heater environment to cause the influence to power adapter simultaneously, improve power adapter life-span, and can reduce the volume of water heater to a certain extent, also be convenient for maintain the circuit part that the water heater is relevant.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a schematic diagram of the structure of the device of the present invention;
fig. 2 is a schematic structural diagram of the electric control board of the present invention.
100. The water heater comprises a power adapter 200, a direct current-to-direct current module 300, a water heater body 400, an electric control board 410, a sensor interface 420, a valve interface 430, a direct current water pump interface 440, a direct current fan interface 450, an ignition interface 460, a flame feedback interface 470 and an operation interface.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, the present application discloses a strong and weak current separated water heater, a first embodiment of which comprises:
the power adapter 100 is used for converting 220V alternating current commercial power into direct current below 50V;
a dc-to-dc module 200 for converting an input dc power of 50V or less into a plurality of dc powers of 50V or less and different voltages;
and a water heater body 300;
the power adapter 100 is electrically connected to the dc-dc conversion module 200, the dc-dc conversion module 200 is electrically connected to the water heater body 300, and the power adapter 100 is installed outside the water heater body 300.
This embodiment passes through power adapter 100's setting, convert alternating current 220V commercial power into low pressure direct current, realize strong and weak electric conversion function, this technical scheme sets up power adapter 100 in water heater body 300's outside, realize strong and weak electric separation, avoid the inside high temperature and high humidity's of water heater environment to cause the influence to power adapter 100, improve power adapter 100 life-span, simultaneously can reduce the volume of water heater to a certain extent, also be convenient for maintain the relevant circuit part of water heater.
In this embodiment, the dc-dc conversion module 200 is preferably disposed inside the water heater body 300, because the dc-dc conversion module 200 needs to be connected to various electric driving devices (sensors, water pumps, etc.) in the water heater body 300, and if the dc-dc conversion module 200 is mounted outside the water heater body 300, the connection between the dc-dc conversion module 200 and the various electric driving devices in the water heater body 300 can be realized only by using more wires, so in view of practical situations, in order to reduce the cost, the dc-dc conversion module 200 is preferably disposed inside the water heater body 300 in this embodiment.
In this embodiment, the power adapter 100 is mainly used for converting 220V ac mains supply into dc power below 50V, the power adapter 100 may be a switching power supply or a linear power supply, the power adapter 100 is configured with a power ground wire, the power ground wire is connected with a metal shell of the water heater body 300 through a ground screw, the power adapter 100 may be fixed on a wall surface where the water heater body 300 is installed by means of suspension or screws, brackets, and the like, and the outside of the power adapter 100 is encapsulated by a plastic insulating box.
In this embodiment, an electric control board 400 is disposed inside the water heater body 300, the dc-to-dc module 200 is disposed on the electric control board 400, and the electric control board 400 is further provided with a sensor interface 410, a valve interface 420, a dc water pump interface 430, a dc fan interface 440, an ignition interface 450, a flame feedback interface 460, and a controller; the dc-to-dc module 200 is electrically connected to the sensor interface 410, the valve interface 420, the dc water pump interface 430, the dc fan interface 440, the ignition interface 450, the flame feedback interface 460, and the controller, respectively; the controller is respectively electrically connected with the sensor interface 410, the valve interface 420, the direct current water pump interface 430, the direct current fan interface 440, the ignition interface 450 and the flame feedback interface 460, and the controller is mainly used for controlling the power-on connection between the internal sub-equipment of the water heater body 300 and the direct current to direct current module 200 and sending or receiving corresponding information data.
A water inlet pipeline, a heating assembly, a water outlet pipeline, a direct current fan and a direct current water pump are arranged inside the water heater body 300, the water outlet pipeline and the water inlet pipeline are respectively communicated with the heating assembly, an ignition module and a flame feedback module are arranged on the heating assembly, the heating assembly is connected with a universal air valve assembly, a first temperature sensor and the direct current water pump are arranged on the water inlet pipeline, and a second temperature sensor and a flow sensor are arranged on the water outlet pipeline; the sensor interface 410 is electrically connected to the first temperature sensor, the second temperature sensor and the flow sensor, the valve interface 420 is electrically connected to the general air valve assembly, the dc water pump interface 430 is electrically connected to the dc water pump, the dc fan interface 440 is electrically connected to the dc fan, the ignition interface 450 is electrically connected to the ignition module, and the flame feedback interface 460 is electrically connected to the flame feedback module.
Furthermore, in order to facilitate the operation of the water heater by the user, in this embodiment, an operation interface module is further installed on the water heater body 300, an operation interface 470 is further arranged on the electric control board 400, and the operation interface module, the controller and the dc-dc module 200 are respectively electrically connected to the operation interface 470.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (7)
1. A strong and weak electric separation water heater is characterized by comprising:
a power adapter (100) for converting 220V AC mains into DC of 50V or less;
the direct current-to-direct current module (200) is used for converting the input direct current with the voltage of less than 50V into a plurality of direct currents with different voltages of less than 50V;
and a water heater body (300);
the power adapter (100) is electrically connected with the direct current-to-direct current module (200), the direct current-to-direct current module (200) is electrically connected with the water heater body (300), and the power adapter (100) is installed outside the water heater body (300).
2. A strong and weak electric separation water heater according to claim 1, characterized in that: the direct current-to-direct current module (200) is installed inside the water heater body (300).
3. A strong and weak electric separation water heater according to claim 1 or 2, characterized in that: the power adapter (100) is either a linear power supply or a switching power supply.
4. A strong and weak electric separation water heater according to claim 2, characterized in that: the inside of water heater body (300) is provided with automatically controlled board (400), direct current module (200) sets up on automatically controlled board (400), still be provided with sensor interface (410), valve interface (420), direct current water pump interface (430), direct current fan interface (440), ignition interface (450) and flame feedback interface (460) on automatically controlled board (400), direct current module (200) respectively with sensor interface (410), valve interface (420), direct current water pump interface (430), direct current fan interface (440), ignition interface (450) and flame feedback interface (460) electricity is connected.
5. A strong and weak electric separation water heater according to claim 4, characterized in that: an operation interface (470) is further arranged on the electric control board (400), and the direct current-direct current module (200) is electrically connected with the operation interface (470).
6. A strong and weak electric separation water heater according to claim 1, characterized in that: the exterior of the power adapter (100) is encapsulated by a plastic insulating box.
7. A strong and weak electric separation water heater according to claim 1, characterized in that: the power adapter (100) is provided with a power ground wire, and the power ground wire is connected with the water heater body (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191790.7U CN211316584U (en) | 2019-12-09 | 2019-12-09 | Water heater with separated strong and weak current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191790.7U CN211316584U (en) | 2019-12-09 | 2019-12-09 | Water heater with separated strong and weak current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211316584U true CN211316584U (en) | 2020-08-21 |
Family
ID=72057947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922191790.7U Active CN211316584U (en) | 2019-12-09 | 2019-12-09 | Water heater with separated strong and weak current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211316584U (en) |
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2019
- 2019-12-09 CN CN201922191790.7U patent/CN211316584U/en active Active
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