CN210425520U - Electromagnetic heating body assembly for water heater - Google Patents
Electromagnetic heating body assembly for water heater Download PDFInfo
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- CN210425520U CN210425520U CN201921198485.4U CN201921198485U CN210425520U CN 210425520 U CN210425520 U CN 210425520U CN 201921198485 U CN201921198485 U CN 201921198485U CN 210425520 U CN210425520 U CN 210425520U
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Abstract
The utility model discloses an electromagnetic heating body for water heater, including cold water inlet and hot water outlet, still include casing, one-level heating tube, second grade heating tube and the winding of making by insulating material in the electromagnetic power coil in the casing outside, one-level heating tube and second grade heating tube all set up the inside of casing, the one-level heating tube is the heliciform structure, just the upper end of one-level heating tube with cold water inlet communicates with each other, second grade heating tube alternate in the inside of one-level heating tube, the lower extreme of second grade heating tube with the hot water outlet communicates with each other. The utility model discloses make full use of electromagnetic power coil's energy, advanced the bottom of entering the casing after water gets into from the cold water import to flow in the second grade heating tube when rising to the upper end cross-section of second grade heating tube along with the water level, at this moment water contacts completely with inner wall, the outer wall of one-level heating tube and second grade heating tube, makes the heat of heating tube conduct the feedwater completely, has improved the efficiency conversion rate, has practiced thrift the energy.
Description
Technical Field
The utility model relates to a water heater equipment technical field, more specifically say, relate to an electromagnetic heating body subassembly for water heater.
Background
The electric water heater is widely used as a conventional electric appliance in the family at present. At present, a household electric water heater generally comprises a water storage type electric water heater, an instant heating type electric water heater and a quick heating type electric water heater, most of the three electric water heaters adopt a mode that an electric heating pipe is directly inserted into water for heating, however, a heating pipe which is commonly used at present is a straight pipe, so that water in a limited volume cannot be fully contacted with the surface of the heating pipe, the energy efficiency conversion rate is low, a power supply and heat in a unit volume are wasted, water and electricity isolation cannot be realized, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides an electromagnetism heat-generating body subassembly for water heater realizes that physics water and electricity keeps apart, improves under the safe in utilization's the prerequisite, increases the surface area of heat-generating body, improves the area of contact of water and heat-generating body, improves efficiency conversion efficiency, practices thrift the power.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an electromagnetic heating body for water heater, includes cold water inlet and hot water outlet, still includes casing, one-level heating tube, second grade heating tube and the winding made by insulating material and twines the electromagnetic power coil in the casing outside, one-level heating tube and second grade heating tube all set up the inside of casing, one-level heating tube is the heliciform structure, just the upper end of one-level heating tube with cold water inlet communicates with each other, second grade heating tube alternate in the inside of one-level heating tube, the lower extreme of second grade heating tube with the hot water outlet communicates with each other.
Preferably, the upper end cover of casing is equipped with the connector, the connector includes the connecting portion and the portion of intaking that link up mutually, the upper end of one-level heating tube is pegged graft in the connecting portion.
Preferably, a flowmeter and a first thermocouple are sequentially arranged at the cold water inlet along the water flow direction.
Preferably, a second thermocouple is arranged at the hot water outlet.
Preferably, the second thermocouple is provided inside a lower end of the housing.
Preferably, the screw pitch of the primary heating tube is larger than or equal to the pipe diameter of the primary heating tube.
Preferably, the pitch of the primary heating tube is twice of the tube diameter.
Preferably, a connecting flange is arranged on the side wall of the upper end of the shell, and the connecting body is connected with the connecting flange.
Preferably, the material of the first-stage heating tube is stainless steel or stainless iron, and the material of the second-stage heating tube is stainless steel.
Preferably, a sealing ring is arranged between the connecting body and the shell.
The utility model has the advantages that: through set up spiral helicine one-level heating tube and second grade heating tube in the casing, the second grade heating tube alternate in the inside of one-level heating tube, electromagnetic power coil is direct to the heating of one-level heating tube at the during operation to see through the clearance between every circle of one-level heating tube and give the heating of second grade heating tube, not only make full use of electromagnetic power coil's energy, realized the water and electricity isolation moreover, improved safe in utilization. When water enters from the cold water inlet, the water level rises gradually after the water absorbs heat from the inner wall of the first-stage heating tube and enters the bottom of the shell, the water is in contact with the outer walls of the first-stage heating tube and the second-stage heating tube and absorbs the heat emitted by the heating tube in the rising process, and when the water level is higher than the top end opening section of the second-stage heating tube, the water flows into the hole of the second-stage heating tube under the action of water pressure and takes away the heat emitted by the inner wall of the second-stage heating tube. At this moment, water is in complete contact with the inner wall and the outer wall of the first-stage heating tube and the second-stage heating tube, so that heat of the heating tubes is completely conducted to water, the energy efficiency conversion rate is improved, and energy is saved. The utility model discloses simple structure, excellent in use effect easily uses widely.
Drawings
Fig. 1 is a schematic structural view of the electromagnetic heating element for water heater of the present invention.
Fig. 2 is a schematic partial sectional view of the electromagnetic heating element for water heater of the present invention.
Fig. 3 is a working schematic diagram of the electromagnetic heating element for water heater of the present invention.
Wherein: 1-cold water inlet, 2-hot water inlet, 3-shell, 4-primary heating tube, 5-secondary heating tube, 6-electromagnetic power coil, 7-connector, 8-connecting part, 9-water inlet part, 10-flowmeter, 11-first thermocouple, 12-connecting flange, 13-second thermocouple and 14-sealing ring.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the electromagnetic heating unit for a water heater of this embodiment includes a cold water inlet 1 and a hot water outlet 2, and further includes a housing 3 made of an insulating material, a primary heating tube 4, a secondary heating tube 5, and an electromagnetic power coil 6 wound around the outside of the housing 3, wherein the primary heating tube 4 and the secondary heating tube 5 are both disposed inside the housing 3, the primary heating tube 4 is of a spiral structure, the upper end of the primary heating tube 4 is communicated with the cold water inlet 1, the secondary heating tube 5 is inserted into the primary heating tube 4, and the lower end of the secondary heating tube 5 is communicated with the hot water outlet 2.
Based on the electromagnetic heating body subassembly for water heater of above-mentioned technical characteristics, through set up spiral helicine one-level heating tube 4 and second grade heating tube 5 in the casing, second grade heating tube 5 alternate in the inside of one-level heating tube 4, electromagnetic power coil 6 directly heats one-level heating tube 4 at the during operation to see through the clearance between 4 every circles of one-level heating tube and give second grade heating tube 5 heating, not only make full use of electromagnetic power coil 6's energy, realized the water and electricity isolation moreover, improved safety in utilization. When water enters from the cold water inlet 1, the water level rises gradually after the water absorbs heat from the inner wall of the first-stage heating tube 4 and enters the bottom of the shell 3, the water is in contact with the outer walls of the first-stage heating tube 4 and the second-stage heating tube 5 and absorbs the heat emitted by the heating tubes in the rising process, and when the water level is higher than the top opening section of the second-stage heating tube 5, the water flows into the holes of the second-stage heating tube 5 under the action of water pressure and takes away the heat emitted by the inner wall of the second-stage heating tube 5. At this time, the water is in complete contact with the inner wall and the outer wall of the first-stage heating tube 4 and the second-stage heating tube 5, so that the heat of the heating tubes is completely conducted to the water, the energy efficiency conversion rate is improved, and the energy is saved. The utility model discloses simple structure, excellent in use effect easily uses widely.
In this embodiment, the upper end of the casing 3 is sleeved with a connector 7, the connector 7 includes a connecting portion 8 and a water inlet portion 9, the connecting portion 8 and the water inlet portion 9 are communicated with each other, one end of the water inlet portion 9, which is far away from the connecting portion 8, is the cold water inlet 1, and the upper end of the primary heating tube 4 is inserted into the connecting portion 8. Preferably, the first-stage heating tube 4 is connected with the connecting portion 8 through threads, an external thread is arranged on the first-stage heating tube 8, an internal thread is arranged on the connecting portion 8, and the installation and the connection are convenient.
In addition, in order to ensure the sealing performance between the connecting body 7 and the shell, a sealing ring 14 is arranged between the connecting body 7 and the shell 3. In particular, the sealing ring 14 is arranged at the connection 8 of the housing and the connecting body 7.
In this embodiment, a flowmeter 10 and a first thermocouple 11 are sequentially arranged at the cold water inlet 1 along the water flow direction, and a second thermocouple 13 is arranged at the hot water outlet 2. By providing the flow meter 10, the electromagnetic power coil 6 is activated when the flow meter 10 detects a flow of liquid. The water temperature of the cold water inlet 1 is detected by setting the first thermocouple 11, the water temperature of the hot water outlet 2 is detected by setting the second thermocouple 13, and then the power of the electromagnetic power coil 6 is adjusted by comparing the detected water temperature with the water temperature set by a user.
In this embodiment, it is preferable that the flow meter 10 and the first thermocouple 11 are both disposed in the water inlet portion 9 of the connecting body 7, the lower end of the housing 3 is a hot water outlet, and the second thermocouple 3 is disposed inside the lower end of the housing 3.
In this embodiment, preferably, the lower end of the secondary heating tube 5 is connected to the lower end of the housing 3 by a screw thread.
In this embodiment, in order to ensure the heating effect of the second-stage heating tube 5, the first-stage heating tube 4 is a spiral structure, and the screw pitch thereof is greater than or equal to the pipe diameter of the first-stage heating tube 4. Preferably, the pitch of the primary heating tube 4 is twice of the tube diameter. Wherein, the pipe diameter of the primary heating pipe 4 refers to the outer diameter thereof.
In this embodiment, a connecting flange 12 is disposed on a side wall of an upper end of the housing 3, and the connecting body 7 is connected to the connecting flange 12. The connecting body 7 is provided with a threaded hole for connecting the connecting flange 12, the connecting flange 12 is provided with a through hole corresponding to the threaded hole, and when the connecting body 7 is matched and connected with the upper end of the shell 3, the threaded hole is connected with a screw or a bolt, so that the connecting strength of the connecting body 7 and the shell 3 is ensured.
In this embodiment, preferably, the primary heating tube 4 is made of a stainless steel or stainless iron material which is easy to machine and form. The secondary heating tube 5 is made of stainless steel, and preferably, the secondary heating tube 5 is made of stainless steel with high carbon content, such as martensite 430 series.
Referring to fig. 3, the working principle of the electromagnetic heating element for water heater of the present invention is that the related circuit of the electromagnetic heating element is powered on, the flowmeter 10 at the cold water inlet 1 end detects that there is liquid flowing in the pipeline, the master control MCU changes from the standby state to the working state, the first thermocouple 11 at the cold water inlet 1 end and the second thermocouple 13 at the hot water outlet 2 end transmit the detected liquid temperature of the corresponding measurement and control point to the master control MCU, the master control MCU sets the water outlet temperature according to the user setting, and the relationship between the currently detected water temperature at the cold water inlet 1 end, the water temperature at the hot water outlet 2 end, and the liquid flow rate, according to the power of the matched IGBT module and the electromagnetic heating element, modulates and outputs the corresponding frequency and pulse width, the IGBT and the electromagnetic heating element enter the working state, and the generated electromagnetic eddy current acts on the primary heating tube 4, and acts on the inner side of the primary heating tube 4 and the secondary heating tube 5 through the gap between each circle of the primary heating tube 4; the liquid flows out through the inner wall of the first-stage heating tube 4, the outer wall of the second-stage heating tube 5 and the outer wall of the first-stage heating tube 4. By increasing the contact area between the liquid and the heating body, the electric/thermal conversion efficiency under the same power can be improved, and the energy consumption is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an electromagnetism heat-generating body subassembly for water heater, includes cold water inlet and hot water export, its characterized in that: the electromagnetic heating device is characterized by further comprising a shell made of insulating materials, a first-stage heating tube, a second-stage heating tube and an electromagnetic power coil wound on the outer side of the shell, wherein the first-stage heating tube and the second-stage heating tube are arranged inside the shell, the first-stage heating tube is of a spiral structure, the upper end of the first-stage heating tube is communicated with a cold water inlet, the second-stage heating tube is inserted into the first-stage heating tube, and the lower end of the second-stage heating tube is communicated with a hot water outlet.
2. An electromagnetic heater assembly for a water heater as set forth in claim 1, wherein: the upper end cover of casing is equipped with the connector, the connector includes the connecting portion and the portion of intaking that link up mutually, the upper end of one-level heating tube is pegged graft in the connecting portion.
3. An electromagnetic heater assembly for a water heater as set forth in claim 1, wherein: and a flowmeter and a first thermocouple are sequentially arranged at the cold water inlet along the water flow direction.
4. An electromagnetic heater assembly for a water heater as set forth in claim 1, wherein: and a second thermocouple is arranged at the hot water outlet.
5. An electromagnetic heater assembly for a water heater as set forth in claim 4, wherein: the second thermocouple is disposed inside the lower end of the housing.
6. An electromagnetic heater assembly for a water heater as set forth in claim 1, wherein: the pitch of the first-stage heating tube is larger than or equal to the pipe diameter of the first-stage heating tube.
7. An electromagnetic heater assembly for a water heater as set forth in claim 6, wherein: the screw pitch of the first-stage heating tube is twice of the pipe diameter of the first-stage heating tube.
8. An electromagnetic heater assembly for a water heater as set forth in claim 2, wherein: the lateral wall of the upper end of the shell is provided with a connecting flange, and the connecting body is connected with the connecting flange.
9. An electromagnetic heater assembly for a water heater as set forth in claim 1, wherein: the material of one-level heating tube is stainless steel or stainless iron, the material of second grade heating tube is stainless steel.
10. An electromagnetic heater assembly for a water heater as set forth in claim 2, wherein: and a sealing ring is arranged between the connecting body and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198485.4U CN210425520U (en) | 2019-07-26 | 2019-07-26 | Electromagnetic heating body assembly for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198485.4U CN210425520U (en) | 2019-07-26 | 2019-07-26 | Electromagnetic heating body assembly for water heater |
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| Publication Number | Publication Date |
|---|---|
| CN210425520U true CN210425520U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198485.4U Active CN210425520U (en) | 2019-07-26 | 2019-07-26 | Electromagnetic heating body assembly for water heater |
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| CN (1) | CN210425520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360747A (en) * | 2019-07-26 | 2019-10-22 | 中山市乐喜电子科技有限公司 | A kind of water heater electromagnetism heating unit assembly |
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2019
- 2019-07-26 CN CN201921198485.4U patent/CN210425520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360747A (en) * | 2019-07-26 | 2019-10-22 | 中山市乐喜电子科技有限公司 | A kind of water heater electromagnetism heating unit assembly |
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