CN221098974U - Constant temperature electric water heater - Google Patents
Constant temperature electric water heater Download PDFInfo
- Publication number
- CN221098974U CN221098974U CN202322558735.3U CN202322558735U CN221098974U CN 221098974 U CN221098974 U CN 221098974U CN 202322558735 U CN202322558735 U CN 202322558735U CN 221098974 U CN221098974 U CN 221098974U
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- outlet pipe
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000005485 electric heating Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model discloses a constant-temperature electric water heater which comprises a shell, a heating body, a controller, a switch unit, an electric proportional valve, a water inlet pipe and a water outlet pipe, wherein the heating body, the controller, the switch unit, the electric proportional valve, the water inlet pipe and the water outlet pipe are respectively arranged in the shell, an electric heating part is arranged on the heating body, the water inlet pipe and the water outlet pipe are respectively communicated with the heating body, the electric proportional valve is arranged on the water inlet pipe to control the water inflow of cold water, a temperature sensor is arranged on the water outlet pipe to detect the water outlet temperature, the temperature sensor is electrically connected with the input end of the controller, the output end of the controller is respectively electrically connected with one end of the switch unit and the electric proportional valve, and the other end of the switch unit is electrically connected with the electric heating part.
Description
Technical Field
The utility model relates to the technical field of electric water heaters, in particular to a constant-temperature electric water heater and a street lamp.
Background
The actual water outlet temperature and the set temperature monitored by the water outlet probe are compared in real time through electric control, so that an electric control relay switch is controlled, and the on-off operation of a heating wire is controlled to adjust the water temperature. However, the electric water heater only controls electric heating, the temperature of the water tank generally does not reach the set temperature immediately due to certain thermal inertia of the change of the water temperature, obvious hysteresis exists, and the water temperature of the water tank also fluctuates along with the consumption of hot water and the replenishment of cold water in use. Therefore, in order to better adjust the temperature, the water temperature of the user side is mainly adjusted through a group of cold and hot water taps at present, but the mechanical tap needs the user to actively go to the knob, so that the intelligent and convenient operation is not realized.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art and provides a constant-temperature electric water heater with convenient and quick automatic temperature adjustment.
The constant-temperature electric water heater comprises a shell, a heating body, a controller, a switch unit, an electric proportional valve, a water inlet pipe and a water outlet pipe, wherein the heating body, the controller, the switch unit, the electric proportional valve, the water inlet pipe and the water outlet pipe are respectively arranged in the shell, an electric heating part is arranged on the heating body, the water inlet pipe and the water outlet pipe are respectively communicated with the heating body, the electric proportional valve is arranged on the water inlet pipe to control the water inflow of cold water, a temperature sensor is arranged on the water outlet pipe to detect the water outlet temperature, the temperature sensor is electrically connected with the input end of the controller, the output end of the controller is respectively electrically connected with one end of the switch unit and the electric proportional valve, and the other end of the switch unit is electrically connected with the electric heating part.
According to the constant-temperature electric water heater provided by the embodiment of the utility model, the electric heating element is a plurality of groups of mutually independent electric heating wires wound on the heating element.
According to the constant-temperature electric water heater provided by the embodiment of the utility model, the switch unit is a plurality of relays, and the plurality of relays are electrically connected with a plurality of groups of electric heating wires in a one-to-one correspondence manner.
According to the constant-temperature electric water heater provided by the embodiment of the utility model, the switch unit and the controller are integrated on one circuit board.
According to the constant-temperature electric water heater provided by the embodiment of the utility model, the heating element and the circuit board are positioned at the upper part of the shell, the bottom of the shell is provided with the first opening and the second opening, the water inlet pipe extends into the shell through the first opening, and the water outlet pipe extends into the shell through the second opening.
According to the constant-temperature electric water heater provided by the embodiment of the utility model, the temperature control unit comprises a temperature sensor and a temperature detection probe electrically connected with the temperature sensor, the temperature sensor is arranged on the outer wall of the water outlet pipe, a through hole is arranged on the water outlet pipe, and the temperature detection probe extends into the water outlet pipe through the through hole.
According to the embodiment of the utility model, the constant-temperature electric water heater further comprises a water pressure gauge, the port of the water outlet pipe is connected with a three-way valve, the detection end of the water pressure gauge extends into the reversing port of the three-way valve to detect water pressure, and the gauge head of the water pressure gauge is arranged outside the shell.
The constant-temperature electric water heater provided by the embodiment of the utility model has at least the following beneficial effects: the temperature control unit detects the water outlet temperature, when the water outlet temperature is lower than the set temperature, the controller can select the control switch unit to control the heating degree of the electric heating element, and can also control the electric proportional valve to reduce the flow of cold water entering the heating element, so that the water outlet temperature is regulated, the heating degree of the electric heating element and the flow of cold water can be simultaneously controlled, the water outlet temperature is quickly regulated, the water outlet temperature is more in accordance with the set temperature, and the automatic control is realized, so that the water outlet temperature is convenient and quick.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The following describes the embodiments of the present utility model further with reference to the drawings;
Fig. 1 is a sectional structural view of a constant temperature electric water heater.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Referring to fig. 1, a constant temperature electric water heater of the present utility model, a casing 10, and a heating body 11, a controller 12, a switch unit 13, an electric proportional valve 14, a water inlet pipe 21 and a water outlet pipe 22 which are respectively arranged in the casing 10, wherein an electric heating element is arranged on the heating body 11, the water inlet pipe 21 and the water outlet pipe 22 are respectively communicated with the heating body 11, the electric proportional valve 14 is arranged on the water inlet pipe 21 to control the water inlet amount of cold water, a temperature control unit is arranged on the water outlet pipe 22 to detect the water outlet temperature, the temperature control unit is electrically connected with the input end of the controller 12, the output end of the controller 12 is respectively electrically connected with one end of the switch unit 13 and the electric proportional valve 14, and the other end of the switch unit 13 is electrically connected with the electric heating element; the temperature control unit comprises a temperature sensor 15 and a temperature detection probe 16 electrically connected with the temperature sensor 15, wherein the temperature sensor 15 is arranged on the outer wall of the water outlet pipe 22, a through hole is arranged on the water outlet pipe 22, and the temperature detection probe 16 extends into the water outlet pipe 22 through the through hole so as to monitor the water outlet temperature in real time.
The temperature control unit detects the water outlet temperature, when the water outlet temperature is lower than the set temperature, the controller 12 can selectively control the switch unit 13 to control the heating degree of the electric heating element, and can also control the electric proportional valve 14 to reduce the flow of cold water entering the heating element 11, so as to adjust the water outlet temperature, and can also simultaneously control the heating degree of the electric heating element and the flow of cold water, so that the water outlet temperature is more consistent with the set temperature, and the automatic control is realized, and the water outlet temperature is convenient and quick.
In some embodiments, the electric heating element is a plurality of groups of mutually independent electric heating wires wound on the heating element 11, the switch unit 13 is a plurality of relays, the plurality of relays are electrically connected with the plurality of groups of electric heating wires in a one-to-one correspondence manner, when the detected water outlet temperature is higher than the set temperature, the controller 12 can control at least one of the plurality of relays to be turned off so as to reduce the electric heating power, and when the detected water outlet temperature is lower than the set temperature, the controller 12 can control to increase the on of at least one relay so as to increase the electric heating power.
As shown in fig. 1, the switch unit 13 and the controller 12 are integrated on one circuit board, the heating body 11 and the circuit board are located at the upper part of the housing 10, the bottom of the housing 10 is provided with a first opening and a second opening, the water inlet pipe 21 extends into the housing 10 through the first opening, and the water outlet pipe 22 extends into the housing 10 through the second opening, so that the structure is compact and the assembly is convenient.
In some embodiments, the water pressure meter 17 is further included, the port of the water outlet pipe 22 is connected with the three-way valve 18, the detection end of the water pressure meter 17 extends into the reversing port of the three-way valve 18 to detect the water pressure, and the gauge head of the water pressure meter 17 is arranged outside the shell 10, so that a user can conveniently read the water pressure data.
It will be readily appreciated by those skilled in the art that the above preferred modes can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (7)
1. A constant temperature electric water heater, comprising:
The electric heating device comprises a shell (10) and a heating body (11), a controller (12), a switch unit (13), an electric proportional valve (14), a water inlet pipe (21) and a water outlet pipe (22) which are respectively arranged in the shell (10), wherein an electric heating element is arranged on the heating body (11), the water inlet pipe (21) and the water outlet pipe (22) are respectively communicated with the heating body (11), the electric proportional valve (14) is arranged on the water inlet pipe (21) to control the water inflow of cold water, a temperature control unit is arranged on the water outlet pipe (22) to detect the water temperature, the temperature control unit is electrically connected with the input end of the controller (12), the output end of the controller (12) is respectively electrically connected with one end of the switch unit (13) and the electric proportional valve (14), and the other end of the switch unit (13) is electrically connected with the electric heating element.
2. The constant temperature electric water heater according to claim 1, wherein: the electric heating part is a plurality of groups of mutually independent electric heating wires wound on the heating body (11).
3. The constant temperature electric water heater according to claim 2, wherein: the switch unit (13) is a plurality of relays, and the plurality of relays are electrically connected with the plurality of groups of electric heating wires in a one-to-one correspondence manner.
4. A thermostatic electric water heater according to claim 3, wherein: the switching unit (13) and the controller (12) are integrated on a circuit board.
5. The constant temperature electric water heater according to claim 4, wherein: the heating body (11) and the circuit board are located on the upper portion of the shell (10), a first opening and a second opening are formed in the bottom of the shell (10), the water inlet pipe (21) extends to the inside of the shell (10) through the first opening, and the water outlet pipe (22) extends to the inside of the shell (10) through the second opening.
6. The constant temperature electric water heater according to claim 1, wherein: the temperature control unit comprises a temperature sensor (15) and a temperature detection probe (16) electrically connected with the temperature sensor (15), the temperature sensor (15) is arranged on the outer wall of the water outlet pipe (22), a through hole is formed in the water outlet pipe (22), and the temperature detection probe (16) extends into the water outlet pipe (22) through the through hole.
7. The constant temperature electric water heater according to claim 1, wherein: still include water pressure gauge (17), the port of outlet pipe (22) is connected with three-way valve (18), the detection end of water pressure gauge (17) extends to in the switching-over mouth of three-way valve (18) in order to detect water pressure, the gauge outfit of water pressure gauge (17) sets up the outside of shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558735.3U CN221098974U (en) | 2023-09-19 | 2023-09-19 | Constant temperature electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558735.3U CN221098974U (en) | 2023-09-19 | 2023-09-19 | Constant temperature electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221098974U true CN221098974U (en) | 2024-06-07 |
Family
ID=91303423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322558735.3U Active CN221098974U (en) | 2023-09-19 | 2023-09-19 | Constant temperature electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221098974U (en) |
-
2023
- 2023-09-19 CN CN202322558735.3U patent/CN221098974U/en active Active
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