CN112268372A - Pressurization control method of water heater and water heater - Google Patents
Pressurization control method of water heater and water heater Download PDFInfo
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- CN112268372A CN112268372A CN202011145511.4A CN202011145511A CN112268372A CN 112268372 A CN112268372 A CN 112268372A CN 202011145511 A CN202011145511 A CN 202011145511A CN 112268372 A CN112268372 A CN 112268372A
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- pressure
- water heater
- pressurization
- inner container
- pressure value
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
Abstract
The invention discloses a pressurization control method of a water heater, which comprises the following steps: a detection step: when a starting instruction of the water heater is received, detecting the current pressure value of the inner container; a judging step: judging whether the pressure value meets the pressurization condition or not according to the detected pressure value; an adjusting step: if the pressure value meets the pressurization condition, adjusting the current pressure value to a target pressure threshold value; a pressurization step: and carrying out water heater pressurization according to the adjusted target pressure threshold value. A water heater is also disclosed. According to the pressurization control method of the water heater, under the condition that the water inlet pressure is low, the water heater increases the pressure of the inner container through temperature control, so that the water discharging pressure of the water heater is increased, and after the water inlet pressure reaches a certain pressure value, the pressure of the inner container is not increased along with the rise of the temperature, so that the problem that the water heater can be normally used under the condition that the water inlet pressure is low is solved, and the daily requirements of users are met.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater and a pressurization control method thereof.
Background
The water storage type electric water heater is a relatively common water heater product, the drainage pressure of the currently used water storage type water heater basically depends on the water inlet pressure, so that the drainage pressure cannot be met in many areas due to the fact that the water inlet pressure is low, and the water storage type electric water heater cannot be used.
In order to better meet the use requirements of customers, a new water storage type electric water heater needs to be designed to meet the requirement on the drainage pressure during use and be convenient for daily use.
Disclosure of Invention
The invention aims to provide a pressurization control method of a water heater and the water heater, and aims to solve the technical problem that a water storage type water heater cannot be used due to low water inlet pressure in the background technology.
In order to achieve the purpose, the specific technical scheme of the water heater and the pressurization control method thereof is as follows:
a pressurization control method of a water heater comprises the following steps:
a detection step: when a starting instruction of the water heater is received, detecting the current pressure value of the inner container;
a judging step: judging whether the pressure value meets the pressurization condition or not according to the detected pressure value;
an adjusting step: if the pressure value meets the pressurization condition, adjusting the current pressure value to a target pressure threshold value;
a pressurization step: and carrying out water heater pressurization according to the adjusted target pressure threshold value.
Further, the judging step specifically includes: comparing the current pressure value of the inner container with a preset pressure threshold value; if the pressure value of the current inner container is smaller than a preset pressure threshold value, the pressurization condition is met; and if the pressure value of the current inner container is not less than the preset pressure threshold value, the pressurization condition is not met.
Further, the judging step further comprises: acquiring the temperature of water in the liner; and judging that the temperature of the water in the inner container is not less than a preset temperature threshold value and meets a pressurization condition.
Further, the step of pressurizing specifically comprises: and acquiring the pressure value of the inner container to be increased continuously, detecting the pressure value in the inner container in real time, comparing the detected pressure value of the inner container with a pressure threshold value, judging whether the inner container in the water heater needs to be pressurized continuously, and if the pressure value of the inner container is not less than the pressure threshold value, finishing pressurization.
The utility model provides a water heater, includes the casing, is provided with the inner bag in the casing, is provided with temperature control device on the inner bag, and the temperature control device electricity is connected with the controller, and the inner bag intercommunication has inlet tube and outlet pipe, and inlet tube one side is provided with supercharging device to the controller control supercharging device, make the pressure value of the inner bag that temperature control device detected not less than the pressure threshold value.
Furthermore, supercharging device includes the booster pump, and the booster pump setting is on the inlet tube for the rivers pressure of control inlet tube, one side of inlet tube is provided with the check valve, is used for controlling the hot water in the booster pump stop work back inner bag and flows backwards toward the water inlet.
Further, the controller is electrically connected with a judging device for judging whether the pressure value of the current inner container meets the pressurization condition or not according to the pressure value of the current inner container.
Further, the temperature control device comprises a temperature sensor and a pressure sensor, the temperature sensor is used for detecting the temperature of water in the inner container, and the pressure sensor is used for detecting the pressure value in the inner container.
Further, the controller is electrically connected with a comparison device and used for comparing the magnitude relation between the real-time pressure value and the pressure threshold value; and comparing the magnitude relation of the real-time temperature value and the temperature threshold value.
Further, the pressure threshold is set to be 2Mpa to 6 Mpa; the temperature threshold is set to 40 ℃ to 60 ℃.
The pressurization control method of the water heater and the water heater have the following advantages that:
according to the pressurization control method of the water heater, the pressure value of water in the inner container is detected through the pressure sensor and fed back to the temperature control device, and whether pressurization is carried out or not is judged according to the pressure value obtained by the temperature control device. Under the condition that the water inlet pressure is small, the water heater increases the pressure of the inner container through temperature control, so that the water discharging pressure of the water heater is increased, and after a certain pressure value is reached, the pressure of the inner container is not increased along with the rise of the temperature, so that the problem that the water heater can be normally used under the condition that the water inlet pressure is small is solved, and the daily requirement of a user is met.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a flow chart of a pressurization control method of a water heater of the present invention;
fig. 2 is a schematic structural diagram of the water heater of the present invention.
The reference numbers in the figures illustrate: 1. a housing; 2. a temperature control device; 3. a water outlet; 4. a pressure boosting device; 5. a water inlet; 6. a one-way valve; 7. a booster pump.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The water heater pressurization control method provided by the embodiment of the invention is suitable for a pressurization control method of a water storage type water heater, wherein the water storage type electric water heater is a fixed appliance for heating water, can store hot water for a long time or temporarily, and is provided with a device for controlling or limiting the water temperature.
Fig. 1 schematically shows a flow chart of a pressurization control method of a water heater according to an embodiment of the present invention. Referring to fig. 1, the method for controlling boost pressure of a water heater according to the embodiment of the present invention specifically includes steps S11 to S14, as follows:
s11, detecting the pressure value of the current inner container when a water heater starting instruction is received;
the water heater that this embodiment provided is that the water pressure of intaking of water storage formula water heater water inlet 5 department is low excessively, can cause unable water storage, and then has no way to heat the water in the inner bag, and this embodiment only carries out pressure boost control to water storage formula water heater.
In this embodiment, after receiving a start instruction of the water heater, the user generally operates the control panel to complete the operation, and first, the pressure of the inner container in the water heater is detected to obtain a real-time pressure value of the inner container in the water heater, the obtained real-time pressure value of the inner container is compared with a preset pressure threshold, and step S12 is continuously executed according to the comparison structure.
S12, judging whether the supercharging condition is met according to the detected pressure value;
the pressurization condition specifically comprises a preset pressure threshold value and a current pressure value of the inner container, and if the current pressure value of the inner container is smaller than the preset pressure threshold value, the pressurization condition is met; and if the pressure value of the current inner container is not less than the preset pressure threshold value, the pressurization condition is not met.
If the pressure increasing condition is not met, the pressure value of the current inner container does not need to be adjusted, the pressure value of the current inner container is proved to be in accordance with the pressure threshold value, the water feeding condition is met, and the water heater can be normally used.
And S13, if the pressure value meets the pressurization condition, adjusting the current pressure value to a target pressure threshold value.
If the current pressure value of the inner container is smaller than a preset pressure threshold value, acquiring the temperature of water in the inner container;
the supercharging conditions further include: and adjusting the current pressure value to a target pressure threshold value when the temperature of the water in the inner container is not less than a preset temperature threshold value.
And if the temperature of the water in the inner container is less than the preset temperature threshold value, the current pressure value of the inner container is not adjusted.
And S14, performing water heater pressurization according to the adjusted target pressure threshold value.
If the pressure increasing condition is met, namely when the pressure value and the temperature of the inner container both meet the adjusting condition, the water heater is pressurized until the pressure value in the inner container meets the target pressure threshold.
When the inner container of the water heater is pressurized, the pressure value in the inner container is detected at any time along with the continuous increase of the pressure value of the inner container, and whether the inner container in the water heater needs to be pressurized continuously or not is judged according to the continuous comparison of the detected pressure value in the inner container and the pressure threshold value. The pressure value in the inner container needs to be continuously judged to be compared with a preset pressure threshold value so as to judge whether pressurization is finished or not.
After the pressurization is finished, the pressure value is cleared to 0 in the routine, and after the drainage is finished, the step S11 is continuously executed again.
Specifically, the pressure threshold is set to be 2Mpa to 6 Mpa; the temperature threshold is set to 40 ℃ to 60 ℃.
When the pressure value of the detected inner container is not less than the pressure threshold value, namely the pressurization is finished, after the pressurization process is finished, the water feeding and the drainage of the water heater are carried out, so that the water heater can be used under the normal water pressure condition, the interference of the external environment is avoided, the water demand of a user is met, and the daily use problem of water feeding and drainage of the water storage type water heater is effectively solved.
The water heater pressurization control method provided by the invention optimizes the pressurization control logic of the water storage type water heater, can dynamically adjust the pressure value of the inner container through the logic no matter what the external water pressure is, ensures that the normal use of the water storage type water heater can be ensured no matter how the environment changes, and effectively improves the market competitiveness of products.
Fig. 2 schematically shows a schematic structural diagram of a water heater according to an embodiment of the present invention.
The water heater provided by the invention comprises a shell 1, wherein an inner container is arranged in the shell 1, a temperature control device 2 is arranged on the inner container, the temperature control device 2 is electrically connected with a controller, the inner container is communicated with a water inlet pipe and a water outlet pipe, and a pressurizing device 4 is arranged on one side of the water inlet pipe, so that the controller controls the pressurizing device 4, and the pressure value of the inner container detected by the temperature control device 2 is not less than a pressure threshold value.
The controller is electrically connected with a judging device for judging whether the pressure value of the current inner container meets the pressurization condition or not according to the pressure value of the current inner container.
The temperature control device 2 comprises a temperature sensor and a pressure sensor, the temperature sensor is used for detecting the temperature of water in the inner container, and the pressure sensor is used for detecting the pressure value in the inner container.
After the water heater is started, firstly, detecting the pressure value of the water heater liner through the pressure sensor, transmitting the detected pressure value to the temperature control device 2, and judging whether the water heater liner needs to be pressurized through the temperature control device 2; after the electric heater is started, the pressure sensor senses that different pressure values are transmitted to the temperature control device 2.
Then, after the temperature control device 2 receives the pressure value transmitted by the pressure gauge, the pressure threshold value set by the temperature control device 2 is compared with the detected pressure value, the detected pressure value is not less than the pressure threshold value of the temperature control device 2, the temperature control device 2 transmits a stop instruction to the supercharging device 4, and the supercharging device 4 does not work.
If the pressure value obtained by the sensor is smaller than the pressure threshold value set by the temperature control device 2, the temperature control device 2 transmits a pressurization instruction and an increased pressure value to the pressurization device 4; the premise that the temperature control device 2 transmits a supercharging instruction to the supercharging device 4 is as follows: the temperature control device 2 needs to detect the temperature of water in the liner of the water heater, and the temperature control device 2 can transmit a pressurization instruction to the pressurization device 4 only after the water temperature reaches a temperature threshold value set by the temperature control device 2; the pressure value delivered by the temperature control device 2 to the pressure boost device 4 increases with increasing temperature until the delivered pressure value increases to the device set pressure threshold value, and the temperature control device 2 will not deliver any more boost information.
Finally, after the supercharging device 4 receives the instruction transmitted by the temperature control device 2, the supercharging device 4 starts to work, the device is supercharged according to the received pressure value, the water pressure value of the inner container can be gradually increased along with the continuous supercharging of the inner container of the water heater by the supercharging device 4, meanwhile, each sensed pressure value can be continuously transmitted to the temperature control device 2 by the pressure sensor, and the temperature control device 2 can compare and judge each received pressure value with the set pressure value to judge whether the inner container of the water heater needs to be continuously supercharged or not.
In an embodiment of the invention, the device further comprises a comparison device, not shown in the drawings, for comparing the real-time pressure value with the pressure threshold value.
According to the pressurization control method of the water heater, the pressure value of water in the inner container is detected through the pressure sensor and fed back to the temperature control device 2, and whether pressurization is carried out or not is judged according to the pressure value obtained by the temperature control device 2. Under the condition that the water inlet pressure is small, the water heater increases the pressure of the inner container through temperature control, so that the water discharging pressure of the water heater is increased, and after a certain pressure value is reached, the pressure of the inner container is not increased along with the rise of the temperature, so that the problem that the water heater can be normally used under the condition that the water inlet pressure is small is solved, and the daily requirement of a user is met.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A pressurization control method of a water heater is characterized by comprising the following steps:
a detection step: when a starting instruction of the water heater is received, detecting the current pressure value of the inner container;
a judging step: judging whether the pressure value meets the pressurization condition or not according to the detected pressure value;
an adjusting step: if the pressure value meets the pressurization condition, adjusting the current pressure value to a target pressure threshold value;
a pressurization step: and carrying out water heater pressurization according to the adjusted target pressure threshold value.
2. The pressurization control method of a water heater according to claim 1, wherein the judging step specifically comprises: comparing the current pressure value of the inner container with a preset pressure threshold value; if the pressure value of the current inner container is smaller than a preset pressure threshold value, the pressurization condition is met; and if the pressure value of the current inner container is not less than the preset pressure threshold value, the pressurization condition is not met.
3. The pressurization control method of a water heater according to claim 2, wherein the judging step further comprises: acquiring the temperature of water in the liner; and judging that the temperature of the water in the inner container is not less than a preset temperature threshold value and meets a pressurization condition.
4. The pressurization control method of the water heater according to claim 1, wherein the pressurization step specifically comprises: and acquiring the pressure value of the inner container to be increased continuously, detecting the pressure value in the inner container in real time, comparing the detected pressure value of the inner container with a pressure threshold value, judging whether the inner container in the water heater needs to be pressurized continuously, and if the pressure value of the inner container is not less than the pressure threshold value, finishing pressurization.
5. The utility model provides a water heater, its characterized in that, includes casing (1), is provided with the inner bag in casing (1), is provided with temperature control device (2) on the inner bag, and temperature control device (2) electricity is connected with the controller, and the inner bag intercommunication has inlet tube and outlet pipe, and inlet tube one side is provided with supercharging device (4) to controller control supercharging device (4) makes the pressure value of the inner bag that temperature control device (2) detected not less than the pressure threshold value.
6. The water heater according to claim 5, characterized in that the pressurizing device (4) comprises a pressurizing pump (7), the pressurizing pump (7) is arranged on the water inlet pipe and used for controlling the water flow pressure of the water inlet pipe, and a one-way valve (6) is arranged on one side of the water inlet pipe and used for controlling the hot water in the inner container to flow back to the water inlet (5) after the pressurizing pump (7) stops working.
7. The water heater of claim 5, wherein the controller is electrically connected with a judging device for judging whether the pressurization condition is satisfied according to the current pressure value of the inner container.
8. The water heater according to claim 5, characterized in that the temperature control device (2) comprises a temperature sensor and a pressure sensor, the temperature sensor is used for detecting the temperature of the water in the liner, and the pressure sensor is used for detecting the pressure value in the liner.
9. The water heater of claim 8, wherein the controller is electrically connected to a comparison device for comparing the real-time pressure value to a pressure threshold value; and comparing the magnitude relation of the real-time temperature value and the temperature threshold value.
10. The water heater of claim 9, wherein the pressure threshold is set at 2Mpa to 6 Mpa; the temperature threshold is set to 40 ℃ to 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145511.4A CN112268372A (en) | 2020-10-23 | 2020-10-23 | Pressurization control method of water heater and water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011145511.4A CN112268372A (en) | 2020-10-23 | 2020-10-23 | Pressurization control method of water heater and water heater |
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| CN112268372A true CN112268372A (en) | 2021-01-26 |
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| CN202011145511.4A Pending CN112268372A (en) | 2020-10-23 | 2020-10-23 | Pressurization control method of water heater and water heater |
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Application publication date: 20210126 |
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