CN104990260A - Water inlet system of air energy water heater and air energy water heater with water inlet system - Google Patents
Water inlet system of air energy water heater and air energy water heater with water inlet system Download PDFInfo
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- CN104990260A CN104990260A CN201510438444.8A CN201510438444A CN104990260A CN 104990260 A CN104990260 A CN 104990260A CN 201510438444 A CN201510438444 A CN 201510438444A CN 104990260 A CN104990260 A CN 104990260A
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Abstract
The invention provides a water inlet system of an air energy water heater and the air energy water heater with the water inlet system. The water inlet system of the air energy water heater comprises a water pump, a reversing valve and a controller. The water pump is communicated with a water source. The reversing valve comprises a first connector, a second connector and a third connector, wherein the first connector, the second connector and the third connector are communicated to one another, the first connector is communicated with the water pump, the second connector is communicated with the water source, and the third connector is communicated with the air energy water heater. The controller is connected with the reversing valve and controls the first connector of the reversing valve to be communicated with the second connector or the third connector. By the adoption of the water inlet system of the air energy water heater, the situation that frequent startup and shutdown of a motor of the water pump are avoided can be guaranteed, and therefore the damage to the water pump and the motor can be avoided. The water inlet system of the air energy water heater is simple in structure, and can provide the pressured water source for the air energy water heater so as to meet the water demand of users in different regions. In addition, frequent startup and shutdown of the water pump and the motor of the air energy water heater can be avoided, so that the reliability is high, and the service life is long.
Description
Technical field
The present invention relates to technical field of water heaters, more specifically, relate to a kind of water inlet system of air-source water heater and there is its air-source water heater.
Background technology
Air-source water heater is low, environment friendly and pollution-free with its operating cost, the advantage such as round-the-clock running can become forth generation water heater after solar water heater, and in the market, air-source water heater is applied in the city of running water mostly, and in rural area and the area not having running water, the use of air-source water heater then compares limitation, and in the use procedure of air-source water heater, easily there is the problem damaging motor because of frequent start-stop motor.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of water inlet system of air-source water heater, and the water inlet system structure of this air-source water heater is simple, and reliability is high, long service life, the scope of application are wide.
The present invention also proposes a kind of air-source water heater with the water inlet system of above-mentioned air-source water heater.
The water inlet system of the air-source water heater of embodiment according to a first aspect of the present invention, comprising: water pump, and described water pump is communicated with water source; Reversal valve, described reversal valve has the first interface of mutual conducting, the second interface and the 3rd interface, and described first interface is communicated with described water pump, and described second interface is communicated with described water source, and described 3rd interface is communicated with air-source water heater; Controller, described controller is connected with described reversal valve and controls the first interface of described reversal valve and described second interface or the 3rd interface conducting.
According to the water inlet system of the air-source water heater of the embodiment of the present invention, by arranging water pump in the water inlet system of air-source water heater, controller and reversal valve, make controller can according to the duty of water inlet system, control reversal valve commutates, thus control the flow direction of water, ensure the motor infrequently start and stop of water pump, thus can avoid damaging water pump and motor, the structure of the water inlet system of this air-source water heater is simple, pressure water source can be provided for air-source water heater, meet the water demand of the user of different regions, and, the water pump of this air-source water heater and motor can avoid frequent start-stop, reliability is high, long service life.
According to one embodiment of present invention, also comprise: storage tank, described storage tank has water inlet and delivery port, and described water inlet and described 3rd orifice, described delivery port is communicated with air-source water heater.
According to one embodiment of present invention, described controller comprises pressure switch, and described pressure switch is responded to the hydraulic pressure of described storage tank and controlled the commutation of described reversal valve according to hydraulic pressure information.
According to one embodiment of present invention, described pressure switch is provided in when hydraulic pressure is less than the first predetermined value and controls described first interface and described 3rd interface conducting, controls described first interface and described second interface conducting when hydraulic pressure is greater than the second predetermined value.
According to one embodiment of present invention, described first predetermined value is 0.4MPa, and described second predetermined value is 0.6MPa.
According to one embodiment of present invention, described controller also comprises: water level switch, described water level switch to be located in described storage tank and to be communicated with described water pump, described water level switch water level in described storage tank is opened lower than controlling described water pump during precalculated position, and controls the stopping of described water pump when water level reaches precalculated position in described storage tank.
According to one embodiment of present invention, check valve is provided with between described 3rd interface and described water inlet.
According to one embodiment of present invention, water source filter is provided with between described water source and described water pump.
According to one embodiment of present invention, described reversal valve is two-bit triplet magnetic valve.
The air-source water heater of embodiment according to a second aspect of the present invention, comprises the water inlet system of the air-source water heater according to above-described embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water inlet system of air-source water heater according to the embodiment of the present invention;
Fig. 2 is the feed-forward principle figure of the water inlet system of air-source water heater according to the embodiment of the present invention;
Fig. 3 is the control procedure flow chart of the water inlet system of air-source water heater according to an embodiment of the invention.
Reference numeral:
Water inlet system 100;
Water pump 10; Motor 11; Water source 101;
Reversal valve 20; First interface 21; Second interface 22; 3rd interface 23; Check valve 231;
Pressure switch 31;
Storage tank 40; Water inlet 41; Delivery port 42;
Water source filter 50; Air-source water heater 60.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
First by reference to the accompanying drawings 1 to Fig. 3 specifically describes the water inlet system 100 of the air-source water heater of embodiment according to a first aspect of the present invention below.
Water pump 10, reversal valve 20 and controller (not shown) is comprised according to the water inlet system 100 of the air-source water heater of the embodiment of the present invention.Specifically, water pump 10 is communicated with water source 101, reversal valve 20 has first interface 21, second interface 22 and the 3rd interface 23 of mutual conducting, first interface 21 is communicated with water pump 10, second interface 22 is communicated with water source 101,3rd interface 23 is communicated with air-source water heater 60, and controller is connected with reversal valve 20 and controls the first interface 21 of reversal valve 20 and the second interface 22 or the 3rd interface 23 conducting.
In other words, the water inlet system 100 of air-source water heater forms primarily of water pump 10, reversal valve 20 and controller.Wherein, water pump 10 is connected with motor 11, reversal valve 20 has first interface 21, second interface 22 and the 3rd interface 23, when the water inlet system 100 of air-source water heater is in different duties, the first interface 21 of reversal valve 20 is communicated with one of them in the 3rd interface 23 with the second interface 22, water pump 10 is located between water source 101 with the reversal valve 20 and two ends of water pump 10 and is communicated with first interface 21 with water source 101 respectively, second interface 22 of reversal valve 20 is communicated with water source 101, and the 3rd interface 23 of reversal valve 20 is connected with air-source water heater 60.
Further, the controller of the water inlet system 100 of air-source water heater is connected with reversal valve 20 and is communicated with the second interface 22 or the 3rd interface 23 with the first interface 21 controlling reversal valve 20, particularly, the first interface 21 that controller can control reversal valve 20 is communicated with the 3rd interface 23, now, water can be flowed to air-source water heater 60 and use for the user of different regions by water pump 10, the first interface 21 that controller can also control reversal valve 20 is communicated with the second interface 22, now, water pump 10 still operates, thus avoid the frequent start-stop of water inlet system 100 motor 11 of water pump 10 in the course of the work.
Thus, according to the water inlet system 100 of the air-source water heater of the embodiment of the present invention, by arranging water pump 10 in the water inlet system 100 of air-source water heater, controller and reversal valve 20, make controller can according to the duty of water inlet system 100, control reversal valve 20 to commutate, thus control the flow direction of water, ensure the motor 11 infrequently start and stop of water pump 10, thus can avoid damaging water pump 10 and motor 11, the structure of the water inlet system 100 of this air-source water heater is simple, pressure water source can be provided for air-source water heater 60, meet the water demand of the user of different regions, and, water pump 10 and the motor 11 of the water inlet system 100 of this air-source water heater can avoid frequent start-stop, reliability is high, long service life.
As shown in Figure 1, according to one embodiment of present invention, the water inlet system 100 of air-source water heater also comprises storage tank 40, and storage tank 40 has water inlet 41 and delivery port 42, and water inlet 41 is communicated with the 3rd interface 23, and delivery port 42 is communicated with air-source water heater 60.
That is, storage tank 40 is located between reversal valve 20 and air-source water heater 60, wherein, the water inlet 41 of storage tank 40 is communicated with the 3rd interface 23 of reversal valve 20, and the delivery port 42 of storage tank 40 is communicated with air-source water heater 60, when the first interface 21 that controller controls reversal valve 20 is communicated with the 3rd interface 23, water can be transferred in storage tank 40 by water pump 10, thus provide pressure water source for air-source water heater 60, meet the water demand of the user of different regions.
Wherein, according to one embodiment of present invention, controller comprises pressure switch 31, and pressure switch 31 is responded to the hydraulic pressure of storage tank 40 and commutated according to hydraulic pressure information control reversal valve 20.
Alternatively, as depicted in figs. 1 and 2, pressure switch 31 is located on storage tank 40, pressure switch 31 can respond to the hydraulic pressure in storage tank 40, then be transferred in controller by the hydraulic signal sensed, controller can judge the hydraulic pressure sensed, controls reversal valve 20 further and commutates.
In detailed description of the invention more of the present invention, pressure switch 31 is provided in when hydraulic pressure is less than the first predetermined value and controls first interface 21 and the 3rd interface 23 conducting, controls first interface 21 and the second interface 22 conducting when hydraulic pressure is greater than the second predetermined value.In other words, when the hydraulic pressure of the storage tank 40 that pressure switch 31 is responded to is less than the first preset value, the first interface 21 of reversal valve 20 is communicated with the 3rd interface 23, water pump 10 can continue water-filling in storage tank 40, thus the water level of storage tank 40 is raised, hydraulic pressure increases, ensure that storage tank 40 can provide pressure water source for air-source water heater 60, when the hydraulic pressure of the storage tank 40 that pressure switch 31 is responded to is greater than the second predetermined value, the first interface 21 of reversal valve 20 is communicated with the second interface 22, water pump 10 can not to storage tank 40 water-filling, but now water pump 10 still remains in operation.
By pressure switch 31 feedback pressure signal, thus make controller control the action of reversal valve 20, water pump 10 is made to carry water to storage tank 40 or water is transmitted back to water source 101, namely pressure switch 31 and reversal valve 20 can control the flow direction of water, ensure water pump 10 and motor 11 infrequently start and stop, thus can avoid being damaged because of water pump 10 and motor 11 frequent start-stop, the structure of the water inlet system 100 of this air-source water heater is simple, and reliability is high, long service life.
Particularly, as shown in Figure 3, in a concrete example of the present invention, the first predetermined value is 0.4MPa, and the second predetermined value is 0.6MPa.Namely pressure switch 31 is provided in when hydraulic pressure is less than 0.4MPa and controls first interface 21 and the 3rd interface 23 conducting, controls first interface 21 and the second interface 22 conducting when hydraulic pressure is greater than 0.6MPa.
Further, controller also comprises water level switch (not shown), water level switch to be located in storage tank 40 and to be communicated with water pump 10, water level switch water level in storage tank 40 is opened lower than controlling water pump 10 during precalculated position, and controls water pump 10 when water level reaches precalculated position in storage tank 40 and stop.
That is, controller is primarily of pressure switch 31 and water level switch composition, wherein, pressure switch 31 is located on storage tank 40, water level switch is located in storage tank 40, and when the water level in storage tank 40 reaches precalculated position, water level switch can control water pump 10 and shut down, when the water level in storage tank 40 is lower than precalculated position, water level switch can control water pump 10 and open.
Particularly, as shown in Figure 3, air-source water heater 60 is when opening, first system detects the water level of storage tank 40, if when the water level of storage tank 40 is higher than precalculated position, now water level switch is in opening, water pump 10 is not opened, and namely water pump 10 is in stopped status; If when the water level of storage tank 40 is lower than precalculated position, now, water pump 10 is opened, and the pressure switch 31 of storage tank 40 is responded to the hydraulic pressure of storage tank 40 and commutated according to hydraulic pressure information control reversal valve 20.
Further, if when the hydraulic pressure of the storage tank 40 that pressure switch 31 is responded to is less than 0.4MPa, the first interface 21 of reversal valve 20 is communicated with the 3rd interface 23, water pump 10 can to water-filling in storage tank 40, thus the water level of storage tank 40 is raised, hydraulic pressure increases, and ensures that storage tank 40 can provide pressure water source for air-source water heater 60; If when the hydraulic pressure of the storage tank 40 that pressure switch 31 is responded to is less than 0.6MPa, the first interface 21 of reversal valve 20 is communicated with the 3rd interface 23, and water pump 10 still can to water-filling in storage tank 40, thus make the water level of storage tank 40 raise, hydraulic pressure increases; If when the hydraulic pressure of storage tank 40 that pressure switch 31 is responded to is greater than 0.6MPa, the first interface 21 of reversal valve 20 is communicated with the second interface 22, water pump 10 can not to storage tank 40 water-filling, but now water pump 10 still remains in operation.
Thus, by arranging pressure switch 31 and water level switch in the water inlet system 100 of air-source water heater, make pressure switch 31 and water level switch can according to the water-filling situation in storage tank 40, control the flow direction of water and the start and stop of water pump 10, thus water pump 10 and motor 11 can be avoided to be damaged because of frequent start-stop, the structure of the water inlet system 100 of this air-source water heater is simple, and reliability is high, long service life.
In addition, as shown in Figure 1, according to one embodiment of present invention, check valve 231 is provided with between the 3rd interface 23 and water inlet 41.By arranging check valve 231 between the 3rd interface 23 and water inlet 41, make water between water source 101 and storage tank 40 can only one-way flow, namely the water in storage tank 40 can not be back in water source 101, thus effectively can reduce crushing, make the water inlet system 100 of this air-source water heater can provide pressure water source for air-source water heater 60.
Wherein, according to one embodiment of present invention, water source filter 50 is provided with between water source 101 and water pump 10.Thus, water source filter 50 can carry out filtration treatment to water source 101 (underground water in such as rural area), improves the use water quality of user, thus meets the water demand of the user of different regions.
Alternatively, according to one embodiment of present invention, reversal valve 20 is two-bit triplet magnetic valve.This two-position three-way valve not only structure is simple, and the functional requirement of water inlet system 100 can be met, namely by pressure signal that pressure switch 31 is fed back, controller is made to control the action of two-position three-way valve, thus make water inlet system 100 under different conditions, different water route can be realized exchange, even if water pump 10 can be carried water to storage tank 40 or water is transmitted back to water source 101, ensure water pump 10 and motor 11 infrequently start and stop, improve the service life of this water pump 10 and motor 11.
It should be noted that, controller can be control chip (such as single-chip microcomputer), the control program of pressure switch 31 and water level switch is integrated in control chip respectively, when pressure switch 31 and water level switch collect hydraulic pressure information, the water level information of storage tank 40, can by Signal transmissions to control chip, then control chip carries out judgement process to signal, thus control reversal valve 20 and water pump 10, motor 11 action, for air-source water heater 60 provides pressure water source, meet the water demand of the user of different regions.
The air-source water heater 60 of embodiment according to a second aspect of the present invention, comprises the water inlet system 100 according to the air-source water heater of above-described embodiment.Because the water inlet system 100 of the air-source water heater according to the embodiment of the present invention has above-mentioned technique effect, therefore, air-source water heater 60 according to the embodiment of the present application also has above-mentioned technique effect, namely the structure of this air-source water heater 60 is simple, the water inlet system 100 of air-source water heater can provide pressure water source 101 for air-source water heater 60, thus expand the scope of application of air-source water heater 60, and the water pump 10 of this air-source water heater 60, motor 11 can avoid frequent start-stop, reliability is high, long service life.
According to the air-source water heater 60 of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a water inlet system for air-source water heater, is characterized in that, comprising:
Water pump, described water pump is communicated with water source;
Reversal valve, described reversal valve has the first interface of mutual conducting, the second interface and the 3rd interface, and described first interface is communicated with described water pump, and described second interface is communicated with described water source, and described 3rd interface is communicated with air-source water heater;
Controller, described controller is connected with described reversal valve and controls the first interface of described reversal valve and described second interface or the 3rd interface conducting.
2. the water inlet system of air-source water heater according to claim 1, is characterized in that, also comprises: storage tank, and described storage tank has water inlet and delivery port, and described water inlet and described 3rd orifice, described delivery port is communicated with air-source water heater.
3. the water inlet system of air-source water heater according to claim 2, is characterized in that, described controller comprises pressure switch, and described pressure switch is responded to the hydraulic pressure of described storage tank and controlled the commutation of described reversal valve according to hydraulic pressure information.
4. the water inlet system of air-source water heater according to claim 3, it is characterized in that, described pressure switch is provided in when hydraulic pressure is less than the first predetermined value and controls described first interface and described 3rd interface conducting, controls described first interface and described second interface conducting when hydraulic pressure is greater than the second predetermined value.
5. the water inlet system of air-source water heater according to claim 4, is characterized in that, described first predetermined value is 0.4MPa, and described second predetermined value is 0.6MPa.
6. the water inlet system of air-source water heater according to claim 2, it is characterized in that, described controller also comprises: water level switch, described water level switch to be located in described storage tank and to be communicated with described water pump, described water level switch water level in described storage tank is opened lower than controlling described water pump during precalculated position, and controls the stopping of described water pump when water level reaches precalculated position in described storage tank.
7. the water inlet system of air-source water heater according to claim 2, is characterized in that, is provided with check valve between described 3rd interface and described water inlet.
8. the water inlet system of the air-source water heater according to any one of claim 1-7, is characterized in that, is provided with water source filter between described water source and described water pump.
9. the water inlet system of the air-source water heater according to any one of claim 1-7, is characterized in that, described reversal valve is two-bit triplet magnetic valve.
10. an air-source water heater, is characterized in that, comprises the water inlet system of the air-source water heater according to any one of claim 1-9.
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CN201510438444.8A CN104990260B (en) | 2015-07-22 | 2015-07-22 | The water inlet system of air-source water heater and there is its air-source water heater |
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CN201510438444.8A CN104990260B (en) | 2015-07-22 | 2015-07-22 | The water inlet system of air-source water heater and there is its air-source water heater |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111595609A (en) * | 2020-06-19 | 2020-08-28 | 中国计量科学研究院 | Respiratory rhythm generating device, detection system with same and detection method |
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US5495723A (en) * | 1994-10-13 | 1996-03-05 | Macdonald; Kenneth | Convertible air conditioning unit usable as water heater |
CN2881440Y (en) * | 2006-02-27 | 2007-03-21 | 黄道德 | Airsource heat pump water heater |
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