CN206330290U - Heat pump water-heating machine water circuit system - Google Patents
Heat pump water-heating machine water circuit system Download PDFInfo
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- CN206330290U CN206330290U CN201621276694.2U CN201621276694U CN206330290U CN 206330290 U CN206330290 U CN 206330290U CN 201621276694 U CN201621276694 U CN 201621276694U CN 206330290 U CN206330290 U CN 206330290U
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Abstract
A kind of heat pump water-heating machine water circuit system includes source pump, water storage device, including water inlet of hot water and cold water delivery port；And switching valve, including water inlet end, water side, bypass ends and valve；Water inlet end and water side are sequentially connected between source pump delivery port and water inlet of hot water, and connect to form a hot water line with source pump delivery port and water inlet of hot water；Cold water delivery port connects to form a cold water pipeline with source pump water inlet；The first end of bypass ends is connected between water inlet end and water side, and the second end of bypass ends is connected between cold water delivery port and source pump water inlet and forms a bypass line；Valve can be arranged at bypass ends closure or openness.The utility model heat pump water-heating machine water circuit system passes through switching valve bypass line in hot water machine water system so that source pump possesses two kinds of heating modes of directly-heated and circulating-heating simultaneously, preferably meets the demand of client's water.
Description
Technical field
The utility model is related to a kind of heat pump water-heating machine water circuit system field, more particularly to a kind of heat pump water-heating machine water route system
System.
Background technology
Conventional heat pump hot water machine is divided into circulation hot water dispenser and directly-heated type hot water machine, using traditional heat pump water-heating machine water route
There is problems with when combining this two classes hot water machine water for heating in system：
1st, circulation hot water dispenser is heated by constantly extracting the cold water of water storage device bottom into source pump, through heat
Hot water after pump assembly heating is entered at the top of water storage device by outlet pipeline, and user extracts water storage device at the top of water storage device
In water used.Hot water after heating enter at the top of water storage device after with after the cold water mix in water storage device, water temperature quilt
Reduction, does not reach the demand temperature of user, it is therefore desirable to which after multiple circulating-heating, the water temperature of water storage device reclaimed water reaches user
Demand temperature when, user just can be with the use hot water of big flow.
Thus, when user continues on hot water, if opening source pump, cold water constantly injects water storage device bottom, heat
The cold water of pump assembly extraction water storage device bottom lowest temperature is heated, and (once heating can not be reached at the top of water storage device through excessive
The temperature of the hot water of secondary heating) inject afterwards at the top of water temperature highest water storage device, the water temperature at the top of water storage device is reduced, so that
Cause mixed cold and hot water inside water storage device so that the water at the top of water storage device that user uses does not reach the temperature of demand, influence
Consumer's Experience；But, if being not turned on Hot water units, hot water will be fewer and feweri workable for user, and water temperature also can be with heat loss
Gradually reduce, if the water consumption of user's request is larger, now the hot water in water storage device will can not meet the water demand of user.
2nd, directly-heated type hot water machine is reached after user's request water temperature by constantly carrying out heating in source pump, can directly be flowed
Access customer end is used, but its hot water flow is smaller, it is impossible to meet the demand of user's water use peak phase big flow water.
Utility model content
Based on this, it is necessary to provide a kind of while possessing two kinds of heating modes of directly-heated and circulating-heating preferably to meet visitor
The heat pump water-heating machine water circuit system of family water demand.
It there is a need to and a kind of control method of the heat pump water-heating machine water circuit system is provided.
A kind of heat pump water-heating machine water circuit system, it has the directly-heated pattern and circulating-heating pattern that can mutually switch, described
Heat pump water-heating machine water circuit system includes：
Source pump；
Water storage device, including water inlet of hot water and cold water delivery port；And
Switching valve, including water inlet end, the water side that is connected with the water inlet end and bypass ends and valve；
Wherein, the water inlet end and the water side are sequentially connected to the source pump delivery port and hot water water inlet
Between mouthful, and connect to form a hot water line with the source pump delivery port and the water inlet of hot water；The cold water goes out
The mouth of a river connects to form a cold water pipeline with the source pump water inlet；The first end of the bypass ends is connected to the water inlet
Between end and the water side, the second end of the bypass ends is connected to the cold water delivery port and the source pump water inlet
Between and formed a bypass line；The valve is used for the bypass amount for being adjustably controlled the bypass ends；
When the heat pump water-heating machine water circuit system is in directly-heated pattern, bypass ends described in the valve opening, the side
Siphunculus road is communicated between the hot water line and the cold water pipeline；When the heat pump water-heating machine water circuit system is in cyclic module
During formula, the valve closes the bypass ends, and the bypass line is disconnected between the hot water line and the cold water pipeline
Connection.
In wherein one embodiment, the heat pump water-heating machine water circuit system includes water pump, and the water pump is arranged at described
Between source pump water inlet and the cold water delivery port, the second end of the bypass ends is connected to the cold water delivery port and institute
State between water pump.
In wherein one embodiment, the heat pump water-heating machine water circuit system includes controller, and the controller is used for
Switch in first preset time period and keep the heat pump water-heating machine water circuit system to the directly-heated pattern.
In wherein one embodiment, the water storage device includes hot water outlet, the heat pump water-heating machine water circuit system
Including water outlet inductor；The water outlet inductor is arranged at the hot water outlet, for detecting whether water outlet；The controller
For in second preset time period different from first preset time period when detecting the hot water outlet water outlet
The heat pump water-heating machine water circuit system is controlled to switch to the directly-heated pattern.
In wherein one embodiment, the heat pump water-heating machine water circuit system includes being arranged at the source pump delivery port
The first cooling-water temperature sensor, first cooling-water temperature sensor is used to obtain the leaving water temperature of the source pump delivery port；It is described
Controller is used under directly-heated pattern when the leaving water temperature of the source pump delivery port, which is less than, presets minimum leaving water temperature, root
The valve is determined according to the difference between the default minimum corresponding target step number of leaving water temperature and the current step number of the valve
The increase step number of door；The controller is additionally operable under directly-heated pattern when the leaving water temperature of the source pump delivery port is higher than pre-
If during maximum water temperature, according to the current step number of the corresponding target step number of the default minimum leaving water temperature and the valve it
Between difference determine the reduction step number of the valve.
In wherein one embodiment, the heat pump water-heating machine water circuit system includes being arranged at the source pump water inlet
The second cooling-water temperature sensor, second cooling-water temperature sensor is used to obtain the inflow temperature of the source pump water inlet；It is described
Controller judges inflow temperature variation tendency and calculated to obtain according to the inflow temperature of the source pump water inlet detected
The inflow temperature rate of change of the source pump, with according to the inflow temperature rate of change of the source pump water inlet to institute
The current step number for stating valve is adjusted.
In wherein one embodiment, the switching valve is to be connected between the source pump and the water storage device
Triple valve, or to be connected to the three-way pipe between the source pump and the water storage device and being arranged on the three-way pipe
Two-port valve, the Bypass outlet of the three-way pipe is connected between the cold water delivery port and the source pump water inlet and shape
Into the bypass line, the two-port valve is arranged on the bypass line.
The utility model heat pump water-heating machine water circuit system passes through switching valve bypass line in hot water machine water system so that heat
Pump assembly possesses two kinds of heating modes of directly-heated and circulating-heating simultaneously, preferably meets the demand of client's water.Secondly, user
During using hot water, source pump uses directly-heated type heating mode so that between source pump can be kept not when user's water
Disconnected heats, and source pump opens the negative effect for causing mixed cold and hot water inside water storage device when eliminating user's water, significantly
Ground adds the disposable water volume that can be utilized of water storage device, and when user is without using water, source pump uses circulating-heating pattern,
Water constantly in heating water storage device, makes most of water in water storage device maintain an appropriate temperature value, stores hot water,
Need largely to be ready using water for user.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model heat pump water-heating machine water circuit system；
Fig. 2 is the structural representation of heat pump water-heating machine water circuit system in another embodiment of the utility model；
Fig. 3 is the module diagram of heat pump water-heating machine water circuit system shown in Fig. 1；
Fig. 4 is the flow chart of heat pump water-heating machine water circuit system shown in Fig. 1.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 is refer to, in the utility model preferred embodiment, heat pump water-heating machine water circuit system 100, which has, mutually to be switched
Directly-heated pattern and circulating-heating pattern, it includes source pump 10, water storage device 30, water pump 50 and switching valve 70.Heat pump
Unit 10 is connected and cooperated with water storage device 30, the inner cold water of water storage device 30 is pumped into through water pump 50 in source pump 10
After heating, flow back into again in water storage device 30 for users to use.Switching valve 70 is arranged at source pump 10 and water storage device 30
Between, to control heat pump water-heating machine water circuit system 100 to switch between directly-heated pattern and circulating-heating pattern.
Water storage device 30 includes water inlet of hot water 31, cold water delivery port 33, hot water outlet 35 and cold water inlet 37.
Wherein, outside cold water is stored in water storage device 30 by cold water inlet 37, and through cold water delivery port in the presence of water pump 50
33 are pumped into heating in source pump 10 by the water inlet of source pump 10, and the hot water after heating is through the delivery port of source pump 10 and warm
Water water inlet 31 is flow in water storage device 30, for users to use.Wherein, water pump 50 is independently of heat pump in this specific embodiment
Outside unit 10, and it is arranged between the water inlet of source pump 10 and cold water delivery port 33.It is to be appreciated that in some other implementation
Example in, water pump 50 it is integrally disposed inside source pump 10 also can, be not limited thereto.
Switching valve 70 includes water inlet end 71, the water side 73 connected with water inlet end 71 and bypass ends 75 and valve (figure
Do not show).
Wherein, water inlet end 71 and water side 73 are sequentially connected between the delivery port of source pump 10 and water inlet of hot water 31,
And one hot water line of formation is connected with the delivery port of source pump 10 and water inlet of hot water 31.Cold water delivery port 33 and source pump
10 water inlets connect to form a cold water pipeline.
The first end of bypass ends 75 is connected between water inlet end 71 and water side 73, and the second end of bypass ends 75 is connected to cold
Between water delivery port 33 and the water inlet of source pump 10 and formed a bypass line.In this specific embodiment, due to water pump
50 are placed on outside source pump 10, and the second end of bypass ends 75 is connected between cold water delivery port 33 and water pump 50.
Valve is used for the bypass amount for being adjustably controlled bypass ends 75, to be in not when heat pump water-heating machine water circuit system 100
Connection during with heating mode between correspondence connection or disconnection bypass ends 75 and hot water line and cold water pipeline.
Specifically, when heat pump water-heating machine water circuit system 100 is in directly-heated pattern, valve opening bypass ends 75, bypass pipe
Road is communicated between hot water line and cold water pipeline, and the hot water flowed out by the delivery port of source pump 10 is divided into switching valve 70
Two water routes, are directly used wherein a hot water road flows into water storage device 30 through water side 73 for user, another hot water road warp
Bypass ends 75 come back in source pump 10 and heated again.Due to being heated again using the hot water heated, heat is so improved
The leaving water temperature of pump assembly 10, makes to reach higher water temperature by the water that the water inlet of hot water 31 of water storage device 30 enters, hot water enters
Remain to meet user with the warm water in water storage device 30 after mixing in water storage device 30 uses coolant-temperature gage demand, and is not in store up
The phenomenon of the inside mixed cold and hot water of water installations 30.
When heat pump water-heating machine water circuit system 100 is in circulating-heating pattern, valve closure bypass ends 75, bypass line quilt
Block, the cold water in water storage device 30 is pumped into through water pump 50 in source pump 10 after heating, is flowed out by the delivery port of source pump 10
And directly all flowed into through water inlet end 71, water side 73 and water inlet of hot water 31 in water storage device 30, while also constantly extracting
The cold water of the bottom of water storage device 30 is heated, and most of water in water storage device 30 is maintained an appropriate temperature value,
Hot water is stored, is that user prepares when needing to use a large amount of water.
Please in the lump referring to Fig. 2, in wherein one embodiment, switching valve 70 is to be connected to source pump 10 and water storage device
Triple valve between 30；In another embodiment, switching valve 70 can also be connected to source pump 10 and water storage device 30 it
Between three-way pipe and the two-port valve 77 that is arranged on three-way pipe.The Bypass outlet of three-way pipe is connected to cold water delivery port 33 and heat pump
Between the water inlet of unit 10 and bypass line is formed, two-port valve 77 is arranged on bypass line.It is to be appreciated that at some other
In embodiment, switching valve 70 also can be other attachment structures, and need to only ensure to have can connect or be connected to hot water line with disconnecting
The bypass line between cold water pipeline, is not construed as limiting herein.
Fig. 3 is refer to, heat pump water-heating machine water circuit system 100 includes water outlet inductor 80 and controller 81, water outlet inductor
80 are arranged at the hot water outlet 35 of water storage device 30, for detecting whether water outlet.Controller 81 is used in the first preset time
Switch in section and keep heat pump water-heating machine water circuit system 100 to directly-heated pattern, and be additionally operable to different from the first preset time period
The second preset time period in when detecting 35 water outlet of hot water outlet, control heat pump water-heating machine water circuit system 100 is switched to
Directly-heated pattern.Wherein, the first preset time period is the water use peak phase in this specific embodiment, for example 8 points to 10 points of morning and/
Or 8 points to 12 points of evening；Second preset time period is the non-water use peak phase beyond the water use peak phase.Thus, using water when being in
During rush hour section, heat pump water-heating machine water circuit system 100 will automatically switch to directly-heated pattern, with for users to use；And work as and be in
During the non-water use peak period, heat pump water-heating machine water circuit system 100 will automatically switch to circulating-heating pattern, think that user stores
A large amount of hot water；And simultaneously when detecting hot water outlet water outlet, by original circulating-heating pattern switching to directly-heated pattern, with
For users to use.
Further, heat pump water-heating machine water circuit system 100 includes being arranged at the first water temperature biography of the delivery port of source pump 10
Sensor 82, the first cooling-water temperature sensor 82 is used for the leaving water temperature for obtaining the delivery port of source pump 10, and controller 81 is used in directly-heated
Under pattern when the delivery port of source pump 10 leaving water temperature be less than preset minimum leaving water temperature when, according to valve it is default it is minimum go out
Difference between the corresponding target step number of coolant-temperature gage and current step number determines the increase step number of valve.Controller 81 is additionally operable to straight
Under heat pattern when the leaving water temperature of the delivery port of source pump 10 is less than default maximum water temperature, according to the default minimum of valve
Difference between the corresponding target step number of leaving water temperature and current step number determines the reduction step number of valve, to ensure heat pump water-heating machine
Also ensure that the reclaimed water of water storage device 30 maintains an appropriate temperature value while maximum water consumption of water circuit system 100.
Specifically, the internal memory of controller 81 contains default outlet water temperature range, the default outlet water temperature range correspondence valve
Target step number.When the leaving water temperature for detecting the delivery port of source pump 10 is in default outlet water temperature range, valve step is kept
Number is constant, i.e. the step number of valve is constant；When the leaving water temperature of the detection delivery port of source pump 10 is less than default outlet water temperature range
Minimum when, calculate and obtain difference between target step number and current step number, and Primary regulation is carried out towards positive direction, to increase
The current step number of valve；And also when the leaving water temperature of the detection delivery port of source pump 10 is higher than the highest of default outlet water temperature range
During value, the difference obtained between target step number and current step number is calculated, and carries out Primary regulation in the opposite direction, to reduce valve
Current step number.
In the mode that above-described embodiment is provided, the peak and minimum for presetting outlet water temperature range can be a kind of warps
Test value and be configured when dispatching from the factory, also can for user's sets itself according to their needs value, be not limited thereto.In addition,
When difference between target step number and current step number is more than 0, determine that valve is adjusted towards positive direction；When target step number and currently
When difference between step number is less than 0, determine that valve is adjusted in the opposite direction.
For example, default outlet water temperature range is 20-26 degree, accordingly, valve target step number is 5 steps；First water temperature is sensed
The current leaving water temperature of the detection delivery port of source pump 10 of device 82 is 16 degree, accordingly, and the current step number of valve is 2 steps.Now, control
It is 3 that device 81 processed, which calculates and obtains default difference between minimum leaving water temperature and current step number, and by valve by the current step court of step number 2
Positive direction increases 3 steps so that the step number after valve regulated is 5 steps.Similarly, for example, when the first cooling-water temperature sensor 82 detects heat pump
The current leaving water temperature of the delivery port of unit 10 is 32 degree, and accordingly the current step number of valve is 8 steps.Now, controller 81 is calculated
It is -3 to the difference between default maximum water temperature and current step number, and valve is reduced 3 in the opposite direction by the current step of step number 8
Step so that the step number after valve regulated is 5 steps.
In wherein one embodiment, heat pump water-heating machine water circuit system 100 also includes the second cooling-water temperature sensor 83, the second water
Temperature sensor 83 is arranged at the water inlet of source pump 10, and controller 81 enters water temperature according to the water inlet of source pump 10 detected
Degree judges inflow temperature variation tendency and calculating obtains the inflow temperature rate of change of source pump 10, the step of correspondence control valve
Number.Thus, judged by the inflow temperature variation tendency in advance to the water inlet of source pump 10, with valve according to heat pump
Compensated and auxiliary adjustment after the leaving water temperature correspondence regulation of the delivery port of unit 10, it is ensured that the water outlet of the delivery port of source pump 10
Temperature accuracy.
Specifically, the heat that the second cooling-water temperature sensor 83 is detected is obtained by within continuous time, being spaced the predetermined cycle
Two temperature values of the water inlet of pump assembly 10, the variation tendency of inflow temperature is judged according to the difference of two temperature values, and simultaneously
Bring two temperature values into rate of change computing module, obtain the inflow temperature rate of change of the water inlet of source pump 10, with correspondence
The step number of control valve.Wherein, can according to the specific step number of the inflow temperature rate of change of source pump 10 correspondence control valve
To carry out Default Value according to actual needs, it is not limited thereto.
When current inflow temperature variation tendency is rise, leaving water temperature raises correspondence when being raised due to inflow temperature,
Now controller 81 carries out correspondence regulation to valve according only to the leaving water temperature of the delivery port of source pump 10 detected, it is to avoid because
Carry out deviation occur after adjusting twice according to water inlet and water outlet simultaneously.When current inflow temperature variation tendency is declines, control
Device 81 processed is according to the inflow temperature rate of change of the water inlet of source pump 10 and the leaving water temperature of the delivery port of current source pump 10
Regulation is overlapped to valve.
For example, when the current leaving water temperature for detecting the delivery port of source pump 10 is 32 degree and the current step number of valve is 8,
Valve is reduced 3 steps by controller 81 in the opposite direction by the current step of step number 8 so that the step number after valve regulated is 5, to reduce bypass
The flow of pipeline, is lowered into the temperature of the water heated again in source pump 10.Now, if the water inlet of source pump 10 is current
When inflow temperature variation tendency is declines, controller 81 is true according to the inflow temperature rate of change of the current water inlet of source pump 10
The regulation step number for determining valve is 1, and is positive direction.So far, the whole regulation process of valve is that first reduction step number is 3, then is increased
Step number is 1, i.e., the step number of valve is relative to initial step number to reduce, and make whole heat pump water-heating machine water circuit system 100 goes out water temperature
Degree keeps stable.
The utility model heat pump water-heating machine water circuit system 100 in hot water machine water system by the bypass line of switching valve 70,
By controlling the step number of valve in switching valve 70 so that source pump 10 is while possess two kinds of heating modes of directly-heated and circulating-heating,
Preferably meet the demand of client's water.Secondly, when user uses hot water, source pump 10 uses directly-heated type heating mode,
Source pump 10 to keep continual when user is with water to heat, source pump 10 is opened when eliminating user's water
The negative effect for causing the inside mixed cold and hot water of water storage device 30 is opened, the disposably available water of water storage device 30 is substantially increased
Amount, and when user is without using water, source pump 10 uses circulating-heating pattern, constantly heats the water in water storage device 30, makes
Most of water maintains an appropriate temperature value in water storage device 30, stores hot water, is that user needs largely to do using water
It is good to prepare.In addition, the step number by adjusting valve in switching valve 70 so that heat pump water-heating machine water circuit system 100 is in directly-heated and follows
Free switching between ring heating mode, both ensure that the maximum water consumption of heat pump water-heating machine water circuit system 100, while also ensureing heat pump
Hot water machine water circuit system 100 can maintain the operation of high energy efficiency under circulation heating operating mode.
Fig. 4 is refer to, the utility model also provides a kind of control method of heat pump water-heating machine water circuit system 100, and it includes
Following steps：
S10：Detect water storage device 30 hot water outlet 35 whether water outlet, if so, performing step S20；If it is not, continuing to hold
Row step S10.
S20：Switching heat pump water-heating machine water circuit system 100 to directly-heated pattern, now Open valve is communicated in bypass line
Between hot water line and cold water pipeline, and the step of the corresponding control valve of leaving water temperature according to the delivery port of source pump 10 of detection
Number.Specifically, the internal memory of controller 81 contains default outlet water temperature range, at the leaving water temperature of the detection delivery port of source pump 10
When in default outlet water temperature range, keep valve step number constant；When the leaving water temperature of the detection delivery port of source pump 10 is less than
During the minimum predetermined leaving water temperature value of default outlet water temperature range, increase the step number of valve；And also when detection source pump 10 goes out
When the leaving water temperature at the mouth of a river presets leaving water temperature value higher than highest, reduce the step number of valve.
Further, heat pump water-heating machine water circuit system 100 is further comprising the steps of while step S20 is performed：
S30：In directly-heated pattern, controller 81 judges always according to the inflow temperature of the water inlet of source pump 10 detected
Inflow temperature variation tendency simultaneously calculates the inflow temperature rate of change for obtaining source pump 10, the step number of correspondence control valve.Tool
Body, when current inflow temperature variation tendency is rise, controller 81 is according only to the delivery port of source pump 10 detected
Leaving water temperature carries out correspondence regulation to valve, it is to avoid because there is deviation after according to water inlet and water outlet adjust twice simultaneously.
When current inflow temperature variation tendency is declines, controller 81 is according to the inflow temperature rate of change of the water inlet of source pump 10
And the leaving water temperature of the current delivery port of source pump 10 is overlapped regulation to valve.
Further, the control method of heat pump water-heating machine water circuit system 100 is further comprising the steps of before step S10：
S40：Judge whether current be the first preset time period, if so, switching and keeping heat pump water-heating machine water circuit system 100
To directly-heated pattern, now Open valve makes bypass line be communicated between hot water line and cold water pipeline, and according to the heat of detection
The step number of the leaving water temperature correspondence control valve of the delivery port of pump assembly 10；If it is not, switching and keeping heat pump water-heating machine water circuit system
100 to circulating-heating pattern, to perform step S10.Specifically, the first preset time period is high with water in this specific embodiment
Peak phase, such as 8 points to 12 points of 8 points to 10 points of morning and/or evening, now heat pump water-heating machine water circuit system 100 will automatic switchover
To directly-heated pattern, with for users to use.And when in the non-water use peak period, heat pump water-heating machine water circuit system 100 will be certainly
It is dynamic to switch to circulating-heating pattern, think that user stores a large amount of hot water；And step S10 is performed simultaneously, to go out detecting hot water
During the water outlet of the mouth of a river, by original circulating-heating pattern switching to directly-heated pattern, with for users to use.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of heat pump water-heating machine water circuit system, it is characterised in that：With the directly-heated pattern and circulating-heating mould that can mutually switch
Formula, the heat pump water-heating machine water circuit system includes：
Source pump；
Water storage device, including water inlet of hot water and cold water delivery port；And
Switching valve, including water inlet end, the water side that is connected with the water inlet end and bypass ends and valve；
Wherein, the water inlet end and the water side be sequentially connected to the source pump delivery port and the water inlet of hot water it
Between, and connect to form a hot water line with the source pump delivery port and the water inlet of hot water；The cold water delivery port
Connect to form a cold water pipeline with the source pump water inlet；The first end of the bypass ends be connected to the water inlet end and
Between the water side, the second end of the bypass ends is connected between the cold water delivery port and the source pump water inlet
And form a bypass line；The valve is used for the bypass amount for being adjustably controlled the bypass ends；
When the heat pump water-heating machine water circuit system is in directly-heated pattern, bypass ends described in the valve opening, the bypass pipe
Road is communicated between the hot water line and the cold water pipeline；When the heat pump water-heating machine water circuit system is in circulation pattern
When, the valve closes the bypass ends, and the bypass line is disconnected between the hot water line and the cold water pipeline
Connection.
2. heat pump water-heating machine water circuit system as claimed in claim 1, it is characterised in that：The heat pump water-heating machine water circuit system bag
Water pump is included, the water pump is arranged between the source pump water inlet and the cold water delivery port, the second of the bypass ends
End is connected between the cold water delivery port and the water pump.
3. heat pump water-heating machine water circuit system as claimed in claim 1, it is characterised in that：The heat pump water-heating machine water circuit system bag
Controller is included, the controller is used in the first preset time period switch and keep the heat pump water-heating machine water circuit system to institute
State directly-heated pattern.
4. heat pump water-heating machine water circuit system as claimed in claim 3, it is characterised in that：The water storage device includes hot water effluent
Mouthful, the heat pump water-heating machine water circuit system includes water outlet inductor；The water outlet inductor is arranged at the hot water outlet, uses
In detecting whether water outlet；The controller is used to work as inspection in second preset time period different from first preset time period
The heat pump water-heating machine water circuit system is controlled to switch to the directly-heated pattern when measuring the hot water outlet water outlet.
5. heat pump water-heating machine water circuit system as claimed in claim 4, it is characterised in that：The heat pump water-heating machine water circuit system bag
The first cooling-water temperature sensor for being arranged at the source pump delivery port is included, first cooling-water temperature sensor is used to obtain the heat pump
The leaving water temperature of unit delivery port；The controller is used under directly-heated pattern when the leaving water temperature of the source pump delivery port
During less than presetting minimum leaving water temperature, currently walked with the valve according to the corresponding target step number of minimum leaving water temperature of presetting
Difference between number determines the increase step number of the valve；The controller is additionally operable under directly-heated pattern when the source pump
When the leaving water temperature of delivery port is higher than default maximum water temperature, the corresponding target step number of minimum leaving water temperature is preset according to described
Difference between the current step number of the valve determines the reduction step number of the valve.
6. heat pump water-heating machine water circuit system as claimed in claim 5, it is characterised in that：The heat pump water-heating machine water circuit system bag
The second cooling-water temperature sensor for being arranged at the source pump water inlet is included, second cooling-water temperature sensor is used to obtain the heat pump
The inflow temperature of unit water inlet；The controller according to the inflow temperature of the source pump water inlet detected judge into
Coolant-temperature gage variation tendency simultaneously calculates the inflow temperature rate of change for obtaining the source pump, to be intake according to the source pump
The current step number of the valve is adjusted the inflow temperature rate of change of mouth.
7. the heat pump water-heating machine water circuit system as described in claim any one of 1-6, it is characterised in that：The switching valve is connection
Triple valve between the source pump and the water storage device, or filled to be connected to the source pump with the water storage
Three-way pipe and the two-port valve being arranged on the three-way pipe between putting, the Bypass outlet of the three-way pipe are connected to the cold water
Between delivery port and the source pump water inlet and the bypass line is formed, the two-port valve is arranged at the bypass line
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621276694.2U CN206330290U (en) | 2016-11-23 | 2016-11-23 | Heat pump water-heating machine water circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088073A (en) * | 2016-11-23 | 2018-05-29 | 广东芬尼克兹节能设备有限公司 | Heat pump water-heating machine water circuit system and its control method |
| CN109798679A (en) * | 2018-12-28 | 2019-05-24 | 广东顺德禾庄能源科技有限公司 | A kind of heat source method for handover control of hot-water heating system |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088073A (en) * | 2016-11-23 | 2018-05-29 | 广东芬尼克兹节能设备有限公司 | Heat pump water-heating machine water circuit system and its control method |
| CN109798679A (en) * | 2018-12-28 | 2019-05-24 | 广东顺德禾庄能源科技有限公司 | A kind of heat source method for handover control of hot-water heating system |
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