CN103528188B - air source hot water machine system and control method thereof - Google Patents
air source hot water machine system and control method thereof Download PDFInfo
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- CN103528188B CN103528188B CN201310539300.2A CN201310539300A CN103528188B CN 103528188 B CN103528188 B CN 103528188B CN 201310539300 A CN201310539300 A CN 201310539300A CN 103528188 B CN103528188 B CN 103528188B
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Abstract
The invention discloses a kind of air source hot water machine system and control method thereof, air source hot water machine system includes condenser, cross valve, shell and tube exchanger, electric expansion valve, frequency-changeable compressor, outdoor fan, water-water jet, the first electronic flow valve, the second electronic flow valve, controller, the first temperature sensor, the second temperature sensor and three-temperature sensor；Wherein one end of the first electronic flow valve is connected with the outlet pipe of condenser, and the other end is connected with water-water jet；One end of second electronic flow valve is connected with running water pipe, and the other end is connected with water-water jet；Controller, for the temperature according to the first temperature sensor detection, controls frequency-changeable compressor and runs according to the predeterminated frequency corresponding with current environmental temperature, controls outdoor fan and runs according to the preset rotation speed corresponding with current environmental temperature；Controller is additionally operable to the temperature according to the second temperature sensor detection and the temperature of three-temperature sensor detection, controls the first electronic flow valve and the aperture of the second magnitude of current valve.
Description
Technical field
The present invention relates to technical field of heating, particularly to a kind of air source hot water machine system and controlling party thereof
Method.
Background technology
It is known that the existing air source water heater of existing market is sold, but the main two types of product: circulation
Formula hot water machine and directly-heated type hot water machine.Circulating hot water mechanism hot water taking is longer, it is impossible to hot water without interruption；
And existing directly-heated type hot water machine is when the northern areas application that ambient temperature is relatively low, owing to inflow temperature is low,
Heating capacity is relatively low simultaneously, but leaving water temperature to be still maintained at 55 degree, and therefore discharge is the least, easily
The situation that hot water amount is not enough occurs.During it addition, the shell and tube exchanger of existing directly-heated type hot water machine defrosts
In order to prevent condenser freezing, it is to need upper and lower two pieces of shell and tube exchangers to realize defrosting, is greatly reduced
The service efficiency of shell and tube exchanger.
Summary of the invention
A kind of air source hot water machine system of offer and control method thereof are provided, it is intended to
The technology solving not enough and shell and tube exchanger the service efficiency of the low region water yield of ambient temperature low is asked
Topic.
To achieve these goals, the present invention provides a kind of air source hot water machine system, described air source heat
Water machine system includes condenser, cross valve, shell and tube exchanger, electric expansion valve, compressor and outdoor
Blower fan, described air source hot water machine system also includes water-water jet, the first electronic flow valve, the second electron stream
Measure valve, controller, be used for detecting the first temperature sensor of ambient temperature, for detecting condensator outlet
Refrigerant temperature the second temperature sensor and for detecting the 3rd temperature sensing of water-water jet leaving water temperature
Device；Wherein one end of the first electronic flow valve is connected with the outlet pipe of described condenser, and the other end is with described
Water-water jet connects；One end of described second electronic flow valve is connected with running water pipe, and the other end is mixed with described
Hydrophone connects；Described controller, for the temperature according to the first temperature sensor detection, controls frequency conversion compression
Machine runs according to the predeterminated frequency corresponding with current environmental temperature, control outdoor fan according to current environment
The preset rotation speed operation that temperature is corresponding；Described controller is additionally operable to the temperature according to the second temperature sensor detection
Degree and the temperature of three-temperature sensor detection, control opening of the first electronic flow valve and the second magnitude of current valve
Degree.
Preferably, described air source hot water machine system also includes a connecting tube, one end of described connecting tube with
Described running water pipe connects, and the other end is connected with the water inlet pipe of described condenser, and sets in described connecting tube
One is had to flow to the check valve of condenser from running water pipe for current.
Preferably, described air source hot water machine system also includes being connected to described check valve and described condenser
Water inlet pipe between water side electromagnetic valve, be connected to the booster water pump at electromagnetic valve two ends, water side and for examining
Survey the pressure switch of the water inlet inner pipe water pressure of described condenser
The present invention also provides for the control method of a kind of air source hot water machine system, described air source water heater system
The control method of system comprises the following steps:
Receive the temperature of user setup, and detect current ambient temperature；
Control frequency-changeable compressor to run according to the predeterminated frequency corresponding with current environmental temperature, control room exogenous wind
Machine runs according to the preset rotation speed corresponding with current environmental temperature；
When the temperature of condensator outlet is higher than the temperature of described user setup, control described first electron stream
The default aperture corresponding with current environmental temperature opened by amount valve；
When the leaving water temperature of water-water jet is higher than the temperature of described user setup, control the second electronic flow valve
Open；
The aperture of described second electronic flow valve it is gradually increased with the first preset speed, until described water-water jet
Leaving water temperature equal to user setup temperature till.
Preferably, described in performing, it is gradually increased opening of described second electronic flow valve with the first preset speed
Degree, until the leaving water temperature of described water-water jet also includes equal to after the step of the temperature of user setup:
Judge that whether the aperture of the second electronic flow valve is less than the aperture threshold corresponding with described current environmental temperature
Value；
When the aperture of the second electronic flow valve is less than aperture threshold value, control described the with the second preset speed
The aperture of two electronic flow valves increases to described aperture threshold value, and controls described frequency conversion with the 3rd preset speed
The frequency of compressor operating increases.
Preferably, the described aperture increasing controlling described second electronic flow valve with the second preset speed is being performed
Big to described aperture threshold value, and control, with the 3rd preset speed, the frequency increase that described frequency-changeable compressor runs
Step after also include:
It is saved in the second electronic flow valve opening and is equal to aperture and the institute of the second electronic flow valve during aperture threshold value
State the frequency that frequency-changeable compressor runs；
When the time interval run when the hot water machine range ability last time next time is less than Preset Time, will protect
The aperture of the second electronic flow valve when the aperture deposited is run as hot water machine next time, makees the frequency preserved
The frequency of frequency conversion compressor operating when next time running for hot water machine.
Preferably, perform described using the aperture of preservation as the second electron stream when once running on hot water machine
Amount valve aperture, using the frequency of preservation as hot water machine run next time time frequency conversion compressor operating frequency
Also include after step:
Magnitude relationship according to water-water jet leaving water temperature and the temperature of described user setup regulates the second electron stream
The aperture of amount valve.
Preferably, after default aperture step opened by the execution described first electronic flow valve of described control also
Including:
Judge that whether the water inlet inner pipe water pressure of condenser is more than hydraulic pressure threshold value；
The most then control water side electromagnetic valve to open, control booster water pump and close；
If it is not, then control water side closed electromagnetic valve, control booster water pump and open.
Preferably, described control frequency-changeable compressor is being performed according to corresponding with described current environmental temperature pre-
If frequency is run, control outdoor fan and run step according to the preset rotation speed corresponding with described current environmental temperature
Also include before rapid:
Analyze the temperature range residing for described current environmental temperature；
Obtain predeterminated frequency corresponding to described temperature range, preset rotation speed, preset aperture and aperture threshold value.
Preferably, described control method farther includes: has heated and has detected current environmental temperature afterwards,
If current environmental temperature is less than-1 degree, then condenser is carried out accumulation of heat；Coolant temperature when condensator outlet
When degree is higher than 50 degree, then carry out defrosting operation, until the refrigerant temperature of condensator outlet is less than-1 degree.
Compared to prior art, the air source hot water machine system of the present invention and control method thereof are according to environment temperature
Degree controls frequency and the rotating speed of outdoor fan of frequency-changeable compressor, thus can be relatively low in ambient temperature
In the case of, by improving frequency and the rotating speed of outdoor fan of frequency-changeable compressor, to improve changing of condenser
Heat energy power, thus ensure that air source water heater, when the area applications that ambient temperature is relatively low, also has enough
Water yield, to meet the demand of user.It addition, the air source hot water machine system of the present invention is being removed automatically
First condenser is carried out accumulation of heat before frost, can effectively prevent at defrosting process condenser freezing, thus only need one
Block shell and tube exchanger can realize defrosting, considerably increases the service efficiency of shell and tube exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation of air source hot water machine system one of the present invention preferred embodiment；
Fig. 2 is the schematic flow sheet of the control method first embodiment of air source hot water machine system of the present invention；
Fig. 3 is the schematic flow sheet of control method second embodiment of air source hot water machine system of the present invention；
Fig. 4 is the schematic flow sheet of control method the 3rd embodiment of air source hot water machine system of the present invention；
Fig. 5 is the schematic flow sheet of control method the 4th embodiment of air source hot water machine system of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further
Explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The present invention provides a kind of air source hot water machine system.
With reference to the structural representation that Fig. 1, Fig. 1 are air source hot water machine system one of the present invention preferred embodiment.
The air source hot water machine system that the present embodiment provides includes condenser 10, cross valve 26, shell and tube exchanger
11, electric expansion valve 27, frequency-changeable compressor 12, outdoor fan 13, water-water jet the 14, first electron stream
Measure valve the 15, second electronic flow valve 16, controller (not shown), be used for detecting ambient temperature
First temperature sensor 17, for detecting second temperature sensor of refrigerant temperature of condenser 10 outlet
18 and for detecting the three-temperature sensor 19 of water-water jet 14 leaving water temperature；Wherein the first electronic flow
One end of valve 15 is connected with the outlet pipe 101 of described condenser 10, and the other end is with described water-water jet 14 even
Connect；One end of described second electronic flow valve 16 is connected with running water pipe 22, the other end and described mixed water
Device 14 connects；Described controller, for the temperature according to the first temperature sensor 17 detection, controls frequency conversion
Compressor 12 runs according to the predeterminated frequency corresponding with current environmental temperature, control outdoor fan 13 according to
The preset rotation speed corresponding with current environmental temperature is run.Described controller is additionally operable to according to the second temperature sensing
The temperature of device 18 detection and the temperature of three-temperature sensor 19 detection, control the first electronic flow valve 15
Aperture with the second magnitude of current valve 16.
In the present embodiment, above-mentioned first temperature sensor 17 may be provided on shell and tube exchanger 11.
During work, first started air source hot water machine system by user, temperature M is set, now first
Temperature sensor 17 detects current environmental temperature, described controller will control frequency-changeable compressor 12 according to
Predeterminated frequency corresponding to current environmental temperature runs, control outdoor fan 13 according to current environmental temperature pair
The preset rotation speed answered is run, so that the water heating in condenser 10, when the second temperature sensor 18 is examined
When measuring the refrigerant temperature of condenser 10 outlet higher than temperature M of user setup, described second temperature sensing
Device 18 outputs control signals to controller, and controller controls the first electronic flow valve 15 according to this control signal
Open the default aperture corresponding with current environmental temperature；When three-temperature sensor 19 detects leaving water temperature
During higher than temperature M of user setup, described controller is opened controlling the second electronic flow valve 16, and with
First preset speed controls the aperture of described second electronic flow valve and increases, until three-temperature sensor 19
When the temperature detected is equal to temperature M of user setup, described controller controls the second electronic flow valve 16
Keep current aperture, thus in water-water jet 14, mix, by hot water and cold water, the temperature reaching user setup
Degree M.
Above-mentioned air source hot water machine system also includes a connecting tube 20, and one end of described connecting tube 20 is with described
Running water pipe 22 connects, and the other end is connected with the water inlet pipe 102 of described condenser 10, and described connection
Pipe 20 is provided with a check valve 21 flowing to condenser 10 for current from running water pipe 22.
Further, also to include being connected to described check valve 21 cold with described for above-mentioned air source hot water machine system
Water side electromagnetic valve 23 between the water inlet pipe 102 of condenser 10, it is connected to the increasing at electromagnetic valve 23 two ends, water side
Water pump 24 and in detecting the water inlet pipe 102 of described condenser 10 pressure switch 25 of hydraulic pressure.
Described water lateral pressure switch 25 is connected with described controller further, and when described pressure switch 25 detects
To hydraulic pressure less than hydraulic pressure threshold value time, described controller control described booster water pump 24 open, described water side electricity
Magnet valve 23 is closed；When described pressure switch 25 detects that hydraulic pressure is more than or equal to hydraulic pressure threshold value, described
Controller controls described booster water pump 24 and cuts out, and described water side electromagnetic valve 23 is opened.
The present invention also provides for a kind of control method being applied to above-mentioned air source hot water machine system, in conjunction with Fig. 2,
Fig. 2 is the schematic flow sheet of air source hot-water heating system machine control method first embodiment of the present invention.This enforcement
The air source hot water machine system control method that example provides comprises the following steps:
Step S10, receives temperature M of user setup, and detects current ambient temperature；
Step S11, controls frequency-changeable compressor 12 and runs according to the predeterminated frequency corresponding with current environmental temperature,
Control outdoor fan 13 to run according to the preset rotation speed corresponding with current environmental temperature；
Step S12, when the refrigerant temperature of condenser 10 outlet is higher than temperature M of user setup, controls
The default aperture corresponding with current environmental temperature opened by described first electronic flow valve 15；
Step S13, when the leaving water temperature of water-water jet 14 is higher than temperature M of user setup, controls second
Electronic flow valve 16 is opened；
Step S14, is gradually increased the aperture of described second electronic flow valve 16, directly with the first preset speed
To described water-water jet 14 leaving water temperature equal to user setup temperature M.
Should illustrate, the predeterminated frequency of above-mentioned compressor 12, the preset rotation speed of outdoor fan 13,
The size of the default aperture of one electronic flow valve 15 pre-sets for different ambient temperatures.In this enforcement
In example, being 26 degree with current ambient temperature below, the temperature of user setup is 40 degree, predeterminated frequency
For 40HZ, preset rotation speed be 500r/m, the default aperture of the first electronic flow valve 15 be 1000 steps,
One preset speed is 8 steps/be explained in detail as a example by the second.
In the present embodiment, first by the temperature 40 degree of reception user setup, and detect current ambient temperature
It it is 26 degree；Then being controlled frequency-changeable compressor 12 by this controller according to the ambient temperature of detection with frequency is
40HZ runs, and controls outdoor fan 13 and runs with 500r/m, so that water temperature gradually rises；
When the refrigerant temperature of condenser 10 outlet is more than 40 degree, controller will control the first electronic flow valve 15
Open with 1000 steps；Now detected the leaving water temperature of water-water jet 14 by three-temperature sensor 19, when mixed
When the leaving water temperature of hydrophone 14 is more than 40 degree, controller will control the second electronic flow valve 16 to open,
And control the second electronic flow valve and be gradually increased with the speed of 8 steps/second, the now leaving water temperature of water-water jet 14
To be gradually lowered, during until the leaving water temperature of water-water jet 14 is equal to 40 degree, controller stops the second electricity
The regulation of sub-flow valve 16, so that the second electronic flow valve 16 is opened according to current aperture.
Compared to prior art, the air source hot water machine system of the present invention and control method thereof are according to environment temperature
Degree controls frequency and the rotating speed of outdoor fan 13 of frequency-changeable compressor 12, thus can be in ambient temperature
In the case of relatively low, by improving frequency and the rotating speed of outdoor fan 13 of frequency-changeable compressor 12, to carry
The exchange capability of heat of high condenser 10, thus ensure that air source water heater is in the relatively low area applications of ambient temperature
Time, also have enough water yields, to meet the demand of user.
Flow process in conjunction with control method the second embodiment that Fig. 3, Fig. 3 are air source hot water machine system of the present invention
Schematic diagram.Further, based in first embodiment, this embodiment, in order to be further ensured that offer
Enough to user hot water amount, also include after performing above-mentioned steps S14:
Step S15, it is judged that whether the aperture of the second electronic flow valve 16 is less than and described current environmental temperature
Corresponding aperture threshold value；
Step S16, when the aperture of the second electronic flow valve 16 is less than above-mentioned aperture threshold value, pre-with second
Put the aperture of the second electronic flow valve 16 described in speed controlling and increase to described aperture threshold value, and pre-with the 3rd
Put the frequency increase that frequency-changeable compressor 12 described in speed controlling runs.
It should be noted that, above-mentioned aperture threshold value pre-sets for different ambient temperatures, above-mentioned
The big I of two preset speed and the 3rd preset speed pre-sets according to actual needs, below to open
Degree threshold value be 1700 steps, the second preset speed be 24 steps/second, the 3rd preset speed be that 3HZ/min makes
Describe in detail.
Reach water-water jet 14 output water temperature be 40 degree constant after, again judge the second electronic flow valve 16
Whether less than 1700 steps.If the second electronic flow valve 16 is less than 1700 steps, then controlled the by controller
Two electronic flow valves 16 increase to 1700 steps with the speed of 24 steps/second, to the second electronic flow valve 16
During regulation, constant in order to ensure the water temperature that water-water jet 14 exports, controller will control frequency conversion compression
Machine 12 increases, with 3HZ/min, the frequency that frequency-changeable compressor 12 runs.
Flow process in conjunction with control method the 3rd embodiment that Fig. 4, Fig. 4 are air source hot water machine system of the present invention
Schematic diagram.Further, based on the second embodiment, in the present embodiment, perform above-mentioned steps S16 it
After also include:
Step S17, is saved in the second electronic flow valve 16 aperture equal to the second electronic flow during aperture threshold value
The frequency that the aperture of valve 16 and described frequency-changeable compressor 12 run；
Step S18, the time interval run when the hot water machine range ability last time next time is less than Preset Time
Time, using the aperture of preservation as hot water machine run next time time the second electronic flow valve 16 aperture, will protect
The frequency that when frequency deposited is run as hot water machine next time, frequency-changeable compressor 12 runs.
It should be noted that, the big I of above-mentioned Preset Time is configured according to actual needs, this enforcement
In example, this Preset Time is preferably 12 hours, owing in 12 hours, the variable quantity of ambient temperature is less,
Therefore by preserve ran last time time the second electronic flow valve 16 and parameter of frequency-changeable compressor 12, under
The second electronic flow valve 16 and frequency-changeable compressor 12 can be directly controlled directly with operation last time during secondary operation
Parameter is run, thus has shortened the adjustment time.
Flow process in conjunction with control method the 4th embodiment that Fig. 5, Fig. 5 are air source hot water machine system of the present invention
Schematic diagram.Further, based on the 3rd embodiment, in the present embodiment, also wrap after above-mentioned steps S18
Include:
Step S19, according to water-water jet 14 leaving water temperature and the magnitude relationship of temperature M of described user setup
Regulate the aperture of the second electronic flow valve 16.
In the present embodiment, when again running due to hot water machine, possible ambient temperature there are differences, so that
The temperature obtaining water source there are differences, by the second electronic flow valve 16 is adjusted, thus can be further
Ensure that the leaving water temperature of water-water jet 14 reaches temperature M of user setup.Specifically, when water-water jet 14
When leaving water temperature is higher than temperature M of user setup, then controlled opening of the second electronic flow valve 16 by controller
Degree increases；When the leaving water temperature of water-water jet 14 is less than temperature M of user setup, then by controller control
The aperture of the second electronic flow valve 16 reduces.
The control method of the air source hot water machine system of fifth embodiment of the invention compared to above-described embodiment,
Difference is: also include between execution above-mentioned steps S12 and step S13:
Step S20, controls water side electromagnetic valve 23 and opens, and controls booster water pump 24 and closes；
Step S21, hydraulic pressure in the water inlet pipe 102 of detection condenser 10, when the hydraulic pressure of detection is less than hydraulic pressure
During threshold value, control water side electromagnetic valve 23 and close, control booster water pump 24 and open.
In the present embodiment, owing in the water inlet pipe 102 to condenser 10, hydraulic pressure detects, therefore can have
Effect carries out the discharge of heat exchange in ensureing to flow into condenser 10.
The control method of the air source hot water machine system of sixth embodiment of the invention compared to above-described embodiment,
Difference is: also include between above-mentioned steps S10 and S11:
Step S22, analyzes the temperature range residing for described current environmental temperature；
Step S23, obtains predeterminated frequency corresponding to described temperature range, preset rotation speed, presets aperture and open
Degree threshold value.
It should be noted that, said temperature scope and predeterminated frequency corresponding to each temperature range, preset and turn
Speed, default aperture, aperture threshold value can be configured according to actual needs.In the present embodiment, said temperature
Scope can be divided into 3 sections, and the first temperature range interval is A, and the second temperature range interval is B, the 3rd temperature
Range intervals is V, wherein A >=25 degree, 10 degree of ＞ B ＞ 25 degree, 10 degree of ＞ C.
Corresponding, in the first temperature range interval, above-mentioned predeterminated frequency is 40HZ, preset rotation speed
500r/m, preset aperture be 1000 steps, aperture threshold value be 1700 steps；
In the second temperature range interval, above-mentioned predeterminated frequency is 55HZ, preset rotation speed 800r/m, preset
Aperture be 600 steps, aperture threshold value be 1000 steps；
In the 3rd temperature range interval, above-mentioned predeterminated frequency is 70HZ, preset rotation speed 1200r/m, pre-
If aperture is 600 steps, aperture threshold value is 1000 steps.
The control method of the air source hot water machine system of seventh embodiment of the invention compared to above-described embodiment,
Difference is: if current environmental temperature is less than-1 degree, then it is the most right to complete to also need to afterwards in heating
Shell and tube exchanger defrosts, and comprises the following steps:
Step S24, has heated and has detected current environmental temperature afterwards, if current environmental temperature is less than-1
Degree, then in condenser carries out accumulation of heat, the i.e. exhaustor of frequency-changeable compressor 12, coolant is by cross valve 26
To condenser 10, then through electric expansion valve 27 to shell and tube exchanger 11；
Step S25, when the refrigerant temperature of condenser 10 outlet is higher than 50 degree, then carries out defrosting operation,
I.e. in the exhaustor of frequency-changeable compressor 12, coolant arrives shell and tube exchanger 11 by cross valve 26, then through electricity
Condenser 10 is flowed into, until the refrigerant temperature of condenser 10 outlet is less than-1 degree after the throttling of sub-expansion valve 27
Till.
It should be noted that, in described step S24, the frequency of frequency-changeable compressor 12 can be 50HZ, room
The rotating speed 800r/m of outer blower fan 13, the aperture of electric expansion valve 27 can be 200 steps；In step S25,
The frequency of frequency-changeable compressor 12 can be 70HZ, the rotating speed of outdoor fan 13 can be 0r/m, electronic expansion
The aperture of valve 27 can be 380 steps.
The air source hot water machine system of the present invention first carries out accumulation of heat to condenser 10 before automatic defrosting, can have
Effect prevents condenser 10 during defrosting freezing, thus it is real only to need one piece of shell and tube exchanger 11 to get final product
Now defrost, considerably increase the service efficiency of shell and tube exchanger 11.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
Utilize equivalent structure or equivalence flow process conversion that description of the invention and accompanying drawing content made, or directly or
Connect and be used in other relevant technical fields, be the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. an air source hot water machine system, including condenser, cross valve, shell and tube exchanger, electronics
Expansion valve, compressor and outdoor fan, it is characterised in that described air source hot water machine system also includes mixing
Hydrophone, the first electronic flow valve, the second electronic flow valve, controller, for detecting the of ambient temperature
One temperature sensor, for detecting second temperature sensor of refrigerant temperature of condensator outlet and being used for
The three-temperature sensor of detection water-water jet leaving water temperature；Wherein one end of the first electronic flow valve is with described
The outlet pipe of condenser connects, and the other end is connected with described water-water jet；The one of described second electronic flow valve
End is connected with running water pipe, and the other end is connected with described water-water jet；Described controller is for according to the first temperature
The temperature of degree sensor detection, controls frequency-changeable compressor according to the predeterminated frequency corresponding with current environmental temperature
Run, control outdoor fan and run according to the preset rotation speed corresponding with current environmental temperature；Described controller
It is additionally operable to the temperature according to the second temperature sensor detection and the temperature of three-temperature sensor detection, controls
First electronic flow valve and the aperture of the second magnitude of current valve.
2. air source hot water machine system as claimed in claim 1, it is characterised in that described air source heat
Water machine system also includes that connecting tube, one end of described connecting tube are connected with described running water pipe, the other end with
The water inlet pipe of described condenser connects, and described connecting tube is provided with one and flows to from running water pipe cold for current
The check valve of condenser.
3. air source hot water machine system as claimed in claim 2, it is characterised in that described air source heat
Water machine system also includes the water side electromagnetism being connected between the water inlet pipe of described check valve and described condenser
Valve, it is connected to the booster water pump at electromagnetic valve two ends, water side and in the water inlet pipe detecting described condenser
The pressure switch of hydraulic pressure.
4. a control method based on the air source hot water machine system described in any one of claims 1 to 3,
It is characterized in that, comprise the following steps:
Receive the temperature of user setup, and detect current ambient temperature；
Control frequency-changeable compressor to run according to the predeterminated frequency corresponding with current environmental temperature, control room exogenous wind
Machine runs according to the preset rotation speed corresponding with current environmental temperature；
When the refrigerant temperature of condensator outlet is higher than the temperature of described user setup, control described first electricity
The default aperture corresponding with current environmental temperature opened by sub-flow valve；
When the leaving water temperature of water-water jet is higher than the temperature of described user setup, control the second electronic flow valve
Open；
The aperture of described second electronic flow valve it is gradually increased with the first preset speed, until described water-water jet
Leaving water temperature equal to user setup temperature till.
5. the control method of air source hot water machine system as claimed in claim 4, it is characterised in that
Perform the described aperture being gradually increased described second electronic flow valve with the first preset speed, until described mixed
The leaving water temperature of hydrophone also includes equal to after the step till the temperature of user setup:
Judge that whether the aperture of the second electronic flow valve is less than the aperture threshold corresponding with described current environmental temperature
Value；
When the aperture of the second electronic flow valve is less than aperture threshold value, control described the with the second preset speed
The aperture of two electronic flow valves increases to described aperture threshold value, and controls described frequency conversion with the 3rd preset speed
The frequency of compressor operating increases.
6. the control method of air source hot water machine system as claimed in claim 5, it is characterised in that
Perform the described aperture with the second preset speed described second electronic flow valve of control and increase to described aperture threshold
Also wrap after value, and the step of the frequency increase controlling the operation of described frequency-changeable compressor with the 3rd preset speed
Include:
It is saved in the second electronic flow valve opening equal to the aperture of the second electronic flow valve during described aperture threshold value
The frequency run with described frequency-changeable compressor；
When the time interval run when the hot water machine range ability last time next time is less than Preset Time, will protect
The aperture of the second electronic flow valve when the aperture deposited is run as hot water machine next time, makees the frequency preserved
The frequency of frequency conversion compressor operating when next time running for hot water machine.
7. the control method of air source hot water machine system as claimed in claim 6, it is characterised in that
Perform described using the aperture of preservation as hot water machine run next time time the second electronic flow valve aperture, will
Also wrap after the frequency step of frequency conversion compressor operating when the frequency preserved is run as hot water machine next time
Include:
Magnitude relationship according to water-water jet leaving water temperature and the temperature of described user setup regulates the second electron stream
The aperture of amount valve.
8. the control method of air source hot water machine system as claimed in claim 4, it is characterised in that
Perform also to include after default aperture step opened by the described first electronic flow valve of described control:
Judge that whether the water inlet inner pipe water pressure of condenser is more than hydraulic pressure threshold value；
The most then control water side electromagnetic valve to open, control booster water pump and close；
If it is not, then control water side closed electromagnetic valve, control booster water pump and open.
9. the control method of air source hot water machine system as claimed in claim 4, it is characterised in that holding
The described control frequency-changeable compressor of row runs according to the predeterminated frequency corresponding with described current environmental temperature, controls
Outdoor fan also includes according to before the preset rotation speed operating procedure corresponding with described current environmental temperature:
Analyze the temperature range residing for described current environmental temperature；
Obtain predeterminated frequency corresponding to described temperature range, preset rotation speed, preset aperture and aperture threshold value.
10. the control method of air source hot water machine system as claimed in claim 4, it is characterised in that institute
State control method to farther include: heated and detected current environmental temperature afterwards, if current environment temperature
Degree less than-1 degree, then carries out accumulation of heat to condenser；When the refrigerant temperature of condensator outlet is higher than 50 degree,
Then carry out defrosting operation, until the refrigerant temperature of condenser 10 outlet is less than-1 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539300.2A CN103528188B (en) | 2013-11-04 | 2013-11-04 | air source hot water machine system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310539300.2A CN103528188B (en) | 2013-11-04 | 2013-11-04 | air source hot water machine system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103528188A CN103528188A (en) | 2014-01-22 |
| CN103528188B true CN103528188B (en) | 2016-09-21 |
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| CN103884095B (en) * | 2014-03-04 | 2016-12-07 | 江门菲普森电器制造有限公司 | A kind of safety air-source water heater of Self-controlled |
| CN105091435B (en) * | 2014-05-13 | 2018-09-18 | 珠海格力电器股份有限公司 | Defrosting control method |
| CN104075456B (en) * | 2014-07-10 | 2017-01-25 | 珠海格力电器股份有限公司 | Control method and device and water heater |
| CN106288401B (en) * | 2015-05-11 | 2019-03-12 | Tcl空调器(中山)有限公司 | The control method and hot water machine of hot water electric auxiliary heating |
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| CN110715483A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN112378081A (en) * | 2020-12-03 | 2021-02-19 | 宁波蓝释电子科技有限公司 | Air energy water heater system and control method |
| CN112859938B (en) * | 2021-01-15 | 2023-09-08 | 北京动力机械研究所 | Alcohol adjusting system and control method for high-enthalpy engine test bed facility |
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