CN107461925B - A kind of heat pump machine and antifreeze control method - Google Patents
A kind of heat pump machine and antifreeze control method Download PDFInfo
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- CN107461925B CN107461925B CN201710692137.1A CN201710692137A CN107461925B CN 107461925 B CN107461925 B CN 107461925B CN 201710692137 A CN201710692137 A CN 201710692137A CN 107461925 B CN107461925 B CN 107461925B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention provides a kind of heat pump machine and antifreeze control methods, are related to field of household appliances.Wherein heat pump machine includes environment temperature sensor, water temperature sensor, water return pipeline, outlet pipeline, water pump, heating device, heat exchanger, control device and compressor；Environment temperature sensor obtains ambient temperature value for detecting environment temperature；Control device is connect with environment temperature sensor, heating device, water pump and compressor, for according to ambient temperature value control heating device, water pump and compressor operation；Water temperature sensor is set to water return pipeline or outlet pipeline, for detecting the water temperature in water return pipeline or outlet pipeline, obtains water temperature value；Control device is connect with water temperature sensor, is also used to control water pump interrupter duty according to water temperature value.Heat pump machine and antifreeze control method provided by the invention can fundamentally solve the problems, such as that low form air source heat pump machine leaves unused in winter and not open freezing of occurring, improve the service life of heat pump machine.
Description
Technical field
The present invention relates to field of household appliances, in particular to a kind of heat pump machine and antifreeze control method.
Background technique
It is positive at present to widely apply in northern " coal changes electricity " for low form net for air-source heat pump units, it plays and replaces
The effect for changing the heating of pannikin stove heating water, since winter northern environment temperature is lower than 0 DEG C mostly, when unit is idle not to be opened
Time will lead to recirculated water freezing and expansion, and then will cause the damage of unit, and currently used method has 2 kinds, the first is in water
Increase antifreezing agent (such as ethylene glycol), the characteristic volatilized due to antifreezing agent itself, it is easy to just wave completely in use for some time
Hair is without so need just to supplement for a period of time, increase maintenance management cost.Second method is most central air-conditioning factory
Family's way, when circumstance temperature is lower than 0 DEG C, when water temperature is lower than some temperature, water pump is opened, then it is determined whether to enable compressions by water temperature
Machine turns off after water temperature reaches requirement, on the one hand this method will cause the frequent start-stop of compressor, if on the other hand water
Water pump is closed for a long time when warm long-time is higher than some temperature will cause stuck situation.
Summary of the invention
The purpose of the present invention is to provide a kind of heat pump machine, heat pump machine provided in this embodiment can improve to leave unused in winter
The problem that freezes occurred is not opened, improves the service life of heat pump machine.
The purpose of the present invention is to provide a kind of antifreeze control method, heat pump machine provided in this embodiment can improve in the winter
It leaves unused in season and does not open the problem that freezes occurred, improve the service life of heat pump machine.
The present invention provides a kind of technical solution:
A kind of heat pump machine, including environment temperature sensor, water temperature sensor, water return pipeline, outlet pipeline, water pump, heating
Device, heat exchanger, control device and compressor；
The water return pipeline is connect by the heat exchanger with the outlet pipeline, and the heat exchanger and the compressor connect
It connects, the water pump and the heating device are set in turn on the water return pipeline；
The environment temperature sensor obtains ambient temperature value for detecting environment temperature；
The control device and the environment temperature sensor, the heating device, the water pump and the compressor connect
It connects, for controlling the heating device, the water pump and compressor operation according to the ambient temperature value；
The water temperature sensor is set to the water return pipeline or the outlet pipeline, for detect the water return pipeline or
Water temperature in the outlet pipeline obtains water temperature value；
The control device is connect with the water temperature sensor, is also used to control the water pump according to the water temperature value
Interrupter duty.
Further, in preferred embodiments of the present invention, the control device is also used to according to the water temperature value
The water pump is controlled reciprocally to open the first preset time and stop the second preset time.
Further, in preferred embodiments of the present invention, the control device is also used to water temperature value described in comparison
With the first preset value, when the water temperature value is greater than first preset value, the control device is for controlling the water pump
Intermitten operation.
Further, in preferred embodiments of the present invention, when the water temperature value is greater than first preset value, institute
Water pump intermitten operation is stated, until the water temperature value reaches second preset value, the control device is also used to control described
Water pump stops working.
Further, in preferred embodiments of the present invention, the control device is also used to water temperature value described in comparison
With the first preset value, when the water temperature value is less than first preset value, the control device is for controlling the water pump
It is run with the heating device.
Further, in preferred embodiments of the present invention, when the water temperature value be less than first preset value and
When greater than third preset value, the control device controls the heating device and heats to water for controlling the water pump operation,
So that the water temperature value is greater than first preset value.
Further, in preferred embodiments of the present invention, the control device is also used to ambient temperature value described in comparison
With the 4th preset value, when the ambient temperature value is less than four preset value, the control device is for controlling described add
Thermal, the water pump and compressor operation, so that the water temperature value is greater than the second preset value.
Further, in preferred embodiments of the present invention, the control device is also used to water temperature value described in comparison
With third preset value, when the water temperature value is less than the third preset value, the control device is also used to control described
Compressor, the pump working, and control the heating device and water is heated, it is preset so that the water temperature value is greater than second
Value.
Further, in preferred embodiments of the present invention, the water temperature sensor includes return water temperature sensor and goes out
Water temperature sensor,
The return water temperature sensor is used to detect the return water temperature in water return pipeline, and obtains return water temperature value；
The leaving water temperature sensors are used to detect the leaving water temperature in outlet pipeline, and obtain leaving water temperature value；
The control device is connect with the return water temperature sensor and leaving water temperature sensors, for according to the return water
Temperature value and the leaving water temperature value control the water pump interrupter duty.
A kind of antifreeze control method, is applied to heat pump machine, and the heat pump machine includes environment temperature sensor, water temperature sensing
Device, water return pipeline, outlet pipeline, water pump, heating device, heat exchanger, control device and compressor；
The water return pipeline is connect by the heat exchanger with the outlet pipeline, and the heat exchanger and the compressor connect
It connects, the water pump and the heating device are set in turn on the water return pipeline；
The antifreeze control method includes:
The environment temperature sensor detects environment temperature, and obtains ambient temperature value；
The control device controls the heating device, the water pump and compressor fortune according to the ambient temperature value
Row；
The water temperature sensor detects the water temperature in the water return pipeline or outlet pipeline, obtains water temperature value；
The control device controls the water pump interrupter duty according to the water temperature value.
Further, described disconnected according to the water temperature value control water pump in preferred embodiments of the present invention
The step of continuous work includes: the control device water temperature value and third preset value, when the water temperature value
More than or equal to the third preset value, it is default whether the control device water temperature value is greater than or equal to first
Value, when the water temperature value is greater than or equal to the first preset value, the control device controls the water pump intermitten operation.
Further, in preferred embodiments of the present invention, when the water temperature value less than the first preset value and is greater than
Or when being equal to the third preset value, the control device controls the water pump and heating device operation.
Further, in preferred embodiments of the present invention, the control device water temperature value and third
Preset value, when the water temperature value is less than the third preset value, the control device controls the compressor, the water
Pump work, and control the heating device and water is heated, so that the water temperature value is greater than the second preset value.
Further, described to control the heating device, institute according to ambient temperature value in preferred embodiments of the present invention
Stating the step of water pump and the compressor are run includes: the control device ambient temperature value and the 4th preset value,
When the ambient temperature value is less than four preset value, the control device control the heating device, the water pump and
The compressor operation, so that the water temperature value is greater than the second preset value.
The beneficial effect of heat pump machine and antifreeze control method provided by the invention is: in the present invention, control device foundation
Water temperature value controls water pump interrupter duty, enables water pump when water temperature value is more than a certain numerical value, moreover it is possible to it runs, it can
Improve to leave unused in winter and do not open the problem that freezes occurred, improves the service life of heat pump machine.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the heat pump machine that the embodiment of the present invention one provides.
Fig. 2 is the composition block diagram for the heat pump machine that the embodiment of the present invention one provides.
Fig. 3 is the flow chart of antifreeze control method provided by Embodiment 2 of the present invention.
Fig. 4 is the flow chart of the step S400 of antifreeze control method provided by Embodiment 2 of the present invention.
Icon: 100- heat pump machine；110- environment temperature sensor；120- water temperature sensor；122- leaving water temperature sensors；
124- return water temperature sensor；130- water pump；140- heating device；150- control device；160- compressor；170- heat exchanger；
180- water return pipeline；190- outlet pipeline.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment one
Referring to Fig. 1, present embodiments providing a kind of heat pump machine 100, heat pump machine 100 provided in this embodiment can be from root
It solves the problems, such as that low form air source heat pump machine leaves unused in winter in sheet and does not open freezing of occurring, improve making for heat pump machine 100
Use the service life.
Heat pump machine 100 include environment temperature sensor 110, water temperature sensor 120, water return pipeline 180, outlet pipeline 190,
Water pump 130, heating device 140, heat exchanger 170, control device 150 and compressor 160.
Water return pipeline 180 is connect by heat exchanger 170 with outlet pipeline 190, and heat exchanger 170 is connect with compressor 160, water
Pump 130 and heating device 140 are set in turn on water return pipeline 180.
Environment temperature sensor 110 obtains ambient temperature value for detecting environment temperature.
Control device 150 is connect with environment temperature sensor 110, heating device 140, water pump 130 and compressor 160, is used
It is run according to ambient temperature value control heating device 140, water pump 130 and compressor 160.
The setting of water temperature sensor 120 is in water return pipeline 180 or outlet pipeline 190, for detecting water return pipeline 180 or going out
Water temperature in water lines 190 obtains water temperature value.
Control device 150 is connect with water temperature sensor 120, is also used to control the interrupted work of water pump 130 according to water temperature value
Make.
In the present embodiment, it is default also reciprocally to start first according to water temperature value control water pump 130 for control device 150
The second preset time of time and stopping.
In the present embodiment, the first preset time is 5 minutes, and the second preset time is 30 minutes.150 foundation of control device
Water temperature value controls reciprocal operation 5 minutes of water pump 130, stops 30 minutes.So that water pump 130 is higher than the in water temperature value
One preset value T01Can also intermitten operation, avoid the frozen problem do not opened when heat pump machine 100 leaves unused in winter.
In the present embodiment, water temperature sensor 120 includes return water temperature sensor 124 and leaving water temperature sensors 122.
Return water temperature sensor 124 obtains return water temperature value for detecting return water temperature.
Leaving water temperature sensors 122 obtain leaving water temperature value for detecting leaving water temperature.
Control device 150 is connect with return water temperature sensor 124 and leaving water temperature sensors 122, for according to return water temperature
Angle value and leaving water temperature value control 130 interrupter duty of water pump.
In the present embodiment, water temperature value can be return water temperature value, be also possible to leaving water temperature value.
In the present embodiment, control device 150 is also used to compare water temperature value and T01, when water temperature value is greater than T01,
Control device 150 is for controlling 130 intermitten operation of water pump.
When water temperature value is greater than T01, 130 intermitten operation of water pump, until water temperature value reaches the second preset value T02, control
Device 150 is also used to control water pump 130 and stops working.
T in the present embodiment01It is 10 degrees Celsius, T02It is 18 degrees Celsius.When water temperature sensor 120 is detected greater than T01, small
In T02When, control device 150 controls 130 interrupter duty of water pump, and water pump 130 reciprocally works the first preset time, stops second
Preset time, water pump 130 heat water to T02Afterwards, control device 150 controls water pump 130 and stops working.
In the present embodiment, when water temperature value is less than T01, control device 150 is for controlling water pump 130 and heating device
140 operations.
In the present embodiment, when water temperature value is less than T01And it is greater than third preset value T03When, control device 150 controls
Water pump 130 is run, and is controlled heating device 140 and heated to water, so that water temperature value is greater than T01。
In the present embodiment, T03It is 5 degrees Celsius.
In the present embodiment, when being greater than 5 degrees Celsius less than 10 degrees Celsius when water temperature value, control device 150 controls water
Pump 130 is run simultaneously with heating device 140, is heated to water, after water temperature value reaches 10 degrees Celsius, control device
150 close heating device 140, and control 130 intermittent heat of water pump, until water temperature value is greater than 18 degrees Celsius.
In the present embodiment, control device 150 compares water temperature value and T03, when water temperature value is less than T03When, control
Device 150 controls compressor 160, water pump 130 works, and controls heating device 140 and heat to water, so that water temperature value is greater than
T02。
In the present embodiment, when water temperature value is less than 5 degrees Celsius, compressor 160, water pump 130 and heating device 140 are same
When water is heated so that water temperature value is greater than 18 degrees Celsius, compressor 160, heating device 140 and water pump 130 stop
Work.
In the present embodiment, compressor 160 and environment temperature sensor 110 etc. constitute outdoor machine part, water pump 130,
Heating device 140, water temperature sensor 120 form outdoor machine part.
The working principle of heat pump machine 100 provided in this embodiment: in the present embodiment, control device 150 compares environment temperature
Angle value and the 4th preset value T04, when ambient temperature value is greater than T04When, heat pump machine 100 do not have to it is antifreeze, do not enter anti-freezing pattern, i.e.,
Controllable refrigerating/heating apparatus 140, water pump 130 and compressor 160 work.When ambient temperature value is less than T04When, heat pump machine 100 enters anti-
Jelly mode.Control device 150 compares return water temperature value or leaving water temperature value and T03, when return water temperature value or leaving water temperature value are less than
T03When, control device 150 controls compressor 160 and water pump 130 works, and controls heating device 140 and heat to water, makes return water temperature
Angle value and leaving water temperature value are greater than T02。
When return water temperature value or leaving water temperature value are greater than T03When, control device 150 compares return water temperature value or leaving water temperature
Value and T01, when return water temperature value or leaving water temperature value are less than T01When, control device 150 controls water pump 130 and works, and controls and add
Thermal 140 heats water, and water temperature is made to reach T01, water temperature reaches T01Afterwards, control device 150 controls heating device 140 and closes simultaneously
130 interrupter duty of water pump is controlled, until water temperature value reaches T03, water pump 130 stops working.
When return water temperature value or leaving water temperature value are greater than T01When, control device 150 controls heating device 140 and closes and control
130 interrupter duty of water pump, until water temperature value reaches T03, water pump 130 stops working.
In conclusion heat pump machine 100 provided in this embodiment is higher than T in return water temperature value or leaving water temperature value01Afterwards, water
130 meeting intermitten operation of pump, it is known that water temperature value reaches T02.It is less than T in water temperature value03When, control device 150 can control
Compressor 160 is run, until water temperature value reaches T02.Heat pump machine 100 provided in this embodiment can fundamentally solve low
Warm type air source heat pump machine 100 leaves unused in winter does not open the problem that freezes occurred, improves the service life of heat pump machine 100.
Embodiment two
Fig. 3 and Fig. 4 are please referred to, a kind of antifreeze control method is present embodiments provided, the heat provided applied to embodiment one
Pump machine 100, it is not busy in winter that antifreeze control method provided in this embodiment can fundamentally solve low form air source heat pump machine
The problem that freezes do not opened and occurred is set, the service life of heat pump machine 100 is improved.
In order to briefly describe, the non-mentioned position of the present embodiment can refer to embodiment one.
Specific step is as follows:
Step S100, environment temperature sensor 110 detects environment temperature, and obtains ambient temperature value.
Step S200, control device 150 is according to ambient temperature value control heating device 140, water pump 130 and compressor 160
Operation；
In the present embodiment, control device 150 compares ambient temperature value and T04, control device 150 compares ambient temperature value
With T04, when ambient temperature value is greater than T04When, heat pump machine 100 do not have to it is antifreeze, do not enter anti-freezing pattern.When ambient temperature value is less than
T04When, heat pump machine 100 enters anti-freezing pattern, i.e., controllable heating device 140, water pump 130 and compressor 160 work.
Step S300, water temperature sensor 120 detect the water temperature in water return pipeline 180 or outlet pipeline 190, obtain water temperature
Temperature value；
In the present embodiment, water temperature sensor 120 includes return water temperature sensor 124 and leaving water temperature sensors 122, is returned
Water temperature sensor 124 is used to detect the return water temperature in water temperature pipeline, and obtains return water temperature value.
Leaving water temperature sensors 122 are used to detect the leaving water temperature in outlet pipeline 190, and obtain return water temperature value.
Step S400, control device 150 control 130 interrupter duty of water pump according to water temperature value.
In the present embodiment, control device 150 controls the interrupted work of water pump 130 according to leaving water temperature value or return water temperature value
Make.
Step S410, control device 150 compare ambient temperature value and T04。
Step S411, when ambient temperature value is greater than T04When, heat pump machine 100 is without antifreeze operation.
Step S412, when ambient temperature value is less than T04When, control device 150 compares water temperature value and T03。
Step S413, when water temperature value is less than T03When, control device 150 controls compressor 160 and water pump 130 works,
And it controls heating device 140 and water is heated.Until water temperature value reaches T02, heat pump machine 100 exits antifreeze operation.
Step S414, when water temperature value is greater than T03When, control device 150 compares water temperature value and T01。
Step S415, when water temperature value is greater than T03Less than T01When, control device 150 controls water pump 130 and runs, and controls
Refrigerating/heating apparatus 140 heats water, until water temperature value is greater than T01。
Step S416, when water temperature value is greater than T01When, control device 150 compares water temperature value and T02。
Step S417, when water temperature value is less than T02, control device 150 controls 130 intermitten operation of water pump, until water temperature temperature
Angle value is higher than T02, it is out of service that control device 150 controls water pump 130.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of heat pump machine, which is characterized in that including environment temperature sensor, water temperature sensor, water return pipeline, outlet pipeline,
Water pump, heating device, heat exchanger, control device and compressor；
The water return pipeline is connect by the heat exchanger with the outlet pipeline, and the heat exchanger is connect with the compressor,
The water pump and the heating device are set in turn on the water return pipeline；
The environment temperature sensor obtains ambient temperature value for detecting environment temperature；
The control device is connect with the environment temperature sensor, the heating device, the water pump and the compressor, is used
It is run in controlling the heating device, the water pump and the compressor according to the ambient temperature value；
The water temperature sensor is set to the water return pipeline or the outlet pipeline, for detecting the water return pipeline or described
Water temperature in outlet pipeline obtains water temperature value；
The control device is connect with the water temperature sensor, is also used to control the water pump according to the water temperature value interrupted
Work；
The control device is also used to water temperature value described in comparison and the first preset value, when the water temperature value is greater than described
First preset value, the control device control the water pump intermitten operation；
The control device is also used to water temperature value described in comparison and the first preset value, when the water temperature value is less than described
First preset value, the control device are run for controlling the water pump and the heating device.
2. heat pump machine according to claim 1, which is characterized in that the control device is also used to according to the water temperature
Value controls the water pump and reciprocally opens the first preset time and stop the second preset time.
3. heat pump machine according to claim 1, which is characterized in that when the water temperature value is less than first preset value
And when being greater than third preset value, the control device controls the heating device and adds to water for controlling the water pump operation
Heat, so that the water temperature value is greater than first preset value.
4. heat pump machine according to claim 1, which is characterized in that the control device is also used to environment temperature described in comparison
Value and the 4th preset value, when the ambient temperature value is less than four preset value, the control device is described for controlling
Heating device, the water pump and compressor operation, so that the water temperature value is greater than the second preset value.
5. heat pump machine according to claim 1, which is characterized in that the control device is also used to water temperature described in comparison
Value and third preset value, when the water temperature value is less than the third preset value, the control device is also used to control institute
Compressor, the pump working are stated, and controls the heating device and water is heated, so that the water temperature value is greater than second in advance
If value.
6. heat pump machine according to claim 1, which is characterized in that the water temperature sensor include return water temperature sensor and
Leaving water temperature sensors；
The return water temperature sensor is used to detect the return water temperature in water return pipeline, and obtains return water temperature value；
The leaving water temperature sensors are used to detect the leaving water temperature in outlet pipeline, and obtain leaving water temperature value；
The control device is connect with the return water temperature sensor and leaving water temperature sensors, for according to the return water temperature
Value and the leaving water temperature value control the water pump interrupter duty.
7. a kind of antifreeze control method, be applied to heat pump machine, which is characterized in that the heat pump machine include environment temperature sensor,
Water temperature sensor, water return pipeline, outlet pipeline, water pump, heating device, heat exchanger, control device and compressor；
The water return pipeline is connect by the heat exchanger with the outlet pipeline, and the heat exchanger is connect with the compressor,
The water pump and the heating device are set in turn on the water return pipeline；
The antifreeze control method includes:
The environment temperature sensor detects environment temperature, and obtains ambient temperature value；
The control device controls the heating device, the water pump and compressor operation according to the ambient temperature value；
The water temperature sensor detects the water temperature in the water return pipeline or outlet pipeline, obtains water temperature value；
The control device controls the water pump interrupter duty according to the water temperature value；
The control device according to the water temperature value control the water pump interrupter duty the step of include:
Whether the control device water temperature value is greater than or equal to the first preset value, when the water temperature value is big
In or be equal to the first preset value, the control device controls the water pump intermitten operation；
When the water temperature value is less than the first preset value, the control device controls the water pump and heating device fortune
Row.
8. antifreeze control method according to claim 7, which is characterized in that in the control device water
Whether warm temperature value is greater than or equal to the first preset value, when the water temperature value is greater than or equal to the first preset value, the control
It is described to control the interrupted work of water pump according to the water temperature value before device processed controls the step of water pump intermitten operation
As the step of include: the control device water temperature value and third preset value, when the water temperature value is greater than
Or it is equal to the third preset value, whether the control device water temperature value is greater than or equal to the first preset value.
9. antifreeze control method according to claim 8, which is characterized in that when the water temperature value is default less than first
When being worth and being greater than or equal to the third preset value, the control device controls the water pump and heating device operation.
10. antifreeze control method according to claim 9, which is characterized in that the control device water temperature temperature
Angle value and third preset value, when the water temperature value is less than the third preset value, the control device controls the pressure
Contracting machine, the pump working, and control the heating device and water is heated, it is preset so that the water temperature value is greater than second
Value.
11. antifreeze control method according to claim 7, which is characterized in that the control device is according to environment temperature
The step of angle value control heating device, the water pump and the compressor are run includes: that the control device is relatively more described
Ambient temperature value and the 4th preset value, when the ambient temperature value is less than four preset value, the control device control
The heating device, the water pump and compressor operation, so that the water temperature value is greater than the second preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692137.1A CN107461925B (en) | 2017-08-14 | 2017-08-14 | A kind of heat pump machine and antifreeze control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710692137.1A CN107461925B (en) | 2017-08-14 | 2017-08-14 | A kind of heat pump machine and antifreeze control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461925A CN107461925A (en) | 2017-12-12 |
| CN107461925B true CN107461925B (en) | 2019-10-29 |
Family
ID=60549299
Family Applications (1)
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| CN108317727B (en) * | 2018-02-05 | 2020-08-25 | 广东美的暖通设备有限公司 | Water heater and anti-freezing control method, controller and storage medium of water path system of water heater |
| CN108716705A (en) * | 2018-05-28 | 2018-10-30 | 海宁欧乐威环境科技有限公司 | A kind of antifreeze heat pump floor heating system |
| CN108931084B (en) * | 2018-07-04 | 2019-10-18 | 珠海格力电器股份有限公司 | Freezing protection control device, heat pump unit and its antifreeze control method of heat pump unit |
| CN110873458A (en) * | 2018-08-29 | 2020-03-10 | 江苏美力格环境科技有限公司 | Automatic anti-freezing system of air energy water heater and control method thereof |
| CN110877588B (en) * | 2018-09-06 | 2021-06-18 | 北汽福田汽车股份有限公司 | Vehicle anti-freezing control method and device and vehicle |
| CN110131145B (en) * | 2019-05-16 | 2020-06-09 | 珠海格力电器股份有限公司 | Water pump control method and system and air conditioner |
| CN110470060A (en) * | 2019-08-20 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of heating equipment water circulation controlling means and heating equipment |
| CN111207485B (en) * | 2020-01-09 | 2021-07-13 | 珠海格力电器股份有限公司 | Anti-freezing control method and device, storage medium and water multi-connected system |
| CN111765648A (en) * | 2020-04-28 | 2020-10-13 | 浙江中广电器股份有限公司 | Anti-freezing control method, processor and air source heat pump system |
| CN114623599A (en) * | 2020-11-26 | 2022-06-14 | 宁波方太厨具有限公司 | Water heater and go out water control system, water supply system thereof |
| CN113531914A (en) * | 2021-07-20 | 2021-10-22 | 珠海格力电器股份有限公司 | Anti-freezing control method and control device for water heater and water heater system |
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