CN110094849A - Air-conditioning heat pump water system and its antifreeze control method, device and equipment - Google Patents
Air-conditioning heat pump water system and its antifreeze control method, device and equipment Download PDFInfo
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- CN110094849A CN110094849A CN201910444193.2A CN201910444193A CN110094849A CN 110094849 A CN110094849 A CN 110094849A CN 201910444193 A CN201910444193 A CN 201910444193A CN 110094849 A CN110094849 A CN 110094849A
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- Prior art keywords
- air
- heat pump
- water system
- temperature
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
Abstract
This disclosure relates to a kind of air-conditioning heat pump water system and its antifreeze control method, device and equipment.The air-conditioning heat pump water system antifreeze control method includes: to obtain air-conditioner temperature parameter in the case where air-conditioning heat pump water system is in shutdown status；According to air-conditioner temperature parameter, judge whether to start heat pump unit.The disclosure detects air-conditioner temperature parameter, by calculating and logic judgment, realizes adaptive unlatching unit, thus it can be prevented that interior machine water route component is freezing.
Description
Technical field
This disclosure relates to air-conditioning heat pump field, in particular to a kind of air-conditioning heat pump water system and its antifreeze control method, dress
It sets and equipment.
Background technique
With the continuous improvement that being constantly progressive for social development, consumer require quality of the life, to needed for air-conditioning products
The function of wanting is more and more, and reliability requirement is also to step up, in winter, empty especially in the water system heat pump of household
Pipeline is adjusted to be easy to appear icing freezing phenomena.
Summary of the invention
It is found by the applicant that: there are many kinds of types for the antifreezing measures that the relevant technologies can be taken, and the relevant technologies can be with water supply system
According to suitable proportion charging ethylene glycol antifreeze in pipeline；Or water supply system is thoroughly put when the relevant technologies compressor emergency shutdown
Water.
The relevant technologies have the following disadvantages and deficiency: needing user voluntarily to add anti-icing fluid, and the additive amount of anti-icing fluid is complete
Depending on feeling entirely by user；It needs user manually to bleed off the water of system pipeline when not in use, and cannot ensure in management
Water is emptied completely.
Two kinds of antifreeze modes of the relevant technologies implement very inconvenient, need manually to adjust, manually adjust
Adjusting logic can not accurately and timely be replaced and waste power supply by carrying out antifreeze will lead to, and can not achieve energy-efficient purpose.
In view of at least one in the above technical problem, present disclose provides a kind of air-conditioning heat pump water system and its antifreeze controls
Method, apparatus and equipment processed.
According to one aspect of the disclosure, a kind of air-conditioning heat pump water system antifreeze control method is provided, comprising:
In the case where air-conditioning heat pump water system is in shutdown status, air-conditioner temperature parameter is obtained；
According to air-conditioner temperature parameter, judge whether to start heat pump unit.
In some embodiments of the present disclosure, the air-conditioning heat pump water system antifreeze control method further include:
In the case where air-conditioning heat pump water system is in shutdown status, keep water pump and water system in running order；It
Afterwards, the step of obtaining air-conditioner temperature parameter is executed.
In some embodiments of the present disclosure, the air-conditioner temperature parameter includes water system water temperature；The water system water temperature
Including inlet water temperature, output water temperature and antifreeze water temperature, in which:
Inlet water temperature is the water temperature of heat exchanger water inlet；
Output water temperature is the water temperature of heat exchanger water outlet；
Antifreeze water temperature is the water temperature of outdoor water system pipeline.
In some embodiments of the present disclosure, according to air-conditioner temperature parameter, judge whether that starting heat pump unit includes:
The minimum water temperature of water system is determined according to inlet water temperature, output water temperature and antifreeze water temperature；
Judged whether to start heat pump unit according to the minimum water temperature of water system.
It is described to be judged whether to start heat pump unit packet according to the minimum water temperature of water system in some embodiments of the present disclosure
It includes:
In the case where the minimum water temperature of water system is not more than the first water temperature threshold value, start heat pump unit, opens anti-frost protection
Mode；
In the case where the minimum water temperature of water system is greater than the first water temperature threshold value and is not more than the second water temperature threshold value, heat is maintained
The current state of pump assembly, wherein the second water temperature threshold value is greater than the first water temperature threshold value；
In the case where the minimum water temperature of water system is greater than the second water temperature threshold value, control heat pump unit is shut down, and exits antifreeze guarantor
Shield mode.
In some embodiments of the present disclosure, the air-conditioner temperature parameter further includes outdoor environment temperature；It is described according to sky
Temperature regulating parameter judges whether to start heat pump unit further include:
Judge whether outdoor environment temperature is greater than specific environment temperature threshold；
In the case where outdoor environment temperature is greater than specific environment temperature threshold, heat pump unit is failure to actuate；
In the case where outdoor environment temperature is not more than specific environment temperature threshold, execute according to inlet water temperature, water outlet water
Mild antifreeze water temperature determines the step of water system minimum water temperature
According to another aspect of the present disclosure, a kind of air-conditioning heat pump water system freezing protection control device is provided, comprising:
Temperature acquisition module, in the case where air-conditioning heat pump water system is in shutdown status, obtaining air-conditioner temperature ginseng
Number；
Control module starts heat pump unit for judging whether according to air-conditioner temperature parameter.
Wherein, the air-conditioning heat pump water system freezing protection control device is realized as described in above-mentioned any embodiment for executing
The operation of air-conditioning heat pump water system antifreeze control method.
According to another aspect of the present disclosure, a kind of air-conditioning heat pump water system freezing protection control device is provided, comprising:
Memory, for storing instruction；
Processor is realized such as executing described instruction so that the air-conditioning heat pump water system freezing protection control device executes
The operation of air-conditioning heat pump water system antifreeze control method described in any of the above-described embodiment.
According to another aspect of the present disclosure, a kind of antifreeze control equipment of air-conditioning heat pump water system, including temperature sensing are provided
Device and air-conditioning heat pump water system freezing protection control device, in which:
Temperature sensor is sent to air-conditioning heat pump water system for measuring air-conditioner temperature parameter, and by air-conditioner temperature parameter
Freezing protection control device；
Air-conditioning heat pump water system freezing protection control device, it is antifreeze for the air-conditioning heat pump water system as described in above-mentioned any embodiment
Control device.
According to another aspect of the present disclosure, a kind of air-conditioning heat pump water system is provided, including as described in above-mentioned any embodiment
Air-conditioning heat pump water system freezing protection control device, and/or, it is anti-including the air-conditioning heat pump water system as described in above-mentioned any embodiment
Freeze control equipment.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, and the air conditioner heat as described in above-mentioned any embodiment is realized when described instruction is executed by processor
Pumping system antifreeze control method.
The disclosure is realized by calculating and logic judgment by detection air-conditioner temperature parameter and adaptively opens unit, thus
Interior machine water route component can be prevented freezing.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 a is the schematic diagram of the antifreeze control some embodiments of equipment of disclosure air-conditioning heat pump water system.
Fig. 1 b is the schematic diagram of antifreeze control other embodiments of equipment of disclosure air-conditioning heat pump water system.
Fig. 2 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system.
Fig. 3 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system antifreeze control method.
Fig. 4 is the schematic diagram of other embodiments of disclosure air-conditioning heat pump water system antifreeze control method.
Fig. 5 is the schematic diagram of the other embodiment of disclosure air-conditioning heat pump water system antifreeze control method.
Fig. 6 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system freezing protection control device.
Fig. 7 is the schematic diagram of other embodiments of disclosure air-conditioning heat pump water system freezing protection control device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
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, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 a is the schematic diagram of the antifreeze control some embodiments of equipment of disclosure air-conditioning heat pump water system.As shown in Figure 1a,
The antifreeze control equipment of disclosure air-conditioning heat pump water system may include temperature sensor 10 and the antifreeze control of air-conditioning heat pump water system
Device 20, in which:
Temperature sensor 10 is sent to air-conditioning heat pump water system for measuring air-conditioner temperature parameter, and by air-conditioner temperature parameter
System freezing protection control device 20.
In some embodiments of the present disclosure, the air-conditioner temperature parameter may include water system water temperature and outdoor environment temperature
Degree
Air-conditioning heat pump water system freezing protection control device 20, for the case where air-conditioning heat pump water system is in shutdown status
Under, obtain air-conditioner temperature parameter；According to air-conditioner temperature parameter, judge whether to start heat pump unit, to open anti-freezing protection mode.
Fig. 1 b is the schematic diagram of antifreeze control other embodiments of equipment of disclosure air-conditioning heat pump water system.Such as Fig. 1 b institute
Show, temperature sensor 10 shown in Fig. 1 a may include environment temperature sensor 11, water temperature sensor 12, in which:
Environment temperature sensor 11 is used for measuring outdoor ambient temperature, and sends air-conditioning heat pump for outdoor environment temperature
Water system freezing protection control device 20.
Water temperature sensor 12 for measuring water system water temperature, and sends air-conditioning heat pump water system for water system water temperature and prevents
Freeze control device 20.
Air-conditioning heat pump water system freezing protection control device 20, for the case where air-conditioning heat pump water system is in shutdown status
Under, obtain air-conditioner temperature parameter；According to air-conditioner temperature parameter, judge whether to start heat pump unit, to open anti-freezing protection mode.
Based on the antifreeze control equipment of disclosure air-conditioning heat pump water system provided by the above embodiment, outdoor environment can detecte
Temperature and water temperature realize adaptive unlatching unit, by calculating and logic judgment so as to prevent interior machine water route component from freezing
It is bad；Disclosure above-described embodiment can accurately determine the starting opportunity of heat pump unit, on the basis of realizing automatic freezing-protective, drop
Low energy consumption.
Fig. 2 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system.As shown in Fig. 2, disclosure air-conditioning heat pump
Water system may include outdoor unit 1, heat exchanger indoor unit (heat exchanger) 2, coolant loop system 3 and water circuit system 4,
In:
Coolant loop system 3, for being connected to outdoor unit and heat exchanger indoor unit.
In some embodiments of the present disclosure, coolant loop system 3 can be fluorine road system.
Water circuit system 4 to heat pump heating district heating and is mentioned for being connected to heat exchanger indoor unit and heat pump heating region
Supplying hot water.
In some embodiments of the present disclosure, outdoor unit 1, heat exchanger indoor unit 2 and coolant loop system 3 constitute heat pump
Unit.
In some embodiments of the present disclosure, disclosure air-conditioning heat pump water system can be implemented as air source heat pump.
In some embodiments of the present disclosure, disclosure air-conditioning heat pump water system can also include such as above-mentioned any embodiment
Air-conditioning heat pump water system freezing protection control device 20 described in (such as Fig. 1 a and Fig. 1 b reality embodiment).
In some embodiments of the present disclosure, disclosure air-conditioning heat pump water system can also include such as above-mentioned any embodiment
The antifreeze control equipment of air-conditioning heat pump water system described in (such as Fig. 1 a and Fig. 1 b embodiment).
In some embodiments of the present disclosure, as shown in Fig. 2, the antifreeze control equipment of the air-conditioning heat pump water system can wrap
Include environment temperature sensor 11, water temperature sensor and air-conditioning heat pump water system freezing protection control device, in which:
Environment temperature sensor 11, is set to outdoor unit, is used for measuring outdoor ambient temperature, and outdoor environment temperature is sent out
It is sent to air-conditioning heat pump water system freezing protection control device.
In some embodiments of the present disclosure, environment temperature sensor 11 can be implemented as environment temperature sensing package.
As described in Figure 2, water temperature sensor (such as water temperature sensor 12 shown in Fig. 1 b) may include inflow temperature sensing
Device 121, leaving water temperature sensors 122 and antifreeze temperature sensor 123, in which:
Inflow temperature sensor 121 is arranged in heat exchanger water inlet 21, for acquiring the water of heat exchanger water inlet
Temperature.
Leaving water temperature sensors 122 are arranged in heat exchanger water outlet 22, for acquiring the water of heat exchanger water outlet
Temperature.
The exposed water circuit system pipeline in outdoor is arranged in antifreeze temperature sensor 123, exposed in outdoor water for acquiring
System water temperature.
In some embodiments of the present disclosure, inflow temperature sensor 121, leaving water temperature sensors 122 and antifreeze temperature
Sensor 123 can be embodied as respectively into water temperature sensing package, water outlet temperature sensing package and antifreeze temperature sensing package.
It, can be by special antifreeze in outdoor arrangement based on disclosure air-conditioning heat pump water system provided by the above embodiment
Temperature sensing package, multiple spot detects water system water temperature, to reduce the freezing possibility of water system component, increase winter operation can
By property, unit automatic freezing-protective is protected when making user's winter outgoing.
Disclosure above-described embodiment passes through real-time detection water system inflow temperature, leaving water temperature, antifreeze temperature, in combination with
Actual ambient temperature, logic determine whether to open anti-freezing pattern automatically, thus it can be prevented that water system component is freezing, improve machine
Group reliability.
Disclosure above-described embodiment can protect unit water system and reduce the energy consumption of automatic freezing-protective.
It is found by the applicant that: for heat pump heating hot water machine, the water circuit system between heat pump unit and heating area has
There may be one section of exterior spaces.
As a result, disclosure above-described embodiment by external antifreeze temperature sensing package can it is more acurrate reflection water pipe in water temperature condition,
For antifreeze control, it more acurrate can start and protect heat pump unit, while on the basis of realizing automatic freezing-protective, more supernumerary segment
Energy.
Fig. 3 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system antifreeze control method.The present embodiment can be by
Disclosure air-conditioning heat pump water system or the antifreeze control equipment of air-conditioning heat pump water system freezing protection control device, air-conditioning heat pump water system are held
Row.Method includes the following steps:
Step 31, in the case where air-conditioning heat pump water system is in shutdown status, air-conditioner temperature parameter is obtained.
Step 32, according to air-conditioner temperature parameter, judge whether to start heat pump unit, to open anti-freezing protection mode.
Based on disclosure air-conditioning heat pump water system antifreeze control method provided by the above embodiment, outdoor environment can detecte
Temperature and water temperature realize adaptive unlatching unit, by calculating and logic judgment so as to prevent interior machine water route component from freezing
It is bad.
Fig. 4 is the schematic diagram of other embodiments of disclosure air-conditioning heat pump water system antifreeze control method.Fig. 4 embodiment
Step 41- step 42 is same or similar with the step 31- step 32 of Fig. 3 embodiment respectively.Fig. 4 the present embodiment can be by disclosure sky
Pump water system or the antifreeze control equipment of air-conditioning heat pump water system freezing protection control device, air-conditioning heat pump water system is adjusted to execute.The party
Method the following steps are included:
Step 40, in the case where air-conditioning heat pump water system is in shutdown status, water pump and water system is kept to be in work
State.
Step 41, in the case where air-conditioning heat pump water system is in shutdown status, air-conditioner temperature parameter is obtained.
In some embodiments of the present disclosure, the air-conditioner temperature parameter may include water system water temperature and outdoor environment temperature
Degree
In some embodiments of the present disclosure, the water system water temperature may include inlet water temperature, output water temperature and antifreeze
Water temperature, in which:
Inlet water temperature is the water system water temperature that the inflow temperature sensor 121 of heat exchanger water inlet 21 is arranged in and acquires.
Output water temperature is the water system water temperature that the leaving water temperature sensors 122 of heat exchanger water outlet 22 are arranged in and acquire.
Antifreeze water temperature is the water system water temperature that the antifreeze temperature sensor 123 of outdoor water system pipeline is arranged in and acquires.
Step 42, according to air-conditioner temperature parameter, judge whether to start heat pump unit, to open anti-freezing protection mode.
In some embodiments of the present disclosure, step 42 may include:
Step 421, the minimum water temperature of water system is determined according to inlet water temperature, output water temperature and antifreeze water temperature.
In some embodiments of the present disclosure, step 421 may include: according to inlet water temperature, output water temperature and anti-freezing water
The minimum value of temperature determines the minimum water temperature of water system.
Step 422, judged whether to start heat pump unit according to the minimum water temperature of water system.
In some embodiments of the present disclosure, step 422 may include:
Step 4221, in the case where the minimum water temperature of water system is not more than the first water temperature threshold value, start heat pump unit, open
Anti-freezing protection mode.
Step 4222, the case where the minimum water temperature of water system is greater than the first water temperature threshold value and is not more than the second water temperature threshold value
Under, maintain the current state of heat pump unit, wherein the second water temperature threshold value is greater than the first water temperature threshold value.
Step 4223, in the case where the minimum water temperature of water system is greater than the second water temperature threshold value, control heat pump unit is shut down, and is moved back
Anti-freezing protection mode out.
Disclosure above-described embodiment can be by the way that in the special antifreeze temperature sensing package of outdoor arrangement, multiple spot detects water system water
Temperature increases the reliability of winter operation to reduce the freezing possibility of water system component, and user's winter is allowed to go out opportunity
Group automatic freezing-protective protection.
Heat pump antifreezing measures in disclosure above-described embodiment, default water pump are always on.Thus the above-mentioned implementation of the disclosure
Example can substantially reduce freezing risk when water circulation is got up, and the recovery electric heating system of water is good, and water pump opens the water and high temperature that can make low temperature
Water mixing, prevents the too low bursting by freezing of local water temperature.
In disclosure above-described embodiment, always on water pump is first of antifreezing measures；Antifreezing measures later are detections
Antifreeze temperature sensing package temperature value, then judgement carries out antifreeze movement: opening heat pump unit, maintains current state, shuts down, reaches energy conservation
With antifreeze purpose.Compared with the relevant technologies, antifreezing effect is more preferable for disclosure above-described embodiment control mode and measure, more supernumerary segment
Can, without increasing electric heating, no leakage risk.
Fig. 5 is the schematic diagram of the other embodiment of disclosure air-conditioning heat pump water system antifreeze control method.Fig. 5 the present embodiment
It can be set by the antifreeze control of disclosure air-conditioning heat pump water system or air-conditioning heat pump water system freezing protection control device, air-conditioning heat pump water system
It is standby to execute.Method includes the following steps:
Step 51, judge whether air-conditioning heat pump water system is in shutdown status, wherein the shutdown status may include sky
Pump water system is adjusted to be in outgoing mode.
Step 52, in the case where air-conditioning heat pump water system is in shutdown status, judge outdoor environment temperature TRingIt is whether big
In specific environment temperature threshold A.In outdoor environment temperature TRingIn the case where specific environment temperature threshold A, it is believed that machine
Group water system without it is freezing a possibility that, be not turned on antifreeze, unit is failure to actuate.
Step 53, in outdoor environment temperature TRingIn the case where no more than specific environment temperature threshold A, according to inlet water temperature
TWater inlet, output water temperature TWater outletWith antifreeze water temperature TIt is antifreezeMinimum value determine the minimum water temperature T of water systemmin, that is, Tmin=min { TWater inlet、
TWater outlet、TIt is antifreeze}；Later, by the minimum water temperature T of water systemminWith the first water temperature threshold value TIfΔ t and the second water temperature threshold value TIfCompared
Compared with wherein Δ t is predetermined temperature difference parameter.
Step 54, in environment temperature TRing≤ A and Tmin≤TIfIn the case where Δ t, it is believed that environment temperature is lower, exists
Biggish freezing possibility, while showing that heat pump unit water circuit system temperature is lower, there are the risk of freezing component, heat pump machines
Group anti-frost protection automatically turns on.
Step 55, in environment temperature TRing≤ A and TIfΔ t < Tmin≤TIfIn the case where, it is believed that there are still freezing for unit
Risk, heat pump unit needs to maintain current state (maintaining front movement), so that water system water temperature reaches safe range, thus originally
It is open not only to have can protect water system component, but also it is avoided that heat pump unit frequently switches on machine and power consumption is caused to waste.
Step 56, in environment temperature TRing≤ A and Tmin> TIfIn the case where, show that water system temperature reaches safe range, no
There are freezing risk, heat pump unit is shut down.
Disclosure above-described embodiment proposes the control method of a kind of air-conditioning shutdown status or outgoing mode, is particularly directed to
Air-conditioning heat pump water system pipeline has the exposed engineering in outdoor, adaptive to open unit etc. by the detection to water system temperature
Serial control action achievees the purpose that protect unit reliability, realizes the function of winter automatic freezing-protective, thus the above-mentioned reality of the disclosure
When applying example can prevent winter also cold weather user from going out, the technical problem that causes interior machine water route component freezing.
Fig. 6 is the schematic diagram of some embodiments of disclosure air-conditioning heat pump water system freezing protection control device.As shown in fig. 6, this
Disclosure air-conditioning heat pump water system freezing protection control device (such as the antifreeze control of air-conditioning heat pump water system of Fig. 1 a and Fig. 1 b reality embodiment
Device 20) it may include temperature acquisition module 61 and control module 62, in which:
Temperature acquisition module 61, for obtaining air-conditioner temperature in the case where air-conditioning heat pump water system is in shutdown status
Parameter.
In some embodiments of the present disclosure, the air-conditioner temperature parameter may include water system water temperature and outdoor environment temperature
Degree
In some embodiments of the present disclosure, the water system water temperature may include inlet water temperature, output water temperature and antifreeze
Water temperature, in which: inlet water temperature is that the water system water temperature of the inflow temperature sensor acquisition of heat exchanger water inlet is arranged in；Water outlet
Water temperature is that the water system water temperature of the leaving water temperature sensors acquisition of heat exchanger water outlet is arranged in；Antifreeze water temperature is to be arranged in room
The water system water temperature of the antifreeze temperature sensor acquisition of outer water system pipeline.
Control module 62 starts heat pump unit for judging whether according to air-conditioner temperature parameter, to open anti-frost protection mould
Formula.
In some embodiments of the present disclosure, control module 62 can be used for being in shutdown status in air-conditioning heat pump water system
In the case where, keep water pump and water system in running order；According to air-conditioner temperature parameter, judge whether to start heat pump unit,
To open anti-freezing protection mode.
Heat pump antifreezing measures in disclosure above-described embodiment, default water pump are always on.Thus the above-mentioned implementation of the disclosure
Example can substantially reduce freezing risk when water circulation is got up, and the recovery electric heating system of water is good, and water pump opens the water and high temperature that can make low temperature
Water mixing, prevents the too low bursting by freezing of local water temperature.
In some embodiments of the present disclosure, control module 62 can be used for according to inlet water temperature, output water temperature and antifreeze
Water temperature determines the minimum water temperature of water system；Judged whether to start heat pump unit according to the minimum water temperature of water system.
In some embodiments of the present disclosure, it is predetermined that control module 62 can be used for judging whether outdoor environment temperature is greater than
Environment temperature threshold value；In the case where outdoor environment temperature is greater than specific environment temperature threshold, heat pump unit is failure to actuate, and is not started
Anti-freezing protection mode.
In some embodiments of the present disclosure, control module 62 can be used in outdoor environment temperature no more than specific environment
In the case where temperature threshold, the minimum water temperature of water system is determined according to inlet water temperature, output water temperature and antifreeze water temperature；According to water system
Minimum water temperature judges whether to start heat pump unit, to open anti-freezing protection mode.
In some embodiments of the present disclosure, control module 62 can be used in the minimum water temperature of water system no more than the first water
In the case where warm threshold value, start heat pump unit, opens anti-freezing protection mode；It is greater than the first water temperature threshold in the minimum water temperature of water system
In the case where being worth and being not more than the second water temperature threshold value, the current state of heat pump unit is maintained, wherein the second water temperature threshold value is greater than
First water temperature threshold value；In the case where the minimum water temperature of water system is greater than the second water temperature threshold value, control heat pump unit is shut down, and is exited anti-
Freeze protected mode.
In some embodiments of the present disclosure, the air-conditioning heat pump water system freezing protection control device is realized as above for executing
State the operation of air-conditioning heat pump water system antifreeze control method described in any embodiment (such as Fig. 3-Fig. 5 any embodiment).
It, can be by outdoor cloth based on disclosure air-conditioning heat pump water system freezing protection control device provided by the above embodiment
Special antifreeze temperature sensing package is set, multiple spot detection water system water temperature increases to reduce the freezing possibility of water system component
The reliability of winter operation, unit automatic freezing-protective is protected when making user's winter outgoing.
Fig. 7 is the schematic diagram of other embodiments of disclosure air-conditioning heat pump water system freezing protection control device.As shown in fig. 7,
Disclosure air-conditioning heat pump water system freezing protection control device (such as the antifreeze control of air-conditioning heat pump water system of Fig. 1 a and Fig. 1 b embodiment
Device 20) it may include memory 71 and processor 72, in which:
Memory 71, for storing instruction.
Processor 72, for executing described instruction, so that the air-conditioning heat pump water system freezing protection control device executes realization
The behaviour of air-conditioning heat pump water system antifreeze control method as described in above-mentioned any embodiment (such as Fig. 3-Fig. 5 any embodiment)
Make.
In disclosure above-described embodiment, water pump always on (i.e. water pump is constantly in working condition) is antifreeze to arrange for first
It applies；Antifreezing measures later are the antifreeze temperature sensing package temperature values of detection, and then judgement carries out antifreeze movement: opening heat pump unit, dimension
It holds current state, shut down, achieve the purpose that energy saving and antifreeze.Disclosure above-described embodiment control mode and measure and the relevant technologies
It compares, antifreezing effect is more preferable, and it is more energy saving, without increasing electric heating, no leakage risk.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, is realized when described instruction is executed by processor such as above-mentioned any embodiment (such as Fig. 3-Fig. 5
Any embodiment) described in air-conditioning heat pump water system antifreeze control method.
It, can be by special in outdoor arrangement based on disclosure computer readable storage medium provided by the above embodiment
Antifreeze temperature sensing package, multiple spot detect water system water temperature, by calculating and logic judgment, adaptive unlatching unit are realized, to reduce
Water system component freezing possibility, increases the reliability of winter operation, unit automatic freezing-protective when making user's winter outgoing
Protection.
Air-conditioning heat pump water system freezing protection control device described above can be implemented as being retouched for executing the application
State the general processor, programmable logic controller (PLC) (PLC), digital signal processor (DSP), specific integrated circuit of function
(ASIC), field programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components or it is any appropriately combined.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, can also indicate that relevant hardware is completed by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The description of the disclosure is given for the purpose of illustration and description, and is not exhaustively or by the disclosure
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
Embodiment is stated and be the principle and practical application in order to more preferably illustrate the disclosure, and those skilled in the art is enable to manage
The solution disclosure is to design various embodiments suitable for specific applications with various modifications.
Claims (11)
1. a kind of air-conditioning heat pump water system antifreeze control method characterized by comprising
In the case where air-conditioning heat pump water system is in shutdown status, air-conditioner temperature parameter is obtained；
According to air-conditioner temperature parameter, judge whether to start heat pump unit.
2. air-conditioning heat pump water system antifreeze control method according to claim 1, which is characterized in that further include:
In the case where air-conditioning heat pump water system is in shutdown status, keep water pump in running order.
3. air-conditioning heat pump water system antifreeze control method according to claim 1 or 2, which is characterized in that the air-conditioning temperature
Spending parameter includes water system water temperature；The water system water temperature includes inlet water temperature, output water temperature and antifreeze water temperature, in which:
Inlet water temperature is the water temperature of heat exchanger water inlet (21)；
Output water temperature is the water temperature of heat exchanger water outlet (22)；
Antifreeze water temperature is the water temperature of outdoor water system pipeline.
4. air-conditioning heat pump water system antifreeze control method according to claim 3, which is characterized in that joined according to air-conditioner temperature
Number judges whether that starting heat pump unit includes:
The minimum water temperature of water system is determined according to inlet water temperature, output water temperature and antifreeze water temperature；
Judged whether to start heat pump unit according to the minimum water temperature of water system.
5. air-conditioning heat pump water system antifreeze control method according to claim 4, which is characterized in that described according to water system
Minimum water temperature judges whether that starting heat pump unit includes:
In the case where the minimum water temperature of water system is not more than the first water temperature threshold value, start heat pump unit；
In the case where the minimum water temperature of water system is greater than the first water temperature threshold value and is not more than the second water temperature threshold value, heat pump machine is maintained
The current state of group, wherein the second water temperature threshold value is greater than the first water temperature threshold value；
In the case where the minimum water temperature of water system is greater than the second water temperature threshold value, control heat pump unit is shut down.
6. air-conditioning heat pump water system antifreeze control method according to claim 4, which is characterized in that the air-conditioner temperature ginseng
Number further includes outdoor environment temperature；
It is described according to air-conditioner temperature parameter, judge whether to start heat pump unit further include:
Judge whether outdoor environment temperature is greater than specific environment temperature threshold；
In the case where outdoor environment temperature is greater than specific environment temperature threshold, heat pump unit is failure to actuate；
Outdoor environment temperature be not more than specific environment temperature threshold in the case where, execute according to inlet water temperature, output water temperature and
Antifreeze water temperature determines the step of water system minimum water temperature.
7. a kind of air-conditioning heat pump water system freezing protection control device characterized by comprising
Temperature acquisition module (61), in the case where air-conditioning heat pump water system is in shutdown status, obtaining air-conditioner temperature ginseng
Number；
Control module (62) starts heat pump unit for judging whether according to air-conditioner temperature parameter；
Wherein, the air-conditioning heat pump water system freezing protection control device is realized as described in any one of claim 1-6 for executing
Air-conditioning heat pump water system antifreeze control method operation.
8. a kind of air-conditioning heat pump water system freezing protection control device characterized by comprising
Memory (71), for storing instruction；
Processor (72) is realized such as executing described instruction so that the air-conditioning heat pump water system freezing protection control device executes
The operation of air-conditioning heat pump water system antifreeze control method of any of claims 1-6.
9. a kind of antifreeze control equipment of air-conditioning heat pump water system characterized by comprising
Temperature sensor (10) is sent to air-conditioning heat pump water system for measuring air-conditioner temperature parameter, and by air-conditioner temperature parameter
Freezing protection control device；
Air-conditioning heat pump water system freezing protection control device (20) is the antifreeze control of air-conditioning heat pump water system as claimed in claim 7 or 8
Device processed.
10. a kind of air-conditioning heat pump water system, which is characterized in that anti-including air-conditioning heat pump water system as claimed in claim 7 or 8
Freeze control device, and/or, including the antifreeze control equipment of air-conditioning heat pump water system as claimed in claim 9.
11. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, such as the antifreeze control of air-conditioning heat pump water system of any of claims 1-6 is realized when described instruction is executed by processor
Method processed.
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