CN110094905A - The control method of the deicer of net for air-source heat pump units and the unit - Google Patents
The control method of the deicer of net for air-source heat pump units and the unit Download PDFInfo
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- CN110094905A CN110094905A CN201910329696.5A CN201910329696A CN110094905A CN 110094905 A CN110094905 A CN 110094905A CN 201910329696 A CN201910329696 A CN 201910329696A CN 110094905 A CN110094905 A CN 110094905A
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- Prior art keywords
- hot water
- air
- net
- heat pump
- source heat
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Classifications
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/10—Removing frost by spraying with fluid
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
Abstract
The invention discloses the control methods of net for air-source heat pump units and the deicer of the unit, its key points of the technical solution are that including water-side heat, evaporator, drip tray and deicer, the water-side heat is equipped with hot water inlet pipe road and hot water effluent's pipeline, the drip tray is mounted on the lower section of the evaporator, the deicer includes deicing hot water line and the solenoid valve that is mounted on the deicing hot water line, one end of the deicing hot water line is connected to the hot water inlet pipe road or the hot water effluent's pipeline, the deicing hot water line is the drip tray deicing using hot water, deicing hot water line utilizes the hot water inlet pipe road of net for air-source heat pump units or the hot water of hot water effluent's pipeline, drip tray is transported to by spray tube or distribution pipe, the ice accumulation being effectively prevented from drip tray, and air-source heat is reasonably utilized Original water source of pump assembly, structure is simple and saves.
Description
Technical field
The present invention relates to source pump technology fields, more specifically, it relates to net for air-source heat pump units and the unit
The control method of deicer.
Background technique
In the prior art, the condensed water of net for air-source heat pump units can freeze on drip tray, especially in low temperature environment and
Under windy day, drip tray is discharged in condensed water not yet, and ice will be condensed by low temperature strong convective weather, is blocked on drip tray
Drainage hole.And the continuous generation of the continuous operation and defrosted water with unit, the ice on drip tray will continue to accumulate thickenings, elder generation
Chassis is covered, then is constantly up increased, heat exchanger is covered, as heat exchanger is increased by ice-covered area, under exchange capability of heat
Drop, evaporating pressure constantly reduce, low-voltage variation eventually occur, leads to unit cisco unity malfunction.
Summary of the invention
The first object of the present invention is to provide a kind of net for air-source heat pump units, reaches and the ice on drip tray is avoided to accumulate, and protects
Demonstrate,prove the purpose that unit works normally.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of net for air-source heat pump units,
It is characterized by comprising water-side heat, evaporator, drip tray and deicer, the water-side heat is intake equipped with hot water
Pipeline and hot water effluent's pipeline, the drip tray are mounted on the lower section of the evaporator, and the deicer includes deicing hot water
Pipeline and the solenoid valve being mounted on the deicing hot water line, one end of the deicing hot water line and the hot water inlet pipe
Road or hot water effluent's pipeline connection, the deicing hot water line are the drip tray deicing using hot water.
As what is advanced optimized, the other end of the deicing hot water line is equipped with spray tube, and the spray tube is mounted on
On the drip tray, the spray tube is equipped with spray apertures, and the hot water that the spray apertures spray flows into the drip tray.
As what is advanced optimized, the deicing hot water line includes sequentially connected vertical branch pipe, elbow, medial leg
And dispensing branch, the lower end of the vertical branch pipe are connected to the hot water inlet pipe road or hot water effluent's pipeline, the distribution pipe
One end connect with the medial leg, the other end is open setting, and the other end of the distribution pipe is by delivery to conveying
Drip tray.
As what is advanced optimized, the medial leg is equipped with the gradient obliquely, the dispensing branch along water (flow) direction
It is connect with the least significant end of the medial leg.
As what is advanced optimized, the dispensing branch is equipped with a plurality of.
As what is advanced optimized, the deicing hot water line is equipped with pipe insulating layer.
As what is advanced optimized, the nethermost circuit of the evaporator is equipped with check valve；When heating operation, the water
The refrigerant that side heat exchanger comes out is obstructed when passing through nethermost circuit by the check valve；When defrosting, the check valve conducting.
As what is advanced optimized, including buffer tank, the buffer tank are equipped with water inlet of hot water and hot water outlet,
The water inlet of hot water is connected to the hot water effluent's pipeline, and the hot water outlet is connected to the hot water inlet pipe road.
The first object of the present invention is to provide a kind of control method, reaches on the drip tray for avoiding net for air-source heat pump units
Ice accumulation guarantees the purpose that unit works normally.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of for above-mentioned any one skill
The control method of the deicer of net for air-source heat pump units described in art scheme, it is characterised in that:
The entry condition that solenoid valve is opened are as follows: one, when environment temperature≤A DEG C, the value of A can be according to the difference of use environment
It is configured and modifies with operating experience；Two, the net for air-source heat pump units enters after defrosting mode T minutes, with four-way valve
Switching starts timing, and the value of T can be configured and modify according to the difference and operating experience of use environment；The above two o'clock
Meet simultaneously and then opens solenoid valve；
The exit criteria that solenoid valve is closed are as follows: one, when environment temperature >=B DEG C, defrosting terminates, and stops immediately, and the value of B can
Difference and operating experience according to use environment are configured and modify；Two, as environment temperature < B DEG C, after defrosting,
Continue spray to stop after X minutes, the value of B and X can be configured and be repaired according to the difference and use experience of use environment
Change；Meet any of two above condition and closes solenoid valve.
What above-mentioned technical purpose of the invention was also possible to be achieved by the following technical programs: one kind is for above-mentioned
The control method of the deicer for net for air-source heat pump units described in a technical solution of anticipating, it is characterised in that:
Solenoid valve unlatching need to meet simultaneously following two condition: one, environment temperature is lower than D DEG C, and the value of D can be according to use
The difference and operating experience of environment are configured and modify；Two, defrosting terminates Ys, and the value of Y can be according to the difference of use environment
It is configured and modifies with operating experience；
Solenoid valve closing need to meet the following conditions: the practical opening time of solenoid valve reaches solenoid valve and opens preset duration
Es, it is as shown in the table that solenoid valve opens preset duration E:
Wherein: tbFor the solenoid valve basic opening time, which can be adjusted in the controller；F < D, G < F, G are should
The value of the minimum operation environment temperature of net for air-source heat pump units, F and G can be carried out according to the difference and operating experience of use environment
Setting and modification, H are the highest inflow temperature of the net for air-source heat pump units.
In conclusion the invention has the following advantages: deicing hot water line utilizes the hot water of net for air-source heat pump units
The hot water of water inlet line or hot water effluent's pipeline is transported to drip tray by spray tube or distribution pipe, is effectively prevented from drip tray
Interior ice accumulation, and original water source of net for air-source heat pump units is reasonably utilized, structure is simple and saves.
Detailed description of the invention
Fig. 1 is the system schematic of the net for air-source heat pump units in embodiment one；
Fig. 2 is the decomposition texture schematic diagram of the U-shaped evaporator and drip tray in embodiment one；
Fig. 3 is the decomposition texture schematic diagram of the V-type evaporator and drip tray in embodiment one；
Fig. 4 is the cooperation schematic diagram of the side air-out evaporator and drip tray in embodiment one；
Fig. 5 is the structural schematic diagram of the members of the net for air-source heat pump units in embodiment two；
Fig. 6 is the enlarged drawing of the side view of the deicer and the cooperation of hot water inlet pipe road in embodiment two.
In figure: 1, buffer tank；11, hot water outlet；12, water inlet of hot water；2, water circulating pump；3, water-side heat；
31, hot water inlet pipe road；32, hot water effluent's pipeline；4, compressor；5, evaporator；51, U-shaped evaporator；52, V-type evaporator；
53, side air-out evaporator；6, drip tray；61, drip tray；62, drip tray；621, mounting base；622, water receiving tank；63, drip tray；
631, water receiving groove；7, main road restricting element；81, deicing hot water line；811, vertical branch pipe；812, elbow；813, intermediate branch
Pipe；814, dispensing branch；82, solenoid valve；83, spray tube；831, spray tube；832, spray tube；833, spray tube；100, unidirectional
Valve.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one
Fig. 1 shows a kind of system connection relationship of net for air-source heat pump units, which includes according to Fig. 1
Buffer tank 1, water circulating pump 2, water-side heat 3, compressor 4, evaporator 5 and the drip tray 6 of connection.The air source heat pump machine
The working principle of group is as follows: the gaseous refrigerant of high temperature, high pressure is sent in water-side heat 3 by 4 heating operation of compressor,
In water-side heat 3, high temperature, high pressure gaseous refrigerant by water-side heat 3 water heat, the refrigerant of high temperature, high pressure
Exothermic condensation is the refrigerant of medium temperature, high pressure, then flows to evaporator 5, into before evaporator 5, is throttled through main road restricting element 7
Decompression is the gas-liquid two-phase cold-producing medium of low temperature, low pressure, low temperature, low pressure gas-liquid two-phase cold-producing medium absorb heat in evaporator 5 evaporation
For low temperature, the gaseous refrigerant of low pressure, gaseous refrigerant is inhaled into the gas returning port of compressor 4, and compressor 4 is again by low temperature, low pressure
Gaseous refrigerant boil down to high temperature, high pressure gaseous refrigerant, be sent in water-side heat 3, operation reciprocal in this way, by water side
Temperature is continuously improved.Buffer tank 1 is equipped with hot water outlet 11 and water inlet of hot water 12, and water-side heat 3 is intake equipped with hot water
Pipeline 31 and hot water effluent's pipeline 32, the hot water outlet 11 of buffer tank 1 and the hot water inlet pipe road 31 of water-side heat 3 connect
It is logical, and the water in buffer tank 1 is sent in water-side heat 3 by water circulating pump 2, the water inlet of hot water 12 of buffer tank 1
It is connected to the hot water effluent's pipeline 32 of water-side heat 3.Under low-temperature condition, which is usually heating operation,
Water-side heat 3 generates hot water, and the setting of buffer tank 1 solves the problems, such as the frequent unlatching of the net for air-source heat pump units, buffered water
Case 1 can guarantee enough hot water for using.
Since the liquid refrigerant of medium temperature, low pressure absorbs heat evaporation in evaporator 5, the surface temperature of evaporator 5 is lower, meeting
Cause the moisture in air in the surface frosting of evaporator 5, and can constantly assemble thickening, prevents the heat of refrigerant and air
Exchange, unit cisco unity malfunction when serious, unit is in order to working normally, it is necessary to periodically the frost on evaporator 5 removed,
And it needs to sequentially discharge in water that defrosting generates, just can guarantee that unit is normal, longtime running work in this way.Drip tray 6 is installed
In the lower section of evaporator 5, the defrosting water on evaporator 5 flows to drip tray 6, is discharged by the drainage hole of drip tray 6.The air-source
Heat pump unit further includes deicer, and deicer includes deicing hot water line 81 and the electricity that is mounted on deicing hot water line 81
Magnet valve 82, one end of deicing hot water line 81 are connected to the hot water inlet pipe road 31 of water-side heat 3,81 benefit of deicing hot water line
It is 6 deicing of drip tray with hot water.The water in water temperature and hot water effluent's pipeline 32 in the hot water inlet pipe road 31 of water-side heat 3
The warm general temperature difference is 5 ° or so, therefore the hot water inlet pipe road 31 or hot water effluent of deicing hot water line 81 and water-side heat 3
The connection of pipeline 32 may serve to spray.The other end of deicing hot water line 81 is equipped with spray tube 83, and spray tube 83, which is mounted on, to be connect
On water pond 6, spray tube 83 is equipped with spray apertures, and the hot water that spray apertures spray flows into drip tray 6, prevents the defrost in drip tray 6
Water freezing.The net for air-source heat pump units opens solenoid valve 82 when defrosting to evaporator 5, the spray apertures of spray tube 83
Hot water is sprayed, the defrost water freezing in drip tray 6 is avoided.Entire deicing hot water line 81 is equipped with pipe insulating layer (in figure not
Display), reduce scattering and disappearing for the heat of hot water.
As optimization, the heat-exchanging loop of evaporator 5 is optimized, and increases list on the nethermost circuit of evaporator 5
To valve 100.The net for air-source heat pump units is in heating operation, resistance of the refrigerant of water-side heat 3 out due to check valve 100
It will form height with protective edge when installing due to the bottom of evaporator 5 without the lowermost circuit of evaporator 5 every effect
Difference, and due to the barrier action of check valve 100, the evaporation for making the nethermost circuit of evaporator 5 cannot participate in refrigerant is changed
Heat makes the nethermost circuit of evaporator 5 maintain the temperature close with environment, which there will not be frost；When this
When net for air-source heat pump units defrosts, check valve 100 can be connected, and the high temperature of compressor 4, the refrigerant of high pressure can pass through evaporator 5
Nethermost circuit will not enclose frost layer on fin since the nethermost circuit of evaporator 5 is not engaged in heating operation,
The nethermost circuit of evaporator 5 can keep higher temperature, and the defrosting water generated after all circuit defrosts in 5 top of evaporator is all
Can then flow on drip tray 6 after the fin in the circuit, be discharged from the drainage hole of drip tray 6, such evaporator 5 it is most lower
The circuit in face can give all defrosting water reheatings, have higher temperature after keeping defrosting water to leave evaporator 5, be unlikely to fast
Speed freezes.
As optimization, drip tray 6 is using drip tray made of aluminum clad zinc plate, and the wellability of the water of aluminum clad zinc plate is poor, water
It can quickly flow away.Drip tray 6 is equipped with the gradient, and drainage hole is provided with the lowest part of drip tray 6, and defrosting water is fast by gravity
Speed is drained.Spray apertures are uniformly provided with multiple, and the blowing angles of spray apertures is against drip tray 6.Evaporator 5 is preferably U-shaped evaporation
Device 51, V-type evaporator 52 or side air-out evaporator 53, the different type that the structure of drip tray 6 corresponds to evaporator 5, which optimizes, to be set
Meter, it is specific as follows: when evaporator 5 is U-shaped evaporator 51, as shown in Fig. 2, 61 intermediate projections of drip tray make both sides form slope
Degree is set on drip tray 61 there are two U-shaped spray tube 831, U-shaped evaporator 51 can two be applied in combination together；When evaporator 5
When for V-type evaporator 52, as shown in figure 3, drip tray 62 includes mounting base 621 and former and later two water receiving tanks 622, mounting base 621
Front and back be mounted on spray tube 832, defrosting water, via flowing in water receiving tank 622 below spray tube 832, is sprayed from mounting base 621
The blowing angle of the spray apertures of shower pipe 832 is against mounting base 621；When evaporator 5 is side air-out evaporator 53, such as Fig. 4 institute
Show, water receiving groove 631 is equipped in drip tray 63.
In other embodiments, spray tube 83 can also be mounted on evaporator 5, what the spray apertures of spray tube 83 sprayed
Hot water defrosts and thaws to evaporator 5, and when being arranged in this way, which does not need to open defrosting circulation, sustainable
Heating.
The control method of the deicer in the present embodiment is as follows:
Solenoid valve 82 is opened, and spray tube 83 sprays the entry condition of hot water are as follows: one, when environment temperature≤A DEG C, the value of A
It can be configured and modify according to the difference and operating experience of use environment；Two, the net for air-source heat pump units enters defrosting
T minutes after mode, timing is started with four-way Vavle switching, the value of T can be set according to the difference and operating experience of use environment
It sets and modifies.The above two o'clock meets simultaneously then opens solenoid valve 82, and the spray apertures of spray tube 83 spray hot water.In addition,
It can meet water side while meeting two above condition using the return water temperature of water-side heat 3 as auxiliary judgment condition and change
Return water temperature >=25 DEG C of hot device 3, solenoid valve 82 is opened.Specifically such as: when setting A=2, T=2, then when environment temperature≤2
DEG C, return water temperature >=25 DEG C (auxiliary judgment condition, can be without this) of water-side heat 3, which enters
After defrosting mode 2 minutes, solenoid valve 82 is opened, the spray apertures of spray tube 83 spray hot water and flow in drip tray 6.
Solenoid valve 82 is closed, and spray tube 83 sprays the exit criteria of hot water are as follows: and one, when environment temperature >=B DEG C, defrosting terminates
(being subject to four-way valve switching time), stops immediately, and the value of B can be configured according to the difference and operating experience of use environment
With modify；Two, as environment temperature < B DEG C, after defrosting terminates and (is subject to four-way valve switching time), continue spray X minutes
After stop, the value of B and X can be configured and modify according to the difference and use experience of use environment.Meet above two
Any of a condition closes solenoid valve 82, and the spray apertures of spray tube 83 stop hot-water spraying.In addition, can be by water-side heat
3 return water temperature meets returning for water-side heat 3 as auxiliary judgment condition while meeting any one in two above
Solenoid valve 82 is closed when coolant-temperature gage >=18 DEG C.Specifically such as: when setting B=-15, X=1, then when environment temperature >=-15 DEG C, and
When return water temperature >=18 DEG C (auxiliary judgment condition can be cast out) of water-side heat 3, after defrosting, solenoid valve is closed immediately
82, the spray apertures of spray tube 83 stop spraying hot water；Or when < -15 DEG C of environment temperature, after defrosting, continue 1 point of spray
Solenoid valve 82 is closed after clock, the spray apertures of spray tube 83 stop spraying hot water.
Embodiment two
The difference between this embodiment and the first embodiment lies in: as shown in Figure 5 and Figure 6, deicing hot water line 81 includes successively connecting
Vertical branch pipe 811, elbow 812, medial leg 813 and the dispensing branch 814 connect, the lower end of vertical branch pipe 811 and hot water are intake
Pipeline 31 or hot water effluent's pipeline 32 are connected to, and the upper end of vertical branch pipe 811 is connect with one end of elbow 812, elbow 812 it is another
End is connect with one end of solenoid valve 82, and the other end of solenoid valve 82 is connect with one end of medial leg 813, medial leg 813
The other end is connect with one end of dispensing branch 814, and the other end of dispensing branch 814 is open setting, dispensing branch 814 it is another
It holds delivery to drip tray 6 everywhere.Medial leg 813 has a gradient along water (flow) direction obliquely, dispensing branch 814 with
The least significant end of medial leg 813 connects, and can be effectively prevented from 813 internal water accumulation of medial leg to freeze.Dispensing branch 814 has
There is the gradient obliquely along water (flow) direction, guarantees that water flow is unobstructed, 814 internal water accumulation of dispensing branch is avoided to freeze.It is worth noting that
Water (flow) direction in the present embodiment is the direction that hot water flows to drip tray 6 along deicing hot water line 81.In the present embodiment, distribution branch
Pipe 814 is equipped with three, and the setting of three dispensing branch 814 is capable of increasing the contact area of hot water Yu drip tray 6, avoids water receiving
6 some areas ponding of disk freezes.It is consistent in the place that other in the present embodiment do not illustrate, with embodiment one.
The control method of deicer in the present embodiment is as follows:
The unlatching of solenoid valve 82 need to meet simultaneously following two condition: one, environment temperature is lower than D DEG C, and the value of D can be according to making
It is configured and is modified with the difference and operating experience of environment；Two, defrosting terminates Ys, and the value of Y can be according to use environment not
Same and operating experience is configured and modifies.Specifically such as: setting D=2, Y=3, then when environment temperature is lower than 2 DEG C, defrosting terminates
After 3s, opens solenoid valve 82, distribution pipe 814 by delivery to drip tray 6 everywhere.
The closing of solenoid valve 82 need to meet the following conditions: it is default that the practical opening time of solenoid valve 82 reaches the unlatching of solenoid valve 82
Duration Es, it is as shown in the table that solenoid valve 82 opens preset duration E:
Wherein: tbFor solenoid valve basic opening time, default value 90s, which can be adjusted in the controller；F <
D, G < F, G are the minimum operation environment temperature of the net for air-source heat pump units, the value of F and G can according to use environment difference and
Operating experience is configured and modifies, and H is the highest inflow temperature of the net for air-source heat pump units.Specifically such as: setting D=2, F=-
15, G=-30, tb=90, H=55, it is as shown in the table that solenoid valve 82 opens preset duration Es:
After the practical beginning duration of solenoid valve 82, which reaches solenoid valve 82, opens preset duration, solenoid valve 82 is closed.It is worth
Illustrate, the control method in control method and embodiment one in the present embodiment is used interchangeably, i.e., in the present embodiment
The deicer that control method can be used in embodiment one, the available deicing dress in this present embodiment of the control method of embodiment one
It sets.
Embodiments above is only explanation of the invention, is not limitation of the present invention, art technology
Personnel can according to need the modification that above embodiments are made with not creative contribution after reading this specification, but as long as
All by the protection of Patent Law in scope of the presently claimed invention.
Claims (10)
1. a kind of net for air-source heat pump units, it is characterised in that: including water-side heat, evaporator, drip tray and deicer, institute
Water-side heat is stated equipped with hot water inlet pipe road and hot water effluent's pipeline, the drip tray is mounted on the lower section of the evaporator,
The deicer includes deicing hot water line and the solenoid valve that is mounted on the deicing hot water line, the deicing hot-water line
The one end on road is connected to the hot water inlet pipe road or the hot water effluent's pipeline, and the deicing hot water line is institute using hot water
State drip tray deicing.
2. net for air-source heat pump units according to claim 1, it is characterised in that: the other end of the deicing hot water line is set
There is spray tube, the spray tube is mounted on the drip tray, and the spray tube is equipped with spray apertures, the heat that the spray apertures spray
Water flows into the drip tray.
3. net for air-source heat pump units according to claim 1, it is characterised in that: the deicing hot water line includes successively connecting
Vertical branch pipe, elbow, medial leg and the dispensing branch connect, the lower end of the vertical branch pipe and the hot water inlet pipe road or heat
The connection of water outlet conduit, one end of the distribution pipe are connect with the medial leg, and the other end is open setting, the distribution pipe
The other end by delivery to conveying drip tray.
4. net for air-source heat pump units according to claim 3, it is characterised in that: the medial leg is equipped with along water (flow) direction
The gradient obliquely, the dispensing branch are connect with the least significant end of the medial leg.
5. net for air-source heat pump units according to claim 3, it is characterised in that: the dispensing branch is equipped with a plurality of.
6. net for air-source heat pump units according to claim 1, it is characterised in that: the deicing hot water line protects equipped with pipeline
Warm layer.
7. net for air-source heat pump units according to claim 1, it is characterised in that: the nethermost circuit of the evaporator is set
There is check valve；When heating operation, by the check valve when refrigerant that the water-side heat comes out passes through nethermost circuit
Barrier；When defrosting, the check valve conducting.
8. net for air-source heat pump units according to claim 1, it is characterised in that: including buffer tank, the buffer tank
Equipped with water inlet of hot water and hot water outlet, the water inlet of hot water is connected to the hot water effluent's pipeline, the hot water effluent
Mouth is connected to the hot water inlet pipe road.
9. a kind of control method of the deicer for net for air-source heat pump units described in claim 1-8 any one,
It is characterized in that:
The entry condition that solenoid valve is opened are as follows: the value of one, when environment temperature≤A DEG C, A can difference according to use environment and behaviour
It is configured and modifies as experience；Two, the net for air-source heat pump units enters after defrosting mode T minutes, with four-way Vavle switching
Start timing, the value of T can be configured and modify according to the difference and operating experience of use environment；The above two o'clock is simultaneously
Satisfaction then opens solenoid valve；
The exit criteria that solenoid valve is closed are as follows: one, when environment temperature >=B DEG C, defrosting terminates, and stops immediately, and the value of B can foundation
The difference and operating experience of use environment are configured and modify；Two, as environment temperature < B DEG C, after defrosting, continue
Spray stops after X minutes, and the value of B and X can be configured and modify according to the difference and use experience of use environment；It is full
Any of sufficient two above condition closes solenoid valve.
10. a kind of control method of the deicer for net for air-source heat pump units described in claim 1-8 any one,
It is characterized in that:
Solenoid valve unlatching need to meet simultaneously following two condition: one, environment temperature is lower than D DEG C, and the value of D can be according to use environment
Difference and operating experience be configured and modify；Two, defrosting terminates Ys, and the value of Y can difference according to use environment and behaviour
It is configured and modifies as experience；
Solenoid valve closing need to meet the following conditions: the practical opening time of solenoid valve reaches solenoid valve and opens preset duration Es, electricity
It is as shown in the table that magnet valve opens preset duration E:
Wherein: tbFor the solenoid valve basic opening time, which can be adjusted in the controller；F < D, G < F, G are the air-source
The value of the minimum operation environment temperature of heat pump unit, F and G can according to use environment difference and operating experience be configured and
Modification, H are the highest inflow temperature of the net for air-source heat pump units.
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| CN201910329696.5A CN110094905A (en) | 2019-04-23 | 2019-04-23 | The control method of the deicer of net for air-source heat pump units and the unit |
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| CN201910329696.5A CN110094905A (en) | 2019-04-23 | 2019-04-23 | The control method of the deicer of net for air-source heat pump units and the unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608512A (en) * | 2019-09-17 | 2019-12-24 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and water pan assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200952917Y (en) * | 2006-08-31 | 2007-09-26 | 浙江盾安人工环境设备股份有限公司 | Finned heat exchanger |
| CN201074934Y (en) * | 2007-08-01 | 2008-06-18 | 安徽省星科工贸有限公司 | Air source heat pump water heating machine equipped with defrosting device |
| WO2012126054A1 (en) * | 2011-03-21 | 2012-09-27 | Robert John Goldsworthy | Energy reduction initiatives program |
| CN106895619A (en) * | 2016-11-30 | 2017-06-27 | 美的集团武汉制冷设备有限公司 | The deicing control method of air-conditioner and chassis of outdoor unit of air conditioner |
| CN206959291U (en) * | 2017-07-21 | 2018-02-02 | 广东美的制冷设备有限公司 | Water pan component and air conditioner |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200952917Y (en) * | 2006-08-31 | 2007-09-26 | 浙江盾安人工环境设备股份有限公司 | Finned heat exchanger |
| CN201074934Y (en) * | 2007-08-01 | 2008-06-18 | 安徽省星科工贸有限公司 | Air source heat pump water heating machine equipped with defrosting device |
| WO2012126054A1 (en) * | 2011-03-21 | 2012-09-27 | Robert John Goldsworthy | Energy reduction initiatives program |
| CN106895619A (en) * | 2016-11-30 | 2017-06-27 | 美的集团武汉制冷设备有限公司 | The deicing control method of air-conditioner and chassis of outdoor unit of air conditioner |
| CN206959291U (en) * | 2017-07-21 | 2018-02-02 | 广东美的制冷设备有限公司 | Water pan component and air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608512A (en) * | 2019-09-17 | 2019-12-24 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and water pan assembly |
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Application publication date: 20190806 |