CN109724218A - A kind of multi-gang air-conditioner ground heating system and control method - Google Patents
A kind of multi-gang air-conditioner ground heating system and control method Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 191
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- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000004378 air conditioning Methods 0.000 claims abstract description 32
- 239000008236 heating water Substances 0.000 claims abstract description 21
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
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Abstract
The present invention relates to a kind of multi-gang air-conditioner ground heating system and control methods, the system includes outdoor unit, indoor unit and the line control machine being connected with indoor unit, indoor unit is connect by refrigerant pipeline with outdoor unit, and line control machine is connect with outdoor unit, and outdoor unit also has the water supply pipe parallel with refrigerant pipeline；Multi-gang air-conditioner ground heating system further includes floor heating water module and floor heating control unit corresponding with floor heating water module, floor heating water module includes grounding heat coil tube and the solenoid valve that is arranged between grounding heat coil tube and water supply pipe, floor heating control unit and outdoor unit communicate to connect, the connection of the control terminal of output end and solenoid valve, and monitor the communication information that line control machine is sent to indoor unit, according to the communication information listened to, outdoor unit opens refrigerant pipeline or water supply pipe, and floor heating control unit controls the state of solenoid valve.Floor heating mode or air conditioning mode are selected using indoor unit line control machine, realization is easy to operate, and maloperation is avoided to cause to conflict, and promotes user experience.
Description
Technical field
The invention belongs to multi-gang air-conditioner control technology fields, and in particular to a kind of multi-gang air-conditioner ground heating system and control
Method.
Background technique
In the place for being much unable to central heating, more and more users are freezed using multi-online air-conditioning system at summer
And heated when winter, when being in heating mode, traditional multi-online air-conditioning system is from being arranged in the air outlet of ceiling to room
Interior heat air delivery, heating leaving air temp is uneven, and hot wind is easy to concentrate on to arrive room temperature from above close to the part of ceiling
Declining in ladder down, user's feels that head heat is felt cold, meanwhile, wind pressure and air-supply of the multi-online air-conditioning system by increase blower
Speed so that indoor bulk temperature is reached setting value, will lead to room noise in the process and obviously increase, reduce user relax
Appropriateness.With the expansion in dampener market, more and more users select the water system of floor heating to heat, and have heating temperature equal
Advantage even, comfort is strong.Therefore, the indoor unit for generalling use multi-connected machine carries out cooling in summer, and winter is heated using floor heating,
In the prior art, ground heating system is controlled by additionally increasing floor heating line control machine, forms multi-online air-conditioning system and ground heating system
Parallel control, this control mode needs to operate two line control machines respectively to correspond to and realize multi-online air-conditioning system and floor heating system
System, it is inconvenient and easy in the presence of the conflict because of caused by maloperation, reduce user experience.
Summary of the invention
The present invention provides a kind of multi-gang air-conditioner ground heating system and control method, for solving air-conditioning system in the prior art
Cause with ground heating system parallel control inconvenient, and the problem of maloperation, is sent to the logical of indoor unit by monitoring line control machine
Letter information realizes the control to floor heating or air-conditioning, easy to operate, avoids conflict caused by maloperation, promotes user experience.
In order to solve the above-mentioned technical problem, the following technical solutions are proposed is resolved by the present invention:
A kind of multi-gang air-conditioner ground heating system passes through including outdoor unit, indoor unit and the line control machine being connected with indoor unit, indoor unit
Refrigerant pipeline is connect with outdoor unit, and line control machine is connect with outdoor unit, which is characterized in that the outdoor unit also has and refrigerant pipe
The parallel water supply pipe in road；The multi-gang air-conditioner ground heating system further includes floor heating water module and corresponding with floor heating water module
Floor heating control unit, floor heating water module includes grounding heat coil tube and the electricity that is arranged between the grounding heat coil tube and water supply pipe
Magnet valve, floor heating control unit and the outdoor unit communicate to connect, and output end is connect with the control terminal of the solenoid valve, and monitor institute
The communication information that line control machine is sent to the indoor unit is stated, according to the communication information listened to, outdoor unit opens function refrigerant pipe
Road or water supply pipe, the floor heating control unit control the state of the solenoid valve.
Further, the communication information includes the mode, room temperature and set temperature of the line control machine, wherein described
Mode includes air conditioning mode and floor heating mode.
Further, the floor heating control unit listens to the floor heating mode that the line control machine issues, and outdoor unit control is opened
Open water supply pipe, and when room temperature is less than set temperature, the floor heating control unit output controls the solenoid closure
Signal.
Further, the floor heating control unit persistently listens to the ground that the line control machine issues in a certain time interval
When warm mode, water supply pipe is opened in outdoor unit control.
Further, it is provided with the set temperature in the line control machine, and is integrated with the temperature for detecting room temperature
Spend detection circuit；When the line control machine is communicated with indoor unit, the floor heating control unit listens to the room temperature and sets
Determine temperature.
The present invention relates to a kind of control methods based on multi-gang air-conditioner ground heating system as described above, which is characterized in that
Include the following steps: that (1) powers on the multi-gang air-conditioner ground heating system；(2) it monitors the line control machine and is sent to indoor unit
The communication information controls indoor unit and outdoor unit work according to the communication information, and outdoor unit opens refrigerant pipeline, and floor heating control
The signal that unit output control solenoid valve processed is opened, or according to the communication information, control outdoor unit and open water supply pipe, and
The signal of floor heating control unit output control solenoid closure；(3) according to the quantity of solenoid closure and the communication listened to
The leaving water temperature of information control water supply pipe.
Further, in step (2), when listening to air conditioning mode, indoor unit and outdoor unit work control outdoor unit
Open refrigerant pipeline, and the signal that floor heating control unit output control solenoid valve is opened；When listening to floor heating mode and room temperature
When degree is less than set temperature, control outdoor unit opens water supply pipe, and the output of floor heating control unit controls the solenoid closure
Signal wherein the communication information include the line control machine mode, room temperature and set temperature, wherein the mode packet
Include air conditioning mode and floor heating mode.
Further, in step (3), according to room temperature in the quantity of solenoid closure and each room and setting temperature
The leaving water temperature of the difference control water supply pipe of degree；Indoor unit, line control machine, floor heating water module are wherein provided in each room
With floor heating control unit.
Further, the control method further includes following steps: detecting that solenoid valve is current in outdoor unit main control unit
When the quantity of closure is less than preset quantity, when floor heating control unit is not less than default by address sort circulation M solenoid valve of unlatching
Between, M is more than or equal to preset quantity and subtracts the quantity that solenoid valve is currently opened, wherein each indoor unit distributes address in order, and same
The address of floor heating water module and the address of floor heating control unit are identical as the address of indoor unit in one room.
Further, the preset quantity is the half of solenoid valve quantity total in multi-gang air-conditioner ground heating system.
Further, the preset time is half an hour.
Compared with prior art, the advantages of the present invention are: monitoring line control machine using floor heating control unit and send out
The communication information of machine sent to the room, according to the communication information is listened to, outdoor unit opens water supply pipe, while floor heating control unit control
The coil of solenoid valve processed obtain it is electric, valve body closure, be connected to water supply pipe with grounding heat coil tube, realize floor heating work, or outdoor
Machine opens refrigerant pipeline, and floor heating control unit controls the coil losing electricity of solenoid valve, and valve body is opened, and realizes air-conditioning work, utilizes
Indoor unit line control machine realizes that the control to floor heating or air-conditioning operates, convenient and simple, and does not change original indoor unit control mode,
Risk is low and implementation is strong.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Example or attached drawing needed to be used in the description of the prior art are made one and are briefly introduced, it should be apparent that, drawings discussed below is this
Some embodiments of invention without creative efforts, may be used also for those of ordinary skill in the art
With other accompanying drawings can also be obtained according to these attached drawings.
Fig. 1 is the functional block diagram of the embodiment of multi-gang air-conditioner ground heating system of the invention；
Fig. 2 is that the communication in multi-gang air-conditioner ground heating system of the invention between outdoor unit, indoor unit, line control machine and converter connects
Connect schematic diagram；
Fig. 3 is the flow chart one of the embodiment of multi-gang air-conditioner floor heating control method of the invention；
Fig. 4 is the flowchart 2 of the embodiment of multi-gang air-conditioner floor heating control method of the invention；
Fig. 5 is the circuit diagram of the emergency button circuit of floor heating control unit in air-conditioning ground heating system of the invention.
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.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Multi-online air-conditioning system heating leaving air temp is uneven, comfort is poor, and ground heating system has heating uniform and easypro
The good advantage of adaptive, in the place of more and more not central heating, the fused controlling of multi-online air-conditioning system and ground heating system
That washes is particularly important, and when use floor heating heating, Blower-free operating, indoor noiseless promotes user experience.As shown in Figure 1, this
Embodiment is related to a kind of multi-gang air-conditioner ground heating system, indoor including outdoor unit, indoor unit and the line control machine being connected with indoor unit
Machine is connect by refrigerant pipeline with outdoor unit, and line control machine is connect with outdoor unit, and outdoor unit also has with refrigerant pipeline parallel
Water supply pipe；Multi-gang air-conditioner ground heating system further includes that floor heating water module and floor heating corresponding with floor heating water module control are single
Member, floor heating water module include grounding heat coil tube and the solenoid valve that is arranged between the grounding heat coil tube and water supply pipe, floor heating control
Unit processed and outdoor unit communicate to connect, and the control terminal of output end and solenoid valve connects, and monitor line control machine and be sent to indoor unit
The communication information, according to the communication information listened to, outdoor unit opens function refrigerant pipeline or water supply pipe, floor heating control unit control
The state of solenoid valve processed.In the present embodiment, the communication information includes mode, room temperature and the set temperature of line control machine selection,
Wherein the mode of the line control machine includes air conditioning mode and floor heating mode, and air conditioning mode include heating mode, refrigeration mode and
Dehumidification mode.
Specifically, as shown in Figure 1, in the present embodiment, being provided with indoor unit, line in each room in n room
Device, floor heating water module and floor heating control unit are controlled, wherein floor heating water module includes grounding heat coil tube and solenoid valve, and such as Fig. 2
Shown, in each room, indoor unit is connect with outdoor unit by connection, for example, outdoor unit 1 terminal and 2 terminals respectively with
1 terminal of indoor unit and 2 terminals connection, between indoor unit and line control machine by connection connect, such as indoor unit 3 terminals with
4 terminals are connect with the two-terminal on line control machine respectively, and floor heating control unit A is connect with outdoor unit by connection, such as floor heating
The terminal 3 and terminal 4 of control unit are connected with 3 terminals of outdoor unit and 4 terminals respectively, and floor heating control unit A is used for listening-in line
Control device to the communication line of indoor unit on data, such as floor heating control unit A 1 terminal and 2 terminals respectively with line control machine extremely
Two lines on the communication line of indoor unit are connected, and read the communication line according to the communications protocol between indoor unit and line control machine
On all data, the data include line control machine be sent to indoor unit mode (such as floor heating mode or air conditioning mode) and by
What the room temperature T and user that the included temperature sensor of line control machine 1 detects were set on line control machine 1, if floor heating control is single
First A listens to floor heating mode, and floor heating control unit A is warm by floor heating mode, room temperature T and setting by the communication with outdoor unit
Degree Tset is transmitted to outdoor unit.
In each room, the control of air conditioning mode and floor heating mode is the same, therefore, to simplify the explanation, such as
Under by room 1 line control machine 1 select air conditioning mode or floor heating mode for be illustrated, as shown in figure 3, showing this implementation
Flow chart in example specifically as shown in figure 4, powering on first to multi-gang air-conditioner ground heating system, selects air-conditioning in line control machine 1
When mode, indoor unit 1 works as conventional air conditioning system with the work of outdoor unit, and outdoor unit is according to selected air-conditioning mould at this time
Formula start refrigerant pipeline, specifically, refrigerant is compressed into liquid by condenser by the compressor of outdoor unit, by coolant loop with
And expansion valve enters the room machine 1, indoor hot-air and evaporator contact at this time, liquid coolant is heated to become gaseous state, takes away interior
Heat blows and under pressure change, is released quickly against outdoor to outdoor condenser, in blower, realizes air conditioner refrigerating, and floor heating
Control unit A abandons information when listening to air conditioning mode, only keeps the timing with outdoor unit to communicate, it is ensured that floor heating control unit A
It is normal with outdoor unit communication；When line control machine 1 selects floor heating mode, since indoor unit 1 and line control machine 1 carry out timing in 30 seconds and lead to
The demand of floor heating mode is sent to indoor unit 1 by letter, line control machine 1, and floor heating control unit A listens to floor heating mode, if every example
If still listened to floor heating mode after 3 seconds, outdoor unit switches to or opens water supply pipe, and floor heating control unit can also listen to line traffic control
Device 1 is sent to the room temperature T and set temperature Tset of indoor unit 1, when room temperature is less than set temperature Tset, floor heating control
The coil of unit processed control solenoid valve 1 obtains electric, and valve body closure is connected to water supply pipe with grounding heat coil tube, and outdoor unit according to
The floor heating mode, room temperature T and the set temperature Tset control water supply pipe that receive enter the leaving water temperature in room 1.
In the present embodiment, floor heating control is realized by floor heating control unit, not to the room of existing multi-online air-conditioning system
The change on hardware or software is made in interior machine control, and risk is small, at low cost and scheme exploitativeness is strong, so as to shorten the development cycle.
Furthermore, it is possible to which floor heating control unit to be made into the form of independent packaging, it is convenient for wiring, and when installing whole system, can incites somebody to action
It is placed on the hidden occasions such as kitchen, ground heating pipe junction, for a user, only both may be implemented by operating line control machine
Interaction between floor heating and outdoor unit promotes user experience.
In multi-gang air-conditioner control, the conditions such as temperature locating for every indoor unit are different, and such outdoor unit just has to
Know the state of every indoor unit, it is necessary to true according to number or address to every indoor unit setting number or address, outdoor unit
Recognize which platform indoor unit is operating or stopping, to control indoor unit state in which itself.For example, in entire multi-connected machine
After air-conditioner control system connects, the multiple indoor units connected can be numbered or address is set, can specifically passed through
The toggle switch on the single-chip microcontroller pin of the main control unit of indoor unit is connected to realize that number or address are set, in toggle switch
The corresponding back side of each key is each up and down, and there are two pins, are allocated to the side ON, and corresponding following two pin is connected, on the contrary then break
It opens, by the way that the low and high level on acquisition single-chip microcontroller pin is known that in toggle switch, who is put through or is disconnected, such as right
Indoor unit is numbered, and the first toggle switch indicates that tens, the second toggle switch indicate units, realizes and carries out to indoor unit
Number, certainly, coding rule can according to circumstances sets itself, it is not limited here.
Hydraulic misadjustment is divided into static imbalance and dynamic is lacked of proper care, since there are residual heads for certain loops, i.e., static state imbalance is
When the resistance of certain loops is too small, the actual flow of these loops just will be more than design discharge, since total flow is certain, then its
Setting flow is partially just not achieved in he, just will appear uneven in temperature；In a dynamic system, when the water of certain loops changes
When, the pressure of system can be caused to be distributed and changed, so that other loops are interfered with, to make other unnecessary changes of loop sheet
Change and generates the principle that hydraulically balanced principle namely overcomes hydraulic misadjustment, it is energy-saving to achieve the purpose that.In the present embodiment
In, several indoor units of an outdoor unit traction, as soon as when only tableland is warmed up with the starting of water module, pressure is smaller in water supply pipe
Waterpower can be caused uneven, cause heating effect poor.Therefore, in order to guarantee the hydraulic equilibrium of ground heating system, the master control of outdoor unit
Unit can detect the quantity of the solenoid valve of closure, when closure quantity is less than preset quantity (such as 50% of the total quantity of solenoid valve)
When, outdoor unit sends to floor heating main control unit and orders, and floor heating control unit closure is forced not open the electromagnetism in the room of floor heating
Valve, to guarantee water flow.It is implemented as follows: an address being arranged to the indoor unit in each room, and in the room
Floor heating water module address and floor heating control unit address it is identical as the address of indoor unit, and to the ground in n room
Location is sequentially arranged, when outdoor unit main control unit detects the quantity for the solenoid valve being currently closed less than preset quantity,
It controls floor heating control unit and presses M solenoid valve of address sort each forced closed, and recycle this operation, M solenoid closure
Time is not less than preset time (such as 30 minutes), and wherein M is more than or equal to the number that preset quantity subtracts the solenoid valve being currently closed
Amount.At this point, outdoor unit is according to the quantity of the solenoid valve of closure (including the solenoid valve for selecting floor heating mode to be closed by line control machine
Quantity and forced closed solenoid valve quantity) and each room in T and Tset difference calculate water supply pipe go out water temperature
Degree.
For example, n=6, the i.e. room room 1- 6, are that indoor unit each in the room room 1- 6 sets an address, then floor heating
Share the address with water module and floor heating control unit, wherein the address in room 1 to room 6 can from big to small or from it is small to
Greatly, herein with no restrictions.One outdoor unit traction, 6 indoor units and floor heating water module；If only room 1 opens floor heating use
Water module, not up to 3 at this time, in the solenoid valve and room 3 that outdoor unit is forcibly turned in room 2 by floor heating control unit
Solenoid valve, and the solenoid closure time is kept in room 2 in solenoid closure time and room 3 to be more than or equal to 30 minutes, hereafter
The solenoid valve in the solenoid valve and room 3 in room 2 is forcibly closed, then in the solenoid valve and room 5 being forcibly turned in room 4
Solenoid valve reaches half an hour, is hereafter again switched in room 6 solenoid valve in solenoid valve and room 2, so recycles, guarantees the electricity connected
The total quantity of magnet valve is not less than 3, to guarantee pressure in water supply pipe, while also can guarantee in the room of access failure solenoid valve
Heat realizes each room even heat.
As described above, floor heating control unit is communicated with outdoor unit, and the communication line for monitoring line control machine to indoor unit
On data, it is therefore contemplated that floor heating control unit is communicated with outdoor unit and indoor unit, and line control machine and floor heating control are single
Member is powered by indoor unit.In another embodiment, certain rooms (such as child room) are only pacified when certain user installs in the early stage
Floor heating water module has been filled, and indoor unit is not installed, floor heating control unit can not monitor the communication of line control machine to indoor unit at this time
Therefore data on route increase ON-OFF control circuit in floor heating control unit, for switching when needing floor heating to heat
Control circuit exports the first signal to floor heating control unit, and floor heating control unit control solenoid valve closes after receiving the first signal
It closes, when realizing floor heating heating, and not needing floor heating heating, ON-OFF control circuit exports second signal to floor heating control unit, connects
Floor heating control unit control solenoid valve disconnects after receiving second signal.As shown in figure 5, the ON-OFF control circuit includes pull-up resistor
One end of R1, emergency button PSW1 and pull down resistor R2, emergency button PSW1 are connected with pull-up resistor R1, the other end and drop-down electricity
R2 is hindered to be connected, an input terminal IN of floor heating control unit is connected between the other end of emergency button PSW1 and pull down resistor R1,
Wherein one power supply signal VCC of pull-up resistor R1 connection, when emergency button PSW1 is pressed, i.e., expression user wants floor heating heating,
Pull-up resistor R1 pulls up level at X1 point, so that ON-OFF control circuit exports high level signal to input terminal IN, floor heating control is single
Member communicates after obtaining high level with outdoor unit, so that outdoor unit is switched to or open water supply pipe, and according to floor heating control unit
The closure of the difference control electromagnetic valve body of the set temperature Tset and room temperature T of setting themselves, outdoor unit is according to setting at this time
Determine temperature Tset operation heating；When emergency button PSW1 is lifted, i.e., expression user wants that stopping floor heating heating, under pull down resistor R2
Drawing at X2 point level is ground, and ON-OFF control circuit exports low level to input terminal IN, floor heating control unit obtain after low level with
Outdoor unit communication, makes outdoor unit disconnect water supply pipe, stops floor heating heating.
Due to indoor unit not set in room and line control machine, floor heating control unit can not monitor the setting of line control machine sending
Temperature Tset and room temperature T, floor heating control unit is provided with set temperature Tset and temperature detection loop circuit, for detecting
Room temperature T.It needs outdoor unit to know as the address of each indoor unit such as outdoor unit with indoor unit communication, is being not provided with room
In the case where interior machine, outdoor unit needs to know the address of floor heating control unit, so that outdoor unit is according to which floor heating of Address Confirmation
It is being operated or is being stopped with water module, realizing the control to floor heating state.It, can be more to what is connected after whole system connects
A floor heating control unit is numbered or address setting, and in the present embodiment, floor heating control unit is provided with address setting circuit,
Address setting circuit can be used for example on the pin for the single-chip microcontroller that toggle switch is connected to floor heating control unit, pass through acquisition
Low and high level on single-chip microcontroller pin be known that in toggle switch who put through or be disconnected, realize to floor heating control unit
Number or address setting.In addition, the floor heating control unit provide in no indoor unit for realizing floor heating control
The emergency button of system selects user indoor unit and line control machine to provide possibility again, but when installing indoor unit, needs
Number or the address for adjusting indoor unit are consistent with the current number of floor heating control unit or address, to realize indoor unit and room
The consistency of outer machine communication and floor heating control unit and outdoor unit communication.In addition, when the floor heating control unit and indoor unit and
In the presence of line control machine is equal, in line control machine room temperature T and set temperature Tset it is preferential, because of floor heating control unit one at this time
As be placed on the concealed locations such as kitchen, ground heating pipe junction, measured room temperature inaccuracy.
Multi-gang air-conditioner ground heating system of the invention and control method are monitored line control machine using floor heating control unit and are sent to
The mode (air conditioning mode or floor heating mode) of indoor unit, when listening to floor heating mode, floor heating control unit is communicated with outdoor unit,
Make outdoor unit open water supply pipe, while floor heating control unit control solenoid valve coil obtain it is electric, valve body closure, make water supplying pipe
Road is connected to grounding heat coil tube, realizes floor heating heating, and when listening to air conditioning mode, floor heating control unit is not to the control of solenoid valve
End output signal processed only guarantees to communicate with outdoor unit timing, realizes floor heating mode and air-conditioning mould using indoor unit line control machine
The operation of formula, it is convenient and simple, and original indoor unit control mode is not changed, risk is low and implementation is strong.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of multi-gang air-conditioner ground heating system, including outdoor unit, indoor unit and the line control machine being connected with indoor unit, indoor unit is logical
It crosses refrigerant pipeline to connect with outdoor unit, and line control machine is connect with outdoor unit, which is characterized in that the outdoor unit also has and refrigerant
The parallel water supply pipe of pipeline；The multi-gang air-conditioner ground heating system further include floor heating water module and with floor heating water module pair
The floor heating control unit answered, floor heating water module include grounding heat coil tube and are arranged between the grounding heat coil tube and water supply pipe
Solenoid valve, floor heating control unit and the outdoor unit communicate to connect, and output end is connect with the control terminal of the solenoid valve, and monitor
The line control machine is sent to the communication information of the indoor unit, and according to the communication information listened to, outdoor unit opens refrigerant pipe
Road or water supply pipe, and the floor heating control unit controls the state of the solenoid valve.
2. multi-gang air-conditioner ground heating system according to claim 1, which is characterized in that the communication information includes the line
Mode, room temperature and the set temperature for controlling device, wherein the mode includes air conditioning mode and floor heating mode.
3. multi-gang air-conditioner ground heating system according to claim 2, which is characterized in that the floor heating control unit listens to
When the floor heating mode that the line control machine issues, the floor heating control unit control outdoor unit opens water supply pipe, and the room
When temperature is less than set temperature, the floor heating control unit output controls the signal of the solenoid closure.
4. multi-gang air-conditioner ground heating system according to claim 3, which is characterized in that the floor heating control unit is certain
When persistently listening to the floor heating mode that the line control machine issues in time interval, the floor heating control unit control outdoor unit is opened
Water supply pipe.
5. multi-gang air-conditioner ground heating system according to any one of claim 2 to 4, which is characterized in that the line control machine
It is inside provided with the set temperature, and is integrated with the temperature sensing circuit for detecting room temperature；In the line control machine and room
When interior machine communicates, the floor heating control unit listens to the room temperature and set temperature.
6. a kind of control method based on multi-gang air-conditioner ground heating system described in any one of claims 1 to 5, feature exist
In including the following steps:
(1) the multi-gang air-conditioner ground heating system is powered on；
(2) communication information that the line control machine is sent to indoor unit is monitored,
According to the communication information, indoor unit and outdoor unit work are controlled, outdoor unit opens refrigerant pipeline, and floor heating control unit
The signal that output control solenoid valve is opened, or
According to the communication information, controls outdoor unit and open water supply pipe, and floor heating control unit output control solenoid closure
Signal；
(3) according to the leaving water temperature of the quantity of solenoid closure and the communication information listened to control water supply pipe.
7. control method according to claim 6, which is characterized in that in step (2), when listening to air conditioning mode,
Indoor unit and outdoor unit work, control outdoor unit opens refrigerant pipeline, and the output of floor heating control unit controls what solenoid valve was opened
Signal；When listening to floor heating mode, and when room temperature is less than set temperature, control outdoor unit opens water supply pipe, and floor heating
Control unit output controls the signal of the solenoid closure；Wherein the communication information includes the mode of the line control machine, room
Between temperature and set temperature, wherein the mode includes air conditioning mode and floor heating mode.
8. control method according to claim 7, which is characterized in that in step (3), according to the quantity of solenoid closure
With the leaving water temperature of the difference of room temperature and set temperature control water supply pipe in each room；Wherein it is arranged in each room
There are indoor unit, line control machine, floor heating water module and floor heating control unit.
9. control method according to claim 7, which is characterized in that further include following steps: in outdoor unit main control unit
When the quantity for detecting that solenoid valve is currently closed is less than preset quantity, floor heating control unit opens M electricity by address sort circulation
Magnet valve is not less than preset time, and M is more than or equal to preset quantity and subtracts the quantity that solenoid valve is currently opened, wherein each indoor unit is by suitable
Sequence distributes address, and in same room with them the address of floor heating water module and the address of floor heating control unit with the ground of indoor unit
Location is identical.
10. control method according to claim 9, which is characterized in that the preset quantity is multi-gang air-conditioner floor heating system
The half of total solenoid valve quantity in system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008030.XA CN109724218B (en) | 2019-01-04 | 2019-01-04 | Multi-split air-conditioning floor heating system and control method |
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| CN112665035A (en) * | 2021-01-19 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Multi-connected air conditioning system and control method thereof |
| CN114060966A (en) * | 2021-11-15 | 2022-02-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Outdoor unit module, control method and multi-module multi-connected unit |
| CN114909788A (en) * | 2022-04-27 | 2022-08-16 | 浙江中广电器集团股份有限公司 | Control method for simultaneous on-line ground heating and air conditioning of heat pump EVI (electric vacuum insulation) multi-split air conditioner |
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Effective date of registration: 20220106 Address after: 266510, No. 218, Bay Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS Co.,Ltd. Patentee after: Qingdao Johnson automatic control air conditioning Co., Ltd Address before: 266510, No. 218, Bay Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS Co.,Ltd. |