CN109798628A - The control method and device of coolant distribution device pressure difference - Google Patents
The control method and device of coolant distribution device pressure difference Download PDFInfo
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- CN109798628A CN109798628A CN201910071240.3A CN201910071240A CN109798628A CN 109798628 A CN109798628 A CN 109798628A CN 201910071240 A CN201910071240 A CN 201910071240A CN 109798628 A CN109798628 A CN 109798628A
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Abstract
The present invention proposes the control method and device of a kind of coolant distribution device pressure difference, wherein method includes: the current operation mode of machine in obtaining；The operating mode switching signal of machine in obtaining；According to the operating mode switching signal of the current operation mode of interior machine and interior machine, the pressure difference of coolant distribution device is controlled.Thus, according to the operating mode switching signal of the current operation mode of interior machine and interior machine, when interior machine operating mode switches over, the pressure of pusher side in realizing, to reduce the pressure difference for corresponding to on-off valve two sides in coolant distribution device, to which noise when coolant distribution device switching on-off valve be reduced or avoided in the work-mode switching process of interior machine.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of control methods and one kind of coolant distribution device pressure difference
The control device of coolant distribution device pressure difference.
Background technique
Currently, heat-reclamation multi-compressors system generally comprises a coolant distribution device, machine operation can freeze in part
While mode, machine runs heating mode in part.
Wherein, the indoor unit of the relevant technologies usually passes through switching coolant distribution dress when carrying out cooling and warming pattern switching
The on-off valve set changes the flow direction of refrigerant, thus, realize cooling and warming pattern switching.
But Related Technical Issues are, in the on-off valve by directly switching coolant distribution device, or first pass through and press
Valve (relief valve) release, then when switching on-off valve, due to the biggish pressure difference in on-off valve both ends of coolant distribution device, cause making
When cold heating mode switches, very big noise is generated, the usage experience of user is influenced.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
First purpose is to propose a kind of control method of coolant distribution device pressure difference, can switch in interior machine operating mode
When, realize the pressure of interior pusher side, to reduce the pressure difference of coolant distribution device, thus, in the work-mode switching process of interior machine
In, noise when coolant distribution device switching on-off valve is reduced or avoided.
Second object of the present invention is to propose a kind of control device of coolant distribution device pressure difference.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of control of coolant distribution device pressure difference
Method, wherein the coolant distribution device includes multiple groups on-off valve, and every group of on-off valve includes the first on-off valve and the second on-off
Valve, wherein the corresponding interior machine of every group of on-off valve, it is mutually indepedent between every group of on-off valve, which comprises to obtain
Take the current operation mode of interior machine；Obtain the operating mode switching signal of the interior machine；According to the work at present mould of the interior machine
The operating mode switching signal of formula and the interior machine controls the pressure difference of the coolant distribution device.
The control method of coolant distribution device pressure difference according to an embodiment of the present invention obtains the work at present mould of interior machine
Formula, and the operating mode switching signal for obtaining interior machine is cut according to the operating mode of the current operation mode of interior machine and interior machine in turn
Signal is changed, the pressure difference of coolant distribution device is controlled.It is cut as a result, according to the operating mode of the current operation mode of interior machine and interior machine
Signal is changed, when interior machine operating mode switches over, the pressure of interior pusher side is realized, corresponds to on-off to reduce in coolant distribution device
The pressure difference of valve two sides, thus, in the work-mode switching process of interior machine, coolant distribution device switching on-off is reduced or avoided
Noise when valve.
In addition, the control method of coolant distribution device pressure difference according to the above embodiment of the present invention can also have it is following
Additional technical characteristic:
According to one embodiment of present invention, the current operation mode of the interior machine includes heating mode and refrigeration mode.
According to one embodiment of present invention, the work of the current operation mode and the interior machine according to the interior machine
Mode switching signal controls the pressure difference of the coolant distribution device, comprising: judge the interior machine current operation mode whether
For heating mode；If the current operation mode of the interior machine is heating mode, the operating mode switching letter of the interior machine is judged
It number whether is that the interior machine by heating mode is switched to refrigeration mode；If the operating mode switching signal of the interior machine is in described
Machine is switched to refrigeration mode by heating mode, then closes in the coolant distribution device and lead to the interior machine corresponding described first
Disconnected valve and second on-off valve；The throttle part for controlling the interior machine opens the first default aperture, and opens the interior machine
Blower.
According to one embodiment of present invention, the first default aperture is opened in the throttle part of the control interior machine,
And after opening the blower of the interior machine, further includes: pusher side heat exchange temperature and indoor environment temperature in obtaining；According to the room
Interior environment temperature generates corresponding first preset temperature of the indoor environment temperature and the second preset temperature, wherein described first
Preset temperature is greater than the indoor environment temperature, and second preset temperature is less than the indoor environment temperature；Judge in described
Whether pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature；If the interior machine
Side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature, then opens the refrigerant point
Flow first on-off valve corresponding with the interior machine in device.
According to one embodiment of present invention, the work of the current operation mode and the interior machine according to the interior machine
Mode switching signal controls the pressure difference of the coolant distribution device, further includes: judging the current operation mode of the interior machine is
No is refrigeration mode；If the current operation mode of the interior machine is refrigeration mode, the operating mode switching of the interior machine is judged
Whether signal is that the interior machine by refrigeration mode is switched to heating mode；If the operating mode switching signal of the interior machine is described
Interior machine is switched to heating mode by refrigeration mode, then close in the coolant distribution device with the interior machine corresponding described first
On-off valve and second on-off valve；The aperture for controlling the throttle part of the interior machine is the first default aperture, and described in opening
The blower of interior machine.
According to one embodiment of present invention, the second default aperture is opened in the throttle part of the control interior machine,
And after opening the blower of the interior machine, further includes: pusher side heat exchange temperature and indoor environment temperature in obtaining；According to the room
Interior environment temperature generates the corresponding third preset temperature of the indoor environment temperature and the 4th preset temperature, wherein the third
Preset temperature is greater than the indoor environment temperature, and the 4th preset temperature is less than the indoor environment temperature；Judge in described
Whether pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th preset temperature；If the interior machine
Side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th preset temperature, then it is logical to open described second
Disconnected valve.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of control of coolant distribution device pressure difference
Device, wherein the coolant distribution device includes multiple groups on-off valve, and every group of on-off valve includes the first on-off valve and the second on-off
Valve, wherein the corresponding interior machine of every group of on-off valve, mutually indepedent between every group of on-off valve, described device includes: to obtain
Modulus block for obtaining the current operation mode of interior machine, and obtains the operating mode switching signal of the interior machine；Control module,
For controlling the coolant distribution dress according to the current operation mode of the interior machine and the operating mode switching signal of the interior machine
The pressure difference set.
The control device of coolant distribution device pressure difference according to an embodiment of the present invention obtains interior machine by obtaining module
Current operation mode, and the operating mode switching signal of interior machine is obtained, in turn, by control module, according to the current work of interior machine
The operating mode switching signal of operation mode and interior machine controls the pressure difference of coolant distribution device.As a result, according to the current work of interior machine
The operating mode switching signal of operation mode and interior machine realizes the pressure of interior pusher side, when interior machine operating mode switches over drop
The pressure difference of on-off valve two sides is corresponded in low coolant distribution device, thus, in the work-mode switching process of interior machine, reduce or
Noise when coolant distribution device being avoided to switch on-off valve.
In addition, the control device of coolant distribution device pressure difference according to the above embodiment of the present invention can also have it is following
Additional technical characteristic:
According to one embodiment of present invention, the current operation mode of the interior machine includes heating mode and refrigeration mode.
According to one embodiment of present invention, the control device further include: judgment module；The judgment module is used for,
Whether the current operation mode for judging the interior machine is heating mode, and when the current operation mode of the interior machine is heating mode
When, judge whether the operating mode switching signal of the interior machine is that the interior machine by heating mode is switched to refrigeration mode；It is described
Control module is also used to, when the operating mode switching signal of the interior machine is switched to refrigeration mode by heating mode for the interior machine
When, close in the coolant distribution device with interior corresponding first on-off valve of machine and second on-off valve；And
The throttle part for controlling the interior machine opens the first default aperture, and opens the blower of the interior machine.
According to one embodiment of present invention, the control device further include: generation module；The acquisition module is also used
In pusher side heat exchange temperature and indoor environment temperature in acquisition；The generation module is used for, according to the indoor environment temperature,
Generate corresponding first preset temperature of the indoor environment temperature and the second preset temperature, wherein first preset temperature is big
In the indoor environment temperature, second preset temperature is less than the indoor environment temperature；The judgment module is also used to: being sentenced
Whether the interior pusher side heat exchange temperature that breaks is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature；Institute
It states control module to be also used to: when the interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and being greater than or equal to the
When two preset temperatures, first on-off valve corresponding with the interior machine in the coolant distribution device is opened.
According to one embodiment of present invention, the judgment module is also used to, and judges the current operation mode of the interior machine
Whether it is refrigeration mode, and when the current operation mode of the interior machine is refrigeration mode, judges the operating mode of the interior machine
Whether switching signal is that the interior machine by refrigeration mode is switched to heating mode；The control module is also used to, when the interior machine
Operating mode switching signal be the interior machine when being switched to heating mode by refrigeration mode, close in the coolant distribution device
With interior corresponding first on-off valve of machine and second on-off valve；And the throttle part of the control interior machine
Aperture is the second default aperture, and opens the blower of the interior machine.
According to one embodiment of present invention, the acquisition module is also used to: pusher side heat exchange temperature and interior in obtaining
Environment temperature；The generation module is also used to, and according to the indoor environment temperature, generates the indoor environment temperature corresponding
Three preset temperatures and the 4th preset temperature, wherein the third preset temperature is greater than the indoor environment temperature, and the described 4th is pre-
If temperature is less than the indoor environment temperature；The judgment module is also used to, and judges whether the interior pusher side heat exchange temperature is small
In or be equal to third preset temperature, and be greater than or equal to the 4th preset temperature；The control module is also used to, when the interior pusher side
Heat exchange temperature be less than or equal to third preset temperature, and be greater than or equal to four preset temperatures when, open the coolant distribution
Second on-off valve corresponding with the interior machine in device.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the multi-line system of one embodiment of the invention；
Fig. 2 is the flow diagram according to the control method of the coolant distribution device pressure difference of the embodiment of the present invention；
Fig. 3 is the flow diagram according to the control method of the coolant distribution device pressure difference of one embodiment of the invention；
Fig. 4 is to be illustrated according to the process of the control method of the coolant distribution device pressure difference of a specific embodiment of the invention
Figure；
Fig. 5 is to be illustrated according to the process of the control method of the coolant distribution device pressure difference of another embodiment of the present invention
Figure；
Fig. 6 is to be shown according to the process of the control method of the coolant distribution device pressure difference of another specific embodiment of the invention
It is intended to；
Fig. 7 is the block diagram according to the control device of the coolant distribution device pressure difference of the embodiment of the present invention；
Fig. 8 is the block diagram according to the control device of the coolant distribution device pressure difference of one embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the control method and device of the coolant distribution device pressure difference of the embodiment of the present invention are described.
Fig. 1 is the structural schematic diagram according to the multi-line system of one embodiment of the invention.
As shown in Figure 1, the multi-line system of the embodiment of the present invention may include compressor INV, low-pressure liquid storing tank ACC, oil
From device O/S, mode-changeover device ST, blower FAN, throttling set EXV, high pressure sensor PH, low pressure sensor PL and heat exchanger
HE。
Specifically, as shown in Figure 1, in some embodiments of the invention, coolant distribution device S may include being connected with outer machine
Low-pressure air pipe, high-pressure air pipe, liquid pipe and the tracheae being connected with interior machine and liquid pipe, and, multiple groups on-off valve, every group of on-off valve packet
Include the first on-off valve SVA and the second on-off valve SVB, wherein the corresponding interior machine of every group of on-off valve, between every group of on-off valve
Independently of each other, the side of the first on-off valve SVA is connected with the tracheae of interior machine, and the other side of the first on-off valve SVA is low with outer machine
Air pipe is connected, and the side of the second on-off valve SVB is connected with the tracheae of interior machine, the other side and the outer machine of the second on-off valve SVB
High-pressure air pipe is connected.
Fig. 2 is the flow diagram according to the control method of the coolant distribution device pressure difference of the embodiment of the present invention.
As shown in Fig. 2, the control method of coolant distribution device pressure difference includes:
S101 obtains the current operation mode of interior machine.
Specifically, according to one embodiment of present invention, the current operation mode of interior machine may include heating mode and refrigeration
Mode.
S102 obtains the operating mode switching signal of interior machine.
It is understood that when user is configured the current operation mode of interior machine by mobile terminal or remote controler
When, mobile terminal or the inside machine of remote controler send operating mode switching signal.
S103 controls coolant distribution device according to the operating mode switching signal of the current operation mode of interior machine and interior machine
Pressure difference.
As a result, when interior machine operating mode switches over, the pressure difference of coolant distribution device is reduced, thus, it reduces or keeps away
Exempt from noise when coolant distribution device switching on-off valve.
Further, according to one embodiment of present invention, as shown in figure 3, according to the current operation mode of interior machine and interior
The operating mode switching signal of machine controls the pressure difference of coolant distribution device, comprising:
S201 judges whether the current operation mode of interior machine is heating mode.
S202, if the current operation mode of interior machine is heating mode, whether the operating mode switching signal of machine in judgement
Refrigeration mode is switched to by heating mode for interior machine.
S203 is closed cold if the operating mode switching signal of interior machine is switched to refrigeration mode by heating mode for interior machine
The first on-off valve corresponding with interior machine and the second on-off valve in matchmaker's part flow arrangement.
That is, when the current operation mode of interior machine is heating mode, and the operating mode switching signal of interior machine is system
When heat pattern is switched to refrigeration mode, coolant distribution device is closed, i.e., corresponding with interior machine first in closing coolant distribution device
On-off valve SVA and the second on-off valve SVB.
It should be understood that when the current operation mode of interior machine is heating mode, and the operating mode switching of interior machine has not been obtained
When signal, first on-off valve SVA corresponding with interior machine is in close state in coolant distribution device, and the second on-off valve SVB is in
Open state.
S204, the throttle part for controlling interior machine opens the first default aperture, and opens the blower of interior machine.
That is, when the current operation mode of interior machine is heating mode, and the operating mode switching signal of interior machine is system
When heat pattern is switched to refrigeration mode, the throttle part EXV for also controlling interior machine opens the first default aperture, and opens the wind of interior machine
Machine FAN, to control the pressure difference of coolant distribution device.
It is understood that in the above embodiment of the invention, by closing the first on-off valve SVA and the second on-off valve
SVB, so that the refrigerant of interior pusher side is in relative closure region, and, the throttle part EXV opening first for controlling interior machine, which is preset, to be opened
Degree, and the blower FAN of interior machine is opened, to realize the pressure in internal pusher side relative closure region, in turn, control coolant distribution device
Pressure difference.
Further, according to one embodiment of present invention, as shown in figure 3, the throttle part of machine opens the in controlling
One default aperture, and in opening after the blower of machine, further includes:
S205 obtains interior pusher side heat exchange temperature and indoor environment temperature.
Specifically, to obtain interior pusher side heat exchange temperature, and can be led to by the way that temperature sensor is arranged in interior pusher side heat exchanger
It crosses and temperature sensor is set in interior pusher side, to obtain indoor environment temperature.
S206 generates corresponding first preset temperature of indoor environment temperature and the second default temperature according to indoor environment temperature
Degree, wherein the first preset temperature is greater than indoor environment temperature, and the second preset temperature is less than indoor environment temperature.
For example, when indoor environment temperature is T1, the corresponding first preset temperature T1+ α 1 of indoor environment temperature is generated
With the second preset temperature T1- α 2, wherein 2 < T1 < T1+ α 1 of T1- α；When indoor environment temperature is T2, indoor environment temperature is generated
Spend corresponding first preset temperature T2+ α 1 and the second preset temperature T2- α 2, wherein 2 < T2 < T2+ α 1 of T2- α, and so on.
S207, judges whether interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to second
Preset temperature.
S208 if interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second default temperature
Degree, then open the first on-off valve corresponding with interior machine in coolant distribution device.
That is, when interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and it is pre- to be greater than or equal to second
If opening first on-off valve SVA corresponding with interior machine in coolant distribution device when temperature, thus, it controls interior machine implementation pattern and cuts
It changes.
It should be noted that in some embodiments of the invention, when interior pusher side heat exchange temperature is greater than the first default temperature
When spending, and passing through the first preset time, first on-off valve SVA corresponding with interior machine in coolant distribution device is opened, or work as interior machine
Side heat exchange temperature is less than the second preset temperature, and when by the first preset time, open in coolant distribution device with interior machine pair
The the first on-off valve SVA answered to avoid aforementioned temperature sensor failure, and causes interior machine pattern switching to fail.
For example, in one particular embodiment of the present invention, as shown in figure 4, after air conditioner powers on, step is executed
S10。
S10 obtains the operating mode switching signal of interior machine；
S11, judge in the operating mode switching signal of machine whether be that interior machine by heating mode is switched to refrigeration mode.If
It is to then follow the steps S12；If not, thening follow the steps S18.
S12 closes the first on-off valve corresponding with interior machine and the second on-off valve in coolant distribution device.
S13, the throttle part for controlling interior machine opens the first default aperture, and opens the blower of interior machine.
S14 obtains interior pusher side heat exchange temperature and indoor environment temperature, and according to indoor environment temperature, generates indoor ring
Corresponding first preset temperature of border temperature and the second preset temperature, wherein the first preset temperature be greater than indoor environment temperature, second
Preset temperature is less than indoor environment temperature.
S15, judges whether interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and it is pre- to be greater than or equal to second
If temperature.If so, thening follow the steps S16；If not, thening follow the steps S15.
S16 judges whether by the first preset time.If so, thening follow the steps S17；If not, thening follow the steps
S15。
S17 opens the first on-off valve corresponding with interior machine in coolant distribution device.
S18 controls interior machine operating mode switching.
Further, according to one embodiment of present invention, as shown in figure 5, according to the current operation mode of interior machine and interior
The operating mode switching signal of machine controls the pressure difference of coolant distribution device, further includes:
S301 judges whether the current operation mode of interior machine is refrigeration mode.
S302, if the current operation mode of interior machine is refrigeration mode, whether the operating mode switching signal of machine in judgement
Heating mode is switched to by refrigeration mode for interior machine.
S303 is closed cold if the operating mode switching signal of interior machine is switched to heating mode by refrigeration mode for interior machine
The first on-off valve corresponding with interior machine and the second on-off valve in matchmaker's part flow arrangement.
That is, when the current operation mode of interior machine is refrigeration mode, and the operating mode switching signal of interior machine is system
When cold pattern switching is heating mode, coolant distribution device is closed, i.e., corresponding with interior machine first in closing coolant distribution device
On-off valve SVA and the second on-off valve SVB.
It should be understood that when the current operation mode of interior machine is refrigeration mode, and the operating mode switching of interior machine has not been obtained
When signal, first on-off valve SVA corresponding with interior machine is in the open state in coolant distribution device, and the second on-off valve SVB is in
Closed state.
S304, the aperture for controlling the throttle part of interior machine is the second default aperture, and opens the blower of interior machine.
That is, when the current operation mode of interior machine is refrigeration mode, and the operating mode switching signal of interior machine is system
Cold pattern switching be heating mode when, also control in machine throttle part EXV open the second default aperture, and open in machine wind
Machine FAN, to control the pressure difference of coolant distribution device.
It is understood that in the above embodiment of the invention, by closing the first on-off valve SVA and the second on-off valve
SVB, so that the refrigerant of interior pusher side is in relative closure region, and, the throttle part EXV opening second for controlling interior machine, which is preset, to be opened
Degree, and the blower FAN of interior machine is opened, to realize the pressure in internal pusher side relative closure region, that is, control coolant distribution device
Pressure difference.
Further, according to one embodiment of present invention, as shown in figure 5, the throttle part of machine opens the in controlling
Two default apertures, and in opening after the blower of machine, further includes:
S305 obtains interior pusher side heat exchange temperature and indoor environment temperature.
Specifically, to obtain interior pusher side heat exchange temperature, and can be led to by the way that temperature sensor is arranged in interior pusher side heat exchanger
It crosses and temperature sensor is set in interior pusher side, to obtain indoor environment temperature.
S306 generates the corresponding third preset temperature of indoor environment temperature and the 4th default temperature according to indoor environment temperature
Degree, wherein third preset temperature is greater than indoor environment temperature, and the 4th preset temperature is less than indoor environment temperature.
For example, when indoor environment temperature is T1, the corresponding third preset temperature T1+ β 1 of indoor environment temperature is generated
With the 4th preset temperature T1- β 2, wherein 2 < T1 < T1+ β 1 of T1- β；When indoor environment temperature is T2, indoor environment temperature is generated
Spend corresponding third preset temperature T2+ β 1 and the 4th preset temperature T2- β 2, wherein 2 < T2 < T2+ β 1 of T2- β, and so on.
S307, judges whether interior pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th
Preset temperature.
S308 if interior pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th default temperature
Degree, then open the second on-off valve corresponding with interior machine in coolant distribution device.
That is, when interior pusher side heat exchange temperature is less than or equal to third preset temperature, and it is pre- to be greater than or equal to the 4th
If opening second on-off valve SVB corresponding with interior machine in coolant distribution device when temperature, thus, it controls interior machine implementation pattern and cuts
It changes.
It should be noted that in some embodiments of the invention, when interior pusher side heat exchange temperature is greater than the default temperature of third
When spending, and passing through the first preset time, second on-off valve SVB corresponding with interior machine in coolant distribution device is opened, or work as interior machine
Side heat exchange temperature is less than the 4th preset temperature, and when by the first preset time, open in coolant distribution device with interior machine pair
The the second on-off valve SVB answered to avoid aforementioned temperature sensor failure, and causes interior machine pattern switching to fail.
For example, in one particular embodiment of the present invention, as shown in fig. 6, after air conditioner powers on, step is executed
S20。
S20 obtains the operating mode switching signal of interior machine；
S21, judge in the operating mode switching signal of machine whether be that interior machine by refrigeration mode is switched to heating mode.If
It is to then follow the steps S22；If not, thening follow the steps S28.
S22 closes the first on-off valve corresponding with interior machine and the second on-off valve in coolant distribution device.
S23, the throttle part for controlling interior machine opens the second default aperture, and opens the blower of interior machine.
S24 obtains interior pusher side heat exchange temperature and indoor environment temperature, and according to indoor environment temperature, generates indoor ring
The corresponding third preset temperature of border temperature and the 4th preset temperature, wherein third preset temperature be greater than indoor environment temperature, the 4th
Preset temperature is less than indoor environment temperature.
S25, judges whether interior pusher side heat exchange temperature is less than or equal to third preset temperature, and it is pre- to be greater than or equal to the 4th
If temperature.If so, thening follow the steps S27；If not, thening follow the steps S26.
S26 judges whether by the first preset time.If so, thening follow the steps S27；If not, thening follow the steps
S25。
S27 opens the second on-off valve corresponding with interior machine in coolant distribution device.
S28 controls interior machine operating mode switching.
To sum up, the control method of coolant distribution device pressure difference according to an embodiment of the present invention obtains the current work of interior machine
Operation mode, and the operating mode switching signal of interior machine is obtained, in turn, according to the Working mould of the current operation mode of interior machine and interior machine
Formula switching signal controls the pressure difference of coolant distribution device.As a result, according to the Working mould of the current operation mode of interior machine and interior machine
Formula switching signal realizes the pressure of interior pusher side when interior machine operating mode switches over, corresponding in coolant distribution device to reduce
The pressure difference of on-off valve two sides, thus, in the work-mode switching process of interior machine, the switching of coolant distribution device is reduced or avoided
Noise when on-off valve.
Fig. 7 is the block diagram according to the control device of the coolant distribution device pressure difference of the embodiment of the present invention.
As shown in fig. 7, the control device 100 of coolant distribution device pressure difference includes: to obtain module 1 and control module 2.
Wherein, the current operation mode that module 1 is used to obtain interior machine is obtained, and the operating mode for obtaining interior machine switches letter
Number；Control module 2 is used to control coolant distribution dress according to the current operation mode of interior machine and the operating mode switching signal of interior machine
The pressure difference set.
As a result, according to the operating mode switching signal of the current operation mode of interior machine and interior machine, interior machine operating mode into
When row switching, the pressure of interior pusher side is realized, to reduce the pressure difference of coolant distribution device, thus, it is cut in the operating mode of interior machine
During changing, noise when coolant distribution device switching on-off valve is reduced or avoided.
Further, according to one embodiment of present invention, the current operation mode of interior machine may include heating mode and system
Cold mode.
Further, according to one embodiment of present invention, as shown in figure 8, the control of coolant distribution device pressure difference fills
Set 100 further include: judgment module 3.
Wherein, judgment module 3 is used for, and judges whether the current operation mode of interior machine is heating mode, and work as
When the current operation mode of machine is heating mode in judging, judge in the operating mode switching signal of machine whether be interior
Machine is switched to refrigeration mode by heating mode；Control module 2 is also used to, when the operating mode switching signal of interior machine is interior machine by making
When heat pattern is switched to refrigeration mode, the first on-off valve corresponding with interior machine and the second on-off valve in coolant distribution device are closed；
And the throttle part of machine opens the first default aperture in controlling, and opens the blower of interior machine.
That is, when judgment module 3 judges that the operating mode switching signal of interior machine is switched to for interior machine by heating mode
When refrigeration mode, the first on-off valve corresponding with interior machine and the second on-off valve in coolant distribution device are closed by control module 2,
And the throttle part of machine opens the first default aperture in controlling, and opens the blower of interior machine, to control coolant distribution device
Pressure difference.
Further, according to one embodiment of present invention, as shown in figure 8, the control of coolant distribution device pressure difference fills
Set 100 further include: generation module 4.
Wherein, it obtains module 1 to be also used to, obtains interior pusher side heat exchange temperature and indoor environment temperature；Generation module 4 is used
In, according to indoor environment temperature, corresponding first preset temperature of generation indoor environment temperature and the second preset temperature, wherein the
One preset temperature is greater than indoor environment temperature, and the second preset temperature is less than indoor environment temperature；Judgment module 3 is also used to: judgement
Whether interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature；Control module 2
It is also used to: when interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature, opening
Open the first on-off valve corresponding with interior machine in coolant distribution device.
That is, passing through generation after obtaining interior pusher side heat exchange temperature and indoor environment temperature by acquisition module 1
Module 4 generates corresponding first preset temperature of indoor environment temperature and the second preset temperature according to indoor environment temperature, and works as and sentence
Disconnected module 3 judges that interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and when being greater than or equal to the second preset temperature,
The first on-off valve corresponding with interior machine in coolant distribution device is opened by control module 2.
Further, according to one embodiment of present invention, judgment module 3 is also used to, and judges the work at present mould of interior machine
Whether formula is refrigeration mode, and when the current operation mode of interior machine is refrigeration mode, judges that the operating mode of interior machine switches letter
It number whether is that interior machine by refrigeration mode is switched to heating mode；Control module 2 is also used to, when the operating mode switching signal of interior machine
When being switched to heating mode by refrigeration mode for interior machine, the first on-off valve corresponding with interior machine and the in coolant distribution device is closed
Two on-off valves；And the aperture of the throttle part of machine is the second default aperture in controlling, and opens the blower of interior machine.
That is, when judgment module 3 judges that the operating mode switching signal of interior machine is switched to for interior machine by refrigeration mode
When heating mode, coolant distribution device coolant distribution device is closed by control module 2, and, control the throttle part of interior machine
The second default aperture is opened, and opens the blower of interior machine, to control the pressure difference of coolant distribution device.
Further, according to one embodiment of present invention, it obtains module 1 to be also used to: pusher side heat exchange temperature in obtaining
And indoor environment temperature；Generation module 4 is also used to, and according to indoor environment temperature, it is pre- to generate the corresponding third of indoor environment temperature
If temperature and the 4th preset temperature, wherein third preset temperature is greater than indoor environment temperature, and the 4th preset temperature is less than indoor ring
Border temperature；Judgment module 3 is also used to, and judges whether interior pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than
Or it is equal to the 4th preset temperature；Control module 2 is also used to, when interior pusher side heat exchange temperature be less than or equal to third preset temperature,
And when being greater than or equal to four preset temperatures, the second on-off valve corresponding with interior machine in coolant distribution device is opened.
That is, passing through generation after obtaining interior pusher side heat exchange temperature and indoor environment temperature by acquisition module 1
Module 4 generates the corresponding third preset temperature of indoor environment temperature and the 4th preset temperature according to indoor environment temperature, and works as and sentence
Disconnected module 3 judges that interior pusher side heat exchange temperature is less than or equal to third preset temperature, and when being greater than or equal to four preset temperatures,
The second on-off valve corresponding with interior machine in coolant distribution device is opened by control module 2.
It should be understood that the embodiment of the present invention coolant distribution device pressure difference control device and above-described embodiment it is cold
The specific embodiment of the control method of matchmaker's part flow arrangement pressure difference corresponds, and details are not described herein.
To sum up, the control device of coolant distribution device pressure difference according to an embodiment of the present invention is obtained by obtaining module
The current operation mode of interior machine, and the operating mode switching signal of interior machine is obtained, in turn, by control module, according to interior machine
The operating mode switching signal of current operation mode and interior machine controls the pressure difference of coolant distribution device.As a result, according to interior machine
The operating mode switching signal of current operation mode and interior machine realizes the equal of interior pusher side when interior machine operating mode switches over
Pressure, to reduce the pressure difference for corresponding to on-off valve two sides in coolant distribution device, thus, in the work-mode switching process of interior machine
In, noise when coolant distribution device switching on-off valve is reduced or avoided.
It should be noted that in flow charts indicate or logic and/or step described otherwise above herein, for example,
It is considered the order list of the executable instruction for realizing logic function, may be embodied in any computer can
Read in medium, for instruction execution system, device or equipment (such as computer based system, including the system of processor or its
He can be from instruction execution system, device or equipment instruction fetch and the system executed instruction) it uses, or combine these instruction executions
System, device or equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any may include, store,
Communicate, propagate, or transport program is for instruction execution system, device or equipment or combines these instruction execution systems, device or sets
The standby and device that uses.The more specific example (non-exhaustive list) of computer-readable medium include the following: have one or
The electrical connection section (electronic device) of multiple wirings, portable computer diskette box (magnetic device), random access memory (RAM), only
It reads memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable light
Disk read-only memory (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or its
His suitable medium, because can then be edited for example by carrying out optical scanner to paper or other media, be interpreted or must
It is handled when wanting with other suitable methods electronically to obtain described program, is then stored in computer storage
In.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of control method of coolant distribution device pressure difference, which is characterized in that the coolant distribution device includes that multiple groups are logical
Disconnected valve, every group of on-off valve include the first on-off valve and the second on-off valve, wherein the corresponding interior machine of every group of on-off valve, institute
It states mutually indepedent between every group of on-off valve, which comprises
The current operation mode of machine in obtaining；
Obtain the operating mode switching signal of the interior machine；
According to the operating mode switching signal of the current operation mode of the interior machine and the interior machine, the coolant distribution dress is controlled
The pressure difference set.
2. the method as described in claim 1, which is characterized in that the current operation mode of the interior machine includes heating mode and system
Cold mode.
3. method according to claim 2, which is characterized in that the current operation mode according to the interior machine and described interior
The operating mode switching signal of machine controls the pressure difference of the coolant distribution device, comprising:
Whether the current operation mode for judging the interior machine is heating mode；
If the current operation mode of the interior machine be heating mode, judge the interior machine operating mode switching signal whether be
The interior machine is switched to refrigeration mode by heating mode；
If the operating mode switching signal of the interior machine is that the interior machine by heating mode is switched to refrigeration mode, close described in
In coolant distribution device with interior corresponding first on-off valve of machine and second on-off valve；
The throttle part for controlling the interior machine opens the first default aperture, and opens the blower of the interior machine.
4. method as claimed in claim 3, which is characterized in that it is pre- to open first in the throttle part of the control interior machine
If aperture, and after opening the blower of the interior machine, further includes:
Pusher side heat exchange temperature and indoor environment temperature in obtaining；
According to the indoor environment temperature, corresponding first preset temperature of the indoor environment temperature and the second default temperature are generated
Degree, wherein first preset temperature is greater than the indoor environment temperature, and second preset temperature is less than the indoor environment
Temperature；
Judge whether the interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second default temperature
Degree；
If the interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and is greater than or equal to the second preset temperature, then
Open first on-off valve corresponding with the interior machine in the coolant distribution device.
5. method according to claim 2, which is characterized in that the current operation mode according to the interior machine and described interior
The operating mode switching signal of machine controls the pressure difference of the coolant distribution device, further includes:
Whether the current operation mode for judging the interior machine is refrigeration mode；
If the current operation mode of the interior machine be refrigeration mode, judge the interior machine operating mode switching signal whether be
The interior machine is switched to heating mode by refrigeration mode；
If the operating mode switching signal of the interior machine is that the interior machine by refrigeration mode is switched to heating mode, close described in
In coolant distribution device with interior corresponding first on-off valve of machine and second on-off valve；
The aperture for controlling the throttle part of the interior machine is the second default aperture, and opens the blower of the interior machine.
6. method as claimed in claim 5, which is characterized in that it is pre- to open second in the throttle part of the control interior machine
If aperture, and after opening the blower of the interior machine, further includes:
Pusher side heat exchange temperature and indoor environment temperature in obtaining；
According to the indoor environment temperature, the corresponding third preset temperature of the indoor environment temperature and the 4th default temperature are generated
Degree, wherein the third preset temperature is greater than the indoor environment temperature, and the 4th preset temperature is less than the indoor environment
Temperature；
Judge whether the interior pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th default temperature
Degree；
If the interior pusher side heat exchange temperature is less than or equal to third preset temperature, and is greater than or equal to the 4th preset temperature, then
Open second on-off valve corresponding with the interior machine in the coolant distribution device.
7. a kind of control device of coolant distribution device pressure difference, which is characterized in that the coolant distribution device includes that multiple groups are logical
Disconnected valve, every group of on-off valve include the first on-off valve and the second on-off valve, wherein the corresponding interior machine of every group of on-off valve, institute
It states between every group of on-off valve independently of each other, described device includes:
Module is obtained, for obtaining the current operation mode of interior machine, and obtains the operating mode switching signal of the interior machine；
Control module, for according to the current operation mode of the interior machine and the operating mode switching signal of the interior machine, control
The pressure difference of the coolant distribution device.
8. device as claimed in claim 7, which is characterized in that the current operation mode of the interior machine includes heating mode and system
Cold mode.
9. device as claimed in claim 8, which is characterized in that the control device further include: judgment module；
The judgment module is used for, and judges whether the current operation mode of the interior machine is heating mode, and work as
When judging the current operation mode of the interior machine for heating mode, judge the interior machine operating mode switching signal whether
Refrigeration mode is switched to by heating mode for the interior machine；
The control module is also used to, when the operating mode switching signal of the interior machine is switched to for the interior machine by heating mode
When refrigeration mode, close in the coolant distribution device with interior corresponding first on-off valve of machine and second on-off
Valve；
And the throttle part of the control interior machine opens the first default aperture, and opens the blower of the interior machine.
10. device as claimed in claim 9, which is characterized in that the control device further include: generation module；
The acquisition module is also used to, and obtains interior pusher side heat exchange temperature and indoor environment temperature；
The generation module is used for, and according to the indoor environment temperature, is generated the indoor environment temperature corresponding first and is preset
Temperature and the second preset temperature, wherein first preset temperature is greater than the indoor environment temperature, second preset temperature
Less than the indoor environment temperature；
The judgment module is also used to: judge whether the interior pusher side heat exchange temperature is less than or equal to the first preset temperature, and
More than or equal to the second preset temperature；
The control module is also used to: when the interior pusher side heat exchange temperature be less than or equal to the first preset temperature, and be greater than or
When equal to the second preset temperature, first on-off valve corresponding with the interior machine in the coolant distribution device is opened.
11. device as claimed in claim 9, which is characterized in that
The judgment module is also used to, and judges whether the current operation mode of the interior machine is refrigeration mode, and works as the interior machine
Current operation mode be refrigeration mode when, whether the operating mode switching signal for judging the interior machine is the interior machine by freezing
Pattern switching is heating mode；
The control module is also used to, when the operating mode switching signal of the interior machine is switched to for the interior machine by refrigeration mode
When heating mode, close in the coolant distribution device with interior corresponding first on-off valve of machine and second on-off
Valve；
And the aperture of the throttle part of the control interior machine is the second default aperture, and opens the blower of the interior machine.
12. device as claimed in claim 10, which is characterized in that
The acquisition module is also used to, and obtains interior pusher side heat exchange temperature and indoor environment temperature；
The generation module is also used to, and according to the indoor environment temperature, it is pre- to generate the corresponding third of the indoor environment temperature
If temperature and the 4th preset temperature, wherein the third preset temperature is greater than the indoor environment temperature, the described 4th default temperature
Degree is less than the indoor environment temperature；
The judgment module is also used to, and judges whether the interior pusher side heat exchange temperature is less than or equal to third preset temperature, and
More than or equal to the 4th preset temperature；
The control module is also used to, when the interior pusher side heat exchange temperature be less than or equal to third preset temperature, and be greater than or
When equal to four preset temperatures, second on-off valve corresponding with the interior machine in the coolant distribution device is opened.
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| CN201910071240.3A CN109798628B (en) | 2019-01-25 | 2019-01-25 | Method and device for controlling pressure difference of refrigerant flow dividing device |
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|---|---|---|---|
| CN201910071240.3A CN109798628B (en) | 2019-01-25 | 2019-01-25 | Method and device for controlling pressure difference of refrigerant flow dividing device |
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