CN107763887A - The control of Energy Level method and control device of a kind of dual system source pump - Google Patents
The control of Energy Level method and control device of a kind of dual system source pump Download PDFInfo
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- CN107763887A CN107763887A CN201711075532.1A CN201711075532A CN107763887A CN 107763887 A CN107763887 A CN 107763887A CN 201711075532 A CN201711075532 A CN 201711075532A CN 107763887 A CN107763887 A CN 107763887A
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Abstract
The invention provides a kind of control of Energy Level method of dual system source pump and control device, this method to include：When heating mode is run, inflow temperature value is detected in real time；When the inflow temperature value meets default heating condition of work, start the compressor of two heat pumps of the dual system source pump；After two compressors are started, when judging that the inflow temperature value is more than default heating target temperature value, a compressor of the dual system source pump is closed；After a compressor is closed, when judging that the inflow temperature value is less than the default heating target temperature value, the compressor of the heat pump of closing is restarted；After the compressor that restarting is closed, when judging that the inflow temperature value is equal to default maximum temperature value, the compressor of two heat pumps of the dual system source pump is closed.The embodiment of the present invention can be effectively prevented from high frequent startup, so as to reduce the energy consumption of dual system source pump.
Description
Technical field
The present invention relates to heat-pump apparatus technical field, more particularly, to a kind of control of Energy Level method of dual system source pump
And control device.
Background technology
In the prior art, dual system source pump is less than target temperature after setting target temperature to start in return water temperature
Negative return difference when then close one of heat pump, due to water temperature now and not up to target temperature setting value, therefore also
Another remaining heat pump is needed to carry out heat supply.
At present, when being run under the northerly low temperature environment of dual system source pump, because heat dissipation capacity is larger, an only heat
Pumping system carry out heat supply can not meet heat demand, water temperature can not rise, water temperature drop after a period of time, closing one of them
Heat pump will be again started up, and when return water temperature is less than the negative return difference of target temperature, continue to close one of heat pump,
Cause the high frequent of one of heat pump to start, cause energy consumption higher, and cause source pump can not reach always
To target temperature.
The content of the invention
It is existing to solve the embodiments of the invention provide a kind of control of Energy Level method of dual system source pump and control device
The high frequent of one of heat pump when some dual system source pumps are run at low ambient temperatures starts, and can not
Reach the technical problem of target temperature, so as to avoid high frequent from starting, and then save power consumption, and be effectively accomplished target temperature
Degree.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of control of Energy Level side of dual system source pump
Method, including step：
When heating mode is run, inflow temperature value is detected in real time；
When the inflow temperature value meets default heating condition of work, start two of the dual system source pump
The compressor of heat pump；
After the compressor of two heat pumps is started, when judging that the inflow temperature value is more than default heating mesh
When marking temperature value, the compressor of a heat pump of the dual system source pump is closed；
After the compressor of a heat pump is closed, when judging that the inflow temperature value is less than the default system
During thermal target temperature value, the compressor of the heat pump of closing is restarted；
After the compressor for the heat pump that restarting is closed, when judging the inflow temperature value equal to default
During maximum temperature value, the compressor of two heat pumps of the dual system source pump is closed；Wherein, it is described default
Maximum temperature value is equal to the default heating target temperature value and the first heating shutdown temperature return difference value sum, and described default
Heating target temperature value be less than the default maximum temperature value.
Preferably, it is described after the compressor of two heat pumps is started, when judging the inflow temperature
When value is more than default heating target temperature value, the compression of a heat pump of the dual system source pump is closed
Machine, specifically include：
After the compressor of two heat pumps is started, when judging that the inflow temperature value is more than the default system
During thermal target temperature value, judge whether the inflow temperature value is equal to the default first heating temperature value；Wherein, it is described default
First heating temperature value is equal to the default heating target temperature value and the second heating shutdown temperature return difference value sum；
When judging that the inflow temperature value is equal to the default first heating temperature value, the dual system heat pump is closed
The compressor of one heat pump of unit.
Preferably, it is described after the compressor of a heat pump is closed, when judging the inflow temperature
When value is less than the default heating target temperature value, the compressor of the heat pump of closing is restarted, is specifically included：
After the compressor of a heat pump is closed, when judging that the inflow temperature value is less than the default system
During thermal target temperature value, judge whether the inflow temperature value is equal to the default second heating temperature value；Wherein, it is described default
Second heating temperature value is equal to the difference of the default heating target temperature value and the first heating turn-on temperature return difference value；
When judging that the inflow temperature value is equal to the default second heating temperature value, the heat pump of closing is restarted
The compressor of system.
Preferably, it is described when the inflow temperature value meets default condition of work, start the dual system
The compressor of two heat pumps of source pump, is specifically included：
Temperature is heated when judging that the inflow temperature value is less than the default second heating temperature value and is more than the default 3rd
During value, start the compressor of a heat pump of the dual system source pump；Wherein, default second heating
Temperature value be equal to it is described it is default heating target temperature value with first heat turn-on temperature return difference value difference, the described default 3rd
Heat the difference that temperature value is equal to the default heating target temperature value and the second heating turn-on temperature return difference value；
After the compressor of a heat pump is started, when judging the inflow temperature value less than described default the
During three heating temperature values, start the compressor of another heat pump of the dual system source pump.
Preferably, the control of Energy Level method of the dual system source pump also includes：
When refrigeration mode is run, inflow temperature value is detected in real time；
When the inflow temperature value meets default refrigeration work condition, start the dual system source pump at least
The compressor of one heat pump；
After the compressor of at least one heat pump is started, when judging that the inflow temperature value is equal to described preset
The first cryogenic temperature value when, close the compressor of the heat pump of startup；Wherein, default first cryogenic temperature
Value is equal to the difference of the default refrigeration target temperature value and the first refrigeration shutdown temperature return difference value.
Preferably, it is described when the inflow temperature value meets default refrigeration work condition, start described double
The compressor of at least one heat pump of system heat pump unit, is specifically included：
When judging that the inflow temperature value is more than default second cryogenic temperature value and is less than default 3rd cryogenic temperature
During value, start the compressor of a heat pump of the dual system source pump；Wherein, default second refrigeration
Temperature value be equal to it is described it is default refrigeration target temperature value with first freeze turn-on temperature return difference value sum, the described default 3rd
Cryogenic temperature value is equal to the default refrigeration target temperature value and the second refrigeration turn-on temperature return difference value sum.
Preferably, described when judging the inflow temperature value more than default second cryogenic temperature value and being less than
During default 3rd cryogenic temperature value, after the compressor for a heat pump for starting the dual system source pump,
Methods described also includes：
After the compressor of a heat pump is started, when judging the inflow temperature value more than described default the
During three cryogenic temperature values, start the compressor of two heat pumps of the dual system source pump.
Preferably, it is described when the inflow temperature value meets default refrigeration work condition, start described double
The compressor of at least one heat pump of system heat pump unit, is specifically included：
When judging that the inflow temperature value is more than or equal to default 3rd cryogenic temperature value, start the dual system heat pump
The compressor of two heat pumps of unit；Wherein, the default 3rd cryogenic temperature value is equal to the default system
Cold target temperature value and the second refrigeration turn-on temperature return difference value sum.
Preferably, it is described when the inflow temperature value meets default refrigeration work condition, start described double
After the compressor of at least one heat pump of system heat pump unit, methods described also includes：
When the compressor for the dual system source pump for judging to start is 2, whether the inflow temperature value is judged
Equal to default 4th cryogenic temperature value；Wherein, the default 4th cryogenic temperature value is equal to the default refrigeration target
The difference of temperature value and the 3rd refrigeration turn-on temperature return difference value；
When judging that the inflow temperature value is equal to default 4th cryogenic temperature value, the dual system source pump is closed
A heat pump compressor；
After the compressor of a heat pump of the dual system source pump is closed, when entering water temperature described in judgement
When angle value is more than the default second cryogenic temperature value, start the compressor of a heat pump of closing；Wherein, institute
State default second cryogenic temperature value be equal to the default refrigeration target temperature value with first freeze turn-on temperature return difference value it
With.
In order to solve identical technical problem, the embodiment of the present invention additionally provides a kind of energy level control of dual system source pump
Device processed, including：
Real-time detection module, for when heating mode is run, detecting inflow temperature value in real time；
First starts compressor module；For when the inflow temperature value meets default heating condition of work, starting
The compressor of two heat pumps of the dual system source pump；
First close compressor module；For after the compressor of two heat pumps is started, when entering described in judgement
When water temperature angle value is more than default heating target temperature value, a heat pump of the dual system source pump is closed
Compressor；
Second starts compressor module；For after the compressor of a heat pump is closed, when entering described in judgement
When water temperature angle value is less than the default heating target temperature value, the compressor of the heat pump of closing is restarted；
Second close compressor module；After compressor for the heat pump closed in restarting, work as judgement
When the inflow temperature value is equal to default maximum temperature value, two heat pumps of the dual system source pump are closed
Compressor；Wherein, the default maximum temperature value is equal to the default heating target temperature value and the first heating is shut down
Temperature return difference value sum, and the default heating target temperature value is less than the default maximum temperature value.
Compared to prior art, the beneficial effect of the embodiment of the present invention is, avoids conventional dual system source pump and exists
The compressor that one of heat pump is closed when water temperature is less than the negative return difference of target temperature under heating mode is not suitable for low temperature
The problem of environment causes high frequent to start and is unable to reach target temperature.When the present invention by running at low ambient temperatures,
Only when the inflow temperature value is more than default heating target temperature value, an institute of the dual system source pump is just closed
The compressor of heat pump is stated, now, the inflow temperature meets heat demand, is opened so as to efficiently avoid high frequent
It is dynamic, and then reduce the energy consumption of the dual system source pump.
Brief description of the drawings
Fig. 1 is the flow chart of the control of Energy Level method of the dual system source pump in the embodiment of the present invention；
Fig. 2 is the fundamental diagram of the dual system source pump of the embodiment of the present invention one in a heating mode；
Fig. 3 is the step flow chart of step S3 in the embodiment of the present invention；
Fig. 4 is the step flow chart of step S4 in the embodiment of the present invention；
Fig. 5 is the step flow chart of step S2 in the embodiment of the present invention；
Fig. 6 is the fundamental diagram of dual system source pump in cooling mode in the embodiment of the present invention；
Fig. 7 is the structural representation of the control of Energy Level device of the dual system source pump of the embodiment of the present invention one；
Wherein, T is inflow temperature value；T0 is default heating target temperature value；T1 is the first heating turn-on temperature return difference
Value；T2 is the second heating turn-on temperature return difference value；T3 is the second heating shutdown temperature return difference value；T4 is the first heating shutdown temperature
Return difference value；D1 is the default second heating temperature value；D1=T0-T1；D2 is the default 3rd heating temperature value；D2=T0-T2；
D3 is the default first heating temperature value；D3=T0+T3；D4 is default maximum temperature value；D4=T0+T4；
R0 is default refrigeration target temperature value；R1 is the first refrigeration turn-on temperature return difference value；R2 is that the second refrigeration is started shooting
Temperature return difference value；R3 is the 3rd refrigeration turn-on temperature return difference value；R4 is the first refrigeration shutdown temperature return difference value；E1 is default the
Two cryogenic temperature values；E1=R0+R1；E2 is default 3rd cryogenic temperature value；E2=R0+R3；E3 is the default 4th refrigeration
Temperature value；E3=R0-R3；E4 is default first cryogenic temperature value；E4=R0-R4；
11st, the control of Energy Level device of dual system source pump；11st, real-time detection module；12nd, first starts compressor mould
Block；13rd, the first close compressor module；14th, second starts compressor module；15th, the second close compressor module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2；The preferred embodiment of the present invention provides a kind of control of Energy Level method of dual system source pump,
Including step：
S1, when heating mode is run, detect inflow temperature value T in real time；
S2, the inflow temperature value T meet it is default heating condition of work when, start the dual system source pump
The compressor of two heat pumps；
S3, after the compressor of two heat pumps is started, when judging that the inflow temperature value T is more than default system
During thermal target temperature value T0, the compressor of a heat pump of the dual system source pump is closed；
S4, close a heat pump compressor after, when judge the inflow temperature value T be less than it is described preset
Heating target temperature value T0 when, restart the compressor of the heat pump of closing；
S5, restarting close the heat pump compressor after, when judge the inflow temperature value T be equal in advance
If maximum temperature value D4 when, close the compressors of two heat pumps of the dual system source pump；Wherein, it is described
Default maximum temperature value D4 be equal to the default heating target temperature value T0 and first heat shutdown temperature return difference value T4 it
With, and the default heating target temperature value T0 is less than the default maximum temperature value D4.
Relative to prior art, a kind of control of Energy Level method of dual system source pump of the embodiment of the present invention, avoid
Conventional dual system source pump closes one of heat pump when water temperature is less than the negative return difference of target temperature in a heating mode
Compressor be not suitable for low temperature environment and cause high frequent to start and the problem of be unable to reach target temperature.The present invention is implemented
When example by running at low ambient temperatures, only when the inflow temperature value is more than default heating target temperature value T0, just close
The compressor of a heat pump of the dual system source pump is closed, now, the inflow temperature meets heat demand,
Start so as to efficiently avoid high frequent, and then reduce the energy consumption of the dual system source pump.
In embodiments of the present invention, it should be noted that the default heating target temperature value T0 is in heating mode
Heating turn-on temperature setting value during operation；The first heating turn-on temperature return difference value T1 is heating start return difference value 1；It is described
Second heating turn-on temperature return difference value T2 is heating start return difference value 2；The second heating shutdown temperature return difference value T3 is heating
Shutdown temperature return difference value 1；The first heating shutdown temperature return difference value T4 shuts down return difference value 2 for heating.
Referring to Fig. 1 to Fig. 3, preferred embodiment is further used as, the step S3, is starting two heat pump systems
After the compressor of system, when judging that the inflow temperature value T is more than default heating target temperature value T0, the dual system is closed
The compressor of one heat pump of source pump, is specifically included：
S31, after the compressor of two heat pumps is started, when judging the inflow temperature value T more than described pre-
If heating target temperature value T0 when, judge whether the inflow temperature value T is equal to the default first heating temperature value D3；Its
In, the default first heating temperature value D3 is equal to the heating shutdown temperatures of the default heating target temperature value T0 and second
Return difference value T3 sums；
S32, when judging that the inflow temperature value T is equal to the default first heating temperature value D3, close described double
The compressor of one heat pump of system heat pump unit.The dual system source pump as shown in Figure 2 1. -2. -3. -
4. -5. -6. -7. -8. run.
In embodiments of the present invention, it should be noted that when the inflow temperature value T is equal to default first heating
Temperature value D3, and the inflow temperature T is higher than the default heating target temperature value T0, illustrates that water temperature has reached user's
Target requirement.
When the compressor for only starting a heat pump heats water temperature, within follow-up a period of time, if heat supply
Amount is more than heat dissipation capacity, then will not cause water temperature drop, and only the compressor of one heat pump of startup can meet follow-up
Heat demand, so as to save power consumption.
Referring to Fig. 1, Fig. 2 and Fig. 4, preferred embodiment is further used as, the step S4, is closing the heat
After the compressor of pumping system, when judging that the inflow temperature value T is less than the default heating target temperature value T0, open again
The compressor of the dynamic heat pump closed, is specifically included：
S41, after the compressor of a heat pump is closed, when judging the inflow temperature value T less than described pre-
If heating target temperature value T0 when, judge whether the inflow temperature value T is equal to the default second heating temperature value D1；Its
In, the default second heating temperature value D1 is equal to the heating turn-on temperatures of the default heating target temperature value T0 and first
Return difference value T1 difference；
S42, when judge the inflow temperature value T be equal to default second heating temperature value D1 when, restart closing
The compressor of the heat pump.
When judging that the inflow temperature value T is equal to default maximum temperature value D4, the dual system source pump is closed
Two heat pumps compressor, the dual system source pump by it is as shown in Figure 2 1. -2. -3. -4. -5. -9. -
⑩--Operation.
In embodiments of the present invention, it should be noted that when the compressor heating for only starting a heat pump
During water temperature, if now environment temperature is very low, cause heat dissipation capacity to be more than heating load, only start the compressor of a heat pump
Heat demand can not be met, over time, the inflow temperature drops to default second heating temperature value D1, i.e. T<
During T0-T1, the compressor of the heat pump of closing is restarted.When the inflow temperature T reaches described default again
During the first heating temperature value D3, due to before in described default first heating temperature value D3, one heat pump of closing
Compressor, and the heat demand of user can not be met, now the dual system unit is not shut down, and continues to heat, until described
During default maximum temperature value D4, complete machine is shut down, and saves power consumption
Referring to Fig. 1, Fig. 2 and Fig. 5, preferred embodiment is further used as, the step S2, in the inflow temperature value
When T meets default condition of work, start the compressor of two heat pumps of the dual system source pump, specifically include：
S21, when judge the inflow temperature value T be less than default second heating temperature value D1 and more than the default 3rd system
During hot temperature value D2, start the compressor of a heat pump of the dual system source pump；Wherein, it is described default
Second heating temperature value D1 is equal to the heating turn-on temperature return difference values of the default heating target temperature value T0 and first T1 difference,
The default 3rd heating temperature value D2 is equal to the heating turn-on temperatures of the default heating target temperature value T0 and second and returned
Difference T2 difference；
S22, after the compressor of a heat pump is started, when judging the inflow temperature value T less than described pre-
If the 3rd heating temperature value D2 when, start the compressor of another heat pump of the dual system source pump.
In embodiments of the present invention, the dual system unit is started shooting for the first time, when the inflow temperature value T is less than default
Second heats temperature value D1 and more than the default 3rd heating temperature value D2, i.e. T0-T2<T<During T0-T1, start the dual system
The compressor of one heat pump of source pump, now constantly detect and judge the inflow temperature T0；When judging
State inflow temperature value T and be less than default 3rd heating the temperature value D2, i.e. T<During T0-T2, start the dual system heat pump machine
The compressor of another heat pump of group, if the inflow temperature T0 continues to decline, then opens electrical heating, with
Aid in heat hot water.
Referring to Fig. 6, preferred embodiment is further used as, the control of Energy Level method of the dual system source pump is also wrapped
Include：
When refrigeration mode is run, inflow temperature value T is detected in real time；
When the inflow temperature value T meets default refrigeration work condition, start the dual system source pump extremely
The compressor of a few heat pump；
After the compressor of at least one heat pump is started, when judging the inflow temperature value T equal to described pre-
If the first cryogenic temperature value E4 when, close the compressor of the heat pump of startup；Wherein, default first refrigeration
Temperature value E4 is equal to the refrigeration shutdown temperature return difference values of the default refrigeration target temperature value R0 and first R4 difference.
In embodiments of the present invention, it should be noted that the default refrigeration target temperature value R0 is in refrigeration mode
Heating turn-on temperature setting value during operation；The first refrigeration turn-on temperature return difference value R1 is refrigeration turn-on temperature return difference value 1；
The second refrigeration turn-on temperature return difference value is refrigeration turn-on temperature return difference value 2；The 3rd refrigeration turn-on temperature return difference value R3
For shutdown temperature return difference value 1 of freezing；The first refrigeration shutdown temperature return difference value is refrigeration shutdown temperature return difference value 2.
Referring to Fig. 6, preferred embodiment is further used as, it is described to meet default refrigeration in the inflow temperature value T
During condition of work, start the compressor of at least one heat pump of the dual system source pump, specifically include：
It is more than default second cryogenic temperature value E1 and warm less than the default 3rd refrigeration when judging the inflow temperature value T
During angle value E2, start the compressor of a heat pump of the dual system source pump；Wherein, described default second
Cryogenic temperature value E1 is equal to the refrigeration turn-on temperature return difference value R1 sums of the default refrigeration target temperature value R0 and first, described
Default 3rd cryogenic temperature value E2 is equal to the refrigeration turn-on temperature return difference values of the default refrigeration target temperature value R0 and second
R2 sums.
In embodiments of the present invention, the dual system unit is started shooting for the first time, when the inflow temperature value T is more than default
Second cryogenic temperature value E1 and it is less than default 3rd cryogenic temperature value E2, i.e. R0+R1<T<During R0+R2, start the dual system
The compressor of one heat pump of source pump, now constantly detect and judge the inflow temperature value T, if it is described enter
Water temperature angle value T continues to decline, then the dual system source pump as shown in Figure 6 7. -8. -4. -5. -6. -7. run.
Referring to Fig. 6, preferred embodiment is further used as, described the inflow temperature value T ought be judged more than default
The second cryogenic temperature value E1 and when being less than default 3rd cryogenic temperature value E2, start one of the dual system source pump
After the compressor of the heat pump, methods described also includes：
After the compressor of a heat pump is started, when judging the inflow temperature value T more than described default
During the 3rd cryogenic temperature value E2, start the compressor of two heat pumps of the dual system source pump.
In embodiments of the present invention, the dual system unit is started shooting for the first time, when the inflow temperature value T is more than default
Second cryogenic temperature value E1 and it is less than default 3rd cryogenic temperature value E2, i.e. R0+R1<T<During R0+R2, start the dual system
The compressor of one heat pump of source pump, now constantly detect and judge the inflow temperature value T, if it is described enter
Water temperature angle value T continues to rise, then the dual system source pump machine as shown in Figure 6 7. -9. -1. -2. -3. -4. -5. -6. transport
OK.
Preferred embodiment is further used as, it is described to meet default refrigeration work condition in the inflow temperature value T
When, start the compressor of at least one heat pump of the dual system source pump, specifically include：
When judging that the inflow temperature value T is more than or equal to default 3rd cryogenic temperature value E2, start the dual system
The compressor of two heat pumps of source pump；Wherein, the default 3rd cryogenic temperature value E2 is equal to described pre-
If refrigeration target temperature value R0 and second refrigeration turn-on temperature return difference value R2 sums.
In embodiments of the present invention, the dual system unit is started shooting for the first time, when the inflow temperature value T is more than or equal in advance
If the 3rd cryogenic temperature value E2, i.e. during T >=R0+R2, then the dual system source pump as shown in Figure 6 1. -2. -3. -4. -
5. -6. run.
It is further used as preferred embodiment, it should be noted that after dual system source pump constant temperature shutdown,
Constant temperature is started shooting again, when the inflow temperature value T is more than default second cryogenic temperature value E1, i.e. R0+R1<During T, described in startup
The compressor of one heat pump of dual system source pump, now constantly detect and judge the inflow temperature value T；
If the inflow temperature value T continues to decline, the dual system source pump as shown in Figure 6 7. -8. -4. -5. -
6. -7. run；
If the inflow temperature value T continues to rise, the dual system source pump machine as shown in Figure 6 7. -9. -1. -
2. -3. -4. -5. -6. run.
Preferred embodiment is further used as, it is described to meet default refrigeration work condition in the inflow temperature value T
When, after the compressor of at least one heat pump for starting the dual system source pump, methods described also includes：
When the compressor for the dual system source pump for judging to start is 2, whether the inflow temperature value T is judged
Equal to default 4th cryogenic temperature value E3；Wherein, the default 4th cryogenic temperature value E3 is equal to the default refrigeration
The refrigeration turn-on temperature return difference values of target temperature value R0 and the 3rd R3 difference；
When judging that the inflow temperature value T is equal to default 4th cryogenic temperature value E3, the dual system heat pump is closed
The compressor of one heat pump of unit；
After the compressor of a heat pump of the dual system source pump is closed, when entering water temperature described in judgement
When angle value T is more than the default second cryogenic temperature value E1, start the compressor of a heat pump of closing；Its
In, the default second cryogenic temperature value E1 is equal to the refrigeration turn-on temperatures of the default refrigeration target temperature value R0 and first
Return difference value R1 sums.
In embodiments of the present invention, after the compressor of 2 dual system source pumps of startup, the inflow temperature value
When T is equal to default 4th cryogenic temperature value E3, the compression of a heat pump of the dual system source pump is closed
Machine, judge water temperature, if water temperature continues to rise, as shown in Figure 6 8. -10. --Operation.
Referring to Fig. 7, in order to solve identical technical problem, the embodiment of the present invention additionally provides a kind of dual system source pump
Control of Energy Level device 1, including：
Real-time detection module 11, for when heating mode is run, detecting inflow temperature value T in real time；
First starts compressor module 12；For when the inflow temperature value T meets default heating condition of work, opening
Move the compressor of two heat pumps of the dual system source pump；
First close compressor module 13；For start two heat pumps compressor after, when described in judgement
When inflow temperature value T is more than default heating target temperature value T0, a heat pump of the dual system source pump is closed
The compressor of system；
Second starts compressor module 14；For close a heat pump compressor after, when described in judgement
When inflow temperature value T is less than the default heating target temperature value T0, the compression of the heat pump of closing is restarted
Machine；
Second close compressor module 15；After compressor for the heat pump closed in restarting, when sentencing
When the inflow temperature value T that breaks is equal to default maximum temperature value D4, two heat of the dual system source pump are closed
The compressor of pumping system；Wherein, the default maximum temperature value D4 is equal to the default heating target temperature value T0 and the
One refrigeration shutdown temperature return difference value T4 sums, and the default heating target temperature value T0 is less than the default maximum temperature
Value D4.
To sum up, the beneficial effect of the embodiment of the present invention is, the embodiments of the invention provide a kind of dual system source pump
Control of Energy Level method and control device, avoiding conventional dual system source pump, water temperature is less than target temperature in a heating mode
Negative return difference when close one of heat pump compressor be not suitable for low temperature environment cause high frequent start and nothing
Method reaches the problem of target temperature.When the present invention by running at low ambient temperatures, only preset when the inflow temperature value is more than
Heating target temperature value T0 when, just close the compressor of a heat pump of the dual system source pump, now,
The inflow temperature meets heat demand, starts so as to efficiently avoid high frequent, and then reduce the dual system
The energy consumption of source pump.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
- A kind of 1. control of Energy Level method of dual system source pump, it is characterised in that comprise the following steps：When heating mode is run, inflow temperature value is detected in real time；When the inflow temperature value meets default heating condition of work, start two heat pumps of the dual system source pump The compressor of system；Start two heat pumps compressor after, when judge the inflow temperature value be more than it is default heat target temperature During angle value, the compressor of a heat pump of the dual system source pump is closed；After the compressor of a heat pump is closed, when judging that the inflow temperature value is less than the default heating mesh When marking temperature value, the compressor of the heat pump of closing is restarted；After the compressor for the heat pump that restarting is closed, when judging that the inflow temperature value is equal to default highest During temperature value, the compressor of two heat pumps of the dual system source pump is closed；Wherein, the default highest Temperature value is equal to the default heating target temperature value and the first heating shutdown temperature return difference value sum, and the default system Thermal target temperature value is less than the default maximum temperature value.
- 2. the control of Energy Level method of dual system source pump as claimed in claim 1, it is characterised in that described to start two After the compressor of the heat pump, when judging that the inflow temperature value is more than default heating target temperature value, institute is closed The compressor of a heat pump of dual system source pump is stated, is specifically included：After the compressor of two heat pumps is started, when judging that the inflow temperature value is more than the default heating mesh When marking temperature value, judge whether the inflow temperature value is equal to the default first heating temperature value；Wherein, described default first Heat temperature value and be equal to the default heating target temperature value and the second heating shutdown temperature return difference value sum；When judging that the inflow temperature value is equal to the default first heating temperature value, the dual system source pump is closed A heat pump compressor.
- 3. the control of Energy Level method of dual system source pump as claimed in claim 1, it is characterised in that described to close one After the compressor of the heat pump, when judging that the inflow temperature value is less than the default heating target temperature value, weight The new compressor for starting the heat pump closed, is specifically included：After the compressor of a heat pump is closed, when judging that the inflow temperature value is less than the default heating mesh When marking temperature value, judge whether the inflow temperature value is equal to the default second heating temperature value；Wherein, described default second Heat the difference that temperature value is equal to the default heating target temperature value and the first heating turn-on temperature return difference value；When judging that the inflow temperature value is equal to the default second heating temperature value, the heat pump of closing is restarted Compressor.
- 4. the control of Energy Level method of dual system source pump as claimed in claim 1, it is characterised in that described in the water inlet When temperature value meets default condition of work, start the compressor of two heat pumps of the dual system source pump, specifically Including：When judging the inflow temperature value less than the default second heating temperature value and heating temperature value more than the default 3rd, Start the compressor of a heat pump of the dual system source pump；Wherein, the default second heating temperature Value is equal to the difference of the default heating target temperature value and the first heating turn-on temperature return difference value, default 3rd heating Temperature value is equal to the difference of the default heating target temperature value and the second heating turn-on temperature return difference value；Start a heat pump compressor after, when judge the inflow temperature value be less than it is described it is default 3rd make During hot temperature value, start the compressor of another heat pump of the dual system source pump.
- 5. the control of Energy Level method of the dual system source pump as described in any one of Claims 1 to 4, it is characterised in that described The control of Energy Level method of dual system source pump also includes：When refrigeration mode is run, inflow temperature value is detected in real time；When the inflow temperature value meets default refrigeration work condition, start at least one of the dual system source pump The compressor of the heat pump；After the compressor of at least one heat pump is started, when judging the inflow temperature value equal to described default the During one cryogenic temperature value, the compressor of the heat pump of startup is closed；Wherein, described default first cryogenic temperature value etc. In the default refrigeration target temperature value and the difference of the first refrigeration shutdown temperature return difference value.
- 6. the control of Energy Level method of dual system source pump as claimed in claim 5, it is characterised in that described in the water inlet When temperature value meets default refrigeration work condition, start at least one heat pump of the dual system source pump Compressor, specifically include：When judging the inflow temperature value more than default second cryogenic temperature value and being less than default 3rd cryogenic temperature value, Start the compressor of a heat pump of the dual system source pump；Wherein, default second cryogenic temperature Value is equal to the default refrigeration target temperature value and the first refrigeration turn-on temperature return difference value sum, default 3rd refrigeration Temperature value is equal to the default refrigeration target temperature value and the second refrigeration turn-on temperature return difference value sum.
- 7. the control of Energy Level method of dual system source pump as claimed in claim 6, it is characterised in that ought judge institute described When stating inflow temperature value more than default second cryogenic temperature value and being less than default 3rd cryogenic temperature value, start double systems After the compressor of one heat pump of source pump of uniting, methods described also includes：Start a heat pump compressor after, when judge the inflow temperature value be more than it is described it is default 3rd make During cold temperature value, start the compressor of two heat pumps of the dual system source pump.
- 8. the control of Energy Level method of dual system source pump as claimed in claim 5, it is characterised in that described in the water inlet When temperature value meets default refrigeration work condition, start at least one heat pump of the dual system source pump Compressor, specifically include：When judging that the inflow temperature value is more than or equal to default 3rd cryogenic temperature value, start the dual system source pump Two heat pumps compressor；Wherein, the default 3rd cryogenic temperature value is equal to the default refrigeration mesh Mark temperature value and the second refrigeration turn-on temperature return difference value sum.
- 9. the control of Energy Level method of dual system source pump as claimed in claim 5, it is characterised in that described in the water inlet When temperature value meets default refrigeration work condition, start at least one heat pump of the dual system source pump After compressor, methods described also includes：When the compressor for the dual system source pump for judging to start is 2, judge whether the inflow temperature value is equal to Default 4th cryogenic temperature value；Wherein, the default 4th cryogenic temperature value is equal to the default refrigeration target temperature The difference of value and the 3rd refrigeration turn-on temperature return difference value；When judging that the inflow temperature value is equal to default 4th cryogenic temperature value, the one of the dual system source pump is closed The compressor of the individual heat pump；After the compressor of a heat pump of the dual system source pump is closed, when judging the inflow temperature value During more than the default second cryogenic temperature value, start the compressor of a heat pump of closing；Wherein, it is described pre- If the second cryogenic temperature value be equal to it is described it is default refrigeration target temperature value with first freeze turn-on temperature return difference value sum.
- A kind of 10. control of Energy Level device of dual system source pump, it is characterised in that including：Real-time detection module, for when heating mode is run, detecting inflow temperature value in real time；First starts compressor module；For when the inflow temperature value meets default heating condition of work, described in startup The compressor of two heat pumps of dual system source pump；First close compressor module；For after the compressor of two heat pumps is started, when entering water temperature described in judgement When angle value is more than default heating target temperature value, the compression of a heat pump of the dual system source pump is closed Machine；Second starts compressor module；For after the compressor of a heat pump is closed, when entering water temperature described in judgement When angle value is less than the default heating target temperature value, the compressor of the heat pump of closing is restarted；Second close compressor module；After compressor for the heat pump closed in restarting, when described in judgement When inflow temperature value is equal to default maximum temperature value, the pressure of two heat pumps of the dual system source pump is closed Contracting machine；Wherein, the default maximum temperature value is equal to the default heating target temperature value and the first heating shutdown temperature Return difference value sum, and the default heating target temperature value is less than the default maximum temperature value.
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