CN107816782A - A kind of heat pump and control device and control method based on temperature curve - Google Patents
A kind of heat pump and control device and control method based on temperature curve Download PDFInfo
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- CN107816782A CN107816782A CN201711267087.9A CN201711267087A CN107816782A CN 107816782 A CN107816782 A CN 107816782A CN 201711267087 A CN201711267087 A CN 201711267087A CN 107816782 A CN107816782 A CN 107816782A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 165
- 238000009790 rate-determining step (RDS) Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 34
- 238000005057 refrigeration Methods 0.000 claims description 20
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The invention provides a kind of heat pump based on temperature curve and control device and control method, comprise the following steps：The step of water tank temperature and the rate-determining steps of heat pump mode of operation, the step of return water temperature is set according to outdoor temperature and work of control heat pump assembly interval.A kind of heat pump control device based on temperature curve, including the temperature sensor and central controller unit being arranged on heat pump assembly.The heat pump control device and heat pump control method of the present invention, controls the auto-controll operation of heat pump assembly, simple to operate, solves the difficulty that general domestic consumer operates with inconvenience.
Description
Technical field
The present invention relates to air conditioner controlling technology field, specially a kind of heat pump and control device based on temperature curve and
Control method.
Background technology
Air source heat pump, by extensive popularization and application, is national " coal changes electricity " political affairs under the overall situation of current energy-saving and emission-reduction
The preferred unit of plan.But after air source heat pump needs artificial sensing outside temperature, then artificial selection mode of operation, not
Under same mode of operation, it is also necessary to artificial setting return water temperature so that control system is complicated, for general domestic consumer,
Add and operate with difficulty.
The Chinese patent of Application No. 201220148179.1, disclose a kind of heat pump fresh air and integrate air-conditioning system, such as Fig. 1
Shown, it has heat pump unit 1, fresh air unit 2 and control unit, there is two kinds of mode of operations of heating and refrigeration, but its pattern
Switching, the temperature control especially in each pattern can only be carried out by way of setting by hand, and automaticity is not high, be used
Inconvenience, there is an urgent need to improved.
The content of the invention
To solve the above problems, the invention provides a kind of heat pump based on temperature curve and control device and its controlling party
Method.To sum up, heat pump control device of the invention and heat pump control method, the auto-controll operation of heat pump assembly is controlled, operated
Simply, solves the difficulty that general domestic consumer operates with inconvenience.
To realize the technical purpose, the technical scheme is that：A kind of heat pump control method based on temperature curve,
Comprise the following steps：
P1：Water tank temperature and heat pump mode of operation rate-determining steps；
P2：The step of return water temperature is set according to outdoor temperature；
P3：According to setting return water temperature value and the magnitude relationship of measurement return water temperature value, the work of control heat pump assembly interval
The step of.
Further, step P1 water tank temperatures and heat pump the mode of operation rate-determining steps comprise the following steps：
S1：Set water tank temperature value T1；
S2：The water tank temperature setting value T1 magnitude relationships in current water tank temperature value T2 and step S1 are measured, in current water
When box temperature angle value T2 is less than water tank temperature setting value T1, step S3 is carried out, otherwise carries out step S4；
S3：Heat pump assembly work is controlled, into heating aqueous mode；
S4：Indoor temperature monitors, and selects heat pump assembly to enter heating mode or refrigeration mode according to indoor temperature T3
It is a kind of.
Further, the step S4 is by constantly detecting indoor temperature T3, when temperature T3 is more than 26 DEG C indoors, is controlled
Heat pump assembly enters refrigeration mode；When temperature T3 is less than 18 DEG C indoors, control heat pump assembly enters heating mode.
Further, the step of controlling return water temperature according to outdoor temperature in the step P2 be：Detect outdoor temperature T4, root
According to outdoor temperature T4 and return water temperature temperature curve relation, return water temperature is set as T5.
Further, the temperature curve relation of the outdoor temperature T4 and return water temperature are：
Outdoor temperature be less than 0 DEG C when, return water temperature T5=k1*T4+25, wherein k1 spans be -0.5~-
0.8；
It is more than 20 DEG C, return water temperature T5=k2*T4+40 in outdoor temperature, wherein k2 spans are -0.5~-0.8；
In outdoor temperature when between 0~20 DEG C, return water temperature T5 is constant to be arranged to 25 DEG C.
Further, according to setting return water temperature value and the magnitude relationship of measurement return water temperature value, control in the step P3
The step of heat pump assembly interval works includes heat pump under heat pump assembly interval job control step under heating mode and refrigeration mode
Device interval job control step；
Heat pump assembly interval job control step includes under the heating mode：
S5：Return water temperature T6 is measured,
S6：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship, be less than institute in return water temperature T6
When stating return water temperature setting value T5, control heat pump assembly work；
Heat pump assembly interval job control step includes under the refrigeration mode：
S7：Return water temperature T6 is measured,
S8：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship, be more than institute in return water temperature T6
When stating return water temperature setting value T5, control heat pump assembly work；
In the step S6, it is less than return water temperature setting value T5 time controls heating pump installation work in return water temperature T6.
Further, in the step S6, when return water temperature T6 is more than at least 5 DEG C of the return water temperature setting value T5, carry out
Step P1；
In the step S8, when return water temperature T6 is less than at least 5 DEG C of the return water temperature setting value T5, step P1 is carried out.
A kind of heat pump control device based on temperature curve, including：Heat pump assembly, heat pump control device；
The heat pump assembly, including：Condenser, evaporator, compressor；
The condenser, evaporator, compressor connect to form loop by refrigerant tubing, and are connected outside the condenser
Water；The evaporator is arranged in outdoor unit, and the condenser and compressor, water tank are arranged in indoor set；
The heat pump control device, including：Indoor temperature transmitter, outdoor temperature sensor, water tank temperature sensor, return
Water temperature sensor, central controller unit；The indoor temperature transmitter is arranged on indoor set, the outdoor temperature sensing
Device is arranged on outdoor unit, and the return water temperature sensor is arranged on the connecting pipe between water tank and condenser, the water
Box temperature degree tactility apparatus is arranged in water tank；The indoor temperature tactility apparatus, outdoor temperature sensor, water tank temperature sensor, return
Water temperature sensor is connected to central controller unit.
Further, switching value isolation and amplifier unit is set outside the central controller unit and connects relay, for controlling
The working condition of compressor processed.
Further, pressure inverting unit is set outside the central controller unit and connects pressure acquisition unit, for adopting
Collect the working condition of compressor.
As a preference of the present invention, setting keyboard outside the central controller unit, keyboard is connected by keyboard scan unit
Central controller unit is connected to, for setting water tank；
Liquid crystal display is set outside the central controller unit, for the working condition for showing compressor, indoor room
Outer temperature, water tank temperature, return water temperature.
The beneficial effects of the present invention are：
1) heat pump control device of the invention does not need manual operation, according to indoor air temperature, nonstick system of control refrigeration heat, makes
Obtain the isoperibol that indoor air temperature maintains 20-26 DEG C.
1) heat pump control device of the invention, under refrigeration or heating mode, it is not necessary to after artificial sensing outside temperature
The return water temperature of water tank is set again, keeps away the intelligent domestic system realized truly.
To sum up, heat pump control device of the invention and heat pump control method, the auto-controll operation of heat pump assembly is controlled,
It is simple to operate, solve the difficulty that general domestic consumer operates with inconvenience.
Brief description of the drawings
Fig. 1 is the structural representation of heat pump assembly of the present invention；
Fig. 2 is the structural representation of outdoor unit of the present invention；
Fig. 3 is the structural representation of indoor set of the present invention；
Fig. 4 is outdoor temperature of the present invention and the versus temperature of return water temperature；
Fig. 5 is the flow chart of heat pump control method of the present invention；
Fig. 6 is the circuit module schematic diagram of the heat pump control device of the present invention；
Fig. 7 is the module diagram of the control system for heat pump of the present invention.
Embodiment
Technical scheme will be clearly and completely described below.
Embodiments of the present invention are as follows：A kind of heat pump control method based on temperature curve, as shown in figure 5, including with
Lower step：
P1：Water tank temperature and heat pump mode of operation rate-determining steps；
P2：The step of return water temperature is set according to outdoor temperature；
P3：According to setting return water temperature value and the magnitude relationship of measurement return water temperature value, pass through central controller unit, control
The step of heating the work of pump installation interval.
Further, step P1 water tank temperatures and heat pump the mode of operation rate-determining steps comprise the following steps：
S1：Artificial setting water tank temperature value T1；
S2：The water tank temperature setting value T1 magnitude relationships in current water tank temperature value T2 and step S1 are measured, in current water
When box temperature angle value T2 is less than water tank temperature setting value T1, step S3 is carried out, otherwise carries out step S4；Meanwhile as the present invention's
A kind of preferred embodiment, user-defined water tank temperature setting value T1 can not be reached in current water tank temperature value T2, especially
It is the just progress step S3 when current water tank temperature value T2 is less than at least 5 DEG C of water tank temperature setting value T1.
S3：Heat pump assembly is controlled to work by central controller unit, condenser 13 constantly radiates, into water heating mould
Formula so that water tank temperature is constantly increased to T1, to meet the needs of user is to water the temperature inside the box；
S4：Indoor temperature monitors, and according to indoor temperature T3, by central controller unit, selects heat pump assembly to enter
One kind of heating mode or refrigeration mode.
Further, the step S4 is by constantly detecting indoor temperature T3, when temperature T3 is more than 26 DEG C indoors, is controlled
Heat pump assembly enters refrigeration mode；When temperature T3 is less than 18 DEG C indoors, control heat pump assembly enters heating mode, specifically,
It is to control heating or refrigeration by controlling the mode of operation of compressor.Carried out selecting heating or refrigeration mould according to indoor temperature
Formula so that indoor temperature is maintained at 20-26 DEG C of suitable environment temperature, reached automatically control, purpose easy to use.
Further, the step of controlling return water temperature according to outdoor temperature in the step P2 be：Detect outdoor temperature T4, root
According to outdoor temperature T4 and return water temperature temperature curve relation, return water temperature is set as T5.Outdoor temperature T4 and return water temperature
Temperature curve relation is that indoor temperature is maintained at a temperature of 20-26 DEG C of suitable environment, with outdoor temp angle value and return water temperature
It is worth and is tested what is obtained for variable.The control technology of temperature causes heat pump under heating or refrigeration mode so that compressor chamber
Every work, reach the purpose of energy-conservation.
Further, as shown in figure 4, the temperature curve relation of the outdoor temperature T4 and return water temperature is：
Outdoor temperature be less than 0 DEG C when (line segment is 3.), return water temperature T5=k1*T4+25, wherein k1 spans for-
0.5~-0.8；Preferably, k1 may be selected to be -0.75.
Outdoor temperature be more than 20 DEG C, (line segment is 1.) return water temperature be T5=k2*T4+40, wherein k2 spans be-
0.5~-0.8；Preferably, k1 may be selected to be -0.75.
In outdoor temperature when between 0~20 DEG C (line segment is 2.), return water temperature T5 is constant to be arranged to 25 DEG C.
Further, according to setting return water temperature value and the magnitude relationship of measurement return water temperature value, control in the step P3
The step of heat pump assembly interval works includes heat pump under heat pump assembly interval job control step under heating mode and refrigeration mode
Device interval job control step；
Heat pump assembly interval job control step includes under the heating mode：
S5：Return water temperature T6 is measured,
S6：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship,
When return water temperature T6 is less than the return water temperature setting value T5, control heat pump assembly works, otherwise heat pump assembly
Water tank temperature is detected again in holding state or progress step P1, determines heat pump working condition；
Heat pump assembly interval job control step includes under the refrigeration mode：
S7：Return water temperature T6 is measured,
S8：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship,
When return water temperature T6 is more than the return water temperature setting value T5, control heat pump assembly work；
In the step S6, it is less than return water temperature setting value T5 time controls heating pump installation work in return water temperature T6.
Further, in the step S6, when return water temperature T6 is more than at least 5 DEG C of the return water temperature setting value T5, carry out
Step P1, water tank temperature is detected again, determine that heat pump is operated in heating aqueous mode, refrigeration mode, at least one of heating mode；
In the step S8, when return water temperature T6 is less than at least 5 DEG C of the return water temperature setting value T5, step P1 is carried out.
A kind of heat pump control device based on temperature curve, including：Heat pump assembly, heat pump control device；
The heat pump assembly, including：Condenser 13, evaporator 16, compressor 11；
The condenser 13, evaporator 16, compressor 11 connect to form loop by refrigerant tubing, and the condenser
Connection water tank 5 outside 13；The evaporator 16 is arranged in outdoor unit 7, and the condenser 13 and compressor 11, water tank 5 are arranged at
In indoor set 6；
The heat pump control device, including：Indoor temperature transmitter, outdoor temperature sensor, water tank temperature sensor, return
Water temperature sensor 25, central controller unit；The indoor temperature transmitter is arranged on indoor set 6, the outdoor temperature
Sensor is arranged on outdoor unit 7, and the return water temperature sensor 25 is arranged at the connecting pipe between water tank 5 and condenser 13
On, the water tank temperature tactility apparatus is arranged in water tank 5；The indoor temperature tactility apparatus, outdoor temperature sensor, water tank temperature
Sensor, return water temperature sensor 25 are connected to central controller unit.
Condenser 13 connects water tank 5 by circulating pump 24.
Such as Fig. 1, shown in 2,3, heretofore described heat pump assembly, including：Heat pump unit 1, fresh air unit 2 and control are single
Member.Heat pump unit 1 includes compressor 11, four-way valve 12, condenser 13, expansion valve 15 and the evaporator 16 connected with pipeline.Newly
Wind unit 2 includes being used for first heat exchanger 21, the second heat exchange of indoor discharge waste gas and the heat exchange of outdoor introducing fresh air
The heat exchanger 23 of device 22 and the 3rd.The 4th heat exchanger 14 is provided between condenser 13 and expansion valve 15, condenser 13 flows
The cryogenic fluid gone out is divided into two branch roads, enters expansion valve 15 through the 4th heat exchanger 14 all the way, another way is through magnetic valve 17, swollen
Swollen valve 18 enters the 4th heat exchanger 14, subsequently into the 3rd heat exchanger of fresh air unit, absorbs the waste heat in discharge waste gas
The steam inlet 19 of compressor 11 is back to afterwards.The heat that condenser 13 discharges enters all the way via two-way is divided into after current divider 3
Enter second heat exchanger 22 and the fresh air of outdoor introducing exchanges heat, another way is as heating output end 4.Evaporator 16 is provided with wind
Fan 10, second heat exchanger and the 3rd heat exchanger are equipped with fan, and compressor 11 uses turbocompressor.
In a heating mode, high pressure-temperature liquid refrigerant after being compressed by compressor 11 is via turning into height after condenser 13
Normal pressure and temperature liquid.Then it is divided into two parts：A part enters evaporator 16 after the 4th heat exchanger 14 and expansion valve 15, absorbs
Heat in outdoor air returns enters compressor 11 through four-way valve 12.Another way enters the 4th through magnetic valve 17, expansion valve 18
Heat exchanger 14 further cools down refrigerant, after the waste heat in waste gas is absorbed subsequently into the 3rd heat exchanger 23 in fresh air unit
The steam inlet 19 for being back to compressor enters compression circulation.Via the heat that condenser 13 discharges via after current divider 3 points
For two-way, the refrigerant after heating all the way heats the input fresh air of new blower fan via heat exchanger second heat exchanger 22,
Another way is then exported as heating output end 4 via current divider 3.Heating output end 4 can be connected with a current divider 25, for
Hot water 5, floor heating device and/or radiator connection.
In cooling mode, the refrigerant that compressor 11 exports enters evaporator 16 (now as cold via four-way valve 12
Condenser use) and outdoor release heat, it (is now evaporation then to return to condenser 13 via the heat exchanger 14 of expansion valve 15 and the 4th
Device) absorb heat after be back to compressor 11.In refrigeration mode, magnetic valve 17 is to close, so tonifying Qi increases break function and shielded
Cover.The fresh air of refrigerant cooling input realizes air conditioning function, while heats output end 4 and close.When hot water heating starts, heat pump enters
Enter heating mode, magnetic valve 17 is closed.Flow divider 3 closes the refrigerating circuit of new blower fan, and opens heat hot water water tank.Defrosting
Pattern, is shown in Fig. 2, and the refrigerant that compressor 11 exports enters evaporator 16 (being now condenser use) and outdoor via four-way valve 12
Heat is discharged, after then returning to condenser 13 (being now evaporator) absorption heat via the heat exchanger 14 of expansion valve 15 and the 4th
It is back to compressor 11.In defrosting mode, magnetic valve 17 is to close, so tonifying Qi increases break function and shielded.Current divider 3 simultaneously
Heating output end is placed in, the heat for absorbing hot water eliminates the frost of evaporator 16, and cooling system loop is closed.
Further, as shown in fig. 6, setting switching value isolation and amplifier unit outside the central controller unit and connecting relay
Device, for controlling the working condition of compressor 11.
Further, pressure inverting unit is set outside the central controller unit and connects pressure acquisition unit, for adopting
Collect the working condition of compressor 11.
As a preference of the present invention, setting keyboard outside the central controller unit, keyboard is connected by keyboard scan unit
Central controller unit is connected to, for setting water tank 5；
Liquid crystal display is set outside the central controller unit, for showing working condition, the interior of compressor 11
Outdoor temperature, water tank temperature, return water temperature.
Wherein indoor temperature transmitter, outdoor temperature sensor, water tank temperature sensor, return water temperature sensor use
PT100 temperature sensors, and central processor unit is connected to by can buses, respectively measured for timing acquiring source pump
The temperature value of point；The external 4-20mA or 0-5V standard signals provided by pressure transmitter of multichannel pressure acquisition unit, for fixed
When collection, the high-pressure value and low pressure value of compressor；The switching value of the external source pump of switching value isolation input unit
Signal, for the on-off model of each critical component running status of source pump of collection reflection in real time；Switching value isolation and amplifier list
Member controls the electric components such as compressor, magnetic valve, blower fan, water pump by relay；Key input unit (including keyboard and key
Disk scanning element) and man-machine interface of the liquid crystal display as controller；Power subsystem by 220V alternating current after filtering
Afterwards, it is the other unit power supplies of controller after by transformer pressure-reducing and rectification, filtering and voltage stabilizing processing.
As shown in fig. 7, present invention also offers a kind of control system for heat pump, according to the control point of source pump controller with
And the temperature and pressure value detected is needed, and be combined with the strategy of temperature curve control and develop brand-new automatic control mode,
When system is opened, occur the selective various functions of main interface first.Various functions are roughly divided into parameter setting (such as system
Setting, system time setting, password setting etc.) and two major classes of parameter query (such as operational situation).Have again inside each major class
Corresponding more careful function setting or parameter setting.Password will be inputted by entering each level one choice in main interface, only
There is password correctly can be just configured into next stage menu.There is a single password setting choosing in main interface simultaneously
, for setting code or change password.Into set interface after, the respective option is selected by upper lower key, it is determined that after just
The parameter of various pieces when can carry out parameter setting or check system work.
For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also do
Go out several modifications and improvements, these belong to protection scope of the present invention.
Claims (10)
1. a kind of heat pump control method based on temperature curve, it is characterised in that comprise the following steps：
P1：Water tank temperature and heat pump mode of operation rate-determining steps；
P2：The step of return water temperature is set according to outdoor temperature；
P3：According to setting return water temperature value and the magnitude relationship of measurement return water temperature value, the step of control heat pump assembly interval work
Suddenly.
A kind of 2. heat pump control method based on temperature curve according to claim 1, it is characterised in that the step P1
Water tank temperature and heat pump mode of operation rate-determining steps comprise the following steps：
S1：Set water tank temperature value T1；
S2：The water tank temperature setting value T1 magnitude relationships in current water tank temperature value T2 and step S1 are measured, in current water tank temperature
When angle value T2 is less than water tank temperature setting value T1, step S3 is carried out, otherwise carries out step S4；
S3：Heat pump assembly work is controlled, into heating aqueous mode；
S4：Indoor temperature monitors, and selects heat pump assembly into one kind of heating mode or refrigeration mode according to indoor temperature T3.
A kind of 3. heat pump control method based on temperature curve according to claim 2, it is characterised in that the step S4
It is by constantly detecting indoor temperature T3, when temperature T3 is more than 26 DEG C indoors, control heat pump assembly enters refrigeration mode；In room
When interior temperature T3 is less than 18 DEG C, control heat pump assembly enters heating mode.
A kind of 4. heat pump control method based on temperature curve according to claim 2, it is characterised in that the step P2
Middle the step of controlling return water temperature according to outdoor temperature is：Outdoor temperature T4 is detected, according to outdoor temperature T4 and return water temperature
Temperature curve relation, return water temperature is set as T5.
A kind of 5. heat pump control method based on temperature curve according to claim 4, it is characterised in that the outdoor temp
Degree T4 and the temperature curve relation of return water temperature are：
When outdoor temperature is less than 0 DEG C, return water temperature T5=k1*T4+25, wherein k1 spans are -0.5~-0.8；
It is more than 20 DEG C, return water temperature T5=k2*T4+40 in outdoor temperature, wherein k2 spans are -0.5~-0.8；
In outdoor temperature when between 0~20 DEG C, return water temperature T5 is constant to be arranged to 25 DEG C.
A kind of 6. heat pump control method based on temperature curve according to claim 4, it is characterised in that the step P3
It is middle according to setting return water temperature value and to measure the magnitude relationship of return water temperature value, include the step of the work of control heat pump assembly interval
Heat pump assembly interval job control step under heat pump assembly interval job control step and refrigeration mode under heating mode；
Heat pump assembly interval job control step includes under the heating mode：
S5：Return water temperature T6 is measured,
S6：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship,
When return water temperature T6 is less than the return water temperature setting value T5, control heat pump assembly work；
Heat pump assembly interval job control step includes under the refrigeration mode：
S7：Return water temperature T6 is measured,
S8：Judge return water temperature T6 and the return water temperature setting value T5 magnitude relationship,
When return water temperature T6 is more than the return water temperature setting value T5, control heat pump assembly work.
A kind of 7. heat pump control method based on temperature curve according to claim 6, it is characterised in that
In the step S6, when return water temperature T6 is more than at least 5 DEG C of the return water temperature setting value T5, step P1 is carried out；
In the step S8, when return water temperature T6 is less than at least 5 DEG C of the return water temperature setting value T5, step P1 is carried out.
8. a kind of heat pump and control device based on temperature curve, it is characterised in that including：Heat pump assembly, heat pump control device；
The heat pump assembly, including：Condenser (13), evaporator (16), compressor (11)；The condenser (13), evaporator
(16), compressor (11) connects to form loop by refrigerant tubing, and the condenser (13) connects water tank (5) outside；It is described
Evaporator (16) is arranged in outdoor unit (7), and the condenser (13) and compressor (11), water tank (5) are arranged at indoor set (6)
It is interior；
The heat pump control device, including：Indoor temperature transmitter, outdoor temperature sensor, water tank temperature sensor, backwater temperature
Spend sensor (25), central controller unit；The indoor temperature transmitter is arranged on indoor set (6), the outdoor temperature
Sensor is arranged on outdoor unit (7), and the return water temperature sensor (25) is arranged between water tank (5) and condenser (13)
On connecting pipe, the water tank temperature tactility apparatus is arranged in water tank (5)；The indoor temperature tactility apparatus, outdoor temperature sensing
Device, water tank temperature sensor, return water temperature sensor (25) are connected to central controller unit；
Switching value isolation and amplifier unit is set outside the central controller unit and connects relay, for controlling compressor (11)
Working condition.
9. a kind of heat pump and control device based on temperature curve according to claim 8, it is characterised in that the center
Pressure inverting unit is set outside controller unit and connects pressure acquisition unit, the working condition for collect and process machine (11).
10. according to a kind of heat pump and control device based on temperature curve according to claim 8, it is characterised in that
Keyboard is set outside the central controller unit, keyboard is connected to central controller unit by keyboard scan unit, uses
In setting water tank (5)；
Liquid crystal display is set outside the central controller unit, for the working condition for showing compressor (11), indoor room
Outer temperature, water tank temperature, return water temperature.
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| CN201711267087.9A CN107816782A (en) | 2017-12-05 | 2017-12-05 | A kind of heat pump and control device and control method based on temperature curve |
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| CN201711267087.9A CN107816782A (en) | 2017-12-05 | 2017-12-05 | A kind of heat pump and control device and control method based on temperature curve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669969A (en) * | 2021-08-27 | 2021-11-19 | 广东美格动力新能源有限公司 | Heat pump unit supply and return water temperature control system and method |
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| CN113669969A (en) * | 2021-08-27 | 2021-11-19 | 广东美格动力新能源有限公司 | Heat pump unit supply and return water temperature control system and method |
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