CN206609075U - A kind of heat pump spray enthalpy system and air conditioner - Google Patents
A kind of heat pump spray enthalpy system and air conditioner Download PDFInfo
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- CN206609075U CN206609075U CN201720310070.6U CN201720310070U CN206609075U CN 206609075 U CN206609075 U CN 206609075U CN 201720310070 U CN201720310070 U CN 201720310070U CN 206609075 U CN206609075 U CN 206609075U
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Abstract
The utility model provides a kind of heat pump and sprays enthalpy system and air conditioner, and the heat pump spray enthalpy system includes：Compressor, four-way valve, condenser, flash vessel, evaporator, first throttle device, spray enthalpy magnetic valve and controller；The controller is after air conditioner is started shooting and enters heating mode, obtain the compressor operating frequency in preset time period, and according to the comparative result of the compressor operating frequency in the preset time period and default compressor maximum frequency of operation, opening or closing for enthalpy magnetic valve is sprayed in control.In this way, the utility model can judge currently whether need to spray enthalpy in time in the case where heating any time according to compressor operating frequency, to improve heating capacity in time, the ability and efficiency of complete machine are improved.
Description
Technical field
The utility model is related to technical field of air conditioner, more particularly to a kind of heat pump spray enthalpy system and air conditioner.
Background technology
Current air-conditioner set is increased to obtain preferable heating effect at low temperatures by the method for Gas-supplying enthalpy-increasing
The output of heating amount.But at present, many spray enthalpy control methods are all by outdoor environment temperature sensors sense environmental temperature
Degree, to judge whether to be in low-temperature condition, if in low-temperature heating environment, control carries out spray enthalpy.
And the shortcoming of above-mentioned spray enthalpy control method be can not need heating capacity than it is larger when, in time carry out spray enthalpy,
This causes spray enthalpy effect to have a greatly reduced quality.If it is bad to spray enthalpy temperature control, it is also possible to compressor inverse can be caused to spray, and then drops
Low spray enthalpy effect.
Utility model content
For the defect of prior art, the utility model provides a kind of heat pump and sprays enthalpy system and air conditioner, can solve the problem that
Heat pump of the prior art spray enthalpy system can not need heating capacity than it is larger when, the problem of carrying out spray enthalpy in time.
In a first aspect, the utility model, which provides a kind of heat pump, sprays enthalpy system, the heat pump spray enthalpy system includes：Compression
Machine, four-way valve, condenser, flash vessel, evaporator, first throttle device, spray enthalpy magnetic valve and controller；
The exhaust outlet of the compressor is connected with the first interface of the four-way valve, the air entry of the compressor with it is described
The second interface connection of four-way valve, the first end of the evaporator is connected with the 3rd interface of the four-way valve, the condenser
First end be connected with the 4th interface of the four-way valve；The first end of the flash vessel and the second end of the evaporator connect
Connect, the second end of the flash vessel is connected with the second end of the condenser, the 3rd end and the compressor of the flash vessel
Spray enthalpy mouthful connection；The first throttle device is arranged on the connecting line between the condenser and the flash vessel, institute
Spray enthalpy magnetic valve is stated to be arranged on the connecting line of the flash vessel and the compressor；The controller, with the compressor
And the spray enthalpy magnetic valve is connected respectively；
Wherein, the controller receives the running frequency of the compressor, according to the compressor operating in preset time period
The comparative result generation control instruction of frequency and default compressor maximum frequency of operation, and the control instruction is sent to spray
Enthalpy magnetic valve；The spray enthalpy magnetic valve is opened or closed according to the control instruction of reception.
Alternatively, the heat pump spray enthalpy system also includes：External environment temperature sensor for detecting outdoor environment temperature；
The controller, is connected with the external environment temperature sensor；
The controller receives the outdoor environment temperature of the external environment temperature sensor detection, determines the outdoor environment
The corresponding default compressor maximum frequency of operation of temperature.
Alternatively, the controller includes：First processor and second processor；
The first processor is connected with the compressor, and the first processor is connected with the second processor,
The second processor is connected with the spray enthalpy magnetic valve；
Wherein, the first processor is obtained when air conditioner enters heating mode and runs up to the first preset time period
The outdoor environment temperature that the external environment temperature sensor detection is obtained, and obtain the first operation frequency of presently described compressor
Rate；The corresponding default compressor maximum frequency of operation of the outdoor environment temperature is determined, and when interval second is preset
Between section when obtain the second running frequency of the compressor；
The second processor receives first running frequency, second running frequency and the default compressor
Maximum frequency of operation, by first running frequency, second running frequency and the default compressor maximum operation frequency
Rate is compared；It is equal to the default compressor maximum frequency of operation and the first operation frequency in first running frequency
Rate generates the first control instruction when being equal to second running frequency, and first control instruction is sent to the spray enthalpy electricity
Magnet valve；It is equal to the default compressor maximum frequency of operation in first running frequency and second running frequency is less than
The second control instruction is generated during the default compressor maximum frequency of operation, and second control instruction is sent to described
Spray enthalpy magnetic valve；
The spray enthalpy magnetic valve is opened according to the first control instruction of reception, or is closed according to the second control instruction of reception
Close.
Alternatively, the heat pump spray enthalpy system also includes：Second throttling device, spray enthalpy temperature sensor and flash temperature are passed
Sensor；
The second throttling device is arranged on the connecting line between the flash vessel and the evaporator, the spray enthalpy
Temperature sensor is arranged at the spray enthalpy mouthful place of the compressor, the flash temperature sensor be arranged at the spray enthalpy magnetic valve and
On connecting line between the flash vessel；The controller and the second throttling device, the spray enthalpy temperature sensor and
The flash temperature sensor is connected respectively；
Wherein, the controller receives the first temperature and flash temperature sensing of the spray enthalpy temperature sensor detection
The second temperature of device detection, generates regulated quantity according to the difference of first temperature and the second temperature and sends to described the
Two throttling arrangements；The second throttling device adjusts aperture according to the regulated quantity, so that spray enthalpy pressure is more than the compressor
Pressure after one stage of compression.
Alternatively, the first throttle device and the second throttling device are electric expansion valve.
Alternatively, the heat pump spray enthalpy system also includes：First filter, the second filter, the 3rd filter and the 4th
Filter；
First filter is arranged on the connecting line between the first throttle device and the condenser, described
Second filter is arranged on the connecting line between the first throttle device and the flash vessel；
3rd filter is arranged on the connecting line between the second throttling device and the flash vessel, described
4th filter is arranged on the connecting line between the second throttling device and the evaporator.
Alternatively, the heat pump spray enthalpy system also includes：Gas-liquid separator；
The first end of the gas-liquid separator is connected with the air entry of the compressor, the second end of the gas-liquid separator
It is connected with the second interface of the four-way valve.
Second aspect, the utility model provides a kind of air conditioner, including any one above-mentioned heat pump spray enthalpy system.
As shown from the above technical solution, the utility model provides a kind of heat pump spray enthalpy system and air conditioner, is opened in air conditioner
After machine and entrance heating mode, return air temperature is detected by return air temperature sensor；Controller is determined according to the return air temperature
The climbing speed of return air temperature, and according to the return air temperature and the climbing speed of the return air temperature, judge be badly in need of heat
In the case of air conditioner provide heat speed it is whether enough so that open it is described spray enthalpy magnetic valve with Gas-supplying enthalpy-increasing or closing
The spray enthalpy magnetic valve, in this way, the utility model can judge currently whether need to spray enthalpy in time in the case where heating any time, with
Heating capacity is improved in time, improves the ability and efficiency of complete machine.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these figures.
Fig. 1 is the structural representation that a kind of heat pump that the embodiment of the utility model one is provided sprays enthalpy system；
Description of reference numerals in Fig. 1：1- compressors, 2- four-way valves, 3- condensers, the outer blower fans of 4-, the filters of 5- first, 6-
First throttle device, the filters of 7- second, 8- flash vessels, the filters of 9- the 3rd, 10- second throttling devices, 11- the 4th is filtered
Device, 12- inner blowers, 13- evaporators, 14- gas-liquid separators, 15- external environment temperature sensors, 16- flash temperature sensors,
17- sprays enthalpy magnetic valve, 18- spray enthalpy temperature sensors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 is the structural representation that a kind of heat pump in the embodiment of the utility model one sprays enthalpy system, as shown in figure 1, institute
Stating heat pump spray enthalpy system includes：Compressor 1, four-way valve 2, condenser 3, flash vessel 8, evaporator 13, first throttle device 6, spray
Enthalpy magnetic valve 17 and controller (not shown).Wherein, compressor 1 has air entry, exhaust outlet and spray enthalpy mouthful；Four-way valve 2
With first interface, second interface, the 3rd interface and the 4th interface.
As shown in figure 1, the exhaust outlet of the compressor 1 is connected with the first interface of the four-way valve 2, the compressor 1
Air entry be connected with the second interface of the four-way valve 2, the first end of the evaporator 13 connects with the 3rd of the four-way valve 2
Mouth connection, the first end of the condenser 3 is connected with the 4th interface of the four-way valve 2；The first end of the flash vessel 8 and institute
The second end connection of evaporator 13 is stated, the second end of the flash vessel 8 is connected with the second end of the condenser 3, the flash distillation
3rd end of device 8 is connected with the spray enthalpy mouthful of the compressor 1；The first throttle device 6 be arranged at the condenser 3 with it is described
On connecting line between flash vessel 8, the spray enthalpy magnetic valve 17 is arranged at the connection of the flash vessel 8 and the compressor 1
On pipeline.
The controller, is connected respectively with the compressor 1 and the spray enthalpy magnetic valve 17, in air conditioner start and
Into after heating mode, the compressor operating frequency in preset time period is obtained, and according to the compression in the preset time period
Opening or closing for enthalpy magnetic valve is sprayed in the comparative result of machine running frequency and default compressor maximum frequency of operation, control.
In the present embodiment, compressor 1 realizes the compression of refrigerant and provides the power of flowing, and four-way valve 2 is used as cooling and warming
The part of switching direction, condenser 3 and evaporator 13 are used for the heat exchange of refrigerant, and outer blower fan 4 and inner blower 12 are used to carry to air
For power source, flash vessel 8 provides flash-off steam for spray enthalpy, and spray enthalpy magnetic valve 17 realizes the break-make of refrigerant passage.
Specifically, when heating, the discharge high temperature and high pressure gas refrigerant of compressor 1 flows through four-way valve 2, into evaporator 13,
By the rotation of inner blower 12, cooling medium air is driven to be exchanged heat with the high temperature and high pressure gas refrigerant in pipe, refrigerant is cold
But it is the refrigerant of middle temperature high pressure, enters in flash vessel 8, primary flow path is through first throttle device 6 all the way, and this throttling arrangement is used for controlling
The ability of unit processed, is entered back into condenser 3, and outer blower fan 4 drives the gas-liquid two of the hot-air and low-temp low-pressure in pipe of outdoor
Phase refrigerant is exchanged heat, and after refrigerant heat absorption evaporation, is flowed through four-way valve 2, is returned compressor 1 and circulated；Enter flash vessel 8
A subsidiary loop in refrigerant, flow through spray enthalpy magnetic valve 17, enter the spray enthalpy mouthful of compressor 1, realize that increasing enthalpy is compressed.
Further, the controller obtains the compressor operating frequency in preset time period, and and according to described default
The comparative result of compressor operating frequency and default compressor maximum frequency of operation in period, judges heating for air conditioner
Whether ability enough, if preset time period inner compressor run all the time with maximum frequency of operation then show air-conditioning heat energy
Power is not enough, shows air conditioner heat-production ability if declining in preset time period inner compressor running frequency enough, further,
The spray enthalpy magnetic valve 17 is opened if not enough with Gas-supplying enthalpy-increasing, or closes if enough the spray enthalpy magnetic valve 17.
Understandably, if air conditioner is not at heating mode, i.e. air conditioner and is under other patterns, control spray enthalpy magnetic valve
17 close.
As can be seen here, the present embodiment obtains the compression in preset time period after air conditioner is started shooting and enters heating mode
Machine running frequency；According to the ratio of the compressor operating frequency in the preset time period and default compressor maximum frequency of operation
Relatively result, judges whether the heating capacity of air conditioner is enough, if in preset time period inner compressor all the time with maximum operation frequency
Rate operation then shows that the heating capacity of air-conditioning is not enough, so as to further open the spray enthalpy magnetic valve with Gas-supplying enthalpy-increasing or closing
The spray enthalpy magnetic valve, in this way, the present embodiment can in time judge to work as in the case where heating any time according to compressor operating frequency
It is preceding whether to need to spray enthalpy, to improve heating capacity in time, improve the ability and efficiency of complete machine.
Further, in an alternative embodiment of the present utility model, as shown in figure 1, heat pump spray enthalpy system is also
Including：External environment temperature sensor 15 for detecting outdoor environment temperature.
Correspondingly, the controller, is connected with the external environment temperature sensor 15, for receiving the external environment temperature
The outdoor environment temperature of sensor detection, inquiry obtains the corresponding default compressor maximum fortune of the outdoor environment temperature
Line frequency.
Specifically, the controller, specifically for：
When air conditioner enters heating mode and runs up to the first preset time period, the external environment temperature sensor is obtained
Obtained outdoor environment temperature is detected, and obtains the first running frequency of presently described compressor；
Inquiry obtains the corresponding default compressor maximum frequency of operation of the outdoor environment temperature, and in interval the
The second running frequency of the compressor is obtained during two preset time periods；
If first running frequency is equal to the default compressor maximum frequency of operation and first running frequency
Equal to second running frequency, then the spray enthalpy magnetic valve is opened；
If first running frequency is equal to the default compressor maximum frequency of operation and second running frequency
Less than the default compressor maximum frequency of operation, then the spray enthalpy magnetic valve is closed.
Specifically, after air conditioner start, into heating mode and up to after preset time period t1, controller passes through external environment
The detection of temperature sensor 15 obtains outdoor environment temperature TExternal environment temperature, and record the running frequency F1 of now compressor；Pass through inquiry
TExternal environment temperatureUnder corresponding default compressor maximum frequency of operation F0；Continue to run with after interval time t2, detect now compressor
Running frequency F2；Compare F0, F1, F2 size, typically within a bit of time of starting shooting, compressor operating frequency and the environment
At a temperature of default maximum frequency of operation F0 it is equal, i.e. F0=F1；If F0=F1=F2, illustrate that the heating capacity of system is not enough,
The long-term high frequency operation of compressor is needed to heat, such a situation needs to improve heat, it is necessary to improve heating capacity by spraying enthalpy, then now
Control spray enthalpy magnetic valve 17 is opened；If F2<F0=F1, illustrates when heating, and the speed ratio that air conditioner provides heat is very fast, indoor
Temperature rises substantially, and without improving heating capacity by spraying enthalpy, then now control spray enthalpy magnetic valve 17 is closed.
As can be seen here, in the present embodiment, controller by detecting whether the frequency of certain time inner compressor declines, if
Run always with high frequency, illustrate that heating capacity is not enough, so judge whether the speed of now system offer heat is enough, if not
Enough, it is necessary to open spray enthalpy magnetic valve 17 and carry out Gas-supplying enthalpy-increasing.
Further, in an alternative embodiment of the present utility model, as shown in figure 1, heat pump spray enthalpy system is also
Including：Second throttling device 10, spray enthalpy temperature sensor 18 and flash temperature sensor 16.
Wherein, the second throttling device 10 is arranged at the connecting line between the flash vessel 8 and the evaporator 13
On, the pressure for controlling spray enthalpy；The spray enthalpy temperature sensor 18 is arranged at the spray enthalpy mouthful of the compressor 1, for examining
Survey the temperature of refrigerant after one stage of compression；The flash temperature sensor 16 is arranged at the spray enthalpy magnetic valve 17 and the flash vessel
On connecting line between 8, the temperature for detecting the gaseous coolant outlet of flash vessel 8.
Further, the controller and the second throttling device 10, the spray enthalpy temperature sensor 18 and the sudden strain of a muscle
Steam temperature sensor 16 to connect respectively, for the first temperature and the flash distillation temperature according to the detection of spray enthalpy temperature sensor 18
Spend the aperture that the second temperature that sensor 16 detects adjusts the second throttling device 10 so that first temperature and described the
The difference of two temperature is equal to predetermined threshold value, so that spray enthalpy pressure is more than the pressure after the compressor one stage of compression.
Specifically, the controller, specifically for：
Adjust the aperture of the second throttling device so that the spray enthalpy degree of superheat meets △ T==K × △ F；Wherein, △ T are
The difference of first temperature and the second temperature, and △ T >=0, the △ F are the corresponding compression of current outdoor environment temperature
The difference of machine maximum frequency of operation and the minimum running frequency of compressor, K is tonifying Qi coefficient.
As can be seen here, in the present embodiment, during Gas-supplying enthalpy-increasing, by the aperture control for adjusting second throttling device 10
The system spray enthalpy degree of superheat so that spray enthalpy pressure is more than the pressure after one stage of compression, so as to avoid the inverse spray of compressor 1, and then is realized
The ability and efficiency of complete machine are improved, good comfort is provided the user.
Wherein, the first throttle device 6 and the second throttling device 10 can be electric expansion valve.
Further, in an alternative embodiment of the present utility model, as shown in figure 1, heat pump spray enthalpy system is also
Including：First filter 5, the second filter 7, the 3rd filter 9 and the 4th filter 11.
Wherein, first filter 5 is arranged at the connecting tube between the first throttle device 6 and the condenser 3
Lu Shang, second filter 7 is arranged on the connecting line between the first throttle device 6 and the flash vessel 8；It is described
3rd filter 9 is arranged on the connecting line between the second throttling device 10 and the flash vessel 8, the 4th filtering
Device 11 is arranged on the connecting line between the second throttling device 10 and the evaporator 13.
In the present embodiment, the first filter 5, the second filter 7, the 3rd filter 9 and the 4th filter 11 fill for throttling
Put the impurity carried secretly in filtering refrigerant.
Further, in an alternative embodiment of the present utility model, as shown in figure 1, heat pump spray enthalpy system is also
Including：Gas-liquid separator 14.
Wherein, the first end of the gas-liquid separator 14 is connected with the air entry of the compressor 1, the gas-liquid separator
14 the second end is connected with the second interface of the four-way valve 2.
In the present embodiment, gas-liquid separator 14 is used for the separation for realizing liquid and gaseous coolant.
The embodiment of the utility model one provides the heat pump spray enthalpy system in a kind of air conditioner, including any of the above-described embodiment
System.Enthalpy system is sprayed because the air conditioner includes any one above-mentioned heat pump, thus same technical problem can be solved, and is obtained
Identical technique effect.
The embodiment of the utility model one provides the spray enthalpy control based on the heat pump spray enthalpy system in any of the above-described embodiment
The schematic flow sheet of method, methods described comprises the following steps：
S1：After air conditioner is started shooting and enters heating mode, the compressor operating frequency in preset time period is obtained.
S2：According to the ratio of the compressor operating frequency in the preset time period and default compressor maximum frequency of operation
Opening or closing for enthalpy magnetic valve is sprayed in relatively result, control.
Specifically, the system of air conditioner is shown if being run all the time with maximum frequency of operation in preset time period inner compressor
Hot scarce capacity, so as to open the spray enthalpy magnetic valve with Gas-supplying enthalpy-increasing；If under preset time period inner compressor running frequency
Drop, then show that air conditioner improves the speed of heat comparatively fast, its heating capacity provided is enough, without improving heating capacity by spraying enthalpy,
Then close the spray enthalpy magnetic valve.
In the present embodiment, after air conditioner is started shooting and enters heating mode, the compressor operating in preset time period is obtained
Frequency；According to the comparison knot of the compressor operating frequency in the preset time period and default compressor maximum frequency of operation
Really, judge whether the heating capacity of air conditioner is enough, if being transported all the time with maximum frequency of operation in preset time period inner compressor
Heating capacity that is capable then showing air-conditioning is not enough, so as to further open the spray enthalpy magnetic valve with Gas-supplying enthalpy-increasing or close described
Spray enthalpy magnetic valve, in this way, the present embodiment can in time be judged according to compressor operating frequency in the case where heating any time be currently
It is no to need to spray enthalpy, to improve heating capacity in time, improve the ability and efficiency of complete machine.
Specifically, in an alternative embodiment of the present utility model, above-mentioned steps S2 is specifically included：
S21：When air conditioner enters heating mode and runs up to the first preset time period, external environment temperature sensor is obtained
Obtained outdoor environment temperature is detected, and obtains the first running frequency F1 of current compressor；
S22：Inquiry obtains the corresponding default compressor maximum frequency of operation F0 of the outdoor environment temperature；
S23：The second running frequency F2 of the compressor is obtained when continuing to run with the second preset time period of interval；
S24：Compare F0, F1, F2 size；
S25：If F0=F1=F2, the spray enthalpy magnetic valve is opened；
S26：If F2<F0=F1, then close the spray enthalpy magnetic valve.
Specifically, after air conditioner start, into heating mode and up to after preset time period t1, passed by external environment temperature
The detection of sensor 15 obtains outdoor environment temperature TExternal environment temperature, and record the running frequency F1 of now compressor；By inquiring about TExternal environment temperature
Under corresponding default compressor maximum frequency of operation F0；Continue to run with after interval time t2, detect the operation of now compressor
Frequency F2；Compare F0, F1, F2 size, typically within a bit of time of starting shooting, under compressor operating frequency and the environment temperature
Default maximum frequency of operation F0 it is equal, i.e. F0=F1；If F0=F1=F2, illustrate the heating capacity deficiency of system, it is necessary to press
The operation of contracting captain's phase high frequency is heated, and such a situation needs to improve heat, it is necessary to improve heating capacity by spraying enthalpy, then now control is sprayed
Enthalpy magnetic valve 17 is opened；If F2<F0=F1, illustrates when heating, and the speed ratio that air conditioner provides heat is very fast, in indoor temperature
Rise obvious, without improving heating capacity by spraying enthalpy, then now control spray enthalpy magnetic valve 17 is closed.
As can be seen here, the present embodiment is by detecting whether the frequency of certain time inner compressor declines, if always with height
Frequently run, illustrate that heating capacity is not enough, so judge whether the speed of now system offer heat is enough, if be insufficient to, just
Need to open spray enthalpy magnetic valve progress Gas-supplying enthalpy-increasing.
Further, after above-mentioned steps S25, methods described also comprises the following steps：
S27：The second temperature that the first temperature and flash temperature sensor detected according to spray enthalpy temperature sensor is detected is adjusted
The aperture of second throttling device is saved so that the difference of first temperature and the second temperature is equal to predetermined threshold value, so that spray
Enthalpy pressure is more than the pressure after the compressor one stage of compression.
Understandably, after this step S27, then through after a period of time, return to step S22 is to be circulated.
Specifically, the step S27, is specifically included：
Adjust the aperture of the second throttling device so that the spray enthalpy degree of superheat meets △ T==K × △ F；
Wherein, △ T are the difference of first temperature and the second temperature, and △ T >=0, and the △ F are current outdoor
The difference of the corresponding compressor maximum frequency of operation of environment temperature and the minimum running frequency of compressor, K is tonifying Qi coefficient.K is logical
Cross the set-point of experiment.
As can be seen here, in the present embodiment, during Gas-supplying enthalpy-increasing, controlled by the aperture for adjusting second throttling device
Spray the enthalpy degree of superheat so that spray enthalpy pressure is more than the pressure after one stage of compression, so as to avoid the inverse spray of compressor, and then realize and carry
The ability and efficiency of high complete machine, provide the user good comfort.
, it is necessary to explanation in description of the present utility model, the orientation or position relationship of the instruction such as term " on ", " under "
Described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to limitation of the present utility model.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be done
It broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can mechanically connect,
It can also be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals
Connection.For the ordinary skill in the art, it can understand above-mentioned term in the utility model as the case may be
Concrete meaning.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of each embodiment technical scheme of the utility model
Enclose.
Claims (8)
1. a kind of heat pump sprays enthalpy system, it is characterised in that the heat pump spray enthalpy system includes：Compressor, four-way valve, condenser,
Flash vessel, evaporator, first throttle device, spray enthalpy magnetic valve and controller；
The exhaust outlet of the compressor is connected with the first interface of the four-way valve, the air entry of the compressor and the four-way
The second interface connection of valve, the first end of the evaporator is connected with the 3rd interface of the four-way valve, and the of the condenser
One end is connected with the 4th interface of the four-way valve；The first end of the flash vessel is connected with the second end of the evaporator, institute
State the second end of flash vessel to be connected with the second end of the condenser, the 3rd end of the flash vessel and the spray enthalpy of the compressor
Mouth connection；The first throttle device is arranged on the connecting line between the condenser and the flash vessel, the spray enthalpy
Magnetic valve is arranged on the connecting line of the flash vessel and the compressor；The controller, with the compressor and described
Spray enthalpy magnetic valve is connected respectively；
Wherein, the controller receives the running frequency of the compressor, according to the compressor operating frequency in preset time period
And the comparative result generation control instruction of default compressor maximum frequency of operation, and the control instruction is sent to spray enthalpy electricity
Magnet valve；The spray enthalpy magnetic valve is opened or closed according to the control instruction of reception.
2. heat pump according to claim 1 sprays enthalpy system, it is characterised in that the heat pump spray enthalpy system also includes：For
Detect the external environment temperature sensor of outdoor environment temperature；The controller, is connected with the external environment temperature sensor；
The controller receives the outdoor environment temperature of the external environment temperature sensor detection, determines the outdoor environment temperature
The corresponding default compressor maximum frequency of operation.
3. heat pump according to claim 2 sprays enthalpy system, it is characterised in that the controller includes：First processor and
Second processor；
The first processor is connected with the compressor, and the first processor is connected with the second processor, described
Second processor is connected with the spray enthalpy magnetic valve；
Wherein, the first processor obtains described when air conditioner enters heating mode and runs up to the first preset time period
The outdoor environment temperature that the detection of external environment temperature sensor is obtained, and obtain the first running frequency of presently described compressor；Really
Determine the corresponding default compressor maximum frequency of operation of the outdoor environment temperature, and in the second preset time period of interval
Obtain the second running frequency of the compressor；
It is maximum that the second processor receives first running frequency, second running frequency and the default compressor
Running frequency, first running frequency, second running frequency and the default compressor maximum frequency of operation are entered
Row compares；It is equal to the default compressor maximum frequency of operation and described first running frequency etc. in first running frequency
The first control instruction is generated when second running frequency, and first control instruction is sent to the spray enthalpy electromagnetism
Valve；It is equal to the default compressor maximum frequency of operation in first running frequency and second running frequency is less than institute
The second control instruction is generated when stating default compressor maximum frequency of operation, and second control instruction is sent to the spray
Enthalpy magnetic valve；
The spray enthalpy magnetic valve is opened according to the first control instruction of reception, or is closed according to the second control instruction of reception.
4. the heat pump spray enthalpy system according to any one of claim 1-3, it is characterised in that the heat pump spray enthalpy system is also
Including：Second throttling device, spray enthalpy temperature sensor and flash temperature sensor；
The second throttling device is arranged on the connecting line between the flash vessel and the evaporator, the spray enthalpy temperature
Sensor is arranged at the spray enthalpy mouthful place of the compressor, the flash temperature sensor be arranged at it is described spray enthalpy magnetic valve with it is described
On connecting line between flash vessel；The controller and the second throttling device, the spray enthalpy temperature sensor and described
Flash temperature sensor is connected respectively；
Wherein, the controller receives the first temperature and the flash temperature sensor inspection of the spray enthalpy temperature sensor detection
The second temperature of survey, generates regulated quantity according to the difference of first temperature and the second temperature and sends to the second section
Flow device；The second throttling device adjusts aperture according to the regulated quantity, so that spray enthalpy pressure is more than the compressor one-level
Pressure after compression.
5. heat pump according to claim 4 sprays enthalpy system, it is characterised in that the first throttle device and the second section
It is electric expansion valve to flow device.
6. heat pump according to claim 4 sprays enthalpy system, it is characterised in that the heat pump spray enthalpy system also includes：First
Filter, the second filter, the 3rd filter and the 4th filter；
First filter is arranged on the connecting line between the first throttle device and the condenser, and described second
Filter is arranged on the connecting line between the first throttle device and the flash vessel；
3rd filter is arranged on the connecting line between the second throttling device and the flash vessel, and the described 4th
Filter is arranged on the connecting line between the second throttling device and the evaporator.
7. heat pump according to claim 4 sprays enthalpy system, it is characterised in that the heat pump spray enthalpy system also includes：Gas-liquid
Separator；
The first end of the gas-liquid separator is connected with the air entry of the compressor, the second end of the gas-liquid separator and institute
State the second interface connection of four-way valve.
8. a kind of air conditioner, it is characterised in that spray enthalpy system including heat pump according to any one of claims 1 to 7.
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| CN201720310070.6U CN206609075U (en) | 2017-03-27 | 2017-03-27 | A kind of heat pump spray enthalpy system and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156651A (en) * | 2020-01-14 | 2020-05-15 | 珠海格力电器股份有限公司 | Gulp valve control method, compressor, air conditioner, memory and controller |
| CN111623477A (en) * | 2020-06-03 | 2020-09-04 | Tcl空调器(中山)有限公司 | Air conditioner, air conditioner control method and device and readable storage medium |
-
2017
- 2017-03-27 CN CN201720310070.6U patent/CN206609075U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156651A (en) * | 2020-01-14 | 2020-05-15 | 珠海格力电器股份有限公司 | Gulp valve control method, compressor, air conditioner, memory and controller |
| CN111623477A (en) * | 2020-06-03 | 2020-09-04 | Tcl空调器(中山)有限公司 | Air conditioner, air conditioner control method and device and readable storage medium |
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