CN203642552U - Refrigerating and/or heating system - Google Patents

Refrigerating and/or heating system Download PDF

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Publication number
CN203642552U
CN203642552U CN201320771663.4U CN201320771663U CN203642552U CN 203642552 U CN203642552 U CN 203642552U CN 201320771663 U CN201320771663 U CN 201320771663U CN 203642552 U CN203642552 U CN 203642552U
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compressor
expansion valve
control device
suction end
heating
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CN201320771663.4U
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任冬
鲁本·奥乔亚
闫冰
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Copeland Suzhou Co Ltd
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Emerson Climate Technologies Suzhou Co Ltd
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Abstract

There is provided a refrigeration and/or heating system comprising: a compressor configured to compress and discharge a refrigerant, the compressor having a suction passage, a discharge passage, and a compression mechanism; an indoor heat exchanger coupled with one of a suction passage and a discharge passage of the compressor; an outdoor heat exchanger coupled with the other of the suction passage and the discharge passage of the compressor; a first control device; a second control device configured for acquiring at least one operating parameter of the compressor; a first electronic expansion valve disposed between the outdoor heat exchanger and the indoor heat exchanger for controlling an amount of refrigerant introduced into the outdoor heat exchanger or the indoor heat exchanger; wherein the first control device is configured to be capable of wireless communication with the second control device to control the opening degree of the first electronic expansion valve.

Description

Refrigeration and/or heating
Technical field
The utility model relates to refrigeration and/or heating.
Background technology
The content of this part only provides the background information relevant to the utility model, and it may not form prior art.
Compressor can be used in the application of multiple industry and house, so as in refrigerating plant, heat pump, heating ventilator and air-conditioning or cooling machine system (being referred to as " refrigeration and/or heating ") circulating refrigerant, thereby desired heating or cooling effect is provided.
Before cold-producing medium is gasified totally in evaporimeter, its temperature almost remains unchanged, and this temperature is called as evaporating temperature.After cold-producing medium is gasified totally in evaporimeter, its temperature can raise gradually.The temperature that cold-producing medium reaches while arriving evaporator outlet and the difference of evaporating temperature are known as the evaporator outlet degree of superheat.The temperature that cold-producing medium reaches while arriving compressor air suction end and the difference of evaporating temperature are called as the compressor air suction end degree of superheat.Because evaporator outlet to compressor air suction end exists certain distance, the cold-producing medium being gasified totally can further rise in the temperature at compressor air suction end place, thereby the synchronization compressor air suction end degree of superheat is higher than the evaporator outlet degree of superheat.Too low degree of superheat level can cause liquid cold-producing medium to enter compressor, causes compressor damage, and too high degree of superheat level can make the efficiency of system reduce.
Fig. 5 by Figure of description can find out, if adopt identical degree of superheat settings, the degree of superheat of controlling compressor air suction end has higher system effectiveness than the degree of superheat of controlling evaporator outlet.Guaranteeing that cold-producing medium fully gasifies under the prerequisite of (having certain degree of superheat), adopt the mode of controlling the compressor air suction end degree of superheat, can make the temperature of evaporator outlet further reduce, even can make the evaporator outlet degree of superheat is zero.Can make like this utilization rate of cold-producing medium in evaporimeter reach maximum, can also reduce the suction temperature of compressor, thereby system effectiveness is got a promotion simultaneously.
If adopt the mode of compressor air suction end degree of superheat control, indoor electronic expansion valve control device need to obtain by data communication the running parameter data of compressor air suction end.Conventionally, use the mode of wire communication to obtain the running parameter data of compressor air suction end, and wire communication need to be laid communication cable, the cost of therefore realizing this scheme is high, and equipment is installed performance difficulty, and communication line exists impaired risk.
Utility model content
According to an aspect of the present utility model, a kind of refrigeration and/or heating are provided, comprising: compressor, compressing mechanism causes for compression and discharging refrigerant, and compressor has air suction way, exhaust channel and compressing mechanism; Indoor heat converter, the one in air suction way and the exhaust channel of indoor heat converter and compressor connects; Outdoor heat converter, the another one in air suction way and the exhaust channel of outdoor heat converter and compressor connects; First control device; Second control device, second control device is configured for gathering at least one running parameter of compressor; The first electric expansion valve, the first electric expansion valve is arranged between outdoor heat converter and indoor heat converter, for the amount of the cold-producing medium that enters outdoor heat converter or indoor heat converter is controlled; Wherein first control device is constructed to be permeable to carry out the aperture of radio communication with electric expansion valve in control room with second control device.Between outdoor control device and Indoor Control Device, carry out radio communication, this makes indoor and outdoor control device control as a system, effectively improve the usefulness of system, this has also simplified installation procedure and difficulty, reduce enforcement and the maintenance cost of product, also made the impaired risk minimization of communication line.
In certain aspects, Indoor Control Device is configured to come based on the compressor air suction end degree of superheat aperture of electric expansion valve in control room.This has reduced number of sensors, has reduced product cost, and has reduced unnecessary feedback signal, makes control mode simpler.
In certain aspects, in the time freezing and/or heating is freezed, the suction end temperature that at least one running parameter of compressor is compressor, Indoor Control Device is further configured for gathering the temperature of indoor heat converter, and the difference that Indoor Control Device is configured between suction end temperature and the temperature of indoor heat converter based on compressor obtains the compressor air suction end degree of superheat, thereby the aperture of electric expansion valve in control room.The temperature of indoor heat converter is preferably the evaporating temperature of indoor heat converter.
In certain aspects, in the time freezing and/or heating heats, the suction end temperature that at least one running parameter of compressor is compressor, outdoor control device is further configured for gathering the temperature of outdoor heat converter, and the difference between suction end temperature and the temperature of outdoor heat converter of Indoor Control Device based on compressor obtains the compressor air suction end degree of superheat, thereby the aperture of electric expansion valve in control room.The temperature of outdoor heat converter is preferably the evaporating temperature of outdoor heat converter.
In certain aspects, in the time freezing and/or heating is freezed or heats, the suction end temperature that at least one running parameter of compressor is compressor and suction end pressure, Indoor Control Device obtains the compressor air suction end degree of superheat based on suction end temperature and suction end pressure, thus the aperture of electric expansion valve in control room.Preferably, Indoor Control Device is further carried out the aperture of electric expansion valve in control room based on the residing environment temperature of compressor and compressor rotary speed.
In certain aspects, refrigeration and/or heating also comprise outdoor electric expansion valve, and outdoor electric expansion valve is arranged between outdoor heat converter and indoor electronic expansion valve, and outdoor control device is further configured for the aperture of control room exoelectron expansion valve.
In certain aspects, outdoor control device is configured to come based on the compressor air suction end degree of superheat aperture of control room exoelectron expansion valve.
In certain aspects, in the time freezing and/or heating is freezed, outdoor electric expansion valve standard-sized sheet, the suction end temperature that at least one running parameter of compressor is compressor and suction end pressure, Indoor Control Device obtains the compressor air suction end degree of superheat based on suction end temperature and suction end pressure, thus the aperture of electric expansion valve in control room.Preferably, Indoor Control Device is further carried out the aperture of electric expansion valve in control room based on the residing environment temperature of compressor and compressor rotary speed.
In certain aspects, in the time freezing and/or heating heats, indoor electronic expansion valve standard-sized sheet, the suction end temperature that at least one running parameter of compressor is compressor and suction end pressure, outdoor control device obtains the compressor air suction end degree of superheat based on suction end temperature and suction end pressure, thus the aperture of control room exoelectron expansion valve.Preferably, outdoor control device further carrys out the aperture of control room exoelectron expansion valve based on the residing environment temperature of compressor and compressor rotary speed.
In certain aspects, indoor heat converter is at least two indoor heat converters, and each indoor heat converter disposes respectively an indoor electronic expansion valve and an Indoor Control Device, in the time freezing and/or heating is freezed, outdoor electric expansion valve standard-sized sheet, the suction end pressure that at least one running parameter of compressor is compressor, each Indoor Control Device is further configured for the temperature in the exit that gathers each indoor heat converter, the temperature in the exit of Indoor Control Device based on each indoor heat converter and suction end pressure obtain each indoor heat converter degree of superheat, thereby control the aperture of each indoor electronic expansion valve.
In certain aspects, indoor heat converter is at least two indoor heat converters, and each indoor heat converter disposes respectively an indoor electronic expansion valve and an Indoor Control Device, in the time freezing and/or heating heats, the equal standard-sized sheet of each indoor electronic expansion valve, the suction end temperature that at least one running parameter of compressor is compressor and suction end pressure, outdoor control device obtains the compressor air suction end degree of superheat based on suction end temperature and suction end pressure, thus the aperture of control room exoelectron expansion valve.
By explanation provided herein, it is obvious that other application will become.Should be appreciated that, the specific example of describing in this part and embodiment are only for purpose of explanation rather than attempt to limit scope of the present utility model.
Accompanying drawing explanation
Accompanying drawing as described herein is to be only not intended to for purpose of explanation limit by any way scope of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of the refrigeration of the first embodiment of the present utility model and/or heating.
Fig. 2 is according to the schematic diagram of the refrigeration of the second embodiment of the present utility model and/or heating.
Fig. 3 is according to the 3rd refrigeration of embodiment of the present utility model and/or the schematic diagram of heating.
Fig. 4 is according to the 4th refrigeration of embodiment of the present utility model and/or the schematic diagram of heating.
Fig. 5 adopts evaporator superheat and the refrigeration that adopts the compressor air suction end degree of superheat to obtain and/or the curve map of heating efficiency.
The specific embodiment
Following description is only exemplary and be not intended to limit the utility model, application and purposes in essence.Should be appreciated that in all these accompanying drawings identical similar or identical part and the feature of Reference numeral indication.
Describe according to the basic comprising of the refrigeration of the first embodiment of the present utility model and/or heating below with reference to Fig. 1.
As shown in Figure 1, consist essentially of compressor 10, indoor heat converter 20, outdoor heat converter 21, the first electric expansion valve 30, first control device 40 and second control device 41 according to the refrigeration of the first embodiment of the present utility model and/or heating 1, compressor 10 is configured for compression and discharging refrigerant, and has air suction way, exhaust channel and compressing mechanism (not shown).Indoor heat converter 20 for example connects with the one in air suction way and the exhaust channel of compressor 10 via four-way change-over valve 50, and indoor heat converter 20 only illustrates one at this, but it can be also multiple indoor heat converters.Outdoor heat converter 21 for example connects with the another one in air suction way and the exhaust channel of compressor 10 via four-way change-over valve 50.Wherein, in the time freezing and/or heating 1 is freezed, outdoor heat converter 21(is now condenser) connect with the exhaust channel of compressor 10, and indoor heat converter 20(is now evaporimeter) connect with the air suction way of compressor 10, in the time freezing and/or heating 1 heats, outdoor heat converter 21(is now evaporimeter) connect with the air suction way of compressor 10, and indoor heat converter 20(is now condenser) connect with the exhaust channel of compressor 10.In this case Indoor Control Device of first control device 40, but it can be also outdoor control device.Second control device 41 is configured for gathering at least one running parameter of compressor 10, and second control device 41 is outdoor control device in this case, but it can be also Indoor Control Device.The first electric expansion valve 30 is arranged between outdoor heat converter 21 and indoor heat converter 20, for the amount of the cold-producing medium that enters outdoor heat converter 21 or indoor heat converter 20 is controlled, in this case indoor electronic expansion valve of the first electric expansion valve 30, but it can be also outdoor electric expansion valve.First control device 40 is constructed to be permeable to carry out radio communication to control the aperture of the first electric expansion valve 30 with second control device 41.
In addition, refrigeration and/or heating 1 can also comprise the gas-liquid separator 60 at the suction end place that is arranged on compressor 10, for the cold-producing medium of the air suction way of compressor 10 to be entered into is carried out to gas-liquid separation.
In addition, refrigeration and/or heating 1 can also comprise the indoor fan 70 and the outdoor fan 71 that are separately positioned on indoor heat converter 20 and outdoor heat converter 21 places, in refrigeration and/or heating 1 when freezing or heating and room air or outdoor air carry out heat exchange.
In addition, refrigeration and/or heating 1 can also comprise the knockout that is separately positioned on heat exchanger 20 and outdoor heat converter 21 places in heat, assignment system cryogen while being used as evaporimeter for heat exchanger 20 in heat and outdoor heat converter 21.
Preferably, Indoor Control Device 40 is configured to come based on the compressor air suction end degree of superheat SSH aperture of electric expansion valve 30 in control room.
In the time freezing and/or heating 1 is freezed along the refrigerating operation flow direction as shown in Figure 1, at least one running parameter of compressor 10 is the suction end temperature T 3 of compressor 10, Indoor Control Device 40 is further configured for gathering the temperature T 1 of indoor heat converter 20, and the difference T3-T1 that Indoor Control Device 40 is configured between suction end temperature T 3 and the temperature T 1 of indoor heat converter based on compressor 10 obtains compressor air suction end degree of superheat SSH, thereby the aperture of electric expansion valve 30 in control room, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
The temperature T 1 of indoor heat converter 20 is preferably the evaporating temperature of indoor heat converter 20.
When refrigeration and/or heating 1 along as shown in Figure 1 heat operations flows when heating, at least one running parameter of compressor 10 is the suction end temperature T 3 of compressor 10, outdoor control device 41 is further configured for gathering the temperature T 2 of outdoor heat converter 21, and the difference T3-T2 between suction end temperature T 3 and the temperature T 2 of outdoor heat converter 21 of Indoor Control Device 40 based on compressor obtains compressor air suction end degree of superheat SSH, thereby the aperture of electric expansion valve 30 in control room, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
The temperature T 2 of outdoor heat converter 21 is preferably the evaporating temperature of outdoor heat converter 21.
In addition, refrigeration and/or heating 1 also can comprise the outdoor electric expansion valve (not shown at Fig. 1) being placed between outdoor heat converter 21 and indoor electronic expansion valve 30, in the time freezing and/or heating 1 heats, indoor electronic expansion valve 30 is the standard-sized sheet by the control of Indoor Control Device 40 for example, difference T3-T2 between suction end temperature T 3 and the temperature T 2 of outdoor heat converter 21 of outdoor control device 41 based on compressor obtains compressor air suction end degree of superheat SSH, thereby the aperture of control room exoelectron expansion valve, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
Describe according to the basic comprising of the refrigeration of the second embodiment of the present utility model and/or heating 1 below with reference to Fig. 2.
In Fig. 2, use identical Reference numeral with same or analogous parts in Fig. 1, wherein, will refrigeration and/or the refrigeration of heating 1 and the first embodiment and/or the difference of heating 1 of the second embodiment be described emphatically.
As shown in Figure 2, in the refrigeration and/or heating 1 of the second embodiment, refrigeration and/or heating 1 also comprise the second electric expansion valve 31, the second electric expansion valve 31 is arranged between outdoor heat converter 21 and the first electric expansion valve 30, and second control device 41 is further configured for controlling the aperture of the second electric expansion valve 30.Wherein, in this case outdoor electric expansion valve of the second electric expansion valve 31, but it can be also indoor electronic expansion valve, in this case indoor electronic expansion valve of the first electric expansion valve 30, but it can be also outdoor electric expansion valve, second control device 41 is outdoor control device in this case, but it can be also Indoor Control Device.
Preferably, outdoor control device 41 is configured to come based on the compressor air suction end degree of superheat SSH aperture of control room exoelectron expansion valve 31.
In the time freezing and/or heating 1 is freezed along the refrigerating operation flow direction as shown in Figure 2, outdoor electric expansion valve 31 is the standard-sized sheet by the control of outdoor control device 41 for example, at least one running parameter of compressor 10 is suction end temperature T 3 and the suction end pressure P 1 of compressor 10, Indoor Control Device 40 obtains compressor air suction end degree of superheat SSH based on suction end temperature T 3 and suction end pressure P 1, thereby the aperture of electric expansion valve 30 in control room, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
When refrigeration and/or heating 1 along as shown in Figure 2 heat operations flows when heating, indoor electronic expansion valve 30 is the standard-sized sheet by the control of Indoor Control Device 40 for example, the suction end temperature T 3 that at least one running parameter of compressor 10 is compressor and suction end pressure P 1, outdoor control device 41 obtains the compressor air suction end degree of superheat based on suction end temperature T 3 and suction end pressure P 1, thereby the aperture of control room exoelectron expansion valve 31, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
In addition, in the second embodiment, outdoor electric expansion valve 31 can be set, in this case, Indoor Control Device 40 obtains compressor air suction end degree of superheat SSH based on suction end temperature T 3 and suction end pressure P 1 in the time freezing and/or heating 1 is freezed or heats, thereby the aperture of electric expansion valve 30 in control room, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
Preferably, the suction end temperature T 3 of compressor 10 records between the air suction way of compressor 10 and gas-liquid separator 60, for example, record by temperature sensor.
Preferably, the suction end pressure P 1 of compressor 10 records at the upstream side near gas-liquid separator 60, for example, record by pressure sensor.
Describe according to the basic comprising of the refrigeration of the 3rd embodiment of the present utility model and/or heating 1 below with reference to Fig. 3.
In Fig. 3, use identical Reference numeral with same or analogous parts in Fig. 1 or Fig. 2, wherein, will refrigeration and/or the heating 1 and the refrigeration of first, second embodiment and/or the difference of heating 1 of the 3rd embodiment be described emphatically.
In the time freezing and/or heating 1 is freezed along the refrigerating operation flow direction as shown in Figure 3, outdoor electric expansion valve 31 is the standard-sized sheet by the control of outdoor control device 41 for example, at least one running parameter of compressor 10 is the suction end temperature T 3 of compressor 10, suction end pressure P 1, environment temperature T4 and compressor rotary speed S1, Indoor Control Device 40 obtains compressor air suction end degree of superheat SSH based on suction end temperature T 3 and suction end pressure P 1 and further carrys out the aperture of electric expansion valve 30 in control room based on environment temperature T4 and compressor rotary speed S1, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.For example, in the time that the compressor rotary speed S1 of compressor 10 is larger, or in the time that the residing environment temperature T4 of compressor 10 is higher, can on the basis of carrying out electric expansion valve 30 apertures in control room based on compressor air suction end superheater SSH, further increase the aperture of indoor electronic expansion valve 30.Or, at the compressor rotary speed S1 of compressor 10 hour, or in the time that the residing environment temperature T4 of compressor 10 is lower, can on the basis of carrying out electric expansion valve 30 apertures in control room based on compressor air suction end superheater SSH, further reduce the aperture of indoor electronic expansion valve 30.
When refrigeration and/or heating 1 along as shown in Figure 3 heat operations flows when heating, indoor electronic expansion valve 30 is the standard-sized sheet by the control of Indoor Control Device 40 for example, at least one running parameter of compressor 10 is the suction end temperature T 3 of compressor 10, suction end pressure P 1, environment temperature T4 and compressor rotary speed S1, outdoor control device 41 obtains compressor air suction end degree of superheat SSH based on suction end temperature T 3 and suction end pressure P 1 and further carrys out the aperture of control room exoelectron expansion valve 31 based on environment temperature T4 and compressor rotary speed S1, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.For example, in the time that the compressor rotary speed S1 of compressor 10 is larger, or in the time that the residing environment temperature T4 of compressor 10 is lower, can on the basis of carrying out control room exoelectron expansion valve 31 apertures based on compressor air suction end superheater SSH, further increase the aperture of outdoor electric expansion valve 31.Or, at the compressor rotary speed S1 of compressor 10 hour, or in the time that the residing environment temperature T4 of compressor 10 is higher, can on the basis of carrying out control room exoelectron expansion valve 31 apertures based on compressor air suction end superheater SSH, further reduce the aperture of outdoor electric expansion valve 31.
In addition, in the 3rd embodiment, outdoor electric expansion valve 31 can be set, in this case, Indoor Control Device 40 obtains compressor air suction end degree of superheat SSH and further carrys out the aperture of electric expansion valve 30 in control room based on environment temperature T4 and compressor rotary speed S1 based on suction end temperature T 3 and suction end pressure P 1 in the time freezing and/or heating 1 is freezed or heats, and then reaches the control target of the degree of superheat of refrigeration and/or heating 1.
Describe according to the basic comprising of the refrigeration of the 4th embodiment of the present utility model and/or heating 1 below with reference to Fig. 4.
In Fig. 4, use identical Reference numeral with same or analogous parts in Fig. 1-3, wherein, will refrigeration and/or the refrigeration of heating 1 and first, second, third embodiment and/or the difference of heating 1 of the 4th embodiment be described emphatically.
Refrigeration and/or heating 1 are preferably multiple refrigeration and/or heating in the 4th embodiment, indoor heat converter 20 is n, wherein n is at least two, and each indoor heat converter 20 disposes respectively an indoor electronic expansion valve 30 and an Indoor Control Device 40, each indoor electronic expansion valve 30 and outdoor electric expansion valve 31 parallel connections.
In the time freezing and/or heating 1 is freezed, outdoor electric expansion valve 31 for example passes through outdoor controller 41 and standard-sized sheet, the suction end pressure P 1 that at least one running parameter of compressor 10 is compressor, each Indoor Control Device 40 is further configured for the temperature T O1 in the exit that gathers each indoor heat converter 20, TO2, TO3 ... TOn, each Indoor Control Device 40 temperature T O1 in the exit based on each indoor heat converter 20 respectively, TO2, TO3 ... Ton and suction end pressure P 1 obtain each indoor heat converter degree of superheat ESH1, ESH2, ESH3 ... ESHn, thereby control the aperture of each indoor electronic expansion valve 30, and then reach the control target of refrigeration and/or the degree of superheat of heating 1.
In the time freezing and/or heating 1 heats, each indoor electronic expansion valve 30 is for example respectively by the equal standard-sized sheet of Indoor Control Device 40 separately, the suction end temperature T 3 that at least one running parameter of compressor 10 is compressor and suction end pressure P 1, outdoor control device 41 obtains compressor air suction end degree of superheat SSH based on suction end temperature T 3 and suction end pressure P 1, thus the aperture of control room exoelectron expansion valve 31.
Although described numerous embodiments of the present utility model and many aspects above, it should be appreciated by those skilled in the art that and can make further modification and/or remodeling to aspects more of the present utility model.
In the respective embodiments described above, the account form of the compressor air suction end degree of superheat is not limited to this, but can between each embodiment, mutually replace, and also can in each embodiment, mutually combine.
Although described various embodiment of the present utility model in detail at this, but should be appreciated that, the utility model is not limited to the specific embodiment of describing in detail and illustrating here, can be realized by those skilled in the art other modification and remodeling in the situation that not departing from connotation of the present utility model and scope.All these modification and remodeling all fall in scope of the present utility model.

Claims (18)

1. refrigeration and/or a heating, described refrigeration and/or heating (1) comprising:
Compressor (10), described compressor (10) is configured for compression and discharging refrigerant, and described compressor (10) has air suction way, exhaust channel and compressing mechanism;
Indoor heat converter (20), the one in air suction way and the exhaust channel of described indoor heat converter (20) and described compressor (10) connects;
Outdoor heat converter (21), the another one in air suction way and the exhaust channel of described outdoor heat converter (21) and described compressor (10) connects;
First control device (40);
Second control device (41), described second control device (41) is configured for gathering at least one running parameter of described compressor (10); And
The first electric expansion valve (30), described the first electric expansion valve (30) is arranged between described outdoor heat converter (21) and described indoor heat converter (20), for the amount of the cold-producing medium that enters described outdoor heat converter (21) or described indoor heat converter (20) is controlled;
It is characterized in that, described first control device (40) is constructed to be permeable to carry out radio communication to control the aperture of described the first electric expansion valve (30) with described second control device (41).
2. refrigeration according to claim 1 and/or heating (1), wherein,
Described first control device (40) is Indoor Control Device (40), and described second control device (41) is outdoor control device (41), and described the first electric expansion valve (30) is indoor electronic expansion valve (30).
3. refrigeration according to claim 2 and/or heating (1), wherein,
Described Indoor Control Device (40) is configured to control based on the compressor air suction end degree of superheat (SSH) aperture of described indoor electronic expansion valve (30).
4. according to the refrigeration described in claim 2 or 3 and/or heating (1), wherein,
In the time that described refrigeration and/or heating (1) are freezed, at least one running parameter of described compressor (10) is the suction end temperature (T3) of described compressor (10), described Indoor Control Device (40) is further configured for gathering the temperature (T1) of described indoor heat converter (20), and the difference (T3-T1) that described Indoor Control Device (40) is configured between described suction end temperature (T3) and the described temperature (T1) of described indoor heat converter (20) based on described compressor (10) obtains the compressor air suction end degree of superheat (SSH), thereby control the aperture of described indoor electronic expansion valve (30).
5. refrigeration according to claim 4 and/or heating (1), wherein,
The described temperature (T1) of described indoor heat converter (20) is the evaporating temperature of described indoor heat converter (20).
6. according to the refrigeration described in claim 2 or 3 and/or heating (1), wherein,
In the time that described refrigeration and/or heating (1) heat, at least one running parameter of described compressor (10) is the suction end temperature (T3) of described compressor (10), described outdoor control device (41) is further configured for gathering the temperature (T2) of described outdoor heat converter (21), and the difference (T3-T2) between described suction end temperature (T3) and the described temperature (T2) of described outdoor heat converter (21) of described Indoor Control Device (40) based on described compressor (10) obtains the compressor air suction end degree of superheat (SSH), thereby control the aperture of described indoor electronic expansion valve (30).
7. refrigeration according to claim 6 and/or heating (1), wherein,
The described temperature (T2) of described outdoor heat converter (21) is the evaporating temperature of described outdoor heat converter (21).
8. according to the refrigeration described in claim 2 or 3 and/or heating (1), wherein,
In the time that described refrigeration and/or heating (1) are freezed or heat, at least one running parameter of described compressor (10) is suction end temperature (T3) and the suction end pressure (P1) of described compressor (10), described Indoor Control Device (40) obtains the compressor air suction end degree of superheat (SSH) based on described suction end temperature (T3) and described suction end pressure (P1), thereby controls the aperture of described indoor electronic expansion valve (30).
9. refrigeration according to claim 8 and/or heating (1), wherein,
Described Indoor Control Device (40) is further controlled the aperture of described indoor electronic expansion valve (30) based on the residing environment temperature of described compressor (10) (T4) and compressor rotary speed (S1).
10. refrigeration according to claim 1 and/or heating (1), wherein,
Described refrigeration and/or heating (1) also comprise the second electric expansion valve (31), described the second electric expansion valve (31) is arranged between described outdoor heat converter (21) and described the first electric expansion valve (30), and described second control device (41) is further configured for controlling the aperture of described the second electric expansion valve (31).
11. refrigeration according to claim 10 and/or heating (1), wherein,
Described first control device (40) is Indoor Control Device (40), described second control device (41) is outdoor control device (41), described the first electric expansion valve (30) is indoor electronic expansion valve (30), and described the second electric expansion valve (31) is outdoor electric expansion valve (31).
12. refrigeration according to claim 11 and/or heating (1), wherein,
Described outdoor control device (41) is configured to control based on the compressor air suction end degree of superheat (SSH) aperture of described outdoor electric expansion valve (31).
13. according to the refrigeration described in claim 11 or 12 and/or heating (1), wherein,
In the time that described refrigeration and/or heating (1) are freezed, described outdoor electric expansion valve (31) standard-sized sheet, at least one running parameter of described compressor (10) is suction end temperature (T3) and the suction end pressure (P1) of described compressor (10), described Indoor Control Device (40) obtains the compressor air suction end degree of superheat (SSH) based on described suction end temperature (T3) and described suction end pressure (P1), thereby controls the aperture of described indoor electronic expansion valve (30).
14. refrigeration according to claim 13 and/or heating (1), wherein,
Described Indoor Control Device (40) is further controlled the aperture of described indoor electronic expansion valve (30) based on the residing environment temperature of described compressor (10) (T4) and compressor rotary speed (S1).
15. according to the refrigeration described in claim 11 or 12 and/or heating (1), wherein,
In the time that described refrigeration and/or heating (1) heat, described indoor electronic expansion valve (30) standard-sized sheet, at least one running parameter of described compressor (10) is suction end temperature (T3) and the suction end pressure (P1) of described compressor (10), described outdoor control device (41) obtains the compressor air suction end degree of superheat (SSH) based on described suction end temperature (T3) and described suction end pressure (P1), thereby controls the aperture of described outdoor electric expansion valve (31).
16. refrigeration according to claim 15 and/or heating (1), wherein,
Described outdoor control device (41) is further controlled the aperture of described outdoor electric expansion valve (31) based on the residing environment temperature of described compressor (10) (T4) and compressor rotary speed (S1).
17. according to the refrigeration described in claim 11 or 12 and/or heating (1), wherein,
Described indoor heat converter (20) is at least two indoor heat converters (20), and each indoor heat converter (20) disposes respectively a described indoor electronic expansion valve (30) and a described Indoor Control Device (40), in the time that described refrigeration and/or heating (1) are freezed, described outdoor electric expansion valve (31) standard-sized sheet, at least one running parameter of described compressor (10) is the suction end pressure (P1) of described compressor (10), each described Indoor Control Device (40) is further configured for the temperature (TO1 in the exit that gathers each indoor heat converter (20), TO2, TO3 ... TOn), temperature (the TO1 in the described exit of described Indoor Control Device (40) based on each indoor heat converter (20), TO2, TO3 ... TOn) and described suction end pressure (P1) obtain the each indoor heat converter degree of superheat (ESH1, ESH2, ESH3 ... ESHn), thereby control the aperture of each indoor electronic expansion valve (30).
18. according to the refrigeration described in claim 11 or 12 and/or heating (1), wherein,
Described indoor heat converter (20) is at least two indoor heat converters (20), and each indoor heat converter (20) disposes respectively a described indoor electronic expansion valve (30) and a described Indoor Control Device (40), in the time that described refrigeration and/or heating (1) heat, each indoor electronic expansion valve (30) is standard-sized sheet all, at least one running parameter of described compressor (10) is suction end temperature (T3) and the suction end pressure (P1) of described compressor (10), described outdoor control device (41) obtains the compressor air suction end degree of superheat (SSH) based on described suction end temperature (T3) and described suction end pressure (P1), thereby control the aperture of described outdoor electric expansion valve (31).
CN201320771663.4U 2013-11-28 2013-11-28 Refrigerating and/or heating system Expired - Lifetime CN203642552U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104613609A (en) * 2014-12-22 2015-05-13 曙光信息产业(北京)有限公司 Air conditioning system
CN104676953A (en) * 2013-11-28 2015-06-03 艾默生环境优化技术(苏州)有限公司 Refrigerating and/or heating system and control method thereof
CN109458683A (en) * 2018-10-16 2019-03-12 宁波工程学院 Dry type radiant heat pump and modular point of family air conditioner integrated machine and its control method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104676953A (en) * 2013-11-28 2015-06-03 艾默生环境优化技术(苏州)有限公司 Refrigerating and/or heating system and control method thereof
CN104613609A (en) * 2014-12-22 2015-05-13 曙光信息产业(北京)有限公司 Air conditioning system
CN109458683A (en) * 2018-10-16 2019-03-12 宁波工程学院 Dry type radiant heat pump and modular point of family air conditioner integrated machine and its control method
CN109458683B (en) * 2018-10-16 2021-01-22 宁波工程学院 Dry type radiation heat pump and unit type household air conditioner all-in-one machine and control method thereof

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