CN107178872A - A kind of refrigerant method of adjustment and device - Google Patents
A kind of refrigerant method of adjustment and device Download PDFInfo
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- CN107178872A CN107178872A CN201710353666.9A CN201710353666A CN107178872A CN 107178872 A CN107178872 A CN 107178872A CN 201710353666 A CN201710353666 A CN 201710353666A CN 107178872 A CN107178872 A CN 107178872A
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Abstract
The present invention discloses a kind of refrigerant method of adjustment and device.Wherein, this method includes：The operational factor of acquisition system；Judge whether coolant quantity is suitable in system according to the operational factor；It is turned on and off according to magnetic valve in judged result control system, to adjust coolant quantity.Pass through the present invention, the coolant quantity in system is can determine whether according to the condensation temperature difference and the evaporation temperature difference, so as to control being turned on and off for magnetic valve, to control turnover of the refrigerant in fluid reservoir, so that multiple on-line system flexibly controls coolant quantity under different working modes, different load, to be optimal efficiency.
Description
Technical field
The present invention relates to multi-connected machine technology field, in particular to a kind of refrigerant method of adjustment and device.
Background technology
In the related art, multiple on-line system reaches under different operational modes (such as refrigeration mode or heating mode)
It is different to the coolant quantity required for optimal efficiency.Multiple on-line system is under same operational mode, and different load is issued to
Coolant quantity required for optimal efficiency is also different.Multiple on-line system is in the case of refrigerating capacity or heating capacity identical
Condensing pressure is higher in system, and energy consumption is bigger, and efficiency is also lower.
How flexibly to be controlled under different working modes, different load for multiple on-line system in the prior art coolant quantity with
The problem of ensureing optimal efficiency, not yet proposes effective solution at present.
The content of the invention
A kind of refrigerant method of adjustment and device are provided in the embodiment of the present invention, existed with solving multiple on-line system in the prior art
How the problem of coolant quantity is to ensure optimal efficiency is flexibly controlled under different working modes, different load.
In order to solve the above technical problems, the invention provides a kind of refrigerant method of adjustment, wherein, this method includes：Obtain
The operational factor of system；Judge whether coolant quantity is suitable in system according to the operational factor；According to judged result control system
Middle magnetic valve is turned on and off, to adjust coolant quantity.
Further, the operational factor at least includes：The present mode of operation of the system, and temperature parameter.
Further, the operational mode at least includes one below：Refrigeration mode, heating mode.
Further, the temperature parameter at least includes one below：Outdoor circumstance temperature, indoor circumstance temperature, the condensation temperature of refrigerant
Degree, the evaporating temperature of refrigerant.
Further, in the case where system present mode of operation is refrigeration mode, system is judged according to the operational factor
Whether coolant quantity is suitable in system, including：If condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporation temperature
Spend ＜ second temperature values, it is determined that coolant quantity is excessive in system；If condensation temperature-the temperature values of outdoor circumstance temperature ＜ the 3rd, and room
Interior temperature-the temperature values of evaporating temperature ＞ the 4th, it is determined that coolant quantity is very few in system；If three temperature values≤condensation temperature
The temperature value of degree-outdoor circumstance temperature≤first, or, the temperature value of second temperature value≤indoor temperature-evaporating temperature≤the 4th, then really
Determine coolant quantity in system suitable.
Further, in the case where system present mode of operation is heating mode, system is judged according to the operational factor
Whether coolant quantity is suitable in system, including：If condensation temperature-the temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-evaporation temperature
Spend the temperature values of ＜ the 6th, it is determined that coolant quantity is excessive in system；If condensation temperature-the temperature values of interior circumstance temperature ＜ the 7th, and room
Outer temperature-the temperature values of evaporating temperature ＞ the 8th, it is determined that coolant quantity is very few in system；If seven temperature values≤condensation temperature
The temperature value of degree-interior circumstance temperature≤the 5th, or, the temperature value of six temperature values≤outdoor temperature-evaporating temperature≤the 8th, then really
Determine coolant quantity in system suitable.
Further, it is turned on and off according to magnetic valve in judged result control system, including：If refrigerant in system
Amount is excessive, then opens liquid feed valve, closes liquid valve and high pressure air exhaust valve；Wherein, the magnetic valve at least includes：The feed liquor
Valve, the liquid valve, the high pressure air exhaust valve；If coolant quantity is very few in system, liquid valve is opened, liquid feed valve and height is closed
Pressure exhaust valve；If coolant quantity is suitable in system, the current state of the magnetic valve is maintained.
Further, the operational factor also includes：The pressure value of fluid reservoir in system；Methods described also includes：In prison
When measuring the pressure value of the fluid reservoir more than the first preset value, then liquid feed valve and liquid valve are closed, and open high pressure air exhaust valve；
Until the pressure value of the fluid reservoir then closes the high pressure air exhaust valve less than the second preset value；Wherein, the first pressure value
Second pressure value described in ＞.
Further, the temperature parameter at least includes one below：The outdoor circumstance temperature is the environment sense by outdoor unit
The temperature value that thermometer bulb detection is obtained；The indoor circumstance temperature is the temperature value obtained by the environment temperature-sensitive bag detection of indoor set；It is described
Condensation temperature is the saturation temperature value being converted to according to the observed pressure of high pressure sensor；The evaporating temperature is according to low pressure
The saturation temperature value that the observed pressure of sensor is converted to.
The invention provides a kind of refrigerant adjusting apparatus, wherein, the device includes：Acquisition module, for obtaining system
Operational factor；Judge module, for judging whether coolant quantity is suitable in system according to the operational factor；Control module, is used for
It is turned on and off according to magnetic valve in judged result control system, to adjust coolant quantity.
Further, the operational factor at least includes：The present mode of operation of the system, and temperature parameter.
Further, the operational mode at least includes one below：Refrigeration mode, heating mode；The temperature parameter
At least include one below：Outdoor circumstance temperature, indoor circumstance temperature, the condensation temperature of refrigerant, the evaporating temperature of refrigerant.
Further, in the case where system present mode of operation is refrigeration mode, the judge module includes：First sentences
Disconnected unit, in condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporating temperature ＜ second temperature values
When, determine that coolant quantity is excessive in system；Second judging unit, if in condensation temperature-temperature of outdoor circumstance temperature ＜ the 3rd
Value, and during indoor temperature-evaporating temperature four temperature values of ＞, determine that coolant quantity is very few in system；3rd judging unit, is used for
If in the temperature value of three temperature values≤condensation temperature-outdoor circumstance temperature≤first, or, second temperature value≤indoor temperature-
During evaporating temperature≤four temperature value, determine that coolant quantity is suitable in system.
Further, in the case where system present mode of operation is heating mode, the judge module includes：4th sentences
Disconnected unit, in condensation temperature-temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-temperature values of evaporating temperature ＜ the 6th
When, determine that coolant quantity is excessive in system；5th judging unit, in condensation temperature-temperature values of interior circumstance temperature ＜ the 7th, and
During outdoor temperature-evaporating temperature eight temperature values of ＞, determine that coolant quantity is very few in system；6th judging unit, for the 7th
The temperature value of temperature value≤condensation temperature-interior circumstance temperature≤the 5th, or, six temperature values≤outdoor temperature-evaporating temperature≤
During eight temperature values, determine that coolant quantity is suitable in system.
Further, the control module includes：First control unit, for when coolant quantity is excessive in systems, opening
Liquid feed valve, closes liquid valve and high pressure air exhaust valve；Wherein, the magnetic valve at least includes：The liquid feed valve, the liquid valve,
The high pressure air exhaust valve；Second control unit, for when coolant quantity is very few in systems, opens liquid valve, close liquid feed valve and
High pressure air exhaust valve；3rd control unit, for when coolant quantity is suitable in systems, maintaining the current state of the magnetic valve.
Further, the operational factor also includes：The pressure value of fluid reservoir in system；Described device also includes：Pressure
Control module, for when monitoring the pressure value of the fluid reservoir more than the first preset value, then closing liquid feed valve and liquid valve,
And open high pressure air exhaust valve；Until the pressure value of the fluid reservoir then closes the high pressure air exhaust valve less than the second preset value；Its
In, second pressure value described in the first pressure value ＞.
Apply the technical scheme of the present invention, the coolant quantity in system is can determine whether according to the condensation temperature difference and the evaporation temperature difference, so that
Being turned on and off for magnetic valve is controlled, to control turnover of the refrigerant in fluid reservoir, so that multiple on-line system is in different works
Coolant quantity is flexibly controlled under operation mode, different load, to be optimal efficiency.
Brief description of the drawings
Fig. 1 is the flow chart of refrigerant method of adjustment according to embodiments of the present invention；
Fig. 2 is system construction drawing according to embodiments of the present invention；
Fig. 3 is system detail figure according to embodiments of the present invention；
Fig. 4 is the refrigerant adjustment flow chart of multiple on-line system according to embodiments of the present invention；
Fig. 5 is the structured flowchart of refrigerant adjusting apparatus according to embodiments of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Fig. 1 is the flow chart of refrigerant method of adjustment according to embodiments of the present invention, as shown in figure 1, this method is including following
Step：
Step S101, obtains the operational factor of system；
Specifically, above-mentioned operational factor can at least include：The present mode of operation of system, and temperature parameter.Operation
Pattern can at least include one below：Temperature parameter can at least include one below：Outdoor circumstance temperature, indoor circumstance temperature, refrigerant
Condensation temperature, the evaporating temperature of refrigerant.
Step S102, judges whether coolant quantity is suitable in system according to above-mentioned operational factor.
Step S103, is turned on and off according to magnetic valve in judged result control system, to adjust coolant quantity.
In the case where system present mode of operation is refrigeration mode, according to coolant quantity in above-mentioned operational factor judgement system
It is whether suitable, it can be realized by following preferred embodiment：
If condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporating temperature ＜ second temperature values,
Then coolant quantity is excessive in determination system；If condensation temperature-the temperature values of outdoor circumstance temperature ＜ the 3rd, and indoor temperature-evaporation temperature
Spend the temperature values of ＞ the 4th, it is determined that coolant quantity is very few in system；If three temperature values≤condensation temperature-outdoor circumstance temperature≤the
One temperature value, or, the temperature value of second temperature value≤indoor temperature-evaporating temperature≤the 4th, it is determined that coolant quantity is closed in system
It is suitable.
It should be noted that the first temperature values of above-mentioned 3rd temperature value ＜, the above-mentioned temperature values of second temperature value ＜ the 4th, this
The concrete numerical value of four temperature values can be set according to the actual requirements, and the present embodiment is not limited this.
In the case where system present mode of operation is heating mode, according to coolant quantity in above-mentioned operational factor judgement system
It is whether suitable, it can be realized by following preferred embodiment：
If condensation temperature-the temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-temperature values of evaporating temperature ＜ the 6th,
Then coolant quantity is excessive in determination system；If condensation temperature-the temperature values of interior circumstance temperature ＜ the 7th, and outdoor temperature-evaporation temperature
Spend the temperature values of ＞ the 8th, it is determined that coolant quantity is very few in system；If seven temperature values≤condensation temperature-interior circumstance temperature≤the
Five temperature values, or, the temperature value of six temperature values≤outdoor temperature-evaporating temperature≤the 8th, it is determined that coolant quantity is closed in system
It is suitable.
It should be noted that the above-mentioned temperature values of 7th temperature value ＜ the 5th, the above-mentioned temperature values of 6th temperature value ＜ the 8th, this
The concrete numerical value of four temperature values can be set according to the actual requirements, and the present embodiment is not limited this.
Based on above-mentioned preferred embodiment, according to the coolant quantity in the condensation temperature difference and the evaporation temperature difference accurately judgement system, from
And the coolant quantity in system is adjusted flexibly based on the judged result, so as to ensure multiple on-line system in different operating mould
Formula, different load are issued to optimal efficiency.
After it is determined that the coolant quantity in system is excessive, very few or suitable, then magnetic valve is controlled accordingly.At this
In embodiment, magnetic valve at least includes：Liquid feed valve, liquid valve, high pressure air exhaust valve.Fig. 2 is system according to embodiments of the present invention
Structure chart, as shown in Fig. 2 magnetic valve 1 is liquid feed valve, can control refrigerant and flows into fluid reservoir；Magnetic valve 2 is liquid valve, be can control
Refrigerant flows out fluid reservoir；Magnetic valve 3 is high pressure air exhaust valve, can be exhausted in fluid reservoir hypertonia.Specifically, this reality
Applying the operational factor in example can also include：The pressure value of fluid reservoir in system, is monitoring the pressure value of fluid reservoir more than
During one preset value, then liquid feed valve and liquid valve are closed, and open high pressure air exhaust valve；Until the pressure value of fluid reservoir is pre- less than second
If value then closes high pressure air exhaust valve；Wherein, first pressure value ＞ second pressure values.In the present embodiment, the control can be set excellent
First level is the superlative degree.
If coolant quantity is excessive in system, liquid feed valve is opened, liquid valve and high pressure air exhaust valve is closed；If cold in system
Matchmaker's amount is very few, then opens liquid valve, closes liquid feed valve and high pressure air exhaust valve；If coolant quantity is suitable in system, electromagnetism is maintained
The current state of valve.By controlling being turned on and off for magnetic valve, so as to control turnover of the refrigerant in fluid reservoir so that multi-joint
Machine system flexibly controls coolant quantity under different working modes, different load, is optimal efficiency.
It should be noted that in the present embodiment, outdoor circumstance temperature is the temperature obtained by the environment temperature-sensitive bag detection of outdoor unit
Angle value, indoor circumstance temperature is the temperature value obtained by the environment temperature-sensitive bag detection of indoor set, and condensation temperature is passed according to Fig. 2 mesohighs
The saturation temperature value that the observed pressure of sensor is converted to, evaporating temperature is turned according to the observed pressure of Fig. 2 mesolow sensors
The saturation temperature value got in return.
Fig. 3 is system detail figure according to embodiments of the present invention, as shown in figure 3, illustrating the environment temperature-sensitive bag of outdoor unit
Partial detail, indoor set liquid pipe connects outdoor unit liquid pipe, and indoor set tracheae connects outdoor unit tracheae, and indoor environment temperature-sensitive bag is used
In circumstance temperature in measuring chamber.
Embodiment two
Fig. 4 is the refrigerant adjustment flow chart of multiple on-line system according to embodiments of the present invention, as shown in figure 4, the flow bag
Include following steps：
Step S401, monitoring temperature parameter.Temperature parameter can at least include：Condensation temperature TCondensation, outdoor circumstance temperature TOutside, room
Interior circumstance temperature TIt is interior, evaporating temperature TEvaporation。
Step S402, judges the present mode of operation of system；If refrigeration mode, then step S403 is performed；If
Heating mode, then perform step S404.
Step S403, in cooling mode, according to coolant quantity in temperature difference judgement system, so control magnetic valve unlatching or
Close.Specifically,
If [TCondensation]-[TOutside] ＞ A DEG C, and [TIt is interior]-[TEvaporation] ＜ B DEG C, it is determined that coolant quantity is excessive in system, then performs step
Rapid S405a；
If [TCondensation]-[TOutside] ＜ C DEG C, and [TIt is interior]-[TEvaporation] ＞ D DEG C, it is determined that coolant quantity is very few in system, then performs step
Rapid S405b；
If C≤[TCondensation]-[TOutside]≤A DEG C, or B≤[TIt is interior]-[TEvaporation]≤D DEG C, it is determined that coolant quantity is normal in system, then
Perform step S405c.
Step S404, in a heating mode, according to coolant quantity in temperature difference judgement system, so control magnetic valve unlatching or
Close.Specifically,
If [TCondensation]-[TIt is interior] ＞ E DEG C, and [TOutside]-[TEvaporation] ＜ F DEG C, it is determined that coolant quantity is excessive in system, then performs step
Rapid S405a；
If [TCondensation]-[TIt is interior] ＜ G DEG C, and [TOutside]-[TEvaporation] ＞ H DEG C, it is determined that coolant quantity is very few in system, then performs step
Rapid S405b；
If G≤[TCondensation]-[TIt is interior]≤E DEG C, or F≤[TOutside]-[TEvaporation]≤H DEG C, it is determined that coolant quantity is normal in system, then
Perform step S405c.
Step S405a, closes magnetic valve 2,3, opens solenoid valve 1.
Step S405b, closes magnetic valve 1,3, opens solenoid valve 2.
Step S405c, maintains the current control of magnetic valve.
In the present embodiment, magnetic valve 1 is liquid feed valve, and magnetic valve 2 is liquid valve, and magnetic valve 3 is high pressure air exhaust valve, above-mentioned
A, B, C, E, F, G, H, J, I numerical value can voluntarily be set.In addition, in concrete operations, monitoring temperature parameter and the current fortune of judgement
The execution time of the two operations of row mode is in no particular order.
Embodiment three
The refrigerant method of adjustment introduced corresponding to Fig. 1, present embodiments provides a kind of refrigerant adjusting apparatus, as shown in Figure 5
Refrigerant adjusting apparatus structured flowchart, the device includes：
Acquisition module 10, the operational factor for obtaining system；
Judge module 20, is connected to acquisition module 10, for judging in system whether is coolant quantity according to above-mentioned operational factor
Properly；
Control module 30, is connected to judge module 20, for according to the unlatching of magnetic valve in judged result control system or
Close, to adjust coolant quantity.
In the present embodiment, above-mentioned operational factor can at least include：The present mode of operation of system, and temperature ginseng
Number.Operational mode can at least include one below：Refrigeration mode, heating mode；Temperature parameter at least can include it is following it
One：Outdoor circumstance temperature, indoor circumstance temperature, the condensation temperature of refrigerant, the evaporating temperature of refrigerant.
In the case where system present mode of operation is refrigeration mode, above-mentioned judge module can include：
First judging unit, in condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporation temperature
When spending ＜ second temperature values, determine that coolant quantity is excessive in system；
Second judging unit, if in condensation temperature-temperature values of outdoor circumstance temperature ＜ the 3rd, and indoor temperature-steaming
When sending out temperature four temperature values of ＞, determine that coolant quantity is very few in system；
3rd judging unit, if in the temperature value of three temperature values≤condensation temperature-outdoor circumstance temperature≤first, or
Person, during second temperature value≤indoor temperature-evaporating temperature≤four temperature value, determines that coolant quantity is suitable in system.
It should be noted that the first temperature values of above-mentioned 3rd temperature value ＜, the above-mentioned temperature values of second temperature value ＜ the 4th, this
The concrete numerical value of four temperature values can be set according to the actual requirements, and the present embodiment is not limited this.
In the case where system present mode of operation is heating mode, above-mentioned judge module can include：
4th judging unit, in condensation temperature-temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-evaporation temperature
When spending six temperature values of ＜, determine that coolant quantity is excessive in system；
5th judging unit, in condensation temperature-temperature values of interior circumstance temperature ＜ the 7th, and outdoor temperature-evaporation temperature
When spending eight temperature values of ＞, determine that coolant quantity is very few in system；
6th judging unit, in the temperature value of seven temperature values≤condensation temperature-interior circumstance temperature≤the 5th, or,
During six temperature values≤outdoor temperature-evaporating temperature≤eight temperature value, determine that coolant quantity is suitable in system.
It should be noted that the above-mentioned temperature values of 7th temperature value ＜ the 5th, the above-mentioned temperature values of 6th temperature value ＜ the 8th, this
The concrete numerical value of four temperature values can be set according to the actual requirements, and the present embodiment is not limited this.
Based on above-mentioned preferred embodiment, according to the coolant quantity in the condensation temperature difference and the evaporation temperature difference accurately judgement system, from
And the coolant quantity in system is adjusted flexibly based on the judged result, so as to ensure multiple on-line system in different operating mould
Formula, different load are issued to optimal efficiency.
In this embodiment, it is preferred that, above-mentioned control module can include：
First control unit, for when coolant quantity is excessive in systems, opening liquid feed valve, closes liquid valve and high pressure gas
Valve；Wherein, above-mentioned magnetic valve at least includes：Above-mentioned liquid feed valve, above-mentioned liquid valve, above-mentioned high pressure air exhaust valve；
Second control unit, for when coolant quantity is very few in systems, opening liquid valve, closes liquid feed valve and high pressure gas
Valve；
3rd control unit, for when coolant quantity is suitable in systems, maintaining the current state of above-mentioned magnetic valve.
Based on this, by controlling being turned on and off for magnetic valve, so as to control turnover of the refrigerant in fluid reservoir so that many
On-line system flexibly controls coolant quantity under different working modes, different load, is optimal efficiency.
In the present embodiment, above-mentioned operational factor also includes：The pressure value of fluid reservoir in system.Said apparatus also includes：
Pressure control module, for when monitoring the pressure value of above-mentioned fluid reservoir more than the first preset value, then closing liquid feed valve and going out
Liquid valve, and open high pressure air exhaust valve；Until the pressure value of above-mentioned fluid reservoir then closes above-mentioned high pressure gas less than the second preset value
Valve；Wherein, the above-mentioned above-mentioned second pressure values of first pressure value ＞.In the present embodiment, this, which can be set, controls priority to be highest
Level.
It was found from description more than, technical solution of the present invention is mainly：In cooling mode, by detecting condensation temperature
With the outdoor environment temperature temperature difference, indoor environment temperature and the evaporating temperature temperature difference, system coolant quantity is judged, then by adjusting electromagnetism
Valve, so as to adjust the coolant quantity of fluid reservoir.In a heating mode, detection condensation temperature and the indoor environment temperature temperature difference, outdoor ring
Border temperature and the evaporating temperature temperature difference, judge system coolant quantity, then by electromagnetic valve for adjusting, so as to adjust the refrigerant of fluid reservoir
Amount.Guarantee system is run under rational coolant quantity is optimal efficiency.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (16)
1. a kind of refrigerant method of adjustment, it is characterised in that methods described includes：
The operational factor of acquisition system；
Judge whether coolant quantity is suitable in system according to the operational factor；
It is turned on and off according to magnetic valve in judged result control system, to adjust coolant quantity.
2. according to the method described in claim 1, it is characterised in that the operational factor at least includes：
The present mode of operation of the system, and temperature parameter.
3. method according to claim 2, it is characterised in that the operational mode at least includes one below：
Refrigeration mode, heating mode.
4. method according to claim 3, it is characterised in that the temperature parameter at least includes one below：
Outdoor circumstance temperature, indoor circumstance temperature, the condensation temperature of refrigerant, the evaporating temperature of refrigerant.
5. method according to claim 4, it is characterised in that in system present mode of operation be the situation of refrigeration mode
Under, judge whether coolant quantity is suitable in system according to the operational factor, including：
If condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporating temperature ＜ second temperature values, then really
Determine coolant quantity in system excessive；
If condensation temperature-the temperature values of outdoor circumstance temperature ＜ the 3rd, and indoor temperature-temperature values of evaporating temperature ＞ the 4th, then really
Determine coolant quantity in system very few；
If the temperature value of three temperature values≤condensation temperature-outdoor circumstance temperature≤first, or, second temperature value≤Indoor Temperature
The temperature value of degree-evaporating temperature≤the 4th, it is determined that coolant quantity is suitable in system.
6. method according to claim 5, it is characterised in that in system present mode of operation be the situation of heating mode
Under, judge whether coolant quantity is suitable in system according to the operational factor, including：
If condensation temperature-the temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-temperature values of evaporating temperature ＜ the 6th, then really
Determine coolant quantity in system excessive；
If condensation temperature-the temperature values of interior circumstance temperature ＜ the 7th, and outdoor temperature-temperature values of evaporating temperature ＞ the 8th, then really
Determine coolant quantity in system very few；
If the temperature value of seven temperature values≤condensation temperature-interior circumstance temperature≤the 5th, or, six temperature values≤outdoor temp
The temperature value of degree-evaporating temperature≤the 8th, it is determined that coolant quantity is suitable in system.
7. method according to claim 6, it is characterised in that according to the unlatching of magnetic valve in judged result control system or
Close, including：
If coolant quantity is excessive in system, liquid feed valve is opened, liquid valve and high pressure air exhaust valve is closed；Wherein, the magnetic valve
At least include：The liquid feed valve, the liquid valve, the high pressure air exhaust valve；
If coolant quantity is very few in system, liquid valve is opened, liquid feed valve and high pressure air exhaust valve is closed；
If coolant quantity is suitable in system, the current state of the magnetic valve is maintained.
8. according to the method described in claim 1, it is characterised in that the operational factor also includes：The pressure of fluid reservoir in system
Force value；
Methods described also includes：When monitoring the pressure value of the fluid reservoir more than the first preset value, then close liquid feed valve and
Liquid valve, and open high pressure air exhaust valve；Until the pressure value of the fluid reservoir then closes the high pressure less than the second preset value
Air valve；Wherein, second pressure value described in the first pressure value ＞.
9. method according to claim 4, it is characterised in that the temperature parameter at least includes one below：
The outdoor circumstance temperature is the temperature value obtained by the environment temperature-sensitive bag detection of outdoor unit；
The indoor circumstance temperature is the temperature value obtained by the environment temperature-sensitive bag detection of indoor set；
The condensation temperature is the saturation temperature value being converted to according to the observed pressure of high pressure sensor；
The evaporating temperature is the saturation temperature value being converted to according to the observed pressure of low pressure sensor.
10. a kind of refrigerant adjusting apparatus, it is characterised in that described device includes：
Acquisition module, the operational factor for obtaining system；
Judge module, for judging whether coolant quantity is suitable in system according to the operational factor；
Control module, for being turned on and off according to magnetic valve in judged result control system, to adjust coolant quantity.
11. device according to claim 10, it is characterised in that the operational factor at least includes：
The present mode of operation of the system, and temperature parameter.
12. device according to claim 11, it is characterised in that
The operational mode at least includes one below：Refrigeration mode, heating mode；
The temperature parameter at least includes one below：Outdoor circumstance temperature, indoor circumstance temperature, the condensation temperature of refrigerant, the evaporation of refrigerant
Temperature.
13. device according to claim 12, it is characterised in that in system present mode of operation be the situation of refrigeration mode
Under, the judge module includes：
First judging unit, in condensation temperature-outdoor the first temperature values of circumstance temperature ＞, and indoor temperature-evaporating temperature ＜
During second temperature value, determine that coolant quantity is excessive in system；
Second judging unit, if in condensation temperature-temperature values of outdoor circumstance temperature ＜ the 3rd, and indoor temperature-evaporation temperature
When spending four temperature values of ＞, determine that coolant quantity is very few in system；
3rd judging unit, if in the temperature value of three temperature values≤condensation temperature-outdoor circumstance temperature≤first, or,
During two temperature values≤indoor temperature-evaporating temperature≤four temperature value, determine that coolant quantity is suitable in system.
14. device according to claim 13, it is characterised in that in system present mode of operation be the situation of heating mode
Under, the judge module includes：
4th judging unit, in condensation temperature-temperature values of interior circumstance temperature ＞ the 5th, and outdoor temperature-evaporating temperature ＜
During six temperature values, determine that coolant quantity is excessive in system；
5th judging unit, in condensation temperature-temperature values of interior circumstance temperature ＜ the 7th, and outdoor temperature-evaporating temperature ＞
During eight temperature values, determine that coolant quantity is very few in system；
6th judging unit, in the temperature value of seven temperature values≤condensation temperature-interior circumstance temperature≤the 5th, or, the 6th temperature
During angle value≤outdoor temperature-evaporating temperature≤eight temperature value, determine that coolant quantity is suitable in system.
15. device according to claim 14, it is characterised in that the control module includes：
First control unit, for when coolant quantity is excessive in systems, opening liquid feed valve, closes liquid valve and high pressure air exhaust valve；
Wherein, the magnetic valve at least includes：The liquid feed valve, the liquid valve, the high pressure air exhaust valve；
Second control unit, for when coolant quantity is very few in systems, opening liquid valve, closes liquid feed valve and high pressure air exhaust valve；
3rd control unit, for when coolant quantity is suitable in systems, maintaining the current state of the magnetic valve.
16. device according to claim 10, it is characterised in that the operational factor also includes：Fluid reservoir in system
Pressure value；
Described device also includes：Pressure control module, for monitoring the pressure value of the fluid reservoir more than the first preset value
When, then liquid feed valve and liquid valve are closed, and open high pressure air exhaust valve；Until the pressure value of the fluid reservoir is less than the second preset value
Then close the high pressure air exhaust valve；Wherein, second pressure value described in the first pressure value ＞.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353666.9A CN107178872A (en) | 2017-05-18 | 2017-05-18 | A kind of refrigerant method of adjustment and device |
Applications Claiming Priority (1)
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