CN2685779Y - Air conditioner flow restrictor capalbe of realizing refrigerant filling quantity dynamic control - Google Patents
Air conditioner flow restrictor capalbe of realizing refrigerant filling quantity dynamic control Download PDFInfo
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- CN2685779Y CN2685779Y CN 200420044327 CN200420044327U CN2685779Y CN 2685779 Y CN2685779 Y CN 2685779Y CN 200420044327 CN200420044327 CN 200420044327 CN 200420044327 U CN200420044327 U CN 200420044327U CN 2685779 Y CN2685779 Y CN 2685779Y
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- refrigerant
- filling quantity
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- conditioner
- valve
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Abstract
The utility model discloses an air conditioner flow restrictor capable of realizing refrigerant filling quantity dynamic control, including a controller and a refrigerant liquid storage device of which the both ends are connected with electromagnetic valves in series, and the controller is connected with the electromagnetic valves of the both ends of the refrigerant liquid storage device. When the utility model is used, the electromagnetic valves connected together in series and the refrigerant liquid storage device are connected onto the capillary pipe branch line of the air conditioning system in parallel, and when the operating condition of the air conditioning system happens change, the refrigerant liquid storage device is able to automatically regulate the actuating medium circulating quantity of the air conditioning system according to the change of the charge under the control of the electromagnetic valves of the both ends and ensure that the air conditioning system has the optimum actuating medium circulating quantity and coefficient of performance at any operating conditions so as to reach the purposes of high efficiency and energy saving.
Description
Technical field
The utility model relates to the throttling arrangement of air-conditioner, on particularly a kind of outdoor unit components that is applied in various air-conditioners, can realize the dynamically air-conditioner throttling arrangement of control of refrigerant filling quantity.
Technical background
The refrigerant filling quantity is very big to the influence of household air-conditioner, and the different operating modes of air-conditioner all exist a corresponding with it best filling quantity, and when the refrigerant filling quantity of air-conditioner was in best filling quantity, the Energy Efficiency Ratio of air-conditioner (or coefficient of performance) reached the highest.Usually, the filling quantity of air-conditioner is determined with design conditions, and actual operating condition off-design operating mode often, like this, even the air-conditioner that the best filling quantity of determining with design conditions charges system, the problem that also exists the filling quantity that produces because of working conditions change to increase relatively or reduce inevitably, thus the Energy Efficiency Ratio (or coefficient of performance) of actual motion influenced, cause the waste of energy.
Summary of the invention
The purpose of this utility model provide a kind of can be along with the variation of air-conditioning system actual condition, the refrigerant filling quantity of automatic regulating system circulation makes air-conditioner that the air-conditioner throttling arrangement of the dynamic control of the refrigerant realized filling quantity of best refrigerant filling quantity and the Energy Efficiency Ratio (or coefficient of performance) of the best all be arranged under any operating mode.
Realize that the utility model purpose technical scheme is: it includes controller, refrigerant reservoir, is in series with magnetic valve at refrigerant reservoir two ends, and controller is connected with the magnetic valve at refrigerant reservoir two ends.
Above-mentioned magnetic valve is two electromagnetic expanding valves, is connected on refrigerant reservoir two ends respectively.
Above-mentioned magnetic valve also can be two groups of magnetic valves, is connected on refrigerant reservoir two ends respectively, and every group of magnetic valve is formed in parallel by two or more magnetic valves.
The utility model in use; be cascaded magnetic valve and refrigerant reservoir are connected in parallel on the capillary branch road of air-conditioning system; when the operating mode of air-conditioning system changes; the refrigerant reservoir can be under the control of its two ends magnetic valve aperture; according to load variations; when implementing degree of superheat control; store refrigerant liquid in right amount; guarantee that air-conditioning system all has best working medium internal circulating load when any operating mode; got rid of the improper hydrops in the condenser; can reduce condensing pressure so on the one hand; can make full use of the heat exchange area of heat exchanger on the other hand; thereby improve the efficient of condenser and evaporimeter and compressor; overcome and decide the bad result that filling quantity system or the too much system of filling quantity produce when operating mode worsens, the performance of system is not changed with operating mode, avoided the problem that systematic function is descended because of filling quantity; guarantee that air-conditioning system all has best the working medium internal circulating load and the coefficient of performance when any operating mode, reach energy-efficient mouth.In addition, because the refrigerant reservoir has been sealed a certain amount of cold-producing medium up for safekeeping the equalizing pressure of internal system is reduced when shutting down, this is for the leakage that reduces working medium, prolongs air-conditioner service life, reduces the consumption of start-up course, increases the start-stop cycle all to be beneficial to.
For guaranteeing that air-conditioner has enough refrigerant filling quantity regulating powers, the volume of the utility model refrigerant reservoir when the working conditions change is 1/3～1/2 of the maximum refrigerant filling quantity of air-conditioner system.During use, moving required maximum refrigerant filling quantity with system in being equipped with air-conditioner of the present utility model fills, just can guarantee to solve effectively filling quantity filling quantity improper or that produce because of working conditions change increases or reduces the problem that causes that the household air-conditioner index descends relatively, and all there are best working medium internal circulating load and high efficiency in the assurance system when any operating mode.
The beneficial effects of the utility model are, because it can and change the refrigerant filling quantity of regulating air-conditioner at any time according to the operating mode of air-conditioner, therefore it can make air-conditioner that best refrigerant filling quantity is all arranged when any operating mode, guarantees that the Energy Efficiency Ratio of air-conditioner reaches the highest.
Description of drawings
Accompanying drawing 1 is the air conditioner circulation schematic diagram that the utility model embodiment one is installed, and has omitted controller of the present utility model among the figure.
Among the figure: compressor 1, four-way change-over valve 2, condenser 3, capillary 4, evaporimeter 5, refrigerant reservoir 6, electromagnetic expanding valve 7, electromagnetic expanding valve 8.
Accompanying drawing 2 is air conditioner circulation schematic diagrames that the utility model embodiment two is installed, and has omitted controller of the present utility model among the figure.
Among the figure: compressor 1, four-way change-over valve 2, condenser 3, capillary 4, evaporimeter 5, refrigerant reservoir 6, magnetic valve 9,10,11,12,13,14.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is described further.
Embodiment one
As shown in Figure 1, the utility model comprises controller, refrigerant reservoir 6, is in series with magnetic valve at refrigerant reservoir two ends, and controller is connected with the magnetic valve at refrigerant reservoir 6 two ends.In the present embodiment, magnetic valve is two electromagnetic expanding valves 7,8, be connected on refrigerant reservoir 6 two ends respectively, controller is electrically connected with two electromagnetic expanding valves 7,8, the volume of refrigerant reservoir 6 is 1/3～1/2 of the maximum refrigerant filling quantity of air-conditioner system, volume is crossed conference and is strengthened cost, increases volume, the too small needs that do not satisfy dynamic adjustments refrigerant filling quantity.As can be known from Fig. 1, when the utility model used, the branch road that its electric expansion valve 7,8 and refrigerant reservoir 6 are formed was connected in parallel on the capillary 4 of existing air-conditioner.During air-conditioner work, with the kind of refrigeration cycle example regulative mode of circulation (heat in contrast), its system's refrigerant of air-conditioner of the present utility model is installed two peripheral passages can be arranged, first compressor 1 → four-way change-over valve 2 → condenser 3 → capillary 4 → evaporimeter 5 → four-way change-over valve 2 → compressor 1, this peripheral passage is normal kind of refrigeration cycle; It two is compressor 1 → four-way change-over valve 2 → condenser 3 → electromagnetic expanding valve 7 → refrigerant reservoir 6 → electromagnetic expanding valve 8 → evaporimeter 5 → four-way change-over valve 2 → compressors 1, and this peripheral passage is the dynamic control loop of kind of refrigeration cycle working medium amount.Earlier the temperature sensor by air-conditioner obtains parameters such as the degree of superheat, degree of supercooling and indoor and outdoor temperature, again via controller drive electricity expansion valve 7,8 carry out servo-actuated control.The basic demand of control is: guarantee not occur before the throttling arrangement when worst hot case under the principle of gaseous refrigerant system most effective.Detailed process is as follows: when air conditioner load increases, when corresponding condensation temperature rising or evaporating temperature reduce, hydrops amount in the condenser 3 increases, degree of supercooling (2 ℃≤Tc≤5 ℃) increases near last prescribes a time limit, temperature sensor obtains parameter, and transmit signal to controller, open electric expansion valve 7,8 successively by controller, and require the aperture of electric expansion valve 8 little than electric expansion valve 7, electric expansion valve 8 plays choke valve, make reservoir 6 and high pressure UNICOM, assurance reservoir 6 can be received long-pending highly pressurised liquid; When degree of supercooling descends near down in limited time, temperature sensor obtains parameter, and transmits signal to controller, closes electric expansion valve 8,7 successively by controller, and the cold-producing medium that makes 6 li of reservoirs no longer participation system circulates; When degree of supercooling is lower than down in limited time, the hydrops amount in the condenser 3 of showing reduces or the working medium amount increase of system's needs, may occur before the expansion valve refrigerant vapour being arranged, this moment, temperature sensor obtained parameter, and transmit signal to controller, open electric expansion valve 8,7 successively by controller, and the aperture of control electric expansion valve 7 is less than electric expansion valve 8, electric expansion valve 7 plays choke valve, makes the cold-producing medium of storage put into system gradually by low-pressure end under the prerequisite that satisfies degree of superheat control; When degree of supercooling goes back up to down in limited time, close electric expansion valve 8,7 successively by temperature sensor and controller again; When the degree of superheat and degree of supercooling all meet the demands, when promptly Xun Huan working medium amount satisfied working condition requirement just, electric expansion valve 7,8 was all closed the working medium that make in the reservoir 6 and is no longer participated in kind of refrigeration cycle.So just can realize the increase or the minimizing of cycle fluid according to the load and the change dynamics ground of ambient parameter, the cycle performance that makes system is near the level of best filling quantity system under the variable working condition, got rid of that the Energy Efficiency Ratio (or coefficient of performance) that causes because of filling quantity is improper descends may, reach the energy-conservation purpose of expection.
Embodiment two
As shown in Figure 2, present embodiment has just replaced original electromagnetic expanding valve by two groups of magnetic valve groups in parallel with the difference of embodiment one, the number of every group of magnetic valve is determined by control accuracy, control accuracy is high more, the number of every group of magnetic valve is just many more, every group of magnetic valve is made as 3 in the present embodiment, magnetic valve 9,10,11 and be unified into one group of electromagnetic expanding valve 7 that replaces among the embodiment one wherein, and magnetic valve 12,13,14 and be unified into one group of electromagnetic expanding valve 8 that replaces among the embodiment one.Magnetic valve 9,10,11,12,13,14 can adopt stop valve, by-passing valve etc.Its operation principle of present embodiment and process and embodiment one are basic identical, that is: when needing liquid storage and discharge opeing, the number by controller control reservoir 6 two ends magnetic valve break-makes can realize the dynamic control of system's filling quantity.For example, require to enter number that reservoir 6 one end magnetic valves open during liquid storage more than leaving the number that reservoir 6 one end magnetic valves are opened, the magnetic valve group of leaving reservoir one end plays throttling.When reservoir 6 does not need liquid storage or discharge opeing, two magnetic valve group Close Alls.
Claims (5)
1. can realize the dynamically air-conditioner throttling arrangement of control of refrigerant filling quantity for one kind, it is characterized in that it includes controller, refrigerant reservoir (6), be in series with magnetic valve at refrigerant reservoir (6) two ends, controller is connected with the magnetic valve at refrigerant reservoir (6) two ends.
2. the dynamically air-conditioner throttling arrangement of control of refrigerant filling quantity of realizing according to claim 1, it is characterized in that above-mentioned magnetic valve is two electromagnetic expanding valves (7), (8), two electromagnetic expanding valves (7), (8) are connected on refrigerant reservoir (6) two ends respectively.
3. the dynamically air-conditioner throttling arrangement of control of refrigerant filling quantity of realizing according to claim 1, it is characterized in that above-mentioned magnetic valve is two groups of magnetic valves, these two groups of magnetic valves are connected on refrigerant reservoir (6) two ends respectively, and every group of magnetic valve is formed in parallel by two or more magnetic valves.
4. the dynamically air-conditioner throttling arrangement of control of refrigerant filling quantity of realizing according to claim 3 is characterized in that above-mentioned two groups of magnetic valves adopt stop valve or by-passing valve.
5. according to claim 1 or 2 or the 3 or 4 described dynamically air-conditioner throttling arrangements of control of refrigerant filling quantity of realizing, the volume that it is characterized in that refrigerant reservoir (6) is 1/3～1/2 of the maximum refrigerant filling quantity of air-conditioner system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044327 CN2685779Y (en) | 2004-04-05 | 2004-04-05 | Air conditioner flow restrictor capalbe of realizing refrigerant filling quantity dynamic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420044327 CN2685779Y (en) | 2004-04-05 | 2004-04-05 | Air conditioner flow restrictor capalbe of realizing refrigerant filling quantity dynamic control |
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| Publication Number | Publication Date |
|---|---|
| CN2685779Y true CN2685779Y (en) | 2005-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420044327 Expired - Fee Related CN2685779Y (en) | 2004-04-05 | 2004-04-05 | Air conditioner flow restrictor capalbe of realizing refrigerant filling quantity dynamic control |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207323A (en) * | 2010-03-31 | 2011-10-05 | 苏州三星电子有限公司 | Automatic regulating apparatus and method of refrigerant amount of air conditioner |
| CN102893096A (en) * | 2010-03-14 | 2013-01-23 | 特灵国际有限公司 | System and method for charging hvac system |
| CN104896683A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Pressure reducing device, air conditioning system and air conditioner control method and device |
| CN106247663A (en) * | 2016-08-09 | 2016-12-21 | 青岛海信日立空调系统有限公司 | A kind of water chiller-heater unit and the control method of water chiller-heater unit |
| WO2021184615A1 (en) * | 2020-03-16 | 2021-09-23 | 青岛海尔空调电子有限公司 | Control method for air conditioning system |
-
2004
- 2004-04-05 CN CN 200420044327 patent/CN2685779Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893096A (en) * | 2010-03-14 | 2013-01-23 | 特灵国际有限公司 | System and method for charging hvac system |
| CN102893096B (en) * | 2010-03-14 | 2016-01-06 | 特灵国际有限公司 | For the system and method for filled HVAC system |
| CN102207323A (en) * | 2010-03-31 | 2011-10-05 | 苏州三星电子有限公司 | Automatic regulating apparatus and method of refrigerant amount of air conditioner |
| CN104896683A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Pressure reducing device, air conditioning system and air conditioner control method and device |
| CN106247663A (en) * | 2016-08-09 | 2016-12-21 | 青岛海信日立空调系统有限公司 | A kind of water chiller-heater unit and the control method of water chiller-heater unit |
| WO2021184615A1 (en) * | 2020-03-16 | 2021-09-23 | 青岛海尔空调电子有限公司 | Control method for air conditioning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |