CN201926077U - Frequency conversion air-conditioner - Google Patents
Frequency conversion air-conditioner Download PDFInfo
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- CN201926077U CN201926077U CN2010206901348U CN201020690134U CN201926077U CN 201926077 U CN201926077 U CN 201926077U CN 2010206901348 U CN2010206901348 U CN 2010206901348U CN 201020690134 U CN201020690134 U CN 201020690134U CN 201926077 U CN201926077 U CN 201926077U
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Abstract
The utility model discloses a frequency conversion air-conditioner, which adopts detection devices independently arranged and used for detecting outdoor temperature and pipeline refrigerant pressure, and adopts methods as follows: the rotating speed of a condensation fan and the heat exchange area of refrigerant passing through a condenser are combination-adjusted and controlled, so that the heat exchange quantity on the condensation side is pointedly reduced, the pressure of the condensed refrigerant running for refrigeration in a high/low temperature state is effectively improved, a compressor can run within a reliable parameter range and protected against damage. The frequency conversion air-conditioner includes an indoor unit and an outer unit, as well as a refrigerant circulating pipeline connecting the indoor unit with the outdoor unit; the outdoor unit includes the compressor, the condenser, the condensation fan and a throttling device; and the indoor unit includes an evaporator and an evaporation fan. A group of electromagnetic valves is arranged at an inlet/outlet of at least one refrigerant pipeline of the condenser; and a temperature sensor used for sensing the external environmental temperature and sending the sensed temperature value to a control system is arranged on one side of the outdoor unit.
Description
Technical field
The utility model relates to a kind of transducer air conditioning that is applied to take the whole year refrigerating operaton place, belongs to air-conditioning and Refrigeration Engineering technical field.
Background technology
The air-conditioner of selling on the existing domestic market and using adopts the energy-saving and frequency-variable technology at large, to form the operate power of regulating compressor and other radiating elements with the outdoor environment temperature difference according to indoor, realizes the optimization proportioning of energy consumption and system load.
Under conditions such as the continuous use whole year, as the totally enclosed type communication base station, no matter how ambient temperature changes (as reaching subzero twenty or thirty degree), and inside of base station all need be set in the refrigerating operaton pattern.The outdoor temperature testing result of existing transducer air conditioning is based on the temperature detection value of outdoor condenser coil surface, generate condensing pressure numerical value with simulation, and then as the foundation of regulating and control the condensation fan speed of service, in the hope of reaching the purpose that reduces condensing heat-exchange.
But, after in outdoor temperature is reduced to low scope, even stop the running of condensation fan, only be that the heat of copper pipe, fin and the heat exchange of external environment cross-ventilation by condenser surface is still bigger, more easily cause the pressure behind the system pipeline internal condensation to descend too much.When the refrigerant force value is lower than compressor and allows critical field, will directly cause impaired in the compressor operating process, shorten the service life of compressor.
In addition, simulating system pipeline pressure by the Temperature numerical that detects the condenser surface coil pipe is inaccurate.Particularly under outdoor low temperature environment, coil temperature deviates from actual pipe interior cold-producing medium true temperature, pressure must be bigger, and control accuracy is relatively poor, also directly has influence on the system energy consumption control of refrigerating operaton
In view of this, the special patent application that proposes at refrigerating operaton method under the low-temperature condition and air-conditioner architecture advances.
The utility model content
Transducer air conditioning described in the utility model; its purpose of design is to solve the problem that above-mentioned prior art exists and takes to be provided with separately outdoor temperature and detect checkout gear and method with pipeline refrigerant pressure detecting; regulate and the flow through heat exchange area of condenser of rotating speed, the refrigerant of control condensation fan by combination; with the heat exchange amount that reduces condensation side pointedly, improve the condensed refrigerant pressure of refrigerating operaton under the low-temperature condition effectively; in the hope of guaranteeing compressor operating in the reliable parameter scope, the protection compressor is not damaged.
Another purpose of design is, by accurate perception ambient temperature and pipeline internal pressure, forming the control foundation of regulating the condensation fan rotating speed, with the precision that improves control system with reduce system energy consumption further.
For realizing above-mentioned purpose of design, described transducer air conditioning mainly includes:
Indoor set is with off-premises station and be connected indoor set and the medium circulation pipeline of off-premises station;
Off-premises station has compressor, condenser, condensation fan and throttling arrangement;
Indoor set has evaporimeter and evaporation fan.
The difference part of prior art is that the import and export at least one road of condenser refrigerant pipeline is provided with one group of magnetic valve;
Be provided with a perception ambient temperature and send the temperature sensor of institute's sense temperature numerical value to control system in off-premises station one side.
As above-mentioned basic scheme feature, take temperature sensor to compare to and come the simulation system loine pressure by coil temperature numerical value, can reflect system pressure variation tendency and amplitude under the low temperature state more accurately.
With the flow through effective area of condenser of solenoid control refrigerant, directly and effectively reduce the heat exchange amount of condensation side, comparatively help improving the system's operating pressure under the low temperature.
For more directly changing the heat exchange amount of regulating condensation side according to condensed refrigerant pressure, the further improvement project that can take is, in the exit of the refrigerant pipeline of condenser, the inner refrigerant pressure of a perception pipeline is set and sends the pressure switch of institute's sensed pressure numerical value to control system.
Adopt pressure switch control condensation fan rotating speed and utilize magnetic valve to change these the two kinds of combination measures of condensation side heat exchange area, can jointly reduce the heat exchange amount of condensation side, more can be applicable to the compressor operating protection under ultra-low temperature surroundings and the weather conditions.
Based on design concept of the present utility model, can do following optimization and improvement at the control system of transducer air conditioning, promptly control system mainly includes:
Controller chip,
The control module of control compressor, condensation fan, evaporation fan, magnetic valve and power supply,
And the temperature sensor module and the pressure switch module that receive temperature sensor and pressure switch perception data.
As above content, the advantage that transducer air conditioning described in the utility model has is:
1, regulate by combination and the flow through heat exchange area of condenser of rotating speed, the refrigerant of control condensation fan, realize reducing pointedly the heat exchange amount of condensation side, can guarantee compressor operating in the reliable parameter scope, that compressor is difficult for is impaired, service life is longer.
2, by accurate perception ambient temperature and pipeline internal pressure, the control accuracy of regulating the condensation fan rotating speed is higher, helps improving the precision of control system and reduces system energy consumption.
Description of drawings
Now the utility model is done further explanation and explanation in conjunction with following accompanying drawing.
Fig. 1 is the system architecture schematic diagram of described transducer air conditioning;
Fig. 2 is the control flow chart of refrigerating operaton method;
Fig. 3 is the schematic diagram of described control system;
As shown in Figure 1 to Figure 3, evaporation fan 1, evaporimeter 2, magnetic valve 3, condenser 4, temperature sensor 5, condensation fan 7, compressor 8, pressure switch 9, throttling arrangement 10, medium circulation pipeline 11.
The specific embodiment
Embodiment 1, and as shown in Figure 1, the transducer air conditioning that present embodiment provides mainly includes, and indoor set is with off-premises station and be connected indoor set and the medium circulation pipeline of off-premises station 11.
Off-premises station has compressor 8, condenser 4, condensation fan 7 and throttling arrangement 10;
Indoor set has evaporimeter 2 and evaporation fan 1.
At the import and export of the top of condenser 4 one road refrigerant pipeline, be provided with one group of magnetic valve 3.
Be provided with a perception ambient temperature and send the temperature sensor 5 of institute's sense temperature numerical value to control system in off-premises station one side.
In the exit of the refrigerant pipeline of condenser 4, the inner refrigerant pressure of a perception pipeline is set and sends the pressure switch 9 of institute's sensed pressure numerical value to control system.
As shown in Figure 3, described control system includes controller chip, and,
The control module of control compressor 8, condensation fan 7, evaporation fan 1, magnetic valve 3 and power supply,
Receive the temperature sensor module and the pressure switch module of temperature sensor 5 and pressure switch 9 perception datas.
As shown in Figure 2, the refrigerating operaton method of transducer air conditioning is to take under the refrigerating operaton pattern at air-conditioner, by temperature sensor 5 perception and send the ambient temperature numerical value of institute's perception to control system;
When outdoor actual temperature T＜T1, T1 is setting value, sends refrigerant pressure value in the medium circulation pipeline 11 of institute's perception by pressure switch 9 perception and to control system;
When refrigerant actual pressure P＜P1, P1 is setting value, sends instruction and control condensation fan 7 runs on lower-speed state by control system;
When outdoor actual temperature T＜T2, T2 is setting value, and T2＜T1 sends instruction and control magnetic valve 3 cuts out by control system, passes through from the pipeline that magnetic valve 3 is set to stop refrigerant.
As shown in Figure 3, described control system includes controller chip,
Controller chip is controlled the running status of parts separately respectively by compressor control module, evaporation fan control module and energy supply control module;
Based on the perception data that receives temperature sensor 5, by the running status of controller chip by condensation fan control module control condensation fan 7;
Based on the perception data that receives pressure switch 9, by the running status of controller chip by solenoid control module controls magnetic valve 3.
More than being given in conjunction with the accompanying drawings embodiment, only is the preferred version of realizing the utility model purpose of design.For one of ordinary skill in the art, can take a hint in view of the above, and direct derivation goes out to meet other replacement of same design design, also should belong to rights protection scope described in the utility model.
Claims (3)
1. transducer air conditioning includes indoor set with off-premises station and be connected indoor set and the medium circulation pipeline of off-premises station (11);
Off-premises station has compressor (8), condenser (4), condensation fan (7) and throttling arrangement (10);
Indoor set has evaporimeter (2) and evaporation fan (1), it is characterized in that:
Import and export at least one road of condenser (4) refrigerant pipeline is provided with one group of magnetic valve (3);
Be provided with a perception ambient temperature and send the temperature sensor (5) of institute's sense temperature numerical value to control system in off-premises station one side.
2. transducer air conditioning according to claim 1 is characterized in that: in the exit of the refrigerant pipeline of condenser (4), the inner refrigerant pressure of a perception pipeline is set and sends the pressure switch (9) of institute's sensed pressure numerical value to control system.
3. transducer air conditioning according to claim 2 is characterized in that: described control system includes,
Controller chip,
The control module of control compressor (8), condensation fan (7), evaporation fan (1), magnetic valve (3) and power supply,
And the temperature sensor module and the pressure switch module that receive temperature sensor (5) and pressure switch (9) perception data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206901348U CN201926077U (en) | 2010-12-30 | 2010-12-30 | Frequency conversion air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206901348U CN201926077U (en) | 2010-12-30 | 2010-12-30 | Frequency conversion air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926077U true CN201926077U (en) | 2011-08-10 |
Family
ID=44429924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206901348U Expired - Lifetime CN201926077U (en) | 2010-12-30 | 2010-12-30 | Frequency conversion air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201926077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563818A (en) * | 2010-12-30 | 2012-07-11 | 海信（山东）空调有限公司 | Inverter air conditioner and refrigerating operation method thereof |
| CN106507644A (en) * | 2016-11-23 | 2017-03-15 | 深圳市艾特网能技术有限公司 | The refrigeration system of equipment cabinet server and the control method using the cooling system |
| CN107449170A (en) * | 2017-06-30 | 2017-12-08 | 多路发环境净化技术(福建)有限公司 | A kind of multi-stage variable coolant system |
| CN113757826A (en) * | 2020-06-05 | 2021-12-07 | 青岛海信日立空调系统有限公司 | Top air-out type air conditioner outdoor unit |
-
2010
- 2010-12-30 CN CN2010206901348U patent/CN201926077U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563818A (en) * | 2010-12-30 | 2012-07-11 | 海信（山东）空调有限公司 | Inverter air conditioner and refrigerating operation method thereof |
| CN102563818B (en) * | 2010-12-30 | 2013-12-11 | 海信（山东）空调有限公司 | Inverter air conditioner and refrigerating operation method thereof |
| CN106507644A (en) * | 2016-11-23 | 2017-03-15 | 深圳市艾特网能技术有限公司 | The refrigeration system of equipment cabinet server and the control method using the cooling system |
| CN106507644B (en) * | 2016-11-23 | 2018-09-21 | 深圳市艾特网能技术有限公司 | The refrigeration system of equipment cabinet server and the control method for utilizing the cooling system |
| CN107449170A (en) * | 2017-06-30 | 2017-12-08 | 多路发环境净化技术(福建)有限公司 | A kind of multi-stage variable coolant system |
| CN113757826A (en) * | 2020-06-05 | 2021-12-07 | 青岛海信日立空调系统有限公司 | Top air-out type air conditioner outdoor unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |