CN1415914A - Multiple air-conditioners with variable energy driven by one set - Google Patents
Multiple air-conditioners with variable energy driven by one set Download PDFInfo
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- CN1415914A CN1415914A CN 01127584 CN01127584A CN1415914A CN 1415914 A CN1415914 A CN 1415914A CN 01127584 CN01127584 CN 01127584 CN 01127584 A CN01127584 A CN 01127584A CN 1415914 A CN1415914 A CN 1415914A
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- pressure sensor
- indoor
- conditioners
- temperature sensor
- sensor
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Abstract
This invnetion provides set connecting with multiple changeable energy air-conditioners including outdoor set and indoor set composed of heat exchanger, throttle mechanism, thin tube temperature transducer, thick temperature transducer, circulating temperature sensor in which multiple indoor sets connect to outdoor set in parallel via differential tubes and connection tube features that pressure sensor is set on thick tubes of indoor sets, which can be in complex type of one high voltage; low voltage or composed of a high voltage pressure sensor or a low voltage pressure sensor.
Description
Technical field
The invention belongs to air-conditioner, is an a kind of multiple air-conditioners with variable energy driven by one set specifically.
Background technology
Existing air-conditioner sensor comprises tubule temperature sensor, extra heavy pipe temperature sensor, return air temperature sensor, and some has the saturation temperature sensor in addition.Degree of superheat during refrigeration and the degree of supercooling when heating are according to the pipe temperature rough calculation of being measured by tubule temperature sensor, saturation temperature sensor, extra heavy pipe temperature sensor.In each indoor set the flow of cold-producing medium by sensor detect this heat exchanger the degree of superheat, control by adjusting throttle mechanism, the degree of superheat is detected by saturation temperature sensor, extra heavy pipe temperature sensor; When heating in each indoor set the flow of cold-producing medium by sensor detect this heat exchanger degree of supercooling, control by adjusting throttle mechanism, degree of supercooling is detected by saturation temperature sensor, tubule temperature sensor.This scheme control is more rough.There is following problem:
1, when the tube side difference between each indoor set and off-premises station is big, because there is flow resistance in pipeline, from far and near different indoor set evaporating pressure (is example with the refrigeration) difference of off-premises station, if the degree of superheat of each heat exchanger is identical, it is different then can to cause each evaporator capacity to change, the indoor set refrigerating capacity near from off-premises station is big, and indoor unit capability far away more is poor more, and this person of being to use is undesirable.
2, when the cold-producing medium leakage appears in system, the evaporation point reach can't be guaranteed correctly to measure saturation temperature, makes flow reduce the control performance variation.
Summary of the invention
The present invention is directed to the deficiencies in the prior art and an a kind of multiple air-conditioners with variable energy driven by one set is provided, make from far and near each evaporator capacity of different indoor sets of off-premises station to change not quite, and control conveniently, accurately.
Technical scheme of the present invention is: an a kind of multiple air-conditioners with variable energy driven by one set, comprise outdoor unit and indoor units, indoor set is provided with heat exchanger, throttle mechanism, tubule temperature sensor, extra heavy pipe temperature sensor, return air temperature sensor, a plurality of indoor sets by branch pipe, connect the machine pipe and be connected on the off-premises station, it is characterized in that the extra heavy pipe of described indoor set is provided with pressure sensor.
Described pressure sensor is that 1 high pressure, low pressure are compound.
Described pressure sensor also can be by being made up of 1 high-pressure sensor and 1 low-pressure sensor.
The extra heavy pipe of air-conditioner indoor heat exchanger of the present invention is provided with pressure sensor.Accurately detect each indoor set evaporating pressure according to this pressure sensor, find evaporating temperature according to physical parameter, or the evaporating temperature that directly detects by the saturation temperature sensor.Looking into Fig. 2, is target according to all indoor unit capability homogeneous, finds the corresponding degree of superheat (being degree of supercooling when heating), and then determines and revise the aperture of electric expansion valve.Make from far and near each the different indoor set refrigeration (or heating) of off-premises station can power rate basic identical, and control is convenient, accurately.
Description of drawings
Fig. 1 is air conditioner room unit sensor fixing structure figure of the present invention;
Fig. 2 is a heat exchanger characteristic schematic diagram of the present invention.
The specific embodiment
Referring to Fig. 1, an a kind of multiple air-conditioners with variable energy driven by one set, comprise outdoor unit and indoor units, indoor set is provided with indoor heat exchanger 1, throttle mechanism-electric expansion valve 5, tubule temperature sensor 6, extra heavy pipe temperature sensor 2, return air temperature sensor, a plurality of indoor sets by branch pipe, connect the machine pipe and be connected on the off-premises station, the extra heavy pipe 4 of described indoor set is provided with pressure sensor 3.Both 1 high pressure, low pressure were compound for described pressure sensor 3; Also can form by 1 high-pressure sensor and 1 low-pressure sensor.
Claims (3)
1, an a kind of multiple air-conditioners with variable energy driven by one set, comprise outdoor unit and indoor units, indoor set is provided with heat exchanger (1), throttle mechanism, tubule temperature sensor (6), extra heavy pipe temperature sensor (2), return air temperature sensor, a plurality of indoor sets by branch pipe, connect the machine pipe and be connected on the off-premises station, it is characterized in that the extra heavy pipe (4) of described indoor set is provided with pressure sensor (3).
2,, it is characterized in that described pressure sensor (3) is that 1 high pressure, low pressure are compound according to the described multiple air-conditioners with variable energy driven by one set of claim 1.
3,, it is characterized in that described pressure sensor (3) also can be made up of 1 high-pressure sensor and 1 low-pressure sensor according to the described multiple air-conditioners with variable energy driven by one set of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011275847A CN1183363C (en) | 2001-10-30 | 2001-10-30 | Multiple air-conditioners with variable energy driven by one set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011275847A CN1183363C (en) | 2001-10-30 | 2001-10-30 | Multiple air-conditioners with variable energy driven by one set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1415914A true CN1415914A (en) | 2003-05-07 |
| CN1183363C CN1183363C (en) | 2005-01-05 |
Family
ID=4667523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011275847A Expired - Fee Related CN1183363C (en) | 2001-10-30 | 2001-10-30 | Multiple air-conditioners with variable energy driven by one set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1183363C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374056A (en) * | 2013-08-16 | 2015-02-25 | 南京天加空调设备有限公司 | Refrigerant leakage protection control method for multi-split air conditioners |
| CN105823142A (en) * | 2016-04-29 | 2016-08-03 | 宁波奥克斯电气股份有限公司 | Outdoor unit set of air conditioning variable refrigerant volume system and pressure detection method |
-
2001
- 2001-10-30 CN CNB011275847A patent/CN1183363C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374056A (en) * | 2013-08-16 | 2015-02-25 | 南京天加空调设备有限公司 | Refrigerant leakage protection control method for multi-split air conditioners |
| CN105823142A (en) * | 2016-04-29 | 2016-08-03 | 宁波奥克斯电气股份有限公司 | Outdoor unit set of air conditioning variable refrigerant volume system and pressure detection method |
| CN105823142B (en) * | 2016-04-29 | 2019-06-18 | 宁波奥克斯电气股份有限公司 | A kind of outer machine unit and pressure detection method of air conditioning multi-couple machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1183363C (en) | 2005-01-05 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20151030 |
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| EXPY | Termination of patent right or utility model |