CN203797856U - Indoor constant-temperature constant-humidity system - Google Patents
Indoor constant-temperature constant-humidity system Download PDFInfo
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- CN203797856U CN203797856U CN201420143789.1U CN201420143789U CN203797856U CN 203797856 U CN203797856 U CN 203797856U CN 201420143789 U CN201420143789 U CN 201420143789U CN 203797856 U CN203797856 U CN 203797856U
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Abstract
The utility model provides an indoor constant-temperature constant-humidity system comprising a sensor, a primary filter, a medium-frequency filter, a cold water system, a hot water system, a steam system, a warning system, a fan and a control system. By the use of the indoor constant-temperature constant-humidity system, the defect of the prior art that the constant control and the guarantee of requirements for indoor temperature and humidity precision fail due to the fact that only a simple open loop system is used or that independent heating or independent humidifying is performed only for indoor temperature and humidity is improved; the indoor constant-temperature constant-humidity system is better in stability, quickness, accuracy and economy and applicability.
Description
Technical field
The utility model relates to a kind of constant temperature and humidity system, relates in particular to a kind of constant indoor temperature constant humidity system.
Background technology
In recent years, along with the development of China's productivity and improving constantly of scientific and technological level, the application scenario of constant temperature and humidity air-conditioning system is more and more, and humiture requires also to improve constantly.In fields such as electronics, medicine, metering, weaving, optical instrument and agricultural breedings, the precision of constant temperature and humidity system and reliability direct relation the quality of product and the accuracy of experimental result.
At present, most of constant temperature and humidity systems adopt the humiture of controlling the air quantity of hot and cold wind or directly gathering air-supply pipeline to control to adjust the open degree of valve, form an open-loop control system, but these methods cannot ensure stability, rapidity and the accuracy of system.
Toilet, fine finishining chamber etc. are stricter to the requirement of humidity and temperature, there is mutual coupling situation in the control of indoor temperature and humidity, it is the variation that the control of temperature can cause humidity, the control of humidity has caused again the variation of temperature simultaneously, and therefore indoor Temperature and Humidity Control is a kind of non-linear, time complex process of becoming of lagging behind; Simple humidification and firing equipment cannot meet its requirement, and heating that can only be simple and humidification cannot carry out a constant control, and cannot ensure the requirement of its precision.
Utility model content
In order to address the aforementioned drawbacks, the utility model provides a kind of constant indoor temperature constant humidity system, this system be by indoor Temperature and Humidity Control in certain fluctuation range, there is the advantages such as stability, rapidity, accuracy and economic serviceability.
The utility model is by the following technical solutions: a kind of constant indoor temperature constant humidity system, comprises sensor, roughing efficiency air filter, medium effeciency filter, chilled water system, hot-water heating system, vapour system, warning system, blower fan and control system;
Described warning system comprises pressure test device and the temperature-detecting device with warning function, on described roughing efficiency air filter and medium effeciency filter, is separately installed with pressure test device; Described temperature-detecting device is arranged on the pipeline between steam pipe coil and blower fan; Described chilled water system comprises chilled water coil and cold valves; Described hot-water heating system comprises hot-water coil pipe and hot water valve; Described vapour system comprises steam pipe coil and steam valve;
The direction of transfer in pipeline connects successively along return air for described roughing efficiency air filter, medium effeciency filter, chilled water system, hot-water heating system, vapour system and blower fan; Described sensor is placed in the straight length of air return pipeline, and sensor is connected respectively with the input of control system and initial filtrator, and control system output is connected with described cold valves, hot water valve and steam valve respectively.
Preferably, the output of described chilled water coil connects the input of hot-water coil pipe, and the output of described hot-water coil pipe connects the input of steam pipe coil.
Preferably, described cold valves, hot water valve and steam valve are ratio adjusting valve, and described steam valve is the steam valve with Self-resetting function.
Preferably, described control system is PID robot control system(RCS).
Apply a kind of constant indoor temperature constant humidity system, realize the control method of constant indoor temperature constant humidity, the steps include:
A. indoor return air enters air-supply pipeline;
B. the sensor being placed on air-supply pipeline gathers the temperature and humidity of return air and signal is passed to control system;
C. actual value and setting value are compared calculating by control system, and the analog signal of output is transferred to respectively in cold valves, hot water valve and steam valve;
D. return air passes through roughing efficiency air filter, medium effeciency filter successively to chilled water coil, in chilled water coil, is regulated the feed flow of chilled water coil to reduce the temperature and humidity of return air by cold valves;
E. return air is exported from chilled water coil, by hot water valve and the steam valve temperature and humidity through hot-water coil pipe and steam pipe coil return air according to the regulating error of system respectively.
F. return air is drawn back to indoor by blower fan.
The beneficial effects of the utility model are: the utility model provides a kind of constant indoor temperature constant humidity system, improve and in prior art, only used a simple open cycle system or heating or humidification that can only be single to indoor temperature and humidity, cannot carry out constant control, ensure the defect of the requirement of indoor temperature and humidity precision, improved stability, rapidity, accuracy and the economic serviceability of constant indoor temperature constant humidity system.
Brief description of the drawings
Fig. 1 is the structural representation of constant indoor temperature constant humidity system;
Fig. 2 is the control method figure of constant indoor temperature constant humidity system.
Wherein, 1, sensor, 2, roughing efficiency air filter, 3, medium effeciency filter, 4, hot-water coil pipe, 5, hot water valve, 6, steam pipe coil, 7, steam valve, 8, blower fan, 9, pressure test device, 10, temperature-detecting device, 11, chilled water coil, 12, cold valves.
Detailed description of the invention
For further understanding the utility model, with the following Examples the utility model embodiment is described:
The utility model provides a kind of constant indoor temperature constant humidity system, comprises sensor 1, roughing efficiency air filter 2, medium effeciency filter 3, chilled water system, hot-water heating system, vapour system, warning system, blower fan 8 and control system;
Described warning system comprises pressure test device 9 and the temperature-detecting device 10 with warning function, on described roughing efficiency air filter 2 and medium effeciency filter 3, is separately installed with pressure test device 9; Described temperature-detecting device 10 is arranged on the pipeline between steam pipe coil 6 and blower fan 8; Described chilled water system comprises chilled water coil 11, cold valves 12; Described hot-water heating system comprises hot-water coil pipe 4, hot water valve 5; Described vapour system comprises: steam pipe coil 6, steam valve 7;
The direction of transfer in pipeline connects successively along return air for described roughing efficiency air filter 2, medium effeciency filter 3, chilled water system, hot-water heating system, vapour system and blower fan 8; Described sensor 1 is placed in the straight length of air return pipeline, and sensor 1 is connected with the input of control system and roughing efficiency air filter, and control system output is connected with described cold valves 12, hot water valve 5 and steam valve 7 respectively.
The output of described chilled water coil 11 connects the input of hot-water coil pipe 4, and the output of described hot-water coil pipe 4 connects the input of steam pipe coil 6.
Described cold valves 12, hot water valve 5 and steam valve 7 are ratio adjusting valve, and described steam valve 7 is with 7 of the steam valves of Self-resetting function.
Described control system is PID robot control system(RCS).
Apply a kind of constant indoor temperature constant humidity system, realize the control method of constant indoor temperature constant humidity, the steps include:
A. indoor return air enters air-supply pipeline;
B. the sensor 1 being placed on air-supply pipeline gathers the temperature and humidity of return air and signal is passed to control system;
C. actual value and setting value are compared calculating by control system, and the analog signal of output is transferred to respectively in cold valves 12, hot water valve 14 and steam valve 16;
D. return air passes through roughing efficiency air filter 2, medium effeciency filter 3 successively to chilled water coil 11, in chilled water coil 11, is regulated the feed flow of chilled water coil 11 to reduce the temperature and humidity of return air by cold valves 12;
E. return air is exported from chilled water coil, by hot water valve 14 and steam valve 16 temperature and humidity through hot-water coil pipe 13 and steam pipe coil 15 return air according to the regulating error of system respectively.
F. return air is drawn back to indoor by blower fan.
The utility model provides a kind of constant indoor temperature constant humidity system, sensor is located at the straight length of air return pipeline, ensure the steady air current gathering, can fill the accuracy that ensures to gather measured value, thereby form the control system of a closed loop, according to the humiture value of returning, calculate error adjusted value by PID account form, regulate the aperture of cold valves, hot water valve and steam valve; Chilled water coil control reduces the temperature and humidity of return air, hot-water coil pipe control rising return air temperature, steam pipe coil control rising return air humidity, after return air first reduces temperature and humidity through chilled water coil simultaneously, regulate respectively the size of rising temperature and humidity according to the error of system, thereby ensure that the humiture in air feed region is constant; Control system has a set of complete warning system simultaneously; pressure test device is guaranteed the stable of air pipeline Wind pressure; pass through temperature-detecting device; avoid too much causing system out of control because of quantity of steam; if reaching alarming value will shut down; by pressure test device and temperature-detecting device, warning in advance plugged filter and quantity of steam are uprushed, and ensure air-conditioning stable operation of unit.
Claims (4)
1. a constant indoor temperature constant humidity system, is characterized in that: comprise sensor (1), roughing efficiency air filter (2), medium effeciency filter (3), chilled water system, hot-water heating system, vapour system, warning system, blower fan (8) and control system;
Described warning system comprises pressure test device (9) and the temperature-detecting device (10) with warning function, on described roughing efficiency air filter (2) and medium effeciency filter (3), is separately installed with pressure test device (9); Described temperature-detecting device (10) is arranged on the pipeline between steam pipe coil (6) and blower fan (8); Described chilled water system comprises chilled water coil (11), cold valves (12); Described hot-water heating system comprises hot-water coil pipe (4), hot water valve (5); Described vapour system comprises: steam pipe coil (6), steam valve (7);
Described roughing efficiency air filter (2), medium effeciency filter (3), chilled water system, hot-water heating system, vapour system and the direction of transfer of blower fan (8) along return air in pipeline connect successively; Described sensor (1) is placed in the straight length of air return pipeline, and sensor (1) is connected with the input of control system and roughing efficiency air filter, and control system output is connected with described cold valves (12), hot water valve (5) and steam valve (7) respectively.
2. a kind of constant indoor temperature constant humidity system as claimed in claim 1, it is characterized in that: the output of described chilled water coil (11) connects the input of hot-water coil pipe (4), the output of described hot-water coil pipe (4) connects the input of steam pipe coil (6).
3. a kind of constant indoor temperature constant humidity system as claimed in claim 1, is characterized in that: described cold valves (12), hot water valve (5) and steam valve (7) are ratio adjusting valve, and described steam valve (7) is steam valve (7) door with Self-resetting function.
4. a kind of constant indoor temperature constant humidity system as claimed in claim 1, is characterized in that: described control system is PID robot control system(RCS).
Priority Applications (1)
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CN201420143789.1U CN203797856U (en) | 2014-03-23 | 2014-03-23 | Indoor constant-temperature constant-humidity system |
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CN201420143789.1U CN203797856U (en) | 2014-03-23 | 2014-03-23 | Indoor constant-temperature constant-humidity system |
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CN201420143789.1U Expired - Fee Related CN203797856U (en) | 2014-03-23 | 2014-03-23 | Indoor constant-temperature constant-humidity system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104633794A (en) * | 2014-12-31 | 2015-05-20 | 浙江聚英风机工业有限公司 | Anti-explosion air purification treatment unit |
-
2014
- 2014-03-23 CN CN201420143789.1U patent/CN203797856U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104633794A (en) * | 2014-12-31 | 2015-05-20 | 浙江聚英风机工业有限公司 | Anti-explosion air purification treatment unit |
CN104633794B (en) * | 2014-12-31 | 2017-11-07 | 浙江聚英风机工业有限公司 | A kind of explosion-proof type air purifier group |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 116600 Jinzhou Liaoning new area double D port number 3 Road No. 8, No. Patentee after: Dalian Zhaohe environmental Polytron Technologies Inc Address before: 116600 Jinzhou Liaoning new area double D port number 3 Road No. 8, No. Patentee before: Dalian Megaunity Inc. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180323 |
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CF01 | Termination of patent right due to non-payment of annual fee |