CN100395490C - Energy saving controller for new fan unit - Google Patents
Energy saving controller for new fan unit Download PDFInfo
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- CN100395490C CN100395490C CNB2004100666540A CN200410066654A CN100395490C CN 100395490 C CN100395490 C CN 100395490C CN B2004100666540 A CNB2004100666540 A CN B2004100666540A CN 200410066654 A CN200410066654 A CN 200410066654A CN 100395490 C CN100395490 C CN 100395490C
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- blower fan
- new blower
- relay
- energy
- control device
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Abstract
The present invention relates to an energy saving control device for fresh air generating units, which belongs to the technical field of air conditioners and solves various problems caused by that the water flow of cold media and the water flow of hot media of the existing fresh air generating units can not be controlled separately. The energy saving control device for fresh air generating units is arranged on the fresh air generating units and comprises an electric control valve which is connected in the condenser pipelines of the fresh air generating units in series and is used for controlling the water flow of cold media and the water flow of hot media in a condenser and a control circuit which is used for controlling the opening, the closing and the opening degree of the electric control valve. The control circuit is provided with a temperature sensor and a temperature control unit, wherein the temperature control unit and the temperature sensor are connected and send out different electrical signals used for controlling the electric control valve after contrasting measured temperature and preset temperature. The control circuit is provided with a main switch, an open relay and a close relay. The energy saving control device for fresh air generating units has the advantages of obvious energy saving effects, automatic control, constant temperature output, etc.
Description
Technical field
The invention belongs to air-conditioning technical field, the energy-saving control device of new blower fan group in particularly a kind of air-conditioning system.
Background technology
Have in the central air-conditioning building in hotel, hotel, hospital, factory, school etc., the energy consumption of air-conditioning system accounts for 60-70%.According to statistics, the air-conditioning system of buildings such as restaurant load had 80% left and right sides time below 50% the whole year, and its air-conditioning equipment most of the time is to work under sub-load.Simultaneously, the idle loop of central air-conditioning refrigerant or heat medium water and cause the wasting phenomenon of a large amount of energy very general.How air-conditioning equipment being carried out Energy Saving Control, guarantee the energy-saving run of air-conditioning equipment under sub-load, is to reduce air conditioning energy consumption, realizes the key problem of air conditioner energy saving.
In central air conditioner system, the effect of new blower fan group be with outdoor fresh air under the drive of blower fan, after the condenser heat exchange, send into indoor.Like this, both can obtain ozone, and can make indoor temperature reach the value that sets again.
In existing new blower fan group,, also be by the unified control of central air conditioner system by the hot and cold matchmaker's discharge in the condenser, and do not have subregion control because condenser is connected in the whole central air conditioner system.But when reality is used and since the new blower fan group in each zone in use between and all variant on the design temperature, therefore will inevitably cause a large amount of hot and cold matchmaker's water wastes, the energy consumption of air-conditioning system is improved.
In addition, the regular variation of outdoor temperature also directly has influence on the new wind-warm syndrome degree in the inlet chamber, makes indoor environment sometimes hot and sometimes cold, can not keep constant temperature.Like this, not only the user feels uncomfortable, and can cause the waste of the energy.
Summary of the invention
The objective of the invention is at the problems referred to above, a kind of energy-saving control device of new blower fan group is provided, the temperature that it can set according to indoor environment, the subregion is controlled the flow of hot and cold matchmaker's water in the condenser automatically, not only make indoor environment keep constant temperature, and have obvious energy-saving effect.
The objective of the invention is to realize by following technical proposal: the energy-saving control device of this new blower fan group is arranged at new blower fan group place, it is characterized in that, it comprise be used to control in the condenser in the condenser pipe that is serially connected with new blower fan group cold, the electric control valve of heat medium water flow and a control circuit that is used to control electric control valve switching and opening degree, temperature sensor and temperature controller are arranged in the control circuit, and temperature controller joins with temperature sensor and the temperature by its temperature that records and setting is sent the signal of telecommunication that electric control valve is controlled in different being used to after comparing.
In the energy-saving control device of above-mentioned new blower fan group, be provided with a master switch in the described control circuit.
In the energy-saving control device of above-mentioned new blower fan group, also have two relays in the described control circuit: open relay and closed relay, one end of master switch and the live wire of power supply join, the other end and temperature controller join, the lower limit output of temperature controller be connected on the ground wire after the coil of opening relay connects, become first loop of this control circuit; The upper limit output of temperature controller be connected on the ground wire after the coil of closed relay connects, become second loop of this control circuit; An end of normally opened contact of opening the normally opened contact of relay and closed relay is respectively with the unlatching contact of electric control valve with close contact and join, the other end is connected on the other end of master switch, the ground contact of electric control valve is connected on the ground wire, becomes the tertiary circuit of this control circuit.
In the energy-saving control device of above-mentioned new blower fan group, described temperature sensor is loaded on new blower fan group ajutage place.
Sensor is provided with the ajutage place of new blower fan group, just can measures the new wind-warm syndrome degree in the inlet chamber.Because temperature sensor joins with temperature controller, so temperature controller can compare temperature signal and the range of set temperature that temperature sensor obtained, export the different signals of telecommunication, control electric control valve, realize that electric control valve does not have the pole-change bore and carries out the control of unsteady flow amount, to regulate the flow of hot and cold matchmaker's water in the condenser.
In the energy-saving control device of above-mentioned new blower fan group, described temperature controller is the bound temperature controller.The upper and lower bound of temperature can be set on temperature controller.When in the bound scope that temperature value that temperature sensor is gathered is being set, temperature controller is not exported the signal of telecommunication; When the temperature value of gathering when temperature sensor exceeded the bound scope of setting, the upper limit output or the lower limit output of temperature controller will be exported the signal of telecommunication.
In the energy-saving control device of above-mentioned new blower fan group, described unlatching relay and closed relay are the time relay, have behind its coil electricity the feature of another setting-up time of automatic disconnection again behind normally opened contact conducting one setting-up time.
Usually, the above-mentioned unlatching relay and the conducting setting-up time of closed relay far are shorter than the disconnection setting-up time.
Compared with prior art, the energy-saving control device of this new blower fan group is owing to can carry out hot and cold matchmaker's water unsteady flow amount control separately to new blower fan group in the subregion, at any time regulate its flow size, the hot and cold matchmaker's water that enters condenser is fully used, waste is reduced to minimum limit, and energy-saving effect is obvious.Simultaneously, sensor is provided with the ajutage place of new blower fan group, can regulates at any time, finally reach the purpose of constant temperature output, improved the comfortableness that new blower fan group is used according to the temperature of new wind and the difference between the design temperature.On the other hand, this energy-conservation control device does not need manually-operated owing to control automatically by the control circuit of being made up of parts such as temperature controller, temperature sensor, relays, and is therefore easy to use, has higher utility.
This energy-conservation device can be widely used in the central air conditioner systems such as hotel, hotel, hospital, factory, school, has obvious energy-saving effect.
Description of drawings
Fig. 1 is a control circuit electrical schematic diagram in the energy-saving control device of this new blower fan group.
Fig. 2 is the structural representation of the energy-saving control device of this new blower fan group.
Among the figure, 1, blower fan; 2, condenser; 3, feed tube; 4, drain pipe; 5, blast pipe; 6, ajutage.
The specific embodiment
As shown in Figure 2, in new blower fan group, extraneous air under the drive of blower fan 1 by blast pipe 5 by behind the condenser 2, in ajutage 6 inlet chambers.Air carries out heat exchange by condenser 2, makes its temperature reach a more suitable degree.The energy-saving control device of this new blower fan group is arranged at new blower fan group place exactly.
The energy-saving control device of this new blower fan group comprises electric control valve M and control circuit.In the present embodiment, electric control valve M is serially connected with on the feed tube 3 of condenser 2.In the present embodiment, electric control valve M is floating type electric control valve.The other end at condenser 2 also has drain pipe 4.Like this, the hot and cold matchmaker's water in the pipeline just can pass through condenser 2.
Control circuit is used to control the open and-shut mode of electric control valve M and the size of unlatching.As shown in Figure 1, temperature sensor T, temperature controller D, master switch S, unlatching relay J 1 and closed relay J2 are arranged in the control circuit.The end h of master switch S and the live wire of power supply join, and other end g and temperature controller D join, the lower limit output b of temperature controller D be connected on the ground wire after the coil J1 that opens relay connects, become first loop of this control circuit; The upper limit output c of temperature controller D be connected on the ground wire after the coil J2 of closed relay connects, become second loop of this control circuit; The end of normally opened contact J2 of opening the normally opened contact J1 of relay and closed relay is respectively with the unlatching contact d of electric control valve M with close contact e and join, the other end is connected on the other end g of master switch S, the ground contact f of electric control valve M is connected on the ground wire, becomes the tertiary circuit of this control circuit.
Temperature sensor T is provided with ajutage 6 places of new blower fan group, and joins by lead and temperature controller D.The temperature data that records by temperature sensor T is sent on the temperature controller D with the form of the signal of telecommunication.
In the present embodiment, used temperature controller D is the bound temperature controller.After control circuit work, temperature controller D compares temperature signal and the range of set temperature that temperature sensor T is obtained.When actual temperature value exceeds the lower-limit point of temperature controller D setting range, the lower limit output b conducting of temperature controller D, electric current makes the first loop conducting of this control circuit by opening the coil J1 of relay.At this moment, open the also conducting of normally opened contact J1 of relay, electric current passes through electric control valve M, the tertiary circuit conducting of this control circuit by the unlatching contact d of electric control valve M, make electric control valve M towards the opening direction rotational valve core, increase the flow that feed tube 3 interior hot and cold matchmaker's water pass through condenser 2.In the present embodiment, open relay J 1 and closed relay J2 and be the time relay, and have after its coil J1, J2 energising, the feature of another setting-up time of automatic disconnection again behind normally opened contact J1, J2 conducting one setting-up time.In the present embodiment, the ON time that normally opened contact J1 sets was 3 seconds, and the setting-up time of disconnection is 5 minutes.That is to say, make electric control valve M after 3 seconds, have to continue 5 minutes turn-off time towards the opening direction rotational valve core.After 5 minutes, the temperature signal that is obtained according to temperature sensor T is decided again.When if the temperature of this stylish wind still sets the lower-limit point of scope above temperature controller D, the flow that the hot and cold matchmaker's water that passes through condenser 2 is described is big inadequately, the then still conducting of lower limit output b of temperature controller D, normally opened contact J1 conducting again disconnected after 3 seconds, electric control valve M is continued towards the opening direction rotational valve core, further increase hot and cold matchmaker's discharge by condenser 2; If the temperature of this stylish wind has reached in the scope that temperature controller D sets, then the lower limit output b of temperature controller D and upper limit output c all do not have electric current to pass through, and electric control valve M keeps the opening of this moment constant; When if the temperature of this stylish wind surpasses the upper change point that temperature controller D sets, the then upper limit output c conducting of temperature controller D, just second loop of this control circuit is in conducting state.In the case, the coil J2 of closed relay has electric current to pass through, make the normally opened contact J2 of shut-in time relay be in the time that conducting one is set, electric current is closed contact e by electric control valve M by electric control valve M's, the tertiary circuit conducting of this control circuit, make electric control valve M towards the closing direction rotational valve core, to reduce hot and cold matchmaker's discharge by feed tube 3 and condenser 2.Also be the feature of utilizing the above-mentioned time relay, the normally opened contact J2 of closed relay disconnects 5 minutes again after 3 seconds of conducting.Then, also be temperature according to new wind after 5 fens kinds, determine the output signal of temperature controller D again, finally reach constant temperature air-supply and purpose of energy saving.
After experiment showed, the energy-saving control device that adopts this new blower fan group, its energy-saving effect can reach 60%.
Claims (10)
1. the energy-saving control device of a new blower fan group, be arranged at new blower fan group place, it is characterized in that, it comprises that the electric control valve M that is used to control hot and cold matchmaker's discharge in the condenser (2) in condenser (2) pipeline that is serially connected with new blower fan group and one are used to control that electric control valve M opens and closes and the control circuit of opening degree, temperature sensor T and temperature controller D are arranged in the control circuit, and temperature controller D joins with temperature sensor T and the temperature by its temperature that records and setting is sent the signal of telecommunication that electric control valve M is controlled in different being used to after comparing.
2. the energy-saving control device of new blower fan group according to claim 1 is characterized in that, is provided with a master switch S in the described control circuit.
3. the energy-saving control device of new blower fan group according to claim 2, it is characterized in that, also have two relays in the described control circuit: open relay J 1 and closed relay J2, the end h of master switch S and the live wire of power supply join, other end g and temperature controller D join, the lower limit output b of temperature controller D be connected on the ground wire after the coil J1 that opens relay connects, become first loop of this control circuit; The upper limit output c of temperature controller D be connected on the ground wire after the coil J2 of closed relay connects, become second loop of this control circuit; The end of normally opened contact J2 of opening the normally opened contact J1 of relay and closed relay is respectively with the unlatching contact d of electric control valve M with close contact e and join, the other end is connected on the other end g of master switch S, the ground contact f of electric control valve M is connected on the ground wire, becomes the tertiary circuit of this control circuit.
4. according to the energy-saving control device of claim 1,2 or 3 described new blower fan groups, it is characterized in that described temperature sensor T is loaded on new blower fan group ajutage (6) and locates.
5. the energy-saving control device of new blower fan group according to claim 4 is characterized in that, described temperature controller D is the bound temperature controller.
6. the energy-saving control device of new blower fan group according to claim 4, it is characterized in that, described unlatching relay J 1 and closed relay J2 are the time relay, has after its coil J1, J2 energising the feature of another setting-up time of automatic disconnection again behind normally opened contact J1, J2 conducting one setting-up time.
7. the energy-saving control device of new blower fan group according to claim 5, it is characterized in that, described unlatching relay J 1 and closed relay J2 are the time relay, has after its coil J1, J2 energising the feature of another setting-up time of automatic disconnection again behind normally opened contact J1, J2 conducting one setting-up time.
8. according to the energy-saving control device of claim 6 or 7 described new blower fan groups, it is characterized in that the conducting setting-up time of described unlatching relay J 1 and closed relay J2 far is shorter than the disconnection setting-up time.
9. the energy-saving control device of new blower fan group according to claim 4 is characterized in that, described electric control valve M is serially connected with on the feed tube (3) of condenser (2).
10. the energy-saving control device of new blower fan group according to claim 4 is characterized in that, described electric control valve M is floating type electric control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100666540A CN100395490C (en) | 2004-09-24 | 2004-09-24 | Energy saving controller for new fan unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100666540A CN100395490C (en) | 2004-09-24 | 2004-09-24 | Energy saving controller for new fan unit |
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| Publication Number | Publication Date |
|---|---|
| CN1587845A CN1587845A (en) | 2005-03-02 |
| CN100395490C true CN100395490C (en) | 2008-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100666540A Expired - Fee Related CN100395490C (en) | 2004-09-24 | 2004-09-24 | Energy saving controller for new fan unit |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865507A (en) * | 2009-04-20 | 2010-10-20 | 陈建平 | Air conditioner system energy saving method and device |
| CN106403630A (en) * | 2016-09-14 | 2017-02-15 | 成都中光电科技有限公司 | Temperature adjusting device for wall cooling fan for thin film transistor-liquid crystal display (TFT-LCD) liquid crystal glass |
| CN115542824B (en) * | 2022-12-02 | 2023-04-14 | 广州市创博机电设备安装有限公司 | Central air conditioning unit control method and system based on energy consumption management and control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055200U (en) * | 1989-02-03 | 1990-03-28 | 华思哲 | Temp. controlling wind flow device used in fan coil pipe |
| JPH08210739A (en) * | 1995-02-06 | 1996-08-20 | Matsushita Electric Ind Co Ltd | Motor-operated expansion valve control device for air-conditioner |
| CN2256515Y (en) * | 1996-03-06 | 1997-06-18 | 武汉港龙实业有限公司空调设备分公司 | Furry controller for fan-coil air conditioner |
-
2004
- 2004-09-24 CN CNB2004100666540A patent/CN100395490C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055200U (en) * | 1989-02-03 | 1990-03-28 | 华思哲 | Temp. controlling wind flow device used in fan coil pipe |
| JPH08210739A (en) * | 1995-02-06 | 1996-08-20 | Matsushita Electric Ind Co Ltd | Motor-operated expansion valve control device for air-conditioner |
| CN2256515Y (en) * | 1996-03-06 | 1997-06-18 | 武汉港龙实业有限公司空调设备分公司 | Furry controller for fan-coil air conditioner |
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|---|---|
| CN1587845A (en) | 2005-03-02 |
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Inventor after: Zhang Xingxing Inventor before: Ma Kaicong |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160202 Address after: 317600, Yuhuan County, Zhejiang Province, Hong Kong foreshore industrial zone Patentee after: Taizhou Kaitao Valve Co., Ltd. Address before: 317605 Zhejiang province Yuhuan County Truman Zhen Nan Xing Xi Lu the Great Wall Hotel Patentee before: Guanghui Automatic Control Science and Technology Co., Ltd., Taizhou |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20160924 |