CN203533797U - Central air-conditioning energy-saving system based on temperature fields - Google Patents
Central air-conditioning energy-saving system based on temperature fields Download PDFInfo
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- CN203533797U CN203533797U CN201320425722.2U CN201320425722U CN203533797U CN 203533797 U CN203533797 U CN 203533797U CN 201320425722 U CN201320425722 U CN 201320425722U CN 203533797 U CN203533797 U CN 203533797U
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- central air
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- conditioning energy
- air conditioner
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Abstract
The utility model relates to an air-conditioning system and discloses a central air-conditioning energy-saving system based on temperature fields. The system comprises a central air-conditioning host machine (15), N temperature nodes (10) used for collecting temperature, L terminal control devices (11) used for temperature control, and an internet gateway device (14), wherein N and L are natural numbers, the N temperature nodes (10) and the L terminal control devices (11) are arranged inside a building and are both connected with the central air-conditioning host machine (15) through the internet gateway device (14), the N temperature nodes (10) transmits collected temperature data to the central air-conditioning host machine (15) through the internet gateway device (14), and the central air-conditioning host machine (15) generates control commands according to the temperature data and transmits the control commands to each terminal control device (11) through the internet gateway device (14), so as to control temperature in corresponding space to rise or lower. Therefore, the temperature fields of the building tend to be uniform, the temperature is enabled to be within an optimal comfortable range, and thus the aims of comfort, health and energy conservation are achieved.
Description
Technical field
The utility model relates to air-conditioning system, particularly central air-conditioning energy-saving system.
Background technology
Existing central air conditioner system, is that the mode that connects a plurality of end-equipments (fan coil) by air channel or hot water pipe by one or more main frame is controlled different rooms, regulates the device of object to reach room air.As shown in Figure 1.As follows shown in each numbering in Fig. 1: 1, room; 2, compressor, 3, chilled water pipe; 4, refrigerating water pump; 5, chilled water; 6, chilled water pipe; 7, coolant pump; 8, cooling water; 9, cooling tower.
At present, central air-conditioning temperature regulating measure, is by gathering air outlet temperature and return air inlet temperature, and the mode of utilizing automatic or manual end to control is carried out the temperature in each room and controlled.Air channel/hot water pipe length of central air-conditioning is longer, is generally the fan coil up to distal-most end from central air conditioner main machine, through all rooms that need to carry out air conditioning.Every through a room, just done a heat exchange, this room temperature reduces/raises, and the corresponding central air-conditioning pipe temperature that causes raises/reduces; More past far-end, the temperature of central air-conditioning pipe is more and more higher (refrigeration) or more and more lower (heating) just.Thereby cause and be positioned at that the space air regulating effect of central air-conditioning pipe front end is good, the poor phenomenon of rear end space air regulating effect.Along with the increase of distance, the variations in temperature of central air conditioner blast tube road/hot water pipe can be increasing, and from temperature field situation map, the temperature of near-end is lower, and human body sensory is uncomfortable; And the temperature of far-end is higher, human body sensory is also uncomfortable.
In order to improve this deficiency of temperature field disunity, the general cooling water pump of central air conditioning system and the capacity of cooling blower are selected according to building design maximum thermic load, and leave certain design margin, but water pump and blower fan are all full speed running under power frequency state throughout the year, adopt the mode of throttling or backflow to come adjust flux or air quantity, produce a large amount of throttling or return loss, and for water pump or blower motor, because it is full speed running under power frequency, therefore caused the waste greatly of energy.
In addition, existing central air-conditioning energy means are generally to adopt the mode that motor is made that changes.In the circulatory system (coolant pump, refrigerating water pump and cooling blower) of central air-conditioning, carry out frequency conversion system transformation, utilizing converter technique to change motor speed comes the variation of adjust flux and pressure to be used for replacing valve controlling flow amount, obtain energy-saving effect, but cost is larger, be equivalent to a set of central air conditioner system newly-built.
Utility model content
The technical problems to be solved in the utility model has been to provide a kind of central air-conditioning energy-saving system based on temperature field, and this system can make the temperature field in central air-conditioning regulation and control region unified, and more energy-conservation.
For addressing the above problem, the utility model provides a kind of central air-conditioning energy-saving system based on temperature field, this central air-conditioning energy-saving system comprises central air conditioner main machine, N the temperature nodes for collecting temperature, L is individual for carrying out temperature controlled end control appliance, network, and described N, L are natural number; Wherein, a described N temperature nodes and L end control appliance are laid in interior of building, a described N temperature nodes is all connected with described central air conditioner main machine by described network with L end control appliance, described in each, temperature nodes is given described central air conditioner main machine by the temperature data gathering by described Internet Transmission, described central air conditioner main machine is the control command generating according to described temperature data, by described Internet Transmission, gives end control appliance described in each.
Compared with prior art, in the utility model, described central air conditioner main machine receives the temperature data that the interior described temperature nodes of laying of building collects, through described central air conditioner main machine, described temperature data is generated to control command, through described network, described control command is being uploaded to each end control appliance in described building, the temperature in corresponding space is raise or reduce, make building temperature field trend unified, and make this temperature in best human body comfort standard, reach comfortable, healthy object, and, the temperature nodes that the utility model relates to, data transmit-receive in central air conditioner main machine, data processing and network and end control appliance only need to increase and just can realize on original central air conditioner system basis, easy, fast, low consumption.
Preferably, described temperature nodes and end control appliance are laid between each independent housing or public domain in building, so just make central air conditioner main machine can obtain more accurately the temperature data in whole building regional, and then more effectively control the unification in temperature field in whole building.
As further improvement of the utility model, can air-valve and wind speed control valve be set at central air conditioner system fan coil and air outlet blower fan place, and end control appliance is installed, this air-valve and wind speed control valve regulate and control through end control appliance, further the temperature in balance building.
As of the present utility model, further improve, data collector is also for receiving the equipment state that temperature nodes reports described in each, and the described equipment state receiving is sent to described data processor, the duty that judges temperature nodes described in each for described data processor, whether watch-dog there is problem at any time.
As another improvement of the present utility model, can between described central air conditioner main machine and described end control appliance, increase personal computer PC or panel computer, keeper can and control parameter by described personal computer PC or panel computer setup control strategy, the home-confined Temperature numerical that just can obtain very easily and control interior each room of described building and public place, temperature field situation map and equipment state.
Accompanying drawing explanation
Fig. 1 is central air-conditioning principle schematic of the prior art;
Fig. 2 is according to the central air-conditioning energy-saving system schematic diagram based on temperature field in the utility model the first embodiment;
Fig. 3 is according to the placement location schematic diagram of the temperature nodes based on wireless transmission in the utility model the second embodiment and end control appliance;
Fig. 4 is according to the temperature nodes based on wireless transmission in the utility model the 5th embodiment and the placement location schematic diagram of end control appliance;
Fig. 5 is according to the temperature field effect schematic diagram in each embodiment of the utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each embodiment of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each embodiment of the utility model, in order to make reader understand the application better, many ins and outs have been proposed.But, even without these ins and outs and the many variations based on following embodiment and modification, also can realize each claim of the application technical scheme required for protection.
The first embodiment of the present utility model relates to a kind of central air-conditioning energy-saving system based on temperature field, this central air-conditioning energy-saving system comprises central air conditioner main machine, N the temperature nodes for collecting temperature, L is individual for carrying out temperature controlled end control appliance, network, and described N, L are natural number.Concrete equipment connection state as shown in Figure 2, the transmission of the collection that whole system comprises data and control section 17 and data and processing section 16.The temperature sensor that the temperature nodes 10 of laying in building comprises collecting temperature data, the temperature data that temperature sensor collects converges to each bunch of point 12, wireless network transceiver 13 uploads to gateway device 14 the signal of each bunch of point 12, gateway device 14 is uploaded to central air conditioner main machine 15 signal again, central air conditioner main machine 15 generates after control command according to described temperature data, by gateway device 14, through wireless network transceiver 13, the control command of generation is issued to each bunch of point 12 again, each bunch of point 12 is distributed to each end control appliance 11 in building order again, end control appliance 11 raises the temperature in corresponding space or reduces, reach the temperature field in corresponding space in the whole building of balance, and, the temperature nodes that present embodiment relates to, data transmit-receive in central air conditioner main machine, data processing and network and end control appliance only need to increase and just can realize on original central air conditioner system basis, easy, fast, low consumption.
The second embodiment of the present utility model relates to a kind of central air-conditioning energy-saving system based on temperature field.The second embodiment has been done further improvement on the basis of the first embodiment, main improvements are: in the utility model the second embodiment, described temperature nodes 10 and end control appliance 11 are laid between each independent housing or public domain in building.In addition, central air conditioner main machine comprises: data collector and data processor.Central air conditioner main machine receives the temperature data of described collection by described data collector, send the control command of described generation, and central air conditioner main machine generates described control command by described data processor.
Specifically, as shown in Figure 3, one deck 19 in described building and two layer 20 have respectively between 6 independent housings 18, between each independent housing, 18 arrange a temperature nodes 10 and end control appliance 11, between every 3 independent housings 18 be provided with one for temperature data, gather bunches 12, the temperature sensor being comprised by temperature nodes 10 gathers the temperature data in each room 18, bunches 12 are uploaded to by gateway device 14 data collector that central air conditioner main machine 15 comprises after gathering temperature data, described data collector receives described temperature data, after the data processor processes comprising through described central air conditioner main machine 15 again, generate the temperature field situation map of whole solitary building, according to temperature field situation map, generate control command, data processor issues the control command of generation to described bunch 12 through gateway device 14, by bunches 12, issue control command to each end control appliance 11 again, control the valve area of described central air-conditioning energy-saving system end, the parameters such as wind speed, make the temperature in corresponding space raise or reduce, make building temperature field trend unified, reach comfortable, healthy, energy-conservation object.In present embodiment, temperature nodes 10 and end control appliance 11 are arranged in to each room, can make central air conditioner main machine obtain more accurately the temperature data in each corner of whole building, and then more effectively control the unification in temperature field in whole building.
The utility model the 3rd embodiment relates to a kind of central air-conditioning energy-saving system based on temperature field.The 3rd embodiment has been done further improvement on the basis of the first embodiment, main improvements are: in the utility model the 3rd embodiment, in described central air-conditioning energy-saving system, also comprise fan coil and air outlet blower fan, described end control appliance is arranged on central air conditioner system fan coil and air outlet blower fan, and described end control appliance carries out temperature control by described air-valve and wind speed control valve.That is to say, described end control appliance 11 is arranged in central air conditioner system fan coil and air outlet blower fan place, and at described fan coil and the installation of air outlet blower fan place, air-valve and wind speed control valve being set, end control appliance carries out temperature control by described air-valve and wind speed control valve.So just can make end control appliance 11 more timely and effectively by the control to air-valve and wind speed control valve, the temperature field in balance building.
The utility model the 4th embodiment relates to a kind of central air-conditioning energy-saving system based on temperature field, the 4th embodiment and the first embodiment are roughly the same, main distinction part is: in the first embodiment, what the reception of described temperature data and transmission adopted is wireless mode, and in the utility model the 4th embodiment, to the reception of described temperature data and transmission employing is wired mode.The transmitting-receiving of temperature data, the transmitting-receiving of control command, can transmit by cable network.Certainly, in actual applications, also can adopt the mode of wired and wireless combination, transmission temperature data and control command can be used central air-conditioning energy-saving system in possessing the region of cable network, also can in having the region of wireless network, use, range of application is more extensive, that is to say, in the utility model, described network is cable network or wireless network.
The utility model the 5th embodiment relates to a kind of central air-conditioning energy-saving system based on temperature field, the 5th embodiment has been done further improvement on the basis of the first embodiment, main improvements are: described in the 5th embodiment, central air-conditioning energy-saving system can also increase Surveillance center's equipment 26, Surveillance center's equipment comprises Man Machine Interface, described Surveillance center equipment 26 is personal computer PC or panel computer, the control strategy of setting for receiving management person and control parameter; Described Surveillance center equipment 26 is connected with described central air conditioner main machine 15, described control strategy and control parameter is sent to described central air conditioner main machine 15, as shown in Figure 4.
The utility model the 6th embodiment relates to a kind of central air-conditioning energy-saving system based on temperature field, the 6th embodiment has been done further improvement on the basis of the first embodiment, main improvements are: the data collector that central air conditioner main machine 15 comprises is also for receiving the equipment state in each temperature nodes 10, and the equipment state of reception is sent to described data processor, the duty that judges temperature nodes described in each for described data processor, whether watch-dog goes wrong at any time.
The 24 central air conditioner system design sketch that are prior art in Fig. 5, too high or too low for temperature in near-end room 21, far-end room 23 temperature are too low or too high, only comparatively suitable in the temperature in the room 22 of middle-end, 25 is the central air-conditioning energy-saving system design sketch in the utility model after transformation, near-end room 21, the temperature in far-end room 23 and middle-end room 22 is in unified state.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiment of the utility model, and in actual applications, can to it, do various changes in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (8)
1. the central air-conditioning energy-saving system based on temperature field, it is characterized in that: this central air-conditioning energy-saving system comprises central air conditioner main machine, N the temperature nodes for collecting temperature, L is individual for carrying out temperature controlled end control appliance, network, and described N, L are natural number;
Wherein, a described N temperature nodes and L end control appliance are laid in interior of building; A described N temperature nodes is all connected with described central air conditioner main machine by described network with L end control appliance;
Described in each, temperature nodes is given described central air conditioner main machine by the temperature data gathering by described Internet Transmission;
Described central air conditioner main machine is the control command generating according to described temperature data, by described Internet Transmission, gives end control appliance described in each.
2. according to the central air-conditioning energy-saving system based on temperature field claimed in claim 1, it is characterized in that: described temperature nodes and end control appliance are laid between each independent housing or public domain in building.
3. the central air-conditioning energy-saving system based on temperature field according to claim 1, is characterized in that:
Described central air-conditioning energy-saving system comprises fan coil and air outlet blower fan;
On described fan coil and air outlet blower fan, be provided with air-valve and wind speed control valve;
Described end control appliance is arranged on described fan coil and air outlet blower fan, and described end control appliance carries out temperature control by described air-valve and wind speed control valve.
4. the central air-conditioning energy-saving system based on temperature field according to claim 1, is characterized in that:
Described central air conditioner main machine comprises: data collector and data processor;
Described temperature nodes comprises temperature sensor, and described temperature nodes is by described temperature sensor collecting temperature data;
Described central air conditioner main machine receives the temperature data of described collection by described data collector, send the control command of described generation;
Described central air conditioner main machine generates described control command by described data processor.
5. the central air-conditioning energy-saving system based on temperature field according to claim 1, is characterized in that: described network is cable network or wireless network.
6. the central air-conditioning energy-saving system based on temperature field according to claim 4, is characterized in that:
Described data collector is also for receiving the equipment state that temperature nodes reports described in each, and the described equipment state receiving is sent to described data processor, judges the duty of temperature nodes described in each for described data processor.
7. according to the central air-conditioning energy-saving system based on temperature field claimed in claim 1, it is characterized in that: described central air-conditioning energy-saving system also comprises Surveillance center's equipment;
Described Surveillance center equipment comprises Man Machine Interface, the control strategy of setting for receiving management person and control parameter;
Described Surveillance center equipment is connected with described central air conditioner main machine, and described control strategy and control parameter are sent to described central air conditioner main machine.
8. the central air-conditioning energy-saving system based on temperature field according to claim 8, is characterized in that: described Surveillance center equipment is personal computer PC or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320425722.2U CN203533797U (en) | 2013-07-17 | 2013-07-17 | Central air-conditioning energy-saving system based on temperature fields |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320425722.2U CN203533797U (en) | 2013-07-17 | 2013-07-17 | Central air-conditioning energy-saving system based on temperature fields |
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| CN203533797U true CN203533797U (en) | 2014-04-09 |
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| CN201320425722.2U Expired - Lifetime CN203533797U (en) | 2013-07-17 | 2013-07-17 | Central air-conditioning energy-saving system based on temperature fields |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166633A (en) * | 2017-04-25 | 2017-09-15 | 爱恒能源科技（上海）有限公司 | Computer room operation energy consumption real-time monitoring and regulating method |
| CN112611078A (en) * | 2021-01-12 | 2021-04-06 | 建科环能科技有限公司 | Near-zero energy consumption building indoor comfortable environment control method and system |
-
2013
- 2013-07-17 CN CN201320425722.2U patent/CN203533797U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166633A (en) * | 2017-04-25 | 2017-09-15 | 爱恒能源科技（上海）有限公司 | Computer room operation energy consumption real-time monitoring and regulating method |
| CN112611078A (en) * | 2021-01-12 | 2021-04-06 | 建科环能科技有限公司 | Near-zero energy consumption building indoor comfortable environment control method and system |
| CN112611078B (en) * | 2021-01-12 | 2022-03-22 | 建科环能科技有限公司 | Building indoor comfortable environment control method and system |
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Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |