CN107328059A - A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator - Google Patents
A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator Download PDFInfo
- Publication number
- CN107328059A CN107328059A CN201710393081.XA CN201710393081A CN107328059A CN 107328059 A CN107328059 A CN 107328059A CN 201710393081 A CN201710393081 A CN 201710393081A CN 107328059 A CN107328059 A CN 107328059A
- Authority
- CN
- China
- Prior art keywords
- chips
- switch
- connecting valve
- end connecting
- water temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000000498 cooling water Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims description 35
- 238000007710 freezing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 17
- 101100309712 Arabidopsis thaliana SD11 gene Proteins 0.000 claims description 7
- 101100309714 Arabidopsis thaliana SD16 gene Proteins 0.000 claims description 7
- 101100309716 Arabidopsis thaliana SD18 gene Proteins 0.000 claims description 7
- 101150104372 SD17 gene Proteins 0.000 claims description 7
- 101100309717 Arabidopsis thaliana SD22 gene Proteins 0.000 claims description 6
- 241001274660 Modulus Species 0.000 claims 1
- 230000006378 damage Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator, and a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator includes：PLC host modules, A/D modular converters, D/A modular converters, logic control, chilled water leaving water temperature sensors, chilled water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature sensors；PLC main frames connect logic control;PLC host modules connect D/A modular converters, PLC main frames connect A/D modular converters, A/D conversions are connected with chilled water leaving water temperature sensors, chilled water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature sensors, chilled water system pressure sensor, cooling water system pressure sensor, and logic control uses fuzzy-adaptation PID control.The present invention can be high according to temperature and produce cold air reduction temperature, in winter, can be low according to temperature and air that produce heat elevates the temperature, realize intelligent temperature control.
Description
Technical field
The present invention relates to temperature control, and in particular to a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator.
Background technology
In present life and work, due to finishing new house can use finishing material such as paint, coating, plank, glued board,
Contain the pernicious gases such as different degrees of ammonia, formaldehyde, ethene, benzene in them；Vexed in also a kind of phenomenon man, that is because room
Interior to be accumulated without adequate ventilation ventilation peculiar smell and moisture, the waste gas for adding mankind's activity and producing could not be discharged in time feels people
Feel the sensation of dizziness and distending sensation of the head；Second-hand-cigarette is containing chemical substance in having more than 7000, wherein about 70 kinds are carcinogenic, it is very big to human injury；
These things all can produce harm to air, while bringing very big harm to human body.With the development of society, a kind of can be net
Change air while the equipment that can also change temperature is arisen at the historic moment.Fresh air function can also purify air while changing temperature, and it can
So that the pernicious gas in air is discharged outdoor in time, oxygen-enriched fresh air can be produced, allows you are happy seemingly to stay green
In forest, temperature-compensating can automatically adjust according to outdoor temperature, in summer, can be produced cold according to temperature height
Air reduces temperature, in winter, can be low according to temperature and air that produce heat elevates the temperature, realize intelligent temperature control.
The content of the invention
It is an object of the invention to provide a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator, Interior Space makings is solved
Amount difference gives people healthy to bring harm, over-heating in summer, the problem of winter is subcooled.
To solve above-mentioned technical problem, the present invention uses following technical scheme：A kind of temperature frequency conversion of Intelligent fresh air ventilator
Energy conserving system, it is characterised in that：Including：PLC host modules, A/D modular converters, it is D/A modular converters, Logic control module, cold
Freeze water leaving water temperature sensors, chilled water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature to pass
Sensor；The PLC host modules connect Logic control module;The PLC host modules connect D/A modular converters；The PLC master
Machine module connect A/D modular converters, the A/D modular converters with chilled water leaving water temperature sensors, chilled water return water temperature
Sensor, cooling water return water temperature sensor, the connection of cooling water leaving water temperature sensors.
Further technical scheme is that the D/A modular converters include EM232 input modules 1, EM232 input modules
2nd, cooling frequency converter 1, cooling frequency converter 2, cooling tower, coiler fan；The MO ends of the EM232 input modules 1, the connection of IO ends are cold
But the positive pole of frequency converter 1, negative pole；The M1 ends of the EM232 input modules 1, positive pole, the negative pole of I1 ends connection cooling frequency converter 2.
Further technical scheme is, the M0 ends of the EM232 input modules 2, the positive pole of IO ends connection cooling tower,
Negative pole；M1 ends, the I1 ends of the EM232 input modules 2 connect positive pole, the negative pole of coiler fan.
Further technical scheme is that the main control chip of the PLC main control modules is 6ES7-2BD23-0XB8 chips,
The PLC main control modules include：Switch SD0, switch SD1, switch SD2, switch SD3, switch SD4, switch SD5, switch SD6,
Switch SD7, switch SD8, switch SD9, switch SD10, switch SD11, switch SD12, switch SD13, switch SD14, switch
SD15, switch SD16, switch SD17, switch SD18, switch SD19, switch SD20, switch SD21, switch SD22, switch SD23,
Coil pipe wind frequency converter, the frequency converter of refrigerating water pump, cooling tower wind frequency converter, the 1L0.0 ends of the 6ES7-2BD23-0XB8 chips connect
Connect the frequency converter of refrigerating water pump；The 2L0.4 ends connection cooling tower wind frequency converter of the 6ES7-2BD23-0XB8 chips, the 6ES7-
The 2L0.5 ends terminal pad manage-style frequency converter of 2BD23-0XB8 chips；The 1M0.0 ends connection of the 6ES7-2BD23-0XB8 chips
Switch SD0,0.1 end connecting valve SD1 of the 6ES7-2BD23-0XB8 chips, the 6ES7-2BD23-0XB8 chips
0.2 end connecting valve SD2, the 6ES7-2BD23-0XB8 chips 0.3 end connecting valve SD3, the 6ES7-2BD23-
It is 0.4 end connecting valve SD4 of 0XB8 chips, 0.5 end connecting valve SD5 of the 6ES7-2BD23-0XB8 chips, described
0.6 end connecting valve SD6, the 07 end connecting valve of the 6ES7-2BD23-0XB8 chips of 6ES7-2BD23-0XB8 chips
SD7,1.0 termination switch SD8 of the 6ES7-2BD23-0XB8 chips, 1.1 ends of the 6ES7-2BD23-0XB8 chips are opened
Close SD9,1.2 end connecting valve SD10 of the 6ES7-2BD23-0XB8 chips, the 1.3 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD11,1.4 end connecting valve SD12 of the 6ES7-2BD23-0XB8 chips;The 6ES7-2BD23-0XB8
It is the 2M1.5 ends connecting valve SD13 of chip, 1.6 end connecting valve SD14 of the 6ES7-2BD23-0XB8 chips, described
1.7 end connecting valve SD15, the 2.0 end connecting valves of the 6ES7-2BD23-0XB8 chips of 6ES7-2BD23-0XB8 chips
SD16,2.1 end connecting valve SD17 of the 6ES7-2BD23-0XB8 chips, the 2.2 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD18,2.3 end connecting valve SD19, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips
2.4 end connecting valve SD20 of chip, 2.5 end connecting valve SD21, the 6ES7- of the 6ES7-2BD23-0XB8 chips
2.6 end connecting valve SD22 of 2BD23-0XB8 chips, 2.5 end connecting valve SD23 of the 6ES7-2BD23-0XB8 chips.
Further technical scheme is that the A/D modular converters include EM235 input modules 1, EM235 input modules
2nd, freezing frequency converter 1, freezing frequency converter 2, the RAA+ ends of the EM235 input modules 1, A- ends connection chilled water leaving water temperature are passed
Positive pole, the negative pole of sensor；RBB+ ends, the B- ends of the EM235 input modules 1 connect the positive pole of cooling-water temperature sensor, born
Pole；RCC+ ends, the C- ends of the EM235 input modules 1 connect positive pole, the negative pole of chilled water return water temperature sensor；It is described
RDD+ ends, the D- ends of EM235 input modules 1 connect positive pole, the negative pole of cooling water leaving water temperature sensors；The EM235 inputs
The MO ends of module 1, positive pole, the negative pole of IO ends connection freezing frequency converter 1.
Further technical scheme is that the RAA+ ends of the EM235 input modules 2, A- ends connection chilled water go out water temperature
Spend positive pole, the negative pole of sensor；RBB+ ends, the B- ends of the EM235 input modules 2 are connecting cooling-water temperature sensor just
Pole, negative pole；RCC+ ends, the C- ends of the EM235 input modules 2 connect positive pole, the negative pole of chilled water return water temperature sensor；Institute
State positive pole, negative pole that the RDD+ ends of EM235 input modules 2, D- ends connect cooling water leaving water temperature sensors；The EM235 is defeated
Enter MO ends, positive pole, the negative pole of IO ends connection freezing frequency converter 2 of module 2.
Compared with prior art, beneficial effects of the present invention are at least one of following effect：
1）Logic control module is added, what Logic control module was selected is fuzzy-adaptation PID control, and fuzzy makes control more smart
Really, using PLC fuzzy-adaptation PID control function, the frequency values of refrigerating water pump frequency converter is adjusted, finally the temperature difference is retained in setting value.
2）From two frequency converter modules, allow to switch to frequency converter 2 when frequency converter 1 breaks down and work.
3）Refrigeration system alarm for high voltage signal is set, it is cooling system alarm for high voltage signal, chilled water high temperature alarm signal, cold
But water high temperature alarm signal, makes occur abnormal situation and alarm during control, improves security.
Brief description of the drawings
Fig. 1 is a kind of the general frame of the temperature frequency conversion energy-saving system of Intelligent fresh air ventilator of the invention.
Fig. 2 is a kind of PLC control modules of the temperature frequency conversion energy-saving system of Intelligent fresh air ventilator of the invention.
Fig. 3 is a kind of A/D modular converters of the temperature frequency conversion energy-saving system of Intelligent fresh air ventilator of the invention.
Fig. 4 is a kind of D/A modular converters of the temperature frequency conversion energy-saving system of Intelligent fresh air ventilator of the invention.
Embodiment
In order that the object, technical solution and advantage of invention are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
Fig. 1 to Fig. 4 is shown：The present invention uses following technical scheme：：A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator its
It is characterised by：Including：PLC host modules, A/D modular converters, D/A modular converters, Logic control module, chilled water leaving water temperature
Sensor, chilled water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature sensors；The PLC
Host module connects Logic control module;The PLC host modules connect D/A modular converters；The PLC host modules connect A/
D modular converters, the A/D modular converters with chilled water leaving water temperature sensors, chilled water return water temperature sensor, cooling water
Return water temperature sensor, the connection of cooling water leaving water temperature sensors.
D/A modular converters include EM232 input modules 1, EM232 input modules 2, cooling frequency converter 1, cooling frequency converter
2nd, cooling tower, coiler fan；The MO ends of the EM232 input modules 1, positive pole, the negative pole of IO ends connection cooling frequency converter 1；Institute
State M1 ends, positive pole, the negative pole of I1 ends connection cooling frequency converter 2 of EM232 input modules 1.
M0 ends, the IO ends of EM232 input modules 2 connect positive pole, the negative pole of cooling tower；The EM232 input modules 2
M1 ends, I1 ends connect positive pole, the negative pole of coiler fan.
The main control chip of PLC main control modules is 6ES7-2BD23-0XB8 chips, and the PLC main control modules include：Switch
SD0, switch SD1, switch SD2, switch SD3, switch SD4, switch SD5, switch SD6, switch SD7, switch SD8, switch SD9,
Switch SD10, switch SD11, switch SD12, switch SD13, switch SD14, switch SD15, switch SD16, switch SD17, switch
SD18, switch SD19, switch SD20, switch SD21, switch SD22, switch SD23, coil pipe wind frequency converter, the frequency conversion of refrigerating water pump
Device, cooling tower wind frequency converter, the 1L0.0 ends of the 6ES7-2BD23-0XB8 chips connect the frequency converter of refrigerating water pump；It is described
The 2L0.4 ends connection cooling tower wind frequency converter of 6ES7-2BD23-0XB8 chips, the 2L0.5 of the 6ES7-2BD23-0XB8 chips
Hold terminal pad manage-style frequency converter；1M0.0 ends connecting valve SD0, the 6ES7- of the 6ES7-2BD23-0XB8 chips
0.1 end connecting valve SD1 of 2BD23-0XB8 chips, 0.2 end connecting valve SD2 of the 6ES7-2BD23-0XB8 chips, institute
The 0.4 end connection for stating the 0.3 end connecting valve SD3, the 6ES7-2BD23-0XB8 chips of 6ES7-2BD23-0XB8 chips is opened
Close SD4,0.5 end connecting valve SD5 of the 6ES7-2BD23-0XB8 chips, the 0.6 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD6,07 end connecting valve SD7, the 6ES7-2BD23-0XB8 cores of the 6ES7-2BD23-0XB8 chips
1.0 termination switch SD8,1.1 end switch SD9, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips of piece
1.2 end connecting valve SD10 of chip, 1.3 end connecting valve SD11, the 6ES7- of the 6ES7-2BD23-0XB8 chips
1.4 end connecting valve SD12 of 2BD23-0XB8 chips;The 2M1.5 ends connecting valve of the 6ES7-2BD23-0XB8 chips
SD13,1.6 end connecting valve SD14 of the 6ES7-2BD23-0XB8 chips, the 1.7 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD15,2.0 end connecting valve SD16, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips
2.1 end connecting valve SD17 of chip, 2.2 end connecting valve SD18, the 6ES7- of the 6ES7-2BD23-0XB8 chips
2.3 end connecting valve SD19 of 2BD23-0XB8 chips, 2.4 end connecting valve SD20 of the 6ES7-2BD23-0XB8 chips,
The 2.5 end connecting valve SD21, the 6ES7-2BD23-0XB8 chips of the 6ES7-2BD23-0XB8 chips 2.6 ends connection
Switch SD22,2.5 end connecting valve SD23 of the 6ES7-2BD23-0XB8 chips.
The present embodiment by starting water supply pump 1 first, and chilled water return water temperature and chilled water go out water temperature in water supply pump 1
If degree, which is compared the temperature difference collected, is less than 5 degree, coiler fan frequency declines, freezing pump frequency declines；If cold
Chilled water return water temperature and chilled water leaving water temperature are compared the coiler fan if the temperature difference collected is less than 7 degree in water pump
Frequency rises, freezing pump frequency rises；If temperature difference does not adjust the running frequency of frequency converter between 5 degree to 7 degree.From
And ensure that constant difference.
Embodiment 2
Fig. 1 to Fig. 4 is shown：The present invention uses following technical scheme：：A kind of temperature frequency conversion energy-saving system bag of Intelligent fresh air ventilator
Include：PLC host modules, A/D modular converters, D/A modular converters, Logic control module, chilled water leaving water temperature sensors, freezing
Water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature sensors；The PLC host modules connect
Connect Logic control module;The PLC host modules connect D/A modular converters；The PLC host modules connect A/D modular converters,
The A/D modular converters are passed with chilled water leaving water temperature sensors, chilled water return water temperature sensor, cooling water return water temperature
Sensor, the connection of cooling water leaving water temperature sensors.
D/A modular converters include EM232 input modules 1, EM232 input modules 2, cooling frequency converter 1, cooling frequency converter
2nd, cooling tower, coiler fan；The MO ends of the EM232 input modules 1, positive pole, the negative pole of IO ends connection cooling frequency converter 1；Institute
State M1 ends, positive pole, the negative pole of I1 ends connection cooling frequency converter 2 of EM232 input modules 1.
M0 ends, the IO ends of EM232 input modules 2 connect positive pole, the negative pole of cooling tower；The EM232 input modules 2
M1 ends, I1 ends connect positive pole, the negative pole of coiler fan.
The main control chip of PLC main control modules is 6ES7-2BD23-0XB8 chips, and the PLC main control modules include：Switch
SD0, switch SD1, switch SD2, switch SD3, switch SD4, switch SD5, switch SD6, switch SD7, switch SD8, switch SD9,
Switch SD10, switch SD11, switch SD12, switch SD13, switch SD14, switch SD15, switch SD16, switch SD17, switch
SD18, switch SD19, switch SD20, switch SD21, switch SD22, switch SD23, coil pipe wind frequency converter, the frequency conversion of refrigerating water pump
Device, cooling tower wind frequency converter, the 1L0.0 ends of the 6ES7-2BD23-0XB8 chips connect the frequency converter of refrigerating water pump；It is described
The 2L0.4 ends connection cooling tower wind frequency converter of 6ES7-2BD23-0XB8 chips, the 2L0.5 of the 6ES7-2BD23-0XB8 chips
Hold terminal pad manage-style frequency converter；1M0.0 ends connecting valve SD0, the 6ES7- of the 6ES7-2BD23-0XB8 chips
0.1 end connecting valve SD1 of 2BD23-0XB8 chips, 0.2 end connecting valve SD2 of the 6ES7-2BD23-0XB8 chips, institute
The 0.4 end connection for stating the 0.3 end connecting valve SD3, the 6ES7-2BD23-0XB8 chips of 6ES7-2BD23-0XB8 chips is opened
Close SD4,0.5 end connecting valve SD5 of the 6ES7-2BD23-0XB8 chips, the 0.6 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD6,07 end connecting valve SD7, the 6ES7-2BD23-0XB8 cores of the 6ES7-2BD23-0XB8 chips
1.0 termination switch SD8,1.1 end switch SD9, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips of piece
1.2 end connecting valve SD10 of chip, 1.3 end connecting valve SD11, the 6ES7- of the 6ES7-2BD23-0XB8 chips
1.4 end connecting valve SD12 of 2BD23-0XB8 chips;The 2M1.5 ends connecting valve of the 6ES7-2BD23-0XB8 chips
SD13,1.6 end connecting valve SD14 of the 6ES7-2BD23-0XB8 chips, the 1.7 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD15,2.0 end connecting valve SD16, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips
2.1 end connecting valve SD17 of chip, 2.2 end connecting valve SD18, the 6ES7- of the 6ES7-2BD23-0XB8 chips
2.3 end connecting valve SD19 of 2BD23-0XB8 chips, 2.4 end connecting valve SD20 of the 6ES7-2BD23-0XB8 chips,
The 2.5 end connecting valve SD21, the 6ES7-2BD23-0XB8 chips of the 6ES7-2BD23-0XB8 chips 2.6 ends connection
Switch SD22,2.5 end connecting valve SD23 of the 6ES7-2BD23-0XB8 chips.
A/D modular converters include EM235 input modules 1, EM235 input modules 2, freezing frequency converter 1, freezing frequency converter
2, RAA+ ends, the A- ends of the EM235 input modules 1 connect positive pole, the negative pole of chilled water leaving water temperature sensors；It is described
RBB+ ends, the B- ends of EM235 input modules 1 connect positive pole, the negative pole of cooling-water temperature sensor；The EM235 input modules 1
RCC+ ends, C- ends connect chilled water return water temperature sensor positive pole, negative pole；The RDD+ ends of the EM235 input modules 1,
D- ends connect positive pole, the negative pole of cooling water leaving water temperature sensors；The MO ends of the EM235 input modules 1, the connection freezing of IO ends
Positive pole, the negative pole of frequency converter 1.
RAA+ ends, the A- ends of EM235 input modules 2 connect positive pole, the negative pole of chilled water leaving water temperature sensors；It is described
RBB+ ends, the B- ends of EM235 input modules 2 connect positive pole, the negative pole of cooling-water temperature sensor；The EM235 input modules 2
RCC+ ends, C- ends connect chilled water return water temperature sensor positive pole, negative pole；The RDD+ ends of the EM235 input modules 2,
D- ends connect positive pole, the negative pole of cooling water leaving water temperature sensors；The MO ends of the EM235 input modules 2, the connection freezing of IO ends
Positive pole, the negative pole of frequency converter 2.
The present embodiment has added freezing frequency converter 2, starts cooling pump 2 while starting cooling pump 1, coiler fan, cold
But tower blower fan, if if chilled water return water temperature and chilled water leaving water temperature are compared the temperature collected in cooling pump 2
Difference is less than 4 degree, then coiler fan frequency declines, freezing pump frequency declines；If the chilled water return water temperature and cold in water supply pump
Freeze water leaving water temperature and be compared the rising of coiler fan frequency, freezing pump frequency rising if the temperature difference collected is less than 6 degree；
If temperature difference does not adjust the running frequency of frequency converter between 4 degree to 6 degree, so as to ensure that constant difference.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme composite configuration and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator, it is characterised in that：Including：PLC host modules, A/D moduluss of conversion
Block, D/A modular converters, Logic control module, chilled water leaving water temperature sensors, chilled water return water temperature sensor, cooling water
Return water temperature sensor, cooling water leaving water temperature sensors；The PLC host modules connect Logic control module;The PLC master
Machine module connects D/A modular converters；The PLC host modules connect A/D modular converters, the A/D modular converters with freezing
Water leaving water temperature sensors, chilled water return water temperature sensor, cooling water return water temperature sensor, cooling water leaving water temperature sensing
Device is connected.
2. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator according to claim 1, its spy is：The D/A turns
Changing the mold block includes EM232 input modules 1, EM232 input modules 2, cooling frequency converter 1, cooling frequency converter 2, cooling tower, coil pipe wind
Machine；The MO ends of the EM232 input modules 1, positive pole, the negative pole of IO ends connection cooling frequency converter 1；The EM232 input modules 1
M1 ends, I1 ends connection cooling frequency converter 2 positive pole, negative pole.
3. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator according to claim 2, it is characterised in that：It is described
M0 ends, the IO ends of EM232 input modules 2 connect positive pole, the negative pole of cooling tower；M1 ends, the I1 ends of the EM232 input modules 2
Connect positive pole, the negative pole of coiler fan.
4. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator according to claim 1, it is characterised in that：The PLC
The main control chip of main control module is 6ES7-2BD23-0XB8 chips, and the PLC main control modules include：Switch SD0, switch SD1,
Switch SD2, switch SD3, switch SD4, switch SD5, switch SD6, switch SD7, switch SD8, switch SD9, switch SD10, switch
SD11, switch SD12, switch SD13, switch SD14, switch SD15, switch SD16, switch SD17, switch SD18, switch SD19,
Switch SD20, switch SD21, switch SD22, switch SD23, coil pipe wind frequency converter, the frequency converter of refrigerating water pump, cooling tower wind frequency conversion
Device, the 1L0.0 ends of the 6ES7-2BD23-0XB8 chips connect the frequency converter of refrigerating water pump；The 6ES7-2BD23-0XB8 chips
2L0.4 ends connection cooling tower wind frequency converter, the 2L0.5 ends terminal pad manage-style frequency converter of the 6ES7-2BD23-0XB8 chips；
The 1M0.0 ends connecting valve SD0 of the 6ES7-2BD23-0XB8 chips, 0.1 end of the 6ES7-2BD23-0XB8 chips connect
Connect switch SD1,0.2 end connecting valve SD2 of the 6ES7-2BD23-0XB8 chips, the 6ES7-2BD23-0XB8 chips
0.3 end connecting valve SD3, the 6ES7-2BD23-0XB8 chips 0.4 end connecting valve SD4, the 6ES7-2BD23-
It is 0.5 end connecting valve SD5 of 0XB8 chips, 0.6 end connecting valve SD6 of the 6ES7-2BD23-0XB8 chips, described
07 end connecting valve SD7 of 6ES7-2BD23-0XB8 chips, 1.0 termination switch SD8 of the 6ES7-2BD23-0XB8 chips,
1.1 end switch SD9 of the 6ES7-2BD23-0XB8 chips, 1.2 end connecting valves of the 6ES7-2BD23-0XB8 chips
SD10,1.3 end connecting valve SD11 of the 6ES7-2BD23-0XB8 chips, the 1.4 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD12;2M1.5 ends connecting valve SD13, the 6ES7-2BD23- of the 6ES7-2BD23-0XB8 chips
It is 1.6 end connecting valve SD14 of 0XB8 chips, 1.7 end connecting valve SD15 of the 6ES7-2BD23-0XB8 chips, described
2.0 end connecting valve SD16, the 2.1 end connecting valves of the 6ES7-2BD23-0XB8 chips of 6ES7-2BD23-0XB8 chips
SD17,2.2 end connecting valve SD18 of the 6ES7-2BD23-0XB8 chips, the 2.3 of the 6ES7-2BD23-0XB8 chips
Hold connecting valve SD19,2.4 end connecting valve SD20, the 6ES7-2BD23-0XB8 of the 6ES7-2BD23-0XB8 chips
2.5 end connecting valve SD21 of chip, 2.6 end connecting valve SD22, the 6ES7- of the 6ES7-2BD23-0XB8 chips
2.5 end connecting valve SD23 of 2BD23-0XB8 chips.
5. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator according to claim 1, it is characterised in that：The A/D
Modular converter includes EM235 input modules 1, EM235 input modules 2, freezing frequency converter 1, freezing frequency converter 2, and the EM235 is defeated
Enter positive pole, negative pole that the RAA+ ends of module 1, A- ends connect chilled water leaving water temperature sensors；The EM235 input modules 1
RBB+ ends, B- ends connect positive pole, the negative pole of cooling-water temperature sensor；RCC+ ends, the C- ends of the EM235 input modules 1 connect
Connect positive pole, the negative pole of chilled water return water temperature sensor；The RDD+ ends of the EM235 input modules 1, D- ends connection cooling water go out
Positive pole, the negative pole of water temperature sensor；The MO ends of the EM235 input modules 1, the connection of IO ends freeze the positive pole of frequency converter 1, born
Pole.
6. a kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator according to claim 3, it is characterised in that：It is described
RAA+ ends, the A- ends of EM235 input modules 2 connect positive pole, the negative pole of chilled water leaving water temperature sensors；The EM235 inputs
RBB+ ends, the B- ends of module 2 connect positive pole, the negative pole of cooling-water temperature sensor；The RCC+ ends of the EM235 input modules 2,
C- ends connect positive pole, the negative pole of chilled water return water temperature sensor；The RDD+ ends of the EM235 input modules 2, the connection of D- ends are cold
But the positive pole of water leaving water temperature sensors, negative pole；The MO ends of the EM235 input modules 2, the connection of IO ends freeze frequency converter 2
Positive pole, negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393081.XA CN107328059A (en) | 2017-05-27 | 2017-05-27 | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393081.XA CN107328059A (en) | 2017-05-27 | 2017-05-27 | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328059A true CN107328059A (en) | 2017-11-07 |
Family
ID=60193151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710393081.XA Pending CN107328059A (en) | 2017-05-27 | 2017-05-27 | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237032A (en) * | 2021-12-14 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Clean air conditioner temperature control method intelligently controlled by Fuzzy-PID |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885354U (en) * | 2010-11-25 | 2011-06-29 | 河南省电力公司郑州供电公司 | Energy-saving central air-conditioning system |
| CN204494706U (en) * | 2015-03-12 | 2015-07-22 | 杜红亮 | Bathing place intelligent ventilation energy-saving control system |
| CN204963107U (en) * | 2015-07-22 | 2016-01-13 | 向君 | Central air conditioning efficiency intelligent control device |
| CN204987370U (en) * | 2015-09-23 | 2016-01-20 | 陈好 | Improved generation central air conditioning economizer system |
| CN105546759A (en) * | 2016-01-12 | 2016-05-04 | 重庆大学 | Central air-conditioning energy-saving control system and control strategy thereof |
| CN205505306U (en) * | 2016-04-07 | 2016-08-24 | 招商局物业管理有限公司 | Central air conditioning pump variable frequency energy -saving control system and central air conditioning |
| CN207179943U (en) * | 2017-05-27 | 2018-04-03 | 四川建源节能科技有限公司 | A kind of temperature frequency conversion energy-saving system of new blower fan |
-
2017
- 2017-05-27 CN CN201710393081.XA patent/CN107328059A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885354U (en) * | 2010-11-25 | 2011-06-29 | 河南省电力公司郑州供电公司 | Energy-saving central air-conditioning system |
| CN204494706U (en) * | 2015-03-12 | 2015-07-22 | 杜红亮 | Bathing place intelligent ventilation energy-saving control system |
| CN204963107U (en) * | 2015-07-22 | 2016-01-13 | 向君 | Central air conditioning efficiency intelligent control device |
| CN204987370U (en) * | 2015-09-23 | 2016-01-20 | 陈好 | Improved generation central air conditioning economizer system |
| CN105546759A (en) * | 2016-01-12 | 2016-05-04 | 重庆大学 | Central air-conditioning energy-saving control system and control strategy thereof |
| CN205505306U (en) * | 2016-04-07 | 2016-08-24 | 招商局物业管理有限公司 | Central air conditioning pump variable frequency energy -saving control system and central air conditioning |
| CN207179943U (en) * | 2017-05-27 | 2018-04-03 | 四川建源节能科技有限公司 | A kind of temperature frequency conversion energy-saving system of new blower fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237032A (en) * | 2021-12-14 | 2022-03-25 | 中国船舶重工集团公司第七0三研究所 | Clean air conditioner temperature control method intelligently controlled by Fuzzy-PID |
| CN114237032B (en) * | 2021-12-14 | 2024-02-20 | 中国船舶重工集团公司第七0三研究所 | Clean air conditioner temperature control method based on Fuzzy-PID intelligent control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107580443B (en) | Comprehensive cooling system of data center based on waste heat recovery and control method thereof | |
| CN115024162A (en) | Tremella fuciformis cultivation room capable of uniformly preventing tremella from rotting by air supply | |
| CN107449033A (en) | A kind of capillary radiation system Fresh air handing unit and its control method | |
| CN207179943U (en) | A kind of temperature frequency conversion energy-saving system of new blower fan | |
| CN107328059A (en) | A kind of temperature frequency conversion energy-saving system of Intelligent fresh air ventilator | |
| CN2226723Y (en) | Window type humidification filter cold air machine | |
| CN207729787U (en) | A kind of air-conditioning system of achievable temperature and humidity independent control | |
| CN212108838U (en) | Station air supply evaporative cooling air conditioner suitable for stadium audience area | |
| CN207350606U (en) | A kind of automatic humidification energy-saving type air conditioner | |
| CN202788061U (en) | Novel operating room cleaning system | |
| CN104132433B (en) | Method for controlling air purification regulator without indoor unit | |
| CN110880402A (en) | Outdoor miniature transformer with cooling and dehumidifying functions | |
| CN210951653U (en) | Water chilling unit all-in-one machine combining evaporative refrigeration and mechanical refrigeration | |
| CN208349473U (en) | A kind of temperature reduction type dehumidifier of full air exhausting structure | |
| CN211290327U (en) | Multifunctional temperature and humidity regulating and controlling device | |
| CN207815560U (en) | Air exchange system based on refrigerated dehumidification function | |
| CN204373062U (en) | A kind of combined energy-saving type dehumidifier | |
| CN207893930U (en) | A kind of energy-saving fresh air system that can carry out remote control | |
| CN110608467A (en) | Temperature and humidity sensing air conditioner with humidifying function | |
| CN107367008B (en) | Solution dehumidifying fresh air conditioner utilizing reverse flow exchange of solution and refrigerant | |
| CN206572653U (en) | A kind of efficient recuperation of heat aeration device | |
| CN207094881U (en) | A kind of central air conditioner system of band dehumidifying fresh air function | |
| CN206191965U (en) | Grain low temperature storage air -cooled unit | |
| CN210107613U (en) | Workshop aeration cooling intelligent system | |
| CN105180525B (en) | A kind of subway Special water cooling directly swollen air-conditioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171107 |
|
| RJ01 | Rejection of invention patent application after publication |