CN206420112U - A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption - Google Patents
A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption Download PDFInfo
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- CN206420112U CN206420112U CN201621391794.XU CN201621391794U CN206420112U CN 206420112 U CN206420112 U CN 206420112U CN 201621391794 U CN201621391794 U CN 201621391794U CN 206420112 U CN206420112 U CN 206420112U
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Abstract
The utility model discloses a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption, it is characterized in that：Including frequency converter, new blower fan harmonic protector, the control system also includes energy consumption statistic module, and the energy consumption statistic module includes three-phase voltameter, and the three-phase voltameter accesses the end of incoming cables of major loop.Compared with prior art, the utility model enough monitors the energy consumption of new blower fan system in real time, beneficial to energy saving of system.
Description
Technical field
The utility model is related to air conditioner energy saving technical field, and specifically a kind of central air-conditioning for monitoring real time energy consumption is new
Blower fan set control system.
Background technology
In order to possess more comfortable indoor environment, central air-conditioning has become indispensable in people's work and life
Electrical equipment, but the use of air-conditioning is quite serious to the consumption of the energy, not to each portion of air-conditioning in existing air conditioner
Part carries out the module of energy consumption statistic, it is impossible to accurately understand the energy consumption of each part inside air conditioner in detail, so as to carry out
Can not targetedly research direction during energy-saving design.
Utility model content
To overcome the shortcomings of that above-mentioned prior art is present, the purpose of this utility model is to provide a kind of monitoring real time energy consumption
Central air-conditioning Fresh air handling units control system, can control and detect in real time energy consumption, reach the purpose of energy-conservation.
The utility model solves the technical scheme that its technical problem used：A kind of central air-conditioning for monitoring real time energy consumption
Fresh air handling units control system, it is characterized in that：Including frequency converter, new blower fan harmonic protector, one end of the frequency converter passes through
Circuit breaker Q F1 accesses three phase mains, and the new blower fan passes sequentially through electrothermal relay KH1, contactor KM1 main contacts and open circuit
Device QF1 accesses three phase mains, and the harmonic protection device passes sequentially through circuit breaker Q F2, circuit breaker Q F1 access three phase mains, described
The main contacts and electrothermal relay KH1 that the other end of frequency converter passes sequentially through contactor KM3 connect new blower fan；
The control system also includes energy consumption statistic module, and the energy consumption statistic module includes three-phase voltameter, described three
Phase voltameter accesses the end of incoming cables of major loop.
Preferably, the three-phase voltameter is transformer access type three-phase voltameter, U, V, W of the three-phase voltameter
End connects current transformer TA1, TA2 and TA3 respectively, and three-phase is accessed in U1, V1, W1 end by fuse FU1, FU2 and FU3 respectively
Power supply, A, B end is connected by telecommunication circuit with host computer, U ', V ', W ' ends ground connection.
Preferably, the control system also includes control loop, and the control loop includes the manual industrial frequency control of new blower fan
Loop and automatic frequency-conversion control loop；
The manual industrial frequency control loop of new blower fan includes relay KA3, one end of the normally-closed contact of the relay KA3
Live wire L1, other end difference connecting valve SS1 and contactor KM3 normally opened contacts one end are connected, SS1 and contactor KM3 is switched
The other end of normally opened contact is all connected with switching ST1 one end, switch ST1 other end connection contactor KM2 one end, contactor
The KM2 other end passes through the contactor KM3 and electrothermal relay KH1 connecting to neutral lines that are sequentially connected, the automatic frequency-conversion control loop bag
Control module G.REAL-AX is included, the other end of the switch ST1 is also connected with the D00 terminals of the control module G.REAL-AX
105 ends, 108 end link control module G.REAL-AX of the D00 terminals of control module G.REAL-AX D01 terminals
Started to exchange fire line L1, control by relay KA3 normally opened contacts at 108 ends, 108 ends of control module G.REAL-AX D01, D00 terminal
109 ends of module G.REAL-AX D01 terminals connect one end of contactor KM3 normally-closed contacts, contactor KM3 normally-closed contacts
The other end connects one end of contactor KM1 coils and contactor KM2 circles, the other end connecting to neutral of contactor KM1, KM2 coil respectively
Line；
One end of the relay KA1 normally opened contacts connects one end of contactor KM2 normally opened contacts, and contactor KM2 is normally opened
The other end of contact connects one end of contactor KM3 normally opened contacts and one end of relay KA4 coils respectively, and contactor KM3 is normal
The other end for opening contact is started to exchange fire line L1, another terminal connecting zero line of relay KA4 coils.
Preferably, the control loop also include signal designation loop, the signal designation loop include relay KA4,
KA2 and signal lamp HW1, HY1, one end connection live wire L1 of the relay KA4 normally opened contacts, other end connection signal lamp HW1
One end, signal lamp HW1 another terminal connecting zero line, the relay KA2 normally opened contacts one end connection live wire L1, the other end
Connect signal lamp HY1 one end, signal lamp HY1 another terminal connecting zero line.
Preferably, the control module G.REAL-AX includes Fresh air handling units control cabinet and text display module；
The text display module includes communication interface end, pressure fan power end, analog input interface end, numeral letter
Number input interface end, analog signal output interface end and digital signal output interface end, communication interface end connecting tube are patted
Platform, the pressure fan power end connects pressure fan, and the analog input interface end inputs outdoor environment temperature, outdoor respectively
Ambient humidity, interior CO2 concentration, wind pushing temperature and blasting humidity, the analog signal output interface end is outputed signal to respectively
Cold water/hot water valve, steam valve and new air-valve, it is data signal input interface end difference input filter block signal, antifreeze
Switching signal and blower fan pressure difference switch signal；
The Fresh air handling units control cabinet connect respectively filter, frost prevention switch, new air-valve, cold water/hot water valve, steam valve,
Outdoor temperature humidity control cabinet, indoor detector CO2 detectors, air supply duct and new blower fan.
Preferably, the management platform includes communication converter, monitors computer and printer, the communication converter,
Monitoring computer and printer are sequentially connected, and the communication converter connects the communication interface end.
Preferably, the telecommunication circuit is RS485 telecommunication circuits.
Preferably, the model G.REAL-M2 of the three-phase voltameter.
The beneficial effects of the utility model are：Energy consumption statistic module of the present utility model can monitor new blower fan system in real time
Energy consumption；The utility model can realize the switching manually booted with automatic start, beneficial to energy saving of system；Control module
G.REAL-AX can realize strong and weak electricity overall-in-one control schema, and the interference of harmonic protection device energy harmonic carcellation reaches energy-saving effect.
Brief description of the drawings
Fig. 1 is main loop circuit figure described in the utility model；
Fig. 2 is the utility model energy consumption statistic module circuit diagram；
Fig. 3 is the utility model control loop circuit diagram；
Fig. 4 is new blower fan Energy Saving Control and management system schematic diagram.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.
As Figure 1-4, a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption of the present utility model, its
It is characterized in：Including frequency converter, new blower fan harmonic protector, three-phase electricity is accessed in one end of the frequency converter by circuit breaker Q F1
Source, the new blower fan passes sequentially through electrothermal relay KH1, contactor KM1 main contacts and circuit breaker Q F1 access three phase mains, institute
State harmonic protection device and pass sequentially through circuit breaker Q F2, circuit breaker Q F1 access three phase mains, the other end of the frequency converter leads to successively
The main contacts and electrothermal relay KH1 for crossing contactor KM3 connect new blower fan；The control system also includes energy consumption statistic module, described
Energy consumption statistic module includes three-phase voltameter, and the three-phase voltameter accesses the end of incoming cables of major loop.
Preferably, the three-phase voltameter is transformer access type three-phase voltameter, U, V, W of the three-phase voltameter
End connects current transformer TA1, TA2 and TA3 respectively, and U1, V1, W1 end access three by fuse FU1, FU2 and FU3 respectively
Phase power supply, A, B end is connected by telecommunication circuit with host computer, U ', V ', W ' ends ground connection.
Preferably, the telecommunication circuit is RS485 telecommunication circuits, the model G.REAL-M2 of the three-phase voltameter.
As shown in figure 3, the control system also includes control loop, the control loop includes the manual power frequency control of new blower fan
Loop processed and automatic frequency-conversion control loop.
The manual industrial frequency control loop of new blower fan includes relay KA3, one end of the normally-closed contact of the relay KA3
Live wire L1, other end difference connecting valve SS1 and contactor KM3 normally opened contacts one end are connected, SS1 and contactor KM3 is switched
The other end of normally opened contact is all connected with switching ST1 one end, switch ST1 other end connection contactor KM2 one end, contactor
The KM2 other end passes through the contactor KM3 and electrothermal relay KH1 connecting to neutral lines that are sequentially connected, the automatic frequency-conversion control loop bag
Control module G.REAL-AX is included, the other end of the switch ST1 is also connected with the D00 terminals of the control module G.REAL-AX
105 ends, 108 end link control module G.REAL-AX of the D00 terminals of control module G.REAL-AX D01 terminals
Started to exchange fire line L1, control by relay KA3 normally opened contacts at 108 ends, 108 ends of control module G.REAL-AX D01, D00 terminal
109 ends of module G.REAL-AX D01 terminals connect one end of contactor KM3 normally-closed contacts, contactor KM3 normally-closed contacts
The other end connects one end of contactor KM1 coils and contactor KM2 circles, the other end connecting to neutral of contactor KM1, KM2 coil respectively
Line.
One end of the relay KA1 normally opened contacts connects one end of contactor KM2 normally opened contacts, and contactor KM2 is normally opened
The other end of contact connects one end of contactor KM3 normally opened contacts and one end of relay KA4 coils respectively, and contactor KM3 is normal
The other end for opening contact is started to exchange fire line L1, another terminal connecting zero line of relay KA4 coils.
The control loop also includes signal designation loop, and the signal designation loop includes relay KA4, KA2 and letter
Signal lamp HW1, HY1, one end connection live wire L1 of the relay KA4 normally opened contacts, other end connection signal lamp HW1 one end,
Signal lamp HW1 another terminal connecting zero line, one end connection live wire L1 of the relay KA2 normally opened contacts, other end connection signal
Lamp HY1 one end, signal lamp HY1 another terminal connecting zero line.
The course of work of the control loop is：Relay KA1 no powers when change-over switch ZT1 disconnects, now KA1 is normally closed
The closing of contact, normally opened contact disconnects, and switch SS1 controls relay KA3 after new blower fan, SS1 closures to be powered, and KA3 normally opened contacts are closed
Close, KA5 normally opened contacts closure, KM2 main contacts disconnects KM1 main contacts simultaneously, now the manual power frequency startup of new blower fan；Change-over switch
Relay KA1 energization work when ZT1 is closed, KA1 normally-closed contacts disconnect, KA1 normally opened contacts closure, if now contactor KM2 lines
Enclose and KM3 coil electricities, then contactor KM2, KM3 normally opened contacts are closed, now new blower fan automatic frequency-conversion starts；If contactor
KM1 coils must not be electric, then contactor KM2, KM3 coil electricities, and contactor KM2, KM3 normally-closed contact disconnect, normally opened contact closure,
The now automatic power frequency startup of new blower fan.
As shown in figure 4, the control module G.REAL-AX includes Fresh air handling units control cabinet and text display module.
The text display module includes communication interface end, pressure fan power end, analog input interface end, numeral letter
Number input interface end, analog signal output interface end and digital signal output interface end, communication interface end connecting tube are patted
Platform, the pressure fan power end connects pressure fan, and the analog input interface end inputs outdoor environment temperature, outdoor respectively
Ambient humidity, interior CO2 concentration, wind pushing temperature and blasting humidity, the analog signal output interface end is outputed signal to respectively
Cold water/hot water valve, steam valve and new air-valve, it is data signal input interface end difference input filter block signal, antifreeze
Switching signal and blower fan pressure difference switch signal.
The Fresh air handling units control cabinet connect respectively filter, frost prevention switch, new air-valve, cold water/hot water valve, steam valve,
Outdoor temperature humidity control cabinet, indoor detector CO2 detectors, air supply duct and new blower fan.
The management platform includes communication converter, monitoring computer and printer, and the communication converter, monitoring are calculated
Machine and printer are sequentially connected, and the communication converter connects the communication interface end.
Intelligent control module G.REAL-AX with energy-conservation programmable function, according to the gas concentration lwevel collected, with being
System control module setting value compares, and when gas concentration lwevel is higher than setting value, opens new blower fan, new air-valve FV-101 is opened,
To indoor carry out inletting fresh air, while according to ajutage HE-101, TE-101 warm and humid angle value of reality, dynamic control cold heat water valve
TV101, steam valve TV102 are acted, variable air rate regulation blower fan air output, wind pushing temperature and humidity is maintained at required scope
It is interior.
The chain and defencive function of control module：Pressure fan is shut down, and air-valve, electric control valve are simultaneously closed off, and pressure fan is opened
Dynamic, air-valve, electric control valve are opened simultaneously, and filter both sides are provided with differential pressure pickup PDA101, when pressure difference is higher than setting
Alarm is sent during value.Frost prevention switch TS-101 is provided with new blower fan cabinet, when temperature is less than setting value in the winter time, alarms and closes
New air-valve, stops fan operation.
When detect outdoor temperature humidity calculated through enthalpy be less than indoor enthalpy when, using outdoor ventilation mode, open fresh air
Machine, variable air rate regulation air output, opens new air-valve FV-101, while cold heat water valve TV-101, steam valve TV-102 are aided in
Regulation.
Simply preferred embodiment of the present utility model described above, comes for those skilled in the art
Say, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also by
It is considered as protection domain of the present utility model.
Claims (8)
1. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption, it is characterized in that：Including frequency converter, new blower fan and
Three phase mains is accessed in harmonic protection device, one end of the frequency converter by circuit breaker Q F1, and the new blower fan passes sequentially through hot relay
Device KH1, contactor KM1 main contacts and circuit breaker Q F1 access three phase mains, the harmonic protection device pass sequentially through breaker
QF2, circuit breaker Q F1 access three phase mains, and the other end of the frequency converter passes sequentially through contactor KM3 main contacts and hot relay
Device KH1 connects new blower fan；
The control system also includes energy consumption statistic module, and the energy consumption statistic module includes three-phase voltameter, the three-phase electricity
Scale accesses the end of incoming cables of major loop.
2. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 1, it is characterized in that：
The three-phase voltameter is transformer access type three-phase voltameter, and it is mutual that U, V, W end of the three-phase voltameter connects electric current respectively
Three phase mains is accessed in sensor TA1, TA2 and TA3, U1, V1, W1 end by fuse FU1, FU2 and FU3 respectively, and A, B end pass through logical
Letter circuit is connected with host computer, U ', V ', W ' ends ground connection.
3. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 1, it is characterized in that：
The control system also includes control loop, and the control loop includes the manual industrial frequency control loop of new blower fan and automatic frequency-conversion control
Loop processed；
The manual industrial frequency control loop of new blower fan includes relay KA3, and one end of the normally-closed contact of the relay KA3 is connected
Live wire L1, other end difference connecting valve SS1 and contactor KM3 normally opened contacts one end, switch SS1 and contactor KM3 are normally opened
The other end of contact is all connected with switching ST1 one end, switch ST1 other end connection contactor KM2 one end, contactor KM2
The other end by the contactor KM3 and electrothermal relay KH1 connecting to neutral lines that are sequentially connected, the automatic frequency-conversion control loop includes control
Molding block G.REAL-AX, the other end of the switch ST1 is also connected with the 105 of the D00 terminals of the control module G.REAL-AX
End, the 108 of 108 end link control module G.REAL-AX of the D00 terminals of control module G.REAL-AX D01 terminals
End, 108 ends of control module G.REAL-AX D01, D00 terminal are started to exchange fire line L1 by relay KA3 normally opened contacts, control mould
109 ends of block G.REAL-AX D01 terminals connect one end of contactor KM3 normally-closed contacts, contactor KM3 normally-closed contacts it is another
One end connects one end of contactor KM1 coils and contactor KM2 circles, another terminal connecting zero line of contactor KM1, KM2 coil respectively；
One end of the relay KA1 normally opened contacts connects one end of contactor KM2 normally opened contacts, contactor KM2 normally opened contacts
The other end connect one end of contactor KM3 normally opened contacts and one end of relay KA4 coils respectively, contactor KM3 is normally opened to be touched
The other end of point is started to exchange fire line L1, another terminal connecting zero line of relay KA4 coils.
4. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 3, it is characterized in that：
The control loop also includes signal designation loop, the signal designation loop include relay KA4, KA2 and signal lamp HW1,
HY1, one end connection live wire L1 of the relay KA4 normally opened contacts, other end connection signal lamp HW1 one end, signal lamp HW1
Another terminal connecting zero line, one end connection live wire L1 of the relay KA2 normally opened contacts, the one of other end connection signal lamp HY1
End, signal lamp HY1 another terminal connecting zero line.
5. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 3, it is characterized in that：
The control module G.REAL-AX includes Fresh air handling units control cabinet and text display module；
The text display module is defeated including communication interface end, pressure fan power end, analog input interface end, data signal
Incoming interface end, analog signal output interface end and digital signal output interface end, the communication interface end connection management platform, institute
Pressure fan power end connection pressure fan is stated, the analog input interface end inputs outdoor environment temperature, outdoor environment respectively
Humidity, interior CO2Concentration, wind pushing temperature and blasting humidity, the analog signal output interface end output signal to respectively cold water/
Hot water valve, steam valve and new air-valve, the data signal input interface end difference input filter block signal, frost prevention switch letter
Number and blower fan pressure difference switch signal；
The Fresh air handling units control cabinet connects filter, frost prevention switch, new air-valve, cold water/hot water valve, steam valve, outdoor respectively
Temperature and humidity control box, indoor detector CO2Detector, air supply duct and new blower fan.
6. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 5, it is characterized in that：
The management platform includes communication converter, monitoring computer and printer, the communication converter, monitoring computer and printing
Machine is sequentially connected, and the communication converter connects the communication interface end.
7. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 2, it is characterized in that：
The telecommunication circuit is RS485 telecommunication circuits.
8. a kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption according to claim 2, it is characterized in that：
The model G.REAL-M2 of the three-phase voltameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391794.XU CN206420112U (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391794.XU CN206420112U (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption |
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| Publication Number | Publication Date |
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| CN206420112U true CN206420112U (en) | 2017-08-18 |
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| CN201621391794.XU Active CN206420112U (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765941A (en) * | 2016-12-16 | 2017-05-31 | 山东金洲科瑞节能科技有限公司 | A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption |
-
2016
- 2016-12-16 CN CN201621391794.XU patent/CN206420112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765941A (en) * | 2016-12-16 | 2017-05-31 | 山东金洲科瑞节能科技有限公司 | A kind of central air-conditioning Fresh air handling units control system for monitoring real time energy consumption |
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