CN106523417A - Central air conditioner cooling tower fan one-driving-two control system for monitoring real-time energy consumption - Google Patents
Central air conditioner cooling tower fan one-driving-two control system for monitoring real-time energy consumption Download PDFInfo
- Publication number
- CN106523417A CN106523417A CN201611170757.0A CN201611170757A CN106523417A CN 106523417 A CN106523417 A CN 106523417A CN 201611170757 A CN201611170757 A CN 201611170757A CN 106523417 A CN106523417 A CN 106523417A
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- relay
- contacts
- normally
- catalyst
- normally opened
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- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 238000005265 energy consumption Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims description 69
- 230000007935 neutral effect Effects 0.000 claims description 25
- 238000004378 air conditioning Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a central air conditioner cooling tower fan one-driving-two control system for monitoring real-time energy consumption. The one-driving-two control system is characterized by comprising a frequency converter and two cooling fans. The cooling fans comprise a main fan #1 and a standby fan #2. The control system further comprises an energy consumption statistic module which comprises a three-phase electricity meter connected to an incoming line terminal of a main circuit. The control system can realize multi-point control and switching of manual starting and automatic starting. The energy consumption condition of the control system can be monitored in a real-time manner, so that energy saving is facilitated.
Description
Technical field
The present invention relates to central air-conditioning blower fan of cooling tower control system technical field, specifically a kind of to monitor real-time energy
The central air-conditioning blower fan of cooling tower one drag two control system of consumption.
Background technology
In order to possess more comfortable indoor environment, central air-conditioning is indispensable in having become people's work and living
Electrical equipment, but the consumption using air-conditioning to the energy is quite serious, is not had 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.
The content of the invention
For overcoming the shortcomings of that above-mentioned prior art is present, it is an object of the invention to provide in a kind of monitoring real time energy consumption
Centre air conditioner cooling tower blower fan one drag two control system, can real-time control and detection energy consumption, reach the purpose of energy-conservation.
The technical solution adopted for the present invention to solve the technical problems is：A kind of central air-conditioning cooling of monitoring real time energy consumption
Tower blower fan one drag two control system, is characterized in that：Including converter and two cooling blowers, the cooling blower includes the main wind of 1#
Machine and 2# standby fans, the control system also include energy consumption statistic module, and the energy consumption statistic module includes three-phase voltameter,
The three-phase voltameter accesses the end of incoming cables of major loop, and one end of the converter connects three phase mains, institute by circuit breaker Q F2
State 1# main air blowers and pass sequentially through thermorelay KH1, the main contacts of catalyst KM1 and circuit breaker Q F1 access three phase mains, the 2#
Standby fan passes sequentially through thermorelay KH2, the contact of catalyst KM4 and circuit breaker Q F3 and accesses three phase mains, converter it is another
One end also connects 1# main air blowers and 2# standby fans by the main contacts of the main contacts and catalyst KM3 of catalyst KM2 respectively.
Preferably, the three-phase voltameter be transformer access type three-phase voltameter, U, V, W end of the three-phase voltameter
Connect current transformer TA1, TA2 and TA3 respectively, three-phase electricity is accessed by fuse FU1, FU2 and FU3 respectively in U1, V1, W1 end
Source, A, B end are connected with host computer by telecommunication circuit, U ', V ', W ' ends ground connection.
Preferably, the control system also include control loop, the control loop include manual industrial frequency control loop and
Automatic frequency-conversion control loop.
Preferably, the control loop includes permutator ZT1, and one end of the permutator ZT1 is started to exchange fire line 501, separately
One end connects the other end connecting to neutral of one end of relay KA1 coils and KA2 coils, relay KA1 coils and KA2 coils respectively
Line, one end connection live wire 501 of the normally closed electric shocks of relay KA1, other end difference connecting valve SS1, SS2 and relay KA3,
One end of KA4 normally opened contacts, the other end for switching SS1 and relay KA3 normally opened contacts are all connected with switching one end of ST1, switch
The other end of the other end of ST1 by SRE KA3 coil connecting to neutral lines, the switch SS2 and relay KA4 normally opened contacts
It is all connected with switching one end of ST2, the other end for switching ST2 passes through SRE KA4 coil connecting to neutral lines；
The control loop also includes converter, the x1 of the converter：22 ends and x1：25 ends connect live wire 501, described
The x1 of converter：24 ends connect one end of relay KA1 normally opened contacts, and the other end of relay KA1 normally opened contacts connects respectively
One end of catalyst KM3 normally opened contacts and catalyst KM3 normally-closed contacts, the other end of catalyst KM3 normally-closed contacts is by successively
The catalyst KM1 normally-closed contacts being connected in series and catalyst KM2 coil connecting to neutral lines, the catalyst KM3 normally opened contacts it is another
One end of end difference downlink connection catalyst KM2 normally-closed contacts and one end of relay KA1 normally-closed contacts, catalyst KM2 is normally closed to be touched
The other end of point is sequentially connected in series relay by series contactor KM1 coil connecting to neutral lines, the other end of relay KA1 normally-closed contacts
KA5 normally opened contacts and relay KA3 normally opened contacts access live wire 501；
The x1 of the converter：27 ends connect relay KA2 normally opened contacts one end, relay KA2 normally opened contacts it is another
One end connects one end of catalyst KM2 normally opened contacts and catalyst KM2 normally-closed contacts respectively, catalyst KM2 normally-closed contacts it is another
One end passes through catalyst KM4 normally-closed contacts and the catalyst KM3 coil connecting to neutral lines being sequentially connected in series, and the catalyst KM2 is normal
Open one end and one end of relay KA2 normally-closed contacts of the other end difference downlink connection catalyst KM3 normally-closed contacts of contact, contact
The other end of device KM3 normally-closed contacts by series contactor KM4 coil connecting to neutral lines, the other end of relay KA2 normally-closed contacts according to
Secondary SRE KA6 normally opened contacts and relay KA4 normally opened contacts access live wire 501.
Preferably, the control loop also includes current foldback circuit, and the current foldback circuit includes thermorelay
KH1, KH2, one end of the thermorelay KH1 start to exchange fire line 501, and the other end is by SRE KA5 coil connecting to neutral lines, described
One end of thermorelay KH2 is started to exchange fire line 501, and the other end is by SRE KA6 coil connecting to neutral lines, the x1 of converter：10 ends
One end of connection relay KA1 normally opened contacts, the one of another relay termination KA5 normally opened contacts of relay KA1 normally opened contacts
End, another termination converter x1 of relay KA5 normally opened contacts：16 ends, the x1 of converter：It is normal that 10 ends are also connected with relay KA2
One end of contact is opened, one end of another relay termination KA6 normally opened contacts of relay KA2 normally opened contacts, relay KA6 are normally opened
Another termination converter x1 of contact：17 ends.
Preferably, the telecommunication circuit is RS485 telecommunication circuits.
Preferably, model G.REAL-M2 of the three-phase voltameter.
Preferably, the major loop also includes current transformer TA4 and TA5, the current transformer TA4 and TA5 difference
Connection 1# main air blowers and 2# standby fans.
The invention has the beneficial effects as follows：The energy consumption statistic module of the present invention is capable of the energy of real-time monitoring cooling tower fan system
Consumption；The present invention can realize manually booting and automatically actuated switching, beneficial to energy saving of system；Current foldback circuit, it is to avoid big electricity
Damage of the stream to device, extends device service life.
Description of the drawings
Fig. 1 is main loop circuit figure of the present invention；
Fig. 2 is energy consumption statistic module circuit diagram of the present invention；
Fig. 3 is control loop circuit diagram of the present invention.
Specific embodiment
For can clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its accompanying drawing is combined, to this
It is bright to be described in detail.
By the way of one drag two, i.e., one converter adds two cooling blowers to this blower fan of cooling tower control system.As schemed
Shown in 1-3, a kind of central air-conditioning blower fan of cooling tower one drag two control system of monitoring real time energy consumption of the present invention is characterized in that：
Including converter and two cooling blowers, the cooling blower includes 1# main air blowers and 2# standby fans, and the control system is also
Including energy consumption statistic module, the energy consumption statistic module includes three-phase voltameter, and the three-phase voltameter accesses entering for major loop
Line end, one end of the converter connect three phase mains by circuit breaker Q F2, and the 1# main air blowers pass sequentially through thermorelay
KH1, the main contacts of catalyst KM1 and circuit breaker Q F1 access three phase mains, and the 2# standby fans pass sequentially through thermorelay
KH2, the contact of catalyst KM4 and circuit breaker Q F3 access three phase mains, and the other end of converter also passes through catalyst KM2 respectively
Main contacts and catalyst KM3 main contacts connection 1# main air blowers and 2# standby fans.
Preferably, the major loop also includes current transformer TA4 and TA5, the current transformer TA4 and TA5 difference
Connection 1# main air blowers and 2# standby fans.
Preferably, the three-phase voltameter be transformer access type three-phase voltameter, model G.REAL-M2.Described three
U, V, W end of phase voltameter connects current transformer TA1, TA2 and TA3 respectively, U1, V1, W1 end respectively by fuse FU1,
FU2 and FU3 accesses three phase mains, and A, B end is connected with host computer by telecommunication circuit, U ', V ', W ' ends ground connection, the communication electricity
Road is RS485 telecommunication circuits.
As shown in figure 3, control system can realize multiparty control, the control system also includes control loop, the control
Loop processed includes manual industrial frequency control loop and automatic frequency-conversion control loop.
The control loop includes permutator ZT1, and one end of the permutator ZT1 is started to exchange fire line 501, other end difference
Another terminal connecting zero line of one end of connection relay KA1 coils and KA2 coils, relay KA1 coils and KA2 coils, relay
One end connection live wire 501 of the normally closed electric shocks of KA1, other end difference connecting valve SS1, SS2 and relay KA3, KA4 normally opened contact
One end, the other end for switching SS1 and relay KA3 normally opened contacts is all connected with switching one end of ST1, switchs the other end of ST1
Switch is all connected with by the other end of SRE KA3 coil connecting to neutral lines, the switch SS2 and relay KA4 normally opened contacts
One end of ST2, the other end for switching ST2 pass through SRE KA4 coil connecting to neutral lines；The control loop also includes frequency conversion
Device, the x1 of the converter：22 ends and x1：25 ends connect live wire 501, the x1 of the converter：Connection relay KA1 is normal at 24 ends
Open one end of contact, the other end of relay KA1 normally opened contacts connects catalyst KM3 normally opened contacts respectively and catalyst KM3 is normal
One end of closed contact, the other end of catalyst KM3 normally-closed contacts pass through the catalyst KM1 normally-closed contacts being sequentially connected in series and connect
Tentaculum KM2 coil connecting to neutral lines, the other end difference downlink connection catalyst KM2 normally-closed contacts of the catalyst KM3 normally opened contacts
One end and one end of relay KA1 normally-closed contacts, the other end of catalyst KM2 normally-closed contacts pass through series contactor KM1 coils
Connecting to neutral line, the other end of relay KA1 normally-closed contacts are sequentially connected in series relay KA5 normally opened contacts and relay KA3 normally opened contacts
Access live wire 501；The x1 of the converter：27 ends connect one end of relay KA2 normally opened contacts, relay KA2 normally opened contacts
The other end connect one end of catalyst KM2 normally opened contacts and catalyst KM2 normally-closed contacts, catalyst KM2 normally-closed contacts respectively
The other end by the catalyst KM4 normally-closed contacts that are sequentially connected in series and catalyst KM3 coil connecting to neutral lines, the catalyst
One end of the other end difference downlink connection catalyst KM3 normally-closed contacts of KM2 normally opened contacts and the one of relay KA2 normally-closed contacts
End, the other end of catalyst KM3 normally-closed contacts by series contactor KM4 coil connecting to neutral lines, relay KA2 normally-closed contacts it is another
One end is sequentially connected in series relay KA6 normally opened contacts and relay KA4 normally opened contacts access live wire 501.
Preferably, the control loop also includes current foldback circuit, and the current foldback circuit includes thermorelay
KH1, KH2, carry out overcurrent protection, and thermorelay KH1, KH2 disconnects when current is excessive.One termination of the thermorelay KH1
Live wire 501, the other end by SRE KA5 coil connecting to neutral lines, start to exchange fire line 501, another by one end of the thermorelay KH2
End is by SRE KA6 coil connecting to neutral lines, the x1 of converter：10 ends connect one end of relay KA1 normally opened contacts, relay
One end of another relay termination KA5 normally opened contacts of device KA1 normally opened contacts, another termination of relay KA5 normally opened contacts become
Frequency device x1：16 ends, the x1 of converter：10 ends are also connected with one end of relay KA2 normally opened contacts, relay KA2 normally opened contacts
One end of another relay termination KA6 normally opened contacts, another termination converter x1 of relay KA6 normally opened contacts：17 ends.
The manual industrial frequency control loop and the operation principle of automatic frequency-conversion control loop：Permutator ZT1 disconnect when after
Electrical equipment KA1 coil no powers, now KA1 normally-closed contacts closure, normally opened contact disconnection, switch SS1 control 1# main air blowers, switch
Relay KA3 coil electricities after SS1 closures, relay KA3 normally opened contacts closure, relay KA5 normally opened contacts closure, catalyst
KM2 main contacts disconnects KM1 main contacts closure simultaneously, now the manual power frequency startup of 1# main air blowers；Permutator ZT1 disconnect constantly after
Electrical equipment KA2 coil no powers, now relay KA2 normally-closed contacts closure, normally opened contact disconnection switch the standby wind of SS2 control 2#
Machine, relay KA4 coil electricities after switch SS2 closures, relay KA4 normally opened contacts closure, relay KA6 normally opened contacts are closed
Close, catalyst KM3 main contacts disconnects catalyst KM4 main contacts closure simultaneously, now the manual power frequency startup of 2# standby fans.
Relay KA1 coils and the work of relay KA2 coil electricities, relay KA1 and KA2 when permutator ZT1 is closed
Normally-closed contact disconnects, relay KA1 and KA2 normally opened contact closure, if catalyst KM2 coil electricities, catalyst KM2 is normally opened to be touched
Point closure, catalyst KM4 coil electricities, catalyst KM1 coils and catalyst KM3 coil no powers, now 1# main air blowers are automatic
Variable frequency starting, the automatic power frequency startup of 2# standby fans；If catalyst KM1 coils obtain electric, catalyst KM2 coil no powers connect
Tentaculum KM2 normally-closed contacts closure, normally opened contact disconnect, and now catalyst KM3 coils obtain electric, catalyst KM4 coil no powers, this
When the automatic power frequency startup of 1# main air blowers, 2# standby fans automatic frequency-conversion start.
The above is the preferred embodiment of the present invention, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this
Bright protection domain.
Claims (8)
1. a kind of central air-conditioning blower fan of cooling tower one drag two control system of monitoring real time energy consumption, is characterized in that：Including converter
With two cooling blowers, the cooling blower includes 1# main air blowers and 2# standby fans, and the control system is also united including energy consumption
Meter module, the energy consumption statistic module include three-phase voltameter, and the three-phase voltameter accesses the end of incoming cables of major loop, the change
One end of frequency device connects three phase mains by circuit breaker Q F2, and the 1# main air blowers pass sequentially through thermorelay KH1, catalyst KM1
Main contacts and circuit breaker Q F1 access three phase mains, the 2# standby fans pass sequentially through thermorelay KH2, catalyst KM4
Contact and circuit breaker Q F3 access three phase mains, and the other end of converter is also respectively by the main contacts and catalyst of catalyst KM2
The main contacts connection 1# main air blowers of KM3 and 2# standby fans.
2. it is according to claim 1 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The three-phase voltameter is transformer access type three-phase voltameter, and U, V, W end of the three-phase voltameter connects respectively
Current transformer TA1, TA2 and TA3 is met, three phase mains, A, B are accessed by fuse FU1, FU2 and FU3 respectively in U1, V1, W1 end
End is connected with host computer by telecommunication circuit, U ', V ', W ' ends ground connection.
3. it is according to claim 1 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The control system also includes control loop, and the control loop includes manual industrial frequency control loop and change automatically
Frequency control loop.
4. it is according to claim 3 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The control loop includes permutator ZT1, and one end of the permutator ZT1 is started to exchange fire line 501, the other end point
Not Lian Jie relay KA1 coils and KA2 coils one end, another terminal connecting zero line of relay KA1 coils and KA2 coils, relay
One end connection live wire 501 of the normally closed electric shocks of device KA1, the other end distinguishes connecting valve SS1, SS2 and relay KA3, KA4 are normally opened tactile
One end of point, the other end for switching SS1 and relay KA3 normally opened contacts are all connected with switching one end of ST1, switch the another of ST1
End is all connected with out by the other end of SRE KA3 coil connecting to neutral lines, the switch SS2 and relay KA4 normally opened contacts
One end of ST2 is closed, the other end for switching ST2 passes through SRE KA4 coil connecting to neutral lines；
The control loop also includes converter, the x1 of the converter：22 ends and x1：25 ends connect live wire 501, the frequency conversion
The x1 of device：24 ends connect one end of relay KA1 normally opened contacts, and the other end of relay KA1 normally opened contacts connects contact respectively
One end of device KM3 normally opened contacts and catalyst KM3 normally-closed contacts, the other end of catalyst KM3 normally-closed contacts is by being sequentially connected in series
The catalyst KM1 normally-closed contacts and catalyst KM2 coil connecting to neutral lines of connection, the other end point of the catalyst KM3 normally opened contacts
One end of other downlink connection catalyst KM2 normally-closed contacts and one end of relay KA1 normally-closed contacts, catalyst KM2 normally-closed contacts
The other end is sequentially connected in series relay KA5 by series contactor KM1 coil connecting to neutral lines, the other end of relay KA1 normally-closed contacts
Normally opened contact and relay KA3 normally opened contacts access live wire 501；
The x1 of the converter：27 ends connect one end of relay KA2 normally opened contacts, the other end of relay KA2 normally opened contacts
Connect one end of catalyst KM2 normally opened contacts and catalyst KM2 normally-closed contacts, the other end of catalyst KM2 normally-closed contacts respectively
By the catalyst KM4 normally-closed contacts that are sequentially connected in series and catalyst KM3 coil connecting to neutral lines, the catalyst KM2 is normally opened to be touched
One end and one end of relay KA2 normally-closed contacts of the other end difference downlink connection catalyst KM3 normally-closed contacts of point, catalyst
, by series contactor KM4 coil connecting to neutral lines, the other end of relay KA2 normally-closed contacts is successively for the other end of KM3 normally-closed contacts
SRE KA6 normally opened contacts and relay KA4 normally opened contacts access live wire 501.
5. it is according to claim 3 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The control loop also includes current foldback circuit, and the current foldback circuit includes thermorelay KH1, KH2,
One end of the thermorelay KH1 is started to exchange fire line 501, and the other end is by SRE KA5 coil connecting to neutral lines, the thermorelay
One end of KH2 is started to exchange fire line 501, and the other end is by SRE KA6 coil connecting to neutral lines, the x1 of converter：10 ends connect relay
One end of device KA1 normally opened contacts, one end of another relay termination KA5 normally opened contacts of relay KA1 normally opened contacts, relay
Another termination converter x1 of KA5 normally opened contacts：16 ends, the x1 of converter：10 ends are also connected with the one of relay KA2 normally opened contacts
End, one end of another relay termination KA6 normally opened contacts of relay KA2 normally opened contacts, relay KA6 normally opened contacts it is another
Termination converter x1：17 ends.
6. it is according to claim 2 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The telecommunication circuit is RS485 telecommunication circuits.
7. it is according to claim 2 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：Model G.REAL-M2 of the three-phase voltameter.
8. it is according to claim 1 it is a kind of monitoring real time energy consumption central air-conditioning blower fan of cooling tower one drag two control system,
It is characterized in that：The major loop also includes current transformer TA4 and TA5, and the current transformer TA4 and TA5 connects 1# respectively
Main air blower and 2# standby fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170757.0A CN106523417B (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning blower fan of cooling tower one drag two control system of monitoring real time energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170757.0A CN106523417B (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning blower fan of cooling tower one drag two control system of monitoring real time energy consumption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523417A true CN106523417A (en) | 2017-03-22 |
| CN106523417B CN106523417B (en) | 2018-07-24 |
Family
ID=58339650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611170757.0A Active CN106523417B (en) | 2016-12-16 | 2016-12-16 | A kind of central air-conditioning blower fan of cooling tower one drag two control system of monitoring real time energy consumption |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62255590A (en) * | 1986-04-30 | 1987-11-07 | Fuji Electric Co Ltd | Control circuit for constantly operating feed water discharge pressure of pump system |
| CN201054910Y (en) * | 2006-12-04 | 2008-05-07 | 桐乡市水利勘测设计咨询有限公司 | Self-control frequency-conversion control cabinet for agriculture irrigation |
| CN202326333U (en) * | 2011-11-15 | 2012-07-11 | 深圳市紫衡技术有限公司 | Fan control circuit for central air-conditioning cooling tower |
| CN103174197A (en) * | 2013-03-31 | 2013-06-26 | 辽宁华冶集团发展有限公司 | Control method and control loop for frequency conversion soft start of constant voltage circulatory water supply |
| CN203742946U (en) * | 2014-03-24 | 2014-07-30 | 襄阳西顿自动化仪表有限公司 | Water-cooled air compressor energy saving device |
| CN105864967A (en) * | 2016-04-11 | 2016-08-17 | 九州方圆实业控股(集团)有限公司 | Integrated optimization energy-saving system of central air-conditioning refrigeration station |
-
2016
- 2016-12-16 CN CN201611170757.0A patent/CN106523417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62255590A (en) * | 1986-04-30 | 1987-11-07 | Fuji Electric Co Ltd | Control circuit for constantly operating feed water discharge pressure of pump system |
| CN201054910Y (en) * | 2006-12-04 | 2008-05-07 | 桐乡市水利勘测设计咨询有限公司 | Self-control frequency-conversion control cabinet for agriculture irrigation |
| CN202326333U (en) * | 2011-11-15 | 2012-07-11 | 深圳市紫衡技术有限公司 | Fan control circuit for central air-conditioning cooling tower |
| CN103174197A (en) * | 2013-03-31 | 2013-06-26 | 辽宁华冶集团发展有限公司 | Control method and control loop for frequency conversion soft start of constant voltage circulatory water supply |
| CN203742946U (en) * | 2014-03-24 | 2014-07-30 | 襄阳西顿自动化仪表有限公司 | Water-cooled air compressor energy saving device |
| CN105864967A (en) * | 2016-04-11 | 2016-08-17 | 九州方圆实业控股(集团)有限公司 | Integrated optimization energy-saving system of central air-conditioning refrigeration station |
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| Publication number | Publication date |
|---|---|
| CN106523417B (en) | 2018-07-24 |
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