CN200965296Y - Intelligent heat-exchanging machine set - Google Patents
Intelligent heat-exchanging machine set Download PDFInfo
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- CN200965296Y CN200965296Y CN 200620011237 CN200620011237U CN200965296Y CN 200965296 Y CN200965296 Y CN 200965296Y CN 200620011237 CN200620011237 CN 200620011237 CN 200620011237 U CN200620011237 U CN 200620011237U CN 200965296 Y CN200965296 Y CN 200965296Y
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000008400 supply water Substances 0.000 claims description 17
- 239000013589 supplement Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses an intelligent heat exchanger unit belonging to heating heat transfer equipment, in particular to a hot-exchange unit which is provided with a computer intelligence controlling equipment. The intelligent heat exchanger unit adopts an S 7-200 programmable program to collect data such as temperature pressure, flow and temperature outdoors of vapor, system hot water supply, return water and condensed water and programs according to the demand of users on heating, realizing automatic, programmable and remote control. The utility model has the advantages of that the hot-exchange unit is exact in control, reliable in operation and automatically regulate heat output and frequency conversion of the supply pump according to the change of temperature outdoors and the required conditions and also the utility model can carry out an automatic fixed pressure control and variable frequency control of the circulating pump, so as to save heat energy and reduce electric consumption.
Description
Technical field
The utility model belongs to heating and heat exchange equipment, and the heat exchange unit of computer intelligence control device particularly is housed.
Background technology
After the steam that civilian central heating area steam power plant produces is delivered to the sub-district, change into high-temperature-hot-water and deliver to the heating user by the heat exchange unit, traditional heat exchange unit adopts Artificial Control, the big control of floor space is complicated, in recent years along with the application of Computer Control Technology, many heat exchange units have adopted automatic control technology, tentatively solved artificial post problem, but still there are many shortcomings, can not in time make a response during as variations in temperature to external world causes temperature to cross the end or too high wasting energy, can not can't carry out long-distance remote control etc. according to requiring to regulate heating quality with the difference of heat in each time period.
The utility model content
The purpose of this utility model provides a kind of various technical scheme of carrying out the novel intelligent heat exchange unit of intelligent control with heat demand that can set according to the user.
The technical solution of the utility model is, a kind of intelligent heat-exchange unit, comprise steam inlet, heat exchanger, system's heat supply water out, system's water return outlet, expansion tank, water circulating pump, small pump, water supply tank, condensation-water drain, it is characterized in that: steam-flow meter, steam pressure transmitter, vapor (steam) temperature transmitter, admission motor-driven valve are housed between steam inlet and heat exchanger successively; Water supply flow meter, system's heat supply water pressure transmitter, system's heat supply coolant-temperature gage transmitter are housed between hot water outlet and heat exchanger successively; At water return outlet to system's pressure of return water transmitter, system's return water temperature transmitter, the water circulating pump of Frequency Converter Control, backwater check-valves are housed between the heat exchanger successively, the small pump that expansion tank, Frequency Converter Control are housed in parallel on the water return pipeline, electronic water compensating valve, water supply tank are housed between water supplement port and the small pump successively, water supply tank water level transmitter, water make-up check valve are housed in the water supply tank; Condensed water motor-driven valve parallel with one another and condensed water hand-operated valve are housed between heat exchanger and the condensate drain outlet; Steam-flow meter, steam pressure transmitter, vapor (steam) temperature transmitter, water supply flow meter, system's heat supply water pressure transmitter, system's heat supply coolant-temperature gage transmitter, system's pressure of return water transmitter, system's return water temperature transmitter, the water supply tank water level transmitter is connected to the signal input part of Programmable Logic Controller PLC, admission motor-driven valve, electronic water compensating valve, condensed water motor-driven valve, frequency-variable controller are connected to the signal output part of PLC, and the outdoor temperature transmitter also is housed on the PLC.
Described Programmable Logic Controller PLC is that 3 EM 235 analog quantity input/output modules are adopted in its input and output of S7-200 programmable logic controller.
Described Programmable Logic Controller PLC is provided with branch time setting heat supply intensity module.
Described Programmable Logic Controller PLC is provided with cable interface RS232 and the RS485 that connects controller, is provided with remote control.
Intelligent hot unit it adopt fuzzy control theory in conjunction with the PLC controller, by temperature sensor, pressure transmitter etc., constitutes closed-loop regulating system.Press constant temperature, energy-conservation optimization operation principle, along with the variation of water temperature, control system is constantly carried out temperature sampling, and logical operation and artificial neuron's control algolithm are regulated computing, thereby realize temperature automatically controlled purpose.
Programmable Logic Controller PLC of the present utility model has 18 road DI input, No. 12 relay DO output, and the input of 4 road PT100 temperature signals, the input of 4 road AI signals can be 4～20mA, as flow signal, also can be the teletransmission Pressure gauge, or 0～10V.2 road AO signals can be 4～20mA or 0～10V, can directly control frequency converter and temperature-sensing valve, two communication interfaces, and RS232 and RS485 can connect multiple ancillary equipment, as touch-screen, mini-printer, upper monitoring computer etc.It is the circulating pump VFC (amount is regulated) of control target that circulating pump is adopted with secondary confession/backwater pressure reduction, is aided with temperature difference compensation circulating pump control main points and is: low discharge, the big temperature difference.
When the water supply tank liquid level was lower than ultralow value, controller sent alarm signal and stops small pump, allowed small pump to put into operation when liquid level is higher than low value.By gathering the data of secondary net pressure of return water transmitter, according to the pressure of return water setting value, the rotating speed of frequency conversion small pump is regulated in computing automatically through PID, and pressure of return water is stabilized within the range of set value.
When secondary net pressure of return water was lower than ultralow value, controller sent alarm signal and cuts out motor-driven valve, and motor-driven valve cuts out 30 seconds, and circulating pump is out of service afterwards, and pressure of return water is higher than low value and allows circulating pump to put into operation.By gathering the data of secondary net for the pressure of return water transmitter, according to supplying backwater pressure differential resetting value, the rotating speed of frequency converter circulating pump is regulated in computing automatically through PID, will be stabilized within the range of set value for backwater pressure reduction.
Intelligent controller is according to the data of gathering outdoor temperature sensor, and according to the temperature compensation data that configures, its establishing method is: the low more offset of outdoor temperature should be big more, and be on the occasion of; The high more offset of outdoor temperature should be more little, and be negative value; Automatically adjust secondary net supply water temperature setting value.By gathering the data of secondary net supply water temperature sensor, according to the supply water temperature setting value,, net steam supply motor-driven valve is once automatically adjusted through the PID computing, secondary net supply water temperature is stabilized within the range of set value.Both warm, comfortable indoor environment can be kept, and heat energy can be farthest saved again.Be aided with outdoor temperature according to the temperature sequential and compensate and adjust unit load, both guaranteed heating quality, accomplish economical operation again.
Small pump is adopted the small pump control and the automatic pressure control system of static state/dynamic two kinds of mode of operations; be the porch of the system pressure sampled point of secondary side at circulating pump; when circulating pump is shut down (static state) with start (dynamically); pressure alters a great deal, and PLC selects the mode of operation of small pump automatically according to the state of circulating pump.Secondary heating agent pressure of return water is in a certain setting range, and secondary heating agent pressure of return water is lower than automatic unlatching of small pump of prescribing a time limit under the setting range and boosts; Pressure reaches small pump automatic stop in limited time on the setting range.When secondary heating agent pressure of return water surpasses setting range upper limit certain value, safety valve draining pressure release, it is suitable to keep secondary heating agent pressure of return water.
Can set 4 operation periods in automatic running status, temperature control at times can make unit according to the sequential chart that configures unit load be switched between comfortable/low temperature mode, thereby saves heat energy following every day.There is real-time clock PLC control able to programme inside, can control unit by the timetable operation of setting according to slip chart.Can be for 1. full-automatic:, automatically switch in the time period in corresponding time period and low temperature according to the comfortable timetable that sets.2. constant comfortable:, irrelevant with the time period according to the comfort temperature operation that sets.3. constant low temperature:, irrelevant with the time period according to the low-temperature condition operation that sets.4. standby is antifreeze: only keeping the heating supply water temperature is 10 degree of frost protection.
Control system can adopt automatically and manual two kinds of Starting mode.Motor starts by frequency converter, and electric moter voltage adopts digital self-acting slope compensation technique, and motor is walked unhurriedly, and that system mechanics is impacted is little for raising speed, can the significant prolongation electric control element and life-span of electromechanics.Have perfect motor, and frequency converter autoprotection function: motor under-voltage, regeneration overvoltage, overcurrent, overload, short circuit, overtemperature protection etc.
System has perfect warning function, in time understands the ruuning situation of equipment, and warning information is made corresponding judgment and operation.
The utlity model has remote control function: the unit on-site control by Ethernet, is transferred to the upper monitoring computer of central control room after signals collecting is put in order; The operational order of central control room sends the unit of appointment equally to by Ethernet.The function software of host computer configuration is the technical grade configuration software of standard, can hold the control scale at up to ten thousand control points; The structures shape of Ethernet it have goodish compatibility and autgmentability.Can expand to a plurality of heat exchange stations easily and enter central control room simultaneously.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model,
Among the figure, 1. steam-flow meter, 2. steam pressure transmitter, 3. vapor (steam) temperature transmitter, 4. admission motor-driven valve, 5. heat exchanger, 6. small pump frequency converter, 7. water circulating pump frequency converter, 8. Programmable Logic Controller PLC, 9. outdoor temperature transmitter, 10 systems heat supply water pressure transmitter, 11. systems heat supply coolant-temperature gage transmitter, 12. the heat supply water ga(u)ge, 13. water circulating pumps, 14. system's pressure of return water transmitters, 15. system's return water temperature transmitter, 16. water return outlets, 17. check-valves, 18. water make-up check valve, 19. small pump, 20. expansion tanks, 21. expansion tank valves, 22. discharge outlet, 23. water supply tank, 24. water supply tank water level transmitters, 25. electronic water compensating valves, 26. water supplement port, 27. condensate drain outlet, 28. condensed water motor-driven valves, 29. condensed water hand-operated valves.
The specific embodiment
The specific embodiment of the present utility model is, as shown in the figure:
Claims (4)
1. intelligent heat-exchange unit, comprise steam inlet, heat exchanger, system's heat supply water out, system's water return outlet, expansion tank, water circulating pump, small pump, water supply tank, condensation-water drain, it is characterized in that: steam-flow meter, steam pressure transmitter, vapor (steam) temperature transmitter, admission motor-driven valve are housed between steam inlet and heat exchanger successively; Water supply flow meter, system's heat supply water pressure transmitter, system's heat supply coolant-temperature gage transmitter are housed between hot water outlet and heat exchanger successively; At water return outlet to system's pressure of return water transmitter, system's return water temperature transmitter, the water circulating pump of Frequency Converter Control, backwater check-valves are housed between the heat exchanger successively, the small pump that expansion tank, Frequency Converter Control are housed in parallel on the water return pipeline, electronic water compensating valve, water supply tank are housed between water supplement port and the small pump successively, water supply tank water level transmitter, water make-up check valve are housed in the water supply tank; Condensed water motor-driven valve parallel with one another and condensed water hand-operated valve are housed between heat exchanger and the condensate drain outlet; Steam-flow meter, steam pressure transmitter, vapor (steam) temperature transmitter, water supply flow meter, system's heat supply water pressure transmitter, system's heat supply coolant-temperature gage transmitter, system's pressure of return water transmitter, system's return water temperature transmitter, the water supply tank water level transmitter is connected to the signal input part of Programmable Logic Controller PLC, admission motor-driven valve, electronic water compensating valve, condensed water motor-driven valve, frequency-variable controller are connected to the signal output part of PLC, and the outdoor temperature transmitter also is housed on the PLC.
2. intelligent heat-exchange unit according to claim 1 is characterized in that: described Programmable Logic Controller PLC is that 3 EM 235 analog quantity input/output modules are adopted in its input and output of S7-200 programmable logic controller.
3. intelligent heat-exchange unit according to claim 1 is characterized in that: described Programmable Logic Controller PLC is provided with branch time setting heat supply intensity module.
4. intelligent heat-exchange unit according to claim 1 is characterized in that: described Programmable Logic Controller PLC is provided with cable interface RS232 and the RS485 that connects controller, is provided with remote control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620011237 CN200965296Y (en) | 2006-10-25 | 2006-10-25 | Intelligent heat-exchanging machine set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620011237 CN200965296Y (en) | 2006-10-25 | 2006-10-25 | Intelligent heat-exchanging machine set |
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| CN200965296Y true CN200965296Y (en) | 2007-10-24 |
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| CN 200620011237 Expired - Fee Related CN200965296Y (en) | 2006-10-25 | 2006-10-25 | Intelligent heat-exchanging machine set |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749782A (en) * | 2010-02-10 | 2010-06-23 | 张达 | Heating system for high-efficiency and energy-saving heat exchanger |
| CN101915454A (en) * | 2010-08-12 | 2010-12-15 | 温州浙康制药装备科技有限公司 | Pressurized hot water dynamic circulating heating system |
| CN102345893A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Efficient energy-saving full-automatic heat exchange unit |
| CN101196311B (en) * | 2008-01-07 | 2012-05-02 | 张伟 | Control device for heating system |
| CN103278038A (en) * | 2013-05-16 | 2013-09-04 | 江苏昊隆换热器有限公司 | Novel plate heat exchanger |
| CN104482799A (en) * | 2014-12-30 | 2015-04-01 | 黑龙江国德节能服务有限公司 | Modular heat exchange unit sequential starting control system and control method |
| CN105822404A (en) * | 2016-03-24 | 2016-08-03 | 中车青岛四方机车车辆股份有限公司 | Water supplementation system and air-conditioned power generation car with same |
| CN111550867A (en) * | 2020-05-28 | 2020-08-18 | 黑龙江福恩德瑞能源科技有限公司 | Automatic control method of efficient decontamination mixing heat exchange unit |
| CN114812261A (en) * | 2022-03-25 | 2022-07-29 | 中国恩菲工程技术有限公司 | Constant pressure water replenishing device |
-
2006
- 2006-10-25 CN CN 200620011237 patent/CN200965296Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196311B (en) * | 2008-01-07 | 2012-05-02 | 张伟 | Control device for heating system |
| CN101749782A (en) * | 2010-02-10 | 2010-06-23 | 张达 | Heating system for high-efficiency and energy-saving heat exchanger |
| CN101915454A (en) * | 2010-08-12 | 2010-12-15 | 温州浙康制药装备科技有限公司 | Pressurized hot water dynamic circulating heating system |
| CN102345893A (en) * | 2011-07-21 | 2012-02-08 | 青岛沈源水务科技有限公司 | Efficient energy-saving full-automatic heat exchange unit |
| CN103278038A (en) * | 2013-05-16 | 2013-09-04 | 江苏昊隆换热器有限公司 | Novel plate heat exchanger |
| CN104482799A (en) * | 2014-12-30 | 2015-04-01 | 黑龙江国德节能服务有限公司 | Modular heat exchange unit sequential starting control system and control method |
| CN105822404A (en) * | 2016-03-24 | 2016-08-03 | 中车青岛四方机车车辆股份有限公司 | Water supplementation system and air-conditioned power generation car with same |
| CN111550867A (en) * | 2020-05-28 | 2020-08-18 | 黑龙江福恩德瑞能源科技有限公司 | Automatic control method of efficient decontamination mixing heat exchange unit |
| CN114812261A (en) * | 2022-03-25 | 2022-07-29 | 中国恩菲工程技术有限公司 | Constant pressure water replenishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG HAOCANG ENVIRONMENTAL TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: YIN CHENGMIN Effective date: 20090703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090703 Address after: Huaiyin District of Ji'nan City, Shandong province moral Street Sunshine Business Center Room 6002, zip code: 250022 Patentee after: Shandong Han Chang Environmental Technology Co., Ltd. Address before: Shandong Dragon King Industrial Park, Changqing District, Shandong City, Ji'nan Province, China: 250308 Patentee before: Yin Chengmin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20131025 |