CN103557554A - Automatic control system for household renewable heat pump hot water system - Google Patents
Automatic control system for household renewable heat pump hot water system Download PDFInfo
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- CN103557554A CN103557554A CN201310537485.3A CN201310537485A CN103557554A CN 103557554 A CN103557554 A CN 103557554A CN 201310537485 A CN201310537485 A CN 201310537485A CN 103557554 A CN103557554 A CN 103557554A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 230000003020 moisturizing effect Effects 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000008929 regeneration Effects 0.000 claims description 12
- 238000011069 regeneration method Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 12
- 238000013480 data collection Methods 0.000 abstract 1
- 238000005382 thermal cycling Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 18
- 238000009825 accumulation Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses an automatic control system for a household renewable heat pump hot water system. The automatic control system comprises a household terminal heat exchanging main machine (3) and a sewage heat exchanging pipeline system which is arranged in a sewage pond, wherein the household terminal heat exchanging main machine (3) and the sewage heat exchanging pipeline system form a thermal cycling exchanging unit, and the automatic control system is characterized in that the terminal heat exchanging main machine (3) comprises a PLC (programmable logic control) central control system, and the PLC central control system comprises a data collection device which is connected with each device of the sewage h eat exchanging pipeline system and a central automatic controller which can automatically control the entire system according to the collected data. By adopting the full-automatic PLC control system, the automatic control system has the characteristics of reliability, security, automation and the like and has good market competence.
Description
Technical field
The present invention relates to a kind of sewage heat source regeneration techniques field, specifically, relate to a kind of family expenses regeneration heat pump hot-water system automatic control system.
Background technology
Urbanization in China was accelerated in recent years, and people also more and more pay close attention to the living environment of oneself.Part residential quarters have been equipped with 24 hours centralizedly supply hot water supply systems.Although it is convenient and comfortable that this system has been brought to people's life, because Building Heat water consumption is subject to certain restrictions compared with high.There is data to show: various commercial, residential housing energy consumption of hot water account for the 10%-40% of total energy consumption.For centralizedly supply domestic hot-water, guarantee 24 hours uninterruptedly, reduce as far as possible again Building Heat water consumption simultaneously, need rational system.The system of applying in the market adopts mostly concentrates heating, and family, the pattern of charge according to quantity are arrived in heat supply.But it is huge that this pattern exists 24 hours circulation heating energy consumptions, number of users underaging rate is extremely low, user uses difficult charge etc. problems after hot water, and there is complex structure in system, the shortcoming that automaticity is low, the more important thing is, existing water source heat pump system cannot be realized automatic control information and upload, thereby make operation and staff can clearly recognize water resource heat pump working condition, the more important thing is, in current water resource heat pump, the data statistics system that there is no a kind of system, can to whole heat pump, can analyze by this statistical system, thereby facilitate staff to have better understanding to the system of different periods.
Summary of the invention
The present invention is directed to existing water resource heat pump, exist 24 hours circulation heating energy consumptions huge, number of users underaging rate is extremely low, user uses difficult charge after hot water, there is complex structure in system, automaticity is low, cannot facilitate staff to recognize the shortcoming of working equipment information, and a kind of family expenses regeneration heat pump hot-water system automatic control system of optimization is provided.
The scheme of system of the present invention is by such realization: a kind of family expenses regeneration heat pump hot-water system automatic control system, comprise home terminal heat exchange main frame, be arranged in addition the sewerage heat energy exchange pipe-line system of cesspool, described home terminal heat exchange main frame and sewerage heat energy exchange pipe-line system form thermal cycle crosspoint, in described terminal heat exchange main frame, comprise PLC central control system, described PLC central control system comprises the data acquisition equipment being connected with each device of sewerage heat energy exchange pipe-line system, and control according to collected data the central automatic controller that whole system is controlled automatically.
General plotting of the present invention is: by a PLC central control system is set, each device in sewerage heat energy exchange pipe-line system is carried out to data acquisition, and automatically control, thereby realize the effect of automatically controlling water resource heat pump.
In the present invention, described sewerage heat energy exchange pipe-line system comprises exchange pipeline, and the intermediary's water tank on exchange pipeline, heat exchange coil heat collector is arranged in foul drainage cesspool, and described data acquisition equipment arranges as follows: described hot coil heat collector is provided with heat-obtaining source temperature sensor; On exchange pipeline, be not provided with for recording WG and the water yield detector that pressure changes and discharge changes; In exchange pipeline, be also provided with for gathering hot water temperature's detector of exchanged heat coolant-temperature gage.
The above PLC central control system also comprises for gathering the environment temperature inductor of environment temperature.Above-described collecting device can also be also that existing equipment improves, for example, it can be temperature sensor that hot coil heat collector is provided with temperature acquisition equipment, in water pump, hydraulic pressure collecting device can be pressure transformative transducer etc., the outdoor temperature acquisition equipment of environment temperature is air temperature sensor, and it is not limited in the description described equipment of merely hitting.
In described exchange pipeline, be also connected with moisturizing pipeline, described moisturizing pipeline water filling switch is controlled by PLC central control system.When the water yield detector of exchange in pipeline detects in exchange pipeline discharge reduction, information is fed back in PLC central control system, PLC central control system is controlled and is controlled moisturizing pipeline and start water filling.
Described data acquisition equipment correspondence is provided with and Data Analysis can be transferred to the module component of central automatic controller, for example, environment temperature inductor is corresponding is environment temperature detection module, the corresponding heat-obtaining of heat-obtaining source temperature sensor source detection module, the corresponding siphon pressure detection module of WG, the corresponding water pipe moisturizing of water yield detector detection module, hot water temperature's detectors hot water induction module.By described data acquisition equipment, send data in PLC central control system, and process through central automatic controller, then be fed back to the running that each corresponding component regulates whole system automatically.
Above automatic control system, comprises following automatic Control the content:
1. PLC environment temperature detects: by the environment temperature detection module in PLC central control system, collect the environment temperature that environment temperature inductor detects, automatically to regulate the gentle heat exchange working time of supplying hot water of heat exchange main frame;
2. PLC heat-obtaining source is detected: according to the temperature conditions of heat-obtaining source temperature sensor, by heat-obtaining source detection module, information is sent in PLC and is controlled, to adjust the heat-obtaining requirement of heat exchange coil heat collector, if heat-obtaining source detected, fail to reach default heat-obtaining requirement, PLC control heat exchanger tube heat collector stops heat-obtaining;
3. PLC coolant-temperature gage detects: by hot water temperature in temperature sensor senses water pipe, and Information Monitoring is transferred to PLC central control system by hot water induction module, thereby transfer central automatic controller, automatically control the water pipe water yield to realize the effect of exchange heat;
4. PLC siphon pressure detects: by gathering the pressure count certificate in water pump, siphon pressure detection module is sent to information in PLC central control system, thereby by detecting hydraulic pressure, can judge by force whether fault of water pump, by and by communication systems communicate information to administrative staff's contact communication device;
5. home terminal heat exchanger autostop: when PLC central control system detects home terminal heat exchanger and breaks down, can automatically control it and shut down.
By taking above autocontrol method, can be so that by the general PLC module of design, realize water temp. auto-control, the function of regulating system state, for example, and above-mentioned PLC automatic control equipment function all can adopt conventional means to design according to content of the present invention,, PLC controls the size of the water pipe water yield automatically, can realize by PLC control valve switch pump.
In the present invention, described home terminal heat exchange main frame also comprises can be sent to the collected information of PLC central control system the transmission system of analysing terminal; Described home terminal heat exchange main frame also comprises water heating system.The information of each PLC central control system being collected by transmission system is sent to analysing terminal, thereby can better recognize the variation numeral of whole system, thereby be convenient to staff, carries out maintenance and repair.
In addition, for the present invention, it should be noted that, for the said equipment, for example the heat-obtaining temperature of heat exchange coil heat collector, controls moisturizing pipe switch in addition, all can realize by existing PLC control device, therefore without being elaborated.
The invention has the beneficial effects as follows:
1. the present invention adopts full automatic PLC control system to operate control, possesses reliability, and security automatically waits technical characterictic, has the good market competitiveness.
2. the present invention can feed back to remote analysis terminal by each component information in system, thereby can allow staff can more recognize device-dependent message long-range.
3. the present invention is simple in structure, by existing equipment, and according to the present invention, carries out Electronic Design, can realize, and it is convenient to the industry and promotes the use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of PLC central control system of the present invention;
Fig. 3 is the structural representation of the embodiment of the present invention 2;
Parts title and sequence number in figure:
Heat exchange coil heat collector 1, intermediary's water tank 2, home terminal heat exchange main frame 3, exchange pipeline 4, moisturizing pipeline 5, unit building A, cesspool B.
Foul drainage 1b, water pump 2b, glue hose adapter 3b, check-valves 4b, stop valve 5b, sewage interchanger 6b, accumulation of energy pond 7b, water pump 8b, rubber hose 9b, check-valves 10b, stop valve 11b, stop valve 12b, stop valve 13b, pressure pump 14b, rubber soft-jointing pipe 15b, stops meeting valve 16b, stop valve 17b, elevated tank 18b, stop valve 19b, water valve 20b, home terminal heat exchanger 21b.
The specific embodiment
Below in conjunction with drawings and Examples, describe the present invention, following examples explain with invention optimal effectiveness.
Embodiment 1:
As Fig. 1, be a kind of vertical stringing loop-type man regeneration heat pump hot-water system, home terminal heat exchange main frame 3 forms thermal cycle crosspoint with sewerage heat energy exchange pipe-line system.It is structured in this system in a unit building A, wherein cesspool B is structured under unit building A horizontal plane, sewerage heat energy exchange pipeline system constructing is as follows, in cesspool B, be provided with and be interconnected, heat exchange coil heat collector 1, heat exchange coil heat collector 1 is connected with intermediary water tank 2 by exchange pipeline 4, wherein, exchange is also provided with the water pipe of intermediary's water tank 2 opposite sides in pipeline 4 and is connected with each home terminal heat exchange main frame 3 in unit building A, and moisturizing pipeline 5 is connected with intermediary water tank 2.In home terminal heat exchanger 3, be provided with PLC central control system, water heating system and transmission system, PLC central control system comprises for controlling the central automatic controller of whole system, and the data acquisition equipment being connected with each device of sewerage heat energy exchange pipe-line system, for example, on hot coil heat collector 1, be provided with heat-obtaining source temperature sensor; Exchange is respectively equipped with on pipeline 4 for recording the WG of hydraulic pressure and for detection of the water yield detector of exchange pipeline 4 water yields, also comprise the environment temperature inductor of surveying outdoor temperature, exchange be also provided with in pipeline for water yield temperature-hot water temperature's detector.And in PLC central control system, be provided with the module of corresponding data collecting device, as corresponding hot coil heat collector 1 heat-obtaining source temperature sensor is heat-obtaining source detection module, the corresponding siphon pressure detection module of WG, hot water temperature's detectors hot water induction module, gathering the environment temperature inductor of the outdoor temperature of environment temperature corresponding is testing environment temperature detecting module, water yield detector is corresponding water pipe moisturizing detection module, above-mentioned respective modules is by control line and corresponding collecting device, central automatic controller is collected and fed back to its data and carry out respective operations, for example, in PLC, control system can be according to varying environment temperature, heat-obtaining source temperature, control the heat-obtaining temperature of heat exchange coil heat collector 1, maybe, when the water yield collecting device of exchange in pipeline detects in exchange pipeline discharge reduction, information is fed back in PLC central control system, PLC central control system is controlled the moisturizing switch open of controlling moisturizing pipeline and is started water filling.
In addition, home terminal heat exchange main frame 3 also comprises can be sent to the collected information of PLC central control system the transmission system of analysing terminal, analysing terminal is a long-range server, its inside is provided with display screen and data calculation analysis tools, can be so that operating personnel are convenient to recognize the working condition of whole system.
The concrete automated procedure of following the present invention
Open machine, PLC detects environment temperature, in PLC central control system, by environment temperature inductor, environment temperature detected,
Environment temperature detection module feeds back to information in PLC central control system, and PLC central control system judges, and for example, local temperature room temperature is 25 degree, automatically regulates the gentle heat exchange working time of supplying hot water of heat exchange main frame 1 to reach 28 degree left and right;
Subsequently, heat-obtaining source temperature sensor on heat exchange coil heat collector 1 is reflected into the temperature detecting in the detection module of heat-obtaining source, PLC central control system judges and carries out temperature exchange adjusting, for example, when heat-obtaining source temperature being detected, lower than 20 degree, when following, if use by force heat exchange coil heat collector 1 to carry out heat-obtaining, can damage repacking and put, therefore, PLC controls heat exchanger tube heat collector 1 and stops heat-obtaining;
PLC is by hot water temperature in hot water temperature's detector induction water pipe, thereby the size of the control invention of transfer PLC central control system control exchange water pipe 4 is big or small to control discharge, to realize the effect of exchange heat;
Reduction along with heat exchange water temperature, water yield detector in water meter 3 feeds back to water pipe moisturizing detection module by water yield detection information, after water pipe moisturizing detection module feeds back in PLC central control system by information, the switch that PLC central control system starts in moisturizing pipeline 5 carries out moisturizing, in addition, the siphon pressure of PLC control system in also detects, by the Pressure gauge in connecting water pipe, thereby recognize the pressure size of water, thereby judge that whether water pump is in malfunction.
When exchange water temperature is lower, PLC central control system starts water heating system to water is heated, and finally realizes the effect that constant temperature makes water.
Terminal heat exchanger occurs that similar computer main board is downright bad, and short circuit can be carried out its shutdown of power-off by automatic control circuit board when the fault.
When above-mentioned information occurs, transmission system is sent to analysing terminal by information, thereby makes staff to recognize system works information by the record of analysing terminal, or takes the means of Long-distance Control to realize manual operation.
More than be noted that, in home terminal heat exchange main frame 3, there is corresponding conventional center-control CPU, can realize the function of processing PLC information, and above-mentioned measuring ability in PLC control system, be can be according to the present invention content, adopt and realize in existing PLC technology, therefore, without carrying out detailed circuit explanation.
Embodiment 2:
In the present embodiment, as shown in Figure 3, for a kind of renewable sources of energy heat-pump apparatus with sewage heat exchanger, have one by water pump 2b, water pipe and sewage heat exchanger 6b heat effluent cycle unit in series.The water pipe water inlet of this effluent cycle unit is arranged in the pump hole being communicated with foul drainage 1b, the water pipe discharge outlet of this effluent cycle unit is located in foul drainage 1b, it is fat that in described effluent cycle unit, water pump 2b is arranged on pump hole, in the outlet pipe of water pump 2b, be in series with successively a rubber soft-jointing pipe 3b, a check-valves 4b and a stop valve 5b. have retaining cycling element, it is by water pump 8b, and the heating end of water pipe and accumulation of energy pond 7b and sewage interchanger 6b is in series.This accumulation of energy water circulation unit is in series with successively water pump 8b at accumulation of energy pond 7b delivery port to the pipeline between the heating end of sewage interchanger 6b, rubber hose 9b, check-valves 10b, at water pump 8b, banana flexible pipe 9b, a stop valve 11b is respectively equipped with at the two ends of check-valves 10b connecting line, another delivery port of 12b. cistern 7b is communicated with elevated tank 18b water inlet by pressure pump 14b and water pipe, in pressure pump 14b inlet pipeline, stop valve 13b is housed, in the outlet pipeline of pressure pump 14b, be equipped with successively rubber soft-jointing pipe 15b, stop meeting valve 16b and stop valve 17b, stop valve 19b is housed before the water inlet of elevated tank 18b, the delivery port of elevated tank 18b is connected with a plurality of fire end water inlets that are positioned at the home terminal interchanger 21b under elevated tank 18b respectively by a plurality of water valve 20b, the fire end delivery port of each home terminal heat exchanger 21 is all communicated with accumulation of energy pond 7b by magnetic valve 22b and water outlet pipe, the water inlet of the heating end of home terminal heat exchanger 21b is communicated with household tap water pipe, and the delivery port of the heating end of home terminal heat exchanger 21b can obtain the running water through heating.
In the present embodiment, in this home terminal heat exchanger 21, be provided with PLC central control system, and at pressure pump 14b, in sewage interchanger 6b, be respectively equipped with and record the water-aspirator pressure WG changing and the temperature inductor of controlling sewage interchanger 6b heat-obtaining heat, they are all to having corresponding siphon pressure detection module and heat-obtaining source detection module, its PLC automatic control mode and operation principle are identical with embodiment 1, all by PLC central control system, to realize the control of the heat exchanger of whole system, the present embodiment be only explanation, the total design of the present invention is feasible, therefore without doing too much description and interpretation.
Finally it should be noted that: obviously, above-described embodiment is only used to clearly illustrate example of the present invention, and not to the restriction of implementing.For the those of ordinary skill in described field, can also make other changes in different forms on the basis of the above description.Here without also cannot be to all embodiment with exhaustive.And the apparent variation of being amplified out thus or change are still among protection scope of the present invention.
Claims (6)
1. family expenses regeneration heat pump hot-water system automatic control system, comprise home terminal heat exchange main frame (3), be arranged in addition the sewerage heat energy exchange pipe-line system of cesspool, described home terminal heat exchange main frame (3) forms thermal cycle crosspoint with sewerage heat energy exchange pipe-line system, it is characterized in that: in described terminal heat exchange main frame (3), comprise PLC central control system, described PLC central control system comprises the data acquisition equipment being connected with each device of sewerage heat energy exchange pipe-line system, and control according to collected data the central automatic controller that whole system is controlled automatically.
2. family expenses according to claim 1 regeneration heat pump hot-water system automatic control system, it is characterized in that: described sewerage heat energy exchange pipe-line system comprises exchange pipeline (4), and the upper intermediary's water tank (2) of exchange pipeline (4), heat exchange coil heat collector (1) is arranged in foul drainage cesspool (B), and described data acquisition equipment arranges as follows: described hot coil heat collector (1) is provided with heat-obtaining source temperature sensor; Exchange pipeline (4) is provided with WG and the water yield detector changing for recording discharge; In exchange pipeline (4), be also provided with for gathering hot water temperature's detector of exchanged heat coolant-temperature gage.
3. family expenses regeneration heat pump hot-water system automatic control system according to claim 2, is characterized in that: described PLC central control system also comprises for gathering the environment temperature inductor of environment temperature.
4. family expenses regeneration heat pump hot-water system automatic control system according to claim 2, is characterized in that: in described exchange pipeline (4), be also connected with moisturizing pipeline (5), described moisturizing pipeline (5) water filling switch is controlled by PLC central control system.
5. according to the family expenses regeneration heat pump hot-water system automatic control system described in claim 1-4 any one, it is characterized in that: described data acquisition equipment correspondence is provided with and Data Analysis can be transferred to the module component of central automatic controller.
6. according to the family expenses regeneration heat pump hot-water system automatic control system described in claim 1-4 any one, it is characterized in that: described home terminal heat exchange main frame (3) also comprises can be sent to the collected information of PLC central control system the transmission system of analysing terminal; Described home terminal heat exchange main frame (3) also comprises water heating system.
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| CN201310537485.3A CN103557554B (en) | 2013-11-04 | 2013-11-04 | Automatic control system for household renewable heat pump hot water system |
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| CN201310537485.3A CN103557554B (en) | 2013-11-04 | 2013-11-04 | Automatic control system for household renewable heat pump hot water system |
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| CN103557554B CN103557554B (en) | 2017-02-08 |
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2013
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