CN103673027A - Tail end power type secondary heating system - Google Patents

Tail end power type secondary heating system Download PDF

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Publication number
CN103673027A
CN103673027A CN201310553373.7A CN201310553373A CN103673027A CN 103673027 A CN103673027 A CN 103673027A CN 201310553373 A CN201310553373 A CN 201310553373A CN 103673027 A CN103673027 A CN 103673027A
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CN
China
Prior art keywords
terminal
heating
type secondary
heating system
secondary heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310553373.7A
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Chinese (zh)
Inventor
张振山
黄跃刚
朱晓来
黄小燕
赵润
张�林
马英卫
李瑶
王宇艇
李春艳
邢晓奎
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SHANGHAI WELLTECH INSTRUMENT CO Ltd
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SHANGHAI WELLTECH INSTRUMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI WELLTECH INSTRUMENT CO Ltd filed Critical SHANGHAI WELLTECH INSTRUMENT CO Ltd
Priority to CN201310553373.7A priority Critical patent/CN103673027A/en
Publication of CN103673027A publication Critical patent/CN103673027A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides a tail end power type secondary heating system which comprises a water supply pipe and a water return pipe which are connected with a heat exchanger. A plurality of terminal heating pipes which are placed in rooms of different terminal users respectively are in parallel connection between the water supply pipe and the water return pipe. Each terminal heating pipe is connected with a heat sink, and each terminal heating pipe is provided with a hot water circulating pump and a one-way valve. In a secondary heating pipe network, the hot water circulating pumps are mounted at the houses of all the terminal users, a tail end power type heating network is achieved, each terminal user can choose the hot water circulating pump of the appropriate power according to the area of the house of the user and the heating demand, the needed heating amount can be determined according to the rotating speed of a starting and stopping pump or the rotating speed of an adjusting pump, and therefore individual heating can be achieved. In addition, the tail end power type secondary heating system can achieve self-balance easily, compared with the prior art, the cost of large power circulating pumps, frequency variable control cabinets and the like can be saved, power consumption is greatly lowered, and the demand for energy conservation and emission reduction in China is met.

Description

End dynamical type secondary heating system
Technical field
The present invention relates to a kind of secondary heating pipe network, particularly relate to a kind of end dynamical type secondary heating system.
Background technology
North of china in winter heating occupies great ratio in GDP energy consumption, and " the sub-engineering of greenhouse " by outside the building wall is set up heat-insulation layer improved indoor environment temperature in the situation that not increasing energy consumption, obtains social each side favorable comment.But further energy-conservationly run into huge difficulty, major obstacle is to be difficult to realize personalized heat supply, and the main cause that is difficult to realize personalized heat supply is: secondary heating pipe network exists structural issue at present.
Generally speaking, heating system comprises heating network consisting of to the heat supply pipeline of heat exchange station boiler room and the secondary heating pipe network consisting of to terminal use's heat supply pipeline heat exchange station; Wherein, boiler room provides high-temperature water, delivers to after heat exchange station by after heat exchanger heat exchange, then is pumped to each terminal use in community through hot water circuit.In secondary heating pipe network, hot water circulating pump is mounted in heat exchange station, belongs to source dynamical type heat supply network.In order to realize more rational heat flow density, aspect the control of pipe network balance, existing huge difficulty.For residential building, in the situation that reach same indoor temperature standard, limit cover house heating power is often larger more than four times than intermediate sleeve residential heating power.Meanwhile, all pipe network water dynamic balances regulate and all rely on valve to realize, and lack the instant measurement device such as flowmeter, calorimeter, therefore regulating effect relies on user's sensation completely, lag behind very large, the adjusting of adding valve is also difficult to quantification, all relies on people's sensation; In addition, all pipelines all connect together, and coupling, pulls one hair and move the whole body mutually, so regulate difficulty very big.Therefore,, under the structural constraint of this secondary heating pipe network, user's family is the double sky of ice fire often---and some family is awfully hot, has to window, and causes the huge waste of the energy; And some family is terribly cold, be unwilling to hand over heating fee.In order to guarantee that user at a distance has enough pressure, the circulation pump power that is arranged on heat exchange station is all larger, for balancing, a lot of valves are not all opened completely, therefore electric energy loss is very large, if there is no attached with frequency converters, electric energy loss is larger, be equivalent to heating up water with Electric stove, and these more than 100 kilowatts of electric heating consume substantially on pipeline.In sum, current secondary heating pipe network structure, is to cause the major reason that Thermal Corp's charge reduces, cost improves.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide and a kind ofly can realize personalized heat supply, thus effective energy-saving and cost-reducing end dynamical type secondary heating system.
For achieving the above object, the invention provides a kind of end dynamical type secondary heating system, comprise the feed pipe and the return pipe that are connected with heat exchanger, between described feed pipe and return pipe, be parallel with a plurality of indoor terminal heating tubes of different terminals user that lay respectively at, on each terminal heating tube, be all connected with radiator, on each terminal heating tube, be equipped with a hot water circulating pump and a check valve.
Further, the indoor temperature controller being connected with hot water circulating pump that is also provided with of described terminal use.
Preferably, the remote monitoring computer that also comprises communication controller and be connected with communication controller, described communication controller is connected by communication bus with a plurality of temperature controllers.
Further, also comprise the circling water flow rate meter that is arranged on respectively the water supply flow meter of terminal heating tube porch and is arranged on terminal heating tube exit, described water supply flow meter comprises a supply water temperature sensor, circling water flow rate meter comprises a return water temperature sensor, and described water supply flow meter, circling water flow rate meter are all connected with described temperature controller.
Preferably, described communication controller is connected with a kilowatt-hour meter, and civil power, then is connected with described water supply flow meter, circling water flow rate meter, temperature controller and hot water circulating pump by junction box successively after kilowatt-hour meter and communication controller by power line.
Further, described communication controller is connected through communication bus and by the described junction box water supply flow meter indoor with each terminal use, circling water flow rate meter, temperature controller and hot water circulating pump.
Preferably, described power line and communication bus are combined into a multicore cable.
Preferably, on described temperature controller, be also provided with leakage switch button and leakage tests button.
As mentioned above, the end dynamical type secondary heating system the present invention relates to, has following beneficial effect:
In this secondary heating pipe network, hot water circulating pump is arranged in each terminal use family, it is an end dynamical type heat supply network, each terminal use can remove to select according to size in own home and heat demand the hot water circulating pump of appropriate power, and by the rotating speed of start and stop pump or adjusting pump, decide the heating load in own home, thereby realize personalized heat supply; In addition, this end dynamical type secondary heating system is easy to reach self-balancing, compared with prior art, has not only saved the costs of equipment such as high-power circulating pump and frequency-conversion control cabinet, and has greatly reduced power consumption, meets the requirement that national energy-saving reduces discharging.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the heating water piping drawing in a terminal use family in the present invention.
Fig. 3 is the heating water control principle drawing of a building residential building in the present invention.
Element numbers explanation
1 feed pipe
2 return pipes
3 terminal heating tubes
4 radiators
5 hot water circulating pumps
6 temperature controllers
7 communication controllers
8 remote monitoring computers
9 water supply flow meters
10 circling water flow rate meters
11 kilowatt-hour meters
12 junction boxs
13 small pumps
14 automatic exhaust steam valves
15 check valves
16 filters
17 accumulators
The specific embodiment
By particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this description below.
Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of end dynamical type secondary heating system, comprise the feed pipe 1 and the return pipe 2 that are connected with the heat exchanger of a heating network, between described feed pipe 1 and return pipe 2, be parallel with a plurality of indoor terminal heating tubes 3 of different terminals user that lay respectively at, on each terminal heating tube 3, be all connected with radiator 4, on each terminal heating tube 3, be equipped with a hot water circulating pump 5, described hot water circulating pump 5 is between radiator 4 and feed pipe 1, and on each terminal heating tube 3, be equipped with a check valve 15, this check valve 15 can be arranged between radiator 4 and return pipe 2, also can be arranged between hot water circulating pump 5 and radiator 4, be used for limiting heating water and directly from feed pipe 1, flow to return pipe 2.
In secondary heating pipe network, heating water flows in each terminal heating tube 3 through feed pipe 1, and by radiator 4 heat supplies; A hot water circulating pump 5 is installed in each terminal use family, for controlling the heating water flow that flows into each terminal use family, and by check valve 15 being installed on the terminal heating tube 3 in every family, realize the transformation to whole secondary heating pipe network, become an end dynamical type heat supply network instead; Each terminal use can remove to select the hot water circulating pump 5 of appropriate power according to size in own home and heat demand, and by the rotating speed of start and stop pump or adjusting pump, to determine the heating load in own home, thereby realizes personalized heat supply.That described hot water circulating pump 5 can be selected is super-silent, long-life, Domestic circulating hot water pump 5 cheaply, and its power is 90W~300W, relevant with toilet quantity with floor space, and the noise of Domestic circulating hot water pump 5 should not surpass the noise of refrigerator; And the long-term heat-resisting water of Domestic circulating hot water pump 5 is not less than 100 °, from structure, guarantee not because wearing and tearing are leaked.Simultaneously, because the water quality of heating installation water is not good, mix and have impurity, easily cause hot water circulating pump 5 to break down, so a filter 16 should be installed between feed pipe 1 and hot water circulating pump 5, to filter the heating water that enters hot water circulating pump 5, guarantee the normal operation of hot water circulating pump 5, reduce its fault rate.In addition, this end dynamical type secondary heating system is easy to reach self-balancing, and cost own is low, compared with prior art, it has not only saved the costs of equipment such as high-power circulating pump and frequency-conversion control cabinet, and has greatly reduced power consumption, meets the requirement that national energy-saving reduces discharging.
Further, as shown in Figure 1, described return pipe 2 places connect an accumulator 17, a small pump 13 is connected with an automatic exhaust steam valve 14, described return pipe 2 is connected with an automatic exhaust steam valve 14, by accumulator 17, small pump 13 and automatic exhaust steam valve 14, make secondary heating pipe network keep certain malleation, guarantee to be full of in pipeline water.
In the present embodiment, the mode of controlling hot water circulating pump 5 start and stop has three kinds, is respectively: automatically control start and stop, control start and stop and Long-distance Control start and stop on the spot.
Automatically the method for controlling start and stop is: at described terminal use's indoor location one temperature controller 6, the infield of this temperature controller 6 is near door, and standard is unified; In described temperature controller 6, establish indoor temperature detection module, for detection of indoor temperature, and the temperature value detecting is fed back to temperature controller 6, temperature is controlled 6 devices the indoor temperature value detecting is compared with the indoor temperature value of setting, if difference is in default scope, temperature controller 6 cuts out hot water circulating pump 5; If difference exceeds default scope, and indoor temperature is lower than setting value, and temperature controller 6 is opened hot water circulating pumps 5, thereby realizes the start and stop of automatically controlling hot water circulating pump 5.In the present embodiment, set indoor temperature and be by being located at temperature on temperature controller 6 and rise button and temperature and fall button and realize.
The method of controlling on the spot start and stop is: described temperature controller 6 is provided with that button left by pump and pump stops button, by pressing pump, drives button or pump and stops button and can realize and open or close hot water circulating pump 5.
The method of Long-distance Control start and stop is: see Fig. 3, the temperature controller 6 in each terminal use family is connected with a communication controller 7 by a communication bus, and the communications protocol that described communication bus adopts is MODBUS; Described communication controller 7 carries out communication by the wireless networks such as GPRS and a remote monitoring computer 8, thereby makes remote monitoring computer 8 can realize remote opening or close hot water circulating pump 5.In addition, remote monitoring computer 8 can be managed the hot water circulating pump 5 in several ten thousand terminal use families, realizes a boiler room or a thermal source is only used namely server of a remote monitoring computer 8(), reach high efficiency host computer management; And communication data is through overcompression and encryption, and not only efficiency is high, and real-time is good.Whether remote control center can need heat supply by research history data estimation terminal use, with the optimizations such as operation that hot water circulating pump 5 is avoided the peak hour, to can carry out burning boiler according to actual load, when guaranteeing temperature control effect, effectively economize on coal again, the state that allows heat supply network move in low-loss, and can also make whole heat supply network load evenly.
Further, in each terminal use's heat supply pipeline, as shown in Figure 2, the porch of terminal heating tube 3 is provided with water supply flow meter 9, for gathering discharge; The exit of terminal heating tube 3 is provided with circling water flow rate meter 10, for gathering water flow; Described water supply flow meter 9 comprises a supply water temperature sensor, for gathering into coolant-temperature gage; Circling water flow rate meter 10 comprises a return water temperature sensor, for gathering leaving water temperature; Described water supply flow meter 9, circling water flow rate meter 10 are all connected with described temperature controller 6.In the present embodiment, described water supply flow meter 9 and circling water flow rate meter 10 are electromagnetic flowmeter, and its certainty of measurement is high; And the length of supply water temperature sensor and leaving water temperature sensor is 10cm left and right, and the material of its measuring guide can be stainless steel, can be also plastics.Temperature controller 6 according to the discharge of two electromagnetic flowmeter collections, enter the related datas such as coolant-temperature gage, water flow and leaving water temperature and calculate, draw transient heat power (KW) and heat accumulative (KWH), effectively realize the automatic measurement of heat and the metering of hot water consumption.In addition, described radiator 4 is provided with discharging valve, terminal use can use the heating water in heat supply pipeline by this discharging valve, temperature controller 6 can calculate the number of user's heating water used according to the difference of discharge and water flow, and then carry out quantitative statistics by timesharing price, it effectively encourages the hot water of user in heat supply idle is used heat supply pipeline, guarantee the water cleaning in secondary heating pipe network, and then the service life of prolongation hot water circulating pump 5, can also increase the benefit of heating enterprise, achieve many things at one stroke.
In addition, the secondary heating pipe network the present invention relates in use, also can carry out on-line calibration to flowmeter at any time, and concrete grammar is: close respective valves or close hot water circulating pump 5, flow is zero, suppressed zero; By discharging valve, discharge water, and weigh, observe integrated flow difference increment, and integrated flow difference increment and the weight of emitting water are compared, can carry out the on-line calibration of flowmeter thus, thoroughly solve the inaccurate puzzlement of flowmeter, and this calibration cost is extremely low.
Preferably, described temperature controller 6 also comprises a display module, by this display module effectively display setting indoor temperature value, actual indoor temperature value, discharge, water flow, enter water integrated flow, water outlet integrated flow, enter coolant-temperature gage, leaving water temperature, thermal power, heat accumulative, rotating speed etc.And temperature controller 6 also has hot water circulating pump 5 creepage protection functions, be on temperature controller 6, to be also provided with leakage switch button and leakage tests button, press after leakage switch button, power supply and hot water circulating pump 5 are connected, press again leakage tests button, can test hot water circulating pump 5 and whether leak electricity, if electric leakage, leakage switch button separating brake, disconnects power supply and hot water circulating pump 5; If leakproof, leakage switch still keeps "on" position, and then guarantees the safe operation of heating system.
Further, described temperature controller 6 is provided with a USB interface, and a USB flash disk is inserted into the enterprising news that work of temperature controller 6 by this USB interface, can download own home's historical data; And then this USB flash disk is inserted on computer; can read downloaded historical data by computer; inquiry detailed history curve; this inquiry mode is removed the Internet Server of building high reliability from; effectively reduce costs; and also effectively protection individual privacy data can not revealed, be propagated, and reliability is very high, easy to use.
Preferably, described communication controller 7 is connected with a kilowatt-hour meter 11, see Fig. 3, civil power is connected with described water supply flow meter 9, circling water flow rate meter 10, temperature controller 6 and hot water circulating pump 5 after communication controller 7 through kilowatt-hour meter 11 successively by power line, to power.In the present embodiment, described power line and communication bus synthesize a multicore cable, civil power is connected to communication controller 7 through kilowatt-hour meter, the multicore cable that communication controller 7 outputs stretch out is connected by the junction box 12 water supply flow meter 9 indoor with each terminal use, circling water flow rate meter 10, temperature controller 6 and hot water circulating pump 5, power and communication, adopt after junction box 12, the wiring in Zheng Zhuan building is fairly perfect.In the specification You Yizhuan building of described junction box 12, every layer of terminal use's number decides, and as one lift with two users is selected the junction box of a minute three, the junction box of a minute four is selected at terraced three families, by that analogy.When connecting, see Fig. 3, if the house type of one lift with two users, communication controller 7 is first connected with Stall junction box, the San Ge branch of Stall junction box is connected with the heating water pipeline of Room 101, the heating water pipeline of Room 102 and second floor junction box respectively, the San Ge branch of second floor junction box respectively with the heating water pipeline of Room 201, the heating water pipeline of Room 202 and 3rd floors junction boxs be connected, the like; The heating water pipeline of each chamber is water supply flow meter 9, circling water flow rate meter 10, temperature controller 6 and the hot water circulating pump 5 being connected by multicore cable.The connection of the multicore cable being connected with hot water circulating pump 5 for temperature controller 6 in addition, can be used as hot water circulating pump 5 leakage testses and uses.
In sum, the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.

Claims (8)

1. an end dynamical type secondary heating system, comprise the feed pipe (1) and the return pipe (2) that are connected with heat exchanger, between described feed pipe (1) and return pipe (2), be parallel with a plurality of indoor terminal heating tubes (3) of different terminals user that lay respectively at, on each terminal heating tube (3), be all connected with radiator (4), it is characterized in that: on each terminal heating tube (3), be equipped with a hot water circulating pump (5) and a check valve (15).
2. end dynamical type secondary heating system according to claim 1, is characterized in that: the indoor temperature controller (6) being connected with hot water circulating pump (5) that is also provided with of described terminal use.
3. end dynamical type secondary heating system according to claim 2, it is characterized in that: also comprise communication controller (7) and the remote monitoring computer (8) being connected with communication controller (7), described communication controller (7) is connected by communication bus with a plurality of temperature controllers (6).
4. end dynamical type secondary heating system according to claim 3, it is characterized in that: also comprise the circling water flow rate meter (10) that is arranged on respectively the water supply flow meter (9) of terminal heating tube (3) porch and is arranged on terminal heating tube (3) exit, described water supply flow meter (9) comprises a supply water temperature sensor, circling water flow rate meter (10) comprises a return water temperature sensor, and described water supply flow meter (9), circling water flow rate meter (10) are all connected with described temperature controller (6).
5. end dynamical type secondary heating system according to claim 4, it is characterized in that: described communication controller (7) is connected with a kilowatt-hour meter (11), civil power, then is connected with described water supply flow meter (9), circling water flow rate meter (10), temperature controller (6) and hot water circulating pump (5) by junction box (12) successively after kilowatt-hour meter (11) and communication controller (7) by power line.
6. end dynamical type secondary heating system according to claim 5, is characterized in that: described communication controller (7) is also connected by described junction box (12) the water supply flow meter (9) indoor with each terminal use, circling water flow rate meter (10), temperature controller (6) through communication bus.
7. end dynamical type secondary heating system according to claim 6, is characterized in that: described power line and communication bus are combined into a multicore cable.
8. end dynamical type secondary heating system according to claim 2, is characterized in that: on described temperature controller (6), be also provided with leakage switch button and leakage tests button.
CN201310553373.7A 2013-11-08 2013-11-08 Tail end power type secondary heating system Pending CN103673027A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107894099A (en) * 2017-11-03 2018-04-10 周超宇 Shared hot water Internet of Things pattern and operation method

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Publication number Priority date Publication date Assignee Title
US4201518A (en) * 1978-05-12 1980-05-06 Alden Stevenson Recirculating fluid pump control system
CN201885314U (en) * 2010-11-25 2011-06-29 北京华通兴远供热节能技术有限公司 Secondary heating pipe network temperature difference type flow control system
CN202868819U (en) * 2012-07-23 2013-04-10 天津市滨海新区塘沽房产供热中心 Intelligent centralized heating system
CN203147908U (en) * 2013-04-16 2013-08-21 内蒙古瑞特科技有限公司 Distributed flow circulating pump heating network operation monitoring system
CN203191814U (en) * 2013-05-02 2013-09-11 东北石油大学 Energy-saving billing monitor terminal for heat exchange station
CN203249326U (en) * 2013-04-03 2013-10-23 黑龙江龙电电气有限公司 Heating energy consumption monitoring system
CN203560973U (en) * 2013-11-08 2014-04-23 上海威尔泰仪器仪表有限公司 Tail-end power type secondary heat supply system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201518A (en) * 1978-05-12 1980-05-06 Alden Stevenson Recirculating fluid pump control system
CN201885314U (en) * 2010-11-25 2011-06-29 北京华通兴远供热节能技术有限公司 Secondary heating pipe network temperature difference type flow control system
CN202868819U (en) * 2012-07-23 2013-04-10 天津市滨海新区塘沽房产供热中心 Intelligent centralized heating system
CN203249326U (en) * 2013-04-03 2013-10-23 黑龙江龙电电气有限公司 Heating energy consumption monitoring system
CN203147908U (en) * 2013-04-16 2013-08-21 内蒙古瑞特科技有限公司 Distributed flow circulating pump heating network operation monitoring system
CN203191814U (en) * 2013-05-02 2013-09-11 东北石油大学 Energy-saving billing monitor terminal for heat exchange station
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107894099A (en) * 2017-11-03 2018-04-10 周超宇 Shared hot water Internet of Things pattern and operation method

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