CN106247629A - Fuel gas water heating system based on wireless temperature-measuring sensor and preheating control method - Google Patents
Fuel gas water heating system based on wireless temperature-measuring sensor and preheating control method Download PDFInfo
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- CN106247629A CN106247629A CN201610753364.6A CN201610753364A CN106247629A CN 106247629 A CN106247629 A CN 106247629A CN 201610753364 A CN201610753364 A CN 201610753364A CN 106247629 A CN106247629 A CN 106247629A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of fuel gas water heating system based on wireless temperature-measuring sensor and preheating control method, including gas heater main body, connect the cold water pipeline of water heater main body, hot water line, between cold water pipeline and hot water line and be connected to several with water spot, the water circulating pump that be provided with central heater master controller in gas heater main body, is sequentially connected with, heat exchanger, storage tank, it is characterized in that, being provided with wireless convergence terminal in described gas heater main body, the signal output part of wireless convergence terminal connects central heater master controller;The outfan of storage tank is provided with leaving water temperature sensors;Being provided with wireless temperature-measuring sensor, wireless temperature-measuring sensor and wireless convergence terminal wireless telecommunications in distalmost end hot water pipeline to connect, the data of reception are sent on water heater master controller by wireless convergence terminal.Present configuration is simple, and easy to use, compared to the product of same type, performance is more superior.
Description
Technical field
The present invention relates to gas heater technical field.
Background technology
The gas heater of various bands preheating function in the market, uses cold water pipe by check valve and serves as backwater
Pipe, achieves the instant-heating function of gas heater to a certain extent, but for the mounting means without water return pipeline in reality
While existing gas heater instant-heating function, how to meet user and immediately use the demand of cold water, the most also produce without relevant
Product come out;Therefore, for the user without water return pipeline on the basis of realizing instant-heating function, how to meet user to cold water
I.e. open the coldest demand, be those skilled in the art's problem demanding prompt solutions, additionally for central hot water circulation system, heated
The factor impacts such as process and heat dissipation environment, it is poor that the temperature that the water temperature in pipeline and water heater internal temperature sensor are monitored exists
Different, it is likely that to interfere to central heater pipeline start up by preheating condition, cause circulation line temperature unevenness to be further exacerbated by,
There is also user simultaneously and near-thermal hydrophone water spot is used for multiple times, causing the Pipeline Water between nearly water spot to farthest water spot is temperature
Rising or cold water, but water heater water temperature inside is the highest, water heater preheats the phenomenon not started, and has a strong impact on central authorities' heat
Water circulation system bath comfort.
Summary of the invention
A kind of simple in construction that the purpose of the present invention is contemplated to solve the deficiency of prior art and provides, i.e. opens in realization
I.e. on the basis of hot merit energy, it is achieved i.e. open the coldest function, can be substantially improved central hot water circulation line even water temperature based on
The fuel gas water heating system of wireless temperature-measuring sensor.
It is a further object of the present invention to provide a kind of on the basis of realizing instant-heating function, it is achieved i.e. open the coldest merit
Can, fuel gas water heating system of based on wireless temperature-measuring sensor the preheating of central hot water circulation line even water temperature can be substantially improved
Control method.
The present invention is to use following technical solution to be attained in that a kind of combustion based on wireless temperature-measuring sensor
Gas hot-water heating system, including gas heater main body, connects the cold water pipeline of water heater main body, hot water line, cold water pipeline and heat
Between water lines and be connected to several with water spot, be provided with central heater master controller in gas heater main body, connect successively
The water circulating pump that connects, heat exchanger, storage tank, the input of water circulating pump connects cold water pipeline, it is characterised in that described combustion gas
Being provided with wireless convergence terminal in water heater main body, the signal output part of wireless convergence terminal connects central heater main control
Device;The outfan of storage tank is provided with leaving water temperature sensors, and leaving water temperature sensors is connected with central heater master controller;
Wireless temperature-measuring sensor, wireless temperature-measuring sensor and wireless convergence terminal wireless telecommunications it are provided with even in distalmost end hot water pipeline
Connect, the nothing that the water temperature data of distalmost end hot water pipeline is transferred on water heater by wireless temperature-measuring sensor by wireless communication mode
Line convergence terminal, the data of reception are sent on water heater master controller by wireless convergence terminal, and master controller is by data
Analyzing and processing, it is possible to know the water temperature condition of distalmost end hot water pipeline, the water of each preheating heat water pipe can be realized, the most in advance
The water of hot cold water pipe, on the basis of realizing instant-heating function, it is achieved i.e. opens the coldest function, meets user and immediately uses cold water
Demand;Jointly judge to preheat additionally by wireless temperature-measuring sensor and the leaving water temperature sensors within water heater and whether open
Dynamic, central hot water circulation line even water temperature can be substantially improved.
Further illustrating as such scheme, passes through between described wireless convergence terminal and central heater master controller
Wire communication mode transmits data, uses RS-485 communications protocol, in addition to enhancing signal receiving intensity and structure aesthetic property,
The general upper right side that wireless convergence terminal is arranged on water heater main body.
Further, less radio-frequency RF communication modes is used between wireless temperature-measuring sensor and wireless convergence terminal.
Further, hot water line is connected with cold water pipeline by check valve, prevents cold water from flowing into hot water pipeline, wireless survey
Temperature sensor is arranged in the hot water line outside check valve.
Further, described recirculated water delivery side of pump be connected with in turn check valve, water flow sensor, water proportioning valve and
Mixed water temperature sensor, water flow sensor, water proportioning valve and mixed water temperature sensor be connected with central heater master controller,
Discharge, the water temperature state that water circulating pump is sent into is monitored in real time by central heater master controller.
Described wireless temperature-measuring sensor is self-powered wireless temperature-measuring sensor, self-contained electric power system.
A kind of fuel gas water heating system preheating control method based on wireless temperature-measuring sensor, it is characterised in that it is to use
The distalmost end hot-water line water temperature of wireless temperature-measuring sensor monitoring fuel gas water heating system, in conjunction with the hot water of monitoring outlet water temperature of water heater
Device leaving water temperature sensors together decides on pipeline start up by preheating condition, after system reaches pipeline start up by preheating condition, and pump operation water heater point
Fire burning, makes to be full of in hot water line hot water in the water circulation pipe of fuel gas water heating system, and after cold water pipeline has preheated
It is still warm water or cold water.
Further, system warm-up entry condition includes:
A, system open preheating function and in preheating period;
B, system satisfied [(T1+T2)/2] < T-T0 or | T2-T1 | < 3 DEG C;
Wherein:
The temperature that T1 wireless temperature-measuring sensor real-time monitors;
T2 outlet water temperature of water heater, temperature sensor C the temperature real-time monitored;
Design temperature on T water heater, wherein 36 DEG C≤T≤60 DEG C;
T0 temperature gap, can be 3-10 DEG C by set point, system default 5 DEG C;
So in preheating period, water heater preheats according to pipeline start up by preheating condition, it is ensured that hot-water line any time
Being required hot water, cold water pipe is warm water or cold water, can not be with cold water after thoroughly solving to have preheated without return pipe circulation
Technical bottleneck, and when whole pipeline interior edema temperature differs more than 3 DEG C, system start-up is heated, in being always ensured that in certain limit
The even water temperature of centre hot water circulating pipeline.
Further, the signal data of wireless temperature-measuring sensor is through the wireless convergence terminal with its wireless telecommunications, then with
The mode of Data Over Cable is transferred to the central heater master controller of fuel gas water heating system.
The present invention uses above-mentioned technical solution can reach to provide the benefit that:
1, the system of the present invention is by increasing wireless temperature-measuring sensor monitoring distalmost end hot-water line water temperature, in conjunction with accordingly
Control system, is always ensured that and is full of hot water in circulation line in hot-water line, and cold water pipe is still warm water or cold after having preheated
Water, thoroughly solves the problem without using cold water after having preheated in the case of water return pipeline, is realizing the same of " instant-heating "
Time can realize again " opening cold " pattern.
2, fully save the energy, be truly realized " nil waste ":
System monitors distalmost end hot-water line water temperature by wireless temperature-measuring sensor, can realize accurately preheating half-turn, it is achieved be
The preheated fuel gas consumption of nearly half can be saved while system instant-heating;Additionally, due to system dry pump Posterior circle, it is possible to joint
About part electric energy;" i.e. opening the coldest " technology is also had to drastically reduce the area the wastage of hot water so that " gas ", " water ", the making of " electric "
With being truly realized " nil waste ".
3, significantly promote central hot water circulation line even water temperature:
Together decide on pipeline start up by preheating condition by wireless temperature-measuring sensor and outlet water temperature of water heater sensor, alleviate anhydrous
The line temperature non-uniform phenomenon that pump Posterior circle causes, additionally system can also solve single the caused pipe temperature of water spot water
The phenomenon differed greatly.
Accompanying drawing explanation
Fig. 1 is without backwater central hot water circulating pipe system figure;
Fig. 2 is system control process figure.
Description of reference numerals: 1, gas heater main body 1-1, water circulating pump 1-2, heat exchanger 1-3, storage tank 1-
4, wireless convergence terminal 1-5, leaving water temperature sensors 1-6, check valve 1-7, water flow sensor 1-8, water proportioning valve 1-
9, mixed water temperature sensor 2, cold water pipeline 3, hot water line 4, use water spot 5, check valve 6, wireless temperature-measuring sensor.
Detailed description of the invention
As Figure 1-Figure 2, the present invention is a kind of fuel gas water heating system based on wireless temperature-measuring sensor, including combustion gas heat
Water machine body 1, connect the cold water pipeline 2 of water heater main body 1, hot water line 3, if between cold water pipeline and hot water line and be connected to
Dry is connected with cold water pipeline by check valve 5 with water spot 4, hot water line, prevents cold water from flowing into hot water pipeline.Gas heater
The water circulating pump 1-1 that be provided with central heater master controller in main body, is sequentially connected with, heat exchanger 1-2, storage tank 1-3, follow
The input of ring water pump connects cold water pipeline, is provided with wireless convergence terminal 1-4, wireless convergence terminal in gas heater main body
Signal output part connect central heater master controller;The outfan of storage tank is provided with leaving water temperature sensors 1-5, water outlet
Temperature sensor is connected with central heater master controller;Wireless temperature-measuring sensor 6 it is provided with in distalmost end hot water pipeline, this
In embodiment, wireless temperature-measuring sensor 6 is arranged in the hot water line outside check valve 5, and wireless temperature-measuring sensor is self-powered
Formula wireless temperature-measuring sensor, self-contained electric power system.Wireless temperature-measuring sensor and wireless convergence terminal wireless telecommunications connect, nothing
Line temperature transducer by the water temperature data of distalmost end hot water pipeline by wireless communication mode be transferred on water heater without the congruence
Poly-terminal, the data of reception are sent on water heater master controller by wireless convergence terminal, and master controller is by dividing data
Analysis processes, it is possible to knows the water temperature condition of distalmost end hot water pipeline, can realize the water of each preheating heat water pipe, not preheat cold
The water of water pipe, on the basis of realizing instant-heating function, it is achieved i.e. opens the coldest function, meets user and immediately uses the need of cold water
Ask;Jointly judge to preheat additionally by wireless temperature-measuring sensor and the leaving water temperature sensors within water heater and whether start, can
Central hot water circulation line even water temperature is substantially improved.
Further, number is transmitted by wire communication mode between wireless convergence terminal and central heater master controller
According to, use RS-485 communications protocol, in addition to enhancing signal receiving intensity and structure aesthetic property, typically by wireless convergence terminal
It is arranged on the upper right side of water heater main body;Less radio-frequency RF communication side is used between wireless temperature-measuring sensor and wireless convergence terminal
Formula.
Further, described recirculated water delivery side of pump is connected with check valve 1-6, water flow sensor 1-7, water ratio in turn
Example valve 1-8 and mixed water temperature sensor 1-9, water flow sensor, water proportioning valve and mixed water temperature sensor and central heater
Master controller connects, central heater master controller monitor discharge, the water temperature state that water circulating pump is sent in real time.
The following is the preheating control method of fuel gas water heating system based on wireless temperature-measuring sensor, it is to use wireless temperature measurement
The distalmost end hot-water line water temperature of Sensor monitoring fuel gas water heating system, in conjunction with the water outlet of water heater temperature of monitoring outlet water temperature of water heater
Degree sensor together decides on pipeline start up by preheating condition, and after system reaches pipeline start up by preheating condition, pump operation Water heater igniting burns, and makes
In the water circulation pipe of fuel gas water heating system in hot water line be full of hot water, and cold water pipeline preheat after still be warm water or
Cold water.
Below in conjunction with accompanying drawing, the technical program is described in further detail.
Fig. 1 is without backwater central hot water circulating pipe system figure, is separated with hot water pipeline by cold water pipes by check valve,
Prevent cold water from flowing into hot water pipeline;
First pass through self-powered wireless temperature-measuring sensor and the water temperature data in distalmost end hot water pipeline is passed through wireless telecommunications
The wireless convergence terminal that mode is transferred on water heater;
Then, the data of reception are sent to central heater master controller by wire communication mode by wireless convergence terminal
On;
Master controller, by the analyzing and processing to reception data, i.e. it is known that the water temperature condition of farthest water spot, passes through
The water temperature that wireless temperature-measuring sensor detects, can realize the water of each preheating heat water pipe, the not water of preheating cold water pipe, is realizing
On the basis of instant-heating function, it is achieved i.e. open the coldest function;
Use water spot #1 when being used for multiple times, owing to pipeline heat scatters and disappears, cause with water spot #1 to the pipe between farthest water spot
Road water is temperature rise or cold water, but outlet water temperature of water heater sensor detection temperature is the highest, causes water heater to preheat still
Not starting, additional mixing temperature sensor test point is easily extended influence by cold water, not as pipeline start up by preheating conditional judgment;
Wireless temperature-measuring sensor and outlet water temperature of water heater sensor is finally used to together decide on preheating by above-mentioned analysis
Entry condition;After system reaches pipeline start up by preheating condition, pump operation Water heater igniting burns, and wherein system warm-up entry condition is such as
Under:
A, system open preheating function and in preheating period;
B, system satisfied [(T1+T2)/2] < T-T0 or | T2-T1 | < 3 DEG C.
Wherein:
The temperature that T1 wireless temperature-measuring sensor real-time monitors;
T2 outlet water temperature of water heater, temperature sensor C the temperature real-time monitored;
Design temperature on T water heater, wherein 36 DEG C≤T≤60 DEG C;
T0 temperature gap, can be 3-10 DEG C by set point, system default 5 DEG C
So in preheating period, water heater preheats according to pipeline start up by preheating condition, it is ensured that in Fig. 1, hot-water line is any
Moment is required hot water, and cold water pipe is warm water or cold water, can not be with cold after thoroughly solving to complete without return pipe circulation preheating
The technical bottleneck of water, and when whole pipeline interior edema temperature differs more than 3 DEG C, system start-up is heated, is protected all the time in certain limit
The even water temperature of card central hot water circulation line;Implement flow process and refer to Fig. 2.
The present invention compared with prior art, by self-powered wireless temperature-measuring sensor by the water temperature of distalmost end hot water pipeline
The wireless convergence terminal that data are transferred on water heater by wireless communication mode, the data of reception are passed through by wireless convergence terminal
Wire transmission mode is sent on central heater master controller, and master controller is by the analyzing and processing to data, it is possible to know
The water temperature condition of road distalmost end hot water pipeline, the water temperature monitored by wireless temperature-measuring sensor, the most only preheating can be realized
The water of hot-water line, the not water of preheating cold water pipe, on the basis of realizing instant-heating function, it is achieved i.e. opens the coldest function, meets
User uses the demand of cold water immediately;Jointly judge pre-additionally by wireless temperature-measuring sensor with water heater internal temperature sensor
Whether heat starts, and central hot water circulation line even water temperature can be substantially improved.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (8)
1. a fuel gas water heating system based on wireless temperature-measuring sensor, including gas heater main body, connects water heater main body
Cold water pipeline, hot water line, between cold water pipeline and hot water line and be connected to several with water spot, in gas heater main body
The water circulating pump that be provided with central heater master controller, is sequentially connected with, heat exchanger, storage tank, the input of water circulating pump
Connect cold water pipeline, it is characterised in that in described gas heater main body, be provided with wireless convergence terminal, wireless convergence terminal
Signal output part connects central heater master controller;The outfan of storage tank is provided with leaving water temperature sensors, leaving water temperature
Sensor is connected with central heater master controller;Wireless temperature-measuring sensor, wireless survey it is provided with in distalmost end hot water pipeline
Temperature sensor and wireless convergence terminal wireless telecommunications connect, and the water temperature data of distalmost end hot water pipeline is led to by wireless temperature-measuring sensor
Crossing the wireless convergence terminal that wireless communication mode is transferred on water heater, the data of reception are sent to hot water by wireless convergence terminal
On device master controller.
Fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 1, it is characterised in that described wireless
Transmit data by wire communication mode between convergence terminal and central heater master controller, use RS-485 communications protocol,
Wireless convergence terminal is arranged on the upper right side of water heater main body.
Fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 1, it is characterised in that wireless temperature measurement
Less radio-frequency RF communication modes is used between sensor and wireless convergence terminal.
Fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 1, it is characterised in that hot water line
Being connected with cold water pipeline by check valve, wireless temperature-measuring sensor is arranged in the hot water line outside check valve.
Fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 1, it is characterised in that described circulation
Water delivery side of pump is connected with check valve, water flow sensor, water proportioning valve and mixed water temperature sensor in turn, and discharge senses
Device, water proportioning valve and mixed water temperature sensor are connected with central heater master controller.
Fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 1, it is characterised in that described wireless
Temperature transducer is self-powered wireless temperature-measuring sensor, self-contained electric power system.
7. one kind corresponding with the fuel gas water heating system based on wireless temperature-measuring sensor described in claim 1-6 any one pre-
Heat control method, it is characterised in that it is the distalmost end hot-water line water using wireless temperature-measuring sensor monitoring fuel gas water heating system
Temperature, the outlet water temperature of water heater sensor in conjunction with monitoring outlet water temperature of water heater together decides on pipeline start up by preheating condition, and system reaches
After pipeline start up by preheating condition, pump operation Water heater igniting burns, and makes hot water line in the water circulation pipe of fuel gas water heating system
The interior hot water that is full of, and cold water pipeline is still warm water or cold water after having preheated.
Further, system warm-up entry condition includes:
A, system open preheating function and in preheating period;
B, system satisfied [(T1+T2)/2] < T-T0 or | T2-T1 | < 3 DEG C;
Wherein:
The temperature that T1 wireless temperature-measuring sensor real-time monitors;
T2 outlet water temperature of water heater, temperature sensor C the temperature real-time monitored;
Design temperature on T water heater, wherein 36 DEG C≤T≤60 DEG C;
T0 temperature gap, can be 3-10 DEG C by set point, system default 5 DEG C.
The wireless survey of preheating control method of fuel gas water heating system based on wireless temperature-measuring sensor the most according to claim 7
The signal data of temperature sensor is through the wireless convergence terminal with its wireless telecommunications, then is transferred in the way of Data Over Cable
The central heater master controller of fuel gas water heating system.
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Cited By (5)
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CN107036296A (en) * | 2017-05-06 | 2017-08-11 | 广东万家乐燃气具有限公司 | Multifunctional central gas heater and its control system |
CN109611930A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of zero cold water heat supply system of gas heater of wireless remote-control with solenoid valve |
CN109611931A (en) * | 2018-12-17 | 2019-04-12 | 成都前锋电子有限责任公司 | A kind of zero cold water heat supply system of gas heater with distal temperature detector |
CN111780429A (en) * | 2020-08-17 | 2020-10-16 | 张军 | Zero-cold-water technical system based on real-time temperature control of key points |
CN112944691A (en) * | 2021-03-08 | 2021-06-11 | 珠海格力电器股份有限公司 | Energy-saving control method and device based on gas water heater and gas water heater |
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Application publication date: 20161221 |
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