CN105605786A - Temperature-constant gas water heater capable of remotely controlling temperature setting value - Google Patents
Temperature-constant gas water heater capable of remotely controlling temperature setting value Download PDFInfo
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- CN105605786A CN105605786A CN201610000441.0A CN201610000441A CN105605786A CN 105605786 A CN105605786 A CN 105605786A CN 201610000441 A CN201610000441 A CN 201610000441A CN 105605786 A CN105605786 A CN 105605786A
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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
Abstract
The invention discloses a temperature-constant gas water heater capable of remotely controlling the temperature setting value. The temperature-constant gas water heater comprises two hot water outlets and a cold water inlet; the temperature setting value of the temperature-constant gas water heater is changed by adoption of a method of remotely controlling the flow rate of two paths of hot water through a water valve; the inlet cold water flow rate of the cold water inlet and the outlet hot water flow rate of the hot water outlets are detected through a Hall water flow rate sensor; the temperature-constant gas water heater capable of remotely controlling the temperature setting value can control the temperature setting value of the temperature-constant gas water heater according to the pulse frequency ratio outputted by the Hall water flow rate sensor. The device does not need a wired or wireless remote controller, the hot water temperature setting value of the temperature-constant gas water heater can be remotely controlled, and the control result is stable and reliable.
Description
Technical field
The present invention relates to a kind of constant temp gas water heater, especially a kind of constant temp gas water heater of Long-distance Control desired temperature.
Background technology
Constant temp gas water heater can keep effluent temperature constancy, if but Temperature Setting is improper, particularly, in the time of shower, cannot not regulate with the gas and hot water actuator temperature of wireless remote control or remote line traffic control, add cold water with mixed water valve and easily cause again gas heater flame-out. Adopt wireless remote control regulating gas water heater temperature, be subject to the restriction of installation site, a lot of occasion remote controller signals cannot be sent to gas heater. While adopting remote line traffic control mode, special waterproof wire remote control devices cost is high, need to sunken cord in advance, works for a long time under the wet environments such as bathroom, and the wire remote control devices fault rate of electronic type is high.
Summary of the invention
The object of the invention is for the hot water temperature of far distance controlled constant temp gas water heater provides a solution constant temp gas water heater that can far distance controlled desired temperature.
To achieve these goals, the invention provides a kind of constant temp gas water heater of Long-distance Control desired temperature, comprising:
Described constant temp gas water heater includes controller, heat exchanger, the first Hall water flow sensor, the second Hall water flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet and cold water pipe, main hot-water line, the first hot-water line, the second hot-water line.
Described cold water pipe is connected between cold water inlet and heat exchanger; One end of described the first hot-water line is connected to the first hot water outlet, and one end is communicated to main hot-water line water side in addition; One end of described the second hot-water line is connected to the second hot water outlet, and one end is communicated to main hot-water line water side in addition; The water intake end of described main hot-water line is connected to heat exchanger.
Described the first Hall water flow sensor is arranged on cold water pipe, or is arranged on the main hot-water line of main hot-water line, for detection of the entrance cold water flow of cold water water inlet; Described the second Hall water flow sensor is arranged on the first hot-water line, for detection of the outlet hot water flow of the first hot water outlet.
Described the first Hall water flow sensor is provided with the first pulse signal output end, and the second Hall water flow sensor is provided with the second pulse signal output end; Described controller is provided with the first pulse signal input terminal and the second pulse signal input terminal, and described the first pulse signal input terminal, the second pulse signal input terminal are connected to respectively the first pulse signal output end, the second pulse signal output end.
The constant temp gas water heater of described Long-distance Control desired temperature is according to the desired temperature of the ratio control constant temp gas water heater between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal.
The method of described control desired temperature has two kinds:
The first method of described control desired temperature is that the relative outlet hot water flow of increase the first hot water outlet, increases desired temperature; Specifically have, in the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal increases, desired temperature increases; In the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal reduces, desired temperature reduces.
The second method of described control desired temperature is that the relative outlet hot water flow of increase the first hot water outlet, reduces desired temperature; Specifically have, in the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal increases, desired temperature reduces; In the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal reduces, desired temperature increases.
Described desired temperature is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, mixed water valve co-controlling; 2 water inlets of described mixed water valve are connected to respectively the first hot water outlet, second hot water outlet of constant temp gas water heater by the first connecting water pipe, the second connecting water pipe; The outlet hot water flow of the first hot water outlet, the second hot water outlet changes by regulating mixed water valve.
Described desired temperature or by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, the first control valve, the second control valve co-controlling; The water inlet end of described the first connecting water pipe, the second connecting water pipe is connected to respectively the first hot water outlet, second hot water outlet of constant temp gas water heater; It is a water side that the water side of described the first connecting water pipe, the second connecting water pipe is communicated with; Described the first control valve is arranged on the first connecting water pipe, and the second control valve is arranged on the second connecting water pipe; The outlet hot water flow of the first hot water outlet, the second hot water outlet is respectively by regulating the first control valve, the second control valve to change.
The first method of described control desired temperature, desired temperature is according to formula
Calculate, wherein,TDesired temperature,F1、F2 is respectively the pulse frequency of the first pulse signal, the second pulse signal,TThe 1st, minimum temperature setting value,KIt is temperature regulating range coefficient.
The second method of described control desired temperature, desired temperature is according to formula
Calculate, wherein,TDesired temperature,F1、F2 is respectively the pulse frequency of the first pulse signal, the second pulse signal,TThe 2nd, maximum temperature setting value,KIt is temperature regulating range coefficient.
The step of described controller accounting temperature setting value is:
Step S1, initializes;
Step S2, the entrance cold water flow to cold water water inlet, the outlet hot water flow of the first hot water outlet are sampled, and obtain the pulse frequency of the first pulse signal, the second pulse signal;
Step S3, the desired temperature of calculating constant temp gas water heater;
Step S4, other processing and wait; Sampling instant next time then, forwards step S2 to.
Described constant temp gas water heater also comprises power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection module.
The invention has the beneficial effects as follows, without wired or Digiplex, adopt by the method for water valve control two-way hot water flow, realize the Long-distance Control of constant temp gas water heater hot water temperature setting value, control result reliable and stable.
Brief description of the drawings
Fig. 1 is constant temp gas water heater embodiment 1 structured flowchart of Long-distance Control desired temperature.
Fig. 2 is constant temp gas water heater embodiment 2 structured flowcharts of Long-distance Control desired temperature.
Fig. 3 is flow detection schematic block circuit diagram.
Fig. 4 is the flow chart of accounting temperature setting value.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Constant temp gas water heater embodiment 1 structured flowchart of Long-distance Control desired temperature as shown in Figure 1, wherein, constant temp gas water heater comprises heat exchanger 101, the first Hall water flow sensor 201, the second Hall water flow sensor 202, the first hot water outlet 203, the second hot water outlet 204, cold water inlet 205, cold water pipe 401, main hot-water line 402, the first hot-water line 403, the second hot-water line 404; And jointly realize mixed water valve 301, the first connecting water pipe 405, the second connecting water pipe 406, heat of mixing water pipe 407, the Water outlet spray head 302 of Long-distance Control desired temperature with constant temp gas water heater.
Described constant temp gas water heater has 1 cold water inlet and 2 hot water outlets, and cold water pipe 401 is connected between cold water inlet 205 and heat exchanger 101; One end of the first hot-water line 403 is connected to the first hot water outlet 203, and one end is communicated to main hot-water line 402 water sides in addition; One end of the second hot-water line 404 is connected to the second hot water outlet 204, and one end is communicated to main hot-water line 402 water sides in addition; The water intake end of main hot-water line 402 is connected to heat exchanger 101. The first Hall water flow sensor 201 is arranged on cold water pipe 401, or is arranged on main hot-water line 402. The second Hall water flow sensor 202 is arranged on the first hot-water line 403.
2 water inlets of mixed water valve 301 are connected to respectively the first hot water outlet 203, second hot water outlet 204 of constant temp gas water heater by the first connecting water pipe 405, the second connecting water pipe 406; The delivery port of mixed water valve 301 is connected to Water outlet spray head 302 by heat of mixing water pipe 407.
Constant temp gas water heater embodiment 2 structured flowcharts of Long-distance Control desired temperature as shown in Figure 2, be with the difference of embodiment 1, use the first control valve 303, the second control valve 304 to replace mixed water valve 301, the first control valve 303 is arranged on the first connecting water pipe 405, and the second control valve 304 is arranged on the second connecting water pipe 406; The water side of the first connecting water pipe 405, the second connecting water pipe 406 adopts threeway to be connected with heat of mixing water pipe 407.
Described constant temp gas water heater also includes controller 210, its flow detection schematic block circuit diagram as shown in Figure 3, the first Hall water flow sensor 201 is provided with the first pulse signal output end OUT1, for detection of the entrance cold water flow of cold water water inlet 205, the signal type of the first pulse signal is pulse frequency. The second Hall water flow sensor 202 is provided with the second pulse signal output end OUT2, and for detection of the outlet hot water flow of the first hot water outlet 203, the signal type of the second pulse signal is pulse frequency. The first Hall water flow sensor 201, the second Hall water flow sensor 202 adopt single power supply; In Fig. 3, powered to the first Hall water flow sensor 201, the second Hall water flow sensor 202 by single supply+VDD.
Controller 210 is provided with the first pulse signal input terminal IN1, the second pulse signal input terminal IN2; The first pulse signal input terminal IN1, the second pulse signal input terminal IN2 are connected to respectively the first pulse signal output end OUT1, the second pulse signal output end OUT2.
The operation principle of the constant temp gas water heater of described Long-distance Control desired temperature is:
Regulating mixed water valve 301, or regulate the first control valve 303, the second control valve 304 to change the outlet hot water flow of the first hot water outlet 203 and the entrance cold water flow of cold water water inlet 205, thereby change the pulse frequency of the first pulse signal and the second pulse signal; According to the desired temperature of the ratio control constant temp gas water heater between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal. The entrance cold water flow of cold water water inlet 205 equals the outlet hot water flow sum of the first hot water outlet 203 and the second hot water outlet 204.
If the pulse frequency of the first pulse signal, the second pulse signal is respectivelyF1、F2, the desired temperature of constant temp gas water heater isT, controlling the method for desired temperature has two kinds, and first method is, increases the relative outlet hot water flow of the first hot water outlet 203, increases desired temperature, specifically have, whenF2 with respect toFWhen 1 ratio increases, desired temperatureTIncrease; WhenF2 with respect toFWhen 1 ratio reduces, desired temperatureTReduce. Described controller 210 is according to formula
Calculate the desired temperature of constant temp gas water heaterT, wherein,TThe 1st, minimum temperature setting value,KIt is temperature regulating range coefficient.
Second method is, increases the relative outlet hot water flow of the first hot water outlet 203, reduces desired temperature, specifically have, whenF2 with respect toFWhen 1 ratio increases, desired temperatureTReduce; WhenF2 with respect toFWhen 1 ratio reduces, desired temperatureTIncrease. Described controller 210 is according to formula
Calculate the desired temperature of constant temp gas water heaterT, wherein,TThe 2nd, maximum temperature setting value,KRemain temperature regulating range coefficient.
The water temperature control interval of water heater is normally between 30 DEG C to 80 DEG C. For example, selectT1=35℃，K=40; Or selectT2=75℃，K=40, desired temperatureTBe controlled in 35 DEG C to 75 DEG C.
Described controller 210 is made up of microcontroller and peripheral circuit. The preferred single-chip microcomputer of microcontroller, or select other devices such as ARM, DSP. The first pulse signal input terminal IN1, the second pulse signal input terminal IN2 are the counting input end of microcontroller internal counter.
Described constant temp gas water heater also comprises hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection module etc. Further, described constant temp gas water heater also optionally comprises part of module or the whole module in cold water temperature detection module, temperature value display module, blast detection module, buzzer module.
Described constant temp gas water heater also includes power module, for single supply+VDD and other power supplys are provided, to controller 210, first flow sensor 201, second quantity sensor 202 and other module for power supply.
The flow process of controller 210 accounting temperature setting values as shown in Figure 4, the steps include:
Step S1, initializes;
Step S2, the entrance cold water flow to cold water water inlet 205, the outlet hot water flow of the first hot water outlet 203 are sampled, and obtain the pulse frequency of the first pulse signal, the second pulse signalF1、F2；
Step S3, the desired temperature of calculating constant temp gas water heaterT；
Step S4, other processing and wait; Sampling instant next time then, forwards step S2 to.
Controller 210 is except calculating the desired temperature of constant temp gas water heaterTAlso to carry out other controls of constant temp gas water heater outward. Described other processing and wait, comprise water temperature sampling that controller 210 need to complete, water temperature control, gas flow control driving, air-blower control driving, IGNITION CONTROL etc., and wait for. Controller 210 calculates and obtains desired temperatureTAfter, adopt suitable control algolithm, control the heating power of gas heater by controlling gas flow, the water outlet hot water temperature of gas heater can be controlled to desired temperatureTWithin near allowable error scope, realize temperature incubation function.
Described sampling instant next time control then, controller 210 adopts software delay, or timer timing realizes.
The Hall water flow sensor of described the first Hall water flow sensor 201, the second Hall water flow sensor 202 preferred same range abilities.
The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present invention.
Claims (10)
1. a constant temp gas water heater for Long-distance Control desired temperature, is characterized in that:
Described constant temp gas water heater includes controller, heat exchanger, the first Hall water flow sensor, the second Hall water flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet and cold water pipe, main hot-water line, the first hot-water line, the second hot-water line;
Described cold water pipe is connected between cold water inlet and heat exchanger; One end of described the first hot-water line is connected to the first hot water outlet, and one end is communicated to main hot-water line water side in addition; One end of described the second hot-water line is connected to the second hot water outlet, and one end is communicated to main hot-water line water side in addition; The water intake end of described main hot-water line is connected to heat exchanger;
Described the first Hall water flow sensor is arranged on cold water pipe, or is arranged on the main hot-water line of main hot-water line, for detection of the entrance cold water flow of cold water water inlet; Described the second Hall water flow sensor is arranged on the first hot-water line, for detection of the outlet hot water flow of the first hot water outlet;
Described the first Hall water flow sensor is provided with the first pulse signal output end, and the second Hall water flow sensor is provided with the second pulse signal output end; Described controller is provided with the first pulse signal input terminal and the second pulse signal input terminal, and described the first pulse signal input terminal, the second pulse signal input terminal are connected to respectively the first pulse signal output end, the second pulse signal output end;
The constant temp gas water heater of described Long-distance Control desired temperature is according to the desired temperature of the ratio control constant temp gas water heater between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal;
The method of described control desired temperature has two kinds:
The first method of described control desired temperature is that the relative outlet hot water flow of increase the first hot water outlet, increases desired temperature; Specifically have, in the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal increases, desired temperature increases; In the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal reduces, desired temperature reduces;
The second method of described control desired temperature is that the relative outlet hot water flow of increase the first hot water outlet, reduces desired temperature; Specifically have, in the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal increases, desired temperature reduces; In the time that the ratio between the pulse frequency of the second pulse signal and the pulse frequency of the first pulse signal reduces, desired temperature increases.
2. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: described desired temperature is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, mixed water valve co-controlling; 2 water inlets of described mixed water valve are connected to respectively the first hot water outlet, second hot water outlet of constant temp gas water heater by the first connecting water pipe, the second connecting water pipe; The outlet hot water flow of the first hot water outlet, the second hot water outlet changes by regulating mixed water valve.
3. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: described desired temperature is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, the first control valve, the second control valve co-controlling; The water inlet end of described the first connecting water pipe, the second connecting water pipe is connected to respectively the first hot water outlet, second hot water outlet of constant temp gas water heater; It is a water side that the water side of described the first connecting water pipe, the second connecting water pipe is communicated with; Described the first control valve is arranged on the first connecting water pipe, and the second control valve is arranged on the second connecting water pipe; The outlet hot water flow of the first hot water outlet, the second hot water outlet is respectively by regulating the first control valve, the second control valve to change.
4. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: the first method of described control desired temperature, desired temperature is according to formula
Calculate, wherein,TDesired temperature,F1、F2 is respectively the pulse frequency of the first pulse signal, the second pulse signal,TThe 1st, minimum temperature setting value,KIt is temperature regulating range coefficient.
5. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: the second method of described control desired temperature, desired temperature is according to formula
Calculate, wherein,TDesired temperature,F1、F2 is respectively the pulse frequency of the first pulse signal, the second pulse signal,TThe 2nd, maximum temperature setting value,KIt is temperature regulating range coefficient.
6. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 4, is characterized in that: described minimum temperature setting valueT1=35 DEG C, temperature regulating range coefficientK=40。
7. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 5, is characterized in that: described maximum temperature setting valueT2=75 DEG C, temperature regulating range coefficientK=40。
8. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: the Hall water flow sensor that described the first Hall water flow sensor, the second Hall water flow sensor are same range ability.
9. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: the step of described controller accounting temperature setting value is:
Step S1, initializes;
Step S2, the entrance cold water flow to cold water water inlet, the outlet hot water flow of the first hot water outlet are sampled, and obtain the pulse frequency of the first pulse signal, the second pulse signal;
Step S3, the desired temperature of calculating constant temp gas water heater;
Step S4, other processing and wait; Sampling instant next time then, forwards step S2 to.
10. the constant temp gas water heater of Long-distance Control desired temperature as claimed in claim 1, is characterized in that: described constant temp gas water heater also comprises power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610000441.0A CN105605786B (en) | 2016-01-04 | 2016-01-04 | constant temperature gas water heater of remote control temperature setting value |
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| CN201610000441.0A CN105605786B (en) | 2016-01-04 | 2016-01-04 | constant temperature gas water heater of remote control temperature setting value |
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| CN105605786A true CN105605786A (en) | 2016-05-25 |
| CN105605786B CN105605786B (en) | 2019-12-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207394A (en) * | 2018-11-26 | 2019-09-06 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN111948941A (en) * | 2020-07-10 | 2020-11-17 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
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| CN104236109A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Control method and control device of constant-temperature gas water heater |
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| CN201688004U (en) * | 2010-05-18 | 2010-12-29 | 无锡和晶科技股份有限公司 | Proportional valve control and feedback circuit of gas water heater |
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| CN110207394A (en) * | 2018-11-26 | 2019-09-06 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN110207394B (en) * | 2018-11-26 | 2023-11-21 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN111948941A (en) * | 2020-07-10 | 2020-11-17 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
| CN111948941B (en) * | 2020-07-10 | 2022-09-30 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
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Inventor after: Wen Dingdu Inventor after: Ling Yun Inventor after: Yuan Chuanlai Inventor after: Guo Yanjie Inventor after: Chen Gang Inventor after: Wang Bing Inventor after: Tang Wenyan Inventor before: Ling Yun Inventor before: Yuan Chuanlai Inventor before: Guo Yanjie Inventor before: Chen Gang Inventor before: Wang Bing Inventor before: Wen Dingdu Inventor before: Tang Wenyan |
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Effective date of registration: 20201013 Address after: No.76 Minfeng South Road, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: ZHANGJIAGANG DONGDA INDUSTRIAL TECHNOLOGY Research Institute Address before: 237000 Democratic constituency of Shiji street, Anfeng Town, Shouxian County, Huainan City, Anhui Province Patentee before: Wang Jingjing Effective date of registration: 20201013 Address after: 237000 Democratic constituency of Shiji street, Anfeng Town, Shouxian County, Huainan City, Anhui Province Patentee after: Wang Jingjing Address before: 412007 School of industry, research and production, Hunan University of Technology, 88 West Taishan Road, Zhuzhou, Hunan Patentee before: HUNAN University OF TECHNOLOGY |
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