CN105571144A - Temperature setting method of constant-temperature gas water heater - Google Patents
Temperature setting method of constant-temperature gas water heater Download PDFInfo
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- CN105571144A CN105571144A CN201610000430.2A CN201610000430A CN105571144A CN 105571144 A CN105571144 A CN 105571144A CN 201610000430 A CN201610000430 A CN 201610000430A CN 105571144 A CN105571144 A CN 105571144A
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- hot water
- outlet
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- constant temp
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a temperature setting method of a constant-temperature gas water heater. The constant-temperature gas water heater comprises two hot water outlets. The temperature set value of the constant-temperature gas water heater is controlled through the method that the relative difference value ratio of two routes of hot water flow is controlled through a water valve; when the hot water flow at the first hot water outlet is relatively increased and the hot water flow at the second hot water outlet is relatively decreased, the temperature set value is increased; and when the hot water flow at the first hot water outlet is relatively decreased and the hot water flow at the second hot water outlet is relatively increased, the temperature set value is decreased. According to the method, no wired or wireless remote controllers are needed, the hot water temperature set value of the constant-temperature gas water heater can be remotely regulated, and the control result is stable and reliable.
Description
Technical field
The present invention relates to a kind of constant temp gas water heater control technology, the given method of especially a kind of constant temp gas water heater temperature.
Background technology
Constant temp gas water heater can keep effluent temperature constancy, if but temperature setting is improper, particularly when shower, the gas and hot water actuator temperature not with wireless remote control or remote line traffic control cannot regulate, and adds cold water easily cause again gas heater to stop working with mixed water valve.Adopt wireless remote control regulating gas water heater temperature, by the restriction of installation site, a lot of occasion remote controller signal cannot be sent to gas heater.When adopting remote line traffic control mode, special waterproof wire remote control devices cost is high, needs 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 hot water temperature that the object of the invention is for far distance controlled constant temp gas water heater provides a solution, namely can the method for temperature given value of far distance controlled constant temp gas water heater.
To achieve these goals, the invention provides a kind of given method of constant temp gas water heater temperature, comprising:
Described constant temp gas water heater includes controller, first flow sensor, second quantity sensor, the first hot water outlet, the second hot water outlet.
Before described first flow sensor is arranged on the first hot water outlet, for detecting outlet hot water's flow of the first hot water outlet; Before described second quantity sensor is arranged on the second hot water outlet, for detecting outlet hot water's flow of the second hot water outlet.Described first flow sensor, second quantity sensor are the water flow sensor of same type, same range ability.
Described first flow sensor is electrically connected with between controller, for outlet hot water's flow signal of the first hot water outlet is passed to controller; Described second quantity sensor is electrically connected with between controller, for outlet hot water's flow signal of the second hot water outlet is passed to controller.
The given method of described temperature is, is controlled the temperature given value of constant temp gas water heater by the relative size of outlet hot water's flow of the first hot water outlet, the second hot water outlet; When outlet hot water's flow of the first hot water outlet relatively increase, outlet hot water's flow of the second hot water outlet relatively reduce time, temperature given value increases; When outlet hot water's flow of the first hot water outlet relatively reduce, outlet hot water's flow of the second hot water outlet relatively increase time, temperature given value reduces.
Described temperature given value is according to formula
Calculate, wherein,
ttemperature given value,
q1,
q2 is outlet hot water's flow of the first hot water outlet, the second hot water outlet respectively,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.
The step of described controller accounting temperature set-point is:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the first hot water outlet, the second hot water outlet;
Step S3, calculates the temperature given value of constant temp gas water heater;
Step S4, carries out other process and waits for; Sampling instant next time then, forwards step S2 to.
The relative size of outlet hot water's flow of described first hot water outlet, the second hot water outlet regulates change by mixing water valve; 2 water inlets of described mixed water valve are connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively by water pipe.The relative size of outlet hot water's flow of described first hot water outlet, the second hot water outlet or jointly regulate change by the first control valve, the second control valve; The water inlet of described first control valve is connected to the first hot water outlet of constant temp gas water heater through water pipe, the water inlet of the second control valve is connected to the second hot water outlet of constant temp gas water heater through water pipe; It is a water side that the delivery port of described first control valve, the second control valve is communicated with.
Described constant temp gas water heater also comprises heat exchanger, cold water inlet and water pipe, and power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules.
The invention has the beneficial effects as follows, without the need to wired or Digiplex, adopt the method being controlled two-way hot water flow by water valve, realize the Long-distance Control of water heater hot-water temperature set-point, control result reliable and stable.
Accompanying drawing explanation
Fig. 1 is system embodiment 1 structured flowchart of the given method of constant temp gas water heater temperature.
Fig. 2 is system embodiment 2 structured flowchart of the given method of constant temp gas water heater temperature.
Fig. 3 is flow sensing circuit theory diagram.
Fig. 4 is the flow chart of accounting temperature set-point.
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 thereto.
System embodiment 1 structured flowchart of the given method of constant temp gas water heater temperature as shown in Figure 1, is made up of heat exchanger 101, first flow sensor 201, second quantity sensor 202, first hot water outlet 203, second hot water outlet 204, cold water inlet 205, mixed water valve 301 and cold water pipe 401, main hot-water line 402, first hot-water line 403, second hot-water line 404, first connecting water pipe 405, second connecting water pipe 406, heat of mixing water pipe 407, Water outlet spray head 302.
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 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 side in addition; One end of 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 side in addition; The water intake end of main hot-water line 402 is connected to heat exchanger 101.
Before described first flow sensor 201 is arranged on the first hot water outlet 203, for detecting outlet hot water's flow of the first hot water outlet; Before described second quantity sensor 202 is arranged on the second hot water outlet 204, for detecting outlet hot water's flow of the second hot water outlet.Specifically, first flow sensor 201 is arranged on the first hot-water line 403, and second quantity sensor 202 is arranged on the second hot-water line 404.
2 water inlets of mixed water valve 301 are connected to the first hot water outlet 203, second hot water outlet 204 of constant temp gas water heater respectively by the first connecting water pipe 405, 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.When mixed water valve 301 is cold water, hot water mixes water valve, the first connecting water pipe 405 is connected to the water inlet of hot water of mixed water valve 301, and the second connecting water pipe 406 is connected to the cold water inlet of mixed water valve 301.
System embodiment 2 structured flowchart of the given method of constant temp gas water heater temperature as shown in Figure 2, is with the difference of embodiment 1, uses the first control valve 303, second control valve 304 to replace mixed water valve 301; The water inlet of the first control valve 303 is connected to the first hot water outlet 203, second control valve 304 of constant temp gas water heater water inlet through the first connecting water pipe 405 is connected to the second hot water outlet 204 of constant temp gas water heater through the second connecting water pipe 406.It is that a water side is connected with heat of mixing water pipe 407 that the delivery port of the first control valve 303, second control valve 304 is communicated with.
Described constant temp gas water heater also includes controller 210, its flow sensing circuit theory diagram as shown in Figure 3, first flow sensor 201 is provided with first flow signal output part OUT1, for detecting outlet hot water's flow of the first hot water outlet 203, first flow signal is the signal of telecommunication, signal type is pulse frequency, or voltage, or is electric current.Second quantity sensor 202 is provided with the second flow signal output part OUT2, and for detecting outlet hot water's flow of the second hot water outlet 204, the second flow signal is the signal of telecommunication, and signal type is pulse frequency, or voltage, or is electric current.
Controller 210 is provided with first flow signal input part IN1, the second flow signal input part IN2; First flow signal input part IN1, the second flow signal input part IN2 are connected to first flow signal output part OUT1, the second flow signal output part OUT2 respectively.
The given principle of described constant temp gas water heater temperature is:
Regulating mixed water valve 301, or regulate the first control valve 303, second control valve 304 to change outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204, control constant temp gas water heater temperature given value by the relative size of outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204; If outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204 is respectively
q1,
q2, the temperature given value of constant temp gas water heater is
t, then when
q1 increase relatively,
q2 when relatively reducing, temperature given value
tincrease; When
q1 reduction relatively,
q2 when relatively increasing, temperature given value
treduce.Described controller 210 obtains outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204 by first flow sensor 201, second quantity sensor 202
q1,
qafter 2, according to formula
Calculate the temperature given value of constant temp gas water heater
t, wherein,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.Flow
q1,
qthe unit of 2 is L/min.
The water temperature control interval of water heater is normally between 30 DEG C to 80 DEG C.Such as, select
t0=50 DEG C,
k=15, then temperature given value
tbe controlled in 35 DEG C to 65 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.When the signal type of first flow signal, the second flow signal is pulse frequency, first flow signal input part IN1, the second flow signal input part IN2 are the counting input end of microcontroller counter.When the signal type of first flow signal, the second flow signal is voltage, or during electric current, first flow signal input part IN1, the second flow signal input part IN2 are the input end of analog signal of A/D converter.Described A/D converter is by microprocessor control and read data by microcontroller, and preferably, described A/D converter is included in microcontroller.
Described constant temp gas water heater also comprises hot water temperature's detection module, gas flow controls driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules etc.Further, described constant temp gas water heater also optionally comprises part of module in cold water temperature detection module, temperature value display module, blast detection module, buzzer module or whole modules.
Described constant temp gas water heater also includes power module, for controller 210, first flow sensor 201, second quantity sensor 202 and other module for power supply.
The flow process of controller 210 accounting temperature set-point as shown in Figure 4, the steps include:
Step S1, initializes;
Step S2, to outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204
q1,
q2 sample;
Step S3, calculates the temperature given value of constant temp gas water heater
t;
Step S4, carries out other process and waits for; Sampling instant next time then, forwards step S2 to.
Controller 210 is except the temperature given value calculating constant temp gas water heater
toutward, other controls of constant temp gas water heater will also be carried out.Other process described and waiting for, comprise water temperature sampling that controller 210 needs complete, water temperature control, gas flow controls driving, air-blower control driving, IGNITION CONTROL etc., and wait.Controller 210 calculates and obtains temperature given value
tafter, adopt suitable control algolithm, controlling the heating power of gas heater by controlling gas flow, the water outlet hot water temperature of gas heater can be controlled at temperature given value
twithin neighbouring allowable error scope, realize temperature incubation function.
Described sampling instant next time control then, controller 210 adopts software delay, or timer timing realizes.
The water flow sensor of the preferred same type of described first flow sensor 201, second quantity sensor 202, same range ability.Further, described first flow sensor 201, second quantity sensor 202 preferably adopt low cost, output signal type is the Hall water flow sensor of pulse frequency.
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 done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (10)
1. the given method of constant temp gas water heater temperature, is characterized in that:
Described constant temp gas water heater includes controller, first flow sensor, second quantity sensor, the first hot water outlet, the second hot water outlet;
Before described first flow sensor is arranged on the first hot water outlet, for detecting outlet hot water's flow of the first hot water outlet; Before described second quantity sensor is arranged on the second hot water outlet, for detecting outlet hot water's flow of the second hot water outlet;
Described first flow sensor is electrically connected with between controller, for outlet hot water's flow signal of the first hot water outlet is passed to controller; Described second quantity sensor is electrically connected with between controller, for outlet hot water's flow signal of the second hot water outlet is passed to controller;
The given method of described temperature is, is controlled the temperature given value of constant temp gas water heater by the relative size of outlet hot water's flow of the first hot water outlet, the second hot water outlet; When outlet hot water's flow of the first hot water outlet relatively increase, outlet hot water's flow of the second hot water outlet relatively reduce time, temperature given value increases; When outlet hot water's flow of the first hot water outlet relatively reduce, outlet hot water's flow of the second hot water outlet relatively increase time, temperature given value reduces.
2. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: the relative size of outlet hot water's flow of described first hot water outlet, the second hot water outlet regulates change by mixing water valve; 2 water inlets of described mixed water valve are connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively by water pipe.
3. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: the relative size of outlet hot water's flow of described first hot water outlet, the second hot water outlet regulates change jointly by the first control valve, the second control valve; The water inlet of described first control valve is connected to the first hot water outlet of constant temp gas water heater through water pipe, the water inlet of the second control valve is connected to the second hot water outlet of constant temp gas water heater through water pipe; It is a water side that the delivery port of described first control valve, the second control valve is communicated with.
4. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: described temperature given value is according to formula
Calculate, wherein,
ttemperature given value,
q1,
q2 is outlet hot water's flow of the first hot water outlet, the second hot water outlet respectively,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.
5. the given method of constant temp gas water heater temperature as claimed in claim 4, is characterized in that: described central temperature set-point
t0=50 DEG C, temperature regulating range coefficient
k=15.
6. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: described first flow sensor, second quantity sensor are the water flow sensor of same type, same range ability.
7. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: described first flow sensor, second quantity sensor are Hall water flow sensor.
8. the given method of constant temp gas water heater temperature as claimed in claim 1, is characterized in that: the step of described controller accounting temperature set-point is:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the first hot water outlet, the second hot water outlet;
Step S3, calculates the temperature given value of constant temp gas water heater;
Step S4, carries out other process and waits for; Sampling instant next time then, forwards step S2 to.
9. the given method of constant temp gas water heater temperature as claimed in claim 8, it is characterized in that: described in carry out other process and wait for, be controller except calculating the temperature given value of constant temp gas water heater, other of the constant temp gas water heater that also will carry out control, and wait for.
10. the given method of constant temp gas water heater temperature as claimed in claim 1, it is characterized in that: described constant temp gas water heater also comprises heat exchanger, cold water inlet and water pipe, and power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000430.2A CN105571144B (en) | 2016-01-04 | 2016-01-04 | temperature setting method for constant-temperature gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000430.2A CN105571144B (en) | 2016-01-04 | 2016-01-04 | temperature setting method for constant-temperature gas water heater |
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| CN105571144B CN105571144B (en) | 2019-12-06 |
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Citations (4)
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|---|---|---|---|---|
| WO2008070906A1 (en) * | 2006-12-12 | 2008-06-19 | Rheem Australia Pty Limited | A controllable water heater |
| 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 |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
| 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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2016
- 2016-01-04 CN CN201610000430.2A patent/CN105571144B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008070906A1 (en) * | 2006-12-12 | 2008-06-19 | Rheem Australia Pty Limited | A controllable water heater |
| 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 |
| 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 |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
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| CN105571144B (en) | 2019-12-06 |
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Effective date of registration: 20201021 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: 20201021 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 |