CN105605785A - Method for setting temperature of constant-temperature gas water heater - Google Patents
Method for setting temperature of constant-temperature gas water heater Download PDFInfo
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- CN105605785A CN105605785A CN201610000428.5A CN201610000428A CN105605785A CN 105605785 A CN105605785 A CN 105605785A CN 201610000428 A CN201610000428 A CN 201610000428A CN 105605785 A CN105605785 A CN 105605785A
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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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- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a method for setting the temperature of a constant-temperature gas water heater. The constant-temperature gas water heater comprises two hot water outlets and a cold water inlet, wherein a water valve controls a ratio of flow of outlet hot water from the first hot water outlet to flow of inlet cold water from the cold water inlet to control a temperature set value of the constant-temperature gas water heater; when the ratio of the flow of the outlet hot water from the first hot water outlet to the flow of the inlet cold water from the cold water inlet is increased, the temperature set value is increased; when the ratio of the flow of the outlet hot water from the first hot water outlet to the flow of the inlet cold water from the cold water inlet is decreased, the temperature set value is decreased. The method has the advantages that no wired or wireless remote controller is involved in the method, and remote control over the temperature set value of hot water of the water heater can be realized, 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, especially a kind of constant temp gas water heater temperature setting method.
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 the method for desired temperature that can far distance controlled constant temp gas water heater.
To achieve these goals, the invention provides a kind of constant temp gas water heater temperature setting method, comprising:
Described constant temp gas water heater includes controller, positive interaction flow sensor, total flow sensor, the first hot water outlet, the second hot water outlet, cold water water inlet.
Before described positive interaction flow sensor is arranged on the first hot water outlet, for detection of the outlet hot water flow of the first hot water outlet; Described total flow installation of sensors is after cold water water inlet, for detection of the entrance cold water flow of cold water water inlet.
Between described positive interaction flow sensor and controller, be electrically connected, for the outlet hot water flow signal of the first hot water outlet is passed to controller; Between described total flow sensor and controller, be electrically connected, for the entrance cold water flow signal of cold water water inlet is passed to controller.
Described temperature setting method is, by the ratio control constant temp gas water heater desired temperature between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet; In the time that the ratio between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet increases, desired temperature increases; In the time that the ratio between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet reduces, desired temperature reduces.
Described desired temperature is according to formula
Calculate, wherein,TDesired temperature,Q1 is the outlet hot water flow of the first hot water outlet,QThe 0th, the entrance cold water flow of cold water water inlet,TThe 1st, minimum 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 outlet hot water flow to the first hot water outlet, the entrance cold water flow of cold water water inlet are sampled;
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.
Ratio between the outlet hot water flow of described the first hot water outlet and the entrance cold water flow of cold water water inlet regulates change by mixing water valve; 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 water pipe.
Ratio between the outlet hot water flow of described the first hot water outlet and the entrance cold water flow of cold water water inlet or jointly regulate change by the first control valve, the second control valve; The water inlet of described the 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 the first control valve, the second control valve is communicated with.
Described constant temp gas water heater also comprises heat exchanger 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 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 water heater hot-water temperature setting value, control result reliable and stable.
Brief description of the drawings
Fig. 1 is system embodiment 1 structured flowchart of constant temp gas water heater temperature setting method.
Fig. 2 is system embodiment 2 structured flowcharts of constant temp gas water heater temperature setting method.
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.
System embodiment 1 structured flowchart of constant temp gas water heater temperature setting method as shown in Figure 1, is made up of heat exchanger 101, total flow sensor 201, positive interaction flow sensor 202, the first hot water outlet 203, the second hot water outlet 204, cold water water inlet 205, mixed water valve 301 and cold water pipe 401, main hot-water line 402, the first hot-water line 403, the second hot-water line 404, the first connecting water pipe 405, the 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 water inlet and 2 hot water outlets, and cold water pipe 401 is connected between cold water 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.
Before described positive interaction flow sensor 202 is arranged on the first hot water outlet 203, for detection of the outlet hot water flow of the first hot water outlet; After described total flow sensor 201 is arranged on cold water water inlet 205, for detection of the entrance cold water flow of cold water water inlet 205. Specifically, positive interaction flow sensor 202 is arranged on the first hot-water line 403, and total flow sensor 201 is arranged on cold water pipe 401. Because the outlet hot water flow of heat exchanger 101 is consistent with entrance cold water flow, therefore, total flow sensor 201 also can be arranged on main hot-water line 402.
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. When mixed water valve 301 is cold water, the mixed water valve of hot water, 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 water inlet of mixed water valve 301.
System embodiment 2 structured flowcharts of constant temp gas water heater temperature setting method as shown in Figure 2, are with the difference of embodiment 1, use the first control valve 303, the 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, the second control valves 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, the second control valve 304 is communicated with.
Described constant temp gas water heater also includes controller 210, its flow detection schematic block circuit diagram as shown in Figure 3, total flow sensor 201 is provided with total flow signal output part OUT, for detection of the entrance cold water flow of cold water water inlet 205, total flow signal is the signal of telecommunication, signal type is pulse frequency, or voltage, or is electric current. Positive interaction flow sensor 202 is provided with first flow signal output part OUT1, and for detection of the outlet hot water flow of the first hot water outlet 203, first flow signal is the signal of telecommunication, and signal type is pulse frequency, or voltage, or is electric current.
Controller 210 is provided with total flow signal input part IN, first flow signal input part IN1; Total flow signal input part IN, first flow signal input part IN1 are connected to respectively total flow signal output part OUT, first flow signal output part OUT1.
The principle of described constant temp gas water heater Temperature Setting 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, the second hot water outlet 204, by the ratio control constant temp gas water heater desired temperature between the outlet hot water flow of the first hot water outlet 203 and the entrance cold water flow of cold water water inlet 205; 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 outlet hot water flow of the first hot water outlet 203 isQ1, the entrance cold water flow of cold water water inlet 205 isQ0, the desired temperature of constant temp gas water heater isT, work asQ1 ratioQWhen 0 ratio increases, desired temperatureTIncrease; WhenQ1 ratioQWhen 0 ratio reduces, desired temperatureTReduce. Described controller 210 is obtained the outlet hot water flow of the first hot water outlet 203 by positive interaction flow sensor 202, total flow sensor 201Q1, the entrance cold water flow of cold water water inlet 205QAfter 0, 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. FlowQ1、Q0 unit is L/min.
The water temperature control interval of water heater is normally between 30 DEG C to 80 DEG C. SelectT1=30℃，K=40, desired temperatureTBe controlled in 30 DEG C to 70 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. In the time that the signal type of first flow signal, total flow signal is pulse frequency, first flow signal input part IN1, total flow signal input part IN are the counting input end of microcontroller internal counter. When the signal type of first flow signal, total flow signal is voltage, or when electric current, the input end of analog signal that first flow signal input part IN1, total flow signal input part IN are A/D converter. Described A/D converter is subject to microprocessor control and by microcontroller reading out data, preferably, described A/D converter is included in microcontroller inside.
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 to controller 210, total flow sensor 201, positive interaction flow 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, to the outlet hot water flow of the first hot water outlet 203Q1, the entrance cold water flow of cold water water inlet 205Q0 samples;
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 water flow sensor of described positive interaction flow sensor 202, the preferred same type of total flow sensor 201, same range ability. Further, the Hall water flow sensor that described positive interaction flow sensor 202, total flow sensor 201 preferably adopts cheaply, output signal type is 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 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 temperature setting method, is characterized in that:
Described constant temp gas water heater includes controller, positive interaction flow sensor, total flow sensor, the first hot water outlet, the second hot water outlet, cold water water inlet;
Before described positive interaction flow sensor is arranged on the first hot water outlet, for detection of the outlet hot water flow of the first hot water outlet; Described total flow installation of sensors is after cold water water inlet, for detection of the entrance cold water flow of cold water water inlet;
Between described positive interaction flow sensor and controller, be electrically connected, for the outlet hot water flow signal of the first hot water outlet is passed to controller; Between described total flow sensor and controller, be electrically connected, for the entrance cold water flow signal of cold water water inlet is passed to controller;
Described temperature setting method is, by the ratio control constant temp gas water heater desired temperature between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet; In the time that the ratio between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet increases, desired temperature increases; In the time that the ratio between the outlet hot water flow of the first hot water outlet and the entrance cold water flow of cold water water inlet reduces, desired temperature reduces.
2. constant temp gas water heater temperature setting method as claimed in claim 1, is characterized in that: the ratio between the outlet hot water flow of described the first hot water outlet and the entrance cold water flow of cold water water inlet regulates change by mixing water valve; 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 water pipe.
3. constant temp gas water heater temperature setting method as claimed in claim 1, is characterized in that: the ratio between the outlet hot water flow of described the first hot water outlet and the entrance cold water flow of cold water water inlet regulates change jointly by the first control valve, the second control valve; The water inlet of described the 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 the first control valve, the second control valve is communicated with.
4. constant temp gas water heater temperature setting method as claimed in claim 1, is characterized in that: described desired temperature is according to formula
Calculate, wherein,TDesired temperature,Q1 is the outlet hot water flow of the first hot water outlet,QThe 0th, the entrance cold water flow of cold water water inlet,TThe 1st, minimum temperature setting value,KIt is temperature regulating range coefficient.
5. constant temp gas water heater temperature setting method as claimed in claim 4, is characterized in that: described minimum temperature setting valueT1=30 DEG C, temperature regulating range coefficientK=40。
6. constant temp gas water heater temperature setting method as claimed in claim 1, is characterized in that: described positive interaction flow sensor, total flow sensor are the water flow sensor of same type, same range ability.
7. constant temp gas water heater temperature setting method as claimed in claim 1, is characterized in that: described positive interaction flow sensor, total flow sensor are Hall water flow sensor.
8. constant temp gas water heater temperature setting method 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 outlet hot water flow to the first hot water outlet, the entrance cold water flow of cold water water inlet are sampled;
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.
9. constant temp gas water heater temperature setting method as claimed in claim 8, it is characterized in that: described other processing and wait, be controller except calculating the desired temperature of constant temp gas water heater, other of the constant temp gas water heater that also will carry out are controlled, and wait for.
10. constant temp gas water heater temperature setting method as claimed in claim 1, it is characterized in that: described constant temp gas water heater also comprises heat exchanger 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 module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610000428.5A CN105605785B (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 |
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| CN201610000428.5A CN105605785B (en) | 2016-01-04 | 2016-01-04 | temperature setting method for constant-temperature gas water heater |
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| CN105605785B CN105605785B (en) | 2019-12-06 |
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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 |
| 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 CN201610000428.5A patent/CN105605785B/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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| CN105605785B (en) | 2019-12-06 |
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Effective date of registration: 20201015 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 Effective date of registration: 20201015 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 |
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