CN205383792U - Constant temperature gas heater of remote control temperature setting value - Google Patents

Constant temperature gas heater of remote control temperature setting value Download PDF

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Publication number
CN205383792U
CN205383792U CN201620000680.1U CN201620000680U CN205383792U CN 205383792 U CN205383792 U CN 205383792U CN 201620000680 U CN201620000680 U CN 201620000680U CN 205383792 U CN205383792 U CN 205383792U
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China
Prior art keywords
water
hot
outlet
hall
constant temp
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Expired - Fee Related
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CN201620000680.1U
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Chinese (zh)
Inventor
王兵
凌云
曾红兵
陈刚
文定都
聂辉
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Hunan University of Technology
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Hunan University of Technology
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Abstract

The utility model discloses a constant temperature gas heater of remote control temperature setting value, constant temperature gas heater adopts the temperature setting value that changes constant temperature gas heater through two way hot water flow's of water valve remote control method including two hot water delivery ports and a cold water water inlet, the entry cool water flowrate of cold water water inlet and the export hot water flow of first hot water delivery port are detected by hall water flow sensor, constant temperature gas heater of remote control temperature setting value is according to the pulse frequency's of hall water flow sensor output ratio control constant temperature gas heater's temperature setting value. The device need not wiredly or the wireless remote control ware, can realize the remote control of constant temperature gas heater hot water temperature setting value, and control results is reliable and stable.

Description

A kind of constant temp gas water heater of long-range control desired temperature
Technical field
This utility model relates to a kind of constant temp gas water heater, the constant temp gas water heater of especially a kind of long-range control desired temperature.
Background technology
Constant temp gas water heater can keep effluent temperature constancy, if but temperature sets improper, particularly when shower, the gas and hot water actuator temperature without wireless remote control or remote line traffic control cannot regulate, and is easily caused again gas heater with water mixing valve interpolation cold water and stops working.Adopting wireless remote control regulating gas water heater temperature, by the restriction of installation site, a lot of occasion remote controller signals are not transferred to gas heater.When adopting remote line traffic control mode, special waterproof wire remote control devices cost is high, it is necessary to sunkens 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 purpose of this utility model is to provide a solution for the hot water temperature of distant control constant temp gas water heater, namely can the constant temp gas water heater of distant control desired temperature.
To achieve these goals, this utility model provides the constant temp gas water heater of a kind of long-range control desired temperature, including:
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 first hot-water line is connected to the first hot water outlet, and other end is communicated to main hot-water line water side;One end of described second hot-water line is connected to the second hot water outlet, and other end is communicated to main hot-water line water side;The water intake end of described main hot-water line is connected to heat exchanger.
Described 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 detecting the entrance cold water flow of cold water water inlet;Described second Hall water flow sensor is arranged on the first hot-water line, for detecting outlet hot water's flow of the first hot water outlet.
Described 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 first pulse signal input terminal, the second pulse signal input terminal are respectively connecting to the first pulse signal output end, the second pulse signal output end.
First hot water outlet of described constant temp gas water heater, the second hot water outlet are connected to water mixing valve;2 water inlets of described water mixing valve are connected to the first hot water outlet of constant temp gas water heater, the second hot water outlet by the first connecting water pipe, the second connecting water pipe respectively.Or, the first hot water outlet of described constant temp gas water heater is connected to the water inlet of the first adjustment valve through the first connecting water pipe;Second hot water outlet of described constant temp gas water heater is connected to the water inlet of the second adjustment valve through the second connecting water pipe;Described first outlet regulating valve and the second outlet regulating valve connect into an outlet.
Described first Hall water flow sensor, the second Hall water flow sensor are the Hall water flow sensor of same range ability.
Described constant temp gas water heater also includes power module, hot water temperature's detection module, gas flow controls driving module, air-blower control drives module, IGNITION CONTROL and flame detection modules.
The beneficial effects of the utility model are, it is not necessary to wired or Digiplex, adopt the method controlling two-way hot water flow by water valve, it is achieved the long-range control of constant temp gas water heater hot water temperature's setting value, control result reliable and stable.
Accompanying drawing explanation
Fig. 1 is constant temp gas water heater embodiment 1 structured flowchart remotely controlling desired temperature.
Fig. 2 is constant temp gas water heater embodiment 2 structured flowchart remotely controlling desired temperature.
Fig. 3 is flow sensing circuit theory diagram.
Fig. 4 is the flow chart calculating desired temperature.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Remotely control constant temp gas water heater embodiment 1 structured flowchart of desired temperature as shown in Figure 1, wherein, constant temp gas water heater includes heat exchanger the 101, first Hall water flow sensor the 201, second Hall water flow sensor the 202, first hot water outlet the 203, second hot water outlet 204, cold water inlet 205, cold water pipe 401, main hot-water line the 402, first hot-water line the 403, second hot-water line 404;And jointly realize remotely controlling water mixing valve the 301, first connecting water pipe 405, second connecting water pipe 406 of desired temperature, heat of mixing water pipe 407, Water outlet spray head 302 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 first hot-water line 403 is connected to the first hot water outlet 203, and other end is communicated to main hot-water line 402 water side;One end of second hot-water line 404 is connected to the second hot water outlet 204, and other end is communicated to main hot-water line 402 water side;The water intake end of main hot-water line 402 is connected to heat exchanger 101.First Hall water flow sensor 201 is arranged on cold water pipe 401, or is arranged on main hot-water line 402.Second Hall water flow sensor 202 is arranged on the first hot-water line 403.
2 water inlets of water mixing valve 301 are connected to first hot water outlet the 203, second hot water outlet 204 of constant temp gas water heater respectively by first connecting water pipe the 405, second connecting water pipe 406;The outlet of water mixing valve 301 is connected to Water outlet spray head 302 by heat of mixing water pipe 407.
Remotely control constant temp gas water heater embodiment 2 structured flowchart of desired temperature as shown in Figure 2, it is different in that with embodiment 1, use the first adjustment valve 303, second to regulate valve 304 and replace water mixing valve 301, first regulates valve 303 is arranged on the first connecting water pipe 405, and second regulates valve 304 is arranged on the second connecting water pipe 406;The water side of first connecting water pipe the 405, 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 sensing circuit theory diagram is as shown in Figure 3, first Hall water flow sensor 201 is provided with the first pulse signal output end OUT1, for detecting the entrance cold water flow of cold water water inlet 205, the signal type of the first pulse signal is pulse frequency.Second Hall water flow sensor 202 is provided with the second pulse signal output end OUT2, and for detecting outlet hot water's flow of the first hot water outlet 203, the signal type of the second pulse signal is pulse frequency.First Hall water flow sensor the 201, second Hall water flow sensor 202 adopts single supply to power;In Fig. 3, single supply+VDD power to first Hall water flow sensor the 201, second Hall water flow sensor 202.
Controller 210 is provided with the first pulse signal input terminal IN1, the second pulse signal input terminal IN2;First pulse signal input terminal IN1, the second pulse signal input terminal IN2 are respectively connecting to 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-range control desired temperature is:
Regulating mixed water valve 301, or adjustment the first adjustment valve 303, second regulates valve 304 and changes outlet hot water's flow of the first hot water outlet 203 and the entrance cold water flow of cold water water inlet 205, thus changing the first pulse signal and the pulse frequency of the second pulse signal;Desired temperature according to the Ratio control constant temp gas water heater between pulse frequency and the pulse frequency of the first pulse signal of the second pulse signal.The entrance cold water flow of cold water water inlet 205 is equal to outlet hot water's 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, the method controlling desired temperature has two kinds, and first method is, increases the opposite outlet hot water flow of the first hot water outlet 203, then increases desired temperature, specifically have, whenF2 relative toFWhen the ratio of 1 increases, desired temperatureTIncrease;WhenF2 relative toFWhen the ratio of 1 reduces, desired temperatureTReduce.Described controller 210 is according to formula
Calculate the desired temperature of constant temp gas water heaterT, wherein,T1 is minimum temperature setting value,KIt it is temperature regulating range coefficient.
Second method is, increases the opposite outlet hot water flow of the first hot water outlet 203, then reduces desired temperature, specifically have, whenF2 relative toFWhen the ratio of 1 increases, desired temperatureTReduce;WhenF2 relative toFWhen the ratio of 1 reduces, desired temperatureTIncrease.Described controller 210 is according to formula
Calculate the desired temperature of constant temp gas water heaterT, wherein,T2 is maximum temperature setting value,KRemain temperature regulating range coefficient.
The water temperature control interval of water heater is usually between 30 DEG C to 80 DEG C.SelectT1=35 DEG C,K=40;Or selectT2=75 DEG C,K=40, then desired temperatureTIt is controlled in 35-75 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.First pulse signal input terminal IN1, the second pulse signal input terminal IN2 are the counting input end of microcontroller enumerator.
Described constant temp gas water heater also includes hot water temperature's detection module, gas flow controls to drive module, air-blower control to drive module, IGNITION CONTROL and flame detection modules etc..Further, described constant temp gas water heater also optionally includes the part of module in cold water temperature detection module, temperature value display module, blast detection module, buzzer module or whole module.
Described constant temp gas water heater also includes power module, is used for providing single supply+VDD and other power supplys, to controller 210, first flow sensor 201, second flow sensor 202 and other module for power supply.
Controller 210 calculates the flow process of desired temperature as shown in Figure 4, the steps include:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the entrance cold water flow of cold water water inlet 205, the first hot water outlet 203, obtains the pulse frequency of the first pulse signal, the second pulse signalF1、F2;
Step S3, calculates the desired temperature of constant temp gas water heaterT
Step S4, other process and wait;Sampling instant next time then, forwards step S2 to.
Controller 210 is except the desired temperature calculating constant temp gas water heaterTOutward, other controls of constant temp gas water heater it are also performed to.Described other process and wait, the water temperature needed including controller 210 is sampled, water temperature controls, gas flow controls driving, air-blower control driving, IGNITION CONTROL etc., and waits.Controller 210 calculates and obtains desired temperatureTAfter, adopt suitable control algolithm, control the heating power of gas heater by controlling gas flow, it is possible to control the water outlet hot water temperature of gas heater at desired temperatureTWithin neighbouring allowable error scope, it is achieved temperature incubation function.
Described sampling instant next time control then, controller 210 adopts software delay, or intervalometer timing realizes.
The Hall water flow sensor of the described first Hall water flow sensor preferred same range ability of the 201, second Hall water flow sensor 202.
No matter the core of controller 210 is preferred single-chip microcomputer, or selects other devices such as ARM, DSP, realizes traffic sampling with it, and the calculating carrying out desired temperature is the routine techniques that those skilled in the art is grasped.
The foregoing is only embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within right of the present utility model.

Claims (5)

1. the constant temp gas water heater of a long-range control desired temperature, it is characterised 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 first hot-water line is connected to the first hot water outlet, and other end is communicated to main hot-water line water side;One end of described second hot-water line is connected to the second hot water outlet, and other end is communicated to main hot-water line water side;The water intake end of described main hot-water line is connected to heat exchanger;
Described 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 detecting the entrance cold water flow of cold water water inlet;Described second Hall water flow sensor is arranged on the first hot-water line, for detecting outlet hot water's flow of the first hot water outlet;
Described 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 first pulse signal input terminal, the second pulse signal input terminal are respectively connecting to the first pulse signal output end, the second pulse signal output end.
2. the constant temp gas water heater remotely controlling desired temperature as claimed in claim 1, it is characterised in that: the first hot water outlet of described constant temp gas water heater, the second hot water outlet are connected to water mixing valve;2 water inlets of described water mixing valve are connected to the first hot water outlet of constant temp gas water heater, the second hot water outlet by the first connecting water pipe, the second connecting water pipe respectively.
3. the constant temp gas water heater remotely controlling desired temperature as claimed in claim 1, it is characterised in that: the first hot water outlet of described constant temp gas water heater is connected to the water inlet of the first adjustment valve through the first connecting water pipe;Second hot water outlet of described constant temp gas water heater is connected to the water inlet of the second adjustment valve through the second connecting water pipe;Described first outlet regulating valve and the second outlet regulating valve connect into an outlet.
4. the constant temp gas water heater remotely controlling desired temperature as claimed in claim 1, it is characterised in that: described first Hall water flow sensor, the second Hall water flow sensor are the Hall water flow sensor of same range ability.
5. the constant temp gas water heater remotely controlling desired temperature as claimed in claim 1, it is characterised in that: described constant temp gas water heater also includes power module, hot water temperature's detection module, gas flow controls driving module, air-blower control drives module, IGNITION CONTROL and flame detection modules.
CN201620000680.1U 2016-01-04 2016-01-04 Constant temperature gas heater of remote control temperature setting value Expired - Fee Related CN205383792U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620000680.1U CN205383792U (en) 2016-01-04 2016-01-04 Constant temperature gas heater of remote control temperature setting value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620000680.1U CN205383792U (en) 2016-01-04 2016-01-04 Constant temperature gas heater of remote control temperature setting value

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111174837A (en) * 2020-02-26 2020-05-19 东莞立德电子有限公司 Water level detection and temperature sensing module of instant heating water heater
CN112212514A (en) * 2020-09-09 2021-01-12 华帝股份有限公司 Temperature regulation and control system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111174837A (en) * 2020-02-26 2020-05-19 东莞立德电子有限公司 Water level detection and temperature sensing module of instant heating water heater
CN112212514A (en) * 2020-09-09 2021-01-12 华帝股份有限公司 Temperature regulation and control system and control method thereof

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160713

Termination date: 20170104