CN205316652U - Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating - Google Patents
Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating Download PDFInfo
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- CN205316652U CN205316652U CN201620000659.1U CN201620000659U CN205316652U CN 205316652 U CN205316652 U CN 205316652U CN 201620000659 U CN201620000659 U CN 201620000659U CN 205316652 U CN205316652 U CN 205316652U
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Abstract
The utility model discloses a remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating, constant temperature gas heater is including a cold water water inlet and two hot water delivery ports, adopts the export hot water temperature by the worth relatively method remotely adjusting constant temperature gas heater of two way hot water flow of water valve controller, export hot water flow when first hot water delivery port increases relatively, when the export hot water flow of second hot water delivery port reduces relatively, improve export hot water temperature, otherwise, reduce export hot water temperature. Constant temperature gas heater's temperature control adopts PID combination entry cold water temperature feedforward compensation's algorithm, has reduced the interference of entry cold water temperature variation to constant temperature gas heater's export hot water temperature, has improved control accuracy. The method need not wiredly or the wireless remote control ware, can realize constant temperature gas heater hot water temperature's remotely adjusting, and control results is reliable and stable.
Description
Technical field
This utility model relates to a kind of constant temp gas water heater control technology, especially a kind of remote adjustment temperature and the constant temp gas water heater controlled with cold water temperature compensation.
Background technology
If constant temp gas water heater temperature sets improper, very big inconvenience is brought to people, particularly when shower, the constant temp gas water heater temperature without wireless remote control or remote line traffic control cannot regulate, and is easily caused again constant temp gas water heater with water mixing valve interpolation cold water and stops working. Adopting wireless remote control regulating thermostatic gas and hot water actuator temperature, by the restriction of installation site, a lot of occasion remote controller signals are not transferred to constant temp gas water 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 regulate the constant temp gas water heater of temperature at a distance.
To achieve these goals, this utility model provides a kind of remote adjustment temperature and the constant temp gas water heater controlled with cold water temperature compensation, including:
Described constant temp gas water heater includes controller, first flow sensor, second flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet, heat exchanger, cold water temperature sensor, hot water temperature sensor, gas flow control driving module.
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 flow sensor is arranged on the second hot water outlet, for detecting outlet hot water's flow of the second hot water outlet; After described cold water temperature sensor is arranged on cold water inlet, for detecting the entrance cold water temperature of cold water inlet;Described hot water temperature sensor installs after the heat exchanger, for detecting outlet hot water's temperature of constant temp gas water heater.
Electrically connect between described first flow sensor and controller, for outlet hot water's flow signal of the first hot water outlet is transferred to controller; Electrically connect between described second flow sensor and controller, for outlet hot water's flow signal of the second hot water outlet is transferred to controller; Electrically connect between described cold water temperature sensor and controller, for the entrance cold water temperature signal of cold water inlet is transferred to controller; Electrically connect between described hot water temperature sensor and controller, for outlet hot water's temperature signal of constant temp gas water heater is transferred to controller; Described gas flow controls to electrically connect between driving module and controller, is controlled the aperture of driving module control break burnt gas valve by gas flow for controller.
First hot water outlet of described constant temp gas water heater, the second hot water outlet are connected to 2 water inlets of water mixing valve respectively by water pipe. Or, the first hot water outlet of described constant temp gas water heater, the second hot water outlet are connected to the water inlet of the first adjustment valve, the second adjustment valve respectively by water pipe; Described first adjustment valve, the second outlet connection regulating valve are a water side.
Described first flow sensor, second flow sensor are the water flow sensor of same type, same range ability.
Described constant temp gas water heater also includes water pipe, and power module, air-blower control drive module, IGNITION CONTROL and flame detection modules.
The beneficial effects of the utility model are, it is not necessary to wired or Digiplex, adopt and control two-way hot water flow change desired temperature by water valve, it is achieved the remote adjustment of constant temp gas water heater hot water temperature; In conjunction with the method for entrance cold water temperature compensation A.T.C, reduce the entrance cold water temperature change interference to outlet hot water's temperature of constant temp gas water heater, alleviate the control burden of temperature controller, improve control accuracy.
Accompanying drawing explanation
Fig. 1 is remote adjustment temperature and system embodiment 1 structured flowchart of the constant temp gas water heater with cold water temperature compensation control.
Fig. 2 is remote adjustment temperature and system embodiment 2 structured flowchart of the constant temp gas water heater with cold water temperature compensation control.
Fig. 3 is constant temp gas water heater detection control circuit theory diagram.
Fig. 4 is the control system principle diagram of constant temp gas water heater.
Fig. 5 is temperature regulable control flow chart.
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.
System embodiment 1 structured flowchart of remote adjustment temperature and the constant temp gas water heater with cold water temperature compensation control is as shown in Figure 1, wherein, constant temp gas water heater includes heat exchanger 101, first flow sensor 201, second flow sensor the 202, first hot water outlet the 203, second hot water outlet 204, cold water inlet 205, cold water temperature sensor 206, hot water temperature sensor 207, cold water pipe 401, main hot-water line the 402, first hot-water line the 403, second hot-water line 404; And water mixing valve the 301, first connecting water pipe 405, second connecting water pipe 406 of remote adjustment temperature, heat of mixing water pipe 407, Water outlet spray head 302 is jointly realized 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.
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 flow sensor 202 is arranged on the second hot water outlet 204, for detecting outlet hot water's flow of the second hot water outlet; After described cold water temperature sensor 206 is arranged on cold water inlet 205; After described hot water temperature sensor 207 is arranged on heat exchanger 101. Specifically, first flow sensor 201 is arranged on the first hot-water line 403, second flow sensor 202 is arranged on the second hot-water line 404, and cold water temperature sensor 206 is arranged on cold water pipe 401, and hot water temperature sensor 207 is arranged on main hot-water line 402.
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. When water mixing valve 301 is cold water, hot water water mixing valve, the first connecting water pipe 405 is connected to the hot water water inlet of water mixing valve 301, and the second connecting water pipe 406 is connected to the cold water water inlet of water mixing valve 301.
System embodiment 2 structured flowchart of remote adjustment temperature and the constant temp gas water heater with cold water temperature compensation control, as in figure 2 it is shown, be different in that with embodiment 1, use the first adjustment valve 303, second to regulate valve 304 and replaces water mixing valve 301; First water inlet regulating valve 303 is connected to the first hot water outlet 203 of constant temp gas water heater through the first connecting water pipe 405, and the second water inlet regulating valve 304 is connected to the second hot water outlet 204 of constant temp gas water heater through the second connecting water pipe 406. The first outlet connection regulating valve the 303, second adjustment valve 304 is that a water side is connected with heat of mixing water pipe 407.
Described constant temp gas water heater also includes controller 210, gas flow controls to drive module 211, and constant temp gas water heater detection control circuit theory diagram is as shown in Figure 3. First flow sensor 201 is provided with first flow signal output part OUT1, and for detecting outlet hot water's 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. Second flow sensor 202 is provided with second flow signal output part OUT2, and for detecting outlet hot water's flow of the second hot water outlet 204, second flow signal is the signal of telecommunication, and signal type is pulse frequency, or voltage, or is electric current. Cold water temperature sensor 206 is provided with cold water temperature signal output part OUT3, and for detecting the entrance cold water temperature of cold water inlet 205, cold water temperature signal is the signal of telecommunication, and signal type is digital signal, or voltage, or is electric current. Hot water temperature sensor 207 is provided with hot water temperature signal output part OUT5, and for detecting outlet hot water's temperature of constant temp gas water heater, hot water temperature's signal is the signal of telecommunication, and signal type is digital signal, or voltage, or is electric current.
Gas flow controls to drive module 211 to be provided with gas valve driving signal input IN4, and for driving the aperture controlling burnt gas valve, combustion gas valve drive signal is the signal of telecommunication, and signal type is pwm pulse, or voltage, or is electric current.
Controller 210 is provided with first flow signal input part IN1, second flow signal input part IN2, cold water temperature signal input part IN3, hot water temperature signal input part IN5, gas valve driving signal output part OUT4; First flow signal input part IN1, second flow signal input part IN2, cold water temperature signal input part IN3, hot water temperature signal input part IN5 are respectively connecting to first flow signal output part OUT1, second flow signal output part OUT2, cold water temperature signal output part OUT3, hot water temperature signal output part OUT5, and gas valve drives signal output part OUT4 to be connected to gas valve driving signal input IN4.
As shown in Figure 4, control principle is as follows for the control system principle diagram of described constant temp gas water heater:
Desired temperatureT0 is controlled by the relative size of outlet hot water's flow of first hot water outlet the 203, second hot water outlet 204. If outlet hot water's flow of first hot water outlet the 203, second hot water outlet 204 is respectivelyQ1、Q2, then whenQ1 increase relatively,Q2 relatively reduced time, desired temperatureT0 increases; WhenQ1 relatively reduced,Q2 when relatively increasing, desired temperatureT0 reduces. Desired temperatureT0 according to formula
It is calculated, wherein,T1 is central temperature setting value,KIt it is temperature regulating range coefficient. The water temperature control interval of water heater is usually between 30 DEG C to 80 DEG C. SelectT1=55 DEG C,K=20, desired temperatureT0 is controlled in 35-75 DEG C. Desired temperatureT0 increases, then outlet hot water's temperature of constant temp gas water heater improves; Desired temperatureT0 reduces, then outlet hot water's temperature of constant temp gas water heater reduces.
Temperature controller in controller 210 is according to desired temperatureT0 and hot water temperatureTBetween deviation valueECalculate the aperture controlling value obtaining burnt gas valveR1, the control algolithm of temperature controller adopts pid algorithm.
The compensating controller in the controller 210 entrance cold water temperature according to cold water inlet 205T2, calculate the aperture offset obtaining burnt gas valveR2, the aperture of burnt gas valve is carried out feedforward compensation. Compensating the principle controlled is: when the entrance cold water temperature of cold water inlet 205 reduces, increase the aperture offset of burnt gas valveR2; When the entrance cold water temperature of cold water inlet 205 increases, reduce the aperture offset of burnt gas valveR2. Compensate the interference controlling to reduce the change of entrance cold water temperature to outlet hot water's temperature of constant temp gas water heater, alleviate the control burden of temperature controller, improve control accuracy.
The controller 210 aperture controlling value according to burnt gas valveR1 and the aperture offset of burnt gas valveRThe aperture of burnt gas valve is controlled by 2 sums, thus changing the hot exchange power of heat exchanger, maintains outlet hot water's temperature stabilization of temperature gas heater.
Described flowQ1、QThe unit of 2 is L/min; Desired temperatureT0, central temperature setting valueT1, hot water temperatureT, entrance cold water temperatureTThe unit of 2 is 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, second flow signal is pulse frequency, first flow signal input part IN1, second flow signal input part IN2 are the counting input end of microcontroller enumerator.
When the cold water temperature signal of cold water temperature sensor 206 output and hot water temperature's signal of hot water temperature sensor 207 output are digital signal, cold water temperature signal input part IN3, hot water temperature signal input part IN5 are the corresponding interface that microcontroller mates with cold water temperature sensor 206, hot water temperature sensor 207 output interface.
Some or all of for analogue signal when in first flow signal, second flow signal, cold water temperature signal, hot water temperature's signal, it is voltage, or during electric current, in first flow signal input part IN1, second flow signal input part IN2, cold water temperature signal input part IN3, hot water temperature signal input part IN5, corresponding port is the input end of analog signal of A/D converter. Described A/D converter reads data by microprocessor controls and by microcontroller, it is preferable that described A/D converter includes at microcontroller.
Described gas flow controls to drive module 211 to be made up of gas ratio valve and associated driver circuitry, the preferred pwm pulse of combustion gas valve drive signal.
Described constant temp gas water heater also includes air-blower control and drives module, IGNITION CONTROL and flame detection modules etc. Further, described constant temp gas water heater also optionally includes the part of module in temperature value display module, blast detection module, buzzer module or whole module.
Described constant temp gas water heater also includes power module, for controlling to drive module 211 and other module for power supply to controller 210, first flow sensor 201, second flow sensor 202, cold water temperature sensor 206, hot water temperature sensor 207, gas flow.
Controller 210 carries out the flow process of temperature regulable control as it is shown in figure 5, the step of temperature control method is:
Step S1, initializes;
Step S2, the outlet hot water's flow to first hot water outlet the 203, second hot water outlet 204Q1、Q2 sample; Entrance cold water temperature to cold water inlet 205T2 and outlet hot water's temperature of constant temp gas water heaterTSample;
Step S3, calculates desired temperatureT0;
Step S4, calculates the aperture controlling value of burnt gas valveR1; Calculate the aperture offset of burnt gas valveR2;
Step S5, according toR1、R2 apertures changing burnt gas valve, change heat exchanger power, control outlet hot water's temperature of constant temp gas water heaterT;
Step S6, other process and wait; Sampling instant next time then, forwards step S2 to.
Controller 210 is except the outlet hot water's temperature controlling constant temp gas water heaterTOutward, it is also performed to other control. Described other process and wait, the air-blower control driving that needed including controller 210, IGNITION CONTROL etc., and wait.
Described sampling instant next time control then, controller 210 adopts software delay, or intervalometer timing realizes.
Described first flow sensor 201, the preferred same type of second flow sensor 202, same range ability water flow sensor. Further, described first flow sensor 201, second flow sensor 202 preferably employ low cost, output signal type be the Hall water flow sensor of pulse frequency.
The described preferred integrated sensor with digital signal output interface of hot water temperature sensor 207.
No matter the core of controller 210 is preferred single-chip microcomputer, or selects other devices such as ARM, DSP, realizes flow, temperature sampling with it, and carrying out temperature regulable control 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. a remote adjustment temperature and the constant temp gas water heater with cold water temperature compensation control, it is characterised in that:
Described constant temp gas water heater includes controller, first flow sensor, second flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet, heat exchanger, cold water temperature sensor, hot water temperature sensor, gas flow control driving module;
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 flow sensor is arranged on the second hot water outlet, for detecting outlet hot water's flow of the second hot water outlet; After described cold water temperature sensor is arranged on cold water inlet, for detecting the entrance cold water temperature of cold water inlet; Described hot water temperature sensor installs after the heat exchanger, for detecting outlet hot water's temperature of constant temp gas water heater;
Electrically connect between described first flow sensor and controller, for outlet hot water's flow signal of the first hot water outlet is transferred to controller; Electrically connect between described second flow sensor and controller, for outlet hot water's flow signal of the second hot water outlet is transferred to controller; Electrically connect between described cold water temperature sensor and controller, for the entrance cold water temperature signal of cold water inlet is transferred to controller; Electrically connect between described hot water temperature sensor and controller, for outlet hot water's temperature signal of constant temp gas water heater is transferred to controller; Described gas flow controls to electrically connect between driving module and controller, is controlled the aperture of driving module control break burnt gas valve by gas flow for controller.
2. remote adjustment temperature as claimed in claim 1 and the constant temp gas water heater with cold water temperature compensation control, 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 2 water inlets of water mixing valve respectively by water pipe.
3. remote adjustment temperature as claimed in claim 1 and the constant temp gas water heater with cold water temperature compensation control, 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 the water inlet of the first adjustment valve, the second adjustment valve respectively by water pipe; Described first adjustment valve, the second outlet connection regulating valve are a water side.
4. remote adjustment temperature as claimed in claim 1 and the constant temp gas water heater with cold water temperature compensation control, it is characterised in that: described first flow sensor, second flow sensor are the water flow sensor of same type, same range ability.
5. remote adjustment temperature as claimed in claim 1 and the constant temp gas water heater with cold water temperature compensation control, it is characterized in that: described constant temp gas water heater also includes water pipe, and power module, air-blower control drive module, IGNITION CONTROL and flame detection modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620000659.1U CN205316652U (en) | 2016-01-04 | 2016-01-04 | Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620000659.1U CN205316652U (en) | 2016-01-04 | 2016-01-04 | Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating |
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| CN205316652U true CN205316652U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620000659.1U Expired - Fee Related CN205316652U (en) | 2016-01-04 | 2016-01-04 | Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210801A (en) * | 2017-06-30 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Remote controler and water-heater system |
-
2016
- 2016-01-04 CN CN201620000659.1U patent/CN205316652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210801A (en) * | 2017-06-30 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Remote controler and water-heater system |
| CN109210801B (en) * | 2017-06-30 | 2024-02-23 | 芜湖美的厨卫电器制造有限公司 | Remote controller and water heater system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160615 Termination date: 20170104 |