CN203375724U - Water temperature control device for water outlet of gas water heater - Google Patents
Water temperature control device for water outlet of gas water heater Download PDFInfo
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- CN203375724U CN203375724U CN201320354176.8U CN201320354176U CN203375724U CN 203375724 U CN203375724 U CN 203375724U CN 201320354176 U CN201320354176 U CN 201320354176U CN 203375724 U CN203375724 U CN 203375724U
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Abstract
The utility model discloses a water temperature control device for a water outlet of a gas water heater. According to the water temperature control device, a temperature sensor is arranged on a water outlet pipe to measure temperatures of water flows in the water outlet pipe, and a controller connected with the temperature sensor in a signal mode controls a water proportional valve of a by-pass pipe to circulate or adjust water flows according to a difference between measured temperature values and a preset temperature value so that temperatures of water flows in the water outlet pipe can be controlled; or, the controller connected with the temperature sensor in a signal mode controls a water magnetic valve of the by-pass pipe to circulate water flows according to the difference between measured temperature values and the preset temperature value and controls a gas proportional valve arranged on a gas inlet pipe to adjust gas flows, so that temperatures of water flows in the water outlet pipe can be controlled, constant outlet water temperatures are achieved when inlet water flows of the gas water heater can not reach rated water flows or temperatures of inlet cold water are higher, and safety problems caused by abnormal outlet water temperatures are effectively solved.
Description
Technical field
The utility model relates to the gas heater field, particularly a kind of gas heater delivery port water temperature control device.
Background technology
Energy-conservation and the rapid hot water output of gas heater more and more obtains liking of users.Yet, in summer, because the reason of weather temperature causes the inflow temperature of gas heater generally higher, perhaps, because lack of water causes the water feeding pressure of gas heater less than normal, cause the temperature rise of gas heater very high, and then cause gas heater delivery port water temperature extremely higher, the delivery port water temperature always exceeds the several years or higher than design temperature, even carry out also still being difficult to avoid the abnormal higher situation of gas heater delivery port water temperature after gas flow adjustment or flow of inlet water adjustment with the thermostatic control module, the security of delivery port water temperature can not get effective guarantee.
The utility model content
Main purpose of the present utility model is for a kind of gas heater delivery port water temperature control device is provided, and effectively to solve, do not reach specified discharge or advances cold water temperature when higher, the problem that leaving water temperature can not be constant and higher when the gas heater flow of inlet water.
The utility model proposes a kind of gas heater delivery port water temperature control device, this device comprises heat exchanger, the outlet pipeline be communicated with heat exchanger and inlet pipeline, bypass line, and delivery port water temperature controling circuit, wherein: described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and the water proportioning valve of controlling for bypass line being carried out to current break-make and current size, and the controller be connected with this temperature sensor and water proportioning valve signal, described controller is controlled the water proportioning valve according to the temperature gap between the measured value of this temperature sensor and default temperature value and is carried out the adjusting of current break-make and current size.
Preferably, described heat exchanger is equipped with the thermostatic control module.
Preferably, described controller is Programmable Logic Controller, for the control parameter of setup control water proportioning valve.
Preferably, described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline.
Preferably, this device also comprises: be assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, and/or be assemblied on inlet pipeline or outlet pipeline and for measuring the second quantity sensor of inlet pipeline or outlet pipeline current value, described controller is connected with this first flow sensor and/or the second flow sensor signal, and described controller carries out the control of water proportioning valve when the flow value of first flow sensor and/or the measurement of second quantity sensor changes.
The utility model also proposes a kind of gas heater delivery port water temperature control device, this device comprises heat exchanger, the outlet pipeline be communicated with heat exchanger and inlet pipeline, bypass line, and the delivery port water temperature controling circuit, wherein: described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline, described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and for bypass line being carried out to the water solenoid valve of current break-make control, be assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, be assemblied on the gas inlet pipeline and the gas ratio valve of controlling for carrying out the gas flow size, and with this temperature sensor, the first flow sensor, the controller that gas ratio valve and water solenoid valve signal connect, described controller carries out the control of water solenoid valve and gas ratio valve when the flow value of first flow sensor measurement changes.
Preferably, described controller is Programmable Logic Controller, for the control parameter of setup control gas ratio valve.
The utility model also proposes a kind of gas heater delivery port water temperature control device, this device comprises heat exchanger, the outlet pipeline be communicated with heat exchanger and inlet pipeline, bypass line, and the delivery port water temperature controling circuit, wherein: described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline, described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and for bypass line being carried out to the water solenoid valve of current break-make control, be assemblied on inlet pipeline and for measuring the second quantity sensor of inlet pipeline current value, be assemblied on the gas inlet pipeline and the gas ratio valve of controlling for carrying out the gas flow size, and with this temperature sensor, the second quantity sensor, the controller that gas ratio valve and water solenoid valve signal connect, the flow value that described controller is measured at the second quantity sensor carries out the control of water solenoid valve and gas ratio valve while changing.
Preferably, described controller is Programmable Logic Controller, for the control parameter of setup control gas ratio valve.
Preferably, described delivery port water temperature controling circuit also comprises and is assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, described controller also is connected with this first flow sensor signal, and described controller carries out the control of water solenoid valve and gas ratio valve when the flow value of first flow sensor and the measurement of second quantity sensor changes.
Gas heater delivery port water temperature control device of the present utility model, temperature by current in set temperature sensor measurement outlet pipeline on outlet pipeline, the controller be connected with this temperature sensor signal carries out the adjusting of current break-make or current size according to the temperature value of measuring and the water proportioning valve of the difference control bypass line of default temperature value, and then the temperature of current in the control outlet pipeline, perhaps, the controller be connected with this temperature sensor signal carries out the current break-make according to the temperature value of measuring and the water solenoid valve of the difference control bypass line of default temperature value, and control the gas ratio valve be arranged on the gas inlet pipeline and carry out the adjusting of gas flow size, and then the temperature of current in the control outlet pipeline, make and do not reach specified discharge or advance cold water temperature when higher when the gas heater flow of inlet water, leaving water temperature is realized constant, effectively avoided the safety issue extremely caused because of leaving water temperature.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model gas heater delivery port water temperature control device the first embodiment;
Fig. 2 is the structural representation of the utility model gas heater delivery port water temperature control device the second embodiment;
Fig. 3 is the structural representation of the utility model gas heater delivery port water temperature control device the 3rd embodiment;
Fig. 4 is the structural representation of the utility model gas heater delivery port water temperature control device the 4th embodiment.
The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Figure 1, be the structural representation of the utility model gas heater delivery port water temperature control device the first embodiment.This gas heater delivery port water temperature control device comprises heat exchanger 6, outlet pipeline 5, inlet pipeline 3, bypass line 4, and delivery port water temperature controling circuit.Wherein, described heat exchanger 6 comprises heat exchanging pipe 60, and comprise the combustion gas heating module 61 of gas inlet pipeline 62 and waste gas outlet pipe 63, described combustion gas heating module 61 is for being heated processing to described heat exchanging pipe 60, and described heat exchanging pipe 60 carries out the heat exchange processing for the current to flowing through wherein; Described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline 5 and for measuring the temperature sensor 2 of water lines 5 water flow temperatures, be assemblied on bypass line 4 and the water proportioning valve 7 of controlling for bypass line 4 being carried out to current break-make and current size, and the controller 1 be connected with this temperature sensor 2 and water proportioning valve 7 signals.
In this first embodiment, this temperature sensor 2 is measured the temperature of current in water lines 5, and the measured value signal of telecommunication is issued to controller 1; Controller 1 calculates the measured temperature of this temperature sensor 2 and the temperature gap of default temperature value, the temperature gap of calculating and default difference threshold values are compared, when the temperature gap calculated is greater than default difference threshold values, and send current control signal feedwater proportioning valve 7 according to the temperature gap calculated, open or close to control water proportioning valve 7, and control the current size that water proportioning valve 7 is regulated the bypass line 4 of flowing through.The gas heater delivery port water temperature control device that this first embodiment provides can effectively solve: because the flow of inlet water of inlet pipeline 3 is less than normal or inflow temperature is higher, and the problem of the water temperature over-high of the outlet pipeline 5 caused.
Further, in order to realize the controllability of described delivery port water temperature controling circuit, and coolant controlled accuracy and elasticity, described controller 1 is preferably Programmable Logic Controller, for setting the control parameter of water proportioning valve 7, for example, the mapping relations parameter of the current size of temperature gap and bypass line 4 is (by this mapping relations parameter, described controller 1 can be determined according to the temperature gap calculated the current size of corresponding bypass line 4, and then according to the corresponding water proportioning valve 7 of regulating of the current size of definite bypass line 4), perhaps each time water proportioning valve 7 is carried out to the secured adjusted amplitude of current adjusting (by this secured adjusted amplitude, described controller 1 can be regulated water proportioning valve 7 and regulate fixing amplitude with the current to bypass line 4).
Further, it is emphasized that, described heat exchanger 6 can also comprise thermostatic control module (not shown), for the flow of inlet water by regulating inlet pipeline 3 and/or the gas inlet flow of regulating gas air inlet pipeline 62, carries out the adjusting of water flow temperature in outlet pipeline 5.In order to prevent described delivery port water temperature controling circuit and described thermostatic control module conflicting on function, described controller 1 is preferably Programmable Logic Controller, for example, for (presetting the temperature anomaly patient time, 5 seconds), described controller 1 is greater than default difference threshold values (this situation explanation temperature is in unusual condition) at the temperature gap calculated, and the temperature anomaly duration is while surpassing the temperature anomaly patient time of setting, send current control signal feedwater proportioning valve 7 according to the temperature gap calculated, open or close to control water proportioning valve 7, and control the current size that water proportioning valve 7 is regulated the bypass line 4 of flowing through.
Further, in this first embodiment, this gas heater delivery port water temperature control device also comprises and being assemblied on gas inlet pipeline 62 and for the first flow sensor of measuring gas inlet pipeline 62 gas-flow values (for example, flow sensor 8 shown in Fig. 2), and/or be assemblied on inlet pipeline 3 or outlet pipeline 5 and (take that this second quantity sensor is arranged in inlet pipeline 3 is example for the second quantity sensor of measuring inlet pipeline 3 or outlet pipeline 5 current values, the flow sensor shown in Fig. 39 for example), described controller 1 is connected with this first flow sensor and/or the second flow sensor signal, described controller carries out the control of water proportioning valve when the flow value of first flow sensor and/or the measurement of second quantity sensor changes.
Shown in Figure 2, be the structural representation of the utility model gas heater delivery port water temperature control device the second embodiment.This gas heater delivery port water temperature control device comprises heat exchanger 6, outlet pipeline 5, inlet pipeline 3, bypass line 4, and delivery port water temperature controling circuit.Wherein, described heat exchanger 6 comprises heat exchanging pipe 60, and comprises the combustion gas heating module 61 of gas inlet pipeline 62 and waste gas outlet pipe 63, described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline 5 and for measuring the temperature sensor 2 of water lines 5 water flow temperatures, be assemblied on bypass line 4 and can be also other any suitable pipeline valves for the water solenoid valve 10(that bypass line 4 carried out to the control of current break-make, for example, the water proportioning valve), be assemblied on gas inlet pipeline 62 and for measuring the flow sensor 8 of gas inlet pipeline 62 gas-flow values, be assemblied on gas inlet pipeline 62 and the gas ratio valve (not shown) of controlling for carrying out the gas flow size, and with this temperature sensor 2, flow sensor 8, the controller 1 that gas ratio valve and water solenoid valve 10 signals connect.
Further, it is emphasized that described heat exchanger 6 also comprises thermostatic control module (not shown) in this second embodiment, for by the gas inlet flow of regulating gas air inlet pipeline 62, carry out the adjusting of water flow temperature in outlet pipeline 5.
In this second embodiment, when the gas inlet flow that controller 1 is measured at flow sensor 8 changes, receive the first measured value signal of telecommunication that this temperature sensor 2 sends; Controller 1 calculates the measured temperature of this temperature sensor 2 and the temperature gap of default temperature value, the temperature gap of calculating and default difference threshold values are compared, when the temperature gap calculated is greater than default difference threshold values, send current control signal water-suppling electromagnetic valve 10 according to the temperature gap calculated, to control water solenoid valve 10, open the current inlet and outlet pipe 5 of output bypass line 4 and then generate mixed cold water; Controller 1 receives the second measured value signal of telecommunication of the described mixed cold water of these temperature sensor 2 transmissions, the measured temperature that controller 1 is corresponding by the second measured value signal of telecommunication and default temperature value compare, when the measured temperature of this temperature sensor 2 is less than default temperature value, calculate the temperature gap of measured temperature that the second measured value signal of telecommunication is corresponding and default temperature value, send the gas flow control signal to gas ratio valve according to the temperature gap calculated, to control the gas flow size in gas ratio valve regulating gas air inlet pipeline 62.The gas heater delivery port water temperature control device that this second embodiment provides can effectively solve: because the flow of inlet water of the inlet pipeline 3 of the gas heater delivery port water temperature control device with the thermostatic control module is less than normal or inflow temperature is higher, the water temperature over-high of the outlet pipeline 5 caused, and through this thermostatic control module carry out gas flow in gas inlet pipeline 62 regulate after the water temperature too high problem still of outlet pipeline 5.
Further, in order to realize the controllability of described delivery port water temperature controling circuit, and coolant controlled accuracy and elasticity, described controller 1 is preferably Programmable Logic Controller, for setting the control parameter of gas ratio valve, for example, the mapping relations parameter of the gas flow size in temperature gap and gas inlet pipeline 62 is (by this mapping relations parameter, described controller 1 can be determined the gas flow size in corresponding gas inlet pipeline 62 according to the temperature gap calculated, and then according to the corresponding regulating gas proportioning valve of the size of the gas flow in definite gas inlet pipeline 62), perhaps each time gas ratio valve is carried out to the secured adjusted amplitude of gas flow adjusting (by this secured adjusted amplitude, described controller 1 can the regulating gas proportioning valve be regulated fixing amplitude with the gas flow in gas inlet pipeline 62).
Shown in Figure 3, be the structural representation of the utility model gas heater delivery port water temperature control device the 3rd embodiment.This gas heater delivery port water temperature control device comprises heat exchanger 6, outlet pipeline 5, inlet pipeline 3, bypass line 4, and delivery port water temperature controling circuit.Wherein, described heat exchanger 6 comprises heat exchanging pipe 60, and comprises the combustion gas heating module 61 of gas inlet pipeline 62 and waste gas outlet pipe 63, described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline 5 and for measuring the temperature sensor 2 of water lines 5 water flow temperatures, be assemblied on bypass line 4 and can be also other any suitable pipeline valves for the water solenoid valve 10(that bypass line 4 carried out to the control of current break-make, for example, the water proportioning valve), be assemblied on inlet pipeline 3 and for measuring the flow sensor 9 of inlet pipeline 3 current values, be assemblied on gas inlet pipeline 62 and the gas ratio valve (not shown) of controlling for carrying out the gas flow size, and with this temperature sensor 2, flow sensor 9, the controller 1 that gas ratio valve and water solenoid valve 10 signals connect.
Further, it is emphasized that described heat exchanger 6 also comprises thermostatic control module (not shown) in this 3rd embodiment, for by regulating the discharge of inlet pipeline 3, carry out the adjusting of water flow temperature in outlet pipeline 5.
In this 3rd embodiment, when the discharge that controller 1 is measured at flow sensor 9 changes, receive the first measured value signal of telecommunication that this temperature sensor 2 sends; Controller 1 calculates the measured temperature of this temperature sensor 2 and the temperature gap of default temperature value, the temperature gap of calculating and default difference threshold values are compared, when the temperature gap calculated is greater than default difference threshold values, send current control signal water-suppling electromagnetic valve 10 according to the temperature gap calculated, to control water solenoid valve 10, open the current inlet and outlet pipe 5 of output bypass line 4 and then generate mixed cold water; Controller 1 receives the second measured value signal of telecommunication of the described mixed cold water of these temperature sensor 2 transmissions, the measured temperature that controller 1 is corresponding by the second measured value signal of telecommunication and default temperature value compare, when the measured temperature of this temperature sensor 2 is less than default temperature value, calculate the temperature gap of measured temperature that the second measured value signal of telecommunication is corresponding and default temperature value, send the gas flow control signal to gas ratio valve according to the temperature gap calculated, to control the gas flow size in gas ratio valve regulating gas air inlet pipeline 62.The gas heater delivery port water temperature control device that this 3rd embodiment provides can effectively solve: because the flow of inlet water of the inlet pipeline 3 of the gas heater delivery port water temperature control device with the thermostatic control module is less than normal or inflow temperature is higher, the water temperature over-high of the outlet pipeline 5 caused, and through this thermostatic control module carry out discharge in inlet pipeline 3 regulate after the water temperature too high problem still of outlet pipeline 5.
Further, in order to realize the controllability of described delivery port water temperature controling circuit, and coolant controlled accuracy and elasticity, described controller 1 is preferably Programmable Logic Controller, for setting the control parameter of gas ratio valve, for example, the mapping relations parameter of the gas flow size in temperature gap and gas inlet pipeline 62 is (by this mapping relations parameter, described controller 1 can be determined the gas flow size in corresponding gas inlet pipeline 62 according to the temperature gap calculated, and then according to the corresponding regulating gas proportioning valve of the size of the gas flow in definite gas inlet pipeline 62), perhaps each time gas ratio valve is carried out to the secured adjusted amplitude of gas flow adjusting (by this secured adjusted amplitude, described controller 1 can the regulating gas proportioning valve be regulated fixing amplitude with the gas flow in gas inlet pipeline 62).
Shown in Figure 4, be the structural representation of the utility model gas heater delivery port water temperature control device the 4th embodiment.This gas heater delivery port water temperature control device comprises heat exchanger 6, outlet pipeline 5, inlet pipeline 3, bypass line 4, and delivery port water temperature controling circuit.Wherein, described heat exchanger 6 comprises heat exchanging pipe 60, and comprises the combustion gas heating module 61 of gas inlet pipeline 62 and waste gas outlet pipe 63, described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline 5 and for measuring the temperature sensor 2 of water lines 5 water flow temperatures, be assemblied on bypass line 4 and can be also other any suitable pipeline valves for the water solenoid valve 10(that bypass line 4 carried out to the control of current break-make, for example, the water proportioning valve), be assemblied on gas inlet pipeline 62 and for measuring the flow sensor 8 of gas inlet pipeline 62 gas-flow values, be assemblied on inlet pipeline 3 and for measuring the flow sensor 9 of inlet pipeline 3 current values, be assemblied on gas inlet pipeline 62 and the gas ratio valve (not shown) of controlling for carrying out the gas flow size, and with this temperature sensor 2, flow sensor 8, flow sensor 9, the controller 1 that gas ratio valve and water solenoid valve 10 signals connect.
Further, it is emphasized that described heat exchanger 6 also comprises thermostatic control module (not shown) in this 4th embodiment, for the gas inlet flow by regulating gas air inlet pipeline 62 and the discharge of inlet pipeline 3, carry out the adjusting of water flow temperature in outlet pipeline 5.
In this 4th embodiment, when the gas inlet flow that the discharge that controller 1 is measured at flow sensor 9 changes and flow sensor 8 is measured changes, receive the first measured value signal of telecommunication that this temperature sensor 2 sends; Controller 1 calculates the measured temperature of this temperature sensor 2 and the temperature gap of default temperature value, the temperature gap of calculating and default difference threshold values are compared, when the temperature gap calculated is greater than default difference threshold values, send current control signal water-suppling electromagnetic valve 10 according to the temperature gap calculated, to control water solenoid valve 10, open the current inlet and outlet pipe 5 of output bypass line 4 and then generate mixed cold water; Controller 1 receives the second measured value signal of telecommunication of the described mixed cold water of these temperature sensor 2 transmissions, the measured temperature that controller 1 is corresponding by the second measured value signal of telecommunication and default temperature value compare, when the measured temperature of this temperature sensor 2 is less than default temperature value, calculate the temperature gap of measured temperature that the second measured value signal of telecommunication is corresponding and default temperature value, send the gas flow control signal to gas ratio valve according to the temperature gap calculated, to control the gas flow size in gas ratio valve regulating gas air inlet pipeline 62.The gas heater delivery port water temperature control device that this 4th embodiment provides can effectively solve: because the flow of inlet water of the inlet pipeline 3 of the gas heater delivery port water temperature control device with the thermostatic control module is less than normal or inflow temperature is higher, the water temperature over-high of the outlet pipeline 5 caused, and carry out in inlet pipeline 3 discharge through this thermostatic control module and regulate and carry out in gas inlet pipeline 62 after gas flow is regulated, the water temperature of outlet pipeline 5 is too high problem still.
Further, in order to realize the controllability of described delivery port water temperature controling circuit, and coolant controlled accuracy and elasticity, described controller 1 is preferably Programmable Logic Controller, for setting the control parameter of gas ratio valve, for example, the mapping relations parameter of the gas flow size in temperature gap and gas inlet pipeline 62 is (by this mapping relations parameter, described controller 1 can be determined the gas flow size in corresponding gas inlet pipeline 62 according to the temperature gap calculated, and then according to the corresponding regulating gas proportioning valve of the size of the gas flow in definite gas inlet pipeline 62), perhaps each time gas ratio valve is carried out to the secured adjusted amplitude of gas flow adjusting (by this secured adjusted amplitude, described controller 1 can the regulating gas proportioning valve be regulated fixing amplitude with the gas flow in gas inlet pipeline 62).
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. a gas heater delivery port water temperature control device, this device comprises heat exchanger, and the outlet pipeline and the inlet pipeline that with heat exchanger, are communicated with, it is characterized in that, this device also comprises bypass line, and the delivery port water temperature controling circuit, wherein:
Described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and the water proportioning valve of controlling for bypass line being carried out to current break-make and current size, and the controller be connected with this temperature sensor and water proportioning valve signal, described controller is controlled the water proportioning valve according to the temperature gap between the measured value of this temperature sensor and default temperature value and is carried out the adjusting of current break-make and current size.
2. device according to claim 1, is characterized in that, described heat exchanger is equipped with the thermostatic control module.
3. device according to claim 1 and 2, is characterized in that, described controller is Programmable Logic Controller, for the control parameter of setup control water proportioning valve.
4. device according to claim 1 and 2, is characterized in that, described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline.
5. device according to claim 4, it is characterized in that, this device also comprises: be assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, and/or be assemblied on inlet pipeline or outlet pipeline and for measuring the second quantity sensor of inlet pipeline or outlet pipeline current value, described controller is connected with this first flow sensor and/or the second flow sensor signal, described controller carries out the control of water proportioning valve when the flow value of first flow sensor and/or the measurement of second quantity sensor changes.
6. a gas heater delivery port water temperature control device, this device comprises heat exchanger, and the outlet pipeline and the inlet pipeline that with heat exchanger, are communicated with, it is characterized in that, this device also comprises bypass line, and the delivery port water temperature controling circuit, wherein:
Described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline;
Described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and for bypass line being carried out to the water solenoid valve of current break-make control, be assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, be assemblied on the gas inlet pipeline and the gas ratio valve of controlling for carrying out the gas flow size, and with this temperature sensor, the first flow sensor, the controller that gas ratio valve and water solenoid valve signal connect, described controller carries out the control of water solenoid valve and gas ratio valve when the flow value of first flow sensor measurement changes.
7. device according to claim 6, is characterized in that, described controller is Programmable Logic Controller, for the control parameter of setup control gas ratio valve.
8. a gas heater delivery port water temperature control device, this device comprises heat exchanger, and the outlet pipeline and the inlet pipeline that with heat exchanger, are communicated with, it is characterized in that, this device also comprises bypass line, and the delivery port water temperature controling circuit, wherein:
Described heat exchanger comprises the thermostatic control module and is equipped with the combustion gas heating module of gas inlet pipeline;
Described delivery port water temperature controling circuit comprises and is assemblied on outlet pipeline and for measuring the temperature sensor of water lines water flow temperature, be assemblied on bypass line and for bypass line being carried out to the water solenoid valve of current break-make control, be assemblied on inlet pipeline and for measuring the second quantity sensor of inlet pipeline current value, be assemblied on the gas inlet pipeline and the gas ratio valve of controlling for carrying out the gas flow size, and with this temperature sensor, the second quantity sensor, the controller that gas ratio valve and water solenoid valve signal connect, the flow value that described controller is measured at the second quantity sensor carries out the control of water solenoid valve and gas ratio valve while changing.
9. device according to claim 8, is characterized in that, described controller is Programmable Logic Controller, for the control parameter of setup control gas ratio valve.
10. device according to claim 8 or claim 9, it is characterized in that, described delivery port water temperature controling circuit also comprises and is assemblied on the gas inlet pipeline and for measuring the first flow sensor of gas inlet pipeline gas-flow value, described controller also is connected with this first flow sensor signal, and described controller carries out the control of water solenoid valve and gas ratio valve when the flow value of first flow sensor and the measurement of second quantity sensor changes.
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| CN201320354176.8U CN203375724U (en) | 2013-06-19 | 2013-06-19 | Water temperature control device for water outlet of gas water heater |
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| CN201320354176.8U CN203375724U (en) | 2013-06-19 | 2013-06-19 | Water temperature control device for water outlet of gas water heater |
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- 2013-06-19 CN CN201320354176.8U patent/CN203375724U/en not_active Expired - Fee Related
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| CN104676900A (en) * | 2015-01-16 | 2015-06-03 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN104676900B (en) * | 2015-01-16 | 2017-10-27 | 芜湖美的厨卫电器制造有限公司 | Gas heater and its control method |
| CN105276822A (en) * | 2015-10-30 | 2016-01-27 | 青岛海尔科技有限公司 | Constant-temperature control method and device for water heater |
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| CN105768894B (en) * | 2016-01-29 | 2018-11-27 | 佛山市顺德区美的饮水机制造有限公司 | Heat wetting system and its leaving water temperature calibration method, device |
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| CN106642729B (en) * | 2017-01-18 | 2022-03-25 | 广东万家乐燃气具有限公司 | Water outlet temperature adjusting method for gas water heater and gas water heater |
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| CN107421102A (en) * | 2017-08-30 | 2017-12-01 | 杭州德意电器股份有限公司 | Rear end water-mixing type gas heater and its control method |
| CN107421102B (en) * | 2017-08-30 | 2022-09-16 | 杭州德意电器股份有限公司 | Rear-end water mixing type gas water heater and control method thereof |
| CN109059290A (en) * | 2018-07-20 | 2018-12-21 | 广东万和热能科技有限公司 | A kind of condensed type combustion gas is warm to bathe dual-purpose stove and its control method |
| CN110207394A (en) * | 2018-11-26 | 2019-09-06 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN110207394B (en) * | 2018-11-26 | 2023-11-21 | 华帝股份有限公司 | Temperature control pipeline for gas water heater, gas water heater and control method |
| CN109945504A (en) * | 2019-02-27 | 2019-06-28 | 邹雄宇 | A kind of water heater and zero cold water technical optimization method and system of wall-hung boiler |
| CN110017612B (en) * | 2019-03-11 | 2021-02-26 | 华帝股份有限公司 | Constant temperature control method of gas water heater |
| CN110017612A (en) * | 2019-03-11 | 2019-07-16 | 华帝股份有限公司 | Constant temperature control method of gas water heater |
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| CN110411036A (en) * | 2019-08-19 | 2019-11-05 | 珠海格力电器股份有限公司 | Wall-hung boiler leaving water temperature control method, device, equipment and wall-hung boiler |
| CN110793185A (en) * | 2019-12-09 | 2020-02-14 | 珠海格力电器股份有限公司 | Gas water heating system and control method thereof |
| CN110953728A (en) * | 2019-12-16 | 2020-04-03 | 华帝股份有限公司 | Constant temperature control method of gas water heater |
| CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
| CN111637632A (en) * | 2020-05-29 | 2020-09-08 | 中山百得厨卫有限公司 | Water outlet temperature adjusting method, storage medium and water heater |
| CN114370702A (en) * | 2021-12-06 | 2022-04-19 | 广东万和新电气股份有限公司 | Gas water heater control method and gas water heater |
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