CN109000377A - A kind of constant temp gas water heater and gas water heater constant temperature control method - Google Patents

A kind of constant temp gas water heater and gas water heater constant temperature control method Download PDF

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Publication number
CN109000377A
CN109000377A CN201810904156.0A CN201810904156A CN109000377A CN 109000377 A CN109000377 A CN 109000377A CN 201810904156 A CN201810904156 A CN 201810904156A CN 109000377 A CN109000377 A CN 109000377A
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China
Prior art keywords
water
branch
temperature
gas
heater
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CN201810904156.0A
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CN109000377B (en
Inventor
艾穗江
黄城洪
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028Continuous-flow heaters

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The present invention discloses a kind of constant temp gas water heater, comprising: master controller, heat exchanger, and the water inlet pipe, the outlet pipe that connect with the heat exchanger;It is characterized in that, being equipped with the first branch and second branch in parallel on the water inlet pipe, it is equipped with water tank and the first water proportioning valve in the first branch, electric heater and temperature sensor are equipped in the water tank;The second water proportioning valve is equipped in the second branch;The first water proportioning valve, the second water proportioning valve, the electric heater and the temperature sensor are all connect with the master controller.The present invention can be to avoid user during using gas heater, Guan Shui occurs the problem of one section of cold water after boiled water again, it can also can effectively reduce water temperature fluctuation amplitude of cutting off the water to avoid the excessively high problem of leaving water temperature that heating device may cause is introduced, promote user's bathing experience.The present invention also provides a kind of gas water heater constant temperature control methods.

Description

A kind of constant temp gas water heater and gas water heater constant temperature control method
Technical field
The present invention relates to fluid heater technical field more particularly to a kind of constant temp gas water heater and gas heater are permanent Warm control method.
Background technique
Gas heater is to be heated by the heat that fuel gas buring generates to water as the energy using combustion gas, reach water temperature To the equipment of the requirements such as life, heating.Gas instantaneous water heater in use, if there is closing boiled water again after water, meeting Lead to have one section of cold water, influences user experience, especially bathing experience.Though have in industry proposition by add the modes such as water tank come Solve the problems, such as this, but effect be not it is highly desirable, will lead to that leaving water temperature is unstable or even the water temperature of a very long time reaches Less than set temperature.
Summary of the invention
The purpose of the present invention is to provide a kind of constant temp gas water heaters without secondary be switched on cold water and stable in outlet water temperature.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of constant temp gas water heater, comprising: master controller, heat exchanger, and connect with the heat exchanger into Water pipe, outlet pipe;It is characterized in that, the first branch and second branch in parallel are equipped on the water inlet pipe, described first Branch road is equipped with water tank and the first water proportioning valve, and electric heater and temperature sensor are equipped in the water tank;Described Second branch is equipped with the second water proportioning valve;The first water proportioning valve, the second water proportioning valve, the electric heater and institute Temperature sensor is stated all to connect with the master controller.
As a further illustration of the above scheme, operation display is connected on the master controller, in the operation Display is equipped with temperature setting key and flow set key.
As a further illustration of the above scheme, the corresponding heat exchanger is equipped with the burner for being provided heat, Gas ratio valve is connected on the burner;Water flow sensor and inflow temperature sensor are equipped on the water inlet pipe; The gas ratio valve, the water flow sensor and the inflow temperature sensor are all connect with the master controller, described Master controller is controlled according to the signal of the operation display, the water flow sensor and inflow temperature sensor feedback The aperture of the gas ratio valve.
As a further illustration of the above scheme, being equipped with the water temperature out connecting with the master controller on the outlet pipe Spend sensor.
As a further illustration of the above scheme, being connected with DC fan on the burner.
As a further illustration of the above scheme, the burner is located at the lower section of the heat exchanger, handed in the heat Outlet flue is equipped with above parallel operation.
The present invention also provides a kind of gas water heater constant temperature control methods, which is characterized in that the utilization first branch in parallel, Second branch supplies water to heat exchanger, and the water tank of electrified heating device and temperature sensor is arranged on the first leg;User When starting gas heater, default is supplied water using the first branch, and electric heater does not start heating function;User Guan Shuihou, electricity add Hot device starts heating function, will stop working after the water temperature heating in water tank to user's set temperature;User again boiled water when, There are a durations of ignition to be supplied water before lighting a fire successfully using the first branch, after lighting a fire successfully, automatically switches to second It supplies water on road.
As a further illustration of the above scheme, user again boiled water when, if hot water use finishes in water tank, continue to allow The first branch supplies water.
As a further illustration of the above scheme, each user Guan Shuihou, only extremely by the water temperature heating in the water tank User's set temperature is primary.
The beneficial effects of the present invention are:
One, by the way that two two branches that can be heated and cannot heat are arranged on water inlet pipe, can make to avoid user During gas heater, Guan Shui occurs the problem of one section of cold water after boiled water again, can also to avoid introduce heating device may The caused excessively high problem of leaving water temperature can effectively reduce water temperature fluctuation amplitude of cutting off the water, and promote user's bathing experience.
Two, user again boiled water when, if hot water use finishes in water tank, continue to allow the first branch to supply water, can be with Avoid unstable caused by frequent switching water route and device failure.
Three, each user Guan Shuihou, only by the water temperature heating in the water tank to user's set temperature primary, Ke Yijie About unnecessary energy consumption.
Detailed description of the invention
Fig. 1 show constant temp gas water heater structural schematic diagram provided by the invention.
Fig. 2 show constant temp gas water heater work flow diagram provided by the invention.
Description of symbols:
1: master controller, 2: heat exchanger, 3: water inlet pipe, 4: outlet pipe, 5: the first branch, 6: second branch, 7: water storage Tank, 8: the first water proportioning valves, 9: electric heater, 10: temperature sensor, 11: the second water proportioning valves, 12: burner, 13: combustion gas Proportioning valve, 14: water flow sensor, 15: inflow temperature sensor, 16: leaving water temperature sensors, 17: DC fan, 18: going out Mouth.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It is also possible to mechanical connect It connects;It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve The present invention is released, and is not considered as limiting the invention.
Embodiment one
As shown in Figure 1, a kind of constant temp gas water heater, comprising: master controller 1, heat exchanger 2, and handed over the heat Water inlet pipe 3, the outlet pipe 4 of the connection of parallel operation 2;It is characterized in that, being equipped with the in parallel first branch 5 and the on the water inlet pipe 3 Two branches 6 are equipped with water tank 7 and the first water proportioning valve 8 in the first branch 5, and electric heating is equipped in the water tank 7 Device 9 and temperature sensor 10;The second water proportioning valve 11 is equipped in the second branch 6;It is the first water proportioning valve 8, described Second water proportioning valve 11, the electric heater 9 and the temperature sensor 10 are all connect with the master controller 1;User's starting When gas heater, default is supplied water using the first branch 5, and electric heater 9 does not start heating function;User Guan Shuihou, electric heating Device 9 starts heating function, will stop working after the water temperature heating in water tank 7 to user's set temperature;User again boiled water when, There are a durations of ignition, before lighting a fire successfully, are supplied water using the first branch 5, after lighting a fire successfully, automatically switch to second It supplies water on road 6.
Wherein, it is connected with operation display on the master controller 1, temperature is equipped on the operation display and is set Key and flow set key, to facilitate user to carry out the setting of temperature and water flow.
The corresponding heat exchanger 2 is equipped with the burner 12 for being provided heat, is connected with combustion on the burner 12 Gas proportioning valve 13;Water flow sensor 14 and inflow temperature sensor 15 are equipped on the water inlet pipe 3;The gas ratio valve 13, the water flow sensor 14 and the inflow temperature sensor 15 are all connect with the master controller 1, the master controller 1 is anti-according to the set temperature of the operation display feedback, the water flow sensor and inflow temperature sensor difference The water flow and inflow temperature of feedback control the aperture of the gas ratio valve 13.
Further, the leaving water temperature sensors 16 connecting with the master controller 1 are equipped on the outlet pipe 4, it is main The signal that controller 1 is fed back according to leaving water temperature sensors 16 carries out dynamic adjustment to the aperture of gas ratio valve 13, to guarantee Practical leaving water temperature is consistent with set temperature.
Further, DC fan 17 is connected on the burner 12.The burner 12 is located at the heat and hands over The lower section of parallel operation 2 is equipped with outlet flue 18 above the heat exchanger 2.
A kind of constant temp gas water heater provided in this embodiment can heat and cannot add by being arranged two on water inlet pipe Two branches of heat, can be to avoid user during using gas heater, and Guan Shui asking for one section of cold water occurs after boiled water again Topic can also can effectively reduce water temperature fluctuation width of cutting off the water to avoid the excessively high problem of leaving water temperature that heating device may cause is introduced Degree promotes user's bathing experience.
Embodiment two
As shown in Fig. 2, can use one institute of embodiment the present embodiment provides a kind of gas water heater constant temperature control method The constant temp gas water heater stated is realized.The concrete principle of the constant-temperature control method are as follows: utilize the first branch in parallel, second Road is supplied water to heat exchanger, and the water tank of electrified heating device and temperature sensor is arranged on the first leg;User starts combustion When gas water heater, default is supplied water using the first branch, and electric heater does not start heating function;User Guan Shuihou, electric heater open Dynamic heating function, and will stop working after the water temperature heating in water tank to user's set temperature;User again boiled water when, exist One duration of ignition is supplied water before lighting a fire successfully using the first branch, after lighting a fire successfully, automatically switches to second branch confession Water.
Wherein, user again boiled water when, if hot water use finishes in water tank, continue to allow the first branch to supply water, with Avoid unstable caused by frequent switching water route and device failure.
Further, each user Guan Shuihou, it is only that the water temperature heating in the water tank is primary to user's set temperature, To save unnecessary energy consumption.
A kind of gas water heater constant temperature control method provided in this embodiment avoids user from using gas heater process In, Guan Shui occurs the problem of one section of cold water after boiled water again, also avoids introducing that leaving water temperature that heating device may cause is excessively high asks Water temperature fluctuation amplitude of cutting off the water is effectively reduced in topic, promotes user's bathing experience.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment The part not illustrated is the prior art or common knowledge.

Claims (9)

1. a kind of constant temp gas water heater, comprising: master controller, heat exchanger, and the water inlet being connect with the heat exchanger Pipe, outlet pipe;It is characterized in that, the first branch and second branch in parallel are equipped on the water inlet pipe, at described first Road is equipped with water tank and the first water proportioning valve, and electric heater and temperature sensor are equipped in the water tank;Described Two roads are equipped with the second water proportioning valve;The first water proportioning valve, the second water proportioning valve, the electric heater and described Temperature sensor is all connect with the master controller.
2. a kind of constant temp gas water heater according to claim 1, which is characterized in that be connected on the master controller Display is operated, temperature setting key and flow set key are equipped on the operation display.
3. a kind of constant temp gas water heater according to claim 2, which is characterized in that the corresponding heat exchanger, which is equipped with, is Offer heat burner, be connected with gas ratio valve on the burner;Water flow is equipped on the water inlet pipe to pass Sensor and inflow temperature sensor;The gas ratio valve, the water flow sensor and the inflow temperature sensor all with The master controller connection, the master controller is according to the operation display, the water flow sensor and water inlet temperature The signal of degree sensor feedback controls the aperture of the gas ratio valve.
4. a kind of constant temp gas water heater according to claim 3, which is characterized in that be equipped with and institute on the outlet pipe State the leaving water temperature sensors of master controller connection.
5. a kind of constant temp gas water heater according to claim 3, which is characterized in that be connected on the burner straight Flow fan.
6. a kind of constant temp gas water heater according to claim 3, which is characterized in that the burner is located at the heat and hands over The lower section of parallel operation is equipped with outlet flue above the heat exchanger.
7. a kind of gas water heater constant temperature control method, which is characterized in that handed over using the first branch in parallel, second branch to heat Parallel operation supplies water, and the water tank of electrified heating device and temperature sensor is arranged on the first leg;User starts gas heater When, default is supplied water using the first branch, and electric heater does not start heating function;User Guan Shuihou, electric heater starting heating function Can, it will stop working after the water temperature heating in water tank to user's set temperature;User again boiled water when, there are when an igniting Between, it before lighting a fire successfully, is supplied water using the first branch, after lighting a fire successfully, automatically switches to second branch water supply.
8. a kind of gas water heater constant temperature control method according to claim 7, which is characterized in that user's boiled water again When, if hot water use finishes in water tank, continue that the first branch is allowed to supply water.
9. a kind of gas water heater constant temperature control method according to claim 7, which is characterized in that each user Guan Shui Afterwards, only that the water temperature heating in the water tank is primary to user's set temperature.
CN201810904156.0A 2018-08-09 2018-08-09 Constant-temperature gas water heater and constant-temperature control method of gas water heater Active CN109000377B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111121274A (en) * 2020-01-09 2020-05-08 杭州德意电器股份有限公司 Gas water heater with purification function and purification method thereof
CN111457597A (en) * 2020-05-18 2020-07-28 珠海格力电器股份有限公司 Water supply device, water supply system, control method of water supply system and water heater
CN111561777A (en) * 2020-05-22 2020-08-21 珠海格力电器股份有限公司 Water heater system and control method thereof
CN112032997A (en) * 2020-07-22 2020-12-04 青岛经济技术开发区海尔热水器有限公司 Gas water heater and control method thereof

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CN204535090U (en) * 2015-04-23 2015-08-05 重庆大学 A kind of air friction drag pre-heating system of photo-thermal comprehensive utilization
CN104913508A (en) * 2015-06-09 2015-09-16 广东万家乐燃气具有限公司 Thermostat of gas water heater and constant-temperature water drainage control method
CN107576055A (en) * 2017-08-25 2018-01-12 华帝股份有限公司 A kind of zero cold water water heater

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JP2001324217A (en) * 2000-05-16 2001-11-22 Tokyo Gas Co Ltd Gas water heater
CN202792487U (en) * 2012-10-09 2013-03-13 阿高龙热 Preheating gas water heater
CN104121698A (en) * 2014-07-03 2014-10-29 孙冬梅 Constant-flow type electromagnetic auxiliary heating device of water heater
CN104776589A (en) * 2015-04-20 2015-07-15 芜湖美的厨卫电器制造有限公司 Water control device and gas water heater
CN204535090U (en) * 2015-04-23 2015-08-05 重庆大学 A kind of air friction drag pre-heating system of photo-thermal comprehensive utilization
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111121274A (en) * 2020-01-09 2020-05-08 杭州德意电器股份有限公司 Gas water heater with purification function and purification method thereof
CN111121274B (en) * 2020-01-09 2024-05-10 杭州德意智家股份有限公司 Gas water heater with purification function and purification method thereof
CN111457597A (en) * 2020-05-18 2020-07-28 珠海格力电器股份有限公司 Water supply device, water supply system, control method of water supply system and water heater
CN111457597B (en) * 2020-05-18 2024-03-22 珠海格力电器股份有限公司 Water supply device, water supply system, control method of water supply system and water heater
CN111561777A (en) * 2020-05-22 2020-08-21 珠海格力电器股份有限公司 Water heater system and control method thereof
CN112032997A (en) * 2020-07-22 2020-12-04 青岛经济技术开发区海尔热水器有限公司 Gas water heater and control method thereof
CN112032997B (en) * 2020-07-22 2022-04-22 青岛经济技术开发区海尔热水器有限公司 Gas water heater and control method thereof

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