CN2767902Y - Automatically controlled thermostatic gas water heater - Google Patents
Automatically controlled thermostatic gas water heater Download PDFInfo
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- CN2767902Y CN2767902Y CN 200420116549 CN200420116549U CN2767902Y CN 2767902 Y CN2767902 Y CN 2767902Y CN 200420116549 CN200420116549 CN 200420116549 CN 200420116549 U CN200420116549 U CN 200420116549U CN 2767902 Y CN2767902 Y CN 2767902Y
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Abstract
The utility model provides an automatic control thermostatic gas water heater which is provided with a water outflow temperature automatic control device. The utility model has the special structure that a gas quantity control valve 41 is arranged on a gas pipe 5, a valve core thereof is connected with a thermal expansion element through a valve rod, the thermal expansion element is arranged in a hot water passage, and the valve core tends to the state of stopping small gas flux when the thermal expansion element is expanded; a water outlet mixing control valve 42 is arranged on a water outlet pipe, the valve is provided with a cold water inlet, a hot water inlet and a water outlet, a valve core thereof is connected with a thermal expansion element through a valve rod, the thermal expansion element is installed in a water outlet passage and the valve core tends to the state of stopping small hot water quantity and expanding cold water quantity when the thermal expansion element is expanded. The water outflow temperature automatic control device of the automatic control thermostatic gas water heater provided by the utility model does not need parts such as a computer, a motor gear, etc., the complicated degree thereof is decreased, namely the manufacturing cost and the working performance are decreased; the failure rate is correspondingly decreased; moreover, the reaction of control action is quick and the deviation value of a water outflow temperature and a preset temperature is small.
Description
Technical field the utility model relates to a kind of self-control thermostatic gas heater.
Background technology is discloseder self-control thermostatic gas heaters at present, wherein the automatic control section of water temperature has adopted computer and parts such as motor and gear structure, as Chinese patent " water temperature control device of gas heater " (ZL9923936.9) and (ZL97207548.8) etc., and mostly be to adopt to do action with the leaving water temperature of sensor feedback and drive instruction and reach the control water temperature through magnetic valve or Electric Machine Control gas quantity as Chinese patent " gas heater automatic constant-temperature discharging device ".Just there are some defectives in this, as operational motion the variation of leaving water temperature there is hysteresis, ratio error is bigger etc. mutually to make leaving water temperature and the leaving water temperature that sets, especially when hydraulic pressure is nonstandard, this error just is far longer than the water temperature departure of its product design, goes back complex structure in addition, job stability is bad.
Summary of the invention is at above-mentioned defective, and the utility model will propose a kind of simple self-control thermostatic gas heater exactly, to solve too complicated technology problem of the big and control device structure of leaving water temperature fluctuation.
The self-control thermostatic gas heater that the utility model provides, constitute by shell 1, burning and heat-exchanging chamber 2, water inlet pipe and water outlet pipe, Gas Pipe 5, burnt gas switch control device 9 and leaving water temperature automaton 4, wherein leaving water temperature automaton 4 comprises a gas quantity control valve 41 and 42 two unit of a water outlet mixing valve, its concrete formation is: a gas quantity control valve 41 is arranged on Gas Pipe 5, its spool is connected with a heat-swelling element through valve rod, heat-swelling element is installed among the hot water channel, and spool was tending towards cutting little combustion gas flux when heat-swelling element expanded; One water outlet mixing valve 42 is arranged on outlet pipe, this valve has cooling water inlet, hot water inlet and goes out water out, its spool is connected with heat-swelling element through valve rod, and heat-swelling element is installed in the exhalant canal, and spool was tending towards cutting little hot water amount and enlarges cool water quantity when heat-swelling element expanded.
The self-control thermostatic gas heater that the utility model provides, gas quantity control valve 41 in the said leaving water temperature automaton 4 is piston type gate valves that the heat-swelling element promotion is closed, its structure is: two chambers are arranged in the valve casing, a chamber is that valve body is connected on the Gas Pipe 5, a chamber is that the temperature zone is connected from the hot-water line 3 between burning and heat-exchanging chamber 2 and the water outlet mixing valve 42, between two Room separation layer is arranged, valve rod passes this separation layer, between valve rod and the separation layer seal is arranged, the end of valve rod in valve body installed a spool, and the end of valve rod in the temperature zone installed a heat-swelling element.
The self-control thermostatic gas heater that the utility model provides, water outlet mixing valve 42 in the said leaving water temperature automaton 4 is piston type gate valves that heat-swelling element promotes, its structure is: three chambers are arranged in the valve casing, it is the water mixing chamber that a chamber connects delivery port 7, a chamber is that the hot water valve body is connected between hot-water line 3 and the mixing chamber, a chamber is that the cold water valve body is connected between cold water pipe 8 and the mixing chamber, between three Room separation layer is arranged, valve rod passes each separation layer and between valve rod and separation layer seal is arranged, valve rod is installed a heat-swelling element in mixing chamber, valve rod is all installed a spool in two valve bodies, what install in the hot water valve body is the spool that the heat-swelling element promotion is closed, and what install in the cold water valve body is the spool that heat-swelling element promotes unlatching.
The self-control thermostatic gas heater that the utility model provides, in the said water outlet mixing valve 42, hot water valve body, cold water valve body and mixing chamber are arranged in a straight line successively, and through hole is arranged mutually.This just makes the hot water of being accepted mix mutually with cold water through the cold water valve body, can not make hot water form weak point and flow and directly flow out from delivery port.
The self-control thermostatic gas heater that the utility model provides in gas quantity control valve 41 and/or water outlet mixing valve 42, has been installed in order to regulate the adjusting screw(rod) 26,18 of heat-swelling element initial position, in order to regulate required water temperature with valve rod is coaxial.
The self-control thermostatic gas heater that the utility model provides, in gas quantity control valve 41 and/or water outlet mixing valve 42, valve rod and heat-swelling element flexibly connect, and the back-moving spring 20,11 of elastic force from spool sensing heat-swelling element has been installed.
The self-control thermostatic gas heater that the utility model provides, in gas quantity control valve 41 and/or water outlet mixing valve 42, heat-swelling element is a kind of shell 23,14 that has, the bigger metal matter powder 22,15 of the coefficient of expansion is arranged in the shell, with with the offset sensing rod for temperature of the push rod 24,16 that cooperates at interval with shell of said metal matter powder, the code name of making as Germany is the sensing rod for temperature product of 4D102.
The self-control thermostatic gas heater that the utility model provides, in gas quantity control valve 41 and/or water outlet mixing valve 42, the sealing surface of spool is the cylinder of piston, and piston is a cylinder, and the sealing surface of valve seat is the part of cylinder.
The self-control thermostatic gas heater that the utility model provides has also been installed the buffering cylindrical shell 6 of a sectional area greater than outlet pipe between the water outlet mixing chamber of water outlet mixing valve 42 and delivery port 7.The volume of this cylindrical shell is the 0.1-0.3 liter, and its purposes is if the water temperature of the water that flows out from mixing chamber has a bigger variation instantaneous, can obtain adjusting in this buffering cylindrical shell, with the constant temperature quality of further raising water outlet.
The self-control thermostatic gas heater that the utility model provides, the effect of water outlet mixing valve is: heat-swelling element is experienced leaving water temperature and is expanded with heat and contract with cold and drive spool work, if the water outlet water temperature is lower, the heat-swelling element contraction just retracts spool makes cool water quantity expansion and cool water quantity cut little, if and the water outlet water temperature is higher, heat-swelling element expands and just to promote spool and cool water quantity is enlarged and the hot water amount cuts for a short time, so just can directly control ratio between the hot and cold water with leaving water temperature and mix temperature adjustment and make effluent temperature constancy.If but water temperature is than the low-key large hot water volume and gas quantity when constant, the hot water temperature will reduce, thereby may not improve leaving water temperature and make leaving water temperature lower, if or water temperature is higher turns the hot water amount down and gas quantity when constant, the hot water temperature will raise, thereby may not reduce leaving water temperature and make leaving water temperature higher, so just might cause leaving water temperature to cross cold or overheated poor circulation.So the self-control thermostatic gas heater that the utility model provides has disposed the gas quantity control valve simultaneously, the effect of gas quantity control valve is: heat-swelling element is experienced the hot water temperature and is expanded with heat and contract with cold and drive spool work, if the hot water water temperature is lower, the heat-swelling element contraction just retracts spool enlarges gas quantity, if and the hot water water temperature is higher, heat-swelling element expands and just to promote spool that gas quantity is cut is little, so just can directly control gas quantity with the hot water water temperature and avoid water temperature to cross the generation of cold or overheated poor circulation.The self-control thermostatic gas heater that the utility model provides, its leaving water temperature automaton does not use a computer and parts such as motor gear, reduce its complexity and just reduced manufacturing cost and service behaviour, the also corresponding reduction of fault rate, and the control action reaction fast, and the deviate of leaving water temperature and design temperature is very little.The result that the self-control thermostatic gas heater that this real the utility model is provided with standard GB 6932-2001 is tested be leaving water temperature with the deviation of setting leaving water temperature less than ± 1K, stabilization time is in 20 seconds.
Description of drawings Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation of water outlet mixing valve among the utility model one embodiment;
Fig. 3 is the structural representation of gas quantity control valve among the utility model one embodiment.
Specific embodiment embodiment 1: the self-control thermostatic gas heater that present embodiment provides, as shown in Figure 1, shell 1 is arranged, burning and heat-exchanging chamber 2, water inlet pipe 8 are set in the shell enter burning and heat-exchanging chamber 2 after through a burnt gas switch control device 9, the hot-water line 3 that goes out burning and heat-exchanging chamber 2 connects outlet pipe 7 behind leaving water temperature automaton 4, Gas Pipe 5 is passed through leaving water temperature automatons 4, burnt gas switch control device 9 back burners in burning and heat-exchanging chamber 2.Wherein leaving water temperature automaton 4 comprises a gas quantity control valve 41 and 42 two unit of a water outlet mixing valve, its concrete formation is: a gas quantity control valve 41 is arranged on Gas Pipe 5, its spool is connected with a heat-swelling element through valve rod, heat-swelling element is installed among the hot water channel, and the passage when heat-swelling element does not expand between spool and the valve seat is greater than the passage between heat-swelling element expansion back valve core and the valve seat; One water outlet mixing valve 42 is arranged on outlet pipe, this valve has cooling water inlet, hot water inlet and goes out water out, its spool is connected with heat-swelling element through valve rod, heat-swelling element is installed in the exhalant canal, passage between spool and the valve seat that is communicated with hot-water line along with the expansion of heat-swelling element from large to small, spool changes from small to big along with the expansion of heat-swelling element with passage between the valve seat that is communicated with cold water pipe.
41 further concrete descriptions are to the gas quantity control valve in the said leaving water temperature automaton 4, as shown in Figure 3, it is a piston type gate valve that the heat-swelling element promotion is closed, its structure is: two chambers are arranged in the valve casing, a chamber is that valve body is connected on the Gas Pipe 5, a chamber is that the temperature zone is connected from the hot-water line 3 between burning and heat-exchanging chamber 2 and the water outlet mixing valve 42, it between two Room cylindrical cavity, it in the cavity a columniform valve rod that is connected as a single entity with spool 21, the sealing surface of spool is its cylinder, and the sealing surface of valve seat is the part of cylinder.One O RunddichtringO is arranged between valve rod and the cavity, and the end of valve rod in the temperature zone flexibly connects a heat-swelling element with male and fomale(M﹠F).Heat-swelling element has shell 23, have in the shell the bigger metal matter powder 22 of the coefficient of expansion and with the offset sensing rod for temperature of the push rod 24 that cooperates at interval with shell of said metal matter powder, be that the code name that Germany that market is bought makes is the sensing rod for temperature product of 4D102.The shell 23 and the spool 21 of heat-swelling element offset, in the heat-swelling element push rod 24 1 ends through a buffer spring 25 be installed in one with the coaxial adjusting screw(rod) 26 of valve rod on, regulate required water temperature in order to regulate the heat-swelling element initial position, the back-moving spring 20 of one elastic force from spool sensing heat-swelling element has been installed at spool 21 1 ends.A spacing adjusting screw(rod) of spool also has been installed, to guarantee the gas quantity of igniting usefulness between spool 21 and the heat-swelling element shell 23.
42 further concrete descriptions are to the water outlet mixing valve in the said leaving water temperature automaton 4, as shown in Figure 3, it also is the piston type gate valve that a heat-swelling element promotes, its structure is: three chambers are arranged in the valve casing, it is the water mixing chamber that a chamber connects delivery port 7, a chamber is that the hot water valve body is connected between hot-water line 3 and the mixing chamber, and a chamber is that the cold water valve body is connected between cold water pipe 8 and the mixing chamber.Hot water valve body, cold water valve body and mixing chamber are arranged in a straight line successively.Between hot water valve body and the cold water valve body is a cylindrical cavity, in the cavity is one to be enclosed within the outer columniform spool 12 of valve rod 13, and the sealing surface of spool is its cylinder, and the sealing surface of valve seat is the part of cylinder.One O RunddichtringO is arranged between spool 12 and the cavity, form a core double-beat drop valve, promoted hot-water line is cut little at hot water valve body inner spool by heat-swelling element, this spool is promoted cold water pipe is enlarged by heat-swelling element in the cold water valve body.There is through hole to link up cold water valve body and hot water valve body on the spool.The end that valve rod points to the water outlet mixing chamber flexibly connects a heat-swelling element with male and fomale(M﹠F).Heat-swelling element has shell 14, have in the shell the bigger metal matter powder 15 of the coefficient of expansion and with the offset sensing rod for temperature of the push rod 16 that cooperates at interval with shell of said metal matter powder, be that the code name that Germany that market is bought makes is the sensing rod for temperature product of 4D102.The shell 14 and the valve rod 13 of heat-swelling element offset, in the heat-swelling element push rod 16 1 ends through a buffer spring 17 be installed in one with the coaxial adjusting screw(rod) 18 of valve rod on, regulate required water temperature in order to regulate the heat-swelling element initial position, the back-moving spring 10 of one elastic force from valve sensing heat-swelling element has been installed at spool 12 1 ends.
Embodiment 2: the self-control thermostatic gas heater that present embodiment provides, as showing of Fig. 1, the buffering cylindrical shell 6 of a sectional area greater than outlet pipe has been installed also between the water outlet mixing chamber of water outlet mixing valve 42 and delivery port 7.The volume of this cylindrical shell is 0.1 liter.
Embodiment 3: the self-control thermostatic gas heater that present embodiment provides, the buffering cylindrical shell 6 of a sectional area greater than outlet pipe also has been installed between the water outlet mixing chamber of water outlet mixing valve 42 and delivery port 7.The volume of this cylindrical shell is 0.2 liter, and the deviation of the leaving water temperature of present embodiment leaving water temperature and setting is less than ± 0.6K.
Claims (9)
1, a kind of self-control thermostatic gas heater, by shell [1], burning and heat-exchanging chamber [2], water inlet pipe and water outlet pipe, Gas Pipe [5], burnt gas switch control device [9] and leaving water temperature automaton [4] constitute, it is characterized in that said leaving water temperature automaton [4] comprises a gas quantity control valve [41] and [42] two unit of a water outlet mixing valve, its concrete formation is: a gas quantity control valve [41] is arranged on Gas Pipe [5], its spool is connected with a heat-swelling element through valve rod, heat-swelling element is installed among the hot water channel, and spool was tending towards cutting little combustion gas flux when heat-swelling element expanded; One water outlet mixing valve [42] is arranged on outlet pipe, this valve has cooling water inlet, hot water inlet and goes out water out, its spool is connected with heat-swelling element through valve rod, and heat-swelling element is installed in the exhalant canal, and spool was tending towards cutting little hot water amount and enlarges cool water quantity when heat-swelling element expanded.
2, as the said self-control thermostatic gas heater of claim 1, it is characterized in that the gas quantity control valve [41] in the said leaving water temperature automaton [4] is the piston type gate valve that the heat-swelling element promotion is closed, its structure is: two chambers are arranged in the valve casing, a chamber is that valve body is connected on the Gas Pipe [5], a chamber is that the temperature zone is connected from the hot-water line [3] between burning and heat-exchanging chamber [2] and the water outlet mixing valve, between two Room separation layer is arranged, valve rod passes this separation layer, between valve rod and the separation layer seal is arranged, the end of valve rod in valve body installed a spool, and the end of valve rod in the temperature zone installed a heat-swelling element.
3, as the said self-control thermostatic gas heater of claim 1, it is characterized in that the water outlet mixing valve [42] in the said leaving water temperature automaton [4] is the piston type gate valve that heat-swelling element promotes, its structure is: three chambers are arranged in the valve casing, it is the water mixing chamber that a chamber connects delivery port [7], a chamber is that the hot water valve body is connected between hot-water line [3] and the mixing chamber, a chamber is that the cold water valve body is connected between cold water pipe [8] and the mixing chamber, between three Room separation layer is arranged, valve rod passes each separation layer and between valve rod and separation layer seal is arranged, valve rod is installed a heat-swelling element in mixing chamber, valve rod is all installed a spool in two valve bodies, what install in the hot water valve body is the spool that the heat-swelling element promotion is closed, and what install in the cold water valve body is the spool that heat-swelling element promotes unlatching.
4,, it is characterized in that in the said water outlet mixing valve [42], hot water valve body, cold water valve body and mixing chamber are arranged in a straight line successively, and through hole is arranged mutually as the said self-control thermostatic gas heater of claim 3.
5, as claim 1 or 2 or 3 or 4 said self-control thermostatic gas heaters, it is characterized in that in said gas quantity control valve [41] and/or water outlet mixing valve [42], installed in order to regulate adjusting screw(rod) [26], [18] of heat-swelling element initial position with valve rod is coaxial.
6, as claim 1 or 2 or 3 or 4 said self-control thermostatic gas heaters, it is characterized in that in said gas quantity control valve [41] and/or water outlet mixing valve [42], valve rod and heat-swelling element flexibly connect, and back-moving spring [20], [11] of elastic force from spool sensing heat-swelling element have been installed.
7, as claim 1 or 2 or 3 or 4 said self-control thermostatic gas heaters, it is characterized in that in said gas quantity control valve [41] and/or water outlet mixing valve [42], heat-swelling element is a kind of have shell [23], [14], have in the shell the bigger metal matter powder [22] of the coefficient of expansion, [15] and with said metal matter powder the offset push rod [24] that cooperates at interval with shell, the sensing rod for temperature of [16].
8, as claim 1 or 2 or 3 or 4 said self-control thermostatic gas heaters, it is characterized in that between the water outlet mixing chamber of said water outlet mixing valve [42] and delivery port [7], also installing a sectional area greater than outlet pipe, volume is the buffering cylindrical shell [6] that 0.1-0.3 rises.
9, as the said self-control thermostatic gas heater of claim 1, it is characterized in that
(1) the gas quantity control valve [41] in the said leaving water temperature automaton [4] is a piston type gate valve that the heat-swelling element promotion is closed, its structure is: two chambers are arranged in the valve casing, a chamber is that valve body is connected on the Gas Pipe [5], a chamber is that the temperature zone is connected from the hot-water line [3] between burning and heat-exchanging chamber [2] and the water outlet mixing valve [42], it between two Room cylindrical cavity, it in the cavity a columniform valve rod that is connected as a single entity with spool [21], the sealing surface of spool is its cylinder, the sealing surface of valve seat is the part of cylinder, one O RunddichtringO is arranged between valve rod and the cavity, the end of valve rod in the temperature zone flexibly connects a heat-swelling element with male and fomale(M﹠F), heat-swelling element has shell [23], the bigger metal matter powder [22] of the coefficient of expansion is arranged in the shell, with with the offset sensing rod for temperature of the push rod [24] that cooperates at interval with shell of said metal matter powder, the shell of heat-swelling element [23] offsets with spool [21], in the heat-swelling element push rod [24] one ends through a buffer spring [25] be installed in one with the coaxial adjusting screw(rod) of valve rod [26] on, regulate required water temperature in order to regulate the heat-swelling element initial position, at spool [21] one ends the back-moving spring [20] of one elastic force from spool sensing heat-swelling element has been installed, a spacing adjusting screw(rod) of spool also has been installed, to guarantee the gas quantity of igniting usefulness between spool [21] and the heat-swelling element shell [23].
(2) the water outlet mixing valve [42] in the said leaving water temperature automaton 4 is the piston type gate valve that a heat-swelling element promotes, its structure is: three chambers are arranged in the valve casing, it is the water mixing chamber that a chamber connects delivery port [7], a chamber is that the hot water valve body is connected between hot-water line [3] and the mixing chamber, a chamber is that the cold water valve body is connected between cold water pipe [8] and the mixing chamber, the hot water valve body, cold water valve body and mixing chamber are arranged in a straight line successively, be a cylindrical cavity between hot water valve body and the cold water valve body, be one to be enclosed within the outer columniform spool [12] of valve rod [13] in the cavity, the sealing surface of spool is its cylinder, and the sealing surface of valve seat is the part of cylinder.One O RunddichtringO is arranged between spool [12] and the cavity, form a core double-beat drop valve, promoted hot-water line is cut little at hot water valve body inner spool by heat-swelling element, this spool is promoted cold water pipe is enlarged by heat-swelling element in the cold water valve body.There is through hole to link up cold water valve body and hot water valve body on the spool, the end that valve rod points to the water outlet mixing chamber flexibly connects a heat-swelling element with male and fomale(M﹠F), heat-swelling element has shell [14], the bigger metal matter powder [15] of the coefficient of expansion is arranged in the shell, with with the offset sensing rod for temperature of the push rod [16] that cooperates at interval with shell of said metal matter powder, the shell of heat-swelling element [14] offsets with valve rod [13], in the heat-swelling element push rod [16] one ends through a buffer spring [17] be installed in one with the coaxial adjusting screw(rod) of valve rod [18] on, regulate required water temperature in order to regulate the heat-swelling element initial position, the back-moving spring [10] of one elastic force from spool sensing heat-swelling element has been installed at spool [12] one ends.
(3) sectional area also has been installed greater than outlet pipe between the water outlet mixing chamber of said water outlet mixing valve [42] and delivery port [7], volume is the buffering cylindrical shell [6] that 0.1-0.3 rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116549 CN2767902Y (en) | 2004-11-26 | 2004-11-26 | Automatically controlled thermostatic gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116549 CN2767902Y (en) | 2004-11-26 | 2004-11-26 | Automatically controlled thermostatic gas water heater |
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| CN2767902Y true CN2767902Y (en) | 2006-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420116549 Expired - Fee Related CN2767902Y (en) | 2004-11-26 | 2004-11-26 | Automatically controlled thermostatic gas water heater |
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| CN (1) | CN2767902Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022832A (en) * | 2009-09-11 | 2011-04-20 | 海尔集团公司 | Water temperature control device and water temperature control method for gas water heater |
| CN102829551A (en) * | 2012-08-09 | 2012-12-19 | 建德博艾斯智能科技有限公司 | Intelligent constant-temperature yielding water temperature regulating method |
| CN107631341A (en) * | 2017-10-11 | 2018-01-26 | 黄河科技学院 | Intumescent constant-temperature hot water system |
| CN107642622A (en) * | 2017-10-10 | 2018-01-30 | 河南工程学院 | Chemical experiment water-bath system |
| CN109442089A (en) * | 2018-12-28 | 2019-03-08 | 王英瑞 | A kind of temperature detect switch (TDS) |
| CN110986365A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Water quantity server of gas water heater |
| CN111306810A (en) * | 2020-04-14 | 2020-06-19 | 天津市元柏生活用品有限公司 | Energy-saving water heater adjusted along with water temperature |
| CN111692391A (en) * | 2020-06-05 | 2020-09-22 | 华帝股份有限公司 | Steady flow regulating valve and water heater using same |
| CN112460815A (en) * | 2021-01-27 | 2021-03-09 | 查才文 | Energy-saving and environment-friendly water heater water-saving control system |
| CN112742791A (en) * | 2020-12-15 | 2021-05-04 | 苏州鲸鱼清洗机械有限公司 | Cold-hot mixed fuel heating decontamination machine |
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2004
- 2004-11-26 CN CN 200420116549 patent/CN2767902Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022832A (en) * | 2009-09-11 | 2011-04-20 | 海尔集团公司 | Water temperature control device and water temperature control method for gas water heater |
| CN102022832B (en) * | 2009-09-11 | 2014-06-18 | 海尔集团公司 | Water temperature control device and water temperature control method for gas water heater |
| CN102829551A (en) * | 2012-08-09 | 2012-12-19 | 建德博艾斯智能科技有限公司 | Intelligent constant-temperature yielding water temperature regulating method |
| CN102829551B (en) * | 2012-08-09 | 2015-01-14 | 建德博艾斯智能科技有限公司 | Intelligent constant-temperature yielding water temperature regulating method |
| CN107642622A (en) * | 2017-10-10 | 2018-01-30 | 河南工程学院 | Chemical experiment water-bath system |
| CN107642622B (en) * | 2017-10-10 | 2023-04-07 | 河南工程学院 | Water bath system for chemistry experiments |
| CN107631341A (en) * | 2017-10-11 | 2018-01-26 | 黄河科技学院 | Intumescent constant-temperature hot water system |
| CN107631341B (en) * | 2017-10-11 | 2023-06-23 | 临夏市供热公司 | Expansion type constant temperature hot water system |
| CN109442089A (en) * | 2018-12-28 | 2019-03-08 | 王英瑞 | A kind of temperature detect switch (TDS) |
| CN110986365B (en) * | 2019-11-19 | 2021-06-29 | 上海乾进节能科技有限公司 | Water quantity server of gas water heater |
| CN110986365A (en) * | 2019-11-19 | 2020-04-10 | 上海乾进节能科技有限公司 | Water quantity server of gas water heater |
| CN111306810A (en) * | 2020-04-14 | 2020-06-19 | 天津市元柏生活用品有限公司 | Energy-saving water heater adjusted along with water temperature |
| CN111692391A (en) * | 2020-06-05 | 2020-09-22 | 华帝股份有限公司 | Steady flow regulating valve and water heater using same |
| CN111692391B (en) * | 2020-06-05 | 2022-07-08 | 华帝股份有限公司 | Steady flow regulating valve and water heater using same |
| CN112742791A (en) * | 2020-12-15 | 2021-05-04 | 苏州鲸鱼清洗机械有限公司 | Cold-hot mixed fuel heating decontamination machine |
| CN112460815A (en) * | 2021-01-27 | 2021-03-09 | 查才文 | Energy-saving and environment-friendly water heater water-saving control system |
| CN112460815B (en) * | 2021-01-27 | 2022-01-28 | 山东盛拓科太阳能科技有限公司 | Energy-saving and environment-friendly water heater water-saving control system |
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