CN110186199B - Middle-mounted quick-water-outlet hot water device and temperature control method - Google Patents
Middle-mounted quick-water-outlet hot water device and temperature control method Download PDFInfo
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- CN110186199B CN110186199B CN201910480379.3A CN201910480379A CN110186199B CN 110186199 B CN110186199 B CN 110186199B CN 201910480379 A CN201910480379 A CN 201910480379A CN 110186199 B CN110186199 B CN 110186199B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a middle-mounted quick-water-outlet hot water device and a temperature control method, wherein the quick-water-outlet hot water device comprises a quick-water-outlet hot water device body, the quick-water-outlet hot water device body comprises a shell and a back plate, a water inlet pipe, a heating water pipe and a water outlet pipe which are sequentially communicated are mounted in the shell, a heating pipe is mounted in the heating water pipe, a first thermocouple and a flow switch are mounted on a pipe body of the water inlet pipe, the first thermocouple is electrically connected with a first temperature control switch, the first temperature control switch is electrically connected with the heating pipe, a second thermocouple is mounted on a pipe body of the water outlet pipe, the second thermocouple is electrically connected with a second temperature control switch, and the second; the temperature control method comprises four steps of Step1 cold water heating, Step2 water temperature detection, Step3 target temperature verification and Step4 temperature correction. The intelligent water heater can intelligently and immediately heat cold water in the water pipe, avoids water resource waste caused by overlong pipelines, reduces power consumption, and improves intelligent degree and environmental protection.
Description
Technical Field
The invention belongs to the technical field of heaters, and particularly relates to a middle-mounted quick-water-outlet hot water device and a temperature control method.
Background
At present, gas or electric water heaters in the market are widely used, but because of a terminal heating mode of the gas or electric water heater, heated hot water is conveyed to a water using position through a water dividing pipe, the middle section is long in distance from a pipeline, the amount of accumulated cold water is large, the hot water can be used only by discharging the cold water after long-time drainage, and water resources are wasted; in order to solve the problem, a quick-heating water faucet is also arranged on the market, the cold water flowing through the water faucet is heated by additionally arranging a heating device on the water faucet, but the quick-heating water faucet works through water flow control, can continuously heat the water flow after being opened, continuously uses electricity, is large in electricity consumption, not intelligent and not beneficial to environmental protection, and can discharge the cold water due to the fact that a heating pipe needs reaction time in the initial opening stage.
Disclosure of Invention
The present invention provides a mid-set type fast hot water apparatus and a temperature control method, which are directed to the problems of the prior art.
The invention solves the technical problems through the following technical means:
the middle-placed fast hot water device comprises a fast hot water device body arranged between a gas water heater and a faucet, wherein the fast hot water device body comprises a shell with an opening at one end and a back plate arranged at the opening end of the shell, a water inlet pipe, a heating water pipe and a water outlet pipe which are sequentially communicated are arranged in the shell, a heating pipe is arranged in the heating water pipe, a first thermocouple and a flow switch are arranged on a pipe body of the water inlet pipe, the first thermocouple is electrically connected with a first temperature control switch, the first temperature control switch is electrically connected with the heating pipe, a second thermocouple is arranged on the pipe body of the water outlet pipe, the second thermocouple is electrically connected with a second temperature control switch, and the second temperature control switch is electrically connected with the heating pipe.
Further, still be equipped with the buffer memory water tank between inlet tube and the heating water pipe, inlet tube, buffer memory water tank and heating water pipe communicate in proper order, the buffer memory water tank is holding water tank.
Furthermore, the buffer water tank is a double-layer hollow stainless steel water tank.
Furthermore, the flow switch, the first temperature control switch and the second temperature control switch are connected in parallel.
Furthermore, the outer wall of the shell is provided with a touch screen for adjusting and displaying the preset temperature.
The temperature control method of the centrally-mounted fast-water-outlet hot water device specifically comprises the following steps:
step1 heating in cold water:
the flow switch acquires the flowing state of water flow at the water inlet, and the heating pipe is controlled to heat by combining the water temperature state at the water inlet acquired by the first thermocouple;
step2 water temperature detection:
when the heating pipe is heated to work, the first thermocouple continuously obtains the water temperature t at the water inlet at equal intervalsiI is the time corresponding to different temperatures of the water inlet;
step3 target temperature check:
the first thermocouple is used for acquiring the water temperature t of the water inletiPerforming range calculation of adjacent data, wherein delta t is | ti-ti-1Taking a plurality of groups of pole difference values delta t continuous before the current moment, and calculating the average value of the pole difference values delta t
And according to
The standard deviation a is calculated and,
wherein n is a selected rangeThe group number of delta t is judged according to the numerical value of the standard deviation sigmaiWhether the temperature is a target temperature value;
if sigma is more than or equal to 0 and less than or equal to 0.5, performing Step4 temperature correction, and showing that the water temperature of the water inlet is constant and is the set temperature of the gas water heater, namely the heating target temperature of the centrally-mounted quick-water-outlet hot water device;
if the sigma is larger than 0.5, returning to execute Step2 water temperature detection, and showing that the water temperature of the water inlet is not constant at the moment;
step4 temperature correction:
extracting a plurality of groups of water temperatures t corresponding to the standard deviation sigmaiCalculating the average water temperature T, namely the target water temperature value T0Based on the target water temperature value T0Correcting the preset temperature value T of the first temperature control switch1And a preset temperature value T of the second temperature control switch2Wherein T is1＝T2And a preset temperature value T1And a preset temperature value T2For linkage control, i.e. after setting a temperature value, T is controlled simultaneously1And T2And T is1And T2Keeping consistent;
if T0＝T2Maintaining a predetermined temperature value T2；
If T0≠T2By T0Is replaced by T2Generating a new preset temperature value T2。
Furthermore, the number of the selected sets of the range delta t in the Step3 target temperature check does not exceed five sets.
The invention has the beneficial effects that:
(1) the quick-water-outlet hot water device body is arranged between the gas water heater and the water faucet, so that cold water in the water pipe can be quickly heated when water is needed, the phenomenon that water resources are wasted due to excessive cold water discharge caused by too long distance between the gas water heater and the water faucet is avoided, meanwhile, the water temperature is monitored in real time by arranging the temperature control module consisting of the flow switch, the first thermocouple, the first temperature control switch, the second thermocouple and the second temperature control switch on the quick-water-outlet hot water device body, the cold water is heated when needed, the heating is stopped when the water heater works normally, the power consumption is reduced, and the intelligent degree and the environmental protection are improved;
(2) according to the invention, an intelligent temperature control method is adopted, the temperature of the water inlet is continuously obtained through the first thermocouple, and is calculated, counted and analyzed to obtain the set temperature of the gas water heater in the current use environment, and meanwhile, the preset temperature of the quick water heating device is adaptively adjusted, so that the final water temperature of the water outlet is consistent with the set temperature of the gas water heater, and the use experience of a user is improved.
Drawings
FIG. 1 is a schematic diagram of the external structure of a quick-water-discharging device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the quick-water-discharging device according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a hot water pipe according to an embodiment of the present invention;
fig. 4 is a circuit control diagram of the fast water heater according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 3, the middle-type fast hot water discharging device includes a fast hot water discharging device body 10 installed between a gas water heater and a faucet, the fast hot water discharging device body 10 is communicated with a hot water pipeline of the faucet, the fast hot water discharging device body 10 includes a housing 11 having an opening at one end and a back plate 12 installed at the opening end of the housing 11, a water inlet pipe 21, a water heating pipe 23 and a water outlet pipe 24 which are sequentially communicated are installed in the housing 11, a heating pipe 28 is installed in the water heating pipe 23, a first thermocouple 261 and a flow switch 25 are installed on a pipe body of the water inlet pipe 21, the flow switch 25 is of a target type, a pressure type or an electronic type, the first thermocouple 261 is electrically connected to a first temperature control switch (not shown in the figure), the first temperature control switch is electrically connected to the heating pipe 28, and a second thermocouple 262 is installed on a pipe body of the, the second thermocouple 262 is electrically connected to a second temperature control switch, which is electrically connected to the heating pipe 28.
Fig. 4 is a control circuit diagram of a mid-type fast hot water discharging device, in which cold water flows in from a water inlet, a first thermocouple 261 senses water temperature and feeds back the water temperature to a first temperature control switch, and a flow switch 25 senses water flow passing through, when the water temperature is lower than the water temperature range set on the first temperature control switch, the first temperature control switch and the flow switch 25 simultaneously control a heating pipe 28(3000W) to start, and at this time, the heating pipe starts to heat the cold water; the water outlet second thermocouple 262 senses the water temperature and feeds back the water temperature to the second temperature control switch, and when the water temperature reaches the preset temperature range, the second temperature control switch controls the heating pipe 28 to stop heating; when the water inlet enters hot water (the temperature reaches the preset value of the first temperature control switch), the first temperature control switch controls the heating pipe 28 to stop working. At the moment, hot water (namely the preset temperature on the gas water heater) is discharged from the water outlet. Through installing fast hot water device body 10 between gas heater and tap, can heat the cold water in the water pipe fast when needs water, avoid between gas heater and the tap pipeline distance overlength to lead to cold water to discharge too much and lead to the water waste, and simultaneously, through setting up by flow switch 25 at fast hot water device body 10, first thermocouple 261, first temperature detect switch, the temperature control module real time monitoring temperature that second thermocouple 262 and second temperature detect switch are constituteed, heat cold water when realizing needs, stop the heating after the water heater normally works promptly, reduce power consumption, improve intelligent degree and feature of environmental protection.
In this embodiment, as shown in fig. 2, still be equipped with buffer water tank 22 between inlet tube 21 and the heating water pipe 23, inlet tube 21, buffer water tank 22 and heating water pipe 23 communicate in proper order, buffer water tank 22 is holding water tank, specifically is double-deck cavity stainless steel water tank. The buffer water tank 22 can store part of hot water from the gas water heater and preserve heat of the hot water, and the hot water can be directly called when water is needed next time, so that the heating pipe 28 is prevented from directly heating cold water with high power when a tap is turned on, and the energy consumption is reduced.
In this embodiment, as shown in fig. 4, the flow switch 25, the first temperature control switch and the second temperature control switch are connected in parallel. The conditions of the water outlet temperature and the water inlet are set, namely the water temperature of the water inlet is lower than the range set on the temperature control switch, and the middle heater starts to work.
In addition, as shown in fig. 1, a touch screen 13 for adjusting and displaying a preset temperature is installed on an outer wall of the housing 11. The control intuitiveness and the operation convenience are improved.
In this embodiment, a temperature control method for a mid-type fast hot water apparatus is further provided, which specifically includes the following steps:
step1 heating in cold water:
the flow switch 25 obtains the flowing state of water flow at the water inlet, and controls the heating pipe 28 to heat in combination with the water temperature state at the water inlet obtained by the first thermocouple 261; since the temperature t1 of the cold water is necessarily lower than the preset temperature of the first temperature control switch when the cold water flows into the water inlet at the beginning, the heating pipe 28 needs to start working to heat the cold water once the flow switch 25 detects the water flow;
step2 water temperature detection:
when the heating pipe 28 is heated, the first thermocouple 261 continuously obtains the water temperature t at the water inlet at equal intervalsiI is the time corresponding to different temperatures of the water inlet;
step3 target temperature check:
the first thermocouple 261 is used for acquiring the water temperature t of the water inletiPerforming range calculation of adjacent data, wherein delta t is | ti-ti-1Taking a plurality of groups of pole difference values delta t continuous before the current moment, and calculating the average value of the pole difference values delta t
And according to
ComputingThe standard deviation a of the set of data,
wherein n is the selected group number of the polar difference value delta t, and the water temperature t of the water inlet is judged according to the numerical value of the standard deviation sigmaiWhether the temperature is a target temperature value;
if sigma is more than or equal to 0 and less than or equal to 0.5, performing Step4 temperature correction, and showing that the water temperature of the water inlet is constant and is the set temperature of the gas water heater, namely the heating target temperature of the centrally-mounted quick-water-outlet hot water device;
if the sigma is more than 0.5, returning to execute Step2 water temperature detection, and showing that the water temperature at the water inlet is not constant at the moment, the water flowing into the water inlet is the water initially heated by the gas water heater and does not reach the set temperature of the gas water heater, and at the moment, continuing auxiliary heating by the middle-mounted quick-water-outlet device;
step4 temperature correction:
extracting a plurality of groups of water temperatures t corresponding to the standard deviation sigmaiCalculating the average water temperature T, namely the target water temperature value T0Based on the target water temperature value T0Correcting the preset temperature value T of the first temperature control switch1And a preset temperature value T of the second temperature control switch2Wherein T is1＝T2And a preset temperature value T1And a preset temperature value T2For linkage control, i.e. after setting a temperature value, T is controlled simultaneously1And T2And T is1And T2Keeping consistent;
if T0＝T2Maintaining a predetermined temperature value T2；
If T0≠T2By T0Is replaced by T2Generating a new preset temperature value T2。
In this embodiment, the water temperature control of the mid-type fast hot water apparatus is an intelligent control, i.e. the pilot control mode is a preset temperature value T1And T2However, the set temperature of the terminal gas water heater will vary with the season and the individual habit, so the target temperature and the middle type fast-out water heaterThe preset temperature of the water heating device will be different, if the set temperature on the gas water heater is lower than the preset temperature of the quick water heating device, the quick water heating device can be heated all the time, energy can be wasted, actual use experience can be influenced, the quick water heating device is usually installed in a hidden mode, the temperature can be adjusted again, time and labor are wasted, and the user can only adjust the set temperature on the gas water heater and forget the preset temperature of the water heating device. Based on the problem, the temperature control method for the preset temperature of the quick-water-outlet device is intelligent and automatic in adjustment, the temperature of the water inlet is continuously obtained through the first thermocouple 261, calculation statistics and analysis are carried out, the set temperature of the gas water heater in the current use environment is obtained, meanwhile, the preset temperature of the quick-water-outlet device is subjected to adaptive adjustment, the water temperature of the final water outlet is enabled to be consistent with the set temperature of the gas water heater, and the use experience of a user is improved.
In the temperature control method of the embodiment, the number of the sets of the range values Δ t selected by the Step3 target temperature verification does not exceed five sets. The heating pipe 28 of the quick water heater is prevented from working after the water temperature reaches the set temperature on the gas water heater, and the energy consumption is reduced.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The middle-placed fast hot water outlet device is characterized by comprising a fast hot water outlet device body (10) arranged between a gas water heater and a faucet, wherein the fast hot water outlet device body (10) comprises a shell (11) with an opening at one end and a back plate (12) arranged at the opening end of the shell (11), a water inlet pipe (21), a heating water pipe (23) and a water outlet pipe (24) which are sequentially communicated are arranged in the shell (11), a heating pipe (28) is arranged in the heating water pipe (23), a first thermocouple (261) and a flow switch (25) are arranged on a pipe body of the water inlet pipe (21), the first thermocouple (261) is electrically connected with a first temperature control switch, the first temperature control switch is electrically connected with the heating pipe (28), a second thermocouple (262) is arranged on the pipe body of the water outlet pipe (24), and the second thermocouple (262) is electrically connected with a second temperature control switch, the second temperature control switch is electrically connected with the heating pipe (28);
the temperature control method of the centrally-mounted fast-water-outlet hot water device comprises the following steps:
step1 heating in cold water:
the flow switch (25) acquires the flowing state of water flow at the water inlet, and controls the heating pipe (28) to heat in combination with the water temperature state acquired by the first thermocouple (261) at the water inlet;
step2 water temperature detection:
when the heating pipe (28) is heated, the first thermocouple (261) continuously obtains the water temperature t of the water inlet at equal intervalsiI is the time corresponding to different temperatures of the water inlet;
step3 target temperature check:
a first thermocouple (261) is used for acquiring the water temperature t of the water inletiPerforming range calculation of adjacent data to obtain Δ t ═ non-linear luminanceti-ti-1Taking a plurality of groups of pole difference values delta t continuous before the current moment, and calculating the average value of the pole difference values delta t
And according to
The standard deviation a is calculated and,
wherein n is the selected group number of the polar difference value delta t, and the water temperature t of the water inlet is judged according to the numerical value of the standard deviation sigmaiWhether the temperature is a target temperature value;
if sigma is more than or equal to 0 and less than or equal to 0.5, performing Step4 temperature correction, and showing that the water temperature of the water inlet is constant and is the set temperature of the gas water heater, namely the heating target temperature of the centrally-mounted quick-water-outlet hot water device;
if the sigma is larger than 0.5, returning to execute Step2 water temperature detection, and showing that the water temperature of the water inlet is not constant at the moment;
step4 temperature correction:
extracting a plurality of groups of water temperatures t corresponding to the standard deviation sigmaiCalculating the average water temperature T, namely the target water temperature value T0Based on the target water temperature value T0Correcting the preset temperature value T of the first temperature control switch1And a preset temperature value T of the second temperature control switch2Wherein T is1＝T2And a preset temperature value T1And a preset temperature value T2For linkage control, i.e. after setting a temperature value, T is controlled simultaneously1And T2And T is1And T2Keeping consistent;
if T0＝T2Maintaining a predetermined temperature value T2；
If T0≠T2By T0Is replaced by T2Generating a new preset temperature value T2。
2. The centrally-mounted fast hot water discharging device according to claim 1, wherein a buffer water tank (22) is further disposed between the water inlet pipe (21) and the heating water pipe (23), the water inlet pipe (21), the buffer water tank (22) and the heating water pipe (23) are sequentially communicated, and the buffer water tank (22) is a heat preservation water tank.
3. The mid-mounted fast-water-discharging device according to claim 2, wherein the buffer tank (22) is a double-layered hollow stainless steel tank.
4. The centrally-mounted fast-water-outlet device according to claim 3, wherein the control circuits of the flow switch (25), the first temperature-controlled switch and the second temperature-controlled switch are connected in parallel.
5. The centrally-mounted fast-water-outlet device according to claim 4, wherein a touch screen (13) for adjusting and displaying the preset temperature is mounted on the outer wall of the housing (11).
6. The centrally-mounted fast-water-discharging device according to claim 1, wherein the number of sets of range values Δ t selected in the Step3 target temperature verification does not exceed five sets.
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| CN201680570U (en) * | 2010-04-02 | 2010-12-22 | 奥特朗电器（广州）有限公司 | Electric water heater used with solar water heater |
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| US20080251593A1 (en) * | 2007-04-12 | 2008-10-16 | Brandt Richard F | Natural or propane gas feed auxiliary electric generating system for boilers or furnaces |
| CN101373101A (en) * | 2007-08-23 | 2009-02-25 | 上海甲秀工业设计有限公司 | Gas water heater used for combining with immediately-heating water heater |
| CN202149533U (en) * | 2011-06-09 | 2012-02-22 | 赵华 | Instantaneous heating fuel gas wall-hung boiler capable of storing water |
| CN202403331U (en) * | 2012-01-10 | 2012-08-29 | 马晓琪 | Electricity and gas combined water heater |
| CN103307734B (en) * | 2013-06-28 | 2015-08-12 | 宋景涛 | A kind of gas heater of instant-heating and outlet hot |
| CN104633907B (en) * | 2015-01-16 | 2018-08-17 | 芜湖美的厨卫电器制造有限公司 | The electric complementary hot-water system of combustion |
| CN104676892B (en) * | 2015-02-10 | 2017-10-27 | 芜湖美的厨卫电器制造有限公司 | Electric heater and the electric complementary hot-water system of combustion and its control method |
| CN205002345U (en) * | 2015-08-18 | 2016-01-27 | 芜湖美的厨卫电器制造有限公司 | Gas -electricity complementary water heating system |
| CN207073942U (en) * | 2017-07-22 | 2018-03-06 | 湘潭精工仪电科技有限公司 | It is precious to save kitchen |
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