CN105066432A - Hot water system, constant temperature device and control method of constant temperature device - Google Patents
Hot water system, constant temperature device and control method of constant temperature device Download PDFInfo
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- CN105066432A CN105066432A CN201510468127.0A CN201510468127A CN105066432A CN 105066432 A CN105066432 A CN 105066432A CN 201510468127 A CN201510468127 A CN 201510468127A CN 105066432 A CN105066432 A CN 105066432A
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Abstract
The invention discloses a constant temperature device which comprises a water storage device, a constant temperature assembly, a first detection module, a second detection module, a third detection module and a control module. The water storage device is internally provided with a heater. A first water inlet of the constant temperature assembly is connected with a water outlet of the water storage device; a second water inlet of the constant temperature assembly is externally connected with a water supply pipe; and a water outlet of the constant temperature assembly is used for being externally connected with a water use end. The first detection module is used for detecting the water temperature of the water outlet of the constant temperature assembly. The second detection module is used for detecting the temperature of the first water inlet of the constant temperature assembly. The third detection module is used for detecting the temperature of the second water inlet of the constant temperature assembly. The control module is used for controlling the constant temperature assembly according to the temperature of the water outlet, the temperature of the first water inlet and the temperature of the second water inlet so as to adjust the water inlet proportions of the first water inlet and the second water inlet, and therefore the water temperatures of the water outlets can meet the water use demands at the water use end. The constant temperature device can automatically adjust the water outlet temperature according to the water temperature needed by a user and keep the water outlet temperature constant. The invention further discloses a hot water system and a control method of the constant temperature device.
Description
Technical field
The present invention relates to hot water system technology field, particularly the control method of a kind of thermostat, a kind of hot-water heating system and a kind of thermostat.
Background technology
At present, a lot of cold water need be bled off when gas heater is used alone and could obtain hot water, and in use water temperature is easily sometimes hot and sometimes cold; Solar water heater also needs to bleed off a lot of cold water, and the general temperature of hot water that solar water heater exports is all very high, when exporting through overmulling water valve, because the pressure differential between hot and cold water is comparatively large, is difficult to lower water temperature is temperature required to user; For air-source water heater or wall hot water device, general needs manually or automatic water-mixing valve mix water, manually mixed water valve needs user's manual adjustments, use inconvenience, if adopt domestic automatic water-mixing valve, the then sometimes hot and sometimes cold phenomenon of the constant not easy appearance of leaving water temperature, and if adopt external mixed water valve, then by adding users cost.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.For this reason, one object of the present invention is that proposing one according to the automatic adjusting water outlet temperature of water temperature needed for user, and can keep the thermostat of effluent temperature constancy.
Another object of the present invention is to propose a kind of hot-water heating system.Another object of the present invention is the control method proposing a kind of thermostat.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of thermostat, comprising: water storage device, is provided with heater in described water storage device, and the water inlet of described water storage device is used for external hot water facility; Thermostatic assembly, the first water inlet of described thermostatic assembly is connected with the delivery port of described water storage device, the external feed pipe of the second water inlet of described thermostatic assembly, and the delivery port of described thermostatic assembly is used for external water end (W.E.); First detection module, described first detection module is arranged on the water outlet of described thermostatic assembly to detect the delivery port water temperature of described thermostatic assembly; Second detection module, described second detection module is arranged on the first water inlet of described thermostatic assembly to detect the first water inlet temperature of described thermostatic assembly; 3rd detection module, described 3rd detection module is arranged on the second water inlet of described thermostatic assembly to detect the second water inlet temperature of described thermostatic assembly; Control module, described control module is connected with described 3rd detection module with described thermostatic assembly, described first detection module, described second detection module respectively, described control module controls described thermostatic assembly with the water inlet ratio of the first water inlet and the second water inlet that regulate described thermostatic assembly according to described delivery port water temperature, described first water inlet temperature and described second water inlet temperature, meets the water demand of described water end (W.E.) to make described delivery port water temperature.
According to the thermostat of the embodiment of the present invention, heater is provided with in water storage device, the water inlet of water storage device is used for external hot water facility, first water inlet of thermostatic assembly is connected with the delivery port of water storage device, the external feed pipe of second water inlet of thermostatic assembly, the delivery port of thermostatic assembly is used for external water end (W.E.), first detection module is arranged on the water outlet of thermostatic assembly to detect the delivery port water temperature of thermostatic assembly, second detection module is arranged on the first water inlet of thermostatic assembly to detect the first water inlet temperature of thermostatic assembly, 3rd detection module is arranged on the second water inlet of thermostatic assembly to detect the second water inlet temperature of thermostatic assembly, control module respectively with thermostatic assembly, first detection module, second detection module is connected with the 3rd detection module, control module is according to delivery port water temperature, first water inlet temperature and the second water inlet temperature control thermostatic assembly with the water inlet ratio of the first water inlet of regulating thermostatic assembly and the second water inlet, the water demand using water end (W.E.) is met to use outlet water temperature.Therefore, the thermostat of the embodiment of the present invention can according to the automatic adjusting water outlet temperature of water temperature needed for user, and keep effluent temperature constancy, meet consumers' demand, thus efficiently solve and need release a lot of cold water when being used alone gas heater or solar water heater and could obtain hot water, avoiding the water temperature over-high of solar water heater simultaneously and scald user, in addition, also effectively prevent the drawback that user brings by using mixed water valve manually or automatically.
According to one embodiment of present invention, described first detection module is also for detecting the delivery port discharge of described thermostatic assembly, wherein, when described delivery port discharge is greater than the first preset flow and described delivery port water temperature is greater than the first temperature threshold, or when described delivery port discharge is greater than described first preset flow and described delivery port water temperature is less than the second temperature threshold, the delivery port that described control module controls described thermostatic assembly is closed, wherein, described first temperature threshold is greater than described second temperature threshold.
According to one embodiment of present invention, above-mentioned thermostat also comprises: the 4th detection module, described 4th detection module is arranged on the water inlet of described water storage device to detect the water inlet water temperature of described water storage device, described 4th detection module is connected with described control module, wherein, when the water inlet water temperature of described water storage device is less than the delivery port water temperature of described thermostatic assembly, described control module controls described heater and opens; When the water inlet water temperature of described water storage device is more than or equal to the delivery port water temperature of described thermostatic assembly, described control module controls described heater and closes.
According to one embodiment of present invention, described 4th detection module is also for detecting the water inlet discharge of described water storage device, wherein, when the water inlet discharge of described water storage device is less than first flow threshold value, described control module heightens the water inlet ratio of the first water inlet of described thermostatic assembly, until the water inlet discharge of described water storage device is more than or equal to described first flow threshold value.
According to one embodiment of present invention, above-mentioned thermostat also comprises: communication module, described communication module is connected with described control module, and described communication module and intelligent terminal carry out the control instruction that wireless telecommunications are sent by described intelligent terminal to receive user, and the operational factor of described thermostat is fed back to described intelligent terminal.
According to one embodiment of present invention, described thermostatic assembly is electronic thermostatic valve.
In addition, embodiments of the invention also proposed a kind of hot-water heating system, and it comprises above-mentioned thermostat.
This hot-water heating system is by above-mentioned thermostat, can according to the automatic adjusting water outlet temperature of water temperature needed for user, and keep effluent temperature constancy, meet consumers' demand, thus efficiently solve and need release a lot of cold water when being used alone gas heater or solar water heater and could obtain hot water, avoiding the water temperature over-high of solar water heater simultaneously and scald user, in addition, also effectively prevent the drawback that user brings by using mixed water valve manually or automatically.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of control method of thermostat, described thermostat comprises water storage device and thermostatic assembly, heater is provided with in described water storage device, the water inlet of described water storage device is used for external hot water facility, first water inlet of described thermostatic assembly is connected with the delivery port of described water storage device, the external feed pipe of second water inlet of described thermostatic assembly, the delivery port of described thermostatic assembly is used for external water end (W.E.), described control method comprises the following steps: the delivery port water temperature detecting described thermostatic assembly, and detect the first water inlet temperature of described thermostatic assembly, and detect the second water inlet temperature of described thermostatic assembly, control described thermostatic assembly with the water inlet ratio of the first water inlet and the second water inlet that regulate described thermostatic assembly according to described delivery port water temperature, described first water inlet temperature and described second water inlet temperature, meet the water demand of described water end (W.E.) to make described delivery port water temperature.
According to the control method of the thermostat of the embodiment of the present invention, first the delivery port water temperature of thermostatic assembly is detected, and detect the first water inlet temperature of thermostatic assembly, and detect the second water inlet temperature of thermostatic assembly, then control thermostatic assembly with the water inlet ratio of the first water inlet of regulating thermostatic assembly and the second water inlet according to delivery port water temperature, the first water inlet temperature and the second water inlet temperature, meet water demand with water end (W.E.) to use outlet water temperature.Therefore, the control method of the thermostat of the embodiment of the present invention according to delivery port water temperature, the first water inlet temperature and the second water inlet temperature automatic adjustment leaving water temperature, and can keep effluent temperature constancy, meets consumers' demand.
According to one embodiment of present invention, the control method of above-mentioned thermostat, also detect the delivery port discharge of described thermostatic assembly, wherein, when described delivery port discharge is greater than the first preset flow and described delivery port water temperature is greater than the first temperature threshold, or when described delivery port discharge is greater than described first preset flow and described delivery port water temperature is less than the second temperature threshold, the delivery port also controlling described thermostatic assembly is closed, wherein, described first temperature threshold is greater than described second temperature threshold.
According to one embodiment of present invention, the control method of above-mentioned thermostat, also detects the water inlet water temperature of described water storage device, wherein, when the water inlet water temperature of described water storage device is less than the delivery port water temperature of described thermostatic assembly, controls described heater and opens; When the water inlet water temperature of described water storage device is more than or equal to the delivery port water temperature of described thermostatic assembly, control described heater and close.
According to one embodiment of present invention, the control method of above-mentioned thermostat, also detect the water inlet discharge of described water storage device, wherein, when the water inlet discharge of described water storage device is less than first flow threshold value, heighten the water inlet ratio of the first water inlet of described thermostatic assembly, until the water inlet discharge of described water storage device is more than or equal to described first flow threshold value.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the thermostat according to the embodiment of the present invention.
Fig. 2 is the block diagram of thermostat according to an embodiment of the invention.
Fig. 3 is the flow chart of the control method of thermostat according to the embodiment of the present invention.
Reference numeral: water storage device 10, heater 11, thermostatic assembly 20, first detection module 30, second detection module 40, the 3rd detection module 50, control module 60, the 4th detection module 70 and communication module 80.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The control method of thermostat, hot-water heating system and the thermostat that the embodiment of the present invention proposes is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the thermostat according to the embodiment of the present invention.As shown in Figure 1, this thermostat comprises: water storage device 10, thermostatic assembly 20, first detection module 30, second detection module 40, the 3rd detection module 50 and control module 60.
Wherein, heater 11 is provided with in water storage device 10, the water inlet of water storage device 10 is used for external hot water facility, first water inlet of thermostatic assembly 20 is connected with the delivery port of water storage device 10, the external feed pipe of second water inlet of thermostatic assembly 20, the delivery port of thermostatic assembly 20 is used for external water end (W.E.), first detection module 30 is arranged on the water outlet of thermostatic assembly 20 to detect the delivery port water temperature of thermostatic assembly 20, second detection module 40 is arranged on the first water inlet of thermostatic assembly 20 to detect the first water inlet temperature of thermostatic assembly 20, 3rd detection module 50 is arranged on the second water inlet of thermostatic assembly 20 to detect the second water inlet temperature of thermostatic assembly 20, control module 60 respectively with thermostatic assembly 20, first detection module 30, second detection module 40 is connected with the 3rd detection module 50, control module 60 is according to delivery port water temperature, first water inlet temperature and the second water inlet temperature control thermostatic assembly 20 with the water inlet ratio of the first water inlet of regulating thermostatic assembly 20 and the second water inlet, the water demand using water end (W.E.) is met to use outlet water temperature.
Particularly, as shown in Figure 1, thermostat has two water inlets and a delivery port, wherein, the water inlet of water storage device 10 is connected with the delivery port of hot water facility as the water inlet of hot water of thermostat, second water inlet of thermostatic assembly 20 is connected with feed pipe as the cold water inlet of thermostat, and the delivery port of thermostatic assembly 20 is connected with water end (W.E.) as the delivery port of thermostat.
Usually thermostat is arranged on near water end (W.E.) to realize hot water instant-heating, and, the water inlet of hot water of thermostat is provided with gas heater, electric heater, the hot water facility such as solar water heater or air-source water heater, thermostat and hot water facility are connected in series, the hot water that hot water facility exports enters water storage device 10 from the water inlet of hot water of thermostat, after heater via 11 heats, thermostatic assembly 20 is entered from the first water inlet of thermostatic assembly 20, after the cold water mix entered with the second water inlet from thermostatic assembly 20, flow to from the delivery port of thermostatic assembly 20 and use water end (W.E.).
Specifically, first user sets leaving water temperature, when user open use water end (W.E.) time, first detection module 30 detects the delivery port water temperature of thermostatic assembly 20, simultaneously, second detection module 40 detects the first water inlet temperature of thermostatic assembly 20, and the 3rd detection module 50 detects the second water inlet temperature of thermostatic assembly 20.When the delivery port water temperature of the thermostatic assembly 20 detected is greater than the leaving water temperature of user's setting, control module 60 is according to the first water inlet temperature of thermostatic assembly 20 and the first water inlet of the second water inlet temperature regulating thermostatic assembly 20 and the water inlet ratio of the second water inlet, as reduced the water inlet ratio of the first water inlet of thermostatic assembly 20, heighten the water inlet ratio of the second water inlet simultaneously; If the delivery port water temperature of thermostatic assembly 20 is less than the leaving water temperature that user is arranged, control module 60 is according to the first water inlet temperature of thermostatic assembly 20 and the first water inlet of the second water inlet temperature regulating thermostatic assembly 20 and the water inlet ratio of the second water inlet, as heightened the water inlet ratio of the first water inlet of thermostatic assembly 20, reduce the water inlet ratio of the second water inlet simultaneously, meet to use outlet water temperature the water demand using water end (W.E.).
Above-mentioned leaving water temperature adjustment process is completed automatically by control module 60, and without the need to user's manual adjustments, and governing speed is very fast, can meet user's actual need.And this thermostat can seamlessly be connected with other hot water facility, without the need to controlling hot water facility, but carry out adjusting water outlet temperature by built-in first detection module 10, second detection module 20 of thermostat and the 3rd detection module 30, ensure effluent temperature constancy, instant-heating, and control precisely.
According to one embodiment of present invention, first detection module 30 is also for detecting the delivery port discharge of thermostatic assembly 20, wherein, when delivery port discharge is greater than the first preset flow and delivery port water temperature is greater than the first temperature threshold, or when delivery port discharge is greater than the first preset flow and delivery port water temperature is less than the second temperature threshold, the delivery port that control module 60 controls thermostatic assembly 20 is closed, and wherein, the first temperature threshold is greater than the second temperature threshold.
Wherein, the first preset flow, the first temperature threshold and the second temperature threshold can be demarcated according to actual conditions.
Specifically, first detection module 30 can be flow temperature sensor.When user open use water end (W.E.) time, first detection module 30 detects delivery port water temperature and the delivery port discharge of thermostatic assembly 20, when delivery port discharge is greater than the first preset flow and delivery port water temperature is greater than the first temperature threshold, the delivery port that control module 60 controls thermostatic assembly 20 is closed, and avoids exporting a large amount of high-temperature-hot-water and scalds user; When delivery port discharge is greater than the first preset flow and delivery port water temperature is less than the second temperature threshold, the delivery port that control module 60 controls thermostatic assembly 20 is closed, avoid exporting a large amount of low-temperature cold water frostbite user, thus ensure that the leaving water temperature of thermostat is suitable, both user can not be scalded, also can not frostbite user, ensure safe water outlet.
According to one embodiment of present invention, as shown in Figure 2, above-mentioned thermostat also comprises the 4th detection module 70,4th detection module 70 is arranged on the water inlet of water storage device 10 to detect the water inlet water temperature of water storage device 10,4th detection module 70 is connected with control module 60, wherein, when the water inlet water temperature of water storage device 10 is less than the delivery port water temperature of thermostatic assembly 20, control module 60 control heater is opened; When the water inlet water temperature of water storage device 10 is more than or equal to the delivery port water temperature of thermostatic assembly 20, control module 60 control heater is closed.
Specifically, heater 11 is provided with in water storage device 10,4th detection module 70 detects the water inlet water temperature of water storage device 10 in real time, when the water inlet water temperature of water storage device 10 is less than the leaving water temperature of user's setting, the heater 11 that control module 60 controls in water storage device 10 is opened, enter the pipeline cold water temperature of water storage device 10 to improve, even if thus ensure have cold water also can not affect the leaving water temperature of thermostat between thermostat and hot water facility; When the water inlet water temperature of water storage device 10 is more than or equal to the leaving water temperature of user's setting, control module 60 control heater 11 is closed.
According to one embodiment of present invention, 4th detection module 70 is also for detecting the water inlet discharge of water storage device 10, wherein, when the water inlet discharge of water storage device 10 is less than first flow threshold value, control module 60 heightens the water inlet ratio of the first water inlet of thermostatic assembly 20, until the water inlet discharge of water storage device 10 is more than or equal to first flow threshold value.
Wherein, first flow threshold value can be demarcated according to actual conditions.Such as, first flow threshold value can be 3L/min.
Specifically, the 4th detection module 70 can be temperature flow sensor.When the external hot water facility of thermostat is gas heater, control module 60 carrys out the opening and closing of control heater 11 except the water inlet water temperature of water storage device 10 detected according to the 4th detection module 70, also regulate according to the water inlet ratio of water inlet discharge to the first water inlet of thermostatic assembly 20 of the water storage device 10 of the 4th detection module 70 detection, to ensure that gas heater can not stop working.
Namely say, when the water inlet discharge of water storage device 10 is less than first flow threshold value as 3L/min, control module 60 heightens the water inlet ratio of the first water inlet of thermostatic assembly 20, until water inlet discharge is more than or equal to first flow threshold value 3L/min, to ensure that gas heater can not be little and flame-out because of discharge.In the process, because gas heater misfires startup, the water temperature in water storage device 10 is reduced, therefore, control module 60 can regulate the water inlet ratio of the second water inlet according to leaving water temperature correspondence, to ensure that thermostat leaving water temperature is met consumers' demand.
According to one embodiment of present invention, as shown in Figure 2, above-mentioned thermostat also comprises communication module 80, communication module 80 is connected with control module 60, and communication module 80 and intelligent terminal carry out the control instruction that wireless telecommunications are sent by intelligent terminal to receive user, and the operational factor of thermostat is fed back to intelligent terminal.
Wherein, communication module 80 comprises the communication modes such as radio frequency, WIFI, bluetooth and Zigbee, and user can select one or more communication modes and intelligent terminal to carry out communication according to actual conditions.When the multiple thermostat of user installation, user can set different leaving water temperatures by intelligent terminal to each thermostat, and can communication mutually between each thermostat, thus together respective operational factor is fed back to intelligent terminal, realize remote monitoring.
According to one embodiment of present invention, thermostatic assembly 20 is electronic thermostatic valve.The leaving water temperature that electronic thermostatic valve can be arranged according to user, the delivery port water temperature of thermostat regulate hot and cold water water inlet ratio automatically, thus accurately control delivery port water temperature.Further, adopt electronic thermostatic valve can make the whole smaller volume of thermostat, be convenient to hide and install.
In sum, according to the thermostat of the embodiment of the present invention, heater is provided with in water storage device, the water inlet of water storage device is used for external hot water facility, first water inlet of thermostatic assembly is connected with the delivery port of water storage device, the external feed pipe of second water inlet of thermostatic assembly, the delivery port of thermostatic assembly is used for external water end (W.E.), first detection module is arranged on the water outlet of thermostatic assembly to detect the delivery port water temperature of thermostatic assembly, second detection module is arranged on the first water inlet of thermostatic assembly to detect the first water inlet temperature of thermostatic assembly, 3rd detection module is arranged on the second water inlet of thermostatic assembly to detect the second water inlet temperature of thermostatic assembly, control module respectively with thermostatic assembly, first detection module, second detection module is connected with the 3rd detection module, control module is according to delivery port water temperature, first water inlet temperature and the second water inlet temperature control thermostatic assembly with the water inlet ratio of the first water inlet of regulating thermostatic assembly and the second water inlet, the water demand using water end (W.E.) is met to use outlet water temperature.Therefore, the thermostat of the embodiment of the present invention can according to the automatic adjusting water outlet temperature of water temperature needed for user, and keep effluent temperature constancy, meet consumers' demand, thus efficiently solve and need release a lot of cold water when being used alone gas heater or solar water heater and could obtain hot water, avoiding the water temperature over-high of solar water heater simultaneously and scald user, in addition, also effectively prevent the drawback that user brings by using mixed water valve manually or automatically.
In addition, embodiments of the invention also proposed a kind of hot-water heating system, and it comprises above-mentioned thermostat.
This hot-water heating system is by above-mentioned thermostat, can according to the automatic adjusting water outlet temperature of water temperature needed for user, and keep effluent temperature constancy, meet consumers' demand, thus efficiently solve and need release a lot of cold water when being used alone gas heater or solar water heater and could obtain hot water, avoiding the water temperature over-high of solar water heater simultaneously and scald user, in addition, also effectively prevent the drawback that user brings by using mixed water valve manually or automatically.
Fig. 3 is the flow chart of the control method of thermostat according to the embodiment of the present invention, wherein, thermostat comprises water storage device and thermostatic assembly, heater is provided with in water storage device, the water inlet of water storage device is used for external hot water facility, first water inlet of thermostatic assembly is connected with the delivery port of water storage device, the external feed pipe of the second water inlet of thermostatic assembly, and the delivery port of thermostatic assembly is used for external water end (W.E.).
Specifically, as shown in Figure 1 or 2, thermostat has two water inlets and a delivery port, wherein, the water inlet of water storage device is connected with the delivery port of hot water facility as the water inlet of hot water of thermostat, second water inlet of thermostatic assembly is connected with feed pipe as the cold water inlet of thermostat, and the delivery port of thermostatic assembly is connected with water end (W.E.) as the delivery port of thermostat.
Usually thermostat is arranged on near water end (W.E.) to realize hot water instant-heating, and, the water inlet of hot water of thermostat is provided with gas heater, electric heater, the hot water facility such as solar water heater or air-source water heater, thermostat and hot water facility are connected in series, the hot water that hot water facility exports enters water storage device from the water inlet of hot water of thermostat, after heater via heating, thermostatic assembly is entered from the first water inlet of thermostatic assembly, after the cold water mix entered with the second water inlet from thermostatic assembly, flow to from the delivery port of thermostatic assembly and use water end (W.E.).
As shown in Figure 3, the control method of thermostat comprises the following steps:
S1, detects the delivery port water temperature of thermostatic assembly, and detects the first water inlet temperature of thermostatic assembly, and detects the second water inlet temperature of thermostatic assembly.
As shown in Figure 1, the delivery port water temperature of thermostatic assembly can be detected by first detection module, be detected the first water inlet temperature of thermostatic assembly by the second detection module, and detect the second water inlet temperature of thermostatic assembly by the 3rd detection module.
S2, controls thermostatic assembly with the water inlet ratio of the first water inlet of regulating thermostatic assembly and the second water inlet according to delivery port water temperature, the first water inlet temperature and the second water inlet temperature, meets water demand with water end (W.E.) to use outlet water temperature.
Particularly, first user sets leaving water temperature, when user open use water end (W.E.) time, first detection module detects the delivery port water temperature of thermostatic assembly, meanwhile, the second detection module detects the first water inlet temperature of thermostatic assembly, and the 3rd detection module detects the second water inlet temperature of thermostatic assembly.When the delivery port water temperature of the thermostatic assembly detected is greater than the leaving water temperature of user's setting, control module is according to the first water inlet temperature of thermostatic assembly and the first water inlet of the second water inlet temperature regulating thermostatic assembly and the water inlet ratio of the second water inlet, as reduced the water inlet ratio of the first water inlet of thermostatic assembly, heighten the water inlet ratio of the second water inlet simultaneously; If the delivery port water temperature of thermostatic assembly is less than the leaving water temperature that user is arranged, control module is according to the first water inlet temperature of thermostatic assembly and the first water inlet of the second water inlet temperature regulating thermostatic assembly and the water inlet ratio of the second water inlet, as heightened the water inlet ratio of the first water inlet of thermostatic assembly, reduce the water inlet ratio of the second water inlet simultaneously, meet to use outlet water temperature the water demand using water end (W.E.).
Above-mentioned leaving water temperature adjustment process is completed automatically by control module, and without the need to user's manual adjustments, and governing speed is very fast, can meet user's actual need.And this thermostat can seamlessly be connected with other hot water facility, without the need to controlling hot water facility, but carrying out adjusting water outlet temperature by first detection module, the second detection module and the 3rd detection module that thermostat is built-in, ensureing effluent temperature constancy, instant-heating, and control precisely.
According to one embodiment of present invention, the control method of above-mentioned thermostat also detects the delivery port discharge of thermostatic assembly, wherein, when delivery port discharge is greater than the first preset flow and delivery port water temperature is greater than the first temperature threshold, or when delivery port discharge is greater than the first preset flow and delivery port water temperature is less than the second temperature threshold, the delivery port also controlling thermostatic assembly is closed, and wherein, the first temperature threshold is greater than the second temperature threshold.
Specifically, first detection module can be flow temperature sensor.When user open use water end (W.E.) time, first detection module detects delivery port water temperature and the delivery port discharge of thermostatic assembly, when delivery port discharge is greater than the first preset flow and delivery port water temperature is greater than the first temperature threshold, the delivery port that control module controls thermostatic assembly is closed, and avoids exporting a large amount of high-temperature-hot-water and scalds user; When delivery port discharge is greater than the first preset flow and delivery port water temperature is less than the second temperature threshold, the delivery port that control module controls thermostatic assembly is closed, avoid exporting a large amount of low-temperature cold water frostbite user, thus ensure that the leaving water temperature of thermostat is suitable, both user can not be scalded, also can not frostbite user, ensure safe water outlet.
According to one embodiment of present invention, the control method of above-mentioned thermostat also detects the water inlet water temperature of water storage device, and wherein, when the water inlet water temperature of water storage device is less than the delivery port water temperature of thermostatic assembly, control heater is opened; When the water inlet water temperature of water storage device is more than or equal to the delivery port water temperature of thermostatic assembly, control heater is closed.
Specifically, as shown in Figure 2, heater is provided with in water storage device, the water inlet water temperature of water storage device can be detected in real time by the 4th detection module, when the water inlet water temperature of water storage device is less than the leaving water temperature of user's setting, the heater that control module controls in water storage device is opened, to improve the pipeline cold water temperature entering water storage device, even if thus ensure have cold water also can not affect the leaving water temperature of thermostat between thermostat and hot water facility; When the water inlet water temperature of water storage device is more than or equal to the leaving water temperature of user's setting, control module control heater is closed.
According to one embodiment of present invention, the control method of above-mentioned thermostat also detects the water inlet discharge of water storage device, wherein, when the water inlet discharge of water storage device is less than first flow threshold value, heighten the water inlet ratio of the first water inlet of thermostatic assembly, until the water inlet discharge of water storage device is more than or equal to first flow threshold value.
Specifically, the 4th detection module can be temperature flow sensor.When the external hot water facility of thermostat is gas heater, control module carrys out the opening and closing of control heater except the water inlet water temperature of water storage device detected according to the 4th detection module, also regulate according to the water inlet ratio of water inlet discharge to the first water inlet of thermostatic assembly of the water storage device of the 4th detection module detection, to ensure that gas heater can not stop working.
Namely say, when the water inlet discharge of water storage device is less than first flow threshold value as 3L/min, control module heightens the water inlet ratio of the first water inlet of thermostatic assembly, until water inlet discharge is more than or equal to first flow threshold value 3L/min, to ensure that gas heater can not be little and flame-out because of discharge.In the process, because gas heater misfires startup, the water temperature in water storage device is reduced, therefore, control module can regulate the water inlet ratio of the second water inlet according to leaving water temperature correspondence, to ensure that thermostat leaving water temperature is met consumers' demand.
In addition, in the control method of above-mentioned thermostat, the leaving water temperature of thermostat can also be set by one or more in the communication modes such as radio frequency, WIFI, bluetooth and Zigbee, and receive the operational factor of thermostat.Such as, when the multiple thermostat of user installation, user can set different leaving water temperatures by intelligent terminal to each thermostat, and also can communication mutually between each thermostat, thus together respective operational factor is fed back to intelligent terminal, realize remote monitoring.
According to the control method of the thermostat of the embodiment of the present invention, first the delivery port water temperature of thermostatic assembly is detected, and detect the first water inlet temperature of thermostatic assembly, and detect the second water inlet temperature of thermostatic assembly, then control thermostatic assembly with the water inlet ratio of the first water inlet of regulating thermostatic assembly and the second water inlet according to delivery port water temperature, the first water inlet temperature and the second water inlet temperature, meet water demand with water end (W.E.) to use outlet water temperature.Therefore, the control method of the thermostat of the embodiment of the present invention according to delivery port water temperature, the first water inlet temperature and the second water inlet temperature automatic adjustment leaving water temperature, and can keep effluent temperature constancy, meets consumers' demand.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (11)
1. a thermostat, is characterized in that, comprising:
Water storage device, is provided with heater in described water storage device, and the water inlet of described water storage device is used for external hot water facility;
Thermostatic assembly, the first water inlet of described thermostatic assembly is connected with the delivery port of described water storage device, the external feed pipe of the second water inlet of described thermostatic assembly, and the delivery port of described thermostatic assembly is used for external water end (W.E.);
First detection module, described first detection module is arranged on the water outlet of described thermostatic assembly to detect the delivery port water temperature of described thermostatic assembly;
Second detection module, described second detection module is arranged on the first water inlet of described thermostatic assembly to detect the first water inlet temperature of described thermostatic assembly;
3rd detection module, described 3rd detection module is arranged on the second water inlet of described thermostatic assembly to detect the second water inlet temperature of described thermostatic assembly;
Control module, described control module is connected with described 3rd detection module with described thermostatic assembly, described first detection module, described second detection module respectively, described control module controls described thermostatic assembly with the water inlet ratio of the first water inlet and the second water inlet that regulate described thermostatic assembly according to described delivery port water temperature, described first water inlet temperature and described second water inlet temperature, meets the water demand of described water end (W.E.) to make described delivery port water temperature.
2. thermostat as claimed in claim 1, it is characterized in that, described first detection module is also for detecting the delivery port discharge of described thermostatic assembly, wherein, when described delivery port discharge is greater than the first preset flow and described delivery port water temperature is greater than the first temperature threshold, or when described delivery port discharge is greater than described first preset flow and described delivery port water temperature is less than the second temperature threshold, the delivery port that described control module controls described thermostatic assembly is closed, wherein, described first temperature threshold is greater than described second temperature threshold.
3. thermostat as claimed in claim 1, is characterized in that, also comprise:
4th detection module, described 4th detection module is arranged on the water inlet of described water storage device to detect the water inlet water temperature of described water storage device, and described 4th detection module is connected with described control module, wherein,
When the water inlet water temperature of described water storage device is less than the delivery port water temperature of described thermostatic assembly, described control module controls described heater and opens;
When the water inlet water temperature of described water storage device is more than or equal to the delivery port water temperature of described thermostatic assembly, described control module controls described heater and closes.
4. thermostat as claimed in claim 3, is characterized in that, described 4th detection module also for detecting the water inlet discharge of described water storage device, wherein,
When the water inlet discharge of described water storage device is less than first flow threshold value, described control module heightens the water inlet ratio of the first water inlet of described thermostatic assembly, until the water inlet discharge of described water storage device is more than or equal to described first flow threshold value.
5. the thermostat according to any one of claim 1-4, is characterized in that, also comprises:
Communication module, described communication module is connected with described control module, and described communication module and intelligent terminal carry out the control instruction that wireless telecommunications are sent by described intelligent terminal to receive user, and the operational factor of described thermostat is fed back to described intelligent terminal.
6. thermostat as claimed in claim 1, it is characterized in that, described thermostatic assembly is electronic thermostatic valve.
7. a hot-water heating system, is characterized in that, comprises the thermostat according to any one of claim 1-6.
8. the control method of a thermostat, it is characterized in that, described thermostat comprises water storage device and thermostatic assembly, heater is provided with in described water storage device, the water inlet of described water storage device is used for external hot water facility, and the first water inlet of described thermostatic assembly is connected with the delivery port of described water storage device, the external feed pipe of the second water inlet of described thermostatic assembly, the delivery port of described thermostatic assembly is used for external water end (W.E.), and described control method comprises the following steps:
Detect the delivery port water temperature of described thermostatic assembly, and detect the first water inlet temperature of described thermostatic assembly, and detect the second water inlet temperature of described thermostatic assembly;
Control described thermostatic assembly with the water inlet ratio of the first water inlet and the second water inlet that regulate described thermostatic assembly according to described delivery port water temperature, described first water inlet temperature and described second water inlet temperature, meet the water demand of described water end (W.E.) to make described delivery port water temperature.
9. the control method of thermostat as claimed in claim 8, it is characterized in that, also detect the delivery port discharge of described thermostatic assembly, wherein, when described delivery port discharge is greater than the first preset flow and described delivery port water temperature is greater than the first temperature threshold, or when described delivery port discharge is greater than described first preset flow and described delivery port water temperature is less than the second temperature threshold, the delivery port also controlling described thermostatic assembly is closed, wherein, described first temperature threshold is greater than described second temperature threshold.
10. the control method of thermostat as claimed in claim 8, is characterized in that, also detect the water inlet water temperature of described water storage device, wherein,
When the water inlet water temperature of described water storage device is less than the delivery port water temperature of described thermostatic assembly, control described heater and open;
When the water inlet water temperature of described water storage device is more than or equal to the delivery port water temperature of described thermostatic assembly, control described heater and close.
The control method of 11. thermostats as claimed in claim 10, is characterized in that, also detect the water inlet discharge of described water storage device, wherein,
When the water inlet discharge of described water storage device is less than first flow threshold value, heighten the water inlet ratio of the first water inlet of described thermostatic assembly, until the water inlet discharge of described water storage device is more than or equal to described first flow threshold value.
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| CN201510468127.0A CN105066432A (en) | 2015-07-30 | 2015-07-30 | Hot water system, constant temperature device and control method of constant temperature device |
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| CN201510468127.0A CN105066432A (en) | 2015-07-30 | 2015-07-30 | Hot water system, constant temperature device and control method of constant temperature device |
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Application publication date: 20151118 |