CN207741373U - A kind of water-saving discharging device based on the circulatory system - Google Patents
A kind of water-saving discharging device based on the circulatory system Download PDFInfo
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- CN207741373U CN207741373U CN201721478448.XU CN201721478448U CN207741373U CN 207741373 U CN207741373 U CN 207741373U CN 201721478448 U CN201721478448 U CN 201721478448U CN 207741373 U CN207741373 U CN 207741373U
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- Prior art keywords
- water
- solenoid valve
- recovery tank
- boiler
- circulatory system
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Abstract
The utility model belongs to heat recovery technical field more particularly to a kind of water-saving discharging device based on the circulatory system.Described device includes the normally open solenoid valve being linked in sequence, boiler, normally closed solenoid valve 1, recovery tank and normally closed solenoid valve 2;The mounting height of recovery tank is higher than the mounting height of boiler, and water level sensor is installed at recovery tank, water pipe above boiler is water inlet, it is connected with running water pipe by normally open solenoid valve, water pipe below boiler is water outlet, one section of return pipe of connection between the tap of temperature sensor and recovery tank is installed below boiler, and normally closed solenoid valve 1 is installed on return pipe, a water outlet is arranged in the recovery tank bottom, it is connected to the water inlet of boiler by normally closed solenoid valve 2, constitutes the water-saving circulating system of a closure.The utility model considers the cold water waste problem remained in hot-water line, and the remaining cold water in water pipe is recycled, the cold water saving in hot water demand is realized.
Description
Technical field
The utility model belongs to heat recovery technical field more particularly to a kind of water-saving water outlet based on the circulatory system
Device.
Background technology
Current all kinds of water heaters both at home and abroad are broadly divided into combustion type and electrothermal two major classes, existing combustion type and electric-heating heat
Hydrophone is mainly using energy saving and constant-temperature effluent as goal in research.Such as:Electrothermic water heater uses conversion system, not only energy saving but also efficient
Ground is quickly heated to flowing through the cold water in water heater, to ensure that water discharging time is short and water temperature is maintained at preset temperature.
Instant electric water heater is the main study subject of current research personnel.Instant electric water heater is also known as Quick-action type or quick-heating type
Electric heater, be it is a kind of component being heated by electronics quickly to heat cold water, and can by circuit control water temperature, flow velocity,
Power etc. makes water temperature reach the water heater of the temperature of suitable human body bathing.Its feature is:Cold water superheated water goes out, instant-heating,
Without waiting for can usually start heating in a few seconds.Instant electric water heater is added using the mode of heating directly conducted
Heat, since heating element is placed in the slot of frid, when cold water flows through snakelike sink just can directly through heating element surface and
It is heated.Although the development of instant electric water heater technically is ripe, there are still defects as described below:Its
One, instant electric water heater's power is bigger, and loss is larger;Second, line requirements are high.Instant electric water heater needs 4 squares
Millimeter or more copper core or 40A ammeter.Third, the problem of being wasted for cold water in hot water demand, is concentrated mainly on i.e.
Heated electric water heater.Since user often also has one section of longer overflow pipe between installation water heater position and hot water tap,
And the flow in this section of water pipe is within the heated perimeter of water heater, and do not needed by user, it has thereby resulted in and has remained in heat
Cold water in water pipe wastes problem.Combustion type and Electrothermic water heater do not consider the remaining cold water saving in water pipe at present, with
Whole people's consciousness of saving water and the raising to being required with water quality, research direction has started gradually to remain in hot-water line to saving
Cold water extend.
Utility model content
In view of the above-mentioned problems, in order to realize the cold water saving in hot water demand, the utility model proposes one kind based on cycle
The water-saving discharging device of system, including:The normally open solenoid valve that is linked in sequence, boiler, normally closed solenoid valve 1, recovery tank and normally closed
Solenoid valve 2;The mounting height of the recovery tank is higher than the mounting height of boiler, and water level sensor is installed at recovery tank,
Water pipe above boiler is water inlet, is connected with running water pipe by normally open solenoid valve, and the water pipe below boiler is water outlet
Mouthful, the tap through being equipped with temperature sensor exports for users to use, and a water outlet is arranged in the recovery tank bottom, by normal
The water inlet that solenoid valve 2 is connected to boiler is closed, the water-saving circulating system of a closure is constituted.
The recovery tank is for storing the cold water to flow back temporarily.
The normally closed solenoid valve is for controlling the into and out recovery tank of flow.
The temperature sensor is for the water flow temperature at real-time detection tap.
Water level of the water level sensor for monitoring recovery tank in real time, prevents water level too high or too low.
The model DS18B20 of the temperature sensor realizes microprocessor and temperature sensor using one-wire interface
Both-way communication.
The operating voltage of the water level sensor is DC5V, is exported using analog signals output or digital quantity signal.
The operating voltage of the normally opened/normally closed solenoid valve is AC220V, the use of fluid is in empty gas and water, oily three kinds of fluids
It is any.
The beneficial effects of the utility model are:
The utility model proposes a kind of water-saving discharging device based on the circulatory system, it is contemplated that remain in hot-water line
Cold water wastes problem, and the remaining cold water in water pipe is recycled, the cold water saving in hot water demand is realized.
Description of the drawings
Attached drawing 1 is the water-saving discharging device structural schematic diagram based on the circulatory system;
Attached drawing 2 is the circulation process figure of the utility model;
Attached drawing 3a is water supply process schematic diagram of the utility model in the normal water supply stage;
Attached drawing 3b is water supply process schematic diagram of the utility model in the refluxing stage stage;
Attached drawing 3c is water supply process schematic diagram of the utility model in the recovery tank water supply stage;
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
Based on the principle of simple and practical and high universality, the utility model installs a set of reflux, structure additional outside water heater
At a water-saving circulating system, the water-saving discharging device structural schematic diagram based on the circulatory system as shown in Figure 1, including:Sequentially
Normally open solenoid valve, boiler, normally closed solenoid valve 1, recovery tank and the normally closed solenoid valve 2 of connection;The recovery tank faces for storing
The cold water of Shi Huiliu, mounting height is higher than the mounting height of boiler, and water level sensor, boiler are installed at recovery tank
The water pipe of top is water inlet, is connected with running water pipe by normally open solenoid valve, and the water pipe below boiler is water outlet, through peace
Tap output equipped with temperature sensor for users to use, connects one section between the tap and recovery tank below boiler
Return pipe, and normally closed solenoid valve 1 is installed on return pipe, a water outlet is arranged in the recovery tank bottom, passes through normally closed solenoid valve 2
It is connected to the water inlet of boiler, constitutes the water-saving circulating system of a closure.Wherein, normally closed solenoid valve is flowed into for controlling water
Enter or flow out recovery tank;Temperature sensor is for the water flow temperature at real-time detection tap;Water level sensor for supervising in real time
The water level of survey time water tank prevents water level too high or too low.
Attached drawing 2 is the circulation process figure of the utility model, as shown in Fig. 2, the circulatory system is divided into three phases, respectively
Normal water supply stage, refluxing stage and recovery tank supply water the stage;
In the normal water supply stage, water supply process is as shown in Figure 3a, and all solenoid valves power off, from running water pipe to water heater
It supplies water, after water heater heats for users to use.
In refluxing stage, water supply process is as shown in Figure 3b, and user presses backwater switch, and temperature sensor detects current flow
Temperature starts normally closed solenoid valve 1 if water temperature is not up to sets requirement, so that normally closed solenoid valve 1 is connected, at this time in microcontroller control
Under system, cold water will be flowed into recovery tank by return pipe in pipe, the hot water stream oral siphon in water heater, when temperature sensor detects heat
The water level that coolant-temperature gage rises to setting value or water level sensor detection recovery tank stops reflux, device when rising to setting value
It prompts user that can use water, enters recovery tank at this time and supply water the stage.It needs rationally to be selected according to user's actual conditions in practical applications
Select return water tankage.
It supplies water the stage in recovery tank, water supply process is as shown in Figure 3c, and normally closed solenoid valve 1 is closed, normally closed solenoid valve 2 and normally opened
Solenoid valve is connected, and keeps normally closed solenoid valve 2 in the conduction state, normally open solenoid valve is in closed state, is stored in recovery tank at this time
Cold water flow into boiler, and running water pipe water is isolated by normally open solenoid valve, cannot be introduced into boiler, i.e., by being preserved in recovery tank
Water replace running water pipe in water supply water, when the water level sensor in recovery tank detect water level be less than setting value when, will stop
Non-return cistern water supply is supplied water into the normal water supply stage by running water pipe.
Embodiment 1
Due to water flow velocity difference, while hot and cold water mixed effect is also different in water pipe, and the present embodiment is in different use conditions
Under (such as length of pipe, hot and cold water temperature difference, water flow velocity etc.) test experiments are carried out to the utility model, for simulated domestic ring
Border, while considering cost-effective, the present embodiment simplifies the original boiler of user, during the experiment into boiler
Hot water is passed directly into replace boiler heating function.In addition, in order to detect temperature in water pipe, the present embodiment preferably uses close
The temperature sensor DS18B20 of envelope, the technology of temperature sensor and normally opened/normally closed solenoid valve, water level sensor in model
Parameter is as described below:
1.DS18B20 temperature sensors
(1) voltage range:3.0~5.5V;It is wider to adapt to voltage range, can be supplied by data line under parasite power mode
Electricity;
(2) unique one-wire interface mode, DS18B20 only need a mouth line can be realized when being connect with microprocessor
The both-way communication of microprocessor and DS18B20;
(3) DS18B20 supports multiple spot networking function, multiple DS18B20 that can be connected in parallel on unique three line, realizes networking
Multi-point temperature measurement;
(4) DS18B20 does not need any peripheral cell in use, whole sensing elements and conversion circuit be integrated in shaped like
In the integrated circuit of one triode;
(5) warm -55 DEG C~+125 DEG C of range, at -10~+85 DEG C, precision is ± 0.5 DEG C;
(6) programmable resolution ratio is 9~12, and corresponding distinguishable temperature is respectively 0.5 DEG C, 0.25 DEG C, 0.125 DEG C
With 0.0625 DEG C, it can be achieved that high precision measuring temperature;
(7) temperature transition it is number at most in 93.75ms in 9 bit resolution, when 12 bit resolution at most exists
Temperature value is converted to number in 750ms, speed is faster;
(8) measurement result directly exports digital temperature signal, is serially transferred to CPU with " one-wire bus ", can transmit simultaneously
Cyclic redundancy check has extremely strong anti-interference error-correcting ability;
(9) negative pressure characteristic:When electric power polarity is reversed, chip will not be burnt because of fever, but cisco unity malfunction.
2, normally opened/normally closed solenoid valve
(1) valve body material:Brass
(2) fluid is used:Empty gas and water, oil
(3) pattern:Normally closed type is (i.e.:It is powered and opens, power-off is closed;)
(4) voltage:AC220V
(5) pore diameter:1/2 " (i.e.:4 points)
(6) flow aperture:16mm
(7) oil sealing material:NBR
(8) pressure:0~1.0mpa
(9) fluid temperature (F.T.):- 5~80 DEG C
(10) power:4W
3, water level sensor
(1) operating voltage:DC5V (or 12V/24V)
(2) operating current:<10MA
(3) way of output one:Simulation output 0-4.5V
(4) way of output two:High/low level signal output
(5) response time:<500ms
(6) insulation resistance:100MΩ
(7) operating temperature:- 30~80 DEG C
(8) working relative humidity:0-100%RH
(9) fire resistance characteristic:Hermetically sealed waterproofing design
(10) mounting means:M15*12 circular holes
(11) wire length:0.5 meter
(12) weight:30g
(13) size:30mm*20mm*12mm
Experimental procedure is as described below:
Step 1:The water in water tank and water pipe is emptied, to exclude influence of original residual water to experimental result.
Step 2:Pour into 1L, 1.5L cold water successively into water tank.Temperature in cold water temperature, that is, room temperature downcomer;It is pre- successively
If it is 33 DEG C, 35 DEG C that reflux, which terminates water temperature,.
Step 3:Reflux is opened, constant 60 DEG C of hot water is passed through to water inlet, simulates practical boiler water outlet.And it records
The time required to starting the volume for being discharged into recovery tank at the end of being back to reflux and reflux.
Step 4:The process of step 1- steps 3 is repeated 5 times, is averaged as experimental result.
Experimental result is as shown in Table 1 and Table 2:
1 water discharging time of table counts (unit:Second)
2 water-saving volume of table counts (unit:Milliliter)
The experimental results showed that the utility model proposes a kind of water-saving discharging device based on the circulatory system, make full use of
Remaining cold water in water pipe is recycled, and realizes the cold water saving in hot water demand.
This embodiment is only the preferable specific implementation mode of the utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with
Subject to scope of the claims.
Claims (8)
1. a kind of water-saving discharging device based on the circulatory system, which is characterized in that including:The normally open solenoid valve that is linked in sequence, heat
Water tank, normally closed solenoid valve 1, recovery tank and normally closed solenoid valve 2;The mounting height of the recovery tank is high higher than the installation of boiler
Degree, and water level sensor is installed at recovery tank, the water pipe above boiler is water inlet, passes through normally open solenoid valve and tap water
Pipe is connected, and the water pipe below boiler is water outlet, and the tap through being equipped with temperature sensor exports for users to use, described
A water outlet is arranged in recovery tank bottom, and the water inlet of boiler is connected to by normally closed solenoid valve 2, and composition one is closed water-saving
The circulatory system.
2. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the recovery tank
For storing the cold water to flow back temporarily.
3. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the normally closed electricity
Magnet valve is for controlling the into and out recovery tank of flow.
4. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the temperature passes
Sensor is for the water flow temperature at real-time detection tap.
5. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the water level passes
Water level of the sensor for monitoring recovery tank in real time, prevents water level too high or too low.
6. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the temperature passes
The model DS18B20 of sensor realizes the both-way communication of microprocessor and temperature sensor using one-wire interface.
7. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that the water level passes
The operating voltage of sensor is DC5V, is exported using analog signals output or digital quantity signal.
8. a kind of water-saving discharging device based on the circulatory system according to claim 1, which is characterized in that it is described it is normally opened/
The operating voltage of normally closed solenoid valve is AC220V, the use of fluid is any one of empty gas and water, oily three kinds of fluids.
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CN201721478448.XU CN207741373U (en) | 2017-11-08 | 2017-11-08 | A kind of water-saving discharging device based on the circulatory system |
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CN201721478448.XU CN207741373U (en) | 2017-11-08 | 2017-11-08 | A kind of water-saving discharging device based on the circulatory system |
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CN201721478448.XU Expired - Fee Related CN207741373U (en) | 2017-11-08 | 2017-11-08 | A kind of water-saving discharging device based on the circulatory system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458738A (en) * | 2018-11-15 | 2019-03-12 | 权杰 | A kind of water heater tap of water-saving and environmental protection |
CN109469158A (en) * | 2018-11-15 | 2019-03-15 | 汪毅 | A kind of high-efficiency water-saving shower bath |
CN109612079A (en) * | 2018-12-04 | 2019-04-12 | 上海工业自动化仪表研究院有限公司 | Water-saving gas heater device |
CN110448172A (en) * | 2019-09-20 | 2019-11-15 | 佛山市顺德区美的饮水机制造有限公司 | For heating the device and drinking equipment of drinking liquid |
-
2017
- 2017-11-08 CN CN201721478448.XU patent/CN207741373U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458738A (en) * | 2018-11-15 | 2019-03-12 | 权杰 | A kind of water heater tap of water-saving and environmental protection |
CN109469158A (en) * | 2018-11-15 | 2019-03-15 | 汪毅 | A kind of high-efficiency water-saving shower bath |
CN109612079A (en) * | 2018-12-04 | 2019-04-12 | 上海工业自动化仪表研究院有限公司 | Water-saving gas heater device |
CN109612079B (en) * | 2018-12-04 | 2024-03-05 | 上海工业自动化仪表研究院有限公司 | Water-saving gas water heater device |
CN110448172A (en) * | 2019-09-20 | 2019-11-15 | 佛山市顺德区美的饮水机制造有限公司 | For heating the device and drinking equipment of drinking liquid |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |