CN105627567A - System based on realization of cyclic utilization of liquid - Google Patents

Abstract

The invention discloses a system based on realization of cyclic utilization of liquid. The system comprises a cold-hot-liquid automatic separator, a water pump, electrically operated valves, a safety valve and a control system. The cold-hot-liquid automatic separator communicates with a water inlet pipe and a water outlet pipe of a water heater and a mixing faucet at the same time, the water pump is connected to the water inlet pipe of the water heater in series, the safety valve is connected to a water outlet of the water pump, and the electrically operated valves are connected between the water inlet pipe and the water outlet pipe of the water heater in parallel. The control system is connected with the electrically operated valves and the water pump. Through recycling heating of cold water, the resource waste problem of a centralized heating hot-water system can be effectively solved; automatic control and an intelligent algorithm are introduced, the whole hot-water system is regarded as a control object, and therefore hot water using comfortableness and operation convenience are comprehensively improved; the installation process is simple and convenient, the original structure of the centralized heating hot-water system is not bigly changed, and an original hot water pipeline is not modified.

Description

Based on realizing the system that liquid circulation utilizes

Technical field

The present invention relates to the cold and hot liquid isolation technics of pipeline, be specifically related to a kind of based on realizing the system that liquid circulation utilizes.

Background technology

Along with the raising of social life level, central heating hot-water heating system has been commonly applied in the middle of our life. But central heating hot-water heating system can there is the problem that namely hot spot can exist a segment distance between each water spot, combustion gas class water heater is owing to it is also contemplated that the factor of ventilation, this distance can be bigger, this problem use in hot water process can bring following two in a difficult problem: 1. in the wasting of resources, use and can emit to the cold water pipe network water spot from hot spot during hot water; 2. comfort aspect, during use, hot water is from hot spot to there being the regular hour water spot, is therefore have certain waiting time all the time.

Inquire about according to market survey and technology, presently, there are some technology solving Similar Problems and products. Such as: " hot water preheating return water system ". The mode of its realization is to allow hot water circulate in advance by the mode of timing and remote pilot, and adds the device such as return pipe and check valve in pipeline to circulate needs. But such design has the following problem: 1. pre-buried return pipe brings not convenient greatly to installation, 2. check valve apparatus have to be contained in distance hot spot farthest use water spot position, 3. remote manipulation effect in user experience is poor, 4. timing automatic operation, it is impossible to ensure accurately with hot water demand and cause bigger energy waste.

Meanwhile, some Instant heating type faucet are occurred in that now on the market, it is possible to accomplish distributed water supply and then indirectly solve above-mentioned due to heating cushion and by the pipeline section problem between water spot. But, what this mode was only used for low discharge uses water spot. Illustrate below by simple computation: the peak power of general gas water heater is 20KW, efficiency is 80%, heat production outlet capacity is 12L/Min, temperature raises 25 degrees Celsius, faucet often take 6L/Min by discharge, if with electrical heating, efficiency takes 100%, then temperature raises 25 degrees Celsius of power needed is 8KW. And the distribution load of general family is also with regard to about 8KW, so power on the market is all at below 3KW, such mode of heating certainly will can not meet people for by the demand of hot water flow.

Electrically heated mode cannot meet the demand of the big flow of instant heating all the time, therefore storage type electric water heater is also entering into market very early, but therefore storage type electric water heater also seldom accomplishes distributed use owing to needing a big water tank, but adopt centralized supplying hot water, so still can in the face of same problem.

Following summary can be done: comprehensive economy, convenience, comfortableness by the explanation of example above, the energy of civilian heating is usually electric energy and natural gas, heated by natural gas device is necessarily mounted at ventilation with smoke evacuation flue gas poisoning problem, therefore necessarily for concentrating the mode of heating; And electrical heating generally also adopts due to the impact being subject to the aspects such as supply load, comfortableness, economy is the mode of centralized heating.

Therefore, hot spot that central heating mode is brought and cannot crossing over by the problem that there is pipeline between water spot and retain cold water, at present, also without taking rational means, it is processed.

Summary of the invention

The technical problem to be solved is the hot spot that brings of central heating mode and retains cold water can only bleed off waste with there is pipeline between water spot, purpose is in that to provide a kind of based on realizing the system that liquid circulation utilizes, and solves the hot spot that brings of central heating mode and retains, with there is pipeline between water spot, the problem that cold water can only bleed off waste.

The present invention is achieved through the following technical solutions: based on realizing the system that liquid circulation utilizes, including cold and hot liquid automatic segregator, water pump, electrodynamic valve, relief valve and control system, with the inlet channel of water heater while of described cold and hot liquid automatic segregator, outlet pipe and combustion taps connection, water pump is connected in the inlet channel of water heater, relief valve is connected to the water outlet of water pump, electrodynamic valve can arrange two, electrodynamic valve one is connected in parallel between the water inlet pipe of water heater and outlet pipe, electrodynamic valve two is connected on the gas pipeline of non-constant temp gas water heater, the water heater of all the other application types need not electrodynamic valve two. control system is connected with two electrodynamic valves and water pump simultaneously. water heater and connected water inlet pipe and outlet pipe are all existing structures, water heater can be electrical heating, gas heating, air can heat, the mode such as solar energy heating. as shown in Figure 1, it is common to use the outlet of water heater between the water inlet port of combustion taps, there is a segment pipe distance, be filled with water under normal circumstances here. after opening faucet, the pressure of tube wall is reduced by current, and water heater is lighted and begun to warm up the cold water passing by water heater, but water heater cannot be heated to the hot water between faucet and only emit in vain, simultaneously, we regulate water heater temperature time regulate be temperature stabilization after hot water temperature, but start heated hot water most owing to flow through before for the pipeline of cold water, a part of heat to pass to tube wall, the hot water causing initial outflow can not reach the temperature preset, and the water of this part is generally also and is emitted in vain.

In order to make this part water not be wasted, it is necessary to try every possible means to allow it be used effectively. The method that the design adopts is to allow it again be recycled to after water heater heating through " return pipe " flow out again. Illustrated by the scheme of installation of Fig. 2: 1. in order to guarantee to form closed circuit, it is added without again new pipeline, need to introduce special device: cold and hot liquid automatic segregator is by being connected in parallel on hot-water line respectively by the arrival end side a and b of cold and hot liquid automatic segregator and on cold water pipe, allowing cold water pipe be switching to return pipe by the mode of time-sharing multiplex temporarily. After circulation line is formed, it is necessary in circulation line, to seal in water pump to enable the water in pipeline to circulate. Now it is to ensure that hot water arrives the cold water before separator A port and is recycled to hot spot by the water return pipeline set up temporarily and reheats, it is achieved thereby that the recycling of liquid, it is prevented that the waste of cold water.

Cold and hot liquid automatic segregator includes liquor separator, wire connection between liquor separator and separatory lid, be disposed with valve core case in the inner chamber of liquor separator, spool connects, valve core housing, valve core case is near separatory lid, spool connects to be fixed with valve core case, spool is provided with spool diaphragm in connecing, and connect inwall formation sealing by the edge of spool diaphragm and spool, valve core housing and spool connect fixing, between spool diaphragm and spool connect, it is provided with spool diaphragm resetting-mechanism, and spool diaphragm resetting-mechanism can promote spool diaphragm to move, being disposed with magnetic devices, heat-sensitive mechanism, position-limit mechanism on described valve core housing, magnetic devices, heat-sensitive mechanism, position-limit mechanism are arranged in liquor separator, and between magnetic devices is arranged on heat-sensitive mechanism and spool connects, position-limit mechanism and valve core housing are fixed, the inner chamber of described liquor separator is provided with spool screw rod, thermoregulative mechanism and homoiothermic nut, spool screw rod is T-shaped, homoiothermic spiro cap is combined on the outer wall of spool screw rod, it is wire connection between homoiothermic nut and spool screw rod, spool screw rod sequentially passes through magnetic devices, heat-sensitive mechanism, position-limit mechanism, thermoregulative mechanism, and by homoiothermic nut, it is all forced together, valve core housing is provided with pressure regulator valve, pressure regulator valve is provided with pressure regulator valve resetting-mechanism, pressure regulator valve resetting-mechanism stretches out pressure regulator valve and valve core housing contact internal walls, and pressure regulator valve resetting-mechanism can promote pressure regulator valve to move. before existing water arrives constant-temperature tap from water heater, the cold water in pipeline between water heater to water mixing valve is often by emitting in vain, cause substantial amounts of water resource waste year in and year out, also increase the spending of user simultaneously, and existing structure on the market is whether at the Appropriate application of resource, or all there is great problem in separation process, cause in-convenience in use, or the phenomenon that service life is short, in the technical program, utilize internal reasonably structural design so that cold and hot liquid separates rapidly, the efficiency separated is high, it is achieved maximally utilizing of resource. in order to realize the most effective utilization of cost and efficiency, spool diaphragm resetting-mechanism is preferably spool diaphragm return spring, magnetic devices, heat-sensitive mechanism, position-limit mechanism are preferably annular magnet, temperature sensing spring, position-arresting disk successively, thermoregulative mechanism is preferably homoiothermic spring, also it is the back-moving spring of unidirectional temperature sensing spring, pressure regulator valve resetting-mechanism is preferably pressure regulator valve back-moving spring, and above-mentioned advantageous measure can improve the accuracy of separatory, also allows for Producer buying raw material.

Being provided with resetting-mechanism between separatory lid and valve core case, the two ends of resetting-mechanism are respectively embedded in the groove of separatory lid and the groove of valve core case, and resetting-mechanism is arranged in the inner chamber of liquor separator. Resetting-mechanism preferably employs valve core reseting spring, utilizes the elasticity of spring so that valve core case can reset after moving so that valve core case moves the same track of maintenance.

Liquor separator needs to be attached with external source, so being provided with cold water channel at liquor separator outer wall, cold water channel forms overall structure with liquor separator, and cold water channel connects with the cold water pipes of water supply line and the cold water port of combustion taps simultaneously, the wall of liquor separator is provided with through hole three, through hole San Tong method connects with liquor separator inside and cold water channel, can close through hole three by the movement of valve core case; Described liquor separator is provided with intake tunnel away from one end of separatory lid, and intake tunnel connects with the inside of liquor separator, and intake tunnel connects with the hot water pipeline of water supply line; Spool connects and is provided with through hole one, through hole one connect with spool diaphragm and spool between cavity and pressure regulator valve and spool connect between cavity connect; Described spool diaphragm is provided with through hole two, through hole two connect with spool diaphragm and spool between cavity and spool diaphragm and valve core case between cavity connect. In the chamber formed between all parts, fluid pressure and liquid flowing etc. are required to be in time, and its passage needing correspondence and chamber flow.

Owing to this structure is easily separated primarily with respect to liquid, mobility and permeability due to liquid, therefore the sealing between parts is very important, sealed by sealing ring and improve separatory efficiency further, so being provided with valve core housing sealing ring between valve core housing and spool connect, valve core housing sealing ring contacts with valve core housing and spool simultaneously and forms sealing; The outer wall of valve core case is sheathed with valve core seal ring one and valve core seal ring two, the outer wall of valve core seal ring one and the outer wall of valve core seal ring two all with the contact internal walls of liquor separator, and valve core seal ring one and valve core seal ring two are along with closing through hole three when valve core case moves; The outer wall of valve core case is sheathed with U-shaped sealing ring, the outer wall of U-shaped sealing ring and the contact internal walls of liquor separator, and U-shaped sealing ring is arranged between separatory lid sealing ring and valve core seal ring two, valve core seal ring one and valve core seal ring two and U-shaped sealing ring are all enclosed within the groove on valve core case; The outer wall of separatory lid is provided with hot water channel, hot water channel connects through separatory lid with the cavity of valve core case, hot water channel connects with the hot water port of combustion taps, separatory lid sealing ring it is provided with between separatory lid and liquor separator, separatory lid sealing ring contacts and is formed sealing with separatory lid and liquor separator simultaneously, and valve core seal ring two is arranged between valve core seal ring one and separatory lid sealing ring. Pressure sensitive chamber connects with hot water outlet. Whether pressure sensitive chamber is equal with the pressure at hot water outlet two ends for sensing device intake tunnel. When the pressure at two ends is unequal, the sensing chamber within device is compressed by the pressure differential at two ends, it is possible to toggle path; When the pressure at two ends is equal, the sensing chamber within device cannot be compressed, and being complied with can not toggle path.

Spool connects and is provided with relief hole, and relief hole is arranged in the same horizontal line with pressure regulator valve, can close or open relief hole when pressure regulator valve moves. Relief hole is for internal chamber is carried out pressure release, controls the through and off of relief hole by pressure regulator valve and then closing or opening between control spool diaphragm and valve core housing is achieved turning off or on of valve core inside fluid passage. Such design ensure that sensitivity and the reliability of control, has the effect of amplifier simultaneously.

Control system includes controller, effusion meter, temperature sensor one and temperature sensor two, and the point of measuring of temperature sensor one is positioned at the exit of effusion meter; The measurement point of temperature sensor two is an indoor ambient temperature; Effusion meter is connected in the outlet pipe of water heater, and after being positioned at electrodynamic valve and outlet conduit junction point, controller is connected with electrodynamic valve, water pump, effusion meter, temperature sensor one and temperature sensor two simultaneously. Control system is mainly by master controller, display module, input module, sensing module, electric machine speed regulation module, control module for servo motor, system power supply module, electrical source of power module composition, sensing module is made up of 2 temperature sensors and a flow transducer, its connected mode is as shown in Figure 3, system power supply provides low-tension supply for modules, ensure that the power supply of each system is stable, be connected to the power interface end of each module; Display is communicated by the mode of bus and this part of master controller; Signal is fed back to master controller by single-signal-line by temperature sensor; Signal is fed back to master controller by single-signal-line by flow transducer; Input signal is passed to master controller by the mode of bus by input module; Master controller by dual signal line control signal is transferred to servomotor module and position signalling is fed back to master controller by servosystem; Control signal is transferred to speed adjusting module speed adjusting module simultaneously by dual signal line and rate signal is fed back to master controller by master controller; Electrical source of power is connected to the power current cable-end of pump motor mainly through electric machine speed regulation module.

The present invention compared with prior art, has such advantages as and beneficial effect:

1, the problem effectively solving to waste resource in central heating hot-water heating system by recirculation of cold water heating energy, it is achieved recycling of water resource, also reduces use cost simultaneously;

2, automatically control with intelligent algorithm with whole hot-water heating system for control object thus the convenience of rapidity, comfortableness and operation that uses of General Promotion hot water by introducing in systems;

3, installation process is easy, the structure of former central heating hot-water heating system will not be carried out bigger change, carry out any transformation without to former hot water pipeline, thus reducing the installation cost of user.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention. In the accompanying drawings:

Fig. 1 be in existing double tube for applying water system hot spot to the structural representation between water spot;

Fig. 2 is installation and the operation principle schematic diagram of the present invention;

Fig. 3 is the schematic diagram of control system;

Fig. 4 is that cold and hot liquid automatic segregator flows through schematic diagram during cold water;

Fig. 5 is that cold and hot liquid automatic segregator flows through schematic diagram during hot water;

Fig. 6 is working-flow schematic diagram;

Fig. 7 is the contour structures schematic diagram of cold and hot liquid automatic segregator;

Fig. 8 is the state diagram that cold and hot liquid automatic segregator flows through cryogenic liquid;

Fig. 9 is the state diagram that cold and hot liquid automatic segregator flows through high-temp liquid;

Figure 10 is spool unitary side view;

Figure 11 supplies pipe network schematic diagram for domestic hot water;

Figure 12 is family's water supply H-Q graph of a relation;

Figure 13 is intelligent hot water system hydraulic calculation pipe network schematic diagram;

Figure 14 is intelligent hot water system flow path schematic diagram;

Figure 15 is H-Q graph of a relation;

Figure 16 is the pipeline section schematic diagram of thermodynamic computing.

The parts title of labelling and correspondence in accompanying drawing:

1 liquor separator; 2 position-arresting disks; 3 temperature sensing springs; 4 annular magnets; 5 valve core housings; 6 valve core housing sealing rings; 7 spools connect; 8 valve core seal rings one; 9 valve core seal rings two; 10 U-shaped sealing rings; 11 separatory lid sealing rings; 12 separatory lids; 13 valve core reseting springs; 14 valve core cases; 15 spool diaphragms; 16 spool diaphragm return springs; 17 pressure regulator valves; 18 pressure regulator valve back-moving springs; 19 spool screw rods; 20 homoiothermic springs; 21 homoiothermic nuts; 22 intake tunnels; 23 cold water channels; 24 hot water channels; 25 cut off; 26 relief holes; 27 chambers one; 28 through holes one; 29 through holes two; 30 pressure sensitive chambers; 31 through holes three.

Detailed description of the invention

For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment and the explanation thereof of the present invention are only used for explaining the present invention, not as a limitation of the invention.

Embodiment:

Such as Fig. 4, Fig. 5, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, the cold and hot liquid automatic segregator of this programme has four ports, it is respectively designated as A, B, C, D, wherein the A port of cold and hot liquid automatic segregator is connected on the hot water pipeline of water supply line, B port is connected on the cold water pipes of water supply line, C port is connected on the hot water port of combustion taps, D port is connected on the cold water port of combustion taps, A port is the intake tunnel of liquor separator, C port is the hot water channel of liquor separator, B port and D port are the cold water channel of liquor separator, position-arresting disk 2 is connected together with the draw-in groove on valve core housing 5, sealed valve core set 5 and spool connect wire connection between 7, valve core housing sealing ring 6 is the space connecing between 7 as sealed valve core set 5 and spool, spool connects wire connection between 7 and valve core case 14, U-shaped sealing ring 10 ensure that and reduces frictional resistance while effectively sealing, although liquor separator 1 and separatory lid 12 wire connection, but leakage still easily occurs, separatory lid sealing ring 11 is as the junction sealing liquor separator 1 and separatory lid 12, spool diaphragm return spring 16 is to promote spool diaphragm 15 to reset, the main function of cold and hot liquid automatic segregator is can to automatically select according to the temperature flowing through liquid from which interchannel to circulate. its function is illustrated as shown in Figure 4 and Figure 5. opening at C port, during D port closed, when cold water flows into separator from A port, the passage of cold water is switched to A port to enter by separator automatically, and B port goes out, when hot water flows into separator from A port, the passage of hot water is switched to A port to enter by separator automatically, and C port goes out. at C port closed, during D port closed, being no matter cold water or hot water flows through A port, liquid all cannot flow out from B port, at C port closed, when D port is opened, now cold water flows to the outflow of D port from B port, when cold water flows through A port, C port D port is opened not in all senses simultaneously, and when hot water flows through A port, after C port D port is opened simultaneously, hot water enters C port from A port and goes out, and cold water enters D port from B port and goes out. the temperature that defines of its hot and cold water can set that, but is generally set to 35 DEG C.

In order to further save heated but thermal loss part after flowing through pipeline warm water, firstly, it is necessary to introduce Machine self-learning in systems to understand the related data of use environment. By the data succeeded in school, when starting to use water with water spot, can recognize that by " position " information of water spot according to the signal of effusion meter feedback. Secondly, calculate the distance between with water spot to hot spot by relevant algorithm, and according to the temperature value that user sets, and the current environmental temperature of temperature sensor two feedback, the current hot water temperature of temperature sensor one feedback. The temperature of hot water is dynamically regulated by controlling the passage ratio of electrodynamic valve one and electrodynamic valve two, only non-constant temp gas water heater just needs electrodynamic valve two, because considering that hot water flows through the heat loss of pipeline in advance, just the loss of heat is compensated when beginning to warm up. It is achieved thereby that once hot water arrive that its temperature value of A port of separator is that user sets stable after temperature value.

Due in double tube for applying water system as shown in Figure 1, hot water from hot spot to by the early stage heat loss existed water spot certain distance and pipeline thus will necessarily causing and having one period of waiting time to stable the flowing out from hot water tap of hot water from opening hot water tap. Native system is because adding water pump at circulation line and introducing and preheat function, it is possible to the time going out hot water is shortened to original 1/2 to 1/3. Function by cold and hot liquid automatic segregator: ensure that hot spot is to being most short pipeline with the circulation line between water spot in the present system, such as open No. 1 hot water tap in Fig. 2, the circulation line now temporarily set up is the pipeline between the cold and hot liquid automatic segregator of water heater to No. 1, without flowing through from other place. So can further save water discharging time and reduce the waste of the energy, impacting with water spot without to other.

Cold water heating water process of the present invention is as follows:

When the temperature of liquid flowing into liquor separator 1 constantly raises, now temperature sensing spring 3 is by the temperature of perception liquid, rising along with temperature is recovered deformation by temperature sensing spring 3, band movable valve plug screw rod 19 and annular magnet 4 move to pressure regulator valve 17 direction, and make homoiothermic spring 20 that elastic deformation, storage elasticity potential energy to occur. When the annular magnet 4 driven by temperature sensing spring 3 move to the partition 25 with valve core housing 5 contact time, the magnetic force of annular magnet 4 is by pressure regulator valve 17 adhesive being made up of permeability magnetic material to when fitting together with the another side cutting off 25, and pressure regulator valve back-moving spring 18 deforms upon storage elasticity potential energy. And then pressure regulator valve 17 and spool connect formation space between the relief hole 26 on 7, make spool diaphragm 15 and spool connect through hole 1 that the liquid in the chamber 1 formed between 7 connects through spool and relief hole 26 are discharged in the pressure sensitive chamber 30 of valve core case 14, and whether pressure sensitive chamber 30 is equal with the pressure at hot water channel 24 two ends for sensing device intake tunnel 22. Pressure sensitive chamber 30 is by the space formed between valve core case 14 and separatory lid 12, for the pressure differential sensed between intake tunnel 22 and hot water channel 24 and then judge automatically to identify that when multiple cold and hot liquid automatic segregators are connected in pipe-line system self is the need of carrying out cold and hot liquid mask work. Its principle is: after whole pipe-line system is hydraulically full, Incoercibility due to liquid, after the valve being connected on hot water channel 24 port is opened, the pressure of the pressure sensitive chamber 30 then connected with hot water channel 24 is laid down, cause the pressure imbalance at whole spool two ends, whole spool is made to move to separatory lid direction under the effect of intake tunnel 22 port fluid pressure, spill through hole 3 31, and then reached automatic identification and need this cold and hot liquid automatic segregator to carry out cold and hot liquid mask work; When the valve being connected on hot water channel 24 port is closed all the time, the pressure of the pressure sensitive chamber 30 then connected with hot water channel 24 cannot be laid down all the time, even if whole spool also cannot move under the effect of intake tunnel 22 port fluid pressure, namely assert that the pressure at whole spool two ends is in poised state. Cause through hole 3 31 to be in closed state all the time, and then judge that this cold and hot liquid automatic segregator need not through the cold and hot liquid mask work of row. Owing to the hydraulic pressure in chamber 1 is released, between spool diaphragm 15 and valve core case 14 depended on pressure formed sealing be broken so that high-temp liquid from intake tunnel 22 through valve core inside stream to hot water channel 24. In above process, owing to liquid passes through from the inside of spool, causing the fluid pressure acted on whole spool to be released, the valve core reseting spring 13 now originally compressed is reset between valve core seal ring 1 and valve core seal ring 29 and separatory wall and fits tightly. Ensure that liquid will not flow out from the through hole 3 31 separatory wall. Now complete the selection of high-temp liquid tap hole, state such as Fig. 9 of the internal each parts of this timer.

The hot water of the present invention water process that turns cold is as follows:

When the temperature of liquid flowing into liquor separator 1 constantly reduces, now temperature sensing spring 3 is by the temperature of perception liquid, temperature sensing spring 3 is by along with the reduction lost its bounce of temperature, plastic deformation is there is under the driving of homoiothermic spring 20, homoiothermic nut 21 pushes against one end of homoiothermic spring 20, band movable valve plug screw rod 19 and annular magnet 4 move to intake tunnel 22 direction simultaneously, until temperature sensing spring 3 is compressed completely. Owing to the spacing between annular magnet 4 and pressure regulator valve 17 is excessive, result in relying on magnetic attraction cut off 25 two sides they because magnetic force weakens the elastic force that cannot resist pressure regulator valve back-moving spring 18, the relief hole 26 that pressure regulator valve 17 and spool connect between 7 is fully sealed. Liquid is constantly injected into spool diaphragm by the through hole 2 29 on spool diaphragm 15 and spool connect between in the chamber 27 that formed, cause that spool diaphragm 15 is to valve core case 14 direction phase shift, until relying on the elastic force of fluid pressure and spool diaphragm return spring to realize fully sealing between them. Now, cannot be released by valve core inside owing to acting on the fluid pressure on whole spool. Whole spool will be promoted to move to hot water channel 24 direction, spill the through hole 3 31 on separatory wall 1 so that cryogenic liquid flows out from cold water channel 23. Now complete the selection of cryogenic liquid tap hole, state such as Fig. 8 of the internal each parts of this timer, its course of action is rapid, separatory efficiency can be greatly improved, the action of separator is all carry out action by parts according to flowing into water temperature, it is achieved that automation mechanized operation, has saved resource.

Same parts called after 1 successively from left to right, No. 2 ... in Fig. 2, when opening the hot water port of No. 1 combustion taps, it is connected to the external pressure release of the C port of cold and hot liquid automatic segregator before this, cold water in hot water pipeline flows separately through A and the C port of cold and hot liquid automatic segregator, the outlet of blended faucet is discharged to outside, while current process, effusion meter has detected that water flows, signal feeds back to controller immediately, and controller starts motor immediately and strengthens rapidly the water velocity in pipeline after receiving signal. Special tectonic due to cold and hot liquid automatic segregator, C port just it has been automatically switched off when flowing out less than 10ML water, switch to the path of current to be returned to through B port flow by A port and cold water pipes is set up interim circulation line, according to hydromechanical using dynamic and static pressures principle, a part of pressure energy of fluid is converted to the kinetic energy of fluid, now the pressure of tube wall is reduced by current, triggers the pressure switch of water heater, and water heater is started working.

Owing to system has appreciated that current working environment, feeding back to the information of controller according to effusion meter, it is with water that controller can recognise that for which faucet, and is able to know that water heater arrives the water pipe distance between this faucet according to study situation before. In conjunction with study to the water habits of this faucet before, it is possible to actively judge that the hot water temperature that now this EXIT POINT needs is how many degree. Contrast the current environmental temperature that No. 2 temperature sensors are passed back again, water heater can be calculated in time to the thermal losses coefficient between cold and hot liquid automatic segregator, control electrodynamic valve one and electrodynamic valve two temperature of dynamic regulation hot water after their regulation and control after these data being processed through controller, this temperature will carry out dynamic monitoring Real-time Feedback to control system by temperature sensor one. Thus in advance early stage hot water being carried out heat dissipation compensation, thus can guarantee that once going out hot water is exactly required hot water temperature.

When the hot water flowing through cold and hot liquid automatic segregator meets its switch condition, now hot water line switches to the pipe-line system that state is 1. shown. The A port of the separated device of hot water enters C port and goes out. Hot water is flow that need not be too big when normally using after flowing out, and this EXIT POINT discharge that now system can be recognized according to machine learning can pass through the size of the dynamic regulating water flow of water pump.

Owing to using the difference of environment, after first installation native system, will starting Machine self-learning according to the concrete condition of environment, process is as shown in Figure 6. The data of study specifically include that in circulating chilled water process, flow through the circular flow value after each water spot; Flow value after hot water flows out each water spot; Hot water from hot spot to each water spot distance namely open hot water tap by effusion meter detection and indirectly calculate distance to the parameter flowing out the water yield of hot water and pipeline.

Pipeline hydraulic calculation:

Pipeline hydraulic calculation mainly calculates the loss of flood peak of pipeline, and the loss of flood peak includes frictional head loss and local head loss. After knowing the loss of flood peak of pipeline section, then can calculate in pipeline the related datas such as the flow velocity of water according to the pressure supplied water and flow.

Processing head loss illustrates:

Inner wall smooth And Research For The Loss Head Along Pipeline i should be calculated as follows:

(formula 1-1)

�� hydraulic simulation experiment in formula;

L length of pipe section (m);

d_iInternal diameter of the pipeline (m);

V mean flow rate (m/s);

G acceleration of gravity, takes 9.81 (m/s²)��

Because considering under common flow conditions, Common Thermoplastic feed pipe HVC-U, HE pipe is typically in hydraulically smooth region, and tube wall absolute equivalent roughness is very little or not impact on the impact of result, therefore hydraulic simulation experiment �� can be calculated as follows:

(formula 1-2)

In formula: Re Reynolds number.

Reynolds number Re should be calculated as follows:

(formula 1-3)

Kinematic viscosity (the m of �� water in formula³/ s), can adopt by according to the form below when different temperatures, the water ��-value (�� 10 when different temperatures^-6)��

Because of changing greatly of concrete water temperature, water force generally calculates according to fiducial temperature, then as the case may be, decides whether to be corrected. The fiducial temperature more options of cold water pipe 10 DEG C.

When water temperature is ��=1.31 �� 10 when 10 DEG C^-6(m³/ s), substitute into formula 1-3 and obtain

(formula 1-4)

Formula 1-4 is substituted into formula 1-2 obtain

(formula 1-5)

Again formula 1-5 is substituted into formula 1-1 to obtain

(formula 1-6)

Take L when being unit length, h_fNamely the loss of flood peak i of unit length it is equal to, so

(formula 1-7)

It is loss of flood peak when 10 DEG C that i value in above formula is water temperature, if water temperature is not 10 DEG C, i value all should be multiplied by adjusted coefficient K 1, and water temperature correction factor is as the criterion with following table:

Water temperature DEG C	0	4	5	10	15	20	25	30	40
										K1	1.08	1.05	1.03	1.00	0.96	0.93	0.91	0.89	0.85

Calculation of local head loss illustrates:

$h_j=\mathrm{\ζ}\frac{v^2}{2g}$ (formula 1-8)

�� local loosening, its numerical value depends primarily on current localized variation, border and geometry and size, by acquisition of tabling look-up;

V corresponding pipeline mean velocity in section.

Pipeline section unit of account frictional head loss with native system:

The loss of flood peak of hot water supply pipe network is calculated according to frictional head loss and calculation of local head loss formula segmentation:

(1) for the A-B-C section in Figure 11:

Known: the length L of A-B-C section_(A-B)=3.0 (m); The internal diameter d of A-B-C section_(A-B)=0.015 (m); The material of water pipe is HVC-U pipe (inside pipe wall is smooth water conservancy district); Water temperature is 10 DEG C; For elbow G takes 9.81; If speed is v_(A-B-C), according to formula

Can obtain $\begin{array}{c}{h}_{f(A-B-C)}=0.000608\frac{{v_{(A-B-C)}}^{1.761}}{{d_{(A-B-C)}}^{1.239}}\×L_{(A-B-C)}=0.001824\frac{{v_{(A-B-C)}}^{1.761}}{0.005498}\×3.0\\ =0.001824\frac{{v_{(A-B-C)}}^{1.761}}{0.005498}\left(m\right)\end{array}$

According to formula $h_j=\mathrm{\ζ}\frac{v^2}{2g}$

Can obtain $h_{j(A-B-C)}=0.158305\frac{{v_{(A-B-C)}}^2}{2\×9.81}\×2=0.31661\frac{{v_{(A-B-C)}}^2}{19.62}---\left(m\right)$

(2) for the C-D section in Figure 11:

Known: the equivalent length of straight pipe L of C-D section_(C-D)=3.0 (m); The internal diameter d of C-D section_(A-B)=0.008 (m); The material of water pipe is copper pipe (inside pipe wall is smooth water conservancy district); Comprehensive water temperature is 30 DEG C; For elbow The local loosening �� at valve place₃=1.5; G takes 9.81; If speed is v_(C-D)��

According to formula

Can obtain $\begin{array}{c}{h}_{f(C-D)}=0.000608\frac{{v_{(C-D)}}^{1.761}}{{d_{(C-D)}}^{1.239}}\×0.89\×L_{(C-D)}=0.000541\frac{{v_{(C-D)}}^{1.761}}{0.002523}\×3.0\\ =0.001623\frac{{v_{(C-D)}}^{1.761}}{0.002523}\left(m\right)\end{array}$

According to formula $h_j=\mathrm{\ζ}\frac{v^2}{2g}$

Can obtain $h_{j1(C-D)}=0.149081\frac{{v_{(C-D)}}^2}{2\×9.81}\×16=2.385296\frac{{v_{(C-D)}}^2}{19.62}\left(m\right)$

$h_{j2(C-D)}=0.20574\frac{{v_{(C-D)}}^2}{2\×9.81}\×8=1.64592\frac{{v_{(C-D)}}^2}{19.62}\left(m\right)$

$Q=V\×A=1.5\frac{{v_{(C-D)}}^2}{2x9.81}=1.5\frac{{v_{(C-D)}}^2}{19.62}\left(m\right)$

(3) for the D-E section in Figure 11:

Known: the equivalent length of straight pipe L of D-E section_(D-E)=10.0 (m); The internal diameter d of D-E section_(D-E)=0.015 (m); The material of water pipe is HVC-U pipe (inside pipe wall is smooth water conservancy district); Comprehensive water temperature is 20 DEG C; Local loosening ��=0.158305 of elbow; If speed is v_(D-E)��

According to formula

Can obtain $h_{f(D-E)}=0.000608\frac{{v_{(D-E)}}^{1.761}}{{d_{(D-E)}}^{1.239}}\×0.93\×L_{(D-E)}=0.0005654\frac{{v_{(D-E)}}^{1.761}}{0.005498}\×10.0=$

$0.005654\frac{{v_{(D-E)}}^{1.761}}{0.005498}\left(m\right)$

According to formula $h_j=\mathrm{\ζ}\frac{v^2}{2g}$

Can obtain $h_{j(D-E)}=0.158305\frac{{v_{(D-E)}}^2}{2\×9.81}\×2=0.31661\frac{{v_{(D-E)}}^2}{19.62}\left(m\right)$

(4) for the E-F section in Figure 11:

Known: the equivalent length of straight pipe L of E-F section_(E-F)=0.30 (m); The internal diameter d of E-F section_(E-F)=0.008 (m); The material of water pipe is flexible pipe (inside pipe wall is smooth water conservancy district); Comprehensive water temperature is 20 DEG C; If speed is v_(E-F)��

According to formula

Can obtain $h_{f(E-F)}=0.000608\frac{{v_{(E-F)}}^{1.761}}{{d_{(E-F)}}^{1.239}}\×0.93\×L_{(E-F)}=0.0005654\frac{{v_{(E-F)}}^{1.761}}{0.002523}\×0.3=$

$0.0001692\frac{{v_{(E-F)}}^{1.761}}{0.002523}\left(m\right)$

(5) for the combustion taps in Figure 11, its Local synthesis waterhead fall ��=40 can be obtained by tabling look-up; If speed is v_(lt)��

According to formula $h_j=\mathrm{\ζ}\frac{v^2}{2g}$

Can obtain $h_{j\left(lt\right)}=40\frac{{v_{\left(lt\right)}}^2}{19.62}\left(m\right)$

Domestic hot water supplies the gross head loss of pipe network:

$\begin{array}{c}{h}_{f\left(total\right)}=h_{f(A-B-C)}+h_{j(A-B-C)}+h_{f(C-D)}+h_{j1(C-D)}+h_{j2(C-D)}+h_{j3(C-D)}+h_{f(D-E)}+h_{j(D-E)}+h_{f(E-F)}+h_{j\left(lt\right)}\\ =0.001824\frac{{v_{(A-B-C)}}^{1.761}}{0.005498}+0.31661\frac{{v_{(A-B-C)}}^2}{19.62}+0.001623\frac{{v_{(C-D)}}^{1.761}}{0.002523}+2.385296\frac{{v_{(C-D)}}^2}{19.62}+\\ 1.64592\frac{{v_{(C-D)}}^2}{19.62}+1.5\frac{{v_{(C-D)}}^2}{19.62}+0.005654\frac{{v_{(D-E)}}^{1.761}}{0.005498}+0.31661\frac{{v_{(D-E)}}^2}{19.62}+0.0001692\frac{{v_{(E-F)}}^{1.761}}{0.002523}+40\frac{{v_{\left(lt\right)}}^2}{19.62}\end{array}$

Formula being arranged, formula Q=V �� S knows, for the water pipe of series connection, in 0.008mm water pipe, the flow velocity of water is 3.516 times of 0.015mm water pipe flow velocity. Then unification sets the flow velocity of water pipe in 0.015mm is then 3.516v as the flow velocity in v, 0.008mm water pipe.

Then $h_{f\left(total\right)}=0.001824\frac{v^{1.761}}{0.005498}+0.001623\frac{{\left(3.516\right)}^{1.761}}{0.002523}+0.005654\frac{v^{1.761}}{0.005498}+0.0001692\frac{{\left(3.156v\right)}^{1.761}}{0.002523}+$ $0.31661\frac{v^2}{19.62}+2.385296\frac{{\left(3.516v\right)}^2}{19.62}+1.64592\frac{{\left(3.516v\right)}^2}{19.62}+1.5\frac{{\left(3.516v\right)}^2}{19.62}+0.31661\frac{v^2}{19.62}+40\frac{{\left(3.516v\right)}^2}{19.62}$ In the calculating process of native system, fluid state in the duct is continuous-stable flowing, then be calculated according to energy equation

$z_1+\frac{p}{\mathrm{\ρ}g}+\frac{{v_1}^2}{2g}=z_{2+}\frac{p_2}{\mathrm{\ρ}g}+\frac{{v_2}^2}{2g}+{\mathrm{\Σh}}_f$ (formula 1-9)

Z level head in formula;

Hydrostatic head;

Kinetic energy head.

In the calculating process of native system, if z₁=z₂, the A cross section being chosen for water inlet end of pipe section and the outlet of faucet, if the area equation in the two cross section. Then from formula 1-9:

$\frac{p_1}{\mathrm{\ρ}g}-\frac{p_2}{\mathrm{\ρ}g}={\mathrm{\Σh}}_f;$ And $\frac{p_2}{\mathrm{\ρ}g}=0,$

Then $\frac{p_1}{\mathrm{\ρ}g}={\mathrm{\Σh}}_f$

Can releasing, in the pipeline of 0.015mm, Q=10.6V, wherein the unit of Q is the unit of L/Min, V is m/s.

According to tap water supply national standard it can be seen that the delivery pressure head of family is 16-35m, water supply flow is about 20L/Min. Then can obtaining the relation of H and Q as shown in figure 12, taking H be 25m, Q is 20L/Min.

In calculating, first assume V=0.6 (m/s), then the A cross section delivery pressure head of now water inlet end as shown in Figure 12And now the gross head of whole pipe network loses h_f(total)=13.53m is it can be seen that actual speed is more than 0.6 (m/s), it is further assumed that V=0.7 (m/s), then as shown in Figure 12And gross head loss h now_f(total)=18.27m is it can be seen that the flow velocity of water is between 0.6 to 0.7 (m/s), and by above method, by repeatedly calculating, the flow velocity of water is 0.66 (m/s).

As shown in figure 13, from Figure 14 it is recognised that B-E and B-C-D-E section is parallel pipeline, all the other pipeline sections are all that series connection pipe network is thus constituting circulation line to the flow path of system hydraulic calculation pipe network. In conjunction with Figure 13 it can be seen that in native system, be in series with electric control valve between B-E, how regulated the loss of flood peak at B-E two ends by the ratio of control valve flow, also change the flow-rate ratio in B-E and B-C-D-E two branch pipeline section simultaneously. It is minimum that namely such design can realize a. resistance reaching whole pipeline by control valve; B. due in B-E stream be cold water, in B-C-D-E, stream is hot water, is mixed the water temperature that can dynamically adjust water end (W.E.) by the different proportion of hot and cold water.

Calculation specifications:

According to above-mentioned calculating it can be seen that ${\mathrm{\Σ}}_{h(C-D)}=0.001623\frac{{v_{(C-D)}}^{1.761}}{0.002523}+2.385296\frac{{v_{(C-D)}}^2}{19.62}+1.64592\frac{{v_{(C-D)}}^2}{19.62}+$ $1.5\frac{{v_{(C-D)}}^2}{19.62}$ Can being approximately considered according to actual, the loss of flood peak of B-C section and D-E section is 0, and in adjustment process, the resistance regulating valve between B-E can be approximately considered the size by control valve and realize 0 to infinitely great.

When taking representative value, the resistance between B-E is the half of B-C-D-E resistance, then B-C-D-E pipeline is 1:2 with the flow-rate ratio in B-E pipeline. For the cold and hot liquid automatic segregator in Figure 13, its Local synthesis waterhead fall ��=5 15 can be obtained by experiment. Then pass through the method for the calculating pipeline loss of flood peak in 1.3 and 1.4 and can calculate the loss of flood peak of whole circulation line.

In conjunction with Figure 13 it can be seen that the water enable in whole circulation line in Figure 14 flows, it is necessary to series circulation water pump in pipeline. Consideration according to practical situation series circulation water pump between A-B. Water pump when peak power its H-Q relation as shown in figure 15, taking H be 40m, Q is 15_L/Min��

In calculating, first assume V=1.2 (m/s), then by the known now B end section delivery pressure head of upper figureAnd now the gross head loss h=7.3m of whole pipe network is it can be seen that actual speed is more than 1.2 (m/s), by above method, through repeatedly calculating, the flow velocity of water is 1.22 (m/s).

By calculating it can be seen that the water velocity of intelligent hot water system pipeline (cross section of DN15 pipeline section) is conventional hot water's pipeline (cross section of DN15 pipeline section) water velocity

Thermodynamic computing illustrates:

Preservation of energy is utilized to carry out approximate calculation.

When convection heat transfer' heat-transfer by convection, it is approximately considered water with the heat transfer coefficient of tube wall for infinitely great, then can be left out the time that water conducts heat to tube wall. Utilizing energy conservation principle, the heat of hot water loss is equal to the heat passing to tube wall and the heat rejecting heat in concrete layer.

Known: the length L=10m of water pipe, the internal diameter d=0.015m of water pipe, outer diameter D=0.021m, the material of water pipe is that HVC-U (know: the density of HVC-U is 1.38g/cm by query-relevant data³, specific heat capacity is 1.47kj/kg DEG C), pipeline is that hidden pipe lays, and is imbedded in concrete walls and (inquires about its dependency number it is reported: concrete density is 2.5g/cm³, specific heat capacity is 0.97kj/kg DEG C) and flow in water pipe takes 6L/Min. As shown in figure 16, according to thermodynamics and thermal conduction study related data, check in when working as R1=0.0075mm, R2=0.0105mm, the desirable 0.0145mm of R3.

(1), during winter, meter indoor environment temperature is 15 DEG C, and leaving water temperature is calculated as hot water when being 35 DEG C, be calculated as 40 DEG C when hot water temperature stablizes, then outlet water temperature of water heater is 40 DEG C.

Making leaving water temperature is 35 DEG C, then just can satisfy condition when the temperature of water wall and peripheral concrete is reached 35 DEG C, and the hot water amount simultaneously tried to achieve have to be larger than the cool water quantity V retained in water pipe_C, then calculate it and reach total amount of heat Q required when 35 DEG C_X

Q_X=Q_XB+Q_XT(formula 8-1)

Q in formula_XTotal heat dissipation capacity (J); Q_XBTube wall heat dissipation capacity (J);

Q_XTConcrete heat dissipation capacity (J) around tube wall.

Utilize formula: Q_XB=��_XB��S_XB��l��c_XB����t_XB�� �� (formula 8-2);

�� in formula_XBThe density of pipe wall material; S_XBThe area of pipe wall material;

The length of l pipe wall material; c_XBThe specific heat capacity of pipe wall material;

��t_XBTemperature variation; �� correction factor.

Q_XT=��_XT��S_XT��l��c_XT����t_XT�� �� (formula 8-3).

Q_XB=1.38 �� (3.14 �� 0.0105²-3.14��0.0075²)��10��1.47��20��1.2��10⁶=82552.66J

Q_XT=2.50 �� (3.14 �� 0.0145²-3.14��0.0105²)��10��0.97��20��1.2��10⁶=152290.00J

Then Q_X=Q_XB+Q_XT=82552.66+152290.00=234842.66J

$Q_F=1.00\×X_{H_{2}O}\×4.2\×15\×{10}^3=Q_X=234842.66J$

Q in formula_FTotal exothermic coefficient;The volume of required hot water.

?When the flow of water takes 6L/Min, then outlet hot water reaches the time of 35 DEG C and is:

3.73 �� 60 �� 6=37.3 (S)

Due to 3.73 > 1.76 (the cool water quantity V that can retain in run of designing_C), so without revising.

(2), during summer, meter indoor environment temperature is 30 DEG C, and leaving water temperature is calculated as hot water when being 35 DEG C, be calculated as 37 DEG C when hot water temperature stablizes, then outlet water temperature of water heater is 37 DEG C.

Making leaving water temperature is 35 DEG C, then just can satisfy condition when the temperature of water wall and peripheral concrete is reached 35 DEG C, and the hot water amount simultaneously tried to achieve have to be larger than the cool water quantity V retained in water pipe_C, then calculate it and reach total amount of heat Q required when 35 DEG C_X

Computing formula calculates the same with winter, is adjust when value, namely

Q_XB=1.38 �� (3.14 �� 0.0105²-3.14��0.0075²)��10��1.47��5��0.6��10⁶=10319.06J

Q_XT=2.50 �� (3.14 �� 0.0145²-3.14��0.0105²)��10��0.97��5��0.6��10⁶=22843.50J

Q_X=Q_XB+Q_XT=10319.06+22843.50=33162.56J

$Q_F=1.00\×X_{H_{2}O}\×4.2\×4\×{10}^3=Q_X=33162.56J$

: $X_{H_{2}O}=1.97L$

Due toTherefore value is rational.

Native system adopts precompensation heat mode when unstable state heat supply, calculates process as follows:

(1), during winter, meter indoor environment temperature is 15 DEG C, and leaving water temperature is calculated as hot water when being 35 DEG C, be calculated as 40 DEG C when hot water temperature stablizes, then outlet water temperature of water heater is 40 DEG C.

In the unstable state heat supply stage, the leaving water temperature of hot water rises to 60 DEG C, then the loss temperature of hot water is 32 DEG C. Now

$Q_F=1.00\×X_{H_{2}O}\×4.2\×32\×{10}^3=Q_X=234842.66J$

:When the flow of water takes 6L/Min, then outlet hot water reaches the time of 35 DEG C and is:

1.75 �� 60 �� 6=17.5 (S)

Verify that whether its value reasonable, then can in the hope of VC=3.14 �� 0.0075²��10��10³=1.76L

Due to 1.75 < 1.76, so its value to be modified, final value is 1.80L, then the time going out hot water is 1.80 �� 60 �� 6=18 (S), carry out after thermal compensation in advance go out hot water speed be do not carry out thermal compensation in advance go out hot water speedTimes, also save 3.73-0=3.73L water simultaneously.

Comprehensive Experiment is analyzed:

The associated component of native system and parameter declaration:

This water heater selected by test is non-constant temp gas formula water heater, and the power of water heater is 20KW, and the heat production outlet capacity when temperature rising 25 DEG C is 12L/Min, and startup current are 2L/Min. In experiment, the peak power of institute's configuration water pump is 150W, and the water pump water conservancy parameter H-Q value when peak power is as shown in figure 15. Other parts in system configure as shown in figure 13. The dark specification applying hot-water line and cold water pipe is DN15, and material is HVC-U, and length is 10m. Ambient temperature is 15 DEG C. The transition temperature of cold and hot liquid automatic segregator is set as 35 DEG C, and when flowing through hot water temperature higher than 35 DEG C, then flowing through the path within device is A-C; When flowing through hot water temperature lower than 30 DEG C, flowing through the path within device is A-B; Simultaneously, a pressure perception chamber is had inside cold and hot liquid automatic segregator device, pressure differential for the C end of sensing device and A end, when the pressure of C end and A end is equal, sensing chamber spring-compressed within device, when C end and A end pressure not etc. time, sensing chamber is expanded by the pressure differential at two ends.

System job description and correlation computations:

First, the pressure causing the C end of cold and hot liquid automatic segregator device and A end after opening hot water tap is inconsistent, sensing chamber within device is compressed by the pressure difference value at two ends, while compression, the water in hot water pipeline starts to flow, the effusion meter being connected in pipeline detects that water starts flowing and the signal detected is fed back to controller, controller sends signal enabling water circulating pump immediately, owing in now pipeline, the temperature of water is about 15 DEG C, sensing chamber at device is compressed (cavity volume is 10ML) after completely and is switched to A-B in the path of device water flow inside, then now water can not flow out from hot water tap again. thus establishing whole circulating path.

From above hydraulic calculation known, hot water tap place is enable to flow out hot water with the shortest time, then the power of water pump to be adjusted to maximum, but it is known again from thermodynamic computing, when water heater power is certain, add ambient temperature relatively low, flow through at hot water and the process of pipeline can exist substantial amounts of heat loss. So the factor in these have to be considered on the algorithm controlling internal system, below just how could go out hot water when ambient temperature is certain the shortest time and do COMPREHENSIVE CALCULATING explanation:

From the data provided it can be seen that the power of water heater is limited. So calculate according to the peak power of water heater: the process that calculates is such as shown in 8.1. First Q is sought_X, by the known Q of computation model above_X=Q_XB+Q_XT, by the known Q of thermodynamic computing formula_XB=82552.66J, Q_XT=152290.00J, Q_X=82552.66+152290.00=234842.66J. Then known to make faucet flow out hot water, then whole external environment at least to absorb the heat of 234842.66J. So, according to energy conservation principle, the hot water heated by water heater just at least outwardly to transmit the heat of as much by environment. By the data obtained it can be seen that when the outlet temperature of water heater is brought up to 65 DEG C, the heat production outlet capacity of water heater is 6L/Min. Owing to the process before going out hot water at faucet is the unstable state stage. Then utilize thermodynamic computing mode (now the loss temperature of hot water can be chosen to be 33 DEG C), it is possible to calculate Q_F=1.00 �� XH2O �� 4.2 �� 33 �� 10³=Q_X. Then can obtain X_H2O=1.69L water. Need also exist for calculating is verified, due to the cold water retention amount V in water pipe_LC=�� R²L��10³=3.14 �� 0.0075²��10��10³=1.76L water. Due to X_H2O<V_C, so its value is modified. Namely actual heat loss is less than the heat loss of this calculating. The leaving water temperature of water heater can being reduced, according to the calculating data in thermodynamic computing, the leaving water temperature of instant heating hydrophone can set that to be 60 DEG C, then the heat loss temperature of hot water can be calculated as 32 DEG C, then the X that can calculate now by similar mode_H2O=1.75L. Because now X_H2OIt is believed that equal to V_C, so can be 60 DEG C in the hope of the leaving water temperature of now water heater.

Data according to thermodynamic computing carry out hydraulic calculation, when a water heater that () tests is non-Thermostatic water heaters, then to be adjusted to maximum by the power calculating known hot water above, then the aperture of electrodynamic valve two is maximum, heat production outlet capacity according to water heater can be 6.7L/Min in the hope of hot water flow now, according to the empirical value that many experiments draws, when flowing through the flow of water heater lower than 7L/Min, the aperture of electrodynamic valve can be adjusted to 0, the power of water pump is now then regulated by the hot water flow of effusion meter and temperature sensor one feedback and outlet of water heater hot water temperature. verify the characteristic for this pipeline, whether the circulation ability of water pump can reach the requirement of circular flow, can being looked into by the H-Q value of Figure 15, the maximum pressure that water pump can be provided by when flow takes 6.7L/Min is 20m, and the power calculating known water pump in conjunction with 7.4.3 disclosure satisfy that requirement.

B () is when the water heater of test is non-Thermostatic water heaters, to be adjusted to maximum by the power calculating known water heater above, the leaving water temperature maximum temperature 70 DEG C of Thermostatic water heaters used, equally possible trying to achieve when needing the water heater final outflow water temperature after reconciling is 60 DEG C, and it is maximum to require that the power of hot water reaches. Then have to adjusting the aperture of electrodynamic valve 1, basis is: (70-60) �� Qrs=(60-15) �� (6.7-Qrs), tries to achieve the flow Qrs=5.5L/Min of hot water, and the flow of cold water is 1.2L/Min. In control process, first passing through flow measurement, to obtain total flow currently be 6.7L/Min, recording currently total leaving water temperature by temperature sensor one is 60 DEG C, the value of the leaving water temperature of water flow is fed back to controller, and controller controls the power of electrodynamic valve one and motor so that it meets the requirement of water conservancy and thermodynamic computing.

So, as the time t=10 �� 0.67=10 �� 0.67=14.9S required for the switching condition of the hot water cold and hot liquid automatic segregator of arrival. When the water temperature flowing through cold and hot liquid automatic segregator reaches conversion condition, the path of hot water switches to enter from A port flows out at C port, and the path of A-B is also turned off simultaneously, it is ensured that current will not loop back from original cold water pipe again.

After flow path is switched, also implying that the heating process of hot water has entered into steady-state process, the outlet hot water's temperature being approximately considered water heater is constant with the outlet temperature difference of faucet hot water. According to ambient temperature 15 DEG C, outlet hot water's temperature of water heater controls at about 40 DEG C. During due to unstable state, the path of current and to enter into the flow path after steady-state process different, when water pump provides identical water project situation, in the moment of cold and hot liquid automatic segregator path switching, in pipeline, the flow of water can change, and this change can be detected by effusion meter, thus by data feedback to controller, controller adjusts rapidly the aperture of electrodynamic valve two, by the current hot water temperature that temperature sensor one is fed back, adjusts the power of water heater in real time. Meanwhile, detecting when there is no water pump supercharging, when the water project situation of tap water can meet instructions for use, it is possible to switch off the pump rapidly. Control process terminates.

After adding this device, for non-Thermostatic water heaters, it is possible to by the data that effusion meter and temperature sensor 1 are fed back. Via controller adjusts the aperture of electrodynamic valve two in real time and then regulates the power of non-Thermostatic water heaters in real time after calculating, thus allowing non-Thermostatic water heaters reach the function of Thermostatic water heaters.

The data such as following table of actual test:

Embodiment 2:

When other condition is all constant, and ambient temperature becomes 25 DEG C, the associated component of native system and parameter declaration:

First, the pressure causing the C end of cold and hot liquid automatic segregator device and A end after opening hot water tap is inconsistent, sensing chamber within device is compressed by the pressure difference value at two ends, while compression, the water in hot water pipeline starts to flow, the effusion meter being connected in pipeline detects that water starts flowing and the signal detected is fed back to controller, controller sends signal enabling water circulating pump immediately, owing in now pipeline, the temperature of water is about 25 DEG C, sensing chamber at device is compressed (cavity volume is 10ML) after completely and is switched to A-B in the path of device water flow inside, then now water can not flow out from hot water tap again. thus establishing whole circulating path.

From hydraulic calculation above known, hot water tap place is enable to flow out hot water with the shortest time, then the power of water pump to be adjusted to maximum, but it is known again from thermodynamic computing, when water heater power is certain, ambient temperature uses temperature lower than hot water, flows through at hot water and can there is certain heat loss in the process of pipeline. So the factor in these have to be considered on the algorithm controlling internal system, below just how could go out hot water when ambient temperature is certain the shortest time and do COMPREHENSIVE CALCULATING explanation:

From the data provided it can be seen that the power of water heater is limited. So calculate according to the peak power of water heater: the process that calculates is such as shown in thermodynamic computing. First Q is sought_X, by the known Q of computation model above_X=Q_XB+Q_XT, by the known Q of the computing formula in thermodynamic computing_XB=25797.71J, Q_XT=57108.75J, Q_X=25797.71+57108.75=82906.46J. Then known to make faucet flow out hot water, then whole external environment at least to absorb the heat of 82906.46J. So, according to energy conservation principle, the hot water heated by water heater just at least outwardly to transmit the heat of as much by environment. By data it can be seen that when the outlet temperature of water heater is brought up to 43 DEG C, the maximum heat production outlet capacity of water heater is 16.7L/Min. Owing to the process before going out hot water at faucet is the unstable state stage. Then utilize the calculation (now the loss temperature of hot water can be chosen to be 11 DEG C) during similar thermodynamic computing, it is possible to calculate Q_F=1.00 �� X_H2O��4.2��11��10³=Q_X. Then can obtain X_H2O=1.79L water. Need also exist for calculating is verified, due to the cold water retention amount V in water pipe_C=�� R²L��10³=3.14 �� 0.0075²��10��10³=1.76L water. Due to X_H2OIt is approximately equal to V_C, so its value need not be modified. The leaving water temperature of instant heating hydrophone can set that to be 43 DEG C.

Data according to thermodynamic computing carry out hydraulic calculation, and when the water heater that (a) tests is non-Thermostatic water heaters, then by above-mentioned calculating it can be seen that the circulating power of water pump regulates to time maximum, the discharge in pipeline is 12.2L/Min. Then can according to the related data in above calculating process, obtaining flow currently by flow measurement is 12.2L/Min, and recording total leaving water temperature by temperature sensor one is 43 DEG C, from above-mentioned calculating. Now the flow of hot water is the flow-rate ratio with cold water is 1:2, the water flow of hot water is 4.1L/Min, the water flow of cold water is 8.1L/Min, it is 78 DEG C that checking water heater needs the temperature of water heating, 70 DEG C are generally for water heater ceiling temperature, so total flow to be modified, revised data are 11.7L/Min.

B (), when the water heater of test is Thermostatic water heaters, to be adjusted to maximum by the temperature calculating known water heater above, the leaving water temperature maximum temperature of Thermostatic water heaters used 70 DEG C, equally possible to try to achieve finally total hot water temperature be 43 DEG C. In the adjustment process of controller, the requirement data detected at effusion meter and temperature sensor pass to controller in real time, when the power adjustments of motor is extremely maximum, by regulating the aperture of electrodynamic valve one, it is achieved the adjustment of flow and water temperature. Final hot water flow is 11.7L/Min.

So, as the time t=s �� v=10 �� 1.17=8.5S required for the switching condition of the hot water cold and hot liquid automatic segregator of arrival. When the water temperature flowing through cold and hot liquid automatic segregator reaches conversion condition, the path of hot water switches to enter from A port flows out at C port, and the path of A-B is also turned off simultaneously, it is ensured that current will not loop back from original cold water pipe again.

After flow path is switched, also implying that the heating process of hot water has entered into steady-state process, the outlet hot water's temperature being approximately considered water heater is constant with the outlet temperature difference of faucet hot water. According to ambient temperature 25 DEG C, outlet hot water's temperature of water heater controls at about 38 DEG C. During due to unstable state, the path of current and to enter into the flow path after steady-state process different, when water pump provides identical water project situation, in the moment of cold and hot liquid automatic segregator path switching, in pipeline, the flow of water can change, and this change can be detected by effusion meter, thus by data feedback to controller, controller adjusts rapidly electrodynamic valve one and the aperture of electrodynamic valve two, by the current hot water temperature that temperature sensor one is fed back, adjusts the power of water heater in real time. Meanwhile, detecting when there is no water pump supercharging, when the water project situation of tap water can meet instructions for use, it is possible to switch off the pump rapidly. Control process terminates.

The data of actual test are as shown in the table:

Calculated by above-mentioned theory and embodiment, it is possible to the problem that valid certificates native system effectively solves to waste resource in central heating hot-water heating system by recirculation of cold water heating energy; Respectively from Theoretical Calculation and specific experiment two aspects confirm this system to central heating net General Promotion in comfortableness, economy and simple operation with whole hot-water heating system for control object with intelligent algorithm by introducing to automatically control; Installation process is easy, the structure of former central heating hot-water heating system will not be carried out bigger change and carry out any transformation without to former hot water pipeline.

Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (10)

1. based on realizing the system that liquid circulation utilizes, it is characterized in that, including cold and hot liquid automatic segregator, water pump, electrodynamic valve, relief valve and control system, described cold and hot liquid automatic segregator connects with the inlet channel of water heater, outlet pipe and combustion taps simultaneously, water pump is connected in the inlet channel of water heater, relief valve is connected to the water outlet of water pump, and electrodynamic valve is connected in parallel between the water inlet pipe of water heater and outlet pipe, controls system and is connected with electrodynamic valve and water pump simultaneously.

2. according to claim 1 based on realizing the system that liquid circulation utilizes, it is characterised in that described control system includes controller, effusion meter, temperature sensor one and temperature sensor two, the point of measuring of temperature sensor one is positioned at the exit of effusion meter; The measurement point of temperature sensor two is an indoor ambient temperature; Effusion meter is connected in the outlet pipe of water heater, and after being positioned at electrodynamic valve and outlet conduit junction point, controller is connected with electrodynamic valve, water pump, effusion meter, temperature sensor one and temperature sensor two simultaneously.

3. according to claim 1 and 2 based on realizing the system that liquid circulation utilizes, it is characterized in that, described cold and hot liquid automatic segregator includes liquor separator (1), described liquor separator (1) is fixed with separatory lid (12), the inner chamber of liquor separator (1) is disposed with valve core case (14), spool connects (7), valve core housing (5), valve core case (14) is near separatory lid (12), spool connects (7) and fixes with valve core case (14), spool connects and is provided with spool diaphragm (15) in (7), and connect the formation sealing of (7) inwall by the edge of spool diaphragm (15) and spool, valve core housing (5) and spool connect (7) and fix, connect at spool diaphragm (15) and spool and between (7), be provided with spool diaphragm (15) resetting-mechanism, and spool diaphragm (15) resetting-mechanism can promote spool diaphragm (15) mobile, described valve core housing is disposed with magnetic devices, heat-sensitive mechanism, position-limit mechanism on (5), magnetic devices, heat-sensitive mechanism, position-limit mechanism are arranged in liquor separator (1), magnetic devices is arranged on heat-sensitive mechanism and spool connects between (7), and position-limit mechanism is fixed with valve core housing (5), the inner chamber of described liquor separator (1) is provided with spool screw rod (19) and thermoregulative mechanism, spool screw rod (19) sequentially passes through magnetic devices (4), heat-sensitive mechanism (3), position-limit mechanism (2), thermoregulative mechanism (20), valve core housing (5) is provided with pressure regulator valve (17), pressure regulator valve is provided with pressure regulator valve resetting-mechanism in (17), pressure regulator valve resetting-mechanism stretches out pressure regulator valve (17) and valve core housing (5) contact internal walls, and pressure regulator valve resetting-mechanism can promote pressure regulator valve (17) mobile.

4. according to claim 3 based on realizing the system that liquid circulation utilizes, it is characterized in that, it is provided with resetting-mechanism between described separatory lid (12) and valve core case (14), the two ends of resetting-mechanism are respectively embedded in the groove of separatory lid (12) and the groove of valve core case (14), and resetting-mechanism is arranged in the inner chamber of liquor separator (1).

5. according to claim 3 based on realizing the system that liquid circulation utilizes, it is characterized in that, described liquor separator (1) outer wall is provided with cold water channel (23), cold water channel (23) forms overall structure with liquor separator (1), and cold water channel (23) connects with the cold water pipes of water supply line and the cold water port of combustion taps simultaneously, the wall of liquor separator (1) is provided with through hole three (31), through hole three (31) connects with liquor separator (1) inside and cold water channel (23) simultaneously, through hole three (31) can be closed by the movement of valve core case (14), described liquor separator (1) is provided with intake tunnel (22) away from one end of separatory lid (12), intake tunnel (22) connects with the inside of liquor separator (1), and intake tunnel (22) connects with the hot water pipeline of water supply line.

6. according to claim 3 based on realizing the system that liquid circulation utilizes, it is characterized in that, described spool connects and is provided with through hole one (28) on (7), and the cavity that through hole one (28) connects the cavity between (7) and pressure regulator valve (17) with spool diaphragm (15) and spool and spool connects between (7) connects; Being provided with through hole two (29) on described spool diaphragm (15), through hole two (29) connects the cavity between (7) with spool diaphragm (15) and spool and the cavity between spool diaphragm (15) and valve core case (14) connects.

7. according to claim 5 based on realizing the system that liquid circulation utilizes, it is characterized in that, described valve core housing (5) and spool connect and are provided with valve core housing (5) sealing ring (6) between (7), and valve core housing (5) sealing ring (6) connects (7) with valve core housing (5) and spool simultaneously and contacts and form sealing; The outer wall of described valve core case (14) is sheathed with valve core seal ring one (8) and valve core seal ring two (9), the outer wall of valve core seal ring one (8) and the outer wall of valve core seal ring two (9) all with the contact internal walls of liquor separator (1), and valve core seal ring one (8) and valve core seal ring two (9) along with valve core case (14) mobile time can close through hole three (31).

8. according to claim 7 based on realizing the system that liquid circulation utilizes, it is characterized in that, the outer wall of described separatory lid (12) is provided with hot water channel (24), hot water channel (24) connects through separatory lid (12) with the cavity of valve core case (14), hot water channel (24) connects with the hot water port of combustion taps, separatory lid sealing ring (11) it is provided with between separatory lid (12) and liquor separator (1), separatory lid sealing ring (11) contacts with separatory lid (12) and liquor separator (1) and forms sealing simultaneously, valve core seal ring two (9) is arranged between valve core seal ring one (8) and separatory lid sealing ring (11), between valve core case (14) and separatory lid (12), form pressure sensitive chamber (30), and pressure sensitive chamber (30) connects with hot water outlet (24).

9. according to claim 8 based on realizing the system that liquid circulation utilizes, it is characterized in that, the outer wall of described valve core case (14) is sheathed with U-shaped sealing ring (10), the contact internal walls of the outer wall of U-shaped sealing ring (10) and liquor separator (1), and U-shaped sealing ring (10) is arranged between separatory lid sealing ring (11) and valve core seal ring two (9).

10. according to claim 3 based on realizing the system that liquid circulation utilizes, it is characterized in that, described spool connects and is provided with relief hole (26) on (7), relief hole (26) is arranged in the same horizontal line with pressure regulator valve (17), and pressure regulator valve (17) can close or open relief hole (26) time mobile.