CN207365404U - waste heat recycling system - Google Patents
waste heat recycling system Download PDFInfo
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- CN207365404U CN207365404U CN201721353095.0U CN201721353095U CN207365404U CN 207365404 U CN207365404 U CN 207365404U CN 201721353095 U CN201721353095 U CN 201721353095U CN 207365404 U CN207365404 U CN 207365404U
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Abstract
The utility model discloses a kind of waste heat recycling system, which includes：For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；The water outlet is connected with hot water outlet pipe；Heat pump system, it includes the evaporator, compressor, condenser connected by refrigerant pipeline, wherein, the evaporator is the first waste heat recovery portion；The condenser is used to after the tap water heating that tap water water inlet end flows into is heated up feed in the hot water output device；The water that the water outlet flows out can be at least partly oriented to the conduction pipe of the evaporator, the switch valve for controlling its break-make is provided with the conduction pipe；Detection unit for acquisition with water identification signal；It is electrically connected with the compressor and can be according to the folding with the water identification signal control switch valve and the controller of the compressor operating.The utility model can ensure the stable operation of system.
Description
Technical field
It the utility model is related to waste water residual heat recovery technology field, more particularly to a kind of waste heat recycling system.
Background technology
As energy conservation and environmental protection theory is increasingly taken seriously, waste water residual heat recovery technology is wrapped extensively using to every field
Include daily life field and field of industrial production.
In daily life field, by taking the waste water that shower produces as an example, before not being improved, these temperature are higher
Waste water is all introduced directly into sewer and discharges, that is to say, that contains substantial amounts of waste heat in the spent hot water discharged during shower also just
It is wasted.For the heat recovery to waste water caused by shower, also provided in currently available technology some
The technical solution of the device of waste water residual heat recycling is installed in water heater, to recycle the waste heat in waste water, reaches the mesh of energy-saving and emission-reduction
's.
In the prior art, for the waste water produced using shower, it will usually set the header tank for being used for collecting waste water, the collection
Water tank in use for some time, inevitably deposits the metabolic waste of some human bodies, easily grows bacterium.At present, need
Manually periodically the header tank is cleaned.In some cases, it is subject to limiting for the conditions such as structure, the distributing position of header tank
System, general user can not clean it, it is necessary to which special maintenance personnel could be cleaned after the operation such as dismantling.Cause
This, on the whole, the water heater user experience of the device at present with waste water residual heat recycling is bad.
In addition, residual neat recovering system does not begin to focus on the operating habit of user in use in the prior art, when
User turns off will likely cause heat pump to be shut down with heat pump system during water because of there is no evaporator, or due in system
Heat source temperature changes greatly, and the shutdown for causing system loading that acute variation occurs and causing heat pump system compressor to carry out is protected
Shield.
Utility model content
The purpose of this utility model is to provide a kind of waste heat recycling system, can realize self-cleaning, while can protect
The stable operation of card system, prevents the sudden load stoppage protection phenomenon of frequent start-stop and system, not only extends system
Service life, while also substantially increase the usage experience of user.
The above-mentioned purpose of the utility model can be realized using following technical proposal：
A kind of waste heat recycling system, including：
For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；It is described
Water outlet is connected with hot water outlet pipe；
Heat pump system, it includes the evaporator, compressor, condenser connected by refrigerant pipeline, wherein, the evaporator
For the first waste heat recovery portion；The condenser is used to feed the heat after the tap water heating that tap water water inlet end flows into is heated up
In water output device；
Water that the water outlet flows out can at least partly be oriented to the conduction pipe of the evaporator, on the conduction pipe
It is provided with the switch valve for controlling its break-make；
Detection unit for acquisition with water identification signal；
It is electrically connected with the compressor and can be according to the folding with the water identification signal control switch valve and institute
State the controller of compressor operating.
Further, the hot water output device is the water tank for being provided with heating element.
Further, water mixing valve is further included, the water mixing valve, which has, to be used for into the hot water inlet of hot water and for into originally
The cooling water inlet of water, the water outlet of the hot water outlet pipe are connected with the hot water inlet of the water mixing valve.
Further, the cooling water inlet is connected with tap water inlet pipe, and the detection unit is to be arranged on the hot water
Flow sensor in outlet pipe or tap water inlet pipe.
Further, the second waste heat recovery portion is further included, the water that the conduction pipe water conservancy diversion goes out flows through first waste heat
Recoverer and the second waste heat recovery portion, the condenser are used for the tap water after being preheated by the second waste heat recovery portion
Fed after heat temperature raising in the hot water output device.
Further, the second waste heat recovery portion is at least partially disposed at the upstream in the first waste heat recovery portion, prior to
The first waste heat recovery portion and wastewater heat exchange.
Further, the Flow distributing element being arranged on the hot water outlet pipe is further included；The Flow distributing element
The mixed mouth of a river connected with the outlet with the second waste heat recovery portion or tap water inlets end.
Further, the Flow distributing element for water temperature be controlled electronically or Mechanical course threeway part, the threeway
Component includes temperature-sensitive portion, and the temperature-sensitive portion passes through the hot water output device output water temperature or the Flow distributing element water outlet
Water temperature, automatic distribution export the water flow for entering the heat pump system from the first waste heat recovery portion and flow into the threeway portion
The water flow of part.
Further, the second waste heat recovery portion outlet by shunt connector respectively with the Flow distributing element
The mixed mouth of a river is connected with condenser.
Further, the system also includes：It is arranged in the hot water output device or in the hot water outlet pipe
Water temperature detection unit.
Further, the heat pump system is set to water supply pipe is provided between the water inlet in the water supply pipe
It is equipped with the current detection unit being electrically connected with the controller.
Further, the water tank and the compressor are located in same housing.
Further, the volume of the water tank is：8 rise to 20 liters.
Further, the water outlet is arranged on the tank top, and the water inlet is arranged on the side wall of the water tank
On, the height of the water inlet to the water outlet and the height ratio scope of the water outlet to the water tank bottom are 1/3-
1/2。
The technical solution that is there is provided by above the application embodiment is as it can be seen that by can be by water that the water outlet flows out at least
Part is oriented to the conduction pipe of the evaporator (the first waste heat recovery portion) of the heat pump system, and control is provided with the conduction pipe
The switch valve of its break-make is made, controller is electrically connected with the compressor and can be opened according to described described in the control of water identification signal
The folding of valve and the compressor operating of heat pump system are closed, when detection device, which gets user, stops using water, diversion pipe can be passed through
Road connects hot water output device, and hot water is imported recovering tray exchanges heat with evaporator with heat pump, due to hot water and bath wastewater temperature difference
It is different smaller, thus be not in excessive load mutation in operation of heat pump system, and cause the hang-up of operation of heat pump to be protected,
In addition heat pump system will not cause out of service because heat source is lacked, the conduction pipe also can to waste heat recovery portion with
The surface of waste water is cleaned, and not only extends the service life of system, while also substantially increases the use body of user
Test.
Brief description of the drawings
Fig. 1 is the structure diagram for the waste heat recycling system that one embodiment of the application provides；
Fig. 2 is the step flow chart of the control method for the waste heat recycling system that one embodiment of the application provides.
Description of reference numerals：
Hot water output device 1；Water tank 11；Heating element 12；Water inlet 13；Water outlet 14；Hot water outlet pipe 2；More than second
Heat recovery section 3；Entrance 31；Outlet 32；Heat pump system 4；Evaporator 40；Compressor 41；Condenser 42；Flow distributing element 5；It is mixed
The mouth of a river 50；Water mixing valve 6；Cooling water inlet 61；Hot water inlet 62；Three-way connection 7；Tap water water inlet end A；Conduction pipe 8；Switch valve
80；Detection unit 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, elaborate to the technical solution of the utility model, it should be understood that this
A little embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model, read the utility model it
Afterwards, modification of the those skilled in the art to the various equivalent forms of the utility model each falls within the application appended claims and is limited
In fixed scope.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " on ",
" under ", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The normally understood implication of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
The utility model provides a kind of waste heat recycling system, can to the surface in waste heat recovery portion and waste water into
Row cleaning, while coordinate detection unit to ensure the stable operation of system, frequent start-stop phenomenon is prevented, is not only extended
The service life of system, while also substantially increase the usage experience of user.
Referring to Fig. 1, a kind of waste heat recycling system provided in the application embodiment can include：For exporting
The hot water output device 1 of hot water, the hot water output device 1 are provided with water inlet 13 and water outlet 14；The water outlet 14 connects
It is connected to hot water outlet pipe 2；Heat pump system 4, it includes the evaporator 40, compressor 41, condenser 42 connected by refrigerant pipeline,
Wherein, the evaporator 40 is the first waste heat recovery portion；The condenser 42 is used for the tap water for flowing into tap water water inlet end A
Fed after heat temperature raising in the hot water output device 1；The water that the water outlet 14 flows out at least partly can be oriented to the steaming
The conduction pipe 8 of device 40 is sent out, the switch valve 80 for controlling its break-make is provided with the conduction pipe 8；Identified for acquisition with water
The detection unit 9 of signal；It is electrically connected with the compressor 41 and the switch valve can be controlled with water identification signal according to described
The controller that 80 folding and the compressor 41 are run.
In the present embodiment, 1 one side of hot water output device is used to export hot water, on the other hand hot water output
Device 1 has the water tank 11 for being used for storing a small amount of hot water.Specifically, the hot water output device 1 can be with heating function
Hot water generating machine.Certainly, hot water output device 1 can also be connected with thermal water source, and hot water is provided it by thermal water source.
When the hot water output device 1 has heating function, the hot water output device 1 can be the water for being provided with heating element 12
Case 11.Wherein, the heating element 12 can be electrically heated rod, and certainly, the hot water output device 1 can also be other shapes
Formula.The heating element 12 can also be other forms, such as solar energy heating, and air can exchange heat etc., specific the application
Specific limit is not made herein.The water tank 11 can be in the hollow cylindrical of rule, and certainly, the water tank 11 can also be
Other structures, the application do not make specific limit herein.
Water inlet 13 and water outlet 14 are provided with the hot water output device 1.Wherein, the water outlet 14 is used for heat
Water outlet pipe 2 provides hot water, and the water inlet 13 can be connected by pipeline heat pump system 4, receive and be heated through heat pump system 4
Water.When the hot water output device 1 is to be provided with the water tank 11 of heating element 12, correspondingly, the water outlet 14 can be with
The top of the water tank 11 is arranged on, can be specifically the position of the roof or close roof that are arranged on the water tank 11, with
Just the higher water of 11 middle and upper part temperature of water tank is exported.The water inlet 13 can be arranged on the side wall of the water tank 11, place
In the middle and upper part of the water tank 11.
The heat pump system 4 can include：Evaporator 40, compressor 41, the condenser 42 connected by refrigerant pipeline.Its
In, the condenser 42 is used to heat at least part water of the outflow of outlet 32.The evaporator 40 is used as first
Waste heat recovery portion.When waste water is directed to evaporator 40, evaporator 40 can absorb the heat in waste water.The condenser 42
Tap water heating for tap water water inlet end A to be flowed into is fed in the hot water output device 1 after heating up.It is specifically, described
31 end of entrance of condenser 42 can be directly or indirectly connected by pipeline with tap water water inlet end A.Wherein, indirect communication
Situation include that the second waste heat recovery portion 3 can be set between tap water water intake end and the entrance 31 of condenser 42, by the
After two waste heat recovery portions 3 preheat tap water, feed the condenser 42 and heated.
When the waste heat recycling system includes the second waste heat recovery portion 3, current that 8 water conservancy diversion of conduction pipe goes out
The first waste heat recovery portion and/or the second waste heat recovery portion 3 are crossed, the condenser 42 is used for will be by second waste heat
Fed after tap water heating heating after the preheating of recoverer 3 in the hot water output device 1.
In the present embodiment, the evaporator 40 of the heat pump is used as the first waste heat recovery portion, the first waste heat recovery portion
It can be the form of heat exchange coil.The form in the second waste heat recovery portion 3 can be similar with the form in the first waste heat recovery portion,
For the form of heat exchange coil, in the present embodiment, the second waste heat recovery portion 3, which is used to circulate, comes from tap water water inlet end A
Feed the tap water of waste heat recycling system.The second waste heat recovery portion 3 has entrance 31 and outlet 32, the entrance 31
For as tap water water inlet end A, the outlet 32 can be used to exporting the tap water when flowing through the second waste heat recovery portion 3
With the warm water after wastewater heat exchange.
In the present embodiment, after the heat pump system 4 can be used for flowing through 3 waste heat of the second waste heat recovery portion
The heat pump system 4 that at least part warm water is heated.Specifically, the quilt flowed out from the outlet 32 in the second waste heat recovery portion 3
The warm water of waste heat can be divided into two-way, wherein, heated all the way into the heat pump system 4.In some cases, such as water
When water temperature in case 11 is relatively low, it is also possible to which the warm water by waste heat flowed out from the outlet 32 in the second waste heat recovery portion 3 is whole
Heated into heat pump system 4.
In addition, it can be fully entered from the warm water being preheated of the outlet 32 in the second waste heat recovery portion 3 outflow described
Heat pump system 4 is heated, and increases heat exchange area, improves heat transfer effect.
In one embodiment, the second waste heat recovery portion 3 is at least partially disposed at the first waste heat recovery portion
Upstream, prior to the first waste heat recovery portion and wastewater heat exchange.
In the present embodiment, since the internal circulation in the second waste heat recovery portion 3 is tap water, and described first
What is circulated in waste heat recovery portion is refrigerant in heat pump system 4, the temperature of the temperature of refrigerant well below tap water.Namely
Say, tap water and the waste water temperature difference are smaller, and cold coal and the waste water temperature difference are big, and the ability of refrigerant heat absorption is far longer than water.In order to ensure
Tap water in second waste heat recovery portion 3 can be absorbed to the heat in waste water, and at least part circulation is had the second of tap water
Waste heat recovery portion 3 is arranged on the upstream in the first waste heat recovery portion.When the heat of waste water is by the second waste heat recovery portion 3
Tap water sponge a part of heat after, can also be further by the first waste heat recovery when flowing through the first waste heat recovery portion
Refrigerant heat absorption in portion.
In a specific application scenarios, the waste heat recycling system can be set in the lower section of wastewater outlet 32
There is drip tray.The waste water that wastewater outlet 32 flows out can be imported into the second waste heat recovery portion 3 by the drip tray and the first waste heat returns
In receipts portion.Such as the scene of shower, drip tray can be set in the lower section of shower.The drip tray can be by shower stream
The waste water gone out is imported into the second waste heat recovery portion 3 and the first waste heat recovery portion.The tail end in the second waste heat recovery portion 3 can be with
Mutually close with the head end in the first waste heat recovery portion, both arrange successively at grade.In addition, 3 He of the second waste heat recovery portion
First waste heat recovery portion can also partial intersection, for example, the second waste heat recovery portion 3 by caudal part heat exchanger tube between it is staggered
There is the heat exchanger tube at the first waste heat recovery radical end, be substantially at the process of isothermal evaporation in evaporator 40 additionally, due to refrigerant,
Thus the liquid form of refrigerant can be adverse current or the form of following current at least in refrigerant channel.
In the present embodiment, described in the water that the water outlet 14 flows out can be at least partly oriented to by the conduction pipe 8
Evaporator 40.Specifically, its one end can be connected with hot water outlet pipe 2, the other end can be faced with the evaporator 40,
So as to which the hot water flowed out in water outlet 14 is imported in the evaporator 40, and then heat pump system is maintained under of short duration off-mode
Continue to run with, hot water, which flows into, to be used to collect interim waste water to exchange heat with the first waste heat recovery portion, the second waste heat recovery portion 3
Retracting device in, since the temperature difference of hot water and bath wastewater is smaller, heat pump system be not in continuous service compared with
Big load mutation, will not cause system instantaneous load sharply increase caused by stoppage protection, further hot water flows through evaporation
Device 40 can be rinsed the surface of evaporator 40.What it is due to the water outlet 14 outflow is hot water, to evaporator 40
Preferable flushing effect can be reached when being rinsed.It can be provided with the conduction pipe 8 for controlling opening for its break-make
Close valve 80.The switch valve 80 can have open mode and closure state.It is described when the switch valve 80 is in open mode
Conduction pipe 8 turns on；When the switch valve 80 is closed, the conduction pipe 8 is closed.Generally, institute
State conduction pipe 8 caliber be less than waste heat recycling system in other pipelines caliber, ensure in this scenario water flow compared with
It is small, only maintain system normal operation.
In the present embodiment, the detection unit 9 is used for acquisition water identification signal.Specifically, the detection unit 9
Form can be flow sensor, can be temperature sensor, at least one of humidity sensor, certainly, should
Detection unit 9 can also be other forms, and specific the application does not make specific limit herein.Wherein, this is identified with water and believed
Number it can be used to represent whether user uses water, specifically, this can be according to detection unit 9 with the concrete form of water identification signal
Form it is different and different, the application does not also limit specifically herein.The detection unit 9 can be according to concrete form and can
Its different and definite installation site of the function of realization.
For example, when the detection unit 9 is the form of flow sensor, whether user can be determined by the change of flow
With water.Specifically, the flow sensor its can be arranged on the waterway circulating for flowing through current in the residual neat recovering system
In system, it can also be provided in the water supply side that the residual neat recovering system is connected.Under just common water state, flow sensing
The flow that device detects is usually more than Q1, and when user stops using water, the flow checked is generally below Q2, and wherein Q1 is big
In Q2.
In one embodiment, the cooling water inlet 61 is connected with tap water inlet pipe, and the detection unit 9 can be
The flow sensor being arranged in the hot water outlet pipe 2 or tap water inlet pipe.When the detection unit 9 is is arranged on
When stating the first flow sensor in hot water outlet pipe 2 or tap water inlet pipe, two kinds of situations can be divided into.The first feelings
Condition：When the flow sensor is arranged on the cold water inlet or is arranged on the conduction pipe 8 and the hot water effluent
When in the hot water outlet pipe 2 in 2 communicating position downstream of pipe, when just commonly using water, the flow which detects is more than Q1；
When stopping water, the flow which detects can reduce, or even be reduced to 0.The second situation, works as flow sensing
When device is arranged on the conduction pipe 8 with the hot water outlet pipe 2 of the 2 communicating position upstream of hot water outlet pipe, just common water
When, since the caliber of conduction pipe 8 can be less than the pipe in other water stream channels in the caliber and system of the hot water outlet pipe 2
During footpath, just common water, the flow which detects is more than Q1, when stopping water, when conduction pipe 8 turns on
Afterwards, a small amount of water can be circulated by the conduction pipe 8, and the flow which detects is the Q2 of small flow.
In the present embodiment, the controller electrically connects with the compressor 41, switch valve 80 and the detection unit 9
Connect.The controller can receive the use water identification signal that the detection unit 9 obtains, and send and control to the compressor 41
The control signal of operation and the control signal opened or closed to the transmission of switch valve 80.
In one embodiment, the waste heat recycling system can also include water mixing valve 6, and the water mixing valve 6 has
Be useful for into the hot water inlet 62 of hot water and for the cooling water inlet 61 into tap water, the water outlet of the hot water outlet pipe 2 with
The hot water inlet 62 of the water mixing valve 6 is connected.
In practical application, the output terminal of the water mixing valve 6 is used to be connected with water terminal.For example, under the scene that takes a shower,
Water mixing valve 6 can be to be connected with shower, for controlling the adjusting of the break-make of current and output water temperature at shower.Specifically, should
Water mixing valve 6 can be the valve adjusted manually, it, which has, is used for into the hot water inlet 62 of hot water and for the cold water into tap water
Import 61, the water outlet of the hot water outlet pipe 2 are connected with the hot water inlet 62 of the water mixing valve 6.User is in use, can be with
According to the actual requirements, the water mixing valve 6 is adjusted, changes the aperture of hot water inlet 62 and cooling water inlet 61, adjusting water outlet water temperature.When
So, the form of the water mixing valve 6 can also be other forms, specifically, the application does not make specific limit herein.
Under a specific application scenarios, for user during bathing, water terminal will be used (for example, mixed water temporarily by existing
Valve 6) close situation.Such as during bath oil is wiped, water terminal may will be used to close, after water mixing valve 6 is closed, at this time
General water heater no longer outwards supplies water, and the detection signal that detection unit 9 obtains changes.Controller can be according to detection unit
9 situation of change, identifies user's stopping water, and the switch valve 80 in the conduction pipe 8 of controller control at this time is opened, will
Hot water in hot water outlet pipe 2 is oriented to waste heat recovery portion by conduction pipe 8, so as on the one hand can be carried out to waste heat recovery portion
Hot water injection, reaches preferable flushing effect, on the other hand can anti-locking system mutation load and missing heat source under the conditions of stop
Only running, frequent start-stop problem is not present with water valve is interior for a period of time in closing user terminal in the compressor 41 of heat pump system,
It ensure that the stability of system operation.Because the signal that starts or stops that compressor 41 is triggered in the application can be the conduct
Whether waste water has been flowed through on the evaporator 40 of first recoverer.Waste water stream is out-of-date when not having on evaporator 40,41 meeting of compressor
It is out of service.
In the present embodiment, the waste heat recycling system can also include：It is arranged on the hot water output device 1
The water temperature detection unit 9 for being used to obtain temperature signal in interior or described hot water outlet pipe 2.The water temperature detection unit 9 and institute
State controller electric connection.The controller can in real time or the expression detected by the timing acquisition water temperature detection unit 9
The hot water temperature's information exported in the hot water output device 1 or hot water outlet pipe 2.Then, controller can be according to the temperature
Information adaptively adjusts the running frequency of compressor 41 so that whole system reaches preferably energy-saving run state.
Further, the heat pump system 4 is to being provided with water supply pipe between the water inlet 13, in the water supply pipe
It is provided with the second flow sensor being electrically connected with the controller.By the heat pump system 4 condenser 42 to heat
Flow sensor is set in water supply pipe between the water inlet 13 of water output device 1, it is defeated to hot water to obtain the heat pump system 4
Go out in device 1 the hot water amount's information fed.Then after controller is by receiving hot water amount's information, or further combined with above-mentioned
The temperature information that water temperature detection unit 9 detects, further accurately can be adjusted the running frequency of compressor 41,
So that whole system reaches preferably energy-saving run state.
In one embodiment, waste heat recycling system further includes the flow being arranged on the hot water outlet pipe 2
Distribution member 5；The Flow distributing element 5 has 31 end of outlet 32 or tap water inlets with the second waste heat recovery portion 3
The mixed mouth of a river 50 of connection.
The Flow distributing element 5 can automatically adjust the hot water of inflow and the ratio of cold water so that the temperature of output is permanent
It is fixed, and the load of operation of heat pump is adjusted in real time.Specifically, the Flow distributing element 5 is controlled electronically for water temperature or machinery control
The threeway part of system.For example, the threeway part includes temperature-sensitive portion.The temperature-sensitive portion passes through 1 water outlet of hot water output device
5 output water temperature of water temperature or the Flow distributing element, automatic distribution are exported described in 32 entrance from the second waste heat recovery portion 3
The water flow of heat pump system 4 and the water flow for flowing into the threeway part.Wherein, the Flow distributing element 5 can also be with control
Device processed is electrically connected, and can be stored with the controller for the target temperature with temperature-sensitive portion contrast benchmark.Temperature-sensitive portion
By measuring the actual temperature obtained compared with the target temperature, 32 are exported from the second waste heat recovery portion 3 with distribution
Into the water flow of the heat pump system 4 and the water flow of the inflow threeway part.The controller can be with extraneous ring
The change of border temperature adaptively adjusts the target temperature or corresponding different environment temperature sets multiple target temperatures, right
Different environment temperatures is answered, Flow distributing element 5 can export matched temperature, so as to improve the intelligent of system, improve and use
The usage experience at family.Specifically, working as in environment temperature relatively low winter, which can be set of a relatively high；When
In environment temperature higher summer, target temperature can be set relatively low.
In the present embodiment, it is first with heat pump system 4 and assignment of traffic when the water tank 11 of the hot water output device 1 uses
Part 5 coordinates, for as the buffer container for alleviating leaving water temperature fluctuation.In system start-up phase, in order to ensure heat pump system 4
Normal operation, the compressor 41 of heat pump system 4 cannot be started with excessive load.If compressor 41 (fixed frequency or frequency conversion
Compressor) instantaneous load is excessive, 41 operation irregularity of compressor is may result in, for instance in stoppage protection state.That is,
It is smaller in system start-up phase, the load that compressor 41 exports.At this time, the water for flowing into heat pump system 4 can not be generally heated to
User's design temperature.At this time, the hot water output device 1 is used as thermal water source, 41 energy of compressor of heat pump system 4 in guarantee system
Enough with less load soft start, while the water for reaching user's design temperature can be provided a user again.Running a period of time
Afterwards, after heat pump system 4 is transitioned into normal operating condition from startup stage, compressor 41 runs load rise, and heat pump system 4 possesses
Stronger heating efficiency.Heat pump system 4 is as the main heat source for providing hot water at this time, even if the water temperature in water tank 11 is decreased
To the design temperature less than user, system can also stably provide a user the hot water met the requirements.In addition, in system operation
During, to cause fluctuating temperature larger if there are water pressure fluctuations or the exception of compressor 41, at this time, since heat pump system 4 adds
The water of heat just enters hot water outlet pipe 2 after flowing through the water tank 11, therefore after can the front and rear water temperature with the temperature difference be mixed
Output.To sum up, in this waste heat recycling system, the water tank 11 mainly as startup stage thermal water source, subsequently
Buffer container of the operation phase mainly as fluctuating temperature.Therefore, the volume of the water tank 11 can be configured relatively small.Specifically
, the volume of the water tank 11 can be：8 rise to 20 liters.Relative in the prior art, the water tank 11 in water heater is generally 50
When rising the above, the overall volume of system can be substantially reduced, reduces installation space.
In one embodiment, the water tank 11 and the compressor 41 are located in same housing.Generally, in order to right
The water being heated in water tank 11 carries out insulation, and shell, the shell and the water tank 11 are provided with the outside of water tank 11
Between be provided with insulating layer.When the compressor 41 and the water tank 11 are located in same housing, the compressor 41 works
Caused noise can be absorbed with insulation layer, and the water tank 11 also constitutes noise transmission path with the water inside water tank 11
On buffer element, 41 noise of compressor can also be absorbed.For waste heat recycling system, the position that it is installed is very much
All it is at home, in use, when the noise of compressor 41 is smaller, to be very beneficial for improving the usage experience of user.
In one embodiment, the water outlet 14 is arranged on the top of water tank 11, and the water inlet 13 is arranged on
On the side wall of the water tank 11, height and the water outlet 14 to the water tank 11 of the water inlet 13 to the water outlet 14
The height ratio of bottom may range from 1/3-1/2.
Generally, the water in the water tank 11, in heating process, water temperature is along gravity direction layer distributed and gradually drops
It is low.And 4 startup stage of heat pump system, 41 frequency of compressor are relatively low, 4 heating capacity of heat pump system is weaker, is heated through heat pump system 4
Afterwards into water tank 11 the general temperature of water it is relatively low, if water inlet 13 set it is excessive, can cause from water outlet 14 flow out
Coolant-temperature gage is too low.When in operational process, if heat pump system 4 exception occurs or tap water hydraulic fluctuates, equally existing
The situation relatively low from the coolant-temperature gage for entering water tank 11 after the heating of heat pump system 4, at this time, is also not suitable for setting water inlet 13
It is high.In addition, working as in operational process, the higher hot water of the temperature stored originally in water tank 11 has been consumed, at this time in water tank 11
Coolant-temperature gage may already close to the design temperature of user, even lower than the design temperature of user when.And at the same time, heat pump system
Unite 4 normal operations, heating capacity is preferable, can provide temperature higher hot water to water tank 11.In these cases, if entering water
The setting of mouth 13 is too low, then the higher water of temperature can flow into the bottom of water tank 11, can not preferably improve the water outlet of water outlet 14
Water temperature.To sum up, the position of water inlet 13 needs to be arranged on rational position, just can guarantee that the stable operation of system, maintains
Preferable output water temperature.
In one embodiment, the outlet 32 in the second waste heat recovery portion 3 by shunt connector respectively with the stream
The mixed mouth of a river 50 of amount distribution member 5 is connected with heat pump system 4.
In the present embodiment, the tap water being preheated that the outlet 32 in the second waste heat recovery portion 3 is flowed out can divide
For two-way, it is further heated all the way into the mixed mouth of a river 50 of Flow distributing element 5, another way into heat pump system 4.Wherein,
The shunt connector can be the form of three-way connection 7, which there is the outlet 32 with the second waste heat recovery portion 3 to connect
The water inlet connect, and the first water outlet connected for the mixed mouth of a river 50 with Flow distributing element 5, for the heat pump system
Second water outlet of the connection of system 4.After the tap water warm water heated by the second waste heat recovery portion 3 flows through three-way connection 7, match somebody with somebody
Flow distributing element 5 is closed, the tap water after can will heat up distributes automatically, all the way into the mixed mouth of a river of Flow distributing element 5
50, exported after being mixed with the water of 1 water outlet 14 of hot water output device outflow, it is remaining to enter heat pump system 4 again all the way
Heating, can reach energy saving to greatest extent.In present embodiment, the second waste heat recovery portion 3 and first in heat pump system 4
Waste heat recovery portion can cooperate, and realize energy saving to greatest extent.
In the prior art, although Preliminary Exploitation has been carried out in the waste water produced to shower, the technological means used
Mainly：The waste water produced using shower preheats tap water, and the refrigerant in evaporator 40 is preheated.Subsequently
The tap water being preheated enters the cold water port of shower bath by cold water pipeline；In addition heat is passed through by the tap water of waste heat all the way
Water route pipeline, which enters in water tank 11, to be heated, and subsequently enters back into the hot water port of shower bath.It is cold due in the prior art
Water lines and hot water line are mutually independent, only to user terminal location, i.e., until just being converged at shower bath.One
Aspect, when its heat pump system 4 heats, still cannot overcome the operating mode of complexity, it is impossible to ensure to be supplied to the water of hot water port with it is cold
Constant value is maintained all the time after the water mixing of water end (W.E.) mouth, is maintained in other words in the less scope of fluctuation.
Further, since hot water line of the prior art does not associate with cold water pipeline independently of each other, there is no phase
Mutually coordinate, can further be heated accordingly, with respect in the application by the water of 3 waste heat of the second waste heat recovery portion by heat pump system 4
Embodiment for, its utilization rate to thermal energy is relatively low, and firing rate is slower, can not also realize by starting to stable operation
Directly-heated pattern automatic conversion.
The waste heat recycling system provided in the application embodiment, by setting the hot water with pooling feature to export
Device 1, Flow distributing element 5 is set in its 14 position of water outlet, can be pre- to the second waste heat recovery portion 3 in the connection of its water outlet 14
The heat pump system 4 that at least part warm water of heat is heated, in use, the Flow distributing element 5 can be adjusted in real time, ensures
Water water flow is according to the distribution of situation real-time monitoring.In startup stage, which is used as hot water source, ensures system
The normal gentle soft start of middle heat pump system 4；, can the heat in variable working condition, such as when water pressure fluctuations cause changes in flow rate
Water output device 1 is used as buffer container, is exported after the front and rear water temperature with the temperature difference is mixed, to buffer the variation of water temperature,
Coordinate Flow distributing element 5 at the same time, thermostatted water can be provided a user, greatly improve the usage experience of user.
Further, the warm water flowed out from the outlet 32 in the second waste heat recovery portion 3 can shunt, a part of warm water of outflow
Reheating is carried out into heat pump system 4, another part warm water enters the mixed mouth of a river 50 of Flow distributing element 5 and hot water output fills
The hot water for putting the outflow of 1 water outlet 14 is mixed, so that waste heat of maximum the restrictions degree ground in utilization waste water, and using process
In heated by the dynamic heat exchange unit condenser 42 separated with water tank 11 due to the warm water by the preheating of level-one waste heat recovery portion, by
It is higher in the efficiency of heat pump system, the effect of directly-heated can be realized at this time, while reduces the energy consumption of system.
Referring to Fig. 2, a kind of control method of the waste heat recycling system provided in the application embodiment can wrap
Include following steps：
Step S10：Start hot water output device 1, the water in hot water output device 1 is heated to predetermined temperature；
Step S12：Represent that user starts to start heat pump with water interval scheduled duration after water identification signal receiving
System 4；
Step S14：Represent that user stops with water with opening switch valve 80 after water identification signal receiving, by it is described go out
The water that the mouth of a river 14 is flowed out at least partly is oriented to the evaporator 40；The compressor 41 is controlled to run at the same time.
The control method of waste heat recycling system disclosed in present embodiment, it is to combine above-mentioned heat recovery
Specific expansion after all parts in system, it can realize the above-mentioned waste heat recycling system embodiment of the application simultaneously
Reach the technique effect of device embodiments.
In the present embodiment, before the startup stage of system is entered, hot water output device 1 can be first pre-actuated, will
Water in the hot water output device 1 is heated to predetermined temperature.The predetermined temperature can according to the setting leaving water temperature of user or
Person is determined that certainly, which can also determine by other means according to the temperature stored in controller accordingly,
The application does not make specific limit herein.Generally, the predetermined temperature can be higher, the leaving water temperature one of user's setting is higher by
A temperature section.Such as the predetermined temperature can be 55 degrees Celsius.
When being not received by with before water identification signal, waste heat recycling system may be at keeping warm mode.Furthermore it is possible to
By the set temperature detection unit 9 in hot water output device 1, the water temperature in hot water output device 1 is detected in real time, when water temperature is low
When certain temperature, hot water output device 1 can be started, the water of its inside is reheated.
When receive use water identification signal when, can be spaced scheduled duration start heat pump system 4.Specifically can be with predetermined
Frequency starts compressor 41, and gradually increase 41 frequency of compressor on the basis of the preset frequency.Filled since hot water exports
Hot water can be provided a user as the buffer container of startup stage by putting 1, therefore, start heat pump after being spaced scheduled duration
System 4.The scheduled duration can be 0-10 seconds.Also, compressor 41 can be started in startup stage with relatively low frequency, subsequently
Gradually increase working frequency, to ensure 41 steady reliability service of compressor.Certainly, the compressor 41 described in present embodiment is
Frequency-changeable compressor (but invariable frequency compressor coordinates flow adjustment portion to realize the fast quick-recovery of hot water or system stable operation scheme
It can be achieved, but it relies primarily on current and the adjustment of heat source amount to realize, does not elaborate herein).
In the present embodiment, the water identification signal can include it is following in any one or its combination：Flow through
The water-flow signal in waste heat recovery portion, the temperature signal in waste heat recovery portion, flows through the current in the waste heat recycling system
Signal, or the user's open signal received.Certainly this can also be other forms with water identification signal, specifically, this Shen
Do not limit specifically herein please.
Specifically, setting flow detection part at waste heat recovery portion, start water-flow signal in waste heat recovery portion when detecting
When, it can represent that user starts to use water.Waste heat recovery portion described herein can include the second waste heat recovery portion 3, the first waste heat
It is at least one in recoverer.Further, it is also possible to the set temperature detection piece at waste heat recovery portion, when detecting waste heat recovery portion
On when having temperature change, user can be represented with water., can also be in addition, for the waste heat recycling system
Flow detection part is set in the pipeline that current flow through, when having detected water-flow signal, may also indicate that user with water.When
So, it can also be obtained and represented by other means with water identification signal, specific the application does not make specific limit herein.
In the present embodiment, it can be provided with the waste heat recycling system and change for detecting system water flow
Detection unit 9, the detection unit 9 can by the water flow variable signal detected in real time or timing transmission to controller.When
Controller judges when receiving the water flow variable signal in the waste heat recycling system：When the water flow of the system
When the water flow of increase and inflow heat pump system 4 also increases, increase the running frequency of 4 compressor 41 of heat pump system；When the system
The water flow of system reduces and the water flow of inflow heat pump system 4 also increases hour, reduces the operation of 4 compressor 41 of heat pump system
Frequency, to ensure that the steady output temperature of system fluctuates small hot water.
In one embodiment, the detection unit 9 can be used for the flow sensor for obtaining water flow variation signal, institute
System water changes in flow rate signal can be obtained by the flow sensor by stating controller.During specific control, when the water flow
The hot water output device 1 exports hot water during increase, and the increase of Flow distributing element 5 enters the water flow of heat pump system 4, institute
State controller increases the heat pump system 4 according to the water-flow signal, water temperature signal or at least one signal of time signal
Running frequency, the heat pump system 4 export the hot water amount that bigger energy supplement recovers the hot water output device 1；When the water
The hot water output device 1 buffers more remaining hot waters when flow reduces, and the Flow distributing element 5 reduces into heat pump system 4
Water flow, the controller reduce the heat according to the water-flow signal, water temperature signal or at least one signal of time signal
The running frequency of pumping system 4, the heat pump system 4, which exports smaller energy, is unlikely to the hot water amount of the hot water output device 1
Excessively, cause user's bathing experience poor.
Present embodiment at that time in, represent that user stops opening switch with after water identification signal with water receiving
Valve 80, at least partly the evaporator 40 is oriented to by the water that the water outlet 14 flows out；The compressor 41 is controlled to run at the same time.
Specifically, after controller receives the expression user that detection unit 9 detects and stops with water water identification signal, Ke Yixiang
The switch valve 80 sends control signal, opens the switch valve 80, the conduction pipe 8 connects, and hot water output device 1 is defeated
The hot water gone out is oriented to waste heat recovery portion, so that hot water injection on the one hand can be carried out to waste heat recovery portion, reaches preferable flushing
Effect, on the other hand can prevent 41 frequent start-stop of compressor, ensure that the stability of system operation.
In one embodiment, controller, which can receive, indicates entry into the hot water output device 1 and the outflow heat
At least one of the water temperature signal of water output device 1, flow signal；Believe according to the water temperature signal, flow signal and time
Number at least one of or its combination adjust described 4 compressor of heat pump system, 41 running frequency.
Specifically, the controller, which can receive, indicates entry into the hot water output device 1 and the outflow hot water output
At least one of the water temperature signal of device 1, flow signal.When detection unit 9 directly acquire be hot water output device 1 and
When flowing out at least one of water temperature signal, flow signal of the hot water output device 1, be conducive to the confession of accurately definite system
Hot water ability, so as to be conducive to the running frequency that controller accurately adjusts compressor 41.Specifically, the controller is according to described in
At least one of water temperature signal, flow signal and time signal or its combination adjust 4 compressor 41 of the heat pump system operation frequency
Rate；The controller controls 4 compressor of heat pump system, 41 running frequency to remain unchanged or adjust.Specific adjustment feelings
Condition, can make a variety of design variations according to actual conditions, specifically, the application does not make specific limit herein.
In one embodiment, the control method can also include：Received in preset period of time represent user after
When using water identification signal of continuous water, closes the switch valve 80, adjusts the running frequency of the compressor 41 described default
Do not received after time and represent that user continues when using water identification signal, to close the switch valve 80, and close the pressure with water
Contracting machine 41.
In the present embodiment, can be combined with passage time signal and water-flow signal to control opening for the switch valve 80
Open or close.Generally, after switch valve 80 opens certain period, receive and represent when using water identification signal of user's water,
At this point it is possible to switch valve 80 is closed.
After the time that open pipe valve is opened the scheduled time is reached, and also it is not received by represents that user continues to use water at this time
Use water identification signal, the switch valve 80 can be closed at this time.Possible user is finished with water at this time, can gradually be dropped
The frequency of low compressor 41 is until closed mode.
In one embodiment, the current detection unit 9 can continue to know whether that there are user's water demand；It is described
Controller also includes timing unit, it can also be stored with preset time；When the current detection unit 9 finds out user's water
During identification signal, the controller closes the switch valve 80, and the heat pump system 4 adjusts running frequency, ensures the waste heat
Recovery system stable operation；When the current detection unit 9 does not find out user with water identification signal, the controller compares
Whether system operation time reaches preset time；When the residual neat recovering system run time reaches preset time, the control
Device processed closes the switch valve 80, and the controller stops the heat pump system 4, and the residual neat recovering system is out of service；When
When the residual neat recovering system run time is not up to preset time, the heat pump system 4 adjusts running frequency, ensures described remaining
Heat recovery system stable operation.
In one embodiment, in the waste heat recycling system operational process, the control method can be with
Including：After the system continuously runs one or more period times, the switch valve 80 is periodically opened.That is,
Residual neat recovering system can be rinsed using the diversion pipeline for being provided with switch valve 80 so that waste heat recycling system
With self-cleaning function.
In the present embodiment, it can be adjusted by combining mechanical structure and controller controls so that system steadily exports
The small hot water of temperature fluctuation, improves the usage experience of user.
In some cases, user's simply interim stopping water, such as under the scene that takes a shower, user may simply turn off mixed
Smearing cleaning supplies are carried out after water valve 6, the time of the interim stopping water is shorter, and is subsequently also further needed with water
Ask.If directly controlling compressor 41 at this time first to close, subsequently have and continue to be then turned on during water demand, compressor 41 can be caused
Frequent start-stop, the considerable influence that can be produced to the service life of compressor 41, the steady energy-saving run of meeting system will also result in not
Profit influences.
Occurs the similar above problem in order to prevent, the application is by can at least partly lead the water that the water outlet 14 flows out
To the conduction pipe 8 of the evaporator 40 (the first waste heat recovery portion) of the heat pump system 4, control is provided with the conduction pipe 8
The switch valve 80 of its break-make is made, controller is electrically connected with the compressor 41 and can be according to described with water identification signal control institute
The folding of switch valve 80 and 41 running frequency of compressor of heat pump system 4 are stated, can be to the table in waste heat recovery portion and waste water
Face is cleaned, while coordinates detection unit 9 to ensure the stable operation of system, prevents frequent start-stop phenomenon, not only
The service life of system is extended, while also substantially increases the usage experience of user.
Further, the application by setting Flow distributing element 5 in systems, and hydraulic pressure fluctuates in use
Exemplified by：When water flow increases, in order to ensure that the hot water output device 1 exports hot water constant water temperature, the assignment of traffic member
For the increase of part 5 into the water flow of heat pump system 4, controller can be according to water-flow signal, water temperature signal or time signal at least
One signal increases the running frequency of the heat pump system 4, and the heat pump system 4 exports bigger energy supplement and recovers the hot water
The hot water amount of output device 1；When the water flow reduces, the hot water output device 1 buffers more remaining hot waters, the flow point
Reduce the water flow into heat pump system 4 with element 5, the controller is according to the water-flow signal, water temperature signal or time
At least one signal of signal reduces the running frequency of the heat pump system 4, and the heat pump system 4, which exports smaller energy, makes the heat
The hot water amount of water output device 1 is unlikely to excessive.To sum up, the waste heat recycling system and its control method can adapt to automatically
Complicated actual change operating mode so that system starts and stable and reliable operation, while solves output water temperature fluctuation problem, carries significantly
The usage experience of high user.
In this application, controller can be implemented in any suitable manner.Specifically, for example, controller can be taken
Such as computer readable program code (the example that microprocessor or processor and storage can be performed by the microprocessor or processor
Such as software or firmware) computer-readable medium, logic gate, switch, application-specific integrated circuit (Application Specific
Integrated Circuit, ASIC), programmable logic controller (PLC) (Programmable Logic Controller, PLC)
With the form of embedded micro-control unit (Microcontroller Unit, MCU), the example of above-mentioned module include but not limited to
Lower micro-control unit：ARC 625D, Atmel AT91SAM, Microchip PIC18F26K20 and Silicone Labs
C8051F320.Those skilled in the art in a manner of pure computer readable program code it is to be understood that except realizing the control
, completely can be by the way that method and step be carried out programming in logic come control unit with logic gate, switch, special beyond the function of device
Identical function is realized with forms such as integrated circuit, programmable logic controller (PLC) and embedded micro-control units.
Above-mentioned each embodiment in this specification is described by the way of progressive, identical between each embodiment
Similar portion is cross-referenced, and what each embodiment stressed is and other embodiment difference.
The foregoing is merely several embodiments of the utility model, although the embodiment disclosed by the utility model is such as
On, but the content is only to facilitate the embodiment for understanding the utility model and using, it is new to be not intended to limit this practicality
Type.Any those skilled in the art of the present invention, are not departing from the spirit and scope disclosed by the utility model
On the premise of, any modification and change, but the patent of the utility model can be made in the formal and details of embodiment
Protection domain, must still be subject to the scope that the appended claims are defined.
Claims (14)
- A kind of 1. waste heat recycling system, it is characterised in that including：For exporting the hot water output device of hot water, the hot water output device is provided with water inlet and water outlet；The water outlet Mouth is connected with hot water outlet pipe；Heat pump system, it includes the evaporator, compressor, condenser connected by refrigerant pipeline, wherein, the evaporator is the One waste heat recovery portion；The condenser is defeated for feeding the hot water after the tap water heating that tap water water inlet end flows into is heated up Go out in device；The water that the water outlet flows out can be at least partly oriented to the conduction pipe of the evaporator, set on the conduction pipe There is the switch valve for controlling its break-make；Detection unit for acquisition with water identification signal；It is electrically connected with the compressor and the folding of the switch valve and the pressure can be controlled with water identification signal according to described The controller of contracting machine operation.
- 2. waste heat recycling system as claimed in claim 1, it is characterised in that the hot water output device adds to be provided with The water tank of thermal element.
- 3. waste heat recycling system as claimed in claim 1 or 2, it is characterised in that further include water mixing valve, the water mixing valve With for the hot water inlet into hot water and for the cooling water inlet into tap water, the water outlet of the hot water outlet pipe with it is described The hot water inlet of water mixing valve is connected.
- 4. waste heat recycling system as claimed in claim 3, it is characterised in that the cooling water inlet be connected with tap water into Water pipe, the detection unit are the first flow sensor being arranged in the hot water outlet pipe or tap water inlet pipe.
- 5. waste heat recycling system as claimed in claim 1 or 2, it is characterised in that further include the second waste heat recovery portion, institute State the water that conduction pipe water conservancy diversion goes out and flow through the first waste heat recovery portion and the second waste heat recovery portion, the condenser is used for Fed after tap water heating heating after being preheated by the second waste heat recovery portion in the hot water output device.
- 6. waste heat recycling system as claimed in claim 5, it is characterised in that the second waste heat recovery portion is at least partly Positioned at the upstream in the first waste heat recovery portion, prior to the first waste heat recovery portion and wastewater heat exchange.
- 7. waste heat recycling system as claimed in claim 5, it is characterised in that further include and be arranged on the hot water outlet pipe On Flow distributing element；The Flow distributing element has the outlet or tap water inlets end with the second waste heat recovery portion The mixed mouth of a river of connection.
- 8. waste heat recycling system as claimed in claim 7, it is characterised in that the Flow distributing element is water temperature electronics Control or the threeway part of Mechanical course, the threeway part include temperature-sensitive portion, and the temperature-sensitive portion is exported by the hot water and filled Output water temperature or the Flow distributing element output water temperature are put, automatic distribution enters institute in outlet from the first waste heat recovery portion State the water flow of heat pump system and flow into the water flow of the threeway part.
- 9. waste heat recycling system as claimed in claim 7, it is characterised in that the outlet in the second waste heat recovery portion leads to Shunt connector is crossed respectively with the mixed mouth of a river of the Flow distributing element and condenser to be connected.
- 10. waste heat recycling system as claimed in claim 1, it is characterised in that the system also includes：It is arranged on described The water temperature detection unit for being used to obtain temperature signal in hot water output device or in the hot water outlet pipe.
- 11. the waste heat recycling system as described in claim 1 or 10, it is characterised in that the heat pump system to it is described enter Water supply pipe is provided between the mouth of a river, the second flow being electrically connected with the controller is provided with the water supply pipe and is sensed Device.
- 12. waste heat recycling system as claimed in claim 2, it is characterised in that the water tank and the compressor are located at In same housing.
- 13. waste heat recycling system as claimed in claim 2, it is characterised in that the volume of the water tank is：8 rise to 20 Rise.
- 14. waste heat recycling system as claimed in claim 2, it is characterised in that the water outlet is arranged on the water tank Top, the water inlet are arranged on the side wall of the water tank, height and the water outlet of the water inlet to the water outlet The height ratio scope of mouth to the water tank bottom is 1/3-1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353095.0U CN207365404U (en) | 2017-10-19 | 2017-10-19 | waste heat recycling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353095.0U CN207365404U (en) | 2017-10-19 | 2017-10-19 | waste heat recycling system |
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| CN207365404U true CN207365404U (en) | 2018-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767554A (en) * | 2019-01-31 | 2019-05-17 | 绵阳市智慧鸟软件技术有限公司 | A kind of Drink dispenser |
-
2017
- 2017-10-19 CN CN201721353095.0U patent/CN207365404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767554A (en) * | 2019-01-31 | 2019-05-17 | 绵阳市智慧鸟软件技术有限公司 | A kind of Drink dispenser |
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