CN108800370A - Air conditioner and its control method - Google Patents
Air conditioner and its control method Download PDFInfo
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- CN108800370A CN108800370A CN201710282734.7A CN201710282734A CN108800370A CN 108800370 A CN108800370 A CN 108800370A CN 201710282734 A CN201710282734 A CN 201710282734A CN 108800370 A CN108800370 A CN 108800370A
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- metal hydride
- refrigerant
- heat exchanger
- hydrogen
- interface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
Abstract
The invention discloses a kind of air conditioner and its control methods, belong to air-conditioning technical field.Air conditioner includes：Refrigerant circulation circuit and indoor heat exchanger；The hydrogen recycle stream road that two metal hydride heat exchangers are constituted with electrochemical compressor, wherein, electrochemical compressor, as the transfer end for compressing and conveying hydrogen, two metal hydride heat exchangers, as the terminal for inhaling hydrogen or hydrogen release, metal hydride is filled in each metal hydride heat exchanger；Each metal hydride heat exchanger includes for refrigerant with the refrigerant heat exchanging part of metal hydride heat exchange and for the air-cooled heat exchanging part of outside air and metal hydride heat exchange, wherein refrigerant heat exchanging part is connected to refrigerant circulation circuit.Invention air conditioner alternately exchanges heat with refrigerant using two metal hydride heat exchangers, supplies low temperature or high temperature refrigerant to indoor heat exchanger so as to lasting, and then realize the refrigeration or heating operation to indoor environment, simple in structure, easy for installation.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of air conditioner and its control method.
Background technology
Electrochemical compressor is the hydrogen gas compressor that hydrogen (H2) is provided to anode, and compression hydrogen is collected in pressure height
Up to the cathode of 10,000 pounds/square inch of 70% to 80% efficiency.Electrochemical compressor is noiseless expansible, is easy to module
Change, has been attempted at present applied to refrigerating system.It is contemplated that weight will be increasingly subject to Electrochemical Refrigeration systematic research
Depending on.
Invention content
The present invention provides a kind of air conditioner and its control methods, it is intended to protect a kind of novel Applied Electrochemistry compressor
Air-conditioning system.In order to the embodiment to disclosure some aspects there are one basic understanding, simple summary is shown below.
The summarized section is not extensive overview, nor to determine key/critical component or describe the protection model of these embodiments
It encloses.Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to the first aspect of the invention, a kind of air conditioner is provided, air conditioner includes：Refrigerant circulation circuit and connection
In the indoor heat exchanger in refrigerant circulation circuit；Two metal hydride heat exchangers are followed with the hydrogen that electrochemical compressor is constituted
Circulation road, wherein electrochemical compressor is used as compressing and the transfer end of conveying hydrogen, two metal hydride heat exchangers are used as
The terminal of hydrogen or hydrogen release is inhaled, metal hydride is filled in each metal hydride heat exchanger；Each metal hydride heat exchanger
Include for the refrigerant heat exchanging part of refrigerant and metal hydride heat exchange and for outside air and metal hydride heat exchange
Air-cooled heat exchanging part, wherein refrigerant heat exchanging part is connected to refrigerant circulation circuit.
Further, the refrigerant heat exchanging part of each metal hydride heat exchanger is parallel to refrigerant circulation circuit, wherein each
There is refrigerant heat exchanging part outlet tube road and inlet pipe, outlet tube road to be connected to refrigerant circulation circuit, and inlet pipe is connected to cold
Matchmaker's circulation loop；Indoor heat exchanger is set to the refrigerant pipeline between two refrigerant heat exchanging part and the parallel connected end of refrigerant circulation circuit
On.
Further, refrigerant heat exchanging part has：First triple valve, the first triple valve include valve body, are set to the valve of valve body
Valve block, first interface, second interface and the third interface of intracavitary, wherein valve block has connection first interface and second interface
First valve position, the second valve position for being connected to first interface and third interface；First interface and second interface are serially connected on coolant loop,
Outlet tube road is connected on third interface；
Further, the second triple valve, the second triple valve includes valve body, the valve block that is set in the valve chamber of valve body, first
Interface, second interface and third interface, wherein valve block has connection first interface and the first valve position of second interface, is connected to the
Second valve position of one interface and third interface；First interface and second interface are serially connected on coolant loop, and inlet pipe is connected to
On third interface；The second interface of first triple valve is connected with the first interface of the second triple valve.
Further, air conditioner further includes the liquid pump for driving refrigerant circulation, and liquid pump is two, is respectively arranged at each
Inlet pipe or the outlet tube road of refrigerant heat exchanging part.
Further, air conditioner further includes the liquid pump for driving refrigerant circulation, and liquid pump is one, is set to two refrigerants
On refrigerant pipeline between heat exchanging part and the parallel connected end of refrigerant circulation circuit.
Further, air conditioner includes indoor unit and outdoor unit, wherein indoor heat exchanger is set to indoor unit；Hydrogen follows
Circulation road is set to outdoor unit；Air-cooled heat exchanging part includes fan, for driving outside air to flow through metal hydride heat exchanger.
Further, indoor heat exchanger includes radiation recuperator.
According to the second aspect of the invention, a kind of control method applied to aforementioned air conditioner is additionally provided, including：?
When air conditioner is run in a chiller mode, the suction hydrogen release state of each metal hydride heat exchanger is determined；Control is in hydrogen release state
Metal hydride heat exchanger refrigerant heat exchanging part and refrigerant circulation circuit between connecting line be connected to, and control in inhale hydrogen
Connecting line between the refrigerant heat exchanging part and refrigerant circulation circuit of the metal hydride heat exchanger of state blocks.
Further, air-cooled heat exchanging part includes the fan for driving outside air to flow through metal hydride heat exchanger, control
Method processed further includes：The fan of metal hydride heat exchanger of the control in hydrogen release state is closed, and is controlled to be in and inhaled hydrogen state
The fan of metal hydride heat exchanger run with setting speed.
According to the third aspect of the present invention, a kind of control method applied to aforementioned air conditioner is additionally provided, including：?
When air conditioner is run with heating mode, the suction hydrogen release state of each metal hydride heat exchanger is determined；Control is in suction hydrogen state
Metal hydride heat exchanger refrigerant heat exchanging part and refrigerant circulation circuit between connecting line be connected to, and control be in hydrogen release
Connecting line between the refrigerant heat exchanging part and refrigerant circulation circuit of the metal hydride heat exchanger of state blocks.
Further, air-cooled heat exchanging part includes the fan for driving outside air to flow through metal hydride heat exchanger, control
Method processed further includes：Fan of the control in the metal hydride heat exchanger for inhaling hydrogen state is closed, and is controlled and be in hydrogen release state
The fan of metal hydride heat exchanger run with setting speed.
Air conditioner of the present invention alternately exchanges heat with refrigerant using two metal hydride heat exchangers, so as to continue
Supply low temperature or high temperature refrigerant to indoor heat exchanger, and then realize the refrigeration or heating operation to indoor environment, it is simple in structure,
It is easy for installation.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
It can the limitation present invention.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the structural schematic diagram of the air conditioner of the present invention shown by an exemplary embodiment；
Fig. 2 is the flow chart one of the control method of the present invention shown by an exemplary embodiment；
Fig. 3 is the flowchart 2 of the control method of the present invention shown by an exemplary embodiment；
Wherein, 1, refrigerant circulation circuit；2, indoor heat exchanger；3, electrochemical compressor；4, metal hydride heat exchanger；5,
First triple valve；6, the second triple valve；7, inlet pipe；8, outlet tube road；9, liquid pump.
Specific implementation mode
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, it is not meant to automatically limit ranging from any single invention of the application
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, to
So that the process, method or equipment that include a series of elements include not only those elements, but also include being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference from other examples, just to refer each other for identical similar portion between each embodiment.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
As shown in Figure 1, the present invention provides a kind of air conditioner, air conditioner includes refrigerant circulation circuit 1 and hydrogen recycle stream
Road, wherein refrigerant circulation circuit 1 is used for flow line of the refrigerant in air conditioner, and interior is connected in refrigerant circulation circuit 1
Heat exchanger 2, so as to when refrigerant flows through indoor heat exchanger 2, exchange heat indoors with indoor environment in heat exchanger 2, with
Refrigeration cool-down or heating warming temperature are carried out to indoor environment；Hydrogen recycle stream road is used for flow duct of the hydrogen in air conditioner
Road, in one embodiment of the invention, hydrogen recycle stream route two metal hydride heat exchangers 4 and an electrochemical compression
Machine 3 is constituted, and metal hydride is filled in two metal hydride heat exchangers 4, and metal hydride can be absorbed when releasing hydrogen
Heat, heat can be released when absorbing hydrogen, and the present invention is using the metal hydride heat exchanger 4 in heat absorption state to cold
Refrigerant in matchmaker's circulation loop 1 cools down, so as to the low temperature refrigerant to the input of indoor heat exchanger 2 for refrigeration cool-down；
Alternatively, heated up to the refrigerant in refrigerant circulation circuit 1 using the metal hydride heat exchanger 4 in heat release state, to
The high temperature refrigerant for heating heating can be inputted to indoor heat exchanger 2.
It is understood that the refrigerant circulation circuit 1 of the present invention is changed with two metal hydrides for indoor heat exchanger 2
Refrigerant circulation conveying between hot device 4, to meet refrigerant demand when operation of air conditioner different mode.
Specifically, electrochemical compressor 3 is used as compressing and conveying the transfer end of hydrogen；In one embodiment of the invention
In, electrochemical compressor 3 realizes that the compression transmission to hydrogen, electrochemical compressor 3 include power supply and ionization using electrolysis mode
Solution chamber, and electrolysis side and reduction side are divided by ionic membrane, wherein the anode of electrolysis side connection power supply, reduction side connect
Connect the cathode of power supply；For hydrogen after inputting ionization solution chamber, electrochemical compressor 3 can ionize hydrogen, hydrogen ion in anode
It can be flowed freely in ionization solution, when the hydrogen ion of flowing enters reduction side across ionic membrane, electrochemical compressor 3 can be with
Using the cathodic reduction hydrogen of power supply, in this way, electrochemical compressor 3 can complete the pressure from electrolysis side to reduction side by hydrogen
Contracting transmission process.
In embodiment, the voltage swing of power supply can directly affect the electrolysis amount of hydrogen, and then influence to flow in ionization solution
Therefore dynamic electron ion quantity can be realized by the supply voltage of adjusting electrochemical compressor 3 and compressed and transmitted to hydrogen
The control of rate, in certain voltage range, the voltage that power supply is applied is bigger, and the rate of hydrogen compression and transmission is higher,
Then flow rate of the hydrogen in hydrogen recycle stream road is also faster, metal hydride suction/hydrogen release in metal hydride heat exchanger 4
Rate also improve therewith, in this way, the present invention can pass through control electrochemical compressor 3 supply voltage, control metal hydride
Thermal discharge/caloric receptivity of heat exchanger 4.
It should be noted that the ionization side of electrochemical compressor 3 of the present invention and reduction side are the anode and the moon according to voltage
Determined by extremely, i.e., the side corresponding to anode is always ionization side, and the side corresponding to cathode is always reduction side；Work as power supply
Voltage reversal when, then ionize the also corresponding variation of side and reduction side, in this way, air conditioner is by the switching to supply voltage direction,
The switching flowed to hydrogen is realized, for example, in the embodiment shown in fig. 1, the anode of power supply is connected to ionization solution chamber
Left side, then left side is as ionization side, and cathode is connected to the right side of ionization solution chamber, then right side be as reduction side, hydrogen from
Son is to flow to right side from left side, and then realize transmission process of the hydrogen from left side to the right in the flow direction of ionization solution chamber；
Similarly, after the switching of the voltage reversal of power supply, the anode of power supply is connected to the right side of ionization solution chamber, then right side is as electricity
From side, cathode is connected to the left side of ionization solution chamber, then left side is as reduction side, stream of the hydrogen ion in ionization solution chamber
It is flowed to the left on the right side of Xiang Weicong, so as to realize the transmission process of hydrogen to the left from right side, therefore electrochemistry of the present invention
Compressor 3 may be implemented to transmit operation to the positive and negative bi-directional compression of hydrogen.
In embodiment, two external ports are arranged in electrochemical compressor 3, and electrochemical compression is inputted or exported for hydrogen
Machine 3, two ports are respectively defined as first port and second port by the flow direction of hydrogen, the present invention for convenience of description, wherein
First port is communicated in the ionization film wherein side of ionization solution chamber, and second port is communicated in the ionization film of ionization solution chamber
Wherein side, so as to so that hydrogen from first port to electrolysis side input after, can via reduction side from second port export, or
Person can export via reduction side from first port, after hydrogen is from second port to the input of electrolysis side in this way, in electrochemical compression
After the supply voltage direction of machine 3 determines, hydrogen can be flowed along single flow direction, to realize Uniaxial Compression and the transmission of hydrogen.
And after the voltage reversal switching of electrochemical compressor 3, hydrogen is flowed along with aforementioned opposite flow direction, to realize hydrogen
Reverse compression and transmission.
In embodiment, flow direction of the hydrogen under different operating modes, the present invention change two metal hydrides for convenience of description
Hot device 4 is respectively defined as the first metal hydride heat exchanger 4 and the second metal hydride heat exchanger 4, and two metal hydrides change
Hot device 4 is both used as the terminal for inhaling hydrogen or hydrogen release, the first port phase of the first metal hydride heat exchanger 4 and electrochemical compressor 3
Connection, the second metal hydride heat exchanger 4 is connected with the second port of electrochemical compressor 3, according to electrochemistry pressure above-mentioned
The hydrogen that contracting machine 3 is controlled flows to process, and flow direction of the hydrogen on hydrogen recycle stream road of the present invention is divided into two, wherein first-class
It is flowed out to for hydrogen from the first metal hydride heat exchanger 4, via the compression and transmission of electrochemical compressor 3, hydrogen flows into the
In two metal hydride heat exchangers 4, during this, the metal hydride in the first metal hydride releases hydrogen, and from outer
Portion absorbs heat, in this way, the first metal hydride heat exchanger 4 is in hydrogen release heat absorption state；In second metal hydride heat exchanger 4
Metal hydride absorb hydrogen, and to outside release heat, in this way, the second metal hydride heat exchanger 4 be in inhale hydrogen heat release
State.Second flow direction is that hydrogen is flowed out from the second metal hydride heat exchanger 4, via the compression and transmission of electrochemical compressor 3,
Hydrogen flows into the first metal hydride heat exchanger 4, and during this, the metal hydride in the second metal hydride releases hydrogen
Gas, and heat is absorbed from outside, in this way, the second metal hydride heat exchanger 4 is in hydrogen release heat absorption state；First metal hydride
Metal hydride in heat exchanger 4 absorbs hydrogen, and releases heat to outside, in this way, the first metal hydride heat exchanger 4 is in
Inhale hydrogen heat release state.
The metal hydride heat exchanger 4 of air conditioner of the present invention is the heat exchanger of set volume, wherein being filled with quantitative gold
Belong to hydride, in this way, there can be the requirement for inhaling the hydrogen saturation upper limit in the metal hydride for inhaling hydrogen state, inhales hydrogen saturation reaching
After the upper limit, metal hydride does not continue to absorb hydrogen, will not externally release heat, electrochemical compressor 3 of the invention again
The direction of switching voltage power supply that will be in due course so that hydrogen flows to opposite flow direction flowing according to previous, and then is realized
The lasting suction hydrogen heat release of metal hydride heat exchanger 4 or hydrogen release heat absorption.
In order to realize heat exchange of the metal hydride heat exchanger 4 to the refrigerant in refrigerant circulation circuit 1, each gold of the invention
It includes the refrigerant heat exchanging part for refrigerant and metal hydride heat exchange to belong to hydride heat exchanger 4, and refrigerant heat exchanging part is connected to cold
Matchmaker's circulation loop 1, refrigerant can be absorbed when flowing to refrigerant heat exchanging part from from the metal hydride for inhaling hydrogen heat release state
Heat, so as to improve the temperature of refrigerant itself, the refrigerant after heating, which can be used for heating indoor environment, to heat up；Or
It is cold after cooling so as to reduce the temperature of refrigerant itself to the metal hydride releasing heat for state of absorbing heat in hydrogen release
Matchmaker can be used for indoor environment refrigeration cool-down.
In this way, under summer high temperature operating mode, the present invention can control the metal that refrigerant only flows through state of absorbing heat in hydrogen release
The refrigerant heat exchanging part of hydride heat exchanger 4, to be freezed to indoor environment using the refrigerant after cooling；Worst cold case in winter
Under, the present invention can control refrigerant and only flow through the refrigerant heat exchanging part in the metal hydride heat exchanger 4 for inhaling hydrogen heat release state, from
And the refrigerant after heating is utilized to heat indoor environment.
In one embodiment of the invention, refrigerant heat exchanging part is a refrigerant heat exchanger, and adjacent metal hydride exchanges heat
Device 4 is arranged, and when metal hydride heat exchanger 4 inhales hydrogen heat release, can improve the refrigerant temperature in its neighbouring refrigerant heat exchanger；
When 4 hydrogen release of metal hydride heat exchanger is absorbed heat, the refrigerant temperature in its neighbouring refrigerant heat exchanger can be reduced.
In another embodiment of the invention, metal hydride heat exchanger 4 is integrated, including mutually isolated but can
To carry out the refrigerant heat exchange chamber and metal hydride chamber of heat exchange, wherein the refrigerant of refrigerant circulation circuit 1 exchanges heat from refrigerant
Chamber flows in and out, and metal hydride is filled in metal hydride chamber, and hydrogen flows into stream out of metal hydride chamber
Go out, in this way, metal hydride inhaling hydrogen or during hydrogen release, the indoor refrigerant of refrigerant heat exchanging chamber can be carried out heating heating or
Person's cooling refrigeration.
In an embodiment of the present invention as shown in figure 1, refrigerant circulation circuit 1 is rectangular-ambulatory-plane pipeline structure, each metallic hydrogen
The refrigerant heat exchanging part of compound heat exchanger 4 is to be parallel to refrigerant circulation circuit 1, specifically, each refrigerant heat exchanging part has liquid
Pipeline 8 and inlet pipe 7, outlet tube road 8 are connected to refrigerant circulation circuit 1, and inlet pipe 7 is connected to refrigerant circulation circuit 1,
In, outlet tube road 8 is for making the refrigerant in refrigerant heat exchanging part after heat exchange flow out to the pipeline of refrigerant circulation circuit 1, feed liquor
Pipeline 7 is for making the refrigerant without heat exchange in refrigerant circulation circuit 1 flow into refrigerant heat exchanging part progress heat exchanger；It needs to illustrate
It is that the refrigerant in refrigerant circulation circuit 1 of the present invention is altogether by heat transfer process twice, wherein once flowing through indoor heat exchange for refrigerant
When device 2 and the heat exchange of indoor environment, in addition once changed with metal hydride heat exchanger 4 when flowing through refrigerant heat exchanging part for refrigerant
Signified refrigerant heat exchange is that refrigerant is flowing through interior in the function declaration of heat, present invention outlet tube road 8 above-mentioned and inlet pipe 7
When heat exchanger 2 and the heat exchange of indoor environment.
In embodiment, in summer condition, in repeatedly cutting for the supply voltage direction of electrochemical compressor 3 of the present invention
During changing, the refrigerant for indoor environment heat exchange is to replace and be in hydrogen release heat absorption shape in two metal hydride heat exchangers 4
The metal hydride heat exchanger 4 of state carries out heat exchange；In winter in the case of operating mode, in the power supply of electrochemical compressor 3 of the present invention
In the multiple handoff procedure of voltage direction, the refrigerant for indoor environment heat exchange is alternating and two metal hydride heat exchangers 4
In in inhale hydrogen heat release state metal hydride heat exchanger 4 carry out heat exchange；Therefore, in order to make to change from two metal hydrides
The outflow refrigerant of the refrigerant heat exchanging part of hot device 4 can flow through indoor heat exchanger 2, and indoor heat exchanger 2 of the present invention is set to two
On refrigerant pipeline between refrigerant heat exchanging part and the parallel connected end of refrigerant circulation circuit 1.
In embodiment, the quantity of indoor heat exchanger 2 is one or more, multiple indoor heat exchangers 2 be sequentially connected in series with
In refrigerant circulation circuit 1, it can be exchanged heat respectively to indoor environment in multiple indoor heat exchangers 2 with the refrigerant flowed through,
Improve the overall heat exchange amount of indoor heat exchanger 2.
In an embodiment of the present invention, each refrigerant heat exchanging part is realized and refrigerant circulation circuit by least two triple valves
1 is connected in parallel, specifically, triple valve includes the first triple valve 5, first triple valve 5 includes valve body, is set to the valve chamber of valve body
Interior valve block, first interface, second interface and third interface, wherein valve block has the of connection first interface and second interface
One valve position, the second valve position for being connected to first interface and third interface；First interface and second interface are serially connected on coolant loop, are gone out
Liquid pipeline 8 is connected on third interface；In this way, when the valve port of the first triple valve 5 is in the first valve position, first interface and second
Orifice, refrigerant is flowed along original flow direction of refrigerant circulation circuit 1, and the refrigerant of refrigerant heat exchanging part cannot be along outlet tube road 8
It flows into refrigerant circulation circuit 1；When the valve port of the first triple valve 5 is in the second valve position, second interface and third interface connect
Logical, refrigerant is blocked along original flow path of refrigerant circulation circuit 1, and the refrigerant of refrigerant heat exchanging part can be flowed into along outlet tube road 8
In refrigerant circulation circuit 1.In this way, can switch by adjusting the valve block valve position of the first triple valve 5, refrigerant circulation circuit 1 is controlled
Refrigerant circulation between the refrigerant heat exchanging part of each metal hydride heat exchanger 4 or blocking.
Triple valve further includes the second triple valve 6, the second triple valve 6 include valve body, the valve block being set in the valve chamber of valve body,
First interface, second interface and third interface, wherein valve block has the first valve position of connection first interface and second interface, connects
Second valve position of logical first interface and third interface；First interface and second interface are serially connected on coolant loop, and inlet pipe 7 connects
It is connected on third interface；In this way, when the valve port of the second triple valve 6 is in the first valve position, first interface is connected to second interface,
Refrigerant is flowed along original flow direction of refrigerant circulation circuit 1, and the refrigerant in refrigerant circulation circuit 1 cannot be flowed into along inlet pipe 7
Into refrigerant heat exchanging part；When the valve port of the first triple valve 5 is in the second valve position, second interface and third orifice, refrigerant
Original flow path along refrigerant circulation circuit 1 blocks, and the refrigerant of refrigerant circulation circuit 1 can flow into refrigerant along inlet pipe 7
In heat exchanging part.In this way, can be switched by adjusting the valve block valve position of the first triple valve 5, control refrigerant circulation circuit 1 and each gold
Belong to the refrigerant circulation between the refrigerant heat exchanging part of hydride heat exchanger 4 or blocks.
In embodiment, since outlet tube road 8 and inlet pipe 7 are connected to respectively in refrigerant circulation circuit 1, in order to flow through
The parallel connected end on outlet tube road 8 and refrigerant circulation circuit 1, can be with the refrigerant of inlet pipe 7 and the parallel connected end of refrigerant circulation circuit 1
Maintain the flow direction of original refrigerant circulation circuit 1, the second interface of the first triple valve 5 of the invention and the first of the second triple valve 6
Interface is connected, to ensure the continuity of the back-shaped flow direction of the refrigerant of refrigerant circulation circuit 1.
In previous embodiment, indoor heat exchanger 2 be set to two refrigerant heat exchanging part and refrigerant circulation circuit 1 parallel connected end it
Between refrigerant pipeline on, that is, be arranged in refrigerant circulation circuit 1, remove each refrigerant heat exchanging part the first triple valve 5 and the two or three
On other refrigerant pipelines except refrigerant pipeline between port valve 6.
In one embodiment of the invention, air conditioner is provided with the liquid pump 9 for driving refrigerant circulation, can be refrigerant
Flowing in refrigerant circulation circuit 1 and in refrigerant heat exchanging part provides power；In embodiment, liquid pump 9 is two, one of them
Liquid pump 9 is set on inlet pipe 7 or the outlet tube road 8 of the refrigerant heat exchanging part of the first metal hydride heat exchanger 4, another liquid
Pump 9 is set on inlet pipe 7 or the outlet tube road 8 of the refrigerant heat exchanging part of the second metal hydride heat exchanger 4.
In another embodiment of the present invention, the quantity of the liquid pump 9 for driving refrigerant circulation set by air conditioner
It it is one, which is set on the refrigerant pipeline between two refrigerant heat exchanging part and the parallel connected end of refrigerant circulation circuit 1, i.e.,
It is cold in addition to the refrigerant pipeline between the first triple valve 5 of each refrigerant heat exchanging part and the second triple valve 6 in previous embodiment
On other refrigerant pipelines of matchmaker's circulation loop 1.
In an embodiment of the present invention, the hydrogen being made of two metal hydride heat exchangers 4 and electrochemical compressor 3
It circulates and is set to outdoor unit of the air conditioner, generated low temperature cold or high temperature heat are by refrigerant circulation circuit 1
It is transferred in indoor environment with indoor heat exchanger 2, under single operating mode, due to the suction heat release of two metal hydride heat exchangers 4
State on the contrary, air conditioner of the present invention summer high temperature operating mode only utilize hydrogen release heat absorption metal hydride heat exchanger 4 to refrigerant into
Row cooling, and worst cold case only cools down to refrigerant using inhaling the exothermic metal hydride heat exchanger of hydrogen 4 in winter；Cause
This, is in order to accelerate another heat loss in the metal hydride heat exchanger 4 for inhaling hydrogen heat release state under summer high temperature operating mode, with
And under winter worst hot case it is another in hydrogen release heat absorption state metal hydride heat exchanger 4 heat absorption, of the invention is every
One metal hydride heat exchanger 4 is additionally provided with the air-cooled heat exchanging part for outside air and metal hydride heat exchange, embodiment
In, air-cooled heat exchanging part is driving fan can drive the air of outdoor environment to flow through correspondence by the rotary work of driving fan
Metal hydride heat exchanger 4, so as to so that metal hydride in air and the metal hydride heat exchanger 4 of outdoor environment
Carry out heat exchange.
In the embodiment of metal hydride heat exchanger 4 for stating integral structure before this invention, metal hydride chamber
Outer housing at least partly exposes in outdoor environment, so that the ambient outdoor air that driving fan is conveyed can be in exposed parts
Heat exchange is carried out with chamber shell in-vivo metal hydride, metal hydride heat exchanger 4 is improved and the heat exchange of outdoor environment is imitated
Rate.
In one embodiment of the invention, refrigerant be in heat exchanger 2 indoors by way of heat radiation with indoor ring
Border exchanges heat, therefore the type of the indoor heat exchanger 2 selected by air conditioner of the present invention is radiation recuperator.
In embodiment, the refrigerant type for heat exchange includes water or ethylene glycol etc..
As shown in Fig. 2, the present invention also provides a kind of controlling parties applied to the air conditioner disclosed in previous embodiment
The step of method can be used for the operation under summer high temperature operating mode to air conditioner and be controlled accordingly, control method include mainly：
S201, when air conditioner is run in a chiller mode, determine the suction hydrogen release state of each metal hydride heat exchanger；S202, control
Connecting line between the refrigerant heat exchanging part and refrigerant circulation circuit of metal hydride heat exchanger in hydrogen release state is connected to, and
Connecting tube roadlock of the control between the refrigerant heat exchanging part and refrigerant circulation circuit of metal hydride heat exchanger for inhaling hydrogen state
It is disconnected.
In an embodiment of the present invention, after air conditioner operation, electrochemical compressor 3 drives hydrogen in two metal hydrides
It is flowed between object heat exchanger 4, wherein since there are the hydrogen-sucking amount upper limits for the metal hydride in each metal hydride heat exchanger 4
With hydrogen desorption capacity lower limit, therefore air conditioner operation different phase, need the reality for repeatedly determining each metal hydride heat exchanger 4
When inhale hydrogen release state, so that electrochemistry pressure can be switched in time when metal hydride reaches the hydrogen-sucking amount upper limit or the hydrogen desorption capacity upper limit
The supply voltage direction of contracting machine 3, so that hydrogen is in next stage opposite direction flowing.The present invention defines hydrogen single from the first metal
Hydride reaches the hydrogen desorption capacity upper limit as the first stage when being conveyed to the second metal hydride, define hydrogen single from the second metal
Hydride reaches the hydrogen desorption capacity upper limit as second stage when being conveyed to the first metal hydride, first stage and second stage are phase
Two stages being mutually connected, the present invention both illustrated above-mentioned control method using the two stages as a cycle, this
The control method of invention is to repeat above-mentioned steps in the prolonged operational process of air conditioner, to two gold of control
Belong to hydride heat exchanger and refrigeration cool-down alternately is carried out to the refrigerant in refrigerant circulation circuit.In step s 201, the first metallic hydrogen
When compound heat exchanger 4 and the second metal hydride heat exchanger 4 are in the first stage, then the first metal hydride heat exchanger 4 is in
Hydrogen release state, the second metal hydride heat exchanger 4, which is in, inhales hydrogen state；In the first metal hydride heat exchanger 4 and the second metal
When hydride heat exchanger 4 is in second stage, then the first metal hydride heat exchanger 4, which is in, inhales hydrogen state, the second metal hydride
Object heat exchanger 4 is in hydrogen release state.
In step S201, due to hydrogen flow direction can direct reacting metal hydride suction hydrogen release state, and hydrogen
Flow direction is directly linked by the voltage direction of electrochemical compressor 3 again, therefore the electricity applied by judging electrochemical compressor 3
Pressure direction is the suction hydrogen release state that can determine two metal hydride hydride, for example, in 4 institute of the first metal hydride heat exchanger
The electrochemical compressor that 3 side of electrochemical compressor of connection is connected to by anode, the second metal hydride heat exchanger 4 of power supply
When 3 sides are the cathode of power supply, then the flow direction of hydrogen is to flow to the second metal hydride from the first metal hydride heat exchanger 4 to change
Hot device 4, at this point, the first metal hydride heat exchanger 4 is in hydrogen release state, the second metal hydride heat exchanger 4, which is in, inhales hydrogen shape
State；Similarly, when the voltage direction of the power supply of electrochemical compressor 3 reversely switches, then the first metal hydride heat exchanger 4 is in
Hydrogen state is inhaled, the second metal hydride heat exchanger 4 is in hydrogen release state.
In step S202, the refrigerant heat exchanging part of metal hydride heat exchanger 4 of the control in hydrogen release state is followed with refrigerant
Connecting line connection between loop back path 1, detailed process are that control is in the metal hydride heat exchanger 4 of hydrogen release state
First triple valve 5 of refrigerant heat exchanging part and the valve block of the second triple valve 6 are to the second valve position, so that refrigerant is flowed into along inlet pipe 7
After the refrigerant heat exchanging part of metal hydride heat exchanger 4 in hydrogen release state is cooled down, low temperature refrigerant is flowed into along outlet tube road 8
Into refrigerant circulation circuit 1, and continues to run to indoor heat exchanger 2 and exchange heat with indoor environment.
Meanwhile refrigerant heat exchanging part and refrigerant circulation circuit 1 of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state it
Between connecting line block, detailed process is, refrigerant heat exchanger of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state
The first triple valve 5 and the second triple valve 6 valve block to the first valve position, to make refrigerant be not passed through in the metal for inhaling hydrogen state
The refrigerant heat exchanging part of hydride heat exchanger 4.
In addition, control method of the present invention further includes：The wind of the metal hydride heat exchanger of S203, control in hydrogen release state
Fan is closed, and is controlled the fan in the metal hydride heat exchanger for inhaling hydrogen state and run with setting speed.
In step S203, due in embodiment two metal hydride heat exchangers 4 and electrochemical compressor 3 be setting
In outdoor unit, therefore the fan for controlling the metal hydride heat exchanger 4 in hydrogen release state is closed, it is possible to reduce outdoor environment with
The heat exchange amount of the metal hydride allows the metal hydride heat exchanger 4 that the refrigerant to its refrigerant heat exchanging part to be concentrated to change
Heat.
Meanwhile fan of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state is run with setting speed, can be accelerated
The heat exchange of the metal hydride heat exchanger 4 and outdoor environment, so that the metal hydride heat exchanger 4 is inhaled the heat released of hydrogen can be with
In quick loss to outdoor environment.
In addition, when set-up mode of the air conditioner using two liquid pumps 9 disclosed in previous embodiment, then its liquid pump 9
Control mode be：The inlet pipe 7 of the refrigerant heat exchanging part of metal hydride heat exchanger 4 of the control in hydrogen release state goes out liquid
Liquid pump 9 on pipeline 8 is run；The inlet pipe 7 of refrigerant heat exchanging part of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state
Or the liquid pump 9 on outlet tube road 8 is closed.
As shown in figure 3, in another embodiment of the invention, additionally providing a kind of be applied to disclosed in previous embodiment
Air conditioner control method, the operation that can be used under worst cold case in winter to air conditioner controlled accordingly, controlling party
The step of method includes mainly：S301, when air conditioner is run with heating mode, determine that the suction of each metal hydride heat exchanger is put
Hydrogen state；S302, control are between the refrigerant heat exchanging part and refrigerant circulation circuit of metal hydride heat exchanger for inhaling hydrogen state
Connecting line connection, and control in hydrogen release state metal hydride heat exchanger refrigerant heat exchanging part and refrigerant circulation circuit
Between connecting line block.
In step S301, when air conditioner is run with heating mode, air conditioner determines each metal hydride heat exchanger 4
The mode for inhaling hydrogen release state, is referred to determine each metal hydride when air conditioner in previous embodiment is run in a chiller mode
The mode of the suction hydrogen release state of heat exchanger 4.
In step s 302, refrigerant heat exchanging part of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state is followed with refrigerant
Connecting line connection between loop back path 1, detailed process are that control is in the metal hydride heat exchanger 4 for inhaling hydrogen state
First triple valve 5 of refrigerant heat exchanging part and the valve block of the second triple valve 6 are to the second valve position, so that refrigerant is flowed into along inlet pipe 7
After refrigerant heat exchanging part in the metal hydride heat exchanger 4 for inhaling hydrogen state is heated up, high temperature refrigerant is flowed into along outlet tube road 8
Into refrigerant circulation circuit 1, and continues to run to indoor heat exchanger 2 and exchange heat with indoor environment.
Meanwhile refrigerant heat exchanging part and the refrigerant circulation circuit 1 of metal hydride heat exchanger 4 of the control in hydrogen release state it
Between connecting line block, detailed process is, the refrigerant heat exchanger of metal hydride heat exchanger 4 of the control in hydrogen release state
The first triple valve 5 and the second triple valve 6 valve block to the first valve position, to make refrigerant be not passed through the metal in hydrogen release state
The refrigerant heat exchanging part of hydride heat exchanger 4.
In addition, control method of the present invention further includes：The wind of S303, control in the metal hydride heat exchanger for inhaling hydrogen state
Fan is closed, and the fan for controlling the metal hydride heat exchanger in hydrogen release state is run with setting speed.
In step S303, due in embodiment two metal hydride heat exchangers 4 and electrochemical compressor 3 be setting
In outdoor unit, therefore control the fan in the metal hydride heat exchanger 4 for inhaling hydrogen state and close, it is possible to reduce outdoor environment with
The heat exchange amount of the metal hydride allows the metal hydride heat exchanger 4 that the refrigerant to its refrigerant heat exchanging part to be concentrated to change
Heat.
Meanwhile the fan of metal hydride heat exchanger 4 of the control in hydrogen release state is run with setting speed, can be accelerated
The heat exchange of the metal hydride heat exchanger 4 and outdoor environment makes the metal hydride heat exchanger 4 quickly be absorbed from outdoor environment
Heat needed for hydrogen release.
In addition, when set-up mode of the air conditioner using two liquid pumps 9 disclosed in previous embodiment, then its liquid pump 9
Control mode be：The inlet pipe 7 of refrigerant heat exchanging part of the control in the metal hydride heat exchanger 4 for inhaling hydrogen state goes out liquid
Liquid pump 9 on pipeline 8 is run；The inlet pipe 7 of the refrigerant heat exchanging part of metal hydride heat exchanger 4 of the control in hydrogen release state
Or the liquid pump 9 on outlet tube road 8 is closed.
It should be understood that the invention is not limited in the flow and structure that are described above and are shown in the accompanying drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by the attached claims
System.
Claims (11)
1. a kind of air conditioner, which is characterized in that the air conditioner includes：
Refrigerant circulation circuit (1) and the indoor heat exchanger (2) being connected in the refrigerant circulation circuit (1)；
The hydrogen recycle stream road that two metal hydride heat exchangers (4) are constituted with electrochemical compressor (3), wherein
Electrochemical compressor (3) is used as compressing and conveying the transfer end of hydrogen,
Two metal hydride heat exchangers (4) are used as inhaling the terminal of hydrogen or hydrogen release, each metal hydride heat exchanger (4)
It is interior to be filled with metal hydride；
Each metal hydride heat exchanger (4) includes the refrigerant heat exchanging part for refrigerant and the metal hydride heat exchange
And the air-cooled heat exchanging part for outside air and the metal hydride heat exchange, wherein the refrigerant heat exchanging part is connected to
The refrigerant circulation circuit (1).
2. air conditioner according to claim 1, which is characterized in that each metal hydride heat exchanger (4) it is described
Refrigerant heat exchanging part is parallel to the refrigerant circulation circuit (1), wherein each refrigerant heat exchanging part have outlet tube road (8) and
Inlet pipe (7), the outlet tube road (8) are connected to the refrigerant circulation circuit (1), and the inlet pipe (7) is connected to institute
State refrigerant circulation circuit (1)；
The indoor heat exchanger (2) be set to two refrigerant heat exchanging part and the refrigerant circulation circuit (1) parallel connected end it
Between refrigerant pipeline on.
3. air conditioner according to claim 2, which is characterized in that the refrigerant heat exchanging part has：
First triple valve (5), first triple valve (5) includes valve body, the valve block that is set in the valve chamber of the valve body, first
Interface, second interface and third interface, wherein the valve block has the first valve position of connection first interface and second interface, connects
Second valve position of logical first interface and third interface；The first interface and the second interface are serially connected with the coolant loop
On, the outlet tube road (8) is connected on the third interface；
Second triple valve (6), second triple valve (6) includes valve body, the valve block that is set in the valve chamber of the valve body, first
Interface, second interface and third interface, wherein the valve block has the first valve position of connection first interface and second interface, connects
Second valve position of logical first interface and third interface；The first interface and the second interface are serially connected with the coolant loop
On, the inlet pipe (7) is connected on the third interface；
The second interface of first triple valve (5) is connected with the first interface of second triple valve (6).
4. air conditioner according to claim 2, which is characterized in that the air conditioner further includes for driving refrigerant circulation
Liquid pump (9), the liquid pump (9) are two, are respectively arranged at inlet pipe (7) or the outlet tube road of each refrigerant heat exchanging part
(8) on.
5. air conditioner according to claim 2, which is characterized in that the air conditioner further includes for driving refrigerant circulation
Liquid pump (9), the liquid pump (9) are one, and it is in parallel with the refrigerant circulation circuit (1) to be set to two refrigerant heat exchanging part
On refrigerant pipeline between end.
6. air conditioner according to claim 1, which is characterized in that the air conditioner includes indoor unit and outdoor unit, wherein
The indoor heat exchanger (2) is set to the indoor unit；
The hydrogen recycle stream road is set to the outdoor unit；The air-cooled heat exchanging part includes fan, for driving outside air
Flow through the metal hydride heat exchanger (4).
7. air conditioner according to claim 1, which is characterized in that the indoor heat exchanger (2) includes radiation recuperator.
8. a kind of control method of such as any one of them air conditioner of claim 1-7, which is characterized in that including：
When air conditioner is run in a chiller mode, the suction hydrogen release state of each metal hydride heat exchanger is determined；
Company between the refrigerant heat exchanging part and the refrigerant circulation circuit of metal hydride heat exchanger of the control in hydrogen release state
Pipeline connection is connect, and controls the refrigerant heat exchanging part in the metal hydride heat exchanger for inhaling hydrogen state and the refrigerant circulation circuit
Between connecting line block.
9. control method according to claim 8, which is characterized in that the air-cooled heat exchanging part includes for driving extraneous sky
Fan of the air-flow through the metal hydride heat exchanger,
The control method further includes：The fan of metal hydride heat exchanger of the control in hydrogen release state is closed, and at control
It is run with setting speed in the fan for the metal hydride heat exchanger for inhaling hydrogen state.
10. a kind of control method of such as any one of them air conditioner of claim 1-7, which is characterized in that including：
When air conditioner is run with heating mode, the suction hydrogen release state of each metal hydride heat exchanger is determined；
Company of the control between the refrigerant heat exchanging part and the refrigerant circulation circuit of metal hydride heat exchanger for inhaling hydrogen state
Pipeline connection is connect, and controls the refrigerant heat exchanging part of the metal hydride heat exchanger in hydrogen release state and the refrigerant circulation circuit
Between connecting line block.
11. control method according to claim 10, which is characterized in that the air-cooled heat exchanging part includes for driving the external world
Air flows through the fan of the metal hydride heat exchanger,
The control method further includes：Fan of the control in the metal hydride heat exchanger for inhaling hydrogen state is closed, and at control
It is run with setting speed in the fan of the metal hydride heat exchanger of hydrogen release state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282734.7A CN108800370A (en) | 2017-04-26 | 2017-04-26 | Air conditioner and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282734.7A CN108800370A (en) | 2017-04-26 | 2017-04-26 | Air conditioner and its control method |
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| CN108800370A true CN108800370A (en) | 2018-11-13 |
Family
ID=64069305
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| CN201710282734.7A Pending CN108800370A (en) | 2017-04-26 | 2017-04-26 | Air conditioner and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113329807A (en) * | 2018-11-23 | 2021-08-31 | 海厄特控股有限公司 | Battery plate assembly for a solid state compressor, solid state compressor and method for operating a solid state compressor |
| CN113465136A (en) * | 2021-04-26 | 2021-10-01 | 青岛海尔空调器有限总公司 | Control method and control device for refrigeration system and intelligent air conditioner |
| CN113654141A (en) * | 2021-08-06 | 2021-11-16 | 青岛海尔空调器有限总公司 | Method and device for controlling electrochemical refrigeration system and electrochemical refrigeration system |
| CN113739292A (en) * | 2021-08-06 | 2021-12-03 | 青岛海尔空调器有限总公司 | Method and device for controlling electrochemical refrigeration system and electrochemical refrigeration system |
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| CN113654141A (en) * | 2021-08-06 | 2021-11-16 | 青岛海尔空调器有限总公司 | Method and device for controlling electrochemical refrigeration system and electrochemical refrigeration system |
| CN113739292A (en) * | 2021-08-06 | 2021-12-03 | 青岛海尔空调器有限总公司 | Method and device for controlling electrochemical refrigeration system and electrochemical refrigeration system |
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Application publication date: 20181113 |