CN207778855U - Refrigeration system and air conditioner, heat pump with it - Google Patents

Refrigeration system and air conditioner, heat pump with it Download PDF

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Publication number
CN207778855U
CN207778855U CN201721602107.9U CN201721602107U CN207778855U CN 207778855 U CN207778855 U CN 207778855U CN 201721602107 U CN201721602107 U CN 201721602107U CN 207778855 U CN207778855 U CN 207778855U
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interface
cylinder
positive displacement
slide plate
displacement compressor
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CN201721602107.9U
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曾令华
廖四清
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Anhui Meizhi Precision Manufacturing Co Ltd
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Anhui Meizhi Precision Manufacturing Co Ltd
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Abstract

The utility model discloses a kind of refrigeration system and the air conditioner with it, heat pump, the refrigeration system include:Single cylinder positive displacement compressor, control device, First Heat Exchanger, the second heat exchanger, throttling set have air entry, exhaust outlet and transfiguration pressure interface with flow path, single cylinder positive displacement compressor is connected to;Control device includes first interface to the 4th interface, first interface is connected with exhaust outlet, third interface is connected with air entry, another when being connected with second interface one of in first interface and third interface in first interface and third interface is connected with the 4th interface;One end of connection flow path is connected with transfiguration pressure interface and the other end is connected between the 4th interface and one end of the second heat exchanger, and single cylinder positive displacement compressor is passed through the difference of the refrigerant pressure of transfiguration pressure interface by connection flow path to realize that the varying capacity of single cylinder positive displacement compressor is run.It is simple in structure according to the refrigeration system of the utility model embodiment and at low cost.

Description

Refrigeration system and air conditioner, heat pump with it
Technical field
The utility model is related to art of refrigeration units, more particularly, to a kind of refrigeration system and the air conditioner with it, heat Pump.
Background technology
In the related technology, single cylinder positive displacement compressor controls the transfiguration pressure of compressor often through a special triple valve The pressure of power interface come realize single cylinder positive displacement compressor varying capacity operation.However, above-mentioned single cylinder positive displacement compressor varying capacity fortune The structure of capable realization method is complex, and cost is higher.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose that a kind of refrigeration system, the structure of the refrigeration system are simple.
Another purpose of the utility model is to propose a kind of air conditioner with above-mentioned refrigeration system.
The further object of the utility model is to propose a kind of heat pump with above-mentioned refrigeration system.
According to the refrigeration system of the utility model first aspect embodiment, including:Single cylinder positive displacement compressor, the single cylinder become Positive displacement compressor has air entry, exhaust outlet and transfiguration pressure interface;Control device, the control device include first interface, Two interfaces, third interface and the 4th interface, the first interface are connected with the exhaust outlet, the third interface and the air-breathing Mouth is connected, when being connected with the second interface one of in the first interface and the third interface, described first Another in interface and the third interface is connected with the 4th interface;First Heat Exchanger, the one of the First Heat Exchanger End is connected with the second interface;Second heat exchanger, one end of second heat exchanger are connected with the 4th interface;Throttling dress It sets, the throttling set is connected between the other end of the First Heat Exchanger and the other end of second heat exchanger;Connection One end of flow path, the connection flow path is connected with the transfiguration pressure interface, and the other end for being connected to flow path is connected to described Between 4th interface and described one end of second heat exchanger, the single cylinder positive displacement compressor is passed through by the connection flow path The difference of the refrigerant pressure of the transfiguration pressure interface come realize the single cylinder positive displacement compressor varying capacity operation.
According to the refrigeration system of the utility model embodiment, traditional triple valve is eliminated so that single cylinder positive displacement compressor The realization method of varying capacity operation is relatively more simple, and relative reduction cost.
Some embodiments according to the present utility model, when the first interface is connected and the third with the 4th interface When interface is connected with the second interface, single cylinder positive displacement compressor full capacity operation, when the first interface and described the Two interfaces are connected and third interface when being connected with the 4th interface, the single cylinder positive displacement compressor portion capacity are run.
Some embodiments according to the present utility model, the single cylinder positive displacement compressor include first cylinder, bypass stream Road, break-make hole and break-make part, first cylinder have the first cylinder chamber, one end of the bypass flow path and first cylinder Chamber is connected, and the other end of the bypass flow path is connected with the air entry, the one end in the break-make hole and the bypass flow path phase Even, the other end in the break-make hole is connected with the transfiguration pressure interface, and the break-make part is movably arranged at the break-make hole Interior, the break-make part is used to control the conducting and partition of the bypass flow path, when the first interface and the 4th interface are led When the logical and described third interface is connected with the second interface, the break-make part stretches into and separates the bypass flow path so that described Single cylinder positive displacement compressor full capacity run, when the first interface be connected with the second interface and the third interface with it is described When 4th interface is connected, the bypass flow path is connected for the break-make part so that the single cylinder positive displacement compressor portion capacity is run.
Some embodiments according to the present utility model, the single cylinder positive displacement compressor include:One the second cylinder, described Two cylinders have the second cylinder chamber, and the first sliding vane groove, the second sliding vane groove and first row gas port are formed on second cylinder, Described in air entry and the exhaust outlet be formed on second cylinder, first sliding vane groove, the air entry, described Two sliding vane grooves and the exhaust outlet are set gradually along the circumferential direction of second cylinder, and the air entry and the exhaust outlet are neighbouring First sliding vane groove, the first exhaust mouth are formed in the cell wall of the side of the neighbouring air entry of second sliding vane groove On;Piston, the piston can be rolled along the inner wall of second cylinder chamber;First slide plate, first slide plate are movably set In first sliding vane groove;Second slide plate, second slide plate are located in second sliding vane groove, the neighbour of second slide plate It is formed with connectivity slot on one side surface of the nearly first row gas port, when second cylinder is stretched into the inner end of second slide plate The connectivity slot is suitable for second cylinder chamber being connected to the first row gas port when intracavitary;Locking channel, the locking are logical The one end in road is connected to second sliding vane groove and is communicated with the exhaust outlet, the other end and the transfiguration in the locking channel Pressure interface is connected;Lock assembly, the lock assembly are movably arranged in the locking channel, when the first interface with 4th interface conducting and when the third interface is connected with the second interface, the second cunning described in the lock assembly locking Piece makes second slide plate be maintained in second sliding vane groove so that the single cylinder positive displacement compressor full capacity is run, when described When first interface is connected with the second interface and the third interface is connected with the 4th interface, the lock assembly and institute State the second slide plate be detached from cooperation make the inner end of second slide plate stretch into second cylinder chamber and with the periphery of the piston Wall only supports so that the single cylinder positive displacement compressor portion capacity is run.
Some embodiments according to the present utility model, the single cylinder positive displacement compressor include:One third cylinder, described Three cylinders have third cylinder chamber, and third sliding vane groove, the 4th sliding vane groove and second exhaust port are formed on the third cylinder, Described in air entry and the exhaust outlet be formed on the third cylinder, the third sliding vane groove, the air entry, described Four sliding vane grooves and the exhaust outlet are set gradually along the circumferential direction of the third cylinder, and the air entry and the exhaust outlet are neighbouring The third sliding vane groove, the second exhaust port are formed in the cell wall of the side of the neighbouring air entry of the 4th sliding vane groove On;Piston, the piston can be rolled along the inner wall of the third cylinder chamber;Third slide plate, the third slide plate are movably set In the third sliding vane groove;4th slide plate, the 4th slide plate are located in the 4th sliding vane groove, the neighbour of the 4th slide plate It is formed with connectivity slot on one side surface of the nearly second exhaust port, when the third cylinder is stretched into the inner end of the 4th slide plate The connectivity slot is suitable for the third cylinder chamber being connected to the second exhaust port when intracavitary, and the 4th sliding vane groove has the back of the body Chamber, the back pressure cavity is pressed to be located at the outside of the outer end of the 4th slide plate, wherein the transfiguration pressure interface and the back pressure cavity Connection, when the first interface is connected with the 4th interface and the third interface is connected with the second interface, described The inner end of 4th slide plate is stretched into the cylinder chamber and is only supported so that the single cylinder positive displacement compressor with the periphery wall of the piston Portion capacity is run, when the first interface is connected and the third interface is connected with the 4th interface with the second interface When, the 4th slide plate is maintained in the 4th sliding vane groove so that single cylinder positive displacement compressor full capacity operation.
Some embodiments according to the present utility model, the connection flow path are pipeline.
Some embodiments according to the present utility model, the control device are four-way reversing valve.
Some embodiments according to the present utility model, the throttling set are electric expansion valve or capillary.
It is real according to the air conditioner of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model Apply the refrigeration system of example.
Implement according to the heat pump of the utility model third aspect embodiment, including according to the above-mentioned first aspect of the utility model The refrigeration system of example.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment Become apparent and is readily appreciated that, wherein:
Fig. 1 is the schematic diagram according to the refrigeration system of the utility model embodiment;
Fig. 2 is a kind of schematic diagram of the refrigeration system shown in Fig. 1 under operating status, and wherein the first of control device connects Mouth is connected with second interface and third interface is connected with the 4th interface;
Fig. 3 is schematic diagram of the refrigeration system shown in Fig. 1 under another operating status, wherein the first of control device Interface is connected with the 4th interface and third interface is connected with second interface.
Reference numeral:
100:Refrigeration system;
1:Single cylinder positive displacement compressor;11:Transfiguration pressure interface;
2:Control device;21:First interface;22:Second interface;
23:Third interface;24:4th interface;
3:First Heat Exchanger;4:Second heat exchanger;
5:Throttling set;6:It is connected to flow path.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.
Below with reference to Fig. 1-Fig. 3 descriptions according to the refrigeration system 100 of the utility model first aspect embodiment.Refrigeration system 100 can be applied to air conditioner (not shown).In the description below the application, air conditioner is applied to refrigeration system 100 For illustrate.Certainly, it will be understood to those skilled in the art that refrigeration system 100 can also be (not shown applied to heat pump Go out) etc..
As shown in Figure 1-Figure 3, according to the refrigeration system 100 of the utility model first aspect embodiment, including single cylinder transfiguration Compressor 1, control device 2, First Heat Exchanger 3, the second heat exchanger 4, throttling set 5 and it is connected to flow path 6.
Single cylinder positive displacement compressor 1 has air entry, exhaust outlet and transfiguration pressure interface 11.1 packet of single cylinder positive displacement compressor Include a cylinder.Single cylinder positive displacement compressor 1 can be run with varying capacity.Specifically, for example, when the refrigerant entered from air entry It is all discharged from exhaust outlet after above-mentioned cylinder compression, cylinder is in full load operating status at this time, and single cylinder positive displacement compressor 1 is complete Capacity is run;When only part is discharged, partly by side the refrigerant entered from air entry from exhaust outlet after above-mentioned cylinder compression Circulation passage flows back to the air entry of cylinder, and cylinder is in operation at part load state, 1 portion capacity of single cylinder positive displacement compressor fortune at this time Row.
Control device 2 includes first interface 21, second interface 22, third interface 23 and the 4th interface 24, control device 2 First interface 21 is connected with the exhaust outlet of single cylinder positive displacement compressor 1, third interface 23 and the single cylinder positive displacement compressor of control device 2 1 air entry is connected.When one of in the first interface 21 and third interface 23 of control device 2 with second interface 22 be connected When, another in first interface 21 and third interface 23 be connected with the 4th interface 24.That is, when the of control device 2 When one interface 21 is connected with second interface 22, third interface 23 and the 4th interface 24 are connected;When the first interface 21 of control device 2 When being connected with the 4th interface 24, third interface 23 is connected with second interface 22.
Optionally, control device 2 is four-way reversing valve.But not limited to this.It is understood that the structure of four-way reversing valve And operation principle etc. has been well known to those skilled in the art, details are not described herein.
One end (for example, left end in Fig. 1-Fig. 3) of First Heat Exchanger 3 is connected with the second interface 22 of control device 2, the One end (for example, left end in Fig. 1-Fig. 3) of two heat exchangers 4 is connected with the 4th interface 24 of control device 2, and throttling set 5 connects The other end (for example, right end in Fig. 1-Fig. 3) of First Heat Exchanger 3 and the other end of the second heat exchanger 4 are connected on (for example, Fig. 1- Right end in Fig. 3) between.
It is connected to the transfiguration pressure interface of one end (for example, lower end in Fig. 1-Fig. 3) and single cylinder positive displacement compressor 1 of flow path 6 11 are connected, and the other end (for example, upper end in Fig. 1-Fig. 3) of connection flow path 6 is connected to 24 He of the 4th interface of control device 2 Between above-mentioned one end of second heat exchanger 4.Single cylinder positive displacement compressor 1 is passed through the system of transfiguration pressure interface 11 by being connected to flow path 6 The difference of refrigerant pressure come realize single cylinder positive displacement compressor 1 varying capacity operation.Single cylinder positive displacement compressor 1 is to pass through transfiguration at this time Refrigerant pressure changes to realize the operation of its varying capacity at pressure interface 11.For example, the system at transfiguration pressure interface 11 When refrigerant pressure difference, single cylinder positive displacement compressor 1 can between full capacity and portion capacity switchover operation.
In particular, for example, as shown in Fig. 2, when first interface 21 and second interface 22 conducting of control device 2 and third When interface 23 and the 4th interface 24 are connected, the refrigerant for the high temperature and pressure being discharged from single cylinder positive displacement compressor 1 passes through control device 2 First interface 21 and second interface 22 followed by temperature and pressure after First Heat Exchanger 3, throttling set 5, the second heat exchanger 4 It continuously decreases, due to being connected to the setting of flow path 6, for the refrigerant of low pressure after flowing out the second heat exchanger 4, a part passes through control The 4th interface 24 and third interface 23 of device 2 flow back to compressor, and another part then flows to transfiguration pressure by connection flow path 6 and connects Mouth 11, can control run under one of which operational mode of the single cylinder positive displacement compressor 1 in full capacity and portion capacity at this time; As shown in figure 3, when the first interface 21 of control device 2 and the conducting of the 4th interface 24 and third interface 23 and the conducting of second interface 22 When, the refrigerant for the high temperature and pressure being discharged from single cylinder positive displacement compressor 1 is connect by the first interface 21 and the 4th of control device 2 It is divided into two-way after mouth 24, it is gradual followed by temperature and pressure after the second heat exchanger 4, throttling set 5, First Heat Exchanger 3 all the way It reduces, compressor is flowed back to after second interface 22 and third interface 23 that the refrigerant of this part low pressure passes through control device 2, it is another The refrigerant of road high pressure then flows to transfiguration pressure interface 11 by being connected to flow path 6, can control single cylinder positive displacement compressor 1 at this time It is run under another operational mode in full capacity and portion capacity.
As a result, according to the refrigeration system of the utility model embodiment 100, the 4th interface 24 of control device 2 is changed with second The refrigerant in flow path between above-mentioned one end of hot device 4 is between 21 to the 4th interface 24 of first interface of control device 2 The asynchronous pressure of mode of communicating is variation so that the pressure at transfiguration pressure interface 11 is different, so as to realize single cylinder The varying capacity of positive displacement compressor 1 is run.
According to the refrigeration system 100 of the utility model embodiment, traditional triple valve is eliminated so that single cylinder transfiguration is compressed The realization method of machine 1 varying capacity operation is relatively more simple, and relative reduction cost.
Some embodiments according to the present utility model, when the first interface 21 of control device 2 and the 4th interface 24 conducting and When third interface 23 is connected with second interface 22, the operation of 1 full capacity of single cylinder positive displacement compressor;When the first interface of control device 2 21 are connected and when third interface 23 and the 4th interface 24 are connected, 1 portion capacity of single cylinder positive displacement compressor is run with second interface 22. When refrigeration system 100 is applied to air conditioner, specifically, be connected when the first interface 21 of control device 2 and the 4th interface 24 and When third interface 23 is connected with second interface 22, as shown in figure 3, air conditioner heat-production is run, single cylinder positive displacement compressor 1 holds entirely at this time Amount operation;When the first interface 21 of control device 2 and second interface 22 are connected and third interface 23 and the 4th interface 24 are connected, As shown in Fig. 2, air conditioner refrigerating operaton, at this time 1 portion capacity of single cylinder positive displacement compressor operation.
As a result, when refrigeration system 100 is applied to air conditioner, since air conditioner is in the list for freezing with being needed when heating condition The capacity of cylinder positive displacement compressor 1 can be different, for example, the capacity that air conditioner needs when being run under heating condition is more than Its capacity needed when being run under cooling condition, the flow path between the 4th interface 24 and the second heat exchanger 4 of control device 2 Pressure in refrigeration, heating is variation, can just meet the transfiguration pressure interface 11 of driving single cylinder positive displacement compressor 1 Pressure to realize that 1 varying capacity of single cylinder positive displacement compressor is run, and then can promote the working performance of air conditioner.
For example, some specific embodiments according to the present utility model, single cylinder positive displacement compressor 1 may include first gas Cylinder, bypass flow path, break-make hole and break-make part, the first cylinder have the first cylinder chamber, one end of bypass flow path and the first cylinder chamber Be connected, the other end of bypass flow path is connected with air entry, and the one end in break-make hole is connected with bypass flow path, the other end in break-make hole and Transfiguration pressure interface 11 be connected, break-make part is movably arranged in break-make hole, break-make part be used for control bypass flow path conducting and Partition.When the first interface 21 of control device 2 and the conducting of the 4th interface 24 and third interface 23 and the conducting of second interface 22, Break-make part stretches into and separates bypass flow path so that 1 full capacity of single cylinder positive displacement compressor is run;When the first interface 21 of control device 2 When with the conducting of second interface 22 and third interface 23 and the conducting of the 4th interface 24, bypass flow path is connected so that single cylinder transfiguration in break-make part 1 portion capacity of compressor runs (not shown).As a result, by using it is above-mentioned include the first cylinder, bypass flow path, a break-make The single cylinder positive displacement compressor 1 in hole and break-make part, when 21 to the 4th interface 24 of first interface of control device 2 is with different connection sides When formula is connected to, the varying capacity operation of single cylinder positive displacement compressor 1 can be well realized.Moreover, the structure of single cylinder positive displacement compressor 1 Simply, it is easy to accomplish.
Wherein, it is formed with sliding vane groove on the first cylinder, air entry and exhaust outlet are located at both sides of the sliding vane groove and tight Adjacent sliding vane groove setting, on the cross section of the first cylinder, the above-mentioned one end in break-make hole can be located at air entry and exhaust outlet it Between and positioned at side of the air entry far from above-mentioned sliding vane groove.The refrigerant pressure of the above-mentioned one end in break-make hole is between air-breathing at this time Between refrigerant pressure and the refrigerant pressure of exhaust ports at mouthful.When the first interface 21 and the 4th interface of control device 2 When 24 conductings and third interface 23 and second interface 22 are connected, the refrigerant pressure of transfiguration pressure interface 11 is high pressure, due to logical The above-mentioned other end in disconnected hole is connected with transfiguration pressure interface 11, and the refrigerant pressure of the above-mentioned other end in such break-make hole is high pressure (suitable with the refrigerant pressure of exhaust ports), and the refrigerant pressure of the above-mentioned one end in break-make hole is less than the above-mentioned another of break-make hole The refrigerant pressure of one end, to which the break-make part in break-make hole will be stretched into bypass flow path under the action of its both sides pressure difference to incite somebody to action Bypass flow path is separated, and the refrigerant in the first cylinder chamber cannot enter in bypass flow path at this time, but in the first cylinder chamber It is all compressed, is finally discharged from exhaust outlet, hereby it is achieved that 1 full capacity of single cylinder positive displacement compressor is run.When control device 2 When first interface 21 is connected with second interface 22 and third interface 23 and the 4th interface 24 are connected, the refrigeration of transfiguration pressure interface 11 Agent pressure is low pressure, to which the refrigerant pressure of the above-mentioned other end being connected with transfiguration pressure interface 11 in break-make hole is low pressure, The refrigerant pressure of the above-mentioned one end in break-make hole is more than the refrigerant pressure of the above-mentioned other end in break-make hole at this time, to break-make hole Interior break-make part will be maintained in break-make hole under the action of its both sides pressure difference and bypass flow path will be connected, and be entered by air entry A part of to the refrigerant in the first cylinder chamber can enter in bypass flow path, and another part is then in the first cylinder chamber internal pressure It is discharged from exhaust outlet after contracting, hereby it is achieved that 1 portion capacity of single cylinder positive displacement compressor is run.
For example, when refrigeration system 100 is applied to air conditioner, as shown in Fig. 2, when air conditioner refrigerating operaton, control dress The pressure for setting the flow path between 2 the 4th interface 24 and the second heat exchanger 4 is low pressure, to be connected to single cylinder by being connected to flow path 6 The transfiguration pressure interface 11 of positive displacement compressor 1 is low pressure, and 1 portion capacity of single cylinder positive displacement compressor is run at this time;When air conditioner system When heat operation, the pressure of the flow path between the 4th interface 24 and the second heat exchanger 4 of control device 2 is high pressure, is connected to pass through The transfiguration pressure interface 11 that through-flow road 6 is connected to single cylinder positive displacement compressor 1 is high pressure, and 1 full capacity of single cylinder positive displacement compressor is transported at this time Row.
Other specific embodiments according to the present utility model, single cylinder positive displacement compressor 1 may include:One the second gas Cylinder, piston, the first slide plate, the second slide plate, locking channel and lock assembly, the second cylinder have the second cylinder chamber, the second gas The first sliding vane groove, the second sliding vane groove and first row gas port are formed on cylinder, wherein air entry and exhaust outlet is formed in the second cylinder On, the first sliding vane groove, air entry, the second sliding vane groove and exhaust outlet are set gradually along the circumferential direction of the second cylinder, air entry and exhaust Neighbouring first sliding vane groove of mouth, first exhaust mouth are formed on the cell wall of the side of the neighbouring air entry of the second sliding vane groove.Piston Inner wall along the second cylinder chamber can roll.First slide plate is movably arranged in the first sliding vane groove.Second slide plate is located at the second cunning In film trap, it is formed with connectivity slot on a side surface of the neighbouring first row gas port of the second slide plate, when the inner end of the second slide plate is stretched into Connectivity slot is suitable for the second cylinder chamber being connected to first row gas port when in the second cylinder chamber.The one end in locking channel and the second slide plate Slot is connected to and is communicated with exhaust outlet, and the other end in locking channel is connected with transfiguration pressure interface 11.Lock assembly is movably set In locking channel.When the first interface 21 of control device 2 and the conducting of the 4th interface 24 and third interface 23 and second interface 22 When conducting, the second slide plate is made to be maintained in the second sliding vane groove for the second slide plate of lock assembly locking so that single cylinder positive displacement compressor 1 is complete Capacity is run, when first interface 21 and the conducting of second interface 22 and the third interface 23 and the conducting of the 4th interface 24 of control device 2 When, lock assembly and the second slide plate be detached from cooperation make the inner end of the second slide plate stretch into the second cylinder chamber and with the periphery wall of piston It only supports so that 1 portion capacity of single cylinder positive displacement compressor operation (not shown).Here, it should be noted that direction "inner" can be with It is interpreted as the direction towards cylinder axis, opposite direction is defined as "outside", the i.e. direction far from cylinder axis.
Wherein, lock assembly may include lock piece and locking spring, and locking spring can be connected to the above-mentioned of lock piece The other end.
Specifically, when the first interface 21 of control device 2 and the conducting of the 4th interface 24 and third interface 23 and second interface When 22 conducting, the refrigerant pressure of transfiguration pressure interface 11 is high pressure, due to the above-mentioned other end and the transfiguration pressure in locking channel Interface 11 is connected, and the refrigerant pressure of the above-mentioned other end in such locking channel is the high pressure (refrigerant pressure with exhaust ports Quite), and the above-mentioned one end in locking channel is communicated with exhaust outlet, and the refrigerant pressure of the above-mentioned one end in locking channel is also at this time The high-pressure gas pressure of high pressure, lock piece both ends is offset, and under the action of locking spring, lock piece will stretch into the second sliding vane groove With by the second slide plate locking, to which the second slide plate may remain in the second sliding vane groove, the refrigerant in the second cylinder chamber at this time It will all be compressed in the second cylinder chamber, be finally discharged from exhaust outlet, hereby it is achieved that 1 full capacity of single cylinder positive displacement compressor is transported Row.When the first interface 21 of control device 2 and second interface 22 are connected and third interface 23 and the 4th interface 24 are connected, become The refrigerant pressure for holding pressure interface 11 is low pressure, to the above-mentioned other end being connected with transfiguration pressure interface 11 in locking channel Refrigerant pressure be low pressure, at this time the refrigerant pressure of the above-mentioned one end in locking channel be more than locking channel the above-mentioned other end Refrigerant pressure, to which the lock piece in locking channel will be maintained under the action of its both sides pressure difference in locking channel, the Two slide plates are released, to which the second slide plate can stretch into the second cylinder chamber under the action of its back pressure chamber high pressure and stop with piston It supports, it can be by the connectivity slot on the second slide plate from first exhaust to enter the refrigerant in the second cylinder chamber from air entry Mouth discharge, hereby it is achieved that 1 portion capacity of single cylinder positive displacement compressor is run.
As a result, by using it is above-mentioned include second cylinder, piston, the first slide plate, the second slide plate, locking channel and The single cylinder positive displacement compressor 1 of lock assembly, when 21 to the 4th interface 24 of first interface of control device 2 is with different mode of communicating When connection, the varying capacity operation of single cylinder positive displacement compressor 1 equally can be well realized.
Certainly, the utility model is without being limited thereto, when the first interface 21 of control device 2 and the conducting of the 4th interface 24 and third When interface 23 is connected with second interface 22, single cylinder positive displacement compressor 1 can be run with portion capacity;When the first of control device 2 When interface 21 is connected with second interface 22 and third interface 23 and the 4th interface 24 are connected, 1 full capacity of single cylinder positive displacement compressor fortune Row.
For example, some embodiments according to the present utility model, single cylinder positive displacement compressor 1 may include:One third cylinder, Piston, third slide plate and the 4th slide plate, third cylinder have third cylinder chamber, and third sliding vane groove, the are formed on third cylinder Four sliding vane grooves and second exhaust port, wherein air entry and exhaust outlet are formed on third cylinder, third sliding vane groove, air entry, Four sliding vane grooves and exhaust outlet are set gradually along the circumferential direction of third cylinder, and air entry and exhaust outlet are adjacent to third sliding vane groove, and second Exhaust outlet is formed on the cell wall of the side of the neighbouring air entry of the 4th sliding vane groove.Piston can be rolled along the inner wall of third cylinder chamber It is dynamic.Third slide plate is movably arranged in third sliding vane groove.4th slide plate is located in the 4th sliding vane groove, and neighbouring the of the 4th slide plate It is formed with connectivity slot on one side surface of two exhaust outlets, connectivity slot is suitable for when the inner end of the 4th slide plate is stretched into third cylinder chamber Third cylinder chamber is connected to second exhaust port, there is the 4th sliding vane groove back pressure cavity, back pressure cavity to be located at the outer end of the 4th slide plate Outside, wherein transfiguration pressure interface 11 are connected to back pressure cavity.When the first interface 21 of control device 2 and the 4th interface 24 conducting and When third interface 23 and second interface 22 are connected, the inner end of the 4th slide plate stretch into cylinder chamber and only supported with the periphery wall of piston with 1 portion capacity of single cylinder positive displacement compressor is set to run, when first interface 21 and second interface 22 conducting of control device 2 and third connects When mouth 23 and the 4th interface 24 are connected, the 4th slide plate is maintained in the 4th sliding vane groove so that 1 full capacity of single cylinder positive displacement compressor is transported Row (not shown).It is discharged still from second exhaust from exhaust outlet according to the pressure difference at the 4th slide plate both ends to control refrigerant in this way The varying capacity operation of single cylinder positive displacement compressor 1, but also the change of single cylinder positive displacement compressor 1 not only can be well realized in mouth discharge Capacitance type is simple.
It is understood that the specific transfiguration realization method of single cylinder positive displacement compressor 1 can specifically be set according to actual requirement Meter, and it is not limited to the above-mentioned three kinds of modes mentioned in the application.
Some alternative embodiments according to the present utility model, connection flow path 6 are pipeline.As a result, by using the shape of pipeline Formula so that having the advantages of simple structure and easy realization for connection flow path 6, it is easy for installation, convenient for arranging, and it is at low cost.
Optionally, throttling set 5 is electric expansion valve or capillary.
According to the refrigeration system 100 of the utility model embodiment, the above-mentioned such as four-way reversing valve of control device 2 is in addition to tool Have refrigeration, heating handoff functionality outside, also there is the transfiguration pressure interface 11 of the control single cylinder positive displacement compressor 1 of adaptability simultaneously Pressure, to realize single cylinder positive displacement compressor 1 refrigeration, heating can be run with varying capacity, reduce traditional triple valve, reduce Cost is also easier to realize in structure.
It is real according to the air conditioner of the utility model second aspect embodiment, including according to the above-mentioned first aspect of the utility model Apply the refrigeration system 100 of example.
According to the air conditioner of the utility model embodiment, by using above-mentioned refrigeration system 100 so that the knot of controller Structure is simpler, it is easy to accomplish, and cost is relatively low.
Implement according to the heat pump of the utility model third aspect embodiment, including according to the above-mentioned first aspect of the utility model The refrigeration system 100 of example.
According to the heat pump of the utility model embodiment, by using above-mentioned refrigeration system 100 so that the structure of controller It is simpler, it is easy to accomplish, and cost is relatively low.
It is constituted and is operated for the common skill in this field according to other of the air conditioner of the utility model embodiment and heat pump All it is known for art personnel, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (10)

1. a kind of refrigeration system, which is characterized in that including:
Single cylinder positive displacement compressor, the single cylinder positive displacement compressor have air entry, exhaust outlet and transfiguration pressure interface;
Control device, the control device include first interface, second interface, third interface and the 4th interface, and described first connects Mouth is connected with the exhaust outlet, and the third interface is connected with the air entry, when the first interface and the third interface In one of another when being connected with the second interface, in the first interface and the third interface with described Four interfaces are connected;
First Heat Exchanger, one end of the First Heat Exchanger are connected with the second interface;
Second heat exchanger, one end of second heat exchanger are connected with the 4th interface;
Throttling set, the throttling set are connected to the other end of the other end and second heat exchanger of the First Heat Exchanger Between;
It is connected to flow path, one end of the connection flow path is connected with the transfiguration pressure interface, and the other end of the connection flow path connects It is connected between the 4th interface and described one end of second heat exchanger,
The single cylinder positive displacement compressor is passed through the difference of the refrigerant pressure of the transfiguration pressure interface by the connection flow path To realize the varying capacity operation of the single cylinder positive displacement compressor.
2. refrigeration system according to claim 1, which is characterized in that when the first interface is connected with the 4th interface And the third interface with the second interface when being connected, single cylinder positive displacement compressor full capacity operation, connects when described first Mouth be connected with the second interface and when the third interface is connected with the 4th interface, single cylinder positive displacement compressor part Capacity is run.
3. refrigeration system according to claim 2, which is characterized in that the single cylinder positive displacement compressor includes first gas Cylinder, bypass flow path, break-make hole and break-make part, first cylinder have the first cylinder chamber,
One end of the bypass flow path is connected with first cylinder chamber, the other end of the bypass flow path and the air entry phase Even, the one end in the break-make hole is connected with the bypass flow path, the other end in the break-make hole and the transfiguration pressure interface phase Even, the break-make part is movably arranged in the break-make hole, the break-make part be used to control the bypass flow path conducting and Partition,
When the first interface is connected with the 4th interface and the third interface is connected with the second interface, it is described logical Broken piece stretches into and separates the bypass flow path so that the single cylinder positive displacement compressor full capacity is run, when the first interface and institute State second interface conducting and third interface when being connected with the 4th interface, the break-make part conducting bypass flow path with The single cylinder positive displacement compressor portion capacity is set to run.
4. refrigeration system according to claim 2, which is characterized in that the single cylinder positive displacement compressor includes:
One the second cylinder, second cylinder have the second cylinder chamber, and the first sliding vane groove, the are formed on second cylinder Two sliding vane grooves and first row gas port, wherein the air entry and the exhaust outlet are formed on second cylinder, described first Sliding vane groove, the air entry, second sliding vane groove and the exhaust outlet are set gradually along the circumferential direction of second cylinder, described Air entry and neighbouring first sliding vane groove of the exhaust outlet, the first exhaust mouth are formed in the neighbour of second sliding vane groove On the cell wall of the side of the nearly air entry;
Piston, the piston can be rolled along the inner wall of second cylinder chamber;
First slide plate, first slide plate are movably arranged in first sliding vane groove;
Second slide plate, second slide plate are located in second sliding vane groove, the neighbouring first exhaust of second slide plate It is formed with connectivity slot on one side surface of mouth, the connection when the inner end of second slide plate is stretched into second cylinder chamber Slot is suitable for second cylinder chamber being connected to the first row gas port;
Locking channel, the one end in the locking channel are connected to second sliding vane groove and are communicated with the exhaust outlet, the lock Only the other end in channel is connected with the transfiguration pressure interface;
Lock assembly, the lock assembly are movably arranged in the locking channel,
When the first interface is connected with the 4th interface and the third interface is connected with the second interface, the lock Only the second slide plate described in component locking makes second slide plate be maintained in second sliding vane groove so that the single cylinder transfiguration pressure Contracting machine full capacity is run, when the first interface is connected and the third interface is led with the 4th interface with the second interface When logical, the lock assembly is detached from cooperation with second slide plate that the inner end of second slide plate is made to stretch into second cylinder chamber It is interior and with the periphery wall of the piston only support so that the single cylinder positive displacement compressor portion capacity run.
5. refrigeration system according to claim 1, which is characterized in that the single cylinder positive displacement compressor includes:
One third cylinder, the third cylinder have third cylinder chamber, and third sliding vane groove, the are formed on the third cylinder Four sliding vane grooves and second exhaust port, wherein the air entry and the exhaust outlet are formed on the third cylinder, the third Sliding vane groove, the air entry, the 4th sliding vane groove and the exhaust outlet are set gradually along the circumferential direction of the third cylinder, described Air entry and the neighbouring third sliding vane groove of the exhaust outlet, the second exhaust port are formed in the neighbour of the 4th sliding vane groove On the cell wall of the side of the nearly air entry;
Piston, the piston can be rolled along the inner wall of the third cylinder chamber;
Third slide plate, the third slide plate are movably arranged in the third sliding vane groove;
4th slide plate, the 4th slide plate are located in the 4th sliding vane groove, the neighbouring second exhaust of the 4th slide plate It is formed with connectivity slot on one side surface of mouth, the connection when the inner end of the 4th slide plate is stretched into the third cylinder chamber Slot is suitable for the third cylinder chamber being connected to the second exhaust port, and the 4th sliding vane groove has back pressure cavity, the back pressure Chamber is located at the outside of the outer end of the 4th slide plate, wherein the transfiguration pressure interface is connected to the back pressure cavity, when described When one interface is connected with the 4th interface and the third interface is connected with the second interface, the inner end of the 4th slide plate It stretches into the cylinder chamber and only supports with the periphery wall of the piston so that the single cylinder positive displacement compressor portion capacity is run, when When the first interface is connected with the second interface and the third interface is connected with the 4th interface, the 4th slide plate It is maintained in the 4th sliding vane groove so that single cylinder positive displacement compressor full capacity operation.
6. refrigeration system according to any one of claims 1-5, which is characterized in that the connection flow path is pipeline.
7. refrigeration system according to claim 1, which is characterized in that the control device is four-way reversing valve.
8. refrigeration system according to claim 1, which is characterized in that the throttling set is electric expansion valve or capillary Pipe.
9. a kind of air conditioner, which is characterized in that include the refrigeration system according to any one of claim 1-8.
10. a kind of heat pump, which is characterized in that include the refrigeration system according to any one of claim 1-8.
CN201721602107.9U 2017-11-24 2017-11-24 Refrigeration system and air conditioner, heat pump with it Active CN207778855U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608089A (en) * 2020-12-08 2022-06-10 广东美的制冷设备有限公司 Air conditioner
CN114608156A (en) * 2020-12-08 2022-06-10 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114608089A (en) * 2020-12-08 2022-06-10 广东美的制冷设备有限公司 Air conditioner
CN114608156A (en) * 2020-12-08 2022-06-10 广东美的制冷设备有限公司 Air conditioner, control method and device thereof, and computer-readable storage medium
CN114608156B (en) * 2020-12-08 2024-05-28 广东美的制冷设备有限公司 Air conditioner, control method thereof, control device thereof and computer readable storage medium

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