CN104074763A - Double-stage enthalpy-increased rotor compressor and air conditioner and heat pump water heater with same - Google Patents
Double-stage enthalpy-increased rotor compressor and air conditioner and heat pump water heater with same Download PDFInfo
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- CN104074763A CN104074763A CN201310101068.4A CN201310101068A CN104074763A CN 104074763 A CN104074763 A CN 104074763A CN 201310101068 A CN201310101068 A CN 201310101068A CN 104074763 A CN104074763 A CN 104074763A
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Abstract
The invention provides a double-stage enthalpy-increased rotor compressor. The double-stage enthalpy-increased rotor compressor comprises a shell, a first air cylinder, a second air cylinder, a pump body partition plate, a lower flange and a lower flange cover plate. A first sliding piece groove is formed in the first air cylinder to contain a first sliding piece, a second sliding piece groove is formed in the second air cylinder to contain a second sliding piece, an enthalpy-increased refrigerant flow hole is formed in the second air cylinder, and a partition plate flow hole is communicated with the enthalpy-increased refrigerant flow hole and an air suction opening of the first air cylinder. The rotor compressor is characterized in that the side, close to the second air cylinder, of the pump body partition plate is provided with a partition plate ventilation groove, and the partition plate ventilation groove is communicated with the partition plate flow hole. The varying-capacity control technology is applied to the double-stage enthalpy-increased compressor, and the energy-saving effect is effectively improved.
Description
Technical field
The present invention relates to compressor field, especially, relate to a kind of two-stage enthalpy increasing rotor compressor and there is its air conditioner, heat pump water heater.
Background technique
Existing Dual-level enthalpy adding compressor: twin-stage compressor with rolling rotor divides two stage compression, first order cylinder sucks low-pressure gas, after compression, discharge medium pressure gas, it enters into the second level by pump housing inner sealing passage (intermediate cavity), as second level air inlet, the high pressure air of discharging after compression enters into housing, in intermediate cavity, is provided with making-up air device.
Existing double-cylinder variable-capacity compressor: the unloading by a cylinder realizes varying capacity and regulates, controls slide plate pressure at two ends balance during cylinder unloading, by slide plate laterally or longitudinally or the active force of substantially horizontal keep slide plate to depart from roller, cylinder unloading; During cylinder compression, slide plate outside is high pressure, and inside is low pressure, overcomes above-mentioned active force make slide plate be adjacent to roller by pressure difference effect, and cylinder normally compresses.
Variable volume compressor technology is generally used in duplex cylinder compressor, a cylinder runs well always, another cylinder can switch between unloading and operation, when compressor is single cylinder compression, operation during unloading, be twin-tub compression, coordinate converter technique hour can use single cylinder high frequency to obtain higher efficiency in ability.
Transfiguration duplex cylinder compressor can be changed into single cylinder and compresses by unloading a cylinder when Capability Requirement is lower, can obtain higher efficiency, no matter but be that single, double cylinder efficiency under the larger operating mode of compression ratio is all lower, at the larger operating mode of pressure ratio (ultralow temperature heats and superhigh temperature refrigeration etc.) compound compressor, than single stage compressor, there is significant efficiency advantage, but press smaller operating mode (middle refrigeration and centre heat etc.) efficiency poor, be not so good as single stage compressor.
Summary of the invention
Air conditioner, heat pump water heater that the object of the invention is to provide a kind of two-stage enthalpy increasing rotor compressor and has it, to solve under different operating modes, how two-stage enthalpy increasing rotor compressor realizes transfiguration is controlled and energy-conservation problem.
For achieving the above object, the invention provides two-stage enthalpy increasing rotor compressor, comprising:
Housing;
The first cylinder and the second cylinder, be arranged on enclosure interior;
Pump partition plate, is arranged between the first cylinder and the second cylinder, is provided with dividing plate opening on pump partition plate;
On the first cylinder, be provided with the first vane slot to hold the first slide plate, be provided with the second vane slot to hold the second slide plate on the second cylinder, the second cylinder is provided with and increases enthalpy refrigerant opening, and dividing plate opening is communicated with the intakeport that increases enthalpy refrigerant opening and the first cylinder;
Lower flange, lower flange is arranged on the bottom of the second cylinder;
Lower flange cover plate, lower flange cover plate is arranged on lower flange bottom, and forms intermediate cavity with lower flange sealing, is provided with the increasing enthalpy mouth being connected with intermediate cavity on lower flange;
The second slide plate has groove in addition at the end face of pressing close to pump partition plate one side, and the second slide plate has pin containing groove in the side end face away from pump partition plate, in order to hold the head of pin;
Pump partition plate also has dividing plate vent slot near the second cylinder one side, and dividing plate vent slot communicates with dividing plate air inlet duct.
Further, the second vane slot forms slide plate resigning hole near one end of the second cylinder outer circumferential side, pump partition plate also has dividing plate oil groove near the second cylinder one side, dividing plate oil groove comprises first end and the second end, when the second vane motion arrives lower dead center, the first end of dividing plate oil groove communicates with groove, and the second vane motion is during to top dead center, and dividing plate vent slot communicates with groove.
Further,
The second cylinder also has the second cylinder oil through that in the vertical direction runs through the second cylinder;
Lower flange also has the lower flange oil through that in the vertical direction runs through lower flange;
Lower flange cover plate has lower flange cover plate oil groove near on the end face of lower flange one side;
The second end of dividing plate oil groove, the second cylinder oil through, lower flange oil through and lower flange cover plate oil groove are interconnected.
Further,
On the second cylinder, also have refrigerant suction port, refrigerant suction port is upward through the second cylinder in the footpath of the second cylinder;
On lower flange, also have lower flange vent and lower flange refrigerant opening that in the vertical direction runs through lower flange, lower flange refrigerant opening is communicated with increasing enthalpy refrigerant opening;
Lower flange cover plate has lower flange cover plate vent slot near on the end face of lower flange one side, and lower flange cover plate vent slot is communicated with lower flange vent;
Refrigerant suction port on the second cylinder is also having the second cylinder vent near lower flange one side;
The second cylinder vent is connected refrigerant suction port with lower flange vent.
Further, also comprise Returnning spring, be provided with the pin hole that holds pin on lower flange, the afterbody of pin has accommodating part, and Returnning spring one end is arranged on lower flange cover plate, and the other end is arranged in accommodating part.
Further, pin hole is connected with lower flange cover plate vent slot.
Further, also comprise liquor separator, increase enthalpy pipe and COMM communication,
Liquor separator is single tube liquor separator, and the steam outlet pipe of liquor separator is connected with the intakeport being arranged on the second cylinder;
COMM communication is three-way valve, and the first suction tude of three-way valve is same pipeline with increasing enthalpy pipe, and the second suction tude of three-way valve is connected with the sucking pipe of liquor separator, and the steam outlet pipe of three-way valve is connected with increasing enthalpy mouth.
Further, on the steam outlet pipe of three-way valve, be also provided with liquid-storage container.
Further, also comprise liquor separator, increase enthalpy pipe and COMM communication,
COMM communication is three-way valve, and liquor separator is two-tube liquor separator, and the first steam outlet pipe of liquor separator is connected with the intakeport being arranged on the second cylinder, and the second steam outlet pipe of liquor separator and the first suction tude of three-way valve are same pipeline;
The second suction tude of three-way valve is connected with increasing enthalpy pipe, and the steam outlet pipe of three-way valve is connected with increasing enthalpy mouth.
Further, increasing enthalpy pipe is connected with the second suction tude of three-way valve by liquid-storage container.
The present invention also provides a kind of air conditioner, has comprised aforesaid two-stage enthalpy increasing rotor compressor.
The present invention also provides a kind of heat pump water heater, has comprised aforesaid two-stage enthalpy increasing rotor compressor.
The present invention has following beneficial effect:
Dual-level enthalpy adding compressor of the present invention has possessed under different operating modes, the feature that can switch between single-stage and twin-stage running: (ultralow temperature heats or high-temperature refrigeration) realizes the two-stage enthalpy increasing running of compressor when operating mode is more severe, improve cooling and heating efficiency, if common heat or cooling condition under, can select single-stage (single cylinder) operation, save the energy, improved the utilization ratio of compressor.In a word, by adjusting a wage scale, can adopt two-stage enthalpy increasing operation in the larger operating mode of pressure ratio, in the smaller operating mode of compression, adopt single-stage operation, obtain efficiency higher under different operating modes, realize better energy-saving effect.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in the embodiment of the present invention or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is two-stage enthalpy increasing rotor compressor pump body structure exploded perspective view of the present invention;
Fig. 2 is two-stage enthalpy increasing rotor compressor pump housing package assembly schematic top plan view of the present invention;
Fig. 3 is the pump partition plate structural representation of two-stage enthalpy increasing rotor compressor of the present invention;
Fig. 4 is the second slide vane structure schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention;
Fig. 5 is the second structural representation of air cylinder of two-stage enthalpy increasing rotor compressor of the present invention;
Fig. 6 is the lower flange structural representation of two-stage enthalpy increasing rotor compressor of the present invention;
Fig. 7 is the lower flange cover plate structure schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention;
Fig. 8 is the A-A cross-sectional schematic according to Fig. 2;
Fig. 9 is the B-B cross-sectional schematic according to Fig. 2;
Figure 10 is for analysing and observe the pump housing package assembly cross-sectional schematic of direction according to the C-C of Fig. 3;
Figure 11 is the second cylinder vane slot of two-stage enthalpy increasing rotor compressor of the present invention and the relative position schematic diagram of slide plate;
Figure 12 is that two-stage enthalpy increasing rotor compressor pump body structure of the present invention partly cuts open schematic diagram;
Figure 13 a is the second slide plate top dead center running position schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention;
Figure 13 b is the second slide plate lower dead center running position schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention;
Figure 14 is embodiment's one schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention; And
Figure 15 is embodiment's two schematic diagram of two-stage enthalpy increasing rotor compressor of the present invention.
Embodiment
Below in conjunction with drawings and Examples, compressor of the present invention is described in detail.
In description of the invention, orientation or the position relationship of the indication such as term " top ", " bottom " " top ", " below " are based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description rather than require the present invention with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
Referring to Fig. 1 to Figure 12 and Figure 14, the pump housing of the present invention mainly comprises the first cylinder 20, pump partition plate 30, bent axle 40, the second cylinder 50, lower flange 60, lower flange cover plate 100, wherein, pump partition plate 30 is arranged between the first cylinder 20 and the second cylinder 50, on pump partition plate 30, be provided with dividing plate opening 301, the refrigerant that completes heat transfer process from system is inhaled in the second cylinder 50 and is carried out low pressure compression by liquor separator, the mixing refrigerant that dividing plate opening 301 forms after mixing for the refrigerant after increasing enthalpy refrigerant is compressed with the second cylinder 50 is passed into the first cylinder 20 and carries out high pressure compressed.On the first cylinder 20, be also provided with the first vane slot (not shown), the first slide plate 70 is arranged in the first vane slot, the design of the first slide plate 70 and existing routine techniques are consistent, afterbody at the first slide plate 70 is provided with spring 701, in the working procedure of the first cylinder 20, under roller acting in conjunction in spring 701 and the first cylinder 20, the first slide plate 70 moves reciprocatingly.Similarly, referring to Fig. 5, on the second cylinder 50, be provided with the second vane slot 81, the second slide plate 80 holds and is arranged in the second vane slot 81, on the second cylinder 50, be also provided with and increase enthalpy refrigerant opening 501, increasing enthalpy refrigerant opening 501 is communicated with the intakeport (not shown) on dividing plate opening 301 and the first cylinder 20, refrigerant after increasing enthalpy refrigerant compresses with the second cylinder 50 is after the intermediate cavity 200 of lower flange 60 and the 100 sealing formation of lower flange cover plate is mixed, need to be first by increasing enthalpy refrigerant opening 501, again by dividing plate opening 301, finally the intakeport by the first cylinder 20 is inhaled in the first cylinder 20 and carries out high pressure compressed.
The second cylinder 50 of the present invention is low pressure press part, and the first cylinder 20 is high pressure compressed portion.The technical problem that will overcome in order to solve the present invention, the present invention has done corresponding improvement on the pump housing of Dual-level enthalpy adding compressor, will set forth respectively its structure to relating to the component of change below.
Referring to Fig. 3, as previously mentioned, on pump partition plate 30, except having dividing plate opening 301, also have the dividing plate vent slot 302 being communicated with dividing plate opening 301, dividing plate vent slot 302 is opened in the side end face near the second cylinder 50, on the other hand, on pump partition plate 30, also have dividing plate oil groove 303, at the same side of pump partition plate end face, dividing plate oil groove 303 is slender type with dividing plate vent slot 302, the first end of supposing its two ends is 303b, and the second end is 303a.About effect and the connected relation at its two ends, after content will set forth.
Referring to Fig. 4, Fig. 4 shows the structure of the second slide plate 80 of the present invention.After compressor pump Standard completes, end face near pump partition plate 30 1 sides has groove 801, and there is pin containing groove 802 away from the end face (i.e. the end face of close lower flange 60 1 sides) of pump partition plate 30 1 sides, for the head of pin 90 is positioned in pin containing groove 802.
Referring to Fig. 5 and Figure 13 a, Figure 13 b, Fig. 5 shows the structure of the second cylinder 50 of the present invention.As shown in Figure 5, on it, be provided with the second vane slot 81, the second vane slot 81 has formed slide plate resigning hole 811 in the one end near the second cylinder 50 outer circumferential sides, and the first end 303b of the dividing plate oil groove of telling about above, when the second slide plate 80 reciprocating, while moving to lower dead center (position when the second slide plate 80 moves to apart from slide plate resigning hole 811 centers farthest), just communicate with groove 801, when the second slide plate 80 moves to top dead center (the second slide plate 80 moves to position when nearest apart from slide plate resigning hole 811 centers), dividing plate vent slot 302 just communicates with groove 801.
As shown in Figure 5, on the second cylinder 50 of the present invention, be also provided with and increase enthalpy refrigerant opening 501, for mixing refrigerant is passed in dividing plate opening 301.Certainly, in order to suck refrigerant, carry out low pressure compression, be also provided with refrigerant suction port 504 on the second cylinder, refrigerant suction port 504 is diametrically through the second cylinder 50.
For the ease of a part for the high pressure oil in the oil sump of compressor bottom is drawn in dividing plate oil groove, on the second cylinder 50, also offer the second cylinder oil through 502, the second cylinder oil throughs 502 and run through in the axial direction the second cylinder 50.
Referring to Fig. 6, lower flange 60 of the present invention has lower flange oil through 601, and lower flange oil through 601 runs through lower flange 60 in the axial direction, and after the pump housing has assembled, lower flange oil through 601 communicates with aforesaid the second cylinder oil through 502.Referring to Fig. 5, on the passage of refrigerant suction port 504, near lower flange one side, also there is the second cylinder vent 503.Referring to Fig. 6, lower flange of the present invention also has lower flange vent 603, lower flange refrigerant opening 604 and holds the pin hole 602 of pin.Aforementioned the second cylinder vent 503 communicates with lower flange vent 603 after the pump housing has assembled, and the second cylinder vent 503 communicates with refrigerant suction port 504, thereby refrigerant suction port 504, the second cylinder vent 503 are interconnected with lower flange vent 603.Referring to Fig. 6 and Figure 10, lower flange of the present invention and lower flange cover plate for sealing form intermediate cavity 200, intermediate cavity 200 is for holding the refrigerant pressure refrigerant supplementary with increasing enthalpy after the second cylinder 50 low pressure compressions, two kinds of refrigerants complete the enthalpy process that increases after the interior mixing of intermediate cavity 200, the mixing refrigerant forming enters into the increasing enthalpy refrigerant opening 501 on the second cylinder 50 by lower flange refrigerant opening 604, then is inhaled in the first cylinder 20 and is carried out high pressure compressed by dividing plate opening 301.
Referring to Fig. 7, lower flange cover plate of the present invention has lower flange cover plate oil groove 102, lower flange cover plate oil groove 102 is communicated with compressor bottom oil sump, meanwhile, lower flange cover plate oil groove 102 is also interconnected with the second end 303a of lower flange oil through 601, the second cylinder oil through 502 and dividing plate oil groove 303.On the other hand, lower flange cover plate 100 of the present invention also has lower flange cover plate vent slot 101, the first end of supposing the two ends of lower flange cover plate vent slot 101 is 101a, the second end is 101b, lower flange cover plate vent slot 101 communicates with aforesaid lower flange vent 603 by first end 101a, and as set forth above, refrigerant suction port 504, the second cylinder vent 503 are interconnected with lower flange vent 603, so lower flange cover plate vent slot 101 is interconnected with refrigerant suction port 504, the second cylinder vent 503 and lower flange vent 603.
The present invention is mainly switched by controlling pressure between groove 801 on the second slide plate 80 and pin containing groove 802, whether realizes the locking of the second slide plate 80, thereby reaches the control object to the unloading of the second cylinder and load.Specifically, mainly by controlling the head pressure of pin 90, change to realize this purpose.
Referring to Fig. 8, in order to keep lubricated, in compressor, must there is a certain amount of lubricant oil, mainly concentrate in the oil sump of compressor bottom, rely on the rotation of bent axle 40 to take in the pump housing, the pump housing is lubricated and the oil sealing of slide plate, and like this because the first cylinder 20 turns round always, lubricant oil will be high pressure conditions.As narrated above, lower flange cover plate oil groove 102 is interconnected with the second end 303a of lower flange oil through 601, the second cylinder oil through 502 and dividing plate oil groove, and like this, lubricant oil can be logical by these holes and concentrated flow.
Referring to Figure 13 a, Figure 13 a shows the second slide plate 80 and moves to top dead center (the second slide plate 80 moves to position when nearest apart from slide plate resigning hole 811 centers), relative position relation between the second slide plate 80 and dividing plate vent slot 302, when the second slide plate 80 moves to top dead center, one end of dividing plate vent slot 302 with the second slide plate 80 on groove join, thereby make the two connection.Referring to Figure 13 b, when Figure 13 b shows the second slide plate 80 and moves to lower dead center (position when the second slide plate 80 moves to apart from slide plate resigning hole 811 centers farthest), the relative position relation of the second slide plate 80 and dividing plate oil groove 303, when the second slide plate 80 moves to lower dead center, the first end 303b of dividing plate oil groove 303 just with the second slide plate 80 on groove 801 join, the two is communicated with.
Referring to Fig. 9, pin 90 is positioned in the pin hole (not shown) on lower flange 60, the head of pin 90 is placed in the pin containing groove 802 of the second slide plate 80, the afterbody of pin 90 also has accommodating part 902, and one end of Returnning spring 91 is placed in accommodating part 902, the other end is placed on the end face of lower flange cover plate 100, specifically, is arranged on the second end 101b of lower flange cover plate vent slot 101.As narrated above, lower flange cover plate vent slot 101 is interconnected with refrigerant suction port 504, the second cylinder vent 503 and lower flange vent 603, the refrigerant sucking due to the second cylinder 50 is again the low-temp low-pressure refrigerant that completes heat transfer process from system, and the afterbody of pin 90 will be low pressure like this.
When compressor moves in two-stage enthalpy increasing mode, when the second slide plate 80 runs to top dead center, the groove 801 of the second slide plate 80 communicates with dividing plate vent slot 302, because dividing plate vent slot 302 communicates with dividing plate opening 301, so now dividing plate vent slot 302 is intermediate pressure, like this, the groove 801 of the second slide plate 80 is also intermediate pressure.Because the movement velocity of the second slide plate 80 is very fast, when the second slide plate 80 disengaging top dead centers move to lower dead center, can the certain medium pressure gas of storage at the groove 801 of the second slide plate 80.Because the motion of the second slide plate 80 is very fast, when the second slide plate 80 runs to lower dead center, the groove 801 of the second slide plate 80 is just connected with dividing plate oil groove 303, now because dividing plate oil groove 303 the insides are high pressure oils, so, high pressure oil will enter into the groove 801 of the second slide plate 80, and stores in groove 801 the insides.
When the second slide plate 80 runs to top dead center, the enclosed cavity (not shown) that the groove 801 of the second slide plate 80 forms with slide plate resigning hole 811 on the second cylinder 50 is connected, because enclosed cavity is now middle pressure, the high pressure oil that is stored in groove 801 the insides of the second slide plate 80 will be dropped in the head of pin 90 under the effect of self gravitation.Because the afterbody of pin 90 is now connected with the refrigerant suction port 504 on the second cylinder 50, be low pressure.So oil will be assembled to pin hole, thereby be full of the gap of pin 90 and pin hole, reach the effect of sealing.
Referring to Figure 14, Figure 14 shows the main structure schematic diagram (motor component is not shown) according to embodiment's one provided by the invention two-stage enthalpy increasing rotor compressor, and its pump body structure is aforesaid pump body structure.Its single-stage and Two-stage Compression work and switching principle are as follows: three-way valve 22 adopts two to enter a structure outing, be three-way valve 22 control two suction tude 5 and 6 and the conducting of three-way valve steam outlet pipe 4 whether, the first suction tude 5 and the increasing enthalpy pipe of compressor of three-way valve 22 are same pipeline, the second suction tude 6 of three-way valve 22 is connected with the sucking pipe 7 of liquor separator, three-way valve steam outlet pipe 4 is connected with 60 increasing enthalpy mouth 9 on lower flange by liquid-storage container 3, prevents that liquid hammer from appearring in compressor.Liquor separator 1 is single tube liquor separator, and liquor separator 1 only has a steam outlet pipe, and liquor separator steam outlet pipe 2, and the suction tude of liquor separator and the suction tude of compressor are same pipeline, and liquor separator steam outlet pipe 2 is connected with the refrigerant suction port 504 on the second cylinder.
During single stage compression, three-way valve 22 is controlled the first suction tude 5 and is closed, increasing enthalpy refrigerant cannot enter in the middle of lower flange 60 by three-way valve 22, three-way valve 22 control the second suction tude 6 are connected with three-way valve steam outlet pipe 4 simultaneously, and the low pressure refrigerant that completes heat transfer process from system enters with liquid-storage container 3 intermediate cavity being formed by lower flange cover plate 100 and lower flange 60 sealings by the second suction tude 6, three-way valve steam outlet pipe 4.The second vane slot 81 on the second cylinder 50 is through aforesaid design, can be by forming enclosed cavity with pump partition plate 30, lower flange 60 assemblings, and the head of pin 90 is communicated with enclosed cavity, within the afterbody of pin 90 is placed in enclosed cavity, the afterbody of pin 90 is communicated with the refrigerant suction port 504 of the second cylinder 50, and intermediate cavity 200 is connected with the enclosed cavity at the afterbody place of pin 90 by refrigerant suction port 504, the second cylinder vent 503, lower flange vent 603, the lower flange cover plate vent slot 101 of the second cylinder 50.
Now, because the enclosed cavity at afterbody place and the refrigerant suction port 504 of the second cylinder 50 of intermediate cavity 200, pin 90 is all low-pressure gas, so the afterbody of pin 90 and head are all low pressure, therefore move on pin 90 under the effect of Returnning spring 91, block the second slide plate 80, the second slide plate 80 stop motions, the second cylinder 50 unloadings.The first cylinder 20, by refrigerant suction port 504 air inlets of the second cylinder 50, then compresses, and the first cylinder 20 runs well, the work of compressor single-stage.
During two-stage enthalpy increasing, control three-way valve 22 and switch, make to increase that enthalpy pipe (being the first suction tude 5 of three-way valve 22) is communicated with three-way valve steam outlet pipe 4, the second suction tude 6 and three-way valve steam outlet pipe 4 seal not conducting.
From completing the low pressure refrigerant of heat exchange system, through liquor separator 1, enter the second cylinder 50 and carry out being discharged into the intermediate cavity 200 being surrounded by lower flange cover plate 100 and lower flange 60 after low pressure compression.Now owing to increasing enthalpy pipe (being the first suction tude 5 of three-way valve 22), be communicated with three-way valve steam outlet pipe 4, compressor starts to increase enthalpy to intermediate cavity 200 tonifying Qi by increasing enthalpy pipe (being the first suction tude 5 of three-way valve 22), three-way valve 22 and liquid-storage container 3.After the refrigerant that this portion gas supplementing has compressed with the second cylinder 50 mixes, by aforesaid lower flange refrigerant opening 604, increasing enthalpy refrigerant opening 501, dividing plate opening 301, enter into the first cylinder 20 and carry out high pressure compressed, complete after compression, gas is discharged in housing, then is discharged in the middle of system by the outlet pipe (not shown) on housing.
Simultaneously, during as single stage compression, describe, the second vane slot 81 on the second cylinder 50 is through aforesaid design, can can form enclosed cavity by the assembling with pump partition plate, lower flange, and the head of pin is communicated with enclosed cavity, within the afterbody of pin 90 is placed in enclosed cavity, the afterbody of pin is communicated with the refrigerant suction port of the second cylinder.
Now, the head pressure of pin is from intermediate cavity, and in intermediate cavity, for mixing refrigerant, pressure is intermediate pressure.The afterbody of pin communicates with the refrigerant suction port of the second cylinder, is low pressure.So now head and the afterbody at pin just formed pressure difference, under the effect of pressure difference, pin moves down.The locking of the second slide plate is disengaged, and recovers proper motion, and the second cylinder is normally worked, and can carry out low pressure compression.
Referring to Figure 15, the compressor pump body structure in Figure 15 is identical with the pump body structure of Figure 14, therefore same parts repeating label no longer, Figure 15 has mainly listed the label of liquor separator, three-way valve and associated pipe.Figure 15 shows the main structure schematic diagram (motor component is not shown) according to embodiment's two provided by the invention two-stage enthalpy increasing rotor compressor, and its pump body structure is aforesaid pump body structure.
Identical with shown in Two-stage Compression work and switching principle and Figure 14 of embodiment two single-stage, difference is the structure of liquor separator, the layout of liquid-storage container.Embodiment two liquor separator 1a is two-tube liquor separator, be that liquor separator 1a has two steam outlet pipes, be respectively 2a and 2b, the first steam outlet pipe 2a is connected with the refrigerant suction port 504 of the second cylinder 50, the second steam outlet pipe 2b has formed the first suction tude of three-way valve 22, and the second steam outlet pipe 2b of the first suction tude of three-way valve 22 and liquor separator 1a is same pipeline.Three-way valve 22 also has the second suction tude 4a, and the second suction tude 4a is connected with increasing enthalpy pipe 5 by liquid-storage container 3.Three-way valve 22 also has steam outlet pipe 8a, and steam outlet pipe 8a is connected with the increasing enthalpy mouth 9 being arranged on lower flange.
Concrete principle is the same, repeats no more, during single stage compression herein, three-way valve 22 switches, make the first suction tude and steam outlet pipe 8a conducting, the second suction tude 4a and not conducting of steam outlet pipe 8a, like this, just realized the single stage compression of the embodiment one as described in Figure 14, and two-stage enthalpy increasing when compression, only need switch three-way valve 22, make the first suction tude and not conducting of steam outlet pipe 8a, the second suction tude 4a and steam outlet pipe 8a conducting, like this, just realized the Two-stage Compression of the embodiment one as described in Figure 14.
From above description, can find out, the present invention has realized following technique effect: according to different operating mode needs, pass through COMM communication, two-stage enthalpy increasing rotor compressor can be switched between single-stage and Two-stage Compression, by adjusting a wage scale, can adopt two-stage enthalpy increasing operation in the larger operating mode of compression ratio, in the smaller operating mode of compression, adopt single stage compression operation, realize better energy-saving effect.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a two-stage enthalpy increasing rotor compressor, comprising:
Housing;
The first cylinder and the second cylinder, be arranged on described enclosure interior;
Pump partition plate, is arranged between described the first cylinder and described the second cylinder, is provided with dividing plate opening on described pump partition plate;
On described the first cylinder, be provided with the first vane slot to hold the first slide plate, on the second cylinder, be provided with the second vane slot to hold the second slide plate, described the second cylinder is provided with and increases enthalpy refrigerant opening, and described dividing plate opening is communicated with the intakeport of described increasing enthalpy refrigerant opening and the first cylinder;
Lower flange, described lower flange is arranged on the bottom of described the second cylinder;
Lower flange cover plate, described lower flange cover plate is arranged on described lower flange bottom, and forms intermediate cavity with described lower flange sealing, is provided with the increasing enthalpy mouth being connected with described intermediate cavity on described lower flange;
It is characterized in that, described the second slide plate has groove in addition at the end face of pressing close to described pump partition plate one side, and described the second slide plate has pin containing groove in the side end face away from described pump partition plate, in order to hold the head of described pin;
Described pump partition plate also has dividing plate vent slot near described the second cylinder one side, and described dividing plate vent slot communicates with described dividing plate opening.
2. two-stage enthalpy increasing rotor compressor according to claim 1, it is characterized in that, described the second vane slot forms slide plate resigning hole near one end of described the second cylinder outer circumferential side, described pump partition plate also has dividing plate oil groove near described the second cylinder one side, described dividing plate oil groove comprises first end and the second end, when described the second vane motion arrives lower dead center, the first end of described dividing plate oil groove communicates with described groove, described the second vane motion is during to top dead center, and described dividing plate vent slot communicates with described groove.
3. two-stage enthalpy increasing rotor compressor according to claim 2, is characterized in that:
Described the second cylinder also has the second cylinder oil through that in the vertical direction runs through described the second cylinder;
Described lower flange also has the lower flange oil through that in the vertical direction runs through described lower flange;
Described lower flange cover plate has lower flange cover plate oil groove near on the end face of described lower flange one side;
The second end of described dividing plate oil groove, the second cylinder oil through, lower flange oil through and described lower flange cover plate oil groove are interconnected.
4. two-stage enthalpy increasing rotor compressor according to claim 1, is characterized in that:
On described the second cylinder, also have refrigerant suction port, described refrigerant suction port is upward through described the second cylinder in the footpath of described the second cylinder;
On described lower flange, also have lower flange vent and lower flange refrigerant opening that in the vertical direction runs through described lower flange, described lower flange refrigerant opening is communicated with described increasing enthalpy refrigerant opening;
Described lower flange cover plate has lower flange cover plate vent slot near on the end face of described lower flange one side, and described lower flange cover plate vent slot is communicated with described lower flange vent;
Refrigerant suction port on described the second cylinder is also having the second cylinder vent near described lower flange one side; Described the second cylinder vent is connected described refrigerant suction port with described lower flange vent.
5. two-stage enthalpy increasing rotor compressor according to claim 4, it is characterized in that, also comprise Returnning spring, on described lower flange, be provided with the pin hole that holds described pin, the afterbody of described pin has accommodating part, described Returnning spring one end is arranged on described lower flange cover plate, and the other end is arranged in described accommodation section.
6. two-stage enthalpy increasing rotor compressor according to claim 5, is characterized in that, described pin hole is connected with described lower flange cover plate vent slot.
7. according to the two-stage enthalpy increasing rotor compressor described in claim 1-6 any one, it is characterized in that, also comprise liquor separator, increase enthalpy pipe and COMM communication,
Described liquor separator is single tube liquor separator, and the steam outlet pipe of described liquor separator is connected with the intakeport being arranged on described the second cylinder;
Described increasing enthalpy pipe is three-way valve with being arranged on COMM communication described in described lower flange, the first suction tude of described three-way valve and described increasing enthalpy pipe are same pipeline, the second suction tude of described three-way valve is connected with the sucking pipe of described liquor separator, and the steam outlet pipe of described three-way valve is connected with described increasing enthalpy mouth.
8. two-stage enthalpy increasing rotor compressor according to claim 7, is characterized in that, is also provided with liquid-storage container on the steam outlet pipe of described three-way valve.
9. according to the two-stage enthalpy increasing rotor compressor described in claim 1-6 any one, it is characterized in that, also comprise liquor separator, increase enthalpy pipe and COMM communication,
Described COMM communication is three-way valve, described liquor separator is two-tube liquor separator, the first steam outlet pipe of described liquor separator is connected with the refrigerant suction port being arranged on described the second cylinder, and the second steam outlet pipe of described liquor separator and the first suction tude of described three-way valve are same pipeline;
The second suction tude of described three-way valve is connected with described increasing enthalpy pipe, and the steam outlet pipe of described three-way valve is connected with described increasing enthalpy mouth.
10. two-stage enthalpy increasing rotor compressor according to claim 9, is characterized in that, described increasing enthalpy pipe is connected with the second suction tude of described three-way valve by liquid-storage container.
11. 1 kinds of air conditioners, comprise compressor, it is characterized in that, described compressor is the two-stage enthalpy increasing rotor compressor described in any one in claim 1 to 10.
12. 1 kinds of heat pump water heaters, comprise compressor, it is characterized in that, described compressor is the two-stage enthalpy increasing rotor compressor described in any one in claim 1 to 10.
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| CN201310101068.4A CN104074763B (en) | 2013-03-26 | 2013-03-26 | Two-stage enthalpy increasing rotor compressor and there is its air conditioner, Teat pump boiler |
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| CN201310101068.4A CN104074763B (en) | 2013-03-26 | 2013-03-26 | Two-stage enthalpy increasing rotor compressor and there is its air conditioner, Teat pump boiler |
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| CN104074763B CN104074763B (en) | 2018-01-05 |
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