CN104500398A - Compressor and controlling method - Google Patents
Compressor and controlling method Download PDFInfo
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- CN104500398A CN104500398A CN201410660572.2A CN201410660572A CN104500398A CN 104500398 A CN104500398 A CN 104500398A CN 201410660572 A CN201410660572 A CN 201410660572A CN 104500398 A CN104500398 A CN 104500398A
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- seal membrane
- compressor
- cylinder
- step hole
- gas channel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/56—Number of pump/machine units in operation
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- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to the compressor field, and discloses a compressor and a controlling method. The compressor comprises the following components: an upper cylinder, a separator plate and a lower cylinder which are arranged from up to down, the upper cylinder and the separator plate are communicated through an upper gas channel, a diaphragm accommodation chamber capable of communicating the upper gas channel and a lower cylinder is arranged between the separator plate and the lower cylinder, a seal membrane sheet is arranged in the diaphragm accommodation chamber, the seal membrane sheet is capable of moving between a first position and a second position in the diaphragm accommodation chamber; the seal membrane sheet seals the upper gas channel at the first position; and the upper gas channel and the lower cylinder are communicated at the second position. The compressor uses the seal membrane sheet and a guiding column, so that the compressor has the advantages of simple structure and easy assembling, cost of the compressor is low due to cancelled non return valve, welding of the non return valve is not required during a production process, problem of large noise of the compressor during the usage process can be effectively improved, so that the product has market competitiveness.
Description
Technical field
The present invention relates to compressor field, disclose a kind of compressor and controlling method thereof more specifically.
Background technique
What double-cylinder capacity variable compressor of the prior art adopted is that double suction air pipe structure realizes carrying out transfiguration to the compression process of compressor, its working principle is that a sucking pipe in double suction tracheae arranges an one-way valve, by introducing low pressure or pressurized gas in the outlet port of one-way valve, thus realize the opening and closing of one-way valve, and then realize two cylinder air-breathing of compressor or single cylinder air-breathing, run or twin-tub operation with the single cylinder realizing compressor.
Compressor list cylinder air-breathing or two cylinder air-breathing is controlled owing to selecting one-way valve, and one-way valve in use to there is cost high, welding using process is complicated, the shortcomings such as in twin-tub running noise is high, therefore the cost of compressor is directly caused to raise, complicate fabrication process, the problems such as running noises is high.
Therefore, a kind of can change by the compressor of one-way valve control compressor operating pattern and controlling method thereof in prior art is needed in market badly, and make the structure of compressor more simple, manufacturing cost is lower, and in running, noise is less.
Summary of the invention
The object of the invention is to, a kind of compressor is proposed, this compressor is only provided with a sucking pipe and uses seal membrane and directional post to instead of one-way valve, controlled by the operating mode of pressure to compressor controlling seal membrane both sides, solve in prior art the cost of production using one-way valve to carry out controlling to produce to compressor operating pattern high, complex manufacturing technology, the problem that running noise is large.
Another object of the present invention is, proposes a kind of compressor control method, and this compressor control method, for controlling above-mentioned compressor, can effectively solve the problem that in prior art, in compressor operating process, noise is large.
For reaching this object, the present invention by the following technical solutions:
A kind of compressor, comprise the upper cylinder, dividing plate, the lower cylinder that set gradually from top to bottom, described upper cylinder is connected with liquor separator by a sucking pipe, described upper cylinder is connected by upper gas channel with between dividing plate, described dividing plate be provided with the diaphragm receiving cavity being communicated with gas channel and lower cylinder between lower cylinder, be provided with seal membrane in described diaphragm receiving cavity, described seal membrane can primary importance in diaphragm receiving cavity and moving between the second place under the acting in conjunction of self gravitation and its pressure at both sides difference;
When described seal membrane is in primary importance, described seal membrane closes described upper gas channel;
When described seal membrane is in the second place, described upper gas channel is connected with described lower cylinder.
Further, described dividing plate offers first step hole, aperture and the upper cylinder vent be located on described upper cylinder in described first step hole form described upper gas channel;
Position relative with described first step hole on described lower cylinder is provided with second step hole; The macropore in described first step hole and the macropore in second step hole connect and form described diaphragm receiving cavity;
The second step hole step surface in described second step hole is provided with the multiple directional posts for supporting described seal membrane, and gap is provided with between described directional post, described gap makes when described seal membrane is positioned on described directional post, and described diaphragm receiving cavity is connected with described lower cylinder by described gap;
The area of described seal membrane is greater than the area of the aperture in described first step hole.
Further, described directional post is provided with directional post step surface; In the vertical direction, between the first step hole step surface of described directional post step surface in described first step hole and the second step hole step surface in described second step hole;
The directional post end face of described directional post contacts with described first step hole step surface.
Further, described seal membrane is placed on described directional post step surface; Distance H is there is between directional post sidewall between described directional post step surface to described directional post end face and the edge of described seal membrane; The scope of described distance H is 0.5mm-4mm.
Further, described first step hole step surface is provided with arcuation projection; The protruding circumferencial direction along the aperture in described first step hole of described arcuation distributes; The summit of described arcuation projection to described seal membrane edge between be provided with distance L; The scope of described distance L is 0.5mm-4mm.
Further, the second step hole step surface in described second step hole is provided with multiple directional post fixed hole, and described directional post is threaded connection and is fixed in described directional post fixed hole.
Further, the lower flange assembly be arranged at below described lower cylinder is also comprised; Described lower flange assembly is connected with control channel, and refrigerant is delivered in described lower cylinder by lower gas channel by described control channel; Described control channel is connected with refrigerant feedway.
Further, be provided with the pin that inside has spring in described lower flange assembly, the head of described pin is deep into described lower cylinder inside and contacts with lower slide plate, and the afterbody of described pin is arranged in compressor housing;
Described lower slide plate be locked or be discharged to described pin can under the effect of the pressure difference of pressure suffered by its head, afterbody;
Described seal membrane is in primary importance, when described upper gas channel is closed, and the described lower slide plate of described pin locking, described lower slide plate does not contact with lower roller;
When described seal membrane is in the second place, when described upper gas channel is connected with described lower cylinder, the described lower slide plate of described pin release, described lower slide plate contacts with lower roller.
A kind of compressor control method, for controlling compressor as above, the coolant quantity in control channel is input to by control refrigerant feedway, to make to move between the primary importance of seal membrane under the acting in conjunction of himself gravity and its pressure at both sides difference in diaphragm receiving cavity and the second place, upper gas channel is closed and maybe upper gas channel is connected with lower cylinder, and then the mode of operation of compressor is regulated.
Further, the mode of operation of described compressor is divided into single cylinder compact model and twin-tub compact model;
Wherein, single cylinder compact model is that refrigerant feedway inputs the first coolant quantity in control channel, and seal membrane moves to primary importance, and described upper gas channel is closed by described seal membrane, the lower slide plate of head locking of pin, and upper cylinder compresses refrigerant;
Twin-tub compact model is that refrigerant feedway inputs the second coolant quantity in control channel, seal membrane moves to the second place, described upper gas channel is connected with lower cylinder, and the lower slide plate of head release of pin, upper cylinder and lower cylinder compress refrigerant simultaneously.
Beneficial effect of the present invention is: the compressor in the present invention is only provided with a sucking pipe be connected with liquor separator, and use seal membrane and directional post to instead of the one-way valve used in prior art, the structure of compressor more simply, is easily assembled, make the cost of compressor lower owing to eliminating one-way valve, no longer need to carry out one-way valve welding in manufacturing process, effectively improve the problem that in compressor using process, noise is excessive, make product have more the market competitiveness.
Be provided with directional post between first step hole in the present invention on dividing plate and the second step hole of lower cylinder, seal membrane is arranged on directional post, effectively can ensure that seal membrane there will not be the problem such as poor sealing, position skew moving up and down in process.
In the present invention, the directional post step surface of directional post is between the first step hole step surface of vertical direction in first step hole and the second step hole step surface in second step hole, when said structure can ensure that seal membrane moves on the directional post step surface of directional post under the effect of its both sides pressure reduction and seal membrane self gravitation, gas channel and lower cylinder can be communicated with.
When seal membrane is placed on the directional post step surface of directional post, the gap of 0.5mm-4mm is there is between directional post sidewall and the edge of seal membrane, when the existence in this gap can prevent gas channel to be communicated with lower cylinder, seal membrane produces play because cold media air passes through, cause the Contact of seal membrane and directional post and scratch seal membrane, make seal membrane be damaged and lose efficacy.
First step hole step surface is provided with arcuation projection, seal membrane thereon, when being moved upward to primary importance under the effect of the pressure difference of lower both sides, upper gas channel is closed, now belong to arc surface and flat face between seal membrane and first step hole step surface to touch, the present invention is provided with the distance of 0.5mm-4mm between the summit of arcuation projection to seal membrane edge, when can avoid seal membrane and arcuation raised impact, edge comes in contact, and then reduces because seal membrane when seal membrane and arcuation raised impact produces the probability of edge breaks situation.
Compressor control method in the present invention, the coolant quantity in control channel is input to by control refrigerant feedway, to control to close upper gas channel when seal membrane is moved upward to primary importance, or be moved downward to the second place to be communicated with upper gas channel and lower cylinder, and then compressor is regulated to be single cylinder compression work pattern or twin-tub compression work pattern.This compressor control method is for controlling the compressor in the present invention, and controlling method is simple, and in compressor operating process, noise is less.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention one propose compressor be in twin-tub compression operating mode time overall structure schematic diagram;
Fig. 2 is the partial structurtes schematic diagram of a-quadrant in Fig. 1;
Fig. 3 is the partial structurtes enlarged view in A1 region in Fig. 2;
Fig. 4 is the structural representation of directional post of the present invention;
Fig. 5 is the overall structure schematic diagram of compressor when single cylinder runs compact model that the embodiment of the present invention one proposes;
Fig. 6 is the schematic enlarged-scale view in B region in Fig. 5;
Fig. 7 is the pin of the embodiment of the present invention one proposition and the position relationship schematic diagram of lower slide plate.
In figure:
1, upper cylinder; 2, dividing plate; 21, first step hole; 211, first step hole step surface; 2111, arcuation is protruding; 3, lower cylinder; 31, second step hole; 311, second step hole step surface; 4, sucking pipe; 5, liquor separator; 6, lower flange assembly; 61, lower flange vent; 7, control channel; 8, seal membrane; 9, directional post; 91, directional post step surface; 92, directional post end face; 93, directional post sidewall; 10, pin; 11, lower slide plate; 12, compressor housing; 13, spring; 14, lower roller; 15, electric machine assembly; 16, bent axle; 17, upper flange component; 18, upper cylinder vent; 19, lower cylinder vent.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one
As shown in Figure 1, shown in Figure 5, be a kind of compressor that the present embodiment proposes, comprise compressor housing 12, compressor housing 12 inside comprises the upper flange component 17, upper cylinder 1, dividing plate 2 and the lower cylinder 3 that set gradually from top to bottom.Upper flange component 17 is connected with electric machine assembly 15 by bent axle 16, and upper cylinder 1 and lower cylinder 3 compress refrigerant under the drive of electric machine assembly 15.
Upper cylinder 1 is connected with liquor separator 5 by a sucking pipe 4, and liquor separator 5 carries refrigerant by sucking pipe 4 in upper cylinder 1.Be connected by upper gas channel between upper cylinder 1 with dividing plate 2.Be provided with the diaphragm receiving cavity being communicated with gas channel and lower cylinder 3 between dividing plate 2 with lower cylinder 3, seal membrane 8 is installed in diaphragm receiving cavity.Seal membrane 8 can primary importance in diaphragm receiving cavity and moving between the second place under the acting in conjunction of self gravitation and its pressure at both sides difference.When seal membrane 8 is in primary importance, seal membrane 8 closes upper gas channel; When seal membrane 8 is in the second place, upper gas channel is connected with lower cylinder 3.
Dividing plate 2 offers first step hole 21, the aperture in first step hole 21 and the upper cylinder vent 18 be located on upper cylinder 1 form upper gas channel.Position relative with first step hole 21 on lower cylinder 3 is provided with second step hole 31, and the macropore in first step hole 21 and the macropore in second step hole 31 connect and form diaphragm receiving cavity.
The second step hole step surface 311 in second step hole 31 is provided with the multiple directional posts 9 for supporting seal membrane 8, and gap is provided with between directional post 9, gap makes when seal membrane 8 is positioned on directional post 9, diaphragm receiving cavity is connected with lower cylinder by gap, wherein, the area of seal membrane 8 is greater than the area of the aperture in first step hole 21.
Lower flange assembly 6 is connected with control channel 7, and refrigerant is delivered in lower cylinder 3 by lower gas channel by control channel 7, and control channel 7 is connected with refrigerant feedway.Wherein, lower gas channel is made up of the lower flange vent 61 be located on lower flange assembly 6 and the lower cylinder vent 19 be located on lower cylinder 3.
In specific implementation process, dividing plate 2 offers first step hole 21, aperture and the macropore in first step hole 21 are setting up and down.The side that lower cylinder 3 contacts with dividing plate 2 is provided with second step hole 31, and macropore and the aperture in second step hole 31 are setting up and down.Namely the macropore in second step hole 31 and the macropore in first step hole 21 are oppositely arranged, and the macropore in the macropore in second step hole 31 and first step hole 21 connects and forms diaphragm receiving cavity.The second step hole step surface 311 in second step hole 31 is provided with multiple directional post fixed hole.Directional post fixed hole is through-hole structure, and the bottom of through hole is provided with screw thread, and directional post 9 is threaded connection and is fixed in directional post fixed hole, and seal membrane 8 is arranged on directional post 9.
Preferably, the axes coincide in first step hole 21 and second step hole 31.First step hole 21 also can not overlap with the axis in second step hole 31, as long as can ensure that seal membrane 8 can cover the aperture in first step hole 21 to close upper gas channel.Placement between directional post 9 and directional post fixed hole is not limited only to aforesaid way, any mode that directional post 9 can be fixed on second step hole 31.
Owing to being provided with directional post 9 between the first step hole 21 in the present invention on dividing plate 2 and the second step hole 31 of lower cylinder 3, seal membrane 8 is arranged on directional post 9, can effectively ensure to there will not be the problem such as poor sealing, position skew in seal membrane 8 moving process between the first position and the second position.
As shown in Figure 4, in specific implementation process, the upper end of directional post 9 is provided with directional post step surface 91, in the vertical direction, and directional post step surface 91 is between the first step hole step surface 211 and the second step hole step surface 311 in second step hole 31 in first step hole 21.Said structure can ensure seal membrane 8 thereon, on the directional post step surface 91 that moves to directional post 9 under the effect of lower both sides pressure reduction and himself gravity time, gas channel and lower cylinder 3 can be communicated with.The directional post end face 92 of directional post 9 contacts with first step hole step surface 211, and seal membrane 8 is placed on directional post step surface 91.
As further mode of execution, there is distance H between the directional post sidewall 93 between directional post step surface 91 to directional post end face 92 and the edge of seal membrane 8, the scope of distance H is 0.5mm-4mm.When the existence of distance H can prevent gas channel to be communicated with lower cylinder 3, seal membrane 8 produces play because cold media air passes through, thus to cause between seal membrane 8 with directional post 9 the scratch seal membrane 8 because contacting, and makes seal membrane 8 be damaged and lose efficacy.
First step hole step surface 211 is provided with arcuation projection 2111, and arcuation projection 2111 distributes along the circumferencial direction of the aperture in first step hole 21.The summit of arcuation projection 2111 to seal membrane 8 edge between be provided with distance L, the scope of distance L is 0.5mm-4mm.Due to first step hole step surface 211 being provided with arcuation projection 2111, when seal membrane 8 thereon, be moved upward to primary importance under the pressure difference of lower both sides and the effect of himself gravity, when upper gas channel is closed, belong to arc surface and flat face between seal membrane 8 and first step hole step surface 211 and touch.The present invention is provided with the distance of 0.5mm-4mm between the summit of arcuation projection 2111 to seal membrane 8 edge, when seal membrane 8 can be avoided to clash into arcuation protruding 2111, edge comes in contact, and then reduces because when seal membrane 8 clashes into arcuation protruding 2111, seal membrane 8 produces the probability of edge breaks situation.
As shown in Figure 7, be provided with the pin 10 that inside has spring 13 in lower flange assembly 6, the head of pin 10 is deep into lower cylinder 3 inside and contacts with lower slide plate 11, and the afterbody of pin 10 is arranged in compressor housing 12.Pin 10 can lock or discharge under the effect of the pressure difference of pressure suffered by its head, afterbody under slide plate 11.In specific implementation process, when upper gas channel is closed, lower slide plate 11 locked by pin 10, and lower slide plate 11 does not contact with lower roller 14, and lower cylinder 3 does not carry out compressing refrigerant gas.When upper gas channel is connected with lower cylinder 3, pin 10 discharges lower slide plate 11, and lower slide plate 11 contacts with lower roller 14, and upper cylinder 1 and lower cylinder 3 compress cold media air simultaneously.
Mode of operation when carrying out single cylinder compact model and twin-tub compact model respectively to the compressor in the present invention is below described in detail.As shown in Figure 1, composition graphs 2, Fig. 3 are compressor in the present embodiment structures when carrying out twin-tub compact model.Refrigerant feedway carries cold media air in control channel 7, this cold media air amount is the second coolant quantity of small volume, second coolant quantity enters into lower cylinder 3 by the lower gas channel be made up of lower flange vent 61 and lower cylinder vent 19, and acts on the downside of seal membrane 8.Meanwhile, liquor separator 5 inputs refrigerant by sucking pipe 4 in upper cylinder 1, and refrigerant acts on the upside of seal membrane 8 by the upper gas channel that the aperture in upper cylinder vent 18 and first step hole 21 is formed.Now, as shown in Figure 2 and Figure 3, the pressure of seal membrane 8 both sides is in the state of relative equilibrium, second position is under the effect of seal membrane 8 self gravitation, seal membrane 8 drops on directional post step surface 91, now goes up gas channel and is connected with lower cylinder 3, achieves lower cylinder 3 air-breathing.Before compressor start, under the effect of pin 10 spring 13 therein, the head of pin 10 blocks lower slide plate 11.When after compressor start, the pressure of compressor housing 12 inside raises gradually, the head of pin 10 is subject to High Pressure, afterbody is subject to low pressure effect, pin 10 overcomes the effect of spring 13, the lower slide plate 11 of release, lower slide plate 11 contacts and generation effect with lower roller 14, and compressor realizes twin-tub compact model.
As shown in Figure 5, Figure 6, be compressor in the present embodiment structure when carrying out single cylinder compact model.Refrigerant feedway carries cold media air in control channel 7, this cold media air amount is the first coolant quantity that volume is larger, the lower gas channel that first coolant quantity consists of lower flange vent 61 and lower cylinder vent 19 enters into lower cylinder 3, and acts on the downside of seal membrane 8.Meanwhile, liquor separator 5 inputs refrigerant by sucking pipe 4 in upper cylinder 1, and refrigerant acts on the upside of seal membrane 8 by the upper gas channel that the aperture in upper cylinder vent 18 and first step hole 21 is formed.Now, because the first coolant quantity volume is comparatively large, the pressure that the downside of seal membrane 8 is subject to is comparatively large, and seal membrane 8 moves to primary importance under descending the effect of pressure at both sides difference thereon, is closed by upper gas channel.Refrigerant in upper cylinder 1 cannot enter into lower cylinder 3, and lower cylinder 3 cannot realize air-breathing.Now, due to compressor operating, head and the bottom of pin 10 are high pressure conditions, pin 10 is in the state of relative equilibrium, pin 10 under the effect of spring 13 will under slide plate 11 lock, lower slide plate 11 does not contact with lower roller 14, and compressor carries out single cylinder compressed mode operation.
Compressor in the present invention is only provided with a sucking pipe 4 be connected with liquor separator 5, and use seal membrane 8 and directional post 9 to instead of the one-way valve used in prior art, the structure of compressor more simply, is easily assembled, make the cost of compressor lower owing to eliminating one-way valve, no longer need to carry out one-way valve welding in manufacturing process, effectively improve the problem that in compressor using process, noise is excessive, make product have more the market competitiveness.
Embodiment two
The present embodiment proposes a kind of compressor control method, for controlling the compressor in embodiment one, its controlling method is the coolant quantity be input to by control refrigerant feedway in control channel, to make to move between the primary importance of seal membrane 8 under the acting in conjunction of himself gravity and its pressure at both sides difference in diaphragm receiving cavity and the second place, maybe upper gas channel is connected with lower cylinder 3 so that upper gas channel is closed, the mode of operation of compressor is regulated.
In specific implementation process, the mode of operation of compression is divided into single cylinder compact model and twin-tub compact model.
Wherein, single cylinder compact model is that refrigerant feedway inputs the first coolant quantity in control channel, and seal membrane moves to primary importance, and upper gas channel is closed by seal membrane, and the lower slide plate of head locking of pin, upper cylinder compresses refrigerant.
Twin-tub compact model is that refrigerant feedway inputs the second coolant quantity in control channel, seal membrane moves to the second place, upper gas channel is connected with lower cylinder, and the lower slide plate 11 of head release of pin, upper cylinder 1 and lower cylinder 3 compress refrigerant simultaneously.Specific implementation process is, refrigerant feedway carries cold media air in control channel, this cold media air amount is the first coolant quantity that volume is larger, first coolant quantity enters into lower cylinder by the lower gas channel of lower flange vent and lower cylinder vent composition, and acts on the downside of seal membrane.Meanwhile, liquor separator inputs refrigerant by sucking pipe in upper cylinder, and refrigerant acts on the upside of seal membrane by the upper gas channel that the aperture in upper cylinder vent and first step hole is formed.Now, because the first coolant quantity volume is comparatively large, the pressure that the downside of seal membrane is subject to is comparatively large, under seal membrane descends the effect of pressure at both sides difference thereon, is moved upward to primary importance and is closed by upper gas channel.Refrigerant in upper cylinder cannot enter into lower cylinder, and lower cylinder cannot realize air-breathing.Now, due to compressor operating, head and the bottom of pin are high pressure conditions, and pin is in the state of relative equilibrium, and pin is tight by lower slide lock under the action of the spring, and lower slide plate does not contact with lower roller, and compressor carries out single cylinder compressed mode operation.
Twin-tub compact model is that refrigerant feedway inputs the second coolant quantity in control channel, force value below second coolant quantity seal membrane and the force value above it balance each other, seal membrane is under the effect of himself gravity, seal membrane is moved downward to the second place and is connected with lower cylinder by upper gas channel, the lower slide plate of head release of pin, upper cylinder and lower cylinder compress refrigerant simultaneously.
Its specific implementation process is, refrigerant feedway carries cold media air in control channel 7, this cold media air amount is the second coolant quantity of small volume, second coolant quantity enters into lower cylinder by the lower gas channel be made up of lower flange vent and lower cylinder vent, and acts on the downside of seal membrane.Meanwhile, liquor separator inputs refrigerant by sucking pipe in upper cylinder, and refrigerant acts on the upside of seal membrane by the upper gas channel that the aperture in upper cylinder vent and first step hole is formed.Now the pressure of seal membrane both sides is in the state of relative equilibrium, under the effect of seal membrane self gravitation, move to the second place, and seal membrane drops on directional post step surface, and upper gas channel is connected with lower cylinder, achieves lower cylinder air-breathing.Before compressor start, under the effect of pin spring therein, the head of pin blocks lower slide plate, when compressor start, the pressure of compressor raises gradually, the head of pin is subject to High Pressure, afterbody is subject to low pressure effect, and pin overcomes the effect of spring, the lower slide plate of release, lower slide plate contacts with lower roller and generation effect, and compressor realizes twin-tub compact model.
Refrigerant feedway carries cold media air in control channel, this cold media air amount is the first coolant quantity that volume is larger, first coolant quantity enters into lower cylinder by the lower gas channel of lower flange vent and lower cylinder vent composition, and acts on the downside of seal membrane.Meanwhile, liquor separator inputs refrigerant by sucking pipe in upper cylinder, and refrigerant acts on the upside of seal membrane by the upper gas channel that the aperture in upper cylinder vent and first step hole is formed.Now, because the first coolant quantity volume is comparatively large, the pressure that the downside of seal membrane is subject to is comparatively large, and seal membrane moves to primary importance under descending the effect of pressure at both sides difference thereon, is closed by upper gas channel.Refrigerant in upper cylinder cannot enter into lower cylinder, and lower cylinder cannot realize air-breathing.Now, due to compressor operating, head and the bottom of pin are high pressure conditions, and pin is in the state of relative equilibrium, and pin is tight by lower slide lock under the action of the spring, and lower slide plate does not contact with lower roller, and compressor carries out single cylinder compressed mode operation.
Compressor control method in the present invention, the coolant quantity in control channel is input to by control refrigerant feedway, to move up primary importance or be moved downward to the second place to control seal membrane, be communicated with upper gas channel and lower cylinder to close upper gas channel or to move down, regulate compressor to be single cylinder compression work pattern or twin-tub compression work pattern.This compressor control method is for controlling the compressor in the present invention, and controlling method is simple, and in compressor operating process, noise is less.
Below describe know-why of the present invention in conjunction with specific embodiments, these describe just in order to explain principle of the present invention, can not be interpreted as limiting the scope of the invention by any way.Based on explaining herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a compressor, comprise the upper cylinder (1) set gradually from top to bottom, dividing plate (2), lower cylinder (3), described upper cylinder (1) is connected with liquor separator (5) by a sucking pipe (4), be connected by upper gas channel between described upper cylinder (1) with dividing plate (2), it is characterized in that: between described dividing plate (2) with lower cylinder (3), be provided with the diaphragm receiving cavity being communicated with gas channel and lower cylinder (3), seal membrane (8) is installed in described diaphragm receiving cavity, described seal membrane (8) can primary importance in diaphragm receiving cavity and moving between the second place under the acting in conjunction of self gravitation and its pressure at both sides difference,
When described seal membrane (8) is in primary importance, described seal membrane (8) closes described upper gas channel;
When described seal membrane (8) is in the second place, described upper gas channel is connected with described lower cylinder (3).
2. compressor according to claim 1, it is characterized in that: described dividing plate (2) offers first step hole (21), aperture and the upper cylinder vent (18) be located on described upper cylinder (1) of described first step hole (21) form described upper gas channel;
The upper position relative with described first step hole (21) of described lower cylinder (3) is provided with second step hole (31);
The macropore of described first step hole (21) and the macropore of second step hole (31) connect and form described diaphragm receiving cavity;
Second step hole step surface (311) of described second step hole (31) is provided with the multiple directional posts (9) for supporting described seal membrane (8), and gap is provided with between described directional post (9), described gap makes when described seal membrane (8) is positioned on described directional post (9), and described diaphragm receiving cavity is connected with described lower cylinder (3) by described gap;
The area of described seal membrane (8) is greater than the area of the aperture of described first step hole (21).
3. compressor according to claim 2, is characterized in that: described directional post (9) is provided with directional post step surface (91);
In the vertical direction, between first step hole step surface (211) that described directional post step surface (91) is positioned at described first step hole (21) and second step hole step surface (311) in described second step hole (31);
The directional post end face (92) of described directional post (9) contacts with described first step hole step surface (211).
4. compressor according to claim 3, is characterized in that: described seal membrane (8) is placed on described directional post step surface (91);
Distance H is there is between directional post sidewall (93) between described directional post step surface (91) to described directional post end face (92) and the edge of described seal membrane (8);
The scope of described distance H is 0.5mm-4mm.
5. compressor according to claim 3, is characterized in that: described first step hole step surface (211) is provided with arcuation projection (2111);
Described arcuation projection (2111) distributes along the circumferencial direction of the aperture of described first step hole (21);
The summit of described arcuation projection (2111) to described seal membrane (8) edge between be provided with distance L;
The scope of described distance L is 0.5mm-4mm.
6. the compressor according to any one of claim 2-5, it is characterized in that: second step hole step surface (311) of described second step hole (31) is provided with multiple directional post fixed hole, described directional post (9) is threaded connection and is fixed in described directional post fixed hole.
7. compressor according to claim 1, is characterized in that: also comprise the lower flange assembly (6) being arranged at described lower cylinder (3) below;
Described lower flange assembly (6) is connected with control channel (7), and refrigerant is delivered in described lower cylinder (3) by lower gas channel by described control channel (7);
Described control channel (7) is connected with refrigerant feedway.
8. compressor according to claim 7, it is characterized in that: in described lower flange assembly (6), be provided with the pin (10) that inside has spring (13), the head of described pin (10) is deep into described lower cylinder (3) inside and contacts with lower slide plate (11), and the afterbody of described pin (10) is arranged in compressor housing (12);
Described lower slide plate (11) can be locked or discharge to described pin (10) under the effect of the pressure difference of pressure suffered by its head, afterbody;
When described seal membrane (8) is in primary importance, when described upper gas channel is closed, described lower slide plate (11) locked by described pin (10), and described lower slide plate (11) does not contact with lower roller (14);
When described seal membrane (8) is in the second place, when described upper gas channel is connected with described lower cylinder (3), described pin (10) discharges described lower slide plate (11), and described lower slide plate (11) contacts with lower roller (14).
9. a compressor control method, for controlling the compressor as described in any one of claim 1-8, it is characterized in that: be input to the coolant quantity in control channel (7) by control refrigerant feedway, to make to move between the primary importance of seal membrane (8) under the acting in conjunction of himself gravity and its pressure at both sides difference in diaphragm receiving cavity and the second place, upper gas channel is closed and maybe upper gas channel is connected with lower cylinder (3), and then the mode of operation of compressor is regulated.
10. compressor control method according to claim 9, is characterized in that: the mode of operation of described compressor is divided into single cylinder compact model and twin-tub compact model;
Wherein, single cylinder compact model is refrigerant feedway input first coolant quantity in control channel (7), seal membrane (8) moves to primary importance, described upper gas channel is closed by described seal membrane (8), the lower slide plate (11) of head locking of pin (10), upper cylinder (1) compresses refrigerant;
Twin-tub compact model is refrigerant feedway input second coolant quantity in control channel (7), seal membrane (8) moves to the second place, described upper gas channel is connected with lower cylinder (3), the lower slide plate (11) of head release of pin (10), upper cylinder (1) and lower cylinder (3) compress refrigerant simultaneously.
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| CN106401964A (en) * | 2016-06-17 | 2017-02-15 | 郑州凌达压缩机有限公司 | Lower flange for compressor pump body assembly, compressor pump body assembly and compressor |
| CN113404695A (en) * | 2021-06-03 | 2021-09-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Air inlet structure, compressor and air conditioner |
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| CN104500398B (en) | 2017-01-25 |
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