CN201363279Y - Rotary compressor with plunger type enthalpy-increasing device - Google Patents
Rotary compressor with plunger type enthalpy-increasing device Download PDFInfo
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- CN201363279Y CN201363279Y CNU2009200015641U CN200920001564U CN201363279Y CN 201363279 Y CN201363279 Y CN 201363279Y CN U2009200015641 U CNU2009200015641 U CN U2009200015641U CN 200920001564 U CN200920001564 U CN 200920001564U CN 201363279 Y CN201363279 Y CN 201363279Y
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- plunger
- adding apparatus
- plunger type
- rotary compressor
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- 238000002347 injection Methods 0.000 claims abstract description 55
- 239000007924 injection Substances 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004378 air conditioning Methods 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 57
- 239000007921 spray Substances 0.000 description 11
- 238000005507 spraying Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Abstract
The utility model relates to a compressor used in an air conditioning system, in particular to a rotary compressor with a plunger type enthalpy increasing device; the rotary compressor of the utility model is provided with a column hole, a plunger, a jet orifice, a jet channel and the like; when installed in an air conditioning system, the injection channel is communicated with an injection air source in the system: when heating is needed, the system starts the control mechanism to enable the plunger to be located at the first position, the jet orifice is communicated with the jet channel, and the jet air is supplemented to enter the air cylinder cavity through the pressure difference jet air source to participate in compression circulation, so that the temperature and the pressure of a compression working medium in the air cylinder cavity of the rotary compressor are improved, the heating capacity of the air conditioning system is improved, and the problem that the heating capacity of the traditional rotary compressor is low under the low-temperature working condition is solved; when refrigerating, the control mechanism makes the plunger at the second position, and the plunger blocks the jet orifice and blocks the jet orifice from the jet channel, so that the refrigerating capacity and the refrigerating effect of the compressor are not influenced.
Description
Technical field
The utility model relates to the compressor that uses in the air-conditioning system, relates in particular to a kind of rotary compressor with plunger type enthalpy adding apparatus.
Background technique
Compressor is that compression refrigerant makes it participate in the circuit nucleus equipment in the air-conditioning system, rotary compressor is a kind of compressor commonly used, the rotary compressor rotary compressor generally comprises rotary compressor and waves compressor, the work of compression refrigerant is to finish in the sealing cylinder chamber of compressor, the housing assembly that constitutes the sealing cylinder chamber includes upper flange, lower flange and cylinder, upper flange, lower flange is arranged on the cylinder two ends and encloses the sealing cylinder chamber, be provided with eccentric roller in the cylinder chamber, the eccentric roller of driven by motor rotates a week, in the gas compression chamber gas by low pressure to high pressure converted, when suitable high pressure, discharge cylinder chamber.
When using the rotary compressor air-conditioning system heating, reduction along with outdoor temperature, the inhalation temperature of compressor also decreases, and can reach comparatively ideal heating effect when working temperature is higher, but is that subzero 20 degree are during the left and right sides at working temperature, its heating capacity decay is very serious, heating capacity does not reach rating value, and heating effect is undesirable, and heating efficiency is low, when operating mode is very lower, the rotary compressor of air-conditioning system even can not start.
The model utility content
Of the present utility model is at the low problem of present rotary compressor heating efficiency in air-conditioning system, and is provided at the good a kind of rotary compressor with plunger type enthalpy adding apparatus of heating performance under the low temperature environment.
For reaching above purpose, adopt following technological scheme:
A kind of rotary compressor with plunger type enthalpy adding apparatus, the housing assembly of described rotary compressor includes upper flange, lower flange and cylinder, and upper flange, lower flange are arranged on the cylinder two ends and enclose the sealing cylinder chamber; The housing assembly that constitutes the sealing cylinder chamber is provided with the post hole, the post hole is provided with the jetburner that is communicated with cylinder chamber, also be provided with on the post hole and connect the outer injection channel of cylinder chamber, post is provided with plunger in the hole, housing assembly is provided with the control mechanism of control plunger motion, control mechanism makes plunger be in the primary importance or the second place, jetburner and injection channel conducting when primary importance, and plunger is stifled when the second place hides jetburner and makes jetburner and the injection channel blocking-up.
Wherein said post hole one end is provided with main connecting passage, and the other end is provided with secondary connecting passage, main connecting passage with form control mechanism after secondary connecting passage is connected source of the gas and make plunger be in the primary importance or the second place.
Wherein said main connecting passage is for being communicated with the system high pressure passage of refrigeration system high pressure, and secondary connecting passage is the low pressure connecting passage, and injection channel is arranged on middle part, post hole, and described plunger is the binodal plunger of disjunctor.
Wherein said main connecting passage is injection channel, and secondary connecting passage is the low pressure connecting passage.
Wherein said main connecting passage is the common-use tunnel of injection channel and low pressure connecting passage, and secondary connecting passage is middle pressure connecting passage.
Wherein said secondary connecting passage is the passage that is communicated in the sealing cylinder chamber.
Wherein said secondary connecting passage is for being communicated with the connecting passage of refrigeration system.
Wherein said main connecting passage is an injection channel, and secondary connecting passage is the common-use tunnel of system high pressure connection and low pressure connecting passage.
Wherein said secondary connecting passage is for being communicated with the connecting passage of refrigeration system.
Wherein said post hole is for connecting the through hole that is arranged on the housing assembly.
Wherein said post hole is to be arranged on half through hole of putting on housing assembly.
Wherein said post hole is " V " shape hole that is arranged on the housing assembly.
Secondary connecting passage one end of wherein said plunger is provided with Returnning spring.
Wherein said plunger end is provided with position-limit mechanism.
Wherein said position-limit mechanism is thin guide pillar.
Wherein said position-limit mechanism is the awl post that is arranged on plunger end.
Wherein said position-limit mechanism is the pin that is arranged on the post nose end.
Wherein said position-limit mechanism is the air pipe that is plugged in the post hole.
Wherein said position-limit mechanism is the pin that is arranged in the post hole.
The beneficial effects of the utility model are: the housing assembly that rotary compressor of the present utility model constitutes the sealing cylinder chamber is provided with the post hole, the post hole is provided with the jetburner that is communicated with cylinder chamber, also be provided with on the post hole and connect the outer injection channel of cylinder chamber, post is provided with plunger in the hole, and housing assembly is provided with the control mechanism of control plunger motion; When being installed in the air-conditioning system, injection channel is communicated with injection source of the gas in the system, control mechanism connects the control source of the gas: in the time of need heating, system start-up control action of gas source control mechanism makes plunger be in primary importance, jetburner and injection channel conducting, jetburner is arranged on lower pressure area, spray the additional cylinder chamber that enters of source of the gas by pressure difference and participate in compression cycle, promote the temperature and pressure of compression working medium in the rotary compressor cylinder chamber, further promote delivery temperature, improve the heating capacity of air-conditioning system, solved the low problem of heating capacity under traditional rotary compressor worst cold case; When refrigeration, system start-up control action of gas source control mechanism makes plunger be in the second place, plunger is stifled when the second place hides jetburner and makes jetburner and the injection channel blocking-up, spraying source of the gas can not flow into the sealing cylinder chamber by injection channel, therefore can not influence the refrigerating capacity and the refrigeration of compressor.
Description of drawings
Fig. 1 is in the schematic representation of primary importance for embodiment's 1 plunger;
Fig. 2 is in the schematic representation of the second place for embodiment's 1 plunger;
Fig. 3 is the structural representation in embodiment 1 another orientation;
Fig. 4 is in the schematic representation of primary importance for embodiment's 2 plungers;
Fig. 5 is in the schematic representation of the second place for embodiment's 2 plungers;
Fig. 6 is the structural representation in embodiment 2 another orientation;
Fig. 7 is in the schematic representation of primary importance for embodiment's 3 plungers;
Fig. 8 is in the schematic representation of the second place for embodiment's 3 plungers;
Fig. 9 is the structural representation in embodiment 3 another orientation;
Figure 10 is in the schematic representation of primary importance for embodiment's 4 plungers;
Figure 11 is in the schematic representation of the second place for embodiment's 4 plungers;
Figure 12 is in the schematic representation of primary importance for embodiment's 5 plungers;
Figure 13 is in the schematic representation of the second place for embodiment's 5 plungers;
Figure 14 is in the schematic representation of primary importance for embodiment's 6 plungers;
Figure 15 is in the schematic representation of the second place for embodiment's 6 plungers;
Figure 16 is in the schematic representation of primary importance for embodiment's 7 plungers;
Figure 17 is in the schematic representation of the second place for embodiment's 7 plungers;
Figure 18 is the structural representation in embodiment 7 another orientation;
Figure 19 is in the schematic representation of primary importance for embodiment's 8 plungers;
Figure 20 is in the schematic representation of the second place for embodiment's 8 plungers.
Embodiment
The rotary compressor that the utility model provides comprises: shell, motor, eccentric roller, upper flange, lower flange, cylinder etc., it is prior art that above-mentioned each parts and installation thereof are closed, and repeats no more herein.Below in conjunction with accompanying drawing, the specific embodiment of the compressor that the utility model provides is described respectively.
Embodiment one
As Figure 1-3, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange 1, lower flange (not marking among the figure) and cylinder 3, the post hole 4 of passing hole type is set on the upper flange 1 of housing assembly, two ends in post hole 4 are provided with tail plug 44, plunger 43 is arranged in the post hole 4, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is for connecting the refrigeration system injection channel, secondary connecting passage 6 is the low pressure connecting passage, the low pressure connecting passage is for connecting the connecting passage of refrigeration system, and plunger 43 is at the position-limit mechanism 8 that is provided with thin guide pillar near main connecting passage 5 one ends; The main connecting passage 5 of present embodiment all is communicated to cylinder 3 and the gas port that is connected outward with cylinder chamber is set with secondary connecting passage 6; Main connecting passage 5 and secondary connecting passage 6 constitute the control mechanism of drive plunger 43 in primary importance and second place activity.
When present embodiment was installed in the refrigerated air-conditioning system, the injection channel that is arranged on main connecting passage 5 connected by the injection source of the gas that control valve is connected system, and the low pressure connecting passage of secondary connecting passage 6 is connected with system low-voltage; When needs heat, control is sprayed the control valve of source of the gas and is opened, press the pressure that sprays source of the gas greater than system low-voltage pressure, there is draught head in plunger 43 two ends, plunger 43 moves to secondary connecting passage 6 one ends that connect the low pressure connecting passage, is in primary importance, at this moment, jetburner 41 and injection channel conducting, injection source of the gas enter the sealing cylinder chamber and reach the purpose that increases the enthalpy injection; When refrigerating state, control is sprayed the control valve of source of the gas and is closed, this moment, the injection channel internal air pressure was very little, because the effect of system low-voltage gas pressure, plunger 43 moves to injection channel one end, under the effect of thin guide pillar, be in the second place, plunger 43 stifled screening jetburners 41 also make jetburner 41 and injection channel blocking-up, and spraying source of the gas can not flow into the sealing cylinder chamber by injection channel, therefore can not influence the refrigerating capacity and the refrigeration of compressor.
Embodiment two
Shown in Fig. 4-6, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange 1, lower flange and cylinder (not shown), the post hole 4 of half passing hole type is set on the upper flange 1 of housing assembly, the open end of half through hole is provided with tail plug 44, plunger 43 is arranged in the post hole 4, this embodiment's thin guide pillar and tail plug 44 as position-limit mechanism 8 are arranged to one, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is for connecting the refrigeration system injection channel, secondary connecting passage 6 is the low pressure connecting passage, the low pressure connecting passage is by offering the passage that is connected to air-breathing low pressure area in the cylinder chamber on the housing assembly, for strengthening reset capability under its low-pressure state, be provided with Returnning spring 7 at secondary connecting passage 6 one ends of plunger 43.Other connections and control principle and embodiment's 1 basically identical are not done too much at this and to be given unnecessary details.
Embodiment three
Shown in Fig. 7-9, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange 1, lower flange and cylinder (not shown), the post hole 4 of half passing hole type is set on the upper flange 1 of housing assembly, the open end of half through hole is provided with tail plug 44, plunger 43 is arranged in the post hole 4, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is for being communicated with the system high pressure passage of refrigeration system high pressure, secondary connecting passage 6 is the low pressure connecting passage, the low pressure connecting passage is by offering the passage that is connected to air-breathing low pressure area in the cylinder chamber on the housing assembly, for strengthening reset capability under its low-pressure state, be provided with Returnning spring 7 at secondary connecting passage 6 one ends of plunger 43; Injection channel 42 is arranged on 4 middle parts, post hole, and plunger 43 is the binodal plunger 43 of disjunctor.Main connecting passage 5 and secondary connecting passage 6 constitute the control mechanism of drive plunger 43 in primary importance and second place activity.
When present embodiment is installed in the refrigerated air-conditioning system, the system high pressure passage that is arranged on main connecting passage 5 is connected refrigeration system highpressure gas by control valve and connects, the low pressure connecting passage of secondary connecting passage 6 is connected with system low-voltage, and injection channel 42 is connected with the injection source of the gas of refrigeration system; When needs heat, the control valve of control refrigeration system highpressure gas is opened, the pressure of highpressure gas is greater than system low-voltage pressure, there is draught head in plunger 43 two ends, binodal plunger 43 moves to an end that connects the low pressure connecting passage, be in primary importance, at this moment, the middle linkage section of binodal plunger 43 is in the position of injection channel 42 and jetburner 41, jetburner 41 and injection channel 42 conductings, and two shell of columns of binodal plunger 43 are to the highpressure gas and the system low-voltage gas barrier at two ends, and the injection source of the gas just can enter the sealing cylinder chamber and reach the purpose that increases the enthalpy injection; When refrigerating state, the control valve of control highpressure gas is closed, this moment, high pressure connecting passage internal air pressure was very little, because the effect of system low-voltage gas pressure and Returnning spring 7, plunger 43 moves to high pressure connecting passage one end, is in the second place, and binodal plunger 43 stifled shell of columns block up and hide jetburner 41 and make jetburner 41 and injection channel 42 blocking-up, spraying source of the gas can not flow into the sealing cylinder chamber by injection channel 42, therefore can not influence the refrigerating capacity and the refrigeration of compressor.
Embodiment four
Shown in Figure 10,11, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange, lower flange (not shown) and cylinder 3, on the cylinder 3 of housing assembly, offer the post hole 4 of tilting perforation, upper flange, lower flange have constituted two sealed ends, plunger 43 is arranged in the post hole 4, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is for being communicated with the system high pressure passage of refrigeration system high pressure, secondary connecting passage 6 is the low pressure connecting passage, main connecting passage 5, secondary connecting passage 6 by on cylinder 3, be provided with outside the connection mouth that is connected or pass through on, lower flange is provided with connection mouth, the low pressure connecting passage is communicated with refrigeration system low pressure, Placement can be by offering the passage that is connected to air-breathing low pressure area in the cylinder chamber or offering connection mouth connected system low pressure on the housing assembly, for strengthening reset capability under its low-pressure state, be provided with Returnning spring 7 at secondary connecting passage 6 one ends of plunger 43; Injection channel 42 is arranged on 4 middle parts, post hole, and plunger 43 is the binodal plunger 43 of disjunctor.Main connecting passage 5 and secondary connecting passage 6 constitute the control mechanism of drive plunger 43 in primary importance and second place activity.Its control principle is similar to embodiment 3, does not do too much at this and gives unnecessary details.
Embodiment five
As Figure 12, shown in 13: present embodiment is substantially the same manner as Example 1, difference is, the post hole of present embodiment is arranged on the post hole 4 of the perforation on the cylinder 3, upper flange, the lower flange (not shown) has constituted two sealed ends, the outlet of injection channel and low pressure connecting passage all is arranged on the cylinder 3, the position-limit mechanism 8 of plunger 43 is the awl post that plunger 43 both sides are provided with, the awl post can play good Stroke Control effect, play and disconnect and the effect that is communicated with, and the pressed gas at two ends also can well affact the two ends conical surface, moves in post hole 4 thereby effectively control plunger 43.Miscellaneous part Placement and control principle and embodiment's 1 basically identical are not done too much at this and to be given unnecessary details.
Embodiment six
This embodiment is to use a preferred embodiment in " V " shape post hole 4, as Figure 14, shown in 15: on upper flange 1 or lower flange, offer two sections straight holes and form " V " shape post hole 4, hole path is main connecting passage 5 always, another straight hole is secondary connecting passage 6, plunger 43 and jetburner 41 are set in the straight hole of main connecting passage 5, main connecting passage 5 is an injection channel, secondary connecting passage 6 is the low pressure connecting passage, the interior certain depth of straight hole that air pipe is plugged in main connecting passage 5 forms position-limit mechanism 8, the bending position in " V " shape post hole 4 can also be limited in the stroke on another direction, miscellaneous part Placement and control principle and embodiment's 1 basically identical are not done too much at this and to be given unnecessary details.
Embodiment seven
Shown in Figure 16-18, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange (not shown), lower flange 2 and cylinder 3, the post hole 4 of half passing hole type is set at the lower flange 2 of housing assembly, the open end of half through hole is provided with copper rivet formula tail plug 44, in post hole 4, be provided with the position-limit mechanism 8 of thin guide colume type on the tail plug 44, plunger 43 is arranged in the post hole 4, post hole 4 the other ends are provided with pin as position-limit mechanism 8, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is the common-use tunnel of injection channel and low pressure connecting passage, secondary connecting passage 6 is middle pressure connecting passage, middle pressure connecting passage as secondary connecting passage 6 is the passage that is connected to middle nip in the cylinder chamber by offering on the housing assembly, and the main connecting passage 5 of present embodiment is communicated to cylinder 3 and the gas port that is connected outward with cylinder chamber is set; Secondary connecting passage 6 one ends of plunger 43 are provided with Returnning spring 7; Main connecting passage 5 and secondary connecting passage 6 constitute the control mechanism of drive plunger 43 in primary importance and second place activity.
When present embodiment is installed in the refrigerated air-conditioning system, shared main connecting passage 5 as injection channel and low pressure connecting passage is connected with the system low-voltage source of the gas with injection source of the gas chamber by the control two-position three-way valve, and the middle pressure connecting passage of secondary connecting passage 6 is connected with the medium pressure gas of cylinder chamber; When needs heat, two-position three-way valve makes main connecting passage 5 be communicated with injection source of the gas chamber, and close being connected of main connecting passage 5 and system low-voltage source of the gas, the pressure that sprays source of the gas is greater than medium pressure gas in the cylinder chamber, and there is draught head in plunger 43 two ends, and plunger 43 presses an end of connecting passage to move in connecting, be in primary importance, at this moment, jetburner 41 and main connecting passage 5 conductings as injection channel spray source of the gas and enter the sealing cylinder chamber and reach and increase the purpose that enthalpy sprays; When refrigerating state, two-position three-way valve makes main connecting passage 5 be communicated with the system low-voltage source of the gas, and close main connecting passage 5 and spray being connected of source of the gas, the pressure of system low-voltage source of the gas is less than medium pressure gas in the cylinder chamber, there is draught head in plunger 43 two ends, plunger 43 moves to an end that connects main connecting passage 5, be in the second place, under the effect of position-limit mechanism 8 and Returnning spring 7, be in the second place, the plunger 43 stifled jetburners 41 that hide, spraying source of the gas can not flow into the sealing cylinder chamber by injection channel, therefore can not influence the refrigerating capacity and the refrigeration of compressor.
The secondary connecting passage 6 of present embodiment also can be connected to the medium pressure gas connection and be directly connected to the low pressure connection, when refrigerating state, pressure acting in conjunction by suitable Returnning spring 7 and secondary connecting passage 6 low pressure connecting passage low-pressure gases also can make plunger 43 be in " in press " state at secondary connecting passage 6 one ends, thus the formation control mechanism.
Embodiment eight
Shown in Figure 19,20, the housing assembly that the rotary compressor of present embodiment constitutes the sealing cylinder chamber includes upper flange (not shown), lower flange 2 and cylinder 3, the post hole 4 of half passing hole type is set at the lower flange 2 of housing assembly, the open end of half through hole is provided with copper rivet formula tail plug 44, in post hole 4, be provided with the position-limit mechanism 8 of thin guide colume type on the tail plug 44, plunger 43 is arranged in the post hole 4, post hole 4 the other ends are provided with pin as position-limit mechanism 8, and the jetburner 41 that is communicated in the cylinder chamber is set in the post hole 4; Post hole 4 one ends are provided with main connecting passage 5, post hole 4 the other ends are provided with secondary connecting passage 6, main connecting passage 5 is an injection channel, secondary connecting passage 6 is the common-use tunnel of high pressure connecting passage and low pressure connecting passage, and the main connecting passage 5 of present embodiment is communicated to cylinder 3 and the gas port that is connected outward with cylinder chamber is set with secondary connecting passage 6; Main connecting passage 5 and secondary connecting passage 6 constitute the control mechanism of drive plunger 43 in primary importance and second place activity.
When present embodiment is installed in the refrigerated air-conditioning system, as the main connecting passage 5 of injection channel with spray the source of the gas chamber and be connected, be connected with low-pressure gas source with high-pressure air source in the refrigeration system by two-position three-way valve as the secondary connecting passage 6 of high pressure connecting passage and low pressure connecting passage common-use tunnel; When needs heat, two-position three-way valve makes secondary connecting passage 6 be communicated with low-pressure gas source, and close being connected of secondary connecting passage 6 and system high pressure source of the gas, the pressure that sprays source of the gas is greater than the low-pressure gas source gas pressure, and there is draught head in plunger 43 two ends, and plunger 43 moves to low pressure one end of auxiliary connection connecting passage 6, be in primary importance, at this moment, jetburner 41 and main connecting passage 5 conductings as injection channel spray source of the gas and enter the sealing cylinder chamber and reach and increase the purpose that enthalpy sprays; When refrigerating state, two-position three-way valve makes secondary connecting passage 6 be communicated with the system high pressure source of the gas, and close being connected of secondary connecting passage 6 and low-pressure gas source, because the pressure that sprays source of the gas in the system is less than the system high pressure bleed pressure, there is draught head in plunger 43 two ends, plunger 43 moves to connecting main low pressure one end that leads to that connects, under the effect of pin position-limit mechanism 8, be in the second place, the plunger 43 stifled jetburners 41 that hide, spraying source of the gas can not flow into the sealing cylinder chamber by injection channel, therefore can not influence the refrigerating capacity and the refrigeration of compressor.
The above embodiment, it is preferred embodiments of the present utility model, be not to limit the utility model practical range,, all should be included in the utility model patent claim so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify.
Claims (19)
1. rotary compressor with plunger type enthalpy adding apparatus, the housing assembly of described rotary compressor includes upper flange, lower flange and cylinder, and upper flange, lower flange are arranged on the cylinder two ends and enclose the sealing cylinder chamber; It is characterized in that, the housing assembly that constitutes the sealing cylinder chamber is provided with the post hole, the post hole is provided with the jetburner that is communicated with cylinder chamber, also be provided with on the post hole and connect the outer injection channel of cylinder chamber, post is provided with plunger in the hole, and housing assembly is provided with the control mechanism of control plunger motion, and control mechanism makes plunger be in the primary importance or the second place, jetburner and injection channel conducting when primary importance, plunger is stifled when the second place hides jetburner and makes jetburner and the injection channel blocking-up.
2. a kind of rotary compressor according to claim 1 with plunger type enthalpy adding apparatus, it is characterized in that, described post hole one end is provided with main connecting passage, the other end is provided with secondary connecting passage, main connecting passage with form control mechanism after secondary connecting passage is connected source of the gas and make plunger be in the primary importance or the second place.
3. a kind of rotary compressor according to claim 2 with plunger type enthalpy adding apparatus, it is characterized in that, described main connecting passage is for being communicated with the system high pressure passage of refrigeration system high pressure, secondary connecting passage is the low pressure connecting passage, injection channel is arranged on middle part, post hole, and described plunger is the binodal plunger of disjunctor.
4. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 2 is characterized in that described main connecting passage is injection channel, and secondary connecting passage is the low pressure connecting passage.
5. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 2 is characterized in that described main connecting passage is the common-use tunnel of injection channel and low pressure connecting passage, and secondary connecting passage is middle pressure connecting passage.
6. according to claim 3 or 4 or 5 described a kind of rotary compressors, it is characterized in that described secondary connecting passage is the passage that is communicated in the sealing cylinder chamber with plunger type enthalpy adding apparatus.
7. according to claim 3 or 4 or 5 described a kind of rotary compressors, it is characterized in that described secondary connecting passage is for being communicated with the connecting passage of refrigeration system with plunger type enthalpy adding apparatus.
8. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 2 is characterized in that described main connecting passage is an injection channel, and secondary connecting passage is the common-use tunnel of system high pressure connection and low pressure connecting passage.
9. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 8 is characterized in that, described secondary connecting passage is for being communicated with the connecting passage of refrigeration system.
10. according to claim 1-5,8,9 any described a kind of rotary compressors, it is characterized in that described post hole is for connecting the through hole that is arranged on the housing assembly with plunger type enthalpy adding apparatus.
11., it is characterized in that described post hole is to be arranged on half through hole of putting on housing assembly according to claim 1-5,8,9 any described a kind of rotary compressors with plunger type enthalpy adding apparatus.
12., it is characterized in that described post hole is " V " shape hole that is arranged on the housing assembly according to claim 1-5,8,9 any described a kind of rotary compressors with plunger type enthalpy adding apparatus.
13., it is characterized in that secondary connecting passage one end of described plunger is provided with Returnning spring according to claim 1-5,8,9 any described a kind of rotary compressors with plunger type enthalpy adding apparatus.
14., it is characterized in that described plunger end is provided with position-limit mechanism according to claim 1-5,8,9 any described a kind of rotary compressors with plunger type enthalpy adding apparatus.
15. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 14 is characterized in that described position-limit mechanism is thin guide pillar.
16. a kind of rotary compressor with plunger type enthalpy adding apparatus according to claim 14 is characterized in that, described position-limit mechanism is the awl post that is arranged on plunger end.
17 a kind of rotary compressors with plunger type enthalpy adding apparatus according to claim 14 is characterized in that described position-limit mechanism is the pin that is arranged on the post nose end.
18 a kind of rotary compressors with plunger type enthalpy adding apparatus according to claim 14 is characterized in that described position-limit mechanism is the air pipe that is plugged in the post hole.
19 a kind of rotary compressors with plunger type enthalpy adding apparatus according to claim 14 is characterized in that described position-limit mechanism is the pin that is arranged in the post hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200015641U CN201363279Y (en) | 2009-01-19 | 2009-01-19 | Rotary compressor with plunger type enthalpy-increasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200015641U CN201363279Y (en) | 2009-01-19 | 2009-01-19 | Rotary compressor with plunger type enthalpy-increasing device |
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| CN201363279Y true CN201363279Y (en) | 2009-12-16 |
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|---|---|---|---|
| CNU2009200015641U Expired - Lifetime CN201363279Y (en) | 2009-01-19 | 2009-01-19 | Rotary compressor with plunger type enthalpy-increasing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
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2009
- 2009-01-19 CN CNU2009200015641U patent/CN201363279Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091216 |