CN202521934U - Variable flow ejector and refrigeration device constituted thereby - Google Patents
Variable flow ejector and refrigeration device constituted thereby Download PDFInfo
- Publication number
- CN202521934U CN202521934U CN2012200257515U CN201220025751U CN202521934U CN 202521934 U CN202521934 U CN 202521934U CN 2012200257515 U CN2012200257515 U CN 2012200257515U CN 201220025751 U CN201220025751 U CN 201220025751U CN 202521934 U CN202521934 U CN 202521934U
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- Prior art keywords
- injector
- push rod
- baffle plate
- nozzle
- diaphragm
- Prior art date
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- 238000005057 refrigeration Methods 0.000 title abstract description 10
- 239000007788 liquids Substances 0.000 claims description 33
- 239000003507 refrigerants Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000009792 diffusion process Methods 0.000 claims description 11
- 230000000875 corresponding Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 210000000188 Diaphragm Anatomy 0.000 claims 10
- 239000007789 gases Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 33
- 239000012528 membrane Substances 0.000 abstract 5
- 101700078171 KNTC1 Proteins 0.000 description 19
- 238000001816 cooling Methods 0.000 description 7
- 210000003800 Pharynx Anatomy 0.000 description 2
- 230000002153 concerted Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
The utility model discloses an ejector capable of automatically adjusting jet flow and a refrigeration device constituted thereby, and aims to provide the ejector and the refrigeration device which have the advantages of adjusting the jet fluid flow to counteract the influence of load change on working performance of the ejector along with refrigeration load change of the refrigeration device and guaranteeing operation performance of the refrigeration device in a wider range. A side face of the ejector nozzle is connected with a main fluid inlet connecting pipe; the rear part of the nozzle is fixedly connected with a baffle; one end of a main body receiving chamber of the ejector is provided with an end cover; a membrane is arranged between the end cover and the baffle; the membrane and the baffle are welded with the inner side of the ejector main body along the circumferential edge respectively; a first pressure cavity is formed between the membrane and the end cover; a second pressure cavity is formed between the membrane and the baffle; a valve needle and a push rod are arranged in the nozzle; the front end of the valve needle corresponds to the outlet end face of the nozzle, and the rear end of the valve needle is fixedly connected with the push rod; the push rod is fixedly connected with the membrane; a spring is sleeved outside the push rod in the second pressure cavity; and the end cover is provided with a first connecting pipe.
Description
Technical field
The utility model relates to a kind of injector of unsteady flow amount and the refrigerating plant of composition thereof.
Background technology
The present refrigerating plant that has injector adopts the injector of the fixed structure that design is accomplished under the given duty, and injector can not change once just processing, and like this, injector only just can reach maximal efficiency under design point.But in actual moving process; When the cooling load of refrigerating plant changed, the absorption thermic load of evaporimeter changed, and the state of driving fluid changes; Cause the running parameter off-design parameter of injector; Cause ejector efficiency to descend, even can not work, influence the runnability of refrigerating plant.For injector can efficiently be moved under wideer condition of work, the reply injector is regulated, and adjustment driving fluid mass flow is offset the influence of load variations to the injector service behaviour, guarantees the runnability of refrigerating plant.But present adjustable injector complex structure, adjusting inconvenience.
The utility model content
The utility model is in order to overcome weak point of the prior art; Provide a kind of cooling load to change along with refrigerating plant; Can regulate the driving fluid flow and offset the influence of load variations the injector service behaviour; Ensure the runnability of refrigerating plant in relative broad range, and, refrigerating plant simple in structure, easily manufactured, as to regulate injector flexibly and composition thereof.
The utility model is realized through following technical proposals:
A kind of injector of unsteady flow amount is provided with receiving chamber, mixing chamber, diffusion chamber in the main body of injector, be provided with nozzle in the said receiving chamber; The main body of said injector is provided with the driving fluid entrance sleeve that is communicated with said receiving chamber, it is characterized in that, the side of said nozzle is connected with primary fluid inlet and takes over; The rear portion of said nozzle is fixedly connected with baffle plate, and an end of the main body receiving chamber of said injector is equipped with end cap, between said end cap and the said baffle plate diaphragm is installed; Said diaphragm and baffle plate are respectively along circumferential edges and the inboard welding of injector body; Form first pressure chamber between said diaphragm and the said end cap, form second pressure chamber between said diaphragm and the said baffle plate, be provided with needle and push rod in the said nozzle; Said needle front end is corresponding with the jet expansion end face; Said needle rear end is fixedly connected with said push rod, and said push rod passes baffle plate and is fixedly connected with said diaphragm, and the push rod outside in said second pressure chamber is with spring; Seal between said push rod and the said baffle plate, be connected with first adapter that is communicated with said first pressure chamber on the said end cap.
Offer the micropore that is communicated with said second pressure chamber on the said baffle plate.
Said push rod, needle, nozzle are coaxial with injector body.
A kind of refrigerating plant that uses above-mentioned injector is characterized in that, comprises compressor, condenser, evaporimeter, heating power expansion valve, gas-liquid separator and injector; Be provided with receiving chamber, mixing chamber, diffusion chamber in the main body of said injector, be provided with nozzle in the said receiving chamber, the main body of said injector is provided with the driving fluid entrance sleeve that is communicated with said receiving chamber; The side of said nozzle is connected with primary fluid inlet and takes over; The rear portion of said nozzle is fixedly connected with baffle plate, and an end of the main body receiving chamber of said injector is equipped with end cap, between said end cap and the said baffle plate diaphragm is installed; Said diaphragm and baffle plate are respectively along circumferential edges and the inboard welding of injector body; Form first pressure chamber between said diaphragm and the said end cap, form second pressure chamber between said diaphragm and the said baffle plate, be provided with needle and push rod in the said nozzle; Said needle front end is corresponding with the jet expansion end face; Said needle rear end is fixedly connected with said push rod, and said push rod passes baffle plate and is fixedly connected with said diaphragm, and the push rod outside in said second pressure chamber is with spring; Seal between said push rod and the said baffle plate, be connected with first adapter that is communicated with said first pressure chamber on the said end cap; The outlet of said compressor is connected with the inlet of said condenser; The outlet of said condenser is taken over the primary fluid inlet of said injector and is connected; The outlet of said injector is connected with the import of said gas-liquid separator; The gas vent of said gas-liquid separator is connected with the import of said compressor; The liquid outlet of said gas-liquid separator is connected with the refrigerant inlet of evaporimeter through said heating power expansion valve, and the refrigerant outlet of said evaporimeter is connected with the driving fluid entrance sleeve of said injector, and the pipeline outside, refrigerant outlet place of said evaporimeter is equipped with bulb; One side interface of said bulb is taken over through second and is connected with said heating power expansion valve, and bulb opposite side interface is connected with first adapter on the injector end cap; When said evaporimeter is flooded evaporator, offer the micropore that is communicated with said second pressure chamber on the said injector baffle plate; When said evaporimeter was dry evaporator or pipe-coil type evaporator, the refrigerant outlet of evaporimeter was connected through balance pipe with second pressure chamber.Said push rod, needle, nozzle are coaxial with injector body.
The utlity model has following technique effect:
1, injector of the utility model and refrigerating plant thereof; Along with the cooling load of refrigerating plant changes,, experience the refrigerant temperature of evaporator outlet through the bulb of evaporator outlet place pipeline outside; Variation according to pressure; Promote the move left and right of diaphragm, realize the continuous adjusting of area of nozzle throat, thereby change the flow of driving fluid; Offset the influence of load variations, the stability that the raising system moves through regulating the driving fluid flow in relative broad range to the injector service behaviour.
2, the injector of the unsteady flow amount of the utility model and refrigerating plant thereof system is simple in structure, easily manufactured, regulate flexibly, and convenient control, safe and reliable.
Description of drawings
Fig. 1 is the injector sketch map of the unsteady flow amount of the utility model.
Fig. 2 adopts the refrigerating plant sketch map of flooded evaporator for the utility model.
Fig. 3 the utility model adopts the sketch map of the refrigerating plant of dry evaporator or pipe-coil type evaporator.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
The sketch map of the injector of the utility model unsteady flow amount is as shown in Figure 1; In the main body of injector, be provided with receiving chamber 13, mixing chamber 4, diffusion chamber 5, be provided with nozzle 3 in the said receiving chamber 13, the main body of said injector is provided with the driving fluid entrance sleeve 7 that is communicated with said receiving chamber; The side of said nozzle is connected with primary fluid inlet and takes over 2; The rear portion of said nozzle is fixedly connected with baffle plate 8, and an end of the main body receiving chamber of said injector is equipped with end cap 23, between said end cap 23 and the said baffle plate 8 diaphragm 10 is installed; Said diaphragm 10 welds along circumferential edges and injector body inboard respectively with baffle plate 8; Form first pressure chamber 11 between said diaphragm 10 and the said end cap 23, form second pressure chamber between said diaphragm and the said baffle plate, be provided with needle 6 and push rod 1 in the said nozzle; Said needle 6 front ends are corresponding with nozzle 3 exit end faces; Said needle 6 rear ends are fixedly connected with said push rod 1, and said push rod 1 passes baffle plate 8 and is fixedly connected with said diaphragm 10, and push rod 1 outside in said second pressure chamber is with spring 12; Sealing between said push rod 1 and the said baffle plate 8 is connected with first adapter 9 that is communicated with said first pressure chamber on the said end cap 23.When refrigerating plant adopts flooded evaporator; Offer the micropore that is communicated with said second pressure chamber on the said baffle plate; The aperture of micropore is designed according to the operating condition of refrigerating plant; Should make gas pressure, the spring force of spring 12 and the gas force optimum Match that gets into second pressure chamber through the micropore throttling in first pressure chamber 11, guarantee to promote push rod 1 and move continuously with needle 6.Said push rod 1, needle 6, nozzle 3 are coaxial with injector body.
The sketch map of the refrigerating plant of the utility model employing flooded evaporator is as shown in Figure 2; Comprise compressor 14, condenser 21, evaporimeter 18-1, heating power expansion valve 16, gas-liquid separator 15 and injector 20, the sketch map of said injector is as shown in Figure 1, is provided with receiving chamber 13, mixing chamber 4, diffusion chamber 5 in the main body of injector; Be provided with nozzle 3 in the said receiving chamber 13; The main body of said injector is provided with the driving fluid entrance sleeve 7 that is communicated with said receiving chamber, and the side of said nozzle is connected with primary fluid inlet and takes over 2, and the rear portion of said nozzle is fixedly connected with baffle plate 8; One end of the main body receiving chamber of said injector is equipped with end cap 23; Between said end cap and the said baffle plate diaphragm 10 is installed, said diaphragm 10 welds along circumferential edges and injector body inboard respectively with baffle plate 8, forms first pressure chamber 11 between said diaphragm 10 and the said end cap 23; Form second pressure chamber between said diaphragm 10 and the said baffle plate 8; Be provided with needle 6 and push rod 1 in the said nozzle, said needle 6 front ends are corresponding with the jet expansion end face, and said needle rear end is fixedly connected with said push rod; Said push rod 1 passes baffle plate 8 and is fixedly connected with said diaphragm 10; Push rod 1 outside in said second pressure chamber is with spring 12, seals between said push rod 1 and the said baffle plate, is connected with first adapter 9 that is communicated with said first pressure chamber on the said end cap 23.Said push rod, needle, nozzle are coaxial with injector body.The outlet of said compressor 14 is connected with the inlet of said condenser 21; The outlet of said condenser is taken over 2 with the primary fluid inlet of said injector and is connected; The outlet 24 of said injector is connected with the import of said gas-liquid separator 15; The gas vent of said gas-liquid separator is connected with the import of said compressor; The liquid outlet of said gas-liquid separator is connected with the refrigerant inlet of evaporimeter 18-1 through said heating power expansion valve 16, and the refrigerant outlet of said evaporimeter is connected with the driving fluid entrance sleeve 7 of said injector, and the pipeline outside, refrigerant outlet place of said evaporimeter is equipped with bulb 19; One side interface of said bulb is taken over 17 through second and is connected with said heating power expansion valve 16, and bulb 19 opposite side interfaces are connected with first adapter 9 on the injector end cap.Said evaporimeter 18-1 is a flooded evaporator, offers the micropore that is communicated with said second pressure chamber on the said injector baffle plate 8.
When refrigerating plant shown in Figure 2 moves; The high-temperature high-pressure refrigerant that refrigeration compressor 14 is discharged gets into condenser 21; Carrying out heat exchange with the cooling medium in the external world emits heat and condenses into liquid; The liquid main fluid of high-pressure refrigerant gets into nozzle 3 expansions of injector 20 and with flow at high speed, causes very low pressure in the exit of nozzle 3, because of the rate of outflow is high, pressure is low; Attract the receiving chamber 13 of the low-pressure refrigerant vapor entering injector 20 that evaporation generates in the flooded evaporator 18-1 shell-side space; Steam gets into diffusion chamber 5 after mixing together in mixing chamber 4, and flow velocity reduces in diffusion chamber 5, pressure raises back entering gas-liquid separator 15, and isolated gas gets into refrigeration compressor 14 in gas-liquid separator 15; Isolated liquid gets into the shell-side space of flooded evaporator after heating power expansion valve 16 throttling step-downs, for the refrigerating medium in the flooded evaporator 18-1 heat exchanger tube provides low-temperature receiver.Get into the liquid main fluid of micro-high-pressure refrigerant in the nozzle 3, second pressure chamber that micropore throttling entering baffle plate 8 on baffle plate 8 and diaphragm are 10.
When the cooling load of refrigerating plant shown in Figure 2 increases; The heat that cold-producing medium absorbs among the flooded evaporator 18-1 increases, and the temperature in flooded evaporator 18-1 shell-side exit raises, and the pressure of driving fluid increases; If the circulation area of nozzle 3 outlets is constant; The pressure of driving fluid and main fluid increases, and entrainments the flow that gets into the driving fluid in the receiving chamber 13 and increases, and the cold-producing medium among the flooded evaporator 18-1 lacks; Seriously can cause internal upper part heat exchanger tube surface, shell-side space dry, influence the normal operation of refrigerating plant.Because the bulb 19 of pipeline outside, flooded evaporator 18-1 shell-side exit shown in Figure 2 is experienced temperature and raise, the temperature of the cold-producing medium in the bulb raises, pressure raises; The gas pressures that are delivered in first pressure chamber 11 through first adapter 9 raise; Promote the gas force that diaphragm 10 overcomes the spring force of spring 12 and the micropore throttling gets into baffle plate 8 and 10 second pressure chambers of diaphragm on baffle plate 8, promote push rod 1 and move right with needle 6, the circulation area of nozzle 3 outlets reduces; Ejector capacity reduces; Entrainment the flow that gets into the driving fluid in the receiving chamber 13 and reduce, alleviate the situation that evaporimeter shell-side space lacks cold-producing medium, simultaneously; The signal that the temperature of the cold-producing medium in the bulb raises, the pressure rising is delivered to heating power expansion valve 16 through second adapter 17; The aperture of heating power expansion valve 16 is strengthened, and liquid supply rate increases, and makes system still keep stable operation, slackens the influence of load variations.Otherwise; When the cooling load of refrigerating plant reduces; The bulb 19 of pipeline outside, evaporator shell side outlet place is experienced temperature and is reduced, and the temperature of the cold-producing medium in the bulb reduces, and the gas pressure that is delivered in first pressure chamber 11 through first adapter 9 reduces; Diaphragm 10 is at the spring force of spring 12 with under the promotion of the gas force of micropore throttling entering baffle plate 8 and 10 second pressure chambers of diaphragm on the baffle plate 8; Drive push rod 1 and be moved to the left with needle 6, the circulation area of nozzle 3 outlets increases, and ejector capacity increases.
The sketch map of the refrigerating plant of the utility model employing dry evaporator or pipe-coil type evaporator is as shown in Figure 3; Comprise compressor 14, condenser 21, evaporimeter 18-2, heating power expansion valve 16, gas-liquid separator 15 and injector 20, the sketch map of said injector is as shown in Figure 1, is provided with receiving chamber 13, mixing chamber 4, diffusion chamber 5 in the main body of injector; Be provided with nozzle 3 in the said receiving chamber 13; The main body of said injector is provided with the driving fluid entrance sleeve 7 that is communicated with said receiving chamber, and the side of said nozzle is connected with primary fluid inlet and takes over 2, and the rear portion of said nozzle is fixedly connected with baffle plate 8; One end of the main body receiving chamber of said injector is equipped with end cap 23; Between said end cap and the said baffle plate diaphragm 10 is installed, said diaphragm 10 welds along circumferential edges and injector body inboard respectively with baffle plate 8, forms first pressure chamber 11 between said diaphragm 10 and the said end cap 23; Form second pressure chamber between said diaphragm 10 and the said baffle plate 8; Be provided with needle 6 and push rod 1 in the said nozzle, said needle 6 front ends are corresponding with the jet expansion end face, and said needle rear end is fixedly connected with said push rod; Said push rod 1 passes baffle plate 8 and is fixedly connected with said diaphragm 10; Push rod 1 outside in said second pressure chamber is with spring 12, seals between said push rod 1 and the said baffle plate, is connected with first adapter 9 that is communicated with said first pressure chamber on the said end cap 23.Said push rod, needle, nozzle are coaxial with injector body.The outlet of said compressor 14 is connected with the inlet of said condenser 21; The outlet of said condenser is taken over 2 with the primary fluid inlet of said injector and is connected; The outlet 24 of said injector is connected with the import of said gas-liquid separator 15; The gas vent of said gas-liquid separator is connected with the import of said compressor; The liquid outlet of said gas-liquid separator is connected with the refrigerant inlet of evaporimeter 18-2 through said heating power expansion valve 16, and the refrigerant outlet of said evaporimeter is connected with the driving fluid entrance sleeve 7 of said injector, and the pipeline outside, refrigerant outlet place of said evaporimeter is equipped with bulb 19; One side interface of said bulb is taken over 17 through second and is connected with said heating power expansion valve 16, and bulb 19 opposite side interfaces are connected with first adapter 9 on the injector end cap.Said evaporimeter 18-2 is dry evaporator or pipe-coil type evaporator, and the refrigerant outlet of evaporimeter is connected through balance pipe 22 with second pressure chamber.
When refrigerating plant shown in Figure 3 moves; The high-temperature high-pressure refrigerant that refrigeration compressor 14 is discharged gets into condenser 21; Carrying out heat exchange with the cooling medium in the external world emits heat and condenses into liquid; The liquid main fluid of high-pressure refrigerant gets into nozzle 3 expansions of injector 20 and with flow at high speed, causes very low pressure in the exit of nozzle 3, because of the rate of outflow is high, pressure is low; Attract the receiving chamber 13 of the low-pressure refrigerant vapor entering injector 20 that evaporation generates in the evaporimeter 18-2; Steam gets into diffusion chamber 5 after mixing together in mixing chamber 4, and flow velocity reduces in diffusion chamber 5, pressure raises back entering gas-liquid separator 15, and isolated gas gets into refrigeration compressor 14 in gas-liquid separator 15; Isolated liquid gets into evaporimeter after heating power expansion valve 16 throttling step-downs, for the refrigerating medium in the evaporimeter 18-2 heat exchanger tube provides low-temperature receiver.Second pressure chamber that micro-higher pressure refrigerant gas entering baffle plate 8 in the entering balance pipe 22 and diaphragm are 10.
When the cooling load of refrigerating plant shown in Figure 3 increased, the temperature in evaporimeter 18-2 exit raise, and the pressure of driving fluid increases; Bulb 19 is experienced temperature and is raise, and the temperature of the cold-producing medium in the bulb raises, pressure raises, and the gas pressure that is delivered in first pressure chamber 11 through first adapter 9 raises; Promote diaphragm 10 and overcome the spring force of spring 12 and making a concerted effort of balance pipe 22 transmission gas forces, promote push rod 1 and move right with needle 6, the circulation area of nozzle 3 outlets reduces; Ejector capacity reduces; Entrainment the flow that gets into the driving fluid in the receiving chamber 13 and reduce, alleviate the situation that lacks cold-producing medium in the evaporimeter 18-2 pipe, simultaneously; The signal that the temperature of the cold-producing medium in the bulb raises, the pressure rising is delivered to heating power expansion valve 16 through second adapter 17; The aperture of heating power expansion valve 16 is strengthened, and liquid supply rate increases, and makes system still keep stable operation, slackens the influence of load variations.Otherwise when the cooling load of refrigerating plant reduced, evaporimeter 18-2 exit bulb 19 was experienced temperature and is reduced; The temperature of the cold-producing medium in the bulb reduces; Take over 9 gas pressures that are delivered in first pressure chamber 11 through first and reduce, diaphragm 10 the spring force of spring 12 and balance pipe 22 transmit gas forces make a concerted effort promote down, drive push rod 1 and needle 6 are moved to the left; The circulation area of nozzle 3 outlets increases, and ejector capacity increases.
Through moving of diaphragm, realize the continuous adjusting of area of nozzle throat, thus stability that the raising system moves in relative broad range and economy.
Claims (5)
1. the injector of a unsteady flow amount is provided with receiving chamber, mixing chamber, diffusion chamber in the main body of injector, is provided with nozzle in the said receiving chamber; The main body of said injector is provided with the driving fluid entrance sleeve that is communicated with said receiving chamber, it is characterized in that, the side of said nozzle is connected with primary fluid inlet and takes over; The rear portion of said nozzle is fixedly connected with baffle plate, and an end of the main body receiving chamber of said injector is equipped with end cap, between said end cap and the said baffle plate diaphragm is installed; Said diaphragm and baffle plate are respectively along circumferential edges and the inboard welding of injector body; Form first pressure chamber between said diaphragm and the said end cap, form second pressure chamber between said diaphragm and the said baffle plate, be provided with needle and push rod in the said nozzle; Said needle front end is corresponding with the jet expansion end face; Said needle rear end is fixedly connected with said push rod, and said push rod passes baffle plate and is fixedly connected with said diaphragm, and the push rod outside in said second pressure chamber is with spring; Seal between said push rod and the said baffle plate, be connected with first adapter that is communicated with said first pressure chamber on the said end cap.
2. the injector of unsteady flow amount according to claim 1 is characterized in that, said baffle plate is provided with the micropore that is communicated with said second pressure chamber.
3. the injector of unsteady flow amount according to claim 1 is characterized in that, said push rod, needle, nozzle are coaxial with injector body.
4. a refrigerating plant that uses claim 1 or 2 said injectors is characterized in that, comprises compressor, condenser, evaporimeter, heating power expansion valve, gas-liquid separator and injector; Be provided with receiving chamber, mixing chamber, diffusion chamber in the main body of said injector, be provided with nozzle in the said receiving chamber, the main body of said injector is provided with the driving fluid entrance sleeve that is communicated with said receiving chamber; The side of said nozzle is connected with primary fluid inlet and takes over; The rear portion of said nozzle is fixedly connected with baffle plate, and an end of the main body receiving chamber of said injector is equipped with end cap, between said end cap and the said baffle plate diaphragm is installed; Said diaphragm and baffle plate are respectively along circumferential edges and the inboard welding of injector body; Form first pressure chamber between said diaphragm and the said end cap, form second pressure chamber between said diaphragm and the said baffle plate, be provided with needle and push rod in the said nozzle; Said needle front end is corresponding with the jet expansion end face; Said needle rear end is fixedly connected with said push rod, and said push rod passes baffle plate and is fixedly connected with said diaphragm, and the push rod outside in said second pressure chamber is with spring; Seal between said push rod and the said baffle plate, be connected with first adapter that is communicated with said first pressure chamber on the said end cap; The outlet of said compressor is connected with the inlet of said condenser; The outlet of said condenser is taken over the primary fluid inlet of said injector and is connected; The outlet of said injector is connected with the import of said gas-liquid separator; The gas vent of said gas-liquid separator is connected with the import of said compressor; The liquid outlet of said gas-liquid separator is connected with the refrigerant inlet of evaporimeter through said heating power expansion valve, and the refrigerant outlet of said evaporimeter is connected with the driving fluid entrance sleeve of said injector, and the pipeline outside, refrigerant outlet place of said evaporimeter is equipped with bulb; One side interface of said bulb is taken over through second and is connected with said heating power expansion valve, and bulb opposite side interface is connected with first adapter on the injector end cap; When said evaporimeter is flooded evaporator, offer the micropore that is communicated with said second pressure chamber on the said injector baffle plate; When said evaporimeter was dry evaporator or pipe-coil type evaporator, the refrigerant outlet of evaporimeter was connected through balance pipe with second pressure chamber.
5. refrigerating plant according to claim 4 is characterized in that, said push rod, needle, nozzle are coaxial with injector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200257515U CN202521934U (en) | 2012-01-19 | 2012-01-19 | Variable flow ejector and refrigeration device constituted thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200257515U CN202521934U (en) | 2012-01-19 | 2012-01-19 | Variable flow ejector and refrigeration device constituted thereby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202521934U true CN202521934U (en) | 2012-11-07 |
Family
ID=47104879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200257515U CN202521934U (en) | 2012-01-19 | 2012-01-19 | Variable flow ejector and refrigeration device constituted thereby |
Country Status (1)
| Country | Link |
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| CN (1) | CN202521934U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN104075509A (en) * | 2014-07-01 | 2014-10-01 | 浙江大学 | Ejector capable of automatically regulating area ratio along with generating temperature and jet type refrigerating machine |
| CN105452676A (en) * | 2013-08-01 | 2016-03-30 | 株式会社电装 | Ejector |
| CN106382761A (en) * | 2016-08-26 | 2017-02-08 | 山东建筑大学 | Electric adjustable throttle and jet type bubble absorption integrated device |
| US10704813B2 (en) | 2014-01-30 | 2020-07-07 | Carrier Corporation | Ejectors and methods of manufacture |
-
2012
- 2012-01-19 CN CN2012200257515U patent/CN202521934U/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563944A (en) * | 2012-01-19 | 2012-07-11 | 天津商业大学 | Ejector with automatic adjustment of ejecting flow and refrigerating system comprising same |
| CN105452676A (en) * | 2013-08-01 | 2016-03-30 | 株式会社电装 | Ejector |
| CN105452676B (en) * | 2013-08-01 | 2017-06-20 | 株式会社电装 | Injector |
| US10704813B2 (en) | 2014-01-30 | 2020-07-07 | Carrier Corporation | Ejectors and methods of manufacture |
| CN104075509A (en) * | 2014-07-01 | 2014-10-01 | 浙江大学 | Ejector capable of automatically regulating area ratio along with generating temperature and jet type refrigerating machine |
| CN106382761A (en) * | 2016-08-26 | 2017-02-08 | 山东建筑大学 | Electric adjustable throttle and jet type bubble absorption integrated device |
| CN106382761B (en) * | 2016-08-26 | 2017-08-25 | 山东建筑大学 | A kind of electronic adjustable throttling and injecting type bubble absorption integrated apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| RGAV | Abandon patent right to avoid regrant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121107 Effective date of abandoning: 20140226 |