CN106438290B - Cold oil device and air-conditioning equipment with it - Google Patents
Cold oil device and air-conditioning equipment with it Download PDFInfo
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- CN106438290B CN106438290B CN201610810542.4A CN201610810542A CN106438290B CN 106438290 B CN106438290 B CN 106438290B CN 201610810542 A CN201610810542 A CN 201610810542A CN 106438290 B CN106438290 B CN 106438290B
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- disk body
- cold oil
- oil device
- medium inlet
- valve plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/062—Cooling by injecting a liquid in the gas to be compressed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0269—Hermetic compressors with device for spraying lubricant or with mist lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/08—Actuation of distribution members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The present invention provides a kind of cold oil device and with its air-conditioning equipment.Cold oil device according to the present invention includes pulse assignment unit and spray portion, the distributing construction that pulse assignment unit includes the medium inlet of introducing cooling medium, is connected to or blocks with corresponding media outlet to the media outlet of spray portion conveying cooling medium and control medium inlet, media outlet are connect with spray portion.Continuous cooling medium stream is converted into pulse cooling medium flow field by cold oil device, to realize the control to amount of cooling water, realizes and reliably controls cooling oil temperature while lubricating oil is cooling.
Description
Technical field
The present invention relates to apparatus of air conditioning field, set in particular to a kind of cold oil device and with its air-conditioning
It is standby.
Background technique
When centrifugal compressor works, since amount of heat can be generated when bearing and working gear.If cannot cool down in time, mistake
More heats will affect the bearing shell performance of centrifugal compressor.And high oil temperature will lead to lubricating oil viscosity reduction, oil film rigidity
Reduce, so as to cause bearing wear.It needs to control lubricating oil temperature thus, lubricating oil is cooled down.
In order to solve the problems, such as that lubricating oil is cooling, the frequency centrifugal compressor of determining of the prior art is mostly used the lubrication in fuel tank greatly
Oil is cooling by external oil cooler (plate heat exchanger), and oil temperature is cooling in a certain range.Frequency conversion centrifugal compressor is adopted mostly
The oil and refrigerant mixing liquid injection of evaporator are reached into cold oil effect to fuel tank with injection mode.
But using external oil cooler cold oil mode, higher cost, the foreign matters such as iron filings in lubricating oil easily block external cold
Oily device, meanwhile, it is easy to appear the cooled low phenomenon of oil temperature.Using injection cold oil mode, it will lead to oil temperature and be unevenly distributed, thus
Lead to the too low and local high oil temperature of local oil temperature, can not accurately measure oil temperature, the practical oil when controlling oil temperature and reaching target value
Beyond more, there is the lower phenomenon of oil temperature, then must shut off cold oil control valve than demand in temperature, leads to control repeatedly, control process
Fluctuation is big, and it is long to stablize the time.Oil temperature is too low to be will lead to a large amount of refrigerants and is mixed into lubricating oil, meanwhile, also lead to lubricating oil viscosity
Increase, bearing wasted work increases.
Summary of the invention
The present invention is intended to provide a kind of can control the cold oil device of oil temperature and the air-conditioning equipment with it.
The present invention provides a kind of cold oil devices comprising pulse assignment unit and spray portion, pulse assignment unit include introducing
The medium inlet of cooling medium goes out to the media outlet of spray portion conveying cooling medium and control medium inlet with corresponding medium
Distributing construction mouth connection or blocked, media outlet are connect with spray portion.
Further, distributing construction is valve plate, and valve plate relative medium entrance can be rotated, and connection is provided on valve plate
The flow-guiding channel of medium inlet and media outlet, the central angle of flow-guiding channel is less than 360 °.
Further, pulse assignment unit further includes the first disk body and the second disk body of fixed setting, and medium inlet setting exists
On first disk body, media outlet is arranged on the second disk body, flow distributing chamber is formed between the first disk body and the second disk body, valve plate can
It is rotatably arranged in flow distributing chamber.
Further, the first disk body and the second disk body are disk, and medium inlet is arranged on the peripheral wall of the first disk body, first
First passage outlet is provided on the side wall of disk body the second disk body of direction, medium inlet and first passage outlet pass through first passage
Connection；Media outlet is arranged on the peripheral wall of the second disk body, and it is logical to be provided with second on the side wall of the second disk body the first disk body of direction
Road entrance, second channel entrance is connected to media outlet by second channel, and when medium inlet is connected to media outlet, water conservancy diversion is logical
Road is connected to first passage outlet and second channel entrance.
Further, medium inlet is 3, and is arranged along the turning circumference direction uniform intervals of valve plate, each medium
The corresponding first passage outlet of entrance, along the rotation direction of valve plate, the center of each first passage outlet and the first disk body
Distance be sequentially reduced, and each first passage outlet diameter be sequentially increased；Media outlet and medium inlet correspond, and edge
The turning circumference direction uniform intervals of valve plate are arranged, and each media outlet corresponds to a second channel entrance, along valve plate
Rotation direction, each second channel entrance is sequentially reduced at a distance from the center of the second disk body, and each second channel entrance is straight
Diameter is sequentially increased；3 flow-guiding channels are provided on valve plate, each flow-guiding channel is arc-shaped, and central angle is 120 °, and
3 flow-guiding channels are along the circumferential direction set gradually, along the rotation direction of valve plate, the distance in the center of circle of flow-guiding channel to valve plate
It is sequentially reduced, and the width of flow-guiding channel is sequentially increased.
Further, comb structure, comb teeth knot are additionally provided on the side wall for being provided with first passage outlet of the first disk body
Structure circumferentially forms the concentric circles of the first disk body, and the two sides radially along the first disk body of each first passage outlet correspond
Ground is provided with a comb structure；It is additionally provided with comb structure on the side wall for being provided with second channel entrance of second disk body, is combed
Toothing circumferentially forms the concentric circles of the second disk body, and the two sides radially along the second disk body of each second channel entrance are one by one
It is correspondingly provided with a comb structure.
Further, spray portion is multiple, and is successively spaced setting along the direction perpendicular to cooled liquid level, along far from quilt
The direction of cooling liquid level, the spray head aperture in spray portion is sequentially reduced.
Further, spray portion includes rotary spray part.
Further, the identical spray portion of height between cooled liquid level is connect with same media outlet, and cold
But the cross-sectional area for the media outlet that the bigger spray portion of the distance of liquid level is connected is bigger.
Further, cold oil device further includes mixing part, and mixing part setting is needing in cutting oil.
Further, mixing part includes the stirring motor of agitator arm and driving agitator arm, and agitator arm setting is needing
In cutting oil.
Further, pulse assignment unit is arranged on the output shaft of stirring motor, and distributing construction can be with stirring motor
Output shaft rotation.
According to another aspect of the present invention, a kind of air-conditioning equipment is provided comprising grease-box, heat exchanger and cold oil dress
It sets, cold oil device is above-mentioned cold oil device, and the medium inlet of cold oil device introduces cooling medium from heat exchanger, and passes through spray
Portion sprays cooling medium into grease-box.
Cold oil device according to the present invention and the air conditioner with it are realized by pulse assignment unit by continuous coo1ing medium
Circulation is changed to the purpose of pulse cooling medium flow field, can control cooling by the delivery interval and conveying capacity that control cooling medium
Amount prevents from cooling down too low to realize control to oil temperature, is sprayed, be can be improved cold to cooling medium by spray portion
But area improves cooling effect.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overlooking structure diagram of the grease-box according to the present invention with cold oil device；
Fig. 2 is that the pulse assignment unit of cold oil device according to the present invention is in the schematic cross-sectional view of blocking state；
Fig. 3 is the schematic view of the front view of the first disk body of cold oil device according to the present invention；
Fig. 4 is the schematic view of the front view of the distributing construction of cold oil device according to the present invention；
Fig. 5 is that the pulse assignment unit of cold oil device according to the present invention is in the first sectional structure signal of connected state
Figure；
Fig. 6 is the partial enlarged view in Fig. 5 at A；
Fig. 7 is that the pulse assignment unit of cold oil device according to the present invention is in the second sectional structure signal of connected state
Figure；
Fig. 8 is that the pulse assignment unit of cold oil device according to the present invention is in the third sectional structure signal of connected state
Figure.
Description of symbols:
1, stirring motor；2, pulse assignment unit；21, medium inlet；22, media outlet；23, distributing construction；231, water conservancy diversion
Channel；24, the first disk body；241, first passage exports；242, first passage；25, the second disk body；251, second channel entrance；
252, second channel；3, agitator arm；30, comb structure；4, spray portion；5, grease-box；6, be cooled liquid level；8, first axle
It holds；9, sealing ring；12, second bearing；13, output shaft；14, locking nut.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, pulse is matched according to an embodiment of the invention, cold oil device includes pulse assignment unit 2 and spray portion 4
Stream portion 2 includes the medium inlet 21 for introducing cooling medium, media outlet 22 and control medium to the conveying of spray portion 4 cooling medium
The distributing construction 23 that entrance 21 is connected to or blocks with corresponding media outlet 22, media outlet 22 are connect with spray portion 4.
The cold oil device conveys cooling medium to spray portion 4 by pulse assignment unit 2, by spray portion 4 to need to cool down profit
Lubricating oil sprays cooling medium realization and controls the temperature of lubricating oil.The distributing construction 23 of pulse assignment unit 2 can be connected to or block
Medium inlet 21 and media outlet 22 form pulse cooling medium flow field, to control the interval of pulse as needed to be needed
The lubricating oil temperature wanted.It is only needed to control the pulse spacing using the cold oil device to control lubricating oil temperature, without frequent
Start and stop cold oil control valve, the fluctuation reduced in control process realize good Oil-temperature control to reduce the stable time.
In the present embodiment, cold oil device is for cooling down the lubricating oil in air conditioner.Certainly, it can be used for
The case where any need spray.
Air conditioner holds lubricating oil by grease-box 5.Spray portion 4 is multiple, and along the side perpendicular to cooled liquid level 6
To successively interval setting, along the direction far from cooled liquid level, the spray head aperture in spray portion 4 is sequentially reduced.Spray portion 4 includes rotation
Turn spray part.Rotary spray part can be the existing spray head that can be realized rotary spray.Rotary spray part using liquid stream from
The impetus realization of heart action and reaction power is rotated in hydrojet, thus increases the active area of rotary spray part.
Spray portion 4 can be set in the upper portion side wall and/or top inner wall of grease-box 5.The spray head aperture in spray portion 4
According to apart from liquid level increase and reduce can keep same liquid level uniform force.
Fixed equipped with mixing part in 5 lower part of grease-box, mixing part setting is needing in cutting oil, for lubricating oil
It is stirred, keeps the lubricating oil temperature of different height in grease-box 5 uniform, avoid lubricating oil undercooling, it is ensured that lubricating oil
Temperature detector is surveyed accurate.
Specifically, mixing part includes the stirring motor 1 of agitator arm 3 and driving agitator arm 3, and the setting of agitator arm 3 exists
It needs in cutting oil.Stirring motor 1 is mounted on the side wall of grease-box 5, and the output shaft 13 and paddle of stirring motor 1
3 connection of wheel.Lubricating oil under 3 turning effort of agitator arm, it can be achieved that the lubricating oil on surface layer is sufficiently mixed with lower layer lubricating oil,
It prevents oil temperature to be unevenly distributed, solves the problems, such as that fuel temperature measurement is inaccurate.
In order to save space and the energy, the output shaft 13 of stirring motor 1 is additionally provided with pulse assignment unit 2, and agitator arm 3 is set
It sets in the side of the separate stirring motor 1 of pulse assignment unit 2.
As shown in Fig. 2, in the present embodiment, pulse assignment unit 2 further includes fixed setting in addition to including distributing construction 23
First disk body 24 and the second disk body 25, form flow distributing chamber between the first disk body 24 and the second disk body 25, distributing construction 23 can be rotated
Ground is arranged in flow distributing chamber.First disk body 24 is for being arranged medium inlet 21, and the second disk body 25 is for being arranged media outlet 22.When
So, in other embodiments, medium inlet 21 and media outlet 22 can be set by other structures, is not limited in this implementation
Mode disclosed in example.
Distributing construction 23 is valve plate.First disk body 24 and the setting of the second disk body 25 interval, distributing construction 23 are arranged two
Between person.Specifically, the output shaft 13 of stirring motor 1 is arranged in by first bearing 8 for the first disk body 24, and valve plate is set in defeated
It can rotate on shaft 13 and with output shaft 13, the second disk body 25 is arranged on output shaft 13 by second bearing 12, locking screw
Mother 14 is for locking the second disk body 25.Since the first disk body 24 and the second disk body 25 are not rotated with output shaft 13, valve plate
It can be rotated relative to the first disk body 24 and the second disk body 25, i.e., valve plate relative medium entrance 21 and media outlet 22 can be rotated.The
It is sealed between one disk body 24 and the second disk body 25 by sealing ring 9, prevents oil leak.
First disk body 24 and the second disk body 25 can be same shape or different shape.It can for round or direction or its
Its shape.In the present embodiment, the first disk body 24 and the second disk body 25 are disk.
Medium inlet 21 be arranged in the mode on the first disk body 24 can there are many kinds of, such as through-thickness run through first
Disk body 24, or be arranged on the side wall of the first disk body 24 etc..
As shown in figure 3, medium inlet 21 is arranged on the peripheral wall of the first disk body 24, the first disk body 24 is towards the second disk body 25
Side wall on be provided with first passage outlet 241, medium inlet 21 and first passage outlet 241 passes through first passage 242 and is connected to.
As shown in Figure 3 and Figure 5, first passage 242 includes along the part of the first disk body 24 radially extended and along the first disk
The axially extending part of body 24.Medium inlet 21 is equal with the cross-sectional area of corresponding first passage outlet 241.
Similarly, media outlet 22 is arranged on the peripheral wall of the second disk body 25, and the second disk body 25 is towards the first disk body 24
Second channel entrance 251 is provided on side wall, second channel entrance 251 is connected to media outlet 22 by second channel 252.
Second channel 252 includes along the part of the second disk body 25 radially extended and along the axially extending of the second disk body 25
Part.Media outlet 22 is equal with the cross-sectional area of corresponding second channel entrance 251.Medium inlet 21 and corresponding medium go out
The cross-sectional area of mouth 22 is equal.
The flow-guiding channel 231 of connection medium inlet 21 and media outlet 22, the circle of flow-guiding channel 231 are provided on valve plate
Heart angle is less than 360 °.Flow-guiding channel 231 runs through valve plate.In this way in valve plate rotation process, when flow-guiding channel 231 turns to
When being connected to first passage outlet 241, do not obstructed between first passage outlet 241 and second channel entrance 251, medium inlet
21 are connected to media outlet 22.When flow-guiding channel 231 turns over first passage outlet 241, first passage outlet 241 and second is logical
It is valve plate between road entrance 251, first passage outlet 241 and second channel entrance 251 are blocked, at this time 21 He of medium inlet
It is blocking state between media outlet 22.Since the central angle of flow-guiding channel 231 is less than 360 °, one week mistake is rotated in valve plate
Cheng Zhong certainly will arrive the switching of connected state by being communicated to blocking state or blocking between medium inlet 21 and media outlet 22,
To make continuous cooling medium stream be converted to pulse cooling medium flow field, this makes without frequent switching state of a control, as long as root
It is different according to the amount of cooling water of needs, the velocity of rotation of valve plate is controlled, the control of amount of cooling water can be realized.
The amount for the cooling medium that the quantity of medium inlet 21 and media outlet 22 can according to need determines.
As shown in figure 3, in the present embodiment, medium inlet 21 is 3, and along the turning circumference direction of valve plate it is uniform between
Every setting, i.e., two neighboring medium inlet 21 differs 120 °.The corresponding first passage outlet 241 in each medium inlet 21,
Along the rotation direction of valve plate, each first passage outlet 241 is sequentially reduced at a distance from the center of the first disk body 24, and each first
The diameter of channel outlet 241 is sequentially increased.
Media outlet 22 and medium inlet 21 correspond, i.e., the quantity of media outlet 22 is also 3, and along valve plate
The setting of turning circumference direction uniform intervals.Each media outlet 22 corresponds to a second channel entrance 251, along turning for valve plate
Dynamic direction, each second channel entrance 251 is sequentially reduced at a distance from the center of the second disk body 25, and each second channel entrance 251
Diameter be sequentially increased.
The media outlet 22 of equal cross-sections product is corresponding with the medium inlet 21 of equal cross-sections product.Certainly, in other realities
It applies in example, corresponding media outlet 22 and the cross-sectional area of medium inlet 21 are not necessarily equal.
As shown in figure 4, being provided with 3 flow-guiding channels 231 on valve plate, each flow-guiding channel 231 is arc-shaped, and circle
Heart angle is 120 °, and 3 flow-guiding channels 231 are along the circumferential direction set gradually, along the rotation direction of valve plate, flow-guiding channel 231
Distance to the center of circle of valve plate is sequentially reduced, and the width of flow-guiding channel 231 is sequentially increased.
Each flow-guiding channel 231 goes out corresponding medium inlet 21 with medium for corresponding to a medium inlet 21, realization
The control of connection or blocking between mouth 22.
For convenience of explanation, as shown in figure 3,3 first corresponding with 3 medium inlets 21 on the first disk body 24 are led to
Road outlet 241 is respectively designated as the small outlet of feed liquor, feed liquor middle outlet and feed liquor large outlet according to the size of cross-sectional area.Three one
One is correspondingly located on 3 concentric circles concentric with the first disk body 24, and the small distance for exporting to the center of circle of feed liquor is farthest, and feed liquor is big
The distance for exporting to the center of circle is nearest.
Medium inlet 21 corresponding with feed liquor large outlet is named as the big entrance of feed liquor.Medium corresponding with feed liquor middle outlet enters
Mouth 21 is named as entrance in feed liquor.Medium inlet 21 corresponding with the small outlet of feed liquor is named as the small entrance of feed liquor.
Correspondingly, on the second disk body 25 3 second channel entrances 251 corresponding with 3 media outlets 22 according to cross section
Long-pending size is respectively designated as out the small entrance of liquid, goes out entrance and the big entrance of liquid out in liquid.Three is located at 3 and the correspondingly
On the concentric concentric circles of two disk bodies 25, and the distance in liquid small entrance to the center of circle out is farthest, and the distance of the big entrance of liquid to the center of circle is most out
Closely.
Media outlet 22 corresponding with the big entrance of liquid out is named as out liquid large outlet.Medium corresponding with entrance in liquid out goes out
Mouth 22 is named as out liquid middle outlet.Media outlet 22 corresponding with the small entrance of liquid out is named as out the small outlet of liquid.
Valve plate is equipped in the cavity constituted between second disk body 25 and the first disk body 24.On valve plate, it is located at and the
Three flow-guiding channels 231 opened up respectively at 12 same diameter dimension of one bearing 8 and second bearing by 120 ° of angles of circumference
Small arc groove (arc groove nearest apart from the center of circle, width are maximum), middle arc groove and big arc are respectively designated as according to its length difference
Shape slot (arc groove farthest apart from the center of circle, width are minimum).Small arc groove, middle arc groove and big arc groove are successively respectively with first
Feed liquor large outlet, feed liquor middle outlet and the small outlet of feed liquor or blocking cooperation on disk body 24.Small arc groove, middle arc groove and
Big arc groove successively respectively with going out the big entrance of liquid, go out in liquid entrance and the small entrance of liquid is connected to or blocks and matches out on the second disk body 25
It closes.
As shown in Fig. 2, it blocks the structural schematic diagram of medium inlet 21 and media outlet 22 for valve plate.3 Jie at this time
Matter entrance 21 is not connected to corresponding media outlet 22.
When pulse assignment unit 2 works, the cooling medium of certain pressure and flow is pipelined to pulse assignment unit 2
Entrance and the small entrance of feed liquor (3 medium inlets 21) in the big entrance of feed liquor, feed liquor.Pulse assignment unit 2 goes out liquid large outlet, goes out liquid
The small outlet (3 media outlets 22) of middle outlet and out liquid by pipeline respectively be located at distance be cooled 6 liquid level of liquid level it is low,
The rotary spray part at middle and high position is connected to.
It is rotated by valve plate, when valve plate turns to medium inlet 21 and 22 connected state of media outlet, extremely such as Fig. 5
Shown in Fig. 8, it is big that the small arc groove on valve plate is connected to the liquid out on the feed liquor large outlet and the second disk body 25 on the first disk body 24
Entrance (as shown in Figure 8)；Middle arc groove on valve plate is connected on the feed liquor middle outlet and the second disk body 25 on the first disk body 24
Go out liquid in entrance (as shown in Figure 7)；The small outlet of the feed liquor that big arc groove on valve plate is connected on the first disk body 24 and second
Go out the small entrance of liquid (as shown in Figure 5) on disk body 25.This three is connected to simultaneously.
When valve plate turns to medium inlet 21 and 22 blocking state of media outlet, the feed liquor on the first disk body 24 goes out greatly
The big entrance of liquid that goes out on mouth and the second disk body 25 blocks, and goes out liquid on the feed liquor middle outlet and the second disk body 25 on the first disk body 24
Middle entrance blocks, and the small entrance of liquid that goes out in the small outlet of the feed liquor on the first disk body 24 and the second disk body 25 blocks.
This, which is realized, is converted to pulsed flow of liquid for continuous flow, and valve plate often rotates a circle, the rotation positioned at basic, normal, high position
Turning spray part, synchronous only connection is primary respectively.The pulsed flow of liquid frequency of rotary spray part spray can be turned by regulation output shaft 13
Velocity modulation section reaches the pulsed flow of liquid frequency for adjusting rotary spray part spray, prevents oil temperature too low, so that Lubricating Oil Temperature is maintained at
Purpose in suitable range.
After continuous refrigerant liquid stream is converted to pulsed flow of liquid by pulse assignment unit 2, pulsed flow of liquid is pipelined to respectively
A spray portion 4, spray portion 4 are sprayed with the pulsed flow of liquid of certain pressure, flow and frequency, are uniformly sprayed on cooled liquid level 6,
To make the reduction of lubricating oil surface layer oil temperature.By the stirring action of agitator arm 3, drop the lubricating oil in grease-box 5 uniformly
Temperature.
Preferably, it is revealed to reduce in runner liquid by gap, the first disk body 24 is provided with first passage outlet
Comb structure 30 is additionally provided on 241 side wall, comb structure 30 circumferentially forms the concentric circles of the first disk body 24, and each first is logical
The two sides radially along the first disk body 24 of road outlet 241 are provided with a comb structure 30 correspondingly.Such as Fig. 6 institute
Show, comb structure 30 is formed by 3 alternate annular grooves, and the protrusion between two annular grooves is the tooth of comb structure 30.
Comb structure 30 is also equipped on the side wall for being provided with second channel entrance 251 of second disk body 25, comb structure 30 is circumferentially
The concentric circles of the second disk body 25 is formed, the two sides radially along the second disk body 25 of each second channel entrance 251 correspond
Ground is provided with a comb structure 30.The effect of comb structure 30 on second disk body 25 and the comb structure on the first disk body 24
30 effect is identical, and details are not described herein.
The identical spray portion 4 of height and same medium to guarantee same liquid level uniform force, between cooled liquid level 6
22 connection of outlet, and the cross-sectional area of media outlet 22 that bigger spray portion 4 at a distance from cooled liquid level 6 is connected is more
It is small.
According to another aspect of the present invention, a kind of air-conditioning equipment is provided comprising grease-box 5, heat exchanger and cold oil dress
It sets, cold oil device is above-mentioned cold oil device, and the medium inlet 21 of cold oil device introduces cooling medium from heat exchanger, and passes through spray
Leaching portion 4 sprays cooling medium into grease-box 5.The cold oil device can be suitble to fixed frequency and frequency conversion centrifugal compressor lubricating oil
It is cooling, pulse cooling medium flow field can be provided, and carry out rotary spray cooling medium, reach cold oil effect, pass through paddle
Wheel 3 is rotated up to mixing surface layer and lower layer's lubricating oil, solves the problems, such as that oil temperature is unevenly distributed, fuel temperature measurement is not allowed, to reach control
Liquefaction temperature is maintained at the purpose in suitable range.
It cold oil device according to the present invention and is had the following technical effect that with its air conditioner
Pulse assignment unit, which is able to achieve, converts pulse refrigerant liquid stream for continuous refrigerant liquid stream, and pulse frequency can be stirred by changing
The output shaft revolving speed for mixing motor is adjusted, and refrigerant spray time and spray period can be adjusted according to target oil temperature, cold reaching
Under the premise of oily effect, prevent oil temperature cooling too low；
It is separated by three arc grooves of 120 ° of arrangements on valve plate along not equal diameter, circulation area is different, and what is flowed through is cold
Matchmaker's flow and pressure are different, it is ensured that the rotary spray part of each liquid level reaches preferable cold oil effect；
Rotary spray part is using the centrifugal action of liquid stream and the impetus of reaction force, it can be achieved that rotary spray part side is sprayed
The rotation of liquid side, increases the purpose of the active area of rotary spray part；
Lubricating oil under agitator arm turning effort, it can be achieved that the lubricating oil on surface layer is sufficiently mixed with lower layer lubricating oil,
It prevents oil temperature to be unevenly distributed, solves the problems, such as that fuel temperature measurement is inaccurate.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of cold oil device, which is characterized in that including pulse assignment unit (2) and spray portion (4), the pulse assignment unit (2)
Medium inlet (21), the media outlet (22) to the spray portion (4) conveying cooling medium and control including introducing cooling medium
The medium inlet (21) and the corresponding distributing construction (23) media outlet (22) connection or blocked are made, the medium goes out
Mouth (22) is connect with the spray portion (4).
2. cold oil device according to claim 1, which is characterized in that the distributing construction (23) is valve plate, described to match
The relatively described medium inlet (21) of flow table can be rotated, and the connection medium inlet (21) is provided on the valve plate and is given an account of
Matter exports the flow-guiding channel (231) of (22), and the central angle of the flow-guiding channel (231) is less than 360 °.
3. cold oil device according to claim 2, which is characterized in that the pulse assignment unit (2) further includes fixed setting
The first disk body (24) and the second disk body (25), the medium inlet (21) is arranged on first disk body (24), given an account of
Matter exports (22) and is arranged on second disk body (25),
Flow distributing chamber is formed between first disk body (24) and second disk body (25), the valve plate is rotatably arranged in
In the flow distributing chamber.
4. cold oil device according to claim 3, which is characterized in that first disk body (24) and second disk body
It (25) is disk,
The medium inlet (21) is arranged on the peripheral wall of first disk body (24), and first disk body (24) is towards described the
First passage outlet (241) is provided on the side wall of two disk bodies (25), the medium inlet (21) and the first passage export
(241) it is connected to by first passage (242)；
The media outlet (22) is arranged on the peripheral wall of second disk body (25), and second disk body (25) is towards described the
It is provided on the side wall of one disk body (24) second channel entrance (251), the second channel entrance (251) and the media outlet
(22) it is connected to by second channel (252), when the medium inlet (21) is connected to the media outlet (22), the water conservancy diversion is logical
Road (231) is connected to the first passage outlet (241) and the second channel entrance (251).
5. cold oil device according to claim 4, which is characterized in that the medium inlet (21) is 3, and is matched along described
The turning circumference direction uniform intervals of flow table are arranged, the corresponding one first passage outlet of each medium inlet (21)
(241), along the rotation direction of the valve plate, the center of each first passage outlet (241) and first disk body (24)
Distance be sequentially reduced, and each first passage outlet (241) diameter be sequentially increased；
The media outlet (22) and the medium inlet (21) correspond, and equal along the turning circumference direction of the valve plate
Even interval setting, each media outlet (22) corresponds to a second channel entrance (251), along the valve plate
Rotation direction, each second channel entrance (251) is sequentially reduced at a distance from the center of second disk body (25), and each institute
The diameter for stating second channel entrance (251) is sequentially increased；
3 flow-guiding channels (231) are provided on the valve plate, each flow-guiding channel (231) is arc-shaped, and
Central angle is 120 °, and 3 flow-guiding channels (231) along the circumferential direction set gradually, described along the rotation direction of the valve plate
The distance in flow-guiding channel (231) to the center of circle of the valve plate is sequentially reduced, and the width of the flow-guiding channel (231) successively increases
Greatly.
6. cold oil device according to claim 4 or 5, which is characterized in that being provided with for first disk body (24) is described
It is additionally provided with comb structure (30) on the side wall of first passage outlet (241), described in the comb structure (30) is circumferentially formed
The concentric circles of first disk body (24), two radially along first disk body (24) of each first passage outlet (241)
Side is provided with the comb structure (30) correspondingly；
Another comb structure is additionally provided on the side wall for being provided with the second channel entrance (251) of second disk body (25)
(30), another comb structure (30) circumferentially forms the concentric circles of second disk body (25), and each second channel enters
The two sides radially along second disk body (25) of mouth (251) are provided with another comb structure correspondingly
(30)。
7. cold oil device according to any one of claim 1 to 5, which is characterized in that the spray portion (4) be it is multiple,
And it is successively spaced setting along the direction perpendicular to cooled liquid level, along the direction far from the cooled liquid level, the spray portion
(4) spray head aperture is sequentially reduced.
8. cold oil device according to claim 7, which is characterized in that the spray portion (4) includes rotary spray part.
9. cold oil device according to claim 7, which is characterized in that the height between the cooled liquid level is identical
Spray portion (4) is connect with the same media outlet (22), the bigger company of spray portion (4) institute at a distance from the cooled liquid level
The cross-sectional area of the media outlet (22) connect is bigger.
10. cold oil device according to any one of claim 1 to 5, which is characterized in that the cold oil device further includes stirring
Portion is mixed, the mixing part setting is needing in cutting oil.
11. cold oil device according to claim 10, which is characterized in that the mixing part includes agitator arm (3) and drives
The stirring motor (1) of the agitator arm (3) is moved, agitator arm (3) setting needs in cutting oil described.
12. cold oil device according to claim 11, which is characterized in that pulse assignment unit (2) setting is stirred described
On the output shaft for mixing motor (1), and the distributing construction (23) can be rotated with the output shaft of the stirring motor (1).
13. a kind of air-conditioning equipment, which is characterized in that including grease-box (5), heat exchanger and cold oil device, the cold oil device
For cold oil device described in any one of claims 1 to 12, the medium inlet (21) of the cold oil device is from the heat exchanger
Cooling medium is introduced, and is sprayed the cooling medium into the grease-box (5) by spray portion (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810542.4A CN106438290B (en) | 2016-09-07 | 2016-09-07 | Cold oil device and air-conditioning equipment with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810542.4A CN106438290B (en) | 2016-09-07 | 2016-09-07 | Cold oil device and air-conditioning equipment with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438290A CN106438290A (en) | 2017-02-22 |
| CN106438290B true CN106438290B (en) | 2019-02-22 |
Family
ID=58165373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610810542.4A Active CN106438290B (en) | 2016-09-07 | 2016-09-07 | Cold oil device and air-conditioning equipment with it |
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| Country | Link |
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| CN (1) | CN106438290B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279683A (en) * | 1964-09-21 | 1966-10-18 | American Motors Corp | Motor-compressor unit |
| US5039285A (en) * | 1990-01-18 | 1991-08-13 | Tecumseh Products Company | Lubrication system of connecting rod, piston, and wrist pin for a compressor |
| CN202359325U (en) * | 2011-11-21 | 2012-08-01 | 汕头市中绣机械有限公司 | Cooling device for oil tank of warp knitting machine |
| CN203560708U (en) * | 2013-09-25 | 2014-04-23 | 上海雷林工程技术有限公司 | Secondary circulating cooling water system for cold oil |
| CN204003364U (en) * | 2014-07-23 | 2014-12-10 | 大唐淮南洛河发电厂 | A kind of cooling device of air compressor |
| CN105757857B (en) * | 2016-04-15 | 2018-11-02 | 重庆房地产职业学院 | A kind of household evaporative air conditioning system with impulse electromagnetic valve |
| CN206129544U (en) * | 2016-09-07 | 2017-04-26 | 珠海格力电器股份有限公司 | Cold oil device and have its air conditioning equipment |
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2016
- 2016-09-07 CN CN201610810542.4A patent/CN106438290B/en active Active
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| CN106438290A (en) | 2017-02-22 |
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