CN206036630U - Oil filter - Google Patents

Oil filter Download PDF

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Publication number
CN206036630U
CN206036630U CN201620947463.3U CN201620947463U CN206036630U CN 206036630 U CN206036630 U CN 206036630U CN 201620947463 U CN201620947463 U CN 201620947463U CN 206036630 U CN206036630 U CN 206036630U
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CN
China
Prior art keywords
oil
refrigerant
screen pack
fuel tank
case
Prior art date
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Active
Application number
CN201620947463.3U
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Chinese (zh)
Inventor
张永斌
周堂
张治平
李宏波
周宇
刘魏
尹威华
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201620947463.3U priority Critical patent/CN206036630U/en
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Abstract

The utility model discloses an oil filter. This oil filter includes oil tank (1), the one side of oil tank (1) is provided with oil inlet (2), the opposite side relative with this side is provided with oil -out (3), flow direction along oil in oil tank (1) is provided with filter screen (4), two curb plates of the flow direction of the perpendicular to oil of oil tank (1) are provided with first refrigerant case (5) and second refrigerant case (6) outward respectively, be provided with heat exchange tube (7) of intercommunication first refrigerant case (5) and second refrigerant case (6) in oil tank (1). According to the utility model discloses an oil filter can effectively solve among the prior art oil filter and oil cooler and divide to open to set up and result in the structure complicated, the higher problem of cost.

Description

Oil strainer
Technical field
The utility model is related to lubrication oil filtration technical field, in particular to a kind of oil strainer.
Background technology
When centrifugal compressor motor works, rotating shaft runs up, bearing heating is serious, runs up also so that bearing rubs Wipe and increase, be protection motor bearings, motor bearings need to be lubricated using lubricating oil and be cooled down, now require that lubricating oil reaches Corresponding clean level and the temperature being adapted to, to reduce impurity to the abrasion of bearing and guarantee to form the oil of lubricating oil within the bearing Film has good cooling and lubricant effect.
The cleanliness factor of motor bearing lubrication oil is usually used mode that oil strainer filtered to ensure, due to motor shaft Holding heating can make lubricating oil heat up, it is ensured that the suitable temperature of lubricating oil is mainly appropriate cutting oil.Before unit starting, in order to Make lubricating oil that there is certain fluidity, the oil in fuel tank can be previously heated to 48-52 DEG C, then be stopped to fuel tank after unit operation The heating of middle oil, heating of the intensification of oil essentially from motor bearings in unit running process, and enter motor bearings cooling Lubricating oil ideal temperature is 43 DEG C, in order that lubricating oil is maintained near ideal temperature, needs are cooled down to oil, existing cold But mode mainly uses special oil cooler or logical cooling gas to cool down to fuel tank, no matter any type of cooling, all with mistake Filter device is individually separate, it is more than synthesis, the existing mode master that centrifugal compressor motor bearing lubrication oil is filtered and cooled down There are two kinds:Oil strainer+oil cooler;Oil strainer+cooling gas lead to fuel tank cold oil.
The analysis found that, existing mode has the disadvantages that:
1st, complex structure, high cost, it is desirable to have the device of special pipeline connection oil strainer and cold oil;
2nd, easily there is cooling material to be mixed into lubricating oil, affect the risk of lubricating oil purity.Directly lead to cooling gas to fuel tank The mode of cold oil, can be such that gas incorporates in oil, affect the purity of oil, and then affect cooling and the lubricant effect of lubricating oil;
3rd, filter effect is not ideal enough, and filtering accuracy control is dumb, and the screen pack model in oil strainer is identical, it is impossible to Different size of impurity is filtered layer by layer, it is also difficult to flexibly control filtering accuracy according to different filtering accuracy demands;
4th, screen pack cannot be changed online, existing oil strainer, when screen pack is changed, oil circuit before and after needing to close, Removing oil strainer carries out filter element replacing, troublesome poeration.
Utility model content
A kind of oil strainer is provided in the utility model embodiment, can be with oil strainer and oil in effectively solving prior art Cooler is provided separately causes complex structure, relatively costly problem.
For achieving the above object, the utility model embodiment provides a kind of oil strainer, and including fuel tank, the side of fuel tank sets Oil-in is equipped with, the opposite side relative with the side is provided with the flow direction in oil-out, fuel tank along oil and is provided with screen pack, oil It is respectively arranged with the first refrigerant case and the second refrigerant case, fuel tank outside two side plates of the flow direction perpendicular to oil of case and arranges There is the heat exchanger tube of the first refrigerant case of connection and the second refrigerant case.
Preferably, being correspondingly arranged on multiple connecting holes on two side plates respectively, the two ends of multiple heat exchanger tubes connect respectively On two connecting holes corresponding with the heat exchanger tube.
Preferably, each heat exchanger tube is sealedly connected on connecting hole by tube expansion.
Preferably, being provided with detent on the base plate and/or top cover of fuel tank, screen pack is embedded in detent.
Preferably, the inner side correspondence detent of two side plates is provided with side grooves, the side of screen pack is embedded In side grooves.
Preferably, screen pack is arc screen pack, the both sides of arc screen pack have straight flange positioning section, straight flange positioning section It is embedded in side grooves.
Preferably, multiple screen packs are along the flow direction of oil successively interval setting, along the flow direction of oil, screen pack Precision is incremented by.
Preferably, top cover is removably disposed in the top of fuel tank.
Preferably, the part that top cover is coordinated with fuel tank has circumferential projection, there is on the side plate of fuel tank circumferential recess, week It is embedded in circumferential recess to raised seals.
Preferably, having difference in height between oil-in and oil-out.
Preferably, being provided with refrigerant import on the first refrigerant case, on the second refrigerant case, refrigerant exit is provided with, refrigerant enters Section of the section of mouth less than refrigerant exit.
Using the technical solution of the utility model, oil strainer includes fuel tank, and the side of fuel tank is provided with oil-in, with this The relative opposite side in side is provided with oil-out, and the flow direction of oil is provided with screen pack in fuel tank, fuel tank perpendicular to oil The first refrigerant case and the second refrigerant case is respectively arranged with outside two side plates of flow direction, is provided with the first refrigerant of connection in fuel tank The heat exchanger tube of case and the second refrigerant case.The oil strainer is filtered to lubricating oil by the screen pack in fuel tank, by heat exchange Pipe makes refrigerant isolate setting with the lubricating oil in fuel tank and be exchanged heat with lubricating oil, lubricating oil is cooled down, by lubricating oil Cooling and filtering function be combined realization, simplify oil filter and oil cooled structure so that the filtration of lubricating oil and Cooling settings are structure as a whole, and solve the problems, such as that traditional cold oil mode cooling material is easily mixed in lubricating oil, it is ensured that profit The cooling of lubricating oil and filter effect so that oil strainer it is with better function, structure can be compacter.
Description of the drawings
Fig. 1 is the plan structure sectional view of the oil strainer of the utility model embodiment;
Fig. 2 is the front view structure sectional view of the oil strainer of the utility model embodiment;
Fig. 3 is that the right side of the oil strainer of the utility model embodiment regards structure sectional view;
Fig. 4 is the front view of the fuel tank of the oil strainer of the utility model embodiment;
Fig. 5 is that the oil strainer of the utility model embodiment removes the overlooking structure figure after top cover;
Fig. 6 is the structural representation of the top cover of the oil strainer of the utility model embodiment.
Description of reference numerals:1st, fuel tank;2nd, oil-in;3rd, oil-out;4th, screen pack;5th, the first refrigerant case;6th, second is cold Matchmaker's case;7th, heat exchanger tube;8th, connecting hole;9th, base plate;10th, top cover;11st, detent;12nd, side grooves;13rd, straight flange positioning section; 14th, circumferential projection;15th, circumferential recess;16th, refrigerant import;17th, refrigerant exit.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality New restriction.
With reference to referring to shown in Fig. 1 to Fig. 6, according to embodiment of the present utility model, oil strainer includes fuel tank 1, fuel tank 1 Side is provided with oil-in 2, and the opposite side relative with the side is provided with oil-out 3, and the flow direction in fuel tank 1 along oil is provided with Screen pack 4, is respectively arranged with the first refrigerant case 5 and the second refrigerant outside two side plates of the flow direction perpendicular to oil of fuel tank 1 Case 6, is provided with the heat exchanger tube 7 of the first refrigerant case 5 of connection and the second refrigerant case 6 in fuel tank 1.
The oil strainer is filtered to lubricating oil by the screen pack 4 in fuel tank 1, makes refrigerant with oil by heat exchanger tube 7 Lubricating oil isolation in case 1 is arranged and is exchanged heat with lubricating oil, lubricating oil is cooled down, by the cooling and filtration of lubricating oil Function is combined realization, simplifies oil and filters and oil cooled structure so that the filtration and cooling of lubricating oil can be arranged Be structure as a whole, solve the problems, such as that traditional cold oil mode cooling material is easily mixed in lubricating oil, it is ensured that lubricating oil it is cold But and filter effect so that oil strainer it is with better function, also allow the structure for filtering and cooling down compacter, account for It is less with space.
While oil is filtered with oily cooling integrated, the operation of two systems is relatively independent, is synchronously carried out, and this causes Filtration system is effectively filtered to oil, while oil cooling system is efficiently cooled down to oil, this process oil with refrigerant not Can contact, there is no mixing situation, solve the problems, such as that refrigerant is mixed into lubricating oil, it is ensured that the purity of lubricating oil and lubrication Effect.
Preferably, there is difference in height between oil-in 2 and oil-out 3, in the present embodiment, the height ratio of oil-out 3 enters The height of hydraulic fluid port 2 is higher by H, can make lubricating oil during oil-out 3 is flow to from oil-in 2, in the height direction can It is enough fully to flow such that it is able to while screen pack 4 is fully filtered, to increase the contact area of lubricating oil and heat exchanger tube 7, carry The heat transfer effect of high lubricating oil and refrigerant.
It is correspondingly arranged on multiple connecting holes 8 on two side plates respectively, the two ends of multiple heat exchanger tubes 7 are connected to be changed with this On two corresponding connecting holes 8 of heat pipe 7.In the present embodiment, the mid portion on side plate is provided with the 5X3 circular holes of insertion Array, used as the connecting hole of heat exchanger tube 7 so that heat exchanger tube 7 can be conveniently placed on fuel tank 1, and with two refrigerant case phases Connection so that refrigerant can successfully flow through heat exchanger tube 7 and be exchanged heat.During refrigerant is exchanged heat with lubricating oil, by Refrigerant is kept apart with lubricating oil in heat exchanger tube 7, therefore refrigerant can be avoided to mix with lubricating oil, affect the purity of lubricating oil. Certainly, the arrangement mode of connecting hole 8 can be arranged according to actual needs, so that heat exchanger tube 7 can be between lubricating oil Preferable heat exchange efficiency is reached, good cooling effect is played to lubricating oil.
Peripheral circumferentially arranged in connecting hole 8 has multiple bolts hole, for the first refrigerant case 5 and the second refrigerant case 6 It is fixed installation.For the ease of installing and realizing standardized production, improve production efficiency, the structure on two sides of fuel tank 1 are identical, the The structure of one refrigerant case 5 and the second refrigerant case 6 is also identical.In order to improve the sealing effectiveness between refrigerant case and fuel tank 1, in refrigerant At case and the link position of fuel tank 1, sealing gasket, such as rubber blanket etc. can be set.
Preferably, each heat exchanger tube 7 is sealedly connected on connecting hole 8 by tube expansion.Heat exchanger tube 7 is the core of oil cooling system Part, material are copper, and with good heat exchange property, two ends are fitted tightly on the connecting hole 8 of fuel tank 1 by tube expansion technique, Pipe end has good sealing with the side connecting hole of fuel tank 1, thereby may be ensured that refrigerant is kept apart with lubricating oil, it is to avoid cold Matchmaker is with oil mixing.It is exactly the process for carrying out heat exchange with 1 internal lubrication oil of fuel tank that refrigerant flows through the process of heat exchanger tube 7, refrigerant band The heat of lubricating oil is walked, is further vaporized, the latent heat of vaporization can be cooled down further lubricating oil, realize good cooling effect Really.
Refrigerant import 16 is provided with first refrigerant case 5, is provided with refrigerant exit 17, refrigerant import on the second refrigerant case 6 Section of 16 section less than refrigerant exit 17.
Side of the first refrigerant case 5 by fastening bolt with fuel tank 1 forms the refrigerant front cavity for sealing, the second refrigerant case 6 The refrigerant rear chamber for sealing is formed by side of the fastening bolt with fuel tank 1, refrigerant enters into first cold by refrigerant import 16 In the cavity of matchmaker's case 5, then each heat exchanger tube 7 is entered into from the cavity of the first refrigerant case 5, flow into the cavity of the second refrigerant case 6.Two The surrounding of individual refrigerant case is provided with the installing plate for extending laterally, and arranges promising bolt fastening hole on installing plate, makes refrigerant case with oil Case 1 is realized being tightly connected by fastening bolt component.In actual design process, the aperture D1 of refrigerant import 16 is less than refrigerant The aperture D2 of outlet 17, because refrigerant is with further vaporizing after oil heat exchange, volume increases big, therefore needed at the refrigerant exit 17 Aperture D2 can be relatively large, and just the refrigerant after vaporization can thus quickly discharged, it is to avoid gathers and shadow in heat exchanger tube 7 Ring heat exchange efficiency, it is possible to prevent the internal pressure of heat exchanger tube 7 excessive, improve security when oil strainer is used.
Detent 11 is provided with the base plate 9 and/or top cover 10 of fuel tank 1, screen pack 4 is embedded in detent 11. Effective positioning action is played in installation that can be to screen pack 4 in fuel tank 1 by detent 11, is improved screen pack 4 and is installed The stability and reliability of structure, improves the performance of oil strainer.
Preferably, the inner side correspondence detent 11 of two side plates is provided with side grooves 12, and the side of screen pack 4 is embedded In side grooves 12.Screen pack 4 is embedded in detent 11 from top and bottom in the height direction carries out installation positioning, Installation positioning is carried out by side grooves 12 in a lateral direction, it is more stable so as to ensure installation of the screen pack in fuel tank 1 It is reliable.
Preferably, screen pack 4 is arc screen pack, and the both sides of arc screen pack have straight flange positioning section 13, straight flange positioning Section 13 is embedded in side grooves 12.In the present embodiment, arc screen pack is S-shaped, contributes to increasing filtration contact area, increases Strong filter effect.The straight flange positioning section 13 at arc screen pack two ends facilitates arc screen pack to be embedded into the side grooves 12 of fuel tank 1 Installation positioning is carried out inside.There are substantial amounts of filter bores on the main surface of screen pack, the effective filtration to lubricating oil can be played and made With.
In the present embodiment, multiple screen packs 4 are along the flow direction of oil successively interval setting, the flow direction of edge oil, mistake The precision of filter screen 4 is incremented by.Multiple screen packs 4 are arranged along the flow direction of oil, each layer of screen pack 4 can be using different Filtering accuracy, the flexible control of different filtering accuracies is realized with this, the precision of reasonable Arrangement different levels screen pack 4 can be real Existing preferable filter effect, while increase the service life of screen pack 4.
As shown in Fig. 2 the filtering accuracy of two screen pack A in multiple screen packs 4 is smart less than the filtration of two screen pack B Degree, the filtering accuracy of two screen pack B are less than the filtering accuracy of two screen pack C.So, just it is capable of achieving the successively mistake to impurity Filter, ground floor screen pack A first big to partial particulate impurity are filtered, Jing after A is filtered, into screen pack B, particle is medium The contaminant filter of size, finally enters screen pack C, filters out less impurity, so successively filters and can filter than single model The effect of net filtration is more preferable, meanwhile, after previous screen pack removes larger particles impurity, downstream precision screen pack can be reduced and be blocked The possibility of plug, increases the service life of screen pack.
Preferably, top cover 10 is removably disposed in the top of fuel tank 1.Screen pack 4 is along two side plate interior sides of fuel tank 1 Side grooves 12 are mounted slidably, and when needing to carry out maintaining to screen pack 4, it is only necessary to open top cover 10, then will Need the screen pack 4 changed to take out, and be put into new screen pack 4 to enter corresponding installation in groove, it is possible to non-stop-machine In the case of complete the online replacing of screen pack, do not interfere with the use of oil strainer, improve the ease for use of oil strainer.
When screen pack 4 uses certain time limit, when needing to change, top cover 10 need to be removed only, new screen pack 4 is successively replaced i.e. Can, it is not necessary to which overall structure is pulled down, this causes the maintaining of equipment to become simpler, easy to operate.
The part coordinated with fuel tank 1 in top cover 10 has circumferential projection 14, has circumferential recess 15 on the side plate of fuel tank 1, The sealing of circumferential projection 14 is embedded in circumferential recess 15.Circumferential projection 14 can be along the circumferentially spaced multiple of top cover 10 It is raised, or along the projection of a circumferentially extending entirety of top cover 10, specifically can be configured as needed, it is circumferential The structure that groove 15 is set to be engaged with circumferential projection 14 according to the practical structures of circumferential projection 14.Top cover 10 is in circumferential projection 14 and the position that coordinates of circumferential recess 15 at by achieving a fixed connection between connecting bolt and fuel tank 1.
The oil strainer of the present embodiment is to the filter process of lubricating oil as shown in Fig. 2 lubricating oil is entered from left side oil-in 2 In the cavity of the fuel tank 1 of lubricating oil, screen pack 4 and heat exchanger tube 7 is successively flowed through, it is final to realize filtering and cooling effect, passed through Filter and cooling reach oil-out 3 on the right side of the lubricating oil Jing of use requirement and flow out, and clean level and temperature are met lubrication will The lubricating oil asked is sent into motor bearings and carries out cooling and lubricating, and then protects compressor electric motor bearing, and wherein left side oil-in 2 can compare H is differed on 3 height of oil-out of right side, so that oil is fully filtered and is flowed out after cooling down again, into destination end;Screen pack 4 can According to actual filtration required precision, by different layers using the screen pack of different filtering accuracies realizing.
The oil strainer of the present embodiment is to the cooling procedure of lubricating oil as shown in figure 3, oil cooling system adopts cooling effect Good refrigerant is cooled down, and the features such as refrigerant has low boiling point, easy carburation by evaporation, with good cooling effect, extensively should In refrigeration plant, refrigerant from the cavity that refrigerant import 16 enters into the first refrigerant case 5, under pressure-driven, into horizontal stroke Wear in each bar heat exchanger tube 7 of fuel tank, when flowing through heat exchanger tube 7, refrigerant is carried out efficiently by the tube wall of heat exchanger tube 7 with the oil of high temperature Heat exchange, heat transfer effect is that oil is cooled down, and refrigerant heats up and further vaporizes, and vaporization is an endothermic process, and this process again may be used Further to absorb the heat of oil, further exchanged heat, reached good cooling effect.After refrigerant is with oil heat exchange, further Vaporization is entered in the cavity of the second refrigerant case 6, is then flowed out by refrigerant exit 17, due to the refrigerant volume after vaporization Increase, the aperture D2 of refrigerant exit 17 can be bigger than the aperture D1 of refrigerant import 16.Oil cooling system herein, is substantially with oil What filtration system was independently carried out, by tube expansion technique, heat exchanger tube 7 can be fitted tightly on the connecting hole 8 of 1 side of fuel tank, independent The refrigerant of operation, will not be mixed in lubricating oil, can thus avoid what traditional approach was directly brought with refrigerant cooling oil Problem of the oil with refrigerant mixing.
By said structure, on allomeric function, the filtration and cooling of lubricating oil needed for compressor electric motor bearing are realized Function, this function are realized in same structure, are not required to as traditional approach is used alone oily filtration and oil cooling is but tied Structure, unified structure are simplified structure, become simpler, also reduce cost.This Novel oil filter structure is while reality Show filtration and the refrigerating function of lubricating oil, it is to avoid the mixing of lubricating oil and refrigerant, realize the flexible controllable of filtering accuracy And the online replacing of screen pack maintenance, it is final to realize that the upgrading to traditional structure optimizes.
Certainly, it is more than preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill of the art For personnel, on the premise of without departing from the utility model general principle, some improvements and modifications can also be made, these improvement Protection domain of the present utility model is also considered as with retouching.

Claims (11)

1. a kind of oil strainer, it is characterised in that including fuel tank (1), the side of fuel tank (1) is provided with oil-in (2), with The relative opposite side in the side is provided with the flow direction in oil-out (3), fuel tank (1) along oil and is provided with screen pack (4), institute The first refrigerant case (5) and the second refrigerant case are respectively arranged with outside two side plates of the flow direction perpendicular to oil for stating fuel tank (1) (6) heat exchanger tube (7) for connecting the first refrigerant case (5) and the second refrigerant case (6), is provided with fuel tank (1).
2. oil strainer according to claim 1, it is characterised in that be correspondingly arranged on described two side plates respectively multiple Connecting hole (8), the two ends of multiple heat exchanger tube (7) are connected to two connections corresponding with the heat exchanger tube (7) On hole (8).
3. oil strainer according to claim 2, it is characterised in that each heat exchanger tube (7) are tightly connected by tube expansion On the connecting hole (8).
4. oil strainer according to claim 1, it is characterised in that the base plate (9) of fuel tank (1) and/or top cover (10) detent (11) is provided with, and screen pack (4) are embedded in the detent (11).
5. oil strainer according to claim 4, it is characterised in that the inner side correspondence positioning of described two side plates is recessed Groove (11) is provided with side grooves (12), and the side of screen pack (4) is embedded in the side grooves (12).
6. oil strainer according to claim 5, it is characterised in that described screen pack (4) are arc screen pack, the arc The both sides of shape screen pack have straight flange positioning section (13), and straight flange positioning section (13) are embedded in the side grooves (12).
7. oil strainer according to claim 4, it is characterised in that multiple described screen pack (4) are along the flow direction of oil Interval setting successively, along the flow direction of oil, the precision of screen pack (4) is incremented by.
8. oil strainer according to claim 7, it is characterised in that top cover (10) are removably disposed in the oil The top of case (1).
9. oil strainer according to claim 8, it is characterised in that top cover (10) are coordinated with the fuel tank (1) Part has circumferential projection (14), has circumferential recess (15), described circumferential projection (14) sealing on the side plate of fuel tank (1) It is embedded in the circumferential recess (15).
10. oil strainer according to claim 1, it is characterised in that oil-in (2) and the oil-out (3) it Between have difference in height.
11. oil strainers according to claim 1, it is characterised in that be provided with refrigerant on the first refrigerant case (5) and enter Mouth (16), is provided with refrigerant exit (17) on the second refrigerant case (6), the section of refrigerant import (16) is less than described cold The section of matchmaker's outlet (17).
CN201620947463.3U 2016-08-25 2016-08-25 Oil filter Active CN206036630U (en)

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Application Number Priority Date Filing Date Title
CN201620947463.3U CN206036630U (en) 2016-08-25 2016-08-25 Oil filter

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Application Number Priority Date Filing Date Title
CN201620947463.3U CN206036630U (en) 2016-08-25 2016-08-25 Oil filter

Publications (1)

Publication Number Publication Date
CN206036630U true CN206036630U (en) 2017-03-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106224750A (en) * 2016-08-25 2016-12-14 珠海格力电器股份有限公司 Oil strainer
CN110486607A (en) * 2019-08-19 2019-11-22 张良 A kind of lubricating arrangement of the shunt pulp thickener of improvement type

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106224750A (en) * 2016-08-25 2016-12-14 珠海格力电器股份有限公司 Oil strainer
CN110486607A (en) * 2019-08-19 2019-11-22 张良 A kind of lubricating arrangement of the shunt pulp thickener of improvement type

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