CN104454077A - Engine oil cooler, engine cooling system and control method of engine cooling system - Google Patents
Engine oil cooler, engine cooling system and control method of engine cooling system Download PDFInfo
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- CN104454077A CN104454077A CN201410825067.9A CN201410825067A CN104454077A CN 104454077 A CN104454077 A CN 104454077A CN 201410825067 A CN201410825067 A CN 201410825067A CN 104454077 A CN104454077 A CN 104454077A
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- introduction passage
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- slide block
- housing
- oil cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/08—Arrangements of lubricant coolers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention provides an engine oil cooler. The engine oil cooler comprises a main body, a guide-in channel used for guiding coolant of an engine into the main body, a guide-out channel used for guiding the coolant in the main body out, and a control mechanism matched with the main body, wherein the guide-in channel is composed of a cylinder cover guide-in channel body and a cylinder body guide-in channel body, and the control mechanism is triggered by the change of the temperature of the coolant in the guide-out channel to control alternate opening of the cylinder cover guide-in channel body and the cylinder body guide-in channel body. Due to the fact that the guide-in channel is divided into the cylinder cover guide-in channel body and the cylinder body guide-in channel body which are independent of each other and the control mechanism controls alternate opening of the cylinder cover guide-in channel body and the cylinder body guide-in channel body according to the temperature change of the guide-out channel, coolant used for achieving a required temperature can be obtained as much as possible during cooling of the engine oil cooler, and using performance and using effect are improved. The invention further relates to an engine cooling system provided with the engine oil cooler and a control method of engine cooling system.
Description
Technical field
The present invention relates to vehicle motor cooling technology field, particularly a kind of machine oil cooler; Meanwhile, the invention still further relates to and a kind of there is the engine-cooling system of this machine oil cooler and the controlling method of this engine-cooling system.
Background technique
Car engine cooling system is as one of motor Major Systems, and be one of major measure reducing motor discharge, it is directly connected to safety and the life-span of motor car engine.Traditional engine-cooling system generally includes the pumping installations delivered to by coolant pump in the cylinder block and head of motor, thermostat, radiator, machine oil cooler and warm braw etc., in its cooling procedure, the cylinder block of its first cooled engine, then cooling air cylinder cap, the freezing mixture of then being drawn by cylinder head and miscellaneous part carry out heat exchange.The formation of this system, easily cause block temperature on the low side, cylinder head temperature is higher, crack on cylinder head can be caused under extreme case, therefore, this is traditional, in order to meet full engine load time radiating requirements cooling system, because the heat produced during full engine load is maximum, therefore, too much energy loss can be produced during sub load.
In order to the adjustment engine-cooling system that can become more meticulous, coupling operating mode needs, recent part motor progressively introduces shunting cooling technology, namely by arranging that on cylinder body the mechanism such as thermostat valve, on-off valve realizes cylinder block, cylinder head cool cycles water route separately, but traditional shunting cooling technology is confined to warming-up operating mode, when motor carries out short circle or major cycle, shunting effect is not obvious, and effect declines.
In addition, based on as above cooling system structure, machine oil cooler introduces freezing mixture from motor, freezing mixture is back to motor water inlet in machine oil cooler with after machine oil generation heat exchange, but due to the deficiency that existing oil cooler structure designs, when motor is in different operating mode, machine oil cooler can not realize the oil temperature regulating action of not planting under operating mode in conjunction with whole cooling system, therefore, which further reduces the performance of engine-cooling system.
Summary of the invention
In view of this, the present invention is intended to propose a kind of machine oil cooler, to improve usability and the effect of machine oil cooler.
For achieving the above object, technological scheme of the present invention is achieved in that
A kind of machine oil cooler, comprises main body, the freezing mixture of motor is introduced the introduction passage of main body, and by the extraction channel of the freezing mixture extraction in main body;
Described introduction passage comprises cylinder cap introduction passage and cylinder body introduction passage, and the cylinder head of motor and the freezing mixture of cylinder block are separately introduced in main body via described cylinder cap introduction passage and cylinder body introduction passage;
Control mechanism, is equipped with main body, and described control mechanism triggers because of the change of coolant temperature in extraction channel, with the alternate conduction of application cylider cover introduction passage and cylinder body introduction passage.
Further, described control mechanism comprises:
Housing, is fixedly installed relative to main body;
First slide block, to be slidably arranged in housing and correspondingly with cylinder cap introduction passage to arrange, and the first described slide block is because its slip in housing is to make the conducting of cylinder cap introduction passage or closedown;
Second slide block, correspondingly with cylinder body introduction passage is arranged, and is arranged in housing with the first slide block synchronous slide, and the second described slide block is because its slip in housing is to make the conducting of cylinder body introduction passage or closedown;
Actuator, triggers generation driving force because of the change of coolant temperature in extraction channel;
Bindiny mechanism, is connected on actuator, the driving force that its carrying actuator produces and order about the first slide block and the second slide block and slide, to make cylinder cap introduction passage and cylinder body introduction passage alternate conduction in housing inter-sync.
Further, described housing comprises:
First housing, inner hollow arranges and covers and is arranged in cylinder cap introduction passage and cylinder body introduction passage, and the inside of described first housing and cylinder cap introduction passage are communicated with cylinder body introduction passage and arrange; The first described slide block and the second skid are arranged in the first housing.
Further, in the first housing between the first slide block and the second slide block, the water seal be fixedly installed relative to the inwall of the first housing is provided with.
Further, described housing comprises:
Second housing, is equipped with on extraction channel and inner hollow is arranged, described actuator be arranged in the second housing, coolant temperature in extraction channel responded to and when coolant temperature change the temperature-sensitive expander of generation deformation quantity;
Described bindiny mechanism comprises the push rod be connected with actuator, and described push rod bears the deformation quantity of actuator and orders about the first slide block and the second slide block slides in housing inter-sync; Described bindiny mechanism also comprise be arranged in the first housing, the first slide block and the second slide block applied to the elastic element that elastic anchorage force resets to make the first slide block and the second slide block.
Further, described actuator is paraffin.
Relative to prior art, machine oil cooler of the present invention has following advantage:
Owing to introduction passage to be divided into independently cylinder cap introduction passage and cylinder body introduction passage, by the temperature variation of control mechanism according to extraction channel, realize carrying out alternate conduction control to cylinder cap introduction passage and cylinder body introduction passage, make machine oil cooler when cooled, temperature required freezing mixture can be obtained as much as possible, improve its usability and using effect.
Another object of the present invention is to propose a kind of engine-cooling system, improve the cooling performance to motor and cooling effect.
For achieving the above object, technological scheme of the present invention is achieved in that
A kind of engine-cooling system, comprise pumping installations freezing mixture being delivered to cylinder head and cylinder block, warm braw, the radiator in cylinder head downstream is in along freezing mixture flow direction, and be in the thermostat in radiator downstream, freezing mixture through warm braw and thermostat is recycled to the coolant entrance of pumping installations, engine downstream along freezing mixture flow direction is provided with machine oil cooler as above, the freezing mixture of the cylinder head of motor is introduced in main body via cylinder cap introduction passage, and the freezing mixture of the cylinder block of motor is introduced in main body via cylinder body introduction passage; Described extraction channel is communicated with the coolant entrance of radiator and the coolant entrance of pumping installations respectively.
Further, the water jacket of described cylinder block and the water jacket of cylinder head are separately independently arranged; The water distribution channel be communicated with the coolant inlet of water jacket in cylinder head is provided with in the air inlet side of cylinder block, in water distribution channel, be provided with the connecting port be communicated with the water jacket of cylinder block, the freezing mixture of described pumped enters in the water jacket of cylinder head and cylinder block respectively via water distribution channel.
Further, the degree of depth of described connecting port is 10-15mm.
Relative to prior art, engine-cooling system of the present invention has following advantage:
Because the freezing mixture of the cylinder block and head of motor is delivered in machine oil cooler respectively by two-way, reduce influencing each other of producing because of temperature difference between cylinder block and head, improve the performance of whole engine-cooling system.
Another object of the present invention is to provide a kind of engine-cooling system controlling method, the method comprises the steps:
During engine warm-up, the control mechanism of machine oil cooler controls cylinder body introduction passage and cuts out, the conducting of cylinder cap introduction passage;
During normal working of engine, the control mechanism of machine oil cooler controls cylinder body introduction passage by closed condition to conducting state-transition, and application cylider cover introduction passage is changed to closed condition by state simultaneously;
During high engine load operation, the control mechanism of machine oil cooler controls the complete conducting of cylinder body introduction passage, and when cylinder body introduction passage complete on state, described cylinder cap introduction passage is closed.
The Dominant Facies that described engine-cooling system controlling method and above-mentioned engine-cooling system control to have relative to prior art is same, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structure diagram of the embodiment of the present invention one;
Fig. 2 is the structure diagram of structure shown in Fig. 1 under the second state;
Fig. 3 is the structure diagram of structure shown in Fig. 1 under the third state;
Fig. 4 is the structure diagram of the embodiment of the present invention two.
Description of reference numerals:
1-main body, 2-extraction channel, 3-introduction passage, 301-cylinder cap introduction passage, 302-cylinder body introduction passage, 401-first housing, 402-second housing, 403-first slide block, 404-second slide block, 405-synchronizing bar, 406-actuator, 407-water seal, 408-strut, 409-push rod, 410-spring, 5-cylinder head, 6-cylinder block, 7-pumping installations, 8-warm braw, 9-radiator, 10-thermostat, 11-machine oil cooler, 12-water distribution channel, 13-connecting port.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Embodiment one
The present embodiment relates to a kind of machine oil cooler, as shown in Figure 1, it comprises main body 1, the freezing mixture of motor is introduced the introduction passage 3 of main body 1, and by the extraction channel 2 of the freezing mixture extraction in main body 1, based on this structure, main thought of the present invention is, introduction passage is divided into cylinder cap introduction passage and cylinder body introduction passage, and by setting up a control mechanism, control mechanism is triggered, with the alternate conduction of application cylider cover introduction passage and cylinder body introduction passage because of the change of coolant temperature in extraction channel.
Based on as above design philosophy, in the present embodiment, main body 1 can adopt existing machine oil cooler agent structure, and introduction passage 3 is made up of two parallel cylinder cap introduction passages 301 of arranging and cylinder body introduction passage 302, cylinder cap introduction passage 301 is communicated with the cooling jacket of cylinder head as described below, to draw via cylinder cap introduction passage 301 to make the freezing mixture in the cooling jacket of cylinder head and deliver in main body 1, realize the heat exchange of the machine oil in freezing mixture and main body 1; Cylinder body introduction passage 302 is communicated with the cooling jacket of cylinder block, to make the freezing mixture in the cooling jacket of cylinder block, draws and delivers in main body 1, realize the heat exchange of the machine oil in freezing mixture and main body 1 via cylinder body introduction passage 302.
The control mechanism of the present embodiment comprises housing, the first slide block 403, second slide block 404, actuator 406 and bindiny mechanism, wherein, the housing of the present embodiment comprises the first housing 401 of inner hollow setting and the second housing 402 of inner hollow setting, the entirety of the first housing 401 is rectangular structure, it crosses with cylinder body introduction passage 302 with cylinder cap introduction passage 301 and is communicated with on length direction, forms to make the first housing 401 structure covered in cylinder cap introduction passage 301 and cylinder body introduction passage 302; Due to the setting of the first housing 401, make under state shown in Fig. 1, above main body 1, define one become large cavity structure relative to cylinder cap introduction passage 301 and cylinder body introduction passage 302 cavity volume.
What the first slide block 403 and the second slide block 404 all slided is arranged in the first housing 401, wherein, first slide block 403 is corresponding with cylinder cap introduction passage 301 to be arranged, second slide block 404 is corresponding with cylinder body introduction passage 302 to be arranged, by the first slide block 403 horizontally slipping with state shown in Fig. 1 in the first housing 401, realize the conducting of cylinder cap introduction passage 301 or the control of closedown, by the second slide block 404 horizontally slipping with state shown in Fig. 1 in the first housing 401, realize the conducting to cylinder body introduction passage 302 or closing control.
As shown in Figure 1, in the present embodiment, the first slide block 403 and the second slide block 404 synchronous slide are arranged, and the two length direction spacing in the first housing 401 is arranged.In order to the synchronous slide realizing the two is arranged, the synchronizing bar 405 of the rigidity be fixed between the first slide block 403 and the second slide block 404 is provided with in the first housing 401, like this, when both the first slide block 403, second slide blocks 404 one is subject to External Force Acting and slides in the first housing 401, can because of the synchronous slide arranging both realizations of synchronizing bar 405.And the two spacing in the length direction of the first housing 401 should meet and following arranges requirement: namely the first slide block 403 avoid cylinder cap introduction passage 301 and make cylinder cap introduction passage 301 completely conducting time, second slide block 404, by cylinder body introduction passage 302 shutoff completely, is in closed condition to make cylinder body introduction passage 302; When cylinder cap introduction passage 301 shutoff makes cylinder cap introduction passage 301 close by the first slide block 403, second slide block 404 is avoided cylinder body introduction passage 302 and makes cylinder body introduction passage 302 conducting completely, like this, the alternate conduction of cylinder cap introduction passage 301 and cylinder body introduction passage 302 is namely achieved.In addition, in order to better improve using effect, in the first housing 401 between the first slide block 403 and the second slide block 404, be provided with the water seal 407 be sleeved on synchronizing bar 405, the inwall of water seal 407 and the first housing 401 is fixedly installed, and can be realized the isolation of the freezing mixture of water seal 407 left and right sides by water seal 407.
In the present invention, apply driving force to the first slide block 403 and the second slide block 404 and realized by actuator, this actuator can trigger generation driving force because of the change of coolant temperature in extraction channel 2; Specifically, actuator 406 in the present embodiment adopts to be responded to coolant temperature in extraction channel 2 and to produce the temperature-sensitive expander of deformation quantity when coolant temperature changes, as paraffin etc., in order to realize the setting to adopting the temperature-sensitive expanders such as paraffin, second housing 402 is included in the outside of actuator 406 and is fixedly installed relative to extraction channel 2, a strut 408 is provided with in extraction channel 2, actuator 406 side is arranged on strut 408, and opposite side is insinuated in the second housing 402.
Actuator 406 is connected with bindiny mechanism, in the present embodiment, in order to coordinate the setting of actuator 406, bindiny mechanism comprises push rod 409 and is arranged on the elastic element in the first housing 401, one end and the actuator 406 of push rod 409 are connected, and the other end is insinuated in the first housing 401 and is connected with the first slide block 403; Elastic element adopts spring 410, and one end of this spring 401 and the right side inwall of the first housing 401 are connected, and the other end and the second slide block 404 are connected.During coolant temperature change in extraction channel 2, actuator 406 produces deformation quantity because of temperature variation, and this deformation quantity provides driving force, to promote the first slide block 403 and the second slide block 404 synchronizing moving for push rod 409.
In addition, based on as above describing, actuator 406 can also adopt other devices, as the air cylinder structure controlled by control unit can be adopted, control unit is according to the temperature in the extraction channel 2 detected, control cylinder applies the driving force to the left or to the right under state shown in Fig. 1 to push rod 409, now, can save strut 408, second housing and spring.
Machine oil cooler described in the present embodiment in use, mainly contain three kinds of states, be illustrated in figure 1 the first state that the present embodiment machine oil cooler uses, Fig. 2 is the second state that the present embodiment machine oil cooler uses, and Fig. 3 is the third state that the present embodiment machine oil cooler uses.
Specifically, the warm-up period of the first state and vehicle motor, also be the original state of the present embodiment machine oil cooler, all lower in the temperature of this stage each parts, as shown in Figure 1, actuator 406 because of the temperature in extraction channel 2 lower, deformation quantity can not be produced because of expansion, under the elastic anchorage force effect that spring 410 applies, cylinder cap introduction passage 301 is fully opened, and cylinder body introduction passage 302 is closed completely because of the stop of the second slide block 404, the freezing mixture caused in main body 1 is the freezing mixture in cylinder head, therefore, the machine oil warming velocity in main body 1 can be accelerated, obtain best running environment.
Second state and normal working of engine stage, as shown in Figure 2, in this stage, oil temperature in main body 1 can raise gradually, now, the temperature of cylinder head also promotes slowly, the freezing mixture introduced by cylinder head can not ensure the temperature required of main body 1 inner engine oil, now, actuator 406 expands because of the rising of coolant temperature in extraction channel 2, the deformation quantity promotion push rod 409 produced because of this expansion moves right with the direction of arrow shown in Fig. 2, first slide block 403 and the second slide block 404 synchronously move right, diminish gradually to make the conducting area of cylinder cap introduction passage 301, and cylinder body introduction passage 302 starts conducting, and conducting area increases gradually, freezing mixture in cylinder block and head is introduced in main body simultaneously, realize the heat exchange with main body 1 inner engine oil.In the process, spring 410 is produced spring energy storage by compressing.
Based under the second state, the third state and high engine load operation state, when this state, the coolant temperature in cylinder head reaches maximum value, is unfavorable for the machine oil cooling in main body 1, now, coolant temperature in extraction channel 2 is high, and maximum expansion deformation quantity occurs actuator 406, to make push rod 409 based under the second state, continue to move right, finally to realize state shown in Fig. 3.In state shown in Fig. 3, the first slide block 403 is completely closed by cylinder cap introduction passage 301, and the second slide block 404 is avoided completely with cylinder body introduction passage 302, and then makes the conducting area of cylinder body introduction passage 302 reach maximum.
When the coolant temperature in extraction channel 2 reduces gradually, under the elastic support of spring 410 and the acting in conjunction of actuator 406, the first slide block and the second slide block reset gradually with the reduction of temperature.
Embodiment two
The present embodiment relates to a kind of engine-cooling system, as shown in Figure 4, this cooling system comprises the pumping installations 7 freezing mixture being delivered to cylinder head 5 and cylinder block 6, warm braw 8, the radiator 9 in cylinder head 5 downstream is in along freezing mixture flow direction, and being in the thermostat 10 in radiator 9 downstream, the freezing mixture through warm braw 8 and thermostat 10 is recycled to the coolant entrance of pumping installations 7.In the present embodiment, pumping installations 7 can adopt conventional water pump, and freezing mixture adopts cooling water accordingly.
Engine downstream along freezing mixture flow direction is provided with the machine oil cooler 11 of embodiment one, and the freezing mixture of cylinder head 5 is introduced in main body 1 via cylinder cap introduction passage 301, and the freezing mixture of cylinder block 6 is introduced in main body 1 via cylinder body introduction passage 302; The extraction channel 2 of machine oil cooler 11 is communicated with the coolant entrance of radiator 9 and the coolant entrance of pumping installations 7 respectively.
In order to realize better using effect, in the present embodiment, in the air inlet side of cylinder block 6, be provided with the water distribution channel 12 be communicated with the coolant inlet of water jacket in cylinder head 5, the connecting port 13 be communicated with the water jacket of cylinder block 6 is provided with in water distribution channel 12, connecting port 13 is set up near the position of the first cylinder, and in order to improve the using effect of whole system further, and the degree of depth of connecting port 13 (distance downward with the parallel to an axis of each cylinder under state shown in this degree of depth and Fig. 4) is 10-15mm, the coolant outlet of pumping installations 7 is directly connected with water distribution channel 12, like this, the freezing mixture of pumping installations 7 pumping can directly enter in cylinder head 5 via water distribution channel 12, portion cooling agent enters in the water jacket of cylinder block 6 via connecting port 13, in the present embodiment, send into except cooling water except realizing through water distribution channel 12 in cylinder block 6 and cylinder head 5, the water jacket of cylinder block 6 and the water jacket of cylinder head 5 are separately independently arranged, because this is independently arranged, the freezing mixture in the freezing mixture in cylinder block 6 water jacket and cylinder head 5 water jacket is made to be isolated and the mutual flowing of mutual freezing mixture can not occur.Independently arranging to realize this, on the architecture basics of existing cylinder block and head, gland shim complete closed cylinder body upper surface water jacket can be made, and then the freezing mixture blocked in block jacket is to the flowing in cylinder head jacket.
Based on system architecture as above, the conducting completely of cylinder cap introduction passage 301 in machine oil cooler, when cylinder body introduction passage 302 is closed completely, freezing mixture in cylinder block cannot flow out due to the closedown of cylinder body introduction passage 302, thus form stationary water state, the freezing mixture pumped into through pumping installations 7 is fed directly in the water jacket of cylinder head 5 by water distribution channel 12, like this, the trend of freezing mixture is pumping installations in turn, cylinder cap, warm braw and machine oil cooler, finally flow back into pumping installations, this process can guarantee the normal operation of warm braw, simultaneously, in cylinder block, freezing mixture remains static, thermal loss can be reduced, to optimize engine performance.
Based under the second state described in embodiment one time, cylinder cap introduction passage 301 and cylinder body introduction passage 302 are in open mode simultaneously, now, the same description of the circulate coolant in cylinder head, freezing mixture in cylinder block is by flowing back to pumping installations after machine oil freezing mixture, because the degree of depth of the connecting port 13 of water distribution channel 12 setting is 10-15mm, therefore, even if cylinder block is communicated with pumping installations carry out circulate coolant, but the region that the degree of depth that the freezing mixture major part participating in circulation in block jacket concentrates on connecting port covers, the freezing mixture of block jacket bottom section presents less flow rate regime or state of rest, therefore, cylinder block and head fundamentally achieves shunting cooling effect, the two independently carries out, be convenient to reduce cylinder head temperature, promote charging efficiency, improve burning, better improve overall performance.
Based under the third state described in the system architecture of the present embodiment and embodiment, what machine oil cooler was introduced is freezing mixture in cylinder block, the trend of freezing mixture is pumping installations 7, cylinder block 6, machine oil cooler 11, radiator 9, thermostat 10 in turn, finally flows back into pumping installations.
Embodiment three
The present embodiment relates to a kind of engine-cooling system controlling method, and it, based under the engine-cooling system described in embodiment two, comprises the steps:
During engine warm-up, the control mechanism of machine oil cooler 11 controls cylinder body introduction passage 302 and cuts out, cylinder cap introduction passage 301 conducting;
During normal working of engine, the control mechanism of machine oil cooler 11 controls cylinder body introduction passage 302 by closed condition to conducting state-transition, and application cylider cover introduction passage 301 is changed to closed condition by state simultaneously;
During high engine load operation, the control mechanism of machine oil cooler 11 controls the complete conducting of cylinder body introduction passage 302, and when cylinder body introduction passage 302 complete on state, cylinder cap introduction passage 301 is closed.The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a machine oil cooler (11), comprises main body (1), the freezing mixture of motor is introduced the introduction passage (3) of main body (1), and by the extraction channel (2) that the freezing mixture in main body (1) is drawn, it is characterized in that:
Described introduction passage (3) comprises cylinder cap introduction passage (301) and cylinder body introduction passage (302), and the cylinder head (5) of motor and the freezing mixture of cylinder block (6) are separately introduced in main body (1) via described cylinder cap introduction passage (301) and cylinder body introduction passage (302);
Control mechanism, is equipped with main body (1), and described control mechanism triggers because of the change of extraction channel (2) interior coolant temperature, with the alternate conduction of application cylider cover introduction passage (301) and cylinder body introduction passage (302).
2. machine oil cooler according to claim 1 (11), is characterized in that described control mechanism comprises:
Housing, is fixedly installed relative to main body (1);
First slide block (403), to be slidably arranged in housing and correspondingly with cylinder cap introduction passage (301) to arrange, and described the first slide block (403) is because its slip in housing is to make (301) conducting of cylinder cap introduction passage or closedown;
Second slide block (404), correspondingly with cylinder body introduction passage (302) to arrange, and being arranged in housing with the first slide block (403) synchronous slide, described the second slide block (404) is because its slip in housing is to make (302) conducting of cylinder body introduction passage or closedown;
Actuator (406), triggers generation driving force because of the change of extraction channel (2) interior coolant temperature;
Bindiny mechanism, be connected on actuator (406), its carrying actuator (406) driving force of producing and order about the first slide block (403) and the second slide block (404) in housing inter-sync slip, to make cylinder cap introduction passage (301) and cylinder body introduction passage (302) alternate conduction.
3. machine oil cooler according to claim 2 (11), is characterized in that described housing comprises:
First housing (401), inner hollow arranges and covers and is arranged in cylinder cap introduction passage (301) and cylinder body introduction passage (302), and the inside of described first housing (401) and cylinder cap introduction passage (301) are communicated with cylinder body introduction passage (302) and arrange; Described the first slide block (403) and the second slide block (404) are slidably arranged in the first housing (401).
4. machine oil cooler according to claim 3 (11), it is characterized in that: in the first housing (401) between the first slide block (403) and the second slide block (404), be provided with the water seal (407) be fixedly installed relative to the inwall of the first housing (401).
5. machine oil cooler according to claim 3 (11), is characterized in that described housing comprises:
Second housing (402), be equipped with and arrange in the upper and inner hollow of extraction channel (2), described actuator (406) for be arranged in the second housing (402), extraction channel (2) interior coolant temperature responded to and when coolant temperature changes the temperature-sensitive expander of generation deformation quantity;
Described bindiny mechanism comprises the push rod (409) be connected with actuator (406), and described push rod (409) bears the deformation quantity of actuator and orders about the first slide block (403) and the second slide block (404) slides in housing inter-sync; Described bindiny mechanism also comprise be arranged in the first housing (401), the first slide block (403) and the second slide block (404) applied to the elastic element that elastic anchorage force resets to make the first slide block (403) and the second slide block (404).
6. machine oil cooler according to claim 5 (11), is characterized in that: described actuator (406) is paraffin.
7. an engine-cooling system, comprise the pumping installations (7) freezing mixture being delivered to cylinder head (5) and cylinder block (6), the warm braw (8) in cylinder head (5) downstream is in along freezing mixture flow direction, radiator (9), and be in the thermostat (10) in radiator (9) downstream, freezing mixture through warm braw (8) and thermostat (10) is recycled to the coolant entrance of pumping installations (7), it is characterized in that: the engine downstream along freezing mixture flow direction is provided with machine oil cooler as claimed in claim 1 (11), the freezing mixture of the cylinder head (5) of motor is introduced in main body (1) via cylinder cap introduction passage (301), the freezing mixture of the cylinder block (6) of motor is introduced in main body (1) via cylinder body introduction passage (302), described extraction channel (2) is communicated with the coolant entrance of radiator (9) and the coolant entrance of pumping installations (7) respectively.
8. engine-cooling system according to claim 7, is characterized in that: the water jacket of described cylinder block (6) and the water jacket of cylinder head (5) are separately independently arranged; The water distribution channel (12) be communicated with the coolant inlet of water jacket in cylinder head (5) is provided with in the air inlet side of cylinder block (6), in water distribution channel (12), be provided with the connecting port (13) be communicated with the water jacket of cylinder block (6), the freezing mixture of described pumping installations (7) pumping enters in the water jacket of cylinder head (5) and cylinder block (6) respectively via water distribution channel (12).
9. engine-cooling system according to claim 8, is characterized in that: the degree of depth of described connecting port (13) is 10-15mm.
10. an engine-cooling system controlling method, is characterized in that the method comprises the steps:
During engine warm-up, the control mechanism of machine oil cooler (11) controls cylinder body introduction passage (302) and cuts out, cylinder cap introduction passage (301) conducting;
During normal working of engine, the control mechanism of machine oil cooler (11) controls cylinder body introduction passage (302) by closed condition to conducting state-transition, and application cylider cover introduction passage (301) is changed to closed condition by state simultaneously;
During high engine load operation, the control mechanism of machine oil cooler (11) controls cylinder body introduction passage (302) conducting completely, and when cylinder body introduction passage (302) complete on state, described cylinder cap introduction passage (301) is closed.
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| CN201410825067.9A CN104454077B (en) | 2014-12-27 | 2014-12-27 | Oil cooler and engine-cooling system and its control method |
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| CN201410825067.9A CN104454077B (en) | 2014-12-27 | 2014-12-27 | Oil cooler and engine-cooling system and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327338A (en) * | 2016-04-28 | 2017-11-07 | 长城汽车股份有限公司 | Engine-cooling system and the vehicle with it |
| CN109425121A (en) * | 2017-08-31 | 2019-03-05 | 芜湖美的厨卫电器制造有限公司 | The flow adjusting feedback device and water heater of water heater |
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| JPS63239305A (en) * | 1987-03-25 | 1988-10-05 | Toyota Motor Corp | Control device for lublicating oil temperature of internal combustion engine |
| US6053131A (en) * | 1997-04-12 | 2000-04-25 | Bayerische Motoren Werke Aktiengesellschaft | Heat exchanger for liquid heat exchange media |
| CN204003049U (en) * | 2014-07-30 | 2014-12-10 | 重庆小康工业集团股份有限公司 | Engine-cooling system |
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|---|---|---|---|---|
| JPS63239305A (en) * | 1987-03-25 | 1988-10-05 | Toyota Motor Corp | Control device for lublicating oil temperature of internal combustion engine |
| US6053131A (en) * | 1997-04-12 | 2000-04-25 | Bayerische Motoren Werke Aktiengesellschaft | Heat exchanger for liquid heat exchange media |
| CN204003049U (en) * | 2014-07-30 | 2014-12-10 | 重庆小康工业集团股份有限公司 | Engine-cooling system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327338A (en) * | 2016-04-28 | 2017-11-07 | 长城汽车股份有限公司 | Engine-cooling system and the vehicle with it |
| CN107327338B (en) * | 2016-04-28 | 2019-11-01 | 长城汽车股份有限公司 | Engine-cooling system and vehicle with it |
| CN109425121A (en) * | 2017-08-31 | 2019-03-05 | 芜湖美的厨卫电器制造有限公司 | The flow adjusting feedback device and water heater of water heater |
| CN109425121B (en) * | 2017-08-31 | 2024-04-12 | 芜湖美的厨卫电器制造有限公司 | Flow regulation feedback device of water heater and water heater |
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|---|---|
| CN104454077B (en) | 2018-03-13 |
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