CN103867617A - Commercial vehicle thermostat for arranging hydraulic retarder - Google Patents
Commercial vehicle thermostat for arranging hydraulic retarder Download PDFInfo
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- CN103867617A CN103867617A CN201410079762.5A CN201410079762A CN103867617A CN 103867617 A CN103867617 A CN 103867617A CN 201410079762 A CN201410079762 A CN 201410079762A CN 103867617 A CN103867617 A CN 103867617A
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- valve
- thermoregulator
- configuring
- commercial car
- hydrodynamic retarder
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Abstract
The invention discloses a commercial vehicle thermostat for arranging a hydraulic retarder. The thermostat comprises a first valve body and a second valve body which is provided with a hot water inlet, a large circulation connector and a small circulation connector, wherein the second valve body is internally provided with a second valve which is used for controlling the opening and closing of the hot water inlet and the small circulation connector and is controlled by a wax type thermostat core. The commercial vehicle thermostat integrates the pressure balance wax type thermostat core with big flow and low flow resistance, and a pressure balance type valve which is driven by a power source and is of a cylinder structure, a valve seat is of a conical surface low-resistance flow-guide structure, the valve is tightly pressed on the surface of the valve seat mainly by replying on a reset spring for sealing, and the requirement of fast opening or closing is met by using the power resource to drive a valve rod in the moving direction of the valve to enable the matching between the valve and the valve seat.
Description
Technical field
The present invention relates to the cooling technology field of retarder, be specially a kind of for configuring the commercial car thermoregulator of hydrodynamic retarder.
Background technique
Hydrodynamic retarder is started by operating grip, and heating power, up to 200-600 kilowatt, needs quick heat radiating during operation, and oil temperature should be controlled in below 160 degree, to avoid fluid rotten.Its traditional cool cycles main road line is: engine water outlet, and---------major cycle (radiator)/short circle---water pump---motor water inlet, the core of this scheme is by traditional waxtype thermostat connecting engine cooling system and retarder heat exchanger main passage to thermostat to retarder heat exchanger.For preventing that retarder from producing fluid problems of excessive heat, solve the problem of retarder quick heat radiating, in increasing thermostat flow, the thermostat in circulation road is just opened to temperature and is reduced to 76 degree from 82 degree---because retarder only needs to play a role during long descending.Like this, because of 76 degree settings, will cause non-long descending during engine water temperature too low, cause oil consumption increase and deterioration of emission.Although such scheme makes moderate progress to retarder fluid is overheated, but because the narrow limitation of the moisture sensitivity of traditional thermostat still cannot solve retarder fluid problems of excessive heat at all, because traditional pressure balance wax formula thermoregulator could be controlled the switching of major cycle and short circle after needing temperature sensor to change, cannot make retarder quick heat radiating, thereby the torque capability that causes retarder to bring into play is limited.Therefore, the cooling layout of traditional waxtype thermostat control and retarder is very large to the application restric-tion of retarder.
Summary of the invention
The object of the invention is for overcome above-mentioned deficiency provide a kind of can make retarder obtain rapidly heat radiation for configuring the commercial car thermoregulator of hydrodynamic retarder.
The present invention includes the first valve body and the second valve body, described the second valve body is provided with water inlet of hot water, major cycle interface and short circle interface, in described the second valve body, be provided with the second valve for controlling water inlet of hot water and short circle interface switch, described the second valve is by the control of wax formula thermoregulator core body, described the first valve body is provided with cooling water intake and cooling water outlet, between described the first valve body and the second valve body, be communicated with by connecting passage, in described the first valve body, be provided with the first valve for control connection passage and cooling water outlet switch, described the first valve is by power source control.
The present invention is an integrated large flow, low flow resistance, pressure balance wax formula thermoregulator core body; A pressure balance type valve being driven by power source, valve is cylindrical structure, valve seat is conical surface low-resistance flow guide structure, because mainly relying on Returnning spring to be pressed on valve seat surface, this valve seals, in the moving direction of valve, opened the cooperation of valve and valve seat by power source actuate valve stem, thereby play the requirement of closing of quick unlatching.When the structure of the quick switching to two passages is not worked at retarder, this valve disconnects cooling retarder road; and open cooling liquid and flow to the passage of nigh conventional waxes formula thermoregulator; not only make simple in structure small and exquisite; and action and retarder interlock, guarantee that retarder is dispelled the heat rapidly.The startup of retarder produces a large amount of heats, valve is owing to having adopted power source driving, open the passage of heat exchanger in moment, cut off the cooling liquid that flows to short circle simultaneously, and allow the cools down liquid full entry major cycle of flowing through, can make the cooling capacity of heat exchanger and radiator obtain maximum performance, thereby solve the problem that retarder dispels the heat not in time.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the plan view of Fig. 1.
Fig. 4 is that work of the present invention is used view.
Fig. 5 is principle of the invention figure.
Embodiment
Further illustrate the present invention below in conjunction with drawings and Examples.
Embodiment: the present invention includes the wax formula thermoregulator core body 16 being located in upper outlet body 3 and lower cover 8, also comprise the first valve, described the first valve comprises the valve rod 2, valve seat 4 and the valve 5 that are located in upper outlet body 3 and lower cover 8, described upper outlet body 3 outsides are provided with power source 1, described valve seat 4 be shaped as the shape of falling bamboo hat, form a low-resistance flow guide structure.The upper end of described valve 5 is uncovered, the lower end of described valve 5 is provided with positioning hole, the outer wall of described valve 5 is located between lower cover 8 cylindrical hole inwalls, described valve 5 lower ends are provided with Returnning spring 7, the lower end of described Returnning spring 7 is provided with spring bracket 9, described spring bracket 9 is arranged on the location hanging platform of lower cover 8, the top of described valve rod 2 is connected with power source 1, the lower end of described valve rod 2 is passed the intermediate space of upper outlet body 3 and valve seat 4 successively, and be arranged in the positioning hole of valve 5, described actuating valve body is communicated with by connecting passage 15 with wax formula thermoregulator core body 16.Described power source 1 is cylinder or linear electric motor.Between the outer wall of described valve 5 and lower cover 8 cylindrical hole inwalls, be provided with water seal circle 6.Described valve 5 is cylindrical drum, and the poor sum of balance pressure forming along cylindrical shape inside and outside wall is zero.Described valve seat 4 and valve 5 are coaxial.Described lower cover 8 lower curtates are provided with connecting plate 10, and described connecting plate 10 is provided with the intake pipe 14 connecting with lower cover 8, between described lower cover 8 and connecting plate 10, are provided with connecting plate seal ring 20.Between described upper outlet body 3 and power source 1, be provided with power source bearing 17.Between described valve rod 2 and upper outlet body 3, be provided with at least one sealing 18.Between described upper outlet body 3 and lower cover 8, be provided with cover body seal ring 19.
Valve 5 adopts pressure balance type structure, is arranged between the interior cylindrical hole fitting surface that water seal circle 6 and lower cover 8 form, and valve 5 is upwards compressed and forms normally closed sealing state with valve seat 4 by Returnning spring 7 elastic force.Wherein water seal circle 6 is fixed in lower cover 8 by the installing force of upper lower cover by valve seat 4, and spring bracket 9 is positioned on the reserved location hanging platform of lower cover 8 because of the back pressure of spring force.The unlatching of valve 5 are power sources by being arranged on upper outlet body 3 outsides 1 by valve rod 2 by power going down to valve 5, driving force is much larger than Returnning spring power 7 and water seal circle 6 frictional force sums, open thereby promote valve 5, to realize the needs of retarder working state.The lower end of valve rod 2 is seated in the positioning hole of valve 5, intermediate space coordinates through valve seat 4, passing upper outlet body 3 comes to valve 5 transferring power with the motion that coordinates power source 1 again, therefore valve rod 2 adopts 2 sealings 18 to seal with upper outlet body 3, thereby do not allow valve rod hole to cover body external leakage, valve seat 4 is to be secured in the step hole of lower cover 8 by the installing force of upper lower cover.
Valve in wax formula thermoregulator core body 16, valve seat, water seal circle, wax formula thermoregulator big spring with also can be the same with the similarity piece mounting type in actuating valve body structure, pusher section can adopt the traditional arrangement method of waxtype thermostat, the push rod top of wax formula inductor is arranged in valve seat orifice, in the time that inductor is heated, the sensed device of push rod is extruded elongation, push rod top is fixed in valve seat orifice, therefore the moving inductor of reverse push moves downward, inductor is landed in valve center mounting hole, thereby band movable valve moves downward, valve coordinates and opens with valve seat, realize the major cycle path of traditional thermoregulator.Otherwise in the time that temperature declines, inductor does not have extruding force to push rod, reset at the effect lower valve of big spring, thermoregulator major cycle is closed.Because what the cylndrical surface of the valve of thermoregulator was controlled is bypass circulation, i.e. engine cooling short circle, therefore, in the time that major cycle is opened gradually, short circle path also reduces gradually, and in the time that major cycle is opened completely, short circle is also closed completely.Waxtype thermostat is exactly the switching that realizes valve under the impact of coolant temperature, thereby automatically controls flow and the break-make of large and small cycles.
Wherein water inlet of hot water 21 is for connecting the interface of heat exchanger water outlet, and major cycle interface 22 is for connecting the interface of major cycle, and short circle interface 23 is for connecting the interface of short circle, and cooling water outlet 24 is for connecting the interface of heat exchanger water intake.The startup of retarder will produce a large amount of heats in the short time, now need heat exchanger to dispel the heat in time, valve 5 is because having adopted power source 1 to drive, can open in moment the passage of heat exchanger, cut off the cooling liquid of the connecting passage 15 that flows to wax formula thermoregulator simultaneously, and allow the cools down liquid full entry major cycle of flowing through, all flow through radiator, so that the cooling capacity of heat exchanger and radiator obtains maximum performance, thereby solve the problem that retarder dispels the heat not in time, in the time that retarder is not worked, heat exchanger does not need retarder to dispel the heat yet, therefore adopt valve 5 to drive and cut off in time the cooling liquid that flows to heat exchanger, open simultaneously and connect the path that short circle connects, now the cooling system 26S Proteasome Structure and Function of motor returns to traditional mode.
Above-described embodiment is preferably mode of execution of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (9)
1. one kind for configuring the commercial car thermoregulator of hydrodynamic retarder, comprise the first valve body and the second valve body, described the second valve body is provided with water inlet of hot water (21), major cycle interface (22) and short circle interface (23), in described the second valve body, be provided with the second valve for controlling water inlet of hot water (21) and short circle interface (23) switch, described the second valve is controlled by wax formula thermoregulator core body (16), it is characterized in that: described the first valve body is provided with cooling water intake (14) and cooling water outlet (24), between described the first valve body and the second valve body, be communicated with by connecting passage (15), in described the first valve body, be provided with the first valve for control connection passage (15) and cooling water outlet (24) switch, described the first valve is controlled by power source (1).
2. according to claim 1 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that described the first valve comprises the valve rod (2) being located between upper outlet body (3) and lower cover (8), Returnning spring (7), valve seat (4) and valve (5), described valve (5) is cylindrical drum, the upper end of described valve (5) is uncovered, the lower end of described valve (5) is provided with positioning hole, the cross section of described valve seat (4) is the conical surface, the top of described valve rod (2) is connected with power source (1), the lower end of described valve rod (2) is successively through upper outlet body (3), after the intermediate space of base plate (13) and location side plate (12), be seated in the positioning hole of valve (5), the two ends of described Returnning spring (7) are connected with lower cover (8) with valve (5) lower end respectively.
3. according to claim 2 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that being provided with power source bearing (17) between described upper outlet body (3) and power source (1).
4. according to claim 2 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that described valve seat (4) and valve (5) are coaxial.
5. according to claim 2 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that the lower end of described Returnning spring (7) is provided with spring bracket (9), described spring bracket (9) is arranged on the location hanging platform of lower cover (8).
6. according to claim 2 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that described lower cover (8) lower curtate is provided with connecting plate (10), is provided with connecting plate seal ring (20) between described lower cover (8) and connecting plate (10).
7. according to claim 2 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that being provided with cover body seal ring (19) between described upper outlet body (3) and lower cover (8), between the outer wall of valve (5) and lower cover (8) cylindrical hole inwall, be provided with water seal circle (6); Between described valve rod (2) and upper outlet body (3), be provided with at least one sealing (18).
8. according to claim 1 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that described power source (1) is cylinder.
9. according to claim 1 for configuring the commercial car thermoregulator of hydrodynamic retarder, it is characterized in that described power source (1) is linear electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079762.5A CN103867617B (en) | 2014-03-06 | 2014-03-06 | For configuring the commercial car thermoregulator of Retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079762.5A CN103867617B (en) | 2014-03-06 | 2014-03-06 | For configuring the commercial car thermoregulator of Retarder |
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| CN103867617A true CN103867617A (en) | 2014-06-18 |
| CN103867617B CN103867617B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410079762.5A Active CN103867617B (en) | 2014-03-06 | 2014-03-06 | For configuring the commercial car thermoregulator of Retarder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100352A (en) * | 2014-06-24 | 2014-10-15 | 东风富士汤姆森调温器有限公司 | Flow control valve for commercial vehicle retarder |
| CN106438768A (en) * | 2016-08-26 | 2017-02-22 | 中国第汽车股份有限公司 | Electric control temperature regulator for hydraulic retarder |
| CN111183278A (en) * | 2017-09-26 | 2020-05-19 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694681A1 (en) * | 1994-07-26 | 1996-01-31 | Bayerische Motoren Werke Aktiengesellschaft | Thermostatic valve for the coolant circuit of an internal combustion engine |
| JP2005220772A (en) * | 2004-02-03 | 2005-08-18 | Kuzee:Kk | Engine cooling device |
| CN201646678U (en) * | 2009-12-09 | 2010-11-24 | 金龙联合汽车工业（苏州）有限公司 | External thermostat |
| JP2012026279A (en) * | 2010-07-20 | 2012-02-09 | Toyota Motor Corp | Cooling device for engine |
| CN202451261U (en) * | 2012-02-24 | 2012-09-26 | 重庆长安汽车股份有限公司 | Electronic temperature regulator of automobile engine |
| JP2012207575A (en) * | 2011-03-29 | 2012-10-25 | Toyota Motor Corp | Cooling device of internal combustion engine |
| CN202718744U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Engine thermostat |
| CN203836042U (en) * | 2014-03-06 | 2014-09-17 | 东风富士汤姆森调温器有限公司 | Commercial vehicle temperature regulator used for configuring hydraulic retarder |
-
2014
- 2014-03-06 CN CN201410079762.5A patent/CN103867617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694681A1 (en) * | 1994-07-26 | 1996-01-31 | Bayerische Motoren Werke Aktiengesellschaft | Thermostatic valve for the coolant circuit of an internal combustion engine |
| JP2005220772A (en) * | 2004-02-03 | 2005-08-18 | Kuzee:Kk | Engine cooling device |
| CN201646678U (en) * | 2009-12-09 | 2010-11-24 | 金龙联合汽车工业（苏州）有限公司 | External thermostat |
| JP2012026279A (en) * | 2010-07-20 | 2012-02-09 | Toyota Motor Corp | Cooling device for engine |
| JP2012207575A (en) * | 2011-03-29 | 2012-10-25 | Toyota Motor Corp | Cooling device of internal combustion engine |
| CN202451261U (en) * | 2012-02-24 | 2012-09-26 | 重庆长安汽车股份有限公司 | Electronic temperature regulator of automobile engine |
| CN202718744U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Engine thermostat |
| CN203836042U (en) * | 2014-03-06 | 2014-09-17 | 东风富士汤姆森调温器有限公司 | Commercial vehicle temperature regulator used for configuring hydraulic retarder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100352A (en) * | 2014-06-24 | 2014-10-15 | 东风富士汤姆森调温器有限公司 | Flow control valve for commercial vehicle retarder |
| CN106438768A (en) * | 2016-08-26 | 2017-02-22 | 中国第汽车股份有限公司 | Electric control temperature regulator for hydraulic retarder |
| CN111183278A (en) * | 2017-09-26 | 2020-05-19 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
| CN111183278B (en) * | 2017-09-26 | 2022-08-09 | 科派特汽车配件工贸联合股份公司 | Thermostat assembly with improved bypass control |
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| Publication number | Publication date |
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| CN103867617B (en) | 2016-08-24 |
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