CN104100352A - Flow control valve for commercial vehicle retarder - Google Patents
Flow control valve for commercial vehicle retarder Download PDFInfo
- Publication number
- CN104100352A CN104100352A CN201410286558.0A CN201410286558A CN104100352A CN 104100352 A CN104100352 A CN 104100352A CN 201410286558 A CN201410286558 A CN 201410286558A CN 104100352 A CN104100352 A CN 104100352A
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- valve
- retarder
- mouth
- nut
- water temperature
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Abstract
The invention discloses a flow control valve for a commercial vehicle retarder. The flow control valve comprises a shell, a water temperature sensor used for collecting the water temperature of an engine, an automobile electronic control unit (ECU) used for collecting water temperature signals of the water temperature sensor, and an actuator used for controlling the action of a motor, wherein the shell is internally provided with a first valve used for controlling the flow rate of a retarder mouth, a second valve used for controlling the large and small circular flow of the engine, and a valve seat arranged between the first valve and the second valve; the first valve and the second valve are arranged in a coaxial way; the motor is arranged outside the shell; an output shaft of the motor is respectively matched with a first nut and a second nut by a screw rod, the first nut is fixedly arranged in the center of the first valve, and the second nut is fixedly arranged in the center of the second valve. The flow control valve has the effects of reducing the fuel consumption and reducing the emission of CO and HC in tail gas.
Description
Technical field
The present invention relates to vehicle and use cooling technology field, be specially a kind of commercial car and join retarder flow control valve.
Background technique
What at present commercial car hydrodynamic retarder flow control valve adopted is the common wax formula thermoregulator of engine-cooling system, and cooling liquid is flowed through out and is furnished with the retarder of dedicated heat exchanger from motor, then gets back to car load radiator and participates in circulation.The performance of common wax formula thermoregulator is determined by expanding material, volumetric expansion after expanding material absorption outside energy, and generation power, valve starts to open, until valve is opened completely, the time needs 90S left and right.And a large amount of heat of retarder instantaneous generation of when braking, the heat producing when high-grade braking reaches tens kilowatts.Common thermoregulator valve cannot instantaneously be opened, and cooling liquid cannot be taken away amount of heat.When retarder braking, produce amount of heat for fear of top grade braking, and protect retarder.Conventional method is to reduce gear braking.Because the heat of the low generation of gear is few when retarder braking.But, by the retarder mode of braking that lowers category, for driver, easily produce misoperation, and occur the faults such as retarder damage.Thermoregulator is connected with retarder simultaneously, and coolant flow resistance is large, and pump power is large, and energy consumption is large.
Summary of the invention
The object of the invention is provides a kind of heat dissipation rate commercial car fast, that can reduce automobile fuel consumption to join retarder flow control valve in order to overcome above-mentioned deficiency.
The present invention includes housing, also comprise the cooling-water temperature sensor for gathering engine water temperature, for collecting the automobile ECU of cooling-water temperature sensor water temperature signal, and for controlling the final controlling element of motor action, in described housing, be provided with the first valve for controlling retarder mouth flow, be used for the second valve of the large and small cycles flow of control engine, and valve seat between the first valve and the second valve, described the first valve and the second valve are coaxially arranged, described housing is provided with motor outward, described motor output shaft matches with the second nut that is fixed on the second valve central authorities with the first nut that is fixed on the first valve central authorities respectively by leading screw.
The present invention collects engine water temperature sensor water temperature signal by ECU; rotated by the final controlling element control motor that sets in advance control program; promote the first valve and the second valve and carry out regulating valve unlatching size; thereby regulate the flow of major cycle; maintain engine water temperature; better protection motor, plays reduction automobile fuel consumption, reduces the effect of the discharge of CO, HC in tail gas.Simultaneously by collecting retarder brake signal; ECU passes through final controlling element according to the relevant information setting in advance; by controlling motor rotation; promote the first valve and second valve goalkeeper major cycle mouth is closed; open retarder mouth simultaneously; make the cooling liquid retarder of flowing through, take away the amount of heat that retarder braking produces, protection retarder.
Brief description of the drawings
Structural representation when Fig. 1 is flow control valve original state of the present invention;
Fig. 2 is flow control valve major cycle of the present invention structural representation while opening;
Fig. 3 is that flow control valve major cycle of the present invention is closed, retarder mouth structural representation while opening;
Fig. 4 is control procedure schematic diagram of the present invention.
Embodiment
Further illustrate the present invention below in conjunction with drawings and Examples.
Embodiment: the present invention includes housing, also comprise the cooling-water temperature sensor 9 for gathering engine water temperature, for collecting the automobile ECU 10 of cooling-water temperature sensor 9 water temperature signals, and for controlling the final controlling element 11 of motor action, in described housing, be provided with the first valve 1 for controlling retarder mouth flow, be used for the second valve 4 of the large and small cycles flow of control engine, and valve seat 3 between the first valve 1 and the second valve 4, described the first valve 1 and the second valve 4 are coaxially arranged, described housing is provided with motor 7 outward, described motor 7 output shafts match with the second nut 13 that is fixed on the second valve 4 central authorities with the first nut 12 that is fixed on the first valve 1 central authorities respectively by leading screw 8.Described housing is made up of upper outlet body 2 and lower cover 6, described housing is provided with retarder mouth, cooling liquid inlet, radiator mouth and short circle mouth, described valve seat 3 is arranged on lower cover 7 for controlling the break-make of cooling liquid inlet and radiator mouth, described the first valve 1 and the second valve 4 are respectively equipped with the first cylindrical drum shell 14 and the second cylindrical drum shell 15, on described the first cylindrical drum shell 14 and the second cylindrical drum shell 15 two ends perforations and inwall, be respectively equipped with the first bracing ring 16 and the second bracing ring 17, on described upper outlet body 2 and lower cover 6 inwalls, be respectively equipped with the first guide collar 18 and the second guide collar 19, described the second guide collar 19 is for cutting off radiator mouth and short circle mouth, described short circle mouth top is provided with the sealing plate 20 for controlling short circle mouth flow, thereby the outer wall of described the first cylindrical drum shell 14 and the second cylindrical drum shell 15 slides axially and regulates the uninterrupted of radiator mouth and short circle mouth along the first guide collar 18 and the second guide collar 19 respectively, described the first nut 12 and the second nut 13 are separately fixed on the first bracing ring 16 and the second bracing ring 17.Described the second guide collar 19 is provided with the seal ring 5 for preventing the second valve 4 side leakage.Described the first nut 12 is coaxial with the first valve 1, and described the second nut 13 is coaxial with the second valve 4.
Motor 7 rotarily drives the second valve 4 and moves, thus the large and small circulation of control engine; While motor 7 rotarily drives the first valve 1 and moves, control retarder mouth coolant rate, retarder mouth has enough flows in order to ensure by retarder after opening, major cycle need to kill engine simultaneously, the first valve 1 contacts with valve seat 3, motor major cycle is closed, and cooling liquid flows to retarder mouth.Cooling liquid all, by entering major cycle after retarder, is got back to radiator.Seal ring 5 is fixed on lower cover 6, and sealing the second valve 4 around leaks, short circle flow after minimizing major cycle unlatching.Motor 7 is with controlling final controlling element.According to engine coolant temperature signal, automobile ECU provides dependent instruction, rotarily drive the first valve 1 and the second valve 4 moves by actuator driven motor, along with engine water temperature rises, the second valve 4 move to open maximum, coolant rate maximum, then coolant temperature reduces, and automobile ECU provides instruction, and motor 7 rotates the second valve 4 and falls after rise, lift reduces, and engine water temperature finally reaches balance.When automobile ECU is received retarder braking instruction, motor 7 fast driving the first valve 1 and the second valves 4, cut off motor major cycle, make cooling liquid all by retarder, take away the amount of heat producing while braking because of retarder, thus protection retarder.When automobile ECU is not received retarder braking instruction, cooling liquid, without retarder, is directly walked engine size circulation, reduces pump Energy consumption.Hydraulic type retarder of the present invention can reduce oil consumption with flow control valve for automobile, and in tail gas, CO discharge declines, and HC discharges decline, plays the effect of protection hydrodynamic retarder simultaneously.In the time that the first valve 1 rises to the highest and the second valve 4 and contacts with valve seat 3, retarder mouth is shut, and cooling liquid flows to short circle mouth by the second cylindrical drum shell 15; In the time that the first valve 1 rises to the highest and the second valve 4 and contacts with sealing plate 20, cooling liquid flows to radiator mouth.
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 (4)
1. a commercial car is joined retarder flow control valve, comprise housing, it is characterized in that: also comprise the cooling-water temperature sensor (9) for gathering engine water temperature, be used for collecting the automobile ECU (10) of cooling-water temperature sensor (9) water temperature signal, and for controlling the final controlling element (11) of motor action, in described housing, be provided with the first valve (1) for controlling retarder mouth flow, be used for second valve (4) of the large and small cycles flow of control engine, and be positioned at the valve seat (3) between the first valve (1) and the second valve (4), described the first valve (1) is coaxially arranged with the second valve (4), described housing is provided with motor (7) outward, described motor (7) output shaft matches with being fixed on first nut (12) of the first valve (1) central authorities and being fixed on central the second nut (13) of the second valve (4) respectively by leading screw (8).
2. commercial car according to claim 1 is joined retarder flow control valve, it is characterized in that described housing is made up of upper outlet body (2) and lower cover (6), described housing is provided with retarder mouth, cooling liquid inlet, radiator mouth and short circle mouth, it is upper for controlling the break-make of cooling liquid inlet and radiator mouth that described valve seat (3) is arranged on lower cover (7), described the first valve (1) is respectively equipped with the first cylindrical drum shell (14) and the second cylindrical drum shell (15) with the second valve (4), on described the first cylindrical drum shell (14) and the perforation of the second cylindrical drum shell (15) two ends and inwall, be respectively equipped with the first bracing ring (16) and the second bracing ring (17), on described upper outlet body (2) and lower cover (6) inwall, be respectively equipped with the first guide collar (18) and the second guide collar (19), described the second guide collar (19) is for cutting off radiator mouth and short circle mouth, described short circle mouth top is provided with the sealing plate (20) for controlling short circle mouth flow, the outer wall of described the first cylindrical drum shell (14) and the second cylindrical drum shell (15) respectively along the first guide collar (18) and the second guide collar (19) thus slide axially and regulate the uninterrupted of radiator mouth and short circle mouth, described the first nut (12) and the second nut (13) are separately fixed on the first bracing ring (16) and the second bracing ring (17).
3. commercial car according to claim 2 is joined retarder flow control valve, it is characterized in that described the second guide collar (19) is provided with the seal ring (5) for preventing the second valve (4) side leakage.
4. join retarder flow control valve according to the commercial car described in claim 1 or 2 or 3, it is characterized in that described the first nut (12) is coaxial with the first valve (1), described the second nut (13) is coaxial with the second valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286558.0A CN104100352B (en) | 2014-06-24 | 2014-06-24 | Commercial car joins retarder flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286558.0A CN104100352B (en) | 2014-06-24 | 2014-06-24 | Commercial car joins retarder flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104100352A true CN104100352A (en) | 2014-10-15 |
| CN104100352B CN104100352B (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410286558.0A Active CN104100352B (en) | 2014-06-24 | 2014-06-24 | Commercial car joins retarder flow control valve |
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| Country | Link |
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| CN (1) | CN104100352B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398432A (en) * | 2015-11-30 | 2016-03-16 | 宁波华盛汽车部件有限公司 | Control system and method for hydrodynamic retarder |
| CN105545453A (en) * | 2016-02-25 | 2016-05-04 | 茹咪娜 | Durable thermostat |
| CN106014592A (en) * | 2016-02-25 | 2016-10-12 | 茹咪娜 | Straight-through type thermostat |
| CN109538945A (en) * | 2018-12-17 | 2019-03-29 | 东风富士汤姆森调温器有限公司 | Universal vehicle-mounted fuel systems leak detecting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964371A (en) * | 1988-04-04 | 1990-10-23 | Mazda Motor Corporation | Automobile engine cooling system |
| JPH06323137A (en) * | 1993-05-13 | 1994-11-22 | Nippon Soken Inc | Engine cooling water temperature control device |
| JP2005220772A (en) * | 2004-02-03 | 2005-08-18 | Kuzee:Kk | Engine cooling device |
| CN103867617A (en) * | 2014-03-06 | 2014-06-18 | 东风富士汤姆森调温器有限公司 | Commercial vehicle thermostat for arranging hydraulic retarder |
| CN103867285A (en) * | 2014-03-06 | 2014-06-18 | 东风富士汤姆森调温器有限公司 | Retarder cooling system |
| CN204041201U (en) * | 2014-06-24 | 2014-12-24 | 东风富士汤姆森调温器有限公司 | Commercial car joins retarder flow control valve |
-
2014
- 2014-06-24 CN CN201410286558.0A patent/CN104100352B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964371A (en) * | 1988-04-04 | 1990-10-23 | Mazda Motor Corporation | Automobile engine cooling system |
| JPH06323137A (en) * | 1993-05-13 | 1994-11-22 | Nippon Soken Inc | Engine cooling water temperature control device |
| JP2005220772A (en) * | 2004-02-03 | 2005-08-18 | Kuzee:Kk | Engine cooling device |
| CN103867617A (en) * | 2014-03-06 | 2014-06-18 | 东风富士汤姆森调温器有限公司 | Commercial vehicle thermostat for arranging hydraulic retarder |
| CN103867285A (en) * | 2014-03-06 | 2014-06-18 | 东风富士汤姆森调温器有限公司 | Retarder cooling system |
| CN204041201U (en) * | 2014-06-24 | 2014-12-24 | 东风富士汤姆森调温器有限公司 | Commercial car joins retarder flow control valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398432A (en) * | 2015-11-30 | 2016-03-16 | 宁波华盛汽车部件有限公司 | Control system and method for hydrodynamic retarder |
| CN105545453A (en) * | 2016-02-25 | 2016-05-04 | 茹咪娜 | Durable thermostat |
| CN106014592A (en) * | 2016-02-25 | 2016-10-12 | 茹咪娜 | Straight-through type thermostat |
| CN109538945A (en) * | 2018-12-17 | 2019-03-29 | 东风富士汤姆森调温器有限公司 | Universal vehicle-mounted fuel systems leak detecting device |
| CN109538945B (en) * | 2018-12-17 | 2023-10-27 | 东风富士汤姆森调温器有限公司 | Universal type vehicle-mounted fuel system leakage detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104100352B (en) | 2016-10-05 |
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