CN208686856U - Hydraulic retarder cooling system - Google Patents
Hydraulic retarder cooling system Download PDFInfo
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- CN208686856U CN208686856U CN201820594846.6U CN201820594846U CN208686856U CN 208686856 U CN208686856 U CN 208686856U CN 201820594846 U CN201820594846 U CN 201820594846U CN 208686856 U CN208686856 U CN 208686856U
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- hydraulic retarder
- radiator
- refrigerant
- cooling system
- fluid reservoir
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Abstract
A kind of hydraulic retarder cooling system disclosed in the utility model, comprising: radiator, fluid reservoir and hydraulic retarder, fluid reservoir import is connected to radiator outlet, for storing refrigerant；Hydraulic retarder entrance and fluid reservoir outlet, outlet are connected to radiator inlet.Hydraulic retarder cooling system and method given by the utility model, the radiator for being exclusively used in hydraulic retarder is set, and using the refrigerant of fluid reservoir storage hydraulic retarder, increases the reserves of refrigerant, the heating rate for reducing refrigerant, extends the continuous braking time of hydraulic retarder；When refrigerant temperature is higher than setting threshold values, the circulating pump in parallel with hydraulic retarder is opened, the circulation rate and flow of refrigerant is increased, improves the radiating efficiency of system, it is ensured that the braking ability of hydraulic retarder；It is set to the blower of radiator side by opening, the heat exchanger effectiveness of radiator, the cooling effect of further lifting system can be increased.
Description
Technical field
This application involves automotive field more particularly to a kind of hydraulic retarder cooling systems.
Background technique
As a kind of auxiliary braking means, application on heavy vehicles just gradually increases existing hydraulic retarder.Equip liquid
During lower long slope, by using hydraulic retarder, making for service brake can be greatly decreased in the vehicle of damper
With guaranteeing that service brake remains good state, so that it is guaranteed that traffic safety.
Hydraulic retarder can generate heat when working, it is therefore desirable to radiate.And it is situated between in its cooling system as work
The refrigerant of matter is one of the principal element for determining hydraulic retarder performance, and hydraulic retarder braking torque is from refrigerant and slowly
The interaction of device stator and rotor converts the kinetic energy of rotor to the thermal energy of refrigerant.In the hydraulic retarder course of work, refrigerant is inhaled
Temperature can increase after receiving the kinetic energy of rotor, and viscosity reduces, and the braking ability of hydraulic retarder can thus reduced.It therefore is guarantor
The normal work for demonstrate,proving retarder, need to distribute in time the refrigerant thermal energy that kinetic energy is transformed.Thus, it is equipped with hydraulic retarder
Vehicle usually require be equipped with hydraulic retarder cooling system.
And there is biggish kinetic energy in practical operation, when heavy vehicle stroke, and using in hydraulic retarder braking process, liquid
The thermal energy power that damper generates is frequently larger than the heat radiation power of existing cooling system, so that liquid is cold in hydraulic retarder
The constant temperature of matchmaker increases, and causes the failure of hydraulic retarder to prevent that refrigerant temperature is excessively high, hydraulic retarder has to drop
Low gear temporarily ceases work.
Summary of the invention
The present invention provides a kind of hydraulic retarder cooling system, it is intended to solve that existing hydraulic retarder radiating efficiency is low to ask
Topic.
A kind of hydraulic retarder cooling system, comprising:
Radiator；
Fluid reservoir, the fluid reservoir import is connected to the radiator outlet, for storing refrigerant；
Hydraulic retarder, the hydraulic retarder entrance and the fluid reservoir outlet, outlet enter with the radiator
Mouth connection.
The hydraulic retarder cooling system, wherein further include the circulating pump in parallel with the hydraulic retarder.
The hydraulic retarder cooling system, wherein the hydraulic retarder outlet end is equipped with temperature sensor, also wraps
The controller being electrically connected with the temperature sensor is included, the controller is electrically connected with the circulating pump, for controlling its start and stop.
The hydraulic retarder cooling system, wherein the hydraulic retarder outlet end, which is equipped with, prevents coolant backflow
First check-valve.
The hydraulic retarder cooling system, wherein the circulating-pump outlet end is equipped with for preventing coolant backflow
Second check-valve.
The hydraulic retarder cooling system, wherein the radiator side is equipped with blower, the blower and the control
Device electrical connection processed.
The hydraulic retarder cooling system, wherein further include that the hydraulic retarder being electrically connected with the controller is opened
Pass or brake system sensor.
The hydraulic retarder cooling system, wherein be additionally provided with exhaust valve at the radiator inlet.
A kind of hydraulic retarder cooling means, comprising steps of
When detecting that target vehicle is braked, the fluid power that control is connected between fluid reservoir outlet and radiator inlet hinders
Buddhist nun's device is opened；
Hydraulic retarder discharge-end temperature is obtained, judges whether the temperature reaches threshold values, if so, controlling the fluid power resistance
The circulating pump of Buddhist nun's device parallel connection is opened；If it is not, then controlling the circulation pump.
The hydraulic retarder cooling system, wherein when the hydraulic retarder outlet temperature is higher than the threshold values
When, further include the blower unlatching for controlling the radiator side, when the temperature is lower than the threshold values, controls the blower and close
It closes.
Hydraulic retarder cooling system and method given by the present invention, setting are exclusively used in the radiator of hydraulic retarder,
And using the refrigerant of fluid reservoir storage hydraulic retarder, increases the reserves of refrigerant, reduce the heating rate of refrigerant, extend fluid power
The continuous braking time of damper；When refrigerant temperature is higher than setting threshold values, the circulating pump in parallel with hydraulic retarder is opened, is increased
The big circulation rate and flow of refrigerant, improves the radiating efficiency of system, it is ensured that the braking ability of hydraulic retarder；Pass through
The blower for being set to radiator side is opened, the heat exchanger effectiveness of radiator, the cooling effect of further lifting system can be increased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hydraulic retarder cooling system in the embodiment of the present invention one；
Fig. 2 is the flow chart of hydraulic retarder cooling means in the embodiment of the present invention two.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.
Embodiment one
A kind of hydraulic retarder cooling system provided by the present embodiment, as shown in Figure 1, including radiator 1, with radiator
The fluid reservoir 6 of 1 outlet end connection, and hydraulic retarder 5 of the connection between the outlet of fluid reservoir 6 and 1 entrance of radiator.Its
In, the outlet of radiator 1 is connected to the entrance of fluid reservoir 6, and the outlet of fluid reservoir 6 is connected to the entrance of hydraulic retarder 5, fluid power
The outlet of damper 5 is connected to the entrance of radiator 1 again, is thus formed the cooling closing of refrigerant circulation as shown in Figure 1 and is returned
Road, wherein arrow is the flow direction of refrigerant.It, can be by the low temperature cold in its inlet sucking fluid reservoir 6 when hydraulic retarder 5 works
Matchmaker, low temperature refrigerant flows into after the heating of hydraulic retarder 5 from its outlet discharge, then by the entrance of radiator 1, by radiator
After 1 is cooling, low temperature refrigerant flows back into fluid reservoir 6 again.
When vehicle is chronically at on-position, refrigerant temperature can be gradually increasing, and reduce the work effect of hydraulic retarder 5
Rate.In order to solve this problem, the present embodiment is also provided between the outlet of fluid reservoir 6 and the entrance of radiator 1 hinders with fluid power
The circulating pump 7 in parallel of Buddhist nun's device 5, wherein the outlet of circulating pump 7 suction side and fluid reservoir 6, ejection end enter with radiator 1
Mouth connection.When 5 low gear of hydraulic retarder works or stops working in order to prevent, the refrigerant of 7 ejection end of circulating pump flows backward into liquid
Damper 5 is also provided with first check-valve 8 between the outlet of hydraulic retarder 5 and 7 connection position of circulating pump.First non-return
Valve 8 is check valve, prevents refrigerant from flowing backward.Similarly, when circulating pump 7 is closed in order to prevent, the high temperature of the outlet of hydraulic retarder 5 outflow
Refrigerant flows backward to 7 spout of circulating pump, is equipped with second check-valve 9 in 7 exit of circulating pump.
For the heat exchange efficiency for increasing radiator 1, it is provided with blower 2 in the side of 1 face heat-transfer surface of radiator, passes through blower
2 increase the air velocity on 1 surface of radiator, to increase its heat exchange efficiency.Specifically, this system include respectively with circulating pump
7 and the controller 3 that is electrically connected of blower 2, the exit of hydraulic retarder 5 is equipped with the temperature sensing being electrically connected with the controller 3
Device 10, when controller 3 is more than reservation threshold by the temperature in collected 5 exit of hydraulic retarder of temperature sensor 10,
3 control loop of controller pump 7 and blower 2 are opened, and the heat exchange efficiency of system is increased.
In order to open hydraulic retarder 5 in time, controller 3 and the sensor 4 of brake and drive system for vehicle with tow are also electrically connected by this system
It connects, when vehicle carries out brake, controller 3 detects that brake system is opened by sensor 4, and controller 3 controls fluid power
Damper 5 is opened.In the application other embodiments, controller 3 can also be electrically connected with the switch of hydraulic retarder 5, in this way
The start and stop of switch active control hydraulic retarder 5 can be passed through.When hydraulic retarder 5 is run, as refrigerant temperature increases, in
The some gases contained can discharge to form bubble, have some setbacks if will lead to its flowing containing excessive bubble in refrigerant, in order to
It solves the problems, such as this, is also provided with exhaust valve 11 in the inlet of radiator 1, which is automatic exhaust steam valve, can be automatic
Gas in discharge line.
Embodiment two
The present embodiment is a kind of hydraulic retarder cooling means of one cooling system of corresponding embodiment, as shown in Fig. 2, including
Step:
S10, beginning.
S20, when detecting that target vehicle is braked, control hydraulic retarder is opened.
Wherein, whether detection target vehicle slows down and brakes, specifically by controlling and receiving the sensor of brake and drive system for vehicle with tow
The pressure signal of detection, when brake system is opened, the pressure value that sensor detects can be more than predetermined value, therefore, control inspection
The pressure value for measuring sensor is more than predetermined value, then shows that brake system is opened, controller controls hydraulic retarder and starts to work.
S30, the temperature for obtaining hydraulic retarder exit.
Controller, which passes through, to be arranged in the temperature sensor in hydraulic retarder exit and obtains temperature value at this.
S40, it is controlled according to hydraulic retarder outlet temperature works by corresponding gear.
Wherein, controller can control it according to suitable gear work according to the refrigerant temperature that hydraulic retarder exit is flowed out
Make, for example, controller detect hydraulic retarder outlet temperature be more than predetermined value when, to prevent temperature is excessively high from fluid power being caused to hinder
The failure of Buddhist nun's device, control hydraulic retarder work according to low gear；Otherwise when detecting temperature lower than predetermined value, it is controlled by high gear
Position operation.
Whether S50, the temperature for judging hydraulic retarder outlet end are more than preset threshold, if so, S60 is entered step, if
Otherwise S70 is entered step.
S60, control loop Pumps & Fans are opened.
Controller control loop pump and blower are opened, and the cooling efficiency of refrigerant is accelerated.
Circulating pump increases the speed that refrigerant in fluid reservoir enters in radiator, so that the cooling velocity of refrigerant is mentioned
It rises.Blower accelerates the air velocity in radiator heat-dissipation face, the heat exchanger effectiveness of heat radiation device.
S70, end.The above steps are repeated S10-S70.
Hydraulic retarder cooling system and method given by the present invention, setting are exclusively used in the radiator of hydraulic retarder,
And using the refrigerant of fluid reservoir storage hydraulic retarder, increases the reserves of refrigerant, reduce the heating rate of refrigerant, extend fluid power
The continuous braking time of damper；When refrigerant temperature is higher than setting threshold values, the circulating pump in parallel with hydraulic retarder is opened, is increased
The big circulation rate and flow of refrigerant, improves the radiating efficiency of system, it is ensured that the braking ability of hydraulic retarder；Pass through
The blower for being set to radiator side is opened, the heat exchanger effectiveness of radiator, the cooling effect of further lifting system can be increased.
The foregoing is a further detailed description of the present application in conjunction with specific implementation manners, and it cannot be said that this Shen
Specific implementation please is only limited to these instructions.For those of ordinary skill in the art to which this application belongs, it is not taking off
Under the premise of from the present application design, a number of simple deductions or replacements can also be made.
Claims (8)
1. a kind of hydraulic retarder cooling system characterized by comprising
Radiator；
Fluid reservoir, the fluid reservoir import is connected to the radiator outlet, for storing refrigerant；
Hydraulic retarder, the hydraulic retarder entrance and the fluid reservoir outlet, outlet connect with the radiator inlet
It is logical.
2. hydraulic retarder cooling system as described in claim 1, which is characterized in that further include with the hydraulic retarder simultaneously
The circulating pump of connection.
3. hydraulic retarder cooling system as claimed in claim 2, which is characterized in that the hydraulic retarder outlet end is equipped with
Temperature sensor further includes the controller being electrically connected with the temperature sensor, and the controller is electrically connected with the circulating pump,
For controlling its start and stop.
4. hydraulic retarder cooling system as claimed in claim 2, which is characterized in that the hydraulic retarder outlet end is equipped with
Prevent the first check-valve of coolant backflow.
5. hydraulic retarder cooling system as claimed in claim 2, which is characterized in that the circulating-pump outlet end is equipped with and is used for
Prevent the second check-valve of coolant backflow.
6. hydraulic retarder cooling system as claimed in claim 3, which is characterized in that the radiator side is equipped with blower,
The blower is electrically connected with the controller.
7. hydraulic retarder cooling system as claimed in claim 3, which is characterized in that further include being electrically connected with the controller
Hydraulic retarder switch or brake system sensor.
8. hydraulic retarder cooling system as described in claim 1, which is characterized in that the row of being additionally provided at the radiator inlet
Air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594846.6U CN208686856U (en) | 2018-04-24 | 2018-04-24 | Hydraulic retarder cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594846.6U CN208686856U (en) | 2018-04-24 | 2018-04-24 | Hydraulic retarder cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN208686856U true CN208686856U (en) | 2019-04-02 |
Family
ID=65876757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820594846.6U Active CN208686856U (en) | 2018-04-24 | 2018-04-24 | Hydraulic retarder cooling system |
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| CN (1) | CN208686856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443371A (en) * | 2018-04-24 | 2018-08-24 | 三都苍泰科技有限公司 | Hydraulic retarder cooling system and method |
-
2018
- 2018-04-24 CN CN201820594846.6U patent/CN208686856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443371A (en) * | 2018-04-24 | 2018-08-24 | 三都苍泰科技有限公司 | Hydraulic retarder cooling system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210115 Address after: 550000 factory building F03 in purse seine area, No. 299, Zongbao Road, Guiyang comprehensive free trade zone, Guiyang City, Guizhou Province Patentee after: Guiyang Litian Cangtai Technology Co.,Ltd. Address before: Jiaoli Industrial Park, Sandu Shui Autonomous County, Qianxinan Buyi and Miao Autonomous Prefecture, Guizhou Province Patentee before: SANDU CANGTAI TECHNOLOGY Co.,Ltd. |