JPH0244559U - - Google Patents
Info
- Publication number
- JPH0244559U JPH0244559U JP12349688U JP12349688U JPH0244559U JP H0244559 U JPH0244559 U JP H0244559U JP 12349688 U JP12349688 U JP 12349688U JP 12349688 U JP12349688 U JP 12349688U JP H0244559 U JPH0244559 U JP H0244559U
- Authority
- JP
- Japan
- Prior art keywords
- brake operation
- pressure side
- braking torque
- detecting
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 4
- 238000005086 pumping Methods 0.000 claims 1
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案の構成を説明するブロツク図、
第２図は本考案の一実施例を示す構成図、第３図
は同上実施例のブレーキ制御を説明するフローチ
ヤート、第４図はフートブレーキ系におけるエア
圧と制動トルクとの関係を示す図、第５図は排気
ブレーキ系におけるエア圧と制動トルクとの関係
を示す図、第６図は制動トルク一定としたときの
ポンプモータ流量と差圧との関係を示す図、第７
図は所定の差圧のときの制動トルクＴに対応する
ポンプモータ流量値を示す図、第８図はポンプモ
ータ流量と斜板駆動電流との関係を示す図である
。
１……エンジン本体、２……エンジンクラツチ
、３……トランスミツシヨン、４……プロペラシ
ヤフト、５……終減速装置、６……車輪、７……
電磁クラツチ、８……ポンプモータ、９……第１
電磁弁、１０……低圧油路、１１……低圧側アキ
ユムレータ、１２……第２電磁弁、１３……高圧
油路、１４……高圧側アキユムレータ、３２……
第３電磁弁、３３……第４電磁弁、３５……コン
トロールユニツト、３６……車速センサ ３８〜
４１……圧力センサ、４２……斜板駆動装置、４
３……第５電磁弁。
Figure 1 is a block diagram explaining the configuration of the present invention.
Fig. 2 is a configuration diagram showing an embodiment of the present invention, Fig. 3 is a flowchart explaining brake control of the same embodiment, and Fig. 4 is a diagram showing the relationship between air pressure and braking torque in the foot brake system. , Figure 5 is a diagram showing the relationship between air pressure and braking torque in the exhaust brake system, Figure 6 is a diagram showing the relationship between pump motor flow rate and differential pressure when braking torque is constant, and Figure 7 is a diagram showing the relationship between pump motor flow rate and differential pressure when braking torque is constant.
The figure shows the pump motor flow rate value corresponding to the braking torque T at a predetermined differential pressure, and FIG. 8 shows the relationship between the pump motor flow rate and the swash plate drive current. 1... Engine body, 2... Engine clutch, 3... Transmission, 4... Propeller shaft, 5... Final reduction gear, 6... Wheels, 7...
Electromagnetic clutch, 8...Pump motor, 9...1st
Solenoid valve, 10...Low pressure oil passage, 11...Low pressure side accumulator, 12...Second solenoid valve, 13...High pressure oil passage, 14...High pressure side accumulator, 32...
Third solenoid valve, 33...Fourth solenoid valve, 35...Control unit, 36...Vehicle speed sensor 38~
41...Pressure sensor, 42...Swash plate drive device, 4
3...Fifth solenoid valve.
Claims (1)
を連結してポンプとして動作させ、低圧側アキユ
ムレータ内のオイルを高圧側アキユムレータ内に
圧送して蓄圧することにより、ブレーキエネルギ
を回収する構成のブレーキエネルギ回生装置にお
いて、ブレーキ操作検出手段と、前記高圧側及び
低圧側アキユムレータの各油圧を検出する油圧検
出手段と、ブレーキ操作により発生するブレーキ
作動出力を検出するブレーキ作動出力検出手段と
、該ブレーキ作動出力検出手段で検出された出力
値に基づいて要求制動トルクを演算する要求制動
トルク演算手段と、該要求制動トルク演算手段の
演算値と前記油圧検出手段の検出値から算出した
高圧側と低圧側との差圧とに基づき前記ポンプモ
ータの流量を前記要求制動トルクに見合うよう制
御するポンプモータ流量制御手段とを備えたこと
を特徴とするブレーキエネルギ回生装置。 Brake energy regeneration is configured to recover brake energy by connecting a pump motor to the vehicle's wheel drive system and operating it as a pump when the vehicle decelerates, and pumping the oil in the low-pressure side accumulator to the high-pressure side accumulator and accumulating the pressure. In the device, a brake operation detection means, a hydraulic pressure detection means for detecting each hydraulic pressure of the high pressure side and low pressure side accumulator, a brake operation output detection means for detecting a brake operation output generated by the brake operation, and a brake operation output detection means for detecting the brake operation output. a required braking torque calculating means for calculating a required braking torque based on an output value detected by the means; and a high pressure side and a low pressure side calculated from the calculated value of the required braking torque calculating means and the detected value of the oil pressure detecting means. and pump motor flow rate control means for controlling the flow rate of the pump motor to match the required braking torque based on the differential pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12349688U JPH068900Y2 (en) | 1988-09-22 | 1988-09-22 | Brake energy regeneration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12349688U JPH068900Y2 (en) | 1988-09-22 | 1988-09-22 | Brake energy regeneration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0244559U true JPH0244559U (en) | 1990-03-27 |
| JPH068900Y2 JPH068900Y2 (en) | 1994-03-09 |
Family
ID=31372406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12349688U Expired - Lifetime JPH068900Y2 (en) | 1988-09-22 | 1988-09-22 | Brake energy regeneration device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068900Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6423297B2 (en) * | 2015-03-20 | 2018-11-14 | 千代田化工建設株式会社 | BOG processing equipment |
| KR102735561B1 (en) * | 2022-05-17 | 2024-11-29 | 경북대학교 산학협력단 | Oil cooler type braking system |
-
1988
- 1988-09-22 JP JP12349688U patent/JPH068900Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068900Y2 (en) | 1994-03-09 |
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