CN219115424U - Dual-channel hydraulic booster system - Google Patents
Dual-channel hydraulic booster system Download PDFInfo
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- CN219115424U CN219115424U CN202223563149.XU CN202223563149U CN219115424U CN 219115424 U CN219115424 U CN 219115424U CN 202223563149 U CN202223563149 U CN 202223563149U CN 219115424 U CN219115424 U CN 219115424U
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Abstract
The utility model discloses a double-channel hydraulic booster system which comprises an oilcan, a brake master cylinder, a first hydraulic booster component and a second hydraulic booster component. The beneficial effects of the utility model are as follows: through being provided with two hydraulic power assist assembly, can provide sufficient braking liquid demand and brake pressure, it is effective to ensure the brake helping hand, and start and stop control to many power supplies, be provided with first pressure sensor, detect the delivery pressure of first helping hand power supply and whether the pressure variation that detects through first pressure sensor's pressure variation is unanimous, with system hardware and the pencil connection that can judge first helping hand power supply are correct, be provided with second pressure sensor, detect the delivery pressure of first helping hand power supply and whether the pressure variation that detects is unanimous through the pressure variation of second pressure sensor, with system hardware and the pencil connection that can judge first helping hand power supply are correct, avoid leading to unable control pressure because the pencil connects wrong, cause the system to lose efficacy.
Description
Technical Field
The utility model relates to a booster system, in particular to a double-channel hydraulic booster system, and belongs to the technical field of braking of motor vehicles.
Background
Existing hydraulic booster systems are generally divided into two main categories: the first type is that no energy is stored, a motor drives a power-assisted transmission mechanism immediately and then pushes a brake master cylinder to realize a power-assisted function; the second type is to have an energy storage, and the motor is operated intermittently to supplement the energy storage pressure. The power assisting is realized by driving a power assisting valve core to release high-pressure brake fluid with certain pressure through the force transmitted by a brake pedal.
The two types of hydraulic boosters mainly aim at the vehicle type with the mass of less than 3 tons, do not relate to 4 tons to 6 tons, even 8 tons of vehicle types, and for the vehicle type with larger ton, a brake system of the hydraulic booster needs to provide enough brake liquid required amount and brake pressure, so that a double-energy-storage and double-booster valve core structure is needed, but based on the prior art, the situation that the hardware, the wire harness and the like adopting the double-energy-storage and double-booster valve core structure are easy to be misconnected is caused, and the system is further caused to fail.
Disclosure of Invention
The present utility model aims to solve at least one of the above-mentioned technical problems by providing a dual-channel hydraulic booster system.
The utility model realizes the above purpose through the following technical scheme: a dual channel hydraulic booster system comprising
An oilcan for storing a brake fluid;
the brake master cylinder is used for pushing brake fluid to be transmitted to each brake power assisting component and is connected with the oil pot through a communicating pipeline, and a brake piston of the brake master cylinder is connected with a brake pedal through a connecting rod;
the first hydraulic power assisting assembly forms a first hydraulic power assisting channel of the booster system and comprises a first power assisting power source and a first booster, wherein one input end of the first booster is communicated with the first power assisting power source through a high-pressure pipeline, the other input end of the first booster is communicated with a brake master cylinder, and the output end of the first booster is communicated with the brake system through the high-pressure pipeline;
the second hydraulic power assisting assembly forms a second hydraulic power assisting channel of the booster system and comprises a second power assisting power source and a second booster, wherein one input end of the second booster is communicated with the second power assisting power source through a high-pressure pipeline, the other input end of the second booster is communicated with a brake master cylinder, and the output end of the second booster is communicated with the brake system through the high-pressure pipeline.
As still further aspects of the utility model: the first power assisting power source and the second power assisting power source both transmit power assisting pressure through motor actions.
As still further aspects of the utility model: and a first pressure sensor is arranged on a high-pressure pipeline connected between the first booster and the first booster power source.
As still further aspects of the utility model: and a second pressure sensor is arranged on a high-pressure pipeline connected between the second booster and the second pressure sensor.
As still further aspects of the utility model: the first power assisting source and the second power assisting source are respectively communicated with the oilcan through low-pressure pipelines.
As still further aspects of the utility model: the high-pressure pipeline connected with the first auxiliary power source and the second auxiliary power source is not connected with each other.
As still further aspects of the utility model: the first power assisting power source and the second power assisting power source are mutually safe backups.
The beneficial effects of the utility model are as follows: through being provided with two hydraulic power assist assembly, can provide sufficient braking liquid demand and brake pressure, it is effective to ensure the brake helping hand, and start and stop control to many power supplies, be provided with first pressure sensor, detect the delivery pressure of first helping hand power supply and whether the pressure variation that detects through first pressure sensor's pressure variation is unanimous, with system hardware and the pencil connection that can judge first helping hand power supply are correct, be provided with second pressure sensor, detect the delivery pressure of first helping hand power supply and whether the pressure variation that detects is unanimous through the pressure variation of second pressure sensor, with system hardware and the pencil connection that can judge first helping hand power supply are correct, avoid leading to unable control pressure because the pencil connects wrong, cause the system to lose efficacy.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of ECU control according to the present utility model.
In the figure: 1. oilcan, 2, brake master cylinder, 3, first helping hand power supply, 4, first booster, 5, first pressure sensor, 6, second helping hand power supply, 7, second booster, 8, second pressure sensor, 9, braking system.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in FIG. 1, a dual channel hydraulic booster system includes
An oilcan 1 for storing a brake fluid;
a brake master cylinder 2 for pushing brake fluid to be transmitted to each brake booster component, and connected with the oil can 1 through a communicating pipe, and a brake piston of the brake master cylinder 2 is connected with a brake pedal through a connecting rod;
the first hydraulic power assisting assembly forms a first hydraulic power assisting channel of the booster system and comprises a first power assisting power source 3 and a first booster 4, wherein one input end of the first booster 4 is communicated with the first power assisting power source 3 through a high-pressure pipeline, the other input end of the first booster 4 is communicated with the brake master pump 2, and the output end of the first booster 4 is communicated with the brake system 9 through a high-pressure pipeline;
the second hydraulic power assisting component forms a second hydraulic power assisting channel of the booster system and comprises a second power assisting power source 6 and a second booster 7, one input end of the second booster 7 is communicated with the second power assisting power source 6 through a high-pressure pipeline, the other input end of the second booster 7 is communicated with the brake master cylinder 2, and the output end of the second booster 7 is communicated with the brake system 9 through a high-pressure pipeline.
Example two
In addition to all the technical features in the first embodiment, the present embodiment further includes:
the first power assisting power source 3 and the second power assisting power source 6 both transmit power assisting pressure through motor actions.
The first pressure sensor 5 is installed on the high-pressure pipeline connected between the first booster 4 and the first booster power source 3, and whether the conveying pressure of the first booster power source 3 is consistent with the detected pressure change or not is detected through the pressure change of the first pressure sensor 5, so that the system hardware of the first booster power source 3 and the connection of the wire harness can be judged to be correct.
The second pressure sensor 8 is installed on the high-pressure pipeline connected between the second booster 7 and the second pressure sensor 8, and whether the conveying pressure of the first booster power source 3 is consistent with the detected pressure change is detected through the pressure change of the second pressure sensor 8, so that the system hardware of the first booster power source 3 and the connection of the wire harness can be judged to be correct.
The first power assisting source 3 and the second power assisting source 6 are respectively communicated with the oilcan 1 through low-pressure pipelines.
The high-pressure pipelines connected with the first power assisting source 3 and the second power assisting source 6 are not connected with each other.
The first power assisting power source 3 and the second power assisting power source 6 are mutually safe backups.
Example III
As shown in fig. 2, a dual-channel hydraulic booster system, the connection error-proofing method comprises the following steps:
1, controlling the action and stop of the power assisting source 1 by collecting the pressure of the pressure sensor 1;
2, controlling the action and stop of the power assisting source 2 by collecting the pressure of the pressure sensor 2;
3, the high-pressure pipelines of the power assisting source 1 and the power assisting source 2 are not connected with each other;
4, after the connection of the system hardware and the control wire harness is completed, entering an ECU debugging mode, independently controlling the motor of the power source 1 to act, detecting the pressure change of the pressure sensor P1, and if the action of the motor 1 is consistent with the pressure change of the P1, indicating that the connection of the system hardware and the wire harness of the power source 1 is correct;
5, similarly, independently controlling the motor of the power source 2 to act, detecting the pressure change of the pressure sensor P2, and if the motor 2 acts and the pressure change of the pressure sensor P2 are consistent, indicating that the system hardware of the power source 2 and the wire harness are connected correctly;
6, if the motor action cannot correspond to the pressure change of the pressure sensor, the motor cannot act again in the current ECU debugging mode; unless the ECU is powered down and then powered up again, the ECU enters an ECU debugging mode again, and the motor can act for a short time to detect whether the system is connected correctly;
and after the system connection is confirmed to be correct, the system can exit the debugging mode, and the ECU enters a normal working mode.
Working principle: aiming at the multichannel booster, the ECU automatically judges whether the system and the wire harness are connected correctly or not through signals acquired by different pins, and has an error proofing function.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A dual channel hydraulic booster system, characterized by: comprising
An oil can (1) for storing a brake fluid;
the brake master cylinder (2) is used for pushing brake fluid to be transmitted to each brake power assisting component and is connected with the oil pot (1) through a communicating pipeline, and a brake piston of the brake master cylinder (2) is connected with a brake pedal through a connecting rod;
the first hydraulic power assisting assembly forms a first hydraulic power assisting channel of the booster system and comprises a first power assisting power source (3) and a first booster (4), one input end of the first booster (4) is communicated with the first power assisting power source (3) through a high-pressure pipeline, the other input end of the first booster (4) is communicated with a brake master cylinder (2), and the output end of the first booster (4) is communicated with a brake system (9) through a high-pressure pipeline;
the second hydraulic power assisting assembly forms a second hydraulic power assisting channel of the booster system and comprises a second power assisting power source (6) and a second booster (7), one input end of the second booster (7) is communicated with the second power assisting power source (6) through a high-pressure pipeline, the other input end of the second booster (7) is communicated with a brake master cylinder (2), and the output end of the second booster (7) is communicated with a brake system (9) through the high-pressure pipeline.
2. A dual channel hydraulic booster system according to claim 1, characterized in that: the first power assisting power source (3) and the second power assisting power source (6) both transmit power assisting pressure through motor actions.
3. A dual channel hydraulic booster system according to claim 1, characterized in that: a first pressure sensor (5) is arranged on a high-pressure pipeline connected between the first booster (4) and the first booster power source (3).
4. A dual channel hydraulic booster system according to claim 1, characterized in that: and a second pressure sensor (8) is arranged on a high-pressure pipeline connected between the second booster (7) and the second pressure sensor (8).
5. A dual channel hydraulic booster system according to claim 1, characterized in that: the first power assisting source (3) and the second power assisting source (6) are respectively communicated with the oilcan (1) through low-pressure pipelines.
6. A dual channel hydraulic booster system according to claim 1, characterized in that: the high-pressure pipelines connected with the first power assisting source (3) and the second power assisting source (6) are not connected with each other.
7. A dual channel hydraulic booster system according to claim 1, characterized in that: the first power assisting power source (3) and the second power assisting power source (6) are mutually safe backups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223563149.XU CN219115424U (en) | 2022-12-30 | 2022-12-30 | Dual-channel hydraulic booster system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223563149.XU CN219115424U (en) | 2022-12-30 | 2022-12-30 | Dual-channel hydraulic booster system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219115424U true CN219115424U (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223563149.XU Active CN219115424U (en) | 2022-12-30 | 2022-12-30 | Dual-channel hydraulic booster system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219115424U (en) |
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2022
- 2022-12-30 CN CN202223563149.XU patent/CN219115424U/en active Active
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