CN208881780U - A kind of anti-skid brake system (ABS) on-Line Monitor Device - Google Patents
A kind of anti-skid brake system (ABS) on-Line Monitor Device Download PDFInfo
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- CN208881780U CN208881780U CN201821183703.2U CN201821183703U CN208881780U CN 208881780 U CN208881780 U CN 208881780U CN 201821183703 U CN201821183703 U CN 201821183703U CN 208881780 U CN208881780 U CN 208881780U
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Abstract
The utility model discloses a kind of anti-skid brake system (ABS) on-Line Monitor Devices, it is arranged in anti-skid brake system (ABS), and it is connect with computer, including sensor unit, valve testing current unit, data acquisition unit, the output end of the sensor unit and the output end of valve testing current unit are connect with the input terminal of data acquisition unit respectively, and the output end of the data acquisition unit is connect with computer.The utility model can be when doing the experiment of anti-skid brake system (ABS) normal procedure, test the major parameters such as brake system temperature, pressure and electric current, it can compensate for internal loss, the included conditioning circuit in inside, the zero-bit that temperature and time accumulation is generated is elegant and gain offsets are offset, servo valve brake line port pressure can accurately be measured, valve testing current unit returns to zero and demarcates using operational amplifier circuit built-in potential meter, interference signal caused by External cable and temperature drift, the electric current of precise measurement servo valve brake line port can be removed.
Description
Technical field
The utility model relates to monitoring technical fields of braking, and are a kind of anti-skid brake system (ABS) on-line monitoring dresses specifically
It sets.
Background technique
Anti-skid brake system (ABS) is the important airborne equipment of aircraft, and it is dynamic to absorb aircraft in aircraft landing and starting heats stage
Can, brake pressure is automatically adjusted according to runway surface state at that time, shortens ground run distance, improves braking efficiency.With aviation work
The development of industry, aircraft weight are gradually increased with speed, and aircraft is sliding when running, and kinetic energy is gradually increased, the safe landing of aircraft with leap
Come more dependent on anti-skid brake system (ABS), the safety that the safety and reliability of anti-skid brake system (ABS) is directly related to aircraft makes a return voyage,
Continue fight capability and adaline field energy power.Therefore anti-skid brake system (ABS) test equipment aircraft manufacturing, maintenance, in terms of
Essential, developing the anti-skid brake system (ABS) test equipment that one is suitable for this type has very important meaning.
Currently, anti-skid brake system (ABS) test equipment is broadly divided into two classes by test site: one kind is for checking before installing
System reliability, the equipment provide hydraulic power source, by emulating all kinds of input signals, working condition on analog machine, check brakes system
Whether function, performance meet the requirements；The another kind of positioning for check brakes system performance index and fault point after installing, will prevent
Sliding brake system detection work incorporates field maintenance ancillary equipment, using anti-skid brake system (ABS) is joined on sensor harvester on machine
Number, judges whether anti-skid brake system (ABS) performance is normal.
The tackling key problem of all kinds of failures of anti-skid brake system (ABS) is found for many years according to company, environmental change is to antiskid brake on machine
Systematic influence is very big, checked before installing cannot environment completely on analog machine, cause system reliability to check defective.And it is live
Auxiliary apparatus for repairing is to judge whether the functional performance of brake meets the requirements by parameter on harvester, due to by braking on machine
System parameter is not complete and parameter extraction position improperly influences, and can not provide accurate braking parameters, brake cannot be accurately positioned
System failure point.
The problem of encountering is specific as follows:
1. hydrostatic sensor collection point not can accurately reflect brake pressure far from servo valve brake line port pressure point on machine
Force parameter；
2. brake pipe terminal lacks temperature sensor on machine, the oil temperature of servo valve brake line port at that time cannot be tested；
3. field maintenance ancillary equipment can only test servo valve driving voltage, servo valve load resistance is measured by avometer
Driving current is pushed over, due to being influenced servo valve resistance variations by oil temperature, not can accurately reflect servo valve driving current.
Utility model content
The purpose of this utility model is to provide a kind of anti-skid brake system (ABS) on-Line Monitor Devices, are doing anti-skid brake system (ABS)
When normal procedure is tested, sensor unit tests the major parameters such as brake system temperature, pressure and electric current, check brakes system function
Energy, performance, complete the fault location of brake system；It is acquired in such a way that patch type temperature sensor and temperature transmitter combine
Temperature signal can compensate for internal loss, complete temperature measurement；Conditioning circuit is carried inside pressure transmitter, by temperature and time
Accumulation and generate zero-bit is elegant and gain offsets are offset, can accurately measure the pressure of servo valve brake line port；Valve electric current
Test cell can remove interference signal caused by External cable and temperature drift, the electric current of precise measurement servo valve brake line port.
The utility model is achieved through the following technical solutions: a kind of anti-skid brake system (ABS) on-Line Monitor Device, and setting is anti-
In sliding brake system, and it is connect with computer, including sensor unit, valve testing current unit, data acquisition unit, the biography
The output end of sensor cell and the output end of valve testing current unit are connect with the input terminal of data acquisition unit respectively, the number
It is connect according to the output end of acquisition unit with computer.
Further, in order to preferably realize that the utility model, the sensor unit include servo valve brake pipe terminal
Mouth, temperature transmitter and three pressure transmitters, servo valve brake line port includes temperature sensor, the temperature
Sensor is connected with temperature transmitter.
Further, in order to preferably realize the utility model, the valve testing current unit includes sampling resistor and fortune
Electric discharge road, the sampling resistor, operational amplifier circuit and data acquisition unit are sequentially connected.
Further, in order to preferably realize the utility model, the data acquisition unit includes the trapezoidal port of nine cores, institute
Sensor unit is stated to connect by the trapezoidal port of nine cores with computer.
Further, in order to preferably realize the utility model, three pressure transmitters are respectively that brake system supplies
Oil pressure power transmitter, brake line pressure transmitter, oil return line pressure transmitter, the brake system charge oil pressure pick-up
Device, brake line pressure transmitter, oil return line pressure transmitter are connect with data acquisition unit respectively.
Further, in order to preferably realize that the utility model, the temperature sensor include platinum resistance interconnected
And copper sheet, the copper sheet are fitted closely with servo valve brake line port, the platinum resistance by three-way interface with
Temperature transmitter connection, the temperature transmitter are connect with data acquisition unit.
Further, in order to preferably realize that the utility model, the operational amplifier circuit are provided with zero potentiometer and gain
Potentiometer.
Further, in order to preferably realize the utility model, three pressure transmitters settings are in hydraulic oil liquid.
Working principle:
1. brake system charge oil pressure transmitter, the brake line pressure transmitter, oil return line of the sensor unit
Millivolt signal is converted to normal voltage by internal conditioning circuit and is directly delivered to data acquisition unit by pressure transmitter.
2. the temperature of the servo valve brake line port of the platinum resistance acquisition copper sheet conduction in the temperature sensor,
Using the linear functional relation of resistance and temperature, resistance signal is transmitted to by temperature transmitter by the connection type of three-way interface
In.
3. temperature transmitter carries signal conditioning circuit, is adjusted by zero point and range is adjusted, resistance signal is converted to
Standard voltage signal is to data acquisition unit.
4. sampling resistor is transferred to operational amplifier circuit after current signal is converted to voltage signal in proportion.
5. operational amplifier circuit is internally provided with zero potentiometer and gain potentiometer, carried out using zero-regulator resistor and maximum gain
It adjusts, is changed into standard voltage signal and is used for data acquisition unit.
6. data acquisition unit is connect by the trapezoidal port of nine cores with sensor unit, valve testing current unit, through data
Sensor unit and the collected analog signal of valve testing current unit are converted into digital signal inside acquisition unit, passed through
Each railway digital signal is uploaded to computer and is analyzed and handled by usb bus.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model can test brake system temperature, pressure when doing the experiment of anti-skid brake system (ABS) normal procedure
The fault location of brake system is completed with major parameters, check brakes system functions, performance such as electric currents；
(2) the utility model temperature collection signal in such a way that patch type temperature sensor and temperature transmitter combine,
It can compensate for internal loss, complete temperature measurement；
(3) the utility model is connect by three-way interface with servo valve brake line port using pressure transmitter, internal
Included conditioning circuit, temperature and time is accumulated and the zero-bit of generation is elegant and gain offsets are offset, and can accurately measure servo valve
Brake line port pressure；
(4) the utility model valve testing current unit returns to zero and demarcates using operational amplifier circuit built-in potential meter, except capable of going
Interference signal caused by portion's cable and temperature drift, the electric current of precise measurement servo valve brake line port.
Detailed description of the invention
Fig. 1 is the system block diagram of the utility model；
Fig. 2 is the schematic diagram of the utility model sensor unit；
Fig. 3 is the schematic diagram of the utility model valve testing current unit；
Fig. 4 is the schematic diagram of the utility model data acquisition unit；
Wherein 1- sensor unit, 2- valve testing current unit, 3- data acquisition unit, 10- servo valve brake pipe terminal
Mouthful, 11- temperature sensor, 12- temperature transmitter, 13- pressure transmitter, 21- sampling resistor, 22- operational amplifier circuit, nine core of 30-
Trapezoidal port.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1:
The utility model is achieved through the following technical solutions, as shown in Figure 1, a kind of anti-skid brake system (ABS) on-line monitoring dress
It sets, setting is connect in anti-skid brake system (ABS), and with computer, including sensor unit 1, valve testing current unit 2, data are adopted
Collect unit 3, the output end of the output end of the sensor unit 1 and valve testing current unit 2 respectively with data acquisition unit 3
Input terminal connection, the output end of the data acquisition unit 3 are connect with computer.
It should be noted that by above-mentioned improvement, the utility model proposes a kind of anti-skid brake system (ABS) on-Line Monitor Device,
It is arranged in the anti-skid brake system (ABS) of aircraft, including sensor unit 1, valve testing current unit 2, data acquisition unit 3, it is described
Sensor unit 1 is connect by rigid line with data acquisition unit 3, for acquiring pressure, the oil liquid temperature of brake.Valve testing current
Unit 2 measures electrohydraulic valve actuator stream, is connect by rigid line with data acquisition unit 3, and data acquisition unit 3 is by the pressure of brake, oil
The signals such as liquid temperature, driving current are converted to digital data transmission and are analyzed and handled to computer.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 2:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, the sensor unit 1 wraps
Include servo valve brake line port 10, temperature transmitter 12 and three pressure transmitters 13, the servo valve brake pipe terminal
Mouth 10 includes temperature sensor 11, and the temperature sensor 11 and temperature transmitter 12 connect；Three pressure transmitters 13
Respectively brake system charge oil pressure transmitter, brake line pressure transmitter, oil return line pressure transmitter, the brake system
System charge oil pressure transmitter, brake line pressure transmitter, oil return line pressure transmitter connect with data acquisition unit 3 respectively
It connects；The temperature sensor 11 includes platinum resistance interconnected and copper sheet, the copper sheet and servo valve brake pipe
Road port 10 fits closely, and the platinum resistance is connect by three-way interface with temperature transmitter 12, the temperature transmitter 12 and
Data acquisition unit 3 connects；Three pressure transmitters 13 are arranged in hydraulic oil liquid.
It should be noted that the sensor unit 1 includes servo valve brake line port 10, temperature by above-mentioned improvement
Transmitter 12 and three pressure transmitters 13 are spent, the installation of three pressure transmitters 13 is consistent with connection type, only
Test point is different, respectively brake system charge oil pressure transmitter, brake line pressure transmitter, oil return line pressure inverting
Millivolt signal is converted to normal voltage by internal conditioning circuit and is directly delivered to data acquisition unit 3 by device.
The temperature sensor 11 is patch type temperature sensor, is made of platinum resistance, copper sheet and connection cable, pure
Copper foil and servo valve brake line port 10 fit closely, and platinum resistance acquires the servo valve brake pipe terminal of copper sheet conduction
The temperature of mouth 10 is transmitted resistance signal by the connection type of three-way interface using the linear functional relation of resistance and temperature
Into temperature transmitter 12.
Temperature transmitter 12 carries signal conditioning circuit, is adjusted by zero point and range is adjusted, resistance signal is converted to
Standard voltage signal is to data acquisition unit 3.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 3:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, the valve testing current unit
2 include sampling resistor 21 and operational amplifier circuit 22, and the sampling resistor 21, operational amplifier circuit 22 and data acquisition unit 3 are sequentially connected；
The operational amplifier circuit 22 is provided with zero potentiometer and gain potentiometer.
It should be noted that the valve testing current unit 2 includes sampling resistor 21 and operational amplifier circuit by above-mentioned improvement
22, the sampling resistor 21 is transferred to operational amplifier circuit 22 after current signal is converted to voltage signal in proportion.Operational amplifier circuit 22
It is internally provided with zero potentiometer and gain potentiometer, is adjusted using zero-regulator resistor and maximum gain, standard electric is changed into
Signal is pressed to use for data acquisition unit 3.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 4:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, the data acquisition unit 3
Including the trapezoidal port 30 of nine cores, the sensor unit 1 is connect by the trapezoidal port 30 of nine cores with computer.
It should be noted that the data acquisition unit 3 passes through the trapezoidal port 30 of nine cores and sensor by above-mentioned improvement
Unit 1, valve testing current unit 2 connect, as shown in figure 4, signal P1, P2, P3 are respectively brake system charge oil pressure, brake pipe
Road pressure, oil return line pressure, T are temperature signal, and V is valve current signal, and GND is signal ground.Data acquisition unit 3 passes through
Electric signal of the analog input end of AI0-AI4 respectively at each port connects, specifically: brake system charge oil pressure signal P1 and end
Mouth AI0 connection, brake line pressure signal P 2 are connect with port AI1, and oil return line pressure signal P 3 is connect with port AI2, temperature
Degree signal T is connect with port AI3, and valve current signal V is connect with port AI4, and signal ground GND is connect with AI GND.It is adopted through data
Digital signal is converted analog signals into inside collection unit 3, each railway digital signal is uploaded to by computer by usb bus and is carried out
Analysis and processing.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
Embodiment 5:
The present embodiment advanced optimizes on the basis of the above embodiments, as shown in Figure 1, by using the utility model
Anti-skid brake system (ABS) on-Line Monitor Device can do anti-skid brake system (ABS) normal procedure test when test brake system temperature,
The major parameters such as pressure and electric current, check brakes system function, performance complete the fault location of brake system；The present apparatus uses
The mode temperature collection signal of patch type temperature sensor 11 and temperature transmitter 12 can compensate for internal loss, completes temperature and surveys
Amount；Pressure transmitter 13 is connect by three-way interface with servo valve brake line port 10, the included conditioning circuit in inside, by temperature
The zero drift generated and gain offsets are offset with accumulated time, can accurately measure 10 pressure of servo valve brake line port；
Valve testing current unit 2 is returned to zero using 22 built-in potential meter of operational amplifier circuit and gain, caused by capable of removing External cable and temperature drift
Interference signal, precise measurement brake electric current.
The other parts of the present embodiment are same as the previously described embodiments, and so it will not be repeated.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (7)
1. a kind of anti-skid brake system (ABS) on-Line Monitor Device, connect with computer, it is characterised in that: including sensor unit (1),
Valve testing current unit (2), data acquisition unit (3), the output end and valve testing current unit of the sensor unit (1)
(2) output end is connect with the input terminal of data acquisition unit (3) respectively, the output end and meter of the data acquisition unit (3)
The connection of calculation machine；The sensor unit (1) includes servo valve brake line port (10), temperature transmitter (12) and three pressures
Power transmitter (13), servo valve brake line port (10) include temperature sensor (11), the temperature sensor (11)
It is connected with temperature transmitter (12).
2. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 1, it is characterised in that: the valve electric current is surveyed
Trying unit (2) includes sampling resistor (21) and operational amplifier circuit (22), and the sampling resistor (21), operational amplifier circuit (22) and data are adopted
Collection unit (3) is sequentially connected.
3. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 1, it is characterised in that: the data acquisition
Unit (3) includes the trapezoidal port of nine cores (30), and the sensor unit (1) is connected by the trapezoidal port of nine cores (30) and computer
It connects.
4. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 2, it is characterised in that: three pressure
Transmitter (13) is respectively brake system charge oil pressure transmitter, brake line pressure transmitter, oil return line pressure transmitter,
The brake system charge oil pressure transmitter, brake line pressure transmitter, oil return line pressure transmitter are adopted with data respectively
Collect unit (3) connection.
5. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 2, it is characterised in that: the temperature sensing
Device (11) includes platinum resistance interconnected and copper sheet, and the copper sheet and servo valve brake line port (10) are close
Fitting, the platinum resistance are connect by three-way interface with temperature transmitter (12), and the temperature transmitter (12) and data acquire
Unit (3) connection.
6. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 2, it is characterised in that: the operational amplifier circuit
(22) zero potentiometer and gain potentiometer are provided with.
7. a kind of anti-skid brake system (ABS) on-Line Monitor Device according to claim 4, it is characterised in that: three pressure
Transmitter (13) is arranged in hydraulic oil liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183703.2U CN208881780U (en) | 2018-07-25 | 2018-07-25 | A kind of anti-skid brake system (ABS) on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821183703.2U CN208881780U (en) | 2018-07-25 | 2018-07-25 | A kind of anti-skid brake system (ABS) on-Line Monitor Device |
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| Publication Number | Publication Date |
|---|---|
| CN208881780U true CN208881780U (en) | 2019-05-21 |
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ID=66507349
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821183703.2U Active CN208881780U (en) | 2018-07-25 | 2018-07-25 | A kind of anti-skid brake system (ABS) on-Line Monitor Device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657970A (en) * | 2019-09-27 | 2020-01-07 | 蚌埠和能信息科技有限公司 | Signal conditioning device for aircraft brake test system |
| CN110654567A (en) * | 2019-09-23 | 2020-01-07 | 刘金营 | Early education-6 airplane brake efficiency measuring device |
| CN111071478A (en) * | 2019-12-26 | 2020-04-28 | 中国航空工业集团公司北京长城航空测控技术研究所 | Health state detection method and system for aircraft hydraulic system |
| CN113219275A (en) * | 2021-04-13 | 2021-08-06 | 西安子国微科技有限公司 | Brake residual pressure detection system |
| CN113428127A (en) * | 2021-07-15 | 2021-09-24 | 西安航空制动科技有限公司 | Airplane brake system residual pressure monitoring and protecting method capable of avoiding tire explosion |
| CN113428123A (en) * | 2021-07-15 | 2021-09-24 | 西安航空制动科技有限公司 | Tire burst prevention airplane brake system and control method thereof |
| CN114070386A (en) * | 2022-01-17 | 2022-02-18 | 成都国星宇航科技有限公司 | Satellite-borne Ethernet communication system |
| CN114593104A (en) * | 2022-02-17 | 2022-06-07 | 成都飞机工业（集团）有限责任公司 | Method for decomposing and checking problem of abnormal pressure output by servo valve |
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2018
- 2018-07-25 CN CN201821183703.2U patent/CN208881780U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654567A (en) * | 2019-09-23 | 2020-01-07 | 刘金营 | Early education-6 airplane brake efficiency measuring device |
| CN110657970A (en) * | 2019-09-27 | 2020-01-07 | 蚌埠和能信息科技有限公司 | Signal conditioning device for aircraft brake test system |
| CN111071478A (en) * | 2019-12-26 | 2020-04-28 | 中国航空工业集团公司北京长城航空测控技术研究所 | Health state detection method and system for aircraft hydraulic system |
| CN111071478B (en) * | 2019-12-26 | 2021-03-05 | 中国航空工业集团公司北京长城航空测控技术研究所 | Health state detection method and system for aircraft hydraulic system |
| CN113219275A (en) * | 2021-04-13 | 2021-08-06 | 西安子国微科技有限公司 | Brake residual pressure detection system |
| CN113428123A (en) * | 2021-07-15 | 2021-09-24 | 西安航空制动科技有限公司 | Tire burst prevention airplane brake system and control method thereof |
| CN113428127A (en) * | 2021-07-15 | 2021-09-24 | 西安航空制动科技有限公司 | Airplane brake system residual pressure monitoring and protecting method capable of avoiding tire explosion |
| CN113428127B (en) * | 2021-07-15 | 2022-07-22 | 西安航空制动科技有限公司 | Airplane brake system residual pressure monitoring protection method capable of avoiding tire explosion |
| CN113428123B (en) * | 2021-07-15 | 2022-10-14 | 西安航空制动科技有限公司 | Tire burst prevention airplane brake system and control method thereof |
| CN114070386A (en) * | 2022-01-17 | 2022-02-18 | 成都国星宇航科技有限公司 | Satellite-borne Ethernet communication system |
| CN114070386B (en) * | 2022-01-17 | 2022-04-26 | 成都国星宇航科技有限公司 | Satellite-borne Ethernet communication system |
| CN114593104A (en) * | 2022-02-17 | 2022-06-07 | 成都飞机工业（集团）有限责任公司 | Method for decomposing and checking problem of abnormal pressure output by servo valve |
| CN114593104B (en) * | 2022-02-17 | 2023-03-14 | 成都飞机工业（集团）有限责任公司 | Method for decomposing and checking problem of abnormal pressure output by servo valve |
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