WO2021073644A1 - 集成制动***检测台及测试方法 - Google Patents
集成制动***检测台及测试方法 Download PDFInfo
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- WO2021073644A1 WO2021073644A1 PCT/CN2020/121959 CN2020121959W WO2021073644A1 WO 2021073644 A1 WO2021073644 A1 WO 2021073644A1 CN 2020121959 W CN2020121959 W CN 2020121959W WO 2021073644 A1 WO2021073644 A1 WO 2021073644A1
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- product
- way valves
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- pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Definitions
- the invention belongs to an automobile brake system product detection test bench, and relates to a detection equipment and a detection method.
- the technical problem to be solved by the present invention is to provide an integrated brake system testing platform and testing method, which can meet the diversity of the brake system and realize high-precision testing.
- the present invention adopts the following technical solutions:
- the first product detection position and the second product detection position characterized in that it includes a motor push rod assembly, six three-position three-way valves V1, V2 and V7 ⁇ V10, four two-position three-way valves V3 ⁇ V6, Five flow sensors Q0 ⁇ Q4, five pressure sensors P0 ⁇ P4, overflow valve (V0), motor oil pump, oil filter and fuel tank; the output end of the motor push rod assembly is connected to the product detection position of the first product, the first The four oil circuit output ends of the product in the product detection position are respectively connected to port B of the four two-position three-way valves V3 ⁇ V6, and the four oil circuit output ends of the product in the second product detection position are respectively connected to four two-position The port C of the three-way valve V3 ⁇ V6, the port A of the four two-position three-way valves V3 ⁇ V6 are connected to the port A of the four three-position three-way valves V7 ⁇ V10 through their respective flow sensors Q1 ⁇ Q4.
- Port C of the port valves V7 ⁇ V10 are respectively connected to the wheel cylinders of the four brake caliper assemblies of the four wheels of the car through their respective pressure sensors P1 ⁇ P4, and port B of the three-position three-way valves V7 ⁇ V10 are connected through the flow sensor Q0.
- the oil tank is connected to the input end of the motor oil pump through the oil filter.
- the output end of the motor oil pump is connected to the C port of the two three-position three-way valves V1 and V2 through the overflow valve V0 and the oil pressure sensor P0 in turn.
- the lead between the filter and the input end of the motor oil pump is directly connected to the B ports of the two three-position three-way valves V1 and V2, and the A ports of the two three-position three-way valves V1 and V2 are connected to the second product detection position. Two oil circuit input ends.
- the motor push rod assembly includes a data processing center.
- the motor push rod assembly, motor oil pump, all flow sensors Q0 ⁇ Q4 and pressure sensors P0 ⁇ P4 are connected to the data processing center, and the data processing center controls the collection and processing of processed data.
- the electrical ports on the products of the first product detection position and the second product detection position are connected to the data processing center.
- the product of the first product detection position has one telescopic input end and four oil circuit output ends
- the product of the second product detection position has two oil circuit input ends and four oil circuit output ends.
- the product of the first product detection position is, for example, an integrated brake system, a product that integrates an ESC (body stability control system) brake master cylinder, and has a master cylinder push rod and four output oil ports.
- the input end is the push rod of the master cylinder and the push rod of the motor of the inspection station, and the four outputs are connected to the four inputs of the inspection station;
- the second product inspection position product is for example the body stability control system (ESC), and the two input ports are connected with The output port of the bench is connected, and the four outputs are connected to the detection station.
- ESC body stability control system
- An integrated brake system detection method using the above-mentioned integrated brake system, during the whole test process, according to different test conditions, the various valves on the oil circuit are switched and controlled, combined with the motor push rod assembly and the motor The control of the oil pump realizes the test function of integrated and perfect brake system detection.
- This method has many aspects such as the pressure building capacity of the first product detection position, the pressure adjustment test and flow test of the second product detection position, and the flow pressure test of the second product detection position of the external pressure supply. Specifically, it uses the settings in four Two-position three-way valves V3 ⁇ V6, four three-position three-way valves V7 ⁇ V10 and three-position three-way valves V1 and V2 are connected and disconnected, and the motor oil pump controls the operation of the oil circuit, and then through the flow sensor and The pressure sensor is tested.
- test position of the first product simulates the test of the four-wheel pressure building capacity of a real vehicle
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected, and the four Port A and Port C of three-position three-way valve V7 ⁇ V10 are connected, and three-position three-way valve V1, V2 and motor oil pump 2 do not work
- motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s foot
- the product of the first product detection position, the product output of the first product detection position, each of the four channels passes through its own two-position three-way valve V3/V4/V5/V6 and three-position three-way valve V7/V8/V9/V10 Connected to the wheel cylinder of each wheel caliper assembly; each wheel cylinder of the wheel caliper assembly detects pressure through its connected pressure sensors P0 ⁇ P4, and through flow sensors Q1 ⁇ Q4 to detect flow changes, so as to test the pressure building capacity
- test position of the first product simulates the test of the single-wheel pressure building capacity of a real vehicle
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected and are tested.
- the A and C ports of the three-position three-way valve V7 on the detection road where the wheel cylinder of the wheel caliper assembly is located are connected.
- the three three-position three-way valves V8 ⁇ V10 on the non-detection road do not conduct and do not work.
- Three-position three-way Valves V1, V2 and motor oil pump 2 do not work; the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s pedal to act on the product of the first product detection position, and the product of the first product detection position outputs four-way detection on the road It is connected to the wheel cylinder of the tested wheel caliper assembly through the respective two-position three-way valve V3 and three-position three-way valve V7; the wheel cylinder of the tested wheel caliper assembly detects the pressure building capacity through the corresponding pressure sensor installed on its own pipeline The flow sensor is used to detect changes in flow;
- each of the four outputs of the product in the first product detection position is connected to each of the four channels via the respective two-position three-way valve V3/V4/V5/V6 and the three-position three-way valve V7/V8/V9/V10 Fuel tank; detect the flow characteristics of the product through each flow sensor;
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected to detect the on-road
- the A and C ports of the three-position three-way valve V7 are connected, and the three three-position three-way valves V8 ⁇ V10 on the non-detection circuit are not conducting, and the three-position three-way valve V1, V2 and the motor oil pump 2 are not working;
- the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s pedal acting on the product at the first product detection position.
- the product at the first product detection position outputs four-way detection paths through their respective two-position three-way valves V3 and three.
- Three-way valve V7 is connected to the fuel tank; each flow sensor detects the flow characteristics of the product;
- Port A and Port B of three-position valve V7 ⁇ V10 are connected and connected, Port A and C of three-position three-way valve V1 and V2 are connected and connected, motor oil pump 2 works; functional components output four oil pressures, and each path passes through The respective two-position three-way valve V3/V4/V5/V6 and the three-position three-way valve V7/V8/V9/V10 are connected to the fuel tank, and the oil in the fuel tank 3 passes through the motor oil pump 2 through the three-position three-way valve V1, V2
- the pump returns to the functional components; the two inputs of the functional components are controlled by two three-position three-way valves V1 and V2, which will be pressurized by the motor oil pump 2 through the oil tank filter, and then connected by the overflow valve after the pressure is adjusted; each flow through each channel
- the sensor detects the flow characteristics of the product;
- the A and C ports of the two-position three-way valve V5 on the test road are connected, and the test road is not connected.
- the three two-position three-way valves V3, V 4, and V6 are not conducting and not working.
- the three-position three-way valve V9 on the detection road is connected to port A and B, and the three three-position three-way valves V7 on the non-detection road are connected.
- V8, V10 do not work, the three-position three-way valve V2 port A and C are connected, the three-position three-way valve V1 does not work, the motor oil pump 2 works; the functional components output one oil pressure, the The road is connected to the fuel tank through the two-position three-way valve V5 and the three-position three-way valve V9.
- the oil in the fuel tank 3 is pumped into the functional components through the motor oil pump 2 through the three-position three-way valve V2; the two-in-one of the functional components A three-position three-way valve is routed through the fuel tank filter to be pressurized by the motor oil pump and then connected by the overflow valve; the wheel cylinder of the tested wheel caliper assembly is detected by the corresponding pressure sensor installed on its own pipeline. Pressure capability and flow sensors detect flow changes.
- the A and C ports of the two-position three-way valve V5 on the test road are connected, and the test is not on the road.
- the three two-position three-way valves V3, V4, and V6 do not conduct and do not work.
- the three three-way valves V9 on the detection road are connected to port A and C.
- the three three-way three-way valves V7 and V7 on the non-detection road are connected.
- V8 and V10 do not work, the three-position three-way valve V2 port A and C are connected, the three-position three-way valve V1 does not work, the motor oil pump 2 works; the functional components output one oil pressure, on this road
- the two-position three-way valve V5 and the three-position three-way valve V9 are connected to the wheel cylinder of the corresponding wheel caliper assembly.
- the oil in the oil tank 3 is pumped into the functional components through the motor oil pump 2 through the three-position three-way valve V2;
- One of the two-in-one of the components is controlled by a three-position three-way valve, which is pressurized by the motor oil pump through the oil filter of the fuel tank and then connected by the overflow valve after the pressure is adjusted; the wheel cylinder of the tested wheel caliper assembly passes through its own pipeline.
- the installed pressure sensor detects the pressure build capacity and the flow sensor detects the flow change.
- the motor oil pump 2 does not work; the functional components output four oil pressures, four Each road of the road is connected to the wheel cylinder of the corresponding wheel caliper assembly through the respective two-position three-way valve V3/V4/V5/V6 and the three-position three-way valve V7/V8/V9/V10, and the oil in the fuel tank 3 It is directly connected to the functional components via the three-position three-way valve V1 and V2 for replenishment; the two inputs of the functional component are controlled by two three-position three-way valves and will be directly connected through the oil filter of the fuel tank; the caliper assembly of the tested wheel
- the wheel cylinder detects the pressure build-up capability through the correspondingly installed pressure sensor on its own pipeline and the flow sensor detects the flow change, and detects the self-priming four-way pressure build-up capability of the functional components.
- the two-position three-way valve V5 on the detection road is connected to the A and C ports, and the non-detection road is connected.
- the three two-position three-way valves V3, V4, and V6 do not conduct and do not work.
- the three three-way valves V9 on the detection road are connected to port A and C.
- the three three-way three-way valves V7 and V7 on the non-detection road are connected.
- V8 and V10 do not conduct and do not work, the three-position three-way valve V2 port A and B are connected, the three-position three-way valve V1 does not conduct and does not work, the motor oil pump 2 does not work; the functional components output one oil pressure, the The road is connected to the wheel cylinder of the corresponding wheel caliper assembly through the two-position three-way valve V5 and the three-position three-way valve V9, and the oil in the fuel tank 3 is directly connected to the functional components through the three-position three-way valve V2 for oil replenishment; A three-position three-way valve will be directly connected to the two-input one of the components through the oil filter of the fuel tank; the tested circuit will detect the flow characteristics of the product through the correspondingly installed flow sensor on its own pipeline, and detect the self-priming single-circuit of the functional component The ability to build stress.
- the two-position three-way valve V5 on the detection road is connected to the A and C ports, and the three on the non-detection road are connected.
- Two two-position three-way valves V3, V 4, and V6 are not conducting and not working.
- the three-position three-way valve V9 on the detection circuit has port A and B connected, and the three three-position three-way valves V7, V8 on the non-detection road are connected.
- V10 does not conduct and does not work
- the three-position three-way valve V2 port A and B are connected
- the three-position three-way valve V1 does not conduct and does not work
- the motor oil pump 2 does not work
- functional components output one oil pressure, this way It is connected to the fuel tank 3 through the two-position three-way valve V5 and the three-position three-way valve V9, and the oil in the fuel tank 3 is directly connected to the functional components through the three-position three-way valve V2 for replenishment; the two-in-one route of the functional components
- a three-position three-way valve control will be directly connected via the oil tank filter.
- Each channel detects the flow characteristics of the product through the correspondingly installed flow sensor on its own pipeline, and detects the ability of the functional component to build up the pressure of the self-priming single channel.
- the functional component of the present invention is a brake system hydraulic control unit, such as an integrated brake system and a body stability control system (ESC).
- a brake system hydraulic control unit such as an integrated brake system and a body stability control system (ESC).
- ESC body stability control system
- the external pressure supply of the present invention is a state, the motor pump liquid state is the external pressure supply, and the functional component refers to the detection product.
- the non-external pressure refers to the self-priming state. In the self-priming state, after the oil circuit is switched, there are functional components that pump liquid by themselves.
- the invention can meet the diversity of braking systems, realize the test function of integrated and perfect braking system detection, and realize high-precision detection.
- Figure 1 shows the oil circuit and electrical connection of the integrated brake system test bench and the composition of each component
- Figure 2 is a test state diagram of the assembly product simulating the four-wheel pressure building capacity of a real car on the test bench;
- Figure 3 is a test state diagram of the assembly product simulating the single-wheel pressure building capacity of a real vehicle on the test bench;
- Figure 4 is a test state diagram of the assembly product's 4-channel flow control capability on the test bench
- Figure 5 is a test state diagram of the assembly product's single-channel flow control capability on the test bench
- Figure 6 is a flow test state diagram of two-in-four-out flow of functional components of external pressure supply
- Figure 7 is a diagram showing the test state of the two-in-four-out four-round pressure building capacity test of the functional components of the external pressure supply;
- Figure 8 is a state diagram of a pressure control test state of one input and one output of the functional components of external pressure supply
- Figure 9 is a flow test state diagram of one-in and one-out flow of functional components of external pressure supply
- Figure 10 is a self-priming two-in-four-out pressure adjustment test state diagram of functional components without external pressure
- Figure 11 is a self-suction, one-in and one-out pressure adjustment test state diagram of functional components without external pressure
- Figure 12 is a self-priming two-in-four-out flow test state diagram of functional components without external pressure
- Figure 13 is a flow test state diagram of the self-suction one in one out flow of the functional components without external pressure.
- motor push rod assembly (4), six three-position three-way valves V1, V2 and V7 ⁇ V10, four two-position three-way valves V3 ⁇ V6, five flow sensors Q0 ⁇ Q4, five pressure sensors P0 ⁇ P4, overflow valve (V0), motor oil pump (2), oil filter (1) and oil tank (3).
- the first product detection position and the second product detection position including the motor push rod assembly 4, six three-position three-way valves V1, V2 and V7 ⁇ V10, and four two-position three-way valves V3 ⁇ V6, five flow sensors Q0 ⁇ Q4, five pressure sensors P0 ⁇ P4, relief valve V0, motor oil pump 2, oil filter 1 and fuel tank 3; the output end of the motor push rod assembly 4 and the first product detection position
- the telescopic input end of the product is connected, the output thrust of the motor push rod assembly 4 acts on the product with the first product detection position, the product with the first product detection position outputs 4 oil circuits; the product with the first product detection position has four oil circuits
- the output terminals are respectively connected to the B ports of the four two-position three-way valves V3 ⁇ V6, and the four oil circuit output terminals of the second product detection position are respectively connected to the C ports of the four two-position three-way valves V3 ⁇ V6.
- the ports A of the four two-position three-way valves V3 ⁇ V6 are connected to the ports A of the four three-position three-way valves V7 ⁇ V10 through their respective flow sensors Q1 ⁇ Q4, and the C ports of the three-position three-way valves V7 ⁇ V10 are connected through their respective flow sensors.
- the pressure sensors P1 ⁇ P4 are respectively connected to the wheel cylinders of the four brake caliper assemblies of the four wheels of the car.
- Port B of the three-position three-way valve V7 ⁇ V10 is connected to the fuel tank 3 through the flow sensor Q0, and the fuel tank 3 is through the oil filter 1. Connected to the input end of the motor oil pump 2.
- the output end of the motor oil pump 2 is connected to the port C of the two three-position three-way valves V1 and V2 through the overflow valve V0 and the oil pressure sensor P0 in turn.
- the oil filter 1 and the motor oil pump The input ends of 2 are directly connected to the B ports of the two three-position three-way valves V1 and V2, and the A ports of the two three-position three-way valves V1 and V2 are connected to the two oils of the product at the second product detection position. Road input.
- the three-way valve of the present invention has three ports A, B, and C, the B port and the C port are on the same side, and the A port is on the other side.
- the electrical ports on the products of the first product detection position and the second product detection position are connected to the data processing center 5 for data interaction and processing control.
- the product of the first product detection position has a telescopic input end and four oil circuit output ends
- the product of the second product detection position has two oil circuit input ends and four oil circuit output ends.
- the two input oil circuits on the detection position of the second product are respectively controlled by three-position three-way valves V1 and V2.
- One input oil circuit is directly connected to the oil tank 3 after passing through the oil filter 1, and the other input oil path passes through the oil tank 3 through the oil filter 1 After being pressurized by the motor oil pump 2, the pressure is adjusted by the overflow valve V0 and then connected.
- An oil pressure sensor P0 is also installed on the road. Through the three-position three-way valve V1 and V2, the on-off and form of the oil source entering the second product detection position are controlled.
- the output of the detection position of the second product and the detection position of the first product are respectively 4 channels, a total of 8 channels are combined into 4 channels through 4 two-position three-way valves V3, V4, V5, V6, and flow sensors Q1 are arranged on the 4 channels.
- Q2, Q3, Q4, through the two-position three-way valve V3, V4, V5, V6 switch the second product detection position and the first product detection position of the 4-way output on and off.
- the 4 outputs are then input into 4 three-position three-way valves V7, V8, V9, and V10, each divided into two, and oil pressure sensors P1, P2, P3, and P4 are respectively connected to the four front and rear four wheels of the car along the way. Only in the wheel cylinder of the caliper assembly. The other way converges on the main road where the flow sensor Q0 is installed and flows back to the fuel tank 3.
- Figure 2-13 The various test methods of the integrated brake system test bench are shown in Figure 2-13.
- Figure 2- Figure 5 are several working methods of the first product detection position.
- Figure 6- Figure 13 shows the detection method of hydraulic function components. Hydraulic functional components include, but are not limited to, the detection of ESC similar to the electronic body stability system (ESC).
- ESC electronic body stability system
- the specific implementation is for the detection of brake products.
- the brake assembly product simulates the test method of the four-wheel pressure building capacity of the real vehicle on the test bench.
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and C ports of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the three-way valve V1, V2 and the motor oil pump 2 do not work.
- the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s foot pedal acting on the product at the first product detection position.
- the product at the first product detection position outputs four channels on each of the four channels through its own two-position three-way valve V3/ V4/V5/V6 and the three-position three-way valve V7/V8/V9/V10 are connected to the wheel cylinder of each wheel caliper assembly, and adjusted to the connected state of the pipeline and the wheel cylinder as shown in Figure 2, as shown in Figure 2.
- the thicker solid line indicates the connected oil path, and the thinner solid line indicates the disconnected oil path.
- the wheel cylinder of each wheel caliper assembly detects the pressure through the pressure sensor P0 ⁇ P4 connected to it, and detects the flow change through the flow sensor Q1 ⁇ Q4, so as to carry out the pressure building capacity test.
- the brake assembly product simulates the test method of the pressure build-up capacity of a real vehicle on the test bench.
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected, and the wheel cylinder of the tested wheel caliper assembly is located on the three-position three-way valve V7 on the testing road.
- Port A and Port C are connected, the three three-position three-way valves V8 ⁇ V10 on the non-detection road are not conducting and not working, and the three-position three-way valves V1, V2 and motor oil pump 2 are not working.
- the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s pedal acting on the product at the first product detection position.
- the product at the first product detection position outputs four-way detection paths through their respective two-position three-way valves V3 and three.
- the position three-way valve V7 is connected to the wheel cylinder of the wheel caliper assembly under test, and is adjusted to the connected state of the pipeline and the wheel cylinder as shown in Figure 3.
- the wheel cylinder of the tested wheel caliper assembly detects the pressure building capacity through the corresponding pressure sensor installed on its own pipeline.
- the flow sensor is used to detect the flow change.
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and B ports of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the three-way valve V1, V2 and the motor oil pump 2 do not work.
- the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s foot pedal acting on the product at the first product detection position.
- the product at the first product detection position outputs four channels on each of the four channels through its own two-position three-way valve V3/
- the V4/V5/V6 and the three-position three-way valve V7/V8/V9/V10 are connected to the oil tank, and the pipeline is connected to the wheel cylinder as shown in Figure 4. Detect the flow characteristics of the product through each flow sensor.
- the A and B ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and C ports of the three-position three-way valve V7 on the detection road are connected.
- the three three-position three-way valves V8 ⁇ V10 on the road do not work, and the three-position three-way valves V1, V2 and the motor oil pump 2 do not work.
- the motor push rod assembly 4 exerts thrust to simulate the braking force of the driver’s pedal acting on the product at the first product detection position.
- the product at the first product detection position outputs four-way detection paths through their respective two-position three-way valves V3 and three.
- the position three-way valve V7 is connected to the oil tank and adjusted to the connected state of the pipeline and the wheel cylinder as shown in Figure 5. Detect the flow characteristics of the product through each flow sensor.
- the A and C ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and B ports of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the port A and port C of the three-way valve V1 and V2 are connected, and the motor oil pump 2 works.
- the specific functional components implemented are ESC products.
- the functional components output four oil pressures, each of which is connected to each through its own two-position three-way valve V3/V4/V5/V6 and three-position three-way valve V7/V8/V9/V10 At the same time, the oil in the oil tank 3 is pumped back to the functional components through the motor oil pump 2 through the three-position three-way valve V1 and V2, and is adjusted to the connected state of the pipeline and the wheel cylinder as shown in FIG. 6.
- the two inputs of the functional components are controlled by two three-position three-way valves V1 and V2, which are pressurized by the motor oil pump 2 through the oil tank filter, and then connected by the overflow valve after the pressure is adjusted. Detect the flow characteristics of the product through each flow sensor.
- the brake assembly product has a four-wheel pressure-building capacity test method for external pressure-supply functional components on the test bench.
- the A and C ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and C ports of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the port A and port C of the three-way valve V1 and V2 are connected, and the motor oil pump 2 works.
- the specific functional components implemented are ESC products.
- the functional components output four oil pressures, each of which is connected to each through its own two-position three-way valve V3/V4/V5/V6 and three-position three-way valve V7/V8/V9/V10
- the oil in the oil tank 3 is pumped into the functional parts through the motor oil pump 2 through the three-position three-way valve V1 and V2, and is adjusted to the pipeline as shown in Figure 7 to connect to the wheel cylinder. Pass state.
- the two inputs of the functional components are controlled by two three-position three-way valves V1 and V2, which are pressurized by the motor oil pump 2 through the oil tank filter, and then connected by the overflow valve after the pressure is adjusted. Detect the flow characteristics of the product through each flow sensor.
- the brake assembly product has one input and one output pressure control test method for the external pressure supply functional components on the test bench.
- the A and C ports of the two-position three-way valve V5 on the detection road are connected, and the three two-position three-way valves V3, V4, and V6 on the non-detection road are not conducting.
- the three-position three-way valve V9 on the detection road is connected to the A and B ports.
- the three three-position three-way valves V7, V8, and V10 on the non-detection road are not conducting and not working.
- the three-position three-way valve V2 A Port and port C are connected, the three-position three-way valve V1 does not conduct and does not work, and the motor oil pump 2 works.
- the specific functional component implemented is an ESC product.
- the functional component outputs one oil pressure, which is connected to the oil tank through the two-position three-way valve V5 and the three-position three-way valve V9.
- the oil in the fuel tank 3 passes through the motor oil pump 2 through the three-position three-way valve.
- the through valve V2 is pumped into the functional component and adjusted to the connected state of the pipeline and the wheel cylinder as shown in Figure 8.
- One of the two inputs of the functional components is controlled by a three-position three-way valve, which is pressurized by the motor oil pump through the oil filter of the fuel tank, and then connected by the overflow valve after the pressure is adjusted.
- the wheel cylinder of the tested wheel caliper assembly detects the pressure build-up capacity and the flow sensor to detect the flow change through the correspondingly installed pressure sensor on its own pipeline.
- the brake assembly product has one input and one output flow test method for the external pressure supply functional components on the test bench.
- the A and C ports of the two-position three-way valve V5 on the detection road are connected, and the three two-position three-way valves V3, V4, and V6 on the non-detection road are not conducting.
- the three-position three-way valve V9 on the detection road is connected to port A and C
- the three three-position three-way valves V7, V8, and V10 on the non-detection road are not conducting and not working
- the three-position three-way valve V2 is A Port and port C are connected
- the three-position three-way valve V1 does not conduct and does not work
- the motor oil pump 2 works.
- the functional component implemented specifically is an ESC product.
- the functional component outputs one oil pressure.
- the road is connected to the wheel cylinder of the corresponding wheel caliper assembly through the two-position three-way valve V5 and the three-position three-way valve V9.
- the oil in the fuel tank 3 is connected to the wheel cylinder of the corresponding wheel caliper assembly.
- the motor oil pump 2 is pumped into the functional components through the three-position three-way valve V2, and adjusted to the connected state of the pipeline and the wheel cylinder as shown in FIG. 9.
- One of the two inputs of the functional components is controlled by a three-position three-way valve, which is pressurized by the motor oil pump through the oil filter of the fuel tank, and then connected by the overflow valve after the pressure is adjusted.
- the wheel cylinder of the tested wheel caliper assembly detects the pressure build-up capacity and the flow sensor to detect the flow change through the correspondingly installed pressure sensor on its own pipeline.
- the brake assembly product self-priming, two-in and four-out pressure adjustment test method for functional components on the test bench.
- the A and C ports of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the A and C ports of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the A and B ports of a three-position three-way valve V1 and V2 are connected, and the motor oil pump 2 does not work.
- the specific functional components implemented are ESC products.
- the functional components output four-way oil pressure.
- Each of the four-way passes through its own two-position three-way valve V3/V4/V5/V6 and three-position three-way valve V7/V8/V9/ V10 is connected to the wheel cylinder of the corresponding wheel caliper assembly.
- the oil in the oil tank 3 is directly connected to the functional components through the three-position three-way valve V1 and V2 for replenishing oil, and is adjusted to the pipeline and wheel as shown in Figure 10.
- the cylinder is connected.
- the two inputs of the functional components are controlled by two three-position three-way valves and will be directly connected through the oil tank through the oil filter.
- the wheel cylinder of the tested wheel caliper assembly detects the pressure build-up capability and the flow sensor detects the flow change through the correspondingly installed pressure sensor on its own pipeline, and detects the self-priming four-way pressure build-up capability of the functional component.
- the brake assembly product self-suction, one-in and one-out pressure adjustment test method for functional components on the test bench.
- the A and C ports of the two-position three-way valve V5 on the detection road are connected, and the three two-position three-way valves V3, V4, and V6 on the non-detection road are not conducting.
- the three-position three-way valve V9 on the detection road is connected to port A and C
- the three three-position three-way valves V7, V8, and V10 on the non-detection road are not conducting and not working
- the three-position three-way valve V2 is A Port and port B are connected
- the three-position three-way valve V1 does not conduct and does not work
- the motor oil pump 2 does not work.
- the functional component specifically implemented is an ESC product.
- the functional component outputs one oil pressure.
- the road is connected to the wheel cylinder of the corresponding wheel caliper assembly through the two-position three-way valve V5 and the three-position three-way valve V9.
- the oil in the fuel tank 3 passes through the three-way valve.
- the position three-way valve V2 is directly connected to the functional components for replenishing oil, and is adjusted to the connected state of the pipeline and the wheel cylinder as shown in FIG. 11.
- a three-position three-way valve will be directly connected to one of the two-in-one routing of the functional components through the oil filter of the fuel tank.
- the tested circuit detects the flow characteristics of the product through the correspondingly installed flow sensor on its own pipeline, and detects the ability of the functional component to establish the pressure of the self-priming single circuit.
- the brake assembly product self-priming, two-in, four-out flow test method for functional components on the test bench.
- the ports A and C of the four two-position three-way valves V3 ⁇ V6 are connected and connected, and the ports A and B of the four three-position three-way valves V7 ⁇ V10 are connected and connected.
- the A and B ports of a three-position three-way valve V1 and V2 are connected, and the motor oil pump 2 does not work.
- the specific functional components implemented are ESC products.
- the functional components output four-way oil pressure.
- Each of the four-way passes through its own two-position three-way valve V3/V4/V5/V6 and three-position three-way valve V7/V8/V9/ V10 is connected to the oil tank 3, and the oil in the oil tank 3 is directly connected to the functional components through the three-position three-way valves V1 and V2 for oil replenishment, and is adjusted to the connected state of the pipeline and the wheel cylinder as shown in FIG. 12.
- the two inputs of the functional components are controlled by two three-position three-way valves and will be directly connected via the oil tank filter.
- Each channel detects the flow characteristics of the product through the corresponding flow sensor installed on its own pipeline, and detects the ability of the functional components to establish pressure in the four channels of self-priming.
- the brake assembly product self-suction, one-in and one-out flow test method for functional components on the test bench.
- the A and C ports of the two-position three-way valve V5 on the detection road are connected, and the three two-position three-way valves V3, V4, and V6 on the non-detection road are not conducting.
- the three-position three-way valve V9 on the detection road is connected to the A and B ports.
- the three three-position three-way valves V7, V8, and V10 on the non-detection road are not conducting and not working.
- the three-position three-way valve V2 A Port and port B are connected, the three-position three-way valve V1 does not conduct and does not work, and the motor oil pump 2 does not work.
- the specific functional component implemented is an ESC product.
- the functional component outputs one oil pressure.
- the road is connected to the fuel tank 3 through the two-position three-way valve V5 and the three-position three-way valve V9.
- the oil in the fuel tank 3 is directly connected through the three-position three-way valve V2.
- One of the two inputs of the functional components is controlled by a three-position three-way valve and will be directly connected through the oil filter of the fuel tank.
- Each channel detects the flow characteristics of the product through the correspondingly installed flow sensor on its own pipeline, and detects the ability of the functional component to build up the pressure of the self-priming single channel.
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Abstract
一种集成制动***检测台及测试方法,涉及汽车制动***检测技术领域。该检测台包括第一产品检测位和第二产品检测位,电机推杆总成(4)输出端和第一产品检测位的产品连接,油箱(3)经油滤(1)连接到电机油泵(2),电机油泵(2)输出端连接溢流阀V0和压力传感器P0,压力传感器P0后端和电机油泵(2)输入端经过两个两位三通阀V1、V2连接到第二产品检测位的产品的两个油路输入端;第一产品检测位的产品的四个油路输出端和第二产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的B口和C口,四个两位三通阀V3~V6的A口经流量传感器Q1~Q4连通到四个三位三通阀V7~V10的A口,三位三通阀V7~V10的C口经各自的压力传感器P1~P4连通到汽车四轮的四个制动卡钳总成的轮缸;三位三通阀V7~V10的B口经流量传感器Q0连通到油箱(3)。该检测台能够完成制动***的多种测试功能。
Description
本发明属于汽车制动***产品检测试验台,涉及的是一种检测设备及检测方法。
汽车发展越来越迅速,对制动产品的要求越来越高。在制动产品蓬勃发展的同时,对制动***的控制产品的检测需求越来越大,精度及控制多样性的要求越来越高。如今市场上正缺少这样的检测设备。
发明内容
为了解决背景技术中存在的问题,本发明所要解决的技术问题就是提供一种集成制动***检测台及测试方法,能够满足制动***多样性,并且实现高精度的检测。
为解决上述技术问题,本发明采用如下技术方案:
一、一种集成制动***检测台:
包括第一产品检测位和第二产品检测位,其特征在于:包括电机推杆总成、六个三位三通阀V1、V2和V7~V10,四个两位三通阀V3~V6、五个流量传感器Q0~Q4、五个压力传感器P0~P4、溢流阀(V0)、电机油泵、油滤和油箱;电机推杆总成输出端和第一产品检测位的产品连接,第一产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的B口,第二产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的C口,四个两位三通阀V3~V6的A口经各自的流量传感器Q1~Q4连通到四个三位三通阀V7~V10的A口,三位三通阀V7~V10的C口经各自的压力传感器P1~P4分别连通到汽车四轮的四个制动卡钳总成的轮缸,三位三通阀V7~V10的B口经流量传感器Q0连通到油箱,油箱经油滤连通到电机油泵的输入端,电机油泵的输出端依次经溢流阀V0、油压传感器P0后连接到两个三位三通阀V1、V2的C口,同时油滤和电机油泵的输入端之间引出直接连接到两个三位三通阀V1、V2的B口,两个三位三通阀V1、V2的A口连接到第二产品检测位的产品的两个油路输入端。
还包括数据处理中心,电机推杆总成、电机油泵、所有流量传感器Q0~Q4 和压力传感器P0~P4均连接到数据处理中心,由数据处理中心控制处理数据的采集和处理。
第一产品检测位和第二产品检测位的产品上的电气端口和数据处理中心连接。
所述的第一产品检测位的产品具有一个伸缩输入端和四个油路输出端,第二产品检测位的产品具有两个油路输入端和四个油路输出端。
第一产品检测位的产品例如为集成式制动***,一种将ESC(车身稳定控制***)鱼制动总泵集成的产品,具有主缸推杆和四路输出油口。输入端为制动总泵推杆与检测台电机推杆连接,四路输出与检测台四路输入连接;第二产品检测位的产品例如为车身稳定控制***(ESC),两路输入口与台架输出口连接,四路输出与检测台连接。
二、一种集成制动***检测方法:采用上述集成制动***,整个测试过程中,针对不同的测试情况,对各处油路上的各个阀进行切换控制工作,结合电机推杆总成及电机油泵的控制,实现集成完善制动***检测的测试功能。
该方法对第一产品检测位的建压能力、第二产品检测位的压力调节测试和流量测试、外部供压第二产品检测位的流量压力测试等多个方面,具体是利用设置在四个两位三通阀V3~V6、四个三位三通阀V7~V10和三位三通阀V1、V2的阀口接通和断开以及电机油泵来控制油路工作,进而通过流量传感器和压力传感器进行测试。
具体为:
当第一产品检测位模拟实车四轮建压能力的测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,三位三通阀V1、V2和电机油泵2不工作;电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到每一个车轮卡钳总成的轮缸;每个车轮卡钳总成的轮缸通过自身所连接的压力传感器P0~P4检测压力,通过流量传感器Q1~Q4检测流量变化,从而进行建压能力测试;
当第一产品检测位模拟实车单轮建压能力的测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,被测车轮卡钳总成的轮缸所在检测路上的三位三通阀V7的A口和C口连接相通,非检测路上的三个三位三通阀V8~V10不导通不工作,三位三通阀V1、V2和电机油泵2不工作;电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检 测位的产品,第一产品检测位的产品输出四路的检测路上经各自的两位三通阀V3和三位三通阀V7连通到被测车轮卡钳总成的轮缸;被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力流量传感器用于检测流量变化;
当第一产品检测位对产品四流量控制能力的测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,三位三通阀V1、V2和电机油泵2不工作;电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱;通过每一路流量传感器检测产品的流量特性;
当第一产品检测位对产品单路流量控制能力的测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,检测路上的三位三通阀V7的A口和C口连接相通,非检测路上的三个三位三通阀V8~V10不导通不工作,三位三通阀V1、V2和电机油泵2不工作;电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的检测路上经各自的两位三通阀V3和三位三通阀V7连通到油箱;通过每一路流量传感器检测产品的流量特性;
当外部供压第二产品检测位二入四出流量测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,三位三通阀V1、V2的A口和C口连接相通,电机油泵2工作;功能部件输出四路油压,每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱,同时油箱3的油液经电机油泵2经三位三通阀V1、V2泵回到功能部件中;功能部件的二入由两只三位三通阀V1、V2控制将经由油箱过油滤被电机油泵2加压后由溢流阀调压后连接;通过每一路流量传感器检测产品的流量特性;
当外部供压第二产品检测位二入四出四轮建压能力测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,三位三通阀V1、V2的A口和C口连接相通,电机油泵2工作;功能部件输出四路油压,每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到每一个车轮卡钳总成的轮缸,同时油箱3的油液经电机油泵2经三位三通阀V1、V2泵入到功能部件中;功能部件的二入由两只三位三通阀V1、V2控制将经由油箱过油滤被电 机油泵2加压后由溢流阀调压后连接。通过每一路流量传感器检测产品的流量特性;
当外部供压第二产品检测位一入一出控压测试时,在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和B口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和C口连接相通,三位三通阀V1不导通不工作,电机油泵2工作;功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到油箱,同时油箱3的油液经电机油泵2经三位三通阀V2泵入到功能部件中;功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤被电机油泵加压后由溢流阀调压后连接;被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化。
当外部供压第二产品检测位一入一出流量测试时,在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和C口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和C口连接相通,三位三通阀V1不导通不工作,电机油泵2工作;功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到对应车轮卡钳总成的轮缸,同时油箱3的油液经电机油泵2经三位三通阀V2泵入到功能部件中;功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤被电机油泵加压后由溢流阀调压后连接;被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化。
当第二产品检测位自吸二入四出压力调节测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,两个三位三通阀V1、V2的A口和B口连接相通,电机油泵2不工作;功能部件输出四路油压,四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到对应车轮卡钳总成的轮缸,同时油箱3的油液经三位三通阀V1、V2直接连通到功能部件中,进行补油;功能部件的二入由两只三位三通阀控制将经由油箱过油滤直接连接;被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化,检测功能部件自吸四路建立压力的能力。
当第二产品检测位自吸一入一出压力调节测试时,在四轮建压能力的测试 情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和C口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和B口连接相通,三位三通阀V1不导通不工作,电机油泵2不工作;功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到对应车轮卡钳总成的轮缸,油箱3的油液经三位三通阀V2直接连通到功能部件中,进行补油;功能部件的二入其中一路由一只三位三通阀将经由油箱过油滤直接连接;被测路通过自身管路上对应安装的流量传感器检测产品该路的流量特性,检测功能部件自吸单路建立压力的能力。
当第二产品检测位自吸二入四出流量测试时,在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,两个三位三通阀V1、V2的A口和B口连接相通,电机油泵2不工作;功能部件输出四路油压,四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱3,同时油箱3的油液经三位三通阀V1、V2直接连通到功能部件中,进行补油;功能部件的二入由两只三位三通阀控制将经由油箱过油滤直接连接;每一路通过自身管路上对应安装的流量传感器检测产品的流量特性,检测功能部件自吸四路建立压力的能力。
当第二产品检测位自吸一入一出流量测试时,在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和B口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和B口连接相通,三位三通阀V1不导通不工作,电机油泵2不工作;功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到油箱3,油箱3的油液经三位三通阀V2直接连通到功能部件中,进行补油;功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤直接连接。每一路通过自身管路上对应安装的流量传感器检测产品的流量特性,检测功能部件自吸单路建立压力的能力。
本发明所述的功能部件为制动***液压控制单元,例如集成式制动***和车身稳定控制***(ESC)。
本发明的外部供压是一种状态,电机泵液状态为外部供压,功能部件是指检测产品。未外部供压是指自吸状态,自吸状态时切换油路后有功能部件自己泵液状态。
本发明的有益效果是:
本发明能够满足制动***多样性,实现集成完善制动***检测的测试功能,并且实现高精度的检测。
下面结合附图和具体实施方式对本发明作进一步描述:
图1是集成制动***检测台的油路电器连接及各部件组成;
图2是总成产品在该检测台上模拟实车四轮建压能力的测试状态图;
图3是总成产品在该检测台上模拟实车单轮建压能力的测试状态图;
图4是总成产品在该检测台上对产品4路流量控制能力的测试状态图;
图5是总成产品在该检测台上对产品单路流量控制能力的测试状态图;
图6是外部供压的功能部件二入四出流量测试状态图;
图7是外部供压的功能部件二入四出四轮建压能力测试状态图;
图8是外部供压的功能部件一入一出控压测试状态图;
图9是外部供压的功能部件一入一出流量测试状态图;
图10是未外部供压的功能部件自吸二入四出压力调节测试状态图;
图11是未外部供压的功能部件自吸一入一出压力调节测试状态图;
图12是未外部供压的功能部件自吸二入四出流量测试状态图;
图13是未外部供压的功能部件自吸一入一出流量测试状态图。
图中:电机推杆总成(4)、六个三位三通阀V1、V2和V7~V10,四个两位三通阀V3~V6、五个流量传感器Q0~Q4、五个压力传感器P0~P4、溢流阀(V0)、电机油泵(2)、油滤(1)和油箱(3)。
下面结合附图和实施例对本发明作进一步说明。
如图1所示,包括第一产品检测位和第二产品检测位,包括电机推杆总成4、六个三位三通阀V1、V2和V7~V10,四个两位三通阀V3~V6、五个流量传感器Q0~Q4、五个压力传感器P0~P4、溢流阀V0、电机油泵2、油滤1和油箱3;电机推杆总成4输出端和第一产品检测位的产品的伸缩输入端连接,电机推杆总成4输出推力作用在第一产品检测位的产品,第一产品检测位的产品输出4路油路;第一产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的B口,第二产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的C口,四个两位三通阀V3~V6的A口经各自的流量传感器Q1~Q4连通到四个三位三通阀V7~V10的A口,三位三通阀V7~V10的C 口经各自的压力传感器P1~P4分别连通到汽车四轮的四个制动卡钳总成的轮缸,三位三通阀V7~V10的B口经流量传感器Q0连通到油箱3,油箱3经油滤1连通到电机油泵2的输入端,电机油泵2的输出端依次经溢流阀V0、油压传感器P0后连接到两个三位三通阀V1、V2的C口,同时油滤1和电机油泵2的输入端之间引出直接连接到两个三位三通阀V1、V2的B口,两个三位三通阀V1、V2的A口连接到第二产品检测位的产品的两个油路输入端。
本发明的三通阀均具有A、B、C三个口,B口和C口在同一侧,A口在另一侧。
还包括数据处理中心5,电机推杆总成4、电机油泵2、整个检测台中所有流量传感器Q0~Q4和压力传感器P0~P4均连接到数据处理中心,由数据处理中心5控制处理数据的采集和处理。
第一产品检测位和第二产品检测位的产品上的电气端口和数据处理中心5连接,进行数据交互以及被处理控制。
第一产品检测位的产品具有一个伸缩输入端和四个油路输出端,第二产品检测位的产品具有两个油路输入端和四个油路输出端。
第二产品检测位上两个输入油路分别由三位三通阀V1、V2控制,一路输入油路直接与油箱3过油滤1后连通,另一路输入油路经由油箱3过油滤1被电机油泵2加压后由溢流阀V0调压后连接,该路上还装有油压传感器P0。通过三位三通阀V1、V2控制进入第二产品检测位的油源的通断及形式。
第二产品检测位和第一产品检测位输出的各自输出4路共计8路经由4路两位三通阀V3、V4、V5、V6并成4路,在该4路上安置有流量传感器Q1、Q2、Q3、Q4,通过两位三通阀V3、V4、V5、V6切换第二产品检测位和第一产品检测位的4路输出通断。
该4路输出再输入4路三位三通阀V7、V8、V9、V10各分成两路,一路上分别装有油压传感器P1、P2、P3、P4接入汽车四轮前前后后的四只卡钳总成的轮缸中。另外一路汇聚在安装有流量传感器Q0的总路上并流回油箱3。
整个测试过程中,针对不同的测试情况,对各处油路上的各个阀进行切换控制工作,结合电机推杆总成4及电机油泵2的控制,实现集成完善制动***检测的测试功能。
集成制动***检测台的各种测试方法如图2-13所示。图2-图5为第一产品检测位的几种工作方法。图6-图13为液压功能部件检测方法。液压功能部件包括类似电子车身稳定***(ESC)但不仅限于ESC的检测。
具体实施针对制动器产品进行检测。
1、如图2所示,制动总成产品在该检测台上模拟实车四轮建压能力的测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,三位三通阀V1、V2和电机油泵2不工作。
电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到每一个车轮卡钳总成的轮缸,调至如图2所示的管路与轮缸接通状态,图2中的较粗实线表示连通的油路,较细实线表示不连通的油路。每个车轮卡钳总成的轮缸通过自身所连接的压力传感器P0~P4检测压力,通过流量传感器Q1~Q4检测流量变化,从而进行建压能力测试。
2、如图3所示,制动总成产品在该检测台上模拟实车单轮建压能力的测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,被测车轮卡钳总成的轮缸所在检测路上的三位三通阀V7的A口和C口连接相通,非检测路上的三个三位三通阀V8~V10不导通不工作,三位三通阀V1、V2和电机油泵2不工作。
电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的检测路上经各自的两位三通阀V3和三位三通阀V7连通到被测车轮卡钳总成的轮缸,调至如图3所示的管路与轮缸接通状态。被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力流量传感器用于检测流量变化。
3、如图4所示,制动总成产品在该检测台上对产品4路流量控制能力的测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,三位三通阀V1、V2和电机油泵2不工作。
电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱,调至如图4所示的管路与轮缸接通状态。通过每一路流量传感器检测产品的流量特性。
4、如图5所示,制动总成产品在该检测台上对产品单路流量控制能力的测 试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和B口连接相通,检测路上的三位三通阀V7的A口和C口连接相通,非检测路上的三个三位三通阀V8~V10不导通不工作,三位三通阀V1、V2和电机油泵2不工作。
电机推杆总成4施加推力模拟驾驶员脚踏的制动力作用于第一产品检测位的产品,第一产品检测位的产品输出四路的检测路上经各自的两位三通阀V3和三位三通阀V7连通到油箱,调至如图5所示的管路与轮缸接通状态。通过每一路流量传感器检测产品的流量特性。
5、如图6所示,制动总成产品在该检测台上对外部供压功能部件二入四出流量测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,三位三通阀V1、V2的A口和C口连接相通,电机油泵2工作。
具体实施的功能部件为ESC产品,功能部件输出四路油压,每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱,同时油箱3的油液经电机油泵2经三位三通阀V1、V2泵回到功能部件中,调至如图6所示的管路与轮缸接通状态。功能部件的二入由两只三位三通阀V1、V2控制将经由油箱过油滤被电机油泵2加压后由溢流阀调压后连接。通过每一路流量传感器检测产品的流量特性。
6、如图7所示,制动总成产品在该检测台上对外部供压功能部件二入四出四轮建压能力测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,三位三通阀V1、V2的A口和C口连接相通,电机油泵2工作。
具体实施的功能部件为ESC产品,功能部件输出四路油压,每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到每一个车轮卡钳总成的轮缸,同时油箱3的油液经电机油泵2经三位三通阀V1、V2泵入到功能部件中,调至如图7所示的管路与轮缸接通状态。功能部件的二入由两只三位三通阀V1、V2控制将经由油箱过油滤被电机油泵2加压后由溢流阀调压后连接。通过每一路流量传感器检测产品的流量特性。
7、如图8所示,制动总成产品在该检测台上对外部供压功能部件一入一出控压测试方法。
在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和B口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和C口连接相通,三位三通阀V1不导通不工作,电机油泵2工作。
具体实施的功能部件为ESC产品,功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到油箱,同时油箱3的油液经电机油泵2经三位三通阀V2泵入到功能部件中,调至如图8所示的管路与轮缸接通状态。功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤被电机油泵加压后由溢流阀调压后连接。被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化。
8、如图9所示,制动总成产品在该检测台上对外部供压功能部件一入一出流量测试方法。
在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和C口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和C口连接相通,三位三通阀V1不导通不工作,电机油泵2工作。
具体实施的功能部件为ESC产品,功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到对应车轮卡钳总成的轮缸,同时油箱3的油液经电机油泵2经三位三通阀V2泵入到功能部件中,调至如图9所示的管路与轮缸接通状态。功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤被电机油泵加压后由溢流阀调压后连接。被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化。
9、如图10所示,制动总成产品在该检测台上对功能部件自吸二入四出压力调节测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和C口连接相通,两个三位三通阀V1、V2的A口和B口连接相通,电机油泵2不工作。
具体实施的功能部件为ESC产品,功能部件输出四路油压,四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到对应车轮卡钳总成的轮缸,同时油箱3的油液经三位三通阀V1、V2直接连通到功能部件中,进行补油,调至如图10所示的管路与轮缸接通状态。功能部件的二 入由两只三位三通阀控制将经由油箱过油滤直接连接。被测车轮卡钳总成的轮缸通过自身管路上对应安装的压力传感器检测建压能力以及流量传感器检测流量变化,检测功能部件自吸四路建立压力的能力。
10、如图11所示,制动总成产品在该检测台上对功能部件自吸一入一出压力调节测试方法。
在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和C口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和B口连接相通,三位三通阀V1不导通不工作,电机油泵2不工作。
具体实施的功能部件为ESC产品,功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到对应车轮卡钳总成的轮缸,油箱3的油液经三位三通阀V2直接连通到功能部件中,进行补油,调至如图11所示的管路与轮缸接通状态。功能部件的二入其中一路由一只三位三通阀将经由油箱过油滤直接连接。被测路通过自身管路上对应安装的流量传感器检测产品该路的流量特性,检测功能部件自吸单路建立压力的能力。
11、如图12所示,制动总成产品在该检测台上对功能部件自吸二入四出流量测试方法。
在四轮建压能力的测试情况下,四个两位三通阀V3~V6的A口和C口连接相通,四个三位三通阀V7~V10的A口和B口连接相通,两个三位三通阀V1、V2的A口和B口连接相通,电机油泵2不工作。
具体实施的功能部件为ESC产品,功能部件输出四路油压,四路的每一路上经各自的两位三通阀V3/V4/V5/V6和三位三通阀V7/V8/V9/V10连通到油箱3,同时油箱3的油液经三位三通阀V1、V2直接连通到功能部件中,进行补油,调至如图12所示的管路与轮缸接通状态。功能部件的二入由两只三位三通阀控制将经由油箱过油滤直接连接。每一路通过自身管路上对应安装的流量传感器检测产品的流量特性,检测功能部件自吸四路建立压力的能力。
12、如图13所示,制动总成产品在该检测台上对功能部件自吸一入一出流量测试方法。
在四轮建压能力的测试情况下,检测路上的两位三通阀V5的A口和C口连接相通,非检测路上的三个两位三通阀V3、V 4、V6不导通不工作,检测路上的三位三通阀V9的A口和B口连接相通,非检测路上的三个三位三通阀V7、V8、V10不导通不工作,三位三通阀V2的A口和B口连接相通,三位三通阀 V1不导通不工作,电机油泵2不工作。
具体实施的功能部件为ESC产品,功能部件输出一路油压,该路上经两位三通阀V5和三位三通阀V9连通到油箱3,油箱3的油液经三位三通阀V2直接连通到功能部件中,进行补油,调至如图12所示的管路与轮缸接通状态。
功能部件的二入其中一路由一只三位三通阀控制将经由油箱过油滤直接连接。每一路通过自身管路上对应安装的流量传感器检测产品的流量特性,检测功能部件自吸单路建立压力的能力。
Claims (7)
- 一种集成制动***检测台,包括第一产品检测位和第二产品检测位,其特征在于:包括电机推杆总成(4)、六个三位三通阀V1、V2和V7~V10,四个两位三通阀V3~V6、五个流量传感器Q0~Q4、五个压力传感器P0~P4、溢流阀(V0)、电机油泵(2)、油滤(1)和油箱(3);电机推杆总成(4)输出端和第一产品检测位的产品连接,第一产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的B口,第二产品检测位的产品的四个油路输出端分别连接到四个两位三通阀V3~V6的C口,四个两位三通阀V3~V6的A口经各自的流量传感器Q1~Q4连通到四个三位三通阀V7~V10的A口,三位三通阀V7~V10的C口经各自的压力传感器P1~P4分别连通到汽车四轮的四个制动卡钳总成的轮缸,三位三通阀V7~V10的B口经流量传感器Q0连通到油箱(3),油箱(3)经油滤(1)连通到电机油泵(2)的输入端,电机油泵(2)的输出端依次经溢流阀V0、油压传感器P0后连接到两个三位三通阀V1、V2的C口,同时油滤(1)和电机油泵(2)的输入端之间引出直接连接到两个三位三通阀V1、V2的B口,两个三位三通阀V1、V2的A口连接到第二产品检测位的产品的两个油路输入端。
- 根据权利要求1所述的一种集成制动***检测台,其特征在于:还包括数据处理中心(5),电机推杆总成(4)、电机油泵(2)、所有流量传感器Q0~Q4和压力传感器P0~P4均连接到数据处理中心,由数据处理中心(5)控制处理数据的采集和处理。
- 根据权利要求2所述的一种集成制动***检测台,其特征在于:第一产品检测位和第二产品检测位的产品上的电气端口和数据处理中心(5)连接。
- 根据权利要求1所述的一种集成制动***检测台,其特征在于:所述的第一产品检测位的产品具有一个伸缩输入端和四个油路输出端,第二产品检测位的产品具有两个油路输入端和四个油路输出端。
- 根据权利要求4所述的一种集成制动***检测台,其特征在于:第一产品检测位的产品例如为集成式制动***;第二产品检测位的产品例如为车身稳定控制***(ESC)。
- 一种集成制动***检测方法,其特征在于:采用上述权利要求1-5任一所述的集成制动***,针对不同的测试情况,对各处油路上的各个阀进行切换控制工作,结合电机推杆总成(4)及电机油泵(2)的控制,实现集成完善制 动***检测的测试功能。
- 根据权利要求6所述的一种集成制动***检测方法,其特征在于:该方法对第一产品检测位的建压能力、第二产品检测位的压力调节测试和流量测试、外部供压第二产品检测位的流量压力测试等多个方面,具体是利用设置在四个两位三通阀V3~V6、四个三位三通阀V7~V10和三位三通阀V1、V2的阀口接通和断开以及电机油泵(2)来控制油路工作,进而通过流量传感器和压力传感器进行测试。
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