CN107165891B - Hydraulic control unit high-voltage performance detection method, apparatus and system in automobile ESC - Google Patents
Hydraulic control unit high-voltage performance detection method, apparatus and system in automobile ESC Download PDFInfo
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- CN107165891B CN107165891B CN201710388997.6A CN201710388997A CN107165891B CN 107165891 B CN107165891 B CN 107165891B CN 201710388997 A CN201710388997 A CN 201710388997A CN 107165891 B CN107165891 B CN 107165891B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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Abstract
The present invention provides hydraulic control unit high-voltage performance detection methods in a kind of automobile ESC, apparatus and system, it is related to hydraulic control unit performance detection technical field in automobile ESC, on high-voltage performance detection device applied to hydraulic control unit in automobile ESC, the detection device is mounted on automobile ESC general assemblies detection production line, for the high-voltage performance detection ordering according to preset hydraulic control unit, detect the high-voltage performance of hydraulic control unit, and testing result is shown by human-computer interaction interface, so that staff determines whether subsequently to assemble hydraulic control unit according to testing result.Hydraulic control unit high-voltage performance detection method, apparatus and system in automobile ESC provided by the invention, high-voltage performance by detecting the ESC hydraulic control units on production line to general assembly is detected, the security risk brought by missing inspection is reduced to a certain extent, helps to improve production efficiency.
Description
Technical field
The present invention relates to hydraulic control unit detection technique fields in automobile ESC, more particularly, to liquid in a kind of automobile ESC
Press control unit high-voltage performance detection method, apparatus and system.
Background technology
Automobile ESC (Electronic Stability Control), full name is automobile electron stabilization control system, this is
System is monitored the dynamic situation and driver command of vehicle using various sensors, evaluates vehicle actual travel state and drives
The error that the person of sailing is intended to, adjust instruction, hydraulic control unit (HCU, Hydraulic Control are sent out according to evaluation result
Unit dependent instruction) is executed, adjustment wheel braking force endangers to vehicle due to turning to lose control of one's vehicle caused by excessive or understeer
Dangerous section's condition is intervened automatically, is suitably adjusted to vehicle yaw moment, so that vehicle is travelled according to the intention of driver, is improved
The steering response and lateral stability of vehicle；Vehicle is set safely to avoid barrier, it can on ice and snow road
Freely travel.
Therefore, people are while focusing on the comfort of automobile, reliability, economy, the safety to automobile it is also proposed that
Higher requirement, especially to the performance detection of hydraulic control unit, whether performance is qualified, to improving the peace of automobile entirety
Full property is most important.
Currently, the detecting step for hydraulic control unit mostly carries out after the completion of assembly, when detecting hydraulic control list
When the performance indicator of member is unsatisfactory for requiring, the hydraulic control unit for completing assembly is needed to carry out demolition and replacement, then fill again
Match, is tested for the property, although ensure that the performance and quality of product to a certain extent, for being unsatisfactory for requirement
Hydraulic control unit, dismounting and the process replaced not only waste man power and material, also result in working hour increase, reduce life
Produce efficiency.
Invention content
In view of this, the purpose of the present invention is to provide a kind of detection method of hydraulic control unit, apparatus and system, with
The high-voltage performance of hydraulic control unit is detected, production efficiency is improved.
In a first aspect, an embodiment of the present invention provides hydraulic control unit high-voltage performance detection method in a kind of automobile ESC,
For the high-voltage performance detection device of hydraulic control unit in automobile ESC, which is mounted on automobile ESC general assemblies
It detects on production line, in automobile ESC assembling process, high-voltage performance detection to be carried out to hydraulic control unit；This method packet
It includes：
After detection device monitors that hydraulic control unit is loaded into detecting tool, start the initialization of detection device
Journey makes the sensor of detection device and solenoid valve reset, and makes the clamp system clamping hydraulic control unit of detecting tool；Its
In, detecting tool is that the structure of fixed hydraulic control unit is used on detection device；According to preset hydraulic control unit
High-voltage performance detection ordering, the solenoid valve block and motor to hydraulic control unit are into row energization, to detect hydraulic control unit
High-voltage performance；Wherein, high-voltage performance detection includes one or more in following performance test：Pressure charging valve is closed test, increases
Pressure valve opens test, high pressure leakage test, high-pressure pump aptitude tests；Testing result is shown by human-computer interaction interface, so that work
Make personnel to determine whether subsequently to assemble hydraulic control unit according to testing result.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein opens
The initialization procedure of dynamic detection device includes：The sensor of detection device is zeroed；When reading and showing sensor zero, detection
The initial value of equipment judges whether detection device is normal according to initial value；Wherein, fuel-displaced when initial value includes sensor zero
The initial motor current value of the motor of mouthful pressure value, oiler pressure value and hydraulic control unit, solenoid valve electromagnetic coil
The supply voltage value of initial coil current value and detection device.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein presses
According to the high-voltage performance detection ordering of preset hydraulic control unit, solenoid valve block and motor to hydraulic control unit carry out
Excitation, the high-voltage performance to detect hydraulic control unit include：Successively to the solenoid valve of hydraulic control unit and Motor Capability into
The following high-voltage performance test of row：Pressure charging valve is closed test, pressure charging valve opens test, high pressure reveals test, high-pressure pump aptitude tests；
Recording test time respectively；When reaching preset time threshold between when tested, energized solenoid valve block is read respectively
And the test parameter of the energized corresponding test pipeline of solenoid valve block；The height of hydraulic control unit is detected according to test parameter
Press performance.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the third of first aspect
Possible embodiment, wherein it is above-mentioned according to test parameter detect hydraulic control unit high-voltage performance include：By test parameter
It is compared with pre-set threshold range；Judge whether the high-voltage performance of hydraulic control unit meets according to comparison result to want
It asks；When the testing result of a performance test is unqualified, stop carrying out subsequent performance test, by high-voltage performance detection
Testing result is determined as unqualified.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein on
It states and shows that testing result includes by human-computer interaction interface：The code and code pair of testing result are shown by human-computer interaction interface
The code information answered.
Second of possible embodiment with reference to first aspect or the third possible embodiment, the present invention are implemented
Example provides the 5th kind of possible embodiment of first aspect, wherein pressure charging valve is closed test and includes：It encourages in solenoid valve block
Pressure charging valve；The first setting duration is waited for, the coil current value of pressure charging valve is read；By the coil current value of pressure charging valve with it is preset
First current critical value is compared to obtain the first comparison result；Encourage the first testing tube on the corresponding detection device of pressure charging valve
Way solenoid valve, when tested between when reaching preset time threshold, read current oil outlet pressure value and oiler pressure
Value；After the completion of reading, stop the first test pipeline electromagnetic valve on excitation detection device；By oil outlet pressure value and oiler pressure
Force value is compared with preset first pressure value, obtains the second comparison result；Knot is compared according to the first comparison result and second
Fruit judges whether the pressure charging valve of hydraulic control unit is closed test result qualified；
Above-mentioned pressure charging valve opens test：Encourage the second test pipeline electromagnetic valve on the corresponding detection device of pressure charging valve；
The second setting duration is waited for, current oiler pressure value is read；Oiler pressure value and preset second pressure value are compared
To obtaining third comparison result；When stopping the second test pipeline electromagnetic valve of excitation and pressure charging valve after the completion of reading, and recording test
Between, when tested between when reaching preset time threshold, read current oil outlet pressure value；By oil outlet pressure value and in advance
If third pressure value be compared to obtain the 4th comparison result；Judge hydraulic pressure according to third comparison result and the 4th comparison result
Whether the pressure charging valve of control unit opens test result qualified.
The 5th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th kind of first aspect
Possible embodiment, wherein above-mentioned high-pressure leakage, which is tested, includes：Encourage pressure reducing valve, the second test pipeline in solenoid valve block
Inlet valve in solenoid valve and solenoid valve block；It waits for third to set duration, reads the coil current value of pressure reducing valve；By pressure reducing valve
Coil current value is compared to obtain the 5th comparison result with preset second current critical value；Read current oil outlet pressure value
With oiler pressure value；Oil outlet pressure value and oiler pressure value are compared with preset 4th pressure value respectively, obtained
To the 6th comparison result；Stop excitation the second test pipeline electromagnetic valve；The 4th setting duration is waited for, current oil outlet pressure is read
Oil outlet pressure value and oiler pressure value are tested pipeline electromagnetic valve by value and oiler pressure value with stopping excitation second respectively
Obtained oil outlet pressure value and oiler pressure value make the difference before, obtain difference, by difference and preset 5th pressure difference
Value is compared, and obtains the 7th comparison result；Judge liquid according to the 5th comparison result, the 6th comparison result and the 7th comparison result
Press the high-pressure leakage test result of control unit whether qualified；
Above-mentioned high-pressure pump aptitude tests include：The second test of excitation pipeline electromagnetic valve, the pressure charging valve in solenoid valve block, sucking
Valve and pressure limiting valve；Stop the pressure reducing valve in excitation solenoid valve block；The 5th setting duration is waited for, the pressure on hydraulic control unit is read
The reading of force snesor；With the first time oil outlet pressure value of current oil outlet；By the reading of pressure sensor and preset biography
Sensor pressure value is compared, and obtains the 8th comparison result；The motor for encouraging hydraulic control unit, reads the current of electric of motor
Value, motor current value is compared with preset motor current value, obtains the 9th comparison result；The 6th setting duration is waited for,
Read second of oil outlet pressure value of current oil outlet；According to first time oil outlet pressure value and second of oil outlet pressure value
Pump pressure increasing measuring pressure testing force value is calculated, pump pressure increasing measuring pressure testing force value is compared with preset pump pressure increasing measuring pressure testing force value, is obtained
Tenth comparison result；The height of hydraulic control unit is judged according to the 8th comparison result, the 9th comparison result and the tenth comparison result
Whether press pump aptitude tests result is qualified.
The 6th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 7th kind of first aspect
Possible embodiment, wherein the above method further includes：Pipeline pressure release is carried out to hydraulic control unit；Pipeline pressure release includes：Swash
It encourages the exhaust solenoid valve of the second test pipeline electromagnetic valve and the exhaust solenoid valve in oil outlet is set；Encourage the decompression of solenoid valve block
Valve and inlet valve；After waiting for the 7th setting duration, stop pressure reducing valve, inlet valve and the second testing tube of excitation solenoid valve block
The exhaust solenoid valve of way solenoid valve and the exhaust solenoid valve in oil outlet is set, completes pipeline pressure release.
Second aspect, the embodiment of the present invention additionally provide hydraulic control unit high-voltage performance detection dress in a kind of automobile ESC
It sets, is set on the high-voltage performance detection device of hydraulic control unit in automobile ESC, it is total which is mounted on automobile ESC
At on assembly detection production line, it is used in automobile ESC assembling process, high-voltage performance detection is carried out to hydraulic control unit；On
Stating device includes：Initialization module starts for working as after detection device monitors that hydraulic control unit is loaded into detecting tool
The initialization procedure of detection device makes the sensor of detection device and solenoid valve reset, and the clamp system of detecting tool is made to press from both sides
Tight hydraulic control unit；Wherein, detecting tool is that the structure of fixed hydraulic control unit is used on detection device；Performance detection mould
Block, for the high-voltage performance detection ordering according to preset hydraulic control unit, to the solenoid valve block of hydraulic control unit
With motor into row energization, to detect the high-voltage performance of hydraulic control unit；Wherein, high-voltage performance detection includes following performance test
In it is one or more：Pressure charging valve performance test, high-voltage performance test and pipeline pressure release test；Result display module, for leading to
It crosses human-computer interaction interface and shows testing result, so that staff is determined whether according to testing result to the hydraulic control unit
Subsequently assembled.
The third aspect, the embodiment of the present invention additionally provide hydraulic control unit high-voltage performance detection system in a kind of automobile ESC
System, the system are used for the high-voltage performance detection of hydraulic control unit in automobile ESC, including：Detection device and hydraulic pressure to be detected
Control unit, wherein detection device is mounted on automobile ESC general assemblies detection production line, and detection device is provided with second party
Hydraulic control unit high-voltage performance detection device, hydraulic control unit are loaded in the inspection of detection device in automobile ESC described in face
It surveys in tooling.
The embodiment of the present invention brings following advantageous effect：
Hydraulic control unit high-voltage performance detection method, apparatus and system in automobile ESC provided in an embodiment of the present invention lead to
The detecting tool that hydraulic control unit to be detected is loaded into detection device is crossed, according to preset hydraulic control unit
High-voltage performance detection ordering is monitored the high-voltage performance of hydraulic control unit, and is shown and detected by human-computer interaction interface
As a result, so that staff determines whether subsequently to assemble hydraulic control unit according to testing result, due to hydraulic control
Unit high-voltage performance detection device is mounted on ESC general assemblies detection production line so that in the dress of each hydraulic control unit
With in the process, the high-voltage performance detection can be carried out, the security risk brought by missing inspection is reduced, avoids to a certain extent
The man power and material for replacing hydraulic control unit, helps to improve production efficiency.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
Fig. 1 is the stream of hydraulic control unit high-voltage performance detection method in a kind of automobile ESC provided in an embodiment of the present invention
Cheng Tu；
Fig. 2 is hydraulic control unit high-voltage performance detection method in another automobile ESC provided in an embodiment of the present invention
Flow chart；
Fig. 3 is a kind of detects schematic diagram of hydraulic control unit provided in an embodiment of the present invention；
Fig. 4 is the knot of hydraulic control unit high-voltage performance detection device in a kind of automobile ESC provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 5 is the knot of hydraulic control unit high-voltage performance detecting system in a kind of automobile ESC provided in an embodiment of the present invention
Structure block diagram.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, hydraulic control unit, is assembled on product and carries out by the detection for hydraulic control unit mostly, when
When detecting unqualified, it is also necessary to carry out demolition and replacement to hydraulic control unit, not only waste man power and material, also cause
Working hour increase, reduces production efficiency.Based on this, hydraulic control unit in a kind of automobile ESC provided in an embodiment of the present invention
High-voltage performance detection method, apparatus and system, the technical issues of to alleviate low production efficiency caused by existing detection method.
For ease of understanding the present embodiment, first to a kind of hydraulic control unit disclosed in the embodiment of the present invention
Detection method describes in detail.
Embodiment one：
Hydraulic control unit high-voltage performance detection method in a kind of automobile ESC is present embodiments provided, in automobile ESC
On the high-voltage performance detection device of hydraulic control unit (hereinafter referred to as detection device), it is total which is mounted on automobile ESC
At on assembly detection production line, it is used in automobile ESC assembling process, high-voltage performance detection is carried out to hydraulic control unit；Such as
The flow chart of hydraulic control unit high-voltage performance detection method in automobile ESC shown in FIG. 1, this approach includes the following steps：
Step S102 starts detection device after detection device monitors that hydraulic control unit is loaded into detecting tool
Initialization procedure, so that the sensor of detection device and solenoid valve is resetted, and make the clamp system clamping hydraulic control of detecting tool
Unit processed；
Wherein, above-mentioned detecting tool is the structure for fixing the hydraulic control unit on the detection device.
Step S104, according to the high-voltage performance detection ordering of preset hydraulic control unit, to hydraulic control unit
Solenoid valve block and motor into row energization, to detect the high-voltage performance of hydraulic control unit；
Wherein, above-mentioned high-voltage performance detection includes one or more in following performance test：Pressure charging valve is closed test, increases
Pressure valve opens test, high pressure leakage test, high-pressure pump aptitude tests.
Step S106 shows testing result, so that determination is staff according to testing result by human-computer interaction interface
It is no that hydraulic control unit is subsequently assembled.
Specifically, it is provided with human-computer interaction interface in above-mentioned monitoring device, for example, display screen, can show testing result
Code and the corresponding code information of code so that staff, which can understand, accurately check the hydraulic control list of current detection
Whether the high-voltage performance of member meets the requirements.
Hydraulic control unit high-voltage performance detection method in automobile ESC provided in an embodiment of the present invention, by will be to be detected
Hydraulic control unit be loaded into the detecting tool of detection device, examined according to the high-voltage performance of preset hydraulic control unit
Survey sequence, is monitored the high-voltage performance of hydraulic control unit, and shows testing result by human-computer interaction interface, so that work
Make personnel to determine whether subsequently to assemble hydraulic control unit according to testing result, due to hydraulic control unit high-voltage performance
Detection device is mounted on ESC general assemblies detection production line so that in the assembling process of each hydraulic control unit, can
The high-voltage performance detection is carried out, the security risk brought by missing inspection is reduced, avoids replacement hydraulic control to a certain extent
The man power and material of unit, helps to improve production efficiency.
When specific implementation, the initialization procedure of above-mentioned startup detection device includes the following steps：(1) by the biography of detection device
Sensor is zeroed；(2) when reading and showing sensor zero, the initial value of detection device judges that the detection is set according to initial value
It is standby whether normal；Wherein, oil outlet pressure value, oiler pressure value and hydraulic pressure control when initial value includes sensor zero
The power supply electricity of the initial motor current value of the motor of unit processed, the initial coil current value of solenoid valve electromagnetic coil and detection device
Pressure value.
Embodiment two：
In practical application, being detected to the high-voltage performance of hydraulic control unit in automobile ESC by the above method, need
Following high-voltage performance test is carried out to the solenoid valve of hydraulic control unit and Motor Capability successively：Pressure charging valve is closed test, increases
Pressure valve opens test, high pressure leakage test and high-pressure pump aptitude tests, specifically, in another automobile ESC shown in Figure 2
The flow chart of hydraulic control unit high-voltage performance detection method, includes the following steps：
Step S202 starts detection device after detection device monitors that hydraulic control unit is loaded into detecting tool
Initialization procedure, so that the sensor of detection device and solenoid valve is resetted, and make the clamp system clamping hydraulic control of detecting tool
Unit processed；
Step S204 carries out following high-voltage performance test to the solenoid valve of hydraulic control unit and Motor Capability successively：Increase
Pressure valve is closed test, pressure charging valve opens test, high pressure reveals test, high-pressure pump aptitude tests；
Step S206, difference recording test time；
Step S208, when tested between when reaching preset time threshold, read energized solenoid valve block respectively
And the test parameter of the energized corresponding test pipeline of solenoid valve block；
Test parameter is compared step S210 with pre-set threshold range；
Step S212 judges whether the high-voltage performance of hydraulic control unit meets the requirements according to comparison result；
Step S214 stops carrying out subsequent performance test when the testing result of a performance test is unqualified, will
The testing result of high-voltage performance detection is determined as unqualified；
Step S216 shows code and the corresponding code information of code of testing result by human-computer interaction interface.
Hydraulic control unit high-voltage performance detection method in automobile ESC provided in an embodiment of the present invention, by will be to be detected
Hydraulic control unit be loaded into the detecting tool of detection device, examined according to the high-voltage performance of preset hydraulic control unit
Survey sequence, the high-voltage performance of hydraulic control unit is monitored, and by human-computer interaction interface show testing result code and
The corresponding code information of code enables staff clearly and simply to judge whether hydraulic control unit to be detected meets
It is required that meanwhile, as soon as when there is a performance detection unqualified, stops subsequent performance detection, enable staff according to inspection
The failure cause that result determines hydraulic control unit is surveyed, reduces man power and material when investigation failure, carries to a certain extent
High production efficiency.
Understand that the embodiment of the present invention additionally provides one kind for the ease of the detection method to above-mentioned hydraulic control unit
The detects schematic diagram of hydraulic control unit, as shown in figure 3, the structure in Fig. 3 more than dotted line is the structural schematic diagram of detection device,
It is the structural schematic diagram of hydraulic control unit to be detected below dotted line, PT1~PT5 is the pressure sensing on detection device in figure
Device, the pressure value for testing each pipeline, wherein PT4, PT5 are located at testing tube road, the pressure for detecting test pipeline
Value；PT1, PT2 are located at oil outlet, and PT3 is located at oiler, on the oil outlet pipeline where PT1, is additionally provided with solenoid valve SV-
4.P1 is the pressure sensor on hydraulic control unit.
The hydraulic control unit provided in the present embodiment, the solenoid valve in solenoid valve block include：Pressure charging valve, decompression
Valve, inlet valve, pressure limiting valve, check valve and test pipeline electromagnetic valve, wherein SV-1 and SV-2 forms the test of one group of detection device
Pipeline electromagnetic valve, SV-7 and SV-8 form the test pipeline electromagnetic valve of another group of detection device；It should be appreciated that shown in Fig. 3
The structure of hydraulic control unit is only a kind of preferred structure of the embodiment of the present invention, the quantity and piping connection feelings of solenoid valve
Condition, can also there is other forms in other embodiments, be specifically subject to and actually use situation, the embodiment of the present invention to this not
It is limited.
Based on the detects schematic diagram of hydraulic control unit shown in Fig. 3, in hydraulic control unit in the embodiment of the present invention
Solenoid valve carry out high-voltage performance detection include：Successively to the solenoid valve and the following property of Motor Capability progress in hydraulic control unit
It can test：Pressure charging valve is closed test, pressure charging valve opens test, high-pressure leakage is tested and high-pressure pump aptitude tests.
It is illustrated by taking the detects schematic diagram of hydraulic control unit shown in Fig. 3 as an example, when hydraulic control list to be detected
After member is loaded into detecting tool, detection device starts initialization procedure, and in the process, detection device carries out parameter self-test, from
The pressure charging valve for carrying out hydraulic control unit after the completion of inspection first is closed test.
Specifically, above-mentioned pressure charging valve is closed test and includes the following steps：
H01：Encourage the pressure charging valve in solenoid valve block；Wherein, pressure charging valve includes pressure charging valve 1 shown in Fig. 3, pressure charging valve 2, increases
Pressure valve 3 and pressure charging valve 4；
H02：The first setting duration, such as 0.5s is waited for read the coil current value of pressure charging valve；
The coil current value of pressure charging valve is compared with preset first current critical value to obtain the first comparison result, is had
When body is realized, the process of the comparison can carry out on the master controller backstage of detection device, and the first current critical value can root
It is configured by staff according to actual needs, by the current detecting instrument that is arranged on detection device come read coil electric current
Value, then be compared.Table 1 shows a kind of preferred numerical value deck watch, as shown in table 1：
Table 1：
For example, the high critical value of the first current critical value can be arranged to 6amp (Ampere, ampere), low critical value can be with
It is arranged to 4amp, when coil current value is less than 4amp, the human-computer interaction interface of detection device can show failure code " 2151 "
And the corresponding code information of the code " the coil current value of pressure charging valve is too low ", at this point, there may be not for hydraulic control unit
The failure being activated successively, high-voltage performance detection is unqualified, and staff can carry out failure according to this code and code information
Investigation.After the coil current value test of pressure charging valve passes through, following detecting step is continued to execute.
H03：Encourage the first test pipeline electromagnetic valve on the corresponding detection device of pressure charging valve, as shown in Figure 3 two groups electricity
Magnet valve SV-7 and SV-8, when tested between when reaching preset time threshold, read current oil outlet pressure value and enter oil
Mouth pressure value；The oil outlet pressure value is read out by pressure sensor PT1 and PT2, and oiler pressure value is passed by pressure
Sensor PT3 is read；
H04：After the completion of reading, stop excitation the first test pipeline electromagnetic valve；
H05：Oil outlet pressure value and oiler pressure value are compared with preset first pressure value, obtain the second ratio
To result；Wherein, preset first pressure value can be configured by staff according to actually detected situation, and the present invention is real
Example is applied to be not limited this.
Table 2 gives the deck watch of oil outlet pressure value and oiler pressure value that pressure charging valve is closed when testing, wherein table
Unit psi full name in English in 2 is Pounds per square inch.P is a pound pound, and S is a square square, and I is inch
inch.1MPa (megapascal)=145psi.
Table 2：
As shown in Table 2 when PT1 and PT2 output pressures value is there are one high critical value is more than, the code of response will be exported
Code information corresponding with the code, when PT3 output pressure values be less than low critical value when, also can output code it is corresponding with the code
Code information further when all values are in default range, export corresponding fault-free code and code information
It is checked for staff.
H06：Judge that the pressure charging valve of hydraulic control unit is closed test knot according to the first comparison result and the second comparison result
Whether fruit is qualified；
If pressure charging valve be closed test testing result in have one it is unqualified, no longer carry out subsequent detection, control
Clamp system discharges hydraulic control unit, meanwhile, detection device alarm signal is sent out, to prompt staff's hydraulic control list
Member is unqualified.If final result shows code " 2148 ", illustrates that pressure charging valve is closed test and passes through, be transferred to pressure charging valve and open survey
The flow of examination.
Specifically, above-mentioned pressure charging valve, which is opened to test, includes：
H07：Encourage the second test pipeline electromagnetic valve on the corresponding detection device of pressure charging valve；Wherein, the second test pipeline electricity
Magnet valve is two groups of solenoid valves SV-1 and SV-2 shown in Fig. 3.
H08：The second setting duration, such as 0.1s are waited for, at this point, pressure time is established in Hi-pot test reserves 2.0s；
H09：Read current oiler pressure value (registration shown in PT3)；
H10：Oiler pressure value is compared to obtain third comparison result with preset second pressure value；Wherein,
Two pressure values can be configured by staff according to actual needs.Table 3 gives oiler pressure when pressure charging valve opens test
The deck watch of force value, as shown in table 3：
Table 3：
H11：Stop excitation it is above-mentioned second test pipeline electromagnetic valve SV-1 and SV-2 and pressure charging valve (pressure charging valve 1, pressure charging valve 2,
Pressure charging valve 3 and pressure charging valve 4)；
H12：Recording test time, such as 2s；
H13：When reaching preset time threshold between when tested, current oil outlet pressure value (PT1, PT2 institute is read
The registration shown)；
H14：Oil outlet pressure value is compared to obtain the 4th comparison result with preset third pressure value；
H15：Judge that the pressure charging valve of hydraulic control unit opens test knot according to third comparison result and the 4th comparison result
Whether fruit is qualified.
Table 4 gives the deck watch of oil outlet pressure value when pressure charging valve opens test, as shown in table 4：
Table 4：
When in third result or the 4th result there are one be worth it is undesirable, then illustrate pressure charging valve open test do not lead to
It crosses, for example, output code " 2211 ", then illustrate oil outlet hypotony at this time, it is understood that there may be pipeline defect or plug lack
The failures such as sunken or pressure charging valve defect, at this point, staff can investigate according to the failure code and code information.
Pass through if above-mentioned pressure charging valve opens test, continues high-pressure leakage test.
Specifically, high-pressure leakage test includes following process：
H16：Encourage the inlet valve in pressure reducing valve, the second test pipeline electromagnetic valve and the solenoid valve block in solenoid valve block；
Wherein, pressure reducing valve includes pressure reducing valve 1, pressure reducing valve 2, pressure reducing valve 3 and pressure reducing valve 4 shown in Fig. 3, the second test pipeline
Solenoid valve is two groups of SV-1 and SV-2 in Fig. 3.
H17：Third is waited for set duration, it is preferable that Hi-pot test establishes pressure time and reserves 2.0s, and the response valve time is pre-
Stay 0.5s；
H18：Read the coil current value of pressure reducing valve；
H19：The coil current value of institute's pressure reducing valve is compared with preset second current critical value obtain the 5th and be compared
As a result；
Specifically, can be by the current detecting instrument that is arranged on detection device come read coil current value, then compared
It is right.
Table 5 shows preferred current values deck watch when a kind of high-pressure leakage test, as shown in table 5：
Table 5：
Such as：Human-computer interaction interface show failure code " 2251 " and the corresponding code information of the code " pressure charging valve
Coil current value is too low " when, staff can know the failure that pressure reducing valve at this time may be activated successively, staff
Malfunction elimination can be carried out according to this code and code information.After the coil current value test of pressure charging valve passes through, continue to execute
Following detecting step.Wherein, above-mentioned second current critical value can be configured according to actual use situation, the embodiment of the present invention
This is not limited.
H20：Read current oil outlet pressure value and oiler pressure value；
H21：Oil outlet pressure value and oiler pressure value are compared with preset 4th pressure value respectively, obtain
Six comparison results；One kind of oil outlet pressure value and oiler pressure value is preferred when table 6 gives a kind of high-pressure leakage test
Numerical value deck watch, as shown in table 6：
According to numerical value shown in table 6, detection device may determine that whether oil outlet pressure at this time and oiler pressure are normal.
When detection device shows code " 2267 " at this time, continue to test subsequent process.
H22：Stop the second test pipeline electromagnetic valve (SV-1 and SV-2) of excitation；
H23：The 4th setting duration is waited for, current oil outlet pressure value and oiler pressure value (PT1, PT2 and PT3 are read
The pressure value exported at this time), by this time oil outlet pressure value and oiler pressure value respectively with stop encourage the second testing tube
Obtained oil outlet pressure value and oiler pressure value before way solenoid valve (the oil outlet pressure value that is read in H20 steps and
Oiler pressure value) it makes the difference, difference is obtained, which is compared with preset 5th pressure difference value, obtains the 7th comparison
As a result；
Wherein, the 5th pressure difference value can be with critical value shown in reference table 7, as shown in table 7：
Table 7
H24：The high pressure of hydraulic control unit is judged according to the 5th comparison result, the 6th comparison result and the 7th comparison result
Whether leak-testing result is qualified；
If undesirable there are one numerical value in above-mentioned comparison result, stop detecting subsequent process, detection device
Alarm is sent out, human-computer interaction interface shows corresponding code and code information；If human-computer interaction interface shows code
" 2294 " and corresponding code information then illustrates that high-pressure leakage test passes through, the process for continuing to execute high-pressure pump aptitude tests.
Specifically, the process of above-mentioned high-pressure pump aptitude tests includes：
H25：Excitation institute second tests pipeline electromagnetic valve (two groups of SV1 and SV-2 in Fig. 3), the pressure charging valve in solenoid valve block
(in this step, only need to encourage pressure charging valve 1 and pressure charging valve 3), inlet valve and pressure limiting valve；Stop the decompression in excitation solenoid valve block
Valve (pressure reducing valve 1, pressure reducing valve 2, pressure reducing valve 3 and pressure reducing valve 4)；
H26：The 5th setting duration is waited for, at this point, loine pressure, which is established, reserves 1.0s；
H27：Read the reading of the pressure sensor on hydraulic control unit；With the first time oil outlet pressure of current oil outlet
Force value (pressure value of PT1 outputs)；
Wherein, the reading of the pressure sensor can (Electronic Control Unit, electronic control be single by ECU
Member) it is read out, which is automobile specified microcomputerized controller, by microprocessor (CPU), memory (ROM, RAM), input/defeated
The large scale integrated circuits composition such as outgoing interface (I/O), analog-digital converter (A/D) and shaping, driving, specifically, which can be with
With reference to related art data, the embodiment of the present invention is not repeating this.
H28：The reading of pressure sensor is compared with preset sensor pressure values, obtains the 8th comparison result；
Specifically, the embodiment of the present invention additionally provides a kind of pressure sensor numerical value deck watch, as shown in table 8：
Table 8：
According to numerical value shown in table 8, judge that pressure sensor tests whether to pass through.
H29：Encourage the motor of hydraulic control unit；At this point, 0.2s is reserved in motor response；
Specifically, which can also be encouraged by ECU；
H30：The motor current value for reading motor, motor current value is compared with preset motor current value, is obtained
9th comparison result；Wherein, motor current value can be read out by ECU, and further, the numerical value of the 9th comparison result can
With reference table 9.
Table 9：
(at this point it is possible to make pump capacity testing time reserved 4.0 seconds) reads current oil outlet after waiting for the 6th setting duration
Second of the oil outlet pressure value pressure value of output (PT1)
H31：Pump pressure increasing measuring pressure testing force value is calculated according to first time oil outlet pressure value and second of oil outlet pressure value,
In, pump pressure increasing measuring pressure testing force value=second of oil outlet pressure value-first time oil outlet pressure value；
H32：Pump pressure increasing measuring pressure testing force value is compared with preset pump pressure increasing measuring pressure testing force value, obtains the tenth comparison knot
Fruit；Wherein, table 10 shows a kind of numerical tabular of preferred pump pressure increasing measuring pressure testing force value, as shown in table 10：
Table 10：
When man-machine display interface display code " 2372 " of detection device, then illustrate that pumping boosting capability test passes through, it is no
Then, then illustrate that the hydraulic control unit is faulty, detection device stops detecting subsequent process, and sends out alarm.
H33：Judge hydraulic control unit according to above-mentioned 8th comparison result, the 9th comparison result and the tenth comparison result
Whether high-pressure pump aptitude tests result is qualified.
It is that, when above-mentioned steps H33 shows code " 2372 ", above-mentioned monitoring method further includes to hydraulic pressure control actually detected
Unit processed carries out pipeline pressure release, and to terminate current testing process, specifically, above-mentioned pipeline pressure release includes the following steps：
H34：Excitation second tests the exhaust solenoid valve (SV-1 and SV-2) of pipeline electromagnetic valve and the row in oil outlet is arranged
Pneumoelectric magnet valve, (two solenoid valve SV-4 in Fig. 3)；
Encourage the pressure reducing valve (pressure reducing valve 1, pressure reducing valve 2, pressure reducing valve 3 and pressure reducing valve 4) and inlet valve of solenoid valve block；
H35：The 7th setting duration is waited for, at this point, 0.5s is reserved in pipeline pressure release；
H36：Stop pressure reducing valve (pressure reducing valve 1, pressure reducing valve 2, pressure reducing valve 3 and pressure reducing valve 4), the sucking of excitation solenoid valve block
The exhaust solenoid valve of valve and the second test pipeline electromagnetic valve and the exhaust solenoid valve in oil outlet is set, completes pipeline pressure release.
At this point, the frock clamp of detection device unclamps above-mentioned hydraulic control unit, test is completed.
It should be appreciated that the information such as numerical value and code in the 1~table of table 10 provided in above-described embodiment, only of the invention
A kind of preferred form of embodiment, rather than unique forms, can also there is other numerical value or use in other embodiments
Other codes are specifically subject to and actually use situation, and it is not limited by the embodiments of the present invention.
Embodiment three：
Corresponding to the detection method of the hydraulic control unit described in above-described embodiment one, the present embodiment additionally provides a kind of vapour
Hydraulic control unit high-voltage performance detection device in vehicle ESC, the device are set to the voltage resistance of hydraulic control unit in automobile ESC
On energy detection device, which is mounted on automobile ESC general assemblies detection production line, for being assembled in automobile ESC
Cheng Zhong carries out high-voltage performance detection to hydraulic control unit；Hydraulic control unit high-voltage performance in automobile ESC as shown in Figure 4
The structural schematic diagram of detection device, the device include：Initialization module 10, performance detection module 20 and result display module 30,
The function of modules is as follows：
Initialization module 10 starts for working as after detection device monitors that hydraulic control unit is loaded into detecting tool
The initialization procedure of detection device makes the sensor of detection device and solenoid valve reset, and the clamp system of detecting tool is made to press from both sides
The tight hydraulic control unit；Wherein, detecting tool is that the structure of fixed hydraulic control unit is used on detection device；
Performance detection module 20, for the high-voltage performance detection ordering according to preset hydraulic control unit, to liquid
The solenoid valve block and motor of pressure control unit are into row energization, to detect the high-voltage performance of hydraulic control unit；Wherein, high-voltage performance
Detection includes one or more in following performance test：Pressure charging valve performance test, high-voltage performance test and pipeline pressure release test；
Result display module 30, for showing testing result by human-computer interaction interface, so that staff is according to detection
As a result determine whether subsequently to assemble hydraulic control unit.
Hydraulic control unit high-voltage performance detection device in automobile ESC provided in an embodiment of the present invention, by will be to be detected
Hydraulic control unit be loaded into the detecting tool of detection device, examined according to the high-voltage performance of preset hydraulic control unit
Survey sequence, is monitored the high-voltage performance of hydraulic control unit, and shows testing result by human-computer interaction interface, so that work
Make personnel to determine whether subsequently to assemble hydraulic control unit according to testing result, due to hydraulic control unit high-voltage performance
Detection device is mounted on ESC general assemblies detection production line so that in the assembling process of each hydraulic control unit, can
The high-voltage performance detection is carried out, the security risk brought by missing inspection is reduced, avoids replacement hydraulic control to a certain extent
The man power and material of unit, helps to improve production efficiency.
Hydraulic control unit high-voltage performance detection device in automobile ESC provided in an embodiment of the present invention, with previous embodiment
Hydraulic control unit high-voltage performance detection method technical characteristic having the same in the automobile ESC of offer, so can also solve phase
Same technical problem, reaches identical technique effect.
Example IV：
On the basis of the above embodiments, it is high to additionally provide hydraulic control unit in a kind of automobile ESC for the embodiment of the present invention
Performance detecting system, the system is pressed to be used for the high-voltage performance detection of hydraulic control unit in automobile ESC, one kind as shown in Figure 5
The structure diagram of hydraulic control unit high-voltage performance detecting system, the system include in automobile ESC：Detection device 500 and to be checked
The hydraulic control unit 501 of survey, wherein detection device 500 is mounted on automobile ESC general assemblies detection production line, and detection is set
Standby 500 are provided with hydraulic control unit high-voltage performance detection device, hydraulic control list in the automobile ESC described in above-described embodiment three
Member 501 is loaded in the detecting tool of detection device 500.
In actual use, above-mentioned monitoring device is provided with human-computer interaction interface, can show testing result code and be somebody's turn to do
The corresponding code information of code makes staff determine whether subsequently to assemble hydraulic control unit to facilitate.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Hydraulic control unit high-voltage performance detection method, apparatus and system in the automobile ESC that the embodiment of the present invention is provided
Computer program product, including store the computer readable storage medium of program code, the finger that said program code includes
It enables and can be used for executing the method described in previous methods embodiment, specific implementation can be found in embodiment of the method, and details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.To those skilled in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
Finally it should be noted that：Above example, only specific implementation mode of the invention, to illustrate the skill of the present invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it should be understood by those skilled in the art that：Any one skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to the technical solution recorded in previous embodiment or can readily occur in change
Change or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make relevant art
Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. hydraulic control unit high-voltage performance detection method in a kind of automobile ESC, the height for hydraulic control unit in automobile ESC
It presses on performance detection apparatus, which is characterized in that the detection device is mounted on automobile ESC general assemblies detection production line, is used
In in automobile ESC assembling process, high-voltage performance detection is carried out to hydraulic control unit；The method includes：
After the detection device monitors that the hydraulic control unit is loaded into detecting tool, start the detection device
Initialization procedure makes the sensor of the detection device and solenoid valve reset, and the clamp system of the detecting tool is made to clamp
The hydraulic control unit；Wherein, the detecting tool is on the detection device for fixing the hydraulic control unit
Structure；
According to the high-voltage performance detection ordering of the preset hydraulic control unit, to the electromagnetism of the hydraulic control unit
Valve group and motor are into row energization, to detect the high-voltage performance of the hydraulic control unit；Wherein, the high-voltage performance, which detects, includes
It is one or more in following performance test：Pressure charging valve is closed test, pressure charging valve opens test, high pressure reveals test, high-pressure pump
Aptitude tests；
Testing result is shown by human-computer interaction interface, so that staff determines whether according to the testing result to the liquid
Pressure control unit is subsequently assembled；
Wherein, the high-voltage performance detection ordering according to the preset hydraulic control unit, to the hydraulic control
Into row energization, the high-voltage performance to detect the hydraulic control unit includes the solenoid valve block and motor of unit：
The solenoid valve to the hydraulic control unit and Motor Capability carry out following high-voltage performance test successively：Pressure charging valve, which is closed, to be surveyed
Test, high pressure leakage test, high-pressure pump aptitude tests are opened in examination, pressure charging valve；
Recording test time respectively；
When the testing time reaching preset time threshold, read respectively the energized solenoid valve block and by
The test parameter of the corresponding test pipeline of the solenoid valve block of excitation；
The high-voltage performance of the hydraulic control unit is detected according to the test parameter；
The pressure charging valve is closed test：
Encourage the pressure charging valve in solenoid valve block；
The first setting duration is waited for, the coil current value of the pressure charging valve is read；
The coil current value of the pressure charging valve is compared to obtain the first comparison result with preset first current critical value；
Encourage on the corresponding detection device of the pressure charging valve first test pipeline electromagnetic valve, when tested between reach advance
When the time threshold of setting, current oil outlet pressure value and oiler pressure value are read；
After the completion of reading, stop encouraging the first test pipeline electromagnetic valve on the detection device；
The oil outlet pressure value and the oiler pressure value are compared with preset first pressure value, obtain the second ratio
To result；
Judge that the pressure charging valve of the hydraulic control unit is closed according to first comparison result and second comparison result to survey
Whether test result is qualified；
The pressure charging valve opens test：
Encourage the second test pipeline electromagnetic valve on the corresponding detection device of the pressure charging valve；
The second setting duration is waited for, current oiler pressure value is read；By the oiler pressure value and preset second pressure
Value is compared to obtain third comparison result；
Stop the excitation second test pipeline electromagnetic valve and the pressure charging valve, and recording test time after the completion of reading, works as institute
When stating the testing time and reaching preset time threshold, current oil outlet pressure value is read；
The oil outlet pressure value is compared to obtain the 4th comparison result with preset third pressure value；
Judge that the pressure charging valve of the hydraulic control unit is opened according to the third comparison result and the 4th comparison result to survey
Whether test result is qualified.
2. according to the method described in claim 1, it is characterized in that, the initialization procedure packet for starting the detection device
It includes：
The sensor of the detection device is zeroed；
When reading and showing the sensor zero, the initial value of the detection device judges the inspection according to the initial value
Whether measurement equipment is normal；Wherein, oil outlet pressure value, oiler pressure when the initial value includes the sensor zero
The initial motor current value of the motor of value and the hydraulic control unit, the initial coil current value of solenoid valve electromagnetic coil
With the supply voltage value of the detection device.
3. according to the method described in claim 1, it is characterized in that, described detect the hydraulic control according to the test parameter
The high-voltage performance of unit includes：
The test parameter is compared with pre-set threshold range；
Judge whether the high-voltage performance of the hydraulic control unit meets the requirements according to comparison result；
When the testing result of a performance test is unqualified, stop carrying out subsequent performance test, by the high-voltage performance
The testing result of detection is determined as unqualified.
4. according to the method described in claim 1, it is characterized in that, described show testing result packet by human-computer interaction interface
It includes：
Code and the corresponding code information of the code of the testing result are shown by human-computer interaction interface.
5. according to the method described in claim 1, it is characterized in that, high-pressure leakage test includes：
Encourage the inlet valve in pressure reducing valve, the second test pipeline electromagnetic valve and the solenoid valve block in solenoid valve block；
It waits for third to set duration, reads the coil current value of the pressure reducing valve；
The coil current value of the pressure reducing valve is compared to obtain the 5th comparison result with preset second current critical value；
Read current oil outlet pressure value and oiler pressure value；By the oil outlet pressure value and the oiler pressure value point
It is not compared with preset 4th pressure value, obtains the 6th comparison result；
Stop excitation the second test pipeline electromagnetic valve；
Wait for the 4th setting duration, read current oil outlet pressure value and oiler pressure value, by the oil outlet pressure value and
The oiler pressure value is obtained described fuel-displaced before testing pipeline electromagnetic valve with stopping excitation described second respectively
Mouth pressure value and oiler pressure value make the difference, and obtain difference, the difference is compared with preset 5th pressure difference value, is obtained
To the 7th comparison result；
The high pressure of the hydraulic control unit is judged according to the 5th comparison result, the 6th comparison result and the 7th comparison result
Whether leak-testing result is qualified；
The high-pressure pump aptitude tests include：
Encourage the second test pipeline electromagnetic valve, the pressure charging valve in the solenoid valve block, inlet valve and pressure limiting valve；
Stop encouraging the pressure reducing valve in the solenoid valve block；
The 5th setting duration is waited for, the reading of the pressure sensor on the hydraulic control unit is read；With current oil outlet
First time oil outlet pressure value；
The reading of the pressure sensor is compared with preset sensor pressure values, obtains the 8th comparison result；
The motor for encouraging the hydraulic control unit reads the motor current value of the motor, by the motor current value and in advance
If motor current value be compared, obtain the 9th comparison result；
The 6th setting duration is waited for, second of oil outlet pressure value of current oil outlet is read；
Pump pressure increasing measuring pressure testing force value is calculated according to the first time oil outlet pressure value and second of oil outlet pressure value, it will
The pump pressure increasing measuring pressure testing force value is compared with preset pump pressure increasing measuring pressure testing force value, obtains the tenth comparison result；
Judge the hydraulic control list according to the 8th comparison result, the 9th comparison result and the tenth comparison result
Whether the high-pressure pump aptitude tests result of member is qualified.
6. according to the method described in claim 5, it is characterized in that, the method further includes：To the hydraulic control unit into
Row pipeline pressure release；
The pipeline pressure release includes：
It encourages the exhaust solenoid valve of the second test pipeline electromagnetic valve and the exhaust solenoid valve in oil outlet is set；
Encourage the pressure reducing valve and inlet valve of the solenoid valve block；
After waiting for the 7th setting duration, stop the pressure reducing valve, inlet valve and second testing tube that encourage the solenoid valve block
The exhaust solenoid valve of way solenoid valve and the exhaust solenoid valve in oil outlet is set, completes the pipeline pressure release.
7. hydraulic control unit high-voltage performance detection device in a kind of automobile ESC, is set to hydraulic control unit in automobile ESC
On high-voltage performance detection device, which is characterized in that the detection device is mounted on automobile ESC general assemblies detection production line,
For in automobile ESC assembling process, high-voltage performance detection to be carried out to hydraulic control unit；Described device includes：
Initialization module is opened for working as after the detection device monitors that the hydraulic control unit is loaded into detecting tool
The initialization procedure for moving the detection device makes the sensor of the detection device and solenoid valve reset, and makes the detection work
The clamp system of dress clamps the hydraulic control unit；Wherein, the detecting tool on the detection device for fixing institute
State the structure of hydraulic control unit；
Performance detection module, for the high-voltage performance detection ordering according to the preset hydraulic control unit, to described
The solenoid valve block and motor of hydraulic control unit are into row energization, to detect the high-voltage performance of the hydraulic control unit；Wherein, institute
It includes one or more in following performance test to state high-voltage performance detection：Pressure charging valve performance test, high-voltage performance test and pipe
Road pressure release test；
Result display module, for showing testing result by human-computer interaction interface, so that staff ties according to the detection
Fruit determines whether subsequently to assemble the hydraulic control unit；
Wherein, performance detection module is used for：
The solenoid valve to the hydraulic control unit and Motor Capability carry out following high-voltage performance test successively：Pressure charging valve, which is closed, to be surveyed
Test, high pressure leakage test, high-pressure pump aptitude tests are opened in examination, pressure charging valve；
Recording test time respectively；
When the testing time reaching preset time threshold, read respectively the energized solenoid valve block and by
The test parameter of the corresponding test pipeline of the solenoid valve block of excitation；
The high-voltage performance of the hydraulic control unit is detected according to the test parameter；
The pressure charging valve is closed test：
Encourage the pressure charging valve in solenoid valve block；
The first setting duration is waited for, the coil current value of the pressure charging valve is read；
The coil current value of the pressure charging valve is compared to obtain the first comparison result with preset first current critical value；
Encourage on the corresponding detection device of the pressure charging valve first test pipeline electromagnetic valve, when tested between reach advance
When the time threshold of setting, current oil outlet pressure value and oiler pressure value are read；
After the completion of reading, stop encouraging the first test pipeline electromagnetic valve on the detection device；
The oil outlet pressure value and the oiler pressure value are compared with preset first pressure value, obtain the second ratio
To result；
Judge that the pressure charging valve of the hydraulic control unit is closed according to first comparison result and second comparison result to survey
Whether test result is qualified；
The pressure charging valve opens test：
Encourage the second test pipeline electromagnetic valve on the corresponding detection device of the pressure charging valve；
The second setting duration is waited for, current oiler pressure value is read；By the oiler pressure value and preset second pressure
Value is compared to obtain third comparison result；
Stop the excitation second test pipeline electromagnetic valve and the pressure charging valve, and recording test time after the completion of reading, works as institute
When stating the testing time and reaching preset time threshold, current oil outlet pressure value is read；
The oil outlet pressure value is compared to obtain the 4th comparison result with preset third pressure value；
Judge that the pressure charging valve of the hydraulic control unit is opened according to the third comparison result and the 4th comparison result to survey
Whether test result is qualified.
8. hydraulic control unit high-voltage performance detecting system in a kind of automobile ESC, which is characterized in that the system is used for automobile
The high-voltage performance detection of hydraulic control unit in ESC, the system comprises：Detection device and hydraulic control unit to be detected,
Wherein, the detection device is mounted on automobile ESC general assemblies detection production line, and the detection device is provided with claim
Hydraulic control unit high-voltage performance detection device in automobile ESC described in 7, the hydraulic control unit are loaded in the detection and set
In standby detecting tool.
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| US20110153142A1 (en) * | 2009-12-18 | 2011-06-23 | International Truck Intellectual Property Company, Llc. | Vehicle Installed Cement Mixer Control |
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| CN101566527A (en) * | 2009-04-03 | 2009-10-28 | 清华大学 | Hydraulic control unit performance test station for stability control system in vehicle dynamics |
| CN202420797U (en) * | 2011-12-22 | 2012-09-05 | 京西重工（上海）有限公司 | High-pressure test system |
| CN104179752A (en) * | 2014-07-23 | 2014-12-03 | 清华大学 | Performance test system for HCU (hydraulic control unit) in automobile brake system |
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