CN109580219A - Double pump clutch function detecting method and equipment - Google Patents
Double pump clutch function detecting method and equipment Download PDFInfo
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- CN109580219A CN109580219A CN201811556572.2A CN201811556572A CN109580219A CN 109580219 A CN109580219 A CN 109580219A CN 201811556572 A CN201811556572 A CN 201811556572A CN 109580219 A CN109580219 A CN 109580219A
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- General Physics & Mathematics (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a kind of double pump clutch function detecting method and equipment, method includes: the commutation pressure detecting and commutating period detection of reversal valve, wherein commutation pressure detecting are as follows: starting mechanical pump and electric pump；The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；The reversal valve pressure value in the pressure period for adjusting main force's solenoid valve is obtained, pressure jump value is obtained, mutation value is commutation pressure value；Commutating period detection are as follows: starter motor tool pump and electric pump；The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；Obtain the reversal valve pressure value in the pressure period for adjusting main force's solenoid valve, and also obtain the pressure value of the principal pressure slide valve in the period, respectively obtain the time that the mutation value of reversal valve pressure value occurs, and the time that the mutation value of the pressure value of principal pressure slide valve occurs, the time difference of the two are commutating period.Multi-functional detection may be implemented in double pump clutch function detecting method of the invention and equipment.
Description
Technical field
The present invention relates to double pump clutch function detecting method and equipment.
Background technique
For double pump DCT newly developed, (double clutch gearbox abbreviation DCT, full name in English are Dual Clutch at present
Transmission the function and property of individual mechanical pump, electronic pump and single mechanical valve) can not be carried out in entire module
It can test.
Summary of the invention
The object of the present invention is to provide a kind of double pump clutch function detecting method and equipment, can be realized multiple functions
Detection.
Double pump clutch function detecting method of the invention, comprising: the commutation pressure detecting of reversal valve and commutating period inspection
It surveys, wherein the commutation pressure detecting are as follows: starting mechanical pump and electric pump；The pressure of main force's solenoid valve is adjusted, range is in 8bar-
12bar, change rate 0.1bar/s；The reversal valve pressure value in the pressure period for adjusting main force's solenoid valve is obtained, pressure is obtained
Mutation value, the mutation value are commutation pressure value；The commutating period detection are as follows: starter motor tool pump and electric pump；Adjust main force's electricity
The pressure of magnet valve, range is in 8bar-12bar, change rate 0.1bar/s；It obtains in the pressure period for adjusting main force's solenoid valve
Reversal valve pressure value, and the pressure value of the principal pressure slide valve in the period is also obtained, respectively obtain the prominent of reversal valve pressure value
The time that the mutation value of the pressure value of time and principal pressure slide valve that variate occurs occurs, when the time difference of the two is commutation
Between.
Double pump clutch function detecting method as described above, wherein further include: accumulator performance detection；The accumulation of energy
Device performance detection are as follows: in the state of removing accumulator, measure the first pressure value of working connection, and first in record unit time
Pressure oscillation width；In the state of connecting accumulator, the second pressure value of working connection is measured, and the second pressure in record unit time
Fluctuation width；Compare first pressure fluctuation width and second pressure fluctuation width.
Double pump clutch function detecting method as described above, wherein further include: unidirectional valve opening pressure detection；It is described
Unidirectional valve opening pressure is detected as: detecting the third pressure of working connection；Detect the 4th pressure between reversal valve and check valve；It obtains
Obtain the pressure difference of third pressure and the 4th pressure.
Double pump clutch function detecting method as described above, wherein further include: the test of electronic oil pump fuel delivery and machinery
Oil pump feed measures；The electronic oil pump fuel delivery test are as follows: open electronic pump, adjust principal pressure solenoid valve, pressure is adjusted
To 10bar hereinafter, acquisition electronic pump maximum output flow and oil return circuit flow, the two add up to electronic oil pump fuel delivery；Institute
State the test of mechanical oil pump fuel delivery are as follows: open mechanical pump, adjust principal pressure solenoid valve, pressure is adjusted to 10bar hereinafter, obtaining
Mechanical pump maximum output flow and oil return circuit flow, the two add up to mechanical oil pump fuel delivery.
A kind of double pump clutch function detection equipment for above-mentioned detection method, comprising: electronic pump detection plate, mechanical pump
Detection plate and partition；Wherein, the electronic pump detection plate has the first face and the second face, and first face is functional surfaces, described
Second face is oil circuit face, and the electronic pump detection plate has the oil circuit for being connected to first face and second face；The machine
Tool, which pumps detection plate, has third face and fourth face, and the third face is functional surfaces, and the fourth face is oil circuit face, and the machinery
Pumping detection plate has the oil circuit for being connected to the third face and the fourth face；There is oil circuit, the partition clamps on the partition
Between second face and the fourth face, complete oil circuit is formed；Wherein, electronic pump installation is provided on first face
Face, for installing electronic pump；And principal pressure solenoid valve, accumulator, first pressure sensor and second pressure sensor；Institute
It states and is provided with mechanical pump mounting surface on third face, for installing mechanical pump；And principal pressure slide valve, safety valve；In electronic pump
Check valve and reversal valve are provided in detection plate or in mechanical pump detection plate.
Double pump clutch function detection equipment as described above, wherein the mechanical pump mounting surface is connected with mechanical pump
Hole is communicated to the complete oil circuit；The electronic pump mounting surface has electronic pump connecting hole, is communicated to the complete oil circuit.
Double pump clutch function detection equipment as described above, wherein the complete oil circuit includes: working connection, and one end connects
Lead to the accumulator, the other end is connected to the reversal valve；Attached oil circuit has two, and one is connected to the reversal valve, and another
It is connected to the principal pressure slide valve, and two attached oil circuits are also respectively communicated with an instrument connection, the instrument connection is formed in
In the electronic pump detection plate or in mechanical pump detection plate；The first end of the principal pressure slide valve is connected in the working connection, the
Two ends are connected to the first end of the principal pressure solenoid valve, and the second end of the principal pressure solenoid valve is led to repeatedly in the check valve；
The check valve connection is between the second end and the reversal valve of the principal pressure solenoid valve；The first pressure sensor connects
Lead in the working connection close to one end of the accumulator；Second pressure sensor connection is in the check valve and described changes
To between valve.
Multi-functional detection may be implemented in double pump clutch function detecting method of the invention and equipment, is easy to use.
Detailed description of the invention
Fig. 1 is the schematic diagram at a visual angle of double pump clutch function detection equipment of the present invention；
Fig. 2 is the schematic diagram at another visual angle of double pump clutch function detection equipment of the present invention；
Fig. 3 is the schematic diagram of mechanical pump detection plate fourth face in double pump clutch function detection equipment of the present invention；
Fig. 4 is the schematic diagram of partition in double pump clutch function detection equipment of the present invention；
Fig. 5 is the schematic diagram of working connection in double pump clutch function detection equipment of the present invention.
Appended drawing reference:
Electronic pump detection plate 1；Mechanical pump detection plate 2；Partition 3；Principal pressure solenoid valve 4；Accumulator 5；Principal pressure slide valve 6；
Safety valve 7；Reversal valve 8；First pressure sensor 91；Second pressure sensor 92；Check valve 11.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
The present invention discloses a kind of double pump clutch function detecting method, comprising: the commutation pressure detecting of reversal valve and commutation
Time detection, wherein the commutation pressure detecting are as follows:
Start mechanical pump and electric pump；
The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；It obtains and adjusts main force's electricity
Reversal valve pressure value in the pressure period of magnet valve, obtains pressure jump value, and the mutation value is commutation pressure value.
The commutating period detection are as follows:
Start mechanical pump and electric pump；
The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；It obtains and adjusts main force's electricity
Reversal valve pressure value in the pressure period of magnet valve, and the pressure value of the principal pressure slide valve in the period is also obtained, respectively
The time that the mutation value of the pressure value of the time and principal pressure slide valve that occur to the mutation value of reversal valve pressure value occurs, two
The time difference of person is commutating period.
Further include: accumulator performance detection, method are as follows:
In the state of removing accumulator, the first pressure value of working connection, and the first pressure in record unit time are measured
Fluctuate width.
In the state of connecting accumulator, the second pressure value of working connection, and the second pressure in record unit time are measured
Fluctuate width.
Compare first pressure fluctuation width and second pressure fluctuation width.
Second pressure fluctuates width, and generally requiring indicates qualified less than or equal to 4bar, meanwhile, compare first pressure fluctuation width and
Second pressure fluctuate width after, must fluctuate width decaying reach 40% just calculation qualification.
Above-mentioned first pressure value and second pressure value can be measured by first pressure sensor 91 mentioned below.
Further include: unidirectional valve opening pressure detection, method are as follows:
The unidirectional valve opening pressure is detected as:
The third pressure of working connection is detected, which can survey by first pressure sensor 91 mentioned below
Amount；
The 4th pressure between reversal valve and check valve is detected, the 4th pressure can pass through first pressure mentioned below
Sensor 92 measures；
Obtain the pressure difference of third pressure and the 4th pressure.General third pressure value is the pressure of primary flow path, can be greater than
4th pressure value.It is herein usually with the 4th pressure value between third pressure value, obtained difference is closed between 0.1N to 0.3N
Lattice (including 0.1N and 0.3N).
Further include: the test of electronic oil pump fuel delivery and mechanical oil pump fuel feeding measure.
Electronic oil pump fuel feeding weight testing method are as follows:
Electronic pump is opened, principal pressure solenoid valve is adjusted, pressure is adjusted to 10bar hereinafter, obtaining electronic pump maximum output
Flow and oil return circuit flow, the two add up to electronic oil pump fuel delivery.
The test of mechanical oil pump fuel delivery are as follows:
Mechanical pump is opened, principal pressure solenoid valve is adjusted, pressure is adjusted to 10bar hereinafter, obtaining mechanical pump maximum output
Flow and oil return circuit flow, the two add up to mechanical oil pump fuel delivery.
When carrying out the test of electronic oil pump fuel delivery, mechanical pump stops working, when carrying out the test of mechanical oil pump fuel delivery,
Electronic pump stops working.
It in some embodiments, further include the detection method of check valve leakproofness, are as follows:
First pressure sensor 91 (illustrating referring specifically to hereafter structure) is removed, has seen whether oily exudation, and measure list
Seepage discharge in the time of position.
A kind of double pump clutch function detection equipment for any of the above-described kind of detection method, referring to Fig. 1 to Fig. 4, comprising:
Electronic pump detection plate 1, mechanical pump detection plate 2 and partition 3；Wherein,
The electronic pump detection plate 1 has the first face and the second face, and first face is functional surfaces, and second face is oil
Road surface, and the electronic pump detection plate 1 has the oil circuit for being connected to first face and second face；
The mechanical pump detection plate 2 has third face and fourth face, and the third face is functional surfaces, and the fourth face is oil
Road surface, and the mechanical pump detection plate 2 has the oil circuit for being connected to the third face and the fourth face；
There is oil circuit, the partition 3 is installed between second face and the fourth face, has been formed on the partition 3
Whole oil circuit.
Wherein, it is provided with electronic pump mounting surface on first face, for installing electronic pump；And principal pressure solenoid valve
4, accumulator 5, first pressure sensor 91 and second pressure sensor 92；
It is provided with mechanical pump mounting surface on the third face, for installing mechanical pump；And principal pressure slide valve 6, safety
Valve 7；
Check valve 11 and reversal valve 8 are mechanically provided in electronic pump detection plate 1 or mechanical pump detection plate 2.Such as Fig. 1 and figure
Shown in 3, in the present embodiment, check valve 11 and reversal valve 8 are arranged in mechanical pump detection plate 2.From figure 3, it can be seen that check valve
11 are arranged on fourth face.
The mechanical pump mounting surface has mechanical pump connecting hole, is communicated to the complete oil circuit；
The electronic pump mounting surface has electronic pump connecting hole, is communicated to the complete oil circuit.
Referring to Fig. 5, the complete oil circuit includes: working connection and attached oil circuit.
Working connection one end is connected to the accumulator 5, and the other end is connected to the reversal valve 8.
Attached oil circuit has two, and one is connected to the reversal valve 8, and another is connected to the principal pressure slide valve 6, and two
Attached oil circuit described in item is also respectively communicated with an instrument connection, and the instrument connection is formed in the electronic pump detection plate 1 or machinery
It pumps in detection plate 2.
The first end of the principal pressure slide valve 6 is connected in the working connection, and second end is connected to the principal pressure solenoid valve
First end, the second end of the principal pressure solenoid valve are led to repeatedly in the check valve 8；
The connection of check valve 11 is between the second end and the reversal valve 8 of the principal pressure solenoid valve；
The connection of first pressure sensor 91 is in the working connection close to one end of the accumulator 5；
The connection of second pressure sensor 92 is between the check valve 11 and the reversal valve 8.
Safety valve 7 is connected between principal pressure slide valve 6 and reversal valve 8.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (7)
1. a kind of double pump clutch function detecting method characterized by comprising
The commutation pressure detecting of reversal valve and commutating period detection, wherein
The commutation pressure detecting are as follows:
Start mechanical pump and electric pump；
The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；
The reversal valve pressure value in the pressure period for adjusting main force's solenoid valve is obtained, obtains pressure jump value, the mutation value is
Commutate pressure value；
The commutating period detection are as follows:
Start mechanical pump and electric pump；
The pressure of main force's solenoid valve is adjusted, range is in 8bar-12bar, change rate 0.1bar/s；
The reversal valve pressure value in the pressure period for adjusting main force's solenoid valve is obtained, and the principal pressure also obtained in the period is sliding
The pressure value of valve respectively obtains the prominent of the pressure value of time and principal pressure slide valve that the mutation value of reversal valve pressure value occurs
The time that variate occurs, the time difference of the two are commutating period.
2. double pump clutch function detecting method according to claim 1, which is characterized in that further include: accumulator performance
Detection；
The accumulator performance detection are as follows:
In the state of removing accumulator, the first pressure value of working connection is measured, and the first pressure fluctuation in record unit time
Width；
In the state of connecting accumulator, the second pressure value of working connection is measured, and the second pressure fluctuation in record unit time
Width；
Compare first pressure fluctuation width and second pressure fluctuation width.
3. double pump clutch function detecting method according to claim 1, which is characterized in that further include: check valve is opened
Pressure detecting；
The unidirectional valve opening pressure is detected as:
Detect the third pressure of working connection；
Detect the 4th pressure between reversal valve and check valve；
Obtain the pressure difference of third pressure and the 4th pressure.
4. double pump clutch function detecting method according to claim 1, which is characterized in that further include: electronic oil pump supplies
Oil mass test and the test of mechanical oil pump fuel delivery；
The electronic oil pump fuel delivery test are as follows:
Electronic pump is opened, principal pressure solenoid valve is adjusted, pressure is adjusted to 10bar hereinafter, obtaining electronic pump maximum output flow
With oil return circuit flow, the two adds up to electronic oil pump fuel delivery；
The mechanical oil pump fuel delivery test are as follows:
Mechanical pump is opened, principal pressure solenoid valve is adjusted, pressure is adjusted to 10bar hereinafter, obtaining mechanical pump maximum output flow
With oil return circuit flow, the two adds up to mechanical oil pump fuel delivery.
5. a kind of double pump clutch function detection equipment for any one of claim 1-4 detection method, which is characterized in that packet
It includes:
Electronic pump detection plate (1), mechanical pump detection plate (2) and partition (3)；Wherein,
The electronic pump detection plate (1) has the first face and the second face, and first face is functional surfaces, and second face is oil circuit
Face, and the electronic pump detection plate (1) has the oil circuit for being connected to first face and second face；
The mechanical pump detection plate (2) has third face and fourth face, and the third face is functional surfaces, and the fourth face is oil circuit
Face, and the mechanical pump detection plate (2) has the oil circuit for being connected to the third face and the fourth face；
There is oil circuit, the partition (3) is installed between second face and the fourth face, has been formed on the partition (3)
Whole oil circuit；
Wherein, it is provided with electronic pump mounting surface on first face, for installing electronic pump；And principal pressure solenoid valve (4),
Accumulator (5), first pressure sensor and second pressure sensor；
It is provided with mechanical pump mounting surface on the third face, for installing mechanical pump；And principal pressure slide valve (6), safety valve
(7)；
Check valve (11) and reversal valve (8) are provided on electronic pump detection plate (1) or in mechanical pump detection plate (2).
6. double pump clutch function detection equipment according to claim 5, which is characterized in that
The mechanical pump mounting surface has mechanical pump connecting hole, is communicated to the complete oil circuit；
The electronic pump mounting surface has electronic pump connecting hole, is communicated to the complete oil circuit.
7. double pump clutch function detection equipment according to claim 5 or 6, which is characterized in that
The complete oil circuit includes:
Working connection, one end are connected to the accumulator (5), and the other end is connected to the reversal valve (8)；
Attached oil circuit has two, and one is connected to the reversal valve (8), and another is connected to the principal pressure slide valve (6), and
Two attached oil circuits are also respectively communicated with an instrument connection, the instrument connection be formed on the electronic pump detection plate (1) or
In mechanical pump detection plate (2)；
The first end of the principal pressure slide valve (6) is connected in the working connection, and second end is connected to the of the principal pressure solenoid valve
One end, the second end of the principal pressure solenoid valve are led to repeatedly in the check valve (8)；Check valve (11) connection is in the master
Between the second end of pressure solenoid valve and the reversal valve (8)；The first pressure sensor connection is close in the working connection
One end of the accumulator (5)；Second pressure sensor connection the check valve (11) and the reversal valve (8) it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556572.2A CN109580219B (en) | 2018-12-19 | 2018-12-19 | Method and device for detecting function of double-pump clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556572.2A CN109580219B (en) | 2018-12-19 | 2018-12-19 | Method and device for detecting function of double-pump clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580219A true CN109580219A (en) | 2019-04-05 |
| CN109580219B CN109580219B (en) | 2020-03-24 |
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ID=65930109
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556572.2A Active CN109580219B (en) | 2018-12-19 | 2018-12-19 | Method and device for detecting function of double-pump clutch |
Country Status (1)
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| CN (1) | CN109580219B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113565747A (en) * | 2021-07-27 | 2021-10-29 | 哈尔滨东安汽车发动机制造有限公司 | Special electronic pump test device and test method for hybrid transmission |
| CN113834650A (en) * | 2021-09-22 | 2021-12-24 | 哈尔滨东安汽车发动机制造有限公司 | Speed changer valve body testing device special for hybrid motion and testing method |
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|---|---|
| CN109580219B (en) | 2020-03-24 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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