CN210894553U - Function testing device for regenerative braking energy recovery device - Google Patents
Function testing device for regenerative braking energy recovery device Download PDFInfo
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- CN210894553U CN210894553U CN201921842960.7U CN201921842960U CN210894553U CN 210894553 U CN210894553 U CN 210894553U CN 201921842960 U CN201921842960 U CN 201921842960U CN 210894553 U CN210894553 U CN 210894553U
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Abstract
The utility model provides a function test device for a regenerative braking energy recovery device, which comprises a device main body, a gas-liquid pressure cylinder, an energy accumulator body, a product fixing tool and a test floating seat, wherein the device main body is of a frame structure; the gas-liquid pressure cylinder is arranged on the outer side of one end part of the device main body; the energy storage body is installed in another tip outside of device main part, and test floating seat and product fixed frock are installed in the frame construction of device main part, and the one end and the energy storage body of test floating seat are connected, and the other end is connected with product fixed frock, and the measurand is installed on product fixed frock, and the energy storage body passes through test floating seat and the measurand butt joint. The utility model discloses in the test realization nature, the efficiency is superior more obvious, through a large amount of experimental contrasts in earlier stage, the back is verified to the technology, has successfully used this online functional test device on test equipment to drop into present energy storage ware assembly line body, and the test is reliable.
Description
Technical Field
The utility model relates to a technical field of online functional test of car electric brake system, in particular to a functional test device for regenerative braking energy recovery unit.
Background
At present, the research and development of new energy electric vehicles are vigorously encouraged by the country, and the new energy electric vehicles have the greatest advantages that the influence on environmental pollution is almost small, and the new energy electric vehicles do not depend on petroleum energy, so that the development of the vehicles is pushed to the development direction of low carbonization, informatization and intellectualization.
However, the current battery technology cannot be revolutionarily broken through, and still is the biggest bottleneck for restraining the high-speed development of new energy electric vehicles, and the recycling of regenerative braking energy can utilize a part of braking energy to realize regenerative recycling, so that the method is a key technology for increasing the endurance mileage of the vehicles, the energy utilization rate can be improved, and energy is saved.
Fig. 1 is a schematic diagram of a regenerative braking energy recovery device assembly (without a mounting bracket) for an automobile in the prior art. As shown in fig. 1, the energy accumulator assembly 100, the energy accumulator body 200, the reducer assembly 300, the servo motor 400, the ECU and the angle encoder 500 are combined, and the main function is to complete the serial braking energy recovery by the cooperative cooperation of liquid suction and liquid discharge. The on-line function test is to perform on-line 100% verification on each function of the product and check whether the product meets the design requirements.
According to the structure, the function testing device adopted by the regenerative braking energy recovery device assembly used by the automobile in the prior art has the following defects:
firstly, the bench test is carried out in a mode of connecting a tested object into a hydraulic system of equipment, air in the hydraulic system needs to be emptied before testing, the mode meets the requirement of functional test, but because each product needs to be emptied of air, the efficiency is poor, and the mode is not beneficial to flow line mass production.
And secondly, the functional test of system design requires to control the object to be tested to load the corresponding liquid suction volume at a certain speed (liquid suction stroke can be calculated through the cylinder diameter of the energy accumulator), and then return to the initial position at the same speed to detect the actual position of the energy accumulator.
One method is to obtain the actual position through a CAN communication mode after the rotation angle of the output shaft of the motor is converted, but the actual position of the mode is calculated according to the reduction ratio and the rotation angle of the motor, which belongs to indirect measurement and is easily influenced by the accumulated error of parts.
In view of the above, a functional test device for a regenerative braking energy recovery device has been developed by those skilled in the art to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a functional test device for regenerative braking energy recovery device in order to overcome defects such as car regenerative braking energy recovery device online test efficiency is poor, the error is not well controlled among the prior art.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a function testing device for a regenerative braking energy recovery device is characterized by comprising a device main body, a gas-liquid pressure cylinder, an energy accumulator body, a product fixing tool and a testing floating seat, wherein the device main body is of a frame structure; the gas-liquid pressurizing cylinder is arranged on the outer side of one end part of the device main body;
the energy storage body is installed another tip outside of device main part, test float seat with the fixed frock of product is installed in the frame construction of device main part, the test float seat one end with this body coupling of energy storage ware, the other end with the fixed frock of product is connected, and the object of measurationing is installed on the fixed frock of product, just the energy storage body passes through test float seat with the object of measurationing docks.
According to an embodiment of the present invention, the device body comprises two mounting plates and a plurality of first connecting rods, which are mounted between the two oppositely arranged mounting plates to form a frame structure;
the testing floating seat and the product fixing tool are installed on the first connecting rod, and the gas-liquid pressure cylinder and the energy accumulator body are respectively fixed on the corresponding mounting plates.
According to the utility model discloses an embodiment, be provided with at least one stopper respectively on lieing in the head rod of the top and the head rod of below in the head rod, it is right one side of the fixed frock of product carries on spacingly.
According to the utility model discloses an embodiment, the device main part still includes many second connecting rods, the length of second connecting rod weak point in the head rod, just the second connecting rod distributes in the inboard region of head rod, through the terminal surface of second connecting rod constitutes the location face the opposite side of the fixed frock of product is spacing.
According to an embodiment of the present invention, the test floating mount is locked on the first connecting rod by an adjusting handle.
According to an embodiment of the present invention, the test floating mount includes a plurality of first linear bearings, an intermediate shaft, and a blocking piece, the first linear bearings are connected in parallel to one end of the intermediate shaft, and the blocking piece is installed at the other end of the intermediate shaft;
according to the utility model discloses an embodiment, test floating seat includes three first linear bearing, is located two of both sides first linear bearing is installed respectively on the head rod, in order to fix test floating seat is located the centre first linear bearing is fixed on the jackshaft.
According to the utility model discloses an embodiment, function test device still includes displacement sensor, displacement sensor installs on the head rod and fixed, just displacement sensor's measuring stick is pasted test floating seat on the baffle.
According to the utility model discloses an embodiment, the fixed frock of product includes locating piece and two second linear bearing, second linear bearing arranges respectively the both sides of locating piece, second linear bearing fixes on the head rod, the locating piece is fixed a position reduction gear assembly's casing.
According to the utility model discloses an embodiment, the gas-liquid pressurized cylinder with the energy storage ware body adopts the mode of bolt fastening to fix respectively corresponding on the mounting panel.
The utility model discloses an actively advance the effect and lie in:
the utility model is used for regenerative braking energy recovery device's functional test device can realize that regenerative braking energy recovery device carries out functional test's test condition to satisfy assembly line mass production's efficiency requirement, filled this internal split type regenerative braking energy recovery device's online functional test device's blank. The on-line function testing device has obvious advantages in test realization and efficiency, is successfully applied to testing equipment after a large number of early-stage test comparisons and process verification, is put into the existing energy accumulator assembly line body, and is reliable in testing.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout, and in which:
fig. 1 is a schematic diagram of a regenerative braking energy recovery device assembly (without a mounting bracket) for an automobile in the prior art.
Fig. 2 is a perspective view of the function testing device for the regenerative braking energy recovery device of the present invention.
Fig. 3 is a schematic structural view of the device main body in the function testing device for the regenerative braking energy recovery device of the present invention.
Fig. 4 is a schematic structural view of the floating seat for testing in the function testing device of the regenerative braking energy recovery device of the present invention.
Fig. 5 is a schematic structural view of the product fixing tool in the function testing device of the regenerative braking energy recovery device of the present invention.
Fig. 6 is a schematic view of the connection structure of the displacement sensor and the floating seat in the function testing device for the regenerative braking energy recovery device of the present invention.
[ reference numerals ]
ECU and angular encoder 500
Gas-liquid pressure cylinder 20
Test floating mount 50
Measured object 60
First connecting rod 12
Second connecting rod 14
Adjusting handle 70
First linear bearing 51
Baffle piece 53
Second linear bearing 42
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 2 is a perspective view of the function testing device for the regenerative braking energy recovery device of the present invention. Fig. 3 is a schematic structural view of the device main body in the function testing device for the regenerative braking energy recovery device of the present invention. Fig. 4 is a schematic structural view of the floating seat for testing in the function testing device of the regenerative braking energy recovery device of the present invention. Fig. 5 is a schematic structural view of the product fixing tool in the function testing device of the regenerative braking energy recovery device of the present invention. Fig. 6 is a schematic view of the connection structure of the displacement sensor and the floating seat in the function testing device for the regenerative braking energy recovery device of the present invention.
As shown in fig. 2 to 6, the utility model discloses a functional test device for regenerative braking energy recovery device, it includes device main part 10, gas-liquid pressure cylinder 20, energy storage ware body 30, fixed frock 40 of product and test floating seat 50, wherein the preferred frame construction of device main part 10, gas-liquid pressure cylinder 20 is installed in a tip outside of device main part 10. The energy storage body 30 is installed in another tip outside of device main part 10, and test floating seat 50 and product fixing tool 40 are installed in the frame construction of device main part 10, and the one end and the energy storage body 30 of test floating seat 50 are connected, and the other end is connected with product fixing tool 40, and the object 60 of measurationing is installed on product fixing tool 40, and energy storage body 30 is through the butt joint of test floating seat 50 and object 60 of measurationing.
Preferably, the device body 10 comprises two mounting plates 11 and a plurality of first connecting rods 12, the first connecting rods 12 being mounted between the two oppositely arranged mounting plates 11 to form a frame structure. The test floating seat 50 and the product fixing tool 40 are installed on the first connecting rod 12, and the gas-liquid pressure cylinder 20 and the energy accumulator body 30 are respectively fixed on the corresponding installation plates 11.
Further preferably, at least one limiting block 13 is respectively disposed on the uppermost first connecting rod 12 and the lowermost first connecting rod 12 of the first connecting rods 12, so as to limit one side of the product fixing tool 40. The device body 10 further includes a plurality of second connecting rods 14, the length of the second connecting rods 14 is shorter than that of the first connecting rods 12, the second connecting rods 14 are distributed in the inner side area of the first connecting rods 12, and the end surfaces of the second connecting rods 14 form a positioning surface 141 to limit the other side of the product fixing tool 40. The test floating mount 50 is locked to the first connecting rod 12 by an adjustment handle 70.
Specifically, the device body 10 in this embodiment is a frame formed by two mounting plates 11 and four first connecting rods 12, the two mounting plates 11 are used for supporting and fixing the whole online function testing device, and the four first connecting rods 12 ensure the balance of the whole stress of the online function testing device in the testing process, and are also used for fixedly mounting the product fixing tool 40 and the testing floating seat 50. The design of the first connecting rod 12 also meets the requirement that the product fixing tool 40 slides on the rod. The limiting block 13 limits one side of the product fixing tool 40, and the end faces of the other four second connecting rods 14 form a positioning face 141 for limiting the other side of the product fixing tool 40. The test floating seat 50 is locked on the first connecting rod 12 by the adjusting handle 70. The gas-liquid pressure cylinder 20 and the energy accumulator body 30 are respectively fixed on the two mounting plates 11 in a bolt fixing mode.
Preferably, the test floating mount 50 includes a plurality of first linear bearings 51, an intermediate shaft 52, and a flap 53, the first linear bearings 51 being connected in parallel on one end of the intermediate shaft 52, the flap 53 being mounted on the other end of the intermediate shaft 52.
As shown in fig. 4, the floating test socket 50 in this embodiment further includes three first linear bearings 51, two first linear bearings 51 on two sides are respectively mounted on the first connecting rod 12 to fix the floating test socket 50, and the first linear bearing 51 in the middle is fixed on the intermediate shaft 52.
In addition, the function testing device further comprises a displacement sensor 80, wherein the displacement sensor 80 is installed on the first connecting rod 12 and fixed, and a measuring rod of the displacement sensor 80 is attached to the blocking piece 53 of the testing floating seat 50. When the displacement of the intermediate shaft 52 changes, the displacement of the measuring rod of the displacement sensor 80 is driven to change, and the measurement of the displacement of the intermediate shaft 52 is realized.
As described above, the test floating seat 50 mainly fixes three first linear bearings 51 through a fixture, and two first linear bearings 51 on both sides are mounted on the first connecting rod 12 of the device body 10 for fixing. And the position of the test floating mount 50 can be adjusted by the adjustment handle 70.
When carrying out the installation of energy storage ware body 30, through the position of adjusting test floating seat 50, guarantee to be surveyed the object 60 after the clamping with the accuracy of being surveyed object 60 butt joint position, have the expansibility ability of compatible other model energy storage ware bodies 30 simultaneously. The middle first linear bearing 51 fixes the middle shaft 52, the two ends of the middle shaft 52 are respectively connected with the energy accumulator body 30 and the measured object 60 in a copying mode, and the middle shaft 52 is provided with the circular separation blade 53, so that the advantage that no matter how many angles the middle shaft rotates, the displacement change of the middle shaft 53 can be measured through the displacement sensor 80, and the displacement stroke and the speed of the liquid suction process and the liquid discharge process of the measured object 60 can be directly measured.
Preferably, the product fixing tool 40 includes a positioning block 41 and two second linear bearings 42, the second linear bearings 42 are respectively disposed at two sides of the positioning block 41, the second linear bearings 42 are fixed on the first connecting rod 12, and the positioning block 41 positions the housing of the reducer assembly.
The two second linear bearings 42 are fixed on the first connecting rod 12 of the device main body 10 and can slide, the positioning block 41 is used for positioning the shell of the speed reducer assembly, the coaxiality of the sample piece is guaranteed, and the positioning block can be matched with different product models only by replacing the positioning block, so that the device is suitable for more product types.
According to the above structural description, as shown in fig. 2, the object 60 to be tested is manually placed in the test position, i.e. in the product fixing tool 40, and the gas-liquid pressurizing cylinder 20 is mechanically error-proof, and after the object 60 to be tested is placed in place and the test is started, the object 60 to be tested is automatically extended and pressed to ensure the reliability and stability of installation. In the clamping process, an operator only needs to complete the action of putting in and taking out the tested object 60, the detection and the error prevention and the clamping are both controlled by automatic programs, the requirements on skills and proficiency of the operator are low, the time consumption of the whole process is small, and the method is suitable for a mass production mode of a production line.
The energy accumulator body 30 is connected to a hydraulic system in a bolt fixing mode and is emptied of air, the energy accumulator body 30 is in butt joint with the tested object 60 through the testing floating seat 50, and the displacement sensor 80 is installed at the testing floating seat 50 and is used for measuring the displacement change of an intermediate shaft of the testing floating seat 50 in real time. Because the displacement change of the intermediate shaft 52 of the test floating seat 50 can be measured in real time, the displacement stroke and speed of the liquid suction process and the liquid discharge process of the tested object 60 can be directly measured, and the actual position of the energy accumulator can be directly and accurately detected in the system design requirement.
Further, in the embodiment, the accumulator body 30 is fixed in the function testing device by using a standard part, and is not replaced along with the object 60 to be tested, and the object 60 to be tested is transferred to the next process for assembly after completing the on-line function test without contacting brake fluid. Like this, as long as energy storage ware body 30 carries out 1 installation and 1 hydraulic system's evacuation air process, has guaranteed stability, the uniformity of test condition each time, the effectual efficiency that has promoted online function test, and the product is pollution-free, is fit for production line mass production mode.
The utility model is used for regenerative braking energy recovery device's functional test device adopts the structure of energy storage ware body split type to carry out online functional test, has saved the process that the energy storage ware body inserts equipment hydraulic system and evacuation air, has promoted efficiency of software testing, uses pipelined mass production requirement. Meanwhile, the form that the output push rod is directly measured by the beam displacement sensor is adopted, the purpose of measuring liquid suction and liquid discharge flow is achieved by combining the cylinder diameter of the energy accumulator body, meanwhile, the speed of the output push rod is tested through the displacement value, and the accuracy of a test result is improved.
The utility model provides a regeneration braking energy recovery unit's online function test device, its purpose realizes that regeneration braking energy recovery unit carries out the test condition of functional test to satisfy assembly line mass production's efficiency requirement, filled this internal split type regeneration braking energy recovery unit's online function test device's blank. The function testing device for the regenerative braking energy recovery device selects the state that all parts except the energy accumulator body are assembled before the assembling process of the energy accumulator body of the production line, and aims to separate the energy accumulator body and directly measure the actual position of the output push rod through the displacement sensor.
To sum up, the utility model is used for regenerative braking energy recovery device's functional test device can realize that regenerative braking energy recovery device carries out functional test's test condition to satisfy assembly line mass production's efficiency requirement, filled this internal split type regenerative braking energy recovery device's on-line functional test device's blank. The on-line function testing device has obvious advantages in test realization and efficiency, is successfully applied to testing equipment after a large number of early-stage test comparisons and process verification, is put into the existing energy accumulator assembly line body, and is reliable in testing.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.
Claims (10)
1. A function testing device for a regenerative braking energy recovery device is characterized by comprising a device main body, a gas-liquid pressure cylinder, an energy accumulator body, a product fixing tool and a testing floating seat, wherein the device main body is of a frame structure; the gas-liquid pressurizing cylinder is arranged on the outer side of one end part of the device main body;
the energy storage body is installed another tip outside of device main part, test float seat with the fixed frock of product is installed in the frame construction of device main part, the test float seat one end with this body coupling of energy storage ware, the other end with the fixed frock of product is connected, and the object of measurationing is installed on the fixed frock of product, just the energy storage body passes through test float seat with the object of measurationing docks.
2. The functional testing device for a regenerative braking energy recovery device of claim 1, wherein the device body comprises two mounting plates and a plurality of first connecting rods mounted between the two oppositely disposed mounting plates forming a frame structure;
the testing floating seat and the product fixing tool are installed on the first connecting rod, and the gas-liquid pressure cylinder and the energy accumulator body are respectively fixed on the corresponding mounting plates.
3. The functional testing device for the regenerative braking energy recovery device according to claim 2, wherein at least one limiting block is respectively disposed on the uppermost and lowermost of the first connecting rods, so as to limit one side of the product fixing tool.
4. The functional testing device for the regenerative braking energy recovery device in accordance with claim 3, wherein the device body further comprises a plurality of second connecting rods, the length of the second connecting rods is shorter than that of the first connecting rods, the second connecting rods are distributed in the inner side areas of the first connecting rods, and the end surfaces of the second connecting rods form positioning surfaces to limit the other side of the product fixing tool.
5. The functional test device for regenerative braking energy recovery of claim 3, wherein said test floating mount is locked to said first connecting rod by an adjustment handle.
6. The functional test device for regenerative braking energy recovery according to claim 2, wherein said test floating mount comprises a plurality of first linear bearings, an intermediate shaft and a blocking plate, said first linear bearings being connected in parallel on one end of said intermediate shaft, said blocking plate being mounted on the other end of said intermediate shaft.
7. The functional test device for regenerative braking energy recovery according to claim 6, wherein said test floating mount comprises three first linear bearings, two of said first linear bearings on both sides are respectively mounted on said first connecting rod to fix said test floating mount, and said first linear bearing in the middle is fixed on said intermediate shaft.
8. The functional test device for regenerative braking energy recovery according to claim 6, further comprising a displacement sensor mounted and fixed on said first connecting rod, and a measuring rod of said displacement sensor is attached to said stop of said test floating seat.
9. The functional testing device for the regenerative braking energy recovery device according to claim 2, wherein the product fixing tool comprises a positioning block and two second linear bearings, the second linear bearings are respectively arranged on two sides of the positioning block, the second linear bearings are fixed on the first connecting rod, and the positioning block positions a housing of the speed reducer assembly.
10. The functional testing device for the regenerative braking energy recovery device of claim 2, wherein the pneumatic-hydraulic pressure cylinder and the accumulator body are respectively fixed on the corresponding mounting plate by means of bolts.
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| CN201921842960.7U CN210894553U (en) | 2019-10-30 | 2019-10-30 | Function testing device for regenerative braking energy recovery device |
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| CN201921842960.7U CN210894553U (en) | 2019-10-30 | 2019-10-30 | Function testing device for regenerative braking energy recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115015111A (en) * | 2022-04-19 | 2022-09-06 | 中铁电气化局集团有限公司 | A test device for regenerative braking energy recovery device of subway traction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115015111A (en) * | 2022-04-19 | 2022-09-06 | 中铁电气化局集团有限公司 | A test device for regenerative braking energy recovery device of subway traction system |
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