CN114518291A - New energy automobile motor lead wire and performance test system thereof - Google Patents
New energy automobile motor lead wire and performance test system thereof Download PDFInfo
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- CN114518291A CN114518291A CN202210153266.4A CN202210153266A CN114518291A CN 114518291 A CN114518291 A CN 114518291A CN 202210153266 A CN202210153266 A CN 202210153266A CN 114518291 A CN114518291 A CN 114518291A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention relates to the technical field of cables, in particular to a motor lead wire of a new energy automobile and a performance test system thereof. The pressure induction layer is arranged in the motor lead wire and is matched with the performance test system, so that the compression resistance test with the test standard is carried out on the motor lead wire; the invention designs a plurality of test pressure heads with different shapes, carries out the compression resistance test of simulating different extrusion types on the motor lead wire, obtains the data of the limit pressure born by the motor lead wire aiming at different types of extrusion, and solves the problem that the existing compression resistance test can only simulate a single test type to test the motor lead wire and can not meet the test requirement.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a new energy automobile motor lead wire and a performance test system thereof.
Background
The motor lead wire is a lead wire for connecting the motor with an external power supply. Considering the service environment and the installation position of the motor lead wire, the compression resistance test is carried out on the motor lead wire aiming at the motor lead wire so as to measure how much ultimate extrusion acting force the motor lead wire can bear, and the measured data is fed back to the manufacturing process of the motor lead wire, and the production process of the motor lead wire is improved so as to further improve the compression resistance of the motor lead wire.
The existing motor lead wire compression resistance test has the following problems: firstly, the existing compression resistance test can only simulate a single test type to test the motor lead wire and can not meet the test requirement; secondly, the existing compression resistance test has no specific test standard, and the phenomenon that the motor lead wire is broken or unqualified in test is very easy to occur because the test is finished or qualified after the motor lead wire is extruded to a certain degree is not known.
Disclosure of Invention
In order to solve the technical problem, the invention provides a new energy automobile motor lead wire and a performance test system thereof.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a new energy automobile motor lead wire, includes the sinle silk, cladding in proper order at the outside shielding layer of sinle silk, fire-retardant layer, insulating layer, neck bush, outer liner, wear-resisting armor, still be equipped with the forced induction layer between insulating layer and the neck bush.
Further, the pressure-sensitive layer is made of a flexible pressure-sensitive material.
Furthermore, the inner bushing and the outer bushing are made of silicon rubber materials.
The utility model provides a performance test system that new energy automobile motor lead wire was used, includes the testboard, be equipped with the test seat on the testboard, the test seat is L shaped plate column structure, still includes:
the test frame is arranged on the test seat and used for installing a motor lead wire to be tested;
and the performance testing mechanism is horizontally and slidably arranged on the testing seat, corresponds to the horizontal height of the testing frame, and is used for testing the compression resistance of the motor lead wires arranged on the testing frame in a mode of simulating different extrusion types.
Preferably, the test jig comprises two side brackets arranged on the test seat, an installation guide plate and a connection frame plate, wherein the installation guide plate is positioned between the two side brackets, the two side brackets are correspondingly provided with two installation clamping plate assemblies, and the installation guide plate is of an L-shaped plate structure.
Preferably, the performance testing mechanism comprises a sliding guide rod, a moving seat and a rotating installation seat, wherein the sliding guide rod is arranged on the testing seat and is horizontally distributed along the installation direction of the lead wire in the same direction, the moving seat is slidably installed on the sliding guide rod, the rotating installation seat is installed on the moving seat in a one-way rotating mode, the sliding guide rod is of a square rod-shaped structure, and four groups of testing assemblies with different extrusion types are arranged on the rotating installation seat.
Preferably, the movable base is of an inner square and outer circular structure, an elastic unidirectional outer gear ring is arranged on the outer surface of the movable base, and an elastic unidirectional inner gear ring matched with the elastic unidirectional outer gear ring is circumferentially arranged on the inner surface of the rotary mounting base.
Preferably, four groups of test assembly all include the test flat board of setting on rotating the mount pad, set up on the test flat board bulldoze the threaded rod, set up the test pressure head on bulldozing the threaded rod, with the test manometer that the test pressure head is connected.
Preferably, the pressure testing heads in the four groups of testing components are provided with testing limit baffles matched with the installation guide plates.
Preferably, the head types of the test indenters in the four sets of test assemblies are respectively tooth-shaped, triangular, semi-cylindrical and square.
The invention has the beneficial effects that:
1. The pressure-resistant performance test with the test standard is carried out on the motor lead wire by arranging the pressure induction layer in the motor lead wire and matching with the performance test system;
2. the invention designs a plurality of test pressure heads with different shapes, carries out the compression resistance test of different extrusion types on the motor lead wire, and obtains the data of the limit pressure born by the motor lead wire aiming at different types of extrusion, thereby feeding back the data to the production and manufacturing process of the motor lead wire, improving the compression resistance of the motor lead wire from the manufacturing source, and solving the problem that the existing compression resistance test can only simulate the test type to test the motor lead wire and can not meet the test requirement.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a lead wire according to the present invention;
FIG. 2 is a schematic diagram of a test system according to the present invention;
FIG. 3 is a schematic diagram of a test rack of the test system of the present invention;
FIG. 4 is a schematic structural diagram of a performance testing mechanism in the testing system of the present invention;
FIG. 5 is a schematic structural view of a movable base and an elastic unidirectional external gear ring in the testing system of the present invention;
Fig. 6 is a schematic structural view of the elastic unidirectional inner gear ring in the test system of the invention.
In the figure: 1. a wire core; 2. a shielding layer; 3. a flame retardant layer; 4. an insulating layer; 5. a pressure-sensitive layer; 6. an inner liner; 7. an outer liner; 8. a wear resistant armor layer; 9. a test bench; 10. a test seat; 11. a test jig; 111. a side bracket; 112. installing a guide plate; 113. connecting the frame plate; 114. installing a clamping plate assembly; 12. a sliding guide bar; 13. a movable seat; 131. an elastic unidirectional outer gear ring; 14. rotating the mounting seat; 141. an elastic unidirectional inner gear ring; 15. testing the flat plate; 16. pushing and pressing the threaded rod; 17. testing a pressure head; 18. testing the pressure gauge; 19. and testing the limit baffle.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1, the new energy automobile motor lead wire is composed of a wire core 1, a shielding layer 2, a flame retardant layer 3, an insulating layer 4, an inner bushing 6, an outer bushing 7 and a wear-resistant armor layer 8, wherein the shielding layer 2, the flame retardant layer 3, the insulating layer 4, the inner bushing 6, the outer bushing 7 and the wear-resistant armor layer 8 are sequentially coated outside the wire core 1. The wire core 1 is a tin-plated copper conductor. Shielding layer 2 has better shielding anti-interference performance, flame retardant layer 3 is the low cigarette flame retardant material of halogen-free, has stronger fire behaviour. The inner lining 6 and the outer lining 7 are made of silicon rubber materials and have strong anti-extrusion performance. A pressure sensing layer 5 is further arranged between the insulating layer 4 and the inner lining 6, the pressure sensing layer 5 is made of a flexible pressure sensing material, and the pressure resistance test is performed by judging whether the pressure sensing layer 5 senses the extrusion acting force as a standard under the extrusion condition. Specifically, if the pressure sensing layer 5 senses the extrusion acting force, it indicates that the motor lead wire reaches a damaged state and cannot be used continuously, and at this time, the test is finished; if the pressure sensing layer 5 does not sense the extrusion acting force, the motor lead wire does not reach the damaged state, the motor lead wire can be continuously used, and the test is continued.
As shown in fig. 2, a performance testing system for a new energy automobile motor lead wire mainly comprises a test bench 9, a test seat 10, a test rack 11 and a performance testing mechanism. The test bench 9 is formed by welding sectional materials, the test base 10 is of an L-shaped plate structure, the test frame 11 is arranged on a bottom plate of the test base 10, and the performance test mechanism is arranged on a lateral vertical plate at the rear side of the test base 10.
As shown in fig. 3, the test rack 11 is mainly composed of two side racks 111, a mounting guide 112, a connecting frame plate 113, and two mounting clamping plate assemblies 114. The two side brackets 111 are symmetrically arranged at the left side and the right side of the bottom plate of the test seat 10, and the two mounting clamping plate assemblies 114 are correspondingly arranged at the upper end parts of the two side brackets 111. The installation guide plate 112 is arranged between the upper ends of the two side supports 111, the installation guide plate 112 is of an L-shaped plate-shaped structure and corresponds to the height of a performance testing mechanism arranged on a vertical plate on the side of the test seat 10, during testing, a motor lead wire is placed on the installation guide plate 112, and two ends of the motor lead wire are clamped by the installation clamping plate assemblies 114 on the two side supports 111.
As shown in fig. 4, the performance testing mechanism mainly comprises a sliding guide rod 12, a moving seat 13, a rotating installation seat 14, and four sets of testing components. Slide guide 12 sets up on the rear side direction riser of test seat 10 along the left and right sides direction level, slide guide 12 is square rod-like structure, it is interior square excircle column structure to remove seat 13, remove seat 13 and install on slide guide 12 with gliding mode, during the use, promote through external force and remove seat 13 and slide on slide guide 12 and adjust the position of removing seat 13. Through designing sliding guide 12 into square structure, played the spacing effect of circumferential direction rotation to promoting to remove seat 13 for it can not rotate along with rotating mount pad 14 synchronous to promote to remove seat 13. The four groups of test components are correspondingly arranged on the front side, the rear side, the upper side and the lower side of the rotary mounting seat 14, and the test components on each side simulate different extrusion types of extrusion modes to carry out compression resistance tests on the motor lead wires.
As shown in fig. 5 and 6, the rotary mounting base 14 is rotatably mounted on the movable base 13. As a further embodiment of the present invention, an elastic unidirectional outer ring gear 131 is disposed on the outer surface of the movable base 13, an elastic unidirectional inner ring gear 141 adapted to engage with the elastic unidirectional outer ring gear 131 is disposed on the inner surface of the rotary mounting base 14, and the elastic unidirectional outer ring gear 131 and the elastic unidirectional inner ring gear 141 are matched to enable the rotary mounting base 14 to rotate only in a unidirectional manner in the forward direction. Therefore, the switching test among the four groups of test components is realized.
As shown in fig. 4, the four sets of test assemblies are composed of a test flat plate 15 for supporting, a push threaded rod 16 for performing a pressing drive, a test ram 17 for performing a pressing, and a test pressure gauge 18 connected to the test ram 17 for measuring a pressing force. The testing flat plate 15 is fixedly installed on the outer surface of the rotary installation seat 14, the pushing threaded rod 16 is arranged on the testing flat plate 15 in the front-back direction, the pushing threaded rod 16 is provided with a rotary handle, the testing pressure head 17 can move horizontally forwards by rotating the pushing threaded rod 16, and the testing pressure head corresponds to a motor lead wire on the front side of the testing pressure head to perform performance testing. Furthermore, a test limit baffle 19 located above the test pressure head 17 is arranged on the test pressure head 17 of the four groups of test assemblies, the horizontal height of the bottom surface of the test limit baffle 19 is matched with the horizontal height of the top of a vertical plate of the installation guide plate 112, and the test limit baffle is matched with the installation guide plate 112 to gradually limit the motor lead wire in the upper, lower and front three directions in the horizontal moving process of the test pressure head 17.
As a further embodiment of the present invention, the four test indenters 17 of the four sets of test assemblies have a head type of tooth shape, triangle shape, semi-cylinder shape, or square shape, and specifically, the tooth-shaped test indenter 17 is located at the upper side, the triangle-shaped test indenter 17 is located at the rear side, the semi-cylinder-shaped test indenter 17 is located at the lower side, and the square-shaped test indenter 17 is located at the front side. During testing, the test is carried out in the sequence of tooth shape, triangle shape, semi-cylinder shape and square shape.
Through designing a plurality of test pressure heads 17 with different shapes, the compression resistance tests of different extrusion types are simulated for the motor lead wires, and the data of the limit pressure born by the motor lead wires aiming at the extrusion of different types is obtained, so that the data are fed back to the production and manufacturing process of the motor lead wires, and the compression resistance of the motor lead wires is improved from the manufacturing source.
The use process of the test system in the invention is as follows:
firstly, placing a motor lead wire on an installation guide plate 112, clamping two ends of the motor lead wire by installation clamping plate assemblies 114 on two side brackets 111, then manually moving a moving seat 13 to the left end or the right end of a sliding guide rod 12 by an operator, then rotating a pushing threaded rod 16 in a test assembly at the current upper position by the operator to enable a tooth-shaped test pressure head 17 to horizontally move towards the front side, gradually extruding the motor lead wire by a tooth-shaped head part on the test pressure head 17 until the tooth-shaped head part touches a pressure induction layer 5, measuring the extrusion pressure of the current test pressure head 17 on the motor lead wire by a test pressure gauge 18, and recording current data by the operator;
Then, resetting the current testing pressure head 17, manually moving the moving seat 13 on the sliding guide rod 12 for a certain distance, then manually rotating the rotating installation seat 14 to enable the testing component on the rear side to rotate to the upper side, then repeating the testing process, and recording the extrusion pressure data of the current triangular testing pressure head 17 on the motor lead wire;
and then, repeating the process twice, and correspondingly recording the extrusion pressure data of the semi-cylindrical test pressure head 17 and the square test pressure head 17 on the motor lead wire.
The compression resistance tests of four different extrusion types are simulated at four different positions on the same motor lead wire respectively, so that the compression resistance tests of multiple different extrusion types are realized, and the accuracy and precision of test results are ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a new energy automobile motor lead wire, includes sinle silk (1), its characterized in that: the coating is in proper order at shielding layer (2), fire-retardant layer (3), insulating layer (4), interior bush (6), outer liner (7), wear-resisting armor (8) of sinle silk (1) outside, still be equipped with forced induction layer (5) between insulating layer (4) and interior bush (6).
2. The new energy automobile motor lead wire of claim 1, characterized in that: the pressure sensing layer (5) is made of a flexible pressure sensing material.
3. The new energy automobile motor lead wire of claim 1, characterized in that: the inner lining (6) and the outer lining (7) are made of silicon rubber materials.
4. A performance test system for a new energy automobile motor lead wire according to any one of claims 1 to 3, comprising a test bench (9), characterized in that: be equipped with test seat (10) on testboard (9), test seat (10) are L shaped plate column structure, still include:
the test frame (11) is arranged on the test seat (10) and used for installing a motor lead wire to be tested;
and the performance testing mechanism is horizontally and slidably arranged on the testing seat (10), corresponds to the horizontal height of the testing frame (11), and is used for testing the compression resistance of the motor lead wire arranged on the testing frame (11) in a mode of simulating different extrusion types.
5. The new energy automobile motor lead wire performance test system of claim 4, characterized in that: the test stand (11) comprises two side supports (111) arranged on the test seat (10), an installation guide plate (112) located between the two side supports (111) and a connecting frame plate (113), two installation clamping plate assemblies (114) are correspondingly arranged on the two side supports (111), and the installation guide plate (112) is of an L-shaped plate structure.
6. The new energy automobile motor lead wire performance test system of claim 5, characterized in that: performance test mechanism including set up on test seat (10) and with along lead wire installation direction syntropy horizontal distribution's slip guide arm (12), slidable mounting remove seat (13) on slip guide arm (12), install rotation mount pad (14) on removing seat (13) with one-way pivoted mode, slip guide arm (12) are square shaft-like structure, be equipped with the test component of four groups different extrusion types on rotation mount pad (14).
7. The new energy automobile motor lead wire performance test system of claim 6, characterized in that: the movable base (13) is of an inner square and outer circular structure, an elastic one-way outer gear ring (131) is arranged on the outer surface of the movable base (13), and an elastic one-way inner gear ring (141) matched with the elastic one-way outer gear ring (131) is arranged on the inner surface of the rotary mounting base (14) in a circumferential mode.
8. The new energy automobile motor lead wire performance test system of claim 6, characterized in that: the four groups of test components comprise a test flat plate (15) arranged on the rotary mounting seat (14), a pushing threaded rod (16) arranged on the test flat plate (15), a test pressure head (17) arranged on the pushing threaded rod (16), and a test pressure gauge (18) connected with the test pressure head (17).
9. The new energy automobile motor lead wire performance test system of claim 8, characterized in that: and a test limit baffle (19) matched with the installation guide plate (112) is arranged on each test pressure head (17) in the four groups of test components.
10. The new energy automobile motor lead wire performance test system of claim 8, characterized in that: the head types of the testing pressure heads (17) in the four groups of testing assemblies are respectively tooth-shaped, triangular, semi-cylindrical and square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153266.4A CN114518291B (en) | 2022-02-18 | 2022-02-18 | New energy automobile motor lead wire and capability test system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210153266.4A CN114518291B (en) | 2022-02-18 | 2022-02-18 | New energy automobile motor lead wire and capability test system thereof |
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| Publication Number | Publication Date |
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| CN114518291A true CN114518291A (en) | 2022-05-20 |
| CN114518291B CN114518291B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210153266.4A Active CN114518291B (en) | 2022-02-18 | 2022-02-18 | New energy automobile motor lead wire and capability test system thereof |
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| CN211604740U (en) * | 2020-04-17 | 2020-09-29 | 扬州神龙绳业有限公司 | High-strength ocean deep sea pressure monitoring cable |
| CN111863336A (en) * | 2020-08-04 | 2020-10-30 | 江苏江扬特种电缆有限公司 | Cable for shore power system |
| CN212904266U (en) * | 2020-05-22 | 2021-04-06 | 浙江数智交院科技股份有限公司 | Hydraulic testing device capable of rotatably switching pressure heads |
| CN113866012A (en) * | 2021-09-24 | 2021-12-31 | 沪东重机有限公司 | Special pressure head frock of sheet metal class product bending test |
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2022
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247356B1 (en) * | 1999-03-30 | 2001-06-19 | Instron Corporation | Hardness tester |
| CN204241324U (en) * | 2014-10-28 | 2015-04-01 | 威凯检测技术有限公司 | A kind of electric wire Apparatus for Pressure at high-temp device |
| CN204882259U (en) * | 2015-05-28 | 2015-12-16 | 天津市安正电力高分子材料有限公司 | Low smoke and zero halogen cable material compression test machine |
| CN205487496U (en) * | 2016-01-25 | 2016-08-17 | 远东电缆有限公司 | Fire -retardant flexible cable of wisdom energy wind power tower cylinder interior illumination environmental protection |
| CN106782811A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of multicore resistance to compression high-temperature cable |
| CN110132750A (en) * | 2019-06-26 | 2019-08-16 | 华东理工大学 | A kind of impression test device and test method |
| CN211604740U (en) * | 2020-04-17 | 2020-09-29 | 扬州神龙绳业有限公司 | High-strength ocean deep sea pressure monitoring cable |
| CN212904266U (en) * | 2020-05-22 | 2021-04-06 | 浙江数智交院科技股份有限公司 | Hydraulic testing device capable of rotatably switching pressure heads |
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| CN113866012A (en) * | 2021-09-24 | 2021-12-31 | 沪东重机有限公司 | Special pressure head frock of sheet metal class product bending test |
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| CN114518291B (en) | 2023-10-20 |
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