CN116086549A - New energy automobile press-fit equipment testing arrangement - Google Patents
New energy automobile press-fit equipment testing arrangement Download PDFInfo
- Publication number
- CN116086549A CN116086549A CN202310286951.9A CN202310286951A CN116086549A CN 116086549 A CN116086549 A CN 116086549A CN 202310286951 A CN202310286951 A CN 202310286951A CN 116086549 A CN116086549 A CN 116086549A
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- strain
- sensor
- new energy
- energy automobile
- strain beam
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000003746 feather Anatomy 0.000 claims description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 3
- 238000003825 pressing Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of new energy automobiles, in particular to a testing device for press mounting equipment of a new energy automobile, which comprises a rectangular sensor body, wherein strain beam mounting grooves are formed in two sides of the upper surface of the sensor body, a plurality of 'back' -shaped strain beams are arranged in the strain beam mounting grooves, strain sheets are adhered to the surfaces of the strain beams, the bottoms of the strain sheets are fixed ends, the tops of the strain sheets are stress ends, a plurality of strain beams form a strain beam group, a left strain beam group and a right strain beam group form two-way bridge circuit two-way output to detect parallelism, an avionics joint is arranged on one side of the sensor body, an outgoing cable is connected with the strain beam group, the outgoing cable penetrates through the avionics joint, sensor handles are arranged on two sides of the sensor body through bolts, and a plurality of mounting grooves are formed in two sides of the sensor handles, and thermocouples are arranged in the mounting grooves.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a testing device for press-fitting equipment of a new energy automobile.
Background
The existing new energy automobile battery core needs to be pressed in the production process, the parallelism of the surface of the battery core needs to be guaranteed in the pressing process, but after the pressing equipment is used for a long time, errors can occur in the pressure and the surface parallelism of the equipment, so that the existing pressing sensor only needs to be checked and adjusted, can detect whether the pressure value is accurate or not, is heavy and inconvenient to carry, and especially the parallelism and the temperature in the pressing process are not convenient, the existing testing method is to remove the plug by using white paper around the installed sensor, the thickness of the white paper is 0.1mm (10 wires), if the white paper plug is not in, the white paper plug is qualified, the parallelism is beyond 10 wires, the detection method is coarse, the time is wasted, the operation is inconvenient, and the measured data is inaccurate. The temperature measurement is carried out by using a simple temperature gun to carry out multipoint measurement, and then the temperature data is recorded by handwriting, so that the whole procedure is tedious and time-consuming.
Disclosure of Invention
The invention aims to solve the defect that a press-fit sensor in the prior art can only detect a pressure value and has complicated temperature and parallelism detection modes.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a new energy automobile press fit equipment testing arrangement, includes the rectangle sensor body, strain beam mounting groove has been seted up to sensor upper surface both sides, be provided with a plurality of "return" style of calligraphy strain beam in the strain beam mounting groove, strain beam surface adhesion has the foil gage, the foil gage bottom is the stiff end, and the foil gage top is the atress end, and a plurality of strain beams constitute the strain beam group, control strain beam group constitutes two bridge two-way output and detects parallelism, constitutes two bridge two-way output through controlling two-way output with controlling two-way strain beam and detects parallelism, if the difference of the pressure value of controlling both sides output is in the scope of requirement, then indicate that the parallelism is good, otherwise be inequality; and the sum of the pressure values of the two paths of output is the current total pressure value, the aviation plug is installed on one side of the sensor, the strain beam group is connected with an outgoing cable, the outgoing cable penetrates through the aviation plug, the sensor handles are installed on the two sides of the sensor through bolts, a plurality of mounting grooves are formed in the two sides of the sensor handles, and thermocouples are installed in the mounting grooves.
Further, the strain beam and the sensor are manufactured through an integral molding process.
Furthermore, the strain gauge is in a feather-like shape or a single-inclined-plate shape, the strain gauge in the feather-like shape is provided with four welding spots, and the strain gauge in the single-inclined-plate shape is provided with two welding spots, so that the strain gauge is suitable for different application ranges.
Further, the strain beams are connected in series or in parallel to form a Wheatstone bridge.
Further, threads are formed in the mounting groove, and the thermocouple is fixed with the mounting groove through threaded fit.
Further, threaded holes are formed in two sides of the mounting groove, fixing plates are connected to two sides of the thermocouple, the thermocouple is fixed through bolts, and the bolts penetrate through the fixing plates and the threaded holes.
Further, the strain beam has elasticity.
Further, the sensor material is stainless steel or aluminum alloy.
The beneficial effects of the invention are as follows: detecting the surface parallelism of the pressure loading equipment through two paths of output of the left and right groups of strain Liang Zucheng Wheatstone bridge circuits, if the difference of pressure values output by the left and right sides is within a required range, indicating that the parallelism is good, otherwise, judging that the pressure value is unqualified; the sum of the two paths of output pressure values is the current total output pressure value, and the invention can calculate whether the pressure value output by the press mounting equipment and the surface parallelism thereof are qualified or not at one time, and compared with the inspection by a paper plugging mode, the accuracy and the efficiency are greatly improved.
Through seting up the mounting groove at the sensor surface, the thermocouple of multiple different specifications of mounting groove mountable replaces the measuring mode of temperature rifle, has realized the inside temperature of multiple spot simultaneous measurement pressure equipment in-process sensor, has improved temperature measurement's accuracy and convenience greatly.
Drawings
Fig. 1 is a schematic top view of a testing device for press-fitting equipment of a new energy automobile according to the present invention; fig. 2 is a schematic perspective view of a testing device for press-fitting equipment of a new energy automobile according to the present invention; fig. 3 is a schematic side view of a testing device for a new energy automobile press-fitting device according to the present invention.
Fig. 4 is a single oblique sheet-like schematic diagram of a strain gauge of the testing device for the press-fitting equipment of the new energy automobile.
Fig. 5 is a sheet-like schematic view of a strain gauge feather of a testing device for press-fitting equipment of a new energy automobile.
Fig. 6 is a schematic diagram of a wheatstone bridge principle of the testing device for the press-fit equipment of the new energy automobile.
In the figure: 1. a thermocouple; 2. a sensor handle; 3. the aviation plug connector; 4. a sensor; 5. a mounting groove; 6. a strain beam mounting groove; 7. a strain beam; 8. a strain gage; 9. a strain beam set; 10. and (5) an outgoing cable.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In this embodiment, referring to fig. 1-6, a testing device for press-mounting equipment of a new energy automobile includes a rectangular sensor 4 body, strain beam mounting grooves 6 are formed on two sides of an upper surface of the sensor 4, a plurality of 'back' shaped strain beams 7 are arranged in the strain beam mounting grooves 6, strain gauges 8 are adhered to surfaces of the strain beams 7, bottoms of the strain gauges 8 are fixed ends, tops of the strain gauges 8 are stress ends, when the stress ends are stressed, the strain beams 7 on two sides are subjected to shearing force downwards, bending deformation occurs, the strain gauges 8 are driven to stretch or compress, resistance values are changed due to the change of the lengths of the strain gauges 8 according to r=ρl/s, finally, output voltage values are changed, the stress of the sensor 4 is judged according to the output voltage values, the strain beams 7 form a strain beam group 9, two paths of bridge paths are formed by the left strain beams 7 and the right strain beams 9, parallelism is detected by using the two paths of bridge paths of output, if the difference between the left and right sides of output is in a required range, and if the difference between the left and right sides of output is good, the parallelism is not qualified; and the sum of the two output pressure values is the current output total pressure value, the aviation plug 3 is installed on one side of the sensor 4, the strain beam group 9 is connected with an outgoing cable 10, the outgoing cable 10 penetrates through the aviation plug 3, the sensor handle 2 is installed on two sides of the sensor 4 through bolts, a plurality of mounting grooves 5 are formed in two sides of the sensor handle 2, and the thermocouple 1 is installed in the mounting groove 5.
As a preferable mode of the invention, the strain beam 7 and the sensor 4 are manufactured by an integral molding process, and the integral molding process can improve the strength of the strain beam 7 so as to prevent deformation.
As a preferable scheme of the invention, the strain gauge 8 is in a feather-like shape or a single-inclined-plate shape, the feather-like strain gauge 8 is provided with four welding spots, and the single-inclined-plate-like strain gauge 8 is provided with two welding spots, so that the strain gauge is suitable for different application ranges.
As a preferred embodiment of the invention, the strain beams 7 are connected in series or in parallel to form a wheatstone bridge.
As a preferable scheme of the invention, threads are formed in the mounting groove 5, the thermocouple 1 and the mounting groove 5 are fixed through threaded fit, part of the thermocouple 1 is self-threaded, and the thermocouple 1 is directly placed in the mounting groove 5 to be screwed and fixed.
As a preferable scheme of the invention, threaded holes are formed in two sides of the mounting groove 5, the two sides of the thermocouple 1 are connected with fixing plates, the thermocouple 1 is fixed through bolts, the bolts penetrate through the fixing plates and the threaded holes, the bottoms of parts of the thermocouples 1 are not required to be fixed through the bolts without threads, and the mounting requirements of the thermocouples 1 with different specifications are met by forming the threaded holes in the mounting groove 5.
As a preferred embodiment of the invention, the strain beam 7 has elasticity.
As a preferred embodiment of the invention, the material of the sensor 4 is stainless steel or an aluminum alloy.
Working principle: after the pressure mounting equipment is used for a long time, whether the pressure parameters of the pressure mounting equipment change or not needs to be detected, the sensor 4 is placed on a clamp, the pressure mounting equipment contacts the strain beam 7, the surface of the strain beam 7 is adhered with the strain gauge 8, the bottom of the strain gauge 8 is a fixed end, the top of the strain gauge 8 is a stress end, when the stress end is stressed, the strain beams 7 at two sides are subjected to shearing force downwards to generate bending deformation to drive the strain gauge 8 to stretch or compress, the resistance value is changed due to the change of the length of the strain gauge 8 according to R=ρl/s, the output voltage value is finally changed, the pressure borne by the sensor 4 is judged according to the output voltage value, the surface parallelism of the pressure mounting equipment is detected by using two paths of output bridges formed by the left and right groups of strain beams 7, and if the difference of the pressure values output at the left and right sides of the sensor 4 is in a required range, the parallelism is good, otherwise, the parallelism is not qualified; the sum of the two paths of output pressure values is the current output total pressure value; therefore, the parallelism and the pressure value can be measured simultaneously, the test requirement of the press mounting equipment can be met at one time, and the test efficiency is greatly improved. The temperature of the sensor 4 is tested through the thermocouple 1, a temperature gun measuring mode is replaced, the temperature inside the sensor 4 is measured at multiple points at the same time, and the accuracy and convenience of temperature measurement are greatly improved.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the present invention pertains should apply to equivalent substitutions or alterations herein within the scope of the present invention.
Claims (8)
1. The utility model provides a new energy automobile press fit equipment testing arrangement, includes rectangle sensor (4) body, its characterized in that, strain beam mounting groove (6) have been seted up to sensor (4) upper surface both sides, be provided with a plurality of "back" style of calligraphy strain beam (7) in strain beam mounting groove (6), strain beam (7) surface adhesion has foil gage (8), foil gage (8) bottom is the stiff end, and foil gage (8) top is the atress end, and a plurality of strain beams (7) constitute strain beam group (9), control strain beam group (9) and constitute two outputs of two-way bridge circuit and detect parallelism, sensor (4) one side is installed and is pegged graft (3), strain beam group (9) are connected with outgoing cable (10), outgoing cable (10) run through peg graft (3), sensor handle (2) are installed through the bolt in sensor (4) both sides, a plurality of mounting grooves (5) have been seted up to sensor handle (2) both sides, install thermocouple (1) in mounting groove (5).
2. The new energy automobile press fitting equipment testing device according to claim 1, wherein the strain beam (7) and the sensor (4) are manufactured through an integral molding process.
3. The new energy automobile press fitting equipment testing device according to claim 1, wherein the strain gauge (8) is in the shape of a feather or a monoclinic sheet.
4. The new energy automobile press fitting equipment testing device according to claim 1, wherein the strain beams (7) are connected in series or in parallel to form a wheatstone bridge.
5. The testing device for the press-fit equipment of the new energy automobile according to claim 1, wherein threads are formed in the installation groove (5), and the thermocouple (1) is fixed with the installation groove (5) through threaded fit.
6. The testing device for the press-fit equipment of the new energy automobile according to claim 1, wherein threaded holes are formed in two sides of the installation groove (5), fixing plates are connected to two sides of the thermocouple (1), the thermocouple (1) is fixed through bolts, and the bolts penetrate through the fixing plates and the threaded holes.
7. The new energy automobile press fitting equipment testing device according to claim 1, characterized in that the strain beam (7) has elasticity.
8. The new energy automobile press fitting equipment testing device according to claim 1, wherein the sensor (4) is made of stainless steel or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310286951.9A CN116086549A (en) | 2023-03-23 | 2023-03-23 | New energy automobile press-fit equipment testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310286951.9A CN116086549A (en) | 2023-03-23 | 2023-03-23 | New energy automobile press-fit equipment testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116086549A true CN116086549A (en) | 2023-05-09 |
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ID=86187132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310286951.9A Pending CN116086549A (en) | 2023-03-23 | 2023-03-23 | New energy automobile press-fit equipment testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116086549A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918419A (en) * | 2017-05-15 | 2017-07-04 | 中国工程物理研究院总体工程研究所 | Disk Brake input pressure measurement sensor |
| CN207338499U (en) * | 2017-11-08 | 2018-05-08 | 深圳市鑫精诚科技有限公司 | A kind of new new energy car battery bag press fitting sensor |
| CN209296198U (en) * | 2019-02-20 | 2019-08-23 | 埃米(厦门)科技有限公司 | Cell expansion force checking device |
| CN209296199U (en) * | 2019-02-20 | 2019-08-23 | 埃米(厦门)科技有限公司 | Weighing device with planar load cell |
| CN209745440U (en) * | 2019-05-16 | 2019-12-06 | 深圳市力准传感技术有限公司 | Force sensor |
| CN213779350U (en) * | 2020-12-31 | 2021-07-23 | 常州聚卓智能科技有限公司 | Flat-plate force sensor |
| WO2022257947A1 (en) * | 2021-06-10 | 2022-12-15 | 北京思灵机器人科技有限责任公司 | Torque sensor |
| CN218330355U (en) * | 2022-10-25 | 2023-01-17 | 合肥博兰森测控电子科技有限公司 | Plate-type pressure sensor |
-
2023
- 2023-03-23 CN CN202310286951.9A patent/CN116086549A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918419A (en) * | 2017-05-15 | 2017-07-04 | 中国工程物理研究院总体工程研究所 | Disk Brake input pressure measurement sensor |
| CN207338499U (en) * | 2017-11-08 | 2018-05-08 | 深圳市鑫精诚科技有限公司 | A kind of new new energy car battery bag press fitting sensor |
| CN209296198U (en) * | 2019-02-20 | 2019-08-23 | 埃米(厦门)科技有限公司 | Cell expansion force checking device |
| CN209296199U (en) * | 2019-02-20 | 2019-08-23 | 埃米(厦门)科技有限公司 | Weighing device with planar load cell |
| CN209745440U (en) * | 2019-05-16 | 2019-12-06 | 深圳市力准传感技术有限公司 | Force sensor |
| CN213779350U (en) * | 2020-12-31 | 2021-07-23 | 常州聚卓智能科技有限公司 | Flat-plate force sensor |
| WO2022257947A1 (en) * | 2021-06-10 | 2022-12-15 | 北京思灵机器人科技有限责任公司 | Torque sensor |
| CN218330355U (en) * | 2022-10-25 | 2023-01-17 | 合肥博兰森测控电子科技有限公司 | Plate-type pressure sensor |
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Application publication date: 20230509 |
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