CN112415406B - New energy automobile battery centrifugation accelerated discharge tester - Google Patents
New energy automobile battery centrifugation accelerated discharge tester Download PDFInfo
- Publication number
- CN112415406B CN112415406B CN202011220998.8A CN202011220998A CN112415406B CN 112415406 B CN112415406 B CN 112415406B CN 202011220998 A CN202011220998 A CN 202011220998A CN 112415406 B CN112415406 B CN 112415406B
- Authority
- CN
- China
- Prior art keywords
- acceleration
- transmission shaft
- battery
- new energy
- disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a centrifugal acceleration discharge tester for a new energy automobile battery, which solves the problem that the battery discharge tester in the prior art can not test the discharge loading of the battery in a centrifugal acceleration state, and comprises a transmission shaft, a first acceleration disc, a second acceleration disc, a detection device, a current conduction device and a speed change device, wherein two acceleration discs are arranged on the transmission shaft, the speed change device is arranged at the same time to provide different rotating speeds for the transmission shaft, two battery fixing devices are arranged on the two acceleration discs and are used for installing the battery, the current conduction device and the detection device are arranged in the transmission shaft, the current of the battery can be conducted into the detection device under the condition of centrifugal acceleration of the battery, the detection device comprises a current conducting wire group and a force sensor, the current conducting wire group is electrified to generate ampere force, and the ampere force is conducted out through a force sensor, and the discharge state of the battery under the condition of centrifugal acceleration is indirectly measured.
Description
Technical Field
The invention relates to the technical field of new energy automobile batteries, in particular to a centrifugal acceleration discharge tester for a new energy automobile battery.
Background
The battery is an electrochemical component which stores chemical energy and releases electric energy when necessary, is widely applied to various industries developing in industry, agriculture and national economy, is greatly developed in the technical field of new energy vehicles, influences the performance of the new energy vehicles to a great extent by the performance of the battery, and needs to be detected by a discharge tester in order to accurately grasp the state of the battery in the using process.
In the prior art, the discharge tester tests the fixed state of the battery, namely the battery is placed on a fixed workbench, however, in the use process of the battery, what state the battery is in is possible, for example, under the rotating working condition of the battery for a new energy automobile, the current equipment cannot detect the discharge of the battery, and we are uncertain that under the rotating working condition, the discharge of the battery cannot be influenced, so that the equipment needs to be designed, and the discharge state of the battery can be detected under the rotating condition of the battery.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a centrifugal acceleration discharge tester for a new energy vehicle battery, which can detect a discharge behavior of the battery under a centrifugal acceleration condition.
In order to achieve the above object, the present invention provides a new energy automobile battery centrifugal acceleration discharge tester, including:
a drive shaft;
the first acceleration disk and the second acceleration disk are arranged on the transmission shaft, and battery fixing devices are arranged on the first acceleration disk and the second acceleration disk;
the detection device is used for detecting the discharge state of the batteries on the first acceleration disk and the second acceleration disk;
the current conduction device is used for conducting the current of the batteries arranged on the first acceleration disk and the second acceleration disk to the detection device;
and the speed change device is arranged at the bottom of the transmission shaft and drives the transmission shaft to rotate at different speeds.
According to the new energy automobile battery centrifugal acceleration discharge tester, the first acceleration disk and the second acceleration disk are respectively provided with two battery fixing devices, and the first acceleration disk and the second acceleration disk are movably connected with the transmission shaft through bearings.
According to the new energy automobile battery centrifugal acceleration's discharge tester, be provided with the steering gear between first acceleration dish and the second acceleration dish, the steering gear is including setting up the first rack in first acceleration dish bottom surface, setting up the second rack at the second acceleration dish top surface and with transmission shaft fixed connection's steering gear, steering gear upper end with first rack meshing, the lower extreme with the second rack meshing.
According to the discharge tester for centrifugal acceleration of the new energy automobile battery, the battery fixing device comprises a fixing support and limiting sliding grooves formed in the first acceleration disc and the second acceleration disc, and the fixing support is slidably arranged in the limiting sliding grooves.
According to the new energy automobile battery centrifugal acceleration discharge tester, the current conduction device comprises an external wiring column, a conductive column, a brush carbon group, a conductive ring assembly, an internal wiring column, an anode lead group and a cathode lead group, the external wiring column is arranged on the first acceleration disc and the second acceleration disc and is electrically connected with the battery, one end of the conductive column is electrically connected with the external wiring column, the other end of the conductive column is abutted against the brush carbon group, the brush carbon group is attached to the conductive ring assembly, the inner side of the conductive ring assembly is connected with the internal wiring column, and the internal wiring column is connected with the anode lead group and the cathode guide group.
According to the centrifugal acceleration discharge tester for the new energy automobile battery, the transmission shaft is a hollow shaft, and the conductive column, the carbon brushing group, the conductive ring assembly, the inner connecting column, the positive electrode lead group and the negative electrode lead group are all arranged in the transmission shaft.
According to the discharge tester for centrifugal acceleration of the new energy automobile battery, the detection device comprises a power-on lead group, a force sensor, an inflow lead group and an outflow lead group, the force sensor is arranged on the side edge of the power-on lead group, one end of the power-on lead group is connected with the inflow lead group, the other end of the power-on lead group is connected with the outflow lead group, the inflow lead group is electrically connected with the positive lead group, and the outflow lead group is electrically connected with the negative lead group.
According to a new energy automobile battery centrifugation accelerated discharge tester, both ends are provided with positive pole circuit connection respectively about the transmission shaft and handle the shell with negative pole circuit connection, the inflow wire group passes through positive pole circuit connection handle the shell with positive pole wire group electricity is connected, the outflow wire group passes through negative pole circuit connection handle the shell with negative pole wire group electricity is connected.
According to the discharge tester for centrifugal acceleration of the new energy automobile battery, the speed changing device comprises a first driving device and a second driving device, the first driving device comprises a first motor, a first helical gear and a second helical gear arranged on the transmission shaft, an output shaft arranged on the first motor is connected with the first helical gear, and the first helical gear is meshed with the second helical gear.
According to a new energy automobile battery centrifugation discharge tester with higher speed, second drive arrangement includes second motor, transmission, planetary gear set, sets up sun gear and the inboard third rack of transmission shaft in the transmission shaft, the second motor passes through transmission drives planetary gear set rotates, planetary gear set includes two planet wheels of coaxial setting, one of them planet wheel with transmission meets, another simultaneously with third rack and sun gear meshing, just the planet wheel diameter is less than the sun gear diameter, the last one-way transmission that is provided with of transmission.
The invention has the following beneficial effects:
the speed change device is arranged, so that the rotating speed of the transmission shaft can be adjusted, the batteries arranged on the first acceleration disc and the second acceleration disc can move in a centrifugal acceleration mode, and the discharging behavior of the new energy automobile battery in the state of the batteries can be conveniently detected;
two battery fixing devices are arranged on the first acceleration disc and the second acceleration disc, so that the discharge states of four new energy automobile batteries can be detected at the same time;
a steering gear is arranged between the first acceleration disk and the second acceleration disk, so that when the transmission shaft rotates, the rotation directions of the first acceleration disk and the second acceleration disk are opposite, and four new energy automobile batteries with opposite movement directions can be detected simultaneously;
the detection device is provided with the electrified lead group and the force sensor, when current passes through the electrified lead group, ampere force can be generated, and the force sensor can sense the magnitude of the ampere force, so that the discharge state of the new energy automobile battery in a centrifugal state can be judged, the structure is simple, and the accuracy is high;
the transmission device is provided with the one-way transmission device, so that the influence on the second motor when the first driving device drives the transmission shaft to rotate can be avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the operation of the fastening device of the present invention.
Fig. 3 is a schematic view of the current conducting means of the present invention.
FIG. 4 is a schematic view of the detecting device of the present invention.
Fig. 5 is a schematic view of the transmission structure of the present invention.
Fig. 6 is a schematic view of the operation of the diverter of the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-6, a new energy automobile battery centrifugal acceleration's discharge tester includes:
the transmission shaft 100, the transmission shaft 100 is a main transmission component, and is powered by the transmission device 700.
The first acceleration disk 200 and the second acceleration disk 300, the first acceleration disk 200 and the second acceleration disk 300 are both disposed on the transmission shaft 100, the first acceleration disk 200 and the second acceleration disk 300 are both provided with the battery fixing device 400, the first acceleration disk 200 and the second acceleration disk 300 both rotate through the transmission shaft 100, and the battery is mounted on the battery fixing device 400, and when the transmission shaft 100 rotates, the first acceleration disk 200 and the second acceleration disk 300 are subjected to a centrifugal force together.
The battery discharge state testing device is characterized in that the battery discharge state testing device is also arranged at the speed change device 700, the speed change device 700 is arranged at the bottom of the transmission shaft 100 and drives the transmission shaft 100 to rotate at different speeds, the battery can be tested at different rotating speeds, the centrifugal force applied to the battery is different at different rotating speeds, and when the battery is converted from a low speed to a high speed, the centrifugal force applied to the battery is increased greatly.
The detecting device 500 is used for detecting the discharging state of the batteries on the first acceleration disk 200 and the second acceleration disk 300, that is, the discharging state of the batteries in the centrifugal rotation condition can be detected, and the discharging state of the batteries in the different speed rotation condition can be detected.
And a current transfer means 600, wherein the current transfer means 600 is used for transferring the current of the batteries arranged on the first acceleration disk 200 and the second acceleration disk 300 to the detection means 500, transferring the current of the batteries in the centrifugal acceleration state to the detection means 500 to detect the discharge state of the batteries, and feeding back the discharge state of the batteries by detecting the discharge current.
The two battery fixing devices 400 are disposed on the first acceleration disk 200 and the second acceleration disk 300, and the first acceleration disk 200 and the second acceleration disk 300 are movably connected to the transmission shaft 100 through a bearing, that is, the rotation of the transmission shaft 100 cannot directly drive the first acceleration disk 200 and the second acceleration disk 300 to move, the first acceleration disk 200 and the second acceleration disk 300 can move relative to the transmission shaft 100, and can detect four batteries at the same time, so that the detection efficiency is high.
The steering gear 800 is arranged between the first acceleration disk 200 and the second acceleration disk 300, the steering gear 800 comprises a first rack 810 arranged on the bottom surface of the first acceleration disk 200, a second rack 820725 arranged on the top surface of the second acceleration disk 300 and a steering gear 830 fixedly connected with the transmission shaft 100, the upper end of the steering gear 830 is meshed with the first rack 810, the lower end of the steering gear 830 is meshed with the second rack 820725, the transmission shaft 100 drives the first acceleration disk 200 and the second acceleration disk 300 to move towards opposite directions through the steering gear 800, the battery discharge states with completely opposite movement directions can be tested simultaneously, the testing efficiency is high without the need of forward and reverse rotation of the transmission shaft 100.
The battery fixing device 400 includes a fixing bracket 410 and a limiting sliding groove 420 disposed on the first acceleration disk 200 and the second acceleration disk 300, the fixing bracket 410 is slidably disposed in the limiting sliding groove 420, the battery is mounted above the limiting sliding groove 420 through the fixing bracket 410, and can be adjusted in position through the limiting sliding groove 420, and can also be locked in position in the limiting sliding groove 420 through the fixing bracket 410.
The current conducting device 600 includes an external connecting post 610, a conducting post 620, a carbon brush set 630, a conducting ring assembly 640, an internal connecting post 650, a positive electrode conducting wire set 660 and a negative electrode conducting wire set 670, the external connecting post 610 is disposed on the first acceleration disk 200 and the second acceleration disk 300 and is electrically connected with the battery, one end of the conducting post 620 is electrically connected with the external connecting post 610, the other end is connected with the carbon brush set 630, the carbon brush set 630 is attached to the conducting ring assembly 640, the inner side of the conducting ring assembly 640 is connected with the internal connecting post 650, the internal connecting post 650 is connected with the positive electrode conducting wire set 660 and the negative electrode conducting wire set, the external connecting post 610 can be disposed with an electric wire connected with the battery, the current is transmitted to the external connecting post 610 by the battery, the external connecting post 610 is transmitted to the conducting post 620 by the electric wire, the current on the conducting post 620 flows to the carbon brush set 630, the conducting ring assembly 640 and the negative electrode conducting wire set 650 in turn, the internal connecting post 650 guides the current to the internal connecting wire set 660 and the negative electrode conducting wire set 670, in the present embodiment, the positive lead group 660 extends toward the upper end of the transmission shaft 100, and the negative lead group 670 extends toward the lower end of the transmission shaft 100, but the other embodiments may be reversed.
The detection device 500 comprises a power-on lead group 510, a force sensor 520, an inflow lead group and an outflow lead group, wherein the force sensor 520 is arranged on the side edge of the power-on lead group 510, one end of the power-on lead group 510 is connected with the inflow lead group, the other end of the power-on lead group is connected with the outflow lead group, the inflow lead group is electrically connected with a positive lead group 660, the outflow lead group is electrically connected with a negative lead group 670, two power-on leads with n turns are arranged when the power-on lead group 510 is powered on, the two power-on leads generate ampere forces with equal magnitude and opposite directions when current passes through, the ampere forces are led out through the force sensor 520, and the discharge behavior of the battery under the centrifugal acceleration condition is indirectly measured. Of course, the detection device 500 may be provided in plurality, and the discharge states of the plurality of batteries may be separately detected.
The upper end and the lower end of the transmission shaft 100 are respectively provided with a positive circuit connection processing shell 110 and a negative circuit connection processing shell 120, an inflow lead group is electrically connected with a positive lead group 660 through the positive circuit connection processing shell 110, an outflow lead group is electrically connected with a negative lead group 670 through the negative circuit connection processing shell 120, the positive circuit connection processing shell 110 is arranged above the transmission shaft 100, the negative circuit connection processing shell 120 is arranged below the transmission shaft 100, a positive switch and an inflow switch are arranged on the positive circuit connection processing shell 110, the positive lead group 660 is connected with the positive switch, the inflow lead group is connected with the inflow switch, the positive switch is electrically connected with the inflow switch, and similarly, the negative circuit connection processing shell 120 is provided with an outflow switch and a negative switch, the negative lead group 670 is connected with the negative switch, and the outflow lead group is connected with the outflow switch.
The transmission 700 includes a first driving device 710 and a second driving device 720, the first driving device 710 includes a first motor 711, a first bevel gear 712, and a second bevel gear 713 disposed on the transmission shaft 100, the first motor 711 is provided with an output shaft connected to the first bevel gear 712, the first bevel gear 712 is engaged with the second bevel gear 713, and the first motor 711 drives the transmission shaft 100 to rotate through the bevel gear, so as to change a rotation direction.
The second driving device 720 includes a second electric motor 721, a transmission device 722, a planetary gear set 723, a sun gear 724 arranged in the transmission shaft 100 and a third rack inside the transmission shaft 100, the second electric motor 721 drives the planetary gear set 723 to rotate through the transmission device 722, the planetary gear set 723 includes two coaxially arranged planet gears, one of the planet gears is connected with the transmission device 722, the other planet gear is meshed with the third rack and the sun gear 724, the diameter of the planet gear is smaller than that of the sun gear 724, a one-way transmission device 726 is arranged on the transmission device 722, when the first driving device 710 works, the second driving device 720 does not work, the transmission shaft 100 is used as a driving device, the planetary gear set 723 is used as a driven device, the rotation speed of the transmission shaft 100 is only affected by the first electric motor 711 and the first and second bevel gears 713, the transmission shaft 100 is set to be in a high speed state, and a one-way transmission 726 is provided on the transmission 722 to prevent the transmission of torque to the second motor 721 and protect the second motor 721.
When the second driving device 720 works, the first driving device 710 does not work, the planetary gear set 723 serves as a driving device at this time, the transmission shaft 100 serves as a driven device, and the planetary gear is arranged between the third rack and the sun gear 724, is smaller than the diameter of the sun gear 724, naturally is much smaller than the diameter of the third rack, the large gear is driven by the pinion to rotate, the rotating speed naturally drops a lot, and the transmission shaft 100 is in a low-speed state at this time.
In this embodiment, the transmission device 722 includes a third helical gear 772a, a fourth helical gear 722b, a first speed-changing spur gear 722c and a second speed-changing spur gear 722d, the second motor 721 is provided with an output shaft connected with the third helical gear 722a, the third helical gear 722a is meshed with the fourth helical gear 722b, the fourth helical gear 722b is coaxially arranged with the first speed-changing spur gear 722c, the first speed-changing spur gear 722c is meshed with the second speed-changing spur gear 722d, a coaxial transmission gear is arranged on the upper side of the second speed-changing spur gear 722d, one planetary gear of the planetary gear set 723 is meshed with the transmission gear, and the unidirectional transmission device 726 mentioned in this embodiment is provided as a unidirectional bearing which is arranged on the first speed-changing spur gear 722 c.
The invention provides a new energy automobile battery centrifugal acceleration discharge tester, which is characterized in that two acceleration discs are arranged on a transmission shaft, a speed change device is arranged at the same time to provide different rotating speeds for the transmission shaft, two battery fixing devices are arranged on the two acceleration discs and used for installing a battery, a current conduction device and a detection device are arranged in the transmission shaft, the current of the battery can be conducted into the detection device under the condition of centrifugal acceleration of the battery, the detection device comprises a current conducting wire group and a force sensor, the current conducting wire group is electrified to generate ampere force, and the ampere force is conducted out through the force sensor, so that the discharge state of the battery under the condition of centrifugal acceleration is indirectly measured.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are provided to help understanding of the concepts of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a new energy automobile battery centrifugation acceleration's discharge tester, its characterized in that includes:
a drive shaft;
the first acceleration disc and the second acceleration disc are both arranged on the transmission shaft, and battery fixing devices are arranged on the first acceleration disc and the second acceleration disc;
the detection device is used for detecting the discharge state of the batteries on the first acceleration disk and the second acceleration disk;
the current conduction device is used for conducting the current of the batteries arranged on the first acceleration disk and the second acceleration disk to the detection device;
the speed change device is arranged at the bottom of the transmission shaft and drives the transmission shaft to rotate at different speeds;
the first acceleration disc and the second acceleration disc are both provided with two battery fixing devices and are movably connected with the transmission shaft through bearings;
the electric current conduction device includes external terminal, leads electric pillar, carbon brush group, electrically conductive ring subassembly, interior terminal, anodal wire group and negative pole wire group, the external terminal sets up first acceleration dish with on the second acceleration dish to be connected with the battery electricity, lead electric pillar one end with the external terminal electricity is connected, the other end with the butt is organized to the carbon brush, carbon brush group with the laminating of electrically conductive ring subassembly, electrically conductive ring subassembly inboard with interior terminal meets, interior terminal with anodal wire group and negative pole direction group meets.
2. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 1, characterized in that a steering gear is arranged between the first acceleration disk and the second acceleration disk, the steering gear comprises a first rack arranged on the bottom surface of the first acceleration disk, a second rack arranged on the top surface of the second acceleration disk, and a steering gear fixedly connected with the transmission shaft, the upper end of the steering gear is engaged with the first rack, and the lower end of the steering gear is engaged with the second rack.
3. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 1, characterized in that the battery fixing device includes a fixing bracket and a limiting sliding groove disposed on the first accelerating disk and the second accelerating disk, and the fixing bracket is slidably disposed in the limiting sliding groove.
4. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 1, characterized in that the transmission shaft is provided as a hollow shaft, and the conductive column, the carbon brush set, the conductive ring assembly, the inner terminal, the positive wire set and the negative wire set are all provided in the transmission shaft.
5. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 1, characterized in that the detection device includes a current lead set, a force sensor, an inflow lead set and an outflow lead set, the force sensor is disposed at a side of the current lead set, one end of the current lead set is connected to the inflow lead set, the other end of the current lead set is connected to the outflow lead set, the inflow lead set is electrically connected to the positive lead set, and the outflow lead set is electrically connected to the negative lead set.
6. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 5, characterized in that the transmission shaft is provided with a positive circuit connection processing shell and a negative circuit connection processing shell at the upper and lower ends respectively, the inflow lead set is electrically connected with the positive lead set through the positive circuit connection processing shell, and the outflow lead set is electrically connected with the negative lead set through the negative circuit connection processing shell.
7. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 1, characterized in that the speed change device comprises a first driving device and a second driving device, the first driving device comprises a first motor, a first bevel gear and a second bevel gear arranged on the transmission shaft, an output shaft arranged on the first motor is connected with the first bevel gear, and the first bevel gear is meshed with the second bevel gear.
8. The new energy automobile battery centrifugal acceleration discharge tester as claimed in claim 7, characterized in that, the second driving device includes a second motor, a transmission device, a planetary gear set, a sun gear disposed in the transmission shaft, and a third rack inside the transmission shaft, the second motor drives the planetary gear set to rotate through the transmission device, the planetary gear set includes two planetary gears coaxially disposed, one planetary gear is connected to the transmission device, the other planetary gear is meshed with the third rack and the sun gear at the same time, and the diameter of the planetary gear is smaller than that of the sun gear, and a unidirectional transmission device is disposed on the transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220998.8A CN112415406B (en) | 2020-11-05 | 2020-11-05 | New energy automobile battery centrifugation accelerated discharge tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220998.8A CN112415406B (en) | 2020-11-05 | 2020-11-05 | New energy automobile battery centrifugation accelerated discharge tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112415406A CN112415406A (en) | 2021-02-26 |
| CN112415406B true CN112415406B (en) | 2022-07-26 |
Family
ID=74828589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011220998.8A Active CN112415406B (en) | 2020-11-05 | 2020-11-05 | New energy automobile battery centrifugation accelerated discharge tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112415406B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4378923B2 (en) * | 2002-10-01 | 2009-12-09 | 株式会社ジーエス・ユアサコーポレーション | Vehicle equipped with a battery charge / discharge current measuring device |
| CN104880672B (en) * | 2015-03-26 | 2017-12-22 | 北京东方计量测试研究所 | A kind of device of aligned spaces battery electrical characteristics under different acceleration conditions |
| US10481215B2 (en) * | 2017-08-31 | 2019-11-19 | GM Global Technology Operations LLC | Method and apparatus for evaluating a battery cell |
| CN111722131A (en) * | 2020-06-29 | 2020-09-29 | 长沙宁湖机械设备有限公司 | Double-layer dynamic battery performance detector |
-
2020
- 2020-11-05 CN CN202011220998.8A patent/CN112415406B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112415406A (en) | 2021-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112415406B (en) | New energy automobile battery centrifugation accelerated discharge tester | |
| CN106218438A (en) | Charging device and there is the vehicle of this charging device | |
| US10862174B2 (en) | Secondary battery system and method of estimating deterioration state of secondary battery system | |
| CN111776064A (en) | Electric circulating ball steering gear assembly for medium truck commercial vehicle | |
| CN108582093A (en) | A kind of pipeline detection robot based on rack-and-pinion reducing | |
| CN205941010U (en) | New energy automobile power assembly testboard | |
| CN201449335U (en) | Electric steering function inspecting and testing bench | |
| CN106248370A (en) | A kind of automotive seat safe bearing pin high speed torsion detecting device | |
| CN209820727U (en) | Vibration experiment device for mechanical environment detection | |
| CN106763523B (en) | Speed reduction hub bearing | |
| CN200991710Y (en) | Real-time on-line measuring device for drive axle torque of rolling mill apparatus without damage | |
| CN216695714U (en) | Floating type water quality detection device | |
| CN217638027U (en) | Steering detection device for vehicles in factory | |
| CN106515987A (en) | Composite speed raising drive device for electric bicycle | |
| CN212447770U (en) | Electric circulating ball steering gear assembly for medium truck commercial vehicle | |
| CN104806733A (en) | Bearing stress based torque detection structure and method | |
| CN112505556A (en) | New energy automobile battery forward and reverse variable acceleration capacity test machine | |
| CN212094866U (en) | Chuck structure | |
| CN209927963U (en) | 10kV centrally installed switchgear partial discharge test work execution clamp holder and execution system | |
| CN207611105U (en) | Scooter drive axle electric performance test auxiliary device | |
| CN107588875B (en) | Strain gauge type moment sensor and motor | |
| CN207328098U (en) | With energy feedback lightweight pure electrical vehicle driving system | |
| CN111707952A (en) | Pure electric vehicles lithium cell group power conversion efficiency capability test subassembly | |
| CN220399596U (en) | High efficiency motor detection device | |
| CN111521409A (en) | Life testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No.89 Cuibai Road, Ningbo, Zhejiang 315000 Applicant after: Ningbo University of Technology Address before: 201 Fenghua Road, Ningbo City, Zhejiang Province Applicant before: Ningbo University of Technology |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |