CN208688761U - A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism - Google Patents
A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism Download PDFInfo
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- CN208688761U CN208688761U CN201721852449.6U CN201721852449U CN208688761U CN 208688761 U CN208688761 U CN 208688761U CN 201721852449 U CN201721852449 U CN 201721852449U CN 208688761 U CN208688761 U CN 208688761U
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- lithium battery
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- pressing plate
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Abstract
The utility model discloses a kind of cylinder type lithium battery pressure continuously to adjust fixed protection mechanism, so that it relative displacement is not occurred with shake table working face for fixing lithium battery in vibration experiment.Wherein two screw rods positioned at vertical pressing plate both sides sequentially pass through spring, nut, vertical pressing plate from top to bottom, are connect by traveling nut with the stepper motor on bottom plate；Vertical pressing plate global shape is that have 4 sections in the side close to bottom plate be the indent of isosceles trapezoid to cuboid, pressure sensor is had on each indent bottom surface, temperature sensor is had on one side, for detecting the pressure and temperature on the surface of lithium battery in charge and discharge process；Battery case groove body is arc-shaped convenient for placement cylinder type lithium battery；It fixes electrode and movable electrode is cylindrical and axis is overlapped with the cylinder type lithium battery axis placed, be located on the horizontal pressure foot of battery case two sides, for fixing lithium battery in the horizontal direction.
Description
Technical field
The present invention designs a kind of cylinder type lithium battery pressure and continuously adjusts fixed protection mechanism
Background technique
The key of vibration experiment is to guarantee do not have relative displacement between laboratory sample and the plane of oscillation, this needs to test
Sample is placed on certain fixed mechanism, is applied pressure while relative displacement will not be occurred by guaranteeing and is also required to control one
In fixed range, reason is that pressure crosses conference destructive test sample, and pressure is too small not to have fixed effect.And it is directed to circle
The vibration experiment of cylindricality lithium battery carries out under certain energization environment with greater need for sample, and existing fixed mechanism does not have on the market
There is the product that can satisfy requirements above to occur.
Summary of the invention
It is an object of the invention to meet above-mentioned requirements condition, the pressure for providing a kind of cylinder type lithium battery vibration experiment connects
It is continuous to adjust fixed protection mechanism, and have the characteristics that solid and reliable, easy to operate, low in cost.
Implementation of the invention is as follows, and a kind of pressure of cylinder type lithium battery vibration experiment continuously adjusts fixed protection machine
Structure comprising: bottom plate fixation hole 1, stepper motor 2, nut 3, spring 4, screw rod 5, horizontal pressure foot 6, fixed electrode 7, bottom plate 8,
Vertical pressing plate 9, traveling nut 10, battery case 11, movable electrode 12, pressure sensor 13, temperature sensor 14.
Wherein above-mentioned screw rod 5 sequentially passes through spring 4, nut 3, vertical pressing plate 9, traveling nut 10, two spiral shells from top to bottom
Bar is located at vertical 9 both sides of pressing plate, is connect, is made in above-mentioned 5 axial direction of screw rod with the stepper motor 2 on bottom plate 8 by traveling nut 10
Perpendicular to 8 place plane of bottom plate, above-mentioned vertical pressing plate 9 is parallel to bottom plate 8 simultaneously；Above-mentioned 9 global shape of vertical pressing plate is cuboid
Having 4 sections in the side close to bottom plate 8 is the indent of isosceles trapezoid, and pressure sensor 13 is located at the bottom surface of above-mentioned indent, temperature
Degree sensor 14 is located at a side of above-mentioned indent, for detecting the surface temperature of the lithium battery in charge and discharge process；It is above-mentioned
Battery case 11 is located among two stepper motors 2, and groove body is arc-shaped for placing cylinder type lithium battery；Above-mentioned horizontal pressure foot 6
Positioned at the other side of battery case 11, fixed the fixed electrode 7 cylindrical of electrode 7 is cylindrical is fixed on leaning on for horizontal pressure foot 6
The one side of nearly battery case 11, axis are overlapped with the cylinder type lithium battery axis placed；It is another that movable electrode 12 is located at battery case 11
Inside the horizontal pressure foot of side, axis is overlapped with fixed 7 axis of electrode.
Spring is all installed on above-mentioned vertical pressing plate both sides, rather than directly press strip is fixed on screw rod, can make to hang down in this way
Vertical compression plate has a certain range of activity interval, prevents the damage of pressing plate and lithium battery, while preventing the nut in vibration processes
Loosen, the pressure jump that causes lithium battery to be subject to and relative displacement occurs.
Traveling nut is installed in above-mentioned screw rod one end, for adjusting screw rod to control the pressure that pressing plate is applied on lithium battery.
Above-mentioned movable electrode is by insulation knob 15, propelling spring 16 and electrode 17 is promoted to form, and the installing of movable electrode can
Achieve the effect that fixed lithium battery in the horizontal direction with the position by adjusting insulation knob 15.
Pressure acquisition transmission device and temperature acquisition recording device are installed on above-mentioned vertical pressing plate.
Charge and discharge electrode is installed on above-mentioned horizontal pressure foot to guarantee that charge and discharge can be carried out in lithium battery vibration processes simultaneously.
Above-mentioned battery case has arc-shaped cell wall identical with lithium battery radius, this is conducive to consolidating for cylinder type lithium battery
It is fixed.
Two stepper motors of the present invention are connect with the traveling nut of screw rod one end, and just by the triggering of control signal
Turn or inversion effect, to control rising or falling for vertical pressing plate, until lithium battery pressure reaches a certain fixed value,
Stepper motor stops operating, and lithium battery meets fixed require.
Detailed description of the invention
Fig. 1 is the perspective view of fixed mechanism provided in an embodiment of the present invention.
Fig. 2 is the side view of fixed mechanism provided in an embodiment of the present invention.
Fig. 3 is the top view of fixed mechanism provided in an embodiment of the present invention.
Fig. 4 is the front view of fixed mechanism provided in an embodiment of the present invention.
Fig. 5 is the rearview of fixed mechanism provided in an embodiment of the present invention.
Fig. 6 is movable electrode perspective view provided in an embodiment of the present invention.
Fig. 7 is circuit topological structure figure provided in an embodiment of the present invention.
Fig. 8 is the work flow diagram that pressure provided in an embodiment of the present invention continuously adjusts control program.
Specific embodiment
The detailed operation mode of specific embodiment and Detailed description of the invention this patent will be passed through below.
As shown in Figure 1, because the present embodiment is symmetrical structure, for the bottom plate fixation hole 1 in figure, stepper motor 2,
Nut 3, spring 4, screw rod 5, fixed electrode 7, traveling nut 10, movable electrode 12 are all to refer to both side assemblies.
As shown in Figure 1, installing fixed electrodes 7 on horizontal pressure foot 6, this electrode position is fixed from the horizontal direction
Upper back-and-forth motion.
As shown in Figure 1, the position that fixed electrode 7 is located at horizontal pressure foot 6 and the cylinder type lithium battery electrode that places is contour.
As shown in Figure 1, the horizontal pressure foot in 6 other side of horizontal pressure foot is similar to 6 material identical function of horizontal pressure foot, do not have
Individually mark.
As shown in Figure 1, movable electrode 12 can adjust the position for promoting electrode on horizontal pressure foot by insulation knob, make
The positive and negative anodes that cylinder type lithium battery is contributed in the horizontal direction by certain fixed effect, the electrode of two sides as lithium battery
Charging and discharging currents are provided.
As shown in Figure 1, battery case 11 is located at for placing test specimen between two horizontal pressure foots, arc-shaped groove face has
Conducive to the fixation of cylinder type lithium battery.
As shown in Figure 1, the placing height that battery case 11 has raised cylinder type lithium battery makes sample in the activity of vertical pressing plate 9
In range, while being contacted convenient for sample with electrode.
As shown in Figure 1, stepper motor 2 by traveling nut 10 control vertical pressing plate decline give cylindrical lithium lithium battery apply
Pressure.
As shown in Figure 1, pressure sensor 13 is located on the bottom surface of vertical pressing plate indent, the diameter being subject to for detecting lithium battery
To pressure and by data pass back stepper motor 2 control program, make battery by certain pressure in a certain range.
As shown in Figure 1, temperature sensor 14 is located on the side plane of vertical pressing plate indent, for monitoring lithium battery in charge and discharge
Surface temperature in electric process.
As shown in Figure 1, the indent of vertical pressing plate 9 is made of three planes rather than a curved surface, be conducive to pressure in this way
Sensor 13,14 two kinds of sensors of temperature sensor are respectively installed on the bottom surface and side of indent.
As shown in Fig. 2, screw rod 5 is for connecting spring 4, vertical pressing plate 9 and stepper motor 2.
As shown in Fig. 2, fixed electrode 7 and movable electrode 12 are located at isometry position, it is installed in this way conducive to electrode to test
Sample charge and discharge.
As shown in figure 3, the width of vertical pressing plate 9 is the half of 11 width of battery case, it ensure that cylinder type lithium battery is tested
Sample has certain forced area, makes to fix relatively reliable.
As shown in figure 4, spring 4 is installed in the both ends of vertical pressing plate 9, it is used for vibration damping, protects pressing plate, while in vibration process
In when nut 3 loosens, certain fixed function can be played.
As shown in fig. 6, movable electrode is by insulation knob 15, propelling spring 16 and electrode 17 is promoted to form.
As shown in fig. 6, there is screw thread on insulation knob 15, also there is Corresponding matching on corresponding horizontal pressure foot electrode mounting hole
Screw thread, convenient for adjusting position of the insulation knob 15 on mounting hole.
As shown in fig. 6, there is cross recess in insulation 15 side of knob, convenient for being revolved using the precession of screwdriver manual adjustment knob
Out, adjusting knob is in the position of mounting hole.
As shown in fig. 6, propelling spring 16 is located at by insulation knob 15 and promotes between electrode 17, installing purpose is to pushing away
The activity space certain in the horizontal direction into electrode 17, guarantee test sample is in the horizontal direction by certain fixed function power
While, promote electrode 17 not damage because stress in horizontal direction is excessive.
As shown in fig. 6, promoting electrode 17, there are two tabs on side, when tab guarantees that electrode moves in mounting hole
It will not rotate, be convenient for contact conductor in this way.
As shown in fig. 7, only temperature collection sensor and pressure pass control chip in the topological structure of entire control circuit
The data of sensor control motor driven by certain logical relation, further control motor forward or reverse.
As shown in figure 8, pressure carries out the initialization of each subprogram first when continuously adjusting control program work；It is electric later
Machine resets, and resetting operation can make the vertical pressing plate of step motor control reach reset height, convenient for the installation of test specimen；After reset
At this moment four pressure sensor acquisition pressure mean values f are not 0 to contact test sample to vertical pressing plate, and program controlled motor accelerates
It rotates forward, vertical pressing plate rapid decrease, when indent touches test specimen, the size of f value can be in F1And F2Between, at this moment motor
It rotates forward vertical pressing plate decrease speed at a slow speed to reduce, pressure mean values f also will be slow increase, and guarantee not exceeding the pressure value upper limit
F2, and in order to allow four test specimen uniform forces, program is judged, there are two on each side sample is under pressure average value f1And f2It is
It is no equal and within pressure range, work as f1With f2Two sides motor can rotate at a slow speed in a different direction when unequal, until f1
With f2Equal in magnitude, at this moment solid-state relay disconnects, and motor no longer works, program stopped, and fixation is met the requirements；If in pressure
F during adjustment1And f2In any one pressure data it is excessive or too small not within pressure range, program will automatically return to multiple
Position step re-starts the above operation.
In use, fixed mechanism should first be in Fig. 1 state.Then pressure sensor and temperature sensor are attached to vertically
Pressing plate indent bottom surface and side, and data acquisition line is connected to the corresponding ports for controlling chip.For temperature number, according to control core
Piece acquires the data uploaded by sensor in real time.And stepper motor is connect by shielding line with motor driven.Fixed mechanism work
Before, reset operation first is carried out to stepper motor, vertical pressing plate will be raised to initial position, and lithium battery is placed on corresponding battery
In slot, movable electrode being manually adjusted later and applies certain pressure in the horizontal direction to lithium battery, pressure of reruning adjusts journey
Sequence, pressure sensor acquire pressure data in real time, and control chip is controlled by control algolithm to stepping by the pressure data of acquisition
To change the working condition of stepper motor, motor rotation controls pulse number and the pulse persistance duration of motor driven input
Press strip compresses or loosens；When lithium battery pressure is more than certain certain value, motor can rotate backward and turn pressure down, if pressure
Too small, with vibration working face relative displacement may occur for lithium battery in vibration processes, this will cause lithium battery and electrode
Poor contact, at this moment motor, which rotates forward, tunes up pressure, continuously adjusts by multiple, and lithium battery is suffered by the vertical direction
Pressure reaches requirement, to realize vertical pressing plate to the fixed function of lithium battery.Such fixed form, structure is simple, securely
Reliably, low in cost, and can be realized the real-time detection record to pressure suffered by lithium battery sample and self-temperature, not
The experimental data for more acquiring lithium battery in the case where lithium battery vibration experiment is influenced, reduces the workload of experimenter, together
When also facilitate maintenance and maintenance.
Claims (5)
1. a kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism, which is characterized in that including bottom plate fixation hole (1),
Stepper motor (2), nut (3), spring (4), screw rod (5), horizontal pressure foot (6), fixed electrode (7), bottom plate (8), vertical pressing plate
(9), traveling nut (10), battery case (11), movable electrode (12), pressure sensor (13), temperature sensor (14)；On wherein
It states screw rod (5) and sequentially passes through spring (4), nut (3), vertical pressing plate (9), traveling nut (10), two screw rod positions from top to bottom
In vertical pressing plate (9) both sides, it is connect by traveling nut (10) with the stepper motor (2) on bottom plate (8), makes above-mentioned screw rod (5)
Perpendicular to plane where bottom plate (8), above-mentioned vertical pressing plate (9) is parallel to bottom plate (8) simultaneously on axial；Above-mentioned vertical pressing plate (9) is whole
Shape is cuboid, and to have 4 sections in the side close to bottom plate (8) be the indent of isosceles trapezoid, and pressure sensor (13) is located at
The bottom surface of above-mentioned indent, temperature sensor (14) are located at a side of above-mentioned indent, for detecting the lithium in charge and discharge process
The surface temperature of battery；Above-mentioned battery case (11) is located among two stepper motors (2), and groove body is arc-shaped for placing cylinder
Shape lithium battery；Above-mentioned horizontal pressure foot (6) is located at the other side of battery case (11), and fixed electrode (7) are cylindrical is fixed on water
The one side of the close battery case (11) of flat clamp (6), axis are overlapped with the cylinder type lithium battery axis placed；Movable electrode
(12) inside the horizontal pressure foot of battery case (11) other side, axis is overlapped with fixed electrode (7) axis.
2. a kind of cylinder type lithium battery pressure according to claim 1 continuously adjusts fixed protection mechanism, it is characterized in that institute
It states movable electrode (12) and can use Phillips screwdriver change movable electrode from horizontal pressure foot with cross recess structure
Axial position.
3. a kind of cylinder type lithium battery pressure according to claim 1 continuously adjusts fixed protection mechanism, it is characterized in that institute
Bottom plate (8) two sides are stated respectively there are three the fixation hole with bottom plate fixation hole (1) equally, fix entire protection machine for making across screw
Structure is fixed on a vibration table.
4. a kind of cylinder type lithium battery pressure according to claim 1 continuously adjusts fixed protection mechanism, it is characterized in that setting
Pressure sensor (13) are equipped with, for acquiring lithium battery pressure.
5. a kind of cylinder type lithium battery pressure according to claim 1 continuously adjusts fixed protection mechanism, it is characterized in that spiral shell
Movable screw is installed in bar one end, moves for adjusting screw rod to control the pressure that vertical pressing plate is applied on lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852449.6U CN208688761U (en) | 2017-12-25 | 2017-12-25 | A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721852449.6U CN208688761U (en) | 2017-12-25 | 2017-12-25 | A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN208688761U true CN208688761U (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721852449.6U Expired - Fee Related CN208688761U (en) | 2017-12-25 | 2017-12-25 | A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894312A (en) * | 2017-12-25 | 2018-04-10 | 河北工业大学 | A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism |
-
2017
- 2017-12-25 CN CN201721852449.6U patent/CN208688761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894312A (en) * | 2017-12-25 | 2018-04-10 | 河北工业大学 | A kind of cylinder type lithium battery pressure continuously adjusts fixed protection mechanism |
| CN107894312B (en) * | 2017-12-25 | 2024-03-29 | 河北工业大学 | Cylindrical lithium battery pressure continuous adjustment fixing protection mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20191225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |