CN104880672A - Device for calibrating electrical characteristics of space storage battery at different acceleration states - Google Patents
Device for calibrating electrical characteristics of space storage battery at different acceleration states Download PDFInfo
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- CN104880672A CN104880672A CN201510137163.9A CN201510137163A CN104880672A CN 104880672 A CN104880672 A CN 104880672A CN 201510137163 A CN201510137163 A CN 201510137163A CN 104880672 A CN104880672 A CN 104880672A
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Abstract
The invention discloses a device for calibrating electrical characteristics of a space storage battery at different acceleration states (including the weightless state and states of acceleration greater than 1g), and the device is conducive to the setting of stress states of the space storage battery at different positions and acceleration so as to achieve the test or calibration of the electrical characteristic parameters of the space storage battery in different stress environments. The invention is characterized in that the device comprises a rotary table; the center of the rotary table is connected with a rotary table shaft; the center portion of the rotary table is provided with a center fixing chuck; a plurality of centripetal chucks are distributed between the edge of the rotary table and the center of the rotary table; other than one centripetal chuck (the tenth centripetal chuck), the other centripetal chucks are connected with the rotary table through chuck trip shafts; a test equipment fixing structure is disposed on the one centripetal chuck (the tenth centripetal chuck), while space storage battery slots are disposed in the other centripetal chucks; and a fixing structure capable of fixing test equipment and the space storage battery is disposed on the center fixing chuck.
Description
Technical field
The present invention relates to space storage battery characteristic test or collimation technique, the particularly device of a kind of aligned spaces accumulator electrical characteristics under different acceleration condition, be conducive to for space accumulator setting diverse location and the stress of different acceleration, thus reach the electrical characteristic parameter test of space accumulator under different force environment or calibration.
Background technology
Space accumulator is a vitals in aerospacecraft.It is the power supply main during shade of spacecraft.Before vehicle launch lift-off, space accumulator needs to carry out a series of test on the ground, and tellurian environment and the environment in space exist very large difference, the especially weightlessness of space, be difficult to simulation for a long time on earth, to reach the object of test.Being out of one's reckoning or deviation of parameter may be caused like this, especially SOC (stateof charge) parameter of space accumulator, the i.e. state-of-charge parameter of accumulator, it is the important parameter of of space accumulator, characterize remaining battery capacity, the management of charging and discharging system being accurately estimated as accumulator of this parameter provides foundation, thus extends the serviceable life of space accumulator.
Carry out the space accumulator tested on earth, be all subject to the gravitational effect of the earth to it, due to the effect of this power, make to produce between internal storage battery material to interact.Although the spaceborne accumulator of earth flight is also subject to the universal gravitation effect of the earth, this power provides the centripetal acceleration of accumulator completely, does not interact because it produces between the material of internal storage battery.The data of testing accumulator gained so on the ground probably have very big difference with the accumulator the data obtained in space work, so just need the space accumulator under calibration state of weightlessness.Aircraft is in transmitting way, and space accumulator is subject to different acceleration, different from tellurian stressing conditions, may cause the change of electrical characteristics like this, needs the space accumulator to being under different acceleration condition to calibrate.For the test of space accumulator electrical characteristics under different acceleration condition, general employing is fallen from high altitude method, the maximum problem of this method is correcting device and is calibrated under space accumulator is all in same acceleration environment, and standard device examines and determine under the gravity field environment of standard, its characteristic under other acceleration environment is unknown, therefore, likely original reason error is brought.The present invention is exactly for this problem, propose a kind of calibrating installation, even if be calibrated under space accumulator is in various acceleration environment, standard device reaches the calibration to components and parts electrical characteristics under different acceleration condition such as space accumulators under being in the gravity field environment of standard all the time.
Summary of the invention
The present invention is directed to the defect or deficiency that exist in prior art, the device of a kind of aligned spaces accumulator electrical characteristics under different acceleration condition is provided, be conducive to for space accumulator setting diverse location and the stress of different acceleration, thus reach the electrical characteristic parameter test of space accumulator under different force environment or calibration.
Technical solution of the present invention is as follows:
The device of electrical characteristics that a kind of aligned spaces accumulator (comprises state of weightlessness and acceleration condition that is large and 1g) under different acceleration condition, it is characterized in that, comprise rotating disk, the center of described rotating disk connects turntable shaft, the centre of described rotating disk is provided with center and fixes chuck, several centripetal chucks are distributed with between the edge of described rotating disk and the center of described rotating disk, except one of them centripetal chuck (No. ten centripetal chuck), remaining centripetal chuck is connected with described rotating disk by chuck trip shaft, one of them centripetal chuck described (No. ten centripetal chuck) is provided with testing apparatus fixed sturcture, remaining centripetal chuck described is provided with space accumulator draw-in groove, ad hoc structure chuck being provided with energy fixing test equipment and space accumulator is fixed at described center.
It is circumferentially same that several centripetal chucks described are distributed in described rotating disk, and axis and the described same circumference of described chuck trip shaft are tangent.
When calibrating on ground, accumulator draw-in groove internal fixtion space to be calibrated, described centripetal chuck space accumulator, chuck fixed standard equipment (or module) is fixed at described center, described space to be calibrated accumulator connects described standard device (or module) by wire, . drive unit drives rotating disk to rotate with a fixed angular speed by described turntable shaft, space to be calibrated accumulator is made to obtain certain centripetal acceleration, be combined to by this certain centripetal acceleration and acceleration of gravity and obtain another acceleration condition, this another acceleration condition changes with the change of angular velocity, thus realize calibration space accumulator being in electrical characteristics under the different acceleration condition being greater than 1g.Standard device (or module) is in the center of rotating mechanism, and suffered acceleration and rotating mechanism angular velocity of rotation have nothing to do, and are in the standard weight field of force all the time.
Punctual the spacecraft colonel orbited the earth, space to be calibrated accumulator is fixed on the center of described plane of rotor disc, and standard device is fixed on a centripetal chuck, and described space to be calibrated accumulator is connected with wire with between standard device.Drive unit drives rotating disk to rotate with a fixed angular speed by described turntable shaft, makes described standard device obtain the centripetal acceleration with acceleration of gravity equivalence, thus realizes the calibration to electrical characteristics under the accumulator below-G conditions of space.
Described turntable shaft connects motor by gearing.
Described motor connects motor control assembly.
Nine centripetal chucks are distributed with in described rotating disk, the card of first centripetal chuck is parallel with described disc surfaces, the card of second centripetal chuck is towards described center of turntable 90-degree rotation, the card of the 3rd centripetal chuck revolves turnback towards described center of turntable, the card of the 4th centripetal chuck rotates 270 degree towards described center of turntable, and the both positive and negative polarity line in the space accumulator draw-in groove on first to the 4th centripetal chuck is all perpendicular to respective chuck trip shaft; The card of the 5th centripetal chuck is parallel with described disc surfaces, the card of the 6th centripetal chuck is towards described center of turntable 90-degree rotation, the card of the 7th centripetal chuck revolves turnback towards described center of turntable, the card of the 8th centripetal chuck rotates 270 degree towards described center of turntable, both positive and negative polarity line in space accumulator draw-in groove on the 5th to the 8th centripetal chuck is all parallel to respective chuck trip shaft, and the card of No. ten centripetal chuck is parallel with affiliated plane of rotor disc.
Technique effect of the present invention is as follows: the device of a kind of aligned spaces of the present invention accumulator electrical characteristics under different acceleration condition, its ultimate principle is exactly when turntable rotation, be in the acceleration that the object on disk edge position is subject to change along with the change of rotating speed, and the acceleration suffered by equipment being in center of turntable position is constant all the time.Like this, when this device is placed on ground experiment, standard device is in the middle of rotating disk, and suffered acceleration is the gravity field environment of standard, can calibrate space battery characteristics under the different acceleration environments being greater than 1 g acceleration of gravity of object (on the earth) by changing rotating speed.Particularly, this device can be placed on space station work, will space accumulator will be calibrated be fixed on the center of rotating disk, residing is state of weightlessness, standard device is fixed on disk edge, by controlling to keep certain rotating speed, makes the centripetal acceleration of edge be 1g.Standard device is in the acceleration environment of standard, realizes the calibration to electrical characteristics under the accumulator below-G conditions of space.
Accompanying drawing explanation
Fig. 1 is the apparatus structure principle schematic implementing a kind of aligned spaces accumulator of the present invention electrical characteristics under different acceleration condition.
Fig. 2 is the apparatus structure schematic diagram of a kind of aligned spaces accumulator electrical characteristics under different acceleration condition.
Fig. 3 is that space accumulator is at the stress schematic diagram of a kind of aligned spaces accumulator in the device being greater than electrical characteristics under the different acceleration condition of 1g.
Fig. 4 is the stress schematic diagram of space accumulator in number one chuck.
Fig. 5 is the stress schematic diagram of space accumulator in No. second chuck.
Fig. 6 is the stress schematic diagram of space accumulator in No. three chuck.
Fig. 7 is the stress schematic diagram of space accumulator in No. four chuck.
Reference numeral lists as follows: 1-number one chuck or first centripetal chuck; 2-No. second chuck or second centripetal chuck; 3-No. three chuck or the 3rd centripetal chuck; 4-No. four chuck or the 4th centripetal chuck; 5-No. five chuck or the 5th centripetal chuck; 6-No. six chuck or the 6th centripetal chuck; 7-No. seven chuck or the 7th centripetal chuck; 8-No. eight chuck or the 8th centripetal chuck; 9-No. nine chuck or chuck is fixed at center or chuck is fixed at testing apparatus center; Chuck is fixed at 10-No. ten chuck or No. ten centripetal chuck or testing apparatus edge; 11-chuck reverses direction; 12-chuck trip shaft; 13-space accumulator draw-in groove; 14-rotating disk; 15-tumble port; 16-turntable shaft; 17-gearing; 18-motor or servomotor; 19-motor control assembly.
Embodiment
Below in conjunction with accompanying drawing (Fig. 1-Fig. 7), the present invention will be described.
Fig. 1 is the apparatus structure principle schematic implementing a kind of aligned spaces accumulator of the present invention electrical characteristics under different acceleration condition.Fig. 2 is the apparatus structure schematic diagram of a kind of aligned spaces accumulator electrical characteristics under different acceleration condition.As shown in Figure 1 to Figure 2, the device of a kind of aligned spaces accumulator electrical characteristics under different acceleration condition, comprise rotating disk 14, the center of described rotating disk 14 connects turntable shaft 16, the centre of described rotating disk 14 is provided with center and fixes chuck 9, several centripetal chuck (such as number one chucks 1 are distributed with between the edge of described rotating disk 14 and the center of described rotating disk 14, No. second chuck 2, No. three chuck 3, No. four chuck 4, No. five chuck 5, No. six chuck 6, No. seven chuck 7, No. eight chuck 8, No. ten chuck 10), except one of them centripetal chuck (No. ten centripetal chuck), remaining centripetal chuck is connected with described rotating disk 14 by chuck trip shaft 12, except one of them centripetal chuck (No. ten centripetal chuck), remaining centripetal chuck is provided with space accumulator draw-in groove 13, No. ten chuck is provided with testing apparatus fixed sturcture.Ad hoc structure chuck 9 being provided with energy fixed standard equipment and space accumulator is fixed at described center.It is circumferentially same that several centripetal chucks described are distributed in described rotating disk 14, and axis and the described same circumference of described chuck trip shaft 12 are tangent.When calibrating on ground, accumulator draw-in groove 13 internal fixtion space to be calibrated, described centripetal chuck space accumulator, chuck 9 fixed standard equipment is fixed at described center, and described space to be calibrated accumulator is connected with wire with between standard device.Drive unit drives rotating disk 14 to rotate with a fixed angular speed by described turntable shaft 16, space to be calibrated accumulator is made to obtain certain centripetal acceleration, be combined to by this certain centripetal acceleration and acceleration of gravity and obtain another acceleration condition, this another acceleration condition changes with the change of angular velocity.Punctual the spacecraft colonel orbited the earth, described center is fixed on chuck 9 and is fixed space to be calibrated accumulator, and fixed standard equipment on described No. 10 centripetal chuck, described space to be calibrated accumulator is connected with wire with between standard device.Drive unit drives rotating disk 14 to rotate with a fixed angular speed by described turntable shaft 16, makes described standard device obtain the centripetal acceleration with acceleration of gravity equivalence, thus realizes the calibration to electrical characteristics under the accumulator below-G conditions of space.Described turntable shaft 16 connects motor 18 by gearing 17.Described motor 18 connects motor control assembly 19.Nine centripetal chucks are distributed with in described rotating disk 14, the card of first centripetal chuck 1 is parallel with described disc surfaces, the card of second centripetal chuck 2 is towards described center of turntable 90-degree rotation, the card of the 3rd centripetal chuck 3 revolves turnback towards described center of turntable, the card of the 4th centripetal chuck 4 rotates 270 degree towards described center of turntable, and the both positive and negative polarity line in the space accumulator draw-in groove 13 on first to the 4th centripetal chuck is all perpendicular to respective chuck trip shaft 12; The card of the 5th centripetal chuck 5 is parallel with described disc surfaces, the card of the 6th centripetal chuck 6 is towards described center of turntable 90-degree rotation, the card of the 7th centripetal chuck 7 revolves turnback towards described center of turntable, the card of the 8th centripetal chuck 8 rotates 270 degree towards described center of turntable, the card that both positive and negative polarity line in space accumulator draw-in groove 13 on the 5th to the 8th centripetal chuck is all parallel to respective chuck trip shaft the 12, No. ten centripetal chuck is parallel with described plane of rotor disc.
Apparatus of the present invention be placed in earth plane, when rotating disk is parallel to the ground and when rotating with the angular velocity of w, as shown in Figure 3, stress balance in vertical direction, respectively by gravity and holding power 1 for the stressing conditions of the space accumulator in draw-in groove.Horizontal direction is subject to centripetal force, and the size of centripetal force is F
2=mw
2(assuming that the quality being placed on the space accumulator in disk edge draw-in groove is m, the distance of accumulator centre distance center of turntable is L to L, and the angular velocity of dial rotation is w), sensing axle center, direction and center of turntable.Wherein the holding power of making a concerted effort of centripetal force and holding power is under the adjacent material internal action power of removing, because of the power that External Force Acting interaction again produces.Under the effect of gravity and centripetal force, internal storage battery adjacent each material in space produces extruding mutually, and the relative change that position may occur had, finally may cause the change of space battery outer electrical property.Around the carry-on space accumulator that the earth moves in a circle, be in complete agravity state, except intrinsic interaction force (very little universal gravitation between the various material of internal storage battery, molecular force etc.) outward, not because the acting force (mainly referring to the universal gravitation etc. of the earth) that outside is large makes to produce between inner adjacent material to interact, the state of this complete agravity is difficult to simulation on earth.This device is placed on space station work, to be calibrated space accumulator and be fixed on the centre of rotating disk, described aligned spaces accumulator is in state of weightlessness, and standard device is fixed on disk edge, by controlling to keep certain rotating speed, the centripetal acceleration of edge is made to be 1g.Standard device is in the acceleration environment of standard, realizes the calibration to electrical characteristics under the accumulator below-G conditions of space.
When apparatus of the present invention are placed on earth surface, be placed on the stressing conditions of the accumulator of disk edge, go to see with the visual angle of Fig. 2, the accumulator placed for leftward position, as shown in Figure 3 stressed.The earth's core is pointed to by the center of gravity of accumulator in the direction of gravity, and center of turntable rotating shaft is pointed to by the center of gravity of accumulator in the direction of centripetal force, and parallel with plane of rotor disc.The direction of holding power 1 equal and opposite in direction contrary to the direction of gravity, holding power is making a concerted effort of centripetal force and holding power 1.On disk edge, the stressing conditions of other accumulators is equal to described in Fig. 3.Apparatus of the present invention are utilized to study as follows: research contents one, to be the change of accumulator with the change electrical characteristics of centripetal force size.Research contents two, as shown in Figure 3, suffered holding power relative to the change in the direction of battery own, the change of storage battery characteristic.Holding power suffered by accumulator is relative to the change of the relative position of battery structure itself, and Fig. 4 is the stress schematic diagram of space accumulator in number one chuck.Fig. 5 is the stress schematic diagram of space accumulator in No. second chuck.Fig. 6 is the stress schematic diagram of space accumulator in No. three chuck.Fig. 7 is the stress schematic diagram of space accumulator in No. four chuck.Shown in Fig. 4,5,6,7, be respectively No. 1, No. 2, No. 3, No. 4 accumulators, along Fig. 1 separately the turning axle direction of arrow see, institute's stressing conditions."+" "-" represents positive ends and the negative polarity end of accumulator.The diverse location state of eight space accumulators once can be set, 8 space accumulator correspondences are loaded in 8 centripetal chucks.No. 5th, space accumulator, No. 6, No. 7, No. 8 stressing conditions analysis classes seemingly.
In Fig. 3, the size of holding power is that internal storage battery material produces interactional external factor, and the size of holding power represents with symbol F, the quality of material represents with symbol m, the rotating speed of rotating disk is w, and the distance of accumulator distance of centre of gravity center of turntable is L, and the size of centripetal force is F
2=mw
2l, the size of holding power 1 is F
1=mg
Then the size of holding power F is
Definition:
G
0for the size of unit quality material suffered applied external force under identical stressing conditions.Due to the difference of the size and Orientation of this power, the outside electrical characteristics of space accumulator may change.
Herein means bright, more than describe and contribute to those skilled in the art and understand the invention, but and the protection domain of unrestricted the invention.Any enforcement improving the equivalent replacement described above, modification and/or delete numerous conforming to the principle of simplicity and carry out not departing from the invention flesh and blood, all falls into the protection domain of the invention.
Claims (7)
1. the device of aligned spaces accumulator electrical characteristics under different acceleration condition, it is characterized in that, comprise rotating disk, the center of described rotating disk connects turntable shaft, the centre of described rotating disk is provided with center and fixes chuck, several centripetal chucks are distributed with between the edge of described rotating disk and the center of described rotating disk, the plane of one of them centripetal chuck is parallel with the plane of described rotating disk and be fixed on plane of rotor disc, remaining centripetal chuck is connected with described rotating disk by chuck trip shaft, testing apparatus fixed sturcture is provided with on the centripetal chuck be fixed on plane of rotor disc, remaining centripetal chuck is provided with space accumulator draw-in groove, fixed sturcture chuck being provided with energy fixing test equipment and space accumulator is fixed at described center.
2. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, it is characterized in that, it is circumferentially same that several centripetal chucks described are distributed in described rotating disk, and axis and the described same circumference of described chuck trip shaft are tangent.
3. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, it is characterized in that, when calibrating on ground, accumulator draw-in groove internal fixtion space to be calibrated, described centripetal chuck space accumulator, the fixed sturcture connecting test equipment that chuck passes through energy fixing test equipment and space accumulator is fixed at described center, described space to be calibrated accumulator connects described testing apparatus by wire, described testing apparatus comprises normed space accumulator, drive unit drives rotating disk to rotate with a fixed angular speed by described turntable shaft, space to be calibrated accumulator is made to obtain certain centripetal acceleration, be combined to by this certain centripetal acceleration and acceleration of gravity and obtain another acceleration condition, this another acceleration condition changes with the change of angular velocity.
4. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, it is characterized in that, punctual the spacecraft colonel orbited the earth, described center is fixed on chuck and is fixed space to be calibrated accumulator, on described plane of rotor disc, fixed standard equipment on corresponding centripetal chuck, connects with wire between described space to be calibrated accumulator and standard device.Drive unit drives rotating disk to rotate with a fixed angular speed by described turntable shaft, makes described testing apparatus obtain the centripetal acceleration with acceleration of gravity equivalence, thus realizes the calibration to electrical characteristics under the accumulator below-G conditions of space.
5. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, it is characterized in that, described turntable shaft connects motor by gearing.
6. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, is characterized in that, described motor connects motor control assembly.
7. the device of aligned spaces accumulator according to claim 1 electrical characteristics under different acceleration condition, it is characterized in that, nine centripetal chucks are distributed with in described rotating disk, the card of first centripetal chuck is parallel with described disc surfaces, the card of second centripetal chuck is towards described center of turntable 90-degree rotation, the card of the 3rd centripetal chuck revolves turnback towards described center of turntable, the card of the 4th centripetal chuck rotates 270 degree towards described center of turntable, both positive and negative polarity line in space accumulator draw-in groove on first to the 4th centripetal chuck is all perpendicular to respective chuck trip shaft, the card of the 5th centripetal chuck is parallel with described disc surfaces, the card of the 6th centripetal chuck is towards described center of turntable 90-degree rotation, the card of the 7th centripetal chuck revolves turnback towards described center of turntable, the card of the 8th centripetal chuck rotates 270 degree towards described center of turntable, both positive and negative polarity line in space accumulator draw-in groove on the 5th to the 8th centripetal chuck is all parallel to respective chuck trip shaft, and the plane of the 10th centripetal chuck is parallel with described plane of rotor disc and be fixed on plane of rotor disc.
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| CN109782174A (en) * | 2018-10-17 | 2019-05-21 | 深圳渝鹏新能源汽车检测研究有限公司 | A kind of roll-over test equipment and axial switching method |
| CN112415406A (en) * | 2020-11-05 | 2021-02-26 | 宁波工程学院 | New energy automobile battery centrifugation accelerated discharge tester |
| CN112505556A (en) * | 2020-11-05 | 2021-03-16 | 宁波工程学院 | New energy automobile battery forward and reverse variable acceleration capacity test machine |
| CN112526364A (en) * | 2020-11-06 | 2021-03-19 | 宁波工程学院 | Horizontal detection device of new energy automobile battery under different accelerations |
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