CN103552450B - A kind of power brick latch system of electric automobile - Google Patents
A kind of power brick latch system of electric automobile Download PDFInfo
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- CN103552450B CN103552450B CN201310337112.1A CN201310337112A CN103552450B CN 103552450 B CN103552450 B CN 103552450B CN 201310337112 A CN201310337112 A CN 201310337112A CN 103552450 B CN103552450 B CN 103552450B
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- power brick
- longeron
- lock pin
- blind hole
- latch system
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Abstract
The application discloses a kind of power brick latch system of electric automobile, be arranged on automobile longitudinal girder, automobile longitudinal girder comprises the first longeron and the second longeron, and be provided with distance between the first longeron and the second longeron, comprise power brick, lock pin, wherein: power brick is connected between the first longeron and the second longeron; The surface that power brick contacts with longeron is provided with blind hole; The surface that the first longeron, the second longeron contact with power brick is provided with via hole; Lock pin is separately positioned on the first longeron, the second longeron, for by via hole and insert blind hole. Can find out from above-mentioned technical scheme, in the time that power brick is positioned at predetermined lock position, lock pin passes via hole and inserts blind hole, realize the locking of power brick is fixed with this, no longer need external force to promote power brick drivening rod-cam mechanism and realize locking, when being carried out to locking, power brick there is no impulsive force, also just can not cause wearing and tearing to latch system, can avoid the potential safety hazard causing because of the wearing and tearing of lockable mechanism.
Description
Technical field
The application relates to technical field of traffic transportation, more particularly, relates to a kind of battery of electric automobileBag latch system.
Background technology
Along with the encouragement of country to new forms of energy application, pure electric automobile enters practical application just more and more,But limited by battery capacity, course continuation mileage is generally shorter, now solution to this problem is by soonSpeed is changed electrokinetic cell bag, extends course continuation mileage with this, and this pattern is many by the pure electric public transport system in cityAdopt with pure electric taxi system.
General connecting rod-the cam mechanism that uses is by power brick and car body locking, in installation or removal power brick at presentTime need to utilize external force promote or drag power brick drivening rod-cam mechanism and realize locking or release, impactPower is larger, and wearing and tearing are very fast, are major hidden dangers can not be ignored to traffic safety.
Summary of the invention
In view of this, the application provides a kind of power brick latch system of electric automobile, to avoid batteryWhen bag carries out locking, lockable mechanism is produced to larger wearing and tearing, thereby avoid traffic safety to cause a hidden trouble.
To achieve these goals, the existing scheme proposing is as follows:
A power brick latch system for electric automobile, is arranged on automobile longitudinal girder, described automobile longitudinal girder bagDraw together the first longeron and the second longeron, and be provided with distance between described the first longeron and described the second longeron,Comprise power brick, lock pin, wherein:
Described power brick is connected between described the first longeron and described the second longeron;
Described power brick is provided with blind hole with the surface that described longeron contacts;
Described the first longeron, described the second longeron are provided with via hole with the surface that described power brick contacts;
Described lock pin is separately positioned on described the first longeron, described the second longeron, described in passing throughVia hole also inserts described blind hole.
Preferably, also comprise pull-push piece;
Described pull-push piece is connected with described lock pin, for promoting described lock pin through described via hole alsoInsert described blind hole, or for described lock pin is extracted out completely in described blind hole.
Preferably, described pull-push piece is electric pushrod.
Preferably, also comprise position sensor, processor and wireless communication apparatus, wherein:
Described position sensor is connected with described processor, for monitoring the position of described power brick;
Described processor is connected with described electric pushrod, and for receiving, described position sensor detectsThe positional information of power brick, in the time that described power brick is positioned at lock position, controls described electric pushrod and promotesDescribed lock pin is through described via hole insert described blind hole, also for according to electricity described in unlock command controlMoving push rod is extracted described lock pin out described blind hole completely;
Described wireless communication apparatus is connected with described processor, for receive described solution by wireless modeLock order or transmission are ceased and desisted order.
Preferably, described position sensor is three, be respectively used to monitor described power brick relatively with described inVertical, the front and back of lock position and left and right distance.
Preferably, described position sensor comprises LC oscillating circuit, amplitude detecting circuit and output circuit,Wherein:
Described LC oscillating circuit is connected with described amplitude detecting circuit, for generation of high frequency magnetic field;
Described amplitude detecting circuit is connected with described output circuit, for detection of described LC oscillating circuitAmplitude output amplitude signal;
Described output circuit is connected with described processor, for receiving described amplitude signal and outputing to instituteState processor.
Preferably, electric pushrod comprises motor and screw mandrel, wherein:
Described motor is connected with described processor, rotates for the control according to described processor;
On described electric pushrod, be also provided with turbine and worm screw, for rotatablely moving of described motor turnedBe changed to the axially-movable of screw mandrel.
Preferably, described power brick also comprises two side bars;
Described side bar is separately positioned on the left and right sides of described power brick;
Described blind hole is arranged on described side bar.
Preferably, be provided with on the side away from described power brick at described side bar multiple for by described electricityBetween Chi Bao and described longeron, be provided with the back-up block of isolation distance.
Can find out the power brick latch system of the disclosed electric automobile of the application from above-mentioned technical schemeComprise power brick and lock pin, on longeron, be provided with via hole, in power brick, be provided with blind hole, work as electricity, lock pin is through via hole and insert blind hole, with this when the predetermined lock position of Chi Bao between longeron theRealize the locking of power brick is fixed, no longer need external force to promote power brick drivening rod-cam mechanism and realizeLocking, does not have impulsive force when power brick is carried out to locking, just can not cause wearing and tearing to latch system yet, canWith the potential safety hazard of avoiding causing because of the wearing and tearing of lockable mechanism.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only some embodiment of the application, for those of ordinary skill in the art,Do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structure chart of the disclosed a kind of power brick latch system of embodiment mono-;
Fig. 2 is the exploded view of the disclosed power brick latch system of embodiment mono-;
Fig. 3 is the structure chart of embodiment mono-disclosed position sensor;
Fig. 4 be the disclosed a kind of power brick latch system of embodiment bis-electric pushrod and the knot of connecting rodComposition.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried outDescribe clearly and completely, obviously, described embodiment is only some embodiments of the present application, andNot whole embodiment. Based on the embodiment in the application, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
Fig. 1 is the structure chart of the disclosed a kind of power brick latch system of embodiment mono-.
Power brick latch system as shown in Figure 1 comprises longeron 20, power brick 10 and electric pushrod 30,Wherein: power brick 10 is between longeron 20.
On longeron 20, be provided with multiple horizontal via hole (not shown), in power brick 10, be provided withMultiple horizontal blind hole (not shown), the opening of multiple horizontal via holes and multiple horizontal blind holes is corresponding one by one.Electric pushrod 30 connects a cross bar 31, is connected with multiple lock pin (not shown) on cross bar 31, manyThe position of individual lock pin is corresponding one by one with the position of multiple via holes. When power brick 10 is between longeron 20Predetermined lock position time, lock pin under the drive of electric pushrod 30 through via hole and insert blind hole,Power brick 10 lockings are fixed. In the time that needs unlock power brick 10, electric pushrod 30 is by horizontalBar 31 pulls lock pin, and the blind hole by lock pin power brick is extracted out completely, and release is complete, at this moment canSo that power brick 10 is removed. For the structure of the detailed power brick latch system to the present embodiment describes,The exploded view of the power brick latch system of the present embodiment is provided below.
Fig. 2 is the exploded view of the disclosed power brick latch system of embodiment mono-.
Power brick latch system as shown in Figure 2, comprise power brick 10, longeron 20, electric pushrod 30,Lock pin 311, cross bar 31, terminal box 50, position sensor 40 and processor (not shown), wherein:
On longeron 20, be provided with multiple horizontal via holes 21.
The both sides of power brick 10 are respectively provided with a side bar 11, and side bar 11 is fixed on the both sides of power brick 10,On side bar 11, be provided with multiple horizontal blind holes 111, the via hole on the opening of blind hole 111 and longeron 2021 is corresponding one by one.
Lock pin 311 is a cylindrical metal object, its external diameter be less than via hole 21 on longeron 20 inMirror, be also less than the internal diameter of the blind hole 111 on side bar 11, when by lock pin 311 through on longeron 20Via hole 21 also inserts after the blind hole 111 on side bar 11, and lock pin 311 can be held power brick 10 alsoThe position of power brick 10 is fixed.
Electric pushrod 30 is connected with cross bar 31, and cross bar 31 is connected with one end of multiple lock pins 311,Multiple lock pins 311 can insert limit through the via hole 21 on longeron 20 under the promotion of electric pushrod 30In blind hole 111 on beam 11, realize the locking to power brick 10; When needs are removed lock to power brick 10Only time, electric pushrod 30 completes lock pin 311 by cross bar 31 in the blind hole 111 from side bar 11Extract out, remove locking, at this moment power brick 10 can be shifted out in automobile.
The effect of position sensor 40 is positions of monitoring power brick 10, the locking system that the present embodiment providesSystem be provided with three position sensors 40, be separately positioned on terminal box 50 side relative with power brick 10,The top of the inner side of longeron 20 and power brick 10, is respectively used to monitor power brick 10 with respect to default lockThat stop bit is put is upper and lower, the position of left and right and front and back.
Processor (not shown) is connected with position sensor 40, defeated for receiving position sensor 40The position signalling going out, in the time that position sensor 40 monitors power brick 10 in default lock position,Processor output control signal, controls electric pushrod 30 and promotes lock pin 311 through 20 mistake on longeronThe blind hole 111 on side bar 11 is also inserted in hole 21.
In the present embodiment, the signal output part of three position sensors 40 is to be first connected in series, then inputIn reason device, so just ensure that power brick all accords with respect to the position, top to bottom, left and right, front and rear of lock positionClose requirement.
Processor is also connected with an external command receiving system (not shown), external command receiving systemThe unlock command that receives outside input by wireless mode, according to this unlock command, processor control is electronicPush rod 30 is the interior extraction completely of the blind hole 111 from side bar 11 by lock pin 311, and power brick 10 is removedLocking.
Electric pushrod 30 comprises motor and screw mandrel, and motor is subject to processing device control forward or reversing, electricityIn moving push rod 30, also comprise turbine and worm screw, turbine and worm screw mating reaction are converted to the rotation of motorThe axially-movable of screw mandrel.
On each side bar 11 of power brick 10, be also provided with multiple limited blocks 112, the material of limited block 112Matter is hard non-metallic material, as polyethylene or polypropylene material, by screw or other mechanisms and limitBeam 11 is connected. Use is to avoid power brick and longeron direct collision.
The cross section of the upper end of limited block 112 is less than the cross section of its lower end, becomes a kind of ramp structure, works as batteryBag 10 plays the effect of guiding while entering between longeron 20 from below.
One end in terminal box 50 is provided with multiple contacts, when power brick 10 is during in lock position, and electricityThe binding post (not shown) that wrap in pond contacts with the contact in terminal box, the dynamical system of automobile and controlSystem processed is connected with power brick 10 by binding post/contact, for delivery of electric power and/or transfer control letterNumber. Binding post is provided with elastic device, make when power brick 10 during in lock position binding post in pressingContracting state, has ensured that binding post and contact still keep good contact in the time that electric automobile rocks or jolt.
Around binding post in power brick 10, be provided with sealing ring (not shown), when power brick 10 placesIn the time of lock position, in the binding post of sealing ring insertion terminal box 10 groove around, it is right to playThe protective effects such as dustproof, the waterproof of the junction of binding post and contact.
Fig. 3 is the structure chart of embodiment mono-disclosed position sensor.
Position sensor as shown in Figure 3 comprises LC oscillating circuit 41, amplitude detecting circuit 42 and outputCircuit 43, wherein: LC oscillating circuit 41 is connected with amplitude detecting circuit 42, amplitude detecting circuit42 are connected with output circuit 43.
LC oscillating circuit 41 comprises inductance coil and the electric capacity of series connection, and inductance coil produces a high frequency magnetic, in the time that object 44 is in this high frequency magnetic field, can produce induced-current, along with object and positionPut further approaching of sensor, induced electricity fails to be convened for lack of a quorum and further strengthens, and then causes LC oscillating circuit 41Load strengthen, cause concussion to weaken until stop, just can by the amplitude of monitoring LC oscillating circuit 41To obtain the positional information of object 44 with respect to position sensor.
Amplitude detecting circuit 42 is for monitoring the amplitude of LC oscillating circuit 41, and by output circuit 43Amplitude signal is outputed to processor (not shown).
In the time that power brick 10 is dismantled, first a lift mechanism (not shown) stretches into electric automobileBelow, power brick 10 is held, then send unlock command by wireless mode to processor, processDevice control electric pushrod 30 drives lock pin 311, and the blind hole 311 by lock pin 311 from side bar 31 is completeFull extraction out, completes release, and then the first transverse movement of lift mechanism makes binding post and the battery in power brick 10The contact of box 50 disengages, and then moves downward, and completes the dismounting to power brick 10;
In the time that power brick 10 is installed, lift mechanism prime minister is by power brick 10 close locking lentamentePosition, in the time that position sensor 40 monitors power brick 10 in lock position, processor is by wirelessCommunication device sends a urgency to lift mechanism and stops order, because the action of lift mechanism is slower, because ofThis lift mechanism can stop at lock position by power brick 10 exactly, pushes away with preprocessor control is electronicBar 30 moves, and electric pushrod 30 promotes lock pin 311 through the via hole on longeron 20 and inserts side bar 11On blind hole 111, realize locking and fix, lift mechanism reduces and leaves electric automobile subsequently, completes batteryThe installation of bag 10.
Can find out from above-mentioned technical scheme, when the predetermined lock of power brick 10 between longeron 20When stop bit is put, lock pin 311 is horizontally through the via hole 21 on longeron 20 and inserts on side bar 11 blind hole111, realize the locking of power brick 10 is fixed with this, no longer need external force to promote power brick 10 companies of driveBar-cam mechanism is realized locking, there is no impulsive force in the time that power brick 10 is carried out to locking, also just can be to lockLocking system causes wearing and tearing, can avoid preferably the potential safety hazard causing because of the wearing and tearing of lockable mechanism.
Embodiment bis-
Fig. 4 be the disclosed a kind of power brick latch system of embodiment bis-electric pushrod and the knot of connecting rodComposition.
In the power brick latch system providing at embodiment mono-, comprise two electric pushrods, respectively with forThe lock pin of blind hole that inserts the power brick left and right sides is connected, but at electric pushrod sometimes because techniqueDifference or one-sided electric pushrod fault and can not moving harmoniously, may cause and be positioned at batteryWrap in the blind hole of a side and inserted lock pin, and the blind hole that is positioned at the opposite side of power brick is not inserted lockShotpin, thus locking failure caused, and in order to address this problem, the present embodiment is by two in embodiment mono-Individual electric pushrod is reduced to one, refers to as shown in Figure 4.
Electric pushrod 30 is connected with one end of a lever 32 that can horizontally rotate around central point 321,And be connected with the cross bar 34 that is positioned at longeron one side by a connecting rod 33, the other end of lever 32. simultaneouslyBe connected with the cross bar 31 of the opposite side that is positioned at longeron.
When horizontal stroke can be realized in one end of promotion or pull lever 32 under the control of electric pushrod 30 at processorBar 31 and cross bar 34 carry out in opposite directions or reverse motions. When cross bar 31 and cross bar 34 are at the work of electric pushrodDuring by lower move toward one another, will drive lock pin (not shown) respectively through the via hole on longeron insertionBlind hole on side bar, realizes the locking to power brick; When cross bar 31 and cross bar 34 are at electric pushrod 30When the lower reverse motions of effect, will drive lock pin to extract out completely from the blind hole of power brick, realize electricityThe release of Chi Bao.
The present embodiment is by the acting in conjunction of electric pushrod 30, lever 32 and connecting rod 33, electronic with onePush rod 30 has been realized the lock pin that is positioned at longeron both sides has been inserted or extracted out action, has improved on the one handThe reliability of system, has also reduced cost of manufacture on the other hand.
Finally, also it should be noted that, in this article, the relational terms such as the first and second gradesOnly be used for an entity or operation and another entity or operating space to separate, and not necessarily requirementOr imply the relation or the order that between these entities or operation, there are any this reality. And, artLanguage " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, therebyThe process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, andAlso comprise other key elements of clearly not listing, or be also included as this process, method, article orThe key element that person's equipment is intrinsic. In the situation that there is no more restrictions, by statement " comprising ... "The key element limiting, and be not precluded within process, method, article or the equipment that comprises described key element and also depositAt other identical element.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stressesBe and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe application. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the case of not departing from the application's spirit or scope,Realize in other embodiments. Therefore, the application will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a power brick latch system for electric automobile, is arranged on automobile longitudinal girder, described automobile longitudinal girderComprise the first longeron and the second longeron, and be provided with distance between described the first longeron and described the second longeronFrom, it is characterized in that, comprise power brick, lock pin, wherein:
Described power brick is connected between described the first longeron and described the second longeron;
Described power brick is provided with blind hole with the surface that described longeron contacts;
Described the first longeron, described the second longeron are provided with via hole with the surface that described power brick contacts;
Described lock pin is separately positioned on described the first longeron, described the second longeron, described in passing throughVia hole also inserts described blind hole;
Also comprise pull-push piece;
Described pull-push piece is connected with described lock pin, for promoting described lock pin through described via hole alsoInsert described blind hole, or for described lock pin is extracted out completely in described blind hole;
Described pull-push piece is electric pushrod;
Also comprise position sensor, processor and wireless communication apparatus, wherein:
Described position sensor is connected with described processor, for monitoring the position of described power brick;
Described processor is connected with described electric pushrod, and for receiving, described position sensor detectsThe positional information of power brick, in the time that described power brick is positioned at lock position, controls described electric pushrod and promotesDescribed lock pin is through described via hole insert described blind hole, also for according to electricity described in unlock command controlMoving push rod is extracted described lock pin out described blind hole completely;
Described wireless communication apparatus is connected with described processor, for receive described solution by wireless modeLock order or transmission are ceased and desisted order.
2. power brick latch system as claimed in claim 1, is characterized in that, described position sensorBe three, be respectively used to monitor described power brick relatively with vertical, front and back and the left and right of described lock positionDistance.
3. power brick latch system as claimed in claim 2, is characterized in that, described position sensorComprise LC oscillating circuit, amplitude detecting circuit and output circuit, wherein:
Described LC oscillating circuit is connected with described amplitude detecting circuit, for generation of high frequency magnetic field;
Described amplitude detecting circuit is connected with described output circuit, for detection of described LC oscillating circuitAmplitude output amplitude signal;
Described output circuit is connected with described processor, for receiving described amplitude signal and outputing to instituteState processor.
4. the power brick latch system as described in claim 1,2 or 3, is characterized in that electronic pushing awayBar comprises motor and screw mandrel, wherein:
Described motor is connected with described processor, rotates for the control according to described processor;
On described electric pushrod, be also provided with turbine and worm screw, for rotatablely moving of described motor turnedBe changed to the axially-movable of screw mandrel.
5. the power brick latch system as described in claim 1,2 or 3, is characterized in that described electricityChi Bao also comprises two side bars;
Described side bar is separately positioned on the left and right sides of described power brick;
Described blind hole is arranged on described side bar.
6. power brick latch system as claimed in claim 5, is characterized in that, described side bar away fromOn the side of described power brick, be provided with multiple for by between described power brick and described longeron, be provided with everySeparation from back-up block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337112.1A CN103552450B (en) | 2013-08-05 | 2013-08-05 | A kind of power brick latch system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310337112.1A CN103552450B (en) | 2013-08-05 | 2013-08-05 | A kind of power brick latch system of electric automobile |
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| Publication Number | Publication Date |
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| CN103552450A CN103552450A (en) | 2014-02-05 |
| CN103552450B true CN103552450B (en) | 2016-05-18 |
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| CN201310337112.1A Active CN103552450B (en) | 2013-08-05 | 2013-08-05 | A kind of power brick latch system of electric automobile |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140863A (en) * | 2015-08-20 | 2020-12-29 | 北京新能源汽车股份有限公司 | Unlocking method of locking mechanism of battery pack quick-change device and battery pack quick-change device |
| CN105150820B (en) * | 2015-10-19 | 2018-05-08 | 北京新能源汽车股份有限公司 | Battery pack quick-change control system of electric automobile |
| CN105437945A (en) * | 2015-11-17 | 2016-03-30 | 简式国际汽车设计（北京）有限公司 | Locking mechanism of rechargeable battery box for electric passenger vehicle |
| CN108790759B (en) * | 2018-05-08 | 2021-02-09 | 安徽上造智能设备科技有限公司 | Battery locking device for new energy automobile |
| CN109591534B (en) * | 2018-12-18 | 2021-06-11 | 中国人民解放军国防科技大学 | Wheel base adjusting device for vehicle |
| CN111391703B (en) * | 2018-12-30 | 2021-08-13 | 浙江吉智新能源汽车科技有限公司 | Battery locking assembly and vehicle |
| CN112824122A (en) * | 2019-11-18 | 2021-05-21 | 北京新能源汽车股份有限公司 | Locking mechanism and electric automobile |
| CN113400916B (en) * | 2021-05-25 | 2022-06-28 | 东风柳州汽车有限公司 | Battery package installation component, vehicle body structure and vehicle |
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Address after: 400700 Chongqing city Beibei District caijiagang Zhen Tong Xing Industrial Park Fengqi Road No. 16 Applicant after: Lifan Industry (Group) Co., Ltd. Address before: 400037 Chongqing city Shapingba District No. 60 Zhangjiawan Bridge Applicant before: Lifan Industry (Group) Co., Ltd. |
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