CN114374060B - Be applied to plant protection unmanned aerial vehicle's group battery - Google Patents
Be applied to plant protection unmanned aerial vehicle's group battery Download PDFInfo
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- CN114374060B CN114374060B CN202210282308.4A CN202210282308A CN114374060B CN 114374060 B CN114374060 B CN 114374060B CN 202210282308 A CN202210282308 A CN 202210282308A CN 114374060 B CN114374060 B CN 114374060B
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- wall
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- bottom plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a battery pack applied to a plant protection unmanned aerial vehicle. The battery pack comprises battery units and a support sleeve at the bottom of the battery units, wherein a positive electrode patch and a negative electrode patch are arranged at the bottom of the battery units in the support sleeve; the battery pack further comprises a bottom plate, wherein the top of thebottom plate is fixedly connected with a mounting sleeve, the support sleeve is slidably sleeved on the outer wall of the mounting sleeve, a positive electrode terminal is slidably connected with thetop of the bottom plate right below the positive electrode patch, the inner wall of the mounting sleeve is rotatably connected with a first terminal seat, and a negative electrode terminal is arranged at the end part of the first terminal seat; the battery pack further comprises a second wire communicated with the negative electrode terminal, and a relay terminal is arranged at one end of the first wire. According to the invention, a corresponding number of battery units can be connected into a series circuit according to requirements, and meanwhile, the battery units can be moved out of the series circuit after the battery units fail, and meanwhile, the disconnected parts are re-connected, so that the series circuit can continue to work normally, and the unmanned aerial vehicle is prevented from falling off due to power failure.
Description
Technical Field
The invention relates to the technical field of battery packs of plant protection unmanned aerial vehicles, in particular to a battery pack applied to a plant protection unmanned aerial vehicle.
Background
Along with unmanned aerial vehicle's rapid development, unmanned aerial vehicle has long been applied to agricultural plant protection field for the seed, fertilize and apply powder etc. aspect, through installing irrigation equipment and spraying equipment etc. on unmanned aerial vehicle, carry out the plant protection operation to the agriculture and forestry through unmanned aerial vehicle's cruising.
Present unmanned aerial vehicle group battery generally all is through commercial power supply and savings electric energy, wherein, in order to improve voltage, generally form the group battery through a plurality of battery series connection, for energy saving, plant protection unmanned aerial vehicle all is equipped with the group battery through calculating the mileage using, but the benefit dress of current group battery is inconvenient, when leading to accomplishing the operation, the group battery still has too much electric quantity, the electric quantity remains too much and leads to the battery counter weight increase promptly, unmanned aerial vehicle availability factor is low, for solving this problem, should install battery quantity according to the demand, thereby make the counter weight, continuation of the journey and electric quantity reach the balance.
Disclosure of Invention
The invention aims to provide a battery pack applied to a plant protection unmanned aerial vehicle, which has the advantages that a corresponding number of battery units can be connected into a series circuit according to requirements, the battery units can be moved out of the series circuit after the battery units break down, meanwhile, the disconnected parts are communicated again, the series circuit can continue to work normally, the unmanned aerial vehicle is prevented from falling off when the unmanned aerial vehicle is powered off, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a battery pack applied to a plant protection unmanned aerial vehicle comprises a battery unit and a support sleeve at the bottom of the battery unit, wherein the bottom of the battery unit is provided with an anode patch and a cathode patch inside the support sleeve, the support sleeve is fixedly connected with the top of the bottom plate, the support sleeve is slidably sleeved on the outer wall of the support sleeve, the top of the bottom plate is positioned under the anode patch and is vertically and slidably connected with an anode terminal, the inner wall of the support sleeve is rotatably connected with a first terminal seat, the end part of the first terminal seat is provided with a cathode terminal, the battery pack further comprises a second lead communicated with the cathode terminal, one end of the first lead is provided with a relay terminal, the first lead is further connected with the anode terminal, the cathode terminal is communicated with the relay terminal when the first terminal seat is in a horizontal state, and the first terminal seat can be separated from the first lead when rotating to a vertical state, and the negative terminal can be in contact communication with the bottom of the negative patch.
Preferably, the outer wall of the mounting sleeve is provided with two symmetrically arranged pin shaft grooves in a penetrating way, the inner parts of the pin shaft grooves are all rotationally connected with a transmission plate through pin shafts, the mounting sleeve also comprises a vertical groove arranged on the top of the bottom plate, the inner wall of the vertical groove is connected with a first supporting shaft in a sliding way, the top of the first supporting shaft is fixedly connected with a second terminal seat, the second terminal seat is of an I-shaped structure, the part of the transmission plate, which penetrates out of the outer wall of the mounting sleeve, is a short lever part, the part of the transmission plate close to the inside of the mounting sleeve is a long lever part which is inserted into the middle part of the I-shaped part of the second terminal seat, the positive terminal is arranged at the top of the second terminal seat, the outer wall of the first supporting shaft is sleeved with a supporting spring, the two ends of the supporting spring are respectively and fixedly connected with the bottom of the second terminal seat and the top of the bottom plate, and the battery pack further comprises a mechanism which can bounce upwards when the battery pack is in failure.
Preferably, the top of bottom plate is provided with gliding second back shaft from top to bottom, the top fixedly connected with rack of second back shaft, the inner wall rotation of installation cover is connected with the pivot, the outer wall fixed mounting of pivot has the gear of being connected with rack toothing, first terminal seat is installed on the outer wall of gear, is located between rack and the bottom plate the outer wall cover of second back shaft is equipped with instantaneous spring, still includes the transmission subassembly that drives rack downward displacement.
Preferably, the transmission assembly comprises a transmission strip fixedly connected to the outer wall of the rack, a sliding groove is formed in the outer wall of the mounting sleeve, the transmission strip is connected to the outer wall of the sliding groove in a sliding mode, a transmission groove is formed in the outer wall of the support sleeve, and the transmission groove and the part, penetrating out of the sliding groove, of the transmission strip can be clamped when the support sleeve slides downwards to drive the transmission strip to move downwards.
Preferably, the relay terminal includes a female terminal installed between the second terminal block and the first terminal block, the female terminal is fixedly installed on the top of the base plate, when the first terminal block maintains a parallel state, the negative terminal is inserted into the female terminal and communicates with the female terminal, the first and second wires are hidden and installed inside the base plate and the second terminal block, and the displacement of the second terminal block does not interfere with the use state of the first and second wires.
Preferably, the top of the bottom plate is fixedly connected with two installation bases, the two installation bases are symmetrically arranged along the installation sleeve, the installation grooves are formed in opposite surfaces of the installation bases, an electric telescopic rod which is output towards the installation sleeve is fixedly installed inside the installation grooves, a limiting pin is connected to the inner wall of the installation groove in a sliding mode, the output end of the electric telescopic rod is fixedly connected with the outer wall of the limiting pin, a second pin hole and a first pin hole are formed in the outer wall of the support sleeve and the outer wall of the installation sleeve respectively, when the battery unit and the support sleeve are installed on the outer wall of the installation sleeve, the first pin hole is communicated with the second pin hole, the limiting pin can enter the inside of the second pin hole and the inside of the first pin hole in sequence, and locking and installation of the battery unit are completed.
Preferably, the T-slot has been seted up at the top of bottom plate, the inner wall in T-slot rotates and is connected with the rotation axis, the outer wall fixedly connected with clamp plate of rotation axis, can accomodate the inside in the T-slot when the clamp plate rotates downwards, the outer wall cover of rotation axis is equipped with the torsional spring, the both ends of torsional spring respectively with the outer wall of clamp plate and the inner wall fixed connection in T-slot.
Preferably, the electric control device further comprises an electric control assembly, and when the battery unit fails, the electric telescopic rod can be converted into an input state to unlock the battery unit.
Preferably, a plurality of guide plates are installed at the top of bottom plate, the outer wall of battery unit and the outer wall sliding connection of guide plate, portable board is installed at the top of battery unit.
Preferably, the battery cells, the first lead and the second lead constitute a set of series-connected cells, and the battery pack is composed of a plurality of series-connected cells, wherein the first lead of one series-connected cell is connected to the second lead of the previous series-connected cell.
Compared with the prior art, the invention has the following beneficial effects:
when the battery unit is inserted, the first terminal seat is controlled to be converted from the horizontal state to the vertical state, the negative terminal is enabled to be disconnected with the relay terminal, so that an electric wire formed among the first lead, the relay terminal and the second lead is disconnected, the positive terminal can move upwards, when the battery unit is completely installed on the top of the bottom plate, and the support sleeve is completely sleeved on the outer wall of the installation sleeve, the positive terminal can be in contact electric connection with the positive patch right above the positive terminal, and the negative terminal can be in contact electric connection with the negative patch.
In the invention, when a certain battery in the series circuit breaks down, the first terminal seat is converted from the vertical state to the horizontal state, the negative terminal is separated from the contact with the negative patch, so that the communication between the battery unit and the series circuit is disconnected, the positive terminal is connected with the relay terminal, and the positive terminal is separated from the contact with the positive patch, so that the first lead, the relay terminal and the second lead can form a wire, the battery pack is prevented from stopping supplying power, the battery unit is also separated from the connection with the series circuit, the damage of the certain battery cannot influence the normal use of the unmanned aerial vehicle, and the problems of falling, power-off flight and the like of the plant protection unmanned aerial vehicle can be reduced although the output voltage is reduced.
Thirdly, by arranging the supporting sleeve and the mounting sleeve, when the supporting sleeve is sleeved on the outer wall of the mounting sleeve, after the mounting is completed, the first plug pin hole can be communicated with the second plug pin hole, at the moment, the limiting pin moves towards the direction of the mounting sleeve by controlling the output of the electric telescopic rod, so that the limiting pin can sequentially enter the first plug pin hole and the second plug pin hole, and then the supporting sleeve and the mounting sleeve are locked after being sleeved, so that the battery unit is fixedly mounted.
And when the battery unit fails, the electric telescopic rod inputs the limiting pin to move out of the inner walls of the first bolt hole and the second bolt hole, and the mechanism for bouncing up the battery unit works, so that the battery unit and the support sleeve are moved out, the connection between the battery unit and the series circuit is disconnected, meanwhile, the limit on the transmission plate and the transmission strip is also released, the first terminal seat and the second terminal seat are reset, and the series circuit of the battery unit which is separated from the failure can be communicated for work again.
And fifthly, the transmission plate and the transmission strip are arranged, so that the communication between the positive terminal and the positive patch and the communication between the negative terminal and the negative patch can be controlled according to the displacement of the support sleeve in the downward sleeve joint.
Drawings
FIG. 1 is a schematic diagram of a series unit according to the present invention;
FIG. 2 is a schematic right side view of the FIG. 1 structure of the present invention;
FIG. 3 is a front view of the structure of FIG. 1 according to the present invention;
FIG. 4 is a partial schematic structural view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 5 is a partial schematic structural view taken along line B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic view of the interior of the mounting sleeve of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 4 at C;
FIG. 8 is a schematic three-dimensional view of the components inside the mounting sleeve of the present invention;
FIG. 9 is a schematic view of the internal structure of the mounting sleeve from another perspective of the present invention;
FIG. 10 is a schematic view of the construction of the mounting sleeve of the present invention;
FIG. 11 is a schematic view of the structure of the support sleeve of the present invention;
FIG. 12 is a schematic view of the exterior of the mounting sleeve of the present invention;
fig. 13 is a schematic structural view of a plurality of groups of battery units connected in series according to the present invention.
In the figure: 1. a battery cell; 2. a support sleeve; 3. a base plate; 4. installing a sleeve; 5. a guide plate; 6. a carrying board; 7. a positive electrode patch; 8. negative electrode paster; 9. a first conductive line; 10. a second conductive line; 11. a first terminal base; 12. a negative terminal; 13. a positive terminal; 15. a second terminal block; 16. a first pin hole; 17. a second pin hole; 18. an electric telescopic rod; 19. a mounting seat; 20. a spacing pin; 21. a first support shaft; 22. a support spring; 23. a vertical slot; 24. a pin shaft slot; 25. a drive plate; 26. a rotating shaft; 27. a gear; 28. a rack; 29. a drive bar; 30. a chute; 31. a transmission groove; 32. a snap spring; 33. a second support shaft; 34. a female terminal; 35. a T-shaped slot; 36. a torsion spring; 37. and (7) pressing a plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 13, the present invention provides a technical solution: a battery pack applied to a plant protection unmanned aerial vehicle comprises a battery unit 1 and a supporting sleeve 2 arranged at the bottom of the battery unit 1, wherein a positive patch 7 and a negative patch 8 are arranged at the bottom of the battery unit 1 in the supporting sleeve 2, the battery pack further comprises a bottom plate 3, the top of the bottom plate 3 is fixedly connected with a mounting sleeve 4, the supporting sleeve 2 is slidably sleeved on the outer wall of the mounting sleeve 4, the top of the bottom plate 3 below the positive patch 7 is vertically and slidably connected with a positive terminal 13, the inner wall of the mounting sleeve 4 is rotatably connected with a first terminal seat 11, the end part of the first terminal seat 11 is provided with a negative terminal 12, the battery pack further comprises a second wire 10 communicated with the negative terminal 12, one end of the first wire 9 is provided with a relay terminal, the first wire 9 is further connected with the positive terminal 13, the negative terminal 12 is communicated with the relay terminal when the first terminal seat 11 is in a horizontal state, and the first terminal seat 11 can be separated from the first wire 9 when rotating to a vertical state, and the negative terminal 12 can be in contact communication with the bottom of the negative patch 8.
A plurality of battery cells 1 may constitute a series battery pack.
As shown in fig. 4, when the battery unit 1 is not inserted, the first lead 9, the relay terminal, and the second lead 10 can constitute a unidirectional communication wire, and current can be supplied to the second lead 10 through the first lead 9 and the relay terminal, and electric energy can be supplied to the battery pack through the second lead 10.
When the battery unit 1 is inserted, the first terminal base 11 is controlled to be changed from the horizontal state to the vertical state, the negative terminal 12 is disconnected from the relay terminal, so that the electric wire formed among the first lead 9, the relay terminal and the second lead 10 is disconnected, and meanwhile, the positive terminal 13 can move upwards, when the battery unit 1 is completely installed on the top of the bottom plate 3, and the support sleeve 2 is completely sleeved on the outer wall of the installation sleeve 4, the positive terminal 13 can be in contact electrical connection with the positive patch 7 directly above the positive terminal 13, and the negative terminal 12 can be in contact electrical connection with the negative patch 8, so that the first lead 9, the battery unit 1 and the second lead 10 can form the electric wire through the cooperation, and the battery unit 1 is integrated into a series circuit.
With foretell part setting multiunit to can increase the battery according to the demand, change the voltage of battery, so, the user can have more continuation of the journey mileage and load and come the control to merge the battery quantity in the series circuit, skill also can raise the efficiency promptly, reduces the consumption of electric energy.
On the other hand, when a certain battery in the series circuit breaks down, the first terminal seat 11 is changed from the vertical state to the horizontal state, the negative terminal 12 is separated from the contact with the negative patch 8, so that the connection between the battery unit 1 and the series circuit is disconnected, the positive terminal 13 is connected with the relay terminal, and the positive terminal 13 is separated from the contact with the positive patch 7, so that the first lead 9, the relay terminal and the second lead 10 can form an electric wire, namely, the battery pack is prevented from stopping power supply, the battery unit 1 is also separated from the connection with the series circuit, the damage of the certain battery cannot affect the normal use of the unmanned aerial vehicle, and the problems of falling, power-off flight and the like of the plant protection unmanned aerial vehicle can be reduced although the output voltage is reduced.
In addition, the negative terminal 12 and the positive terminal 13 are both slightly deformable terminals, and the battery unit 1 is prevented from making hard contact with them, and damaging the positive patch 7 and the negative patch 8.
In addition, to prevent a sudden power failure, a dual power transfer switch may be used to use one of the battery cells 1 in the battery pack for backup power.
A driving method for controlling the upward movement of the positive electrode terminal 13 is provided below.
Further, two symmetrical pin shaft grooves 24 are formed in the outer wall of the mounting sleeve 4 in a penetrating mode, the inside of each pin shaft groove 24 is connected with a transmission plate 25 through a pin shaft in a rotating mode, the mounting sleeve further comprises a vertical groove 23 formed in the top of the bottom plate 3, the inner wall of the vertical groove 23 is connected with a first supporting shaft 21 in a sliding mode, the top of the first supporting shaft 21 is fixedly connected with a second terminal seat 15, the second terminal seat 15 is of an I-shaped structure, the part, penetrating out of the outer wall of the mounting sleeve 4, of the transmission plate 25 is a short lever part, the part, close to the inside of the mounting sleeve 4, of the transmission plate 25 is a long lever part, the long lever part is inserted into the middle of an I-shaped part of the second terminal seat 15, the positive terminal 13 is arranged at the top of the second terminal seat 15, the outer wall of the first supporting shaft 21 is sleeved with supporting springs 22, two ends of the supporting springs 22 are fixedly connected with the bottom of the second terminal seat 15 and the top of the bottom plate 3 respectively, and the mechanism further comprises a mechanism which enables the battery unit 1 to bounce upwards when the battery unit 1 fails.
As shown in fig. 5, 8, 9 and 12, when the short lever portion of the driving plate 25 penetrates through the outer wall of the mounting sleeve 4, and the long lever portion is inserted into the middle portion of the i-shaped portion of the second terminal seat 15, and the driving plate 25 and the pin form a lever structure, and the long lever portion makes the short lever portion upward due to the weight, which presents a state that the short lever portion is high and the long lever portion is low, when the battery unit 1 and the supporting sleeve 2 are mounted on the outer wall of the mounting sleeve 4, because the supporting sleeve 2 is slidably sleeved on the outer wall of the mounting sleeve 4, the supporting sleeve 2 can drive the short lever portion to move downward, so that the long lever portion jacks up the second terminal seat 15, and the positive terminal 13 moves upward to complete the contact with the positive electrode patch 7.
When the positive terminal 13 and the second terminal holder 15 move upward, the supporting spring 22 is stretched and deformed to accumulate elastic potential energy, and when the supporting sleeve 2 is separated from the mounting sleeve 4, the supporting spring 22 resets the second terminal holder 15 and the positive terminal 13, so that the positive terminal 13 is disconnected from the battery unit 1.
Wherein, the pin shaft groove 24 can completely accommodate the short lever part, and prevent the displacement transformation of the transmission plate 25 from interfering the sleeve connection of the support sleeve 2.
And the height of the supporting sleeve 2 and the height of the mounting sleeve 4 are equal, so that when the supporting sleeve 2 is completely sleeved on the outer wall of the mounting sleeve 4, the bottom of the battery unit 1 can be in contact with the top of the mounting sleeve 4, the battery unit 1 can be better limited and supported, and meanwhile, the positive terminal 13 can be moved upwards through the mounting of the supporting sleeve 2 and the battery unit 1.
A driving method for turning the first terminal holder 11 from the horizontal state to the vertical state is provided below.
Furthermore, a second supporting shaft 33 capable of sliding up and down is arranged at the top of the bottom plate 3, a rack 28 is fixedly connected to the top of the second supporting shaft 33, a rotating shaft 26 is rotatably connected to the inner wall of the mounting sleeve 4, a gear 27 meshed with the rack 28 and connected to the outer wall of the rotating shaft 26 is fixedly mounted on the outer wall of the first terminal seat 11, an instantaneous spring 32 is sleeved on the outer wall of the second supporting shaft 33 between the rack 28 and the bottom plate 3, and the transmission assembly further comprises a transmission assembly driving the rack 28 to move downwards.
As shown in fig. 4, 8, 9 and 12, the rack 28 is moved downward by controlling the transmission assembly, and due to the meshing relationship between the gear 27 and the rack 28, the rack 28 rotates clockwise, so that the gear 27 drives the first terminal holder 11 to change from the horizontal state to the vertical state, and then by providing the second support shaft 33 and the instantaneous spring 32, the sliding direction of the rack 28 can be limited, and the second support shaft 33 can also provide potential energy for returning the rack 28.
In this case, when the battery unit 1 fails, the battery unit 1 is sprung up, so that the battery unit 1 and the support sleeve 2 are disengaged, and the battery unit 1 is disconnected from the series circuit.
Wherein again, when the transmission subassembly was the instantaneous transmission for its elastic potential energy can be released in the twinkling of an eye to instantaneous spring 32 for the speed that first terminal seat 11 truned into the horizontally state from vertical state becomes fast, and better is negative terminal 12 and negative pole paster 8 break away from, and secondly, is favorable to accelerating the intercommunication of first wire 9, relay terminal and second wire 10.
Furthermore, the transmission assembly comprises a transmission strip 29 fixedly connected to the outer wall of the rack 28, a sliding groove 30 is formed in the outer wall of the mounting sleeve 4, the transmission strip 29 is slidably connected to the outer wall of the sliding groove 30, a transmission groove 31 is formed in the outer wall of the support sleeve 2, and when the support sleeve 2 slides downwards, the transmission groove 31 and the transmission strip 29 can be clamped with each other through the sliding groove 30, and the transmission strip 29 is driven to move downwards.
As shown in fig. 9 to 12, when the support sleeve 2 moves downward, the transmission groove 31 is engaged with the transmission bar 29, and as the support sleeve 2 continues to move downward, the transmission groove 31 drives the transmission bar 29 to move downward, so that the rack 28 moves downward.
Further, the relay terminal includes a female terminal 34 installed between the second terminal holder 15 and the first terminal holder 11, the female terminal 34 is fixedly installed on the top of the bottom plate 3, the negative terminal 12 is inserted into the female and communicates with the female terminal 34 when the first terminal holder 11 maintains the parallel state, the first and second wires 9 and 10 are hidden and installed inside the bottom plate 3 and the second terminal holder 15, and the displacement of the second terminal holder 15 does not interfere with the use state of the first and second wires 9 and 10.
As shown in fig. 8 and 9, the first terminal holder 11 is in a horizontal state, and the negative terminal 12 is located in the recessed portion of the female terminal 34, so that the negative terminal 12 can be electrically connected to the female terminal 34 in a contact manner, and when the transfer assembly is operated, the first terminal holder 11 is turned to a vertical state, so that the negative terminal 12 is disconnected from the female terminal 34.
The first wire 9 and the second wire 10 can be hidden inside the bottom plate 3 to prevent interference with the support sleeve 2, and a wiring groove can be formed on the top of the bottom plate 3 to facilitate the first wire 9 and the second wire 10 to be buried inside the bottom plate 3.
Further, two mount pads 19 of bottom plate 3's top fixedly connected with, two mount pads 19 set up along 4 symmetries of installation cover, the mounting groove has all been seted up to the opposite face of two mount pads 19, the inside fixed mounting of mounting groove has electric telescopic handle 18 towards the output of installation cover 4, the inner wall sliding connection of mounting groove has spacer pin 20, electric telescopic handle 18's output and spacer pin 20's outer wall fixed connection, support the outer wall of cover 2 and installation cover 4 and seted up second bolt hole 17 and first bolt hole 16 respectively, install when installing at installation cover 4 outer wall with supporting cover 2 when battery unit 1, first bolt hole 16 is linked together with second bolt hole 17, spacer pin 20 can get into the inside in second bolt hole 17 and first bolt hole 16 in proper order, accomplish the locking installation to battery unit 1.
As shown in fig. 5 and 12, when the supporting sleeve 2 is sleeved on the outer wall of the mounting sleeve 4, after the mounting is completed, the first pin hole 16 can be communicated with the second pin hole 17, and at this time, the output of the electric telescopic rod 18 is controlled, so that the limit pin 20 moves towards the mounting sleeve 4, and the limit pin 20 can sequentially enter the first pin hole 16 and the second pin hole 17, and then the supporting sleeve 2 and the mounting sleeve 4 are locked after the sleeving is completed, thereby completing the fixed mounting of the battery unit 1.
Further, T-slot 35 has been seted up at bottom plate 3's top, and T-slot 35 is the T font structure, and the inner wall rotation of T-slot 35 is connected with the torsion axle, and the outer wall fixedly connected with clamp plate 37 of torsion axle can be accomodate in the inside of T-slot 35 when clamp plate 37 rotates downwards, and the outer wall cover of torsion axle is equipped with torsional spring 36, the both ends of torsional spring 36 respectively with clamp plate 37's outer wall and the inner wall fixed connection of T-slot 35.
As shown in fig. 8 and 12, a plurality of groups of mechanisms for bouncing battery units 1 may be provided to facilitate smooth transmission, and by disposing four pressing plates 37 at the periphery of the mounting sleeve 4, when the supporting sleeve 2 moves downward, the pressing plates 37 may enter the inside of the T-shaped groove 35, and at the same time, the torsion spring 36 may be torsionally deformed to accumulate elastic potential energy, when the supporting sleeve 2 is completely sleeved on the outer wall of the mounting sleeve 4, the supporting sleeve 2 and the mounting sleeve 4 may be locked by controlling the electric telescopic rod 18, and when it is necessary to release the locking of the battery units 1, the torsion spring 36 may release its elastic potential energy, thereby bouncing the battery units 1 through the supporting sleeve 2.
Further, the battery unit comprises an electronic control assembly, when the battery unit 1 fails, the electric telescopic rod 18 can be converted into an input state to unlock the battery unit 1, when the battery unit 1 fails, the electric telescopic rod 18 inputs to move the limiting pin 20 out of the inner walls of the first bolt hole 16 and the second bolt hole 17, at the moment, a mechanism for bouncing up the battery unit 1 works, so that the battery unit 1 and the support sleeve 2 are moved out, the connection between the battery unit 1 and the series circuit is disconnected, meanwhile, the limiting on the transmission plate 25 and the transmission strip 29 is also released, the first terminal seat 11 and the second terminal seat 15 are reset, and the series circuit of the battery unit 1 which is separated from the failure can be communicated again to work.
Further, a plurality of deflectors 5 are installed at the top of bottom plate 3, cell 1's outer wall and the outer wall sliding connection of deflector 5, and handhold board 6 is installed at cell 1's top, through installing a plurality of deflectors 5, can carry out spacingly and direction to cell 1, prevents to support that cover 2 docks the installation cover 4 inaccurate, wastes time and energy, and secondly, through setting up handhold board 6, can convenient to use person get to cell 1 and put the operation.
Further, the battery cells 1, the first lead 9 and the second lead 10 constitute a group of series-connected cells, and the battery group is composed of a plurality of series-connected cells, wherein the first lead 9 in one series-connected cell is connected to the second lead 10 of the previous series-connected cell.
As shown in fig. 13, the battery pack formed by a plurality of battery units 1 connected in series is shown as being arranged longitudinally, and can be arranged according to requirements, when one of the battery units 1 fails, the battery unit 1 and the support sleeve 2 are bounced through a mechanism for bouncing up the battery unit 1, meanwhile, the negative terminal 12 and the positive terminal 13 can be disconnected from the battery unit 1, the failed battery unit 1 is moved out of the series circuit, so that the normal operation of the series circuit is prevented from being influenced, and then, the series circuit can be operated normally by resetting the positive terminal 13.
In conclusion, according to the unmanned aerial vehicle power supply system, the battery units 1 with the corresponding number can be connected into the series circuit according to requirements, meanwhile, the battery units 1 can be moved out of the series circuit after being broken, meanwhile, the disconnected parts are communicated again, so that the series circuit can continue to work normally, and the unmanned aerial vehicle is prevented from falling off when the unmanned aerial vehicle is powered off.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a be applied to plant protection unmanned aerial vehicle's group battery, includes battery cell (1) and support cover (2) of bottom thereof, is located and supports inside cover (2) the bottom of battery cell (1) is provided with anodal paster (7) and negative pole paster (8), still includes bottom plate (3), its characterized in that: the top of the bottom plate (3) is fixedly connected with an installation sleeve (4), the support sleeve (2) is slidably sleeved on the outer wall of the installation sleeve (4), is positioned under the positive patch (7), the top of the bottom plate (3) is vertically and slidably connected with a positive terminal (13), the inner wall of the installation sleeve (4) is rotatably connected with a first terminal seat (11), the end part of the first terminal seat (11) is provided with a negative terminal (12), the support device further comprises a second lead (10) communicated with the negative terminal (12), one end of the first lead (9) is provided with a relay terminal, the first lead (9) is further connected with the positive terminal (13), the negative terminal (12) is communicated with the relay terminal when the first terminal seat (11) is in a horizontal state, and the first terminal seat (11) can be separated from the communication with the first lead (9) when rotating to a vertical state, the negative terminal (12) can be in contact communication with the bottom of the negative patch (8);
The mounting sleeve is characterized in that two symmetrical pin shaft grooves (24) are formed in the outer wall of the mounting sleeve (4), the inside of each pin shaft groove (24) is connected with a transmission plate (25) in a rotating mode through a pin shaft, the mounting sleeve further comprises a vertical groove (23) formed in the top of the bottom plate (3), the inner wall of the vertical groove (23) is connected with a first supporting shaft (21) in a sliding mode, the top of the first supporting shaft (21) is fixedly connected with a second terminal seat (15), the second terminal seat (15) is of an I-shaped structure, the part, penetrating out of the outer wall of the mounting sleeve (4), of the transmission plate (25) is a short lever part, the part, close to the inside of the mounting sleeve (4), of the transmission plate (25) is a long lever part, the long lever part is inserted into the I-shaped middle part of the second terminal seat (15), the positive terminal (13) is arranged at the top of the second terminal seat (15), and a supporting spring (22) is sleeved on the outer wall of the first supporting shaft (21), the two ends of the supporting spring (22) are respectively fixedly connected with the bottom of the second terminal seat (15) and the top of the bottom plate (3), and the battery pack further comprises a mechanism which can be bounced up towards the battery unit (1) when the battery unit (1) is in failure.
2. The battery pack applied to the plant protection unmanned aerial vehicle as claimed in claim 1, wherein: the top of bottom plate (3) is provided with gliding second back shaft (33) from top to bottom, the top fixedly connected with rack (28) of second back shaft (33), the inner wall of installation cover (4) rotates and is connected with pivot (26), the outer wall fixed mounting of pivot (26) has gear (27) of being connected with rack (28) meshing, install on the outer wall of gear (27) first terminal seat (11), be located between rack (28) and bottom plate (3) the outer wall cover of second back shaft (33) is equipped with instantaneous spring (32), still includes the transmission subassembly that drives rack (28) downward displacement.
3. The battery group of claim 2, wherein: the transmission assembly comprises a transmission strip (29) fixedly connected to the outer wall of the rack (28), a sliding groove (30) is formed in the outer wall of the mounting sleeve (4), the transmission strip (29) is connected to the outer wall of the sliding groove (30) in a sliding mode, a transmission groove (31) is formed in the outer wall of the support sleeve (2), and the transmission groove (31) and the part, penetrating out of the sliding groove (30), of the transmission strip (29) can be clamped when the support sleeve (2) slides downwards and drive the transmission strip (29) to move downwards.
4. The battery group of claim 2, wherein: the relay terminal comprises a concave terminal (34) installed between a second terminal seat (15) and a first terminal seat (11), wherein the concave terminal (34) is fixedly installed at the top of a bottom plate (3), when the first terminal seat (11) keeps a parallel state, a negative terminal (12) is inserted into a concave shape and is communicated with the concave terminal (34), a first lead (9) and a second lead (10) are hidden and installed inside the bottom plate (3) and the second terminal seat (15), and the displacement of the second terminal seat (15) does not interfere with the use state of the first lead (9) and the second lead (10).
5. A group battery of any one of claims 1-4 for application in plant protection unmanned aerial vehicle, characterized in that: the top of the bottom plate (3) is fixedly connected with two mounting seats (19), the two mounting seats (19) are symmetrically arranged along the mounting sleeve (4), mounting grooves are formed in opposite surfaces of the two mounting seats (19), an electric telescopic rod (18) which is output towards the mounting sleeve (4) is fixedly mounted inside the mounting grooves, a limiting pin (20) is connected to the inner wall of each mounting groove in a sliding manner, the output end of each electric telescopic rod (18) is fixedly connected with the outer wall of the corresponding limiting pin (20), the outer walls of the support sleeve (2) and the mounting sleeve (4) are respectively provided with a second pin hole (17) and a first pin hole (16), when the battery unit (1) and the support sleeve (2) are mounted on the outer wall of the mounting sleeve (4), the first pin holes (16) are communicated with the second pin holes (17), and the limiting pins (20) can sequentially enter the second pin holes (17) and the first pin holes (16), the locked mounting of the battery unit (1) is completed.
6. Be applied to plant protection unmanned aerial vehicle's group battery according to claim 5, characterized in that: t-slot (35) have been seted up at the top of bottom plate (3), the inner wall of T-slot (35) rotates and is connected with the rotation axis, the outer wall fixedly connected with clamp plate (37) of rotation axis, can accomodate the inside in T-slot (35) when clamp plate (37) rotates downwards, the outer wall cover of rotation axis is equipped with torsional spring (36), the both ends of torsional spring (36) respectively with the outer wall of clamp plate (37) and the inner wall fixed connection in T-slot (35).
7. Be applied to plant protection unmanned aerial vehicle's group battery according to claim 6, characterized in that: the battery unit locking device further comprises an electric control assembly, and when the battery unit (1) breaks down, the electric telescopic rod (18) can be converted into an input state to unlock the battery unit (1).
8. Be applied to plant protection unmanned aerial vehicle's group battery according to claim 6, characterized in that: a plurality of deflectors (5) are installed at the top of bottom plate (3), the outer wall of battery unit (1) and the outer wall sliding connection of deflector (5), portable board (6) are installed at the top of battery unit (1).
9. The battery group of claim 1, wherein: the battery pack is characterized in that the battery unit (1), the first lead (9) and the second lead (10) form a group of series units, the battery pack is composed of a plurality of series units, and the first lead (9) in one series unit is connected with the second lead (10) of the last series unit.
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| WO2019009625A1 (en) * | 2017-07-06 | 2019-01-10 | 주식회사 엘지화학 | Battery module, and battery pack and vehicle including same |
| KR20190005403A (en) * | 2017-07-06 | 2019-01-16 | 주식회사 엘지화학 | Battery module, battery pack including the same, and vehicle including the same |
| WO2019045238A1 (en) * | 2017-08-31 | 2019-03-07 | 주식회사 엘지화학 | Battery module provided with connector breaking device |
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