CN210467957U

CN210467957U - One-way air inlet structure of battery box and one-way air inlet assembly thereof

Info

Publication number: CN210467957U
Application number: CN201921998107.4U
Authority: CN
Inventors: 王科锋
Original assignee: Zhengzhou Zhengfang Technology Co ltd
Current assignee: Zhengzhou Zhengfang Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-05-05
Anticipated expiration: 2029-11-19

Abstract

The utility model relates to a battery box unilateral air inlet structure and one-way air inlet subassembly thereof, battery box unilateral air inlet structure include casing, one-way air inlet subassembly, go up the casing and be equipped with the air intake, and one-way air inlet subassembly includes air inlet joint, air inlet pad clamp plate, and air inlet joint is including being used for connecting the main part on last casing and setting up the pneumatic quick-operation joint in the main part, the main part has one side open-ended air cavity, air cavity and pneumatic quick-operation joint intercommunication, and air inlet pad clamp plate fold in proper order and establish the opening part at the air cavity, and air inlet pad middle part is equipped with the gap, and the gap can be opened so that air intake and air. The air inlet structure is unidirectional, and when needing the heat dissipation among the battery charging process, can one-way air inlet, not ventilate when not using, possess waterproof, dustproof performance.

Description

One-way air inlet structure of battery box and one-way air inlet assembly thereof

Technical Field

The utility model relates to a chargeable call's box structure technical field, concretely relates to one-way air inlet structure of battery box and one-way air inlet subassembly thereof.

Background

Plant protection unmanned aerial vehicle, also called unmanned vehicles, as the name implies is the unmanned aircraft who is used for agriculture and forestry plant protection operation, and this type unmanned aircraft comprises flight platform (fixed wing, helicopter, multiaxis aircraft), navigation flight control, spraying mechanism triplex, flies through ground remote control or navigation and controls, realizes spraying the operation, can spray medicament, seed, powder etc.. A plant protection unmanned aerial vehicle as disclosed in the utility model patent of grant publication No. CN 206367594U. Most plant protection unmanned aerial vehicles adopt replaceable and rechargeable batteries as power supplies, the endurance capacity of one battery is limited, and after the unmanned aerial vehicle works for a period of time, one fully charged battery needs to be replaced and then the unmanned aerial vehicle continues to work. The heat productivity of the battery is very large in the discharging process, and the battery which is just discharged can not be directly charged due to the high temperature, otherwise, the service life of the battery is greatly influenced, and potential safety hazards exist. After cooling, the battery for the plant protection unmanned aerial vehicle with a high temperature has a long natural cooling process, and the whole charging period of the battery is prolonged. In the operation of plant protection unmanned aerial vehicle, just need several reserve batteries that charge in advance, avoid the wait of on-the-spot charging. In addition, the battery also generates heat during charging, and the time required for fully charging the battery is also affected to some extent.

Because the special work occasion of battery, need waterproof, dustproof etc. therefore the relative relatively closed of battery box structural design leads to the heat dissipation not good.

In order to improve heat dissipation, for example, in the battery pack quick charging device disclosed in patent application publication No. CN107026489A, a heat dissipation fan and a heat dissipation port are disposed on a side surface of the battery pack, which can only dissipate heat to a certain extent, for example, battery cells of a common lithium battery pack are stacked side by side and are not easy to dissipate heat; in addition, the more heat dissipation ports are formed, so that the adaptability to the use environment may be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery box unilateral air inlet structure under waterproof dirt-proof condition, solves the heat dissipation problem. This is novel still provides a one-way air inlet subassembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

one-way air inlet structure of battery box, including last casing, one-way air inlet subassembly, go up the casing and be equipped with the air intake, one-way air inlet subassembly includes air inlet joint, air inlet pad clamp plate, and the air inlet connects including being used for connecting the main part on last casing and setting up the pneumatic quick-operation joint in the main part, the main part has one side open-ended air cavity, and air cavity and pneumatic quick-operation joint intercommunication, and air inlet pad clamp plate fold in proper order and establish the opening part at the air cavity, and air inlet pad middle part is equipped with the gap, and the gap can be opened so that air intake.

Further, go up the outside an organic whole of casing and be equipped with the air inlet cavity, the air intake sets up in one side of air inlet cavity, the opposite side of air inlet cavity be equipped with the installation notch of the main part butt joint that the air inlet connects, air inlet pad clamp plate are located in the installation notch.

Further, the air inlet pad pressing plate comprises an air inlet pad pressing plate and an air inlet pad lower pressing plate, the air inlet pad is clamped between the air inlet pad pressing plate and the air inlet pad lower pressing plate, and through holes for yielding gaps of the air inlet pad are formed in the middle of the air inlet pad pressing plate and the air inlet pad lower pressing plate.

Furthermore, the main part that the air inlet connects passes through the fix with screw on the air inlet cavity, all correspond on main part and air inlet pad lower clamp plate, air inlet pad, the air inlet pad upper clamp plate and be equipped with the screw and perforate.

Furthermore, a supporting step is arranged in the mounting groove opening, and the edge of the upper pressing plate of the air inlet gasket is matched with the supporting step.

Further, the air inlet pad is a silica gel pad.

Furthermore, the opening of the air cavity is a rectangular opening, and the position of the opening corresponds to the gap.

One-way air inlet subassembly, including air inlet joint, air inlet pad clamp plate, the air inlet joint is including being used for connecting the main part on the casing and setting up the pneumatic quick-operation joint in the main part, the main part has one side open-ended air cavity, and air cavity and pneumatic quick-operation joint intercommunication, and air inlet pad clamp plate fold in proper order and establish the opening part at the air cavity, and air inlet pad middle part is equipped with the gap, and the gap can be opened so that air intake and air cavity intercommunication realize ventilating under the wind pressure effect.

The utility model has the advantages that:

when the battery is charged, under the matching of the external air supply mechanism, air can enter an air cavity in the air inlet joint from the pneumatic quick joint, and under the action of air pressure, a gap of the air inlet pad can ventilate, so that the air continues to flow to the upper shell, flows to the interior of the battery box body through the air inlet of the upper shell, and then the heat in the battery box body is taken out along with the air, thereby achieving the radiating effect. Under normal conditions, the gap of air inlet pad is less, can not open the ventilation by oneself, also the air inlet structure is one-way air inlet, has just also possessed good waterproof, dustproof performance.

Drawings

FIG. 1 is a schematic external view of a battery case;

FIG. 2 is a schematic structural view of the upper housing;

FIG. 3 is a cutaway schematic view of FIG. 2;

FIG. 4 is an exploded schematic view of the one-way intake assembly;

FIG. 5 is a schematic view of the structure of the intake air cushion of FIG. 4;

fig. 6 is a schematic view of the battery case with the upper and middle cases removed;

fig. 7 is a sectional view of the battery case;

FIG. 8 is a partial schematic view of the lower portion of FIG. 7;

FIG. 9 is a schematic view of the structure of the lower case;

FIG. 10 is an exploded schematic view of FIG. 9;

fig. 11 is a structural schematic view of another angle of the lower case.

Names corresponding to the marks in the figure:

1. the upper shell, 11, the charging socket, 12, the upper seal ring, 2, the middle shell, 3, the lower shell, 30, the lower seal ring, 31, the one-way aerofoil, 311, the one-way wind hole, 32, the guide wind groove, 33, the confluence notch, 34, the protrusion, 35, the cavity, 36, the support leg, 4, the one-way air inlet structure, 41, the air inlet cavity, 411, the air inlet, 42, the pneumatic quick joint, 43, the main body, 431, the air cavity, 432, the screw perforation, 44, the air inlet pad, 441, the gap, 45, the air inlet pad hold-down plate, 46, the air inlet pad hold-down plate, 47, the O-shaped seal ring, 5, the electric core, 6, the connecting plate, 7, the ventilation plate, 8, the one-way air exhaust structure, 81, the air exhaust pad, 811, the first fixing through hole, 82, the bottom baffle, 821, the ventilation hole, 83.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The utility model discloses battery box one-way air inlet structure's embodiment:

for easy understanding the utility model discloses structure and the principle of battery box one-way air inlet structure introduce with its whole battery box of using in this embodiment, as shown in fig. 1-11, the battery box, including casing, battery pack, the casing includes casing 1, well casing 2, casing 3 down, and the three passes through the fix with screw, goes up casing 1 and well casing 2's junction and well casing 2 and casing 3's junction all encircles and is equipped with the sealing washer down, marks as upper seal 12, lower sealing washer 30 respectively. The left side of the upper shell 1 is provided with a charging socket 11 which is matched with a charging plug in a plugging manner during charging. The right side of the upper shell 1 is provided with a one-way air inlet structure 4 for providing an air inlet during ventilation and heat dissipation.

An air inlet cavity 41 is integrally arranged on the outer side of the upper shell, the air inlet cavity 41 is provided with an air inlet 411 communicated with the inside and the outside of the shell, and the air inlet cavity 41 is arranged on the right side of the upper shell 1.

The unidirectional air inlet structure 4 comprises an air inlet joint, an air inlet pad 44, an upper pressure plate 46 of the air inlet pad, a lower pressure plate 45 of the air inlet pad and an O-shaped sealing ring 47.

As shown in fig. 2 to 4, the air inlet connector includes a main body 43 for connecting to the air inlet chamber 41 and a pneumatic quick connector 42 disposed on the main body 43. An O-shaped sealing ring 47 is arranged at the joint of the main body 43 and the air inlet cavity 41, so that the connection tightness is ensured. The main body 43 has an air chamber 431 therein, and the air chamber 431 is a bar-shaped chamber and is communicated with the pneumatic quick connector 42 to supply air therefrom. In use, the pneumatic quick connector 42 is adapted to be connected to an air supply mechanism (e.g., an air pump).

The air inlet pad 44 is located between the air inlet cavity 41 and the air cavity 431, and the air inlet pad 44 is a silica gel pad. As shown in fig. 5, the air inlet pad 44 is provided with a slit 441 for allowing air to enter under pressure, the slit 441 being relatively narrow, and in a normal condition, the air inlet pad 44 is substantially unventilated, and the slit 441 is ventilated by means of external pressure. The air intake pad 44 only allows wind to enter the interior of the housing from the exterior thereof, similar to the function of a one-way valve. The length direction of the gap 441 is consistent with the length direction of the air cavity 431, and the opening of the air cavity 431 is a rectangular opening and the position of the opening corresponds to the gap.

As shown in fig. 4, the other side of the air inlet cavity 41 is provided with a mounting slot that is butted with the main body 43 of the air inlet joint, and the air inlet gasket 44, the upper pressing plate 46 of the air inlet gasket and the lower pressing plate 45 of the air inlet gasket are located in the mounting slot. The air inlet pad 44 is clamped between the upper pressing plate 46 and the lower pressing plate 45 of the air inlet pad, and the upper pressing plate 46 and the lower pressing plate 45 of the air inlet pad support the air inlet pad. The middle parts of the upper pressing plate 46 and the lower pressing plate 45 of the air inlet pad are provided with through holes for avoiding gaps of the air inlet pad. The mounting notch is internally provided with a supporting step, and the edge of the upper pressing plate of the air inlet gasket is matched with the supporting step and is tightly pressed and matched under the action of a screw.

As shown in fig. 4, the main body 43 of the air inlet joint is fixed on the air inlet cavity 41 by screws, and a pair of screw through holes 432 are correspondingly formed on the main body 43, the lower pressing plate 45 of the air inlet pad, the air inlet pad 44 and the upper pressing plate 46 of the air inlet pad.

As shown in fig. 6 and 7, a battery assembly is disposed on the connecting plate 6 in the upper case, the battery assembly includes a plurality of battery cells 5, and the battery cells 5 are arranged side by side. The upper end of the battery cell 5 is mounted on the connecting plate 6, the lower end of the battery cell 5 is supported on the ventilating plate 7, and a plurality of ventilating holes 821 are formed in the ventilating plate 7. The specific series-parallel connection mode of each battery cell 5 belongs to the prior art and is not an innovation point of the invention.

All be equipped with a ventilation cooling panel (not shown in the figure) between two adjacent electric core 5, ventilation cooling panel adopts the corrugated sheet of aluminum alloy, and the length direction of the rectangular channel of corrugated sheet is along upper and lower direction to with form a plurality of wind channels between the electric core 5 surface of adjacent side.

The lower part of the shell is provided with a one-way air exhaust structure 8, the one-way air exhaust structure 8 comprises a lower shell 3, an air exhaust pad 81, an air exhaust pad pressing plate 83 and a bottom baffle 82, and the air exhaust pad 81 only allows the air inside the shell to flow to the outside of the shell.

As shown in fig. 7 and 8, the lower housing 3 has a one-way damper 31, and the one-way damper 31 is formed by recessing a middle region of a bottom of the lower housing, so that a recess 35 is formed at a lower side of the one-way damper 31 at the bottom of the lower housing. The one-way air plate 31 is positioned below the ventilating plate 7, and a plurality of one-way air holes 311 are formed in the one-way air plate 31.

As shown in fig. 9, a plurality of upward protrusions 34 are respectively disposed on the front side and the rear side of the one-way air plate 31, the upper end surfaces of the protrusions 34 are used for supporting the ventilating plate 7, and the notches between two adjacent protrusions 34 form a converging notch 33. The space between the ventilation board 7 and the one-way air board 31 forms a flowing air cavity.

The lower casing 3 is provided with a plurality of guiding wind grooves 32 at the edge of the one-way wind plate 31, the guiding wind grooves 32 guide the wind at the lower part of the corresponding ventilation and heat dissipation plate to the confluence notch 33, and further flow into the flowing wind cavity to be converged therein, and then the wind is exhausted through the one-way wind plate 31.

The air exhaust pad 81 is also a silica gel pad and is arranged at the lower side of the one-way air plate 31, the air exhaust pad 81 can be deformed when receiving downward wind pressure so as to open the one-way air holes 311 and exhaust air outwards, and when not receiving the wind pressure, the air exhaust pad 81 shields each one-way air hole.

As shown in fig. 10, the middle portion of the air discharging pad 81 is pressed against the one-way air plate 31 by the air discharging pad pressing plate 83, and the middle portion of the air discharging pad 81 is provided with a first fixing through hole 811 through which a screw or a bolt is inserted. The air exhaust pad pressing plate 83 is a strip-shaped plate extending in the left-right direction, and a second fixing through hole 831 corresponding to the first fixing through hole is formed in the strip-shaped plate.

The air exhaust pad pressing plate 83 is a narrow plate, which only presses the middle area of the air exhaust pad to ensure that most area of the air exhaust pad 81 can deform under the action of air pressure to open more unidirectional air holes 311.

The cavity 35 of the lower housing 3 is provided with a bottom baffle 82, the bottom baffle 82 is provided with a plurality of ventilation holes 821, and a space is formed between the bottom baffle 82 and the one-way air plate 31 to form a space for installing and deforming the air exhaust pad 81, the space must be set, otherwise the air exhaust pad 81 cannot be opened.

As shown in fig. 11, the bottom baffle 82 is located in the cavity 35 of the lower casing 3 and does not protrude downward, so that the design also facilitates the wind to be discharged. The cavity 35 has an annular step against which the outer edge of the bottom skirt 82 engages.

The four corners of the bottom of the lower shell 3 are provided with support legs 36, so that the battery box is placed more stably, and the bottom space of the lower shell 3 is more beneficial to ventilation.

The heat dissipation principle of the battery box is as follows:

the battery pack in this embodiment is exemplified by a commonly used lithium battery, and when charging, the charging plug of the charging device is inserted into the charging socket 11 on one side of the upper casing 1 to start charging, and meanwhile, the air pipe in the air pump assembly is connected to the pneumatic quick connector 42 on the other side of the upper casing 1, and air is supplied by the air pump. Under the atmospheric pressure effect, the air gets into by the gap of air inlet pad 44 to inside the casing 1 that flows to, because around each electric core 5 be with well casing 2 gapped, consequently, the air can flow to each electric core 5 upper portion smoothly, to the heat dissipation of electric core 5 upper portion, the air is via a plurality of wind channels of each ventilation cooling panel downflow, can take away the heat between electric core 5. In the air duct above the one-way air plate 31, air directly enters the one-way air plate 31 through the ventilation plate 7, and the air duct at the edge collects the air to the flowing air cavity on the upper side of the one-way air plate 31 through the ventilation plate 7 and the guide air grooves 32. Under air pressure, the air discharging pad 81 is turned downward so that the unidirectional air holes 311 of the unidirectional air plate 31 are opened for ventilation, and the air can continue to flow downward and be discharged through the ventilation holes 821 of the bottom flap 82.

In the embodiment, in the battery charging process, a plurality of air channels arranged in the shell are utilized, so that a good air cooling effect can be formed, heat generated in the charging process is taken away, the heat dissipation problem is solved, and the charging speed can be increased. Due to the ventilation structure, the battery to be charged just after being replaced does not need to be naturally cooled, and can be directly charged while being charged and cooled. Of course, the air pump can be started to ventilate for about 1 minute, and then the power supply is switched on to charge. According to actual measurement, the air pump is used for ventilating the interior of the battery box, the effect of naturally cooling the battery for 1 hour in the prior art can be achieved within 3 minutes, and the waiting time is saved.

The air inlet and exhaust structures in the embodiment are all unidirectional, so that the purposes of ventilation and heat dissipation are achieved, and good waterproof and dustproof performances can be guaranteed.

In other embodiments, the upper pressing plate of the air inlet pad is not arranged, and the upper side edge of the air inlet pad is supported by directly utilizing the step surface in the mounting groove opening of the air inlet cavity. At this time, only the air inlet pad lower pressing plate is used as the air inlet pad pressing plate.

The utility model discloses one-way air inlet subassembly's embodiment:

the unidirectional air inlet assembly comprises an air inlet joint, an air inlet pad pressing plate and an O-shaped sealing ring, wherein the air inlet pad pressing plate comprises an air inlet pad pressing plate and an air inlet pad lower pressing plate, and the unidirectional air inlet assembly also can only comprise the air inlet pad lower pressing plate. The structures, the connections and the position relations of the air inlet joint, the air inlet cushion, the upper pressing plate of the air inlet cushion, the lower pressing plate of the air inlet cushion and the O-shaped sealing ring are the same as those of the embodiment of the unidirectional air inlet structure of the battery box, and are not repeated.

The unidirectional air inlet component can realize unidirectional ventilation, and not only can be applied to the structure of the battery box, but also can be applied to other equipment needing unidirectional ventilation.

Claims

1. One-way air inlet structure of battery box, its characterized in that: including last casing, one-way air inlet subassembly, go up the casing and be equipped with the air intake, one-way air inlet subassembly includes air inlet joint, air inlet pad clamp plate, and the air inlet connects including being used for connecting the main part on last casing and setting up the pneumatic quick-operation joint in the main part, the main part has one side open-ended air cavity, and air cavity and pneumatic quick-operation joint intercommunication, and air inlet pad clamp plate fold in proper order and establish the opening part in the air cavity, and air inlet pad middle part is equipped with the gap, and the gap can be opened so that air intake and air cavity intercommunication.

2. The one-way air intake structure of battery box of claim 1, characterized in that: go up the outside of casing an organic whole and be equipped with the air inlet cavity, the air intake sets up in one side of air inlet cavity, the opposite side of air inlet cavity be equipped with the installation notch of the main part butt joint of air inlet joint, air inlet pad clamp plate are located in the installation notch.

3. The one-way air intake structure of battery box of claim 2, characterized in that: the air inlet pad pressing plate comprises an air inlet pad pressing plate and an air inlet pad lower pressing plate, the air inlet pad is clamped between the air inlet pad pressing plate and the air inlet pad lower pressing plate, and through holes for yielding gaps of the air inlet pad are formed in the middle of the air inlet pad pressing plate and the middle of the air inlet pad lower pressing plate.

4. The one-way air intake structure of battery box of claim 3, characterized in that: the main body of the air inlet joint is fixed on the air inlet cavity through screws, and the main body and the lower pressing plate of the air inlet cushion, the air inlet cushion and the upper pressing plate of the air inlet cushion are correspondingly provided with screw through holes.

5. The one-way air intake structure of battery box of claim 3, characterized in that: the air inlet pad is characterized in that a supporting step is arranged in the mounting groove opening, and the edge of the upper pressing plate of the air inlet pad is matched with the supporting step.

6. The one-way air intake structure of battery box of claim 1, characterized in that: the air inlet pad is a silica gel pad.

7. The one-way air intake structure of battery box of claim 1, characterized in that: the opening of the air cavity is a rectangular opening, and the position of the opening corresponds to the gap.

8. One-way air inlet subassembly, its characterized in that: including air inlet joint, air inlet pad clamp plate, the air inlet joint is including being used for connecting the main part on the casing and setting up the pneumatic quick-operation joint in the main part, the main part has one side open-ended air cavity, and air cavity and pneumatic quick-operation joint intercommunication, and air inlet pad clamp plate fold in proper order and establish the opening part in the air cavity, and air inlet pad middle part is equipped with the gap, and the gap can be opened so that air intake and air cavity intercommunication realize ventilating under the wind pressure effect.

9. A unidirectional air intake assembly as claimed in claim 8, wherein: the air inlet pad pressing plate comprises an air inlet pad pressing plate and an air inlet pad lower pressing plate, the air inlet pad is clamped between the air inlet pad pressing plate and the air inlet pad lower pressing plate, and through holes for yielding gaps of the air inlet pad are formed in the middle of the air inlet pad pressing plate and the middle of the air inlet pad lower pressing plate.

10. A unidirectional air intake assembly as claimed in claim 8, wherein: the opening of the air cavity is a rectangular opening, and the position of the opening corresponds to the gap.