Storage battery exhaust device

Abstract

The utility model relates to an exhaust device for a storage battery. The exhaust device comprises a recovery assembly, an air outlet piece fixedly mounted on a vehicle body and an exhaust assembly, the exhaust assembly is used for connecting the recovery assembly and the exhaust assembly; the air outlet piece comprises an air outlet plate and a filter screen detachably installed on the side, away from the exhaust assembly, of the air outlet plate. An air outlet through hole is formed in the air outlet plate in a penetrating manner, and the filter screen covers the air outlet through hole. The lead-acid battery has the effects that the filter screen is used for filtering outside air, the probability that the inside of the lead-acid battery is polluted by outside gas and dust in the using process is reduced, and the service life of the lead-acid battery is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of batteries, and in particular to a battery exhaust device. Background Art

[0002] As the technology of new energy vehicles is gradually taking shape, more and more people will choose new energy vehicles when purchasing new cars. Currently, new energy vehicles are mainly driven by lead-acid batteries.

[0003] Due to the characteristics of lead-acid batteries, hydrogen and part of the electrolyte will volatilize when working vigorously, so there are vents on the battery to let the hydrogen and electrolyte flow to the atmosphere. If the battery is not properly maintained and the vent is blocked, if the electrical load is too large or a large current is discharged due to a short circuit, the reaction will intensify and the hydrogen will not be able to escape. When the pressure in the battery reaches a certain level, hydrogen explosion is likely to occur. Therefore, it is necessary to install an exhaust device between the exhaust hole of the negative electrode of the lead-acid battery and the body sheet metal to exhaust the gas generated by the lead-acid battery to the outside of the vehicle.

[0004] Since the lead-acid battery in the prior art is directly connected to the outside world, the probability of external gas and dust polluting the inside of the lead-acid battery during use increases, thereby reducing the service life of the lead-acid battery. Utility Model Content

[0005] In order to reduce the probability of external gas and dust contaminating the lead-acid battery during use, the present application provides a battery exhaust device.

[0006] The battery exhaust device provided in this application adopts the following technical solution:

[0007] A battery exhaust device comprises a recovery component, an air outlet piece fixedly mounted on a vehicle body, and an exhaust component; the exhaust component is used to connect the recovery component and the exhaust component; the air outlet piece comprises an air outlet plate and a filter net detachably mounted on a side of the air outlet plate away from the exhaust component; the air outlet plate is penetrated by an air outlet through hole, and the filter net covers the air outlet through hole.

[0008] By adopting the above technical solution, the filter net can filter the external air, reduce the probability of external gas and dust polluting the lead-acid battery during use, and increase the service life of the lead-acid battery.

[0009] Optionally, the exhaust component includes an air outlet rubber sleeve for connecting the air outlet piece, and the air outlet rubber sleeve covers the air outlet through hole; the air outlet rubber sleeve is provided with an abutment ring portion for abutting the air outlet piece; the air outlet piece is provided with a placement groove for placing the filter screen on the side away from the exhaust component; the filter screen is vertically connected to a plurality of plug-in columns on the side close to the air outlet rubber sleeve, and the plug-in columns are provided with two clamping joints at one end away from the filter screen, the air outlet piece is provided with a first through hole for the clamping joint to pass through, the abutment ring portion is provided with a second through hole for the clamping joint to pass through and corresponding to the first through hole one by one, and the abutment ring portion is also provided with a clamping ring portion for clamping the clamping joint.

[0010] By adopting the above technical solution, a connection method between the filter screen, the air outlet rubber sleeve and the air outlet plate is disclosed, and the connection is performed in the form of a clamping joint, so that the replacement and installation of the filter screen are more convenient.

[0011] Optionally, the exhaust component also includes a hose connector connected to the recovery component and an exhaust hose, and the exhaust hose is used to connect the hose connector and the air outlet rubber sleeve.

[0012] By adopting the above technical solution, a connection method of the exhaust assembly is disclosed, and the connection is performed through an exhaust hose, making the connection process more convenient.

[0013] Optionally, an air outlet pipe is provided on a side of the air outlet rubber sleeve close to the exhaust assembly, and the exhaust hose is sleeved on the air outlet pipe.

[0014] By adopting the above technical solution, a connection method between the air outlet rubber sleeve and the exhaust component is disclosed, and the connection is made by sleeve setting, so that the installation is more convenient and not easy to fall off.

[0015] Optionally, a fastener for fixing the exhaust hose to the outlet pipe is installed at the connection between the exhaust hose and the outlet pipe; the fastener includes an inserting portion, a clamping portion and a handle portion, the inserting portion is provided with a clamping inclined surface for allowing the exhaust hose to slide into the clamping portion, and the clamping portion is used for clamping and fixing the exhaust hose to the outlet pipe.

[0016] By adopting the above technical solution, the structure of the fastener is disclosed, and the exhaust hose and the exhaust pipe are fastened by the fastener, thereby further reducing the probability of the exhaust hose and the exhaust pipe falling off.

[0017] Optionally, the recycling component includes a lead-acid battery and a battery discharge pipe installed on the lead-acid battery and fixedly connected to the hose connector; the hose connector includes a connecting pipe and two clamping tubes connected to both ends of the connecting pipe, the battery discharge pipe is sleeved on one of the clamping tubes, and the exhaust hose is sleeved on the other clamping tube; a plurality of clamping protrusions are arranged at intervals on the outer side wall of the clamping tube.

[0018] By adopting the above technical solution, the connection relationship between the recovery component and the exhaust component is disclosed, and by providing a clamping protrusion on the clamping tube, the probability of the battery discharge pipe and the hose connector falling off is further reduced.

[0019] Optionally, a flexible tape for sealing the pipe connection gap between the card tube and the battery tube is wound around one of the card tubes, and a flexible tape for sealing the pipe connection gap between the card tube and the exhaust hose is also wound between the other card tube and the exhaust hose.

[0020] By adopting the above technical solution, under the action of the flexible tape, the probability of gas leakage from the connection gaps of the pipelines is reduced, and the sealing effect is better.

[0021] Optionally, the recovery component also includes an exhaust pipe, a recovery box for recovering the electrolyte carried in the exhaust gas of the lead-acid battery, and a reflux pipe, the exhaust pipe is used to connect the lead-acid battery and the recovery box, and the exhaust pipe is connected to the side of the recovery box; the reflux pipe is used to connect the lead-acid battery and the recovery box, and the reflux pipe is fixedly connected to the bottom of the recovery box.

[0022] By adopting the above technical solution, the electrolyte in the gas can be recovered through the recovery box before exhausting, thereby reducing pollution to the external atmosphere and increasing the service life of the battery.

[0023] Optionally, the recycling box includes a box body, a plurality of recycling nets fixedly connected to the inner wall of the box body, and a plurality of recycling baffles fixedly connected to the side wall of the box body, two recycling baffles are arranged between two adjacent recycling nets, and the recycling baffles are used to guide the electrolyte recovered by the recycling nets to the reflux pipe.

[0024] By adopting the above technical solution, the specific structure of the recovery box is disclosed, and the electrolyte in the exhaust gas can be effectively recovered through the functions of the recovery net and the recovery baffle.

[0025] Optionally, the recovery box is provided with a reflux port connected to the reflux pipe on one side thereof, and the recovery box is provided with a guide slope in the circumferential direction of the reflux port.

[0026] By adopting the above technical solution, the electrolyte can enter the reflux pipe through the guiding slope, thereby making the recovery of the electrolyte more convenient.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The filter screen filters the outside air, reducing the probability of pollution to the lead-acid battery by outside gas and dust during use, and increasing the service life of the lead-acid battery;

[0029] 2. The exhaust hose and the exhaust pipe are clamped together by the fastener to further reduce the probability of the exhaust hose and the exhaust hose falling off;

[0030] 3. The electrolyte can enter the reflux pipe through the guide slope, making the recovery of the electrolyte more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of a battery exhaust device in an embodiment of the present application.

[0032] Figure 2 It is a cross-sectional view of the recycling component in the embodiment of the present application.

[0033] Figure 3 It is a schematic diagram of the structure of the exhaust assembly in the embodiment of the present application.

[0034] Figure 4 It is a cross-sectional view of the battery tube, hose connector and exhaust hose in the embodiment of the present application.

[0035] Figure 5 It is a cross-sectional view of the exhaust hose, the air outlet rubber sleeve and the air outlet part in the embodiment of the present application.

[0036] Figure 6 It is a schematic diagram of the structure of the snap fastener in the embodiment of the present application.

[0037] Description of reference numerals: 1. recovery component; 12. recovery box; 121. box body; 122. recovery net; 123. recovery baffle; 124. guide slope; 13. exhaust pipe; 14. return pipe; 15. battery discharge pipe; 2. gas outlet; 21. gas outlet plate; 211. gas outlet through hole; 212. placement groove; 213. first through hole; 22. filter net; 221. plug-in column; 222. card connector; 3. Exhaust assembly; 31. Hose connector; 311. Connecting pipe; 312. Snap-on tube; 313. Snap-on convex portion; 314. Flexible adhesive tape; 32. Air outlet rubber sleeve; 321. Air outlet pipe; 322. Abutting ring portion; 323. Second through hole; 324. Snap-on ring portion; 33. Exhaust hose; 4. Fastener; 41. Insertion portion; 411. Snap-on slope; 42. Snap-on portion; 43. Handle portion. DETAILED DESCRIPTION

[0038] The following is combined with Figure 1-6 This application is described in further detail.

[0039] The embodiment of the present application discloses a battery exhaust device.

[0040] Reference Figure 1 A battery exhaust device includes a recovery component 1, a gas outlet 2, and an exhaust component 3. In this embodiment, the recovery component 1 is fixedly connected to the vehicle, the gas outlet 2 is fixedly installed on the vehicle body and connected to the outside of the vehicle, and the exhaust component 3 is used to connect the recovery component 1 and the gas outlet 2, and transport the gas generated by the recovery component 1 to the gas outlet 2, and exhaust it to the atmosphere through the gas outlet 2.

[0041] Reference Figure 2 The recycling assembly 1 is a rectangular parallelepiped structure as a whole. The recycling assembly 1 includes a recycling box 12 for separating and recycling the electrolyte carried in the exhaust gas of the lead-acid battery, an exhaust pipe 13 for connecting the lead-acid battery and the recycling box 12, a return pipe 14 for connecting the lead-acid battery and the recycling box 12, and a battery discharge pipe 15 fixedly connected to the side of the recycling box 12 away from the return pipe 14. There are two exhaust pipes 13, and the two exhaust pipes 13 are arranged on both sides of the recycling box 12 and are respectively connected to the two sides of the recycling box 12. The return pipe 14 is vertically connected to the recycling box 12 and is arranged on the side close to the lead-acid battery. The battery discharge pipe 15 is a plastic hose structure, and the exhaust pipe 13, the return pipe 14 and the recycling box 12 are all formed of corrosion-resistant materials. In this embodiment, the exhaust pipe 13 is used to introduce the gas generated in the lead-acid battery into the recycling box 12, and the gas is formed by mixing hydrogen and electrolyte. The recovery box 12 filters and recovers the electrolyte in the mixed gas, and returns the filtered and recovered electrolyte to the lead-acid battery through the reflux pipe 14, and at the same time discharges the filtered hydrogen through the battery discharge pipe 15.

[0042] Reference Figure 2The recovery box 12 is a hollow rectangular parallelepiped structure, and the recovery box 12 includes a box body 121, a plurality of recovery nets 122 fixedly connected to the inner wall of the box body 121, and a plurality of recovery baffles 123 fixedly connected to the side wall of the recovery box 12. The recovery box 12 is provided with a reflux port connected to the reflux pipe 14 on the side close to the reflux pipe 14. The recovery net 122 is used to filter and recover the electrolyte in the mixed gas. In this embodiment, the recovery box 12 is provided with three recovery nets 122 and six recovery baffles 123. Two recovery baffles 123 are arranged obliquely between two adjacent recovery nets 122, and the side of the recovery baffle 123 away from the box body 121 is inclined toward the side close to the reflux pipe 14, so as to guide the electrolyte recovered by the recovery net 122 to the reflux pipe 14. In order to facilitate the reflux pipe 14 to recover the electrolyte, the recovery box 12 is circumferentially arranged with a guide inclined surface 124 inclined toward the direction of the reflux pipe 14 at the reflux port.

[0043] Reference Figure 3 and Figure 4 The exhaust assembly 3 includes a hose connector 31, an air outlet rubber sleeve 32, and an exhaust hose 33. One end of the hose connector 31 is connected to the battery discharge pipe 15, one end of the exhaust hose 33 is connected to the other end of the hose connector 31, and the other end of the exhaust hose 33 is connected to the air outlet rubber sleeve 32. In this embodiment, the exhaust hose 33 is a plastic hose made of PVC material, and the air outlet rubber sleeve 32 is a rubber structure.

[0044] Reference Figure 4 The hose connector 31 includes a connecting tube 311 and two clamping tubes 312 connected to both ends of the connecting tube 311. A plurality of clamping protrusions 313 are arranged at intervals on the outer wall of the clamping tube 312. In this embodiment, the connecting tube 311 is an L-shaped tube, the outer diameter of the clamping tube 312 is the same as the inner diameter of the battery discharge tube 15, and the outer diameter of the clamping tube 312 is the same as the inner diameter of the exhaust hose 33. The battery discharge tube 15 is sleeved on one of the clamping tubes 312, and the exhaust hose 33 is sleeved on the other clamping tube 312. The friction between the battery discharge tube 15 and the clamping tube 312 and the friction between the exhaust hose 33 and the clamping tube 312 are increased by the action of the clamping protrusions 313. A total of four clamping protrusions 313 are arranged on the clamping tube 312.

[0045] Reference Figure 4 In order to increase the clamping effect between the battery discharge pipe 15 and the clamping tube 312 and the clamping effect between the exhaust hose 33 and the clamping tube 312, a flexible tape 314 for sealing the pipe connection gap between the clamping tube 312 and the battery discharge pipe 15 is wound around one of the clamping tubes 312, and a flexible tape 314 for sealing the pipe connection gap between the clamping tube 312 and the exhaust hose 33 is also wound between the other clamping tube 312 and the exhaust hose 33.

[0046] Reference Figure 5 The air outlet rubber sleeve 32 includes an air outlet pipe 321 and an abutting ring portion 322. The abutting portion abuts against one side of the air outlet member 2. The air outlet pipe 321 is sleeved on the exhaust hose 33. To ensure the clamping effect between the exhaust hose 33 and the air outlet pipe 321, a clamping member 4 for fixing the exhaust hose 33 and the air outlet pipe 321 is also sleeved at the connection between the exhaust hose 33 and the air outlet pipe 321.

[0047] Reference Figure 6 The buckle 4 includes an inserting portion 41, a buckling portion 42 and a handle portion 43. In this embodiment, the buckle 4 is formed by an integrally formed metal sheet, and the left and right sides of the buckle 4 are symmetrical.

[0048] Reference Figure 5 and Figure 6 Both sides of the plug-in portion 41 are formed with a clamping inclined surface 411 for the air outlet pipe 321 to slide into the clamping portion 42. The inner side wall of the clamping portion 42 is attached to the outer side wall of the air outlet pipe 321, and the exhaust hose 33 is clamped and fixed to the air outlet pipe 321. The handle portion 43 is a long columnar structure, and the handle portion 43 is located on the side of the clamping portion 42 away from the plug-in portion 41.

[0049] Reference Figure 5 The gas outlet member 2 includes a gas outlet plate 21 and a filter screen 22. The gas outlet plate 21 is provided with a gas outlet hole 211 and a placement groove 212 on a side away from the exhaust component 3. The gas outlet hole 211 is used for allowing the gas exhausted by the exhaust component 3 to pass through. The filter screen 22 is detachably installed in the placement groove 212. In this embodiment, the filter screen 22 is a circular mesh structure, and the filter screen 22 covers the side of the gas outlet hole 211 away from the exhaust component 3. The abutment ring portion 322 covers the side of the gas outlet hole 211 away from the exhaust component 3.

[0050] Reference Figure 5 , a plurality of plug-in posts 221 are vertically connected to one side of the filter 22 near the air outlet rubber sleeve 32, and two clamping joints 222 are fixedly connected to one end of the plug-in post 221 away from the filter 22, and the air outlet plate 21 is provided with a first through hole 213 for the clamping joint 222 to pass through, and the abutting ring portion 322 is provided with a second through hole 323 for the clamping joint 222 to pass through and corresponding to the first through hole 213, and the abutting ring portion 322 is also formed with a clamping ring portion 324 for the clamping joint 222 to clamp. In this embodiment, the filter 22 is fixedly connected with four plug-in posts 221, and the two clamping joints 222 on the plug-in posts 221 are arranged axially symmetrically, and a clamping gap is provided between two adjacent clamping joints 222. When the filter screen 22 , the air outlet plate 21 and the air outlet rubber sleeve 32 need to be clamped and fixed, the plug-in column 221 is passed through the first through hole 213 and the second through hole 323 in sequence, and the clamping joint 222 is clamped on the clamping ring portion 324 .

[0051] The implementation principle of a battery exhaust device in the embodiment of the present application is:

[0052] 1. The lead-acid battery starts to work, generating a mixture containing hydrogen and electrolyte, which is discharged from the exhaust pipe 13 into the recovery box 12;

[0053] 2. Under the action of the recovery net 122, the electrolyte is recovered and the filtered gas is discharged through the battery discharge pipe 15;

[0054] 3. The gas is transported to the gas outlet 2 through the guidance of the exhaust hose 33, and is discharged into the outside air through the filter 22 installed on the gas outlet 2.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A battery exhaust device, characterized in that: The invention comprises a recovery component (1) installed on a lead-acid battery, an air outlet component (2) fixedly installed on a vehicle body, and an exhaust component (3); the exhaust component (3) is used to connect the recovery component (1) and the exhaust component (3); the air outlet component (2) comprises an air outlet plate (21) and a filter screen (22) detachably installed on a side of the air outlet plate (21) away from the exhaust component (3); the air outlet plate (21) is provided with an air outlet through hole (211), and the filter screen (22) covers the air outlet through hole (211).

2. A battery exhaust device according to claim 1, characterized in that: The exhaust assembly (3) comprises an air outlet rubber sleeve (32) for connecting the air outlet member (2), and the air outlet rubber sleeve (32) covers the air outlet through hole (211); the air outlet rubber sleeve (32) is provided with an abutting ring portion (322) for abutting the air outlet member (2); the air outlet plate (21) is provided with a placement groove (212) for placing the filter screen (22) on a side away from the exhaust assembly (3); the filter screen (22) is vertically connected to a side close to the air outlet rubber sleeve (32) A dry plug-in column (221), wherein the plug-in column (221) is provided with two clamping joints (222) at one end away from the filter screen (22), the air outlet member (2) is provided with a first through hole (213) for the clamping joint (222) to pass through, the abutment ring portion (322) is provided with a second through hole (323) for the clamping joint (222) to pass through and corresponding to the first through hole (213), and the abutment ring portion (322) is also provided with a clamping ring portion (324) for clamping the clamping joint (222).

3. A battery exhaust device according to claim 2, characterized in that: The exhaust component (3) further comprises a hose connector (31) and an exhaust hose (33) connected to the recovery component (1); the exhaust hose (33) is used to connect the hose connector (31) and the air outlet rubber sleeve (32).

4. A battery exhaust device according to claim 3, characterized in that: An air outlet pipe (321) is provided on one side of the air outlet rubber sleeve (32) close to the exhaust assembly (3), and the exhaust hose (33) is sleeved on the air outlet pipe (321).

5. A battery exhaust device according to claim 4, characterized in that: A fastener (4) for fixing the exhaust hose (33) and the exhaust pipe (321) is also installed at the connection between the exhaust hose (33) and the exhaust pipe (321); the fastener (4) comprises an inserting portion (41), a clamping portion (42) and a handle portion (43); the inserting portion (41) is provided with a clamping inclined surface (411) for allowing the exhaust hose (33) to slide into the clamping portion (42); the clamping portion (42) is used for clamping and fixing the exhaust hose (33) and the exhaust pipe (321).

6. A battery exhaust device according to claim 3, characterized in that: The recovery assembly (1) comprises a battery discharge pipe (15) mounted on a lead-acid battery and used for fixedly connecting to the hose connector (31); the hose connector (31) comprises a connecting pipe (311) and two clamping pipes (312) connected to both ends of the connecting pipe (311); the battery discharge pipe (15) is sleeved on one of the clamping pipes (312), and the exhaust hose (33) is sleeved on the other of the clamping pipes (312); a plurality of clamping protrusions (313) are arranged at intervals on the outer side wall of the clamping pipe (312).

7. A battery exhaust device according to claim 6, characterized in that: A flexible adhesive tape (314) for sealing a pipe connection gap between the clamping tube (312) and the battery discharge tube (15) is wound around one of the clamping tubes (312), and a flexible adhesive tape (314) for sealing a pipe connection gap between the clamping tube (312) and the exhaust hose (33) is also wound between the other clamping tube (312) and the exhaust hose (33).

8. A battery exhaust device according to claim 3, characterized in that: The recovery component (1) also includes an exhaust pipe (13), a recovery box (12) for recovering electrolyte carried in the exhaust gas of the lead-acid battery, and a return pipe (14); the exhaust pipe (13) is used to connect the lead-acid battery and the recovery box (12), and the exhaust pipe (13) is connected to the side of the recovery box (12); the return pipe (14) is used to connect the lead-acid battery and the recovery box (12), and the return pipe (14) is fixedly connected to the bottom of the recovery box (12).

9. A battery exhaust device according to claim 8, characterized in that: The recovery box (12) comprises a box body (121), a plurality of recovery nets (122) fixedly connected to the inner wall of the box body (121), and a plurality of recovery baffles (123) fixedly connected to the side wall of the box body (121), two recovery baffles (123) are arranged between two adjacent recovery nets (122), and the recovery baffles (123) are used to guide the electrolyte recovered by the recovery nets (122) to the reflux pipe (14).

10. A battery exhaust device according to claim 9, characterized in that: The recovery box (12) is provided with a reflux port connected to the reflux pipe (14) on one side thereof, and the reflux port is provided therethrough. The recovery box (12) is provided with a guide inclined surface (124) in the circumferential direction of the reflux port.

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