CN218916950U - Exhaust gas collecting device for battery combustion test - Google Patents

Abstract

The utility model discloses a battery combustion test waste gas collecting device, which comprises a collecting chamber, wherein one side of the upper end of the collecting chamber is fixedly connected with a nitrogen transportation pipe, one side of the lower end of the collecting chamber is fixedly connected with an air inlet pipe, one side of the collecting chamber is fixedly connected with a fan, one side of the collecting chamber, which is far away from the fan, is fixedly connected with an insertion pipe, one side of the insertion pipe is clamped with a collecting bottle, one side of the collecting chamber, which is close to the collecting bottle, is fixedly connected with an inclined plate, and the upper end of the inclined plate is provided with an adaptive cleaning plate, and the beneficial effects of the utility model are that: through the inertia that utilizes nitrogen gas, mix nitrogen gas and combustion products in the collecting chamber, reduce the temperature rapidly and make the composition unchanged to utilize servo motor to clean board to clean collecting chamber one side, make the smoke and dust can get into collecting bottle and gather, make the collecting bottle can completely collect useless flue gas.

Description

Exhaust gas collecting device for battery combustion test

Technical Field

The utility model relates to the technical field of battery combustion tests, in particular to a waste gas collecting device for a battery combustion test.

Background

In the battery thermal runaway experiment, the components and other combustion products of the exhaust gas analysis of the battery are collected, and the subsequent battery safety performance analysis work is necessary.

At present, a sampling bottle or a sampling bag is often used as a gas collecting device, and a suction type method is used, namely, the sampling bottle or the sampling bag is vacuumized before sampling, and the gas is taken out by utilizing pressure difference. The device is used for collecting combustion products of the constant volume combustion bomb, and has the following defects: the device can not completely sample, the pressure of the constant volume combustion bomb and the sampling bottle can be balanced, and the residual gas can not be taken out: in the process that the combustion products pass through the sampling pipeline during sampling, the components in the combustion products with high temperature and the amounts of the components can be changed, and the finally taken gas and the gas which is wanted to be collected are very different, so that a waste gas collecting device for a battery combustion test is needed to solve the problem.

Disclosure of Invention

The utility model aims to provide a battery combustion test exhaust gas collecting device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a battery combustion test exhaust gas collection device, includes the collecting chamber, collecting chamber upper end one side fixed connection nitrogen gas transportation pipe, collecting chamber lower extreme one side fixed connection intake pipe, collecting chamber one side fixed connection fan, collecting chamber keep away from fan one side fixed connection intubate, intubate one side card is received the collection bottle, is close to collecting bottle one side fixed connection hang plate in the collecting chamber, hang plate upper end is equipped with the sweeping board of looks adaptation.

As a preferred technical scheme of the utility model: the upper end and the lower end of the insertion pipe are connected with threaded rods in a threaded manner, the threaded rods are mutually close to one side and are rotationally connected with clamping rings, and the clamping rings clamp the collecting bottle.

As a preferred technical scheme of the utility model: the clamping rings are arc-shaped, and the two clamping rings can be assembled into a ring shape.

As a preferred technical scheme of the utility model: the upper end of the cleaning plate is fixedly connected with a movable rod, the upper end of the cleaning plate is fixedly connected with a movable ring, a screw rod is connected in the movable ring in a threaded manner, one side of the screw rod is fixedly connected with a first gear, the first gear is in transmission connection with a second gear through a transmission belt, and one side of the second gear is fixedly connected with a servo motor.

As a preferred technical scheme of the utility model: the collecting chamber upper end fixed connection protection frame, first gear and second gear are all installed in the protection frame.

As a preferred technical scheme of the utility model: the servo motor is fixedly connected with the upper end of the collecting chamber through the motor case.

Compared with the prior art, the utility model has the beneficial effects that: through the inertia that utilizes nitrogen gas, mix nitrogen gas and combustion products in the collecting chamber, reduce the temperature rapidly and make the composition unchanged to utilize servo motor to clean board to clean collecting chamber one side, make the smoke and dust can get into collecting bottle and gather, make the collecting bottle can completely collect useless flue gas.

Drawings

FIG. 1 is a schematic partial cross-sectional view of a body structure of the present utility model;

FIG. 2 is a schematic view of a first gear and second gear connection structure according to the present utility model;

fig. 3 is a schematic view of the connection structure of the sweeping plate and the moving rod of the present utility model.

In the figure: 1. a collection chamber; 2. an air inlet pipe; 3. a nitrogen gas transport tube; 4. a blower; 5. a cannula; 51. a threaded rod; 52. a clamping ring; 6. a collection bottle; 7. a moving rod; 8. a cleaning plate; 9. a servo motor; 10. a second gear; 11. a transmission belt; 12. a first gear; 13. a screw rod; 14. a moving ring; 15. and (5) protecting the frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, this embodiment provides a waste gas collecting device for a battery combustion test, including a collecting chamber 1, at present, for the waste gas collecting device used in the battery combustion test, a suction type is generally adopted, a sampling bottle or a sampling bag is vacuumized before sampling, and gas is taken out by using a pressure difference, but in this manner, a situation that complete sampling cannot occur, and the temperature of flue gas is higher during battery combustion, if the phenomenon of bottle frying occurs during direct collection, the phenomenon of bottle frying occurs, therefore, in order to solve the problem, one side of the upper end of the collecting chamber 1 is fixedly connected with a nitrogen transportation pipe 3, one side of the lower end of the collecting chamber 1 is fixedly connected with an air inlet pipe 2, one side of the inner side of the collecting chamber 1 is fixedly connected with a fan 4, one side of the collecting chamber 1 is far away from a cannula 5, one side of the cannula 5 is blocked to receive a collection bottle 6, one side of the collecting chamber 1 is fixedly connected with a tilting plate near the collection bottle 6, and the upper end of the tilting plate is provided with an adaptive cleaning plate 8.

Through using nitrogen gas transportation pipe 3 transportation nitrogen gas to get into and cool down and mix to the flue gas in the collecting chamber 1 for the flue gas can remain completely, avoids the high temperature to appear some chemical reaction etc. and convenient subsequent experiment, and fan 4 and the clean board 8 structure of setting can help useless flue gas to get into in the collecting flask 6.

Specifically, when collecting with the collecting bottle 6, if the connection between the collecting bottle 6 and the collecting chamber 1 is not stable enough, the gas leakage will be caused, so the threaded rod 51 is connected to the upper end and the lower end of the insertion tube 5, the threaded rod 51 is close to each other, the clamping ring 52 is connected to rotate on one side, the clamping ring 52 clamps the collecting bottle 6, the clamping ring 52 is arc-shaped, the two clamping rings 52 can be assembled into a ring shape, and when in use, the collecting bottle 6 is clamped by the clamping ring 52 through the rotation of the threaded rod 51, so that the collecting bottle 6 can be conveniently used for collecting waste gas.

Example two

Referring to fig. 1-3, a further improvement was made over example 1:

after using nitrogen gas to cool down the flue gas, part smoke and dust in the flue gas can fall into the lower extreme of collecting chamber 1, in order to collect the flue gas completely, has set up and has cleaned board 8 to collecting chamber 1 to at cleaning board 8 upper end fixed connection movable rod 7, upper end fixed connection movable ring 14, threaded connection lead screw 13 in the movable ring 14, lead screw 13 one side fixed connection first gear 12, first gear 12 passes through drive belt 11 transmission connection second gear 10, second gear 10 one side fixed connection servo motor 9, servo motor 9 passes through motor case and collecting chamber 1 upper end fixed connection.

The second gear 10 is driven to rotate by the servo motor 9, the second gear 10 drives the first gear 12 to rotate, the screw rod 13 drives the movable ring 14 to move and the movable rod 7 at the lower end to move, and the movable rod 7 drives the cleaning plate 8 to clean dust on the inclined plate, so that the collecting bottle 6 can completely collect waste smoke.

The upper end of the collecting chamber 1 is fixedly connected with a protection frame 15, and the first gear 12 and the second gear 10 are both arranged in the protection frame 15, so that the protection frame 15 can protect the first gear 12 and the second gear 10.

When the utility model is used, the collecting bottle 6 is inserted into the insertion pipe 5 and aligned with the collecting chamber 1, then the two threaded rods 51 are rotated, the threaded rods 51 drive the clamping ring 52 to move, the clamping ring 52 clamps the bottle mouth of the collecting bottle 6, after the battery burns, waste gas enters from the air inlet pipe 2 and enters the collecting chamber 1, after the waste gas enters, the control valve of the nitrogen transportation pipe 3 is opened, nitrogen gas can enter the collecting chamber 1, the waste gas is cooled, meanwhile, the fan 4 is started, the mixing of the waste gas and the nitrogen gas is accelerated, the cooling collection is facilitated, the fan 4 can mix the cooled waste gas, then the servo motor 9 is started, the servo motor 9 drives the second gear 10 to rotate, the second gear 10 drives the first gear 12 to rotate, the lead screw 13 drives the moving ring 14 to move, and drives the moving rod 7 at the lower end to move, and the moving rod 7 drives the cleaning plate 8 to clean dust on the inclined plate, so that the collecting bottle 6 can completely collect waste smoke.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a battery combustion test exhaust gas collection device, includes collection room (1), its characterized in that, collection room (1) upper end one side fixed connection nitrogen gas transportation pipe (3), collection room (1) lower extreme one side fixed connection intake pipe (2), one side fixed connection fan (4) in collection room (1), collection room (1) keep away from fan (4) one side fixed connection intubate (5), intubate (5) one side joint collecting bottle (6), be close to collecting bottle (6) one side fixed connection hang plate in collection room (1), hang plate upper end is equipped with cleaning board (8) of looks adaptation.

2. The exhaust gas collecting device for the battery combustion test according to claim 1, wherein the upper end and the lower end of the insertion tube (5) are connected with threaded rods (51) in a threaded mode, the threaded rods (51) are connected with clamping rings (52) in a rotating mode on the side, close to each other, of the threaded rods (51), and the clamping rings (52) clamp the collecting bottle (6).

3. The exhaust gas collecting device for the battery combustion test according to claim 2, wherein the clamping rings (52) are arc-shaped, and the two clamping rings (52) can be assembled into a ring shape.

4. The battery combustion test exhaust gas collecting device according to claim 1, wherein the upper end of the cleaning plate (8) is fixedly connected with the movable rod (7), the upper end of the cleaning plate is fixedly connected with the movable ring (14), the movable ring (14) is internally and spirally connected with the screw rod (13), one side of the screw rod (13) is fixedly connected with the first gear (12), the first gear (12) is in transmission connection with the second gear (10) through the transmission belt (11), and one side of the second gear (10) is fixedly connected with the servo motor (9).

5. The battery combustion test exhaust gas collecting device according to claim 4, wherein the upper end of the collecting chamber (1) is fixedly connected with a protective frame (15), and the first gear (12) and the second gear (10) are both installed in the protective frame (15).

6. The exhaust gas collecting device for the battery combustion test according to claim 4, wherein the servo motor (9) is fixedly connected with the upper end of the collecting chamber (1) through a motor case.

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