CN219104474U - Abnormal gas accumulation detection device for carriage in running process - Google Patents

Abstract

The utility model relates to the technical field of compartment gas detection, in particular to a detection device for abnormal gas accumulation in a compartment during driving, which includes a gathering tube arranged on the top of the compartment, and a gathering channel is arranged in the gathering tube through a gathering plate, and the gathering channel The bottom is provided with a mounting hole that communicates with the interior of the compartment, and a mounting tube is provided in the mounting hole, one end of the mounting tube extends to the interior of the compartment, and a gas detection device is installed in the mounting tube through a mounting plate. The utility model arranges the accumulation cylinder and the gas detection device on the carriage, uses the Bernoulli principle to extract the gas in the carriage, and promotes the gas in the carriage to gather in the collection cylinder, which can realize the efficient and fast detection of the gas in the carriage, and can find the carriage as soon as possible Abnormal gas inside, prevent problems before they happen.

Description

A device for detecting abnormal gas accumulation in a compartment during driving

technical field

The utility model relates to the technical field of compartment gas detection, in particular to a compartment abnormal gas accumulation detection device during driving.

Background technique

Today, with the rapid development of the logistics industry, there are many types of goods transported by road, and there may be accidents such as toxic and harmful gas leakage in the carriage, and spontaneous combustion of goods. In order to detect the precursors of accidents in the process of transporting goods by trucks, it is often necessary to install gas detectors in the compartments, so that the drivers can know in time whether there is abnormal gas in the compartments, stop and check in time, and take measures to prevent accidents. However, due to the relatively closed compartment of the truck and the tight packing of the goods, the air circulation is not smooth, and the abnormal gas often accumulates near the gushing object at the initial stage. When the abnormal gas appears near the gas detector, the generation or leakage of the abnormal gas has stopped Difficult to control.

At present, there is no device for abnormal gas accumulation and detection in the compartment. Among the previous utility models, the utility model patent with the Chinese patent announcement number CN104730119A provides a method for detecting gas in the cabin, which does not involve how to strengthen the collection of abnormal gases such as CO in the car; the Chinese patent announcement number is CN108808045A The utility model patent provides a combustible gas leakage detection device in a long-tube trailer compartment. The device judges whether there is a combustible gas leakage by setting a gas storage pipe and checking the oxygen consumption in the gas storage pipe, but it does not involve how to speed up the leakage of combustible gas. Collection, improve detection efficiency and other issues.

Utility model content

Aiming at the shortcomings in the above-mentioned background technology, the utility model proposes a detection device for abnormal gas accumulation in the carriage during driving. By installing an accumulation cylinder and a gas detection device on the carriage, the gas in the carriage is extracted by using the Bernoulli principle, and the gas in the carriage is urged to The gas gathers in the accumulation tube, which can realize the efficient and rapid detection of the gas in the compartment, and can find the abnormal gas in the compartment as soon as possible, so as to prevent problems before they happen.

The technical scheme of the utility model is achieved in that:

A device for detecting abnormal gas accumulation in a carriage during driving, comprising a collection cylinder arranged on the top of the carriage, a collection channel is formed in the collection cylinder through a collection plate, and an installation hole communicated with the inside of the carriage is opened at the bottom of the collection passage, and a mounting hole is provided in the installation hole. The installation cylinder, one end of the installation cylinder extends to the interior of the compartment, and a gas detection device is arranged in the installation cylinder through the installation plate.

Further, there are two gathering plates, the two gathering plates are arranged opposite to each other, and the gathering channel formed by the two gathering plates on the horizontal plane is an hourglass-shaped channel with wide ends and narrow middle.

Further, a dust-proof frame is provided at one end of the accumulation cylinder facing the forward direction of the compartment, and a plurality of support rods are arranged at equal intervals in the dust-proof frame, and a dust-proof net is attached to the side of the plurality of support rods facing the outside of the accumulation cylinder.

Further, the end of the accumulation cylinder facing the forward direction of the compartment is a streamlined arc-shaped end, the dust-proof frame is an arc-shaped frame that matches the arc-shaped end of the accumulation cylinder, and the support rod is connected to the dust-proof frame. Fitting curved rods.

Further, an inspection hole is provided on the top of the collecting cylinder, and the inspection hole corresponds to the installation hole, and a detachable cover plate is provided on the top surface of the collecting cylinder to close the inspection hole.

Further, the installation cylinder is provided with a secondary dust baffle facing one end of the accumulation channel.

Further, a detachable rainwater diversion assembly is provided at the end of the installation cylinder far away from the collection cylinder, the rainwater diversion assembly includes an anti-foreign matter retaining cylinder, a collecting bucket and a diversion pipe, and a There are a number of vents, the anti-foreign matter retaining sleeve is set on the end of the installation cylinder extending to the interior of the compartment, the collecting bucket is installed at the bottom of the anti-foreign matter retaining cylinder, one end of the diversion pipe is connected to the discharge end of the collecting bucket, and the other end extends to the compartment outside.

Further, the gas detection device is a waterproof fixed detection device with an alarm.

Further, a power generating mechanism is provided inside the collecting tube, and the generating mechanism includes a thrust fan, a generator and an energy storage power supply, and the generator is installed in the energy storage cavity formed between the collecting plate and the side wall of the collecting tube to generate electricity. The input shaft of the engine runs through the collecting plate, the thrust fan is set in the collecting channel and installed on the input shaft of the generator, the thrust fan is located on the side of the installation cylinder away from the rear of the carriage, the windward side of the thrust fan faces the forward direction of the carriage, and the storage The energy power supply is arranged in the energy storage cavity, the generator is connected to the energy storage power supply through a rectifier, and the energy storage power supply is electrically connected to the gas detection device to provide power for the gas detection device.

Further, the energy storage power supply is provided with a charging interface capable of being electrically connected to an external charging device.

The beneficial effects of the utility model are:

1. During the driving process of the vehicle, the wind entering the gathering channel will be gathered into the thinner channel, which can increase the flow velocity of the wind. According to Bernoulli's principle, it can be known that the faster the flow velocity of the fluid, the smaller the pressure inside the fluid, so that The pressure difference between the accumulating cylinder and the cabin is relatively large, which in turn accelerates the speed at which the air in the compartment passes through the installation cylinder and flows into the accumulation cylinder, so that the gas detection device in the installation cylinder can detect the gas faster and more efficiently. When abnormal gas exists, the gas detection device alarm can inform the driver of the gas situation in the compartment in advance, so as to prevent problems before they happen.

2. The streamlined gathering tube can reduce the wind resistance, thereby reducing the energy consumption of the vehicle by the utility model.

3. The setting of the inspection hole is more convenient for people to repair or replace the gas detection device.

4. The dust-proof net can prevent foreign matter from entering the accumulation cylinder when the vehicle is running and the accumulation cylinder is normally ventilated. The secondary dust baffle can prevent foreign matter from entering the interior of the compartment from the installation cylinder, reducing the impact of foreign matter on the interior of the compartment. damage to the goods.

5. The rainwater diversion component can prevent rainwater from entering the interior of the compartment from the collection tube, and avoid damage to the goods in the compartment.

6. The power generation mechanism can provide electric energy for the gas detection device. At the same time, the charging interface on the energy storage power supply can be electrically connected to the external charging equipment, thereby ensuring sufficient power of the energy storage power supply and normal operation of the gas detection device. Moreover, power generation The utility model increases the utilization rate of wind energy and reduces the energy supply requirement of the utility model for the vehicle.

Description of drawings

In order to illustrate the embodiment of the utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the external structure schematic diagram that the utility model is arranged on the compartment;

Fig. 2 is the sectional structural schematic diagram on the horizontal direction of the utility model;

Fig. 3 is the enlarged schematic view of part A in Fig. 2;

Fig. 4 is a partial cross-sectional view of the installation of the installation cylinder between the accumulation cylinder and the compartment of the utility model;

Fig. 5 is provided with the gas flow diagram in the compartment of the utility model;

Fig. 6 is a schematic diagram of a partial cross-sectional structure of the dustproof frame in the vertical direction;

Fig. 7 is a partial cross-sectional view of the rainwater diversion assembly in the present invention.

In the figure, 1. Compartment; 2. Gathering cylinder; 21. Gathering plate; 22. Gathering channel; 23. Installation hole; 24. Installation cylinder; 25. Fixing plate; 26. Inspection hole; 27. Cover plate; 3. Gas Detecting device; 41. Dust-proof frame; 42. Support rod; 43. Dust-proof net; 44. Secondary dust baffle; Flow tube; 511, air vent; 6, power generating mechanism; 61, thrust fan; 62, generator; 63, energy storage power supply; 7, energy storage cavity.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

Referring to Fig. 1 and Fig. 2, a detection device for abnormal gas accumulation in a compartment during driving includes an accumulating tube 2 arranged on the top of the compartment 1, and two accumulating plates 21 are fixed inside the accumulating tube 2, and the accumulating plates 21 can be folded. plate or curved plate. Two collecting plates 21 are arranged oppositely on the same horizontal plane, forming an hourglass-shaped collecting channel 22 with wide ends and narrow middle. In this embodiment, the gathering plate 21 is a folded plate, and the wind entering the gathering channel 22 will be gathered into the thinner channel formed by the two gathering plates 21 during the running of the vehicle, which can increase the flow velocity of the wind.

Referring to FIG. 3 and FIG. 4 , the bottom of the accumulation channel 22 is provided with an installation hole 23 communicating with the interior of the compartment 1 , and the installation hole 23 is located in the middle of the accumulation channel 22 . The top of the compartment 1 is provided with a perforation corresponding to the mounting hole 23, and the mounting hole 23 is provided with a mounting tube 24, and the mounting tube 24 is detachably installed on the bottom inner tube wall of the collecting tube 2 by bolts. One end of the mounting tube 24 passes through the hole and extends to the interior of the compartment 1 . A vertically arranged mounting plate is fixed inside the mounting cylinder 24 , and the mounting plate is located in the middle of the mounting cylinder 24 . A gas detection device 3 is detachably mounted on the mounting plate through bolts.

The gas detection device 3 is a waterproof fixed type detection device with an alarm. Further, it can be selected as a Chinese patent, and the publication number is a kind of anti-corrosion and waterproof gas detection alarm proposed by CN210109998U. When selecting this gas detection alarm During instrumentation, the wall mount of the gas detection and alarm device is fixed on the mounting plate by screws, and the air intake pipe of the gas detection and alarm device faces the interior of the compartment 1.

Referring to Fig. 4 and Fig. 5, during the running of the vehicle, the wind accelerated by the gathering tube 2 flows over the installation tube 24, and according to Bernoulli's principle, the faster the flow velocity of the fluid, the lower the pressure in the fluid. Therefore, during the running of the vehicle, the accumulation tube 2 will be in a negative pressure state. At this time, the pressure in the compartment 1 is relatively high, and the gas in the compartment 1 will be pumped from the installation tube 24 into the accumulation tube 2, and flow through the installation tube 24. The gas will be detected by the gas detection device 3 to determine whether it is an abnormal gas. When an abnormal gas is found, the gas detection device 3 with its own alarm function will send an alarm to the driver to let the driver discharge the dangerous factor in advance.

Since the gathering tube 2 gathers the wind outside the compartment 1 into a channel with a small cross-sectional area, the wind speed is greater than the wind speed outside the gathering channel 22, which in turn makes the pressure difference between the compartment 1 and the gathering tube 2 It is also larger, so that the gas in the compartment 1 can flow to the accumulation tube 2 more quickly, so that the gas detection device 3 can contact the gas in the compartment 1 earlier, compared with the general gas detection device 3 installed inside the compartment 1 Therefore, it is possible to judge the gas in the compartment 1 faster and more efficiently. At the same time, the accelerated outflow of gas inside compartment 1 relies on physical principles, and no additional equipment for extracting gas is needed, which reduces additional energy consumption.

Referring to Fig. 1 and Fig. 4, there is an inspection hole 26 on the top of the collecting cylinder 2, the aperture of the inspection hole 26 is larger than the aperture of the installation hole 23, and the inspection hole 26 and the installation hole 23 are arranged coaxially and correspondingly. The top surface of the collecting cylinder 2 is provided with a detachable cover plate 27 for closing the inspection hole 26 . The cover plate 27 is installed on the top of the collecting cylinder 2 by bolts. When people need to maintain or replace the gas detection device 3 , the gas detection device 3 can be easily removed from the installation cylinder 24 by removing the cover plate 27 , which is more convenient for the maintenance of the gas detection device 3 .

Example 2:

This embodiment is a further improvement made on the basis of Embodiment 1.

Referring to Fig. 1 and Fig. 6, in this embodiment, one end of the collecting tube 2 facing the advancing direction of the compartment 1 is a streamlined arc end, and this end is provided with a dustproof frame 41 matching the arc end. The dust-proof frame 41 is provided with a plurality of support rods 42, the support rods 42 are arc-shaped rods adapted to the arc-shaped frame, and the plurality of support rods 42 are all arranged horizontally, and the arc length along the end of the collecting tube 2 is uniform distributed. A dust-proof net 43 is attached to the side of the plurality of evenly distributed support rods 42 facing the outside of the collecting cylinder 2 . The dust-proof net 43 can prevent foreign matter from entering the accumulation cylinder 2 when the accumulation cylinder 2 is normally ventilated during the running of the vehicle.

Referring to FIG. 4 , the installation cylinder 24 is provided with a secondary dust shield 44 facing one end of the accumulation channel 22 . The secondary dust shield 44 can prevent foreign matter from entering the interior of the compartment 1 from the installation cylinder 24 .

Example 3:

This embodiment is a further improvement made on the basis of embodiment 1 or embodiment 2.

Referring to FIG. 4 and FIG. 7 , in this embodiment, the end of the installation tube 24 away from the collecting tube 2 , that is, the end extending into the interior of the compartment 1 is provided with a detachable rainwater diversion assembly 5 . The rainwater diversion assembly 5 includes an anti-foreign matter retaining cylinder 51 , a collecting bucket 52 and a diversion pipe 53 . The wall of the anti-foreign body retaining cylinder 51 is provided with several vents 511, the vents 511 can prevent the foreign matter in the compartment 1 from entering the anti-foreign matter retaining cylinder 51, and can ensure that the air in the compartment 1 normally flows into the installation cylinder 24. The anti-foreign matter blocking cylinder 51 is sleeved on one end of the installation cylinder 24 extending to the interior of the compartment 1, and is detachably connected to the installation cylinder 24 by bolts. The collecting bucket 52 is arranged at the bottom of the anti-foreign matter retaining cylinder 51, the big end of the collecting bucket 52 is fixedly connected with the bottom of the anti-foreign matter retaining cylinder 51, and the small end of the collecting bucket 52, that is, the discharge end is fixed to one end of the draft tube 53 Connected, the end of the guide pipe 53 away from the collecting bucket 52 extends to the outside of the compartment 1 .

When it rains, when the vehicle is moving, because the air velocity above the installation cylinder 24 is fast, very little rainwater will enter the installation cylinder 24, but it is still not guaranteed that rainwater will flow into the installation cylinder 24 from the gathering cylinder 2. When there is rainwater flowing into the installation cylinder 24, the rainwater flowing to the installation cylinder 24 will pass through the installation cylinder 24 and the anti-foreign object blocking cylinder 51 and fall into the collection bucket 52, and then be drained under the action of the guide tube 53 To the outside of the compartment 1, avoiding rainwater falling directly into the compartment 1, and avoiding rainwater damage to the goods.

Example 4:

This embodiment is a further improvement made on the basis of embodiment 1, embodiment 2 or embodiment 3.

Referring to FIG. 2 and FIG. 3 , in this embodiment, a power generating mechanism 6 is arranged inside the collecting cylinder 2 , and the power generating mechanism 6 includes a thrust fan 61 , a generator 62 and an energy storage power supply 63 . The two collecting plates 21 and the side walls on both sides of the collecting tube 2 form two energy storage cavities 7 , and the generator 62 is installed in one energy storage cavity 7 . The generator 62 is located at the side of the installation tube 24 close to the rear of the carriage. The input shaft of the generator 62 is parallel to the transverse direction of the carriage.

The thrust fan 61 is arranged in the accumulation channel 22 and installed on the input shaft of the generator 62 . A plurality of thrust fans 61 can be provided, and the plurality of thrust fans 61 are all located on the side of the installation tube 24 close to the rear of the compartment. The windward side of the thrust fan 61 faces the forward direction of the compartment 1, and a plurality of thrust fans 61 are evenly distributed along the length direction of the input shaft of the generator 62. During the running of the vehicle, the wind flowing through the collecting tube 2 can drive the thrust fan 61 to rotate, and then drive the generator 62 to generate electricity.

The energy storage power supply 63 is installed in the energy storage cavity 7 , and the generator 62 and the gas detection device 3 are both electrically connected to the energy storage power supply 63 . The generator 62 stores electric energy in the energy storage power supply 63 through rectification components, and the energy storage power supply 63 can supply power for the gas detection device 3 to ensure the normal operation of the gas detection device 3 .

In addition, the energy storage power supply 63 is also provided with a charging interface (not shown in the figure) that can be connected to an external charging device to ensure sufficient power of the energy storage power supply 63 and normal operation of the gas detection device 3 . At the same time, because the arrangement of the generator 62 also increases the utilization rate of wind energy, reducing the demand for energy supply to the vehicle.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. The utility model provides a carriage abnormal gas gathers detection device in driving, its characterized in that: the device comprises a gathering cylinder (2) arranged at the top of a carriage (1), wherein a gathering channel (22) is formed in the gathering cylinder (2) through a gathering plate (21), a mounting hole (23) communicated with the inside of the carriage (1) is formed in the bottom of the gathering channel (22), a mounting cylinder (24) is arranged in the mounting hole (23), one end of the mounting cylinder (24) extends into the carriage (1), and a gas detection device (3) is arranged in the mounting cylinder (24) through a mounting plate.

2. The device for detecting abnormal gas accumulation in a vehicle cabin during traveling according to claim 1, wherein: the two aggregation plates (21) are arranged oppositely, and the aggregation channels (22) formed by the two aggregation plates (21) on the horizontal plane are hourglass-shaped channels with wide ends and narrow middle parts.

3. The vehicle cabin abnormal gas accumulation detection apparatus during traveling according to claim 1 or 2, wherein: one end of the gathering cylinder (2) facing the advancing direction of the carriage (1) is provided with a dustproof frame (41), a plurality of supporting rods (42) are arranged in the dustproof frame (41) at equal intervals, and a dustproof net (43) is attached to one side of the plurality of supporting rods (42) facing the outside of the gathering cylinder (2).

4. A vehicle abnormal gas accumulation detecting apparatus in a traveling process according to claim 3, wherein: the one end that gathers section of thick bamboo (2) towards carriage (1) advancing direction is streamlined arc end that sets up, dustproof frame (41) be with gather the arc frame of arc end looks adaptation of section of thick bamboo (2), bracing piece (42) be with the arc member of dustproof frame (41) looks adaptation.

5. The device for detecting abnormal air accumulation in a vehicle compartment during traveling according to any one of claims 1, 2 and 4, wherein: the top of the gathering cylinder (2) is provided with a manhole (26), the manhole (26) corresponds to the mounting hole (23), and the top surface of the gathering cylinder (2) is provided with a detachable cover plate (27) for sealing the manhole (26).

6. The device for detecting abnormal air accumulation in a vehicle cabin during traveling according to claim 5, wherein: a secondary dust plate (44) is arranged at a cylinder opening of the mounting cylinder (24) facing the gathering channel (22).

7. The vehicle cabin abnormal gas accumulation detecting device during running according to any one of claims 1, 2, 4 and 6, wherein: the utility model discloses a rainwater collection device, including installation section of thick bamboo (24), collection section of thick bamboo (2), installation section of thick bamboo (24) are kept away from one end that gathers section of thick bamboo (2) is provided with detachable rainwater water conservancy diversion subassembly (5), rainwater water conservancy diversion subassembly (5) are including preventing foreign matter fender section of thick bamboo (51), collect fill (52) and honeycomb duct (53), a plurality of vents (511) have been seted up on preventing on the section of thick bamboo wall of foreign matter fender section of thick bamboo (51), prevent that foreign matter keeps off section of thick bamboo (51) cover and establish one end that stretches to carriage (1) inside in installation section of thick bamboo (24), collect fill (52) and install in preventing that foreign matter keeps off a section of thick bamboo (51) bottom, the one end of honeycomb duct (53) is connected with the discharge end that gathers fill (52), the other end extends outside carriage (1).

8. The device for detecting abnormal air accumulation in a vehicle cabin during traveling according to claim 7, wherein: the gas detection device (3) is a waterproof fixed detection device with an alarm.

9. The vehicle cabin abnormal gas accumulation detection apparatus during running according to any one of claims 1, 2, 4, 6 and 8, characterized in that: the utility model provides a collection section of thick bamboo (2) is interior to be provided with generating mechanism (6), generating mechanism (6) include thrust fan (61), generator (62) and energy storage power supply (63), generator (62) are installed in collection board (21) and collection are gathered in energy storage cavity (7) that form between section of thick bamboo (2) lateral wall, the input shaft of generator (62) runs through collection board (21), thrust fan (61) set up in collection passageway (22) and install on the input shaft of generator (62), thrust fan (61) are located one side that installation section of thick bamboo (24) kept away from and are close to carriage (1) afterbody, the windward direction of thrust fan (61) is towards carriage (1), energy storage power supply (63) set up in energy storage cavity (7), generator (62) are connected with energy storage power supply (63) through the rectifier, energy storage power supply (63) are connected with gas detection device (3) electricity provides electric power.

10. The device for detecting abnormal air accumulation in a vehicle cabin during traveling according to claim 9, wherein: the energy storage power supply (63) is provided with a charging interface which can be electrically connected with an external charging device.

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