Emergency cooling and spraying device for battery of electric vehicle

Abstract

The utility model discloses an emergency cooling and spraying device for an electric automobile battery, which relates to the technical field of electric automobile emergency treatment and comprises a central pipe, and a first branch pipe and a second branch pipe which are distributed in parallel are fixedly mounted on the central pipe. Spray heads are fixedly installed at the positions, between the first branch pipe and the second branch pipe, of the top of the center pipe and the tops of the two sides of the first branch pipe and the second branch pipe, a sliding sleeve is slidably connected to the outer side of one end of the center pipe in a sleeving mode, and a switch is fixedly installed at one end of the sliding sleeve. According to the emergency cooling and spraying device for the battery of the electric vehicle, a first branch pipe, a second branch pipe and seven spraying heads are arranged in a matched mode, concentrated spraying can be conducted on a battery bin at the bottom of the vehicle, the fire extinguishing effect is good, and therefore fire rescue time can be won for professional rescue departments; and through sleeving sliding of the sliding sleeve and the central pipe, the whole device can be shortened, so that the device is convenient to move and store, and the use flexibility of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile emergency handling technical field, concretely for a kind of for electric automobile battery emergency cooling sprinkler. BACKGROUND

[0002] Electric automobile, it is to vehicle-mounted power as power, with motor drive travel a kind of new energy vehicle, because it has the advantages of energy conservation, environmental protection, maintenance and use cost is relatively lower, intelligent degree is higher, thereby obtains rapid development popularization, market share surges, at the same time, electric automobile charging necessary charging pile is used more and more frequently, with it is that battery will appear fire, combustion and then explosion risk in charging process, therefore, in charging site, in addition to guaranteeing cutting off power supply in first time, on-site staff also needs to intervene in short time;

[0003] But because the battery of electric automobile adopts centralized arrangement, battery compartment energy is high, once electric automobile fire, in short time, it can cause the scrapping of whole vehicle, and most of the batteries of electric automobile are installed at the bottom of vehicle body, and ordinary fire-fighting equipment generally adopts the way of spraying from high place to fire root to extinguish fire, and fire-fighting equipment is difficult to go deep into the lower part of vehicle to carry out fire extinguishing operation, which leads to that fire is difficult to be effectively controlled;

[0004] In order to overcome the above-mentioned defects, the prior art (the Chinese patent with announcement number CN220938841U and application date of 2023-09-22) a fire extinguishing device for new energy vehicle, through the design of conveying pipe, caster, high-pressure spray head, connecting assembly, handle and connecting pipe, the conveying pipe can be pushed by the handle, the conveying pipe is moved to the bottom of the on-fire vehicle by the rotation of the caster, the water curtain formed by the multiple groups of mist high-pressure water flow is sprayed to the bottom of the on-fire vehicle to carry out temperature reduction and fire extinguishing, compared with the traditional fire hose directly sprayed on the on-fire vehicle body, this scheme can spray water to the bottom of the vehicle and other places which are not easy to be directly sprayed by the fire hose, and the fire rescue effect is better for the fire rescue of the electric automobile with the battery installed at the bottom of the vehicle;

[0005] The above-mentioned technology can spray and extinguish fire on the bottom of electric automobile, but in actual working process, the device sprays and extinguishes fire on the bottom of electric automobile through the spray heads on the two pipes distributed in parallel, such structure cannot concentrate spraying on the battery compartment, leading to poor fire extinguishing effect, and the overall volume of the device is too large, which is inconvenient to move and store, and the practicability of the device is not strong;

[0006] In view of the above problems, it is urgent to make innovative design on the basis of the original equipment, therefore we put forward a kind of for electric automobile battery emergency cooling sprinkler can well solve the above problems. UTILITY MODEL CONTENTS

[0007] The purpose of this utility model is to provide an emergency cooling spray device for electric vehicle batteries, in order to solve the problems mentioned in the background art. This device uses nozzles on two parallel pipes to spray and extinguish fires on the bottom of the electric vehicle. However, such a structure cannot concentrate the spray on the battery compartment, resulting in poor fire extinguishing effect. In addition, the overall size of the device is too large, making it inconvenient to move and store, and the device is not very practical.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an emergency cooling spray device for electric vehicle batteries, comprising a central pipe;

[0009] The central tube is fixedly installed with a first branch tube and a second branch tube that are distributed in parallel. Spray nozzles are fixedly installed on the top of the central tube between the first branch tube and the second branch tube, as well as on the top of both sides of the first branch tube and the second branch tube. There are seven spray nozzles, and the whole structure is in the shape of an "I". This installation structure makes it easy to spray the battery compartment under the car in the early stage of a fire in a charging vehicle or a battery overheating failure, resulting in a better fire extinguishing effect and thus giving professional rescue departments more time for fire rescue.

[0010] A sliding sleeve is slidably connected to one end of the central tube, and a switch is fixedly installed at one end of the sliding sleeve. By sliding the sliding sleeve and the central tube together, the entire device can be shortened to facilitate movement and storage, thus improving the flexibility of the device. The switch also allows the device to be connected to a nearby fire hydrant for water supply. Simply turn the valve of the switch to open the water flow, which will flow through the sliding sleeve and the central tube to the first branch pipe and the second branch pipe, and finally spray out from each nozzle for fire extinguishing. The practicality of the device is effectively improved.

[0011] Preferably, the bottom ends of the first and second branch pipes are fixedly installed with four symmetrically distributed casters on both sides of the central pipe. The four casters make the device a movable spray device that can extend to the battery position under the vehicle. This allows 1 to 2 people to operate it quickly at the fire scene, thus serving as an effective supplement to the fire hydrant-less charging station.

[0012] Preferably, the end of the central tube is fixedly installed to the first branch tube via a tee tube, and the middle part of the central tube is fixedly installed to the second branch tube via a cross tube, thereby ensuring the overall connection stability of the device.

[0013] Preferably, one end of the sliding sleeve is provided with a fastening assembly outside the outer side of the central pipe, the fastening assembly comprises a fastening shell fixedly connected to the end face of the sliding sleeve away from the switch, the outer wall of the fastening shell is provided with a plurality of equidistantly distributed notches in the circumferential direction, the fastening shell is of a structure narrowing towards one end, and the outer wall of the middle part of the fastening shell is formed with a threaded protrusion, a threaded sleeve shell is sleeved outside the fastening shell, when the threaded sleeve shell is outside the smooth part of the narrower end of the fastening shell, the notches are normally opened, at this time, the sliding sleeve and the central pipe can be freely slid to adjust the overall length of the adjusting device, and when the threaded sleeve shell is screwed towards the threaded protrusion part of the wider end of the fastening shell, the notches are tightened, the fastening shell is inwardly contracted and tightly pressed against the outer wall of the central pipe, so that the central pipe and the switch are relatively fixed to facilitate the movement, use or storage of the device.

[0014] Preferably, the narrower end face of the fastening shell is formed with a limiting part, which can prevent the threaded sleeve shell from being separated from the sleeve connection with the fastening shell, so as to facilitate use.

[0015] Preferably, the outer side wall of one end of the central pipe inside the sliding sleeve is formed with symmetrically distributed protrusions, the inner walls of the two sides of the sliding sleeve are provided with sliding grooves matched in size with the protrusions, and the two protrusions are slidably connected to the inner sides of the corresponding sliding grooves, through the limiting sliding of the protrusions and the sliding grooves, the axial rotation between the central pipe and the sliding sleeve can be prevented, the use of the fastening assembly is facilitated, and the central pipe and the sliding sleeve are prevented from being separated.

[0016] Preferably, the inner wall edge of the sealing ring fixedly connected to the end face of one end of the central pipe inside the sliding sleeve is formed as an arc surface, and the two sides thereof are formed with protrusions matched with the protrusions, through the setting of the sealing ring, the gaps between the sliding sleeve and the central pipe and between the protrusions and the sliding grooves can be sealed, and the arc surface is used for concentrating the water flow from the sliding sleeve to the inside of the central pipe to ensure the spraying effect.

[0017] Compared with the prior art, the device has the advantages that: the device for emergency cooling and spraying of the battery of an electric vehicle is provided with a first branch pipe, a second branch pipe and seven spray heads, which can concentrate spraying on the battery compartment at the bottom of the vehicle, has better fire extinguishing effect, can save the fire fighting and rescue time for professional rescue departments, the overall device can be shortened through the sleeving and sliding of the sliding sleeve and the central pipe, the use flexibility of the device is improved, and the specific contents are as follows:

[0018] With the connection of the central pipe, the first branch pipe, the second branch pipe, and the setting of seven nozzles at the top, and the nozzles in an overall "I" shape, this installation structure makes it easy to spray the battery compartment at the bottom of the car in the early stages of a fire in a charging vehicle or a battery overheating failure, resulting in a better fire extinguishing effect and thus giving professional rescue departments more time for fire rescue.

[0019] By sliding the sleeve and the central pipe together, the entire device can be shortened to facilitate moving and storage, thus improving the flexibility of the device. Furthermore, the device can be connected to a nearby fire hydrant for water supply by turning the valve at one end of the sleeve. Simply turn the valve to open the switch, and the water will flow through the sleeve and the central pipe to the first branch pipe and the second branch pipe, and finally spray out from each nozzle for fire extinguishing. The practicality of the device is effectively improved.

[0020] The device is made of four casters at the bottom of the first and second branch pipes, making it a mobile spray device that can extend to the battery under the vehicle. This allows one or two people to operate it quickly at the scene of a fire, thus serving as an effective supplement to charging stations without fire hydrants.

[0021] By setting a fastening component, if the threaded sleeve is located on the outside of the narrower smooth part of the fastening shell, the notch is normally open. At this time, the sliding sleeve and the central tube can slide freely to adjust the overall length of the device. When the threaded sleeve is screwed toward the wider threaded protrusion of the fastening shell, the notch is tightened, and the fastening shell will shrink inward and fit tightly against the outer wall of the central tube. In this way, the central tube and the switch can be fixed relative to each other for easy movement, use, or transport and storage.

[0022] The sealing ring installed on the end face of the central tube can seal the gaps between the sliding sleeve and the central tube, as well as between the protrusion and the groove. The arc-shaped edge of the inner wall of the sealing ring can be used to concentrate the water flow from the sliding sleeve to the interior of the central tube to ensure the spraying effect. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a cross-sectional structural diagram of the sliding sleeve of this utility model;

[0025] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is an exploded structural diagram of the fastening shell and the threaded sleeve of this utility model;

[0027] Figure 5 The utility model discloses Figure 2 Amplification structural schematic diagram of middle B place;

[0028] Figure 6 The utility model discloses a structure schematic diagram of sealing ring.

[0029] In the drawing: 1, center pipe;2, first branch pipe;3, second branch pipe;4, spray head;5, universal wheel;6, three-way pipe;7, cross pipe;8, sliding sleeve;9, switch;10, fastening shell;11, notch;12, threaded sleeve shell;13, limiting portion;14, lug;15, sliding groove;16, sealing ring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a kind of for electric automobile battery emergency cooling sprinkling device, including center pipe 1;

[0032] First branch pipe 2 and second branch pipe 3 in parallel distribution are fixedly installed on center pipe 1, specifically, the end of center pipe 1 is fixedly installed with first branch pipe 2 by three-way pipe 6, and the middle of center pipe 1 is fixedly installed with second branch pipe 3 by cross pipe 7, so as to guarantee the connection stability of device whole, it needs to be specially pointed out that the overall length of center pipe 1 is 4.55m, and the overall length of first branch pipe 2 and second branch pipe 3 is 1m, since two branch pipes are symmetrically installed along center pipe 1, so the vertical spacing of both sides end of branch pipe and center pipe 1 is 0.5m, and the vertical spacing of two branch pipes is 1.1m, the numerical setting of the length and spacing of above-mentioned pipe body makes that device is generally applicable to most brand models of electric automobile on market;

[0033] Sprinklers 4 are fixedly installed on the top of the central pipe 1 between the first branch pipe 2 and the second branch pipe 3, and on the top of both sides of the first branch pipe 2 and the second branch pipe 3. There are seven sprinklers 4, and the whole structure is in the shape of "I". This installation structure makes it easy to spray the battery compartment under the car in the early stage of a fire or battery overheating failure of a charging vehicle, resulting in better fire extinguishing effect and thus buying time for professional rescue departments. In addition, four symmetrically distributed casters 5 are fixedly installed on the bottom of the first branch pipe 2 and the second branch pipe 3 on both sides of the central pipe 1. The setting of the four casters 5 makes the device a movable spray device that can extend to the battery position under the car. This makes it easy for 1-2 people to operate quickly at the fire scene, thus serving as an effective supplement to the charging station without fire hydrants.

[0034] A sliding sleeve 8 is slidably connected to one end of the central pipe 1. A switch 9 is fixedly installed at one end of the sliding sleeve 8. By sliding the sliding sleeve 8 and the central pipe 1, the entire device can be shortened to facilitate moving and storage, thus improving the flexibility of the device. The switch 9 allows the device to be connected to a nearby fire hydrant for water supply. Simply turn the valve of the switch 9 to allow water to flow sequentially through the sliding sleeve 8 and the central pipe 1 to the first branch pipe 2 and the second branch pipe 3, and finally spray out from each nozzle 4 for fire extinguishing. The practicality of the device is effectively improved.

[0035] Example 2

[0036] Based on Embodiment 1, a fastening assembly is provided at one end of the sliding sleeve 8 outside the central tube 1. The fastening assembly includes a fastening shell 10 fixedly connected to the end face of the sliding sleeve 8 away from the switch 9. The outer wall of the fastening shell 10 has several circumferentially equidistant notches 11. The fastening shell 10 has a structure that narrows towards one end, and a threaded protrusion is formed on the middle outer wall of the fastening shell 10. A threaded sleeve 12 is fitted onto the outer side of the fastening shell 10. A limiting part 13 is formed on the narrower end face of the fastening shell 10. The limiting part 13 can prevent the threaded sleeve 12 from being fixed. Disconnect from the fastening housing 10 for easy use. If the threaded sleeve 12 is located outside the smooth part of the narrow end of the fastening housing 10, the notch 11 is normally open. At this time, the sliding sleeve 8 and the central tube 1 can slide freely to adjust the overall length of the device. When the threaded sleeve 12 is screwed toward the wider threaded protrusion of the fastening housing 10, the notch 11 is tightened, and the fastening housing 10 will shrink inward and fit tightly against the outer wall of the central tube 1. In this way, the central tube 1 and the switch 9 can be fixed relative to each other for easy movement, use, or transport and storage.

[0037] Meanwhile, the outer wall of one end of the center pipe 1 inside the sliding sleeve 8 is formed with protrusions 14 distributed symmetrically, the inner walls of both sides of the sliding sleeve 8 are provided with sliding grooves 15 matched with the protrusions 14 in size, the two protrusions 14 are slidingly connected to the inner sides of the corresponding sliding grooves 15, and the limiting sliding of the protrusions 14 and the sliding grooves 15 can prevent the axial rotation between the center pipe 1 and the sliding sleeve 8, thereby facilitating the use of the fastening assembly and avoiding the disconnection between the center pipe 1 and the sliding sleeve 8.

[0038] In addition, the inner wall edge of the sealing ring 16 is formed as an arc surface, and the two sides thereof are formed with protrusions matched with the protrusions 14, the sealing ring 16 is arranged to seal the gaps between the sliding sleeve 8 and the center pipe 1 and between the protrusions 14 and the sliding grooves 15, and the arc surface is used to concentrate the water flow from the sliding sleeve 8 to the inside of the center pipe 1, so as to ensure the spraying effect.

[0039] In the description of the utility model, it needs to be explained that, unless there is definite provision and limitation, the terms "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An emergency cooling spray device for electric vehicle battery, comprising a center pipe (1); characterized in that The center pipe (1) is fixedly installed with first branch pipe (2) and second branch pipe (3) in parallel distribution, the top of the center pipe (1) is located between the first branch pipe (2) and the second branch pipe (3) and the top of both sides of the first branch pipe (2) and the second branch pipe (3) is fixedly installed with spray head (4), the spray head (4) is provided with seven and the whole is "G" type structure; One end of the center pipe (1) is slidably sleeved with a sliding sleeve (8), one end of the sliding sleeve (8) is fixedly installed with a switch (9); The one end of the sliding sleeve (8) is located outside the center pipe (1) and provided with a fastening assembly, the fastening assembly comprises a fastening shell (10) fixedly connected to the end face of the sliding sleeve (8) away from the switch (9), a plurality of circumferentially equidistant notches (11) are formed in the outer wall of the fastening shell (10), the fastening shell (10) is tapered towards one end, and a threaded protrusion is formed on the outer wall of the middle part of the fastening shell (10), a threaded sleeve (12) is sleeved on the outer side of the fastening shell (10); The outer wall of one end of the center pipe (1) inside the sliding sleeve (8) is formed with symmetrically distributed protrusions (14), the inner walls of both sides of the sliding sleeve (8) are provided with sliding grooves (15) matched in size with the protrusions (14), and the two protrusions (14) are slidably connected to the inner sides of the corresponding sliding grooves (15).

2. The emergency cooling spray device for the battery of the electric vehicle according to claim 1, characterized in that: The bottom of the first branch pipe (2) and the second branch pipe (3) is fixedly installed with four universal wheels (5) which are symmetrically distributed on both sides of the center pipe (1).

3. The emergency cooling spray device for the battery of the electric vehicle according to claim 2, characterized in that: The end of the center pipe (1) is fixedly installed with the first branch pipe (2) through a three-way pipe (6), and the middle part of the center pipe (1) is fixedly installed with the second branch pipe (3) through a cross pipe (7).

4. The emergency cooling spray device for the battery of the electric vehicle according to claim 1, characterized in that: The narrower end face of the fastening shell (10) is formed with a limiting portion (13).

5. The emergency cooling spray device for the battery of the electric vehicle according to claim 3, characterized in that: The end face of one end of the center pipe (1) inside the sliding sleeve (8) is fixedly connected with a sealing ring (16), the inner wall edge of the sealing ring (16) is formed as an arc surface, and the two sides thereof are formed with protrusions matched with the protrusions (14).

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