Automatic fire extinguishing system for electric vehicle parking area

Abstract

The utility model provides an electric automobile parking area automatic fire extinguishing system which comprises a spraying main pipe, a sensor unit, an automobile inductor, a telescopic control unit and a master control module, the spraying main pipe is connected with a fire fighting pipeline and is communicated with a plurality of spraying branch pipes, and the spraying main pipe and the spraying branch pipes are all laid under the ground of a parking lot. One spraying branch pipe corresponds to one parking space, and a control valve is arranged on each spraying branch pipe; each spraying branch pipe is provided with a plurality of Y-shaped spraying pipes, the two head ends of each Y-shaped spraying pipe are arranged on the two opposite sides of the central axis of the parking space respectively, and each head end is provided with a spraying head. Each parking space is provided with a sensor unit and a vehicle sensor, and the sensor units extend from the position below the ground of the parking area to the position above the ground through the telescopic effect of the telescopic control units. According to the system, two rows of sprayers are arranged to spray two sides of the battery module at the bottom of the electric vehicle, so that the coverage range of a fire extinguishing medium is wider, and the fire extinguishing effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile fire extinguishing system technical field, especially in kind electric automobile parking area automatic fire extinguishing system. BACKGROUND

[0002] With the popularization of new energy, new energy electric vehicles using lithium ion batteries as power sources are becoming more and more popular. Because lithium ion batteries use flammable organic electrolyte system, they are prone to spontaneous combustion or explosion when heated, thus causing a high safety hazard for electric vehicles.

[0003] Therefore, considering the safety, the existing technology has reformed the parking area where the electric vehicles are parked, and designed various fire extinguishing systems or fire suppression systems to achieve the purpose of extinguishing fire or controlling fire by spraying fire extinguishing medium (water, foam, etc.) onto the body of the accident vehicle when the fire is about to occur. For example, the patent document with publication number CN 219001817U provides a fire suppression system for electric vehicle parking lots, which effectively suppresses the thermal runaway of electric vehicle lithium batteries by spraying fire extinguishing medium from bottom to top directly onto the battery module of the electric vehicle, effectively prevents the spread of fire to other vehicles, and ultimately completely extinguishes the fire of the burning vehicle and prevents it from reigniting. However, the spray head of this patent document is arranged along the center line, which can only spray the battery module at the center line of the electric vehicle, the spraying range is small, the effect is not very good, and there is a lack of effective sensing elements to effectively suppress or control the battery module at the initial stage of heating without fire.

[0004] Therefore, the existing fire extinguishing system for electric vehicle parking areas still needs to be further improved. INVENTION CONTENTS

[0005] In view of the above, it is necessary to provide an electric vehicle parking area automatic fire extinguishing system to spray fire extinguishing medium from both sides of the battery module at the bottom of the electric vehicle by arranging two rows of spray heads, so as to cover a wider range and achieve better fire extinguishing effect.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The electric vehicle parking area automatic fire extinguishing system comprises a spray main pipe, the input end of the spray main pipe is connected with a fire extinguishing pipe, the output section of the spray main pipe is communicated with a plurality of spray branch pipes, the spray main pipe and the spray branch pipes are laid below the ground of the parking lot, one spray branch pipe corresponds to one parking space, and a control valve is arranged on each spray branch pipe.

[0008] Each spray branch pipe is provided with a plurality of Y-shaped spray pipes, the Y-shaped spray pipes are arranged at intervals along the length direction of the parking space, two head ends of each Y-shaped spray pipe are arranged on opposite sides of the central axis of the parking space, one spray head is arranged at each head end, and each spray head is communicated with the space above the ground through an opening on the ground of the parking space.

[0009] The electric vehicle parking area automatic fire extinguishing system further comprises a sensor unit, a vehicle sensor, a telescopic control unit and a general control module, the sensor unit and the vehicle sensor are arranged on each parking space, the vehicle sensor is used for detecting whether the electric vehicle is parked in the parking area, the sensor unit is arranged in the middle of the parking area, and the sensor unit comprises but is not limited to a temperature sensing cable, a temperature sensor and a smoke sensor; the probe of the temperature sensing cable, the temperature sensor and the smoke sensor are arranged on the telescopic end of the telescopic control unit, and the three are extended from below the ground of the parking area to above the ground through the telescopic action of the telescopic control unit; and the general control module is respectively connected in communication with the control valve, the sensor unit, the vehicle sensor and the telescopic control unit.

[0010] Preferably, the vehicle sensor is arranged beside the blocking block of the parking space, and the sensing direction of the vehicle sensor is towards the parking area of the parking space.

[0011] Preferably, the vehicle sensor is an infrared sensor.

[0012] Preferably, at least two sensor units are arranged on each parking space, the sensor units are arranged at intervals along the length direction of the parking space, and the sensor units are arranged on the central axis of the parking space.

[0013] Preferably, the control valve is also arranged on the spray main pipe, and the control valve is also connected with the general control module.

[0014] Preferably, the telescopic control unit is an electric telescopic rod.

[0015] Preferably, the electric vehicle parking area automatic fire extinguishing system further comprises an alarm module connected with the general control module.

[0016] Preferably, the alarm module is an audible and visual alarm.

[0017] Preferably, the general control module is wirelessly connected with a remote terminal through a wireless transmission module.

[0018] Preferably, all the Y-shaped spray pipes on each spray branch pipe are installed in a module groove box, the module groove box is arranged on the parking space, each spray branch pipe penetrates the module groove box to be connected with the spray main pipe outside the module groove box; the spray head is communicated with the space above the ground of the parking space through a through hole on the top surface of the module groove box; and the telescopic end of the telescopic control unit also extends to above the ground of the parking space through the through hole on the top surface of the module groove box.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1, the utility model discloses a Y -shaped spray pipe is divided to the mode of the nozzle of parking space middle axis two -sided to the battery module of electric automobile bottom can be sprayed from both sides, improves the spraying range of fire extinguishing cooling medium, more comprehensive to the battery module is extinguished or is suppressed.

[0021] 2, the utility model discloses the sensor unit of activity formula to better and more accurate inductive electric automobile bottom battery module's temperature or smoke condition, thereby in time spraying fire extinguishing cooling medium when the temperature of battery module is abnormal or appears to smoke.

[0022] 3, the utility model discloses the mode of the module slot box is hiddenly set Y -shaped spray pipe, nozzle, telescopic control unit and sensor unit, so that every parking stall can install nozzle, sensor unit and other fire -fighting components quickly and conveniently, compared with the mode of embedding pipe and burying fire -fighting components, its installation cost is lower, and it is more favorable to the installation of existing parking lot. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the pipeline arrangement diagram of the first kind of embodiment of the utility model.

[0024] Figure 2 It is the sectional view of parking stall, and in the drawing, the sensor unit is located below the ground.

[0025] Figure 3 It is the sectional view of parking stall, and in the drawing, the sensor unit is located on the ground.

[0026] Figure 4 It is the system structure diagram of the utility model.

[0027] Figure 5 It is the pipeline arrangement diagram of another kind of embodiment of the utility model.

[0028] Figure 6 It is the sectional view of parking stall in another kind of embodiment of the utility model, and in the drawing, the sensor unit is in the retracted state.

[0029] Figure 7 It is Figure 6 The structure diagram of the module slot box is not placed in the structure diagram of the module slot box.

[0030] Figure 8 It is Figure 6 The structure diagram of the module slot box is placed in the structure diagram of the module slot box.

[0031] MAIN ELEMENT SYMBOL EXPLANATION

[0032] In the figure: spray main pipe 1, fire control pipeline 2, spray branch pipe 3, control valve 4, Y-shaped spray pipe 5, spray head 6, sensor unit 7, telescopic control unit 8, vehicle sensor 9, parking space 10, car stopping block 11, module slot box 12.

[0033] The following specific embodiments will further illustrate the utility model in conjunction with the above figures. Specific embodiments

[0034] Please refer to Figures 1-4 In a preferred embodiment of the utility model, the electric vehicle parking area automatic fire extinguishing system comprises a spray main pipe 1, a sensor unit 7, a vehicle sensor 9, a telescopic control unit 8 and a general control module, the input end of the spray main pipe 1 is connected with a fire control pipeline 2, the output section of the spray main pipe 1 is communicated with a plurality of spray branch pipes 3, the spray main pipe 1 and the spray branch pipes 3 are laid below the ground of the parking lot, one spray branch pipe 3 corresponds to one parking space 10, and each spray branch pipe 3 is provided with a control valve 4;

[0035] Each spray branch pipe 3 is provided with a plurality of Y-shaped spray pipes 5, the plurality of Y-shaped spray pipes 5 are arranged at intervals along the length direction of the parking space 10, two head ends of each Y-shaped spray pipe 5 are arranged on opposite sides of the central axis of the parking space 10, one spray head 6 is arranged at each head end, and each spray head 6 is communicated with the space above the ground through an opening on the ground of the parking space 10;

[0036] Each parking space 10 is provided with a sensor unit 7 and a vehicle sensor 9, the vehicle sensor 9 is used for detecting whether an electric vehicle is parked in the parking area, the sensor unit 7 is arranged in the middle of the parking area, and the sensor unit 7 comprises but is not limited to a temperature sensing cable, a temperature sensor and a smoke sensor, the probe of the temperature sensing cable, the temperature sensor and the smoke sensor are arranged on the telescopic end of the telescopic control unit 8, and the three are extended from below the ground of the parking area to above the ground through the telescopic action of the telescopic control unit 8; the general control module is respectively connected in communication with the control valve 4, the sensor unit 7, the vehicle sensor 9, the telescopic control unit 8 and the general control of the fire control pipeline 2.

[0037] The utility model discloses a total control module is sent to the sensor unit 7 of this parking stall 10 operation instruction through the response of the inductive condition, and the parking stall 10 is through the temperature response or the smoke response of sensor unit 7's mode to monitor the condition of electric automobile on it, to make the total control module make the corresponding response when the temperature is unusual or there is smoke, such as making the total control of fire -fighting pipeline 2 open operation, simultaneously make the parking valve on the spray branch pipe 3 of this parking stall 10 corresponding open, thereby make this parking stall 10 from below to above spray out fire extinguishing cooling medium to the bottom of electric automobile, that is battery module place, and then make battery module get the cooling or fire extinguishing etc. restraining processing, avoid the fire or the fire spreads, play the purpose of automatic fire extinguishing or the suppression of fire. In order to more convenient warning personnel near the parking stall 10, the electric automobile parking area automatic fire extinguishing system still includes the alarm module that is connected with the total control module to send the alarm information to the parking stall 10 periphery through the alarm module alarm information mode, preferably, the alarm module is audible -visual annunciator. In addition, also convenient for remote monitoring personnel to understand the condition of parking stall 10 in time, the total control module still through wireless transmission module wireless connection remote terminal to pass through wireless transmission module and transmit the alarm information to the monitoring personnel in the monitoring room of remote terminal place, benefit monitoring personnel to discover in time, handle and control in time. In addition, need to explain, remote terminal can be independent monitoring center, also can be the monitoring center of fire -fighting security system that the existing parking area sets up, when the total control module of the utility model and the monitoring center of fire -fighting security system communicate, when the electric automobile fire accident of parking stall 10 appears, the utility model still can link the fire -fighting function of fire -fighting security system, like this, through the fire -fighting security system from top to bottom spray fire extinguishing mode cooperation on the utility model from bottom to top spray fire extinguishing mode, can more comprehensive better to the electric automobile on the parking stall 10 carry out fire extinguishing operation, greatly reduce the security risk of parking area.

[0038] The sensor unit 7 is movable, and can be lifted under the action of the telescopic control unit 8, so that the sensor unit 7 can be close to the battery module of the electric vehicle in a lifting manner, and the battery module can be sensed in a closer distance whether the battery module has a heating and spontaneous combustion condition, so that the sensing is not needed to be performed after the battery module has been on fire or has a certain scale of fire, that is, the sensor unit 7 is designed in a movable manner, so that the fire extinguishing and suppression effect is better, and the safety is higher.

[0039] In the utility model, the spray head 6 is arranged in the form of Y-shaped spray pipe 5, the spray head 6 can spray the battery module from both sides, avoids that the spray is not comprehensive caused by only middle spraying, leads to fire extinguishing or the effect of suppression is not good, further improves automatic fire extinguishing or the effect of suppression.In the embodiment, the control valve 4 is also arranged on the spray main pipe 1, and the control valve 4 is also connected with the general control module.

[0040] The pipeline is laid on the parking lot in an embedded mode, so that each parking space has the fire safety function, and the embedded mode can avoid that the pipeline and components are damaged, and the service life of the utility model is improved.

[0041] Please refer to Figures 5-8In another embodiment of the utility model, considering that the cost of embedding the pipeline and components is too high, the utility model installs all Y-shaped spray pipes 5 on each spray branch pipe 3 in the module groove box 12, the module groove box 12 is placed on the parking space 10, each spray branch pipe 3 is arranged through the module groove box 12 to be connected with the spray main pipe 1 outside the module groove box 12, the spray head 6 is communicated with the space above the ground of the parking space 10 through the through hole on the top surface of the module groove box 12, the telescopic end of the telescopic control unit 8 also extends above the ground of the parking space 10 through the through hole on the top surface of the module groove box 12, in this way, by excavating a slot on the parking space 10 to place and fix the module groove box 12, then embedding the lower part of the module groove box 12 in the slot, the fire-fighting components of a parking space 10 can be installed on the parking space 10, and the spray main pipe 1 and part of the spray branch pipe 3 can be laid on the ground of the parking lot, specifically, can be laid behind the car stopping block 11 of the parking space 10, the part not passed by the vehicle, in this way, the risk of damaging the pipeline is reduced, and the fire-fighting components are hidden in the module groove box 12, so that the risk of damage is also reduced, the modular installation mode can simplify the installation process and reduce the installation cost. Preferably, the two sides of the upper part of the module groove box 12 are arc-shaped surfaces curved downward from the top surface.

[0042] Finally, it should be noted that the extinguishing and cooling medium sprayed by the utility model is not limited to water, foam extinguishing agent and the like, and multiple pipelines can be laid to achieve the purpose of spraying different media, of course, the specific design is laid according to the actual demand. In addition, in order to avoid spraying, in the case that the detection result of the temperature sensor or temperature sensing cable of the utility model is abnormal, the sensing condition of the smoke sensor needs to be combined, when the sensing of the smoke sensor is also abnormal, the general control module makes a corresponding response to start the fire safety action.

[0043] The above description is a detailed description of the preferred and feasible embodiment of the utility model, but the embodiment is not used to limit the patent application range of the utility model, and any equivalent change or modification change completed under the technical spirit of the utility model should belong to the patent range covered by the utility model.

Claims

1. An automatic fire extinguishing system for an electric vehicle parking area, comprising a spray main pipe, an input end of the spray main pipe being connected to a fire pipe, an output section of the spray main pipe being in communication with a plurality of spray branch pipes, the spray main pipe and the spray branch pipes being laid below the ground of the parking area, one spray branch pipe corresponding to one parking space, and each spray branch pipe being provided with a control valve; characterized in that each spray branch pipe being provided with a plurality of Y-shaped spray pipes, the Y-shaped spray pipes being arranged at intervals along the length direction of the parking space, two head ends of each Y-shaped spray pipe being arranged on opposite sides of the central axis of the parking space, and each head end being provided with a spray head, each spray head being in communication with the space above the ground of the parking space through an opening in the ground of the parking space; further comprising a sensor unit, a vehicle sensor, a telescopic control unit and a master control module, the sensor unit and the vehicle sensor being arranged on each parking space, the vehicle sensor being used to detect whether an electric vehicle is parked in the parking area, the sensor unit being arranged in the middle of the parking area and comprising, but not limited to, a temperature sensing cable, a temperature sensor and a smoke sensor, the probe of the temperature sensing cable, the temperature sensor and the smoke sensor all being arranged on the telescopic end of the telescopic control unit, and the three being extended from below the ground of the parking area to above the ground through the telescopic action of the telescopic control unit; the master control module being communicatively connected to the control valve, the sensor unit, the vehicle sensor and the telescopic control unit.

2. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: The vehicle sensor is arranged beside the car stopping block of the parking space, and the sensing direction thereof is towards the parking area of the parking space.

3. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: The vehicle sensor is an infrared sensor.

4. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: At least two sensor units are arranged on each parking space, the sensor units being arranged at intervals along the length direction of the parking space and on the central axis of the parking space.

5. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: A control valve is also arranged on the spray main pipe, and the control valve is also connected to the master control module.

6. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: The telescopic control unit is an electric telescopic rod.

7. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: Further comprising an alarm module connected to the master control module.

8. The electric vehicle parking area automatic fire extinguishing system of claim 7, wherein: The alarm module is an audible and visual alarm.

9. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: The master control module is also wirelessly connected to a remote terminal through a wireless transmission module.

10. The electric vehicle parking area automatic fire extinguishing system of claim 1, wherein: All the Y-shaped spray pipes on each spray branch pipe are installed in a module slot box, the module slot box being placed on the parking space, each spray branch pipe being arranged through the module slot box to be connected to the spray main pipe outside the module slot box; the spray head being in communication with the space above the ground of the parking space through a through hole in the top surface of the module slot box; and the telescopic end of the telescopic control unit also extending above the ground of the parking space through a through hole in the top surface of the module slot box.

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