Safety protection system for spontaneous combustion of battery in elevator car
By installing sensors and a ventilation system inside the elevator car, the safety hazard of battery spontaneous combustion has been resolved, achieving effective safety protection.
Patent Information
- Application Number
- CN202520629239.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-03
AI Technical Summary
The lack of effective battery self-ignition protection measures in existing elevators poses a safety hazard.
Safety protection control devices, gas sensors, and flame sensors are installed inside the elevator car. The speed of the ventilation fan is controlled to discharge toxic gases and reduce oxygen concentration, thereby reducing the harm to people from battery spontaneous combustion.
It effectively emits toxic gases, reduces oxygen concentration, minimizes the harm to personnel from battery spontaneous combustion, prevents explosions and splashes, and ensures personnel safety.
Smart Images

Figure CN223950557U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator safety technical field, concretely relates to a safety protection system of battery spontaneous combustion in elevator car. BACKGROUND
[0002] Carry battery into elevator car, battery spontaneous combustion appears, currently there is no radical protection measure, therefore present design a kind of safety protection scheme, can maximum degree of safety protection. UTILITY MODEL CONTENTS
[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of safety protection system of battery spontaneous combustion in elevator car.
[0004] The utility model discloses the technical scheme as follows:
[0005] A kind of safety protection system of battery spontaneous combustion in elevator car, safety protection control device, left gas sensor, right gas sensor, left flame sensor, right flame sensor and left car roof vent and left car roof vent are opened to the left and right on car roof, the left gas sensor and right gas sensor are distributed to the left and right, the left flame sensor and right flame sensor are distributed to the left and right, and a plurality of left air vents and right air vents are arranged on the left and right sides of car bottom, and left air blower and right air blower are respectively installed on the left and right sides of car bottom, the left air blower is communicated with a plurality of left air vents, the right air blower is communicated with a plurality of right air vents, the left gas sensor, right gas sensor, left flame sensor, right flame sensor are connected with the signal input end of safety protection control device MCU respectively, the signal output end of safety protection control device MCU is connected with left air blower and right air blower respectively.
[0006] Further, the left air blower is communicated with a plurality of left air vents of car bottom by left air pipe, and the right air blower is communicated with a plurality of right air vents of car bottom by right air pipe.
[0007] Further, the left air blower is arranged at one end of left air pipe away from car door, and the right air blower is arranged at one end of right air pipe away from car door.
[0008] The utility model discloses a beneficial effect in relative to prior art is in: the utility model discloses cancel the car roof fan, and the left car roof air vent and left car roof air vent are opened to the left and right on the car roof, and install safety protection control device, left gas sensor, right gas sensor, left flame sensor and right flame sensor on the car roof, and the left and right sides of car bottom are equipped with a plurality of left air hole and right air hole, and install left ventilator and right ventilator on the left and right sides of car bottom respectively, when there is no battery spontaneous combustion in the car, safety protection control device controls left ventilator and right ventilator slow rotation, when there is battery spontaneous combustion in the car, if safety protection control device detects left gas sensor or left flame sensor trigger first, then control left ventilator changes from slow rotation to high speed rotation, if safety protection control device detects right gas sensor or right flame sensor trigger first, then control right ventilator changes from slow rotation to high speed rotation, thereby the toxic gas of battery spontaneous combustion is discharged to the elevator shaft, and the other side far from the fire source can be used for personnel to avoid, and the distance between personnel and flame is pulled, and the air blower wind speed increases and can reduce the oxygen and battery contact time, and the open fire is extinguished, for the state of battery oxygen smoldering, the wind speed increases and can cool the battery, and the cooling can make the battery heat release, and the personnel's safety is protected, and because left ventilator and right ventilator are far from the car door, the density of toxic gas in the car is reduced to the maximum, and the influence of toxic gas on human body is reduced to the maximum. BRIEF DESCRIPTION OF DRAWINGS
[0009] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the following description drawings are only some embodiments of the utility model, and for the ordinary skilled person in the art, other drawings can be obtained according to these drawings without creating labor.
[0010] Fig. 1 The structure diagram of the safety protection system of battery spontaneous combustion in elevator car is provided for the utility model,
[0011] Fig. 2 The safety protection system of battery spontaneous combustion in elevator car is provided for the utility model,
[0012] Fig. 3 The circuit diagram of the safety protection system of battery spontaneous combustion in elevator car is provided for the utility model. DETAILED DESCRIPTION
[0013] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0014] In order to illustrate the technical scheme of the utility model, the following specific examples are used for illustration.
[0015] Embodiment
[0016] Please refer to Figs. 1-3 , the embodiment provides a kind of safety protection system of battery spontaneous combustion in elevator car, safety protection control device 1 is installed on car roof, left gas sensor 2, right gas sensor 3, left flame sensor 4, right flame sensor 5 and left car roof vent 6 and left car roof vent 7 are opened to left and right, left gas sensor 4 and right gas sensor 5 are distributed left and right, left flame sensor 4 and right flame sensor 5 are distributed left and right, and a plurality of left air holes 8 and right air holes are arranged on the left and right sides of car bottom, and left air blower 9 and right air blower 10 are respectively installed on the left and right sides of car bottom, left air blower 9 is communicated with a plurality of left air holes 8 of car bottom by left air pipe 11, right air blower 10 is communicated with a plurality of right air holes 10 of car bottom by right air pipe 12, left gas sensor 1, right gas sensor 2, left flame sensor 4, right flame sensor 5 are connected with the signal input end of safety protection control device 1 MCU respectively, and the signal output end of safety protection control device 1 MCU is connected with left air blower 9 and right air blower 10 respectively.
[0017] When there is no battery spontaneous combustion in car, safety protection control device 1 controls left air blower 9 and right air blower 10 to rotate slowly, when doing fan and air exchange, when there is battery spontaneous combustion in car, if safety protection control device 1 detects left gas sensor 1 or left flame sensor 4 trigger first, then control left air blower 9 to change from slow rotation to high-speed rotation, if safety protection control device 1 detects right gas sensor 2 or right flame sensor 5 trigger first, then control right air blower 10 to change from slow rotation to high-speed rotation, so that the toxic gas of battery spontaneous combustion is discharged to elevator shaft, and the other side far from the source of fire can be used for personnel to avoid, to pull away the distance between personnel and flame, and the air blower speed increase can reduce the contact time of oxygen and battery, and extinguish open fire, for the state of battery oxygen smoldering, wind speed increase can cool battery, and cooling can make battery heat release, not to explode and splash, personnel safety is protected.
[0018] Preferably, the left ventilator 9 is arranged at one end of the left ventilation pipe 11 away from the car door 100, and the right ventilator 10 is arranged at one end of the right ventilation pipe 12 away from the car door 100, so that the density of the toxic gas in the car is reduced to the maximum extent, and the influence of the toxic gas on the human body is reduced to the maximum extent.
[0019] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A safety protection system for battery self-ignition within an elevator car, characterized by: The safety protection control device, left gas sensor, right gas sensor, left flame sensor, right flame sensor are installed on the roof, and left roof air vent and right roof air vent are opened on the left and right sides of the roof, the left gas sensor and the right gas sensor are distributed on the left and right sides, the left flame sensor and the right flame sensor are distributed on the left and right sides, a plurality of left air vents and right air vents are arranged on the left and right sides of the bottom, and a left air blower and a right air blower are respectively installed on the left and right sides of the bottom, the left air blower is communicated with the plurality of left air vents, the right air blower is communicated with the plurality of right air vents, the left gas sensor, the right gas sensor, the left flame sensor and the right flame sensor are respectively connected with the signal input end of the safety protection control device MCU, and the signal output end of the safety protection control device MCU is respectively connected with the left air blower and the right air blower.
2. A safety protection system against self-ignition of a battery in an elevator car according to claim 1, characterized in that The left air blower is communicated with the plurality of left air vents of the bottom through the left air pipe, and the right air blower is communicated with the plurality of right air vents of the bottom through the right air pipe.
3. A safety protection system against self-ignition of a battery in an elevator car according to claim 2, characterized in that The left air blower is arranged at one end of the left air pipe away from the car door, and the right air blower is arranged at one end of the right air pipe away from the car door.