84results about How to "Improve the vocal effect" patented technology

The invention discloses a multi-functional loudspeaker which comprises a vibrating system, a magnetic circuit system and a peripheral framework for accommodating and fixing the vibrating system and the magnetic circuit system. The vibrating system comprises a first vibrating diaphragm and a voice coil combined with one side of the first vibrating diaphragm. The magnetic circuit system forms a magnetic gap for accommodating the voice coil. The vibrating system further comprises a second vibrating diaphragm for supporting and fixing the magnetic circuit system, and the second vibrating diaphragm is arranged inside the multi-functional loudspeaker at a position opposite to the first vibrating diaphragm. a leaking hole for communicating the inside of the multi-functional loudspeaker and the outside is arranged on a portion between the first vibrating diaphragm and the second vibrating diaphragm on the peripheral framework.

The invention discloses a sound production device, which comprises a basin frame, a vibration system and a magnetic circuit system, and is characterized in that the basin frame comprises a first basinframe and a second basin frame; the vibration system comprises a first vibrating diaphragm, a second vibrating diaphragm, a voice coil and a framework, wherein the first vibrating diaphragm and the second vibrating diaphragm are respectively fixed on the sides, far away from each other, of the first basin frame and the second basin frame, the two opposite ends of the framework are respectively fixed on the voice coil and the second vibrating diaphragm, the framework and the magnetic circuit system are arranged at an interval, the first vibrating diaphragm, the second vibrating diaphragm, thefirst basin frame and the second basin frame jointly enclose an accommodating space, and the magnetic circuit system is accommodated in the accommodating space; and the magnetic circuit system comprises a magnet yoke, a main magnetic steel, two auxiliary magnetic steels and a clamping plate, wherein the magnet yoke, the main magnetic steel, the two auxiliary magnetic steels and the clamping plateare fixed on the second basin frame, and the clamping plate is fixed on first basin frame. Compared with the prior art, the sound production device is simple in configuration, good in acoustic performance and reliability and wide in application range.

The invention relates to a thermoacoustic device, which comprises a substrate, a first electrode, a second electrode, a thermoacoustic element and a spacing element, wherein the thermoacoustic element is electrically connected with the first and second electrodes and is provided with a first surface facing the substrate and a second surface opposite to the first surface; and the spacing element is arranged on the substrate and contacts a part of the thermoacoustic element between the first and second electrodes so that a space is formed between the part of the thermoacoustic element and the substrate.

The embodiment of the application discloses a sound production control method and device an electronic device and a storage medium, applied to the electronic device. The electronic device comprises adisplay screen, a housing, at least one first exciter for driving the sound of the display screen and at least one second exciter for driving the sound of the housing. The method comprises: monitoringa state of the display screen; when the display screen is in a locked state, controlling the first exciter to operate to drive the display screen to sound; when the display screen is in an unlocked state, controlling the second exciter to operate to drive the housing to sound. The method can control the sound production of the display screen or the shell according to the screen state, and improves the sound production effect of the electronic device.

The invention provides a mobile terminal which comprises a rear cover, a middle frame, a screen and a printed circuit board. The rear cover, the screen and the printed circuit board are fixedly connected with the middle frame. An exciter is arranged on the middle frame or the screen; a control circuit for controlling the vibration intensity of the exciter is arranged on the printed circuit board;tthe mobile terminal further comprises a vibration sensor used for detecting the sound production state of the screen pushed by the exciter, wherein the vibration sensor is electrically connected withthe control circuit, the control circuit is used for comparing a current value output by the vibration sensor with a preset value, and when the current value output by the vibration sensor is greaterthan the preset value, the control circuit reduces a driving current output to the exciter. According to the method, the condition that the mobile terminal also generates large vibration due to largevibration of the exciter can be effectively avoided, so that the user experience is improved.

The embodiments of the invention disclose an audio control method, a device, an electronic device and a storage medium. The audio control method is applied to the electronic device, the electronic device includes a display screen, a housing, at least one first exciter for driving the sound of the display screen, and at least one second exciter for driving the sound of the housing. The method includes detecting an occluded state of the display screen and the housing upon obtaining a sound request; controlling the first actuator to operate to drive the display screen to sound when the housing isoccluded; when the display screen is occluded, the second actuator being controlled to operate to drive the housing to sound. The method can control the sound production of the display screen or theshell according to the occluded state of the electronic equipment and improve the sound production effect.

The invention discloses a loudspeaker vibration system. The loudspeaker vibration system comprises a vibrating diaphragm and a voice coil integrated at one side of the vibrating diaphragm, wherein the vibrating diaphragm comprises at least two layers of polyetheretherketone base diaphragms, and the vibrating diaphragm comprises at least one layer of crystalline polyetheretherketone base diaphragm and at least one layer of non-crystalline polyetheretherketone base diaphragm. The vibrating diaphragm is of a structure formed by combination of the crystalline polyetheretherketone base diaphragm and the non-crystalline polyetheretherketone base diaphragm, acoustic performance of the vibrating diaphragm is improved, and the f0 of products is lowered, thus the sounding effect of products can be improved.

The invention provides electronic equipment. The electronic equipment comprises a cover body, a telephone receiver, a loudspeaker and a first cavity, the telephone receiver is accommodated in the first cavity, a gap is formed between the cover body and a gap is formed between the telephone receiver and between the cover body and the loudspeaker, the gap is communicated with the first cavity, and the gap is communicated with the external environment through a sound outlet hole of the loudspeaker. In the embodiment of the invention, the first cavity can be communicated with the external environment through the gap and the sound outlet hole, and when the cover body is subjected to external force, the air pressure in the first cavity can be always kept balanced, so that the phenomenon that noise is included in sound emitted by the receiver is reduced, and the sound production effect of the receiver is improved.

The embodiment of the invention discloses a control method and device for a vehicle sound production device, equipment and a storage medium. The method comprises the steps of arranging the vehicle sound production device outside a vehicle, receiving a voice output instruction for the vehicle sound production device, determining a sound production mode of the vehicle sound production device based on the voice output instruction, wherein the sound production mode comprises at least one of a sound source playing mode, a voice interaction mode and a scene triggering mode, obtaining a to-be-output target voice signal based on the sound production mode, and controlling the vehicle sound production device to output the target voice signal. According to the technical scheme, the sound production effect of the vehicle sound production device can be improved, a user can enjoy the pleasure of driving, especially in the driving process, the driving state of the vehicle can be effectively transmitted to other vehicles or pedestrians on a road, and an intelligent traffic mode is achieved.

The invention discloses a speaker module and a mobile terminal containing the speaker module. The speaker module comprises a housing and a speaker. The housing is provided with a sound outlet hole. The speaker is provided with a top surface, and the top surface is provided with a sound outlet facing the housing. The speaker module further comprises a seal member arranged between the top surface and the housing and arranged around the sound outlet, a fixing part fixedly connected to the housing so that the seal is pressed between the housing and the top surface; The housing, the top surface andthe seal form a front sound cavity, and the sound outlet hole communicates with the front sound cavity. The speaker module is provided with a seal member and a fixing part to realize the two purposesof forming a sealed front acoustic cavity between the speaker and the housing and connecting and fixing the speaker to the housing respectively, so that the manufacturing difficulty of the speaker module is effectively reduced without using an adhesive fixing mode. Compared with the prior art, the speaker module effectively simplifies the structure of sealing and fixedly connecting the speaker tothe housing, and effectively reduces the production cost and the man-hour consumed in manufacturing.

The invention discloses electronic equipment, and belongs to the technical field of electronics. The electronic equipment includes: a shell, a display module, a camera module and a receiver module, and the shell comprises a containing cavity. The display module is arranged in the containing cavity; the display module is provided with a first through hole for light to pass through, and the light passes through the first through hole and enters the camera module; the shell is provided with a first through hole which enables the receiver module to emit sound, the camera module and the receiver module are both movably arranged in the containing cavity, and the camera module is arranged facing the display module. Therefore, when the electronic equipment needs to produce sound through the receiver module, the receiver module can be controlled to move to the position opposite to the second through hole, and the distance between the receiver module and the second through hole is shortened, sothat the sound production effect of the receiver module is enhanced.

The invention provides a fire alarm device and relates to the field of alarm devices. The fire alarm device comprises a shell. A controller is fixedly mounted on one side of the shell. Slide grooves are symmetrically arranged in two sides of the inner wall of the shell. Limit blocks are mounted at the tops and bottoms of the slide grooves. A slide rod matched with each slide groove is mounted on each slide groove. A support plate is fixedly mounted between the slide rods. Support rods are symmetrically mounted at the bottom of the support plate. A sound production plate is fixedly mounted at the bottoms of the support rods. Fixing blocks are symmetrically mounted at the top of the support plate. The fire alarm device has the advantages that by a pressure sensor, a support spring and the slide grooves, impact of an impacting ball when the impacting ball impacts the sound production plate is reduced effectively, the pressure sensor receives the impact pressure, a motor reverses when the pressure is excessively large, impact of the impacting ball on the sound production plate is reduced, the structural integrity of the sound production plate is protected effectively, and the service life of the alarm device is prolonged effectively.

The embodiment of the present application discloses a voice control method, a device, an electronic device and a storage medium, which relate to the technical field of electronic devices. The method is applied to an electronic device including a screen capable of vibrating and sounding, an actuator for driving the screen sounding, and a pressure sensor for detecting pressure acting on the screen.The method comprises: As the electronic device is in the screen sound mode, a touch operation acting on a screen is detected, wherein in a screen sound generation mode, a screen vibration sound generation is driven by an exciter, a current pressure value of the touch operation is obtained, a current vibration parameter of the electronic device is obtained based on the current pressure value, and the exciter is controlled to drive the screen vibration sound generation according to the current vibration parameter. The present application enhances the sound production effect of the screen by detecting a pressure value acting on the screen and automatically adjusting a vibration parameter of the screen according to the pressure value.

The invention discloses a telephone receiver and an assembly method thereof. The telephone receiver comprises a housing, a vibrating diaphragm mechanism and an electromagnetic mechanism; the vibratingdiaphragm mechanism is provided with a vibrating portion having at least one end fixed on the housing, and a free portion connected with the vibrating portion and stretched into a first cavity; and under the action of an electromagnetic field generated after a coil is powered on and a fixed magnetic field generated by a first magnetic generation piece, the free portion and the vibrating portion are driven to vibrate reciprocally. The assembly method comprises the steps of fixing a first magnetic generation piece on an inner wall of a first housing and fixing a coil on the inner wall of the first housing; fixing a vibrating diaphragm mechanism on an opening of the first housing so that a free portion is stretched into the coil; and buckling an opening of a second housing on the opening ofthe first housing. According to the telephone receiver provided by the invention, only one integral vibrating diaphragm mechanism needs to be provided, so an integral structure of the telephone receiver is simplified, a vibration response time is greatly reduced and the sensitivity of the telephone receiver is improved; and moreover, the vibrating diaphragm mechanism is installed integrally, so the assembly difficulty is greatly reduced.

The invention provides a speaker box, including a rear cover, a front cover that encloses an accommodating space together with the rear cover, a sounding unit accommodated in the accommodating space,a sound guiding channel formed in the accommodating space, and a sealing layer, wherein the sounding unit is spaced apart from the front cover and encloses a front sound cavity together with the frontcover, and the sound guiding channel connects the front sound cavity to the outside and forms a front cavity together with the front sound cavity; the front cover includes a body part, a through holethat penetrates through the body part and is communicated with the front cavity, and a steel sheet that is completely covered on the through hole and fixed to the body part; the sealing layer is fixedly arranged on the steel sheet, and the sealing layer is at least annularly arranged on the periphery of the steel sheet and is sandwiched between the body part and the steel sheet. The invention also provides a manufacturing method of the above speaker box. Compared with the related art, the speaker box provided by the invention has excellent waterproof performance and good reliability.

The invention discloses a voice coil assembly and a loudspeaker. The voice coil assembly comprises a main body voice coil and a connecting coil connected with the main body voice coil. The main body voice coil is used for being connected with an external circuit. The main body voice coil comprises a first voice coil and a second voice coil. The first voice coil is formed by winding a conductive first wire rod coated with self-adhesive paint. The second voice coil is formed by winding a second wire coated with self-adhesive paint; the first voice coil and the second voice coil are formed by winding in an adjacent manner and are bonded together. The first voice coil and the second voice coil are connected in series or in parallel. The connecting coil is formed by winding a third wire rod; the density of the third wire rod is smaller than or equal to the density of the first wire rod and the density of the second wire rod, the first voice coil and the second voice coil can be monitored respectively so as to carry out modeling analysis on the first voice coil and the second voice coil respectively, and therefore vibration of the voice coil assembly can be optimized in real time, and the acoustic performance of the loudspeaker can be improved.

The invention discloses a sound production monomer, a sound production module and an electronic terminal. The sound production monomer comprises a magnetic circuit system, a vibration system and a circuit board; a voice coil is formed by winding two voice coil wires together, and the two end parts of each voice coil wire respectively form a wire inlet end and a wire outlet end; the leading-out positions of the two wire inlet ends are located at one side of the voice coil, and the leading-out positions of the two wire outlet ends are located at the other side of the voice coil. The two wire inlet ends and the two wire outlet ends are electrically connected with corresponding bonding pads of the circuit board respectively, and an internal circuit of the circuit board is configured to be usedfor electrically connecting the two wire inlet ends together and electrically connecting the two wire outlet ends together. According to the sound production monomer, the two leads are connected in parallel, so that the wire diameter is smaller than that of a single wire on the premise of the same resistance value, the voice coil is thinner, the magnetic gap can be narrower, a higher BL value isachieved, and the sensitivity of a vibration system is improved.

The invention relates to an in-ear receiver, which comprises a stainless steel support, a voice coil, a cylindrical magnet, a diaphragm, a PC board and a sheath, wherein the cylindrical magnet is arranged in the center of the cavity inside the stainless steel support; the inner cavity of the stainless steel support has a diameter of 16 to 20mm; the cylindrical magnet has a diameter of 5 to 10mm; the voice coil is formed by winding and is fixed below the diaphragm; the diaphragm is arranged above the cylindrical magnet; the top end of the stainless steel support is provided with a step, and the lower end of the sheath is attached to the step of the stainless steel support; the PC board is fixed on the stainless steel support inside the sheath and is in winding connection with the voice coil; and a damping plate is arranged below the inner part of the support. The size of the in-ear receiver is further reduced, magnetic leakage can be reduced, and sound production effects are improved.

The invention discloses a sound production plate and projection screen, and belongs to the technical field of laser projection. The sound production plate comprises a honeycomb core layer, a first skin and a second skin, wherein the honeycomb core layer is in a rectangular plate shape. As the orthographic projection of the honeycomb core in the honeycomb core layer on the first skin or the secondskin is a hexagonal ring, and the absolute value of the angle difference between the first included angle and the second included angle is greater than or equal to the first preset angle, the arrangement density of the honeycomb core wall in the honeycomb core in the long side x direction of the rectangle is greater than or equal to the second preset angle. Compared with the arrangement density ofthe honeycomb core walls in the short side y direction of the rectangle, the arrangement density of the honeycomb core walls in the honeycomb core is greatly different. Therefore, the difference between the vibration conduction performance of the sound production plate in the x direction and the y direction is large. In a projection screen prepared by the sound production plate subsequently, thesound production plate vibrates under the driving of the exciter to make a sound with a wide frequency response range, so that the sound production effect of the projection screen is improved.

The invention discloses a magnetic induction early warning anti-collision type new energy charging pile. The charging pile comprises a charging pile body fixedly connected on the ground, two transverse plates are fixed to the inner wall of the charging pile body, a closed chamber is formed between the two transverse plates and the inner wall of the charging pile body, a permanent magnet plate is slidably connected to the inner wall of the closed chamber, and a permanent magnet column is fixedly connected to the side wall of the permanent magnet plate. When the vehicle head is close to the charging pile body; the permanent magnet columns are attracted to cut magnetic induction lines in the circular grooves; an induction current is generated on the induction coil; an excitation magnetic field generated by electrifying the excitation coil is counteracted with an inherent magnetic field of the permanent magnet column; and after the permanent magnet column is separated from the circular groove, the induction current on the induction coil disappears, and the magnetism on the permanent magnet column is recovered, so that the permanent magnet plate can reciprocate left and right to collidewith the vibration pipe to make a sound, a driver is warned, and collision between a vehicle head and the charging pile is avoided.

The embodiment of the invention provides a mobile terminal, relates to the technical field of screen sounding, and is used for solving the problem of insufficient volume in a high frequency band when the mobile terminal realizes screen sounding. At least one part of the vibrator in the mobile terminal is arranged in the accommodating cavity. The vibrator includes a first magnet, a second magnet, a coil, and at least one third magnet. The first magnet, the coil and the third magnet are all connected with the back face of the display module. The first magnet is located in a closed area wound by a wire of the coil. The third magnet is located on one side of the coil away from the first magnet. The second magnet is connected with the middle frame, and the position of the second magnet is opposite to the position of the first magnet. The first pole of the first magnet, the first pole of the second magnet and the second pole of the third magnet are close to each other, so that at least one part of magnetic lines penetrate through the coil from the surface, close to the first magnet and the surface, close to the third magnet, of the coil.

The embodiment of the invention provides a loudspeaker assembly and electronic equipment, and the loudspeaker assembly comprises a box body, wherein a cavity is formed in the box body, a through holeis formed in the side wall of the box body, and the through hole is communicated with the cavity; a loudspeaker which is arranged in the cavity; a moving part, wherein a sound outlet channel is formedin the moving part, and the moving part can move between a first state and a second state; in the first state, the sound outlet channel is communicated with the through hole, so that the cavity is communicated with the outside; and in the second state, the sound outlet channel and the through hole are staggered, so that the cavity is separated from the outside. According to the loudspeaker assembly, the moving part can move between the first state and the second state, so that the cavity in the box body is communicated with or separated from the outside, the normal sounding function of the electronic equipment can be ensured, and meanwhile, external foreign matters can be effectively prevented from entering the electronic equipment to block a sound channel; therefore, the sounding effectof the electronic equipment can be improved.

The invention discloses a sound production device and electronic equipment, the sound production device comprises a shell, and a magnetic circuit system, a vibration system, a coil and an elastic support member which are accommodated in the shell, the magnetic circuit system comprises a first magnet part and a second magnet part which are arranged at an interval to form a magnetic gap; the vibration system comprises a vibrating diaphragm and a flat voice coil for driving the vibrating diaphragm to vibrate, the vibrating diaphragm is connected with the shell, the flat voice coil is located in the magnetic gap, the axial direction of the flat voice coil is perpendicular to the vibration direction of the vibrating diaphragm, and the flat voice coil is located in the magnetic gap; the elastic supporting piece supports the magnetic circuit system to form a vibrator, the elastic supporting piece has elastic deformation along a first direction, and the first direction is perpendicular to the axial direction and the vibration direction of the flat voice coil; the coil is fixed relative to the shell and can interact with the magnetic field of the magnetic circuit system after being powered on to generate driving force in the first direction, so that the vibrator moves in the first direction. According to the technical scheme, the sound production function and the linear vibration motor function can be achieved, and meanwhile the sound production performance and the motor performance are improved.

The invention discloses a construction method of an underwater blocking net, and relates to the technical field of underwater salvage equipment. The construction method of the underwater blocking net comprises the following steps that S1, the two ends of the bottom of the blocking net are connected with anchor chains; S2, the blocking net and the two anchor chains are put into water through a workboat; and S3, bases are arranged at the two ends of a river bank. According to the construction method of the underwater blocking net, stormy waves drive water flow to impact an inclined plate, so that the inclined plate is stressed to deflect, meanwhile, the inclined plate drives an elastic plate to extrude each other during deflection, the elastic plate can drive the inclined plate to continuously vibrate, and an elastic film is pulled through a second pull rope while the inclined plate deflects or vibrates, so that a device can be prevented from being damaged due to excessive deflection of the inclined plate, it can also be guaranteed that the inclined plate deflects to pull the elastic film, the elastic film and the water waves are continuously slapped to make a sound, and the buoy finding and seeking effect is good during underwater rescue.

The invention belongs to the technical field of daily supplies, and particularly relates to an anti-theft handbag, which comprises an inner bag body and an outer bag body, and air bags are uniformly arranged between the inner bag body and the outer bag body; the air bag is filled with mixed gas with the density smaller than that of air. A rubber ball floats in the air bag; elastic metal sheets which are uniformly distributed are arranged in the air bag; the elastic metal sheet is provided with a sounding hole and is fixedly connected with a diaphragm; a cavity is formed in one side of the airbag close to the outer bag body; the cavity is filled with dye powder. When the handbag outer bag body is scratched, the air bag is broken, and gas in the air bag is leaked; and at this time, the rubber ball in the air bag and the dye powder in the cavity impact the outside of the handbag under the entrainment of airflow, so that the rubber ball and the dye powder collide with a suspect under the action of impact force, and other people are attracted while dye marks are left; meanwhile, the elastic metal sheet tightly attached to the inner wall of the air bag bounces and collides, airflow drives the diaphragm in the elastic metal sheet to vibrate, and an alarm is given out together.

The invention discloses a sound production monomer, a sound production module and an electronic terminal. The sound production monomer comprises a magnetic circuit system, a vibration system and a circuit board; a voice coil is formed by winding two voice coil wires together, and the two end parts of each voice coil wire respectively form a wire inlet end and a wire outlet end; the leading-out positions of the two wire inlet ends are located on the two sides of the voice coil and arranged diagonally, and the leading-out positions of the two wire outlet ends are located on the two sides of thevoice coil and arranged diagonally; the two wire inlet ends and the two wire outlet ends are electrically connected with corresponding bonding pads of the circuit board respectively, and an internal circuit of the circuit board is configured to be used for electrically connecting the two wire inlet ends together and electrically connecting the two wire outlet ends together. According to the soundproduction monomer, the two leads are connected in parallel, so that the wire diameter is smaller than that of a single wire on the premise of the same resistance value, the voice coil is thinner, themagnetic gap can be narrower, a higher BL value is achieved, the sensitivity of a vibration system is improved, and the sound production performance of the sound production monomer is improved.

The invention belongs to the technical field of daily necessities, and specifically relates to an anti-theft handbag, which includes an inner package and an outer package, and uniformly arranged air bags are arranged between the inner package and the outer package; the air bags are filled with There are rubber balls floating in the airbag; evenly distributed elastic metal sheets are arranged in the airbag; sound holes are opened on the elastic metal sheet, and a diaphragm is fixedly connected; There is a cavity; the cavity is filled with dye powder; when the outer body of the handbag is scratched, the airbag ruptures, and the gas in the airbag leaks out, and the rubber ball in the airbag and the dye powder in the cavity impact to the outside of the handbag under the coercion of the airflow , the rubber ball and the dye powder collide with the suspect under the action of the impact force, leaving a dye mark and attracting the attention of others. At the same time, the elastic metal sheet close to the inner wall of the airbag bounces and hits, and the airflow drives the inner diaphragm of the elastic metal sheet to vibrate. , jointly sound the alarm.

The invention discloses a watch. The watch comprises a sound production device capable of producing sound; a shell is provided with an inner cavity, the sound production device is arranged in the inner cavity, and the inner cavity can be communicated with the exterior of the shell through a sound transmission channel; wherein the shell has a sound transmission state and a protection state: when the shell is in the sound transmission state, the inner cavity is communicated with the exterior of the shell through the sound transmission channel, so that sound generated by the sound production device is transmitted to the exterior of the shell from the inner cavity through the sound transmission channel; and when the shell is in the protection state, the inner cavity is not communicated with the exterior of the shell, so that the inner cavity becomes a closed inner cavity. According to the watch with the structure, the sounding effect of the watch can be remarkably improved, and the watch has good waterproof and dustproof effects.

The invention discloses a vibration exciter which comprises a coil assembly and a magnetic circuit assembly. The coil assembly comprises a coil, an installation space is defined by the coil, the magnetic circuit assembly is located in the installation space, and the magnetic circuit assembly comprises a center washer, a magnetic insulation conductive frame and a magnet. The magnetic circuit assembly comprises a central washer and magnets, the magnets are arranged on the two sides of the central washer in the axial direction of the coil, the magnetic poles of the two faces, close to the central washer, of the magnets are the same, the magnetic insulation conductive frame is arranged on the outer side of the central washer in a sleeving mode, and a gap exists between the coil assembly and the magnetic circuit assembly. According to the technical scheme, high loudness can be obtained at a high frequency band, and the sounding effect is improved.

The invention discloses a fire alarm device for an automobile. The fire alarm device structurally comprises mounting holes, an alarm device body, a controller, a mounting base, sound amplifying holesand heat dissipation holes, wherein the bottom surface of the alarm device body is mechanically connected with the top surface of the mounting base; the controller is fixed at the central position ofthe front surface of the alarm device body; the mounting holes integrated with the alarm device body are uniformly formed in the top surface of the alarm device body; the mounting holes are distributed in rows and columns; gaps of the horizontal mounting holes are equal. According to the fire alarm device for the automobile, by arrangement of a main power transmission mechanism, a sound triggeringmechanism can move regularly, so that the sound production effect of a sound production plate is effectively enhanced, and the sound production quality of the sound production plate is improved, andpeople can hear an alarm sound clearly; meanwhile, a red lamp warning mechanism moves regularly along with the sound triggering mechanism to effectively make a warning with light, so that the alarmingeffect is enhanced, and fire extinguishing is facilitated; the safety of a vehicle is improved.