CN211404036U - Electric control air horn - Google Patents
Electric control air horn Download PDFInfo
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- CN211404036U CN211404036U CN201922021155.4U CN201922021155U CN211404036U CN 211404036 U CN211404036 U CN 211404036U CN 201922021155 U CN201922021155 U CN 201922021155U CN 211404036 U CN211404036 U CN 211404036U
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Abstract
The utility model relates to an electric control air horn, which comprises an installation base, a high pitch horn tube, a low pitch horn tube and a solenoid valve, wherein one end of the solenoid valve is provided with a solenoid valve air inlet nozzle, the other end of the solenoid valve is connected with an air cylinder assembly through an air cylinder air inlet pipe, the air cylinder assembly comprises an air inlet and a piston, the piston separates the air cylinder assembly into a first air storage cavity and a second air storage cavity, an air communicating pipe is arranged between the first air storage cavity and the second air storage cavity and is communicated with the air inlet, the air cylinder assembly is provided with a first air outlet and a second air outlet, a resetting mechanism for resetting the piston is arranged in the air cylinder assembly, therefore, the two loudspeakers sound alternately, the sound of the high-low sound loudspeaker is louder and clearer, and meanwhile, the high-low sound alternately sounds, so that the whole loudspeaker has better sound warning performance, and the sound warning device does not cause auditory fatigue of a driver even after being used for a long time, and is favorable for reducing environmental noise pollution.
Description
Technical Field
The utility model relates to a car horn field, concretely relates to automatically controlled air horn.
Background
The air horn is one kind of automobile horn and is classified into electric air horn, mechanical air horn, etc. The air horn utilizes the airflow of compressed air to make the metal diaphragm vibrate, the shape is mostly long horn-shaped (cylinder-shaped), the sound is large and the tone is high, the propagation distance is long, and the air horn is mostly used on long-distance large and medium-sized automobiles, wherein the electric air horn generates the compressed air through a DC motor air pump, the compressed air is guided into a sound generating device (a copper disc, a silica gel disc or a paper disc) of the air horn through a flame-retardant rubber tube to generate sound, and the sound is expanded through a sound amplifying port to achieve the functions of warning and caution.
The automatically controlled air horn of using on present bus or freight train adopts two horn tubes usually, and one is loudspeaker, and one is woofer, and when loudspeaker switch start-up back, woofer can sound together with loudspeaker, and the low pitch that sends can be mingled with together, and the noise is too big, and the flat and light warning effect that can not have that leads to of loudspeaker sound.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
the electric control air horn with the advantages of alternative high and low sound, pleasant sound and better warning effect is provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatically controlled air horn, including installation base, first horn pipe, second horn pipe and the solenoid valve of being connected with the horn switch, its characterized in that: the air cylinder assembly comprises an air inlet connected with the air cylinder inlet pipe and a piston arranged in the air cylinder assembly, the piston moves back and forth along the inner wall of the air cylinder assembly and separates the air cylinder assembly into a first air storage cavity and a second air storage cavity, an air communicating pipe is arranged between the first air storage cavity and the second air storage cavity and communicated with the air inlet, a first air outlet for supplying air to the first horn tube is arranged at one end, corresponding to the first air storage cavity, of the air cylinder assembly, a second air outlet for supplying air to the second horn tube is arranged at one end, corresponding to the second air storage cavity, of the air cylinder assembly, a reset mechanism for resetting the piston is arranged in the air cylinder assembly, and the frequency responses of sounds emitted by the first horn tube and the second horn tube are different.
By adopting the technical scheme, the air cylinder assembly communicated with the electromagnetic valve is additionally arranged on the air horn, the piston is arranged in the air cylinder assembly to divide a cavity in the air cylinder assembly into the first air storage cavity and the second air storage cavity, the first air storage cavity is communicated with the second air storage cavity through the communicating air pipe, the air inlet is communicated with the communicating air pipe, so that air pumped in by the electromagnetic valve can enter the air cylinder assembly through the air inlet pipe of the air cylinder, the air enters the first air storage cavity through the air inlet, then a part of the air enters the second air storage cavity through the communicating air pipe, the first air storage cavity and the second air storage cavity are divided into mutually independent air pressure cavities through the piston, when the air pressure of the first air storage cavity is higher than that of the second air storage cavity, the piston moves to one end of the second air storage cavity, so that the air in the second air storage cavity is rapidly exhausted from the second air outlet, so that the second horn, when the air pressure of the second air storage cavity is too low, the air pressure in the first air storage cavity presses the air into the second air storage cavity through the communicating air pipe, meanwhile, the reset mechanism drives the piston to reset to enlarge the space of the second air storage cavity, the air pressure in the second air storage cavity is larger than that in the first air storage cavity, the piston moves to one end of the first air storage cavity, thereby forcing the air in the first air storage cavity to rapidly exit from the first air outlet, driving the first horn tube to sound, continuously changing the air pressure in the air storage cavities at the two ends of the piston to be matched with the reset mechanism, thereby let two loudspeaker sound in turn, can not the simultaneous sound production, simultaneously because cylinder assembly cooperation piston oppresses the air, make the sound of two loudspeaker of loudspeaker more loud, clear, the sound production in turn of high bass not only makes whole loudspeaker have better sound warning performance, uses for a long time in addition and does not also cause driver's sense of hearing fatigue, is favorable to reducing the environmental noise pollution.
The above electrically controlled air horn may further be configured to: the reset mechanism comprises a piston guide shaft arranged in the cylinder assembly, a reset boss arranged on the piston guide shaft and reset springs arranged at two ends of the reset boss, the piston is sleeved on the piston guide shaft and moves back and forth along the piston guide shaft, the reset springs are arranged in the piston, one end of each reset spring is in contact with the corresponding reset boss, the other end of each reset spring is in contact with the corresponding piston in a propping manner, and the piston is assisted to reset through the reset springs.
Adopt above-mentioned technical scheme, through set up the piston uide bushing in cylinder assembly, make the piston can follow the fixed activity of uide bushing, promote the stability of piston, set up the boss that resets on the piston uide bushing simultaneously, the boss both ends that reset all set up reset spring, can reset through reset spring all the time when making the piston move about on the piston uide bushing, help the atmospheric pressure of stabilizing cylinder assembly both ends gas storage chamber.
The above electrically controlled air horn may further be configured to: and damping grease is coated between the piston and the inner wall of the cylinder assembly.
Adopt above-mentioned technical scheme, through scribbling damping fat, promote sealing performance promptly, make the air can not directly flow through from the piston, by enabling the piston to reduce the friction when the motion, be more steady, smooth and easy, accurate operation of piston.
The utility model has the advantages that: through set up the cylinder assembly between gas loudspeaker and solenoid valve, set up automatic re-setting's piston in the cylinder assembly, the atmospheric pressure that makes the piston both ends is incessantly changeed to let two loudspeaker sound in turn, make the sound of high-low sound loudspeaker more loud, clear, high-low sound in turn not only makes whole loudspeaker have better sound warning performance simultaneously, use for a long time in addition also not to cause driver's sense of hearing fatigue, be favorable to reducing the environmental noise pollution.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a cylinder assembly according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view 2 of a cylinder assembly according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-4, an electrically controlled air horn comprises a mounting base 1, a first horn tube 2, a second horn tube 3 and an electromagnetic valve 4 connected with a horn switch, wherein one end of the electromagnetic valve 4 is provided with an electromagnetic valve inlet nozzle 41, the other end of the electromagnetic valve 4 is connected with an air cylinder assembly 6 through an air cylinder inlet pipe 5, the air cylinder assembly 6 comprises an air inlet 61 connected with the air cylinder inlet pipe 5 and a piston 62 arranged in the air cylinder assembly 6, the piston 62 moves back and forth along the inner wall of the air cylinder assembly 6 and divides the air cylinder assembly 6 into a first air storage cavity a and a second air storage cavity B, an air communicating pipe 63 is arranged between the first air storage cavity a and the second air storage cavity B, the air communicating pipe 63 is communicated with the air inlet 61, one end of the air cylinder assembly 6 corresponding to the first air storage cavity a is provided with a first air outlet 64 for supplying air to the first horn tube 2, one end corresponding to the second air storage cavity B is provided with a second air, be equipped with the canceling release mechanical system who resets piston 62 in the cylinder assembly 6, the frequency response that first horn pipe 2 and second horn pipe 3 sounded is different, canceling release mechanical system is including setting up piston guiding axle 66 in cylinder assembly 6, the setting is at the boss 661 that resets on piston guiding axle 66 and set up the reset spring 662 at the boss 661 both ends that resets, piston 62 cover is established on piston guiding axle 66 and is moved around along piston guiding axle 66, reset spring 662 sets up in piston 62, and one end and the counterbalance contact of boss 661 that resets, the other end and piston 62 counterbalance contact, piston 62 helps piston 61 to reset through reset spring 662, scribble damping grease between piston 62 and the cylinder assembly 6 inner wall, first horn pipe 2 is the tweeter pipe, second horn pipe 3 is the woofer pipe.
The working principle is as follows: when the horn button is pressed down, the electromagnetic valve 4 is opened, the air supply horn sounds, the horn button releases the electromagnetic valve 4 and is closed, the air supply stops the horn and does not work, and when the horn button is pressed down, the electromagnetic valve 4 is arranged on the air supply horn
The solenoid valve air inlet 41 inhales the air, then wear cylinder assembly 6 through cylinder intake pipe 5, the air is accepted to air inlet 61 of cylinder assembly 6, the air collects at first gas storage chamber A, transmit for second gas storage chamber B through intercommunication trachea 63 simultaneously, when first gas storage chamber A atmospheric pressure is higher than second gas storage chamber B atmospheric pressure, oppress piston 62 and remove to second gas storage chamber B, thereby let the woofer sound, piston 62 resets the back through canceling release mechanical system, second gas storage chamber B atmospheric pressure is higher than first gas storage chamber A atmospheric pressure, oppress piston 62 and remove the loudspeaker sound to first gas storage chamber A, the atmospheric pressure at piston 62 both ends is incessantly changeed, thereby let the woofer sound in turn, make whole air horn have better sound warning performance, and long-term use does not also cause driver's hearing fatigue, be favorable to reducing the environmental noise pollution.
Claims (4)
1. The utility model provides an automatically controlled air horn, including installation base, first horn pipe, second horn pipe and the solenoid valve of being connected with the horn switch, its characterized in that: the air cylinder assembly comprises an air inlet connected with the air cylinder inlet pipe and a piston arranged in the air cylinder assembly, the piston moves back and forth along the inner wall of the air cylinder assembly and separates the air cylinder assembly into a first air storage cavity and a second air storage cavity, an air communicating pipe is arranged between the first air storage cavity and the second air storage cavity and communicated with the air inlet, a first air outlet for supplying air to the first horn tube is arranged at one end, corresponding to the first air storage cavity, of the air cylinder assembly, a second air outlet for supplying air to the second horn tube is arranged at one end, corresponding to the second air storage cavity, of the air cylinder assembly, a reset mechanism for resetting the piston is arranged in the air cylinder assembly, and the frequency responses of sounds emitted by the first horn tube and the second horn tube are different.
2. An electrically controlled air horn according to claim 1 wherein: the reset mechanism comprises a piston guide shaft arranged in the cylinder assembly, a reset boss arranged on the piston guide shaft and reset springs arranged at two ends of the reset boss, the piston is sleeved on the piston guide shaft and moves back and forth along the piston guide shaft, the reset springs are arranged in the piston, one end of each reset spring is in contact with the corresponding reset boss, the other end of each reset spring is in contact with the corresponding piston in a propping manner, and the piston is assisted to reset through the reset springs.
3. An electrically controlled air horn according to claim 1 or 2, wherein: and damping grease is coated between the piston and the inner wall of the cylinder assembly.
4. An electrically controlled air horn according to claim 1 or 2, wherein: the first horn pipe is a high pitch horn pipe, and the second horn pipe is a low pitch horn pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021155.4U CN211404036U (en) | 2019-11-20 | 2019-11-20 | Electric control air horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922021155.4U CN211404036U (en) | 2019-11-20 | 2019-11-20 | Electric control air horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211404036U true CN211404036U (en) | 2020-09-01 |
Family
ID=72212204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922021155.4U Active CN211404036U (en) | 2019-11-20 | 2019-11-20 | Electric control air horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211404036U (en) |
-
2019
- 2019-11-20 CN CN201922021155.4U patent/CN211404036U/en active Active
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