CN221293481U - Pneumatic brake limit position alarm device - Google Patents
Pneumatic brake limit position alarm device Download PDFInfo
- Publication number
- CN221293481U CN221293481U CN202420077384.6U CN202420077384U CN221293481U CN 221293481 U CN221293481 U CN 221293481U CN 202420077384 U CN202420077384 U CN 202420077384U CN 221293481 U CN221293481 U CN 221293481U
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- proximity switch
- inductive proximity
- alarm
- air pressure
- limit position
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- 230000001939 inductive effect Effects 0.000 claims abstract description 38
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model relates to the technical field of alarm devices, and discloses an alarm device for a pneumatic braking limit position, which comprises an air pressure too low sensor, an alarm piece and an inductive proximity switch; the sensor with low air pressure is electrically connected with the alarm piece and the inductive proximity switch respectively; the sensor with too low air pressure, the inductive proximity switch and the alarm piece are all arranged on the automobile. According to the air brake limit position alarm device, the air pressure too low sensor, the alarm piece and the inductive proximity switch are matched, the power line of the inductive proximity switch is connected with a circuit on the air pressure too low sensor on the air storage cylinder, and the alarm piece on the automobile is used for reminding a driver that a brake pad reaches the limit and needs to be replaced in time so as to prevent the brake from locking and returning; meanwhile, the problem of misjudgment of braking caused by excessive abrasion of the brake drum and thick brake pad is avoided, so that the effect of protecting life and property loss is achieved.
Description
Technical Field
The utility model relates to the technical field of alarm devices, in particular to a pneumatic brake limit position alarm device.
Background
In the braking system of the automobile, a brake pad is the most critical safety part, and forms the braking system of the automobile together with a brake pedal, a pneumatic brake master cylinder, a slave cylinder, an air reservoir and the like.
The brake block of in-process stopper of car brake and brake shoe friction roll extrusion can make brake block or brake drum by gradual wearing and tearing, and does not install alarm device in the current braking system to lead to the brake block or the brake drum of car to wear out the back and can not in time change, and then make the driver take place the incident easily at the in-process of driving.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides an air brake limit position alarm device which is used for solving the problems.
The pneumatic braking limit position alarm device comprises an air pressure too low sensor, an alarm piece and an inductive proximity switch; the air pressure too low sensor is respectively and electrically connected with the alarm piece and the inductive proximity switch; the sensor with too low air pressure, the inductive proximity switch and the alarm piece are all arranged on the automobile.
Further, the alarm piece comprises a buzzer.
Further, the alarm piece comprises an indicator light.
Further, the inductive proximity switch is mounted on the automobile through a fixing piece.
Further, the inductive proximity switch is mounted on an automobile adjusting arm support.
Furthermore, the inductive proximity switch is arranged on a fixed plate of the automobile brake shoe.
Further, the inductive proximity switch is mounted on a rear axle of the automobile.
The utility model adopting the technical scheme has the following advantages:
1. According to the utility model, through the cooperation of the low air pressure sensor, the alarm part and the inductive proximity switch, a power line of the inductive proximity switch is connected with a circuit on the low air pressure sensor on the air cylinder, and the alarm part on the automobile is used for reminding a driver that a brake pad reaches a limit and needs to be replaced in time so as to prevent the brake from locking and returning; meanwhile, the problem of misjudgment of braking caused by excessive abrasion of the brake drum and thick brake pad is avoided, so that the effect of protecting life and property loss is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
FIG. 1 is a schematic diagram of a circuit configuration of an air brake limit position alarm device of the present utility model;
reference numerals:
An air pressure too low sensor 1, a buzzer 2, an indicator light 3 and an inductive proximity switch 4.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to implement the embodiments of the disclosure described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. The term "plurality" means two or more, unless otherwise indicated. In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B. The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B. The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
Embodiment one:
As shown in fig. 1, the air brake limit position alarm device of the utility model comprises an air pressure too low sensor 1, an alarm piece and an inductive proximity switch 4 (in the embodiment, the model LJ18A3-5-ZBX is adopted, and in the embodiment, the inductive proximity switch 4 is normally open); the air pressure too low sensor 1 is respectively and electrically connected with the alarm piece and the inductive proximity switch 4; the sensor 1 with too low air pressure, the inductive proximity switch 4 and the alarm are all arranged on the automobile.
Through the cooperation setting of the air pressure too low sensor 1, the alarm piece and the inductive proximity switch 4, a power line of the inductive proximity switch 4 is connected with a circuit on the air pressure too low sensor 1 on the air reservoir, and the alarm piece on the automobile is used for reminding a driver that a brake pad reaches a limit and needs to be replaced in time so as to prevent the brake from locking and returning; meanwhile, the problem of misjudgment of braking caused by excessive abrasion of the brake drum and thick brake pad is avoided, so that the effect of protecting life and property loss is achieved.
In some embodiments, the alarm member includes a buzzer 2 (the buzzer is in the prior art and is not described herein in detail), the buzzer 2 is mounted on the vehicle, and when the air pressure in the air reservoir is lower than 0.6 mpa or the brake pad reaches the limit position, the buzzer 2 continuously sounds, so that it can be judged that the brake pad reaches the limit degree, and the driver is reminded to replace the brake pad or the brake drum.
In some embodiments, the warning device includes an indicator light 3 (the indicator light is of the prior art and is not described herein in detail), and the indicator light 3 is installed in the automobile instrument. When the air pressure in the air cylinder is lower than 0.6 megapascals or the brake pad reaches the limit position, the indicator lamp 3 can be continuously lightened, and the brake pad can be judged to reach the limit degree, so that a driver is reminded of replacing the brake pad or the brake drum.
In some embodiments, the inductive proximity switch 4 is mounted on the automobile by a fixing member (not shown in the drawings), and the fixing member (such as a fixing base and the like in the prior art are not described herein in detail).
In some embodiments, the inductive proximity switch 4 is mounted on the steering arm support of the front wheel of the vehicle. In this embodiment, an inductive contact of the inductive proximity switch 4 is required to be mounted on the eccentric wheel shaft of the adjusting arm of the front wheel of the automobile, and an effective distance is required to be maintained between the mounting position of the inductive contact and the mounting position of the inductive proximity switch 4.
In some embodiments, the inductive proximity switch 4 is mounted on a stationary plate (not shown) of an automotive brake shoe. In this embodiment there is no need to mount an inductive contact.
In some embodiments, the inductive proximity switch 4 is mounted on a rear axle/rear tilt housing (not shown) of the rear wheel of the vehicle.
When the inductive proximity switch 4 is installed, the eccentric wheel shaft of the automobile adjusting arm is adjusted to the braking limit position, and then a certain angle is adjusted back to enable the indicator lamp 3 to be on or the buzzer 2 to work in advance.
Embodiment two:
This embodiment is substantially similar to embodiment 1, except that this embodiment is optimized on the basis of embodiment 1, as shown in fig. 1, including a micro switch (not shown); the air pressure too low sensor 1 is respectively and electrically connected with the alarm piece and the micro switch; the sensor 1 with too low air pressure, the micro switch and the alarm are all arranged on the automobile (the micro switch is connected with a circuit on the sensor 1 with too low air pressure on the air storage cylinder).
The device has simple structure, low cost and reliable installation, and all air brake vehicles can be installed and used.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The pneumatic brake limit position alarm device is characterized by comprising: the sensor is low in air pressure, the alarm piece and the inductive proximity switch;
the air pressure too low sensor is respectively and electrically connected with the alarm piece and the inductive proximity switch;
The sensor with too low air pressure, the inductive proximity switch and the alarm piece are all arranged on the automobile.
2. A pneumatic brake limit position warning device according to claim 1, wherein the warning member comprises a buzzer.
3. A pneumatic brake limit position warning device according to claim 1, wherein the warning means comprises an indicator light.
4. The air brake limit position warning device of claim 1, wherein the inductive proximity switch is mounted to the vehicle by a fastener.
5. The air brake limit position warning device of claim 4, wherein the inductive proximity switch is mounted to an automotive trim arm support.
6. The air brake limit position warning device of claim 4, wherein the inductive proximity switch is mounted to a stationary plate of an automotive brake shoe.
7. The air brake limit position warning device of claim 4, wherein the inductive proximity switch is mounted on a rear axle of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420077384.6U CN221293481U (en) | 2024-01-12 | 2024-01-12 | Pneumatic brake limit position alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420077384.6U CN221293481U (en) | 2024-01-12 | 2024-01-12 | Pneumatic brake limit position alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221293481U true CN221293481U (en) | 2024-07-09 |
Family
ID=91744753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420077384.6U Active CN221293481U (en) | 2024-01-12 | 2024-01-12 | Pneumatic brake limit position alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221293481U (en) |
-
2024
- 2024-01-12 CN CN202420077384.6U patent/CN221293481U/en active Active
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