CN214355971U - Pressure detection sensor device for brake cylinder of railway wagon - Google Patents
Pressure detection sensor device for brake cylinder of railway wagon Download PDFInfo
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- CN214355971U CN214355971U CN202023308090.0U CN202023308090U CN214355971U CN 214355971 U CN214355971 U CN 214355971U CN 202023308090 U CN202023308090 U CN 202023308090U CN 214355971 U CN214355971 U CN 214355971U
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Abstract
The utility model relates to a railway freight car checking cylinder pressure detection sensor device, including fastening bolt, the pressure measurement chip, FR & LR chip, power supply battery and shell, first cavity has been seted up to the bottom inboard of shell, the second cavity has been seted up to fastening bolt's top inboard, top in the first cavity is provided with power supply battery, power supply battery's bottom is provided with FR & LR chip, FR & LR chip's bottom is provided with the pressure measurement chip, the pressure measurement chip is located the inboard bottom of second cavity, the through-hole has been seted up to fastening bolt's intermediate position, the top and the second cavity of through-hole are linked together, the bottom and the checking cylinder cavity of through-hole are linked together. The utility model discloses can the on-line monitoring freight train brake braking system's validity, do not need manual operation can monitor. The utility model discloses the simple structure of sensor, simple to operate, the speciality is strong, can greatly save time, improves monitoring efficiency.
Description
Technical Field
The utility model relates to a railway freight car checking cylinder pressure detection correlation technique field especially relates to a railway freight car checking cylinder pressure detection sensor device.
Background
At present, the domestic freight train is generally provided with an air brake, and a brake cylinder is arranged at the bottom of the railway wagon. The brake state is the braking state when the brake cylinder has wind, and the release state is the releasing state when the brake cylinder has no wind. The bottom of the brake cylinder is provided with a drainage plug bolt, and the bolt needs to be unscrewed and then screwed in during maintenance or other conditions. The detection stations of the vehicle operation safety monitoring system are distributed along the railway line, and are about 30 kilometers. When the vehicle needs to be overhauled, the vehicle needs to be temporarily stopped, the vehicle inspection personnel inspect the carriages one by one, and the vehicle can continue to operate only after the inspection is qualified. The maintenance generally takes a long time due to the limitation of train organization length and parking environment, and the large-area late train is often caused because the occupied line affects the operation of other main trains, thereby seriously affecting the freight volume. And at present, no sensor device for monitoring the air pressure of the brake cylinder on line is arranged on the brake cylinder of the railway wagon, and the sensor device is used for monitoring the air pressure of the brake cylinder in real time.
In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a pressure detecting sensor device for a brake cylinder of a railway freight car, which has industrial value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a railway freight car checking cylinder pressure detection sensor device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a rail wagon checking cylinder pressure detection sensor device, including fastening bolt, the pressure measurement chip, FR & LR chip, power supply battery and shell, first cavity has been seted up to the bottom inboard of shell, the second cavity has been seted up to fastening bolt's top inboard, first cavity is linked together with the second cavity, top in the first cavity is provided with power supply battery, power supply battery's bottom is provided with FR & LR chip, the bottom of FR & LR chip is provided with the pressure measurement chip, the pressure measurement chip is located the inboard bottom of second cavity, the through-hole has been seted up to fastening bolt's intermediate position, the top and the second cavity of through-hole are linked together, the bottom and the checking cylinder cavity of through-hole are linked together.
As a further improvement, the bottom of shell has evenly seted up the first screw hole of a plurality of along the circumferencial direction, and fastening bolt's top has evenly seted up a plurality of second screw hole along the circumferencial direction, and a plurality of screw loops through first screw hole and second screw hole and links together shell and fastening bolt.
As a further improvement of the present invention, the screw is M3 × 8.
As a further improvement, the bottom outside of the fastening bolt is provided with a thread part, the top position of the thread part is provided with an arc groove, and a sealing ring is arranged in the arc groove.
As the utility model discloses a further improvement, the power supply battery passes through battery pedestal mounting in first cavity, and battery pedestal's bottom is provided with a plurality of card along the circumferencial direction is even, and the card fastens the power supply battery on battery pedestal.
As a further improvement of the utility model, the shell is a PEEK shell.
As a further improvement, the pressure range of the pressure measuring chip is 0 to 15 Bar.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses can the on-line monitoring freight train brake braking system's validity, do not need manual operation can monitor. The effectiveness monitoring of truck brake is more accurate, and through pressure sensor's monitoring, the precision is high, and is more scientific. When the brake of a certain carriage fails, the specific marshalling position of the train where the carriage is located can be accurately determined. The sensor adopts the mode of removable battery power supply, need not to carry out the wiring to the power supply of sensor. The utility model discloses the simple structure of sensor, simple to operate, the speciality is strong, can greatly save time, improves monitoring efficiency.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a pressure detection sensor device for a brake cylinder of a railway wagon according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a schematic view of the internal structure of the fastening bolt of fig. 1 or 2.
In the drawings, the meanings of the reference numerals are as follows.
1 fastening bolt 2 sealing ring
3 pressure measuring chip 4 FR & LF chip
5 power supply battery 6 battery base
7 case 8 screw
9 first threaded hole 10 first cavity
11 second threaded hole of card 12
13 through hole 14 second cavity
15 16 arc groove of thread part
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figures 1 to 3 of the drawings,
the utility model provides a rail wagon brake cylinder pressure detection sensor device, including fastening bolt 1, pressure measurement chip 3, FR & LR chip 4, supply battery 5 and shell 7, first cavity 10 has been seted up to the bottom inboard of shell 7, second cavity 14 has been seted up to fastening bolt 1's top inboard, first cavity 10 is linked together with second cavity 14, top in the first cavity 10 is provided with supply battery 5, supply battery 5's bottom is provided with FR & LR chip 4, FR & LR chip 4's bottom is provided with pressure measurement chip 3, pressure measurement chip 3 is located second cavity 14's inboard bottom, through-hole 13 has been seted up to fastening bolt 1's intermediate position, the top and the second cavity 14 of through-hole 13 are linked together, the bottom and the brake cylinder cavity of through-hole 13 are linked together.
Preferably, the bottom of the shell 7 is uniformly provided with a plurality of first threaded holes 9 along the circumferential direction, the top of the fastening bolt 1 is uniformly provided with a plurality of second threaded holes 12 along the circumferential direction, and the plurality of screws 8 sequentially pass through the first threaded holes 9 and the second threaded holes 12 to connect the shell 7 and the fastening bolt 1 together.
Preferably, the screw 8 has the model M3 × 8.
Preferably, the fastening bolt 1 is provided with a threaded portion 15 at the outer side of the bottom, an arc groove 16 is formed at the top of the threaded portion 15, and the sealing ring 2 is arranged in the arc groove 16.
Preferably, the power supply battery 5 is installed in the first cavity 10 through the battery base 6, a plurality of clamping pieces 11 are evenly arranged at the bottom of the battery base 6 along the circumferential direction, and the clamping pieces 11 fasten the power supply battery 5 on the battery base 6.
Preferably, the housing 7 is a PEEK housing.
Preferably, the pressure range of the pressure measuring chip 3 is 0-15 Bar.
The embodiment of the utility model provides a railway freight car checking cylinder pressure detection sensor device, device are on the freight car checking cylinder for the pressure of real-time supervision checking cylinder conveys the station receiving station after pressure data analysis simultaneously and carries out the analysis and judge whether atmospheric pressure is in qualified requirement within range.
The sensor is arranged at the gas circuit end of the brake cylinder of each truck, mainly detects the pressure of the brake cylinder of each truck, and sends the pressure to the receiving host and the grouping sequence identification host in a wireless mode, and the power supply mode is battery power supply.
Please refer to fig. 1, which is a schematic structural diagram of an embodiment of the present invention. Wherein 1 is a fastening bolt, and is arranged on a brake cylinder at the bottom of the truck, and a middle through hole of the fastening bolt is communicated with a cavity of the brake cylinder. And 2, a sealing ring plays a role in sealing. And 3, a pressure measuring chip. And 4, an FR & LF chip for triggering and receiving wireless signals. And 5 is a power supply battery. And 6 is a battery base. And 7 is a shell. 8 is a screw of M3 × 8.
Fig. 3 is the structural schematic diagram of the fastening bolt 1 in the embodiment of the present invention, and the fastening bolt 1 is loaded on the brake cylinder at the bottom of the truck, and the through hole 13 in the middle of the fastening bolt 1 is communicated with the brake cylinder cavity.
In the sensor device of the present embodiment, the fastening bolt 1 is fixed to the brake cylinder at the bottom of the truck, thereby fixing the entire sensor device to the brake cylinder. The fixing bolt 1 has a through hole 13 in the middle to communicate with the brake cylinder cavity, thereby transmitting the air pressure of the brake cylinder to the pressure measuring chip 3. The pressure range of the pressure measuring chip 3 is 0-15 Bar, and the pressure of a truck brake cylinder can be accurately acquired. Wherein 2 is the sealing washer, plays sealed effect, makes the check cylinder not communicate with the external world, and pressure is not influenced. And 4, an FR & LF chip, wherein an LF module of the sensor is mainly used for receiving, and after receiving an LF trigger signal of the host, the pressure of the truck brake cylinder is sent to the receiving host through a wireless (RF module). 5 is a power supply battery, a replaceable battery is adopted for supplying power, and a single battery can meet the service life of more than 2 years. And 6, the battery base is used for supporting the battery base and has the circuit conduction function. And 7, a PEEK shell wraps the whole sensor device and reaches the IP67 level, and the transmission of wireless signals is not influenced. And 8 is a screw M3 x 8, and the shell 7 is fixedly connected with the fastening bolt 1.
The working principle of the embodiment is as follows: the embodiment provides a pressure detection sensor device for a brake cylinder of a railway wagon. The pressure of the brake cylinder is monitored on line in real time through a pressure measuring sensor arranged on the brake cylinder of the wagon, meanwhile, after the LF module receives a trigger signal of the host, data of the pressure measuring sensor is transmitted back to the host through the RF sensor, and is analyzed and judged, so that the state of the wagon brake is monitored.
The beneficial effect of this embodiment lies in: the effectiveness of the truck brake system can be monitored on line without manual operation. The effectiveness monitoring of truck brake is more accurate, and through pressure sensor's monitoring, the precision is high, and is more scientific. When the brake of a certain carriage fails, the specific marshalling position of the train where the carriage is located can be accurately determined. The sensor adopts the mode of removable battery power supply, need not to carry out the wiring to the power supply of sensor. The sensor is simple in structure, convenient to install and high in specificity, time can be greatly saved, and monitoring efficiency is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being grined. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate member, or may be a communication between two elements.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The pressure detection sensor device for the brake cylinder of the railway wagon is characterized by comprising a fastening bolt (1), a pressure measuring chip (3), an FR & LR chip (4), a power supply battery (5) and a shell (7), wherein a first cavity (10) is formed in the inner side of the bottom of the shell (7), a second cavity (14) is formed in the inner side of the top of the fastening bolt (1), the first cavity (10) is communicated with the second cavity (14), the power supply battery (5) is arranged at the top of the first cavity (10), the FR & LR chip (4) is arranged at the bottom of the power supply battery (5), the pressure measuring chip (3) is arranged at the bottom of the FR & LR chip (4), the pressure measuring chip (3) is located at the bottom of the inner side of the second cavity (14), a through hole (13) is formed in the middle position of the fastening bolt (1), and the top of the through hole (13) is communicated with the second cavity (14), the bottom of the through hole (13) is communicated with the brake cylinder cavity.
2. A brake cylinder pressure detecting sensor apparatus for a railway freight car as claimed in claim 1, wherein a plurality of first screw holes (9) are formed uniformly along a circumferential direction in a bottom portion of the housing (7), a plurality of second screw holes (12) are formed uniformly along a circumferential direction in a top portion of the fastening bolt (1), and a plurality of screws (8) are sequentially passed through the first screw holes (9) and the second screw holes (12) to connect the housing (7) and the fastening bolt (1) together.
3. A brake cylinder pressure sensing sensor arrangement for railway wagons according to claim 2, characterized in that said screw (8) is of the type M3 x 8.
4. A brake cylinder pressure detecting sensor device for a railway wagon as claimed in claim 1, wherein a threaded portion (15) is provided at an outer side of a bottom of the fastening bolt (1), an arc groove (16) is formed at a top position of the threaded portion (15), and a sealing ring (2) is provided in the arc groove (16).
5. A brake cylinder pressure detecting sensor arrangement for a railway wagon as claimed in claim 1, characterized in that the supply battery (5) is mounted in the first cavity (10) by means of a battery seat (6), the bottom of the battery seat (6) being provided with a number of tabs (11) uniformly arranged in the circumferential direction, the tabs (11) fastening the supply battery (5) to the battery seat (6).
6. A brake cylinder pressure detecting sensor arrangement for railway wagons according to claim 1, characterized in that said shell (7) is a PEEK shell.
7. A brake cylinder pressure detection sensor arrangement for a railway wagon according to claim 1, wherein the pressure of the pressure measuring chip (3) is in the range of 0 to 15 Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308090.0U CN214355971U (en) | 2020-12-30 | 2020-12-30 | Pressure detection sensor device for brake cylinder of railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023308090.0U CN214355971U (en) | 2020-12-30 | 2020-12-30 | Pressure detection sensor device for brake cylinder of railway wagon |
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| Publication Number | Publication Date |
|---|---|
| CN214355971U true CN214355971U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023308090.0U Active CN214355971U (en) | 2020-12-30 | 2020-12-30 | Pressure detection sensor device for brake cylinder of railway wagon |
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| CN (1) | CN214355971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2034702A (en) * | 2022-04-27 | 2023-11-10 | Shenzhen Kemin Sensor Co Ltd | Pressure sensor for monitoring wind pressure of brake cylinder of freight train |
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2020
- 2020-12-30 CN CN202023308090.0U patent/CN214355971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2034702A (en) * | 2022-04-27 | 2023-11-10 | Shenzhen Kemin Sensor Co Ltd | Pressure sensor for monitoring wind pressure of brake cylinder of freight train |
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