CN221173438U - High-stability RS-485 low-power-consumption data acquisition instrument - Google Patents
High-stability RS-485 low-power-consumption data acquisition instrument Download PDFInfo
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- CN221173438U CN221173438U CN202323347020.XU CN202323347020U CN221173438U CN 221173438 U CN221173438 U CN 221173438U CN 202323347020 U CN202323347020 U CN 202323347020U CN 221173438 U CN221173438 U CN 221173438U
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a high-stability RS-485 low-power-consumption data acquisition instrument which comprises a protection shell and an acquisition instrument main body, wherein the protection shell comprises an upper shell plate, a lower shell plate and a containing cavity which is surrounded by the upper shell plate and the lower shell plate and is communicated with each other in the front-back direction, the acquisition instrument main body is arranged in the containing cavity and fixedly connected with the protection shell, the acquisition instrument main body comprises a shell, a microcontroller, a power module, a shockproof structure and a heat dissipation dustproof structure, the microcontroller and the power module are arranged in the shell, the microcontroller is electrically connected with the power module, the heat dissipation dustproof structure is arranged on a rear panel of the shell, and the shockproof structure is arranged on a bottom plate of the shell. According to the design, the radiating holes and the dustproof net are arranged on the acquisition instrument main body, so that the radiating and dustproof functions are improved, the influence of field vibration on the service performance of the acquisition instrument main body is relieved by the added shockproof pad, the low-power-consumption controller is adopted, the power consumption of equipment is reduced, the heating value of the equipment is reduced, and the data acquisition stability of the RS-485 sensor is improved.
Description
Technical Field
The utility model relates to a data acquisition instrument, in particular to a high-stability RS-485 low-power-consumption data acquisition instrument.
Background
In the field of civil structure monitoring, RS-485 is used as a serial data communication protocol, twisted pair is used as a transmission medium for data transmission and processing, and the sensor has the characteristics of simple structure, low cost and convenience in installation and debugging, so that the sensor is widely applied to the field of sensors. Meanwhile, because the RS-485 has better anti-interference capability, the RS-485 becomes a preferred communication mode for realizing remote monitoring.
The sensor adopts the RS-485 interface to output data to the data acquisition instrument, after data acquisition is finished, the signal is transmitted to the monitoring terminal through the circuit for analysis and processing, the data acquisition instrument is used as a data transmission pivot, and the quality and effect of acquired data are determined by the importance of stable operation of the data acquisition instrument.
In an actual application scene, the data acquisition instrument is generally arranged near a required monitoring structure due to the limitation of an RS-485 communication protocol on the transmission distance, and the environment of the monitoring structure on site is complex and changeable, so that the data acquisition instrument can be subjected to interference of various factors such as dust, heat, humidity, structure vibration and the like. At present, most of the RS-485 data acquisition instrument is protected through a protective shell, but the protection effect is insufficient in face of various environmental factors, and once equipment fails, the failure of the whole acquisition system can be directly caused. Therefore, it is necessary to design a data acquisition instrument to solve the above-mentioned problems.
Disclosure of utility model
In order to solve the defects of the technology, the utility model provides the RS-485 low-power-consumption data acquisition instrument with high stability.
In order to solve the technical problems, the technical scheme adopted by the utility model is that the high-stability RS-485 low-power-consumption data acquisition instrument comprises a protective shell, a shell cover and a shell cover, wherein the protective shell comprises an upper shell plate, a lower shell plate and a containing cavity which is formed by the upper shell plate and the lower shell plate and is communicated with each other in the front-back direction;
The acquisition instrument main body is arranged in the accommodating cavity and fixedly connected with the protective shell;
The acquisition instrument main body comprises a shell, a microcontroller and a power module which are arranged in the shell, a heat dissipation dustproof structure arranged on a rear panel of the shell and a shockproof structure arranged on a bottom plate of the shell;
the microcontroller is electrically connected with the power module;
the shockproof structure comprises a shockproof pad and a baffle plate, the shockproof pad is arranged at the bottom of the inside of the shell, and the baffle plate is arranged at the upper part of the shockproof pad.
Further, two sides of the lower shell plate opposite to the upper shell plate are provided with overhanging edges, and limiting holes are formed in the overhanging edges.
Further, a plurality of fixing holes are formed in two side plates of the upper shell plate, a plurality of positioning holes which are at the same positions as the fixing holes are formed in two side plates of the shell, and the acquisition instrument body is fixedly connected with the protective shell through the positioning holes and the fixing holes.
Further, an RS-485 wiring terminal, a network cable interface, an indicator light, a sensor power wiring terminal and a power supply connecting hole are arranged on the front panel of the shell, and the sensor power wiring terminal is connected with the power supply connecting hole through a cable.
Further, the microcontroller comprises an RS-485 concentrator, a low-power-consumption microcontroller and a MOSFET, wherein the RS-485 concentrator is connected with the RS-485 wiring terminal through a communication cable, the microcontroller is connected with the network cable interface through a network cable, and the microcontroller is further connected with the indicator lamp through the communication cable.
Further, the power module is connected with the power connecting hole through a cable, the power connecting hole is connected with an external power supply, the power module is electrically connected with the RS-485 concentrator and the low-power consumption microcontroller, and the power module is also electrically connected with the MOSFET.
Further, the heat dissipation dustproof structure comprises a heat dissipation hole and a dustproof net, wherein the heat dissipation hole is formed in the rear panel of the shell, and the dustproof net is arranged on the inner side of the shell and is positioned in front of the heat dissipation hole.
Further, the number of the shock-proof pads is multiple, and a microcontroller and a power module are arranged on the upper portion of the partition plate.
The utility model discloses a high-stability RS-485 low-power-consumption data acquisition instrument, which is characterized in that a protective cover is fixedly connected to the outside of an acquisition instrument main body, the acquisition instrument main body is protected, and a limiting hole is formed in the protective cover, so that the acquisition instrument main body is conveniently fixed at a position required to be installed; the heat dissipation performance of the acquisition instrument main body is improved through the heat dissipation holes and the dust screen arranged on the rear panel of the acquisition instrument main body, external dust is isolated, and the data acquisition stability of the acquisition instrument main body is ensured; the influence of external vibration on the usability of the acquisition instrument main body is relieved through the shock pad arranged on the bottom plate of the acquisition instrument main body; the microcontroller adopts the low-power-consumption controller, so that the power consumption of the equipment is reduced, the heating value of the equipment is reduced, and the data acquisition stability of the RS-485 sensor is improved. The wiring terminal, the network cable interface and the power supply connector Kong Jizhong are arranged on the front panel of the acquisition instrument main body, so that on-site cable arrangement and wiring are facilitated.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of a protective shell according to the present utility model.
Fig. 3 is a schematic perspective view of the main body of the acquisition instrument according to the present utility model.
Fig. 4 is a rear view of the body of the harvester of the utility model.
Fig. 5 is a schematic view showing the internal structure of the main body of the collecting instrument according to the present utility model, with the upper panel removed.
Fig. 6 is a schematic view showing the internal structure of the main body of the collecting instrument according to the present utility model, with the front panel removed.
In the figure: 1. a protective shell; 2. a collector body; 11. an upper shell plate; 12. a lower shell plate; 13, a containing cavity; 14. a limiting hole; 15. a fixing hole; 21. a housing; 22. a microcontroller; 23. a power module; 24. a heat-dissipating dust-proof structure; 25. a shockproof structure; 26. positioning holes; 211. an RS-485 wiring terminal; 212. a network cable interface; 213. an indicator light; 214. sensor power supply wiring terminals; 215. a power supply connection hole; 221. an RS-485 concentrator; 222. a low power consumption microcontroller; 223. a MOSFET; 241. a heat radiation hole; 242. a dust screen; 251. a vibration-proof pad; 252. a partition board.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic perspective view of a high-stability RS-485 low-power data acquisition device. The utility model provides a protective housing 1 and collection instrument main part 2, protective housing 1 includes upper housing plate 11, lower housing plate 12 and by the communicating accommodation chamber 13 in front and back that upper housing plate 11 and lower housing plate 12 enclose, collection instrument main part 2 sets up in accommodation chamber 13. The protective housing 1 protects the acquisition instrument body 2 from external disturbances.
A plurality of fixing holes 15 are formed in two side plates of the upper shell plate 11, and a plurality of positioning holes 26 which are positioned at the same positions as the fixing holes 15 are formed in two side plates of the shell 21. In one embodiment, the fixing hole 15 is a screw hole, the positioning hole 26 is a screw hole, and the acquisition instrument main body 2 is fixedly connected with the protective shell 1 through the screw connection positioning hole 26 and the fixing hole 15. In another embodiment, the fixing hole 15 is a through hole, the positioning hole 26 is a through hole, and the collector body 2 passes through the positioning hole 26 and the fixing hole 15 through a blind rivet and is fixedly connected with the protective shell 1.
Fig. 2 is a schematic perspective view of a protective housing of an RS-485 low power data acquisition instrument with high stability. The protective housing 1 includes an upper shell plate 11, a lower shell plate 12 and a containing cavity 13 which is formed by the upper shell plate 11 and the lower shell plate 12 and is communicated with each other in the front-back direction, and the containing cavity 13 is a rectangular through cavity. A plurality of fixing holes 15 for fixing the acquisition instrument main body 2 are arranged on two side plates of the upper shell plate 11. The two sides of the lower shell plate 12 opposite to the upper shell plate 11 are provided with overhanging edges, each overhanging edge is provided with two limiting holes 14, and the limiting holes 14 of the protective shell 1 fix the utility model at required positions by bolts, including but not limited to a cabinet, a bracket, the ground and a wall body.
Fig. 3 is a schematic perspective view of a main body of the high-stability RS-485 low-power data acquisition device. The acquisition instrument main body 2 comprises a shell 21, wherein an RS-485 wiring terminal 211, a network cable interface 212, an indicator lamp 213, a sensor power wiring terminal 214 and a power supply connecting hole 215 are arranged on a front panel of the shell 21, the RS-485 wiring terminal 211, the network cable interface 212, the indicator lamp 213, the sensor power wiring terminal 214 and the power supply connecting hole 215 are concentrated on the front panel, and on-site cable arrangement and wiring are facilitated.
Fig. 4 is a rear view of the main body of the high-stability RS-485 low-power data collector. The rear panel of the housing 21 is provided with a heat dissipation dustproof structure 24, the heat dissipation dustproof structure 24 comprises a heat dissipation hole 241 and a dustproof net 242, the heat dissipation hole 241 is arranged on the rear panel of the housing 21, and the dustproof net 242 is arranged on the inner side of the housing 21 and is positioned in front of the heat dissipation hole 241. The heat dissipation holes 241 facilitate the improvement of the heat dissipation function of the collector body 2, and the dust screen 242 facilitates the dust prevention function of the collector body 2.
Fig. 5 is a schematic diagram showing an internal structure of an acquisition instrument body of the RS-485 low-power-consumption data acquisition instrument with a top panel removed. The acquisition instrument main body 2 is internally provided with a microcontroller 22 and a power module 23, wherein the microcontroller 22 comprises an RS-485 hub 221, a low-power-consumption microcontroller 222 and a MOSFET223. The low power microcontroller 222 is of the STM32H7 series model.
The RS-485 concentrator 221 is connected with the RS-485 wiring terminal 211 through a communication cable, the microcontroller 22 is connected with the network cable interface 212 through a network cable, the microcontroller 22 is also connected with the indicator lamp 213 through a communication cable, and the low-power consumption microcontroller 222 is internally provided with the LUA script, the JS script and the application program.
The power module 23 is connected with the power connection hole 215 through a cable, the power connection hole 215 is connected with an external power supply, the power module 23 is electrically connected with the RS-485 hub 221 and the low-power consumption microcontroller 222, and the power module 23 is also electrically connected with the MOSFET 223. After the power module 23 and an external power supply are connected into the acquisition instrument main body 2, the acquisition instrument main body is divided into two paths for supplying power to different modules, one path supplies power to the RS485 concentrator through 3.3V voltage stabilization and the low-power consumption microcontroller 222, and the other path supplies power to the external sensor through the MOSFET 223.
Fig. 6 is a schematic diagram showing an internal structure of an acquisition instrument body of the RS-485 low-power-consumption data acquisition instrument with a front panel removed. The base plate of the shell 21 is provided with a shockproof structure 25, the shockproof structure 25 comprises a shockproof pad 251 and a baffle plate 252, the shockproof pad 251 is arranged at the bottom of the interior of the shell 21, the number of the shockproof pads 251 is multiple, the baffle plate 252 is arranged at the upper part of the shockproof pad 251, and the microcontroller 22 and the power module 23 are arranged at the upper part of the baffle plate 252. In the bridge or civil construction operation environment, the influence of vibration generated by movable load on the data acquisition of the utility model is reduced.
The utility model discloses a high-stability RS-485 low-power-consumption data acquisition instrument, which is characterized in that a protective cover is fixedly connected to the outside of an acquisition instrument main body, the acquisition instrument main body is protected, and a limiting hole is formed in the protective cover, so that the acquisition instrument main body is conveniently fixed at a position required to be installed; the heat dissipation performance of the acquisition instrument main body is improved through the heat dissipation holes and the dust screen arranged on the rear panel of the acquisition instrument main body, external dust is isolated, and the data acquisition stability of the acquisition instrument main body is ensured; the influence of external vibration on the usability of the acquisition instrument main body is relieved through the shock pad arranged on the bottom plate of the acquisition instrument main body; the microcontroller adopts the low-power-consumption controller, so that the power consumption of the equipment is reduced, the heating value of the equipment is reduced, and the data acquisition stability of the RS-485 sensor is improved. The wiring terminal, the network cable interface and the power supply connector Kong Jizhong are arranged on the front panel of the acquisition instrument main body, so that on-site cable arrangement and wiring are facilitated.
The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (8)
1. A high-stability RS-485 low-power consumption data acquisition instrument is characterized in that: the protective shell (1) comprises an upper shell plate (11), a lower shell plate (12) and a containing cavity (13) which is formed by the upper shell plate (11) and the lower shell plate (12) and is communicated with each other in the front-back direction;
The acquisition instrument main body (2) is arranged in the accommodating cavity (13) and fixedly connected with the protective shell (1);
The acquisition instrument main body (2) comprises a shell (21), a microcontroller (22) and a power module (23) which are arranged in the shell (21), a heat dissipation dustproof structure (24) arranged on a rear panel of the shell (21) and a shockproof structure (25) arranged on a bottom plate of the shell (21);
The microcontroller (22) is electrically connected with the power supply module (23);
The shockproof structure (25) comprises a shockproof pad (251) and a baffle plate (252), the shockproof pad (251) is arranged at the bottom of the inside of the shell (21), and the baffle plate (252) is arranged at the upper part of the shockproof pad (251).
2. The high-stability RS-485 low power data collector of claim 1, wherein: the two sides of the lower shell plate (12) opposite to the upper shell plate (11) are provided with overhanging edges, and limiting holes (14) are formed in the overhanging edges.
3. The high-stability RS-485 low power data collector of claim 1, wherein: the utility model discloses a collection instrument, including shell, shell body, protective housing (1), shell body, locating hole (26) and protective housing (1) are all provided with a plurality of fixed orificess (15) on the both sides board of last shell plate (11), a plurality of locating holes (26) with fixed orificess (15) same position all are provided with on the both sides board of shell body (21), collection instrument main part (2) are through locating hole (26) and fixed orificess (15) and protective housing (1) fixed connection.
4. The high-stability RS-485 low power data collector of claim 1, wherein: the front panel of the shell (21) is provided with an RS-485 wiring terminal (211), a network cable interface (212), an indicator lamp (213), a sensor power wiring terminal (214) and a power supply connecting hole (215), and the sensor power wiring terminal (214) is connected with the power supply connecting hole (215) through a cable.
5. The high stability RS-485 low power data collector according to any of claims 1-4, characterized in that: the microcontroller (22) comprises an RS-485 concentrator (221), a low-power-consumption microcontroller (222) and a MOSFET (223), wherein the RS-485 concentrator (221) is connected with an RS-485 wiring terminal (211) through a communication cable, the microcontroller (22) is connected with a network cable interface (212) through a network cable, and the microcontroller (22) is also connected with an indicator lamp (213) through the communication cable.
6. The high-stability RS-485 low power data collector according to claim 5, wherein: the power module (23) is connected with the power connecting hole (215) through a cable, the power connecting hole (215) is connected with an external power supply, the power module (23) is electrically connected with the RS-485 concentrator (221) and the low-power consumption microcontroller (222), and the power module (23) is also electrically connected with the MOSFET (223).
7. The high-stability RS-485 low power data collector of claim 1, wherein: the heat dissipation dustproof structure (24) comprises a heat dissipation hole (241) and a dustproof net (242), wherein the heat dissipation hole (241) is formed in the rear panel of the shell (21), and the dustproof net (242) is arranged on the inner side of the rear panel of the shell (21) and is positioned in front of the heat dissipation hole (241).
8. The high-stability RS-485 low power data collector of claim 1, wherein: the number of the shock pads (251) is multiple, and a microcontroller (22) and a power module (23) are arranged on the upper portion of the partition plate (252).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323347020.XU CN221173438U (en) | 2023-12-08 | 2023-12-08 | High-stability RS-485 low-power-consumption data acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323347020.XU CN221173438U (en) | 2023-12-08 | 2023-12-08 | High-stability RS-485 low-power-consumption data acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221173438U true CN221173438U (en) | 2024-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323347020.XU Active CN221173438U (en) | 2023-12-08 | 2023-12-08 | High-stability RS-485 low-power-consumption data acquisition instrument |
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| Country | Link |
|---|---|
| CN (1) | CN221173438U (en) |
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- 2023-12-08 CN CN202323347020.XU patent/CN221173438U/en active Active
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