CN204964540U - Profibus bus belt speed sensor - Google Patents
Profibus bus belt speed sensor Download PDFInfo
- Publication number
- CN204964540U CN204964540U CN201520765313.6U CN201520765313U CN204964540U CN 204964540 U CN204964540 U CN 204964540U CN 201520765313 U CN201520765313 U CN 201520765313U CN 204964540 U CN204964540 U CN 204964540U
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- CN
- China
- Prior art keywords
- profibus
- belt speed
- speed
- speed measuring
- belt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of profibus field bus control, especially, relate to a profibus bus belt speed sensor. A profibus bus belt speed sensor, is including the belt that connects gradually test the speed unit, speed appearance and master control PLC, wherein, the belt tests the speed the unit and includes belt tachometer wheel and speedtransmitter, speedtransmitter sets up on belt tachometer wheel's wheel hub, and speedtransmitter passes through shielded wire connection speed appearance, and the speed appearance other end passes through profibus bus connection master control PLC. The utility model discloses simple structure, simple to operate, wiring be simple, solve through the profibus bus is effective that the wiring that present belt speed sensor exists is loaded down with trivial details, the cable consumption big, the low scheduling problem of the degree of integrating.
Description
Technical field
The utility model belongs to profibus Field Bus Control Technology field, particularly relates to a kind of profibus bus belt speed measuring device.
Background technology
Belt speed measuring device, is adopted in a large number in the system of fuel-burning power plant, to the duty of belt feeder, when specifically detecting the real-time speed of belt, faces the problems such as data volume is large, testing process is complicated.There is cable consumption large, wiring is complicated, and difficulty of construction is large, and Meteorological is higher, on-the-spot electromagnetic interference (EMI) is serious, and later stage operation maintenance difficulty is large, and site space is larger, equipment comparatively disperses, once break down, the location of trouble spot and the investigation of fault be comparatively inconvenience also.
Summary of the invention
The utility model is intended to propose a kind of compact structure, be convenient to install, wiring is simple, is convenient to safeguard and can the device of moment monitoring skin tape speed.
The technical solution of the utility model is:
A kind of profibus bus belt speed measuring device, comprises the belt speed measuring unit, speed instrument and the main control PLC that connect successively; Wherein, belt speed measuring unit comprises belt speed measuring wheel and speed pickup; Speed pickup is arranged on the wheel hub of belt speed measuring wheel, and speed pickup is by shielding line connection speed instrument, and the speed instrument other end connects main control PLC by profibus bus.
Threshold speed setup unit, LCDs, interface circuit, malfunction indicator lamp and redundancy profibus communication unit that described speed instrument comprises dsp processor and is connected respectively with dsp processor.
Described redundancy profibus communication unit comprises profibus mailing address setting unit and redundancy profibus communications interface unit.
Described profibus mailing address setting unit comprises two decimal systems and rotates DIP device, and described rotation DIP device all connects with dsp processor.
Described redundancy profibus communications interface unit is SPC3LV communication interface, and its one end connects dsp processor, and the other end connects main control PLC by isolated form half-duplex RS-485.
Described LCDs and malfunction indicator lamp are all connected with dsp processor by signal isolation modulate circuit.
Described threshold speed setup unit and belt speed measuring unit are all connected with dsp processor by modulate circuit.
Described speed pickup is connected to the interface circuit of speed instrument by shielding line.
Described dsp processor is also provided with power-switching circuit.
Technique effect of the present utility model is:
The utility model belt speed measuring wheel is arranged on directly over belt, and belt speed measuring wheel is followed when belt rotates and formed effective friction, and speed pickup senses wheel hub, and produces a pulse and enter dsp processor, by the display of belt real-time rotate speed to LCDs; Belt information is passed to main control PLC simultaneously.The utility model structure is simple, easy for installation, wiring simple, effectively solved the problems such as the wiring that existing belt speed measuring device exists is loaded down with trivial details, cable consumption is large, integration degree is low by profibus bus.
Accompanying drawing explanation
Fig. 1 is the utility model anatomical connectivity figure.
Fig. 2 is the utility model speed instrument schematic diagram.
Wherein, 1-main control PLC, 2-speed instrument, 3-profibus bus, 4-shielding line, 5-speed pickup, 6-wheel hub, 7-belt speed measuring is taken turns.
Embodiment
A kind of profibus bus belt speed measuring device, comprises the belt speed measuring unit, speed instrument 2 and the main control PLC 1 that connect successively; Wherein, belt speed measuring unit comprises belt speed measuring wheel 7 and speed pickup 5; Speed pickup 5 is arranged on the wheel hub 6 of belt speed measuring wheel 7, and speed pickup 5 is by shielding line 4 connection speed instrument 2, and speed instrument 2 other end connects main control PLC 1 by profibus bus 3.
Threshold speed setup unit, LCDs, interface circuit, malfunction indicator lamp and redundancy profibus communication unit that described speed instrument 2 comprises dsp processor and is connected respectively with dsp processor.Redundancy profibus communication unit comprises profibus mailing address setting unit and redundancy profibus communications interface unit.Profibus mailing address setting unit comprises two decimal systems and rotates DIP device, and described rotation DIP device all connects with dsp processor.Described redundancy profibus communications interface unit is SPC3LV communication interface, and its one end connects dsp processor, and the other end connects main control PLC 1 by isolated form half-duplex RS-485; Wherein, speed pickup 5 is connected to the interface circuit of speed instrument 2 by shielding line 4.LCDs and malfunction indicator lamp are all connected with dsp processor by signal isolation modulate circuit.Threshold speed setup unit and belt speed measuring unit are all connected with dsp processor by modulate circuit.Dsp processor is also provided with power-switching circuit.
Claims (9)
1. a profibus bus belt speed measuring device, comprises the belt speed measuring unit, speed instrument (2) and the main control PLC (1) that connect successively; Wherein, belt speed measuring unit comprises belt speed measuring wheel (7) and speed pickup (5); Speed pickup (5) is arranged on the wheel hub (6) of belt speed measuring wheel (7), it is characterized in that: speed pickup (5) is by shielding line (4) connection speed instrument (2), and speed instrument (2) other end connects main control PLC (1) by profibus bus (3).
2. a kind of profibus bus belt speed measuring device as claimed in claim 1, is characterized in that: threshold speed setup unit, LCDs, interface circuit, malfunction indicator lamp and redundancy profibus communication unit that described speed instrument (2) comprises dsp processor and is connected respectively with dsp processor.
3. a kind of profibus bus belt speed measuring device as claimed in claim 2, is characterized in that: described redundancy profibus communication unit comprises profibus mailing address setting unit and redundancy profibus communications interface unit.
4. a kind of profibus bus belt speed measuring device as claimed in claim 3, is characterized in that: described profibus mailing address setting unit comprises two decimal systems and rotates DIP device, and described rotation DIP device all connects with dsp processor.
5. a kind of profibus bus belt speed measuring device as claimed in claim 3, it is characterized in that: described redundancy profibus communications interface unit is SPC3LV communication interface, its one end connects dsp processor, and the other end connects main control PLC (1) by isolated form half-duplex RS-485.
6. a kind of profibus bus belt speed measuring device as claimed in claim 2, is characterized in that: described LCDs and malfunction indicator lamp are all connected with dsp processor by signal isolation modulate circuit.
7. a kind of profibus bus belt speed measuring device as claimed in claim 2, is characterized in that: described threshold speed setup unit and belt speed measuring unit are all connected with dsp processor by modulate circuit.
8. a kind of profibus bus belt speed measuring device as claimed in claim 2, is characterized in that: described speed pickup (5) is connected to the interface circuit of speed instrument (2) by shielding line (4).
9. a kind of profibus bus belt speed measuring device as claimed in claim 2, is characterized in that: described dsp processor is also provided with power-switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765313.6U CN204964540U (en) | 2015-09-30 | 2015-09-30 | Profibus bus belt speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765313.6U CN204964540U (en) | 2015-09-30 | 2015-09-30 | Profibus bus belt speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964540U true CN204964540U (en) | 2016-01-13 |
Family
ID=55059596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765313.6U Expired - Fee Related CN204964540U (en) | 2015-09-30 | 2015-09-30 | Profibus bus belt speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405143A (en) * | 2016-06-17 | 2017-02-15 | 安庆市虹泰新材料有限责任公司 | Belt linear velocity speed measurement device based on encoder |
-
2015
- 2015-09-30 CN CN201520765313.6U patent/CN204964540U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405143A (en) * | 2016-06-17 | 2017-02-15 | 安庆市虹泰新材料有限责任公司 | Belt linear velocity speed measurement device based on encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |