CN204263601U - Punching machine angular display unit - Google Patents
Punching machine angular display unit Download PDFInfo
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- CN204263601U CN204263601U CN201420673413.1U CN201420673413U CN204263601U CN 204263601 U CN204263601 U CN 204263601U CN 201420673413 U CN201420673413 U CN 201420673413U CN 204263601 U CN204263601 U CN 204263601U
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- angular transducer
- display unit
- linear hall
- punching machine
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Abstract
The utility model relates to a kind of punching machine angular display unit, belong to forcing press detection technique field, it is the improvement to existing electronics angle display device structure, the angular transducer of main feature to be signaling interface access with linear hall-effect device be signal collecting element, angular transducer signal access single-chip microcomputer, mechanical pressure machine crankshaft drives in the mechanical rotation axle rotation process in angular transducer, the change in linear hall element induction permanent magnet magnetic ring magnetic field, linear hall element exports analog voltage signal, export through output interface, the angular transducer signaling interface of angular display unit is connected to by cable.The signal that single-chip microcomputer inputs angular transducer is sampled, calculate to table look-up and draw angle data signal, by display circuit display real-time angular value.The utility model adopts linear hall-effect device to be signal collecting element, and hall device induced field is changed to cordless, and the absolute position angle of the corresponding bent axle of analog voltage of output, the environment such as greasy dirt, dust is on it without impact simultaneously, and anti-seismic performance is good.
Description
Technical field
The utility model relates to a kind of punching machine angular display unit (being commonly called as horse race lamp), the angle value that display press crankshaft position is corresponding, belongs to forcing press detection technique field.
Background technology
The normally used angle indicating device of current punching machine has mechanical pointer scale dish and electronics angular display unit (being commonly called as horse race lamp).Mechanical indicator dial is arranged on the top of mechanical pressure machine crankshaft, instruction crankshaft rotational position, but is sometimes not easy to sight looks into by installation position of drive shafting restriction.Electronics angular display unit is formed primarily of input interface circuit, display circuit, angular transducer, single-chip microcomputer and power circuit.The bent axle connection angle sensor of punching machine, single-chip microcomputer decoding draws angle data signal, and display circuit angles of display value indicates the position of bent axle and provides man-machine interface parameters.In current electronics angular display unit, normally used angular transducer has photoelectricity incremental encoder.
Adopt photoelectricity incremental encoder as the electronics angular display unit of angular transducer, its photoelectricity incremental encoder exports A, B, Z tri-road incremental encoding signal, and angle decoding circuit carries out computing by counting circuit to A, B, Z input signal and draws punching machine crank position angle value.Employing photoelectric encoder is that the electronics angular display unit of angular transducer exists following problem: (1) anti-dust performance is poor.Because industrial environment is severe, dust is many, simultaneously because the code-disc rotary part of photoelectricity incremental encoder is difficult to sealing, once there be dust on the photoelectric device of photoelectricity incremental encoder inside and circular code-disc, the optical signal that light receiving element detects will be made mistakes, even can't detect optical signal, export voltage pulse signal make mistakes or no signal export, cause detect angle value and press crankshaft position not corresponding.(2) incremental encoder draws angle by counting, and its output is not absolute position angle.Incremental encoder re-powers after a power failure again, by power down preserve incremental encoding export the counted number of pulses of A, B realize powering on after press crankshaft position corresponding to initial angle detect, if there is error the angle of primary detection and press crankshaft absolute position after power down save value is made mistakes or after power down, incremental encoder mechanical axis has rotation all can cause powering on.(3) because vibrations when forcing press works are large, incremental encoder anti-seismic performance is poor, causes reliability reduction, life-span minimizing.
Utility model content
The utility model provides a kind of punching machine angular display unit, and in order to exist during angular transducer, antidetonation, anti-dust performance are poor, absolute angle and the not corresponding problem of crank position with photoelectricity incremental encoder for the electronics angular display unit installed at present for punching machine.Realize dust-proof, antidetonation and the absolute position of corresponding bent axle by the utility model, improve the reliability of electronics angular display unit.
The utility model is achieved through the following technical solutions, a kind of punching machine angular display unit, comprise housing, angular transducer signaling interface on housing, input interface circuit in housing, display circuit, single-chip microcomputer and power circuit, it is characterized in that, described angular transducer signaling interface access take linear hall-effect device as the angular transducer of signal collecting element, angular transducer signal access single-chip microcomputer.
Described angular transducer comprises housing, turning cylinder, printed circuit board, linear hall element, output interface circuit and permanent magnet magnetic ring; On turning cylinder, the solid permanent magnet magnetic ring of cover, printed circuit board is installed linear hall element and output interface circuit, and linear hall element is relative with permanent magnet magnetic ring surface and be connected with output interface circuit, and output interface circuit is common voltage follower.
Described printed circuit board is fixedly no less than two linear hall elements.
Described mechanical rotation axle overlaps the radial magnetic ring that solid permanent magnet magnetic ring is a pair magnetic pole.
Described single-chip microcomputer adopts Atmegaxxx or C8051Fxx or STCxx.
The utility model is the improvement to existing electronics angle display device structure, by the solid permanent magnet magnetic ring of cover on angular transducer internal mechanical turning cylinder, and printed circuit board upper fixed line Hall element.Mechanical pressure machine crankshaft drives in the mechanical rotation axle rotation process in angular transducer, the change in linear hall element induction permanent magnet magnetic ring magnetic field, linear hall element exports analog voltage signal, export through output interface, be connected to the angular transducer signaling interface of angular display unit by cable.The signal that single-chip microcomputer inputs angular transducer is sampled, calculate to table look-up and draw angle data signal, by display circuit display real-time angular value.The utility model adopts linear hall-effect device to be signal collecting element, and hall device induced field is changed to cordless, and the absolute position angle of the corresponding bent axle of analog voltage of output, the environment such as greasy dirt, dust is on it without impact simultaneously, and anti-seismic performance is good.
Accompanying drawing explanation
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the angular transducer theory diagram in the utility model;
Fig. 3 is the angular transducer frame for movement schematic diagram in the utility model.
Detailed description of the invention
Further illustrate the utility model in conjunction with the accompanying drawings and embodiments, as shown in Figure 1, the utility model provides DC voltage by power module, powers to input interface circuit, display circuit, angular transducer, single-chip microcomputer.Angular transducer exports the voltage signal corresponding with turning cylinder position, single-chip microcomputer is sampled to analog voltage signal, table look-up or calculate the angle data signal of press crankshaft position, control display circuit angles of display value and relevant parameter, button in scanning display circuit, realizes parameter setting function.As shown in Figure 2, angular transducer internal circuit is made up of linear hall element, output interface circuit.Linear hall element induction permanent magnet magnetic ring magnetic field produces voltage signal, exports through output interface.As shown in Figure 3, the printed circuit board 4 of angular transducer turning cylinder 2 and fixed linear Hall element 5 is arranged on bearing 1, linear hall element 5 is vertically fixed on the position near permanent magnet magnetic ring 3 on printed circuit board 4, and permanent magnet magnetic ring 3 is fixed on mechanical rotation axle 2.Linear hall element 5 is relative with permanent magnet magnetic ring 3 surface, separately certain angle.The utility model housing upper face 3 charactron angles of display values, below 6 numeral method production count values (number of turns of crankshaft rotating), the LED corresponding with angle position is bright for a circle horse race lamp.
Angular display unit employing of the present utility model take linear hall-effect device as the angular transducer of signal collecting element, single-chip microcomputer is sampled to the signal that angular transducer inputs, table look-up or calculate angle data signal, showing mechanical press crankshaft position angle.The dust-proof poor seismic behavior of angular display unit using photoelectricity incremental encoder as angular transducer is solved, the problem that angle and absolute position are not corresponding by the utility model.
Claims (5)
1. a punching machine angular display unit, comprise housing, angular transducer signaling interface on housing, input interface circuit in housing, display circuit, single-chip microcomputer and power circuit, it is characterized in that, described angular transducer signaling interface access take linear hall-effect device as the angular transducer of signal collecting element, angular transducer signal access single-chip microcomputer.
2. punching machine angular display unit according to claim 1, is characterized in that, described angular transducer comprises housing, turning cylinder, printed circuit board, linear hall element, output interface circuit and permanent magnet magnetic ring; On turning cylinder, the solid permanent magnet magnetic ring of cover, printed circuit board is installed linear hall element and output interface circuit, and linear hall element is relative with permanent magnet magnetic ring surface and be connected with output interface circuit, and output interface circuit is common voltage follower.
3. punching machine angular display unit according to claim 2, is characterized in that, described printed circuit board is fixedly no less than two linear hall elements.
4. punching machine angular display unit according to claim 2, is characterized in that, described mechanical rotation axle overlaps the radial magnetic ring that solid permanent magnet magnetic ring is a pair magnetic pole.
5. punching machine angular display unit according to claim 1, is characterized in that, described single-chip microcomputer adopts Atmegaxxx or C8051Fxx or STCxx.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673413.1U CN204263601U (en) | 2014-11-13 | 2014-11-13 | Punching machine angular display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673413.1U CN204263601U (en) | 2014-11-13 | 2014-11-13 | Punching machine angular display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204263601U true CN204263601U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420673413.1U Active CN204263601U (en) | 2014-11-13 | 2014-11-13 | Punching machine angular display unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204263601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350955A (en) * | 2015-11-17 | 2016-02-24 | 恒天九五重工有限公司 | Drill bit positioning device and squeezing, digging and rotatably-expanding drilling machine comprising drill bit positioning device |
| US20230175871A1 (en) * | 2020-05-28 | 2023-06-08 | Nissan Motor Co., Ltd. | Monitoring control device and monitoring control method |
-
2014
- 2014-11-13 CN CN201420673413.1U patent/CN204263601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350955A (en) * | 2015-11-17 | 2016-02-24 | 恒天九五重工有限公司 | Drill bit positioning device and squeezing, digging and rotatably-expanding drilling machine comprising drill bit positioning device |
| US20230175871A1 (en) * | 2020-05-28 | 2023-06-08 | Nissan Motor Co., Ltd. | Monitoring control device and monitoring control method |
| US11781887B2 (en) * | 2020-05-28 | 2023-10-10 | Nissan Motor Co., Ltd. | Monitoring control device and monitoring control method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |