CN203519024U - Wide power supply linear encoder - Google Patents
Wide power supply linear encoder Download PDFInfo
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- CN203519024U CN203519024U CN201320556154.XU CN201320556154U CN203519024U CN 203519024 U CN203519024 U CN 203519024U CN 201320556154 U CN201320556154 U CN 201320556154U CN 203519024 U CN203519024 U CN 203519024U
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- linear encoder
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Abstract
The utility model relates to a wide power supply linear encoder used for a magnetic grating sensor. The wide power supply linear encoder comprises a microprocessor connected with an inductor, a TTL output circuit and an input circuit of a power supply module separately, and also comprises a wide power supply module for transforming a voltage into a low voltage, and then transforming the low voltage into a voltage suitable for a sensor via the power supply module. The wide power supply linear encoder of the utility model enables the application range and the use occasion to be expanded, can be applied to the special work environment, and realizes the characteristics of small power consumption and high precision.
Description
Technical field
The utility model relates to magnetic induction sensor technical field, particularly relates to a kind of wide power linear encoder.
Background technology
In field of measuring technique, there is ball bar sensor at present, grating sensor, steel gate sensor and magnetic-grid-type sensor.Magnetic grating displacement transducer is the displacement transducer that utilizes the magnetic action of magnetic grid and magnetic head to measure.It is a kind of novel digital transducer, when needed, original magnetic signal (magnetic grid) can be erased, again record, with respect to other several sensors its have advantages of that cost is lower, precision is higher and be convenient to and install and use.Magnetic-grid-type sensor is that the generation distance of the N utmost point on magnetic stripe and S interpolar by induction is measured displacement, and the data that record are converted to displacement show.
Current sensor generally only uses 5V power supply, in special operating environment and scene, have under the occasion of particular power source and cannot use, 20V power supply occasion for example, so application surface is narrow, thereby the demand that a kind of wide power displacement measuring device can meet special operation scene or collocation system need to be proposed.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of wide power linear encoder, can adapt to the demand of special operation scene or collocation system, and realizes less power consumption, improves measuring accuracy, the various occasions of widespread use.
The utility model solves the technical scheme that its technical matters adopts:
A kind of wide power linear encoder is provided, comprises microprocessor, described microprocessor is connected with the circuit of inductor, TTL output circuit and power module respectively, also comprises wide power module; Described inductor is arranged on directly over magnetic stripe, the extremely long distance of arranging for responding to the N utmost point on magnetic stripe and the S utmost point; Described microprocessor is converted to digital signal for the distance that inductor is received; Described TTL output circuit is for exporting the digital signal after microprocessor conversion; Described wide power module and power module provide input voltage.
Described wide power linear encoder, also comprises the strong and weak induction alarm system of the magnetic moment being connected with microprocessor; The distance that the strong and weak induction alarm system of described magnetic moment receives according to inductor is sent alerting signal.
Described wide power linear encoder, described TTL output circuit is connected with digital display module, and described digital display module is for showing the digital signal of described TTL output circuit output.
Described wide power linear encoder, also comprises the serial ports output circuit being connected with microprocessor.
Described wide power linear encoder, is connected by three signal wires between described microprocessor and inductor.
Described wide power linear encoder, diode D7 connecting triode Q100 in wide power module, middle by capacitor C 28 ground connection, triode one end connects chip U29, and one end connects inductance L 6, connects diode D8 in the middle of chip U29, inductance L 6 connects chip U29 by resistance R 11, the R11 ground connection of connecting with R12, capacitor C 41 ground connection, output voltage is to power module.
Described wide power linear encoder, in power module, access voltage by capacitor C 2 ground connection, described access voltage connects inductance L 1 by resistance R 3, between resistance R 3 and inductance L 1 by chip U1 ground connection, a pin of described chip U1 is connected between resistance R 1 and R2,, resistance R 1 ground connection of connecting with R2, capacitor C 4 and resistance R 1 and R2 earth, be connected capacitor C 5 between inductance L 1 and output voltage.
Described wide power linear encoder, is connected by two signal wires between the strong and weak induction alarm system of described microprocessor and magnetic moment.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, there is following advantage and good effect: the utility model can adapt to different input powers, single-chip microcomputer is given in the pulse that the distance of the N utmost point on sensor sensing magnetic stripe and S interpolar is produced, and then by single-chip microcomputer, is changed range of a signal on digital display meter, the demand that can adapt to special operation scene or collocation system, and realize less power consumption, improve measuring accuracy, the various occasions of widespread use.
Accompanying drawing explanation
Fig. 1 is block diagram of the present utility model
Fig. 2 is the utility model power module circuitry figure
Fig. 3 is the utility model wide power module circuit diagram
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that, after having read content of the present utility model, those skilled in the art can make various changes or modifications the utility model, these equivalent form of values fall within equally please appended claims limited range in this.
Embodiment of the present utility model relates to a kind of wide power linear encoder, as shown in Figure 1, comprises microprocessor, and described microprocessor is connected with the circuit of inductor, TTL output circuit and power module respectively, also comprises wide power module; Described inductor is arranged on directly over magnetic stripe, the extremely long distance of arranging for responding to the N utmost point on magnetic stripe and the S utmost point; Described microprocessor is converted to digital signal for the distance that inductor is received; Described TTL output circuit is for exporting the digital signal after microprocessor conversion.The described linear encoder for magnetic induction sensor also comprises the serial ports output circuit being connected with microprocessor.Between described microprocessor and inductor, by three signal wires, be connected.Between the strong and weak induction alarm system of described microprocessor and magnetic moment, by two signal wires, be connected.Described wide power module and power module provide input voltage.
The utility model is mainly by wide power, power supply, microprocessor, the strong and weak induction alarm system of inductor and magnetic moment, and TTL output circuit, digital display module and serial ports output circuit.
1. wide power module: as shown in Figure 3, in described wide power module, access 0-24V voltage, by diode D7 connecting triode Q100, middle by capacitor C 28 ground connection, triode one end connects chip U29, one end connects inductance L 6, connect diode D8 in the middle of chip U29, inductance L 6 connects chip U29 by resistance R 11, the R11 ground connection of connecting with R12, capacitor C 41 ground connection, output 5V voltage is to power module.
2. power module: pick out by wide power the 5V coming and power with U2 to U1.Then U1 power supply chip 3.3V out powers to single-chip microcomputer.Then 3.3V by a LC filtering circuit out one+3.3A power supply to sensor chip U3, power.
As shown in Figure 2, in power module, access voltage by capacitor C 2 ground connection, described access voltage connects inductance L 1 by resistance R 3, between resistance R 3 and inductance L 1 by chip U1 ground connection, a pin of described chip U1 is connected between resistance R 1 and R2,, resistance R 1 ground connection of connecting with R2, capacitor C 4 and resistance R 1 and R2 earth, be connected capacitor C 5 between inductance L 1 and output voltage.Power supply chip can adopt REF2933 chip.
3. microprocessor module: power to microprocessor U5 when power supply chip produces normal 3.3V voltage, oscillator chip U4 provides the crystal oscillator signal of 12MHZ to microprocessor U5, reset signal/RESET by resistance R 8 by draw after, minimum system just can start, program is write to microprocessor, connect peripheral circuit, whole system just can normally start again.Microprocessor adopts STM32F051 to realize.
4. the strong and weak induction alarm system of induction module and magnetic moment: after the microprocessor U5 with program is working properly, induction module chip U3 just can work, and magnetic moment power warning system also can have been worked.Because sensor chip is placed in directly over magnetic stripe, so after sensor chip is working properly, mobile read head device, sensor will be responded to the N utmost point on magnetic stripe, the S utmost point, the N utmost point, the S utmost point, the N utmost point, the S utmost point ... the compact arranged distance of extremely growing (the magnetic pole length in present embodiment on magnetic stripe is 1mm), then by signal wire A, signal wire B, signal wire D carries out data exchange with single-chip microcomputer.And the strong and weak induction alarm system of magnetic moment is mainly comprised of light emitting diode LED3, when sensor chip to the distance of magnetic stripe when 1.5mm is following, LED3 shows green, represents working properly.Inclined to one side when filling higher than this scope or device, light emitting diode LED-3 will show redness.The strong and weak induction alarm system of magnetic moment is connected with microprocessor with signal wire Y by two signal wire X that play control action.Inductor chip model can adopt A1101 chip to realize.
5.TTL output module and serial ports output Anlu: in induction module, talk about, when the distance of sensor sensing is passed through signal wire A, signal wire B, signal wire D is transferred to after microprocessor chip U5, and microprocessor internal is by the processing that converts of these data, by signal wire A1, signal wire A2, signal wire A3 gives TTL output circuit chip, the square-wave signal A1-then producing, square-wave signal A2-, square-wave signal A3-is to digital display meter.In present embodiment, also comprise serial ports output circuit, microprocessor is transferred to serial ports pio chip the result after converting by universal serial bus.In present embodiment, serial ports pio chip can be the MAX232 chip of maxim.
6. digital display module: digital display module is exactly mainly the square-wave signal A1-that digital display meter produces TTL output circuit chip U2, square-wave signal A2-, square-wave signal A3-, through digital display meter inter-process, finally shows by charactron.
Should be understood that, the foregoing is only better embodiment of the present utility model, not in order to limit protection domain of the present utility model.For those of ordinary skills, any modification of doing according to the above description, is equal to replacement and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a wide power linear encoder, comprises microprocessor, it is characterized in that, described microprocessor respectively with inductor, TTL output circuit, the circuit of power module is connected, and also comprises wide power module; Described inductor is arranged on directly over magnetic stripe, the extremely long distance of arranging for responding to the N utmost point on magnetic stripe and the S utmost point; Described microprocessor is converted to digital signal for the distance that inductor is received; Described TTL output circuit is for exporting the digital signal after microprocessor conversion; Described wide power module and power module provide input voltage.
2. wide power linear encoder according to claim 1, is characterized in that, also comprises the strong and weak induction alarm system of the magnetic moment being connected with microprocessor; The distance that the strong and weak induction alarm system of described magnetic moment receives according to inductor is sent alerting signal.
3. wide power linear encoder according to claim 1, is characterized in that, described TTL output circuit is connected with digital display module, and described digital display module is for showing the digital signal of described TTL output circuit output.
4. wide power linear encoder according to claim 1, is characterized in that, also comprises the serial ports output circuit being connected with microprocessor.
5. wide power linear encoder according to claim 1, is characterized in that, between described microprocessor and inductor, by three signal wires, is connected.
6. wide power linear encoder according to claim 1, it is characterized in that, diode D7 connecting triode Q100 in described wide power module, middle by capacitor C 28 ground connection, triode one end connects chip U29, one end connects inductance L 6, connect diode D8 in the middle of chip U29, inductance L 6 connects chip U29 by resistance R 11, the R11 ground connection of connecting with R12, capacitor C 41 ground connection, output voltage is to power module.
7. wide power linear encoder according to claim 1, it is characterized in that, in described power module, access voltage by capacitor C 2 ground connection, described access voltage connects inductance L 1 by resistance R 3, and between resistance R 3 and inductance L 1, by chip U1 ground connection, a pin of described chip U1 is connected between resistance R 1 and R2, resistance R 1 ground connection of connecting with R2, capacitor C 4 and resistance R 1 and R2 earth, be connected capacitor C 5 between inductance L 1 and output voltage.
8. wide power linear encoder according to claim 2, is characterized in that, between the strong and weak induction alarm system of described microprocessor and magnetic moment, by two signal wires, is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556154.XU CN203519024U (en) | 2013-08-31 | 2013-08-31 | Wide power supply linear encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556154.XU CN203519024U (en) | 2013-08-31 | 2013-08-31 | Wide power supply linear encoder |
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| Publication Number | Publication Date |
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| CN203519024U true CN203519024U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320556154.XU Expired - Fee Related CN203519024U (en) | 2013-08-31 | 2013-08-31 | Wide power supply linear encoder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422381A (en) * | 2013-08-31 | 2015-03-18 | 上海雷尼威尔技术有限公司 | Wide power supply displacement measuring system and device |
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2013
- 2013-08-31 CN CN201320556154.XU patent/CN203519024U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422381A (en) * | 2013-08-31 | 2015-03-18 | 上海雷尼威尔技术有限公司 | Wide power supply displacement measuring system and device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180831 |