CN206710454U - A kind of displacement measurement sensor - Google Patents

Abstract

The utility model discloses a kind of displacement measurement sensor, it includes monitoring probe and power line and data wire, monitoring one end of popping one's head in is monitoring side, the other end connects power line and data wire, the data wire connects the input of a signal processing circuit, the output end of the signal processing circuit connects a single-chip microcomputer, and monitoring probe is arranged at rotating machinery nearby and the rotational parameters signal of rotating machinery is obtained by monitoring side, and by data line transfer to signal processing circuit and single-chip microcomputer.Displacement measurement sensor of the present utility model is non-contact probe, movement-less part, no abrasion, safety durable long lifespan；Debugging and installation are simple, and have self-check program.

Description

A kind of displacement measurement sensor

Technical field

The utility model particularly relates to the position that a kind of rotational parameters to rotating machinery are detected about a kind of sensor Measurement sensor.

Background technology

At present, developing rapidly with industry, various industrial equipments are increasingly popularized in engineering construction, such as cementing tank The various rotations such as car, elevator, hoist engine, the various motors for whetheing there is retarding device, belt-type conveyer, chain-type conveyer are set Standby, the various rotational parameters of these rotating machinerys, the steering of such as equipment, skidding, rotating speed must be monitored in real time, with any time Whether the working condition for grasping rotating machinery is in normal operation, can not in time find and cause in order to avoid equipment breaks down Unnecessary loss, influences operating efficiency.It is therefore desirable to using a kind of sensor and be installed on rotating machinery, ginseng is rotated to it Number is accurately monitored.

Utility model content

In view of this, main purpose of the present utility model is that providing a kind of rotational parameters to rotating machinery detects Displacement measurement sensor.

To reach above-mentioned purpose, the utility model provides a kind of displacement measurement sensor, and it includes monitoring probe and power supply Line and data wire, monitoring one end of popping one's head in is monitoring side, and other end connection power line and data wire, the data wire connect a signal The input of process circuit, the output end of the signal processing circuit connect a single-chip microcomputer, and monitoring probe is arranged at rotating machinery The rotational parameters signal of rotating machinery nearby and by monitoring side is obtained, and by data line transfer to signal processing circuit and monolithic Machine.

The power line includes electrode line and negative line, and the data wire includes the first data output of output speed signal Second DOL Data Output Line of line and outbound course signal.

The monitoring probe is hall probe.

The place to be detected of the rotating machinery is fixed with magnet steel, and the monitoring is separated with distance between popping one's head between the magnet steel.

The distance between described monitoring probe and magnet steel are 0~20mm.

One end that the monitoring probe is connected with power line and data wire is provided with red, yellow, and green LED light.

The supply voltage of institute's displacement measurement sensor is direct current 15v~25v.

Institute's displacement measurement sensor is that numeric type sensor for countering, analogue type sensor for countering or switching value rotate sensing Device.

Displacement measurement sensor of the present utility model is non-contact probe, movement-less part, no abrasion, the safety durable longevity Life length；Debugging and installation are simple, and have self-check program.

Brief description of the drawings

Fig. 1 is the structural representation of displacement measurement sensor of the present utility model；

Fig. 2 is displacement measurement sensor use state diagram of the present utility model.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched The embodiment stated is a part of preferred embodiment of the utility model, rather than whole embodiments.Generally retouched here in accompanying drawing The component of the utility model embodiment stated and shown can be configured to arrange and design with a variety of.Therefore, it is right below The detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed of the present utility model Scope, but it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the utility model protection Scope.

As shown in Figures 1 and 2, displacement measurement sensor of the present utility model include monitoring probe 1 and with the monitoring probe 1 The power line and data wire of connection, monitoring probe 1 are arranged at rotating machinery nearby and obtain rotating machinery by monitoring side Rotational parameters signal, and be transmitted by data wire.

Monitoring probe 1 in the utility model can be hall probe, and it includes metal shell, and its one end is monitoring side, separately One end connects power line and data wire, and wherein power line includes electrode line 20 and negative line 21, the red table of usual electrode line 20 Show, negative line 21 is represented with black.Wherein data wire includes the first DOL Data Output Line 30 and the second DOL Data Output Line 31, and usual One DOL Data Output Line 30 represents that the second DOL Data Output Line 31 is represented with white with blueness.Wherein the first DOL Data Output Line 30 and Two DOL Data Output Lines 31 are all connected with the input of a signal processing circuit 4, and the output end of the signal processing circuit 4 connects a monolithic Machine 5.

One end that monitoring probe 1 in the utility model is connected with power line and data wire is additionally provided with LED light 10, wraps Include red, yellow, and green LED.Displacement measurement sensor of the present utility model to it before use, can be configured.Sensor powers up Afterwards, by magnet steel close to sensor head (i.e. monitoring pop one's head in) 10 seconds, Sensor tail LED display lamps, red, yellow, and green is alternately shown, Into the state of setting.Sensor is connected to computer by RS232 buses, using COM Debug Assistant, input instruction (be shown in by instruction Subordinate list).After setting successfully, display lamp is changed into red, green and alternately shown, if setup failed, display lamp is changed into red, yellow display.

Instruction catalogue is set：

RY-ZD-S numeric type rotation sensors

RY-ZD-M analogue type rotation sensors

RY-JS-S1 numeric type sensor for countering switching value types

RY-JS-S2 numeric type sensor for countering numeric type external counting types

RY-JS-S3 numeric type sensor for countering numeric type count internal types

RY-JS-M analogue type sensor for countering

RY-ZD-H switching value rotation sensors.

As shown in Fig. 2 displacement measurement sensor of the present utility model is when in use, the detection of axle, wheel in rotating machinery The fixed magnet steel 6 in place, the monitoring probe 1 of rotation sensor is fixedly connected with a fixture 11, and the fixture 11 is passed through into weldering Machine or other connecting materials are fixed on the detection position close to axle, wheel, and displacement measurement sensor is installed close to magnet steel 6 and (paid attention to By the mark point of hall probe along tested rotation direction, the S poles of magnet steel are towards sensor, 0~10mm of assay intervals), and adjust The spacing of whole good monitoring probe 1 and magnet steel 6.Data wire is connected into single-chip microcomputer 5 by signal processing circuit 4, then both positive and negative polarity is connect Energization source.When wheel or axle rotate, for magnet steel 6 along the inswept monitoring probe in mark point direction, monitoring probe 1, which produces, " turns to letter Number ", and it is maintained at before " turn signal " disappears magnet steel inswept displacement measurement sensor again next time, displacement measurement sensor The first DOL Data Output Line of blue line 30 export high level, while white second DOL Data Output Line 31 output low level or high resistant are (right In simulation output type sensor, corresponding 0V-2.5V analog voltages can be exported in output end), green LED Chang Liang.If magnet steel 6 against Hall probe mark point direction is inswept hall probe, the generation " turn signal " of monitoring probe 1, and it is maintained at " turn signal " disappearance Magnet steel inswept sensor again next time before, the second DOL Data Output Line of sensor white line 31 export high level, while blue line the One DOL Data Output Line 30 exports low level or high resistant, yellow led Chang Liang.When wheel or axle stalling and the duration reaches " stalling letter Number " as long as extinction time when, the first DOL Data Output Line 30 and the second DOL Data Output Line 31 of displacement measurement sensor all export low Level or high resistant (for simulation output type sensor, corresponding 5V-2.5V analog voltages can be exported in output end).At signal Reason circuit 4 to the signal measured be processed and transmitted to the rotational parameters that single-chip microcomputer 5 draws rotating machinery.

When displacement measurement sensor, which is used for slow rotating machinery, to be detected, quick detection is such as wanted, " turn signal " should be selected to disappear Time shorter rotation direction sensor is lost, while equably increases magnet steel quantity on axle, wheel, so that " turn signal " cycle is less than " turn signal extinction time ".

Displacement measurement sensor of the present utility model can be numeric type sensor, can be achieved to repeating motion equipment such as rotations Counts, sensor blueness line (the first DOL Data Output Line) output be pulse signal (expression rotating speed), and (second counts white wire According to output line) outbound course signal.

The technical parameter of displacement measurement sensor of the present utility model is：

1. supply voltage；DC.15v~25v (supply voltage will directly affect detecting distance between sensor and magnet steel)； Load maximum sink current：30mA；

2 " turn signal " extinction time selectable value；User can be self-defined by upper equipment, is defined as when user does not inform 20s, to adapt to the equipment of different rotating speeds；

3 sensor detecting distances：Closely-spaced is 0~20mm, recommends 5~15mm of spacing.

4. working environment：- 20 DEG C~+70 DEG C of temperature；Shi Du≤90%.

The utility model displacement measurement sensor has the following effects that：

1st, non-contact probe, movement-less part, no abrasion, safety durable long lifespan, maintenance cost are low；

2nd, integral structure, small volume, it is mountable to the occasion of narrow space；Exempt to set.Debugging and installation are simple；

3rd, level/low level/high resistant signal both can directly have been improved to industrial control computer；It can also be born with condenser Carry, there is provided isolation passive electric shock signal is to industrial computer or for equipment protection；

4th, equipped with status indicator lamp, equipment initial power-on sensor enters self-check program, and detection finishes or stop state Red LED Chang Liang, during rotating forward, green LED Chang Liang；During reversion, yellow (red+green) LED Chang Liang；

5th, perfect design protection, sensor under high level output effective status there is relatively perfect protection to set Meter measure, installation and using when connect will not cause the damage of sensor in any case；

6th, freely set field upgrade, Sensor Design using the MCU of international popular as sensor processing center, according to User needs user voluntarily to upgrade the program of sensor at the scene.

It is described above, preferred embodiment only of the present utility model, it is not intended to limit protection of the present utility model Scope.

Claims (8)

1. a kind of displacement measurement sensor, it is characterised in that it includes monitoring probe and power line and data wire, monitoring probe One end is monitoring side, and other end connection power line and data wire, the data wire connect the input of a signal processing circuit, the letter The output end of number process circuit connects a single-chip microcomputer, and monitoring probe, which is arranged at rotating machinery nearby and obtained by monitoring side, to be turned The rotational parameters signal of dynamic equipment, and by data line transfer to signal processing circuit and single-chip microcomputer.

2. displacement measurement sensor as claimed in claim 1, it is characterised in that the power line includes electrode line and negative pole Line, the data wire include the first DOL Data Output Line of output speed signal and the second DOL Data Output Line of outbound course signal.

3. displacement measurement sensor as claimed in claim 1, it is characterised in that the monitoring probe is hall probe.

4. displacement measurement sensor as claimed in claim 1, it is characterised in that the place to be detected of the rotating machinery is fixed with Magnet steel, the monitoring are separated with distance between popping one's head between the magnet steel.

5. displacement measurement sensor as claimed in claim 4, it is characterised in that the distance between described monitoring probe and magnet steel For 0~20mm.

6. displacement measurement sensor as claimed in claim 1, it is characterised in that the monitoring probe and power line and data wire One end of connection is provided with red, yellow, and green LED light.

7. displacement measurement sensor as claimed in claim 1, it is characterised in that the supply voltage of institute's displacement measurement sensor For direct current 15v~25v.

8. displacement measurement sensor as claimed in claim 1, it is characterised in that institute's displacement measurement sensor is numeric type meter Number sensor, analogue type sensor for countering or switching value rotation sensor.