CN204536517U - A kind of sensing device for detecting motor stator magnetic field rotation direction - Google Patents
A kind of sensing device for detecting motor stator magnetic field rotation direction Download PDFInfo
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- CN204536517U CN204536517U CN201520182197.5U CN201520182197U CN204536517U CN 204536517 U CN204536517 U CN 204536517U CN 201520182197 U CN201520182197 U CN 201520182197U CN 204536517 U CN204536517 U CN 204536517U
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- iron core
- magnetic field
- sensing device
- motor stator
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Abstract
The utility model discloses the sensing device for detecting motor stator magnetic field rotation direction, described sensing device comprises the sensor probe and signal conditioning circuit that connect successively according to signal transmission direction, described sensor probe is made up of the winding of two passive open iron cores side by side, and described open core winding forms by establishing reeded iron core and the coil be arranged on described iron core.Compared to existing technology, the utility model can realize saving energy consumption, and test result is reliable and stable.
Description
Technical field
The utility model relates to a kind of signal detection technique field, particularly relates to a kind of sensing device for detecting motor stator magnetic field rotation direction.
Background technology
The detection of motor stator magnetic field rotation direction is the one in motor component inspection technology.Modal is utilize the revolvable ferromagnetic objects such as bearing, ball, compass to put into the stator field passing into certain electric current, and its sense of rotation that detects by an unaided eye measures.These class methods one are that energy consumption is large, do not have enough large electric current, and the magnetic field of generation is not enough to drive ferromagnetic object to rotate; Two is that test result cannot send into computing machine preservation automatically, needs manually to key in.
Also have in recent years and to use gear sense of rotation test probe and transmitter to detect motor stator magnetic field rotation direction.But when this kind equipment uses in motor stator, two probe spacings are from constantly adjusting with the difference of stator inner circle size and motor pole number, otherwise just unstable, easily occur erroneous judgement.The less use because operating inconvenience in production practices.
Utility model content
In view of the detection above shortcomings of current motor stator magnetic field rotation direction, the utility model provides a kind of sensing device for detecting motor stator magnetic field rotation direction, can realize saving energy consumption, the effect that test result is reliable and stable.
For achieving the above object, the utility model adopts following technical scheme:
A kind of sensing device for detecting motor stator magnetic field rotation direction, described sensing device comprises the sensor probe and signal conditioning circuit that connect successively according to signal transmission direction, described sensor probe is made up of two passive open iron core windings side by side, and described open core winding forms by establishing reeded iron core and the coil be arranged on iron core.
As optimal technical scheme of the present utility model, described in set reeded iron core as E shape open core, described coil winding is fixed on E shape iron core intermediolateral column.
As optimal technical scheme of the present utility model, described in set reeded iron core as rectangular aperture iron core, described coil winding is fixed on rectangular aperture iron core base.
As optimal technical scheme of the present utility model, described in set reeded iron core as U-shaped open core, described coil winding is fixed on U-shaped open core side column.
As optimal technical scheme of the present utility model, described signal conditioning circuit comprises the input signal limiter, input signal amplifier, output signal shaping circuit, the output driving circuit that are connected in series, the standard signal that described signal conditioning circuit can identify for measured signal being converted to collecting device.
As optimal technical scheme of the present utility model, described output signal shaping circuit is voltage comparator, and described voltage comparator is made up of operational amplifier, for carrying out shaping to the waveform of input, export rectangular wave, convert the simulating signal of input to on-off model.
As optimal technical scheme of the present utility model, described output driving circuit is amplifier, for the power of amplifying signal.
The advantage that the utility model is implemented: motor stator magnetic field is often more random around tooth, easily there is erroneous judgement in this case in the gear sense of rotation test probe in energy accurate measurement points shape magnetic field, the utility model adopts the most original Measurement Method for Magnetic Field, use two side by side open core winding be exaggerated the area of magnetic-field measurement point as sensor probe, effectively prevent the erroneous judgement that chaotic magnetic field, local is brought, again reduce cost; Coordinate suitable signal conditioning circuit again, it is made to output signal the input requirements that can adapt to universal transmitter, meet the actual demand that motor stator magnetic field rotation direction detects, pass through technique scheme, both energy consumption can have been made to be down to and to have used 10% of ferromagnetic spinning solution energy consumption, and test result reliablely and stablely can have been shown through transmitter and send into computing machine again.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model pick-up unit;
Fig. 2 is the structural representation of the winding of the utility model embodiment one passive open iron core;
Fig. 3 is the structural representation of the winding of the utility model embodiment two passive open iron core;
Fig. 4 is the structural representation of the winding of the utility model embodiment three passive open iron core
The mark implication of accompanying drawing is as follows:
1, sensor probe; 2, signal conditioning circuit; 21, signal limiter; 22, signal amplifier; 23, signal transformation circuit; 24, signal drive circuit; 3, the winding of E shape iron core; 31, E shape iron core; 32, coil; 4, the winding of rectangular aperture iron core; 41, rectangular aperture iron core; 5, the winding of U-shaped open core; 51, U-iron core.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Example 1:
As shown in Figure 1, for detecting the sensing device of motor stator magnetic field rotation direction, described sensing device comprises the sensor probe 1 and signal conditioning circuit 2 that connect successively according to signal transmission direction, described sensor probe 1 is made up of two passive open iron core windings side by side, and described open core winding forms by establishing reeded iron core and the coil 32 be arranged on described iron core.
Signal feeding through conditioning differentiates that the equipment of sense of rotation judges its sense of rotation, differentiate that the equipment of sense of rotation can be special sense of rotation transmitter, general sense of rotation transmitter, PLC, other can be used for differentiating the equipment of sense of rotation, employing technique scheme can realize the accurately detecting to signal, reduce energy consumption, after signal condition, its signal converts the signal that display device can identify to simultaneously.
As shown in Figure 2, in this example, the winding 3 of E shape iron core comprises E shape structure iron core 31, the winding number of turns of be fastened on E shape iron core 31 intermediolateral column coil 32, E shape structure iron core 31 and coil 32 according to etc. the motor stator model that detects and determining.Technique scheme can accurately detectable signal reduce energy consumption.
As shown in Figure 1, in this example signal conditioning circuit 2 comprise be connected in series input signal limiter 21, input signal amplifier 22, output signal shaping circuit 23, output driving circuit 24, the standard signal that described signal conditioning circuit 2 can identify for measured signal being converted to collecting device.Technique scheme can be done further precision process to signal and convert the signal that display device can identify to.
In this example, output signal shaping circuit 23 is voltage comparator, and described voltage comparator is made up of operational amplifier, for carrying out shaping to the waveform of input, exporting rectangular wave, converting the simulating signal of input to on-off model.Amplifier is used to convert simulating signal to digital signal.
In this example, output driving circuit 24 is amplifier, for the power of amplifying signal.The effect of amplifier is that amplifying signal is convenient to display device identification.
The amplifier of output driving circuit 24 can be transistor amplifier, integrated operational amplifier or other amplifier.
Motor stator magnetic field is often more random around tooth, easily there is erroneous judgement in this case in the gear sense of rotation test probe in energy accurate measurement points shape magnetic field, the utility model adopts the most original Measurement Method for Magnetic Field, use two side by side open core winding be exaggerated the area of magnetic-field measurement point as sensor probe, effectively prevent the erroneous judgement that chaotic magnetic field, local is brought, again reduce cost; Coordinate suitable signal conditioning circuit again, it is made to output signal the input requirements that can adapt to universal transmitter, meet the actual demand that motor stator magnetic field rotation direction detects, pass through technique scheme, both energy consumption can have been made to be down to and to have used 10% of ferromagnetic spinning solution energy consumption, and test result reliablely and stablely can have been shown through transmitter and send into computing machine again.
Embodiment 2:
As shown in Figure 1, for detecting the sensing device of motor stator magnetic field rotation direction, described sensor probe 1 and signal conditioning circuit 2 connect successively according to signal transmission direction, described sensor probe 1 is made up of two passive open iron core windings side by side, and described open core winding forms by establishing reeded iron core and the coil 32 be arranged on described iron core.
Signal feeding through conditioning differentiates that the equipment of sense of rotation judges its sense of rotation, differentiate that the equipment of sense of rotation can be special sense of rotation transmitter, general sense of rotation transmitter, PLC, other can be used for differentiating the equipment of sense of rotation, employing technique scheme can realize the accurately detecting to signal, reduce energy consumption, after signal condition, its signal converts the signal that display device can identify to simultaneously.
As shown in Figure 3, in this example, the winding 4 of rectangular aperture iron core comprises rectangular aperture iron core 41, the coil 32 be fastened on rectangular aperture iron core 41 base, the winding number of turns of rectangular aperture structure iron core 41 and coil 32 according to etc. the motor stator model that detects and determining.Technique scheme can accurately detectable signal reduce energy consumption.
As shown in Figure 1, in this example signal conditioning circuit 2 comprise be connected in series input signal limiter 21, input signal amplifier 22, output signal shaping circuit 23, output driving circuit 24, the standard signal that described signal conditioning circuit 2 can identify for measured signal being converted to collecting device.Technique scheme can be done further precision process to signal and convert the signal that display device can identify to.
In this example, output signal shaping circuit 23 is voltage comparator, and described voltage comparator is made up of operational amplifier, for carrying out shaping to the waveform of input, exporting rectangular wave, converting the simulating signal of input to on-off model.Amplifier is used to convert simulating signal to digital signal.
In this example, output driving circuit 24 is amplifier, for the power of amplifying signal.The effect of amplifier is that amplifying signal is convenient to display device identification.
The amplifier of output driving circuit 24 can be transistor amplifier, integrated operational amplifier or other amplifier.
Motor stator magnetic field is often more random around tooth, easily there is erroneous judgement in this case in the gear sense of rotation test probe in energy accurate measurement points shape magnetic field, the utility model adopts the most original Measurement Method for Magnetic Field, use two side by side open core winding be exaggerated the area of magnetic-field measurement point as sensor probe, effectively prevent the erroneous judgement that chaotic magnetic field, local is brought, again reduce cost; Coordinate suitable signal conditioning circuit again, it is made to output signal the input requirements that can adapt to universal transmitter, meet the actual demand that motor stator magnetic field rotation direction detects, pass through technique scheme, both energy consumption can have been made to be down to and to have used 10% of ferromagnetic spinning solution energy consumption, and test result reliablely and stablely can have been shown through transmitter and send into computing machine again.
Embodiment 3:
As shown in Figure 1, for detecting the sensing device of motor stator magnetic field rotation direction, described sensor probe 1 and signal conditioning circuit 2 connect successively according to signal transmission direction, described sensor probe 1 is made up of two passive open iron core windings side by side, and described open core winding forms by establishing reeded iron core and the coil 32 be arranged on described iron core.
Signal feeding through conditioning differentiates that the equipment of sense of rotation judges its sense of rotation, differentiate that the equipment of sense of rotation can be special sense of rotation transmitter, general sense of rotation transmitter, PLC, other can be used for differentiating the equipment of sense of rotation, employing technique scheme can realize the accurately detecting to signal, reduce energy consumption, after signal condition, its signal converts the signal that display device can identify to simultaneously.
As shown in Figure 4, in this example, the winding 5 of U-shaped open core comprises U-shaped open core 51, the coil 32 be fastened on U open core 41 side column, the winding number of turns of U-shaped hatch frame iron core 51 and coil 32 according to etc. the motor stator model that detects and determining.Technique scheme can accurately detectable signal reduce energy consumption.
As shown in Figure 1, in this example signal conditioning circuit 2 comprise be connected in series input signal limiter 21, input signal amplifier 22, output signal shaping circuit 23, output driving circuit 24, the standard signal that described signal conditioning circuit 2 can identify for measured signal being converted to collecting device.Technique scheme can be done further precision process to signal and convert the signal that display device can identify to.
In this example, output signal shaping circuit 23 is voltage comparator, and described voltage comparator is made up of operational amplifier, for carrying out shaping to the waveform of input, exporting rectangular wave, converting the simulating signal of input to on-off model.Amplifier is used to convert simulating signal to digital signal.
In this example, output driving circuit 24 is amplifier, for the power of amplifying signal.The effect of amplifier is that amplifying signal is convenient to display device identification.
The amplifier of output driving circuit 24 can be transistor amplifier, integrated operational amplifier or other amplifier.
The advantage that the utility model is implemented: motor stator magnetic field is often more random around tooth, easily there is erroneous judgement in this case in the gear sense of rotation test probe in energy accurate measurement points shape magnetic field, the utility model adopts the most original Measurement Method for Magnetic Field, use two side by side open core winding be exaggerated the area of magnetic-field measurement point as sensor probe, effectively prevent the erroneous judgement that chaotic magnetic field, local is brought, again reduce cost; Coordinate suitable signal conditioning circuit again, it is made to output signal the input requirements that can adapt to universal transmitter, meet the actual demand that motor stator magnetic field rotation direction detects, pass through technique scheme, both energy consumption can have been made to be down to and to have used 10% of ferromagnetic spinning solution energy consumption, and test result reliablely and stablely can have been shown through transmitter and send into computing machine again.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; the technician of any skilled is in technical scope disclosed in the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (7)
1. one kind for detecting the sensing device of motor stator magnetic field rotation direction, described sensing device comprises the sensor probe and signal conditioning circuit that connect successively according to signal transmission direction, it is characterized in that, described sensor probe is made up of two passive open iron core windings side by side, and described open core winding forms by establishing reeded iron core and the coil be arranged on iron core.
2. the sensing device for detecting motor stator magnetic field rotation direction according to claim 1, is characterized in that, described in set reeded iron core as E shape open core, described coil is sheathed to be fixed on E shape iron core intermediolateral column.
3. the sensing device for detecting motor stator magnetic field rotation direction according to claim 1, is characterized in that, described in set reeded iron core as rectangular aperture iron core, described coil winding is fixed on rectangular aperture iron core base.
4. the sensing device for detecting motor stator magnetic field rotation direction according to claim 1, is characterized in that, described in set reeded iron core as U-shaped open core, described coil winding is fixed on U-shaped open core side column.
5. according to the sensing device for detecting motor stator magnetic field rotation direction one of Claims 1-4 Suo Shu, it is characterized in that, described signal conditioning circuit comprises the input signal limiter, input signal amplifier, output signal shaping circuit, the output driving circuit that are connected in series, the standard signal that described signal conditioning circuit can identify for measured signal being converted to collecting device.
6. the sensing device for detecting motor stator magnetic field rotation direction according to claim 5, it is characterized in that, described output signal shaping circuit is voltage comparator, described voltage comparator is made up of operational amplifier, for carrying out shaping to the waveform of input, export rectangular wave, convert the simulating signal of input to on-off model.
7. the sensing device for detecting motor stator magnetic field rotation direction according to claim 6, is characterized in that, described output driving circuit is amplifier, for the power of amplifying signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182197.5U CN204536517U (en) | 2015-03-27 | 2015-03-27 | A kind of sensing device for detecting motor stator magnetic field rotation direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182197.5U CN204536517U (en) | 2015-03-27 | 2015-03-27 | A kind of sensing device for detecting motor stator magnetic field rotation direction |
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| Publication Number | Publication Date |
|---|---|
| CN204536517U true CN204536517U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520182197.5U Expired - Fee Related CN204536517U (en) | 2015-03-27 | 2015-03-27 | A kind of sensing device for detecting motor stator magnetic field rotation direction |
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| CN (1) | CN204536517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607867A (en) * | 2017-08-09 | 2018-01-19 | 杭州威衡科技有限公司 | A kind of motor or stator field rotation direction detecting devices and method |
-
2015
- 2015-03-27 CN CN201520182197.5U patent/CN204536517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607867A (en) * | 2017-08-09 | 2018-01-19 | 杭州威衡科技有限公司 | A kind of motor or stator field rotation direction detecting devices and method |
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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: 20150805 Termination date: 20170327 |