CN204330987U - A kind of rotated detection instrument of electromagnetism interference - Google Patents
A kind of rotated detection instrument of electromagnetism interference Download PDFInfo
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- CN204330987U CN204330987U CN201520007996.9U CN201520007996U CN204330987U CN 204330987 U CN204330987 U CN 204330987U CN 201520007996 U CN201520007996 U CN 201520007996U CN 204330987 U CN204330987 U CN 204330987U
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- probe
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- relay
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Abstract
The utility model discloses a kind of rotated detection instrument of electromagnetism interference, comprise rotating disk, close to probe and control circuit, the side surface circumference of described rotating disk fixes multiple detection lug, the position relative with the detection lug on the side surface circumference of rotating disk is arranged on close to probe, gap is provided with close between probe and detection lug, signal input part close to probe and control circuit is electrically connected, described control circuit is built-in with power module and the EMC module for eliminating electromagnetic interference (EMI) in power supply, the energization input of EMC module and the control input end electrical connection of relay; Close to the probe internally provided oscillatory circuit for generation of alternating magnetic field by being made up of telefault, electric capacity and transistor.The utility model can be stablized, reliably work in strong electromagnetic interference environment, can also use in dust, wet environment.
Description
Technical field
The utility model relates to a kind of sniffer, particularly relate to a kind of can be applied in strong electromagnetic interference environment for detect rotary part operating condition and the rotated detection instrument of contactless electromagnetism interference, belong to mechanical movement detection field.
Background technology
The plant equipment at operation workshop needs to use motor driver; often can run into stall, card turns, overload, skidding etc. cause motor can not normally transport specially; have influence on the gearing used at workshop can not normally use, such as belt conveyor, chapelet, bucket chain conveyor, worm conveyor etc.Existing technical scheme is that probe is arranged in rotating shaft, separately equipped sensing chip, the umber of pulse of the generation that detection axis is rotated, and then number of pulses processes, and sends and controls electric signal to control circuit, realize motor stopping and open operation after process.Along with the various high-power of operation workshop and the use of strong electromagnetic machine, the environment of working sensor just progressively worsens, the electromagnetic interference (EMI) produced has badly influenced the normal work of prior art products, need badly develop a kind of can be used in strong electromagnetic interference environment for detect rotary part operating condition and the rotated detection instrument of contactless electromagnetism interference.
Summary of the invention
For problems of the prior art, the purpose of this utility model is to provide a kind of rotated detection instrument of the contactless electromagnetism interference for detecting rotary part operating condition; It can be applied in strong electromagnetic interference environment, to adapt to the user demand of the various high-power of operation workshop and strong electromagnetic machine, and the high request to rotated detection instrument stability.
The technical solution of the utility model is to provide a kind of rotated detection instrument of electromagnetism interference, it is characterized in that: comprise rotating disk, close to probe and control circuit, the side surface circumference of described rotating disk fixes multiple detection lug, the position relative with the detection lug on the side surface circumference of rotating disk is arranged on close to probe, gap is provided with close between probe and detection lug, signal input part close to probe and control circuit is electrically connected, described control circuit is built-in with power module and the EMC module for eliminating electromagnetic interference (EMI) in power supply, the energization input of EMC module is electrically connected in turn through the control input end of relay and the power lead for powering, close to the probe internally provided oscillatory circuit for generation of alternating magnetic field by being made up of telefault, electric capacity and transistor.
In the application, the utility model also has the following technical scheme optimized further.
Further, described EMC module comprises electric capacity and common mode inductance, power supply line is electrically connected with two input ends of common mode inductance respectively, two input ends of common mode inductance are respectively through the 1st electric capacity and the 2nd capacity earth, two output terminals of common mode inductance also connect the 3rd electric capacity, TVS pipe and voltage dependent resistor (VDR), as the output terminal of EMC module.
Further, the rotated detection instrument of described electromagnetism interference also comprises casing, rotating shaft, and described rotating shaft coaxial inner conductor runs through rotating disk, and fixes with rotating disk, both ends and the casing of rotating shaft are rotationally connected, and are fixed on casing also relative with the detection lug on the side surface circumference of rotating disk close to probe.
Further, both ends and the casing sealing of described rotating shaft are rotationally connected, and hall probe and casing sealing are fixed, make casing internal and casing outside isolated.
Further, even fixing multiple detection lug on the side surface circumference of described rotating disk.
Further, described detection lug is magnetic conductive material.
Further, described control circuit comprises EMC module, power module, time delay module, probe signal acquisition module, signal processing module and relay, described EMC module and power module electrical connection, power module provides electric energy respectively to time delay module, probe signal acquisition module and signal processing module, and the output terminal of time delay module, probe signal acquisition module is electrically connected with the input end of signal processing module respectively.
Further, the power light being used to indicate power work state is provided with in described power module, be provided with in probe signal acquisition module to indicate the probe pilot lamp close to probe duty, in relay output module, be provided with the relay-indicating light in order to indicating relay duty.
In the application, rotating disk is fixed on and is detected on parts the utility model, is fixed on the position relative with the detection lug on the side surface circumference of rotating disk close to probe.When being detected the initial electrifying startup of parts, the control end of relay obtains electric adhesive, time delay module sends the time delayed signal of about 15s simultaneously, in this delay time, control circuit does not respond from the rotating signal close to probe, effectively avoid system that the rotated detection instrument of electromagnetism interference detects when powering on initial, the startup shake of machine causes erroneous judgement to detection instrument, and produces maloperation; After delay time (15s), control circuit response is from the rotating signal close to probe, relay is made to keep adhesive, and keep a period of time (5-17s is adjustable), during relay keeps adhesive, if control circuit receives again the rotating signal close to probe, then this retention time duration recalculates, circulation like this, relay externally exports a kind of control signal; During relay keeps adhesive, if control circuit does not receive the rotating signal close to probe, then relay disconnects, and relay externally exports another kind of control signal, and the abnormal alarms such as triggering is detected parts stall, card turns, overload, skidding.
Beneficial effect
Electromagnetism interference, by the EMC module of the Front-end Design at the power module for powering to control circuit, the electromagnetic interference (EMI) such as the heavy current impact interference be effectively mixed with in filtering power supply circuit, large voltge surge interference, common mode interference, differential mode interference, makes described detection instrument can stablize in strong electromagnetic interference environment, reliably work.
Dust, wet environment use, and by close to probe with install the rotating disk of detection lug and be arranged in airtight casing, make close to probe and to install the rotating disk of detection lug isolated with external environment condition, overcome dust, the impact of humidity on detection instrument.
Be easy to failture evacuation, maintenance, by arrange power light, close to pilot lamp and relay-indicating light, facilitate investigation and the diagnosis of fault.
Accompanying drawing explanation
Fig. 1 Standard schematic diagram of the present utility model.
The theory diagram of Fig. 2 control circuit.
Fig. 3 EMC module elementary diagram.
In figure, 1-rotating disk, 2-detection lug, the close probe of 3-, 4-control circuit, 5-relay, 6-power lead, 7-rotating shaft.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with the drawings and the specific embodiments, the utility model is described further.
Embodiment 1
As shown in Figure 1, the rotated detection instrument of a kind of electromagnetism interference of the present utility model is split-type structural, need and outside relay 5 with the use of.The rotated detection instrument of electromagnetism interference comprises rotating disk 1, close to probe 3 and control circuit 4.Close to probe 3 for being encapsulated in the integrated component in probing shell, close to the probe internally provided oscillatory circuit for generation of alternating magnetic field by being made up of telefault, electric capacity and transistor, probing shell is right cylinder, and its diameter is 2550mm, is preferably 35mm.The side surface circumference of described rotating disk 1 fixes multiple detection lug 2, and detection lug 2 is evenly distributed on the side surface circumference of rotating disk 1; Be fixed on the position relative with the detection lug 2 on the side surface circumference of rotating disk 1 close to probe 3, be provided with gap close between probe 3 and detection lug 2, the spacing in gap is 0-8mm, is preferably 5mm.Signal input part close to probe 3 and control circuit 4 is electrically connected, obtain and process from the rotating signal close to probe 3, described control circuit 4 is built-in with power module and the EMC module for eliminating electromagnetic interference (EMI) in power supply, the energization input of EMC module is electrically connected in turn through the control input end (i.e. coil) of relay 5 and the power lead 6 for powering, power lead 6 accesses power supply grid, as 220V powers.Detection lug is magnetic conductive material, is preferably iron.
Described control circuit, as shown in Figure 2, comprise EMC module, power module, time delay module, probe signal acquisition module, signal processing module and relay, described EMC module and power module electrical connection, power module provides electric energy respectively to time delay module, probe signal acquisition module and signal processing module, and the output terminal of time delay module, probe signal acquisition module is electrically connected with the input end of signal processing module respectively.Be provided with the power light being used to indicate power work state in power module, the bright expression power supply of power light normally works.Be provided with in signal processing module to indicate close to probe duty close to pilot lamp, represent close to the normal work of probe close to pilot lamp.Be provided with the relay-indicating light in order to indicating relay duty in signal processing module, relay-indicating light is bright, represents that Control end obtains electric adhesive.
Wherein, described EMC module, as shown in Figure 3, comprise electric capacity and common mode inductance, power supply line respectively with the two input ends electrical connections of common mode inductance T1, two input ends of common mode inductance T1 are respectively through the 1st electric capacity CY1 and the 2nd electric capacity CY2 ground connection, and two output terminals of common mode inductance T1 also meet the 3rd electric capacity CX1, TVS pipe TVS1 and voltage dependent resistor (VDR) RL1, as the output terminal of EMC module, the output terminal of EMC module and power module electrical connection.
Embodiment 2
The rotated detection instrument of a kind of electromagnetism interference of the present utility model is integration-in-one structure, need and outside relay 5 with the use of.The rotated detection instrument of electromagnetism interference comprises casing, rotating shaft 7, rotating disk 1, close probe 3 and control circuit 4.Close to probe 3 for being encapsulated in the integrated component in probing shell, close to the probe internally provided oscillatory circuit for generation of alternating magnetic field by being made up of telefault, electric capacity and product body pipe, probing shell is right cylinder, and its diameter is 25-50mm, is preferably 35mm.The side surface circumference of described rotating disk 1 fixes multiple detection lug 2, and detection lug 2 is evenly distributed on the side surface circumference of rotating disk 1; Rotating shaft 7 coaxial inner conductor runs through rotating disk 1, and fixes with rotating disk 1, and both ends and the casing sealing of rotating shaft 7 are rotationally connected; Be fixed on casing also relative with the detection lug 2 on the side surface circumference of rotating disk 1 close to probe 3 by probing shell sealing, be provided with gap close between probe 3 and detection lug 2, the spacing in gap is 0-8mm, is preferably 5mm.Signal input part close to probe 3 and control circuit 4 is electrically connected, obtain and process from the rotating signal close to probe 3, described control circuit 4 is built-in with power module and the EMC module for eliminating electromagnetic interference (EMI) in power supply, the energization input of EMC module is electrically connected in turn through the control input end (i.e. coil) of relay 5 and the power lead 6 for powering, power lead 6 accesses power supply grid, as 220V powers.Detection lug is magnetic conductive material, is preferably iron.
Described control circuit, as shown in Figure 2, comprise EMC module, power module, time delay module, probe signal acquisition module, signal processing module and relay, described EMC module and power module electrical connection, power module provides electric energy respectively to time delay module, probe signal acquisition module and signal processing module, and the output terminal of time delay module, probe signal acquisition module is electrically connected with the input end of signal processing module respectively.Be provided with the power light being used to indicate power work state in power module, the bright expression power supply of power light normally works.Be provided with in signal processing module to indicate close to probe duty close to pilot lamp, represent close to the normal work of probe close to pilot lamp.Be provided with the relay-indicating light in order to indicating relay duty in signal processing module, relay-indicating light is bright, represents that Control end obtains electric adhesive.
Wherein, described EMC module, as shown in Figure 3, comprise electric capacity and common mode inductance, power supply line respectively with the two input ends electrical connections of common mode inductance T1, two input ends of common mode inductance T1 are respectively through the 1st electric capacity CY1 and the 2nd electric capacity CY2 ground connection, and two output terminals of common mode inductance T 1 also meet the 3rd electric capacity CX1, TVS pipe TVS1 and voltage dependent resistor (VDR) RL1, as the output terminal of EMC module, the output terminal of EMC module and power module electrical connection.
In the application, rotating disk is fixed on and is detected on parts the utility model, is fixed on the position relative with the detection lug on the side surface circumference of rotating disk close to probe.When being detected the initial electrifying startup of parts, the control end of relay obtains electric adhesive, time delay module sends the time delayed signal of about 15s simultaneously, in this delay time, control circuit does not respond from the rotating signal close to probe, effectively avoid system that the rotated detection instrument of electromagnetism interference detects when powering on initial, the startup shake of machine causes erroneous judgement to detection instrument, and produces maloperation; After delay time (15s), control circuit response is from the rotating signal close to probe, relay is made to keep adhesive, and keep a period of time (5-17s is adjustable), during relay keeps adhesive, if control circuit receives again the rotating signal close to probe, then this retention time duration recalculates, circulation like this, relay externally exports a kind of control signal; During relay keeps adhesive, if control circuit does not receive the rotating signal close to probe, then relay goes adhesive, and relay externally exports another kind of control signal, and the abnormal alarms such as triggering is detected parts stall, card turns, overload, skidding.Compared to the prior art, the utility model has following technical progress.
1) electromagnetism interference, by the EMC module of the Front-end Design at the power module for powering to control circuit, the electromagnetic interference (EMI) such as the heavy current impact interference be effectively mixed with in filtering power supply circuit, large voltge surge interference, common mode interference, differential mode interference, makes described detection instrument can stablize in strong electromagnetic interference environment, reliably work.
2) dust, wet environment use, and by close to probe with install the rotating disk of detection lug and be arranged in airtight casing, make close to probe and to install the rotating disk of detection lug isolated with external environment condition, overcome dust, the impact of humidity on detection instrument.
3) be easy to failture evacuation, maintenance, by arrange power light, close to pilot lamp and relay-indicating light, facilitate investigation and the diagnosis of fault.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and the claimed scope of the utility model is defined by appending claims, instructions and equivalent thereof.
Claims (8)
1. the rotated detection instrument of an electromagnetism interference, it is characterized in that: comprise rotating disk, close to probe and control circuit, the side surface circumference of described rotating disk fixes multiple detection lug, the position relative with the detection lug on the side surface circumference of rotating disk is arranged on close to probe, gap is provided with close between probe and detection lug, signal input part close to probe and control circuit is electrically connected, described control circuit is built-in with power module and the EMC module for eliminating electromagnetic interference (EMI) in power supply, the energization input of EMC module is electrically connected in turn through the control input end of relay and the power lead for powering, close to the probe internally provided oscillatory circuit for generation of alternating magnetic field by being made up of telefault, electric capacity and transistor.
2. the rotated detection instrument of a kind of electromagnetism interference according to claim 1, it is characterized in that: described EMC module comprises electric capacity and common mode inductance, power supply line is electrically connected with two input ends of common mode inductance respectively, two input ends of common mode inductance are respectively through the 1st electric capacity profit the 2nd capacity earth, two output terminals of common mode inductance also connect the 3rd electric capacity, TVS pipe and voltage dependent resistor (VDR), as the output terminal of EMC module.
3. the rotated detection instrument of a kind of electromagnetism interference according to claim 1, it is characterized in that: also comprise casing, rotating shaft, described rotating shaft coaxial inner conductor runs through rotating disk, and fix with rotating disk, both ends and the casing of rotating shaft are rotationally connected, and are fixed on casing also relative with the detection lug on the side surface circumference of rotating disk close to probe.
4. the rotated detection instrument of a kind of electromagnetism interference according to claim 3, is characterized in that: both ends and the casing sealing of described rotating shaft are rotationally connected, and hall probe and casing sealing are fixed, make casing internal and casing outside isolated.
5. the rotated detection instrument of a kind of electromagnetism interference according to the arbitrary claim of claim 1-4, is characterized in that: the side surface circumference of described rotating disk evenly fixes multiple detection lug.
6. the rotated detection instrument of a kind of electromagnetism interference according to claim 5, is characterized in that: described detection lug is magnetic conductive material.
7. the rotated detection instrument of a kind of electromagnetism interference according to claim 1, it is characterized in that: described control circuit comprises EMC module, power module, time delay module, probe signal acquisition module, signal processing module and relay, described EMC module and power module electrical connection, power module provides electric energy respectively to time delay module, probe signal acquisition module and signal processing module, and the output terminal of time delay module, probe signal acquisition module is electrically connected with the input end of signal processing module respectively.
8. the rotated detection instrument of a kind of electromagnetism interference according to claim 7, it is characterized in that: in described power module, be provided with the power light being used to indicate power work state, be provided with in probe signal acquisition module to indicate the probe pilot lamp close to probe duty, in relay output module, be provided with the relay-indicating light in order to indicating relay duty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007996.9U CN204330987U (en) | 2015-01-07 | 2015-01-07 | A kind of rotated detection instrument of electromagnetism interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520007996.9U CN204330987U (en) | 2015-01-07 | 2015-01-07 | A kind of rotated detection instrument of electromagnetism interference |
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| CN204330987U true CN204330987U (en) | 2015-05-13 |
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| CN201520007996.9U Expired - Fee Related CN204330987U (en) | 2015-01-07 | 2015-01-07 | A kind of rotated detection instrument of electromagnetism interference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896056A (en) * | 2017-12-27 | 2018-04-10 | 上海奇电电气科技股份有限公司 | A kind of diamagnetic frequency converter of high-performance |
| CN108072513A (en) * | 2016-11-15 | 2018-05-25 | 财团法人工业技术研究院 | Intelligent mechanical element |
-
2015
- 2015-01-07 CN CN201520007996.9U patent/CN204330987U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072513A (en) * | 2016-11-15 | 2018-05-25 | 财团法人工业技术研究院 | Intelligent mechanical element |
| US10704987B2 (en) | 2016-11-15 | 2020-07-07 | Industrial Technology Research Institute | Smart mechanical component |
| CN107896056A (en) * | 2017-12-27 | 2018-04-10 | 上海奇电电气科技股份有限公司 | A kind of diamagnetic frequency converter of high-performance |
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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 |
Granted publication date: 20150513 Termination date: 20220107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |