CN2423568Y - High-pressure switch displacement velocity sensor - Google Patents
High-pressure switch displacement velocity sensor Download PDFInfo
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- CN2423568Y CN2423568Y CN 00223218 CN00223218U CN2423568Y CN 2423568 Y CN2423568 Y CN 2423568Y CN 00223218 CN00223218 CN 00223218 CN 00223218 U CN00223218 U CN 00223218U CN 2423568 Y CN2423568 Y CN 2423568Y
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- electronic conversion
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- voltage switch
- switch gear
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Abstract
The utility model relates to a high-pressure switch displacement velocity sensor, which is used for testing the travel and the velocity of a moving contact of a high-voltage switch. The utility model comprises a grating ruler 2 that is fixed in a casing 3, a bracket 6 that is installed at the side face of a photoelectric conversion head 1, an elongated opening 4 from which the bracket 6 extends out, a moving contact D of a high voltage switch which can slide the bracket 6 backwards and forwards along the elongated opening 4 and move the photoelectric conversion head 1 together, a plurality of electric brushes 7 which are arranged at the side face of the photoelectric conversion head 1 and maintained in slide contact with the corresponding metal guide strips 5 that are connected with a cable socket, a light transmitting circuit 11, a light receiving circuit 12, luminous tubes D1 and light sensitive tubes D. The utility model has the advantages of convenient operation, good durability and high testing precision.
Description
High-voltage switch gear displacement speed sensor of the present utility model relates to the sensor of testing high voltage switch contact movement travel displacement, speed in the power engineering.
The sensor of prior art is seen Fig. 1, adopt the opto-electronic conversion mode, its structure comprises: grating chi A inserts among the opto-electronic conversion B, an opto-electronic conversion B is fixed in the housing, and during use, housing is fixed on high-voltage switch gear C top, grating chi A lower end connects high-voltage switch gear moving contact D, the grating chi moves up and down with the high-voltage switch gear moving contact, by opto-electronic conversion, converts the velocity of displacement amount of high-voltage switch gear moving contact to electric impulse signal and passes to the instrument that connects.Its shortcoming is, because the opto-electronic conversion head can not be measured under the condition that oil is arranged, when the high-voltage switch gear that oil is arranged is measured, the opto-electronic conversion head must be installed in higher position, and to avoid the influence of oil to measuring, this just makes troubles to use; In addition, because the grating chi does not have the shell protection, scale just can not be done meticulously, thereby measuring accuracy is not high, and damages easily.
The purpose of this utility model is to overcome above-mentioned shortcoming, and a kind of easy to use, durable, high-voltage switch gear displacement speed sensor that measuring accuracy is high is provided.
The technical solution of the utility model is as follows: see Fig. 2-4, and the high-voltage switch gear displacement speed sensor, its feature comprises:
One long column shape shell 3 is arranged, and the one side has an elongated opening 4 along its length;
Grating chi 2 is fixed in the shell 3, and grating chi 2 inserts in the opto-electronic conversion 1 or in opto-electronic conversion 1 side;
The inwall one or both sides of shell 3 are provided with many metal slivers 5 parallel to each other and insulation along its length;
Support 6 is equipped with in opto-electronic conversion 1 side, support 6 stretches out from elongated opening 4, and can slidably reciprocate at the drive lower edge of high-voltage switch gear moving contact D elongated opening 4, drive opto-electronic conversion 1 a together motion, there are a plurality of brushes 7 side or two opposite flanks of opto-electronic conversion 1, and each brush 7 keeps sliding contacts with corresponding metal sliver 5;
The optical transmission circuit 11 of opto-electronic conversion 1 and the circuit board of optical receiving circuit 12 9 and opto-electronic conversion 1 is close to;
Fig. 5, optical transmission circuit 11 comprises: external power source connects cable socket 14 or plug, and cable socket 14 connects sliver 51, brush 71, is connected in series luminotron D1, resistance R 1 then, is connected to cable socket 14 through brush 72, sliver 52;
Principle of work: when high-voltage switch gear is measured, the cable socket 14 of this sensor is connected with test instrumentation, the high-voltage switch gear displacement speed sensor is fixed on the high-voltage switch gear C to be measured, support 6 connects high-voltage switch gear moving contact D, and when the moving contact D of high-voltage switch gear C motion, support 6 drives opto-electronic conversion 1 motion, power supply is through corresponding metal sliver 51, brush 71, resistance R 1 current limliting, luminotron D1 is luminous, and light forms a series of light pulse signals by the modulation of grating chi 2.Photosensitive tube D2 converts the light pulse signal that receives to electric signal, by 13 pairs of signals of signal processing circuit amplify, shaping, reach testing tool through corresponding brush 73, sliver 53, cable socket 14 and external cable.
Advantage of the present utility model is:
Installation, easy to use, because shell is arranged, durable, not fragile.Grating chi scale is meticulous, the measuring accuracy height.
This sensor also can be used for the test of some other displacement in the engineering, speed amount.
Description of drawings:
Fig. 1: the sensor scheme of installation of prior art.
Fig. 2: high-voltage switch gear displacement speed sensor scheme of installation of the present utility model.
Fig. 3: high-voltage switch gear displacement speed sensor three-dimensional structure diagram of the present utility model.
Fig. 4: the high-voltage switch gear displacement speed sensor other direction of the present utility model three-dimensional structure diagram of looking.
Fig. 5: high-voltage switch gear displacement speed sensor circuit diagram of the present utility model.
Fig. 6: the circuit diagram of high-voltage switch gear displacement speed sensor circuit embodiments 1 of the present utility model.
The location diagram of Nonopaque type detection grating chi among Fig. 7: the embodiment 1 and power valve, receiving tube.
The location diagram of reflective detection grating chi among Fig. 8: the embodiment 2 and power valve, receiving tube.
The location diagram of Nonopaque type detection grating chi among Fig. 9: the embodiment 3 and power valve, receiving tube.
The location diagram of reflective detection grating chi among Figure 10: the embodiment 4 and power valve, receiving tube.
Among Fig. 2-10:
Opto-electronic conversion 1 grating chi, 2 shells, 3 elongated openings, 4 a metal sliver 5
Support 6 brushes 7 insulcrete 8 circuit boards, 9 power valves or photosensitive tubes 10
Optical transmission circuit 11 optical receiving circuits 12 signal processing circuits 13 cable sockets 14
Embodiment 1: Fig. 2-4, and the high-voltage switch gear displacement speed sensor, its feature comprises:
One long column shape metal shell 3 is arranged, and the one side has an elongated opening 4 along its length;
Grating chi 2 is fixed in the shell 3, and grating chi 2 inserts in the opto-electronic conversion 1;
The inwall one or both sides of shell 3 are provided with many metal slivers 5 parallel to each other and insulation along its length;
Support 6 is equipped with in opto-electronic conversion 1 side, support 6 stretches out from elongated opening 4, and can slidably reciprocate at the drive lower edge of high-voltage switch gear moving contact D elongated opening 4, drive opto-electronic conversion 1 a together motion, there are a plurality of brushes 7 side or two opposite flanks of opto-electronic conversion 1, and each brush 7 keeps sliding contacts with corresponding metal sliver 5;
The optical transmission circuit 11 of opto-electronic conversion 1 and the circuit board of optical receiving circuit 12 9 and opto-electronic conversion 1 is close to;
Fig. 7, the luminotron D1 in the opto-electronic conversion 1 is relative in twos with photosensitive tube D2, is installed in the both sides of grating chi 2, constitutes Nonopaque type and detects, and grating chi 2 can be by the light transmissive material printing, or the metal hollow out is made.
Fig. 5, optical transmission circuit 11 comprises: external power source connects cable socket 14 or plug, and cable socket 14 connects sliver 51, brush 71, is connected in series luminotron D1, resistance R 1 then, is connected to cable socket 14 through brush 72, sliver 52;
Fig. 6, signal processing circuit 13 comprises: termination power on the resistance R 2, following termination photosensitive tube D2 negative pole and capacitor C 1, capacitor C 1 connects IC1 input end 3 pin, IC1 input end 2 pin connecting resistance R3, R4, R3 goes into ground after connecing capacitor C 2, and IC1 output terminal 1 pin meets R4, C3, C3 connects IC2 input end 6 pin, IC2 input end 5 pin connect potentiometer W swing arm, potentiometer W swing arm one termination power, other end ground connection, IC2 output terminal 7 pin connect brush 73, and IC1, IC2 are LM324 amplifier piece.D1, D2 adopt infrared emission, receiving tube.
Embodiment 2: substantially the same manner as Example 1, different is:
See Fig. 8, luminotron D1 in the opto-electronic conversion 1 and photosensitive tube D2 install in the same side of grating chi 2, and the axis angle G of the two constitutes reflective detection between 1 to 90 degree, and grating chi 2 is made by light-proof material, and light and dark travers are arranged on it.
Embodiment 3: see Fig. 9, substantially the same manner as Example 1, different is: comprise two groups of optical transmission circuit 11 and optical receiving circuits 12 that circuit structure is identical in the opto-electronic conversion 1, between the light-emitting tube D1 of two groups of circuit, the D1 ＇ and between corresponding light receiving tube D2, the D2 ＇, spatially separate certain distance each other, place the both sides of grating chi 2 respectively, the output of two groups of circuit is connected to cable socket 14 through separately brush 7, sliver 5 respectively.Detection mode is that Nonopaque type detects.
Embodiment 4: see Figure 10, substantially the same manner as Example 3, different is: detection mode is reflective detection.Light-emitting tube D1, D1 ＇ and light receiving tube D2, D2 ＇ place the same side of grating chi 2.
Since between the photoelectric tube of two groups of circuit at intervals, when opto-electronic conversion 1 when grating chi 2 moves, the photosignal that two groups of circuit obtain just can produce regular hour difference or phase differential.The external testing tool of sensor just can further be judged the direction of motion of contact according to the mistiming or the phase differential of two paths of signals.
Claims (5)
1, high-voltage switch gear displacement speed sensor, its feature comprises:
One long column shape metal shell 3 is arranged, and the one side has an elongated opening 4 along its length;
Grating chi 2 is fixed in the shell 3, and grating chi 2 inserts in the opto-electronic conversion 1 or in opto-electronic conversion 1 side;
The inwall one or both sides of shell 3 are provided with many metal slivers 5 parallel to each other and insulation along its length;
Support 6 is equipped with in opto-electronic conversion 1 side, support 6 stretches out from elongated opening 4, and can slidably reciprocate at the drive lower edge of high-voltage switch gear moving contact D elongated opening 4, drive opto-electronic conversion 1 a together motion, there are a plurality of brushes 7 opto-electronic conversion 1 one sides or two opposite flanks, and each brush 7 keeps sliding contact with corresponding metal sliver 5;
The optical transmission circuit 11 of opto-electronic conversion 1 and the circuit board of optical receiving circuit 12 9 and opto-electronic conversion 1 is close to.
2, high-voltage switch gear displacement speed sensor according to claim 1, its feature comprises: optical transmission circuit 11 comprises: external power source connects cable socket 14 or plug, cable socket 14 connects sliver 51, brush 71, is connected in series luminotron D1, resistance R 1 then, is connected to cable socket 14 through brush 72, sliver 52;
Optical receiving circuit 12 comprises: photosensitive tube D2 connects the input end of follow-up signal treatment circuit 13, and the output termination brush 73 of follow-up signal treatment circuit 13, sliver 53 connect cable socket 14 again.
3, high-voltage switch gear displacement speed sensor according to claim 2, its feature comprises: the luminotron D1 in the opto-electronic conversion 1 is relative in twos with photosensitive tube D2, is installed in the both sides of grating chi 2, constitutes Nonopaque type and detects, grating chi 2 can be by the light transmissive material printing, or the metal hollow out is made.
4, high-voltage switch gear displacement speed sensor according to claim 2, its feature comprises: luminotron D1 in the opto-electronic conversion 1 and photosensitive tube D2 install in the same side of grating chi 2, the axis angle of the two is between 1 to 90 degree, constitute reflective detection, grating chi 2 is made by light-proof material, and light and dark travers are arranged on it.
5, according to claim 3 or 4 described high-voltage switch gear displacement speed sensors, its feature comprises: comprise two groups of optical transmission circuit 11 and optical receiving circuits 12 that circuit structure is identical in the opto-electronic conversion 1, between the light-emitting tube D1 of two groups of circuit, the D1 ＇ and between corresponding light receiving tube D2, the D2 ＇, spatially separate certain distance each other, the output of two groups of circuit is connected to cable socket 14 through separately brush 7, sliver 5 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223218 CN2423568Y (en) | 2000-06-08 | 2000-06-08 | High-pressure switch displacement velocity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00223218 CN2423568Y (en) | 2000-06-08 | 2000-06-08 | High-pressure switch displacement velocity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2423568Y true CN2423568Y (en) | 2001-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00223218 Expired - Fee Related CN2423568Y (en) | 2000-06-08 | 2000-06-08 | High-pressure switch displacement velocity sensor |
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| Country | Link |
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| CN (1) | CN2423568Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438938A (en) * | 2013-09-05 | 2013-12-11 | 中国航天时代电子公司 | Displacement speed sensor applied to high impact and strong vibration conditions |
| CN104266590A (en) * | 2014-09-12 | 2015-01-07 | 江苏仅一包装技术有限公司 | Simple straight line positioning device |
| CN104713484A (en) * | 2015-03-09 | 2015-06-17 | 北京奥特普森精密机械有限公司 | Closed type optical grating linear displacement sensor structure for ultra-precise machine tool |
| CN105547162A (en) * | 2016-01-18 | 2016-05-04 | 梁磊 | Integrated-type weighing tape measuring tool and method |
| CN108008143A (en) * | 2017-12-01 | 2018-05-08 | 西安工业大学 | A kind of laser velocimeter devices and methods therefor of bullet exit portal speed |
| CN111623710A (en) * | 2020-04-21 | 2020-09-04 | 广州市信诺光栅数显有限公司 | Grating ruler reading head pulley based on high-strength high-modulus fiber material |
-
2000
- 2000-06-08 CN CN 00223218 patent/CN2423568Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438938A (en) * | 2013-09-05 | 2013-12-11 | 中国航天时代电子公司 | Displacement speed sensor applied to high impact and strong vibration conditions |
| CN104266590A (en) * | 2014-09-12 | 2015-01-07 | 江苏仅一包装技术有限公司 | Simple straight line positioning device |
| CN104266590B (en) * | 2014-09-12 | 2017-06-13 | 江苏仅一包装技术有限公司 | Simple linear positioning system |
| CN104713484A (en) * | 2015-03-09 | 2015-06-17 | 北京奥特普森精密机械有限公司 | Closed type optical grating linear displacement sensor structure for ultra-precise machine tool |
| CN105547162A (en) * | 2016-01-18 | 2016-05-04 | 梁磊 | Integrated-type weighing tape measuring tool and method |
| CN108008143A (en) * | 2017-12-01 | 2018-05-08 | 西安工业大学 | A kind of laser velocimeter devices and methods therefor of bullet exit portal speed |
| CN108008143B (en) * | 2017-12-01 | 2023-09-05 | 西安工业大学 | Laser speed measuring device and method for speed of bullet exit |
| CN111623710A (en) * | 2020-04-21 | 2020-09-04 | 广州市信诺光栅数显有限公司 | Grating ruler reading head pulley based on high-strength high-modulus fiber material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |