CN103472336B - A kind of measurement jig - Google Patents
A kind of measurement jig Download PDFInfo
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- CN103472336B CN103472336B CN201310422871.8A CN201310422871A CN103472336B CN 103472336 B CN103472336 B CN 103472336B CN 201310422871 A CN201310422871 A CN 201310422871A CN 103472336 B CN103472336 B CN 103472336B
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Abstract
The invention discloses a kind of measurement jig, comprise: signal processing apparatus, its input end connects measured signal, for gathering measured signal and described measured signal being converted to dry contact signal, dry contact joint connecting device, its one end connects the output terminal of described signal processing apparatus, for the dry contact signal that the output terminal receiving described signal processing apparatus exports, and testing result output unit, it connects the other end of dry contact joint connecting device, for according to described dry contact signal output detections result.Measured signal by processing measured signal, and is converted to dry contact signal by the present invention, corresponding output one testing result, and checking by testing result is very clear to the state of measured signal, greatly improves detection efficiency.
Description
Technical field
The present invention relates to industrial control field, particularly relate to a kind of measurement jig.
Background technology
At present, for the duty of checkout equipment, usual way carries out signals collecting by dry contact to each signal of interest in equipment, and according to the requirement of user, the equipment requirement that producer is producing is different, test condition disunity, the method of testing of conventional dry contact is according to equipment the dry contact signal (Chang Kai or normally closed) that different duties sends, with multimeter one by one go the duty measuring dry contact signal and the equipment sent whether consistent, testing procedure is loaded down with trivial details, extremely inconvenient, and efficiency is very low.
Summary of the invention
The object of the invention is to propose a kind of measurement jig, solve above technical matters.
For reaching this object, the present invention by the following technical solutions:
A kind of measurement jig, comprising:
Signal processing apparatus, its input end connects measured signal, for gathering measured signal and described measured signal being converted to dry contact signal;
Dry contact joint connecting device, its one end connects the output terminal of described signal processing apparatus, the dry contact signal that the output terminal for receiving described signal processing apparatus exports;
And testing result output unit, it connects the other end of dry contact joint connecting device, for according to described dry contact signal output detections result.
Preferably, described dry contact joint connecting device comprises the first web member and the second web member, described second web member connects the output terminal of described signal processing apparatus, described second web member is provided with dry contact interface jack, described first web member is provided with the plug wire matched with described dry contact interface jack, by described dry contact interface jack and the mutual grafting of described plug wire to realize described first web member and described second web member grafting.
Preferably, described second web member is socket, described dry contact interface jack is arranged on described socket, described dry contact interface jack comprises dry contact signal jack and common port jack, dry contact signal lead terminal and common port lead terminal is respectively arranged with in described dry contact signal jack and in described common port jack, described dry contact signal lead terminal connects the output terminal of described signal processing apparatus, described first web member is the plug matched with described socket, the plug wire terminal corresponding with described dry contact signal lead terminal is provided with in described plug, described plug wire terminal comprises dry contact signal plug wire terminal and common port plug wire terminal, described plug and described socket grafting, described dry contact signal plug wire terminal is connected with described dry contact signal lead terminal, and described common port lead terminal is connected with described common port plug wire terminal.
Preferably, described socket is many mouthfuls of sockets, described many mouthfuls of sockets comprise multiple described dry contact interface jack, described dry contact interface jack comprises common port jack and at least one dry contact signal jack, corresponding, described plug mates with described socket, and described plug comprises common port plug wire terminal and at least one dry contact signal plug wire terminal.
Preferably, described many mouthfuls of sockets are preferably eight mouthfuls of sockets, and described eight mouthfuls of sockets comprise a common port jack and seven dry contact signal jacks, corresponding, described plug is eight mouthfuls of plugs, and described eight mouthfuls of plugs comprise a common port plug wire terminal and seven dry contact signal plug wire terminals.
Preferably, described signal processing apparatus comprises signaling conversion circuit, gauge tap and shorting pin, the input end of described signaling conversion circuit connects described measured signal, the output terminal of described signaling conversion circuit connects described gauge tap, described gauge tap connects described shorting pin, and described shorting pin connects described dry contact signal lead terminal; Described gauge tap comprises moving contact, the first stationary contact and the second stationary contact, described moving contact connects described common port lead terminal, described first stationary contact connects the 3rd end of described shorting pin, described second stationary contact connects the first end of described shorting pin, described dry contact signal lead terminal connects the second end of described shorting pin, the second end of described shorting pin and the first end of described shorting pin or three-terminal link.
Preferably, described signaling conversion circuit comprises current-limiting resistance, triode, anti-reverse diode and power supply adaptor, described power supply adaptor provides the power supply of+VCC needed for described signaling conversion circuit, described gauge tap also comprises solenoid, the first end of described current-limiting resistance connects described measured signal, second end of described current-limiting resistance connects the base stage of described triode, the grounded emitter of described triode, the collector of described triode connects the positive pole of described diode, the negative pole of described diode connects+VCC power supply, the collector of described triode also connects the first end of the solenoid of described gauge tap, second end of described solenoid connects+VCC power supply.
Preferably; described testing result output unit comprises light emitting diode, protective resistance and direct supply; the positive pole of described direct supply connects the first end of described protective resistance; the negative pole of described direct supply connects described common port plug wire terminal; the positive pole of the second end connecting luminous diode of described protective resistance, the negative pole of described light emitting diode connects described dry contact signal plug wire terminal.
Preferably, described gauge tap adopts relay or contactor.
Beneficial effect of the present invention: the present invention is processed measured signal by signalization treating apparatus, and measured signal is converted to dry contact signal, by dry contact joint connecting device by dry contact Signal transmissions to testing result output unit, testing result output unit is according to the dry contact signal received, corresponding output one testing result, checking by testing result, very clear to the state of measured signal, it also avoid with multimeter one by one go the duty of checkout equipment whether normal, connection between each device is simple, and testing procedure is simple, greatly improve detection efficiency.
Accompanying drawing explanation
Fig. 1 is the Cleaning Principle figure of the measurement jig of the first embodiment.
Fig. 2 is the concrete structure schematic diagram of the measurement jig of the second embodiment.
Fig. 3 is the physical circuit figure of the signal processing apparatus of the 3rd embodiment.
Fig. 4 is the system circuit diagram of the measurement jig of the 4th embodiment.
In figure: 101, measured signal source; 102, signal processing apparatus; 103, dry contact joint connecting device; 104, testing result output unit; 105, the second web member; 106, the first web member; 107, dry contact interface jack; 108, plug wire terminal; 109, gauge tap; 110, shorting pin; 111, dry contact signal lead terminal; 112, common port lead terminal; 113, moving contact; 114, the first stationary contact; 115, the second stationary contact; 116, solenoid; 117, measured signal lead terminal.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Please refer to Fig. 1, Fig. 1 is the Cleaning Principle figure of the measurement jig of first embodiment of the invention.The measurement jig that the present invention proposes, comprising: signal processing apparatus 102, dry contact joint connecting device 103 and testing result output unit 104.
Wherein, the input end of signal processing apparatus 102 connects measured signal, for gathering measured signal and measured signal being converted to dry contact signal; The two ends output terminal of connection signal treating apparatus 102 and the input end of testing result output unit 104 respectively of dry contact joint connecting device 103, for the dry contact signal that the output terminal of Received signal strength treating apparatus 102 exports, and by dry contact Signal transmissions to testing result output unit 104, testing result output unit 104 exports corresponding testing result according to dry contact signal.By checking that testing result can follow the tracks of the state of measured signal at any time, testing process is not only made to simplify, avoid artificially with multimeter one by one go the duty of checkout equipment whether normal, greatly improve detection efficiency, and add the accuracy of test result.
Please refer to Fig. 2, Fig. 2 is the concrete structure schematic diagram of the measurement jig of the second embodiment.The present embodiment provides a kind of dry contact joint connecting device 103, comprise the first web member 106 and the second web member 105, second web member 105 is provided with dry contact interface jack 107, first web member 106 is provided with the plug wire terminal 108 matched with dry contact interface jack 107, by the mutual grafting of dry contact interface jack 107 and plug wire terminal 108 to realize the first web member 106 and the second web member 105 grafting.
Wherein, second web member 105 can make socket, dry contact interface jack 107 is arranged on socket, dry contact interface jack 107 according to different demand can with side by side, the mode such as symmetrical or irregular is arranged on socket, the first web member 106 uses the plug matched with socket.
Concrete, dry contact interface jack 107 comprises dry contact signal jack and common port jack, dry contact signal lead terminal 111 and common port lead terminal 112 is respectively arranged with in dry contact signal jack and in common port jack, the output terminal of dry contact signal lead terminal 111 connection signal treating apparatus 102, first web member 106 uses the plug matched with socket, the plug wire terminal 108 corresponding with lead terminal is provided with in its plug, corresponding, plug wire terminal 108 comprises dry contact signal plug wire terminal and common port plug wire terminal, plug and socket grafting, realize the connection of dry contact signal plug wire terminal and dry contact signal lead terminal 111, and common port lead terminal 112 is connected with common port plug wire terminal.
By the Signal transmissions adopting the mode of plug and socket grafting to realize signal processing apparatus 102 and testing result output unit 104, not only connect very convenient, and can with survey with pulling out, in addition, on plug and socket, numbering can be set respectively, detection can be made convenient and very clear, increase the applicability of measurement jig.
Concrete, testing result output unit 104 comprises multiple testing circuit and direct supply, testing circuit comprises light emitting diode and protective resistance, wherein, light emitting diode also can use other warning devices or display device to substitute, as a preferred implementation of the present embodiment, the testing circuit of testing result output unit 104 is seven, be respectively the first testing circuit, second testing circuit, three testing circuit, 4th testing circuit, 5th testing circuit, 6th testing circuit and the 7th testing circuit, with the first testing circuit for example, as shown in Figure 2, first testing circuit comprises light emitting diode D1 and protective resistance R1, the positive pole of direct supply connects the first end of protective resistance R1, the negative pole of direct supply connects common port plug wire terminal, the positive pole of the second end connecting luminous diode D1 of protective resistance R1, the negative pole of light emitting diode D1 connects dry contact signal plug wire terminal.All the other six testing circuits and the first testing circuit connected mode similar, the measurement jig support in the present embodiment is tested seven measured signals simultaneously, with low cost, very practical.
Please refer to Fig. 3, Fig. 3 is the physical circuit figure of the signal processing apparatus of the 3rd embodiment.The present embodiment provides a kind of signal processing apparatus 102 of measurement jig, comprising: signaling conversion circuit, gauge tap 109 and shorting pin 110.
Wherein, the input end of signaling conversion circuit connects measured signal, the output terminal connection control switch 109 of signaling conversion circuit, and gauge tap 109 connects shorting pin 110, and shorting pin 110 connects dry contact signal lead terminal 111; Gauge tap 109 comprises moving contact 113, first stationary contact 114 and the second stationary contact 115 and solenoid 116, moving contact 113 connects common port lead terminal 112, first stationary contact 114 connects the 3rd end of shorting pin 110, second stationary contact 115 connects the first end of shorting pin 110, dry contact signal lead terminal 111 connects the second end of shorting pin 110, the second end of shorting pin 110 and the first end of shorting pin 110 or three-terminal link.
Concrete, corresponding to the first embodiment, as a preferred implementation of the present embodiment, the signaling conversion circuit of signal processing apparatus 102 is seven, be respectively the first signaling conversion circuit, secondary signal change-over circuit, 3rd signaling conversion circuit, 4th signaling conversion circuit, 5th signaling conversion circuit, 6th signaling conversion circuit and the 7th signaling conversion circuit, the similar of seven change-over circuits, with the first signaling conversion circuit for example, as shown in Figure 3, first signaling conversion circuit comprises current-limiting resistance R1, triode Q1, anti-reverse diode D1 and power supply adaptor, power supply adaptor provides required+VCC power supply for signaling conversion circuit, the first end of current-limiting resistance R1 connects measured signal, the base stage of the second end connecting triode Q1 of current-limiting resistance R1, the grounded emitter of triode Q1, the collector of triode Q1 also connects the positive pole of diode D1, the negative pole of diode D1 connects+VCC power supply, the first end of the solenoid 116 of the collector connection control switch 109 of triode Q1, second end of solenoid 116 connects+VCC power supply.
By gathering measured signal, utilize signaling conversion circuit that the state of gauge tap 109 and measured signal are connected, wherein, when second end of shorting pin 110 is connected with the first end of shorting pin 110, when moving contact 113 is connected with the first stationary contact 114, dry contact signal lead terminal 111 and common port lead terminal 112 are off-states, when moving contact 113 is connected with the second stationary contact 115, dry contact signal lead terminal 111 and common port lead terminal 112 are closure states, in like manner, if during the three-terminal link of the second end of shorting pin 110 and shorting pin 110, when moving contact 113 is connected with the first stationary contact 114, dry contact signal lead terminal 111 and common port lead terminal 112 are closure states, when moving contact 113 is connected with the second stationary contact 115, dry contact signal lead terminal 111 and common port lead terminal 112 are off-states, measured signal lead terminal 117 do not receive signal or when measured signal lead terminal 117 receive measured signal be low level time, minimum or be 0 through solenoid 116 electric current, gauge tap 109 is in off-position, the now moving contact 113 of gauge tap 109, first stationary contact 114 and the second stationary contact 115 are positioned at virgin state, moving contact 113 is connected with the first stationary contact 114, first stationary contact 114 is normally closed contact, second stationary contact 115 is normally opened contact, when the measured signal that measured signal lead terminal 117 receives is high level, solenoid 116 is energized, moving contact 113 is connected with the second stationary contact 115, by the signaling conversion circuit of signal processing apparatus 102 and cooperatively interacting of gauge tap 109, achieve the duty being controlled gauge tap 109 by measured signal, export different dry contact signals, control principle is simple and reliable, and the device cost used is cheap.
Please refer to Fig. 4, Fig. 4 is the system circuit diagram of the measurement jig of the 4th embodiment, the present embodiment provides the concrete annexation of measurement jig operating circuit, one end of measured signal lead terminal 117 connects measured signal source 101, extract or collecting test signal from measured signal source 101, because circuit may produce high frequency interference, also be connected with power supply at measured signal source 101 output terminal and move back even filtering circuit, power supply moves back even filtering circuit and adopts big capacity electrolyte capacitor C1 and low capacity electric capacity C2 in parallel, realize measured signal source 101 noise decoupling, reduce signal disturbing, the input end of the other end connection signal treating apparatus 102 of measured signal lead terminal 117, the i.e. first end of current-limiting resistance R1, the dry contact signal lead terminal 111 of the output terminal of signal processing apparatus 102 is connected the second web member 105 respectively with common port lead terminal 112.Present embodiment describes whole annexation and principle that how measured signal is converted to dry contact signal, in conjunction with the content described in the second embodiment, after dry contact signal lead terminal 111 is connected the second web member 105 with common port lead terminal 112, connect testing result output unit 104 by the first web member 106 again, complete dry contact Signal transmissions to testing result output unit 104.
Signal processing apparatus 102 is after measured signal source 101 gathers a measured signal, the duty of gauge tap 109 is controlled through signaling conversion circuit, if the first end of shorting pin 110 is connected with the second end of shorting pin 110, when measured signal is high level, signaling conversion circuit controls moving contact 113 and the first stationary contact 114 disconnects, moving contact 113 and the second stationary contact 115 are closed, now, dry contact signal lead terminal 111 is connected with common port lead terminal 112, the dry contact signal plug wire terminal of the first web member 106 and common port plug wire terminal are closed, the lumination of light emitting diode of testing result output unit 104, point out now measured signal for exporting high level signal, when measured signal is low level, in like manner, moving contact 113 and the first stationary contact 114 close, dry contact signal lead terminal 111 is not connected with common port lead terminal 112, the light emitting diode of testing result output unit 104 is not energized, can not be luminous, now measured signal is pointed out to be output low level signal.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a measurement jig, is characterized in that, comprising:
Signal processing apparatus, its input end connects measured signal, for gathering measured signal and described measured signal being converted to dry contact signal;
Dry contact joint connecting device, its one end connects the output terminal of described signal processing apparatus, the dry contact signal that the output terminal for receiving described signal processing apparatus exports;
And testing result output unit, it connects the other end of dry contact joint connecting device, for according to described dry contact signal output detections result;
Described dry contact joint connecting device comprises the first web member and the second web member, described second web member connects the output terminal of described signal processing apparatus, described second web member is provided with dry contact interface jack, described first web member is provided with the plug wire matched with described dry contact interface jack, by described dry contact interface jack and the mutual grafting of described plug wire to realize described first web member and described second web member grafting, described second web member is socket, described dry contact interface jack is arranged on described socket, described dry contact interface jack comprises dry contact signal jack and common port jack, dry contact signal lead terminal and common port lead terminal is respectively arranged with in described dry contact signal jack and in described common port jack, described dry contact signal lead terminal connects the output terminal of described signal processing apparatus, described first web member is the plug matched with described socket, the plug wire terminal corresponding with described dry contact signal lead terminal is provided with in described plug, described plug wire terminal comprises dry contact signal plug wire terminal and common port plug wire terminal, described plug and described socket grafting, described dry contact signal plug wire terminal is connected with described dry contact signal lead terminal, and described common port lead terminal is connected with described common port plug wire terminal,
Described socket is many mouthfuls of sockets, described many mouthfuls of sockets comprise multiple described dry contact interface jack, described dry contact interface jack comprises common port jack and at least one dry contact signal jack, corresponding, described plug mates with described socket, and described plug comprises common port plug wire terminal and at least one dry contact signal plug wire terminal;
Described signal processing apparatus comprises signaling conversion circuit, gauge tap and shorting pin, the input end of described signaling conversion circuit connects described measured signal, the output terminal of described signaling conversion circuit connects described gauge tap, described gauge tap connects described shorting pin, and described shorting pin connects described dry contact signal lead terminal; Described gauge tap comprises moving contact, the first stationary contact and the second stationary contact, described moving contact connects described common port lead terminal, described first stationary contact connects the 3rd end of described shorting pin, described second stationary contact connects the first end of described shorting pin, described dry contact signal lead terminal connects the second end of described shorting pin, the second end of described shorting pin and the first end of described shorting pin or three-terminal link.
2. measurement jig according to claim 1, it is characterized in that, described many mouthfuls of sockets are preferably eight mouthfuls of sockets, described eight mouthfuls of sockets comprise a common port jack and seven dry contact signal jacks, corresponding, described plug is eight mouthfuls of plugs, and described eight mouthfuls of plugs comprise a common port plug wire terminal and seven dry contact signal plug wire terminals.
3. measurement jig according to claim 1, it is characterized in that, described signaling conversion circuit comprises current-limiting resistance, triode, anti-reverse diode and power supply adaptor, described power supply adaptor provides the power supply of+VCC needed for described signaling conversion circuit, described gauge tap also comprises solenoid, the first end of described current-limiting resistance connects described measured signal, second end of described current-limiting resistance connects the base stage of described triode, the grounded emitter of described triode, the collector of described triode connects the positive pole of described diode, the negative pole of described diode connects+VCC power supply, the collector of described triode also connects the first end of the solenoid of described gauge tap, second end of described solenoid connects+VCC power supply.
4. measurement jig according to claim 1; it is characterized in that; described testing result output unit comprises light emitting diode, protective resistance and direct supply; the positive pole of described direct supply connects the first end of described protective resistance; the negative pole of described direct supply connects described common port plug wire terminal; the positive pole of the second end connecting luminous diode of described protective resistance, the negative pole of described light emitting diode connects described dry contact signal plug wire terminal.
5. measurement jig according to claim 1, is characterized in that, described gauge tap adopts relay or contactor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422871.8A CN103472336B (en) | 2013-09-16 | 2013-09-16 | A kind of measurement jig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422871.8A CN103472336B (en) | 2013-09-16 | 2013-09-16 | A kind of measurement jig |
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| CN103472336A CN103472336A (en) | 2013-12-25 |
| CN103472336B true CN103472336B (en) | 2015-12-09 |
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| CN201310422871.8A Active CN103472336B (en) | 2013-09-16 | 2013-09-16 | A kind of measurement jig |
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| CN110907735A (en) * | 2019-12-08 | 2020-03-24 | 国网河南省电力公司洛阳供电公司 | Modular primary equipment simulation system |
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| TWI432753B (en) * | 2009-07-31 | 2014-04-01 | Quanta Comp Inc | Test system and test method thereof |
| CN201562022U (en) * | 2009-11-16 | 2010-08-25 | 深圳市华力特电气股份有限公司 | On-line electric energy quality monitoring instrument and on-line electric energy quality monitoring system |
| CN102231266B (en) * | 2011-07-07 | 2013-06-05 | 广州视源电子科技股份有限公司 | LCD TV (Liquid Crystal Display Television) driving system in modularized splicing mode and controlling method thereof |
| CN203455428U (en) * | 2013-09-16 | 2014-02-26 | 广东易事特电源股份有限公司 | Test jig |
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