CN203455428U - Test jig - Google Patents
Test jig Download PDFInfo
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- CN203455428U CN203455428U CN201320574125.6U CN201320574125U CN203455428U CN 203455428 U CN203455428 U CN 203455428U CN 201320574125 U CN201320574125 U CN 201320574125U CN 203455428 U CN203455428 U CN 203455428U
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- dry contact
- signal
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- common port
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000005259 measurement Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 230000011664 signaling Effects 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012956 testing procedure Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a test jig. The test jig comprises a signal processing device, wherein an input terminal of the signal processing device is connected with a signal to be tested, and the signal processing device is used for acquiring the signal to be tested and converting the signal to be tested into a dry contact signal; a dry contact interface connecting device, wherein one terminal of the dry contact interface connecting device is connected with an output terminal of the signal processing device, and the dry contact interface connecting device is used for receiving the dry contact signal output by the output terminal of the signal processing device; and a test result output device connected with the other terminal of the dry contact interface connecting device and used for outputting a test result according to the dry contact signal. The signal to be tested is processed and converted into the dry contact signal, and the test result is output correspondingly, so that states of the signal to be tested are clear by checking the test result, and test efficiency is largely improved.
Description
Technical field
The utility model relates to industrial control field, relates in particular to a kind of measurement jig.
Background technology
At present, duty for checkout equipment, usual way is, by dry contact, each signal of interest in equipment is carried out to signals collecting, and according to user's requirement, producer is different at the equipment requirement of producing, test condition disunity, the method of testing of conventional dry contact is the dry contact signal (Chang Kai or normally closed) sending in different duties according to equipment, whether consistent with the duty of equipment with the multimeter dry contact signal that goes measurement to send one by one, testing procedure is loaded down with trivial details, extremely inconvenient, and efficiency is very low.
Utility model content
The purpose of this utility model is to propose a kind of measurement jig, solves above technical matters.
For reaching this object, the utility model by the following technical solutions:
A 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, for receiving the dry contact signal of the output terminal output of described signal processing apparatus;
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 the second web member connects the output terminal of described signal processing apparatus, on described the second web member, be provided with dry contact interface jack, on described the first web member, be provided with the plug wire matching with described dry contact interface jack, by described dry contact interface jack and described plug wire, mutually peg graft to realize described the first web member and described the second web member is pegged graft.
Preferably, described the 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, in described dry contact signal jack and in described common port jack, be respectively arranged with dry contact signal lead terminal and common port lead terminal, described dry contact signal lead terminal connects the output terminal of described signal processing apparatus, described the first web member is the plug matching with described socket, in described plug, be provided with the plug wire terminal corresponding with described dry contact signal lead terminal, described plug wire terminal comprises dry contact signal plug wire terminal and common port plug wire terminal, described plug and described socket are pegged graft, 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 a plurality of 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 short circuit contact 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 short circuit contact pin, and described short circuit contact 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 the first stationary contact connects the 3rd end of described short circuit contact pin, described the second stationary contact connects the first end of described short circuit contact pin, described dry contact signal lead terminal connects the second end of described short circuit contact pin, and the second end of described short circuit contact pin is connected with the first end of described short circuit contact pin or the 3rd end.
Preferably, described signaling conversion circuit comprises current-limiting resistance, triode, anti-reverse diode and power supply adaptor, described power supply adaptor provide described signaling conversion circuit required+VCC power supply, described gauge tap also comprises solenoid, the first end of described current-limiting resistance connects described measured signal, the 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, negative pole connection+VCC the power supply of described diode, the collector of described triode also connects the first end of the solenoid of described gauge tap, the second end connection+VCC power supply of described solenoid.
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.
The beneficial effects of the utility model: the utility model is processed measured signal by signalization treating apparatus, and measured signal is converted to dry contact signal, by dry contact joint connecting device, dry contact signal is transferred to testing result output unit, testing result output unit is according to the dry contact signal receiving, corresponding output one testing result, by checking of testing result, state to measured signal is very clear, also avoided whether normal by the multimeter duty of removing checkout equipment one by one, connection between each device is simple, and testing procedure is simple, greatly improved detection efficiency.
Accompanying drawing explanation
Fig. 1 is the detection schematic diagram 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, short circuit contact 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
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.Be understandable that, specific embodiment described herein is only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, in accompanying drawing, only show the part relevant to the utility model but not full content.
Please refer to Fig. 1, Fig. 1 is the detection schematic diagram of the measurement jig of the utility model the first embodiment.The measurement jig the utility model 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 of dry contact joint connecting device 103 connect respectively the output terminal of signal processing apparatus 102 and the input end of testing result output unit 104, for receiving the dry contact signal of the output terminal output of signal processing apparatus 102, and dry contact signal is transferred to testing result output unit 104, testing result output unit 104 is exported corresponding testing result according to dry contact signal.By checking testing result, can follow the tracks of at any time the state of measured signal, not only make testing process simplify, avoided artificial whether normal by the multimeter duty of removing checkout equipment one by one, greatly improved detection efficiency, and increased 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, on the second web member 105, be provided with dry contact interface jack 107, on the first web member 106, be provided with the plug wire terminal 108 matching with dry contact interface jack 107, by dry contact interface jack 107 and plug wire terminal 108, mutually peg graft to realize the first web member 106 and the second web member 105 grafting.
Wherein, the second web member 105 can be made socket, dry contact interface jack 107 is arranged on socket, dry contact interface jack 107 according to different demands can with side by side, the mode such as symmetrical or irregular is arranged on socket, the first web member 106 is used the plug matching with socket.
Concrete, dry contact interface jack 107 comprises dry contact signal jack and common port jack, in dry contact signal jack and in common port jack, be respectively arranged with dry contact signal lead terminal 111 and common port lead terminal 112, dry contact signal lead terminal 111 connects the output terminal of signal processing apparatus 102, the first web member 106 is used the plug matching with socket, in its plug, be provided with the plug wire terminal 108 corresponding with lead terminal, corresponding, plug wire terminal 108 comprises dry contact signal plug wire terminal and common port plug wire terminal, plug and socket is pegged graft, realize being connected 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.
The signal of realizing signal processing apparatus 102 and testing result output unit 104 by the mode that adopts plug and socket to peg graft transmits, not only connect very convenient, and can be with surveying with pulling out, in addition, numbering can be set respectively on plug and socket, can make to detect convenient and very clear, increase the applicability of measurement jig.
Concrete, testing result output unit 104 comprises a plurality of testing circuits 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, a preferred implementation as the present embodiment, the testing circuit of testing result output unit 104 is seven, be respectively the first testing circuit, the second testing circuit, three testing circuit, the 4th testing circuit, the 5th testing circuit, the 6th testing circuit and the 7th testing circuit, take the first testing circuit as 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 are similar, and 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 short circuit contact pin 110.
Wherein, the input end of signaling conversion circuit connects measured signal, and the output terminal of signaling conversion circuit connects gauge tap 109, and gauge tap 109 connects short circuit contact pin 110, and short circuit contact pin 110 connects dry contact signal lead terminal 111; Gauge tap 109 comprises moving contact 113, the first stationary contact 114 and the second stationary contact 115 and solenoid 116, moving contact 113 connects common port lead terminal 112, the first stationary contact 114 connects the 3rd end of short circuit contact pin 110, the second stationary contact 115 connects the first end of short circuit contact pin 110, dry contact signal lead terminal 111 connects the second end of short circuit contact pin 110, and the second end of short circuit contact pin 110 is connected with the first end of short circuit contact pin 110 or the 3rd end.
Concrete, corresponding to the first embodiment, a preferred implementation as the present embodiment, the signaling conversion circuit of signal processing apparatus 102 is seven, be respectively first signal change-over circuit, secondary signal change-over circuit, the 3rd signaling conversion circuit, the 4th signaling conversion circuit, the 5th signaling conversion circuit, the 6th signaling conversion circuit and the 7th signaling conversion circuit, the structure of seven change-over circuits is similar, take first signal change-over circuit as example, as shown in Figure 3, first signal change-over 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, negative pole connection+VCC the power supply of diode D1, the collector of triode Q1 connects the first end of the solenoid 116 of gauge tap 109, the second end connection+VCC power supply of solenoid 116.
By gathering measured signal, utilize signaling conversion circuit that the state of gauge tap 109 and measured signal are connected, wherein, when the second end of short circuit contact pin 110 is connected with the first end of short circuit contact pin 110, when moving contact 113 is connected with the first stationary contact 114, dry contact signal lead terminal 111 is off-states with common port lead terminal 112, when moving contact 113 is connected with the second stationary contact 115, dry contact signal lead terminal 111 is closure states with common port lead terminal 112, in like manner, when if the second end of short circuit contact pin 110 is connected with the 3rd end of short circuit contact pin 110, when moving contact 113 is connected with the first stationary contact 114, dry contact signal lead terminal 111 is closure states with common port lead terminal 112, when moving contact 113 is connected with the second stationary contact 115, dry contact signal lead terminal 111 is off-states with common port lead terminal 112, at measured signal lead terminal 117, do not receive signal or when the measured signal that receives when measured signal lead terminal 117 is low level, minimum or be 0 through solenoid 116 electric currents, gauge tap 109 is in off-position, the moving contact 113 of gauge tap 109 now, the 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, the first stationary contact 114 is normally closed contact, the second stationary contact 115 is normally opened contact, when the measured signal of measured signal lead terminal 117 receptions is high level, solenoid 116 energisings, 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, realized the duty of controlling gauge tap 109 by measured signal, export different dry contact signals, control principle is simple and reliable, and the device cost using 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, from measured signal source, 101 extract or collecting test signal, because circuit may produce high frequency interference, at measured signal source 101 output terminals, be also connected with power supply and move back even filtering circuit, power supply moves back even filtering circuit and adopts big capacity electrolyte capacitor C1 and 2 parallel connections of low capacity capacitor C, realize measured signal source 101 noise decouplings, reducing signal disturbs, the other end of measured signal lead terminal 117 connects the input end of signal processing apparatus 102, it is the first end of current-limiting resistance R1, dry contact signal lead terminal 111 and the common port lead terminal 112 of the output terminal of signal processing apparatus 102 are connected respectively the second web member 105.The present embodiment has been described whole annexation and the principle how measured signal is converted to dry contact signal, in conjunction with the content of describing in the second embodiment, dry contact signal lead terminal 111 is connected after the second web member 105 with common port lead terminal 112, by the first web member 106, connect testing result output unit 104 again, complete dry contact signal and transfer to testing result output unit 104.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
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, for receiving the dry contact signal of the output terminal output of described signal processing apparatus;
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.
2. measurement jig according to claim 1, it is characterized in that, described dry contact joint connecting device comprises the first web member and the second web member, described the second web member connects the output terminal of described signal processing apparatus, on described the second web member, be provided with dry contact interface jack, on described the first web member, be provided with the plug wire matching with described dry contact interface jack, by described dry contact interface jack and described plug wire, mutually peg graft to realize described the first web member and described the second web member is pegged graft.
3. measurement jig according to claim 2, it is characterized in that, described the 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, in described dry contact signal jack and in described common port jack, be respectively arranged with dry contact signal lead terminal and common port lead terminal, described dry contact signal lead terminal connects the output terminal of described signal processing apparatus, described the first web member is the plug matching with described socket, in described plug, be provided with the plug wire terminal corresponding with described dry contact signal lead terminal, described plug wire terminal comprises dry contact signal plug wire terminal and common port plug wire terminal, described plug and described socket are pegged graft, 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.
4. measurement jig according to claim 3, it is characterized in that, described socket is many mouthfuls of sockets, described many mouthfuls of sockets comprise a plurality of 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.
5. measurement jig according to claim 4, 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.
6. measurement jig according to claim 3, it is characterized in that, described signal processing apparatus comprises signaling conversion circuit, gauge tap and short circuit contact 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 short circuit contact pin, and described short circuit contact 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 the first stationary contact connects the 3rd end of described short circuit contact pin, described the second stationary contact connects the first end of described short circuit contact pin, described dry contact signal lead terminal connects the second end of described short circuit contact pin, and the second end of described short circuit contact pin is connected with the first end of described short circuit contact pin or the 3rd end.
7. measurement jig according to claim 6, 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 provide described signaling conversion circuit required+VCC power supply, described gauge tap also comprises solenoid, the first end of described current-limiting resistance connects described measured signal, the 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, negative pole connection+VCC the power supply of described diode, the collector of described triode also connects the first end of the solenoid of described gauge tap, the second end connection+VCC power supply of described solenoid.
8. measurement jig according to claim 6; 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.
9. measurement jig according to claim 6, is characterized in that, described gauge tap adopts relay or contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574125.6U CN203455428U (en) | 2013-09-16 | 2013-09-16 | Test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320574125.6U CN203455428U (en) | 2013-09-16 | 2013-09-16 | Test jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455428U true CN203455428U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320574125.6U Expired - Lifetime CN203455428U (en) | 2013-09-16 | 2013-09-16 | Test jig |
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| Country | Link |
|---|---|
| CN (1) | CN203455428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472336A (en) * | 2013-09-16 | 2013-12-25 | 广东易事特电源股份有限公司 | Test fixture |
-
2013
- 2013-09-16 CN CN201320574125.6U patent/CN203455428U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472336A (en) * | 2013-09-16 | 2013-12-25 | 广东易事特电源股份有限公司 | Test fixture |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |