CN202119851U - Sensor type testing device - Google Patents
Sensor type testing device Download PDFInfo
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- CN202119851U CN202119851U CN2011201965600U CN201120196560U CN202119851U CN 202119851 U CN202119851 U CN 202119851U CN 2011201965600 U CN2011201965600 U CN 2011201965600U CN 201120196560 U CN201120196560 U CN 201120196560U CN 202119851 U CN202119851 U CN 202119851U
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Abstract
The utility model discloses a sensor type testing device. The testing device includes an anode/cathode power supply, luminescent circuits, relays, a single-pole double-throw switch, and a sensor interface. The two ends of the luminescent circuit are connected with the anode and the cathode of the power supply respectively. Two fixed contacts of the single-pole double-throw switch are connected with the anode and the cathode of the power supply respectively. A moving contact of the single-pole double-throw switch is connected with relay coils. The technical effects of the sensor type testing device are that the type of a sensor can be judged according to the condition of the luminescent circuit after a to-be-tested sensor is connected with the sensor interface of the sensor type testing device and then the single-pole double-throw switch is turned on; the sensor judgment time is shortened from the previous 25 to 40 minutes to 10 seconds, so the working procedure of the maintenance is greatly simplified, and the fault elimination speed is accelerated; in addition, the sensor type testing device is simple in structure, accurate in testing, and easy to use.
Description
Technical field
The utility model relates to a kind of sensor type proving installation.
Background technology
In automation control system, all used the sensor of electric pressure in a large number as 24V.These sensors mainly are used for the action situation of sensing external agency, the liter of external agency with fall, open and close, near with away from etc. convert electric signal into and be sent to disposal system, in the robotization control procedure, play an important role.Though the pattern of these sensors is varied, all rule are become two big types with regard to its load-carrying mode: NPN type and positive-negative-positive.
NPN type and positive-negative-positive sensor do not have difference in shape, only on the load-carrying mode of connection, difference are arranged, and the load of NPN type sensor is connected between its output line and the positive source, and the load of positive-negative-positive sensor is connected between its output line and the power cathode.If sensor needs to change, then need confirm the type of sensor of changing, promptly be NPN type or positive-negative-positive; Like model generation mistake, will cause machine normally not move.Can not judge type of sensor with traditional multimeter, common in the real work through judging in advance the mode of fixed load.The concrete operations mode is: earlier to sensor working power is provided, with fictitious load, like the pilot lamp of 24V etc., is connected on respectively between the negative pole of positive pole, output line and power supply of its output line and power supply, see that which kind of mode of connection can drive load.This discriminating conduct is the particular type of identification sensor effectively, but exist problems such as working power is inconvenient, the fictitious load wiring is loaded down with trivial details is provided, and process is quite time-consuming, the speed of influence maintenance.
The utility model content
To be difficult to distinguish fast sensor type in order solving when existing sensor is repaired replacing, to cause the low technical matters of maintenance efficiency, the utility model provides a kind of sensor type proving installation of the type of detecting sensor quickly and easily.
In order to realize above-mentioned technical purpose; The technical scheme of the utility model is; A kind of sensor type proving installation; Comprise both positive and negative polarity formula power supply, illuminating circuit, relay, single-pole double-throw switch (SPDT) and sensor interface, described illuminating circuit comprises relay normally open contact, current-limiting resistance and the light emitting diode that is connected in series, and the two ends of illuminating circuit are connected to the positive pole and the negative pole of power supply respectively; Two stationary contacts of described single-pole double-throw switch (SPDT) are connected to the positive pole and the negative pole of power supply respectively; The moving contact of single-pole double-throw switch (SPDT) is connected to relay coil, and described sensor interface comprises positive source contact, power cathode contact and sensor output line contact, and positive source is connected to the positive source contact of sensor interface; Power cathode is connected to the power cathode contact of sensor interface, and the sensor output line contact of said sensor interface connects relay coil.
Above-mentioned a kind of sensor type proving installation; The quantity of the sensor output line contact of described relay, illuminating circuit and sensor interface is two; Described two illuminating circuits are connected in parallel between the positive pole and negative pole of power supply; Described two relay coils are connected in parallel to the moving contact of single-pole double-throw switch (SPDT), and described two sensor output line contacts connect two relay coils respectively.
Above-mentioned a kind of sensor type proving installation; Described sensor interface comprises line ball formula sensor interface and two sensor interfaces of socket type sensor interface; The positive source contact of described line ball formula sensor interface and socket type sensor interface is connected to the positive pole of power supply respectively; The power cathode contact of described line ball formula sensor interface and socket type sensor interface is connected to the negative pole of power supply respectively, and the sensor output line contact of described line ball formula sensor interface and socket type sensor interface is connected to relay coil respectively.
The technique effect of the utility model is, only needs sensor to be measured is inserted in the sensor interface of the utility model, stirs single-pole double-throw switch (SPDT); Can come the type of discriminating sensor according to the situation of illuminating circuit, make the judgement time of sensor shorten to 10 seconds, simplify the working routine of maintenance greatly by former 25-40 minute; Accelerate fault and got rid of speed; And the utility model apparatus structure is simple, and is easy to use, and test accurately.
Below in conjunction with accompanying drawing the utility model is described further.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Embodiment
Referring to Fig. 1; Comprise both positive and negative polarity formula power supply, illuminating circuit, relay, single-pole double-throw switch (SPDT) and sensor interface; Illuminating circuit comprises relay normally open contact, current-limiting resistance and the light emitting diode that is connected in series, and the two ends of illuminating circuit are connected to the anodal C and the negative pole D of power supply respectively, and the stationary contact 7 of single-pole double-throw switch (SPDT) is connected to the anodal C of power supply; Stationary contact 6 is connected to the negative pole D of power supply; The moving contact 5 of single-pole double-throw switch (SPDT) is connected to relay coil, and sensor interface comprises positive source contact, power cathode contact and sensor output line contact, and positive source is connected to the positive source contact of sensor interface; Power cathode is connected to the power cathode contact of sensor interface, and the sensor output line contact of sensor interface connects relay coil.
The quantity of the sensor output line contact of relay, illuminating circuit and sensor interface is two; Two illuminating circuits are connected in parallel between the positive pole and negative pole of power supply; Two relay coils are connected in parallel to the moving contact of single-pole double-throw switch (SPDT), and described two sensor output line contacts connect two relay coils respectively.
Sensor interface comprises line ball formula sensor interface X2 and two sensor interfaces of socket type sensor interface X1; The positive source contact 1 ' of line ball formula sensor interface X2 and the positive source contact 1 of socket type sensor interface X1 are connected to the anodal C of power supply respectively; The power cathode contact 2 ' of line ball formula sensor interface X2 and the power cathode contact 2 of socket type sensor interface X1 are connected to the negative pole D of power supply respectively, and the sensor output line contact of line ball formula sensor interface and socket type sensor interface is connected to relay coil respectively.
During operation; Insert proving installation to sensor to be measured through socket type sensor interface X1 or line ball formula sensor interface X2,, then insert through line ball formula sensor interface X2 if sensor is the form of band connecting line; Wiring rules is the positive source line that positive source contact 1 ' connects sensor; Power cathode contact 2 ' connects the power-polar curve of sensor, and what contact 3 ' connected sensor often opens output line, and contact 4 ' connects the normally closed output line of sensor; If sensor is to have the sensor that connects socket; Then insert through socket type sensor interface X1, wiring rules is the positive source that positive source contact 1 connects sensor, and power cathode contact 2 connects the power cathode of sensor; What contact 3 connect sensor often opens the normally closed output that output, contact 4 connect sensor; Earlier dial one side to NPN with type conversion switch QS this moment, and promptly the moving contact 5 of single-pole double-throw switch (SPDT) QS is connected with stationary contact 7, and relay J 1 and J2 are connected between the output line of positive source C and sensor; Energized, if there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 is bright;
2. after triggering sensor, light emitting diode VD1 brightens and VD2 is put out by bright change by putting out; Then this sensor is the NPN type and two-way output is arranged, and one the tunnel for often opening output, and one the tunnel is normally closed output.
If there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 extinguishes;
2. after triggering sensor, light emitting diode VD1 by put out brighten and the VD2 state constant still for extinguishing; Then this sensor is the NPN type and one tunnel output is only arranged, for often opening output.
If there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 is bright;
2. after triggering sensor, light emitting diode VD1 state is constant still for extinguishing and VD2 is put out by bright change;
Then this sensor is the NPN type and one tunnel output is only arranged, and is normally closed output.
If no matter sensor triggers or not triggering; Two light emitting diodes all do not work; Then single-pole double-throw switch (SPDT) QS is dialled one side to PNP, promptly the moving contact 5 of single-pole double-throw switch (SPDT) QS is connected with stationary contact 6, and relay J 1 and J2 are connected between the output line of power-and sensor.
If there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 is bright;
2. after triggering sensor, light emitting diode VD1 brightens and VD2 is put out by bright change by putting out; Then this sensor is positive-negative-positive and two-way output is arranged, and one the tunnel for often opening output, and one the tunnel is normally closed output.
If there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 extinguishes;
2. after triggering sensor, light emitting diode VD1 by put out brighten and the VD2 state constant still for extinguishing; Then this sensor is positive-negative-positive and one tunnel output is only arranged, for often opening output.
If there are following two phenomenons to take place:
When 1. sensor did not trigger, light emitting diode VD1 extinguished, and VD2 is bright;
2. after triggering sensor, light emitting diode VD1 state is constant still for extinguishing and VD2 is put out by bright change;
Then this sensor is positive-negative-positive and one tunnel output is only arranged, and is normally closed output.
If no matter single-pole double-throw switch (SPDT) QS is dialled to PNP one side and still dial one side to NPN, and no matter sensor triggers or do not trigger, and the neither one state changes in two light emitting diodes, can judge that then this sensor damages.
Claims (3)
1. sensor type proving installation; It is characterized in that; Comprise both positive and negative polarity formula power supply, illuminating circuit, relay, single-pole double-throw switch (SPDT) and sensor interface, described illuminating circuit comprises relay normally open contact, current-limiting resistance and the light emitting diode that is connected in series, and the two ends of illuminating circuit are connected to the positive pole and the negative pole of power supply respectively; Two stationary contacts of described single-pole double-throw switch (SPDT) are connected to the positive pole and the negative pole of power supply respectively; The moving contact of single-pole double-throw switch (SPDT) is connected to relay coil, and described sensor interface comprises positive source contact, power cathode contact and sensor output line contact, and positive source is connected to the positive source contact of sensor interface; Power cathode is connected to the power cathode contact of sensor interface, and the sensor output line contact of said sensor interface connects relay coil.
2. a kind of sensor type proving installation according to claim 1; It is characterized in that; The quantity of the sensor output line contact of described relay, illuminating circuit and sensor interface is two; Described two illuminating circuits are connected in parallel between the positive pole and negative pole of power supply, and described two relay coils are connected in parallel to the moving contact of single-pole double-throw switch (SPDT), and described two sensor output line contacts connect two relay coils respectively.
3. a kind of sensor type proving installation according to claim 1 and 2; It is characterized in that; Described sensor interface comprises line ball formula sensor interface and two sensor interfaces of socket type sensor interface; The positive source contact of described line ball formula sensor interface and socket type sensor interface is connected to the positive pole of power supply respectively; The power cathode contact of described line ball formula sensor interface and socket type sensor interface is connected to the negative pole of power supply respectively, and the sensor output line contact of described line ball formula sensor interface and socket type sensor interface is connected to relay coil respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201965600U CN202119851U (en) | 2011-06-13 | 2011-06-13 | Sensor type testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201965600U CN202119851U (en) | 2011-06-13 | 2011-06-13 | Sensor type testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119851U true CN202119851U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201965600U Expired - Lifetime CN202119851U (en) | 2011-06-13 | 2011-06-13 | Sensor type testing device |
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| Country | Link |
|---|---|
| CN (1) | CN202119851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122889A (en) * | 2014-08-13 | 2014-10-29 | 卡尔迈耶（中国）有限公司 | Detection device for liquid-state damping tensioner control unit of warping machine |
| CN105425775A (en) * | 2015-12-04 | 2016-03-23 | 河南中烟工业有限责任公司许昌卷烟厂 | Sensor fault automatic judgment method and system |
-
2011
- 2011-06-13 CN CN2011201965600U patent/CN202119851U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122889A (en) * | 2014-08-13 | 2014-10-29 | 卡尔迈耶（中国）有限公司 | Detection device for liquid-state damping tensioner control unit of warping machine |
| CN104122889B (en) * | 2014-08-13 | 2015-04-22 | 卡尔迈耶（中国）有限公司 | Detection device for liquid-state damping tensioner control unit of warping machine |
| CN105425775A (en) * | 2015-12-04 | 2016-03-23 | 河南中烟工业有限责任公司许昌卷烟厂 | Sensor fault automatic judgment method and system |
| CN105425775B (en) * | 2015-12-04 | 2018-06-19 | 河南中烟工业有限责任公司许昌卷烟厂 | A kind of sensor fault automatic judging method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |