CN205825996U

CN205825996U - Sensor multifunctional tester

Info

Publication number: CN205825996U
Application number: CN201620674987.XU
Authority: CN
Inventors: 郑虚新
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-30
Filing date: 2016-06-30
Publication date: 2016-12-21
Anticipated expiration: 2026-06-30

Abstract

This utility model relates to a kind of sensor multifunctional tester, it includes a housing, there is an operation instruction district in the front of housing, the back side is Wiring area, inside is provided with test circuit, described operation instruction district includes function selecting and indication panel, test result display floater, debugging panel, by the operation switch test circuit to described function selecting Yu indication panel, to carry out the test of respective sensor.By wiring and operation, it is possible to achieve the test of various patterns, and test result can show on test result display floater, very clear, the most convenient.

Description

Sensor multifunctional tester

Technical field

This utility model relates to a kind of test equipment, particularly to a kind of sensor multifunctional tester.

Background technology

Existing sensor tester, function singleness, need different sensors to use different testers, this makes to use Family is when operation, the most inconvenient.

Utility model content

In order to overcome the deficiency of background technology, this utility model provides a kind of sensor multifunctional tester.

This utility model be the technical scheme is that a kind of sensor multifunctional tester, and it includes a housing, The front of housing has an operation instruction district, and the back side is Wiring area, and inside is provided with test circuit, and described operation instruction district includes Function selecting and indication panel, test result display floater, debugging panel, by the behaviour to described function selecting Yu indication panel Make switch test circuit, to carry out the test of respective sensor.

Described function selecting and indication panel include that NPN test, PNP test, N+P test, analogue measurement, direct current two wires are surveyed Examination, NAMUR test and alternating-current measurement, and key is set, the described key that arranges is for carrying out the selection between above-mentioned every test.

Described test result display floater shows the data that the sensor of multiple same type is tested simultaneously for simultaneously.

Described function selecting and indication panel include signal designation, are used for indicating power input, power output end, at least One signal output part.

Described test circuit includes: control module, including signal input, voltage input 0-60V, voltage input 12V, some Load；Some detection modules, each detection module connects with corresponding voltage input and corresponding load respectively, is used for examining Survey the sensor of difference in functionality；Modular converter, control signal input and the break-make of detection module, according to sensor signal, if to Dry detection module switches over, to be switched to the detection module of correspondence.

The beneficial effects of the utility model are: this utility model passes through wiring and operation, it is possible to achieve the survey of various patterns Try, and test result can show on test result display floater, very clear, the most convenient.

Accompanying drawing explanation

Fig. 1 is this utility model function selecting and indication panel, the schematic diagram of test result display floater.

Fig. 2 is the sensor testing system schematic diagram of band NPN module of the present invention.

Fig. 3 is the sensor testing system schematic diagram of band PNP module of the present invention.

Fig. 4 is the sensor testing system schematic diagram of band NPN+PNP detection module of the present invention.

Fig. 5 is the sensor testing system schematic diagram of band analog quantity of the present invention.

Fig. 6 is the circuit diagram of part relay of the present invention conducting.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model embodiment is described further:

As it can be seen, a kind of sensor multifunctional tester, it includes a housing, has a behaviour in the front of housing Making instruction district, the back side is Wiring area, and inside is provided with test circuit, described operation instruction district include function selecting and indication panel, Test result display floater, debugging panel, by the operation switch test circuit to described function selecting Yu indication panel, to enter The test of row respective sensor, by wiring and operation, it is possible to achieve the test of various patterns, and test result can show in survey On test result display floater, very clear, the most convenient.

Described function selecting and indication panel include that NPN test, PNP test, N+P test, analogue measurement, direct current two wires are surveyed Examination, NAMUR test and alternating-current measurement, and key is set, the described key that arranges, can for carrying out the selection between above-mentioned every test To realize the test of various modes, range is bigger.

Described test result display floater is for showing the data that the sensor of multiple same type is tested simultaneously simultaneously, multiple Sensor test can be saved the time.

Described test circuit includes: control module, including signal input, voltage input 0-60V, voltage input 12V, some Load；Some detection modules, each detection module connects with corresponding voltage input and corresponding load respectively, is used for examining Survey the sensor of difference in functionality；Modular converter, control signal input and the break-make of detection module, according to sensor signal, if to Dry detection module switches over, to be switched to the detection module of correspondence, it is possible to achieve the test of difference in functionality sensor and permissible Test multiple simultaneously, convenient and swift.

The detection module that function is identical realizes the superposition of no maximum in parallel, is used for detecting multiple function identical simultaneously Sensor, carries out modularity to the detection module of each function, as required, directly adds and subtracts, it is not necessary to change this system Central Plains Some circuits, convenient and swift.

This system includes relay J 1/J4/J9/J14, ammeter A1/A6, coil one end of described relay J 1 and relay Coil one end of device J4 is all connected in parallel on the outfan of modular converter, the equal ground connection of the coil other end of the two；Described ammeter A1's One end is connected with voltage input 0-60V positive pole through the normal open switch of relay J 9, and the other end is opened through the normally opened of relay J 9 successively Close, the normal open switch of relay J 1 is connected with signal input positive pole；One end of described ammeter A6 is opened through the normally opened of relay J 14 Close and be connected with voltage input 0-60V negative pole, the other end successively through the normal open switch of relay J 9, the normal open switch of relay J 4 and Signal input negative pole pole connects, and this is the fixing part connected, and no matter is several detection modules, and this part is just as.

The positive pole of voltmeter V1 connects the positive pole of voltage input 0-60V, and the negative pole of voltmeter V1 connects the negative of voltage input 0-60V Pole.

Described detection module includes that NPN detection module, PNP detection module, NPN+PNP detection module, analog quantity detect mould Block, direct current two wires detection module, NAMUR detection module, exchange detection module, count detection module, frequency detection module etc. are right Switching between module can be circuit control, it is also possible to controlled by machinery gear.

For the detection module of individual feature, when needing to survey multiple simultaneously, it is only necessary to and module is the most permissible.This sentences NPN As a example by module, 2 NPN sensors can be surveyed simultaneously.

First NPN detection module includes the first drive circuit, relay J 2/J5/J7/ J10/J11/J15, voltmeter V2, ammeter A2/A3, coil one end of described relay J 2 is connected in parallel on the outfan of modular converter, other end ground connection；Described continue Normal open switch one end of electrical equipment J2 is connected with signal input, and the other end is successively through normally closed switch, the relay J 10 of relay J 15 Normal open switch be connected with ammeter A2, the other end of ammeter A2 through the normal open switch of relay J 10, relay J 15 normal Make and break is closed and is connect load negative pole, the normal open switch of the two relay termination J15 of ammeter A3；The positive pole of voltmeter V2 is through relay The normal open switch of the normal open switch contact relay J2 of J15 and the node of the normally closed switch of relay J 15, negative pole is through relay J 15 Normal open switch connect voltage input 0-60V negative pole；Described voltage input 12V, described load are all connected with drive circuit.

Described first drive circuit includes the first insulating power supply, NPN audion Q1, PNP triode Q2, resistance R2, described Voltage input 12V is connected with insulating power supply, and the positive pole of described insulating power supply is connected with the emitter stage of PNP triode Q2, and negative pole divides It is not connected with the emitter stage of NPN audion Q1, is connected with the colelctor electrode of PNP triode Q2 through the coil of relay J 15, described The base stage of PNP triode Q2 is connected with the colelctor electrode of NPN audion Q1, and the base stage of described NPN audion Q1 is through resistance R2 and bears The positive pole carried connects, and resistance R2 is used as current limliting.

Being provided with resistance R1 and electric capacity C1, after the two parallel connection, one end is connected with the base stage of NPN audion Q1, the other end and isolation The negative pole of power supply connects, and does biasing resistor with resistance R1.

Second NPN detection module include the second drive circuit, relay J3/J6/J8/ J12/J13/J16, voltmeter V3, Ammeter A4/A5, coil one end of described relay J 3 is connected in parallel on the outfan of modular converter, other end ground connection；Described relay The input of normal open switch one end of device J3 and signal is connected, and the other end is successively through the normally closed switch of relay J 16, relay J 12 Normal open switch is connected with ammeter A4, the other end of ammeter A4 through the normal open switch of relay J 12, relay J 16 normally closed Switch connects load 2 negative poles；The normal open switch of the two relay termination J16 of ammeter A5；The positive pole of voltmeter V3 is through relay J 16 The node of normally closed switch of normal open switch and relay J 16 of normal open switch contact relay J3, negative pole is normal through relay J 16 Switch connects the negative pole of voltage input 0-60V；Described voltage input 12V, described load are all connected with drive circuit.

Described second drive circuit includes the second insulating power supply, NPN audion Q3, PNP triode Q4, resistance R5, described Voltage input 12V and the second insulating power supply connect, and the positive pole of described second insulating power supply connects with the emitter stage of PNP triode Q4 Connect, negative pole emitter stage with NPN audion Q3 respectively is connected, through relay J 16 coil and PNP triode Q4 colelctor electrode even Connecing, the base stage of described PNP triode Q4 is connected with the colelctor electrode of NPN audion Q3, and the base stage of described NPN audion Q3 is through resistance R5 is connected with the positive pole of load, and resistance R5 is used as current limliting.

Being provided with resistance R4 and electric capacity C2, after the two parallel connection, one end is connected with the base stage of NPN audion Q3, the other end and second The negative pole of insulating power supply connects.

The on-off control circuit of relay J 1-J14 is all connected in parallel on input voltage 12V two ends, if also module increases, then Corresponding relay on-off control circuit continues to be connected in parallel on input voltage 12V two ends, synchronization action, is switched on or off, conversion Module is through switching, and its outfan provides the signal surveying NPN sensor, the now conducting of relay J 1-J14；

1, load 1 and load 2 access, relay J 15/J16 does not turns on state, surveys load 1 leakage current A2, load 2 electric leakage Stream A4 and static total current A1；

2, load 1 and load 2 accesses, relay J 15/J16 conducting state, surveying the conduction voltage drop V2 of load 1, load 1 Load current A3, the conduction voltage drop V3 of load 2, the load current A5 of load 2, dynamic total current (electric current of switch own) A1, negative Carry+switch total current A6.

It is only preferred implementation of the present utility model above in association with the embodiment described by accompanying drawing, and not to this practicality The restriction of novel protection domain, any improvement done based on this utility model spirit all ought to protect model at this utility model Within enclosing.

Claims

1. a sensor multifunctional tester, it is characterised in that: it includes a housing, has a behaviour in the front of housing Making instruction district, the back side is Wiring area, and inside is provided with test circuit, described operation instruction district include function selecting and indication panel, Test result display floater, debugging panel, by the operation switch test circuit to described function selecting Yu indication panel, to enter The test of row respective sensor.

Sensor multifunctional tester the most according to claim 1, it is characterised in that: described function selecting and indication panel Including NPN test, PNP test, N+P test, analogue measurement, direct current measure with two cable, NAMUR test and alternating-current measurement, Yi Jishe Putting key, the described key that arranges is for carrying out the selection between above-mentioned every test.

Sensor multifunctional tester the most according to claim 1, it is characterised in that: described test result display floater is used The data that the sensor of multiple same type is tested simultaneously are shown in simultaneously.

Sensor multifunctional tester the most according to claim 1, it is characterised in that: described function selecting and indication panel Including signal designation, it is used for indicating power input, power output end, at least one signal output part.

Sensor multifunctional tester the most according to claim 1, it is characterised in that:

Described test circuit includes:

Control module, including signal input, voltage input 0-60V, voltage input 12V, some loads；

Some detection modules, each detection module connects with corresponding voltage input and corresponding load respectively, is used for examining Survey the sensor of difference in functionality；

Some detection modules, according to sensor signal, are cut by modular converter, control signal input and the break-make of detection module Change, to be switched to the detection module of correspondence.