CN206497160U - A kind of circuit Quick tester - Google Patents

Abstract

A kind of circuit Quick tester, the field controller for having connected outside line（DDC）Or industrial controlling compiles logic controller（PLC）As a wiring platform, using DDC or PLC binding post and the elastic metallic electrode on the circuit Quick tester contacted, circuit Quick tester is allowed quickly to be connected to form complex with DDC or PLC；Simultaneously using circuits such as light emitting diode, voltage, ammeter, battery, analog signal generator, mechanical switch, the function of DDC or PLC outputs and input interface can be simulated；DDC or PLC external signals, circuit and the correctness at control point are directly detected by DDC or PLC output and input wires terminal.And external signal line need not be pulled down from DDC or PLC binding post during test, removed also without DDC or PLC in junction box, more it is not required to computer and test software, it is synchronous with detection that wiring is can be achieved with early stage construction link, reduction is done over again, improve operating efficiency, reduction debugging labour cost.

Description

A kind of circuit Quick tester

Technical field

The utility model is related to automatic control field, more particularly to a kind of to be used for controller outside line signal Quick tester, The controller includes compiling logic controller for the field controller (DDC) and industrial controlling of automatic building control system (PLC)。

Background technology

Many buildings all employ automatic building control system at present, and air-conditioning, ventilation, the illumination etc. of centralized Control building can be achieved System, its system is mainly made up of DDC, network line, upper master controller, computer and control software, and wherein DDC is responsible for collection The status switch signal of the analog input signals such as various temperature, the pressure of field apparatus and operation, failure etc., while DDC roots Valve, the relay even load at order-driven scene are sent according to the logic of system program.General automatic control producer is according to each DDC institutes Signal is gathered, and sends the number of control signal, the DDC provided with many clock specifications and models.One automatic building control system has some DDC, is distributed in each floor of building, the thousands of inputs of control building and output point position, its installing engineering has following several The individual stage：

1st, DDC casings are installed in place, sensor and installed and periph-eral equipment wiring；

2nd, the wiring of DDC input, output wiring terminal and external equipment；

3rd, some DDC downloading-runnings softwares are given respectively；

4th, DDC outside line is detected by notebook computer and control software；

5th, network joint debugging, upper master controller, computer are networked with all DDC.

In above-mentioned link, the stage 4 accounts for more than the 40% of whole engineering manhour, due to needing computer and debugging software, mesh The up till now work in stage must be completed by professional software commissioning engineer, together be rectified and improved while some workmans must also be equipped with, Duration is very long；It will be apparent that the wage of professional software commissioning engineer will be far above common laborer, and robot control system(RCS) is debugged Also influenceed by the construction speed of live other systems, cause the debugging labour cost in the stage to remain high always in decades.

Existing detection technique：

With notebook computer and control software connection DDC, detect it is thousands of each exported with DDC, input port connect Whether the outside line connect, including detection wiring loosen, misplace, the input signal such as each temperature, pressure, state point, and valve, Whether the output controls such as relay point signal is correct, and this is the major way of current wireline inspection, but must be adjusted by professional software Engineer is tried to complete, and detection device price is not low.

Universal meter, only two test pencils, can only the dynamic a small amount of input signal of Polling during multimetering, it is impossible to produce Analog output signal, belongs to versatility survey tool, typically just makees aid.

A kind of controller simulative debugging system that patent 201420344854.7 is announced, the system is used only to simulation and produced External signal needed for controller, is exported to controller, is easy to allow controller to do under conditions of no external signal environment imitative True operation, its purpose is intended merely to test, the correctness of debugging control device, is not used to test in controller outside line letter Number accuracy.

The PLC 26S Proteasome Structure and Functions of industrial controlling are similar to DDC, installed relative to DDC and compare concentration, but there is also needs The problem of with computer and debugging software detection outside line.

Utility model content

Technical problem to be solved in the utility model is：The above-mentioned deficiency of prior art is overcome, by using low cost A kind of circuit Quick tester, the function of DDC outputs and input interface can be simulated, and using having completed connecing for wiring DDC Whether line terminals are arranged, quickly to DDC outside line quick detection, i.e., loosen, misplace including detection wiring, each temperature, pressure Whether the input signals such as power, state point, and the output control point signal such as valve, relay are correct, it is not necessary to computer and any Software, it is not required that professional software commissioning staff, can be operated by construction worker, be accomplished together in the wiring construction stage of engineering early stage Step detection, reduction is done over again, and just improves operating efficiency, reduction debugging labour cost.Due to the PLC 26S Proteasome Structure and Functions of industrial controlling Similar to DDC, this tester is equally applicable to PLC line test.

The utility model solve technical problem use technical scheme be：A kind of circuit Quick tester, with being connected to outside Field controller DDC (or logic controller PLC can be compiled) binding post electrical connection of circuit, including the port speed being electrically connected to each other Connected components and signal detection simulated assembly.

Further, the fast connected components in the port include some elastic metallic electrodes, be connected with DDC when the fast connected components in port and After positioning, DDC each output, input wires terminal form elastic tight with the end of corresponding each elastic metallic electrode respectively Close contact condition.

The signal detection simulated assembly includes output, input channel, and the output signal produced by output channel passes through bullet Property metal electrode be sent on DDC output wiring terminal, then outside line is passed to, while connecting with DDC input wires terminal The outside line signal connect is sent to the input channel of signal detection simulated assembly by elastic metallic electrode-feedback.

The fast connected components in the port also include positioning plate, and the positioning plate refers to the contours profiles at the top of according to DDC, The structure that positioning plate is arranged to coordinate with the contours profiles at the top of DDC, the top profile projection of controller can be inserted Enter the sunk part in the bottom plate profile of the fast connected components in port, or the projection of the bottom plate profile of the fast connected components in port can be inserted into In the top profile sunk part of controller so that port speed connected components will not left-right looseness after being connected with DDC.Elastic metallic Electrode and locking attachment structure are mounted on positioning plate, realize each elastic metallic electrode on the fast connector assembly in port with DDC each exports being accurately positioned for input wires terminal.

Further, the fast connected components in the port also include locking attachment structure, and locking attachment structure includes coupling hook again Or connecting screw, the coupling hook or screw are arranged on positioning plate, are adapted to link up with fixed structure when DDC has, such as Installation guide groove is arranged at its bottom, then is connected with hook with guide groove；There is nut at the top of DDC, be then connected with screw with nut, from And be connected the fast connected components in port with DDC.

Further, the fast connected components in the port can also use a shell mechanism, and the shell mechanism is directly nested with DDC fixed Position connection, the elastic metallic electrode is installed on shell mechanism.I.e. the fast connector assembly in port and elastic metallic electrode are integrated in On one shell mechanism, the locking connected mode of the shell mechanism and DDC mainboards is connected with DDC shells with the locking of DDC mainboards Mode is the same, before test, first removes the original shells of DDC, then the shell mechanism is nested on DDC mainboard, it is ensured that each Elastic metallic electrode each exports being accurately positioned for input wires terminal with DDC and is connected.

Further, the input channel of the signal detection simulated assembly includes signal selecting switch and measure loop, described Signal selecting switch, for different types of line input signal to be imported into corresponding measure loop；The measure loop has：

Light emitting diode, for indicating switch input signal break-make, during switching signal break-make outside DDC, directly leads to Light emitting diode is crossed to light with extinguishing the state for allowing tester to know input signal rapidly；

Thermometer, for testing the input temp signal outside DDC, can directly read the temperature of external temperature sensor detection Number of degrees value；

Ohmer, for testing the input resistance signal outside DDC, can directly read the numerical value of non-essential resistance；

Voltmeter, for testing the input voltage signal outside DDC, can directly read the numerical value of external voltage；

Ammeter, for testing the input current signal outside DDC, can directly read the numerical value of foreign current.

In addition to the line input signal beyond above-mentioned signal type, corresponding signal detection loop can also be increased.

Thermometer, ohmmeter, voltmeter, ammeter can be integrated in a measuring instrumentss, by signal selecting switch, Different types of external input signal is imported into the corresponding measure loop of the above.

The output channel of the signal detection simulated assembly includes signal selecting switch and signal generator；The signal choosing Switch is selected, the different types of signal that signal generator is produced is imported into corresponding output loop；The signal generator is set Have：

Mechanical toggle switch or button, produce switch output signal for the outside line directly to DDC, can directly drive External relay or contactor even load；

Adjustable 0-10V voltage signal sources, adjustable analog electrical output is produced for the output wiring terminal to DDC Pressure, can be to drive signals such as dynamoelectric proportion valve door, YE, frequency converter frequencies；

Adjustable 4-20mA current signals source, adjustable analog current letter is produced for the output wiring terminal to DDC Number, can be to drive signals such as dynamoelectric proportion valve door, YE, frequency converter frequencies.

, can also be according to the loadtype driven outside DDC, in signal further for the load beyond above-mentioned signal type Detect that simulated assembly increases corresponding signal generator.

Adjustable 0-10V voltage signal sources and adjustable 4-20mA current signals source can be integrated in a signal generator On, by signal selecting switch, by above signal output to outside corresponding load.

Further, the elastic metallic electrode includes probe and needle guard, and needle guard is fixed on the fast connected components in port, and with letter Number detection simulated assembly connected by conducting wire；The input or output that each elastic metallic electrode pair should contact a DDC connect Line terminals.Probe is closely nested in needle guard, directly can be extracted out or be inserted with hand or other instruments, after probe deformations, damage It is easy to rapid replacing.Probe includes shank and syringe needle, and spring is provided between shank and syringe needle, makes syringe needle and terminals by spring Subconductivity surface forms certain pressure, it is ensured that contact is good；Syringe needle uses taper or sphere or pawl face, reduces syringe needle and terminals The contact resistance on subconductivity surface.

Further, the fast connected components in the port, signal detection simulated assembly can be integrated in one, and or with cable and soon Fast plug is interconnected, and is designed to Split type structure, and first the fast connected components in port are fixed on DDC, then by cable and quickly slotting Head is connected to signal detection simulated assembly.Output and input for the DDC of plurality of specifications, i.e. DDC are counted out difference, are set many The individual fast connected components in the port accordingly counted out, are linked into the signal detection simulated assembly of corresponding specification, also can be by DDC points in system The maximum standard of digit, sets the signal detection simulated assembly of a maximum capacity, makes the fast connected components in port of different size equal It can access.Because the fast connected components in a variety of port of configuration, relative to the online Quick tester of configuration plurality of specifications, cost is more Low, volume is smaller, more facilitates operation.

Further, the signal detection simulated assembly also carries rechargeable battery, switch and power-switching circuit, the electricity The input side of power-switching circuit is sequentially connected electrically switch and rechargeable battery, outlet side electrical connection signal detection simulated assembly.Wherein Power-switching circuit can produce during simulation test needed for direct current and AC power, including signal detection simulated assembly The working power of itself and the working power of DDC external relays and motor-driven valve.The fast connected components in the port and/or signal inspection Survey simulated assembly and be provided with LED illumination lamp, when ambient light is dark, set LED illumination conveniently to test.

Further, the port speed connects group and also can use a plug, and one end of plug is electrically connected with signal detection simulated assembly, The socket grafting of the other end and controller binding post.Its plug includes outlet side plug and input side plug, controller wiring The socket of terminal can be pulled down from controller, wherein the removable binding post of the conducting wire end of controller outside line and controller Socket uses screw connection.During test, the socket and port of the conducting wire end of outside line together with controller binding post Speed connects the plug connection of group.

Principle of the present utility model：

Wiring, is installed DDC in place and is put down as a wiring by circuit Quick tester described in the utility model Platform, some elastic metallic electrodes are set in circuit Quick tester, directly contact the conductive binding post surfaces of DDC, allow line Road Quick tester is quickly connected to form complex with DDC；Simultaneously by combine some light emitting diodes, thermometer, voltmeter, The circuits such as ammeter, analog signal generator, mechanical switch, simulate the function of DDC outputs and input interface；Pass through DDC's Output and input wires terminal directly test outside line correctness, and it is same with detection to can be achieved with wiring in the construction link of early stage Step, reduces installation and does over again, improve operating efficiency.Outside line and DDC binding post are kept when the utility model is tested Do not unclamp, make detection truer.

Whether the wireline inspection, i.e., loosen including the wiring outside detection DDC, misplace, each temperature, pressure, state Whether the input signals such as point, and the output control point signal such as valve, relay are correct.

Same as above, the utility model is equally useful for detecting PLC outside line.

Preferred scheme of the present utility model：

A kind of circuit Quick tester, is connected with DDC, its port speed connected components and signal detection simulated assembly design composition Body structure, is interconnected by cable and quick plug；Port speed connected components use a shell mechanism, substitute original DDC shells Mode be connected with DDC.

Port speed connected components include some elastic metallic electrodes, after the fast connected components in port are connected and positioned with DDC, DDC Each output, input wires terminal forms elastic tight with the end of corresponding each elastic metallic electrode respectively and contacts shape State；Signal detection simulated assembly includes output, input channel, and the output signal produced by output channel passes through elastic metallic electrode It is sent on DDC output wiring terminal, then passes to outside line, while the outer lines being connected with DDC input wires terminals Road signal is sent to the input channel of signal detection simulated assembly by elastic metallic electrode-feedback.Innovation of the present utility model exists In：

Realize quick detection, external signal line need not be pulled down from DDC during due to detection, be also not required to a DDC from Removed in electronic box, and can connect and separate rapidly with DDC, make detection easy to operate.

Technical requirements are low, during due to test DDC can not needed to run, thus do not need computer, any software and specialty soft Part commissioning staff, reduces the technical requirements of commissioning staff, and common construction worker can operate.

Test condition is wider, because circuit Quick tester is self-powered, can also be external even if building-site is not powered on The line signal in portion is detected, does not influence project progress entirely because of other systems.

Emergency function, in robot control system(RCS) operation, when some DDC catastrophic failure, and can not at once repair, can use for the moment The tester replaces DDC temporarily, gives outside line one manual command with signal detection simulated assembly, such as manual unlocking is certain The dynamoelectric proportion valve door of aperture, or the state for allowing frequency converter to be operated in a certain assigned frequency, are added equivalent to robot control system(RCS) A set of manual mode.

Brief description of the drawings

Structure and DDC and outside line connection diagram that Fig. 1 is the DDC of the utility model embodiment；

The circuit theory diagrams that Fig. 2 is connected for the DDC of the utility model embodiment with outside line；

Fig. 3 is the DDC and circuit Quick tester connection diagram of the utility model embodiment；

Fig. 4 is the circuit Quick tester structural representation of the utility model embodiment；

Fig. 5 is the signal detection simulated assembly structural representation of the utility model embodiment；

Fig. 6 is defeated for the signal detection simulated assembly detection switch of the utility model embodiment, temperature, resistance, voltage, electric current Enter signal circuit schematic diagram；

Fig. 7 is the signal detection simulated assembly analog switch of the utility model embodiment, 0-10V, 4-20mA output signal Detect circuit theory diagrams；

Fig. 8 is elastic metallic electrode, probe and the needle guard structural representation of the utility model embodiment；

Fig. 9 is the power supply and lighting circuit schematic diagram of the utility model embodiment；

Figure 10 is LED illumination structural representation in the circuit Quick tester of the utility model embodiment；

Figure 11 is shown for the fast connected components in port and signal detection simulated assembly of the utility model embodiment using Split type structure It is intended to；

Figure 12 is the circuit Quick tester and DDC connection diagrams of the Split type structure of the utility model embodiment；

Figure 13 connects schematic diagram for the fast fitting component in port of the utility model embodiment using shell mechanism；

Figure 14 uses split type shell mechanism connection signal for the circuit Quick tester of the utility model embodiment with DDC Figure；

Figure 15 is the structure of the use screw connection circuit Quick tester of the utility model embodiment；

Figure 16 is that the utility model embodiment circuit Quick tester uses screw connection schematic diagram with DDC；

Figure 17 uses removable binding post structural representation for the DDC of the utility model embodiment binding post；

Figure 18 connects schematic diagram for the fast fitting component in port of the utility model embodiment using plug construction；

Figure 19 uses connector mode connection diagram for the DDC of the utility model embodiment with circuit Quick tester.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Reference picture 1, illustrates DDC structure first：DDC9 connects including controller mainboard 90, output wiring terminal 91, input Line terminals 92, shell 93, installation guide groove 94, fixing nut 95, network communication interface 96, power supply terminal 97 etc., wherein The quantity of output wiring terminal 91 and the quantity of input wires terminal 92 and DDC output points bit quantity and input point bit quantity phase one Cause；The conducting wire end 900 of outside line is electrically connected by binding post with DDC.

The circuit of reference picture 2, DDC and external connection includes the input letter such as temperature signal, status switch signal, pressure signal Number, and dynamoelectric proportion valve door, frequency converter frequency are instructed, relay coil, the output point such as indicator lamp.

Embodiment 1

Reference picture 3, a kind of circuit Quick tester that the present embodiment is provided, the state being connected with DDC is as shown in the figure.

The fast connected components 1 in reference picture 4, circuit Quick tester, including the port being electrically connected to each other and signal detection simulation group Part 2, its middle port speed connected components 1 include some elastic metallic electrodes 10, the quantity of elastic metallic electrode 10 and position and DDC's Output wiring terminal 91 and input wires terminal 92 are corresponding.

Port speed connected components 1 also include positioning plate 12, according to the contours profiles at the top of DDC, are set on bottom plate 12 The structure that can coordinate with the contours profiles at the top of DDC.Positioning plate 12 is arranged on DDC top, DDC top profile during test Projection can be inserted into the sunk part of the profile of positioning plate 12, and the projection of the profile of positioning plate 12 may be inserted into control The top profile sunk part of device so that port speed connected components 1 and DDC is located by connecting, and realizes elastic metallic electrode 10 and DDC Each output wiring terminal 91 and input wires terminal 92 are accurately positioned.

Port speed connected components 1 also include the locking attachment structure 11 being arranged on positioning plate 12, lock attachment structure 11 Including coupling hook 111, coupling hook 111 is arranged on the both sides of the fast connected components 1 in port, and DDC bottoms are caught on by hook 111 Guide groove 94 is installed, the fast connected components 1 in port are connected with DDC, so as to allow DDC each conductive output wiring terminal 91, defeated Enter binding post 92 and form elastic tight contact condition with the end of corresponding each elastic metallic electrode 10 respectively, it is online quick Formed and electrically connected between tester and DDC.

The external signal that reference picture 5 and Fig. 6, DDC input wires terminal 92 are connected is fed back by elastic metallic electrode 10 to be passed It is sent to the input channel of signal detection simulated assembly 2.Wherein input channel includes signal selecting switch 20 and following measure loop： Light emitting diode 21, for indicating switch input signal break-make, during 210 break-make of switching signal outside DDC, directly passes through hair Optical diode is lighted with extinguishing the state for allowing tester to know input signal rapidly；Thermometer 22, for testing outside DDC Input temp signal, can directly read the Temperature numerical of the detection of external temperature sensor 220；Ohmer 23, for testing outside DDC The input resistance signal in portion, can directly read the numerical value of non-essential resistance 230；Voltmeter 24, for testing the input electricity outside DDC Signal is pressed, the numerical value of external voltage signal 240 can be directly read；Ammeter 25, for testing the input current letter outside DDC Number, it can directly read the numerical value of foreign current signal 250.

Said temperature meter, ohmmeter, voltmeter, ammeter can be integrated in a measuring instrumentss, pass through signal behavior Switch 20, the corresponding measure loop of the above is imported into by different types of external input signal.In addition to above-mentioned signal type with Outer line input signal, can also increase corresponding signal detection loop.

Reference picture 5 and Fig. 7, the output signal produced by output channel are sent to the defeated of DDC by elastic metallic electrode 10 Go out on binding post 91.Wherein output channel includes signal selecting switch 20 and signals below generator：Mechanical switch 26, is used for Switch output signal is produced directly to DDC outside line, external relay or contactor 260 can be directly driven；Adjustable 0- 10V voltage signal sources 27, adjustable analog output voltage is produced for of outlet terminal 91 to DDC, can be given electronic Proportion valve, YE 270 are with drive signal；Adjustable 4-20mA current source signals 28, for the output connection to DDC 91 sons are held to produce adjustable analog current signal, can be to electrically operated valve, YE 280 with drive signal.

By signal selecting switch 20, give outside different types of load above signal output, in addition adjustable 0-10V Voltage signal source 27 and adjustable 4-20mA current signals source 28 can be integrated on a signal generator, further for 0- The load of signal type beyond 10V or 4-20mA, there is provided other types letter for the loadtype that can be also driven according to DDC outsides Number generator.

Reference picture 8, elastic metallic electrode 10 includes probe 11 and needle guard 12, and needle guard is fixed on the fast connected components in port, and It is connected with signal detection simulated assembly by conducting wire；Probe 11 is closely nested in needle guard 12, can directly with hand or other Instrument is extracted out or inserted, and is easy to rapid replacing after probe 11 is deformed, damaged.Probe 11 includes shank 110, syringe needle 111 and bullet Spring 112, spring 112 is located between shank 110 and syringe needle 111, makes syringe needle 111 and binding post conductive surface by spring 112 Form certain pressure, it is ensured that contact is good；Syringe needle 111 uses taper or sphere or pawl face, reduces syringe needle 111 and is led with binding post The contact resistance in ammeter face.

Reference picture 9 and Figure 10, signal detection simulated assembly 2 is also with rechargeable battery 4, switch 5 and power-switching circuit 6, the input side of the power-switching circuit 6 is sequentially connected electrically switch 5 and rechargeable battery 4, outlet side electrical connection signal detection mould Intend component 2.Wherein power-switching circuit 6 can produce during simulation test needed for direct current and AC power, including letter Number detection simulated assembly 2 itself working power and DDC external relays and motor-driven valve working power.Port speed connected components 1 and/or signal detection simulated assembly 2 be provided with LED illumination lamp 7, when ambient light is dark, set LED illumination 7 conveniently to survey Examination.

Embodiment 2

Reference picture 11 and Figure 12, the difference of embodiment 1 is, a kind of circuit Quick tester that the present embodiment is provided, its Port speed connected components 1 and signal detection simulated assembly 2 use Split type structure, are interconnected using cable 3 and quick plug 31.First The fast connected components 1 in port are fixed on DDC, then signal detection simulated assembly 2 is connected to by cable 3 and quick slotting 31.

Output and input for the DDC of different size, i.e. DDC are counted out difference, set multiple ends accordingly counted out Mouthful fast connected components 1, are linked into corresponding signal detection simulated assembly 2, also can by the maximum standard of DDC points digit in system, if The signal detection simulated assembly 2 of a maximum capacity is put, allows the fast connected components 1 in port of different size can access.

This embodiment feature, can use the building DDC of plurality of specifications, using this embodiment in common engineering, it is not necessary to The online Quick tester of plurality of specifications is configured, the fast connected components 1 in corresponding specification port, plurality of specifications port speed connected components need to be only configured 1 can connect the signal detection simulated assembly 2 of same specification.Because the fast connected components in a variety of port of configuration, more relative to configuring The online Quick tester of specification is planted, cost is lower, and volume is smaller, more facilitate operation.

Embodiment 3

Reference picture 1, Figure 13, Figure 14, the difference with embodiment 1 are that port speed fitting component 1 is a shell mechanism, outside Shell structure is directly nested with DDC to be located by connecting, and elastic metallic electrode 10 is installed on shell mechanism.That is the fast connector assembly 1 in port It is integrated in elastic metallic electrode 10 on a shell mechanism, the shell mechanism has the connection consistent with DDC original shells 93 Structure, before test, first removes the original shells 93 of DDC, shell mechanism and DDC mainboard 90 is located by connecting, and ensures elastic gold Category electrode 10 is connected with being accurately positioned for input wires terminal 92 of each output wiring terminals of DDC 91.This embodiment feature, line Occupied little space when road Quick tester and DDC connection, it is adaptable to the DDC casings of install compact.

Embodiment 4

Reference picture 15 and Figure 16, the difference with embodiment 1 are that locking connected mode is different, and nut is provided with for top 95 DDC, directly using the connecting screw 8 for being arranged on the fast both sides of connected components 1 in port, is connected with nut 95 at the top of DDC, so that will Port speed connected components 1 are connected with DDC.This embodiment feature, occupies little space when circuit Quick tester and DDC connection, fits For the DDC casings of install compact, but require that DDC top tape has for fixed nut.

Embodiment 5

Reference picture 17, for the DDC of some structures, its binding post uses removable binding post, including plug and inserts Seat, DDC output wiring terminals 91 include plug 911 and socket 910, and DDC input wires terminal 92 includes plug 921 and socket 920.Wherein socket typically uses screw connection with outside line conducting wire end 900, and plug is fixed on DDC mainboards 90.

Reference picture 18 and Figure 19, the difference with embodiment 1 are that port speed connects group 1 using plug connection, one end of plug Electrically connected with signal detection simulated assembly 2, its plug includes outlet side plug 180 and input side plug 190.

After DDC wiring is finished, when doing measurement circuit, first by portion line conductor termination 900 together with accessory power outlet 910 1 Rise, separated with plug 911, then the grafting of output plug 180 with the fast connected components 1 in port；Or by portion's line conductor 900 together with input Socket 920 together, is separated with plug 921, then the grafting of input plug 190 with the fast connected components 1 in port；So as to which outside line be believed Number connecing group by DDC terminals and port speed is linked into signal detection simulated assembly.DDC equally can also be realized using this mode The detection of outside line.

Due to logic controller PLC theory structure can be compiled such as DDC, therefore the circuit no longer to testing PLC herein The embodiment of Quick tester is described.

Preferred embodiment of the present utility model is these are only, the utility model is not limited to, it is clear that the skill of this area Art personnel can carry out various changes, modification without departing from spirit and scope of the present utility model to the utility model.If right These modifications and variations of the present utility model belong within the scope of the utility model claim and its equivalent technologies, belong to Protection domain of the present utility model.

Claims (9)

1. a kind of circuit Quick tester, is electrically connected with being connected to the binding post of controller of outside line, it is characterized in that, including The fast connected components in port and signal detection simulated assembly being electrically connected to each other；The fast connected components in the port include some elastic metallics electricity Pole, after the fast connected components in port are connected and positioned with controller, each output of controller, input wires terminal respectively with it is corresponding Each elastic metallic electrode end formed elastic tight contact condition；The signal detection simulated assembly include output, it is defeated Enter passage, the output signal produced by output channel is sent on the output wiring terminal of controller by elastic metallic electrode, The outside line signal being connected simultaneously with controller input wires terminal is sent to signal detection by elastic metallic electrode-feedback The input channel of simulated assembly.

2. a kind of circuit Quick tester according to claim 1, it is characterized in that, the fast connected components in the port include being placed in The positioning plate on the top of controller, the positioning plate refers to the profile at the top of according to controller, by its structure setting into energy The style being engaged with profile at the top of controller so that port speed connected components can be positioned after being connected with controller；The elasticity gold Category electrode is installed on positioning plate.

3. a kind of circuit Quick tester according to claim 2, it is characterized in that, the fast connected components in the port also include lock Determine attachment structure, locking attachment structure includes coupling hook or connecting screw again, and the coupling hook or connecting screw are arranged on On positioning plate, it is linked up with or screw is fixed with controller, and the fast connected components in port are connected with controller.

4. a kind of circuit Quick tester according to claim 1, it is characterized in that, the fast connected components in the port can also be used One shell mechanism, the shell mechanism is directly nested with controller to be located by connecting, and the elastic metallic electrode is installed on shell knot On structure.

5. a kind of circuit Quick tester according to claim 1, it is characterized in that, the signal detection simulated assembly it is defeated Entering passage includes signal selecting switch and measure loop, the signal selecting switch, for different types of input signal to be led Enter to corresponding measure loop；The measure loop has：

Light emitting diode, for indicating switch input signal break-make；

Thermometer, for the input temp signal outside test controller；

Ohmer, for the input resistance signal outside test controller；

Voltmeter, for the input voltage signal outside test controller；

Ammeter, for the input current signal outside test controller；

The output channel of the signal detection simulated assembly includes signal selecting switch and signal generator；The signal behavior is opened Close, the different types of signal that signal generator is produced is imported into corresponding output loop；The signal generator is provided with：

Mechanical toggle switch or button, switch output signal is produced for the outside line directly to controller；

0-10V adjustable voltage signal sources, adjustable analog output voltage is produced for the output wiring terminal to controller；

4-20mA adjustable current signal sources, adjustable analog current signal is produced for the output wiring terminal to controller.

6. a kind of circuit Quick tester according to claim 1 or 2 or 3 or 4, it is characterized in that, the elastic metallic electricity Pole includes probe and needle guard, and needle guard is fixed on the fast connected components in port, and is electrically connected with signal detection simulated assembly；Probe is close It is nested in needle guard, can extracts out or insert；Probe includes shank and syringe needle, and spring is provided between shank and syringe needle.

7. a kind of circuit Quick tester according to claim any one of 1-5, it is characterized in that, the port speed connects group Part, signal detection simulated assembly can be integrated in one, and or interconnected with cable and quick plug, be designed to split knot Structure.

8. a kind of circuit Quick tester according to claim any one of 1-5, it is characterized in that, the signal detection simulation Component also carries rechargeable battery, switch and power-switching circuit, and the input side of the power-switching circuit is sequentially connected electrically out Close and rechargeable battery, outlet side electrical connection signal detection simulated assembly, the fast connected components in the port and/or signal detection simulation group Part is provided with LED illumination lamp.

9. a kind of circuit Quick tester according to claim 1 or 5, it is characterized in that, the port speed connects group and also can use One plug, one end of plug is electrically connected with signal detection simulated assembly, the socket grafting of the other end and controller binding post.