CN109696625A

CN109696625A - Portable relay test-device and test method

Info

Publication number: CN109696625A
Application number: CN201910146746.6A
Authority: CN
Inventors: 张铁英; 纪德寿; 廖冠霖; 黄晓荣; 施聪
Original assignee: SHANGHAI RAIL TRANSIT MAINTENANCE SUPPORT Co Ltd
Current assignee: SHANGHAI RAIL TRANSIT MAINTENANCE SUPPORT Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-04-30

Abstract

The present invention relates to a kind of portable relay test-device and test method, test device is equipped with the switch K1 of combined-voltage conversion and voltage class conversion, the switch K2 of alternating current-direct current signal input conversion；Switch is selected to the type of the front ring of relay to be measured, rear circle, tandem-type connection switching；Pressure regulator connects power transformer；The multistage secondary coil of power transformer directly connects ac output end by switch K1, K2 all the way；Another way connects DC output end through switch K1, K2 by bridge rectifier plate.The present invention is additionally provided with testing time table, time switch, selection of time switch, the neat change-over switch for spending test and time test, relay and test resistance table for being attracted in direct current gear etc..The present invention carries out contact resistance, electrical characteristic, time response, connector uniform to a variety of safety relays and tests, and effectively improves testing efficiency, and save the cost.

Description

Portable relay test-device and test method

Technical field

The present invention relates to a kind of portable relay test-device and test methods, are suitable for domestic safety type relay Test.

Background technique

As first of guarantee of Urban Rail Transit Signal, operation security of the safety type relay to underground railway track traffic It plays the important and pivotal role.By proving safety-type relay in the service test of Shanghai Underground rail traffic live decades Device is safe and reliable, performance is stable, is able to satisfy the various requirement that signal circuit proposes relay, is China railways signal relay Main approved product.

Currently, the inspection and repair system of routine safety type relay is mainly responsible for by relay teams and groups, due to Shanghai Underground about The use of safety type relay, action frequency is more, and frequency of use is high.The line fault of some relays is unavoidable, safety-type The trouble hunting of relay, mainly by route operator on duty with spare unit relay replace suspected malfunctions relay after, be transported to after Electric appliance teams and groups put back into after the completion of teams and groups personnel determine failure and overhaul, a whole set of process is got off, and expend a large amount of Time and efforts.

For the trouble hunting for improving relay, safety type relay trouble hunting efficiency is improved, it is desirable that building one Portable safety type relay test device solves this blind area of on-site test safety type relay, opens technological gap, is One line operation maintenance provides completely new means of testing.

Summary of the invention

The present invention provides a kind of portable relay test-device and test method, improves current safety type relay failure The efficiency of maintenance.

In order to achieve the above object, a technical solution of the invention is to provide a kind of portable relay test-device； In the Main Control Tank of test device, it is provided with the switch K1 for combined-voltage conversion and voltage class conversion, is used for alternating current-direct current The switch K2 of signal input conversion, the type selection realized the front ring connection of relay to be measured, enclose connection, tandem-type connection switching afterwards Switch JK1；

The coil for having relay 1A, 2A, 3A being separately connected with the switching point of type selection switch JK1；1A pairs of relay When the contact answered is attracted, relay front ring resistance to be measured is accessed, voltage is added in test front ring；The corresponding contact of relay 3A is attracted When, resistance is enclosed after accessing relay to be measured, voltage is added in circle after test；When the corresponding contact of relay 2A is attracted, it is added to be measured Resistance when relay front and rear ring is connected tests addition voltage when two groups of coil series connection；

The input terminal of the output termination power transformer of pressure regulator T；The multistage secondary coil of power transformer, wherein all the way It is connected directly to the input side contact of multiple exchanges switching shelves of switch K1, the outlet side contact and switch of these exchange switching shelves The switching point of the exchange input side of K2 is connected, and the switching point of switch K2 exchange outlet side is connected with the ac output end of test device H1, H2 and alternating current ammeter A1, A.C. voltmeter V1；Another way passes through bridge rectifier plate respectively and is connected to the multiple straight of switch K1 The input side contact of stream switching shelves, these direct currents switch the switching point phase of the outlet side contact and the direct current input side of switch K2 of shelves Even, the switching point of switch K2 DC output side be connected with test device DC output end USC1, USC2 and DC ammeter A2, D.C. voltmeter V2.

Optionally, between the 13rd contact, the 15th contact and it is connected to the corresponding normally opened contact of relay 1A, 2A, Between 13rd contact, the 23rd contact be equipped with the corresponding normally opened contact of relay 3A, the 17th contact, the 19th contact it Between be equipped with the corresponding normally opened contact of relay 1A, between the 17th contact, the 27th contact and be connected to relay 3A, 2A difference Corresponding normally opened contact；The corresponding normally opened contact of relay 2A is equipped between 21st contact, the 25th contact；

The No.1 pin of the front ring of relay to be measured, No. two pins meet port x Q1, XQ2 respectively, enclose afterwards No. three pin, No. four pins meet port x Q3, XQ4 respectively；Port x Q1 is connect with the 15th contact, port x Q2 and the 21st contact, the tenth The connection of nine contacts；Port x Q3 is connect with the 25th contact, the 23rd contact, and port x Q4 is connect with the 27th contact.

Optionally, it is additionally provided with polar selecting switch K3；With having of being separately connected of the switching point of polar selecting switch K3 after The coil of electric appliance 5A, 6A；The corresponding contact of relay 5A, 6A is connected to the switching point and direct current of switch K2 DC output side Between output end USC1, USC2；Be attracted by relay 5A, 6A corresponding contact conversion, come change DC output end USC1 with Polarity of voltage between USC2.

Optionally, testing time table JS, time switch K3, selection of time switch JK2, neat degree test and time are additionally provided with The change-over switch K4 of test, and the relay 4A being attracted in direct current gear；

The circuit that first pair of normally opened contact access Switching Power Supply of relay 4A is powered to testing time table JS；Switch K2 is cut When changing to direct current input, relay 4A is attracted, and is closed first pair of normally opened contact of relay 4A, the testing time, table JS was obtained Electricity；

The contact IN of testing time table JS passes through a pair of of normally opened contact junction IN ' of corresponding relay 17J；Test The anode of timetable JS leads to contact J+, and one group of two-way contact of time switch K3 is equipped between contact IN ' and contact J+；After The coil of electric appliance 17J is simultaneously connected on indicator light corresponding with the one of back contact of relay to be measured；Contact J+ and testing time Reset switch is additionally provided between the reset terminal RST of table；

It is switched over by the selection of time switch JK2 in multiple delay time shelves；Another group of time switch K3 is cut Changing-over point is separately connected the corresponding socket for being inserted into relay to be measured in selection of time switch JK2 and test device, selected is prolonged When the time be input to relay to be measured.

Optionally, it is provided with test resistance table R, is connect with Switching Power Supply；The coil of relay DJ, normally closed stopping are opened Close, normally opened measuring resistance starts switch series connection, the corresponding several pairs of normal opened contacts of relay DJ, first pair of access Switching Power Supply and Between general supply, second pair starts switch and connects with the measuring resistance；

Multiple measuring resistance relays are provided with, is connected separately with and controls the control switch that its coil is attracted；Each survey electricity Resistance two pairs of normal opened contacts of relay, one end is separately connected the resistance measurement port F- and S- of test resistance table R, other end phase Even and it is connected to the resistance of a corresponding front contact or back contact at relay to be measured；

By the third of relay DJ to normal opened contact, a point multichannel connects the resistance measurement port S+ of the test resistance table R The corresponding indicator light of each front contact, back contact of relay is surveyed in reception；The resistance measurement port F+ of test resistance table R by after The 4th pair of normal opened contact of electric appliance DJ, divides the corresponding indicator light of each front contact, back contact of multi-wad join relay to be measured；After The corresponding normally closed contact of electric appliance DJ accesses the circuit for the power supply of each indicator light.

Another technical solution of the invention is to provide a kind of relay contact analog control system method, portable using above-mentioned any one Relay test-device；

When carrying out electrical characteristics test to relay to be measured, pressure regulator is started from scratch starting, selection need voltage to be tested Or electric current gear, AC power source or DC supply input, stop setting time after boosting to the value that magnetizes of relay to be measured, observes Whether indicator light corresponding with the front contact of relay to be measured is all lighted；Slowly it is depressurized to whole front contacts of relay to be measured It disconnects, the numerical value of recording voltmeter or ammeter is as release value；Pressure regulator is zeroed, it is whole slowly to boost to relay to be measured Front contact is closed and meets certain contact pressure, and the numerical value of recording voltmeter or ammeter is as working value；Adjust pressure regulator Boost or depressurization is carried out, positive pole changing value, reversed pole changing value are tested；Test is completed, and pressure regulator is zeroed.

Optionally, relay to be measured is inserted on corresponding socket, and type selection switch JK1 is switched to tandem-type connection；Switch K1 is switched to corresponding DC voltage shelves；Switch K2 is switched to direct current input shelves, the back contact closure of relay to be measured, after observation Whether the corresponding indicator light of contact is lighted；

Pressure regulator is adjusted, D.C. voltmeter V2 is observed, relay to be measured coil when working value is not more than specified value is No actuation, determines whether the front contact of relay to be measured is closed, and whether the corresponding indicator light of front contact is lighted；

When adjusting pressure regulator decompression, determine whether relay to be measured coil when release value is not less than specified value discharges； Alternatively, the relay to be measured that positive for front ring, rear circle is reversed, when reversed polarity is transferred to assigned voltage, determines relay to be measured Whether coil is not attracted.

Optionally, when carrying out neat degree test using above-mentioned portable relay test-device, relay to be measured is inserted in correspondence Socket on, by respectively corresponding the indicator light of relay front contact and back contact to be measured in test device, observe junction closure Situation:

Change-over switch K4 is dialled in neat degree test shelves, and switch K1 is switched to corresponding DC voltage shelves, and switch K2 is switched to directly Stream input shelves, type selection switch JK1 are switched to front ring connection, and relay 1A coil obtains electric actuation, observation corresponding to it is to be measured after Whether the indicator light of electric appliance back contact is lighted；

Adjust pressure regulator and simultaneously observe DC ammeter A2, the DC current of display when working value is not more than specified value, Determine whether the front ring of relay to be measured is attracted, whether the indicator light of the corresponding relay front contact to be measured of observation is lighted, and corresponding Whether the indicator light of back contact extinguishes；

It adjusts pressure regulator and is depressured and observes DC ammeter A2, the DC current of display is not less than specified value in release value When, determine whether relay to be measured can discharge.

Optionally, start from scratch starting to pressure regulator, by corresponding switching to time test desired position, for Surveying relay selects suitable delay time to carry out time response test；It is opened automatically by the portable relay test-device Dynamic time value；

Wherein, change-over switch K4 is transformed into time test shelves, and switch K2 is switched to direct current input, and relay 4A is attracted, and surveys Examination timetable JS obtains electric；Selection of time switch JK2 is switched to one of delay time shelves, and type selection switch JK1 is switched to After enclose connection, relay 3A is attracted, and switch K1 is transformed into corresponding DC voltage shelves, corresponding with the back contact of relay to be measured Indicator light is lighted, and is attempted by the relay 17J that one of back contact corresponds on indicator light and is attracted, corresponding with relay 17J Contact IN ˊ, IN connect；

Pressure regulator is adjusted, when the DC voltage that observation D.C. voltmeter V2 is shown reaches specified value, time switch K3 is closed It closes, testing time table JS is made to start timing；Selected delay time is reached, the rear circle of relay to be measured is attracted, and back contact is corresponding Contact disconnection make relay 17J releasing winding, contact IN ˊ, IN are disconnected, and stop timing；

Pressure regulator is screwed into 0, and time switch K3 is disconnected, number zero when reset switch is closed, on testing time table JS； By selection of time switch JK2 be adjusted to other delay time shelves distinguish retest process, verify timing error whether In permissible range.

Optionally, when carrying out contact selection using above-mentioned portable relay test-device, pressure regulator is started from scratch starting, Measuring resistance starts switch closure, and the whole front contacts for boosting to relay to be measured are closed and meet certain contact pressure, successively The control switch for triggering corresponding front contact carries out qualification judgement by the data on test resistance table R；After pressure regulator zero, The control switch for successively triggering corresponding back contact carries out qualification judgement by the data on test resistance table R；Pressure regulator is returned Zero, press shutdown switch；

When carrying out coil resistance test, it is ensured that in the case that pressure regulator is zeroed, type selection switch JS is switched to series connection Connection；Switch 1K is switched to corresponding DC voltage shelves；Switch K2 is switched to direct current input gear；Adjusting pressure regulator increases voltage Greatly, D.C. voltmeter V2 is observed, relay to be measured coil when working value is not more than specified value is attracted, and determines relay to be measured Whether front contact is closed, and whether corresponding indicator light is lighted；

When testing the contact resistance of relay to be measured, measuring resistance starts switch closure, and relay DJ is attracted and self-insurance, relay The normally closed contact of device DJ obtains electrically disconnected, and the corresponding indicator light of relay back contact to be measured extinguishes；The normal opened contact of relay DJ connects Logical, Switching Power Supply must electrically activate output, electrically activate test resistance table R must；

Operation-control switch is attracted the coil of wherein any one measuring resistance relay, the measuring resistance relay Normal opened contact closure, enables resistance measurement terminal S+ and F+ be connected on the front contact or the corresponding indicator light of back contact, resistance Measurement terminal F- and S- are connected across on the resistance of a front contact corresponding with the measuring resistance relay or back contact, pass through electricity Resistance test table reads resistance value；Shutdown switch closure, relay DJ release.

For the trouble hunting for improving relay, the invention proposes a kind of completely new portable relay test-device, In the case where guaranteeing relay trouble hunting, by building for portable relay test-device, carrying can be convenient for existing Field repairing, the extensive efficiency for improving safety type relay trouble hunting.

Compared with prior art, the beneficial effects of the present invention are:

1, small in size, light-weight, more portable；

The testboard that relay teams and groups use at present be it is fixed, volume is big, weighs close very heavy, and of the invention portable Formula relay test-device is 20 jin or so, easy to carry.

2, purchase cost has been saved；

By taking the domestic signal relay testboard of a 6A as an example, 100,000 yuans are needed；And it is of the invention it is portable after Electric test device only needs more than 3,000 yuans, saves about 9.7 ten thousand yuan of purchase cost, greatly reduces cost.

3, emergency repair time is shortened；

Originally suspected malfunctions relay from scene send to servicing center need about 60 minutes to half a day；Using portable After relay test-device, reaching scene is only needed about 30 to 60 minutes, substantially reduces emergency repair time.

Detailed description of the invention

Fig. 1 is the module frame chart of test device of the present invention；

Fig. 2 is the testing process schematic diagram of test device of the present invention；

Fig. 3 is the schematic diagram of Main Control Tank；

Fig. 4 is front ring, the wiring diagram that circle, tandem-type connection are converted afterwards；

Fig. 5 is the wiring diagram of switch K1；

Fig. 6 is tri- tunnel input and output route figure of bridge rectifier Ban；

Fig. 7, Fig. 8 are the operation principle schematic diagrams of JSBXC1-850；

Fig. 9 is the schematic diagram that JSBXC1-850 time response is tested in test device；

Figure 10 is the wiring diagram of indicator light when testing JSBXC1-850；

Figure 11 is the schematic diagram of bis- gear switch of K4；

Figure 12 is the wiring schematic diagram of JSBXC1-850；

Figure 13 is the schematic diagram of K2 toggle switch；

Figure 14 is the schematic diagram of 4A relay；

Figure 15 is the schematic diagram of Switching Power Supply wind-receiving fan；

Figure 16 is the wiring diagram of indicator light when testing JPXC-1000；

Figure 17, Figure 18 are the wiring schematic diagrams of 1000,480,1000,18 coils；

Figure 19 is the wiring schematic diagram of JZXC-480 coil；

Figure 20 is the wiring schematic diagram of JWXC-H310 coil；

Figure 21 is the wiring diagram of indicator light when testing JWJXC-100；

Figure 22 is the wiring schematic diagram of JZXC-H18；

Figure 23, Figure 24 are the wiring schematic diagrams of 1000,480,1000,18 coils；

Figure 25 is the wiring schematic diagram of the relay coils such as JWJXC-100；

Figure 26 is the indicator light wiring diagram of the relays such as JJJC3, JJJC, JJJC；

Figure 27, Figure 28 are the schematic diagrams of test contacts resistance；

Figure 29 is the schematic diagram of Switching Power Supply and gauge outfit.

Specific embodiment

As shown in Figure 1, the present invention provides a kind of portable relay test-device, eight seed types are provided on testing cassete Relay contact analog control system pedestal, can to JSBXC1-850 type programable time relay and JWXC-1000 series, JZXC- 480 series, JWXC-100 series, JZXC-H18 series, JJJC4 is serial, JJJC is serial, JJC series relay carries out respectively Test.

Test device of the invention, before booting, it is necessary to which testing cassete connect to (testing cassete is to insert tested relay with console Device, console operation detection is used), the power supply on power supply lead wire insertion wall on console closes master switch, starts to survey Examination.After having recorded test data, the pressure regulator of this test device is zeroed, disconnects master switch, is shut down after completing test.Test is quasi- It is standby, comprising: to check whether pressure regulator is zeroed, master switch is before using whether in the position of disconnection, the model and pedestal of relay Whether match that (50 core cables are a part of testing cassete, and for connecting console and testing cassete, former wire size is the volume on console Number, wire size is the number on testing cassete, and table 1 is the mutual corresponding line number of the two).

Table 1,50 core socket wire sizes

Serial number	Former wire size	Wire size	Serial number	Former wire size	Wire size	Serial number	Former wire size	Wire size	Serial number	Former wire size	Wire size	Serial number	Former wire size	Wire size
															1	12V	01	2	0V	02	3		03	4		04	5	Z12	05
6	Z13	06	7	Z22	07	8	Z23	08	9	Z32	09	10	Z33	10
															11	Z42	11	12	Z43	12	13	Z52	13	14	Z53	14	15	Z62	15
16	Z63	16	17	Z72	17	18	Z73	18	19	Z82	19	20	Z83	20
															21	XQ1	21	22	XQ2	22	23	XQ3	23	24	XQ4	24	25	(73)	25
26	(83)	26	27	13	27	28	17	28	29	b11	29	30	b12	30
															31	b51	31	32	b52	32	33	b53	33	34	b61	34	35	b62	35
36	b63	36	37	b73	37	38	b83	38	39	bX(1)	39	40	bx(4)	40
															41	H1	41	42	H2	42	43		43	44		44	45		45
46		46	47		47	48		48	49		49	50		50

As shown in Fig. 2, when the device of the invention is used to carry out coil resistance test, it is ensured that in the case that pressure regulator is zeroed, Adjustment type selection switch: selecting the front ring of measured relay/rear circle, press measuring resistance start button, to it is tested after The contact resistance of electric appliance is tested, and measuring resistance stop button is finally pressed, and terminates test.

Electrical characteristics test: pressure regulator is started from scratch starting, and selection needs voltage/current gear to be tested and AC/DC Power input stops 1s after boosting to the value that magnetizes of measured relay, corresponding with the front contact of the relay at this time all red Lamp should be lighted all.It is slowly depressurized to the relay whole front contact to disconnect, the numerical value in recording voltmeter (ammeter), this For release value.Pressure regulator is zeroed, the relay whole front contact is slowly boosted to and is closed and meets certain contact pressure, is remembered The numerical value in voltmeter (ammeter) is recorded, this is working value.Boost or depressurization to the parameters such as positive pole changing value, reversed pole changing value into Row test.Finally pressure regulator is zeroed.

Time response test: pressure regulator is started from scratch starting, and wave is disconnected to close and is beaten to time test position, is wanted according to tieing up to advise The selection suitable time is asked to carry out time response test.Testboard will start time value automatically.Pressure regulator is zeroed, reset is pressed Button.

Contact selection: pressure regulator is started from scratch starting, measuring resistance start button is pressed, before boosting to measured relay whole Junction closure simultaneously meets certain contact pressure, the button of corresponding front contact " 1Q~8Q " is successively triggered, by ohmmeter Data carry out qualification judgement.After pressure regulator zero, the button of corresponding back contact " 1H~8H " is successively triggered, by ohmmeter Data carry out qualification judgement.Pressure regulator is zeroed, measuring resistance stop button is pressed.

Connector uniform test: measured relay is inserted on corresponding relay socket, by the indicator light on testing cassete Junction closure situation is observed, neat degree test is carried out.Pressure regulator is zeroed.

It is as shown in figure 29 switch, the gauge outfit power supply of test device, KD1, KD2, KD3 are Switching Power Supply, input and are AC220V, output is DC5V, DC24V, DC12V respectively.R is test resistance table；A1, V1 are alternating current ammeter, A.C. voltmeter； A2, V2 are DC ammeter, D.C. voltmeter, and operating voltage is all AC220.JS is testing time table, the input of alternating current-direct current signal Change-over switch K2 is beaten in direct current input, and 4A relay is attracted, normal opened contact closure, and KD1 output 5V provides for testing time table Working power.

The Main Control Tank of test device is come by the combination of one group of Omron MY4N-J (AC220V) relay 1A, 2A, 3A The conversion for controlling front ring voltage, enclosing the connections such as voltage, series coil voltage afterwards.As shown in figure 3, selecting switch JK1 by type Realize the switching (wiring diagram of cooperation referring to fig. 4) of the front ring, rear circle, tandem-type connection of relay to be measured；Relay 1A is corresponding When contact is attracted, front ring resistance is accessed, voltage is added in test front ring；When the corresponding contact of relay 3A is attracted, electricity is enclosed after access Resistance, voltage is added in circle after test；When the corresponding contact of relay 2A is attracted, resistance when the two groups of coil series connection in front and back is added, surveys Try addition voltage when two groups of coil series connection.Relay 5A, 6A corresponding contact conversion are attracted, can change direct current output USC1 with The polarity of USC2 both end voltage, when will be specifically tested according to control relay coil depending on required polarity.ZK is master switch, HD For general supply lamp, switch K1 is used as combined-voltage conversion and voltage class conversion (cooperating the wiring diagram referring to Fig. 5).K3 is Polar selecting switch.The output of pressure regulator T connects the input of transformer, and the electricity of transformer output end can be changed by adjusting pressure regulator T Press size.The multistage secondary coil of power transformer meets fuse RD1, RD2, RD3 respectively and is used as short circuit or overload protection.Bridge-type Rectification exports 3 road direct currents (cooperating the line map referring to Fig. 6) for testing DC relay coil, the rectification of bridge rectifier plate, It is DC10V, DC30V, DC220V respectively.V1, A1 are A.C. voltmeter, the alternating current ammeter for testing alternating current, and H1 and H2 are to hand over Flow output end.V2, A2 are D.C. voltmeter, the DC ammeter for testing direct current, and USC1 and USC2 are DC output end.

As shown in figure 4, between contact 13,15 and being connected to the corresponding normally opened contact of relay 1A, 2A, contact 13,23 Between be equipped with the corresponding normally opened contact of relay 3A, the corresponding normally opened contact of relay 1A, contact are equipped between contact 17,19 17, between 27 and it is connected to the corresponding normally opened contact of relay 3A, 2A；Front ring access interface XQ1, XQ2 of relay to be measured, Access interface XQ3, XQ4 are enclosed afterwards；XQ1 is connect with contact 15, and XQ2 is connect with contact 21,19, and XQ3 is connect with contact 25,23, XQ4 It is connect with contact 27, the corresponding normally opened contact of relay 2A is equipped between contact 21,25.Front ring resistance, 3A are tested when 1A is attracted Resistance is enclosed after testing when actuation, 2A tests series resistance when being attracted.

850 type programable time relay of JSBXC1 ﹣, internal control circuit as shown in fig. 7, comprising input circuit 1., Control circuit 2., dynamical output circuit 3., power circuit 4..Wherein, the input circuit connects contact 52,61,63,83 outer Portion's circuit is connected through TLP521-4 photoelectric coupling module from the different input terminals of single-chip microcontroller in control circuit, is set separately different Delay time, connection method is the same as the 850 type time relay of JSBXC ﹣.Optocoupler plays buffer action, by external relay circuit and Single chip machine controlling circuit is kept apart.When the LED side of optocoupler has input to be connected, phototriode is turned on；Otherwise Cut-off.

The control circuit be equipped with single-chip microcontroller IC1 (PIC16C54C), quartz crystal oscillator JZ and capacitor C6, capacitor C7, Resistance R5, LED etc..JZ and C6, C7 provide running clock source for IC1, connect 15 feet and 16 feet in IC1, generate the clock of 4MHz Signal；R5 and LED constitutes working indicating, and Light-emitting diode LED is glittering primary each second during the delay process；When IC1's It when one of input terminal RB0, RB1, RB2, RB3 (6~9 foot) have input, is set by software programming, is prolonged by different When the time after from RA3 (2 foot) output pulse sequence, be sent to dynamical output circuit.

The dynamical output circuit includes resistance R6, optocoupler IC3, resistance R3, metal-oxide-semiconductor T2, resistance R4, capacitor C8, two poles The composition such as pipe D3, diode D4, diode D5, capacitor C9, coil J, resistance R1, diode D2.The output of single-chip microcontroller RA3 is led to It crosses optocoupler IC3 and is connected to metal-oxide-semiconductor T2 (IRF840 type) grid.Under the action of train pulse, the T2 on and off (grid of T2 repeatedly Pole input is low level, T2 conducting；Conversely, then ending), when T2 cut-off, direct current 24V power supply charges to C8 by R4, D3；When When T2 is connected, C8 discharges to C9 by the drain-to-source and D4 of T2, while charging positive under upper bear is carried out to C9.When C9 is powered on When pressure is charged to relay working value, relay energized is made by front ring J3 ﹣ 4 (370 Ω).After relay energized, 11 ﹣ of front contact 12 closures enclose J1 ﹣ 2 (480 Ω) by R1 excitation after making, then relay is reliably picked up.

As shown in figure 8, the power circuit is 4., it include diode D1, capacitor C1, resistance R2, capacitor C2, three terminal regulator T1, capacitor C3, capacitor C4.From contact 73 (+) and 62 (-) input direct current 24V power supply through D1 carry out polarity discrimination after, by C1, R2, C2 composition filter circuit filter out alternating component, then export 5V power supply by three terminal regulator T1 (78L05 type) pressure stabilizing, through C3, C4 It filters again, provides stable DC supply for single-chip microcontroller etc..

In view of the principle and function of JSBXC1-850, the present invention by degree of registration, different time set test all enumerate into It goes.Cooperation referring to shown in Fig. 9~Figure 14, be for test JSBXC1-850 time response part, include testing time table, timing Switch K3, selection of time switch JK2, alternating current-direct current signal input change-over switch K2, neat degree is tested and the change-over switch of time test K4.The Switching Power Supply of 220V/DC 5V passes through a pair of of normally opened contact (+5V, J+) connecting test timetable of relay 4A, Figure 15 It is the schematic diagram of Switching Power Supply connection fan.

Wherein, as shown in figure 11, the neat degree test shelves of K4 include to port bX (1) and XQ1, bX (4) and XQ4, contact b11 The linked switch connected corresponding to contact 41；BX (1), bX (4) be directly connected to the 1 of JSBXC1-850 coil, 4# foot (cooperation referring to It is tandem-type connection that Figure 12, front ring 2# and rear circle 3# foot, which are shorted).The delay time test shelves of K4 include to port USC1 and contact 62, the USC2 linked switch connected corresponding with b53 with b51, contact b12 to contact 73, contact b11；Between contact 62 and b62 also Equipped with corresponding a pair of of the normally opened contact of relay 4A, it is normally opened that the corresponding another pair of relay 4A is additionally provided between contact 73 and b73 Contact.

Figure 10 shows the wiring diagram that the indicator light of JSBXC1-850 type relay is corresponded in test device.Contact 21 passes through it Normally opened contact between contact 22 connects the 2Q lamp of corresponding front contact；21 junction 31 of contact, all the way through between contact 31,32 Normally opened contact connect the 3Q lamp of corresponding front contact, another way connects the 3H lamp of corresponding back contact through the normally-closed contact between contact 31,33； 21 junction 41 of contact, connects the 4Q lamp of corresponding front contact, another way is through contact through the normally opened contact between contact 41,42 all the way 41, the normally-closed contact between 43 with and the 4H lamp of corresponding back contact and the coil of relay 17J that connect connect；Contact 41 is also through switching K4 junction b11 connects the 1Q lamp of corresponding front contact by the normally opened contact between contact b11, b12.

As shown in figure 13, toggle switch can be used at switch K2, by ac output end H1 and contact 13, ac output end H2 is correspondingly connected with contact 17, or be switched to by DC output end USC1 and contact 13, DC output end USC2 and contact 17, Port B3 is correspondingly connected with contact 1.Between the coil access interface B3 and N-terminal of relay 4A (Figure 14).

Qi Du test: being inserted in JSBXC1-850 relay on corresponding pedestal, and K4 is dialled in neat degree test shelves, K1 (Fig. 5) It pulls out at DC10V grades, K2 is pulled out to be inputted in direct current, and JK1 (Fig. 3) is dialled in front ring position, and 1A coil (Fig. 4) obtains electric actuation at this time, corresponding It is bright in 3H, 4H lamp of measured relay back contact.Pressure regulator is adjusted until the DC current that Table A 2 is shown is not more than in working value When 14mA, relay is attracted, (by way of: AC10V, bridge rectifier, DC10V, K1, relay 5A are attracted, USC1 and USC2 direct current is defeated Out, K2, the output of contact 13 and 17, relay 1A contact closure, preceding coil both ends obtain electric actuation) make corresponding front contact 1Q, 2Q, 3Q, 4Q lamp are lighted, and 3H, 4H lamp of corresponding back contact extinguish.Pressure regulator toward small timing, be transferred to A2 DC current release value not Relay discharges when less than 4mA.

Time test: K4 is transformed into time test shelves, due to 4A relay coil be attracted in direct current gear, so USC1 and b62 is connected, and USC2 and b73 are connected, and contact b11 and b51 are connected, and contact b12 and b53 are connected；It is set if doing 30 seconds Periodically, JK2 switch, which is pulled out, dials in 30s, JK1 in Hou Quan, and 3A relay is attracted, and K1 change-over switch is dialled at DC10V grades, at this time back contact Corresponding 3H, 4H lamp is bright, and the 17J relay being attempted by 4H lamp is attracted, and the corresponding IN ˊ of 17J and IN contact (Fig. 9) are adjusted Section pressure regulator makes D.C. voltmeter V2 be transferred to 24V (corresponding the both ends of contact 73 and 62), close JK2 time switch (contact J+ and IN ' connection, contact b51 and 51 ' are connected), testing time table starts timing, while LED flash on relay, arrives 30 seconds, relay tip b11 and b12 were closed, and rear coil is attracted, and the corresponding contact 41,43 of back contact disconnects, 17J releasing winding, IN ˊ and IN contact disconnect, and stop timing, flashing.Pressure regulator is screwed into 0, and time switch disconnects, and presses reset switch, when test Between number zero on table.It stirs JK2 button arrow alignment: being repeated the above process respectively when 3s, 13s, 180s, verify the mistake of timing Whether difference is in permissible range.

As shown in figure 16, it is suitable for JWXC-1000, JWXC-1700, JWXC-H340, JPXC-1000, JWXC-500/ H300, JWXC-H600, JWXC-H310 etc..Contact 11,21,31,41,51,61,71,81 meets 12V respectively；Between contact 11,12 Normally opened contact connects 1Q lamp, and the normally-closed contact between contact 11,13 connects 1H lamp；Normally opened contact between contact 21,22 connects 2Q lamp, contact 21, the normally-closed contact between 23 connects 2H lamp；Normally opened contact between contact 31,32 connects 3Q lamp, and the normally-closed contact between contact 31,33 meets 3H Lamp；Normally opened contact between contact 41,42 connects 4Q lamp, and the normally-closed contact between contact 41,43 connects 4H lamp；It is normally opened between contact 51,52 Contact connects 5Q lamp, and the normally-closed contact between contact 51,53 connects 5H lamp；Normally opened contact between contact 61,62 connects 6Q lamp, contact 61,63 Between normally-closed contact connect 6H lamp；Normally opened contact between contact 71,72 connects 7Q lamp, and the normally-closed contact between contact 71,73 connects 7H lamp；It connects Normally opened contact between point 81,82 connects 8Q lamp, and the normally-closed contact between contact 81,83 connects 8H lamp.

The indicator light on testing cassete is shared for convenience, the two-part indicator light wiring in left and right corresponds to two classes in Figure 16 The pedestal (such as JWXC-1000 series and JZXC-480 series) of relay, number is identical among left-half and right half part Contact 12,22,32,33,42,43,52,53,62,63 accordingly connects inside testing cassete.

When testing JWXC-1000, measured relay is inserted on corresponding pedestal, corresponding 4 feet of corresponding 1, the ZXQ4 of XQ1, When 2 feet and 3 feet are shorted, 1 foot and 4 feet (XQ1 and ZXQ4) belong to series connection.Close ZK battery main switch；JK1 switch, which is dialled, is connecting Position on；K1 AC-DC conversion switch is dialled in DC30V gear；K2 AC and DC input switch, which is dialled, inputs gear in direct current, at this time Relay back contact is in the position of closure, so corresponding 1H~8H lamp is lighted.It adjusts pressure regulator and observes D.C. voltmeter V2 tune To relay coil, when working value is not more than 14.4V, relay is attracted, and front contact closure, corresponding 1Q~8Q lamp is lighted.It adjusts Toward small timing relay coil, the relay when release value is not less than 4.3V is released to standard to depressor.Note: test JPXC-1000 When relay, when reversed polarity is transferred to 200V, coil is not attracted as qualification, and front ring is positive, and rear circle is reversed.

As shown in figure 19, JZXC-480 coil 1,4 foot external connections are hanging, and 2,3 feet are shorted when series connection, and relay is attracted.Figure 17, Tu18Zhong indicates each relay model with symbol 1000,480,100,18, and front ring and rear circle are respectively referred to before and after each frame.? When testing JZXC-480, measured relay is inserted on corresponding pedestal, ZK battery main switch is closed；JK1 switch, which is dialled, is connecting Position on；K1 AC-DC conversion switch is dialled in AC10V gear；K2 alternating current-direct current input switch, which is dialled, inputs gear in exchange, at this time Relay back contact is in the position of closure, so corresponding 3H~6H lamp is lighted.Pressure regulator observes alternating voltage toward when big adjusting To relay coil, the relay when working value is not more than 9.2V is attracted Table V 1, and front contact is closed corresponding 1Q~6Q lamp and lights； Toward small timing relay coil, the relay when release value is not less than 4.6V is released to standard to pressure regulator.

As shown in figure 20, JWXC-H310 is 2,3 foot unicoils, and change-over switch is beaten in parallel connection method when test, the model Relay No. 1-4 short circuit of extraneous test, No. 2-3 connects DC output voltage.

As shown in figure 21, the two-part indicator light wiring in left and right corresponds to pedestal (such as JWJXC-100 system of two class relays Column and JZXC-H18 series), in order to share the indicator light on testing cassete, the part contact of different pedestals is corresponding inside testing cassete Connection (the identical contact of number corresponds to the same wire size on testing cassete among left-half and right half part), to right half part Contact number prime so as to statement when distinguish.

The contact 31/33,41/43,32,73,42,83 of left-half meets 12V respectively；The contact 11 ' of right half part, 21 ', 31 ', 41 ' meet 12V respectively.Normally opened contact between left half contact 31/33,53 connects 1Q lamp, the normally closed touching between contact 31/33,12 Point connects 1H lamp；Normally opened contact between right half contact 11 ', 12 ' connects 1Q lamp, and the normally-closed contact between contact 11 ', 13 ' connects 1H lamp；It is left Half contact 53 is connect with right half contact 12 ', and left half contact 12 is connect with right half contact 13 '.Left half contact 41/ 43, the normally opened contact between 63 connects 2Q lamp, and the normally-closed contact between contact 41/43,22 connects 2H lamp；Between right half contact 21 ', 22 ' Normally opened contact connects 2Q lamp, and the normally-closed contact between contact 21 ', 23 ' connects 2H lamp；Left half contact 63 is connect with right half contact 22 ', Left half contact 22 is connect with right half contact 23 '.It is normal between normally opened contact and contact 73,71 between left half contact 32,51 It opens contact and connects 3Q lamp respectively, the normally-closed contact between contact 73,52 connects 3H lamp, and the corresponding normally opened contact of contact 72 is connected to 1000 types The contact 52 of relay base；Normally opened contact between right half contact 31 ', 32 ' connects 3Q lamp, the normally closed touching between contact 31 ', 33 ' Point connects 3H lamp；Left half contact 51,71 is connect with right half contact 32 ', and left half contact 52 is connect with right half contact 33 '. The normally opened contact between normally opened contact and contact 83,81 between left half contact 42,61 connects 4Q lamp respectively, normal between contact 83,62 Closed contact connects 4H lamp, and the corresponding normally opened contact of contact 82 is connected to the contact 62 of 1000 type relay bases；Right half contact Normally opened contact between 41 ', 42 ' connects 4Q lamp, and the normally-closed contact between contact 41 ', 43 ' connects 4H lamp；Left half contact 61,81 and right half Contact 42 ' connect, left half contact 62 is connect with right contact 43 ' partly.

When testing JWXC-100, measured relay is inserted on corresponding pedestal, closes ZK battery main switch；JK1 is opened It closes and dials on concatenated position；1K AC-DC conversion switch is dialled in DC10V gear；K2 AC and DC input switch is dialled defeated in direct current Enter gear, relay back contact is in the position of closure at this time, so corresponding 1H~4H lamp is lighted.Adjust pressure regulator up same When observe D.C. voltmeter V2, be transferred to relay coil relay when working value is no more than 10.0V and be attracted, front contact closed pair 1Q~4Q the lamp answered is lighted；Toward small timing relay coil, the relay when release value is not less than 3.5V is released to mark pressure regulator It is quasi-.

As shown in figure 22, JZXC-H18 coil 1,4 foot external connections are hanging, and 2,3 feet are shorted when series connection, and relay is attracted.? When testing JZXC-H18, measured relay is inserted on corresponding pedestal, ZK battery main switch is closed；JK1 switch, which is dialled, is connecting Position on；1K AC-DC conversion switch is dialled in AC10V gear；K2 AC and DC input switch, which is dialled, inputs gear in exchange, at this time Relay back contact is in the position of closure, so 1H~4H lamp is lighted.It adjusts pressure regulator observation alternating current ammeter A1 and is transferred to relay Device coil relay when working value is not more than 100mA is attracted, and front contact is closed corresponding 1Q~4Q lamp and lights；Pressure regulator is toward small Timing relay coil relay when release value is not less than 40mA is released to standard.

As shown in figure 25, be suitable for JWJXC-100, JWJXC-480, JWJXC-7200, JWJXC-H125/0.44, JWJXC-H125/80, JYJXC-135/220- have pole, JYJXC-125/80, JZJXC-7200, JYJXC-160/260- to have pole Deng, these relays can be with a general pedestal, contact 13, and 23 is positive for front ring polarity, 1,2 be after enclose the pole reversal.Figure 23, 1000,480,100,18 in frame shown in Figure 24 indicate that the relay of each series, the contact before and after each box indicate this style number Coil connection (front ring, rear circle, series connection).

As shown in figure 26, the indicator light wiring of left, center, right three parts corresponds to pedestal (such as JJJC4 system of three classes relay Column, JJJC series, JJC series), in order to share the indicator light on testing cassete, part contact accordingly connects inside testing cassete；Three The identical contact of number corresponds to the contact of same wire size on testing cassete (Figure 26 and Figure 16, Figure 21 etc. is digital among part Identical contact is also the contact of same wire size)；In the contact numerically prime of right half part, the contact of middle section is numerically Add two slashes, to distinguish in statement.

Normally opened contact between the contact 71,72 of left-half connects 5Q lamp, and the normally-closed contact between contact 71,73 connects 5H lamp；In Between part contact 53 ", 52 " between normally opened contact connect 5Q lamp；Normally opened contact between the contact 51 ', 52 ' of right half part meets 5Q Lamp, the normally-closed contact between contact 51 ', 53 ' connect 5H lamp.Contact 73,53 ' is connected；Contact 72,52 ", 52 ' is connected to a switch K5, To solve the problems, such as lighting for 5Q lamp, K5 switch downwards closure when, the contact 52 and JJC type of JWXC1000 type relay base after The contact 52 of electric appliance pedestal is connected, and 5Q lamp is normal when busy relay JJ system.When K5 is disconnected upwards, when test JZXC-H18, When JSBXC-850,5Q lamp can be lighted normally.

Normally opened contact between the contact 81,82 of left-half connects 6Q lamp, and the normally-closed contact between contact 81,83 connects 6H lamp；In Between part contact 63 ", 62 " between normally opened contact connect 6Q lamp；Normally opened contact between the contact 61 ', 62 ' of right half part meets 6Q Lamp, the normally-closed contact between contact 61 ', 63 ' connect 6H lamp.Contact 82,62 ", 62 ' is connected, and contact 83,63 ' is connected.

Normally opened contact between the contact 53,52/51 of left-half connects 3Q lamp, and the normally-closed contact between contact 53,31 connects 3H lamp； Normally opened contact between the contact 33 ", 32 " of middle section connects 3Q lamp；Normally opened contact between the contact 31 ', 32 ' of right half part meets 3Q Lamp, the normally-closed contact between contact 31 ', 33 ' connect 3H lamp.Contact 51/52,32 ", 32 ' is connected, and contact 31,33 ' is connected.

Normally opened contact between the contact 63,62/61 of left-half connects 4Q lamp, and the normally-closed contact between contact 63,41 connects 4H lamp； Normally opened contact between the contact 43 ", 42 " of middle section connects 4Q lamp；Normally opened contact between the contact 41 ', 42 ' of right half part meets 4Q Lamp, the normally-closed contact between contact 41 ', 43 ' connect 4H lamp.Contact 61/62,42 ", 42 ' is connected, and contact 41,43 ' is connected.

The contact 32 " of middle section is also connect with the contact 32 ' of right half part；The contact 42 " of middle section is also with right half Partial contact 42 ' connects.Normally-closed contact between the contact 72 ", 71 " of middle section connects 7H lamp, the contact 71 ' of right half part, Normally opened contact between 72 ' connects 7Q lamp, and the normally-closed contact between contact 71 ', 73 ' connects 7H lamp, the contact 71 " and right side of middle section The contact 73 ' divided connects.Normally-closed contact between the contact 82 ", 81 " of middle section connects 8H lamp, the contact 81 ', 82 ' of right half part Between normally opened contact connect 8Q lamp, the normally-closed contact between contact 81 ', 83 ' connects 8H lamp, the contact 81 " and right half part of middle section Contact 83 ' connect.

When JJJC4 series (JJJC3, JJJC4, JJJC5 etc.) relay contact analog control system, tested relay is inserted in corresponding bottom On seat；Close ZK master switch；JK1 switch dial on the position of rear circle, 3A relay be attracted, normal opened contact closure, contact 13 with XQ3 is connected, and contact 17 and XQ4 are connected；1K AC-DC conversion switch is dialled in AC220V gear；K2 alternating current-direct current input switch is dialled and is being handed over Stream input gear, since measured relay back contact is in the position of closure, so corresponding 3H~6H lamp is lighted.Contact 13 with after No. 12 of electric appliance, No. 22 of contact 17 and relay are connected in testing cassete, when pressure regulator is toward big adjust, observation exchange Voltmeter V1 is transferred to relay coil relay when working value is no more than 180V and is attracted, and front contact is closed corresponding 3Q~6Q lamp It lights；Toward small timing relay coil, the relay when release value is not less than 70V is released to standard to pressure regulator.

JJJC series (JJJC, JJJC1 etc.) relay contact analog control system, tested relay is inserted on corresponding pedestal；It closes ZK master switch；JK1 switch is dialled on the position of rear circle, and 3A relay is attracted, and normal opened contact closure, contact 13 and XQ3 are connected, and is connect Point 17 and XQ4 is connected；1K AC-DC conversion switch is dialled in AC220V gear；K2 alternating current-direct current input switch, which is dialled, inputs shelves in exchange Position, since measured relay back contact is in the position of closure, so corresponding 7H~8H lamp is lighted.Contact 13 and relay 12 Number, contact 17 be connected in testing cassete with relay 22, when pressure regulator is toward big adjust, observe A.C. voltmeter V1 tune To relay coil, when working value is not more than 18V, relay is attracted, and front contact is closed corresponding 3Q~6Q lamp and lights；Pressure regulator Toward small timing relay coil in release value, relay is released to standard when not less than 5.5V.

JJC series relay contact analog control system, tested relay is inserted on corresponding pedestal；Close ZK master switch；JK1 switch It dials on the position of rear circle, 3A relay is attracted, and normal opened contact closure, contact 13 and XQ3 are connected, and contact 17 and XQ4 are connected；1K AC-DC conversion switch is dialled in AC220V gear；K2 alternating current-direct current input switch, which is dialled, inputs gear in exchange, due to measured relay Back contact is in the position of closure, so corresponding 5H~8H lamp is lighted.Contact 13 and relay 12, contact 17 and relay 22 It number is connection in testing cassete, when pressure regulator is toward big adjust, observation A.C. voltmeter V1 is transferred to relay coil and is working Relay is attracted when value is no more than 180V, and front contact is closed corresponding 3Q~8Q lamp and lights；Pressure regulator is toward small timing relay line Circle relay when release value is not less than 54V is released to standard.

As shown in Figure 27, Figure 28, the contact resistance for testing all kinds of relay models is said now by taking JPXC-1000 type as an example The case where resistance of the bright forward and backward contact to relay is tested.Relay needed for test device intraconnections accordingly connects Point Z12/Z13~Z 82/Z83 etc. cooperates the contact 11,21~81 etc. in four-wire system instrument measuring resistance with (connection), plays switch Effect.Tested relay is inserted on corresponding pedestal, ZK battery main switch is closed, Switching Power Supply AC220V/DC13V is opened It is dynamic, DC12V is exported for 1H~8H, 1Q~8Q indicator light.Test resistance button is pressed, DJ relay is attracted and self-insurance, and DJ is normal It closes contact and obtains electrically disconnected (extinguishing of 1H~8H lamp).DJ contact 1 and No. 3R connection.AC220V/DC24V must electrically activate output, test Ohmmeter must electrically activate.It is not put for example, pressing 2QA button, is attracted 2J relay, 2J normal opened contact closure, resistance measurement end Son: F- is connected across on No. Z13 with No. S-, and S+ and F+ are connected across No. 11 upper (DJ obtains electric closure), and test resistance table directly reads 1H The resistance of back contact.Press test resistance stop button, the release of DJ relay.1K AC-DC conversion switch is dialled in DC30V gear； K2 AC and DC input switch, which is dialled, inputs gear in direct current, and JK1 switch is dialled on concatenated position, and 2A relay is attracted, contact 13 With No. XQ1, contact 17 and No. XQ4 connection；It adjusts pressure regulator to adjust toward big, while observing D.C. voltmeter V2, arrive relay coil When working value is not more than 16V, relay is attracted, and front contact is closed corresponding 1Q~8Q lamp and lights, and presses test resistance button, DJ relay is attracted and self-insurance.It presses 1QA button not put, 1J relay is attracted: " 1J relay is attracted, 1J normal opened contact closure, Resistance measurement terminal: F- is connected across on No. Z12 with No. S-, and S+ and F+ are connected across No. 11 upper (DJ obtains electric closure) ", test resistance table Directly read the resistance of 1Q front contact.

In conclusion test device of the invention, solves this blind area of on-site test safety type relay, technology is opened Notch provides completely new means of testing for a line operation maintenance, and scene can determine the good of relay after breaking down at the first time It is bad, it finds out failure cause, shortens emergency repair time, improve working efficiency.

It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims

1. a kind of portable relay test-device, which is characterized in that

In the Main Control Tank of test device, it is provided with the switch K1 for combined-voltage conversion and voltage class conversion, for handing over The switch K2 of direct current signal input conversion realizes the front ring connection of relay to be measured, encloses the type of connection, tandem-type connection switching afterwards Select switch JK1；

The coil for having relay 1A, 2A, 3A being separately connected with the switching point of type selection switch JK1；Relay 1A is corresponding When contact is attracted, relay front ring resistance to be measured is accessed, voltage is added in test front ring；When the corresponding contact of relay 3A is attracted, Resistance is enclosed after accessing relay to be measured, voltage is added in circle after test；When the corresponding contact of relay 2A is attracted, relay to be measured is added Resistance when device front and rear ring is connected tests addition voltage when two groups of coil series connection；

The input terminal of the output termination power transformer of pressure regulator T；The multistage secondary coil of power transformer, wherein all the way directly It is connected to the input side contact of multiple exchanges switching shelves of switch K1, the outlet side contact of these exchange switching shelves is with switch K2's Exchange input side switching point be connected, switch K2 exchange outlet side switching point be connected with test device ac output end H1, H2 and alternating current ammeter A1, A.C. voltmeter V1；Another way passes through multiple direct currents that bridge rectifier plate is connected to switch K1 respectively Switch the input side contact of shelves, these direct currents switch the switching point phase of the outlet side contact and the direct current input side of switch K2 of shelves Even, the switching point of switch K2 DC output side be connected with test device DC output end USC1, USC2 and DC ammeter A2, D.C. voltmeter V2.

2. portable relay test-device as described in claim 1, which is characterized in that

Between 13rd contact, the 15th contact and it is connected to the corresponding normally opened contact of relay 1A, 2A, the 13rd contact, It is equipped with the corresponding normally opened contact of relay 3A between 23rd contact, relay is equipped between the 17th contact, the 19th contact The corresponding normally opened contact of device 1A, between the 17th contact, the 27th contact and to be connected to relay 3A, 2A corresponding normally opened Contact；The corresponding normally opened contact of relay 2A is equipped between 21st contact, the 25th contact；

The No.1 pin of the front ring of relay to be measured, No. two pins meet port x Q1, XQ2 respectively, enclose afterwards No. three pin, No. four Pin meets port x Q3, XQ4 respectively；Port x Q1 is connect with the 15th contact, and port x Q2 connects with the 21st contact, the 19th Point connection；Port x Q3 is connect with the 25th contact, the 23rd contact, and port x Q4 is connect with the 27th contact.

3. portable relay test-device as described in claim 1, which is characterized in that

It is additionally provided with polar selecting switch K3；There are relay 5A, 6A with what the switching point of polar selecting switch K3 was separately connected Coil；The corresponding contact of relay 5A, 6A be connected to switch K2 DC output side switching point and DC output end USC1, Between USC2；It is attracted by the corresponding contact conversion of relay 5A, 6A, to change the electricity between DC output end USC1 and USC2 Press polarity.

4. portable relay test-device as described in claim 1, which is characterized in that

It is additionally provided with testing time table JS, time switch K3, selection of time switch JK2, the neat conversion for spending test and time test Switch K4, and the relay 4A being attracted in direct current gear；

The circuit that first pair of normally opened contact access Switching Power Supply of relay 4A is powered to testing time table JS；Switch K2 is switched to When direct current inputs, relay 4A is attracted, and is closed first pair of normally opened contact of relay 4A, testing time table JS obtains electric；

The contact IN of testing time table JS passes through a pair of of normally opened contact junction IN ' of corresponding relay 17J；Testing time The anode of table JS leads to contact J+, and one group of two-way contact of time switch K3 is equipped between contact IN ' and contact J+；Relay The coil of 17J is simultaneously connected on indicator light corresponding with the one of back contact of relay to be measured；Contact J+ and testing time table Reset switch is additionally provided between reset terminal RST；

It is switched over by the selection of time switch JK2 in multiple delay time shelves；Another group of switching of time switch K3 connects Point is separately connected the corresponding socket for being inserted into relay to be measured in selection of time switch JK2 and test device, when by selected delay Between be input to relay to be measured.

5. portable relay test-device as described in claim 1, which is characterized in that

It is provided with test resistance table R, is connect with Switching Power Supply；The coil of relay DJ, normally closed shutdown switch, normally opened survey Resistance starting switch series connection, the corresponding several pairs of normal opened contacts of relay DJ, between first pair of access Switching Power Supply and general supply, Second pair starts switch and connects with the measuring resistance；

Multiple measuring resistance relays are provided with, is connected separately with and controls the control switch that its coil is attracted；Each measuring resistance is used Two pairs of normal opened contacts of relay, one end are separately connected the resistance measurement port F- and S- of test resistance table R, the other end be connected and It is connected to the resistance of a corresponding front contact or back contact at relay to be measured；

The resistance measurement port S+ of the test resistance table R, to normal opened contact, divides multi-wad join to wait for by the third of relay DJ Survey the corresponding indicator light of each front contact, back contact of relay；The resistance measurement port F+ of test resistance table R passes through relay The 4th pair of normal opened contact of DJ, divides the corresponding indicator light of each front contact, back contact of multi-wad join relay to be measured；Relay The corresponding normally closed contact of DJ accesses the circuit for the power supply of each indicator light.

6. a kind of relay contact analog control system method, using portable relay test-device described in any one of Claims 1 to 55, It is characterized in that,

When carrying out electrical characteristics test to relay to be measured, pressure regulator is started from scratch starting, selection need voltage to be tested or electricity Flow gear, AC power source or DC supply input, boost to and stop setting time after the value that magnetizes of relay to be measured, observation and to Whether the corresponding indicator light of front contact for surveying relay is all lighted；The whole front contacts for being slowly depressurized to relay to be measured are disconnected It opens, the numerical value of recording voltmeter or ammeter is as release value；Pressure regulator is zeroed, before slowly boosting to relay whole to be measured Junction closure simultaneously meets certain contact pressure, and the numerical value of recording voltmeter or ammeter is as working value；Adjust pressure regulator into Positive pole changing value, reversed pole changing value are tested in row boost or depressurization；Test is completed, and pressure regulator is zeroed.

7. relay contact analog control system method as claimed in claim 6, which is characterized in that

Relay to be measured is inserted on corresponding socket, and type selection switch JK1 is switched to tandem-type connection；Switch K1 is switched to accordingly DC voltage shelves；Switch K2 is switched to direct current input shelves, the back contact closure of relay to be measured, the corresponding finger of observation back contact Show whether lamp is lighted；

Pressure regulator is adjusted, D.C. voltmeter V2 is observed, whether relay to be measured coil when working value is not more than specified value is inhaled It closes, determines whether the front contact of relay to be measured is closed, whether the corresponding indicator light of front contact is lighted；

When adjusting pressure regulator decompression, determine whether relay to be measured coil when release value is not less than specified value discharges；Alternatively, The reversed relay to be measured of positive for front ring, rear circle, when reversed polarity is transferred to assigned voltage, determines that the coil of relay to be measured is It is no not to be attracted.

8. relay contact analog control system method as claimed in claim 6, which is characterized in that

When carrying out neat degree test using portable relay test-device described in claim 4, relay to be measured is inserted in corresponding On socket, by respectively corresponding the indicator light of relay front contact and back contact to be measured in test device, junction closure feelings are observed Condition:

Change-over switch K4 is dialled in neat degree test shelves, and switch K1 is switched to corresponding DC voltage shelves, and it is defeated that switch K2 is switched to direct current It files, type selection switch JK1 is switched to front ring connection, and relay 1A coil obtains electric actuation, and observation corresponds to relay to be measured Whether the indicator light of back contact is lighted；

It adjusts pressure regulator and observes DC ammeter A2, the DC current of display is determined when working value is not more than specified value Whether the front ring of relay to be measured is attracted, and whether the indicator light of the corresponding relay front contact to be measured of observation is lighted, and correspondence is followed by Whether the indicator light of point extinguishes；

Adjust pressure regulator and be depressured and observe DC ammeter A2, the DC current of display when release value is not less than specified value, Determine whether relay to be measured can discharge.

9. relay contact analog control system method as claimed in claim 6, which is characterized in that

Using portable relay test-device described in claim 4, starts from scratch starting to pressure regulator, corresponding switch is cut Time test desired position is changed to, selects suitable delay time to carry out time response test for relay to be measured；Pass through institute It states portable relay test-device and starts time value automatically；

Wherein, change-over switch K4 is transformed into time test shelves, and switch K2 is switched to direct current input, and relay 4A is attracted, when test Between table JS obtain it is electric；Selection of time switch JK2 is switched to one of delay time shelves, and type selection switch JK1 is enclosed after being switched to Connection, relay 3A are attracted, and switch K1 is transformed into corresponding DC voltage shelves, instruction corresponding with the back contact of relay to be measured Lamp is lighted, and is attempted by the relay 17J that one of back contact corresponds on indicator light and is attracted, corresponding with relay 17J to connect Point IN ˊ, IN are connected；

Pressure regulator is adjusted, when the DC voltage that observation D.C. voltmeter V2 is shown reaches specified value, time switch K3 closure makes Testing time, table JS started timing；Selected delay time is reached, the rear circle of relay to be measured is attracted, the corresponding contact of back contact Disconnection makes relay 17J releasing winding, and contact IN ˊ, IN are disconnected, and stops timing；

Pressure regulator is screwed into 0, and time switch K3 is disconnected, number zero when reset switch is closed, on testing time table JS；Pass through Selection of time switch JK2 is adjusted to the process of other delay time shelves difference retest, and whether the error for verifying timing is being held Perhaps in range.

10. relay contact analog control system method as claimed in claim 6, which is characterized in that

When carrying out contact selection using portable relay test-device described in claim 5, pressure regulator is started from scratch starting, survey Resistance starting closes the switch, and the whole front contacts for boosting to relay to be measured are closed and meet certain contact pressure, successively touches The control switch for sending out corresponding front contact carries out qualification judgement by the data on test resistance table R；After pressure regulator zero, according to The secondary control switch for triggering corresponding back contact, carries out qualification judgement by the data on test resistance table R；Pressure regulator is returned Zero, press shutdown switch；

When carrying out coil resistance test, it is ensured that in the case that pressure regulator is zeroed, type selection switch JS is switched to tandem-type connection； Switch 1K is switched to corresponding DC voltage shelves；Switch K2 is switched to direct current input gear；Adjusting pressure regulator increases voltage, sees D.C. voltmeter V2 is examined, relay to be measured coil when working value is not more than specified value is attracted, connects before determining relay to be measured Whether point is closed, and whether corresponding indicator light is lighted；

When testing the contact resistance of relay to be measured, measuring resistance starts switch closure, and relay DJ is attracted and self-insurance, relay DJ Normally closed contact obtain electrically disconnected, the corresponding indicator light of relay back contact to be measured extinguishes；The normal opened contact of relay DJ is connected, and is opened Powered-down source must electrically activate output, electrically activate test resistance table R must；

Operation-control switch is attracted the coil of wherein any one measuring resistance relay, the measuring resistance relay it is normally opened Junction closure enables resistance measurement terminal S+ and F+ be connected on the front contact or the corresponding indicator light of back contact, resistance measurement Terminal F- and S- are connected across on the resistance of a front contact corresponding with the measuring resistance relay or back contact, are surveyed by resistance It takes temperature and reads resistance value；Shutdown switch closure, relay DJ release.