CN208860929U - Intermediate relay checking table - Google Patents
Intermediate relay checking table Download PDFInfo
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- CN208860929U CN208860929U CN201821393819.9U CN201821393819U CN208860929U CN 208860929 U CN208860929 U CN 208860929U CN 201821393819 U CN201821393819 U CN 201821393819U CN 208860929 U CN208860929 U CN 208860929U
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Abstract
A kind of intermediate relay checking table, it is fixed with selection control, function switch, feedback output three systems of switching on one piece of fixed bottom plate.Selection control system includes: exchange input switch, an input power indicator light, exit button, and N number of select button SB1~N, selective relay KA1~N are tested intermediate relay pedestal K1~N, multiple control contactor KM, leading-out terminal row；Function switch system includes: a function selection switching switch SA1, coil leading-out terminal and measurement terminal；Feedback output switching system includes: that a feedback selection switches switch SA2, resistance measurement control contactor KMZ1, KMZ2, voltage measurement control contactor KMY1, KMY2, contact leading-out terminal and measurement terminal, total measuring contact resistance terminal.The utility model versatility is good, and each interelement wiring is completely fixed, and to different relays and different test items without changing wiring, improves work efficiency.
Description
Technical field
The utility model relates to relay test-device fields, and in particular to a kind of intermediate relay checking table.
Background technique
Intermediate relay verification is used as a kind of most common Automatic Control Component, has obtained largely making in the power system
With.According to related specification requirement, intermediate relay should be verified periodically, and the project of verification includes: coil resistance, movement electricity
Pressure, return voltage, contact contact resistance etc..Current test method is: when measuring coil resistance, high resistance meter being connected to
Between relay coil measure, the wiring of high resistance meter and intermediate relay coil is removed after measurement；Measurement movement
When voltage, return voltage, relay protection comprehensive tester voltage output end is connected to intermediate relay coil, by relay protection
Comprehensive tester contact input end is connected to normally opened, the normally closed contact of intermediate relay, then uses relay protection integration test
Instrument measures, after measurement by all relay protection comprehensive tester contact input ends be connected to intermediate relay it is normally opened,
The wiring of normally closed contact is removed；When measuring contact contact resistance, connecing for whole normally closed contacts is first measured one by one using low resistance table
Electric shock resistance, then pressurizes to intermediate relay coil with relay protection comprehensive tester, makes intermediate relay keep being attracted, then make
The contact resistance for measuring whole normal opened contacts one by one with low resistance table, finally removes relay protection comprehensive tester voltage output end
It is connected to the wiring of intermediate relay coil, removes low resistance table.The intermediate relay thousands of for large hydropower station comes
Say, so one by one item by item verify, largely disconnect line work it is time-consuming and laborious, work can not be completed within the limited time
Task；And verified again even being led to the wiring of all relay bases after terminal block using lead, though it can reduce
Certain disconnects line work, but relay and different test items to different structure, still needs to frequently change external instrument, instrument
Table wiring measures, and is still difficult to complete task within the limited time.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of existing calibration technology, provide highly efficient and adaptability it is good in
Between relay calibration table, realize efficient verification to high-volume intermediate relay, mitigate the working strength of verification personnel.
Technical solution used by the utility model is a kind of intermediate relay checking table, and it is solid by one piece to be characterized by it
Determine to be fixed with three selection control system, function switch system, feedback output switching system systems compositions, selection control on bottom plate
The coil of measured relay and all normally opened, normally closed contact wiring are led to leading-out terminal row, function by selection control by system
The winding wiring that leading-out terminal is arranged is respectively led into the coil resistance measurement terminal and electricity of resistance measurement terminal block by switching system
The coil voltage measurement terminal of measurement terminal row is pressed, feedback output switching system arranges leading-out terminal all normally opened, normally closed
Contact wiring is respectively led into the contact measurement terminal of resistance measurement terminal block and voltage measurement terminal row, selection control system packet
It includes: an exchange input switch QF, an alternating current input power supplying indicator light HL, N number of select button SB1~N, an exit button
SB0, N number of selective relay KA1~N, N number of tested intermediate relay pedestal K1~N, multiple control contactor KM and one
Leading-out terminal row comprising 2 coil leading-out terminals and 12 contact leading-out terminals；Function switch system includes: a function choosing
Select switching switch SA1,2 coil leading-out terminals of leading-out terminal row, 2 coil resistance measurement ends of resistance measurement terminal block
Son, 2 coil voltage measurement terminals of voltage measurement terminal row；Feedback output switching system includes: a feedback selection switching
Switch SA2, two resistance measurement control contactors KMZ1, KMZ2, two voltage measurements control contactor KMY1, KMY2 are drawn
12 contact leading-out terminals of terminal block, the 12 contact measurement terminals and 2 total measuring contact resistances of resistance measurement terminal block
Terminal, 12 contact measurement terminals of voltage measurement terminal row.Exchange input switch QF respectively with alternating current input power supplying indicator light
HL, select button SB1~N, selective relay KA1~N, control contactor KM electrical connection.
Each interelement wiring of the utility model is completely fixed, and is verified by isolation design with change wiring design raising is exempted from
The safety of journey, it is any without changing when verifying the different test items of different intermediate relay and same intermediate relay
Wiring thoroughly solves in previous checking procedure and frequently changes wiring, is easy error, causes asking for equipment damage and personal injury
Topic, greatly improves work efficiency, it is ensured that the person and equipment safety.
N is equal to the quantity of tested intermediate relay pedestal.
The intermediate relay pedestal of several different structures, type is selected, the coil of intermediate relay pedestal is tested and is owned
Normally opened, normally closed contact is sequentially connected to normal opened contact one end of corresponding control contactor, the other end of normal opened contact using line
It is sequentially connected to the 2 coil leading-out terminals and 12 contact leading-out terminals of leading-out terminal row.
It is preceding 3 contact leading-out terminals as measured relay pedestal only has a secondary normally opened, normally closed contact, there are two pairs often
Open, normally closed contact is preceding 6 contact leading-out terminals, having three secondary normally opened, normally closed contacts is preceding 9 contact leading-out terminals.
The utility model is controlled after putting into ac control power supply by select button, selective relay, exit button
Control contactor investment corresponding with tested intermediate relay pedestal exits, and realizes the coil of different intermediate relays and institute
There is normally opened, normally closed contact to lead to the coil leading-out terminal and contact leading-out terminal of leading-out terminal row.
Switching switch is selected by function, the coil leading-out terminal that leading-out terminal is arranged is respectively led into resistance measurement terminal block
Coil resistance measurement terminal and voltage measurement terminal row coil voltage measurement terminal, coil resistance measurement terminal connection it is supreme
Ohmmeter, coil voltage measurement terminal are connected to the voltage output end of relay protection comprehensive tester.Can carry out coil resistance and
Movement/return voltage, the measurement of contact contact resistance.
It is connected supreme according to the acting characteristic of switching switch when function selects switching switch to be switched to coil resistance measurement
The circuit of ohmmeter is connected, and the circuit for being connected to relay protection comprehensive tester voltage output end disconnects；And when function selection is cut
When changing switch and being switched to voltage and contact and measure, the circuit for being connected to high resistance meter is disconnected, and is connected to relay protection comprehensive tester
The circuit of voltage output end is connected.While the contact using switching switch is to realize that the selection of function switches, height is avoided
The case where ohmmeter and relay protection comprehensive tester voltage output end are also turned on, realizes high resistance meter and relay protection is comprehensive
Close the isolation of tester.
Switching switch, resistance measurement control contactor, voltage measurement control contactor are selected by feedback, by leading-out terminal
The contact leading-out terminal of row is respectively led into the contact measurement terminal of resistance measurement terminal block and voltage measurement terminal row, resistance measurement
12 contact measurement terminals of terminal block, are connect by series and parallel, form 14 secondary normal opened contact series connection and 14 secondary normally closed contact
Concatenated total measuring contact resistance circuit, then, according to the measured practical contact pair number of intermediate relay pedestal, using corresponding
Selective relay, the circuit consistent with practical contact pair number is intercepted from total measuring contact resistance circuit, resistance is led to and surveys
Total measuring contact resistance terminal of terminal block is measured, total measuring contact resistance terminal of resistance measurement terminal block is connected to low resistance table
Current terminal carries out the measurement of contact contact resistance；It is comprehensive that the contact measurement terminal of voltage measurement terminal row is connected to relay protection
Tester contact input end act the/measurement of return voltage, and can carry out the action situation inspection of contact.
When feedback selects switching switch to be switched to output to low resistance table, the movement of resistance measurement control contactor, exit
The contact leading-out terminal of son row is connected to the contact measurement terminal of resistance measurement terminal block, and the circuit of connection low resistance table is connected；
Voltage measurement control contactor is failure to actuate, and the circuit for being connected to relay protection comprehensive tester contact input end disconnects.And when anti-
When feedback selection switching switch is switched to output to relay protection comprehensive tester, the movement of voltage measurement control contactor, leading-out terminal
The contact leading-out terminal of row is connected to the contact measurement terminal of voltage measurement terminal row, connects relay protection comprehensive tester contact
The circuit of input terminal is connected；Resistance measurement control contactor is failure to actuate, and the circuit for being connected to low resistance table disconnects.Utilizing switching
Switch, resistance measurement control contactor, voltage measurement control contactor come realize feedback output selection switching while, avoid
The case where low resistance table and relay protection comprehensive tester contact input end are also turned on, realizes low resistance table and relay is protected
Protect the isolation of comprehensive tester.
Each control contactor KM has 8 secondary normal opened contacts, at most controllable 8 piece-root grafting lines.When required connection is more than 8
Root need to increase the quantity of control contactor.
Used control power supply is 220V AC power source.
Above-mentioned intermediate relay checking table, being tested intermediate relay pedestal is three, and can be increased as needed, is applicable in
In various different structures, the intermediate relay of model, voltage class.
Selection control system includes: an exchange input switch QF, and an alternating current input power supplying indicator light HL, three select
Button SB1, SB2, SB3, exit button a SB0, three selective relays KA1, KA2, KA3, three tested intermediate relays
Pedestal K1, K2, K3 and a leading-out terminal row comprising 2 coil leading-out terminals and 12 contact leading-out terminals；Function is cut
The system of changing includes: a function selection switching switch SA1,2 coil leading-out terminals of leading-out terminal row, resistance measurement terminal block
2 coil resistance measurement terminals, voltage measurement terminal row 2 coil voltage measurement terminals；Feedback output switching system packet
Include: feedback selection switching a switch SA2, two resistance measurement control contactors KMZ1, KMZ2, two voltage measurement controls connect
Tentaculum KMY1, KMY2, leading-out terminal row 12 contact leading-out terminals, 12 contact measurement terminals of resistance measurement terminal block and
2 total measuring contact resistance terminals, 12 contact measurement terminals of voltage measurement terminal row.
The utility model be provided with different structure, type intermediate relay pedestal, can be suitable for various different structures,
The verification of the intermediate relay of model, voltage class, wide adaptability, versatility are good.
Each interelement wiring of the utility model is completely fixed, and is verifying different intermediate relay and same intermediate relay
Different test items when without changing any wiring, thoroughly solve in previous checking procedure and frequently change wiring, be easy
Mistake, greatly improves work efficiency the problem of causing equipment damage and personal injury.
Each instrument of the utility model, instrument cubicle have carried out isolation design, effectively prevent when carrying out different test items,
The problem of instrument, instrument damage are caused due to maloperation.
Detailed description of the invention
Fig. 1 is the principles of the present invention schematic diagram
Fig. 2 is the electrical schematic diagram of the utility model selection control system
Fig. 3 is the electrical schematic diagram of the utility model feedback output switching system
Fig. 4 is the electrical schematic diagram of the utility model control contactor KM1, KM11, KM2, KM3
Fig. 5 be the utility model resistance measurement control contactor KMZ1, KMZ2, voltage measurement control contactor KMY1,
KMY2, the electrical schematic diagram of function selection switching switch SA1
Fig. 6 is the electrical schematic diagram of the utility model intermediate relay checking table contact resistance measurement
Wherein: 1 fixed 2 selection control system of bottom plate, 3 function switch system, 4 feedback output switching systems 5 are high
6 low resistance table QF of ohmmeter is that exchange input switch HL be alternating current input power supplying indicator light SB1, SB2, SB3 is choosing
It is that selective relay KM1, KM11, KM2, KM3 are that select button (tape light) SB0, which be exit button KA1, KA2, KA3,
Control contactor KMZ1, KMZ2 be resistance measurement control contactor, KMY1, KMY2 be voltage measurement control contactor K1,
K2, K3 are that tested intermediate relay pedestal SA1 is that function selects switching switch SA2 to select switching switch X1- for feedback
Leading-out terminal row X2 is that resistance measurement terminal block X3 is voltage measurement terminal row.
Specific embodiment
Below with reference to view, the utility model is further retouched by taking three common relay base designs as an example
It states, cited embodiment can make professional and technical personnel more understand the utility model, but not limit this in any form
Utility model.
As shown in Figure 1, the utility model is a kind of intermediate relay checking table, it is by one piece of fixed bottom plate 1, and selection
Control system 2, function switch system 3,4 three systems of feedback output switching system and high resistance meter 5, low resistance table 6 form.Choosing
It selects control system and the coil of measured relay and all normally opened, normally closed contact wiring is led to by leading-out terminal by selection control
The winding wiring that leading-out terminal is arranged is respectively led into the coil resistance measurement end of resistance measurement terminal block by row, function switch system
The coil voltage measurement terminal of son and voltage measurement terminal row, feedback output switching system arrange leading-out terminal all normal
It opens, normally closed contact wiring is respectively led into resistance measurement terminal block and the contact measurement terminal of voltage measurement terminal row.Selection control
System includes: an exchange input switch QF, and an alternating current input power supplying indicator light HL, N number of select button SB1~N, one is moved back
Button SB0 out, N number of selective relay KA1~N, N number of tested intermediate relay pedestal K1~N, multiple control contactor KM, with
An and leading-out terminal row comprising 2 coil leading-out terminals and 12 contact leading-out terminals；Function switch system includes: one
Function selection switching switch SA1,2 coil resistances of 2 coil leading-out terminals of leading-out terminal row, resistance measurement terminal block are surveyed
Measure terminal, 2 coil voltage measurement terminals of voltage measurement terminal row；Feedback output switching system includes: a feedback selection
Switch switch SA2, two resistance measurement control contactor KMZ1, KMZ2, two voltage measurements control contactor KMY1, KMY2,
12 contact leading-out terminals of leading-out terminal row, the 12 contact measurement terminals and 2 total contact resistances of resistance measurement terminal block
Measurement terminal, 12 contact measurement terminals of voltage measurement terminal row.
N is 3 in figure, it may be assumed that selection control system includes: an exchange input switch QF, an alternating current input power supplying instruction
Lamp HL, three select button SB1, SB2, SB3, exit button a SB0, three selective relays KA1, KA2, KA3, three quilts
Intermediate relay pedestal K1, K2, K3 are surveyed, four control contactors KM1, KM11, KM2, KM3(connect super as required for K1
Cross 8, therefore increase the quantity of a control contactor) and leading-out terminal row X1 1,2 coil leading-out terminals, 4~15 contacts
Leading-out terminal.Function switch system includes: a function selection switching switch SA1, and leading-out terminal arranges 1, the 2 coil exits of X1
Son, 1, the 2 coil resistance measurement terminals of resistance measurement terminal block X2, voltage measurement terminal arrange 1, the 2 coil voltage measurement ends of X3
Son.Feedback output switching system include: the selection switching of feedback switch SA2, two resistance measurement control contactor KMZ1,
KMZ2, two voltage measurements control contactor KMY1, KMY2, leading-out terminal arrange 4~15 contact leading-out terminals of X1, resistance measurement
4~15 contact measurement terminals of terminal block X2 and 17,18 total measuring contact resistance terminals, voltage measurement terminal arrange the 4~15 of X3
Contact measurement terminal.
As shown in Figure 2 and Figure 3, alternating current 220V power supply is introduced through exchange input switch QF, it is alternatively that relay KA1, KA2,
KA3, control contactor KM1, KM11, KM2, KM3, resistance measurement control contactor KMZ1, KMZ2 and voltage measurement control connect
The control power supply of tentaculum KMY1, KMY2, power monitoring of the alternating current input power supplying indicator light HL as alternating current 220V power supply.
It is three that the utility model, which is tested intermediate relay pedestal, and can be increased as needed, and various different knots are suitable for
The intermediate relay of structure, model, voltage class.
Intermediate relay pedestal K1 has 4 secondary normally opened, normally closed contacts, as shown in figure 4, often by the coil of K1 and whole 4 pairs
Open, 14 connecting terminals of normally closed contact be connected to control contactor KM1, KM11 14 secondary normal opened contacts one end, will be corresponding
The other end of 14 secondary normal opened contacts is connected to 1,2 and 4~No. 15 terminal of leading-out terminal row X1 respectively.1, No. 2 terminal of X1 is corresponding
Coil, 4,5, No. 6 terminals of X1 respectively correspond the common end of the first secondary contact, normal opened contact, normally closed contact, and 7,8, No. 9 of X1
Terminal respectively corresponds the common end of the second secondary contact, normal opened contact, normally closed contact, and 10,11, No. 12 terminals of X1 respectively correspond the
The common end of three secondary contacts, normal opened contact, normally closed contact, 13,14, No. 15 terminals of X1 respectively correspond the public of fourth officer contact
End, normal opened contact, normally closed contact.
Intermediate relay pedestal K2 has 2 secondary normally opened, normally closed contacts, as shown in figure 4, often by the coil of K2 and whole 2 pairs
Open, 8 connecting terminals of normally closed contact be connected to control contactor KM2 8 secondary normal opened contacts one end, will corresponding 8 pair it is normally opened
The other end of contact is connected to 1,2 and 4~No. 9 terminal of leading-out terminal row X1 respectively.1, No. 2 terminal of X1 corresponds to coil, X1's
4,5, No. 6 terminals respectively correspond the common end of the first secondary contact, normal opened contact, normally closed contact, and 7,8, No. 9 terminals of X1 are right respectively
Answer common end, the normal opened contact, normally closed contact of the second secondary contact.
Intermediate relay pedestal K3 has 2 secondary normally opened, normally closed contacts, as shown in figure 4, often by the coil of K3 and whole 2 pairs
Open, 8 connecting terminals of normally closed contact be connected to control contactor KM3 8 secondary normal opened contacts one end, will corresponding 8 pair it is normally opened
The other end of contact is connected to 1,2 and 4~No. 9 terminal of leading-out terminal row X1 respectively.1, No. 2 terminal of X1 corresponds to coil, X1's
4,5, No. 6 terminals respectively correspond the common end of the first secondary contact, normal opened contact, normally closed contact, and 7,8, No. 9 terminals of X1 are right respectively
Answer common end, the normal opened contact, normally closed contact of the second secondary contact.
As shown in Fig. 2, such as using intermediate relay pedestal K1 when verification, then select button SB1 is pressed, SB1 lamp is bright, control
Contactor KM1, KM11 processed are attracted, and all 14 connecting terminals on intermediate relay pedestal K1 are connected to leading-out terminal row X1's
1,2 and 4~No. 15 terminals, simultaneous selection relay KA1 are attracted, and play the self-sustaining work in circuit after select button SB1 release
With.After the completion of complete verification, exit button SB0 is pressed, disconnects selection control loop, control contactor KM1, KM11 and selection
Relay KA1 release, SB1 lamp go out.
Intermediate relay pedestal K2 is such as used, then presses select button SB2, SB2 lamp is bright, and control contactor KM2 is attracted, in
Between all 8 connecting terminals on relay base K2 be connected to 1,2 and 4~No. 9 terminal of leading-out terminal row X1, simultaneous selection
Relay KA2 is attracted, and it is self-sustaining to play the role of circuit after select button SB2 release.After the completion of complete verification, presses and move back
Button SB0 out, disconnects selection control loop, and control contactor KM2 and selective relay KA2 release, SB2 lamp go out.
Intermediate relay pedestal K3 is such as used, then presses select button SB3, SB3 lamp is bright, and control contactor KM3 is attracted, in
Between all 8 connecting terminals on relay base K3 be connected to 1,2 and 4~No. 9 terminal of leading-out terminal row X1, simultaneous selection
Relay KA3 is attracted, and it is self-sustaining to play the role of circuit after select button SB3 release.After the completion of complete verification, presses and move back
Button SB0 out, disconnects selection control loop, and control contactor KM3 and selective relay KA3 release, SB3 lamp go out.
After completing the selection control of intermediate relay pedestal, switching switch SA1 is selected to carry out function selection by function
Switching.As shown in figure 5, leading-out terminal arranges 1, No. 2 coil exit of X1 when switching switch SA1 is switched to coil resistance measurement
Son is connected to 1, No. 2 coil resistance measurement terminal of resistance measurement terminal block X2, is connected to high resistance meter measuring coil resistance；Work as switching
When switch is switched to voltage and contact measurement, 1, No. 2 coil leading-out terminal of leading-out terminal row X1 is connected to voltage measurement terminal row X3
1, No. 2 coil voltage measurement terminal, be connected to relay protection comprehensive tester voltage output end, act/return voltage, connect
The measurement of point contact resistance.
Then, switched by the selection that feedback selects switching switch SA2 to carry out feedback output.As shown in figs. 3 and 5, when cutting
When changing switch SA2 and being switched to feedback output to low resistance table, resistance measurement control contactor KMZ1, KMZ2 are attracted, leading-out terminal row
4~No. 15 contact leading-out terminals of X1 are connected to 4~No. 15 contact measurement terminals of resistance measurement terminal block X2, further according to Fig. 6 institute
After showing that carrying out series and parallel connects, it is respectively formed 14 secondary normal opened contact series connection and the 14 concatenated total contact resistance of secondary normally closed contact
Measure circuit.Then, according to the measured practical contact pair number of intermediate relay pedestal, using corresponding selective relay, from
The circuit consistent with practical contact pair number is intercepted in total measuring contact resistance circuit, leads to total contact of resistance measurement terminal block
Resistance measurement terminal.Total measuring contact resistance terminal of resistance measurement terminal block is connected to low resistance table current terminal, carries out contact
The measurement of contact resistance.When switching switch SA2 is switched to feedback output to relay-protection tester, voltage measurement control contactor
KMY1, KMY2 are attracted, and 4~No. 15 contact leading-out terminals of leading-out terminal row X1 are connected to 4~No. 15 of voltage measurement terminal row X3
Contact measurement terminal is connected to relay protection comprehensive tester contact input end, act/the measurement of return voltage, and can be into
Normally opened, normally closed contact the action situation inspection of row.
Use step:
1) access alternating current 220V controls power supply, closes exchange input switch QF, checks that alternating current input power supplying indicator light HL refers to
Show normal.
2) it is inserted into intermediate relay to be verified, and presses corresponding select button, observes corresponding button indicating lamp, choosing
Selecting relay, control contactor should act normally.
3) it selects switching switch SA1 to be switched to coil resistance function to measure, the read coil D.C. resistance in high resistance meter,
And record data.
4) it selects switching switch SA1 to be switched to voltage and contact measurement function, and selects switching switch SA2 to be switched to feedback
For feedback output to relay-protection tester, the measurement operation voltage, return voltage on relay-protection tester records data, and
Can check all whether normally opened, normally closed contact action situation is normal.
5) it keeps function selection switching switch SA1 to be switched to voltage and contact measurement, and selects switching switch SA2 to cut feedback
To feedback output to low resistance table, measured using low resistance table voltage end test test pencil each normally closed on tested intermediate relay pedestal
The contact resistance of contact simultaneously records data；Each normally closed contact after the test test pencil measurement series connection of low resistance table voltage end can also be used
Total contact resistance, do observational measurement, simplify testing process.Then, tested intermediate relay is exported using relay-protection tester
The rated coil voltage of device reuses low resistance table voltage end test test pencil and measures in tested after relay coil actuation
Between the contact resistance of each normal opened contact and record data on relay base；Low resistance table voltage end test table equally can also be used
Total contact resistance of each normal opened contact after pen measurement series connection, does observational measurement, simplifies testing process.After the completion of test, by function
Switching switch SA1 and feedback selection can be selected to switch switch SA2 and be switched to excision position.
6) intermediate relay for completing verification is extracted, and replaces next intermediate relay to be measured.As it is next it is to be measured in
Between relay be different pedestals relay, should first press exit button SB0, then press need pedestal to be used it is corresponding select by
Button.
7) after the completion of complete verification, exit button SB0 is pressed, disconnects exchange input switch QF, removes alternating current 220V control
Power supply.
Claims (8)
1. a kind of intermediate relay checking table, it is characterised in that it is by being fixed with selection control system, function on one piece of fixed bottom plate
Three energy switching system, feedback output switching system systems are constituted, and selection control system is controlled by selection by measured relay
Coil and all normally opened, normally closed contact wiring lead to leading-out terminal row, the coil that function switch system arranges leading-out terminal
Wiring is respectively led into the coil resistance measurement terminal of resistance measurement terminal block and the coil voltage measurement end of voltage measurement terminal row
Son, all normally opened, normally closed contact wiring that feedback output switching system arranges leading-out terminal are respectively led into resistance measurement terminal
The contact measurement terminal of row and voltage measurement terminal row, selection control system include: an exchange input switch QF, an exchange
Input power indicator light HL, N number of select button SB1~N, an exit button SB0, N number of selective relay KA1~N, N number of quilt
Intermediate relay pedestal K1~N is surveyed, multiple control contactor KM and one include 2 coil leading-out terminals and 12 contacts
The leading-out terminal of leading-out terminal is arranged；Function switch system includes: function selection switching switch SA1, arrange 2 of leading-out terminal
Coil leading-out terminal, 2 coil resistance measurement terminals of resistance measurement terminal block, 2 coil voltages of voltage measurement terminal row
Measurement terminal；Feedback output switching system includes: a feedback selection switching switch SA2, two resistance measurement control contactors
KMZ1, KMZ2, two voltage measurements control contactor KMY1, KMY2,12 contact leading-out terminals of leading-out terminal row, resistance are surveyed
The 12 contact measurement terminals and 2 total measuring contact resistance terminals of terminal block are measured, 12 contacts of voltage measurement terminal row are surveyed
Measure terminal, exchange input switch QF respectively with alternating current input power supplying indicator light HL, select button SB1~N, selective relay KA1
~N, control contactor KM electrical connection.
2. a kind of intermediate relay checking table according to claim 1, it is characterised in that N is equal to tested intermediate relay bottom
The quantity of seat.
3. a kind of intermediate relay checking table according to claim 1, it is characterised in that select several different structures, type
Intermediate relay pedestal, the coil and all normally opened, normally closed contacts of tested intermediate relay pedestal be sequentially connected to using line
Normal opened contact one end of corresponding control contactor, 2 coils that the other end of normal opened contact is sequentially connected to leading-out terminal row draw
Terminal and 12 contact leading-out terminals out.
4. a kind of intermediate relay checking table according to claim 1, it is characterised in that switching switch is selected by function,
The coil leading-out terminal that leading-out terminal is arranged is respectively led into the coil resistance measurement terminal and voltage measurement of resistance measurement terminal block
The coil voltage measurement terminal of terminal block, coil resistance measurement terminal are connected to high resistance meter, the connection of coil voltage measurement terminal
To the voltage output end of relay protection comprehensive tester.
5. a kind of intermediate relay checking table according to claim 1, it is characterised in that select switching to switch by feedback,
The contact leading-out terminal that leading-out terminal is arranged is respectively led into resistance by resistance measurement control contactor, voltage measurement control contactor
The contact measurement terminal of measurement terminal row and voltage measurement terminal row, 12 contact measurement terminals of resistance measurement terminal block are led to
It crosses series and parallel to connect, forms 14 secondary normal opened contact series connection and the 14 concatenated total measuring contact resistance circuit of secondary normally closed contact, and
Afterwards, it is surveyed using corresponding selective relay from total contact resistance according to the measured practical contact pair number of intermediate relay pedestal
It measures and intercepts the circuit consistent with practical contact pair number in circuit, lead to total measuring contact resistance end of resistance measurement terminal block
Son, total measuring contact resistance terminal of resistance measurement terminal block are connected to low resistance table current terminal, carry out contact contact resistance
Measurement；The contact measurement terminal of voltage measurement terminal row is connected to relay protection comprehensive tester contact input end, act/
The measurement of return voltage, and the action situation inspection of contact can be carried out.
6. a kind of intermediate relay checking table according to claim 1, it is characterised in that each control contactor KM has 8
Secondary normal opened contact, at most controllable 8 piece-root grafting lines.
7. a kind of intermediate relay checking table according to claim 1, it is characterised in that used control power supply is
220V AC power source.
8. a kind of intermediate relay checking table according to claim 1, it is characterised in that selection control system includes: one
Exchange input switch QF, alternating current input power supplying indicator light a HL, three select buttons SB1, SB2, SB3, an exit button
SB0, three selective relay KA1, KA2, KA3, three tested intermediate relay pedestal K1, K2, K3 and one include 2
The leading-out terminal of coil leading-out terminal and 12 contact leading-out terminals row；Function switch system includes: a function selection switching
Switch SA1,2 coil leading-out terminals of leading-out terminal row, 2 coil resistance measurement terminals of resistance measurement terminal block, voltage
2 coil voltage measurement terminals of measurement terminal row；Feedback output switching system includes: a feedback selection switching switch SA2,
Two resistance measurement control contactor KMZ1, KMZ2, two voltage measurements control contactor KMY1, KMY2, leading-out terminal row's
12 contact leading-out terminals, 12 contact measurement terminals of resistance measurement terminal block and 2 total measuring contact resistance terminals, voltage
12 contact measurement terminals of measurement terminal row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393819.9U CN208860929U (en) | 2018-08-28 | 2018-08-28 | Intermediate relay checking table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821393819.9U CN208860929U (en) | 2018-08-28 | 2018-08-28 | Intermediate relay checking table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860929U true CN208860929U (en) | 2019-05-14 |
Family
ID=66415961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821393819.9U Withdrawn - After Issue CN208860929U (en) | 2018-08-28 | 2018-08-28 | Intermediate relay checking table |
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| Country | Link |
|---|---|
| CN (1) | CN208860929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828443A (en) * | 2018-08-28 | 2018-11-16 | 中国水利水电第十六工程局有限公司 | Intermediate relay checking table |
| CN111157888A (en) * | 2020-01-21 | 2020-05-15 | 大唐洛阳热电有限责任公司 | Intermediate relay contact point rapid detector and detection method thereof |
-
2018
- 2018-08-28 CN CN201821393819.9U patent/CN208860929U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828443A (en) * | 2018-08-28 | 2018-11-16 | 中国水利水电第十六工程局有限公司 | Intermediate relay checking table |
| CN108828443B (en) * | 2018-08-28 | 2023-08-29 | 中国水利水电第十六工程局有限公司 | Intermediate relay calibration stand |
| CN111157888A (en) * | 2020-01-21 | 2020-05-15 | 大唐洛阳热电有限责任公司 | Intermediate relay contact point rapid detector and detection method thereof |
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Granted publication date: 20190514 Effective date of abandoning: 20230829 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190514 Effective date of abandoning: 20230829 |
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| AV01 | Patent right actively abandoned |