CN109001575B - Electric element testing device of inlet roof bolter - Google Patents
Electric element testing device of inlet roof bolter Download PDFInfo
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- CN109001575B CN109001575B CN201810862207.8A CN201810862207A CN109001575B CN 109001575 B CN109001575 B CN 109001575B CN 201810862207 A CN201810862207 A CN 201810862207A CN 109001575 B CN109001575 B CN 109001575B
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000002955 isolation Methods 0.000 claims abstract description 40
- 238000000819 phase cycle Methods 0.000 claims abstract description 13
- 230000001012 protector Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention belongs to the field of roof bolter testing, and provides an inlet roof bolter electric element testing device which comprises a box body, wherein a testing circuit is arranged in the box body, a testing panel and a display are arranged on the box body, a plurality of alternating current power supply output ports and a plurality of direct current power supply output ports are arranged on the testing panel, a switch SA1, a plurality of button switches and a plurality of sensor connection ports are arranged on the testing panel, the testing circuit comprises a PLC programmable controller, a transformer T2, a high-current generator, a current transformer, a first power supply module, a first circuit breaker CB1, a second circuit breaker CB2, a three-phase transformer, a single-channel isolation grating, a variable resistor, a two-channel isolation grating, a first isolation grating, a second isolation grating, a third isolation grating, a temperature transmitter TSC, relays KA 1-KA 13, a relay KT1, a relay KT2 and a phase sequence relay; the invention can realize the test of various electrical elements of the roof bolter.
Description
Technical Field
The invention belongs to the field of roof bolter testing, and particularly relates to an inlet roof bolter electric element testing device.
Background
Modern coal mining equipment is used in large-area and high-efficiency in coal companies in Hua Shen east China, an ARO four-arm roof bolter in Australia is used as one of main supporting equipment of a continuous mining working face, and in recent years, a large number of equipment enters an equipment overhaul and maintenance stage due to overlong use period. As a major repair maintenance manufacturer of the anchoring machine, the company in recent years major repairs nearly one hundred fifty imported anchoring machines for Shendong company. During equipment maintenance, a complete test means is always lacking in the process of electric maintenance of the imported roof bolter. The repair rate of key electrical elements such as a breaker, a contactor, a comprehensive protector and the like can not be controlled, the overhaul quality of equipment can not be effectively improved, and the failure rate can not be effectively controlled. The method brings a plurality of inconveniences to repair work of maintenance personnel, and has great influence on later debugging and service of equipment.
At present, although a plurality of testing devices for single-type electric elements exist at home and abroad, a whole set of testing devices special for imported electric elements of the roof bolter does not exist. Therefore, the formation and development of a set of complete testing means are particularly important, and are the necessary preconditions for improving the overhaul quality of the imported roof bolter, judging the performance parameters of key elements and guaranteeing the product quality.
Disclosure of Invention
The invention overcomes the defects existing in the prior art, and solves the technical problems that: provides an inlet bolter electrical element testing device,
in order to solve the technical problems, the invention adopts the following technical scheme: an inlet bolter electrical element testing device comprises a box body, a testing circuit is arranged in the box body, a testing panel and a display are arranged on the box body, a plurality of alternating current power supply output ports and a plurality of direct current power supply output ports are arranged on the testing panel, a change-over switch SA1, a button switch SB2, a button switch SB3, a button switch SB4, a button switch SB5, a button switch SB6, a button switch SB7, a button switch SB8, a button switch SB9, a button switch SB10, a button switch SB11, a button switch SB12, an oil level sensor connection port, an oil temperature sensor connection port and a pressure sensor connection port are arranged on the testing panel, the testing circuit comprises a PLC programmable controller, a transformer T2, a large-current generator, a current transformer, a first power module, a first circuit breaker CB1, a second circuit breaker CB2, a three-phase transformer, a ZEV integrated protector, a single-channel isolation grating, a variable resistor, a two-channel isolation grating, a first isolation grating, a second isolation grating, a third isolation grating, a temperature transmitter TSC, a relay KA1, a relay KA2, a relay KA3, a relay KA4, a relay KA5, a relay KA6, a relay KA7, a relay KA8, a relay KA9, a relay KA11, a relay KA12, a relay KA13, a relay KT1, a relay KT2 and a phase sequence relay; the external alternating current power supply is connected with the primary side of a transformer T2, the secondary side of the transformer T2 outputs 110V alternating current voltage, the transformer T2 is connected with the input end of a first power supply module after passing through a first circuit breaker CB2, the output end of the first power supply module is connected with a buzzer and an indicator lamp after passing through a two-channel isolation grating, the output end of the first power supply is also connected with an oil level sensor after passing through a first isolation grating and through a normally open contact of a relay KA11, and the secondary side of the transformer T2 is also connected with a variable resistor through a normally open contact of the relay KA11 and connected with an oil temperature sensor connector after passing through a temperature transmitter TSC and a single-channel isolation grating; the secondary side of the transformer T2 is connected with the pressure sensor through a normally open contact of the relay KA12 after passing through a second isolation gate; the secondary side of the transformer T2 is also connected with a third isolation grid CS3, and the output end of the third isolation grid CS3 is connected with a relay KA13; the external alternating current power supply is connected with the phase sequence relay after passing through the three-phase transformer; the external alternating current power supply is connected with the ZEV comprehensive protector after passing through a second circuit breaker CB2 and a large current generator, the input end of the current transformer is connected with the output end of the large current generator, and the output end of the current transformer is connected with the input end of the PLC; the pin I0.0 and the pin I0.1 of the PLC are connected with the pin L+ through the change-over switch SA1, and the pin Q0.0 and the pin Q0.1 of the PLC are connected with the pin 1L through the relay KA1 and the relay KA2 respectively; pins I0.2, I0.3, I0.4, I0.5, I0.6, I0.7, I1.0, I1.1, I1.2, I1.3, I1.4, I1.5 of the PLC are respectively connected with pin L+ through a button switch SB1, a button switch SB2, a button switch SB3, a button switch SB4, a button switch SB5, a button switch SB6, a button switch SB7, a button switch SB8, a button switch SB9, a button switch SB10, a button switch SB11, a button switch SB12, and a pin L+ of the PLC, and pins O0.2 and O0.3 of the PLC are respectively connected with pin 1L through a relay KA3 and a relay KA 4; the pins O0.4, O0.5, O0.6, O0.7 and O1.0 of the PLC are respectively connected with the pin 2L through the relay KA5, the relay KA6, the relay KA7, the relay KA8 and the relay KA 9; the pins O1.1, O1.2, O1.4, O1.5 and O1.6 of the PLC are respectively connected with the pin 3L through the relay KT1, the relay KT2, the relay KA11, the relay KA12 and the relay KA13; and a pin I2.6 and a pin I2.7 of the PLC are respectively connected with a pin L+ through a normally open contact and a normally closed contact of the phase sequence relay.
The inlet bolter electrical element testing device further comprises a second power module, wherein the input end of the second power module is connected with an external alternating current power supply through a second circuit breaker CB2, and the output end outputs 24V and 15V direct current voltages to supply power to the current transformer.
The electric element testing device of the inlet bolter further comprises a gain DIP setting switch, and the output end of the circuit transformer is connected with the input end of the PLC after passing through the gain DIP setting switch.
An import roof bolter electrical component testing arrangement, still include voltage regulator T1 and contactor KM, voltage regulator T1's primary side is connected with external alternating current power supply through circuit breaker MB1, voltage regulator T1's secondary side is connected with contactor KM's coil, contactor KM's main contact sets up between test circuit and the circuit breaker MB 1.
The alternating current power supply output port comprises a 110VAC output port, a12 VAC output port and a 36VAC output port, wherein the 12VAC output port is used for being connected with an illuminating lamp and a fluorescent lamp to be detected, the 36VAC output port is used for being connected with an electric bell to be detected, 12VAC voltage output by a secondary side of the transformer T2 is connected with the 12VAC output port through a normally open contact of a relay KA1, and 36VAC voltage output by the secondary side of the transformer T2 is connected with the 36VAC output port through a normally open contact of a relay KA 3.
Compared with the prior art, the invention has the following beneficial effects: the invention can detect the operation condition of the electric element of the inlet anchoring machine by simulating the operation test of the anchoring machine, can realize the detection of the isolation grating, the temperature transmitter, the power module, the display, the phase sequence relay, the current transformer, the fluorescent lamp, the lighting lamp, the voice alarm, the gas power-off instrument and the like, avoids the condition that the electric element needs to be debugged by a machine, realizes the load detection of part of electric elements, such as an intermediate relay, and avoids the inaccuracy of no-load operation.
Drawings
FIG. 1 is a schematic circuit diagram of an inlet bolter electrical component testing apparatus according to the present invention;
FIG. 2 is a schematic diagram of circuit connection of a PLC in the present invention;
FIG. 3 is a schematic diagram showing the connection of a gain DIP setting switch;
fig. 4 is a schematic diagram of circuit connection of a normally open contact of the relay of the present invention;
fig. 5 is a schematic diagram of circuit connection of a normally closed contact of the relay of the present invention;
FIG. 6 is a schematic structural diagram of a test panel according to the present invention;
fig. 7 is a schematic view of the outline structure of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the embodiment of the invention provides an electric element testing device of an inlet roof bolter, which comprises a box body 1, wherein a testing circuit is arranged in the box body, and a testing panel 2 and a display 3 are arranged on the box body.
As shown in fig. 1 and 2, the test circuit includes a PLC programmable controller, a transformer T2, a high current generator, a current transformer, a first power module, a first circuit breaker CB1, a second circuit breaker CB2, a three-phase transformer, a ZEV integrated protector, a single-channel isolation barrier, a variable resistor, a two-channel isolation barrier, a first isolation barrier, a second isolation barrier, a third isolation barrier, a temperature transmitter TSC, a relay KA1, a relay KA2, a relay KA3, a relay KA4, a relay KA5, a relay KA6, a relay KA7, a relay KA8, a relay KA9, a relay KA11, a relay KA12, a relay KA13, a relay KT1, a relay KT2, and a phase sequence relay;
as shown in fig. 1, an external 380V three-phase ac power supply is connected with a primary side of a transformer T2, a secondary side of the transformer T2 outputs 110V ac voltage, the transformer T2 is connected with an input end of a first power supply module after passing through a first circuit breaker CB2, an output end of the first power supply module is connected with a buzzer and an indicator lamp after passing through the two-channel isolation grating, an output end of the first power supply is also connected with an oil level sensor after passing through the first isolation grating and through a normally open contact of a relay KA11, and a secondary side of the transformer T2 is also connected with a variable resistor through a normally open contact of the relay KA11 and connected with an oil temperature sensor connector after passing through a temperature transmitter TSC and a single-channel isolation grating; the secondary side of the transformer T2 is connected with the pressure sensor through a normally open contact of the relay KA12 after passing through a second isolation gate; the secondary side of the transformer T2 is also connected with a third isolation grid CS3, and the output end of the third isolation grid CS3 is connected with a relay KA13; the external 380V three-phase alternating current power supply is connected with the phase sequence relay after passing through a three-phase transformer; the external 380V three-phase alternating current power supply is connected with the ZEV integrated protector after passing through the second circuit breaker CB2 and the large current generator, the three-phase current transformer comprises current transformers TA1, TA2 and TA3, the input ends of the current transformers TA1, TA2 and TA3 are respectively connected with the three-phase output end of the large current generator, and the output ends of the current transformers TA1, TA2 and TA3 are connected with the input end of the PLC programmable controller.
As shown in fig. 2, a pin I0.0 and a pin I0.1 of the PLC programmable controller are connected with a pin l+ through the switch SA1, and a pin Q0.0 and a pin Q0.1 of the PLC programmable controller are connected with a pin 1L through a relay KA1 and a relay KA2, respectively; pins I0.2, I0.3, I0.4, I0.5, I0.6, I0.7, I1.0, I1.1, I1.2, I1.3, I1.4, I1.5 of the PLC are respectively connected with pin L+ through a button switch SB1, a button switch SB2, a button switch SB3, a button switch SB4, a button switch SB5, a button switch SB6, a button switch SB7, a button switch SB8, a button switch SB9, a button switch SB10, a button switch SB11, a button switch SB12, and a pin L+ of the PLC, and pins O0.2 and O0.3 of the PLC are respectively connected with pin 1L through a relay KA3 and a relay KA 4; the pins O0.4, O0.5, O0.6, O0.7 and O1.0 of the PLC are respectively connected with the pin 2L through the relay KA5, the relay KA6, the relay KA7, the relay KA8 and the relay KA 9; the pins O1.1, O1.2, O1.4, O1.5 and O1.6 of the PLC are respectively connected with the pin 3L through the relay KT1, the relay KT2, the relay KA11, the relay KA12 and the relay KA13; and a pin I2.6 and a pin I2.7 of the PLC are respectively connected with a pin L+ through a normally open contact and a normally closed contact of the phase sequence relay. In addition, the display is connected with the output end of the PLC.
The device for testing the electrical element of the inlet bolter further comprises a gain DIP setting switch, as shown in fig. 3, the output ends of the current transformers TA1, TA2 and TA3 are respectively connected with the input end of the gain DIP setting switch, and the output end of the gain DIP setting switch is connected with the input end of the PLC programmable controller.
Further, as shown in fig. 1, the electrical element testing device for the inlet bolter of the embodiment further comprises a second power module, wherein the input end of the second power module is connected with an external 380V three-phase alternating current power supply through a second circuit breaker CB2, and the output end outputs 24V and 15V direct current voltages to supply power to the current transformer.
Further, as shown in fig. 1, the electrical element testing device for the inlet bolter of the embodiment further includes a voltage regulator T1 and a contactor KM, wherein a primary side of the voltage regulator T1 is connected with an external 380V three-phase ac power supply through a circuit breaker MB1, a secondary side of the voltage regulator T1 is connected with a coil of the contactor KM, and a main contact of the contactor KM is disposed between the testing circuit and the circuit breaker MB 1.
As shown in fig. 4 and 5, a circuit connection schematic diagram of a normally open contact and a normally closed contact of the relay according to the present invention is shown; the normally open contact of each relay is connected in series and then at two ends of an alternating current power supply, the normally closed contact of each relay is connected in series and then at two ends of the alternating current power supply, and the normally closed contact can be opened from the figure, and when the relay is tested, the performance of the relay can be observed through a normally open contact signal lamp L2 and a normally closed contact signal lamp L3 respectively.
As shown in fig. 6, in this embodiment, the test panel is provided with a plurality of ac power output ports and a plurality of dc power output ports, and a scram button JT, a switch SA1, a button switch SB2, a button switch SB3, a button switch SB4, a button switch SB5, a button switch SB6, a button switch SB7, a button switch SB8, a button switch SB9, a button switch SB10, a button switch SB11, a button switch SB12, an oil level sensor connection port, an oil temperature sensor connection port, and a pressure sensor connection port; the alternating current power supply output port comprises a 110VAC output port, a12 VAC output port and a 36VAC output port, wherein the 12VAC output port is used for being connected with an illuminating lamp to be detected and a fluorescent lamp, the 36VAC output port is used for being connected with an electric bell to be detected, 12VAC voltage output by the secondary side of the transformer T2 is connected with the 12VAC output port through a normally open contact of a relay KA1, and 36VAC voltage output by the secondary side of the transformer T2 is connected with the 36VAC output port through a normally open contact of a relay KA 3. In addition, the dc power output ports include a 24VDC output port and a 15VDC output port, the 24VDC output port and the 15VDC output port being connected to the output of the second power block for powering the current transformers TA1, TA2 and TA 3.
FIG. 7 is a schematic diagram showing the external structure of an electrical component testing device for an inlet bolter according to an embodiment of the present invention; the device comprises a box body 1, wherein a test panel 2 and a display 3 are arranged on the surface above the box body 1, and a containing space is arranged in the box body and used for containing a test circuit and related electric elements.
The testing process of the invention is as follows:
(1) Before testing, the output voltage of the secondary side of the voltage regulator T1 is regulated, and whether the main contact of the contactor KM can be reliably attracted or not is observed.
(2) The test panel up-conversion switch SA is a lamp and bell test change-over switch, when in detection, the lamp to be detected and the bell are respectively connected with a12 VAC output port and a 36VAC output port on the test panel, when the change-over switch SA is switched on to a lamp test gear, an I0.0 input closing point signal, a Q0.0 output, a KA1 relay coil are electrified, a normally open auxiliary contact is closed, a KA1 normally open auxiliary contact is connected with an AC12V lamp detection loop, and an AC12V output is used for detecting the lamp state. And when SA1 is applied to the bell testing gear, detecting the bell in the same way.
(3) SB1~ SB9 are relay test button on the testing arrangement panel, when pressing SB1, I0.2 input close point signal, Q0.2 output, KA3 relay coil gets the electricity, and its normally open auxiliary contact is closed, and normally open, normally closed contact switch-on signal lamp, judge relay KA3 whether through the bright and dark of observation signal lamp. Therefore, the relay KA3 can be detected by connecting the relay KA3 to the test circuit, and the detection result is displayed through the display, so that other relays can be detected in the same way.
(4) SB10, SB11, SB12 are barrier test button on the testing arrangement panel, when pressing SB11, I1.4 input close point signal, Q1.5 output, KA12 relay coil gets the electricity, and its normally open auxiliary contact is closed, CS2 input 3 close point signals, with CS2 output signal feedback to PLC and signal lamp, through the on-display status display and the on-off judgement CS2 of signal lamp. The CS1, TSC, CS3 states are detected similarly.
(5) JT on the panel of the testing device is an emergency stop button for stopping in an emergency state.
(6) The adjusting button of the variable resistor R is arranged on the test panel, the adjusting range is 0-200Ω, when the button switch SB10 is pressed down, the variable resistor R is rotated, the resistance value of 0-200Ω is input, the temperature change of the oil tank is simulated, and the temperature transmitter TSC and the single-channel isolation grid Z954 are judged to be good or bad through the state display on the display.
(7) The power ports on the panel of the testing device are AC110V, AC36V, AC12V, DC V, DC V, and are respectively the power ports of a gas power-off instrument, an electric bell, a lamp (an illuminating lamp and a fluorescent lamp), a buzzer, a red-yellow indicator lamp and a current sensor. The low oil level, the ultra-low oil level and the oil temperature port are externally connected with an oil temperature and oil level switch and are used for detecting the oil temperature and the oil level.
(8) The three-phase heavy current generator outputs 0-500A adjustable three-phase current, the current sensor outputs voltage signals to be fed back to the PLC, and the quality of the current sensor is judged through state display on the display. And similarly, detecting the comprehensive protector.
(9) The 380V three-phase power supply is converted into 110V three-phase voltage through a three-phase transformer and outputs, the output voltage is connected to a phase sequence relay, an auxiliary contact of the relay is connected to a PLC, and the quality of the phase sequence relay is judged through state display on a display.
The electrical element testing device of the anchoring machine has the following advantages from the major repair of equipment:
(1) The practicability is strong: through the simulated loading test, the utilization rate of the old electric parts is improved, the overhaul cost is greatly reduced, the operation reliability of the electric control system is improved, and the failure rate of equipment is reduced.
(2) The pertinence is strong: the test device is specially aimed at the electric elements of the inlet anchoring machine, and goes deep into various electric elements.
(3) The functions are comprehensive: the testing device can test the electrical elements which frequently fail in the field of the inlet roof bolter motor, comprehensively improves the overhaul quality, improves the detection process of key electrical accessories of the inlet roof bolter, and enables the detection of the key electrical accessories to be more accurate and rapid.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. The utility model provides an import roof bolter electrical component testing arrangement, its characterized in that includes the box, be provided with test circuit in the box, be provided with test panel and display on the box, be provided with a plurality of alternating current power supply output ports and a plurality of direct current power supply output ports on the test panel, change over switch SA1, button switch SB2, button switch SB3, button switch SB4, button switch SB5, button switch SB6, button switch SB7, button switch SB8, button switch SB9, button switch SB10, button switch SB11, button switch SB12, oil level sensor connector, oil temperature sensor connection, pressure sensor connector, the testing circuit comprises a PLC programmable controller, a transformer T2, a large-current generator, a current transformer, a first power module, a first circuit breaker CB1, a second circuit breaker CB2, a three-phase transformer, a ZEV integrated protector, a single-channel isolation grating, a variable resistor, a two-channel isolation grating, a first isolation grating, a second isolation grating, a third isolation grating, a temperature transmitter TSC, a relay KA1, a relay KA2, a relay KA3, a relay KA4, a relay KA5, a relay KA6, a relay KA7, a relay KA8, a relay KA9, a relay KA11, a relay KA12, a relay KA13, a relay KT1, a relay KT2 and a phase sequence relay;
the external alternating current power supply is connected with the primary side of a transformer T2, the secondary side of the transformer T2 outputs 110V alternating current voltage, the 110V alternating current voltage is connected with the input end of a first power supply module after passing through a first circuit breaker CB1, the output end of the first power supply module is connected with a buzzer and an indicator lamp after passing through a two-channel isolation grating, the output end of the first power supply is also connected with an oil level sensor after passing through a first isolation grating and through a normally open contact of a relay KA11, and the secondary side of the transformer T2 is also connected with a variable resistor through a normally open contact of the relay KA11 and connected with an oil temperature sensor connector after passing through a temperature transmitter TSC and a single-channel isolation grating; the secondary side of the transformer T2 is connected with the pressure sensor through a normally open contact of the relay KA12 after passing through a second isolation gate; the secondary side of the transformer T2 is also connected with a third isolation grid CS3, and the output end of the third isolation grid CS3 is connected with a relay KA13; the external alternating current power supply is connected with the phase sequence relay after passing through the three-phase transformer; the external alternating current power supply is connected with the ZEV comprehensive protector after passing through a second circuit breaker CB2 and a large current generator, the input end of the current transformer is connected with the output end of the large current generator, and the output end of the current transformer is connected with the input end of the PLC;
the pin I0.0 and the pin I0.1 of the PLC are connected with the pin L+ through the change-over switch SA1, and the pin Q0.0 and the pin Q0.1 of the PLC are connected with the pin 1L through the relay KA1 and the relay KA2 respectively; pins I0.2, I0.3, I0.4, I0.5, I0.6, I0.7, I1.0, I1.1, I1.2, I1.3, I1.4, I1.5 of the PLC are respectively connected with pin L+ through a button switch SB1, a button switch SB2, a button switch SB3, a button switch SB4, a button switch SB5, a button switch SB6, a button switch SB7, a button switch SB8, a button switch SB9, a button switch SB10, a button switch SB11, a button switch SB12, and a pin L+ of the PLC, and pins O0.2 and O0.3 of the PLC are respectively connected with pin 1L through a relay KA3 and a relay KA 4; the pins O0.4, O0.5, O0.6, O0.7 and O1.0 of the PLC are respectively connected with the pin 2L through the relay KA5, the relay KA6, the relay KA7, the relay KA8 and the relay KA 9; the pins O1.1, O1.2, O1.4, O1.5 and O1.6 of the PLC are respectively connected with the pin 3L through the relay KT1, the relay KT2, the relay KA11, the relay KA12 and the relay KA13; and a pin I2.6 and a pin I2.7 of the PLC are respectively connected with a pin L+ through a normally open contact and a normally closed contact of the phase sequence relay.
2. The inlet bolter electrical element testing device according to claim 1, further comprising a second power module, wherein an input end of the second power module is connected with an external alternating current power supply through a second circuit breaker CB2, and an output end outputs 24V and 15V direct current voltages to supply power to the current transformer.
3. The inlet bolter electrical element testing device according to claim 1, further comprising a gain DIP setting switch, wherein the output end of the current transformer is connected with the input end of the PLC programmable controller after passing through the gain DIP setting switch.
4. The inlet bolter electrical component testing device according to claim 1, further comprising a voltage regulator T1 and a contactor KM, wherein a primary side of the voltage regulator T1 is connected to an external ac power supply via a circuit breaker MB1, a secondary side of the voltage regulator T1 is connected to a coil of the contactor KM, and a main contact of the contactor KM is disposed between the testing circuit and the circuit breaker MB 1.
5. The inlet bolter electrical element testing device according to claim 1, wherein the ac power output port comprises a 110VAC output port, a12 VAC output port, and a 36VAC output port, the 12VAC output port is used for connecting an illumination lamp and a fluorescent lamp to be detected, the 36VAC output port is used for connecting an electric bell to be detected, the 12VAC voltage output from the secondary side of the transformer T2 is connected to the 12VAC output port via a normally open contact of the relay KA1, and the 36VAC voltage output from the secondary side of the transformer T2 is connected to the 36VAC output port via a normally open contact of the relay KA 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862207.8A CN109001575B (en) | 2018-08-01 | 2018-08-01 | Electric element testing device of inlet roof bolter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810862207.8A CN109001575B (en) | 2018-08-01 | 2018-08-01 | Electric element testing device of inlet roof bolter |
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| CN109001575A CN109001575A (en) | 2018-12-14 |
| CN109001575B true CN109001575B (en) | 2024-04-12 |
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| CN (1) | CN109001575B (en) |
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| CN109001575A (en) | 2018-12-14 |
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