CN108918925A - Test power supply for coalcutter electric components - Google Patents
Test power supply for coalcutter electric components Download PDFInfo
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- CN108918925A CN108918925A CN201811109244.8A CN201811109244A CN108918925A CN 108918925 A CN108918925 A CN 108918925A CN 201811109244 A CN201811109244 A CN 201811109244A CN 108918925 A CN108918925 A CN 108918925A
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000005611 electricity Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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Abstract
The present invention provides a kind of test power supply for coalcutter electric components, belongs to electric components detection field, with solve the problems, such as when testing coalcutter electric components at present there are it is time-consuming and laborious, easily cause electric components to damage.The present invention passes through setting 0-220V AC power supplies output circuit, 0-110V AC power supplies output circuit, 0-24V DC power supply output circuit and 0-12V DC power supply output circuit, and slide rheostat and switching switch are set in each power output circuit, make its both exportable 220V AC, 110V AC, 24V DC and 12V tetra- kinds of voltage class of DC constant-voltage, also the adjustable voltage of exportable 0-220V AC, 0-110V AC, 0-24V DC and 0-12V DC, makes that it is suitable for a plurality of types of electric components of coalcutter.When testing the electric components of coalcutter, it is only necessary to which being connected on corresponding socket according to their voltage requirements can be realized, not only easy to operate, it is time saving and energy saving, and it is not necessarily to being dismounted for multiple times, it is avoided that damage electric components, it is ensured that come into operation again after test is errorless.
Description
Technical field
The present invention relates to coalcutter electric components detection technique fields, more particularly to one kind is for electrical-mechanical member device of mining
The test power supply of part.
Background technique
Each electric components of coalcutter electric control system include various relays, contactor, protective module, control mould
Block, detection module, power module, filter module, communication module etc., their voltage class be divided into AC220V, AC110V,
DC24V and DC12V.To ensure that coalcutter can operate normally, it is often necessary to be carried out to the various electric components on coalcutter
Test.
Complete machine is generallyd use when testing the electric components on coalcutter due to the shortage of means of testing at present
The method of test, i.e. coal mining electrical-mechanical system check failure after being installed one by one again, replace the electrical of damage again Ru faulty
Component.This test method has the disadvantage that：(1) due to difficulty for the more other equipment of the installation of coal mining electrical-mechanical system
Greatly more are wanted, therefore it is time-consuming and laborious to install the mode tested again；(2) electrical member need to be disconnected repeatedly when electric fault is checked
Device easily causes the damage of these electric components in this way；(3) performance of electric components is unstable, is good or bad, this
Sizable difficulty is caused to the investigation of underground electric fault, be easy to cause certain electric components " going into the well in spite of illness "；(4) at present
General test power supply can only carry out direct voltage output on the market, cannot test the alternating-current electric member in coal mining electrical-mechanical system
Device；(usually in 10A or less), it is not suitable for testing coal mining electrical-mechanical system in addition, test power supply output capacity on the market is small
High-power electrical component in system, operating process is easy overvoltage, to damage electric components.
Summary of the invention
Present invention aim to address the mode of current test coalcutter electric components there are it is time-consuming and laborious, be easy to cause
It is electromechanical that electric components damage, certain electric components is be easy to cause to go into the well in spite of illness, current test power supply is not suitable for mining
The technical issues of gas component, provides a kind of test power supply for coalcutter electric components.
In order to solve the above technical problems, the technical solution adopted by the present invention is that：
A kind of test power supply for coalcutter electric components comprising 0-220VAC power output circuit, 0-
110VAC power output circuit, 0-24V DC power supply output circuit and 0-12V DC power supply output circuit；The 0-220VAC electricity
Source follower circuit includes power switch SW1, switching switch SW5, slide rheostat VR1, insurance F1, A.C. voltmeter V1, exchange
Ammeter A1 and socket X1；0-110VAC power output circuit includes power switch SW2, transformer T, switching switch SW6, sliding
Rheostat VR2, insurance F2, A.C. voltmeter V2, alternating current ammeter A2 and socket X2；0-24V DC power supply output circuit includes electricity
Source switch SW3,24V Switching Power Supply K1, switching switch SW7, slide rheostat VR3, insurance F3, D.C. voltmeter V3, direct current
Flow table A3 and socket X3；0-12V DC power supply output circuit include power switch SW4,12V Switching Power Supply K2, switching switch SW8,
Slide rheostat VR4, insurance F4, D.C. voltmeter V4, DC ammeter A4 and socket X4；
One end of first group of switch of the power switch SW1 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW1 are opened with first group of switching switch SW5
The the first movable contact connection closed, switches the second movable contact of first group of switch of switch SW5 and the sliding end of slide rheostat VR1
Connection, the both ends of slide rheostat VR1 are another with the other end of first group of switch of power switch SW1 and second group of switch respectively
One end connection, the stationary contact for switching first group of switch of switch SW5 are connect with one end of insurance F1, insure the other end and the friendship of F1
One end of galvanic electricity flow table A1 connects, and the other end of alternating current ammeter A1 is connect with the first socket of socket X1；Power switch SW1's
The other end of second group of switch is connect with the first movable contact of second group of switch of switching switch SW5 and the second movable contact, is switched
The stationary contact of second group of switch of switch SW5 is connect with the second socket of socket X1, the both ends of A.C. voltmeter V1 respectively with guarantor
The other end of dangerous F1 is connected with the stationary contact of second group of switch of switching switch SW5；
One end of first group of switch of the power switch SW2 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW2 and the other end point of second group of switch
It is not connect with the first input end of transformer T and the second input terminal, the of the first output end of transformer T and switching switch SW6
The first movable contact connection of one group of switch switches the second movable contact of first group of switch of switch SW6 with slide rheostat VR2's
Sliding end connection, the both ends of slide rheostat VR2 are connect with the first output end and second output terminal of transformer T respectively, are switched
The stationary contact of first group of switch of switch SW6 is connect with one end of insurance F2, insures the other end of F2 with alternating current ammeter A2's
One end connection, the other end of alternating current ammeter A2 are connect with the first socket of socket X2；The second output terminal and switching of transformer T
First movable contact of second group of switch of switch SW6 and the connection of the second movable contact, switch the stationary contact of second group of switch of switch SW6
Point connect with the second socket of socket X2, the both ends of A.C. voltmeter V2 respectively with insure F2 the other end and switch switch SW6
Second group of switch stationary contact connection；
One end of first group of switch of the power switch SW3 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW3 and the other end point of second group of switch
It is not connect with the first input end of 24V Switching Power Supply K1 and the second input terminal, the first output end of 24V Switching Power Supply K1 and switching
First movable contact of first group of switch of switch SW7 connects, and switches the second movable contact and the sliding of first group of switch of switch SW7
The sliding end of rheostat VR3 connects, the both ends of slide rheostat VR3 respectively with the first output end of 24V Switching Power Supply K1 and the
The connection of two output ends, the stationary contact for switching first group of switch of switch SW7 are connect with one end of insurance F3, insure the other end of F3
It is connect with the anode of DC ammeter A3, the cathode of DC ammeter A3 is connect with the first socket of socket X3；24V Switching Power Supply
The second output terminal of K1 is connect with the first movable contact of second group of switch of switching switch SW7 and the second movable contact, switching switch
The stationary contact of second group of switch of SW7 is connect with the second socket of socket X3, D.C. voltmeter V3 anode and cathode respectively with
The other end for insuring F3 is connected with the stationary contact of second group of switch of switching switch SW7；
One end of first group of switch of the power switch SW4 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW4 and the other end point of second group of switch
It is not connect with the first input end of 12V Switching Power Supply K2 and the second input terminal, the first output end of 12V Switching Power Supply K2 and switching
First movable contact of first group of switch of switch SW8 connects, and switches the second movable contact and the sliding of first group of switch of switch SW8
The sliding end of rheostat VR4 connects, the both ends of slide rheostat VR4 respectively with the first output end of 12V Switching Power Supply K2 and the
The connection of two output ends, the stationary contact for switching first group of switch of switch SW8 are connect with one end of insurance F4, insure the other end of F4
It is connect with the anode of DC ammeter A4, the cathode of DC ammeter A4 is connect with the first socket of socket X4；12V Switching Power Supply
The second output terminal of K2 is connect with the first movable contact of second group of switch of switching switch SW8 and the second movable contact, switching switch
The stationary contact of second group of switch of SW8 is connect with the second socket of socket X4, D.C. voltmeter V4 anode and cathode respectively with
The other end for insuring F4 is connected with the stationary contact of second group of switch of switching switch SW8.
It optionally, further include circuit breaker Q for the test power supply of coalcutter electric components, the circuit breaker Q is set to
Between power switch SW1 and 220VAC.
Optionally, the range of the A.C. voltmeter V1 is 250V, and the range of alternating current ammeter A1 is 20A；Alternating voltage
The range of Table V 2 is 150V, and the range of alternating current ammeter A2 is 20A；The range of D.C. voltmeter V3 is 30V, DC ammeter A3
Range be 20A；The range of D.C. voltmeter V4 is 15V, and the range of DC ammeter A4 is 20A.
The beneficial effects of the invention are as follows：
Pass through setting 0-220VAC power output circuit, 0-110VAC power output circuit, 0-24V DC power supply output electricity
Road and 0-12V DC power supply output circuit, and slide rheostat and switching switch are set in each power output circuit, so that
The present invention can both export the constant-voltage of 220VAC, 110VAC, 24V DC and tetra- kinds of voltage class of 12V DC, can also export
The adjustable voltage of 0-220VAC, 0-110VAC, 0-24V DC and 0-12V DC, so as to can be adapted for coalcutter a variety of for the invention
The electric components of type.When testing the electric components of coalcutter, it is only necessary to be connected to correspondence according to their voltage requirements
Socket on can be realized, it is not only easy to operate, it is time saving and energy saving, and be not necessarily to being dismounted for multiple times, can be avoided the electrical first device of damage
Part, it is ensured that electric components come into operation again after test is errorless, so as to avoid electric components from going into the well in spite of illness.By setting
Voltmeter and ammeter are set, so that test process can be convenient the operating voltage and operating current for observing electric components, is matched
The electric property of electrical component can easily be tested out by closing multimeter, so as to improve testing efficiency, shorten the testing time, drop
The electric fault rate of low electric components.By be arranged multiple power supplies output circuit, allow the invention to export it is high-power, into
And the high-power electrical component of coalcutter can be suitable for.Therefore, compared with the background art, the present invention have structure it is simple,
Test operation is simple and convenient, it is safe and reliable, at low cost, stable and reliable for performance, can be improved testing efficiency, be less likely to be damaged it is electrical
Component avoids electric components from going into the well in spite of illness, can be improved testing efficiency, shortens the testing time, reduces electric components
Electric fault rate can export the advantages that high-power electrical component that is high-power and can be used for testing coalcutter.
Detailed description of the invention
Fig. 1 is composed structure schematic diagram of the invention.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
As shown in Figure 1, the test power supply for coalcutter electric components in the present embodiment, including 0-220VAC power supply
Output circuit, 0-110VAC power output circuit, 0-24V DC power supply output circuit and 0-12VDC power output circuit；It is described
0-220VAC power output circuit includes power switch SW1, switching switch SW5, slide rheostat VR1, insurance F1, alternating voltage
Table V 1, alternating current ammeter A1 and socket X1；0-110VAC power output circuit includes power switch SW2, transformer T, switches and open
Close SW6, slide rheostat VR2, insurance F2, A.C. voltmeter V2, alternating current ammeter A2 and socket X2；The output of 0-24VDC power supply
Circuit includes power switch SW3,24V Switching Power Supply K1, switching switch SW7, slide rheostat VR3, insurance F3, D.C. voltmeter
V3, DC ammeter A3 and socket X3；0-12V DC power supply output circuit includes power switch SW4,12V Switching Power Supply K2, cuts
Change switch SW8, slide rheostat VR4, insurance F4, D.C. voltmeter V4, DC ammeter A4 and socket X4；
One end of first group of switch of the power switch SW1 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW1 are opened with first group of switching switch SW5
The the first movable contact connection closed, switches the second movable contact of first group of switch of switch SW5 and the sliding end of slide rheostat VR1
Connection, the both ends of slide rheostat VR1 are another with the other end of first group of switch of power switch SW1 and second group of switch respectively
One end connection, the stationary contact for switching first group of switch of switch SW5 are connect with one end of insurance F1, insure the other end and the friendship of F1
One end of galvanic electricity flow table A1 connects, and the other end of alternating current ammeter A1 is connect with the first socket of socket X1；Power switch SW1's
The other end of second group of switch is connect with the first movable contact of second group of switch of switching switch SW5 and the second movable contact, is switched
The stationary contact of second group of switch of switch SW5 is connect with the second socket of socket X1, the both ends of A.C. voltmeter V1 respectively with guarantor
The other end of dangerous F1 is connected with the stationary contact of second group of switch of switching switch SW5；
One end of first group of switch of the power switch SW2 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW2 and the other end point of second group of switch
It is not connect with the first input end of transformer T and the second input terminal, the of the first output end of transformer T and switching switch SW6
The first movable contact connection of one group of switch switches the second movable contact of first group of switch of switch SW6 with slide rheostat VR2's
Sliding end connection, the both ends of slide rheostat VR2 are connect with the first output end and second output terminal of transformer T respectively, are switched
The stationary contact of first group of switch of switch SW6 is connect with one end of insurance F2, insures the other end of F2 with alternating current ammeter A2's
One end connection, the other end of alternating current ammeter A2 are connect with the first socket of socket X2；The second output terminal and switching of transformer T
First movable contact of second group of switch of switch SW6 and the connection of the second movable contact, switch the stationary contact of second group of switch of switch SW6
Point connect with the second socket of socket X2, the both ends of A.C. voltmeter V2 respectively with insure F2 the other end and switch switch SW6
Second group of switch stationary contact connection；
One end of first group of switch of the power switch SW3 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW3 and the other end point of second group of switch
It is not connect with the first input end of 24V Switching Power Supply K1 and the second input terminal, the first output end of 24V Switching Power Supply K1 and switching
First movable contact of first group of switch of switch SW7 connects, and switches the second movable contact and the sliding of first group of switch of switch SW7
The sliding end of rheostat VR3 connects, the both ends of slide rheostat VR3 respectively with the first output end of 24V Switching Power Supply K1 and the
The connection of two output ends, the stationary contact for switching first group of switch of switch SW7 are connect with one end of insurance F3, insure the other end of F3
It is connect with the anode of DC ammeter A3, the cathode of DC ammeter A3 is connect with the first socket of socket X3；24V Switching Power Supply
The second output terminal of K1 is connect with the first movable contact of second group of switch of switching switch SW7 and the second movable contact, switching switch
The stationary contact of second group of switch of SW7 is connect with the second socket of socket X3, D.C. voltmeter V3 anode and cathode respectively with
The other end for insuring F3 is connected with the stationary contact of second group of switch of switching switch SW7；
One end of first group of switch of the power switch SW4 and one end of second group of switch respectively with 220VAC first
Input terminal and the connection of the second input terminal, the other end of first group of switch of power switch SW4 and the other end point of second group of switch
It is not connect with the first input end of 12V Switching Power Supply K2 and the second input terminal, the first output end of 12V Switching Power Supply K2 and switching
First movable contact of first group of switch of switch SW8 connects, and switches the second movable contact and the sliding of first group of switch of switch SW8
The sliding end of rheostat VR4 connects, the both ends of slide rheostat VR4 respectively with the first output end of 12V Switching Power Supply K2 and the
The connection of two output ends, the stationary contact for switching first group of switch of switch SW8 are connect with one end of insurance F4, insure the other end of F4
It is connect with the anode of DC ammeter A4, the cathode of DC ammeter A4 is connect with the first socket of socket X4；12V Switching Power Supply
The second output terminal of K2 is connect with the first movable contact of second group of switch of switching switch SW8 and the second movable contact, switching switch
The stationary contact of second group of switch of SW8 is connect with the second socket of socket X4, D.C. voltmeter V4 anode and cathode respectively with
The other end for insuring F4 is connected with the stationary contact of second group of switch of switching switch SW8.
That is, 0-220VAC power output circuit, 0-110VAC power output circuit, 0-24V DC in the present invention
Power output circuit and 0-12V DC power supply output circuit are in parallel.
In this embodiment, the test power supply for coalcutter electric components in the present embodiment further includes circuit breaker Q,
The circuit breaker Q is set between power switch SW1 and 220VAC, to carry out overload protection to the present invention.
In this embodiment, the range of the A.C. voltmeter V1 is 250V, and the range of alternating current ammeter A1 is 20A；It hands over
The range of ampere-voltage meter V2 is 150V, and the range of alternating current ammeter A2 is 20A；The range of D.C. voltmeter V3 is 30V, direct current
The range of flow table A3 is 20A；The range of D.C. voltmeter V4 is 15V, and the range of DC ammeter A4 is 20A.
Wherein, switching switch SW5, switching switch SW6, switching switch SW7 and switching switch SW8 is six feet, two gear switch.
In the present invention, power switch SW1 is used to control the conducting and disconnection of 0-220VAC power output circuit；Socket X1 is for exporting 0-
220VAC；Slide rheostat VR1 is for being adjusted the socket X1 alternating voltage exported, the alternating voltage 0- for exporting it
A certain value between 220VAC；Switching switch SW5 is for cutting the voltage output mode of 0-220VAC power output circuit
Change, voltage output mode includes constant pressure and adjustable two kinds, when switching switch SW5 first group of switch and second group of switch the
When one movable contact is closed, 0-220VAC power output circuit exports 220VAC；When first group of switch and second of switching switch SW5
When the second movable contact closure of group switch, 0-220VAC power output circuit exports 0- according to the position of slide rheostat VR1
A certain voltage in 220VAC；Insure F1 to be used to carry out short-circuit protection to 0-220VAC power output circuit；A.C. voltmeter V1
The alternating voltage of output 0-220VAC power output circuit and the size of alternating current are respectively used to alternating current ammeter A1.Power supply
Switch SW2 is used to control the conducting and disconnection of 0-110VAC power output circuit；Socket X2 is for exporting 0-110VAC；Transformer
T is used to 220VAC being converted to 110VAC；Slide rheostat VR2 makes for the socket X2 alternating voltage exported to be adjusted
Its a certain value of alternating voltage exported between 0-110VAC；Switch switch SW6 to be used for 0-110VAC power output circuit
Voltage output mode switch over, voltage output mode includes constant pressure and adjustable two kinds, when first group of switching switch SW6
When the first movable contact of switch and second group of switch closure, 0-110VAC power output circuit exports 110VAC；When switching switchs
When the second movable contact of first group of switch of SW6 and second group of switch closure, 0-110VAC power output circuit becomes according to sliding
Hinder a certain voltage in the position output 0-110VAC of device VR2；It is short for carrying out to 0-110VAC power output circuit to insure F2
Road protection；A.C. voltmeter V2 and alternating current ammeter A2 be respectively used to output 0-110VAC power output circuit alternating voltage and
The size of alternating current.Power switch SW3 is used to control the conducting and disconnection of 0-24V DC power supply output circuit；Socket X3 is used for
Export 0-24V DC；24V Switching Power Supply K1 is used to 220VAC being converted to 24V DC；Slide rheostat VR3 is used for socket X3
The DC voltage of output is adjusted, a certain value between DC voltage 0-24V DC for exporting it；Switch switch SW7 to use
It is switched in the voltage output mode to 0-24V DC power supply output circuit, voltage output mode includes constant pressure and adjustable two
Kind, when the first movable contact of first group of switch for switching switch SW7 and second group of switch closure, 0-24V DC power supply output electricity
Road exports 24V DC；When switching the second movable contact closure of first group of switch of switch SW7 and second group of switch, 0-24V DC electricity
Source follower circuit exports a certain voltage in 0-24V DC according to the position of slide rheostat VR3；Insure F3 to be used for 0-24V
DC power supply output circuit carries out short-circuit protection；D.C. voltmeter V3 and DC ammeter A3 is respectively used to output 0-24VDC power supply
The DC voltage of output circuit and the size of DC current.Power switch SW4 is for controlling leading for 0-12VDC power output circuit
On and off is opened；Socket X4 is for exporting 0-12V DC；12V Switching Power Supply K2 is used to 220VAC being converted to 12V DC；Sliding becomes
Resistance device VR4 is for being adjusted the socket X4 DC voltage exported, between the DC voltage 0-12V DC for exporting it
A certain value；Switching switch SW8 is for switching over the voltage output mode of 0-12V DC power supply output circuit, voltage output
Mode includes constant pressure and adjustable two kinds, when first group of switch of switching switch SW8 and the first movable contact closure of second group of switch
When, 0-12V DC power supply output circuit exports 12V DC；Second when switching first group of switch of switch SW8 and second group of switch is dynamic
When contact closure, 0-12V DC power supply output circuit exports a certain electricity in 0-12V DC according to the position of slide rheostat VR4
Pressure；Insure F4 to be used to carry out short-circuit protection to 0-12V DC power supply output circuit；D.C. voltmeter V4 and DC ammeter A4 points
The DC voltage of 0-12V DC power supply output circuit and the size of DC current Yong Yu not exported.
To sum up, the present invention can export the voltage of 220VAC, 110VAC, 24V DC and tetra- kinds of voltage class of 12V DC, lead to
The voltage for crossing these four grades can test the various electric components of coal mining electrical-mechanical system.In addition, the present invention can also be defeated
The adjustable voltage of 0-220VAC, 0-110VAC, 0-24V DC and 0-12V DC out, by these voltages can with busy relay with
Whether the pick-up voltage and off voltage of contactor, sensitivity, pickup time and the turn-off time of busy relay movement reach
Electricity function index etc..
In the use of the present invention, when the supply voltage needed for needing electric components to be tested is 220VAC, control electricity
Source switch SW1 closure, and control switching switch SW5 first group of switch and second group of switch switch on the first movable contact,
Socket X1 exports 220VAC at this time, which is connect with socket X1 to test the electric components；When
When supply voltage needed for needing electric components to be tested is any voltage in 0-220VAC, control power switch SW1 is closed
Close, and control switching switch SW5 first group of switch and second group of switch switch on the second movable contact, adjustment slide variable resistance
The sliding end of device VR1 simultaneously observes the voltage value that A.C. voltmeter V1 is shown, when the voltage value reaches needed for the electric components
When voltage, socket X1 exports corresponding alternating current, which is connect with socket X1 can to the electric components into
Row test；When the supply voltage needed for needing electric components to be tested is 110VAC, control power switch SW2 closure, and
The first group of switch and second group of switch of control switching switch SW6 switches on the first movable contact, and socket X2 is exported at this time
110VAC, which is connect with socket X2 to test the electric components；It is to be tested electrical when needing
When supply voltage needed for component is any voltage in 0-110VAC, control power switch SW2 closure, and control switching and open
The first group of switch and second group of switch for closing SW6 switch on the second movable contact, adjust the sliding end of slide rheostat VR2 simultaneously
The voltage value that shows of observation A.C. voltmeter V2, when the voltage needed for the voltage value reaches the electric components, socket X2 is defeated
Corresponding alternating current out, which is connect with socket X2 to test the electric components；When needing to survey
When supply voltage needed for the electric components of examination is 24V DC, control power switch SW3 closure, and control switching switch SW7
First group of switch and second group of switch switch on the first movable contact, at this time socket X3 export 24V DC, by the electrical member
Device is connect with socket X3 to test the electric components；The electricity of the power supply needed for needing electric components to be tested
When pressure is any voltage in 0-24V DC, control power switch SW3 closure, and control first group of switch of switching switch SW7
It is switched on the second movable contact with second group of switch, adjust the sliding end of slide rheostat VR3 and observes D.C. voltmeter V3
The voltage value of display, when the voltage needed for the voltage value reaches the electric components, socket X3 exports corresponding direct current, will
The electric components are connect with socket X3 to test the electric components；Needed for need electric components to be tested
Supply voltage be 12V DC when, control power switch SW4 closure, and control switching switch SW8 first group of switch and second
Group switch switches on the first movable contact, and socket X4 exports 12V DC at this time, which is connect i.e. with socket X4
The electric components can be tested；The supply voltage needed for needing electric components to be tested is appointing in 0-12V DC
When one voltage, control power switch SW4 closure, and control switching switch SW8 first group of switch and second group of switch switch
To the second movable contact, adjusts the sliding end of slide rheostat VR4 and observe the voltage value that D.C. voltmeter V4 is shown, when the electricity
When voltage needed for pressure value reaches the electric components, socket X4 exports corresponding direct current, by the electric components and socket
X4 connection can test the electric components.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (3)
1. a kind of test power supply for coalcutter electric components, which is characterized in that including 0-220VAC power output circuit,
0-110VAC power output circuit, 0-24V DC power supply output circuit and 0-12V DC power supply output circuit；The 0-220VAC
Power output circuit includes power switch SW1, switching switch SW5, slide rheostat VR1, insurance F1, A.C. voltmeter V1, hands over
Galvanic electricity flow table A1 and socket X1；0-110VAC power output circuit includes power switch SW2, transformer T, switching switch SW6, cunning
Dynamic rheostat VR2, insurance F2, A.C. voltmeter V2, alternating current ammeter A2 and socket X2；0-24V DC power supply output circuit includes
Power switch SW3,24V Switching Power Supply K1, switching switch SW7, slide rheostat VR3, insurance F3, D.C. voltmeter V3, direct current
Ammeter A3 and socket X3；0-12V DC power supply output circuit includes power switch SW4,12V Switching Power Supply K2, switching switch
SW8, slide rheostat VR4, insurance F4, D.C. voltmeter V4, DC ammeter A4 and socket X4；
One end of first group of switch of the power switch SW1 and one end of second group of switch are inputted with the first of 220VAC respectively
End is connected with the second input terminal, first group of switch of the other end and switching switch SW5 of first group of switch of power switch SW1
The sliding end of the connection of first movable contact, the second movable contact and slide rheostat VR1 that switch first group of switch of switch SW5 connects
It connects, the both ends of slide rheostat VR1 are another with the other end of first group of switch of power switch SW1 and second group of switch respectively
End connection, the stationary contact for switching first group of switch of switch SW5 are connect with the one end for insuring F1, insure the other end of F1 with exchange
One end of ammeter A1 connects, and the other end of alternating current ammeter A1 is connect with the first socket of socket X1；The of power switch SW1
The other end of two groups of switches is connect with the first movable contact of second group of switch of switching switch SW5 and the second movable contact, and switching is opened
Close SW5 the stationary contact of second group of switch connect with the second socket of socket X1, the both ends of A.C. voltmeter V1 respectively with insurance
The other end of F1 is connected with the stationary contact of second group of switch of switching switch SW5；
One end of first group of switch of the power switch SW2 and one end of second group of switch are inputted with the first of 220VAC respectively
End is connected with the second input terminal, the other end of the other end of first group of switch of power switch SW2 and second group of switch respectively with
The first input end of transformer T and the connection of the second input terminal, first group of the first output end of transformer T and switching switch SW6
The first movable contact connection of switch, switches the sliding of the second movable contact and slide rheostat VR2 of first group of switch of switch SW6
End connection, the both ends of slide rheostat VR2 are connect with the first output end and second output terminal of transformer T respectively, switching switch
The stationary contact of first group of switch of SW6 is connect with one end of insurance F2, insures the other end of F2 and one end of alternating current ammeter A2
Connection, the other end of alternating current ammeter A2 are connect with the first socket of socket X2；The second output terminal of transformer T and switching switch
First movable contact of second group of switch of SW6 and the second movable contact connection, switch switch SW6 second group of switch stationary contact and
The second socket of socket X2 connects, the both ends of A.C. voltmeter V2 respectively with the other end of insurance F2 and switch the of switch SW6
The stationary contact connection of two groups of switches；
One end of first group of switch of the power switch SW3 and one end of second group of switch are inputted with the first of 220VAC respectively
End is connected with the second input terminal, the other end of the other end of first group of switch of power switch SW3 and second group of switch respectively with
The first input end of 24V Switching Power Supply K1 and the connection of the second input terminal, the first output end of 24V Switching Power Supply K1 and switching switch
First movable contact of first group of switch of SW7 connects, and switches the second movable contact and sliding variable resistance of first group of switch of switch SW7
The sliding end of device VR3 connects, and the both ends of slide rheostat VR3 are defeated with the first output end of 24V Switching Power Supply K1 and second respectively
Outlet connection, the stationary contact for switching first group of switch of switch SW7 are connect with one end of insurance F3, insure the other end of F3 with directly
The anode connection of galvanic electricity flow table A3, the cathode of DC ammeter A3 are connect with the first socket of socket X3；24V Switching Power Supply K1's
Second output terminal is connect with the first movable contact of second group of switch of switching switch SW7 and the second movable contact, switching switch SW7's
The stationary contact of second group of switch is connect with the second socket of socket X3, D.C. voltmeter V3 anode and cathode respectively with insure F3
The other end connected with the stationary contact of second group of switch of switching switch SW7；
One end of first group of switch of the power switch SW4 and one end of second group of switch are inputted with the first of 220VAC respectively
End is connected with the second input terminal, the other end of the other end of first group of switch of power switch SW4 and second group of switch respectively with
The first input end of 12V Switching Power Supply K2 and the connection of the second input terminal, the first output end of 12V Switching Power Supply K2 and switching switch
First movable contact of first group of switch of SW8 connects, and switches the second movable contact and sliding variable resistance of first group of switch of switch SW8
The sliding end of device VR4 connects, and the both ends of slide rheostat VR4 are defeated with the first output end of 12V Switching Power Supply K2 and second respectively
Outlet connection, the stationary contact for switching first group of switch of switch SW8 are connect with one end of insurance F4, insure the other end of F4 with directly
The anode connection of galvanic electricity flow table A4, the cathode of DC ammeter A4 are connect with the first socket of socket X4；12V Switching Power Supply K2's
Second output terminal is connect with the first movable contact of second group of switch of switching switch SW8 and the second movable contact, switching switch SW8's
The stationary contact of second group of switch is connect with the second socket of socket X4, D.C. voltmeter V4 anode and cathode respectively with insure F4
The other end connected with the stationary contact of second group of switch of switching switch SW8.
2. the test power supply according to claim 1 for coalcutter electric components, which is characterized in that further include open circuit
Device Q, the circuit breaker Q are set between power switch SW1 and 220VAC.
3. the test power supply according to claim 1 for coalcutter electric components, which is characterized in that the alternating current
The range for pressing Table V 1 is 250V, and the range of alternating current ammeter A1 is 20A；The range of A.C. voltmeter V2 is 150V, alternating current
The range of Table A 2 is 20A；The range of D.C. voltmeter V3 is 30V, and the range of DC ammeter A3 is 20A；D.C. voltmeter V4
Range be 15V, the range of DC ammeter A4 is 20A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811109244.8A CN108918925B (en) | 2018-09-21 | 2018-09-21 | Test power supply for electric components of coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811109244.8A CN108918925B (en) | 2018-09-21 | 2018-09-21 | Test power supply for electric components of coal mining machine |
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| CN108918925B CN108918925B (en) | 2023-11-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360594A (en) * | 2022-10-20 | 2022-11-18 | 江苏安世朗智能科技有限公司 | Intelligent power supply multi-loop output monitoring control device and method |
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| CN209028111U (en) * | 2018-09-21 | 2019-06-25 | 平朔工业集团有限责任公司 | Test power supply for coalcutter electric components |
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| CN115360594A (en) * | 2022-10-20 | 2022-11-18 | 江苏安世朗智能科技有限公司 | Intelligent power supply multi-loop output monitoring control device and method |
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| CN108918925B (en) | 2023-11-28 |
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Effective date of registration: 20210224 Address after: 036000 Pingshuo administrative and living area, Shuocheng District, Shuozhou City, Shanxi Province Applicant after: China Coal Pingshuo Development Group Co.,Ltd. Address before: 036000 Pingshuo living area, Shuocheng District, Shuozhou City, Shanxi Province Applicant before: PINGSHUO INDUSTRIAL GROUP Co.,Ltd. |
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