CN209942804U

CN209942804U - Novel electric drill jumbo control cabinet

Info

Publication number: CN209942804U
Application number: CN201920860889.9U
Authority: CN
Inventors: 李华茂
Original assignee: Shanghai Lidrill Information Technology Center
Current assignee: Shanghai Lidrill Information Technology Center
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-01-14
Anticipated expiration: 2029-06-10

Abstract

Novel electronic drill jumbo switch board, including switch board body, battery, still have wireless remote control board, wireless receiving circuit, temperature detect circuit, voltage detection circuit, first indicating circuit, second indicating circuit, switch and control relay, wireless receiving circuit, temperature detect circuit, voltage detect circuit, first indicating circuit, second indicating circuit, switch and control relay install on the circuit board to be connected through the wire with the battery. The utility model discloses have a key formula non-contact and start the diesel engine function, when the diesel engine needs to be started at every turn, only need press the start button of a wireless remote control board, and then the operator in the certain distance (including the driver's cabin), can realize that non-contact starts the diesel generator of electronic drill jumbo, can also be when diesel generator temperature rise is too high and output voltage takes place unusually, the diesel engine oil circuit of very first time disconnection, prevent that the diesel engine from continuing to drive the generator and rotate, and then cause the bigger trouble of generator.

Description

Novel electric drill jumbo control cabinet

Technical Field

The utility model relates to an electronic drill jumbo complete sets field, especially a novel electronic drill jumbo switch board.

Background

The electric rock drilling jumbo is also called drilling jumbo, is a rock drilling device for tunnel and underground engineering construction by adopting drilling and blasting method, and can move and support several rock drills to drill holes simultaneously. The electric drill jumbo comprises a track, a crawler, a spoke type jumbo and an excavating type jumbo. The electric drill jumbo mainly structurally comprises a drill boom, a frame, an electric travelling mechanism and other necessary auxiliary equipment. The electric drill jumbo needs to use a power supply during working, the power supply of a power transmission line is directly used at a place supplied by the power transmission line, and the electric drill jumbo needs to be provided with a diesel generator in a working area without the power transmission line. For starting the diesel generator and turning on and off the power supply output by the diesel generator, the electric drill jumbo is provided with a control cabinet, and a starting control circuit, various control power switches, a leakage protector and the like of the diesel generator are installed in the control cabinet, so that the normal work of the electric drill jumbo is ensured.

When a diesel generator of the existing electric rock drilling jumbo is started, an operator manually presses a button of a starting power switch in front of a control cabinet door, then power output by a storage battery enters the power input end of a diesel starting relay of the diesel generator, after the starting relay is electrified and closed, a starting motor of the diesel engine is electrified to drive the diesel engine to start, and the diesel engine can drive the generator to generate power and supply power to the electric rock drilling jumbo after being started. In practical situations, after the diesel generator is used for a long time and performance of the diesel generator is reduced, the diesel engine is used in a low-temperature area, the diesel engine generally needs to be started for many times, and particularly in the case that an operator operates the electric rock drilling jumbo, when the diesel engine of the generator is flamed out and needs to be started again, the operator needs to get off the jumbo for operation, so that great inconvenience is brought to the operation of the operator. The diesel generator of the existing electric drill jumbo does not have a protection device aiming at the generator, when the generator is too high due to too large load or fails, the output power of the diesel engine can not be cut off in time, and the generator is easy to have more serious consequences when continuously working with diseases. Based on the above, it is particularly necessary to provide an electric drill jumbo control cabinet which can realize non-contact starting of a diesel generator and can protect the generator.

Disclosure of Invention

In order to overcome current electronic drill jumbo switch board because of the function limits, in the diesel generator starts, can bring inconvenience for operating personnel's operation, and can't realize the drawback of generator protection, the utility model provides a have all functions of ordinary switch board, still have a key formula non-contact start diesel engine function, when the diesel engine need be started at every turn, only need press the start button of wireless remote control board once, and then the operator is in the certain distance (including the driver's cabin), can realize the diesel generator of non-contact start electronic drill jumbo, can also appear that the temperature rise is too high and output voltage takes place unusually at diesel generator, the diesel engine oil circuit of diesel generator is broken off to the very first time, prevent that the diesel engine from continuing to drive the generator and rotate, and then cause the novel electronic drill jumbo switch board of the bigger trouble of generator.

The utility model provides a technical scheme that its technical problem adopted is:

the novel electric rock drilling trolley control cabinet comprises a control cabinet body and a storage battery, and is characterized by also comprising a wireless remote control board, a wireless receiving circuit, a temperature detection circuit, a voltage detection circuit, a first indication circuit, a second indication circuit, a power switch and a control relay, wherein the wireless receiving circuit, the temperature detection circuit, the voltage detection circuit, the first indication circuit, the second indication circuit, the power switch and the control relay are arranged on a circuit board, the circuit board is arranged in an element box, the anode of the storage battery is connected with one end of the power switch through a lead, the other end of the power switch, the cathode of the storage battery is connected with the wireless receiving circuit, the temperature detection circuit, the first indication circuit and the power input end of the second indication circuit are respectively connected through leads, the other end of the power switch is connected with the signal input end of the voltage detection circuit and the control power input end of the control relay, the temperature detection circuit, the signal output part of the voltage detection circuit is respectively connected with the first indicating circuit, the signal input part of the second indicating circuit is connected through a lead, the power output parts of the temperature detection circuit and the voltage detection circuit, the cathode of the storage battery and the positive and negative pole power input parts of the control relay are respectively connected through leads, the control power output part of the control relay, the cathode of the storage battery and the two ends of the power input part of the diesel engine flameout electromagnetic valve of the diesel engine generator matched with the electric drill jumbo are respectively connected through leads, the two ends of the power output part of the wireless receiving circuit are respectively connected with the two ends of the power input part of the diesel engine starting relay of the diesel engine generator matched with the electric drill jumbo through leads, and the 220V power output part of the diesel engine generator matched.

The wireless remote control board is a wireless transmitting circuit.

The wireless receiving circuit is also matched with a resistor, an NPN triode and a relay, the resistor, the NPN triode and the relay are connected through a circuit board in a wiring mode, a pin 1 of a positive power supply input end of the wireless receiving circuit is connected with a positive power supply input end of the relay and a control power supply input end, a pin 3 of a negative power supply input end of the wireless receiving circuit is connected with an emitting electrode of the NPN triode, a pin 4 of a first path power supply output end of the wireless receiving circuit is connected with one end of the resistor, the other end of the resistor is connected with a base electrode.

The temperature detection circuit comprises a temperature control switch, a relay and a diode, wherein the temperature control switch, the relay and the diode are connected through circuit board wiring, the temperature control opening switch is a snap-action temperature control switch, an internal contact is a normally open structure, the temperature control switch is installed on the outer side of a shell of the generator, one end of the temperature control switch is connected with the input end of a relay control power supply, the other end of the temperature control switch is connected with the input end of a relay positive power supply, and the normally open contact end of the relay is connected with the positive.

The voltage detection circuit comprises an adjustable resistor, a relay, an NPN triode, a rectifier bridge stack, an electrolytic capacitor, an alternating current transformer and a diode, wherein the adjustable resistor, the relay, the NPN triode, the rectifier bridge stack, the electrolytic capacitor, the alternating current transformer and the diode are connected through a circuit board in a wiring mode, the type of the alternating current transformer is 220V/5V/2W, the type of the rectifier bridge stack is MB10F, two ends of a secondary winding of the alternating current transformer are respectively connected with two

power input ends

1 and 2 pins of the rectifier bridge stack, the positive and negative pole

power output ends

3 and 4 pins of the rectifier bridge stack are respectively connected with the positive and negative poles of the electrolytic capacitor, the positive pole of the electrolytic capacitor is connected with one end of the adjustable resistor and the positive pole power input end of the relay, the negative pole of the electrolytic capacitor is.

The first indicating circuit and the second indicating circuit are consistent in structure and respectively comprise a silicon controlled rectifier, a resistor and a light emitting diode, the silicon controlled rectifier, the resistor and the light emitting diode are connected through a circuit board in a wiring mode, the cathode of the silicon controlled rectifier is connected with one end of the first resistor, the other end of the first resistor is connected with the anode of the light emitting diode, the control electrode of the silicon controlled rectifier is connected with one end of the second resistor, and the light emitting surfaces of the two light emitting diodes are located outside the two holes in the front end of.

The utility model has the advantages that: the utility model discloses have all functions of ordinary switch board, still have a key formula non-contact and start the diesel engine function. In practical application, an operator of the electric drill jumbo controls the diesel engine which is matched with the diesel generator and is controlled in a cab of the electric drill jumbo to start through the wireless remote control plate, so that if the diesel engine is flamed out in operation, the operator does not need to get off to press a starting power switch of the diesel engine, and the operation is more convenient; in the application, when the diesel generator is too high in temperature rise due to faults and the output voltage is abnormal, the diesel oil circuit of the diesel generator can be disconnected by the temperature detection circuit or the voltage detection circuit at the first time, the diesel engine is prevented from continuously driving the generator to rotate, the generator is further caused to have larger faults, and the light emitting diode of the first indication circuit or the second indication circuit can emit light to give accurate prompt to an operator, the generator is over-temperature fault or output voltage fault on the bottom, so that the fault point can be timely found by the operator and maintenance personnel for maintenance, and the maintenance efficiency is improved. Based on the above, so the utility model discloses good application prospect has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structure diagram of the temperature-controlled switch of the temperature detection circuit mounted on the generator housing.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

Fig. 1 and 2 show, a novel electric drill jumbo control cabinet, including the control cabinet body 1, battery 2, still have wireless remote control board, wireless receiving circuit 3, temperature detection circuit 4, voltage detection circuit 5, first indicating circuit 6, second indicating circuit 7, switch 8 and control relay 9 install on the circuit board, the circuit board is installed in component box 10, component box 10 is installed in this internal lower part of control cabinet, switch 8's operating handle is located component box 10 front and outside end. The light emitting surfaces of the two light emitting diodes of the first indicating circuit 6 and the second indicating circuit 7 are positioned outside the two openings at the front end of the element box 10. The temperature controlled switch 41 is mounted outside the housing of the generator 11 by a screw.

As shown in fig. 3, the wireless remote control board a3 is a finished wireless transmitting circuit product of model TX315B1, the operating frequency thereof is 315MHz, the wireless remote control board itself has four wireless signal transmitting keys, the wireless remote control board is provided with a shell, and the finished wireless transmitting circuit product and a matched special battery for 12V wireless transmitting circuit are arranged in the shell. The wireless receiving circuit A1 is a finished wireless receiving circuit product of a model TX315B1, the finished wireless receiving circuit product A1 is further matched with a resistor R1, an NPN triode Q1 and a relay K1, the resistors are connected through circuit board wiring, a pin 1 of a positive power input end of the finished wireless receiving circuit product A1 is connected with a positive power input end of the relay K1 and a control power input end, a pin 3 of a negative power input end of the finished wireless receiving circuit product A1 is connected with an emitter of an NPN 1 triode Q, a pin 4 of a first power output end of the finished wireless receiving circuit product A1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a base of the NPN triode Q1, and a collector of the NPN triode Q1 is connected. The temperature detection circuit comprises a temperature control switch WK, a relay K4 and a diode VD1, wherein the temperature control switch WK is connected through circuit board wiring, the temperature control opening switch WK is a 90 ℃ jump type aluminum shell temperature control switch, two contacts in the temperature control switch WK are of a normally open structure, the temperature control switch WK is installed on the outer side of a shell of the generator through a screw, heat-conducting silicone grease is arranged between a temperature sensing surface of the temperature control switch WK and the shell of the generator, one end of the temperature control switch WK is connected with a control power supply input end of the relay K4, the other end of the temperature control switch WK is connected with a positive power supply input end of the relay K4, and a normally open contact. The voltage detection circuit comprises an adjustable resistor RP, a relay K2, an NPN triode Q2, a rectifier bridge stack A2, an electrolytic capacitor C1, an alternating current transformer T and a diode VD2, the three-phase alternating current transformer is connected through circuit board wiring, the type of the alternating current transformer T is 220V/5V/2W, the type of the rectifier bridge stack A2 is MB10F, two ends of a secondary winding of the alternating current transformer T are respectively connected with two

power input ends

1 and 2 pins of a rectifier bridge stack A2,

power output ends

3 and 4 pins of positive and negative poles of a rectifier bridge stack A2 are respectively connected with positive and negative poles of an electrolytic capacitor C1, the positive pole of the electrolytic capacitor C1 is connected with one end of an adjustable resistor RP and the power input end of the positive pole of a relay K2, the negative pole of the electrolytic capacitor C1 is connected with an emitting pole of an, the other end of the adjustable resistor RP is connected with the base electrode of an NPN triode Q2, the collector electrode of the NPN triode Q2 is connected with the negative power supply input end of a relay K2, and the normally closed contact end of the relay K2 is connected with the positive electrode of a diode VD 2. The first indicating circuit comprises a silicon controlled rectifier VS1, resistors R4 and R3 and a light emitting diode VL1, wherein the silicon controlled rectifier VS1 is connected with one end of a first resistor R4, the other end of the first resistor R4 is connected with the anode of the light emitting diode VL1, and the control electrode of the silicon controlled rectifier VS1 is connected with one end of a second resistor R3; the second indicating circuit comprises a silicon controlled rectifier VS2, resistors R6 and R5 and a light emitting diode VL2, wherein the silicon controlled rectifier VS2 is connected with one end of a first resistor R6, the other end of the first resistor R6 is connected with the anode of the light emitting diode VL2, and the control electrode of the silicon controlled rectifier VS2 is connected with one end of a second resistor R5; the light emitting surfaces of the two light emitting diodes VL1 and VL2 are positioned outside the two openings at the front end of the element box. The power switch S1 is a toggle power switch, the storage battery is a starting storage battery of a diesel generator matched with the electric drill jumbo, and the voltage is 12V.

As shown in FIG. 3, the positive terminal of the battery G is connected to one terminal of the power switch S1 via a wire, the other terminal of the power switch S1, the negative terminal of the battery G, the positive terminal of the relay K1 and the emitter of the NPN transistor Q1 at the two terminals of the wireless receiving circuit power input, one terminal of the temperature control switch WK and the negative terminal of the relay K4 at the two terminals of the temperature detection circuit power input, the positive terminal of the thyristor VS1 and the negative terminal of the light emitting diode VL1 at the two terminals of the first indicating circuit power input, the positive terminal of the thyristor VS2 and the negative terminal of the light emitting diode 539VL 7 at the two terminals of the second indicating circuit power input are connected via wires, the other terminal of the power switch S1 is connected to the control power input terminal of the signal input terminal relay K2 and the control power input terminal of the control relay K3 via wires, the signal output terminal relay K4 and the normally open contact terminal of the temperature detection circuit, and, The other end of a signal input end resistor R5 of the second indicating circuit is connected by a lead, the cathode of a power output end diode VD1 of the temperature detecting circuit, the cathode of a power output end diode VD2 of the voltage detecting circuit, the cathode of a storage battery G and the power input ends of the positive and negative poles of a control relay K3 are respectively connected by leads, the normally closed contact end of the control relay K3, the negative electrode of the storage battery G and the two ends of the DC power input end of a diesel engine flameout solenoid valve of a diesel engine generator matched with the electric drill jumbo are respectively connected through leads, the two ends of the power output end of the wireless receiving circuit, namely a relay K1 normally open contact end and an NPN triode Q1 emitter, are respectively connected with the two ends of the power input end of a diesel engine starting relay KM of the diesel engine generator matched with the electric drill jumbo through leads, and the 220V power output end of the diesel engine generator (FD) matched with the electric drill jumbo and the two ends of a primary winding of.

As shown in fig. 3, after the power switch S1 is turned on, the power output by the battery G enters the two ends of the power input of the wireless receiving circuit, the temperature detecting circuit, the first indicating circuit and the second indicating circuit, so that the wireless receiving circuit, the temperature detecting circuit, the first indicating circuit and the second indicating circuit are in an energized operating state; meanwhile, the positive electrode of the power supply output by the storage battery G enters the control power supply input end of a relay K2 of the voltage detection circuit, the control power supply input end of a control relay K3 of the voltage detection circuit and the positive electrode control power supply input end of a diesel engine starting relay KM of a diesel engine generator matched with the electric drill jumbo (the negative electrode control power supply input end and the negative electrode power supply input end of the starting relay KM are communicated with the negative electrode of the storage battery G). The utility model discloses have all functions of ordinary switch board, still have a key formula non-contact and start the diesel engine function. In practical application, the operator of the electric drill jumbo controls the diesel engine which controls the electric drill jumbo to be matched with the diesel generator in the cab of the electric drill jumbo to start through the wireless remote control plate, so that if the diesel engine is flamed out in operation, the operator does not need to get off to press the starting power switch of the diesel engine, and the operation is more convenient. When an operator presses a first transmitting key switch of a portable wireless remote control board A3, the wireless remote control board A3 can transmit a first wireless closing signal, a wireless receiving circuit finished product A1 can receive the first wireless closing signal, 4 feet of the wireless receiving circuit finished product can output a high level and enter a base of an NPN triode Q1 through a resistor R1 for current limiting, then the NPN triode Q1 is conducted, a collector of the NPN triode Q1 outputs a low level and enters a power input end of a negative electrode of a relay K1, the relay K1 is electrified and attracted, a control power input end and a normally open contact end of the relay K1 are closed, and because the normally open contact end of the relay K1 (the control power input end of the relay K1 is communicated with a positive electrode of a storage battery G at the moment) and the negative electrode of the storage battery G is respectively connected with two power input ends of a diesel engine starting relay KM of a diesel engine starting diesel engine generator matched with an electric rock drilling jumbo Pole connection) and the two normally open contact ends are respectively closed, so that power output by the storage battery G enters two power input ends of a starting motor M of the diesel engine through two control power input ends and two normally open contact ends of the starting relay KM, and then the starting motor M is electrified to work to start the diesel engine so as to generate electricity by the generator; after the diesel engine is started, an operator presses a second transmitting key of the wireless remote control board A3, then, the wireless remote control circuit board A3 transmits a first path of wireless open-circuit signal, and after a wireless receiving circuit finished product A1 receives the first path of wireless open-circuit signal, 4 feet of the wireless receiving circuit finished product stop outputting high level, and further, the relay K1 and a diesel engine starting relay KM of a diesel engine generator matched with the electric rock drilling jumbo are all powered off and do not work any more, and a control power supply input end and a normally open contact end are opened, so that the diesel engine starting relay KM does not work any more, and the starting of the diesel engine.

As shown in fig. 3, in actual use, when the temperature of the generator FD of the diesel generator is too high due to overload or fault, and the temperature of the housing of the generator exceeds 90 ℃, two normally open contacts inside the temperature-controlled switch WK are closed, so that the relay K4 can be powered to close the control power input end and the normally open contact end thereof, and then the positive electrode of the power output by the battery G enters the other end of the resistor R3 of the first indicating circuit through the control power input end and the normally open contact end of the relay K4, and meanwhile, the power output by the normally open contact end of the relay K4 can be one-way conducted through the diode VD1 to enter the positive power input end of the control relay K3, and then the control relay K3 is powered to close the control power input end and the normally closed contact end thereof to be; after the power supply enters a resistor R3, the power supply is subjected to voltage reduction and current limitation through a resistor R3 to trigger the conduction of a silicon controlled rectifier VS1, so that a cathode output anode power supply of the silicon controlled rectifier VS1 is subjected to voltage reduction and current limitation through a resistor R4 to enter the anode of a light-emitting diode VL1 (the cathode of the light-emitting diode VL1 is communicated with the cathode of a storage battery G), the light-emitting diode VL1 is electrified and emits light to accurately prompt subsequent operators, the temperature of the generator shell exceeds the standard, the operators or maintainers can timely carry out normal maintenance, and accidents caused by FD diseases of the generator are prevented from being expanded; when the temperature of the shell of the normal generator for FD work of the diesel generator does not exceed 90 ℃, two normally open contacts inside the temperature control switch WK are opened, therefore, the relay K4 cannot be electrified to attract the input end of the control power supply and the normally open contact end of the relay K4 to be opened, the control relay K3 cannot be electrified to attract, the other end of the resistor R3 of the first indicating circuit cannot be contacted with a power source, and the light-emitting diode VL1 cannot be electrified to emit light. When the generator FD is in operation, 220V ac power (one of the phase line and the zero line of the 380V three-phase four-wire power output by the generator FD) output by the generator FD will enter both ends of the primary winding of the power transformer T, so that 5V ac power is output by both ends of the secondary winding of the power transformer T and enters

pins

1 and 2 of the rectifier bridge stack a2, the rectifier bridge stack a2 rectifies and converts the ac power into dc power, which is output from pins 3 and 4 (the electrolytic capacitor C1 filters the output dc power), and enters the positive electrode of the relay K2, one end of the adjustable resistor RP and the emitter of the NPN triode Q1; when the output voltage of the generator FD works normally and is higher than 200V, the power supply is transformed by the power supply transformer T, the power supply is rectified by the rectifier bridge A2 and is reduced by the adjustable resistor RP, the base of the power supply voltage entering the NPN triode Q2 is higher than the base 0.7V initial voltage of the NPN triode Q2, then the NPN triode Q2 conducts the collector thereof to output low level and enters the negative power supply input end of the relay K2, the relay K2 is electrified to attract the control power supply input end and the normally closed contact end of the relay to be open, in this way, no trigger power supply enters the other end of the resistor R5 of the second indicating circuit, the light emitting diode VL2 of the second indicating circuit cannot be electrified to emit light, and the control relay K3 cannot; when the FD of the generator is not normally operated and the output voltage is lower than 200V, the power supply is transformed by the power transformer T, the power supply is rectified by the rectifier bridge A2 and is reduced by the adjustable resistor RP, the power supply voltage enters the base of the NPN triode Q2 and is lower than the 0.7V initial voltage of the base of the NPN triode Q2, then, the NPN triode Q2 is cut off and does not output low level to enter the negative power supply input end of the relay K2, the relay K2 is power-off and does not attract the control power supply input end and the normally closed contact end to, thus, the positive pole of the power output by the storage battery G controls the power input end and the normally closed contact end to enter the other end of the resistor R5 of the second indicating circuit through the relay K2, meanwhile, the power supply output by the normally closed contact end of the relay K2 can enter the positive power supply input end of the control relay K3 through one-way conduction of the diode VD2, so that the control relay K3 is electrified to pull the control power supply input end and the normally closed contact end open; after the power supply enters a resistor R5, the power supply is subjected to voltage reduction and current limitation by a resistor R5 to trigger the conduction of a silicon controlled rectifier VS2, then, a cathode output anode power supply of the silicon controlled rectifier VS2 is subjected to voltage reduction and current limitation by a resistor R6 to enter an anode of a light emitting diode VL2 (a cathode of the light emitting diode VL2 is communicated with a cathode of a storage battery G), the light emitting diode VL2 is electrified and emits light to accurately prompt subsequent operators, the output voltage of the generator is abnormal due to the fault or overlarge load of the FD of the generator, the operators or maintenance personnel can carry out normal maintenance in time, and the accident enlargement caused by the work of the FD. In practical application, no matter the temperature of the shell of the generator FD exceeds the standard, or the output voltage is too low due to the excessive load or the fault of the generator FD, after the relay K3 is electrified to attract the control power input end and the normally closed contact end of the relay K3 to be open, the normally closed contact end of the relay K3 (the control power input end of the relay K3 is communicated with the anode of the storage battery G), the cathode of the storage battery G and the two ends of the power input end of the diesel engine flameout electromagnetic valve DC of the diesel engine matched with the diesel generator of the electric rock drilling jumbo are respectively connected through leads, therefore, the diesel engine flameout electromagnetic valve DC can lose electricity and stop working to close the oil circuit of the diesel engine at the moment, further, the diesel engine flameout is realized, the diesel generator stops running and does not generate electricity any more, the diesel engine continues to drive the generator to rotate when the generator fails, and further, the generator over-temperature fault or the output voltage fault is solved, so that operating personnel and maintenance personnel can find fault points in time for maintenance, and the maintenance and repair efficiency is improved. In the embodiment, when the resistance value of the adjustable resistor RP is debugged in the first production, an alternating current voltage-regulating power supply is connected between a 220V alternating current power supply and an alternating current transformer T, when the output of the alternating current voltage-regulating power supply is more than 200V, a relay K2 is in an attraction state, then the output of the alternating current voltage-regulating power supply is regulated to be less than 200V, at the moment, a technician slowly regulates the resistance value of the adjustable resistor RP, when a relay K2 is just powered off, the resistance value of the adjustable resistor RP is regulated to be a required resistance value, when the input power supply of a subsequent alternating current transformer T is lower than 200V, the relay K2 is powered off and is not attracted again (at the moment, a power switch S1 is closed, the power supply output by a storage battery G cannot enter a control power supply input end of a relay K2, a multimeter is regulated to a resistance level, a meter pen is respectively, the relay K2 is in a power-off state), the resistance value of the adjusted adjustable resistor RP is the resistance value of all adjustable resistors RP in the subsequent production, and the subsequent production does not need to be adjusted. The relays K1, K2, K3 and K4 are DC12V relays of Songle brand, model number 4123; the model of the controllable silicon VS1 and VS2 is MCR 100-1; the resistances of the resistors R1, R3, R4, R5 and R6 are respectively 2K, 47K, 1.8K, 47K and 1.8K; the models of the diodes VD1 and VD2 are 1N 4007; the light emitting diodes VL1 and VL2 are red light emitting diodes and green light emitting diodes respectively; the electrolytic capacitor C1 model is 470 mu F/25V.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The novel electric rock drilling trolley control cabinet comprises a control cabinet body and a storage battery, and is characterized by also comprising a wireless remote control board, a wireless receiving circuit, a temperature detection circuit, a voltage detection circuit, a first indication circuit, a second indication circuit, a power switch and a control relay, wherein the wireless receiving circuit, the temperature detection circuit, the voltage detection circuit, the first indication circuit, the second indication circuit, the power switch and the control relay are arranged on a circuit board, the circuit board is arranged in an element box, the anode of the storage battery is connected with one end of the power switch through a lead, the other end of the power switch, the cathode of the storage battery is connected with the wireless receiving circuit, the temperature detection circuit, the first indication circuit and the power input end of the second indication circuit are respectively connected through leads, the other end of the power switch is connected with the signal input end of the voltage detection circuit and the control power input end of the control relay, the temperature detection circuit, the signal output part of the voltage detection circuit is respectively connected with the first indicating circuit, the signal input part of the second indicating circuit is connected through a lead, the power output parts of the temperature detection circuit and the voltage detection circuit, the cathode of the storage battery and the positive and negative pole power input parts of the control relay are respectively connected through leads, the control power output part of the control relay, the cathode of the storage battery and the two ends of the power input part of the diesel engine flameout electromagnetic valve of the diesel engine generator matched with the electric drill jumbo are respectively connected through leads, the two ends of the power output part of the wireless receiving circuit are respectively connected with the two ends of the power input part of the diesel engine starting relay of the diesel engine generator matched with the electric drill jumbo through leads, and the 220V power output part of the diesel engine generator matched.

2. A novel electric drill jumbo control cabinet as claimed in claim 1, characterized in that the wireless remote control board is a wireless transmission circuit.

3. A novel electric drill jumbo control cabinet as claimed in claim 1, wherein the wireless receiving circuit is further provided with a resistor, an NPN triode and a relay, which are connected through a circuit board by wiring, wherein the positive power input terminal 1 of the wireless receiving circuit is connected with the positive power input terminal of the relay and the control power input terminal, the negative power input terminal 3 of the wireless receiving circuit is connected with the emitter of the NPN triode, the first power output terminal 4 of the wireless receiving circuit is connected with one end of the resistor, the other end of the resistor is connected with the base of the NPN triode, and the collector of the NPN triode is connected with the negative power input terminal of the relay.

4. A novel electric drill jumbo control cabinet as claimed in claim 1, characterized in that the temperature detection circuit comprises a temperature control switch, a relay and a diode, which are connected through circuit board wiring, the temperature control opening switch is a snap-action temperature control switch, the internal contact is a normally open structure, the temperature control switch is installed outside the shell of the generator, one end of the temperature control switch is connected with the input end of the control power supply of the relay, the other end of the temperature control switch is connected with the input end of the positive power supply of the relay, and the normally open contact end of the relay is connected with the positive electrode of the diode.

5. A novel electric rock drilling jumbo control cabinet as claimed in claim 1, wherein the voltage detection circuit comprises an adjustable resistor, a relay, an NPN triode, a rectifier bridge stack, an electrolytic capacitor, an AC transformer and a diode, which are connected by wiring of a circuit board, wherein the AC transformer is 220V/5V/2W, the rectifier bridge stack is MB10F, two ends of a secondary winding of the AC transformer are respectively connected with two power input ends 1 and 2 of the rectifier bridge stack, pins 3 and 4 of positive and negative pole power output ends of the rectifier bridge stack are respectively connected with positive and negative poles of the electrolytic capacitor, a positive pole of the electrolytic capacitor is connected with one end of the adjustable resistor and a positive power input end of the relay, a negative pole of the electrolytic capacitor is connected with an emitting electrode of the NPN triode, the other end of the adjustable resistor is connected with a base electrode of the NPN triode, and a, the normally closed contact end of the relay is connected with the anode of the diode.

6. The control cabinet of the novel electric drill jumbo as recited in claim 1, wherein the first indicating circuit and the second indicating circuit have the same structure, and each of them comprises a thyristor, a resistor and a light emitting diode, and they are connected by wiring of the circuit board, the cathode of the thyristor is connected with one end of the first resistor, the other end of the first resistor is connected with the anode of the light emitting diode, the control electrode of the thyristor is connected with one end of the second resistor, and the light emitting surfaces of the two light emitting diodes are located outside the two openings at the front end of the component box.