CN100445632C - Miner's lamp with flickering light source - Google Patents

Abstract

The invention relates to a miner's lamp: a miner's lamp with a flashing light source. A miner's lamp with a flashing light source, the storage battery is connected to the main light source and the auxiliary light source through a switch circuit, the switch circuit contains a control button, a microprocessor and a switch control element, one end of the control button is connected to the I/O input port of the microprocessor, and the microprocessor The two I/O output ports are respectively connected to the trigger control ends of the two switch control elements, and the output ends of the two switch control elements are respectively connected in series with the main light source and the auxiliary light source and then connected in parallel between the two poles of the storage battery. The miner's lamp of the present invention automatically switches to the flashing state of the auxiliary light source under the command state or beyond the set time. In special cases, the lighting time can be extended, providing great spiritual comfort to the miners in distress, and prolonging the time for the miners waiting for rescue in the mine disaster to the greatest extent. At the same time, it is convenient for the miners in distress to contact with the ambulance personnel, and guide the search and rescue work of the search and rescue personnel. The circuit structure is simple and practical, and has good popularization and application value.

Description

Miner's lamp with flickering light source

1. Technical field:

The invention relates to a mine lighting lamp, in particular to a miner's lamp with a flashing light source.

2. Background technology:

The previous miner's lamps used a single light source for lighting. When the filament burned out, they could not be used. Only the miner's lamp or the light bulb could be replaced. However, changing the light bulb in the mine is prone to safety accidents and does not meet the safety regulations. You can only carry a spare miner's lamp. kind of hard. Ordinary light bulbs are easy to burn out, consume more electricity, use for a short time, and waste energy. Later, with the development of science and technology, alternative and more energy-saving new light sources gradually appeared. Among them, LED light-emitting tubes are commonly used, which have high brightness and save electricity. Light-emitting tubes are used at the same time, and now people have made LED light-emitting tubes with relatively high power, and they are gradually being used in various fields.

Due to our country's large population and weak foundation, coupled with the influence of various traditional or realistic factors, domestic coal mine production conditions are relatively simple, resulting in frequent mine disasters in the production process, seriously affecting the lives and property safety of the people, which has caused the party and the The government attaches great importance to it. According to relevant regulations, current miner's lamps must use dual light sources. The current situation is: the use time of the miner's lamp is not long enough, especially when a mine disaster occurs, there is often a situation where the miners and the rescuers cannot be contacted, the rescuers cannot find the victims in time, the victims cannot be rescued in time, and they are isolated and helpless , In a dark environment, there is no light, no concept of time, and the hope and confidence of survival are lost. Even after being rescued, the psychological trauma suffered by the victims is difficult to recover for a long time. If there is lighting on the site, the situation will undoubtedly be much better. The light can ignite the hope and confidence of the miners in isolation and helpless, and it can also effectively guide the rescuers to follow the light source to find the miners in time, shortening the search and rescue time. Especially in modern society, "people-oriented", respect for life, care for life, a small miner's lamp can add a reliable guarantee for the life safety of miners, greatly improve the work efficiency of rescuers, and effectively reduce mine disasters. material or mental harm, so as to minimize the loss of mining accidents.

Chinese utility model ZL 200420041704.5 (announcement number is CN 2697436Y) proposes a new type of dual-light source safe mining lamp head, the power of the main light source is greater than that of the auxiliary light source, and the use time can be extended when a major accident occurs underground and it is temporarily impossible to go to the well; Chinese utility model ZL 200420052400.9 (Publication No. CN2733161Y) proposes a dual-light source miner's lamp cap, the auxiliary auxiliary light source adopts 1×n light-emitting diodes, and the auxiliary light source continuously lights up to thousands of hours. The starting point for solving the problem is to use auxiliary light sources with relatively small power and save electricity. Under special circumstances, the miners manually turn off the main light source and turn on the auxiliary light source, and extend the use time of the miner's lamp by using the auxiliary light source for lighting. It is not considered that under the special circumstances of mining operations, the miner's lamp can automatically start the function of extending the use time.

3. Contents of the invention:

The technical problem to be solved by the present invention: Aiming at the existing problems and deficiencies of the current miner's lamp, a miner's lamp with a flashing light source is proposed, which can automatically start or manually start the auxiliary light source flashing function under special circumstances, so as to maximize the use time of the miner's lamp. More effectively guide the search and rescue efforts of search and rescue personnel.

The technical scheme adopted in the present invention:

A miner's lamp with a flickering light source, which contains a storage battery, a main light source and an auxiliary light source. The storage battery is connected to the main light source and the auxiliary light source through a switch circuit. The switch circuit includes a control button, a microprocessor and a switch control element. One end of the control button is Connect the I/O input port of the microprocessor, the two I/O output ports of the microprocessor are respectively connected to the trigger control terminals of the two switch control elements, and the output ends of the two switch control elements are respectively connected in series with the main light source and the auxiliary light source. Connected in parallel between the two poles of the battery.

The miner's lamp with a flashing light source has one control button, the central processing unit adopts PIC12C508, the switch control element adopts a field effect tube, the VCC port of PIC12C508 is connected to the power supply, the VSS port is grounded, and an I/O input port of PIC12C508 is connected to the control Button S1, the other end of the control button S1 is grounded or connected to the positive pole of the power supply, the two I/O output ports of PIC12C508 are connected to the gates of field effect transistors Q1A and Q1B respectively, the drains of field effect transistors Q1A and Q1B are grounded, and the source The main light source L1 and the auxiliary light source L2 are respectively connected to the positive pole of the battery; the switch control element is either a power triode or a Darlington tube, and the control bases of the power triode or Darlington tubes Q1 and Q2 are respectively passed through the current limiting resistors R1, R2 is connected to the two I/O output ports of the microprocessor, the emitters of the power transistors or Darlington tubes Q1 and Q2 are grounded, and their collectors are respectively connected to the positive pole of the battery through the main light source L1 and the auxiliary light source L2.

The miner's lamp with a flashing light source has two control buttons, another I/O input port of the microprocessor is connected to the second control button S2, the other ends of the control buttons S1 and S2 are grounded or connected to the positive pole of the power supply, and the control buttons S1 and S2 may be replaced by a single-pole multi-throw switch.

The miner's lamp with a flickering light source is connected with a constant current circuit in the main light source circuit. The constant current circuit is an integrated circuit chip AMC7135 or a constant current source circuit. The power supply terminal of the constant current circuit is connected to the positive pole of the power supply, and its current output The two ends are respectively connected to the main light source and the power input end of the switch control element.

For the miner’s lamp with flashing light source, the microprocessor adopts any chip of PIC12C5XX series or PIC10F200/202/204/205, the microprocessor chip has built-in management program, and the management program is realized through the described switch circuit (1) Turn on and off the main light source; (2) Turn on and off the auxiliary light source; (3) Automatically turn off the main light source and switch to the periodic flashing state of the auxiliary light source under the command state or exceeding the set time.

In the miner's lamp with a flashing light source, the control circuit is composed of discrete components, and a 555 time base circuit is used to set the normal button time. The TRIG pin of the time base circuit chip is connected to the power supply and the control button for conducting and grounding through a resistor. S1, using another 555 time base circuit to set the flashing cycle of the auxiliary light source, the time base circuit respectively controls the trigger terminal connected to the switch control element of the main light source and the switch control of the auxiliary light source through three sets of logic gate circuits and double D-type flip-flops The trigger terminal of the element.

A miner's lamp with a flickering light source, including a battery, a main light source and an auxiliary light source, the battery is connected to the main light source through a switch S2, and a control circuit is provided in the miner's lamp housing, and the control circuit includes a control button, a microprocessor and a switch Control element, one end of the control button S1 on the shell of the miner's lamp is connected to an I/O input port of the microprocessor, an I/O output port of the microprocessor is connected to the trigger control end of the switch control element, and the output of the switch control element The end-series auxiliary light source is connected between the two poles of the battery.

For the miner’s lamp with flashing light source as mentioned above, the microprocessor adopts PIC12C508, the switch control element adopts field effect tube, the VCC port of PIC12C508 is connected to the power supply, the VSS port is grounded, one I/O port of PIC12C508 is connected to the control button S1, and the control button The other end of S1 is grounded or the positive pole of the power supply, an I/O output port of PIC12C508 is connected to the gate of the field effect transistor Q2, the drain of the field effect transistor Q2 is grounded, and its source is connected to the battery positive pole through the auxiliary light source L2; the switch The control element either adopts a power triode or a Darlington tube, and the control base of the power triode or Darlington tube Q2 is connected to an I/O output port of the microprocessor through a current limiting resistor R2, and the power triode or Darlington tube Q2 The emitter is grounded, and its collector is connected to the positive pole of the battery through the auxiliary light source L2.

For the miner’s lamp with flashing light source, the microprocessor adopts any chip of PIC12C5XX series or PIC10F200/202/204/205, the microprocessor chip has built-in management program, and the management program is realized through the control circuit (1) Turn on and off the auxiliary light source; (2) Automatically switch to the periodic flashing state of the auxiliary light source in the command state or after a certain period of time.

Positive beneficial effect of the present invention:

1. The miner's lamp with flashing light source of the present invention has simple circuit structure, practicality and low cost. The miner's lamp of the present invention automatically switches to the flashing state of the auxiliary light source under the command state or after exceeding a certain set time. Waiting for the rescue time, and at the same time, it is convenient for the affected miners to contact with the ambulance personnel, and guide the search and rescue work of the search and rescue personnel.

2. The miner's lamp with flashing light source of the present invention contains a main light source and an auxiliary light source. You can choose to use the main light source or the auxiliary light source with lower power for lighting to prolong the use time. At the same time, the auxiliary light source can be used as a backup light source, which is convenient to use and has a relatively Good promotion and application value.

4. Description of drawings:

Figure 1: One of the principle schematic diagrams of the miner's lamp circuit of the present invention

Figure 2: The second schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 3: The third schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 4: The fourth schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 5: The fifth schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 6: The sixth schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 7: The seventh schematic diagram of the circuit principle of the miner's lamp of the present invention

Figure 8: Schematic diagram of the constant current source circuit

5. Specific implementation methods:

Embodiment 1: The miner's lamp with flashing light source of the present invention contains a battery, a main light source and an auxiliary light source. The battery is connected to the main light source and the auxiliary light source through a switch circuit. The switch circuit is controlled by a microprocessor, and the switch circuit contains control buttons. , microprocessor and switch control elements, and the control buttons are installed on the battery shell of the miner's lamp.

Referring to Fig. 1, it is one of the schematic diagrams of the miner's lamp circuit with the flickering light source in this embodiment: the microprocessor adopts PIC12C508, the switch control element adopts a field effect transistor, the VCC port of PIC12C508 is connected to the power supply (i.e. the battery positive pole), and the VSS port of PIC12C508 Grounding (i.e. battery negative pole), one I/O port GP1 of PIC12C508 is connected to control button S1, the other end of control button S1 is grounded or connected to the positive pole of power supply, two I/O ports GP4 and GP5 of PIC12C508 are respectively connected to field effect transistor Q1A, The gate of Q1B, the drains of field effect transistors Q1A and Q1B are grounded, and their sources are respectively connected to the positive pole of the battery through the main light source L1 and the auxiliary light source L2.

The microprocessor can adopt other 8-bit or 16-bit CPUs, or adopt any other chip in the PIC12C5XX series. In the microprocessor used, a supervisory program is provided, and the supervisory program is realized through the switch circuit The following functions: (1) Turn on and off the main light source; (2) Turn on and off the auxiliary light source; (3) Automatically turn off the main light source and switch to the auxiliary light source periodically in the command state or after a certain period of time Blinking state.

The present invention realizes the programming method of miner's lamp light source flickering: the "miner's lamp control button" is set as an input port line with or without pull-up (at this time, one end of the miner's lamp control button is connected to the microprocessor, and the other end is connected to the power supply ); Set "auxiliary light source control" and "main light source control" as output port lines, or as input/output port lines, and set the output state to low level, thereby turning off the main light source and auxiliary light source.

include:

1.1 Program input: Definition:

Main light source lighting command ------ press the miner's lamp control key for the first time, press the miner's lamp control key for the 3n+1 time (n is a positive integer 1, 2, 3, ...)

Auxiliary light source lighting command --- press the miner's lamp control key for the second time, press the miner's lamp control key for the 3n+2 time

Turn off the light source command ------ press the miner's lamp control key for the third time, press the miner's lamp control key for the 3n+3 times

Auxiliary light source flashing command --- press the miner's lamp control key after the set time T (T can be a time that obviously exceeds the normal button time); or after the main light source is lit for 11 hours

The cycle of light source flickering t = the lighting time t1 when the light source is flickering + the off time t2 when the light source is flickering

1.2 Program output: When the "main light source lighting command" appears, turn on the main light source and turn off the auxiliary light source.

When the "Auxiliary light source lighting command" appears, turn on the auxiliary light source and turn off the main light source.

When the "Close Lights Command" appears, turn off all lights.

When the "auxiliary light source flashing command" appears, turn off the main light source and the auxiliary light source will flash.

Embodiment 2: Referring to Fig. 2, the structure of this embodiment is basically the same as that of Embodiment 1, except that the switch control element adopts a power triode, and the control bases of the power transistors Q1 and Q2 respectively pass through current-limiting resistors R1 and R2 Connect the two I/O output ports of the microprocessor, the emitters of the power transistors Q1 and Q2 are connected to the negative pole of the battery, and the collectors are respectively connected to the positive pole of the battery through the main light source L1 and the auxiliary light source L2. The power triode can be replaced by a Darlington tube (composite tube).

Embodiment three: referring to Fig. 3, the difference between this embodiment and the above-mentioned embodiments is that the microprocessor can adopt any chip in PIC10F200/202/204/205, and the switch control element is selected Darlington tube for use, also A power triode or a field effect tube can be used. The specific connection relationship is: the VCC port of the microprocessor is connected to the power supply, which is the positive pole of the battery, the VSS port is grounded, which is the negative pole of the battery, one I/O port GP1 of PIC10F2XX is connected to the control button S1, the other end of the control button S1 is grounded, and the two I/O ports of PIC10F2XX are connected to the ground. The /O output ports GP0 and GP2 are respectively connected to the trigger control ends of the two switch control elements, and the output ends of the two switch control elements are respectively connected in series with the main light source and the auxiliary light source and connected between the two poles of the battery. When the switch control element adopts power triodes or Darlington tubes, a current-limiting resistor is connected between the base of each power triode or Darlington tube and the microprocessor control output port. The microprocessor built-in hypervisor is the same.

Embodiment four: referring to Fig. 4, present embodiment structure is identical with embodiment two substantially, and a little difference is: control button is two, and another I/O port GP2 of microprocessor PIC12C508 connects the second control button S2, The other end of S2 is grounded, and the built-in program of the microprocessor is slightly different, which can realize the same function. Of course, the control buttons S1 and S2 can be replaced by a single-pole multi-throw switch.

Embodiment 5: Referring to Fig. 5, the miner's lamp with flashing light source in this embodiment is different from the above-mentioned embodiments in that a mechanical switch S2 is provided on the miner's lamp housing, and the main light source is directly connected to the battery through the switch S2. The control circuit in the miner's lamp only controls and manages the auxiliary light source, so as to realize (1) turn on and off the auxiliary light source; (2) automatically switch to the periodic flashing state of the auxiliary light source under the command state or after a certain period of time. The microprocessor uses PIC12C508, or any other chip of PIC12C5XX series, or one of PIC10F200/202/204/205 chips, and other series of microprocessor chips that can be used; the switch control element can also use power Triode, or Darlington tube, or field effect tube.

Embodiment 6: Referring to Fig. 6, the miner’s lamp with flashing light source in this embodiment, the circuit structure is different from Embodiments 1, 2, 3 and 4 in that: a constant current circuit is connected to the main light source circuit, and the constant current circuit The integrated circuit chip AMC7135 is used, the power supply terminal of the constant current circuit is connected to the positive pole of the power supply, and the two ends of the current output are respectively connected to the main light source and the power input terminal of the switch control element.

Embodiment 7: Referring to Fig. 6 and Fig. 8, the difference between this embodiment and Embodiment 6 is that the constant current circuit adopts a constant current source circuit, and its connection method is the same, the power supply terminal VDD is connected to the positive pole of the power supply, and the current output The two ends are respectively connected to the main light source and the power input end of the switch control element. In Figure 8, VDD and GND are connected with resistor R1 and voltage regulator tube Z1, and their contacts are connected with GND with resistors R2 and R3, and the contacts of resistors R2 and R3 are connected to the same input terminal of operational amplifier U1. The output terminal of the amplifier U1 is connected to the gate of the field effect transistor Q1, and the source of the field effect transistor Q1 is the output terminal OUT. connected to the GND terminal, and the output terminal of the operational amplifier U1 is connected to the GND terminal with a resistor R4.

Embodiment 8: This embodiment has a miner's lamp with a flashing light source. Its control circuit is composed of discrete components. A 555 time base circuit is used to set the normal button time. The TRIG pin of the time base circuit chip is connected to the power supply and the conduction grounding through a resistor. The control button S1 uses another 555 time base circuit to set the flashing period of the auxiliary light source. The time base circuit respectively controls the trigger terminal connected to the main light source switch control element and the auxiliary light source through three sets of logic gate circuits and double D-type flip-flops. The trigger terminal of the switch control element.

Refer to Figure 7 for the specific implementation circuit. The power supply VCC is connected to one end of the control button S1 through the resistor R3, and the other end of the control button S1 is grounded. The contact of the resistor R3 and the control button S1 is connected to the TRIG pin of the time base circuit chip U7 through the capacitor C1. The contact of resistor R3 and control button S1 and the output terminal OUT of time base circuit chip U7 are respectively connected to the two input terminals of NOR gate U1B, the output terminal of U1B is connected to one input terminal of NOR gate U8A through resistor R8, and the output terminal of U8A is connected to the input terminal of NOR gate U8A. The two input terminals are short-circuited and connected to the power supply through the resistor R5, the output terminal of U8A is connected to the clock input terminal 3 pin of the trigger U4A, the output terminal of the trigger U4A is connected to the reset terminal of the time base circuit chip U6, and the output terminal of U6 is connected to the NOR gate One input of U5A.

The contacts of the resistor R3 and the control button S1 are simultaneously connected to the clock input ends of the flip-flops U3A and U3B. The flip-flops U3A and U3B form a single-selection circuit. The reset terminals R of the flip-flops U3A and U3B are connected to the output terminals of the NOR gate U9A. The two input terminals are connected to the output terminal of U8A, the output terminal of the trigger U3A is connected to the trigger terminal of the switching control element of the main light source L1, the output of U3B is connected to one input terminal of the NOR gate U5A, and the output terminal of U5A is connected to the NOR gate U5B The trigger terminal of the switching control element of the auxiliary light source L2, and the output terminal of the trigger U3A are connected to the reset terminal of the trigger U4A at the same time.

Claims (9)

1, a kind of mine lamp that has flasher, contain battery and main light source and secondary light source, battery is connected with main light source, secondary light source by on-off circuit, it is characterized in that: described on-off circuit contains control button, microprocessor and switch control element, control button one end connects the I/O input port of microprocessor, two I/O output ports of microprocessor connect the trigger control end of two switch control elements respectively, and the output of two switch control elements is connected respectively and is connected in parallel between battery the two poles of the earth behind main light source and the secondary light source; Described microprocessor is built-in with hypervisor, and hypervisor realizes the open and close of (1) main light source by described on-off circuit; (2) open and close of secondary light source; (3) under coomand mode or above the certain hour of setting, close main light source automatically, switch to periodically blink states of secondary light source.

2, the mine lamp that has flasher according to claim 1, it is characterized in that: contain a control button S1, microprocessor adopts PICl2C508, the VCC port of PICl2C508 connects battery positive voltage, VSS port ground connection, the I/O input port of PICl2C508 connects control button S1, control the other end ground connection of button S1 or connect battery positive voltage, the switch control element adopts FET, two I/O output ports of PICl2C508 connect FET Q1A respectively, the grid of Q1B, FET Q1A, the grounded drain of Q1B, its source electrode passes through main light source L1 respectively, secondary light source L2 connects battery positive voltage; Described switch control element or employing pliotron or Darlington transistor, the control base stage of pliotron or Darlington transistor Q1, Q2 connects two I/O output ports of microprocessor respectively by current-limiting resistance R1, R2, the grounded emitter of pliotron or Darlington transistor Q1, Q2, its colelctor electrode connect battery positive voltage through main light source L1, secondary light source L2 respectively.

3, the mine lamp that has flasher according to claim 2, it is characterized in that: also contain the second control button S2, another I/O input port of microprocessor connects the second control button S2, control button S1, second controls the other end ground connection of button S2 or connects battery positive voltage, and control button S1, second controls button S2 or replaces with a single pole multiple throw.

4, the mine lamp that has flasher according to claim 1, it is characterized in that: in the main light source loop, be connected with constant-current circuit, described constant-current circuit is IC chip AMC7135 or constant-current source circuit, the power supply termination battery positive voltage of constant-current circuit, the two ends of its electric current output connect the battery positive voltage incoming end of main light source and switch control element respectively.

5, according to claim 1 or the 4 described mine lamps that have flasher, it is characterized in that: microprocessor adopts any one chip among PICl2C5XX series or the PICl0F200/202/204/205.

6, a kind of mine lamp that has flasher, contain battery and main light source and secondary light source, battery is by on-off circuit and main light source, secondary light source connects, it is characterized in that: described on-off circuit is made up of discrete component, adopt one 555 time base circuit that the normal button time is set, the TRIG pin of this time base circuit chip connects battery positive voltage through resistance, the control button S1 of ground connection when this TRIG pin connects conducting simultaneously, employing another one 555 time base circuits are set the secondary light source flicker cycle, and described another one 555 time base circuits are by the trigger end of three groups of logic gates with the switch control element of pair trigger end of D flip-flops difference control connection main light source switch control elements and secondary light source.

7, a kind of mine lamp that has flasher, contain battery and main light source and secondary light source, battery is connected with main light source by switch S 2, it is characterized in that: in the mine lamp housing, be provided with control circuit, described control circuit contains control button, microprocessor and switch control element, be located at an I/O input port of the control button S1 one end connection microprocessor on the mine lamp housing, an I/O output port of microprocessor connects the trigger control end of switch control element, and the output series connection secondary light source of switch control element is connected between battery the two poles of the earth; Described microprocessor is built-in with hypervisor, and hypervisor realizes the open and close of (1) secondary light source by described control circuit; (2) under coomand mode or above the certain hour of setting, automatically switch to periodically blink states of secondary light source.

8, the mine lamp that has flasher according to claim 7, it is characterized in that: microprocessor adopts PICl2C508, the switch control element adopts FET, the VCC port of PICl2C508 connects battery positive voltage, VSS port ground connection, the I/O port of PICl2C508 connects control button S1, other end ground connection or the battery positive voltage of control button S1, the I/O output port of PICl2C508 connects the grid of FET Q2, the grounded drain of FET Q2, its source electrode connects battery positive voltage through secondary light source L2; Described switch control element or employing pliotron or Darlington transistor, the control base stage of pliotron or Darlington transistor Q2 connects an I/O output port of microprocessor by current-limiting resistance R2, the grounded emitter of pliotron or Darlington transistor Q2, its colelctor electrode connects battery positive voltage through secondary light source L2.

9, the mine lamp that has flasher according to claim 7 is characterized in that: microprocessor adopts any one chip among PICl2C5XX series or the PICl0F200/202/204/205.

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