CN2606408Y - Mineral light for infrared code attendance - Google Patents
Mineral light for infrared code attendance Download PDFInfo
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- CN2606408Y CN2606408Y CN 03215359 CN03215359U CN2606408Y CN 2606408 Y CN2606408 Y CN 2606408Y CN 03215359 CN03215359 CN 03215359 CN 03215359 U CN03215359 U CN 03215359U CN 2606408 Y CN2606408 Y CN 2606408Y
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Abstract
The utility model provides an infrared coded cap lamp used to check attendance, consisting of a battery, an electric wire, a lamp burner and an infrared code transmission circuit in the lamp burner. The lamp burner circuit of codifying, modulating and driving and infrared ray transmission consists of a single chip microcomputer, a reset circuit of the single chip microcomputer, a protective resistor, an infrared emitting diode, etc. The single chip microcomputer simplifies the circuit, reduces the number of elements and the rate of failures. The recording of the attendance-checking codes into the internal system memory of the single chip microcomputer realizes rapid compilation of attendance-checking codes, reduces the amount of work and improves the work efficiency. The system of the single chip microcomputer controls the transmission time of the infrared codes to electric energy and the system enters a sleep mode after emission, which greatly saves energy consumption. The system of the single chip microcomputer controls the pulse width of the infrared codifying signals and is capable of increasing the pulse width and capable of improving the receiving sensitivity and reliability of the infrared coded attendance-checking devices.
Description
Affiliated technical field
The utility model relates to miner's infra-red code Work attendance device of going into the well, a kind of infra-red code work attendance mine lamp of particularly using in this infra-red code is gone into the well Work attendance device.
Background technology
China's utility model patent communique the 12nd volume, the patent of " miner go into the well automatic Work attendance device " is disclosed for No. 16, its patent No.: ZL 94240394.0, Granted publication number: CN 222067Y.Its purpose is: provide a kind of by being convenient to the coding device that the miner goes into the well and carries and have the work attendance code, and the automatic Work attendance device that the attendance recorder that coding is decoded, stored is formed.Its formation is: the coding device that the work attendance code is arranged that the miner carries, adopt the infra-red code signal projector that is contained in the holder of miner's lampe; Attendance recorder adopts has the attendance recorder that the infra-red code signal receives the decode circuit.Infra-red code transmitter on its lamp holder circuit board does with coding integrated circuit ED5026 that coding circuit, time base circuit NE555 are made modulation drive circuit, infrared LED is made the infrared device.Its weak point is: the element that the infra-red code radiating circuit of holder of miner's lampe circuit board is used is more, and circuit is complicated; The establishment of work attendance code is that the method for the printed circuit board (PCB) bus that connects with the disconnected coding of graduating with cutter integrated circuit pin realizes that method is backward, workload is big.
Summary of the invention
Go into the well in order to overcome existing infra-red code miner that holder of miner's lampe infra-red code transmitter in the Work attendance device is many with element, circuit is complicated, the deficiency of work attendance coding method backwardness, the utility model provides a kind of infra-red code work attendance mine lamp, and the infra-red code radiating circuit of its lamp holder circuit board is simple, element is few, can realize the automatic typing of work attendance coded program.
The technical scheme that its technical matters that solves the utility model adopts is:
By accumulator, mine lamp cable, holder of miner's lampe, be positioned at the infra-red code work attendance mine lamp that the infra-red code radiating circuit plate of lamp holder constitutes, the circuit of its lamp holder circuit board is made of coding circuit, modulation drive circuit, infrarede emitting diode, protective resistance.Its coding circuit and modulation drive circuit adopt the single-chip microcomputer of a slice band internal program memory, and the I/O mouth of this single-chip microcomputer is connected with infrarede emitting diode, the termination reset circuit that resets of single-chip microcomputer.
The technical scheme that its technical matters that solves the utility model adopts can also be:
The infra-red code work attendance is connected with infrarede emitting diode with several I/O ends back in parallel of the single-chip microcomputer of the lamp holder circuit board of mine lamp, and its reset circuit adopts the RC reset circuit.
The infra-red code work attendance connects outside RC oscillatory circuit with the external oscillator input end of the single-chip microcomputer of the lamp holder circuit board of mine lamp.
The infra-red code work attendance connects the crystal oscillating circuit that is made of quartz crystal unit, capacitor with the external oscillator input end of the single-chip microcomputer of holder of miner's lampe circuit board.
The beneficial effects of the utility model are:
The coding circuit of lamp holder circuit board 1. of the present utility model and modulation drive circuit are only realized with a slice single-chip microcomputer, have simplified circuit, have reduced element, have dwindled volume, reduce failure rate.Because the work attendance numbering is that the internal program memory that utilizes fever writes to be burnt to single-chip microcomputer is finished behind the employing single-chip microcomputer, can realize the quick establishment of work attendance numbering, reduces workload, increases work efficiency, and saves manually.
2. the Single Chip Microcomputer (SCM) program control infrared time, can reduce working current, save electric energy, especially single-chip microcomputer and go into the sleep mode in that the coded signal emission is laggard, can make that energy consumption greatly reduces.
3. the pulse width of infra-red code signal can be controlled by Single Chip Microcomputer (SCM) program.Change dutycycle, suitably increase pulsewidth, can improve the receiving sensitivity of infra-red code signal, increase the reliability that signal is differentiated.
Description of drawings
Fig. 1 is lamp holder circuit board (the using inner RC oscillator) circuit theory diagrams of the utility model embodiment 1
Fig. 2 is the arrangements of elements figure of the lamp holder circuit board of the utility model embodiment 1
Fig. 3 is lamp holder circuit board (use crystal oscillator) circuit theory diagrams of the utility model embodiment 2
Fig. 4 is lamp holder circuit board (the using outside RC oscillator) circuit theory diagrams of the utility model embodiment 3
Among the figure: 1-lamp holder printed circuit board (PCB), the outside oscillation resistance of negative wire, 3-positive source mounting hole, IC1-single-chip microcomputer, R1-protective resistance, R2-reset resistor, R3-current-limiting resistance, R4-of 2-band fork-shaped weld tabs, C1-reset capacitance, C2-electric capacity, C3-electric capacity, the outside oscillating capacitance of C4-, LED1-infrared light emitting diode, X1-quartz crystal unit
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Fig. 1 illustrates a kind of form of the utility model infra-red code work attendance with the holder of miner's lampe board circuit: promptly adopt single-chip microcomputer to make coding, modulation drive circuit, and utilize its inner RC oscillator to make clock source.The circuit of lamp holder circuit board is by single-chip microcomputer (IC1), protective resistance (R1), the infrarede emitting diode formations such as (LED1) of a slice band internal program memory.Single-chip microcomputer (IC1) is made the coding circuit and the modulation drive circuit of infra-red code signal.Physical circuit connects as follows:
The positive terminal (VDD) of single-chip microcomputer (IC1) connects positive source, is the positive pole of miner light storage battery that the earth terminal (VSS) of single-chip microcomputer (IC1) connects power cathode through protective resistance (R1).
Several I/O end parallel connection of single-chip microcomputer (IC1) is after current-limiting resistance (R3) is connected with the negative pole of infrarede emitting diode (LED1), and the positive pole of infrarede emitting diode (LED1) connects positive source.The I/O end is in parallel to be used, and can improve the reliability of circuit.
The reset terminal (RESET) of single-chip microcomputer (IC1) connects the RC reset circuit.The RC reset circuit is made of resistance (R2), electric capacity (C1).Be connected between single-chip microcomputer positive terminal (VDD) and the earth terminal (VSS) after resistance (R2) and electric capacity (C1) series connection, the link of resistance (R2) and electric capacity (C1) connects the reset terminal (RESET) of single-chip microcomputer.
Single-chip microcomputer (IC1) is made clock source with its inner RC oscillator.Its oscillation frequency can be selected between 9.99 megahertzes at 385 kilo hertzs, and finish by the fever writes burning the selected back of frequency.
Single-chip microcomputer (IC1) must adopt the band internal program memory, can adopt 8 single-chip microcomputer series of EMC Inc., also can adopt 8 single-chip microcomputer series of other companies.The pin of single-chip microcomputer is generally selected 8～14 pin for use, preferably selects 8 pin.
Utilize in the internal program memory that work attendance coded program that special-purpose fever writes writes needs and launching procedure be burnt to single-chip microcomputer, directly drive infrarede emitting diode, send the infra-red code signal by the I/O port of single-chip microcomputer.The emission of infra-red code signal can be a dual mode by programmed control: a kind of emission when being long, and identical with integrated circuit coding radiation pattern; Another kind is to launch in short-term, promptly enters sleep state at infra-red code signal emission back single-chip microcomputer.Dual mode is all than integrated circuit coding emission power saving, but the latter is more remarkable.But, the latter need reclose the power switch of a mine lamp when each work attendance.
Fig. 2 shows the concrete deployment scenarios of each element of lamp holder circuit board of embodiment 1.
The utility model infra-red code work attendance other parts of mine lamp: accumulator, mine lamp cable, holder of miner's lampe are all identical with existing infra-red code work attendance mine lamp.Different only is the lamp holder circuit board.The lamp holder circuit board still is mounted on the back side of lamp holder reflective mirror, and infrared LED should be aimed at the hole on the reflective mirror.
Embodiment 2:
Fig. 3 illustrates the another kind of form of the utility model holder of miner's lampe board circuit: single-chip microcomputer uses external crystal oscillator or ceramic resonator (X1) to make clock source.The external oscillator input end of single-chip microcomputer (IC1) (OSC1, OSC2) connects the crystal oscillating circuit of being made up of quartz crystal unit (X1), capacitor (C2) and capacitor (C3).Except oscillator and embodiment 1 were different, all the other were all identical with embodiment 1.In order to reduce cost, crystal oscillator (X1) generally selects for use ceramic vibrator to meet the demands, and its frequency can be selected as required.The capacity of capacitor (C2) and (C3) can be selected according to the different of crystal oscillator frequency.
Embodiment 3:
Fig. 4 illustrates another form of the utility model holder of miner's lampe board circuit: single-chip microcomputer uses outside RC oscillator to make clock source.The external oscillator input end (OSC1) of single-chip microcomputer (IC1) be connected with oscillating capacitance (C4) by oscillation resistance (R4).Oscillation resistance (R4) can be selected according to the different requirements to oscillation frequency with oscillating capacitance (C4).The value of oscillating capacitance (C4) can not be less than 20PF.All the other are identical with embodiment 1.
Component table: the C1:0.01 μ F such as R1:200 Ω～910 Ω C2:15PF～150PF R2:200KO～510K Ω C3:15PF～150PF R3:20 Ω～82 Ω C4:22PF～510PF R4:200K Ω～510K Ω LED1:PH303～1 μ F IC1:EM78P153E, PIC12C509 etc.
Claims (4)
1. infra-red code work attendance mine lamp; comprise accumulator; the mine lamp cable; holder of miner's lampe; be positioned at the infra-red code radiating circuit plate of lamp holder; the circuit of its lamp holder circuit board comprises coding circuit; modulation drive circuit; infrarede emitting diode (LED1); protective resistance (R1); it is characterized in that: said coding circuit and modulation drive circuit are the single-chip microcomputers (IC1) of a slice band internal program memory; the I/O end of this single-chip microcomputer is connected with said infrarede emitting diode (LED1), and the reset terminal of single-chip microcomputer (RESET) is connected with reset circuit.
2. infra-red code work attendance mine lamp according to claim 1 is characterized in that: be connected with infrarede emitting diode after several I/O mouth parallel connection of said single-chip microcomputer (IC1), said reset circuit is RC reset circuit (R2, C1).
3. infra-red code work attendance mine lamp according to claim 1 is characterized in that: the external oscillator input end (OSC1) of said single-chip microcomputer connects RC oscillatory circuit (R4, C4).
4. infra-red code work attendance mine lamp according to claim 1 is characterized in that: the external oscillator input end of said single-chip microcomputer (OSC1, OSC2) connects the crystal oscillating circuit that comprises quartz crystal unit (X1), capacitor (C2, C3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03215359 CN2606408Y (en) | 2003-02-28 | 2003-02-28 | Mineral light for infrared code attendance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03215359 CN2606408Y (en) | 2003-02-28 | 2003-02-28 | Mineral light for infrared code attendance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606408Y true CN2606408Y (en) | 2004-03-10 |
Family
ID=34160199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03215359 Expired - Fee Related CN2606408Y (en) | 2003-02-28 | 2003-02-28 | Mineral light for infrared code attendance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606408Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672429A (en) * | 2012-09-26 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Flashlight circuit and flashlight |
-
2003
- 2003-02-28 CN CN 03215359 patent/CN2606408Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672429A (en) * | 2012-09-26 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Flashlight circuit and flashlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040310 |