CN203352902U - State indicating lamps of a multifunction state combination meter - Google Patents
State indicating lamps of a multifunction state combination meter Download PDFInfo
- Publication number
- CN203352902U CN203352902U CN 201320426710 CN201320426710U CN203352902U CN 203352902 U CN203352902 U CN 203352902U CN 201320426710 CN201320426710 CN 201320426710 CN 201320426710 U CN201320426710 U CN 201320426710U CN 203352902 U CN203352902 U CN 203352902U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- triode
- indicating lamps
- state indicating
- indicator lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses state indicating lamps of a multifunction state combination meter. The state indicating lamps comprise a control circuit and a lamp panel which is provided with the state indicating lamps. The control circuit comprises a control panel which is provided with a one-chip microcomputer. The PWM output terminal of the one-chip microcomputer is connected to a MOS transistor which controls a power supply of the state indicating lamps through a first triode. The MOS transistor is connected with the corresponding negative poles of the state indicating lamps on the lamp panel through printed circuit board connecting lines. The control panel is provided with a power module for supplying power to each component in the control circuit. Locomotive sensor signals are processed through an input circuit and an isolation circuit, output to corresponding points of an interface by the triode, and corresponding state indicating lamps on the lamp panel are lightened through the printed circuit board connecting lines; a PWM signal output by the one-chip microcomputer controls the MOS transistor to control the power supply of the state indicating lamps through the triode; the brightness of all the state indicating lamps is adjusted and controlled through the PWM control mode, so that energy consumption and heat production are reduced and performance reliability of the equipment is improved.
Description
Technical field
The utility model relates to a kind of status indicator lamp of Multifunctional status combination instrument.
Background technology
The Multifunctional status combination instrument is widely used in railway electric locomotive, diesel locomotive, is mainly used in the demonstration of part signal of interest in locomotive, is the important instrument that the trainman judges locomotive work at present state.Status indicator lamp is the significant components of Multifunctional status combination instrument, and its major function is that the cab signal to current access Multifunctional status combination instrument is shown.Existing status indicator lamp technology is very backward, and power consumption is large, and caloric value is large, poor reliability.Therefore need a kind of novel status indicator lamp to substitute backward products.
The utility model content
The purpose of this utility model is to provide a kind of status indicator lamp of Multifunctional status combination instrument, this status indicator lamp is not in the situation that change original status indicator lamp all functions and operating habit, solved original status indicator lamp power consumption large, caloric value is large, the problem of poor reliability.
For achieving the above object, the technical solution adopted in the utility model is: the lamp plate that comprises control circuit and status indicator lamp is installed; Control circuit comprises control board, be provided with single-chip microcomputer on control board, the PWM output of described single-chip microcomputer, be connected on the metal-oxide-semiconductor as the state of a control pilot lamp power by the first triode, and metal-oxide-semiconductor is connected with the negative pole of status indicator lamp corresponding on lamp plate by the printed board connecting line again; On control board, also be provided with for the power module to each element power supply on control circuit.
Be provided with brightness self-correcting control signal output on above-mentioned single-chip microcomputer, and this output is connected with the base stage of the second triode, the collector electrode of the second triode is connected with the trigger end of relay, the emitter-base bandgap grading of the second triode is connected with 0V, realizes the flashing function of brightness self-correcting by the cooperation of single-chip microcomputer, metal-oxide-semiconductor and electromagnetic relay.
On above-mentioned single-chip microcomputer, be connected with for recording the storage chip of current state indicator light brightness.
Above-mentioned single-chip microcomputer is connected with outside button by the button connecting line.
Above-mentioned power module is powered to each element on control circuit by the voltage stabilizing chip.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is connected control circuit by the printed board connecting line with lamp plate, utilize power module to provide working power by control circuit and printed board connecting line to the status indicator lamp on lamp plate after the electrical locomotive power step-down; Locomotive sensor device signal outputs on the corresponding points of interface through triode, then lights status indicator lamp corresponding on lamp plate by the printed board connecting line after processing by input circuit and buffer circuit; The single-chip microcomputer output pwm signal is through the metal-oxide-semiconductor of triode state of a control pilot lamp power, and all status indicator lamps all carry out brightness regulation control by the PWM control mode, thereby have reduced energy consumption and heat production, have improved the reliability of equipment performance.
Further, single-chip microcomputer output brightness self-correcting control signal, by the triode control relay, realizes the flashing function of brightness self-correcting.
Further, button connecting line of the present utility model connects outer button, by single-chip microcomputer, judges the operation that the driver and conductor is different to button, can realize status indicator lamp brightness regulation, brightness self-checking function.
Further, the utility model control board circuit records the brightness of current state indicator light by storage chip, in order to realize the having brightness memory function when the locomotive power-off restarting.
The accompanying drawing explanation
Fig. 1 is interarea view of the present utility model.
Wherein, 1 is control board; 2 is power module; 3 is the voltage stabilizing chip; 4 is storage chip; 5 is single-chip microcomputer; 6 is metal-oxide-semiconductor; 7 is relay; 8 is the button connecting line; 9 is lamp plate; 10 is status indicator lamp; 11 is the printed board connecting line.
Embodiment
Below in conjunction with accompanying drawing, operation principle of the present utility model is described in further detail.
Referring to Fig. 1, the lamp plate 9 that the utility model comprises control circuit and status indicator lamp 10 is installed; Control circuit comprises control board 1, be provided with single-chip microcomputer 5 on control board 1, the PWM output of described single-chip microcomputer 5, the first triode is connected on the metal-oxide-semiconductor 6 as the state of a control pilot lamp power, and metal-oxide-semiconductor 6 is connected with the negative pole of status indicator lamp 10 corresponding on lamp plate 9 by printed board connecting line 11 again; Be provided with brightness self-correcting control signal output on single-chip microcomputer 5, and this output is connected with the base stage of the second triode, the collector electrode of the second triode is connected with the trigger end of relay 7, the emitter-base bandgap grading of the second triode is connected with 0V, realizes the flashing function of brightness self-correcting by the cooperation of single-chip microcomputer, metal-oxide-semiconductor 6 and electromagnetic relay 7; On single-chip microcomputer 5, be connected with for recording the storage chip 4 of current state indicator light brightness; Single-chip microcomputer 5 also is connected with outside button by button connecting line 8; On control board 1, also be provided with for the power module 2 to storage chip 4, single-chip microcomputer 5, metal-oxide-semiconductor 6 and relay 7 power supplies, wherein, power module 2 is given storage chip 4, single-chip microcomputer 5, metal-oxide-semiconductor 6 and relay 7 power supplies by voltage stabilizing chip 3.
The specific works principle:
The utility model power module 2 will provide working power by control circuit and printed board connecting line to status indicator lamp 10 loops on lamp plate 9 after the electrical locomotive power step-down, gives other element power supplies on single-chip microcomputer 5 and control board 1 by voltage stabilizing chip 3 simultaneously; Locomotive sensor device signal outputs on the corresponding points of interface through triode, then lights status indicator lamp 10 corresponding on lamp plate 9 by printed board connecting line 11 after processing by input circuit and buffer circuit; Button connecting line 8 connects outer button, by the single-chip microcomputer 5 judgement driver and conductor operation different to button, can realize status indicator lamp 10 brightness regulation, brightness self-checking function; Single-chip microcomputer 5 output pwm signals are through the metal-oxide-semiconductor 6 of triode state of a control pilot lamp power, and all status indicator lamps 10 all carry out brightness regulation control by the PWM control mode; Single-chip microcomputer 5 output brightness self-correcting control signals, through triode control relay 7, realize the flashing function of brightness self-correcting; Circuit records 10 brightness of current state indicator light by storage chip 4, in order to realize the having brightness memory function when the locomotive power-off restarting.
Claims (5)
1. the status indicator lamp of a Multifunctional status combination instrument, is characterized in that: the lamp plate (9) that comprises control circuit and status indicator lamp (10) are installed; Control circuit comprises control board (1), be provided with single-chip microcomputer (5) on control board (1), the PWM output of described single-chip microcomputer (5) is connected on the metal-oxide-semiconductor (6) as the state of a control pilot lamp power by the first triode, and metal-oxide-semiconductor (6) is connected by the negative pole of status indicator lamp (10) corresponding on printed board connecting line (11) and lamp plate (9) again; On control board (1), also be provided with for the power module (2) to each element power supply on control circuit.
2. the status indicator lamp of Multifunctional status combination instrument according to claim 1, it is characterized in that: be provided with brightness self-correcting control signal output on described single-chip microcomputer (5), and this output is connected with the base stage of the second triode, the collector electrode of the second triode is connected with the trigger end of relay (7), the emitter-base bandgap grading of the second triode is connected with the 0V line, realizes the flashing function of brightness self-correcting by the cooperation of single-chip microcomputer, metal-oxide-semiconductor (6) and electromagnetic relay (7).
3. the status indicator lamp of Multifunctional status combination instrument according to claim 1, is characterized in that: be connected with the storage chip (4) for recording the brightness of current state indicator light on described single-chip microcomputer (5).
4. the status indicator lamp of Multifunctional status combination instrument according to claim 1 is characterized in that: described single-chip microcomputer (5) is connected with outside button by button connecting line (8).
5. the status indicator lamp of Multifunctional status combination instrument according to claim 1 is characterized in that: described power module (2) by voltage stabilizing chip (3) to each element power supply on control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426710 CN203352902U (en) | 2013-07-15 | 2013-07-15 | State indicating lamps of a multifunction state combination meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426710 CN203352902U (en) | 2013-07-15 | 2013-07-15 | State indicating lamps of a multifunction state combination meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352902U true CN203352902U (en) | 2013-12-18 |
Family
ID=49752745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320426710 Expired - Fee Related CN203352902U (en) | 2013-07-15 | 2013-07-15 | State indicating lamps of a multifunction state combination meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352902U (en) |
-
2013
- 2013-07-15 CN CN 201320426710 patent/CN203352902U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20180715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |