CN108650729A - A kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS) - Google Patents
A kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS) Download PDFInfo
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- CN108650729A CN108650729A CN201810297343.7A CN201810297343A CN108650729A CN 108650729 A CN108650729 A CN 108650729A CN 201810297343 A CN201810297343 A CN 201810297343A CN 108650729 A CN108650729 A CN 108650729A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
A kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS), including a light emitting module, it is characterised in that：Further include a first switch module, a second switch module and a signal switching module, first control terminal of the first switch module and second switch module is respectively used to be electrically connected with the light pulse signal of main control module and pps pulse per second signal, second control terminal of the first switch module and second switch module is respectively used to be electrically connected with the first output end and second output terminal of signal switching module, the input terminal of the signal switching module for being electrically connected with the switching signal of main control module, connect with light emitting module by the first switch module and second switch module.Single lamp dual control circuit reduction of the ammeter light pulse and pulse per second (PPS), design cost reduce, pcb board occupied space reduces.
Description
Technical field
The present invention relates to ammeter technical fields, and in particular to a kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS).
Background technology
Light pulse signal AP_CF2 ' and pps pulse per second signal are generally provided on existing ammeter, both pulse signals
Realization is realized by building two circuits as shown in Figure 1, the circuit using the triode V1 ' of a NPN type as
Switching tube, and the light pulse signal AP_CF2 ' or pps pulse per second signal that main control module is sent out come as the base level of triode V1 '
The on and off for controlling triode V1 ', exports so as to make the frequency scintillation of light emitting diode HL1 ' afterpulsing signals
Optical signal.
Although existing circuit can realize the light letter under output optical pulse signal AP_CF2 ' and pps pulse per second signal control
Number, but since pps pulse per second signal under normal circumstances is only used in external calibration, and be in most cases on the shelf
, two the same circuits of design, which can seem, in this way compares redundancy, is designed not only to this increase, and the occupancy of pcb board
Space can also increase, especially particularly evident when using plug-in unit light emitting diode.
Invention content
The technical problem to be solved by the present invention is to：There is provided a kind of circuit reduction, design cost reduces, pcb board occupied space
The ammeter light pulse of reduction and single lamp dual control circuit of pulse per second (PPS).
Technical solution of the invention is：A kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS), including a hair
Optical module, it is characterised in that：Further include a first switch module, a second switch module and a signal switching module, it is described
First control terminal of first switch module and second switch module is respectively used to and the light pulse signal of main control module and pulse per second (PPS)
Signal is electrically connected, and the second control terminal of the first switch module and second switch module is respectively used to and signal switching module
First output end and second output terminal electrical connection, the input terminal of the signal switching module is for the switching signal with main control module
Electrical connection, under same switching signal the first output end of signal switching module and second output terminal export different signals
And make in light pulse signal and pps pulse per second signal only that there are one play control action, the first switch module and a second switch module
It is combined with luminous module string in time point brighten the hair optical module is connected in first switch module or second switch module.
With the above structure, the present invention has the following advantages：
Single lamp dual control circuit of ammeter light pulse and pulse per second (PPS) of the present invention using signal switching module the first output end and
Second output terminal exports different signals under same switching signal, and both light pulse signal and pps pulse per second signal are controlled with this
In only there are one rise a control action, thereby realize two kinds of pulse signals share a light emitting diode, can not only reduce one
A light emitting diode, and integrated circuit also simplifies, and design cost reduces, pcb board occupied space reduces.
Preferably, the first switch module includes the first triode of a positive-negative-positive.Triode is small, it is contactless,
Long lifespan, it is cheap.
Preferably, the second switch module includes the second triode of a positive-negative-positive.Triode is small, it is contactless,
It is long lifespan, cheap.
Preferably, the light emitting module includes a light emitting diode.Light emitting diode is small, cheap, power consumption
It is low.
Preferably, the first switch module includes the first triode of a positive-negative-positive；The second switch module includes
Second triode of one positive-negative-positive；The light emitting module includes a light emitting diode and a first resistor；The signal switching module
Including a power supply, the third transistor of a NPN type, a second resistance, a 3rd resistor, one the 4th resistance, one the 5th electricity
Resistance, one the 6th resistance and one the 7th resistance；The first branch of the switching signal is connected to the one or three after connecting with 3rd resistor
The base stage of pole pipe, the second control terminal of the base stage of first triode as first switch module, the one of the second resistance
End is connected between 3rd resistor and the base stage of the first triode, and the other end is connected to first after merging together with light pulse signal
On the emitter of triode, the first control terminal of the emitter of first triode as first switch module；The switching
The second branch of signal is grounded after being sequentially connected in series the 4th resistance and the 5th resistance, and the base stage of the third transistor is connected to the 4th
Between resistance and the 5th resistance, the emitter of the third transistor is grounded, and the anode of the power supply is sequentially connected in series the 7th
The base stage of the second triode is connected to after resistance and the 6th resistance, the base stage of second triode is as second switch module
Second control terminal, the emitter of second triode is connected with pps pulse per second signal to be controlled as the first of second switch module
End, the collector of the third transistor are additionally attached between the 7th resistance and the 6th resistance, the current collection of first triode
The collector of pole and the second triode is connected to the anode of light emitting diode by first resistor after merging together, described to shine two
The minus earth of pole pipe.Component needed for the circuit is few, design cost is cheap, and can reliably control light pulse signal and pulse per second (PPS)
Branch where signal enables in turn according to actual needs, so as to shine by realizing shared one of two pulse signal circuits
The purpose of module.
Preferably, the signal switching module further includes an anti-error conducting diode, the anti-error conducting diode string
It is associated between the 7th resistance and the anode of power supply, anode is connected with the anode of power supply, cathode and the 7th resistance phase
Even.The setting can prevent the impact of low-voltage from the second diode being made to mislead when power supply is unstable.
Preferably, the light emitting module further includes a capacitance, the capacitance is connected in parallel on the both ends of light emitting diode.This sets
It sets and may filter that bad signal, to make the work of light emitting module more stablize.
Preferably, the power supply is 3.3V.The setting can make integrated circuit power consumption relatively low, energy saving.
Description of the drawings：
Fig. 1 is the circuit diagram that existing light pulse signal or pps pulse per second signal control a light emitting diode；
Fig. 2 is the schematic diagram of the function of single lamp dual control circuit of ammeter light pulse of the present invention and pulse per second (PPS)；
Fig. 3 is the circuit diagram of single lamp dual control circuit of ammeter light pulse of the present invention and pulse per second (PPS)；
In prior art diagram：V1’：Triode, AP_CF2 '：Light pulse signal, HL1 '：Light emitting diode；
In figure of the present invention：1- light emitting modules, 2- first switch modules, 3- second switch modules, 4- signal switching modules, K_
EN：Switching signal, AP_CF2：Light pulse signal, CLK：Pps pulse per second signal, V1：First triode, V2：Second triode, V3：
Third transistor, R1：First resistor, R2：Second resistance, R3：3rd resistor, R4：4th resistance, R5：5th resistance, R6：The
Six resistance, R7：7th resistance, HL1：Light emitting diode, C1：Capacitance, VD1：Anti-error conducting diode.
Specific implementation mode
Below in conjunction with the accompanying drawings, and in conjunction with the embodiments the present invention is described further.
Embodiment：
A kind of single lamp dual control circuit of ammeter light pulse and pulse per second (PPS), including a light emitting module 1, a first switch module 2,
First control of one second switch module 3 and a signal switching module 4, the first switch module 2 and second switch module 3
End processed is respectively used to be electrically connected with the light pulse signal AP_CF2 of main control module and pps pulse per second signal CLK, the first switch mould
Second control terminal of block 2 and second switch module 3 is respectively used to the first output end and second output terminal with signal switching module 4
Electrical connection, the input terminal of the signal switching module 4 with the switching signal K_EN of main control module for being electrically connected, for same
The first output end of signal switching module 4 and second output terminal export different signals and light pulse are made to believe under switching signal K_EN
Only there are one play control action, the first switch module 2 and a second switch module 3 in number AP_CF2 and pps pulse per second signal CLK
It connects with light emitting module 1 for time point brighten the hair optical module 1 to be connected in first switch module 2 or second switch module 3.
Single lamp dual control circuit of ammeter light pulse and pulse per second (PPS) of the present invention using signal switching module 4 the first output end and
Second output terminal exports different signals at same switching signal K_EN, and light pulse signal AP_CF2 and second arteries and veins are controlled with this
It rushes in signal CLK the two only there are one control action is played, thereby realizes two kinds of pulse signals and share a light emitting diode
HL1 can not only reduce by a light emitting diode HL1, but also integrated circuit also simplifies, and design cost reduces, pcb board occupies sky
Between reduce.
Preferably, the first switch module 2 includes the first triode V1 of a positive-negative-positive.Triode is small, oncontacting
Point, long lifespan, it is cheap.
Preferably, the second switch module 3 includes the second triode V2 of a positive-negative-positive.Triode is small, oncontacting
It is point, long lifespan, cheap.
Preferably, the light emitting module 1 includes a light emitting diode HL1.Light emitting diode HL1 is small, price is low
It is honest and clean, low in energy consumption.
Preferably, the first switch module 2 includes the first triode V1 of a positive-negative-positive；The second switch module 3
The second triode V2 including a positive-negative-positive；The light emitting module 1 includes an a light emitting diode HL1 and first resistor R1；It is described
Signal switching module 4 include a power supply, the third transistor V3 of a NPN type, a second resistance R2, a 3rd resistor R3,
One the 4th resistance R4, one the 5th resistance R5, one the 6th resistance R6 and one the 7th resistance R7；First of the switching signal K_EN
Road is connected to the base stage of the first triode V1 after connecting with 3rd resistor R3, the base stage of the first triode V1 is opened as first
The second control terminal of module 2 is closed, one end of the second resistance R2 is connected to the base stage of 3rd resistor R3 and the first triode V1
Between, the other end is connected to after merging together with light pulse signal AP_CF2 on the emitter of the first triode V1, and described first
First control terminal of the emitter of triode V1 as first switch module 2；The second branch of the switching signal K_EN is successively
It connects and is grounded after the 4th resistance R4 and the 5th resistance R5, the base stage of the third transistor V3 is connected to the 4th resistance R4 and the 5th
Between resistance R5, the emitter of the third transistor V3 is grounded, and the anode of the power supply is sequentially connected in series the 7th resistance R7
With the base stage for being connected to the second triode V2 after the 6th resistance R6, the base stage of the second triode V2 is as second switch module
The emitter of 3 the second control terminal, the second triode V2 is connected with pps pulse per second signal CLK as second switch module 3
The collector of first control terminal, the third transistor V3 is additionally attached between the 7th resistance R7 and the 6th resistance R6, and described
The collector of the collector of one triode V1 and the second triode V2 by first resistor R1 are connected to luminous two after merging together
The anode of pole pipe HL1, the minus earth of the light emitting diode HL1.Component needed for the circuit is few, design cost is cheap, and
Branch where light pulse signal AP_CF2 and pps pulse per second signal CLK can reliably be controlled enables in turn according to actual needs, to
The reliable purpose for realizing two pulse signal circuits and sharing a light emitting module 1.
Preferably, the signal switching module 4 further includes an anti-error conducting diode VD1, anti-two poles that mislead
Pipe VD1 is connected between the 7th resistance R7 and the anode of power supply, and anode is connected with the anode of power supply, cathode and
Seven resistance R7 are connected.The setting can prevent the impact of low-voltage from the second diode being made to mislead when power supply is unstable.
Preferably, the light emitting module 1, which further includes capacitance a C1, the capacitance C1, is connected in parallel on light emitting diode HL1's
Both ends.The setting may filter that bad signal, to make the work of light emitting module 1 more stablize.
Preferably, the power supply is 3.3V.The setting can make integrated circuit power consumption relatively low, energy saving.
Single lamp dual control circuit operation principle of ammeter light pulse and pulse per second (PPS) of the present invention is as follows：
When switching signal K_EN exports low level, third transistor V3 is in cut-off state, due to the second triode V2
Base stage be restricted to high level, therefore no matter pps pulse per second signal CLK is high level or low level, the second equal nothings of triode V2
Method is connected, i.e., the second triode V2 and third transistor V3 are turned off at this time, therefore light emitting diode HL1 is not by pps pulse per second signal
The control of CLK；And the first triode V1 with light pulse signal AP_CF2 high level when be connected and be in saturation state, when low level
Cut-off, therefore light emitting diode HL1 is with the rate-adaptive pacemaker optical signal of light pulse signal AP_CF2.When the high electricity of switching signal K_EN outputs
Usually, the first triode V1 is in cut-off state, and light emitting diode HL1 is not controlled by light pulse signal AP_CF2 at this time；And
Second triode V2 and third transistor V3 is connected and is in saturation state, light emitting diode HL1 with pps pulse per second signal CLK frequency
Rate exports optical signal.Therefore foregoing circuit realize pps pulse per second signal CLK and light pulse signal AP_CF2 share and Time-sharing control
The function of one light emitting diode HL1.
Claims (8)
1. single lamp dual control circuit of a kind of ammeter light pulse and pulse per second (PPS), including a light emitting module (1), it is characterised in that：Also wrap
Include a first switch module (2), a second switch module (3) and a signal switching module (4), the first switch module
(2) it is respectively used to and the light pulse signal of main control module (AP_CF2) and second arteries and veins with the first control terminal of second switch module (3)
Rush signal (CLK) electrical connection, the second control terminal of the first switch module (2) and second switch module (3) be respectively used to and
The first output end and second output terminal of signal switching module (4) are electrically connected, and the input terminal of the signal switching module (4) is used for
It is electrically connected with the switching signal (K_EN) of main control module, for the signal switching module (4) under same switching signal (K_EN)
First output end and second output terminal export different signals and make in light pulse signal (AP_CF2) and pps pulse per second signal (CLK)
Only there are one playing a control action, the first switch module (2) and second switch module (3) are connected with light emitting module (1) use
In in first switch module (2) or second switch module (3) conducting time point brighten the hair optical module (1).
2. single lamp dual control circuit of a kind of ammeter light pulse according to claim 1 and pulse per second (PPS), it is characterised in that：It is described
First switch module (2) includes the first triode (V1) of a positive-negative-positive.
3. single lamp dual control circuit of a kind of ammeter light pulse according to claim 1 and pulse per second (PPS), it is characterised in that：It is described
Second switch module (3) includes the second triode (V2) of a positive-negative-positive.
4. single lamp dual control circuit of a kind of ammeter light pulse according to claim 1 and pulse per second (PPS), it is characterised in that：It is described
Light emitting module (1) includes a light emitting diode (HL1).
5. single lamp dual control circuit of a kind of ammeter light pulse according to claim 1 and pulse per second (PPS), it is characterised in that：It is described
First switch module (2) includes the first triode (V1) of a positive-negative-positive；The second switch module (3) includes the of a positive-negative-positive
Two triodes (V2)；The light emitting module (1) includes a light emitting diode (HL1) and a first resistor (R1)；The signal is cut
It includes a power supply, the third transistor (V3) of a NPN type, a second resistance (R2), a 3rd resistor to change the mold block (4)
(R3), one the 4th resistance (R4), one the 5th resistance (R5), one the 6th resistance (R6) and one the 7th resistance (R7)；The switching letter
The first branch of number (K_EN) is connected to the base stage of the first triode (V1), the one or three pole after connecting with 3rd resistor (R3)
Second control terminal of the base stage of (V1) as first switch module (2) is managed, one end of the second resistance (R2) is connected to third
Between resistance (R3) and the base stage of the first triode (V1), the other end is connected to after merging together with light pulse signal (AP_CF2)
On the emitter of first triode (V1), the emitter of first triode (V1) as first switch module (2) first
Control terminal；The second branch of the switching signal (K_EN) is sequentially connected in series the 4th resistance (R4) and the 5th resistance (R5) is grounded afterwards,
The base stage of the third transistor (V3) is connected between the 4th resistance (R4) and the 5th resistance (R5), the third transistor
(V3) emitter ground connection, the anode of the power supply are connected to after being sequentially connected in series the 7th resistance (R7) and the 6th resistance (R6)
The base stage of second triode (V2), the second control terminal of the base stage of second triode (V2) as second switch module (3),
The emitter of second triode (V2) is connected with pps pulse per second signal (CLK) to be controlled as the first of second switch module (3)
End, the collector of the third transistor (V3) are additionally attached between the 7th resistance (R7) and the 6th resistance (R6), and described first
The collector of triode (V1) and the collector of the second triode (V2) by first resistor (R1) are connected to hair after merging together
The anode of optical diode (HL1), the minus earth of the light emitting diode (HL1).
6. single lamp dual control circuit of a kind of ammeter light pulse according to claim 5 and pulse per second (PPS), it is characterised in that：It is described
Signal switching module (4) further includes an anti-error conducting diode (VD1), and the anti-error conducting diode (VD1) is connected on the 7th
Between the anode of power supply, anode is connected resistance (R7) with the anode of power supply, cathode and the 7th resistance (R7) phase
Even.
7. single lamp dual control circuit of a kind of ammeter light pulse according to claim 5 and pulse per second (PPS), it is characterised in that：It is described
Light emitting module (1) further includes a capacitance (C1), and the capacitance (C1) is connected in parallel on the both ends of light emitting diode (HL1).
8. single lamp dual control circuit of a kind of ammeter light pulse according to claim 5 and pulse per second (PPS), it is characterised in that：It is described
Power supply is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297343.7A CN108650729B (en) | 2018-03-30 | 2018-03-30 | Single-lamp double-control circuit for ammeter light pulse and pulse per second |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297343.7A CN108650729B (en) | 2018-03-30 | 2018-03-30 | Single-lamp double-control circuit for ammeter light pulse and pulse per second |
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| Publication Number | Publication Date |
|---|---|
| CN108650729A true CN108650729A (en) | 2018-10-12 |
| CN108650729B CN108650729B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810297343.7A Active CN108650729B (en) | 2018-03-30 | 2018-03-30 | Single-lamp double-control circuit for ammeter light pulse and pulse per second |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5008631A (en) * | 1989-08-16 | 1991-04-16 | Hewlett-Packard Company | Pulse analyzer with gain compression |
| CN102298893A (en) * | 2010-06-28 | 2011-12-28 | 北京大学深圳研究生院 | Source electrode driving circuit and display device |
| CN102478195A (en) * | 2010-11-29 | 2012-05-30 | 陈家德 | Light-emitting lamp fitting based on hybrid power supply as well as hybrid power supply device and method thereof |
| CN103427807A (en) * | 2013-07-12 | 2013-12-04 | 华立仪表集团股份有限公司 | Electricity meter pulse modulation circuit and method |
| CN105702213A (en) * | 2016-03-22 | 2016-06-22 | 北京大学深圳研究生院 | Display device and display driver |
-
2018
- 2018-03-30 CN CN201810297343.7A patent/CN108650729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5008631A (en) * | 1989-08-16 | 1991-04-16 | Hewlett-Packard Company | Pulse analyzer with gain compression |
| CN102298893A (en) * | 2010-06-28 | 2011-12-28 | 北京大学深圳研究生院 | Source electrode driving circuit and display device |
| CN102478195A (en) * | 2010-11-29 | 2012-05-30 | 陈家德 | Light-emitting lamp fitting based on hybrid power supply as well as hybrid power supply device and method thereof |
| CN103427807A (en) * | 2013-07-12 | 2013-12-04 | 华立仪表集团股份有限公司 | Electricity meter pulse modulation circuit and method |
| CN105702213A (en) * | 2016-03-22 | 2016-06-22 | 北京大学深圳研究生院 | Display device and display driver |
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| Publication number | Publication date |
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| CN108650729B (en) | 2020-04-07 |
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