CN203535084U - Dual-infrared electrical pulse collector - Google Patents
Dual-infrared electrical pulse collector Download PDFInfo
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- CN203535084U CN203535084U CN201320598693.XU CN201320598693U CN203535084U CN 203535084 U CN203535084 U CN 203535084U CN 201320598693 U CN201320598693 U CN 201320598693U CN 203535084 U CN203535084 U CN 203535084U
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- amplifying circuit
- light emitting
- resistance
- darlington
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Abstract
The utility model discloses a dual-infrared electrical pulse collector, and the collector comprises transmission-type infrared transceivers. The number of the transmission-type infrared transceivers is two, wherein one transmission-type infrared transceiver is connected with a first Darlington amplification circuit which is connected with a first Schmitt trigger, and the other transmission-type infrared transceiver is connected with a second Darlington amplification circuit which is connected with a second Schmitt trigger. The collector enhances the judgment sensitivity and reliability of an electric meter.
Description
Technical field
The utility model relates to a kind of assembly of ammeter, relates in particular to a kind of pair of infrared electrical pulse sampling apparatus.
Background technology
The electric quantity data of digitizing ammeter statistics, mainly contains the modes such as direct-injection type infrared collecting, reflective collection and Hall element collection at present.Existing Pulse sampling device is just converted to electric pulse number by the number of turns of the dial rotation of ammeter, then according to electric meter constant, calculates charge value, and its power consumption statistical is accurate, but because the reason of cost aspect still has a large amount of mechanical electricity meters using.Power supply unit, for the generation of electricity theft prevention behavior, especially for the stem-winder that there is no anti-stealing electricity function, need to be monitored user power utilization behavior.In the utility model patent " two infrared electrical pulse sampling apparatus " of on November 27th, 2008 application, it comprises applicant: 2 reflective infrared transceivers, and two reflective spacing are less than 1cm, preferably resolve the anti-electricity-theft problem of mechanical electricity meter, but the electrical pulse sampling apparatus of the type adopts reflective infrared transceiver, when coordinating with the rotating disk of mechanical electricity meter, to absorb by the black line established on rotating disk the infrared ray that reflective infrared transceiver sends, thereby produce control electric signal and carry out step-by-step counting and anti-electricity-theft, and the effect of the infrared ray absorbing of black line, functional reliability and the accuracy of collecting device have directly been affected, the use of frequent time of ammeter easily causes the functional reliability of collector and the situation that accuracy declines.
Utility model content
The utility model object is to provide two infrared electrical pulse sampling apparatus, and it has improved functional reliability and the accuracy of Pulse sampling device for above-mentioned defect.
The purpose of this utility model realizes by following structure, it comprises: 2 light emitting diodes are respectively the first light emitting diode and the second light emitting diode, the first light emitting diode connects one end of the first darlington amplifying circuit, the first darlington amplifying circuit connects the first Schmidt trigger, the second light emitting diode connection reaches second Islington amplifying circuit one end, the second darlington amplifying circuit connects the second Schmidt trigger, the first transmission type photoelectric pipe corresponding with the first light emitting diode connects the other end of the first darlington amplifying circuit, the second transmission type photoelectric pipe corresponding with the second light emitting diode connects the other end of the second darlington amplifying circuit.
2 triodes of the first described darlington amplifying circuit connect respectively the 3rd current-limiting resistance and the 4th current-limiting resistance, and 2 triodes of the second darlington amplifying circuit connect respectively the 6th current-limiting resistance and the 7th current-limiting resistance.
Shaping in parallel the 3rd electric capacity, the 9th resistance and voltage clamping the first diode and the second diode between the first described darlington amplifying circuit and the first Schmidt trigger, shaping in parallel the 4th electric capacity, the tenth resistance and voltage clamping the 3rd diode and the 4th diode between the second darlington amplifying circuit and the second Schmidt trigger.
The utility model is by adopting be provided with transmission shaft parallel with rotary broom axle, belt from rotary broom axle two ends by both sides synchronously sends the power of drive motor to rotary broom axle, it is consistent making the two ends rotating speed of rotary broom axle, can, because the elasticity of belt is different, not affect the rotating speed of motor.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the utility model.。
Embodiment
The utility model comprises as shown in Figure 1: TFK1 and TFK2 are reflective infrared transceiver, reflective infrared transceiver is 2, and the spacing of 2 reflective infrared transceivers is less than lcm, the first reflective infrared transceiver TFK1 output-parallel the first debounce capacitor C l and the second resistance R 2, the second reflective infrared transceiver TFK2 output-parallel the second debounce capacitor C 2 and the 3rd resistance R 3, the first reflective infrared transceiver connects the first darlington amplifying circuit, the first darlington amplifying circuit connects the first Schmidt trigger UIA, the first schmitt trigger is chip CD40106 reverser with Schmidt trigger, pulse can be shaped as to the output of standard square wave and be convenient to single-chip microcomputer collection and judgement, the second reflective infrared transceiver connects the second darlington amplifying circuit, the second darlington amplifying circuit connects the second Schmidt trigger UIB.The first darlington amplifying circuit the first current-limiting resistance Rl in parallel and the first pulse pilot lamp LED1; the first current-limiting resistance Rl is 200 Europe current-limiting resistances; restriction infrared emission size of current, protection power valve, the second darlington amplifying circuit the 5th current-limiting resistance R5 in parallel and the second pulse pilot lamp LED2.2 triodes of the first darlington amplifying circuit connect respectively the 3rd current-limiting resistance R3 and the 4th current-limiting resistance R4, and 2 triodes of the second darlington amplifying circuit connect respectively the 6th current-limiting resistance R6 and the 7th current-limiting resistance R7.Shaping in parallel the 3rd capacitor C 3, the 9th resistance R 9 and voltage clamping the first diode between the first darlington amplifying circuit and the first Schmidt trigger.
Dl and the second diode D2, the first diode Dl and the second diode D2 are 1N4148 diode, by pulse output level clamper between 0～5v, shaping in parallel the 4th capacitor C 4, the tenth resistance R l0 and voltage clamping the 3rd diode D3 and the 4th diode D4 between the second darlington amplifying circuit and the second Schmidt trigger.Connection terminal 1, pin l, 2 is respectively 1,2 tunnel pulses outputs, and pin 3 is for digitally, and pin 4 is 5V system power supply.The second resistance R 2 and the 5th resistance R 5 provide the initial high level of pulse amplifying circuit; The 3rd resistance R 3, the 4th resistance R 4, the six, resistance R 6, the seven R7 are respectively the current-limiting resistance of two-circuit infrared pulse amplifying return circuit, the first triode oi and the second triode Q2 form the first darlington amplifying circuit, and the 3rd triode Q3 and the 4th triode Q4 form the second darlington amplifying circuit.The 3rd capacitor C 3, the four capacitor C 4, the nine resistance R 9, the ten resistance R l0 form shaping pulse and remove high-frequency interferencing circuit.
While using the utility model, this collector is arranged on mechanical watchcase inner meter dial below, and infrared collecting head is apart from the about l centimeters of dial plate, and dial plate below needs to smear or pastes black paint line and identifies as step-by-step counting.When dial plate is static and infrared head over against dial plate during without tag slot, the infrared beam that the first reflective infrared transceiver TFK1 and the second reflective infrared transceiver TFK2 send is through the infrared receiving tube of dial plate reflection, C now, E is in conducting state, the first resistance R 2, the 3rd resistance R 3, the 4th resistance R 4 and the first capacitor C l node place are low level, the first triode Ql, the second triode Q2 and the 3rd triode Q3, the 4th triode Q4 is in by state, the effect of pulse band Schmidt trigger, be output as high level, the first pulse indication LED 1 and the second pulse indication LED 2 are the state of going out, when ammeter forward, the pitch-dark line of dial plate is first through the first reflective infrared transceiver TFK1, the infrared light sending not to be returned by black paint line absorption reflection, phototriode is in cut-off state, the first triode Ql, the base stage b of the second triode 02 is high level, collector c and emitter e conducting, taps PULSE1 level is by high step-down, now the second reflective infrared transceiver TFK2 is still outside black line, and infrared light reflects through dial plate, and phototriode is in opening state, and the base stage b of the 3rd triode Q3 and the 4th triode Q4 is low level, and collector c and emitter e are in cut-off state.Same principle, when black line is gone to the second reflective infrared transceiver TFK2 top, taps PULSE2 is low level, and the first reflective infrared transceiver TFK1 is outside black line, now taps PULSE1 is uprised by low.And so forth, taps PULSE1 is the first place in impulse hits all the time, and PULSE2 following closely.For reversal connection line stealing method, when ammeter reverses, its sequential is just the opposite, whether the single-chip microcomputer of kilowatt meter recorder can be judged ammeter running status according to the direction of impulse hits sequential and reverse accordingly, thereby then adopts software digital filter means paired pulses to process can to get rid of the pulse causing because of shunt running and obtain umber of pulse accurately.For lacking zero stealing method, in electric supply meter outlet, connect a Miniature high-sensitivity current transformer, although user lacks zero but form loop between live wire and the earth, on live wire, have electric current, current transformer induces certain electric current, on induction output loop, be connected in series a resistance, at resistance two ends, can form the voltage being directly proportional to electric current, the single-chip microcomputer of kilowatt meter recorder is monitored the variation of its magnitude of voltage, according to electric pulse numeration situation, can judge ammeter running status again, as voltage surpasses certain limit value and there is no pulse counting, illustrate that this table is stealing state.
Claims (3)
1. a two infrared electrical pulse sampling apparatus, comprise: 2 light emitting diodes are respectively the first light emitting diode and the second light emitting diode, the first light emitting diode connects one end of the first darlington amplifying circuit, the first darlington amplifying circuit connects the first Schmidt trigger, the second light emitting diode connection reaches second Islington amplifying circuit one end, the second darlington amplifying circuit connects the second Schmidt trigger, it is characterized in that: the first transmission type photoelectric pipe corresponding with the first light emitting diode connects the other end of the first darlington amplifying circuit, the second transmission type photoelectric pipe corresponding with the second light emitting diode connects the other end of the second darlington amplifying circuit.
2. according to claim 1 pair of infrared electrical pulse sampling apparatus, it is characterized in that: 2 triodes of the first described darlington amplifying circuit connect respectively the 3rd current-limiting resistance and the 4th current-limiting resistance, 2 triodes of the second darlington amplifying circuit connect respectively the 6th current-limiting resistance and the 7th current-limiting resistance.
3. according to claim 2 pair of infrared electrical pulse sampling apparatus, it is characterized in that: shaping in parallel the 3rd electric capacity, the 9th resistance and voltage clamping the first diode and the second diode between the first described darlington amplifying circuit and the first Schmidt trigger, shaping in parallel the 4th electric capacity, the tenth resistance and voltage clamping the 3rd diode and the 4th diode between the second darlington amplifying circuit and the second Schmidt trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598693.XU CN203535084U (en) | 2013-09-27 | 2013-09-27 | Dual-infrared electrical pulse collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598693.XU CN203535084U (en) | 2013-09-27 | 2013-09-27 | Dual-infrared electrical pulse collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535084U true CN203535084U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320598693.XU Expired - Fee Related CN203535084U (en) | 2013-09-27 | 2013-09-27 | Dual-infrared electrical pulse collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063475A (en) * | 2017-06-13 | 2017-08-18 | 苏州华芯微电子股份有限公司 | Clamp device and inductor for pyroelectric infrared human body inductor |
-
2013
- 2013-09-27 CN CN201320598693.XU patent/CN203535084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063475A (en) * | 2017-06-13 | 2017-08-18 | 苏州华芯微电子股份有限公司 | Clamp device and inductor for pyroelectric infrared human body inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180522 Address after: 450000 No. 6, No. 6, Guo Hua Street, high and new technology development zone, Zhengzhou, Henan Patentee after: Jiao Lei Address before: 450000 C1B, National Science and Technology Park, 11 Changchun Road, Zhengzhou high tech Industrial Development Zone, Henan Patentee before: Zhengzhou Pinggao Automation Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20180927 |