CN201150054Y - Low energy consumption electronic counter - Google Patents
Low energy consumption electronic counter Download PDFInfo
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- CN201150054Y CN201150054Y CNU2007200277560U CN200720027756U CN201150054Y CN 201150054 Y CN201150054 Y CN 201150054Y CN U2007200277560 U CNU2007200277560 U CN U2007200277560U CN 200720027756 U CN200720027756 U CN 200720027756U CN 201150054 Y CN201150054 Y CN 201150054Y
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Abstract
The utility model discloses a low energy consumption electronic counter, which belongs to the field of the pulse counting. The electronic counter comprises a power supply unit, an LED digital displaying unit connected with the output terminal of a counter unit and a voltage boosting unit arranged between the common ground terminal of the LED digital displaying unit and the power supply unit; the electronic counter is characterized in that the power supply unit is composed of a resistance capacitance current limiting circuit, a rectifying circuit, a first filtering circuit, a pressure limiting circuit, a filter and a second filtering circuit. The electronic counter adopts a power supply circuit without a power transformer, the volume of the whole power supply part is greatly reduced, on the premise that the unchanged anti-interference capability of the electronic counter is guaranteed, the power consumption is low, the manufacture cost is low, the power utilization rate is high, and the electronic counter can be widely applied in the field of various automatic counting devices during the industrial production process.
Description
Technical field
The utility model belongs to the step-by-step counting field, relates in particular to a kind of reversible scaler of using opto-electronic device.
Background technology
In the industrial scale production process, often to use robot scaler, as on the coil winding machine of the various coils of coiling, needs employing electronic counter is added up the coiling number of turn (or number of turns) of coil and is shown.
The power supply of the electronic counter that uses on the existing coil winding machine, its circuit arrangement normally adopts the circuit structure form (referring to accompanying drawing 1) of transformer step-down, bridge rectifier, capacitor filtering and integrated regulator voltage stabilizing circuit, its advantage is that circuit is simple, reliable operation, shortcoming is that volume is big, the power consumption height, manufacturing cost is higher.
Trace it to its cause, be in order to improve the antijamming capability of circuit on the one hand: because the coil winding machine employing is the motor of carbon-bearing brush, the spark that its carbon brush is produced at the motor run duration, interference for numeration resolution of pulse and reception in the integrated circuit is very big, for anti-interference, usually adopt the method that improves the count pulse amplitude, and in order to improve the amplitude of count pulse, has only the operating voltage (bringing up to more than 10 volts) that improves entire circuit by 6 volts, and the raising of operating voltage certainly will bring the wherein raising of the voltage withstand class of element and the increase of volume; Brought problem on the other hand thus: because the raising of circuit voltage, and the operating voltage of LED charactron only must get final product below 2 volts, so the resistance of the incidental current-limiting resistance of each LED must increase greatly, cause most of power of power supply all to consume on each current-limiting resistance, both consumed a large amount of electric energy, increased the power demand of power supply, and current-limiting resistance heating, shortened its useful life, increase its probability that breaks down, influenced the normal operation and the use of whole counter device.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of low energy consumption electronic counter, and it adopts the reduction voltage circuit of no power supply transformer, and the volume of whole power unit dwindles greatly, is guaranteeing under the constant prerequisite of electronic counter antijamming capability; Its power supply power consumption is little, and manufacturing cost reduces, power utilization rate height, and having created for dwindling of whole counter device volume may.
The technical solution of the utility model is: a kind of low energy consumption electronic counter is provided, comprise the digital display unit of power subsystem and the LED that is connected with the counter unit output, between the common ground end and power subsystem of the digital display unit of LED, the voltage lift unit is set; Its voltage lift unit is made of booster circuit, drive circuit and check circuit; It is characterized in that: its power subsystem is made of impulse-current-proof circuit, capacitance-resistance current-limiting circuit, rectification circuit, first filter circuit, pressure limiting circuit, filter and second filter circuit, the output of wherein said impulse-current-proof circuit and capacitance-resistance current-limiting circuit are electrically connected, the output of capacitance-resistance current-limiting circuit and rectification circuit are electrically connected, the output of rectification circuit and first filter circuit are electrically connected, the output of first filter circuit and pressure limiting circuit are electrically connected, the output of pressure limiting circuit and filter are electrically connected, and the output of filter and second filter circuit are electrically connected.
Further, described voltage lift unit is provided with filter circuit.
Its described impulse-current-proof circuit is a resistance; The capacitance-resistance current-limiting circuit is a resistance and an electric capacity capacitance-resistance current-limiting circuit that constitutes in parallel; Described rectification circuit comprises a full-bridge type diode rectifier circuit; Described first filter circuit comprises a filter capacitor that is attempted by rectification circuit output end; Described pressure limiting circuit is a diode circuit of voltage regulation; Described filter is the analog circuit filter; Described second filter circuit comprises two filter capacitors that are attempted by filter output.
Its described booster circuit comprises inductance coil and switch triode; Its described drive circuit is the square wave pulse-generator circuit; Its described check circuit is the unidirectional turning circuit of diode; Its described filter circuit is a capacitor filter.
Concrete, described impulse-current-proof circuit comprises resistance R 2; The capacitance-resistance current-limiting circuit comprises capacitor C 1 and resistance R 1; Described first filter circuit comprises capacitor C 11; Described pressure limiting circuit comprises voltage stabilizing didoe Z1; Described filter comprises filter L; Described second filter circuit comprises capacitor C 21 and capacitor C 22;
Wherein, resistance R 2 is serially connected with between AC power and the capacitance-resistance current-limiting circuit; Be serially connected in after capacitor C 1 and resistance R 1 parallel connection between the ac input end 1 and AC power of rectifier bridge Q1; Another ac input end 2 of rectifier bridge Q1 is connected with AC power; Capacitor C 11, voltage stabilizing didoe Z1 are attempted by between two dc output ends 3 and 4 of rectifier bridge Q1; The input 1 of filter L is connected with 4 with two dc output ends 3 of rectifier bridge Q1 respectively with 2; Capacitor C 21 and capacitor C 22 are attempted by between two outputs 3 and 4 of filter L.
Described booster circuit comprises inductance coil L41 and triode T3; Described check circuit comprises diode D41; Described drive circuit comprises integrated circuit (IC) 1, IC2, resistance R 41, R42, R43, capacitor C 41 and diode D42; Described filter circuit comprises capacitor C 42;
Wherein, the end of inductance coil L41 is connected with the common ground end COM of the digital display unit of LED; The other end of inductance coil L41 is connected through the positive supply output of diode D41 and power subsystem, and is connected with the collector electrode of triode T3; The input of integrated circuit (IC) 1 is through capacitor C 41 ground connection; Be attempted by the two ends of resistance R 42 after resistance R 43 and the diode D42 series connection; Resistance R 42 is attempted by between the input and output of integrated circuit (IC) 1; The output of integrated circuit (IC) 1 is connected with the base stage of resistance R 41 with triode T3 through integrated circuit (IC) 2; The grounded emitter of triode T3; Capacitor C 42 is attempted by between the ground of the common ground end COM of the digital display unit of LED and DC power supply.
The utility model has following advantage compared with the prior art:
1, adopt the circuit construction of electric power of no power supply transformer, the volume of whole power unit dwindles greatly, is guaranteeing under the constant prerequisite of electronic counter antijamming capability, its power supply power consumption is little, manufacturing cost reduces, power utilization rate height, and having created for dwindling of whole counter device volume may.
2, adopt the mode of power supply feedback, improved the utilance of power, be specially adapted to such as the less integrated circuit (IC) apparatus of power consumptions such as electronic counter.
Description of drawings
Fig. 1 is the power circuit of existing electronic counting apparatus;
Fig. 2 is a circuit structure block diagram of the present utility model;
Fig. 3 is the circuit block diagram of the power subsystem of the utility model;
Fig. 4 is the circuit block diagram of the voltage lift unit of the utility model;
Fig. 5 is the line map of power subsystem embodiment;
Fig. 6 is the line map of voltage lift unit embodiment.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
In Fig. 1, the power supply of the electronic counter that uses on the existing coil winding machine, its circuit arrangement normally adopts the circuit structure form of transformer step-down, bridge rectifier, capacitor filtering and integrated regulator voltage stabilizing circuit, its advantage is that circuit is simple, reliable operation, shortcoming is that volume is big, the power consumption height, and manufacturing cost is higher.
In Fig. 2-Fig. 4, the technical program has adopted power supply step-down/supply line's scheme of no power supply transformer, its power subsystem is made of impulse-current-proof circuit, capacitance-resistance current-limiting circuit, rectification circuit, first filter circuit, pressure limiting circuit, filter and second filter circuit, meanwhile, between the common ground end and power subsystem of the digital display unit of LED, be provided with the voltage lift unit; Its voltage lift unit is made of booster circuit, drive circuit and check circuit, further, also filter circuit can be set in the voltage lift unit.
Wherein, the impulse-current-proof circuit is a resistance; The capacitance-resistance current-limiting circuit is a resistance and an electric capacity capacitance-resistance current-limiting circuit that constitutes in parallel; Rectification circuit comprises a full-bridge type diode rectifier circuit; First and second filter circuits comprise the filter capacitor and two filter capacitors that are attempted by filter output that are attempted by rectification circuit output end respectively; Pressure limiting circuit is a diode circuit of voltage regulation; Filter is the analog circuit filter.
Its booster circuit comprises inductance coil and switch triode; Drive circuit is the square wave pulse-generator circuit; The check circuit is the unidirectional turning circuit of diode; Filter circuit is a capacitor filter.
Among Fig. 5, in power subsystem embodiment circuit, the impulse-current-proof circuit comprises resistance R 2; The capacitance-resistance current-limiting circuit comprises electrochemical capacitor C1 and resistance R 1; First filter circuit comprises electric capacity electrolysis C11; Pressure limiting circuit comprises voltage stabilizing didoe Z1; Filter comprises filter L; Second filter circuit comprises electrochemical capacitor C21 and filter capacitor C22;
Wherein, resistance R 2 is serially connected with between AC power and the capacitance-resistance current-limiting circuit; Be serially connected in after capacitor C 1 and resistance R 1 parallel connection between the ac input end 1 and AC power of rectifier bridge Q1; Another ac input end 2 of rectifier bridge Q1 is connected with AC power; Capacitor C 11, voltage stabilizing didoe Z1 are attempted by between two dc output ends 3 and 4 of rectifier bridge Q1; The input 1 of filter L is connected with 4 with two dc output ends 3 of rectifier bridge Q1 respectively with 2; Capacitor C 21 and capacitor C 22 are attempted by between two outputs 3 and 4 of filter L.
The summary of circuit working principle:
The alternating current of 220V at first passes through resistance R 2; Again after the capacitance-resistance current-limiting circuit current limliting of capacitor C 1 and resistance R 1 composition, give capacitor C 11 chargings through bridge rectifier Q1, voltage stabilizing didoe with the voltage limit on the capacitor C 11 under the voltage stabilizing value of voltage-stabiliser tube, again after filter L and capacitor C 21, capacitor C 22 filtering, output 10-12V, the DC power supply of 30～50mA is supplied with counter circuit and is used.
By increasing resistance R 2, can rigidly connect when logical at power supply, reduce impulse current; By adopting the measure of capacitance current-limiting, voltage-stabiliser tube pressure limiting, the voltage lift unit can be selected withstand voltage low, low-cost components and parts for use, and it is not fragile, the functional reliability height, make the volume of whole supply unit dwindle greatly, manufacturing cost reduces greatly, can satisfy the user demand of the electric counter circuit that the power utilization rate is higher, power consumption is less fully.
Among Fig. 6, in voltage lift unit embodiment circuit, booster circuit comprises inductance coil L41 and triode T3, and the check circuit comprises diode D41, drive circuit comprises integrated circuit (IC) 1, IC2, resistance R 41, R42, R43, capacitor C 41 and diode D42, and filter circuit comprises capacitor C 42.
Wherein, the end of inductance coil L41 is connected with the common ground end COM of the digital display unit of LED; The other end of inductance coil L41 is connected through the positive supply output of diode D41 and power subsystem, and is connected with the collector electrode of triode T3; Integrated circuit (IC) 1 worker's input is through capacitor C 41 ground connection; Be attempted by the two ends of resistance R 42 after resistance R 43 and the diode D42 series connection; Resistance R 42 is attempted by between the input and output of integrated circuit (IC) 1; The output of integrated circuit (IC) 1 is connected with the base stage of resistance R 41 with triode T3 through integrated circuit (IC) 2; The grounded emitter of triode T3; Capacitor C 42 is attempted by between the ground of the common ground end COM of the digital display unit of LED and DC power supply.
The summary of circuit working principle:
The numerical value of the current-limiting resistance R51-R57 that the digital display unit of LED is connected with the counter unit output reduces, the common port COM of the digital display tube of common cathode LED links together, C42 is connected with filter capacitor, because the value of current-limiting resistance is less, so voltage drop on it less (only zero point several volts), through voltage drop behind the LED about 2 volts, be that power of voltage ratio voltage on the capacitor C 42 reduces about 2 volts, meet a switching transistor T3 by inductance coil L41 then, T3 is driven by rectangular wave pulse signal, will on inductance coil L41, produce induced potential like this, charging is given power filtering capacitor C51 in voltage stack back on this electromotive force and the capacitor C 42, utilize again with regard to sending back to power input again like this through the electric energy behind the digital display tube of LED, improved the utilance of power supply, guaranteeing that the electric current that the counting display circuit is asked for from power supply reduces under the situation that the digital display tube luminosity of LED does not reduce, making power unit reduce power becomes possibility.
IC1, IC2 in switch transistor T 3 drive circuits can select for use two triggers in CD40106 or the similar with it integrated circuit (IC) chip to constitute.
Resistance R 43 among the figure is used for adjusting the width of driving pulse, promotes efficient to reach higher voltage.
To sum up, the utility model is by the resistance of the current-limiting resistance of the digital display tube of reduction LED, under the prerequisite that guarantees the digital display tube luminosity of LED, the mode that adopts electric energy to utilize again again, reduced the power consumption of electronic counter, add the power circuit scheme that adopts no power supply transformer, make the volume of whole electronic counting apparatus dwindle 2/3rds at least, manufacturing cost has descended about 20%, simultaneously, prolonged its useful life, and failure rate obviously descends, antijamming capability is guaranteed, and user's operation operation and maintenance expense obviously reduces.
The utility model can be widely used in the various robot scalers field in the industrial processes.
Claims (6)
1, a kind of low energy consumption electronic counter comprises the digital display unit of power subsystem and the LED that is connected with the counter unit output, between the common ground end and power subsystem of the digital display unit of LED, the voltage lift unit is set; Its voltage lift unit is made of booster circuit, drive circuit and check circuit; It is characterized in that:
Its power subsystem is made of impulse-current-proof circuit, capacitance-resistance current-limiting circuit, rectification circuit, first filter circuit, pressure limiting circuit, filter and second filter circuit, the output of wherein said impulse-current-proof circuit and capacitance-resistance current-limiting circuit are electrically connected, the output of capacitance-resistance current-limiting circuit and rectification circuit are electrically connected, the output of rectification circuit and first filter circuit are electrically connected, the output of first filter circuit and pressure limiting circuit are electrically connected, the output of pressure limiting circuit and filter are electrically connected, and the output of filter and second filter circuit are electrically connected.
2. according to the described low energy consumption electronic counter of claim 1, it is characterized in that described voltage lift unit is provided with filter circuit.
3, according to the described low energy consumption electronic counter of claim 1, it is characterized in that
Its described impulse-current-proof circuit is a resistance;
Its described capacitance-resistance current-limiting circuit is a resistance and an electric capacity capacitance-resistance current-limiting circuit that constitutes in parallel;
Its described rectification circuit comprises a full-bridge type diode rectifier circuit,
Its described first filter circuit comprises a filter capacitor that is attempted by rectification circuit output end;
Its described pressure limiting circuit is a diode circuit of voltage regulation;
Described filter is the analog circuit filter;
Described second filter circuit comprises two filter capacitors that are attempted by filter output.
4, according to the described low energy consumption electronic counter of claim 2, it is characterized in that
Its described booster circuit comprises inductance coil and switch triode;
Its described drive circuit is the square wave pulse-generator circuit;
Its described check circuit is the unidirectional turning circuit of diode;
Its described filter circuit is a capacitor filter.
5, according to the described low energy consumption electronic counter of claim 1, it is characterized in that
Described impulse-current-proof circuit comprises resistance (R2);
Described capacitance-resistance current-limiting circuit comprises electric capacity (C1) and resistance (R1);
Described first filter circuit comprises electric capacity (C11);
Described pressure limiting circuit comprises voltage stabilizing didoe (Z1);
Described filter comprises filter (L);
Described second filter circuit comprises electric capacity (C21) and electric capacity (C22);
Wherein,
Resistance (R2) is serially connected with between AC power and the capacitance-resistance current-limiting circuit;
Be serially connected in after electric capacity (C1) and resistance (R1) parallel connection between the ac input end (1) and AC power of rectifier bridge (Q1);
Another ac input end (2) of rectifier bridge (Q1) is connected with AC power;
Electric capacity (C11), voltage stabilizing didoe (Z1) are attempted by between two dc output ends (3) and (4) of rectifier bridge (Q1);
The input (1) of filter (L) is connected with (4) with two dc output ends (3) of rectifier bridge (Q1) respectively with (2);
Electric capacity (C21) and electric capacity (C22) are attempted by between two outputs (3) and (4) of filter (L).
6, according to the described low energy consumption electronic counter of claim 2, it is characterized in that
Described booster circuit comprises inductance coil (L41) and triode (T3);
Described check circuit comprises diode (D41);
Described drive circuit comprises integrated circuit (IC1), (IC2), resistance (R41), (R42), (R43), electric capacity (C41) and diode (D42);
Described filter circuit comprises electric capacity (C42);
Wherein,
One end of inductance coil (L41) is connected with the common ground end (COM) of the digital display unit of LED;
The other end of inductance coil (L41) is connected through the positive supply output of diode (D41) and power subsystem, and is connected with the collector electrode of triode (T3);
The input of integrated circuit (IC1) is through electric capacity (C41) ground connection;
Be attempted by the two ends of resistance (R42) after resistance (R43) and diode (D42) series connection;
Resistance (R42) is attempted by between the input and output of integrated circuit (IC1);
The output of integrated circuit (IC1) is connected with the base stage of resistance (R41) with triode (T3) through integrated circuit (IC2);
The grounded emitter of triode (T3);
Electric capacity (C42) is attempted by between the ground of the common ground end (COM) of the digital display unit of LED and DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277560U CN201150054Y (en) | 2007-09-13 | 2007-09-13 | Low energy consumption electronic counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277560U CN201150054Y (en) | 2007-09-13 | 2007-09-13 | Low energy consumption electronic counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201150054Y true CN201150054Y (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200277560U Expired - Fee Related CN201150054Y (en) | 2007-09-13 | 2007-09-13 | Low energy consumption electronic counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201150054Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262363A (en) * | 2015-11-10 | 2016-01-20 | 宁波中盾电子技术有限公司 | A high-voltage pulse circuit and a hand-held type pulse jet stun gun |
| CN105406857A (en) * | 2015-11-10 | 2016-03-16 | 宁波中盾电子技术有限公司 | High-voltage pulse counting circuit and handheld pulse jet stun gun |
-
2007
- 2007-09-13 CN CNU2007200277560U patent/CN201150054Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262363A (en) * | 2015-11-10 | 2016-01-20 | 宁波中盾电子技术有限公司 | A high-voltage pulse circuit and a hand-held type pulse jet stun gun |
| CN105406857A (en) * | 2015-11-10 | 2016-03-16 | 宁波中盾电子技术有限公司 | High-voltage pulse counting circuit and handheld pulse jet stun gun |
| CN105406857B (en) * | 2015-11-10 | 2018-06-29 | 宁波中盾电子技术有限公司 | High-voltage pulse counting circuit and hand-held pulsing jet stun-gun |
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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: 20081112 Termination date: 20100913 |