CN203644068U - Magnetic induction digital display electronic counter - Google Patents
Magnetic induction digital display electronic counter Download PDFInfo
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- CN203644068U CN203644068U CN201420029539.5U CN201420029539U CN203644068U CN 203644068 U CN203644068 U CN 203644068U CN 201420029539 U CN201420029539 U CN 201420029539U CN 203644068 U CN203644068 U CN 203644068U
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Abstract
The utility model puts forward a magnetic induction digital display electronic counter comprising a counting module, a power source circuit, a signal magnetic inductor and a display screen, wherein the counting module is provided with a positive power source terminal, a negative power source terminal, a counting signal terminal, a clear terminal and a display and output terminal. The clear terminal of the counting module is connected with a clear circuit, the display and output terminal of the counting module is electrically connected with the display screen, and the counting module and the clear circuit are respectively and electrically connected with the power source circuit. The signal magnetic inductor comprises a reed pipe and a magnet that are arranged opposite to each other, wherein the reed pipe is provided with a signal output terminal and a power supply terminal, an interference filtering circuit is connected between the signal output terminal of the reed pipe and the counting signal terminal of the counting module, and the power supply terminal of the reed pipe is connected with the positive electrode of the power source circuit. The magnetic induction digital display electronic counter is characterized in that the reed pipe and the interference filtering circuit are employed; counting signals free from mechanical wear can be input through magnet induction; the accuracy, stability and reliability of the counter are guaranteed; good anti-interference and shockproof effects are realized; simple installation and long service life are achieved.
Description
Technical field
The utility model relates to a kind of electronic counter, refers in particular to a kind of magnetic induction digital display electronic counter.
Background technology
In current commercial production, a lot of equipment is because various demands need to be counted the course of work of equipment, and wherein vibrations when a lot of equipment work are very large, especially the main equipment such as punch press; Traditional mechanical counter in use can cause counting inaccurate due to mechanical wear, and serviceable life is short, and complexity is installed, and usable range is little; Common electronic counter tend to again because of the vibrations occurrence count of equipment inaccurate; Thereby degree of accuracy, stability, reliability etc. all can not be guaranteed.
Utility model content
In order to solve existing equipment of industrial product counter degree of accuracy used, stability, poor reliability and short problem in complicated, serviceable life to be installed, the utility model proposes a kind of magnetic induction digital display electronic counter, adopt tongue tube magnetic induction principle, by the count signal of magnet induction input machinery-free wearing and tearing, and add interference filtering circuit, degree of accuracy, stability and the reliability of counter are guaranteed, anti-interference good with shockproof effect, install simple, long service life, use installing area broadness, is widely used on the various device of needs counting.
The technical scheme that the utility model adopts is: a kind of magnetic induction digital display electronic counter, comprise counting module, power circuit, signal magnetic inductor and display screen, described counting module is provided with positive power source terminal, negative power end, count signal end, clear terminal and demonstration output terminal, the positive power source terminal of counting module and negative power end are connected respectively positive pole and the negative pole of power circuit, the clear terminal of counting module is connected with clear circuit, the demonstration output terminal of counting module is electrically connected with display screen, counting module, clear circuit is electrically connected with power circuit respectively, described signal magnetic inductor comprises the tongue tube and the magnet that are oppositely arranged, described tongue tube is provided with signal output part and feeder ear, between the count signal end of the signal output part of tongue tube and counting module, be connected with interference filtering circuit, the feeder ear of tongue tube connects power circuit positive pole.
The utility model adopts tongue tube magnetic induction principle, by the count signal of magnet induction input machinery-free wearing and tearing, magnet is without contact tongue tube, only need to enter the induction range of tongue tube, leave the induction range of tongue tube, the utility model just can be counted, and long service life again, install simply, be conveniently used in the counting of various commercial units.But due to the specific physical structure of tongue tube, tongue tube can be exported some abnormal undesired signals under strong motion, disturb normal magnetic induction signal, thereby make counter occurrence count mistake, the degree of accuracy of impact counting, reliability, stability, therefore the utility model has added interference filtering circuit between the count signal end of tongue tube and counting module, differentiate because being shaken rub-out signal and the normal magnetic induction signal exported for tongue tube, filtering interference signals, only allow normal magnetic induction signal enter the count signal end of counting module, thereby guarantee the degree of accuracy of counting, reliability, stability, use installing area broader.
As preferably, described interference filtering circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the two ends of described resistance R 1 are electrically connected respectively the signal output part of tongue tube and the count signal end of counting module, described resistance R 2 two ends, capacitor C 1 two ends count signal end and the negative power end of connection count module respectively.
Preferred as another, described interference filtering circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the two ends of described resistance R 1 are electrically connected respectively the signal output part of tongue tube and the count signal end of counting module, described resistance R 2 two ends connect respectively signal output part and the negative power end of tongue tube, described capacitor C 1 two ends count signal end and the negative power end of connection count module respectively.
Above two interference filtering preferred version essence that the utility model adopts are identical, adopt RC integrating circuit, can effectively differentiate filtering interference signals, thereby have guaranteed degree of accuracy, stability and the reliability of counting.
As preferably, between the feeder ear of described tongue tube and interference filtering circuit, be connected with switch.Whether the signal that can control tongue tube by switch accesses counting module.
As preferably, described power circuit is two-supply circuit.At the primary power two ends of a power circuit auxiliary power in parallel again, auxiliary power still can provide electric energy can cannot power at primary power fortuitous event time and avoid counting surprisingly to stop.
The beneficial effects of the utility model are: adopt tongue tube magnetic induction principle, by the count signal of magnet induction input machinery-free wearing and tearing, and add interference filtering circuit, degree of accuracy, stability and the reliability of counter are guaranteed, anti-interference good with shockproof effect, long service life, installs simple, use installing area broader, be widely used on the various device of needs counting.
Accompanying drawing explanation
Fig. 1 is a kind of circuit structure block diagram of the present utility model;
Fig. 2 is a kind of circuit diagram of the present utility model;
Fig. 3 is another kind of circuit diagram of the present utility model.
In figure, 1-signal magnetic inductor, 2-interference filtering circuit, 3-counting module, 4-power circuit, 5-display screen, 6-clear circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of magnetic induction digital display electronic counter, comprises counting module 3, power circuit 4, signal magnetic inductor 1, interference filtering circuit 2, clear circuit 6 and display screen 5.Counting module 3 be take counting chip as core, inside is provided with the modular circuit of the accessory circuit such as voltage boosting and stabilizing circuit and oscillatory circuit, between signal magnetic inductor 1 and counting module 3, be connected with interference filtering circuit 2, counting module 3 is also connected with clear circuit 6 and display screen 5.
As shown in Figure 2, power circuit 4 is made up of power supply V1 and electrochemical capacitor C3, capacitor C 4, supplies with for counter provides power supply, and power supply V1 is No. 5 batteries, and power supply V1 two ends are parallel with respectively electrochemical capacitor C3, capacitor C 4; Counting module 3 is provided with positive power source terminal, negative power end, count signal end, clear terminal and demonstration output terminal; The positive power source terminal of counting module 3 and negative power end are connected respectively positive pole and the negative pole of power supply V1 in power circuit 4; Clear circuit 6 is electrically connected with the clear terminal of counting module 3 and the power supply V1 of power circuit 4; Display screen 5 is electrically connected with the demonstration output terminal of counting module 3; Signal magnetic inductor 1 comprises the tongue tube T1 and the magnet that are oppositely arranged, and tongue tube T1 is provided with signal output part (A end) and feeder ear (B end), and the feeder ear of tongue tube T1 connects the positive pole of power supply V1; The signal output part of tongue tube T1 connects interference filtering circuit 2 by K switch 2, the count signal end electrical connection of interference filtering circuit 2 and counting module 3.
Interference filtering circuit 2 is made up of resistance R 1, resistance R 2, capacitor C 1, wherein one end of resistance R 1 is electrically connected the signal output part of tongue tube T1 by K switch 2, the count signal end of the other end connection count module 3 of resistance R 1, resistance R 2 two ends count signal end and the negative power end of connection count module 3 respectively, capacitor C 1 two ends count signal end and the negative power end of connection count module 3 respectively.
In the time that K switch 2 is closed, the count signal of magnet induction tongue tube T1 output enters counting module signal input part through interference filtering circuit again through K switch 2, and counting module is counted; In the time that K switch 2 disconnects, the count signal of tongue tube T1 output interrupts, and does not just have count signal to enter the signal input part of interference filtering circuit 2 and counting module 3, counts thereby counting module 3 suspends.
Clear circuit 6 comprises reset button K1, resistance R 4 and capacitor C 3, the clear terminal of reset button K1 two ends difference connection count module 3 and the negative pole of power supply V1, the clear terminal of resistance R 4 two ends difference connection count modules 3 and the positive pole of power supply V1, the clear terminal of capacitor C 3 two ends difference connection count modules 3 and the positive pole of power supply V1.Clear circuit 6 can carry out zero clearing to enumeration data when needed.
Embodiment 2
As shown in Figure 3, power supply V1 in embodiment 2 is external 1.5V power supply, power supply V1 two ends can a button cell form in parallel second source, interference filtering circuit 2 is by resistance R 1, resistance R 2, capacitor C 1 forms, one end of resistance R 1 is electrically connected the signal output part of tongue tube T1 by K switch 2, the count signal end of the other end connection count module 3 of resistance R 1, one end of resistance R 2 is electrically connected the signal output part of tongue tube T1 by K switch 2, the negative power end of the other end connection count module 3 of resistance R 2, capacitor C 1 two ends count signal end and the negative power end of connection count module 3 respectively, other are in the same manner as in Example 1.
Above embodiment is only explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into protection domain of the present utility model.
Claims (4)
1. a magnetic induction digital display electronic counter, comprise counting module, power circuit, signal magnetic inductor, clear circuit and display screen, it is characterized in that: described counting module is provided with positive power source terminal, negative power end, count signal end, clear terminal and demonstration output terminal, the positive power source terminal of counting module and negative power end are connected respectively positive pole and the negative pole of power circuit, the clear terminal of counting module is connected with clear circuit, the demonstration output terminal of counting module is electrically connected with display screen, counting module, clear circuit is electrically connected with power circuit respectively, described signal magnetic inductor comprises the tongue tube and the magnet that are oppositely arranged, described tongue tube is provided with signal output part and feeder ear, between the count signal end of the signal output part of tongue tube and counting module, be connected with interference filtering circuit, the feeder ear of tongue tube connects power circuit positive pole.
2. magnetic induction digital display electronic counter according to claim 1, it is characterized in that: described interference filtering circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the signal output part of one end electrical connection tongue tube of described resistance R 1, the count signal end of the other end connection count module of resistance R 1, resistance R 2 two ends count signal end and the negative power end of connection count module respectively, capacitor C 1 two ends count signal end and the negative power end of connection count module respectively.
3. magnetic induction digital display electronic counter according to claim 1, it is characterized in that: described interference filtering circuit is made up of resistance R 1, resistance R 2 and capacitor C 1, the two ends of described resistance R 1 are electrically connected respectively the signal output part of tongue tube and the count signal end of counting module, described resistance R 2 two ends connect respectively signal output part and the negative power end of tongue tube, described capacitor C 1 two ends count signal end and the negative power end of connection count module respectively.
4. according to the magnetic induction digital display electronic counter described in claim 1 or 2 or 3, it is characterized in that: between the feeder ear of described tongue tube and interference filtering circuit, be connected with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029539.5U CN203644068U (en) | 2014-01-17 | 2014-01-17 | Magnetic induction digital display electronic counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420029539.5U CN203644068U (en) | 2014-01-17 | 2014-01-17 | Magnetic induction digital display electronic counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644068U true CN203644068U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420029539.5U Expired - Lifetime CN203644068U (en) | 2014-01-17 | 2014-01-17 | Magnetic induction digital display electronic counter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203644068U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110503178A (en) * | 2019-07-30 | 2019-11-26 | 柯双双 | A kind of touch sensible count electronics |
| CN113570021A (en) * | 2021-06-10 | 2021-10-29 | 江苏安派客物联科技有限公司 | Passive counting system and method |
| CN114819033A (en) * | 2022-04-26 | 2022-07-29 | 翼存(上海)智能科技有限公司 | Device for accurately counting 135 transparent film perforations |
-
2014
- 2014-01-17 CN CN201420029539.5U patent/CN203644068U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110503178A (en) * | 2019-07-30 | 2019-11-26 | 柯双双 | A kind of touch sensible count electronics |
| CN113570021A (en) * | 2021-06-10 | 2021-10-29 | 江苏安派客物联科技有限公司 | Passive counting system and method |
| CN114819033A (en) * | 2022-04-26 | 2022-07-29 | 翼存(上海)智能科技有限公司 | Device for accurately counting 135 transparent film perforations |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |