CN214042361U - Active input type accumulation counter - Google Patents
Active input type accumulation counter Download PDFInfo
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- CN214042361U CN214042361U CN202120240624.6U CN202120240624U CN214042361U CN 214042361 U CN214042361 U CN 214042361U CN 202120240624 U CN202120240624 U CN 202120240624U CN 214042361 U CN214042361 U CN 214042361U
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Abstract
The utility model provides an active input type adds up counter, include: the input loop is used for receiving external alternating current or direct current voltage signals, the level signals can be recognized by the accumulation loop through processing, the accumulation loop is triggered to carry out counting or resetting actions, the counting frequency setting loop is used for providing different counting frequencies for selection of a user, the accumulation loop sets the counting frequency according to the set value of the counting frequency setting loop, the accumulation or resetting actions are carried out after the counting or resetting signals of the input loop are received, the display loop is used for displaying a real-time working state, and the power supply loop is used for supplying power. The utility model discloses an active counter that accumulates, different input voltage can realize with general subassembly board, fine accomplished the commonality of electronic components and circuit board, can save manufacturer's manual work and material cost, improve production efficiency.
Description
Technical Field
The utility model belongs to the electronic type adds up the counter field, concretely relates to active input type adds up counter.
Background
The electronic accumulation counter mainly comprises a low-power consumption integrated circuit, an 8-bit high-brightness LED display, a built-in lithium battery, a shell, a wire holder and the like. Has the characteristics of no mechanical abrasion, small volume, long service life, clear and beautiful display and the like.
The active input type accumulation counter is widely applied to all occasions needing counting, such as yield counting, flow counting, automatic packaging machinery, rotating speed, length counting, punching frequency counting and the like, and can be used for secondary instruments to form a display instrument.
The active input type accumulation counter produced by each large manufacturer at present is poor in stability and reliability because a low-power-consumption integrated circuit adopts a special integrated circuit, different input voltages need different component boards to be realized, the production and maintenance costs of manufacturers are increased invisibly, and the user experience is poor. Therefore, the redesign of the active input type accumulation counter has important practical significance and commercial value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an active input type adds up counter, different input voltage can realize with general assembly board, fine accomplished the commonality of electronic components and circuit board, can save manufacturer's manual work and material cost, improves production efficiency.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
an active input type accumulation counter comprising:
the input loop is used for receiving an external alternating current or direct current voltage signal, converting the external alternating current or direct current voltage signal into a level signal which can be identified by the accumulation loop through processing, and triggering the accumulation loop to carry out counting or resetting action;
a counting frequency setting loop for providing different counting frequencies for the user to select;
the accumulation loop is used for setting the counting frequency according to the set value of the counting frequency setting loop, and then performing accumulation or reset action after receiving the counting or reset signal of the input loop;
the display loop is used for displaying the real-time working state;
and the power supply loop is used for supplying power to the input loop, the counting frequency setting loop, the accumulating loop and the display loop.
The input loop is active input, an input signal is alternating current or direct current voltage, accumulated input voltage is subjected to voltage reduction through resistors R1, R3 and R4 and then rectified by a full-wave rectifier bridge D1, secondary voltage reduction and filtering are performed through resistors R7, R9 and an electrolytic capacitor C1 to obtain 5V direct current voltage to drive an optocoupler T1 to be switched on, the output end of the optocoupler T1, resistors R11, R13 and a battery B1 form a circuit loop, voltage below 2V is output to serve as a low-level trigger signal for accumulation of the singlechip, and the capacitor C3 is a filter capacitor for accumulating the input signal; the reset input voltage is subjected to voltage reduction through resistors R2, R5 and R6 and then rectified by a full-wave rectifier bridge D2, secondary voltage reduction and filtering are performed through resistors R8 and R10 and an electrolytic capacitor C2, 5V direct-current voltage is output to drive an optocoupler T2 to be switched on, the output end of the optocoupler T2, resistors R12 and R14 and a battery B1 form a circuit loop, voltage below 2V is output to serve as a low-level trigger signal for resetting of a singlechip, and a capacitor C4 is a filter capacitor for resetting the input signal.
The counting frequency setting loop has two counting frequencies of 300Hz high frequency and 20Hz low frequency for the user to select.
The accumulation loop comprises a singlechip IC1 and an external clock; the resistor R16 is connected to the Xout and Xin ports of the singlechip IC1 to form a main oscillating circuit; the resistor R17, the crystal oscillator ZT1, the capacitors C5 and C6 are connected to the XTout and XTin ports of the singlechip IC1 to form a secondary oscillation circuit; the port P0.1 sets the counting frequency according to the read external different level values; when reading an external low level, the port P1.0 triggers a cumulative counting loop to count; when the port P1.1 reads an external low level, triggering a cumulative count loop to clear; the button switch AN1 and the resistor R15 are connected to a P1.2 port of the singlechip IC1, when the button switch AN1 is switched on, the P1.2 port receives a low level signal, and the active input type accumulation counter enters a low power consumption sleep state; the button switch AN2, the capacitor C7, the diode D3, the resistors R18 and R19 are connected to a RESET port of the singlechip IC1, when the button switch AN2 is switched on, the RESET port receives a low-level signal, and the active input type accumulation counter is switched to a normal standby state from a low-power consumption sleep state.
The power supply loop is composed of a built-in button type battery and a single chip microcomputer.
The display loop displays the current counting and zero clearing states through an 8-bit high-definition LCD.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an active input type accumulation counter (hereinafter referred to as active accumulation counter) is an accumulation counter integrating AC and DC input sources, the active accumulation counter comprises an input loop, a counting frequency setting loop, an accumulation loop, a display loop and a power supply loop, wherein the input loop is used for receiving external AC or DC voltage signals and triggering the accumulation loop to perform accumulation or reset action; the counting frequency setting loop is used for providing different counting frequencies for a user to select; this active cumulative counter can realize the interchange or the direct current input voltage signal of difference through this assembly board of general input circuit promptly, sets up the conversion that the circuit can realize the cumulative frequency through the count frequency moreover, consequently fine accomplished the commonality of electronic components and circuit board, can save producer's manual work and material expense greatly, reduce production and maintenance cost, improve production efficiency and user's experience nature.
Furthermore, the active input type accumulation counter provided by the utility model can realize the high-low frequency conversion of the accumulation frequency through the one-bit toggle switch, thereby improving the universality and the production efficiency of electronic components and circuit boards, and saving the labor and material cost of manufacturers; the power supply loop adopts a built-in replaceable button type lithium battery, can ensure normal work for 5-7 years, does not need an external power supply, can ensure long-time reliable operation of a product, and increases the utilization rate of an active cumulative counter; the low-power-consumption module of the active charge counter is realized by a single chip microcomputer, the number of internal circuit components is small, the added dormancy and awakening functions can enable the machine to be freely switched between a dormant state and a working state, a user can enable the machine to enter the low-power-consumption dormant state when the active charge counter is not used for a long time through the dormancy and awakening button switch, and awaken the machine when the active charge counter is required to work, so that the service life of a battery of the active charge counter is greatly prolonged, and the service life of the machine is greatly prolonged; the stability and reliability of the active up-counter are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of an active input accumulation counter according to the present invention;
fig. 2 is a schematic circuit diagram of the active input accumulation counter of the present invention;
fig. 3 is a schematic circuit diagram of an input loop of the active input accumulation counter of the present invention;
fig. 4 is a schematic circuit diagram of a counting frequency setting circuit, a counting circuit and a power circuit in the active input type accumulation counter of the present invention;
fig. 5 is a schematic circuit diagram of a display circuit in the active input accumulation counter of the present invention;
fig. 6 is a flowchart of the working procedure of the active input accumulation counter of the present invention.
Fig. 7 is a flowchart of a sleep interrupt handling routine of the active input accumulation counter of the present invention;
fig. 8 is a flowchart of an awake interrupt processing subroutine of the active input accumulation counter according to the present invention;
fig. 9 is a schematic diagram of the active input accumulation counter according to the present invention.
Wherein: 1 is a housing, 2 is a display unit, and 3, 4 are setting units.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1, the active input accumulation counter of the present invention mainly includes an input circuit, a counting frequency setting circuit, an accumulation circuit, a power circuit, and a display circuit. Wherein:
the input loop mainly receives external alternating current or direct current voltage signals, and the signals are converted into level signals which can be recognized by the accumulation loop through processing, so that the counting or resetting action of the accumulation loop is triggered. Namely, the input loop is an active input, and an alternating current or direct current voltage signal triggers the active up-counter to count or reset.
The counting frequency setting loop realizes different counting frequencies of the active up-down counter by combining different setting values of a group of toggle switches, the active up-down counter has two counting frequencies of high frequency (300 Hz) and low frequency (20 Hz), and a user can select a proper counting frequency according to actual use requirements.
The accumulation loop and other loops cooperate to realize accumulation and zero clearing work. The accumulation loop is composed of a single chip microcomputer, an external clock and other electronic components. After the active accumulation counter is electrified, the loop sets corresponding counting frequency according to a set value of the counting frequency setting loop, and when the input loop receives an external counting or resetting signal, the active accumulation counter performs accumulation or resetting action.
The power supply loop is composed of a built-in 3V button type lithium battery and a single chip microcomputer and supplies power for the work of other loops, so that external power supply is not needed, the button battery can be replaced, and the utilization rate of the active cumulative counter is greatly increased.
The display loop displays the current counting, zero clearing and other states of the active accumulation counter through an 8-bit high-definition LCD, so that a user can know the real-time working state of the active accumulation counter conveniently.
As shown in fig. 2 and 3, the input loop is active input, the input signal is ac or dc voltage, the accumulated input voltage is rectified by the full-wave rectifier bridge D1 after being stepped down by the resistors R1, R3, and R4, and then is stepped down for the second time and filtered by the resistors R7, R9, and the electrolytic capacitor C1 to be 5V dc voltage to drive the optocoupler T1 to turn on, the output end of the optocoupler T1, the resistor R11, the resistor R13 in the accumulated loop, and the button battery B1 in the power supply loop form a circuit loop, the voltage below 2V is output as a low-level trigger signal for accumulation by the single chip microcomputer, and the capacitor C3 is a filter capacitor for accumulating the input signal; the reset input voltage is subjected to voltage reduction through resistors R2, R5 and R6 and then rectified by a full-wave rectifier bridge D2, secondary voltage reduction and filtering are performed through resistors R8 and R10 and an electrolytic capacitor C2, 5V direct-current voltage is output to drive an optocoupler T2 to be switched on, the output end of the optocoupler T2, a resistor R12, a resistor R14 in a cumulative counting loop and a button battery B1 in a power supply loop form a circuit loop, voltage below 2V is output to serve as a low-level trigger signal for resetting of a single chip microcomputer, and the capacitor C4 is a filter capacitor for resetting the input signal.
As shown in fig. 2 and 4, the counting frequency setting circuit is composed of a toggle switch K1 and a single chip microcomputer IC1 in the accumulation circuit, when 1 and 3 of the toggle switch K1 are switched on, a P0.1 port of the single chip microcomputer IC1 receives a low level signal, at this time, the active accumulation counter operates in a low-speed counting mode, and the frequency is 20 Hz; when 1 and 2 of the toggle switch K1 are switched on, a P0.1 port of the singlechip IC1 receives a high level signal, the working mode of the active up-counter is high-speed counting at the moment, and the frequency is 300 Hz.
The accumulation loop is composed of a singlechip IC1, an external clock and other electronic components. The resistor R16 is connected to the Xout and Xin ports of the singlechip IC1 to form a main oscillating circuit. The resistor R17, the crystal oscillator ZT1, the capacitors C5 and C6 are connected to the XTout and XTin ports of the singlechip IC1 to form a secondary oscillation circuit. The port P0.1 sets the counting frequency according to the read external different level values; the P1.0 port is a cumulative number signal input port, and the low level is effective; the port P1.1 is a reset signal input port, and the low level is effective. When reading an external low level, the port P1.0 triggers a cumulative counting loop to count; when the port P1.1 reads an external low level, the cumulative count loop is triggered to clear.
The button switch AN1 and the resistor R15 are connected to the P1.2 port of the singlechip IC1, when the button switch AN1 is switched on, the P1.2 port receives a low level signal, the active accumulator enters a low power consumption sleep state, and the liquid crystal display LCD1 is switched off. The button switch AN2, the capacitor C7, the diode D3, the resistor R18 and the resistor R19 are connected to a RESET port of the singlechip IC1, when the button switch AN2 is switched on, the RESET port receives a low-level signal, the active up-counter is switched to a normal standby state from a low-power-consumption sleep state, and the liquid crystal display LCD1 is switched on.
The power supply loop mainly comprises a built-in 3V button cell B1 and a single chip microcomputer IC1, and supplies power for the work of other loops, and the button cell B1 is replaceable, so that the service life of the 8-bit active accumulator is prolonged.
As shown in fig. 2 and 5, the display loop is composed of an 8-bit high-definition liquid crystal display LCD1 and a single chip microcomputer IC1 in the accumulation loop. The LCD1 is a 4 × 16-segment LCD, the duty ratio of 1/4 and the bias ratio of 1/3 are provided, and C1-C4 of the LCD1 are connected to COM 1-COM 4 ports of the single chip microcomputer IC1 to serve as common terminals of the LCD 1. S0-S15 of the LCD1 are connected to SEG 0-SEG 15 ports of the singlechip IC1 and used as scanning ends of the LCD. And through the combination of COM and SEG, different LCD display segments are lightened, and the real-time working state of the active accumulator is displayed to a user.
The working procedure flow of the singlechip IC1 is shown in fig. 6; the flow of the sleep interrupt subroutine is shown in FIG. 7; the flow of the wake-up interrupt routine is shown in fig. 8.
As shown in fig. 9, the active input type accumulation counter provided by the present invention has a rectangular shape, the housing 1 is made of ABS plastic, and the display unit 2 and the setting units 3 and 4 are disposed on the end surface of the housing 1. The display unit 2 adopts 8-bit high-definition liquid crystal display to display the current working state of the active accumulation counter in real time. The setting unit 3 is a one-position toggle switch, and the user can set the counting frequency of the active up-counter by setting the toggle switch K1. The setting unit 4 is a two-position button switch, a user presses a sleep button switch, the active accumulator enters a low-power-consumption sleep state, and the liquid crystal display LCD1 is turned off; when the user presses the wake-up button switch, the active count-up counter enters a normal standby state, and the liquid crystal display LCD1 is turned on.
The utility model provides an active input type adds up counter only needs a circuit board just can realize the input voltage (interchange or DC voltage) of different types and specification, has saved manufacturer's manual work and material cost, has improved production efficiency, has reduced production and maintenance cost. The conversion of different counting frequencies is realized by setting the dial switch, so that a user can conveniently select a proper counting frequency according to the actual use environment, the universality and the production efficiency of electronic components and circuit boards are improved, and the labor and material cost of manufacturers is saved; the power supply loop adopts a built-in replaceable button battery, so that long-time reliable operation of a product can be ensured, and the utilization rate of an active cumulative counter is increased; through the dormancy and awakening button switch, a user can enable the machine to enter a low-power-consumption dormancy state when the active up counter is not used for a long time, and awaken the machine when the active up counter is required to work, so that the service life of a battery of the active up counter is greatly prolonged, and the service life of the machine is greatly prolonged; inside count chip adopts the low-power consumption singlechip to realize, and peripheral components and parts are few, have improved the utility model discloses active input type adds up stability and reliability of counter.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. An active input type accumulation counter, comprising:
the input loop is used for receiving an external alternating current or direct current voltage signal, converting the external alternating current or direct current voltage signal into a level signal which can be identified by the accumulation loop through processing, and triggering the accumulation loop to carry out counting or resetting action;
a counting frequency setting loop for providing different counting frequencies for the user to select;
the accumulation loop is used for setting the counting frequency according to the set value of the counting frequency setting loop, and then performing accumulation or reset action after receiving the counting or reset signal of the input loop;
the display loop is used for displaying the real-time working state;
and the power supply loop is used for supplying power to the input loop, the counting frequency setting loop, the accumulating loop and the display loop.
2. The active input type accumulation counter of claim 1, wherein: the input loop is active input, an input signal is alternating current or direct current voltage, accumulated input voltage is subjected to voltage reduction through resistors R1, R3 and R4 and then rectified by a full-wave rectifier bridge D1, secondary voltage reduction and filtering are performed through resistors R7, R9 and an electrolytic capacitor C1 to obtain 5V direct current voltage to drive an optocoupler T1 to be switched on, the output end of the optocoupler T1, resistors R11, R13 and a battery B1 form a circuit loop, voltage below 2V is output to serve as a low-level trigger signal for accumulation of the singlechip, and the capacitor C3 is a filter capacitor for accumulating the input signal; the reset input voltage is subjected to voltage reduction through resistors R2, R5 and R6 and then rectified by a full-wave rectifier bridge D2, secondary voltage reduction and filtering are performed through resistors R8 and R10 and an electrolytic capacitor C2, 5V direct-current voltage is output to drive an optocoupler T2 to be switched on, the output end of the optocoupler T2, resistors R12 and R14 and a battery B1 form a circuit loop, voltage below 2V is output to serve as a low-level trigger signal for resetting of a singlechip, and a capacitor C4 is a filter capacitor for resetting the input signal.
3. The active input type accumulation counter of claim 1, wherein: the counting frequency setting loop has two counting frequencies of 300Hz high frequency and 20Hz low frequency for the user to select.
4. An active input type accumulation counter according to any one of claims 1 to 3, characterized in that: the accumulation loop comprises a singlechip IC1 and an external clock; the resistor R16 is connected to the Xout and Xin ports of the singlechip IC1 to form a main oscillating circuit; the resistor R17, the crystal oscillator ZT1, the capacitors C5 and C6 are connected to the XTout and XTin ports of the singlechip IC1 to form a secondary oscillation circuit; the port P0.1 sets the counting frequency according to the read external different level values; when reading an external low level, the port P1.0 triggers a cumulative counting loop to count; when the port P1.1 reads an external low level, triggering a cumulative count loop to clear; the button switch AN1 and the resistor R15 are connected to a P1.2 port of the singlechip IC1, when the button switch AN1 is switched on, the P1.2 port receives a low level signal, and the active input type accumulation counter enters a low power consumption sleep state; the button switch AN2, the capacitor C7, the diode D3, the resistors R18 and R19 are connected to a RESET port of the singlechip IC1, when the button switch AN2 is switched on, the RESET port receives a low-level signal, and the active input type accumulation counter is switched to a normal standby state from a low-power consumption sleep state.
5. The active input type accumulation counter of claim 1, wherein: the power supply loop is composed of a built-in button type battery and a single chip microcomputer.
6. The active input type accumulation counter of claim 1, wherein: the display loop displays the current counting and zero clearing states through an 8-bit high-definition LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120240624.6U CN214042361U (en) | 2021-01-28 | 2021-01-28 | Active input type accumulation counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120240624.6U CN214042361U (en) | 2021-01-28 | 2021-01-28 | Active input type accumulation counter |
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| Publication Number | Publication Date |
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| CN214042361U true CN214042361U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120240624.6U Expired - Fee Related CN214042361U (en) | 2021-01-28 | 2021-01-28 | Active input type accumulation counter |
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| CN (1) | CN214042361U (en) |
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2021
- 2021-01-28 CN CN202120240624.6U patent/CN214042361U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211222 Address after: 214000 No. 9, Yu'an 1st Road, Shuofang New District, Wuxi City, Jiangsu Province Patentee after: WUXI AILITE ENGINEERING EQUIPMENT Co.,Ltd. Address before: 214000 No.1 qianou Road, Wuxi City, Jiangsu Province Patentee before: JIANGSU VOCATIONAL College OF INFORMATION TECHNOLOGY |
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| 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: 20210824 Termination date: 20220128 |