CN217787224U - Self-adaptive current detection alarm output device - Google Patents
Self-adaptive current detection alarm output device Download PDFInfo
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- CN217787224U CN217787224U CN202220758524.7U CN202220758524U CN217787224U CN 217787224 U CN217787224 U CN 217787224U CN 202220758524 U CN202220758524 U CN 202220758524U CN 217787224 U CN217787224 U CN 217787224U
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Abstract
The utility model relates to a self-adaptation current detection alarm output device, including load, current detection module, AD conversion module, treater and alarm module. The utility model provides a pair of self-adaptation current detection alarm output device sets up the electric current alarm range that different loads correspond in advance through the treater, and when inserting different loads, this device can the different load's of self-adaptation electric current to the different loads of flowing through carries out alarm output, and when current signal was in the electric current alarm range, alarm module carried out alarm output.
Description
Technical Field
The utility model relates to an alarm device technical field especially relates to an adaptive current detects alarm output device.
Background
The current detection is applied to various industries, for example, the accuracy of a control system and the use effect of equipment are most directly influenced, if the current is too large, mechanical transmission faults and electrical faults are easily caused, and therefore, the current detection alarm device is very important and indispensable for ensuring the normal operation of the equipment. The existing current detection alarm device can only carry out current detection alarm aiming at specific loads generally, has a single structure and a small application range, and the alarm current range is fixedly set, so that the current detection alarm can not be carried out on different loads. Therefore, it is necessary to provide an adaptive current detection alarm output device capable of adaptively adjusting the current of different loads and outputting an alarm according to the current of different loads.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a self-adaptation current detection alarm output device, the electric current that can the different loads of self-adaptation to the electric current to different loads carries out the output of reporting to the police.
The utility model provides a self-adaptive current detection alarm output device, which comprises a load (1), a current detection module (2), an AD conversion module (3), a processor (4) and an alarm module (5);
the current detection module (2) is electrically connected with the load (1), and the current detection module (2) is used for detecting a current signal passing through the load (1);
the output end of the current detection module (2) is electrically connected with the input end of the AD conversion module (3), and the AD conversion module (3) is used for converting a current signal detected by the current detection module (2) in an analog-to-digital mode;
the output end of the AD conversion module (3) is electrically connected with a processor (4), and the processor (4) is used for processing current signals;
the I/O port of the processor (4) is electrically connected with the input end of the alarm module (5), and the alarm module (5) is used for outputting an alarm signal.
On the basis of the above scheme, preferably, the current detection module (2) comprises a resistor R2 and a resistor R6; one end of the resistor R2 is electrically connected with one end of the load (1) and one end of the resistor R6 respectively, the other end of the resistor R2 is grounded, and the other end of the resistor R6 is electrically connected with the input end of the AD conversion module (3) as the output end of the current detection module (2).
On the basis of the above scheme, preferably, the alarm module (5) includes a resistor R8, a resistor R9, a triode Q1 and a light emitting diode D1; one end of the resistor R9 is electrically connected with an I/O port of the processor (4), the other end of the resistor R9 is electrically connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is electrically connected with a cathode of the light-emitting diode D1, a collecting electrode of the triode Q1 is grounded, an anode of the light-emitting diode D1 is electrically connected with one end of the resistor R8, and the other end of the resistor R8 is connected with +5V voltage.
On the basis of the above scheme, preferably, the system further comprises a storage module (6); the storage module (6) is electrically connected with the processor (4).
On the basis of the above scheme, preferably, the storage module (6) is an AT24C02 chip.
On the basis of the scheme, the device preferably further comprises a power supply module (7); the power module (7) is electrically connected with the load (1), and the power module (7) is used for supplying power to the load (1).
Compared with the prior art, the utility model provides a pair of self-adaptation current detection alarm output device possesses following beneficial effect:
(1) The utility model provides a pair of self-adaptation current detection alarm output device sets up the electric current alarm range that different loads correspond in advance through the treater, and when inserting different loads, this device can the different load's of self-adaptation electric current to the different loads of flowing through carries out alarm output, and when current signal was in the electric current alarm range, alarm module carried out alarm output.
(2) The utility model provides a pair of self-adaptation current detection alarm output device, simple structure, application scope is wide, and the alarm current scope corresponds the setting according to the load of difference, and can carry out the current detection to the load of difference and report to the police, and the practicality is strong.
Drawings
FIG. 1 is a block diagram of an adaptive current detection alarm output device according to an embodiment of the present disclosure;
fig. 2 is a schematic circuit diagram of an adaptive current detection alarm output device according to an embodiment of the present application.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
As shown in fig. 1, the utility model provides a pair of self-adaptation current detection alarm output device, including load 1, current detection module 2, AD conversion module 3, treater 4 and alarm module 5.
The load 1 is generally referred to as a consumer.
The current detection module 2 is used for detecting a current signal passing through the load 1, the current detection module 2 is electrically connected with the load 1, and the output end of the current detection module 2 is electrically connected with the input end of the AD conversion module 3. As shown in fig. 2, preferably, the current detection module 2 includes a resistor R2 and a resistor R6; one end of the resistor R2 is electrically connected to one ends of the load 1 and the resistor R6, the other end of the resistor R2 is grounded, and the other end of the resistor R6 is electrically connected to the input end of the AD conversion module 3 as the output end of the current detection module 2. It should be noted that the resistor R2 is a power resistor for generating a voltage drop; the resistor R6 is a current-limiting resistor and is used for protecting the resistor R6 and avoiding burning out when the resistor R is in overcurrent. The resistor R2 and the resistor R6 constitute a current detection circuit for transmitting a current signal passing through the load 1 to the AD conversion module 3.
The AD conversion module 3 is used for converting the current signal detected by the current detection module 2 in an analog-to-digital mode, and the accuracy of current collection is further improved. The output end of the AD conversion module 3 is electrically connected with the processor 4, and the I/O port of the processor 4 is electrically connected with the input end of the alarm module 5. As shown in fig. 2, the AD conversion module 3 includes an AD conversion chip U1 and resistors R3 to R5, and the processor 4 includes a single chip microcomputer chip U2, capacitors C4 to C7, a capacitor C10, a resistor R7, and a crystal oscillator Y1; wherein, the sixth pin of the AD conversion chip U1 is used as the input end of the AD conversion module 3 and is electrically connected with the output end of the current detection module 2, the first pin of the AD conversion chip U1 is electrically connected with the eleventh pin of the singlechip chip U2, the second pin of the AD conversion chip U1 is electrically connected with the ninth pin of the singlechip chip U2, the third pin of the AD conversion chip U1 is electrically connected with the eighth pin of the singlechip chip U2, the fourth pin of the AD conversion chip U1 is respectively electrically connected with one end of the capacitor C1 and one end of the resistor R3, the other end of the resistor R3 is electrically connected with the nineteenth pin of the AD conversion chip U1, the other end of the capacitor C1 is grounded, the seventh pin and the eighth pin of the AD conversion chip U1 are grounded, the tenth pin of the AD conversion chip U1 is electrically connected with one end of the resistor R5, the ninth pin of the AD conversion chip U1 is respectively electrically connected with the other end of the resistor R5 and one end of the resistor R4, the other end of the resistor R4 is respectively electrically connected with one end of the capacitor C7, one end of the capacitor C4 and a twentieth pin of the singlechip chip U2, the other end of the capacitor C7 and the other end of the capacitor C4 are grounded, an eleventh pin of the AD conversion chip U1 is electrically connected with a nineteenth pin of the singlechip chip U2, a twelfth pin of the AD conversion chip U1 is electrically connected with an eighteenth pin of the singlechip chip U2, a thirteenth pin of the AD conversion chip U1 is electrically connected with a seventeenth pin of the singlechip chip U2, a fourteenth pin of the AD conversion chip U1 is electrically connected with a sixteenth pin of the singlechip chip U2, a fifteenth pin of the AD conversion chip U1 is electrically connected with a fifteenth pin of the singlechip chip U2, a sixteenth pin of the AD conversion chip U1 is electrically connected with a fourteenth pin of the singlechip chip U2, a seventeenth pin of the AD conversion chip U1 is electrically connected with a thirteenth pin of the singlechip chip U2, an eighteenth pin of the AD conversion chip U1 is electrically connected to a twelfth pin of the single chip U2, a tenth pin of the single chip U2 is grounded, a twentieth pin of the AD conversion chip U1 is connected to +5V, a seventh pin of the single chip U2 is electrically connected to an input terminal of the alarm module 5 as an I/O port of the processor 4, one end of the crystal oscillator Y1 is electrically connected to a fifth pin of the single chip U2 and one end of the capacitor C6, the other end of the crystal oscillator Y1 is electrically connected to a fourth pin of the single chip U2 and one end of the capacitor C5, the other end of the capacitor C5 and the other end of the capacitor C6 are grounded, the first pin of the single chip U2 is electrically connected to one end of the capacitor C10 and one end of the resistor R7, the other end of the capacitor C10 is electrically connected to the twentieth pin of the single chip U2, and the other end of the resistor R7 is grounded. The AD conversion chip U1 is preferably an AD0804 chip, and the singlechip chip U2 is preferably an AT89C2051 chip.
It should be noted that the resistor R4 and the resistor R5 are voltage dividing resistors; the capacitor C4 and the capacitor C7 are filter capacitors and are used for enhancing the anti-interference performance of the circuit; the capacitor C10 and the resistor R7 form a reset circuit; the capacitor C5, the capacitor C6 and the crystal oscillator Y1 constitute a crystal oscillation circuit. The single chip microcomputer chip U2 is used for setting corresponding current alarm ranges for different loads 1, the specific setting process relates to improvement of software programs, and redundant description is omitted here, the single chip microcomputer chip U2 is used for comparing current signals output by the AD conversion module 3 with the set current alarm ranges, if the current signals are in the current alarm ranges, the single chip microcomputer chip U2 controls the alarm module 5 to work, and if the current signals are in the current qualified ranges, the single chip microcomputer chip U2 controls the alarm module 5 to not work.
The alarm module 5 is used for outputting an alarm signal. As shown in fig. 2, the alarm module 5 includes a resistor R8, a resistor R9, a triode Q1, and a light emitting diode D1; one end of the resistor R9 is electrically connected with an I/O port of the processor 4, the other end of the resistor R9 is electrically connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is electrically connected with a cathode of the light-emitting diode D1, a collecting electrode of the triode Q1 is grounded, an anode of the light-emitting diode D1 is electrically connected with one end of the resistor R8, and the other end of the resistor R8 is connected with +5V voltage.
When the single chip microcomputer chip U2 judges that the current signal flowing through the load 1 is in the current alarm range, the single chip microcomputer chip U2 sends a low level signal to the triode Q1, and the light emitting diode D1 is conducted to realize output alarm.
Preferably, the device further comprises a storage module 6, wherein the storage module 6 is used for storing current alarm ranges corresponding to different loads 1 and set by the single chip microcomputer chip U2 and current signals flowing through the different loads 1 and measured in real time; the memory module 6 is electrically connected with the processor 4. The storage module 6 is preferably an AT24C02 chip, as shown in fig. 2, a first pin, a second pin, a third pin, a fourth pin and a seventh pin of the AT24C02 chip are grounded, a sixth pin of the AT24C02 chip is electrically connected with a second pin of the single chip microcomputer chip U2, a fifth pin of the AT24C02 chip is electrically connected with a third pin of the single chip microcomputer chip U2, and an eighth pin of the AT24C02 chip is electrically connected with one end of the capacitor C10.
Preferably, the device also comprises a power supply module 7; the power module 7 is electrically connected with the load 1, the power module 7 is used for supplying power to the load 1, the power module 7 of the embodiment does not relate to improvement of a circuit structure, power supply is realized by adopting a storage battery, and the power supply range of the storage battery is preferably 12V-24V.
The beneficial effects of this embodiment:
the utility model provides a pair of self-adaptation current detection alarm output device, through the electric current alarm range that the treater preset different loads correspond, when inserting different loads, this device can the electric current of different loads of self-adaptation to and carry out alarm output to the electric current that flows through different loads, when current signal is in the electric current alarm range, alarm module carries out alarm output;
the utility model provides a pair of self-adaptation current detection alarm output device, simple structure, application scope is wide, and the alarm current scope corresponds the setting according to the load of difference, and can carry out the current detection to the load of difference and report to the police, and the practicality is strong.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (6)
1. An adaptive current detection alarm output device is characterized by comprising a load (1), a current detection module (2), an AD conversion module (3), a processor (4) and an alarm module (5);
the current detection module (2) is electrically connected with the load (1), and the current detection module (2) is used for detecting a current signal passing through the load (1);
the output end of the current detection module (2) is electrically connected with the input end of the AD conversion module (3), and the AD conversion module (3) is used for converting a current signal detected by the current detection module (2) in an analog-to-digital mode;
the output end of the AD conversion module (3) is electrically connected with a processor (4), and the processor (4) is used for processing a current signal;
the I/O port of the processor (4) is electrically connected with the input end of the alarm module (5), and the alarm module (5) is used for outputting an alarm signal.
2. The adaptive current sensing alarm output device according to claim 1, wherein the current sensing module (2) includes a resistor R2 and a resistor R6; one end of the resistor R2 is electrically connected with one end of the load (1) and one end of the resistor R6 respectively, the other end of the resistor R2 is grounded, and the other end of the resistor R6 is electrically connected with the input end of the AD conversion module (3) as the output end of the current detection module (2).
3. The adaptive current sensing alarm output device according to claim 1, wherein the alarm module (5) comprises a resistor R8, a resistor R9, a transistor Q1 and a light emitting diode D1; one end of the resistor R9 is electrically connected with an I/O port of the processor (4), the other end of the resistor R9 is electrically connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is electrically connected with a cathode of the light-emitting diode D1, a collecting electrode of the triode Q1 is grounded, an anode of the light-emitting diode D1 is electrically connected with one end of the resistor R8, and the other end of the resistor R8 is connected with +5V voltage.
4. The adaptive current sense alarm output device of claim 2, further comprising a memory module (6); the storage module (6) is electrically connected with the processor (4).
5. The adaptive current sense alarm output device of claim 4, wherein the memory module (6) is an AT24C02 chip.
6. The adaptive current sensing alarm output device of claim 2, further comprising a power module (7); the power module (7) is electrically connected with the load (1), and the power module (7) is used for supplying power to the load (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758524.7U CN217787224U (en) | 2022-03-29 | 2022-03-29 | Self-adaptive current detection alarm output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220758524.7U CN217787224U (en) | 2022-03-29 | 2022-03-29 | Self-adaptive current detection alarm output device |
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| Publication Number | Publication Date |
|---|---|
| CN217787224U true CN217787224U (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220758524.7U Active CN217787224U (en) | 2022-03-29 | 2022-03-29 | Self-adaptive current detection alarm output device |
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| Country | Link |
|---|---|
| CN (1) | CN217787224U (en) |
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- 2022-03-29 CN CN202220758524.7U patent/CN217787224U/en active Active
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