CN220288640U - Sensor with alarm function - Google Patents
Sensor with alarm function Download PDFInfo
- Publication number
- CN220288640U CN220288640U CN202320955283.XU CN202320955283U CN220288640U CN 220288640 U CN220288640 U CN 220288640U CN 202320955283 U CN202320955283 U CN 202320955283U CN 220288640 U CN220288640 U CN 220288640U
- Authority
- CN
- China
- Prior art keywords
- alarm
- output circuit
- circuit
- sensor
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to the technical field of intelligent alarm, and provides a sensor with an alarm function, which comprises: the sensing output circuit comprises a control output circuit and an alarm output circuit, and the power supply voltage stabilizing circuit is connected with the MCU control chip so as to supply power to the whole sensor with the alarm function; according to the utility model, a sensing output circuit is added to the sensor, when the sensing capability of the sensor is reduced, an alarm is generated by outputting a signal through the sensing output circuit, and the transmission of sensor data is performed through the MCU control chip.
Description
Technical Field
The utility model relates to the technical field, in particular to a sensor with an alarm function.
Background
The utility model aims to increase a triode, adjust the sensing capability of a detector by using the triode, and alarm by outputting a signal through the triode and transmit data to an MCU control chip when the sensing capability of the detector is reduced.
Disclosure of Invention
The utility model solves the problem that the sensing capability of the sensor to light is regulated, a triode is added to the sensor, the sensing capability of the detector is regulated by the triode, and when the sensing capability of the detector is reduced, the sensor with the alarm function can give an alarm through the output signal of the triode and feed back in time.
In order to solve the above problems, the present utility model provides a sensor with an alarm function, comprising: MCU control chip, sensing output circuit, power voltage stabilizing circuit, sensing output circuit includes control output circuit and alarm output circuit, power voltage stabilizing circuit connects MCU control chip, and then supplies power to whole sensor that takes alarming function.
Further, the input end of the MCU control chip is connected with a power supply, the signal end is connected with an output mechanism, the control end is connected with a first limit switch, the output end is grounded, and the protection end is provided with a filter capacitor.
Further, the control output circuit comprises an NPN control output circuit and a PNP control output circuit, and the circuit output adopts four-wire output.
Further, the four-wire output comprises a brown wire input end, a blue wire input end, a black wire output end and a white wire output end, wherein the brown wire input end is connected with the positive electrode of the power supply, the blue wire input end is connected with the negative electrode of the power supply, the black wire output end is connected with the control output circuit, and the white wire output end is connected with the alarm output circuit.
Further, the NPN control output circuit comprises a sensor main circuit, a first triode and an alarm load, wherein the collector electrode of the first triode is connected with the alarm load, the base electrode of the first triode is connected with the sensor main circuit, and the emitter electrode of the first triode is connected with a power supply.
Further, the PNP control output circuit comprises a sensor main circuit, a second triode and an alarm load, wherein the emitter of the second triode is connected with the alarm load, the base of the second triode is connected with the sensor main circuit, and the collector of the second triode is connected with a power supply.
Further, the alarm output circuit comprises a PNP alarm output circuit and an NPN alarm output circuit, the alarm load is respectively connected with the NPN control output circuit and the PNP control output circuit, the input end of the alarm load is connected with a power supply, and the first output end of the alarm load is connected with the NPN control output circuit; the second output end is connected with the PNP control output circuit.
Further, the power supply voltage stabilizing circuit comprises a 24V power supply circuit and a power supply voltage stabilizing chip, wherein the input end of the power supply voltage stabilizing chip is connected with the 24V power supply circuit, and the output end of the power supply voltage stabilizing chip is connected with the MCU control chip.
Compared with the prior art, the utility model has the beneficial effects that:
the sensor determines the acquisition efficiency of the sensor through the light intensity value of the received object passing through the lens, the light intensity reaches a set value, the object is considered to pass through, a switching level signal is output through the triode at the moment, and the mirror surface of the detection sensor is considered to be polluted when the signal reaches a specified set value; and then the current signal is output to the MCU control chip through the triode, and the alarm is carried out through the corresponding alarm output circuit, the current signal output by the triode can be debugged through the MCU control chip, and the signal content is transmitted through the MCU control chip.
Drawings
FIG. 1 is a schematic structural diagram of the overall structure of embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of an NPN control output circuit and an NPN alarm output circuit according to embodiment 5 of the utility model;
FIG. 3 is a schematic diagram of the PNP alarm output circuit of the PNP control output circuit according to embodiment 6 of the present utility model;
fig. 4 is a flowchart showing the procedure of embodiment 9 of the present utility model.
Reference numerals illustrate:
1-an MCU control chip; 2-a sense output circuit; 3-a power supply voltage stabilizing circuit;
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
The utility model provides a sensor with an alarm function, as shown in figure 1, comprising: MCU control chip 1, sensing output circuit 2, power stabilizing circuit 3, sensing output circuit 2 includes control output circuit and alarm output circuit, power stabilizing circuit 3 connects MCU control chip 1, and then supplies power to whole sensor that takes alarming function.
In one embodiment of the utility model, the input end of the MCU control chip 1 is connected with a power supply, the signal end is connected with an output mechanism, the control end is connected with a first limit switch, the output end is grounded, and the protection end is provided with a filter capacitor.
In this embodiment, the MCU control chip 1 is used as a central controller of a sensor with an alarm function, and is provided with a sensor output circuit 2 and a power supply voltage stabilizing circuit, and can also output and regulate the sensor output circuit 2 and the power supply voltage stabilizing circuit 3.
In one embodiment of the present utility model, the control output circuit includes an NPN control output circuit and a PNP control output circuit, the circuit outputs taking a four-wire output.
In this embodiment, the transistors are divided into two control output circuits according to the types of the transistors externally connected to the control output circuit, the NPN control output circuit means that when a signal is triggered, the signal output line OUT is connected to the power line VCC, and a high-level power line is output, the PNP control output circuit means that when a signal is triggered, the signal output line OUT is connected to the 0V line, which corresponds to the output of a low-level 0V, and four-line output is adopted at the circuit output part for more intuitively distinguishing the power output lines.
In one embodiment of the present utility model, the four-wire output includes a brown wire input terminal, a blue wire input terminal, a black wire output terminal, and a white wire output terminal, wherein the brown wire input terminal is connected to a positive power supply, the blue wire input terminal is connected to a negative power supply, the black wire output terminal is connected to a control output circuit, and the white wire output terminal is connected to the alarm output circuit.
In this embodiment, the four-wire output adopts the input lines and the output lines with different colors to output, so that the power output direction and the direction of the alarm output circuit can be clearly determined, and convenience is provided for the subsequent receiving of the light intensity change by the sensor.
In one embodiment of the present utility model, as shown in fig. 2, the NPN control output circuit includes a sensor main circuit, a first triode, and an alarm load, where a collector of the first triode is connected to the alarm load, a base is connected to the sensor main circuit, and an emitter is connected to a power supply.
In this embodiment, the NPN control output circuit receives and controls a signal through the first triode (NPN), that is, when a signal is triggered, the collector of the first triode (NPN) is connected to the power line VCC, outputs a high-level power signal, and outputs the signal to the sensor main circuit through the base of the first triode (NPN), and the sensor main circuit transmits the signal to the MCU control chip 1 through the sensing signal pin connected to the MCU control chip 1.
In one embodiment of the present utility model, as shown in fig. 3, the PNP control output circuit includes a sensor main circuit, a second triode, and an alarm load, where an emitter of the second triode is connected to the alarm load, a base is connected to the sensor main circuit, and a collector is connected to a power supply.
It should be noted that, in this embodiment, the PNP control output circuit receives and controls signals through the first triode (PNP), that is, when a signal is triggered, the emitter of the first triode (PNP) is connected with the power line VCC, outputs a high-level power signal, and outputs the signal to the sensor main circuit through the base of the first triode (PNP), and the sensor main circuit transmits the signal to the MCU control chip 1 through the corresponding sensing signal pin connected to the MCU control chip 1.
In one embodiment of the utility model, the alarm output circuit comprises a PNP alarm output circuit and an NPN alarm output circuit, the alarm load is respectively connected with the NPN control output circuit and the PNP control output circuit, the input end of the alarm load is connected with a power supply, and the first output end of the alarm load is connected with the NPN control output circuit; the second output end is connected with the PNP control output circuit.
In this embodiment, the white line output end is connected to the alarm output circuit, the alarm load is respectively connected to the NPN control output circuit and the PNP control output circuit, and the alarm signal transmitted from the alarm load is amplified and transmitted to the MCU control chip 1.
In one embodiment of the present utility model, the power supply voltage stabilizing circuit 3 includes a 24V power supply circuit and a power supply voltage stabilizing chip, where an input end of the power supply voltage stabilizing chip is connected to the 24V power supply circuit, and an output end of the power supply voltage stabilizing chip is connected to the MCU control chip 1.
In this embodiment, the power supply voltage stabilizing chip rectifies, converts and stabilizes the ac power received from the 24V power supply circuit, and then supplies the ac power to the whole sensor circuit.
Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.
Claims (8)
1. A sensor with an alarm function, comprising: MCU control chip (1), sensing output circuit (2), power stabilizing circuit (3), sensing output circuit (2) are including control output circuit and alarm output circuit, power stabilizing circuit (3) connect MCU control chip (1), and then supply power to whole sensor that takes alarming function.
2. The sensor with the alarm function according to claim 1, wherein the input end of the MCU control chip (1) is connected with a power supply, the signal end is connected with an output mechanism, the control end is connected with a first limit switch, the output end is grounded, and the protection end is provided with a filter capacitor.
3. The sensor with alarm function according to claim 1, wherein the control output circuit comprises an NPN control output circuit and a PNP control output circuit, the circuit outputs taking the form of four-wire outputs.
4. A sensor with an alarm function according to claim 3, wherein the four-wire output comprises a brown wire input end, a blue wire input end, a black wire output end and a white wire output end, the brown wire input end is connected with a positive power supply electrode, the blue wire input end is connected with a negative power supply electrode, the black wire output end is connected with a control output circuit, and the white wire output end is connected with the alarm output circuit.
5. A sensor with an alarm function according to claim 3, wherein the NPN control output circuit comprises a sensor main circuit, a first triode, and an alarm load, the collector of the first triode is connected to the alarm load, the base is connected to the sensor main circuit, and the emitter is connected to a power supply.
6. The sensor with the alarm function according to claim 4, wherein the PNP control output circuit comprises a sensor main circuit, a second triode and an alarm load, wherein an emitter of the second triode is connected with the alarm load, a base of the second triode is connected with the sensor main circuit, and a collector of the second triode is connected with a power supply.
7. The sensor with the alarm function according to claim 6, wherein the alarm output circuit comprises a PNP alarm output circuit and an NPN alarm output circuit, the PNP alarm output circuit and the NPN alarm output circuit both alarm through alarm loads, the alarm loads are respectively connected with the NPN control output circuit and the PNP control output circuit, the input end of the alarm loads is connected with a power supply, and the first output end of the alarm loads is connected with the NPN control output circuit; the second output end is connected with the PNP control output circuit.
8. The sensor with the alarm function according to claim 1, wherein the power supply voltage stabilizing circuit (3) comprises a 24V power supply circuit and a power supply voltage stabilizing chip, the input end of the power supply voltage stabilizing chip is connected with the 24V power supply circuit, and the output end of the power supply voltage stabilizing chip is connected with the MCU control chip (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955283.XU CN220288640U (en) | 2023-04-25 | 2023-04-25 | Sensor with alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955283.XU CN220288640U (en) | 2023-04-25 | 2023-04-25 | Sensor with alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220288640U true CN220288640U (en) | 2024-01-02 |
Family
ID=89335087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320955283.XU Active CN220288640U (en) | 2023-04-25 | 2023-04-25 | Sensor with alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220288640U (en) |
-
2023
- 2023-04-25 CN CN202320955283.XU patent/CN220288640U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5142235A (en) | Two wire detection system for producing abnormal state outputs | |
| CN102142834A (en) | Digital output circuit | |
| CN220288640U (en) | Sensor with alarm function | |
| CN214544872U (en) | LED drive protection circuit and device | |
| CN109448621A (en) | A kind of driving circuit and display device | |
| CN102063082B (en) | Digital input circuit | |
| CN212231785U (en) | Electronic equipment and adaptive dimming device thereof | |
| CN210899726U (en) | Trinity control interface circuit of lamps and lanterns | |
| CN210833863U (en) | Light detection equipment | |
| CN213547491U (en) | Signal input circuit and signal input device that sensor was used | |
| CN218514366U (en) | Power tube self-locking protection circuit | |
| CN214542041U (en) | Switch with feedback | |
| CN215494758U (en) | Dummy load control circuit of ultra-wide input power supply | |
| CN216650048U (en) | LED lamp switching control circuit and charging device | |
| CN214045496U (en) | Multi-gear motor speed regulating device, motor and electric tool | |
| CN208921908U (en) | Optocoupler sensor circuit and projector | |
| CN215817915U (en) | Power control management circuit | |
| CN215682700U (en) | Light filling control circuit | |
| CN210894469U (en) | Backlight current detection circuit and device | |
| CN216697034U (en) | Input/output detection control system | |
| CN107332548A (en) | A kind of optoelectronic switch | |
| CN113054965B (en) | Detection circuit for closed and suspended states of high-low level effective switch of vehicle | |
| CN218549500U (en) | High-voltage isolation communication circuit | |
| CN219775504U (en) | Intelligent wardrobe lamp and intelligent wardrobe system thereof | |
| CN214381517U (en) | Visual light source controller capable of outputting self-adaptive constant current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |