CN219811151U - Sensor detection abnormality alarm circuit and device - Google Patents
Sensor detection abnormality alarm circuit and device Download PDFInfo
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- CN219811151U CN219811151U CN202321117418.1U CN202321117418U CN219811151U CN 219811151 U CN219811151 U CN 219811151U CN 202321117418 U CN202321117418 U CN 202321117418U CN 219811151 U CN219811151 U CN 219811151U
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Abstract
The utility model provides a sensor detection abnormality alarm circuit and a device, comprising: the power supply unit is connected with the control unit, the control unit comprises a button switch module and a control module for controlling the sensors to detect abnormal alarms, the control module comprises a PLC control sub-module and an alarm sub-module, the input end of the PLC control sub-module is connected with a plurality of sensors, and the output end of the PLC control sub-module is connected with the alarm sub-module; the utility model has the following beneficial effects: the sensor can compare the detection data with preset minimum requirements, when the detection data is lower than the preset minimum requirements, the sensor can send an electric signal to the PLC, the PLC can determine an alarm indicator corresponding to the sensor according to the sensor, and the PLC controls the alarm indicator to light and controls the explosion-proof electric bell to make a sound, so that the aim of providing staff in time is fulfilled.
Description
Technical Field
The utility model relates to the technical field of monitoring and early warning, in particular to a sensor detection abnormality alarm circuit and device.
Background
The hydraulic equipment is a generic name of hydraulic devices on ships for driving hydraulic anchor machines, steering engines, cargo lifts, cabin cover plates, adjustable propellers and the like, and consists of control valves, auxiliary parts, pipelines and the like of a power part, an execution part, a control part and the like, and the hydraulic equipment is used for mutually converting the pressure energy and the mechanical energy of liquid media in a system to achieve the purpose of transmitting motion, force and moment.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a sensor detection abnormality alarm circuit and apparatus for solving the problem in the prior art that the normal operation of the blowout preventer control system is affected because the abnormality of the hydraulic equipment cannot be found in time.
To achieve the above and other related objects, the present utility model provides a sensor detection abnormality alarm circuit comprising: the power supply unit is connected with the control unit, the control unit comprises a button switch module and a control module used for controlling a sensor to detect abnormal alarming, the button switch module is connected with the power supply unit, the button switch module is further connected with the control module through a switch power supply, the control module comprises a PLC control sub-module and an alarming sub-module, the PLC control sub-module and the alarming sub-module are connected with the button switch module through the switch power supply, the input end of the PLC control sub-module is connected with a plurality of sensors, and the output end of the PLC control sub-module is connected with the alarming sub-module.
In an embodiment of the utility model, the power supply unit includes a circuit breaker, a fuse, an ac contactor and a thermal relay, the circuit breaker is connected with an external power supply, the fuse and the ac contactor, the fuse is connected with the control unit, and the ac contactor is connected with the motor through the thermal relay.
In one embodiment of the utility model, the push button switch module includes a manual control knob, a stop button, a start button, a contactor contact, a contactor coil, a thermal relay contact, an operation indicator light, and a pressure controller for controlling the motor.
In an embodiment of the utility model, the PLC control submodule comprises a PLC controller connected with a plurality of sensors and an alarm relay corresponding to the plurality of sensors, and the alarm relay is respectively connected with the button switch module and the alarm submodule.
In an embodiment of the utility model, the alarm submodule comprises a plurality of alarm indicator lamps and an explosion-proof electric bell, wherein the alarm indicator lamps are respectively connected with the button switch module and an alarm relay in the PLC control submodule, and the explosion-proof electric bell is connected with a PLC controller in the PLC control submodule.
The utility model also provides a sensor detection abnormality alarm device, which comprises: the detection shell is internally provided with a circuit breaker, a fuse, an alternating current contactor and a thermal relay, the detection shell is internally provided with a switching power supply and a PLC (programmable logic controller) control assembly which are positioned on the sides of the circuit breaker, the fuse, the alternating current contactor and the thermal relay, the PLC control assembly is electrically connected with a plurality of sensors through wires, the surface of the detection shell is provided with a plurality of alarm indicator lamps corresponding to the plurality of sensors, and the PLC control assembly is electrically connected with the plurality of alarm indicator lamps through wires.
In an embodiment of the present utility model, a power indicator, an operation indicator, a stop button, a start button, and an automatic manual control knob are further disposed on a surface of the detection housing in sequence.
As described above, the sensor detection abnormality alarm circuit and device of the utility model have the following beneficial effects:
according to the utility model, the PLC in the PLC control submodule can receive the electric signals sent by the sensors arranged in each hydraulic equipment or in different parts in the same hydraulic equipment in real time, the sensors can compare the detection data with preset minimum requirements, when the detection data are lower than the preset minimum requirements, the sensors can send the electric signals to the PLC, the PLC can determine the alarm indicator corresponding to the sensors according to the sensors, the PLC controls the alarm indicator to light up and control the explosion-proof electric bell to make a sound, so that the aim of timely providing staff is fulfilled, the problem that the normal operation of the blowout preventer control system is influenced because the hydraulic equipment cannot be found out in time is solved, the probability of accidents possibly occurring in the blowout preventer control system during operation is reduced as much as possible, the manual detection time is reduced, the risk of personnel injury is reduced, and each index of the blowout preventer control system is accurately and sensitively detected.
Drawings
FIG. 1 is a block diagram showing the overall structure of a sensor detection abnormality alarm circuit disclosed in an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of a power supply unit in an abnormality detection alarm circuit for a sensor according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of a control unit in an abnormality detection alarm circuit of the sensor according to an embodiment of the present utility model;
fig. 4 is a schematic top view of a sensor detection abnormality alarm device according to an embodiment of the present utility model.
Description of element reference numerals
1. A detection housing; 2. a circuit breaker; 3. a fuse; 4. an alternating current contactor; 5. a thermal relay; 6. a switching power supply; 7. a PLC control assembly; 8. a power indicator light; 9. operating an indicator light; 10. an alarm indicator light; 11. a stop button; 12. a start button; 13. a manual and automatic control knob; 14. explosion-proof bell.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Embodiment one:
referring to fig. 1 to 3, the present utility model provides a sensor detection abnormality alarm circuit, which includes: the power supply unit is connected with the control unit, the control unit comprises a button switch module and a control module for controlling the sensors to detect abnormal alarms, the button switch module is connected with the power supply unit, the button switch module is also connected with the control module through a switch power supply 6, the control module comprises a PLC control sub-module and an alarm sub-module, the PLC control sub-module and the alarm sub-module are both connected with the button switch module through the switch power supply 6, the input end of the PLC control sub-module is connected with a plurality of sensors, and the output end of the PLC control sub-module is connected with the alarm sub-module;
the power supply unit comprises a breaker 2, a fuse 3, an alternating current contactor 4 and a thermal relay 5, wherein the breaker 2 is respectively connected with an external power supply, the fuse 3 and the alternating current contactor 4, the fuse 3 is connected with the control unit, the alternating current contactor 4 is connected with the motor through the thermal relay 5, when a short circuit or overload condition occurs in the circuit, the breaker 2 and the fuse 3 complete the power-off operation of the circuit, so that the safety of equipment and personnel can be protected, the alternating current contactor 4 is connected with 380V alternating current, and 220V alternating current is led out from the contacts of the alternating current contactor 4 to enter the control unit; the button switch module comprises a manual control knob 13, a stop button 11, a start button 12, contactor contacts, contactor coils, thermal relay contacts, an operation indicator lamp 9 and a pressure controller for controlling the motor; the PLC control submodule comprises a PLC controller connected with a plurality of sensors and an alarm relay corresponding to the plurality of sensors, and the alarm relay is respectively connected with the button switch module and the alarm submodule; the alarm submodule comprises a plurality of alarm indicator lamps 10 and an explosion-proof electric bell, wherein the alarm indicator lamps 10 are respectively connected with the button switch module and an alarm relay in the PLC control submodule, and the explosion-proof electric bell is connected with a PLC controller in the PLC control submodule.
Specifically, in this embodiment, the sensor is a pressure sensor, in practical application, the sensor may also be a sensor for detecting other data, each pressure sensor is installed in each hydraulic device or installed in a different position in the same hydraulic device, each pressure sensor has a corresponding alarm indicator lamp 10, the pressure sensor compares the detected data with a preset minimum requirement, when the detected data is lower than the preset minimum requirement, the pressure sensor sends an electrical signal to the PLC controller, the PLC controller determines the alarm indicator lamp 10 corresponding to the sensor according to the sensor, then controls the alarm indicator lamp 10 to light up and controls the explosion-proof electric bell to make a sound, so as to remind related staff, when the pressure sensor verifies that each detected data is greater than or equal to the preset minimum requirement, the alarm indicator lamp 10 blinks and stops, and the alarm sound stops.
Embodiment two:
referring to fig. 4, the present utility model provides a sensor detection abnormality alarm device, which includes: the detection device comprises a detection shell 1, wherein a circuit breaker 2, a fuse 3, an alternating current contactor 4 and a thermal relay 5 are arranged in the detection shell 1, a switching power supply 6 and a PLC control component 7 are arranged on the side surfaces of the circuit breaker 2, the fuse 3, the alternating current contactor 4 and the thermal relay 5 in the detection shell 1, the PLC control component 7 is electrically connected with a plurality of sensors through wires, a plurality of alarm indicator lamps 10 are arranged on the surface of the detection shell 1 corresponding to the plurality of sensors, the PLC control component 7 is electrically connected with the plurality of alarm indicator lamps 10 through wires, a power indicator lamp 8, an operation indicator lamp 9, a stop button 11, a start button 12 and a manual control knob 13 are arranged on the surface of the detection shell 1 in sequence, wherein after the circuit breaker 2 is closed, current reaches the alternating current contactor 4 after flowing through the fuse 3, the alternating current contactor 4 is electrified and is attracted, the circuit is electrified, and then the PLC control component 7 containing the alarm indicator lamps 10 is connected, and the detection and alarm of the whole circuit are controlled through the PLC control component 7;
specifically, when the sensor detecting abnormality alarm device is used, each sensor is firstly installed on the sensor detecting abnormality alarm device through a wire, then the start button 12 is clicked, so that the sensor detecting abnormality alarm device is in a powered-on state.
In summary, the PLC controller in the PLC control submodule of the present utility model can receive the electrical signals sent by the sensors installed in each hydraulic device or in different parts in the same hydraulic device in real time, the sensors compare the detected data with the preset minimum requirements, when the detected data is lower than the preset minimum requirements, the sensors send the electrical signals to the PLC controller, the PLC controller determines the alarm indicator lamp 10 corresponding to the sensor according to the sensors, and the PLC controller controls the alarm indicator lamp 10 to light and controls the explosion-proof bell to make a sound, thereby achieving the purpose of providing staff in time, solving the problem that the normal operation of the blowout preventer control system is affected because the hydraulic device cannot be found out in time, reducing the probability of accidents possibly occurring in the operation of the blowout preventer control system as much as possible, thereby reducing the manual detection time and reducing the risk of injury of personnel, and accurately and sensitively detecting the indexes of the blowout preventer control system. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (7)
1. A sensor detection abnormality alarm circuit, characterized by comprising: the power supply unit is connected with the control unit, the control unit comprises a button switch module and a control module used for controlling a sensor to detect abnormal alarming, the button switch module is connected with the power supply unit, the button switch module is further connected with the control module through a switch power supply, the control module comprises a PLC control sub-module and an alarming sub-module, the PLC control sub-module and the alarming sub-module are connected with the button switch module through the switch power supply, the input end of the PLC control sub-module is connected with a plurality of sensors, and the output end of the PLC control sub-module is connected with the alarming sub-module.
2. A sensor detection abnormality alarm circuit according to claim 1, characterized in that: the power supply unit comprises a circuit breaker, a fuse, an alternating current contactor and a thermal relay, wherein the circuit breaker is respectively connected with an external power supply, the fuse and the alternating current contactor, the fuse is connected with the control unit, and the alternating current contactor is connected with the motor through the thermal relay.
3. A sensor detection abnormality alarm circuit according to claim 1, characterized in that: the button switch module comprises a manual and automatic control knob, a stop button, a start button, a contactor contact, a contactor coil, a thermal relay contact, an operation indicator lamp and a pressure controller for controlling the motor.
4. A sensor detection abnormality alarm circuit according to claim 1, characterized in that: the PLC control submodule comprises a PLC controller connected with a plurality of sensors and an alarm relay corresponding to the plurality of sensors, and the alarm relay is respectively connected with the button switch module and the alarm submodule.
5. The sensor detection abnormality alarm circuit according to claim 4, wherein: the alarm submodule comprises a plurality of alarm indicator lamps and an explosion-proof electric bell, wherein the alarm indicator lamps are respectively connected with the button switch module and an alarm relay in the PLC control submodule, and the explosion-proof electric bell is connected with a PLC controller in the PLC control submodule.
6. A sensor detection abnormality alarm device characterized by comprising: the detection shell is internally provided with a circuit breaker, a fuse, an alternating current contactor and a thermal relay, the detection shell is internally provided with a switching power supply and a PLC (programmable logic controller) control assembly which are positioned on the sides of the circuit breaker, the fuse, the alternating current contactor and the thermal relay, the PLC control assembly is electrically connected with a plurality of sensors through wires, the surface of the detection shell is provided with a plurality of alarm indicator lamps corresponding to the plurality of sensors, and the PLC control assembly is electrically connected with the plurality of alarm indicator lamps through wires.
7. The sensor detection abnormality alarm device according to claim 6, characterized in that: the surface of the detection shell is also provided with a power indicator lamp, an operation indicator lamp, a stop button, a start button and a manual and automatic control knob in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117418.1U CN219811151U (en) | 2023-05-09 | 2023-05-09 | Sensor detection abnormality alarm circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321117418.1U CN219811151U (en) | 2023-05-09 | 2023-05-09 | Sensor detection abnormality alarm circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219811151U true CN219811151U (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321117418.1U Active CN219811151U (en) | 2023-05-09 | 2023-05-09 | Sensor detection abnormality alarm circuit and device |
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| Country | Link |
|---|---|
| CN (1) | CN219811151U (en) |
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2023
- 2023-05-09 CN CN202321117418.1U patent/CN219811151U/en active Active
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