Dual-power-supply automatic switching control device based on infrared thermal imaging technology

Abstract

The utility model discloses a dual-power-supply automatic switching control device based on an infrared thermal imaging technology. The device comprises a data acquisition module, a programmable control module, a power supply module and a load unit, the output end of the data acquisition module is connected with the input end of the programmable control module; the output end of the programmable control module is connected with the input end of the power supply module; the output end of the power supply module is connected with the input end of the load unit; the output end of the main power supply module and the output end of the standby power supply module are connected with the load unit. According to the invention, the equipment performance is monitored and maintained, so that the equipment failure rate is reduced, the manual maintenance cost is reduced, and the equipment starting rate is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thermal energy state monitoring and programmable control, and particularly relates to a dual-power automatic switching control device based on infrared thermal imaging technology. BACKGROUND

[0002] At present, the thermal energy state monitoring of traditional equipment components is usually monitored online or offline by detection tools, and after a fault is found and a warning is given, the equipment is maintained after being stopped for a period of time or is immediately stopped for maintenance, so as to ensure the stability of the equipment. During the period, the normal production operation time is affected, and the equipment operation rate is reduced. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a dual-power automatic switching control device based on infrared thermal imaging technology, which is used to solve the technical problems that the equipment is stopped due to overheating of the power supply in the existing thermal energy state monitoring technology of equipment components, and the equipment operation and maintenance time is too long.

[0004] In a first aspect, the present application provides a dual-power automatic switching control device based on infrared thermal imaging technology, which comprises a data acquisition module, a programmable control module, a power supply module and a load unit. The output end of the data acquisition module is connected to the input end of the programmable control module. The output end of the programmable control module is connected to the input end of the power supply module. The programmable control module comprises a programmable controller, an input unit and an output control unit. The input end of the input unit is connected to the output end of the data acquisition module. The output control unit is connected to the input end of the power supply module. The output end of the power supply module is connected to the input end of the load unit. The power supply module comprises a main power supply module and a backup power supply module. The input end of the main power supply module is connected to the output end of the output control unit. The input end of the backup power supply module is connected to the output end of the output control unit. The output end of the main power supply module and the output end of the backup power supply module are both connected to the load unit.

[0005] In an embodiment of the present application, the data acquisition module comprises an infrared imaging unit, a data analysis processing unit, an abnormal alarm unit and a communication transmission unit. The input end of the infrared imaging unit is connected to a temperature detection device of a target power supply module. The output end of the infrared imaging unit is connected to the data analysis processing unit. The output end of the data analysis processing unit is connected to the input end of the abnormal alarm unit. The output end of the abnormal alarm unit is connected to the communication transmission unit. The communication transmission unit is connected to the input end of the programmable control module.

[0006] In an embodiment of the present application, the infrared imaging unit adopts an infrared thermal imaging camera probe for real-time heat monitoring of the power module in the target switch cabinet.

[0007] In an embodiment of the present application, the programmable controller adopts a PLC; the input unit includes a plurality of input points, which are connected to the output end of the data acquisition module; the output control unit includes a plurality of output points, which are used to control the device state of the load unit.

[0008] In an embodiment of the present application, each of the input points corresponds to one of the output points.

[0009] In an embodiment of the present application, the power supply module further includes a main circuit breaker, a first contactor, and a second contactor; the input end of the main circuit breaker is connected to the output end of the programmable control module; the output end of the main circuit breaker is connected to the first end of the first contactor and the first end of the second contactor, respectively; the second end of the first contactor is connected to the main power module; and the second end of the second contactor is connected to the backup power module.

[0010] In an embodiment of the present application, the first contactor and the second contactor are set as normally open contacts; and the on-off of the first contactor and the second contactor is controlled by the programmable control module.

[0011] In an embodiment of the present application, the load unit includes an electrical equipment; and the electrical equipment is connected to the output end of the power supply module.

[0012] In an embodiment of the present application, the device further includes a user interface module; the input end of the user interface module is connected to the output end of the programmable control module, for receiving the output signal of the programmable control module and automatically correcting the temperature in combination with the power temperature curve to generate a temperature monitoring database.

[0013] In an embodiment of the present application, the user interface module includes a touch screen unit, an audible and visual alarm unit, and a function button unit; and the touch screen unit, the audible and visual alarm unit, and the function button unit are all arranged on a user interface cabinet.

[0014] As described above, the dual power automatic switching control device based on infrared thermal imaging technology has the following beneficial effects:

[0015] (1) The dual power automatic switching control device based on infrared thermal imaging technology provided by the application can collect real-time temperature data of the power supply through an infrared thermal imaging probe, complete power supply operation state monitoring through temperature calibration and infrared thermal spectrum image processing, output power supply heating abnormality alarm combined with internal data analysis, send the alarm to a programmable control module through a communication transmission unit, control the programmable control module to switch the heating power supply to the standby power supply to supply power to the load unit, output the alarm to a user interface module by the programmable control module, generate a fault report, automatically correct the temperature warning unit combined with the power supply temperature curve, and form a temperature monitoring database;

[0016] (2) The dual power automatic switching control device based on infrared thermal imaging technology provided by the application improves the power supply operation stability and the overall equipment operation rate, and reduces the labor maintenance cost;

[0017] (3) The dual power automatic switching control device based on infrared thermal imaging technology of the application has a simple structure and small size, and has strong universality and wide application range. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 shows the overall architecture of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the application.

[0019] Figure 2 FIG. 2 shows the control structure of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the application.

[0020] Figure 3 FIG. 3 shows the programmable control module in the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the application.

[0021] Figure 4 FIG. 4 shows the power supply module in the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the application.

[0022] Figure 5 FIG. 5 shows the user interface module of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] Serial number Name 1 Dual power automatic switching control device based on infrared thermal imaging technology 100 Data acquisition module 200 Programmable control module 300 Power supply module 400 Load unit 500 User interface module 110 Infrared imaging unit 120 Data analysis processing unit 130 Abnormal alarm unit 140 Communication transmission unit 210 Programmable controller 220 Input unit 230 Output control unit 310 Main circuit breaker 320 First contactor 330 Second contactor 340 Main power module 350 Standby power module 410 Electric equipment 510 Touch screen unit 520 Acoustic and light alarm unit 530 Function button unit 600 User interface cabinet DETAILED DESCRIPTION

[0025] The application will be further described below in conjunction with the drawings, but the scope of protection of the application is not limited to the following description.

[0026] Following specific examples illustrate the embodiments of the present application, and other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of this specification. The present application can also be implemented or applied by other different specific embodiments, and various modifications or changes can be made to the details in this specification based on different views and applications without departing from the spirit of the present application. It should be noted that the following examples and features in the examples can be combined with each other without conflict.

[0027] It should be noted that the diagrams provided in the following examples only illustrate the basic concepts of the present application in a schematic manner, and only the components related to the present application are shown in the diagrams, not the number, shape and size of the components when actually implemented. The shapes, numbers and proportions of the components when actually implemented can be arbitrarily changed, and the layout pattern of the components can be more complex.

[0028] The dual power automatic switching control device based on infrared thermal imaging technology provided in the following examples of the present application solves the technical problems of device failure, shutdown due to power overheating, and excessive device operation and maintenance time in the existing device component thermal energy state monitoring technology.

[0029] The dual power automatic switching control device based on infrared thermal imaging technology provided in the embodiments of the present application collects real-time temperature data of the power supply through an infrared thermal imaging camera unit, completes power operation state monitoring through temperature calibration and infrared thermal spectrum image processing, outputs a power heating abnormality alarm in combination with internal data analysis, sends the alarm to a programmable control system through a communication unit, controls the programmable control system to switch the heating power supply to the standby power supply to supply power to the load unit, outputs the alarm to a user interface module by the programmable control system, generates a fault report, automatically corrects the temperature warning unit in combination with the power temperature curve, and forms a temperature monitoring database. The power supply operation stability and overall equipment operation rate are improved, and the artificial maintenance cost is reduced. At the same time, the structure of the device is simple, the maintenance cost is saved, and the service life of the device is improved.

[0030] The principle of the dual power automatic switching control device based on infrared thermal imaging technology of the present embodiment will be described in detail below with reference to the accompanying drawings.

[0031] Please refer to Figure 1 , which shows the overall architecture schematic diagram of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the present application. As Figure 1As shown, the dual power automatic switching control device based on infrared thermal imaging technology 1 comprises a data acquisition module 100, a programmable control module 200, a power supply module 300 and a load unit 400. The output end of the data acquisition module 100 is connected with the input end of the programmable control module 200; the output end of the programmable control module 200 is connected with the input end of the power supply module 300; and the output end of the power supply module 300 is connected with the input end of the load unit 400. Through the installation of infrared thermal imaging equipment to collect temperature, and the real-time data processing and analysis by atlas technology, combined with the calculation of whether the thermal energy index exceeds the early warning value as the basis, the programmable control module 200 is sent, and after reading the early warning signal, the in-use power supply is controlled to be cut off, and the standby power supply is converted. The alarm information is displayed through the human-computer interface, reminding the maintenance personnel to overhaul the overheated equipment, and the historical data and analysis data form a maintenance report, which is automatically archived. Through the implementation of equipment performance monitoring and maintenance, the equipment failure rate is reduced, the manual maintenance cost is reduced, and the equipment operation rate is improved.

[0032] Please refer to Figures 2 to 5 , respectively, the control structure schematic diagram of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the present application, the programmable control module in the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the present application, the power supply module in the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the present application, the user interface module schematic diagram of the dual power automatic switching control device based on infrared thermal imaging technology described in the embodiments of the present application, the probe assembly structure schematic diagram of the probe type temperature measuring device described in the embodiments of the present application, the probe assembly and spring mechanism combination cross-sectional schematic diagram in the probe type temperature measuring device described in the embodiments of the present application, the cross-sectional schematic diagram of the probe type temperature measuring device after assembly in an embodiment, and the side view of the probe type temperature measuring device.

[0033] In an embodiment, the data acquisition module 100, the programmable control module 200 and the power supply module 300 are all installed in the switch cabinet; and the user interface module 500 is a separate display cabinet. The above modules need to be connected through communication cables.

[0034] In an embodiment, the data acquisition module 100 comprises an infrared imaging unit 110, a data analysis processing unit 120, an abnormal alarm unit 130 and a communication transmission unit 140.

[0035] The input end of the infrared imaging unit 110 is connected with the temperature detection device of the target power module, the output end of the infrared imaging unit 110 is connected with the data analysis processing unit 120; the output end of the data analysis processing unit is connected with the input end of the abnormal alarm unit 130; the output end of the abnormal alarm unit 130 is connected with the communication transmission unit 140; the communication transmission unit 140 is connected with the input end of the programmable control module 200.

[0036] The infrared imaging unit 110 adopts an infrared thermal imaging camera probe for real-time heat monitoring of the power module in the target switch cabinet.

[0037] In this embodiment, preferably, the infrared imaging unit 110 selects an infrared thermal imaging camera.

[0038] Specifically, the main power module U1 and the standby power module U2 in the switch cabinet are monitored in real time by the infrared thermal imaging camera, and when the heat of the collected U1 main power module or U2 standby power module exceeds the set early warning value, the abnormality is confirmed after the system internal temperature, thermal spectrum analysis processing calibration data, and the alarm is sent to the programmable controller PLC1 through the communication transmission unit 140.

[0039] That is, the main power module U1 and the standby power module U2 in the switch cabinet are first monitored in real time by the infrared thermal imaging camera; then the data analysis processing unit 120 receives the real-time monitoring data transmitted by the infrared thermal imaging camera, analyzes and processes the monitoring data, and judges whether the data exceeds the set alarm value; then the abnormal alarm unit 130 confirms whether there is an abnormal situation after the system internal temperature, thermal spectrum analysis processing calibration data, if there is an abnormal situation, the abnormal situation is sent to the programmable controller PLC1 through the communication transmission unit 140 for subsequent processing.

[0040] Please continue to refer to Figure 3 and Figure 4 .

[0041] In an embodiment, the programmable control module 200 includes a programmable controller 210, an input unit 220, and an output control unit 230; the input end of the input unit 220 is connected with the output end of the data acquisition module 100; the output control unit 230 is connected with the input end of the power supply module 300.

[0042] Specifically, the programmable controller 210 adopts PLC; the input unit 220 includes several input points, which are connected with the output end of the data acquisition module 100; the output control unit 230 includes several output points, which are used to control the device state of the load unit 400. Wherein, each input point corresponds to an output point.

[0043] For example, the programmable control module 200 includes: programmable controller 210, input unit 220 and output control unit 230. Wherein, there are programmable controller PLC1, input unit 220 (I0.0-I0.5) and output control unit 230 (Q0.0-Q0.5).

[0044] Specifically, the programmable controller PLC1 as the control center of the whole system, is used to receive the input detected power overheating signal and control the output signal.

[0045] The input unit 220 includes multiple input points (such as: I0.0, I0.1, I0.2, I0.3, I0.4, I0.5, etc.), which are used to receive external signals, such as main power overheating signal U1 and standby power overheating signal U2.

[0046] The output control unit 230 includes multiple output points (such as: Q0.0, Q0.1, Q0.2, Q0.3, Q0.4, Q0.5, etc.), which are used to control the state of external devices. For example, Q0.0 and Q0.1 may be used to control the coil of KM1 and KM2 to be powered, thereby controlling the conduction of the main power supply and the standby power supply.

[0047] Each output point (such as: Q0.0, Q0.1, Q0.2, Q0.3, Q0.4, Q0.5) corresponds to an output signal, which is used to drive external devices or indicator lights, etc.

[0048] That is, PLC1 controls the coil of KM1 and KM2 to be powered or de-energized through its internal logic, thereby controlling the conduction or disconnection of the main power supply module and the standby power supply module. The signals received by the input unit 220 (such as: main power overheating signal U1 and standby power overheating signal U2) are sent to PLC1 for processing, and PLC1 decides how to control the output control unit 230 according to the state of these signals. The output control unit 230 outputs corresponding electrical signals (such as: Q10.2, Q10.3, Q10.4, Q10.5) to drive external devices or indicator lights, etc. according to the control signal of PLC1. Therefore, the elements in the figure are related to each other through electrical connection and the control logic of PLC1, and together realize a power management or control system based on programmable controller 210.

[0049] In an embodiment, the power supply module 300 comprises a main circuit breaker 310, a first contactor 320, a second contactor 330, a main power supply module 340 and a backup power supply module 350.

[0050] The input end of the main circuit breaker 310 is connected with the output end of the programmable control module 200; the output end of the main circuit breaker 310 is connected with the first end of the first contactor 320 and the first end of the second contactor 330 respectively; the second end of the first contactor 320 is connected with the main power supply module 340; the second end of the second contactor 330 is connected with the backup power supply module 350.

[0051] The input end of the main power supply module 340 is connected with the output end of the output control unit 230; the input end of the backup power supply module 350 is connected with the output end of the output control unit 230; the output end of the main power supply module 340 and the output end of the backup power supply module 350 are both connected with the load unit 400.

[0052] Specifically, the first contactor 320 and the second contactor 330 are set as normally open contacts. The on-off of the first contactor 320 and the second contactor 330 is controlled by the programmable control module 200.

[0053] The first contactor 320 is used for controlling the conduction of the main power supply module 340; when the coil of the first contactor KM1 is powered and attracted, the main power supply module 340 is conducted.

[0054] The second contactor 330 is used for controlling the conduction of the backup power supply module 350; when the coil of the second contactor KM2 is powered and attracted, the backup power supply module 350 is conducted.

[0055] That is, the power supply module 300 in the embodiment comprises a main circuit breaker QF1, a first contactor KM1 normally open contact, a second contactor KM2 normally open contact, a main power supply module U1 and a backup power supply module U2. The on-off of the first contactor KM1 contact and the second contactor KM2 contact is controlled by the programmable control module 200.

[0056] As can be seen from the above, the input point I0.0 receives the U1 main power overheating signal sent by the data acquisition system, the output point Q0.0 stops outputting the signal, the first contactor KM1 coil is powered off, the KM1 contact is disconnected, the main power module U1 is powered off, the load unit 400 stops running, the output point Q0.1 outputs the signal, the second contactor KM2 coil is powered on, the second contactor KM2 contact is attracted, the standby power module U2 is powered on, and the load unit 400 starts running. The input point I0.1 receives the U2 standby power overheating signal sent by the data acquisition system, the output point Q0.1 stops outputting the signal, the second contactor KM2 coil is powered off, the second contactor KM2 contact is disconnected, the standby power module U2 is powered off, the load unit 400 stops running, the output point Q0.0 outputs the signal, the first contactor KM1 coil is powered on, the first contactor KM1 contact is attracted, the main power module U1 is powered on, and the load unit 400 starts running.

[0057] It should be noted that U1 and U2 are both three-phase stabilized power supplies; and LT1 is a load unit (such as a lamp).

[0058] In an embodiment, the load unit 400 comprises: an electrical equipment 410. The electrical equipment 410 is connected to the output end of the power supply module 300.

[0059] Specifically, the embodiment can preferably use a lamp as the electrical equipment 410. The operation of the electrical equipment 410 is controlled by the programmable control module and the power supply module 300.

[0060] Please continue to refer to Figure 5 .

[0061] The device further comprises: a user interface module 500. The input end of the user interface module 500 is connected to the output end of the programmable control module, for receiving the output signal of the programmable control module, and automatically correcting the temperature in combination with the power supply temperature curve to generate a temperature monitoring database.

[0062] Further, the user interface module 500 comprises: a touch screen unit 510, an audible and visual alarm unit 520, and a function button unit 530. The touch screen unit 510, the audible and visual alarm unit 520, and the function button unit 530 are all arranged on a user interface cabinet 600.

[0063] Specifically, the user interface module 500 includes: a user interface cabinet 600, a touch screen unit 510, an audible and visual alarm unit 520, and a function button unit 530. The user interface cabinet 600 is used to install the touch screen unit 510, the audible and visual alarm unit 520, and the function button unit 530. The touch screen unit 510 can generate a display fault report, a device heating trend chart, and can automatically correct or manually set a temperature warning value. The audible and visual alarm unit 520 can make a fault alarm reminder when the power supply is overheating. The function button unit 530 can be additionally provided with manual buttons, such as an emergency stop button, a start button, etc.

[0064] From the above, the dual power automatic switching control device based on infrared thermal imaging technology 1 of the application is used for real-time monitoring of the heating state of the equipment, automatically switches the power supply unit when an abnormality occurs, ensures the real-time operation of the equipment, reduces the cost of manual inspection and maintenance, and improves the equipment utilization rate and the operation rate.

[0065] In summary, the dual power automatic switching control device based on infrared thermal imaging technology provided by the application can collect real-time temperature data of the power supply through an infrared thermal imaging probe, complete power supply operation state monitoring through temperature calibration and infrared thermal spectrum image processing, output a power supply overheating abnormality alarm in combination with internal data analysis, send the alarm to a programmable control module through a communication transmission unit, control the programmable control module to switch the heating power supply to the standby power supply to supply power to the load unit, output the alarm to the user interface module by the programmable control module, generate a fault report, automatically correct the temperature warning unit in combination with the power supply temperature curve, and form a temperature monitoring database. At the same time, the power supply operation stability and the overall equipment operation rate are improved, and the cost of manual maintenance is reduced. In addition, the dual power automatic switching control device based on infrared thermal imaging technology has a simple structure, a small size, strong universality, a wide range of applications, and high practical value.

[0066] The above embodiments only illustrate the principles and effects of the application, and are not used to limit the application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical thought of the application should be covered by the claims of the application.

Claims

1. A dual-power automatic switching control device based on infrared thermal imaging technology, characterized in that, The dual-power automatic switching control device based on infrared thermal imaging technology includes: a data acquisition module, a programmable control module, a power supply module, a load unit, and a user interface module; The output of the data acquisition module is connected to the input of the programmable control module. The data acquisition module includes an infrared imaging unit, a data analysis and processing unit, an anomaly alarm unit, and a communication transmission unit. The infrared imaging unit uses an infrared thermal imaging camera probe for real-time heat monitoring of the power modules within the target switchgear. The input of the infrared imaging unit is connected to a temperature detection device for the target power modules, and the output of the infrared imaging unit is connected to the data analysis and processing unit. The output of the data analysis and processing unit is connected to the input of the anomaly alarm unit. The output of the anomaly alarm unit is connected to the communication transmission unit. The communication transmission unit is connected to the input of the programmable control module. The output terminal of the programmable control module is connected to the input terminal of the power supply module; wherein, the programmable control module includes: a programmable controller, an input unit, and an output control unit; the input terminal of the input unit is connected to the output terminal of the data acquisition module; the output control unit is connected to the input terminal of the power supply module; The output terminal of the power supply module is connected to the input terminal of the load unit; wherein, the power supply module includes: a main power supply module, a backup power supply module, a main circuit breaker, a first contactor, and a second contactor; the input terminal of the main power supply module is connected to the output terminal of the output control unit; the input terminal of the backup power supply module is connected to the output terminal of the output control unit; the output terminals of both the main power supply module and the backup power supply module are connected to the load unit; the input terminal of the main circuit breaker is connected to the output terminal of the programmable control module; the output terminal of the main circuit breaker is connected to the first terminal of the first contactor and the first terminal of the second contactor respectively; the second terminal of the first contactor is connected to the main power supply module; the second terminal of the second contactor is connected to the backup power supply module; The input terminal of the user interface module is connected to the output terminal of the programmable control module, and is used to receive the output signal of the programmable control module, and automatically correct the temperature in combination with the power supply temperature curve to generate a temperature monitoring database.

2. The dual-power automatic switching control device based on infrared thermal imaging technology according to claim 1, characterized in that, The programmable controller is a PLC; The input unit includes several input points, which are connected to the output terminal of the data acquisition module; The output control unit includes several output points, which are used to control the device status of the load unit.

3. The dual-power automatic switching control device based on infrared thermal imaging technology according to claim 2, characterized in that, Each input point corresponds to one output point.

4. The dual-power automatic switching control device based on infrared thermal imaging technology according to claim 1, characterized in that, The first contactor and the second contactor are configured as normally open contacts; The on / off state of the first contactor and the second contactor is controlled by the programmable control module.

5. The dual-power automatic switching control device based on infrared thermal imaging technology according to claim 1, characterized in that, The load unit includes: electrical equipment; The electrical equipment is connected to the output terminal of the power supply module.

6. The dual-power automatic switching control device based on infrared thermal imaging technology according to claim 1, characterized in that, The user interface module includes: a touch screen unit, an audible and visual alarm unit, and a function button unit; The touch screen unit, the audible and visual alarm unit, and the function button unit are all located on the user interface cabinet.

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