CN112729557A - Wireless temperature measurement system and method applied to switch cabinet - Google Patents
Wireless temperature measurement system and method applied to switch cabinet Download PDFInfo
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 151
- 238000003331 infrared imaging Methods 0.000 claims abstract description 66
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004861 thermometry Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/025—Interfacing a pyrometer to an external device or network; User interface
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The application relates to a wireless temperature measurement system applied to a switch cabinet, which comprises a movable end, a fixed end and an alarm end; the fixed end comprises a motor, a first processing unit, a first network unit and a first power supply unit; the mobile terminal comprises a driving unit, an infrared image acquisition unit, a second processing unit, a second network unit and a second power supply unit. The application has the following effects: this application utilizes drive unit to pass through every cubical switchboard dead ahead in proper order, and infrared image acquisition unit acquires the infrared imaging of cubical switchboard, obtains the temperature field of cubical switchboard to calculate the temperature that obtains the cubical switchboard through temperature field distribution, calculate through the mode of wireless acquisition cubical switchboard temperature and obtain the cubical switchboard temperature, changed among the correlation technique because of the sensor damages the defect that can't detect the cubical switchboard temperature, improve the monitoring effect to the cubical switchboard temperature.
Description
Technical Field
The application relates to the technical field of switch cabinets, in particular to a wireless temperature measurement system and method applied to a switch cabinet.
Background
In an electric power system, switch cabinets and ring main units of a power plant and a transformer substation are important equipment for ensuring stable and reliable power supply. The existing electric equipment has higher and higher requirements on the reliability of power supply, and the working reliability of the high-voltage switch cabinet is closely related to the temperature rise of a contact of the isolating switch in the states of high voltage and large current. In the operation process of a power grid, the contact condition can be deteriorated due to mechanical vibration, contact ablation and the like, the contact resistance is increased, the temperature of a contact point is increased, the oxidation of the contact surface is intensified, the arc discharge point is generated at the position of local fusion welding or contact loosening, and finally, the damage of electrical equipment, even power failure or fire disasters and other major accidents are caused. On one hand, the accident of the contact overheating fault comes from the quality problem of the high-voltage disconnecting switch, and the more important reason is that an effective monitoring means aiming at the temperature rise of the contact of the disconnecting switch is lacked at present.
In the related art, because of the high-voltage structure in the high-voltage switch cabinet, manual inspection and temperature measurement cannot be performed, and in order to detect the temperature condition of the high-voltage switch cabinet, a temperature sensor is often installed inside the high-voltage switch cabinet to monitor the temperature condition of the high-voltage switch cabinet.
In view of the above-mentioned related art, the inventor believes that, due to the high temperature in the high-voltage switch cabinet, the sensor arranged inside the switch cabinet is easy to age and damage in a high-temperature environment for a long time, and as an additional detection module of the switch cabinet, the switch cabinet cannot be closed due to the replacement of the sensor when the temperature sensor is damaged, and therefore, the temperature condition of the switch cabinet cannot be detected when the sensor is damaged.
Disclosure of Invention
In order to effectively monitor the temperature of the switch cabinet, the application provides a wireless temperature measurement system and method applied to the switch cabinet.
On the one hand, the wireless temperature measurement system applied to the switch cabinet adopts the following technical scheme:
a wireless temperature measurement system applied to a switch cabinet comprises a movable end, a fixed end and an alarm end;
the fixed end comprises a motor, a first processing unit, a first network unit and a first power supply unit; the motor is arranged in the axial direction of each switch cabinet door and is used for driving the switch cabinet door to be opened or closed;
the first processing unit is used for receiving the instruction of the mobile terminal through the first network unit and controlling the motor to drive the switch cabinet door to be opened or closed according to the instruction of the mobile terminal;
the first network unit is used for interconnecting the mobile terminal and the fixed terminal network;
the first power supply unit is used for supplying power to the motor, the first processing unit and the first network unit;
the mobile terminal comprises a driving unit, an infrared image acquisition unit, a second processing unit, a second network unit and a second power supply unit;
the driving unit is used for moving on a preset line according to the instruction of the first processing unit;
the infrared image acquisition unit is arranged on the driving unit, connected with the second processing unit, and used for acquiring a first infrared imaging image from a cabinet door of the switch cabinet, acquiring a second infrared imaging image from the interior of the switch cabinet and sending the second infrared imaging image to the second processing unit;
the second processing unit is arranged on the driving unit and used for acquiring the first infrared imaging image and calculating a first highest temperature of a cabinet door of the switch cabinet according to a temperature field of the first infrared imaging image; under the condition that the first maximum temperature is higher than a first preset value, the second processing unit is further used for sending an instruction to the first processing unit through the second network unit, and the first processing unit controls the motor to open the cabinet door of the switch cabinet;
the second processing unit controls the infrared image acquisition unit to acquire a second infrared imaging image in the switch cabinet, and calculates a second highest temperature in the switch cabinet according to a temperature field of the second infrared imaging image; under the condition that the second highest temperature is higher than a second preset value, the motor keeps driving a cabinet door of the switch cabinet to be in an open state, the second processing unit sends an instruction to the alarm end, and the alarm end gives an alarm; the second processing unit moves continuously on a preset line to the driving unit and detects the temperature of the next switch cabinet;
under the condition that the second highest temperature is lower than the second preset value, the first processing unit sends an instruction to the first processing unit, and the first processing unit controls the motor to close the switch cabinet door;
the second power supply unit is used for supplying power to the driving unit, the infrared image acquisition unit, the second processing unit and the second network unit;
and the alarm end is used for receiving the instruction of the second processing unit and giving an alarm.
By adopting the technical scheme, the driving unit sequentially passes through the right front part of each switch cabinet, the infrared image acquisition unit acquires the infrared images of the switch cabinets to obtain the temperature fields of the switch cabinets, the temperature of the switch cabinets is obtained through temperature field distribution calculation, and the switch cabinet temperature is obtained through calculation in a mode of wirelessly acquiring the switch cabinet temperature, so that the defect that the switch cabinet temperature cannot be detected due to damage of a sensor in the related technology is overcome, and the monitoring effect on the switch cabinet temperature is improved;
meanwhile, the first highest temperature of the first infrared imaging image temperature field is obtained by the switch cabinet door for the first time and is compared with the first preset value, and under the condition that the first highest temperature is lower than the first preset value, the possibility of abnormal high of the internal temperature generally does not occur, and the switch cabinet door is directly turned to the next switch cabinet for temperature detection;
in order to remove heat, the heat can be uploaded to the current switch cabinet from the next switch cabinet, when the first highest temperature is higher than the first preset value, the second processing unit sends an instruction to the first processing unit, the motor drives the switch cabinet door to open, the second infrared imaging image is obtained inside the switch cabinet again, the second highest temperature of the second infrared imaging image temperature field is compared with the second preset value, and when the second highest temperature inside the switch cabinet is higher than the second preset value, the alarm end gives an alarm.
Optionally, the first network unit and the second network unit are both GPRS modules, and the alarm terminal is connected to the second processing unit through mobile data.
By adopting the technical scheme, the first network unit and the second network unit are both GPRS modules, so that the data transmission rate is increased, and the alarm response efficiency is improved.
Optionally, the driving unit is a mobile robot, the mobile robot is controlled by the second processing unit, the second processing unit plans a line as a preset line, and the mobile robot sequentially passes through each switch cabinet according to the preset line.
Through adopting above-mentioned technical scheme, replace the manual work through mobile robot and carry out infrared image to the cubical switchboard in proper order and acquire, improved the holistic degree of automation of system when improving operating personnel safety.
Optionally, the system further comprises a storage unit for storing the first maximum temperature and the second maximum temperature.
By adopting the technical scheme, the first highest temperature and the second highest temperature of each switch cabinet are stored during each detection, and are used for carrying out independent temperature data analysis on each switch cabinet subsequently, so that the performance of each switch cabinet is known.
Optionally, the second processing unit is a PC.
By adopting the technical scheme, the PC sends the instruction to each unit, and meanwhile, the PC has strong image analysis capability, and carries out analysis and calculation on the temperature fields of the acquired first infrared imaging image and the acquired second infrared imaging image, so that the accuracy of calculating the first highest temperature and the second highest temperature is improved.
On the other hand, the wireless temperature measurement method applied to the switch cabinet adopts the following technical scheme:
a temperature measurement method of the system comprises the following steps:
numbering each switch cabinet and a motor arranged on the switch cabinet, planning a preset pause point position for a driving unit, wherein each pause point position is positioned right in front of each switch cabinet and forms a preset line;
when the driving unit is located at the pause point position, the infrared image acquisition unit shoots a first infrared imaging image to the cabinet door of the switch cabinet, the second processing unit acquires the first infrared imaging image, and the first highest temperature of the cabinet door of the switch cabinet is calculated according to the temperature field of the first infrared imaging image;
judging the temperature of the switch cabinet for the first time:
if the first maximum temperature is lower than a first preset value, the second processing unit sends an instruction to the driving unit, and the driving unit detects the temperature of the switch cabinet from the next pause point along the preset route;
if the first maximum temperature is higher than a first preset value, the second processing unit sends an instruction to the first processing unit through a second network unit, and the first processing unit controls a motor arranged on the switch cabinet corresponding to the current pause point position to open a switch cabinet door;
the second processing unit sends an instruction to the infrared image acquisition unit, the infrared image acquisition unit shoots a second infrared imaging image to the interior of the switch cabinet, and the second processing unit acquires the second infrared imaging image and calculates a second highest temperature of the switch cabinet door according to a temperature field of the second infrared imaging image;
and (3) judging the temperature of the switch cabinet for the second time:
if the second highest temperature is lower than a second preset value, the second processing unit sends an instruction to the first processing unit, and the first processing unit controls a motor on the corresponding switch cabinet to drive the switch cabinet door to be closed; the second processing unit sends an instruction to the driving unit, and the driving unit detects the temperature of the switch cabinet from the preset route to the next pause point;
and if the second highest temperature is higher than a second preset value, the second processing unit sends an instruction to the alarm end, and the alarm end generates an alarm.
By adopting the technical scheme, the driving unit sequentially passes through the right front part of each switch cabinet, the infrared image acquisition unit acquires the infrared images of the switch cabinets to obtain the temperature fields of the switch cabinets, the temperature of the switch cabinets is obtained through temperature field distribution calculation, and the switch cabinet temperature is obtained through calculation in a mode of wirelessly acquiring the switch cabinet temperature, so that the defect that the switch cabinet temperature cannot be detected due to damage of a sensor in the related technology is overcome, and the monitoring effect on the switch cabinet temperature is improved;
meanwhile, the first highest temperature of the first infrared imaging image temperature field is obtained by the switch cabinet door for the first time and is compared with the first preset value, and under the condition that the first highest temperature is lower than the first preset value, the possibility of abnormal high of the internal temperature generally does not occur, and the switch cabinet door is directly turned to the next switch cabinet for temperature detection;
in order to remove heat possibly from a next switch cabinet to a current switch cabinet, when the first highest temperature is higher than a first preset value, sending an instruction to the first processing unit through the second processing unit, driving a switch cabinet door to open by a motor, acquiring a second infrared imaging image from the interior of the switch cabinet again, comparing the second highest temperature of a second infrared imaging image temperature field with a second preset value, and when the second highest temperature in the interior is higher than the second preset value, giving an alarm by an alarm end; the accuracy of detecting the temperature of the switch cabinet is improved by acquiring the infrared imaging image of the switch cabinet twice.
Optionally, the distance between the pause point and the switch cabinet is 30-50 cm.
By adopting the technical scheme, the distance between the pause point position of the pause of the driving unit and the switch cabinet is set to be 30-50cm, the whole switch cabinet door can be obtained, and the analysis accuracy of the temperature field of the switch cabinet door is improved.
Optionally, when the driving unit is located at a stall point, the driving unit stops moving and waits for an instruction of the second processing unit to continue to reach a next stall point.
By adopting the technical scheme, the driving unit responds to the second processing unit, a certain time is needed for shooting the infrared imaging image on the switch cabinet, and no instruction driving unit of the second processing unit moves after the infrared imaging image reaches the pause point, so that the interference of acquiring the infrared imaging image on the switch cabinet is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
according to the method, the driving units sequentially pass through the positions right in front of the switch cabinets, the infrared image acquisition units acquire the infrared images of the switch cabinets to obtain the temperature fields of the switch cabinets, the temperature of the switch cabinets is obtained through temperature field distribution calculation, and the temperature of the switch cabinets is obtained through calculation in a mode of wirelessly acquiring the temperature of the switch cabinets, so that the defect that the temperature of the switch cabinets cannot be detected due to damage of sensors in the related technology is overcome, and the monitoring effect on the temperature of the switch cabinets is improved;
meanwhile, the first highest temperature of the first infrared imaging image temperature field is obtained by the switch cabinet door for the first time and is compared with the first preset value, and under the condition that the first highest temperature is lower than the first preset value, the possibility of abnormal high of the internal temperature generally does not occur, and the switch cabinet door is directly turned to the next switch cabinet for temperature detection;
in order to remove heat possibly from a next switch cabinet to a current switch cabinet, when the first highest temperature is higher than a first preset value, sending an instruction to the first processing unit through the second processing unit, driving a switch cabinet door to open by a motor, acquiring a second infrared imaging image from the interior of the switch cabinet again, comparing the second highest temperature of a second infrared imaging image temperature field with a second preset value, and when the second highest temperature in the interior is higher than the second preset value, giving an alarm by an alarm end; the accuracy of detecting the temperature of the switch cabinet is improved by acquiring the infrared imaging image of the switch cabinet twice.
Drawings
FIG. 1 is a schematic diagram of the elements of the thermometry system described herein.
FIG. 2 is a schematic diagram of a mobile end, a fixed end and an alarm end of the temperature measurement system of the present application.
FIG. 3 is a schematic diagram of a predetermined route in the temperature measurement method of the present application.
FIG. 4 is a flow chart of a thermometry method as described herein.
Description of reference numerals: 100. a fixed end; 101. a motor; 102. a first processing unit; 200. a mobile terminal; 201. a drive unit; 202. an infrared image acquisition unit; 300. an alarm terminal; 400. presetting a circuit; 401. the stall point is located.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example 1:
the embodiment of the application discloses a wireless temperature measurement system applied to a switch cabinet.
As shown in fig. 1 and 2, includes a mobile end 200, a fixed end 100 and an alarm end 300.
The fixed end 100 includes a motor 101, a first processing unit 102, a first network unit, and a first power supply unit.
Every cubical switchboard includes the cabinet body and cabinet door, and the cabinet door hinges on the cabinet body, and motor 101 sets up in the axial of cabinet door, and rotation through motor 101 drives the cabinet door and rotates to realize the cubical switchboard cabinet door and open or close.
The motors 101 are arranged in the axial direction of each switch cabinet door, that is, the number of the motors 101 is the same as that of the switch cabinets, in this embodiment, the motors 101 are servo motors 101, and each motor 101 is controlled by the first processing unit 102.
The number of the first processing units 102 is only one, the first processing units 102 are MCUs, the first processing units are arranged at the tops of the switch cabinets, the MCUs are connected with the motors 101 on each switch cabinet through different pins, and under the instruction of the MCUs to the motors 101, one motor 101 drives the cabinet door to be opened or closed.
The first processing unit 102 is loaded with a first network unit, which is a GPRS data module in this embodiment, and the GPRS data module is an integrated module for networking, and is expanded in detail in this embodiment, and the first processing unit 102 may receive an instruction from the mobile terminal 200 through the GPRS data module; of course, the first network module may also adopt other networking modules, such as a WiFi module.
The first processing unit 102 receives the instruction from the mobile terminal 200, and controls the motor 101 to drive the opening or closing of the cabinet door of the switch cabinet according to the instruction from the mobile terminal 200.
The first power supply unit is a storage battery, the storage battery is respectively connected with the motor 101 and the MCU, the first power supply unit is used for supplying power to the motor 101 and the MCU, and the first network unit is directly connected to the MCU and can work after being electrified by the MCU; of course, the mains socket can be powered after voltage reduction.
The mobile terminal 200 includes a driving unit 201, an infrared image acquiring unit 202, a second processing unit, a second network unit, and a second power supply unit.
The driving unit 201 is a mobile robot, and the mobile robot can move or stop on the preset line 400 under the control instruction of the second processing unit, which is a conventional technical means in the related art, and the receiving and driving modes of the mobile robot are not expanded in this embodiment.
The second processing unit plans the mobile robot to set a preset circuit 400, the mobile robot sequentially passes through the switch cabinet along the preset circuit 400, and stops when passing through the right front of the switch cabinet, so that temperature detection is carried out on the switch cabinet.
The infrared image obtaining unit 202 is disposed on the driving unit 201, and is configured to obtain an infrared imaging image from a cabinet door of the switch cabinet or from the inside of the switch cabinet.
Under the control instruction of the second processing unit, the infrared imager acquires a first infrared imaging image from the cabinet door of the switch cabinet; acquiring a second infrared imaging image from the interior of the switch cabinet; the infrared imager transmits the photographed infrared image to the second processing unit.
A second processing unit, which in this embodiment is a PC, is also disposed on the driving unit 201. The second processing unit is connected with the driving unit 201 and the infrared image acquisition unit 202, and sends an instruction to the driving unit 201 to enable the driving unit 201 to move according to the preset line 400; the second unit is connected to the infrared image acquisition unit 202 and acquires the first infrared imaging image and the second infrared imaging image captured by the infrared image acquisition unit 202.
Under the drive of the 201 bits of the driving unit, when the infrared image acquisition unit 202 is located right in front of the switch cabinet, the second processing unit sends an instruction to the infrared image acquisition unit 202, the infrared image acquisition unit 202 shoots an infrared image of a cabinet door of the switch cabinet to obtain a first infrared imaging image, the second processing unit performs image analysis on a temperature field in the second infrared imaging image, a highest temperature point in the first infrared imaging image is obtained through calculation and is a first highest temperature, a temperature value is calculated according to the temperature field and is a conventional means in the related field, and a temperature calculation process of the temperature field for infrared imaging is not further developed in the embodiment.
A first preset value and a second preset value are set in the second processing unit through a program, the first preset value is used as the highest limit temperature standard of a cabinet door of the switch cabinet, and when the temperature of the cabinet door is below the first preset value, the second processing unit judges that the current temperature of the switch cabinet is normal; when the cabinet door temperature is above the first preset value, the second processing unit judges that the current temperature of the switch cabinet is abnormal, the cabinet door temperature is too high, two possibilities exist, one is that the temperature inside the switch cabinet is too high and the temperature of the cabinet door rises to be abnormal, the other is that the temperature of the cabinet door is abnormally high due to the fact that two adjacent switch cabinets are mutually abutted and contacted, and the temperature of the cabinet door of the current switch cabinet is caused to be abnormal high through heat conduction from the heat on the adjacent switch cabinets.
When the first maximum temperature is lower than the first preset value, the second processing unit determines that the temperature of the switch cabinet is normal, and at this time, the second processing unit sends an instruction to the driving unit 201, and the driving unit 201 performs temperature detection on the next switch cabinet along a preset line 400.
And under the condition that the first highest temperature is higher than the first preset value, the second processing unit sends an instruction to the first processing unit 102 through the second network unit, and the first processing unit 102 responds and then controls the motor 101 arranged on the current switch cabinet to drive, so that the switch cabinet door is opened.
The second processing unit sends an instruction to the infrared image acquisition unit 202, the infrared image acquisition unit 202 shoots an infrared image to the inside of the switch cabinet to obtain a second infrared image, and similarly, the second processing unit calculates a second highest temperature value for the second infrared image.
The second processing unit judges that the current temperature of the switch cabinet is abnormally high according to the second highest temperature, when the second highest temperature value is higher than a second preset value, the second processing unit sends an instruction to the alarm end 300, and the alarm end 300 gives an alarm; sending an instruction to the driving unit 201, detecting the temperature of the next switch cabinet by the driving unit 201 along the preset line 400, and keeping the cabinet door open;
when the second highest temperature is lower than a second preset value, the second processing unit judges that the current temperature of the switch cabinet is normal, and sends an instruction to the first processing unit 102, and the first processing unit 102 controls the motor 101 to drive the switch cabinet door to close; at the same time, the second processing unit sends an instruction to the driving unit 201, and the driving unit 201 performs temperature detection to the next switch cabinet along the preset line 400.
The alarm terminal 300 is used for receiving an instruction of the second processing unit and giving an alarm when the temperature of the switch cabinet is abnormally high, in the embodiment, the alarm terminal 300 is a mobile phone APP, and the alarm terminal can receive the instruction of the second processing unit at any time and any place through mobile phone data networking; of course, other alarm modes can be used, such as an audible and visual alarm fixedly installed in the monitoring room.
The implementation principle of the wireless temperature measurement system applied to the switch cabinet in the embodiment of the application is as follows:
the driving unit 201 drives the infrared image obtaining unit 202 to move along a preset route and sequentially pass through the right front of the switch cabinet, the infrared image obtaining unit 202 firstly obtains a first infrared imaging image for a cabinet door of the switch cabinet, the second processing unit calculates a first highest temperature for a temperature field of the first infrared imaging image, namely the highest temperature of the cabinet door, the second processing unit sends an instruction to the first processing unit 102 under the condition that the first highest temperature is larger than the first preset value, the first processing unit 102 controls the motor 101 on the corresponding switch cabinet to drive the cabinet door to be opened, the infrared imaging image obtained from the interior of the switch cabinet is obtained again, a second infrared imaging image is obtained, similarly, the second processing unit calculates a second highest temperature for the temperature field of the second infrared imaging image, namely the highest temperature in the interior of the switch cabinet, under the condition that the second highest temperature is larger than the second preset value, the second processing unit sends an instruction to the alarm terminal 300, and the alarm terminal 300 responds.
Example 2:
the embodiment of the application discloses a wireless temperature measurement method applied to a switch cabinet.
Applied to the system described in example 1.
As shown in fig. 3 and 4, S100 firstly numbers each switch cabinet and the motors 101 on the switch cabinets; and a stopping point position 401 is arranged at the position 30-50cm in front of each switch cabinet.
The number of each switch cabinet, the number on each switch cabinet and the pause point 401 directly in front of each switch cabinet correspond respectively.
As shown in fig. 3, S200 sets a preset line 400 for the driving unit 201: through the control of the second processing unit on the driving unit 201, as in embodiment 1, the driving unit 201 is a mobile robot, and the moving route of the mobile robot is set as the conventional technical means in the related art, which is not described in detail in this embodiment;
the second processing unit controls the driving unit 201 to sequentially reach the stall point 401, and the driving unit 201 stops moving and waits for the instruction of the second processing unit to continue to reach the next stall point 401; the passing pause points 401 are connected to form a preset route for the driving unit 201 to move.
During the movement of the drive unit 201:
s300, a first preset value and a second preset value are set in a second processing unit through a program, the first preset value is used as the highest limit temperature standard of a cabinet door of the switch cabinet, and when the temperature of the cabinet door is below the first preset value, the second processing unit judges that the current temperature of the switch cabinet is normal; when the temperature of the cabinet door is higher than the first preset value, the second processing unit judges that the temperature of the current switch cabinet is abnormal.
S400, when the driving unit 201 reaches a pause point 401, the second unit sends an instruction to the infrared image acquisition unit 202, the infrared image acquisition unit 202 firstly acquires an infrared image of a cabinet door of the switch cabinet to obtain a first infrared imaging image, the second processing unit sends an instruction to the infrared image acquisition unit 202, and the infrared image acquisition unit 202 shoots the infrared image of the cabinet door of the switch cabinet to obtain a first infrared imaging image (an image only of the part of the cabinet door is intercepted); the second processing unit performs image analysis on the temperature field in the second infrared imaging image, calculates the highest temperature point in the first infrared imaging image as the first highest temperature, and calculates the temperature value according to the temperature field as a conventional means in the related field.
S500, judging the temperature of the switch cabinet for the first time:
if the first maximum temperature is lower than the first preset value, the second processing unit judges that the temperature of the switch cabinet is normal, at this time, the second processing unit sends an instruction to the driving unit 201, and the driving unit 201 performs temperature detection on the next switch cabinet along a preset line 400;
if the first maximum temperature is higher than a first preset value, the second processing unit sends an instruction to the first processing unit 102 through the second network unit, and the first processing unit 102 controls the corresponding motor 101 on the current switch cabinet to drive after responding, so that the switch cabinet door is opened;
s600, the second processing unit sends an instruction to the infrared image acquisition unit 202, the infrared image acquisition unit 202 shoots an infrared image to the inside of the switch cabinet to obtain a second infrared image, and similarly, the second processing unit calculates a second highest temperature value aiming at the second infrared image;
s700, second judgment of the temperature of the switch cabinet:
if the second highest temperature value is higher than a second preset value, the second processing unit judges that the current temperature of the switch cabinet is abnormally high, the second processing unit sends an instruction to the alarm end 300, and the alarm end 300 gives an alarm; sending an instruction to the driving unit 201, detecting the temperature of the next switch cabinet by the driving unit 201 along the preset line 400, and keeping the cabinet door open;
if the second highest temperature is lower than a second preset value, the second processing unit judges that the current temperature of the switch cabinet is normal, and sends an instruction to the first processing unit 102, and the first processing unit 102 controls the motor 101 to drive the switch cabinet door to close; at the same time, the second processing unit sends an instruction to the driving unit 201, and the driving unit 201 performs temperature detection to the next switch cabinet along the preset line 400.
The implementation principle of the wireless temperature measurement method applied to the switch cabinet in the embodiment of the application is as follows:
the driving unit 201 drives the infrared image obtaining unit 202 to move along a preset route and sequentially pass through the right front of the switch cabinet, the infrared image obtaining unit 202 firstly obtains a first infrared imaging image for a cabinet door of the switch cabinet, the second processing unit calculates a first highest temperature for a temperature field of the first infrared imaging image, namely the highest temperature of the cabinet door, the second processing unit sends an instruction to the first processing unit 102 under the condition that the first highest temperature is larger than the first preset value, the first processing unit 102 controls the motor 101 on the corresponding switch cabinet to drive the cabinet door to be opened, the infrared imaging image obtained from the interior of the switch cabinet is obtained again, a second infrared imaging image is obtained, similarly, the second processing unit calculates a second highest temperature for the temperature field of the second infrared imaging image, namely the highest temperature in the interior of the switch cabinet, under the condition that the second highest temperature is larger than the second preset value, the second processing unit sends an instruction to the alarm terminal 300, and the alarm terminal 300 responds.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a be applied to wireless temperature measurement system of cubical switchboard which characterized in that:
comprises a movable end (200), a fixed end (100) and an alarm end (300);
the fixed end (100) comprises a motor (101), a first processing unit (102), a first network unit and a first power supply unit; the motor (101) is arranged in the axial direction of each switch cabinet door and is used for driving the switch cabinet door to be opened or closed;
the first processing unit (102) is used for receiving the instruction of the mobile terminal (200) through the first network unit and controlling the motor (101) to drive the switch cabinet door to be opened or closed according to the instruction of the mobile terminal (200);
the first network unit is used for network interconnection of the mobile terminal (200) and the fixed terminal (100);
the first power supply unit is used for supplying power to the motor (101), the first processing unit (102) and the first network unit;
the mobile terminal (200) comprises a driving unit (201), an infrared image acquisition unit (202), a second processing unit, a second network unit and a second power supply unit;
the driving unit (201) is used for moving on a preset line (400) according to the instruction of the first processing unit (102);
the infrared image acquisition unit (202) is arranged on the driving unit (201), is connected with the second processing unit, and is used for acquiring a first infrared imaging image from a cabinet door of the switch cabinet, acquiring a second infrared imaging image from the interior of the switch cabinet and sending the second infrared imaging image to the second processing unit;
the second processing unit is arranged on the driving unit (201) and used for acquiring the first infrared imaging image and calculating a first highest temperature of a cabinet door of the switch cabinet according to a temperature field of the first infrared imaging image; under the condition that the first maximum temperature is higher than a first preset value, the second processing unit is further used for sending an instruction to the first processing unit (102) through the second network unit, and the first processing unit (102) controls the motor (101) to open the cabinet door of the switch cabinet;
the second processing unit controls the infrared image acquisition unit (202) to acquire a second infrared imaging image in the switch cabinet, and calculates a second highest temperature in the switch cabinet according to a temperature field of the second infrared imaging image; under the condition that the second highest temperature is higher than a second preset value, the motor (101) keeps driving a cabinet door of the switch cabinet to be in an open state, the second processing unit sends an instruction to the alarm terminal (300), and the alarm terminal (300) gives an alarm; the second processing unit moves continuously on a preset line (400) to the driving unit (201) and detects the temperature of the next switch cabinet;
under the condition that the second highest temperature is lower than the second preset value, the first processing unit (102) sends an instruction to the first processing unit (102), and the first processing unit (102) controls the motor (101) to close the switch cabinet door;
the second power supply unit is used for supplying power to the driving unit (201), the infrared image acquisition unit (202), the second processing unit and the second network unit;
the alarm terminal (300) is used for receiving the instruction of the second processing unit and giving an alarm.
2. The wireless temperature measurement system applied to the switch cabinet according to claim 1, wherein the first network unit and the second network unit are both GPRS modules, and the alarm terminal (300) is connected with the second processing unit through mobile data.
3. The wireless temperature measurement system applied to switch cabinets according to claim 1, wherein the driving unit (201) is a mobile robot, the mobile robot is controlled by the second processing unit, the second processing unit plans a circuit as a preset circuit (400), and the mobile robot passes through each switch cabinet in sequence according to the preset circuit (400).
4. The system of claim 1, further comprising a storage unit for storing the first maximum temperature and the second maximum temperature.
5. The wireless temperature measurement system applied to the switch cabinet as claimed in claim 1, wherein the second processing unit is a PC.
6. A method of thermometry in a system as claimed in any one of claims 1 to 5, wherein:
the method comprises the following steps:
numbering each switch cabinet and a motor (101) arranged on the switch cabinet, planning a preset pause point position (401) for a driving unit (201), wherein each pause point position (401) is positioned right in front of each switch cabinet, and the pause point positions (401) form a preset circuit (400);
when the driving unit (201) is located at the pause point position (401), the infrared image acquisition unit (202) shoots a first infrared imaging image to the cabinet door of the switch cabinet, the second processing unit acquires the first infrared imaging image, and the first highest temperature of the cabinet door of the switch cabinet is calculated according to the temperature field of the first infrared imaging image;
judging the temperature of the switch cabinet for the first time:
if the first maximum temperature is lower than a first preset value, the second processing unit sends an instruction to the driving unit (201), and the driving unit (201) carries out temperature detection on the switch cabinet from the next pause point (401) along the preset route;
if the first maximum temperature is higher than a first preset value, the second processing unit sends an instruction to the first processing unit (102) through a second network unit, and the first processing unit (102) controls a motor (101) arranged on a switch cabinet corresponding to the current pause point position (401) to open a switch cabinet door;
the second processing unit sends an instruction to the infrared image acquisition unit (202), the infrared image acquisition unit (202) shoots a second infrared imaging image to the interior of the switch cabinet, and the second processing unit acquires the second infrared imaging image and calculates a second highest temperature of the door of the switch cabinet according to a temperature field of the second infrared imaging image;
and (3) judging the temperature of the switch cabinet for the second time:
if the second highest temperature is lower than a second preset value, the second processing unit sends an instruction to the first processing unit (102), and the first processing unit (102) controls a motor (101) on the corresponding switch cabinet to drive the switch cabinet door to be closed; the second processing unit sends an instruction to the driving unit (201), and the driving unit (201) detects the temperature of the switch cabinet from the preset route to the next pause point (401);
if the second highest temperature is higher than the second preset value, the second processing unit sends an instruction to the alarm terminal (300), and the alarm terminal (300) generates an alarm.
7. Method for thermometric according to claim 6, wherein the distance between said stopping point (401) and the switchgear is comprised between 30 and 50 cm.
8. The thermometric method according to claim 6, wherein when the drive unit (201) is located at a stall point (401), the drive unit (201) stops moving and waits for the instruction of the second processing unit to continue to reach the next stall point (401).
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