CN210089867U - Temperature measuring and alarming device for switch cabinet - Google Patents
Temperature measuring and alarming device for switch cabinet Download PDFInfo
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- CN210089867U CN210089867U CN201921333113.8U CN201921333113U CN210089867U CN 210089867 U CN210089867 U CN 210089867U CN 201921333113 U CN201921333113 U CN 201921333113U CN 210089867 U CN210089867 U CN 210089867U
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Abstract
A temperature measuring and alarming device for a switch cabinet is used for monitoring the operating temperature of electrical equipment such as a high-voltage switch cabinet, a box-type transformer and the like and comprises a cabinet body and a microprocessor, wherein a plurality of global temperature measuring modules and local temperature measuring modules are arranged in the cabinet body; the global temperature measurement modules are arranged at different positions in the cabinet body and are respectively fixedly connected with the inner wall of the cabinet body, and the temperature measurement range of each global temperature measurement module covers the whole of a measured component in the cabinet body; each local temperature measurement module is fixed on the inner wall of the cabinet body and corresponds to a specific measured component one by one, and is used for measuring a specific numerical value of each measured component; a cabinet external temperature measuring module for measuring normal temperature is fixedly arranged outside the cabinet; warning modules corresponding to the global temperature measurement modules and the local temperature measurement modules are arranged on or near each global temperature measurement module and each local temperature measurement module; the device can be used for quickly and accurately finding out the temperature measuring device with abnormal work, so that the temperature measuring device is convenient to maintain, time-saving and labor-saving, and the operation safety of electrical equipment such as a high-voltage switch cabinet, a box-type transformer and the like is ensured.
Description
Technical Field
The utility model provides a cubical switchboard temperature measurement and alarm device.
Background
All be equipped with temperature measuring device among the electrical equipment such as current high tension switchgear, box transformer, off-line, online electrical equipment temperature monitoring at present, mostly monitor the weak point of people for the affirmation, there is very big limitation and not enough, also leads to the quantity and the position of temperature measurement module indefinite, not only makes current temperature measuring device installation comparatively loaded down with trivial details, and the wiring is heavy, also is difficult to detect whether temperature measuring device's itself normally works in daily use. However, in order to detect the temperature measuring devices with abnormal operation among a plurality of temperature measuring devices, the obstacles need to be removed in sequence and in serial number, and new temperature measuring devices need to be numbered after the temperature measuring devices with abnormal operation are replaced, so that time and labor are wasted in maintenance and repair.
Disclosure of Invention
The utility model aims at providing a cubical switchboard temperature measurement and alarm device uses this device can be quick accurate find out the temperature measuring device that work is unusual, makes temperature measuring device easy maintenance, labour saving and time saving, guarantees the operation safety of electrical equipment such as high tension switchgear, box transformer.
The technical scheme of the utility model is that: the utility model provides a cubical switchboard temperature measurement and alarm device which characterized in that: the intelligent temperature measurement cabinet comprises a cabinet body and a microprocessor, wherein a plurality of global temperature measurement modules and local temperature measurement modules are arranged in the cabinet body; all the global temperature measuring modules are arranged at different positions on the inner wall of the cabinet body and are respectively fixedly connected with the inner wall of the cabinet body, and the temperature measuring range of each global temperature measuring module covers the whole of a measured component in the cabinet body; each local temperature measurement module is fixed on the inner wall of the cabinet body and corresponds to a specific measured component one by one, and is used for measuring a specific numerical value of each measured component; the cabinet body is externally and fixedly provided with an external temperature measuring module for measuring normal temperature, and the signal output end of the global temperature measuring module, the signal output end of the local temperature measuring module and the signal output end of the external temperature measuring module are respectively connected with the signal input end of the microprocessor through signal lines; and the global temperature measurement module and the local temperature measurement module are respectively provided with a corresponding warning module, and the signal input end of each warning module is connected with the signal output end of the microprocessor through a signal wire.
The data input and output end of the man-machine interaction module is connected with the data input and output end of the microprocessor through a data line; the man-machine interaction module is one or the combination of a display, a keyboard, a control panel or a touch display screen.
The microprocessor comprises a wireless signal transceiving unit, and a wireless signal transceiving end of the wireless signal transceiving unit is in communication connection with a wireless signal transceiving end of the data concentration compression transceiving module.
The local temperature measuring module is an MLX90640 type array type temperature sensor.
The warning module is provided with a temperature standard exceeding warning lamp and a temperature measuring module running state warning lamp.
The cabinet body is provided with an alarm, and the signal input end of the alarm is connected with the signal output end of the microprocessor through a signal line.
The utility model discloses a theory of operation and advantage are: the global temperature measurement module, the local temperature measurement module and the temperature measurement module outside the cabinet are arranged from the local part inside the cabinet to the global part and outside the cabinet, and temperature signals (heat radiation numerical values) of corresponding parts are respectively sent to the microprocessor for calculation processing, so that the omnibearing monitoring processing is realized; the data measured by the temperature measuring module outside the cabinet is data at normal temperature, and is used as reference data for judging whether the temperature measuring module inside the cabinet works normally or not; the warning modules corresponding to the global temperature measuring modules and the local temperature measuring modules are arranged near each global temperature measuring module and each local temperature measuring module, the warning modules are divided into two types, one type is warning that the temperature measuring modules work abnormally, and the warning module can warn timely when the corresponding temperature measuring modules work abnormally. The other type is the warning that the numerical value of the measured part exceeds the limit, the warning module on the corresponding temperature measurement module warns in time when the measured part is overheated, and the warning is made by the alarm, so that the convenience is brought to timely discovery of maintainers. During operation, the microprocessor gathers the temperature data that each temperature measurement module sent in real time, carry out real-time supervision to the plane temperature in the cabinet, and prestore has software or algorithm to calculating to the plane temperature in the cabinet in the microprocessor, when the microprocessor judges that the temperature is unusual according to the data of gathering through the calculation, will control corresponding warning module and report to the police, the suggestion maintainer is in time arranged the trouble, still can compress send fault information for data terminal to carry out online real time monitoring to the part of being surveyed through data set compression transceiver module, through above-mentioned structure, this system can generate the whole plane thermal imagery of the part of being surveyed, and judge and show the trouble of the module of being surveyed, thereby can use whole situation temperature measurement technique accuracy to find the unusual work module position, let the maintainer in time to field treatment. The device can realize short-distance visual fault identification, has high precision, accurate warning position, convenient maintenance, time and labor saving, and ensures normal work of the daily measurement module, thereby ensuring the operation safety of electrical equipment such as a high-voltage switch cabinet, a box-type transformer and the like.
Drawings
Fig. 1 is a schematic diagram of the structure of the temperature measuring and alarming device of the switch cabinet of the present invention.
Fig. 2 is a schematic diagram of the connection structure of each electric component in the present invention.
Fig. 3 is a schematic diagram of the structure of the middle warning module and the local temperature measuring module of the present invention.
In the figure, 1 cabinet body, 2 warning modules, 3 local temperature measuring modules, 4 measured parts, 5 global temperature measuring modules, 6 external temperature measuring modules, 7 microprocessor, 8 display, 9 keyboard, 10 man-machine interaction modules, 11 alarm, 12 temperature standard exceeding warning lamps and 13 temperature measuring module operation state warning lamps.
Detailed Description
A temperature measuring and alarming device of a switch cabinet is shown in figures 1 to 3 and comprises a cabinet body 1 and a microprocessor 7, wherein a plurality of global temperature measuring modules 5 and local temperature measuring modules 3 are arranged in the cabinet body; all the global temperature measuring modules are arranged at different positions in the cabinet body and are respectively fixedly connected with the inner wall of the cabinet body, and the temperature measuring range of each global temperature measuring module covers the whole of the measured part 4 in the cabinet body; each local temperature measurement module is fixed on the inner wall of the cabinet body and corresponds to a specific measured component one by one, and is used for measuring a specific numerical value of each measured component; the cabinet body is externally and fixedly provided with an external temperature measuring module 6 for measuring normal temperature, and the signal output end of the global temperature measuring module, the signal output end of the local temperature measuring module and the signal output end of the external temperature measuring module are respectively connected with the signal input end of the microprocessor through signal wires; and the global temperature measurement module and the local temperature measurement module are respectively provided with a corresponding warning module 2, and the signal input end of each warning module is connected with the signal output end of the microprocessor through a signal wire.
The system also comprises a man-machine interaction module 10, wherein the data input and output end of the man-machine interaction module is connected with the data input and output end of the microprocessor through a data line; the man-machine interaction module is one or the combination of the display 8, the keyboard 9, the control panel or the touch display screen.
The microprocessor comprises a wireless signal transceiving unit, and a wireless signal transceiving end of the wireless signal transceiving unit is in communication connection with a wireless signal transceiving end of the data concentration compression transceiving module.
The local temperature measuring module is an MLX90640 type array type temperature sensor.
And the warning module is provided with a temperature exceeding warning lamp 12 and a temperature measuring module running state warning lamp 13.
The cabinet body is provided with an alarm 11, and the signal input end of the alarm is connected with the signal output end of the microprocessor through a signal line.
The microprocessor is also called a singlechip or an industrial personal computer and at least comprises a computing unit, a storage unit, a power supply unit, an interface unit, a clock unit, a signal conversion unit and the like, and the microprocessor is mature in the prior art and can be selected according to the number and the type of each temperature measurement module, and the microprocessor is suitable for the corresponding computing processing capacity. The planar thermal phase diagram is displayed on a display for human eye identification. The MLX90640 array type temperature sensor is a commercial product, and has the advantages of compact design, wide working temperature range and temperature measurement range and high measurement precision.
The local temperature measurement module is accurate in measurement, but the measurement range is small. The global temperature measurement module can measure the temperature of the whole plane, but the accuracy is not enough for measuring the counterweight part. The local temperature measurement module and the global temperature measurement module are used for measuring temperature jointly, the planar thermal phase diagrams generated by the local temperature measurement module and the global temperature measurement module are compared, and the thermal image conditions and the side-domain variation trends of different areas of the local thermal phase diagrams measured by the local temperature measurement module are fitted with the thermal phase diagram conditions measured by the global temperature measurement module, so that the accurate thermal image conditions on the measured plane (including the monitoring position which is not considered important) can be obtained. The temperature measurement module outside the cabinet is used for measuring the normal temperature condition of the external area, the heating temperature of the internal part due to the electrical condition is higher than the room temperature, so that the temperature measurement of different modules and the external temperature difference can be obtained, and the microprocessor judges whether the temperature given by the temperature difference condition is overheated or not, thereby triggering alarm. The principle of judging the fault of the temperature measurement module is as follows: the microprocessor judges through a preset program, an algorithm and the like and triggers a nearby warning module corresponding to the temperature measuring module to give an alarm according to a preset value when a certain temperature measuring module fails and cannot give a thermal image or the heat value condition of the module has a larger trend and fitting difference with other modules.
A plurality of electrical equipment such as high-voltage switch cabinets, box-type transformers and the like are usually arranged in the same area, each electrical equipment is provided with a temperature measuring module and a corresponding microprocessor, the number of the data concentration compression transceiver modules is generally one, the data concentration compression transceiver modules collect temperature measuring data sent by each nearby microprocessor through wireless signals, the data concentration compression transceiver modules and wireless signal transceiver units on each microprocessor are preferably connected through Bluetooth or Wi-Fi, the temperature measuring data are compressed and packaged and then transmitted to a data terminal through wireless signals or signal lines, and the speed, real-time performance and safety of data transmission can be guaranteed; the wireless signal receiving and transmitting end of the data concentrated compression receiving and transmitting module is in communication connection with the wireless signal receiving and transmitting end of the data terminal, or the signal receiving and transmitting end of the data concentrated compression receiving and transmitting module is connected with the signal receiving and transmitting end of the data terminal through a signal wire; the data terminal is a monitoring computer which is arranged at a far distance and used for receiving, transmitting and recording temperature information, and also comprises a handheld movable data terminal, such as a mobile industrial personal computer, a palm computer, a notebook computer, a tablet personal computer, a miniature industrial personal computer and the like, wherein the handheld data terminal can be in signal communication connection with the receiving and transmitting module through a signal line when the receiving and transmitting module is compressed in a centralized manner, so that the situation of thermal image display can be observed and analyzed conveniently by using the mobile data terminal when a part to be detected is close to the receiving and transmitting module; the centralized compression transceiving module is used for acquiring temperature measurement data sent by each microprocessor and sending instructions to the microprocessors; the centralized compression transceiving module is one of a compiler with a communication unit, a microcomputer, a singlechip or an industrial personal computer; the data concentration compression transceiver module is arranged on the cabinet body accessory or fixedly arranged on the cabinet body.
The temperature exceeding warning lamp is used for indicating whether the temperature of the detected component exceeds the standard or not, usually, a green lamp or a light-off lamp is used for indicating when the temperature of the detected component is normal, and a red lamp is used for indicating when the temperature of the detected component is abnormal; the temperature measurement module running state warning light is used for indicating whether the temperature measurement module is normal or not, generally, when the temperature measurement module is normal, the running state is indicated by a green light or a light-off light, and when the temperature measurement module is abnormal, the running state is indicated by a red light.
The correspondence between the warning modules corresponding to the global temperature measurement module and the local temperature measurement module is arranged near each global temperature measurement module and each local temperature measurement module, namely, each warning module corresponds to the corresponding temperature measurement module in position, and the codes, numbers or groups of the warning modules and the corresponding temperature measurement modules in the microprocessor correspond to each other, in example 1: the warning module with the code of x in the microprocessor and the temperature measuring module with the code of x are used in pairs, and the warning module and the temperature measuring module are arranged in the cabinet and have close positions, so that calculation and warning are facilitated. Example 2: the warning module with the code of y and the temperature measurement module with the code of y are firstly coded, bound and paired in the microprocessor, and then the paired warning module and temperature measurement module are arranged in the cabinet in pairs, and the positions of the warning module and the temperature measurement module are close to each other, so that the calculation and the warning are facilitated. Example 3: and warning modules are arranged near the temperature measurement modules, and the codes of the warning modules and the codes of the adjacent temperature measurement modules are written into the microprocessor through the human-computer interaction unit for pairing, so that the calculation and warning are facilitated. The man-machine interaction module is fixedly arranged on the cabinet body or a fixed object near the cabinet body, and when the man-machine interaction module is fixedly arranged on the cabinet body, an operation panel of the man-machine interaction module is arranged on the outer surface of the cabinet body.
The thermometry module described herein includes a global thermometry module and a local thermometry module. The alarm that the cabinet body was equipped with also known as cabinet total warning device, the alarm utilizes reputation to report to the police, belongs to the product on the market, and its kind is various, and the effect is through sound and light suggestion maintainer notice, can prefer the alarm that possesses the function of remote notification, and this type of alarm can also send the alarm to appointed receiving equipment when publishing reputation warning. The signal line comprises a network cable, an optical fiber line or a data line and the like. The wireless signal refers to a wireless signal transmitted by technologies such as Bluetooth and Wi-Fi.
Claims (6)
1. The utility model provides a cubical switchboard temperature measurement and alarm device which characterized in that: the intelligent temperature measurement cabinet comprises a cabinet body (1) and a microprocessor (7), wherein a plurality of global temperature measurement modules (5) and local temperature measurement modules (3) are arranged in the cabinet body; all global temperature measurement modules are arranged at different positions on the inner wall of the cabinet body and are respectively fixedly connected with the inner wall of the cabinet body, and the temperature measurement range of each global temperature measurement module covers the whole of a measured component (4) in the cabinet body; each local temperature measurement module is fixed on the inner wall of the cabinet body and corresponds to a specific measured component one by one, and is used for measuring a specific numerical value of each measured component; an outside cabinet temperature measuring module (6) for measuring normal temperature is fixedly arranged outside the cabinet body, and the signal output end of the global temperature measuring module, the signal output end of the local temperature measuring module and the signal output end of the outside cabinet temperature measuring module are respectively connected with the signal input end of the microprocessor through signal wires; and the global temperature measurement module and the local temperature measurement module are respectively provided with a corresponding warning module (2), and the signal input end of each warning module is connected with the signal output end of the microprocessor through a signal wire.
2. The temperature measuring and alarming device of the switch cabinet as claimed in claim 1, wherein: the system also comprises a human-computer interaction module (10), wherein the data input and output end of the human-computer interaction module is connected with the data input and output end of the microprocessor through a data line; the man-machine interaction module is one or the combination of a display (8), a keyboard (9), a control panel or a touch display screen.
3. The temperature measuring and alarming device of the switch cabinet as claimed in claim 1, wherein: the microprocessor comprises a wireless signal transceiving unit, and a wireless signal transceiving end of the wireless signal transceiving unit is in communication connection with a wireless signal transceiving end of the data concentration compression transceiving module.
4. The temperature measuring and alarming device of the switch cabinet as claimed in claim 1, wherein: the local temperature measuring module is an MLX90640 type array type temperature sensor.
5. The temperature measuring and alarming device of the switch cabinet as claimed in claim 1, wherein: and the warning module is provided with a temperature exceeding warning lamp (12) and a temperature measuring module running state warning lamp (13).
6. The temperature measuring and alarming device of the switch cabinet as claimed in claim 1, wherein: the cabinet body is provided with an alarm (11), and the signal input end of the alarm is connected with the signal output end of the microprocessor through a signal line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921333113.8U CN210089867U (en) | 2019-08-16 | 2019-08-16 | Temperature measuring and alarming device for switch cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921333113.8U CN210089867U (en) | 2019-08-16 | 2019-08-16 | Temperature measuring and alarming device for switch cabinet |
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CN210089867U true CN210089867U (en) | 2020-02-18 |
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CN201921333113.8U Active CN210089867U (en) | 2019-08-16 | 2019-08-16 | Temperature measuring and alarming device for switch cabinet |
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2019
- 2019-08-16 CN CN201921333113.8U patent/CN210089867U/en active Active
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