CN213457796U - Wireless temperature and humidity device for terminal box of transformer substation - Google Patents
Wireless temperature and humidity device for terminal box of transformer substation Download PDFInfo
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- CN213457796U CN213457796U CN202022273867.8U CN202022273867U CN213457796U CN 213457796 U CN213457796 U CN 213457796U CN 202022273867 U CN202022273867 U CN 202022273867U CN 213457796 U CN213457796 U CN 213457796U
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Abstract
The application discloses terminal box wireless temperature humidity device of transformer substation for solve the problem that current master control room can not directly monitor the behavior of the heater of outdoor terminal box and dehumidifier. The device comprises a main control module, a dehumidifier and a heating plate; the master control module comprises an MCU master control unit and a remote radio unit; the MCU master control unit is respectively connected with the heating plate and the dehumidifier and is used for respectively controlling the heating plate and the dehumidifier to work and monitoring the working states of the heating plate and the dehumidifier based on a control instruction from a master control room; the remote radio unit is connected with the MCU main control unit and used for receiving a control instruction from a main control room and transmitting the control instruction to the MCU main control unit, and is also used for wirelessly transmitting the working state monitored by the MCU main control unit to the main control room.
Description
Technical Field
The application relates to the field of outdoor terminal boxes, in particular to a wireless temperature and humidity device for a terminal box of a transformer substation.
Background
Due to the damp weather, the outdoor terminal box of the transformer substation is usually operated in a damp environment, which can cause condensation on the surface and inside of the outdoor terminal box, so that the phenomena of mildew and oxidation of the wiring terminals and the wires occur.
At present, an outdoor terminal box is usually internally provided with a heater and a dehumidifier, and the generation of condensation is prevented by heating the heater and dehumidifying the dehumidifier.
However, when the internal heater and the internal dehumidifier are out of order, the master control room cannot know the conditions of the heater and the dehumidifier in time, so that the outdoor terminal box cannot work normally due to the heater and the dehumidifier, and the normal operation of the whole outdoor terminal box is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a wireless temperature and humidity device of a transformer substation terminal box, which is used for solving the problem that the existing master control room cannot directly monitor the working conditions of a heater and a dehumidifier of an outdoor terminal box.
The embodiment of the application provides a wireless temperature humidity device of terminal box of transformer substation, includes: the main control module, the dehumidifier and the heating plate; the master control module comprises an MCU master control unit and a remote radio unit;
the MCU master control unit is respectively connected with the heating plate and the dehumidifier and is used for respectively controlling the heating plate and the dehumidifier to work and monitoring the working states of the heating plate and the dehumidifier based on a control instruction from a master control room;
the remote radio unit is connected with the MCU main control unit and used for receiving a control instruction from a main control room and transmitting the control instruction to the MCU main control unit, and is also used for wirelessly transmitting the working state monitored by the MCU main control unit to the main control room.
In one example, the main control module further comprises a heating plate control unit; and the heating plate control unit is connected with the MCU main control unit and used for receiving a temperature control instruction from the MCU main control unit and controlling the heating plate to heat.
In one example, the master control module further comprises an RS485 driving unit, wherein the RS485 driving unit is connected to the dehumidifier through an RS485 port, and is configured to transmit a humidity control instruction from the MCU master control unit to the dehumidifier, so as to control the dehumidifier to dehumidify.
In one embodiment, the device further comprises a first temperature and humidity sensor and a second temperature and humidity sensor, wherein the first temperature and humidity sensor is connected with the MCU main control unit and used for acquiring first temperature data and first humidity data of the heating plate and transmitting the acquired first temperature data and the acquired first humidity data to the MCU main control unit; and the second temperature and humidity sensor is connected with the MCU main control unit and used for acquiring second temperature data and second humidity data of the device and transmitting the second temperature data and the second humidity data to the MCU main control unit.
In one example, the MCU master control unit is specifically configured to control the heating plate to heat by outputting a PWM pulse when it is monitored that the second temperature data is smaller than a first preset threshold, and to control the dehumidifier to dehumidify when it is monitored that the second humidity data is larger than a second preset threshold.
In one example, the first temperature and humidity sensor is an external digital temperature and humidity sensor, and the second temperature and humidity sensor is an external digital temperature and humidity sensor.
In one example, the main control module further includes an AC/DC unit for converting an alternating current voltage into a direct current voltage.
In one example, the main control module further comprises an OLED display screen, and the OLED display screen is connected with the MCU main control unit and is used for displaying temperature data, humidity data, and setting information.
In one example, the main control module further includes a function button, and the function button is connected to the MCU main control unit and configured to transmit a corresponding instruction to the MCU main control unit based on a trigger of a user.
In one example, the main control module further includes a timing unit, configured to transmit a control instruction to the MCU main control unit according to a preset time interval, so as to control the heating plate and the dehumidifier to operate.
The embodiment of the application provides a wireless temperature humidity device of terminal box of transformer substation includes following beneficial effect at least: on the one hand, the MCU main control unit directly controls the heating plate and the dehumidifier to work based on second temperature data and second humidity data acquired by the second temperature and humidity sensor, so that the whole outdoor terminal box is more convenient and accurate in controlling humidity and temperature, and the purpose of heating and dehumidifying can be better achieved. On the other hand, based on the characteristics of low power consumption and long transmission distance of wireless signal transmission of the remote radio unit, the heating plate, the MCU main control unit and the dehumidifier form a wireless network, so that the working state of the heating plate and the dehumidifier can be monitored constantly by a main control room, the normal work of the whole outdoor terminal box is ensured, and meanwhile, the control instruction of a user can be timely and accurately transmitted to the MCU main control unit to control the work of each unit in the outdoor terminal box.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of a wireless temperature and humidity device of a terminal box of a transformer substation according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another wireless temperature and humidity device for a terminal box of a transformer substation according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a wireless temperature and humidity device of a terminal box of a transformer substation according to an embodiment of the present application. As shown in fig. 1, the apparatus mainly includes: master control module 10, dehumidifier 50, heating plate 40. The main control module 10 mainly includes an MCU main control unit 12 and a Long Range Radio (Lora) unit 16.
MCU main control unit 12 links to each other with hot plate 40, and when MCU main control unit 12 received the control command of master control room, control hot plate 40 heating to the operating condition of current hot plate 40 is monitored, can normally work in order to guarantee hot plate 40. Meanwhile, the MCU main control unit 12 is further connected to the dehumidifier 50, and when the MCU main control unit 12 receives a control command from the main control room, the dehumidifier 50 is controlled to dehumidify and the current operating state of the dehumidifier 50 is monitored, so as to ensure that the dehumidifier 50 can operate normally.
The remote radio unit 16 is connected to the MCU main control unit 12, and on one hand, is configured to receive a control command from the main control room, transmit the control command to the MCU main control unit 12, and control the MCU main control unit 12 to operate. On the other hand, the remote radio unit 16 is also used to wirelessly transmit the operating states of the heater plate 40 and the dehumidifier 50 monitored by the MCU master control unit 12 to the master room. Therefore, the working states of the heating plate 40 and the dehumidifier 50 can be monitored in real time by the master control room through the wireless transmission function of the remote radio unit 16, and the situation that the normal operation of the whole outdoor terminal box is influenced when the master control room cannot monitor the faults of the heating plate 40 and the dehumidifier 50 is avoided.
In one embodiment, the main control module 10 further includes a heating plate control unit 14, and the heating plate control unit 14 is connected to the MCU main control unit 12 and configured to receive a temperature control command from the MCU main control unit 12. The heating panel control unit 14 is also connected to the heating panel 40 for transmitting the temperature control command to the heating panel 40 to control heating of the heating panel 40. Meanwhile, the heating plate control unit 14 can also feed the current working state back to the MCU main control unit 12, so that the MCU main control unit 12 can monitor the working state of the heating plate control unit 14 at any time, and the situation that the heating plate works is not affected when the heating plate control unit 14 fails is avoided.
In one embodiment, the main control module 10 further includes an RS485 driving unit 17, in one aspect, the RS485 driving unit 17 is connected to the MCU main control unit 12, and is configured to receive the humidity control command from the MCU main control unit 12. On the other hand, the RS485 driving unit 17 is connected to a dehumidifier 50 having an RS485 port supporting the MODBUS protocol, and transmits the received humidity control command to the dehumidifier 50 to control the dehumidifier 50 to dehumidify.
In one embodiment, in one aspect, the substation terminal box temperature and humidity device further includes a first temperature and humidity sensor 20, where the first temperature and humidity sensor 20 is connected to the MCU main control unit 12, and is configured to collect first temperature data and first humidity data of the heating plate 40, and transmit the first temperature data and the first humidity data to the MCU main control unit 12, so as to ensure that the temperature of the heating plate 40 does not exceed a maximum value that the heating plate can bear.
On the other hand, the temperature and humidity device of the terminal box of the transformer substation further comprises a second temperature and humidity sensor 30, the second temperature and humidity sensor 30 is connected with the MCU main control unit 12 and used for acquiring second temperature data and second humidity data of the environment of the whole device and transmitting the second temperature data and the second humidity data to the MCU main control unit 12, so that the MCU main control unit can control the operation of the heating plate 40 and the dehumidifier 50 based on the second temperature data and the second humidity data and adjust the temperature and humidity conditions of the whole device.
In an embodiment, the MCU main control unit 12 is specifically configured to control the heating plate 40 to heat by outputting a PWM pulse to the heating plate control unit 14 when it is monitored that the temperature data transmitted by the second temperature and humidity sensor 30 is smaller than a first preset threshold. The MCU main control unit 12 is further configured to control the dehumidifier 50 to dehumidify when it is monitored that the humidity data transmitted by the second temperature and humidity sensor 30 is greater than a second preset threshold. The values of the first preset threshold and the second preset threshold can be set according to the requirements of the user, and the method is not limited in any way.
In one embodiment, on the one hand, the first temperature and humidity sensor 20 is an external digital temperature and humidity sensor, and compared with the internal digital temperature and humidity sensor, the external digital temperature and humidity sensor can detect the temperature of the heating plate 40 more accurately, and is not affected by the heat generated by the body.
On the other hand, the second humidity sensor 300 is an external digital temperature and humidity sensor, and compared with the internal digital temperature and humidity sensor, the external digital temperature and humidity sensor can more accurately detect the temperature inside the outdoor terminal box and cannot be influenced by the humidity of the body.
In one embodiment, the main control module 10 further includes an AC/DC unit 14 for converting the AC voltage to the DC voltage to ensure the normal power supply of the whole outdoor terminal box.
In an embodiment, the main control module 10 further includes an OLED display 11, on one hand, configured to display the temperature data and the humidity data received by the MCU main control unit 12 on the display, so that a user can see the current temperature data and humidity data more clearly. On the other hand, the OLED display screen 11 is further configured to display setting information, where the setting information may include a first preset threshold, a second preset threshold, a setting of a local address, a number of dehumidifiers, and the like, and the setting information may be specifically set according to a requirement of a user, which is not limited in this application.
In one embodiment, the main control module 10 further includes a function button 13, where the function button 13 is connected to the MCU main control unit 12, and is configured to transmit a corresponding instruction to the MCU main control unit 12 based on a trigger of a user, and the MCU main control unit 12 controls the corresponding unit to operate.
In one embodiment, the main control module 10 further includes a timing unit (not shown) connected to the MCU main control unit 12, and configured to transmit control commands to the MCU main control unit 12 according to a preset time interval, so as to automatically and periodically control the operation of the heating plate 40 and the dehumidifier 50. The preset time interval may be set according to the requirement of the user, which is not limited in this application.
Fig. 2 is a schematic structural diagram of another wireless temperature and humidity device for a terminal box of a transformer substation according to an embodiment of the present application.
As shown in fig. 2, the main control module 10 includes an OLED display 11 and function buttons 13. The left side of the OLED display screen 11 is provided with a wireless communication indicator lamp, a dehumidifier 485 indicator lamp, a heating plate work indicator lamp and an alarm indicator lamp from top to bottom in sequence. The wireless communication pilot lamp is used for showing the wireless communication state of device, and the flashing of dehumidifier 485 pilot lamp shows that dehumidifier 50 normally works, and the flashing of hot plate work pilot lamp shows that transformer substation's terminal box wireless temperature humidity device is in automatic mode, and the normal bright demonstration is in remote mode (being controlled by the master control room promptly), and the pilot lamp scintillation of reporting an emergency and asking for help or increased vigilance shows that the dehumidifier does not have communication, is in fault status. The function buttons 13 include a "ok key", a "left key", a "right key", and a "back key".
The power supply 18 is connected with the main control module 10 through a live wire L and a zero wire N. The dehumidifier 50 is connected to the main control module 10 through a communication pin a and a communication pin B. The switch 19 is connected to the main control module 10 through the input pin K1 and the input pin K2, and is configured to transmit a corresponding signal to the main control module based on the triggered closing of the outdoor terminal box door, so as to ensure that the outdoor terminal box is currently in a normally closed state. The heating panel 40 is connected to the main control module 10 through a communication pin N1 and a communication pin L1. The first temperature and humidity sensor is connected with the main control unit 10 through a power pin V1, a clock terminal C1, a data terminal D1 and a ground terminal G. The second temperature and humidity sensor is connected with the main control unit 10 through a power pin V2, a clock terminal C2, a data terminal D2 and a ground terminal G.
It should be noted that fig. 1 and fig. 2 both show the structure of the wireless temperature and humidity apparatus for a terminal box of a transformer substation provided by the present application, and the description of the two apparatuses can be referred to and supplemented with each other, and repeated parts are not described again in the present application.
In this application embodiment, on the one hand, MCU the main control unit is based on second temperature data and the second humidity data that second temperature and humidity sensor gathered, and direct control hot plate and dehumidifier work for whole outdoor terminal case control humidity and temperature are convenient more, accurate, can be better reach the purpose of heating dehumidification.
On the other hand, based on the characteristics of low power consumption and long transmission distance of wireless signal transmission of the remote radio unit, the heating plate, the MCU main control unit and the dehumidifier form a wireless network, so that the working state of the heating plate and the dehumidifier can be monitored constantly by a main control room, the normal work of the whole outdoor terminal box is ensured, and meanwhile, the control instruction of a user can be timely and accurately transmitted to the MCU main control unit to control the work of each unit in the outdoor terminal box.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A wireless temperature and humidity device for a terminal box of a transformer substation is characterized by comprising a main control module, a dehumidifier and a heating plate; the master control module comprises an MCU master control unit and a remote radio unit;
the MCU master control unit is respectively connected with the heating plate and the dehumidifier and is used for respectively controlling the heating plate and the dehumidifier to work and monitoring the working states of the heating plate and the dehumidifier based on a control instruction from a master control room;
the remote radio unit is connected with the MCU main control unit, is used for receiving a control instruction from a main control room and transmitting the control instruction to the MCU main control unit, and is also used for wirelessly transmitting the working state monitored by the MCU main control unit to the main control room;
the main control module further comprises a function button, and the function button is connected with the MCU main control unit and used for transmitting a corresponding instruction to the MCU main control unit based on the triggering of a user;
the main control module further comprises a timing unit which is used for transmitting a control instruction to the MCU main control unit according to a preset time interval and controlling the heating plate and the dehumidifier to work.
2. The apparatus of claim 1, wherein the master control module further comprises a heating plate control unit; and the heating plate control unit is connected with the MCU main control unit and used for receiving a temperature control instruction from the MCU main control unit and controlling the heating plate to heat.
3. The device as claimed in claim 1, wherein the master control module further comprises an RS485 drive unit, and the RS485 drive unit is connected to the dehumidifier through an RS485 port and is configured to transmit a humidity control command from the MCU master control unit to the dehumidifier so as to control the dehumidifier to dehumidify.
4. The device according to claim 1, further comprising a first temperature and humidity sensor and a second temperature and humidity sensor, wherein the first temperature and humidity sensor is connected to the MCU main control unit and used for collecting first temperature data and first humidity data of the heating plate and transmitting the collected first temperature data and the collected first humidity data to the MCU main control unit; and the second temperature and humidity sensor is connected with the MCU main control unit and used for acquiring second temperature data and second humidity data of the device and transmitting the second temperature data and the second humidity data to the MCU main control unit.
5. The device according to claim 4, wherein the MCU master control unit is specifically configured to control the heating plate to heat by outputting PWM pulses when monitoring that the second temperature data is smaller than a first preset threshold, and to control the dehumidifier to dehumidify when monitoring that the second humidity data is larger than a second preset threshold.
6. The device of claim 4, wherein the first temperature and humidity sensor is an external digital temperature and humidity sensor, and the second temperature and humidity sensor is an external digital temperature and humidity sensor.
7. The apparatus of claim 1, wherein the master control module further comprises an AC/DC unit for converting an alternating current voltage to a direct current voltage.
8. The device of claim 4, wherein the main control module further comprises an OLED display screen, and the OLED display screen is connected with the MCU main control unit and used for displaying temperature data, humidity data and setting information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273867.8U CN213457796U (en) | 2020-10-13 | 2020-10-13 | Wireless temperature and humidity device for terminal box of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022273867.8U CN213457796U (en) | 2020-10-13 | 2020-10-13 | Wireless temperature and humidity device for terminal box of transformer substation |
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| CN213457796U true CN213457796U (en) | 2021-06-15 |
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| CN202022273867.8U Active CN213457796U (en) | 2020-10-13 | 2020-10-13 | Wireless temperature and humidity device for terminal box of transformer substation |
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