CN211478979U - Intelligent temperature and humidity controller - Google Patents
Intelligent temperature and humidity controller Download PDFInfo
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- CN211478979U CN211478979U CN201922220309.2U CN201922220309U CN211478979U CN 211478979 U CN211478979 U CN 211478979U CN 201922220309 U CN201922220309 U CN 201922220309U CN 211478979 U CN211478979 U CN 211478979U
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Abstract
The application relates to an intelligence temperature and humidity controller, intelligence temperature and humidity controller installs in high tension switchgear, include: the system comprises a microcontroller, a temperature and humidity sensor, an interaction device and a relay device, wherein the temperature and humidity sensor, the interaction device and the relay device are respectively connected with the microcontroller; the relay device is used for connecting the heating device or the heat dissipation device; the temperature and humidity sensor collects temperature and humidity data of the high-voltage switch cabinet and sends the temperature and humidity data to the microcontroller, and the interaction device sends a preset temperature and humidity threshold value to the microcontroller; the microcontroller processes the temperature and humidity data, compares the processed result with a preset temperature and humidity threshold value, and controls the relay device to drive the heating device or the heat dissipation device to be turned on or off according to the comparison result. The intelligent temperature and humidity controller has the advantages that the obtained data precision is high, the data processing speed is high, the temperature and humidity in the high-voltage switch cabinet can be automatically controlled within a set range, and the working safety and the convenience of equipment maintenance are greatly improved.
Description
Technical Field
The application relates to the technical field of intelligent control, in particular to an intelligent temperature and humidity controller.
Background
The high-voltage switch cabinet is a device which plays the roles of switching on and off, controlling or protecting and the like in power generation, power transmission, power distribution, electric energy conversion and consumption of a power system, and is the most important equipment in a modern power system. Temperature and humidity control in the high-voltage switch cabinet is particularly important.
At present, a temperature and humidity controller is generally installed in a high-voltage switch cabinet to collect or monitor the temperature and/or humidity of the high-voltage switch cabinet, and then judgment is carried out according to the collected result and corresponding control measures are taken according to the judgment result. However, the current temperature and humidity controller has the problem of low precision.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an intelligent temperature and humidity controller for solving the technical problem of low precision of the existing temperature and humidity controller.
The utility model provides an intelligence atmospheric control ware, intelligence atmospheric control ware is installed in high tension switchgear, includes: the temperature and humidity sensor, the interaction device and the relay device are respectively connected with the microcontroller; the relay device is used for connecting the heating device or the heat dissipation device;
the temperature and humidity sensor collects temperature and humidity data of the high-voltage switch cabinet and sends the temperature and humidity data to the microcontroller, and the interaction device sends a preset temperature and humidity threshold value to the microcontroller; and the microcontroller processes the temperature and humidity data, compares the processed result with the preset temperature and humidity threshold value, and controls the relay device to drive the heating device or the heat dissipation device to be turned on or off according to the comparison result.
The utility model discloses an intelligent temperature and humidity controller comprises a microcontroller, a temperature and humidity sensor, an interaction device and a relay device, wherein the microcontroller is respectively connected with the temperature and humidity sensor, the interaction device and the relay device, and the relay device is used for connecting a heating device or a heat dissipation device; the temperature and humidity sensor is used for collecting temperature and humidity data of the high-voltage switch cabinet and sending the temperature and humidity data to the microcontroller, the interaction device is used for sending a preset temperature and humidity threshold value to the microcontroller, the microcontroller processes the temperature and humidity data, compares a processed result with the preset temperature and humidity threshold value, and controls the relay device to drive the adding device or the heat dissipation device to be opened or closed according to a comparison result, so that the temperature and humidity of the high-voltage switch cabinet are kept within a proper range. The intelligent temperature and humidity controller has the advantages that the obtained data precision is high, the data processing speed is high, the temperature and humidity in the high-voltage switch cabinet can be automatically controlled within a set range, and the working safety and the convenience of equipment maintenance are greatly improved.
In one embodiment, when the temperature value is greater than a first preset temperature, the microcontroller controls the relay device to drive the heat sink to be started;
and when the temperature value is lower than a second preset temperature, the microcontroller controls the relay device to drive the heat dissipation device to be closed.
In one embodiment, when the humidity value is greater than a first preset humidity, the microcontroller controls the relay device to drive the heating device to be started;
when the humidity value is smaller than a second preset humidity, the microcontroller controls the relay device to drive the heating device to be closed.
In one embodiment, the method further comprises the following steps: the wireless radio frequency device is connected with the microcontroller and is used for connecting an upper computer;
and the wireless radio frequency device sends the temperature and humidity data to the upper computer.
In one embodiment, the temperature and humidity sensor further comprises a power supply device, and the power supply device is respectively connected with the microcontroller, the temperature and humidity sensor and the relay device.
In one embodiment, the interaction device comprises a nixie tube, a key and an LED indicator light; the nixie tube, the key and the LED indicator light are respectively connected with the microcontroller;
the nixie tube displays the temperature and humidity data;
the key sets the preset temperature and humidity threshold value;
and the LED indicator lamp indicates the working state of the intelligent temperature and humidity controller.
In one embodiment, the interactive device further comprises a shift register, and the nixie tube is connected with the microcontroller through the shift register.
In one embodiment, the interaction device further comprises a resistor, and the key is connected with the microcontroller through the resistor.
In one embodiment, the relay device further comprises an amplifying circuit, and the microcontroller is connected with the relay device through the amplifying circuit.
In one embodiment, the amplifying circuit is a triode amplifying circuit.
Drawings
Fig. 1 is a diagram of an embodiment of the intelligent temperature and humidity controller of the present invention;
fig. 2 is a diagram of an embodiment of the intelligent temperature and humidity controller of the present invention;
fig. 3 is a diagram of an embodiment of an interaction device of the present invention;
fig. 4 is a diagram of an embodiment of an interaction device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The utility model provides a device; fig. 1 is a diagram of an embodiment of the intelligent temperature and humidity controller of the present invention. As shown in fig. 1, an intelligence temperature and humidity controller, intelligence temperature and humidity controller install in high tension switchgear, include: the system comprises a microcontroller 10, a temperature and humidity sensor 20, an interaction device 30 and a relay device 40, wherein the temperature and humidity sensor, the interaction device 30 and the relay device 40 are respectively connected with the microcontroller 10; the relay device 40 is used for connecting a heating device or a heat dissipation device; the temperature and humidity sensor 20 collects temperature and humidity data of the high-voltage switch cabinet and sends the temperature and humidity data to the microcontroller 10, and the interaction device 30 sends a preset temperature and humidity threshold value to the microcontroller 10; the microcontroller 10 processes the temperature and humidity data, compares the processed result with a preset temperature and humidity threshold value, and controls the relay device 40 to drive the heating device or the heat dissipation device to be turned on or off according to the comparison result.
Specifically, the intelligent temperature and humidity controller includes a microcontroller 10, a temperature and humidity sensor 20, an interaction device 30 and a relay device 40, wherein the microcontroller 10 is connected to the temperature and humidity sensor 20, the interaction device 30 and the relay device 40, respectively. The temperature and humidity sensor 20 is mainly used for acquiring temperature and humidity data in the high-voltage switch cabinet, then transmitting the temperature and humidity data to the microcontroller 10, and the microcontroller 10 processes the temperature and humidity data to obtain a current temperature value and a current humidity value in the high-voltage switch cabinet; in addition, a preset temperature and humidity threshold is stored in the interaction device 30, where the preset temperature and humidity threshold is preset and can be determined by a manager or a maintainer of the high-voltage switch cabinet according to the role of the manager or the maintainer in the power system and by combining with the actual working environment, and the preset temperature and humidity threshold may be a fixed value or a range value; when the preset temperature and humidity threshold value is a range value, and when the current temperature value and the current humidity value in the high-voltage switch cabinet are within the range specified by the preset temperature and humidity range value, it indicates that the current temperature and humidity in the high-voltage switch cabinet are appropriate, and corresponding processing is not needed (for example, if the heating device or the heat dissipation device is in a closed state before, related processing is not needed), or corresponding equipment is needed to be closed (for example, if the heating device or the heat dissipation device is in an open state before, the heating device or the heat dissipation device is needed to be closed); when the current temperature value and the current humidity value in the high-voltage switch cabinet are not within the range specified by the preset temperature and humidity range value, the current temperature and humidity in the high-voltage switch cabinet are abnormal, and a heating device or a heat dissipation device needs to be started.
In addition, the relay device 40 is mainly used for connecting a heating device or a heat sink, and drives the heating device or the heat sink to be turned on or off when receiving a control signal from the microcontroller 10.
In an alternative embodiment, the heating device may employ a heating plate, a heating wire, or the like; the heat dissipation device can adopt a fan device, a heat dissipation fan and the like.
Alternatively, the microcontroller 10 may employ an STM32F030C8T6 high performance microcontroller;
the STM32F030 supermale type provides high speed embedded memory with various enhanced peripherals and I/O. Communication interfaces such as I2C, SPI and USART, as well as a 12-bit ADC, a 16-bit timer and an advanced control PWM timer, the STM32F030C8T6 processor is capable of digital signal processing, real-time performance, low voltage and low power.
The utility model discloses an intelligent temperature and humidity controller, including microcontroller 10, temperature and humidity sensor 20, interaction device 30 and relay device 40, wherein microcontroller 10 connects temperature and humidity sensor 20, interaction device 30 and relay device 40 respectively, and relay device 40 is used for connecting heating device or heat abstractor; temperature and humidity sensor 20 is used for gathering the humiture data of high tension switchgear and sends to microcontroller 10, and interactive installation 30 is used for sending the humiture threshold value of predetermineeing to microcontroller 10, and microcontroller 10 handles the humiture data to compare the result after will handling with the humiture threshold value of predetermineeing, control relay device drive joining device or heat abstractor according to the comparative result and open or close, thereby keep the humiture of high tension switchgear in suitable within range. The intelligent temperature and humidity controller has the advantages that the obtained data precision is high, the data processing speed is high, the temperature and humidity in the high-voltage switch cabinet can be automatically controlled within a set range, and the working safety and the convenience of equipment maintenance are greatly improved.
In one embodiment, when the temperature value is greater than a first preset temperature, the microcontroller controls the relay device to drive the heat sink to be started; and when the temperature value is lower than the second preset temperature, the microcontroller controls the relay device to drive the heat dissipation device to be closed.
Specifically, the preset temperature and humidity threshold value comprises a first preset temperature and a second preset temperature, and when the current temperature value in the high-voltage switch cabinet is greater than the first preset temperature, it is indicated that the current temperature value in the high-voltage switch cabinet is abnormal (too high), and at this time, the heat dissipation device needs to be started to dissipate heat; when the heat dissipation lasts for a period of time and the current temperature value in the high-voltage switch cabinet is lower than the second preset temperature, the current temperature value in the high-voltage switch cabinet is indicated to be recovered to be normal, and at the moment, the heat dissipation device needs to be closed.
In addition, the first preset temperature and the second preset temperature can be fixed values or a range of values, and are determined according to the actual requirements and working environment of the high-voltage switch cabinet.
In one embodiment, when the humidity value is greater than a first preset humidity, the microcontroller controls the relay device to drive the heating device to be started; and when the humidity value is smaller than the second preset humidity, the microcontroller controls the relay device to drive the heating device to be closed.
Specifically, the preset temperature and humidity threshold value comprises a first preset humidity and a second preset humidity, and when the current humidity value in the high-voltage switch cabinet is larger than the first preset humidity, it is indicated that the current humidity value in the high-voltage switch cabinet is abnormal (too high), and at this time, the heating device needs to be started to eliminate dampness; when the dampness is continuously removed for a period of time and the current humidity value in the high-voltage switch cabinet is smaller than the second preset humidity, the current humidity value in the high-voltage switch cabinet is restored to be normal, and at the moment, the heating device needs to be turned off.
In addition, the first preset humidity and the second preset humidity can be fixed values or a range value, and are determined according to the actual requirements and working environment of the high-voltage switch cabinet.
In a preferred embodiment, the temperature and humidity sensor 20 may be an SHT20 temperature and humidity sensor, which is stable in high temperature environment. In this embodiment, the temperature and humidity sensor SHT20 is connected to an I2C interface of an STM32F030C8T6 high performance microcontroller, and is configured to collect temperature and humidity information. The SHT20 converts the collected temperature and humidity information into digital signals and sends the digital signals to the STM32F030C8T6 high-performance microcontroller through an I2C interface.
In one embodiment, as shown in fig. 2, the intelligent temperature and humidity controller further includes: the wireless radio frequency device 50 is connected with the microcontroller 10, and the wireless radio frequency device 50 is used for connecting an upper computer; the wireless radio frequency device 50 sends the temperature and humidity data to the upper computer.
Particularly, this intelligence temperature and humidity controller still includes wireless radio frequency device 50, and wireless radio frequency device 50 can be with humiture data transmission to the host computer to the humiture condition of high tension switchgear can in time be known to the maintainer, in time maintains when the high tension switchgear breaks down.
Optionally, the upper computer may be a computer or an intelligent terminal.
In an alternative embodiment, the wireless radio frequency device may adopt an SX1212 radio frequency chip, wherein the SX1212 radio frequency chip is connected with an SPI port of an STM32F030C8T6 high performance microcontroller, and sends temperature and humidity data sent by the microcontroller to an upper computer at a frequency of 433 MHz.
In one embodiment, as shown in fig. 2, the electronic device further includes a power supply device 60, and the power supply device 60 is connected to the microcontroller 10, the temperature and humidity sensor 20, and the relay device 40, respectively.
Specifically, this intelligence temperature and humidity controller still includes power supply unit 60, and power supply unit 60 connects microcontroller 10, temperature and humidity sensor 20 and relay unit 40 respectively, is microcontroller 10, temperature and humidity sensor 20 and relay unit 40 power supply respectively. Specifically, the power supply device 60 is powered by a supply voltage, and then converts the supply voltage into a corresponding target voltage; the target voltage is a voltage required by other devices when operating, the target voltage is usually not a certain value, the target voltages required by different devices are usually different, and the target voltages are actually required to be determined according to the types of the devices. For example, the target voltage may be 3.3V, 5V, etc. In this embodiment, the power supply device 60 provides a +3.3V operating voltage for the STM32F030C8T6 high performance microcontroller and the temperature and humidity sensor SHT20, and provides a +3.3V operating voltage for the interaction device 20 and a +5V operating voltage for the relay device 40 through the microcontroller.
In one embodiment, as shown in fig. 3-4, the interaction device 20 includes a nixie tube 202, keys 204, and LED indicator lights 206; the nixie tube 202, the key 204 and the LED indicator lamp 206 are respectively connected with the microcontroller; the nixie tube 202 displays temperature and humidity data; the key 204 sets a preset temperature and humidity threshold value; the LED indicator 206 indicates the operating state of the intelligent temperature and humidity controller.
In one embodiment, as shown in fig. 4, the interactive apparatus further comprises a shift register, and the nixie tube 202 is connected to the microcontroller 10 through the shift register.
In one embodiment, the interactive device further comprises a resistor, and the key is connected with the microcontroller through the resistor.
Specifically, the interactive device includes a nixie tube 202, a key 204, an LED indicator 206, and a shift register. The number of the shift registers is two, and 74HC595 registers can be adopted as the shift registers. The nixie tube 202 is connected with two shift registers (U2 and U3 in FIG. 4) and then connected with GPIO ports PA7, PB0, PB1 and PB2 of the STM32F030C8T6 high-performance microcontroller, and is used for displaying temperature and humidity information sent by the microcontroller.
The key 204 is connected with a pull-up resistor and then connected with a GPIO port of an STM32F030C8T6 high-performance microcontroller, and is used for setting parameters such as control temperature, humidity range, temperature/humidity control return difference and the like, wherein the temperature control range of the temperature and humidity controller is set to be 10-60 ℃, the return difference is 5 ℃, the humidity control range is not more than 93% RH, and the return difference is 5% RH. In addition, the setting of the return difference can effectively prevent the frequent action of the relay module when the temperature or the humidity fluctuates back and forth near the set threshold value.
The LED indicator lamp 206 is connected with a GPIO port of the STM32F030C8T6 high-performance microcontroller and is used for displaying the working state of the temperature and humidity controller.
In one embodiment, the relay device further comprises an amplifying circuit, and the microcontroller is connected with the relay device through the amplifying circuit.
In one embodiment, the amplifying circuit is a triode amplifying circuit.
Specifically, this intelligence temperature and humidity controller still includes amplifier circuit. The amplifying circuit may be a triode amplifying circuit. The relay device is connected with a GPIO port of an STM32F030C8T6 high-performance microcontroller through a triode amplifying circuit, when the temperature exceeds a first preset temperature threshold value (such as 65 ℃), the microcontroller sends a small current signal, the signal drives the relay to work after being amplified by the amplifying circuit, and then drives the heat dissipation equipment (such as a fan) to cool down, when the temperature collected by the temperature and humidity sensor is lower than a second preset temperature threshold value (such as 55 ℃), the microcontroller sends a second signal, the relay stops working, and the heat dissipation equipment stops working. For humidity control, the operation principle is similar to that of temperature, and the description is not repeated here.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides an intelligence atmospheric control ware, its characterized in that, intelligence atmospheric control ware is installed in high tension switchgear, includes: the temperature and humidity sensor, the interaction device and the relay device are respectively connected with the microcontroller; the relay device is used for connecting the heating device or the heat dissipation device;
the temperature and humidity sensor collects temperature and humidity data of the high-voltage switch cabinet and sends the temperature and humidity data to the microcontroller, and the interaction device sends a preset temperature and humidity threshold value to the microcontroller; the microcontroller processes the temperature and humidity data, compares the processed result with the preset temperature and humidity threshold value, and controls the relay device to drive the heating device or the heat dissipation device to be turned on or off according to the comparison result;
further comprising: the wireless radio frequency device is connected with the microcontroller and is used for connecting an upper computer;
the wireless radio frequency device sends the temperature and humidity data to the upper computer;
the microcontroller is connected with the relay device through the amplifying circuit.
2. The intelligent temperature and humidity controller of claim 1, wherein when the temperature value is greater than a first preset temperature, the microcontroller controls the relay device to drive the heat sink to be turned on;
and when the temperature value is lower than a second preset temperature, the microcontroller controls the relay device to drive the heat dissipation device to be closed.
3. The intelligent temperature and humidity controller of claim 2, wherein when the humidity value is greater than a first preset humidity, the microcontroller controls the relay device to drive the heating device to be turned on;
when the humidity value is smaller than a second preset humidity, the microcontroller controls the relay device to drive the heating device to be closed.
4. The intelligent temperature and humidity controller of claim 1, further comprising a power supply device, wherein the power supply device is connected to the microcontroller, the temperature and humidity sensor, and the relay device, respectively.
5. The intelligent temperature and humidity controller of any one of claims 1-4, wherein the interaction device comprises a nixie tube, a key and an LED indicator light; the nixie tube, the key and the LED indicator light are respectively connected with the microcontroller;
the nixie tube displays the temperature and humidity data;
the key sets the preset temperature and humidity threshold value;
and the LED indicator lamp indicates the working state of the intelligent temperature and humidity controller.
6. The intelligent temperature and humidity controller of claim 5, wherein the interaction device further comprises a shift register, and the nixie tube is connected to the microcontroller through the shift register.
7. The intelligent temperature and humidity controller of claim 6, wherein the interaction device further comprises a resistor, and the button is connected to the microcontroller through the resistor.
8. The intelligent temperature and humidity controller of claim 1, wherein the amplifying circuit is a triode amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220309.2U CN211478979U (en) | 2019-12-11 | 2019-12-11 | Intelligent temperature and humidity controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220309.2U CN211478979U (en) | 2019-12-11 | 2019-12-11 | Intelligent temperature and humidity controller |
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| Publication Number | Publication Date |
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| CN211478979U true CN211478979U (en) | 2020-09-11 |
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| CN201922220309.2U Active CN211478979U (en) | 2019-12-11 | 2019-12-11 | Intelligent temperature and humidity controller |
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| CN (1) | CN211478979U (en) |
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Address after: No.17 Huanzhen Road, Chihua residential committee, Chencun Town, Shunde District, Foshan City, Guangdong Province Patentee after: Shenghui Holdings Limited Address before: No.38, Baichen Road, Nanchong neighborhood committee, Chencun Town, Shunde District, Foshan City, Guangdong Province Patentee before: SUNFLY ELECTRONICS HOLDINGS Co.,Ltd. |
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