CN211783587U - Temperature and humidity monitoring device - Google Patents
Temperature and humidity monitoring device Download PDFInfo
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- CN211783587U CN211783587U CN202020275394.2U CN202020275394U CN211783587U CN 211783587 U CN211783587 U CN 211783587U CN 202020275394 U CN202020275394 U CN 202020275394U CN 211783587 U CN211783587 U CN 211783587U
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- humidity
- humidity sensor
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 3
- 210000000056 organ Anatomy 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model provides a temperature and humidity monitoring devices, including the main control chip, photovoltaic controller, solar panel, high temperature resistant group battery, temperature and humidity sensor, the charactron display screen, wireless communication module, bee calling organ warning circuit, photovoltaic controller's photovoltaic input termination solar panel's output, photovoltaic controller's battery output termination high temperature resistant group battery, photovoltaic controller's load output termination main control chip's power supply pin, temperature and humidity sensor is connected to main control chip's signal acquisition pin, the signal of real-time receipt temperature and humidity value, charactron display screen is connected to main control chip's an output, wireless communication module is connected to another output, the bee calling organ warning circuit who comprises triode, resistance and bee calling organ is connected to an output. The utility model provides a current wired equipment's communication cable lay the loaded down with trivial details problem of debugging step, make things convenient for the engineering personnel to change the monitoring point at any time as required simultaneously, simple structure need not the installation and lays the cable, has very strong self-sustaining power and reliability.
Description
Technical Field
The utility model belongs to the technical field of the environmental detection, concretely relates to monitoring devices that can automatic alarm under uniform temperature and humidity condition.
Background
Temperature and humidity monitoring equipment is widely applied to industrial production and daily life, and the following are mainly used widely at present:
1. ordinary domestic warm and humid acidimeter, the device range is short, and the precision is low, and unable remote monitoring can't satisfy the industrial production demand.
2. The handheld temperature and humidity detection equipment is small in size and convenient to carry, if temperature and humidity data need to be monitored, monitoring personnel need to enter an environment to be monitored and cannot perform remote monitoring, and the equipment is not suitable for areas which are inconvenient to reach and dangerous areas;
3. fixed wired humiture monitoring station, this equipment uses comparatively extensively at the industrial field, has solved the problem and not enough that above-mentioned two kinds of monitoring devices exist, but bulky, need fix on ground during the installation, and manufacturing cost is higher, and portability and flexibility are poor, inconvenient change monitoring point.
Disclosure of Invention
The utility model aims at providing a collect remote terminal control and on-the-spot monitoring in humiture monitoring device of an organic whole, simple structure is small, and portable can the on-the-spot monitoring also can remote monitoring detect.
In order to achieve the above object, the utility model provides a temperature and humidity monitoring device, its characterized in that: the solar photovoltaic temperature and humidity sensor comprises a main control chip, a photovoltaic controller, a solar panel, a high-temperature resistant battery pack, a temperature and humidity sensor, a nixie tube display screen, a wireless communication module and a buzzer alarm circuit, wherein a photovoltaic input end of the photovoltaic controller is connected with an output end of the solar panel, a storage battery output end of the photovoltaic controller is connected with the high-temperature resistant battery pack, a load output end of the photovoltaic controller is connected with a power supply pin of the main control chip, a signal acquisition pin of the main control chip is connected with the temperature and humidity sensor and receives a signal of a temperature and humidity value in real time, one output end of the main control chip is connected with the nixie tube display screen, the other output end of the main.
The communication of the device adopts 2.4G wireless transmission, and electric signals which need to be transmitted by a fixed wired temperature and humidity monitoring station through a communication cable are transmitted to a remote upper computer in a wireless mode, so that the problem that the existing wired equipment is inconvenient to carry is solved under the condition that the communication efficiency and stability are ensured, and the volume is reduced; the device makes through the mode that increases solar panel and group battery the utility model discloses small in size makes things convenient for the engineering personnel to change the monitoring point, need not to charge, has stronger self-sustaining power and reliability.
The master control chip adopts an STC15 master control chip, and a pin 25 of the master control chip receives signals of a DHT22 temperature and humidity sensor; pins 15 and 16 of the STC15 main control chip are clock signal lines and data signal lines of the nixie tube display screen; pins 18 and 20 of the STC15 main control chip are power lines and ground lines, and a red LED lamp is connected in series in the middle of the main control chip and used as a power indicator; the STC15 main control chip pin 21 and pin 22 are a data sending end and a data receiving end of the wireless communication module; the pin 34 of the main control chip is connected with a buzzer alarm circuit which is composed of a triode, a resistor and a buzzer.
The wireless communication module is a hardware circuit containing NRF24L 01.
The temperature and humidity sensor is a DHT22 temperature and humidity sensor.
The solar panel model is CNC340X 220.
The utility model discloses a photovoltaic controller connects main control chip, and DHT22 temperature and humidity sensor is connected to the main control chip input, receives DHT22 temperature and humidity sensor's signal, collects temperature and humidity value in real time to the data information who will gather transmits for long-range host computer through NRF24L01 wireless communication module, in time makes real-time early warning to the dangerous situation. The device's communication adopts 2.4G wireless transmission, under the circumstances of guaranteeing communication efficiency and stability, has solved the communication cable of current wired equipment and has laid the loaded down with trivial details problem of debugging step, makes things convenient for the engineering personnel to change the monitoring point at any time as required simultaneously, the utility model discloses simple structure need not the installation and lays the cable, has very strong self-sustaining power and reliability.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of the connection of the main control chip and the buzzer alarm circuit of the present invention;
fig. 3 is a schematic diagram of an interface of a DHT22 temperature and humidity sensor according to the present invention;
figure 4 is a schematic diagram of an NRF24L01 wireless communication module interface.
Detailed Description
As shown in fig. 1, the utility model discloses specific embodiment includes MPPT photovoltaic controller, charactron display screen, DHT22 temperature and humidity sensor, NRF24L01 wireless communication module, the buzzer warning circuit that STC15 master control chip and its interface circuit connect respectively. The NRF24L01 wireless communication module is a single-chip wireless transceiver chip working in the 2.4-2.5GHz universal ISM frequency band. The photovoltaic input end of the photovoltaic controller is connected with the output end of the solar panel, the storage battery output end of the photovoltaic controller is connected with the high-temperature-resistant battery pack, the load output end of the photovoltaic controller is connected with the power supply pin of the main control chip, the signal acquisition pin of the main control chip is connected with the temperature and humidity sensor and receives the signals of the temperature and humidity value in real time, one output end of the main control chip is connected with the nixie tube display screen, the other output end of the main control chip is connected with the wireless communication module, and the other output end of the main control chip is connected.
The DHT22 temperature and humidity sensor adopts a single bus communication mode, is a temperature and humidity composite sensor with calibrated digital signal output, applies a special digital module acquisition technology and a temperature and humidity sensing technology, has the characteristics of wide measurement interval, high response speed, strong anti-interference capability, high cost performance and the like, and ensures that a product has extremely high reliability and excellent long-term stability.
Because the working environment of the equipment is severe, the temperature in the direct solar radiation box is higher in summer, and the outdoor temperature is lower in winter, a 3.7V wide-temperature-range polymer lithium battery with a middle-order core is selected as the storage battery to form a 12.6V high-temperature-resistant battery pack.
The photovoltaic input end of the MPPT photovoltaic controller is connected with the output end of the solar panel; the output end of a storage battery of the MPPT photovoltaic controller is connected with a 12.6v high-temperature-resistant battery pack (12.6v battery pack); and the load output end of the MPPT photovoltaic controller is connected with an STC15 main control chip power supply pin of an STC15 main control chip. The solar panel utilizes the photoelectric effect to directly convert solar radiation into electric energy because the solar panel is influenced by sunlight and the power supply voltage fluctuates at 16-25v, and the generated electric energy is directly transmitted to the MPPT photovoltaic controller because the solar panel is influenced by sunlight and the power supply voltage fluctuates at 16-25 v. The MPPT controller can detect the generated voltage of the solar panel in real time and track the maximum voltage current Value (VI), so that the device can charge the 12.6V battery pack while supplying power to a load through maximum power output. The MPPT photovoltaic controller is applied to a solar photovoltaic system, coordinates the work of a solar panel, a 12.6v high-temperature-resistant battery pack and a load, and is the brain of the photovoltaic system. Solar energy is utilized to supply power to the device and charge the battery pack in the daytime, the battery pack is used to supply power to the device at night and when illumination is insufficient, charging is not needed, maintenance is not needed, and 24-hour continuous monitoring and early warning can be achieved.
The input end of the STC15 main control chip is connected with a DHT22 temperature and humidity sensor, signals of the sensor are received, the current temperature and humidity value is displayed through a nixie tube display screen by collecting the temperature and humidity value in real time, and meanwhile, the STC15 main control chip transmits the collected data information to a remote upper computer through an NRF24L01 wireless communication module. The DHT22 temperature and humidity sensor detects the temperature or humidity change of a working environment in real time, the capacitance type humidity sensing element in the sensor detects the environment change, a signal is sent to the STC15 main control chip, when the temperature or the humidity reaches or exceeds a preset temperature or humidity value, the buzzer alarm circuit is driven to work, and equipment sends out alarm sound. Meanwhile, the STC15 main control chip transmits the acquired data information and the alarm signal to a remote upper computer through an NRF24L01 wireless communication module to give an alarm in real time.
As shown in fig. 2, the main control chip selects an STC15F2K60S2 ultra-high speed STC15 series 1T 8051 single chip microcomputer as the main control chip. The lead pin 25 of the STC15 main control chip receives a DHT22 temperature and humidity sensor signal Tem; pins 15 and 16 of the STC15 main control chip are a clock signal line SCL and a data signal line SDA of the nixie tube display screen; pins 18 and 20 of the STC15 main control chip are power lines VCC and a ground line GND, and a red LED lamp is connected in series in the middle of the pins as a power indicator; the STC15 master control chip pin 21 and pin 22 are a data transmitting terminal TXD and a data receiving terminal RXD of the N2F24L01 wireless communication module; the pin 34 of the main control chip is connected with a buzzer alarm circuit which is composed of a triode, a resistor and a buzzer.
Fig. 3 is a schematic diagram of DHT22 temperature and humidity sensor interface pins. The power line VCC, the temperature and humidity signal line (Tem) and the ground line GND are arranged from top to bottom in sequence.
The NRF24L01 wireless communication module interface pin diagram shown in fig. 4. The power line VCC, the ground line GND, the data receiving terminal RXD and the data transmitting terminal TXD are arranged from top to bottom in sequence.
Claims (5)
1. The utility model provides a temperature and humidity monitoring device which characterized in that: the solar photovoltaic temperature and humidity sensor comprises a main control chip, a photovoltaic controller, a solar panel, a high-temperature resistant battery pack, a temperature and humidity sensor, a nixie tube display screen, a wireless communication module and a buzzer alarm circuit, wherein a photovoltaic input end of the photovoltaic controller is connected with an output end of the solar panel, a storage battery output end of the photovoltaic controller is connected with the high-temperature resistant battery pack, a load output end of the photovoltaic controller is connected with a power supply pin of the main control chip, a signal acquisition pin of the main control chip is connected with the temperature and humidity sensor and receives a signal of a temperature and humidity value in real time, one output end of the main control chip is connected with the nixie tube display screen, the other output end of the main.
2. The temperature and humidity monitoring device according to claim 1, wherein: the master control chip adopts an STC15 master control chip, and a pin 25 of the master control chip receives signals of the temperature and humidity sensor; pins 15 and 16 of the STC15 main control chip are clock signal lines and data signal lines of the nixie tube display screen; pins 18 and 20 of the STC15 main control chip are power lines and ground lines, and a red LED lamp is connected in series in the middle of the main control chip and used as a power indicator; the STC15 main control chip pin 21 and pin 22 are a data sending end and a data receiving end of the wireless communication module; the pin 34 of the main control chip is connected with a buzzer alarm circuit which is composed of a triode, a resistor and a buzzer.
3. The temperature and humidity monitoring device according to claim 1, wherein: the wireless communication module is a hardware circuit containing NRF24L 01.
4. The temperature and humidity monitoring device according to claim 1, wherein: the temperature and humidity sensor is a DHT22 temperature and humidity sensor.
5. The temperature and humidity monitoring device according to claim 1, wherein: the solar panel model is CNC340X 220.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275394.2U CN211783587U (en) | 2020-03-09 | 2020-03-09 | Temperature and humidity monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275394.2U CN211783587U (en) | 2020-03-09 | 2020-03-09 | Temperature and humidity monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783587U true CN211783587U (en) | 2020-10-27 |
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ID=72938890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275394.2U Active CN211783587U (en) | 2020-03-09 | 2020-03-09 | Temperature and humidity monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211783587U (en) |
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2020
- 2020-03-09 CN CN202020275394.2U patent/CN211783587U/en active Active
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Effective date of registration: 20240109 Address after: Room 1703, Unit 2, Building 6, Datang Dongfang Shengshi, Economic Development Zone, Changchun City, Jilin Province, 130022 Patentee after: Jilin Jingcheng Boyuan Electric Power Technology Co.,Ltd. Address before: Chaoyang District City, Jilin province Changchun wide road 130012 No. 395 Patentee before: CHANGCHUN INSTITUTE OF TECHNOLOGY |