CN205537993U - Temperature alarm device - Google Patents

Abstract

The utility model discloses a temperature alarm device, including temperature data collection module and alarm module and be connected to the singlechip respectively, the singlechip is still connected and is provided with data storage module, clock module, LED pilot lamp and display module, and the singlechip adopts the stm32f103vet6 chip, temperature data collection module adoption DS18B20 sensor, and the LED pilot lamp comprises the LED banks of three kinds of different colours. The time information that temperature data collection module gathered actual environment temperature data and clock module is in real time received simultaneously to the singlechip, convey to the enterprising line display of display module after MCU processing, temperature data and time information storage are so that look over the analysis for relevant personnel in data storage module, the LED pilot lamp carries out the scintillation of corresponding colour during temperature in the temperature of gathering exceedes the prescribed limit, in order to instruct different state of temperatures, bee calling organ carries out corresponding work simultaneously. The utility model discloses simple structure, single chip microcomputer control is adopted in the easy access installation, and is with low costs.

Description

A temperature alarm device

technical field

The utility model relates to a temperature alarm device, which belongs to the technical field of temperature monitoring.

Background technique

Temperature measurement and related alarm control are commonly used in daily life and production, such as bakery, incubator, freezer and some vegetable greenhouses and other places. For these places, temperature measurement and alarm control are extremely important. At this stage, there are many types of temperature alarm devices with complete functions. Although they can perform real-time and accurate temperature measurement and alarm control, the problems faced by these temperature alarm devices It is inconvenient to overhaul and install, the state of the over-temperature indication is not obvious, the data cannot be saved and transmitted, and the single-chip microcomputer is rarely used for intelligent control, and the cost is relatively high.

Utility model content

The technical problem to be solved by the utility model is: to provide a temperature alarm device, which has a simple structure, is easy to repair and install, has an obvious over-temperature indication state, has a data storage function, and is controlled by a single-chip microcomputer at the same time, and the cost is low.

The purpose of this utility model is achieved by the following technical solutions:

A temperature alarm device, comprising a temperature data acquisition module and an alarm module, characterized in that: the temperature data acquisition module and the alarm module are respectively connected to a single-chip microcomputer, and the single-chip microcomputer is also connected with a data storage module, a clock module, an LED indicator light and As for the display module, the single-chip microcomputer adopts the stm32f103vet6 chip, the temperature data acquisition module adopts the DS18B20 sensor, and the LED indicator light is composed of three LED light groups of different colors.

Preferably, the single-chip microcomputer is connected with an interface module, and the interface module adopts a USB interface. The USB interface is easy to use, combined with the processing of the single-chip microcomputer, the data information in the data storage module is transmitted to the device with the USB interface through the USB interface so that relevant personnel can view and analyze it.

The above display module adopts LCD12864 liquid crystal screen. The LCD screen has the performance of low voltage, low power consumption, and stable display and recording. It mainly displays the current temperature data and corresponding time information. When the work exceeds the specified range, it will display the ERROR state.

The LED indicator light is composed of three LED light groups of red, yellow and green colors. Three colors are used to indicate different temperature states. The upper limit value beyond the temperature range set by the single-chip microcomputer flashes red light, and the lower limit value beyond the temperature range set by the single-chip microcomputer flashes yellow light. A green light is displayed.

The alarm adopts a buzzer. The buzzer is adopted, the structure is simple, the maintenance is convenient, and the cost is reduced.

The clock module is composed of DS1302 real-time clock chip. The chip can time the year, month, day, week, hour, minute and second, with high performance and low power consumption. Obtain the required time information through the clock module.

The data storage module adopts SD card. The SD card is convenient for storage and has a large storage capacity.

A power button is connected to the single chip microcomputer. The power button is used to control the opening and closing of the microcontroller.

By adopting the above-mentioned technical scheme, compared with the prior art, the beneficial effects of the utility model are as follows:

1. The single-chip microcomputer simultaneously receives the temperature data acquisition module to collect the actual environmental temperature data and the time information of the clock module in real time, and after processing by the single-chip microcomputer, it is sent to the display module for display. At the same time, the single-chip microcomputer also stores the processed temperature data and time information In the data storage module so that relevant personnel can view the analysis. When the collected temperature exceeds the temperature within the specified range, the single-chip microcomputer controls the LED indicator light to flash in corresponding colors to indicate different temperature states, and the buzzer performs corresponding work.

2. The DS18B20 sensor used in the temperature data acquisition module is connected to the single-chip microcomputer using a three-wire system. There is no need to add a converter in the middle. The hardware is simple and easy to operate. The temperature measurement range is -55°C~+125°C, and the maximum resolution is 0.0625°C. High precision and anti-interference strong ability. The single-chip microcomputer adopts the stm32f103vet6 chip, which is rich in internal and external resources, and the control accuracy and operation speed are sufficient to meet the needs. The utility model has simple structure, is convenient for maintenance and installation, is controlled by a single-chip microcomputer, and has low cost.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is further introduced:

A temperature alarm device, comprising a temperature data acquisition module and an alarm module, characterized in that: the temperature data acquisition module and the alarm module are respectively connected to a single-chip microcomputer, and the single-chip microcomputer is also connected with a data storage module, a clock module, an LED indicator light and As for the display module, the single-chip microcomputer adopts the stm32f103vet6 chip, the temperature data acquisition module adopts the DS18B20 sensor, and the LED indicator light is composed of three LED lamp groups of different colors. The single-chip microcomputer is connected with an interface module, and the interface module adopts a USB interface. The microcontroller is powered by the power supply module.

In this embodiment, the display module adopts LCD12864 liquid crystal screen.

Further, the LED indicator lights are composed of LED light groups of three different colors: red, yellow, and green. The alarm adopts a buzzer. The clock module is composed of DS1302 real-time clock chip. The data storage module adopts SD card. A power button is connected to the single chip microcomputer.

The working principle of the utility model is: the single-chip microcomputer simultaneously receives the temperature data acquisition module to collect the actual environment temperature data and the time information of the clock module in real time, and transmits it to the display module for display after being processed by the single-chip microcomputer. At the same time, the single-chip microcomputer also processes the The temperature data and time information are stored in the data storage module for relevant personnel to view and analyze. When the collected temperature exceeds the temperature within the specified range, the single-chip microcomputer controls the LED indicator light to flash in corresponding colors to indicate different temperature states, and the buzzer performs corresponding work. In this embodiment, the three colors of the LED indicator light are used to indicate different temperature states. The upper limit value beyond the temperature range set by the single-chip microcomputer flashes red light, and the lower limit value beyond the temperature range set by the single-chip microcomputer flashes yellow light. , when it is within the temperature range set by the microcontroller, it will display a green light.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (8)

1. a temperature alarm device, including temperature data acquisition module and alarm module, it is characterized in that: described temperature data acquisition module, alarm module are respectively connecting to single-chip microcomputer, single-chip microcomputer is also connected with being provided with data memory module, clock module, LED light and display module, described single-chip microcomputer uses stm32f103vet6 chip, described temperature data acquisition module uses DS18B20 sensor, and described LED light is made up of the LED group of three kinds of different colours.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described single-chip microcomputer is connected with interface module, and this interface module uses USB interface.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described display module uses LCD12864 liquid crystal display screen.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described LED light is made up of the LED group of three kinds of different colours of red, yellow, and green.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described alarm uses buzzer.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described clock module uses DS1302 real-time timepiece chip to constitute.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: described data memory module uses SD card.

A kind of temperature alarm device the most according to claim 1, it is characterised in that: connect on single-chip microcomputer and have power button.