CN204228272U - A kind of Radio infrared digital thermometer - Google Patents
A kind of Radio infrared digital thermometer Download PDFInfo
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- CN204228272U CN204228272U CN201420637828.3U CN201420637828U CN204228272U CN 204228272 U CN204228272 U CN 204228272U CN 201420637828 U CN201420637828 U CN 201420637828U CN 204228272 U CN204228272 U CN 204228272U
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Abstract
The utility model discloses a kind of Radio infrared digital thermometer, this thermometer comprises collection and sends subsystem and receive display subsystem, described collection sends subsystem and comprises for gathering distribution temperature information first core cpu module, first power module, for the temperature measurement module of sensing temperature and the sending module for wireless transmission temperature information, described reception display subsystem comprises the second core cpu module for reading distribution temperature information, second source module, for the receiver module of wireless receiving temperature information and the LCD MODULE for displays temperature information, described first core cpu module connects the first power module respectively, temperature measurement module and sending module, described second core cpu module connects second source module respectively, receiver module and LCD MODULE.Adopt technical solutions of the utility model, realize the high-acruracy survey of the pollution-free formula of noncontact, and precision is high, long distance of signal transmission, response is fast, low in energy consumption.
Description
Technical field
The utility model belongs to technical field of temperature measurement, is specifically related to a kind of Radio infrared digital thermometer.
Background technology
In fields such as Medical Devices research and development manufactures, realize high-precision temperature survey in body temperature environs the validity and reliability tool improving Medical Devices is of great significance, current existing digital thermometer also has a variety of, if application number is the utility model of 201310408612.X, the DIE Temperature sensor adopted is DS18B20, the measuring precision is not high enough, although the utility model that the patent No. is 201310648626.9 have employed high-precision infrared digital thermometer equally, but what adopt due to it is Zigbee wireless transport module, the penetrability of data transmission is not enough, transmission range is shorter.
Utility model content
The purpose of this utility model is to overcome prior art Problems existing, provides a kind of Radio infrared digital thermometer.The automatic single-body that this device can complete vacuum test tube transports, efficiency is high, when inserting vacuum test tube, the packaging only need opening vacuum test tube is poured in hopper, the independent separation of vacuum test tube is completed by two centrifugal pans, finally single vacuum test tube falls into single tube-placing groove, then when vacuum test tube being fallen by the reversing arrangement of below, the mouth of pipe is towards unification.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of Radio infrared digital thermometer, this thermometer comprises the collection transmission subsystem of employing wireless mode communication and receives display subsystem, and gather transmission subsystem and be arranged on measured object place, reception display subsystem arranges the arbitrary place in wireless signal coverage;
Described collection send subsystem comprise for gather distribution temperature information first core cpu module, the first power module, for the temperature measurement module of sensing temperature and the sending module for wireless transmission temperature information;
Described reception display subsystem comprise for read distribution the second core cpu module of temperature information, second source module, for the receiver module of wireless receiving temperature information and the LCD MODULE for displays temperature information;
Described first core cpu module is connected with temperature measurement module with UART interface by the simulation SPI of common i/o port, first core cpu module is connected with sending module by UART interface, and the second core cpu module is connected with LCD MODULE with receiver module respectively by two UART serial ports.
Further, described first core cpu module and the second core cpu module adopt the MSP430F449 single-chip microcomputer of TI company.
Further, described temperature measurement module adopts the MLX90614-DAA infrared temperature sensor of Melexis company, and directly export total Linearization and to the digital temperature that environment temperature compensates, and its temperature way of output comprises digital PWM exports and SMBus interface exports two kinds.
Further, described sending module and receiver module adopt the wireless transparent transmission mode of 433MHz, adopt the high-performance CC1101 wireless communication process chip of TI company.
Further, described LCD MODULE adopts LCD048 type 7 half segment code type digital LCDs.
The beneficial effects of the utility model are:
1) can realize the high-acruracy survey of the pollution-free formula of noncontact, in 32 DEG C of-42 DEG C of temperature ranges, measuring accuracy reaches 0.2 DEG C.
2) improve the penetrability of data transmission, expanding transmission distance.
3) level of integrated system is high, fast response time, and system power dissipation is low.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present utility model;
Fig. 2 sends subsystem structure block diagram for gathering;
Fig. 3 is for receiving subsystem configuration block diagram.
Number in the figure illustrates: 1. the first core cpu module, 2. the first power module, 3. temperature measurement module, 4. sending module, 5. the second core cpu module, 6. second source module, 7. receiver module, 8. LCD MODULE.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Fig. 3, a kind of Radio infrared digital thermometer, comprise and adopt the collection of wireless mode communication send subsystem and receive display subsystem, gather and send subsystem and be placed near the measured object that Medical Devices specify, receive display subsystem owing to adopting wireless receiving mode, in the scope that wireless signal covers, then can be placed on Anywhere required flexibly;
Described collection sends subsystem and comprises for gathering distribution temperature information first core cpu module 1, first power module 2, the temperature measurement module 3 for sensing temperature and the sending module 4 for wireless transmission temperature information;
Described reception display subsystem comprises the second core cpu module 5, second source module 6, the receiver module 7 for wireless receiving temperature information and the LCD MODULE 8 for displays temperature information for reading distribution temperature information;
Described first power module 2 and second source module 6 are respectively each module device gathered in transmission subsystem and reception display subsystem and power.
Described first core cpu module 1 is connected with temperature measurement module 3 with UART interface by the simulation SPI of common i/o port, first core cpu module 1 is connected with sending module 4 by UART interface, and the second core cpu module 5 is connected with LCD MODULE 8 with receiver module 7 respectively by 2 UART serial ports.
Described first core cpu module 1 and the second core cpu module 2 adopt the MSP430F449 single-chip microcomputer of TI company; In the present embodiment, first core cpu module 1 take MSP430F449 as control core, be connected with SDA and the SCL pin of MLX90614 respectively by I/O port P1.5 with P1.6, simulation SMBus protocol, read the target temperature value that MLX90614 collects, utilize the multiplexing function UART serial ports 0 of P2.4 and the P2.5 port of the first core cpu module 1 to send the data after dissection process to 433MHz wireless transparent transmission sending module 4, upload transmission by wireless for measurement result; Second core cpu module 5 is also control core with MSP430F449, P2.4 with the P2.5 pin of the second core cpu module 5UART serial ports 0 is utilized to be connected with RXD with TXD of 433MHz wireless receiving module 7, receive temperature data, and measurement result is sent the video memory in LCD MODULE 8, the S0-S13 of the LCD048 segment code type liquid crystal display that LCD MODULE 8 adopts, S15, COM0-COM3 pin respectively with the S0-S13 of the second core cpu module 5, S15, COM0-COM3 pin is connected, and measurement result is presented on liquid crystal display the most at last
Described temperature measurement module 3 adopts the MLX90614-DAA infrared temperature sensor of Melexis company, and its temperature way of output comprises digital PWM output and SMBus interface exports two kinds, MLX90614-DAA infrared digital thermometer in the present embodiment, be made up of infrared temperature sensor, low noise amplifier, A/ D converter, DSP unit, pulse-width modulation circuit and logic control circuit, directly export total Linearization and to the digital temperature that environment temperature compensates.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a Radio infrared digital thermometer, it is characterized in that, this thermometer comprises the collection transmission subsystem and reception display subsystem that adopt wireless mode communication, and collection sends subsystem and is arranged on measured object place, and reception display subsystem arranges the arbitrary place in wireless signal coverage;
Described collection sends subsystem and comprises for gathering distribution temperature information first core cpu module (1), the first power module (2), the temperature measurement module (3) for sensing temperature and the sending module (4) for wireless transmission temperature information;
Described reception display subsystem comprises the second core cpu module (5), second source module (6), the receiver module (7) for wireless receiving temperature information and the LCD MODULE (8) for displays temperature information for reading distribution temperature information;
Described first core cpu module (1) is connected with temperature measurement module (3) with UART interface by the simulation SPI of common i/o port, first core cpu module (1) is connected with sending module (4) by UART interface, and the second core cpu module (5) is connected with LCD MODULE (8) with receiver module (7) respectively by two UART serial ports.
2. Radio infrared digital thermometer according to claim 1, is characterized in that, described first core cpu module (1) and the second core cpu module (2) adopt the MSP430F449 single-chip microcomputer of TI company.
3. Radio infrared digital thermometer according to claim 1, it is characterized in that, described temperature measurement module (3) adopts the MLX90614-DAA infrared temperature sensor of Melexis company, and directly export total Linearization and to the digital temperature that environment temperature compensates, and its temperature way of output comprises digital PWM exports and SMBus interface exports two kinds.
4. Radio infrared digital thermometer according to claim 1, is characterized in that, described sending module (4) and receiver module (7) adopt the wireless transparent transmission mode of 433MHz, adopt the high-performance CC1101 wireless communication process chip of TI company.
5. Radio infrared digital thermometer according to claim 1, is characterized in that, described LCD MODULE (8) adopts LCD048 type 7 half segment code type digital LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637828.3U CN204228272U (en) | 2014-10-31 | 2014-10-31 | A kind of Radio infrared digital thermometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637828.3U CN204228272U (en) | 2014-10-31 | 2014-10-31 | A kind of Radio infrared digital thermometer |
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| CN204228272U true CN204228272U (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374477A (en) * | 2014-10-31 | 2015-02-25 | 中国科学院苏州生物医学工程技术研究所 | Wireless infrared digital thermometer |
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2014
- 2014-10-31 CN CN201420637828.3U patent/CN204228272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374477A (en) * | 2014-10-31 | 2015-02-25 | 中国科学院苏州生物医学工程技术研究所 | Wireless infrared digital thermometer |
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