CN202013641U - Intelligent multi-point temperature measurement wireless transmitter - Google Patents
Intelligent multi-point temperature measurement wireless transmitter Download PDFInfo
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- CN202013641U CN202013641U CN2011200017540U CN201120001754U CN202013641U CN 202013641 U CN202013641 U CN 202013641U CN 2011200017540 U CN2011200017540 U CN 2011200017540U CN 201120001754 U CN201120001754 U CN 201120001754U CN 202013641 U CN202013641 U CN 202013641U
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A temperature measurement transmitter belongs to the fields of computer technologies, electrician electronic technologies, and automation, and particularly relates to an intelligent multi-point temperature measurement wireless transmitter. The wireless transmitter comprises a system chip (1), a crystal oscillator circuit (2), a wireless transmission transceiver circuit (3), a single-bus wiring terminal (4) and a battery (5), wherein the system chip (1) and the crystal oscillator circuit (2) are mutually connected; the wireless transmission transceiver circuit (3) and the system chip (1) are mutually connected; the single-bus wiring terminal (4) and the system chip (1) are mutually connected; and the battery (5) supplies power for the system chip (1), the crystal oscillator circuit (2), the wireless transmission transceiver circuit (3), and the single-bus wiring terminal (4). The wireless transmitter which can be in wireless communication with a host computer and is mainly used in temperature measurement and transmission has the characteristics of simplicity and high efficiency, wireless intelligent information transmission, strong anti-interference ability, small workload, less cable conductors, convenience in application and low cost.
Description
Technical field
The utility model belongs to computer technology, electrical and electronic technology and automatic field, is specifically related to a kind of intelligent multipoint temperature measuring Wireless Transmitter.
Background technology
Measuring temperature is that all trades and professions are used maximum, 2 cables of every some needs of measurement temperature in the past could be sent to signal on the required equipment, so not only cable is very many but also quantities is also big especially, therefore be sought after the few and intelligentized wireless multipoint thermometric transmitter of a kind of cable, can in a lot of engineering reality, use.
Summary of the invention
The purpose of the utility model patent is to provide a kind of intelligent multipoint temperature measuring Wireless Transmitter, overcomes the very many and also king-sized shortcoming of quantities of multimetering temperature cable in the past, can and upper machine communication, finish temperature control.Be mainly used in barn temperature measuring, in the temperature control system of needs such as food storage, freezer, greenhouse control temperature, be widely used, temperature measurement range is in-10 ℃～+ 85 ℃ scopes, have ± 0.5 ℃ precision, and have simple efficient, information and transmit the characteristics that wireless penetration, intellectuality, antijamming capability are strong, be convenient to use.The utility model is made up of System on Chip/SoC (1), crystal oscillating circuit (2), wireless transmission transmission circuit (3), unibus connection terminal (4), battery (5).Their annexation is: crystal oscillating circuit (2) is connected with System on Chip/SoC (1), wireless transmission transmission circuit (3) is connected with System on Chip/SoC (1), unibus connection terminal (4) is connected with System on Chip/SoC (1), battery (5) is given System on Chip/SoC (1), crystal oscillating circuit (2), wireless transmission transmission circuit (3), unibus connection terminal (4) power supply, and battery (5) adopts No. 5 common batteries of 2 joints to get final product.
Wireless transmission adopts the ZigBee wireless transmission, ZigBee one etymology is notified information such as the relevant pollen of other honeybees position from honeybee by the dancing of jumping the ZIGZAG shape, to reach the purpose that conveys a message each other, meaning whereby, ZigBee is as the name of ng mobile communication.Before this, ZigBee is also referred to as " HomeRF Lite ", " RF-EasyLink " or " firefly " radiotelegraphy, be referred to as ZigBee at present, it has the radio standard of oneself, coordinates to realize communication between thousands of kinds of small sensors mutually, and distance is 30～70m.
Described System on Chip/SoC (1) has been selected the CC2430 chip of Chipcon company, the principal feature of CC2430 chip has: the 8051 microcontrollers nuclear of 32MHz single command cycle low-power consumption, the RF wireless set of integrated compatible IEEE802.15.4 standard 2.4GHz frequency range; The SRAM of 8KB, wherein 4KB can keep data under all power consumption modes; The 7*7mmQLP encapsulation of compatible ROHS; 4 kinds of power consumption modes able to programme; Programmable WatchDog Timer; The electrification reset function; The support hardware debug function; Good wireless receiving sensitivity and powerful anti-interference; Only the stream of 0.9 μ A consumes when park mode, external interrupt or RTC energy waken system; The stream consumption that when standby mode, is less than 0.6 μ A, external interrupt energy waken system; Hardware supported CSMA/CA function; The voltage range (0.2～3.6V) of broad; Digitized RSS/LQ1 supports and powerful DMA function; Have battery detection and temperature sensing function; Integrated 14 analog-to-digital ADC; Integrated AES security coprocessor; Have 2 USART powerful, that support several groups of agreements, and a MAC timer that meets the IEEE802.15.4 standard, 16 bit timers of a routine and 28 bit timers.
Described crystal oscillating circuit (2) comprises oscillator 1, capacitor C 1, capacitor C 2, capacitor C 3, capacitor C 4, oscillator 2, oscillator 1 adopts MC306 crystal oscillator chip, oscillator 2 adopts SM322S crystal oscillator chip, according to two clock crystal oscillators of System on Chip/SoC (1) need of work, first is 32MHz, for wireless receiving and dispatching provides clock, second is 32.068KHz, for sleep pattern provides clock, the crystal oscillator chip MC306 provide 32.068KHz crystal oscillator, and the crystal oscillator chip SM322S provide 32MHz crystal oscillator.
Described unibus connection terminal (4) plays the temperature sensor effect that connects, the utility model temperature sensor that matches is to close the novel 1-wire digital temperature sensor chip DS18B20 that state DALLAS company produces, it has simple in structure, do not need outward element, adopt an I/O data line not only can power but also can transmit data, and the characteristics of temperature alarming boundary can be set by the user, DS18B20 is in the food storage, freezer, grain depot, be widely used in the temperature control system of needs such as greenhouse control temperature, therefore adopt DS18B20, it has two kinds of power supply modes: directly power supply and parasitic power supply, adopt direct feeding system at this, unibus connection terminal (4) is connected with 8 pins of P0 mouth of System on Chip/SoC (1), and be connected with resistor chain 1, unibus connection terminal (4) also is connected with 8 pins of P1 mouth of System on Chip/SoC (1), and be connected with resistor chain 2, unibus connection terminal (4) and System on Chip/SoC (1) totally 16 pins are connected, each pin can be received No. 8 temperature sensors, at this maximum 16 * 8=128 road temperature survey point.
Wireless transmission transmission circuit described in the utility model (3) adopts PCB wireless antenna circuit, and PCB wireless antenna circuit is on circuit board.
The utility model principle of work: temperature sensor chip DS18B20 is by unibus connection terminal (4), RF_P pin, TXRX_SWTTCH pin and the RF_N pin of temperature information by System on Chip/SoC (1) that the information of collecting temperature is sent to after System on Chip/SoC (1) System on Chip/SoC (1) is handled is transferred to wireless transmission transmission circuit (3), and host computer obtains temperature information by the signal that wireless transmission transmission circuit (3) sends.
The characteristics that the utlity model has that circuit is simple efficient, information transmits wireless penetration, intellectuality, antijamming capability is strong, quantities is little, cable is few, be convenient to use, cost are low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the synoptic diagram that the utility model System on Chip/SoC is connected with crystal oscillating circuit.
Fig. 3 is the synoptic diagram that the utility model System on Chip/SoC is connected with the unibus connection terminal.
Fig. 4 is the System on Chip/SoC of the utility model circuit structure diagram and the synoptic diagram that the wireless transmission transmission circuit adopts PCB wireless antenna circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is that structural representation of the present utility model is made up of System on Chip/SoC (1), crystal oscillating circuit (2), wireless transmission transmission circuit (3), unibus connection terminal (4), battery (5); Fig. 2 is the synoptic diagram that the utility model System on Chip/SoC (1) is connected with crystal oscillating circuit (2), System on Chip/SoC (1) adopts CC2430, according to two clock crystal oscillators of CC2430 need of work, first is 32MHz, for wireless receiving and dispatching provides clock, second is 32.068KHz, for the sleeping eyes pattern provides clock, the crystal oscillator chip MC306 provide 32.068KHz crystal oscillator, and the crystal oscillator chip SM322S provide 32MHz crystal oscillator; Fig. 3 is the synoptic diagram that the utility model System on Chip/SoC (1) is connected with unibus connection terminal (4), unibus connection terminal (4) is connected with 8 pins of P0 mouth of System on Chip/SoC (1), and be connected with resistor chain 1, unibus connection terminal (4) also is connected with 8 pins of P1 mouth of System on Chip/SoC (1), and be connected with resistor chain 2, unibus connection terminal (4) and System on Chip/SoC (1) totally 16 pins are connected, each pin can be received No. 8 temperature sensors, at this maximum 16 * 8=128 road temperature survey point; Fig. 4 is the System on Chip/SoC (1) of the utility model circuit structure diagram and the synoptic diagram that wireless transmission transmission circuit (3) adopts PCB wireless antenna circuit, the information of collecting temperature is sent to System on Chip/SoC (1), temperature information after System on Chip/SoC (1) is handled is transferred to wireless transmission transmission circuit (3) by RF_P pin, TXRX_SWTTCH pin and the RF_N pin of System on Chip/SoC (1), and host computer obtains temperature information by the signal that wireless transmission transmission circuit (3) sends.
The wireless transmission of finishing measurement of 128 road temperature spots and information also needs corresponding software, software comprises the two large divisions: one is the DS18B20 temperature sensor section, another is System on Chip/SoC (a 1) part, and DS18B20 temperature sensor section software comprises DS18B20 program on the initialization unibus, carry out temperature conversion program and read the temperature value program of DS18B20; System on Chip/SoC (1) part software comprises initialize routine, ZigBee wireless transmission router and the reception program of ZigBee wireless transmission.
Claims (3)
1. intelligent multipoint temperature measuring Wireless Transmitter, comprise System on Chip/SoC (1), crystal oscillating circuit (2), wireless transmission transmission circuit (3), unibus connection terminal (4), battery (5) is formed, it is characterized in that, crystal oscillating circuit (2) is connected with System on Chip/SoC (1), wireless transmission transmission circuit (3) is connected with System on Chip/SoC (1), unibus connection terminal (4) is connected with System on Chip/SoC (1), battery (5) is given System on Chip/SoC (1), crystal oscillating circuit (2), wireless transmission transmission circuit (3), unibus connection terminal (4) power supply, host computer obtains temperature information by the signal that wireless transmission transmission circuit (3) sends.
2. a kind of intelligent multipoint temperature measuring Wireless Transmitter as claimed in claim 1, it is characterized in that, described unibus connection terminal (4) is connected with 8 pins of P0 mouth of System on Chip/SoC (1), and be connected with resistor chain 1, unibus connection terminal (4) also is connected with 8 pins of P1 mouth of System on Chip/SoC (1), and be connected with resistor chain 2, unibus connection terminal (4) and System on Chip/SoC (1) totally 16 pins also are connected, each pin can be received No. 8 temperature sensors, at this maximum 16 * 8=128 road temperature survey point.
3. a kind of intelligent multipoint temperature measuring Wireless Transmitter as claimed in claim 1 is characterized in that, described wireless transmission transmission circuit (3) adopts PCB wireless antenna circuit, and PCB wireless antenna circuit is on circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017540U CN202013641U (en) | 2011-01-06 | 2011-01-06 | Intelligent multi-point temperature measurement wireless transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200017540U CN202013641U (en) | 2011-01-06 | 2011-01-06 | Intelligent multi-point temperature measurement wireless transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013641U true CN202013641U (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200017540U Expired - Fee Related CN202013641U (en) | 2011-01-06 | 2011-01-06 | Intelligent multi-point temperature measurement wireless transmitter |
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| Country | Link |
|---|---|
| CN (1) | CN202013641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508505A (en) * | 2011-11-02 | 2012-06-20 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
| CN102592416A (en) * | 2011-01-06 | 2012-07-18 | 佳木斯大学 | Intelligent multi-point temperature measurement wireless transmitter |
-
2011
- 2011-01-06 CN CN2011200017540U patent/CN202013641U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592416A (en) * | 2011-01-06 | 2012-07-18 | 佳木斯大学 | Intelligent multi-point temperature measurement wireless transmitter |
| CN102508505A (en) * | 2011-11-02 | 2012-06-20 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
| CN102508505B (en) * | 2011-11-02 | 2013-10-02 | 东北电力大学 | Automatic thermostatic control instrument for swimming pool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20120106 |