CN202350931U

CN202350931U - Wireless temperature collecting device

Info

Publication number: CN202350931U
Application number: CN2011205075650U
Authority: CN
Inventors: 曾伟; 李隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-08
Filing date: 2011-12-08
Publication date: 2012-07-25
Anticipated expiration: 2021-12-08

Abstract

The utility model discloses a wireless temperature collecting device. The wireless temperature collecting device comprises a transmitting controller and a wireless receiving module, wherein the input end of the transmitting controller is electrically connected with the output end of a temperature sensor, a communication end of the transmitting controller is electrically connected with a wireless transmitting module, the wireless receiving module can be in communication with the wireless transmitting module, the output end of the wireless receiving module is electrically connected with a receiving controller, the output end of the receiving controller is electrically connected with a display screen and an alarm device, and reset ends of the transmitting controller and the receiving controller are respectively and electrically connected with a reset circuit which enables the transmitting controller and the receiving controller to be reset. By adopting the wireless temperature collecting device disclosed by the utility model, the structure is reasonable, the collection is reliable, the maintenance is convenient, the cost is low, and the wireless temperature collecting device is particularly suitable for remote temperature signal collection.

Description

A kind of wireless temperature harvester

Technical field

The utility model relates to a kind of wireless temperature harvester.

Background technology

Temperature detection is one of main measurement parameter in industry or the agriculture measuring system.The detection of temperature is generally all carried out through temperature sensor.Temperature parameter is detected and will detect the process that numerical value is sent to the collection center, just be temperature acquisition.Present temperature collecting device generally comprises the mission controller that input end is electrically connected with the output terminal of temperature sensor, and temperature sensor is the critical piece of detected temperatures, and it mainly acts on is to detect scene temperature in real time and send mission controller to.Mission controller transfers to host computer through RS485 or CAN bus communication mode after receiving the temperature signal that temperature sensor sends.This collection structure picking rate is fast, and weak point is this collection structural wiring trouble, safeguards the comparison difficulty, is unfavorable for industry spot production.Also has a kind of temperature collecting device; Be to carry out the data transmission after the temperature detection through the wireless communication GPRS technology, this collection structural transmission distance, communication are reliable and stable, but design process is complicated; Cost is expensive, is unfavorable for the popularization and application of temperature collecting device.

The utility model content

The technical matters that the utility model will solve is to provide a kind of rational in infrastructure to above-mentioned deficiency, gathers reliably, and is easy to maintenance, and wireless temperature harvester with low cost.

For solving the problems of the technologies described above; This wireless temperature harvester comprises the mission controller that input end is electrically connected with the output terminal of temperature sensor; Its design feature is: the communication terminal of mission controller is electrically connected with wireless transmitter module; Also comprise can with the wireless receiving module of wireless transmitter module communication, the output terminal of wireless receiving module is electrically connected with the reception controller, the output terminal that receives controller is electrically connected with display screen.

The wireless temperature harvester of this structure is to receive structure through wireless transmit to realize gathering reliably, and is easy to maintenance, and with low cost.

Wireless transmit receives structure and mainly comprises and be installed in field temperature sensor and mission controller, the corresponding electrical connection with the input end of mission controller of the output terminal of temperature sensor.Temperature sensor is the critical piece that detects scene temperature, and it mainly acts on is to detect field temperature numerical value in real time, and sends mission controller to after this Temperature numerical changed into electric signal.The main effect of mission controller; Be to receive and handle the temperature signal that a plurality of temperature sensors send; Also just played the effect of collecting temperature signal, and the temperature signal after will handling sends the wireless transmitter module that the mission controller output terminal is electrically connected to, just played the tie effect.Wireless transmitter module and wireless receiving module are the core components that said wireless transmit receives structure; Wherein, The main effect of wireless transmitter module is to receive the temperature information that mission controller sends, and this temperature information is launched to the external world with wireless system.The main effect of wireless receiving module is to receive the radiowave that wireless transmitter module sends, and sends the reception controller to after converting it into corresponding temperature information.Receive controller away from the production scene, operated by rotary motion is in the pulpit, and it mainly acts on and is, the temperature information of wireless receiving module output is handled, and shown through the display screen of its output terminal electrical connection, checks to make things convenient for the staff.This wireless temperature harvester is realized the direct measurement to on-the-spot multi way temperature parameter through temperature sensor and mission controller; And the communication that passes through wireless transmitter module and wireless receiving module is realized the long-range transmission of temperature signal; Transmitting range is far away, transmits reliable and stablely, and need not field wiring; Not only easy to maintenance, and cost is cheaper.

As improvement, the output terminal that receives controller also is electrically connected with alarm.

At the reception controller output end alarm is set, when the temperature signal of collection in worksite surpasses the setting bound, the reception controller will drive alarm and send alerting signal, cause that the staff notes thereby play, and avoid occurring the effect of industrial accident.

As further improvement, mission controller is electrically connected with one respectively with the reset terminal that receives controller and makes mission controller and receive the reset circuit that controller resets.

Through reset circuit, can be respectively to mission controller or receive controller and carry out reset operation, to improve the functional reliability of this wireless temperature harvester, especially run into mission controller with receive director demon run fly or when crashing effect more important.

As a kind of implementation; Said reset circuit comprises the series arm that is in series by electrochemical capacitor negative pole and resistance one end; Electrochemical capacitor is anodal to be electrically connected with positive source; The resistance other end is electrically connected with power cathode, and the electrochemical capacitor two ends also are connected with SR, and the electrochemical capacitor negative pole is outwards exported reset signal.

Said series arm is connected electrically between working power positive pole and the negative pole, and therefore, series arm has been carried whole voltages of working power.When default situations, when just SR was not pressed, SR was a normally open, because electrochemical capacitor has been blocked the dc supply current path, working power is charged to electrochemical capacitor.At this moment, the electrochemical capacitor negative pole directly links to each other with power cathode through resistance, therefore, under the default conditions, the reset circuit output low level.When SR was pressed, the electrochemical capacitor two ends were by short circuit, and electrochemical capacitor is through the SR short circuit dischange; At this moment, the electrochemical capacitor negative pole directly links to each other with working power is anodal through SR, therefore; When SR is pressed, reset circuit output high level.

In sum, adopt the wireless temperature harvester of this structure rational in infrastructure, gather reliably, easy to maintenance, and with low cost, use when being particularly suitable for the remote collection temperature signal.

Description of drawings

In conjunction with accompanying drawing the utility model is explained further details:

Fig. 1 detects the electrical schematic diagram of radiating portion for the utility model;

Fig. 2 receives the electrical schematic diagram of display part for the utility model.

Among the figure: U1 is a mission controller, and U2 is a wireless transmitter module, and U3 is a wireless receiving module, and U4 is for receiving controller; U5 is a display screen, and U6 is an alarm, and W is a temperature sensor, and R1-R10 is a resistance; C1-C24 is an electric capacity, and L1-L6 is an inductance, and SW1-SW2 is a SR, and Y1-Y4 is a crystal oscillator.

Embodiment

Like Fig. 1, shown in Figure 2, this wireless temperature harvester mainly comprises the detection radiating portion and receives the display part.As shown in Figure 1, detect radiating portion and mainly comprise mission controller U1, the signal input part of mission controller U1 is electrically connected with multi way temperature sensor W, No. one temperature sensor that only drawn among Fig. 1, and be connected the 21st pin of mission controller U1.Be electrically connected with the clock circuit that constitutes by capacitor C 11, capacitor C 12 and crystal oscillator Y1 on the 18th pin of mission controller U1, the 19th pin, so that work clock pulse accurately is provided for mission controller U1.Temperature sensor W is the critical piece that detects radiating portion, and it mainly acts on is to detect field temperature numerical value in real time, and sends mission controller U1 to after this Temperature numerical changed into electric signal.The main effect of mission controller U1; Be to receive and handle the temperature signal that a plurality of temperature sensor W send; Also just played the effect of collecting temperature signal; And the temperature signal after will handling sends the wireless transmitter module U2 that mission controller U1 output terminal is electrically connected to, just played the tie effect.Wireless transmitter module U2 is the core component that detects radiating portion, and it mainly acts on is to receive the temperature information that mission controller U1 sends, and this temperature information is launched to the external world with wireless system through inductance L 1-L3 and antenna.

The reset terminal of mission controller U1 is electrically connected with a reset circuit that mission controller is resetted.Through reset circuit, can carry out reset operation to mission controller U1, to improve the functional reliability of mission controller U1, especially effect is more outstanding when running into mission controller U1 program fleet or crashing.In the present embodiment; Said reset circuit comprises the series arm that is in series by the negative pole of electrochemical capacitor C10 and resistance R 3 one ends; Electrochemical capacitor C10 is anodal to be electrically connected with positive source; Resistance R 3 other ends are electrically connected with power cathode, and electrochemical capacitor C10 two ends also are connected with SR SW1, and electrochemical capacitor C10 negative pole is electrically connected with the 9th pin of mission controller U1.Because series arm is connected electrically between working power positive pole and the negative pole, therefore, series arm has been carried whole voltages of working power.When default situations, when just SR SW1 did not press, SR SW1 was a normally open, because electrochemical capacitor C10 has blocked the dc supply current path, working power is charged to electrochemical capacitor C10.At this moment, electrochemical capacitor C10 negative pole passes through resistance as directly linking to each other with power cathode, therefore, under the default conditions, the reset circuit output low level.When SR was pressed by SW1, electrochemical capacitor C10 two ends were by short circuit, and electrochemical capacitor C10 is through SR SW1 short circuit dischange.At this moment, electrochemical capacitor C10 negative pole directly links to each other with working power is anodal through SR SW1, therefore; When SR SW1 is pressed; Reset circuit resets mission controller and restarts to mission controller U1 output high level, has improved the functional reliability of mission controller U1 greatly.

As shown in Figure 2, to accept the display part and mainly comprise reception controller U4, the 1-5 pin that receives controller U4 is electrically connected with wireless receiving module U3, and the 21-28 pin and the 37-40 pin that receive controller U4 are electrically connected with display screen U5.The main effect of wireless receiving module U3 is to receive the radiowave that wireless transmitter module U2 sends through receiving antenna, and sends reception controller U4 to after converting it into corresponding temperature information.Receive controller U4 away from the production scene, operated by rotary motion is in the pulpit, and it mainly acts on and is, the temperature information of wireless receiving module U3 output is handled, and shown through the display screen U5 of its output terminal electrical connection, checks to make things convenient for the staff.This wireless temperature harvester is realized the direct measurement to on-the-spot multi way temperature parameter through temperature sensor W and mission controller U1; And the communication that passes through wireless transmitter module U2 and wireless receiving module U3 is realized the long-range transmission of temperature signal; Transmitting range is far away, transmits reliable and stablely, and need not field wiring; Not only easy to maintenance, and cost is cheaper.The 9th pin that receives controller U4 also is electrically connected with reset circuit, and the 18th, the 19th pin also is electrically connected with clock circuit, and the reset circuit and the clock circuit of its structure and principle of work and countdown circuit periphery are similar, no longer carefully state at this.

The 1st pin that receives controller is electrically connected with alarm U6; Like this, when the temperature signal of collection in worksite surpasses the setting bound, reception controller U4 will drive alarm U6 and send alerting signal; Cause that the staff notes thereby play, avoid occurring the effect of industrial accident.

Claims

1. wireless temperature harvester; Comprise the mission controller (U1) that input end is electrically connected with the output terminal of temperature sensor (W); It is characterized in that: the communication terminal of mission controller (U1) is electrically connected with wireless transmitter module (U2); Also comprise can with the wireless receiving module (U3) of wireless transmitter module (U2) communication, the output terminal of wireless receiving module (U3) is electrically connected with and receives controller (U4), the output terminal that receives controller (U4) is electrically connected with display screen (U5).

2. wireless temperature harvester as claimed in claim 1 is characterized in that: the output terminal that receives controller (U4) also is electrically connected with alarm (U6).

3. according to claim 1 or claim 2 wireless temperature harvester is characterized in that: mission controller (U1) and the reset terminal that receives controller (U4) are electrically connected with a reset circuit that mission controller (U1) and reception controller (U4) are resetted respectively.

4. wireless temperature harvester as claimed in claim 3; It is characterized in that: said reset circuit comprises the series arm that is in series by electrochemical capacitor negative pole and resistance one end; Electrochemical capacitor is anodal to be electrically connected with positive source; The resistance other end is electrically connected with power cathode, and the electrochemical capacitor two ends also are connected with SR, and the electrochemical capacitor negative pole is outwards exported reset signal.