The utility model content
The purpose of this utility model provides a kind of simple in structure, and is stable and reliable for performance, has the unattended chamber equipment operation supervising device of functions such as remote supervisory and control(ling) equipment running status and monitoring supply voltage current state.
The technical scheme that the utility model adopted is such: a kind of unattended chamber equipment operation supervising device, by the detection signal of temperature sensing circuit, main power source testing circuit, stand-by power supply testing circuit and the output of door magnetic circuit interface, through the analog switching circuit switching signal, again through A D change-over circuit data transaction be sent to single chip machine controlling circuit, single chip machine controlling circuit output driving data signal sends dependent instruction information to the GSM transceiver module, sends the user to.
Described single chip machine controlling circuit output control power supply switch driving circuit.
Described GSM transceiver module adopts the WAVECOM023031GSM module.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: this is unattended, and chamber equipment operation supervising device has the remote supervisory and control(ling) equipment running status, the function of monitoring supply voltage current state, state of temperature, the antitheft input interface of door magnetic, and driving power automaticallyes switch, guarantee the reliability of supply power, for equipment provides reliable power supply, simple in structure, stable and reliable for performance.
Embodiment
Further specify the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of unattended chamber equipment operation supervising device, bytemperature sensing circuit 1, main powersource testing circuit 2, the output of the detection signal of stand-by powersupply testing circuit 3 and doormagnetic circuit interface 4, throughanalog switching circuit 5 switching signals, again through A D change-overcircuit 6 data transaction be sent to single chipmachine controlling circuit 7, single chipmachine controlling circuit 7 output driving data signals send dependent instruction information toGSM transceiver module 8, send the user to, described single chipmachine controlling circuit 7 output control power supplyswitch driving circuits 9, describedGSM transceiver module 8 adopts the WAVECOM023031GSM module.
As shown in Figure 2, temperature sensor TK is connected in device housings or casing, when detected temperatures reaches the uniform temperature value, by operational amplifier U6, resistance 3R4, resistance 3R3, electric capacity 3C1 forms signal AD623 amplifying circuit, the temperature voltage signal amplifier, 1 ℃ of this signal 1mv etc., analog switching circuit U4 maximum amplification is 1000 times, adjust the multiplication factor that resistance 3R4 resistance can change analog switching circuit U4, export the 4th pin of analog switching circuit U4 to when the 6th pin of operational amplifier U6, by the 3rd pin of analog switching circuit U4 output to A D change-over circuit U2 the 2nd pin, by A D change-over circuit U2 the 5th, 6, the 36th of 7 pin and single chip machine controlling circuit U1,38,39 pin are formed the Serial Data Transfer Mode circuit, read A/D voltage data signal by single chip machine controlling circuit U1, when temperature value being set transfiniting by single chip machine controlling circuit U1 internal data, by single chip machine controlling circuit U1 the 7th, 8,14,27 output driving data signals send data to GSM transceiver module U3, make GSM transceiver module U3 send dependent instruction information, send the user to.
The main power source testing circuit by voltage transformer B1 through diode D1 rectification,capacitor C 1, C2 filtering is formed, output signal is through throughresistance R 1 current limliting,resistance R 2 dividing potential drops,capacitor C 3 filtering are connected to the 5th pin of analog switching circuit U4, the stand-by power supply testing circuit by voltage transformer B2 through diode 1D1 rectification, electric capacity 1C1,1C2 filtering is formed, output signal is again through resistance 1R1 current limliting, resistance 1R2 dividing potential drop, electric capacity 1C3 filtering is connected to the 1st pin of analog switching circuit U4, the 3rd pin output switching signal by analog switching circuit U4, the 9th of analog switching circuit U4,10,11 pin respectively with the 32nd of single chip machine controlling circuit U1,33,34 pin are formed the Serial Data Transfer Mode circuit, again through A D change-over circuit U2 data-signal conversion be sent to single chip machine controlling circuit U1, judge through single chip machine controlling circuit U1 internal data, the 13rd pin output electronegative potential of single chip machine controlling circuit U1, T1 ends through resistance 3R14 current limliting triode, the relay J adhesive, promote also adhesive of contactor KM, single chip machine controlling circuit U1 sends driving command information simultaneously, drives GSM transceiver module U3 and sends information.
Behind K switch T series resistance 2R1 connection optical coupling isolation circuit U5, parallel resistance 2R2 forms door magnetic circuit ON-OFF control circuit, K switch T is connected in the normally closed point of door status switch, as the anti-thefting monitoring circuit, when K switch T is become normal battle by normally closed point, the 3rd pin output electronegative potential of optical coupling isolation circuit U5, be connected to the 12nd pin of analog switching circuit U4, judge through single chip machine controlling circuit U1 internal data, single chip machine controlling circuit U1 sends driving command information, drives GSM transceiver module U3 and sends information.
More than show and described basic principle of the present utility model and principal character and advantage thereof; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the explanation just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.