CN206574219U - A kind of gas leak tackles device automatically - Google Patents

Abstract

Device is tackled automatically the utility model discloses a kind of gas leak, including the sensor being sequentially connected, D/A converter module, microprocessor module and communication module, the communication module also connects automatic window opening device and valve-closing device by serial ports joint respectively.When occurring gas leak, the utility model can quickly start automatic window opening device and valve-closing device, and coal gas source is cut off while ventilation to ventilation of room, is worked along both lines, it is ensured that safety.

Description

A kind of gas leak tackles device automatically

Technical field

The utility model is related to house living safety engineering device technique field, and specifically a kind of gas leak is tackled automatically Device.

Background technology

The safe handling of water, electricity, coal gas etc. is related to the daily life of every household, now increasing family daytime Because of reasons such as couple outgoing work, children in school, many times, unattended situation is presented in man in daytime.But When people make off, often leave a little potential safety hazard, such as forget Guan Shui, electricity, coal gas etc. in the morning Switch.

The use of coal gas is brought great convenience to life at home, but the potential safety hazard that gas leak is present equally is given The life of people brings huge pain, thus is worth the attention that causes height the problem of for gas leak.Therefore, it is substantial amounts of Gas leak monitoring device is applied and given birth to, but existing plus examining system is mostly simple alarm, or needs to install other Complex appts realize the respective handling to leaking gas conduit.

At home in the case of nobody, simple alarm is extremely difficult to the purpose for preventing gas leak from ensureing safety, conversely Prolonged alarm may cause neighbourhood's discontented, or even raise fear；Other are installed on existing gas piping complicated Device is handled leakage pipe a kind of remedial measure simply afterwards, it is impossible to reach the purpose of reply field condition in time.

Utility model content

To overcome the shortcomings of that above-mentioned prior art is present, the purpose of this utility model is to provide a kind of gas leak automatic Device is tackled, timely and effectively counter-measure can be made to gas leak scene, is prevented trouble before it happens, it is ensured that safety.

The utility model solves the technical scheme that its technical problem used：A kind of gas leak tackles device automatically, It is characterized in that：Including the sensor being sequentially connected, D/A converter module, microprocessor module and communication module, the communication mould Block also connects automatic window opening device and valve-closing device by serial ports joint respectively；

The sensor is gas sensor, and gas sensor, which exports the gas concentration signal of collection to the digital-to-analogue, to be turned Block is changed the mold, the analog quantity that gas sensor is inputted is converted into digital quantity by the D/A converter module, and by digital output extremely The microprocessor module, microprocessor module outputs signal to communication module, communication module according to the size of the digital quantity Connect automatic window opening device and valve-closing device.

Further, the automatic window opening device includes magnet coil and metal derby, and automatic window opening device is closed installed in aluminium On golden sliding window, the aluminum alloy slide window include upper side frame, left frame, left frame, band rail frame, band Gui Zhong stiles, it is common in Stile and push-pull window frame；The metal derby is by industrial glue hydropexis on push-pull window frame left frame, and the magnet coil passes through work Industry is fixed on the left frame with glue.

Further, the metal derby has multiple, and push-and-pull is symmetrically distributed in using push-pull window frame horizontal center line as symmetry axis On window frame left frame；With metal derby in the same horizontal line, correspondence is distributed on left frame the magnet coil.

Further, the communication module is also connected with alarm module, and the alarm module includes electromagnetic relay and acousto-optic Alarm, communication module connects the input of the electromagnetic relay, the output end connection audible-visual annunciator of electromagnetic relay.

Further, the valve-closing device include air inlet interface, gas outlet interface, motor interface, ring flange and Motor, the air inlet interface for both ends open L-type body and corner have one it is parallel and equal in magnitude with one end mouth of pipe Opening, motor interface stretches into the inner cylinder of air inlet interface through described be open, and the outer wall of motor interface is adjacent to air inlet interface Inwall and motor interface freely rotated in the inner cylinder of air inlet interface；The motor interface is located at air inlet interface inner cylinder Part is that an aperture is set on hollow cylinder, the wall body of hollow cylinder, and the aperture is connected with the hollow space of hollow cylinder, Sealed between the motor interface and air inlet interface of aperture axial direction both sides；

The gas outlet interface is the hollow cylinder of one end open, and the side of cylinder sets an aperture, intake pipe connection One end vertical with motor interface is connected by the aperture with gas outlet interface；Motor is connected with motor interface and by fixation Ring flange on air inlet interface is fixed.

Further, the sensor is gas sensor, model MQ-5.

Further, the D/A converter module includes analog-digital chip, model ADC0809, the microprocessor Module includes single-chip microcomputer, the model STC89C53 of the single-chip microcomputer.

Further, the communication module includes serial communication circuit, and the serial communication circuit includes being marked by RS-232 The special single supply electrical level transferring chip of quasi- serial ports and two serial ports joints J1, J2, the type of the single supply electrical level transferring chip Number be MAX232, described serial ports joint J1, J2 connect magnet coil and motor respectively.

The beneficial effects of the utility model are：Compared with prior art, the utility model is when monitoring gas leak, energy Start automatic window opening device and valve-closing device simultaneously, open the window and prevent gas piping from continuing to convey gas, reach double The purpose of insurance, degree is minimized by the harm that gas leak is brought；

Iron core is added in magnet coil in automatic window opening device of the present utility model, the magnetic of magnet coil is greatly strengthen Property, attraction of the enhancing magnet coil to metal derby；

Multiple metal derbies are set on push-pull window frame left frame, and increase magnet coil is to the attraction of push-pull window frame, metal Block is symmetrical using push-pull window frame horizontal center line as symmetry axis, is conducive to push-pull window frame uniform force, windowing-process is more steady, Movement is more smooth；

Magnet coil is placed in square aluminum alloy container, aluminum alloy container is identical with aluminum alloy push-pull window material, made During with industrial gemel connection, bonding is more firm, and aluminum alloy container does not result in electromagnetic interference；

When gas concentration is less than threshold value indoors, audible-visual annunciator is closed automatically, and stopping sends alarm signal, it is to avoid influence Other people, cause unnecessary fear；

The valve-closing device is directly installed on the admission line of coal gas, when motor is rotated, and drive motor interface turns It is dynamic, make the inwall laminating of aperture and air inlet interface or separate, so as to realize closing or the opening of gas piping, can repeat for a long time Use；

Coal gas input after the startup of valve-closing device to this resident family directly from house steward's pipeline joint is blocked, therefore not Pipe is gas piping where failure in man of resident family, and leakage problem can be solved.

Brief description of the drawings

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

The pin schematic diagram of Fig. 2 the utility model analog-digital chips；

Fig. 3 is the pin schematic diagram of the utility model single-chip microcomputer；

Fig. 4 is the circuit connection diagram of communication module described in the utility model；

Fig. 5 is the structural representation of existing aluminum alloy slide window；

Fig. 6 is automatic window opening device structural representation described in the utility model；

Fig. 7 is valve-closing apparatus structure schematic diagram described in the utility model；

Fig. 8 is the wiring schematic diagram of alarm module described in the utility model.

In figure, 11 upper side frames, 12 left frames, 13 left frames, 14 band rail frames, 15 band Gui Zhong stiles, 16 common middle stiles, 17 are pushed away Draw window frame, it is 18 metal derbies, 19 magnet coils, 21 air inlet interfaces, 22 gas outlet interfaces, 23 motor interfaces, 24 ring flanges, 25 small Hole, 26 apertures, 31 electromagnet, 32 armature, terminal contacts, 34 times terminal contacts, 35 springs, 36 audible-visual annunciators on 33.

Embodiment

For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality It is described in detail with new.It is of the present utility model for realizing that following disclosure provides many different embodiments or example Different structure.In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.In addition, The utility model can in different examples repeat reference numerals and/or letter.This repetition is for simplified and clear mesh , the relation between discussed various embodiments itself are not indicated and/or are set.It should be noted that illustrated in the accompanying drawings Part is not drawn necessarily to scale.The utility model eliminates the description to known assemblies and treatment technology and process to avoid not Necessarily limit the utility model.

As shown in figure 1, a kind of gas leak of the present utility model tackles device automatically, including be sequentially connected sensor, D/A converter module, microprocessor module and communication module, the communication module are also opened automatically by the connection of serial ports joint respectively Window device and valve-closing device.

The sensor is gas sensor, and gas sensor is installed on into interior, constantly obtains indoor fuel gas Concentration, and the combustable gas concentration signal of acquisition is sent to D/A converter module, D/A converter module is defeated by gas sensor The analog signal entered is converted into data signal, and data signal is exported to microprocessor module, and the microprocessor module connects The data signal is received, proceeds data acquisition if the threshold value that gas concentration value is less than setting, if gas concentration is big In the threshold value of setting, then automatic window opening device and valve-closing device are outputed signal to simultaneously, start automatic window opening device and oneself Dynamic valve closer, realizes the automatic reply to gas leak.

Preferably, the sensor select model MQ-5 gas sensor, MQ-5 sensors to butane, propane and The sensitivity of methane is high, and a variety of imflammable gas can be detected simultaneously, and natural gas the most universal is particularly applied now, is a Sensor of high quality and at a reasonable price.

As shown in Figure 2,3, the D/A converter module includes analog-digital chip, model ADC0809, the microprocessor Device module includes single-chip microcomputer, model STC89C53, the analog-digital chip ADC0809 INO-IN7 input pins and coal Gas sensor is connected, and the data that gas sensor MQ-5 is collected carry out analog-to-digital conversion, analog-digital chip ADC0809's D0-D7 output pins connect single-chip microcomputer STC89C53 P1.0-P1.7 pins respectively, ADC0809 ADDA, ADDB, ADDC, ALE, START, OE and EOC pin connect single-chip microcomputer STC89C53 P2.0-P2.6 pins respectively.On the single-chip microcomputer after electricity certainly Dynamic to reset operation, single-chip microcomputer receives the data that digital-to-analogue conversion chip is sent, if the threshold value that gas concentration value is less than setting Proceed data acquisition, if gas concentration is more than the threshold value of setting, be determined as gas leak.

As shown in figure 4, the communication module includes serial communication circuit, the serial communication circuit includes being marked by RS-232 The special single supply electrical level transferring chip MAX232 of quasi- serial ports and two serial ports joints J1, J2.Single supply electrical level transferring chip MAX232 R1OUT and R2OUT pins are all connected with the P3.0 pins of single-chip microcomputer, T1IN and T2IN pins are all connected with single-chip microcomputer P3.1 pins, T1OUT, R1IN pin connects serial ports joint J1 2,3 joints respectively, and T2OUT, R2IN pin connect serial ports respectively Joint J2 2,3 joints.

In modern architecture finishing, the application of aluminum alloy slide window is quite varied, as shown in figure 5, existing sliding window is including upper Frame 11, left frame 12, left frame 13, band rail frame 14, band Gui Zhong stiles 15, common middle stile 16 and push-pull window frame 17.This practicality New automatic window opening device is arranged on sliding window, as shown in fig. 6, the automatic window opening device includes magnet coil 19 and gold Belong to block 16.10,11 pins of the connection serial ports joint of magnet coil 19 J1.After judging that coal gas is leaked, single supply electricity Flat conversion chip MAX232 receives the signal of single-chip microcomputer and exported to serial ports joint J1 so that magnet coil 19 is powered, electromagnetism Coil 19 it is electric after produce magnetic so as to metal derby produce attraction, push-pull window frame 17 is moved right, open the window.

Preferably, iron core is added in magnet coil 19, greatly strengthen the magnetic of magnet coil 19, strengthen magnet coil The attraction of 19 pairs of metal derbies 18.

Preferably, the metal derby 19 is symmetrical using the horizontal center line of push-pull window frame 17 as symmetry axis respectively to be multiple On push-pull window frame left frame, the metal derby is connected by industrial glue with push-pull window frame 17, corresponding, the magnet coil 19 be multiple, with metal derby 18 in same level, and correspondence is distributed on left frame 13.Metal derby 18 is inhaled in magnet coil 19 When drawing, the uniform force of push-pull window frame 17 is not resulted in and rocked, and movement is more smooth.

In order to which preferably magnet coil 19 is fixed on left frame 13, magnet coil 19 is placed in square container, institute The material preferably aluminium alloy of square container is stated, aluminum alloy container is identical with aluminum alloy push-pull window material, using industrial glue During connection, bonding is more firm, and aluminum alloy container does not result in electromagnetic interference.

The valve-closing device includes air inlet interface 21, gas outlet interface 22, motor interface 23, ring flange 24 and electricity Machine, the air inlet interface 21 for both ends open L-type body and corner have one it is parallel and equal in magnitude with one end mouth of pipe Opening, motor interface 23 stretched into the inner cylinder of air inlet interface 21 through the opening, the outer wall of motor interface 23 be adjacent into The inwall and motor interface of gas port interface 21 are freely rotated in the inner cylinder of air inlet interface 21, and the external diameter of motor interface 23 is with entering The internal diameter of gas port interface 21 is of substantially equal, to form gluing, sealing；The motor interface 23 is located at the inner cylinder of air inlet interface 21 Part to set an aperture 25 on hollow cylinder, and the wall body of hollow cylinder, the aperture 25 is hollow with hollow cylinder Part is connected, and is set and is sealed between the motor interface 23 and air inlet interface 21 of the axial both sides of aperture 25；The gas outlet interface 22 be the hollow cylinder of one end open, and the side of cylinder sets an aperture 26, and air inlet interface 21 is vertical with motor interface 23 One end be connected through a screw thread by the aperture 26 and gas outlet interface 22；Motor is connected with motor interface 23 and by fixation Ring flange 24 on air inlet interface 21 is fixed, and ring flange 24 is welded on the inwall of air inlet interface 21.When motor is rotated, Drive motor interface 23 is rotated, and is made the inwall laminating of aperture 25 and air inlet interface 21 or is separated, so as to realize gas piping Close or open.Described air inlet interface 21 is house steward's pipeline joint of coal gas, and the gas outlet interface is point for entering resident family Pipe joint, valve-closing device described in the utility model is inputted after starting directly from house steward's pipeline joint to the coal gas of this resident family Blocked, therefore either gas piping where is broken down in man of resident family, coal gas angle problem can be solved.

After judging that coal gas is leaked, single supply electrical level transferring chip MAX232 receives signal and the output of single-chip microcomputer To serial ports joint J2, motor obtains electric rotation, and motor, which is rotated, drives motor interface 23 to rotate, and aperture 25 is managed with air inlet interface 21 The inwall laminating of body, realizes the closing of gas piping.

Further, as shown in figure 8, on the basis of above-mentioned measure is taken, the utility model also includes alarm module, institute Stating alarm module includes electromagnetic relay and audible-visual annunciator 36, the output end of the communication module is connected electromagnetic relay A, B end connection serial ports the joint J1 or J2 of input, i.e. electromagnetic relay 10,11 pins, the output of the electromagnetic relay End connection audible-visual annunciator 36, when judging gas leak, communication module outputs signal to electromagnetic relay, and electromagnet 31 is obtained Electricity, surrounding produces the armature 32 above magnetic field, attraction, and armature 32 is moved down, and terminal contacts 33 is contacted with lower terminal contacts 34, Audible-visual annunciator 36 electric must send alarm signal.When starting automatic window opening device and valve-closing device, indoor gas concentration drops When below to threshold value, communication module is no longer to electromagnetic relay output signal, and armature 32 recovers in the presence of left side spring 35 Original state, upper terminal contacts 33 and lower terminal contacts 34 are separated, and audible-visual annunciator power-off, alarm stops.So design and be advantageous in that, send out During soft coal gas leakage, if someone is in, household hears that alarm, if nobody home, will will pass through this dress from main process task Automatic solution is put, and after processing, audible-visual annunciator is closed, and other people will not be waited to cause to bother neighbourhood, avoided simultaneously Raise fear.

Simply preferred embodiment of the present utility model described above, comes for those skilled in the art Say, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also by It is considered as protection domain of the present utility model.

Claims (8)

1. a kind of gas leak tackles device automatically, it is characterized in that：Including the sensor being sequentially connected, D/A converter module, micro- Processor module and communication module, the communication module also connect automatic window opening device and valve-closing by serial ports joint respectively Device；

The sensor is gas sensor, and gas sensor exports the gas concentration signal of collection to the digital-to-analogue conversion mould The analog quantity that gas sensor is inputted is converted into digital quantity by block, the D/A converter module, and by digital output to described Microprocessor module, microprocessor module outputs signal to communication module according to the size of the digital quantity, and communication module is connected Automatic window opening device and valve-closing device.

2. a kind of gas leak according to claim 1 tackles device automatically, it is characterized in that：The automatic window opening device bag Magnet coil and metal derby are included, automatic window opening device is arranged on aluminum alloy slide window, and the aluminum alloy slide window includes top Frame, left frame, left frame, band rail frame, band Gui Zhong stiles, common middle stile and push-pull window frame；The metal derby passes through industrial glue It is fixed on push-pull window frame left frame, the magnet coil is fixed on the left frame by industrial glue.

3. a kind of gas leak according to claim 2 tackles device automatically, it is characterized in that：The metal derby has multiple, It is symmetrically distributed in by symmetry axis of push-pull window frame horizontal center line on push-pull window frame left frame；The magnet coil exists with metal derby In same horizontal line, correspondence is distributed on left frame.

4. a kind of gas leak according to claim 1 tackles device automatically, it is characterized in that：The communication module is also connected with Alarm module, the alarm module includes electromagnetic relay and audible-visual annunciator, and communication module connects the electromagnetic relay Input, the output end connection audible-visual annunciator of electromagnetic relay.

5. a kind of gas leak according to claim 1 tackles device automatically, it is characterized in that：The valve-closing device bag Air inlet interface, gas outlet interface, motor interface, ring flange and motor are included, the air inlet interface is the L-type pipe of both ends open There are parallel with an one end mouth of pipe and equal-sized opening in body and corner, and motor interface stretches into air inlet through the opening The inner cylinder of interface, the outer wall of motor interface be adjacent to the inwall of air inlet interface and motor interface in the inner cylinder of air inlet interface from By rotating；The part that the motor interface is located at air inlet interface inner cylinder is to set one on hollow cylinder, the wall body of hollow cylinder Individual aperture, the aperture is connected with the hollow space of hollow cylinder, motor interface and the air inlet interface of aperture axial direction both sides it Between seal；

The gas outlet interface is the hollow cylinder of one end open, and the side of cylinder sets an aperture, intake pipe connection and electricity The vertical one end of machine interface is connected by the aperture with gas outlet interface；Motor be connected with motor interface and by be fixed on into Ring flange on gas port interface is fixed.

6. a kind of gas leak according to claim any one of 1-5 tackles device automatically, it is characterized in that：The sensor For gas sensor, model MQ-5.

7. a kind of gas leak according to claim 6 tackles device automatically, it is characterized in that：The D/A converter module bag Analog-digital chip is included, model ADC0809, the microprocessor module includes single-chip microcomputer, the model of the single-chip microcomputer STC89C53。

8. a kind of gas leak according to claim 7 tackles device automatically, it is characterized in that：The communication module includes string Port communications circuit, the serial communication circuit is included by the special single supply electrical level transferring chip of rs-232 standard serial ports and two Serial ports joint J1, J2, the model MAX232 of the single supply electrical level transferring chip, described serial ports joint J1, J2 are connected respectively Magnet coil and motor.