CN112283426A

CN112283426A - Combined intelligent gas safety valve

Info

Publication number: CN112283426A
Application number: CN201910821659.6A
Authority: CN
Inventors: 乔民
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-22
Filing date: 2019-09-02
Publication date: 2021-01-29
Also published as: CN210687153U

Abstract

The invention relates to the technical field of gas safety, in particular to a combined intelligent gas safety valve which comprises a gas valve and a timing module, wherein the timing module is provided with a knob driving mechanism, a knob cover, a processor and a display screen, a knob for opening and closing is arranged on the gas valve, the gas valve is connected with the timing module, the knob cover on the timing module is sleeved on the knob of the gas valve and is driven to rotate by the knob driving mechanism, the knob driving mechanism controls opening and closing by the processor, the display screen for displaying countdown duration is connected with the processor by a circuit, and the knob driving mechanism controls starting by the processor when the duration is zero. The invention can realize the timing closing of the gas valve, can also realize the remote control closing of the gas valve, can monitor the environmental temperature and the gas concentration in real time, fully ensures the gas safety, can combine and use each module according to the requirement, and is flexible and convenient to use.

Description

Combined intelligent gas safety valve

Technical Field

The invention relates to the technical field of gas safety, in particular to a combined intelligent gas safety valve.

Background

In the urban gas field, natural gas and coal gas have entered thousands of households, gas equipment is also endless, and as gas has the characteristics of easy leakage and easy explosion, the safety requirement on the gas equipment is high, and a gas valve is a safety valve body which is often adopted in the prior art to ensure that gas leakage is avoided, but the gas valve in the prior art generally does not have a timing closing function, a remote control function (such as WIFI internet remote control, GPRS, short message control and the like), and cannot perform a diagnosis function on gas micro-leakage, such as gas micro-leakage caused by rubber pipe cracks, pipe and valve loosening after being repaired and the like, so that the gas micro-leakage is large in number, great potential safety hazards exist, and accidents are easily caused to cause casualties and losses if the gas cannot be found as early as possible.

Disclosure of Invention

The invention aims to provide a combined intelligent gas safety valve which can be used for closing a gas valve at fixed time, remotely closing the gas valve, monitoring the ambient temperature and the gas concentration in real time and fully ensuring the gas safety, and in addition, all modules can be combined for use as required, so that the use is flexible and convenient.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a modular intelligence gas relief valve, includes gas valve and timing module, wherein is equipped with knob actuating mechanism, knob lid, treater and display screen on the timing module, is equipped with the knob that is used for opening and close on the gas valve, and the gas valve is connected with timing module, and the knob lid cover on the timing module arranges the knob of gas valve in, the knob lid passes through knob actuating mechanism drive is rotatory, just knob actuating mechanism passes through processor control opens and stops for show down time length the display screen with the treater passes through line connection, and the time length is zero hour at that time, knob actuating mechanism passes through the treater control and starts.

The knob driving mechanism comprises a knob driving device, a worm and a rack, wherein the knob driving device and the worm are arranged in the timing module, the worm is driven to rotate through the knob driving device, the rack is fixedly arranged on the knob cover, and the rack is meshed with the worm.

The timing module is provided with a timing module shell, and the timing module shell is provided with a display screen, a time adjusting key and a gas valve opening and closing key.

The timing module is characterized in that an indicator lamp is arranged on the timing module shell, a loudspeaker is arranged in the timing module shell, and the timing key comprises a first timing key and a second timing key.

The indicator light, the horn, the first time-adjusting key, the second time-adjusting key and the gas valve opening and closing key are all connected with the processor through circuits.

The gas valve and the timing module are fixedly connected through a fixing plate and a screw.

The timing module is provided with a detachable remote control module, the timing module is provided with a clamping groove, a first signal contact is arranged in the clamping groove, the remote control module is provided with a clamping block matched with the clamping groove, a second signal contact is arranged on the clamping block, and the first signal contact and the second signal contact are in corresponding contact after the clamping block completely enters the clamping groove.

The remote control module is internally provided with a remote control processor, a wireless communication chip, an ambient temperature sensor and a combustible gas sensor, the upper end of the remote control module is provided with an antenna, the wireless communication chip, the ambient temperature sensor, the combustible gas sensor and the antenna are all connected with the remote control processor through circuits, and the remote control processor is connected with a processor in the timing module through the contact of the first signal contact and the second signal contact.

An alarm is arranged in the remote control module and is connected with the remote control processor through a line.

The wireless communication chip is an NB-iot module.

The invention has the advantages and positive effects that:

1. the timing module can be used for automatically closing the gas valve in a timing mode, accidents such as fire disasters and the like caused by that people go out or forget to close the gas valve due to other things to dry the cooker by burning the gas can be avoided, the countdown duration can be adjusted according to needs, and the indicating lamp and the prompt tone are matched to prompt the opening and closing state of the gas valve, so that the intellectualization level of the gas valve is improved, and the safety can be fully ensured.

2. The invention can realize wireless remote control on the opening and closing of the gas valve by using the remote control module, and the remote control module is provided with a plurality of sensors for monitoring the ambient temperature and the gas concentration in real time, and can automatically close the gas valve and give an alarm once the monitoring exceeds the standard.

3. The remote control module is detachably arranged on the timing module, only the gas valve can be connected with the timing module for use, and the gas valve, the timing module and the remote control module can be used together, so that the remote control module is flexible and convenient to use.

4. The remote control module is internally provided with the wireless communication chip for remote control, the wireless communication chip can realize wireless remote control by adopting an NB-iot module, can realize timing closing of a gas valve, and can meet the development requirement of the future Internet of things while fully ensuring the safety of gas.

5. The invention has compact integral structure and does not occupy too much space.

Drawings

Figure 1 is a schematic view of the present invention,

figure 2 is an exploded view of the invention of figure 1,

figure 3 is an exploded view of the second embodiment of the present invention shown in figure 1,

figure 4 is a schematic view of the gas valve and timing module of figure 1,

figure 5 is a front view of the timing module of figure 4,

figure 6 is a view from direction a of figure 5,

figure 7 is an exploded schematic view of the gas valve and timing module of figure 4,

figure 8 is a schematic diagram of the internal structure of the timing module of figure 4,

figure 9 is a schematic view of the gas valve of figure 4,

figure 10 is a cross-sectional view of the gas valve of figure 9,

figure 11 is a schematic view showing the operation state of the gas valve in figure 10,

figure 12 is a schematic view of the operating state of the gas valve of figure 10 illustrating a second,

figure 13 is a schematic view of the remote control module of figure 1,

figure 14 is a view from direction B of figure 13,

figure 15 is a schematic view of the interior of the remote control module of figure 14,

figure 16 is a schematic diagram of the connection of the internal components of the timing module,

figure 17 is a schematic diagram of the timing module workflow,

fig. 18 is a schematic diagram of a remote control module workflow.

The gas valve timing device comprises a gas valve 1, a knob 101, a valve body 102, an overcurrent cutoff valve core 103, a gas channel 104, a timing module 2, a knob cover 201, a display screen 202, a first time-adjusting key 203, a gas valve opening and closing key 204, a second time-adjusting key 205, a timing module shell 206, a power switch 207, a first signal contact 208, a card slot 209, a knob driving device 210, a worm 211, a screw section 212, a rack 213, a horn 214, a remote control module 3, a fixture block 301, a second signal contact 302, a remote control module shell 303, a remote control processor 304, a wireless communication chip 305, an environment temperature sensor 306, a combustible gas sensor 307, an antenna 308, a screw 4 and a fixing plate 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 18, the gas valve comprises a gas valve 1, a timing module 2 and a remote control module 3, wherein the timing module 2 is provided with a knob driving mechanism, a knob cover 201, a processor and a display screen 202, the gas valve 1 is provided with a knob 101 for opening and closing a gas channel 104, the gas valve 1 is connected with the timing module 2, the knob cover 201 on the timing module 2 is sleeved on the knob 101 of the gas valve 1, the knob cover 201 is driven to rotate by the knob driving mechanism to drive the knob 101 to rotate to open and close the gas valve 1, the knob driving mechanism controls the opening and closing of the gas valve by the processor, the display screen 202 is connected with the processor by a circuit, the display screen 202 is used for displaying the countdown duration, when the duration is zero, the processor triggers the control knob driving mechanism to start to rotate the knob cover 201, and further rotates the knob 101 of the gas valve 1 to close the gas valve 1, the remote control module 3 is detachably provided at one side of the timing module 2.

As shown in fig. 8, the knob driving mechanism includes a knob driving device 210, a worm 211 and a rack 213, wherein the knob driving device 210 and the worm 211 are disposed in the timing module 2, the worm 211 is driven to rotate by the knob driving device 210, the rack 213 is arc-shaped and is fixedly disposed on the outer circumferential surface of the knob cover 201, the rack 213 is engaged with a screw section 212 on the worm 211, and when the worm 211 rotates, the rack 213 is driven to rotate, thereby driving the knob cover 201 to rotate.

As shown in fig. 4 to 8, the timing module 2 includes a timing module housing 206, a knob cover 201 is rotatably disposed on the timing module housing 206, a protruding portion of a front side of the knob cover 201 is located outside the timing module housing 206, the knob driving device 210, the worm 211, the rack 213 and the processor are all disposed in the timing module housing 206, a display 202, a first time-adjusting button 203, a second time-adjusting button 205 and a gas valve opening/closing button 204 are disposed on a front side surface of the timing module housing 206, wherein the display 202 is disposed below the protruding portion of the knob cover 201, the first time-adjusting button 203, the second time-adjusting button 205 and the gas valve opening/closing button 204 are disposed below the display 202, the first time-adjusting button 203 and the second time-adjusting button 205 are used for adjusting a time duration of a countdown, in this embodiment, the first time-adjusting button 203 is used for adjusting the time duration, the second time adjusting button 205 is used for adjusting the length of time, the gas valve opening/closing button 204 is used for manually closing the gas valve 1 by an operator, an indicator lamp is arranged on the timing module shell 206, as shown in fig. 8, a horn 214 is arranged in the timing module shell 206, and in addition, as shown in fig. 4, a power switch 207 is arranged on one side of the timing module shell 206 to control the whole module to be powered on or powered off.

In this embodiment, when the operator presses the gas valve open/close button 204, the indicator lights up and the speaker 214 sounds an open sound, at this time, the gas valve 1 is opened, and the display 202 starts countdown until the set time is reached, the processor automatically starts the knob driving device 210 to close the gas valve 1, the indicator lights are turned off and the speaker sounds a close sound, if the timing time is not reached, the gas valve 1 is closed, the operator only needs to press the gas valve open/close button 204 again, the processor directly starts the knob driving device 210, the indicator lights are turned off and the speaker sounds a close sound, the display 202 stops countdown and automatically recovers to the initial state. As shown in fig. 16, the knob driving device 210, the display 202, the indicator light, the speaker 214, the first time-adjusting button 203, the second time-adjusting button 205 and the gas valve opening/closing button 204 are all connected to the processor through wires, and all the above elements are well known in the art and commercially available. In this embodiment, the processor includes a timer circuit composed of a single chip microcomputer and software, and the knob driving device 210 is a servo deceleration motor.

As shown in fig. 3, the gas valve 1 and the timing module 2 are fixedly connected through a fixing plate 5 and a screw 4, and as shown in fig. 7, a groove matched with the shape of the gas valve 1 is formed in the rear side of the timing module housing 206, when the gas valve 1 and the timing module 2 are connected, the knob 101 is embedded in the knob cover 201, and the gas valve 1 is integrally placed in the groove, so that the occupied space of the gas valve timing device is reduced, and the structure is more compact.

As shown in fig. 1-3, remote control module 3 is detachably arranged on one side of timing module 2, as shown in fig. 6, a clamping groove 209 is arranged on one side of timing module housing 206, a first signal contact 208 is arranged in clamping groove 209, as shown in fig. 3 and 13, remote control module 3 is provided with a remote control module housing 303, a clamping block 301 matched with clamping groove 209 in shape is arranged on one side of remote control module housing 303, a second signal contact 302 is arranged on clamping block 301, when remote control module 3 is connected with timing module 2, clamping block 301 is inserted into clamping groove 209 from top to bottom, and after the clamping is completely, first signal contact 208 and second signal contact 302 are correspondingly contacted to realize circuit communication. In this embodiment, the slot 209 is a dovetail groove with a wide inner part and a narrow outer part to prevent the remote control module 3 from being separated.

As shown in fig. 15, a remote control processor 304, a wireless communication chip 305, an ambient temperature sensor 306, a combustible gas sensor 307 and an alarm are arranged in the remote control module housing 303, an antenna 308 for GPRS is arranged at the upper end of the remote control module housing 303, the wireless communication chip 305, the ambient temperature sensor 306, the combustible gas sensor 307, the antenna 308 and the alarm are all connected with the remote control processor 304 through wires, and all the above elements are known in the art and commercially available products, and the remote control processor 304 is connected with a processor in the timing module 2 through the contact of the first signal contact 208 and the second signal contact 302. The wireless communication chip 305 is used for wireless remote control (WIFI, short message and the like), the ambient temperature sensor 306 and the combustible gas sensor 307 are used for monitoring ambient temperature and gas concentration in real time, when a monitoring value exceeds a set value, a signal is sent out to enable the alarm to give an alarm to the far end of the system, and meanwhile, a knob driving mechanism in the timing module 2 starts to close the gas valve 1.

In this embodiment, the wireless communication chip 305 is an NB-IoT module, that is, a narrowband Internet of Things (NB-IoT) module, which is constructed in a cellular network, and can be directly deployed in a GSM network, a UMTS network, or an LTE network, and has low power consumption, so that the service life and the wireless network application range of the invention can be greatly prolonged. The NB-iot module is a commercially available product, and in the embodiment, the NB-iot module is manufactured by Steady technology with the model number WH-NB 73.

As shown in fig. 9 to 12, an overcurrent cutoff valve core 103 is arranged in the gas valve 1, when a rubber tube falls off or gas pressure increases, gas flow increases instantly, and at this time, the overcurrent cutoff valve core 103 blocks a gas passage 104 in the valve body 102 to cut off gas. In this embodiment, the structure and principle of the over-flow shutoff valve spool 103 are the same as those of a valve spool assembly in an authorized publication No. CN208204111U entitled "automatic shutoff and reset device for liquefied gas tank over-flow", and in addition, the opening and closing of the gas valve 1 by using the knob 101 is a known technology in the art, as shown in fig. 10, the knob 101 is rotatably installed on the valve body 102, the front end of the knob 101 is provided with a shutoff column, and when the gas valve 1 is closed, the knob 101 rotates to enable the shutoff column to extend into the gas channel 104 to shut off gas.

The working principle of the invention is as follows:

the gas valve 1 can be connected with the timing module 2 for use, or the gas valve 1, the timing module 2 and the remote control module 3 can be connected together for use as required, wherein as shown in fig. 16, a knob driving device 210, a display screen 202, an indicator light, a loudspeaker 214, a first timing key 203, a second timing key 205 and a gas valve opening and closing key 204 in the timing module 2 are all connected with the processor through lines, the working process is as shown in fig. 17, after the gas valve 1 is opened, the system automatically counts down, when the countdown duration is reached, the processor starts a knob driving mechanism to start and close the gas valve 1, if the set duration is not reached, the manual valve closing can be realized by pressing the gas valve opening and closing key 204 again, and the countdown duration is adjusted through the first timing key 203 and the second timing key 205.

The remote control module 3 is matched with the clamping groove 209 on one side of the timing module 2 through the clamping block 301 on one side to realize connection, and after the clamping block 301 is completely inserted into the clamping groove 209, the first signal contact 208 on the clamping groove 209 and the second signal contact 302 on the clamping block 301 are correspondingly contacted to realize data communication of the two modules, so that the remote control module 3 is convenient to disassemble if not needed. The remote control module 3 can realize wireless remote control (WIFI, GPRS, short messages and the like) through intelligent terminals such as a mobile phone, an IPD and a computer, the working principle of the remote control module is shown in fig. 18, in addition, an ambient temperature sensor 306 and a combustible gas sensor 307 in the remote control module 3 are used for monitoring the ambient temperature and the gas concentration in real time, when a monitoring value exceeds a set value, a signal is sent out to enable an alarm to give an alarm to the far end of a system, and meanwhile, a knob driving mechanism in the timing module 2 starts to close the gas valve 1.

In order to further ensure safety, as shown in fig. 11 to 12, in this embodiment, an overcurrent cutoff valve element 103 is arranged in the gas valve 1, when a rubber tube falls off or gas pressure increases, gas flow increases instantly, and at this time, the overcurrent cutoff valve element 103 blocks a gas passage 104 in the valve body 102 to cut off gas, so that safety is fully ensured.

Claims

1. The utility model provides a modular intelligence gas safety valve which characterized in that: including gas valve (1) and timing module (2), wherein be equipped with knob actuating mechanism, knob lid (201), treater and display screen (202) on timing module (2), be equipped with knob (101) that are used for opening and close on gas valve (1), gas valve (1) is connected with timing module (2), and knob lid (201) on timing module (2) overlap on knob (101) of gas valve (1) are arranged in, knob lid (201) pass through knob actuating mechanism drive is rotatory, just knob actuating mechanism passes through processor control opens and stops for show down time length display screen (202) with the treater passes through the line connection, and the time length is zero hour at that time, knob actuating mechanism passes through the treater control and starts.

2. The combined intelligent gas safety valve of claim 1, wherein: the knob driving mechanism comprises a knob driving device (210), a worm (211) and a rack (213), wherein the knob driving device (210) and the worm (211) are arranged in the timing module (2), the worm (211) is driven to rotate through the knob driving device (210), the rack (213) is fixedly arranged on the knob cover (201), and the rack (213) is meshed with the worm (211).

3. The combined intelligent gas safety valve of claim 1, wherein: the timing module (2) is provided with a timing module shell (206), and the timing module shell (206) is provided with a display screen (202), a time adjusting key and a gas valve opening and closing key (204).

4. The combined intelligent gas safety valve of claim 3, wherein: the timing module is characterized in that an indicator lamp is arranged on the timing module shell (206), a loudspeaker (214) is arranged in the timing module shell (206), and the timing key comprises a first timing key (203) and a second timing key (205).

5. The combined intelligent gas safety valve of claim 4, wherein: the indicator light, the loudspeaker (214), the first time-adjusting key (203), the second time-adjusting key (205) and the gas valve opening and closing key (204) are all connected with the processor through lines.

6. The combined intelligent gas safety valve of claim 1, wherein: the gas valve (1) and the timing module (2) are fixedly connected through a fixing plate (5) and a screw (4).

7. The combined intelligent gas safety valve of claim 1, wherein: be equipped with detachable remote control module (3) on timing module (2), be equipped with draw-in groove (209) on timing module (2), just be equipped with first signal contact (208) in draw-in groove (209), be equipped with on remote control module (3) with draw-in groove (209) complex fixture block (301), just be equipped with second signal contact (302) on fixture block (301), fixture block (301) get into completely behind draw-in groove (209), first signal contact (208) and second signal contact (302) correspond the contact.

8. The combined intelligent gas safety valve of claim 7, wherein: be equipped with remote control treater (304), wireless communication chip (305), ambient temperature sensor (306) and combustible gas sensor (307) in remote control module (3), remote control module (3) upper end is equipped with antenna (308), wireless communication chip (305), ambient temperature sensor (306), combustible gas sensor (307) and antenna (308) all through the circuit with remote control treater (304) link to each other, remote control treater (304) are through first signal contact (208) and second signal contact (302) contact are connected with the treater in timing module (2).

9. The combined intelligent gas safety valve of claim 8, wherein: an alarm is arranged in the remote control module (3) and is connected with the remote control processor (304) through a line.

10. The combined intelligent gas safety valve of claim 8, wherein: the wireless communication chip (305) is an NB-iot module.