CN218677862U - Power plug wire with gas detection, alarm and circuit break functions - Google Patents

Power plug wire with gas detection, alarm and circuit break functions Download PDF

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Publication number
CN218677862U
CN218677862U CN202222839565.1U CN202222839565U CN218677862U CN 218677862 U CN218677862 U CN 218677862U CN 202222839565 U CN202222839565 U CN 202222839565U CN 218677862 U CN218677862 U CN 218677862U
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China
Prior art keywords
circuit board
shell
power
casing
alarm
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CN202222839565.1U
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Chinese (zh)
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王廷树
李召朋
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Zhongshan Guolong Electrical Technology Co ltd
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Zhongshan Guolong Electrical Technology Co ltd
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Abstract

The utility model discloses a power plug wire with gas detection, alarm and circuit breaking functions, which comprises a shell and a circuit board, wherein the circuit board is arranged in the shell and is connected with pins on the shell; the gas sensor is arranged on the circuit board and used for detecting liquefied gas or natural gas or carbon monoxide; the power-off module is arranged on the circuit board and used for controlling the on-off of an output power line on the circuit board; the buzzer is arranged on the circuit board and used for giving out a buzzing alarm; the micro control chip is arranged on the circuit board, is respectively connected with the gas sensor, the buzzer and the power-off module, and is used for receiving the detection signal of the gas sensor and controlling the buzzer and the power-off module to work according to the detection signal; the power line is connected with the circuit board and is used for being conducted with an external electric appliance; and the air inlet is arranged on the shell and used for communicating the inside and the outside of the shell. The utility model discloses simple structure, convenient to use can effectively detect natural gas or liquefied gas to send out the plug power cord of police dispatch newspaper and auto-power-off.

Description

Power plug wire with gas detection, alarm and circuit break functions
Technical Field
The utility model relates to a plug power cord technical field, concretely relates to power plug wire with gaseous detection, warning, function of opening circuit.
Background
A power plug is one of electrical wiring appliances, and is a connection appliance that is provided at an end of a power cable connected to an electrical appliance and is used by being inserted into a socket. Generally, electric power supplied to a home or a factory is connected to an electric outlet, and a plug of an electric appliance is inserted into the electric outlet to supply electric power to the electric appliance to operate the electric appliance.
The existing power plug and power line has single function and can only be used as a power supply for connection.
In addition, for products such as a gas stove and a gas water heater, natural gas or liquefied gas leakage must be prevented during use, the existing leakage prevention method is generally to additionally install a gas monitor, professional personnel are required to get on the door in the mode, and an indoor circuit is often required to be modified so that the gas monitor is connected with a power supply, so that the installation process is complicated and the installation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, provide a simple structure, convenient to use can effectively detect natural gas or liquefied gas to send out the plug power cord of police dispatch newspaper and auto-power-off.
In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a power plug line with gaseous detection, warning, function of opening circuit which characterized in that: comprises that
A shell body, a plurality of first connecting rods and a plurality of second connecting rods,
the circuit board is arranged in the shell and is connected with the pins on the shell;
the gas sensor is arranged on the circuit board and used for detecting liquefied gas or natural gas or carbon monoxide;
the power-off module is arranged on the circuit board and used for controlling the on-off of an output power line on the circuit board;
the buzzer is arranged on the circuit board and used for sending out a buzzing alarm;
the micro control chip is arranged on the circuit board, is respectively connected with the gas sensor, the buzzer and the power-off module, and is used for receiving the detection signal of the gas sensor and controlling the buzzer and the power-off module to work according to the detection signal;
the power line is connected with the circuit board and is used for being conducted with an external electric appliance;
and the air inlet is arranged on the shell and used for communicating the inside and the outside of the shell.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, function of opening circuit, the casing includes casing and lower casing be equipped with the mounting groove in the casing down be equipped with in the mounting groove participate in the mount pad, participate in one end setting and be in participate in the mount pad, participate in the other end and stretch out casing down be equipped with the support column in the mounting groove, the circuit board is installed on the support column, the inlet port sets up go up on the casing.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, function of opening circuit be equipped with the lead wire groove on mounting groove one side the casing is equipped with positioning groove with the corresponding position of lead wire groove down be equipped with the location end on the power cord, location end joint is in the positioning groove, the tip of power cord is connected with the circuit board in stretching into the mounting groove through the lead wire groove.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, the function of opening circuit be equipped with anti-skidding groove on the casing left and right sides respectively.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, the function of opening circuit be equipped with the LED pilot lamp on the circuit board.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, function of opening circuit be equipped with test switch on the circuit board, test switch is connected with little control chip be equipped with test button on casing and the corresponding position of test switch.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, function of opening circuit go up and be equipped with the joint groove in the casing lower extreme the casing is equipped with the joint lug with the corresponding position in joint groove down, joint lug joint is in the joint inslot.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, function of opening circuit, participate in the mount pad including the base, participate in the setting on the base be equipped with insulating lid on the base be equipped with the lead wire slotted hole on insulating lid one side, connect and participate in and the circuit board between the lead wire setting in the lead wire slotted hole.
As the utility model discloses another kind of improvement of power plug wire with gaseous detection, warning, the function of opening circuit be equipped with a plurality of strengthening ribs between support column outer wall and the shells inner wall.
As another improvement of the power plug cord with gas detection, alarm, and circuit breaking functions, the switching mechanism capable of switching the three-pin plug into the two-pin plug is arranged in the housing. The switching mechanism comprises two circular through holes symmetrically arranged in a shell, movable seats capable of rotating relative to the circular through holes are arranged in the circular through holes, a three-pin plug comprises a first pin arranged on the upper portion of the shell and two second pins symmetrically arranged on the lower portion of the shell, the two second pins are arranged on the corresponding movable seats respectively, accommodating grooves are formed in the positions, corresponding to the first pins, of the shell, the first pins are movably arranged in the accommodating grooves, jacking springs are arranged between the first pins and the accommodating grooves, transmission gears are arranged on the outer walls of the movable seats in the shell, racks are arranged in the shell between the two movable seats, transmission teeth are arranged at the positions, corresponding to the transmission gears, of the racks and the transmission gears are meshed with each other, a position-yielding slot is formed in the positions, corresponding to the accommodating grooves and the racks, the front ends of the racks extend into the position-yielding slot and are jacked on the first pins, communication slot holes are formed in the positions, corresponding to the shell and the racks, and shifting pieces are arranged in the communication slot holes, and are connected with the shifting pieces through connecting pieces.
To sum up, the utility model discloses for its beneficial effect of prior art is: the utility model discloses simple structure, convenient to use can effectively detect natural gas or liquefied gas or carbon monoxide to send out the plug power cord of police dispatch newspaper and auto-power-off.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a second perspective view of the present invention.
Fig. 3 is a schematic view of the back of the utility model.
Fig. 4 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 3.
Fig. 5 is a schematic cross-sectional view of B-B in fig. 3.
Fig. 6 is one of the schematic internal structural diagrams of the present invention.
Fig. 7 is a second schematic view of the internal structure of the present invention.
Fig. 8 is a third schematic view of the internal structure of the present invention.
Fig. 9 is a schematic structural diagram of the lower housing of the present invention.
Fig. 10 is a schematic structural diagram of the upper housing of the present invention.
Fig. 11 is a schematic diagram of the circuit board of the present invention.
Fig. 12 is a schematic diagram of a circuit layout of the circuit board according to the present invention.
Fig. 13 is a schematic diagram of the switching mechanism of the present invention.
Fig. 14 is a second schematic diagram of the switching mechanism of the present invention.
Fig. 15 is a front view of fig. 14.
Fig. 16 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 15.
In the figure: 1. a housing; 2. a circuit board; 3. a pin; 4. a gas sensor; 5. a buzzer; 6. a micro control chip; 7. an air inlet; 8. a pin mounting base; 81. a base; 82. an insulating cover; 83. a lead wire slot; 9. positioning an end head; 10. An exhaust hole; 11. an upper housing; 12. a lower housing; 13. mounting grooves; 14. a support pillar; 15. a lead slot; 16. a positioning clamping groove 17 and an anti-slip groove; 18. a clamping groove; 19. clamping the convex block; 20. a fan; 30. a test switch; 40. a test button; 50. reinforcing ribs; 60. a through hole groove; 70. and an LED indicator light.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in FIGS. 1-12, a power plug wire with gas detection, alarm and cut-off functions comprises
The number of the housings 1 is such that,
the circuit board 2 is arranged in the shell 1 and is connected with the pins 3 on the shell 1;
a gas sensor 4 disposed on the circuit board 2 for detecting liquefied gas or natural gas or carbon monoxide;
the power-off module is arranged on the circuit board 2 and used for controlling the on-off of an output power line on the circuit board;
a buzzer 5 arranged on the circuit board 2 for giving a buzzer alarm;
the micro control chip 6 is arranged on the circuit board 2, is respectively connected with the gas sensor 4, the buzzer 5 and the power-off module, and is used for receiving the detection signal of the gas sensor 4 and controlling the buzzer 5 and the power-off module to work according to the detection signal;
the power line is connected with the circuit board 2 and is used for being conducted with an external electrical appliance;
and the air inlet 7 is arranged on the shell 1 and is used for communicating the inside and the outside of the shell 1.
The utility model discloses during the use, be connected the power cord with outside electrical apparatus, wherein outside electrical apparatus can be for gas-cooker or gas heater, then will participate in 3 and insert the socket, this moment, the commercial power is through 1 entering circuit board 2 of plug power cord, through 2 commutations of circuit board, step-down, produce 5V direct current voltage, give microcontroller chip 6, the power supply of gas sensor 4, microcontroller chip 6 discerns the signal that gas sensor 4 detected, handle, judge the back and show through buzzer 5's different sound production modes. The sounding mode of the buzzer is as follows: slow sounding = mild alarm, fast sounding = moderate alarm, long sounding = severe alarm. Meanwhile, the micro control chip 6 controls the power-off module to power off the gas stove or the gas water heater.
The user can detect gas kitchen or gas heater through the alarm, avoids unexpected the emergence.
The utility model discloses in still be equipped with the network module on the circuit board 2. The gas leakage information of the gas stove or the gas water heater can be automatically sent to a mobile phone or a computer of a user through the network module; the utility model discloses can long-range early warning, produce the accident that coal gas or natural gas leaked in the family and can in time early warning.
The utility model discloses in casing 1 includes casing 11 and lower casing 12 be equipped with mounting groove 13 in the casing 12 down be equipped with in the mounting groove 13 and participate in mount pad 8, participate in 3 one end settings and be in participate in mount pad 8, participate in 3 other ends and stretch out casing 12 down be equipped with support column 14 in the mounting groove 13, circuit board 2 is installed on support column 14, inlet port 7 sets up on the last casing 11. The utility model discloses in be equipped with a plurality of strengthening ribs 50 between 14 outer walls of support column and the casing 1 inner wall. The utility model discloses in the shape of circuit board 2 and the shape phase-match of mounting groove 13, circuit board 2 is arranged in on the support column 14 to fix through the screw that sets up on support column 14, receive the restriction of mounting groove 13 and screw in the use, make circuit board 2 can not rock, thereby avoid circuit board 2 impaired.
The utility model discloses in be equipped with lead wire groove 15 on mounting groove 13 one side casing 12 is equipped with positioning groove 16 with the corresponding position in lead wire groove 15 down be equipped with location end 9 on the power cord, location end 9 joint is in positioning groove 16, the tip of power cord is connected with circuit board 2 in stretching into mounting groove 13 through lead wire groove 15. The utility model discloses before well power cord and circuit board 2 are connected, can be close to the welding position department at the power cord front end and beat a knot, then weld the welding position and the circuit board 2 of power cord tip, will tie a knot after the welding is accomplished and put into lead wire groove 15 in to with 9 joints in positioning end in positioning groove 16, thereby reach the duplicate protection to the power cord, avoid making power cord and circuit board 2 separation because of dragging in the use, lead to unable the use.
The utility model discloses in be equipped with anti-skidding groove 17 on the 1 left and right sides of casing respectively. The friction force between the hand and the shell 1 can be increased through the anti-skid groove 17, so that the process of plugging and unplugging the plug power line is more convenient.
The utility model discloses in be equipped with the LED pilot lamp on the circuit board 2. When the pin 3 is inserted into the socket and powered on, the LED indicator lamp is lightened.
The utility model discloses in be equipped with test switch 30 on circuit board 2, test switch 30 is connected with little control chip 6 be equipped with test button 40 on casing 1 and the corresponding position of test switch 30.
The utility model discloses in be equipped with joint groove 18 in the 11 lower extremes of upper housing casing 12 is equipped with joint lug 19 with the corresponding position in joint groove 18 down, 19 joints of joint lug are in the joint groove 18. The utility model discloses when well upper housing 11 assembles with lower housing 12, through being in the 19 joints of joint lug the joint inslot 18 is then through the fix with screw. The connection is convenient and firm.
The utility model discloses in participate in mount pad 8 is including base 81, participate in 3 settings and be in on the base 81 be equipped with insulating lid 82 on the base 81 be equipped with lead wire slotted hole 83 on insulating lid 82 one side, the connection is participated in 3 and circuit board 2 between the lead wire setting in lead wire slotted hole 83. The utility model discloses in can effectively completely cut off participating in 3 and the circuit on the circuit board 2 through insulating cover 82, avoid participating in 3 the circuit on use scratch circuit board 2.
The circuit layout of the circuit board 2 is shown in fig. 12. The gas sensor is a product sold in the market, can be purchased from Shenzhen Shennational security electronic technology Limited company, and has the model number of: SGA-100. The micro control chip is a commercially available product, and can be a micro control chip with a model of WT2003H produced by Shenzhen Zhi Chuanyin electronics Limited company, or a micro control chip with a model of NV040D produced by Guangzhou nine-core electronics technology Limited company.
In another embodiment of the present invention, a switching mechanism capable of switching a three-pin plug into a two-pin plug is disposed in the housing 1.
The utility model discloses in switching mechanism is including the symmetry setting two circular through-holes 101 at casing 1 be equipped with the circular through-hole 101 pivoted sliding seat 102 relatively in the circular through-hole 101, the tripod plug is including setting up the first pin 103 and the symmetry setting on casing 1 upper portion and participating in 104, two in two second of casing 1 lower part of participating in 104 sets up respectively on the sliding seat 102 that corresponds casing 1 is equipped with storage tank 105 with the corresponding position of first pin 103, the activity of first pin 103 sets up in storage tank 105 be equipped with the roof pressure spring between first pin 103 and the storage tank 105 be equipped with drive gear 106 on the inside sliding seat 102 outer wall of casing 1, be equipped with rack 107 in casing 1 between two sliding seats 102 the rack 107 is equipped with the transmission tooth with the corresponding position of drive gear 106, transmission tooth and drive gear 106 intermeshing be equipped with the notch 108 on storage tank 105 and the corresponding position of rack 107, rack 107 front end stretches into and puts down in notch 108 and pushes down on first pin 103, be equipped with the rack 107 and the corresponding slotted hole of casing 107 and the connection piece 109 intercommunication through corresponding slotted hole 109.
The utility model discloses in when needs switch into two-pin plug with the three-pin plug, at first, through promoting the stirring piece 110, make stirring piece 110 along intercommunication slotted hole 109 downstream, at this moment, rack 107 downstream drives two seconds and participates in 104 and take place the rotation to adjust the state to two-pin plug. Since the first pin 103 is unlocked from the rack 107 after the rack 107 moves downward, the first pin 103 can be retracted into the receiving groove 105 by an external force. The utility model discloses can switch convenient to use at will between three-pin plug and two-pin plug.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a power plug line with gaseous detection, warning, function of opening circuit which characterized in that: comprises that
A shell body (1) is arranged in the shell body,
the circuit board (2) is arranged in the shell (1) and is connected with the pins (3) on the shell (1);
the gas sensor (4) is arranged on the circuit board (2) and is used for detecting liquefied gas or natural gas or carbon monoxide;
the power-off module is arranged on the circuit board (2) and used for controlling the on-off of an output power line on the circuit board;
the buzzer (5) is arranged on the circuit board (2) and used for sending out a buzzing alarm;
the micro-control chip (6) is arranged on the circuit board (2), is respectively connected with the gas sensor (4), the buzzer (5) and the power-off module, is used for receiving a detection signal of the gas sensor (4), and controls the buzzer (5) and the power-off module to work according to the detection signal;
the power line is connected with the circuit board (2) and is used for being conducted with an external electrical appliance;
and the air inlet hole (7) is arranged on the shell (1) and is used for communicating the inside and the outside of the shell (1).
2. The power plug cord with gas detection, alarm and cut-off functions of claim 1, wherein: and a network module is also arranged on the circuit board (2).
3. The power plug cord with gas detection, alarm, and shut-down functions of claim 1, wherein: casing (1) includes casing (11) and lower casing (12) be equipped with mounting groove (13) down in casing (12) be equipped with in mounting groove (13) and participate in mount pad (8), participate in (3) one end setting and be in participate in mount pad (8), participate in (3) other end and stretch out casing (12) down be equipped with support column (14) in mounting groove (13), circuit board (2) are installed on support column (14), inlet port (7) set up on last casing (11).
4. The power plug cord with gas detection, alarm, and shut down functions of claim 3, wherein: be equipped with lead wire groove (15) on mounting groove (13) one side casing (12) are equipped with positioning channel groove (16) with the corresponding position of lead wire groove (15) down be equipped with location end (9) on the power cord, location end (9) joint is in positioning channel groove (16), the tip of power cord is connected with circuit board (2) in stretching into mounting groove (13) through lead wire groove (15).
5. The power plug cord with gas detection, alarm, and shut-down functions of claim 1, wherein: and an LED indicating lamp (70) is arranged on the circuit board (2).
6. The power plug cord with gas detection, alarm, and shut-down functions of claim 1, wherein: the testing device is characterized in that a testing switch (30) is arranged on the circuit board (2), the testing switch (30) is connected with the micro control chip (6), and a testing button (40) is arranged at the corresponding position of the shell (1) and the testing switch (30).
7. The power plug cord with gas detection, alarm, and shut down functions of claim 3, wherein: go up be equipped with joint groove (18) in casing (11) lower extreme casing (12) and joint groove (18) corresponding position down is equipped with joint lug (19), joint lug (19) joint is in joint groove (18).
8. The power plug cord with gas detection, alarm, and shut down functions of claim 3, wherein: the pin mounting base (8) comprises a base (81), the pins (3) are arranged on the base (81), an insulating cover (82) is arranged on the base (81), a lead slot (83) is formed in one side of the insulating cover (82), and a lead connected between the pins (3) and the circuit board (2) is arranged in the lead slot (83).
9. The power plug cord with gas detection, alarm, and shut down functions of claim 3, wherein: and a plurality of reinforcing ribs (50) are arranged between the outer wall of the supporting column (14) and the inner wall of the shell (1).
10. The power plug cord with gas detection, alarm, and shut-down functions of claim 1, wherein: a switching mechanism capable of switching a three-pin plug into a two-pin plug is arranged in the shell (1), the switching mechanism comprises two circular through holes (101) symmetrically arranged in the shell (1), movable seats (102) capable of rotating relative to the circular through holes (101) are arranged in the circular through holes (101), the three-pin plug comprises first pins (103) arranged at the upper part of the shell (1) and two second pins (104) symmetrically arranged at the lower part of the shell (1), the two second pins (104) are respectively arranged on the corresponding movable seats (102), accommodating grooves (105) are arranged at the corresponding positions of the shell (1) and the first pins (103), first participate in (103) activity setting in storage tank (105) be equipped with roof pressure spring between first participate in (103) and storage tank (105) be equipped with drive gear (106) on the movable seat (102) outer wall of casing (1) inside, be equipped with rack (107) in casing (1) between two movable seats (102) rack (107) and the corresponding position of drive gear (106) are equipped with the driving tooth, driving tooth and drive gear (106) intermeshing be equipped with the scarce groove of stepping down (108) on storage tank (105) and the corresponding position of rack (107), rack (107) front end is gone into in the scarce groove of stepping down (108) and is pushed down at first participate in (108) 103 A communication slot hole (109) is formed in the corresponding position of the shell (1) and the rack (107), a poking sheet (110) is arranged in the communication slot hole (109), and the poking sheet (110) is connected with the rack (107) through a connecting sheet (111).
CN202222839565.1U 2022-10-27 2022-10-27 Power plug wire with gas detection, alarm and circuit break functions Active CN218677862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222839565.1U CN218677862U (en) 2022-10-27 2022-10-27 Power plug wire with gas detection, alarm and circuit break functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222839565.1U CN218677862U (en) 2022-10-27 2022-10-27 Power plug wire with gas detection, alarm and circuit break functions

Publications (1)

Publication Number Publication Date
CN218677862U true CN218677862U (en) 2023-03-21

Family

ID=85566031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222839565.1U Active CN218677862U (en) 2022-10-27 2022-10-27 Power plug wire with gas detection, alarm and circuit break functions

Country Status (1)

Country Link
CN (1) CN218677862U (en)

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