CN212135602U - Gas alarm - Google Patents
Gas alarm Download PDFInfo
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- CN212135602U CN212135602U CN202020725843.9U CN202020725843U CN212135602U CN 212135602 U CN212135602 U CN 212135602U CN 202020725843 U CN202020725843 U CN 202020725843U CN 212135602 U CN212135602 U CN 212135602U
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- shell
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- handheld shell
- groove
- gas alarm
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Abstract
The utility model relates to a gas alarm, which comprises a shell and a handheld shell, wherein a battery, a circuit board, a detection head and a buzzer are arranged in the handheld shell, the power input end of the circuit board is coupled at the two ends of the battery, and the detection head and the buzzer are electrically connected with the circuit board; the shell is provided with a clamping groove with the same profile as that of the handheld shell, and the handheld shell is inserted into the clamping groove; the bottom of draw-in groove is equipped with first conductive head, the tip of handheld shell is equipped with the first piece that receives electricity that is used for charging the battery, when handheld shell inserts and establishes in the draw-in groove, first conductive head and first piece butt that receives electricity. The utility model discloses have handheld detection and fixed detection and be difficult for the effect of losing.
Description
Technical Field
The utility model belongs to the technical field of alarm device's technique and specifically relates to a gas alarm is related to.
Background
The gas alarm is a gas leakage detection alarm instrument. When gas leakage occurs in the industrial environment and the gas alarm detects that the gas concentration reaches the critical point set by the explosion or poison alarm, the gas alarm can send out an alarm signal.
Chinese patent with publication number CN203480653U discloses a gas alarm, which comprises an upper cover and a lower cover, wherein a circuit control board is arranged between the upper cover and the lower cover, a switch button connected with the circuit control board is arranged on the upper cover, a probe is arranged at the front end of the circuit control board, and a magnet is arranged on the lower cover.
The above prior art solutions have the following drawbacks: the appearance is small and exquisite, and the handheld operation of being convenient for, but does not have fixed place, loses easily, is unfavorable for depositing and the detection that lasts.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a gas alarm, it has handheld detection and fixed detection and the difficult advantage of losing.
The above object of the present invention can be achieved by the following technical solutions:
a gas alarm comprises a shell and a handheld shell, wherein a battery, a circuit board, a detection head and a buzzer are arranged in the handheld shell, a power input end of the circuit board is coupled to two ends of the battery, and the detection head and the buzzer are electrically connected with the circuit board;
the shell is provided with a clamping groove with the same profile as that of the handheld shell, and the handheld shell is inserted into the clamping groove;
the bottom of draw-in groove is equipped with first conductive head, the tip of handheld shell is equipped with the first piece that receives electricity that is used for charging the battery, when handheld shell inserts and establishes in the draw-in groove, first conductive head and first piece butt that receives electricity.
By adopting the technical scheme, the hand-held shell is taken out from the shell, so that the hand-held alarm can be conveniently moved and can be conveniently detected at a required position or place; place handheld shell in the draw-in groove of shell, first piece that receives electricity is connected to the first conductive head of accessible, charges the battery, and the removal of the next time of being convenient for is used, and handheld shell can last the detection for a long time after inserting in the draw-in groove simultaneously, has higher practicality.
The present invention may be further configured in a preferred embodiment as: an alarm lamp and an electric bell are arranged in the shell, a second conductive head is arranged on the side edge of the clamping groove, and the alarm lamp and the electric bell are electrically connected with the second conductive head; a second power receiving piece is arranged on the side edge of the handheld shell and communicated with the buzzer; when the handheld shell is inserted into the clamping groove, the second conductive head is abutted to the second power receiving sheet.
Through adopting above-mentioned technical scheme, handheld back of can pegging graft in the shell, accessible second conducting terminal butt is on the second receives the electric sheet, makes warning light, electric bell and handheld buzzer on the shell parallelly connected, and the shell is fixed motionless, and electric bell and warning light exportable great power are convenient for warn remote staff after detecting unusually.
The present invention may be further configured in a preferred embodiment as: the side of draw-in groove is equipped with the cardboard that is used for the card to establish handheld shell.
Through adopting above-mentioned technical scheme, handheld shell inserts and establishes the back in the draw-in groove of shell, but the cardboard butt of draw-in groove side can be at the side that can when taking out, prevents that handheld shell from deviating from in the draw-in groove.
The present invention may be further configured in a preferred embodiment as: the side edge of the clamping groove close to the bottom is provided with a safety plate.
Through adopting above-mentioned technical scheme, the setting of safety plate can form to shelter from first current conducting plate, avoids the staff to touch and causes the electric shock accident to take place to first current conducting plate.
The present invention may be further configured in a preferred embodiment as: the handheld shell is provided with a switch.
By adopting the technical scheme, when detection is needed, the switch is closed, the detection work can be carried out after the circuit is connected, when detection is not needed, the switch can be disconnected, and the electric energy resource can be saved when the circuit is disconnected.
The present invention may be further configured in a preferred embodiment as: the handheld shell is provided with a lug at the end part deviating from the power receiving sheet, and the outer end part of the lug is flush with the outer surface of the shell.
Through adopting above-mentioned technical scheme, the setting of lug on the handheld shell, the staff of being convenient for takes out handheld shell from the draw-in groove, avoids handheld shell and the inseparable butt of draw-in groove and leads to being difficult for taking out.
The present invention may be further configured in a preferred embodiment as: the two side surfaces of the convex block are provided with anti-skid lines.
Through adopting above-mentioned technical scheme, the frictional force of its and finger can be improved in the setting of antiskid line, prevents that the hand from perspiring and leading to the smooth handheld shell that can't take out of hand.
The present invention may be further configured in a preferred embodiment as: the side of draw-in groove is equipped with the spring bolt, set up on the handheld shell with spring bolt complex recess.
Through adopting above-mentioned technical scheme, handheld shell inserts and establishes in the draw-in groove after, can make the spring bolt insert and establish in the recess on handheld shell, prevents to put or take place to shake the contact failure of back conducting head and receiving electric sheet at the shell side.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the hand-held shell is taken out from the shell, so that the hand-held alarm can be conveniently moved and can be used for detecting at a required position or place; the handheld shell is placed in the clamping groove of the shell, the handheld shell can be connected with the first power receiving sheet through the first conductive head to charge the battery, the handheld shell can be conveniently moved and used next time, meanwhile, the handheld shell can be continuously detected for a long time after being inserted into the clamping groove, and the handheld shell has high practicability;
2. the inside warning light and the electric bell that set up of shell can insert at handheld shell and establish back in the draw-in groove, make the electrically conductive first butt of second on the second receives the piece, make warning light, electric bell and the buzzer on handheld shell parallelly connected, the shell is fixed motionless, and the great power of electric bell and warning light exports, after detecting unusually, is convenient for warn the staff in a distance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the present invention in partial section.
Fig. 3 is a bottom view of the middle bolt and its connecting parts of the present invention.
Reference numerals: 1. a housing; 11. a card slot; 12. clamping a plate; 13. a security pane; 2. a hand-held housing; 21. a battery; 22. a circuit board; 23. a detection head; 24. a buzzer; 25. a switch; 26. a bump; 3. a first conductive head; 31. a first power receiving sheet; 32. a second conductive head; 33. a second power receiving sheet; 4. a warning light; 41. an electric bell; 5. a latch bolt; 51. a lock hole; 52. a groove; 53. a spring; 54. unlocking the groove; 55. an unlocking lever; 56. a knob; 6. a limiting block; 61. a limiting groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the gas alarm disclosed by the present invention, comprising a housing 1 and a handheld shell 2, the housing 1 is of a square structure, on which a slot 11 for inserting the handheld shell 2 is formed, and has the same outline as the handheld shell 2, and inside which a transformer, a warning lamp 4 and an electric bell 41 are arranged, the housing 1 is provided with a through hole and faces the electric bell 41, so that the sound of the electric bell 41 is transmitted out of the housing 1; the shell 1 is provided with a clamping hole for clamping the warning lamp 4; the primary side of the transformer is connected with a lead plug and extends to the outside of the shell 1, the secondary side of the transformer is electrically connected with a first conductive head 3, and the first conductive head 3 extends out of the bottom of the clamping groove 11; the alarm lamp 4 is connected in parallel with the electric bell 41 and electrically connected with the second conductive head 32, and the second conductive head 32 extends out of the side of the card slot 11.
The handheld shell 2 is internally provided with a battery 21, a circuit board 22, a detection head 23 and a buzzer 24, a power input end of the circuit board 22 is coupled to two poles of the battery 21, and the detection head 23 and the buzzer 24 are electrically connected with the circuit board 22. A first power receiving sheet 31 is fixedly connected to the bottom of the outer side of the handheld shell 2, the first power receiving sheet 31 is electrically connected with the battery 21, a second power receiving sheet 33 is arranged on the side edge of the handheld shell 2 and electrically connected with the buzzer 24, namely, connected to a connection point of the buzzer 24 and the circuit board 22, after the handheld shell 2 is inserted into the clamping groove 11 on the shell 1, the first power receiving sheet 31 abuts against the first conductive head 3 and is used for charging the battery 21; the second power receiving sheet 33 is abutted against the second conductive head 32 and is used for connecting the alarm lamp and the electric bell 41 in the shell 1 with the circuit board 22 on the handheld shell 2, and larger power can be output when alarming; the hand-held shell 2 is provided with a switch 25 for connecting and disconnecting the circuit; the handheld shell 2 is provided with a switch 25, and the handheld shell 2 is provided with an air hole for air to pass through, so that the detection head 23 can detect combustible gas in the air conveniently.
A clamping plate 12 for clamping the handheld shell 2 is arranged on the side edge of the clamping groove 11 to prevent the handheld shell from being separated from the clamping groove 11; the side of the card slot 11 close to the bottom is provided with a safety plate 13 for preventing the related personnel from touching the first current conducting plate to cause electric shock accidents. Handheld shell 2 deviates from the tip of receiving the electricity piece and is equipped with lug 26, and the side of lug 26 is equipped with anti-skidding line for take out handheld shell 2 in the draw-in groove 11, the outer tip of lug 26 and the upper surface parallel and level of shell 1 make it have good impression.
Referring to fig. 2 and 3, a groove 52 is formed in the side surface of the clamping groove 11, a lock tongue 5 and a spring 53 abutting against the end of the lock tongue 5 are arranged in the groove, the side surface of the lock tongue 5 facing the upper portion of the clamping groove 11 is an inclined surface, the lock tongue 5 can be conveniently pushed open by the handheld shell 2 when being inserted into the clamping groove 11, a limit block 6 is arranged on the side edge of the lock tongue 5 close to the spring 53, a limit plate 61 matched with the limit block 6 is arranged at the position, close to the notch of the handheld shell 2, of the groove 52, the limit block 6 on the lock tongue 5 abuts against the limit plate 61 to prevent the lock tongue 5 from being separated from the groove 52, and a lock hole 51 matched with the lock tongue 5 is formed in the; the lower side of the lock tongue 5 is provided with an unlocking groove 54 and is abutted with an L-shaped unlocking rod 55, the other end of the unlocking rod 55 extends to the outside of the housing 1 and is fixedly connected with a knob 56 for unlocking the handheld housing 2 when the handheld housing is taken out.
The implementation principle of the embodiment is as follows: when movement detection is needed, the knob 56 is rotated, the unlocking rod 55 connected to the knob 56 pushes the bolt 5 to move into the groove 52, so that the handheld shell 2 can be unlocked, the lug 26 at the upper end part of the handheld shell 2 is clamped by a hand, so that the handheld shell 2 can be taken out, and the required position or space is moved for detection; when fixing detection is needed, the handheld shell 2 is inserted into the clamping groove 11, the bolt 5 is inserted into the lock hole 51, and the first conductive head 3 abuts against the first power receiving sheet 31 to charge the battery 21; the second conductive head 32 is abutted against the second power receiving sheet 33, so that the electric bell 41 and the warning lamp 4 in the housing 1 and the circuit board 22 in the handheld housing 2 are continuously detected, and when the gas concentration in the air is detected to reach a certain degree, the electric bell 41 and the warning lamp 4 give out sound and light alarm to warn remote workers.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A gas alarm, its characterized in that: the detection device comprises a shell (1) and a handheld shell (2), wherein a battery (21), a circuit board (22), a detection head (23) and a buzzer (24) are arranged in the handheld shell (2), the power input end of the circuit board (22) is coupled to two ends of the battery (21), and the detection head (23) and the buzzer (24) are electrically connected with the circuit board (22);
the shell (1) is provided with a clamping groove (11) with the same profile as the handheld shell (2), and the handheld shell (2) is inserted into the clamping groove (11);
the bottom of draw-in groove (11) is equipped with first conductive head (3), the tip of handheld shell (2) is equipped with and is used for receiving electric piece (31) first that battery (21) charge, when handheld shell (2) are inserted and are established in draw-in groove (11), first conductive head (3) and first piece (31) butt that receives electricity.
2. A gas alarm according to claim 1 wherein: an alarm lamp (4) and an electric bell (41) are arranged in the shell (1), a second conducting head (32) is arranged on the side edge of the clamping groove (11), and the alarm lamp (4) and the electric bell (41) are electrically connected with the second conducting head (32); a second power receiving piece (33) is arranged on the side edge of the handheld shell (2), and the second power receiving piece (33) is communicated with the buzzer (24); when the handheld shell (2) is inserted into the clamping groove (11), the second conductive head (32) is abutted to the second power receiving sheet (33).
3. A gas alarm according to claim 1 wherein: the side of the clamping groove (11) is provided with a clamping plate (12) used for clamping the handheld shell (2).
4. A gas alarm according to claim 1 wherein: and a safety plate (13) is arranged on the side edge of the clamping groove (11) close to the bottom.
5. A gas alarm according to claim 1 wherein: a switch (25) is arranged on the handheld shell (2).
6. A gas alarm according to claim 1 wherein: the end part of the handheld shell (2) departing from the power receiving sheet is provided with a convex block (26), and the outer end part of the convex block (26) is flush with the outer surface of the shell (1).
7. A gas alarm according to claim 1 wherein: two side surfaces of the convex block (26) are provided with anti-skid grains.
8. A gas alarm according to claim 1 wherein: the side of draw-in groove (11) is equipped with spring bolt (5), set up on handheld shell (2) with spring bolt (5) complex lockhole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725843.9U CN212135602U (en) | 2020-05-06 | 2020-05-06 | Gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725843.9U CN212135602U (en) | 2020-05-06 | 2020-05-06 | Gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212135602U true CN212135602U (en) | 2020-12-11 |
Family
ID=73693404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020725843.9U Active CN212135602U (en) | 2020-05-06 | 2020-05-06 | Gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212135602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771760A (en) * | 2021-09-10 | 2021-12-10 | 北京童乐丰华科技有限公司 | Automatic voice recognition device of location |
-
2020
- 2020-05-06 CN CN202020725843.9U patent/CN212135602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113771760A (en) * | 2021-09-10 | 2021-12-10 | 北京童乐丰华科技有限公司 | Automatic voice recognition device of location |
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