CN212906572U - CO alarm - Google Patents
CO alarm Download PDFInfo
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- CN212906572U CN212906572U CN202021750138.0U CN202021750138U CN212906572U CN 212906572 U CN212906572 U CN 212906572U CN 202021750138 U CN202021750138 U CN 202021750138U CN 212906572 U CN212906572 U CN 212906572U
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Abstract
The utility model provides a CO alarm, it includes the casing, be located circuit module, the displacement casing in the casing be used for detecting CO and with circuit module electric connection probe and electric connection warning light on the circuit module, the circuit module includes first circuit board and second circuit board, first circuit board is located one side of second circuit board, first circuit is provided with first spacing recess, the probe includes a plurality of fixed columns, the probe is located first spacing recess. The utility model discloses a CO alarm, it is through installing the probe on first circuit board, and first spacing recess is used for spacing probe, prevents that the probe from rocking when the installation, and the probe passes first circuit board and buckle on first circuit board, and the fixed column is L shape to on the first circuit board of stable connection with the probe, make the result of test more accurate for the efficiency of detection.
Description
Technical Field
The utility model relates to an alarm technical field, in particular to CO alarm.
Background
Carbon monoxide is invisible, colorless, tasteless, and non-irritant gas which cannot be sensed by five sense organs, and can inhibit the oxygen carrying capacity of blood, the toxicity of carbon monoxide mainly influences the supply and utilization of oxygen, the affinity of carbon monoxide and red blood cells is more than 300 times greater than that of oxygen and red blood cells, so that human tissue hypoxia is caused, after carbon monoxide gas is inhaled, carbon monoxide enters the lung to be combined with the red blood cells in a preemptive manner, so that the red blood cells lose the capacity of transporting oxygen, the probe of the alarm is usually fixed on a circuit board through glue, the glue is easy to dry when the alarm is used for a long time, the probe is connected in the alarm and is unstable, the test result is inaccurate, and the test efficiency is influenced.
Therefore, it is necessary to provide a CO alarm to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a CO alarm to solve the CO alarm among the prior art, the probe of alarm is usually fixed on the circuit board through gluing, and the live time is long, glues easy drying, and the probe connection is unstable in the alarm, leads to the test result inaccurate, influences the problem of the efficiency of test.
In order to solve the technical problem, the utility model adopts the technical scheme that: a CO alarm is characterized by comprising a shell, a circuit assembly, a probe and a warning light, wherein the circuit assembly is positioned in the shell, the probe is positioned in the shell and used for detecting CO and is electrically connected with the circuit assembly, the warning light is electrically connected to the circuit assembly and used for giving an alarm, the circuit assembly comprises a first circuit board and a second circuit board, the first circuit board is positioned on one side of the second circuit board, a first limiting groove is formed in the first circuit board, and the first limiting groove is used for limiting the probe;
the bottom of the probe comprises a plurality of fixing columns for fixing on a first circuit board, and when the probe is connected to the first circuit board, the fixing columns of the probe have original positions and buckling positions;
when the probe is located at an original position, the probe is far away from the first circuit board, and the first end and the second end of the fixed column are opposite;
when the probe is located at the buckling position, the probe is located on the first circuit board, the fixing column of the probe is L-shaped, and the probe is stably connected to the first circuit board through the fixing column.
In the utility model, a first mounting column, a second mounting column, a first positioning column and a second positioning column are arranged in the shell, the first mounting column is opposite to the first positioning column, and the second mounting column is opposite to the second positioning column;
the first circuit board is provided with a first mounting hole, a second mounting hole, a first positioning hole and a second positioning hole, the first mounting hole is opposite to the first positioning hole in position, the second mounting hole is opposite to the second positioning hole in position, the first positioning column and the second positioning column are used for positioning the first circuit board, and the first mounting column and the second mounting column are used for fixing the first circuit board.
The utility model discloses in, the casing still includes first reinforcing plate and second reinforcing plate, first erection column with first reference column is located respectively the both ends of first reinforcing plate, the second erection column with the second reference column is located respectively the both ends of second reinforcing plate.
In the utility model, the second circuit board is also provided with a screen component and a key component, and the key component is positioned at the lower part of the screen component;
the screen component is provided with a limiting hole, the warning lamp is located in the limiting hole, and the limiting hole is used for limiting the warning lamp.
The utility model discloses in, the casing is kept away from one side of second circuit board is provided with the cavity that is used for installing the battery.
The utility model discloses in, the casing includes epitheca and inferior valve, the top of casing is provided with first buckle board, one side of casing is provided with the second buckle board, first buckle board with the second buckle board is used for the location the epitheca with the inferior valve.
The utility model discloses in, the second buckle board still is provided with the data interface who is used for charging, data interface with second circuit board electric connection.
The utility model discloses in, the epitheca is located the top of probe is provided with the air inlet duct.
The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a CO alarm, it is through installing the probe on first circuit board, and the first spacing recess of first circuit board carries on spacingly to the probe, and the easy to assemble probe, the fixed column of probe pass first circuit board, and become the L line with the fixed column through the exogenic transformation to connect the probe stability on first circuit board, make the result of probe test CO more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is an exploded view of the structure of the preferred embodiment of the CO alarm of the present invention.
Fig. 2 is a perspective view of a preferred embodiment of the CO alarm of the present invention.
Fig. 3 is a front view of the lower casing of the CO alarm of the present invention.
Fig. 4 is a rear view of the lower casing of the CO alarm of the present invention.
Fig. 5 is a front view of the first circuit board of the CO alarm of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the CO alarm in the prior art, a probe of the alarm is usually fixed on a circuit board through glue, the glue is easy to dry when being used for a long time, and the probe is connected in the alarm unstably, so that the test result is inaccurate, and the test efficiency is influenced.
The present invention provides a preferred embodiment of a CO alarm that can solve the above technical problems.
Referring to fig. 1, 2 and 3, fig. 1 is a structural exploded view of a preferred embodiment of the CO alarm of the present invention, fig. 2 is a perspective view of a preferred embodiment of the CO alarm of the present invention, and fig. 3 is a front view of a lower case of the CO alarm of the present invention.
In the drawings, elements having similar structures are denoted by the same reference numerals.
The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.
The utility model provides a pair of CO alarm, including casing 11, be located casing 11 circuit assembly 13, be located casing 11 be used for detecting CO (carbon monoxide) and with circuit assembly 13 electric connection's probe 12 and electric connection be used for the warning light 14 of reporting to the police on circuit assembly 13, circuit assembly 13 includes first circuit board 131 and second circuit board 132, first circuit board 131 is located one side of second circuit board 132, first circuit board 131 is provided with first spacing recess 1315, first spacing recess 1315 is used for spacing probe 12.
The bottom of the probe 12 comprises a plurality of fixing posts 121 for fixing on the first circuit board 131, when the probe 12 is connected on the first circuit board 131, the fixing posts 121 of the probe 12 have original positions and buckling positions, when the probe 12 is located at the original position, the probe 12 is far away from the first circuit board 131, the first end and the second end of the fixing posts 121 are opposite, when the probe 12 is located at the buckling position, the probe 12 is located on the first circuit board 131, the fixing posts 121 of the probe 12 are in an L shape, and the probe 12 is stably connected on the first circuit board 131 through the fixing posts 121.
The first circuit board 131 and the second circuit board 132 are located in the housing 11 respectively, the first circuit board 131 is located on one side of the second circuit board 132, the first circuit board 131 comprises a first limiting groove 1315, the bottom of the probe 12 is located in the first limiting groove 1315, the first limiting groove 1315 is used for limiting the probe 12, the probe 12 is prevented from shaking when the probe 12 is installed, the probe 12 is convenient to install, and the fixing column 121 of the probe 12 penetrates through the first circuit board 131 and is L-shaped, so that the probe 12 is stably connected to the first circuit board 131.
Referring to fig. 3 and 4, fig. 4 is a rear view of the lower casing of the CO alarm device of the present invention, in this embodiment, CO (carbon monoxide) is carbon monoxide, the casing 11 is further provided with a first mounting post 1211, a second mounting post 1212, a first positioning post 1213 and a second positioning post 1214, the first mounting post 1211 is opposite to the first positioning post 1213, the second mounting post 1212 is opposite to the second positioning post 1214, the first circuit board 131 is provided with a first mounting hole 1311, a second mounting hole 1312, a first positioning hole 1313 and a second positioning hole 1314, the first mounting hole 1311 is opposite to the first positioning hole 1313, the second mounting hole 1312 is opposite to the second positioning hole 1314, the first positioning post 1213 and the second positioning post 1214 are used for positioning the first circuit board 131, and the first mounting post 1211 and the second mounting post 1212 are used for fixing the first circuit board 131.
The first positioning post 1213 is fastened in the first positioning hole 1313, the second positioning post 1214 is fastened in the second positioning hole 1314, the first positioning post 1213 and the second positioning post 1214 are used for limiting the first circuit board 131, when the first circuit board 131 is mounted, the first circuit board 131 is limited, the mounting is convenient, the first mounting post 1211 is fastened in the first mounting hole 1311, the second mounting post 1212 is fastened in the second mounting hole 1312, and the first circuit board 131 is connected to the first mounting post 1211 and the second mounting post 1212 through screws for fixing the first circuit board 131 in the housing 11.
The housing 11 further includes a first reinforcing plate 1215 and a second reinforcing plate 1216, the first mounting post 1211 and the first positioning post 1213 are respectively located at two ends of the first reinforcing plate 1215, the second mounting post 1212 and the second positioning post 1214 are respectively located at two ends of the second reinforcing plate 1216, the first reinforcing plate 1215 is used for reinforcing the connection of the first mounting post 1211 and the first positioning post 1213, and is used for reinforcing the stability of the first mounting post 1211 and the second mounting post 1212 with the housing 11, and the second reinforcing plate 1216 is used for reinforcing the connection of the second mounting post 1212 and the second positioning post 1214, and is used for reinforcing the stability of the second mounting post 1212 and the second positioning post 1214 with the housing 11.
Still be provided with screen assembly 15 and button subassembly 16 on the second circuit board 132, button subassembly 16 is located the lower part of screen assembly 15, screen assembly 15 is provided with spacing hole, warning light 14 is located spacing downthehole, spacing hole is used for spacing warning light 14, and on the one hand, spacing hole is used for spacing warning light 14, prevents that warning light 14 from rocking in casing 11 under the effect of external force, and another is convenient, and warning light 14 is located spacing downthehole, and the person of facilitating the use looks over.
Referring to fig. 5, fig. 5 is a front view of the first circuit board of the CO alarm of the present invention, a chamber 1217 for installing a battery is disposed on one side of the housing 11 away from the second circuit board 132, the battery is installed in the chamber 1217, and the battery is used for providing electric energy for the CO (carbon monoxide) alarm, so as to facilitate carrying and using.
The casing 11 includes an upper casing 111 and a lower casing 112, a first buckle plate 17 is arranged at the top of the casing 11, a second buckle plate 18 is arranged at one side of the casing 11, the first buckle plate 17 and the second buckle plate 18 are used for positioning the upper casing 111 and the lower casing 112, and when the upper casing 111 and the lower casing 112 are buckled together, the first buckle plate 17 and the second buckle plate 18 are used for positioning and limiting the upper casing 111 and the lower casing 112, so that the upper casing 111 and the lower casing 112 are buckled together.
The working principle is as follows:
the circuit assembly 13 includes a first circuit board 131 and a second circuit board 132, the first circuit board 131 is located on one side of the second circuit board 132, the first circuit board 131 and the second circuit board 132 are respectively located in the housing 11, the probe 12 is located on the first circuit board 131, the first limiting groove 1315 of the first circuit board 131 is used for limiting the probe 12, the probe 12 is prevented from shaking on the first circuit board 131, the fixing post 121 of the probe 12 penetrates through the first circuit board 131 and is fastened on the first circuit board 131, and the fixing post 121 is used for fixing the probe 12 on the first circuit board 131, so that the probe 12 is prevented from being separated from the first circuit board 131.
When using CO (carbon monoxide) alarm, gaseous along the air channel entering casing 11 in, because the bottom of probe 12 is spacing on first circuit board 131 through first spacing groove, the fixed column 121 of probe 12 is with the stable connection of probe 12 on first circuit board 131, prevent probe 12 and the separation of first circuit board 131, because probe 12 is located the below of air inlet tank 1111, thereby behind CO (carbon monoxide) in the air surpassed the standard, warning light 14 twinkles and reminds the user thereby to remind the user.
The CO alarm of this preferred embodiment is through installing the probe on first circuit board, and the first spacing recess of first circuit board is spacing to the probe, and the easy to assemble probe, the fixed column of probe pass first circuit board, and pass through external force shape with the fixed column and become the L line to with the stable connection of probe on first circuit board, make the result of probe test CO more accurate.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (8)
1. A CO alarm is characterized by comprising a shell, a circuit assembly, a probe and a warning light, wherein the circuit assembly is positioned in the shell, the probe is positioned in the shell and used for detecting CO and is electrically connected with the circuit assembly, the warning light is electrically connected to the circuit assembly and used for giving an alarm, the circuit assembly comprises a first circuit board and a second circuit board, the first circuit board is positioned on one side of the second circuit board, a first limiting groove is formed in the first circuit board, and the first limiting groove is used for limiting the probe;
the bottom of the probe comprises a plurality of fixing columns for fixing on a first circuit board, and when the probe is connected to the first circuit board, the fixing columns of the probe have original positions and buckling positions;
when the probe is located at an original position, the probe is far away from the first circuit board, and the first end and the second end of the fixed column are opposite;
when the probe is located at the buckling position, the probe is located on the first circuit board, the fixing column of the probe is L-shaped, and the probe is stably connected to the first circuit board through the fixing column.
2. The CO alarm of claim 1, wherein a first mounting post, a second mounting post, a first positioning post and a second positioning post are disposed in the housing, the first mounting post and the first positioning post are opposite in position, and the second mounting post and the second positioning post are opposite in position;
the first circuit board is provided with a first mounting hole, a second mounting hole, a first positioning hole and a second positioning hole, the first mounting hole is opposite to the first positioning hole in position, the second mounting hole is opposite to the second positioning hole in position, the first positioning column and the second positioning column are used for positioning the first circuit board, and the first mounting column and the second mounting column are used for fixing the first circuit board.
3. The CO alarm of claim 2, wherein the housing further comprises a first reinforcing plate and a second reinforcing plate, the first mounting post and the first positioning post are located at two ends of the first reinforcing plate, respectively, and the second mounting post and the second positioning post are located at two ends of the second reinforcing plate, respectively.
4. The CO alarm of claim 1, wherein the second circuit board is further provided with a screen assembly and a key assembly, and the key assembly is positioned at the lower part of the screen assembly;
the screen component is provided with a limiting hole, the warning lamp is located in the limiting hole, and the limiting hole is used for limiting the warning lamp.
5. A CO alarm according to claim 1 wherein a side of the housing remote from the second circuit board is provided with a chamber for mounting a battery.
6. The CO alarm of claim 1, wherein the housing comprises an upper shell and a lower shell, a first snap plate is disposed on a top of the housing, a second snap plate is disposed on one side of the housing, and the first snap plate and the second snap plate are used for positioning the upper shell and the lower shell.
7. The CO alarm of claim 6, wherein the second snap-in board is further provided with a data interface for charging, and the data interface is electrically connected with the second circuit board.
8. The CO alarm of claim 6 wherein the upper housing is provided with an air inlet slot above the probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750138.0U CN212906572U (en) | 2020-08-20 | 2020-08-20 | CO alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750138.0U CN212906572U (en) | 2020-08-20 | 2020-08-20 | CO alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212906572U true CN212906572U (en) | 2021-04-06 |
Family
ID=75247563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021750138.0U Active CN212906572U (en) | 2020-08-20 | 2020-08-20 | CO alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212906572U (en) |
-
2020
- 2020-08-20 CN CN202021750138.0U patent/CN212906572U/en active Active
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