Carbon monoxide alarm and detector thereof
By designing a carbon monoxide alarm and its tester, and using carbon monoxide generating components and test reagents to simulate carbon monoxide leaks, the problem of inaccurate alarms after aging was solved, and a convenient and safe testing process was achieved, ensuring the safety of home users and the normal use of the alarm.
Patent Information
- Application Number
- CN202422474115.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-10-14
AI Technical Summary
Existing carbon monoxide alarms are prone to delays or inaccuracies in alarm timing after storage or aging, posing safety hazards. Furthermore, existing testing methods are inconvenient for home operation and carry certain risks.
A carbon monoxide alarm and its tester were designed, including a detachable tester. The tester simulates a carbon monoxide leak by using a carbon monoxide generating component and a test reagent. The tester can be easily installed on the alarm and is controlled by pressing and turning a knob to perform the test, ensuring the safety and controllability of the test.
It enables a convenient and safe way to test whether the alarm is working properly, avoids the risk of external gas access, ensures the controllability and safety of the testing process, and does not affect the normal use of the alarm.
Smart Images

Figure CN223784765U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a carbon monoxide alarm technical field, more specifically, a carbon monoxide alarm and its tester. BACKGROUND
[0002] Carbon monoxide (CO) is a colorless, odorless, non-irritating toxic gas, in daily life, especially in gas water heater, gas stove, car exhaust, etc. It is easy to produce incomplete combustion. Carbon monoxide poisoning is one of the common and dangerous accidents in family accidents, so it is necessary to install carbon monoxide alarm in home environment, underground parking lot and other places.
[0003] The carbon monoxide alarm on the market generally has the problems of delayed alarm point after storage or aging for a period of time, inaccuracy, safety hazards in daily use, and even alarm when the leaked gas exceeds the human safety threshold. It has a great threat to personal and property safety.
[0004] In order to ensure the reliability of the alarm, it must be tested regularly. The existing test method usually needs to simulate carbon monoxide leakage by a special gas generating device on site, which is not convenient for ordinary family operation and has certain danger. Therefore, it is of great significance to design a convenient and safe alarm tester to ensure the normal operation of carbon monoxide alarm. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model provides a carbon monoxide alarm and its tester.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A carbon monoxide alarm and its tester, comprising an alarm and a tester that can be installed on the alarm, the tester can be detachably installed on the alarm, the alarm can detect carbon monoxide and is provided with a mounting interface, the tester is provided with a shell and a carbon monoxide generating assembly in the shell, the carbon monoxide generating assembly comprises a heating device and a reaction reagent in the heating device, the tester can generate carbon monoxide through the carbon monoxide generating assembly, the tester is provided with an air pipe that can move up and down, the bottom of the air pipe can be embedded in the mounting interface after moving down, the air pipe can be connected with the carbon monoxide generating assembly and inject carbon monoxide into the alarm through the mounting interface; the tester is provided with a test reagent for testing whether the carbon monoxide generating assembly generates carbon monoxide.
[0008] Preferably, the tester is provided with a mounting pipe penetrating the shell, the air pipe is arranged in the mounting pipe, and the mounting pipe is connected with the carbon monoxide generating assembly and the testing reagent respectively.
[0009] Preferably, the bottom of the air pipe is provided with an air outlet, the air pipe is provided with left and right side through holes which can be connected with the connecting position of the mounting pipe and the carbon monoxide generating assembly and the connecting position of the mounting pipe and the testing reagent respectively, and the air pipe is internally provided with a hollow part connected with the air outlet and the through holes.
[0010] Preferably, the mounting pipe is connected with the carbon monoxide generating assembly and the testing reagent respectively by pipes.
[0011] Preferably, the top of the air pipe is provided with a pressing cap, the bottom of the pressing cap is provided with a buckle extending downward, and the top of the mounting pipe is provided with a clamping hole matched with the buckle.
[0012] Preferably, the tester is provided with a circuit board connected with the carbon monoxide generating assembly and a battery, and the circuit board is provided with an LED lamp and a rotary knob switch protruding out of the shell.
[0013] Preferably, the shell is provided with a window or a transparent wall body through which the testing reagent inside can be observed.
[0014] Preferably, the shell is provided with a bottom surface matched with the structure of the alarm.
[0015] According to the above technical scheme, compared with the prior art, the utility model has the following beneficial technical effects:
[0016] The tester can be conveniently installed on the alarm for detection, and the leakage environment of carbon monoxide can be easily simulated to test whether the alarm works normally. The user does not need to perform complex operations, but only needs to press and rotate the knob to complete the detection process, which is simple and convenient. A small amount of carbon monoxide is safely generated by the internal carbon monoxide generating assembly, so that the risk of potential leakage in the operation process is avoided. The tester is provided with a reagent for detecting whether carbon monoxide is generated, so that the controllability and safety of the test process are ensured. The tester can be detached or left on the alarm for a long time, and does not affect the normal operation of the alarm. This design not only facilitates the user to test, but also ensures the continuous use function of the alarm after testing. At the same time, the shell design meets the appearance and installation requirements of the alarm, and enhances the compatibility of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of the provided drawings.
[0018] Figure 1 It is a sectional structure schematic diagram of the detector.
[0019] Figure 2 It is an exploded structure schematic diagram of the detector.
[0020] Figure 3 It is a three-dimensional structure schematic diagram of the detector.
[0021] Figure 4 It is a three-dimensional structure schematic diagram of the detector and the alarm.
[0022] Figure 5 It is a three-dimensional structure schematic diagram of the detector assembled on the alarm.
[0023] The drawings show that: 100, the alarm; 200, the detector; 110, the mounting interface; 210, the carbon monoxide generating assembly; 211, the heating device; 212, the reaction reagent; 230, the air pipe; 240, the detection reagent; 250, the shell; 260, the mounting pipe; 231, the gas outlet; 232, the butt joint through hole; 233, the hollow part; 201, the pipeline; 234, the pressing cap; 235, the buckle; 261, the clamping hole; 270, the circuit board; 280, the battery; 271, the LED lamp; 272, the knob switch. DETAILED DESCRIPTION
[0024] The present application will now be further described in detail with reference to the drawings. These drawings are simplified schematic diagrams, and only schematically show the basic structure of the present application, and therefore only show the structures related to the present application.
[0025] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0026] In the description of the application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.
[0027] A carbon monoxide alarm and its tester, please refer to Figures 1-5, including the alarm 100 and the detector 200 that can be provided on the alarm 100, the alarm 100 is an alarm 100 that can detect carbon monoxide in the air, and the detector 200 is used to detect whether the alarm 100 can detect carbon monoxide to alarm 100, because the air in the general scene does not contain carbon monoxide, so the detector 200 can generate carbon monoxide to detect whether the alarm 100 can be used normally. The detector 200 can be detachably provided on the alarm 100, and can be installed on the alarm 100 for detection when it is necessary to detect whether the alarm 100 can be used normally. Generally, the detector 200 can not be installed on the alarm 100. The alarm 100 is internally provided with a gas sensor that can detect carbon monoxide, which is usually an electronic chemical sensor, but its type is not limited to the present embodiment, which is prior art and will not be described in detail; the alarm 100 is provided with a mounting interface 110, and the detector 200 can connect the alarm 100 through the mounting interface 110, and the detector 200 is provided with a shell and a carbon monoxide generating assembly 210 in the shell 250, the carbon monoxide generating assembly 210 can generate carbon monoxide and deliver the carbon monoxide to the alarm 110 through the mounting interface 110. The carbon monoxide generating assembly 210 includes a heating device 211 and a reaction reagent 212, the reaction reagent 212 is loaded in a container, the heating device 211 is a resistance wire type heating device that can perform constant temperature heating, and the reaction reagent 212 includes two reactants, and a separation glue is provided between the two reactants. When the reaction reagent 212 is heated, the separation glue between the two reactants in the reaction reagent 212 will melt, so that the two reactants are mixed and heated to generate carbon monoxide. The specific principle of generating carbon monoxide can be referred to in the patent with the application number CN201711245164.0, "A reagent capable of releasing carbon monoxide on site and its preparation and application". The detector 200 is provided with a gas pipe 230 that can move up and down, and the bottom of the gas pipe 230 can protrude out of the shell 250 and be embedded in the mounting interface 110 after moving downward. The gas pipe 230 can connect the carbon monoxide generating assembly 210 and inject carbon monoxide into the alarm 100 through the mounting interface 110. When the alarm 100 operates normally, carbon monoxide is detected and an alarm is given. If there is no alarm, it indicates that the alarm 100 cannot operate normally; the detector 200 is provided with a detection reagent 240 for detecting whether the carbon monoxide generating assembly 211 generates carbon monoxide, and the detection reagent 240 is loaded in a basin-shaped structure. The detection reagent 240 is adsorbed by white cotton. The detection reagent 240 in the present embodiment is palladium tetrachloride, which turns black when it contacts with carbon monoxide at room temperature. The solution is adsorbed on the white cotton and arranged in the disc-shaped structure in the shell 250. The user can judge whether the carbon monoxide generating assembly 210 generates carbon monoxide by observing whether the detection reagent 240 turns black.
[0028] Further, the tester 200 is provided with a mounting pipe 260 penetrating the shell 250, the mounting pipe 260 is in a tubular structure and is arranged in the center of the shell 250, the ventilation pipe 230 is arranged in the mounting pipe 260 and moves up and down in the mounting pipe 260, the mounting pipe 260 is connected with the carbon monoxide generating assembly 210 and the testing reagent 240 respectively, and a pipeline 201 is arranged between the mounting pipe 260 and the carbon monoxide generating assembly 210 and the testing reagent 240 respectively; the tester 200 is provided with a mounting pipe 260 penetrating the shell 250, the ventilation pipe 230 is arranged in the mounting pipe 260, the mounting pipe 260 is connected with the carbon monoxide generating assembly 210 and the testing reagent 240 respectively; the bottom of the ventilation pipe 230 is provided with an air outlet 231, the ventilation pipe 230 is provided with left and right side abutting holes 232 which can be abutted with the connection positions of the mounting pipe 260 and the carbon monoxide generating assembly 210 and the mounting pipe 260 and the testing reagent 240 respectively, and the ventilation pipe 230 is internally provided with a hollow part 233 connected with the air outlet 231 and the abutting hole 232. The mounting pipe 260 is provided with two interfaces respectively connected with the inside, and the two interfaces are connected with the carbon monoxide generating assembly 210 and the testing reagent 240 through the pipeline 201 respectively. When the detector 200 needs to be installed on the alarm 100 for use, the detector 200 is arranged at the position corresponding to the mounting interface 110, then the ventilation pipe 230 is pressed down, the abutting hole 232 of the ventilation pipe 230 is abutted with the interfaces of the mounting pipe 260 and the carbon monoxide generating assembly 210 and the testing reagent 240 after the ventilation pipe 230 moves down, so that the carbon monoxide generated by the carbon monoxide generating assembly 210 can be transported to the testing reagent 240 through the pipeline and the ventilation pipe 230, at the same time, the hollow part 233 is connected with the abutting hole 232 and the air outlet 231, the carbon monoxide enters the ventilation pipe 230 and is injected into the alarm 100 through the air outlet 231.
[0029] Further, the top of the ventilation pipe 230 is provided with a pressing cap 234, the pressing cap 234 is convenient for a user to press the ventilation pipe 230, so that the ventilation pipe 230 is embedded in the mounting interface 110 to install the tester 200 on the alarm 100, the ventilation pipe 230 is connected with the carbon monoxide generating assembly 210 and the testing reagent 240 after the ventilation pipe 230 moves down by pressing the pressing cap 234; the bottom of the pressing cap 234 is provided with a buckle 235 extending downward, the top of the mounting pipe 260 is provided with a clamping hole 261 matched with the buckle 235, the ventilation pipe 230 is pressed down, the buckle 235 is embedded in the clamping hole 261, so that the ventilation pipe 230 and the mounting pipe 260 are buckled, and the position of the ventilation pipe 230 in the mounting pipe 260 is kept, to ensure the stable connection of the alarm 100 and the tester 200 and the normal operation of the tester 200.
[0030] Further, the tester 200 is provided with a circuit board 270 connected with the carbon monoxide generating assembly 210 and a battery 280, the circuit board 270 is provided with an LED lamp 271 and a knob switch 272 protruding out of the shell 250; the shell 250 is provided with a bottom surface matched with the structure of the alarm 100, so as to facilitate the installation of the tester 200 on the alarm 100, the bottom surface of the shell 250 in the utility model is provided with a curved surface structure, so as to cooperate with the structure of the alarm 100; the top of the shell 250 is provided with a transparent wall body, the test reagent 240 is arranged in the shell 250 close to the top, and the state of the test reagent 240 can be observed from the outside of the shell 250. When the tester 200 is used, the tester 200 is placed on the corresponding alarm 100 at the installation interface 110, the air pipe 230 is pressed by pressing the cap 234, the air pipe 230 is embedded at the bottom of the installation interface 110, so that the tester 200 is fixed on the alarm 100, at this time, the air outlet 231 of the air pipe 230 extends into the inside of the alarm 100, the LED lamp 271 will light up after the knob switch 272 is pressed, which indicates that the device is started normally, the knob switch 272 is twisted to the recommended scale, the heating device 211 will heat the reaction reagent 212, the reaction reagent 212 releases carbon monoxide after reaching the reaction temperature, when the white cotton of the test reagent 240 is blackened, it is indicated that carbon monoxide has been released, at this time, the user needs to move away from the alarm 100, and whether the alarm 100 prompts the carbon monoxide leakage alarm is observed, if the alarm can normally alarm, the tester 200 is turned off after the alarm 100 stops alarming, ventilation is maintained, the tester 200 is used for one-time test due to the principle of the reaction reagent 212, the tester 200 can be removed from the alarm 100 after the detection is completed, or can be left on the alarm 100, without disassembly, without affecting the normal use of the alarm 100.
[0031] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those of ordinary skill in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A carbon monoxide alarm and a tester therefor, comprising an alarm (100) and a tester (200) which can be provided on the alarm (100), characterized in that: The tester (200) is detachably arranged on the alarm (100), the alarm (100) can detect carbon monoxide and is provided with a mounting interface (110), the tester (200) is provided with a shell (250) and a carbon monoxide generating assembly (210) arranged in the shell (250), the carbon monoxide generating assembly (210) comprises a heating device (211) and a reaction reagent (212) arranged in the heating device (211), the tester (200) can generate carbon monoxide through the carbon monoxide generating assembly (210), the tester (200) is provided with a ventilating pipe (230) which can move up and down, the bottom of the ventilating pipe (230) can be embedded into the mounting interface (110) after moving downward, the ventilating pipe (230) can be connected with the carbon monoxide generating assembly (210) and inject carbon monoxide into the alarm (100) through the mounting interface (110); the tester (200) is provided with a test reagent (240) for testing whether the carbon monoxide generating assembly (211) generates carbon monoxide.
2. A carbon monoxide alarm and tester according to claim 1, wherein: The tester (200) is provided with a mounting pipe (260) penetrating through the shell (250), the ventilating pipe (230) is arranged in the mounting pipe (260), and the mounting pipe (260) is connected with the carbon monoxide generating assembly (210) and the test reagent (240) respectively.
3. A carbon monoxide alarm and tester according to claim 2, wherein: The bottom of the ventilating pipe (230) is provided with an air outlet (231), the ventilating pipe (230) is provided with left and right side abutting holes (232) which can be connected with the connection positions of the mounting pipe (260) and the carbon monoxide generating assembly (210) and the connection positions of the mounting pipe (260) and the test reagent (240) respectively, and the ventilating pipe (230) is internally provided with a hollow part (233) connected with the air outlet (231) and the abutting holes (232).
4. A carbon monoxide alarm and tester according to claim 2, wherein: The mounting pipe (260) is connected with the carbon monoxide generating assembly (210) and the test reagent (240) through pipes (201) respectively.
5. A carbon monoxide alarm and tester according to claim 2, wherein: The top of the ventilating pipe (230) is provided with a pressing cap (234), the bottom of the pressing cap (234) is provided with a buckle (235) extending downward, and the top of the mounting pipe (260) is provided with a clamping hole (261) matched with the buckle (235).
6. A carbon monoxide alarm and tester according to claim 1, wherein: The tester (200) is provided with a circuit board (270) connected with the carbon monoxide generating assembly (210) and a battery (280), the circuit board (270) is provided with an LED lamp (271) and a rotary knob switch (272) protruding out of the shell (250).
7. A carbon monoxide alarm and tester according to claim 1, wherein: The shell (250) is provided with a window or a transparent wall body through which the test reagent (240) inside can be observed.
8. A carbon monoxide alarm and tester according to claim 1, wherein: The shell (250) is provided with a bottom surface matched with the structure of the alarm (100).
Citation Information
Patent Citations
A reagent capable of releasing carbon monoxide on site as well as preparation and application thereof
CN109867284A