CN221175541U - NB-IOT intelligent smoke detecting alarm - Google Patents

Abstract

The utility model relates to the technical field of smoke detection devices, in particular to an NB-IOT intelligent smoke detection alarm, which comprises a base, a shell arranged on the base and an upper cover arranged on the shell, wherein a smoke detection component is arranged in the shell; a battery compartment is formed in the shell, a guide groove is formed in one side of the battery compartment, a spring arm assembly is arranged in the guide groove, and the spring arm assembly moves along the guide groove in a direction approaching or separating from the upper cover; when the battery is not installed, the spring arm assembly is close to the upper cover and interferes with the upper cover, and when the battery is installed, the spring arm assembly is far away from the upper cover so that the upper cover can be installed on the shell. When the battery is not installed, the spring arm assembly protrudes from the guide groove and forms interference relation with the upper cover, so that personnel can be prompted to install the battery; therefore, the utility model effectively avoids potential safety hazards caused by battery neglected loading, has ingenious and simple structure and lower assembly difficulty and manufacturing cost, and effectively solves the problem that the NB-Iot smoke alarm in the related technology is easy to neglect loading the battery.

Description

NB-IOT intelligent smoke detecting alarm

Technical Field

The application relates to the technical field of smoke detection devices, in particular to an NB-IOT intelligent smoke detection alarm.

Background

NB-Iot smoke alarm refers to novel smoke alarm based on narrowband Internet of things technology. The cloud platform can timely transmit the detected smoke signals to the cloud platform through the NB-IoT network, so that remote monitoring and alarming are achieved.

Compared with the traditional wired smoke alarm, the NB-Iot smoke alarm is characterized in that: the traditional wired smoke alarm has the defects that the wiring is needed, the wiring workload is large, the installation position is required to be installed according to the wiring design, the operation is complex, and the installation is very inconvenient; and the traditional wired smoke alarm equipment failure can not be self-checked, manual inspection is needed, maintenance is difficult, and maintenance cost is high. On one hand, the NB-Iot smoke alarm does not need wiring, and is convenient to install; on the other hand, real-time monitoring and self-checking can be realized through the NB-IoT network, so that the maintenance cost is effectively reduced. And the NB-Iot smoke alarm also solves the problems that the traditional wired smoke alarm is large in structural space occupancy rate, high in failure rate, unfavorable for the overall miniaturization of equipment and the like.

However, when the NB-Iot smoke alarm is powered by a battery, the battery compartment is used as a loading container of the battery, in the existing structure, even if the battery is not put into the battery compartment cover, the battery compartment cover can be normally closed, so that the equipment is easy to fail to work after being installed due to the fact that the battery compartment is not installed, and if the equipment is found in time, the reloaded battery needs to be detached again, so that the operation is complex; if the detection is not timely found, a monitoring blind area exists in the area, and potential safety hazards exist.

Disclosure of utility model

In order to solve the problem that an NB-Iot smoke alarm in the related art is easy to miss a battery, the utility model provides an NB-Iot intelligent smoke detection alarm.

An NB-IOT intelligent smoke detection alarm comprises a base, a shell arranged on the base and an upper cover arranged on the shell, wherein a smoke detection assembly is arranged in the shell; a battery compartment is formed in the shell, a guide groove is formed in one side of the battery compartment, a spring arm assembly is arranged in the guide groove, and the spring arm assembly moves along the guide groove in a direction approaching to or separating from the upper cover; when the battery is not installed, the spring arm assembly is close to the upper cover and interferes with the upper cover, and when the battery is installed, the spring arm assembly is far away from the upper cover so that the upper cover can be installed on the shell.

Further, the preformed hole has been seted up to one side of guide way, bullet arm module including set up in the fixing base of casing, the fixing base is provided with first spring, first spring is provided with bullet arm piece, bullet arm piece has top and bottom, the top of bullet arm piece is worn to locate the preformed hole, the bottom of bullet arm piece is worn to locate the guide way and is located in the battery compartment.

Further, an anti-disassembly component is arranged in the shell, the anti-disassembly component comprises a starting button arranged in the shell and a loudspeaker electrically connected with the starting button, the starting button is provided with a second spring, one end of the second spring is fixedly connected with the starting button, and the other end of the second spring is abutted to the shell.

Further, the housing is provided with an elastic protruding block for being matched with the second spring, the elastic protruding block faces the upper cover, and the second spring is abutted to the elastic protruding block.

Further, still including set up in the SIM installation component of casing, the casing seted up be used for cooperating the draw-in groove of SIM installation component, the SIM installation component including set up in PCB in the draw-in groove, set up in PCB's spacing shell and airtight lid, airtight lid lock in the draw-in groove.

Further, the middle part of the limiting shell is provided with a protruding portion.

Further, the smoke detection assembly comprises a smoke detection piece arranged in the shell, the smoke detection piece comprises a circuit board arranged in the shell, a control unit and a module unit are arranged on the circuit board, a test button is arranged on the circuit board, and the test button faces the base.

Further, the remote control assembly is arranged on the circuit board, and the remote control assembly comprises a wireless infrared receiving control module and an MCU singlechip which are arranged on the circuit board.

The utility model has the following advantages:

1. According to the NB-IOT intelligent smoke detection alarm, the elastic arm component is arranged in the battery bin, when a battery is not installed, the elastic arm component protrudes out of the guide groove and forms an interference relation with the upper cover, so that the shell and the upper cover cannot be buckled, the upper cover is prevented from being installed, and personnel can be prompted to install the battery; after the battery is installed, the spring arm assembly is pressed down by the battery, and the upper cover can be successfully installed on the shell, so that potential safety hazards caused by battery neglected loading are effectively avoided.

2. According to the NB-IOT intelligent smoke detection alarm, the disassembly prevention assembly is arranged on the shell, the loudspeaker is not started when the starting button is in a pressed state, the loudspeaker is started when the starting button is in a free state, the second spring is abutted against the shell, when the intelligent smoke detection alarm is installed, the second spring can squeeze the starting button to be in the pressed state, the loudspeaker does not operate, and when the intelligent smoke detection alarm is disassembled, the starting button is in the free state, so that the loudspeaker starts to give out buzzing to realize the warning and reminding function.

3. According to the NB-IOT intelligent smoke detection alarm, the SIM card is protected by arranging the SIM installation component in the shell, and compared with an installation structure with the exposed SIM, the SIM installation component can effectively avoid the phenomena of falling of the SIM and oxidization of the installation structure, so that the service lives of the SIM installation component and the SIM card are effectively prolonged.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an NB-IOT intelligent smoke detection alarm in accordance with an embodiment of the present application;

FIG. 2 is a schematic diagram of another configuration of an NB-IOT intelligent smoke detection alarm in accordance with an embodiment of the present application;

FIG. 3 is a schematic diagram of the structure of an NB-IOT intelligent smoke detection alarm after the upper cover is removed;

FIG. 4 is a schematic cross-sectional view of an NB-IOT intelligent smoke detection alarm;

FIG. 5 is an enlarged schematic view of a portion A of FIG. 4;

FIG. 6 is a partially enlarged schematic illustration of portion B of FIG. 4;

Fig. 7 is a schematic diagram of a structure of an NB-IOT intelligent smoke detection alarm with a portion of the housing removed.

Reference numerals illustrate:

1. A base; 2. a housing; 21. a battery compartment; 22. a guide groove; 23. a preformed hole; 24. an elastic bump; 25. a clamping groove; 26. pressing the plate; 3. an upper cover; 4. a smoke detection assembly; 41. a smoke detector; 411. a circuit board; 412. a test button; 5. a spring arm assembly; 51. a fixing seat; 52. a first spring; 53. a spring arm block; 531. a top end; 532. a bottom end; 6. an anti-disassembly assembly; 61. a start button; 62. a second spring; 7. a SIM mounting assembly; 71. a PCB; 72. a limit shell; 73. a sealing cover; 8. a remote control assembly; 81. a wireless infrared receiving control module; 82. MCU singlechip.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, an NB-IOT intelligent smoke detection alarm comprises a base 1, a housing 2 provided on the base 1, and an upper cover 3 mounted on the housing 2, wherein a smoke detection assembly 4 is provided in the housing 2. When the NB-IOT intelligent smoke detection alarm is used, the NB-IOT intelligent smoke detection alarm is charged into a battery and is attached to a wall through the upper cover 3, and then the NB-IOT intelligent smoke detection alarm starts to operate.

Specifically, the base 1 is located at the lowest part, in this embodiment, the base 1 is in a bird nest shape, a plurality of air inlet grids are arranged in the base 1, and air can enter the NB-IOT intelligent smoke detection alarm through the air inlet grids. The lower end of the housing 2 is fixedly connected to the upper end of the base 1, and the housing 2 has a space therein for accommodating the smoke detection assembly 4, and the smoke detection assembly 4 is located in the space of the housing 2. The base 1, the shell 2 and the upper cover 3 are all UL94V-0 flame retardant grades so as to ensure normal alarm in case of fire.

Referring to fig. 3, a battery compartment 21 for mounting a battery is formed above the housing 2, and the battery is provided in the battery compartment 21 and electrically connected to the smoke detection assembly 4 for supplying power. In order to avoid missing the battery of the NB-IOT intelligent smoke detection alarm, a guide groove 22 is formed in one side of the battery bin 21, the guide groove 22 extends from the upper side to the lower side of one side of the battery bin 21, a spring arm assembly 5 is arranged in the guide groove 22, and the spring arm assembly 5 moves along the guide groove 22 towards a direction approaching or separating from the upper cover 3. When the battery is not installed, the spring arm assembly 5 will interfere with the upper cover 3 near the upper cover 3, and when the battery is installed, the spring arm assembly 5 is far away from the upper cover 3 so that the upper cover 3 can be mounted to the housing 2.

Referring to fig. 4 and 5, more specifically, a preformed hole 23 is formed at one side of the guide slot 22, the spring arm assembly 5 includes a fixing seat 51 disposed on the housing 2, the fixing seat 51 is provided with a first spring 52, one end of the first spring 52 is fixedly connected with the fixing seat 51, the other end of the first spring 52 is provided with a spring arm block 53, the spring arm block 53 has elastic deformation capability, the spring arm block 53 has a top end 531 and a bottom end 532, the top end 531 of the spring arm block 53 is disposed through the preformed hole 23 and is slidably connected with the preformed hole 23, the bottom end 532 of the spring arm block 53 is disposed through the guide slot 22 and is disposed in the battery compartment 21, and the spring arm block 53 can move up and down relative to the guide slot 22.

Through setting up bullet arm assembly 5, when natural state, first spring 52 can exert a power of keeping away from battery compartment 21 to bullet arm piece 53 for the top 531 of bullet arm piece 53 wears out from preformed hole 23, if install upper cover 3 at this moment, upper cover 3 can interfere with top 531, makes casing 2 and upper cover 3 can not the lock, thereby prevents upper cover 3 installation, can prompt personnel to install the battery. After the battery is installed, the spring arm assembly 5 is pressed down by the battery, the bottom end 532 drives the top end 531 to descend, the top end 531 is retracted into the reserved hole 23, and the upper cover 3 can be successfully installed on the shell 2 at the moment, so that potential safety hazards caused by missing of the battery are effectively avoided.

Referring to fig. 4 and 7, the smoke detection assembly 4 comprises a smoke detector 41 disposed within the housing 2. Specifically, the smoke detector 41 includes a circuit board 411 provided in the housing 2, and the circuit board 411 is provided with a control unit and a module unit electrically connected to the control unit. In this embodiment, the module unit includes an audible and visual alarm module, an NB-IOT intelligent networking module, a timing test module, and a pickup module. The audible and visual alarm module is used for driving relevant components to emit sound and light to alarm, the NB-IOT intelligent networking module is used for networking and data transmission, the timing test module is used for starting the smoke detection assembly 4 at regular time to perform self-checking, and the pickup module is used for detecting alarm sound. The control unit and the module unit are all in the prior art and can be obtained through purchase, and the specific structure and the working principle are not repeated.

Meanwhile, a test button 412 is arranged on the circuit board 411, the test button 412 faces the base 1, a pressing plate 26 corresponding to the protection test button 412 is arranged on the shell 2, and the test button 412 can be pressed down through the pressing plate 26 to perform self-checking of the smoke detection assembly 4, so that the smoke detection assembly 4 can be ensured to operate normally through self-checking before delivery and use.

Referring to fig. 7, the nb-IOT intelligent smoke detection alarm further includes a remote control component 8 disposed on a circuit board 411, where the remote control component 8 includes a wireless infrared receiving control module 81 disposed on the circuit board 411, an MCU singlechip 82 electrically connected to the wireless infrared receiving control module 81, and a switch module. The wireless infrared receiving control module 81 adopts a small-sized design, is internally provided with a special IC, can receive at a wide angle and a long distance, and has the characteristics of strong anti-interference capability, environment interference light resistance, low-voltage operation and the like. The wireless infrared receiving control module 81 is used for receiving an external instruction to transmit a signal to the MCU singlechip 82, and the MCU singlechip 82 can perform function setting according to the external instruction, start the switch module to alarm and close the switch module to close the false alarm. The remote control assembly 8 is also of the prior art, and is available through purchase, and the specific structure and working principle thereof are not described again.

In the present embodiment, the smoke detection assembly 4 further includes a temperature sensor and a humidity sensor disposed on the circuit board 411, and the temperature sensor and the humidity sensor can acquire real-time temperature and humidity, thereby increasing the accuracy of detection and alarm. It will be appreciated by those skilled in the art that the various functional modules described above may be added or subtracted as desired.

Referring to fig. 4 and 6, in order to avoid misdisassembly of the NB-IOT intelligent smoke detection alarm, an anti-disassembly assembly 6 is also provided in the housing 2. Specifically, the tamper assembly 6 includes a start button 61 provided on the circuit board 411 and electrically connected to the start button 61 through a battery, and a speaker (not shown in the figure), the start button 61 is provided with a second spring 62, one end of the second spring 62 is fixedly connected to the start button 61, and the other end of the second spring 62 abuts against the housing 2. The housing 2 is provided with an elastic bump 24 for engaging the second spring 62, the elastic bump 24 facing the upper cover 3, the second spring 62 abutting against the elastic bump 24.

By providing the tamper assembly 6 on the housing 2, the activation button 61 will not activate the horn when the activation button 61 is in a depressed state, and will activate the horn when the activation button 61 is in a free state. Utilize second spring 62 butt at casing 2, when intelligent smoke detection alarm is installed, second spring 62 can extrude and make start button 61 be in the state of pressing, and the loudspeaker is inoperative, and when intelligent smoke detection alarm was detached, second spring 62 released, start button 61 was in the free state along with second spring 62, and loudspeaker starts and sends buzzing in order to realize warning and remind the function.

Referring to fig. 6, to secure the SIM card and prevent oxidative collapse of the securing structure, the NB-IOT intelligent smoke detection alarm further comprises a SIM mounting assembly 7 provided to the housing 2. Specifically, the casing 2 is provided with a card slot 25 for matching with the SIM installation assembly 7, the SIM installation assembly 7 comprises a PCB71 arranged in the card slot 25, the PCB71 is electrically connected to a circuit board 411, a limiting shell 72 for installing the SIM card is arranged on the PCB71, a protruding portion is arranged in the middle of the limiting shell 72, and when the SIM card is installed in the limiting shell 72, the protruding portion can jack up the SIM card so that the SIM card is clung to the upper portion of the limiting shell 72 and contacts with each contact. The clamping groove 25 is detachably provided with a sealing cover 73, and the clamping groove 25 can be closed or opened by buckling or disassembling the sealing cover 73 so as to install and disassemble the SIM card. Through setting up SIM installation component 7 and protecting, compare in the exposed outside mounting structure of SIM, SIM installation component 7 can effectively avoid the phenomenon that the SIM drops and mounting structure oxidizes to effectively improve the life of SIM installation component 7 and SIM card.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (8)

1. The NB-IOT intelligent smoke detection alarm is characterized by comprising a base (1), a shell (2) arranged on the base (1) and an upper cover (3) arranged on the shell (2), wherein a smoke detection assembly (4) is arranged in the shell (2); a battery compartment (21) is formed in the shell (2), a guide groove (22) is formed in one side of the battery compartment (21), a spring arm assembly (5) is arranged in the guide groove (22), and the spring arm assembly (5) moves along the guide groove (22) towards a direction approaching or far away from the upper cover (3); when no battery is installed, the spring arm assembly (5) is close to the upper cover (3) and interferes with the upper cover (3), and when the battery is installed, the spring arm assembly (5) is far away from the upper cover (3) so that the upper cover (3) can be installed on the shell (2).

2. The NB-IOT intelligent smoke detection alarm according to claim 1, wherein a preformed hole (23) is formed in one side of the guide groove (22), the spring arm assembly (5) comprises a fixing seat (51) arranged on the housing (2), the fixing seat (51) is provided with a first spring (52), the first spring (52) is provided with a spring arm block (53), the spring arm block (53) is provided with a top end (531) and a bottom end (532), the top end (531) of the spring arm block (53) is arranged in the preformed hole (23) in a penetrating mode, and the bottom end (532) of the spring arm block (53) is arranged in the guide groove (22) in a penetrating mode and located in the battery compartment (21).

3. The NB-IOT intelligent smoke detection alarm according to claim 1, wherein an anti-disassembly component (6) is provided in the housing (2), the anti-disassembly component (6) comprises a start button (61) provided in the housing (2) and a horn electrically connected with the start button (61), the start button (61) is provided with a second spring (62), one end of the second spring (62) is fixedly connected with the start button (61), and the other end of the second spring (62) is abutted to the housing (2).

4. A NB-IOT intelligent smoke detection alarm according to claim 3 wherein the housing (2) is provided with a resilient projection (24) for engaging the second spring (62), the resilient projection (24) being directed towards the upper cover (3), the second spring (62) abutting against the resilient projection (24).

5. The NB-IOT intelligent smoke detection alarm according to any of claims 1-4, further comprising a SIM installation assembly (7) disposed in the housing (2), wherein the housing (2) is provided with a clamping groove (25) for matching with the SIM installation assembly (7), and the SIM installation assembly (7) comprises a PCB (71) disposed in the clamping groove (25), a limiting shell (72) disposed on the PCB (71), and a sealing cover (73), wherein the sealing cover (73) is buckled in the clamping groove (25).

6. The NB-IOT intelligent smoke detection alarm as recited in claim 5, wherein a boss is provided in a middle portion of the limiting case (72).

7. The NB-IOT intelligent smoke detection alarm of claim 1, wherein the smoke detection assembly (4) comprises a smoke detection member (41) arranged in the housing (2), the smoke detection member (41) comprises a circuit board (411) arranged in the housing (2), a control unit and a module unit are arranged on the circuit board (411), a test button (412) is arranged on the circuit board (411), and the test button (412) faces the base (1).

8. The NB-IOT intelligent smoke detection alarm of claim 7, further comprising a remote control assembly (8) disposed on the circuit board (411), wherein the remote control assembly (8) comprises a wireless infrared receiving control module (81) and an MCU singlechip (82) disposed on the circuit board (411).