CN210804689U - Independent photoelectric smoke-sensing fire detection alarm - Google Patents
Independent photoelectric smoke-sensing fire detection alarm Download PDFInfo
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- CN210804689U CN210804689U CN201922422549.0U CN201922422549U CN210804689U CN 210804689 U CN210804689 U CN 210804689U CN 201922422549 U CN201922422549 U CN 201922422549U CN 210804689 U CN210804689 U CN 210804689U
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Abstract
The utility model relates to an independent photoelectric smoke fire detection alarm, which comprises a base and an upper cover, wherein a labyrinth, a PCBA board connected with the labyrinth and a middle frame used for placing a battery are sequentially arranged in a cavity formed by the base and the upper cover from top to bottom, the peripheral edge of the middle frame is provided with a clamping groove used for being clamped with the upper cover, and the bottom of the middle frame protrudes upwards and is used for being screwed with the base; the top surface of the upper cover is conical, and the top of the cone is provided with an opening; the labyrinth is wholly stepped shaft form, including first cylinder and the second cylinder of setting in first cylinder below, first cylinder and second cylinder coaxial coupling, the external diameter of first cylinder is less than open-ended internal diameter, and the external diameter of second cylinder is greater than open-ended internal diameter, and first cylinder upwards passes the opening. The utility model discloses simple structure is convenient for install, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the fire control, concretely relates to stand alone type photoelectric smoke fire detection alarm.
Background
With the continuous development of security technologies, users have higher requirements on security, and have further requirements on the appearance, installation mode and cost performance of security products.
In the related art, the detector has more limitations in installation and operation because the requirement of the installation position causes time-consuming and labor-consuming installation and is not easy to manage.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the not enough of prior art, provide a stand alone type photoelectric sensing smoke fire detection alarm in order to solve the problem that current detector installation is wasted time and energy and is difficult for the management.
In order to realize the above purpose, the utility model adopts the following technical scheme: a freestanding photoelectric smoke-sensing fire detection alarm comprising: the battery box comprises a base and an upper cover, wherein a labyrinth, a PCBA (printed Circuit Board Assembly) connected with the labyrinth and a middle frame for placing a battery are sequentially arranged in a cavity formed by the base and the upper cover from top to bottom, clamping grooves are formed in the peripheral edge of the middle frame and used for being clamped with the upper cover, and the bottom of the middle frame protrudes upwards and is used for being screwed with the base;
the top surface of the upper cover is conical, and an opening is formed in the top of the cone;
the labyrinth is wholly stepped shaft form, including first cylinder and the second cylinder of setting in first cylinder below, first cylinder and second cylinder coaxial coupling, the external diameter of first cylinder is less than open-ended internal diameter, the external diameter of second cylinder is greater than open-ended internal diameter, first cylinder upwards passes the opening.
Further, be equipped with in the cavity of second cylinder and feel cigarette sensor, be equipped with infrared sensor, treater and LED lamp on the PCBA board, feel cigarette sensor, infrared sensor and LED lamp respectively with the treater is connected.
Further, the PCBA board is also provided with
An NB-IoT communication module and a SIM card;
one end of the NB-IoT communication module is connected with the processor, and the other end of the NB-IoT communication module is connected with the SIM card.
Further, the maze further comprises:
the labyrinth upper cover, the labyrinth upper cover is on first cylinder, a plurality of rectangular holes of labyrinth upper cover border department, the labyrinth upper cover with second cylinder snap-fit.
Furthermore, a reticular smoke inlet hole is formed in the shell of the first cylinder.
Further, the method also comprises the following steps:
the detector top cap, the detector top cap is equipped with a plurality of checkposts, be used for with the opening joint.
Furthermore, the top surface of the upper cover is also provided with
A speaker coupled to the processor.
Furthermore, the middle frame is provided with
And the SIM card slot is used for placing an SIM card, and an SIM card cover is arranged on the SIM card slot.
Furthermore, the top surface of the upper cover is also provided with
The self-checking/silencing button is used for receiving a self-checking instruction or a silencing instruction of a user, the self-checking instruction is used for self-checking of the detection alarm, and the silencing instruction is used for silencing the detection alarm;
the self-check/mute button is connected with the processor.
Furthermore, the outer surface of the detection alarm is provided with an ABS flame retardant material.
The utility model adopts the above technical scheme, the beneficial effect that can reach includes:
the embodiment of the application provides a pair of stand alone type photoelectric smoke detection fire detection alarm, set gradually the maze, with the PCBA board that the maze links to each other and be used for putting the center of battery by from the top down in the cavity that constitutes through base and upper cover for the installation of being convenient for of detection alarm simple structure in this application, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an independent photoelectric smoke-sensing fire detection alarm of the present invention;
fig. 2 is an exploded view of a stand-alone photoelectric smoke-sensing fire detection alarm of the present invention;
fig. 3 is a top view of the utility model discloses a stand alone type photoelectric smoke detection fire detection alarm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A specific self-contained photoelectric smoke fire detection alarm provided in an embodiment of the present application will now be described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a stand alone type photoelectric smoke detection fire detection alarm, include: a base 12 and an upper cover 2;
as shown in fig. 1 and 2, a labyrinth 4, a PCBA board 5 connected with the labyrinth 4, and a middle frame 10 for placing a battery 11 are sequentially arranged from top to bottom in a cavity formed by the base 12 and the upper cover 2, a clamping groove 101 is arranged at the peripheral edge of the middle frame 10 for clamping with the upper cover 2, and the bottom of the middle frame 10 protrudes upwards for screwing with the base 12;
the top surface of the upper cover 2 is conical, and the top of the cone is provided with an opening 21;
the labyrinth 4 is wholly in a stepped shaft shape and comprises a first cylinder 41 and a second cylinder 42 arranged below the first cylinder 41, the first cylinder 41 is coaxially connected with the second cylinder 42, the outer diameter of the first cylinder 41 is smaller than the inner diameter of the opening 21, the outer diameter of the second cylinder 42 is larger than the inner diameter of the opening 21, and the first cylinder 41 upwards penetrates through the opening 21.
Specifically, as shown in fig. 2, the shape of the middle frame 10 is the same as that of the upper cover 2, the peripheral edge of the middle frame 10 is provided with a clamping groove 101, a clamping block protrusion (not shown in the figure) is arranged inside the edge of the upper cover 2, and the upper cover 2 is clamped with the clamping groove 101 on the middle frame 10 through the clamping block protrusion. The bottom of the middle frame 10 is protruded upwards, an internal thread (not shown in the figure) is arranged at the protruded part, an external thread is arranged on the base 12, and the middle frame 10 is screwed with the external thread on the base 12 through the internal thread at the protruded part. The middle frame 10 is also provided with a battery groove for placing the battery 11, wherein the battery 11 is a dry battery, the battery groove is internally provided with a positive spring 14, a negative spring 7 and a positive and negative spring 8, and the edge of the middle frame 10 is also internally provided with an interference spring 17 for clamping the middle frame 10 and the upper cover 2.
Preferably, be equipped with in the cavity of second cylinder 42 and feel cigarette sensor (not shown in the figure), be equipped with infrared sensor 6, treater (not shown in the figure) and LED lamp (not shown in the figure) on the PCBA board 5, feel cigarette sensor, infrared sensor 6 and LED lamp respectively with the treater is connected.
Specifically, the smoke sensor is used for detecting smoke concentration, the infrared sensor 6 is used for detecting whether people exist around the detection alarm, the LED lamp is used for indicating the working state of the detection alarm, and the LED lamp is used.
In some embodiments, the PCBA board 5 is further provided with
An NB-IoT communication module 16 and a SIM card (not shown in the figure);
the NB-IoT communication module 16 is connected to the processor at one end and to the SIM card at the other end.
Specifically, the system further comprises an NB-IoT communication module for realizing wireless communication and an SIM card for receiving wireless signals, the processor performs data communication between the NB communication module and the SIM card, the remote monitoring and detection alarm of the APP of the user mobile phone can be realized, the safety of the smoke sensing environment is improved, and the cost of workers is greatly reduced.
Specifically, the theory of operation of the stand alone type photoelectric smoke fire detector that this application provided is: the smoke sensor collects the smoke concentration of the environment where the detector is located in real time and sends a signal to the processor, the infrared sensor 6 detects whether a person is in the range where the detector is located and sends a signal to the processor, when the smoke concentration value is larger than a smoke threshold value preset in the processor, the processor judges whether a person is around according to the signal of the infrared sensor 6, when a person is around, the processor sends surrounding person information and alarm information to the monitoring terminal through the NB-IoT communication module 16, the monitoring terminal can contact the person around the detector according to the received person information, the person does not need to arrive at the site in person, the fire fighting time is shortened, and the fire fighting efficiency is higher; when nobody is around, the processor sends nobody information and alarm information around to the monitoring terminal through the NB-IoT communication module 16, and the monitoring terminal can send out corresponding personnel immediately after receiving the alarm signal to prevent or fight a fire so as to avoid expansion of the fire.
The infrared sensor 6 is made of ceramic oxide or piezoelectric crystal element, and has two electrodes on its two surfaces, so that when the temperature changes in the monitoring range of the sensor, the pyroelectric effect will produce electric charge on the two electrodes, i.e. weak voltage is produced between the two electrodes. Because of its extremely high output impedance, a field effect transistor is provided in the sensor for impedance conversion. The electric charge generated by the pyroelectric effect is combined by ions in the air and disappears, but when the environmental temperature is not changed, the sensor does not output, and when a human body enters the detection area, the temperature is changed due to the difference between the human body temperature and the environmental temperature, and the temperature is output; if the human body does not move after entering the detection area, the temperature does not change and the sensor does not output any output, so that the infrared sensor 6 can detect the movement of the human body or the animal.
The monitoring terminal can be a mobile phone, a computer or a tablet computer and the like.
In some embodiments, the labyrinth 4 further comprises:
the labyrinth upper cover 3 covers the first cylinder 41, a plurality of rectangular holes are formed in the edge of the labyrinth upper cover 3, and the labyrinth upper cover 3 is in snap fit with the second cylinder 42.
Specifically, the lower edge of the labyrinth upper cover 3 is provided with a buckle 31, and the labyrinth upper cover 3 is in buckle fit with the upper edge of the second cylinder 42.
In some embodiments, the first cylinder 41 has a mesh-shaped smoke inlet on its outer shell. The netted smoke inlet is used for smoke to enter the labyrinth 4, and meanwhile, the netted smoke inlet can limit flying insects such as mosquitoes and flies to enter the netted smoke inlet, so that the damage of the detection alarm is caused, and the cleanness of the detection alarm can be kept.
In some embodiments, the present application provides a standalone photoelectric smoke detection fire detection alarm, further comprising:
the detector top cover 1, the detector top cover 1 is equipped with a plurality of checkposts 101 for with opening 21 joint.
Preferably, as shown in fig. 3, the top surface of the upper cover 2 is further provided with
A speaker 9, the speaker 9 being connected to the processor.
Preferably, the middle frame 10 is provided with
And the SIM card slot is used for placing an SIM card, and the SIM card slot is provided with an SIM card cover 15.
Preferably, the top surface of the upper cover 2 is also provided with
The self-checking/silencing button 13 is used for receiving a self-checking instruction or a silencing instruction of a user, the self-checking instruction is used for self-checking of the detection alarm, and the silencing instruction is used for silencing the detection alarm;
the self-test/mute button 13 is connected to the processor.
Specifically, the self-checking/silencing button 13 can be used for detecting whether the alarm is normal or not when the alarm is not used, specifically, when the alarm is detected in a test, the self-checking/silencing button is pressed, the detector sends an alarm signal, and then the alarm is proved to be normal.
In some embodiments, the outer surface of the detection alarm is provided with an ABS flame retardant material. The ABS flame retardant material can prevent the detection alarm from being burnt out when a fire disaster happens.
To sum up, the utility model provides a stand alone type photoelectric sensing smoke fire detection alarm sets gradually the maze, the PCBA board that links to each other with the maze and is used for putting the center of battery in the cavity that base and upper cover constitute through the top down for the installation of being convenient for of detection alarm in this application simple structure, convenient to use.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A stand-alone photoelectric smoke fire detection alarm, comprising: the battery box comprises a base and an upper cover, wherein a labyrinth, a PCBA (printed Circuit Board Assembly) connected with the labyrinth and a middle frame for placing a battery are sequentially arranged in a cavity formed by the base and the upper cover from top to bottom, clamping grooves are formed in the peripheral edge of the middle frame and used for being clamped with the upper cover, and the bottom of the middle frame protrudes upwards and is used for being screwed with the base;
the top surface of the upper cover is conical, and an opening is formed in the top of the cone;
the labyrinth is wholly stepped shaft form, including first cylinder and the second cylinder of setting in first cylinder below, first cylinder and second cylinder coaxial coupling, the external diameter of first cylinder is less than open-ended internal diameter, the external diameter of second cylinder is greater than open-ended internal diameter, first cylinder upwards passes the opening.
2. A self-contained photoelectric smoke fire detection alarm according to claim 1,
be equipped with in the cavity of second cylinder and feel cigarette sensor, be equipped with infrared sensor, treater and LED lamp on the PCBA board, feel cigarette sensor, infrared sensor and LED lamp respectively with the treater is connected.
3. A self-contained photoelectric smoke and fire detection alarm as claimed in claim 2 wherein the PCBA board is further provided with
An NB-IoT communication module and a SIM card;
one end of the NB-IoT communication module is connected with the processor, and the other end of the NB-IoT communication module is connected with the SIM card.
4. A self-contained photoelectric smoke fire detection alarm according to claim 1 wherein the labyrinth further comprises:
the labyrinth upper cover, the labyrinth upper cover is on first cylinder, a plurality of rectangular holes of labyrinth upper cover border department, the labyrinth upper cover with second cylinder snap-fit.
5. A self-contained photoelectric smoke fire detection alarm according to claim 1,
the shell of the first cylinder is provided with a mesh-shaped smoke inlet.
6. A self-contained photoelectric smoke fire detection alarm as claimed in claim 1 further comprising:
the detector top cap, the detector top cap is equipped with a plurality of checkposts, be used for with the opening joint.
7. A self-contained photoelectric smoke fire detection alarm as claimed in claim 2 wherein the top surface of the upper cover is further provided with a resilient member
A speaker coupled to the processor.
8. A self-contained photoelectric smoke and fire detection alarm as claimed in claim 3 wherein said centre frame is provided with a window
And the SIM card slot is used for placing an SIM card, and an SIM card cover is arranged on the SIM card slot.
9. A self-contained photoelectric smoke fire detection alarm as claimed in claim 2 wherein the top surface of the upper cover is further provided with a resilient member
The self-checking/silencing button is used for receiving a self-checking instruction or a silencing instruction of a user, the self-checking instruction is used for self-checking of the detection alarm, and the silencing instruction is used for silencing the detection alarm;
the self-check/mute button is connected with the processor.
10. A self-contained photoelectric smoke fire detection alarm according to any one of claims 1 to 9,
and an ABS flame-retardant material is arranged on the outer surface of the detection alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422549.0U CN210804689U (en) | 2019-12-27 | 2019-12-27 | Independent photoelectric smoke-sensing fire detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922422549.0U CN210804689U (en) | 2019-12-27 | 2019-12-27 | Independent photoelectric smoke-sensing fire detection alarm |
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| Publication Number | Publication Date |
|---|---|
| CN210804689U true CN210804689U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922422549.0U Active CN210804689U (en) | 2019-12-27 | 2019-12-27 | Independent photoelectric smoke-sensing fire detection alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614299A (en) * | 2021-01-06 | 2021-04-06 | 桂林电子科技大学 | Stand alone type photoelectric smoke sensing fire detector based on NB IoT |
| CN113936412A (en) * | 2021-10-27 | 2022-01-14 | 济南本安科技发展有限公司 | Independent fire detection alarm |
-
2019
- 2019-12-27 CN CN201922422549.0U patent/CN210804689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112614299A (en) * | 2021-01-06 | 2021-04-06 | 桂林电子科技大学 | Stand alone type photoelectric smoke sensing fire detector based on NB IoT |
| CN113936412A (en) * | 2021-10-27 | 2022-01-14 | 济南本安科技发展有限公司 | Independent fire detection alarm |
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