CN219778303U - Sensor - Google Patents

Abstract

The utility model discloses a sensor, which belongs to the technical field of fire-fighting equipment and comprises a positioning box and a sensor main body movably connected below the positioning box, wherein a positioning sleeve is fixedly connected in the positioning box, positioning blocks matched with the positioning sleeve are fixedly connected to the surface of the sensor main body, through holes are formed in the corresponding positions of the positioning box and the positioning sleeve, positioning pins are movably connected in the through holes of the positioning box and the positioning sleeve, a filter screen is mounted at the bottom of the sensor main body, a fixing rod is fixedly connected in the sensor main body, a smoke sensor is mounted on the surface of the fixing rod, a driving motor is mounted at the bottom of the fixing rod, a driving shaft is fixedly connected to the output end of the driving motor, and a cleaning plate is fixedly connected to the bottom of the driving shaft. The sensor is convenient to assemble and disassemble, convenient to maintain and replace in the later period, and capable of automatically cleaning the filter screen, and improves the accuracy of the alarm effect.

Description

Sensor

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to a sensor.

Background

The smoke sensor is widely used as a common alarm device in the fire protection field, is also called a smoke alarm or a smoke sensing alarm, can detect smoke generated during fire, adopts a photoelectric smoke sensing device inside, can be widely applied to places such as shops, hotels, shops, warehouses, machine rooms, houses and the like for fire safety detection, is internally provided with a buzzer, and can make a strong sound after alarming. The existing sensor mounting process is mostly realized by bolts, so that a plurality of bolts are required to be assembled and disassembled firstly when the existing sensor is assembled and disassembled, and the assembly and the disassembly are inconvenient.

Through searching, the patent with the publication number of CN214752187U discloses a smoke gas sensor for intelligent fire control, and the installation is realized through the connection between a support and the smoke sensor in the patent, but the installation process is realized through bolts, so that a plurality of bolts are required to be assembled and disassembled firstly when the smoke gas sensor is assembled and disassembled, and the assembly and the disassembly are inconvenient.

Disclosure of Invention

The present utility model is directed to a sensor, and aims to solve the problem that the mounting process of the sensor proposed in the prior art is mostly implemented by bolts, so that a plurality of bolts need to be first mounted and dismounted when the sensor is mounted and dismounted, and the mounting and dismounting are inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sensor comprises a positioning box and a sensor main body movably connected below the positioning box, wherein a positioning sleeve is fixedly connected in the positioning box, a positioning block matched with the positioning sleeve is fixedly connected on the surface of the sensor main body, through holes are formed in the corresponding positions of the positioning box and the positioning sleeve, positioning pins are movably connected in the through holes of the positioning box and the positioning sleeve, and positioning holes matched with the positioning pins are formed in the positioning block;

the filter screen is installed to the bottom of sensor main part, and fixedly connected with dead lever in the sensor main part, the surface mounting of dead lever has smoke transducer, and installs driving motor in the bottom of dead lever, driving motor's output fixedly connected with drive shaft, and the bottom fixedly connected with of drive shaft is used for carrying out the cleaning plate of clearance to the filter screen.

In a further embodiment, a plurality of fan blades are mounted on the outer wall of the driving shaft, and exhaust holes are formed in the outer walls of the periphery of the sensor main body.

In a further embodiment, the outer wall of the positioning pin is fixedly connected with a fixing ring, and a fixing spring for supporting the fixing ring is sleeved outside the fixing ring.

In a further embodiment, a plurality of first mounting holes are formed in the outer wall of the sensor body, and an alarm is mounted in each of the plurality of first mounting holes of the sensor body.

In a further embodiment, a second mounting hole is formed in the sensor body below the alarm, and a warning lamp is mounted in the second mounting hole of the sensor body.

In a further embodiment, the outer walls of the two sides of the positioning box are fixedly connected with mounting blocks for mounting the positioning box, and threaded holes are formed in the mounting blocks.

The utility model has the technical effects and advantages that:

according to the sensor, the fixing ring is supported through the fixing spring, so that the positioning pin is inserted into the positioning hole of the positioning block, the installation of the sensor main body can be rapidly completed, and meanwhile, the positioning pin is pulled to separate from the positioning block, so that the sensor main body can be rapidly disassembled, and the later maintenance and replacement are facilitated;

the driving motor drives the driving shaft and the cleaning plate to rotate, so that the filter screen can be automatically cleaned, and the phenomenon that smoke cannot enter the sensor main body for the first time due to the fact that impurities such as dust are covered on the filter screen is avoided, and the accuracy of an alarm effect is affected;

the fan blade type smoke sensor has the advantages that the fan blades are driven by the driving motor to rotate, indoor air can be sucked into the sensor main body, the capturing range and the flowing speed of the indoor air are improved, the smoke sensor is facilitated to detect, the sensor is more sensitive, the sensor is convenient to assemble and disassemble, later maintenance and replacement are facilitated, the filter screen can be automatically cleaned, and the accuracy of an alarm effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the positioning box of the present utility model;

FIG. 3 is a schematic view of the structure of the sensor body of the present utility model;

fig. 4 is a cross-sectional view of a sensor body of the present utility model.

In the figure: 1. a positioning box; 11. a positioning sleeve; 12. a positioning pin; 13. a fixing ring; 14. a fixed spring; 15. a mounting block;

2. a sensor body; 21. a positioning block; 22. an alarm; 23. a warning light; 24. a filter screen;

3. a fixed rod; 31. a smoke sensor; 32. a drive motor; 33. a drive shaft; 34. a fan blade; 35. and cleaning the plate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to disassemble and assemble the sensor main body 2 quickly, the later maintenance and replacement are convenient, as shown in fig. 1, 2 and 3, the positioning box 1 is fixedly connected with a positioning sleeve 11 through screws, the bottom of the positioning box 1 is movably connected with the sensor main body 2, the surface of the sensor main body 2 is fixedly connected with a positioning block 21 matched with the positioning sleeve 11 through screws, through holes are formed in the corresponding positions of the positioning box 1 and the positioning sleeve 11, positioning pins 12 are movably connected in the through holes of the positioning box 1 and the positioning sleeve 11, positioning holes matched with the positioning pins 12 are formed in the positioning block 21, the outer wall of the positioning pin 12 is fixedly connected with a fixing ring 13, fixing springs 14 for supporting the fixing ring 13 are sleeved outside the fixing ring 13, two side outer walls of the positioning box 1 are integrally formed with mounting blocks 15 for mounting the positioning box 1, threaded holes are formed in the mounting blocks 15, the positioning box 1 is conveniently connected with a wall body through the fixing springs 14, the positioning pins 12 are inserted into the positioning holes of the positioning blocks 21, and the sensor main body 2 can be quickly assembled and disassembled, and the sensor main body 2 can be quickly disassembled and replaced.

In order to automatically clean the filter screen 24 and make the sensor more sensitive, as shown in fig. 1, 3 and 4, the filter screen 24 is installed at the bottom of the sensor main body 2, the filter screen 24 can play roles in preventing dust and blocking sundries from entering the sensor main body 2, a fixing rod 3 is fixedly connected in the sensor main body 2 through a screw, a smoke sensor 31 is installed on the surface of the fixing rod 3, the smoke sensor 31 is in the prior art, the structure is not repeated herein, a plurality of first installation holes are formed in the outer wall of the sensor main body 2, an alarm 22 is installed in each of the first installation holes of the sensor main body 2, a second installation hole is formed in the sensor main body 2 below the alarm 22, and a warning lamp 23 is installed in the second installation hole of the sensor main body 2;

the bottom of dead lever 3 passes through the screw and installs driving motor 32, driving motor 32's output passes through shaft coupling fixedly connected with drive shaft 33, a plurality of flabellum 34 are installed to the outer wall of drive shaft 33, the angle of flabellum 34 can set up according to the in-service use demand, when driving motor 32 rotates, the effect of breathing in is played, the exhaust hole has all been seted up to outer wall around the sensor main part 2, and driving shaft 33's bottom fixedly connected with is used for carrying out the cleaning plate 35 of clearance to filter screen 24, cleaning plate 35's bottom is equipped with the brush hair, drive a plurality of flabellums 34 through driving motor 32 and rotate, in sucking the sensor main part 2 with indoor air, improve the capture scope and the velocity of flow to indoor air, be favorable to smoke sensor 31 to detect, make this sensor more sensitive, drive shaft 33 drives cleaning plate 35 simultaneously and rotates, automatic clear up filter screen 24, avoid covering on filter screen 24 because of impurity such as dust, lead to smog unable first time entering sensor main part 2, influence the accuracy of warning effect.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Working principle:

when the sensor is used, the positioning box 1 is mounted at a proper position on a wall body through the screw matched with the mounting block 15, the positioning block 21 is inserted into the positioning sleeve 11, the fixed spring 14 supports the fixed ring 13, the positioning pin 12 is inserted into the positioning hole of the positioning block 21, the mounting of the sensor main body 2 can be rapidly completed, meanwhile, the driving motor 32 is started, the fan blades 34 are driven to rotate by the driving motor 32, indoor air is sucked into the sensor main body 2, the capturing range and the flowing speed of the indoor air are improved, the detection of the smoke sensor 31 is facilitated, the sensor is more sensitive, meanwhile, the driving shaft 33 drives the cleaning plate 35 to rotate, the filter screen 24 is automatically cleaned, and the phenomenon that smoke cannot enter the sensor main body 2 for the first time due to dust and other impurities is avoided, and the accuracy of an alarm effect is influenced;

when the sensor main body 2 needs to be disassembled, the positioning pin 12 is pulled to separate the positioning pin 12 from the positioning block 21, and the positioning block 21 is taken out from the positioning sleeve 11, so that the sensor main body 2 can be quickly disassembled, and the later maintenance and replacement are facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a sensor, includes locating box (1) and swing joint in sensor main part (2) of locating box (1) below, its characterized in that: the sensor comprises a sensor body (2), a positioning sleeve (11) is fixedly connected in the positioning box (1), a positioning block (21) matched with the positioning sleeve (11) is fixedly connected to the surface of the sensor body (2), through holes are formed in corresponding positions of the positioning box (1) and the positioning sleeve (11), positioning pins (12) are movably connected in the through holes of the positioning box (1) and the positioning sleeve (11), and positioning holes matched with the positioning pins (12) are formed in the positioning block (21);

the filter screen (24) is installed to the bottom of sensor main part (2), and fixedly connected with dead lever (3) in sensor main part (2), the surface mounting of dead lever (3) has smoke transducer (31), and installs driving motor (32) in the bottom of dead lever (3), the output fixedly connected with drive shaft (33) of driving motor (32), and the bottom fixedly connected with of drive shaft (33) is used for carrying out cleaning up clean board (35) of filter screen (24).

2. A sensor according to claim 1, wherein: the outer wall of the driving shaft (33) is provided with a plurality of fan blades (34), and the outer walls around the sensor main body (2) are provided with exhaust holes.

3. A sensor according to claim 1, wherein: the outer wall of the locating pin (12) is fixedly connected with a fixed ring (13), and a fixed spring (14) used for supporting the fixed ring (13) is sleeved outside the fixed ring (13).

4. A sensor according to claim 2, wherein: a plurality of first mounting holes are formed in the outer wall of the sensor main body (2), and an alarm (22) is arranged in each of the first mounting holes of the sensor main body (2).

5. A sensor according to claim 4, wherein: and a second mounting hole is formed in the sensor main body (2) below the alarm (22), and a warning lamp (23) is arranged in the second mounting hole of the sensor main body (2).

6. A sensor according to claim 1, wherein: the two side outer walls of the positioning box (1) are fixedly connected with mounting blocks (15) for mounting the positioning box (1), and threaded holes are formed in the mounting blocks (15).