CN218413658U

CN218413658U - Fire monitoring device

Info

Publication number: CN218413658U
Application number: CN202222743767.6U
Authority: CN
Inventors: 叶晶; 李杨飞; 黄远清; 罗晓良; 林果果
Original assignee: China Unicom Guangdong Industrial Internet Co Ltd
Current assignee: China Unicom Guangdong Industrial Internet Co Ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-31
Anticipated expiration: 2032-10-18

Abstract

The scheme relates to the technical field of fire monitoring, and discloses a fire monitoring device which comprises a fixed table, a temperature collector and an adjustable fixing belt, wherein the fixing belt is connected to the side surface of the fixed table and used for encircling a rod-shaped object; the temperature collector is connected to the top surface of the fixed platform and used for monitoring the ambient temperature. The scheme is suitable for forest fire monitoring, and is particularly suitable for fire monitoring of 5G base stations built in forest. In the forest, this fire monitoring devices can utilize trunk on every side according to local conditions, regards it as the supporter, embraces the trunk through the fixed band, realizes that fire monitoring devices's installation is fixed, has reduced the use of the supporter that is used for installing fire monitoring devices such as fixing base, has reduced fire monitoring devices's preparation and use cost.

Description

Fire monitoring device

Technical Field

This scheme relates to fire monitoring technology field, more specifically relates to a fire monitoring devices.

Background

5G is the latest generation of cellular mobile communication technology, and the performance goals of 5G are high data rate, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity. The 5G base station is a core device of the 5G network, provides wireless coverage and realizes wireless signal transmission between wireless terminals. In order to realize the full network coverage of the 5G network, the 5G base station mostly needs to be established in the field. In the prior art, a satellite forecast detection method or artificial clear observation is mostly adopted when the field forest fire is monitored. However, the above methods have problems of poor timeliness, poor accuracy, low efficiency, etc.

In the utility model patent specification with patent No. CN 214376856U, a 5G base station fire monitoring device is disclosed, which solves the above problems to a certain extent, but can be fixed on the ground only by a support column, and the installation flexibility is poor. And there are a lot of trees in the forest, if can with this monitoring devices direct mount to the trunk, then can effectively save cost expenditures such as support column and base.

Disclosure of Invention

This scheme aims at overcoming at least one kind defect (not enough) among the prior art, provides a fire monitoring devices for solve the poor, with high costs problem of installation flexibility ratio.

In order to solve the technical problem, the following technical scheme is adopted: a fire monitoring device comprises a fixed platform, a temperature collector and an adjustable fixing belt, wherein the fixing belt is connected to the side surface of the fixed platform and used for surrounding a rod-shaped object; the temperature collector is connected to the top surface of the fixed platform and used for monitoring the ambient temperature.

This scheme will be used for monitoring the temperature collector setting of conflagration on the fixed station to set up the fixed band in one side of fixed station, therefore can be through the fixed band to embracing of shaft-like thing, with fire monitoring device fixed to the shaft-like thing on, realize fire monitoring device's installation. The scheme is suitable for forest fire monitoring, and is particularly suitable for fire monitoring of 5G base stations built in forest. In the forest, this fire monitoring devices can utilize trunk on every side according to local conditions, regards it as the supporter, embraces the trunk through the fixed band, realizes that fire monitoring devices's installation is fixed, has reduced the use of the supporter that is used for installing fire monitoring devices such as fixing base, has reduced fire monitoring devices's preparation and use cost.

The side of the fixed table is provided with a first connecting position and a second connecting position, one end of the fixing belt is fixedly connected with the first connecting position, and the other end of the fixing belt is preferably movably connected with the second connecting position, so that the convenience of installation on a high rod-shaped object is improved.

The second is connected the position and is preferred to be equipped with the buckle that supplies the other end of fixed band to pass, is equipped with the screw thread through-hole on the buckle, and the spiro union has the fastener in the screw thread through-hole, and the fastener passes screw thread through-hole butt fixed band, improves fixed band and second connection position swing joint's stability, reduces the not hard up possibility of fixed band.

The retaining ring is preferably provided with a guide hole, and a positioning rod is arranged in the guide hole in a penetrating manner; one end of the positioning rod, which is close to the fixing band, is connected with a pressing plate, the pressing plate is positioned between the fixing band and the fastening piece, and the fastening piece is abutted to the fixing band through the pressing plate; the one end that the locating lever deviates from the fixed band is connected with the locating part, and the locating part is used for preventing the locating lever from breaking away from the guiding hole. The fastener passes through clamp plate butt fixed band, has increased the area of butt, has reduced the butt pressure to the fixed band, does benefit to the life of extension fixed band.

The side of the fixed station is provided with a concave cambered surface, and the first connecting position and the second connecting position are respectively positioned at two ends of the arc of the concave cambered surface. The concave cambered surface is matched with the trunk and other rod-shaped objects, so that the stability of installation and positioning of the fire monitoring device is improved.

The fire monitoring device preferably further comprises a telescopic rod and a fixing seat, the top end of the telescopic rod is detachably connected with the bottom surface of the fixing table, the bottom end of the telescopic rod is connected with the top surface of the fixing seat, and a connecting piece used for being connected with a supporting surface is arranged on the fixing seat. Therefore, fire monitoring devices can enough fix on the trunk around according to local conditions, also can install on the telescopic link when not having the trunk around, flexibility when having improved monitoring devices installation, when having the trunk around, the expense that just can save telescopic link and base on the direct mount trunk reduces the cost expenditure of enterprise.

The telescopic link includes a fixed section of thick bamboo and movable rod, and the one end slidable mounting of movable rod is in the one end of a fixed section of thick bamboo, and the other end of movable rod forms the top/bottom of telescopic link, and the other end of a fixed section of thick bamboo forms the bottom/top of telescopic link. Preferably, the fixed cylinder is provided with a limiting hole and a positioning hoop, the limiting hole penetrates through the inner wall and the outer wall of the fixed cylinder, and the positioning hoop encircles the outer wall of the fixed cylinder; the movable rod is provided with a slide block, and the slide block passes through the limiting hole from the fixed cylinder and is elastically connected with two ends of the positioning hoop. In a normal state, the positioning hoop is tightly attached to the outer wall of the clamping and fixing cylinder, so that the movable rod and the fixing cylinder are prevented from undesired relative sliding. When the telescopic rod is installed, the positioning hoop is directly pulled or indirectly pushed, so that the positioning can be released, the height of the telescopic rod can be adjusted, and the operation is simple and convenient.

The part that the slider exposes in the fixed cylinder outside is equipped with two through-holes, all wears to be equipped with the pull rod in two through-holes, and the one end of location hoop of pull rod are connected, and the other end is connected to same regulating plate, is equipped with two pressure springs between regulating plate and the slider, and two pressure springs overlap respectively and locate on two pull rods. When the length of the telescopic rod is adjusted, only the adjusting plate needs to be pressed, the adjusting plate pushes the positioning hoop to be separated from the fixed cylinder through the pull rod, the adjusting plate and/or the sliding block is pushed, and the sliding block pushes the movable rod to slide relative to the fixed cylinder, so that the operation is simple and convenient, and the operation can be completed by one hand; under normal conditions, the pressure spring is always in a compression state, the adjusting plate is pushed, the adjusting plate is pulled by the pull rod to be clamped and pressed on the outer wall of the fixed cylinder, and therefore the sliding block and the movable rod are fixed, and unexpected relative sliding between the movable rod and the fixed cylinder is avoided.

The slide block is elastically connected with the two ends of the positioning hoop through a tension spring. When the positioning hoop is used, the positioning hoop is pulled away from the sliding block on one hand to enable the positioning hoop to be far away from the outer wall of the fixed cylinder, and the sliding block is pushed on the other hand to adjust the relative position between the fixed cylinder and the movable rod.

The top surface of the fixed table is provided with a turntable, and the temperature collector is connected to the turntable; the rotary table is in transmission connection with an output shaft of a driving mechanism, and the driving mechanism is fixed on the fixed table. Under the drive of the driving mechanism, the temperature collector rotates along with the turntable so as to collect the ambient temperatures from different directions.

This scheme compares with prior art has following beneficial effect: the scheme is suitable for forest fire monitoring, and is particularly suitable for fire monitoring of 5G base stations built in forest. In the forest, this fire monitoring device can utilize trunk on every side according to local conditions, with it as the support, embraces of trunk through the fixed band, realizes that fire monitoring device's installation is fixed, has reduced the use that fixing base etc. are used for installing fire monitoring device's support, has reduced fire monitoring device's preparation and use cost.

Drawings

The drawings are for illustrative purposes only and should not be construed as limiting the present teachings; for better illustration of the present solution, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a schematic configuration diagram of a fire monitoring device according to a first embodiment of the present invention.

Fig. 2 is a schematic view of a movable connection between the fixing band and the second connecting position.

Fig. 3 is a schematic view of another movable connection mode of the fixing belt and the second connecting position.

Fig. 4 is a schematic view showing the structure of a fire monitoring device according to a second embodiment of the present invention.

Fig. 5 is another schematic view of the fire monitoring device according to the second embodiment of the present invention.

Fig. 6 is a schematic view of still another structure of a fire monitoring device according to a second embodiment of the present invention.

Description of the reference numerals: the temperature control device comprises a fixed table 100, a first connecting position 101, a second connecting position 102, a retaining ring 110, a body 1101, a fixed plate 1102, a fixed rod 1103, a threaded through hole 111, a guide hole 112, a fastener 120, a lead screw 121, a handle 122, a pressing plate 131, a positioning rod 132, a limiting member 133, a rotary disc 141, a driving mechanism 142, an installation cylinder 143, a temperature collector 200, a fixing band 300, a telescopic rod 400, a movable rod 410, a sliding block 411, a fixed cylinder 420, a limiting hole 421, a positioning hoop 422, an adjusting plate 431, a pull rod 432, a pressure spring 433, a tension spring 434, a fixed seat 500 and a connecting piece 510.

Detailed Description

In order to make the technical field better understand the scheme, the following detailed description is given in conjunction with the specific embodiments.

Fig. 1 to 3 show a first embodiment of the fire monitoring device according to the present invention. Referring to fig. 1, the fire monitoring apparatus of the present embodiment includes a fixing base 100, a temperature collector 200, and a fixing band 300. The temperature collector 200 is attached to the top surface of the stationary stage 100 for monitoring the ambient temperature. The fixing strap 300 is adjustable and is connected to a side of the fixing table 100 for embracing a rod, such as a tree trunk, an electric pole, etc. If the fire monitoring device of this embodiment is used for in the forest, can utilize trunk on every side according to local conditions, regard it as the support, through the surrounding of fixed band 300 to the trunk, it is fixed to realize the installation of fire monitoring device, has reduced the use of fixing base 500 etc. and is used for installing fire monitoring device's support, has reduced fire monitoring device's preparation and use cost.

The effective length can be adjusted to fixed band 300, therefore can carry out the adaptability according to the diameter of shaft-like thing around the service environment and adjust, guarantees that fire monitoring devices installs on the shaft-like thing steadily. The stems such as trunks and the like usually have heights which are difficult to be reached by people, and in many cases, numerous branches and leaves can grow on the top ends of the trunks, so that the non-closed fixing belt 300 is more humanized for installation workers. Specifically, the side of the fixing table 100 has a first connection position 101 and a second connection position 102, one end of the fixing band 300 is fixedly connected to the first connection position 101, and the other end is movably connected to the second connection position 102.

The fastening strap 300 and the second connecting portion 102 may be movably connected by a buckle, such as a pin buckle, a plate buckle, an automatic buckle, or a clip. In addition, fig. 2 shows a preferred articulation. The second connecting portion 102 is provided with a retaining ring 110 for the other end of the fixing strap 300 to pass through, the retaining ring 110 is provided with a threaded through hole 111, a fastening member 120 is screwed in the threaded through hole 111, and the fastening member 120 may be a bolt or a screw rod 121 with one end connected with a handle 122, and passes through the threaded through hole 111 to abut against the fixing strap 300. When the fire monitoring device is used, after the fire monitoring device bypasses a selected rod, the other end of the fixing belt 300 penetrates through the retaining ring 110, the length of the fixing belt penetrating out of the retaining ring 110 is adjusted according to the diameter of the rod, the part between one end of the fixing belt 300 and the retaining ring 110 is tightly attached to the rod, the fastening piece 120 is rotated to abut against one end of the fixing belt 300 to press the fixing belt 300, and the installation and the fixation of the fire monitoring device in a use occasion are completed.

The retaining ring 110 can also be provided with a guide hole 112, and a positioning rod 132 passes through the guide hole 112; one end of the positioning rod 132 close to the fixing band 300 is connected with a pressing plate 131, the pressing plate 131 is located between the fixing band 300 and the fastening piece 120, the fastening piece 120 abuts against the fixing band 300 through the pressing plate 131, and the abutting of the fastening piece 120 on the fixing band 300 is changed from point contact to surface contact, so that the pressure on the fixing band 300 is reduced, and the service life of the fixing band 300 is prolonged; one end of the positioning rod 132, which is away from the fixing strap 300, is connected with a limiting member 133, the limiting member 133 is used to prevent the positioning rod 132 from separating from the guiding hole 112, and one end of the two positioning rods 132, which is away from the fixing strap 300, may be connected with one limiting member 133, respectively, or may be connected to the same limiting member 133, which is shown in fig. 2. In practical use, the fastening member 120 interacts with the retaining ring 110 when rotated to push the pressing plate 131 to move in the horizontal direction, and when the pressing plate 131 presses on the fixing band 300, the fixing of the fixing band 300 can be realized, so that the fixing band 300 is used to fix the monitoring device on the trunk, and the operation is simple and convenient.

As shown in fig. 3, the grommet 110 may include a body 1101 and an attachment; the body 1101 is shaped like a Chinese character 'kou' as a whole and has a first side and a second side opposite to each other, the first side is connected with the second connecting position 102, the second side is connected with an accessory and is provided with a hole for the fastening piece 120 and the pressing plate 131 to pass through; the accessory is integrally shaped like a letter '21274', and comprises a fixing plate 1102 and two fixing rods 1103, wherein two ends of the fixing plate 1102 are connected to two ends of the second edge through the fixing rods 1103 respectively, and the threaded through hole 111 and the guide hole 112 are arranged on the fixing plate 1102. When the fixing device is used, the fastening member 120 can be rotated first, so that the pressing plate 131 is hidden in the hole of the second edge, and the fixing strap 300 can smoothly pass through the body 1101, so that the installation efficiency is improved.

The side of the fixed table 100 is preferably provided with a concave arc surface, and the concave arc surface is matched with the shape of a rod-shaped object such as a trunk, so that the stability of the installation and the positioning of the fire monitoring device is improved, and the first connecting position 101 and the second connecting position 102 are respectively positioned at two ends of the arc of the concave arc surface.

The top surface of the fixed table 100 can be provided with a turntable 141, and the temperature collector 200 is connected to the turntable 141; the rotary table 141 is in transmission connection with an output shaft of a driving mechanism 142, and the driving mechanism 142 is fixed on the fixed table 100. Driven by the driving mechanism 142, the temperature collector 200 rotates with the turntable 141 so as to collect the ambient temperature from different directions. The driving mechanism 142 may be fixed on the top surface of the fixed platform 100, and in order to prevent the driving mechanism from being wetted by rainwater, an installation cylinder 143 may be disposed on the top surface of the fixed platform 100, and the driving mechanism 142 may be installed in the installation cylinder 143, and the rotary disc 141 is covered on the installation cylinder 143 and is in transmission connection with the output shaft of the driving mechanism 142 in the installation cylinder 143. The driving mechanism 142 can also be fixed in the fixing table 100, the fixing table 100 is designed to have a structure with a sufficient thickness and a groove, the opening of the groove faces upwards, the driving mechanism 142 can be hidden in the groove, and the turntable 141 covers the opening of the groove and is in transmission connection with an output shaft of the driving mechanism 142. The temperature collector 200 may specifically adopt an existing temperature collector 200 such as an infrared temperature collector 200.

Fig. 4 to 6 show a second embodiment of the fire monitoring device according to the present invention. Referring to fig. 4, the fire monitoring device of the second embodiment is mainly different from the fire monitoring device of the first embodiment in that the fire monitoring device further includes a telescopic rod 400 and a fixing base 500, wherein a top end of the telescopic rod 400 is detachably connected to a bottom surface of the fixing base 100, a bottom end of the telescopic rod is connected to a top surface of the fixing base 500, and the fixing base 500 is provided with a connecting member 510 for connecting to a supporting surface. The top end of the telescopic rod 400 is detachably connected with the bottom surface of the fixed table 100 through a thread, specifically, a threaded hole is formed in the ground of the fixed table 100, and an external thread matched with the threaded hole is formed in the top end of the telescopic rod 400; the supporting surface may be the ground, etc., and the coupling member 510 may employ anchor bolts, anchors, etc. The fire monitoring device of the embodiment can be fixed on the trunk around according to local conditions, and can be installed on the telescopic rod 400 without the trunk around, so that the flexibility of the monitoring device during installation is improved, when the trunk is around, the cost of the telescopic rod 400 and the base can be saved by directly installing the fire monitoring device on the trunk, and the cost of enterprises is reduced.

The telescopic bar 400 includes a fixed cylinder 420 and a movable bar 410. One end of the movable rod 410 is slidably installed in one end of the fixed cylinder 420, the other end of the movable rod 410 forms a top end of the telescopic rod 400, and the other end of the fixed cylinder 420 forms a bottom end of the telescopic rod 400. Of course, the other end of the movable rod 410 may be the bottom end of the telescopic rod 400, and the other end of the fixed cylinder 420 may be the top end of the telescopic rod 400.

The fixed cylinder 420 is provided with a limiting hole 421 and a positioning hoop 422, the limiting hole 421 penetrates through the inner wall and the outer wall of the fixed cylinder 420, and the positioning hoop 422 encircles the outer wall of the fixed cylinder 420; the movable rod 410 is provided with a sliding block 411, and the sliding block 411 passes through the limiting hole 421 from the fixed cylinder 420 and is elastically connected with two ends of the positioning hoop 422. When acting force is manually applied to the positioning hoop 422, the positioning hoop 422 is far away from the outer wall of the fixed cylinder 420, and the movable rod 410 and the fixed cylinder 420 can slide relatively; when the manual force is removed, the positioning hoop 422 clamps the outer wall of the fixed cylinder 420 tightly, thereby preventing the undesired relative sliding between the movable rod 410 and the fixed cylinder 420.

The elastic connection between the sliding block 411 and the positioning hoop 422 can adopt the connection mode shown in fig. 3. Referring to fig. 3, the portion of the sliding block 411 exposed outside the fixed cylinder 420 is provided with two through holes, a pull rod 432 passes through each of the two through holes, one end of the pull rod 432 is connected with one end of the positioning hoop 422, the other end of the pull rod 432 is connected to the same adjusting plate 431, two compression springs 433 are arranged between the adjusting plate 431 and the sliding block 411, and the two compression springs 433 are respectively sleeved on the two pull rods 432. When the length of the telescopic rod 400 is adjusted, only the adjusting plate 431 needs to be pressed, the adjusting plate 431 pushes the positioning hoop 422 to be separated from the fixed cylinder 420 through the pull rod 432, the adjusting plate 431 and/or the sliding block 411 is pushed, and the sliding block 411 pushes the movable rod 410 to slide relative to the fixed cylinder 420, so that the operation is simple and convenient, and can be completed by one hand; in a normal state, the compression spring 433 is always in a compressed state, and the adjustment plate 431 is pushed, so that the adjustment plate 431 pulls the positioning hoop 422 through the pull rod 432 to press on the outer wall of the fixed cylinder 420, thereby fixing the sliding block 411 and the movable rod 410 and avoiding undesirable relative sliding between the movable rod 410 and the fixed cylinder 420.

Fig. 5 shows another elastic connection between the slider 411 and the positioning band 422. Referring to fig. 5, the sliding block 411 is elastically connected to both ends of the positioning band 422 by a tension spring 434. When the positioning hoop is used, the positioning hoop 422 is pulled away from the sliding block 411 by one hand to enable the positioning hoop to be far away from the outer wall of the fixed barrel 420, and the sliding block 411 is pushed by the other hand, so that the relative position between the fixed barrel 420 and the movable rod 410 can be adjusted.

Fig. 6 shows another elastic connection between the slider 411 and the positioning band 422. Referring to fig. 6, the portion of the slider 411 exposed outside the fixed cylinder 420 is provided with two through holes, a pull rod 432 passes through each through hole, one end of the pull rod 432 is connected with one end of the positioning hoop 422, the other end of the pull rod 432 is connected to the same adjusting plate 431, two tension springs 434 are provided between the slider 411 and the positioning hoop 422, and the two tension springs 434 are respectively sleeved on the two pull rods 432. When the length of the telescopic rod 400 is adjusted, only the adjusting plate 431 needs to be pressed, the adjusting plate 431 pushes the positioning hoop 422 to be separated from the fixed cylinder 420 through the pull rod 432, the adjusting plate 431 and/or the sliding block 411 is pushed, and the sliding block 411 pushes the movable rod 410 to slide relative to the fixed cylinder 420, so that the operation is simple and convenient, and can be completed by one hand; in a normal state, the tension spring 434 is always in a tension state, and pulls the positioning hoop 422 to press on the outer wall of the fixed cylinder 420, so that the sliding block 411 and the movable rod 410 are fixed, and undesired relative sliding between the movable rod 410 and the fixed cylinder 420 is avoided.

The inner wall of the positioning hoop 422 facing the fixed cylinder 420 and the outer wall of the fixed cylinder 420 are provided with mutually matched anti-slip threads, so that the positioning effect of the positioning hoop 422 is improved.

In order to avoid the undesired relative sliding between the fixed cylinder 420 and the movable rod 410, a telescopic interface may be configured between the fixed cylinder 420 and the movable rod 410 with reference to the existing telescopic laundry fork, and the telescopic interface may be screwed after the relative position between the fixed cylinder 420 and the movable rod 410 is adjusted.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A fire monitoring device comprises a fixed table and a temperature collector, and is characterized by further comprising an adjustable fixing belt, wherein the fixing belt is connected to the side face of the fixed table and used for encircling a rod-shaped object; the temperature collector is connected to the top surface of the fixed table and used for monitoring the environment temperature.

2. The fire monitoring device of claim 1, wherein the side of the fixing platform has a first connection position and a second connection position, one end of the fixing belt is fixedly connected with the first connection position, and the other end of the fixing belt is movably connected with the second connection position.

3. The fire monitoring device of claim 2, wherein the second connecting portion is provided with a buckle for the other end of the fixing strap to pass through, the buckle is provided with a threaded through hole, a fastening member is screwed in the threaded through hole, and the fastening member passes through the threaded through hole and abuts against the fixing strap.

4. The fire monitoring device according to claim 3, wherein the retaining ring is further provided with a guide hole, and a positioning rod is arranged in the guide hole in a penetrating manner; one end of the positioning rod, which is close to the fixing band, is connected with a pressing plate, the pressing plate is positioned between the fixing band and a fastening piece, and the fastening piece is abutted against the fixing band through the pressing plate; one end of the positioning rod, which is far away from the fixing belt, is connected with a limiting part, and the limiting part is used for preventing the positioning rod from being separated from the guide hole.

5. A fire monitoring device as claimed in any one of claims 2 to 4, wherein the side of the fixed platform is provided with a concave arc surface, and the first connection location and the second connection location are located at two ends of the arc of the concave arc surface respectively.

6. A fire monitoring device according to any one of claims 1 to 4, further comprising a telescopic rod and a fixed base, wherein the top end of the telescopic rod is detachably connected with the bottom surface of the fixed base, the bottom end of the telescopic rod is connected with the top surface of the fixed base, and the fixed base is provided with a connecting piece for connecting with a supporting surface.

7. The fire monitoring device of claim 6, wherein the telescopic rod comprises a fixed barrel and a movable rod, one end of the movable rod is slidably mounted in one end of the fixed barrel, the other end of the movable rod forms the top/bottom end of the telescopic rod, and the other end of the fixed barrel forms the bottom/top end of the telescopic rod; the fixed cylinder is provided with a limiting hole and a positioning hoop, the limiting hole penetrates through the inner wall and the outer wall of the fixed cylinder, and the positioning hoop encircles the outer wall of the fixed cylinder; the movable rod is provided with a sliding block, and the sliding block penetrates through the limiting hole in the fixed cylinder and is elastically connected with the two ends of the positioning hoop.

8. A fire monitoring device as claimed in claim 7, wherein two through holes are formed in the part of the slider exposed outside the fixed cylinder, pull rods are arranged in the two through holes in a penetrating manner, one end of each pull rod is connected with one end of the positioning hoop, the other end of each pull rod is connected to the same adjusting plate, two compression springs are arranged between the adjusting plate and the slider, and the two compression springs are respectively sleeved on the two pull rods.

9. The fire monitoring device of claim 7, wherein the slider is resiliently coupled to both ends of the positioning collar by a tension spring.

10. A fire monitoring device according to any one of claims 1 to 4, wherein a turntable is arranged on the top surface of the fixed platform, and the temperature collector is connected to the turntable; the turntable is in transmission connection with an output shaft of a driving mechanism, and the driving mechanism is fixed on the fixed table.