JP6808121B2 - Portable fire site environment measuring device - Google Patents

Description

The present invention deals with the field of fire rescue, and particularly relates to a portable environment measuring device for a fire site.

In various disasters, fire is one of the most frequent major disasters that threaten public safety and social development. In the event of a fire, people need to evacuate quickly, especially until the fire brigade arrives at the scene, who have to rescue themselves to some extent on their own. However, the fire environment is complex, and high temperatures and smoke prevent people from evacuating. Existing fire fighting equipment is inconvenient to carry, and it is difficult to effectively support people and escape from the scene. The portable fire scene environment measuring device described in the present application can solve the above problem.

Publication No. 108564760 of Chinese Patent Application

The existing firefighting equipment is large and inconvenient to carry.

In order to solve the above problems, the present application designs a portable fire site environment measuring device, and the portable fire site environment measuring device described in the present application includes a fixing plate, and the deploying device is included in the fixing plate. Is installed, the portable fire scene environment measuring device can be attached to a person's head by deploying the deploying device, and the deploying device can be contracted to make it convenient to carry, and inside the fixing plate. A through hole is installed so as to penetrate vertically, a measuring box is slidably installed in the through hole, a cooling device is installed in the measuring box, and the cooling device abuts on the head. The head can be cooled, the human body temperature rises when in a fire scene, and if the body temperature is too high, it is easy to faint, and the cooling device can keep the person's consciousness. An opening groove that opens downward is formed symmetrically inside, the openings of the opening grooves on both sides face back to the center of symmetry, and a connecting shaft is rotatably connected between the front and rear inner walls of the opening groove. A fixing rod is fixedly connected to the peripheral surface of the connecting shaft, and a hooking groove that opens back to the center of symmetry is formed symmetrically in the fixing plate, and the fixing rod extends into the hooking groove. The measuring box can be hooked, a compression spring is fixedly connected between the measuring box and the fixing plate, and when the fixing rod is released from the hooking groove, the elasticity of the compression spring causes the said. The deploying device can be quickly stored, and a ventilation hole that opens to the left is installed in the measuring box, and a wind direction measuring device and an air measuring device are installed in the ventilation hole to measure the wind direction. The device can measure the wind direction and direct the direction through the indicator light, can guide people to the exit quickly, the air measuring device can measure the smoke concentration in the air, and if the smoke concentration is high, an alarm An alarm is issued through the vessel, and people are called to crawl and avoid inhaling smoke. A partition plate is connected to the upper end of the measuring box symmetrically and fixedly, and the partition plate is connected. A concave groove that opens toward the center of symmetry is formed in the groove, the opening of the concave groove faces upward, and a fixed shaft is rotatably connected between the left and right inner walls of the concave groove, and the fixed shaft is connected. A rotating plate is fixedly connected to the peripheral surface, and a magnet is fixedly installed in the end surface of the rotating plate close to the center of symmetry, and when the magnets on both sides attract and contact each other, the rotation The portable fire scene environment measuring device can be hung through the plate and the partition plate, which is convenient to carry.

As a suitable technical plan, the deployer comprises four racks, the four racks are arranged in an annular shape in the peripheral surface of the measuring box, and an annular shape is formed in the circumferential inner wall of the through hole. The four belt spaces arranged so as to be are installed so as to communicate with each other, and the meshing gears are rotatably installed in the belt space, and the four meshing gears mesh with each of the four racks. The drive shaft is fixedly connected to the meshing gear, the drive pulley is fixedly connected to the peripheral surface of the drive shaft, and the transmission pulley can rotate on the side of the drive pulley away from the center of symmetry. Installed, a horizontal belt is connected between the transmission pulley and the drive pulley, an intermediate rotation shaft is fixedly connected in the transmission pulley, and the intermediate rotation shaft is between the inner walls of the belt space. A driven pulley is rotatably installed in the arcuate groove, and a driven pulley is rotatably installed in the arcuate groove so as to communicate with the lower inner wall of the belt space. A vertical belt is connected between the pulley and the transmission pulley, a driven shaft is fixedly connected to the driven pulley, and a swing rod is fixedly connected to the peripheral surface of the driven shaft. An elastic cloth is connected between the right end of the swing rod and the lower end of the measuring box, and the deploying device can be deployed by sliding the measuring box downward.

As a suitable technical plan, the cooling device includes a pump that is fixedly installed in the measuring box, and water pipes are symmetrically and fixedly connected to the left and right ends of the pump, and the water pipe is connected. Is elastic, and is installed so that the water pipe passage penetrates vertically in the water pipe, the water pipe passage is installed so as to communicate with the pump, and a slide that opens downward in the measuring box. A moving space is installed, a heat transfer plate is slidably installed in the sliding space, a circulation passage that opens upward is installed in the heat transfer plate, and the lower ends of the water pipes on both the left and right sides are installed. Extends into the sliding space and is fixedly connected to the heat transfer plate, the water pipe passage is installed so as to communicate with the circulation passage, and after deploying the deploying device, the head is Upon contact with the heat transfer plate, the amount of heat in the head can be conducted to the water in the circulation passage, and the water in the circulation passage can be circulated through the pump.

Preferably, a condensing pipe is fixedly connected to the peripheral surface of the water pipe, a storage battery is fixedly installed on the upper side of the pump, the storage battery can supply power to the condensing pipe, and the condensing pipe is the water pipe. The water in the passage can be cooled.

As a preferred technical plan, the wind direction measuring device includes a protective block fixedly installed on the lower inner wall of the ventilation hole, and a gear space that opens downward is installed in the protective block, and the gear space is provided. A drive gear is rotatably installed in the drive gear, a horizontal shaft is fixedly installed in the drive gear, and the rear end of the horizontal shaft extends into the ventilation hole and is fixed to the fan. When the wind blows to the fan in a state of facing the ventilation hole, the fan is driven to rotate forward, and when the wind blows to the fan in a state of not facing the ventilation hole, the fan Is driven and rotates in the reverse direction, the driven gear is connected to the lower end of the driven gear so as to mesh with the driven gear, and the vertical axis is fixedly connected to the lower end of the driven gear in the lower inner wall of the ventilation hole. Is provided with a meshing space, the lower end of the vertical axis extends into the meshing space and is fixedly connected to the ratchet, and three unidirectional wheels are connected to the left end of the ratchet so as to mesh with each other. When the ratchet rotates forward, the one-way wheel in the middle is driven and rotates, and when the ratchet rotates in the reverse direction, the one-way wheels on both sides are driven and rotate, and inside the one-way wheel. One-way shafts are fixedly connected to the gear, and the one-way shafts are rotatably connected between the upper and lower inner walls of the meshing space.

Preferably, a fixed block is fixedly and symmetrically connected to the peripheral surface of the one-way axis, and three speed measurement sensors are fixedly connected to the left inner wall of the meshing space. Can each measure the rotation time difference between the two fixed blocks, from which the rotation speed of the one-way axis can be known, and three indicator lights are fixedly connected to the left end of the measuring box. Each of the indicator lights is electrically connected to the speed measurement sensor, and when the speed measurement sensor senses the rotation of the corresponding one-way axis, the corresponding indicator light is turned on and the rotation speed of the one-way axis is increased. The faster the speed, the brighter the indicator light.

As a suitable technical plan, the air measuring device includes a filter net fixedly connected between the inner walls of the ventilation holes, air can pass through the filter net, and smoke, dust, etc. are on the left end surface of the filter net. Therefore, a transmission space is installed in the lower inner wall of the ventilation hole, a sector gear is rotatably installed in the transmission space, and a motor shaft is fixedly connected in the sector gear. A motor is fixedly installed in the inner wall on the right side of the transmission space, the right end of the motor shaft is migably connected to the motor, and the spur gear is connected to the upper end of the sector gear so as to mesh with each other. A rope groove is symmetrically formed in the upper and lower inner walls of the ventilation hole, a guide wheel is rotatably installed in the rope groove, and a transmission shaft is fixedly connected in the guide wheel. The lower right end of the transmission shaft extends into the transmission space and is fixedly connected to the spur gear, and a reel is rotatably installed on the front side of the guide wheel of the reel. A winding shaft is fixedly connected inside, the winding shaft is rotatably connected to the left and right inner walls of the rope groove, a tension rope is wound between the reels on both sides, and the upper and lower ends of the tension rope are Guided by the guide wheel, it extends into the ventilation hole and is fixedly connected to the sliding plate, and the right end of the sliding plate is in contact with the filtration net.

Preferably, a rope twisting spring is fixedly connected between the left and right ends of the reel and the left and right inner walls of the rope groove, and the tension rope is in a state of being pulled from beginning to end.

Preferably, the necking holes that open to the right are installed in the right inner wall of the ventilation hole so as to communicate with each other, and the communication grooves are symmetrically communicated with each other in the upper and lower inner walls of the necking hole. A twisting shaft is rotatably connected between the front and rear inner walls of the communication groove, and a ventilation plate is fixedly connected to the peripheral surface of the twisting shaft, and the ventilation plate is fixedly connected to the necking hole. The necking hole can be extended to close the necking hole, and an electromagnetic torsion spring is fixedly connected between both front and rear ends of the ventilation plate and the front and rear inner walls of the communication groove, and the electromagnetic torsion spring can energize an alarm. It is connected to.

The present invention has the following positive effects: The present invention is small, convenient to carry, can be quickly attached to the head when in use, can observe the wind direction at the fire site, can quickly guide people to the exit, and is in the air. You can observe the smoke concentration of the fire, and you are called on to crawl on people with alarms and avoid inhaling smoke.

In order to explain the present invention in detail with reference to FIGS. 1 to 10 below and to explain the present invention in a convenient manner, the following directions are defined as follows: FIG. 1 is a front view of the apparatus of the present invention, and is described above and below. The left-right front-back direction and the up-down, left-right front-back direction of the self-projection relationship in FIG. 1 are the same.

FIG. 1 is a schematic diagram of the overall configuration of the present invention. FIG. 2 is an enlarged schematic view of A in FIG. FIG. 3 is an enlarged schematic view of B in FIG. FIG. 4 is an enlarged schematic view of C in FIG. FIG. 5 is an enlarged schematic view of D in FIG. FIG. 6 is a schematic configuration diagram from the EE direction in FIG. FIG. 7 is a schematic configuration diagram from the FF direction in FIG. FIG. 8 is a schematic configuration diagram from the GG direction in FIG. FIG. 9 is a schematic configuration diagram from the HH direction in FIG. FIG. 10 is a schematic configuration diagram from the I-I direction in FIG.

The present application takes up a portable environment measuring device for a fire scene, and is mainly applied to the ego rescue of people at a fire scene. Further, the present invention will be further described with reference to the drawings below.

The portable fire site environment measuring device described in the present application includes a fixing plate 12, and a deploying device 100 is installed in the fixing plate 12, and by deploying the deploying device 100, the portable fire site is used. An environment measuring device is attached to a person's head, and the deploying device 100 is contracted to make it convenient to carry. A through hole 59 is installed in the fixing plate 12 so as to vertically penetrate the through hole 59. A measuring box 11 is slidably installed in the measuring box 11, and a cooling device 103 is installed in the measuring box 11, and the cooling device 103 can abut on the head to cool the head. When a person is at a fire site, the human body temperature rises, and if the body temperature is too high, the person tends to be fainted. The cooling device 103 can keep the person conscious, and the measuring box 11 has an opening that opens downward. The grooves 27 are formed symmetrically, the openings of the opening grooves 27 on both sides face back to the center of symmetry, and the connecting shaft 26 is rotatably connected between the front and rear inner walls of the opening groove 27, and the connecting shaft 26 is connected. A fixing rod 25 is fixedly connected to the peripheral surface, and a hooking groove 75 that opens back to the center of symmetry is formed symmetrically in the fixing plate 12, and the fixing rod 25 is formed in the hooking groove 75. When the measuring box 11 can be extended and hooked, the compression spring 61 is fixedly connected between the measuring box 11 and the fixing plate 12, and the fixing rod 25 is separated from the hooking groove 75. Due to the elasticity of the compression spring 61, the deploying device 100 can be quickly stored, a ventilation hole 38 that opens to the left is installed in the measurement box 11, and a wind direction is measured in the ventilation hole 38. The device 101 and the air measuring device 102 are installed, and the wind direction measuring device 101 can measure the wind direction and give a direction instruction through the indicator light 28, can quickly guide people to the outlet, and can guide the people to the outlet. 102 can measure the smoke concentration in the air, and when the smoke concentration is high, an alarm is issued through the alarm device 77, and people are called to crawl and avoid inhaling smoke. A partition plate 17 is connected to the upper end symmetrically and fixedly, and a concave groove 15 that opens toward the center of symmetry is formed in the partition plate 17, and the opening of the concave groove 15 faces upward. A fixed shaft 16 is rotatably connected between the left and right inner walls of the concave groove 15, and a rotating plate 14 is fixedly connected to the peripheral surface of the fixed shaft 16 so as to be close to the center of symmetry in the rotating plate 14. A magnet 76 is fixedly installed in the end face, and the magnets 76 on both sides attract each other. At the time of contact, the portable fire scene environment measuring device can be hung through the rotating plate 14 and the partition plate 17, which is convenient for carrying.

Based on the examples, the deploying device 100 will be further described below.
The deploying device 100 includes four racks 60, and the four racks 60 are arranged so as to be annular in the peripheral surface of the measuring box 11, and are annular in the circumferential inner wall of the through hole 59. The four belt spaces 74 arranged in such a manner are installed so as to communicate with each other, the meshing gears 58 are rotatably installed in the belt spaces 74, and the four meshing gears 58 are each of the four racks 60. The drive shaft 57 is fixedly connected to the meshing gear 58, and the drive pulley 56 is fixedly connected to the peripheral surface of the drive shaft 57, and is separated from the center of symmetry in the drive pulley 56. A transmission pulley 53 is rotatably installed on the side, a horizontal belt 55 is connected between the transmission pulley 53 and the drive pulley 56, and an intermediate rotation shaft 54 is fixedly installed in the transmission pulley 53. The intermediate rotating shaft 54 is rotatably connected between the inner walls of the belt space 74, and an arcuate groove 73 that opens downward is formed in the lower inner wall of the belt space 74 so as to communicate with each other. A driven pulley 71 is rotatably installed in the arcuate groove 73, a vertical belt 70 is connected between the driven pulley 71 and the transmission pulley 53, and a driven shaft is contained in the driven pulley 71. 72 is fixedly connected, a swing rod 69 is fixedly connected to the peripheral surface of the driven shaft 72, and an elastic cloth 68 is connected between the right end of the swing rod 69 and the lower end of the measuring box 11. The deployment device 100 can be deployed by connecting the measuring boxes 11 and sliding the measuring box 11 downward.

Based on the examples, the cooling device 103 will be further described below.
The cooling device 103 includes a pump 13 fixedly installed in the measuring box 11, and water pipes 63 are symmetrically and fixedly connected to both left and right ends of the pump 13 to be connected to the water pipe 63. Is elastic, and the water pipe passage 62 is installed so as to penetrate vertically in the water pipe 63, the water pipe passage 62 is installed so as to communicate with the pump 13 and inside the measuring box 11. A sliding space 65 that opens downward is installed, a heat transfer plate 66 is slidably installed in the sliding space 65, and a circulation passage 67 that opens upward is provided in the heat transfer plate 66. The lower ends of the water pipes 63 on both the left and right sides extend into the sliding space 65 and are fixedly connected to the heat transfer plate 66 so that the water pipe passages 62 communicate with the circulation passages 67. After deploying the deploying device 100, the head is brought into contact with the heat transfer plate 66, and the amount of heat of the head can be conducted to the water in the circulation passage 67, and the pump The water in the circulation passage 67 can be circulated through 13.

Preferably, the condensing pipe 64 is fixedly connected to the peripheral surface of the water pipe 63, the storage battery 78 is fixedly installed on the upper side of the pumping pump 13, and the storage battery 78 can supply power to the condensing pipe 64. The condensing pipe 64 can cool the water in the water pipe passage 62.

Based on the examples, the wind direction measuring device 101 will be further described below.
The wind direction measuring device 101 includes a protective block 32 fixedly installed on the lower inner wall of the ventilation hole 38, and a gear space 18 that opens downward is installed in the protective block 32, and the gear space 18 is installed. A drive gear 36 is rotatably installed in the drive gear 36, a horizontal shaft 35 is fixedly installed in the drive gear 36, and the rear end of the horizontal shaft 35 extends into the ventilation hole 38. When the fan 37 is fixedly connected to the fan 36 and the wind blows to the fan 37 in a state of facing the ventilation hole 38, the fan 37 is driven to rotate forward and the wind does not face the ventilation hole 38. When blowing to the fan 37 in this state, the fan 37 is driven and rotates in the reverse direction, the driven gear 34 is connected to the lower end of the driving gear 36 so as to mesh with the driven gear 34, and the vertical axis 33 is connected to the lower end of the driven gear 34. It is fixedly connected, a meshing space 22 is installed in the lower inner wall of the ventilation hole 38, the lower end of the vertical axis 33 extends into the meshing space 22, and is fixedly connected to the ratchet 23. It is connected, and three one-way wheels 31 are connected to the left end of the ratchet 23 so as to mesh with each other. When the ratchet 23 rotates in the forward direction, the one-way wheel 31 in the middle is driven and rotates, and the ratchet 23 is connected. When the unidirectional wheels 31 rotate in the reverse direction, the unidirectional wheels 31 on both sides are driven to rotate, the unidirectional shaft 24 is fixedly connected to the unidirectional wheel 31, and the unidirectional shaft 24 is the meshing space. It is rotatably connected between the upper and lower inner walls of 22.

Preferably, the fixed block 30 is symmetrically and fixedly connected to the peripheral surface of the one-way shaft 24, and three speed measurement sensors 29 are fixedly connected to the left inner wall of the meshing space 22. Each of the speed measurement sensors 29 can measure the rotation time difference between the two fixed blocks 30, from which the rotation speed of the one-way shaft 24 can be known, and three indicator lights are displayed at the left end of the measurement box 11. 28 are fixedly connected, and the indicator lights 28 are electrically connected to the speed measurement sensor 29, respectively, and when the speed measurement sensor 29 senses the rotation of the corresponding one-way shaft 24, the corresponding instruction is given. The light 28 is turned on, and the faster the rotation speed of the one-way shaft 24, the brighter the indicator light 28.

Based on the examples, the air measuring device 102 will be further described below.
The air measuring device 102 includes a filter net 40 fixedly connected between the inner walls of the ventilation holes 38, air can pass through the filter net 40, and smoke, dust, etc. are attached to the left end surface of the filter net 40. A transmission space 42 is installed in the lower inner wall of the ventilation hole 38, a sector gear 47 is rotatably installed in the transmission space 42, and a motor shaft 45 is installed in the sector gear 47. It is fixedly connected, a motor 46 is fixedly installed in the right inner wall of the transmission space 42, the right end of the motor shaft 45 is electrically connected to the motor 46, and is connected to the upper end of the sector gear 47. The spur gears 44 are connected so as to mesh with each other, a rope groove 41 is symmetrically formed in the upper and lower inner walls of the ventilation hole 38, and a guide wheel 48 is rotatably installed in the rope groove 41. The transmission shaft 43 is fixedly connected to the guide wheel 48, and the right end of the lower transmission shaft 43 extends into the transmission space 42 and is fixedly connected to the spur gear 44. A reel 80 is rotatably installed on the front side of the guide wheel 48, a winding shaft 81 is fixedly connected to the reel 80, and the winding shaft 81 rotates on the left and right inner walls of the rope groove 41. Tension ropes 20 are wound between the reels 80 on both sides so that they can be connected to each other, and the upper and lower ends of the tension rope 20 are guided by the guide wheels 48 and extend into the ventilation holes 38 and slide. It is fixedly connected to the moving plate 39, and the right end of the sliding plate 39 is in contact with the filtration net 40.

Preferably, the rope twisting spring 83 is fixedly connected between the left and right ends of the reel 80 and the left and right inner walls of the rope groove 41, and the tension rope 20 is in a state of being pulled from beginning to end.

Preferably, the necking holes 49 opening to the right are installed in the right inner wall of the ventilation hole 38 so as to communicate with each other, and the communication grooves 50 are symmetrically provided in the upper and lower side inner walls of the necking hole 49. The twist shaft 51 is rotatably connected between the front and rear inner walls of the communication groove 50, and the ventilation plate 52 is fixedly connected to the peripheral surface of the twist shaft 51 to provide the ventilation. The plate 52 can extend into the necking hole 49 to seal the necking hole 49.
An electromagnetic torsion spring 82 is fixedly connected between both front and rear ends of the ventilation plate 52 and the front and rear inner walls of the communication groove 50, and the electromagnetic torsion spring 82 is electrically connected to an alarm device 77.

The procedure for using the present invention will be described in detail below with reference to FIGS. 1 to 10.

First, the measuring box 11 is in the upper limit position, the swing rod 69 is in the vertical state, and the sliding plate 39 is in the upper limit position.

At the time of use, the measuring box 11 is manually slid downward to compress the compression spring 61, the fixing rod 25 is rotated to enter the hook groove 75, and the fixing plate 12 is fixed by the elasticity of the compression spring 61. Avoiding the rise of the measuring box 11 after being caught in the 25 and letting go, when the measuring box 11 slides downward, the through hole 59 is interlocked and rotated through the rack 60, and the drive pulley 56 is driven through the drive shaft 57. The transmission pulley 53 is driven and rotated through the horizontal belt 55, the driven pulley 71 is driven and rotated through the vertical belt 70, and the swing rod 69 is driven away from the measuring box 11. When the rack 60 and the meshing gear 58 try to disengage from the meshed state by swinging, the fixing plate 12 is just caught on the fixing rod 25, and at this time, the swinging rod 69 expands to the maximum and the elastic cloth 68 is spread. Pulling, at this time, the head can enter between the swing rods 69 and come into contact with the heat transfer plate 66, operate the pumping pump 13, and circulate water between the circulation passage 67 and the water pipe passage 62, at this time. , Power is supplied to the condensing tube 64 through the storage battery 78, the condensing tube 64 cools the water in the water pipe passage 62, exchanges heat with the head through the heat transfer plate 66, stimulates the head, and is conscious of high temperature. Avoid stunning or fainting, at the same time wind can enter through the vent 38 to drive the fan 37, the protective block 32 avoids damage to the horizontal shaft 35 and the drive gear 36, and when the wind faces the vent 38, the fan 37 Is driven to rotate forward, and drives and rotates the drive gear 36 through the horizontal axis 35, further drives and rotates the driven gear 34, further drives the ratchet 23 through the vertical axis 33 to rotate forward, and further. The one-way wheel 31 in the middle is driven to rotate, and at this time, the speed measurement sensor 29 in the middle detects the rotation of the one-way shaft 24 in the middle and turns on the indicator light 28 in the middle to evacuate. When guiding the direction and the wind does not face the vent 38, the fan 37 rotates in the reverse direction, the ratchet 23 is driven and rotates in the reverse direction, and the one-way wheels 31 on both sides are driven and rotated, and The indicator lights 28 on both sides are turned on through the speed measurement sensors 29 on both sides, and the brighter the indicator lights 28, the faster the wind speed. At this time, people are evacuating until the wind direction can be confirmed. Should be adjusted, when people are at an indoor fire scene, they should move quickly to the exit along the wind direction, when at an outdoor fire scene, they should leave the fire scene against the wind direction. Is.

A large amount of smoke and dust is generated in the air at the fire site, the wind passes through the ventilation hole 38 through the filter net 40, and then through the necking hole 49 and is discharged to the outside of the ventilation hole 38, and the wind passes through the ventilation plate 52. The stronger the wind force, the wider the width of the ventilation plate 52 swinging, the stronger the twist received by the electromagnetic twisting spring 82, and the more smoke and the like are attached to the left end surface of the filter net 40 and filtered. The mesh holes of the net 40 are closed, and the higher the smoke concentration, the weaker the wind passing through the filter net 40, the smaller the angle at which the ventilation plate 52 is pushed, and the smaller the twist received by the electromagnetic torsion spring 82. When the alarm 77 issues an alarm, it urges people not to crawl and inhale smoke.

The motor 46 is actuated, the sector gear 47 is driven and rotated through the motor shaft 45, the spur gear 44 is driven and rotates periodically, and the reel 80 is driven and rotated through the transmission shaft 43 and the rope. Since the torsion spring 83 is twisted and the tension rope 20 is wound and the tension rope 20 is in a state of being pulled all the time, the sliding plate 39 is driven and slides downward, and smoke and the like attached to the left end surface of the filtration net 40 and the like. When the sector gear 47 and the spur gear 44 do not mesh with each other, the reel 80 is driven by the elasticity of the rope torsion spring 83 to rotate in the reverse direction, and the sliding plate 39 is driven to rise and reposition.

The portable fire site environment measuring device can be hung through the partition plate 17 and the rotating plate 14, providing convenience for carrying, and the magnets 76 on both sides attract each other, so that the portable fire site environment measuring device can be used. Avoid falling when hung.

The present invention has the following positive effects: The present invention is small, convenient to carry, can be quickly attached to the head when in use, can observe the wind direction at the fire site, can quickly guide people to the exit, and is in the air. You can observe the smoke concentration of the fire, and you are called on to crawl on people with alarms and avoid inhaling smoke.

According to the above method, an employee in the field can make various modifications within the scope of the present invention according to the working situation.

Claims (9)

A portable fire site environment measuring device that includes a fixing plate.
A deploying device is installed in the fixing plate, and by deploying the deploying device, the portable fire scene environment measuring device can be attached to a person's head, and by contracting the deploying device, it is convenient to carry. Give,
A through hole is installed in the fixing plate so as to penetrate vertically, a measuring box is slidably installed in the through hole, a cooling device is installed in the measuring box, and the cooling is performed. The device can abut on the head to cool the head,
Opening grooves that open downward are formed symmetrically in the measuring box, the openings of the opening grooves on both sides face back to the center of symmetry, and the connecting shaft can rotate between the front and rear inner walls of the opening groove. It is connected, and a fixed rod is fixedly connected to the peripheral surface of the connecting shaft, and a hook groove that opens back to the center of symmetry is formed symmetrically in the fixed plate, and the fixed rod is hooked. The measuring box can be hooked by extending into the groove, and a compression spring is fixedly connected between the measuring box and the fixing plate.
A ventilation hole that opens to the left is installed in the measuring box, a wind direction measuring device and an air measuring device are installed in the ventilation hole, and the wind direction measuring device measures the wind direction and through an indicator lamp. The direction can be indicated, and the air measuring device can measure the smoke concentration in the air.
A partition plate is fixedly connected to the upper end of the measuring box symmetrically in the front-rear direction, and a concave groove that opens toward the center of symmetry is formed in the partition plate, and the opening of the concave groove faces upward. A fixed shaft is rotatably connected between the left and right inner walls of the concave groove, and a rotating plate is fixedly connected to the peripheral surface of the fixed shaft, and is located in an end surface of the rotating plate close to the center of symmetry. Is a portable fire site environment measuring device characterized by fixed magnets. The deploying device includes four racks, the four racks are arranged in an annular shape in the peripheral surface of the measuring box, and the four racks are arranged in an annular shape in the circumferential inner wall of the through hole. The four belt spaces are installed so as to communicate with each other, and meshing gears are rotatably installed in the belt space, and the four meshing gears mesh with each of the four racks.
The drive shaft is fixedly connected to the meshing gear, the drive pulley is fixedly connected to the peripheral surface of the drive shaft, and the transmission pulley can rotate on the side of the drive pulley away from the center of symmetry. A horizontal belt is connected between the transmission pulley and the drive pulley, an intermediate rotation shaft is fixedly connected to the transmission pulley, and the intermediate rotation shaft is connected to the inner wall of the belt space. A driven pulley is rotatably installed in the arcuate groove, and a driven pulley is rotatably installed in the arcuate groove so as to communicate with each other in the lower inner wall of the belt space. A vertical belt is connected between the driven pulley and the transmission pulley, and a driven shaft is fixedly connected in the driven pulley.
Claim 1 is characterized in that a swing rod is fixedly connected to the peripheral surface of the driven shaft, and an elastic cloth is connected between the right end of the swing rod and the lower end of the measuring box. The portable fire site environment measuring device described in. The cooling device includes a pump that is fixedly installed in the measuring box, and water pipes are symmetrically and fixedly connected to both left and right ends of the pump, and a water pipe passage is inside the water pipe. Is installed so as to penetrate up and down, and the water pipe passage is installed so as to communicate with the pump.
A sliding space that opens downward is installed in the measuring box, a heat transfer plate is slidably installed in the sliding space, and a circulation that opens upward in the heat transfer plate. A passage is installed, the lower ends of the water pipes on both the left and right sides extend into the sliding space and are fixedly connected to the heat transfer plate, and the water pipe passage is installed so as to communicate with the circulation passage. The portable fire scene environment measuring device according to claim 1, wherein the device is used. The portable fire site environment measurement according to claim 3, wherein a condensing pipe is fixedly connected to the peripheral surface of the water pipe, and a storage battery is fixedly installed on the upper side of the pump. apparatus. The wind direction measuring device includes a protective block fixedly installed on the lower inner wall of the ventilation hole, a gear space that opens downward is installed in the protective block, and a drive gear is installed in the gear space. Is rotatably installed, a horizontal shaft is fixedly installed in the drive gear, the rear end of the horizontal shaft extends into the ventilation hole, and is fixedly connected to the fan.
A driven gear is connected to the lower end of the driving gear so as to mesh with the driven gear, a vertical axis is fixedly connected to the lower end of the driven gear, and a meshing space is provided in the lower inner wall of the ventilation hole. The lower end of the vertical axis extends into the meshing space and is fixedly connected to the ratchet, and three unidirectional rings are connected to the left end of the ratchet so as to mesh with each other. The portable fire site environment measuring device according to claim 1, wherein the one-way shaft is fixedly connected, and the one-way shaft is rotatably connected between the upper and lower inner walls of the meshing space. .. Fixed blocks are symmetrically and fixedly connected to the peripheral surface of the unidirectional axis, three speed measurement sensors are fixedly connected to the left inner wall of the meshing space, and to the left end of the measurement box. The portable fire scene environment measuring device according to claim 5, wherein the three indicator lights are fixedly connected, and the indicator lights are connected to the speed measurement sensor so as to be energized. The air measuring device includes a filtration net fixedly connected between the inner walls of the ventilation holes, a transmission space is installed in the lower inner wall of the ventilation holes, and a sector gear is provided in the transmission space. Is rotatably installed, the motor shaft is fixedly connected in the sector gear, the motor is fixedly installed in the right inner wall of the transmission space, and the right end of the motor shaft is fixedly connected to the motor. It is movably connected, and a spur gear is connected to the upper end of the sector gear so as to mesh with each other.
Rope grooves are symmetrically formed in the upper and lower inner walls of the ventilation holes, guide wheels are rotatably installed in the rope grooves, and a transmission shaft is fixedly connected in the guide wheels. The lower right end of the transmission shaft extends into the transmission space and is fixedly connected to the spur gear, and a reel is rotatably installed on the front side of the guide wheel of the reel. A winding shaft is fixedly connected inside, the winding shaft is rotatably connected to the left and right inner walls of the rope groove, a tension rope is wound between the reels on both sides, and the upper and lower ends of the tension rope are The claim is characterized in that it is guided by the guide wheel, extends into the ventilation hole, and is fixedly connected to the sliding plate, and the right end of the sliding plate is in contact with the filtration net. The portable fire scene environment measuring device according to 1. The portable fire scene environment measuring device according to claim 7, wherein a rope twisting spring is fixedly connected between the left and right ends of the reel and the left and right inner walls of the rope groove. Necking holes that open to the right are installed in the inner wall on the right side of the ventilation hole so as to communicate with each other, and communication grooves are formed symmetrically and communicate with each other in the inner walls on both the upper and lower sides of the necking hole. A twist shaft is rotatably connected between the front and rear inner walls of the communication groove, a ventilation plate is fixedly connected to the peripheral surface of the twist shaft, and the ventilation plate extends into the necking hole. The necking hole can be closed, an electromagnetic torsion spring is fixedly connected between both front and rear ends of the ventilation plate and the front and rear inner walls of the communication groove, and the electromagnetic torsion spring is electrically connected to an alarm device. The portable fire site environment measuring device according to claim 7, wherein the device is used.

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