CN214971385U

CN214971385U - Intelligent fire extinguisher head

Info

Publication number: CN214971385U
Application number: CN202120429463.5U
Authority: CN
Inventors: 张继忠
Original assignee: Zhejiang Zhonghua Fire Fighting Equipment Co ltd
Current assignee: Zhejiang Zhonghua Fire Fighting Equipment Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-12-03
Anticipated expiration: 2031-02-27

Abstract

The utility model discloses an intelligent fire extinguisher head, including L type connecting pipe, the welding of the middle part outer wall of L type connecting pipe has sealed piece, and L type connecting pipe one end inner wall has cup jointed electric valve, electric valve keeps away from the one end of L type connecting pipe and is fixed with the siphon, and L type connecting pipe other end inner wall spiro union has the nozzle, the nozzle outer wall bonds and has the infrared photoelectric sensor that the equidistance distributes, and the outer wall of L type connecting pipe one side is opened there is the through-hole, the through-hole inner wall is pegged graft and is had the connecting rod, and bonds the connecting rod bottom has the piston. The utility model discloses set up the double switch in the inside of extinguisher head, utilize the hand to press down the piston and lift up opening device on the one hand, on the other hand utilizes the microprocessor chip to control electric valve, can effectively increase the security of device, and the first in command is equipped with the safety cock with the junction of second in command in addition, can prevent to miss at ordinary times and touch the extinguisher head, increase the security of device.

Description

Intelligent fire extinguisher head

Technical Field

The utility model relates to a fire extinguisher technical field especially relates to intelligent extinguisher head.

Background

At present, fire disasters bring huge economic loss and casualties to people all over the world, the existing fire extinguishers on the market need to be operated manually to extinguish fire, the existing fire extinguishing and fire fighting devices can automatically spray fire extinguishing substances only after a fire disaster happens, but the loss caused is also large, most of the fire extinguishers can be sprayed by pressing a handle by manpower, and most of people only know how to use the fire extinguishers and have less experience in actual operation, so when operating some fire extinguishers, some people often press the fire extinguishers while hands of the people are placed in front of a nozzle, the hands of the people can be injured by the sprayed fire extinguishing materials by pressing the handle at the moment, therefore, the traditional fire extinguisher head has lower safety, and when the nozzle is blocked by foreign matters, the fire extinguishers can not be detected in time, so the fire extinguishers are used, there will also be certain safety hazards.

Therefore, the Chinese patent (application No. 202010063700.0) discloses an intelligent fire extinguisher, which is characterized in that a monitoring terminal is arranged on a valve assembly, a magnetic field sensor in the monitoring terminal can detect whether a safety pin on the fire extinguisher is pulled out or not, and sends information to a remote terminal, so that personnel can monitor the state of the fire extinguisher in real time, accidents are avoided, the specific position of the fire extinguisher can be known through an RFID (radio frequency identification) tag in the monitoring terminal, and the situations of loss and shortage are avoided. However, the fire extinguisher can only detect whether the safety plug is pulled out, but cannot detect whether the nozzle of the fire extinguisher is blocked by foreign matters or not and cannot remind a user to remove the hand from the front of the nozzle, so that certain potential safety hazards still exist in the using process of the fire extinguisher, and the safety of the user cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an intelligent fire extinguisher head.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intelligent extinguisher head comprises an L-shaped connecting pipe, wherein a sealing block is welded on the outer wall of the middle part of the L-shaped connecting pipe, an electric valve is sleeved on the inner wall of one end of the L-shaped connecting pipe, a siphon is fixed at one end, away from the L-shaped connecting pipe, of the electric valve, a nozzle is screwed on the inner wall of the other end of the L-shaped connecting pipe, infrared photoelectric sensors distributed at equal intervals are bonded on the outer wall of the nozzle, a through hole is formed in the outer wall of one side of the L-shaped connecting pipe, a connecting rod is inserted into the inner wall of the through hole, a piston is bonded at the bottom of the connecting rod, a compression spring is sleeved on the outer wall of the connecting rod, a first handle is rotatably connected at the top of the connecting rod, a second handle is fixed on the first handle through a torsion spring, a fixing rod is welded on the inner wall of the top of the first handle, a mounting groove is formed in the outer wall of the top of the second handle, a trigger switch is installed inside the mounting groove, and a mounting shell is welded on the outer wall of one side of the L-shaped connecting pipe, and the installation shell internally mounted has the microprocessor chip, microprocessor chip bottom is equipped with the battery compartment, and the battery compartment is connected with the microprocessor chip through the wire, infrared photoelectric sensor and electric valve signal end all are connected with the microprocessor chip through the signal line.

Preferably, the inner wall of the top of the sealing block is provided with an annular sealing groove, the inner wall of the annular sealing groove is clamped with an annular sealing ring, and the annular sealing groove and the annular sealing ring form a fastening fit.

Preferably, the outer walls of the middle parts of the first handle and the second handle are welded with connecting blocks, penetrating limiting holes are formed in the connecting blocks, and safety bolts are inserted into the inner walls of the limiting holes.

Preferably, the inside of battery compartment is equipped with the dry battery, and the battery compartment is connected with the trigger formula switch through the wire, the trigger formula switch is connected with electric valve through the wire.

Preferably, the size of the piston is matched with the size of the inner wall of the L-shaped connecting pipe, and the piston and the L-shaped connecting pipe form sliding fit.

Preferably, the fixing rod and the trigger switch are located on the same straight line, and the fixing rod is located above the trigger switch.

Preferably, the inner wall of the through hole is bonded with a sealing ring, and the sealing ring is matched with the connecting rod.

The utility model has the advantages that:

1. according to the intelligent fire extinguisher head, the annular sealing groove is formed in the inner wall of the bottom of the sealing block, and the annular sealing ring is arranged in the annular sealing groove, so that the sealing property between the fire extinguisher head and the fire extinguisher cylinder can be effectively improved, and the safety of the intelligent fire extinguisher head is improved;

2. according to the intelligent fire extinguisher head, the infrared photoelectric sensors are arranged on the outer wall of the nozzle at equal intervals, when the fire extinguisher is used, the infrared photoelectric sensors can detect whether a hand or other foreign matters block the front of the nozzle, if the hand or other foreign matters block the front of the nozzle, the microprocessor chip cannot open the switch of the electric valve, and the switch of the electric valve is not opened until the hand or the foreign matters are treated, so that fire is extinguished, the fire extinguisher can be prevented from injuring the hand of a human body, and the safety of the device is improved;

3. the intelligent fire extinguisher head of this design sets up double switch in the inside of fire extinguisher head, utilizes the hand to press the piston to lift up opening device on the one hand, and on the other hand utilizes the microprocessor chip to control electric valve, can effectively increase the security of device, and the first in command is equipped with the safety catch with the junction of second in command in addition, can prevent to miss at ordinary times and touch fire extinguisher head, increases the security of device.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the intelligent fire extinguisher head provided by the utility model;

fig. 2 is a front view of the overall structure of the intelligent fire extinguisher head provided by the utility model;

fig. 3 is an enlarged schematic view of a part of the structure of the intelligent fire extinguisher head provided by the utility model;

fig. 4 is a schematic view of the internal structure of the mounting shell of the intelligent fire extinguisher head provided by the utility model;

fig. 5 is the circuit diagram of the whole structure of the intelligent fire extinguisher head provided by the utility model.

In the figure: the device comprises a 1L-shaped connecting pipe, a 2 sealing block, a 3 annular sealing groove, a 4 annular sealing ring, a 5 electric valve, a 6 siphon pipe, a 7 nozzle, an 8 infrared photoelectric sensor, a 9 through hole, a 10 connecting rod, a 11 piston, a 12 compression spring, a 13 first handle, a 14 second handle, a 15 fixing rod, a 16 mounting groove, a 17 trigger switch, a 18 connecting block, a 19 safety plug, a 20 mounting shell, a 21 microprocessor chip and a 22 battery cabin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the intelligent fire extinguisher head comprises an L-shaped connecting pipe 1, a sealing block 2 is welded on the outer wall of the middle part of the L-shaped connecting pipe 1, an annular sealing groove 3 is formed in the inner wall of the top of the sealing block 2, an annular sealing ring 4 is clamped in the inner wall of the annular sealing groove 3, the annular sealing groove 3 and the annular sealing ring 4 form a fastening fit, an electric valve 5 is sleeved on the inner wall of one end of the L-shaped connecting pipe 1, the annular sealing groove 3 is formed in the inner wall of the bottom of the sealing block 2, and the annular sealing ring 4 is arranged inside the annular sealing groove 3, so that the sealing performance between the fire extinguisher head and a fire extinguisher cylinder can be effectively improved, and the safety of the device is improved;

a siphon 6 is fixed at one end of the electric valve 5 far away from the L-shaped connecting pipe 1, a nozzle 7 is screwed on the inner wall of the other end of the L-shaped connecting pipe 1, infrared photoelectric sensors 8 distributed at equal intervals are adhered on the outer wall of the nozzle 7, a through hole 9 is formed in the outer wall of one side of the L-shaped connecting pipe 1, a connecting rod 10 is inserted into the inner wall of the through hole 9, a piston 11 is adhered at the bottom of the connecting rod 10, a sealing ring is adhered on the inner wall of the through hole 9 and is matched with the connecting rod 10, the size of the piston 11 is matched with the size of the inner wall of the L-shaped connecting pipe 1, the piston 11 is in sliding fit with the L-shaped connecting pipe 1, a compression spring 12 is sleeved on the outer wall of the connecting rod 10, a first handle 13 is rotatably connected at the top of the connecting rod 10, a second handle 14 is fixed on the first handle 13 through a torsion spring, a fixing rod 15 is welded on the inner wall of the top of the first handle 13, a mounting groove 16 is formed on the outer wall of the top of the second handle 14, and the trigger switch 17 is installed in the mounting groove 16, the infrared photoelectric sensors 8 distributed at equal intervals are arranged on the outer wall of the nozzle 7, when the fire extinguisher is used, the infrared photoelectric sensors 8 can detect whether a hand or other foreign matters block the front of the nozzle 7, if the foreign matters block the front, the microprocessor chip 21 can not open the switch of the electric valve 5, the switch of the electric valve 5 is not opened until the hand or the foreign matters are processed, so that the fire extinguisher can be prevented from injuring the hand of a human body, and the safety of the device is improved;

the fixing rod 15 and the trigger switch 17 are located on the same straight line, and the fixing rod 15 is located above the trigger switch 17, the connecting block 18 is welded on the outer wall of the middle portion of the first handle 13 and the second handle 14, and the connecting block 18 is provided with a through limiting hole, the inner wall of the limiting hole is inserted with a safety plug 19, the outer wall of one side of the L-shaped connecting pipe 1 is welded with an installation shell 20, a microprocessor chip 21 is installed inside the installation shell 20, the bottom of the microprocessor chip 21 is provided with a battery chamber 22, the battery chamber 22 is connected with the microprocessor chip 21 through a wire, the signal ends of the infrared photoelectric sensor 8 and the electric valve 5 are connected with the microprocessor chip 21 through signal lines, dry batteries are arranged inside the battery chamber 22, the battery chamber 22 is connected with the trigger switch 17 through a wire, the trigger switch 17 is connected with the electric valve 5 through a wire, a double switch is arranged inside the fire extinguisher head, on one hand, the hand is used for pressing the piston 11 to lift the opening device, on the other hand, the microprocessor chip 21 is used for controlling the electric valve 5, the safety of the device can be effectively improved, and the safety plug 19 is arranged at the joint of the first handle 13 and the second handle 14, so that the fire extinguisher head can be prevented from being touched by mistake at ordinary times, and the safety of the device is improved.

The working principle is as follows: when the intelligent fire extinguisher head is used, firstly, the microprocessor chip 21 and the infrared photoelectric sensor 8 are connected with the electric valve 5 by using a signal line, a dry battery is installed in the battery bin 22, then the intelligent fire extinguisher head is installed on a fire extinguisher cylinder body, when the intelligent fire extinguisher head needs to be used, the front of the nozzle 7 is ensured not to be blocked by hands or other foreign matters, then the safety bolt 19 is pulled out, and the first handle 13 is pressed downwards, the first handle 13 can tilt the connecting rod 10, the piston 11 at the bottom of the connecting rod 10 is lifted upwards, the fixing rod 15 at the tail part of the first handle 13 moves downwards, and the trigger switch 17 is pressed, the trigger switch 17 switches on the circuit power supply, and as the front of the nozzle 7 is not blocked by the foreign matters, the microprocessor chip 21 can control the electric valve 5 to be opened, thereby fire extinguishing materials are sprayed out, and fire extinguishing is carried out on fire-starting points.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An intelligent extinguisher head comprises an L-shaped connecting pipe (1) and is characterized in that a sealing block (2) is welded on the outer wall of the middle of the L-shaped connecting pipe (1), an electric valve (5) is sleeved on the inner wall of one end of the L-shaped connecting pipe (1), a siphon (6) is fixed at one end, away from the L-shaped connecting pipe (1), of the electric valve (5), a nozzle (7) is screwed on the inner wall of the other end of the L-shaped connecting pipe (1), infrared photoelectric sensors (8) distributed at equal intervals are bonded on the outer wall of the nozzle (7), a through hole (9) is formed in the outer wall of one side of the L-shaped connecting pipe (1), a connecting rod (10) is spliced on the inner wall of the through hole (9), a piston (11) is bonded on the bottom of the connecting rod (10), a compression spring (12) is sleeved on the outer wall of the connecting rod (10), and a first handle (13) is rotatably connected to the top of the connecting rod (10), first in command (13) are fixed with second in command (14) through torsion spring, and first in command (13) top inner wall welding has dead lever (15), second in command (14) top outer wall is opened there is mounting groove (16), and mounting groove (16) internally mounted has trigger formula switch (17), one side outer wall welding of L type connecting pipe (1) has installation shell (20), and installation shell (20) internally mounted has microprocessor chip (21), microprocessor chip (21) bottom is equipped with battery compartment (22), and battery compartment (22) are connected with microprocessor chip (21) through the wire, infrared photoelectric sensor (8) and electric valve (5) signal end all are connected with microprocessor chip (21) through signal line.

2. The intelligent fire extinguisher head according to claim 1, characterized in that an annular sealing groove (3) is formed on the inner wall of the top of the sealing block (2), an annular sealing ring (4) is clamped on the inner wall of the annular sealing groove (3), and the annular sealing groove (3) and the annular sealing ring (4) form a fastening fit.

3. The intelligent fire extinguisher head according to claim 1, characterized in that the outer walls of the middle portions of the first handle (13) and the second handle (14) are welded with connecting blocks (18), the connecting blocks (18) are provided with limiting holes which penetrate through, and the inner walls of the limiting holes are inserted with safety bolts (19).

4. A smart fire extinguisher head according to claim 1, characterized in that the interior of the battery compartment (22) is provided with dry cells, and the battery compartment (22) is connected with a trigger switch (17) by a wire, and the trigger switch (17) is connected with an electric valve (5) by a wire.

5. A smart extinguisher head according to claim 1, characterized in that the piston (11) is dimensioned to fit the inner wall of the L-shaped connecting pipe (1) and the piston (11) forms a sliding fit with the L-shaped connecting pipe (1).

6. A smart extinguisher head according to claim 1, characterized in that the securing lever (15) is located in line with the trigger switch (17) and the securing lever (15) is located above the trigger switch (17).

7. The intelligent fire extinguisher head according to claim 1, characterized in that a sealing ring is bonded to the inner wall of the through hole (9), and the sealing ring is matched with the connecting rod (10).