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CN-120733305-B - High-sensitivity hidden fire-fighting nozzle

CN120733305BCN 120733305 BCN120733305 BCN 120733305BCN-120733305-B

Abstract

The invention relates to the technical field of fire safety, and discloses a high-sensitivity hidden fire sprinkler which comprises a group of first mounting holes and a plurality of groups of second mounting holes, wherein the first mounting holes are arranged in a suspended ceiling, the first mounting holes are arranged at the indoor center, the plurality of groups of second mounting holes are arranged above an easy-burning point, a group of hidden fire sprinkler components are arranged in the first mounting holes, a thermosensitive discharge component is arranged in the second mounting holes, the thermosensitive discharge component is connected with the hidden fire sprinkler components through a wire, and the fire sprinkler can quickly generate voltage and current when a fire source generates temperature change through a thermoelectric generation principle (Seebeck effect), is started by a triggering system, has response time shorter than that of a traditional thermosensitive glass plunger, realizes the core advantages of high sensitivity, hidden installation, accurate fire extinguishment and reusability of the fire sprinkler, and is an important technical progress in the fire safety field.

Inventors

  • ZHOU JIANKANG

Assignees

  • 浙江龙鼎消防器材有限公司

Dates

Publication Date
20260512
Application Date
20250730

Claims (7)

  1. 1. The hidden fire-fighting nozzle with high sensitivity comprises a group of first mounting holes and a plurality of groups of second mounting holes, wherein the first mounting holes are arranged in the ceiling; a group of hidden fire-fighting nozzle components are installed in the first installation hole, a thermosensitive discharging component is installed in the second installation hole, and the thermosensitive discharging component is connected with the hidden fire-fighting nozzle components through a wire; The hidden fire control shower nozzle subassembly includes a fixed section of thick bamboo, a fixed section of thick bamboo bottom is installed and is fixed a position and insert a section of thick bamboo, a fixed section of thick bamboo top fixedly connected with water tank, a water tank bottom fixedly connected with sealing block, sliding connection has a sliding section of thick bamboo in the sealing block, a sliding section of thick bamboo bottom fixedly connected with internal thread section of thick bamboo, an internal thread section of thick bamboo internal thread is connected with an installation spiral shell section of thick bamboo, installation spiral shell section of thick bamboo bottom fixedly connected with closing plate, be provided with the delivery port in the closing plate, the delivery port below is provided with the splash box of fixed connection on the closing plate, fixedly connected with fixed dog on the internal thread section of thick bamboo outer wall, fixedly connected with piston cylinder on the fixed section of thick bamboo outer wall, sliding connection has sliding piston on the sliding piston, fixedly connected with flexible dog on the connecting rod, flexible dog and fixed dog mutually support, a connector is fixedly connected with on one side of water tank, the sliding piston is close to one side of piston cylinder and installs the second spring; a sealing plunger is fixedly connected in the water tank, and the bottom of the sealing plunger is matched with the water outlet to seal the water outlet; a protection tube is fixedly connected to one end of the piston cylinder, which is far away from the fixed cylinder, a nickel-titanium alloy memory wire with the diameter of 0.5 millimeter is arranged in the protection tube, a current limiter is fixedly connected to the protection tube, and the nickel-titanium alloy memory wire is connected with the current limiter; The thermosensitive discharge assembly comprises a bismuth telluride thermoelectric block arranged in the second mounting hole, and the bismuth telluride thermoelectric block is connected with the current limiter through a wire; One side of the fixed stop block, which is close to the sealing block, is arranged in an oblique angle, the other side of the fixed stop block is arranged in a right angle, and one end of the telescopic stop block, which is far away from the connecting rod, is arranged in a conical shape; The sealing plunger is characterized in that a water guide groove is arranged in the sealing plunger, a water inlet hole communicated with the water tank is formed in the top of the water guide groove, a sealing plug is arranged at the bottom of the water guide groove, a fixing seat is fixedly connected to the bottom of the sealing plunger, and a thermosensitive glass plunger is arranged between the fixing seat and the sealing plug.
  2. 2. The high-sensitivity concealed fire sprinkler according to claim 1, wherein the first screw seat is fixedly connected to the bottom of the fixed cylinder.
  3. 3. The high-sensitivity hidden fire sprinkler according to claim 1, wherein a limit stop is fixedly connected to the inner wall of the water tank, and the limit stop cooperates with the sliding cylinder to limit the sliding cylinder.
  4. 4. The high-sensitivity hidden fire sprinkler head according to claim 1, wherein the restrictor is fixedly connected with a plurality of groups of mounting cylinders, the mounting cylinders are fixedly connected with first threaded connecting seats, conductive contacts are fixedly installed in the first threaded connecting seats, and the conductive contacts are connected to the restrictor in parallel through conductive wires.
  5. 5. The high-sensitivity hidden fire sprinkler head according to claim 4, wherein the bismuth telluride thermoelectric block is fixedly connected with an insulating mounting seat, the insulating mounting seat is fixedly connected with a second screw seat, the bismuth telluride thermoelectric block passes through the insulating mounting seat and is fixedly connected with a second threaded connecting seat, and a conductive contact is also fixedly arranged in the second threaded connecting seat.
  6. 6. The high-sensitivity hidden fire sprinkler head according to claim 5, wherein the two ends of the lead are fixedly connected with threaded connector lugs, the threaded connector lugs are in threaded connection with the first threaded connection seat and the second threaded connection seat, and the threaded connector lugs are internally fixedly connected with conductive contacts, and the conductive contacts are mutually matched.
  7. 7. The high-sensitivity hidden fire sprinkler according to claim 1, wherein the bottom of the internal thread cylinder is fixedly connected with a baffle, and a first spring is installed between the bottom of the baffle and the positioning insert cylinder.

Description

High-sensitivity hidden fire-fighting nozzle Technical Field The invention relates to the technical field of fire safety, in particular to a hidden fire sprinkler with high sensitivity. Background With the development of social economy and the continuous improvement of living standard of people, fire safety consciousness is deep, and becomes an indispensable important consideration factor in modern building design. Under the background, the popularity of various fire-fighting equipment continuously rises, wherein the fire-fighting spray head has become one of the most widely used automatic fire-extinguishing devices in various building fire-fighting systems due to the advantages of simple structure, convenient installation, high fire-extinguishing efficiency and the like. However, while meeting basic safety requirements, the aesthetic demands of contemporary consumers on living and working environments are also continually increasing. In particular, in high-end commercial complexes, fine hotels, luxury houses, etc., traditional fire sprinkler installation often conflicts with carefully designed interior decoration styles. When the shower nozzle is installed in ceiling or wall with the protrusion, its mechanized outward appearance has not only destroyed the whole aesthetic feeling in space, more probably influences the visual effect of decorative element such as light design, furred ceiling molding to reduce the quality sense and the comfort level of environment. Disclosure of Invention The invention aims to provide a hidden fire-fighting nozzle with high sensitivity so as to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: A high-sensitivity hidden fire-fighting nozzle comprises a group of first mounting holes and a plurality of groups of second mounting holes, wherein the first mounting holes are arranged in a suspended ceiling, the first mounting holes are arranged at the indoor center, and the plurality of groups of second mounting holes are arranged above an easy-to-burn point; a group of hidden fire-fighting nozzle components are installed in the first installation hole, a thermosensitive discharging component is installed in the second installation hole, and the thermosensitive discharging component is connected with the hidden fire-fighting nozzle components through a wire; The hidden fire control shower nozzle subassembly includes a fixed section of thick bamboo, a fixed section of thick bamboo bottom is installed and is fixed a position and insert a section of thick bamboo, a fixed section of thick bamboo top fixedly connected with water tank, a water tank bottom fixedly connected with sealing block, sliding connection has a sliding section of thick bamboo in the sealing block, a sliding section of thick bamboo bottom fixedly connected with internal thread section of thick bamboo, an internal thread section of thick bamboo internal thread is connected with an installation spiral shell section of thick bamboo, installation spiral shell section of thick bamboo bottom fixedly connected with closing plate, be provided with the delivery port in the closing plate, the delivery port below is provided with the splash box of fixed connection on the closing plate, fixedly connected with fixed dog on the internal thread section of thick bamboo outer wall, fixedly connected with piston cylinder on the fixed section of thick bamboo outer wall, sliding connection has sliding piston on the sliding piston, fixedly connected with flexible dog on the connecting rod, flexible dog and fixed dog mutually support, a connector is fixedly connected with on one side of water tank, the sliding piston is close to one side of piston cylinder and installs the second spring; a sealing plunger is fixedly connected in the water tank, and the bottom of the sealing plunger is matched with the water outlet to seal the water outlet; a protection tube is fixedly connected to one end of the piston cylinder, which is far away from the fixed cylinder, a nickel-titanium alloy memory wire with the diameter of 0.5 millimeter is arranged in the protection tube, a current limiter is fixedly connected to the protection tube, and the nickel-titanium alloy memory wire is connected with the current limiter; the thermosensitive discharge assembly comprises a bismuth telluride thermoelectric block arranged in the second mounting hole, and the bismuth telluride thermoelectric block is connected with the current limiter through a wire. As a further scheme of the invention, a sealing ring is arranged at the joint of the sealing plunger and the water outlet. As a further scheme of the invention, the bottom of the fixed cylinder is fixedly connected with a first screw seat. As a further scheme of the invention, the bottom of the positioning insertion cylinder is connected with a protective cover in a sliding manner. As a further scheme of the inventi