CN215691299U

CN215691299U - Fire extinguishing equipment leakage acousto-optic alarm signal feedback device

Info

Publication number: CN215691299U
Application number: CN202121111330.XU
Authority: CN
Inventors: 朱劲武; 周铁祥
Original assignee: Beijing Leader Haixin Gas Fire Extinguishing System Equipment Co ltd
Current assignee: Beijing Leader Haixin Gas Fire Extinguishing System Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-01
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a fire-extinguishing equipment leakage acousto-optic alarm signal feedback device, which comprises a joint, a pressure switch, an acousto-optic alarm device and a protective cap, wherein the action mode is that a bellows-type pressure switch is arranged on the joint, is communicated with the interior of the fire extinguishing equipment through a joint, the leakage of the fire extinguishing equipment causes the change of the internal pressure to trigger a pressure switch, and controls the connection state of the sound-light alarm device, the sound-light alarm device is externally connected with a power supply and an alarm system for monitoring the leakage condition, the diode and the buzzer on the feedback device are used for starting an alarm to prompt field detection personnel to overhaul the equipment in time, simultaneously will leak alarm signal and feed back to monitoring alarm control system, inform the well control room personnel on duty in time overhaul equipment, this practical feedback device simple structure, effect are stable, and extensive applicability is general, has both possessed the signal feedback function, also carries out the effect of reputation alarm simultaneously.

Description

Fire extinguishing equipment leakage acousto-optic alarm signal feedback device

Technical Field

The utility model relates to a signal feedback device, in particular to a fire extinguishing equipment leakage acousto-optic alarm signal feedback device for monitoring the state of automatic fire extinguishing equipment.

Background

At present, with the rapid development of fire-fighting technology, a signal feedback device is widely applied to the aspect of fire-fighting equipment leakage in the fire-fighting field. However, in the prior art, the conventional signal feedback device for fire extinguishing equipment only has a signal feedback function, and cannot perform sound and light alarm when the fire extinguishing equipment leaks and outputs a feedback signal, so that whether the fire extinguishing equipment is in a leakage state or not can be reflected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a fire extinguishing equipment leakage sound-light alarm signal feedback device which comprises a connector, a pressure switch and a sound-light alarm device, wherein the connector is installed on the fire extinguishing equipment and is provided with a through hole communicated with the interior of the fire extinguishing equipment, the pressure switch is installed on the connector and is communicated with the interior of the fire extinguishing equipment through the through hole, the sound-light alarm device is controlled to be electrically communicated or not communicated, the sound-light alarm device comprises a socket, a light emitting diode, a buzzer and a circuit board, the socket, the light emitting diode and the buzzer are respectively installed on the circuit board and are externally connected with a power supply, the light emitting diode and the buzzer are connected with the socket after being arranged in parallel or in series, and two ends of the light emitting diode and the buzzer are respectively electrically connected with the pressure switch after being connected.

Furthermore, the pressure switch comprises a shell, a diaphragm, a mandril, a reed, a pin and a contact, the shell is a shell structure with an installation space inside and is installed on the joint, the circuit board is installed on the shell, the diaphragm is installed in the shell, and divides the installation space into a cavity A and a cavity B, the diaphragm is provided with a cambered surface protruding towards the cavity A, the cavity A is communicated with the through hole, a mandril, reeds and pins are arranged in the cavity B, one end of the mandril is fixedly arranged on the convex cambered surface of the diaphragm, the other end of the mandril faces the reeds, the number of the reeds is 2, one end of the contact is fixedly arranged on the shell, the other end of the contact is fixedly connected with contacts, the contacts are communicated and not communicated through the movement of the ejector rod, the number of the pins is 2, and the pins are respectively and fixedly arranged on the reeds, extend out of the shell and then are electrically connected with the light-emitting diode, the buzzer and the two ends of the extension socket.

Further, pressure switch still includes apron and layer board, the apron is the same with the diaphragm shape, and with the relative lock edge rigid coupling of diaphragm, the layer board sets up on the apron, the apron passes apron and layer board in proper order to with layer board clearance fit.

Further, the shell is made of an insulating material.

Furthermore, the portable air conditioner further comprises a protective cap, wherein the protective cap covers the pressure switch and the sound and light alarm device, and the end parts of the extension socket, the light emitting diode and the buzzer are respectively exposed out of the protective cap.

Further, the protective cap is made of an insulating material.

Furthermore, the joint is a cylinder with a conical bottom surface, a through hole is formed along the axis, an annular groove is formed along the circumferential direction of the joint, and a sealing ring is arranged in the annular groove.

Furthermore, the LED lamp also comprises a relay, wherein the relay is arranged on the circuit board and is connected with the LED and the buzzer in parallel.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the utility model aims to provide a fire extinguishing equipment leakage acousto-optic alarm signal feedback device which has a simple structure and a signal feedback function and can perform acousto-optic alarm at the same time. The device has wide application range, can be installed on a suspension type fire extinguishing device, a gas fire extinguishing device, a fire detection tube type fire extinguishing device and the like, and uses the shell and the protective cap made of insulating materials, so that the device runs stably, the misinformation is reduced, and the service life is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Legend: 1.a joint; 11.a through hole; 12. a ring groove; 2. a pressure switch; 21. a housing; cavity a; 212, cavity B; 22. a membrane; 23. a cover plate; 24. a support plate; 25. a top rod; 26. a reed; 27. a pin; 28. a contact; 3. an audible and visual alarm device; 31. arranging and inserting; 32. a relay; 33. a light emitting diode; 34. a buzzer; 35. a circuit board; 4. a protective cap.

Detailed Description

For a better understanding of the objects, structure and function of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

The fire extinguishing equipment leakage acousto-optic alarm signal feedback device shown in figure 1 comprises a connector 1, a pressure switch 2 and an acousto-optic alarm device 3, wherein the connector 1 is installed on the fire extinguishing equipment and is provided with a through hole 11 communicated with the interior of the fire extinguishing equipment, the pressure switch 2 of which the action mode is a diaphragm pressure switch is installed on the connector 1 and is communicated with the interior of the fire extinguishing equipment through the through hole 11, the internal pressure is reduced due to the leakage of the fire extinguishing equipment, the pressure switch 2 is triggered, and the acousto-optic alarm device 3 is controlled to be electrically communicated or not communicated, the acousto-optic alarm device 3 comprises a socket 31, a light emitting diode 33, a buzzer 34 and a circuit board 35, the socket 31, the light emitting diode 33 and the buzzer 34 are respectively installed on the circuit board 35 and externally connected with a power supply to supply power for elements on the circuit board 35, the light emitting diode 33 and the buzzer 34 are connected with the socket 31 after being connected in parallel or in series, and after the connection, two ends are respectively electrically connected with the pressure switch 2, the opening and closing are controlled by the pressure switch 2, the diode 33 and the buzzer 34 start an alarm to prompt field detection personnel to overhaul the equipment in time, and meanwhile, a leakage alarm signal is fed back to the monitoring alarm control system through a lead inserted on the extension socket 31 to inform a central control room attendant to overhaul the equipment in time, so that the effects of signal feedback function and sound and light alarm are achieved.

Pressure switch 2 includes shell 21, diaphragm 22, ejector pin 25, reed 26, participate in 27 and contact 28, shell 21 is the shell structure that inside has installation space, and install on connecting 1, install circuit board 35 on shell 21, diaphragm 22 installs in shell 21, and separate installation space into A chamber 211 and B chamber 212, diaphragm 22 has the cambered surface of protruding to A chamber 211, this cambered surface makes diaphragm 22 have elasticity, when fire extinguishing apparatus normal condition, under the pressure effect, the cambered surface crookedness of diaphragm 22 diminishes, if after fire extinguishing apparatus takes place to leak, pressure can diminish thereupon, diaphragm 22 with elasticity can tend to get back to initial condition. The cavity A211 is communicated with the through hole 11, the through hole 11 is communicated with the interior of the fire extinguishing equipment, the pressure in the cavity A211 is the same as that in the fire extinguishing equipment through the through hole 11, the ejector rod 25, the reed 26 and the plug pin 27 are arranged in the cavity B212, one end of the ejector rod 25 is fixedly arranged on the concave arc surface of the diaphragm 22, the other end of the ejector rod 25 is arranged towards the reed 26, the reed 26 is made of conductive metal with elasticity, such as iron or copper, when the fire extinguishing equipment is in a normal pressure state without leakage, the ejector rod 25 moves towards the cavity B212, then contacts the reed 26 and jacks up the reed 26 to be in an upward bending shape, if the fire extinguishing equipment leaks, the diaphragm 22 and the ejector rod 25 return to the initial position together, and the reed 26 returns to the horizontal state due to the elasticity of the reed 26. The number of the reeds 26 is 2, in order to enable the pressure switch to be connected or disconnected under the action, the number of the reeds 26 is 2, the effect of the 2 reeds 26 is similar to the switching effect in a circuit, one end of each reed is fixedly arranged on the shell 21, the other end of each reed is fixedly connected with a contact 28, the contacts 28 are made of conductive materials, the contacts 28 are respectively arranged on two surfaces of the 2 reeds 26 facing each other, the contacts 28 are conducted or not conducted through the movement of a push rod 25, the pins 27 are 2 and are respectively and fixedly arranged on the reeds 26, the pins 27 extend out of the shell 21 and are electrically connected with two ends of the light-emitting diode 33, the buzzer 34 and the extension plug 31, the push rod 25 is jacked up under the normal pressure of the fire extinguishing equipment, after the pins 26 are contacted and jacked up, the contacts 28 cannot be contacted with each other, the pressure switch 2 is in a disconnected state, the alarm cannot be triggered, if the fire extinguishing equipment leaks, the internal pressure becomes smaller, the ejector rod 25 in the jacked state returns to the initial position, the jacked reed 26 is in a horizontal state, the contact 28 is contacted to realize conduction, the pressure switch 2 is connected with a power supply, the diode 33 and the diode 34 on the circuit board 35 are electrified through the pin 27 to send out an audible and visual alarm of the leakage of the fire extinguishing equipment, further, the fire extinguishing equipment further comprises a relay 32, the relay 32 is arranged on the circuit board 35 and is connected with the light emitting diode 33 and the buzzer 34 in parallel for protecting the circuit, the relay can be selected from an electromagnetic relay, such as SRA-24VDC-AL, and is connected in parallel in the circuit to realize the effect of protecting the circuit, the light emitting diode 33 uses a single-color light emitting diode with red light, such as F5-24VDC, not only is easy to maintain, but also has the obvious warning effect when in alarming, the buzzer 34 adopts an electromagnetic buzzer, such as YMD 95, and the buzzer 34 is widely applied, the use technology is mature, the alarm sound transmission range is wide, and the warning effect is obvious.

Pressure switch 2 still includes apron 23 and layer board 24, apron 23 is the same with diaphragm 22 shape, it has elasticity the same with diaphragm 22, and with the relative lock edge rigid coupling of diaphragm 22, it is more sensitive to the change of fire extinguishing apparatus internal pressure to make pressure switch 2, there is reaction effect that can be faster when leaking, layer board 24 sets up on apron 23, layer board 24 can support apron 23 and diaphragm 22, prevent to take place to remove, at this moment, can be with layer board 24 edge and shell 21 rigid coupling, with

apron

23 and 24 facial features laminating and sealing connection of layer board, compare and set up the diaphragm alone, it is better to have increased the resilience of layer board and the back diaphragm of apron, the reaction is more sensitive, and ejector pin 25 passes apron 23 and layer board 24 in proper order, and with layer board 24 clearance fit, make ejector pin 25 can move in the direction of perpendicular to layer board 24.

The housing 21 is made of an insulating material, such as nylon 11, and has low manufacturing cost and certain hardness, so that the housing can provide protection and support for internal parts, and the insulating property can prevent the false alarm of leakage caused by circuit failure due to the conduction of the housing 21.

The pressure switch 2 and the acousto-optic alarm device 3 are covered by the protective cap 4, and the protective cap 4 is respectively exposed out of the end parts of the extension socket 31, the light-emitting diode 33 and the buzzer 34. The pressure switch 2 and the acousto-optic alarm device 3 are used for protecting, and the device aging caused by exposure is reduced, so that the service life is prolonged.

The protective cap 4 is made of an insulating material, such as nylon 11, so that the manufacturing cost is low, meanwhile, the protective cap has certain hardness, the protection can be provided, the service life is prolonged, and the insulating performance can prevent the false alarm of the leakage condition caused by the circuit fault due to the conduction of the protective cap 4.

The joint 1 is a cylinder with a conical surface on the bottom surface, a through hole 11 is formed along the axis, an annular groove 12 is formed in the joint 1 along the circumferential direction, a sealing ring is arranged in the annular groove 12, the conical cylinder is easier to set and finish on automatic fire extinguishing equipment, the annular groove 12 can fix the position of the sealing ring, the sealing ring is prevented from moving, and leakage caused by poor sealing effect is avoided.

It should be understood that the above-described embodiments of the present invention are merely 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. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a fire extinguishing apparatus leaks acousto-optic warning signal feedback device which characterized in that: it comprises a joint (1), a pressure switch (2) and a sound-light alarm device (3), wherein the joint (1) is arranged on fire extinguishing equipment, and is provided with a through hole (11) communicated with the interior of the fire extinguishing equipment, the pressure switch (2) is arranged on the joint (1) and is communicated with the interior of the fire extinguishing equipment through the through hole (11), and controls the sound-light alarm device (3) to be electrically connected or not connected, the sound-light alarm device (3) comprises a socket (31), a light-emitting diode (33), a buzzer (34) and a circuit board (35), the extension socket (31), the light emitting diode (33) and the buzzer (34) are respectively arranged on the circuit board (35), the extension socket (31) is externally connected with a power supply, the light-emitting diode (33) and the buzzer (34) are connected in parallel or in series and then are connected with the power strip (31), and two ends of the light-emitting diode are respectively electrically connected with the pressure switch (2) after the light-emitting diode and the buzzer are connected.

2. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 1, characterized in that: the pressure switch (2) comprises a shell (21), a diaphragm (22), an ejector rod (25), a reed (26), a pin (27) and a contact (28), wherein the shell (21) is of a shell structure with an installation space inside and is installed on the joint (1), a circuit board (35) is installed on the shell (21), the diaphragm (22) is installed in the shell (21) and divides the installation space into an A cavity (211) and a B cavity (212), the diaphragm (22) is provided with an arc surface protruding towards the A cavity (211), the A cavity (211) is communicated with a through hole (11), the ejector rod (25), the reed (26) and the pin (27) are arranged in the B cavity (212), one end of the ejector rod (25) is fixedly installed on the arc surface of the diaphragm (22), the other end of the ejector rod faces towards the reed (26), the reeds (26) are 2 in number, one end of the reed is fixedly installed on the shell (21), and the other end of the reed (26) is fixedly installed on the contact (28), the contacts (28) are conducted and not conducted through the movement of the ejector rod (25), the number of the pins (27) is 2, the pins are respectively and fixedly arranged on the reed (26), and the pins (27) extend out of the shell (21) and then are electrically connected with two ends of the light-emitting diode (33), the buzzer (34) and the extension socket (31) after being connected.

3. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 2, characterized in that: pressure switch (2) still include apron (23) and layer board (24), apron (23) are the same with diaphragm (22) shape, and with the relative lock edge rigid coupling of diaphragm (22), layer board (24) set up on apron (23), ejector pin (25) pass apron (23) and layer board (24) in proper order to with layer board (24) clearance fit.

4. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 2, characterized in that: the shell (21) is made of insulating materials.

5. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 1, characterized in that: the novel multifunctional socket is characterized by further comprising a protective cap (4), wherein the protective cap (4) covers the pressure switch (2) and the acousto-optic alarm device (3), and the end parts of the socket (31), the light emitting diode (33) and the buzzer (34) are respectively exposed out of the protective cap (4).

6. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 5, characterized in that: the protective cap (4) is made of insulating materials.

7. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 1, characterized in that: connect (1) for the cylinder of conical surface in the bottom surface, and set up through-hole (11) along the axis, connect (1) and set up annular (12) along circumference, set up the sealing washer in annular (12).

8. The fire extinguishing apparatus leakage acousto-optic alarm signal feedback device according to claim 1, characterized in that: the LED lamp also comprises a relay (32), wherein the relay (32) is arranged on a circuit board (35) and is connected with the light-emitting diode (33) and the buzzer (34) in parallel.