CN213347592U

CN213347592U - Temperature-sensing magnetic power generation device for automatic fire extinguishing device

Info

Publication number: CN213347592U
Application number: CN202022025030.1U
Authority: CN
Inventors: 李秀艳
Original assignee: Guangzhou Feng An Fire Engineering Co ltd
Current assignee: Guangzhou Feng An Fire Engineering Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-04
Anticipated expiration: 2030-09-16

Abstract

The application relates to the field of automatic fire-fighting technology, in particular to a temperature-sensing magnetic power generation device for an automatic fire extinguishing device. It includes base and casing, the casing sets up on the base, include spring, connecting rod, annular magnet and induction coil in the casing, spring, connecting rod, annular magnet and induction coil are along the coaxial setting of vertical direction, the spring sets up upper portion in the casing, connecting rod upper portion is passed spring and casing and is connected with the metal fuse link, the connecting rod lower part is connected with annular magnet, induction coil sets up in the annular magnet below, just induction coil and outside extinguishing device electric connection. This application has the effect that reduces extinguishing device false triggering.

Description

Temperature-sensing magnetic power generation device for automatic fire extinguishing device

Technical Field

The application relates to the field of automatic fire-fighting technology, in particular to a temperature-sensing magnetic power generation device for an automatic fire extinguishing device.

Background

The automatic fire extinguishing device is mainly applied to the fields of automobiles, households, industry and the like, and is used for remotely monitoring and controlling real-time temperature change, alarm state and fire extinguisher information in a fire prevention area. When a fire breaks out, the automatic fire extinguishing device needs to receive external triggering action to complete the starting of the fire extinguishing device.

The patent document of the prior publication No. CN209564557U discloses a temperature-sensing magnetic power generation device for an automatic fire extinguishing device, which comprises a housing, wherein a compression spring is arranged on the end surface of an inner cavity of the housing, a push rod is connected to the end of the compression spring, a magnetic steel is arranged on the push rod, an induction coil is arranged in the inner cavity of the housing, a through cavity is arranged inside the induction coil, and the magnetic steel is arranged in the through cavity; a support rod is fixed on the outer end face of the shell, the end of the support rod is rotatably connected with a wane, one end of the wane is connected with the end of the push rod, a temperature sensing glass column is arranged at the other end of the wane, and the other end of the temperature sensing glass column is fixed on the outer end face of the shell; the induction coil is connected with a starting mechanism of the automatic fire extinguishing device.

The principle of the technical scheme is as follows: when the ambient temperature reaches the response temperature of temperature sensing glass post, the temperature sensing glass post bursts, and the other end of wane rotates under compression spring's elastic force effect, and compression spring promotes the push rod and down removes, and at this moment, the magnet steel on the push rod passes induction coil and produces induced-current through cutting magnetic induction line to through induction coil to the current of certain quota of automatic fire extinguishing device's actuating mechanism output, thereby start extinguishing device puts out a fire to the intensity of a fire.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the automatic fire extinguishing device is maintained, a maintainer easily and mistakenly touches the temperature sensing glass column, so that the temperature sensing glass column is easily broken, and finally the fire extinguishing device is triggered.

SUMMERY OF THE UTILITY MODEL

In order to reduce the false triggering of extinguishing device, this application provides a temperature sensing magnetism power generation facility for automatic fire extinguishing device.

The application provides a temperature sensing magnetism power generation facility for automatic fire extinguishing device adopts following technical scheme:

the utility model provides an automatic temperature sensing magnetism power generation facility for extinguishing device, includes base and casing, the casing sets up on the base, including spring, connecting rod, annular magnet and induction coil in the casing, spring, connecting rod, annular magnet and induction coil are coaxial setting in vertical face, the spring sets up upper portion in the casing, connecting rod upper portion is passed spring and casing and is connected with the metal fuse-link, the connecting rod lower part is connected with annular magnet, induction coil sets up in the annular magnet below, just induction coil and outside extinguishing device electric connection.

Through adopting above-mentioned technical scheme, when the conflagration breaing out, the metal fuse link melts under high temperature, connecting rod and annular magnet fall along vertical direction, enter into induction coil, do the motion of cutting magnetic induction line, produce induced electromotive force and induced-current in the induction coil, thereby send the start-up signal of telecommunication to outside extinguishing device, accomplish extinguishing device's start-up, under the conventional state, when maintainer maintained, the metal fuse link was difficult for being destroyed, can effectively reduce the maloperation because of maintainer, and lead to extinguishing device's spurious triggering.

Optionally, the number of the ring magnets is two, and the two ring magnets are stacked in different stages.

Through adopting above-mentioned technical scheme, set up two ring magnets for increase ring magnet's magnetic force guarantees that ring magnet and induction coil produced induced-current can accomplish extinguishing device's start-up.

Optionally, an anti-interference assembly is arranged in the housing, and the anti-interference assembly is connected with the annular magnet and the induction coil.

Through adopting above-mentioned technical scheme, set up the jam-proof subassembly for when not having taken place the conflagration, reduce induction coil because of the induced-current that external magnetic field produced, further reduce fire extinguishing apparatus's spurious triggering.

Optionally, the interference preventing component comprises a first elastic contact piece, a second elastic contact piece, a first lead and a second lead, the first elastic contact piece and the second elastic contact piece are symmetrically arranged at the upper part in the shell along the axial direction of the connecting rod, the first elastic contact piece and the second elastic contact piece are attracted with the annular magnet, one end of the first lead is connected with the first elastic contact piece, the other end of the first lead is connected with the induction coil, one end of the second lead is connected with the second elastic contact piece, and the other end of the second lead is connected with the induction coil.

By adopting the technical scheme, when a fire disaster does not happen, the first elastic contact piece, the second elastic contact piece, the first lead, the second lead, the annular magnet and the induction coil form a closed loop to short circuit the induction coil, so that the induction coil cannot send a starting electric signal to an external fire extinguishing device under the action of an external magnetic field.

Optionally, a first wiring terminal and a second wiring terminal are arranged on the base, one end of the induction coil is connected with the first wiring terminal, and the other end of the induction coil is connected with the second wiring terminal.

Through adopting above-mentioned technical scheme, set up terminal one and terminal two, make things convenient for induction coil and fire-extinguishing apparatus to be connected, and then make things convenient for later maintenance personnel to maintain induction coil and fire-extinguishing apparatus junction.

Optionally, a diode is arranged in the base, a P pole of the diode is electrically connected with the induction coil, and an N pole of the diode is electrically connected with the first wiring terminal.

By adopting the technical scheme, the diode is arranged for rectifying, and the alternating current generated by the induction coil is converted into direct current so as to provide a relatively stable starting current signal for the fire extinguishing equipment.

Optionally, be provided with reset assembly on the base, reset assembly includes release link, reset spring and bracing piece, release link and the coaxial setting of connecting rod are on the base, the reset spring cover is established on the connecting rod, just reset spring one end is connected with the base, the other end is connected with the release link, bracing piece one end is articulated with the release link, the other end pushes up with base upper portion and touches.

Through adopting above-mentioned technical scheme, be provided with the subassembly that resets for reset connecting rod and annular magnet, the convenience triggers fire extinguishing apparatus work next time.

Optionally, the release link includes release link one and release link two, release link one is fixed to be set up on the base, release link two is established on release link one, reset spring cover is established on release link two, just the bracing piece is articulated with the tip under the release link two.

Through adopting above-mentioned technical scheme, during the use, make the bracing piece leave base upper portion, reset spring contracts, and reset lever one upwards moves along two reset lever, and then upwards pushes up connecting rod and annular magnet and touch, and connecting rod and annular magnet reset.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the metal fuse link is arranged and clamped between the upper end part of the connecting rod and the outer side wall of the shell, when a fire disaster happens, the metal fuse link is melted under high temperature, the connecting rod and the annular magnet fall along the vertical direction and enter the induction coil to do cutting magnetic induction line movement, induced electromotive force and induced current are generated in the induction coil, a starting electric signal is sent to the external fire extinguishing device, and the false triggering of the fire extinguishing device caused by the misoperation of maintenance personnel can be effectively reduced;

2. be provided with the jam-proof subassembly in this application, the jam-proof subassembly includes elastic contact one, elastic contact two, wire one and wire two, and when not taking place the conflagration, elastic contact one, elastic contact two, wire one, wire two, ring magnet, induction coil form closed circuit, with induction coil short circuit, make induction coil can not trigger fire extinguishing apparatus under the outside magnetic field effect, further reduced extinguishing device's spurious triggering.

Drawings

Fig. 1 is a schematic structural view of a temperature-sensitive magnetic power generation device for an automatic fire extinguishing device according to the present application.

Fig. 2 is a sectional view of a temperature-sensitive magneto-electric device for an automatic fire extinguishing device according to the present invention.

Description of reference numerals: 1. a base; 2. a housing; 3. a spring; 4. a connecting rod; 5. a ring magnet; 6. an induction coil; 7. a metal fuse link; 8. an interference prevention assembly; 81. a first elastic contact piece; 82. a second elastic contact piece; 83. a first lead; 84. a second conducting wire; 9. a binding post I; 10. a second wiring terminal; 11. a diode; 12. a reset assembly; 121. a reset lever; 1211. a first reset rod; 1212. a second reset rod; 122. a return spring; 123. a support rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-2 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

For ease of understanding, the manner in which the automatic fire extinguishing device is activated is first described in the present application, and the manner in which the fire extinguishing device is activated generally takes three forms: 1. active start by a controller; when a fire disaster happens, the controller judges the fire condition through the detection equipment and sends a starting electric signal to the fire extinguishing device to complete the starting of the fire extinguishing device. 2. Starting a thermosensitive wire; a combustible wire containing gunpowder is led out from the fire extinguishing device and is directly ignited by open fire in case of fire. 3. Starting passive magnetic power generation; after detecting the fire, the temperature sensing element triggers the mechanical device to generate current, so that a starting electric signal is sent to the fire extinguishing device, and the fire extinguishing device is started. The starting mode of the present application is a third starting mode, and is generally used for starting an aerosol or dry powder extinguishing device.

The embodiment of the application discloses a temperature sensing magnetic power generation device for an automatic fire extinguishing device. Referring to fig. 1, the temperature-sensing magnetic power generation device for the automatic fire extinguishing apparatus comprises a base 1 and a shell 2, wherein the shell 2 is detachably fixed on the base 1 through bolts, the shell 2 comprises a spring 3, a connecting rod 4, an annular magnet 5 and an induction coil 6, and the spring 3, the connecting rod 4, the annular magnet 5 and the induction coil 6 are coaxially arranged in the shell 2 along the vertical direction; the upper part in the shell 2 is provided with a mounting hole, the spring 3 is clamped in the mounting hole, the upper part of the connecting rod 4 penetrates through the spring 3 and the mounting hole to extend outwards, the upper end part of the connecting rod 4 and the outer side wall of the shell 2 are provided with metal fuse pieces 7 in a clamping manner, in order to increase the magnetic force of the annular magnet 5 and ensure that the induced current generated by the annular magnet 5 and the induction coil 6 can drive the fire extinguishing equipment to be opened, the two annular magnets 5 are arranged in a two-piece manner, the two annular magnets 5 are sleeved on the lower part of the connecting rod 4 in a different-level superposition manner; the induction coil 6 is fixedly arranged below the annular magnet 5, two leads extend out of the induction coil 6, and the two leads are connected with an external fire extinguishing device; when the conflagration breaing out, metal fuse link 7 melts under high temperature, connecting rod 4 and annular magnet 5 fall along vertical direction, enter into induction coil 6 in, do cutting magnetic induction line motion, produce induced electromotive force and induced-current in the induction coil 6, thereby send the start-up signal of telecommunication to outside extinguishing device, accomplish extinguishing device's start-up, under the conventional state, when maintainer maintained, metal fuse link 7 was difficult for being destroyed, can effectively reduce the maloperation because of maintainer, lead to extinguishing device's spurious triggering.

In order to further reduce the false triggering of fire extinguishing equipment, a disturbance preventing component 8 is further arranged in the shell 2, the disturbance preventing component 8 comprises a first elastic contact piece 81, a second elastic contact piece 82, a first conducting wire 83 and a second conducting wire 84, the first elastic contact piece 81 and the second elastic contact piece 82 are symmetrically arranged on the upper portion in the shell 2 along the axial direction of the connecting rod 4, the first elastic contact piece 81 and the second elastic contact piece 82 are attracted with the annular magnet 5, one end of the first conducting wire 83 is connected with the first elastic contact piece 81, the other end of the first conducting wire is connected with the induction coil 6, one end of the second guiding wire is connected with the second elastic contact piece 82, and the other. When a fire disaster does not happen, the first elastic contact piece 81, the second elastic contact piece 82, the first lead 83, the second lead 84, the annular magnet 5 and the induction coil 6 form a closed loop to short circuit the induction coil 6, so that the induction coil 6 cannot generate induction current under the action of an external magnetic field, and the aim of reducing triggering of fire extinguishing equipment is fulfilled.

In order to facilitate the connection of the induction coil 6 and fire extinguishing equipment and also facilitate the maintenance of the connection part of the induction coil 6 and the fire extinguishing equipment by later-period maintenance personnel, a first wiring terminal 9 and a second wiring terminal 10 are installed on the base 1 in a threaded manner, one 83 leads of the induction coil are connected with the first wiring terminal 9, and the other lead is connected with the second wiring terminal 10.

In order to improve the stability of the electric signal output by the first binding post 9 and ensure the normal starting of the fire extinguishing equipment, a diode 11 is arranged in the base 1, the P pole of the diode 11 is connected with a conducting wire of the induction coil 6, the N pole of the diode 11 is connected with the first binding post 9, the diode 11 rectifies the induction current generated by the induction coil 6, the induction current is converted into a direct current point, and the stability of the starting electric signal is improved.

In order to facilitate the resetting of the connecting rod 4 and the annular magnet 5 and facilitate the next triggering of the fire extinguishing apparatus, the base 1 is provided with the resetting assembly 12, the resetting assembly 12 comprises a resetting rod 121, a resetting spring 122 and a supporting rod 123, the resetting rod 121 comprises a resetting rod 1211 and a resetting rod 1212, wherein the resetting rod 1211 is fixedly welded on the lower portion of the base 1, the resetting rod 1212 is sleeved on the resetting rod 1211, the resetting spring 122 is sleeved on the resetting rod 1212, the lower end of the resetting spring 122 is fixedly connected with the lower portion of the resetting rod 1212, the upper end of the resetting spring 122 is fixedly connected with the upper portion of the base 1, the lower end of the supporting rod 123 is hinged to the resetting rod 1212, and the upper end of the supporting rod is in top contact. When the device is used, the supporting rod 123 is separated from the upper part of the base 1, the return spring 122 contracts, and the first return rod 1211 moves upwards along the second return rod 1212, so that the connecting rod 4 and the ring magnet 5 are upwards contacted, and the connecting rod 4 and the ring magnet 5 are reset.

The implementation principle of the temperature-sensing magnetic power generation device for the automatic fire extinguishing device is as follows: in a normal state, the first elastic contact piece 81, the second elastic contact piece 82, the first lead 83, the second lead 84, the annular magnet 5 and the induction coil 6 form a closed loop to short-circuit the induction coil 6, so that the induction coil 6 cannot generate induction current under the action of an external magnetic field;

when a fire disaster occurs, the metal fuse link 7 is melted at high temperature, the connecting rod 4 and the annular magnet 5 fall along the vertical direction and enter the induction coil 6 to perform cutting magnetic induction line motion, and induced electromotive force and induced current are generated in the induction coil 6, so that a starting electric signal is sent to an external fire extinguishing device, and the fire extinguishing device is started;

after the fire extinguishing is finished, the supporting rod 123 is manually acted, the supporting rod 123 is enabled to be away from the upper portion of the base 1, the return spring 122 contracts, the first return rod 1211 moves upwards along the second return rod 1212, the connecting rod 4 and the annular magnet 5 are further pushed upwards to enable the connecting rod 4 and the annular magnet 5 to be reset, and then a new metal fuse link 7 is clamped between the upper end portion of the connecting rod 4 and the shell 2.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims

1. The utility model provides a temperature sensing magnetism power generation facility for automatic fire extinguishing device which characterized in that: the fire extinguishing device is characterized by comprising a base (1) and a shell (2), wherein the shell (2) is arranged on the base (1), the shell (2) comprises a spring (3), a connecting rod (4), an annular magnet (5) and an induction coil (6), the spring (3), the connecting rod (4), the annular magnet (5) and the induction coil (6) are coaxially arranged in a vertical plane, the spring (3) is arranged on the upper portion of the shell (2), the upper portion of the connecting rod (4) penetrates through the spring (3) and the shell (2) to be clamped with a metal fuse link (7), the lower portion of the connecting rod (4) is connected with the annular magnet (5), the induction coil (6) is arranged below the annular magnet (5), and the induction coil (6) is electrically connected with an external fire extinguishing device.

2. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 1, characterized in that: the two annular magnets (5) are arranged in a different-level superposition mode, and the two annular magnets (5) are arranged in a different-level superposition mode.

3. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 1, characterized in that: the anti-interference induction heating coil is characterized in that an anti-interference component (8) is arranged in the shell (2), and the anti-interference component (8) is connected with the annular magnet (5) and the induction coil (6).

4. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 3, characterized in that: the anti-interference assembly (8) comprises a first elastic contact piece (81), a second elastic contact piece (82), a first wire (83) and a second wire (84), wherein the first elastic contact piece (81) and the second elastic contact piece (82) are symmetrically arranged on the inner upper part of the shell (2) along the axial direction of the connecting rod (4), the first elastic contact piece (81) and the second elastic contact piece (82) are attracted with the annular magnet (5), one end of the first wire (83) is connected with the first elastic contact piece (81), the other end of the first wire is connected with the induction coil (6), one end of the second wire (84) is connected with the second elastic contact piece (82), and the other end of the second wire is connected with the induction coil (6).

5. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 1, characterized in that: the base (1) is provided with a first wiring terminal (9) and a second wiring terminal (10), one end of the induction coil (6) is connected with the first wiring terminal (9), and the other end of the induction coil is connected with the second wiring terminal (10).

6. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 1, characterized in that: the LED lamp is characterized in that a diode (11) is arranged in the base (1), the P pole of the diode (11) is electrically connected with the induction coil (6), and the N pole of the diode (11) is electrically connected with the first wiring terminal (9).

7. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 1, characterized in that: be provided with reset assembly (12) on base (1), reset assembly (12) are including release link (121), reset spring (122) and bracing piece (123), release link (121) set up on base (1) and coaxial with connecting rod (4), reset spring (122) cover is established on release link (121), just reset spring (122) one end is connected with base (1) upper portion, the other end is connected with release link (121), bracing piece (123) one end is articulated with release link (121), the other end pushes up with base (1) upper portion and touches.

8. The temperature-sensing magnetic power generation device for the automatic fire extinguishing device according to claim 7, characterized in that: reset lever (121) include reset lever one (1211) and reset lever two (1212), reset lever one (1211) is fixed to be set up on base (1), reset lever two (1212) is established on reset lever one (1211), reset spring (122) are established on reset lever two (1212), just bracing piece (123) and the end is articulated under reset lever two (1212).