阅读说明：本技术 一种可自动灭火的展位配电装备 (Exhibition booth distribution equipment capable of automatically extinguishing fire ) 是由 蔡凯东 于 2021-09-24 设计创作，主要内容包括：本发明涉及一种可自动灭火的展位配电装备,涉及配电装备技术领域。该可自动灭火的展位配电装备包括配电箱和配电箱盖,所述配电箱内设置有元器件,所述配电箱盖用于配电箱的封堵,所述配电箱和配电箱盖通过若干个固定组件进行连接；本发明对现有的展位配电装备的结构进行改进,改进后的展位配电装备,在实际的使用过程中,当展位配电装备内发生火灾时,能够实现自动灭火的作用,从而达到快速消除展位配电装备内的火情,确保展位配电装备在使用的过程中,能够更加的安全可靠。(The invention relates to exhibition booth power distribution equipment capable of automatically extinguishing fire, and relates to the technical field of power distribution equipment. The exhibition position power distribution equipment capable of automatically extinguishing the fire comprises a power distribution box and a power distribution box cover, wherein components are arranged in the power distribution box, the power distribution box cover is used for plugging the power distribution box, and the power distribution box cover are connected through a plurality of fixing components; the structure of the existing exhibition position power distribution equipment is improved, and the improved exhibition position power distribution equipment can realize the function of automatically extinguishing fire when a fire disaster occurs in the exhibition position power distribution equipment in the actual use process, so that the fire in the exhibition position power distribution equipment is quickly eliminated, and the exhibition position power distribution equipment can be safer and more reliable in the use process.)

1. The utility model provides a but exhibition position distribution equipment of automatic fire extinguishing, including block terminal (1) and distribution box lid (3), a serial communication port, be provided with components and parts (2) in block terminal (1), distribution box lid (3) are used for the shutoff of block terminal (1), block terminal (1) and distribution box lid (3) are connected through fixed subassembly (4) of a plurality of, every fixed subassembly (4) are including first fixed screw hole (41), fixed screw hole of second (42) and set screw (43), first fixed screw hole (41) are seted up on block terminal (1), the fixed screw hole of second (42) are seted up on distribution box lid (3).

2. The self-extinguishing booth power distribution equipment of claim 1, wherein: the fixing screw (43) is inserted in the first fixing screw hole (41) and the second fixing screw hole (42) in a threaded manner.

3. The self-extinguishing booth power distribution equipment of claim 2, wherein: a dry powder extinguishing nozzle (5) is arranged in the distribution box (1), and the dry powder extinguishing nozzle (5) is used for extinguishing fire when the component (2) is on fire.

4. The self-extinguishing booth power distribution equipment of claim 3, wherein: a control mechanism (7) is arranged in the distribution box (1).

5. The self-extinguishing booth power distribution equipment of claim 4, wherein: the control mechanism (7) comprises a mercury box (71) and a heat-conducting plate (72), the mercury box (71) is fixedly arranged on the inner side wall of the distribution box (1), mercury is arranged in the mercury box (71), the heat-conducting plate (72) is fixedly inserted in the side wall of the mercury box (71), a movable piston (73) is movably arranged in the mercury box (71), a movable supporting rod (74) is fixedly connected on the upper end surface of the movable piston (73), the movable supporting rod (74) is movably inserted in the top plate of the mercury box (71), a first supporting spring (75) is wound and connected outside the movable supporting rod (74), two ends of the first supporting spring (75) are respectively and fixedly connected on the side wall of the movable supporting rod (74) and the outer top wall of the mercury box (71), a first electrode contact piece (76) is fixedly connected on the upper end of the movable supporting rod (74), and a second electrode contact piece (77) is arranged right above the first electrode contact piece (76), the lateral wall fixedly connected with fixed block (78) of second electrode contact (77), and fixed block (78) are fixed to be set up on the inside wall of mercury case (71).

6. The self-extinguishing booth power distribution equipment of claim 5, wherein: be provided with heat dissipation through-hole (6) in block terminal (1), heat dissipation through-hole (6) are used for components and parts (2) during operation to dispel the heat to components and parts (2).

7. The self-extinguishing booth power distribution equipment of claim 6, wherein: be provided with shutoff mechanism (8) in block terminal (1), shutoff mechanism (8) are used for realizing the shutoff effect to heat dissipation through-hole (6) to isolated outside air enters into in block terminal (1).

8. The self-extinguishing booth power distribution equipment of claim 7, wherein: plugging mechanism (8) are including plugging plate (81), plugging plate (81) slide to set up on the interior diapire of block terminal (1), vertical supporting plate (82) of fixedly connected with on the lateral wall of plugging plate (81), and two first direction supporting component (83) of symmetry fixedly connected with on the lateral wall of vertical supporting plate (82), the free end fixed connection of first direction supporting component (83) is on the inside wall of block terminal (1), be provided with actuating mechanism (84) in block terminal (1), actuating mechanism (84) are used for driving plugging plate (81) motion.

9. The self-extinguishing booth power distribution equipment of claim 8, wherein: the driving mechanism (84) comprises a straight rack (841) and a driving gear (842), the straight rack (841) is fixedly arranged on the side wall of the vertical supporting plate (82), the straight rack (841) is meshed with the driving gear (842), the driving gear (842) is fixedly sleeved outside the rotating rod (843), the rotating rod (843) is rotatably arranged on the inner bottom wall of the distribution box (1), the upper end of the rotating rod (843) is fixedly connected with a spiral rod (844), the spiral rod (844) is sleeved with an inner spiral tube (845) in a threaded manner, the inner spiral tube (845) is fixedly inserted on the magnet disc (846), an electromagnet (847) is arranged right above the magnet disc (846), the electromagnet (847) is fixedly arranged on the upper end of the spiral rod (844), the side wall of the magnet disc (846) is fixedly connected with a transverse supporting rod (848), and the transverse supporting rod (848) is movably inserted on a vertical supporting rod (849), the lower extreme fixed connection of vertical support rod (849) is on the interior diapire of block terminal (1), the upper end fixedly connected with anticreep piece (8411) of vertical support rod (849), and vertical support rod (849) outer winding is connected with second supporting spring (8410), and the both ends of second supporting spring (8410) are fixed connection respectively on the lateral wall of vertical support rod (849) and on the up end of horizontal bracing piece (848).

10. The self-extinguishing booth power distribution equipment of claim 9, wherein: the guide supporting component (83) comprises a guide supporting rod (831), a guide supporting cylinder (832) and a guide supporting spring (833), the guide supporting rod (831) is movably inserted in the guide supporting cylinder (832), the guide supporting spring (833) is wound and connected outside the guide supporting rod (831), and two ends of the guide supporting spring (833) are fixedly connected to the side wall of the guide supporting rod (831) and the outer side wall of the guide supporting cylinder (832) respectively.

Technical Field

The invention relates to the technical field of power distribution equipment, in particular to exhibition booth power distribution equipment capable of automatically extinguishing fire.

Background

With the rapid development of economy, various commodities need to be exhibited in the exhibition center, most of the merchants participating in the exhibition need to use electricity, and power supplies and the like are generally sent to each exhibition through an exhibition booth distribution box. Therefore, a problem is caused, namely, because exhibitors are more and need more powerful current sometimes, when the exhibition position distribution box works for a long time, components and circuits in the exhibition position distribution box generate heat, a fire disaster easily occurs in hot hours, and great economic loss and even casualties are caused for the exhibition center. In order to solve the problems, the invention provides exhibition booth power distribution equipment capable of automatically extinguishing fire.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, adapt to the practical needs and provide the exhibition booth power distribution equipment capable of automatically extinguishing the fire so as to solve the technical problems.

The utility model provides a but exhibition position distribution equipment of automatic fire extinguishing, includes block terminal and distribution box lid, is provided with components and parts in the block terminal, and the distribution box lid is used for the shutoff of block terminal, and block terminal and distribution box lid are connected through the fixed subassembly of a plurality of, and every fixed subassembly includes first fixed screw hole, second fixed screw hole and set screw, and first fixed screw hole is seted up on the block terminal, and the second fixed screw hole is seted up on the block terminal lid.

In one embodiment, the fixing screw is screwed in the first fixing threaded hole and the second fixing threaded hole.

In one embodiment, a dry powder fire extinguishing nozzle is arranged in the distribution box and used for extinguishing fire when the components are on fire.

In one embodiment, a control mechanism is provided within the electrical box.

In one embodiment, the control mechanism includes mercury tank and heat-conducting plate, the fixed setting of mercury tank is on the inside wall of block terminal, and be provided with mercury in the mercury tank, the heat-conducting plate is fixed to be pegged graft on the lateral wall of mercury tank, and the activity of mercury tank is provided with the removal piston, fixedly connected with movable support bar on the up end of removal piston, and the activity of movable support bar is pegged graft on the roof of mercury tank, the outer winding of movable support bar is connected with first supporting spring, and fixed connection is on the lateral wall of movable support bar and the outer roof of mercury tank respectively in the both ends of first supporting spring, the upper end fixedly connected with first electrode contact of movable support bar, and be provided with the second electrode contact directly over the first electrode contact, the lateral wall fixedly connected with fixed block of second electrode contact, and the fixed block is fixed to be set up on the inside wall of mercury tank.

In one embodiment, a heat dissipation through hole is formed in the distribution box and used for dissipating heat of the component when the component works.

In one embodiment, a plugging mechanism is arranged in the distribution box and used for plugging the heat dissipation through hole, so that external air is isolated from entering the distribution box.

In one embodiment, the plugging mechanism comprises a plugging plate, the plugging plate is arranged on the inner bottom wall of the distribution box in a sliding mode, a vertical bearing plate is fixedly connected to the side wall of the plugging plate, two first guide supporting assemblies are symmetrically and fixedly connected to the side wall of the vertical bearing plate, the free ends of the first guide supporting assemblies are fixedly connected to the inner side wall of the distribution box, a driving mechanism is arranged in the distribution box, and the driving mechanism is used for driving the plugging plate to move.

In one embodiment, the driving mechanism comprises a straight rack and a driving gear, the straight rack is fixedly arranged on the side wall of the vertical bearing plate, the straight rack is meshed with the driving gear, the driving gear is fixedly sleeved outside the rotating rod, the rotating rod is rotatably arranged on the inner bottom wall of the distribution box, the upper end of the rotating rod is fixedly connected with a spiral rod, the spiral rod is in threaded sleeve with an inner spiral pipe, the inner spiral pipe is fixedly inserted on a magnet disc, an electromagnet is arranged right above the magnet disc, the electromagnet is fixedly arranged on the upper end of the spiral rod, the side wall of the magnet disc is fixedly connected with a transverse supporting rod, a vertical supporting rod is movably inserted on the transverse supporting rod, the lower end of the vertical supporting rod is fixedly connected on the inner bottom wall of the distribution box, the upper end of the vertical supporting rod is fixedly connected with an anti-falling block, and a second supporting spring is wound outside the vertical supporting rod, two ends of the second supporting spring are respectively and fixedly connected to the side wall of the vertical supporting rod and the upper end face of the transverse supporting rod.

In one embodiment, the guide support assembly comprises a guide support rod, a guide support cylinder and a guide support spring, the guide support rod is movably inserted into the guide support cylinder, the guide support spring is wound outside the guide support rod, and two ends of the guide support spring are fixedly connected to the side wall of the guide support rod and the outer side wall of the guide support cylinder respectively.

According to the invention, the distribution box cover and the fixing component are additionally arranged on the distribution box, and the fixing component is used for mutually fixing the distribution box cover and the distribution box, so that the components in the distribution equipment at the exhibition position can be conveniently overhauled and maintained through convenient disassembly and assembly of the distribution equipment at the exhibition position.

According to the invention, the bottom plate of the distribution box is provided with the heat dissipation through holes, the heat dissipation effect in the distribution box can be realized through the arrangement of the heat dissipation through holes, and the heat dissipation through holes are arranged on the bottom plate of the distribution box in a suspended manner, so that dust or solid particles can be effectively prevented from entering the distribution box.

The dry powder fire extinguishing nozzle is additionally arranged and can be connected with an external pressure storage box, so that when a valve of the dry powder fire extinguishing nozzle is opened, dry powder can be driven to spray into the distribution box under the action of an external press machine, and the fire extinguishing effect is achieved.

The invention additionally provides a plugging mechanism which can be used for plugging the heat dissipation through hole, specifically, when a fire disaster occurs in the distribution box, the movement of the plugging mechanism can plug the heat dissipation through hole, so that outside air cannot enter the distribution box, and the fire extinguishing effect is realized by isolating oxygen.

The control mechanism is additionally arranged, the control mechanism can achieve the automatic fire extinguishing effect, particularly, when components in the distribution box catch fire, high temperature can be generated, the control mechanism can be controlled to move by the rising of the temperature, the control mechanism can control the series connection, particularly, when the temperature is high, the control mechanism can control the series connection circuit to be connected, the valve of the dry powder fire extinguishing nozzle to be opened is controlled, meanwhile, the plugging mechanism can be controlled to move, and the plugging of the heat dissipation through hole is completed.

The dry powder fire extinguishing nozzle is reasonable in structural design, the control mechanism can move under the action of high temperature, and the movement of the control mechanism can control the movement of the blocking mechanism and the opening of the dry powder fire extinguishing nozzle valve, so that the operation efficiency of equipment can be improved, and the operation difficulty of the equipment can be reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the self-extinguishing booth power distribution equipment of the present invention;

FIG. 2 is an enlarged view of the structure A in FIG. 1;

FIG. 3 is a partially enlarged view of FIG. 1;

FIG. 4 is an enlarged view of the structure B in FIG. 3;

FIG. 5 is a partially enlarged view of FIG. 3;

fig. 6 is an enlarged schematic view of the structure C in fig. 5.

The reference numbers are as follows:

distribution box 1, component 2, distribution box cover 3, fixing component 4, first fixed screw hole 41, second fixed screw hole 42, fixing screw 43, dry powder fire extinguishing nozzle 5, heat dissipation through hole 6, control mechanism 7, mercury tank 71, heat conduction plate 72, movable piston 73, movable support rod 74, first support spring 75, first electrode contact 76, second electrode contact 77, fixing block 78, blocking mechanism 8, blocking plate 81, vertical support plate 82, guide support component 83, guide support rod 831, guide support cylinder 832, guide support spring 833, drive mechanism 84, spur rack 841, drive gear 842, rotating rod 843, spiral rod 844, inner spiral tube 845, magnet disc 846, electromagnet 847, transverse support rod 848, vertical support rod 849, second support spring 8410, and anti-drop block 8411.

Detailed Description

The invention will be further illustrated with reference to the following figures 1-6 and examples:

the invention discloses exhibition position power distribution equipment capable of automatically extinguishing a fire, which comprises a distribution box 1 and a distribution box cover 3, wherein a component 2 is arranged in the distribution box 1, the distribution box cover 3 is used for plugging the distribution box 1, and the distribution box 1 and the distribution box cover 3 are connected through a plurality of fixed components 4.

In the embodiment, each fixing component 4 comprises a first fixing threaded hole 41, a second fixing threaded hole 42 and a fixing screw 43, the first fixing threaded hole 41 is formed in the distribution box 1, the second fixing threaded hole 42 is formed in the distribution box cover 3, and the fixing screw 43 is in threaded connection with the first fixing threaded hole 41 and the second fixing threaded hole 42.

In the embodiment, a dry powder fire extinguishing nozzle 5 is arranged in the distribution box 1, the dry powder fire extinguishing nozzle 5 is used for extinguishing fire when the component 2 catches fire, an electric valve is arranged on the dry powder fire extinguishing nozzle 5, and the dry powder fire extinguishing nozzle 5 is connected with an external pressure storage box.

In this embodiment, a control mechanism 7 is disposed in the distribution box 1, the control mechanism 7 includes a mercury box 71 and a heat conducting plate 72, the mercury box 71 is fixedly disposed on an inner sidewall of the distribution box 1, mercury is disposed in the mercury box 71, the heat conducting plate 72 is fixedly inserted in a sidewall of the mercury box 71, a movable piston 73 is movably disposed in the mercury box 71, a movable supporting rod 74 is fixedly connected to an upper end surface of the movable piston 73, the movable supporting rod 74 is movably inserted in a top plate of the mercury box 71, a first supporting spring 75 is wound around the movable supporting rod 74, two ends of the first supporting spring 75 are respectively fixedly connected to the sidewall of the movable supporting rod 74 and an outer top wall of the mercury box 71, a first electrode contact 76 is fixedly connected to an upper end of the movable supporting rod 74, a second electrode contact 77 is disposed right above the first electrode contact 76, a fixing block 78 is fixedly connected to a sidewall of the second electrode contact 77, and the fixed block 78 is fixedly arranged on the inner side wall of the mercury tank 71, the control mechanism 7 is additionally arranged, the control mechanism 7 can realize the function of automatic fire extinguishing, specifically, when the component 2 in the distribution box 1 catches fire, high temperature can be generated, the watermark volume can be increased due to the rise of temperature, so that the control mechanism 7 is controlled to move, the movement of the control mechanism 7 can play a role in controlling the series connection, specifically, when the temperature is high, the control mechanism 7 can control the series circuit to be switched on, so that the first electrode contact 76 is electrically contacted with the second electrode contact 77, the valve of the dry powder fire extinguishing nozzle 5 is controlled to be opened, and meanwhile, the movement of the blocking mechanism 8 can be controlled, and the blocking of the heat dissipation through hole 6 is completed.

In the embodiment, the heat dissipation through hole 6 is formed in the distribution box 1, the heat dissipation through hole 6 is used for dissipating heat of the component 2 when the component 2 works, the heat dissipation through hole 6 is formed in the bottom plate of the distribution box 1, the heat dissipation through hole 6 can achieve the effect of dissipating heat in the distribution box 1, and the heat dissipation through hole 6 is formed in the bottom plate of the distribution box 1 in a hanging mode, so that dust or solid particles can be effectively prevented from entering the distribution box 1.

In this embodiment, a plugging mechanism 8 is disposed in the distribution box 1, the plugging mechanism 8 is configured to plug the heat dissipation through hole 6, thereby isolating external air from entering the distribution box 1, the plugging mechanism 8 includes a plugging plate 81 and a vertical support plate 82, the plugging plate 81 is slidably disposed on an inner bottom wall of the distribution box 1, the vertical support plate 82 is fixedly connected to a side wall of the plugging plate 81, two first guiding support assemblies 83 are symmetrically and fixedly connected to a side wall of the vertical support plate 82, free ends of the first guiding support assemblies 83 are fixedly connected to an inner side wall of the distribution box 1, a driving mechanism 84 is disposed in the distribution box 1, the driving mechanism 84 is configured to drive the plugging plate 81 to move, the driving mechanism 84 includes a spur rack 841 and a driving gear 842, the spur rack 841 is fixedly disposed on a side wall of the vertical support plate 82, and the spur rack 841 is meshed with the driving gear 842, the driving gear 842 is fixedly sleeved outside the rotating rod 843, the rotating rod 843 is rotatably arranged on the inner bottom wall of the distribution box 1, the upper end of the rotating rod 843 is fixedly connected with a spiral rod 844, the spiral rod 844 is in threaded sleeve with an inner spiral tube 845, the inner spiral tube 845 is fixedly inserted on a magnet disc 846, an electromagnet 847 is arranged right above the magnet disc 846, the electromagnet 847 is fixedly arranged on the upper end of the spiral rod 844, the side wall of the magnet disc 846 is fixedly connected with a transverse supporting rod 848, a vertical supporting rod 849 is movably inserted on the transverse supporting rod 848, the lower end of the vertical supporting rod 849 is fixedly connected on the inner bottom wall of the distribution box 841, the upper end of the vertical supporting rod 849 is fixedly connected with an anti-falling block 8411, the vertical supporting rod 849 is externally wound with a second supporting spring 8410, two ends of the second supporting spring 8410 are respectively fixedly connected on the side wall of the vertical supporting rod 849 and the upper end face of the transverse supporting rod 848, according to the invention, the blocking mechanism 8 is additionally arranged, the blocking mechanism 8 can be used for blocking the heat dissipation through hole 6, and specifically, when a fire disaster occurs in the distribution box 1, the blocking mechanism 8 moves to block the heat dissipation through hole 6, so that external air cannot enter the distribution box 1, and the fire extinguishing effect is realized by isolating oxygen.

In this embodiment, the guiding support component 83 includes the guiding support pole 831, a guiding support barrel 832 and a guiding support spring 833, the activity of guiding support pole 831 is pegged graft in a guiding support barrel 832, the winding of guiding support spring 833 is connected outside the guiding support pole 831, and the both ends of guiding support spring 833 fixed connection respectively on the lateral wall of guiding support pole 831 and the lateral wall of a guiding support barrel 832, the guiding support component 83 both can play the effect that the direction was supported for the motion of shutoff board 81, simultaneously can provide power for the motion that resets of shutoff board 81 again.

The working principle of the invention comprises the following processes:

the temperature rise in the distribution box 1 enters the mercury tank 71 through the conduction of the heat conduction plate 72, mercury in the mercury tank 71 is heated, the movable support rod 74 is pushed to move upwards under the characteristic action of expansion and contraction of mercury, the upward movement of the movable support rod 74 drives the first electrode contact 76 to move towards the direction close to the second electrode contact 77, and after the first electrode contact 76 is contacted with the second electrode contact 77, the series circuit is connected.

At this time, the electromagnet 847 is powered on to generate magnetism, under the attraction of magnetic force, the magnet disc 846 is attracted to move upwards, and due to the fact that the inner spiral tube 845 is sleeved outside the spiral rod 844 in a threaded manner, the magnet disc 846 moves upwards, the spiral rod 844 is driven to rotate through the inner spiral tube 845, the spiral rod 844 rotates, the driving gear 842 is driven to rotate through the rotating rod 843, the driving gear 842 rotates, the plugging plate 81 is pushed to move leftwards through the straight rack 841 and the vertical supporting plate 82, the plugging plate 81 moves leftwards, plugging of the heat dissipation through hole 6 is completed, and therefore external air is prevented from entering the distribution box 1;

meanwhile, the electric valve of the dry powder fire extinguishing nozzle 5 is opened, and the dry powder fire extinguishing nozzle 5 can spray dry powder, so that the component 2 in the distribution box 1 is extinguished.

The invention has the beneficial effects that:

the structure of the existing exhibition position power distribution equipment is improved, and the improved exhibition position power distribution equipment can realize the function of automatically extinguishing fire when a fire disaster occurs in the exhibition position power distribution equipment in the actual use process, so that the fire in the exhibition position power distribution equipment is quickly eliminated, and the exhibition position power distribution equipment can be safer and more reliable in the use process.

According to the invention, the distribution box cover 3 and the fixing component 4 are additionally arranged on the distribution box 1, and the fixing component 4 is used for mutually fixing the distribution box cover 3 and the distribution box 1, so that the components 2 in the distribution equipment at the exhibition position can be conveniently overhauled and maintained through convenient disassembly and assembly of the distribution equipment at the exhibition position.

According to the invention, the bottom plate of the distribution box 1 is provided with the heat dissipation through hole 6, the heat dissipation through hole 6 can realize the effect of dissipating heat in the distribution box 1, and the heat dissipation through hole 6 is arranged on the bottom plate of the distribution box 1 in a suspended manner, so that dust or solid particles can be effectively prevented from entering the distribution box 1.

The dry powder fire extinguishing nozzle 5 is additionally arranged, and the dry powder fire extinguishing nozzle 5 can be connected with an external pressure storage box, so that when an electric valve of the dry powder fire extinguishing nozzle 5 is opened, dry powder can be driven to spray into the distribution box 1 under the action of an external press machine, and the fire extinguishing effect is achieved.

According to the invention, the blocking mechanism 8 is additionally arranged, the blocking mechanism 8 can be used for blocking the heat dissipation through hole 6, and specifically, when a fire disaster occurs in the distribution box 1, the blocking mechanism 8 moves to block the heat dissipation through hole 6, so that external air cannot enter the distribution box 1, and the fire extinguishing effect is realized by isolating oxygen.

According to the invention, the control mechanism 7 is additionally arranged, the control mechanism 7 can realize the automatic fire extinguishing effect, specifically, when the component 2 in the distribution box 1 is on fire, high temperature can be generated, the control mechanism 7 can be controlled to move by the rise of temperature, the control mechanism 7 can control the series connection by moving, specifically, when the temperature is high, the control mechanism 7 can control the series connection circuit to be connected, the valve of the dry powder fire extinguishing nozzle 5 is controlled to be opened, and meanwhile, the plugging mechanism 8 can be controlled to move, so that the plugging of the heat dissipation through hole 6 is completed.

The dry powder fire extinguishing nozzle is reasonable in structural design, the control mechanism 7 can move under the action of high temperature, and the movement of the control mechanism 7 can control the movement of the blocking mechanism 8 and the opening of the valve of the dry powder fire extinguishing nozzle 5, so that the operation efficiency of equipment can be improved, and the operation difficulty of the equipment can be reduced.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.