Fire extinguishing equipment use interlocking state memory fire extinguishing device

Abstract

A firefighting device with memory for interlocking firefighting equipment usage according to the present invention comprises a main body portion consisting of a fixed unit formed to be fixed to the ground and a rotating unit rotatably disposed on the upper part of the fixed unit. A plurality of firefighting equipment units are mounted on the rotating unit, and the plurality of firefighting equipment units are arranged to move together as the rotating unit rotates. Accordingly, a user can ensure accessibility and selectivity by rotating the rotating unit to select the necessary firefighting equipment unit among the plurality of firefighting equipment units at the installation location. The fixed unit includes a first main body formed in a cylindrical shape and a guide mounting groove formed by being recessed along the perimeter of the upper surface of the first main body. The rotating unit includes a second main body formed in a cylindrical shape, a rotating guide inserted into the guide mounting groove and rotatably coupled to the first main body, and a plurality of receiving portions provided along the circumferential direction on the upper surface of the second main body. Each receiving portion includes a fire extinguisher insertion hole formed by being recessed to allow a fire extinguishing equipment unit to be mounted, thereby enabling stable mounting and withdrawal of the fire extinguishing equipment unit. By this configuration, the present invention provides a device that allows a user to quickly select and use a fire extinguishing equipment unit through a rotatable main body structure while spatially arranging a plurality of fire extinguishing equipment units.

Description

Technology Field

[0001] The present invention relates to the field of firefighting equipment technology, and more specifically, to a firefighting device in which a plurality of firefighting devices are rotatably arranged, wherein the withdrawal, safety pin release, firefighting operation, and usage completion status of the firefighting devices are electrically and mechanically interlocked and controlled, and the firefighting device usage completion status is recognized and remembered at the time of re-installation. Background Technology

[0003] With the recent trend toward larger and more complex buildings, the importance of initial response in the event of a fire is being increasingly emphasized. Consequently, various fire extinguishing equipment, such as powder and carbon dioxide extinguishers, is being placed at regular intervals within buildings. Generally, fire extinguishing equipment is installed on wall-mounted stands, floor-mounted stands, or housed inside cabinets; however, structures are also being proposed that arrange multiple pieces of equipment circumferentially and rotatably to improve space efficiency and accessibility. Meanwhile, as building maintenance systems become more sophisticated, firefighting equipment is required to move beyond simple storage functions to include usage history management, status monitoring, malfunction prevention, and safety assurance. In particular, since fire extinguishing equipment must be used immediately in emergency situations, there is an industrial requirement that it be securely fixed during normal operation, function safely and reliably during use, and have a clearly identifiable status after use.

[0004] In conventional technology, mounting structures that simply support or store fire extinguishers are common; such structures perform only the function of physically securing the extinguisher and do not separately recognize whether it has been withdrawn or is in use. Some technologies have proposed structures equipped with contact switches or sensors to detect withdrawal, which output an alarm signal when the extinguisher is separated from the mounting stand. Additionally, structures connecting the extinguisher to the main body via a withdrawal rope or wire are known to prevent loss or to ensure use within a certain range. Meanwhile, while the extinguisher itself is generally equipped with a pressure gauge to check internal pressure, this is intended for visual inspection by the user and does not provide a function to automatically recognize or record the state of completion of use in conjunction with the mounting structure.

[0005] However, the aforementioned conventional technologies have limitations in that they fail to provide a structure for integrated control through the interconnection of the fire extinguisher's withdrawal status, safety pin release, withdrawal rope unwinding control, determination of completion of use, and recognition of the re-installation status. In particular, a physical interlocking structure that allows the safety pin to be withdrawn only when withdrawal conditions are met is not common, and a mechanical locking and unlocking structure that permits the release of a withdrawal rope only under specific conditions, even when such a rope is provided, has not been sufficiently presented. Furthermore, a structure that determines the state of completion of use by combining the decrease in internal pressure of the fire extinguisher with re-installation conditions, and stores this information at the facility level, is difficult to find in conventional technologies. Consequently, it is difficult to systematically manage the actual usage of fire extinguishing equipment, and there is a possibility that replacement or replenishment after use may be delayed or that management omissions may occur.

[0006] Therefore, there is an increasing technical demand for a firefighting device with a new structure that can manage the pre-, during, and post-use states of firefighting equipment in stages and store those states at the equipment level by interconnecting the withdrawal conditions, safety pin release conditions, winding drum unwinding control, judgment of completion of use, and status recognition upon reinstallation. Prior art literature

[0008] KR20100100343AKR101669940B1KR101059693B1KR102485177B1 The problem to be solved

[0009] The present invention has been devised to solve the problems of the conventional technology described above, and aims to provide a firefighting device with a memory of the firefighting equipment's usage interlocked state that goes beyond simple detection of mounting or withdrawal of the firefighting equipment, and manages the equipment's usage before, during, and after states in stages by interlocking withdrawal conditions, safety pin release conditions, control of the withdrawal rope's winding and unwinding, determination of the usage completion state, and recognition of the state upon re-mounting.

[0010] In addition, another objective of the present invention is to provide a structure that prevents abnormal withdrawal or malfunction by allowing the withdrawal of the safety pin only when the fire extinguishing equipment is properly coupled, and allowing the winding drum to rotate freely only when the withdrawal conditions are met.

[0011] In addition, the present invention aims to provide a structure that can clearly manage whether a fire extinguishing device is actually in use by combining changes in internal pressure of the fire extinguishing device and re-installation conditions to determine the state of completion of use, and inputting the result of such determination into a control unit so that it can be stored at the facility level. means of solving the problem

[0013] A firefighting device with a memory of the firefighting equipment usage interlocking state according to the present invention may include a main body portion composed of a fixed unit formed to be fixed to the ground and a rotating unit rotatably disposed on the upper part of the fixed unit, and a plurality of firefighting equipment units mounted on the rotating unit and moved together according to the rotation of the rotating unit. The fixed unit may include a first main body formed in a cylindrical shape and a guide mounting groove formed by being recessed along the perimeter of the upper surface of the first main body. The rotating unit may include a second main body formed in a cylindrical shape, a rotating guide inserted into the guide mounting groove and rotatably coupled to the first main body, and a plurality of receiving portions provided along the circumferential direction on the upper surface of the second main body. The receiving portions are characterized by including a fire extinguisher insertion hole formed by being recessed to mount the firefighting equipment unit.

[0014] Next, the first body of the fixed unit may have a portion formed in the center that is circularly recessed downward from the upper surface. A fixing bracket that is fastened to the ground may be attached to the lower part. The guide mounting groove of the fixed unit may have an opening that opens from the top and may include a flat groove bottom surface and mutually opposing inner and outer wall surfaces. The groove bottom surface may be formed smoothly so that the rotation guide is in close contact and makes sliding contact. The second body of the rotating unit may be formed hollow so that its interior corresponds in the axial direction to the recessed portion of the first body. The rotation guide of the rotating unit may include an annular protrusion that is fastened to the lower surface of the second body and inserted into the guide mounting groove. The annular protrusion may be positioned between the inner and outer wall surfaces to restrict the radial movement of the rotating unit. The bottom surface of the annular protrusion may be formed to make surface contact with the groove bottom surface so as to be positioned to allow sliding rotation. The fire extinguisher insertion hole of the receiving portion of the rotating unit may be formed by a downward recess from the upper surface of the second main body, and a support surface supporting the bottom surface of the fire extinguishing equipment unit may be formed at the bottom. The fire extinguishing equipment unit may include a fire extinguishing main body containing fire extinguisher powder, a magnetic sensing belt disposed on the outer circumference of the fire extinguishing main body, and a safety pin portion that restricts the operation of the fire extinguishing equipment unit. The fire extinguishing device with a fire extinguishing equipment usage interlock state memory may include a withdrawal unit disposed downward through the hollow of the second main body of the rotating unit and mounted in the downward recessed portion of the first main body of the fixed unit, and a control unit including a control processing unit that receives signals from a plurality of detection units and driving units and outputs a control signal. A drum rotation hole may be provided in the downward recessed portion in the center of the first main body of the fixed unit to allow the withdrawal unit to rotate.The above-described withdrawal unit may include a winding drum rotatably mounted in the drum rotation hole, a withdrawal rope wound around the winding drum and withdrawn, a cable disposed inside the withdrawal rope, and a cable that may be coupled to the end of the withdrawal rope. It may include a grip unit that is detachably attached to the magnetic sensing belt of the fire extinguishing equipment unit. The control unit may include a grip coupling detection unit that detects whether the grip unit coupled to the magnetic sensing belt is coupled. The control processing unit is characterized by being configured such that the withdrawal permission of the safety pin part is controlled only when it is determined by the grip coupling detection unit that the grip unit is coupled.

[0015] Next, a rotary drive plate that is rotatably supported may be disposed on the bottom surface of the drum rotation hole of the first main body of the fixed unit. The winding drum may be coupled to the rotary drive plate and configured to rotate together with the rotary drive plate. An elastic spring that provides a return force to return the rotary drive plate to the winding direction may be disposed in the drum rotation hole. The elastic spring may be formed such that one end is fixed to the bottom surface of the drum rotation hole and the other end is coupled to the rotary drive plate, so that when the rotary drive plate rotates in the unwinding direction as the pull-out rope is pulled out, an elastic force is accumulated, and when the pull-out force is released, the rotary drive plate is rotated in the winding direction. A stopper member disposed to be radially pull-out and retractable may be provided on the side of the drum rotation hole. An annular recessed band may be formed on the outer circumference of the fire extinguishing main body. A rib protruding along the circumferential direction may be provided on the recessed band. The stopper member may be positioned to limit the rotation angle of the winding drum by being inserted into the interior of the recessed band and contacting the rib. The control unit may include a stopper driving unit that moves the stopper member in and out in a radial direction, and a power supply unit configured to supply power to a plurality of detection units and driving units provided in the fire extinguishing equipment interlock state memory fire extinguishing device through the cable, connected to an external power source through the lower part of the first main body. The control processing unit controls whether to allow the withdrawal of the safety pin unit only when it is determined that the grip unit is coupled by the grip coupling detection unit, and simultaneously controls the stopper driving unit to move the stopper radially outward to retract it from the recessed band and release contact with the rib, thereby allowing the winding drum to rotate freely in the unwinding direction.

[0016] Next, the control unit may include a safety pin removal detection unit that detects whether the safety pin portion has been removed. The grip unit may include a magnetic sensing grip coupled to the magnetic sensing belt of the fire extinguishing equipment unit and may be formed at the end of the magnetic sensing grip. It may include a coupler housing having a magnetic body provided inside and may be disposed at the end of the pull-out rope. It may include an electromagnet configured to generate magnetic force according to applied power and to be magnetically coupled to the magnetic body inside the coupler housing. The pull-out rope of the pull-out unit may be extended to the winding drum with the electromagnet at its end. The cable may be disposed inside the pull-out rope and electrically connected to the electromagnet and the safety pin removal detection unit. The power supply unit may be configured to be connected to an external power source through the lower part of the first main body and to supply power to the electromagnet through the cable. The safety pin removal detection unit may be configured to transmit a signal to the control processing unit via the cable while the magnetic sensing grip is coupled to the magnetic sensing belt. The control processing unit is characterized by being configured to control the power supplied to the electromagnet to be cut off when it is determined by the safety pin removal detection unit that the safety pin has been removed, thereby releasing the magnetic force and separating the magnetic sensing grip and the withdrawal rope.

[0017] Next, the fire extinguishing equipment unit may include a pressure chamber communicating with the interior of the fire extinguishing body, an elastic membrane formed to seal the pressure chamber and displaced downward according to internal pressure, a pressure plate disposed below the elastic membrane, and a pogo pin embedded in the lower part of the fire extinguishing body so as to be movable in the vertical direction and elastically supported in the downward direction. The receiving portion of the rotating unit may include a pin connection portion provided on the lower surface of the fire extinguisher insertion hole to contact the pogo pin when the fire extinguishing equipment unit is mounted. The pogo pin may be formed as a contact pin having elastic force and may be positioned to contact the pin connection portion when protruding downward. When the internal pressure of the pressure chamber is greater than or equal to a set pressure, the pressure plate may press the pogo pin upward due to the displacement of the elastic membrane, thereby maintaining the pogo pin in a state embedded within the fire extinguishing body. When the internal pressure of the pressure chamber decreases below the set pressure, the pogo pin protrudes downward due to the elastic restoring force of the pogo pin, allowing the fire extinguishing equipment unit to come into contact with the pin connection part when re-mounted in the fire extinguisher insertion hole. When the pogo pin and the pin connection part are electrically connected, a fire extinguishing completion status signal is input to the control processing unit. Effects of the invention

[0019] According to the present invention, by controlling the withdrawal conditions of the fire extinguishing equipment and the safety pin withdrawal permission conditions in conjunction, the fire extinguishing equipment can be configured to allow the withdrawal of the safety pin only when it is in a normal coupled state. Accordingly, the possibility of abnormal withdrawal or malfunction can be structurally limited.

[0020] In addition, a stopper structure that limits the unwinding rotation of the winding drum of the withdrawal rope is provided, and the limit is configured to be released only when a predetermined condition is met, thereby preventing unintentional unwinding of the withdrawal rope. Through this, the usage process of the fire extinguishing equipment can be configured to be controlled in stages.

[0021] In addition, by configuring the device to detect whether the safety pin has been removed and accordingly cut off the power to the electromagnet to separate the grip unit and the pull-out rope, the mechanical connection with the pull-out rope can be released after the fire extinguishing equipment is put into use. As a result, interference caused by the rope can be minimized during the use of the fire extinguishing equipment.

[0022] In addition, by configuring the system to determine the state of completion of use by combining the reduction of internal pressure of the fire extinguishing equipment with the condition of reinstallation, the actual state after use can be recognized at the equipment level, rather than simply whether it has been withdrawn. In particular, by ensuring that a completion signal is input only when reinstallation occurs after a pressure reduction, the state of use and the state of completion of use can be managed separately.

[0023] Accordingly, according to the present invention, a structure can be implemented that controls the pre-, mid-, and post-use states of fire extinguishing equipment in stages and stores the completed use state at the equipment level. Brief explanation of the drawing

[0025] FIG. 1 is a block diagram of a firefighting device with a memory of the interlocking state of firefighting equipment usage according to the present invention. FIG. 2 conceptually illustrates a firefighting device with a memory of the interlocking state of firefighting equipment usage according to the present invention. Figure 3 conceptually shows the fixed unit of Figure 2. Figure 4 conceptually shows a rotating unit rotatably mounted on the fixed unit of Figure 2. Figure 5 conceptually shows a fire extinguishing equipment unit applied to the fire extinguishing equipment usage interlock state memory fire extinguishing device of Figure 2. Figures 6 (a) and (b) conceptually illustrate the process of separating the grip unit of Figure 2. Specific details for implementing the invention

[0026] Hereinafter, embodiments are described in detail with reference to the attached drawings. However, various modifications may be made to the embodiments, and thus the scope of the patent application is not limited or restricted by these embodiments. It should be understood that all modifications, equivalents, and substitutions to the embodiments are included within the scope of the rights.

[0027] Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only and may be modified and implemented in various forms. Accordingly, the embodiments are not limited to the specific disclosed forms, and the scope of this specification includes modifications, equivalents, or substitutions that fall within the technical concept.

[0028] Terms such as "first" or "second" may be used to describe various components, but these terms should be interpreted solely for the purpose of distinguishing one component from another. For example, the first component may be named the second component, and similarly, the second component may be named the first component.

[0029] When it is stated that a component is "connected" to another component, it should be understood that it may be directly connected to or coupled with that other component, or that there may be other components in between.

[0030] The terms used in the embodiments are for illustrative purposes only and should not be interpreted as intended to be limiting. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprising" or "having" are intended to indicate the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0031] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the embodiments pertain. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application.

[0032] In addition, when describing with reference to the attached drawings, identical components are assigned the same reference numeral regardless of drawing symbols, and redundant descriptions thereof are omitted. In describing the embodiments, if it is determined that a detailed description of related prior art could unnecessarily obscure the essence of the embodiments, such detailed description is omitted.

[0033] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined only by the scope of the claims.

[0034] In the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in the embodiments of the present invention.

[0035] The shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining embodiments of the present invention are exemplary, and therefore the present invention is not limited to the depicted details. Furthermore, in describing the present invention, if it is determined that a detailed description of related known technology may unnecessarily obscure the essence of the present invention, such detailed description is omitted. Where terms such as "includes," "has," or "is made up" are used in this specification, other parts may be added unless "only" is used. Where a component is expressed in the singular, it includes cases where it includes the plural unless specifically stated otherwise.

[0036] In interpreting the components, they are interpreted to include a margin of error even in the absence of a separate explicit statement.

[0037] In the case of describing a positional relationship, for example, when the positional relationship between two parts is described using expressions such as 'on,' 'upper,' 'lower,' or 'next to,' one or more other parts may be located between the two parts unless 'immediately' or 'directly' is used.

[0038] When elements or layers are referred to as "on" another element or layer, this includes cases where another layer or element is placed directly on top of or in between. Throughout the specification, the same reference numerals refer to the same components.

[0039] The size and thickness of each component shown in the drawings are illustrated for convenience of explanation, and the present invention is not necessarily limited to the size and thickness of the illustrated components.

[0040] The features of each of the various embodiments of the present invention may be combined or combined with one another, either partially or wholly, and as will be fully understood by those skilled in the art, various technical interlocking and operation are possible, and each embodiment may be implemented independently of one another or together in an interlocking relationship.

[0041] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

[0042] FIG. 1 is a block diagram of a firefighting device with a memory of the interlocking state of firefighting equipment usage according to the present invention.

[0043] FIG. 2 conceptually illustrates a firefighting device with a memory of the interlocking state of firefighting equipment usage according to the present invention.

[0044] Figure 3 conceptually shows the fixed unit of Figure 2.

[0045] Figure 4 conceptually shows a rotating unit rotatably mounted on the fixed unit of Figure 2.

[0046] Figure 5 conceptually shows a fire extinguishing equipment unit applied to the fire extinguishing equipment usage interlock state memory fire extinguishing device of Figure 2.

[0047] Figures 6 (a) and (b) conceptually illustrate the process of separating the grip unit of Figure 2.

[0049] In a firefighting device with a memory of the firefighting equipment usage interlocking state according to the present invention, the device may include a main body (100) composed of a fixed unit (200) formed to be fixed to the ground and a rotating unit (300) rotatably disposed on the upper part of the fixed unit (200), and a plurality of firefighting equipment units (400) mounted on the rotating unit (300) and moved together according to the rotation of the rotating unit (300).

[0050] The above fixed unit (200) may include a first main body (210) formed in a cylindrical shape and a guide mounting groove (220) formed by being recessed along the perimeter of the upper surface of the first main body (210).

[0051] The above-described rotating unit (300) may include a second main body (310) formed in a cylindrical shape, a rotating guide (320) inserted into the guide mounting groove (220) and rotatably coupled to the first main body (210), and a plurality of receiving portions (330) provided along the circumferential direction on the upper surface of the second main body (310).

[0052] The above receiving portion (330) is characterized by including a fire extinguisher insertion hole (331) formed by recessing so that the fire extinguishing equipment unit (400) is mounted.

[0054] Next, the first body (210) of the fixed unit (200) may have a portion formed in the center that is circularly downwardly recessed from the upper surface. A fixed bracket that is fastened to the ground may be attached to the lower part.

[0055] The guide mounting groove (220) of the above-mentioned fixed unit (200) has an opening that opens at the top and may include a flat groove bottom surface and an inner wall surface and an outer wall surface facing each other.

[0056] The bottom surface of the above-mentioned home can be formed smoothly so that the rotation guide (320) is in close contact and slides into contact.

[0057] The second body (310) of the above-mentioned rotating unit (300) may be formed hollow so that its interior corresponds in the axial direction to the downwardly recessed portion of the first body (210).

[0058] The rotation guide (320) of the rotation unit (300) may include an annular protrusion that is fastened to the lower surface of the second main body (310) and inserted into the guide mounting groove (220). The annular protrusion may be positioned between the inner wall surface and the outer wall surface to restrict the radial movement of the rotation unit (300). The bottom surface of the annular protrusion may be formed to make surface contact with the bottom surface of the groove so as to be positioned to allow sliding rotation.

[0059] The fire extinguisher insertion hole (331) of the receiving portion (330) of the above-mentioned rotating unit (300) is formed by being recessed downward from the upper surface of the second main body (310), and a supporting surface that supports the bottom surface of the fire extinguishing equipment unit (400) may be formed at the bottom.

[0060] The fire extinguishing equipment unit (400) may include a fire extinguishing body (410) containing fire extinguisher powder inside, a magnetic sensing belt (420) positioned on the outer circumference of the fire extinguishing body (410), and a safety pin portion (430) that limits the operation of the fire extinguishing equipment unit (400).

[0061] The firefighting device with memory of the firefighting equipment usage interlock state may include a control unit (600) comprising a withdrawal unit (500) that is positioned downward through the hollow of the second body (310) of the rotating unit (300) and mounted on the downwardly recessed portion of the first body (210) of the fixed unit (200), and a control unit (600) comprising a control processing unit (610) that receives signals from a plurality of detection units and driving units and outputs a control signal.

[0062] A downwardly recessed portion in the center of the first body (210) of the fixed unit (200) may be provided with a drum rotation hole (230) in which the extraction unit (500) is mounted so as to be rotatable.

[0063] The above-mentioned withdrawal unit (500) may include a winding drum (510) rotatably mounted in the drum rotation hole (230), a withdrawal rope (521) wound around the winding drum (510) and withdrawn, a cable (522) disposed inside the withdrawal rope (521), and a grip unit (530) that is attached to the end of the withdrawal rope (521).

[0064] The control unit (600) may include a grip coupling detection unit (620) that detects whether the grip unit (530) is coupled to the magnetic sensing belt (420).

[0065] The above control processing unit (610) is characterized by being configured to control whether the safety pin unit (430) is allowed to be withdrawn only when it is determined by the grip coupling detection unit (620) that the grip unit (530) is coupled.

[0066] A firefighting device with a memory of the firefighting equipment usage interlocking state according to one embodiment of the present invention comprises a main body (100) consisting of a fixed unit (200) fixedly installed on the ground and a rotating unit (300) rotatably arranged on the upper part of the fixed unit (200), wherein a plurality of firefighting equipment units (400) may be mounted arranged along the circumferential direction on the upper part of the rotating unit (300). The device may be implemented as an independent structure that is directly fixedly installed on an indoor floor surface and may be applied to places requiring multiple fire extinguishers, such as corridors, inside factories, and underground parking lots.

[0067] The fixed unit (200) may be formed as a first body (210) having a cylindrical shape that extends in the vertical direction. The first body (210) may be formed of a metal material, such as a steel plate or an aluminum alloy, to ensure rigidity, and may be manufactured as a hollow structure having a certain thickness to withstand external impacts. A fixing bracket that is fastened to the floor surface may be attached to the lower part of the first body (210), and the fixing bracket may be formed to be fixed to a concrete floor using anchor bolts. The fixing bracket may have a plate-shaped or cross-shaped support structure and may be connected to the bottom surface of the first body (210) by welding or bolting so that the load is distributed.

[0068] A circular downwardly recessed portion may be formed in the center of the upper surface of the first main body (210), and this recessed portion is formed to have sufficient depth so that a withdrawal unit (500) can be placed inside. The inner surface of this recessed portion is smoothly machined into a cylindrical shape and aligned to be coaxial with the drum rotation hole (230) formed inside.

[0069] A guide mounting groove (220) may be provided along the circumferential direction around the upper surface of the first main body (210). The guide mounting groove (220) is formed as an annular groove structure open at the top and includes a flat groove bottom surface and an inner wall surface and an outer wall surface facing each other. The inner wall surface is a surface facing the center of the first main body (210), and the outer wall surface is a surface facing the outer circumference. Since the rotation guide (320) of the rotation unit (300) comes into close contact with the groove bottom surface, it may be polished or a low-friction coating may be applied to minimize friction. If necessary, a synthetic resin liner or a bearing pad may be inserted.

[0070] The rotating unit (300) includes a second body (310), and the second body (310) may also be formed in a cylindrical shape extending in the vertical direction. The second body (310) is formed with a hollow internal structure and is positioned to correspond in the axial direction to the central downward recess of the first body (210) when assembled. That is, when the second body (310) is placed on the fixed unit (200), the internal space of the second body (310) forms a structure that communicates vertically with the central recess of the first body (210).

[0071] A rotation guide (320) is attached to the lower surface of the second main body (310). The rotation guide (320) may be composed of a ring-shaped member including an annular protrusion and may be fixed to the second main body (310) by bolt fastening or integral processing. The annular protrusion is inserted into the guide mounting groove (220) and positioned between the inner wall and the outer wall. Accordingly, the second main body (310) is maintained in a fixed position without radial movement, and the vertical load is supported by surface contact between the bottom surface of the groove and the bottom surface of the annular protrusion. The bottom surface of the annular protrusion is formed flat and is positioned to allow sliding rotation in close contact with the bottom surface of the groove. If necessary, grease may be applied or a low-friction pad may be applied. Due to this structure, the rotation unit (300) can be rotated smoothly manually and can be rotated in the direction desired by the user without separate power.

[0072] A plurality of receiving portions (330) are formed along the circumferential direction on the upper surface of the second main body (310). Each receiving portion (330) includes a fire extinguisher insertion hole (331), which is formed as a cylindrical space that is recessed downward from the upper surface of the second main body (310). The inner diameter of the fire extinguisher insertion hole (331) is formed to be slightly larger than the outer diameter of the fire extinguishing equipment unit (400) to be mounted, so that insertion and withdrawal are smooth. A support surface is formed at the bottom of the insertion hole to support the bottom surface of the fire extinguishing equipment unit (400), and this support surface is processed to be flat to stably support the weight of the fire extinguisher. If necessary, a rubber pad or a shock-absorbing pad may be attached to mitigate vibration or shock.

[0073] The fire extinguishing equipment unit (400) includes a fire extinguishing body (410) containing fire extinguisher powder inside. The fire extinguishing body (410) may be formed as a metal pressure vessel similar to a general powder fire extinguisher structure, and is equipped with a handle and a nozzle on the top. A magnetic sensing belt (420) may be placed on the outer circumference of the fire extinguishing body (410). This belt may be formed as a ring structure with a ferromagnetic body or magnetic material inserted therein and is fastened to be in close contact with the outer circumference of the fire extinguishing body (410). The belt may be secured by welding, bolt fastening, or a clamping method.

[0074] A safety pin portion (430) is provided on the upper part of the fire extinguisher body (410), which is a structure that prevents the operating lever of the fire extinguisher from being pressed unintentionally. The safety pin portion (430) can be formed with a conventional metal pin and a fixing ring structure, and in the present invention, whether or not withdrawal is allowed is determined according to the control of the control unit (600).

[0075] A drum rotation hole (230) is formed in the downward recess in the center of the first main body (210), and a withdrawal unit (500) is rotatably mounted therein. The withdrawal unit (500) includes a winding drum (510), and the winding drum (510) is formed in a cylindrical reel structure so that a withdrawal rope (521) is wound around its outer circumference. The winding drum (510) is supported so as to be rotatably centered on an axis and can be supported through a bearing inside the drum rotation hole (230).

[0076] The pull-out rope (521) may be formed of a synthetic fiber rope or a metal wire rope, and a cable (522) for transmitting electrical signals is inserted inside. The cable (522) is formed of a conductor with an insulating sheath and extends along the inside of the rope to be electrically connected to an external control unit (600).

[0077] A grip unit (530) is attached to the end of the pull-out rope (521). The grip unit (530) is formed to be detachably attached to the magnetic sensing belt (420) and can be implemented as a structure including a magnet or an electromagnet (533). Before using the fire extinguishing equipment unit (400), the user attaches the grip unit (530) to the magnetic sensing belt (420) to form a connected state.

[0078] The control unit (600) may be housed in an internal or external case of the first main body (210) and includes a control processing unit (610) that receives signals from a plurality of sensing units and driving units and outputs a control signal. The control processing unit (610) may be implemented as a microcontroller-based circuit and controls whether the safety pin unit (430) is allowed to be withdrawn according to a signal input from the grip coupling sensing unit (620). The grip coupling sensing unit (620) may be composed of a magnetic sensing sensor, a reed switch, or a Hall sensor and is positioned to output a detection signal only when the grip unit (530) is normally coupled to the magnetic sensing belt (420).

[0079] The control processing unit (610) can drive a physical unlocking means according to the detection signal. For example, a solenoid lock device can be placed near the safety pin unit (430) so that the solenoid operates only when grip coupling is confirmed, thereby enabling the safety pin to be withdrawn. When grip coupling is not confirmed, the safety pin unit (430) is mechanically fixed, and withdrawal is restricted.

[0080] Due to this structure, the fire extinguishing equipment goes beyond mere mounting and features a stepwise usage structure in which the safety pin is allowed to be withdrawn only when the condition of grip engagement is met. Therefore, the usage process of the fire extinguishing equipment proceeds according to a sequential procedure of preparation for withdrawal, verification of engagement, and release of the safety pin, and its status can be managed at the device level.

[0082] Next

[0083] A rotary drive plate (540) that is rotatably supported may be disposed on the bottom surface of the drum rotation hole (230) of the first main body (210) of the fixed unit (200).

[0084] The above winding drum (510) may be configured to be coupled to the rotary drive plate (540) and rotate together with the rotary drive plate (540).

[0085] An elastic spring may be disposed in the drum rotation hole (230) to provide a return force that returns the rotation drive plate (540) in the winding direction.

[0086] The above elastic spring may be formed such that one end is fixed to the bottom surface of the drum rotation hole (230) and the other end is connected to the rotation drive plate (540), so that when the rotation drive plate (540) rotates in the unwinding direction as the pull-out rope (521) is pulled out, an elastic force is accumulated, and when the pull-out force is released, the rotation drive plate (540) is rotated in the winding direction.

[0088] A stopper member (240) may be provided on the side of the drum rotation hole (230) so as to be radially retractable.

[0089] An annularly formed indentation (441) may be formed on the outer circumference of the above-mentioned fire extinguishing body (410).

[0090] The above-mentioned recess (441) may be provided with a rib (442) that protrudes along the circumferential direction.

[0091] The stopper member (240) can be positioned to limit the rotation angle of the winding drum (510) by being inserted into the recessed band (441) and contacting the rib (442).

[0092] The control unit (600) may include a stopper driving unit (630) that moves the stopper member (240) in and out in a radial direction, and a power supply unit (640) configured to supply power to a plurality of detection units and driving units provided in the fire extinguishing equipment usage interlock state memory fire extinguishing device through the cable (522) by connecting to an external power source through the lower part of the first main body (210).

[0093] The control processing unit (610) controls whether to allow the safety pin unit (430) to be withdrawn only when it is determined by the grip coupling detection unit (620) that the grip unit (530) is coupled, and at the same time controls the stopper driving unit (630) to move the stopper outwardly to retract it from the recessed band (441) and release contact with the rib (442), thereby allowing the winding drum (510) to rotate freely in the unwinding direction.

[0094] According to the present embodiment, a disc-shaped rotary drive plate (540) may be disposed on the bottom surface of the drum rotation hole (230) formed in the center of the first main body (210). The rotary drive plate (540) may be formed as a circular metal plate and has an axle coupling hole provided in the center to be coupled with the winding drum (510). The rotary drive plate (540) is disposed to be rotatable with respect to the bottom surface of the drum rotation hole (230), and for this purpose, a sliding bearing or a thin disc-shaped bearing member may be interposed between the bottom surface and the rotary drive plate (540). The rotary drive plate (540) is configured to rotate within a horizontal plane around an axis, and its outer diameter is set so as not to interfere with the inner circumference of the drum rotation hole (230).

[0095] The winding drum (510) is formed as a cylindrical reel structure, and its lower center is connected to the rotary drive plate (540). The connection method can be implemented as a key connection, a spline connection, or a bolt connection, and is configured so that when the rotary drive plate (540) rotates, the winding drum (510) rotates together at the same angle. Accordingly, when the user pulls the pull rope (521) and rotates it in the unwinding direction, the rotary drive plate (540) also rotates in the same direction along with the winding drum (510).

[0096] An elastic spring is positioned inside the drum rotation hole (230) to return the rotation drive plate (540) in the winding direction. The elastic spring may be composed of a standard coil spring or a torsion spring, with one end fixed to the bottom surface of the drum rotation hole (230) and the other end fixed to the rotation drive plate (540). The spring may be fixed using a pin fixing or a fastener. When a user pulls the pull rope (521) and the winding drum (510) rotates in the unwinding direction, the rotation drive plate (540) also rotates in the same direction, causing the spring to undergo torsional deformation and accumulate elastic energy. Subsequently, when the user releases the pull rope (521) or the pull force is removed, the accumulated elastic force acts to cause the rotation drive plate (540) to rotate in the winding direction, and accordingly, the winding drum (510) automatically winds and returns the pull rope (521). This structure prevents the pull rope (521) from sagging on the floor and maintains an automatic alignment state after use.

[0097] A stopper member (240) capable of moving in a radial direction is installed on the side of the drum rotation hole (230). The stopper member (240) may be formed in a pin shape having a cylindrical or rectangular cross-section and is positioned to move linearly along a guide hole. The stopper member (240) has a structure that allows it to be inserted from the outside to the inside of the drum rotation hole (230), and normally maintains a state of protruding inward. At this time, the tip of the stopper member (240) is inserted into the recessed band (441) formed on the outer circumference of the fire extinguisher body (410).

[0098] A recessed band (441) is provided on the outer circumference of the fire extinguishing body (410) and is formed in a circular, continuous manner, and is formed to be concave to a certain depth compared to the outer surface of the fire extinguishing body (410). A rib (442) is provided inside the recessed band (441) and protrudes along the circumferential direction. The rib (442) is formed in a protruding shape and is configured to make mechanical contact with the rib (442) when the stopper member (240) is inserted into the recessed band (441). In this state, when the winding drum (510) attempts to rotate, the rotation of the fire extinguishing body (410) linked to the drum is restricted, and consequently, the rotation angle of the winding drum (510) is restricted. That is, the stopper member (240) physically prevents the winding drum (510) from rotating in the unwinding direction beyond a certain angle through contact with the rib (442).

[0099] The stopper member (240) is moved in and out radially by a stopper drive unit (630) included in the control unit (600). The stopper drive unit (630) can be implemented as a solenoid actuator, a small linear motor, or an electric screw drive device, and moves the stopper member (240) outward or pushes it inward according to an electrical signal. Normally, the stopper member (240) is maintained in a state inserted inside the recessed band (441) to limit the unwinding rotation of the winding drum (510).

[0100] The control unit (600) includes a power supply unit (640) connected to an external power source through the lower part of the first main body (210). The power supply unit (640) may include a terminal unit connected to an external power line and an internal power conversion circuit, and supplies stable power to the control processing unit (610) and various sensing and driving units. A cable (522) placed inside the withdrawal rope (521) is connected to this power supply unit (640) and transmits power to the grip unit (530) and other components when necessary.

[0101] The control processing unit (610) receives a signal input from the grip coupling detection unit (620) and determines whether the grip unit (530) is properly coupled to the magnetic sensing belt (420). Only when grip coupling is confirmed, the control processing unit (610) allows physical unlocking of the safety pin unit (430) and simultaneously controls the stopper driving unit (630) to move the stopper member (240) outwardly. When the stopper member (240) moves outward, it is completely retracted from the recessed band (441) and contact with the rib (442) is released. At this time, the winding drum (510) can rotate freely in the unwinding direction, and the user can pull the pull rope (521) without restriction.

[0102] Conversely, if the grip connection is not confirmed, the stopper member (240) remains inserted inside the recessed band (441) to restrict the rotation of the winding drum (510), so that the pull-out rope (521) does not unravel beyond a certain range. With this structure, the use of the fire extinguishing equipment can only begin in earnest after the condition of confirming the grip connection is satisfied, and a step-by-step usage structure combining mechanical locking and electrical control is implemented.

[0105] Next, the control unit (600) may include a safety pin removal detection unit (650) that detects whether the safety pin part (430) has been removed.

[0106] The above grip unit (530) may be formed at the end of the magnetic sensing grip (531) which is coupled to the magnetic sensing belt (420) of the fire extinguishing equipment unit (400), and may include a coupler housing (532) having a magnetic body provided inside and may be disposed at the end of the pull-out rope (521). It may include an electromagnet (533) configured to generate magnetic force according to applied power and to be magnetically coupled to the magnetic body inside the coupler housing (532).

[0107] The pull-out rope (521) of the pull-out unit (500) can be extended to the winding drum (510) with the electromagnet (533) at its end.

[0108] The cable (522) can be placed inside the pull-out rope (521) and electrically connected to the electromagnet (533) and the safety pin removal detection unit (650).

[0109] The above power supply unit (640) may be configured to be connected to an external power source through the lower part of the first main body (210) and to supply power to the electromagnet (533) through the cable (522).

[0110] The safety pin removal detection unit (650) may be configured so that a signal is transmitted to the control processing unit (610) through the cable (522) while the magnetic sensing grip (531) is coupled to the magnetic sensing belt (420).

[0111] The above control processing unit (610) is characterized by being configured to cut off the power supplied to the electromagnet (533) when it is determined by the safety pin removal detection unit (650) that the safety pin unit (430) has been removed, thereby releasing the magnetic force and separating the magnetic sensing grip (531) and the withdrawal rope (521).

[0112] According to the present embodiment, the control unit (600) may include a safety pin removal detection unit (650) for detecting whether the safety pin portion (430) of the fire extinguishing equipment unit (400) has actually been removed. The safety pin removal detection unit (650) is positioned near the safety pin portion (430) on the upper part of the fire extinguishing body (410) and may be formed in a structure that changes its state depending on whether the safety pin is inserted. For example, the contact may be maintained when the safety pin portion (430) is inserted, and the contact may be opened or the magnetic position may change when the safety pin is withdrawn. To this end, a limit switch, a micro switch, a Hall sensor, or a reed switch may be applied and configured to convert the change in the physical position of the safety pin into an electrical signal.

[0113] The grip unit (530) includes a magnetic sensing grip (531) that is coupled to a magnetic sensing belt (420) installed on the outer circumference of the fire extinguishing equipment unit (400). The magnetic sensing grip (531) is formed so that a magnetic body or ferromagnetic material is exposed, allowing it to be stably fixed in position when in contact with the magnetic sensing belt (420). A coupler housing (532) is formed at the end of the grip, and the coupler housing (532) is formed in a cylindrical or box-shaped structure, with a magnetic body inserted inside. The magnetic body may be composed of an iron core or a steel block and is formed of a material that can be attracted by a magnetic field generated from the outside.

[0114] An electromagnet (533) is placed at the end of the pull-out rope (521). The electromagnet (533) is formed with a structure consisting of a coil and an iron core and is configured to generate magnetic force when power is applied through the cable (522). The electromagnet (533) is positioned to be in close contact with the magnetic body of the coupler housing (532), so that when power is applied, the two members are joined by a strong magnetic force. This joining can be designed to have a sufficient contact area to withstand the tensile force transmitted through the pull-out rope (521). The electromagnet (533) can be formed with a sealed structure that is waterproof and insulated to protect it from moisture or dust.

[0115] The pull-out rope (521) is formed as a composite structure containing a cable (522) inside. The rope has an outer sheath made of abrasion-resistant synthetic fiber, and a conductor cable (522) with an insulating sheath is inserted inside. The cable (522) is electrically connected to an electromagnet (533) and a safety pin removal detection unit (650), and extends to a control unit (600) inside the first main body (210). Since the cable (522) undergoes repeated bending during the pull-out and winding process, it is formed as a stranded wire structure to ensure flexibility.

[0116] The power supply unit (640) is connected to an external power source through the lower part of the first main body (210). The power supply unit (640) may include a power conversion circuit that converts the input voltage into a voltage suitable for the control circuit, and may include a constant voltage circuit for stable power supply. The power supplied from the power supply unit (640) is transmitted to the electromagnet (533) through the cable (522), and normally, current is maintained to flow through the electromagnet (533) so that the coupler housing (532) and the electromagnet (533) remain in a coupled state.

[0117] The safety pin removal detection unit (650) can be configured to transmit an effective signal to the control processing unit (610) only when the magnetic sensing grip (531) is coupled to the magnetic sensing belt (420). For example, the grip coupling detection unit (620) and the safety pin removal detection unit (650) can be configured as a series circuit so that the control processing unit (610) recognizes the signal only when both conditions are met simultaneously. Accordingly, the safety pin removal signal can be configured not to be transmitted when the grip is not coupled.

[0118] The control processing unit (610) analyzes the signal input from the safety pin removal detection unit (650) and controls the power supplied to the electromagnet (533) to be cut off when it is determined that the safety pin unit (430) has been removed. When the power is cut off, the magnetic force of the electromagnet (533) is extinguished, and the coupling force with the magnetic material inside the coupler housing (532) is released. Accordingly, the magnetic sensing grip (531) and the withdrawal rope (521) are separated, and the fire extinguishing equipment unit (400) is mechanically separated from the withdrawal rope (521).

[0119] The power cutoff time of the electromagnet (533) can be set immediately after the safety pin is removed, and it is also possible to configure it to be cut off after a certain time delay according to the setting of the control processing unit (610). With this structure, when the safety pin of the fire extinguishing equipment is removed and the actual usage phase is entered, the connection with the withdrawal rope (521) is automatically released so that interference by the rope does not occur during use. In addition, since the electromagnet (533) maintains its coupling force only when energized, an automatic separation structure can be implemented even in the event of a power outage or emergency situation.

[0120] As such, this embodiment integrates a safety pin removal detection, an electromagnet (533)-based coupling structure, and an automatic separation structure upon power cutoff, so that the mechanical connection state is automatically switched according to the usage stage of the fire extinguishing equipment.

[0123] Next, the fire extinguishing equipment unit (400) may include a pressure chamber communicating with the interior of the fire extinguishing body (410), an elastic membrane formed to seal the pressure chamber and displaced downward according to internal pressure, a pressure plate disposed on the lower side of the elastic membrane, and a pogo pin (450) embedded in the lower part of the fire extinguishing body (410) so as to be movable in the vertical direction and elastically supported in the downward direction.

[0124] The receiving portion (330) of the above-mentioned rotating unit (300) may include a pin connection portion (332) provided on the lower surface of the fire extinguisher insertion hole (331) so as to come into contact with the pogo pin (450) when the above-mentioned fire extinguishing equipment unit (400) is mounted.

[0125] The pogo pin (450) is formed as a contact pin having elasticity and can be positioned so as to be able to contact the pin connection part (332) when protruding downward.

[0126] When the internal pressure of the pressure chamber is greater than the set pressure, the pressure plate can press the pogo pin (450) upward by the displacement of the elastic membrane so that the pogo pin (450) remains embedded inside the fire extinguishing body (410).

[0127] When the internal pressure of the pressure chamber decreases below the set pressure, the pogo pin (450) protrudes downward due to the elastic restoring force, and when the fire extinguishing equipment unit (400) is re-mounted in the fire extinguisher insertion hole (331), it can be made to come into contact with the pin connection part (332).

[0128] It is characterized in that when the above pogo pin (450) and the above pin connection part (332) are electrically connected, a fire extinguishing completion state signal is input to the above control processing part (610).

[0129] The fire extinguishing equipment unit (400) according to the present embodiment includes a completion detection structure that operates mechanically according to the internal pressure state. The fire extinguishing equipment unit (400) may include a pressure chamber communicating with the interior of the fire extinguishing body (410), and the pressure chamber is formed so that the internal pressure of the fire extinguishing body (410) is transmitted as is. The pressure chamber may be formed as a separate chamber on the upper or side of the fire extinguishing body (410), and the interior is partitioned by a partition wall so that fire extinguishing powder is not directly introduced, while a passage is formed so that gas pressure is transmitted.

[0130] An elastic membrane is placed at the bottom of the pressure chamber. The elastic membrane may be formed of rubber or elastic synthetic resin material, and its edges are hermetically fixed to the inner wall of the pressure chamber. The elastic membrane is configured in the shape of a thin film so that it can be displaced downward or upward depending on the internal pressure. When the internal pressure of the fire extinguishing body (410) is within the normal range, the pressure acts as a force that pushes the elastic membrane downward.

[0131] A pressure plate is positioned on the lower side of the elastic membrane. The pressure plate is formed in a disc shape or a flat plate shape and moves together with the displacement of the elastic membrane. The pressure plate may be formed of a metal or reinforced plastic material having rigidity and is configured to contact the upper end of a pogo pin (450) positioned at the bottom.

[0132] A pogo pin (450) is embedded in the lower part of the fire extinguishing body (410) so as to be movable in the vertical direction. The pogo pin (450) is positioned so that a portion of it can be exposed through a small through-hole formed on the bottom surface of the fire extinguishing body (410) when viewed from the outside. The pogo pin (450) is formed as an elastic contact pin structure with a spring inserted inside and has an elastic restoring force that tends to protrude in the downward direction. The upper end of the pogo pin (450) is positioned to contact a pressure plate, and the lower end is configured to protrude outward. An insulating member may be inserted into the outer circumference of the pogo pin (450) to form it so as to be electrically insulated from the fire extinguishing body (410).

[0133] In a normal state where the internal pressure of the fire extinguishing body (410) is greater than the set pressure, the elastic membrane is displaced downward by the internal pressure of the pressure chamber. At this time, the pressure plate presses the upper end of the pogo pin (450) to push the pogo pin (450) upward. As a result, the pogo pin (450) remains embedded inside the fire extinguishing body (410) and does not protrude downward. Therefore, in this state, even if the fire extinguishing equipment unit (400) is mounted in the receiving portion (330) of the rotating unit (300), the pogo pin (450) does not come into contact with the pin connection portion (332) of the receiving portion (330).

[0134] A pin connection portion (332) is provided on the lower surface of the fire extinguisher insertion hole (331) in the receiving portion (330) of the rotating unit (300). The pin connection portion (332) may be formed as a conductive metal terminal and is configured to transmit a signal to the control processing portion (610) of the control unit (600) by connecting wiring. The pin connection portion (332) is positioned at the center of the insertion hole or at a predetermined location so as to be aligned with the pogo pin (450) when the fire extinguishing equipment unit (400) is inserted normally.

[0135] When the fire extinguishing equipment is actually used and the internal pressure decreases below the set pressure, the internal pressure of the pressure chamber also decreases. Accordingly, the elastic membrane is no longer pressed downward and returns to its original position, and the force of the pressure plate pressing the pogo pin (450) is removed. At this time, the pogo pin (450) protrudes downward due to the restoring force of its own elastic spring. The pogo pin (450) is in a state where it protrudes outward by a certain length through the lower part of the fire extinguishing body (410).

[0136] When the user reattaches the fire extinguishing equipment unit (400) to the fire extinguisher insertion hole (331), the lower end of the downwardly protruding pogo pin (450) comes into contact with the pin connection part (332) of the receiving part (330). The pogo pin (450) is formed of an electrically conductive material, and an electrical circuit is formed by contacting the pin connection part (332). This electrical connection is transmitted as an input signal to the control processing part (610) of the control unit (600).

[0137] The control processing unit (610) detects the electrical connection status of the pogo pin (450) and the pin connection unit (332) and determines that the fire is complete. An important point here is that when the internal pressure is in a normal state, the pogo pin (450) does not protrude, so an electrical connection is not formed even if it is reattached. Therefore, a completion signal is input only when both conditions of internal pressure reduction and reattachment are satisfied.

[0138] With this structure, the completion state can be configured to be recognized only when the internal pressure is reduced due to actual spraying, rather than simply whether the fire extinguishing equipment is withdrawn. Additionally, since the pogo pin (450) operates by a purely mechanical pressure change, the completion state can be determined structurally without a separate pressure sensor. This allows the completion of the fire extinguishing equipment's use to be reliably recognized and recorded at the facility level.

[0139] Meanwhile, the main body (100) is configured so that the rotating unit (300) can rotate smoothly from the top relative to the fixed unit (200) fixed to the floor, and the user can manually rotate the rotating unit (300) to adjust the position of the fire extinguisher insertion hole (331) in order to select one of the required fire extinguishing equipment units (400). This manual rotation is achieved by sliding contact with the bottom surface of the groove while the annular protrusion of the rotating guide (320) is fitted into the guide mounting groove (220) of the fixed unit (200), and radial shaking is suppressed by the annular protrusion positioned between the inner wall and the outer wall. Therefore, the user can select and prepare for the removal of fire extinguishing equipment like a “rotating stand” without any specialized knowledge.

[0140] The combination of the grip unit (530) and the magnetic sensing belt (420) serves as a key condition for the device to recognize that the usage phase of the fire extinguishing equipment unit (400) has transitioned to the “actual usage intention.” The magnetic sensing belt (420) is stably fixed to the outer circumference of the fire extinguishing body (410), and the magnetic sensing grip (531) is formed to engage with or adhere to the outer shape of the belt, so that it may have a guide structure (e.g., a hook, a guide groove, a flat contact surface, etc.) to allow for repeated connection at a specific connection location rather than simply being hung by hand. The grip connection detection unit (620) may be positioned so that detection is stably performed only at these connection locations, and may be implemented, for example, as a sensor that detects the approach of a magnetic material or as a contact structure where a circuit is connected at the connection location. This allows the operation logic to be formed in a way that prevents the safety pin from being pulled out or the pull rope (521) from being excessively unwound when the “grip is not properly connected.”

[0141] Allowing the withdrawal of the safety pin can be implemented in a broad sense that includes not only simple indications or logical signals but also physical unlocking. For example, a locking member may be positioned around the safety pin portion (430) to normally obstruct the movement of the handle or fixing ring of the safety pin, and the structure may be implemented such that the locking member retracts to enable the withdrawal of the safety pin only when grip coupling is confirmed. At this time, the retraction of the locking member can be implemented in various ways, such as a solenoid, a small motor, or a ratchet release lever, and in the embodiment, it can be described that the control processing unit (610) outputs a driving signal so that the locking member is released only when a signal from the grip coupling detection unit (620) is secured.

[0142] Since the automatic return function of the winding drum (510) directly contributes to organizing the pull-out rope (521) and preventing jamming accidents, it complements the relationship between the spring and the rotary drive plate (540) so that it can be understood from the user's perspective. When the user pulls the pull-out rope (521), the winding drum (510) and the rotary drive plate (540) rotate together in the unwinding direction, and during this process, elastic force is accumulated in the elastic spring. Subsequently, when the user releases the rope or the pull-out force decreases, the rotary drive plate (540) returns to the winding direction due to the accumulated return force, and the winding drum (510) winds the rope. At this time, to reduce the impact caused by the sudden rewinding of the rope, it is possible to add a friction pad, a cushioning pad, or a low-speed structure (e.g., a friction disc) to the rotation path of the rotary drive plate (540) or the winding drum (510), and such additional configuration is an embodiment that increases the reliability and safety of the device.

[0143] In order for the “rotation angle limitation of the winding drum (510)” by the stopper member (240) - recessed band (441) - rib (442) to be physically established, there must be a coupling relationship in which the rotation of the winding drum (510) is linked to the recessed band (441) / rib (442) of the fire extinguishing body (410). As a supplement to the embodiment for this, a coupling projection (or coupling ring, coupling pin) protruding upward is provided on the winding drum (510) or the rotational drive plate (540), and the coupling projection can be configured to be inserted into the recessed band (441) on the outer circumference of the fire extinguishing body (410) while the fire extinguishing equipment unit (400) is mounted in the fire extinguisher insertion hole (331). The connecting projection is positioned so that relative rotation is possible only within a certain angle range along the circumferential space of the recessed band (441), and the “rotation angle limit of the winding drum (510)” can be implemented in such a way that when the winding drum (510) rotates in the unwinding direction, the connecting projection attempts to move together within the recessed band (441) and reaches the rib (442), further rotation is restricted. That is, the stopper member (240) is inserted into the recessed band (441) and engages with the rib (442) to block the movement path of the connecting projection, thereby preventing the unwinding direction rotation of the winding drum (510) from exceeding a certain range. This structure can be naturally implemented so that the limiting function operates effectively only when the fire extinguishing equipment unit (400) is mounted, and it is also possible to implement a state where the winding drum (510) rotates without restriction (or is managed by a separate stop structure) when the fire extinguishing equipment unit (400) is not mounted.

[0144] The mechanical operation of the stopper drive unit (630) can also be supplemented so that it can be understood from the perspective of a non-specialist. The stopper member (240) moves in a straight line along a guide hole provided on the side of the drum rotation hole (230), and the stopper drive unit (630) pushes the stopper member (240) inward to create a lock or retracts it outward to release the lock according to an electrical signal. Normally, the stopper is caught on the rib (442) to restrict the winding drum (510) from unwinding excessively, and when grip coupling is confirmed, the stopper retracts to release contact with the rib (442), allowing the winding drum (510) to rotate freely in the unwinding direction. At this time, by configuring the "allowing safety pin withdrawal" and "stopper release" to be controlled simultaneously or continuously, the user is allowed to naturally enter the stage of withdrawing and using the fire extinguishing equipment only after the grip coupling is completed.

[0145] Since it is desirable to clearly define the timing of operation for the safety pin removal detection and the electromagnet (533) coupling / separation structure for ease of use in the field, embodiments that allow for delayed separation as well as immediate separation may be described together. For example, when safety pin removal is detected, the control processing unit (610) may immediately cut off the power to the electromagnet (533) to separate the rope and the grip, or the power may be cut off to separate the rope and grip when certain conditions are satisfied after the safety pin is removed (e.g., elapsed time, reduced tension of the withdrawal rope (521), user moving the fire extinguishing equipment more than a certain distance, etc.). It can be explained in the examples that these various embodiments can be selected to meet field safety requirements while sharing the same purpose of “preventing rope interference during use.” Additionally, it can be added that the coupling part of the electromagnet (533) and the coupler housing (532) may be covered with a waterproof / dustproof cover or an insulating coating in consideration of moisture and dust environments, and that the cable (522) preferably includes a flexible stranded wire structure and a protective tube to accommodate repeated bending.

[0146] Finally, the conditions for establishing the fire extinguishing completion status signal (pressure reduction + re-installation) can be summarized as a “safe verification procedure in which the completion signal is generated only by the combination of ‘the fact of fire extinguisher use’ and ‘return to original position’” so that even a non-specialist can intuitively understand it. That is, even if the pressure in the pressure chamber is reduced so that the pogo pin (450) can protrude downward, if the fire extinguishing equipment unit (400) is not re-installed into the fire extinguisher insertion hole (331), contact with the pin connection part (332) is not made, and thus the completion signal is not input. Conversely, if the internal pressure is normal even with only re-installation, the pressure plate presses the pogo pin (450) to maintain it in an internal state, so no electrical connection is formed. In this way, the completion signal is generated only when the fire extinguishing equipment, whose pressure has been lowered through actual use, is re-installed, and the pin connection part (332) is positioned to be aligned with the pogo pin (450) on the lower surface of the insertion hole so that stable contact is made even during repeated re-installation.

[0147] Although embodiments of the present invention have been described in more detail with reference to the attached drawings, the present invention is not necessarily limited to these embodiments and may be modified in various ways within the scope of the technical spirit of the present invention. Accordingly, the embodiments disclosed in the present invention are intended to explain, not limit, the technical spirit of the present invention, and the scope of the technical spirit of the present invention is not limited by these embodiments. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive. The scope of protection of the present invention shall be interpreted by the claims below, and all technical spirits within an equivalent scope shall be interpreted as being included within the scope of rights of the present invention.

[0148] Therefore, other implementations, other embodiments, and equivalents to the claims also fall within the scope of the claims set forth below. Explanation of the symbols

[0150] 100 : Main body 200 : Fixed unit 210 : First main body 220 : Guide mounting groove 230 : Drum rotation ball 240 : Stopper member 300 : Rotating unit 310 : Second main body 320 : Rotation guide 330 : Reception section 331 : Fire extinguisher insertion port 332 : Pin connector 400 : Firefighting Equipment Unit 410 : Fire extinguisher body 420 : Magnetic Sensing Belt 430 : Safety pin part 441 : Indentation 442 : Liv 450 : Pogopin 500 : Withdrawal unit 510 : Winding drum 521 : Withdrawal rope 522 : Cable 530: Grip Unit 531 : Magnetic Sensing Grip 532 : Coupler housing 533 : Electromagnet 540: Rotary drive plate 600: Control Unit 610: Control processing unit 620: Grip coupling sensor 630 : Stopper drive unit 640: Power supply 650 : Safety pin removal detection unit

Claims

Claim 1 delete Claim 2 A firefighting device for memory of interlocked firefighting equipment usage status comprises a main body portion composed of a fixed unit formed to be fixed to the ground and a rotating unit rotatably disposed on the upper part of the fixed unit, and a plurality of firefighting equipment units mounted on the rotating unit and moving together according to the rotation of the rotating unit, wherein the fixed unit comprises a first main body formed in a cylindrical shape and a guide mounting groove formed recessed along the perimeter of the upper surface of the first main body, and the rotating unit comprises a second main body formed in a cylindrical shape, a rotating guide inserted into the guide mounting groove and rotatably coupled to the first main body, and a plurality of receiving portions provided along the circumferential direction on the upper surface of the second main body, wherein the receiving portions include a fire extinguisher insertion hole formed recessed to mount the firefighting equipment unit, wherein the first main body of the fixed unit has a portion formed in the center that is circularly recessed downward from the upper surface, and a fixed bracket that is fastened to the ground is coupled to the lower part, and the guide mounting groove of the fixed unit has an opening that is opened from the top, and a flat groove bottom surface and mutually opposing inner wall surfaces and It includes an outer wall surface, and the bottom surface of the groove is formed smoothly so that the rotation guide is in close contact and slides into contact with it; the second body of the rotation unit is formed hollow so that its interior corresponds in the axial direction to the downwardly recessed portion of the first body, and the rotation guide of the rotation unit is fastened to the lower surface of the second body and includes an annular protrusion that is inserted into the guide mounting groove, and the annular protrusion is positioned between the inner wall surface and the outer wall surface to restrict the radial movement of the rotation unit, and the bottom surface of the annular protrusion is formed to make surface contact with the bottom surface of the groove so as to be slidably rotated, and the fire extinguisher insertion hole of the receiving portion of the rotation unit is formed downwardly recessed from the upper surface of the second body, and a support surface is formed at the bottom to support the bottom surface of the fire extinguishing equipment unit, and the fire extinguishing equipment unit comprises a fire extinguishing body in which fire extinguisher powder is contained, andThe fire extinguishing device includes a magnetic sensing belt disposed on the outer circumference of the fire extinguishing body, a safety pin portion provided on the upper part of the fire extinguishing body and limiting the operation of the fire extinguishing equipment unit, and a fire extinguishing device that stores the fire extinguishing equipment usage interlock state. The fire extinguishing device includes a pull-out unit disposed downward through the hollow of the second body of the rotating unit and mounted on a downwardly recessed portion of the first body of the fixed unit, and a control unit including a control processing unit that receives signals from a plurality of sensing units and driving units and outputs a control signal. A drum rotation hole is provided in the downwardly recessed portion in the center of the first body of the fixed unit so that the pull-out unit can rotate. The pull-out unit includes a winding drum mounted rotatably in the drum rotation hole, a pull-out rope wound around the winding drum and pulled out, a cable disposed inside the pull-out rope, and a grip unit coupled to the end of the pull-out rope and detachably attached to the magnetic sensing belt of the fire extinguishing equipment unit. The control unit determines whether the grip unit coupled to the magnetic sensing belt is coupled. A firefighting device for memory of interlocked firefighting equipment usage status, comprising a grip coupling detection unit that detects, wherein the control processing unit is configured to control whether the safety pin part is allowed to be withdrawn only when it is determined by the grip coupling detection unit that the grip unit is coupled. Claim 3 delete

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