Wall-mounted fire alarm controller
Through the double-layer structure and sealed wall-mounted fire alarm controller, the problems of insufficient seismic performance and low protection level in environments such as nuclear power plants are solved, and the stable and reliable operation of the equipment and high protection performance are achieved.
Patent Information
- Application Number
- CN202422411617.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The existing wall-mounted fire alarm controllers have insufficient seismic resistance in high-demand environments such as nuclear power plants and have low protection levels, so they cannot effectively defend against adverse factors such as humidity, dust and shock, resulting in the equipment being easily damaged and poses safety hazards.
The wall-mounted fire alarm controller with a double-layer structure design includes a box and a box door. The box door is a double-layer structure and the box door is a double-layer hollow structure. Combined with the sealing structure of the glass fixing frame and the U-shaped sealing ring, it improves seismic resistance and protection level to achieve IP65 protection performance.
It significantly improves earthquake resistance, impact resistance and compressive strength, ensures the equipment to operate stably and reliably in special environments, effectively isolate the impact of the external environment, and extends the equipment life.
Smart Images
Figure CN223180695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire alarm controllers, in particular to a wall-mounted fire alarm controller (for nuclear power). Background Art
[0002] The fire alarm controller is a core component of the automatic fire alarm system and has the following functions: 1) It receives fire signals and activates the fire alarm system. It also indicates the location of the fire and records relevant information. 2) It can activate fire alarm signals through the fire alarm transmitter or activate automatic fire extinguishing equipment and fire linkage control equipment through the automatic fire extinguishing control system. 3) It automatically monitors the correct operation of the system and provides audible and visual alarms for specific faults.
[0003] Fire alarm controllers come in a variety of structural forms to meet different installation requirements and usage scenarios. Wall-mounted fire alarm controllers are suitable for wall installation and take up less space. However, existing wall-mounted fire alarm controllers have the following technical issues when used in nuclear power plants and similar demanding environments:
[0004] Insufficient seismic resistance: Existing products have limited seismic resistance when facing external shocks such as earthquakes, which may cause the risk of equipment damage.
[0005] Low IP protection level: Most products have a low IP protection level and cannot effectively protect against adverse factors such as humidity, dust, and impact in special environments such as nuclear power plants, making the equipment vulnerable to damage.
[0006] In an environment like a nuclear power plant, where equipment stability and reliability are extremely demanding, these issues become critical factors for safe operation. Over long-term use, uncontrollable factors such as earthquakes, unexpected shocks, high humidity, and dust can affect performance, posing safety risks. Utility Model Content
[0007] In view of some of the shortcomings of the above-mentioned prior art, the present invention provides a wall-mounted fire alarm controller, which adopts a double-layer structure design to enhance the controller's earthquake resistance, impact resistance and compressive strength, and solve the problem of insufficient safety and reliability in the prior art.
[0008] To achieve the above-mentioned and other related purposes, the present invention provides a wall-mounted fire alarm controller, comprising:
[0009] The box body includes a box frame and an installation frame. The box frame is an integrally formed skin layer, and the installation frame is fixedly installed in the box frame;
[0010] The door is a double-layer hollow structure, with one side of the door connected to the box body in a corresponding rotation; and
[0011] An alarm control unit, and the alarm control unit is installed inside the box body.
[0012] As one embodiment of the present utility model, one side of the box frame corresponding to the box door is an open side, the edge of the open side is turned inwards to form a first baffle, the edge of the installation frame corresponding to the open side is turned inwards to form a second baffle, and when the installation frame is fixedly installed inside the box frame, the first baffle is blocked on the second baffle.
[0013] As one embodiment of the present utility model, the side of the installation frame opposite to its open side is the installation side, and at least three layers of equipment installation plates are arranged in sequence along its longitudinal direction on the installation side, and installation studs are provided on the equipment installation plates for installing the alarm control unit.
[0014] As one embodiment of the present utility model, the second baffle of the installation frame extends towards the inside of the installation frame and is bent to form an installation step, and a baffle is cooperatively provided on the installation step for pressing and fixing the panel of the alarm control unit.
[0015] As one embodiment of the present utility model, an observation window is opened in the middle of the box door and a window glass is cooperatively installed, and the box door and the window glass are sealed through a first sealing structure, and the box door and the box frame are sealed through a second sealing structure.
[0016] As one embodiment of the present utility model, the box door is an integrally formed double-layer structure, and the side close to the box body is the inner layer and the other side is the outer layer, and the edge of the window glass is clamped between the inner layer and the outer layer through the first sealing structure.
[0017] As one embodiment of the present utility model, the first sealing structure includes a glass fixing frame and a U-shaped sealing ring, the U-shaped sealing ring wraps the outer edge of the window glass, and is tightly pressed and attached to the outer layer through the glass fixing frame.
[0018] As one embodiment of the present utility model, the outer layer of the box door extends out of the inner layer towards the observation window; the glass fixing frame is a bent plate, one bent side plate of the glass fixing frame is fixedly connected to the inner layer of the box door, and the other bent side of the glass fixing frame is pressed on one side of the U-shaped sealing ring, so that the other side of the U-shaped sealing ring is closely attached to the extension part of the outer layer.
[0019] As one embodiment of the present utility model, an installation groove is recessed near the outer edge of the inner layer of the box door, and a sealing ring is cooperatively provided in the installation groove; the first baffle of the box frame extends towards the direction away from the box frame to form a door frame; when the box door is closed, the door frame abuts against the sealing ring to form a second sealing structure.
[0020] ]>As one embodiment of the present utility model, a pair of fixing frames are provided on the side of the box frame away from the box door, and each fixing frame is arranged along the longitudinal direction of the box frame and is fixedly connected to the box frame correspondingly.
[0021] The utility model has at least the following beneficial technical effects:
[0022] (1) Improving seismic performance: The box door is a double-layer hollow structure. The box door can be made of 2mm steel plate, which improves the stiffness of the box door. The box body is also a double-layer structure, that is, it includes a box frame and an installation frame. The box frame is a one-piece formed skin layer. The whole box body adopts the structure form of installation frame + skin. The installation frame can be welded and fixed inside the box frame, so that the box body remains intact and ensures the overall strength of the box body. Therefore, the seismic resistance, impact resistance and compressive strength are comprehensively improved, ensuring the stable and reliable realization of the fire alarm function in special environments, being able to more effectively resist external impacts and improve the seismic performance.
[0023] (2) Improving the protection level: The first sealing structure realizes the sealing between the box door and the window glass. The first sealing structure includes a glass fixing frame and a U-shaped sealing ring. The U-shaped sealing ring wraps the outer edge of the window glass. The U-shaped sealing ring is firmly pressed by the glass fixing frame. Fixed bolts are evenly arranged around the glass fixing frame to prevent gaps caused by uneven stress.
[0024] The second sealing structure realizes the sealing between the box door and the box frame. The second sealing structure includes a sealing ring and a door frame. A sealing ring is fitted in the installation groove of the box door; when the box door is closed, the door frame abuts against the sealing ring to form the second sealing structure. The part of the box body in contact with the sealing ring adopts a flanging design, that is, the door frame, to ensure full contact between the box body and the sealing ring. The first sealing structure and the second sealing structure enable the controller structure of the utility model to reach the IP65 protection performance. A higher IP protection level is considered in the design structure, effectively isolating the influence of external environments such as humidity and dust on the equipment and improving the protection performance. Description of the Drawings
[0025] Figure 1 is a three-dimensional schematic diagram of a wall-mounted fire alarm controller in an embodiment of the utility model;
[0026] Figure 2 is a structural diagram of the box body in an embodiment of the utility model;
[0027] Figure 3 is a structural diagram of the box frame in an embodiment of the utility model;
[0028] Figure 4 is a structural diagram of the installation frame in an embodiment of the utility model;
[0029] Figure 5 is a structural diagram of the box door in an embodiment of the utility model.
[0030] Figure 6 is a transverse sectional view of the box door in an embodiment of the utility model;
[0031] Figure 7 is Figure 6 a partial enlarged view of part A of
[0032] Figure 8 a horizontal cross-sectional view of a wall-mounted fire alarm controller in an embodiment of the present utility model;
[0033] Figure 9 is Figure 8 a partial enlarged view of part B of
[0034] Explanation of component symbols:
[0035] door 1 of the box, window glass 11, inner layer 12, installation groove 121, outer layer 13, extension part 131, box body 2, box frame 21, first edge 211, installation frame 22, second edge 221, equipment installation plate 222, installation step 223, baffle 224, lock 3, lock hole 31, first sealing structure 41, glass fixing bracket 411, U-shaped sealing ring 412, second sealing structure 42, door frame 422, sealing ring 421, fixing bracket 5. Specific embodiments
[0036] The following uses specific specific examples to illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other. It should also be understood that the terms used in the embodiments of the present utility model are for the purpose of describing specific specific implementation manners, rather than for limiting the protection scope of the present utility model. The test methods without specific conditions noted in the following embodiments are usually carried out under conventional conditions or according to the conditions recommended by each manufacturer.
[0037] Please refer to Figures 1 to 9It should be noted that the structures, proportions, sizes, etc. shown in the attached drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the efficacy that the present utility model can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of clear narration, and are not used to limit the scope for the implementation of the present utility model. The change or adjustment of their relative relationship, without substantial change in the technical content, should also be regarded as the scope for the implementation of the present utility model.
[0038] When the embodiments give a numerical range, it should be understood that unless otherwise specified in the present utility model, both endpoints of each numerical range and any value between the two endpoints can be selected. Unless otherwise defined, all technical and scientific terms used in the present utility model, based on the understanding of the prior art by those skilled in the art in this technical field and the description of the present utility model, can also use any methods, devices and materials of the prior art similar or equivalent to the methods, devices and materials in the embodiments of the present utility model to implement the present utility model.
[0039] Please refer to Figures 1 to 4 To achieve the above and other related purposes, a wall-mounted fire alarm controller provided by the present utility model includes a door 1 and a box body 2. One side of the door 1 is rotatably connected to the corresponding part of the box body 2. The door 1 is of a double-layer hollow structure. The box body 2 includes a box frame 21 and an installation frame 22. The box frame 21 is an integrally formed skin layer, and the installation frame 22 is fixedly installed in the box frame 21; the alarm control unit is installed in the box body 2. It should be noted that a locking member 3 is installed on the other side of the door 1, and the locking member 3 cooperates with the lock hole 31 on the box body 2. The material of the skin layer is a material with a certain strength such as steel, iron, aluminum, etc., and has good electrical conductivity, thermal conductivity and plasticity.
[0040] For the wall-mounted fire alarm controller of the present utility model, the door 1 is of a double-layer hollow structure. The door 1 can adopt a 2mm steel plate, which improves the stiffness of the door 1. The box body 2 is also of a double-layer structure, that is, it includes a box frame 21 and an installation frame 22. The box frame 21 is an integrally formed skin layer. The box body 2 as a whole adopts the structural form of installation frame + skin. The installation frame 22 can be welded and fixed in the box frame 21, so that the box body 2 remains intact and ensures the overall strength of the box body 2. Therefore, the seismic resistance, impact resistance and compressive strength are comprehensively improved, ensuring the stable and reliable implementation of the fire alarm function in a special environment.
[0041] Please refer to Figures 1 to 4, as one embodiment of the present utility model, one side of the box frame 21 corresponding to the box door 1 is an open side, and the edge of the open side is turned inwards to form a first baffle 211. The edge of the mounting frame 22 corresponding to the open side is turned inwards to form a second baffle 221. When the mounting frame 22 is fixedly installed in the box frame 21, the first baffle 211 is blocked on the second baffle 221.
[0042] As one embodiment of the present utility model, the side of the mounting frame 22 opposite to its open side is the mounting side. At least three layers of equipment mounting plates 222 arranged in sequence along its longitudinal direction are provided on the mounting side. Mounting studs are provided on the equipment mounting plates 222 for mounting an alarm control unit. The second baffle 221 of the mounting frame 22 extends towards the inside of the mounting frame 22 and is bent to form a mounting step 223. A baffle 224 is cooperatively provided on the mounting step 223 for pressing and fixing the panel of the alarm control unit.
[0043] As one embodiment of the present utility model, an observation window is opened in the middle of the box door 1, and a window glass 11 is cooperatively installed. The box door 1 and the window glass 11 are sealed by a first sealing structure 41, and the box door 1 and the box frame 21 are sealed by a second sealing structure 42.
[0044] Please refer to Figures 5 to 7 , as one embodiment of the present utility model, the box door 1 is an integrally formed double-layer structure, and the side close to the box body 2 is the inner layer 12 and the other side is the outer layer 13. The edge of the window glass 11 is clamped between the inner layer 12 and the outer layer 13 by the first sealing structure 41. The first sealing structure 41 includes a glass fixing frame 411 and a U-shaped sealing ring 412. The U-shaped sealing ring 412 wraps the outer edge of the window glass 11 and is tightly pressed and attached to the outer layer 13 through the glass fixing frame 411. The outer layer 13 of the box door 1 extends out of the inner layer 12 towards the observation window; the glass fixing frame 411 is a bent plate. One bent side plate of the glass fixing frame 411 is fixedly connected to the inner layer 12 of the box door 1, and the other bent side of the glass fixing frame 411 is pressed on one side of the U-shaped sealing ring 412, so that the other side of the U-shaped sealing ring 412 is closely attached to the extension part 131 of the outer layer 13. The U-shaped sealing ring 412 is firmly pressed by the glass fixing frame 411, and fixing bolts are evenly arranged around the glass fixing frame 411 to prevent voids caused by uneven stress.
[0045] Please refer to Figures 8 to 9 , as one embodiment of the present utility model, an installation groove 121 is recessed near the outer edge of the inner layer 12 of the box door 1, and a sealing ring 421 is cooperatively provided in the installation groove 121; the first baffle 211 of the box frame 21 extends away from the box frame 21 to form a door frame 422; when the box door 1 is closed, the door frame 422 abuts against the sealing ring 421 to form the second sealing structure 42. The part of the box body 2 in contact with the sealing ring 421 adopts a flanging design, that is, the door frame 422, to ensure full contact between the box body 2 and the sealing ring 421.
[0046] As one embodiment of the present utility model, a pair of fixing brackets 5 are provided on the side of the box frame 21 away from the box door 1. Each fixing bracket 5 is arranged longitudinally along the box frame 21 and is fixedly connected to the box frame 21 correspondingly.
[0047] The above-mentioned first sealing structure 41 realizes the sealing between the box door 1 and the window glass 11, and the second sealing structure 42 realizes the sealing between the box door 1 and the box frame 21, so that the controller structure of the present utility model reaches the IP65 protection performance.
[0048] It should be noted that the IP protection level is a standard formulated by the International Electrotechnical Commission (IEC) and is used to describe the protection ability of electrical equipment against the intrusion of foreign objects and moisture. The IP level consists of two digits. The first digit (ranging from 0 to 6) represents the protection ability against solid objects, where 6 represents complete dust protection. The second digit (ranging from 0 to 9) represents the protection ability against water, where 9 represents the ability to withstand high-pressure water jets. When working in a harsh environment, increasing the IP level can reduce equipment failures and extend service life. Equipment with a high protection level can work reliably in various environments, including industrial, outdoor, marine, etc. Enterprises can enhance customer trust by providing products with a high IP level, demonstrating their emphasis on product quality and durability. In short, improving the IP protection level through sealing treatment is an effective design and engineering measure aimed at enhancing the adaptability and reliability of equipment under different environmental conditions.
[0049] In summary, a wall-mounted fire alarm controller of the present utility model achieves the following technical effects:
[0050] (3) Improve seismic performance: The box door 1 is a double-layer hollow structure. The box door 1 can adopt a 2mm steel plate, which improves the stiffness of the box door 1. The box body 2 is also a double-layer structure, that is, it includes a box frame 21 and a mounting frame 22. The box frame 21 is an integrally formed skin layer. The box body 2 as a whole adopts the structure form of a mounting frame + skin. The mounting frame 22 can be welded and fixed inside the box frame 21, so that the box body 2 remains intact and ensures the overall strength of the box body 2. Therefore, the seismic, impact and compressive strengths are comprehensively improved, ensuring the stable and reliable realization of the fire alarm function in a special environment, being able to more effectively resist external impacts and improve the seismic performance.
[0051] (4) Improve the protection level: The first sealing structure 41 realizes the sealing between the box door 1 and the window glass 11. The first sealing structure 41 includes a glass fixing bracket 411 and a U-shaped sealing ring 412. The U-shaped sealing ring 412 wraps the outer edge of the window glass 11. The U-shaped sealing ring 412 is pressed firmly through the glass fixing bracket 411. Fixing bolts are evenly arranged around the glass fixing bracket 411 to prevent gaps caused by uneven stress.
[0052] The second sealing structure 42 realizes the sealing between the cabinet door 1 and the cabinet frame 21. The second sealing structure 42 includes a sealing ring 421 and a door frame 422. The sealing ring 421 is fitted in the installation groove 121 of the cabinet door 1. When the cabinet door 1 is closed, the door frame 422 abuts against the sealing ring 421 to form the second sealing structure 42. The part of the cabinet body 2 in contact with the sealing ring 421 adopts a turning design, namely the door frame 422, to ensure full contact between the cabinet body 2 and the sealing ring 421. The first sealing structure 41 and the second sealing structure 42 enable the controller structure of the present utility model to achieve an IP65 protection performance.
[0053] In the design structure, a higher IP protection level is considered, effectively isolating the influence of external environments such as humidity and dust on the equipment and improving the protection performance.
Claims
1. A wall-mounted fire alarm controller, characterized in that, Comprising: A box body (2), the box body (2) includes a box frame (21) and a mounting frame (22), the box frame (21) is an integrally formed skin layer, and the mounting frame (22) is fixedly installed in the box frame (21); A box door (1), the box door (1) is a double-layer hollow structure, and one side of the box door (1) is rotatably connected to the corresponding box body (2); and An alarm control unit, the alarm control unit is installed in the box body (2).
2. The wall-mounted fire alarm controller according to claim 1, characterized in that One side of the box frame (21) corresponding to the box door (1) is an open side, the edge of the open side is turned inward to form a first baffle (211), and the edge of the mounting frame (22) corresponding to the open side is turned inward to form a second baffle (221). When the mounting frame (22) is fixedly installed in the box frame (21), the first baffle (211) is blocked on the second baffle (221).
3. The wall-mounted fire alarm controller according to claim 2, characterized in that, The side of the mounting frame (22) opposite to its open side is the mounting side, and at least three layers of equipment mounting plates (222) are arranged in sequence along its longitudinal direction on the mounting side. Mounting studs are provided on the equipment mounting plates (222) for mounting the alarm control unit.
4. The wall-mounted fire alarm controller according to claim 3, characterized in that, The second baffle (221) of the mounting frame (22) extends into the interior of the mounting frame (22) and is bent to form a mounting step (223). A baffle (224) is cooperatively provided on the mounting step (223) for pressing and fixing the panel of the alarm control unit.
5. The wall-mounted fire alarm controller according to claim 2 or 4, characterized in that, An observation window is opened in the middle of the box door (1), and a window glass (11) is cooperatively installed. The box door (1) and the window glass (11) are sealed by a first sealing structure (41), and the box door (1) and the box frame (21) are sealed by a second sealing structure (42).
6. The wall-mounted fire alarm controller according to claim 5, wherein, The box door (1) is an integrally formed double-layer structure, and the side close to the box body (2) is the inner layer (12), and the other side is the outer layer (13). The edge of the window glass (11) is clamped between the inner layer (12) and the outer layer (13) through the first sealing structure (41).
7. The wall-mounted fire alarm controller according to claim 6, characterized in that, The first sealing structure (41) includes a glass fixing frame (411) and a U-shaped sealing ring (412). The U-shaped sealing ring (412) wraps the outer edge of the window glass (11) and is tightly pressed and attached to the outer layer (13) through the glass fixing frame (411).
8. The wall-mounted fire alarm controller according to claim 7, wherein The outer layer (13) of the box door (1) extends out of the inner layer (12) towards the observation window; the glass fixing frame (411) is a bent plate, one bent side plate of the glass fixing frame (411) is fixedly connected to the inner layer (12) of the box door (1), and the other bent side of the glass fixing frame (411) is pressed on one side of the U-shaped sealing ring (412), so that the other side of the U-shaped sealing ring (412) closely adheres to the extension part (131) of the outer layer (13).
9. The wall-mounted fire alarm controller according to claim 8, wherein, An installation groove (121) is recessed near the outer edge of the inner layer (12) of the box door (1), and a sealing ring (421) is fitted in the installation groove (121); a first edge (211) of the box frame (21) extends away from the box frame (21) to form a door frame (422); when the box door (1) is closed, the door frame (422) abuts against the sealing ring (421) to form the second sealing structure (42).
10. The wall-mounted fire alarm controller according to claim 1 or 9, characterized in that, A pair of fixing brackets (5) are provided on a side of the box frame (21) away from the box door (1), and each fixing bracket (5) is arranged longitudinally along the box frame (21) and fixedly connected to the box frame (21) correspondingly.