CN112040718A - Glue-pouring waterproof fire detector terminal box - Google Patents
Glue-pouring waterproof fire detector terminal box Download PDFInfo
- Publication number
- CN112040718A CN112040718A CN202010739069.1A CN202010739069A CN112040718A CN 112040718 A CN112040718 A CN 112040718A CN 202010739069 A CN202010739069 A CN 202010739069A CN 112040718 A CN112040718 A CN 112040718A
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- plate
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- glue
- frame plate
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
Abstract
The invention discloses a glue-pouring waterproof fire detector terminal box, and relates to the technical field of fire sensing detection. In the invention: a plurality of heat conducting copper rods are arranged on the first middle base frame plate; the outer end side of each heat-conducting copper rod is connected with a heat-absorbing copper sheet plate, the inner ends of a plurality of heat-conducting copper rods are fixedly connected to an inner-side heat-conducting copper plate, one side of the inner-side heat-conducting copper plate is attached with a fixed heat-conducting resin block, and one side of the fixed heat-conducting resin block is provided with a fixed heat-absorbing copper sheet plate; one end of the fixed heat absorption copper sheet plate is connected with the PCB main board through an electric lead; the other end of the fixed heat absorption copper sheet plate is provided with a thermal deformation conductor sheet; the inner mounting substrate is provided with an electrically conductive fixed metal plate electrically connected with the PCB main board; the matching and connecting position of the first middle side base frame plate and the second side frame plate comprises a glue pouring sealing part. The invention improves the accuracy of the fire sensing device for fire detection and also improves the overall sealing performance of the fire sensing device.
Description
Technical Field
The invention belongs to the technical field of fire sensing detection, and particularly relates to a glue-pouring waterproof fire detector terminal box.
Background
A fire refers to a catastrophic fire phenomenon that loses control over time or space, and among various disasters, a fire is one of the main disasters that most often and most commonly threaten public safety and social development.
Nowadays, more types of fire sensors appear in the market, but the misjudgment rate of many fire sensors is higher. When a fire occurs, linear sensing and action signal triggering are performed on the temperature of the fire, which is one of the ways to reduce the misjudgment.
In other fire sensing devices, such as outdoor cable ducts and deep water environments, in humid places, circuits in a fire sensing device box are easily affected with moisture, and false alarm of a fire detector is easily caused, so that non-misjudgment sensing detection of the fire sensor and tightness processing of the fire sensing device become problems to be solved.
Disclosure of Invention
The invention aims to provide a glue-pouring waterproof type fire detector terminal box, so that the accuracy of a fire sensing device for detecting a fire is improved, and the overall sealing performance of the fire sensing device is also improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a glue-pouring waterproof fire detector terminal box which comprises a first middle base frame plate, wherein two sides of the first middle base frame plate are provided with second side frame plates in a matched mode, an inner installation substrate is arranged inside a first middle base frame plate and second side frame plate assembly, and a PCB main board is arranged on the inner installation substrate.
A plurality of heat conducting copper rods are arranged on the first middle base frame plate; the outer end side of each heat-conducting copper rod is connected with a heat-absorbing copper sheet plate, the inner ends of a plurality of heat-conducting copper rods are fixedly connected to an inner-side heat-conducting copper plate, one side of the inner-side heat-conducting copper plate is attached with a fixed heat-conducting resin block, and one side of the fixed heat-conducting resin block is provided with a fixed heat-absorbing copper sheet plate; one end of the fixed heat absorption copper sheet plate is connected with the PCB main board through an electric lead; the other end of the fixed heat absorption copper sheet plate is provided with a thermal deformation conductor sheet; the inner installation substrate is provided with an electrically conductive fixed metal plate electrically connected with the PCB main board.
The matching connection position of the first middle side frame plate and the second side frame plate comprises a glue pouring sealing part; the first middle base frame plate is provided with a peripheral frame supporting plate positioned at the glue pouring sealing part; an inner surrounding frame supporting plate positioned at the glue filling sealing part is arranged on the second side frame plate; the first middle base frame plate is provided with an inner side clamping frame plate matched with the inner surrounding support frame plate; one side of the inner surrounding frame supporting plate is provided with a first frame-shaped inclined plane bulge, and one side of the inner side clamping frame plate is provided with a second frame-shaped inclined plane bulge matched with the first frame-shaped inclined plane bulge.
As a preferred technical scheme of the invention, the first middle base frame plate and the heat-conducting copper rod are integrally injection-molded.
As a preferred technical scheme of the invention, a group of independent wireless signal transmitting antennas are embedded and mounted at the inner sides of the second side frame plates at two sides of the first middle base frame plate; and the plurality of wireless signal transmitting antennas are independently connected with the wireless module on the PCB mainboard.
As a preferred technical scheme of the invention, the thermal deformation conductor sheet is of a bent sheet structure and comprises an inner side deformation surface and an outer side deformation surface; the thermal expansion rate of the outer deformation surface is smaller than that of the inner deformation surface; the thermal deformation conductor sheet is contacted with the electrically conductive fixed metal plate after being deformed.
As a preferred technical scheme of the invention, the inner side of the first middle base frame plate is fixedly connected with an inner fixed bracket; the internal mounting substrate is fixedly mounted on the internal fixing bracket through bolts.
As a preferred technical scheme of the invention, the first frame-shaped inclined plane bulge and the second frame-shaped inclined plane bulge are provided with mutually parallel inclined planes.
As a preferred technical scheme of the invention, the end side of the inner side clamping frame plate is provided with a plurality of buckle bulges; one side of the inner surrounding frame supporting plate is provided with a plurality of inner side buckle notches matched with the buckle bulges.
As a preferred technical scheme of the invention, a first mounting threaded through groove is formed in the second side frame plate, and a first mounting threaded column is mounted on the first mounting threaded through groove; the outer end side of the first mounting threaded column is fixedly connected with an outer side cover, a sealing washer is arranged at the inner side of the outer side cover, and an outer connecting plate is arranged at the outer side of the outer side cover; the inside position of second avris frame plate is equipped with the inside battery case that is located first installation screw thread logical groove position department and is linked together with first installation screw thread logical groove.
The invention has the following beneficial effects:
1. according to the invention, the external heat absorbing copper sheet plate is adopted to carry out large-area heat contact, when the external heat changes, the change of the heat absorbed by a large number of heat absorbing copper sheet plates is large, and the change of the heat conducted to the internal fixed heat absorbing copper sheet plate is also fast, so that the response speed of the thermal deformation conductor sheet is improved while the thermal deformation is linearized, and the fire detection accuracy of the fire sensing device is improved;
2. according to the invention, the staggered matching structure of the outer peripheral frame supporting plate, the inner peripheral frame supporting plate and the inner side clamping frame plate is arranged between the first middle side base frame plate and the second side frame plate, the glue-pouring sealing part with excellent sealing property is formed by pouring glue, and the sealing matching is carried out at the source part in a threaded column and sealing ring mode, so that the overall sealing property of the fire sensing device is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a terminal box of a glue-pouring waterproof fire detector according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 at C;
FIG. 4 is a partially enlarged schematic view of the structure at B in FIG. 1;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first middle base frame plate; 2-a second side frame plate; 3-heat conducting copper rod; 4-a heat absorbing copper sheet plate; 5-an internal mounting substrate; 6-PCB main board; 7-glue pouring and sealing part; 8-a wireless signal transmitting antenna; 9-inner side heat conducting copper plate; 10-fixing a heat-conducting resin block; 11-fixing a heat absorbing copper sheet plate; 12-a thermally deformable conductor sheet; 13-inner deformable surface; 14-outer deforming surface; 15-electrically conducting a fixed metal plate; 16-an internal fixation bracket; 17-peripheral framing plates; 18-inner peripheral frame supporting plate; 19-inner side clamping frame plate; 20-a snap projection; 21-inner snap notches; 22-a first frame-shaped beveled protrusion; 23-a second frame-shaped beveled protrusion; 24-a first mounting threaded through slot; 25-an internal battery compartment; 26-built-in button cell; 27-a first mounting threaded post; 28-outer cover; 29-a sealing gasket; 30-external connecting plate; 31-external connecting wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example one
As shown in fig. 1 and 2, the second side frame plate 2 is installed on both sides of the first middle base frame plate 1 in a matching manner, the inner installation substrate 5 is installed inside the assembly of the first middle base frame plate 1 and the second side frame plate 2, the PCB main board 6 is arranged on the inner installation substrate 5, and the inner fixing support 16 is fixedly connected to the inner side of the first middle base frame plate 1, and the inner installation substrate 5 is fixedly installed on the inner fixing support 16 through bolts.
As shown in fig. 1, a group of independent wireless signal transmitting antennas 8 is embedded in the inner sides of the second side frame plates 2 at both sides of the first middle base frame plate 1, and a plurality of wireless signal transmitting antennas 8 are independently connected with a wireless module on the PCB main board 6.
As shown in fig. 1 and 2, a plurality of heat conducting copper rods 3 are arranged on the first middle base frame plate 1, and the first middle base frame plate 1 and the heat conducting copper rods 3 are integrally injection-molded.
As shown in fig. 1 and 2, the outer end of each heat conducting copper rod 3 is connected with a heat absorbing copper sheet plate 4, the inner ends of the heat conducting copper rods 3 are fixedly connected to an inner heat conducting copper plate 9, a fixed heat conducting resin block 10 is attached to one side of the inner heat conducting copper plate 9, and one end of the fixed heat absorbing copper sheet plate 4, which is provided with the fixed heat absorbing copper sheet plate 4, of the fixed heat conducting resin block 10 is connected with the PCB main board 6 through an electric lead.
As shown in fig. 1 and 2, the other end of the fixed heat absorbing copper sheet 4 is provided with a thermal deformation conductor sheet 12, the internal mounting substrate 5 is provided with an electrically conductive fixed metal plate 15 electrically connected with the PCB main board 6, the thermal deformation conductor sheet 12 is of a bent sheet structure, and the thermal deformation conductor sheet 12 comprises an inner deformation surface 13, an outer deformation surface 14 and an outer deformation surface 14, and the thermal deformation conductor sheet 12 with a thermal expansion rate smaller than that of the inner deformation surface 13 is deformed and then is contacted with the electrically conductive fixed metal plate 15.
As shown in figures 1, 2 and 3, the matching and connecting position of the first middle base frame plate 1 and the second side frame plate 2 comprises a glue-pouring sealing part 7, the first middle base frame plate 1 is provided with a peripheral frame supporting plate 17 positioned at the glue-pouring sealing part 7, the second side frame plate 2 is provided with an inner peripheral frame supporting plate 18 positioned at the glue-pouring sealing part 7, the first middle base frame plate 1 is provided with an inner side clamping frame plate 19 matched with the inner peripheral frame supporting plate 18, one side of the inner peripheral frame supporting plate 18 is provided with a first frame-shaped inclined plane bulge 22, one side of the inner side clamping frame plate 19 is provided with a second frame-shaped inclined plane bulge 23 matched with the first frame-shaped inclined plane bulge 22, the first frame-shaped inclined plane bulge 22 and the second frame-shaped inclined plane bulge 23 are provided with a plurality of mutually parallel inclined plane inner side clamping frame plates 19, and the end sides of the inner side clamping frame plates 18 of the plurality of clamping bulges 20 are provided with a plurality of inner side clamping notches 21 matched with the clamping bulges 20.
As shown in fig. 1 and 4, the second side frame plate 2 is provided with a first mounting thread through groove 24, the first mounting thread through groove 24 is provided with a first mounting thread column 27, an outer end side of the first mounting thread column 27 is fixedly connected with an outer side cover 28, a sealing washer 29 is arranged at the inner side of the outer side cover 28, an outer connecting plate 30 is arranged at the outer side of the outer side cover 28, and an inner battery box 25 which is located at the position of the first mounting thread through groove 24 and is communicated with the first mounting thread through groove 24 is arranged at the inner side of the second side frame plate 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a waterproof type fire detector terminal box of encapsulating, includes first middle part base frame board (1), second avris frame board (2) are all installed in the cooperation in the both sides of first middle part base frame board (1), the internally mounted of first middle part base frame board (1), second avris frame board (2) combination has internally mounted base plate (5), be provided with PCB mainboard (6), its characterized in that on internally mounted base plate (5):
a plurality of heat conducting copper rods (3) are arranged on the first middle base frame plate (1);
the outer end side of each heat-conducting copper rod (3) is connected with a heat-absorbing copper sheet plate (4), the inner ends of a plurality of heat-conducting copper rods (3) are fixedly connected to an inner-side heat-conducting copper plate (9), one side of the inner-side heat-conducting copper plate (9) is attached with a fixed heat-conducting resin block (10), and one side of the fixed heat-conducting resin block (10) is provided with a fixed heat-absorbing copper sheet plate (4);
one end of the fixed heat absorption copper sheet plate (4) is connected with the PCB main board (6) through an electric lead;
the other end of the fixed heat absorption copper sheet plate (4) is provided with a thermal deformation conductor sheet (12);
the inner mounting substrate (5) is provided with an electrically-conductive fixed metal plate (15) which is electrically connected with the PCB main board (6);
the matching connection position of the first middle base frame plate (1) and the second side frame plate (2) comprises a glue pouring sealing part (7);
the first middle base frame plate (1) is provided with a peripheral frame supporting plate (17) positioned at the glue filling sealing part (7);
an inner surrounding frame supporting plate (18) positioned at the glue filling sealing part (7) is arranged on the second side frame plate (2);
an inner side clamping frame plate (19) matched with the inner surrounding support frame plate (18) is arranged on the first middle base frame plate (1);
one side of the inner surrounding frame supporting plate (18) is provided with a first frame-shaped inclined plane bulge (22), and one side of the inner side clamping frame plate (19) is provided with a second frame-shaped inclined plane bulge (23) matched with the first frame-shaped inclined plane bulge (22).
2. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
the first middle base frame plate (1) and the heat conduction copper rod (3) are integrally formed in an injection molding mode.
3. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
a group of independent wireless signal transmitting antennas (8) are embedded and mounted in the inner sides of the second side frame plates (2) on the two sides of the first middle base frame plate (1);
the plurality of wireless signal transmitting antennas (8) are independently connected with the wireless module on the PCB main board (6).
4. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
the thermal deformation conductor sheet (12) is of a bent sheet structure, and the thermal deformation conductor sheet (12) comprises an inner side deformation surface (13) and an outer side deformation surface (14);
the thermal expansion rate of the outer deformation surface (14) is smaller than that of the inner deformation surface (13);
the thermal deformation conductor sheet (12) is in contact with the electrically conductive fixed metal plate (15) after being deformed.
5. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
the inner side of the first middle base frame plate (1) is fixedly connected with an inner fixed support (16);
the internal mounting substrate (5) is fixedly mounted on an internal fixing bracket (16) through bolts.
6. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
the first frame-shaped inclined plane bulge (22) and the second frame-shaped inclined plane bulge (23) are provided with mutually parallel inclined planes.
7. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
a plurality of buckle bulges (20) are arranged at the end side of the inner side clamping frame plate (19);
one side of the inner surrounding frame supporting plate (18) is provided with a plurality of inner side buckling notches (21) matched with the buckling bulges (20).
8. The glue-pouring waterproof type fire detector terminal box according to claim 1, characterized in that:
a first mounting threaded through groove (24) is formed in the second side frame plate (2), and a first mounting threaded column (27) is mounted on the first mounting threaded through groove (24);
the outer end side of the first mounting threaded column (27) is fixedly connected with an outer side cover (28), a sealing washer (29) is arranged on the inner side of the outer side cover (28), and an outer connecting plate (30) is arranged on the outer side of the outer side cover (28);
and an internal battery box (25) which is positioned at the position of the first mounting threaded through groove (24) and is communicated with the first mounting threaded through groove (24) is arranged at the inner side position of the second side frame plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739069.1A CN112040718B (en) | 2020-07-28 | 2020-07-28 | Glue-filled waterproof fire detector terminal box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739069.1A CN112040718B (en) | 2020-07-28 | 2020-07-28 | Glue-filled waterproof fire detector terminal box |
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| Publication Number | Publication Date |
|---|---|
| CN112040718A true CN112040718A (en) | 2020-12-04 |
| CN112040718B CN112040718B (en) | 2023-05-16 |
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| CN202010739069.1A Active CN112040718B (en) | 2020-07-28 | 2020-07-28 | Glue-filled waterproof fire detector terminal box |
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| CN112040718B (en) | 2023-05-16 |
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