CN220829750U - Fire detector for sealing box - Google Patents
Fire detector for sealing box Download PDFInfo
- Publication number
- CN220829750U CN220829750U CN202321940537.7U CN202321940537U CN220829750U CN 220829750 U CN220829750 U CN 220829750U CN 202321940537 U CN202321940537 U CN 202321940537U CN 220829750 U CN220829750 U CN 220829750U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- cover
- connecting cover
- sealing
- box wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 88
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000000779 smoke Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model discloses a fire detector for a sealed box body, which comprises a connecting cover, a protective cover and a sealed box wall, wherein the connecting cover is arranged on the connecting cover; the connecting cover is a sealing cover body, a through hole and bolt holes around the through hole are formed in the sealing box wall, a fixing bolt is installed on the protecting cover, the fixing bolt penetrates through the bolt holes and a mounting hole formed in the connecting cover, the mounting hole is tightly sealed through the matching locking of a cover nut on the upper part of the connecting cover and the fixing bolt, and when the connecting cover and the protecting cover are tightly installed on the sealing box wall, the connecting cover and the inside of the connecting cover are mutually communicated through the through hole to form a placing space for mounting an electric element; the fire disaster detector is characterized in that a power supply connecting piece is arranged on the connecting cover and used for being connected with an external power supply to supply power to the electrical element, a sealing ring groove is formed in one side, in contact with the sealing box wall, of the connecting cover, and a sealing ring is arranged in the sealing ring groove.
Description
Technical Field
The utility model belongs to the technical field of fire detectors, and particularly relates to a fire detector for a sealed box body.
Background
The fire detector is a device for detecting fire in an automatic fire alarm system. Fire detectors are the "sense organs" of the system that function to monitor the environment for the occurrence of a fire. Once a fire condition exists, the characteristic physical quantities of the fire, such as temperature, smoke, gas, radiation intensity and the like, are converted into electric signals, and immediately act to send alarm signals to a fire alarm controller.
At present, many sealing boxes or objects required by installation space are required to be provided with detectors, namely fire detectors, such as battery boxes of electric buses and electric automobiles, the detection ends of the fire detectors are required to be installed in the sealing boxes, the fire detectors are often required to be connected with an external power supply through electric connecting wires, the arranged electric connecting wires are required to penetrate out of the sealing boxes from the sealing boxes, the sealing performance of the sealing boxes can be affected, and meanwhile, after the fire detectors are installed in the sealing boxes, the sealing boxes are required to be opened for replacement due to the fact that the detectors are required to be regularly maintained and calibrated or replaced after faults occur, the functions of the sealing boxes can be affected, sealing tests are required to be carried out on the sealing boxes again, and extra workload and working difficulty are increased.
Disclosure of utility model
In view of the above, the present utility model aims to overcome the defects in the prior art, and provides a fire detector for sealing a box, which provides the following technical solutions:
A fire detector for sealing a box body comprises a connecting cover, a protective cover and a sealing box wall for installing the connecting cover and the protective cover; the connecting cover is a sealing cover body, a through hole and bolt holes around the through hole are formed in the sealing box wall, a fixing bolt is installed on the protecting cover, the fixing bolt penetrates through the bolt holes and the installation holes formed in the connecting cover, and the connecting cover, the protecting cover and the sealing box wall are tightly contacted through the cover nuts at the upper part of the connecting cover, matched locking with the fixing bolt and sealing the installation holes; when the connecting cover and the protective cover are tightly arranged on the sealing box wall, the connecting cover and the interior of the protective cover are mutually communicated through the through holes to form a placing space for installing electrical elements; the connecting cover is provided with a power supply connecting piece and is used for being connected with an external power supply to supply power to the electrical component, one side, in contact with the sealing box wall, of the connecting cover is provided with a sealing ring groove, a sealing ring is installed in the sealing ring groove, and the sealing ring is used for enabling the connecting cover to be in sealing connection with the sealing box wall.
Preferably, a reinforcing washer is arranged on the other side of the sealing box wall, which is located on the protective cover, and a bolt hole is arranged on the reinforcing washer and used for penetrating through the fixing bolt and locking through a locking nut.
Preferably, the electrical component comprises a first circuit board and a second circuit board; the first circuit board is detachably mounted inside the connecting cover, and the second circuit board is detachably mounted inside the protective cover.
Preferably, the first circuit board is provided with electronic components such as a power chip, a communication chip, a micro-processing chip and the like, the second circuit board is provided with sensors such as smoke, combustible gas, temperature, pressure and the like, and the first circuit board is electrically connected with the second circuit board through an electric connecting wire.
Preferably, a flat cable connector is disposed on a side of the first circuit board opposite to the second circuit board, and is used for plugging a flexible flat cable to electrically connect the first circuit board and the second circuit board.
Preferably, the power connector is an aviation plug socket.
Preferably, the first circuit board and the second circuit board are connected with the connecting cover and the protecting cover by bolts or screws.
Preferably, the number of the bolts or the screws used for connection on the first circuit board and the second circuit board is not less than 2, and the bolts or the screws are uniformly arranged around the first circuit board and the second circuit board.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. The fire detector is divided into the connecting cover and the protective cover, the connecting cover is positioned outside the sealing box, the protective cover is positioned inside the sealing box, the power connecting piece is arranged on the connecting cover, a power line on the power connecting piece does not need to penetrate through the sealing box body, and the sealing performance of the sealing box body is not affected; meanwhile, the installation hole of the connecting cover adopts a cover type nut to match and lock and fix a bolt, so that the connecting cover, the protective cover and the sealing box wall are tightly contacted to realize installation, the installation hole on the connecting cover can be covered and sealed, the connecting cover can completely cover the through hole and the bolt hole on the sealing box wall, the sealing box is sealed, and the sealing effect of the sealing box is guaranteed.
2. Through setting up reinforcing washer and lock nut, install the visor on the seal box wall, fix the visor, can install the visor earlier, then install the connecting cover, the installation of dividing, be convenient for, simultaneously, with the connecting cover after tearing down, the visor can be fixed in on the seal box wall, is convenient for repair and change the electrical component in the visor through the through-hole.
3. The first circuit board and the second circuit board are fixedly arranged in the connecting cover and the protective cover respectively through two or more bolts or screws, then the first circuit board and the second circuit board are electrically connected through the flat cable connector and the soft flat cable, so that the first circuit board and the second circuit board can be firmly connected in the connecting cover and the protective cover, shake and separation are not easy to occur, the work of arranged electronic elements is not easy to influence, and the circuit board is more beneficial to use in a vibration environment; and when maintenance and replacement are carried out, the soft flat cable is pulled out from the flat cable connector, namely the first circuit board is separated from the second circuit board, the damaged circuit boards are replaced, and then the soft flat cable is spliced and connected through the flat cable connector again, so that the installation and maintenance are convenient.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a fire detector for a sealed enclosure.
Fig. 2 is a schematic view of an internal structure of a fire detector connection cover for sealing a case.
Fig. 3 is a schematic view showing an internal structure of a protective cover of the fire detector for sealing a case.
Fig. 4 is a schematic view of a fire detector reinforcing gasket for sealing a tank.
Fig. 5 is an exploded view of a fire detector for sealing a case.
Reference numerals: 1. a connection cover; 10. a power supply connection; 2. a protective cover; 3. sealing the wall of the box; 4. a fixing bolt; 41. a cap nut; 42. a lock nut; 5. a seal ring; 6. reinforcing the gasket; 7. a first circuit board; 8. a second circuit board; 9. a flat cable connector; 91. soft flat cable.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1-5, a fire detector for sealing a box according to the present utility model includes a connection cover 1, a protection cover 2, and a sealing wall 3 for installing the connection cover 1 and the protection cover 2; the connecting cover 1 is a sealing cover body, a through hole and bolt holes around the through hole are formed in the sealing box wall 3, the fixing bolt 4 is installed on the protecting cover 2, the fixing bolt 4 penetrates through the bolt hole and the installation hole formed in the connecting cover 1, and the connecting cover 1 and the protecting cover 2 are tightly contacted with the sealing box wall 3 through the matching locking of the cover nut 41 at the upper part of the connecting cover 1 and the fixing bolt 4 and the sealing of the installation hole; when the connecting cover 1 and the protective cover 2 are tightly arranged on the sealing box wall 3, the connecting cover 1 and the interior of the protective cover 2 are mutually communicated through the through holes to form a placing space for installing electrical elements; the connecting cover 1 is provided with a power supply connector 10 for being connected with an external power supply to supply power to the electrical components, one side of the connecting cover 1, which is in contact with the sealing box wall, is provided with a sealing ring groove, a sealing ring 5 is arranged in the sealing ring groove, and the sealing ring 5 is used for enabling the connecting cover 1 to be in sealing connection with the sealing box wall 3.
The number of bolts 4 is two or more, preferably four; when the cover nut 41 is locked when being matched with the fixing bolt 4, a sealing gasket can be arranged between the cover thread 41 and the connecting cover 1 so as to ensure the sealing of the mounting hole.
Specifically, the sealing wall 3 is provided with a reinforcing washer 6 at the other side of the protective cover 2, and the reinforcing washer 6 is provided with a bolt hole for penetrating the fixing bolt 4 and locking by a locking nut 42.
Specifically, the electrical component comprises a first circuit board 7 and a second circuit board 8; the first circuit board 7 is detachably mounted inside the connecting cover 1, and the second circuit board 8 is detachably mounted inside the protecting cover 2.
Specifically, electronic components such as a power chip, a communication chip, a micro-processing chip and the like are arranged on the first circuit board 7, sensors such as smoke, combustible gas, temperature, pressure and the like are arranged on the second circuit board 8, and the first circuit board 7 is electrically connected with the second circuit board 8 through an electric connecting wire.
Specifically, the first circuit board 7 and the second circuit board 8 are provided with a flat cable connector 9 on opposite sides thereof, and the flat cable connector is used for plugging the flexible flat cable 91 to electrically connect the first circuit board 7 and the second circuit board 8.
Specifically, the power connector 10 is an air plug socket.
It should be noted that, the power connector 10 may also use other power sockets with good tightness, and the socket is only one of the preferred socket.
Specifically, the first circuit board 7 and the second circuit board 8 are connected with the connecting cover 1 and the protecting cover 2 by bolts or screws.
Besides the connection mode of bolts or screws, detachable fixing modes such as buckles, spring cards and the like can be adopted, and the bolts are only two types of preference.
Specifically, the number of bolts or screws used for connection on the first circuit board 7 and the second circuit board 8 is not less than 2, and the bolts or screws are uniformly arranged around the first circuit board 7 and the second circuit board 8.
In specific implementation, a user installs the circuit board II 8 inside the protective cover 2 through bolts or screws, installs the fixing bolt 4 on the circuit board II 8, aligns the fixing bolt 4 with a bolt hole on the sealing box wall 3, enables the fixing bolt 4 to extend out of the sealing box through the bolt hole, installs the reinforcing gasket 6 and the sealing ring 5 on the fixing bolt 4 positioned outside the sealing box in sequence and locks the fixing gasket through the locking nut 42, at this time, the protective cover 2 is fixed on the inner side of the sealing box wall 3, installs the circuit board I7 inside the connecting cover 1 through bolts or screws, connects the circuit board I7 with the power supply connector 10 through an electric connecting wire while installing, inserts both ends of the flexible flat cables 91 with the flat cable connectors 9 arranged on the circuit board I7 and the circuit board II 8, aligns the mounting hole on the connecting cover 1 with the fixing bolt 4, installs the connecting cover 1 on the outer side of the sealing box wall 3, and locks the tail end of the fixing bolt 4 through the cover nut 41 in a matched manner, and fixes the connecting cover 1 on the outer side of the sealing box wall 3; at this time, the seal ring 5 is positioned in the seal ring groove of the connection cover 1, and the cover nut 41 completely covers the mounting hole of the connection cover 1.
When a fault occurs, the cap nut 41 on the connection cap 1 is loosened, the connection cap 1 is removed, then the flexible flat cable is pulled out of the flat cable connector 9, and the circuit board with the fault is replaced.
It should be noted that the power chip, the communication chip, the microprocessor chip, the electronic components such as the flat cable connector 9, etc. disposed on the first circuit board 7, the smoke, the combustible gas, the temperature, the pressure, etc. sensor, the electronic components such as the flat cable connector 9, etc. disposed on the second circuit board 8 are disposed before or during the installation.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (8)
1. A fire detector for a sealed enclosure, characterized by: comprises a connecting cover (1), a protective cover (2) and a sealing box wall (3) for installing the connecting cover (1) and the protective cover (2); the connecting cover (1) is a sealing cover body, a through hole and bolt holes around the through hole are formed in the sealing box wall (3), a fixing bolt (4) is arranged on the protecting cover (2), the fixing bolt (4) penetrates through the bolt hole and a mounting hole formed in the connecting cover (1), and a cover nut (41) at the upper part of the connecting cover (1) is matched with the fixing bolt (4) to lock and seal the mounting hole, so that the connecting cover (1), the protecting cover (2) and the sealing box wall (3) are in tight contact; when the connecting cover (1) and the protective cover (2) are tightly arranged on the sealing box wall (3), the connecting cover (1) and the interior of the protective cover (2) are mutually communicated through the through holes to form a placing space for mounting electric elements; the connecting cover (1) is provided with a power supply connecting piece (10) which is used for being connected with an external power supply to supply power to the electrical component, one side of the connecting cover (1) contacted with the sealing box wall is provided with a sealing ring groove, a sealing ring (5) is arranged in the sealing ring groove, and the sealing ring (5) is used for enabling the connecting cover (1) to be in sealing connection with the sealing box wall (3).
2. A fire detector for a sealed enclosure as claimed in claim 1, wherein: the sealing box wall (3) is located the opposite side of visor (2) is provided with and strengthens packing ring (6), be provided with the bolt hole on strengthening packing ring (6) for pierce through fixing bolt (4) and lock through lock nut (42).
3. A fire detector for a sealed enclosure as claimed in claim 1, wherein: the electrical component comprises a first circuit board (7) and a second circuit board (8); the first circuit board (7) is detachably mounted inside the connecting cover (1), and the second circuit board (8) is detachably mounted inside the protective cover (2).
4. A fire detector for a sealed enclosure as claimed in claim 3 wherein: the first circuit board (7) is provided with a power chip, a communication chip and a micro-processing chip, the second circuit board (8) is provided with smoke, combustible gas, temperature and pressure sensors, and the first circuit board (7) is electrically connected with the second circuit board (8) through an electric connecting wire.
5. A fire detector for a sealed enclosure as claimed in claim 3 wherein: and a flat cable connector (9) is arranged on one side of the first circuit board (7) opposite to the second circuit board (8) and is used for plugging a soft flat cable (91) to electrically connect the first circuit board (7) with the second circuit board (8).
6. A fire detector for a sealed enclosure as claimed in claim 1, wherein: the power supply connector (10) is an aviation plug socket.
7. A fire detector for a sealed enclosure as claimed in claim 3 wherein: the first circuit board (7) and the second circuit board (8) are connected with the connecting cover (1) and the protective cover (2) by bolts or screws.
8. A fire detector for a sealed enclosure as claimed in claim 7 wherein: the number of the bolts or the screws used for connection on the first circuit board (7) and the second circuit board (8) is not less than 2, and the bolts or the screws are uniformly arranged around the first circuit board (7) and the second circuit board (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321940537.7U CN220829750U (en) | 2023-07-21 | 2023-07-21 | Fire detector for sealing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321940537.7U CN220829750U (en) | 2023-07-21 | 2023-07-21 | Fire detector for sealing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220829750U true CN220829750U (en) | 2024-04-23 |
Family
ID=90723011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321940537.7U Active CN220829750U (en) | 2023-07-21 | 2023-07-21 | Fire detector for sealing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220829750U (en) |
-
2023
- 2023-07-21 CN CN202321940537.7U patent/CN220829750U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |