CN111932815A - Fire alarm controller and mounting structure of loop card and motherboard thereof - Google Patents
Fire alarm controller and mounting structure of loop card and motherboard thereof Download PDFInfo
- Publication number
- CN111932815A CN111932815A CN202010862981.6A CN202010862981A CN111932815A CN 111932815 A CN111932815 A CN 111932815A CN 202010862981 A CN202010862981 A CN 202010862981A CN 111932815 A CN111932815 A CN 111932815A
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- Prior art keywords
- assembly
- loop
- motherboard
- card
- loop card
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- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention relates to the field of fire alarm equipment, in particular to a fire alarm controller and a mounting structure of a loop card and a motherboard thereof, which comprises a plug box assembly and a loop card assembly, wherein the motherboard is mounted at the bottom of the plug box assembly, and a plurality of loop card assemblies are inserted into the plug box assembly and connected with the motherboard; the inserting box assembly is provided with a fastener matched with the loop card assembly in a buckling mode or a pin hole mode; and a guide part of the limiting and restricting loop card assembly is arranged in the plug-in box assembly. The loop card assembly comprises a support, and the support is provided with a clamping groove for inserting a loop card; the end surface of the clamping groove is provided with a loop clamping hook, and the loop clamping hook is connected with a loop clamping buckle; the folding extension in both ends of support forms folding trip, folding trip and subrack subassembly buckle cooperation. The invention has the beneficial effects that: the parts required by the fixed loop card are reduced, the fixed loop card assembly and the plug box assembly are connected through the buckles, the installation time is saved, and the installation procedures are reduced.
Description
Technical Field
The invention relates to the field of fire alarm equipment, in particular to a fire alarm controller and a mounting structure of a loop card and a motherboard thereof.
Background
The circuit board mounting structure of the fire alarm controller generally comprises a plug box, a plug box bottom plate, a mother plate, a circuit board, a guide bracket, a fixed bracket and the like. The fire alarm controller is part of a fire detection system and each loop card is responsible for connecting each bus loop to the control system.
The fire alarm controller product loop card mounting type is composed of a loop card assembly and a plug box assembly, wherein the loop card assembly is composed of a loop card and a loop card metal mounting bracket, and the connection of the loop card and the loop card metal mounting bracket is generally realized by using screws, as shown in fig. 5. The plug box assembly consists of a metal plug box, a metal plug box bottom plate, a mother plate and a guide bracket, wherein the mother plate is firstly installed on the metal plug box bottom plate by using screws, and then the metal plug box bottom plate and the mother plate are installed on the bottom of the metal plug box by using screws; the guide support is made of plastic materials, and is installed inside the metal plug box in a clamping mode to form a plug box assembly, as shown in figure 6. The cooperation of the loop card assembly and the jack box assembly is realized through the guide bracket and the screw connection, as shown in fig. 7.
In summary, in the prior art, the installation type of the loop card of the fire alarm controller product has the disadvantages of large number of required parts, long installation time, multiple assembling and disassembling processes and complex disassembly.
Disclosure of Invention
The present invention is directed to a fire alarm controller and a circuit card and motherboard mounting structure thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a mounting structure of a loop card and a motherboard of a fire alarm controller comprises a plug box assembly and a loop card assembly, wherein the motherboard is mounted at the bottom of the plug box assembly, and a plurality of loop card assemblies are inserted into the plug box assembly and connected with the motherboard; and the inserting box assembly is provided with a fastener matched with the loop card assembly in a buckling mode or a pin hole mode.
As a further scheme of the invention: and a guide part of the limiting and restricting loop card assembly is arranged in the plug-in box assembly.
As a still further scheme of the invention: the loop card assembly comprises a support, and the support is provided with a clamping groove for inserting the loop card.
As a still further scheme of the invention: the terminal surface of draw-in groove is equipped with the return circuit trip, the return circuit trip is connected with return circuit card buckle.
As a still further scheme of the invention: the folding extension in both ends of support forms folding trip, folding trip and subrack subassembly buckle cooperation.
As a still further scheme of the invention: the plug box assembly comprises a plug box, the motherboard is installed at the bottom of the plug box, the circuit card assemblies are inserted into the plug box, and the motherboard is connected with the circuit card assemblies.
As a still further scheme of the invention: the fastener includes the trip, the trip sets up along both sides outside at the subrack.
As a still further scheme of the invention: the plug-in box assembly and the loop card assembly are made of resin.
The invention provides another technical scheme that: a fire alarm controller comprises a main controller and a mounting structure of a loop card and a motherboard of the fire alarm controller, wherein the main controller is arranged on the motherboard and is respectively connected with a loop card assembly.
Compared with the prior art, the invention has the beneficial effects that: the parts required by the fixed loop card are reduced, the buckle is adopted to replace the thread connection fixed loop card assembly and the plug box assembly, the installation time is saved, and the installation procedures are simplified and reduced.
Drawings
FIG. 1 is a schematic diagram showing an assembly of a circuit card and a motherboard of a fire alarm controller according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a loop card assembly according to an embodiment of the invention.
FIG. 3 is an exploded view of a circuit card assembly according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a box assembly according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a circuit card assembly in the prior art.
Fig. 6 is an assembly view showing a mounting structure of a circuit card and a motherboard of a fire alarm controller according to the prior art.
FIG. 7 is a schematic structural diagram of a circuit card and motherboard mounting structure of a fire alarm controller in the prior art.
In the drawings: 1. the circuit card comprises a circuit card body, 2, a support, 3, a limiting groove, 4, a folding clamping hook, 5, a bayonet, 6, a circuit clamping hook, 7, a screw, 8, a plastic inserting box, 9, a mother board, 10, a circuit card assembly, 11, an inserting box assembly, 12, a guide groove, 13, a guide rib, 14, a clamping hook, 15, a metal inserting box bottom plate, 16, a metal inserting box, 17 and a guide support.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1 and 4, in an embodiment of the present invention, an installation structure of a loop card and a motherboard of a fire alarm controller includes a box insertion assembly and a loop card assembly, wherein the motherboard is installed at the bottom of the box insertion assembly, and a plurality of loop card assemblies are inserted into the box insertion assembly and connected with the motherboard; and the inserting box assembly is provided with a fastener matched with the loop card assembly in a buckling mode or a pin hole mode.
Specifically, the circuit card assembly 10 includes a bracket 2, specifically, the bracket is made of resin and made into a plastic bracket 2, the bracket 2 is provided with card slots for inserting the circuit cards, and the number of the brackets is the same as that of the circuit cards; firstly, respectively inserting and fixing the loop cards 1 in the brackets 2, then inserting the loop cards 1 and the brackets 2 into the box inserting assembly, and butting one end of each loop card 1 extending out of each bracket against a mother board arranged at the bottom of the box inserting assembly; sequentially inserting the loop card 1 and the bracket 2 into the plug-in box assembly and fixing to ensure that the loop card 1 is normally connected with the motherboard; the parts required by the fixed loop card are reduced, the buckle is adopted to replace the thread connection fixed loop card assembly and the plug box assembly, and the installation time is saved.
Referring to fig. 1, in another embodiment of the present invention, a guiding member for limiting the position of the loop card assembly is disposed in the inserting box assembly 11.
Specifically, the guide part is a guide groove 12, symmetrical guide grooves 12 are formed in two sides of the inner surface of the inserting box assembly at intervals and used for limiting and constraining the loop card 1, the loop card is inserted into the inserting box assembly to play a role in guiding, the lateral displacement of the loop card is limited, and the loop card 1 is guaranteed to be normally connected with a mother board.
Preferably, the bracket is provided with a guide rib 13 matched with the guide groove 12, and the width of the guide rib 13 is the same as that of the guide groove 12; the guide groove 12 is matched with the guide rib 13 to fix the loop card.
Referring to fig. 3, in an embodiment of the present invention, a loop hook 6 is disposed on an end surface of the slot, and the loop hook 6 is connected to the loop card 1 in a snap-fit manner.
Specifically, the widths of two ends of the clamping groove are reduced to form a limiting groove 3, the width of the limiting groove 3 is close to the thickness of the loop card, a loop card hook 6 is arranged on one side, far away from the clamping groove, of the limiting groove 3, and after the loop card is inserted into the clamping groove, the loop card hook 6 is embedded into a bayonet 5 arranged on the loop card to fix the loop card in the clamping groove.
Referring to fig. 2-3, in an embodiment of the present invention, two ends of the bracket 2 are folded and extended to form folding hooks 4, and the folding hooks 4 are snap-fitted to the box inserting assembly.
Specifically, after the bracket 2 inserted with the loop card is inserted into the box inserting assembly, the loop card is fully abutted against the mother board 9, and the folding hook 4 is buckled on the box inserting assembly, so that the bracket 2 inserted with the loop card is fixed.
Referring to fig. 1, in an embodiment of the present invention, the socket assembly 11 includes a socket, the motherboard is mounted at the bottom of the socket, a plurality of circuit card assemblies are inserted into the socket, and the motherboard is connected to the circuit card assemblies.
Specifically, the manufacturing material of subrack is resin, makes plastics subrack 8, and the both sides interval of 8 internal surfaces of plastics subrack is seted up symmetrical guide way 12 for spacing restraint return circuit card 1, inserts the support 2 that has the return circuit card in the cartridge in proper order into guide way 12 to it is fixed through the lock of folding trip 4. As shown in fig. 4, the motherboard 9 is mounted at the bottom of the plastic plug box 8 through screws 7; compared with the metal plug box 16, the bottom of the metal plug box is required to be provided with a metal plug box bottom plate 15 for installing a mother board, and a guide bracket 17 is arranged in the metal plug box 16 for limiting and guiding the loop card assembly; the plastic plug-in box 8 does not need to be provided with a guide support, the use of parts is reduced, the fixed loop card assembly is fixed by adopting buckle connection instead of threaded connection, and the installation time and the installation difficulty are reduced.
Referring to fig. 1, in an embodiment of the present invention, the fastening member includes hooks 14, and the hooks 14 are disposed on two sides of an outer edge of the receptacle.
The clamping hook 14 is matched with the folding clamping hook 4 in a buckling mode, and the support 2 inserted with the loop card is fixed in the inserting box.
The manufacturing materials of the plug-in box assembly and the loop card assembly are resin, specifically, the manufacturing material of the plug-in box is resin, and the manufacturing material of the support 2 is resin. The circuit card is prevented from being damaged by collision in the installation process due to the fact that the circuit card is made of resin materials, the guide groove 12 is favorably formed in the inserting box, and the hook 14 and the folding hook 4 matched with the hook 14 are favorably manufactured. The installation of the loop card is limited and restricted through the guide groove 12, so that the use of guide supports is reduced, namely, the use of parts is reduced.
Referring to fig. 1, in another embodiment of the present invention, a fire alarm controller includes a main controller and a circuit card and motherboard mounting structure of the fire alarm controller as described above, wherein the main controller is disposed on a motherboard and is respectively connected to circuit card assemblies.
The installation structure of the loop card and the motherboard of the fire alarm controller comprises a plug box assembly and loop card assemblies, wherein the motherboard is installed at the bottom of the plug box assembly, and a plurality of loop card assemblies are inserted into the plug box assembly and connected with the motherboard; the inserting box assembly is provided with a fastener which is in snap fit with the loop card assembly; the main controller is respectively connected with the field equipment units corresponding to the loop cards through the loop cards, and the field equipment units realize actions of fire detection, alarming, displaying and the like.
The working principle of the invention is as follows: firstly, respectively inserting and fixing the loop cards 1 in the brackets 2, then inserting the loop cards 1 and the brackets 2 into the box inserting assembly, and butting one end of each loop card 1 extending out of each bracket against a mother board arranged at the bottom of the box inserting assembly; and sequentially inserting the loop card 1 and the bracket 2 into the plug-in box assembly and fixing to ensure that the loop card 1 is normally connected with the motherboard.
It should be noted that the main controller adopted by the present invention is an application of the prior art, and those skilled in the art can implement the functions to be achieved according to the related description, or implement the technical characteristics to be achieved through the similar technology, and will not be described in detail here.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
1. A mounting structure of a loop card and a motherboard of a fire alarm controller comprises a plug box assembly and a loop card assembly, wherein the motherboard is mounted at the bottom of the plug box assembly; and the inserting box assembly is provided with a fastener matched with the loop card assembly in a buckling mode or a pin hole mode.
2. A fire alarm controller circuit card and motherboard mounting arrangement as recited in claim 1 wherein said box assembly is provided with guides for spacing and constraining the circuit card assembly.
3. A fire alarm controller circuit card and motherboard mounting structure as recited in claim 1 wherein said circuit card assembly includes a bracket having a slot for receiving a circuit card.
4. The structure of claim 3, wherein the end surface of the engaging groove is provided with a loop engaging hook, and the loop engaging hook is engaged with the loop engaging hook.
5. A fire alarm controller loop card and motherboard mounting structure as recited in claim 3 wherein the two ends of said bracket are folded and extended to form folding hooks, said folding hooks snap-fit with the box assembly.
6. A fire alarm controller circuit card and motherboard mounting arrangement as recited in claim 1 wherein said box subassembly includes a box, said motherboard is mounted to the bottom of said box, a plurality of said circuit card assemblies are inserted into said box, and said motherboard is connected to said circuit card assemblies.
7. The structure of claim 6, wherein the fastening member includes hooks provided at both sides of the outer edge of the insertion box.
8. A fire alarm controller circuit card and motherboard mounting structure as recited in claim 1 wherein the material of construction of said receptacle assembly and circuit card assembly is resin.
9. A fire alarm controller, comprising a main controller and a mounting structure of the loop card and the motherboard of the fire alarm controller according to any one of claims 1 to 8, the main controller being provided on the motherboard and being connected to loop card assemblies, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862981.6A CN111932815A (en) | 2020-08-25 | 2020-08-25 | Fire alarm controller and mounting structure of loop card and motherboard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010862981.6A CN111932815A (en) | 2020-08-25 | 2020-08-25 | Fire alarm controller and mounting structure of loop card and motherboard thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111932815A true CN111932815A (en) | 2020-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010862981.6A Pending CN111932815A (en) | 2020-08-25 | 2020-08-25 | Fire alarm controller and mounting structure of loop card and motherboard thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111932815A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2356216A2 (en) * | 1976-06-21 | 1978-01-20 | Riviere Stephane | Fire alarm and fault detection circuit panel - includes master printed circuit board with auxiliary boards for detection, alarm, and fault detection circuits |
| KR101311950B1 (en) * | 2012-04-25 | 2013-09-26 | 비아이산업(주) | Fire detecing and alarm system |
| CN207199032U (en) * | 2017-08-11 | 2018-04-06 | 西安特菲尔电子有限公司 | A kind of small point fire alarm control unit |
| CN212379947U (en) * | 2020-08-25 | 2021-01-19 | 秦皇岛泰和安科技有限公司 | Fire alarm controller and mounting structure of loop card and motherboard thereof |
-
2020
- 2020-08-25 CN CN202010862981.6A patent/CN111932815A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2356216A2 (en) * | 1976-06-21 | 1978-01-20 | Riviere Stephane | Fire alarm and fault detection circuit panel - includes master printed circuit board with auxiliary boards for detection, alarm, and fault detection circuits |
| KR101311950B1 (en) * | 2012-04-25 | 2013-09-26 | 비아이산업(주) | Fire detecing and alarm system |
| CN207199032U (en) * | 2017-08-11 | 2018-04-06 | 西安特菲尔电子有限公司 | A kind of small point fire alarm control unit |
| CN212379947U (en) * | 2020-08-25 | 2021-01-19 | 秦皇岛泰和安科技有限公司 | Fire alarm controller and mounting structure of loop card and motherboard thereof |
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