CN214175605U - Display device of fire alarm system - Google Patents
Display device of fire alarm system Download PDFInfo
- Publication number
- CN214175605U CN214175605U CN202120218253.1U CN202120218253U CN214175605U CN 214175605 U CN214175605 U CN 214175605U CN 202120218253 U CN202120218253 U CN 202120218253U CN 214175605 U CN214175605 U CN 214175605U
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- Prior art keywords
- upper cover
- circuit board
- display device
- fire alarm
- alarm system
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims abstract 2
- 239000011521 glass Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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- Fire Alarms (AREA)
Abstract
The utility model relates to a fire alarm system's display device relates to the display device field, and it includes the casing, the casing includes upper cover part and base part, upper cover part with be provided with the inner shell between the base part, the inner shell is close to upper cover part's terminal surface is provided with the recess that is used for placing the winding displacement, upper cover part with be provided with the circuit board between the inner shell, upper cover part with be provided with between the circuit board with the liquid crystal display that the circuit board electricity is connected, a plurality of ports have been seted up on the base part. This application has and makes the inside winding displacement of fire alarm display device orderly neat, avoids the winding displacement too in a jumble and disorderly effect of hiding some potential safety hazards.
Description
Technical Field
The application relates to the field of display devices, in particular to a display device of a fire alarm system.
Background
The automatic fire alarm device detects fire hazard and plays a role in safety precaution, and is an important component of a building equipment automation system (a display device of a BA fire alarm system) in an intelligent building; the fire alarm controller can convert physical quantities such as smoke, heat, flame and the like generated by combustion into electric signals through the fire detector at the initial stage of a fire, transmit the electric signals to the fire alarm controller, and simultaneously inform an ignition layer and upper and lower adjacent layers of the fire to evacuate in an acoustic or optical mode, so that people can find the fire in time, take effective measures in time to put out the initial fire, reduce the loss of life and property caused by the fire to the maximum extent, and the fire alarm controller is a powerful tool for people to fight against the fire. The existing monitors are connected with controllers through wires for early warning, and the internal circuits of the detectors are many, but most of the detectors are arranged in a mess, and the circuits are crossed and complicated.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the fire alarm display has more circuits, and the tight connection between the circuit boards can cause the too dense wires and influence the heat dissipation; if the interval between circuit board and the inner shell is too big, the winding displacement is too sparse electric wire too much and can twine together in the equipment or use, influences the maintenance.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the traditional Chinese multi-line flat cable of a fire alarm display is disordered and inconvenient to maintain, the display device of the fire alarm system is provided.
The application provides a fire alarm system's display device adopts following technical scheme:
the display device of the fire alarm system comprises a shell, wherein the shell comprises an upper cover component and a base component, an inner shell is arranged between the upper cover component and the base component, a groove used for placing a flat cable is formed in the end face, close to the upper cover component, of the inner shell, a circuit board is arranged between the upper cover component and the inner shell, a liquid crystal display screen electrically connected with the circuit board is arranged between the upper cover component and the circuit board, and a plurality of ports are formed in the base component.
By adopting the technical scheme, when a fire disaster occurs on a floor, the circuit board can control the liquid crystal display screen to send out sound and light alarm signals and display an ignition area (or floor number) and an alarm address number or a part number; the inner shell plays a supporting role in the circuit board, and the grooves of the inner shell are used for accommodating, arranging and arranging the electric wires, so that the electric wires are not arranged between the inner shell and the circuit board in a mess, and an operator can conveniently overhaul the display device of the fire alarm system.
Optionally, the upper cover part includes an upper cover and a glass sheet, a window matched with the size of the liquid crystal display screen is formed above the end face of the circuit board far away from the inner shell, and the glass sheet is fixedly connected to the window of the upper cover in a matched manner.
Through adopting above-mentioned technical scheme, the glass piece carries out a guard action to liquid crystal display, also prevents simultaneously that the dust from getting into display device inside, avoids the dust to influence liquid crystal display's demonstration definition.
Optionally, the base part includes a base and a plurality of keys, the keys are classified according to functions, and function-related icons are drawn on the surfaces of the keys.
By adopting the technical scheme, the base part comprises a base and a plurality of keys electrically connected with the circuit board, the keys are classified according to functions, the surface of each key is drawn with function-related icons, and the keys protrude out of the outer surface of the upper cover far away from the circuit board.
Optionally, the plurality of ports comprises a plurality of bus loop interfaces and a plurality of power interfaces.
By adopting the technical scheme, the bus loop interface is in communication connection with the fire-fighting two buses in the controller, so that cross-loop display can be realized, linkage signals of other lines can be received, and the requirement of large-scale alarm display is met; the power interface is connected with a 24V power supply provided by the controller in a non-polar mode.
Optionally, a buzzer in control connection with the circuit board is arranged on the side of the circuit board in the upper cover.
Through adopting above-mentioned technical scheme, when the circuit board received the fire signal, circuit board control buzzer sounded, and then can be better remind operating personnel for the conflagration can be found sooner.
Optionally, a plurality of sound diffusing holes are formed in the end face, close to the buzzer, of the casing in a penetrating manner.
Through adopting above-mentioned technical scheme, the public address hole makes the sound of bee calling organ can not blockked by the casing, and what can propagate is farther.
Optionally, the two horizontal sections of the upper cover are provided with clamping plates near the end of the base.
Through adopting above-mentioned technical scheme, the upper cover carries out the joint with the base, makes base and upper cover what be as an organic whole in the vision, also makes the base can be connected with the upper cover more stable simultaneously, and is better to the fixed action of inner shell.
Optionally, an arrow indicating the correct installation direction is marked on the base.
Through adopting above-mentioned technical scheme, the exact installation orientation of arrow direction sign display device, operating personnel installs display device according to the arrow direction, avoids turning the flip-chip upside down with display device, influences operating personnel and observes the content on the liquid crystal display.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a fire disaster occurs on a floor, the circuit board can control the liquid crystal display screen to send out sound and light alarm signals and display an ignition area (or floor number) and an alarm address number or a part number; the inner shell plays a supporting role for the circuit board, and meanwhile, the grooves of the inner shell are used for accommodating, arranging and arranging the electric wires, so that the electric wires are not arranged between the inner shell and the circuit board in a messy manner, and an operator can conveniently overhaul the display device of the fire alarm system;
2. the glass sheet has a protection effect on the liquid crystal display screen, and simultaneously prevents dust from entering the display device, so that the dust is prevented from influencing the display definition of the liquid crystal display screen;
3. elastic clamping between inner shell and the flange makes things convenient for operating personnel to load and unload between inner shell and the base.
Drawings
FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a rear view structure diagram of an embodiment of the present application.
Reference numerals: 2. an upper cover member; 21. an upper cover; 22. a glass sheet; 23. pressing a key; 3. a base; 4. an inner shell; 5. a groove; 6. a circuit board; 7. a liquid crystal display screen; 8. a port; 81. a bus loop interface; 82. a power interface; 9. a buzzer; 10. a sound expansion hole; 11. a clamping and connecting plate; 12. an arrow; 13. a display lamp; 14. and (5) hanging the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses display device of fire alarm system. Referring to fig. 1 and 2, the display device of the fire alarm system comprises a shell, wherein the shell comprises an upper cover part 2 and a base 3, an inner shell 4 is fixedly connected between the upper cover part 2 and the base 3, a groove 5 is formed in the end surface, close to the upper cover part 2, of the inner shell 4, a circuit board 6 is clamped between the inner shell 4 and the upper cover part 2, and the end surface, far away from the inner shell 4, of the circuit board 6 is electrically connected with a liquid crystal display screen 7; 3 parts of base set up to base 3, and upper cover part 2 includes upper cover 21 and glass piece 22, and upper cover 21 sets up in the terminal surface one side that circuit board 6 was kept away from to liquid crystal display 7, and liquid crystal display 7 is connected with upper cover 21 joint, and upper cover 21 is aimed at liquid crystal display 7 and is located to offer the window with 7 size adaptations of liquid crystal display, and glass piece 22 rigid coupling covers in window department at upper cover 21.
The circuits in the shell can be orderly arranged in the groove 5 of the inner shell 4, so that the circuits are not disorderly arranged in the shell any more, the maintenance of the interior of the fire alarm display device after an operator detaches the circuit next time is facilitated, and meanwhile, some potential safety hazards caused by crowded and disorderly circuits are reduced; liquid crystal display 7 can show the regional address number of condition of a fire, and the operating personnel of being convenient for reachs the place of affairs fast, makes corresponding technical measure to the condition of a fire very first time, and glass piece 22 neither influences the content that operating personnel observed liquid crystal display 7 and goes up the demonstration, also plays dustproof guard action to liquid crystal display 7 simultaneously, keeps liquid crystal display 7's demonstration definition.
Referring to fig. 2 and 3, a plurality of keys 23 with different functions are elastically arranged below the window of the upper cover 21, the keys 23 protrude out of the outer surface of the upper cover 21 away from the circuit board 6, icons corresponding to the functions are drawn on the outer surfaces of the keys 23, the keys 23 are all electrically connected with the circuit board 6, a plurality of display lamps 13 are arranged above the keys 23 of the upper cover 21, the display lamps 13 are respectively electrically connected with the keys 23, and status marks are arranged on the outer surface of the upper cover 21 at the positions of the display lamps 13; the lateral surface of the circuit board 6 is externally fixed with a buzzer 9 electrically connected with the circuit board 6 in an upper cover 21, and the upper cover 21 is provided with a sound expansion hole 10 penetrating through the buzzer 9.
The icon is convenient for a wiping worker to know the function of the key 23, and the display lamp 13 shows the current state of the fire alarm display device, so that the operator can quickly know whether the device works normally or abnormally and can repair the device in time; the buzzer 9 will sound when a fire disaster occurs, and the operator who is not in the device is reminded to look over by sound in time, and the sound expansion hole 10 prevents the upper cover 21 from covering the sound of the buzzer 9, so that the sound of the buzzer 9 is spread farther and louder.
Referring to fig. 2 and 3, a clamping plate 11 is disposed between the base 3 and the inner shell 4 at the horizontal section of the upper cover 21, a plurality of ports 8 are disposed on the base 3 in a penetrating manner, four ports 8 are disposed in the embodiment of the present application, two of the ports 8 are set as bus loop interfaces 81, and the other two ports 8 are set as power interfaces 82; the outer surface of the base 3 is also marked with arrows 12.
Referring to fig. 4, the base 3 is provided with a plurality of hanging grooves 14, the number of the hanging grooves 14 in the embodiment of the present application is four, two hanging grooves 14 are provided at the upper horizontal section of the base 3 close to the upper cover 21, and the other two hanging grooves 14 are provided at the lower horizontal section of the base 3 close to the upper cover 21.
The clamping plate 11 plays a certain supporting and clamping role for the inner shell 4, and meanwhile, the clamping plate 11 also plays a certain supporting role for the position, close to the key 23, of the circuit board 6, so that an operator can press the key 23 more easily, and the key 23 cannot sink into the shell easily; the power interface 82 is connected with a 24V power supply to supply power to the device, and the bus loop interface 81 is connected with a loop bus in the controller to realize linkage control so as to meet the alarm requirement in a wider range; the arrow 12 helps the operator to quickly and properly install the device in the direction of the arrow 12. the hanging slot 14 facilitates the operator's wall mounting of the device on a wall.
The display device of the fire alarm system in the embodiment of the application has the following implementation principle: at first with fire alarm device display through hanging 14 wall hanging on the wall body of groove, then insert the 24v power with fire alarm display device through port 8 and supply power and be connected with the controller communication, realize fire alarm on a large scale and show, the winding displacement of casing inside all can be accomodate in the recess 5 of advancing inner shell 4 in order, realize the regularity of inside winding displacement, the follow-up operating personnel's of being convenient for maintenance.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A display device of a fire alarm system is characterized in that: the flat cable connector comprises a shell, the casing includes upper cover part (2) and base (3) part, upper cover part (2) with be provided with inner shell (4) between base (3) part, inner shell (4) are close to the terminal surface of upper cover part (2) is provided with recess (5) that are used for placing the winding displacement, upper cover part (2) with be provided with circuit board (6) between inner shell (4), upper cover part (2) with be provided with between circuit board (6) with liquid crystal display (7) that circuit board (6) electricity is connected, a plurality of ports (8) have been seted up on base (3) part.
2. A display device of a fire alarm system according to claim 1, wherein: the upper cover component (2) comprises an upper cover (21) and a glass sheet (22), a window matched with the size of the liquid crystal display screen (7) is formed in the upper portion of the end face, far away from the inner shell (4), of the circuit board (6) of the upper cover component (21), and the glass sheet (22) is fixedly connected to the window of the upper cover (21) in a matched mode.
3. A display device of a fire alarm system according to claim 2, wherein: the base (3) component comprises a base (3) and a plurality of keys (23) electrically connected with the circuit board (6), the keys (23) are classified according to functions, function-related icons are drawn on the surfaces of the keys (23), and the keys (23) protrude out of the outer surface of the upper cover (21) far away from the circuit board (6).
4. A display device of a fire alarm system according to claim 1, wherein: the plurality of ports (8) includes a plurality of bus loop interfaces (81) and a plurality of power interfaces (82).
5. A display device of a fire alarm system according to claim 2, wherein: and a buzzer (9) which is connected with the circuit board (6) in a control way is arranged on the side of the circuit board (6) in the upper cover (21).
6. A display device of a fire alarm system according to claim 5, wherein: the end face of the shell close to the buzzer (9) is provided with a plurality of sound expansion holes (10) in a penetrating mode.
7. A display device of a fire alarm system according to claim 6, wherein: and clamping plates (11) are arranged at the end parts, close to the base (3), of the two horizontal sections of the upper cover (21).
8. A display device of a fire alarm system according to claim 3, wherein: the base (3) is marked with an arrow (12) with a correct installation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218253.1U CN214175605U (en) | 2021-01-26 | 2021-01-26 | Display device of fire alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218253.1U CN214175605U (en) | 2021-01-26 | 2021-01-26 | Display device of fire alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214175605U true CN214175605U (en) | 2021-09-10 |
Family
ID=77594103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120218253.1U Expired - Fee Related CN214175605U (en) | 2021-01-26 | 2021-01-26 | Display device of fire alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214175605U (en) |
-
2021
- 2021-01-26 CN CN202120218253.1U patent/CN214175605U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |