CN215599806U - Be used for power plant's fire extinguishing system alarm device to maintain device - Google Patents
Be used for power plant's fire extinguishing system alarm device to maintain device Download PDFInfo
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- CN215599806U CN215599806U CN202122436672.5U CN202122436672U CN215599806U CN 215599806 U CN215599806 U CN 215599806U CN 202122436672 U CN202122436672 U CN 202122436672U CN 215599806 U CN215599806 U CN 215599806U
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Abstract
The utility model discloses a maintenance device for an alarm facility of a fire protection system of a power plant, which relates to the technical field of fire protection early warning device manufacturing, and comprises a mounting plate, wherein a plurality of springs are arranged on the upper part of the mounting plate, the springs are distributed in a central symmetry mode about the central axis of the mounting plate, one ends of the springs, far away from the mounting plate, are provided with a circuit board, and the circuit board is provided with a first loudspeaker, a second loudspeaker, a positive thermistor and a negative thermistor; the mounting panel is equipped with the protection box, and the circuit board is wrapped up in completely to the protection box, and the rectangle through-hole has been seted up to four lateral walls of protection box, is equipped with first shutter in the rectangle through-hole. The utility model relates to a maintenance device for an alarm facility of a fire fighting system of a power plant, which has the functions of real-time monitoring and real-time early warning, can monitor the non-operation of equipment and the overload work of the equipment and is more convenient to use.
Description
Technical Field
The utility model relates to the technical field of water quality sampling devices, in particular to a maintenance device for an alarm facility of a fire protection system of a power plant.
Background
A power plant, also called a power station, is a factory that converts various primary energy sources stored in the nature into electric energy (secondary energy), and with the increase of electric power demand, people begin to propose an idea of establishing an electric power production center, the development of motor manufacturing technology, the expansion of electric energy application range, the demand of production on electricity, which increases rapidly, and the power plant follows the electric power production, and has multiple power generation ways: thermal power plants are called by thermal power generation, hydroelectric power plants are called by hydroelectric power generation, power plants are also called by solar energy, wind power and tide power generation, a large number of power facilities are designed in the power plants, safety maintenance needs to be awakened, and for some important facilities, a fire protection device needs to be additionally arranged to ensure normal use of equipment.
The existing power plant fire protection system facility maintenance device is additionally provided with a current monitoring device and a voltage monitoring device, and then transmits a monitoring data cylinder communication module to a monitoring system to judge whether the power plant equipment is damaged or not.
The existing maintenance device for the alarm facilities of the fire fighting system of the power plant cannot be used under the condition of network disconnection, and the existing maintenance device for the alarm facilities of the fire fighting system of the power plant cannot perform on-site early warning because the existing maintenance device needs to be uploaded to a computer system.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a maintenance device for an alarm facility of a fire fighting system of a power plant, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that: a maintenance device for an alarm facility of a fire protection system of a power plant comprises a mounting plate, wherein a plurality of springs are arranged on the upper portion of the mounting plate, the springs are symmetrically distributed about the center of the central axis of the mounting plate, a circuit board is arranged at one end, away from the mounting plate, of each spring, and a first loudspeaker, a second loudspeaker, a positive thermistor and a negative thermistor are arranged on the circuit board;
the mounting panel is equipped with the protection box, the circuit board is wrapped up completely to the protection box, the rectangle through-hole has been seted up to four lateral walls of protection box, be equipped with first shutter in the rectangle through-hole.
Preferably, the mounting panel corner is done the circular arc and is handled, and apex angle position department is equipped with first screw thread through-hole, first screw thread through-hole inner wall activity is equipped with the installation screw, is convenient for be equipped with equipment fixed mounting in required position through setting up the installation screw.
Preferably, the opposite face of protection box and circuit board is equipped with square through hole, the square through hole inner wall is equipped with the second shutter, through setting up first shutter and second shutter, ensures that the inside temperature of protection box is the same with power plant's facility temperature.
Preferably, the corner of the protection box is subjected to circular arc treatment, the side wall of the protection box is provided with a connecting block, and the protection box is fixedly connected with the mounting plate through the connecting block.
Preferably, the mounting panel is equipped with second screw thread through-hole, the connecting block is equipped with circular through-hole, circular through-hole with second screw thread through-hole position adapts to each other, circular through-hole inner wall activity is equipped with the set screw, set screw one end and second screw thread through-hole threaded connection, set screw mainly used are with protection box and mounting panel fixed connection.
Preferably, first loudspeaker with positive thermistor electric connection, the second loudspeaker with negative thermistor electric connection, positive thermistor temperature is higher resistance is big more, and the lower resistance of temperature is little less, and the electric current grow of first loudspeaker this moment reaches rated current, and first loudspeaker make a sound, and suggestion staff, equipment do not generate heat, appear not normally working, negative thermistor temperature is higher resistance is little more, and the lower resistance of temperature is big more, and the electric current grow of second loudspeaker when the temperature is high more reaches rated current, and the second loudspeaker makes a sound, and suggestion staff, equipment generate heat excessively, appears overload work, and first loudspeaker and second loudspeaker send different sounds.
Preferably, the circuit board is provided with a connector, one end of the connector is provided with a power line, one end of the power line is provided with a plug, the power line and the plug are connected with an external circuit, power is supplied to the first loudspeaker, the second loudspeaker, the positive thermistor and the negative thermistor, and normal work of the first loudspeaker, the second loudspeaker, the positive thermistor and the negative thermistor is guaranteed.
Preferably, the mounting panel lateral wall is equipped with total control switch, the mounting panel simultaneously is equipped with dampproofing board to the protection box back to, dampproofing board is equipped with supplementary through-hole, supplementary through-hole with first screw thread through-hole position suits, supplementary through-hole is passed to installation screw one end, and dampproofing board main function prevents that the installation department from crossing the tide, influences the normal work of equipment, and the material of dampproofing board is rubber.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through arranging the first loudspeaker, the second loudspeaker, the positive thermistor and the negative thermistor, the equipment is monitored in real time, the higher the temperature of the positive thermistor is, the larger the resistance is, when the lower the temperature is, the smaller the resistance is, the current of the first loudspeaker becomes larger, the rated current is reached, the first loudspeaker makes a sound to prompt a worker, the equipment does not generate heat, abnormal work occurs, the higher the temperature of the negative thermistor is, the smaller the resistance is, the lower the temperature is, the higher the resistance is, the current of the second loudspeaker becomes larger, the rated current is reached, the second loudspeaker makes a sound to prompt the worker, the equipment generates excessive heat, overload work occurs, and the alarm is used for real-time power plant fire protection system alarm.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an alarm maintenance device for a fire protection system of a power plant according to the present invention;
FIG. 2 is a schematic top view of an alarm maintenance device for a fire protection system of a power plant according to the present invention;
FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of an alarm maintenance device for a fire protection system of a power plant according to the present invention;
fig. 5 is a schematic view of the enlarged structure of the part B in fig. 1 according to the present invention.
In the figure: 1. mounting a plate; 2. a spring; 3. a circuit board; 4. a first horn; 5. a second horn; 6. a positive thermistor; 7. a negative thermistor; 8. mounting screws; 9. a protective case; 10. a first louver; 11. a second louver; 12. connecting blocks; 13. fixing screws; 14. a joint; 15. a power line; 16. a plug; 17. a master control switch; 18. a moisture-proof plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model relates to a maintenance device for an alarm facility of a fire protection system of a power plant, which comprises a mounting plate 1, wherein the upper part of the mounting plate 1 is provided with a plurality of springs 2, the springs 2 are symmetrically distributed around the central axis of the mounting plate 1, one end of each spring 2, which is far away from the mounting plate 1, is provided with a circuit board 3, and the circuit board 3 is provided with a first loudspeaker 4, a second loudspeaker 5, a positive thermistor 6 and a negative thermistor 7;
the mounting panel 1 is equipped with protection box 9, and protection box 9 wraps up circuit board 3 completely, and the rectangle through-hole has been seted up to four lateral walls of protection box 9, is equipped with first shutter 10 in the rectangle through-hole.
Wherein, the 1 corner of mounting panel is done the circular arc and is handled, and apex angle position department is equipped with first screw thread through-hole, and first screw thread through-hole inner wall activity is equipped with mounting screw 8, is convenient for fix the installation at required position with equipment through setting up mounting screw 8.
Wherein, protection box 9 is equipped with square through hole with circuit board 3 opposite face, and the square through hole inner wall is equipped with second shutter 11, through setting up first shutter 10 and second shutter 11, ensures that the inside temperature of protection box 9 is the same with the power plant facility temperature.
Wherein, the corner of the protection box 9 is processed by arc, and the side wall of the protection box 9 is provided with a connecting block 12, and the protection box 9 is fixedly connected with the mounting plate 1 by arranging the connecting block 12.
Wherein, mounting panel 1 is equipped with second screw thread through-hole, and connecting block 12 is equipped with circular through-hole, and circular through-hole and second screw thread through-hole position mutually adapted, circular through-hole inner wall activity are equipped with fixed screw 13, and fixed screw 13 one end and second screw thread through-hole threaded connection, fixed screw 13 mainly used are with protection box 9 and mounting panel 1 fixed connection.
Wherein, first loudspeaker 4 and positive thermistor 6 electric connection, second loudspeaker 5 and negative thermistor 7 electric connection, positive thermistor 6 temperature is higher the resistance is bigger, the lower resistance of temperature is smaller, the electric current grow of first loudspeaker 4 this moment, reach rated current, first loudspeaker 4 makes a sound, suggestion staff, equipment does not produce heat, it is unusual to appear working, negative thermistor 7 temperature is higher the resistance is smaller, the lower resistance of temperature is bigger, the electric current grow of second loudspeaker 5 when the temperature is higher, reach rated current, second loudspeaker 5 makes a sound, suggestion staff, equipment heat production is too much, overload work appears, first loudspeaker 4 and second loudspeaker 5 make different sounds.
The circuit board 3 is provided with a connector 14, one end of the connector 14 is provided with a power line 15, one end of the power line 15 is provided with a plug 16, the power line 15 and the plug 16 are connected with an external circuit, power is supplied to the first loudspeaker 4, the second loudspeaker 5, the positive thermistor 6 and the negative thermistor 7, and normal work of the first loudspeaker 4, the second loudspeaker 5, the positive thermistor 6 and the negative thermistor 7 is guaranteed.
Wherein, 1 lateral wall of mounting panel is equipped with total control switch 17, and 1 one side of mounting panel is equipped with dampproofing board 18 back to protection box 9, and dampproofing board 18 is equipped with supplementary through-hole, and supplementary through-hole suits with first screw thread through-hole position, and supplementary through-hole is passed to 8 one ends of installation screw, and dampproofing board 18 primary function prevents that the installation department from crossing the tide, influences the normal work of equipment, and the material of dampproofing board 18 is rubber.
The working principle of the utility model is as follows: referring to fig. 1-5, the utility model is a maintenance device for an alarm facility of a fire protection system of a power plant, which is characterized in that firstly, a device is conveniently and fixedly installed at a required position through an installation screw 8, then the device is connected with an external circuit through a power line 15 and a plug 16 to supply power to a first loudspeaker 4, a second loudspeaker 5, a positive thermistor 6 and a negative thermistor 7, a master control switch 17 is pressed to monitor the device in real time, the higher the temperature of the positive thermistor 6 is, the larger the resistance is, the lower the temperature is, the smaller the resistance is, the larger the current of the first loudspeaker 4 is, the rated current is reached, the first loudspeaker 4 makes a sound to prompt a worker, the device does not generate heat, the abnormal work occurs, the higher the temperature of the negative thermistor 7 is, the lower the resistance is, the higher the temperature is, the higher the current of the second loudspeaker 5 is increased when the temperature is higher, the rated current is reached, and the second loudspeaker 5 makes a sound, the warning staff, the equipment excessive heat production appears overload work, is used for the fire extinguishing system of real-time power plant to report to the police.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a be used for power plant's fire extinguishing system alarm device to maintain device which characterized in that: the spring mounting structure comprises a mounting plate (1), wherein a plurality of springs (2) are arranged on the upper portion of the mounting plate (1), the springs (2) are symmetrically distributed about the center of the central axis of the mounting plate (1), a circuit board (3) is arranged at one end, far away from the mounting plate (1), of each spring (2), and a first loudspeaker (4), a second loudspeaker (5), a positive thermistor (6) and a negative thermistor (7) are arranged on each circuit board (3);
the mounting panel (1) is equipped with protection box (9), protection box (9) wraps up circuit board (3) completely, the rectangle through-hole has been seted up to four lateral walls of protection box (9), be equipped with first shutter (10) in the rectangle through-hole.
2. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 1, wherein: circular arc processing is done to mounting panel (1) corner, and apex angle position department is equipped with first screw thread through-hole, first screw thread through-hole inner wall activity is equipped with mounting screw (8).
3. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 1, wherein: the opposite surfaces of the protection box (9) and the circuit board (3) are provided with square through holes, and the inner walls of the square through holes are provided with second shutters (11).
4. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 1, wherein: the corner of the protection box (9) is subjected to arc treatment, and the side wall of the protection box (9) is provided with a connecting block (12).
5. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 4, wherein: mounting panel (1) is equipped with second screw thread through-hole, connecting block (12) are equipped with circular through-hole, circular through-hole with second screw thread through-hole position adapts to each other, circular through-hole inner wall activity is equipped with fixed screw (13), fixed screw (13) one end and second screw thread through-hole threaded connection.
6. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 1, wherein: the first loudspeaker (4) is electrically connected with the positive thermistor (6), and the second loudspeaker (5) is electrically connected with the negative thermistor (7).
7. The maintenance device for the alarm facility of the fire fighting system of the power plant as set forth in claim 1, wherein: the circuit board (3) is provided with a connector (14), one end of the connector (14) is provided with a power line (15), and one end of the power line (15) is provided with a plug (16).
8. The power plant fire protection system alarm maintenance device of claim 2, wherein: mounting panel (1) lateral wall is equipped with total control switch (17), mounting panel (1) is equipped with dampproofing board (18) to protection box (9) one side back, dampproofing board (18) are equipped with supplementary through-hole, supplementary through-hole with first screw thread through-hole position suits, supplementary through-hole is passed to installation screw (8) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436672.5U CN215599806U (en) | 2021-10-11 | 2021-10-11 | Be used for power plant's fire extinguishing system alarm device to maintain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436672.5U CN215599806U (en) | 2021-10-11 | 2021-10-11 | Be used for power plant's fire extinguishing system alarm device to maintain device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599806U true CN215599806U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122436672.5U Active CN215599806U (en) | 2021-10-11 | 2021-10-11 | Be used for power plant's fire extinguishing system alarm device to maintain device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215599806U (en) |
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2021
- 2021-10-11 CN CN202122436672.5U patent/CN215599806U/en active Active
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