CN217380665U - High-temperature alarm device for subcritical coal-fired unit - Google Patents
High-temperature alarm device for subcritical coal-fired unit Download PDFInfo
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- CN217380665U CN217380665U CN202221224285.3U CN202221224285U CN217380665U CN 217380665 U CN217380665 U CN 217380665U CN 202221224285 U CN202221224285 U CN 202221224285U CN 217380665 U CN217380665 U CN 217380665U
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Abstract
The utility model discloses a subcritical coal-fired unit uses high temperature alarm device relates to the high temperature alarm device field. The high-temperature alarm device for the subcritical coal-fired unit comprises a mounting assembly, wherein the mounting assembly comprises a connecting frame, a fixing frame is arranged above the connecting frame, a fixing frame is arranged on the outer side of the fixing frame, and a heat insulation plate is arranged on the outer side of the fixing frame; the monitoring assembly comprises a bottom plate, the bottom plate is installed at the top of the heat insulation plate, a temperature sensor is arranged on the bottom plate and close to the center, a mounting frame is arranged above the bottom plate, and a controller is installed at the top of the mounting frame. This subcritical coal-fired unit uses high temperature alarm device through being provided with heat insulating board, radiator fan and protecting crust etc. can insulate against heat the heat dissipation to the monitoring subassembly in the monitoring process, and the convenient monitoring subassembly monitors the warning to the temperature in the subcritical coal-fired unit pipeline to extension high temperature alarm device life.
Description
Technical Field
The utility model relates to a high temperature alarm device technical field specifically is a subcritical coal-fired unit uses high temperature alarm device.
Background
The subcritical coal-fired unit is a generator set which adopts coal as fuel and has the steam pressure at the outlet of a boiler of 14-22.2 MPa.
In the use process of the subcritical coal-fired unit, in order to timely cool the inside of the subcritical coal-fired unit and ensure the safety of the subcritical coal-fired unit in use, a high-temperature alarm device is usually adopted to monitor the temperature of steam at the outlet of the subcritical coal-fired unit.
The temperature of outlet steam of the subcritical coal-fired unit is up to 600 ℃, the existing high-temperature alarm device is lack of a heat insulation and radiation device in the using process, and in the monitoring and alarming process, electronic elements in the high-temperature alarm device are easily affected by high-temperature steam, so that the electronic elements are rapidly aged, and the service life of the high-temperature alarm device is shortened.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the deficiency of the prior art, the utility model discloses a subcritical coal-fired unit uses high temperature alarm device to the problem that the high temperature alarm device who provides lacks thermal-insulated heat abstractor in solving above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high temperature alarm device for a subcritical coal-fired unit comprises:
the mounting assembly comprises a connecting frame, a fixing frame is arranged above the connecting frame, a fixing frame is arranged on the outer side of the fixing frame, and a heat insulation plate is arranged on the outer side of the fixing frame;
the monitoring subassembly, the monitoring subassembly sets up the top at the mount, the monitoring subassembly includes the bottom plate, the bottom plate is installed at the top of heat insulating board, just be close to center department on the bottom plate and be provided with temperature sensor, temperature sensor runs through the bottom plate, and extends to the below of bottom plate, the top of bottom plate is provided with the mounting bracket, the controller is installed at the top of mounting bracket.
Preferably, a monitoring pipe is arranged on the fixing frame and positioned outside the temperature sensor.
Preferably, the outside of heat insulating board and be close to the edge and be provided with warning light area, on the lateral wall of heat insulating board left and right sides, and be close to top department and be provided with the alarm.
Preferably, a connecting ring is arranged at the bottom of the bottom plate and outside the temperature sensor, and the connecting ring is in clamping fit with the monitoring pipe.
Preferably, the bottom of the mounting rack is provided with a plurality of uniformly distributed radiating fins.
Preferably, the top of bottom plate and be close to left and right sides edge and all install radiator fan.
Preferably, the outside of bottom plate is equipped with the protecting crust, the installing port that links to each other with the controller is seted up at the top of protecting crust, it is open structure just to be close to radiator fan department on the lateral wall of the protecting crust left and right sides, the protection network is all installed to the left and right sides of protecting crust, the thermovent of array distribution is all seted up to both sides around the protecting crust.
The utility model discloses a subcritical coal-fired unit uses high temperature alarm device, its beneficial effect who possesses as follows:
1. this subcritical coal-fired unit uses high temperature alarm device, through being provided with the heat insulating board, radiator fan and protecting crust etc., the heat insulating board adopts glass fiber material to constitute, good heat-proof quality has, can effectively keep apart the temperature between high temperature alarm device and subcritical coal-fired unit pipeline, simultaneously, monitoring in-process, make radiator fan operation can drive the inside air flow of protecting crust, and make the inside air strong convection of protecting crust, thereby make the fin dispel the heat to the controller fast, guarantee that the controller can normally operate.
2. This subcritical coal-fired unit uses high temperature alarm device, through being provided with the monitoring pipe, warning light area and alarm etc, monitoring in-process is being carried out, the monitoring pipe can form airtight space in the outside of subcritical coal-fired unit pipeline, protect temperature sensor, and avoid outside air flow to influence temperature sensor's measurement accuracy, when reaching alarm temperature, steerable warning light area of controller and alarm operation, make warning light area send the flashing light, make the alarm send the chimes of doom, thereby make things convenient for the staff in time to discover unusually.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of the fixing frame of the present invention;
FIG. 4 is a schematic view of the bottom plate structure of the present invention;
fig. 5 is a schematic view of the protective shell structure of the present invention.
In the figure: 1. a connecting frame; 11. a fixing frame; 12. a fixed mount; 121. monitoring the pipe; 13. a heat insulation plate; 14. a warning lamp strip; 15. an alarm; 2. a base plate; 21. a temperature sensor; 211. a connecting ring; 22. a mounting frame; 221. a heat sink; 23. a controller; 24. a heat radiation fan; 25. a protective shell; 251. an installation port; 252. a protective net; 253. and a heat dissipation port.
Detailed Description
The embodiment of the utility model discloses subcritical coal-fired unit uses high temperature alarm device.
According to the attached drawings 1-2, the mounting assembly comprises a connecting frame 1, a fixing frame 11 is arranged above the connecting frame 1, the connecting frame 1 and the fixing frame 11 are mounted on the outer side of a subcritical coal-fired unit pipeline through bolts, and a fixing frame 12 is fixedly welded on the outer side of the fixing frame 11;
the monitoring subassembly, the monitoring subassembly sets up in the top of mount 12, and the monitoring subassembly includes bottom plate 2, and bottom plate 2 is installed at the top of heat insulating board 13, and bottom plate 2 is last and be close to center department and be provided with temperature sensor 21, and temperature sensor 21 runs through bottom plate 2, and extends to the below of bottom plate 2, and bolt fixedly connected with mounting bracket 22 is passed through to the top of bottom plate 2, and controller 23 is installed at mounting bracket 22's top.
According to the illustration in fig. 3, the monitoring pipe 121 is disposed on the fixing frame 12 and outside the temperature sensor 21, and a closed space can be formed outside the subcritical coal-fired unit pipeline through the monitoring pipe 121 to protect the temperature sensor 21 and prevent the measurement accuracy of the temperature sensor 21 from being affected by the flow of outside air.
The outside of mount 12 is provided with heat insulating board 13, and heat insulating board 13 adopts glass fiber material to constitute, and glass fiber coefficient of heat conductivity is less, has good heat-proof quality, makes heat insulating board 13 effectively insulate against heat in the outside of mount 12, avoids the internal component such as warning light area 14, alarm 15 and controller 23 to receive high temperature to influence and damage, and then conveniently monitors the warning to the inside temperature of subcritical coal-fired unit.
The outside of heat insulating board 13 and be provided with warning light area 14 near the edge, on the lateral wall of the 13 left and right sides of heat insulating board, and be provided with alarm 15 near top department, warning light area 14 and alarm 15 are all through circuit and 23 electric connection of controller, when reaching alarm temperature, the operation of steerable warning light area 14 and alarm 15 of controller 23 makes warning light area 14 send out flicker light, makes alarm 15 send the chimes of doom to make things convenient for the staff in time to discover unusually.
According to the attached drawings 4-5, the bottom of the bottom plate 2 and the outer side of the temperature sensor 21 are provided with the connecting ring 211, the connecting ring 211 is in clamping fit with the monitoring pipe 121, the temperature sensor 21 is a non-contact temperature sensor, and the temperature change inside the pipeline of the subcritical coal-fired unit can be monitored through the temperature sensor 21.
The bottom of the mounting frame 22 is provided with a plurality of uniformly distributed radiating fins 221, the mounting frame 22 can guide heat at the bottom of the controller 23 and diffuse the heat to the radiating fins 221, and the controller 23 can be rapidly radiated through the radiating fins 221, so that the operation of the controller 23 is facilitated.
The outside of bottom plate 2 is equipped with protecting crust 25, and the installing port 251 that links to each other with controller 23 is seted up at the top of protecting crust 25, and installing port 251 and controller 23 joint cooperation can make the display screen and the control button setting of controller 23 in the top of protecting crust 25 to conveniently operate controller 23
The opening structure is arranged on the side wall of the left side and the right side of the protective shell 25 and close to the cooling fan 24, the protective net 252 is installed on the left side and the right side of the protective shell 25, the cooling fan 24 can be protected through the protective net 252, collision with other sundries is avoided in the rotation process of the cooling fan 24, the heat dissipation ports 253 distributed in an array mode are all arranged on the front side and the rear side of the protective shell 25, the air inside the protective shell 25 can flow through the heat dissipation ports 253, and hot air inside the protective shell 25 can be conveniently discharged.
The working principle is as follows: when the installation is carried out, firstly, the connecting frame 1 is moved to the lower part of the subcritical coal-fired unit pipeline, the fixing frame 11 is moved to the upper part of the pipeline, the connecting frame 1 and the fixing frame 11 are installed on the outer side of the subcritical coal-fired unit pipeline through bolts, then, the bottom plate 2 is installed above the heat insulation plate 13, the temperature sensor 21 extends to the inner side of the monitoring pipe 121, then, the controller 23 is installed on the installation frame 22, the heat radiation fans 24 are installed at the left end and the right end of the bottom plate 2, and finally, the protective shell 25 is installed on the outer side of the bottom plate 2, so that the installation of the high-temperature alarm device is completed;
when monitoring and alarming are carried out, firstly, the controller 23 sets an alarming temperature, then the temperature sensor 21 monitors the temperature inside the pipeline of the subcritical coal-fired unit at the inner side of the monitoring pipe 121, the controller 23 controls the temperature sensor 21, and when the alarming temperature is reached, the controller 23 can control the operation of the warning lamp strip 14 and the alarm 15, so that the warning lamp strip 14 emits flashing light, and the alarm 15 emits alarming sound, thereby facilitating the workers to find abnormality in time;
in the monitoring process, firstly, the thermal insulation board 13 is thermally insulated outside the fixing frame 12, so as to prevent internal elements such as the warning light strip 14, the alarm 15 and the controller 23 from being damaged due to high temperature, then, the controller 23 controls the operation of the cooling fan 24 to drive the air inside the protective shell 25 to flow, so that the cooling fins 221 are rapidly cooled, the controller 23 is cooled, and then, hot air is discharged from the protective shell 25 through the cooling port 253, so that the controller 23 is convenient to operate.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a subcritical coal-fired unit uses high temperature alarm device which characterized in that, includes installation component and the monitoring subassembly of monitoring the temperature:
the mounting assembly comprises a connecting frame (1), a fixing frame (11) is arranged above the connecting frame (1), a fixing frame (12) is arranged on the outer side of the fixing frame (11), and a heat insulation plate (13) is arranged on the outer side of the fixing frame (12);
the monitoring subassembly, the monitoring subassembly sets up the top at mount (12), the monitoring subassembly includes bottom plate (2), the top at heat insulating board (13) is installed in bottom plate (2), bottom plate (2) are gone up and are close to center department and be provided with temperature sensor (21), temperature sensor (21) run through bottom plate (2), and extend to the below of bottom plate (2), the top of bottom plate (2) is provided with mounting bracket (22), controller (23) are installed at the top of mounting bracket (22).
2. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: and a monitoring pipe (121) is arranged on the fixed frame (12) and positioned at the outer side of the temperature sensor (21).
3. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: the warning lamp strip (14) is arranged on the outer side of the heat insulation plate (13) and close to the edge, and an alarm (15) is arranged on the side walls of the left side and the right side of the heat insulation plate (13) and close to the top end.
4. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: the bottom of bottom plate (2) just is located the outside of temperature sensor (21) and is provided with go-between (211), go-between (211) and monitoring pipe (121) joint cooperation.
5. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: the bottom of the mounting rack (22) is provided with a plurality of radiating fins (221) which are uniformly distributed.
6. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: and the top of the bottom plate (2) is provided with a heat radiation fan (24) close to the edges of the left side and the right side.
7. The subcritical coal-fired unit use high-temperature alarm device according to claim 1, characterized in that: the outside of bottom plate (2) is equipped with protecting crust (25), installing port (251) that link to each other with controller (23) are seted up at the top of protecting crust (25), just be close to radiator fan (24) and locate for open structure on the lateral wall of protecting crust (25) the left and right sides, protection network (252) are all installed to the left and right sides of protecting crust (25), thermovent (253) that the array distributes are all seted up to both sides around protecting crust (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221224285.3U CN217380665U (en) | 2022-05-20 | 2022-05-20 | High-temperature alarm device for subcritical coal-fired unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221224285.3U CN217380665U (en) | 2022-05-20 | 2022-05-20 | High-temperature alarm device for subcritical coal-fired unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217380665U true CN217380665U (en) | 2022-09-06 |
Family
ID=83088218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221224285.3U Active CN217380665U (en) | 2022-05-20 | 2022-05-20 | High-temperature alarm device for subcritical coal-fired unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217380665U (en) |
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2022
- 2022-05-20 CN CN202221224285.3U patent/CN217380665U/en active Active
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