CN214471365U - Temperature monitoring and alarming system for junction box of motor of hydropower station - Google Patents
Temperature monitoring and alarming system for junction box of motor of hydropower station Download PDFInfo
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- CN214471365U CN214471365U CN202121035995.7U CN202121035995U CN214471365U CN 214471365 U CN214471365 U CN 214471365U CN 202121035995 U CN202121035995 U CN 202121035995U CN 214471365 U CN214471365 U CN 214471365U
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- junction box
- module
- motor
- temperature sensor
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a temperature monitoring and alarming system for a junction box of a hydropower station motor, which comprises a plurality of wireless temperature sensors and a centralized receiving and displaying device; the wireless temperature sensor is connected with the centralized receiving and displaying device; the passive wireless temperature sensor is arranged in the motor junction box, and the centralized receiving and displaying device is provided with a communication interface for connecting the public LCU. The utility model discloses can a plurality of motor terminal box temperature data of long-range wireless monitoring, the fortune dimension personnel of being convenient for patrol and examine, in time discover the terminal box defect and fix a position fast.
Description
Technical Field
The utility model relates to a terminal box monitoring technology field especially relates to power station motor terminal box temperature monitoring alarm system.
Background
Various low-voltage motors for plants in a hydropower station are more, the operating current of the low-voltage motors can reach hundreds of amperes, and a motor junction box usually generates heat seriously to cause the burning of the junction box and a cable when passing large current for a long time due to the loosening of bolts, the defects of a wire nose manufacturing process, the oxidation of a conductive part and the like, so that great hidden troubles are caused for the safe and stable operation of power plant equipment. At present, the motor junction box is mostly made of cast iron, the internal condition of the junction box cannot be visually checked, and infrared temperature measurement inspection is not convenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a temperature monitoring and alarming system for a junction box of a hydropower station motor, which comprises a plurality of wireless temperature sensors and a centralized receiving and displaying device; the wireless temperature sensor is connected with the centralized receiving and displaying device; the wireless temperature sensor is arranged in the motor junction box, and the centralized receiving and displaying device is provided with a communication interface for connecting a public LCU.
Preferably, the centralized receiving and displaying device comprises a wireless data receiving module, a controller, a display, a clock module and a key input unit; the passive wireless temperature sensor is connected with the controller through the wireless data receiving module; the controller is connected with the wireless data receiving module, the display, the clock module and the key input unit.
Preferably, the wireless data receiving module comprises a WiFi module and a 4G network module; the controller is connected with the WiFi module and the 4G network module.
Preferably, the communication interface comprises an RS485 module and an ethernet interface.
Preferably, the wireless temperature sensor is an ETS-MICR type passive wireless temperature sensor.
Preferably, the motor junction box is transparent and is an organic glass motor junction box.
The beneficial effects of the utility model reside in that: the utility model discloses can a plurality of motor terminal box temperature data of long-range wireless monitoring, the fortune dimension personnel of being convenient for patrol and examine, in time discover the terminal box defect and fix a position fast.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic diagram of a centralized reception display apparatus;
fig. 3 is an installation schematic diagram of the present invention.
In the figure: m-a hydropower station motor; h-motor junction box.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached figure 1, the utility model discloses a hydropower station motor junction box temperature monitoring alarm system, which comprises a plurality of wireless temperature sensors and a centralized receiving and displaying device; the wireless temperature sensor is connected with the centralized receiving and displaying device; the wireless temperature sensor is arranged in the motor junction box, and the centralized receiving and displaying device is provided with a communication interface for connecting a public LCU.
Preferably, the centralized receiving and displaying device comprises a wireless data receiving module, a controller, a display, a clock module and a key input unit; the passive wireless temperature sensor is connected with the controller through the wireless data receiving module; the controller is connected with the wireless data receiving module, the display, the clock module and the key input unit.
Preferably, the wireless data receiving module comprises a WiFi module and a 4G network module; the controller is connected with the WiFi module and the 4G network module.
Preferably, the communication interface comprises an RS485 module and an ethernet interface.
Preferably, the wireless temperature sensor is an ETS-MICR type passive wireless temperature sensor.
Preferably, the motor junction box is transparent and is an organic glass motor junction box.
The utility model discloses a transparent motor terminal box of organic glass preparation, the fortune dimension personnel of being convenient for daily patrol and examine. Meanwhile, a wireless temperature sensor is arranged in the junction box, and an intelligent monitoring device is arranged in the plant to collect and monitor temperature data of each junction box in real time. The controller sets the temperature more-changing and high-limit values, so that more-changing temperature alarming and high-temperature alarming are realized, operation and maintenance personnel can conveniently patrol and examine the junction box, and the defects of the junction box can be found in time.
As shown in fig. 2, the centralized receiving and displaying device includes a WiFi module, a 4G network module, a controller, a display, a clock module, and a key input unit; the device is provided with 5 cun liquid crystal display panel and shows, possesses the human-computer interaction interface, possesses button, operation warning indicator lamp, antenna etc. can dispose temperature upper limit warning definite value, temperature upper limit warning definite value etc. and contain 300 measurement stations, and communication interface is various, contains RS485 module, WIFI module, ethernet interface, 4G module.
The passive wireless temperature sensor is in wireless communication with the centralized receiving and displaying device.
The passive wireless temperature sensor adopts an ETS-MICR type passive wireless temperature sensor, has the characteristic of small size, is 24.3 multiplied by 21.3 multiplied by 8.3mm in length multiplied by width multiplied by thickness, and is convenient to fix in a junction box. The sensor can collect electromagnetic energy around the lead to supply power for the body, an external power supply is not needed, the signal transmission distance can reach 100 meters, and the transmission distance is long.
Configuring an upper limit alarm fixed value by the centralized receiving display device, setting a temperature upper limit alarm fixed value, giving an alarm when the temperature exceeds the value, and resetting the alarm when the temperature is lower than the value; configuring an upper limit alarm fixed value, setting an upper limit alarm fixed value of temperature, alarming when the temperature exceeds the value, and resetting the alarm when the temperature is lower than the value; if the more change alarm constant value is configured, the more change alarm is carried out when the temperature of the measuring point is 30 ℃ higher than the temperature of the reference point (room temperature), or the temperature change is more than 10 ℃ within 5 minutes.
As shown in the accompanying drawing 3 the utility model discloses an installation schematic diagram, motor terminal box adopt the motor terminal box that transparent organic glass material processing preparation formed, and the sensor is installed inside each motor transparent terminal box, concentrates receiving display device to install on the hydraulic turbine layer, and each passive wireless temperature sensor sets up in the motor terminal box of linear distance within the 100 meters scope with concentrating receiving display device.
The centralized receiving and displaying device configures names of the motor junction boxes installed with the passive wireless temperature sensors according to the addresses of the passive wireless temperature sensors, such as: 1F unit 1# technique water supply pump can fix a position the fault point fast.
The utility model discloses can a plurality of motor terminal box temperature data of long-range wireless monitoring, the fortune dimension personnel of being convenient for patrol and examine, in time discover the terminal box defect and fix a position fast.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (6)
1. The temperature monitoring and alarming system of the junction box of the motor of the hydropower station is characterized by comprising a plurality of wireless temperature sensors and a centralized receiving and displaying device; the wireless temperature sensor is connected with the centralized receiving and displaying device; the wireless temperature sensor is arranged in the motor junction box, and the centralized receiving and displaying device is provided with a communication interface for connecting a public LCU.
2. The system according to claim 1, wherein the centralized receiving and displaying device comprises a wireless data receiving module, a controller, a display, a clock module and a key input unit; the passive wireless temperature sensor is connected with the controller through the wireless data receiving module; the controller is connected with the wireless data receiving module, the display, the clock module and the key input unit.
3. The system of claim 2, wherein the wireless data receiving module comprises a WiFi module and a 4G network module; the controller is connected with the WiFi module and the 4G network module.
4. The system of claim 1, wherein the communication interface comprises an RS485 module and an ethernet interface.
5. The system of claim 1, wherein the wireless temperature sensor is an ETS-MICR type passive wireless temperature sensor.
6. The hydropower station motor junction box temperature monitoring and alarming system according to claim 1, wherein the motor junction box is transparent and is an organic glass motor junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035995.7U CN214471365U (en) | 2021-05-14 | 2021-05-14 | Temperature monitoring and alarming system for junction box of motor of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121035995.7U CN214471365U (en) | 2021-05-14 | 2021-05-14 | Temperature monitoring and alarming system for junction box of motor of hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214471365U true CN214471365U (en) | 2021-10-22 |
Family
ID=78181118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121035995.7U Withdrawn - After Issue CN214471365U (en) | 2021-05-14 | 2021-05-14 | Temperature monitoring and alarming system for junction box of motor of hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214471365U (en) |
-
2021
- 2021-05-14 CN CN202121035995.7U patent/CN214471365U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211022 Effective date of abandoning: 20240320 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211022 Effective date of abandoning: 20240320 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |