CN211291810U - Outdoor cable distribution box cable joint temperature acquisition device - Google Patents
Outdoor cable distribution box cable joint temperature acquisition device Download PDFInfo
- Publication number
- CN211291810U CN211291810U CN202021124461.7U CN202021124461U CN211291810U CN 211291810 U CN211291810 U CN 211291810U CN 202021124461 U CN202021124461 U CN 202021124461U CN 211291810 U CN211291810 U CN 211291810U
- Authority
- CN
- China
- Prior art keywords
- temperature measurement
- wireless
- acquisition device
- wireless temperature
- distribution box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides an outdoor cable distribution box cable joint temperature acquisition device, characterized by includes the acquisition device shell, and the acquisition device shell includes wireless temperature measurement base, wireless temperature measurement apron, wireless temperature measurement metal crate, wireless temperature measurement drive plate, wireless temperature measurement shield cover and wireless temperature measurement antenna, is equipped with the PCB circuit board in the acquisition device shell, be equipped with coil induction on the PCB circuit board and get electric module, steady voltage LDO module, voltage detection chip, MCU treater, 433Mhz wireless transmitting circuit, digital temperature sensor. The utility model discloses to combine the structure of outdoor cable distribution box, describe a section and be applicable to cable joint's temperature monitoring device, possess the function of uploading display terminal through wireless communication mode with temperature information, the maintainer can suitably adjust maintenance plan and scheme according to the temperature variation condition to can master the in service behavior of equipment in real time, realized the demand of intelligent development, also be the important component part of electric power thing networking development.
Description
Technical Field
The utility model relates to a drawer cabinet contact temperature acquisition device, specifically speaking are outdoor cable distribution box cable joint temperature acquisition device.
Background
The DFW-12/630 outdoor cable distribution box is widely applied to distribution networks of urban industrial parks, residential districts, business centers, mining areas, large enterprises such as steel, automobiles, petrochemical industry and cement, underground facilities and other places, is particularly applicable to urban power grid transformation engineering, can greatly save the investment of equipment and cables, and improves the power supply reliability.
The cable joint part of the DFW-12/630 outdoor cable distribution box abnormally releases heat due to aging, oxidation or poor contact and the like, particularly, the joint part is oxidized more quickly under the condition of large current, and the heating part of the cable joint cannot be timely and effectively detected in real time due to the strong structural sealing property of the distribution box, so that the joint is fused along with the accumulation of time, and serious consequences such as electrical fire and the like are possibly caused. However, the temperature acquisition monitoring is not carried out on the DFW-12/630 outdoor cable distribution box joint in the market at present, and in view of the above situation, a temperature acquisition device at the cable joint is proposed.
SUMMERY OF THE UTILITY MODEL
Aiming at the requirement that real-time detection cannot be timely and effectively carried out on a heating part of a cable joint in the current market application scene, the cable joint temperature acquisition device of the outdoor cable distribution box is provided.
A cable joint temperature acquisition device of an outdoor cable distribution box is characterized by comprising an acquisition device shell, wherein the acquisition device shell comprises a wireless temperature measurement base 1, a wireless temperature measurement cover plate 2, a wireless temperature measurement metal frame 3, a wireless temperature measurement drive plate 4, a wireless temperature measurement shielding cover 5 and a wireless temperature measurement antenna 6, the wireless temperature measurement cover plate 2 is arranged on the front side of the wireless temperature measurement base 1, and the wireless temperature measurement metal frame 3, the wireless temperature measurement drive plate 4, the wireless temperature measurement shielding cover 5 and the wireless temperature measurement antenna 6 are arranged inside the wireless temperature measurement base 1; a PCB circuit board is arranged in the shell of the acquisition device, and a coil induction power taking module, a voltage stabilization LDO module, a voltage detection chip, an MCU (microprogrammed control unit) processor, a 433Mhz wireless transmitting circuit and a digital temperature sensor are arranged on the PCB circuit board; digital temperature sensor, steady voltage LDO module and 433Mhz wireless transmitting circuit are connected with the MCU treater respectively, and steady voltage LDO module still gets the electricity module through the coil induction and is connected with digital temperature sensor.
The temperature measuring range of the digital temperature sensor is-15 ℃ to +125 ℃, and the temperature detection error is not more than +/-2 ℃.
The MCU processor model is CC1310F128 RSM.
The model of the voltage detection chip is XC61CC3602 NR.
Fixing the collection system at the cable joint with permalloy belt, getting electricity through electromagnetic induction and obtaining 5.5V voltage after the rectification, after detecting 5.5V by the detection chip, LDO will stabilize voltage and export 2.7V voltage and give MCU treater, MCU treater and radio frequency emission data integration together, 5.5V voltage also can be given for temperature sensor and carry out the collection work this moment. The MCU processor is responsible for collecting temperature sensor data, and by sending the temperature data once at regular time, a plurality of radio frequencies transmit data signals at different times, so that each signal can be transmitted to the display terminal.
Electromagnetic energy induction gets electricity and changes alternating voltage into 5.5V direct current voltage through rectifier circuit, and after power detects chip XC61CC3602NR detected 5.5V voltage, the work of notification LDO, LDO dropped 5.5V to 2.7V and gave MCU, and 5.5V carried out temperature acquisition for digital temperature sensor simultaneously, and MCU CC1310F128RSM gathers temperature sensor data, passes to display terminal through RF433 radio frequency.
Utility model's beneficial effect:
as the utility model discloses an outdoor cable distribution box cable joint temperature acquisition device, because the measurement station quantity is more, temperature measuring device adopts low-cost digital temperature sensor chip, and the temperature measurement range of the temperature measurement chip of this model is-15 ℃ - +125 ℃, and the temperature detection error is not more than + -2 ℃. The utility model discloses a CC1310F128RSM product is chooseed for use to the MCU treater, possesses the characteristics that low-power consumption, interface are abundant, the performance is excellent. The wireless communication frequency adopts 433Mhz, and voltage detection chip XC61CC3602NR is a high-precision low-power consumption voltage detection chip, detects 5.5V voltage and then informs LDO steady voltage to output 2.7V voltage and transmit to the MCU processor, thereby providing a reliable power supply.
The utility model discloses to combine the structure of outdoor cable distribution box, describe a section and be applicable to cable joint's temperature monitoring device, possess the function of uploading display terminal through wireless communication mode with temperature information, the maintainer can suitably adjust maintenance plan and scheme according to the temperature variation condition to can master the in service behavior of equipment in real time, realized the demand of intelligent development, also be the important component part of electric power thing networking development.
The device adopts a low-cost TMP102 digital temperature sensor and a low-cost MCU processor, effectively reduces the monitoring cost, brings possibility for the online monitoring of the temperature information of the electric contact, and improves the feasibility of the project landing.
Drawings
FIG. 1 is a block diagram of a circuit configuration of a cable joint temperature acquisition device;
fig. 2 is a schematic diagram of a cable joint temperature acquisition device:
fig. 3 is a schematic structural diagram of the housing of the present invention;
FIG. 4 is a sectional view taken along A-A of FIG. 3;
fig. 5 is one of the circuit diagrams of the present invention;
fig. 6 is a second circuit diagram of the present invention;
fig. 7 is a third circuit diagram of the present invention;
fig. 8 is a fourth circuit diagram of the present invention;
fig. 9 is a fifth circuit diagram of the present invention;
fig. 10 is a sixth circuit diagram of the present invention;
fig. 11 is a seventh circuit diagram of the present invention;
fig. 12 is an eighth circuit diagram of the present invention;
in fig. 3 and 4, 1, a wireless temperature measuring base; 2. a wireless temperature measurement cover plate; 3. a wireless temperature measurement metal frame; 4. a wireless temperature measurement driving board; 5. a wireless temperature measurement shielding case; 6. wireless temperature measurement antenna.
Detailed Description
For the purposes of promoting an understanding and appreciation of the invention, the invention will be further described and illustrated in connection with the accompanying drawings.
As shown in fig. 1 to 12, the utility model discloses a technical scheme is, a temperature acquisition device realization method of cable joint department of DFW-12/630 outdoor cable distribution box uses wireless temperature sensor to carry out temperature acquisition.
A cable joint temperature acquisition device of an outdoor cable distribution box is characterized by comprising an acquisition device shell, wherein the acquisition device shell comprises a wireless temperature measurement base 1, a wireless temperature measurement cover plate 2, a wireless temperature measurement metal frame 3, a wireless temperature measurement drive plate 4, a wireless temperature measurement shielding cover 5 and a wireless temperature measurement antenna 6, the wireless temperature measurement cover plate 2 is arranged on the front side of the wireless temperature measurement base 1, and the wireless temperature measurement metal frame 3, the wireless temperature measurement drive plate 4, the wireless temperature measurement shielding cover 5 and the wireless temperature measurement antenna 6 are arranged inside the wireless temperature measurement base 1; a PCB circuit board is arranged in the shell of the acquisition device, and a coil induction power taking module, a voltage stabilization LDO module, a voltage detection chip, an MCU (microprogrammed control unit) processor, a 433Mhz wireless transmitting circuit and a digital temperature sensor are arranged on the PCB circuit board; digital temperature sensor, voltage detection chip, steady voltage LDO module and 433Mhz wireless transmitting circuit are connected with the MCU treater respectively, and steady voltage LDO module still gets the electricity module through the coil induction and is connected with digital temperature sensor.
The temperature measuring range of the digital temperature sensor is-15 ℃ to +125 ℃, and the temperature detection error is not more than +/-2 ℃.
The MCU processor model is CC1310F128 RSM.
The model of the voltage detection chip is XC61CC3602 NR.
Fixing the collection system at the cable joint with permalloy belt, getting electricity through electromagnetic induction and obtaining 5.5V voltage after the rectification, after detecting 5.5V by the detection chip, LDO will stabilize voltage and export 2.7V voltage and give MCU treater, MCU treater and radio frequency emission data integration together, 5.5V voltage also can be given for temperature sensor and carry out the collection work this moment. The MCU processor is responsible for collecting temperature sensor data, and by sending the temperature data once at regular time, a plurality of radio frequencies transmit data signals at different times, so that each signal can be transmitted to the display terminal.
Electromagnetic energy induction gets electricity and changes alternating voltage into 5.5V direct current voltage through rectifier circuit, and after power detects chip XC61CC3602NR detected 5.5V voltage, the work of notification LDO, LDO dropped 5.5V to 2.7V and gave MCU, and 5.5V carried out temperature acquisition for digital temperature sensor simultaneously, and MCU CC1310F128RSM gathers temperature sensor data, passes to display terminal through RF433 radio frequency.
Fig. 1 introduces a hardware circuit structure block diagram of a DFW-12/630 outdoor cable tapping box connector temperature acquisition device, which consists of an MCU processor, an induction power acquisition circuit, a wireless transmitting module and a temperature sensor acquisition circuit. FIG. 1 PCB circuit board in the device installation casing, be equipped with coil induction on the PCB circuit board and get the electricity module, steady voltage LDO module, the voltage detection chip, the MCU treater, 433Mhz wireless transmitter circuit, digital temperature sensor, electromagnetic energy induction gets the electricity after, change alternating voltage into 5.5V DC voltage through rectifier circuit, after the power detection chip detected 5.5V voltage, inform LDO work, LDO steps down 5.5V to 2.7V and transmits MCU for, digital temperature sensor is transmitted simultaneously to 5.5V voltage, temperature sensor carries out temperature acquisition, MCU gathers temperature sensor data, pass to display terminal through RF433 radio frequency.
Fig. 2 is a schematic diagram of a junction temperature acquisition device of a DFW-12/630 outdoor cable distribution box, wherein a permalloy strip is used for fixing the acquisition device at a cable joint, electricity is taken through electromagnetic induction and rectified to obtain 5.5V voltage, a power detection chip XC61CC3602NR detects the 5.5V voltage and informs an LDO to work, the LDO steps down the 5.5V voltage to 2.7V and transmits the voltage to an MCU (microprogrammed control unit), the 5.5V voltage is simultaneously transmitted to a digital temperature sensor for temperature acquisition, the MCU CC F128RSM acquires temperature sensor data and transmits the data to a display terminal through RF 1310 radio frequency 1310.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A cable joint temperature acquisition device of an outdoor cable distribution box is characterized by comprising an acquisition device shell, wherein the acquisition device shell comprises a wireless temperature measurement base (1), a wireless temperature measurement cover plate (2), a wireless temperature measurement metal frame (3), a wireless temperature measurement drive plate (4), a wireless temperature measurement shielding cover (5) and a wireless temperature measurement antenna (6), the wireless temperature measurement cover plate (2) is arranged on the front side of the wireless temperature measurement base (1), and the wireless temperature measurement metal frame (3), the wireless temperature measurement drive plate (4), the wireless temperature measurement shielding cover (5) and the wireless temperature measurement antenna (6) are arranged inside the wireless temperature measurement base (1); a PCB circuit board is arranged in the shell of the acquisition device, and a coil induction power taking module, a voltage stabilization LDO module, a voltage detection chip, an MCU (microprogrammed control unit) processor, a 433Mhz wireless transmitting circuit and a digital temperature sensor are arranged on the PCB circuit board; digital temperature sensor, steady voltage LDO module and 433Mhz wireless transmitting circuit are connected with the MCU treater respectively, and steady voltage LDO module still gets the electricity module through the coil induction and is connected with digital temperature sensor.
2. The outdoor cable distribution box cable joint temperature acquisition device of claim 1, wherein the temperature measurement range of the digital temperature sensor is-15 ℃ to +125 ℃, and the temperature detection error is not more than +/-2 ℃.
3. The outdoor cable distribution box cable joint temperature acquisition device of claim 1, wherein the MCU processor model is CC1310F128 RSM.
4. The outdoor cable distribution box cable joint temperature acquisition device of claim 1, wherein the type of the voltage detection chip is XC61CC3602 NR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124461.7U CN211291810U (en) | 2020-06-17 | 2020-06-17 | Outdoor cable distribution box cable joint temperature acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124461.7U CN211291810U (en) | 2020-06-17 | 2020-06-17 | Outdoor cable distribution box cable joint temperature acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291810U true CN211291810U (en) | 2020-08-18 |
Family
ID=72016182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124461.7U Active CN211291810U (en) | 2020-06-17 | 2020-06-17 | Outdoor cable distribution box cable joint temperature acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506247A (en) * | 2020-12-04 | 2021-03-16 | 广东电网有限责任公司江门供电局 | Intelligent Internet of things early warning and dehumidification system |
-
2020
- 2020-06-17 CN CN202021124461.7U patent/CN211291810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112506247A (en) * | 2020-12-04 | 2021-03-16 | 广东电网有限责任公司江门供电局 | Intelligent Internet of things early warning and dehumidification system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102437646A (en) | Wireless temperature and humidity monitoring device for high-voltage switch cabinet | |
| CN110095203A (en) | A kind of temperature of cable junction remote supervision system and its method based on NB-IoT | |
| CN103411692A (en) | Temperature measuring device for circuit breaker contact | |
| CN104283309A (en) | Online monitoring technical system for 110-kV high-voltage cable | |
| CN211291810U (en) | Outdoor cable distribution box cable joint temperature acquisition device | |
| CN201667558U (en) | On-line monitoring device for outdoor high-voltage switch temperature | |
| CN109980308A (en) | A kind of fault detection means and method of high capacity cell energy-storage system | |
| CN202770538U (en) | Power transmission line T contact automatic temperature measurement and alarm system | |
| CN210166439U (en) | Split type air conditioner controller electric energy meter | |
| CN202309221U (en) | Wireless temperature and humidity monitoring device for high-voltage switch cabinets | |
| CN202330555U (en) | Harmonic detection circuit device | |
| CN109269651A (en) | A kind of passive type radio temperature sensor for measuring transformer temperature | |
| CN215932098U (en) | Integrated transformer core grounding current monitoring system capable of self-energy taking | |
| CN110907743A (en) | Temperature and corona monitoring system for power transmission line cable and hardware fitting and working method thereof | |
| CN205610344U (en) | Smart power grids's wireless monitoring system | |
| CN212031612U (en) | Temperature and corona monitoring system for power transmission line cable and hardware fitting | |
| CN113504580A (en) | Power transmission line micro-meteorological data early warning system and method based on cable induction power taking | |
| CN208579159U (en) | A kind of wireless wisdom safety monitoring system of waterline | |
| CN113029389A (en) | Detection awakening device and method for high-voltage isolating switch opening and closing temperature sensor | |
| CN208140223U (en) | Remote real-time water position monitoring device based on low-power consumption Wide Area Network technology | |
| CN205788736U (en) | A kind of 2.4G radio communication device for high direct voltage early warning system | |
| CN105763158B (en) | Pass through the method for monitoring mobile phone photovoltaic plant | |
| CN219798569U (en) | High-voltage electric wireless temperature measuring device | |
| CN210689825U (en) | Multimode communication passive temperature measurement sensor | |
| CN203535171U (en) | Power grid fault indication system based on wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |