CN111487449A - Wireless intelligent low-voltage measuring terminal - Google Patents
Wireless intelligent low-voltage measuring terminal Download PDFInfo
- Publication number
- CN111487449A CN111487449A CN202010282930.6A CN202010282930A CN111487449A CN 111487449 A CN111487449 A CN 111487449A CN 202010282930 A CN202010282930 A CN 202010282930A CN 111487449 A CN111487449 A CN 111487449A
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- Prior art keywords
- voltage stabilizing
- module
- stabilizing module
- wireless
- shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a wireless intelligent low-voltage measuring terminal which comprises a shell, a control panel, a wireless chip, a voltage stabilizing module, a power taking module, a Rogowski coil and a temperature sensor chip, wherein a through hole is formed in the middle of the shell, the control panel, the wireless chip, the voltage stabilizing module, the power taking module and the Rogowski coil are located in the shell, the temperature sensor chip is located on the inner wall of the through hole, the control panel is connected with the wireless chip, the voltage stabilizing module, the Rogowski coil and the temperature sensor chip, and the voltage stabilizing module is connected with the power taking module. The invention can measure the temperature of the cable and the copper bar and other electrical parameter information, and the accuracy of the measurement result is high; the electricity taking module is used for taking electricity without an external power supply; the power line and the communication line are not connected, so that the installation is convenient and the maintenance cost is low; the wireless chip is specially designed, the power consumption is low, the super capacitor is equipped as a standby power supply, and the parameter information can be uploaded when the terminal loses power.
Description
Technical Field
The invention belongs to the technical field of power measurement, and particularly relates to a wireless intelligent low-voltage measurement terminal.
Background
With rapid economic development and scientific and technical progress, the requirement of customers on power supply reliability is higher and higher, the temperature is an important parameter for normal operation of power equipment, real-time monitoring of the temperature is an important means for guaranteeing safe operation of the power equipment, and measurement objects of people are low-voltage shunt cables and copper bars in a power distribution cabinet generally. Other electrical parameters such as the current of the low-voltage shunt cable and the copper bar are also very important for monitoring the working condition of the power equipment. But the information acquisition of the electrical parameter of cable and copper bar is more difficult, and is difficult to connect cables such as power cord, communication line.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a wireless intelligent low-voltage measuring terminal which is free from wiring and can measure various electrical parameter information such as temperature and the like.
The technical scheme adopted by the invention is as follows: the utility model provides a wireless intelligent low pressure measurement terminal, includes casing, control panel, wireless chip, voltage stabilizing module, gets electric module, rogowski coil and temperature sensor chip, the casing middle part is equipped with the through-hole, control panel, wireless chip, voltage stabilizing module, get electric module, rogowski coil and be located in the casing, the temperature sensor chip is located on the inner wall of through-hole, the control panel with wireless chip, voltage stabilizing module, rogowski coil and temperature sensor chip are connected, voltage stabilizing module with it connects to get electric module.
Preferably, the shell comprises an upper shell and a lower shell, one end of the upper shell and one end of the lower shell are connected through a shaft, and the other end of the upper shell and the other end of the lower shell are buckled.
Preferably, the wireless control device further comprises a super capacitor, and the super capacitor is respectively connected with the control board and the wireless chip. The super capacitor provides a power-loss uploading power supply.
Preferably, the power taking module adopts an induction power taking mode, namely voltage induction power taking, current induction power taking or temperature difference induction power taking, and the voltage stabilizing module is a DC-DC power supply voltage stabilizing module.
Preferably, the electricity taking module comprises an electricity taking column and a wiring terminal, the electricity taking column and the wiring terminal are connected with the voltage stabilizing module, the tail end of the electricity taking column penetrates through the shell and stretches into the through hole, the tail end of the wiring terminal stretches out of the shell, and the voltage stabilizing module is an AC-DC power supply voltage stabilizing module.
Preferably, the intelligent control system further comprises a voltage transformer, and the voltage transformer is connected with the control board.
The working principle is as follows: this terminal cover is on cable or copper bar, and cable or copper bar are located through-hole department, hug closely the temperature-sensing chip, and the temperature of cable or copper bar is measured to the temperature-sensing chip, and the luo shi coil cover is on cable or copper bar, measures its electric current, and the processing of measured information through the control panel is sent away through wireless chip is wireless. The power taking module is used for taking power, converting the power into working voltage through the voltage stabilizing module and supplying power to other elements.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can measure the temperature of the cable and the copper bar and other electrical parameter information, and the accuracy of the measurement result is high;
2. the invention utilizes the electricity taking module to take electricity without an external power supply, the voltage reduction process of the voltage stabilizing module has high efficiency, the energy loss is small, and the module is not obvious in heating;
3. the invention does not connect power lines and communication lines, is convenient to install and has low maintenance cost;
4. the wireless chip is specially designed, the power consumption is low, the super capacitor is used as a standby power supply, and the parameter information can be uploaded when the terminal is powered off.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3 is a circuit diagram of a wireless chip according to the present invention.
In the figure, 1-a shell, 2-a control board, 3-a voltage stabilizing module, 4-a Rogowski coil, 5-a temperature sensor chip, 6-a screw coil, 7-a super capacitor, 8-a power taking column, 9-a wiring terminal and 10-a voltage transformer.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment of the invention discloses a wireless intelligent low-voltage measuring terminal, which comprises a shell 1, a control panel 2, a wireless chip, a voltage stabilizing module 3, a power taking module, a Rogowski coil 4 and a temperature sensor chip 5, wherein a through hole is formed in the middle of the shell 1, the control panel 2, the wireless chip, the voltage stabilizing module 3, the power taking module and the Rogowski coil 4 are located in the shell 1, the temperature sensor chip 5 is located on the inner wall of the through hole, the control panel 2 is connected with the wireless chip, the voltage stabilizing module 3, the Rogowski coil 4 and the temperature sensor chip 5, and the voltage stabilizing module 3 is connected with the power taking module. The electricity taking module adopts a screw coil 6, and the voltage stabilizing module 3 is a DC-DC power supply voltage stabilizing module. The voltage stabilizing module 3 and the wireless chip are installed on the control panel 2. The shell 1 comprises an upper shell and a lower shell, wherein one end of the upper shell and one end of the lower shell are connected through a shaft, and the other end of the upper shell and the other end of the lower shell are fastened.
The screw coil 6 is used for induction power taking, and then is converted into 3.3V through the DC-DC power supply voltage stabilizing module to supply power for other elements. The temperature sensor chip 5 and the Rogowski coil 4 measure the electric parameter information of the temperature and the current of the cable, and the electric parameter information is processed by the control board 2 and then is wirelessly sent out through the wireless chip.
Example two
The embodiment of the invention discloses a wireless intelligent low-voltage measuring terminal, which comprises a shell 1, a control panel 2, a wireless chip, a voltage stabilizing module 3, a power taking module, a Rogowski coil 4 and a temperature sensor chip 5, wherein a through hole is formed in the middle of the shell 1, the shell 1 comprises an upper shell 1 and a lower shell 1, one end of the upper shell 1 and one end of the lower shell 1 are connected through a shaft, and the other end of the upper shell 1 and the other end of the lower shell 1 are buckled. Control panel 2, wireless chip, voltage stabilizing module 3, get electric module, luo shi coil 4 and be located in casing 1, temperature sensor chip 5 is located on the inner wall of through-hole, control panel 2 with wireless chip, voltage stabilizing module 3, luo shi coil 4 and temperature sensor chip 5 are connected, voltage stabilizing module 3 with it connects to get the electric module. The power taking module comprises a power taking column 8 and a wiring terminal 9, the power taking column 8 and the wiring terminal 9 are connected with the voltage stabilizing module 3, the tail end of the power taking column 8 penetrates through the shell 1 and extends into the through hole, the tail end of the wiring terminal 9 extends out of the shell 1, and the voltage stabilizing module 3 is an AC-DC power supply voltage stabilizing module. The voltage transformer 10 is connected with the control board 2. The super capacitor 7 is respectively connected with the control panel 2 and the wireless chip. The super capacitor 7 provides a power-loss uploading power supply.
The power taking column 8 is in contact with the copper bar and is used as a live wire to be connected to the power panel, the wiring terminal 9 is used as a zero line, and the AC-DC power supply voltage stabilizing module on the power panel can convert 220V voltage on the copper bar to 5V voltage to supply power for other elements. The temperature sensor chip 5, the voltage transformer 10 and the Rogowski coil 4 measure the electrical parameter information of the temperature, the voltage and the current of the copper bar, and the electrical parameter information is processed by the control board 2 and then wirelessly transmitted out through the wireless chip.
The present invention has been described in detail with reference to the embodiments, but the description is only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The scope of the invention is defined by the claims. The technical solutions of the present invention or those skilled in the art, based on the teaching of the technical solutions of the present invention, should be considered to be within the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention or equivalent technical solutions designed to achieve the above technical effects are also within the scope of the present invention.
Claims (6)
1. The utility model provides a wireless intelligent low pressure measurement terminal which characterized in that: including casing, control panel, wireless chip, voltage stabilizing module, get electric module, rogowski coil and temperature sensor chip, the casing middle part is equipped with the through-hole, control panel, wireless chip, voltage stabilizing module, get electric module, rogowski coil and be located in the casing, the temperature sensor chip is located on the inner wall of through-hole, the control panel with wireless chip, voltage stabilizing module, rogowski coil and temperature sensor chip connect, voltage stabilizing module with it connects to get the electric module.
2. The wireless intelligent low voltage measurement terminal of claim 1, wherein: the shell comprises an upper shell and a lower shell, wherein one end of the upper shell and one end of the lower shell are connected through a shaft, and the other end of the upper shell and the other end of the lower shell are fastened.
3. The wireless intelligent low voltage measurement terminal of claim 1, wherein: the wireless control system is characterized by further comprising a super capacitor, wherein the super capacitor is respectively connected with the control panel and the wireless chip.
4. The wireless intelligent low-voltage measuring terminal of any one of claims 1 to 3, wherein: the power taking module adopts an induction power taking mode, namely voltage induction power taking, current induction power taking or temperature difference induction power taking, and the voltage stabilizing module is a DC-DC power supply voltage stabilizing module.
5. The wireless intelligent low-voltage measuring terminal of any one of claims 1 to 3, wherein: the power taking module comprises a power taking column and a wiring terminal, the power taking column and the wiring terminal are connected with the voltage stabilizing module, the tail end of the power taking column penetrates through the shell and stretches into the through hole, the tail end of the wiring terminal stretches out of the shell, and the voltage stabilizing module is an AC-DC power supply voltage stabilizing module.
6. The wireless intelligent low voltage measurement terminal of claim 5, wherein: still include voltage transformer, voltage transformer with the control panel is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282930.6A CN111487449A (en) | 2020-04-10 | 2020-04-10 | Wireless intelligent low-voltage measuring terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282930.6A CN111487449A (en) | 2020-04-10 | 2020-04-10 | Wireless intelligent low-voltage measuring terminal |
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| CN111487449A true CN111487449A (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010282930.6A Pending CN111487449A (en) | 2020-04-10 | 2020-04-10 | Wireless intelligent low-voltage measuring terminal |
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| CN (1) | CN111487449A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054614A (en) * | 2021-03-04 | 2021-06-29 | 江阴东瑞电气有限公司 | Intelligent electricity utilization module |
| CN113847952A (en) * | 2021-09-24 | 2021-12-28 | 广西电网有限责任公司电力科学研究院 | Wireless device for measuring temperature and load current of cable based on induction electricity taking |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054614A (en) * | 2021-03-04 | 2021-06-29 | 江阴东瑞电气有限公司 | Intelligent electricity utilization module |
| CN113847952A (en) * | 2021-09-24 | 2021-12-28 | 广西电网有限责任公司电力科学研究院 | Wireless device for measuring temperature and load current of cable based on induction electricity taking |
| CN113847952B (en) * | 2021-09-24 | 2023-12-19 | 广西电网有限责任公司电力科学研究院 | A wireless device for measuring cable temperature and load current based on induction power |
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Application publication date: 20200804 |
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