CN212749194U - Hand-held type electric leakage detector - Google Patents
Hand-held type electric leakage detector Download PDFInfo
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- CN212749194U CN212749194U CN201922004728.2U CN201922004728U CN212749194U CN 212749194 U CN212749194 U CN 212749194U CN 201922004728 U CN201922004728 U CN 201922004728U CN 212749194 U CN212749194 U CN 212749194U
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Abstract
The utility model discloses a hand-held electric leakage detector, including the casing to and the electric current calliper cable and the calliper that link to each other with the casing, calliper with the electric current calliper cable is connected, its characterized in that, set up electric current detection circuit, treater, memory and NB-IOT wireless module in the casing; the current detection circuit is connected with the processor, the memory is connected with the processor, and the NB-IOT wireless module is connected with the processor. The embodiment of the utility model provides an in hand-held type electric leakage detector can realize that the low-power consumption of complete machine uses, does not need too much artificial maintenance, and hardware cost and maintenance cost are lower relatively.
Description
Technical Field
The utility model relates to an electric power tech field especially relates to a hand-held type electric leakage detector.
Background
At present, a handheld leakage detector can measure leakage values step by step from a transformer area to a user in order to deal with the situations of complex routing and serious line aging of a power line in China, and operation and maintenance personnel can count the leakage values of all branches and the user by taking the leakage values of all test points as a table; further searching a fault point with serious electric leakage by using a step-by-step elimination method; the loss value caused by electric leakage is reduced. After the tester is electrified, the nixie tube displays the leakage value of the tested line in real time, and communication is realized in a GPRS remote communication mode. However, as some mobile operators (for example, china unicom) gradually shut down the 2G GPRS communication, it is necessary to develop other remote communication versions of the leakage detector.
The handheld electric leakage detector belongs to a meter reading instrument, is small in transmission quantity and low in transmission rate requirement, so that an NB-IOT (narrowband Internet of things) technology is very suitable for the handheld electric leakage detector, but the handheld electric leakage detector based on the NB-IOT (narrowband Internet of things) technology is lacked at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand-held type electric leakage detector adapts to the current situation that present part removes the GPRS communication that the operator gradually closed 2G, can reduce the complete machine consumption.
Correspondingly, the embodiment of the utility model provides a hand-held type electric leakage detector, hand-held type electric leakage detector includes the casing to and the electric current calliper cable and the calliper that link to each other with the casing, calliper with the electric current calliper cable is connected, current detection circuit, treater, memory and NB-IOT wireless module set up in the casing; the current detection circuit is connected with the processor, the memory is connected with the processor, and the NB-IOT wireless module is connected with the processor; the current caliper cable is electrically connected with the current detection circuit and is used for obtaining a current value, the current value is transmitted to the processor, and the processor is used for transmitting information including the current value outwards based on the NB-IoT wireless module.
The current caliper cable is electrically connected with the current detection circuit through the insertable structure.
The processor is of the model STM32F100 VC.
The model of the NB-IOT wireless module is M5310.
The handheld electric leakage detector also comprises a power supply circuit, wherein the power supply circuit comprises a storage battery, and the storage battery outputs a 3.3V power supply and a 4V power supply; the 3.3V power supply is connected with the processor and provides power for the processor; the 4V power supply is connected with the NB-IOT wireless module and provides power for the NB-IOT wireless module.
The handheld electric leakage detector further comprises a digital display screen, the digital display screen is connected with the processor, and the digital display screen is arranged on the surface of the shell.
The pluggable structure is an audio line interface structure.
The calipers are crocodile clamps.
The utility model discloses following beneficial effect has:
with wider coverage of the NB-IOT network, the handheld leakage detector can reduce the power consumption of the whole device and meet the relevant standard requirements. On the other hand, the module cost is far lower than that of a 4G communication module, and the cost is lower than that of a GPRS module used at present, so that the hardware cost of the handheld electric leakage detector can be reduced.
The embodiment of the utility model provides an in hand-held type electric leakage detector can directly gather the electric current and calculate the leakage current on low pressure overhead line through the calliper mode, can assist the staff to carry out the electric leakage point fast and fix a position through NB-IOT wireless module transmission data, compare traditional GPRS communication mode, realize low-power consumption, the reliable and stable remote communication of transmission.
The embodiment of the utility model provides an in hand-held type electric leakage detector adopt the battery to export two different voltages of tunnel and supply power respectively to treater and NB-IOT wireless module.
The embodiment of the utility model provides an in hand-held type electric leakage detector can realize that the low-power consumption of complete machine uses, does not need too much artificial maintenance, and hardware cost and maintenance cost are lower relatively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a hardware schematic structure diagram of the handheld electric leakage detector in the embodiment of the present invention;
fig. 2 is a schematic circuit diagram of the NB-IOT wireless module based remote communication in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Specifically, fig. 1 shows a hardware schematic structure diagram of a handheld electrical leakage detector in an embodiment of the present invention, and the handheld electrical leakage detector is generally provided with a housing (omitted here), and a current caliper cable and a caliper connected to the housing, where the caliper is connected to the current caliper cable and is connected to a circuit inside the housing through the current caliper cable, that is, a current detection circuit, a processor, a memory, and an NB-IOT wireless module are provided inside the housing; the current detection circuit is connected with the processor, the memory is connected with the processor, and the NB-IOT wireless module is connected with the processor; the current caliper cable is electrically connected with the current detection circuit and is used for obtaining a current value, the current value is transmitted to the processor, and the processor is used for transmitting information including the current value outwards based on the NB-IoT wireless module.
The current caliper cable of the device is electrically connected with the current detection circuit through the pluggable structure.
Fig. 2 shows a schematic circuit diagram of the NB-IOT radio module based on remote communication in the embodiment of the present invention, where the model of the processor is STM32F100VC, and where the model of the NB-IOT radio module is M5310.
The handheld electric leakage detector also comprises a power supply circuit, wherein the power supply circuit comprises a storage battery, and the storage battery outputs a 3.3V power supply and a 4V power supply; the 3.3V power supply is connected with the processor and provides power for the processor; the 4V power supply is connected with the NB-IOT wireless module and provides power for the NB-IOT wireless module.
The handheld electric leakage detector also comprises a digital display screen, wherein the digital display screen is connected with the processor, the digital display screen is arranged on the surface of the shell, and the digital display screen can display the electric leakage value of the test circuit and the electric quantity value of the storage battery.
It should be noted that the insertable structure is an audio cable interface structure, and the caliper is an alligator clip.
When specifically using this hand-held type electric leakage detector, can be connected alligator clip and electric current calliper cable one end. The other end of the current caliper cable is inserted into an audio line interface arranged on the shell, and the motor is started. Whether the power supply voltage indicator lamp arranged on the surface of the shell is normal or not is checked, and if the power supply voltage indicator lamp is normal, the detection can be carried out. The live wire and the zero line of the line to be detected, which need to be detected whether electric leakage exists, are clamped together, the display screen can display whether electric leakage exists, the electric leakage value is sent to the upper computer through the NB-IOT wireless module, and the upper computer conducts statistics after receiving data. While the leakage value is stored in the memory. If the circuit to be tested is a three-phase four-wire circuit, three live wires and a zero wire need to be clamped together.
With wider coverage of the NB-IOT network, the handheld leakage detector can reduce the power consumption of the whole device and meet the relevant standard requirements. On the other hand, the module cost is far lower than that of a 4G communication module, and the cost is lower than that of a GPRS module used at present, so that the hardware cost of the handheld electric leakage detector can be reduced.
The embodiment of the utility model provides an in hand-held type electric leakage detector can directly gather the electric current and calculate the leakage current on low pressure overhead line through the calliper mode, can assist the staff to carry out the electric leakage point fast and fix a position through NB-IOT wireless module transmission data, compare traditional GPRS communication mode, realize low-power consumption, the reliable and stable remote communication of transmission.
The embodiment of the utility model provides an in hand-held type electric leakage detector adopt the battery to export two different voltages of tunnel and supply power respectively to treater and NB-IOT wireless module.
The embodiment of the utility model provides an in hand-held type electric leakage detector can realize that the low-power consumption of complete machine uses, does not need too much artificial maintenance, and hardware cost and maintenance cost are lower relatively.
In addition, the above detailed description is made on the hand-held electric leakage detector provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A handheld electric leakage detector comprises a shell, a current caliper cable and calipers, wherein the current caliper cable and the calipers are connected with the shell; the current detection circuit is connected with the processor, the memory is connected with the processor, and the NB-IOT wireless module is connected with the processor; the current caliper cable is electrically connected with the current detection circuit and is used for obtaining a current value, the current value is transmitted to the processor, and the processor is used for transmitting information including the current value outwards based on the NB-IoT wireless module.
2. The hand-held electrical leakage detector of claim 1, wherein said current clamp cable is electrically connected to the current detection circuit via an insertable structure.
3. The hand-held electrical leakage detector of claim 1, wherein said processor is of the model STM32F100 VC.
4. The hand-held electrical leakage detector of claim 1, wherein the NB-IOT wireless module is model number M5310.
5. The hand-held electrical leakage detector of claim 1, further comprising a power circuit, wherein the power circuit comprises a battery, and wherein the battery outputs a 3.3V power supply and a 4V power supply; the 3.3V power supply is connected with the processor and provides power for the processor; the 4V power supply is connected with the NB-IOT wireless module and provides power for the NB-IOT wireless module.
6. The hand-held electrical leakage detector according to claim 1, further comprising a digital display screen, wherein the digital display screen is connected to the processor, and wherein the digital display screen is disposed on the surface of the housing.
7. The hand-held electrical leakage detector according to claim 2, wherein said insertable structure is an audio cable interface structure.
8. A hand-held electrical leakage detector according to any one of claims 1 to 7, wherein the clamp is an alligator clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004728.2U CN212749194U (en) | 2019-11-20 | 2019-11-20 | Hand-held type electric leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004728.2U CN212749194U (en) | 2019-11-20 | 2019-11-20 | Hand-held type electric leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212749194U true CN212749194U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004728.2U Active CN212749194U (en) | 2019-11-20 | 2019-11-20 | Hand-held type electric leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212749194U (en) |
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2019
- 2019-11-20 CN CN201922004728.2U patent/CN212749194U/en active Active
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