CN211148702U - Power frequency field intensity detector - Google Patents
Power frequency field intensity detector Download PDFInfo
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- CN211148702U CN211148702U CN201920805380.4U CN201920805380U CN211148702U CN 211148702 U CN211148702 U CN 211148702U CN 201920805380 U CN201920805380 U CN 201920805380U CN 211148702 U CN211148702 U CN 211148702U
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Abstract
The utility model discloses a power frequency field intensity detector, include: a mobile testing part and a handheld control part; the mobile testing part comprises a base, a supporting rod, an upper electrode and a lower electrode, an insulating layer is arranged between the upper electrode and the lower electrode, the upper electrode and the lower electrode form a testing sphere, the upper electrode and the lower electrode are electrically connected to form a testing circuit, and the testing circuit further comprises a single chip microcomputer and a signal transceiver; the base is provided with a moving wheel and a motor, the motor drives the moving wheel to move, and the base supports the test ball through a support rod; the handheld control part comprises a controller, a key circuit, a liquid crystal driving circuit, a liquid crystal screen and a voice chip; the test circuit transmits signals with the controller through the signal transceiver; the output end of the key circuit is connected with the input end of the controller, and the key circuit controls the motor to drive the moving wheel to move through the controller; the output end of the controller is respectively connected with the liquid crystal driving circuit and the voice chip, and the output end of the liquid crystal screen driving circuit is connected with the liquid crystal screen.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a power frequency field intensity detector.
Background
The power frequency is the rated frequency used by power generation, transmission, transformation and distribution equipment of the power system and industrial and civil electrical equipment.
With the improvement of transmission voltage level of power system and the environmental emphasis of human, the measurement of electric field strength becomes an important task. The research on the interference of electric fields to electronic devices and the influence on human beings is also being conducted in depth. For places where workers are inconvenient to enter, the power frequency field intensity signals cannot be accurately measured.
Therefore, the design of a power frequency field intensity detector which is convenient for measuring power frequency field intensity signals is a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a power frequency field intensity detector.
The application provides a power frequency field intensity detector, include: a mobile testing part and a handheld control part;
the mobile testing part comprises a base, a supporting rod, an upper electrode and a lower electrode, an insulating layer is arranged between the upper electrode and the lower electrode, the upper electrode and the lower electrode form a testing sphere, the upper electrode and the lower electrode are electrically connected to form a testing circuit, and the testing circuit further comprises a single chip microcomputer and a signal transceiver; the base is provided with a moving wheel and a motor, the motor drives the moving wheel to move, and the base supports the test ball through the support rod;
the handheld control part comprises a controller, a key circuit, a liquid crystal driving circuit, a liquid crystal screen and a voice chip; the test circuit transmits signals with the controller through the signal transceiver; the output end of the key circuit is connected with the input end of the controller, and the key circuit controls the motor to drive the moving wheel to move through the controller; the output end of the controller is respectively connected with the liquid crystal driving circuit and the voice chip, and the output end of the liquid crystal screen driving circuit is connected with the liquid crystal screen.
Optionally, the controller communicates signals with the signal transceiver through a control circuit, the control circuit including a wireless transceiver, a filter, and a power amplifier, the wireless transceiver, the filter, and the power amplifier being integrated on a circuit board.
Optionally, the liquid crystal driving circuit includes an inverter circuit and an output transformer, and an output end of the inverter circuit is connected to an input end of a primary winding of the output transformer.
Optionally, the struts are adjustable in length.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the key circuit can control the motor to drive the moving wheel to move through the controller, the handheld control part controls the moving test part to reach a test position, a detection signal of the moving test part is transmitted back to the controller of the handheld control part through the signal transceiver, and the controller can display the detection signal on a liquid crystal screen and can also broadcast the detection signal through a voice chip after receiving the detection signal. This remove test portion can remove optional test position, and the position that inconvenient tester reachd also can test, and the data of test can show through the LCD screen, also can make things convenient for the measurement of power frequency field intensity through voice broadcast.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of a specific embodiment of a mobile testing part of the power frequency field intensity detector provided by the present invention;
fig. 2 is a schematic structural diagram of a specific embodiment of the handheld control portion of the power frequency field intensity detector provided by the present invention;
wherein the correspondence between the description of the drawings and the names of the components in fig. 1 and 2 is as follows:
an upper electrode 1; an insulating layer 2;
a lower electrode 3; a strut 4;
a base 5; a moving wheel 6;
a key 7; and a liquid crystal screen 8.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a mobile testing portion of a power frequency field strength detector according to an embodiment of the present invention; fig. 2 is the utility model provides a power frequency field intensity detector's hand-held control portion's embodiment's schematic structure diagram.
In a specific implementation manner, the utility model provides a power frequency field intensity detector, include: a mobile testing part and a handheld control part;
the mobile testing part comprises a base 5, a support rod 4, an upper electrode 1 and a lower electrode 3, an insulating layer 2 is arranged between the upper electrode 1 and the lower electrode 3, the upper electrode 1 and the lower electrode 3 form a testing sphere, the upper electrode 1 and the lower electrode 3 are electrically connected to form a testing circuit, and the testing circuit further comprises a single chip microcomputer and a signal transceiver; the base 5 is provided with a moving wheel 6 and a motor, the motor drives the moving wheel 6 to move, and the base 5 supports the test ball through the support rod 4;
the handheld control part comprises a controller, a key circuit, a liquid crystal driving circuit, a liquid crystal screen 8 and a voice chip; the test circuit transmits signals with the controller through the signal transceiver; the output end of the key circuit is connected with the input end of the controller, and the key circuit controls the motor to drive the moving wheel 6 to move through the controller; the output end of the controller is respectively connected with the liquid crystal driving circuit and the voice chip, and the output end of the liquid crystal screen driving circuit is connected with the liquid crystal screen 8.
Information input by the keys 7 is transmitted to the controller through the key circuit, the controller transmits the information to the signal transceiver, and the single chip microcomputer controls the motor to drive the movable wheel to move to a corresponding detection position according to the information.
As shown in fig. 1 and 2, fig. 1 and 2 only illustrate a partially visible structure of the detector, and the structural arrangement of the invisible part can refer to the prior art.
The button 7 moves through controller control motor drive removal wheel 6, and handheld control portion control removes test section and reachs the test position, and the detection signal that removes test section passes through signal transceiver and transmits back the controller of handheld control portion, and after the controller received signal, both can show on LCD screen 8, also can pass through voice chip voice broadcast.
This remove test portion can remove optional test position, and the position that inconvenient tester reachd also can test, and the data of test can show through the LCD screen, also can make things convenient for the measurement of power frequency field intensity through voice broadcast.
Further, the controller transmits signals with the signal transceiver through a control circuit, the control circuit comprises a wireless transceiver, a filter and a power amplifier, and the wireless transceiver, the filter and the power amplifier are integrated on a circuit board.
The filter can filter some interference signals, and the power amplifier can strengthen signal strength, so that the controller can output a stronger accurate signal, and a tester can obtain an accurate test result.
Specifically, the liquid crystal driving circuit comprises an inverter circuit and an output transformer, and the output end of the inverter circuit is connected with the input end of the primary winding of the output transformer. The output end of the output transformer is connected with the liquid crystal screen to display the signal information transmitted by the controller.
In each of the above embodiments, the length of the strut 4 is adjustable.
In the detection process, the height of the supporting rod 4 can be adjusted according to specific detection requirements so as to adapt to detection at different positions.
It is right above the utility model provides a power frequency field intensity detector has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (1)
1. A power frequency field strength detector is characterized by comprising: a mobile testing part and a handheld control part; the mobile testing part comprises a base, a supporting rod, an upper electrode and a lower electrode, an insulating layer is arranged between the upper electrode and the lower electrode, the upper electrode and the lower electrode form a testing sphere, the upper electrode and the lower electrode are electrically connected to form a testing circuit, and the testing circuit further comprises a single chip microcomputer and a signal transceiver; the base is provided with a moving wheel and a motor, the motor drives the moving wheel to move, and the base supports the test ball through the support rod;
the handheld control part comprises a controller, a key circuit, a liquid crystal driving circuit, a liquid crystal screen and a voice chip; the test circuit transmits signals with the controller through the signal transceiver; the output end of the key circuit is connected with the input end of the controller, and the key circuit controls the motor to drive the moving wheel to move through the controller; the output end of the controller is respectively connected with the liquid crystal driving circuit and the voice chip, and the output end of the liquid crystal screen driving circuit is connected with the liquid crystal screen;
the controller is communicated with the signal transceiver through a control circuit, the control circuit comprises a wireless transceiver, a filter and a power amplifier, and the wireless transceiver, the filter and the power amplifier are integrated on a circuit board;
the liquid crystal driving circuit comprises an inverter circuit and an output transformer, wherein the output end of the inverter circuit is connected with the input end of a primary winding of the output transformer; the length of the supporting rod is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805380.4U CN211148702U (en) | 2019-05-30 | 2019-05-30 | Power frequency field intensity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920805380.4U CN211148702U (en) | 2019-05-30 | 2019-05-30 | Power frequency field intensity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211148702U true CN211148702U (en) | 2020-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920805380.4U Active CN211148702U (en) | 2019-05-30 | 2019-05-30 | Power frequency field intensity detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211148702U (en) |
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2019
- 2019-05-30 CN CN201920805380.4U patent/CN211148702U/en active Active
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