CN218512537U - A test subassembly for detecting ground resistance - Google Patents
A test subassembly for detecting ground resistance Download PDFInfo
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- CN218512537U CN218512537U CN202222246279.4U CN202222246279U CN218512537U CN 218512537 U CN218512537 U CN 218512537U CN 202222246279 U CN202222246279 U CN 202222246279U CN 218512537 U CN218512537 U CN 218512537U
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Abstract
The utility model discloses a test component for detecting ground resistance, including casing, handle, display screen, button, start key, switch, warning light, port, detection head, plug hole, shunt resistance, range change over switch, galvanometer, rectifier amplifier and controller. Compared with the prior art, the utility model discloses possess following beneficial effect: this a test component for detecting ground resistance measures ground circuit resistance through detecting the head, has effects such as easy operation, labour saving and time saving, interference killing feature are strong, test data is accurate, and this test component is more stable simultaneously, and testable different product is through setting up the display screen for the device can be announced the testing result the very first time, makes the device more simple and convenient practical, sets up the warning light simultaneously, can further remind the accuracy that the user tested.
Description
Technical Field
The utility model relates to a testing arrangement specifically is a test assembly for detecting ground resistance.
Background
The grounding resistance is a resistance encountered by current flowing into the ground from a grounding device and then flowing to another grounding body through the ground or spreading to a remote place, and factors influencing the grounding resistance are many: the size (length, thickness), shape, number, burying depth, surrounding geographical environment (such as flat ground, ditch, slope are different), soil humidity, texture, etc. of the grounding electrode. In order to ensure good grounding of the equipment, it is essential to measure the grounding resistance with a meter.
Many existing methods for measuring ground resistance use a manually operated ac ammeter-voltmeter method. Because the grounding system is susceptible to various external factors, the resistance value of the grounding grid may be greatly changed, and the grounding resistance value of the product cannot be accurately measured by adopting the existing measurement technology.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a test assembly for detecting ground resistance.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a test assembly for detecting ground resistance, includes casing and controller, the side of casing is provided with the handle, the rear end of casing is provided with the plug hole, be provided with the display screen in the middle of the front end of casing, be provided with the button below the display screen, the display screen left side is provided with the start key, the start key is provided with the switch bottom, the display screen right side sets up the warning light, be provided with the port below the warning light, install on the port and detect the head, the inside of casing is provided with the controller, shunt resistance, range change over switch, galvanometer and rectifier amplifier are being connected respectively to the controller.
Preferably, the port comprises a communication interface and a shielding layer, and the output end of the rectifier amplifier is connected with the signal output port.
Preferably, the shunt resistor, the range switch, the galvanometer and the rectifier amplifier are connected in sequence, and the shunt resistor is formed by connecting a plurality of resistors in parallel.
Preferably, the detection head is connected to a port, the port is divided into an output port and an input port, and the detection head can be set into a jaw and a detection rod structure.
Preferably, the range switch is arranged between the shunt resistor and the galvanometers, and the galvanometers are connected with all the branches.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this a test assembly for detecting ground resistance measures ground circuit resistance through detecting the head, has effects such as easy operation, labour saving and time saving, interference killing feature are strong, test data is accurate, and this test assembly is more stable simultaneously, can test different products.
2. This a test assembly for detecting ground resistance through setting up the display screen for the device can publish the testing result the very first time, makes the device more simple and convenient practical, sets up the warning light simultaneously, can further remind the accuracy of user's test.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the plug hole of the present invention;
FIG. 3 is a schematic view of the internal structure of the detecting device of the present invention;
in the figure: 1. a housing; 2. a handle; 3. a display screen; 4. a button; 5. a start key; 6. a switch; 7. a warning light; 8. a port; 9. a detection head; 10. a plug hole; 11. a shunt resistor; 12. a range change-over switch; 13. a galvanometer; 14. a rectifier amplifier; 15. and a controller.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a test assembly for detecting ground resistance, includes casing 1 and controller 15, the side of casing 1 is provided with handle 2, the rear end of casing 1 is provided with plug hole 10, port 8 includes communication interface and shielding layer, rectifier amplifier 14's output and signal output port are connected, be provided with display screen 3 in the middle of the front end of casing 1, be provided with button 4 below display screen 3, display screen 3 left side is provided with actuating key 5, shunt resistor 11, range change over switch 12, galvanometer 13 and rectifier amplifier 14 connect gradually, shunt resistor 11 is formed by a plurality of resistance is parallelly connected, actuating key 5 is provided with switch 6 bottom, display screen 3 right side sets up warning light 7, detection head 9 connects on port 8, and port 8 divide into output port and input port, detection head 9 can set up to the structure of surveying rod, be provided with port 8 below warning light 7, install detection head 9 on port 8, the inside of casing 1 is provided with controller 15, range change over switch 12 sets up between shunt resistor 11 and the rectifier switch 13, and rectifier amplifier 13, shunt resistor 13 is connected with rectifier switch 13, rectifier switch 14, shunt switch 14 and rectifier amplifier are connected.
Example two
As shown in fig. 1 to 3: the utility model provides a test assembly for detecting ground resistance, including casing 1 and controller 15, the side of casing 1 is provided with handle 2, the rear end of casing 1 is provided with plug hole 10, be provided with display screen 3 in the middle of the front end of casing 1, be provided with button 4 below the display screen 3, 3 left sides of display screen are provided with start key 5, start key 5 is provided with switch 6 below, 3 right sides of display screen set up warning light 7, be provided with port 8 below warning light 7, install on the port 8 and detect head 9, the inside of casing 1 is provided with controller 15, shunt resistance 11 is being connected respectively to controller 15, range change over switch 12, galvanometer 13 and rectifier amplifier 14.
The working principle is as follows: when using this a test component for detecting ground resistance, firstly, place the device beside the product that needs to detect, secondly, connect on the product through the output and the input of detecting head 9, starting drive, can normally use the lid test component.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (5)
1. A test assembly for detecting ground resistance, comprising a housing (1) and a controller (15), characterized in that: the side of casing (1) is provided with handle (2), the rear end of casing (1) is provided with plug hole (10), be provided with display screen (3) in the middle of the front end of casing (1), be provided with button (4) below display screen (3), display screen (3) left side is provided with start key (5), start key (5) are provided with switch (6) below, display screen (3) right side sets up warning light (7), be provided with port (8) below warning light (7), install on port (8) and detect head (9), the inside of casing (1) is provided with controller (15), shunt resistance (11), range change over switch (12), galvanometer (13) and rectifier amplifier (14) are being connected respectively in controller (15).
2. A test assembly for detecting ground resistance according to claim 1, wherein: the port (8) comprises a communication interface and a shielding layer, and the output end of the rectifier amplifier (14) is connected with the signal output port.
3. A test assembly for detecting ground resistance according to claim 1, wherein: shunt resistance (11), range change over switch (12), galvanometer (13) and rectifier amplifier (14) connect gradually, shunt resistance (11) are parallelly connected by a plurality of resistance and form.
4. A test assembly for detecting ground resistance according to claim 1, wherein: the detection head (9) is connected to the port (8), the port (8) is divided into an output port and an input port, and the detection head (9) can be arranged into a jaw and a detection rod structure.
5. A test assembly for detecting ground resistance according to claim 1, wherein: the range change-over switch (12) is arranged between the shunt resistor (11) and the galvanometer (13), and the galvanometer (13) is connected with all branches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222246279.4U CN218512537U (en) | 2022-08-25 | 2022-08-25 | A test subassembly for detecting ground resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222246279.4U CN218512537U (en) | 2022-08-25 | 2022-08-25 | A test subassembly for detecting ground resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218512537U true CN218512537U (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222246279.4U Active CN218512537U (en) | 2022-08-25 | 2022-08-25 | A test subassembly for detecting ground resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218512537U (en) |
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2022
- 2022-08-25 CN CN202222246279.4U patent/CN218512537U/en active Active
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