CN220064234U - Variable-frequency grounding resistance tester for grounding grid - Google Patents
Variable-frequency grounding resistance tester for grounding grid Download PDFInfo
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- CN220064234U CN220064234U CN202321493149.9U CN202321493149U CN220064234U CN 220064234 U CN220064234 U CN 220064234U CN 202321493149 U CN202321493149 U CN 202321493149U CN 220064234 U CN220064234 U CN 220064234U
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- ground resistance
- treatment system
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model provides a frequency conversion earth screen grounding resistance tester which comprises a working bin, a grounding resistance tester body arranged in the working bin and a cushion block arranged at the bottom of the grounding resistance tester body, wherein an air treatment system bin is arranged on one side of the working bin, an air processor is arranged in the air treatment system bin, an air inlet and an air outlet are respectively arranged at the bottom of the air processor, the air inlet of the air processor is connected with an air inlet pipe, a first exhaust fan is arranged on the air inlet pipe, a port extends out of the air treatment system bin, the air outlet of the air processor is connected with an air outlet pipe, a second exhaust fan is arranged on the air outlet pipe, the port extends into the working bin, and a plurality of air ports are arranged on the other side of the working bin. The electronic element inside the frequency conversion earth screen ground resistance tester can not be affected by low temperature, the unstable condition of the instrument can not appear, the normal use of the instrument in a cold environment can be ensured, and the application range of the instrument is greatly improved.
Description
Technical Field
The utility model relates to the technical field of resistance testers, in particular to a variable-frequency grounding resistance tester for a grounding network.
Background
The grounding resistance tester of the grounding network is suitable for testing power frequency grounding resistance, contact voltage, step voltage, and other power frequency characteristic parameters of various grounding devices and soil resistivity. The grounding network connects a plurality of grounding bodies into a network by using a grounding trunk line, has the characteristics of reliable grounding and small grounding resistance, is suitable for the grounding requirement of a large number of electrical equipment, and is currently used in a large number of substations. When the frequency conversion earth screen grounding resistance tester is used in northern cold areas, the electronic elements in the existing frequency conversion earth screen grounding resistance tester are affected by low temperature, so that the efficiency of the electronic elements is reduced, the unstable condition of the tester is easy to appear, and the use limitation is high.
Disclosure of Invention
The utility model aims to provide a variable-frequency grounding grid grounding resistance tester for solving the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a frequency conversion earth screen ground resistance tester, includes the working bin, sets up the ground resistance tester body in the working bin and with establish the cushion in ground resistance tester body bottom, one side of working bin is provided with air treatment system storehouse, install air processor in the air treatment system storehouse, air processor's bottom is equipped with air inlet and gas outlet respectively, air processor's air inlet and air inlet connection, install first air exhauster in the intake pipe, and the port extends to outside the air treatment system storehouse, air processor's gas outlet is connected with the outlet duct, install the second air exhauster on the outlet duct, and the port extends to in the working bin, be equipped with a plurality of gas ports on the opposite side of working bin, the outside of gas port is provided with the dust screen.
The air processor comprises a component shell, an air purifying cavity and an air heating cavity are arranged in the component shell, the upper parts of the air purifying cavity and the air heating cavity are mutually communicated, the air purifying cavity is communicated with an air inlet, a filter bag piece, an air flow uniformly-distributed plate and an activated carbon adsorption piece are sequentially arranged inside the air purifying cavity from bottom to top, the air heating cavity is communicated with an air outlet, and an air heating device is arranged inside the air heating cavity.
The top of the air purifying cavity and the air heating cavity is of an arc-shaped structure.
The port of the air inlet pipe and the port of the air outlet pipe are respectively provided with a horn-shaped expansion section.
And a maintenance door is arranged on the air treatment system bin.
An air flow buffer cover is fixedly arranged on the inner side of the air port, and an air flow port is formed in the air flow buffer cover.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, one side of the working bin is provided with the air treatment system bin, the air treatment system bin is internally provided with the air processor, external air enters the air processor through the air inlet pipe and the first exhaust fan and is input into the working bin through the air outlet pipe by the second exhaust fan after being purified and heated, so that the working temperature in the working bin cavity is improved, the electronic elements in the variable-frequency grounding grid ground resistance tester are further ensured not to be influenced by low temperature, the efficiency of the electronic elements is maintained, the unstable condition of the instrument is ensured not to occur, the instrument is ensured to be normally used in a cold environment, and the application range of the instrument is greatly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1, a working bin; 2, a grounding resistance tester body; 3, cushion blocks; 4, an air treatment system bin; 5 an air handler; 51 a component housing; 52 an air purification chamber; 53 an air heating chamber; 6, an air inlet; a gas outlet 7; 8, an air inlet pipe; 9, a first exhaust fan; 10, an air outlet pipe; 11 a second exhaust fan; 12 air ports; 13 dustproof screen; 14 a filter bag member; 15, uniformly distributing the air flow; 16 activated carbon adsorption element; 17 a gas heating device; 18 horn-shaped expansion section; 19 maintaining the door; 20 airflow buffer covers; 21 airflow through openings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a frequency conversion earth screen ground resistance tester, includes workstation 1, sets up ground resistance tester body 2 in workstation 1 and with establish cushion 3 in the bottom of ground resistance tester body 2, one side of workstation 1 is provided with air treatment system storehouse 4, install air processor 5 in the air treatment system storehouse 4, the bottom of air processor 5 is equipped with air inlet 6 and gas outlet 7 respectively, air inlet 6 and the intake pipe 8 of air processor 5 are connected, install first air exhauster 9 on the intake pipe 8, and the port extends to outside the air treatment system storehouse 4, air outlet 7 and the outlet duct 10 of air processor 5 are connected, install second air exhauster 11 on the outlet duct 10, and the port extends to in the workstation 1, be equipped with a plurality of 12 on the opposite side of workstation 1, the outside of gas port 12 is provided with dust screen 13.
The air processor 5 comprises a component shell 51, an air purifying cavity 52 and an air heating cavity 53 are arranged in the component shell 51, the upper parts of the air purifying cavity 52 are communicated with each other, the bottom of the air purifying cavity 52 is communicated with the air inlet 6, a filter bag part 14, an air flow uniformly-distributed plate 15 and an activated carbon adsorption part 16 are sequentially arranged in the air purifying cavity from bottom to top, the air heating cavity 53 is communicated with the air outlet 7, and the air heating device 17 is arranged in the air purifying cavity.
The tops of the air purifying cavity 52 and the air heating cavity 53 are arc-shaped structures.
The horn-shaped expansion sections 18 are respectively arranged at the ports of the air inlet pipe 8 and the air outlet pipe 10, and air is collected and discharged.
The air treatment system compartment 4 is provided with a maintenance door 19.
The inner side of the air port 12 is fixedly provided with an air flow buffer cover 20, and the air flow buffer cover 20 is provided with an air flow port 21, so that air in the cavity of the working bin 1 slowly and gradually flows into the outside through the air flow port 21 and the air port 12, and the condition that the temperature in the cavity of the working bin 1 drops too quickly due to too fast air outflow is avoided, so that the temperature is difficult to maintain.
The specific working principle of the utility model is as follows: the first exhaust fan 9 and the second exhaust fan 11 are started, outside air flows into the air purifying cavity 52 through the air inlet pipe 8, dust in the air is filtered through the filter bag piece 14, then the air uniformly flows into the activated carbon adsorption piece 16 through the air uniformly distributed plate 15 to adsorb organic matters and peculiar smell in the air, then the air flows into the air heating device 17 to heat the air, finally the air is input into the working bin 1 through the air outlet pipe 10, the working temperature in the cavity of the working bin 1 is improved, further, the electronic elements in the variable-frequency grounding resistance tester are ensured not to be affected by low temperature, the efficiency of the electronic elements is maintained, the unstable condition of the instrument is ensured not to appear, the normal use of the instrument in a cold environment is ensured, the use range of the instrument is greatly improved, the hot air in the cavity of the working bin 1 slowly flows into the outside through the air port 12, the air flow is realized, and the rapid temperature rise caused by air aggregation is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a frequency conversion earth screen ground resistance tester which characterized in that: including work bin (1), set up ground resistance tester body (2) and with establish cushion (3) in ground resistance tester body (2) bottom in work bin (1), one side of work bin (1) is provided with air treatment system storehouse (4), install air processor (5) in air treatment system storehouse (4), the bottom of air processor (5) is equipped with air inlet (6) and gas outlet (7) respectively, air inlet (6) and intake pipe (8) of air processor (5) are connected, install first air exhauster (9) on intake pipe (8), and the port extends to outside air treatment system storehouse (4), air outlet (7) and outlet duct (10) of air processor (5) are connected, install second air exhauster (11) on outlet duct (10), and the port extends to in work bin (1), be equipped with a plurality of air ports (12) on the opposite side of air processor (5), the outside of air port (12) is provided with dust screen (13).
2. The variable frequency earth screen ground resistance tester of claim 1, wherein: the air processor (5) comprises a component shell (51), an air purifying cavity (52) and an air heating cavity (53) are arranged in the component shell (51), the upper parts of the air purifying cavity (52) are communicated with an air inlet (6), a filter bag part (14), an air flow uniformly-distributed plate (15) and an activated carbon adsorption part (16) are sequentially arranged inside the air purifying cavity from bottom to top, the air heating cavity (53) is communicated with an air outlet (7), and a gas heating device (17) is arranged inside the air purifying cavity.
3. The variable frequency earth screen ground resistance tester of claim 2, wherein: the tops of the air purifying cavity (52) and the air heating cavity (53) are arc-shaped structures.
4. The variable frequency earth screen ground resistance tester of claim 1, wherein: the ports of the air inlet pipe (8) and the air outlet pipe (10) are respectively provided with a horn-shaped expansion section (18).
5. The variable frequency earth screen ground resistance tester of claim 1, wherein: the air treatment system bin (4) is provided with a maintenance door (19).
6. The variable frequency earth screen ground resistance tester of claim 1, wherein: an air flow buffer cover (20) is fixedly arranged on the inner side of the air port (12), and an air flow port (21) is arranged on the air flow buffer cover (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493149.9U CN220064234U (en) | 2023-06-12 | 2023-06-12 | Variable-frequency grounding resistance tester for grounding grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493149.9U CN220064234U (en) | 2023-06-12 | 2023-06-12 | Variable-frequency grounding resistance tester for grounding grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220064234U true CN220064234U (en) | 2023-11-21 |
Family
ID=88755317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493149.9U Active CN220064234U (en) | 2023-06-12 | 2023-06-12 | Variable-frequency grounding resistance tester for grounding grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220064234U (en) |
-
2023
- 2023-06-12 CN CN202321493149.9U patent/CN220064234U/en active Active
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