CN217739319U - Digital high-precision grounding resistance tester - Google Patents
Digital high-precision grounding resistance tester Download PDFInfo
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- CN217739319U CN217739319U CN202221160120.4U CN202221160120U CN217739319U CN 217739319 U CN217739319 U CN 217739319U CN 202221160120 U CN202221160120 U CN 202221160120U CN 217739319 U CN217739319 U CN 217739319U
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Abstract
The utility model discloses a high-accuracy tight grounding resistance appearance of digital, including ground resistance tester main part, be connected with a plurality of connecting wire in the ground resistance tester main part, install two mounting structure in the ground resistance tester main part, the cover is equipped with the anticreep spring on the mounting structure, two slidable mounting has a limit structure on the mounting structure, limit structure contains mounting substrate, bracing piece and limit baffle, the bracing piece has a plurality of and evenly installs the rear end at mounting substrate. A high-accuracy tight grounding resistance appearance of digital belongs to the resistance measuring apparatu field, through setting up limit structure and anticreep spring, can be convenient for carry on spacingly to the connecting wire of connection in ground resistance tester main part to can reduce connecting wire and bump the probability of back and ground resistance tester main part disconnection receiving the mistake, finally make the use of ground resistance tester main part can be more stable.
Description
Technical Field
The utility model relates to a resistance measuring instrument field, in particular to high-accuracy tight grounding resistance appearance of digital.
Background
The digital ground resistance tester is mainly used for measuring ground resistance and soil resistivity, and is widely applied to ground resistance measurement of electric power, telecommunication, meteorology, oil fields, buildings, lightning protection, industrial electrical equipment and the like. The digital grounding resistance meter adopts an advanced medium-large scale integrated circuit, and combines a three-terminal button and four-terminal button measuring mode into a novel digital grounding resistance meter of one type by applying a DC/AC conversion technology. The DC/AC converter in the machine changes the DC into AC low-frequency constant current, and the AC low-frequency constant current passes through the auxiliary grounding electrode C and the object to be tested E to form a loop, and the alternating current voltage drop is generated on the object to be tested, and the alternating current voltage drop is sent to the alternating current amplifier for amplification through the auxiliary grounding electrode P, and then sent to the meter head for display through the detection.
High-accuracy digital ground resistance appearance is when using, often need use the wire to be connected with the probe of inserting in soil, but current high-accuracy digital ground resistance appearance can have certain defect when using, be promptly when the wire with high-accuracy digital ground resistance appearance be connected the back, because do not have corresponding stop device, thereby make the wire bump the back by the mistake easily with high-accuracy digital ground resistance appearance disconnection, and then finally can influence the normal use of high-accuracy digital ground resistance appearance.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a high-accuracy tight grounding resistance appearance of digital can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the digital high-precision tight grounding resistance tester comprises a grounding resistance tester main body, wherein a plurality of connecting wires are connected to the grounding resistance tester main body, two mounting structures are mounted on the grounding resistance tester main body, an anti-falling spring is sleeved on each mounting structure, a limiting structure is slidably mounted on each mounting structure and comprises a mounting base plate, a supporting rod and a limiting baffle, the supporting rods are uniformly mounted at the rear end of the mounting base plate, and the limiting baffles are provided with a plurality of connecting wires and are respectively mounted at the rear ends of the supporting rods.
Preferably, a protection upper cover is installed at the upper end of the grounding resistance tester main body, and a plurality of connecting sockets are arranged on the grounding resistance tester main body.
Preferably, a plurality of all be provided with the connector on the connecting wire, be provided with the fender ring on the outer wall of connector, the connector is inserted on the connection socket that sets up in the ground resistance tester main part.
Preferably, mounting structure contains installation base rod and anticreep baffle, the anticreep baffle is installed in the rear end of installation base rod, the installation base rod passes through screw fixed mounting on the front side inner wall of ground resistance tester main part, installation base rod and anticreep baffle be the integrated into one piece structure.
Preferably, the anti-falling spring is sleeved on the mounting base rod on the mounting structure.
Preferably, mounting substrate, bracing piece and limit baffle on the limit structure are integrated into one piece structure, two installation through-holes have been seted up to the symmetry on the mounting substrate, two the installation through-hole runs through mounting substrate's front and back both ends respectively, mounting substrate is through two installation through-holes slidable mounting that two upper symmetries were seted up on two mounting structure's two installation base poles, mounting substrate is located the rear of two anticreep springs, limit baffle is the semi-ring structure, limit baffle is located the upper end of the fender ring that sets up on the connector outer wall.
Compared with the prior art, the utility model discloses following beneficial effect has:
the limiting structure and the anti-falling spring are matched with each other, so that the limiting structure can limit the connecting wire connected to the grounding resistance tester main body conveniently, the probability that the connecting wire is disconnected from the grounding resistance tester main body after being touched by mistake can be reduced, and the grounding resistance tester main body can be used more stably; through setting up gliding limit structure around, can be so that limit structure's existence can not influence connecting wire's normal plug.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of fig. 1 at a according to the present invention;
fig. 3 is a schematic structural view of the mounting structure and the anti-dropping spring of the present invention;
fig. 4 is a schematic structural diagram of the limiting structure of the present invention.
In the figure: 1. a ground resistance tester main body; 2. a mounting structure; 3. an anti-drop spring; 4. a limiting structure; 5. connecting a lead; 6. protecting the upper cover; 7. a connection socket; 8. installing a base rod; 9. an anti-drop baffle plate; 10. a mounting substrate; 11. a support bar; 12. a limit baffle; 13. mounting a through hole; 14. a connector; 15. a baffle ring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1:
referring to fig. 1, 2 and 3, a digital high-precision tight-contact ground resistance tester comprises a ground resistance tester body 1, wherein a protective upper cover 6 is installed at the upper end of the ground resistance tester body 1, a plurality of connecting sockets 7 are arranged on the ground resistance tester body 1, a plurality of connecting wires 5 are connected to the ground resistance tester body 1, connectors 14 are arranged on the connecting wires 5, a baffle ring 15 is arranged on the outer wall of the connector 14, the connectors 14 are inserted into the connecting sockets 7 arranged on the ground resistance tester body 1, two mounting structures 2 are installed on the ground resistance tester body 1, each mounting structure 2 comprises a mounting base rod 8 and an anti-dropping baffle 9, the anti-dropping baffle 9 is installed at the rear end of the mounting base rod 8, the mounting base rod 8 is fixedly installed on the inner wall of the front side of the ground resistance tester body 1 through screws, the mounting base rod 8 and the anti-dropping baffle 9 are of an integrally formed structure, and when in use, the ground resistance tester body 1 can be connected with a probe inserted into soil through the connecting wires 5 to measure the ground resistance and the resistivity of the soil.
Example 2:
referring to fig. 1, 2, 3 and 4, an anti-falling spring 3 is sleeved on a mounting structure 2, the anti-falling spring 3 is sleeved on a mounting base rod 8 on the mounting structure 2, a limiting structure 4 is slidably mounted on two mounting structures 2, the limiting structure 4 comprises a mounting substrate 10, a supporting rod 11 and a limiting baffle 12, the supporting rod 11 is provided with a plurality of mounting substrates 10 and is uniformly mounted at the rear end of the mounting substrate 10, the limiting baffle 12 is provided with a plurality of mounting substrates 10, the supporting rod 11 and the limiting baffle 12 which are respectively mounted on the limiting structures 4 at the rear end of the supporting rods 11 are of an integrally formed structure, two mounting through holes 13 are symmetrically formed on the mounting substrate 10, the two mounting through holes 13 respectively penetrate through the front end and the rear end of the mounting substrate 10, mounting substrate 10 is through two installation through-holes 13 slidable mounting that its symmetry was seted up on two installation base rods 8 on two mounting structure 2, mounting substrate 10 is located two anticreep spring 3's rear, limit baffle 12 is the semi-ring structure, limit baffle 12 is located the upper end of the fender ring 15 that sets up on the connector 14 outer wall, gliding limit structure 4 and anticreep spring 3's existence around can, can be convenient for carry on spacingly to connecting wire 5 of connection on ground resistance tester main part 1, thereby can reduce connecting wire 5 and ground resistance tester main part 1 after receiving the mistake and bump the probability of breaking away from the connection, finally make ground resistance tester main part 1's use can be more stable simultaneously, because limit structure 4 can slide from beginning to end, thereby can make limit structure 4's existence can not influence connecting wire 5's normal plug.
It should be noted that, the utility model relates to a digital high-precision airtight ground resistance meter, in the use, when needs are connected connecting wire 5 with ground resistance tester main part 1, at first stimulate limit structure 4 forward, thereby make limit structure 4 slide forward on installation base rod 8 on mounting structure 2, anti-disengaging spring 3 can be compressed by limit structure 4 this moment, can insert connector 14 on connecting wire 5 on the connecting socket 7 that sets up on ground resistance tester main part 1 after that, the connection of connecting wire 5 with ground resistance tester main part 1 has been accomplished this moment, at last loosen limit structure 4 again, anti-disengaging spring 3 can promote limit structure 4 backward this moment, thereby make mounting substrate 10 on limit structure 4 and the anti-disengaging baffle 9 contact on mounting structure 2, limit structure 4 has accomplished the backward reset this moment, and limit baffle 12 on limit structure 4 can block on connector 14, and be in the top of retaining ring 15, under limit structure 4 blocks, connecting wire 5 can reduce with the probability of bumping from being connected with ground resistance tester main part 1 after receiving ground.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a digital high-accuracy tight grounding resistance appearance, includes ground resistance tester main part (1), be connected with a plurality of connecting wire (5) on ground resistance tester main part (1), its characterized in that: install two mounting structure (2) on ground resistance tester main part (1), the cover is equipped with anticreep spring (3), two on mounting structure (2) slidable mounting has a limit structure (4) on mounting structure (2), limit structure (4) contain mounting substrate (10), bracing piece (11) and limit baffle (12), bracing piece (11) have a plurality of and evenly install the rear end at mounting substrate (10), limit baffle (12) have a plurality of and install the rear end at a plurality of bracing piece (11) respectively.
2. The digital high-precision tight-contact resistance meter according to claim 1, characterized in that: the ground resistance tester is characterized in that a protective upper cover (6) is installed at the upper end of the ground resistance tester main body (1), and a plurality of connecting sockets (7) are arranged on the ground resistance tester main body (1).
3. The digital high-precision grounding resistance instrument according to claim 2, wherein: the grounding resistance tester is characterized in that the connecting wires (5) are provided with connectors (14), the outer walls of the connectors (14) are provided with baffle rings (15), and the connectors (14) are inserted into connecting sockets (7) arranged on the grounding resistance tester main body (1).
4. The digital high-precision tight-contact resistance meter according to claim 3, characterized in that: mounting structure (2) contain installation base rod (8) and anticreep baffle (9), the rear end in installation base rod (8) is installed in anticreep baffle (9), installation base rod (8) are through screw fixed mounting on the front side inner wall of ground resistance tester main part (1), installation base rod (8) and anticreep baffle (9) are the integrated into one piece structure.
5. The digital high-precision tight-contact resistance meter according to claim 4, characterized in that: the anti-falling spring (3) is sleeved on the mounting base rod (8) on the mounting structure (2).
6. The digital high-precision joint grounding resistance instrument according to claim 5, characterized in that: mounting substrate (10), bracing piece (11) and limit baffle (12) on limit structure (4) are integrated into one piece structure, two installation through-holes (13) have been seted up to the symmetry on mounting substrate (10), two installation through-holes (13) are run through with mounting substrate (10) front and back both ends respectively, two installation through-holes (13) slidable mounting that mounting substrate (10) symmetry was seted up through it are on two installation base rods (8) on two mounting structure (2), mounting substrate (10) are located the rear of two anticreep springs (3), limit baffle (12) are semi-annular structure, limit baffle (12) are located the upper end of the fender ring (15) that set up on connector (14) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221160120.4U CN217739319U (en) | 2022-05-16 | 2022-05-16 | Digital high-precision grounding resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221160120.4U CN217739319U (en) | 2022-05-16 | 2022-05-16 | Digital high-precision grounding resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217739319U true CN217739319U (en) | 2022-11-04 |
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ID=83836914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221160120.4U Active CN217739319U (en) | 2022-05-16 | 2022-05-16 | Digital high-precision grounding resistance tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217739319U (en) |
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2022
- 2022-05-16 CN CN202221160120.4U patent/CN217739319U/en active Active
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