CN212905097U

CN212905097U - Wiring mode switching device applied to portable three-phase metering terminal

Info

Publication number: CN212905097U
Application number: CN202021984641.2U
Authority: CN
Inventors: 秦冬雷; 吴滨; 施火泉
Original assignee: Wuxi Hengtong Electric Appliance Co ltd
Current assignee: Wuxi Hengtong Electric Appliance Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-06
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a wiring mode switching device applied to a portable three-phase metering terminal, which comprises a machine body, wherein fixed columns are fixedly arranged at the tops of two sides of the machine body, a display screen is fixedly arranged at the top of the front side of the machine body, a detection groove is arranged at one end of the bottom of the front side of the machine body, a filter is fixedly arranged in the detection groove, an observation groove is arranged at the center of the bottom of the front side of the machine body, a camera is fixedly arranged in the observation groove, and standing grooves are arranged at two ends of the middle part of the front side of the machine body, the utility model discloses a wiring mode switching device applied to a portable three-phase metering terminal, two circuit boards simultaneously detect three-phase electricity, average value is obtained as a result, the installation of the filter further increases the detection accuracy, an insulating sleeve and two negative charge side voltage transformers prevent the, the safety factor of use is enhanced.

Description

Wiring mode switching device applied to portable three-phase metering terminal

Technical Field

The utility model relates to a mode of connection auto-change over device field specifically is a be applied to portable three-phase measurement terminal's mode of connection auto-change over device.

Background

Three phases are the most common type of multi-phase ac power system and are also divided into symmetrical and asymmetrical three phases. In the symmetrical three-phase system, the electromotive force amplitudes of the phases are equal and the phase difference between neighboring two phases is 1/3 cycles, so that the symmetrical three-phase system has the advantage of facilitating the transmission of electric energy and is a basic mode for power supply and power transmission.

However, the wire connection mode switching device in the market has the problems that the leakage of electricity between the machine body and the detection point is harmful, and the inaccuracy of the detected numerical value is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to portable three-phase measurement terminal's mode of connection auto-change over device to solve the electric leakage harm of organism itself and the check point that proposes in the above-mentioned background art, the numerical value that detects out the problem that the inaccuracy is high.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to portable three-phase measurement terminal's mode of connection auto-change over device, includes the organism, the equal fixed mounting in top of organism both sides has the fixed column, the positive top fixed mounting of organism has the display screen, the detection groove has been seted up to the one end of the positive bottom of organism, the inside fixed mounting who detects the groove has the wave filter, the observation groove has been seted up at the center of the positive bottom of organism, the inside fixed mounting of observation groove has the camera, the standing groove has all been seted up at the both ends at the positive middle part of organism, the bottom cover of organism and display screen junction is equipped with the antiskid cover, a plurality of antiskid line has been seted up on the surface of antiskid cover, the other end fixed.

As a preferred technical proposal of the utility model, one side of the inner wall of the machine body is fixedly provided with a power detector, both ends of one side of the power detector are respectively fixedly connected with one ends of two first connecting plates, the other ends of the two first connecting plates are both fixedly provided with circuit boards, one sides of the two circuit boards are respectively fixedly connected with one ends of two second connecting plates, the two second connecting plates are respectively fixedly connected with both ends of one side of a transformer, the center of one side of the two first connecting plates is both fixedly provided with a power supply side voltage transformer, the center of one side of the two second connecting plates is both fixedly provided with a negative charge voltage transformer, the other side of the inner part of the machine body is fixedly provided with a processor, and the camera, the filter, the power detector, the transformer, the two negative charge voltage transformers and the two power supply side voltage transformers are all electrically, the processor is electrically connected with the display screen and is electrically connected with the external power supply through the switch.

As a preferred technical scheme of the utility model, two the equal fixed mounting in both ends and one side of circuit board has the coil, two the equal fixed mounting of opposite side of circuit board has inductive switch.

As an optimal technical scheme of the utility model, the surface cover of organism is equipped with insulating cover, insulating cover is made by rubber materials.

As an optimized technical scheme of the utility model, one side fixed mounting of bottom of the body has solid fixed ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. two circuit boards are arranged to detect three-phase electricity at the same time, the result is averaged, and the installation of the filter increases the detection accuracy;

2. the insulating sleeve and the two negative charge side voltage transformers are arranged to prevent the electric leakage of the machine body, the electric leakage of the detection points is prevented by the installation of the two power supply side voltage transformers, and the use safety factor is enhanced.

Drawings

Fig. 1 is a front view of the machine body of the present invention;

FIG. 2 is a schematic view of the internal structure of the machine body of the present invention;

fig. 3 is a schematic structural diagram of the circuit board of the present invention.

In the figure: 1. a body; 2. fixing a column; 3. an insulating sleeve; 4. a display screen; 5. a filter; 6. a fixing ring; 7. a placement groove; 8. an anti-slip sleeve; 9. a power supply detector; 10. a first connecting plate; 11. a power supply side voltage transformer; 12. a circuit board; 13. a transformer; 14. a processor; 15. a second connecting plate; 16. a negative charge side voltage transformer; 17. a detection tank; 18. a camera; 19. an observation tank; 20. a coil; 21. an inductive switch; 22. and (4) switching.

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.

Please refer to fig. 1-3, the utility model provides a be applied to portable three-phase measurement terminal's mode of connection auto-change over device, including organism 1, the equal fixed mounting in top of organism 1 both sides has fixed column 2, 1 positive top fixed mounting of organism has display screen 4, detection tank 17 has been seted up to the one end of 1 positive bottom of organism, detection tank 17's inside fixed mounting has wave filter 5, observation tank 19 has been seted up at the center of 1 positive bottom of organism, the inside fixed mounting of observation tank 19 has camera 18, standing groove 7 has all been seted up at the both ends at 1 positive middle part of organism, the bottom cover of organism 1 and the display screen 4 junction is equipped with antiskid cover 8, a plurality of antiskid line has been seted up on antiskid cover 8's surface, the other end fixed mounting of 1 positive bottom of organism has switch 22.

Preferably, a power detector 9 is fixedly mounted on one side of the inner wall of the machine body 1, two ends of one side of the power detector 9 are respectively fixedly connected with one ends of two first connecting plates 10, circuit boards 12 are respectively fixedly mounted on the other ends of the two first connecting plates 10, one sides of the two circuit boards 12 are respectively fixedly connected with one ends of two second connecting plates 15, the two second connecting plates 15 are respectively fixedly connected with two ends of one side of a transformer 13, a power side voltage transformer 11 is respectively fixedly mounted in the center of one side of the two first connecting plates 10, a negative charge voltage transformer 16 is respectively fixedly mounted in the center of one side of the two second connecting plates 15, a processor 14 is fixedly mounted on the other side of the interior of the machine body 1, and a camera 18, a filter 5, the power detector 9, the transformer 13, the two negative charge voltage transformers 16 and the two power side voltage, the processor 14 is electrically connected with the display screen 4, the processor 14 is electrically connected with an external power supply through the switch 22, and the machine body 1 detects and displays the detection power supply after voltage conversion.

Preferably, both ends and one side of the two circuit boards 12 are fixedly provided with coils 20, the other sides of the two circuit boards 12 are fixedly provided with induction switches 21, and the two circuit boards 12 are provided with three coils 20 for switching three-phase power.

Preferably, the surface cover of organism 1 is equipped with insulating cover 3, and insulating cover 3 is made by rubber materials, and insulating cover 3's setting prevents that there is the potential safety hazard in the electric leakage after organism 1 uses for a long time.

Preferably, one side fixed mounting of organism 1 bottom has solid fixed ring 6, and organism 1 can install through two fixed columns 2, also can install through solid fixed ring 6, and the mounting means is various.

When in specific use, the utility model relates to a wiring mode switching device applied to a portable three-phase metering terminal, a machine body 1 can be installed through fixed columns 2 at the top parts of two sides and also can be installed through a fixed ring 6 at one side of the bottom part of the machine body 1, the installation mode is various, the surface of the machine body 1 is sleeved with an insulating sleeve 3, the insulating sleeve 3 is made of rubber materials, the danger of electric leakage after the machine body 1 is used for a long time is prevented, the use safety of a user is protected, two sides at the middle part of the front surface of the machine body 1 are provided with placing grooves 7, two placing grooves 7 are convenient for the user to take and place detection equipment, an anti-slip sleeve 8 is sleeved between the two placing grooves 7 and a display screen 4, the surface of the anti-slip sleeve 8 is provided with a plurality of anti-slip lines, the setting of the anti-slip sleeve 8 is convenient for the, the type of the filter 5 is F4507, the filter 5 filters electromagnetic waves generated by a circuit which does not need to be detected, the detection accuracy of the machine body 1 is ensured, the internal power detector 9 of the machine body 1 detects a power which needs to be detected, the type of the power detector 9 is HT7022A, the two power supply side voltage transformers 11 prevent the detection circuit from leaking electricity and further detect, the two negative charge side voltage transformers 16 detect the interior of the machine body 1 and prevent the interior of the machine body 1 from leaking electricity, the types of the two power supply side voltage transformers 11 and the two negative charge side voltage transformers 16 are both JJDJ-35, the transformer 13 degrades voltage, so that a user can safely detect the voltage, the type of the transformer 13 is S9-1000/10, the two circuit boards 12 are processed by the processor 14 to enable the corresponding inductive switches 21 to be in circuit communication, and the types of the two inductive switches 21 are both D200K-, the processor 14 is of the core I3 type.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a be applied to portable three-phase measurement terminal's mode of connection auto-change over device, includes organism (1), its characterized in that: the anti-skidding type anti-skidding machine is characterized in that fixed columns (2) are fixedly mounted at the tops of two sides of the machine body (1), a display screen (4) is fixedly mounted at the front top of the machine body (1), a detection groove (17) is formed in one end of the front bottom of the machine body (1), a filter (5) is fixedly mounted inside the detection groove (17), an observation groove (19) is formed in the center of the front bottom of the machine body (1), a camera (18) is fixedly mounted inside the observation groove (19), standing grooves (7) are formed in two ends of the front middle of the machine body (1), an anti-skidding sleeve (8) is sleeved at the bottom of the joint of the machine body (1) and the display screen (4), a plurality of anti-skidding lines are formed in the surface of the anti-skidding sleeve (8), and a switch (22) is.

2. The connection mode switching device applied to the portable three-phase metering terminal as claimed in claim 1, wherein: organism (1) one side fixed mounting of inner wall has photodetector (9), the both ends of photodetector (9) one side respectively with the one end fixed connection of two first connecting plates (10), two the equal fixed mounting of the other end of first connecting plate (10) has circuit board (12), two one side of circuit board (12) respectively with the one end fixed connection of two second connecting plates (15), two second connecting plate (15) respectively with the both ends fixed connection of transformer (13) one side, two the equal fixed mounting in center of first connecting plate (10) one side has power side voltage transformer (11), two the equal fixed mounting in center of second connecting plate (15) one side has negative charge voltage transformer (16), organism (1) inside opposite side fixed mounting has treater (14), camera (18), Wave filter (5), power detector (9), transformer (13), two negative charge voltage transformer (16) and two power supply side voltage transformer (11) all with treater (14) electric connection, treater (14) and display screen (4) electric connection, treater (14) pass through switch (22) and external power supply electric connection.

3. The connection mode switching device applied to the portable three-phase metering terminal as claimed in claim 2, wherein: two equal fixed mounting in both ends and one side of circuit board (12) has coil (20), two the equal fixed mounting of opposite side of circuit board (12) has inductive switch (21).

4. The connection mode switching device applied to the portable three-phase metering terminal as claimed in claim 1, wherein: the surface of the machine body (1) is sleeved with an insulating sleeve (3), and the insulating sleeve (3) is made of a rubber material.

5. The connection mode switching device applied to the portable three-phase metering terminal as claimed in claim 1, wherein: one side of the bottom of the machine body (1) is fixedly provided with a fixing ring (6).