CN212932732U

CN212932732U - Low-voltage prepayment metering box

Info

Publication number: CN212932732U
Application number: CN202021326297.8U
Authority: CN
Inventors: 康健
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-04-09
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a low pressure prepayment batch meter relates to power equipment technical field, specifically be a low pressure prepayment batch meter, the inside wall top fixedly connected with current transformer in switch cabin, the inside wall below fixedly connected with CJ20S ac contactor in switch cabin, the inside wall in meter cabin is located the below fixedly connected with terminal box of electric energy meter, the side upper end fixedly connected with inlet wire pipeline of box, turn right from a left side and be provided with the pilot lamp side by side in the bottom in meter cabin door, reputation buzzing light, closing button and separating brake button's the outside all is provided with the visor. This low pressure prepayment batch meter, through the cooperation setting of switch cabin, table meter cabin, division board and inlet wire pipeline, different devices are laid respectively in switch cabin and table meter cabin for overall structure is more reasonable after this low pressure prepayment batch meter combination, and the mode of connection is simpler, the degree of difficulty of greatly reduced installation and use.

Description

Low-voltage prepayment metering box

Technical Field

The utility model relates to a power equipment technical field specifically is a low pressure prepayment batch meter.

Background

The prepayment electric energy meter is also called as quantitative electric energy meter and IC card electric energy meter, except the metering function of common electric energy meter, specially, the user can use electricity after buying electricity, if the user does not continue to buy electricity after using up electricity, the power supply is cut off automatically to stop supplying electricity, the low-voltage prepayment metering box is mainly used for high-supply low-meter electricity consumers, and the prepayment function is realized for the user through the electricity terminal or the electric energy meter. Thoroughly solves the problem of difficult charge acceleration of first power consumption and then charge activation.

The internal structure of current low pressure prepayment batch meter is reasonable inadequately, and the inconvenient user operation in the in-service use of arranging of each device, in addition, the fault alarm procedure is sensitive accuracy inadequately, has the potential safety hazard, to this, provides a low pressure prepayment batch meter that reasonable in design, convenient operation and security performance are high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low pressure prepayment batch meter has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a low-voltage prepayment metering box comprises a box body, a switch cabin door and a meter cabin door, wherein the inside of the box body is provided with a switch cabin and a meter cabin, the two side ends of the box body are respectively hinged with the switch cabin door and the meter cabin door, a current transformer is fixedly connected above the inner side wall of the switch cabin, a CJ20S alternating current contactor is fixedly connected below the inner side wall of the switch cabin, a control meter box is fixedly connected above the inner side wall of the meter cabin, an electric energy meter is fixedly connected below the inner side wall of the meter cabin, a wiring terminal box is fixedly connected below the electric energy meter, a wire inlet pipeline is fixedly connected at the upper end of the side surface of the box body, the surface of the meter cabin door is provided with an observation window, an indicator lamp, an acousto-optic buzzing lamp, a closing button and an opening button are arranged side by side from left to right, and protective covers are arranged on the outer sides of the closing button and the opening button.

Optionally, a partition plate is fixedly connected inside the box body, the partition plate is located between the switch cabin and the meter cabin, and the volume of the switch cabin is larger than that of the meter cabin.

Optionally, one end of the separation plate is fixedly connected with a lock catch, a wire passing hole is formed in the surface of the separation plate, and the wire passing hole is communicated between the switch cabin and the meter cabin.

Optionally, a zero line row is fixedly connected to the inner side wall of the switch cabin, and the zero line row is located between the CJ20S ac contactor and the partition plate.

Optionally, a control terminal is arranged inside the control meter box, the CJ20S alternating current contactor is electrically connected with the control terminal through a zero line row, the current transformer is electrically connected with the CJ20S alternating current contactor, and the control terminal is electrically connected with the indicator light and the acousto-optic buzzer light.

Optionally, the electric energy meter is a three-phase four-wire multi-power electric energy meter, and the inside of the control terminal is divided into an alarm normally open contact A, B and a connection and disconnection normally open contact A, B.

Optionally, the openly fixedly connected with warning panel of switch hatch door, the quantity of observation window is two, two the observation window is corresponding control table case and electric energy meter respectively.

(III) advantageous effects

The utility model provides a low pressure prepayment batch meter possesses following beneficial effect:

1. this low pressure prepayment batch meter, through the cooperation setting of switch cabin, table meter cabin, division board and inlet wire pipeline, different devices are laid respectively in switch cabin and table meter cabin for overall structure is more reasonable after this low pressure prepayment batch meter combination, and the mode of connection is simpler, the degree of difficulty of greatly reduced installation and use.

2. This low pressure prepayment batch meter, through the cooperation setting of control terminal and pilot lamp, reputation buzzing lamp, combined floodgate button and separating brake button, control terminal passes through the design of mode of connection, has realized the coordinated control to separating brake and warning, and this low pressure prepayment batch meter structural design is reasonable, and the floodgate that opens and shuts and fault alarm are sensitive accurate, has improved the security performance of this low pressure prepayment batch meter, also makes the floodgate that opens and shuts control more easily and remind, convenience of customers uses in operation.

Drawings

FIG. 1 is a schematic structural view of the side of the box body of the present invention;

fig. 2 is a schematic structural view of the switch hatch and the meter hatch of the present invention;

FIG. 3 is a schematic view of the internal structure of the switch chamber and the meter chamber of the present invention;

fig. 4 is the utility model discloses the wiring diagram structure schematic diagram of control table case.

In the figure: 1. a box body; 2. opening and closing the cabin door; 3. a meter hatch; 4. a partition plate; 5. opening and closing the cabin; 6. a meter compartment; 7. a current transformer; 8. CJ20S ac contactor; 9. a control meter box; 10. an electric energy meter; 11. a terminal block; 12. a wire inlet pipeline; 13. an observation window; 14. an indicator light; 15. an acousto-optic buzzing lamp; 16. a closing button; 17. a brake separating button; 18. locking; 19. zero line arrangement; 20. a control terminal; 21. a protective cover; 22. a warning panel.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a low-voltage prepayment metering box comprises a box body 1, a switch cabin door 2 and a meter cabin door 3, wherein a partition plate 4 is fixedly connected inside the box body 1, the partition plate 4 is positioned between a switch cabin 5 and the meter cabin 6, the volume of the switch cabin 5 is larger than that of the meter cabin 6, one end of the partition plate 4 is fixedly connected with a lock catch 18, a wire passing hole is formed in the surface of the partition plate 4 and is communicated between the switch cabin 5 and the meter cabin 6, the switch cabin 5 and the meter cabin 6 are arranged inside the box body 1, the switch cabin door 2 and the meter cabin door 3 are respectively hinged at two side ends of the box body 1, a current transformer 7 is fixedly connected above the inner side wall of the switch cabin 5, a CJ20S alternating current contactor 8 is fixedly connected below the inner side wall of the switch cabin 5, a control meter box 9 is fixedly connected above the inner side wall of the meter cabin 6, and a, CJ20S AC contactor 8 is electrically connected with control terminal 20 through zero line row 19, current transformer 7 is electrically connected with CJ20S AC contactor 8, control terminal 20 is electrically connected with indicator lamp 14 and acousto-optic buzzer lamp 15, electric energy meter 10 is fixedly connected below the inner side wall of meter cabin 6, wiring terminal box 11 is fixedly connected below the inner side wall of meter cabin 6, electric energy meter 10 is a three-phase four-wire multi-power electric energy meter, the interior of control terminal 20 is divided into alarm normally-open contact A, B and opening and closing normally-open contact A, B, wire inlet pipeline 12 is fixedly connected to the upper end of the side surface of box body 1, warning panel 22 is fixedly connected to the front surface of switch cabin door 2, two observation windows 13 are arranged, two observation windows 13 correspond to control meter box 9 and electric energy meter 10 respectively, observation window 13 is arranged on the surface of meter cabin door 3, indicator lamp 14, indicator lamp 13, indicator lamp 10, alarm lamp 10, the acousto-optic buzzer lamp 15, the closing button 16 and the opening button 17, and protective covers 21 are arranged on the outer sides of the closing button 16 and the opening button 17.

When the box body 1 is in use, the box body is of a full stainless steel structure, the interior of the box body is divided into two cabins, the upper part of a switch cabin 5 is provided with a low-voltage current transformer 7, and the lower part of the switch cabin is provided with a CJ20S alternating current contactor 8; the upper part of the meter cabin 6 is provided with a control terminal 20, the lower part is provided with a metering electric energy meter 10, and the lowest part is provided with a three-phase four-wire combined connection terminal box 11; an indicator lamp 14, an acousto-optic buzzer lamp 15, a closing button 16 and an opening button 17 are arranged below the outer part of the meter cabin door 3, so that after a product is electrified, the closing button 16 is clicked, a switch is attracted, and the indicator lamp 14 is bright red; the opening button 17 is turned on, the switch is turned on and turned off, the indicator light 14 is turned on green, and the operation is repeatedly carried out for three times until the switch is closed; the brake separating line A, B is short-circuited, the switch acts, the indicator light 14 is green, the switch-on button 16 is clicked, and the switch is closed; the alarm line A, B is short-circuited, and the acousto-optic buzzing lamp 15 lights and sounds; when removing the short circuit, the lamp goes out, and this low pressure prepayment batch meter structural design is reasonable, opens and shuts the floodgate and fault alarm is sensitive accurate.

In summary, the following steps: this low pressure prepayment batch meter, through switch cabin 5, table meter cabin 6, division board 4 and inlet wire pipeline 12's cooperation setting, different devices are laid respectively to switch cabin 5 and table meter cabin 6, make this low pressure prepayment batch meter combination back overall structure more reasonable, the wiring mode is simpler, greatly reduced installs the degree of difficulty with the use, through control terminal 20 and pilot lamp 14, reputation buzzing lamp 15, closing button 16 and separating brake button 17's cooperation sets up, control terminal 20 passes through the wiring mode that figure 4 is shown, the coordinated control to separating brake and warning has been realized, this low pressure prepayment batch meter structural design is reasonable, the sensitive accuracy of separating brake and malfunction alerting, the security performance of this low pressure prepayment batch meter has been improved, also make the separating brake control and warning more easily, convenience of customers uses in operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low pressure prepayment batch meter, includes box (1), switch hatch door (2) and meter hatch door (3), its characterized in that: the inside of box (1) is provided with switch cabin (5) and meter cabin (6), the both sides end of box (1) articulates respectively has switch hatch door (2) and meter hatch door (3), the inside wall top fixedly connected with current transformer (7) of switch cabin (5), the inside wall below fixedly connected with CJ20S ac contactor (8) of switch cabin (5), the inside wall top fixedly connected with control table case (9) of meter cabin (6), the inside wall below fixedly connected with electric energy meter (10) of meter cabin (6), the inside wall of meter cabin (6) is located the below fixedly connected with wiring terminal box (11) of electric energy meter (10), the side upper end fixedly connected with inlet wire pipeline (12) of box (1), the surface of meter hatch door (3) is provided with observation window (13), the bottom of the meter cabin door (3) is provided with an indicator lamp (14), an acousto-optic buzzer lamp (15), a closing button (16) and an opening button (17) from left to right side by side, and protective covers (21) are arranged on the outer sides of the closing button (16) and the opening button (17).

2. A low-voltage prepaid metering box according to claim 1, characterized in that: the interior fixedly connected with division board (4) of box (1), division board (4) are located between switch cabin (5) and meter cabin (6), the volume in switch cabin (5) is greater than the volume in meter cabin (6).

3. A low-voltage prepaid metering box according to claim 2, characterized in that: one end of the separation plate (4) is fixedly connected with a lock catch (18), a wire passing hole is formed in the surface of the separation plate (4), and the wire passing hole is communicated between the switch cabin (5) and the meter cabin (6).

4. A low-voltage prepaid metering box according to claim 1, characterized in that: and a zero line row (19) is fixedly connected to the inner side wall of the switch cabin (5), and the zero line row (19) is positioned between the CJ20S AC contactor (8) and the partition plate (4).

5. A low-voltage prepaid metering box according to claim 4, characterized in that: the control meter box is characterized in that a control terminal (20) is arranged inside the control meter box (9), the CJ20S alternating current contactor (8) is electrically connected with the control terminal (20) through a zero line row (19), the current transformer (7) and the CJ20S alternating current contactor (8) are electrically connected, and the control terminal (20) is electrically connected with the indicator lamp (14) and the acousto-optic buzzer lamp (15).

6. A low-voltage prepaid metering box according to claim 5, characterized in that: the electric energy meter (10) is a three-phase four-wire multi-power electric energy meter, and the control terminal (20) is internally divided into an alarm normally open contact A, B and a connection and disconnection normally open contact A, B.

7. A low-voltage prepaid metering box according to claim 1, characterized in that: the positive fixedly connected with warning panel (22) of switch hatch door (2), the quantity of observation window (13) is two, two observation window (13) are corresponding control table case (9) and electric energy meter (10) respectively.