CN218449052U - Intelligent high-voltage floor type metering box - Google Patents

Abstract

An intelligent high-voltage floor type metering box comprises a metering box body, wherein the interior of the cabinet body is divided into an independent wire inlet chamber, a wire outlet chamber, a control chamber, a metering chamber and an operation chamber through metal partition plates, the opening and closing doors of the control chamber and the metering chamber are double-layer doors, and a microcomputer protection device, a forced electrified display, an opening button, a closing button and an energy storage knob are installed on a door plate of the control chamber; the on-column circuit breaker is installed in the wire inlet chamber, the on-column circuit breaker is installed at the bottom of the wire inlet chamber through the on-column support, three wire inlet ends of the on-column circuit breaker are respectively connected with the high-voltage wire inlet copper bar, three wire outlet ends of the on-column circuit breaker are respectively connected with the three protection current transformers, and the three protection current transformers are connected with the high-voltage wire outlet copper bar.

Description

Intelligent high-voltage floor type metering box

Technical Field

The invention relates to the field of high-voltage measurement of 10kV high-voltage power supply, in particular to an intelligent high-voltage floor type measuring box.

Background

A conventional 10kV high-voltage power supply high-voltage metering scheme is realized by adopting a pole-mounted circuit breaker and a combined metering unit (an integrated current transformer and a voltage transformer). The pole-mounted circuit breaker and the combined metering unit are mounted on the cross arm of two telegraph poles, and the control box equipped with microcomputer protection device and the metering box equipped with electric energy meter are mounted on the telegraph poles, and the lightning arrester is also mounted on the telegraph poles, and they are connected together by means of high-voltage electric wire. In view of safety in use, the pole-mounted circuit breaker, the combined metering unit, the lightning arrester, and the high-voltage connecting line are installed on a utility pole located at about 6 m from the ground, and the control box and the metering box are installed on a utility pole located at about 3.5 m from the ground.

In the in-service use in-process, the divide-shut brake state, the energy storage state of circuit breaker on the post, metering unit's user state, whether wire connection is firm reliable, whether components and parts have crackle or ageing etc. subaerial unable observation, if components and parts are qualified for the next round of competitions the problem, unable timely discovery causes potential safety hazard and incident easily. The on-pole circuit breaker is required to stand on the ground by an operator in the switching-on and switching-off operation and the energy storage operation, the switching-on and switching-off and the energy storage of the circuit breaker are operated through an insulating operating rod about 5 meters long, and the operation is very inconvenient. In the debugging process of the pole-mounted circuit breaker and the microcomputer protection device, the pole-mounted circuit breaker and the microcomputer protection device need to climb to a telegraph pole to set a protection fixed value for microcomputer protection; when checking meter, also need climb to the wire pole and record the number of degrees of electric energy meter, these operations all can fall and electrocute the risk in high altitude, threaten operating personnel's safety.

High-voltage live parts such as pole-mounted circuit breakers, metering units, high-voltage wires and lightning arresters are exposed in the air, and are easy to cause insulation breakdown in humid, dusty and dirty environments, so that equipment and personal safety are damaged. At this height, branches or other foreign matter can also cause two-phase or three-phase short circuit, which affects the reliability of the equipment. The insulation aging and cracking of components are easily caused by the long-time work in the air and the natural wind and the sun, and the service life of the product and the reliability of the work are reduced.

Disclosure of Invention

In order to solve the problems, the invention provides an intelligent high-voltage floor type metering box, which is realized by the following technical scheme:

an intelligent high-voltage floor type metering box comprises a metering box body, the interior of a cabinet body is divided into an independent wire inlet chamber, a wire outlet chamber, a control chamber, a metering chamber and an operation chamber through metal partition plates, the wire inlet chamber, the wire outlet chamber, the control chamber, the metering chamber and the operation chamber are respectively provided with a switch door, the switch doors of the control chamber and the metering chamber are double-layer doors, and a microcomputer protection device, a forced electrified display, a brake separating button 8, a closing button and an energy storage knob are installed on a door plate of the control chamber; the incoming line room install the circuit breaker on the post, the circuit breaker on the post passes through the post upper bracket and installs in the incoming line room bottom, the three inlet wire end of circuit breaker on the post connects A looks high-voltage incoming line copper bar, B looks high-voltage incoming line copper bar and C looks high-voltage incoming line copper bar respectively, three protection current transformer is connected respectively to the three leading-out terminal of circuit breaker on the post, three protection current transformer connects A looks high-voltage outgoing line copper bar, B looks high-voltage outgoing line copper bar and C looks high-voltage outgoing line copper bar respectively.

And the A-phase high-voltage incoming line copper bar, the B-phase high-voltage incoming line copper bar and the C-phase high-voltage incoming line copper bar are respectively connected with a lightning arrester in parallel.

And the A-phase high-voltage incoming copper bar and the B-phase high-voltage incoming copper bar are connected in parallel with a power supply voltage transformer, and the transformation ratio of the power supply voltage transformer is 10kV/0.22kV.

The A-phase high-voltage outgoing copper bar is connected with an A-phase metering voltage transformer, the C-phase high-voltage outgoing copper bar is connected with a C-phase metering voltage transformer, the A-phase high-voltage outgoing copper bar is connected with an A-phase metering current transformer, the C-phase high-voltage outgoing copper bar is connected with a C-phase metering current transformer, and the B-phase high-voltage outgoing copper bar is connected with the A-phase metering voltage transformer and the C-phase metering voltage transformer.

The pole-mounted circuit breaker is provided with a switching-on/off operating shaft 50 and an energy storage operating shaft 45, and the switching-on/off operating shaft 50 and the energy storage operating shaft 45 extend to an operating chamber.

The operating room is provided with an opening and closing observation window 47 and an energy storage observation window 46.

The metering chamber be provided with the observation window, the observation window adopt transparent organic glass preparation.

The protection CT transformation ratio of the pole-mounted breaker is adjustable, and the CT transformation ratio of the pole-mounted breaker is adjustable in three gears of 200/5, 400/5 and 600/5.

The electromagnetic lock is characterized in that a first electromagnetic lock is installed on the inner side of the wire inlet chamber switch door, a second electromagnetic lock is installed on the inner side of the wire outlet chamber switch door, and the first electromagnetic lock and the second electromagnetic lock are electrically connected with a forced type electrified display.

The inner edge of the back door is provided with a bolt mounting plate.

Compared with the prior art, the invention has the following beneficial effects:

an intelligent high-voltage floor type metering box comprises a metering box body, wherein the interior of the cabinet body is divided into an independent wire inlet chamber, a wire outlet chamber, a control chamber, a metering chamber and an operation chamber through metal partition plates, the wire inlet chamber, the wire outlet chamber, the control chamber, the metering chamber and the operation chamber are respectively provided with a switch door, the switch doors of the control chamber and the metering chamber are double-layer doors, a microcomputer protection device, a forced electrified display, a brake separating button, a closing button and an energy storage knob are arranged on a door plate of the control chamber; the on-column circuit breaker is installed in the wire inlet chamber, the on-column circuit breaker is installed at the bottom of the wire inlet chamber through an on-column support, three wire inlet ends of the on-column circuit breaker are respectively connected with an A-phase high-voltage wire inlet copper bar, a B-phase high-voltage wire inlet copper bar and a C-phase high-voltage wire inlet copper bar, three wire outlet ends of the on-column circuit breaker are respectively connected with three protection current transformers, and the three protection current transformers are connected with the A-phase high-voltage wire outlet copper bar, the B-phase high-voltage wire outlet copper bar and the C-phase high-voltage wire outlet copper bar.

Drawings

Fig. 1 is a left side view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a right side view of the present invention.

Figure 4 is a control chamber and a metering chamber of the present invention.

Fig. 5 is a front view (hidden front door panel, hidden observation window door panel).

Fig. 6 is an internal schematic view 1.

Fig. 7 is an internal schematic view 2.

Fig. 8 is a schematic diagram of a pole top circuit breaker.

Fig. 9 is a schematic view of a control room.

Fig. 10 shows a pole top breaker protection CT transformation ratio adjustable structure 1.

Fig. 11 shows the pole top breaker protection CT transformation ratio adjustable structure 2.

Fig. 12 is a schematic view of an electromagnetic lock 1.

Fig. 13 is a schematic view of an electromagnetic lock 2.

Figure 14 shows a rear latch mounting plate structure 1.

Figure 15 shows a rear latch mounting plate structure 2.

Detailed Description

The invention is described in further detail below with reference to the drawings and the detailed description.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 15, the high-voltage floor-standing type metering box integrates three-section protection and five-chamber isolation, and generally comprises 5 parts: the device comprises a wire inlet chamber 101, a wire outlet chamber 102, a control chamber 103, a metering chamber 104 and an operation chamber 42, wherein the five chambers are separated through metal partition plates and are independent to form chambers, so that mutual independence is guaranteed, and mutual influence is avoided.

This batch meter is provided with the switch door all around, the switch door articulates on the stand section bar, the batch meter front portion is the design of double-layer door, 1 left sides of qianmen articulate on batch meter stand section bar, 1 right side intermediate position of qianmen is provided with the handle 1001 of opening qianmen 1, 1 inside control room 103 and the measuring room 104 of being provided with in qianmen, control room 103 distributes in the left side, measuring room 104 distributes on the right side, control room 103 and measuring room 104, can carry out parameter setting and debugging to the microcomputer protection, also can observe the strapping table reading in the measuring room, carry out the strapping table and check meter.

The inside control room door plant 5 that is provided with of control room 103, control room door plant 5 articulates on the left side stand, and the distribution is installed computer protection device 7 on the control room door plant 5, and compulsory electrified display 6, separating brake button 8, the integrated pilot lamp of separating brake button 8, closing button 9, the integrated pilot lamp of closing button 9, energy storage knob 10. Under the condition that the control room door panel 5 is not opened, parameter setting and joint debugging with the circuit breaker can be carried out to the microcomputer protection device to can be through the divide-shut brake button control circuit breaker's divide-shut brake, carry out the energy storage operation to circuit breaker mechanism through the energy storage knob. The forced charging display 6 receives an induced voltage signal from the high voltage sensor to indicate whether the high voltage side is charged or not.

The inside metering room door plant 11 that is provided with of metering room 104, metering room door plant 11 articulates on the stand of right side, and metering room door plant 11 upper portion is provided with two observation windows: electric energy meter observation window 13 and electric energy collection terminal observation window 14, electric energy meter observation window 13 and electric energy collection terminal observation window 14 adopt transparent organic glass to make. Under the condition of not opening the door plate of the metering room, the power consumption of the electric energy meter can be seen through the observation window 13 of the electric energy meter, and the real-time digital display of the electric energy acquisition terminal can be seen through the observation window 14 of the electric energy acquisition terminal.

The inlet wire chamber observation window and the outlet wire chamber observation window are designed, an inlet wire chamber observation window door plate and an outlet wire chamber observation window door plate are arranged on the upper portions of the control chamber and the metering chamber, the inlet wire chamber observation window door plate and the outlet wire chamber observation window door plate are respectively hinged on the left stand column and the right stand column, an inlet wire chamber observation window 15 is arranged on the inlet wire chamber observation window door plate, an outlet wire chamber observation window is arranged on the outlet wire chamber observation window door plate, and the inlet wire chamber observation window 15 can see the working states of a power supply voltage transformer, a pole circuit breaker, a high-voltage fuse, a lightning arrester, a high-voltage inlet wire cable, a cable head and the like in the inlet wire chamber. The outlet chamber observation window 16 can see the working states of the metering current transformer, the metering voltage transformer, the high-voltage fuse, the outlet cable, the cable head and the like in the outlet chamber. Through two observation windows, if the components in the wire inlet chamber and the wire outlet chamber have the conditions of aging, cracking, spark discharge, dirt, condensation and the like, the components can be found in time and can be treated in time, so that accidents are prevented.

The wire inlet chamber is structurally arranged, the left side of the metering box is a wire inlet chamber, the right side of the metering box is a wire outlet chamber, a metering box middle partition plate 28 is arranged between the wire inlet chamber and the wire outlet chamber and separates the wire inlet chamber and the wire outlet chamber, so that the wire inlet chamber and the wire outlet chamber are separately formed into chambers, and a cable wire inlet hole 25 is formed in the bottom of the box body inside the wire inlet chamber; the on-column circuit breaker comprises an on-column circuit breaker support 24 arranged at the bottom of a wire inlet chamber, an on-column circuit breaker 20 fixed on the column by screws on the upper portion of the on-column circuit breaker support 24, the on-column circuit breaker 20 comprises a mechanism box at the lower portion and three poles on the upper portion of the mechanism box, the three poles are wire inlet ends of the on-column circuit breaker 20, an A-phase high-voltage wire outlet copper bar 221, a B-phase high-voltage wire outlet copper bar 222 and a C-phase high-voltage wire outlet copper bar 223 are respectively fixed by bolts on the three poles of the on-column circuit breaker 20, the A-phase high-voltage wire outlet copper bar 221, the B-phase high-voltage wire outlet copper bar 222 and the C-phase high-voltage wire outlet copper bar 223 are L-shaped, one ends of the three high-voltage wire inlet copper bars, far away from the on-column circuit breaker 20, are provided with long circular holes for fixing high-voltage cables penetrating from a cable wire inlet hole 25, the A-phase high-voltage wire outlet copper bar 221, the B-phase high-voltage wire outlet copper bar 222 and the C-phase high-voltage wire outlet copper bar 223 are respectively fixed with three high-voltage sensors 21, the high-voltage sensor 21 are fixed on a metering box, the high-voltage sensor 21 senses power supply voltage, and can be matched with a charged display 6 to indicate whether the wire inlet end of the metering box is charged. The lightning arrester 19 is connected in parallel to the upper portion of the high-voltage incoming copper bar 22, and can perform voltage limiting protection on primary components such as the pole top circuit breaker 20, the current transformer 23, the A-phase metering voltage transformer 29 and the C-phase metering voltage transformer 30 if lightning overvoltage or operation overvoltage exists, so that damage to the primary components due to insulation breakdown of the primary components due to the overvoltage is prevented. The number of the high-voltage incoming copper bars 22 is three as shown in the figure, namely an A-direction high-voltage incoming copper bar 221, a B-direction high-voltage incoming copper bar 222 and a C-direction high-voltage incoming copper bar 223, wherein a power supply voltage transformer 17 is connected in parallel on the A-direction high-voltage incoming copper bar 221 and the B-direction high-voltage incoming copper bar 222, the transformation ratio is 10kV/0.22kV, and a 220V power supply is provided for microcomputer protection, a lighting lamp and an electric mechanism of an on-column circuit breaker. The voltage transformer 17 and A are connected in series with two high-voltage fuses 18 between the high-voltage incoming copper bar 221 and the voltage transformer 17 and the high-voltage incoming copper bar 222, and if abnormal conditions such as short circuit exist in the load at the rear end of the voltage transformer, the fuses can be rapidly fused to protect the voltage transformer 17.

The current passes through a vacuum bulb inside the pole top breaker and then to the outlet terminal 26 of the pole top breaker 20. The pole-mounted circuit breaker outgoing line wiring terminal 26 is divided into an A-direction pole-mounted circuit breaker outgoing line wiring terminal 261, a B-direction pole-mounted circuit breaker outgoing line wiring terminal 262 and a C-direction pole-mounted circuit breaker outgoing line wiring terminal 263 which respectively correspond to the A direction, the B direction and the C direction of three-phase power.

A protective current transformer 23 is connected in series at the outlet end of the pole-mounted breaker 20, if the rear-end load outlet is short-circuited, the current is suddenly increased, the current transformer induces secondary current, and the protective device is matched with a microcomputer protective device to control the breaker to be opened, so that three-stage protection of quick break, time limit quick break and overcurrent can be realized, the primary component is prevented from being burnt when the rear-end load is short-circuited, and the safe use of the primary component is protected. And an outlet copper bar is connected to the outlet wiring terminal. Between the inlet chamber and the outlet chamber, there is a metering box intermediate partition 28, which separates the inlet chamber from the outlet chamber, and the inlet chamber and the outlet chamber form chambers separately. On the intermediate bottom of the metering box, a hole is formed at the position corresponding to the copper bar, and a wall bushing 27 is installed to ensure insulation and prevent breakdown discharge.

Arranging components inside the wire outlet chamber: because the three phases of a 10kV power supply system are balanced, a neutral point does not run in the ground, all high-voltage measurement is usually carried out in a three-phase three-wire measurement mode, namely 2 measurement current transformers in an A-phase and C-phase, 2 measurement voltage transformers in the A-phase and C-phase, and a phase voltage B and a phase current B are synthesized through the A-phase and C-phase.

An outlet wiring terminal 26 of the pole-mounted circuit breaker 20 penetrates through a middle partition plate 28 of the metering box and then is connected with a current transformer inlet row at an outlet end, wherein an outlet wiring terminal 261 of the pole-mounted circuit breaker A is connected with an A-phase current transformer inlet row 34, the A-phase current transformer inlet row 34 is connected with an A-phase metering current transformer 35, the A-phase metering current transformer 35 is fixedly installed at one side of the middle partition plate 28 of the metering box, which faces an outlet chamber, an A-phase outlet row 36 is fixed at the lower end of the A-phase metering current transformer 35, a slotted hole is formed in the end portion of the A-phase outlet row 36, and a cable fixed on the slotted hole is led out of the metering box from an outlet hole formed in the lower portion of the outlet chamber.

The A-phase current transformer incoming line bar 34 is connected with an A-phase high-voltage fuse 31 towards the upper part, the other end of the A-phase high-voltage fuse 31 is connected with an A-phase metering voltage transformer 29, and if abnormal conditions such as short circuit and the like occur in the load at the rear end of the A-phase voltage transformer, the high-voltage fuse can be rapidly fused to protect the voltage transformer. The A-phase metering voltage transformer 29 is fixed at the upper position of one side of the middle partition 28 of the metering box facing the outlet chamber.

In the same installation mode, an outlet wiring terminal 263 of the C-direction pole upper breaker is connected with a C-phase current transformer inlet row 41, the C-phase current transformer inlet row 41 is connected with a C-phase metering current transformer 40, the C-phase metering current transformer 40 is fixedly installed at one side of the middle partition plate 28 of the metering box, which faces the outlet chamber, a C-phase outlet row 39 is fixed at the lower end of the C-phase metering current transformer 40, an oblong hole is formed in the end part of the C-phase outlet row 39, and a cable fixed on the oblong hole is led out of the metering box from an outlet hole formed in the lower part of the outlet chamber. The C-phase current transformer inlet line row 41 is connected with a C-phase high-voltage fuse 33 at the upper part, the other end of the C-phase high-voltage fuse 33 is connected with a C-phase metering voltage transformer 30, and the C-phase metering voltage transformer 30 is fixed at the upper part of one side of the middle partition plate 28 of the metering box, which faces the outlet chamber.

The B-direction pole upper breaker outlet wiring terminal 262 is connected with the B-phase outlet row 38, the end part of the B-phase outlet row 38 is provided with a long circular hole, and a cable fixed on the long circular hole is led out of the metering box from an outlet hole arranged at the lower part of the outlet chamber. The B-phase outlet line 38 is connected with a B-phase high-voltage fuse 32 upwards, and the other end of the C-phase high-voltage fuse 33 protects the B-phase voltage synthesized by the A-phase and C-phase metering voltage transformers 30 through a line bank A-phase metering voltage transformer 29 and the C-phase metering voltage transformer 30. The phase B outlet line row 38 is fixed on the intermediate partition 28 of the metering box through a phase B insulator.

Be provided with control chamber 3 in batch meter left side lower part, control chamber 42 becomes the room alone, uses the energy storage room bottom plate with the inlet wire room to separate, has guaranteed that operating personnel keeps away from once high-voltage electrification part at the control chamber, has guaranteed operating personnel's safety. The operating door left side of control chamber 3 articulates on the stand, and the right side is provided with the handle, can conveniently open, installs divide-shut brake operating axis 50 and energy storage operating axis 45 on the post circuit breaker 20, divide-shut brake operating axis 50 and energy storage operating axis 45 install inside control chamber 3, divide-shut brake operating axis 50 tip is provided with divide-shut brake operating handle 48, rivets separating brake respectively in the left and right sides of divide-shut brake operating handle and marks tablet 49 and closing brake and mark tablet 51, instructs the direction of carrying out the separating and closing operation. An energy storage handle 44 is arranged at the end part of the energy storage operating shaft 45, and an energy storage signboard 43 is riveted on the energy storage handle to guide an operator to perform energy storage operation. The bottom plate of the energy storage chamber is also provided with an opening and closing observation window 47 and an energy storage observation window 46, and the opening and closing state and the energy storage state of the circuit breaker arranged in the wire inlet chamber can be seen from the observation windows. The on-off operation and the energy storage operation of circuit breaker can be accomplished to operating personnel on ground to the on-off state and the energy storage state of circuit breaker can be seen, make operation and state observation more convenient, operating personnel's safety has also been guaranteed.

And the box body is designed with a heat dissipation and ventilation structure. Inside high voltage components and parts, normal during operation can be through very big operating current, and the electric current can produce through the conductor and generate heat, in order to guarantee the heat dissipation and the ventilation of box, on top cap fixed plate, increases bar hole 531. When the internal hot air flow rises, the hot air flow can be radiated outwards through the strip-shaped radiating holes. The temperature in the box body is reduced, the service life of components and parts can be prolonged, and the working reliability can be improved.

The pole-mounted circuit breaker protects the CT transformation ratio adjustable structure. In the actual use of the batch tank, the back-end load may vary widely or the implementation may not know the magnitude of the back-end load. When the metering box leaves the factory, the CT transformation ratio of the internal pole-mounted breaker is adjustable in three stages of 200/5, 400/5 and 600/5. In order to facilitate the adjustment of the CT transformation ratio in the field and the actual use process, a structure which is convenient for the adjustment of the CT transformation ratio is designed in a control chamber of the metering box. If need adjust the CT transformation ratio, only need open control room door, then pull down CT transformation ratio regulation apron, just can remove the lid that the box was adjusted to the CT transformation ratio, carry out the adjustment of circuit wiring, adjust the CT transformation ratio, and need not open the inlet wire room, need not contact electrified high-voltage components and parts.

The high-voltage side is electrified and then the safety structure design of the wire inlet chamber and the wire outlet chamber door cannot be opened. After the incoming line side is electrified, because the voltage of the primary electrification component is up to 10kV, in order to prevent the door of the incoming line room and the outgoing line room from being opened, the structural design for preventing the door of the incoming line room and the outgoing line room from being opened after the high-voltage side is electrified is designed. The specific scheme is that a door plate lock tongue 62 is installed on the inner side of a door plate of the incoming line room, a lock hole is formed in the door plate lock tongue 62, an electromagnetic lock support 63 is fixedly arranged on the corresponding position of a metering box body corresponding to the door plate lock tongue 62, an electromagnetic lock is installed on the electromagnetic lock support 63, the electromagnetic lock is electrically connected with a forced type electrified display, the lock hole is formed in the door plate lock tongue 62 after the electromagnetic lock rod 61 of the electromagnetic lock extends out, and the incoming line door can be locked. After the inlet wire door was closed, if the high-pressure side power transmission, then high pressure sensor response voltage, give the forced electrified display with voltage signal feedback, the pilot lamp of forced electrified display lights to can give blocking signal to the electromagnetic lock, electromagnetic lock receives blocking signal after, electromagnetic lock locking lever 61 stretches out, insert the waist shape of door plant spring bolt downthehole, at this moment, the batch meter inlet wire door can't be opened, prevent operating personnel's maloperation, get into the electrified compartment of high pressure and cause the electric shock accident.

The back door can open the structural design when no electricity is supplied. In order to facilitate installation and maintenance, a mechanism which can be opened when the rear door is free of electricity is designed. A latch mounting plate 66 is mounted on the inner side of the rear door, and a latch mounting base 65 is fixed to the latch mounting plate 66. Install bolt round pin axle 67 on bolt installation base 65, bolt mounting panel 66 install and be close to section bar marginal position on metering box back door upper portion, bolt round pin axle 67 stretches out the back, bolt round pin axle 67 extends upper portion section bar position, can lock metering box back door 64 and die, make it unable from the outside open, when the assembly, perhaps the high pressure side is electroless, can open under the condition of inlet wire room door, down pull bolt round pin axle, relieve the locking to the back door, and is same, also set up same structure in lower part position equally, it is more firm when making its lock die. The lower latch also operates to open the back door.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, however, as long as there is no contradiction between the combinations of the technical features, the combinations of the technical features should be considered as being within the scope described in the present specification, and when the combinations of the technical features are contradictory or cannot be realized, the combinations of the technical features should be considered as not being present, and the combinations of the technical features are not within the scope of the claims. Also, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the spirit of the principles of the invention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides an intelligent high-pressure console mode batch meter, includes the batch meter body, its characterized in that: the inside of the metering box body is divided into an independent wire inlet chamber, a wire outlet chamber, a control chamber, a metering chamber and an operating chamber through metal partition plates, the wire inlet chamber, the wire outlet chamber, the control chamber, the metering chamber and the operating chamber are respectively provided with a switch door, the switch doors of the control chamber and the metering chamber are double-layer doors, and a microcomputer protection device, a forced electrified display, a separating brake button 8, a closing button and an energy storage knob are arranged on a door plate of the control chamber; the incoming line room install the circuit breaker on the post, the circuit breaker on the post passes through the post upper bracket and installs in the incoming line room bottom, the three inlet wire end of circuit breaker on the post connects A looks high-pressure inlet wire copper bar, B looks high-pressure inlet wire copper bar and C looks high-pressure inlet wire copper bar respectively, three protection current transformer is connected respectively to the three leading-out terminal of circuit breaker on the post, three protection current transformer connects A looks current transformer inlet wire row, B looks high-pressure outlet wire copper bar and C looks current transformer inlet wire row respectively.

2. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: and the A-phase high-voltage incoming line copper bar, the B-phase high-voltage incoming line copper bar and the C-phase high-voltage incoming line copper bar are respectively connected with a lightning arrester in parallel.

3. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: and the A-phase high-voltage incoming line copper bar and the B-phase high-voltage incoming line copper bar are connected in parallel with a power supply voltage transformer, and the transformation ratio of the power supply voltage transformer is 10kV/0.22kV.

4. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: the phase A high-voltage outlet copper bar is connected with the phase A metering voltage transformer and the phase C metering voltage transformer.

5. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: the pole on breaker install divide-shut brake operating axis (50) and energy storage operating axis (45), divide-shut brake operating axis (50) and energy storage operating axis (45) extend to the control chamber.

6. The intelligent high-voltage floor type metering box according to claim 5, wherein: the operating room is provided with a switching-on and switching-off observation window (47) and an energy storage observation window (46).

7. The intelligent high-voltage floor type metering box according to claim 1, wherein: the metering chamber be provided with the observation window, the observation window adopt transparent organic glass preparation.

8. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: the protection CT transformation ratio of the pole-mounted circuit breaker is adjustable, and the CT transformation ratio of the pole-mounted circuit breaker is adjustable in three steps of 200/5, 400/5 and 600/5.

9. The intelligent high-pressure floor type metering box according to claim 1, characterized in that: the electromagnetic lock is characterized in that a first electromagnetic lock is installed on the inner side of the wire inlet chamber switch door, a second electromagnetic lock is installed on the inner side of the wire outlet chamber switch door, and the first electromagnetic lock and the second electromagnetic lock are electrically connected with a forced type electrified display.

10. The intelligent high-voltage floor-type metering box according to claim 9, wherein: the inner edge of the back door is provided with a bolt mounting plate.

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