CN210427688U - Portable platform district decreases and decreases investigation device - Google Patents
Portable platform district decreases and decreases investigation device Download PDFInfo
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- CN210427688U CN210427688U CN201920961556.5U CN201920961556U CN210427688U CN 210427688 U CN210427688 U CN 210427688U CN 201920961556 U CN201920961556 U CN 201920961556U CN 210427688 U CN210427688 U CN 210427688U
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Abstract
The utility model provides a portable platform district reduces and decreases investigation device, set up to portable equipment through setting up three-phase four-wire special change acquisition terminal and open type current transformer, the collection of transmission line optional position's power consumption and current curve change has been realized, and set up intelligent ammeter and establish being connected as with current power consumption information acquisition system, need not change current acquisition system, can be directly with data acquisition to in the power consumption information acquisition system, make this device have the universality, be applicable to the anti-electricity-theft monitoring of platform district distribution lines. Adopt this device to investigate and solve high means, the electric leakage position can be stolen in accurate locking to the electric action of stealing that the disguise is strong, and the investigation is efficient, is convenient for develop the line loss investigation work, improves the economic benefits of power supply enterprise.
Description
Technical Field
The utility model relates to a relevant technical field of electric power monitoring, specific saying so relates to a portable platform district reduces and decreases investigation device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the development and progress of society, electric power becomes an indispensable part in our lives, and at present, in the process of providing electric power service, a problem that the power consumption is inconsistent with the actual consumption often occurs, which is defined as line loss. In an electrical power system, a transformer area refers to the supply range or area of a (single) transformer. Because the low-voltage distribution transformer area has the characteristics of large quantity, wide distribution area and complex power supply network, certain difficulty is brought to daily power utilization supervision, illegal electricity stealing by lawless persons is often suffered, the line loss of the transformer area is high, the economic benefit of a power supply enterprise is directly influenced, and huge loss is brought to the power supply enterprise.
In order to improve the pass rate of the line loss of the transformer area, at present, two methods of manual inspection or electronic technology detection and alarm are commonly adopted in the domestic power industry, and the manual inspection mode is such as that an inspector generally inspects the transformer area one by one, so that the labor intensity is high, the effect is not obvious, the loss reduction work is time-consuming, labor-consuming and not obvious, the reasons of some transformer areas are unclear, and the situation that the loss reduction work cannot be continuously carried out appears; the electronic technology detection method aims at the electricity larceny prevention monitoring of metering devices such as an electric energy meter, a metering mutual inductor and a metering box, and no electricity larceny prevention monitoring device suitable for distribution lines of a transformer area exists at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem, a portable platform district reduces and decreases investigation device is proposed, set up to portable device through setting up three-phase four-wire special change acquisition terminal and open type current transformer, the collection of transmission line optional position's power consumption and current curve change has been realized, and set up intelligent ammeter and establish being connected as with current power consumption information acquisition system, need not change current acquisition system, can be directly with data acquisition to in the power consumption information acquisition system, make this device have the universality, be applicable to the anti-electricity-theft monitoring of platform district distribution lines. Adopt this device to investigate and solve high means, the electric leakage position can be stolen in accurate locking to the electric action of stealing that the disguise is strong, and the investigation is efficient, is convenient for develop the line loss investigation work, improves the economic benefits of power supply enterprise.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
the utility model provides a portable platform district reduces and decreases investigation device, includes box and the special collection terminal that becomes of three-phase four-wire, intelligent ammeter and the wireless transmission module of setting in the box, still includes open type current transformer, the special collection terminal that becomes of three-phase four-wire is connected respectively with intelligent ammeter and open type current transformer, wireless transmission module is connected with the special collection terminal that becomes of communication line and three-phase four-wire of intelligent ammeter respectively.
Furthermore, the open type current transformer comprises two detachable semicircular parts, semicircular magnetic rings are arranged on the two semicircular parts respectively, the end faces of the magnetic rings are exposed, the two semicircular parts are connected with the end faces of the semicircular magnetic rings to be spliced to form a complete magnetic ring, a coil is wound on the magnetic ring, and an outgoing line of the coil is connected with a three-phase four-wire special transformer acquisition terminal.
And the three-phase four-wire special transformer acquisition terminal is respectively connected with the intelligent electric energy meter and the open type current transformer through the joint junction box.
Further, the intelligent electric energy meter further comprises a single-phase leakage protector, the load side of the single-phase leakage protector is connected to the intelligent electric energy meter and the three-phase four-wire special transformer acquisition terminal through a joint junction box, and the power side of the single-phase leakage protector is connected with a power supply.
Furthermore, the power supply side of the single-phase leakage protector is connected with alternating current commercial power.
Further, the box body comprises a box body, a box cover and a box door, the box cover is arranged on the box body, the box door is arranged on the side face of the box body, the box body and the box cover form a box body space, and the box cover covers the box body and the box door.
Furthermore, a wire passing groove is formed in the bottom surface of the box body, and the width of the wire passing groove is larger than the outer diameter of a leading-out wire of the open type current transformer.
Furthermore, a plurality of wire passing holes and wire passing hole sealing plugs can be arranged on the bottom surface of the box body.
Furthermore, the wire passing hole sealing plug comprises a blocking part and a traction part which are connected with each other, the blocking part is in a cap shape, and the traction part is a protrusion arranged on the blocking part.
Furthermore, the sealing plug of the wire passing hole is made of butadiene-acrylonitrile rubber.
Compared with the prior art, the beneficial effect of this disclosure is:
(1) this is disclosed sets up to portable equipment through setting up three-phase four-wire special change acquisition terminal and open type current transformer, has realized the collection of transmission line optional position's power consumption and current curve change to set up intelligent ammeter and establish being connected as with current power consumption information acquisition system, need not change current acquisition system, can be directly with data acquisition to in the power consumption information acquisition system, make this device have the universality, be applicable to the anti-electricity-theft monitoring of platform district distribution lines. Adopt this device to investigate and solve high means, the electric leakage position can be stolen in accurate locking to the electric action of stealing that the disguise is strong, and the investigation is efficient, is convenient for develop the line loss investigation work, improves the economic benefits of power supply enterprise.
(2) This disclosed box structure has set up rain-proof waterproof construction, the electrical part in the protection box, and work does not receive the influence of weather conditions, can carry out long-time real time monitoring. The wire passing groove used for placing the open type current transformer in the box body is formed in the box body, and the open type current transformer can be placed in the box body when not being measured, so that the box body is convenient to carry.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure.
FIG. 1 is a schematic diagram of a structure of an apparatus according to one or more embodiments;
FIG. 2 is a connection circuit diagram of an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a wire hole sealing plug according to an embodiment of the disclosure;
FIG. 4 is a schematic diagram of a configuration for checking line loss by using the apparatus according to the embodiment of the present disclosure;
FIG. 5 is a diagram showing the result of the device in the embodiment of the formula;
wherein: 1. the intelligent electric energy meter comprises a box body, 2 three-phase four-wire special transformer acquisition terminals, 3 an intelligent electric energy meter, 4 a combined junction box, 5 a single-phase leakage protector, 6 a wireless transmission module, 7 an open type current transformer, 8, a wire passing hole sealing plug, 9, a wire passing hole, 10, a lead-out wire, 11 and a wire passing groove;
1-1 part of box cover, 1-2 parts of box door, 1-3 parts of box body, 8-1 part of traction part, 8-2 parts of blocking part.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the technical scheme disclosed in one or more embodiments, as shown in fig. 1 and 2, a portable transformer area loss reduction investigation device comprises a box body 1, a three-phase four-wire special transformer acquisition terminal 2, an intelligent electric energy meter 3 and a wireless transmission module 6 which are arranged in the box body 1, and further comprises an open type current transformer 7, the three-phase four-wire special transformer acquisition terminal 2 is respectively connected with the intelligent electric energy meter 3 and the open type current transformer 7, and the wireless transmission module 6 is respectively connected with a communication wire of the intelligent electric energy meter 6 and the three-phase four-wire special transformer acquisition terminal 2.
The marketing system of the existing power supply enterprise establishes connection with the electric energy meter equipment of the platform area and collects corresponding electricity consumption data. The connection with the existing power utilization information acquisition system is established by setting the electric energy meter, the existing acquisition system is not required to be changed, and data can be directly acquired into the power utilization information acquisition system.
The three-phase four-wire special transformer acquisition terminal 2 acquires the power consumption and the current curve change on the power transmission line by acquiring the current signals of the coils in the open type current transformer 7. And the collected power consumption information and the collected current change are transmitted to a power consumption information collection system through a wireless transmission module 6. The three-phase four-wire special transformer acquisition terminal 2 of the embodiment can adopt the following models: the Hangzhou Huali HLM8204 type three-phase four-wire system special transformer acquisition terminal is 3X 220/380V. The wireless transmission module 6 may be a GPRS module, and the model of the intelligent ammeter 3 in this embodiment may be a DDZY135-2 single-phase intelligent ammeter.
As a further improvement, the open type current transformer 7 is divided into two parts, specifically two detachable semicircular parts, the two semicircular parts are respectively provided with a semicircular magnetic ring, the two semicircular parts are connected with the end faces of the magnetic rings of the latter semicircular parts to form a complete magnetic ring in a splicing manner, the two parts can be fixed by 2 threads, the coil is wound on the magnetic ring, and the outgoing line of the coil is connected to the three-phase four-wire special transformer acquisition terminal 2 in the box body. The mutual inductor is of an open-close type structure and can be installed without cutting off a cable. The device can be operated in a live mode, does not affect the normal electricity consumption of customers, and is small in size, light in weight, high in accuracy and large in capacity.
The device of this embodiment still includes joint terminal box 4, sets up in box 1, three-phase four-wire special transformer acquisition terminal 4 is connected with intelligent ammeter 3 and open type current transformer 7 respectively electricity through joint terminal box. The connection of the internal devices of the box body is realized through the combined junction box 4, the disordered connection is avoided, the line connection is orderly, the connection error is convenient to search, the probability of the connection of the internal wires is reduced, and the working stability of the device is improved.
Still include single-phase earth-leakage protector 5, single-phase earth-leakage protector 5's load side is connected to intelligent ammeter 3 and three-phase four-wire special transformer collection terminal 5 through joint terminal box 4, and for intelligent ammeter 3 and three-phase four-wire special transformer collection terminal 5's work provides the electric energy, and single-phase earth-leakage protector 5's power side connects the power, specifically can connect 220V AC commercial power.
As a further improvement, the box body 1 comprises a box body 1-3, a box cover 1-1 and a box door 1-2, the box cover 1-1 is arranged on the box body 1-3, the box door 1-2 is arranged on the side surface of the box body 1-3 to form a closed space with the box body 1-3 and the box cover 1-1, and the edge of the box cover 1-1 exceeds the edge of the box body 1-3 behind the box door, so that the box cover 1-1 can completely cover the box body 1-3 and the box door, and the rain is effectively prevented. Optionally, a rubber leather strip can be arranged at the joint of the box door 1-2 and the box body 1-3, so that the waterproof function is further improved.
Optionally, a plurality of wire through holes 9 and wire through hole sealing plugs 8 may be disposed on the bottom surface of the box body 1-3. The wire through hole is used for leading out a power wire and an outgoing wire 10 of the open type current transformer 7 from the box body 1. Optionally, the wire passing hole sealing plug 8 comprises a blocking part 8-2 and a traction part 8-1 which are connected with each other, and the sealing plug 8 may be made of a butadiene acrylonitrile rubber material. The sealing plug 8 can adopt a structure as shown in fig. 3, the blocking part 8-2 is in a cap shape, and the outer diameter of the cap-shaped blocking part 8-2 is matched with the inner diameter of the wire passing hole. The traction part 8-1 is convenient for a user to directly grab, the blockage part 8-2 is driven to be opened through the traction part 8-1, and the traction part 8-1 is a bulge arranged on the blockage part 8-2 and can be in any shape. As shown, it is spherical.
Optionally, a wire passing groove 11 may be further disposed on the bottom surface of the box body 1-3, and the width of the wire passing groove 11 is greater than the outer diameter of the outgoing wire 10 of the open type current transformer 7. The wire passing groove 11 is used for placing the open type current transformer 7 and the outgoing line 10 thereof in the box body 1 under the non-measuring state of the device.
The use method of the device is as follows: the device of this embodiment is a portable device, when the line loss of a certain platform area is higher, for example, it may reach more than 10%, the device may be arranged on the power transmission line of the platform area step by step from the main line to the branch line, the arrangement structure shown in fig. 4 may be used for illustration, the positions B1-B6 in the figure are positions where the metering devices of the consumers are arranged, the device is arranged at the positions a1-A3 of the power transmission line, if the position a1 is the main line, the power consumption collected at the position a1 is the sum of the power consumptions of the metering devices at the positions B1-B6, if the difference of the comparison power consumption values is larger, the possibility of electric leakage or electricity stealing on the line after the position a1 is illustrated; the electricity consumption collected at the position A2 is the sum of the electricity consumptions of the metering devices at the positions B3-B4, and the electricity consumption collected at the position A3 is the sum of the electricity consumptions of the metering devices at the positions B5-B6; the specific range of electric leakage or electric larceny can be determined through data comparison at each stage. For convenience of explanation, a few electricity consumption metering devices are listed, and the actual number of the electricity consumption devices is determined according to actual conditions. The device of the embodiment can also be arranged, and the mobile device can be used for checking.
The device of the embodiment is applied to check the existing line of a certain area, and the effect is obvious. Fig. 5 shows the investigation result of a certain district, and after the district is locked by the investigation equipment in 12/18/2018, the phenomenon that the electricity stealing occurs when the line is hung on the insulated line at night is detected, and the line loss rate is reduced to below 4% from 24%. After the loss of a certain power supply station is reduced by using a loss reduction checking device, 183 station areas are supplied, the number of the station areas with the line loss exceeding 9% is reduced to 2 from the original 15, 1 station area is provided with the line loss of 7% -9% after checking, and the line loss rate of the rest station areas is reduced to below 7%.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. The utility model provides a portable platform district decreases and decreases investigation device, characterized by: the intelligent electric energy meter comprises a box body, a three-phase four-wire special transformer acquisition terminal, an intelligent electric energy meter and a wireless transmission module, wherein the three-phase four-wire special transformer acquisition terminal, the intelligent electric energy meter and the wireless transmission module are arranged in the box body, the three-phase four-wire special transformer acquisition terminal is respectively connected with the intelligent electric energy meter and the open type current transformer, and the wireless transmission module is respectively connected with a communication wire of the intelligent electric energy meter and the three-phase four-wire special transformer acquisition.
2. The portable platform area loss reduction inspection device as claimed in claim 1, wherein: the open type current transformer comprises two detachable semicircular parts, wherein semicircular magnetic rings are arranged on the two semicircular parts respectively, the end faces of the magnetic rings are exposed, the two semicircular parts are connected with the end faces of the semicircular magnetic rings to be spliced to form a complete magnetic ring, a coil is wound on the magnetic ring, and the outgoing line of the coil is connected with a three-phase four-wire special transformer acquisition terminal.
3. The portable platform area loss reduction inspection device as claimed in claim 1, wherein: the three-phase four-wire special transformer acquisition terminal is respectively connected with the intelligent electric energy meter and the open type current transformer through the joint junction box.
4. The portable platform area loss reduction inspection device according to claim 3, wherein: the intelligent electric energy meter is characterized by further comprising a single-phase leakage protector, wherein the load side of the single-phase leakage protector is connected to the intelligent electric energy meter and the three-phase four-wire special transformer acquisition terminal through a joint junction box, and the power side of the single-phase leakage protector is connected with a power supply.
5. The portable platform area loss reduction inspection device according to claim 4, wherein: the power supply side of the single-phase leakage protector is connected with alternating current commercial power.
6. The portable platform area loss reduction inspection device as claimed in claim 1, wherein: the box body comprises a box body, a box cover and a box door, wherein the box cover is arranged on the box body, the box door is arranged on the side surface of the box body and forms a box space with the box body and the box cover, and the box cover covers the box body and the box door.
7. The portable platform area loss reduction inspection device of claim 6, wherein: the bottom surface of the box body is provided with a wire passing groove, and the width of the wire passing groove is larger than the outer diameter of a leading-out wire of the open type current transformer.
8. The portable platform area loss reduction inspection device of claim 6, wherein: the bottom surface of the box body can be provided with a plurality of wire passing holes and wire passing hole sealing plugs.
9. The portable platform area loss reduction inspection device according to claim 8, wherein: the wire passing hole sealing plug comprises a blocking part and a traction part which are connected with each other, the blocking part is in a cap shape, and the traction part is a bulge arranged on the blocking part.
10. The portable platform area loss reduction inspection device according to claim 8, wherein: the sealing plug of the wire passing hole is made of butadiene acrylonitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961556.5U CN210427688U (en) | 2019-06-24 | 2019-06-24 | Portable platform district decreases and decreases investigation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920961556.5U CN210427688U (en) | 2019-06-24 | 2019-06-24 | Portable platform district decreases and decreases investigation device |
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| CN210427688U true CN210427688U (en) | 2020-04-28 |
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| CN201920961556.5U Expired - Fee Related CN210427688U (en) | 2019-06-24 | 2019-06-24 | Portable platform district decreases and decreases investigation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117031356A (en) * | 2023-08-21 | 2023-11-10 | 国网安徽省电力有限公司霍邱县供电公司 | TT system distribution area electric leakage detection method and device |
-
2019
- 2019-06-24 CN CN201920961556.5U patent/CN210427688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117031356A (en) * | 2023-08-21 | 2023-11-10 | 国网安徽省电力有限公司霍邱县供电公司 | TT system distribution area electric leakage detection method and device |
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Granted publication date: 20200428 Termination date: 20210624 |