CN204167073U - The anticreep distribution transformer of a kind of low-loss - Google Patents
The anticreep distribution transformer of a kind of low-loss Download PDFInfo
- Publication number
- CN204167073U CN204167073U CN201420523234.XU CN201420523234U CN204167073U CN 204167073 U CN204167073 U CN 204167073U CN 201420523234 U CN201420523234 U CN 201420523234U CN 204167073 U CN204167073 U CN 204167073U
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- electric leakage
- casing
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- cover plate
- sensor circuit
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Abstract
The utility model discloses the anticreep distribution transformer of a kind of low-loss, comprise casing, oil conservator, iron core, coil, electric leakage sensor circuit and alarm assemblies, described casing top is provided with cover plate, bottom half is provided with feet, and casing front is provided with display screen, alarm assemblies and mains switch; Described casing both sides are provided with oil conservator, and oil conservator is provided with thermometer, and oil conservator top is provided with oil level indicator; Described box house is provided with iron core, and iron core is provided with coil; The both sides, middle part of described cover plate are downward-sloping, and the side of cover plate surrounding is along being provided with downward step, and form case edge, cover plate is provided with bushing hole, low-tension bushing hole and zero phase collar aperture; Described alarm assemblies is connected with electric leakage sensor circuit, electric leakage sensor circuit comprises electric leakage inductive needle, current amplifier, divider resistance, energising magnet and induced magnet, described electric leakage sensor circuit is close to cabinet wall and is arranged, the utility model energy Loss reducing, energy savings, anticreep, long service life.
Description
Technical field
The utility model relates to a kind of power equipment, specifically the anticreep distribution transformer of a kind of low-loss.
Background technology
Distribution transformer is a kind of static electrical equipment for transmitting AC energy in distribution system according to law of electromagnetic induction conversion alternating voltage and electric current, distribution transformer is once leak electricity, change can cause the personal injurys such as electric shock, if find not in time, can lead to not predictable consequence; In electric equipment and radio-circuit, transformer is commonly used for buck/boost, matched impedance, Secure isolation etc., and transformer is in the market of a great variety, usually has no-load loss in transformer work, operating temperature rise is large, and inner oil mass cannot accomplish real-time monitoring; At present, power transformer box cover generally adopts plate armature, is fastened on oil tank flange by case lid by bolt, and makes to seal between case lid and fuel tank.The case lid of this structure is often due to the impact of the factor such as intensity and unbalance stress, easy generation local deformation, case lid periphery is made to produce wavy distortion, and the overall slab construction that adopts easily produces ponding on case lid, after the case cover hole sealing gasket be communicated with in fuel tank is aging, water just easily infiltrates inside transformer, affects the normal operation of transformer.Therefore, need to design a kind of distribution transformer to solve the problem.
Utility model content
The purpose of this utility model is to provide a kind of anticreep distribution transformer of low-loss that can prevent and warn electric leakage, low-loss, low-temperature-rise, the durable not easily corrosion of case lid, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
The anticreep distribution transformer of a kind of low-loss, comprise casing, oil conservator, iron core, coil, electric leakage sensor circuit and alarm assemblies, described casing top is provided with cover plate, and bottom half is provided with feet, and casing front is provided with display screen, alarm assemblies and mains switch; Described casing both sides are provided with oil conservator, and oil conservator is provided with thermometer, and oil conservator top is provided with oil level indicator, is provided with fuel outlet valve bottom oil conservator; Described box house is provided with iron core, and described iron core is cold rolled silicon steel material, and iron core is provided with coil, and described coil is the flat type copper wire coil that oxygen-free copper bar draws; The both sides, middle part of described cover plate are downward-sloping, and the side of cover plate surrounding is along being provided with downward step, and form case edge, cover plate is provided with bushing hole, low-tension bushing hole and zero phase collar aperture; Described alarm assemblies is connected with electric leakage sensor circuit, electric leakage sensor circuit comprises electric leakage inductive needle, current amplifier, divider resistance, energising magnet and induced magnet, described electric leakage sensor circuit is close to cabinet wall and is arranged, described mains switch is connected with induced magnet, and induced magnet is arranged on the side of energising magnet; Described electric leakage inductive needle connects the input of current amplifier respectively, and the output of current amplifier is connected with alarm assemblies, and alarm assemblies is connected with one end of divider resistance, and the other end of divider resistance is walked around energising magnet by electric wire and is connected with electric leakage inductive needle.
As further program of the utility model: described cabinet shell is provided with insulating barrier, casing arranged outside has radiating tube.
As the utility model further scheme: described alarm assemblies comprises buzzer, warning lamp and wireless communication apparatus.
As the utility model further scheme: the case of described cover plate is along the upper case that is evenly provided with along hole, and the bushing hole on cover plate is connected with bushing, and low-tension bushing hole is connected with low-tension bushing, and zero phase collar aperture is connected with zero phase sleeve pipe.
As the utility model further scheme: the sidewall bottom of described casing is provided with drainage needle, drainage needle ground connection.
As the utility model further scheme: described electric leakage inductive needle is set to 6, is evenly distributed on cabinet shell.
Compared with prior art, the beneficial effects of the utility model are: the utility model by leakage protection circuit and alarm assemblies with the use of, can fast detecting whether leak electricity to distribution transformer, testing result is accurate, be quick on the draw, and externally point out by caution sound, warning lamp and wireless communication apparatus, prevent personnel from getting an electric shock, simultaneously due to the effect of the drainage needle of ground connection, distribution transformer itself can also be prevented charged; Radiating tube outside the thermometer that oil conservator is arranged and casing, transformer working temperature can be monitored in real time, and reduce the operating temperature rise of transformer, good heat dissipation effect, oil conservator top is provided with oil level indicator, can the inner oil mass of measuring transformer, easy access personnel increase with oil for transformer, the flat type copper wire coil of the iron core of cold rolled silicon steel material and oxygen-free copper bar drawing, resistance is little, can transformer noload losses be reduced, energy savings, corrosion-resistant; Cover plate main body of the present utility model is boss-shaped, substantially increase the intensity of cover plate, improve its non-deformability, good sealing effect, effectively can reduce the seal leak phenomenon of transformer oil, it is low that cover plate is set to middle high surrounding, ensure that on cover plate without hydropexis, can effectively prevent cover plate corrosion, long service life.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Fig. 3 is the vertical view of the utility model cover plate.
Fig. 4 is the end view of the utility model cover plate.
Fig. 5 is the connection diagram of sensor circuit of leaking electricity in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 5, in the utility model embodiment, the anticreep distribution transformer of a kind of low-loss, comprise casing 1, oil conservator 2, iron core 3, coil 4, electric leakage sensor circuit 5 and alarm assemblies 6, described casing 1 top is provided with cover plate 7, feet 8 is provided with bottom casing 1, casing 1 front is provided with display screen 9, alarm assemblies 6 and mains switch 10, described casing 1 shell is provided with insulating barrier 23, casing 1 arranged outside has radiating tube, the sidewall bottom of casing 1 is provided with drainage needle 28, drainage needle 28 ground connection; Described casing 1 both sides are provided with oil conservator 2, and oil conservator 2 is provided with thermometer 11, and oil conservator 2 top is provided with oil level indicator 12, is provided with fuel outlet valve 32 bottom oil conservator 2; Described casing 1 inside is provided with iron core 3, and described iron core 3 is cold rolled silicon steel material, and iron core 3 is provided with coil 4, the flat type copper wire coil that described coil 4 draws for oxygen-free copper bar; The both sides, middle part of described cover plate 7 are downward-sloping, the side of cover plate 7 surrounding is along being provided with downward step 13, form case along 14, case is along being evenly provided with case on 14 along hole 27, described cover plate 7 is provided with bushing hole 15, low-tension bushing hole 16 and zero phase collar aperture 17, bushing hole 15 on cover plate 7 is connected with bushing 29, and low-tension bushing hole 16 is connected with low-tension bushing 30, and zero phase collar aperture 17 is connected with zero phase sleeve pipe 31; Described alarm assemblies 6 comprises buzzer 24, warning lamp 25 and wireless communication apparatus 26, described alarm assemblies 6 is connected with electric leakage sensor circuit 5, electric leakage sensor circuit 5 comprises electric leakage inductive needle 18, current amplifier 19, divider resistance 20, energising magnet 21 and induced magnet 22, described electric leakage sensor circuit 5 is close to casing 1 inwall and is arranged, described mains switch 10 is connected with induced magnet 22, and induced magnet 22 is arranged on the side of energising magnet 21; Described electric leakage inductive needle 18 is set to 6, be evenly distributed on casing 1 shell, 6 electric leakage inductive needles 18 connect the input of current amplifier 19 respectively, the output of current amplifier 19 is connected with alarm assemblies 6, alarm assemblies 6 is connected with one end of divider resistance 20, and the other end of divider resistance 20 is walked around energising magnet 21 by electric wire and is connected with electric leakage inductive needle 18.
Operation principle of the present utility model is: the operation principle of the utility model transformer is that prior art does not repeat in the text, refers to Fig. 5, and described display screen 9 is connected, for showing electric leakage information with electric leakage sensor circuit 5, described alarm assemblies 6 is connected with the output of the current amplifier 8 of electric leakage sensor circuit 5, and with extraneous communication contact when described wireless communication apparatus 26 is for reporting to the police, described buzzer 24 and warning lamp 25 are for sounding and light early warning signal, described current amplifier 8 generate heat input with electric leakage inductive needle 18 be connected, whether electric leakage inductive needle 18 leaks electricity for responding to distribution transformer, described alarm assemblies 6 is also connected with divider resistance 20, the other end of divider resistance 20 is walked around energising magnet 21 by electric wire and is connected with electric leakage inductive needle 18, the side of described energising magnet 21 is induced magnet 22, induced magnet 22 is connected with mains switch 10, when the inductive needle 18 that leaks electricity senses leakage current, amplified by current amplifier 19, alarm assemblies 6 starts reports to the police, buzzer 24 gives the alarm, warning lamp 25 sends light signal, wireless communication apparatus 26 contacts control desk, energising magnet 21 surrounding produces magnetic field, attraction is produced to induced magnet 22, itself and mains switch 10 are disconnected, reach power-off object, residual electricity in distribution transformer has drainage needle 28 to introduce underground.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (6)
1. the anticreep distribution transformer of low-loss, comprise casing (1), oil conservator (2), iron core (3), coil (4), electric leakage sensor circuit (5) and alarm assemblies (6), it is characterized in that: described casing (1) top is provided with cover plate (7), casing (1) bottom is provided with feet (8), and casing (1) front is provided with display screen (9), alarm assemblies (6) and mains switch (10); Described casing (1) both sides are provided with oil conservator (2), and oil conservator (2) is provided with thermometer (11), and oil conservator (2) top is provided with oil level indicator (12), and oil conservator (2) bottom is provided with fuel outlet valve (32); Described casing (1) inside is provided with iron core (3), and described iron core (3) is cold rolled silicon steel material, and iron core (3) is provided with coil (4), the flat type copper wire coil that described coil (4) draws for oxygen-free copper bar; The both sides, middle part of described cover plate (7) are downward-sloping, and the side of cover plate (7) surrounding is along being provided with downward step (13), and form case along (14), cover plate (7) is provided with bushing hole (15), low-tension bushing hole (16) and zero phase collar aperture (17); Described alarm assemblies (6) is connected with electric leakage sensor circuit (5), electric leakage sensor circuit (5) comprises electric leakage inductive needle (18), current amplifier (19), divider resistance (20), energising magnet (21) and induced magnet (22), described electric leakage sensor circuit (5) is close to casing (1) inwall and is arranged, described mains switch (10) is connected with induced magnet (22), and induced magnet (22) is arranged on the side of energising magnet (21); Described electric leakage inductive needle (18) connects the input of current amplifier (19) respectively, the output of current amplifier (19) is connected with alarm assemblies (6), alarm assemblies (6) is connected with one end of divider resistance (20), and the other end of divider resistance (20) is walked around energising magnet (21) by electric wire and is connected with electric leakage inductive needle (18).
2. the anticreep distribution transformer of low-loss according to claim 1, is characterized in that, described casing (1) shell is provided with insulating barrier (23), and casing (1) arranged outside has radiating tube.
3. the anticreep distribution transformer of low-loss according to claim 1, is characterized in that, described alarm assemblies (6) comprises buzzer (24), warning lamp (25) and wireless communication apparatus (26).
4. the anticreep distribution transformer of low-loss according to claim 1, it is characterized in that, the case of described cover plate (7) is evenly provided with case along hole (27) on (14), bushing hole (15) on cover plate (7) is connected with bushing (29), low-tension bushing hole (16) is connected with low-tension bushing (30), and zero phase collar aperture (17) is connected with zero phase sleeve pipe (31).
5. the anticreep distribution transformer of low-loss according to claim 1, is characterized in that, the sidewall bottom of described casing (1) is provided with drainage needle (28), drainage needle (28) ground connection.
6. the anticreep distribution transformer of low-loss according to claim 1, is characterized in that, described electric leakage inductive needle (18) is set to 6, is evenly distributed on casing (1) shell.
Priority Applications (1)
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CN201420523234.XU CN204167073U (en) | 2014-09-12 | 2014-09-12 | The anticreep distribution transformer of a kind of low-loss |
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CN201420523234.XU CN204167073U (en) | 2014-09-12 | 2014-09-12 | The anticreep distribution transformer of a kind of low-loss |
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CN204167073U true CN204167073U (en) | 2015-02-18 |
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CN201420523234.XU Expired - Fee Related CN204167073U (en) | 2014-09-12 | 2014-09-12 | The anticreep distribution transformer of a kind of low-loss |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105761916A (en) * | 2016-05-18 | 2016-07-13 | 李理 | Novel intelligent three-phase power transformer capable of being remotely controlled |
CN112599341A (en) * | 2020-11-30 | 2021-04-02 | 国网福建省电力有限公司电力科学研究院 | Power transformer with short circuit alarm function |
CN117038297A (en) * | 2023-07-05 | 2023-11-10 | 江苏亚威变压器有限公司 | Novel transformer |
-
2014
- 2014-09-12 CN CN201420523234.XU patent/CN204167073U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105761916A (en) * | 2016-05-18 | 2016-07-13 | 李理 | Novel intelligent three-phase power transformer capable of being remotely controlled |
CN112599341A (en) * | 2020-11-30 | 2021-04-02 | 国网福建省电力有限公司电力科学研究院 | Power transformer with short circuit alarm function |
CN117038297A (en) * | 2023-07-05 | 2023-11-10 | 江苏亚威变压器有限公司 | Novel transformer |
CN117038297B (en) * | 2023-07-05 | 2024-03-12 | 江苏亚威变压器有限公司 | Novel transformer |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |
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CF01 | Termination of patent right due to non-payment of annual fee |