CN110907679A - Voltage transformer assembly with switchable capacity - Google Patents
Voltage transformer assembly with switchable capacity Download PDFInfo
- Publication number
- CN110907679A CN110907679A CN201911346843.6A CN201911346843A CN110907679A CN 110907679 A CN110907679 A CN 110907679A CN 201911346843 A CN201911346843 A CN 201911346843A CN 110907679 A CN110907679 A CN 110907679A
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- voltage transformer
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- 239000004020 conductor Substances 0.000 claims description 36
- 230000008602 contraction Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a capacity switchable voltage transformer assembly which comprises a bottom plate and a plurality of voltage transformers which are distributed on the bottom plate and are longitudinally arranged in a straight line, wherein each voltage transformer is provided with a first wiring part positioned at the bottom of the voltage transformer, a second wiring part and a third wiring part which are symmetrically distributed at the upper end of the voltage transformer, and the capacity switchable voltage transformer assembly also comprises a longitudinal moving mechanism which is arranged on the bottom plate and can longitudinally move, a first telescopic trigger part which is arranged on the longitudinal moving mechanism and can transversely stretch and contract to be matched with the first wiring part of the corresponding voltage transformer, and a second telescopic trigger part which is arranged on the longitudinal moving mechanism and can arcuately stretch and contract to be matched with the second wiring part and the third wiring part of the corresponding voltage transformer. On the basis of the traditional single voltage transformer, the structure of each wiring terminal is changed, the circuit is quickly connected, the voltage transformers with different capacities can be freely switched, and the power utilization safety is ensured while the automation degree is high.
Description
Technical Field
The invention relates to the technical field of voltage transformers, in particular to a capacity switchable voltage transformer assembly.
Background
As is well known, voltage transformers have different capacities according to the use place and the working condition of the power used, and are matched with the voltage transformers. The concept of the capacity of the voltage transformer is the same as that of the transformer, but the capacity of the existing voltage transformer has certain limitation, for example, the capacity of the voltage transformer of a certain type can only be suitable for a power working condition within a certain range, and once other power parameters in a circuit are changed, the voltage transformer can be damaged. Therefore, in order to deal with the environments in which different power working conditions are used, the capacity of the voltage transformer can be switched according to different working conditions, and the whole circuit is well protected.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a capacity switchable voltage transformer assembly. The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a changeable formula voltage transformer subassembly of capacity, be the voltage transformer of a word longitudinal arrangement including bottom plate and a plurality of distribution on the bottom plate, this voltage transformer has the first wiring portion and the second wiring portion of symmetric distribution in the voltage transformer upper end that are located the voltage transformer bottom, third wiring portion, still including setting up the longitudinal movement mechanism that can longitudinal motion on the bottom plate, the setting just can transversely stretch out and draw back in order to with the first telescopic trigger part of the first wiring portion complex of voltage transformer that corresponds on the longitudinal movement mechanism, the setting just arc is flexible in order to with the telescopic trigger part of the second of the voltage transformer that corresponds and the telescopic trigger part of third wiring portion complex on the longitudinal movement mechanism.
The longitudinal moving mechanism comprises a guide rail fixed on the bottom plate, a longitudinal rack arranged in parallel with the guide rail, a support sliding along the guide rail, a longitudinal moving motor installed on the support, and a longitudinal gear installed on the longitudinal moving motor and meshed with the longitudinal rack.
The first telescopic trigger part comprises a transverse moving motor fixed on the longitudinal moving mechanism, a transverse moving gear installed on the transverse moving motor, and a lower telescopic plugboard meshed with the transverse moving gear and installed on the longitudinal moving mechanism in a sliding mode, and the lower telescopic plugboard stretches out and then is inserted into a first wiring part on a corresponding voltage transformer to connect a line at the position.
The lower telescopic inserting plate is provided with a lower rack meshed with the transverse moving gear;
the lower telescopic plugboard is internally embedded with a lower conductor which is inserted into the first wiring part after extending out to connect a circuit;
the second telescopic trigger part comprises an arc-shaped guide sleeve fixed on the longitudinal moving mechanism and an arc-shaped inserting plate capable of stretching out and drawing back on the arc-shaped guide sleeve, and the arc-shaped inserting plate is matched with the second wiring part and the third wiring part of the corresponding voltage transformer after extending out to be communicated with a corresponding position circuit.
The arc-shaped guide sleeve is provided with a side plate, an upper telescopic motor and an upper telescopic gear which is arranged on the upper telescopic motor and is matched with the arc-shaped inserting plate to drive the arc-shaped inserting plate to do telescopic motion are fixed on the side plate;
the arc-shaped motion track of the arc-shaped inserting plate passes through the end parts of the second wiring part and the third wiring part;
the arc-shaped outer end of the arc-shaped inserting plate is provided with an arc-shaped rack meshed with the upper telescopic gear;
the first arc-shaped electric conductor and the second arc-shaped electric conductor which are independent from each other are embedded in the arc-shaped inserting plate, and after the arc-shaped inserting plate extends out, the first arc-shaped electric conductor and the second arc-shaped electric conductor are respectively and correspondingly inserted into the second wiring part and the third wiring part and are connected with a circuit at the inserting position;
the arc guide sleeve is provided with an arc cavity for accommodating the arc inserting plate;
the first wire connecting portion has a first wire connecting end ring, the second wire connecting portion has a second wire connecting end ring, and the third wire connecting portion has a third wire connecting end ring;
the first wiring end ring, the second wiring end ring and the third wiring end ring are all provided with a circle of ring grooves, and the ring grooves on the first wiring end ring, the second wiring end ring and the third wiring end ring are respectively attached to the corresponding lower conductor, the first arc-shaped conductor and the second arc-shaped conductor so as to connect a circuit;
the arc-shaped inserting plate and the lower telescopic inserting plate are both made of insulating materials.
The invention has the beneficial effects that: on the basis of the traditional single voltage transformer, the structure of each wiring terminal is changed, meanwhile, the first telescopic trigger part and the second telescopic trigger part are used for realizing the quick connection of a circuit, and the longitudinal moving mechanism can be used for realizing the free switching among the voltage transformers with different capacities, so that the voltage transformers can be used under different power working conditions, and the power utilization safety and the high automation degree are ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic top view of a partial structure of the present invention;
FIG. 4 is a schematic view of a portion of a second telescoping trigger of the present invention;
FIG. 5 is a schematic view of the configuration of the lower retractable board of the present invention in cooperation with the first wiring portion;
FIG. 6 is a schematic view of the structure of the lower conductor of the present invention engaged with the ring groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 6, a capacity switchable voltage transformer assembly includes a bottom plate 1 and a plurality of voltage transformers 13 distributed on the bottom plate 1 in a straight-line longitudinal arrangement, where the voltage transformers 13 have a first wiring portion 16 located at the bottom of the voltage transformers 13, and second and third wiring portions 14 and 15 symmetrically distributed at the upper end of the voltage transformers 13, and further includes a longitudinal moving mechanism capable of longitudinal movement disposed on the bottom plate 1, a first telescopic triggering portion disposed on the longitudinal moving mechanism and capable of transverse extension and contraction to cooperate with the first wiring portion 16 of the corresponding voltage transformer 13, and a second telescopic triggering portion disposed on the longitudinal moving mechanism and capable of arc extension and contraction to cooperate with the second and third wiring portions 14 and 15 of the corresponding voltage transformer 13. The main structure of the voltage transformer 13 of the invention is still the structure of the traditional single-phase voltage transformer, and the second wiring part 14 and the third wiring part 15 are also provided with an insulating umbrella skirt structure; the invention integrates a plurality of voltage transformers 13 which are arranged in a straight line and longitudinally arranged, and the capacities of the voltage transformers 13 are different, thereby being capable of carrying out adaptive adjustment aiming at different electric power working conditions; according to the invention, the first telescopic trigger part and the second telescopic trigger part are designed and matched with the longitudinal moving mechanism, so that the voltage transformers 13 can be switched, the quick disconnection and connection can be realized, manual operation and control are not needed, and the safety performance is high.
The longitudinal moving mechanism comprises a guide rail 5 fixed on the bottom plate 1, a longitudinal rack 2 arranged in parallel with the guide rail 5, a support 6 sliding along the guide rail 5, a longitudinal moving motor 4 installed on the support 6, and a longitudinal gear 3 installed on the longitudinal moving motor 4 and meshed with the longitudinal rack 2.
The first telescopic trigger part comprises a transverse moving motor 9 fixed on a support 6 of the longitudinal moving mechanism, a transverse moving gear 8 arranged on the transverse moving motor 9, and a lower telescopic plugboard 7 which is meshed with the transverse moving gear 8 and is slidably arranged on the longitudinal moving mechanism, wherein the lower telescopic plugboard 7 extends out and then is inserted into a first wiring part 16 on a corresponding voltage transformer 13 to connect a line at the position. The invention drives the transverse gear 8 to rotate positively and negatively through the transverse motor 9, thereby driving the telescopic plugboard 7 to do the extending or retracting horizontal movement, when the telescopic plugboard extends out, the telescopic plugboard can be contacted with the first wiring part 16 to connect the circuit at the position, when the telescopic plugboard retracts, the transverse gear is disconnected with the first wiring part 16, and the circuit at the position is disconnected easily.
The lower telescopic inserting plate 7 is provided with a lower rack 7a meshed with the traverse gear 8.
The lower telescopic insertion plate 7 is internally embedded with a lower conductor 20, and the lower conductor 20 is inserted into the first wiring part 16 after the lower telescopic insertion plate 7 extends out to connect a circuit. The lower telescopic inserting plate 7 of the invention integrates the lower rack 7a and the lower conductor 20, and can be meshed with the transverse gear 8 to realize telescopic motion while ensuring electric conduction.
The second telescopic trigger part comprises an arc-shaped guide sleeve 10 fixed on a support 6 of the longitudinal moving mechanism and an arc-shaped inserting plate 17 capable of stretching and retracting on the arc-shaped guide sleeve 10, and the arc-shaped inserting plate 17 is matched with a second wiring part 14 and a third wiring part 15 of a corresponding voltage transformer 13 after being stretched out to be communicated with a corresponding position circuit. The invention fully utilizes the structural layout of the second wiring part 14 and the third wiring part 15 which are symmetrically distributed at the upper end of the voltage transformer 13, and by means of the telescopic motion of the arc-shaped inserting plate 17, the arc-shaped inserting plate 17 is matched with the second wiring part 14 and the third wiring part 15 of the corresponding voltage transformer 13 when extending out to connect a circuit at a corresponding position, and when the arc-shaped inserting plate 17 retracts, the circuit at the corresponding position can be quickly disconnected.
The arc guide sleeve 10 is provided with a side plate 10b, an upper telescopic motor 11, an upper telescopic gear 12 which is arranged on the upper telescopic motor 11 and is matched with the arc inserting plate 17 to drive the arc inserting plate 17 to do telescopic motion are fixed on the side plate 10b, and an arc rack 17a meshed with the upper telescopic gear 12 is arranged at the arc outer end of the arc inserting plate 17. The upper telescopic gear 12 is driven by the upper telescopic motor 11 to rotate forward and backward, so that the arc-shaped inserting plate 17 is driven to extend or retract.
The arc-shaped motion track of the arc-shaped inserting plate 17 passes through the end parts of the second wire connecting part 14 and the third wire connecting part 15 so as to ensure that the arc-shaped inserting plate 17 can contact the end parts of the second wire connecting part 14 and the third wire connecting part 15 when extending out.
The arc-shaped inserting plate 17 is internally embedded with a first arc-shaped electric conductor 19 and a second arc-shaped electric conductor 18 which are independent from each other, and the first arc-shaped electric conductor 19 and the second arc-shaped electric conductor 18 are respectively and correspondingly inserted into the second wiring part 14 and the third wiring part 15 after the arc-shaped inserting plate 17 extends out and are connected with a circuit at the inserting position; the arc-shaped inserting plate 17 of the invention also integrates the first arc-shaped electric conductor 19, the second arc-shaped electric conductor 18 and the arc-shaped rack 17a, has the electric conduction function and can be matched with the upper telescopic gear 12 to realize the telescopic function.
The arc-shaped guide sleeve 10 is provided with an arc-shaped cavity 10a for accommodating the arc-shaped inserting plate 17, thereby ensuring that when the arc-shaped inserting plate 17 retracts, enough space is available for storing the arc-shaped inserting plate 17 without interference.
The first wiring portion 16 has a first wiring end ring 16a, the second wiring portion 14 has a second wiring end ring 14a, and the third wiring portion 15 has a third wiring end ring 15 a;
the first, second and third wiring end rings 16a, 14a and 15a are all provided with a ring groove 21, and the ring grooves 21 on the first, second and third wiring end rings 16a, 14a and 15a are respectively attached to the corresponding lower conductor 20, first arc-shaped conductor 19 and second arc-shaped conductor 18 to complete the circuit.
On the basis of the traditional voltage transformer, the invention changes the first wiring part 16, the second wiring part 14 and the third wiring part 15, namely, the traditional mode of pressing a connecting line by a bolt is changed into the connection mode that the annular grooves 21 on the first wiring end ring 16a, the second wiring end ring 14a and the third wiring end ring 15a are respectively jointed with the corresponding lower conductor 20, the first arc-shaped conductor 19 and the second arc-shaped conductor 18 to connect a circuit, thereby realizing the quick power taking and the quick power off.
The arc-shaped inserting plate 17 and the lower telescopic inserting plate 7 are both made of insulating materials, so that the lower electric conductor 20, the first arc-shaped electric conductor 19 and the second arc-shaped electric conductor 18 are ensured not to be in a short circuit condition after the circuit is connected.
The lower conductor 20, the first arc conductor 19, and the second arc conductor 18 are electrically connected to the corresponding first terminal ring 16a, the second terminal ring 14a, and the third terminal ring 15a by wires.
When the voltage transformer is used, the corresponding voltage transformer can be selected according to specific electric power working conditions, then the transverse moving motor 9 and the upper telescopic motor 11 are started to drive the lower telescopic plugboard 7 and the arc plugboard 17 to extend out and be inserted into the first wiring end ring 16a, the second wiring end ring 14a and the third wiring end ring 15a of the corresponding voltage transformer, and a circuit is quickly connected, so that the voltage transformer can be normally put into circuit use.
When switching is needed, the transverse moving motor 9 and the upper telescopic motor 11 rotate reversely, so that the lower telescopic plugboard 7 and the arc plugboard 17 are quickly separated from the first wiring end ring 16a, the second wiring end ring 14a and the third wiring end ring 15a, the longitudinal moving motor 4 is used for rotating to drive the support 6 to move to the position of the appointed voltage transformer, then the transverse moving motor 9 and the upper telescopic motor 11 are started again, so that the lower telescopic plugboard 7 and the arc plugboard 17 extend out and are quickly matched with the first wiring end ring 16a, the second wiring end ring 14a and the third wiring end ring 15a to be communicated with a circuit, and the switch can be used.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a changeable formula voltage transformer subassembly of capacity, includes bottom plate (1) and a plurality of that distributes on bottom plate (1) are a word longitudinal arrangement's voltage transformer (13), and this voltage transformer (13) have first wiring portion (16) and second wiring portion (14), third wiring portion (15) of symmetric distribution in voltage transformer (13) upper end that are located voltage transformer (13) bottom, its characterized in that: the voltage transformer switching device is characterized by further comprising a longitudinal moving mechanism which is arranged on the bottom plate (1) and can move longitudinally, a first telescopic trigger part which is arranged on the longitudinal moving mechanism and can stretch transversely and stretch out and draw back to be matched with a first wiring part (16) of a corresponding voltage transformer (13), and a second telescopic trigger part which is arranged on the longitudinal moving mechanism and stretches out and draw back in an arc shape to be matched with a second wiring part (14) and a third wiring part (15) of the corresponding voltage transformer (13).
2. The capacity switchable voltage transformer assembly of claim 1, wherein: the longitudinal moving mechanism comprises a guide rail (5) fixed on the bottom plate (1), a longitudinal rack (2) arranged in parallel with the guide rail (5), a support (6) sliding along the guide rail (5), a longitudinal moving motor (4) installed on the support (6), and a longitudinal gear (3) installed on the longitudinal moving motor (4) and meshed with the longitudinal rack (2).
3. The capacity switchable voltage transformer assembly of claim 1, wherein: the first telescopic trigger part comprises a transverse moving motor (9) fixed on the longitudinal moving mechanism, a transverse moving gear (8) installed on the transverse moving motor (9), and a lower telescopic plugboard (7) meshed with the transverse moving gear (8) and installed on the longitudinal moving mechanism in a sliding mode, wherein the lower telescopic plugboard (7) stretches out and then is inserted into a first wiring part (16) on a corresponding voltage transformer (13) to connect a circuit at the position.
4. The capacity switchable voltage transformer assembly of claim 3, wherein: the lower telescopic inserting plate (7) is provided with a lower rack (7a) meshed with the transverse moving gear (8).
5. The capacity switchable voltage transformer assembly of claim 3, wherein: the lower telescopic plugboard (7) is internally embedded with a lower conductor (20), and the lower conductor (20) is inserted into the first wiring part (16) after the lower telescopic plugboard (7) extends out to connect a circuit.
6. The capacity switchable voltage transformer assembly of claim 1, wherein: the second telescopic trigger part comprises an arc guide sleeve (10) fixed on the longitudinal moving mechanism and an arc inserting plate (17) capable of stretching out and drawing back on the arc guide sleeve (10), and the arc inserting plate (17) is matched with a second wiring part (14) and a third wiring part (15) of a corresponding voltage transformer (13) after extending out to be communicated with a corresponding position circuit.
7. The capacity switchable voltage transformer assembly of claim 6, wherein: the arc-shaped guide sleeve (10) is provided with a side plate (10b), an upper telescopic motor (11) and an upper telescopic gear (12) which is arranged on the upper telescopic motor (11) and is matched with the arc-shaped inserting plate (17) to drive the arc-shaped inserting plate (17) to do telescopic motion are fixed on the side plate (10 b).
8. The capacity switchable voltage transformer assembly of claim 6, wherein: the arc-shaped motion track of the arc-shaped inserting plate (17) passes through the end parts of the second wiring part (14) and the third wiring part (15).
9. The capacity switchable voltage transformer assembly of claim 6, wherein: the arc-shaped inserting plate (17) is internally embedded with a first arc-shaped electric conductor (19) and a second arc-shaped electric conductor (18) which are independent of each other, and the first arc-shaped electric conductor (19) and the second arc-shaped electric conductor (18) are correspondingly inserted into the second wiring part (14) and the third wiring part (15) respectively and are connected with a circuit at the inserting position after the arc-shaped inserting plate (17) extends out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346843.6A CN110907679A (en) | 2019-12-24 | 2019-12-24 | Voltage transformer assembly with switchable capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911346843.6A CN110907679A (en) | 2019-12-24 | 2019-12-24 | Voltage transformer assembly with switchable capacity |
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| Publication Number | Publication Date |
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| CN110907679A true CN110907679A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911346843.6A Pending CN110907679A (en) | 2019-12-24 | 2019-12-24 | Voltage transformer assembly with switchable capacity |
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| CN (1) | CN110907679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554488A (en) * | 2020-05-23 | 2020-08-18 | 安徽华能集团电器有限公司 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
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| CN110275126A (en) * | 2019-07-09 | 2019-09-24 | 河北海纳电测仪器股份有限公司 | Quality of transformer performance test experimental bed |
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-
2019
- 2019-12-24 CN CN201911346843.6A patent/CN110907679A/en active Pending
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| US4583043A (en) * | 1983-02-25 | 1986-04-15 | Southern California Edison Company, Inc. | Determination of electrical energy diversion |
| CN1181813A (en) * | 1995-04-18 | 1998-05-13 | 西门子公司 | Radio-interrogatable current transformer using surface wave tech. for high-voltage installations |
| CN104730383A (en) * | 2015-03-12 | 2015-06-24 | 国家电网公司 | Low-voltage current transformer comprehensive testing device and method |
| DE102015113646A1 (en) * | 2015-08-18 | 2017-02-23 | Wago Verwaltungsgesellschaft Mbh | Power converter |
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| CN111554488A (en) * | 2020-05-23 | 2020-08-18 | 安徽华能集团电器有限公司 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
| CN111554488B (en) * | 2020-05-23 | 2023-03-10 | 安徽华能集团电器有限公司 | Multi-specification current mutual inductance assembly capable of achieving quick switching connection |
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