CN212210883U - Isolation transformer with output power adjusting function - Google Patents
Isolation transformer with output power adjusting function Download PDFInfo
- Publication number
- CN212210883U CN212210883U CN202020439736.XU CN202020439736U CN212210883U CN 212210883 U CN212210883 U CN 212210883U CN 202020439736 U CN202020439736 U CN 202020439736U CN 212210883 U CN212210883 U CN 212210883U
- Authority
- CN
- China
- Prior art keywords
- transformer
- power
- load
- output
- secondary side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to an isolation transformer with output regulatory function, characterized by: the transformer comprises a transformer iron core (1), a primary side coil (2), a secondary side coil (3), a secondary side protection breaker (4), a power regulator (5) and a controller power supply (6); a primary side coil (2) and a secondary side coil (3) are respectively wound on a transformer iron core (1), the primary side coil (2) is electrically connected with an alternating current power supply, and the output of the secondary side coil (3) is electrically connected with the input end of a power regulator (5) through a secondary side protection circuit breaker (4). The total output load of the transformer can be larger than the rated output power of the transformer, so that the load connected with the transformer can be larger than the rated output load of the transformer, and the number of the transformers used is relatively reduced under the condition that the heating bar load configured on a single set of railway turnout snow melting equipment is constant.
Description
Technical Field
The utility model relates to a transformer, especially an isolation transformer with output power regulatory function in the snow system equipment is melted to railway switch.
Background
The transformer is an electric energy conversion device, which converts alternating current electric energy of one voltage and current into electric energy of another voltage and current with the same frequency by utilizing the electromagnetic induction principle. The sum of the loads on the output side of the transformer should not be greater than the rated power of the transformer. The transformer in the turnout snow melting system equipment mainly realizes the conversion of electric energy between different voltage levels, and plays the roles of isolating a track circuit and preventing the track circuit from generating a red light band due to short circuit.
The transformer with the output power regulating function plays roles of automatically regulating load output power, isolating a track circuit, converting electric energy and the like in a circuit.
Disclosure of Invention
The utility model aims at providing an isolation transformer with output power regulatory function to transformer output load total sum can be greater than the rated output power of transformer, makes the load that the transformer connects be greater than the rated output load of transformer, realizes that single group railway switch snow melt equipment disposes the heating strip load under certain circumstances the transformer quantity that uses becomes less relatively; or the quantity of the load power of the heating strips is increased under the condition that the switch snow melting control cabinet and the transformer are fixed, so that more switches can be configured, the snow removing function of more switch parts and switches can be completed, the use amount of the transformer in the switch snow melting engineering design is reduced, and the practical effect of reducing the investment cost is achieved.
The technical scheme of the utility model is that: the isolation transformer comprises a transformer iron core, a primary side coil, a secondary side protection circuit breaker, a power regulator and a controller power supply; the primary side coil and the secondary side coil are respectively wound on the transformer core, the primary side coil is electrically connected with an alternating current power supply, the output of the secondary side coil is connected with an input end power supply of the power regulator through a secondary side protection circuit breaker, and the output end of the power regulator is connected with a transformer load to form an output loop.
The secondary side coils are provided with a plurality of groups, each group of output is respectively connected to the input end of the power regulator after passing through a secondary side protection circuit breaker, and one path of power supply shunting end is electrically connected with the power supply end of the power regulator through a controller power supply; and supplying power to the controller.
The transformer load is composed of a load 1 to a load N, and the sum of the load 1 to the load N can be larger than the rated power of the transformer.
The transformer load is a heating strip, and the load is connected to the output end of the power regulator in parallel.
The power regulator comprises a processor and a sectional control circuit, the sectional control circuit is composed of two to eight controllable silicon and two to eight corresponding load power supplies, the processor is respectively connected with the control end power supplies of the corresponding controllable silicon, the input end of each controllable silicon is respectively connected with the output end of a secondary side protection circuit breaker, the output end of each controllable silicon is connected with one or more transformer loads, the transformer loads 1 to N are composed of one or more heating strips, and the power regulator controls the output of each controllable silicon to enable the transformer loads to work under different power combination states.
The power supply of the controller is 220V alternating current, and the 220V alternating current is connected to the input side of the protective secondary side protective circuit breaker.
The utility model has the advantages that: the utility model discloses design a power conditioner and install in the transformer box at transformer secondary side coil protection circuit breaker output. The power regulator adopts a sectional control circuit to control the on-off interval time-sharing control of the thyristor unit to control the load heating strip combination of the transformer, so that the total output load of the transformer can be larger than the rated output power of the transformer. The load connected with the transformer is larger than the load connected with the rated output of the transformer, so that the number of the transformers used is relatively reduced under the condition that the load of the heating strips configured on the single-group railway turnout snow melting equipment is constant; or the quantity of the load power of the heating strips is increased under the condition that the switch snow melting control cabinet and the transformer are fixed, so that more switches can be configured, the snow removing function of more switch parts and switches can be completed, the use amount of the transformer in the switch snow melting engineering design is reduced, and the practical effect of reducing the investment cost is achieved.
The present invention will be further explained with reference to the following embodiments and accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a duplex winding power regulating transformer in embodiment 1 of the present invention;
fig. 2 is a schematic block diagram of a duplex winding power regulator according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a three-winding power regulating transformer in embodiment 2 of the present invention;
fig. 4 is a schematic block diagram of a three-winding power regulator according to embodiment 2 of the present invention.
In the figure: 1. a transformer core; 2. a primary side coil; 3. a secondary side coil; 4. a secondary side protection circuit breaker; 4-1, a first protection breaker; 4-2, a second protection breaker; 5. a power regulator; 501. a control processor circuit; 502. a first thyristor unit; 503. a second thyristor unit; 504. a third thyristor unit; 505. a fourth thyristor unit; 506. a fifth silicon controlled unit; 507. a sixth thyristor unit; 508. a seventh silicon controlled unit; 509. an eighth silicon controlled unit; 6. a controller power supply; 7. a transformer load.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, the present invention relates to an isolation transformer with output power regulation function, which comprises a transformer core 1, a primary side coil 2, a secondary side coil 3, a secondary side protection circuit breaker 4, a power regulator 5, and a controller power supply 6; a primary side coil 2 and a secondary side coil 3 are respectively wound on a transformer core 1, the primary side coil 2 is electrically connected with an alternating current power supply, the output of the secondary side coil 3 is electrically connected with the input end of a power regulator 5 through a secondary side protection breaker 4, the secondary side protection breaker 4 comprises a power shunt end, and the power shunt end is electrically connected with the power supply end of the power regulator 5 through a controller power supply 6; a loop is formed by the output of the power regulator 5 and the transformer load 7.
As shown in fig. 2, the power regulator 5 includes and controls a processor circuit 501 and four thyristor units, such as a first thyristor unit 502, a second thyristor unit 503, a third thyristor unit 504, and a fourth thyristor unit 505 in fig. 2;
the output ends of the first controllable silicon unit 502, the second controllable silicon unit 503, the third controllable silicon unit 504 and the fourth controllable silicon unit 505 are respectively connected with first to fourth transformer loads;
the input ends of the first thyristor unit 502, the second thyristor unit 503, the third thyristor unit 504 and the fourth thyristor unit 505 are commonly connected with the output end of the secondary side protection circuit breaker 4;
the control ends of the first thyristor unit 502, the second thyristor unit 503, the third thyristor unit 504 and the fourth thyristor unit 505 are respectively electrically connected with the output control end of the control processor circuit 501.
The input end of each controllable silicon is respectively connected with the output end of a secondary side protection circuit breaker 4, the output end of each controllable silicon is connected with four transformer loads 7, and the power regulator 5 controls the output of each controllable silicon to enable the transformer loads 7 to work under different power combination states.
The transformer load 7 is composed of a load 1 to a load 4, and the sum of the load 1 to the load 4 may be greater than the rated power of the transformer. The controller power supply 6 is 220V alternating current, the 220V alternating current is connected to the input side of the secondary side protection circuit breaker 4, and when the secondary side protection circuit breaker 4 is disconnected, the monitoring function of the power regulator can still operate. The transformer sectionally controls the output loads 1 to 4, and the loads 1 to 4 are not isolated. The sum of the power of the load 1 to the load 4 is larger than the rated power of the transformer.
Example 2
As shown in fig. 3 and 4, the present invention relates to an isolation transformer with output power regulation function, which comprises a transformer core 1, a primary side coil 2, a secondary side coil 3, a secondary side protection breaker 4, a power regulator 5, and a controller power supply 6; a primary side coil 2 and a secondary side coil 3 are respectively wound on a transformer core 1, the primary side coil 2 is electrically connected with an alternating current power supply, the output of the secondary side coil 3 is electrically connected with the input end of a power regulator 5 through a secondary side protection breaker 4, the secondary side protection breaker 4 comprises a power shunt end, and the power shunt end is electrically connected with the power supply end of the power regulator 5 through a controller power supply 6; a loop is formed by the output of the power regulator 5 and the transformer load 7.
The secondary side coil 3 has 2 groups, the output of 2 groups is respectively connected to the input end of the power regulator 5 after passing through a first protective breaker 4-1 and a second protective breaker 4-2, wherein one path of power shunt end is electrically connected with the power end of the power regulator 5 through a controller power supply 6; supplies the power regulator 5 with operating power.
As shown in fig. 4, the power conditioner 5 includes: a control processor circuit 501 and a two-by-four thyristor unit.
A first four-way thyristor unit composed of a first thyristor unit 502, a second thyristor unit 503, a third thyristor unit 504 and a fourth thyristor unit 505 in fig. 4; a second four-way thyristor unit consisting of a fifth thyristor unit 506, a sixth thyristor unit 507, a seventh thyristor unit 508 and an eighth thyristor unit 509.
The output ends of the first thyristor unit 502, the second thyristor unit 503, the third thyristor unit 504 and the fourth thyristor unit 505 are respectively connected with the first to fourth transformer loads.
The output ends of the fifth thyristor unit 506, the sixth thyristor unit 507, the seventh thyristor unit 508 and the eighth thyristor unit 509 are respectively connected with fifth to eighth transformer loads.
The input ends of the first controllable silicon unit 502, the second controllable silicon unit 503, the third controllable silicon unit 504 and the fourth controllable silicon unit 505 are respectively connected with the input end of the first protection circuit breaker 4-1;
the input ends of the fifth silicon controlled unit 506, the sixth silicon controlled unit 507, the seventh silicon controlled unit 508 and the eighth silicon controlled unit 509 are respectively connected with the input end of the second protection circuit breaker 4-2;
the output control end of the control processor circuit 501 is electrically connected to the control ends of the first four silicon controlled rectifier units and the second four silicon controlled rectifier units respectively. And 8 output ends of the first four-way silicon controlled rectifier unit and the second four-way silicon controlled rectifier unit are respectively and electrically connected with the first transformer load, the second transformer load, the third transformer load, the fourth transformer load and the fifth transformer load. The power regulator 5 controls 8 silicon controlled outputs to enable the 8-path transformer load 7 to work under different power combination states.
The transformer load 7 is composed of a load 1 to a load 8, and the sum of the load 1 to the load 8 is larger than the rated power of the transformer. The controller power supply 6 is 220V alternating current, the 220V alternating current is connected to the input side of the secondary side protection circuit breaker 4, the secondary side protection circuit breaker 4 comprises a first protection circuit breaker 4-1 and a second protection circuit breaker 4-2, when the first protection circuit breaker 1 is disconnected, the monitoring function of the power regulator 5 can still operate, the output load controlled by the second protection circuit breaker 4-2 still operates, when the second protection circuit breaker 4-2 is disconnected, the monitoring function of the power regulator 5 can still operate, the output load controlled by the first protection circuit breaker 4-1 still operates, and when the first protection circuit breaker 4-1 and the second protection circuit breaker 4-2 are disconnected simultaneously, the monitoring function of the power regulator 5 can still operate. The transformer sectionally controls and outputs loads 1 to 8, and the loads 1 to 8 are separated in two groups.
In practice, the transformer load 7 is composed of a load 1 to a load N, and the sum of the load 1 to the load N is greater than the rated power of the transformer. The examples are given in two sets and do not represent that the present invention is limited to 8 sets of loads.
The transformer load 7 is a heating bar or other loads.
The utility model discloses a station yard of installation switch snow melting equipment is having the dilatation demand, when needing to increase snow melting power, perhaps when snow melting design in-process electric power reservation is not enough, solves the not enough problem of on-the-spot box transformer capacity. The transformer with the output power adjusting function is used without increasing the investment reconstruction of electric power, so that the engineering design problem in the snow melting application process is solved, and particularly the electric power problem is solved when snow melting reinforcement is needed at stations with turnout snow melting equipment installed in various railway offices.
Claims (6)
1. An isolation transformer with output power regulation function is characterized in that: the transformer comprises a transformer iron core (1), a primary side coil (2), a secondary side coil (3), a secondary side protection breaker (4), a power regulator (5) and a controller power supply (6); a primary side coil (2) and a secondary side coil (3) are respectively wound on a transformer iron core (1), the primary side coil (2) is electrically connected with an alternating current power supply, the output of the secondary side coil (3) is electrically connected with the input end of a power regulator (5) through a secondary side protection circuit breaker (4), the secondary side protection circuit breaker (4) comprises a power supply shunting end, and the power supply shunting end is electrically connected with the power supply end of the power regulator (5) through a controller power supply (6); a loop is formed by the output end of the power regulator (5) and the transformer load (7).
2. The isolation transformer with output power regulation function as claimed in claim 1, wherein: the secondary side coils (3) are provided with a plurality of groups, each group of output is respectively connected with the input end of the power regulator (5) after passing through a secondary side protection breaker (4), and one path of power shunt end is electrically connected with the power end of the power regulator (5) through the controller power supply (6) and supplies working power to the power regulator (5).
3. The isolation transformer with output power regulation function as claimed in claim 1, wherein: the transformer load (7) consists of a load 1 to a load N, and the sum of the load 1 to the load N is greater than the rated power of the transformer.
4. The isolation transformer with output power regulation function as claimed in claim 1, wherein: the transformer load (7) is a heating strip, and the load is connected to the output end of the power regulator (5) in parallel.
5. The isolation transformer with output power regulation function as claimed in claim 1, wherein: the power regulator (5) comprises a processor and a sectional control circuit, the sectional control circuit is composed of two to eight controllable silicon and two to eight corresponding load power supplies, the processor is respectively connected with a control end power supply of the corresponding controllable silicon, the input end of each controllable silicon is respectively connected with the output end of a secondary side protection circuit breaker (4), the output end of each controllable silicon is connected with one or more transformer loads (7), the transformer loads 1 to N are composed of one or more heating strips, and the power regulator (5) enables the transformer loads (7) to work under different power combination states by controlling the output of each controllable silicon.
6. The isolation transformer with output power regulation function as claimed in claim 1, wherein: the controller power supply (6) is 220V alternating current, and the 220V alternating current electrically connects to the input side of the secondary side protection circuit breaker (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439736.XU CN212210883U (en) | 2020-03-31 | 2020-03-31 | Isolation transformer with output power adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020439736.XU CN212210883U (en) | 2020-03-31 | 2020-03-31 | Isolation transformer with output power adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212210883U true CN212210883U (en) | 2020-12-22 |
Family
ID=73824905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020439736.XU Active CN212210883U (en) | 2020-03-31 | 2020-03-31 | Isolation transformer with output power adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212210883U (en) |
-
2020
- 2020-03-31 CN CN202020439736.XU patent/CN212210883U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101581946B (en) | Compensator transformer type voltage regulation method and device | |
| US20200153354A1 (en) | Controlling voltage in ac power lines | |
| CN203813439U (en) | Automatic voltage regulator of distribution line | |
| CN106936140B (en) | Reactive power adjusting device and method based on cooperation of flexible direct current and high-voltage parallel capacitor | |
| CN104124691A (en) | System electricity saving optimization, electric energy automatic adjustment and voltage stabilization device and device group thereof | |
| CN104716652A (en) | Magnetically controlled shunt reactor | |
| CN212210883U (en) | Isolation transformer with output power adjusting function | |
| CN100386962C (en) | Second generation high-voltage large-power frequency converter | |
| CN111404172B (en) | Mixed type dynamic reactive power compensation system and method based on high-impedance transformer | |
| CN110535139B (en) | Broad width pressure regulating device | |
| CN113809753A (en) | Voltage stabilizer for encapsulated coil transformer | |
| CN101488667A (en) | Power supply method for large sponge titanium smelting total transforming plant | |
| CN101610063A (en) | A kind of high voltage converter and control method thereof of utilizing inverter carrying out soft excitation | |
| CN115276423A (en) | Bipolar regulator and distribution alternating current voltage stabilizing device | |
| CN113805632A (en) | Voltage regulator for transformer | |
| CN210427691U (en) | Locomotive converter test power supply | |
| CN113489050A (en) | Induction type voltage regulation soft take-off and landing control system and method for photovoltaic power station | |
| CN207705784U (en) | A kind of energy saver for transformer in solar power plant | |
| CN106602573B (en) | Intelligent wide capacity-regulating voltage-regulating power distribution system | |
| CN113809751A (en) | Voltage stabilizer for double-winding transformer | |
| CN110154794A (en) | A kind of inductive electric energy transmission system of movable type sectional power supply | |
| CN113809752A (en) | Voltage regulator for split transformer | |
| CN113708680B (en) | Voltage regulator and voltage regulating system | |
| CN113644660A (en) | Automatic voltage stabilizer for transformer | |
| CN113644659A (en) | Voltage stabilizer for distribution transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |