CN209949501U - Contactless voltage-stabilizing lighting electricity-saving device - Google Patents
Contactless voltage-stabilizing lighting electricity-saving device Download PDFInfo
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- CN209949501U CN209949501U CN201920015834.8U CN201920015834U CN209949501U CN 209949501 U CN209949501 U CN 209949501U CN 201920015834 U CN201920015834 U CN 201920015834U CN 209949501 U CN209949501 U CN 209949501U
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- 230000005611 electricity Effects 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 11
- 239000010703 silicon Substances 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims description 7
- 238000011105 stabilization Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000006855 networking Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- NEEVCWPRIZJJRJ-LWRDCAMISA-N 5-(benzylideneamino)-6-[(e)-benzylideneamino]-2-sulfanylidene-1h-pyrimidin-4-one Chemical compound C=1C=CC=CC=1C=NC=1C(=O)NC(=S)NC=1\N=C\C1=CC=CC=C1 NEEVCWPRIZJJRJ-LWRDCAMISA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a contactless voltage-stabilizing lighting power saver, which comprises power saver intelligent control boxes which are electrically connected with each other; the three-phase independent compensation transformer unit and the thyristor module controllable adjusting unit; and the electricity saver outputs a protection and alarm unit. The controllable adjusting unit of the three-phase independent compensating transformer and the thyristor module is intelligently controlled by the power saver, automatically switches the connection state of two ends of a primary coil of each phase of compensating transformer and a phase line and a zero line of a power output end, dynamically adjusts the power supply voltage of the lighting load in real time, and stabilizes the output voltage within the precision range of 2%. The voltage-stabilizing lighting power saver is controlled by an anti-parallel silicon controlled module, the voltage-regulating response time is fast, the voltage-stabilizing precision is high, and three-phase separate regulation/uniform regulation can be switched in real time; the protection functions of phase loss, overcurrent, short circuit and the like are complete; and meanwhile, an RS485 communication interface is configured, so that remote networking monitoring can be realized.
Description
Technical Field
The utility model relates to an electric power system control field especially relates to a contactless steady voltage illumination electricity-saving appliance.
Background
The illumination is a modern civilized sign, and the control of the street lamp is the key point of illumination power saving. The region of China is vast, and the power supply quality of many regions is yet to be perfected: the lighting lamp flickers caused by voltage fluctuation, and the vision of people is disturbed; the low-voltage power supply causes the automatic extinguishing of the lighting lamp, and directly influences the life of people. A simple street lamp controller cannot meet the power consumption requirements of wide regions, particularly low-voltage regions; harmonic voltage generated in the voltage regulating process of the chopped wave street lamp power saver sold in the market pollutes the management of the power grid environment.
Therefore, how to design a contactless voltage-stabilizing lighting power saver becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems.
In order to achieve the above object, the utility model provides a following technical scheme: a contactless voltage-stabilizing lighting power saver comprises a power saver intelligent control box, a three-phase independent compensation transformer unit, a thyristor module controllable adjusting unit and a power saver output protection and alarm unit which are electrically connected with each other, wherein the three-phase independent compensation transformer unit and the thyristor module controllable adjusting unit are subjected to intelligent control of the power saver.
The intelligent control box of the electricity saver comprises a host chip and a control circuit consisting of A/D analog-to-digital conversion, D/A digital-to-analog conversion, data output latching, astronomical clock control, silicon controlled rectifier zero-crossing detection and LED display, wherein an output interface of the control circuit is connected with a thyristor drive board, and the drive board is connected with a thyristor control electrode.
The intelligent control box of the electricity economizer is connected with the A-phase compensation transformer unit, the B-phase compensation transformer unit and the C-phase compensation transformer unit, wherein the compensation transformer is an isolation transformer, and the transformation ratio of the isolation transformer is determined by the voltage stabilization range;
the dotted ends of the primary coil of each phase compensation transformer are all connected in parallel to form one end, the other ends of the primary coil are independent, and the dotted ends and the independent ends are respectively connected with a phase line and a zero line of the output end of the main loop power supply through two anti-parallel silicon controlled modules.
And the three-phase independent compensation transformer unit is connected with the A-phase thyristor controllable regulating unit, the B-phase thyristor controllable regulating unit and the C-phase thyristor controllable regulating unit.
And the control electrode of the controllable regulating unit of the thyristor module is connected with the output unit of the thyristor trigger board.
The intelligent control box of the electricity saver is connected with the output overcurrent, short circuit and open-phase protection unit.
And the intelligent control box of the electricity saver is connected with the RS485 output interface circuit.
The utility model has the advantages that: when the intelligent power-saving control system is started, constant power output is ensured, voltage stabilization power supply is realized during operation, and power saving intelligent control is realized; the output power is high, and the electricity-saving effect is obvious; in addition, the piezoresistor connected in parallel with the primary winding of the compensation transformer absorbs the peak voltage generated during the switching of the silicon controlled rectifier, so as to protect the reliable work of the silicon controlled rectifier; the main board sets over-voltage, under-voltage, open-phase, failure alarm and the like on line, and the commercial power, voltage stabilization, concordance and sub-regulation are automatically switched; the zero-crossing trigger circuit can minimize the switching current of the silicon controlled rectifier.
Drawings
Fig. 1 is a master control loop of a single-phase thyristor lighting power saver;
FIG. 2 is a main control loop of a three-phase thyristor lighting power saver;
FIG. 3 is a schematic diagram of the control of the contactor lighting power saver;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
A contactless voltage-stabilizing lighting power saver comprises a power saver intelligent control box, a three-phase independent compensation transformer unit, a thyristor module controllable adjusting unit and a power saver output protection and alarm unit which are electrically connected with each other, wherein the three-phase independent compensation transformer unit and the thyristor module controllable adjusting unit are subjected to intelligent control of the power saver.
The intelligent control box of the electricity saver comprises a host chip and a control circuit consisting of A/D analog-to-digital conversion, D/A digital-to-analog conversion, data output latching, astronomical clock control, silicon controlled rectifier zero-crossing detection and LED display, wherein an output interface of the control circuit is connected with a thyristor drive board, and the drive board is connected with a thyristor control electrode.
The intelligent control box of the electricity saver is connected with the output overcurrent, short circuit and open-phase protection units; the intelligent control box of the electricity saver is connected with the RS485 output interface circuit, and remote networking monitoring can be realized.
Specifically, the intelligent control box of the power saver contains a singlechip clock chip and a voltage stabilizer program chip; the voltage stabilizer program chip contains three-phase voltage and current A/D sampling conversion circuit, output interface circuit, I/0 programmable logic controller control circuit and thyristor trigger circuit. The main chip, the A/D sampling conversion circuit and the output interface circuit share a data bus. The intelligent control system comprises a control circuit consisting of A/D analog-to-digital conversion, D/A digital-to-analog conversion, data output latching, astronomical clock control, silicon controlled rectifier zero-crossing detection and LED display, wherein sunrise and sunset time calculated according to longitude and latitude is integrated with pedestrian and traffic flow at different time intervals according to a clock chip in an intelligent control box of a built-in electricity saver, and a time sequence control signal is immediately output to a main machine chip of a voltage stabilizer after parameter setting is carried out by a touch screen, so that the intelligent control functions of starting, voltage stabilization and electricity saving output, operation, shutdown and the like are automatically realized (the circuit connection is shown in figure 3, and the detailed description is omitted).
The intelligent control box of the electricity economizer is connected with the A-phase compensation transformer unit, the B-phase compensation transformer unit and the C-phase compensation transformer unit, wherein the compensation transformer is an isolation transformer, and the transformation ratio of the isolation transformer is determined by the voltage stabilization range; the dotted ends of the primary coil of each phase of the compensation transformer are all connected in parallel to form one end, the other ends of the primary coil are independent, and the dotted ends and the independent ends are respectively connected with a phase line and a zero line of the output end of the main loop power supply through two anti-parallel silicon controlled modules; the three-phase independent compensation transformer unit is connected with the A-phase thyristor controllable regulating unit, the B-phase thyristor controllable regulating unit and the C-phase thyristor controllable regulating unit; and the control electrode of the controllable regulating unit of the thyristor module is connected with the output unit of the thyristor trigger board.
Specifically, referring to fig. 2, three independent compensation transformer units each have 3 isolation transformers with different transformation ratios, the transformation ratio of the transformer is determined by the compensation range of the voltage stabilizer, and when the voltage stabilization range of 15% is normal, the positive and negative compensation voltages are determined to be 35V (the compensation voltages are 5V, 10V and 20V respectively). After the secondary side coils of the compensation transformer are connected according to the head and the tail of the large coil, the middle coil and the small coil in sequence (the head of the A phase small coil is the main power supply input end, the tail of the large coil is the main power supply output end, and the other two phases are the same), the secondary side coils are directly connected into a main power supply loop in series. Three dotted terminals of a primary winding of the compensation transformer are connected in parallel to form one end and are connected to a common terminal of a control input polarity reverse parallel module group (SCR 7-8); the other end of the primary winding of the compensation transformer is respectively and correspondingly connected to the common end of the two voltage regulation control anti-parallel module groups: SCR1-2 (compensation voltage 5V), SCR3-4 (compensation voltage 10V), and SCR5-6 (compensation voltage 20V). The compensation polarity control module group (SCR7-8) works under the instruction of the electricity saver control box: the input voltage is low, the positive complement SCR7 is on, the input voltage is high, and the negative complement SCR8 is on. Two ends of the compensating transformer winding are conducted by the three sets of anti-parallel modules and connected to the phase and zero lines of the output loop of the stabilized voltage supply, and the control electrode of the anti-parallel module is connected with the output end of the zero-crossing trigger circuit. The host chip compares and judges the voltage signal of the sampling circuit with the reference voltage and then outputs an instruction, and controls the conduction and the disconnection of the anti-parallel module through the output interface circuit to provide the superposition/attenuation voltage of 0-35V for the main loop. When the street lamp is started to run, for example, when the input voltage is lower than a rated value (220V), the SCR7 is conducted, the program instructs the corresponding anti-parallel module to work, the output voltage is increased, the starting voltage with rated power is provided for the period of time, when the voltage stabilizer enters the electricity-saving mode to run, the module SCR8 is conducted (reverse complement), the intelligent control box of the electricity saver instructs the corresponding anti-parallel module to work according to the flow environments of people and vehicles at different periods of time, the output voltage is gradually reduced along with the instruction, the lowest value can be reduced to 185V, and the maximum electricity-saving effect is achieved.
It can be understood that, to the ordinary technical personnel in the field of the utility model, can be according to the utility model discloses a technical scheme and design carry out corresponding equivalence transform, do not have creative equivalent replacement and all should belong to the scope of the utility model discloses expose. The utility model discloses except can using in the fingerprint detection field, also can be arranged in the application that needs detect other small-signals.
Claims (7)
1. A contactless voltage-stabilizing lighting power saver is characterized in that: the intelligent control system comprises an electricity-saving device intelligent control box, a three-phase independent compensating transformer unit, a thyristor module controllable adjusting unit and an electricity-saving device output protection and alarm unit which are electrically connected with each other, wherein the three-phase independent compensating transformer unit and the thyristor module controllable adjusting unit are controlled by the electricity-saving device intelligently.
2. The contactless voltage-stabilizing lighting power saver according to claim 1, characterized in that: the intelligent control box of the electricity saver comprises a host chip and a control circuit consisting of A/D analog-to-digital conversion, D/A digital-to-analog conversion, data output latching, astronomical clock control, silicon controlled rectifier zero-crossing detection and LED display, wherein an output interface of the control circuit is connected with a thyristor drive board, and the drive board is connected with a thyristor control electrode.
3. The contactless voltage-stabilizing lighting power saver according to claim 1 or 2, characterized in that: the intelligent control box of the electricity economizer is connected with the A-phase compensation transformer unit, the B-phase compensation transformer unit and the C-phase compensation transformer unit, wherein the compensation transformer is an isolation transformer, and the transformation ratio of the isolation transformer is determined by the voltage stabilization range;
the dotted ends of the primary coil of each phase compensation transformer are all connected in parallel to form one end, the other ends of the primary coil are independent, and the dotted ends and the independent ends are respectively connected with a phase line and a zero line of the output end of the main loop power supply through two anti-parallel silicon controlled modules.
4. The contactless voltage-stabilizing lighting power saver according to claim 3, characterized in that: and the three-phase independent compensation transformer unit is connected with the A-phase thyristor controllable regulating unit, the B-phase thyristor controllable regulating unit and the C-phase thyristor controllable regulating unit.
5. The contactless voltage-stabilizing lighting power saver according to claim 1, characterized in that: and the control electrode of the controllable regulating unit of the thyristor module is connected with the output unit of the thyristor trigger board.
6. The contactless voltage-stabilizing lighting power saver according to claim 3, characterized in that: the intelligent control box of the electricity saver is connected with the output overcurrent, short circuit and open-phase protection unit.
7. The contactless voltage-stabilizing lighting power saver according to claim 3, characterized in that: and the intelligent control box of the electricity saver is connected with the RS485 output interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015834.8U CN209949501U (en) | 2019-01-04 | 2019-01-04 | Contactless voltage-stabilizing lighting electricity-saving device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920015834.8U CN209949501U (en) | 2019-01-04 | 2019-01-04 | Contactless voltage-stabilizing lighting electricity-saving device |
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| CN209949501U true CN209949501U (en) | 2020-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115617108A (en) * | 2022-09-30 | 2023-01-17 | 科华数据股份有限公司 | Protection device for compensation switch of voltage stabilizer and voltage stabilizer |
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2019
- 2019-01-04 CN CN201920015834.8U patent/CN209949501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115617108A (en) * | 2022-09-30 | 2023-01-17 | 科华数据股份有限公司 | Protection device for compensation switch of voltage stabilizer and voltage stabilizer |
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