CN220822920U - Double-phase voltage regulating circuit - Google Patents
Double-phase voltage regulating circuit Download PDFInfo
- Publication number
- CN220822920U CN220822920U CN202321962724.5U CN202321962724U CN220822920U CN 220822920 U CN220822920 U CN 220822920U CN 202321962724 U CN202321962724 U CN 202321962724U CN 220822920 U CN220822920 U CN 220822920U
- Authority
- CN
- China
- Prior art keywords
- voltage
- winding
- circuit
- output
- control switch
- 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
- 230000001105 regulatory effect Effects 0.000 title claims description 20
- 238000004804 winding Methods 0.000 claims abstract description 93
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 35
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of voltage regulation, and provides a double-phase voltage regulation circuit, which comprises an isolation transformer and a control transformer, wherein the isolation transformer comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, the voltage output winding GB1 and the voltage output winding GB2 are opposite in coil winding method, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end; the control transformer comprises a primary winding KB-1, a booster winding KA1 and a step-down winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end, so that accurate step-up or step-down on the power transmission line is realized, the circuit structure is simple, the cost of a user product is reduced, and the applicability is wide.
Description
Technical Field
The utility model belongs to the technical field of voltage regulation, and particularly relates to a double-phase voltage regulation circuit.
Background
The voltage quality has direct influence on the stability of the power grid and the safe operation of power equipment, industrial and agricultural production and the life and power consumption of urban and rural residents. In the process of outputting current, the equivalent resistance exists in the power transmission line, and voltage drop of the power supply can be caused in the process of transmitting the current from the power supply output end to the load end, so that the voltage compensation is generally realized by adopting a corresponding voltage compensation circuit.
In a related art, for example, patent application number 202011027547.2, an output voltage compensation circuit is disclosed, the circuit comprising: the device comprises a control module, a PWM output module, a power conversion module, a current detection module, a voltage compensation adjustment module and a feedback module; the power conversion module is used for converting signals of the voltage input end according to the PWM signals output by the PWM output module and then outputting the converted signals from the voltage output end; the current detection module is used for detecting the current flowing through the power conversion module, and the voltage compensation adjustment module is used for outputting compensation voltage to the feedback module according to the current detected by the current detection module and the voltage output by the power conversion module; the control module is used for adjusting the PWM signal output by the PWM output module according to the compensation voltage output by the voltage compensation adjustment module so as to adjust the output voltage of the power conversion module, thereby realizing that the voltage drop generated by wiring impedance can be compensated without remote feedback and without adding a feedback line, and further reducing the wiring complexity and cost.
However, the compensation circuit provided by the above-mentioned disclosed scheme is mainly applied to terminal equipment, and its application scenario is single, and the structure is complicated, resulting in higher overall product cost.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a double-phase voltage regulating circuit, which aims to solve the problems that the compensation circuit in the prior art is mainly applied to terminal equipment, has single application scene and complex structure, and leads to higher overall product cost.
The technical scheme provided by the utility model is as follows: a bi-phase voltage regulating circuit comprises an isolation transformer and a control transformer;
The isolation transformer comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, wherein the winding method of the voltage output winding GB1 is opposite to that of the voltage output winding GB2, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end;
The control transformer comprises a primary winding KB-1, a boost winding KA1 and a buck winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end;
The voltage output winding GB1 and the buck winding KB1 form a buck circuit, and the voltage output winding GB2 and the buck winding KA1 form a boost circuit.
As an improved scheme, a control switch JB2 is connected in series in the voltage-reducing circuit, a control switch JA1 is connected in series in the voltage-increasing circuit, and the control switch JA1 and the control switch JB2 are both connected with a singlechip which sends a switch on or off instruction.
As an improved scheme, the control switch JA1 and the control switch JB2 are relays, thyristors, manual contacts or a combination of the relays and the thyristors.
As an improved solution, when the control switch JA1 and the control switch JB2 are a combination of a relay and a silicon controlled rectifier, the silicon controlled rectifier is a bidirectional silicon controlled rectifier, wherein:
The circuit led out from the T1 end of the bidirectional thyristor is connected with the input voltage, the circuit led out from the T2 end is connected with the output voltage after being connected with a load in series, and the relay is connected on the T1 end and the T2 end of the bidirectional thyristor in parallel;
And the GATE end of the bidirectional thyristor and the control end of the relay are connected with the singlechip.
As an improved scheme, in the preset time of the load conduction, the bidirectional thyristor is conducted before the relay, and the voltage difference between two ends of the relay is reduced to a first preset voltage value;
the voltage drop of the bidirectional thyristor is the first preset voltage value.
As an improved scheme, when the preset time is reached, the singlechip controls the relay to be conducted, and the voltage drop of the bidirectional thyristor is reduced to 0 from the first preset voltage value.
As an improved scheme, when the load is disconnected, the relay is disconnected before the bidirectional thyristor is disconnected, and when the voltage drop of the bidirectional thyristor rises to the first preset voltage value, the bidirectional thyristor is disconnected, and the voltage drop is reduced to 0.
As a modification, the preset time is 10ms.
As a further development, the first preset voltage value is 0.7V.
The utility model discloses a double-phase voltage regulating circuit, which comprises an isolation transformer and a control transformer, wherein the isolation transformer comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, the winding methods of the voltage output winding GB1 and the voltage output winding GB2 are opposite, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end; the control transformer comprises a primary winding KB-1, a booster winding KA1 and a step-down winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end, so that accurate step-up or step-down on the power transmission line is realized, the circuit structure is simple, the cost of a user product is reduced, and the applicability is wide.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a circuit diagram of a bi-phase voltage regulating circuit provided by the present utility model;
Fig. 2 is a schematic circuit diagram of a control switch JA1 and a control switch JB2 provided by the utility model;
The device comprises a bidirectional thyristor, a relay, a load, a singlechip, an isolation transformer, a control transformer and a control transformer, wherein the bidirectional thyristor comprises the following components of 1, 2, 3, 4, 5 and 6.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for the purpose of more clearly illustrating the technical aspects of the present utility model, and thus are merely exemplary and are not to be construed as limiting the scope of the present utility model.
Fig. 1 is a circuit diagram of a bi-phase voltage regulating circuit provided by the present utility model, and only the parts relevant to the present utility model are shown for convenience of explanation. The double-phase voltage regulating circuit comprises an isolation transformer 5 and a control transformer 6;
the isolation transformer 5 comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, wherein the winding method of the voltage output winding GB1 and the winding method of the voltage output winding GB2 are opposite, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end;
the control transformer 5 comprises a primary winding KB-1, a boost winding KA1 and a buck winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end;
the voltage output winding GB1 and the voltage reduction winding KB1 form a voltage reduction circuit, and the voltage output winding GB2 and the voltage reduction winding KA1 form a voltage increase circuit.
The double-phase voltage regulating circuit can realize voltage rising and voltage reducing, and the whole circuit is simple in structure and low in cost.
In this utility model, referring to fig. 1, the step-up circuit and the step-down circuit may further include other elements, for example: the step-down circuit is connected with a control switch JB2 in series, the step-up circuit is connected with a control switch JA1 in series, and the control switch JA1 and the control switch JB2 are both connected with a singlechip which sends a switch on or off instruction, wherein the singlechip is an industrial control computer and has the functions of instruction sending and identification, and is a common hardware communication control device which is not described herein.
The control switch JA1 and the control switch JB2 are relays, thyristors, manual contacts or a combination of the relays and the thyristors, namely, the control switch JA1 and the control switch JB2 can independently adopt the relays and independently start the thyristors, and can also be realized in a mode of singly adopting the manual contacts, for example, in a mode of combining the relays and the thyristors, and the specific realization is given below, which is not limited by the utility model;
When the control switch JA1 and the control switch JB2 are the combination of a relay and a silicon controlled rectifier, the silicon controlled rectifier is a bidirectional silicon controlled rectifier, wherein:
as shown in fig. 2, the contact thyristor circuit comprises a bidirectional thyristor 1 and a relay 2, wherein:
The circuit led out from the T1 end of the bidirectional thyristor 1 is connected with an input voltage, the circuit led out from the T2 end is connected with a load 3 in series and then is connected with an output voltage, and a relay 2 is connected on the T1 end and the T2 end of the bidirectional thyristor 1 in parallel;
the GATE end of the bidirectional thyristor 1 and the control end of the relay 2 are connected with the singlechip 4.
The bidirectional thyristor 1 and the relay 2 are complementarily arranged, namely, the bidirectional thyristor 1 is arranged to make up the defect that contact ignition and arcing are generated under the condition of large voltage drop when the relay 2 is electrified, and the relay 2 is arranged to make up the defect that the bidirectional thyristor 1 generates larger heat when working with large current for a long time.
In the present utility model, for convenience of explanation, the following description will be given of the operation of the above-described contact-less thyristor circuit from the on-off two layers:
(1) Circuit conduction
In the preset time of the conduction of the load 3, the bidirectional triode thyristor 1 is firstly conducted before the relay 2, and after the conduction, the voltage difference between two ends of the relay 2 is reduced to a first preset voltage value, wherein the first preset voltage value is 0.7V through continuous practice and experiments, and the preset time is 10ms;
The voltage drop of the triac 1 is a first preset voltage value, and at this time, the triac 1 heats up.
When the preset time is reached, the relay 2 is controlled to be conducted through the singlechip, the voltage drop of the bidirectional triode thyristor 1 is reduced to 0 from a first preset voltage value, the bidirectional triode thyristor 1 does not generate heat any more, and at the moment, the relay 2 is used as a control switch of the whole circuit.
(2) Circuit breaking
When the load 3 needs to be disconnected, the relay 2 is disconnected before the bidirectional thyristor 1 is disconnected, and when the voltage drop of the bidirectional thyristor 1 rises to a first preset voltage value, the bidirectional thyristor 1 is disconnected, and the voltage drop is reduced to 0;
Namely: when the load 3 is disconnected, the voltage drop of the bidirectional triode thyristor 1 rises to a first preset voltage value, and at the moment, the bidirectional triode thyristor 1 generates heat, but the bidirectional triode thyristor 1 is disconnected immediately, and at the moment, the heat generation of the bidirectional triode thyristor 1 is stopped.
The specific working principle of the double-phase voltage regulating circuit of the utility model is given as follows:
When a control switch JA1 in the boost circuit is closed, each coil on the boost circuit is electrified, the voltage of the control transformer 6 is improved by corresponding values, the value of the increased voltage is related to the number of turns of the coil of the isolation transformer 5, the input voltage and the number of turns of the coil of the boost winding KA1, so that the application scene and the application range of the bi-phase voltage regulating circuit are enlarged, the size range of the voltage regulating value is adjustable, and convenience is provided for users;
when the control switch JB2 in the step-down circuit is closed, each coil on the step-down circuit is electrified, the voltage of the control transformer 6 is improved by corresponding values, the values of the reduced voltages are related to the number of coil turns of the isolation transformer 5, the input voltage and the number of coil turns of the boost winding KB1, so that the application scene and the application range of the double-phase voltage regulating circuit are enlarged, the size range of the voltage regulating values is adjustable, and convenience is provided for users.
The utility model discloses a double-phase voltage regulating circuit, which comprises an isolation transformer and a control transformer, wherein the isolation transformer comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, the winding methods of the voltage output winding GB1 and the voltage output winding GB2 are opposite, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end; the control transformer comprises a primary winding KB-1, a booster winding KA1 and a step-down winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end, so that accurate step-up or step-down on the power transmission line is realized, the circuit structure is simple, the cost of a user product is reduced, and the applicability is wide.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. The double-phase voltage regulating circuit is characterized by comprising an isolation transformer and a control transformer;
The isolation transformer comprises a voltage input winding GB-1, a voltage output winding GB1 and a voltage output winding GB2, wherein the winding method of the voltage output winding GB1 is opposite to that of the voltage output winding GB2, the phases of output voltages are opposite, the voltage output winding GB1 outputs forward voltage, the voltage output winding GB2 outputs reverse voltage, and two ends of the voltage input winding GB-1 are respectively connected with an input voltage end and an output voltage end;
The control transformer comprises a primary winding KB-1, a boost winding KA1 and a buck winding KB1, wherein two ends of the primary winding KB-1 are respectively connected with an input voltage end and an output voltage end;
The voltage output winding GB1 and the buck winding KB1 form a buck circuit, and the voltage output winding GB2 and the buck winding KA1 form a boost circuit.
2. The bi-phase voltage regulating circuit according to claim 1, wherein a control switch JB2 is connected in series in the voltage reducing circuit, a control switch JA1 is connected in series in the voltage boosting circuit, and the control switch JA1 and the control switch JB2 are both connected with a single chip microcomputer which sends a switch on or off instruction.
3. The bi-phase voltage regulating circuit of claim 2, wherein the control switch JA1 and control switch JB2 are relays, thyristors, manual contacts, or a combination of relays and thyristors.
4. The bi-phase voltage regulating circuit of claim 3, wherein when said control switch JA1 and control switch JB2 are a relay in combination with a thyristor, said thyristor is a bidirectional thyristor, wherein:
The circuit led out from the T1 end of the bidirectional thyristor is connected with the input voltage, the circuit led out from the T2 end is connected with the output voltage after being connected with a load in series, and the relay is connected on the T1 end and the T2 end of the bidirectional thyristor in parallel;
And the GATE end of the bidirectional thyristor and the control end of the relay are connected with the singlechip.
5. The bi-phase voltage regulator circuit of claim 4, wherein the triac is turned on before the relay is turned on within a preset time of the load being turned on, a voltage difference across the relay being reduced to a first preset voltage value;
the voltage drop of the bidirectional thyristor is the first preset voltage value.
6. The bi-phase voltage regulating circuit of claim 5, wherein said single chip microcomputer controls said relay to conduct when said preset time is reached, and a voltage drop of said triac is reduced from said first preset voltage value to 0.
7. The bi-phase voltage regulator circuit of claim 6, wherein when the load is turned off, the relay is turned off before the triac, and the triac is turned off and the voltage drop drops to 0 at the instant the voltage drop of the triac rises to the first preset voltage value.
8. The bi-phase voltage regulator circuit of claim 6, wherein the predetermined time is 10ms.
9. The bi-phase voltage regulator circuit of claim 6, wherein the first predetermined voltage value is 0.7V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962724.5U CN220822920U (en) | 2023-07-25 | 2023-07-25 | Double-phase voltage regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962724.5U CN220822920U (en) | 2023-07-25 | 2023-07-25 | Double-phase voltage regulating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822920U true CN220822920U (en) | 2024-04-19 |
Family
ID=90698210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321962724.5U Active CN220822920U (en) | 2023-07-25 | 2023-07-25 | Double-phase voltage regulating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220822920U (en) |
-
2023
- 2023-07-25 CN CN202321962724.5U patent/CN220822920U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102047543B (en) | Non-isolated charger with bi-polar inputs | |
| CN106921206B (en) | Charging module with low standby power consumption and control method thereof | |
| CN203732907U (en) | Intelligent control switch for power line carrier | |
| CN201422077Y (en) | Power supply | |
| CN111232776A (en) | Band-type brake control device and method for slope starting of output voltage | |
| CN104952667A (en) | Intelligent electromagnetic switch control device for low voltage power supply system | |
| CN108539993A (en) | Control method, electronic transformer and the microwave cooking electric appliance of electronic transformer | |
| CN103683944A (en) | Voltage supplying system and current transformer thereof and voltage adjustment method | |
| CN220822920U (en) | Double-phase voltage regulating circuit | |
| CN201234391Y (en) | Power saving device for lighting | |
| CN110535139B (en) | Broad width pressure regulating device | |
| CN108633139B (en) | Power supply device with two paths of stable outputs and control method thereof | |
| CN103713681B (en) | The voltage compensating method of compensation voltage-regulating and voltage-stabilizing device | |
| CN103197569A (en) | Mechano-electronic integrated switch | |
| CN115021562A (en) | Drive chip, control method thereof and electronic equipment | |
| CN104377702A (en) | Reversible adjustment dynamic voltage adjuster | |
| CN203217282U (en) | Mechano-electronic integrated switch | |
| CN2160937Y (en) | Multi-stage compensated ac electric power stabilizer | |
| CN101179895B (en) | AC magnetic controlled power regulation electrical inductance ballast | |
| CN110768388A (en) | Control device and control method for output power of non-contact energy transmission system | |
| CN113972691B (en) | Control device of generator set | |
| CN219697352U (en) | Automatic intelligent dual-power distribution box of switching | |
| CN203673382U (en) | Compensated type alternating-current voltage stabilizer | |
| CN111404383B (en) | Power supply control device, air conditioner and power supply control method of air conditioner | |
| CN116799803B (en) | AC power distribution method compatible with multiple power grid system inputs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |