CN216751578U - Control device of double-frequency double-pressure full-automatic switching unit - Google Patents
Control device of double-frequency double-pressure full-automatic switching unit Download PDFInfo
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- CN216751578U CN216751578U CN202220209253.XU CN202220209253U CN216751578U CN 216751578 U CN216751578 U CN 216751578U CN 202220209253 U CN202220209253 U CN 202220209253U CN 216751578 U CN216751578 U CN 216751578U
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Abstract
The utility model belongs to the technical field of generating sets, and particularly relates to a control device of a double-frequency double-voltage full-automatic switching unit, which comprises: the device comprises a speed regulator, a frequency switching circuit, a voltage regulator, a voltage switching circuit, a change-over switch and an intermediate relay; when the change-over switch is in an open circuit state, the intermediate relay is in a power loss state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator and the voltage regulator to output a first frequency signal and a first voltage signal; when the change-over switch is in a closed state, the intermediate relay is in a power-on state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator and the voltage regulator to output a second frequency signal and a second voltage signal; the frequency and voltage of the unit are switched by one key of the change-over switch, and the control over the speed regulator and the voltage regulator is realized by the frequency switching circuit and the voltage switching circuit, so that the process is simple and convenient, and the performance is stable and reliable, and the condition that the same unit is suitable for different working condition places is met.
Description
Technical Field
The utility model belongs to the technical field of generator sets, and particularly relates to a control device of a double-frequency double-voltage full-automatic switching unit.
Background
In the current market, particularly in foreign markets, frequencies and voltages are different in different countries or regions.
If the leasing enterprises generally need to configure various units with different frequencies and voltages to meet the requirements, the cost is high, and meanwhile, the resource waste is caused.
Therefore, it is necessary to develop a new control device for a dual-frequency dual-voltage fully automatic switching unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a control device of a double-frequency double-voltage full-automatic switching unit, which aims to solve the problem of how to realize the output frequency and voltage of a one-key switching unit.
In order to solve the above technical problem, the present invention provides a control device for a dual-frequency dual-voltage fully automatic switching unit, comprising: the device comprises a speed regulator, a frequency switching circuit, a voltage regulator, a voltage switching circuit, a change-over switch and an intermediate relay; the speed regulator is connected with the frequency switching circuit, and the voltage regulator is connected with the voltage switching circuit; the transfer switch is suitable for being connected with a control end of an intermediate relay, corresponding contacts of the intermediate relay are respectively connected with a frequency switching circuit and a voltage switching circuit, namely when the transfer switch is in an open circuit state, the intermediate relay is in a power-off state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a first frequency signal and the voltage regulator to output a first voltage signal according to the states of the corresponding contacts; and when the change-over switch is in a closed state, the intermediate relay is in an electrified state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a second frequency signal and the voltage regulator to output a second voltage signal according to the states of the corresponding contacts.
Further, when the intermediate relay is in a power-off state, namely a first normally open contact of the intermediate relay connected into the frequency switching circuit keeps a normally open state, so that the speed regulator outputs a first frequency signal; when the intermediate relay is in an electrified state, the first normally open contact of the intermediate relay connected into the frequency switching circuit is switched to a normally closed state, so that the speed regulator outputs a second frequency signal.
Further, a first adjustable resistor is arranged in the frequency switching circuit to adjust the output rotating speed of the speed regulator.
Further, the first frequency signal is a 50HZ signal.
Further, the second frequency signal is a 60HZ signal.
Further, the voltage switching circuit includes: a frequency input sub-circuit and a voltage input sub-circuit; when the intermediate relay is in a power-off state, namely a second normally open contact of the intermediate relay connected into the frequency input sub-circuit is kept in a normally open state so as to send a first frequency signal to the voltage regulator, and a third normally open contact of the intermediate relay connected into the voltage input sub-circuit is kept in a normally open state and a fourth normally closed contact of the intermediate relay connected into the voltage input sub-circuit is kept in a normally closed state so as to send a first voltage signal to the voltage regulator; when the intermediate relay is in an electrified state, namely a second normally open contact of the intermediate relay connected into the frequency input sub-circuit is converted into a normally closed state so as to send a second frequency signal to the voltage regulator, a third normally open contact of the intermediate relay connected into the voltage input sub-circuit is converted into a normally closed state, and a fourth normally closed contact of the intermediate relay connected into the voltage input sub-circuit is converted into a normally open state so as to send a second voltage signal to the voltage regulator.
Further, a second adjustable resistor is arranged in the voltage input sub-circuit to adjust the output voltage of the voltage regulator.
Further, the first voltage signal is a 400V voltage signal.
Further, the second voltage signal is a 480V voltage signal.
Further, the control device of the double-frequency double-pressure full-automatic switching unit further comprises: a machine set controller; a fifth normally closed contact and a sixth normally open contact of the intermediate relay are respectively connected with the unit controller; when the intermediate relay is in a power-off state, the fifth normally closed contact connected with the unit controller is kept in a normally closed state, and the sixth normally open contact is kept in a normally open state, and a first frequency signal and a first voltage signal are sent to the unit controller, so that the unit controller controls a corresponding protection circuit to work; when the intermediate relay is in an electrified state, the fifth normally closed contact connected with the unit controller is converted into a normally open state, and the sixth normally open contact is converted into a normally closed state, and a second frequency signal and a second voltage signal are sent to the unit controller, so that the unit controller controls the corresponding protection circuit to work.
The utility model has the advantages that the frequency and the voltage of the unit are switched by one key of the change-over switch, the control over the speed regulator and the voltage regulator is realized by the frequency switching circuit and the voltage switching circuit, the process is simple and convenient, the performance is stable and reliable, and the requirement that the same unit is suitable for different working condition places is met.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic block diagram of a control device of a dual-frequency dual-voltage fully-automatic switching unit of the present invention;
FIG. 2 is a circuit diagram of the governor of the present invention;
fig. 3 is a circuit diagram of the voltage regulator of the present invention;
fig. 4 is a circuit diagram of the cell controller of the present invention.
In the figure:
change-over switch SA1, intermediate relay 3R1, first adjustable resistance R2, second adjustable resistance R3.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In this embodiment, as shown in fig. 1 to fig. 4, the present embodiment provides a control device for a dual-frequency dual-voltage fully automatic switching unit, which includes: the speed regulator, the frequency switching circuit, the voltage regulator, the voltage switching circuit, the change-over switch SA1 and the intermediate relay 3R 1; the speed regulator is connected with the frequency switching circuit, and the voltage regulator is connected with the voltage switching circuit; the change-over switch SA1 is adapted to connect with the control terminal of the intermediate relay 3R1, the corresponding contacts of the intermediate relay 3R1 are respectively connected to the frequency switching circuit and the voltage switching circuit, that is, when the change-over switch SA1 is in an open circuit state, the intermediate relay 3R1 is in a power-off state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a first frequency signal and the voltage regulator to output a first voltage signal according to the states of the corresponding contacts; and when the change-over switch SA1 is in a closed state, the intermediate relay 3R1 is in an electrified state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a second frequency signal and the voltage regulator to output a second voltage signal according to the states of corresponding contacts.
In this embodiment, the frequency and the voltage of the unit are switched by one key of the change-over switch SA1, and the control of the speed regulator and the voltage regulator is realized by the frequency switching circuit and the voltage switching circuit, so that the process is simple and convenient, and the performance is stable and reliable, and the requirement that the same unit is suitable for different working conditions is met.
In this embodiment, when the intermediate relay 3R1 is in a power-off state, that is, the first normally open contact of the intermediate relay 3R1 connected to the frequency switching circuit is kept in a normally open state, so that the speed regulator outputs a first frequency signal; when the intermediate relay 3R1 is in an energized state, that is, the first normally open contact of the intermediate relay 3R1 connected to the frequency switching circuit is switched to a normally closed state, so that the governor outputs a second frequency signal.
In this embodiment, a first adjustable resistor R2 is provided in the frequency switching circuit to adjust the output speed of the speed regulator.
In this embodiment, the first frequency signal is a 50HZ signal.
In this embodiment, the second frequency signal is a 60HZ signal.
In this embodiment, if the operating condition is 50HZ 400V, no operation is required, at this time, the switch SA1 is in an open circuit state, the coil of the intermediate relay 3R1 is not energized, all the contacts are not actuated, that is, the loops 101 and 103 in fig. 2 are in an open circuit state, and the governor outputs a default 50HZ signal; if the working condition requirement of 60HZ 480V is met, the intermediate relay 3R1 needs to be operated through the change-over switch SA1, at this time, the corresponding contact of the intermediate relay 3R1 is changed from original normally open to normally closed, or from normally closed to normally open, that is, 101 and 103 in fig. 2 form a loop, the rotating speed of the speed governor can be increased from original 1500 revolutions to 1800 revolutions through the preset resistance value of the first adjustable resistor R2, and thus the frequency output of the 60HZ signal is realized.
In this embodiment, the voltage switching circuit includes: a frequency input sub-circuit and a voltage input sub-circuit; when the intermediate relay 3R1 is in a power-off state, that is, the second normally open contact of the intermediate relay 3R1 connected to the frequency input sub-circuit is kept in a normally open state, so as to send a first frequency signal to the voltage regulator, and the third normally open contact of the intermediate relay 3R1 connected to the voltage input sub-circuit is kept in a normally open state, and the fourth normally closed contact is kept in a normally closed state, so as to send a first voltage signal to the voltage regulator; when the intermediate relay 3R1 is in an energized state, that is, the second normally open contact of the intermediate relay 3R1 connected to the frequency input sub-circuit is switched to a normally closed state, so as to send a second frequency signal to the voltage regulator, and the third normally open contact of the intermediate relay 3R1 connected to the voltage input sub-circuit is switched to a normally closed state, and the fourth normally closed contact is switched to a normally open state, so as to send a second voltage signal to the voltage regulator.
In this embodiment, a second adjustable resistor R3 is disposed in the voltage input sub-circuit to adjust the voltage output from the voltage regulator.
In this embodiment, the first voltage signal is a 400V voltage signal.
In this embodiment, the second voltage signal is a 480V voltage signal.
In this embodiment, if the operating condition is a requirement of 50HZ 400V, no operation is required, at this time, the transfer switch SA1 is in an open circuit state, the coil of the intermediate relay 3R1 is not energized, the contacts are not actuated, 111 and 112 in fig. 3 form a loop, and 113, 114 and 115 form a loop, and the voltage regulator outputs a 400V voltage signal through a preset resistance value of the second adjustable resistor R3; if the working condition requirement of 60Hz 480V is met, the intermediate relay 3R1 needs to be operated through the transfer switch SA1, at the moment, the corresponding contact of the intermediate relay 3R1 is changed from original normally open to normally closed, or from normally closed to normally open, the circuits 111 and 112 in the figure 3 are disconnected, the circuits 111 and 110 form a 60Hz circuit, the circuits 114 and 115 are disconnected, and the circuits 113 and 115 are connected, so that the voltage regulator automatically outputs a 480V voltage signal.
In this embodiment, the control device of the dual-frequency dual-voltage fully automatic switching unit further includes: a machine set controller; a fifth normally closed contact and a sixth normally open contact of the intermediate relay 3R1 are respectively connected with the unit controller; when the intermediate relay 3R1 is in a power-off state, that is, the fifth normally closed contact connected to the cell controller is kept in a normally closed state, and the sixth normally open contact is kept in a normally open state, and a first frequency signal and a first voltage signal are sent to the cell controller, so that the cell controller controls the corresponding protection circuit to work; when the intermediate relay 3R1 is in an energized state, the fifth normally closed contact connected to the cell set controller is switched to a normally open state, and the sixth normally open contact is switched to a normally closed state, and a second frequency signal and a second voltage signal are sent to the cell set controller, so that the cell set controller controls the corresponding protection circuit to operate.
In the embodiment, the unit controller is preset with two configurations, when the change-over switch SA1 is in an open circuit state, the unit controller 65 in fig. 4 inputs a signal, and the configuration of the unit is 50HZ 400V; when the switch SA1 is in a closed state, the unit controller 66 in fig. 4 inputs a signal and 65 turns off the signal, and the unit is configured to be 60HZ 480V, so that it is not necessary to manually adjust the frequency and voltage protection values during switching between frequency and voltage, thereby saving time and avoiding setting errors.
In conclusion, the frequency and the voltage of the unit are switched by one key of the change-over switch, and the control over the speed regulator and the voltage regulator is realized by the frequency switching circuit and the voltage switching circuit, so that the process is simple and convenient, and the performance is stable and reliable, and the condition that the same unit is suitable for different working condition places is met; the frequency and the voltage required can be conveniently and quickly switched, and meanwhile, the maximum advantage is that various protection values can be safely, stably and quickly automatically switched.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation. Moreover, the software programs referred to in the present application are all prior art, and the present application does not relate to any improvement of the software programs.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a controlling means of full automatic transfer unit of two pressures of dual-frenquency which characterized in that includes:
the device comprises a speed regulator, a frequency switching circuit, a voltage regulator, a voltage switching circuit, a change-over switch and an intermediate relay; wherein
The speed regulator is connected with the frequency switching circuit, and the voltage regulator is connected with the voltage switching circuit;
the change-over switch is suitable for being connected with the control end of the intermediate relay, and corresponding contacts of the intermediate relay are respectively connected with the frequency switching circuit and the voltage switching circuit, namely
When the change-over switch is in an open circuit state, the intermediate relay is in a power-off state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a first frequency signal and the voltage regulator to output a first voltage signal according to the states of corresponding contacts; and
when the change-over switch is in a closed state, the intermediate relay is in an electrified state, and the frequency switching circuit and the voltage switching circuit respectively control the speed regulator to output a second frequency signal and the voltage regulator to output a second voltage signal according to the states of the corresponding contacts.
2. The control device of the dual-frequency dual-voltage full-automatic switching unit according to claim 1,
when the intermediate relay is in a power-off state, i.e. when the intermediate relay is in a power-off state
A first normally open contact of an intermediate relay connected into the frequency switching circuit keeps a normally open state so that the speed regulator outputs a first frequency signal;
when the intermediate relay is in the energized state, i.e. the intermediate relay is in the energized state
And a first normally open contact of an intermediate relay connected into the frequency switching circuit is switched to be in a normally closed state, so that the speed regulator outputs a second frequency signal.
3. The control device of the dual-frequency dual-pressure fully automatic switching unit according to claim 2,
and a first adjustable resistor is arranged in the frequency switching circuit to adjust the output rotating speed of the speed regulator.
4. The control device of the dual-frequency dual-pressure fully automatic switching unit according to claim 2,
the first frequency signal is a 50HZ signal.
5. The control device of the dual-frequency dual-voltage fully automatic switching unit according to claim 2,
the second frequency signal is a 60HZ signal.
6. The control device of the dual-frequency dual-pressure fully automatic switching unit according to claim 1,
the voltage switching circuit includes: a frequency input sub-circuit and a voltage input sub-circuit;
when the intermediate relay is in a power-off state, i.e. when the intermediate relay is in a power-off state
A second normally open contact of an intermediate relay in the frequency input sub-circuit is connected to be kept in a normally open state so as to send a first frequency signal to the voltage regulator, and a third normally open contact of the intermediate relay in the voltage input sub-circuit is connected to be kept in a normally open state and a fourth normally closed contact of the intermediate relay in the voltage input sub-circuit is connected to be kept in a normally closed state so as to send a first voltage signal to the voltage regulator;
when the intermediate relay is in the energized state, i.e. the intermediate relay is in the energized state
And a second normally open contact of the intermediate relay connected into the frequency input sub-circuit is converted into a normally closed state so as to send a second frequency signal to the voltage regulator, a third normally open contact of the intermediate relay connected into the voltage input sub-circuit is converted into a normally closed state, and a fourth normally closed contact of the intermediate relay connected into the voltage input sub-circuit is converted into a normally open state so as to send a second voltage signal to the voltage regulator.
7. The control device of the dual-frequency dual-voltage full-automatic switching unit according to claim 6,
and a second adjustable resistor is arranged in the voltage input sub-circuit to adjust the output voltage of the voltage regulator.
8. The control device of the dual-frequency dual-voltage full-automatic switching unit according to claim 6,
the first voltage signal is a 400V voltage signal.
9. The control device of the dual-frequency dual-voltage full-automatic switching unit according to claim 6,
the second voltage signal is a 480V voltage signal.
10. The control device of the dual-frequency dual-pressure fully automatic switching unit according to claim 1, further comprising:
a machine set controller;
a fifth normally closed contact and a sixth normally open contact of the intermediate relay are respectively connected with the unit controller;
when the intermediate relay is in a power-off state, i.e.
A fifth normally closed contact connected with the unit controller keeps a normally closed state, a sixth normally open contact keeps a normally open state, and a first frequency signal and a first voltage signal are sent to the unit controller, so that the unit controller controls a corresponding protection circuit to work;
when the intermediate relay is in the energized state, i.e. the intermediate relay is in the energized state
And a fifth normally closed contact connected with the unit controller is converted into a normally open state, a sixth normally open contact is converted into a normally closed state, and a second frequency signal and a second voltage signal are sent to the unit controller, so that the unit controller controls the corresponding protection circuit to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209253.XU CN216751578U (en) | 2022-01-26 | 2022-01-26 | Control device of double-frequency double-pressure full-automatic switching unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209253.XU CN216751578U (en) | 2022-01-26 | 2022-01-26 | Control device of double-frequency double-pressure full-automatic switching unit |
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| Publication Number | Publication Date |
|---|---|
| CN216751578U true CN216751578U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220209253.XU Active CN216751578U (en) | 2022-01-26 | 2022-01-26 | Control device of double-frequency double-pressure full-automatic switching unit |
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|---|---|
| CN (1) | CN216751578U (en) |
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2022
- 2022-01-26 CN CN202220209253.XU patent/CN216751578U/en active Active
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Inventor after: Ya Xiya Inventor before: Ya Xiya Inventor before: Ou Zibeili |