CN217956780U - Dual-power conversion system with overload protection function - Google Patents
Dual-power conversion system with overload protection function Download PDFInfo
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- CN217956780U CN217956780U CN202222308463.7U CN202222308463U CN217956780U CN 217956780 U CN217956780 U CN 217956780U CN 202222308463 U CN202222308463 U CN 202222308463U CN 217956780 U CN217956780 U CN 217956780U
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Abstract
The utility model belongs to the technical field of power supply system, concretely relates to take dual power conversion system of overload protection function, this dual power conversion system includes: the system comprises a control panel, a main loop, a mains supply control loop, a generator set control loop, a mains supply switching module and a generator set switching module; the control panel controls the commercial power control loop to be conducted with the main loop through the commercial power switching module and controls the generating set control loop to be disconnected with the main loop through the generating set switching module, so that commercial power supplies power to the main loop; the control panel controls the commercial power control loop to be disconnected with the main loop through the commercial power switching module and controls the generator set control loop to be conducted with the main loop through the generator set switching module so that the generator set supplies power to the main loop; the utility model discloses a set up commercial power and switch over module, generating set and switch over the module as change over switch to all be equipped with corresponding thermal protection relay, can cut off commercial power control circuit or generating set control circuit when transshipping, form effectual protection.
Description
Technical Field
The utility model belongs to the technical field of the power supply system, concretely relates to take dual power supply switching system of overload protection function.
Background
At present, a power supply system, especially an important power supply place, is provided with a full-automatic dual-power transfer switch so that one power supply can be quickly switched to the other power supply when the other power supply is powered off to ensure that an important load is not powered off.
However, the existing market is assembled by using a disconnecting switch, and when the load is overloaded, the change-over switch cannot play a protection function and must rely on an additional breaker device to implement protection action.
Therefore, it is desirable to develop a new dual power switching system with overload protection function to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take dual supply switching system of overload protection function to solve and how not rely on other circuit breaker equipment and cut off the problem in commercial power control circuit or generating set control circuit when transshipping.
In order to solve the technical problem, the utility model provides a take overload protection function's dual power supply conversion system, it includes: the system comprises a control panel, a main loop, a mains supply control loop, a generator set control loop, a mains supply switching module and a generator set switching module; the commercial power control loop and the generator set control loop are electrically connected with the main loop; the commercial power switching module and the generator set switching module are electrically connected with the control panel; the mains supply control loop is connected with mains supply, and the mains supply switching module is arranged in the mains supply control loop to control the on-off of the mains supply control loop and the main loop; the generator set control loop is connected with a generator set, and the generator set switching module is arranged in the generator set control loop to control the on-off of the generator set control loop and the main loop; the control panel controls the commercial power control loop to be conducted with the main loop through the commercial power switching module and controls the generator set control loop to be disconnected with the main loop through the generator set switching module, so that commercial power supplies power to the main loop; and the control panel controls the commercial power control loop to be disconnected with the main loop through the commercial power switching module and controls the generator set control loop to be conducted with the main loop through the generator set switching module, so that the generator set supplies power to the main loop.
Further, the utility power switching module includes: a commercial power switching contactor; the commercial power switching contactor is arranged in the commercial power control loop and is electrically connected with the control panel; the control panel is suitable for controlling the commercial power switching contactor to be electrified and connected with the commercial power control loop so as to enable the commercial power control loop to be conducted with the main loop.
Further, the genset switch module includes: a generator set switching contactor; the generator set switching contactor is arranged in a generator set control loop and is electrically connected with the control board; the control panel is suitable for controlling the generating set switching contactor to be electrified to be connected with a generating set control loop, so that the generating set control loop is conducted with the main loop.
Further, the utility power switching module further comprises: commercial electric heat protective relay; the mains supply thermal protection relay is arranged between the mains supply switching contactor and the control board; the commercial electric heating protection relay is suitable for controlling the commercial electric switching contactor to be powered off so as to disconnect the commercial electric control loop.
Further, the generator set switching module further comprises: a generator set thermal protection relay; the generator set thermal protection relay is arranged between the generator set switching contactor and the control board; the generator set thermal protection relay is suitable for controlling a generator set switching contactor to be powered off so as to disconnect the generator set control loop.
Further, the control panel is electrically connected with the mains supply control loop to collect corresponding control signals.
Further, a mains supply fuse is arranged in the mains supply control loop.
Further, a generator set fuse is arranged in the generator set control loop.
The beneficial effects of the utility model are that, the utility model discloses a set up commercial power and switch over module, generating set and switch over the module as change over switch to all be equipped with corresponding thermal protection relay, can cut off commercial power control circuit or generating set control circuit when transshipping, form effectual protection.
Additional features and advantages of the invention 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 invention.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a circuit diagram of a dual power supply switching system with overload protection function according to the present invention;
fig. 2 is a schematic block diagram of a dual power supply switching system with overload protection function according to the present invention;
fig. 3 is a block diagram of the dual power supply conversion system with overload protection function according to the present invention.
In the figure:
8K1, a mains supply switching contactor; 8K2, switching a contactor of the generator set; FR1, commercial power thermal protection relay; FR2, a generator set thermal protection relay; FU1 and a mains supply fuse; FU2, generating set fuse.
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 described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
In this embodiment, as shown in fig. 1 and fig. 3, the present embodiment provides a dual power supply conversion system with an overload protection function, which includes: the system comprises a control panel, a main loop, a mains supply control loop, a generator set control loop, a mains supply switching module and a generator set switching module; the commercial power control loop and the generator set control loop are electrically connected with the main loop; the commercial power switching module and the generator set switching module are electrically connected with the control panel; the mains supply control loop is connected with mains supply, and the mains supply switching module is arranged in the mains supply control loop to control the on-off of the mains supply control loop and the main loop; the generator set control loop is connected with a generator set, and the generator set switching module is arranged in the generator set control loop to control the on-off of the generator set control loop and the main loop; the control panel controls the commercial power control loop to be conducted with the main loop through the commercial power switching module and controls the generator set control loop to be disconnected with the main loop through the generator set switching module, so that commercial power supplies power to the main loop; and the control panel controls the commercial power control loop to be disconnected with the main loop through the commercial power switching module and controls the generator set control loop to be conducted with the main loop through the generator set switching module, so that the generator set supplies power to the main loop.
In this embodiment, this embodiment is through setting up commercial power switching module, generating set switching module as change over switch to all be equipped with corresponding thermal protection relay, can cut off commercial power control circuit or generating set control circuit when transshipping, form effectual protection.
In this embodiment, the utility power switching module includes: a commercial power switching contactor 8K1; the mains supply switching contactor 8K1 is arranged in the mains supply control loop, and the mains supply switching contactor 8K1 is electrically connected with the control board; the control board is suitable for controlling the commercial power switching contactor 8K1 to be electrified and connected with the commercial power control loop, so that the commercial power control loop is conducted with the main loop.
In this embodiment, usually, the commercial power is supplied, the external signal is sent to the MCB terminal of the control board, and the control board controls the commercial power switching contactor 8K1 to be powered on, so that the commercial power control loop is connected, and then the commercial power control loop is connected with the main loop, and the commercial power supplies power to the load through the commercial power control loop and the main loop.
In this embodiment, the generator set switching module includes: a generator set switching contactor 8K2; the generator set switching contactor 8K2 is arranged in a generator set control loop, and the generator set switching contactor 8K2 is electrically connected with the control board; the control panel is suitable for control generating set switching contactor 8K2 to get electric switch-on generating set control circuit, so that generating set control circuit switches on with the major loop.
In this embodiment, when the commercial power breaks down, external signal switches to the GCB side from the MCB side on the control panel, and commercial power switching contactor 8K1 cuts off this moment, so that the commercial power control circuit is disconnected, that is, the commercial power control circuit is disconnected with the main circuit, and generator set switching contactor 8K2 is powered on at the same time, so that generator set control circuit is switched on, and then generator set control circuit is switched on with the main circuit, and the generator set supplies power to the load through generator set control circuit, main circuit.
In this embodiment, the utility power switching module further includes: a mains supply thermal protection relay FR1; the mains supply thermal protection relay FR1 is arranged between the mains supply switching contactor 8K1 and the control board; the mains supply thermal protection relay FR1 is adapted to control the mains supply switching contactor 8K1 to be powered off to disconnect the mains supply control loop.
In this embodiment, when the utility power control circuit is overloaded, the utility power thermal protection relay FR1 between the wire number 804 and the MCB terminal on the control board is converted from the original normally closed signal to the normally open signal, so that the coil of the utility power switching contactor 8K1 is powered off, thereby disconnecting the utility power control circuit and the main circuit, and playing a role in protection.
In this embodiment, the generator set switching module further includes: a generator set thermal protection relay FR2; the generator set thermal protection relay FR2 is arranged between the generator set switching contactor 8K2 and the control board; the generator set thermal protection relay FR2 is suitable for controlling the generator set switching contactor 8K2 to be powered off so as to disconnect the generator set control loop.
In this embodiment, when the generator set control circuit is overloaded, the generator set thermal protection relay FR2 between the line number 803 and the GCB terminal on the control board is converted from the original normally closed signal to the normally open signal, so that the coil of the generator set switching contactor 8K2 is powered off, the generator set control circuit and the main circuit are disconnected, and the protection effect can be achieved.
In this embodiment, the control board is electrically connected to the mains control loop to collect corresponding control signals.
In this embodiment, the control panel passes through the signal line and inserts commercial power control circuit, conveniently judges the commercial power supply condition.
In this embodiment, the utility power fuse FU1 is disposed in the utility power control circuit to improve the overload protection effect.
In this embodiment, a generator set fuse FU2 is arranged in the generator set control loop to improve the overload protection effect.
To sum up, the utility model discloses a set up commercial power and switch over module, generating set and switch over the module as change over switch to all be equipped with corresponding thermal protection relay, can cut off commercial power control circuit or generating set control circuit when transshipping, form effectual protection.
The components (components without specific structures) selected for use in the present application are all common standard components or components known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods. 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 being fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood as a specific case by 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 coupling or direct coupling or communication connection between each other may be through some communication interfaces, indirect coupling or communication connection between devices or units, 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 position, or may be distributed on multiple 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, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a take dual power supply switching system of overload protection function which characterized in that includes:
the system comprises a control panel, a main loop, a mains supply control loop, a generator set control loop, a mains supply switching module and a generator set switching module; wherein
The commercial power control loop and the generator set control loop are electrically connected with the main loop;
the commercial power switching module and the generator set switching module are electrically connected with the control panel;
the mains supply control loop is connected with mains supply, and the mains supply switching module is arranged in the mains supply control loop to control the on-off of the mains supply control loop and the main loop;
the generator set control loop is connected with a generator set, and the generator set switching module is arranged in the generator set control loop to control the on-off of the generator set control loop and the main loop;
the control panel controls the commercial power control loop to be conducted with the main loop through the commercial power switching module and controls the generating set control loop to be disconnected with the main loop through the generating set switching module, so that commercial power supplies power to the main loop; and
the control panel controls the commercial power control loop to be disconnected with the main loop through the commercial power switching module and controls the generator set control loop to be conducted with the main loop through the generator set switching module, so that the generator set supplies power to the main loop;
the utility power switching module comprises: a mains supply switching contactor;
the commercial power switching contactor is arranged in the commercial power control loop and is electrically connected with the control panel;
the control panel is suitable for controlling the commercial power switching contactor to be electrified and connected with the commercial power control loop so as to conduct the commercial power control loop with the main loop;
the generating set switching module includes: a generator set switching contactor;
the generator set switching contactor is arranged in a generator set control loop and is electrically connected with the control board;
the control board is suitable for controlling the generator set switching contactor to be electrified and connected with a generator set control loop so as to enable the generator set control loop to be conducted with the main loop;
the utility power switching module further comprises: commercial electric heating protective relay;
the mains supply thermal protection relay is arranged between the mains supply switching contactor and the control panel;
the commercial electric heating protection relay is suitable for controlling the commercial electric switching contactor to be powered off so as to disconnect the commercial electric control loop.
2. The dual power supply switching system with overload protection function according to claim 1,
the generator set switching module further comprises: a generator set thermal protection relay;
the generator set thermal protection relay is arranged between the generator set switching contactor and the control board;
the generator set thermal protection relay is suitable for controlling a generator set switching contactor to be powered off so as to disconnect the generator set control loop.
3. The dual power supply switching system with overload protection function according to claim 1,
the control panel is electrically connected with the mains supply control loop to collect corresponding control signals.
4. The dual power supply switching system with overload protection function according to claim 1,
and a mains supply fuse is arranged in the mains supply control loop.
5. The dual power transfer system with overload protection function of claim 1,
and a generator set fuse is arranged in the generator set control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308463.7U CN217956780U (en) | 2022-08-31 | 2022-08-31 | Dual-power conversion system with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308463.7U CN217956780U (en) | 2022-08-31 | 2022-08-31 | Dual-power conversion system with overload protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217956780U true CN217956780U (en) | 2022-12-02 |
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ID=84211779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222308463.7U Active CN217956780U (en) | 2022-08-31 | 2022-08-31 | Dual-power conversion system with overload protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217956780U (en) |
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2022
- 2022-08-31 CN CN202222308463.7U patent/CN217956780U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ya Xiya Inventor before: Ya Xiya Inventor before: Ou Zibeili |
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| CB03 | Change of inventor or designer information |