CN219123980U - Automatic switching system for self-generating electricity and national network electricity - Google Patents
Automatic switching system for self-generating electricity and national network electricity Download PDFInfo
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- CN219123980U CN219123980U CN202223400403.4U CN202223400403U CN219123980U CN 219123980 U CN219123980 U CN 219123980U CN 202223400403 U CN202223400403 U CN 202223400403U CN 219123980 U CN219123980 U CN 219123980U
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Abstract
The utility model discloses a self-generating and national network electricity automatic switching system, which comprises a generator and a storage battery connected with the generator and used for starting the generator, wherein the storage battery is used for being connected with a dual power switch of a power supply system, one input end of the dual power switch is connected with a national network electricity power supply, and the other input end of the dual power switch is connected with the output end of the generator; the input end of the time control charging circuit is connected in parallel with the output end of the dual power switch, and the output end of the time control charging circuit is connected with the storage battery. The utility model realizes the automatic switching between the national network electricity and the self-power generation, effectively avoids the complicated operation and unsafe factors during the switching, and has the beneficial effects of convenient operation and safety guarantee.
Description
Technical Field
The present utility model relates to a circuit switching system, and more particularly, to a system for automatically switching between self-power generation and national network power.
Background
In daily life, the phenomenon of power failure occurs in the national network electricity, and in order not to influence normal life and production, many units and individuals are equipped with generators to perform self-power generation, so as to supply power for a power supply system.
In the prior art, as in the utility model patent-CN 110474363A-an off-grid energy storage power station with a grid connection function and capable of directly connecting grid and a working mode thereof, the off-grid energy storage power station can be switched between a national grid and an energy storage power supply through a double-switching power switch under automatic control or manual control of a system, but in daily life, the switching between the power supply and the self-power generation of the China grid is realized by manually carrying out line connection conversion by workers, the operation process is very troublesome, the workers with abundant experience are required to finish the operation smoothly, and the mode of manually carrying out line connection conversion is very unsafe, and equipment is burnt out due to incorrect line connection or switch closure, so that unsafe factors exist in life and production.
Therefore, how to realize automatic switching between the national grid electricity and the self-power generation is a problem to be solved by the person skilled in the art.
Disclosure of Invention
It is an object of the present utility model to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided an automatic switching system of self-generating electricity and national grid electricity, comprising a generator, and a battery connected to the generator for starting the generator;
the double-power switch is used for being connected with a power supply system, one input end of the double-power switch is connected with a national network power supply, and the other input end of the double-power switch is connected with the output end of the generator;
the input end of the time control charging circuit is connected in parallel with the output end of the dual power switch, and the output end of the time control charging circuit is connected with the storage battery.
Preferably, the time-controlled charging circuit includes:
the charger is connected in parallel with the output end of the dual-power switch, and the output end of the charger is connected with the storage battery;
and the time control switch is connected in series on a connecting circuit between the charger and the dual-power switch.
Preferably, the power generator further comprises a relay, wherein the control end of the relay is connected with the control end of the time control switch in parallel, and the signal end of the relay is connected with the output end of the power generator in parallel.
Preferably, a first fuse is further connected in series on the live wire between the time control switch and the dual power switch.
Preferably, a second fuse is further connected in series with the live wire between the relay and the generator.
Preferably, the dual power switch is further provided with a plurality of auxiliary contacts, and a plurality of indicator lamps for respectively indicating the self-power generation and the state of power supply of the national network power are connected to the auxiliary contacts.
The utility model at least comprises the following beneficial effects:
firstly, the utility model realizes the automatic switching between the national network electricity and the self-power generation, effectively avoids the complicated operation and unsafe factors during the switching, and has the beneficial effects of convenient operation and safety guarantee.
In the utility model, when the power-off generator is started, the output end of the generator supplies a control signal to the relay, so that the control end of the relay is switched on, two ports of the control end of the time control switch are communicated in a short circuit mode, the charger is directly communicated with the output end of the dual-power switch, the charger is not controlled by the control of the time control switch any more to charge the storage battery, and therefore the loss of the storage battery can be timely supplemented after the generator is started, the electric quantity of the storage battery is guaranteed to be sufficient, and the method has the advantage of guaranteeing the stability of the system.
Thirdly, in the utility model, the time control switch is set to be switched on for at least 4 hours every week, so that the battery is charged for at least 4 hours every week, the sufficient electric quantity of the battery can be ensured to be started at any time, and the battery is effectively prevented from being damaged due to power shortage.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of a circuit connection according to the present utility model.
Fig. 2 is a schematic diagram of a dual power switch connection according to the present utility model.
Fig. 3 is a schematic diagram of a time-controlled charging circuit according to the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Fig. 1 shows an implementation of the utility model comprising a generator and a battery 3 connected to the generator for starting the generator 4;
the double-power switch 1 is used for being connected with a power supply system, one input end of the double-power switch 1 is connected with a national network power supply, and the other input end of the double-power switch 1 is connected with the output end of the generator 4;
the input end of the time control charging circuit is connected in parallel with the output end of the dual power switch 1, and the output end of the time control charging circuit is connected with the storage battery 3.
Working principle: the output end of the generator 4 and the national network power supply are respectively connected with two input ends of the dual power switch 1, and then the output end of the dual power switch 1 is connected into a power supply system, so that the switching of the national network power and the self-generation of the generator 4 is controlled through the dual power switch 1, the generator 4 is closed when the national network power is supplied, the dual power switch 1 is switched into the national network power to supply power to the power supply system, and the battery 3 is charged in a timing manner through a time-controlled charging circuit, so that the battery 3 can be started at any time when the electric quantity of the battery 3 is sufficient; when the national network is powered off, the generator 4 is started, and the double-power switch 1 is switched to the generator 4 to supply power to the power supply system so as to ensure normal life and production; in the technical scheme, automatic switching between the national network electricity and the generator 4 for self-power generation is realized, complicated operation and unsafe factors during switching are effectively avoided, and the automatic switching device has the beneficial effects of convenience in operation and safety guarantee.
In the above scheme, the time-controlled charging circuit includes:
the charger 2 is connected in parallel with the output end of the dual-power switch 1, and the output end of the charger 2 is connected with the storage battery 3;
a time control switch SJ connected in series to a connection line between the charger 2 and the dual power switch 1.
Working principle: through time switch SJ, carry out timing control to the intercommunication of charger 2 and dual supply switch 1 output, when time switch SJ breaks the floodgate, the connection disconnection between charger 2 and the dual supply switch 1, then storage battery 3 is in uncharged state, time switch SJ is in the time switch-on of settlement time, the intercommunication between charger 2 and dual supply switch 1 charges storage battery 3 in time switch SJ closing time period, with the electric quantity of guarantee storage battery 3 sufficient, adopt this kind of mode to have the assurance system stability, prevent the adverse place of storage battery 3 damage.
In the above scheme, the power generator further comprises a relay J, wherein the control end of the relay J is connected with the control end of the time control switch SJ in parallel, and the signal end of the relay J is connected with the output end of the power generator 4 in parallel.
Working principle: when the state network electricity power generator 4 is started, the output end of the generator 4 supplies a control signal to the relay J, so that the control end of the relay J is switched on, two ports of the control end of the time control switch SJ are in short circuit communication, the charger 2 is directly communicated with the output end of the dual-power switch 1, the charger 2 is not controlled by the control of the time control switch SJ any more to charge the storage battery 3, and the loss of the storage battery 3 can be timely supplemented after the generator 4 is started, so that the electric quantity of the storage battery 3 is guaranteed to be sufficient, and the advantages of guaranteeing the stability of a system are achieved.
In the above scheme, the first fuse U1 is further connected in series to the live wire between the time control switch SJ and the dual power switch 1. When the line between the time control switch SJ and the dual-power switch 1 breaks down, the time control switch SJ and the dual-power switch 1 are disconnected in time through the first fuse U1, so that safety accidents are avoided, and the safety protection device has the advantage of guaranteeing safety.
In the above scheme, a second fuse U2 is further connected in series with the live wire between the relay J and the generator 4. When the line between the relay J and the generator 4 breaks down, the relay J and the generator 4 are disconnected in time through the second fuse U2, so that safety accidents are avoided, and the safety is guaranteed.
In the above scheme, the dual power switch 1 is further provided with a plurality of auxiliary contacts, and a plurality of indicator lamps for respectively indicating the self-power generation and the state of power supply of the domestic network power supply of the generator 4 are connected to a plurality of auxiliary contacts. Through the multiple indicator lamps that set up, audio-visual feedback generator 4 is from the power supply state of electricity generation and state net electricity, and the staff of being convenient for checks, has the advantage of guaranteeing system stability, be convenient for observe.
In the above scheme, the time-controlled switch SJ is set to be closed for at least 4 hours per week. The time control switch SJ is set to be switched on for at least 4 hours every week, so that the storage battery 3 is charged for at least 4 hours every week, the generator 4 with sufficient electric quantity of the storage battery 3 is guaranteed to be started at any time, and the storage battery 3 is effectively prevented from being damaged due to power shortage.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. The utility model provides a from electricity generation and automatic switching system of national network electricity, includes the generator, and with the storage battery that the generator is connected and is used for starting the generator, its characterized in that:
the double-power switch is used for being connected with a power supply system, one input end of the double-power switch is connected with a national network power supply, and the other input end of the double-power switch is connected with the output end of the generator;
the input end of the time control charging circuit is connected in parallel with the output end of the dual power switch, and the output end of the time control charging circuit is connected with the storage battery.
2. The automatic switching system of self-generating electricity and national grid electricity according to claim 1, wherein the time-controlled charging circuit comprises:
the charger is connected in parallel with the output end of the dual-power switch, and the output end of the charger is connected with the storage battery;
and the time control switch is connected in series on a connecting circuit between the charger and the dual-power switch.
3. The automatic switching system for self-generating and national network electricity according to claim 2, further comprising a relay, wherein a control end of the relay is connected in parallel with a control end of the time control switch, and a signal end of the relay is connected in parallel with an output end of the generator.
4. The automatic switching system of self-generating and national network electricity according to claim 2, wherein a first fuse is further connected in series on the live wire between the time control switch and the dual power switch.
5. The automatic switching system of self-generating and national network electricity according to claim 3, wherein a second fuse is further connected in series on a live wire between the relay and the generator.
6. The automatic switching system of self-generating and national network electricity according to claim 1, wherein a plurality of auxiliary contacts are further arranged on the dual power switch, and a plurality of indicator lamps for respectively indicating the self-generating and national network electricity supply states are connected to a plurality of auxiliary contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400403.4U CN219123980U (en) | 2022-12-19 | 2022-12-19 | Automatic switching system for self-generating electricity and national network electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223400403.4U CN219123980U (en) | 2022-12-19 | 2022-12-19 | Automatic switching system for self-generating electricity and national network electricity |
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| Publication Number | Publication Date |
|---|---|
| CN219123980U true CN219123980U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223400403.4U Active CN219123980U (en) | 2022-12-19 | 2022-12-19 | Automatic switching system for self-generating electricity and national network electricity |
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| Country | Link |
|---|---|
| CN (1) | CN219123980U (en) |
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- 2022-12-19 CN CN202223400403.4U patent/CN219123980U/en active Active
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