CN217741560U

CN217741560U - Alternating current-direct current power supply switcher

Info

Publication number: CN217741560U
Application number: CN202221188881.0U
Authority: CN
Inventors: 罗华波; 卢乐兵; 王秀宝; 谢详勇
Original assignee: Chengdu Zero Technology Co ltd
Current assignee: Chengdu Zero Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-04
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses an alternating current-direct current power supply switch, comprising an upper cover, base and bottom plate, set up the relay installation storehouse on the upper cover, set up the electrical connection chamber in upper cover and bottom plate, set up the relay in relay installation storehouse, set up the first interface groove of several on the upper cover, set up a direct current input interface, a direct current switch interface, an AD-DC switching power supply interface and the several direct current output interface in first interface inslot, set up the direct current switch who stands on the direct current switch interface, and set up the AD-DC switching power supply on AD-DC switching power supply interface. By the proposal, the utility model has the advantages of simple structure, power supply are reliable, have very high practical value and spreading value in the AC/DC power supply technology field.

Description

Alternating current-direct current power supply switcher

Technical Field

The utility model belongs to the technical field of the AC/DC power supply technique and specifically relates to an AC/DC power supply switch.

Background

When the instrument equipment is used externally, under certain conditions, the situation that whether external power supply is alternating current or direct current cannot be determined exists, so that a power adapter or an inverter needs to be additionally matched during installation or debugging, the working difficulty is increased, and the working cost is increased.

Therefore, there is an urgent need to provide an ac/dc power supply switcher with simple structure and reliable power supply, in which the device can be selectively switched in ac or dc to work, and when both ac and dc are switched in, only ac power supply can be selected to be used, so as to ensure continuous operation of the whole set of device.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide an alternating current-direct current power supply switch, the utility model discloses a technical scheme as follows:

an alternating current-direct current power supply switcher comprises an upper cover, a base and a bottom plate, a relay installation bin arranged on the upper cover, an electrical connection cavity arranged in the upper cover and the bottom plate, a relay arranged in the relay installation bin, a plurality of first interface slots arranged on the upper cover, a direct current input interface, a direct current switch interface, an AD-DC switch power supply interface and a plurality of direct current output interfaces which are arranged in the first interface slots, a direct current switch arranged on the direct current switch interface, and an AD-DC switch power supply arranged on the AD-DC switch power supply interface;

the AD-DC switching power supply interface is connected with the relay; the direct current input interface is connected with the relay; and the direct current switch interface is connected with the output of the relay, the output of the AD-DC switch power supply interface and the direct current output interface.

Furthermore, a second interface slot is arranged on the bottom plate and in the electric connection cavity; the bottoms of the direct current input interface, the direct current switch interface, the AD-DC switch power supply interface and the direct current output interface are arranged in the second interface slot.

Furthermore, a first copper plate groove, a second copper plate groove, a third copper plate groove, a fourth copper plate groove and a fifth copper plate groove are formed in the bottom plate and are arranged in the electrical connection cavity; a first copper plate is arranged in the first copper plate groove; a second copper plate is arranged in the second copper plate groove; a third copper plate is arranged in the third copper plate groove; a fourth copper plate is arranged in the fourth copper plate groove; a fifth copper plate is arranged in the fifth copper plate groove; the first copper plate is connected with the direct current input interface and the relay; the second copper plate is connected with an AD-DC switching power supply interface and a relay; the third copper plate is connected with the direct current input interface, the AD-DC switch power supply interface, the direct current switch interface and the direct current output interface; the fourth copper plate is connected with the relay and the direct current switch interface; and the fifth copper plate is connected with the direct current switch interface and the direct current output interface.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model is skillfully arranged on the relay, and the AD-DC switching power supply and the DC switch are arranged in a plug-in manner to form AC/DC power supply, the AC/DC power supply can be switched randomly to perform normal power supply, the AC/DC switching device is simpler and has lower input cost; in addition, the plug-in connection is adopted in the embodiment, so that the replacement and maintenance are more convenient; to sum up, the utility model has the advantages of simple structure, power supply are reliable, have very high practical value and spreading value in the AC/DC power supply technical field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.

Fig. 1 is a view showing the outline of the present invention.

Fig. 2 is a schematic diagram of the blasting of the present invention.

Fig. 3 is a schematic diagram of the electrical connection of the present invention.

Fig. 4 is a schematic circuit diagram of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1. an upper cover; 2. a relay; 3. a first copper plate; 4. a second copper plate; 5. a third copper plate; 6. a fourth copper plate; 7. a fifth copper plate; 8. a base; 9. a base plate; 10. a DC input interface; 11. a DC switch interface; 12. a DC output interface; 13. an AD-DC switching power supply interface; 101. a relay installation bin; 102. a first interface slot; 901. a second interface slot; 902. a first copper plate groove; 903. a second copper plate groove; 904. a third copper plate groove; 905. a fourth copper plate groove; 906. and a fifth copper plate groove.

Detailed Description

To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Examples

As shown in fig. 1 to 4, this embodiment provides an ac/dc power supply switcher, in which a device can selectively access ac power or dc power to operate, and when both ac power and dc power are accessed, only ac power can be selectively used, so as to ensure continuous operation of the whole device. In addition, the terms of the numbers such as "first" and "second" in the present embodiment are used only for distinguishing the same kind of components, and the scope of protection is not specifically limited. In the present embodiment, the directional terms such as "inside" and "top" are explained based on the drawings.

In this embodiment, the ac/DC power supply switcher includes an upper cover 1, a base 8 and a bottom plate 9, a relay installation bin 101 disposed on the upper cover 1, an electrical connection cavity disposed in the upper cover 1 and the bottom plate 9, a relay 2 disposed in the relay installation bin 101, a plurality of first interface slots 102 disposed on the upper cover 1, a DC input interface 10, a DC switch interface 11, an AD-DC switching power supply interface 13 and a plurality of DC output interfaces 12 disposed in the first interface slots 102, a DC switch disposed on the DC switch interface 11, and an AD-DC switching power supply disposed on the AD-DC switching power supply interface 13. A second interface slot 901 is arranged on the bottom plate 9 and in the electrical connection cavity in this embodiment, and the bottoms of the DC input interface 10, the DC switch interface 11, the AD-DC switching power supply interface 13, and the DC output interface 12 are arranged in the second interface slot 901.

In this embodiment, a first copper plate slot 902, a second copper plate slot 903, a third copper plate slot 904, a fourth copper plate slot 905, and a fifth copper plate slot 906 are disposed on the bottom plate 9 and in the electrical connection cavity, and a first copper plate 3, a second copper plate 4, a third copper plate 5, a fourth copper plate 6, and a fifth copper plate 7 are disposed in one-to-one correspondence with the first copper plate slot 902, the second copper plate slot 903, the third copper plate slot 904, the fourth copper plate slot 905, and the fifth copper plate slot 906. The first copper plate 3 of the embodiment is connected with the direct current input interface 10 and the relay 2; the second copper plate 4 is connected with the AD-DC switch power supply interface 13 and the relay 2; the third copper plate 5 is connected with a direct current input interface 10, an AD-DC switch power supply interface 13, a direct current switch interface 11 and a direct current output interface 12; the fourth copper plate 6 is connected with the relay 2 and the direct current switch interface 11; and the fifth copper plate 7 is connected with a direct current switch interface 11 and a direct current output interface 12.

In the embodiment, when alternating current power supply is switched on, alternating current is converted into alternating current and direct current through an AD-DC switching power supply, so that an electromagnetic valve coil of the relay is electrified, a main contact is attracted to be switched on a B end of the relay, and the direct current switch is controlled to be closed to supply power; when the external direct current is used for supplying power, the electromagnetic valve of the relay is in a power-off state, the main contact is communicated with the end A, and the direct current is used for supplying power. The embodiment utilizes the solenoid valve coil control of the relay to select direct current power supply or alternating current power supply.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not a limitation to the protection scope of the present invention, but all adopt the design principle of the present invention, and the changes made by performing non-creative work on this basis, all should belong to the protection scope of the present invention.

Claims

1. An alternating current-direct current power supply switcher is characterized by comprising an upper cover (1), a base (8) and a bottom plate (9), a relay installation bin (101) arranged on the upper cover (1), an electrical connection cavity arranged in the upper cover (1) and the bottom plate (9), a relay (2) arranged in the relay installation bin (101), a plurality of first interface grooves (102) formed in the upper cover (1), a direct current input interface (10), a direct current switch interface (11), an AD-DC switch power supply interface (13) and a plurality of direct current output interfaces (12) arranged in the first interface grooves (102), a direct current switch arranged on the direct current switch interface (11) and an AD-DC switch power supply arranged on the AD-DC switch power supply interface (13);

the AD-DC switching power supply interface (13) is connected with the relay (2); the direct current input interface (10) is connected with the relay (2); the direct current switch interface (11) is connected with the output of the relay (2), the output of the AD-DC switch power supply interface (13) and the direct current output interface (12).

2. The ac-dc power supply switch according to claim 1, wherein a second interface slot (901) is disposed on the bottom plate (9) and disposed in the electrical connection cavity; the bottoms of the direct current input interface (10), the direct current switch interface (11), the AD-DC switch power supply interface (13) and the direct current output interface (12) are arranged in the second interface groove (901).

3. The ac-dc power supply switch according to claim 1 or 2, wherein a first copper plate slot (902), a second copper plate slot (903), a third copper plate slot (904), a fourth copper plate slot (905) and a fifth copper plate slot (906) are arranged on the base plate (9) and disposed in the electrical connection cavity; a first copper plate (3) is arranged in the first copper plate groove (902); a second copper plate (4) is arranged in the second copper plate groove (903); a third copper plate (5) is arranged in the third copper plate groove (904); a fourth copper plate (6) is arranged in the fourth copper plate groove (905); a fifth copper plate (7) is arranged in the fifth copper plate groove (906); the first copper plate (3) is connected with the direct current input interface (10) and the relay (2); the second copper plate (4) is connected with the AD-DC switching power supply interface (13) and the relay (2); the third copper plate (5) is connected with a direct current input interface (10), an AD-DC switch power supply interface (13), a direct current switch interface (11) and a direct current output interface (12); the fourth copper plate (6) is connected with the relay (2) and the direct-current switch interface (11); and the fifth copper plate (7) is connected with the direct-current switch interface (11) and the direct-current output interface (12).