CN218385673U

CN218385673U - Outdoor power supply with electromagnetic air switch for preventing short circuit

Info

Publication number: CN218385673U
Application number: CN202222348200.9U
Authority: CN
Inventors: 何新明; 庄彪
Original assignee: Dongguan City Jinhetian Industrial Co ltd
Current assignee: Dongguan City Jinhetian Industrial Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-24
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an outdoor power supply with electromagnetic air switch short circuit prevention, which comprises a shell, a battery pack arranged in the shell, a circuit protection device connected with the battery pack and an electromagnetic switch connected with the circuit protection device in series, wherein the shell is provided with a positioning groove, and the position of the positioning groove is provided with a sealing cover which is arranged in a swinging way; the electromagnetic switch is arranged on the inner wall of the positioning groove of the shell, the electromagnetic switch is provided with a control valve which is installed in a pivoting mode, the control valve extends out of the positioning groove, and when the battery pack is abnormal, the circuit of the battery pack of the control valve is cut off. According to the technical scheme, the electromagnetic air switch physical protection device module is added on the BMS basis, when an outdoor power supply is used outdoors, the outdoor power supply is subjected to over-excitation collision, limiting temperature and error use, and then a short circuit phenomenon is generated, and when a short circuit current exceeds an instantaneous tripping setting current value. The electromagnetic air switch acts to cut off the power supply. The battery is protected, the service life is prolonged, and safety accidents are reduced.

Description

Short-circuit-proof outdoor power supply with electromagnetic air switch

Technical Field

The utility model relates to an outdoor power protection field, in particular to take electromagnetic type air switch to prevent outdoor power of short circuit.

Background

The outdoor power supply is a portable power supply with a built-in lithium ion battery and can store electric energy. The outdoor power supply is widely applied to scenes such as self-driving travel, aerial photography, camping party, mobile office and the like, and plays an important role in outdoor work such as emergency rescue, medical rescue, environmental monitoring, surveying and mapping, army informatization and the like.

However, the existing outdoor power supply lacks an effective physical protection device for the power lithium battery, and the commonly used protection device is a physical dual fuse matched with the BMS system (the BMS battery management system unit comprises a BMS battery management system, a control module, a display module, a wireless communication module, an electrical device, a battery pack for supplying power to the electrical device, and an acquisition module for acquiring battery information of the battery pack). Although battery management is more intelligent when the BMS is used, abnormal power supply may not be immediately cut off, thereby causing abnormal use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take electromagnetic type air switch to prevent outdoor power supply of short circuit aims at increasing electromagnetic type air switch physics protection device module on BMS basis, uses outdoor power supply to take place the overstimulation collision, limit temperature, misuse when the open air, when producing the short circuit phenomenon then, surpasss instantaneous dropout and sets the current value when the short-circuit current. The electromagnetic air switch acts to cut off the power supply. Protecting the battery and prolonging the service life. And safety accidents are reduced.

In order to achieve the above object, the present invention provides an outdoor power supply with electromagnetic air switch for preventing short circuit, which comprises a casing, a battery pack disposed in the casing, a circuit protection device connected to the battery pack, and an electromagnetic switch connected in series with the circuit protection device, wherein the casing is provided with a positioning groove, the position of the positioning groove is provided with a sealing cover which is arranged in a swinging manner, and the sealing cover can swing between a position for shielding the positioning groove and an opened position; the electromagnetic switch is arranged on the inner wall of the positioning groove of the shell, the electromagnetic switch is provided with a control valve which is installed in a pivoting mode, the control valve extends out of the positioning groove, and when the battery pack is abnormal, the circuit of the battery pack of the control valve is cut off.

Specifically, the positioning groove is concavely arranged on the wall surface of the shell, and the positioning groove and the shell are integrally formed.

Specifically, the casing includes first side cap and second side cap, first side cap and second side cap enclose, the side groove and the top groove of left and right sides, side groove and top groove are equipped with the dress trim respectively.

Specifically, the inner wall position of constant head tank is equipped with the screw hole, electromagnetic switch is equipped with the screw via hole with screw hole matched with.

Specifically, the positioning groove is provided with a through groove, and the through groove is used for the switch valve to extend out.

Specifically, the control valve is an air protection switch.

Specifically, the edge of constant head tank is equipped with the ladder groove, sealed lid card behind the ladder groove with the outer wall parallel and level of casing.

Specifically, the decorative cover is provided with ribs arranged at intervals.

The utility model discloses technical scheme increases electromagnetic type air switch physics protection device module on BMS basis, uses outdoor power source to take place the overstrike collision, limit temperature, misuse when the open air, when producing the short-circuit phenomenon then, surpasss instantaneous dropout when the short-circuit current and sets the current value. The electromagnetic air switch acts to cut off the power supply. The battery is protected, the service life is prolonged, and safety accidents are reduced; meanwhile, the relative tightness of the electromagnetic switch can be guaranteed through the sealing cover, the outdoor carrying stability is improved, meanwhile, the electromagnetic switch is arranged in the positioning groove, the outdoor power supply is convenient to assemble and produce, and the production cost is effectively reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a first perspective view of the hidden part of the present invention;

FIG. 3 is a second perspective view of the hidden part of the present invention;

FIG. 4 is a third schematic perspective view of the utility model after the part is hidden;

fig. 5 is a perspective view of the hidden part of the present invention.

In the figure, 1 is a casing, 11 is a first side cover, 12 is a second side cover, 13 is a decorative cover, 2 is a battery pack, 3 is a sealing cover, 4 is an electromagnetic switch, 41 is a control valve, 5 is a screw hole, 6 is a positioning groove, 61 is a through groove, and 62 is a stepped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial \8230 \ 8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first" or "second" etc. in the embodiments of the present invention, the description of "first" or "second" etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, an outdoor power supply with an electromagnetic air switch for preventing short circuit comprises a casing 1, a battery pack 2 arranged in the casing 1, a circuit protection device connected with the battery pack 2, and an electromagnetic switch 4 connected in series with the circuit protection device, wherein the casing 1 is provided with a positioning groove 6, a sealing cover 3 arranged in a swinging manner is arranged at the position of the positioning groove 6, and the sealing cover 3 can swing between a position for shielding the positioning groove 6 and an opening position; the electromagnetic switch 4 is arranged on the inner wall of the positioning groove 6 of the shell 1, the electromagnetic switch 4 is provided with a control valve 41 which is installed in a pivoting mode, the control valve 41 extends out of the positioning groove 6, and when the battery pack 2 is abnormal, the circuit of the battery pack 2 is cut off by the control valve 41.

According to the technical scheme, the electromagnetic air switch physical protection device module is added on the BMS basis, when an outdoor power supply is used outdoors, the outdoor power supply is subjected to over-excitation collision, limiting temperature and error use, and then a short circuit phenomenon is generated, and when a short circuit current exceeds an instantaneous tripping setting current value. The electromagnetic air switch acts to cut off the power supply. The battery is protected, the service life is prolonged, and safety accidents are reduced; meanwhile, the relative tightness of the electromagnetic switch 4 can be guaranteed through the sealing cover 3, the outdoor carrying stability is improved, meanwhile, the electromagnetic switch 4 is arranged in the positioning groove 6, the outdoor power supply is convenient to assemble and produce, and the production cost is effectively reduced.

In the embodiment of the present invention, the positioning groove 6 is concavely formed on the wall surface of the casing 1, and the positioning groove 6 and the casing 1 are integrally formed. Through constant head tank 6 and casing 1 integrated into one piece to make constant head tank 6 play the effect of strengthening rib, also make outdoor power supply's casing 1 more firm simultaneously.

Specifically, the housing 1 includes a first side cover 11 and a second side cover 12, the first side cover 11 and the second side cover 12 enclose a side groove and a top groove on the left and right sides, and the side groove and the top groove are respectively provided with a decorative cover 13. Through the reasonable arrangement of the shell 1, the production and the processing of the outdoor power supply are facilitated.

More specifically, the inner wall position of constant head tank 6 is equipped with screw hole 5, electromagnetic switch 4 is equipped with the screw via hole with screw hole 5 matched with to the installation and the fixed of electromagnetic switch 4 have been made things convenient for.

Further, the positioning groove 6 is provided with a through groove 61, and the through groove 61 is used for extending the switch valve.

Further, the control valve is an air protection switch.

Specifically, the edge of the positioning groove 6 is provided with a stepped groove 62, and the sealing cover 3 is clamped behind the stepped groove 62 and is flush with the outer wall of the housing 1.

More specifically, the trim cover 13 is provided with ribs arranged at intervals.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims

1. An outdoor power supply with an electromagnetic air switch for preventing short circuit is characterized by comprising a shell, a battery pack arranged in the shell, a circuit protection device connected with the battery pack and an electromagnetic switch connected with the circuit protection device in series, wherein the shell is provided with a positioning groove, the positioning groove is provided with a sealing cover in swinging arrangement, and the sealing cover can swing between a position for shielding the positioning groove and an opening position; the electromagnetic switch is arranged on the inner wall of the positioning groove of the shell, the electromagnetic switch is provided with a control valve which is installed in a pivoting mode, the control valve extends out of the positioning groove, and when the battery pack is abnormal, the circuit of the battery pack of the control valve is cut off.

2. The outdoor power supply with electromagnetic air switch short circuit protection of claim 1, wherein: the positioning groove is arranged on the wall surface of the shell, and the positioning groove and the shell are integrally formed.

3. An outdoor power supply with electromagnetic air switch short circuit protection as claimed in claim 1, wherein: the casing includes first side cap and second side cap, first side cap and second side cap enclose, the side groove and the top groove of the left and right sides, side groove and top groove are equipped with respectively and decorate the lid.

4. The outdoor power supply with electromagnetic air switch short circuit protection of claim 1, wherein: the inner wall position of constant head tank is equipped with the screw hole, electromagnetic switch is equipped with the screw via hole with screw hole matched with.

5. The outdoor power supply with electromagnetic air switch short circuit protection of claim 1, wherein: the constant head tank is equipped with logical groove, it stretches out to lead to the groove confession oor.

6. The outdoor power supply with electromagnetic air switch short circuit protection of claim 1, wherein: the control valve is an air protection switch.

7. An outdoor power supply with electromagnetic air switch short circuit protection as claimed in claim 1, wherein: the edge of constant head tank is equipped with the ladder groove, sealed lid card is behind the ladder groove with the outer wall parallel and level of casing.

8. The outdoor power supply with electromagnetic air switch short circuit protection of claim 3, wherein: the decorative cover is provided with convex lines arranged at intervals.