CN211313814U

CN211313814U - Electric door closer

Info

Publication number: CN211313814U
Application number: CN201922152876.9U
Authority: CN
Inventors: 汪正斌
Original assignee: Wuhan Kesmart Intelligent Control Equipment Co ltd
Current assignee: Wuhan Kesmart Intelligent Control Equipment Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-21
Anticipated expiration: 2029-12-04

Abstract

An electric door closer comprises a shell, wherein the shell is used for being fixed on a door frame or a door plate, a power circuit electrically connected with an external power supply is arranged in the shell, the power circuit is used for supplying power for the electric door closer, and the electric door closer also comprises an energy storage element and a connecting piece; the power circuit is provided with an interface arranged on the surface of the shell; the energy storage element is arranged on the connecting piece and is electrically connected with the plug; the connecting piece is provided with a plug connector which is used for being butted with the interface, so that the power circuit is electrically connected with the energy storage element.

Description

Electric door closer

Technical Field

The utility model relates to a door closer technical field, concretely relates to electric door closer.

Background

The existing electric door closer on the market mainly uses two electromagnets to drive corresponding action mechanisms to realize door opening positioning and door closing actions, and the two electromagnets are respectively a sucker type electromagnet and a push-pull type electromagnet.

When the door is opened and positioned or closed in the push-pull electromagnet mode, the door can be opened and positioned or closed only by providing an instantaneous trigger current for the electromagnet by the control circuit without supplying power to the electromagnet for a long time, and the intrinsic defect of high power consumption of the sucker type electromagnet mode is overcome. However, this method also has a problem, mainly because the resistance of the electromagnet coil is small, and the required instantaneous driving current is much larger than that of the sucker type electromagnet. Since the system power supply for powering the door closers generally needs to power a large number of door closers and the load capacity of the system power supply is limited, when the door closers are used in this manner, an energy storage element needs to be added to the circuit of each door closer to increase the instantaneous overload capacity. The energy storage element becomes a key element for driving the push-pull electromagnet, and once the capacity of the energy storage element is reduced and electric leakage or failure occurs, the door closer cannot normally act. Therefore, the door closer can frequently replace the element in long-time use, and because the existing door closer adopting the push-pull electromagnet mode directly welds the energy storage element on the circuit board, the energy storage element is difficult to replace due to failure, great inconvenience is brought to users, and the whole door closer is generally directly replaced, so that unnecessary waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a can make things convenient for quick replacement energy storage component's electric door closer.

An electric door closer comprises a shell, wherein the shell is used for being fixed on a door frame or a door plate, a power circuit electrically connected with an external power supply is arranged in the shell, the power circuit is used for supplying power for the electric door closer, and the electric door closer also comprises an energy storage element and a connecting piece;

the power circuit is provided with an interface arranged on the surface of the shell;

the connecting piece is provided with a plug connector for butting with the interface;

the energy storage element is arranged on the connecting piece and is electrically connected with the plug connector.

Further, the interface is a hot plug interface.

Furthermore, the casing is of a strip-shaped structure, and the interface is arranged on one end or two ends of the casing in the axial direction.

Furthermore, an end cover covering the energy storage element and the connecting piece is arranged at the end part of the casing and used for protecting the energy storage element and the connecting piece.

Furthermore, the energy storage device further comprises a protective shell, the energy storage element and the connecting piece are respectively arranged in the protective shell, and the plug connector on the connecting piece extends out of the protective shell from the inside of the protective shell.

Further, the protective housing is of a cuboid structure, a spherical structure or a triangular structure.

Further, the energy storage element is an electrolytic capacitor.

According to the electric door closer of the embodiment, the interface of the power circuit is arranged on the shell, so that the energy storage element can be conveniently connected to the power circuit or separated from the power circuit, when the energy storage element needs to be replaced, the whole door closer does not need to be replaced, and a non-professional person can safely and quickly replace the failed energy storage element without tools.

Drawings

Fig. 1 is a schematic structural view of an electric door closer according to an embodiment;

fig. 2 is a schematic structural view of a housing of the electric door closer according to the embodiment;

FIG. 3 is an exploded view of an end of the power door closer of one embodiment;

FIG. 4 is a schematic structural view of an end of the electric door closer of an embodiment;

fig. 5 is an electrical schematic diagram of an electric door closer according to an exemplary embodiment.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Referring to fig. 1 to 5, the present application provides an electric door closer, which includes a housing 10, a control circuit 11 and a power circuit 12 disposed inside the housing 10, a connecting member 20, an energy storage element 30, and a protective housing 40.

The housing 10 is a long strip structure, and is configured to be fixed to a door frame or a door panel, and is matched with an actuating mechanism (e.g., a rocker arm) (not shown in fig. 1) to implement a door opening and closing function of the door closer.

The control circuit 11 is used for driving the actuating mechanism to realize the door opening positioning and the door closing actions, the power circuit 12 is electrically connected with the external power supply 50 and used for supplying power to the control circuit 11, and the power circuit 12 is provided with an interface 12 a. Preferably, the interface 12a is a hot plug interface, so that plugging and unplugging are realized without powering off the door closer. For example, the interface 12a is a USB interface.

The number of the above-mentioned interfaces 12a may be one or more. As shown in fig. 2, the interface 12a may be provided at one end of the housing 10, or the interfaces 12a may be provided at both ends of the housing 10, and in addition, other positions exposed to the outside of the door closer on the surface of the housing 10 are also possible.

The connector 20 has a plug 20a for mating with the interface 12a, the energy storage element 30 is disposed on the connector 20, and the energy storage element 30 may be an electrolytic capacitor and is electrically connected to the plug 20 a. For example, as shown in fig. 3 and 5, a PCB board is used as the connector 20, two electrolytic capacitors (C1 and C2) are soldered on the PCB board, and when the connector 20a is inserted into the interface 12a of the housing 10, the electrolytic capacitors are also connected to the power circuit 12, thereby improving the ability of the power circuit 12 to be overloaded momentarily.

Because the plug 20a and the interface 12a are hot-plugged, the energy storage element 30 can be replaced without powering off the door closer, and the maintenance is safe and quick.

In order to protect the connecting member 20 and the energy storage element 30, the connecting member 20 and the energy storage element 30 may be integrated in a protective casing 40, the plug 20a of the connecting member 20 extends from the inside of the protective casing 40 to the outside of the protective casing 40, and the protective casing 40 may be a rectangular parallelepiped structure, a spherical structure or a triangular structure. For example, as shown in fig. 4, the protective case 40 is a box body, and the connection member 20 and the energy storage element 30 are enclosed in the box body.

As shown in fig. 1 and 4, in addition to the protective shell 40, when the interface 12a of the power circuit 12 is located at the end of the casing 10, the end cap 13 may be used to cover the interface 12a, and when the plug 20a is inserted into the interface 12a of the casing 10, the protective shell 40 in which the connection member 20 and the energy storage element 30 are enclosed is also located in the end cap 13.

According to the electric door closer, the energy storage element is plug and play, the electric door closer is very convenient, and a non-professional person can safely, simply and quickly replace the failed energy storage element without tools.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. An electric door closer comprises a shell, wherein the shell is used for being fixed on a door frame or a door plate, a power circuit electrically connected with an external power supply is arranged in the shell, and the power circuit is used for supplying power for the electric door closer;

2. The power door closer of claim 1, wherein the interface is a hot-swap interface.

3. The electric door closer according to claim 1, wherein the housing has an elongated configuration, and the interface is provided at one or both ends in an axial direction of the housing.

4. The electric door closer according to claim 3, wherein an end of the housing is provided with an end cap covering the energy storage element and the connecting member for protecting the energy storage element and the connecting member.

5. The electric door closer according to claim 1, further comprising a protective case, wherein the energy storage element and the connecting member are respectively disposed in the protective case, and the plug connector on the connecting member extends from the inside of the protective case to the outside of the protective case.

6. The electric door closer according to claim 5, wherein the protective case has a rectangular parallelepiped structure, a spherical structure, or a triangular structure.

7. The electric door closer of claim 1, wherein the energy storage element is an electrolytic capacitor.