Fan capable of being connected in series

Abstract

The utility model belongs to the technical field of fans, and particularly relates to a fan capable of being connected in series, which comprises an outer frame, a driving assembly, fan blades, a connector male seat and a connector female seat, the driving assembly is arranged in the outer frame, and the fan blades are arranged on the driving assembly; a first groove and a second groove are formed in the two opposite sides of the outer frame respectively, the connector male seat and the connector female seat are arranged in the first groove and the second groove respectively, and the connector male seat and the connector female seat are electrically connected with the driving assembly; when a plurality of fans are connected in series, the connector male seats are connected with the connector female seats of the adjacent fans in an inserted mode, so that every two adjacent fans are connected in series. The connector male seat is electrically connected with the connector female seat and the driving assembly, and the fan blades are arranged on the driving assembly, so that a complete circuit is formed in a single fan; when an external power supply is connected, the fan is electrified to drive the blades to operate. And the connector male seat is plugged with the connector female seat of the adjacent fan to realize series connection of a plurality of fans, and the installation mode is simple and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of fans, and in particular relates to a fan that can be connected in series. Background Art

[0002] Currently, the most widely used heat dissipation device in heat generation systems is a fan, and sometimes the wind force provided by a single fan may not be enough to dissipate the large amount of heat energy generated by electronic components, so another fan is connected in series with the original fan.

[0003] For example, the Chinese patent document with publication number CN113357194B discloses a fan and a series-connected fan frame thereof, comprising a first fan frame and a second fan frame facing away from each other; a plurality of engaging columns and a plurality of positioning portions are protruded from the side of the first fan frame toward the second fan frame, and a plurality of engaging grooves that match the engaging columns one by one and a rotation groove that match the plurality of positioning portions one by one are provided on the side of the second fan frame; the engaging columns and the engaging grooves cooperate with each other to limit the relative displacement of the first fan frame and the second fan frame in the tangential direction, and the positioning portions and the rotation grooves cooperate with each other to limit the relative displacement of the first fan frame and the second fan frame in the axial direction.

[0004] In the technical solution of the above patent document, the fan is connected in series up and down by means of the cooperation between the snap-fit ​​column and the snap-fit ​​groove, and the cooperation between the positioning part and the rotating groove, thereby achieving an increase in wind force. Because a wire collecting groove is provided on one side of the fan frame opening, there is no circuit conduction between the fans connected in series up and down, and each fan is powered on and operated by an external power supply connected to the wire collecting groove. The wires will occupy a certain installation space of the fan, and the installation and disassembly require the arrangement of the wires of the external power supply, which makes the installation and disassembly method cumbersome; and when multiple fans are connected in series, multiple power supplies need to be provided, which makes the use conditions cumbersome. Utility Model Content

[0005] The utility model aims to provide a fan that can be connected in series, so as to solve the problem that the existing fans in series need to be powered on separately due to the inconvenience of disassembly and assembly, which affects the use and replacement.

[0006] To achieve the above-mentioned purpose, an embodiment of the utility model provides a fan that can be connected in series, including an outer frame, a drive assembly, fan blades, a connector male seat and a connector female seat; the drive assembly is arranged in the outer frame, and the fan blades are arranged on the drive assembly; the outer frame is provided with a first groove and a second groove on two opposite sides, the connector male seat and the connector female seat are respectively arranged in the first groove and the second groove, and the connector male seat is electrically connected to the connector female seat and the drive assembly; when multiple fans are connected in series, the connector male seat is plugged into the connector female seat of an adjacent fan, so that two adjacent fans are connected in series.

[0007] Furthermore, the first groove and the second groove are arranged closer to the right angle position of the outer frame.

[0008] Furthermore, two inner side walls of the first groove are provided with clamping grooves, and two side walls of the second groove extend with connecting arms, and ends of the connecting arms are provided with buckles for engaging with the clamping grooves.

[0009] Furthermore, it also includes a PCB board, which is arranged in the outer frame, and the drive component, the connector male socket and the connector female socket are electrically connected to the PCB board.

[0010] Furthermore, the male connector includes a first connecting plate and a plurality of power connection plugs, the first connecting plate is connected to the outer frame, and the plurality of power connection plugs are arranged in sequence on the first connecting plate; the female connector includes a second connecting plate, an insulating seat and a plurality of power connection springs; the second connecting plate is connected to the outer frame, the insulating seat is arranged on the second connecting plate, a plurality of slots are arranged on the insulating seat, and the power connection springs are arranged in the slots.

[0011] Furthermore, a protrusion extending into the slot is provided on the outer side of the power connection spring.

[0012] The above one or more technical solutions of the fans that can be connected in series provided by the embodiment of the utility model have at least the following technical effects:

[0013] Because the connector male seat is electrically connected to the connector female seat and the drive assembly, the fan blades are arranged on the drive assembly, and a complete circuit is formed inside a single fan; when the external power supply is connected, the fan is powered on to drive the fan blades to operate. The connector male seat is plugged into the connector female seat of the adjacent fan to realize the rapid series connection of multiple fans, and the installation method is simple and convenient. The connector male seat and the connector female seat are respectively arranged in the first groove and the second groove of the outer frame, so that the two adjacent fans are closely connected in series, saving installation and use space.

[0014] A detachable series fan includes a fan that can be connected in series and a wiring harness connector. A plurality of groups of the fans are connected in series, and the wiring harness connector is connected to the connector socket of one of the fans located on the end side; the wiring harness connector is used to connect a power source.

[0015] Furthermore, the wiring harness connector includes a shell, an adapter plate and a plurality of second plug-ins, the adapter plate is arranged in the shell, and the second plug-ins are arranged on the adapter plate for plugging with the connector socket; the adapter plate is also provided with a USB interface and / or a Type-C interface.

[0016] The above one or more technical solutions of the detachable series fans provided by the embodiment of the utility model have at least the following technical effects:

[0017] The harness connector is connected to the female connector of a fan located on the end side, and multiple fans are connected in series through the male connector and the female connector of the adjacent fan. When the harness connector is connected to the power supply, the fans in series can be powered on and run at the same time. When the power is turned off, the multiple fans in series are powered off and stop working. The user can separate the fans and the harness connector by separating the male connector and the female connector. The installation and disassembly steps are simple and safe, which is convenient for users to assemble the number of fans in series according to their heat dissipation needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A three-dimensional diagram of fans that can be connected in series according to an embodiment of the utility model.

[0020] Figure 2 Another stereoscopic view of fans that can be connected in series according to an embodiment of the utility model.

[0021] Figure 3 A structural diagram of a connector socket for fans that can be connected in series provided in an embodiment of the utility model.

[0022] Figure 4 A cross-sectional view of fans that can be connected in series according to an embodiment of the utility model.

[0023] Figure 5 A three-dimensional diagram of a detachable series fan provided in an embodiment of the utility model.

[0024] Figure 6 A structural diagram of a wiring harness connector for a detachable series fan provided in an embodiment of the utility model.

[0025] Figure 7 This is a diagram of the internal structure of a wiring harness connector for a detachable series fan provided in an embodiment of the utility model.

[0026] In the figure, 100, fan, 110, outer frame, 120, drive assembly, 130, fan blades, 140, connector male socket, 141, first connecting plate, 142, power connection plug, 150, connector female socket, 151, second connecting plate, 152, insulating seat, 153, power connection spring, 154, slot, 155, bump, 160, first groove, 161, slot, 170, second groove, 171, connecting arm, 172, buckle, 180, PCB board; 200, wiring harness connector, 210, housing, 220, adapter plate, 230, second plug. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0030] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0031] In one embodiment of the fans that can be connected in series according to the present invention, please refer to Figures 1 to 5 , the fan 100 that can be connected in series can realize the connection of more than two fans 100 in series, specifically, the fans 100 are connected in series according to the needs of the user. And after the fans 100 are connected in series, only one group of fans 100 needs to be connected to the input power supply and the control unit, so that multiple fans 100 can be operated at the same time, or some fans can be operated. Specifically, the fan 100 includes an outer frame 110, a drive assembly 120, a fan blade 130, a connector male seat 140 and a connector female seat 150. The drive assembly 120 is arranged in the outer frame 110, and the fan blade 130 is arranged on the drive assembly 120. The first groove 160 and the second groove 170 are respectively provided on the opposite sides of the outer frame 110, and the connector male seat 140 and the connector female seat 150 are respectively arranged in the first groove 160 and the second groove 170, and the connector male seat 140 is electrically connected to the connector female seat 150 and the drive assembly 120. When multiple fans 100 in this embodiment are connected in series, the connector male seat 140 is plugged into the connector female seat 150 of another fan, so that two adjacent fans 100 are connected in series. In this cycle, multiple fans 100 can be connected in series. Specifically, because the connector male seat 140 is electrically connected to the connector female seat 150 and the drive assembly 120, the fan blades 130 are arranged on the drive assembly 120, and a complete circuit is formed inside a single fan 100; when an external power supply is connected, the fan 100 is powered on to drive the fan blades 130 to operate. And the connector male seat 140 is plugged into the connector female seat 150 of the adjacent fan to realize the connection of multiple fans 100 in series, and the installation method is simple and convenient. And the connector male seat 140 and the connector female seat 150 are respectively arranged in the first groove 160 and the second groove 170 of the outer frame, so that the two adjacent fans 100 are tightly connected in series, saving installation and use space.

[0032] Furthermore, multiple fans 100 connected in series can be detached and replaced or repaired individually. Therefore, multiple sets of fans 100 connected in series form a complete set of detachable series fans. In order to make it more convenient to connect the fan 100 to the power supply, the connector female socket 150 of the fan 100 located at one end of the series fan body is connected to the wiring harness connector 200. By connecting the power supply through the wiring harness connector 200, multiple fans 100 connected in series can be powered on and operated at the same time.

[0033] For further information, please refer to Figure 6 and Figure 7The wiring harness connector 200 includes a housing 210, an adapter plate 220 and a plurality of second plug-ins 230. The adapter plate 220 is disposed in the housing 210, and the second plug-ins 230 are disposed on the adapter plate 220 for plugging with the connector socket 150. The adapter plate 220 is also provided with a USB interface and / or a Type-C interface. Specifically, the adapter plate 220 is also provided with a USB interface and / or a Type-C interface, and an external power supply can be connected through the USB interface or the Type-C interface. Because the second plug-in 230 is plugged into the connector socket 150, the current is transmitted to the connector socket 150 of the fan 100 through the adapter plate 220 and the second plug-in 230, thereby enabling multiple fans 100 connected in series to be powered on and operated.

[0034] For further information, please refer to Figure 1 and Figure 2 The first groove 160 and the second groove 170 are arranged at a right angle closer to the outer frame 110. When the outer dimensions of the outer frame 110 are minimized, the depths of the first groove 160 and the second groove 170 can be ensured. After the fans 100 are connected in series, adjacent fans 100 can fit each other.

[0035] For further information, please refer to Figure 1 and Figure 2 The two inner side walls of the first groove 160 are provided with a card slot 161, and the two side walls of the second groove 170 extend with a connecting arm 171, and the end of the connecting arm 171 is provided with a buckle 172 for engaging with the card slot 161. Specifically, the stability of the series connection of two adjacent fans 100 is further enhanced by the engagement connection between the card slot 161 and the buckle 172.

[0036] For further information, please refer to Figure 4 The fan 100 further includes a PCB board 180, which is disposed in the outer frame 110, and the drive assembly 120, the connector male socket 140 and the connector female socket 150 are electrically connected to the PCB board 180. Specifically, the PCB board 180 is electrically connected to the drive assembly 120 to achieve the effect of controlling the power-on operation of the fan blades 130. Through the electrical connection and cooperation between the PCB board 180 and the connector male socket 140 and the connector female socket 150, the effect of simultaneously powering on and operating multiple fans 100 after being connected in series is achieved.

[0037] For further information, please refer to Figure 1 and Figure 3The male connector 140 includes a first connecting plate 141 and a plurality of power-connecting plugs 142. The first connecting plate 141 is connected to the outer frame 110, and the plurality of power-connecting plugs 142 are arranged in sequence on the first connecting plate 141. The female connector 150 includes a second connecting plate 151, an insulating seat 152, and a plurality of power-connecting springs 153. The second connecting plate 150 is connected to the outer frame 110. The insulating seat 152 is arranged on the second connecting plate 151. The insulating seat 153 is provided with a plurality of slots 154, and the power-connecting springs 153 are arranged in the slots 154. Specifically, the power-connecting plugs 142 are inserted into the slots 154 of the insulating seat 153 and contact the power-connecting springs 153 to realize the conduction of current. The setting of the insulating seat 153 provides insulation and support, and improves the safety of circuit connection.

[0038] For further information, please refer to Figure 3 The outer side of the power connection spring piece 153 is also provided with a protrusion 154 extending into the slot 154. Specifically, the contact between the power connection spring piece 153 and the power connection plug 142 is ensured.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan that can be connected in series, characterized in that: It includes an outer frame, a driving component, fan blades, a connector male seat and a connector female seat; the driving component is arranged in the outer frame, and the fan blades are arranged on the driving component; the outer frame is provided with a first groove and a second groove on two opposite sides, the connector male seat and the connector female seat are respectively arranged in the first groove and the second groove, and the connector male seat is electrically connected to the connector female seat and the driving component; when multiple fans are connected in series, the connector male seat is plugged into the connector female seat of an adjacent fan, so that two adjacent fans are connected in series.

2. The fans connectable in series according to claim 1, characterized in that: The first groove and the second groove are arranged closer to the right angle position of the outer frame.

3. The fans connectable in series according to claim 1 or 2, characterized in that: The two inner side walls of the first groove are provided with clamping grooves, the two side walls of the second groove are extended with connecting arms, and the ends of the connecting arms are provided with buckles for clamping with the clamping grooves.

4. The fans connectable in series according to claim 1, characterized in that: It also includes a PCB board, which is arranged in the outer frame, and the driving component, the connector male seat and the connector female seat are electrically connected to the PCB board.

5. The fans connectable in series according to claim 4, characterized in that: The male connector includes a first connecting plate and a plurality of power connection plugs, wherein the first connecting plate is connected to the outer frame, and the plurality of power connection plugs are arranged in sequence on the first connecting plate; the female connector includes a second connecting plate, an insulating seat and a plurality of power connection springs; the second connecting plate is connected to the outer frame, the insulating seat is arranged on the second connecting plate, a plurality of slots are arranged on the insulating seat, and the power connection springs are arranged in the slots.

6. The fans connectable in series according to claim 5, characterized in that: The outer side of the power connection spring is also provided with a protrusion extending into the slot.

7. A detachable series fan, characterized in that: It comprises a plurality of groups of fans that can be connected in series according to any one of claims 1 to 6, and also comprises a wiring harness connector, wherein the plurality of groups of fans are connected in series, and the wiring harness connector is connected to the connector socket of one of the fans located on the end side; the wiring harness connector is used to connect a power source.

8. The detachable series fan according to claim 7, characterized in that: The wiring harness connector includes a shell, an adapter plate and a plurality of second plug-ins. The adapter plate is arranged in the shell, and the second plug-ins are arranged on the adapter plate for plugging with the connector socket. The adapter plate is also provided with a USB interface and / or a Type-C interface.

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