CN210861253U - Transmitting end electric appliance box assembly for range hood - Google Patents

Abstract

The utility model relates to a transmission end electric appliance box subassembly for range hood, this transmission end electric appliance box subassembly for range hood includes the casing, charging coil and PCB circuit board, through set up first elastic component in the casing, can guarantee under the effect of the elastic force of first elastic component, the laminating that foretell charging coil can be tight is on the medial surface of wallboard before the casing, guaranteed to be in at the transmission end electric appliance box and redistributed under the inboard state of panel, charging coil and receiving terminal are in constantly apart from nearest state, guaranteed that wireless power supply can not be disconnected.

Description

Transmitting end electric appliance box assembly for range hood

Technical Field

The utility model relates to a range hood wireless power supply equipment field especially relates to a transmission end electric appliance box subassembly for range hood.

Background

The wireless power supply is a novel power supply mode, the constraint of wires in the traditional power supply mode is eliminated, the phenomenon that the power line is damaged in long-term use to cause electric leakage is avoided, and the wireless power supply has the advantages of convenience in use, high safety and the like, and therefore the wireless power supply is gradually applied to various fields.

In the special environment because of the kitchen for many functional unit of lampblack absorber are in the design, can consider the wiring problem, if expose under the oil smoke for a long time, can cause the harm to the circuit, consequently the line of lampblack absorber and overall arrangement requirement are higher usually, in the range hood field, mutual equipment has gradually begun research and development and use, because mutual equipment need can play interactive effect very near apart from the user, consequently by the design in the panel department of lampblack absorber usually, mutual equipment's setting has provided new difficult problem to its line, promptly not only will guarantee not corroded by the oil smoke, still consider pleasing to the eye problem.

Above-mentioned wireless power supply's application just can be fine solution circuit layout problem, hide wireless device's power supply end in range hood's fuselage usually at present, and the receiving terminal is arranged in outside the fuselage, has avoided the circuit to leak outward like this, not only can not be corroded by the oil smoke, still more pleasing to the eye, but wireless power supply equipment has very big requirement to the distance of power supply, when using, in case the receiving part the bias appears or keeps away from the condition of transmitting part, will lead to charge efficiency to reduce, stop work even.

Special adjustment mechanisms are therefore required to ensure that the transmitting and receiving sections match in real time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide an emission end circuit box subassembly that is used for range hood that enables the charging coil to laminate and can not be disconnected with casing antetheca board all the time.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a transmitting end electric appliance box assembly for a range hood comprises a shell, a charging coil and a PCB circuit board, wherein the charging coil and the PCB circuit board are both arranged in the shell, and the charging coil is electrically connected with the PCB circuit board; the casing has the preceding wallboard that is used for laminating mutually with the medial surface of lampblack absorber panel, still be provided with first elastic component in the casing, this first elastic component supports and leans on the charging coil to make the charging coil have the laminating all the time and be in trend on the preceding wallboard.

In order to guarantee that the magnetic object can not influence wireless power supply, the charging coil includes the coil body and separates the magnetic sheet, it is located to separate the magnetic sheet the rear side of coil body and set up with the laminating of coil body.

In order to guarantee that the elastic piece can exert elastic acting force on the charging coil, the shell is provided with a first accommodating cavity, the PCB and the first elastic piece are both arranged in the first accommodating cavity, one end of the first elastic piece abuts against the PCB, and the other end of the elastic piece abuts against the magnetic separation sheet.

In order to ensure that the shell can be attached to the panel of the range hood, a magnetic part convenient for the shell to be attached to the panel of the range hood is further arranged in the shell, the shell is provided with a second accommodating cavity, and the magnetic part is arranged in the second accommodating cavity.

In order to ensure that the magnetic force of the magnetic part can be used to the maximum, a second elastic part is further arranged in the second containing cavity and abuts against the magnetic part, and the magnetic part always tends to be attached to the front wall plate.

In order to facilitate maintenance in the shell, the shell comprises a front shell and a rear shell which are detachably connected, the front wall plate is arranged on the front shell, and a groove and a convex part which are mutually inserted and matched are arranged at a joint surface between the front shell and the rear shell.

In order to ensure the fixing of the PCB in the shell, a buckle is arranged in the first accommodating cavity, and the PCB is limited in the first accommodating cavity through the buckle.

In order to further ensure that the PCB circuit board cannot shake, a fixing piece for limiting the movement of the PCB circuit board is further arranged in the first containing cavity, and a through hole for the fixing piece to pass through is formed in the PCB circuit board.

Compared with the prior art, the utility model has the advantages of: this a transmission end electricity box subassembly for range hood includes the casing, charging coil and PCB circuit board, through set up first elastic component in the casing, can guarantee under the effect of the elastic force of first elastic component, the laminating that foretell charging coil can be tight is on the medial surface of casing front wall board, guaranteed to be in at the transmission end electricity box under the inboard state of allotment at the panel, charging coil and receiving terminal are in the nearest state constantly, have guaranteed that wireless power supply can not be disconnected.

Drawings

Fig. 1 is a schematic view of an assembly structure of an electrical box at a transmitting end and a panel bracket of a range hood in an embodiment of the present invention;

fig. 2 is an exploded view of the whole structure of the electrical box of the transmitting terminal in the embodiment of the present invention;

fig. 3 is a cross-sectional view of the whole structure of the electrical box of the transmitting terminal in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a front housing of the transmitting terminal electrical box in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of the rear housing of the electrical box of the transmitting terminal in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 5, in this embodiment, the transmitting terminal electrical enclosure assembly for a range hood includes a housing 1, a charging coil 2 and a PCB circuit board 3, wherein the charging coil 2 and the PCB circuit board 3 are both disposed in the housing 1, and the charging coil 2 is electrically connected to the PCB circuit board 3.

The casing 1 is usually assembled on a panel of the range hood through a panel bracket of the range hood, the casing 1 comprises a front casing 12 and a rear casing 13 which are detachably connected, a front wall plate 11 is arranged on the front casing 12, a groove 14 and a convex part 15 which are mutually inserted and matched are arranged on a joint surface between the front casing 12 and the rear casing 13, and in the actual assembly process, after the groove 14 and the convex part 15 are mutually inserted and matched, the groove 14 and the convex part 15 can be melted by ultrasonic heating to form a completely sealed structure; the front shell 12 in this embodiment has a front wall plate 11, and when assembled, the front wall plate 11 of the shell 1 can be attached to the inner side surface of the panel of the range hood; it is to be noted that the attachment referred to here is achieved by means of a magnetic member 5 arranged inside the housing 1; one of the implementation manners is to install a component easy to be attracted by a magnet on the panel of the range hood, but this obviously affects the transmission effect of wireless power supply, generally speaking, because the transmitting end electrical box is usually a receiving end electrical box which acts simultaneously and is matched with each other, therefore, magnetic components which can be attracted are usually arranged in the transmitting end electrical box and the receiving end electrical box respectively, so that the charging coil 2 and the receiving coil which are used for wireless power supply are always kept at the minimum interval, and the maximization of energy exchange efficiency is ensured, specifically, in this embodiment, a magnetic component 5 which is convenient for the casing 1 to be attached to the panel of the range hood is also arranged in the casing 1, the casing 1 is provided with a second containing cavity 1b, the magnetic component 5 is arranged in the second containing cavity 1b, and in order to ensure that the magnetic component 5 can be attached to the front wall plate 11 all the time, so as to ensure the effect of magnetic attraction, a second elastic part 6 is further arranged in the second accommodating cavity 1b, the second elastic part 6 abuts against the magnetic part 5, and the magnetic part 5 always tends to be attached to the front wall plate 11.

In this embodiment, the housing 1 has a first accommodating cavity 1a, the PCB circuit board 3 and the first elastic element 4 are both disposed in the first accommodating cavity 1a, in order to ensure the fixing of the PCB circuit board, a buckle 16 is disposed in the first accommodating cavity 1a, the PCB circuit board 3 is limited in the first accommodating cavity 1a through the buckle 16, meanwhile, a fixing element 17 for limiting the movement of the PCB circuit board 3 is further disposed in the first accommodating cavity 1a, a through hole 18 for the fixing element 17 to pass through is disposed on the PCB circuit board 3, and the fixing element 17 in this embodiment is a screw.

In this embodiment, charging coil 2 includes coil body 21 and magnetism piece 22 that separates, it sets up just to laminate with coil body 21 to separate magnetism piece 22 to be located coil body 21's rear side, the existence that separates magnetism piece 22, can guarantee that magnetism spare and external magnetic force can not influence charging coil 2's normal work, wireless power supply's stability has been guaranteed, and simultaneously, still be provided with first elastic component 4 in casing 1, the one end and the 3 offsets of PCB circuit board of first elastic component 4, the other end of elastic component offsets with separating magnetism piece 22, sit under the effect of first elastic component 4 like this, foretell charging coil 2 just can have the trend of laminating in the front on wallboard 11 all the time.

Claims (8)

1. The utility model provides a transmission end circuit box subassembly for range hood which characterized in that: the charging device comprises a shell (1), a charging coil (2) and a PCB (printed circuit board) (3), wherein the charging coil (2) and the PCB (3) are both arranged in the shell (1), and the charging coil (2) is electrically connected with the PCB (3); casing (1) has preceding wallboard (11) that is used for laminating mutually with the medial surface of lampblack absorber panel, still be provided with first elastic component (4) in casing (1), this first elastic component (4) support and lean on charging coil (2) to make charging coil (2) have the laminating all the time and be in trend on preceding wallboard (11).

2. The transmitter-end power box assembly for a range hood according to claim 1, wherein: charging coil (2) include coil body (21) and magnetic shield piece (22), magnetic shield piece (22) are located the rear side of coil body (21) and set up with coil body (21) laminating.

3. The transmitter-end power box assembly for a range hood according to claim 2, wherein: the shell (1) is provided with a first accommodating cavity (1a), the PCB (printed circuit board) (3) and the first elastic piece (4) are arranged in the first accommodating cavity (1a), one end of the first elastic piece (4) is abutted to the PCB (3), and the other end of the elastic piece is abutted to the magnetism isolating sheet (22).

4. The transmitter-end power box assembly for a range hood according to claim 3, wherein: still be provided with in casing (1) and be convenient for casing (1) and lampblack absorber panel laminating magnetic part (5), casing (1) has second and holds chamber (1b), magnetic part (5) set up in this second holds chamber (1 b).

5. The transmitter terminal electrical box assembly of claim 4, wherein: and a second elastic part (6) is further arranged in the second accommodating cavity (1b), the second elastic part (6) abuts against the magnetic part (5), and the magnetic part (5) always has a tendency of being attached to the front wall plate (11).

6. The transmitter-end circuit box assembly for the range hood according to any one of claims 1 to 5, wherein: casing (1) is including dismantling procapsid (12) and back casing (13) of connection, preceding wallboard (11) just set up on procapsid (12), the faying face department between procapsid (12) and back casing (13) is provided with mutual grafting complex recess (14) and convex part (15).

7. The transmitter-end power box assembly for a range hood according to claim 3, wherein: a buckle (16) is arranged in the first accommodating cavity (1a), and the PCB (3) is limited in the first accommodating cavity (1a) through the buckle (16).

8. The transmitter terminal electrical box assembly of claim 4, wherein: the PCB packaging box is characterized in that a fixing piece (17) for limiting the movement of the PCB (3) is further arranged in the first accommodating cavity (1a), and a through hole (18) for the fixing piece (17) to pass through is formed in the PCB (3).

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