Air purifier and its negative ion module

Abstract

The present invention relates to an air purifier and a negative ion module thereof. A negative ion module of an air purifier comprises: a support, comprising a bracket and a first limiting member, the peripheral side of the bracket is provided with a first accommodating groove and a limiting groove which are connected to each other, and the first limiting member is convexly arranged on the inner wall of the first accommodating groove; a transformer, comprising a fixing part and lugs extending from the fixing part to both sides, the lugs are inserted into the limiting grooves, the fixing part is accommodated in the first accommodating groove and is fixed by the first limiting member; a generator, fixed to the top side of the bracket; an adapter, fixed to the peripheral side of the bracket; wherein the adapter is electrically connected to an external power supply, the transformer is electrically connected to the adapter and is used for boosting current, and the generator is ionized to generate negative ions under the drive of the transformer. An air purifier comprises the above-mentioned negative ion module. The above-mentioned air purifier and its negative ion module have high assembly efficiency and compact structure.

Description

Technical Field

[0001] The present invention relates to the technical field of air purification, and in particular to an air purifier and a negative ion module thereof. Background Art

[0002] At present, air pollution caused by various decoration materials, haze and industrial waste is becoming more and more serious, which not only affects people's quality of life and air quality, but also seriously affects people's health. Air purifiers are favored by people because they can absorb, decompose or transform various air pollutants (such as formaldehyde, bacteria and PM2.5) to improve air cleanliness.

[0003] By installing fans, negative ion modules and other components in the air purifier, the air can be purified and dust removed. The current air purifiers have complex structures and cumbersome assembly steps, which results in a long time for module disassembly and assembly and occupies a large space, which cannot meet the needs of users. Summary of the invention

[0004] Based on this, it is necessary to provide an air purifier and a negative ion module thereof to address the problem that the disassembly and assembly of the negative ion module takes a long time and occupies a large space.

[0005] A negative ion module for an air purifier, comprising:

[0006] The support comprises a bracket and a first limiting member, wherein a first accommodating groove and a limiting groove which are in communication are provided on the peripheral side of the bracket, and the first limiting member is convexly arranged on the inner wall of the first accommodating groove;

[0007] The transformer comprises a fixing portion and lugs extending from the fixing portion to both sides, wherein the lugs are inserted into the limiting grooves, and the fixing portion is accommodated in the first accommodating groove and is limited and fixed by the first limiting member;

[0008] a generator, fixed to the top side of the support;

[0009] An adapter, fixed to the peripheral side of the bracket;

[0010] The adapter is electrically connected to an external power source, the transformer is electrically connected to the adapter and is used to boost current, and the generator is driven by the transformer to ionize and generate negative ions.

[0011] When assembling the negative ion module, different parts of the transformer can be fixed by the limiting groove and the first limiting member, without the need for additional tooling, fasteners and other assembly auxiliary parts, simplifying the disassembly and assembly steps, and improving the assembly efficiency; the transformer and the adapter are both arranged on the peripheral side of the bracket, and the generator is arranged on the top side of the bracket, which can improve the space utilization of the bracket, reduce the space occupied by the bracket, and have a compact structure. An air purifier includes the negative ion module.

[0012] In one embodiment, the adapter and the transformer are spaced apart and stacked.

[0013] In one embodiment, a second accommodating groove adjacent to the first accommodating groove is provided on the peripheral side of the bracket, and the support further includes a second limiting member, and the adapter is fixed in the second accommodating groove by the second limiting member.

[0014] In one embodiment, the first limiting member includes a first supporting rib, a first limiting rib and a first buckle, the first supporting rib abuts against the side of the transformer, the first limiting rib is limited to the bottom surface of the transformer, and the first buckle is clamped on the top surface of the transformer.

[0015] In one embodiment, the second limiting member includes a second supporting rib, a second limiting rib and a second buckle, the second supporting rib, the second limiting rib and the second buckle are protruded on the inner wall of the second accommodating groove, the second supporting rib abuts against the bottom surface of the adapter, the second limiting rib is limited to the top surface of the adapter, and the second buckle is clamped on the side surface of the adapter.

[0016] In one embodiment, a reinforcing plate is provided on the peripheral side of the bracket, and the second limiting rib and the first limiting rib are respectively connected to two opposite sides of the reinforcing plate.

[0017] In one embodiment, the bracket is provided with a third accommodating groove, and the support further includes a third limiting member, and the generator is accommodated in the third accommodating groove and is fixed by the third limiting member.

[0018] In one embodiment, the third limiting member includes a third limiting rib and a third buckle, the third limiting rib is limited to the side surface of the generator, and the third buckle is clamped on the top surface of the generator.

[0019] In one embodiment, the generator has a positioning hole, and a positioning column is protruding from the bottom wall of the third accommodating groove, and the positioning column passes through the positioning hole.

[0020] In one of the embodiments, the support further includes a shell, and the shell is detachably connected to the bracket.

[0021] In one embodiment, it includes:

[0022] The bracket is provided with a first clamping portion, the shell is provided with a second clamping portion, and the first clamping portion and the second clamping portion are capable of buckling; and

[0023] The bracket is provided with a protrusion, and the shell is provided with a slot, and the protrusion is held in the slot.

[0024] An air purifier comprises the negative ion module mentioned above.

[0025] The negative ion module of the above-mentioned air purifier has high assembly efficiency and compact structure, which can improve space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of a negative ion module of an air purifier in one embodiment;

[0027] Figure 2 for Figure 1 An axonometric view of the negative ion module shown;

[0028] Figure 3 for Figure 2 A top view of the negative ion module shown;

[0029] Figure 4 for Figure 2 A top view of the middle bracket of the negative ion module shown;

[0030] Figure 5 for Figure 1 A first cross-sectional view of the negative ion module shown;

[0031] Figure 6 for Figure 1 A second cross-sectional view of the negative ion module is shown.

[0032] Reference numerals:

[0033] 100, support;

[0034] 110, bracket; 110a, first holding portion; 110b, convex block; 111, first receiving groove; 112, limiting groove; 113, second receiving groove; 114, reinforcing plate; 115, third receiving groove; 116, positioning column;

[0035] 120, first limiting member; 121, first supporting rib; 122, first limiting rib; 123, first buckle;

[0036] 130, second limiting member; 131, second supporting rib; 132, second limiting rib; 133, second buckle;

[0037] 140, third limiting member; 141, third limiting rib; 142, third buckle;

[0038] 150, housing; 151, second holding portion; 152, card slot;

[0039] 200, transformer; 210, fixing portion; 220, lug;

[0040] 300, generator; 310, positioning hole; 400, adapter. DETAILED DESCRIPTION

[0041] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0042] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0043] 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 at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0044] In the present invention, unless otherwise clearly defined and limited, the terms "initial", "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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0046] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0047] At present, air pollution caused by various decoration materials, haze and industrial waste is becoming more and more serious, which not only affects people's quality of life and air quality, but also seriously affects people's health. Air purifiers are favored by people because they can absorb, decompose or transform various air pollutants (such as formaldehyde, bacteria and PM2.5) to improve air cleanliness.

[0048] Air purifiers are equipped with fans, negative ion modules and other components to purify the air and remove dust. In current air purifiers, the structure of the negative ion module is complex and the assembly steps are complicated, which results in a long time for module disassembly and assembly and occupies a large space, and cannot meet the needs of users.

[0049] Based on the above considerations, the inventors have conducted in-depth research and designed a negative ion module in an air purifier, which has simple assembly operation, can improve the assembly efficiency of the negative ion module, reduce the disassembly and assembly time and save costs.

[0050] Please refer to Figure 1The negative ion module of the air purifier in one embodiment includes a support 100, a transformer 200, a generator 300 and an adapter 400. The support 100 includes a bracket 110 and a first limiting member 120. The peripheral side of the bracket 110 is provided with a first accommodating groove 111 and a limiting groove 112 that are connected to each other. The first limiting member 120 is protruded from the inner wall of the first accommodating groove 111. The transformer 200 includes a fixing portion 210 and a lug 220 extending from the fixing portion 210 to both sides. The lug 220 is inserted into the limiting groove 112. The fixing portion 210 is accommodated in the first accommodating groove 111 and is fixed by the first limiting member 120. The generator 300 is fixed to the top side of the bracket 110, and the adapter 400 is fixed to the peripheral side of the bracket 110.

[0051] The adapter 400 is electrically connected to an external power source, the transformer 200 is electrically connected to the adapter 400 and is used to boost current, and the generator 300 is ionized to generate negative ions under the drive of the transformer 200 .

[0052] Through the above arrangement, during assembly, different parts of the transformer 200 can be fixed by the limiting groove 112 and the first limiting member 120 respectively, without the need for additional tooling, fasteners and other assembly auxiliary parts, thereby simplifying the disassembly and assembly steps and improving the assembly efficiency; the transformer 200 and the adapter 400 are both arranged on the peripheral side of the bracket 110, and the generator 300 is arranged on the top side of the bracket 110, which can improve the space utilization of the bracket 110, reduce the space occupied by the bracket 110, and have a compact structure.

[0053] In a specific embodiment, the adapter 400 is an adapter socket, which is connected to an external power source via a data line, and the generator 300 includes a positive electrode sheet and a negative electrode sheet that are electrically connected. When the circuit is turned on, the external power source is used to provide electrical energy, and the transformer 200 can boost the current and output it to the generator 300, and the positive electrode sheet and the negative electrode sheet in the generator 300 are ionized and generate negative ions.

[0054] In this embodiment, if Figure 1 and Figure 3 As shown, the fixing portion 210 and the lug 220 are an integrally formed structure, which has high mechanical strength and good integrity, and is convenient for quick disassembly and assembly of the transformer 200. In other embodiments, the fixing portion 210 and the lug 220 may also be a split structure.

[0055] In this embodiment, if Figure 4 As shown, a limiting groove 112 is respectively provided on both sides of the first accommodating groove 111, the lug 220 is in a rectangular plate shape, and the limiting groove 112 is also rectangular to match the lug 220. In other embodiments, the lug 220 can be cylindrical or other irregular shapes, and the limiting groove 112 can also be arc-shaped or other irregular shapes.

[0056] like Figure 2 and Figure 3 In the illustrated embodiment, the first limiting member 120 includes a first supporting rib 121, a first limiting rib 122 and a first buckle 123, the first supporting rib 121 abuts against the side of the transformer 200, the first limiting rib 122 is limited to the bottom surface of the transformer 200, and the first buckle 123 is clamped on the top surface of the transformer 200.

[0057] Through this configuration, the limiting groove 112 can limit the transformer 200 in the lateral direction, the first supporting rib 121 supports the transformer 200, and the first limiting rib 122 and the first buckle 123 can limit the transformer 200 in the longitudinal direction, thereby limiting the transformer 200 in the first accommodating groove 111, and effectively preventing the transformer 200 from being separated from the first accommodating groove 111.

[0058] It should be noted here that the horizontal direction refers to the horizontal direction (i.e. Figure 2 The longitudinal direction refers to the vertical direction (i.e. Figure 2 Y direction shown).

[0059] In this embodiment, if Figure 2 As shown, the side surface of the transformer 200, the bottom surface of the transformer 200 and the top surface of the transformer 200 are all planar, the side of the first support rib 121 facing the side surface of the transformer 200 is planar, the side of the first limiting rib 122 facing the bottom surface of the transformer 200 is also planar, and the side of the first buckle 123 abutting against the top surface of the transformer 200 is also planar, so that the first limiting member 120 is better adapted to the transformer 200. In other embodiments, the side surface of the transformer 200, the bottom surface of the transformer 200 and the top surface of the transformer 200 can be curved or other irregular shapes, the side of the first support rib 121 facing the side surface of the transformer 200 can be curved or other irregular shapes, the side of the first limiting rib 122 facing the bottom surface of the transformer 200 can be curved or other irregular shapes, and the side of the first buckle 123 abutting against the top surface of the transformer 200 can be curved or other irregular shapes.

[0060] In this embodiment, the first support rib 121 and the first limiting rib 122 are in a plate shape. In other embodiments, the first support rib 121 and the first limiting rib 122 can also be in a spherical shape or other irregular shapes.

[0061] In this embodiment, the number of the first support ribs 121 and the first limiting ribs 122 are both multiple, and the first support ribs 121 are arranged at intervals, and the first limiting ribs 122 are arranged at intervals. The number of the first buckles 123 is two, and the two first buckles 123 are arranged opposite to each other. In other embodiments, the number of the first buckles 123 can also be other values, and can be arranged in an array at intervals.

[0062] In this embodiment, the first support rib 121, the first limiting rib 122, the first buckle 123 and the bracket 110 are an integrally formed structure, which has high mechanical strength and is easy to assemble. In other embodiments, the first support rib 121, the first limiting rib 122, the first buckle 123 and the bracket 110 can also be a split structure.

[0063] like Figure 2 In the illustrated embodiment, the adapter 400 is spaced apart from the transformer 200 and is stacked.

[0064] In this embodiment, if Figure 2 and Figure 6 As shown, a second receiving groove 113 adjacent to the first receiving groove 111 is provided on the peripheral side of the bracket 110 , and the support 100 further includes a second limiting member 130 , and the adapter 400 is fixed in the second receiving groove 113 by the second limiting member 130 .

[0065] Through this arrangement, the transformer 200 and the adapter 400 are both arranged on the peripheral side of the bracket 110 and are stacked, with a compact structure, which can improve the space utilization of the bracket 110 and reduce the space occupied by the bracket 110; the adapter 400 can be fixed to the bracket 110 without screws, which is conducive to simplifying the disassembly and assembly steps and improving assembly efficiency.

[0066] like Figure 2 In the illustrated embodiment, the second receiving groove 113 is located below the first receiving groove 111, so that the first receiving groove 111 and the second receiving groove 113 are stacked up and down. In other embodiments, the second receiving groove 113 can also be arranged on the left or right side of the first receiving groove 111, so that the first receiving groove 111 and the second receiving groove 113 are arranged side by side.

[0067] In this embodiment, if Figure 2 As shown, the second limiting member 130 includes a second supporting rib 131, a second limiting rib 132 and a second buckle 133. The second supporting rib 131, the second limiting rib 132 and the second buckle 133 are protruded from the inner wall of the second accommodating groove 113. The second supporting rib 131 abuts against the bottom surface of the adapter 400, the second limiting rib 132 is limited to the top surface of the adapter 400, and the second buckle 133 is clamped on the side of the adapter 400.

[0068] Through this arrangement, the second supporting rib 131 is used to support the adapter 400, the second limiting rib 132 can limit the longitudinal position of the adapter 400, and the second buckle 133 can limit the transverse position of the adapter 400, thereby limiting the adapter 400 in the second accommodating groove 113 to prevent the adapter 400 from being separated from the second accommodating groove 113.

[0069] In this embodiment, if Figure 2and Figure 4 As shown, the bottom surface of the adapter 400, the top surface of the adapter 400 and the side surface of the adapter 400 are all planar, the side of the second supporting rib 131 facing the bottom surface of the adapter 400 is planar, the side of the second limiting rib 132 facing the top surface of the adapter 400 is also planar, and the side of the second buckle 133 abutting against the side surface of the adapter 400 is also planar, so that the second limiting rib 130 can better adapt to the adapter 400. In other embodiments, the bottom surface of the adapter 400, the top surface of the adapter 400, and the side surface of the adapter 400 may be arcuate or other irregular shapes, the side of the second support rib 131 facing the bottom surface of the adapter 400 may be arcuate or other irregular shapes, the side of the second limiting rib 132 facing the top surface of the adapter 400 may be arcuate or other irregular shapes, and the side of the second buckle 133 abutting the side surface of the adapter 400 may be arcuate or other irregular shapes.

[0070] In this embodiment, the second support rib 131 and the second limiting rib 132 are in a plate shape. In other embodiments, the second support rib 131 and the second limiting rib 132 can also be in a spherical shape or other irregular shapes.

[0071] In this embodiment, the number of the second support ribs 131 and the second limiting ribs 132 are both multiple, and the second support ribs 131 are arranged at intervals, and the second limiting ribs 132 are arranged at intervals. The number of the second buckles 133 is two, and the two second buckles 133 are arranged opposite to each other. In other embodiments, the number of the second buckles 133 can also be other values, and can be arranged in an array at intervals.

[0072] In this embodiment, the second support rib 131, the second limiting rib 132, the second buckle 133 and the bracket 110 are an integrally formed structure, which has high mechanical strength and is easy to assemble. In other embodiments, the second support rib 131, the second limiting rib 132, the second buckle 133 and the bracket 110 can also be a split structure.

[0073] like Figure 2 As shown, a reinforcing plate 114 is disposed on the circumferential side of the bracket 110 , and the second limiting rib 132 and the first limiting rib 122 are respectively connected to two opposite sides of the reinforcing plate 114 .

[0074] With this arrangement, the first receiving groove 111 and the second receiving groove 113 share the reinforcing plate 114 , and both sides of the reinforcing plate 114 are respectively connected to limiting ribs, so that the structure is compact and helps to reduce occupied space.

[0075] In this embodiment, the reinforcing plate 114, the first limiting rib 122 and the second limiting rib 132 are an integrally formed structure with good integrity and high mechanical strength. In other embodiments, the reinforcing plate 114, the first limiting rib 122 and the second limiting rib 132 can also be a split structure.

[0076] like Figure 4 In the illustrated embodiment, the bracket 110 is provided with a third accommodating groove 115 , and the support 100 further includes a third limiting member 140 . The generator 300 is accommodated in the third accommodating groove 115 and is fixed by the third limiting member 140 .

[0077] With this arrangement, the generator 300 can be fixed to the bracket 110 without screws, which helps to simplify the disassembly and assembly steps and improve assembly efficiency.

[0078] In this embodiment, if Figure 4 As shown, the third limiting member 140 includes a third limiting rib 141 and a third buckle 142 . The third limiting rib 141 is limited to the side surface of the generator 300 , and the third buckle 142 is clamped on the top surface of the generator 300 .

[0079] Through this configuration, the third limiting rib 141 can limit the generator 300 in the horizontal direction, and the third buckle 142 can limit the generator 300 in the vertical direction, so that the generator 300 is limited in the third accommodating groove 115 to prevent the generator 300 from being separated from the third accommodating groove 115.

[0080] In this embodiment, if Figure 4 As shown, the third limiting rib 141 is in a plate shape. In other embodiments, the third limiting rib 141 may also be in a spherical shape or other irregular shapes.

[0081] In this embodiment, if Figure 4 and Figure 3 As shown, each side of the generator 300 is provided with at least one third limiting rib 141, and each third limiting rib 141 is arranged at intervals. The number of the third buckles 142 is two, and the two third buckles 142 are arranged opposite to each other. In other embodiments, the number of the third buckles 142 can also be other values, and can be arranged in an array at intervals.

[0082] In this embodiment, the third limiting rib 141, the third buckle 142 and the bracket 110 are an integrally formed structure, which has high mechanical strength and is easy to assemble. In other embodiments, the third limiting rib 141, the third buckle 142 and the bracket 110 can also be a split structure.

[0083] like Figure 3 In the illustrated embodiment, the generator 300 has a positioning hole 310 , and a positioning column 116 is protruding from the bottom wall of the third accommodating groove 115 , and the positioning column 116 penetrates the positioning hole 310 .

[0084] Through this arrangement, through the cooperation of the positioning column 116 and the positioning hole 310, the generator 300 is effectively prevented from shifting in the third accommodating groove 115, thereby enhancing the positioning effect of the generator 300 in the third accommodating groove 115.

[0085] In this embodiment, if Figure 1 and Figure 3 As shown, the number of the positioning holes 310 is one and the positioning holes 310 are arranged at intervals, and correspondingly, the number of the positioning posts 116 is one. In other embodiments, the number of the positioning holes 310 and the positioning posts 116 can also be other values ​​and can be arranged at intervals in an array.

[0086] like Figure 5 In the illustrated embodiment, the support 100 further includes a shell 150 , and the shell 150 is detachably connected to the bracket 110 .

[0087] In this embodiment, if Figure 5 As shown, the bracket 110 is fixedly connected to the housing 150 by screws. With this arrangement, the support 100 is easy to disassemble and assemble, and it is convenient to assemble the various parts in the support 100.

[0088] Furthermore, if Figure 5 As shown, the bracket 110 is provided with a first clamping portion 110a, and the shell 150 is provided with a second clamping portion 151. The first clamping portion 110a and the second clamping portion 151 are buckled to make the bracket 110 and the shell 150 detachably connected, so as to facilitate the disassembly and assembly of the components in the support 100.

[0089] Furthermore, if Figure 6 As shown, the bracket 110 is provided with a protrusion 110 b, and the housing 150 is provided with a slot 152 . The protrusion 110 b is held in the slot 152 , so that the bracket 110 and the housing 150 are further fixed.

[0090] In other embodiments, the bracket 110 and the housing 150 may also be an integrally formed structure with higher mechanical strength.

[0091] Please refer to Figure 1 The air purifier in one embodiment includes the negative ion module. By providing the negative ion module, dust and particulate matter in the air entering the air purifier can be effectively removed.

[0092] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0093] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A negative ion module for an air purifier, It is characterized in that include: The support comprises a bracket and a first limiting member, wherein a first accommodating groove and a limiting groove which are in communication are provided on the peripheral side of the bracket, and the first limiting member is convexly arranged on the inner wall of the first accommodating groove; The transformer comprises a fixing portion and lugs extending from the fixing portion to both sides, wherein the lugs are inserted into the limiting grooves, and the fixing portion is accommodated in the first accommodating groove and is limited and fixed by the first limiting member; a generator, fixed to the top side of the support; The adapter is fixed to the peripheral side of the bracket; the adapter is spaced from the transformer and arranged in a stacked manner, the peripheral side of the bracket is provided with a second accommodating groove adjacent to the first accommodating groove, the support further includes a second limiting member, and the adapter is fixed in the second accommodating groove by the second limiting member; The adapter is electrically connected to an external power source, the transformer is electrically connected to the adapter and is used to boost current, and the generator is driven by the transformer to ionize and generate negative ions.

2. The negative ion module of the air purifier according to claim 1, It is characterized in that The first limiting member includes a first supporting rib, a first limiting rib and a first buckle, the first supporting rib abuts against the side surface of the transformer, the first limiting rib is limited to the bottom surface of the transformer, and the first buckle is clamped on the top surface of the transformer.

3. The negative ion module of the air purifier according to claim 2, It is characterized in that The second limiting member includes a second supporting rib, a second limiting rib and a second buckle, the second supporting rib, the second limiting rib and the second buckle are protruded on the inner wall of the second accommodating groove, the second supporting rib abuts against the bottom surface of the adapter, the second limiting rib is limited to the top surface of the adapter, and the second buckle is clamped on the side surface of the adapter.

4. The negative ion module of the air purifier according to claim 3, It is characterized in that A reinforcing plate is provided on the peripheral side of the bracket, and the second limiting rib and the first limiting rib are respectively connected to two opposite sides of the reinforcing plate.

5. The negative ion module of the air purifier according to claim 1, It is characterized in that The bracket is provided with a third accommodating groove, and the support further comprises a third limiting member. The generator is accommodated in the third accommodating groove and is fixed by the third limiting member.

6. The negative ion module of the air purifier according to claim 5, It is characterized in that The third limiting member includes a third limiting rib and a third buckle, the third limiting rib is limited to the side surface of the generator, and the third buckle is clamped on the top surface of the generator.

7. The negative ion module of the air purifier according to claim 5, It is characterized in that The generator has a positioning hole, and a positioning column is protruding from the bottom wall of the third accommodating groove, and the positioning column passes through the positioning hole.

8. The negative ion module of the air purifier according to claim 1, It is characterized in that The support further comprises a shell, and the shell is detachably connected to the bracket.

9. The negative ion module of the air purifier according to claim 8, It is characterized in that include: The bracket is provided with a first clamping portion, the shell is provided with a second clamping portion, and the first clamping portion and the second clamping portion can be buckled; and The bracket is provided with a protrusion, and the shell is provided with a slot, and the protrusion is held in the slot.

10. An air purifier, It is characterized in that It comprises a negative ion module as described in any one of claims 1 to 9.

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