CN112864812A - Bipolar ion generator and air purification device - Google Patents

Abstract

The invention relates to a bipolar ion generator and an air purification device, wherein the bipolar ion generator comprises an ion sheet and a shell: the ion plate is used for generating ion groups with different sign charges; the shell is made of insulating materials and arranged outside the ion sheet, and a hollow area is formed in the shell and used for releasing ion groups; the size of the ion sheet close to the surface in the width direction is smaller than that of the ion sheet close to the middle of the interior, so that steps are formed on the side edges of the ion sheet, and the shell is clamped at the steps of the ion sheet. According to the bipolar ion generator and the air purification device, the steps are formed on the side edges of the ion sheets by reasonably arranging the internal structures of the ion sheets, and the shell can be clamped at the steps, so that the surfaces of the ion sheets are not seriously sunken in the hollow areas of the shell, and ion groups are released more smoothly.

Description

Bipolar ion generator and air purification device

Technical Field

The invention relates to the field of air purification, in particular to a bipolar ion generator and an air purification device.

Background

The ion generator utilizes a high-voltage transformer to boost the voltage to the required voltage, so as to generate positive and negative ions, release the positive and negative ions into the surrounding air, purify the air and improve the living environment of people. Such an apparatus for artificially generating positive and negative ions is called an air cleaning ionizer, and is called an ionizer for short. In view of safety and ease of installation, conventional ionizers are generally provided with a housing made of an insulating material outside the ionizer. In order to facilitate release of ion groups generated by the ion generator into the air, a hollow-out area is generally formed on the housing, but even if the hollow-out area is formed on the housing, the surface of the ion generator is still recessed in the hollow-out area of the housing relative to the housing, so that the release of the ion groups is still not smooth enough.

Disclosure of Invention

Accordingly, it is necessary to provide a bipolar ion generator and an air cleaning device, which are directed to the problem that the conventional ion generator releases ion groups not smoothly enough.

The bipolar ion generator of the invention comprises an ion sheet and a shell: the ion plate is used for generating ion groups with different sign charges, and comprises an emission polar plate, a grounding polar plate and a medium blocking plate, wherein the medium blocking plate is positioned between the emission polar plate and the grounding polar plate; the shell is made of insulating materials and arranged outside the ion sheet, and a hollow area is formed in the shell and used for releasing the ion group; the size of the ion sheet close to the surface in the width direction is smaller than that of the ion sheet close to the middle of the interior, so that steps are formed on the side edges of the ion sheet, and the shell is clamped at the steps of the ion sheet.

In one embodiment, the surface of the ion plate is flush with the surface of the shell, or the surface of the ion plate protrudes from the surface of the shell.

In one embodiment, a plurality of stop strips are further arranged on the hollow-out area of the shell at intervals and used for fixing the ion sheet.

In one embodiment, the ion plate comprises a first grounding plate, a first dielectric barrier plate and a first emitting plate in sequence from one side surface to the other side surface, the first dielectric barrier plate comprises a first part and a second part, the first part is close to the first grounding plate, the second part is close to the first emitting plate, the size of the first grounding plate in the width direction is smaller than or equal to that of the first part, the size of the first emitting plate in the width direction is smaller than or equal to that of the second part, and the size of the first part in the width direction is smaller than that of the second part so that the step is formed on the side edge of the ion plate.

In one embodiment, the ion plate sequentially comprises a first ground polar plate, a first dielectric barrier plate, a first emission polar plate, a second dielectric barrier plate, a second emission polar plate, a third dielectric barrier plate and a second ground polar plate from one side surface to the other side surface, the size of the first ground polar plate and the first emission polar plate in the width direction is smaller than or equal to that of the first dielectric barrier plate, the size of the second ground polar plate and the second emission polar plate in the width direction is smaller than or equal to that of the third dielectric barrier plate, and the size of the first dielectric barrier plate and the size of the third dielectric barrier plate in the width direction are smaller than that of the second dielectric barrier plate, so that the steps are formed on the side edges of the ion plate.

In one embodiment, the bipolar ionizer further comprises a first electrical connector and a second electrical connector, wherein one end of the first electrical connector is electrically connected with the emitting polar plate, and the other end of the first electrical connector is connected with the alternating current high voltage electricity; one end of the second electric connector is electrically connected with the grounding polar plate, and the other end of the second electric connector is connected with a ground wire.

In one embodiment, one end of the first electrical connector is electrically connected with the emitting electrode plate, the other end of the first electrical connector is used for being electrically connected with a first plug in a pluggable mode, and the first plug is connected with the alternating current high voltage power supply through a first lead; one end of the second electric connector is electrically connected with the grounding polar plate, the other end of the second electric connector is used for being electrically connected with a second plug in a pluggable mode, and the second plug is connected to the ground through a second wire.

In one embodiment, one end of the first electrical connector connected with the first plug is provided with a first elastic piece, and the first elastic piece can press against the first plug, so that the first plug can be tightly abutted against the first electrical connector to realize stable electrical connection; one end of the second electric connecting piece, which is connected with the second plug, is provided with a second elastic piece, and the second elastic piece can abut against the second plug, so that the second plug can be tightly abutted against the second electric connecting piece to realize stable electric connection.

In one embodiment, a first port is formed at one end of the first electric connector connected with the first plug, the first elastic piece comprises a first elastic piece, and the first elastic piece is arranged on the side wall of the first port and inclines or bends towards the inside of the first port; the second end of the second electric connector, which is connected with the second plug, is provided with a second port, and the second elastic piece comprises a second elastic piece which is arranged on the side wall of the second port and inclines or bends towards the inside of the second port.

The invention also provides an air purification device, which comprises the bipolar ion generator.

The bipolar ion generator and the air purification device have the beneficial effects that:

according to the bipolar ion generator and the air purification device, the internal structure of the ion sheet is reasonably arranged, so that the size of the ion sheet close to the surface in the width direction is smaller than that of the ion sheet close to the middle of the interior, the step is formed on the side edge of the ion sheet, the shell can be clamped at the step, the surface of the ion sheet is not seriously sunken in the hollow area of the shell, and ion groups are released more smoothly.

Drawings

Fig. 1 is an exploded view of a bipolar ionizer in one embodiment.

Fig. 2 is a schematic view of the overall structure of the bipolar ionizer in one embodiment.

Fig. 3 is an exploded view of the layered structure of an ionic sheet in one embodiment.

FIG. 4 is a schematic diagram of the connection relationship between the ion plate and the first and second electrical connectors according to an embodiment.

Fig. 5 is a schematic transverse cross-sectional view of the bipolar ionizer shown in fig. 2.

Fig. 6 is an exploded view of the layered structure of an ion sheet in another embodiment.

FIG. 7 is a schematic diagram of the connection relationship between the first and second electrical connectors and the first and second plugs of the bipolar ionizer according to one embodiment.

FIG. 8 is a schematic diagram of a first electrical connector in one embodiment.

FIG. 9 is a schematic diagram of a second electrical connector according to one embodiment.

Reference numerals:

an ion plate 100, a first ground plate 110, a first dielectric barrier plate 120, a first portion 121, a second portion 122, a first emitter plate 130, a second dielectric barrier plate 140, a second emitter plate 150, a third dielectric barrier plate 160, a second ground plate 170, a first terminal 180, and a second terminal 190; the structure comprises a shell 200, an upper shell 210, a lower shell 220, a step 230, a hollowed-out area 240 and a stop strip 250;

the first electric connector 300, the first port 310, the first spring 320 and the first support 340; a second electrical connector 400, a second port 410, a second spring plate 420, a second support 440; a first plug 500, a third electrical connector 510, a first insulator 520, a first conductive wire 530, a first projecting end 540; a second plug 600, a fourth electrical connector 610, a second insulator 620, a second conductive wire 630, and a second protruding end 640.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

In one embodiment, as shown in fig. 1 and 2, the bipolar ion generator includes an ion plate 100 and a housing 200, the ion plate 100 has a layered rectangular shape and is used for generating ion groups with different charges, the housing 200 includes an upper shell 210 and a lower shell 220, both made of insulating materials, disposed outside the ion plate 100 and used for fixing the ion plate 100 and preventing the layered ion plate 100 from moving between layers, and the housing 200 is opened with a hollow area 240 for releasing the ion groups.

As shown in fig. 3 and 4, the ion plate 100 includes, in order from one side surface to the other side surface, a first ground plate 110, a first dielectric barrier plate 120, a first emitter plate 130, a second dielectric barrier plate 140, a second emitter plate 150, a third dielectric barrier plate 160, and a second ground plate 170, wherein the first ground plate 110 and the first emitter plate 130 have a dimension in the width direction smaller than or equal to that of the first dielectric barrier plate 120, the second ground plate 170 and the second emitter plate 150 have a dimension in the width direction smaller than or equal to that of the third dielectric barrier plate 160, and the first dielectric barrier plate 120 and the third dielectric barrier plate 160 have a dimension in the width direction smaller than that of the second dielectric barrier plate 140, so as to form a step 230 on a side edge of the ion plate 100. As shown in fig. 4 and 5, when the housing 200 is enclosed outside the ion plate 100, the upper shell 210 and the lower shell 220 are clamped at the step 230 on the second dielectric barrier plate 140, so that the surface of the ion plate 100 is no longer seriously recessed in the hollow area 240 of the housing 200, and the release of ion packets is smoother.

In addition, in the embodiment shown in fig. 5, the surface of the ion plate 100 is flush with the surface of the housing 200, and it is understood that in other embodiments, the surface of the ion plate 100 may also protrude from the surface of the housing 200, so that the release of ion packets is smoother. In addition, although in the embodiment shown in fig. 5, the surface of the ion plate 100 is flush with the surface of the housing 200, the housing 200 is still disposed outside the ion plate 100 at the two ends of the ion plate 100, so that the housing 200 can still fix the ion plate 100 and prevent the laminated ion plate 100 from moving between layers. In addition, as shown in fig. 5, a plurality of bars 250 are further disposed at intervals on the hollow area 240 of the housing 200 for fixing the ion plate 100 and further preventing the layered ion plate 100 from moving between layers.

In addition, as shown in fig. 1 and 4, the bipolar ionizer further includes a first electrical connector 300 and a second electrical connector 400, the first emitter plate 130 and the second emitter plate 150 form a first lead-out terminal 180 at one end of the ion plate 100, the first ground plate 110 and the second ground plate 170 form a second lead-out terminal 190 at the same end of the ion plate 100, one end of the first electrical connector 300 is electrically connected to the first lead-out terminal 180, the other end is connected to the ac high voltage power, one end of the second electrical connector 400 is electrically connected to the second lead-out terminal 190, and the other end is connected to the ground. In one embodiment, the first emitter plate 130 and the second emitter plate 150 are respectively connected to ac high voltage power, the range of the high voltage power is 1000v-3000v, and when the bipolar ion generator works, a power converter is required to convert the commercial power into the voltage required by the ion plate 100.

In the embodiment shown in fig. 4, the first emitter plate 130 and the first ground plate 110 form a first electric field, electrons are led out from one end of the first emitter plate 130 to the first ground plate 110 through the middle first dielectric barrier plate 120, the second emitter plate 150 and the second ground plate 170 form a second electric field, electrons are led out from one end of the second emitter plate 150 to the second ground plate 170 through the middle third dielectric barrier plate 160, the directions of the first electric field and the second electric field are opposite, so that the double-sided bipolar ion alternator with a symmetrical structure increases the number of escaping electrons in unit time, enhances the ion airflow, and accelerates the air purification speed.

It is understood that, in other embodiments, as shown in fig. 6, the ion plate 100 may further include only the first emitter plate 130, the first ground plate 110 and the first dielectric barrier plate 120 in sequence from one side surface to the other side surface, the first dielectric barrier plate 120 is located between the first emitter plate 130 and the first ground plate 110, the first emitter plate 130 and the first ground plate 110 form a first electric field, and electrons are extracted from one end of the first emitter plate 130 to the first ground plate 110 through the middle first dielectric barrier plate 120. The first dielectric barrier 120 includes a first portion 121 and a second portion 122, the first portion 121 is close to the first ground plate 110, the second portion 122 is close to the first emitter plate 130, the first ground plate 110 is smaller than or equal to the first portion 121 in the width direction, the first emitter plate 130 is smaller than or equal to the second portion 122 in the width direction, the first portion 121 is smaller than the second portion 122 in the width direction, so that a step 230 is formed at a side of the ion plate 100, the upper shell 210 and the lower shell 220 can be clamped at the step 230 of the first dielectric barrier 120, the ion extraction surface of the ion plate 100 is no longer seriously recessed in the hollow area 240 of the housing 200, and the release of ion groups is smoother.

In addition, as shown in fig. 1, one end of the first electrical connector 300 is electrically connected to the emitter plate, the other end is electrically connected to the first plug 500 in a pluggable manner, one end of the second electrical connector 400 is electrically connected to the ground plate, and the other end is used for electrically connecting to the second plug 600 in a pluggable manner, the first electrical connector 300, the first plug 500, the second electrical connector 400 and the second plug 600 are configured as shown in fig. 7, the first plug 500 is connected to an ac high voltage through a first wire 530, and the second plug 600 is connected to the ground through a second wire 630. In a specific embodiment, one end of the first electrical connector 300 is soldered to the first terminal 180 by high frequency soldering to achieve a stable and secure electrical connection, and the other end is used for a pluggable electrical connection with the first plug 500; one end of the second electrical connector 400 is welded to the second lead-out terminal 190 by high frequency welding to realize stable and firm electrical connection, and the other end is used for pluggable electrical connection with the second plug 600.

As shown in fig. 7, the first plug 500 includes a third electrical connector 510, a first insulator 520 and a first conductive wire 530, the third electrical connector 510 is located in the first insulator 520, one end of the third electrical connector 510 protrudes from the first insulator 520 to form a first protruding end 540, and the other end of the third electrical connector 510 is electrically connected to the first conductive wire 530 in the first insulator 520. As shown in fig. 7, the second plug 600 includes a fourth electrical connector 610, a second insulator 620 and a second conductive wire 630, the fourth electrical connector 610 is located in the second insulator 620, and one end of the fourth electrical connector 610 protrudes from the second insulator 620 to form a second protruding end 640, and the other end of the fourth electrical connector 610 is electrically connected to the second conductive wire 630 in the second insulator 620. In a specific embodiment, the first insulating member 520 and the second insulating member 620 are made of an insulating material such as rubber or silicon gel.

As shown in fig. 7, a first port 310 is opened at one end of the first electrical connector 300 connected to the first plug 500, and when the first plug 500 is inserted into the first socket 230 of the housing 200, the first protruding end 540 can be inserted into the first port 310, so that the first plug 500 can be electrically connected to the first emitter plate 130 and the second emitter plate 150; the second port 410 is opened at one end of the second electrical connector 400 connected to the second plug 600, and when the second plug 600 is inserted into the second socket 240 of the housing 200, the second protruding end 640 can be inserted into the second port 410, so that the second plug 600 can be electrically connected to the first ground plate 110 and the second ground plate 170. The contact areas between the first protruding end 540 and the first port 310 and between the second protruding end 640 and the second port 410 are large, so that the conductive performance between the first plug 500, the second plug 600 and the ionizer is safe and reliable.

In addition, in order to prevent the erroneous insertion, as shown in fig. 7, the first projecting end 540 has a cylindrical or cylindrical shape, and the first port 310 has a cylindrical shape; the second projecting end 640 and the second port 410 are each flat such that the first plug 500 can only be inserted into the first outlet 230 and the second plug 600 can only be inserted into the second outlet 240. And in order to further increase the identifiability of the first and second plugs 500 and 600, the peripheral cross-section of the first insulator 520 is circular, and the peripheral cross-section of the second insulator 620 is approximately elliptical or square. In addition, as shown in fig. 8, a first elastic sheet 320 is disposed on a sidewall of the first port 310, one end of the first elastic sheet 320 is connected to the sidewall of the first port 310, and the other end of the first elastic sheet 320 is inclined or bent toward the inside of the first port 310, when the first protruding end 540 is inserted into the first port 310, the first elastic sheet 320 can press the first protruding end 540, so that the first protruding end 540 can be tightly abutted against the first electrical connector 300 to achieve stable electrical connection. Similarly, as shown in fig. 9, a second elastic sheet 420 is disposed on a sidewall of the second port 410, one end of the second elastic sheet 420 is connected to the sidewall of the second port 410, and the other end of the second elastic sheet is inclined or bent toward the inside of the second port 410, when the second protruding end 640 is inserted into the second port 410, the second elastic sheet 420 can press against the second protruding end 640, so that the second protruding end 640 can tightly abut against the second electrical connector 400 to achieve stable electrical connection.

In addition, for convenience of processing, the first electrical connector 300 and the second electrical connector 400 are both made of a metal material with good electrical conductivity, the first elastic piece 320 is integrally formed with the first electrical connector 300, and the second elastic piece 420 is integrally formed with the second electrical connector 400. In addition, it is understood that in other embodiments, another elastic structure, collectively referred to as a first elastic member, may be further disposed at an end of the first electrical connector 300 connected to the first plug 500, where the first elastic member can press against the first plug 500, so that the first plug 500 can tightly abut against the first electrical connector 300 to achieve stable electrical connection; other elastic structures can be further arranged at one end of the second electric connector 400 connected with the second plug 600, and the other elastic structures are collectively called as second elastic members, and the second elastic members can press against the second plug 600, so that the second plug 600 can be tightly abutted against the second electric connector 400 to realize stable electric connection.

In addition, in one embodiment, as shown in fig. 7, one end of the first electrical connector 300 electrically connected to the first outlet 180 of the emitter plate is a square hollow structure, and a first supporting member 340 is disposed inside the first electrical connector 300, and the first supporting member 340 is used for enabling the first electrical connector 300 to tightly abut against the first outlet 180, so as to achieve stable electrical connection; one end of the second electrical connector 400 electrically connected to the second leading-out terminal 190 of the ground plate is also in a square hollow structure, a second supporting member 440 is disposed in the second electrical connector 400, and the second supporting member 440 is used for enabling the second electrical connector 400 to tightly abut against the second leading-out terminal 190, so as to achieve stable electrical connection. In one embodiment, the first electrical connector 300 is fixedly connected with the first outlet 180 of the emitter plate by welding, the second electrical connector 400 is fixedly connected with the second outlet 190 of the emitter plate by welding, and the first support 340 and the second support 440 both play a supporting role to prevent the first electrical connector 300, the first outlet 180, the second electrical connector 400 or the second outlet 190 from being structurally deformed to cause poor electrical connection.

In one embodiment, the present invention further provides an air purification apparatus including the bipolar ion generator of any one of the above embodiments.

The invention relates to a bipolar ion generator, wherein an emission polar plate and a grounding polar plate are connected with current to form an electric field with precise size, alternating current is adopted, electrons emitted by the emission polar plate are led out of a medium baffle plate on the grounding side of the electric field to generate different-sign gas ions, a part of electrons meet the grounding polar plate and then flow into the grounding polar plate to form current, the other part of electrons escape from the surface of the medium to meet indoor air molecules, when the escaping electrons reach a certain speed, oxygen molecules can be excited to be in an ionic state, ionized gas enables the particles to be electrified, the charged particles can be easily reduced when meeting the grounding electrode or a reverse polarity object, floating particles in the air can be converted into dust fall, meanwhile, the generated unbalanced positive and negative oxygen ions have high-kinetic energy physical impact effect, and are beneficial to decomposition of harmful volatile gas molecules under double effects of physical effect and chemical effect, can also kill the pathogenic microorganisms, thereby achieving the purposes of air purification and disinfection.

According to the bipolar ion generator and the air purification device, the internal structure of the ion sheet is reasonably arranged, so that the size of the ion sheet close to the surface in the width direction is smaller than that of the ion sheet close to the middle of the interior, steps are formed on the side edges of the ion sheet, the shell can be clamped at the steps, the surface of the ion sheet is not seriously sunken in the hollow area of the shell, and ion groups are released more smoothly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A bipolar ionizer, comprising:

the ion sheet is used for generating ion groups with different sign charges, and comprises an emission polar plate, a grounding polar plate and a medium blocking plate, wherein the medium blocking plate is positioned between the emission polar plate and the grounding polar plate;

the shell is made of insulating materials and arranged outside the ion sheet, and a hollow area is formed in the shell and used for releasing the ion group;

the size of the ion sheet close to the surface in the width direction is smaller than that of the ion sheet close to the middle of the interior, so that steps are formed on the side edges of the ion sheet, and the shell is clamped at the steps of the ion sheet.

2. The bipolar ionizer of claim 1 wherein said ion sheet has a surface that is flush with or raised above said housing surface.

3. The bipolar ion generator of claim 1, wherein a plurality of bars are spaced apart from each other in the hollow area of the housing for fixing the ion plate.

4. The bipolar ionizer of claim 1 wherein said ion sheet comprises, in order from one side surface to the other, a first ground plate, a first dielectric barrier plate, a first emitter plate, said first dielectric barrier plate comprising a first portion and a second portion, said first portion being adjacent to said first ground plate, said second portion being adjacent to said first emitter plate, said first ground plate having a dimension in the width direction less than or equal to said first portion, said first emitter plate having a dimension in the width direction less than or equal to said second portion, said first portion having a dimension in the width direction less than said second portion to form said steps on the sides of said ion sheet.

5. The bipolar ionizer of claim 1 wherein said ion sheet comprises, in order from one side surface to the other, a first ground plate, a first dielectric barrier plate, a first emitter plate, a second dielectric barrier plate, a second emitter plate, a third dielectric barrier plate and a second ground plate, said first ground plate and said first emitter plate having a dimension in the width direction less than or equal to said first dielectric barrier plate, said second ground plate and said second emitter plate having a dimension in the width direction less than or equal to said third dielectric barrier plate, said first dielectric barrier plate and said third dielectric barrier plate having a dimension in the width direction less than said second dielectric barrier plate to form said steps on the sides of said ion sheet.

6. The bipolar ionizer of claim 1 further comprising a first electrical connector and a second electrical connector, said first electrical connector having one end electrically connected to said emitter plate and the other end connected to an ac high voltage power; one end of the second electric connector is electrically connected with the grounding polar plate, and the other end of the second electric connector is connected with a ground wire.

7. The bipolar ion generator of claim 6 wherein said first electrical connector has one end electrically connected to said emitter plate and another end for pluggable electrical connection to a first plug, said first plug connected to said ac high voltage power source via a first wire; one end of the second electric connector is electrically connected with the grounding polar plate, the other end of the second electric connector is used for being electrically connected with a second plug in a pluggable mode, and the second plug is connected to the ground through a second wire.

8. The bipolar ion generator of claim 6, wherein one end of the first electrical connector connected to the first plug is provided with a first elastic member, and the first elastic member can press against the first plug, so that the first plug can be tightly abutted against the first electrical connector to realize stable electrical connection; one end of the second electric connecting piece, which is connected with the second plug, is provided with a second elastic piece, and the second elastic piece can abut against the second plug, so that the second plug can be tightly abutted against the second electric connecting piece to realize stable electric connection.

9. The bipolar ion generator of claim 8, wherein the first electrical connector has a first port at an end connected to the first plug, and the first elastic member comprises a first elastic piece disposed on a sidewall of the first port and inclined or bent toward an inside of the first port; the second end of the second electric connector, which is connected with the second plug, is provided with a second port, and the second elastic piece comprises a second elastic piece which is arranged on the side wall of the second port and inclines or bends towards the inside of the second port.

10. An air cleaning device comprising the bipolar ionizer according to any one of claims 1 to 9.

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