CN112856704A - Air curtain machine with purification function - Google Patents

Abstract

The invention relates to an air curtain machine with a purification function, which comprises a main body, a bipolar ion generator and a bracket, wherein the main body is provided with an air inlet and an air outlet; the bipolar ion generator comprises an ion sheet and a power converter; the power converter is used for converting power for the ion plate; the support is used for installing the ion plate at the air outlet. When the air curtain machine with the purification function works, positive and negative purification ions generated by the ion sheet can be carried and diffused to the whole inlet and outlet channel below the air curtain machine by airflow, so that the comprehensive and continuous purification effect of the whole inlet and outlet channel is realized.

Description

Air curtain machine with purification function

Technical Field

The invention relates to the field of ventilation equipment, in particular to an air curtain machine with a purification function.

Background

The air curtain machine is mainly used in places such as restaurants, shops, entertainment venues and the like which need to go in and out frequently and need to open and close doors continuously, is generally arranged above an access passage, and separates indoor air and outdoor air by strong airflow generated by driving a through-flow or centrifugal wind wheel through a high-speed motor, so that outdoor pollutants and winged insects are prevented from invading, and the indoor temperature is kept clean. However, the existing air curtain machine only can achieve the effect of isolating gas and cannot purify existing pollutants, in addition, dust is easily raised by high-speed airflow generated by the air curtain machine, and the high-speed airflow can also accelerate the diffusion of the pollutants.

Disclosure of Invention

Therefore, it is necessary to provide an air curtain machine with a purification function to solve the problem that the existing air curtain machine cannot purify air.

The invention relates to an air curtain machine with a purification function, which comprises a main body, a bipolar ion generator and a bracket, wherein the main body is provided with an air inlet and an air outlet; the bipolar ion generator comprises an ion sheet and a power converter, wherein the ion sheet comprises an emission polar plate, a grounding polar plate and a medium blocking plate, and the medium blocking plate is positioned between the emission polar plate and the grounding polar plate; the power converter is used for converting electric power for the ion plate, the emission polar plate is connected with alternating-current high-voltage electricity through the power converter, and the grounding polar plate is connected with a ground wire through the power converter; the bracket is used for installing the ion plate at the air outlet.

In one embodiment, the bipolar ionizer further comprises a plug having one end electrically connected to the ion plate in a pluggable manner and the other end electrically connected to the power converter.

In one embodiment, the ionic sheet further comprises a first electrical connector and a second electrical connector, and the plug comprises a first plug and a second plug; one end of the first electric connector is electrically connected with the emitting electrode plate, the other end of the first electric connector is electrically connected with one end of a first plug in a pluggable manner, and the other end of the first plug is connected with alternating-current high-voltage power supply through the power supply converter; one end of the second electric connector is electrically connected with the grounding electrode plate, the other end of the second electric connector is electrically connected with one end of a second plug in a pluggable mode, and the other end of the second plug is connected with a ground wire through the power converter.

In one embodiment, the ionic sheet further comprises a second shell made of an insulating material, the second shell surrounding the outside of the ionic sheet; the bracket comprises a fixed plate and an installation plate which are fixedly connected, and the fixed plate is fixedly connected with a side plate of the air outlet of the main body through a fastener; the mounting panel has hollow structure, the plug is located in the mounting panel, the ion piece pass through the mounting panel with the leg joint.

In one embodiment, one of the ion sheets is mounted at the air outlet through two of the brackets, the two brackets are mounted on a side plate of the air outlet through a fixing plate, a first mounting position and a second mounting position are respectively formed at ends, close to each other, of the mounting plates of the two brackets, a first connecting end and a second connecting end are oppositely arranged on a second shell of the ion sheet, the first connecting end can be inserted into the first mounting position, and the second connecting end can be inserted into the second mounting position, so that the ion sheet is mounted on the two brackets.

In one embodiment, the first electric connector and the second electric connector are arranged at the same end of the ion plate close to a first mounting position of a support, a lead port is formed in one end of the support far away from the ion plate and communicated with the first mounting position, a through hole is formed in a side plate of the air outlet at a position corresponding to the lead port, the first plug is connected with the first electric connector in a pluggable mode through the through hole and the lead port, and the second plug is connected with the second electric connector in a pluggable mode through the through hole and the lead port.

In one embodiment, the air outlet is in the shape of an elongated slit, the number of the bipolar ion generators is more than one, and the bracket between two adjacent ion plates is provided with two oppositely-arranged mounting positions which are respectively used for connecting with two adjacent ion plates.

In one embodiment, the ion plate and the power converter are respectively installed on two opposite surfaces of the same side plate of the air outlet.

In one embodiment, one end of the first plug is connected with the first electric connector in a pluggable and electric manner, and the other end of the first plug is connected with the power converter in a pluggable and electric manner; one end of the second plug is connected with the second electric connector in a pluggable mode, and the other end of the second plug is connected with the power converter in a pluggable mode.

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.

In one embodiment, the ion plate further comprises a second shell made of an insulating material, the second shell is arranged outside the ion plate, 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 to the other side, 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, and the second shell is clamped on the third dielectric barrier plate, so that the surface of the second shell is flush with the surface of the ion plate.

The air curtain machine with the purification function has the beneficial effects that:

according to the air curtain machine with the purification function, the bipolar ion generator is arranged at the air outlet, so that when the air curtain machine works, positive and negative purification ions generated by the ion sheet can be carried and diffused to the whole access channel below the air curtain machine by airflow, and the comprehensive and continuous purification effect of the whole access channel is realized. In addition, further, one end of the plug of the bipolar ion generator in the air curtain machine is electrically connected with the power converter, and the other end of the plug is electrically connected with the ion sheet in a pluggable manner, so that the ion sheet is convenient to install, maintain and replace.

Drawings

Fig. 1 is a schematic view of an overall structure of an air curtain machine in one embodiment.

Fig. 2 is an exploded view of an air curtain machine according to an embodiment.

Fig. 3 is a schematic structural diagram of the air curtain machine after the cover is hidden in the embodiment.

FIG. 4 is a schematic view of the structure of the ionic sheet and the bracket after being assembled together according to an embodiment.

FIG. 5 is a schematic view of an embodiment of the ion plate removed from the bracket.

Fig. 6 is a schematic structural diagram of an ion plate before being connected with a plug in one embodiment.

FIG. 7 is a schematic structural diagram of an embodiment of an ionic piece after connection with a plug.

FIG. 8 is a schematic view of the internal structure of an ion plate in one embodiment.

FIG. 9 is a schematic diagram of an exploded structure of the first electrical connector, the first plug, the second electrical connector, and the second plug in one embodiment.

FIG. 10 is a schematic diagram of a first electrical connector according to one embodiment.

FIG. 11 is a schematic diagram of a second electrical connector in one embodiment.

Fig. 12 is a schematic diagram of an exploded structure of an ion plate in another embodiment.

FIG. 13 is a schematic view showing the internal structure of an ion plate in another embodiment.

FIG. 14 is a schematic view showing the overall structure of an ion plate in another embodiment.

Reference numerals:

the air conditioner comprises a main body 100, a cover body 110, an air inlet 111, a first shell 120, an air outlet 121, a motor 122, a wind wheel 123 and a side plate 124; the plasma display panel comprises a bipolar ion generator 200, an ion plate 210, a first grounding polar plate 211, a first dielectric barrier plate 212, a first emitting polar plate 213, a second dielectric barrier plate 214, a second emitting polar plate 215, a third dielectric barrier plate 216, a second grounding polar plate 217, a first leading-out terminal 218, a second leading-out terminal 219, a second shell 220, a first connection terminal 221, a second connection terminal 222, an upper shell 223 and a lower shell 224; the first electric connector 230, the first elastic sheet 231, the second electric connector 240 and the second elastic sheet 241; a plug 250, a first plug 260, a third electrical connector 261, a first insulator 262, a first conductive line 263, a first projecting end 264, a second plug 270, a fourth electrical connector 271, a second insulator 272, a second conductive line 273, a second projecting end 274; a power converter 280; the fixing device comprises a bracket 300, a fixing plate 310, a mounting plate 320, a first mounting position 321, a second mounting position 322 and a lead port 323; an ionizer power pack 400, a switching power supply 410; a hollowed-out area 500.

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, the air curtain machine has an external configuration as shown in fig. 1, and an explosive configuration as shown in fig. 2, and as can be seen from fig. 1 and 2, the air curtain machine includes a main body 100, a bipolar ion generator 200, and a bracket 300, wherein the main body 100 includes a cover 110 and a first housing 120, the cover 110 is covered on the first housing 120, the cover 110 is provided with a mesh air inlet 111, the first housing 120 is further provided with an air outlet 121 in the shape of an elongated slit, and the bipolar ion generator 200 is disposed at the position of the air outlet 121 through the bracket 300. The structure of the air curtain machine with the hidden upper cover is shown in fig. 3, a motor 122 and a wind wheel 123 which are electrically connected are arranged in the first casing 120, the motor 122 and the wind wheel 123 are electrically connected, and the motor 122 can drive the wind wheel 123 to work, so that air flow enters from the air inlet 111 and then flows out from the air outlet 121. When the air curtain machine works, under the driving action of the motor 122, the wind wheel 123 runs, airflow enters from the air inlet 111, the bipolar ion generator 200 releases ion groups with different charges, and when the airflow flows through the bipolar ion generator 200, the ion groups are taken out of the air curtain machine main body 100 from the air outlet 121, so that air in an inlet and outlet channel below the air curtain machine is purified.

As can be seen from fig. 1-3, since the air outlet 121 of the air curtain machine is in the shape of a slender slit, in order to enable the air curtain machine to perform a cleaning function on all coverage areas in the access passage, according to the size of the air outlet 121 of the air curtain machine, in the embodiment shown in fig. 1-3, two sets of bipolar ion generators are disposed at the position of the air outlet 121 of the air curtain machine, and each set of bipolar ion generator includes two bipolar ion generators 200. It is understood that in other embodiments, the air outlet 121 of the air curtain machine may be provided with a longer bipolar ion generator, or other numbers of bipolar ion generators.

As shown in fig. 2, 4 and 5, each bipolar ion generator 200 includes an ion plate 210, a plug 250 and a power converter 280, the ion plate 210 is used for generating ion groups with different sign charges, the ion plate 210 is disposed at the air outlet 121 of the air curtain machine through a bracket 300, one end of the plug 250 is electrically connected with the ion plate 210 in a pluggable manner, and the other end is electrically connected with the power converter 280; the power converter 280 is used to convert power for the ion plate 210. As can be seen from fig. 2 and 3, the air curtain machine further includes an ionizer power box 400, the ionizer power box 400 is disposed on the side plate 124 of the first housing 120 on the side of the air outlet 121, the power converters 280 of all the bipolar ion generators 200 are disposed in the ionizer power box 400, the power converters 280 are used for converting the commercial power into the electric power required by the ion plate 210, and in a specific embodiment, the power converters 280 can convert the commercial power of 220v into the ac high voltage electric power required by the ion plate 210, and the voltage range of the high voltage electric power is generally 1000v-3000 v. In addition, a switching power supply 410 is disposed in the ionizer power pack 400, the switching power supply 410 is used for converting the commercial power into the power required by the power converter 280, and in a specific embodiment, the switching power supply 410 is capable of converting 220V of commercial power into the 5V of operating voltage required by the power converter 280. In the embodiment shown in fig. 2 and 3, all the power converters 280 and the switching power supplies 410 of the bipolar ion generator 200 are disposed in the ionizer power pack 400, so that the electronic components in the power pack can be protected from being interfered and damaged by external factors, and the installation and maintenance are convenient.

In addition, as can be seen from fig. 3, the ion plate 210 is mounted below the side plate 124 on the side of the air outlet 121 in the first housing 120 through the bracket 300, and the ion source box 400 is disposed above the same side plate 124 on the side of the air outlet 121 in the first housing 120, so that the distance between the ion plate 210 and the power converter 280 can be shortened as much as possible, and the ion plate 210 can be electrically connected to the power converter 280 through the plug 250.

The structure of the single-set bipolar ion generator 200 after the ion plate 210 is connected to the bracket 300 is shown in fig. 4, the structure of the single-set bipolar ion generator 200 after the ion plate 210 is detached from the bracket 300 is shown in fig. 5, the structures of the single-set bipolar ion generator 200 before and after the ion plate 210 is connected to the plug 250 are shown in fig. 6 and 7, and the structure of the single-set bipolar ion generator 200 after the ion plate 210 is connected to the plug 250 is shown in fig. 8. As shown in fig. 5 to 6, the ion plate 210 further includes a second housing 220 made of an insulating material, the second housing 220 is disposed outside the ion plate 210, and hollow areas 500 are disposed on the second housing 220 on two sides of the ion plate 210, so as to facilitate outflow of different-sign ion groups with positive and negative charges. As shown in fig. 4 and 5, one ion plate 210 is mounted at the air outlet 121 of the air curtain machine through two brackets 300, as shown in fig. 5, each bracket 300 includes a fixing plate 310 and a mounting plate 320, which are fixedly connected, the fixing plate 310 is used for being fixedly connected with the side plate 124 of the air curtain machine air outlet 121 through a fastener, the mounting plate 320 has an internal hollow structure, and one ends of the mounting plates 320 of the two brackets 300, which are close to each other, are respectively provided with a first mounting position 321 and a second mounting position 322. The second shell 220 of the ion plate 210 is oppositely provided with a first connecting end 221 and a second connecting end 222, the first connecting end 221 can be inserted into the first mounting position 321, and the second connecting end 222 can be inserted into the second mounting position 322, so that one ion plate 210 is mounted at the air outlet 121 of the air curtain machine through the two brackets 300.

In addition, as shown in fig. 6, the first connection end 221 and the second connection end 222 are step-shaped, and one end close to the bracket 300 is smaller than one end far from the bracket 300, the end with the smaller size of the first connection end 221 can be inserted into the first installation position 321, and the end with the smaller size of the second connection end 222 can be inserted into the second installation position 322. As shown in fig. 4 and 5, the bracket 300 between two adjacent ion plates 210 has two oppositely disposed mounting positions for connecting with two adjacent ion plates 210, respectively.

As can be seen in fig. 5-7, the plug 250 includes a first plug 260 and a second plug 270, and the ion plate 210 is electrically connected to the power converter 280 through the first plug 260 and the second plug 270. As can be seen in fig. 8, the ion plate 210 is in a layered rectangle, the ion plate 210 sequentially includes a first ground plate 211, a first dielectric barrier plate 212, a first emitter plate 213, a second dielectric barrier plate 214, a second emitter plate 215, a third dielectric barrier plate 216, and a second ground plate 217 from one side to the other side, the first emitter plate 213 and the second emitter plate 215 form a first lead-out 218 at one end of the ion plate 210, the first lead-out 218 can be electrically connected to a first plug 260, the first plug 260 is connected to ac high voltage power through a power converter 280, the first ground plate 211 and the second ground plate 217 form a second lead-out 219 at the same end of the ion plate 210, the second lead-out 219 can be electrically connected to a second plug 270, and the second plug 270 is grounded through the power converter 280. The first emitter plate 213 and the first ground plate 211 form a first electric field, the second emitter plate 215 and the second ground plate 217 form a second electric field, the directions of the first electric field and the second electric field are opposite, and the double-sided ion plate 210 with a symmetrical structure increases the number of escaping electrons in unit time, enhances ion airflow, and accelerates the air purification speed. It is understood that, in other embodiments, the ion plate 210 may further include only the first emitter plate 213, the first ground plate 211 and the first dielectric barrier plate 212, the first dielectric barrier plate 212 is located between the first emitter plate 213 and the first ground plate 211, a first electric field is formed between the first emitter plate 213 and the first ground plate 211, and electrons are extracted from one end of the first emitter plate 213 to the first ground plate 211 through the middle first dielectric barrier plate 212.

In the embodiment shown in fig. 8, the first lead-out 218 and the second lead-out 219 are both located at the same end of the ion plate 210, and thus, the first plug 260 and the second plug 270 are pluggably disposed at the same end of the ion plate 210, as shown in fig. 6 and 7. When two ion plates 210 are adjacently arranged, as shown in fig. 5, the plugs 250 of the two ion plates 210 are both arranged at the right end of the ion plates 210, that is, the plugs 250 of the two ion plates 210 are not adjacently arranged, so that the plugs 250 of the respective ion plates 210 can be conveniently electrically connected with the respective corresponding power converters 280, and the situation of confusion or wire winding is avoided. In addition, as shown in fig. 5, two adjacent ion plates 210 are fixed by three brackets 300, the plugs 250 of two adjacent ion plates 210 are arranged at the right end of the ion plates 210, that is, the plugs 250 of two adjacent ion plates 210 are both disposed near one end of the first mounting location 321, and therefore, lead wire ports 323 are respectively formed at one ends of the middle support 300 and the right support 300 away from the ion plate 210, the lead wire ports 323 are communicated with the first mounting position 321, through holes (not shown in the figure) are formed at positions on the side plate 124 of the air outlet 121 corresponding to the lead wire ports 323, one end of the first plug 260 is electrically connected with the power converter 280, the other end is electrically connected with the emission pole plate of the ion plate 210 in a pluggable manner through the through holes and the lead wire ports 323, one end of the second plug 270 is electrically connected with the power converter 280, and is connected with the grounding electrode plate of the ion plate 210 in a pluggable mode through the through hole and the lead port 323.

In one embodiment, as shown in fig. 9, the ion plate 210 further comprises a first electrical connector 230 and a second electrical connector 240, the first plug 260 is pluggable electrically connected to the emitter plate of the ion plate 210 through the first electrical connector 230, and the second plug 270 is pluggable electrically connected to the ground plate of the ion plate 210 through the second electrical connector 240. One end of the first electrical connector 230 is electrically connected to the first outlet 218, and the other end is electrically connected to one end of the first plug 260 in a pluggable manner, and the other end of the first plug 260 is connected to the ac high voltage power through the power converter 280; one end of the second electrical connector 240 is electrically connected to the second outlet 219, the other end is electrically connected to one end of the second plug 270 in a pluggable manner, and the other end of the second plug 270 is connected to the ground through the power converter 280. In a specific embodiment, one end of the first electrical connector 230 is soldered to the first terminal 218 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 260; one end of the second electrical connector 240 is soldered to the second terminal 219 by high frequency soldering to achieve a stable and secure electrical connection, and the other end is used for being electrically connected to the second plug 270 in a pluggable manner.

As shown in fig. 9, the first plug 260 includes a third electrical connector 261, a first insulator 262 and a first conductive line 263, the third electrical connector 261 is located in the first insulator 262, one end of the third electrical connector 261 protrudes from the first insulator 262 to form a first protruding end 264, and the other end of the third electrical connector 261 is electrically connected to the first conductive line 263 in the first insulator 262. As shown in fig. 9, the second plug 270 includes a fourth electrical connector 271, a second insulating member 272 and a second conductive wire 273, the fourth electrical connector 271 is located in the second insulating member 272, and one end of the fourth electrical connector 271 protrudes out of the second insulating member 272 to form a second protruding end 274, and the other end of the fourth electrical connector 271 is electrically connected to the second conductive wire 273 in the second insulating member 272. The first protruding terminal 264 can be inserted into the first electrical connection 230, so that the first plug 260 can be electrically connected with the first emitter plate 213 and the second emitter plate 215; the second protruding end 274 can be inserted into the second electrical connector 240, so that the second plug 270 can be electrically connected with the first and second ground plates 211 and 217.

In addition, as shown in fig. 10, a first elastic sheet 231 is disposed on a sidewall of the first electrical connector 230, the first elastic sheet 231 inclines or bends toward the inside of the first electrical connector 230, and after the first protruding end 264 is inserted into the first electrical connector 230, the first elastic sheet 231 can press against the first protruding end 264, so that the first protruding end 264 can tightly abut against the first electrical connector 230 to achieve stable electrical connection. Similarly, as shown in fig. 11, a second elastic sheet 241 is disposed on a sidewall of the second electrical connector 240, the second elastic sheet 241 is inclined or bent toward the inside of the second electrical connector 240, and after the second protruding end 274 is inserted into the second electrical connector 240, the second elastic sheet 241 can press against the second protruding end 274, so that the second protruding end 274 can be tightly abutted against the second electrical connector 240 to achieve a stable electrical connection.

In addition, for convenience of processing, the first electrical connector 230 and the second electrical connector 240 are made of a metal material with good electrical conductivity, the first elastic piece 231 is integrally formed with the first electrical connector 230, and the second elastic piece 241 is integrally formed with the second electrical connector 240. In addition, it is understood that in other embodiments, another elastic structure, which is collectively referred to as a first elastic member, may be further disposed at an end of the first electrical connector 230 connected to the first plug 260, where the first elastic member can press against the first plug 260, so that the first plug 260 can tightly abut against the first electrical connection to achieve stable electrical connection; other elastic structures can be further arranged at one end of the second electrical connector 240 connected with the second plug 270, and the other elastic structures are collectively called as second elastic members, and the second elastic members can press the second plug, so that the second plug 270 can be tightly abutted against the second electrical connector 240 to realize stable electrical connection.

In addition, in order to prevent the erroneous insertion, as shown in fig. 9, the first projecting end 264 is formed in a cylindrical shape or a cylindrical shape, and a port where the first electric connector 230 is connected to the first plug 260 is formed in a cylindrical shape; the second protruding end 274 is flat, and the port of the second electrical connector 240 connected to the second plug 270 is also flat, so that the first plug 260 can only be inserted into the first electrical connector 230, and the second plug 270 can only be inserted into the second electrical connector 240. And to further increase the visibility of the first and second plugs 260 and 270, the peripheral cross-section of the first insulating member 262 is circular and the peripheral cross-section of the second insulating member 272 is oval or square.

In the embodiment shown in fig. 9, the first plug 260 is electrically connected to the first electrical connector 230 in a pluggable manner, and the second plug 270 is electrically connected to the second electrical connector 240 in a pluggable manner, so that the ion plate 210 can be conveniently installed, maintained and replaced. In addition, in some embodiments, one end of the first plug 260 is electrically connected to the first electrical connector 230 in a pluggable manner, the other end is electrically connected to the power converter 280 in a pluggable manner, one end of the second plug 270 is electrically connected to the second electrical connector 240 in a pluggable manner, the other end is electrically connected to the power converter 280 in a pluggable manner, so designed, it is convenient to select or replace plugs 250 with different lengths or specifications according to the specific installation positions of the ion plate 210 and the power converter 280, when the ion plate 210 and the power converter 280 are installed at the outlet 121 of the air curtain machine, only the proper installation positions of the ion plate 210 and the power converter 280 need to be considered, and after the ion plate 210 and the power converter 280 are installed, the length or specification of the first plug 260 and the second plug 270 is selected to be connected between the ion plate 210 and the power converter 280 in a pluggable manner.

In addition, in an embodiment, the bipolar ion generator 200 may share a power supply with the air curtain machine main body 100, or may be separately connected to the commercial power, and the electronic control system for controlling the operation of the bipolar ion generator 200 may be independent from or associated with the electronic control system of the air curtain machine. In another embodiment, a pneumatic relay for detecting wind power may be installed at the air outlet 121 of the air curtain machine, and when air flow is detected, the pneumatic relay controls the ion plate 210 to generate ions, so as to achieve automatic control, and avoid the passive operation of the bipolar ion generator 200, so as to save electric energy. It will be appreciated that when the electronic control system of the bipolar ionizer 200 is associated with the electronic control system of the air curtain, no pneumatic relay needs to be loaded.

In addition, in one embodiment, as shown in fig. 12 to 14, the ion plate 210 includes a second housing 220 made of an insulating material, the second housing 220 includes an upper shell 223 and a lower shell 224, the second housing 220 is disposed outside the ion plate 210, and hollow areas 500 are opened on the upper shell 223 and the lower shell 224 on both upper and lower sides of the ion plate 210, so as to facilitate outflow of the positively and negatively charged ion groups of different signs. The ion plate 210 sequentially includes a first ground plate 211, a first dielectric barrier plate 212, a first emission plate 213, a second dielectric barrier plate 214, a second emission plate 215, a third dielectric barrier plate 216 and a second ground plate 217 from one side to the other side, the dimensions of the first dielectric barrier plate 212 and the third dielectric barrier plate 216 in the width direction are smaller than that of the second dielectric barrier plate 214, steps are formed between the first dielectric barrier plate 212 and the second dielectric barrier plate 214 and between the third dielectric barrier plate 216 and the second dielectric barrier plate 214, and an upper shell 223 and a lower shell 224 are clamped on the steps on the upper side and the lower side of the second dielectric barrier plate 214, so that the surface of the second shell 220 is flush with the surface of the ion plate 210, and therefore, the ion group with the opposite sign and the negative charge can flow out from the hollow area 500 more conveniently.

In the bipolar ion generator in the air curtain machine, the emission polar plate and the grounding polar plate are connected with current to form an electric field with precise size, and the electrons emitted by the emission polar plate are led out of the medium blocking plate on the grounding side of the electric field by adopting alternating current to generate different-sign gas ions. Due to the compact characteristic of medium discharge, part of electrons flow into the grounding polar plate after meeting the grounding polar plate to form current, and the other part of electrons escape from the surface of the medium and 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 particles in the air can be easily reduced when the charged particles meet the grounding electrode or a reversed polarity object, floating dust in the air is converted into dust fall, the floating particles are reduced, simultaneously the generated unbalanced oxygen ions have the physical impact effect of high kinetic energy, the decomposition of harmful volatile gas molecules is facilitated under the dual effects of physical action and chemical action, the sterilization effect on pathogenic microorganisms can be realized, and the purposes of air purification and sterilization are achieved.

According to the air curtain machine, the bipolar ion generator is arranged at the air outlet, when the air curtain machine works, positive and negative purification ions generated by the ion sheet can be carried and diffused to the whole access channel below the air curtain machine by airflow, so that the comprehensive and continuous purification effect of the whole access channel is realized, the air curtain machine and the air purifier are combined into a whole, plankton in the air in the access channel can be effectively killed, inhalable particles in the air are reduced, TVOC in the air is decomposed, peculiar smell is eliminated, and the air supply safety of the air curtain machine is ensured. In addition, the bipolar ion generator in the air curtain machine is convenient to install, maintain and replace the ion sheet by connecting the plug with the ion sheet in a pluggable manner, when the ion sheet breaks down, only the plug needs to be pulled down to replace the ion sheet, and the power converter, other circuit structures or electronic components in the air curtain machine do not need to be replaced.

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 (12)

1. The utility model provides a take purification performance's air curtain machine which characterized in that includes:

the wind wheel comprises a main body, wherein an air inlet and an air outlet are formed in the main body, a motor and a wind wheel which are electrically connected are arranged in the main body, and the motor can drive the wind wheel to work, so that air flow enters from the air inlet and flows out from the air outlet;

the bipolar ion generator comprises an ion sheet and a power converter, wherein the ion sheet comprises an emission polar plate, a grounding polar plate and a medium blocking plate, the medium blocking plate is positioned between the emission polar plate and the grounding polar plate, and the ion sheet is used for generating ion groups with different-sign charges; the power converter is used for converting electric power for the ion plate, the emission polar plate is connected with alternating-current high-voltage electricity through the power converter, and the grounding polar plate is connected with a ground wire through the power converter; and

and the bracket is used for installing the ion plate at the air outlet.

2. The air curtain machine of claim 1, wherein the bipolar ionizer further comprises a plug having one end that is pluggably electrically connected to the ion plate and another end that is electrically connected to the power converter.

3. The air curtain machine of claim 2, wherein the ion sheet further comprises a first electrical connector and a second electrical connector, the plug comprises a first plug and a second plug; one end of the first electric connector is electrically connected with the emitting electrode plate, the other end of the first electric connector is electrically connected with one end of a first plug in a pluggable manner, and the other end of the first plug is connected with alternating-current high-voltage power supply through the power supply converter; one end of the second electric connector is electrically connected with the grounding electrode plate, the other end of the second electric connector is electrically connected with one end of a second plug in a pluggable mode, and the other end of the second plug is connected with a ground wire through the power converter.

4. The air curtain machine of claim 2, wherein the ionic sheet further comprises a second housing made of an insulating material, the second housing disposed outside of the ionic sheet; the bracket comprises a fixed plate and an installation plate which are fixedly connected, and the fixed plate is fixedly connected with a side plate of the air outlet of the main body through a fastener; the mounting panel has hollow structure, the plug is located in the mounting panel, the ion piece pass through the mounting panel with the leg joint.

5. The air curtain machine as claimed in claim 4, wherein one of the ion sheets is mounted at the air outlet through two of the brackets, the two brackets are mounted on the side plate of the air outlet through a fixing plate, a first mounting position and a second mounting position are respectively formed at ends of the mounting plates of the two brackets close to each other, a first connecting end and a second connecting end are oppositely arranged on the second housing of the ion sheet, the first connecting end can be inserted into the first mounting position, and the second connecting end can be inserted into the second mounting position, so that the ion sheet is mounted on the two brackets.

6. The air curtain machine as claimed in claim 5, wherein the first electrical connector and the second electrical connector are disposed at a same end of the ion plate close to a first mounting position of the bracket, a lead port is formed at an end of the bracket away from the ion plate, the lead port is communicated with the first mounting position, a through hole is formed in a side plate of the air outlet at a position corresponding to the lead port, the first plug is electrically connected with the first electrical connector in a pluggable manner through the through hole and the lead port, and the second plug is electrically connected with the second electrical connector in a pluggable manner through the through hole and the lead port.

7. The air curtain machine as claimed in claim 5, wherein the air outlet is in the shape of a narrow slit, the number of the bipolar ion generators is more than one, and the support between two adjacent ion plates has two opposite mounting positions for connecting with two adjacent ion plates respectively.

8. The air curtain machine as claimed in claim 5, wherein the ion plate and the power converter are respectively mounted on opposite sides of the same side plate of the air outlet.

9. The air curtain machine of claim 3, wherein one end of the first plug is in pluggable electrical connection with the first electrical connector and the other end is in pluggable electrical connection with the power converter; one end of the second plug is connected with the second electric connector in a pluggable mode, and the other end of the second plug is connected with the power converter in a pluggable mode.

10. The air curtain machine as claimed in any one of claims 3 to 9, wherein a first elastic member is disposed at an end of the first electrical connector connected to the first plug, 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 achieve 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.

11. The air curtain machine as claimed in claim 10, wherein a first port is formed at an end of the first electrical connector connected to the first plug, and the first elastic member includes a first elastic piece, the first elastic piece is disposed on a sidewall of the first port and is 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.

12. The air curtain machine of claim 1, wherein the ion sheet further comprises a second shell made of an insulating material, the second shell is arranged outside the ion sheet, the ion sheet sequentially comprises a first grounding polar plate, a first medium blocking plate, a first emission polar plate, a second medium blocking plate, a second emission polar plate, a third medium blocking plate and a second grounding polar plate from one side to the other side, the first medium blocking plate and the third medium blocking plate are smaller than the second medium blocking plate in size in the width direction, and the second shell is clamped on the third medium blocking plate, so that the surface of the second shell is flush with the surface of the ion sheet.

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