TW201420221A - Cleaning equipment - Google Patents

Abstract

A cleaning equipment is described, which is suitable for cleaning a transparent protective cover of an optical sensing system. The cleaning equipment includes an injection device, and the injection device includes a vacuum generator and an electromagnetic valve. The vacuum generator includes a nozzle and a tube communicating with the nozzle, and the vacuum generator has a gas inlet and a liquid inlet. When a high pressure gas enters the tube through the gas inlet, a negative pressure is generated, thereby enabling the vacuum generator to draw a liquid through the liquid inlet. The high pressure gas and the liquid are then sprayed to the transparent protective cover through the nozzle. The electromagnetic valve is connected with the vacuum generator to adjust a flow of the liquid entering the vacuum generator.

Description

cleaning equipment

This invention relates to a cleaning apparatus, and more particularly to a cleaning apparatus suitable for cleaning a transparent protective cover of an optical sensing system.

In general, optical sensing systems are used in the processing of coils such as steel, plastic, glass and non-woven coils. For example, in the processing of steel coils, there is a step of rinsing with oil-containing liquid, so the general optical sensing system is provided with a transparent protective cover to prevent the optical instruments in the optical sensing system from being dirty or even damage.

When the optical instrument is dirty, it will hinder the transmission and reception of the optical signal, thereby affecting the normal operation of the optical sensing system, thereby affecting the processing process of the steel coil. Therefore, the transparent protective cover needs to be cleaned frequently to ensure the normal operation of the optical sensing system and the normal processing of the steel coil processing.

However, the current way of cleaning the transparent protective cover is still carried out in an artificial manner and is inefficient. In addition, it is often thought that when the optical sensing system is not working properly, it will be thought that the optical instrument is dirty and needs to be cleaned, but at this time, the steel coil processing process must be suspended to perform the cleaning action, thereby affecting the steel coil. The material processing process is carried out normally.

Accordingly, one aspect of the present invention is to provide a cleaning apparatus that The utility model mainly replaces the transparent protective cover for manually cleaning the optical sensing system by using a spraying device capable of intermittently ejecting a mixed fluid of high-pressure gas and liquid and a simple high-pressure gas to increase efficiency.

According to the above object of the invention, a cleaning apparatus is proposed. This cleaning device is suitable for cleaning the transparent protective cover of the optical sensing system, and the cleaning device comprises a spraying device. This injection device comprises a vacuum generator and a solenoid valve. The vacuum generator includes nozzles and conduits that are in communication with one another and have a gas inlet and a liquid inlet in communication with the conduit. When a high pressure gas enters the conduit via the gas inlet, a negative pressure can be created at the liquid inlet to cause the vacuum generator to draw a liquid through the liquid inlet and spray the high pressure gas and liquid through the nozzle toward the transparent shield. A solenoid valve is engaged with the vacuum generator to regulate the flow of liquid into the vacuum generator.

According to an embodiment of the invention, the cleaning apparatus further includes a gas generator and a gas delivery pipe, wherein the gas delivery pipe communicates with the gas generator and the gas inlet.

According to another embodiment of the present invention, the cleaning apparatus further includes a container and a draft tube, wherein the draft tube communicates with the container and the liquid inlet, and the solenoid valve is disposed on the draft tube.

According to the above object of the present invention, a cleaning apparatus is further proposed. The cleaning device is adapted to clean the transparent protective cover of the optical sensing system, and the cleaning device comprises at least one spraying device. At least one of the injection devices includes a vacuum generating portion and an air knife portion. The vacuum generating portion includes a nozzle and a first pipe that communicate with each other, wherein the vacuum generating portion has a first gas inlet and a liquid inlet in communication with the first pipe. When a first high pressure gas enters the pipeline via the first gas inlet, a negative pressure may be generated at the liquid inlet to allow the vacuum generating portion to pass through The liquid inlet draws a liquid and sprays the first high pressure gas and liquid through the nozzle toward the transparent protective cover. The air knife portion is adjacent to the vacuum generating portion and includes at least one air outlet and a gas chamber. The air chamber is in communication with the at least one air outlet and has a second gas inlet such that a second high pressure gas can enter the air chamber via the second gas inlet and be sprayed from the at least one air outlet toward the transparent protective cover.

According to an embodiment of the present invention, the cleaning apparatus further includes a gas generator, a first gas delivery pipe, and a second gas delivery pipe, wherein the first gas pipe is connected to the gas generator and the first gas inlet, and the second gas pipe is connected to the gas. And a second gas inlet.

In accordance with another embodiment of the present invention, the cleaning apparatus described above further includes a container and a draft tube, wherein the draft tube communicates the container with the liquid inlet.

According to still another embodiment of the present invention, the at least one spraying device comprises a plurality of adjacent spraying devices, and a first three-way valve is disposed between the adjacent spraying devices to connect the first gas pipe The first high pressure gas is split to a first gas inlet of a vacuum generating portion of an adjacent injection device. A second three-way valve is disposed between the adjacent injection devices to divert the second high pressure gas in the second gas delivery pipe to the second gas inlets of the vacuum generating portions of the adjacent injection devices, adjacent to each other A flow conduit is provided between the injection devices to communicate the liquid inlet and the container of the vacuum generating portion of the adjacent injection device.

According to still another embodiment of the present invention, the cleaning apparatus further includes a first quick connector and a second quick connector respectively connecting the first gas inlet and the second gas inlet.

According to still another embodiment of the present invention, the at least one air outlet includes a plurality of air outlet holes, and the air outlet holes are arranged in a straight line.

According to still another embodiment of the present invention, the above cleaning device further comprises a liquid The body passage is adjacent to the vacuum generating portion, and the liquid passage portion has a liquid passage communicating with the liquid inlet.

According to still another embodiment of the present invention, the at least one spraying device comprises a plurality of adjacent vacuum generating portions, and the liquid inlets of the vacuum generating portions are in communication with each other, and the first gas inlets of the vacuum generating portions are connected to each other. .

According to still another embodiment of the present invention, the cleaning apparatus further includes a base body, a first passage, and a second passage, wherein the vacuum generating portion is disposed inside the base body, wherein the vacuum generating portions include a first vacuum generating portion and a second vacuum generating portion, wherein the first passage communicates with the liquid inlet of the first vacuum generating portion and the liquid inlet of the second vacuum generating portion, and the second passage communicates with the first gas inlet and the second vacuum generating portion of the first vacuum generating portion A gas inlet.

According to still another embodiment of the present invention, the air chamber of the air knife portion includes a plurality of air passages, and the air passages communicate with each other, and at least one air outlet of the air knife portion includes a plurality of air outlets, each of which One of the first end portions of the air outlets is in communication with a first end of each of the plurality of air passages, and a first end of each of the air outlet holes has a smaller aperture than each of the plurality of air passages An aperture of one end portion, each of the air outlets forming an opening on a first side of the base body with respect to a second end of the first end portion.

Please refer to FIG. 1 , which is a schematic diagram showing the use state of a cleaning device according to an embodiment of the present invention. This cleaning device 100 is adapted to clean the transparent protective cover 102 of the optical sensing system. This optical sensing system can be, for example, an optical monitoring device. This transparent protective cover 102 is commonly found in coiled materials. In the manufacturing process, for example, in the production of coils of steel, plastic, glass, and non-woven fabrics, and optical instruments 104 that can be used to protect optical sensing systems.

Please refer to FIG. 1 to FIG. 3 simultaneously, wherein FIG. 2 and FIG. 3 are respectively a perspective view and a side view showing a spraying device of a cleaning device according to an embodiment of the present invention. The cleaning device 100 includes an injection device 110. The injection device 110 includes a vacuum generator 112 and a control valve 114. In an embodiment, the control valve 114 can be, for example, a solenoid valve or a pneumatic valve, but is not limited thereto. In one embodiment, the vacuum generator 112 and the control valve 114 are simultaneously mounted on the support frame 120. Through the support frame 120, the entire spray device 110 can be fixed in position.

The vacuum generator 112 includes nozzles 112A and conduits 112B that communicate with each other. The vacuum generator 112 also has a gas inlet 112C and a liquid inlet 112D in communication with the conduit 112B. In an embodiment, as shown in FIG. 1, the cleaning apparatus 100 further includes a gas generator 130 and a gas delivery pipe 140. The gas pipe 140 is connected to the gas generator 130 and the gas inlet 112C. The gas generator 130 can be, for example, an air compressor to generate a high pressure gas.

Control valve 114 is engaged with vacuum generator 112. In an embodiment, as shown in FIG. 1, the cleaning apparatus 100 further includes a container 150 and a draft tube 160, wherein the draft tube 160 communicates with the container 150 and the liquid inlet 112D. Control valve 114 may be provided on draft tube 160 to engage vacuum generator 112 to regulate the flow of liquid into vacuum generator 112.

Referring to FIGS. 1 and 3 together, when the high pressure gas enters the pipe 112B via the gas pipe 140 to the gas inlet 112C, a negative pressure can be generated at the liquid inlet 112D. In this way, the vacuum generator 112 can be used to draw the liquid in the container 150 via the liquid inlet 112D and the draft tube 160 (for example The pure protective cover 102 is cleaned by spraying high pressure gas and liquid through the nozzle 112A toward the transparent protective cover 102. Further, in conjunction with intermittently controlling the opening or closing of the control valve 114, the nozzle 112A can intermittently eject a fluid in which a high-pressure gas is mixed with a liquid or a simple high-pressure gas. In this way, after the transparent protective cover 102 is cleaned by the fluid mixed with the high-pressure gas and the liquid, the liquid remaining on the transparent protective cover 102 can be removed by a simple high-pressure gas to dry the surface of the transparent protective cover 102. If the liquid remaining on the transparent protective cover 102 is not removed, it is easier to generate scale on the surface of the transparent protective cover 102.

Please refer to FIG. 4 to FIG. 7 , wherein FIG. 4 is a schematic structural view of a cleaning device according to another embodiment of the present invention, and FIG. 5 to FIG. 7 respectively illustrate the cleaning device. The spray device has a top perspective view, a side perspective view, and a perspective view. In this embodiment, the cleaning apparatus 200 includes at least one injection device 210. Each of the injection devices 210 includes a vacuum generating portion 212 and an air knife portion 214. In an embodiment, the vacuum generating portion 212 and the air knife portion 214 may be disposed on the base 216.

As shown in FIGS. 5 and 6, in the injection device 210, the vacuum generating portion 212 includes nozzles 212A and a first duct 212B that communicate with each other. The vacuum generating portion 212 also has a first gas inlet 212C and a liquid inlet 212D that communicate with the first conduit 212B. In an embodiment, as shown in FIG. 4, the cleaning apparatus 200 further includes a gas generator 220 and a first gas delivery pipe 230, wherein the first gas delivery pipe 230 communicates with the gas generator 220 and the first gas inlet 212C. Moreover, in an embodiment, the cleaning apparatus 200 can further include a container 240 and a draft tube 250, wherein the draft tube 250 communicates with the container 240 and the liquid inlet 212D. In practical applications, if the container 240 is in a liquid Above the inlet 212D, a control valve 250A can be provided on the draft tube 250 to prevent the liquid from flowing out of the nozzle 212A via the first conduit 212B at an inappropriate timing due to gravity. In an embodiment, the control valve 250A can be, for example, a solenoid valve, a pneumatic valve, or a pressure flap, wherein the pressure flap has the advantage of being automatically opened or closed as pressure changes.

Referring to FIG. 4 and FIG. 5 together, when the first high-pressure gas is generated from the gas generator 220 and flows through the first gas pipe 230 to the first gas inlet 212C and enters the first pipe 212B, the liquid can be in the liquid. The inlet 212D generates a negative pressure. Therefore, the vacuum generating unit 212 can suck the liquid stored in the container 240 through the liquid inlet 212D and the draft tube 250, and spray the first high-pressure gas and the liquid to the transparent protective cover 102 via the nozzle 212A (refer to FIG. 1 Show).

Referring again to FIGS. 5 and 6, in the spray device 210, the air knife portion 214 is adjacent to the vacuum generating portion 212 and includes at least one air outlet 214A and a gas chamber 214B. The air chamber 214B is in communication with the air outlet 214A and has a second gas inlet 214C. In an embodiment, as shown in FIG. 4, the cleaning apparatus 200 may further include a second gas delivery pipe 260, wherein the second gas delivery pipe 260 is in communication with the gas generator 220 and the second gas inlet 214C. Thereby, the second high-pressure gas can pass through the second gas delivery pipe 260, enter the gas cell 214B via the second gas inlet 214C, and be ejected from the gas outlet hole 214A to the transparent protective cover 102 (refer to FIG. 1).

In addition, referring to FIG. 4 and FIG. 5, the user can mix the high pressure gas and the liquid by adjusting whether the first high pressure gas and the second high pressure gas respectively enter the vacuum generating portion 212 and the air knife portion 214. The gas and the simple high-pressure gas are intermittently sprayed onto the transparent protective cover 102 (please refer to the first Figure shows). Furthermore, as shown in FIG. 4, in an embodiment, solenoid valves 230A and 260A may be respectively disposed on the first gas delivery pipe 230 and the second gas delivery pipe 260 to adjust the first high pressure gas and the second high pressure gas. Traffic.

Referring to FIG. 4, FIG. 5 and FIG. 7 simultaneously, in an embodiment, the cleaning apparatus 200 may further include a liquid passage portion 218 adjacent to the vacuum generating portion 212, and the liquid passage portion 218 has a liquid passage 218A. It is in communication with the liquid inlet 212D. Thereby, the liquid inlet 212D can be communicated to one side of the base body 216 provided with the first gas inlet 212C and the second gas inlet 214C to facilitate assembly of the draft tube 250, the first gas delivery tube 230 and the second gas delivery tube 260.

Referring again to FIGS. 4 and 5, in an embodiment, the cleaning apparatus 200 is further selectively provided with a first quick connector 202 and a second quick connector 204. The first quick connector 202 and the second quick connector 204 are connected to the first gas inlet 212C and the second gas inlet 214C, respectively, to assemble the first gas pipe 230 to the first gas inlet 212C, and to assemble the second gas pipe 260 to Second gas inlet 214C.

Referring to FIGS. 5 and 7, at least one air outlet 214A may include a plurality of air outlets. The air outlets 214A may be arranged in a straight line to facilitate cleaning of the rectangular transparent protective cover 102 (refer to FIG. 1). In another embodiment, the air outlet 214A can also be an elongated hole.

Referring to Figures 4 and 5, in an embodiment, the cleaning apparatus 200 can include a plurality of adjacent ejection devices 210. A first three-way valve 206 may be disposed between adjacent injection devices 210 to divert the first high pressure gas in the first gas delivery pipe 230 to the vacuum generation of the adjacent injection device 210. The first gas inlet 212C of the portion 212. In addition, a second three-way valve 208 may be disposed between the adjacent injection devices 210 to divert the second high pressure gas in the second gas delivery pipe 260 to the second vacuum generation portion 212 of the adjacent injection device 210. Gas inlet 214C.

Guide tubes 250 and 270 may be provided between adjacent injection devices 210. The draft tubes 250 and 270 respectively communicate with the liquid inlet 212D of the vacuum generating portion 212 of the adjacent spraying device 210 and the container 240. Although only two ejection devices 210 are shown in Fig. 4, in practice, the number of ejection devices 210 can be adjusted depending on the needs of use. In the cleaning apparatus 200, adjacent injection devices 210 may share solenoid valves 230A and 260A.

Due to the high cost of the solenoid valve, with this design, as the number of injection devices 210 of the cleaning device 200 increases, more cost can be saved.

Referring to FIG. 8 and FIG. 9 , FIG. 8 and FIG. 9 are respectively a perspective view showing an internal structure of a spray device of a cleaning device according to still another embodiment of the present invention, and another perspective view. A three-dimensional schematic diagram of the internal structure. In this embodiment, the spray device 310 includes a plurality of adjacent vacuum generating portions. In an embodiment, as shown in FIG. 8, the vacuum generating portions may include a first vacuum generating portion 312 and a second vacuum generating portion 314. The liquid inlet 312A of the first vacuum generating portion 312 and the liquid inlet 314A of the second vacuum generating portion 314 are in communication with each other. As shown in Fig. 9, the first gas inlet 312B of the first vacuum generating portion 312 and the first gas inlet 314B of the second vacuum generating portion 314 are also in communication with each other.

Referring again to FIGS. 8 and 9, the cleaning apparatus of this embodiment further includes a base 320. In an embodiment, the substrate 320 can be, for example, The rectangular body includes opposite first side 321 and second side 322, opposite third side 323 and fourth side 324, and opposite fifth side 325 and sixth side 326. The first side surface 321 is adjacent to the third side surface 323, the fourth side surface 324, the fifth side surface 325, and the sixth side surface 326, and the fourth side surface 324 and the first side surface 321, the second side surface 322, the fifth side surface 325, and the The six sides 326 are adjacent.

The vacuum generating portions 312 and 314 are provided inside the base body 320. The first body 327 and the second channel 328 are also disposed inside the base body 320. The first channel 327 communicates with the liquid inlet 312A of the first vacuum generating portion 312 and the liquid inlet 314A of the second vacuum generating portion 314, and the second channel 328 communicates with the first gas inlet 312B of the first vacuum generating portion 312 and the second vacuum. The first gas inlet 314B of the generating portion 314.

It is worth mentioning that, in an embodiment, the first channel 327 can include, for example, a first channel 327A and a second channel 327B that are in communication with each other, and is generally "T" shaped. The first hole 327A penetrates through the base 320. The two ends of the first hole 327A form an opening 327C and 327D on the third side 323 and the fourth side 324, respectively. And one end of the second hole 327B communicates with the first hole 327A, and the other end forms an opening 327E on the second side surface 322. The second channel 328 can include, for example, a third channel 328A and a fourth channel 328B that are in communication with each other and are generally "T" shaped. The third tunnel 328A extends through the base 320. The two ends of the third tunnel 328A form openings 327C and 327D on the third side 323 and the fourth side 324, respectively. And one end of the fourth tunnel 328B communicates with the third tunnel 328A, and the other end forms an opening 328E on the second side 322.

By this design, the liquid can be accessed by the liquid inlet 312A or 314A. The first vacuum generating portion 312 and the second true generating portion 314 may also enter through the openings 327C, 327D or 327E. Similarly, the first high pressure gas may enter the first vacuum generating portion 312 and the second true generating portion 314 by the first gas inlet 312B or 314B, and may also enter through the opening 328C, 328D or 328E. In this way, when the user installs the spraying device 310, in addition to the liquid inlets 312A and 314A and the first gas inlets 312B and 314B, the appropriate opening can be selected to connect the draft tube or the gas pipe according to the needs of the environment, and Unused openings are closed with a plug (not shown) for easy installation. Moreover, by this design, the first vacuum generating portion 312 and the second vacuum generating portion 314 can also share a draft tube and an oil tube to simplify the configuration of the draft tube and the gas tube.

In addition, in one embodiment, the first tunnel 327A, the second tunnel 327B, the third tunnel 328A, and the fourth tunnel 328B can be manufactured by drilling machine processing, and the processing is also relatively simplified.

Furthermore, please refer to FIG. 8 and FIG. 9. In this embodiment, the air chamber 316A of the air knife portion 316 includes a plurality of air passages 316B, and the air passages 316B communicate with each other. Further, at least one of the air outlets 316C of the air knife portion 316 includes a plurality of air outlet holes. Each of the air outlets 316C has a first end 316C' that communicates with the first end 316B' of each of the vents 316B. And the aperture of the first end 316C' of each air vent 316C is smaller than the aperture of the first end 316B' of each vent 316B. Each of the air outlets 316C defines an opening 316D on a first side 321 of the base 320 with respect to the first end 316C' and a second end 316C". Further, in an embodiment, the vent 316B, Both the air holes 316C and the opening 316D can be manufactured by drilling machine processing, so that the processing of the air knife portion 316 can be relatively simple. Chemical.

It should be noted that Figs. 8 and 9 are perspective views of the internal structure of the spraying device 310 of this embodiment for the purpose of facilitating the expression of the internal structure of the spraying device 310. However, in practice, the base body 320 can be a solid rectangular body and then processed by a drill press to fabricate the first passage 327, the second passage 328, and the air knife portion 316 inside the base 320.

It can be seen from the above embodiments that one of the advantages of the cleaning device of the present invention is that the transparent protection of the optical sensing system is manually replaced by a spraying device capable of intermittently discharging a mixed gas of a high pressure gas and a liquid and a simple high pressure gas. Cover, which increases efficiency.

It can be seen from the above embodiments that one of the advantages of the cleaning device of the present invention is that the injection device is regulated by a solenoid valve, and the solenoid valve can be controlled by the control circuit, so that the cleaning device can be started periodically for cleaning. Avoid human error.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧Cleaning equipment

102‧‧‧Transparent protective cover

104‧‧‧Optical instruments

110‧‧‧Injection device

112‧‧‧Vacuum generator

112A‧‧‧Nozzles

112B‧‧‧ Pipes

112C‧‧‧ gas inlet

112D‧‧‧Liquid inlet

114‧‧‧Control valve

120‧‧‧Support frame

130‧‧‧ gas generator

140‧‧‧ gas pipeline

150‧‧‧ container

160‧‧‧drain tube

200‧‧‧ cleaning equipment

202‧‧‧First quick connector

204‧‧‧Second quick connector

206‧‧‧ first three-way valve

208‧‧‧ second three-way valve

210‧‧‧Spray device

212‧‧‧ Vacuum Generation Department

212A‧‧‧ nozzle

212B‧‧‧First Pipe

212C‧‧‧First gas inlet

212D‧‧‧Liquid inlet

214‧‧‧ Air Knife Department

214A‧‧‧ at least one vent

214B‧‧‧ air chamber

214C‧‧‧Second gas inlet

216‧‧‧ base

218‧‧‧Liquid channel

218A‧‧‧Liquid channel

220‧‧‧ gas generator

230‧‧‧First gas pipeline

230A‧‧‧ solenoid valve

240‧‧‧ container

250‧‧‧drain tube

250A‧‧‧Control valve

260‧‧‧Second gas pipeline

260A‧‧‧ solenoid valve

270‧‧‧drain tube

310‧‧‧Spray device

312‧‧‧First Vacuum Generation Department

312A‧‧‧Liquid inlet

312B‧‧‧First gas inlet

314‧‧‧Second Vacuum Generation Department

314A‧‧‧Liquid inlet

314B‧‧‧First gas inlet

316‧‧‧ Air Knife Department

316A‧‧ gas chamber

316B‧‧‧ Ventilation tunnel

316B’‧‧‧ first end

316C‧‧‧ Vents

316C’‧‧‧ first end

316C”‧‧‧second end

316D‧‧‧ openings

320‧‧‧ base

321‧‧‧ first side

322‧‧‧ second side

323‧‧‧ third side

324‧‧‧ fourth side

325‧‧‧ fifth side

326‧‧‧ sixth side

327‧‧‧First Passage

327A‧‧‧ first tunnel

327B‧‧‧Second hole

327C‧‧‧ openings

327D‧‧‧ openings

327E‧‧‧ openings

328‧‧‧second channel

328A‧‧‧ third tunnel

328B‧‧‧4th tunnel

328C‧‧‧ openings

328D‧‧‧ openings

328E‧‧‧ openings

The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; schematic diagram.

2 is a view showing a cleaning device according to an embodiment of the present invention. A schematic view of a spray device.

3 is a side elevational view of a spray device of a cleaning apparatus in accordance with an embodiment of the present invention.

4 is a schematic view showing the structure of a cleaning device according to another embodiment of the present invention.

Figure 5 is a top perspective view of a spray device of a cleaning apparatus in accordance with another embodiment of the present invention.

Figure 6 is a side perspective view showing a spray device of a cleaning apparatus in accordance with another embodiment of the present invention.

Figure 7 is a perspective view showing a spraying device of a cleaning device in accordance with another embodiment of the present invention.

Figure 8 is a perspective view showing the internal structure of a spray device of a cleaning device according to still another embodiment of the present invention.

Figure 9 is a perspective view showing the internal structure of another view of the spraying device of the cleaning device according to still another embodiment of the present invention.

100‧‧‧Cleaning equipment

102‧‧‧Transparent protective cover

104‧‧‧Optical instruments

110‧‧‧Injection device

112‧‧‧Vacuum generator

112C‧‧‧ gas inlet

112D‧‧‧Liquid inlet

114‧‧‧Control valve

120‧‧‧Support frame

130‧‧‧ gas generator

140‧‧‧ gas pipeline

150‧‧‧ container

160‧‧‧drain tube

Claims (13)

A cleaning device for cleaning a transparent protective cover of an optical monitoring device, and the cleaning device comprises: a spraying device comprising: a vacuum generator comprising one nozzle and a pipe communicating with each other, wherein the vacuum generator has a gas inlet and a liquid inlet connected to the conduit, and when a high pressure gas enters the conduit via the gas inlet, a negative pressure is generated at the liquid inlet to cause the vacuum generator to draw a liquid through the liquid inlet And spraying the high pressure gas and the liquid through the nozzle toward the transparent protective cover; and a control valve engaged with the vacuum generator to regulate a flow rate of the liquid entering the vacuum generator. The cleaning device of claim 1, further comprising a gas generator and a gas pipe, wherein the gas pipe communicates with the gas generator and the gas inlet. The cleaning device of claim 1, further comprising a container and a draft tube, wherein the draft tube communicates with the container and the liquid inlet, and the control valve is disposed on the draft tube. A cleaning device for cleaning a transparent protective cover of an optical monitoring device, and the cleaning device comprises: at least one spraying device comprising: The at least one vacuum generating portion includes one nozzle and a first pipe connected to each other, wherein the vacuum generating portion has a first gas inlet and a liquid inlet connected to the first pipe, when a first high pressure gas passes through the first When a gas inlet enters the pipeline, a negative pressure may be generated at the liquid inlet to cause the vacuum generating portion to suck a liquid through the liquid inlet, and spray the first high pressure gas and the liquid through the nozzle toward the transparent a protective cover; and an air knife portion adjacent to the vacuum generating portion, and comprising at least one air outlet and a gas chamber, wherein the air chamber is in communication with the at least one air outlet and has a second gas inlet to make a second The high pressure gas can enter the gas chamber through the second gas inlet and be sprayed from the at least one gas outlet toward the transparent protective cover. The cleaning device of claim 4, further comprising a gas generator, a first gas delivery pipe, and a second gas delivery pipe, wherein the first gas delivery pipe communicates with the gas generator and the first gas inlet, the second A gas pipe connects the gas generator to the second gas inlet. The cleaning device of claim 5, further comprising a container and a draft tube, wherein the flow tube communicates with the container and the liquid inlet. The cleaning apparatus of claim 6, wherein the at least one spraying device comprises a plurality of adjacent spraying devices, and a first three-way valve is disposed between the adjacent ones of the spraying devices to Discharging the first high pressure gas in the gas pipe to the adjacent ones of the jets The first gas inlets of the vacuum generating portions of the device; a second three-way valve is disposed between the adjacent injection devices to divert the second high pressure gas in the second gas pipe to the phase Adjacent to the second gas inlets of the vacuum generating portions of the spraying devices; and adjacent ones of the spraying devices are provided with a draft tube connecting the vacuum generating portions of the adjacent spraying devices The liquid inlets and the container. The cleaning device of claim 4, further comprising a first quick connector and a second quick connector respectively connecting the first gas inlet and the second gas inlet. The cleaning device of claim 4, wherein the at least one air outlet comprises a plurality of air outlets, and the air outlets are arranged in a straight line. The cleaning device of claim 4, further comprising a liquid passage portion adjacent to the vacuum generating portion, and the liquid passage portion has a liquid passage communicating with the liquid inlet. The cleaning apparatus of claim 4, wherein the at least one spraying device comprises a plurality of adjacent vacuum generating portions, and the liquid inlets of the vacuum generating portions are in communication with each other; and the vacuum generating portions The first gas inlets are in communication with each other. The cleaning device of claim 11, further comprising a substrate, wherein the interior of the substrate is provided with: the vacuum generating portions, wherein the vacuum generating portions comprise a first vacuum generating portion and a second vacuum generating portion; a first passage connecting the liquid inlet of the first vacuum generating portion and the liquid inlet of the second vacuum generating portion; and a second passage connecting the first gas inlet of the first vacuum generating portion with the first passage The first gas inlet of the second vacuum generating portion. The cleaning device of claim 12, wherein the air chamber of the air knife portion includes a plurality of air passages, and the air passages are in communication with each other; and the at least one air outlet of the air knife portion includes a plurality of air outlets a first end of each of the plurality of venting holes communicating with a first end of each of the venting holes, and a diameter of the first end of each of the venting holes is smaller than each of the holes The apertures of the first ends of the vents, each of the vents forming an opening on a first side of the substrate with respect to a second end of the first end.