CN208466655U - A kind of portable air-conditioning cleaning device - Google Patents
A kind of portable air-conditioning cleaning device Download PDFInfo
- Publication number
- CN208466655U CN208466655U CN201820734646.6U CN201820734646U CN208466655U CN 208466655 U CN208466655 U CN 208466655U CN 201820734646 U CN201820734646 U CN 201820734646U CN 208466655 U CN208466655 U CN 208466655U
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- China
- Prior art keywords
- liquid
- cleaning
- thimerosal
- cleaning solution
- spray
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of portable air-conditioning cleaning devices, including for providing cleaning solution or thimerosal and the cleaning solution or thimerosal being driven to spray to clean the host of air-conditioning;It connect and the cleaning solution for receiving the host or thimerosal and sprays to clean the automatically controlled cleaning spray gun of air-conditioning with the host;The heat gun of clean the surface is electrically connected and is used to dry up with the host;Power supply and water pump is arranged in the utility model on the host of air conditioner cleaning device, make user that the air conditioner cleaning device also can be used in the case where no external power supply or compressed air to clean, the adaptability of air conditioner cleaning device use occasion is enhanced, carrying and using for user is facilitated.
Description
Technical field
The utility model relates to electromechanical integration equipment technical fields, more specifically, it relates to a kind of portable air-conditioning
Cleaning device.
Background technique
Currently, car air-conditioner and domestic air conditioning rapid proliferation, with the deterioration of natural environment, sky no matter what type
It adjusts, it is a large amount of dirty by dust blocking, the long mould of evaporator, blower wheel attachment all to face strainer in use for some time
The problems such as object, therefore, it is necessary to be cleaned.
Currently, in the market there are mainly two types of popular Duct cleaning equipments: one is using calandria by the water in container
Heating generates steam (or hot gas), and steam (or hot gas) is ejected into clean surface, will be empty using steam (or hot gas)
Tune cleans up;But this equipment consumption power is very big, is unfavorable for some to provide the occasion of large power-consuming equipment
The use of (for example having the occasions such as the students' dormitory of power limit to electrical equipment);It is another then be using compressed air will clean
Liquid (or thimerosal) is sprayed onto clean surface, and still, this equipment needs to clean place and provides compressed air, therefore, only
It can use in the specific occasion such as automobile maintenance workshop, be limited by using area.
Therefore, the prior art could be improved and develop.
Utility model content
Problem to be solved in the utility model is, in view of the above drawbacks of the prior art, provides a kind of portable air-conditioning
Cleaning device, it is intended to by the way that power supply and water pump are arranged on the host of air conditioner cleaning device, make user in no external power supply or
Also air conditioner cleaning device can be used in the case where compressed air to be cleaned, the adaptation of air conditioner cleaning device use occasion is enhanced
Property, facilitate carrying and using for user.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of portable air-conditioning cleaning device provided by the utility model, wherein include:
For providing cleaning solution or thimerosal and the cleaning solution or thimerosal being driven to spray to clean the host of air-conditioning;
It connect and the cleaning solution for receiving the host or thimerosal and sprays to clean the electricity of air-conditioning with the host
Control cleaning spray gun;
The heat gun of clean the surface is electrically connected and is used to dry up with the host.
Further, the portable air-conditioning cleaning device, wherein the host includes cleaning solution liquid reserve tank;
The thimerosal liquid reserve tank being set side by side with the cleaning solution liquid reserve tank;
The surface of the thimerosal liquid reserve tank is set and for driving cleaning solution or thimerosal with to the automatically controlled cleaning
The driving device that spray gun sprays;
The control device of the driving device is electrically connected and is used to control with the driving device;
And the surface of the thimerosal liquid reserve tank is set and for placing the automatically controlled cleaning spray gun and heat gun
Repository.
Further, the portable air-conditioning cleaning device, wherein the driving device includes being used to provide the described master
The host power supply of electro-mechanical force;
It is electrically connected with the host power supply and for drawing cleaning solution or the thimerosal in the cleaning solution liquid reserve tank
Thimerosal in liquid reserve tank is simultaneously exported to the water pump of the automatically controlled cleaning spray gun;
And the liquid for the cleaning solution or thimerosal for being fixedly connected with the water pump and being used to switch the water pump absorption is cut
Change solenoid valve.
Further, the portable air-conditioning cleaning device, wherein the water pump includes the water feeding of water pump for water inlet
Mouthful and for water outlet hose, the hose is fixedly connected with the automatically controlled cleaning spray gun, the pump intake and the liquid
Body switching solenoid valve is fixedly connected.
Further, the portable air-conditioning cleaning device, wherein the cleaning solution liquid reserve tank includes cleaning solution liquid feeding
Hole, and the cleaning liquid straw for drawing cleaning solution in the cleaning solution liquid reserve tank, one end of the cleaning liquid straw and institute
It states liquid switching solenoid valve to be fixedly connected, the other end of the cleaning liquid straw extends to the bottom of the cleaning solution liquid reserve tank.
Further, the portable air-conditioning cleaning device, wherein the thimerosal liquid reserve tank includes thimerosal liquid feeding
Hole, and the disinfection liquid straw for drawing thimerosal in the thimerosal liquid reserve tank, one end of the disinfection liquid straw and institute
It states liquid switching solenoid valve to be fixedly connected, the other end of the disinfection liquid straw extends to the bottom of the thimerosal liquid reserve tank.
Further, the portable air-conditioning cleaning device, wherein the automatically controlled cleaning spray gun includes for switching spray
The spray pattern switching solenoid valve of liquid shape;
The fan-shaped spray nozzle connecting tube and cylindricality spray nozzle connecting tube being fixedly connected with the spray pattern switching solenoid valve;
It is fixedly connected with the fan-shaped spray nozzle connecting tube and is used to spray the fan-shaped spray nozzle of fan-shaped liquid;
And the cylindricality spray nozzle of cylindricality liquid is fixedly connected with and is used to spray with the cylindricality spray nozzle connecting tube;
The spray pattern switching solenoid valve is fixedly connected with the hose of water pump.
Further, the portable air-conditioning cleaning device, wherein the control device includes power switch, liquid
Switching switch, driving communication module, display screen and control panel, the power switch, liquid switching switch, driving communication module
And display screen is electrically connected with the control panel respectively, the control panel is electrically connected to the drive.
Further, the portable air-conditioning cleaning device, wherein the automatically controlled cleaning spray gun further includes that gun body is opened
Close, gun body power supply and communication module, the gun body switch and communication module respectively with gun body power electric connection, the communication mould
The driving communication module of block and control device is wirelessly connected.
Further, the portable air-conditioning cleaning device, wherein the liquid switching solenoid valve and spray pattern are cut
Changing solenoid valve is two-bit triplet structural formula solenoid valve.
The utility model has the following beneficial effects: the utility model makes air-conditioning due to using host power supply and water pump
Cleaning device can be used without external power supply or compressed air, enhance the adaptability of air conditioner cleaning device use occasion, with
And by power supply and communication module will be arranged in automatically controlled cleaning spray gun and heat gun, make automatically controlled cleaning spray gun and heat gun without attached
Powering up line and signal wire can be attached with host, realize the intelligentized control method of air conditioner cleaning device, facilitate user
Carry and use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model portable air-conditioning cleaning device.
Fig. 2 is the structural schematic diagram of the utility model host.
Fig. 3 is the structural schematic diagram of the utility model cleaning solution liquid reserve tank and thimerosal liquid reserve tank.
Fig. 4 is the connection schematic diagram of the utility model water pump, automatically controlled cleaning spray gun and liquid switching solenoid valve.
Fig. 5 is the cross-sectional view of the automatically controlled cleaning spray gun of the utility model.
Fig. 6 is the structural schematic diagram of the utility model control device.
In figure: host 10, automatically controlled cleaning spray gun 20, heat gun 30, driving device 40, host power supply 110, water pump 120, liquid
Body switching solenoid valve 130, hose 131, cleaning solution liquid reserve tank 140, cleaning solution liquid filling hole 141, repository 150, control device
160, power switch 161, liquid switching switch 162, driving communication module 163, display screen 164, control panel 165, thimerosal storage
Liquid case 170, thimerosal liquid filling hole 171, fan-shaped spray nozzle 210, column spray nozzle 220, communication module 230, column spray nozzle connect
It is adapter tube 240, spray pattern switching solenoid valve 250, gun body switch 260, fan-shaped spray nozzle connecting tube 270, gun body power supply 280, clear
Washing lotion suction pipe A, disinfection liquid straw B, pump intake C.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment: as shown in Figure 1, a kind of portable air-conditioning cleaning device provided by the utility model, including host 10, electricity
Control cleaning spray gun 20, heat gun 30;The automatically controlled cleaning spray gun 20 is connect with the host 10, the heat gun 30 and the master
Machine 10 is electrically connected;The host 10 is for providing cleaning solution or thimerosal and the cleaning solution or thimerosal being driven to spray to sky
Transfer in capable cleaning;The automatically controlled cleaning spray gun 20 is used to receive the cleaning solution that the host 10 conveys or thimerosal and sprays with right
Cleaning air conditioner;The heat gun 30 is for drying up clean the surface.
As shown in Fig. 2, the host 10 includes cleaning solution liquid reserve tank 140, thimerosal liquid reserve tank 170, driving device 40, control
Device 160 and repository 150 processed;
The cleaning solution liquid reserve tank 140 is for storing cleaning solution, and the thimerosal liquid reserve tank 170 is for storing thimerosal.
The thimerosal liquid reserve tank 170 is set side by side with the cleaning solution liquid reserve tank 140, and the cleaning solution liquid reserve tank
140 and the bottom surface of thimerosal liquid reserve tank 170 be disposed as inclined-plane, by by the cleaning solution liquid reserve tank 140 and thimerosal liquid storage
The bottom surface of case 170 is set as inclined-plane, it is ensured that the liquid in the cleaning solution liquid reserve tank 140 and thimerosal liquid reserve tank 170 exists
It is blotted as much as possible when use;Two inclined-planes are bonded a V-type face, are additionally provided with 4 wheels at the edge in the V-type face
Son, for user using when air conditioner cleaning device moved to required position.
The surface of the thimerosal liquid reserve tank 170 is provided with driving device 40, the driving device 40 is clear for driving
Washing lotion or thimerosal to the automatically controlled cleaning spray gun 20 to spray;
The control device 160 is electrically connected with the driving device 40, and the control device 160 is used to fill the driving
Set 40 carry out electric control;
It is additionally provided with repository 150 on the surface of the thimerosal liquid reserve tank 170, the repository 150 is for placing institute
State automatically controlled cleaning spray gun 20 and heat gun 30.
The driving device 40 includes host power supply 110, water pump 120 and liquid switching solenoid valve 130;The water pump 120
It is electrically connected with the host power supply 110, the liquid switching solenoid valve 130 is fixedly connected with the water pump 120;
The host power supply 110 be low voltage DC motor, for the water pump 120, liquid switching solenoid valve 130 and
Control device 160 provides the direct current of low pressure, high current, and the host power supply 110 is also electrically connected with the heat gun 30, gives institute
It states heat gun 30 and high current is provided, to guarantee the heat gun 30 quickly drying clean the surface;
The water pump 120 is used to draw in the cleaning solution or thimerosal liquid reserve tank 170 in the cleaning solution liquid reserve tank 140
Thimerosal, and cleaning solution or thimerosal are conveyed to the automatically controlled cleaning spray gun 20.
The liquid switching solenoid valve 130 is for cleaning solution or thimerosal that the water pump 120 is currently drawn to be switched to
Thimerosal or cleaning solution;The liquid switching solenoid valve 130 is two-bit triplet structural formula solenoid valve, can by switching electric control
Thimerosal or cleaning solution are switched to the liquid for being drawn water pump 120.
As shown in figure 3, the cleaning solution liquid reserve tank 140 includes cleaning solution liquid filling hole 141 and cleans liquid straw A, it is described
One end of cleaning liquid straw A is fixedly connected with the liquid switching solenoid valve 130, and the other end of the cleaning liquid straw A extends
To the bottom of the cleaning solution liquid reserve tank 140.
The thimerosal liquid reserve tank 170 includes thimerosal liquid filling hole 171 and disinfection liquid straw B, the disinfection liquid straw
One end of B is fixedly connected with the liquid switching solenoid valve 130, and the other end of the disinfection liquid straw B extends to the disinfection
The bottom of liquid liquid reserve tank 170.
As shown in figure 4, the water pump 120 includes pump intake C and hose 131, the hose 131 is sprayed with automatically controlled cleaning
Rifle 20 is fixedly connected, and the pump intake C is fixedly connected with the liquid switching solenoid valve 130.
The water pump 120 draws cleaning solution or thimerosal from liquid switching solenoid valve 130, and by cleaning solution or disinfection
Liquid is transported in automatically controlled cleaning spray gun 20;The water pump 120 is not also with pressure control device (figure indicates), when water outlet pressure mistake
Gao Shi automatically cuts off electric current, is protected.
As shown in figure 5, the automatically controlled cleaning spray gun 20 includes fan-shaped spray nozzle 210, fan-shaped spray nozzle connecting tube 270, column
Shape spray nozzle 220, cylindricality spray nozzle connecting tube 240 and spray pattern switching solenoid valve 250;The spray pattern switching solenoid valve
250 are fixedly connected with the hose 131, the sector spray nozzle connecting tube 270, cylindricality spray nozzle connecting tube 240 respectively with institute
It states spray pattern switching solenoid valve 250 to be fixedly connected, the cylindricality spray nozzle 220 and the cylindricality spray nozzle connecting tube 240 are solid
Fixed connection, the sector spray nozzle 210 are fixedly connected with the fan-shaped spray nozzle connecting tube 270.
The spray pattern switching solenoid valve 250 is used to for the liquid form that water pump 120 conveys to be switched to fan-shaped or cylindricality,
Fan-shaped liquid is then to be sprayed by fan-shaped spray nozzle connecting tube 270 by fan-shaped spray nozzle 210, and cylindricality liquid is sprayed by cylindricality
Liquid mouth connecting tube 240 is sprayed by cylindricality spray nozzle 220;The spray pattern switching solenoid valve 250 is two-bit triplet structural formula electricity
The liquid that water pump 120 is exported can be switched output channel by switching electric control, with fan-shaped liquid or cylindricality liquid by magnet valve
Body sprays.
The automatically controlled cleaning spray gun 20 further includes gun body switch 260, gun body power supply 280 and communication module 230, the rifle
Body switch 260 and communication module 230 are electrically connected with gun body power supply 280 respectively, the communication module 230 also with the control device
160 driving communication module 163 is wirelessly connected.
The gun body switch 260 is self-recovering type button switch, and on-off signal is transferred to host 10 through communication module 230
Control device, to realize to the control system of switching on or off electricity of water pump 120.
By gun body power supply 280 and communication module 230 will be arranged in the automatically controlled cleaning spray gun 20, make the automatically controlled cleaning
Spray gun 20 is self-powered, and can be wirelessly connected between host 10, eliminates additional connecting line, facilitates user's
It carries and uses.
As shown in fig. 6, the control device 160 includes power switch 161, liquid switching switch 162, driving communication module
163, display screen 164 and control panel 165, the power switch 161, drive communication module 163 and show liquid switching switch 162
Display screen 164 is electrically connected with the control panel 165 respectively, and the control panel 165 is electrically connected with driving device 40.
The control panel 165 is Arduino UNO control panel, belongs to open source hardware, interior loading pre-set programs, Ke Yigen
According to different input signals, intelligent control instruction is sent.
The driving communication module 163 is used to receive control instruction from control panel 165, and directly drives each on host 10
Actuator (liquid switching solenoid valve 130, water pump 120 etc.);The driving communication module 163 is also logical with automatically controlled cleaning spray gun 20
Believe that module 230 is realized and is wirelessly connected (modes such as bluetooth or wi-fi).
The display screen 164 is used to show working condition (such as supply voltage, working time, the communications status of current device
Etc. information) and operation indicating.
The power switch 161 is Self-locking button switch, and the liquid switching switch 162 is to be allocated to formula rotary switch.
Working principle:
It is drawn in cleaning solution or thimerosal liquid reserve tank 170 in cleaning solution liquid reserve tank 140 by the water pump 120 of host 10
Thimerosal changes liquid form by automatically controlled cleaning spray gun 20 and sprays through the output of hose 131 to automatically controlled cleaning spray gun 20;Wherein, it cuts
It changes cleaning solution or thimerosal to be switched over by the liquid switching solenoid valve 130 in host 10, changes spray pattern by automatically controlled cleaning
Spray pattern switching solenoid valve 250 in spray gun 20 switches over;The included host power supply 110 of host 10 is to water pump 120 and control
Device 160 processed is powered, and control device carries out electric control to host 10;It is right that automatically controlled cleaning spray gun 20 carries gun body power supply 280
Spray pattern switching solenoid valve 250 and communication module 230 are powered, 160 nothing of control device of communication module 230 and host 10
Line connection, and it is controlled by control device 160.
Application method:
1. connecting the power switch on host, device default enters " cleaning solution injection " mode, picks up automatically controlled cleaning spray gun
It is directed at air-conditioning surface to be cleaned, presses the gun body switch of automatically controlled cleaning spray gun, the control device on host receives the switch and connects
After messenger, start water pump, and control spray pattern switching solenoid valve and be switched to fan-shaped spray nozzle, automatically controlled cleaning spray gun is to clear
Eject fan-shaped misty cleaning solution in clean surface.
2. after having cleaned, waiting preset time, device controls liquid automatically into " thimerosal injection " mode, control device
Body switching solenoid valve is switched to thimerosal, while emitting signal to automatically controlled cleaning spray gun, and control spray pattern switching solenoid valve is cut
Cylindricality spray nozzle is changed to, thimerosal, which is in the form of a column, under the mode is ejected into face to be cleaned, can be by soil and remaining cleaning solution
It rinses well.
3. after having sterilized, opening heat gun and drying up clean the surface.
In conclusion the utility model has the following beneficial effects: the utility model is due to using host power supply and water
Pump can be used air conditioner cleaning device i.e. without external power supply or compressed air, enhance air conditioner cleaning device use occasion
Adaptability, and by power supply and communication module will be arranged in automatically controlled cleaning spray gun and heat gun, make automatically controlled cleaning spray gun and heat
Air pressure gun can be attached without additional supply line and signal wire with host, realize the intelligentized control method of air conditioner cleaning device,
Facilitate carrying and using for user.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (10)
1. a kind of portable air-conditioning cleaning device characterized by comprising
For providing cleaning solution or thimerosal and the cleaning solution or thimerosal being driven to spray to clean the host of air-conditioning;
It connect and the cleaning solution for receiving the host or thimerosal and sprays to clean the automatically controlled clear of air-conditioning with the host
Wash spray gun;
The heat gun of clean the surface is electrically connected and is used to dry up with the host.
2. portable air-conditioning cleaning device according to claim 1, which is characterized in that the host includes cleaning solution liquid storage
Case;
The thimerosal liquid reserve tank being set side by side with the cleaning solution liquid reserve tank;
The surface of the thimerosal liquid reserve tank is set and for driving cleaning solution or thimerosal with to the automatically controlled cleaning spray gun
The driving device of ejection;
The control device of the driving device is electrically connected and is used to control with the driving device;
And the surface of the thimerosal liquid reserve tank and the storage for placing the automatically controlled cleaning spray gun and heat gun are set
Storehouse.
3. portable air-conditioning cleaning device according to claim 2, which is characterized in that the driving device includes for mentioning
For the host power supply of the host power;
It is electrically connected with the host power supply and for drawing cleaning solution or the thimerosal liquid storage in the cleaning solution liquid reserve tank
Thimerosal in case is simultaneously exported to the water pump of the automatically controlled cleaning spray gun;
And the liquid switching electricity of cleaning solution or thimerosal that the water pump is drawn is fixedly connected with and is used to switch with the water pump
Magnet valve.
4. portable air-conditioning cleaning device according to claim 3, which is characterized in that the water pump includes for water inlet
Pump intake and hose for water outlet, the hose are fixedly connected with the automatically controlled cleaning spray gun, the pump intake
It is fixedly connected with the liquid switching solenoid valve.
5. portable air-conditioning cleaning device according to claim 2, which is characterized in that the cleaning solution liquid reserve tank includes clear
Washing lotion liquid filling hole, and the cleaning liquid straw for drawing cleaning solution in the cleaning solution liquid reserve tank, the cleaning liquid straw
One end is fixedly connected with the liquid switching solenoid valve, and the other end of the cleaning liquid straw extends to the cleaning solution liquid reserve tank
Bottom.
6. portable air-conditioning cleaning device according to claim 2, which is characterized in that the thimerosal liquid reserve tank includes disappearing
Venom liquid filling hole, and the disinfection liquid straw for drawing thimerosal in the thimerosal liquid reserve tank, the disinfection liquid straw
One end is fixedly connected with the liquid switching solenoid valve, and the other end of the disinfection liquid straw extends to the thimerosal liquid reserve tank
Bottom.
7. portable air-conditioning cleaning device according to claim 1, which is characterized in that the automatically controlled cleaning spray gun includes using
In the spray pattern switching solenoid valve of switching spray pattern;
The fan-shaped spray nozzle connecting tube and cylindricality spray nozzle connecting tube being fixedly connected with the spray pattern switching solenoid valve;
It is fixedly connected with the fan-shaped spray nozzle connecting tube and is used to spray the fan-shaped spray nozzle of fan-shaped liquid;
And the cylindricality spray nozzle of cylindricality liquid is fixedly connected with and is used to spray with the cylindricality spray nozzle connecting tube;
The spray pattern switching solenoid valve is fixedly connected with the hose of water pump.
8. portable air-conditioning cleaning device according to claim 2, which is characterized in that the control device includes that power supply is opened
It closes, liquid switching switch, driving communication module, display screen and control panel, the power switch, liquid switch switch, driving
Communication module and display screen are electrically connected with the control panel respectively, and the control panel is electrically connected to the drive.
9. portable air-conditioning cleaning device according to claim 1, which is characterized in that the automatically controlled cleaning spray gun further includes
Gun body switch, gun body power supply and communication module, the gun body switch and communication module are described respectively with gun body power electric connection
Communication module and the driving communication module of control device are wirelessly connected.
10. portable air-conditioning cleaning device according to claim 3 or 7, which is characterized in that the liquid switching solenoid valve
It is two-bit triplet structural formula solenoid valve with spray pattern switching solenoid valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820734646.6U CN208466655U (en) | 2018-05-17 | 2018-05-17 | A kind of portable air-conditioning cleaning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820734646.6U CN208466655U (en) | 2018-05-17 | 2018-05-17 | A kind of portable air-conditioning cleaning device |
Publications (1)
Publication Number | Publication Date |
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CN208466655U true CN208466655U (en) | 2019-02-05 |
Family
ID=65217692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820734646.6U Expired - Fee Related CN208466655U (en) | 2018-05-17 | 2018-05-17 | A kind of portable air-conditioning cleaning device |
Country Status (1)
Country | Link |
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CN (1) | CN208466655U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113909198A (en) * | 2021-09-06 | 2022-01-11 | 邱献超 | Cleaning device for wafer semiconductor processing |
-
2018
- 2018-05-17 CN CN201820734646.6U patent/CN208466655U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113909198A (en) * | 2021-09-06 | 2022-01-11 | 邱献超 | Cleaning device for wafer semiconductor processing |
CN113909198B (en) * | 2021-09-06 | 2023-09-01 | 天津晟龙科技发展有限公司 | Cleaning device for wafer semiconductor processing |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20210517 |
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CF01 | Termination of patent right due to non-payment of annual fee |