CN2665918Y - Dustproof and moistureproof device for electronic and electric appliance products - Google Patents
Dustproof and moistureproof device for electronic and electric appliance products Download PDFInfo
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- CN2665918Y CN2665918Y CN 03245861 CN03245861U CN2665918Y CN 2665918 Y CN2665918 Y CN 2665918Y CN 03245861 CN03245861 CN 03245861 CN 03245861 U CN03245861 U CN 03245861U CN 2665918 Y CN2665918 Y CN 2665918Y
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- gear
- exhaust valve
- dust
- inlet valve
- control circuit
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Abstract
The utility model relates to a ventilation and cooling equipment, in particular to a dust-proof and moisture-proof device for electronic and electrical products. The utility model comprises an inlet mechanism, an outlet mechanism and an automatic control circuit. The outlet mechanism is provided with an active outlet door which is connected with a drive motor of the outlet door of the auto control circuit through a deceleration driving mechanism; the inlet mechanism is provided with an active inlet door which is connected with a drive motor of the inlet door of the auto control circuit through the deceleration driving mechanism; an exhaust fan of the outlet mechanism and a power terminal of the auto control circuit are connected to a low-voltage DC power terminal of electrical apparatus. The utility model has simple structure, rational design and is applicable in sealed electrical apparatus case. When not in use, the active outlet door and the active inlet door are closed to prevent dust and other impurities from entering the electrical apparatus. The utility model has easy installation, low cost and can prolong the service life of electrical apparatus and improve performance reliability and safety and meanwhile save time and the money of extensive consumers.
Description
One. technical field: the utility model relates to a kind of ventilation heat abstractor, particularly relates to a kind of electric equipment products dust and moisture device.
Two. background technology: existing television set and relevant electronic product generally all are to adopt open radiator structure, promptly directly open louvre on the casing of product.Will make airborne wet gas and dust enter box house like this by louvre, thereby make electronic product through moisture with dust and the corrosion of accelerated electron components and parts is aging, or lost efficacy, and can also cause the apparatus failure that some are relevant, as high voltage arc, base makes moist, high voltage package breaking-up etc., some electronic product is inner can't be removed by simple and convenient method owing to accumulate a large amount of dusts, and process high temperature becomes pollutant sources in the room with moist effect.The wiring board of television set, computer etc. is dirty, to make moist be the very big factor that causes electrical equipment to damage, and directly has a strong impact on the useful life and the complete machine performance of electrical equipment.The relevant personnel have developed the equipment and the device of many dustproof, moistureproof, dehumidifyings for this reason, as the various dust covers of prior art, can only equipment deposit or not the time spent use, its popularization is restricted; In Chinese patent (patent No. is ZL01200480), the dustproof dehumidifying device of a kind of television set is disclosed, it contains electrostatic precipitation, humidity sensor and heating dehumidifying circuit, but its technology more complicated, cost is higher, and difficulty or ease are promoted; In Chinese patent (patent No. is ZL90208654), dustproof, the cooling device of a kind of television set is disclosed, it contains cloth cover, supply fan and air cleaner, but it does not have a moisture-proof function, function singleness.
Three. the utility model content:
The purpose of this utility model: overcome the problem that prior art exists, provide a kind of electric equipment products dust and moisture device, with electric equipment ventilation and heat and dustproof and moistureproof under the situation of the claimed condition box sealing that reaches dust and moisture such as the television set that realize to need heat radiation, computers.
The technical scheme that the utility model adopted: a kind of electric equipment products dust and moisture device, comprise admission gear, exhaust gear and automatic control circuit, exhaust gear is provided with movable exhaust valve, this activity exhaust valve is connected with the exhaust valve drive motors of automatic control circuit by reduction gearing mechanism, admission gear is provided with movable inlet valve, this activity inlet valve is connected with the inlet valve drive motors of automatic control circuit by reduction gearing mechanism, the power end connecting circuit equipment low-voltage dc power supply end of automatic control circuit.
The mounting panel outside one end and movable exhaust valve one end of exhaust gear flexibly connect, ventilating fan is installed in the middle of the mounting panel inboard, be provided with supporting bracket and automatic control circuit wiring board in its end, the exhaust valve drive motors is installed on supporting bracket, linked switch K1 and K2, and reduction gearing mechanism, reduction gearing mechanism can be by worm gear, worm screw and connecting rod are formed, wherein worm screw and exhaust valve drive motors connect, connecting rod runs through mounting panel and flexibly connects with worm gear and movable exhaust valve respectively, the collision block that worm gear is provided with matches with above-mentioned switch, reduction gearing mechanism or by worm gear, worm screw and rack-and-pinion are formed, and wherein worm screw and exhaust valve drive motors connect, tooth bar runs through mounting panel, the one end cooperates with gear, gear and worm gear run-in synchronism, and the other end is connected with movable exhaust valve.
The outside of the Back Word type fixed head of admission gear is provided with dust filter, movable inlet valve is installed in the middle of fixed head, this activity inlet valve can be venetian blind type, be provided with supporting bracket in its end, inlet valve drive motors and reduction gearing mechanism are installed on supporting bracket, reduction gearing mechanism can be made up of worm gear, worm screw and rack-and-pinion, wherein worm screw and inlet valve drive motors connect, tooth bar one end cooperates with gear, gear and worm gear run-in synchronism, the other end is connected with the movable inlet valve of venetian blind type.
The worm gear of reduction gearing mechanism can drive worm gear or the rack-and-pinion motion that is fixed on mounting panel or fixed head opposite side by power transmission shaft, connecting rod on the worm gear or tooth bar are connected with movable exhaust valve or movable inlet valve, exhaust gear and admission gear can be used as original-pack formula, or as installing formula additional, be installed on the casing of electric equipment, one or more can be installed.
Inlet and outlet mechanism can be as outside the split type casing that is installed in electric equipment, and it is by the airtight casing internal communication of air pipe and electric equipment.
Automatic control circuit can be by linked switch, exhaust valve, IO Intake Valve Opens and close drive circuit, drive motors and ventilating fan are formed, ventilating fan and exhaust valve, the direct or indirect circuit closer equipment of the power end of inlet valve drive circuit low-voltage dc power supply, linked switch is installed on the supporting bracket, one the tunnel connects ventilating fan and power supply, one the tunnel is connected on exhaust valve, IO Intake Valve Opens drive circuit trigger end, drive motors is connected on the output of drive circuit, drive circuit is by Q7, Q8, Q9, Q10 forms differential amplifier circuit, its power end is through diode and resistance circuit closer equipment low-voltage dc power supply, and the output of differential amplifier circuit connects drive motors.
The start-stop of ventilating fan and row, inlet valve can be designed to Temperature Control Type, thermistor R
TSeries resistance VR1 inserts between power supply and the ground, the base stage of the branch crimping transistor Q1 of VR1, and transistor Q1, Q2, Q3, Q4 form amplifying circuit, and the emitter of Q4 connects power supply by load resistance, and collector electrode polyphone linked switch K1 connects respectively
With the base stage of ventilating fan oxide-semiconductor control transistors Q11, ventilating fan is contained between the collector electrode of power supply and Q11, and linked switch K2 is connected on exhaust valve, the inlet valve drive circuit cuts out trigger end.
Can install supply fan additional, supply fan is in automatic control circuit and the ventilating fan parallel connection, and supply fan or ventilating fan respectively can be one or more.
The beneficial effects of the utility model:
1. be mounted on the electronic product casing of sealing owing to the utility model, or outside the casing, there is the self-action of employing to advance, advancing of exhauxt valve opens and closing structure and forced heat radiation, ventilating fan and air inlet dust filter, adopt the electronic product of this device, dust in air and wet gas can not enter in the cabinet when start and close and outage, thereby adequate solution the infringement of dust and wet gas to electronic product inside components and parts, improved the reliability of electronic product, increased their useful life, avoid the fault that much should not take place, particularly eliminated dust and moisture-induced fault.When installing that electric equipment of the present utility model quits work or temperature in chassis when low, this device is not worked, and inlet and exhaust valve is in closed condition, when temperature in chassis reached the needs heat radiation, under the thermostat effect, inlet and exhaust valve was opened, ventilating fan is started working, and reaches the heat radiation purpose.When inlet valve was opened, after dust filter filtered, cleaned air entered cabinet, helped heat radiation, simultaneously, because the temperature height, this air can not damage electric elements, thereby reaches the dust and moisture effect, in case of necessity, supply fan is installed, is carried out and force air inlet in admission gear.
2. easy for installation, when on the electronic product that does not have the dust and moisture device, installing additional, only need the louvre of getting in touch with the external world on the seal case, in installation place perforate this device is installed.
3. of the present utility model simple in structure, cost is low, is easy to promotion and implementation.
Four. description of drawings:
Fig. 1: one of exhaust gear structural representation of electric equipment products dust and moisture device
Fig. 2: the vertical view of exhaust gear shown in Figure 1
Fig. 3: admission gear's structural representation of electric equipment products dust and moisture device
Fig. 4: the vertical view of admission gear shown in Figure 3
Fig. 5: two of the exhaust gear structural representation of electric equipment products dust and moisture device
Fig. 6: the vertical view of exhaust gear shown in Figure 5
Fig. 7: electric equipment products dust and moisture device control circuit principle schematic
Fig. 8: be not with Temperature Control Type electric equipment products dust and moisture device control circuit principle schematic
Five. embodiment
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 7, among the figure, mounting panel 1 outside, one end of exhaust gear and movable exhaust valve 2 one ends flexibly connect, at the mounting panel 1 inboard middle ventilating fan 3 that is equipped with, be provided with supporting bracket 4 and control circuit wiring board 5 in its end, 6 are installed on the supporting bracket 1 for the exhaust valve drive motors, this supporting bracket 1 also is equipped with linked switch 7 and 18, reduction gearing mechanism, reduction gearing mechanism can be by worm gear 9, worm screw 10 and connecting rod 11 are formed, wherein worm screw 10 connects with the exhaust valve drive motors, connecting rod 11 runs through mounting panel 1 and flexibly connects with worm gear 9 and movable exhaust valve 2 respectively, and the collision block 12 that worm gear 9 is provided with and 8 matches with linked switch 7 and 18.The outside of the Back Word type fixed head 13 of admission gear is provided with dust filter 14, movable inlet valve 15 is installed in the middle of fixed head 13, this activity inlet valve 15 can be venetian blind type, be provided with supporting bracket 16 in its end, 17 are installed on the supporting bracket 16 for the inlet valve drive motors, this supporting bracket 16 also is equipped with reduction gearing mechanism, reduction gearing mechanism can be by worm gear 19, worm screw 20 and tooth bar 21 are formed, wherein worm screw 20 connects with the inlet valve drive motors, tooth bar 21 1 ends cooperate with worm gear 19, the rotating shaft connecting rod of the movable inlet valve 15 of the other end and venetian blind type flexibly connects, the worm gear 19 of reduction gearing mechanism drives gear 24 motions that are fixed on fixed head 13 opposite sides by power transmission shaft 23, tooth bar 25 1 ends cooperate with gear 24, the opposite side of the rotating shaft connecting rod of the movable inlet valve 15 of the other end and venetian blind type flexibly connects, reach bilateral pulling activity inlet valve 15, make its opening and closing.Exhaust valve drive motors, inlet valve drive motors, linked switch 7 and 18, ventilating fan 3 are connected (not drawing among the figure) respectively with related circuit.
Among Fig. 7, transistor Q1, Q2, Q3, Q4 form temperature-control circuit, and Q4, Q11 form the ventilating fan control circuit, and Q7, Q8, Q9, Q10 form exhaust valve, inlet valve control circuit, and Q5, Q6 are exhaust valve, IC Intake Valve Closes circuits for triggering, thermistor R
TSeries resistance VR1 is connected between power supply and the ground, the dividing potential drop of VR1 connects the base stage of transistor Q1 by voltage stabilizing didoe VD1, this base stage be connected in parallel capacitor C 1 and resistance R 1 ground connection, power supply series resistance R4, R3, R2 connects the collector electrode of transistor Q1, R3, the contact of R2 connects the base stage of Q2, R4, the contact of R3 connects the emitter of Q2, the collector electrode of Q2 inserts the base stage of Q3 behind ground capacity C2, power supply series resistance R7, R6, R5 connects the collector electrode of transistor Q3, R5, the contact of R6 connects the base stage of Q4, R6, the contact of R7 connects the emitter of Q4, the collector electrode polyphone linked switch K1 of Q4, the normally-closed contact series resistance R16 of K1 connects the base stage of exhaust valve drive circuit Q10, the normally opened contact series resistance R17 of K1 connects the base stage of ventilating fan oxide-semiconductor control transistors Q11, connect ventilating fan between the collector electrode of Q11 and the power supply, Q1, Q3, the grounded emitter of Q11.
Power supply series diode D2 and resistance R 8 meet transistor Q7 behind ground capacity C3, the emitter of Q8, Q7, valve runs between the collector electrode of Q8, the inlet valve drive motors, the collector electrode of Q7 connects the base stage of Q8 through resistance R 15, the collector electrode of Q8 connects the base stage of Q7 through resistance R 114, while Q7, the collector electrode of Q8 connects Q10 respectively, the collector electrode of Q9, Q9, the grounded emitter of Q10, resistance R 9, R10 is connected between power supply and the ground, R10 provides the base bias of Q5, exhaust valve, the power end of inlet valve drive circuit connects the collector electrode of transistor Q6 through resistance R 12, be connected to resistance R 11 between the emitter of Q5 and Q6, the emitter of Q5 connects the base stage of Q6, the grounded emitter of Q5, the emitter tandem tap K2 of Q6 connects the base stage of transistor Q9 by resistance R 3.
RT among the figure is a thermistor, reaches uniform temperature, drives the amplifying circuit work that Q1～Q4 forms, the K1 normally-closed contact triggers exhaust valve, inlet valve control circuit, opens exhaust valve or inlet valve, and this moment, the K1 normally-closed contact disconnected, the normally opened contact closure is opened ventilating fan.After machine switched off or outage, transistor Q5 dead electricity is ended, and Q6 must conduct, and energy storage capacitor C3 discharge triggers drive circuit, closes the inlet and outlet door.K2 is that Q5, Q6 are cut off in inlet and outlet behind the door, for inlet and outlet door shut-off circuit provides driving voltage.
Embodiment two: referring to Fig. 1, Fig. 2, Fig. 5, Fig. 6 and Fig. 8, numbering is identical with embodiment one among the figure, represents same meaning, does not repeat.Difference is: the reduction gearing mechanism of exhaust gear is by worm gear 9, worm screw 10 and gear 26, tooth bar 27 is formed, wherein worm screw 10 connects with the exhaust valve drive motors, tooth bar 27 runs through mounting panel 1, the one end cooperates with gear 26, gear 26 and worm gear 9 run-in synchronisms, the other end and movable exhaust valve 2 flexibly connect, the worm gear 9 of reduction gearing mechanism drives gear 29 motions that are fixed on mounting panel 1 opposite side by power transmission shaft 28, tooth bar 30 1 ends cooperate with gear 29, the other end and movable exhaust valve 2 opposite sides flexibly connect, reach bilateral pulling activity exhaust valve 2, make its opening and closing.
Among Fig. 8, power supply series diode D1 and resistance R 9 meet transistor Q3 behind ground capacity C3, the emitter of Q4, Q3, valve runs between the collector electrode of Q4, the inlet valve drive motors, the collector electrode of Q3 and Q4 is respectively through resistance R 7, R6 and the other side's base stage is connected, Q3, the collector electrode of Q4 simultaneously respectively and Q6, the collector electrode of Q5 connects, Q5, the grounded emitter of Q6, resistance R 1, R2 is connected between power supply and ground, R2 provides the base bias of transistor Q5, power supply series diode D1 and resistance R 9 and R8 connect the collector electrode of transistor Q2, be connected to resistance R 3 between the emitter of Q1 and Q2, the emitter of Q1 connects the base stage of Q2, the grounded emitter of Q1, the emitter series resistance R5 of Q2 connects the base stage of transistor Q5, power supply series connection linked switch K1, the normally-closed contact series resistance R8 of K1 connects the base stage of exhaust valve drive circuit Q6, and the normally opened contact of K1 is communicated with the ventilating fan power supply.With embodiment one automatic control circuit different be, do not have temperature-control circuit,
Inlet and exhaust system work when electric equipment uses, system lock when not using.
Described dust and moisture device as required, can install supply fan additional, and supply fan is in automatic control circuit and the ventilating fan parallel connection, and supply fan or ventilating fan respectively can be one or more, are not itemizing at this.
Claims (8)
1. electric equipment products dust and moisture device, comprise admission gear, exhaust gear and automatic control circuit, it is characterized in that: exhaust gear is provided with movable exhaust valve, this activity exhaust valve is connected with the exhaust valve drive motors of automatic control circuit by reduction gearing mechanism, admission gear is provided with movable inlet valve, this activity inlet valve is connected with the inlet valve drive motors of automatic control circuit by reduction gearing mechanism, the power end connecting circuit equipment low-voltage dc power supply end of automatic control circuit.
2. dust and moisture device according to claim 1, it is characterized in that: the mounting panel outside one end and movable exhaust valve one end of exhaust gear flexibly connect, ventilating fan is installed in the middle of the mounting panel inboard, be provided with supporting bracket and automatic control circuit wiring board in its end, the exhaust valve drive motors is installed on supporting bracket, linked switch K1 and K2, and reduction gearing mechanism, reduction gearing mechanism can be by worm gear, worm screw and connecting rod are formed, wherein worm screw and exhaust valve drive motors connect, connecting rod runs through mounting panel and flexibly connects with worm gear and movable exhaust valve respectively, the collision block that worm gear is provided with matches with above-mentioned switch, reduction gearing mechanism or by worm gear, worm screw and rack-and-pinion are formed, wherein worm screw and exhaust valve drive motors connect, and tooth bar runs through mounting panel, and the one end cooperates with gear, gear and worm gear run-in synchronism, the other end is connected with movable exhaust valve.
3. dust and moisture device according to claim 1, it is characterized in that: the outside of the Back Word type fixed head of admission gear is provided with dust filter, movable inlet valve is installed in the middle of fixed head, this activity inlet valve can be venetian blind type, be provided with supporting bracket in its end, inlet valve drive motors and reduction gearing mechanism are installed on supporting bracket, reduction gearing mechanism can be by worm gear, worm screw and rack-and-pinion are formed, wherein worm screw and inlet valve drive motors connect, tooth bar one end cooperates with gear, gear and worm gear run-in synchronism, the other end is connected with the movable inlet valve of venetian blind type.
4. according to claim 2 or 3 described dust and moisture devices, it is characterized in that: the worm gear of reduction gearing mechanism can drive worm gear or the rack-and-pinion motion that is fixed on mounting panel or fixed head opposite side by power transmission shaft, connecting rod on the worm gear or tooth bar are connected with movable exhaust valve or movable inlet valve, exhaust gear and admission gear can be used as original-pack formula, or as installing formula additional, be installed on the casing of electric equipment, one or more can be installed.
5. dust and moisture device according to claim 1 is characterized in that: inlet and outlet mechanism can be as outside the split type casing that is installed in electric equipment, and it is by the airtight casing internal communication of air pipe and electric equipment.
6. dust and moisture device according to claim 1, it is characterized in that: automatic control circuit can be by linked switch, exhaust valve, IO Intake Valve Opens and close drive circuit, drive motors and ventilating fan are formed, ventilating fan and exhaust valve, the direct or indirect circuit closer equipment of the power end of inlet valve drive circuit low-voltage dc power supply, linked switch is installed on the supporting bracket, one the tunnel connects ventilating fan and power supply, one the tunnel is connected on exhaust valve, IO Intake Valve Opens drive circuit trigger end, drive motors is connected on the output of drive circuit, drive circuit is by Q7, Q8, Q9, Q10 forms differential amplifier circuit, its power end is through diode and resistance circuit closer equipment low-voltage dc power supply, and the output of differential amplifier circuit connects drive motors.
7. dust and moisture device according to claim 6 is characterized in that: the start-stop of ventilating fan and row, inlet valve can be designed to Temperature Control Type, thermistor R
TSeries resistance VR1 inserts between power supply and the ground, the base stage of the branch crimping transistor Q1 of VR1, transistor Q1, Q2, Q3, Q4 form amplifying circuit, the emitter of Q4 connects power supply by load resistance, collector electrode polyphone linked switch K1 connects the base stage with ventilating fan oxide-semiconductor control transistors Q11 respectively, ventilating fan is contained between the collector electrode of power supply and Q11, and linked switch K2 is connected on exhaust valve, the inlet valve drive circuit cuts out trigger end.
8. dust and moisture device according to claim 1 is characterized in that: can install supply fan additional, supply fan is in automatic control circuit and the ventilating fan parallel connection, and supply fan or ventilating fan respectively can be one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245861 CN2665918Y (en) | 2003-05-26 | 2003-05-26 | Dustproof and moistureproof device for electronic and electric appliance products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03245861 CN2665918Y (en) | 2003-05-26 | 2003-05-26 | Dustproof and moistureproof device for electronic and electric appliance products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665918Y true CN2665918Y (en) | 2004-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03245861 Expired - Fee Related CN2665918Y (en) | 2003-05-26 | 2003-05-26 | Dustproof and moistureproof device for electronic and electric appliance products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2665918Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415300B (en) * | 2008-05-20 | 2010-12-08 | 江苏镇安电力设备有限公司 | Anti-moisture mechanism for electric box |
| CN102645434A (en) * | 2012-04-06 | 2012-08-22 | 余姚纺织机械有限公司 | Cloth roll inspecting machine |
| CN104080317A (en) * | 2014-07-01 | 2014-10-01 | 宁波天韵通信设备有限公司 | Rainproof interchange box |
| CN106323853A (en) * | 2016-08-26 | 2017-01-11 | 安徽云图信息技术有限公司 | Dustproof testing device of electronic device product |
| CN106473745A (en) * | 2016-09-20 | 2017-03-08 | 青岛大学附属医院 | Measuring system for harelip mouth |
| CN107300959A (en) * | 2017-08-03 | 2017-10-27 | 苏州骄子信息科技有限公司 | A kind of case for desktop computer |
| CN108415533A (en) * | 2018-02-05 | 2018-08-17 | 安徽理工大学 | A kind of fugitive hot type big data all-in-one machine safety protective box |
| CN112153840A (en) * | 2020-09-29 | 2020-12-29 | 深圳市千里智能控制科技有限公司 | Multi-axis motion controller with network structure |
| CN115134295A (en) * | 2022-05-30 | 2022-09-30 | 湖南竣能科技有限公司 | Router protector with dampproofing function |
-
2003
- 2003-05-26 CN CN 03245861 patent/CN2665918Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415300B (en) * | 2008-05-20 | 2010-12-08 | 江苏镇安电力设备有限公司 | Anti-moisture mechanism for electric box |
| CN102645434A (en) * | 2012-04-06 | 2012-08-22 | 余姚纺织机械有限公司 | Cloth roll inspecting machine |
| CN104080317A (en) * | 2014-07-01 | 2014-10-01 | 宁波天韵通信设备有限公司 | Rainproof interchange box |
| CN104080317B (en) * | 2014-07-01 | 2017-02-01 | 宁波天韵通信设备有限公司 | Rainproof interchange box |
| CN106323853A (en) * | 2016-08-26 | 2017-01-11 | 安徽云图信息技术有限公司 | Dustproof testing device of electronic device product |
| CN106473745A (en) * | 2016-09-20 | 2017-03-08 | 青岛大学附属医院 | Measuring system for harelip mouth |
| CN107300959A (en) * | 2017-08-03 | 2017-10-27 | 苏州骄子信息科技有限公司 | A kind of case for desktop computer |
| CN108415533A (en) * | 2018-02-05 | 2018-08-17 | 安徽理工大学 | A kind of fugitive hot type big data all-in-one machine safety protective box |
| CN108415533B (en) * | 2018-02-05 | 2020-07-28 | 安徽理工大学 | Easy heat dissipation formula big data all-in-one safety protection case |
| CN112153840A (en) * | 2020-09-29 | 2020-12-29 | 深圳市千里智能控制科技有限公司 | Multi-axis motion controller with network structure |
| CN115134295A (en) * | 2022-05-30 | 2022-09-30 | 湖南竣能科技有限公司 | Router protector with dampproofing function |
| CN115134295B (en) * | 2022-05-30 | 2023-09-19 | 湖南竣能科技有限公司 | Router protector with dampproofing function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |