CN209324609U - A kind of control box with filter device and the bedding using it - Google Patents

A kind of control box with filter device and the bedding using it Download PDF

Info

Publication number
CN209324609U
CN209324609U CN201822188159.7U CN201822188159U CN209324609U CN 209324609 U CN209324609 U CN 209324609U CN 201822188159 U CN201822188159 U CN 201822188159U CN 209324609 U CN209324609 U CN 209324609U
Authority
CN
China
Prior art keywords
control box
filter device
pedestal
air pump
lower cover
Prior art date
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.)
Active
Application number
CN201822188159.7U
Other languages
Chinese (zh)
Inventor
方永
谷超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xilinmen Furniture Co Ltd
Original Assignee
Xilinmen Furniture Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xilinmen Furniture Co Ltd filed Critical Xilinmen Furniture Co Ltd
Priority to CN201822188159.7U priority Critical patent/CN209324609U/en
Application granted granted Critical
Publication of CN209324609U publication Critical patent/CN209324609U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

The utility model provides a kind of control box with filter device and the bedding using it, and control box includes: box body, including lid and pedestal, and the cover cap closes ground and is set on the pedestal;Air pump is set on the pedestal;Solenoid valve is connected on the pedestal and with the air pump;Electric-controlled plate, for controlling the on-off of air pump and solenoid valve;Wherein, the filter device of embedded hirudo leech is equipped at the nozzle of the air inlet pipe of the air pump.The control box that this programme provides, the filter device of embedded hirudo leech is equipped at the nozzle of the air inlet pipe of air pump, the gas that air pump is pumped into can be dried, wet gas is avoided to accumulate at electronic component in the control box such as solenoid valve, electric-controlled plate, the service life for extending electronic component in control box avoids control box operation exception.

Description

A kind of control box with filter device and the bedding using it
Technical field:
The utility model relates to bedroom apparatus field more particularly to a kind of control box and use its bedding.
Background technique:
With the improvement of living standards, people are to bedding, more stringent requirements are proposed, thus it is some with air cushion can be voluntarily The bedding of regulatory function comes into being and obtains the approval of people, and the bedding with air cushion has the characteristics that hardness is adjustable, uses Person can carry out personalized adjustment according to hardness of itself hobby to bedding, improve the comfort of sleep.Existing band air cushion Bedding be typically all to pass through control box to be adjusted control, control box or be arranged in bedding, or to control box external Outside bedding, however in use, air pump needs ceaselessly to be pumped into gas and then passes through the control such as solenoid valve and sensor Output is to bedding after box electronic component, when rainy days or in the biggish area of air humidity in use, being pumped into tide for a long time Wet gas will lead to the reduced lifespan of electronic component in control box, or even influence the normal use of control box.
Utility model content:
The utility model aims to solve at least one of the technical problems existing in the prior art.
Box and the bedding using it are controlled with filter device for this purpose, the utility model proposes a kind of.
To achieve the above object, the embodiments of the present invention provide a kind of control box, are used for bedding, comprising: box body, Including lid and pedestal, the cover cap closes ground and is set on the pedestal;Air pump is set on the pedestal;Solenoid valve is set to institute It states on pedestal and is connected with the air pump;Electric-controlled plate, for controlling the on-off of air pump and solenoid valve;Wherein, the air pump The filter device of embedded hirudo leech is equipped at the nozzle of air inlet pipe.
Control box provided by the utility model is additionally arranged the filtering dress of embedded hirudo leech at the nozzle of the air inlet pipe of air pump Set, when air is through filter device steam therein can dried body absorb and dehumidify, therefore by air pump, solenoid valve with it is electric Gas when controlling electronic component in the control box such as plate is more dry gas, solves and is pumped into wet gas in electricity for a long time Magnet valve, electric-controlled plate etc. are controlled in box and are accumulated at electronic component, are extended the service life of electronic component in control box, are avoided Control box operation exception.
In addition, the utility model control box provided by the above embodiment also has following additional technical feature:
In above-mentioned technical proposal, it is preferable that the filter device further includes upper cover and lower cover, one end of the lower cover and institute Air inlet pipe connection is stated, the other end of the lower cover forms the cavity of opening, and the upper cover forms cavity and one end of both ends open It is encircled into accommodating chamber with the other end of the lower cover, the hirudo leech are set in the accommodating chamber.
In above-mentioned technical proposal, it is preferable that internal screw thread or external screw thread are formed on one end of the upper cover, the lower cover The external screw thread or internal screw thread matched with the upper cover is formed on the other end, when the upper cover and the lower cover are screwed together Form the accommodating chamber.
In above-mentioned technical proposal, it is preferable that be formed with card convex or catching groove on one end of the upper cover, the lower cover it is another The catching groove matched with upper cover or card convex are formed on end, the upper cover and the lower cover form the receiving when snapping together Chamber.
In above-mentioned technical proposal, it is preferable that the hirudo leech are packed powder desiccant or solid drier.
In above-mentioned technical proposal, it is preferable that be equipped with sealing ring between the other end of the lower cover and the air inlet pipe.
In above-mentioned technical proposal, it is preferable that the bottom surface of the pedestal is equipped with ventilation opening, and the ventilation opening is located at the mistake The lower section of device is filtered, the ventilation opening is formed as grid aeration structure.
In above-mentioned technical proposal, it is preferable that the bottom surface of the pedestal is equipped with multiple support legs, the bottom surface institute of the pedestal Locate plane and is higher than plane locating for the bottom end of the support leg.
In above-mentioned technical proposal, it is preferable that the side wall of the pedestal is equipped with ventilation opening, and the ventilation opening is located at the mistake The side of device is filtered, the ventilation opening is formed as grid aeration structure.
The utility model further relates to a kind of bedding, including air cushion and snorkel connected to it;It further include the control Box, the control box are inflated by snorkel into air cushion.
Bedding provided by the utility model is equipped with air cushion, and snorkel connect with air cushion in bedding, controls box and passes through Snorkel can carry out inflation/deflation to air cushion, and the filter device of embedded hirudo leech is arranged at the air inlet mouth of pipe of the air pump of control box, Solve the problems, such as that the electronic component service life is shorter and controls box operation exception in control box, so that bedding operation is more stable.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram for the control box that the utility model one embodiment proposes;
Fig. 2 is the schematic diagram of internal structure for the control box that the utility model one embodiment proposes;
Fig. 3 is the filter device installation diagram for the control box that the utility model one embodiment proposes;
Fig. 4 is the filter apparatus configuration schematic diagram for the control box that the utility model one embodiment proposes;
Fig. 5 is the structural schematic diagram for the bedding that another embodiment of the utility model proposes;
In Fig. 1-Fig. 5: 1, control box, 11, pedestal, 111, ventilation opening, 12, lid, 2, air pump, 21, filter device, 211, hirudo leech, 212, upper cover, 213, lower cover, 22, air inlet pipe, 3, gas storage box, 4, solenoid valve, 5, electric-controlled plate, 6, pipeline it is integrated Seat, 7, air cushion, 8, snorkel
Specific embodiment:
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.
As shown in Figures 1 to 4, the utility model relates to a kind of control boxes, are used for bedding, comprising: box body, including lid 12 close ground and are set on pedestal 11 with pedestal 11, the lid of lid 12;Air pump 2 is set on pedestal 11;Solenoid valve 4 is set on pedestal 11 simultaneously It is connected with air pump 2;Electric-controlled plate 5, for controlling the on-off of air pump 2 Yu solenoid valve 4;Wherein, the nozzle of the air inlet pipe 22 of air pump 2 Place is equipped with the filter device 21 of embedded hirudo leech 211.
Specifically, as shown in Figure 1, control box 1 includes box body, box body includes pedestal 11 and lid 12, and lid 12 passes through card The mode lid of button, grafting or screw connection closes on the pedestal 11, and one end side wall of pedestal 11 is equipped with through-hole, and through-hole is equipped with Pipeline integrated base 6, pipeline integrated base 6 can be connected to the connection snorkel 8 of the air cushion 7 of bedding and then to 7 inflation/deflation of air cushion to adjust Bedding.
Further, as shown in Fig. 2, being equipped with air pump 2, gas storage box 3, solenoid valve 4, automatically controlled on the pedestal 11 of control box 1 Plate 5 and pipeline integrated base 6 are particularly additionally provided with the filtering dress of embedded hirudo leech 211 at the nozzle of the air inlet pipe 22 of air pump 2 21 are set, gas is pumped into gas storage box 3 through air pump 2 after filter device 21 filters out steam therein, then controls gas through solenoid valve 4 On-off and shunting, then the output of integrated base 6 by the road is additionally provided with the air pressure transmission for detecting air pressure to air cushion 7 on electric-controlled plate 5 Sensor (not shown), baroceptor are connected to solenoid valve 4 by tracheae for detection gas air pressure, and electric-controlled plate 5 can be used In the work on-off of control air pump 2 and solenoid valve 4, it is arranged what gas storage box 3 can be pumped into air pump 2 between air pump 2 and solenoid valve 4 Gas carries out temporarily storage to guarantee that air pressure is in more steadily to guarantee that gas output is more stable in gas storage box 3, and solenoid valve 4 can To be set as multiple groups.
The utility model at the nozzle of the air inlet pipe 22 of air pump 2 by being provided with the filter devices of embedded hirudo leech 211 21, air is absorbed through steam therein when filter device 21 meeting dried body 211 to dehumidify, therefore passes through air pump 2, solenoid valve 4 It is dry gas with the gas in the equal control box of electric-controlled plate 5 when electronic component, solves and be pumped into wet gas for a long time and exist Solenoid valve 4, electric-controlled plate 5 etc. are controlled in box and are accumulated at electronic component, extend the service life of electronic component in control box, Avoid control box operation exception.
Preferably, filter device 21 further includes upper cover 212 and lower cover 213, and one end of lower cover 213 is connected to air inlet pipe 22, The other end of lower cover 213 forms the cavity of opening, upper cover 212 form the cavity of both ends open and one end and lower cover 213 it is another End is encircled into accommodating chamber, and hirudo leech 211 are set in accommodating chamber, and specifically, as shown in Figure 3 and Figure 4, one end of lower cover 213 is formed Tubular structure, tubular structure, which can be arranged or be embedded in outside, to be connected on the nozzle of air inlet pipe 22 with air pump 2, lower cover 213 it is another End forms the cavity body structure of opening, and the cavity body structure of opening is again formed as tubular structure, and one end of upper cover 212 is formed and lower cover The cavity knot that the open-ended cavity that the cavity body structure of 213 opening matches, upper cover 212 and lower cover 213 are open when being installed together Structure, which encloses, to be set to form accommodating chamber, and hirudo leech 211, which are placed in accommodating chamber, sufficiently to be done the gas for entering filter device 21 Dry processing is also possible to prevent being scattered using rear granulated slag of hirudo leech 211, what the other end formation of upper cover 212 was connected with accommodating chamber Air inlet tubular structure, in use, gas enter accommodating chamber through the air inlet tubular structure of upper cover 212, dry through hirudo leech 211 It is pumped into air pump 2 after dry by lower cover 213, it is preferable that filter device 21 is connected through a screw thread or to snap connection mode detachable Ground is installed in air inlet pipe 22, and use in hirudo leech 211 totally can be convenient replacement afterwards.
Preferably, internal screw thread or external screw thread are formed on one end of upper cover 212, be formed on the other end of lower cover 213 with The external screw thread or internal screw thread that upper cover 212 matches, upper cover 212 and lower cover 213 form accommodating chamber when being screwed together, and are threadedly coupled Structure is simple and cost of manufacture is lower, also only need to upper cover 212 be removed or be loaded onto from lower cover 213 when replacing hirudo leech 211 ?.
Preferably, it is formed with card convex or catching groove on one end of upper cover 212, is formed on the other end of lower cover 213 and upper cover The catching groove or card convex matched, upper cover 212 and lower cover 213 form accommodating chamber, the connection knot of card convex and catching groove when snapping together Structure makes upper cover 212 and the connection structure of lower cover 213 simple, and replacement hirudo leech 211 are also easy to operate.
Preferably, hirudo leech 211 are packed powder desiccant or solid drier, and it is dry that desiccant can be packed powder Agent or solid drier can satisfy different demands.
Preferably, be equipped with sealing ring between one end of lower cover 213 and air inlet pipe 22, filter device 21 and air pump 2 into Sealing ring is set between the nozzle of tracheae 22, guarantee by the dry gas of hirudo leech 211 can whole being pumped into air pump 2 mention On the other hand the working efficiency of high air pump 2 can prevent junction between filter device 21 and the air inlet pipe 22 of air pump 2 from having not It is penetrated by dry gas.
Preferably, the bottom surface of pedestal 11 is equipped with ventilation opening 111, and ventilation opening 111 is located at the lower section of filter device 21, divulges information Mouth 111 is formed as grid aeration structure, and the bottom surface of pedestal 11 is equipped with multiple support legs, and plane locating for the bottom surface of pedestal 11 is higher than The side wall of plane locating for the bottom end of support leg or pedestal 11 is equipped with ventilation opening 111, and ventilation opening 111 is located at filter device 21 side, ventilation opening 111 are formed as grid aeration structure, specifically, as shown in figure 3, the installation of air pump 2 is on the pedestal 11, when When the air inlet pipe 22 of air pump 2 is positioned close to the position of 11 bottom surface of pedestal, ventilation opening 111 is correspondingly disposed in the bottom of pedestal 11 On face and it is located at the lower section of filter device 21, or when the air inlet pipe 22 of air pump 2 is positioned close to the position of 11 side wall of pedestal, it will Ventilation opening 111 is correspondingly disposed in the side on the side wall of pedestal 11 and being located at filter device 21, and the air inlet of air pump 2 can be improved Measure and then guarantee the working efficiency of air pump 2, setting grid aeration structure can play filtering to the dust in air at ventilation opening It acts on or prevents the insects such as cockroach from entering control box and operation is caused to be affected, it is preferable that will by the way that multiple support legs are arranged Control box supports, and the bottom surface for controlling the pedestal 11 of box is higher than the support contact surface of control box, passes through to will not influence gas Ventilation opening 111 enters control box, and the gas for also further ensuring air pump and control box is pumped into efficiency.
As shown in figure 5, the bedding that the embodiment of the utility model second aspect provides, comprising: air cushion 7 and connected to it Snorkel 8;It further include control box, control box is inflated by tracheae 8 into air cushion 7.
Bedding provided by the utility model, because of the control box being equipped in any of the above-described technical solution, to have above complete Portion's beneficial effect, details are not described herein.
Optionally, bedding is mattress, pillow, sofa or chaise longue.
In conclusion control box provided by the utility model and bedding, by being set at the nozzle of the air inlet pipe 22 of air pump 2 It is equipped with the filter device 21 of embedded hirudo leech 211, the gas that can be pumped into air pump 2 dehumidifies, thus by solenoid valve 4, electricity Gas when controlling electronic component in the equal control box of plate 5 is more dry gas, avoids and is pumped into wet gas for a long time and exists It controls in box and is accumulated at electronic component, extend the service life of electronic component in control box, avoid control box operation It is abnormal.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of control box with filter device is used for bedding characterized by comprising
Box body, including lid (12) and pedestal (11), lid (12) lid close ground and are set on the pedestal (11);
Air pump (2) is set on the pedestal (11);
Solenoid valve (4) is set on the pedestal (11) and is connected with the air pump (2);
Electric-controlled plate (5), for controlling the on-off of the air pump (2) Yu solenoid valve (4);
Wherein, the filter device (21) of embedded hirudo leech (211) is equipped at the nozzle of the air inlet pipe (22) of the air pump (2).
2. a kind of control box with filter device according to claim 1, it is characterised in that: the filter device (21) includes Upper cover (212) and lower cover (213), one end of the lower cover (213) are connected to the air inlet pipe (22), the lower cover (213) The other end forms the cavity of opening, the upper cover (212) form the cavity of both ends open and one end and the lower cover (213) it is another One end, which is enclosed, is set as accommodating chamber, and the hirudo leech (211) are set in the accommodating chamber.
3. a kind of control box with filter device according to claim 2, it is characterised in that: one end of the upper cover (212) On be formed with internal screw thread or external screw thread, be formed on the other end of the lower cover (213) matched with the upper cover (212) it is outer Screw thread or internal screw thread, the upper cover (212) and the lower cover (213) form the accommodating chamber when being screwed together.
4. a kind of control box with filter device according to claim 2, it is characterised in that: one end of the upper cover (212) On be formed with card convex or catching groove, be formed with the catching groove matched with upper cover or card convex on the other end of the lower cover (213), it is described Upper cover (212) and the lower cover (213) form the accommodating chamber when snapping together.
5. a kind of control box with filter device described in any one of -4 according to claim 1, it is characterised in that: the hirudo leech It (211) is packed powder desiccant or solid drier.
6. a kind of control box with filter device according to any one of claim 2-4, it is characterised in that: the lower cover (213) sealing ring is equipped between one end and the air inlet pipe (22).
7. a kind of control box with filter device described in any one of -4 according to claim 1, it is characterised in that: the pedestal (11) bottom surface is equipped with ventilation opening (111), and the ventilation opening (111) is located at the lower section of the filter device (21), described logical Air port (111) is formed as grid aeration structure.
8. a kind of control box with filter device according to claim 7, it is characterised in that: on the bottom surface of the pedestal (11) Equipped with multiple support legs, plane locating for the bottom surface of the pedestal (11) is higher than plane locating for the bottom end of the support leg.
9. a kind of control box with filter device described in any one of -4 according to claim 1, it is characterised in that: the pedestal (11) side wall is equipped with ventilation opening (111), and the ventilation opening (111) is located at the side of the filter device (21), described logical Air port (111) is formed as grid aeration structure.
10. a kind of bedding, which is characterized in that including air cushion (7) and snorkel connected to it (8);And as claim 1 to Control box described in any one of 9, control box inflation into air cushion (7) by snorkel (8).
CN201822188159.7U 2018-12-25 2018-12-25 A kind of control box with filter device and the bedding using it Active CN209324609U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822188159.7U CN209324609U (en) 2018-12-25 2018-12-25 A kind of control box with filter device and the bedding using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822188159.7U CN209324609U (en) 2018-12-25 2018-12-25 A kind of control box with filter device and the bedding using it

Publications (1)

Publication Number Publication Date
CN209324609U true CN209324609U (en) 2019-08-30

Family

ID=67728609

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822188159.7U Active CN209324609U (en) 2018-12-25 2018-12-25 A kind of control box with filter device and the bedding using it

Country Status (1)

Country Link
CN (1) CN209324609U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109463937A (en) * 2018-12-25 2019-03-15 喜临门家具股份有限公司 A kind of control box with filter device and the bedding using it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109463937A (en) * 2018-12-25 2019-03-15 喜临门家具股份有限公司 A kind of control box with filter device and the bedding using it

Similar Documents

Publication Publication Date Title
US9879682B1 (en) Inflating unit for use with an inflatable object
CN209324609U (en) A kind of control box with filter device and the bedding using it
CN102365045B (en) Electric cleaner and method for adjusting same
CN203417551U (en) Household air filter with filter cartridge replacement reminding function
CN110621199A (en) Negative pressure mattress system
CN207540060U (en) Humidifier
CN203550097U (en) Humidifier for textile workshop
CN105180302B (en) A kind of room air monitoring processor
CN105222244B (en) A kind of room air monitoring processor and its processing method
CN205503419U (en) A aerify bedding for inflating air pump of bedding and have built -in air pump
TW200924809A (en) Oxygen concentration apparatus
CN109463937A (en) A kind of control box with filter device and the bedding using it
CN205079354U (en) Indoor air monitering treater with low resistance air inlet mechanism
CN106016486A (en) Air purifier used for module room
US20210227990A1 (en) Air pump with automatic pressure maintenance
CN106091141A (en) A kind of air purifier with wireless communication functions
CN109709269A (en) A kind of portable air quality detector
CN205939452U (en) Air purifier with vibrator
CN207351863U (en) A kind of natural feather dust investigating
KR20050118772A (en) Dehumidifier for clothes chest
JPS599226U (en) multi-stage air conditioner
CN205939451U (en) Air purifier
CN203802977U (en) Portable air purifying air supply mask
CN106196322A (en) A kind of air purifier
CN209696634U (en) A kind of comprehensive air compression station compressed air circulatory system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant