CN217568828U - Analytical instrument is used in laboratory convenient to wash - Google Patents

Analytical instrument is used in laboratory convenient to wash Download PDF

Info

Publication number
CN217568828U
CN217568828U CN202221021221.3U CN202221021221U CN217568828U CN 217568828 U CN217568828 U CN 217568828U CN 202221021221 U CN202221021221 U CN 202221021221U CN 217568828 U CN217568828 U CN 217568828U
Authority
CN
China
Prior art keywords
tube
cooling
module
analysis test
fixedly arranged
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
CN202221021221.3U
Other languages
Chinese (zh)
Inventor
胡娟
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.)
Ningxia Qixin Weiye Automation Technology Co ltd
Original Assignee
Ningxia Qixin Weiye Automation Technology 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 Ningxia Qixin Weiye Automation Technology Co ltd filed Critical Ningxia Qixin Weiye Automation Technology Co ltd
Priority to CN202221021221.3U priority Critical patent/CN217568828U/en
Application granted granted Critical
Publication of CN217568828U publication Critical patent/CN217568828U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The utility model provides a pair of analytical instrument is used in laboratory convenient to wash, comprises a test bench, fixed cleaning module, drying module, the module of disinfecting of being provided with on the test bench, cleaning module is used for wasing the analysis test tube, drying module is used for carrying out drying process to the analysis test tube after wasing, the module of disinfecting is used for placing the analysis test tube after the stoving, and right the analysis test tube carries out the sterilization process, the utility model discloses have collect wash, dry, disinfect in an organic whole, improve the experiment progress to reduce system error's effect.

Description

Analytical instrument is used in laboratory convenient to wash
Technical Field
The utility model belongs to the technical field of the technique of laboratory glassware and specifically relates to an analytical instrument is used in laboratory convenient to wash is related to.
Background
In order to understand the composition of the substance in detail and facilitate further understanding of the function of the substance, the substance needs to be brought into a laboratory for analysis by an analyzer, and after the substance is analyzed by the analyzer in the laboratory, the inside of a substance analysis tube needs to be cleaned, so that the cleanness of the inside of the analysis tube is ensured, and the pollution of the analysis tube to the analysis substance is avoided;
firstly, when the existing laboratory analysis instrument is used for cleaning an analysis test tube, the existing laboratory analysis instrument needs to consider to wash the analysis test tube, and is very inconvenient in time and labor consumption; secondly, the existing analysis test tube needs to drain for a long time after being cleaned, so that the experiment progress is influenced, and the cleanliness of the analysis test tube cannot be well ensured, so that a system error is generated.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an analytical instrument is used in laboratory convenient to wash has the collection and washs, dries, disinfects in an organic whole, improves the experiment progress to reduce system error's advantage.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an analytical instrument is used in laboratory convenient to wash, includes the test bench, fixed cleaning module, drying module, the module of disinfecting of being provided with on the test bench, cleaning module is used for wasing the analysis test tube, drying module is used for carrying out drying process to the analysis test tube after wasing, the module of disinfecting is used for placing the analysis test tube after the stoving, and right the analysis test tube carries out the processing of disinfecting.
Preferably, the cleaning module comprises a water supply bin, a power pump, a cleaning assembly and an opening and closing assembly, wherein the water supply bin, the power pump, the cleaning assembly and the opening and closing assembly are arranged in the test bed, the power pump is communicated with the water supply bin and the cleaning assembly through a pipeline, the opening and closing assembly is fixedly arranged on the pipeline, when the opening and closing assembly senses that the analysis test tube sleeve is arranged on the outer side of the cleaning assembly, the opening and closing assembly opens the pipeline and starts the power pump, and the cleaning assembly cleans the analysis test tube.
Preferably, the cleaning assembly comprises a supporting tube, a driving part and bristles, the driving part is fixedly arranged in the test bed, the supporting tube is rotatably arranged on the surface of the test bed, the bristles are fixedly arranged on the surface of the supporting tube, the driving part is in transmission connection with the supporting tube, and at least one spraying hole is formed in the surface of the supporting tube.
Preferably, the subassembly of opening and close includes sensor, solenoid valve, treater, the sensor pass through the treater respectively with the power pump electric connection between the solenoid valve, the sensor fixed set up in on the test bench, the solenoid valve is located the stay tube with set up between the driving piece, the sensor response the analysis test tube cover is located signal on the stay tube, and will signal transmission extremely the treater, the treater is right respectively the solenoid valve, the power pump carries the opening command.
Preferably, the drying module includes fan, electric heat net, fixed pipe, response piece, fixed pipe fixed set up in the surface of test bench, the electric heat net fixed set up in the fixed pipe, the fan fixed set up in on the test bench, just the air outlet of fan with fixed pipe intercommunication sets up, the response piece is fixed set up in fixed pipe surface, the response piece response the analysis test tube cover is located signal on the fixed pipe, and will signal transmission extremely the treater, the treater is right respectively the fan the electric heat net is carried and is opened the order.
Preferably, the sterilization module comprises a placing cavity, a cooling support pipe and a lamp strip, wherein the placing cavity, the cooling support pipe and the lamp strip are arranged on the surface of the test bed, the cooling support pipe is fixedly arranged in the placing cavity, and the lamp strip is wound on the outer side of the cooling support pipe along the length direction of the cooling support pipe and is fixedly arranged.
Preferably, the cooling support pipe comprises a main pipe and a cooling pipe, one end of the cooling pipe penetrates through one end of the main pipe and is fixedly arranged in a sealing mode, a cooling medium inlet is formed in the end of the cooling pipe, the other end of the cooling pipe extends to the inner portion of the main pipe, a cooling medium outlet is formed in one side, away from the extending end of the cooling pipe, of the main pipe, and the cooling medium sequentially passes through the cooling medium inlet, the cooling pipe and the main pipe and is discharged through the cooling medium outlet.
Preferably, the test bench further comprises a booster pump, the booster pump is fixedly arranged in the test bench, the cooling medium inlet is communicated with a water supply bin in the cleaning module through the booster pump, and the cooling medium outlet is communicated with the water supply bin.
Preferably, the outside cover of cooling stay tube is equipped with transparent safety cover, analysis test tube cover is located the transparent safety cover outside.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses in, through the fixed cleaning module that sets up on the test bench, drying module, the module of disinfecting, when needs wash the analysis test tube, at first do the cleaning work to the analysis test tube through cleaning module, locate drying module through the analysis test tube cover after will wasing again on, realize the stoving to the intraductal moisture, again with the analysis test tube cover after drying locate disinfect in the module of disinfecting, and in the utility model, the bactericidal treatment is done to the analysis test tube of sustainability, avoid system error to produce the influence to experimental data, and in the experimentation, can in time wash the analysis test tube, dry, the integrated processing that disinfects, further promotion experiment process.
2. The utility model discloses in, through opening and close the subassembly in the setting, when realizing locating the stay tube with analysis test tube cover, open and close the sensor in the subassembly and sense the signal to open through processor control solenoid valve and power pump, otherwise, when the analysis test tube was taken off from the stay tube, the sensor did not sense the signal, and processor control solenoid valve and power pump are closed, realize the rational utilization to the resource to the closing of wasing the subassembly.
3. The utility model discloses in, through setting up cooling support tube and helping hand pump, cool down the processing through the cooling support tube to the lamp area to water in the pump extraction water supply storehouse of helping hand carries out cooling cycle, can carry out multi-direction utilization to the water in the water supply storehouse on the one hand, and another direction can realize the cooling to the lamp area, prolongs the life in lamp area.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view showing the internal structure of the present invention;
FIG. 3 is a schematic structural view showing the arrangement positions of the cleaning module and the drying module according to the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 2;
fig. 5 is a flow chart showing the electrical connection between the on-off assembly and the drying module.
Reference numerals: 1. a cleaning module; 11. a water supply bin; 12. a power pump; 13. cleaning the assembly; 131. supporting a tube; 132. a drive member; 133. brushing; 14. an opening and closing assembly; 141. a sensor; 142. an electromagnetic valve; 143. a processor; 2. spraying and washing the holes; 3. a driving gear; 4. a driven gear; 5. a sewage collecting tank; 6. a drying module; 61. a fan; 62. an electric heating net; 63. a fixed tube; 64. a sensing member; 7. a sterilization module; 71. a placement chamber; 72. cooling the supporting tube; 721. a main pipe; 722. a cooling tube; 73. a light strip; 8. a transparent protective cover; 9. a test bed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and the like in the description and in the claims of the present application do not denote a limitation of quantity, but rather denote the presence of at least one.
In the description of the present specification and claims, the terms "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1-fig. 5 show the utility model discloses a concrete embodiment of analytical instrument is used in laboratory convenient to wash, it includes test bench 9, the fixed cleaning module 1 that is provided with on test bench 9, drying module 6, sterilization module 7, cleaning module 1 is used for wasing the analysis test tube, wherein, cleaning module 1 is including setting up water supply bin 11 in test bench 9, power pump 12, cleaning assembly 13, open and close subassembly 14, in this embodiment, water supply bin 11, power pump 12 is fixed to be set up in test bench 9, the maintenance of analytical instrument of being convenient for, power pump 12 supplies water bin 11 and cleaning assembly 13 through the pipeline intercommunication, it sets up on the pipeline to open and close subassembly 14 is fixed, open and close subassembly 14 and sense when analysis test tube cover locates the cleaning assembly 13 outside, and open power pump 12, cleaning assembly 13 washs the analysis test tube, otherwise, when the analysis test tube is taken off from the cleaning assembly 13 outside, open and close subassembly 14 and close the pipeline, and close power pump 12 simultaneously, the rational utilization to the resource has been realized.
In this embodiment, the cleaning assembly 13 includes a support tube 131, a driving member 132, and bristles 133, wherein the driving member 132 is fixedly disposed in the test bed 9, in this embodiment, the driving member 132 is a servo motor, one end of the support tube 131 is rotatably disposed on the surface of the test bed 9, the other end of the support tube 131 is formed with a spray hole 2, and the bristles 133 are fixedly disposed on the surface of the support tube 131.
In addition, in this embodiment, the supporting tube 131 is close to one end of the driving gear 3 to rotate the connecting member, the rotating connecting member is communicated with the power pump 12 through a pipeline, and the power pump 12 pumps water in the water supply tank 11 into the supporting tube 131 to flush the inside of the analysis test tube.
In order to further clean the inner wall of the test tube, the plurality of spraying holes 2 are formed in the surface of the support tube 131 along the length direction thereof, the analysis test tube sleeved on the support tube 131 is washed through the plurality of spraying holes 2, so that the inner wall of the test tube can be better cleaned, and the inner wall of the test tube can be scrubbed through the bristles 133 in the process of washing the inner wall of the test tube through the cooperation between the bristles 133, so that the cleanliness of the inner wall of the test tube can be further improved.
The utility model discloses in, it includes sensor 141 to open and close subassembly 14, solenoid valve 142, treater 143, sensor 141 is fixed to be set up on test bench 9, sensor 141 pass through treater 143 respectively with power pump 12, electric connection between the solenoid valve 142, solenoid valve 142 is located and sets up between stay tube 131 and the power pump 12, control conduit opens and close, when sensor 141 responds to the analysis test tube cover and locates on stay tube 131, form the sensing signal, and with sensing signal transmission to treater 143, treater 143 turns into the execution order with the sensing signal, and transmit execution order respectively to solenoid valve 142 and power pump 12, realize opening of solenoid valve 142 and power pump 12, realize supplying water and realizing the rotation of stay tube 131 to stay tube 131.
Moreover, in this embodiment, in order to collect sewage, therefore, the fixed sewage collection tank 5 that is provided with on the surface of test bench 9 washs subassembly 13 and fixes and set up in sewage collection tank 5, concentrates the collection through sewage collection tank 5 to sewage and handles, avoids the influence of sewage to the experiment.
In this embodiment, drying module 6 is used for drying the analysis test tube after washing, drying module 6 includes fan 61, electric heat net 62, fixed pipe 63, response 64, fixed pipe 63 is fixed to be set up in the surface of test bench 9, electric heat net 62 is fixed to be set up in fixed pipe 63, fan 61 is fixed to be set up on test bench 9, and communicate the setting between the air outlet of fan 61 and the fixed pipe 63, response 64 is fixed to be set up in fixed pipe 63 surface, when response 64 response analysis test tube cover locates on fixed pipe 63, form the inductive signal, and transmit inductive signal to processor 143, processor 143 turns into the inductive signal and carries out the order, and transmit the order of carrying out to fan 61 and electric heat net 62 respectively and open, thereby realize drying the moisture content in the analysis test tube, and disinfect the analysis test tube through hot-blast, reduce the analysis test tube because self inside cleanliness is not enough, avoid the influence of system error to experimental data.
In this embodiment, the sterilization module 7 is used for placing the dried analysis test tubes, and performs sterilization treatment on the analysis test tubes, wherein the sterilization module 7 includes a plurality of placing cavities 71 arranged on the surface of the test bed 9, a plurality of cooling support tubes 72 and lamp strips 73, the number of the placing cavities 71 is plural, the cooling support tubes 72 are correspondingly and fixedly arranged in the placing cavities 71, and the lamp strips 73 are wound outside the cooling support tubes 72 along the length direction of the cooling support tubes 72, in this embodiment, the lamp strips 73 are LED ultraviolet lamp strips 73, the LED ultraviolet lamp strips 73 are wound outside the cooling support tubes 72 in a serpentine shape, and the distances between the adjacent lamp strips 73 are equal, wherein the distances can be adjusted and controlled according to the irradiation angles of the lamp strips 73, so as to achieve uniform illumination, and perform comprehensive long-time sterilization and disinfection treatment on the analysis test tubes.
In addition, in this embodiment, the cooling support tube 72 includes a main tube 721 and a cooling tube 722, one end of the cooling tube 722 is inserted through one end of the main tube 721 and is fixedly disposed in a sealing manner, one end of the cooling tube 722, which is far away from the main tube 721, is formed with a cooling medium inlet, the other end of the cooling tube 722 extends into the main tube 721 and is disposed, one side of the main tube 721, which is far away from the extending end of the cooling tube 722, is formed with a cooling medium outlet, and the cooling medium sequentially passes through the cooling medium inlet, the cooling tube 722 and the main tube 721 and is discharged through the cooling medium outlet, so as to implement a cooling effect on the lamp strip 73, and implement a continuous cooling of the lamp strip 73, so as to ensure that the service life of the lamp strip 73 is prolonged.
Of course, in this embodiment, the cooling medium adopts water in the water supply bin 11, specifically, the cooling medium inlet is connected into the water supply bin 11, the cooling medium outlet is also connected into the water supply bin 11 through a pipeline, and the booster pump is fixedly arranged between the cooling medium inlet and the water supply bin 11, when the lamp strip 73 needs to be cooled, the booster pump is started to pump the water in the water supply bin 11 into the cooling support tube 72131, so as to cool the lamp strip 73.
The utility model discloses, in order to be convenient for protect lamp area 73, therefore, the outside cover of cooling support tube 72131 is equipped with transparent safety cover 8, and transparent protection cover adopts the preparation of transparent quartz glass to form, through with cooling support tube 72131 embedded in transparent protection cover, can make the light source pass through transparent safety cover 8's refraction effect on the one hand, the light that makes lamp area 73 take place can be abundant be full of in the whole chamber 71 of placing, the realization is to the disinfecting of analysis test tube, on the other hand transparent protection cover can protect lamp area 73, avoid the water content in the remaining water content of analysis test tube and the air to corrode lamp area 73, influence the electric connection in lamp area 73, reduce the life in lamp area 73.
The utility model discloses in, through fixed cleaning module 1 that sets up on test bench 9, drying module 6, sterilization module 7, when needs wash the analysis test tube, at first do the cleaning work to the analysis test tube through cleaning module 1, locate drying module 6 through the analysis test tube cover after will wasing again on, realize the stoving to the intraductal moisture, again with the analysis test tube cover after drying locate sterilization module 7 in disinfect, and in the utility model, sustainable does the bactericidal treatment to the analysis test tube, avoid system error to produce the influence to experimental data, and in the experimentation, can in time wash the analysis test tube, dry, the integrated processing that disinfects, further promotion experiment process.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. The utility model provides an analytical instrument is used in laboratory convenient to wash, includes the test bench, its characterized in that, fixed cleaning module, drying module, the module of disinfecting of being provided with on the test bench, cleaning module is used for wasing the analysis test tube, drying module is used for carrying out drying process to the analysis test tube after wasing, the module of disinfecting is used for placing the analysis test tube after the stoving, and right the analysis test tube carries out the processing of disinfecting.
2. The laboratory analyzer convenient for cleaning according to claim 1, wherein the cleaning module comprises a water supply bin, a power pump, a cleaning assembly and an opening and closing assembly, the water supply bin, the power pump, the cleaning assembly and the opening and closing assembly are arranged in the test bed, the power pump is communicated with the water supply bin and the cleaning assembly through a pipeline, the opening and closing assembly is fixedly arranged on the pipeline, when the opening and closing assembly senses that the analysis test tube sleeve is arranged on the outer side of the cleaning assembly, the opening and closing assembly opens the pipeline and starts the power pump, and the cleaning assembly cleans the analysis test tube.
3. The laboratory analytical instrument convenient to clean as defined in claim 2, wherein the cleaning assembly comprises a support tube, a driving member and bristles, the driving member is fixedly disposed in the test bed, the support tube is rotatably disposed on the surface of the test bed, the bristles are fixedly disposed on the surface of the support tube, the driving member is in transmission connection with the support tube, and at least one spray hole is formed in the surface of the support tube.
4. The laboratory analytical instrument convenient to wash of claim 3, characterized in that, the subassembly of opening and close includes sensor, solenoid valve, treater, the sensor pass through the treater respectively with power pump between the solenoid valve electric connection, the sensor fix set up in on the test bench, the solenoid valve is located the stay tube with set up between the driving piece, the sensor response the analysis test tube cover is located the signal on the stay tube, and will signal transmission arrives the treater, the treater is respectively to the solenoid valve, power pump send the opening command.
5. The laboratory analytical instrument convenient to clean as defined in claim 4, wherein the drying module comprises a fan, an electric heating net, a fixing tube and a sensing element, the fixing tube is fixedly arranged on the surface of the test bed, the electric heating net is fixedly arranged in the fixing tube, the fan is fixedly arranged on the test bed, an air outlet of the fan is communicated with the fixing tube, the sensing element is fixedly arranged on the surface of the fixing tube, the sensing element senses a signal of the analysis test tube sleeve on the fixing tube and transmits the signal to the processor, and the processor transmits an opening command to the fan and the electric heating net respectively.
6. The laboratory analytical instrument convenient to clean as defined in claim 1, wherein the sterilization module comprises a placement cavity, a cooling support tube and a light strip, the placement cavity is formed in the surface of the test bed, the cooling support tube is fixedly arranged in the placement cavity, and the light strip is fixedly arranged by winding the outside of the cooling support tube along the length direction of the cooling support tube.
7. The laboratory analytical instrument convenient to wash of claim 6, wherein the cooling support tube comprises a main tube and a cooling tube, one end of the cooling tube penetrates through one end of the main tube and is fixedly arranged in a sealing manner, a cooling medium inlet is formed at the end of the cooling tube, the other end of the cooling tube extends to the inner portion of the main tube, a cooling medium outlet is formed at one side of the main tube, which is far away from the extending end of the cooling tube, and the cooling medium sequentially passes through the cooling medium inlet, the cooling tube and the main tube and is discharged through the cooling medium outlet.
8. The laboratory analytical instrument convenient to clean of claim 7, further comprising a booster pump fixedly arranged in the test bed, wherein the cooling medium inlet is communicated with a water supply bin in the cleaning module through the booster pump, and the cooling medium outlet is communicated with the water supply bin.
9. An analytical instrument for laboratories convenient to clean as claimed in claim 8, wherein a transparent protective cover is sleeved on an outer side of said cooling support tube, and said analysis test tube is sleeved on an outer side of said transparent protective cover.
CN202221021221.3U 2022-04-29 2022-04-29 Analytical instrument is used in laboratory convenient to wash Active CN217568828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221021221.3U CN217568828U (en) 2022-04-29 2022-04-29 Analytical instrument is used in laboratory convenient to wash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221021221.3U CN217568828U (en) 2022-04-29 2022-04-29 Analytical instrument is used in laboratory convenient to wash

Publications (1)

Publication Number Publication Date
CN217568828U true CN217568828U (en) 2022-10-14

Family

ID=83547668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221021221.3U Active CN217568828U (en) 2022-04-29 2022-04-29 Analytical instrument is used in laboratory convenient to wash

Country Status (1)

Country Link
CN (1) CN217568828U (en)

Similar Documents

Publication Publication Date Title
CN205341427U (en) Clinical laboratory uses multi -functional tube cleaning device
CN214049872U (en) Food detects uses disinfection system
CN200941782Y (en) Water-saving environment-protecting full-automatic pet bathing machine
CN211057117U (en) High-throughput gene sequencing device for cancer cell gene mutation research
CN217568828U (en) Analytical instrument is used in laboratory convenient to wash
CN208743303U (en) A kind of medical teat glass cleaning device
CN211410245U (en) Laboratory appliance sterilization device for molecular biology
CN218280160U (en) Medical instrument degassing unit
CN215873967U (en) Multifunctional special cabinet for storing protective glasses
CN214457870U (en) Portable full-automatic nucleic acid extraction appearance
CN210907102U (en) Medical equipment cleaning machine of safety and stability
CN209531545U (en) A kind of easy clinical thermometer cleaning sterilizing device
CN212143760U (en) All-in-one is stored in experiment utensil washing disinfection drying
CN217948548U (en) Clothes drying and sterilizing cabinet
CN213162009U (en) Laboratory mouse feeding cage utensil washs case device
CN212821334U (en) B ultrasonic probe cleaning, disinfecting and drying device
CN215082632U (en) Sterilizing device for B-ultrasonic probe
CN214865739U (en) Protein electrophoresis analysis glass clamping piece cleaning machine
CN211865943U (en) Chemical instrumentation belt cleaning device
CN212703400U (en) Gene expression detects auxiliary assembly
CN209630241U (en) A kind of clinical laboratory's chlorination equipment
CN212760222U (en) Clinical laboratory uses cleaning and sterilizing device
CN212806270U (en) Newborn paediatrics feeding bottle drying device
CN220588639U (en) Acupuncture degassing unit
CN219559681U (en) Pathological tissue sampling table

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Zhang Juan

Inventor before: Hu Juan