CN211506647U - Automatic change medicine and sell machine - Google Patents

Automatic change medicine and sell machine Download PDF

Info

Publication number
CN211506647U
CN211506647U CN202020420029.6U CN202020420029U CN211506647U CN 211506647 U CN211506647 U CN 211506647U CN 202020420029 U CN202020420029 U CN 202020420029U CN 211506647 U CN211506647 U CN 211506647U
Authority
CN
China
Prior art keywords
cabinet body
goods
medicine
vending machine
processor
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.)
Expired - Fee Related
Application number
CN202020420029.6U
Other languages
Chinese (zh)
Inventor
隋立鑫
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.)
Shanghai Jianga Technology Co ltd
Original Assignee
Shanghai Mingnuo Network 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 Shanghai Mingnuo Network Technology Co ltd filed Critical Shanghai Mingnuo Network Technology Co ltd
Priority to CN202020420029.6U priority Critical patent/CN211506647U/en
Application granted granted Critical
Publication of CN211506647U publication Critical patent/CN211506647U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

The utility model discloses an automatic medicine vending machine, which comprises a cabinet body, wherein the front surface of the cabinet body is provided with a goods outlet and an instruction input device, the cabinet body is internally provided with a processor, a control module and a communication module, the control module and the communication module are respectively in communication connection with the processor, the cabinet body is also internally provided with a goods cabin for storing medicines to be sold, blanking mouth and the goods device of getting that is used for transferring the medicine of selling on the storehouse to blanking mouth department of waiting, storehouse one side is equipped with the blanking mouth that is linked together with the shipment mouth, get horizontal track and vertical track that the goods device set up including mutually perpendicular, the vertical track of arm moves along horizontal track under first servo motor's effect, the arm can follow vertical track and reciprocate under second servo motor's effect, be provided with air pump and sucking disc on the arm, sucking disc and air pump electrical connection, be provided with infrared sensor and position sensor on the arm.

Description

Automatic change medicine and sell machine
Technical Field
The utility model relates to a sell quick-witted technical field, concretely relates to automatic change medicine and sell machine.
Background
Traditional pharmacy is often set up in the urban area to there is fixed business hours, and the cost that entity pharmacy set up needs is spent, and restricts the set up and the site selection of pharmacy, when the resident who lives in remote area goes out to buy the medicine, needs to spend higher time cost and transportation cost and reach the pharmacy and buy, and in special time quantum such as late night, can't purchase the medicine that the urgent need. For the convenience of residents to purchase common medicines and health care products, the medicine vending machine has a very positive significance, realizes all-weather service and network point setting for comprehensively covering living areas, and has the advantages of strong autonomy, convenience in use, low cost and 24-hour service.
At present, the current medicine vending machine's structural principle does: after the instruction that a certain medicine dropped is received to the vending machine, fix single servo motor behind the different medicine fence and rotate the number of circles of preset, just in time make screens spring advance the stroke of a medicine position, the medicine can pass through infrared sensing light beam at the in-process that drops, this has just been accomplished and has once dropped, but when using, because the size of different types of medicine is different, servo motor is difficult to accomplish in the time of rotating unified, so block easily the medicine and lead to the customer to pay and not get the medicine, or more, and can damage the medicine. In addition, current medicine is sold quick-witted operation mode and is single, and degree of automation is lower, and when the user need purchase the medicine, need go to medicine and sell quick-witted department and set up the operation through the human-computer interaction interface that the machine was sold to the medicine, is difficult to combine to purchase the medicine in order to realize convenient with intelligent terminal, causes very big inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists among the above-mentioned background art, the utility model aims to provide an automatic machine is sold to change medicine, can be accurate quick realization automatic shipment, and can not cause the damage to the medicine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an automatic medicine vending machine, which comprises a cabinet body, wherein part of panels of the cabinet body are transparent panels, a goods outlet and an instruction input device are arranged on the front surface of the cabinet body, a processor, a control module and a communication module are arranged in the cabinet body, the control module and the communication module are respectively in communication connection with the processor, a storehouse for storing medicines to be sold, a blanking port and a goods taking device for transferring the medicines to be sold on the storehouse to the blanking port are also arranged in the cabinet body, the blanking port communicated with the goods outlet is arranged on one side of the storehouse, the goods taking device comprises a horizontal rail, a vertical rail and an mechanical arm which are mutually and vertically arranged, the horizontal rail is positioned at the bottom of the storehouse, the vertical rail moves along the horizontal rail under the action of a first servo motor, the mechanical arm can move up and down along the vertical rail under the action of a second servo motor, the first servo motor drives the vertical track to move, and the second servo motor drives the mechanical arm to move by adopting a driving device in the prior art; first servo motor with second servo motor respectively with the control module electricity is connected, be provided with air pump and sucking disc on the arm, sucking disc and air pump electrical connection, the air pump with the control module electricity is connected, and when the arm moved to assigned position department, control module control air pump began work, and the sucking disc produces suction and firmly adsorbs the medicine surface and gets goods, transfers to the blanking mouth again, be provided with infrared sensor and position sensor on the arm, can judge through position sensor whether the arm removed to the assigned position, can judge through infrared sensor whether there is the medicine assigned position department, instruction input device infrared sensor with position sensor respectively with the treater is connected.
Preferably, the cabinet body is also internally provided with a positioning module for acquiring the position information of the automatic medicine vending machine, the positioning module is connected with the processor, and the positioning module is one or more of a Beidou positioning module, a GPS positioning module and a base station positioning module.
Preferably, the cabinet body is further provided with a display screen for displaying medicine information, operation flow, reminding information and payment information, and the display screen is connected with the processor.
Preferably, a bill printer is further arranged in the cabinet body, a bill outlet capable of enabling a bill printed by the bill printer to slide out is further formed in the front face of the cabinet body, and the bill printer is connected with the processor.
Preferably, an audio playing module is further arranged in the cabinet body, and the audio playing module is connected with the processor.
Preferably, the instruction input device is a code scanner or a password input keyboard.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses well automatic medicine selling machine inside is provided with horizontal track and vertical track that mutually perpendicular set up, the arm is under first servo motor and second servo motor's driving action, and combine infrared sensor and position sensor movable to appointed coordinate position to get goods, then the rethread sets up air pump and sucking disc on the arm, the sucking disc produces suction under the air pump effect and firmly adsorbs the medicine surface and transfer it to the blanking mouth and get goods, can not cause the damage to the sample surface, whole horizontal track and vertical track of getting goods in-process remain throughout perpendicular, can not cause the collision to other medicines, can be accurate quick realization automatic shipment. The utility model discloses in the automatic medicine vending machine that provides have on-line to purchase the medicine and purchase the medicine dual mode under the line, can satisfy the automatic medicine that the customer required to user feedback when purchasing the medicine on-line and sell the machine list to for the different mobile medicine of user's show sells the interior medicine information of waiting to sell, convenience of customers selects, satisfy diversified business demand, improved the degree of automation that the medicine sells the machine, and easy operation has realized that the convenience is purchased the medicine, promotes user experience and feels.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of an external configuration of an automated pharmaceutical product vending machine according to an exemplary embodiment;
FIG. 2 is a schematic diagram of the internal structure of an exemplary automated pharmaceutical vending machine;
FIG. 3 is a schematic structural diagram of a pickup device according to an embodiment;
FIG. 4 is a block diagram of the automated pharmaceutical product vending machine of an embodiment;
FIG. 5 is a block diagram of the automated pharmaceutical vending system of an embodiment;
FIG. 6 is a flow chart of a method for downloading a medication during an automated medication vending process according to an exemplary embodiment;
FIG. 7 is a flowchart illustrating an on-line medicine-purchasing method in the automated medicine-selling method according to the embodiment;
wherein, the specific reference numbers are: the cabinet body 1, shipment mouth 2, instruction input device 3, display screen 4, ticket outlet 5, storehouse 6, blanking mouth 7, get cargo device 8, horizontal track 9, vertical track 10, first servo motor 11, second servo motor 12, arm 13, sucking disc 14.
Detailed Description
An automatic medicine vending machine provided by the embodiment of the utility model is shown in fig. 1 to 4, and comprises a cabinet body 1, wherein part of the panel of the cabinet body 1 is a transparent panel, a goods outlet 2 and an instruction input device 3 are arranged on the front surface of the cabinet body 1, a processor, a control module and a communication module are arranged in the cabinet body 1, the control module and the communication module are respectively in communication connection with the processor, a goods cabin 6 for storing the medicines to be sold, a material dropping opening 7 and a goods taking device 8 for transferring the medicines to be sold on the goods cabin 6 to the material dropping opening 7 are also arranged in the cabinet body 1, the material dropping opening 7 communicated with the goods outlet 2 is arranged on one side of the goods cabin 6, the goods taking device 8 comprises a horizontal rail 9 and a vertical rail 10 which are arranged vertically, and a mechanical arm 13, the horizontal rail 9 is arranged at the bottom of the goods cabin 6, the vertical rail 10 moves along the horizontal rail 9 under the action of a first servo motor 11, the mechanical arm 13 can move up and down along the vertical track 10 under the action of the second servo motor 12, and the specific driving device in the prior art is adopted for driving the vertical track 10 to move by the first servo motor 11 and driving the mechanical arm 13 to move by the second servo motor 12; first servo motor 11, second servo motor 12 and arm 13 is connected with the control module electricity respectively, is provided with air pump and sucking disc 14 on the arm 13, sucking disc 14 and air pump electric connection, and the air pump is connected with the control module electricity, is provided with infrared sensor and position sensor on the arm 13, can judge through position sensor whether arm 13 moves to appointed coordinate position, can judge whether there is the medicine appointed coordinate position department through infrared sensor, and instruction input device 3, infrared sensor and position sensor are connected with the treater respectively. During the use, get the goods sign indicating number through instruction input device 3 input, control module calculates the medicine position after receiving and getting the goods instruction, through controlling first servo motor 11 and second servo motor 12, and combine infrared sensor and position sensor can drive arm 13 and move to appointed coordinate position department, horizontal track 9 and vertical track 10 remain perpendicularly throughout in the motion process, can not cause the collision to other medicines, when arm 13 moves to appointed coordinate position department, control module control air pump begins work, sucking disc 14 produces suction and firmly adsorbs the medicine surface and gets goods, rethread control first servo motor 11 and second servo motor 12 move the medicine that arm 13 adsorbs to blanking mouth 7, the medicine falls to shipment mouth 2 under the effect of gravity automatically, the user gets goods through shipment mouth 2 can.
Wherein, communication module includes wired communication module and/or wireless communication module, and wireless communication module includes one or several kinds in 3G communication module, 4G communication module, WIFI communication module, the bluetooth communication module.
Wherein, still be provided with the orientation module who is used for acquireing automatic medicine and sells quick-witted positional information in the cabinet body 1, orientation module is connected with the treater, and orientation module is one or several kinds among big dipper orientation module, GPS orientation module, the basic station orientation module.
Wherein, still be provided with the display screen 4 that is used for showing medicine information, operation flow, warning information, payment information on the cabinet body 1, display screen 4 is connected with the treater.
Wherein, still be provided with the bill printer in the cabinet body 1, the positive department of the cabinet body 1 still is provided with the ticket outlet 5 that can roll off the bill that the bill printer printed out, and the bill printer is connected with the treater.
Wherein, still set up audio playback module in the cabinet body 1, audio playback module is connected with the treater.
The command input device 3 is a code scanner or a password input keyboard.
As shown in fig. 5, the automatic medicine vending system provided by this embodiment includes an automatic medicine vending machine, a system server, and an intelligent terminal, where the intelligent terminal and the automatic medicine vending machine are in communication connection with the system server respectively;
the intelligent terminal sends input selection information such as position information or keywords to the system server, then selects and determines a target automatic medicine vending machine according to an automatic medicine vending machine list fed back by the system server, displays information of medicines to be sold according to the automatic medicine vending machine selected by a customer, wherein the information of the medicines to be sold comprises names, quantities and prices of the medicines to be sold, generates payment information after determining the names, quantities and payment modes of selected medicines, pays at the intelligent terminal according to the specified payment mode after determining the payment, sends the names, quantities and payment states of the selected medicines to the system server, and receives a goods taking code fed back by the system server;
the system server can acquire form information containing an automatic medicine vending machine list and commodity information, edit the form information according to selection information uploaded by the intelligent terminal, acquire the automatic vending machine list matched with the selection information, issue the automatic vending machine list to the intelligent terminal, generate a goods picking code after acquiring the name, the quantity and the payment state of a selected medicine uploaded by the intelligent terminal, and issue the goods picking code to the intelligent terminal;
the automatic medicine vending machine receives the goods taking code input by the user through the communication module, and controls the automatic medicine vending machine to output the user selected and purchased medicines according to the goods taking code.
Wherein, intelligent terminal still can be through scanning automatic medicine and sell the two-dimensional code access system server on the machine to show the medicine information of waiting to sell in this automatic medicine selling machine.
The automatic medicine selling method provided by the embodiment applies the automatic medicine selling system, and comprises the following steps:
s1, inputting selection information in a shopping APP through the intelligent terminal, and accessing a system server to obtain a list interface of the automatic medicine vending machine;
s2, selecting and determining a target automatic medicine vending machine on an automatic medicine vending machine list interface through the intelligent terminal, and displaying a to-be-sold medicine information interface of the target automatic medicine vending machine by the system server according to the click state of a user;
s3, determining the name, the quantity and the payment mode of the purchased medicine through the intelligent terminal on the information interface of the medicine to be sold, paying through an online payment mode, and receiving a goods taking code fed back by the system server;
s4, getting goods from the automatic medicine vending machine according to the goods getting code obtained from the intelligent terminal.
Step S1 may also be performed by scanning the two-dimensional code on the automatic medicine vending machine through the intelligent terminal to access the system server, and obtaining the information interface of the medicine to be sold of the automatic medicine vending machine.
In summary, the automated medicine selling method provided by the embodiment includes two ways of off-line medicine purchasing and on-line medicine purchasing.
The first offline drug purchasing route is shown in figure 6 and comprises the following steps:
s1, the user opens a two-dimensional code access system server on the automatic medicine vending machine through the intelligent terminal, the intelligent terminal displays a to-be-sold medicine information interface of the automatic medicine vending machine, and the medicine information comprises commodity names, commodity quantity and commodity price;
s2, determining the name, the quantity and the payment mode of the purchased medicine through the intelligent terminal on the information interface of the medicine to be sold, and paying through an online payment mode, for example, clicking a WeChat payment or Paibao payment button, and inputting a password to finish payment;
s3, the intelligent terminal sends the name, the quantity and the payment state of the paid medicine to the system server and receives the goods taking code fed back by the system server;
s4, get the goods sign indicating number or get the goods sign indicating number through the mode discernment of scanning at the automatic medicine vending machine through the input of instruction input device 3, the automatic medicine vending machine discernment is got the goods sign indicating number of getting that the goods sign indicating number was issued with system server after the discernment and is verified, if verify successfully, then when control module control assigned coordinate position department, and control air pump begins work, sucking disc 14 produces suction and firmly adsorbs the medicine surface and gets goods, rethread control first servo motor 11 and second servo motor 12 remove the absorbent medicine of arm 13 to blanking mouth 7, the medicine falls to shipment mouth 2 under the action of gravity automatically, the user gets goods can through shipment mouth 2.
Secondly, the on-line medicine purchasing route is shown in figure 7 and comprises the following steps:
s1, a user inputs selection information such as position information or keyword information and other operation instructions in shopping APP (such as own APP of a merchant, hungry or beautiful groups) through the intelligent terminal, the system server edits form information according to the operation instructions of the user, obtains an automatic vending machine list matched with the selection information and issues the automatic vending machine list to the intelligent terminal, for example, the automatic vending machine list in a specified area is determined by inquiring according to the position information uploaded by the intelligent terminal and issued to the intelligent terminal, or the automatic vending machine list in the specified area matched with the keyword is determined according to the position information and the keyword information uploaded by the intelligent terminal and issued to the intelligent terminal;
s2, selecting and determining a target automatic medicine vending machine on an automatic medicine vending machine list interface on the intelligent terminal, and displaying a to-be-sold medicine information interface of the target automatic medicine vending machine by the system server according to a user click state, wherein the medicine information comprises a commodity name, a commodity quantity and a commodity price;
s3, determining the name, the quantity and the payment mode of the purchased medicine through the intelligent terminal on the information interface of the medicine to be sold, and paying through an online payment mode, for example, clicking a WeChat payment or Paibao payment button, and inputting a password to finish payment;
s4, the intelligent terminal sends the name, the quantity and the payment state of the paid medicine to the system server, receives the goods taking code fed back by the system server and pushes the goods taking code to a rider in the corresponding APP;
s5, the rider gets the goods code or gets the goods code through the mode discernment of scanning to appointed automatic medicine vending machine through the input of instruction input device 3, automatic medicine vending machine discernment is got the goods code and is verified with getting the goods code that system server issued after the goods code, if verify successfully, when then control module control appointed coordinate position department, and control the air pump and begin work, sucking disc 14 produces suction and firmly adsorbs the medicine surface and gets the goods, rethread control first servo motor 11 and second servo motor 12 remove the absorbent medicine of arm 13 to blanking mouth 7, the medicine falls to shipment mouth 2 under the action of gravity automatically, the rider gets the goods through shipment mouth 2, it can to deliver for the customer again.
The automatic medicine selling method provided by the embodiment can display various commodities for the user, is convenient for the user to select, provides various goods picking modes for the user, meets the diversified business requirements of operators, realizes accurate and rapid automatic selling, and improves the automation degree of a selling system.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (6)

1. An automatic medicine vending machine is characterized by comprising a cabinet body, wherein a goods outlet and an instruction input device are arranged on the front surface of the cabinet body, a processor, a control module and a communication module are arranged in the cabinet body, the control module and the communication module are respectively in communication connection with the processor, a goods cabin for storing medicines to be sold, a material dropping port and a goods taking device for transferring the medicines to be sold on the goods cabin to the material dropping port are further arranged in the cabinet body, the material dropping port communicated with the goods outlet is arranged on one side of the goods cabin, the goods taking device comprises a horizontal rail, a vertical rail and a mechanical arm which are perpendicular to each other, the horizontal rail is positioned at the bottom of the goods cabin, the vertical rail moves along the horizontal rail under the action of a first servo motor, the mechanical arm can move up and down along the vertical rail under the action of a second servo motor, the first servo motor and the second servo motor are respectively electrically connected with the control module, an air pump and a sucker are arranged on the mechanical arm, the sucker is electrically connected with the air pump, the air pump is electrically connected with the control module, an infrared sensor and a position sensor are arranged on the mechanical arm, and the instruction input device, the infrared sensor and the position sensor are respectively connected with the processor.
2. The automatic medicine vending machine of claim 1, wherein a positioning module for acquiring position information of the automatic medicine vending machine is further arranged in the cabinet body, the positioning module is connected with the processor, and the positioning module is one or more of a Beidou positioning module, a GPS positioning module and a base station positioning module.
3. The automatic medicine vending machine according to claim 1 or 2, wherein a display screen for displaying medicine information, operation procedures, reminding information and payment information is further arranged on the cabinet body, and the display screen is connected with the processor.
4. The automated medicine vending machine according to claim 3, wherein a bill printer is further arranged in the cabinet body, a bill outlet through which a bill printed by the bill printer can slide out is further arranged at the front face of the cabinet body, and the bill printer is connected with the processor.
5. The automated medication vending machine of claim 1, wherein an audio playback module is further disposed within the cabinet body, the audio playback module being coupled to the processor.
6. An automated pharmaceutical product vending machine according to claim 1, wherein the command input device is a code scanner or a password entry keypad.
CN202020420029.6U 2020-03-27 2020-03-27 Automatic change medicine and sell machine Expired - Fee Related CN211506647U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020420029.6U CN211506647U (en) 2020-03-27 2020-03-27 Automatic change medicine and sell machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020420029.6U CN211506647U (en) 2020-03-27 2020-03-27 Automatic change medicine and sell machine

Publications (1)

Publication Number Publication Date
CN211506647U true CN211506647U (en) 2020-09-15

Family

ID=72403215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020420029.6U Expired - Fee Related CN211506647U (en) 2020-03-27 2020-03-27 Automatic change medicine and sell machine

Country Status (1)

Country Link
CN (1) CN211506647U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113793448A (en) * 2021-09-15 2021-12-14 上海健麾信息技术股份有限公司 Intelligent self-service medicine selling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113793448A (en) * 2021-09-15 2021-12-14 上海健麾信息技术股份有限公司 Intelligent self-service medicine selling machine

Similar Documents

Publication Publication Date Title
CN108352094B (en) Vending machine and method for remote sale of controlled goods
US7630788B1 (en) Pharmaceutical system in which pharmaceutical care is provided by a remote professional serving multiple pharmacies
DE69527618T2 (en) SYSTEM FOR SENDING AND COLLECTING MAIL PIECES
US20160260148A1 (en) Systems, devices and methods for monitoring modular compliance in a shopping space
CN109525856B (en) Live broadcast selective purchasing and distribution system
CN107203793A (en) A kind of Library services system and method based on robot
CN110189483A (en) Robot article receiving and sending method, relevant apparatus, article receiving and sending robot and storage medium
CN112070979A (en) Unmanned dining car, unmanned on-site manufacturing and unmanned selling dining sharing system and method
JP2019153211A (en) Autonomous moving body and pharmaceutical delivery system
CN107610746A (en) A kind of intelligent pharmacy's service system and its implementation
US20200182634A1 (en) Providing path directions relating to a shopping cart
CN115024624A (en) Automatic takeout delivery system and equipment for unmanned independent restaurant
CN211506647U (en) Automatic change medicine and sell machine
WO2018129806A1 (en) Boxless self-service shopping system and operating method thereof
CN212873646U (en) Automatic medicine selling system supporting medical insurance electronic certificate
CN112419606A (en) Multifunctional medicine selling machine equipment and method
CN113450508A (en) Automatic medicine vending machine, vending system and vending method
CN107424306A (en) Cloud vending machine, control method and control system
US20150310411A1 (en) Method for purchasing or claiming a product using a portable communication device
CN113077597A (en) Full-automatic intelligent mobile unmanned service vehicle and implementation method thereof
CN105575005B (en) Optical disc automatic lending machine and its system, method
CN106875578A (en) Laser disc automatic lending machine and its system, method
CN114715582A (en) Retail goods taking and delivering system and method for unmanned store
CN112381535A (en) Control method of intelligent spare truck
CN114639197B (en) Unmanned medicine vending machine and application thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210708

Address after: Room 629, building 2, no.1988, panchuan Road, Baoshan District, Shanghai, 2009

Patentee after: Shanghai jianga Technology Co.,Ltd.

Address before: Room w-2412, 559 yueluo Road, Baoshan District, Shanghai, 200941

Patentee before: Shanghai Mingnuo Network Technology Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200915