CN105892533B - A kind of wireless humiture controller monitored for cold chain storage environment - Google Patents

A kind of wireless humiture controller monitored for cold chain storage environment Download PDF

Info

Publication number
CN105892533B
CN105892533B CN201610083172.9A CN201610083172A CN105892533B CN 105892533 B CN105892533 B CN 105892533B CN 201610083172 A CN201610083172 A CN 201610083172A CN 105892533 B CN105892533 B CN 105892533B
Authority
CN
China
Prior art keywords
pin
resistance
external power
srwf
pmos
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
CN201610083172.9A
Other languages
Chinese (zh)
Other versions
CN105892533A (en
Inventor
徐子峰
丛怡
毕振生
胡桂华
胡晋
高学帅
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.)
Shandong Guide Information Technology Co Ltd
Original Assignee
Shandong Guide Information 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 Shandong Guide Information Technology Co Ltd filed Critical Shandong Guide Information Technology Co Ltd
Priority to CN201610083172.9A priority Critical patent/CN105892533B/en
Publication of CN105892533A publication Critical patent/CN105892533A/en
Application granted granted Critical
Publication of CN105892533B publication Critical patent/CN105892533B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Abstract

The present invention relates to a kind of cold chain storage control technology field, more particularly to a kind of wireless humiture controller monitored for cold chain storage environment.The technical scheme is that:Comprising external power supply, humiture sample circuit, core single-chip microcomputer, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits, humiture sample circuit, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits are connected with the I/O mouthful and external power supply of core single-chip microcomputer respectively.The advantage of the invention is that being applicable in the management of various cold chain storage links, installation, low easy to operate, cost, efficiency high, simple and reliable for structure, security performance are high, feedback time is rapid, in good time, make to control the information of humiture in good time in warehousing management, it is easy to management, in time, effectively, in good time, type of alarm is various for alarm, flexibly, receiving position is convenient to be operated installation site.

Description

A kind of wireless humiture controller monitored for cold chain storage environment
Technical field
The present invention relates to a kind of cold chain store in a warehouse control technology field, more particularly to it is a kind of for cold chain storage environment monitor Wireless humiture controller.
Background technology
Need the goods that cold chain is controlled receiving related according to the relevant regulations of country, check and accept, store, deliver, dispense, transport The logistics links such as defeated carry out strict, uninterrupted cold chain control management.According to the storage characteristics of article, it is desirable to use proprietary skill Art and facility, with the stabilization of the quality that ensures relative article, effectively.Requirement to the storage environment of these articles is very high, because This to cold chain storage environment control, supervision etc. step just seem particularly significant.
The content of the invention
To solve above technical problem, the present invention proposes a kind of wireless humiture control monitored for cold chain storage environment Device, comprising external power supply, humiture sample circuit, core single-chip microcomputer, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits, the humiture sample circuit, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmitting-receiving electricity Road is connected with the I/O mouthful and external power supply of core single-chip microcomputer respectively, and the external power supply includes the external electricity of M72 Source, 4V2 external power supplys, 3V3 external power supplys, the wireless transceiver circuit includes SRWF-1E80 wireless data transmission modules and four are dialled Code switch, No. 1 pin ground wire of the SRWF-1E80 wireless data transmission modules, No. 2 pin point of SRWF-1E80 wireless data transmission modules Lian Jie not 3V3 external power supplys and the ground wire after electric capacity C13, No. 3 pin and the core list of SRWF-1E80 wireless data transmission modules The transmission FPDP of piece machine is connected, No. 4 pin of SRWF-1E80 wireless data transmission modules and the reception number of the core single-chip microcomputer It is connected according to port, No. 5 pin of SRWF-1E80 wireless data transmission modules are connected with No. 1 pin of the 4-bit DIP switch, No. 6 pin of SRWF-1E80 wireless data transmission modules are divided into two after resistance R12, wherein one external with 3V3 after resistance R10 Power supply is connected, another ground wire after electric capacity C14, SRWF-1E80 wireless data transmission modules 11, after No. 13 pin short circuits with ground Line is connected, No. 22 pin ground wires of SRWF-1E80 wireless data transmission modules, No. 23 pin of SRWF-1E80 wireless data transmission modules with No. 3 pin of the 4-bit DIP switch are connected, No. 24 pin and the 4-bit DIP switch of SRWF-1E80 wireless data transmission modules No. 2 pin be connected, No. 28 pin of SRWF-1E80 wireless data transmission modules are connected with No. 4 pin of the 4-bit DIP switch, No. 35 pin connection ground wire of SRWF-1E80 wireless data transmission modules, No. 36 pin of SRWF-1E80 wireless data transmission modules connect external day Line, the 4-bit DIP switch 5,6,7, be connected with ground wire after No. 8 pin short circuits, the humiture sample circuit includes sensing Device, base stage of the sensor with triode Q5 after resistance R48 is connected, triode Q5 grounded emitter line, triode Q5 colelctor electrode connects 3V3 external power supplys, another connection PMOS Q7 G level phases after being divided into two, a connection resistance R47 Connection, the D poles of the PMOS Q7 are connected with 3V3 external power supplys, the S poles of the PMOS Q7 with substrate is extremely short connect after with connecting No. 1 pin for meeting device P5 is connected, and No. 2 pin of the connector P5 are connected with the sensing data port of the core single-chip microcomputer Connect, No. 3 pin of the connector P5 are connected with the sensor clock port of the core single-chip microcomputer, the 4 of the connector P5 Number pin connection ground wire, No. 3 pin of the connector P5 through resistance R51, No. 2 pin through resistance R50 it is in parallel after be connected with No. 1 pin, The GPRS transmission circuits include GPRS chips and GRPS on-off control circuits, the signal sending end mouthful and core of the GPRS chips The GPRS receiver ports of heart single-chip microcomputer are connected, the receiver port of the GPRS chips and the GPRS of core single-chip microcomputer Signal sending end mouthful is connected, and the power port of the GPRS chips is connected with the M72 external power supplys of external power supply, described The triode Q1, the triode Q1 of GPRS on-off control circuits including NPN type base stage by after resistance R18 with core monolithic The I/O of machine mouthful is connected, the grounded emitter line of the triode Q1, the colelctor electrode of the triode Q1 with it is in parallel A circuit and two circuits be connected, G poles and the triode Q1 of a circuit including PMOS Q8, the PMOS Q8 Colelctor electrode be connected, PMOS Q8 S poles are connected with 4V2 external power supplys, and the D poles of the PMOS Q8 are connected with substrate pole It is connected afterwards with M72 external power supplys, the S poles of the PMOS Q8 are connected after resistance R54 with its G pole, No. two include PMOS Pipe Q2, the G poles of the PMOS Q2 are connected with triode Q1 colelctor electrode, and PMOS Q2 S poles are connected with 4V2 external power supplys Connect, the D poles of the PMOS Q2 are connected after being connected with substrate pole with M72 external power supplys, the S poles of the PMOS Q2 are through resistance It is connected after R15 with its G pole.
The technical program can be optimized for, and the electric capacity C13 is 100nF, and electric capacity C14 is 100 nF, resistance R12 resistance It is worth for 1000 ohm, the resistance R10 is that resistance value is 10K ohm, the resistance value of the resistance R48 is 1000 ohm, described Resistance R47 resistance value is 10K ohm, and the resistance value of the resistance R50 is 10K ohm, and the resistance value of the resistance R51 is 10K ohm, the resistance value of the resistance R18 is 1000 ohm, and the resistance value of the resistance R54 is 10K ohm, the resistance R15 resistance value is 10K ohm.
It can also be optimized for, the core single-chip microcomputer refers to STM32F103VET6 controllers.
Further it is optimized for, the warning circuit includes sound light alarming circuit and GSM message warning circuit.
The advantage of the invention is that being applicable in the management of various cold chain storage links, installation, easy to operate, cost Low, efficiency high, simple and reliable for structure, security performance are high, and feedback time is rapid, in good time, makes the letter to humiture in warehousing management Breath is controlled in good time, is easy to management, in time, effectively, in good time, type of alarm is various for alarm, flexibly, receiving position is convenient for installation site Operation.
Brief description of the drawings
Fig. 1 is the overall structure figure of the present invention;
Fig. 2 is the structure chart of the wireless transceiver circuit of the present invention.
Fig. 3 is the humiture sample circuit of the present invention
Fig. 4 is the structure chart of the GPRS transmission circuits of the present invention.
Embodiment
Specific embodiment:
It is of the invention with reference to the technical program specific implementation situation is described in detail as shown in Fig. 1 and Fig. 2, Fig. 3 and Fig. 4 A kind of wireless humiture controller monitored for cold chain storage environment is proposed, external power supply, humiture sample circuit, core is included Heart single-chip microcomputer, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits, the humiture sample circuit, report Alert circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits respectively with the I/O mouthful of core single-chip microcomputer with And external power supply is connected, the external power supply includes M72 external power supplys, 4V2 external power supplys, 3V3 external power supplys, described wireless Transmission circuit includes SRWF-1E80 wireless data transmission modules and 4-bit DIP switch, the 1 of the SRWF-1E80 wireless data transmission modules Number pin ground wire, No. 2 pin of SRWF-1E80 wireless data transmission modules connect 3V3 external power supplys and are grounded after electric capacity C13 respectively Line, No. 3 pin of SRWF-1E80 wireless data transmission modules are connected with the transmission FPDP of the core single-chip microcomputer, SRWF-1E80 No. 4 pin of wireless data transmission module are connected with the reception FPDP of the core single-chip microcomputer, SRWF-1E80 wireless data transmission modules No. 5 pin be connected with No. 1 pin of the 4-bit DIP switch, No. 6 pin of SRWF-1E80 wireless data transmission modules are through resistance R12 After be divided into two, wherein one is connected after resistance R10 with 3V3 external power supplys, another ground wire after electric capacity C14, SRWF-1E80 wireless data transmission modules 11, be connected with ground wire after No. 13 pin short circuits, the 22 of SRWF-1E80 wireless data transmission modules Number pin ground wire, No. 23 pin of SRWF-1E80 wireless data transmission modules are connected with No. 3 pin of the 4-bit DIP switch, SRWF- No. 24 pin of 1E80 wireless data transmission modules are connected with No. 2 pin of the 4-bit DIP switch, SRWF-1E80 wireless data transmission modules No. 28 pin be connected with No. 4 pin of the 4-bit DIP switch, No. 35 pin of SRWF-1E80 wireless data transmission modules connection ground Line, No. 36 pin connection external antenna of SRWF-1E80 wireless data transmission modules, the 4-bit DIP switch 5,6,7, No. 8 pin it is short Be connected with ground wire after connecing, the humiture sample circuit includes sensor, the sensor after resistance R48 with triode Q5 Base stage be connected, triode Q5 grounded emitter line, triode Q5 colelctor electrode is divided into two, a connection resistance R47 3V3 external power supplys are connected afterwards, and another connection PMOS Q7 G levels are connected, D poles and the external electricity of 3V3 of the PMOS Q7 Source is connected, and the S poles of the PMOS Q7 are connected with connector P5 No. 1 pin afterwards with extremely short connect of substrate, the connector P5 No. 2 pin be connected with the sensing data port of the core single-chip microcomputer, No. 3 pin of the connector P5 and the core list The sensor clock port of piece machine is connected, No. 4 pin connection ground wire of the connector P5, No. 3 pin warp of the connector P5 Resistance R51, No. 2 pin are connected after resistance R50 parallel connections with No. 1 pin, and the GPRS transmission circuits include GPRS chips and GRPS On-off control circuit, the signal sending end mouthful of the GPRS chips is connected with the GPRS receiver ports of core single-chip microcomputer, The receiver port of the GPRS chips is connected with the GPRS signal sending ends mouthful of core single-chip microcomputer, the GPRS chips Power port is connected with the M72 external power supplys of external power supply, and the GPRS on-off control circuits include the triode of NPN type Q1, the triode Q1 base stage are connected by the I/O mouthful after resistance R18 with core single-chip microcomputer, the triode Q1 grounded emitter line, the colelctor electrode of the triode Q1 is connected with a circuit in parallel and two circuits, described No. one Circuit includes PMOS Q8, and the G poles of the PMOS Q8 are connected with triode Q1 colelctor electrode, PMOS Q8 S poles and 4V2 External power supply is connected, and the D poles of the PMOS Q8 are connected after being connected with substrate pole with M72 external power supplys, the PMOS Q8 S poles are connected after resistance R54 with its G pole, No. two G poles including PMOS Q2, the PMOS Q2 and triode Q1 Colelctor electrode be connected, PMOS Q2 S poles are connected with 4V2 external power supplys, and the D poles of the PMOS Q2 are connected with substrate pole It is connected afterwards with M72 external power supplys, the S poles of the PMOS Q2 are connected after resistance R15 with its G pole.
The electric capacity C13 is 100nF, and electric capacity C14 is 100 nF, and resistance R12 resistance value is 1000 ohm, the resistance R10 is that resistance value is 10K ohm, and the resistance value of the resistance R48 is 1000 ohm, and the resistance value of the resistance R47 is 10K Europe Nurse, the resistance value of the resistance R50 is 10K ohm, and the resistance value of the resistance R51 is 10K ohm, the electricity of the resistance R18 Resistance is 1000 ohm, and the resistance value of the resistance R54 is 10K ohm, and the resistance value of the resistance R15 is 10K ohm.It is described Core single-chip microcomputer refers to STM32F103VET6 controllers.The warning circuit includes sound light alarming circuit and GSM message alarm electricity Road.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (4)

1. it is a kind of for cold chain storage environment monitor wireless humiture controller, comprising external power supply, humiture sample circuit, Core single-chip microcomputer, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits, it is characterised in that described warm and humid Spend sample circuit, warning circuit, LCD display circuit, wireless transceiver circuit, GPRS transmission circuits defeated with core single-chip microcomputer respectively Go out input port and external power supply is connected, it is external that the external power supply includes M72 external power supplys, 4V2 external power supplys, 3V3 Power supply, the wireless transceiver circuit include SRWF-1E80 wireless data transmission modules and 4-bit DIP switch, the SRWF-1E80 without No. 1 pin ground wire of line number transmission module, No. 2 pin of SRWF-1E80 wireless data transmission modules connect 3V3 external power supplys and through electricity respectively Hold ground wire after C13, No. 3 pin of SRWF-1E80 wireless data transmission modules are connected with the transmission FPDP of the core single-chip microcomputer Connect, No. 4 pin of SRWF-1E80 wireless data transmission modules are connected with the reception FPDP of the core single-chip microcomputer, SRWF-1E80 No. 5 pin of wireless data transmission module are connected with No. 1 pin of the 4-bit DIP switch, No. 6 of SRWF-1E80 wireless data transmission modules Pin is divided into two after resistance R12, wherein one is connected after resistance R10 with 3V3 external power supplys, another through electric capacity C14 Ground wire afterwards, SRWF-1E80 wireless data transmission modules 11, be connected with ground wire after No. 13 pin short circuits, SRWF-1E80 wireless data sendings No. 22 pin ground wires of module, No. 23 pin of SRWF-1E80 wireless data transmission modules are connected with No. 3 pin of the 4-bit DIP switch Connect, No. 24 pin of SRWF-1E80 wireless data transmission modules are connected with No. 2 pin of the 4-bit DIP switch, and SRWF-1E80 is wireless No. 28 pin of digital transmission module are connected with No. 4 pin of the 4-bit DIP switch, No. 35 pin of SRWF-1E80 wireless data transmission modules Connect ground wire, No. 36 pin connection external antenna of SRWF-1E80 wireless data transmission modules, 5,6,7, the 8 of the 4-bit DIP switch It is connected after number pin short circuit with ground wire, the humiture sample circuit includes sensor, the sensor is after resistance R48 with three Level pipe Q5 base stage is connected, triode Q5 grounded emitter line, and triode Q5 colelctor electrode is divided into two, a connection electricity Hinder and 3V3 external power supplys are connected after R47, another connection PMOS Q7 G levels are connected, outside the D poles of the PMOS Q7 and 3V3 Connect power supply to be connected, the S poles of the PMOS Q7 are connected with connector P5 No. 1 pin afterwards with extremely short connect of substrate, the connection Device P5 No. 2 pin are connected with the sensing data port of the core single-chip microcomputer, No. 3 pin and the core of the connector P5 The sensor clock port of heart single-chip microcomputer is connected, No. 4 pin connection ground wire of the connector P5, No. 3 of the connector P5 Pin through resistance R51, No. 2 pin through resistance R50 it is in parallel after be connected with No. 1 pin, the GPRS transmission circuits include GPRS chips and GRPS on-off control circuits, the signal sending end mouthful of the GPRS chips is connected with the GPRS receiver ports of core single-chip microcomputer Connect, the receiver port of the GPRS chips is connected with the GPRS signal sending ends mouthful of core single-chip microcomputer, the GPRS cores The power port of piece is connected with the M72 external power supplys of external power supply, and the GPRS on-off control circuits include three poles of NPN type Pipe Q1, the triode Q1 base stage are connected by the I/O mouthful after resistance R18 with core single-chip microcomputer, three pole Pipe Q1 grounded emitter line, the colelctor electrode of the triode Q1 is connected with a circuit in parallel and two circuits, and described one Number circuit includes PMOS Q8, and the G poles of the PMOS Q8 are connected with triode Q1 colelctor electrode, PMOS Q8 S poles and 4V2 external power supplys are connected, and the D poles of the PMOS Q8 are connected after being connected with substrate pole with M72 external power supplys, the PMOS Pipe Q8 S poles are connected after resistance R54 with its G pole, and No. two include PMOS Q2, the G poles of the PMOS Q2 and triode Q1 colelctor electrode is connected, and PMOS Q2 S poles are connected with 4V2 external power supplys, and D poles and the substrate pole of the PMOS Q2 connect It is connected after connecing with M72 external power supplys, the S poles of the PMOS Q2 are connected after resistance R15 with its G pole.
2. a kind of wireless humiture controller monitored for cold chain storage environment according to claim 1, its feature exists It is 100nF in the electric capacity C13, electric capacity C14 is 100 nF, and resistance R12 resistance value is 1000 ohm, and the resistance R10 is Resistance value is 10K ohm, and the resistance value of the resistance R48 is 1000 ohm, and the resistance value of the resistance R47 is 10K ohm, institute The resistance value for stating resistance R50 is 10K ohm, and the resistance value of the resistance R51 is 10K ohm, and the resistance value of the resistance R18 is 1000 ohm, the resistance value of the resistance R54 is 10K ohm, and the resistance value of the resistance R15 is 10K ohm.
3. a kind of wireless humiture controller monitored for cold chain storage environment according to claim 1 to 2 is any, its It is characterised by that the core single-chip microcomputer refers to STM32F103VET6 controllers.
4. a kind of wireless humiture controller monitored for cold chain storage environment according to claim 1 to 2 is any, its It is characterised by that the warning circuit includes sound light alarming circuit and GSM message warning circuit.
CN201610083172.9A 2016-02-06 2016-02-06 A kind of wireless humiture controller monitored for cold chain storage environment Active CN105892533B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610083172.9A CN105892533B (en) 2016-02-06 2016-02-06 A kind of wireless humiture controller monitored for cold chain storage environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610083172.9A CN105892533B (en) 2016-02-06 2016-02-06 A kind of wireless humiture controller monitored for cold chain storage environment

Publications (2)

Publication Number Publication Date
CN105892533A CN105892533A (en) 2016-08-24
CN105892533B true CN105892533B (en) 2017-07-28

Family

ID=57013716

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610083172.9A Active CN105892533B (en) 2016-02-06 2016-02-06 A kind of wireless humiture controller monitored for cold chain storage environment

Country Status (1)

Country Link
CN (1) CN105892533B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108000715A (en) * 2018-01-23 2018-05-08 深圳市晟腾企业管理有限公司 A kind of cement mortar determines wet mixer
CN108214912A (en) * 2018-01-23 2018-06-29 深圳市晟腾企业管理有限公司 A kind of automatic control type cement stirring device
CN108189225A (en) * 2018-01-23 2018-06-22 深圳市晟腾企业管理有限公司 A kind of construction site mixed mortar blender

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202815521U (en) * 2012-06-06 2013-03-20 海尔集团公司 Remote cooler management system
CN103968636A (en) * 2013-02-04 2014-08-06 福建新大陆电脑股份有限公司 Cloud refrigerator with function of remote temperature monitoring
CN203325194U (en) * 2013-07-22 2013-12-04 深圳市博实结科技有限公司 Vehicle-mounted terminal for cold chain transport vehicle
CN103514525A (en) * 2013-08-27 2014-01-15 北京华海隆科技有限公司 Temperature real-time monitoring and tracing system
HUP1400188A2 (en) * 2014-04-04 2015-10-28 Pannon Cargo & Sped Trans Kft Method and system to realize a temperature-controlled storage, transport, logistic technology

Also Published As

Publication number Publication date
CN105892533A (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CN105892533B (en) A kind of wireless humiture controller monitored for cold chain storage environment
KR101323686B1 (en) Monitoring and controlling system for reefer container
US20140329467A1 (en) Wireless communications capable power distribution unit and techniques for communicating therewith
US20230058686A1 (en) Distributed charging station
CN203204735U (en) Remote controller seeking system
TW200421897A (en) Operation monitoring system
CN206179188U (en) Home appliance remote controller , handheld terminal in location and home appliance remote controller positioning system
CN104252640A (en) Electronic tag and article monitoring system employing same
CN109507898A (en) A kind of smart home trip object management system
CN205405301U (en) Wireless humiture system to cold chain storage environment supervision
CN104021640A (en) Antitheft control device and control method for digital display product
KR20080068969A (en) System for taking and controlling the temperature
CN201497275U (en) Network refrigerator for transmitting information through power line
US9621965B2 (en) Module, circuit and method of communication for detection device and sensor comprising such a module, in particular for explosive atmosphere
CN203152726U (en) Electronic-induction interactive badge
CN205156504U (en) Low -power consumption fridge monitored control system
CN204256818U (en) Active electric Force system safety device
JP6334466B2 (en) Transportation status monitoring system
CN105573389B (en) A kind of temperature and humidity controller for refrigerating box supervision
CN203241172U (en) A wireless temperature measuring apparatus used in high-voltage cabinets
CN202957889U (en) Remote controller of smart phone
KR101827133B1 (en) Showcase using energy harvesting sensor module and temperature controlling method thereof
CN206442525U (en) A kind of wireless penetration network transmission device
CN206833683U (en) Engineering calling system and production line
CN110658755A (en) Intelligent system for monitoring logistics safety

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Xu Zifeng

Inventor after: Cong Yi

Inventor after: Bi Zhensheng

Inventor after: Hu Guihua

Inventor after: Hu Jin

Inventor after: Gao Xueshuai

Inventor before: Xu Zifeng

Inventor before: Bi Zhensheng

Inventor before: Hu Guihua

Inventor before: Hu Jin

Inventor before: Gao Xueshuai

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant