CN205175997U - Wireless monitoring system of milk cow mastitis - Google Patents
Wireless monitoring system of milk cow mastitis Download PDFInfo
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- CN205175997U CN205175997U CN201520736205.6U CN201520736205U CN205175997U CN 205175997 U CN205175997 U CN 205175997U CN 201520736205 U CN201520736205 U CN 201520736205U CN 205175997 U CN205175997 U CN 205175997U
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Abstract
The utility model provides a wireless monitoring system of milk cow mastitis, it includes the wireless sensor network that the one comprises monitoring devices, milk cow identity electronic tags, handheld wireless mobile reader, wireless sensor network supporting platform, base station node, PC and cell -phone its characterized in that. In today that the thing networking developed rapidly to internet of things based on " perception " develops rapidly and all trades and professions are progressively permeated in the industrialization, and the development of the agriculture thing networking including animal husbandry is also very swift and violent. The modernization of china's animal husbandry development needs internet of things's support, and internet of things also must look for the positive energy in the application in field, promotes the development of animal husbandry thing networking industry. Advantage based on this system, if can arrive extensive application, will bring very big help to the development of milk cow industry, learn in advance, handle in advance, reduce the loss, increase the milk quality, will bring milk cow industry intelligent management to go on new step.
Description
Technical field
The utility model relates to a kind of mastadenitis of cow monitoring system, specifically, relates to a kind of mastadenitis of cow wireless monitor system.
Background technology
The high speed development of accompanying information technology, technology of Internet of things and industry are a dark horse, and become the important development direction of new round Industrial Revolution and the important impetus amount of world's industrial pattern reconstruct.Under such overall background, 18 of party have made greatly the strategic decision of " Four Modernizations " synchronized development in time, have risen to unprecedented height accelerating development informationization.The Party Central Committee, State Council especially pay attention to Internet of Things development.The Xi Jinping General Secretary emphasizes, Internet of Things be allowed better to promote production, come into life, benefit the common people.Premier Li Keqiang points out, greatly develop emerging strategic industries, catches up with and lead world's industry development in integrated circuit, Internet of Things, next-generation mobile communications, large data etc.
The milk cow production of China's wide geographic area is under the guiding of government; intensive culture is changed into gradually by the scattered cultivation of peasant household; improve milk cow production benefit with scale, on source, focus on food safety Regulation simultaneously, promote the standardization of milk cattle cultivating and scientific construction.In large-scale cultivation, the daily management of milk cow and diseases monitoring are particularly important, grasp milk cow health situation and production information in time, and to increase milk production of cow and breeding potential, the economic benefit significantly improving milk cattle cultivating is all significant.
World's dairy, mastitis is modal a kind of disease, is also to dairy harm, a kind of disease the most serious to dairy products security threat.According to statistics, the whole world about has the milk cow of 50% to suffer from various types of mastitis, and the incidence of disease of China's mastadenitis of cow surpasses the world average level.According to incompletely statistics, the incidence of disease of China's good scale cattle farm mastitis can control within 20%, manages poor scale cattle farm or casual household then can up to more than 50%; 35% of ox sum is eliminated because of the Niu Yuezhan that mastitis is eliminated in scale cattle farm, and indivedual cows incidence of disease is even higher.In addition, research shows, clinical mastitis only accounts for the 5%-10% of the mastitis incidence of disease, and the overwhelming majority is subclinical mastitis, and the loss about 70% that causes of mastadenitis of cow causes due to subclinical mastitis.Therefore, detecting mastadenitis of cow is accurately and timely a very important job, the Timeliness coverage state of an illness, the monitoring ahead of time of timely diagnosis and treatment, particularly subclinical mastitis, and to reducing as far as possible, the various losses that mastitis causes are extremely important.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of mastadenitis of cow wireless monitor system, can gather in the process of milk, realize the wireless monitor to mastadenitis of cow, and provide monitoring result and visit schedule each.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of mastadenitis of cow wireless monitor system, is characterized in that it comprises a wireless sense network be made up of monitoring device, milk cow identification electronic label, hand-hold wireless mobile reading device, wireless sense network support platform, base-station node, PC and mobile phone;
1) monitoring device: be connected with wireless sense network supporting platform radio communication, milk pH value, temperature, conductivity, the lactose content parameter of mastitis is suffered from for gathering reflection in milk, and communicate with wireless sense network support platform, automatically the information collected is transmitted in wireless sense network support platform the routing node between milking;
2) milk cow identification electronic label: for storing the electronics ID representing milk cow identity, electronics ID has uniqueness, is connected with hand-hold wireless mobile reading device radio communication;
3) hand-hold wireless mobile reading device: be connected with wireless sense network support platform radio communication, for reading the electronics ID on milk bovine ear tag, and communicate with wireless sense network support platform, automatically the information collected is forwarded in wireless sense network support platform the routing node between milking;
4) wireless sense network supporting platform: by be arranged in milk between in the wireless sense network that forms of routing node, the information be responsible for hand-hold wireless mobile reading device and monitoring device collection send is forwarded to base-station node;
5) base-station node: be connected with wireless sense network support platform radio communication, forwards for storing wireless sense network support platform the information of coming, and carries out information interaction with PC or mobile phone, be responsible for PC or mobile phone sending information;
6) PC and mobile phone: communicate to connect with base-station node, for carrying out information interaction with base-station node, receiving the data that monitoring device sends, carrying out Treatment Analysis by expert system to data, milk cow is suffered from the display of mastitis situation and informs staff.
Described monitoring device is by conductivity detection module, pH sensor, temperature sensor, lactose biosensor, wireless communication module, clock system, input forms with conditioning system and microprocessor, conductivity detection module, pH sensor, temperature sensor, lactose biosensor, clock system, signal monitoring is connected with microprocessor with conditioning system, microprocessor is connected with wireless communication module, microprocessor is by conductivity module, pH sensor, temperature sensor, the data of lactose biosensor collection compare with the threshold value of setting, if higher than threshold value, then data are sent to routing node by wireless communication module, if lower than threshold value, then do not carry out transmission work.Conductivity module comprises Wien-bridge oscillator, wheatstone bridge circuits, phase shifter, A/D converter and low-pass filter.
Described milk cow identification electronic label is made up of radio-frequency module, control module, memory module, antenna and battery, and milk cow identification electronic label is connected with hand-hold wireless mobile reading device by short-range communication, sends the data to hand-hold wireless mobile reading device.
Described hand-hold wireless mobile reading device is made up of radio-frequency module, microprocessor, peripheral circuit and wireless communication module.Radio-frequency module is for reading milk cow identification electronic label, and be connected with an input port of microprocessor, micro-process is connected with wireless communication module, for forwarding the information of reading.
Routing node in described wireless sense network support platform is made up of storer, processor and wireless transceiver, and storer and processor can be crossed despotic synchronization serial ports and be connected, and wireless transceiver is connected with the SPI interface of processor.
Described base-station node is made up of server and the routing node be integrated in base-station node, server and this routing node by wireless connections, for storing, the milk cow electronics ID of image data that process monitor devices sends and the transmission of hand-hold wireless mobile reading device; This routing node is used for carrying out information interaction with sensor support platform and PC and mobile phone.
Described PC and mobile phone are made up of hardware device, software and routing node, hardware comprises display, processor, storer, software comprise database, based on expert system user application, PC is connected with server by netting twine, mobile phone is connected with server by WiFi, carries out information interaction by wireless sense network support platform.
Described monitoring device and milker combine, and can install four monitoring devices on a milker, monitor the milk that four nipples produce respectively, also can install a monitoring device, monitor the milk of four nipple mixing.
Milk cow identification electronic label is installed in the ear tag of each milk cow, and there is numeral number on ear tag surface, and electronics ID is corresponding with numeral number.
Compared with the utility model detects with current mastadenitis of cow, there are some obvious advantages:
1) realize detecting in the process gathering milk each time regular special project " health check-up " wireless monitoring device of mastadenitis of cow, having accomplished the regular special project " health check-up " to mastadenitis of cow, is regularly that personnel can sets itself.Disease is allowed to be found early, and early treatment, reduce the loss, improve milk quality.
) reduce artificial native system and monitor each collection in the process of milk, decrease special staff carries out mastitis periodic detection to milk cow, decrease the input of human resources.
) install simply, monitoring device with low cost and milker combine, and support the use, detachably, removable; Monitoring device carries out the transmission of data by wireless communication module, and cost is low, installs simple, and it is convenient to implement.
) the good monitoring device of extensibility is independently relatively, it wirelessly carries out the transmission of data, and extendability increases, needs increase or minimizing equipment time, can realize adjusting network topology automatically, realize new communication.
) first staff simple to operate only need when milking, after reading milk cow identity ID, common staff just can know the ill information of milk cow by mobile phone or PC timely; and learn visit schedule; timely process, shortens consultation time, reduces farm loss.
In today that Internet of Things develops rapidly, the technology of Internet of things based on " perception " develops rapidly and industrialization progressively penetrates into all trades and professions, and the development comprising the agriculture Internet of Things of animal husbandry is also very swift and violent.The modernization of Animal Husbandry in China development needs the support of technology of Internet of things, and technology of Internet of things also must find positive energy in the application in field, promotes the development of animal husbandry Internet of Things industry.Based on the advantage of native system, apply widely if can arrive, very large help will be brought to the development of cow estate, know that advanced processing is reduced the loss in advance, increase milk quality, cow estate intelligent management will be brought to go on new step.
Accompanying drawing explanation
Fig. 1 is mastadenitis of cow wireless monitor system block diagram.
Fig. 2 is mastadenitis of cow wireless monitor system process flow diagram.
Fig. 3 is mastitis monitoring device design frame chart.
Fig. 4 is conductivity detection module design frame chart.
Fig. 5 a, Fig. 5 b are monitoring device scheme of installations.
Fig. 6 is milk cow identity recognition terminal.
Embodiment
Fig. 1 is the utility model system composition structured flowchart.The utility model overall system is divided into three modules: data acquisition module, data transmission module and Data Management Analysis module, specifically comprise following six parts: monitoring device, milk cow identification electronic label, hand-hold wireless mobile reading device, wireless sense network support platform, base-station node, PC and mobile phone, monitoring device, milk cow identification electronic label, hand-hold wireless mobile reading device, wireless sense network support platform, base-station node, PC and mobile phone form a wireless sense network.
Monitoring device: be made up of with conditioning system and microprocessor conductivity detection module, pH sensor, temperature sensor, lactose biosensor, wireless communication module, clock system, input, for measuring conductivity in milk, pH value, temperature and lactose content, conductivity detection module, pH sensor, temperature sensor, lactose biosensor, clock system, signal monitoring are connected with microprocessor with conditioning system, and conductivity module comprises Wien-bridge oscillator, wheatstone bridge circuits, phase shifter, A/D converter and low-pass filter.Microprocessor is connected with wireless communication module, conductivity module, pH sensor, temperature sensor, the data of lactose biosensor collection compare with the threshold value of setting by microprocessor, if higher than threshold value, then data are sent to routing node by wireless communication module; If lower than threshold value, then do not carry out transmission work.
Milk cow identification electronic label: be made up of radio-frequency module, control module, memory module, antenna and battery, radio-frequency module, memory module are connected with control module, antenna is connected with radio-frequency module, milk cow identification electronic label is connected with hand-held mobile radio reader by short-range communication, sends the data to hand-held mobile radio reader.Each cow head all wears ear tag, and electronic tag is positioned at ear tag, preserves the identity information of milk cow, and has uniqueness.By reader, the identity information of milk cow can be read very easily.
Hand-hold wireless mobile reading device: be made up of radio-frequency module, microprocessor, peripheral circuit and wireless communication module.Radio-frequency module is for reading milk cow identification electronic label, and be connected with an input port of microprocessor, micro-process is connected with wireless communication module, for forwarding the information of reading.
Wireless sense network support platform: the routing node in wireless sense network support platform is made up of storer, processor and wireless transceiver, storer and processor can be crossed despotic synchronization serial ports and be connected, and wireless transceiver is connected with the SPI interface of processor.
Base-station node: be made up of server and the routing node be integrated in base-station node, server and this routing node by wireless connections, for storing, the milk cow electronics ID of image data that process monitor devices sends and the transmission of hand-held mobile radio reader; This routing node is used for carrying out information interaction with sensor support platform and PC and mobile phone.Base-station node is communicated with wireless sense network support platform by integrated routing node; the information of coming is forwarded for collecting, storing wireless sense network support platform; can also be communicated with mobile phone with PC by integrated routing node in addition; be responsible for sending milk cow to PC or mobile phone and suffer from mastitis situation, and visit schedule.
PC and mobile phone: be made up of hardware device, software and routing node, hardware comprises display, processor, storer, software comprise database, based on expert system user application.PC is connected with base-station node by netting twine serial communication, and mobile phone is connected with base-station node by WiFi communication, carries out information interaction by wireless sense network support platform.
Routing node: to comprise in wireless sense network support platform and routing node, to be integrated in the routing node in hand-hold wireless mobile reading device, the routing node be integrated in base-station node, to be integrated in the routing node of PC, mainly containing following four kinds of purposes: be 1. integrated into base-station node together with server; 2. hand-hold wireless mobile reading device is integrated into together with radio-frequency module etc.; 3. pc user's end is integrated into together with PC etc.; 4. according to milking a size, be arranged in separately between milking, for building wireless sense network support platform, the composition structure being responsible for the information that hand-hold wireless mobile reading device, monitoring device collect to be forwarded to base-station node routing node is as follows:
A) processor: should be the single-chip microcomputer or processor of supporting Zigbee protocol, as the PIC18F420 single-chip microcomputer of MicroChip company;
B) storer: be connected by despotic synchronization serial ports with processor;
C) wireless transceiver: with the SPI(SerialPeripheralinterface of processor) interface is connected, and should be the wireless transceiver meeting ZigBee specification, as CC2420 wireless transceiver.
Above-mentioned routing node, monitoring device, milk cow identification electronic label, hand-hold wireless mobile reading device, base-station node and between PC and mobile phone, adopt IEEE802.15.4 standard agreement to communicate each other.
See Fig. 2, a kind of control method of mastadenitis of cow wireless monitor system, it comprises the following steps:
(A) hand-hold wireless mobile reading device is by the identity sequentially passing through the electronics ID acquisition milk cow of reading in milk bovine ear tag of milker, and communicated with wireless sense network support platform by integrated routing node, automatically the numbering of the identity id information collected and milker is forwarded in wireless sense network support platform the routing node between milking;
(B) milk between routing node receive the information that hand-hold wireless mobile reading device sends after, the information that will receive is forwarded to base-station node in a multi-hop fashion by wireless sense network support platform;
(C), after base-station node receives the next information of wireless sense network support platform forwarding, milker numbering and corresponding milk cow identity information are stored;
(D) monitoring device initialization, start the correlation parameter carried out in milk to gather, after the data gathered carry out A/D conversion, compare with the threshold value set in the microprocessor, if the numerical value of one of them parameter is higher than the threshold value of this setting parameter, then these four parameter, acquisition time and milker numberings are sent to the routing node between milking by wireless communication module, if the numerical value of relevant four parameters is less than the threshold value of initial setting all respectively, then do not carry out the transmission of data;
(E) after base-station node receives the next information of wireless sense network support platform forwarding, first the number information of milker is therefrom extracted, then in the database stored, this milker is mated, then four parameters, acquisition time are arranged in the milker numbering tuple of coupling, and four parameters and acquisition time are stored, form the tables of data being major key with milk cow electronics ID, wherein also comprise some related datas of this milk cow, as age, parity etc.;
(F) base-station node and PC carry out information interaction by serial ports, user can be logged in by browser client, and pass through the data display mode of browser, can check the suspicious ill data of collection through expert system analysis, judge, draw whether ill conclusion, if ill, then can check and provide corresponding therapeutic scheme, and record is carried out to ill experience.
(G) base-station node and mobile phone carry out information interaction, mainly through the communication technology of WiFi, communicate, user can carry out user's login by mobile phone A pp, and by access App, can check the suspicious ill data of collection through expert system analysis, judge, draw whether ill conclusion, if ill, then can check and provide corresponding therapeutic scheme, and record is carried out to ill experience.
Described hand-held mobile terminal carries out manual operation for staff, obtains milk cow identity; Described monitoring device, combines with milker, can in a device can by clock system set collection period (as 3 days once or 2 days once), base-station node carries out information interaction by following two kinds of modes and PC and mobile phone:
A) by the mode that directly copies, the information stored by base-station node is delivered to PC and mobile phone by serial ports, the mode that copies;
B) by wired and mode that is radio communication, the information that stored by base-station node carries out data communication by RS232 serial communication and PC, carries out data communication by WiFi and mobile phone.
Fig. 3 is mastitis monitoring device structural drawing, monitoring device forms primarily of conductivity detection module, pH sensor, temperature sensor, lactose biosensor, wireless communication module, clock system, input and conditioning system and microprocessor, for four sensors for measuring conductivity in milk, pH value, temperature and lactose content, clock system is used for the setting of time and record, and wireless communication module is used for the forwarding of data.
Fig. 4 is conductivity detection module structural drawing, comprises Wien-bridge oscillator, wheatstone bridge circuits, phase shifter, A/D converter and low-pass filter.Because frequency also also exists impact to conductivity, when frequency is 10kHz, conductivity tends towards stability value, first utilize Wien bridge circuit oscillatory circuit to produce the sine wave that stabilized frequency is 10kHz, this sine wave is applied on the sensor of measurement conductivity as pumping signal, and sensor adopts measures conductivity by Wheatstone bridge method, then integrate through phase shifter, become direct current signal by low-pass filter, through A/D converter, send the data to microprocessor.
Fig. 5 a, Fig. 5 b are monitoring device scheme of installation, and signal monitoring has two kinds of modes, and one is monitor respectively the milk of four nipples, as Fig. 5 a; Two is carry out monitoring as Fig. 5 b to four mixed emulsions of nipple.Carrying out monitoring to milk be, the parameter value of the milk that each nipple of possibility produces is different, but the difference between them is within the scope of one, if find that in monitoring difference becomes large, also the possibility having nipple to infect is described, so the former monitoring is more more accurate.Consider the problem of cost, the latter's advantage of lower cost, also can monitor more accurately.
Fig. 6 is milk cow identity recognition terminal structural drawing, and milk cow identity recognition terminal is a hand-held mobile reading device.Each cow head all wears ear tag, and electronic tag is positioned at ear tag, preserves the identity information of milk cow, and has uniqueness.By reader, the identity information of milk cow can be read very easily.
Claims (9)
1. a mastadenitis of cow wireless monitor system, is characterized in that it comprises a wireless sense network be made up of monitoring device, milk cow identification electronic label, hand-hold wireless mobile reading device, wireless sense network support platform, base-station node, PC and mobile phone;
Monitoring device: be connected with wireless sense network supporting platform radio communication, milk pH value, temperature, conductivity, the lactose content parameter of mastitis is suffered from for gathering reflection in milk, and communicate with wireless sense network support platform, automatically the information collected is transmitted in wireless sense network support platform the routing node between milking;
Milk cow identification electronic label: for storing the electronics ID representing milk cow identity, electronics ID has uniqueness, is connected with hand-hold wireless mobile reading device radio communication;
Hand-hold wireless mobile reading device: be connected with wireless sense network support platform radio communication, for reading the electronics ID on milk bovine ear tag, and communicate with wireless sense network support platform, automatically the information collected is forwarded in wireless sense network support platform the routing node between milking;
Wireless sense network supporting platform: by be arranged in milk between in the wireless sense network that forms of routing node, the information be responsible for hand-hold wireless mobile reading device and monitoring device collection send is forwarded to base-station node;
Base-station node: be connected with wireless sense network support platform radio communication, forwards for storing wireless sense network support platform the information of coming, and carries out information interaction with PC or mobile phone, be responsible for PC or mobile phone sending information;
PC and mobile phone: communicate to connect with base-station node, for carrying out information interaction with base-station node, receiving the data that monitoring device sends, carrying out Treatment Analysis by expert system to data, milk cow suffered from the display of mastitis situation and inform staff.
2. a kind of mastadenitis of cow wireless monitor system as claimed in claim 1, is characterized in that:
Described monitoring device is by conductivity detection module, pH sensor, temperature sensor, lactose biosensor, wireless communication module, clock system, input forms with conditioning system and microprocessor, conductivity detection module, pH sensor, temperature sensor, lactose biosensor, clock system, signal monitoring is connected with microprocessor with conditioning system, microprocessor is connected with wireless communication module, microprocessor is by conductivity module, pH sensor, temperature sensor, the data of lactose biosensor collection compare with the threshold value of setting, if higher than threshold value, then data are sent to routing node by wireless communication module, if lower than threshold value, then do not carry out transmission work.
3. a kind of mastadenitis of cow wireless monitor system as claimed in claim 1, it is characterized in that: described milk cow identification electronic label is made up of radio-frequency module, control module, memory module, antenna and battery, radio-frequency module, memory module are connected with control module, antenna is connected with radio-frequency module, milk cow identification electronic label is connected with hand-hold wireless mobile reading device by short-range communication, sends the data to hand-hold wireless mobile reading device.
4. a kind of mastadenitis of cow wireless monitor system as claimed in claim 1, it is characterized in that: described hand-hold wireless mobile reading device is made up of radio-frequency module, microprocessor and wireless communication module, radio-frequency module is for reading milk cow identification electronic label, be connected with an input port of microprocessor, micro-process is connected with wireless communication module, for forwarding the information of reading.
5. a kind of mastadenitis of cow wireless monitor system as claimed in claim 1, it is characterized in that: the routing node in described wireless sense network support platform is made up of storer, processor and wireless transceiver, storer and processor can be crossed despotic synchronization serial ports and be connected, and wireless transceiver is connected with the SPI interface of processor.
6. a kind of mastadenitis of cow wireless monitor system as shown in claim 1 or 2, it is characterized in that: described base-station node is made up of server and the routing node be integrated in base-station node, server and this routing node by wireless connections, for storing, the milk cow electronics ID that sends of the image data that sends of process monitor devices and hand-hold wireless mobile reading device; This routing node is used for carrying out information interaction with sensor support platform and PC and mobile phone.
7. a kind of mastadenitis of cow wireless monitor system as shown in claim 1 or 2, it is characterized in that: described PC and mobile phone are made up of hardware device, software and routing node, hardware comprises display, processor, storer, software comprise database, based on expert system user application, PC is connected with base-station node by netting twine RS232 serial ports, mobile phone is connected with base-station node by WiFi communication, carries out information interaction by wireless sense network support platform.
8. a kind of mastadenitis of cow wireless monitor system as shown in claim 1 or 2, it is characterized in that: described monitoring device and milker combine, four monitoring devices installed by a milker, monitor the milk that four nipples produce respectively, or a monitoring device is installed, the milk of four nipple mixing is monitored.
9. a kind of mastadenitis of cow wireless monitor system as shown in claim 1, is characterized in that: milk cow identification electronic label is installed in the ear tag of each milk cow, and there is numeral number on ear tag surface, and electronics ID is corresponding with numeral number.
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| CN201520736205.6U CN205175997U (en) | 2015-09-22 | 2015-09-22 | Wireless monitoring system of milk cow mastitis |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898440A (en) * | 2017-11-07 | 2018-04-13 | 广西小草信息产业有限责任公司 | A kind of cow mammary gland monitors system and method |
| CN110412227A (en) * | 2019-07-17 | 2019-11-05 | 太原理工大学 | A kind of contactless milk freshness detection system and its detection method |
| CN112165858A (en) * | 2018-05-15 | 2021-01-01 | Gea农业技术有限公司 | Measuring unit for measuring the conductivity and/or impedance of milk during a milking process and arrangement having at least one measuring unit |
| CN112753771A (en) * | 2019-11-04 | 2021-05-07 | 内蒙古蒙牛乳业（集团）股份有限公司 | Liquid milk preparation method and equipment |
-
2015
- 2015-09-22 CN CN201520736205.6U patent/CN205175997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107898440A (en) * | 2017-11-07 | 2018-04-13 | 广西小草信息产业有限责任公司 | A kind of cow mammary gland monitors system and method |
| CN112165858A (en) * | 2018-05-15 | 2021-01-01 | Gea农业技术有限公司 | Measuring unit for measuring the conductivity and/or impedance of milk during a milking process and arrangement having at least one measuring unit |
| CN110412227A (en) * | 2019-07-17 | 2019-11-05 | 太原理工大学 | A kind of contactless milk freshness detection system and its detection method |
| CN112753771A (en) * | 2019-11-04 | 2021-05-07 | 内蒙古蒙牛乳业（集团）股份有限公司 | Liquid milk preparation method and equipment |
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