CN204373699U - Multidrop environment gathers monitoring system - Google Patents
Multidrop environment gathers monitoring system Download PDFInfo
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- CN204373699U CN204373699U CN201520105472.3U CN201520105472U CN204373699U CN 204373699 U CN204373699 U CN 204373699U CN 201520105472 U CN201520105472 U CN 201520105472U CN 204373699 U CN204373699 U CN 204373699U
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Abstract
The utility model discloses a kind of multidrop environment and gather monitoring system, mainly solve in prior art the wireless transmission that exists due to distance too long-range guided missile cause can not normal transmission, do not isolate between module, thunderbolt electrostatic may cause the problem of system crash.This multidrop environment gather monitoring system multiple temperature sensor, multiple humidity sensor, multiple optical sensor, multiple can to collecting data are carried out the slave computer of mean filter process and have the host computer of warning function, temperature sensor, humidity sensor and optical sensor are all connected with slave computer by RS485 bus, and slave computer is connected with host computer by RS485 bus; The interface of RS485 bus is provided with photoelectric isolating circuit.By such scheme, the utility model reaches remote normal transmission and can effectively prevent thunderbolt electrostatic on the object of the impact of equipment, has very high practical value and promotional value.
Description
Technical field
The utility model relates to a kind of environment and gathers monitoring system, specifically, relates to a kind of multidrop environment and gathers monitoring system.
Background technology
In recent years, multidrop environment gathers monitoring system and is widely used in every field, and as agricultural greenhouse greenhouse gardening, agricultural greenhouse greenhouse gardening is that the living standard improving people brings great convenience, and obtains promotion and application rapidly.The productions of envirment factor to crop such as the temperature in planting environment, humidity, illuminance have a great impact.Traditional manual control mode is difficult to the requirement reaching scientific and reasonable plantation, and the domestic system that can realize above-mentioned envirment factor automatic monitoring is also rare at present, and Introduced From Abroad to have multi-functional large-scale attached-greenhouse control system expensive, be not suitable for national conditions.The problem that at present systems of some monitoring are main is: a, adopt communication, but distant due to the distance between booth and booth and Control Room, and wireless transmission is owing to causing transmitting corrupt data or can not normal transmission apart from meeting too far away; B, do not isolate between module, thunderbolt electrostatic may cause system crash; C, can only the data of display environment, can not process data; D, due to data volume excessive, do not realize the storage of data, cause loss of data; E, not present with the formal intuition of paper document or form.
Utility model content
The purpose of this utility model is to provide a kind of multidrop environment to gather monitoring system, mainly solve in prior art the wireless transmission that exists due to distance too long-range guided missile cause can not normal transmission, do not isolate between module, thunderbolt electrostatic may cause the problem of system crash.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of multidrop environment gather the multiple temperature sensor of monitoring system, multiple humidity sensor, multiple optical sensor, multiple can to collecting data are carried out the slave computer of mean filter process and have the host computer of warning function, temperature sensor, humidity sensor and optical sensor are all connected with slave computer by RS485 bus, and slave computer is connected with host computer by RS485 bus; Shielded Twisted Pair is adopted to ensure the accuracy of data transmission as communication line.
Further, the interface of RS485 bus is provided with photoelectric isolating circuit.
Further, host computer is connected with printer.
Particularly, the model of temperature sensor is DS18B20; Also can be the temperature sensor of other models.
Particularly, the model of humidity sensor is SHT11; Also can be the humidity sensor of other models.
Particularly, the model of optical sensor is BH1710FVI; Also can be the optical sensor of other models.
Particularly, the model of slave computer is STC12C5A60S2; Also can be the slave computer of other models.
Particularly, host computer is industrial computer; Also can be the equipment that directly can send manipulation order.
Particularly, upper computer software development environment is Visual Basic 6.0; Upper computer software is connected with database Access Office 2003; Between upper and lower computer, communication adopts RS-485 serial bus standard; Between upper and lower computer, communication adopts Modbus communication protocol; Between upper and lower computer, communication adopts CRC check mode.
Compared with prior art, the utility model has following beneficial effect:
(1) the utility model realizes the data acquisition of multiple point by multiple temperature sensor, multiple humidity sensor, multiple optical sensor, RS485 bus is used to realize telecommunication, transmission range can reach 1200 meters farthest in theory, employs CRC check mode simultaneously and prevents the data of mistake to be transferred to industrial computer.
(2) in the utility model, buffer circuit can effectively prevent thunderbolt electrostatic on the impact of equipment.
(3) can Real-Time Monitoring temperature, humidity, illuminance data allow monitoring personnel more intuitively understand with real-time figure line on upper computer software in the utility model.
(4) the utility model understands automatic alarm exceed the value of setting at environmental data after, and monitoring personnel are saved worry more.
(5) the utility model can be stored the data gathered, inquire about by host computer, prints paper by printer.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit diagram that in the utility model, TTL is converted into 485 level.
Fig. 3 is photoelectric isolating circuit figure in the utility model.
Fig. 4 is the circuit diagram of STC12C5A60S2 slave computer in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment 1
As shown in figures 1-4, multidrop environment gather monitoring system multiple temperature sensor, multiple humidity sensor, multiple optical sensor, multiple can to collecting data are carried out the slave computer of mean filter process and have the host computer of warning function, temperature sensor, humidity sensor and optical sensor are all connected with slave computer by RS485 bus, and slave computer is connected with host computer by RS485 bus; Shielded Twisted Pair is adopted to ensure the accuracy of data transmission as communication line; Upper computer software development environment is Visual Basic 6.0; Upper computer software is connected with database Access Office 2003; Between upper and lower computer, communication adopts RS-485 serial bus standard; Between upper and lower computer, communication adopts Modbus communication protocol; Between upper and lower computer, communication adopts CRC check mode.
The data acquisition of multiple point is realized by multiple temperature sensor, multiple humidity sensor, multiple optical sensor, RS485 bus is used to realize telecommunication, transmission range can reach 1200 meters farthest in theory, employs CRC check mode simultaneously and prevents the data of mistake to be transferred to industrial computer.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, the interface of RS485 bus is provided with photoelectric isolating circuit; Buffer circuit can effectively prevent thunderbolt electrostatic on the impact of equipment; Host computer is connected with printer; The data gathered can be stored, be inquired about by host computer, print paper by printer.
During use, after being logged in by account number cipher, entered environment management system interface, selecting side slogan, arranges writing time, can observe the value of the temperature of each point, humidity, illuminance in this interface, and can judge whether that monitoring is normal; Environmental data in database can be inquired about in certain period at any time, and is printed as form by printer.
Industrial computer system software function is perfect, modularization, Graphic Design, simple to operation; There is expandability, support the level and smooth increase of master device, acquisition terminal, sensor scale amounts.
TTL is converted into the circuit diagram of 485 level; Photoelectric isolating circuit figure; The circuit diagram of STC12C5A60S2 slave computer; Be all common circuit diagram, be not here described in detail.
According to above-described embodiment, just the utility model can be realized well.What deserves to be explained is; under prerequisite based on said structure design; for solving same technical matters; even if some making on the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the utility model, therefore it also should in protection domain of the present utility model.
Claims (8)
1. a multidrop environment gathers monitoring system, it is characterized in that: multiple temperature sensor, multiple humidity sensor, multiple optical sensor, multiple can to collecting data are carried out the slave computer of mean filter process and have the host computer of warning function, temperature sensor, humidity sensor and optical sensor are all connected with slave computer by RS485 bus, and slave computer is connected with host computer by RS485 bus.
2. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: the interface of RS485 bus is provided with photoelectric isolating circuit.
3. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: host computer is connected with printer.
4. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: the model of temperature sensor is DS18B20.
5. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: the model of humidity sensor is SHT11.
6. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: the model of optical sensor is BH1710FVI.
7. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: the model of slave computer is STC12C5A60S2.
8. multidrop environment according to claim 1 gathers monitoring system, it is characterized in that: host computer is industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105472.3U CN204373699U (en) | 2015-02-13 | 2015-02-13 | Multidrop environment gathers monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520105472.3U CN204373699U (en) | 2015-02-13 | 2015-02-13 | Multidrop environment gathers monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373699U true CN204373699U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520105472.3U Expired - Fee Related CN204373699U (en) | 2015-02-13 | 2015-02-13 | Multidrop environment gathers monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204373699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302198A (en) * | 2015-10-14 | 2016-02-03 | 锡山区先锋家庭农场 | Greenhouse illumination detecting device |
| CN106092176A (en) * | 2016-07-22 | 2016-11-09 | 蚌埠大洋传感***工程有限公司 | A kind of humidity sensor intelligent checking system |
-
2015
- 2015-02-13 CN CN201520105472.3U patent/CN204373699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302198A (en) * | 2015-10-14 | 2016-02-03 | 锡山区先锋家庭农场 | Greenhouse illumination detecting device |
| CN106092176A (en) * | 2016-07-22 | 2016-11-09 | 蚌埠大洋传感***工程有限公司 | A kind of humidity sensor intelligent checking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20160213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |