CN101908264B - Distributed serial type system for measuring formation temperature acquired by wireless digital mobile network transmission - Google Patents
Distributed serial type system for measuring formation temperature acquired by wireless digital mobile network transmission Download PDFInfo
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- CN101908264B CN101908264B CN2010102276200A CN201010227620A CN101908264B CN 101908264 B CN101908264 B CN 101908264B CN 2010102276200 A CN2010102276200 A CN 2010102276200A CN 201010227620 A CN201010227620 A CN 201010227620A CN 101908264 B CN101908264 B CN 101908264B
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Abstract
The invention discloses a distributed serial type system for measuring the formation temperature acquired by wireless digital mobile network transmission. A signal transmission line arranged underground is connected with a plurality of temperature sensors in parallel and is connected in series with a reliable digital transmitting relay forward module at an interval of n parallel temperature sensors; a wireless digital mobile network forward module is arranged at the ground part of the signal transmission line; a wireless digital mobile network digital acquisition module and a computer are arranged in a monitoring chamber, wherein the digital transmitting relay forward module is used for transmitting the received temperature value to the wireless digital mobile network digital acquisition module; the wireless digital mobile network digital acquisition module is used for transmitting a signal to the wireless digital mobile network digital acquisition module; the wireless digital mobile network digital acquisition module is used for transmitting the data to the computer through a serial port; and the computer is used for displaying the formation temperature of each point and analyzing the temperature value. The invention has fewer test leads and low cost and can accurately and intricately measure the characteristic shallow geothermal energy resources in a data transmission mode of a wireless network.
Description
Technical field
The present invention relates to a kind of measuring formation temperature and transmission acquisition system.The distributed serial type system for measuring formation temperature that particularly relates to a kind of acquired by wireless digital mobile network transmission of measurement sign shallow layer geothermal energy resource that can be accurate and meticulous.
Background technology
The shallow layer geothermal energy resource is exploited with the growth rate greater than annual 20% as a kind of environmental protection, cleaning, reproducible novel energy in the world, and the impetus that China large-scale develops and utilizes the shallow layer geothermal energy resource is same very swift and violent.Exploitation shallow layer geothermal energy resource is the inexorable trend of development green economy, low-carbon economy and recycling economy.Science, numeral, rationally quantitatively planning and management development shallow layer geothermal energy resource be the sustainable utilization of shallow layer geothermal energy, with the key of the friendly harmonious resource of environment (comprising vegetation, crops, building).Therefore, it is crucial dynamically obtaining the warm data of the most important layer of sign shallow layer geothermal energy resource chronically.
Dynamically obtaining the classic method that characterizes shallow layer geothermal energy resource layer temperature data chronically is the method for the redundant wiring of multiple spot temperature probe, and its shortcoming is:
1, lead-in wire is many and field adjustable is difficult, and a point for measuring temperature needs 3 lead-in wires,
Because require thermometric to reach the precision of 0.1 degree; Not only need to demarcate; And need add a lead-in wire (resistance of adjustment conductor length) of adjusting precision again; So 4 lead-in wires of point for measuring temperature needs, for a shallow layer geothermal energy test point, long 120 meters is nearly 100 lead-in wires of districution temperature p-wire needs at interval with 5 meters.
2, the sensor network volume that is constituted is big and be unsmooth shape, so can be difficult for because of banketing tamping and forming the space behind the cable down, can not truly reflect the soil horizon temperature.
3, the temperature measurement accuracy of considering the sensor network of formation should be 0.1 degree, so resolution should reach the scale value of 0.05 degree.The sensor, for example PT1000 will reach this requirement, and debugging is difficult.
4, because gathering the signal of sensing temperature is simulating signal, need secondary instrument conversion and high-end long distance delivery module again, so this sensor network cost is high, construction technical requirement is high, satisfied not the territory geothermal energy resources generaI investigation and monitoring establish a requirement.
5, adopt the wire transmission acquisition system simultaneously,, can't dig wire channels, therefore must adopt the wireless transmission acquisition mode because the monitored area road environment builds up.
6, (like 433MHz, 2, the data transfer mode of wireless network 4GHz) is because blocking of buildings need be installed the relaying repeater station additional, so cost strengthens to adopt self-built free frequency.
Summary of the invention
Technical matters to be solved by this invention is; Provide that a test lead is few, debugging is convenient, cost simple in structure is low, with the distributed serial type system for measuring formation temperature of the acquired by wireless digital mobile network transmission of accurate and the meticulous measurement sign shallow layer geothermal energy resource of the data transfer mode of wireless network.
The technical scheme that the present invention adopted is: a kind of distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission; Include signal transmssion line; Be arranged on the temperature sensor that is parallel with a plurality of collection shallow layer geothermal energy resource layer temperature on the underground signal transmssion line; Every at a distance from n reliable digital delivery relaying forwarding module of temperature sensor series connection that is in parallel on this signal transmssion line; Wherein said n is the integer greater than 1; Above ground portion at this signal transmssion line is provided with a wireless digital mobile network forwarding module, at indoor wireless digital mobile network digital collection module and the computing machine of being provided with of monitoring, wherein; Described each digital delivery relaying forwarding module will send to the wireless digital mobile network forwarding module from the temperature value that temperature sensor received; Described wireless digital mobile network forwarding module sends to wireless digital mobile network digital collection module with the signal that is received through network again, and described wireless digital mobile network digital collection module sends the data of gathering to computing machine through serial ports, and computing machine shows the formation temperature of all each points and temperature value is analyzed.
24 temperature sensors of parallel connection on the described signal transmssion line, each temperature sensor is spaced apart 5 meters.
The under ground portion of signal transmssion line is whenever at a distance from reliable digital delivery relaying forwarding module of 30 meters series connection.
Described temperature sensor includes 3 temperature probes, ROM ROM (read-only memory), sensor network interface, A/D modular converter and controller chip, wherein,
Described 3 temperature probes are connected with the A/D modular converter, are used to gather shallow layer geothermal energy resource layer temperature;
Described A/D modular converter sends the signal of temperature probe collection to controller chip through the A/D programming with 9～13 digital value reading mode;
Described controller chip; Digital value content with the transmission of A/D modular converter; Correspondingly be converted into corresponding temperature value; And being sent to the relaying forwarding module through the interface of sensor network, described controller chip is also controlled the interface and the A/D modular converter of temperature probe, ROM ROM (read-only memory), sensor network respectively;
Described ROM ROM (read-only memory) links to each other with controller chip, has each temperature sensor and has unique 32 long sequence addresses row number;
Described sensor network interface is the interface of the sensor network that is made up of n chip.
Described digital delivery relaying forwarding module includes controller, connects thermometric forwarded interface, digital drive delivery unit and the digital delivery algorithm of controller respectively, and described thermometric forwarded interface and digital drive delivery unit interconnect.
Described wireless digital mobile network forwarding module includes controller; Connect thermometric forwarded interface, digital drive delivery unit and the digital delivery algorithm unit of controller respectively, described thermometric forwarded interface and digital drive delivery unit interconnect.
The wireless digital mobile network digital collection module of stating includes data acquisition controller; Tandem sending and receiving module, the power that links to each other with data acquisition controller is respectively sent out and is connect amplification module, order sending module and data transmit-receive interface module; Described power is sent out and is connect amplification module and also connect tandem sending and receiving module and data transmit-receive interface module respectively, and described data transmit-receive interface module and computing machine carry out both-way communication.
The distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission of the present invention; Overcome traditional test lead many, be difficult for debugging, that structure is measured temperature sensor net cost is high, construction technical requirement is high, smoothly stranding can not truly reflect soil horizon temperature drawback, considered employing wire transmission acquisition system; Because the monitored area road environment builds up; Can't dig the actual application environment of wire channels, than self-built free frequency (like 433MHz, 2, the data transfer mode of wireless network 4GHz); Reduced equipment cost; Merge utilization with wired, self-built wireless data sending net, can more extensively carry out using, reach the general census of national territory geothermal energy resources and the demand of monitoring.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention;
Fig. 2 is the structural representation of temperature sensor of the present invention;
Fig. 3 is the structural representation of digital delivery relaying forwarding module of the present invention;
Fig. 4 is the structural representation of wireless digital mobile network forwarding module of the present invention;
Fig. 5 is the structural representation of wireless digital mobile network digital collection module of the present invention.
Wherein:
1: temperature sensor 1-1: temperature probe
1-2:ROM ROM (read-only memory) 1-3: sensor network interface
1-4:A/D modular converter 1-5: controller chip
2A: digital delivery relaying forwarding module 2A-1: thermometric forwarded interface
2A-2: controller 2A-3: digital drive delivery unit
2A-4: digital delivery algorithm 2B: wireless digital mobile network forwarding module
2B-1: thermometric forwarded interface 2B-2: controller
2B-3: digital drive delivery unit 2B-4: digital delivery algorithm unit
3: wireless digital mobile network digital collection module 3-1: tandem sending and receiving module
3-2: power is sent out and is met amplification module 3-3: the order sending module
3-4: data transmit-receive interface module 3-5: data acquisition controller
4: computing machine 5: signal transmssion line
Embodiment
Below, the distributed serial type system for measuring formation temperature that specifies acquired by wireless digital mobile network transmission of the present invention in conjunction with accompanying drawing and embodiment is following:
As shown in Figure 1; The distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission of the present invention; Include signal transmssion line 5; Be arranged on the temperature sensor 1 that is parallel with a plurality of collection shallow layer geothermal energy resource layer temperature on the underground signal transmssion line 5; Every on this signal transmssion line 5 wherein said n is the integer greater than 1 at a distance from reliable digital delivery relaying forwarding module 2A of n temperature sensor that is in parallel 1 series connection, at the above ground portion of this signal transmssion line 5 a wireless digital mobile network forwarding module 2B is set; At indoor wireless digital mobile network digital collection module 3 and the computing machine 4 of being provided with of monitoring; Wherein, described each digital delivery relaying forwarding module 2A will send to wireless digital mobile network forwarding module (2B) from the temperature value that temperature sensor 1 is received, and described wireless digital mobile network forwarding module 2B sends to wireless digital mobile network digital collection module 3 with the signal that is received through network again; Described wireless digital mobile network digital collection module 3 sends the data of gathering to computing machine 4 through serial ports, and the formation temperature of 4 pairs of all each points of computing machine shows and temperature value is analyzed.
In an embodiment of the present invention, 24 temperature sensors 1 of parallel connection on the described signal transmssion line 5, each temperature sensor 1 is spaced apart 5 meters.The under ground portion of signal transmssion line 5 is whenever at a distance from reliable digital delivery relaying forwarding module 2A of 30 meters (being equivalent to 5 temperature sensors that are in parallel 1) series connection.
As shown in Figure 2, described temperature sensor 1 includes 3 temperature probe 1-1, ROM ROM (read-only memory) 1-2, sensor network interface 1-3, A/D modular converter 1-4 and controller chip 1-5, wherein,
Described 3 temperature probe 1-1, measuring temperature range is-55 ℃～+ 125 ℃, and precision is ± 0.02 ℃, and 1-4 is connected with the A/D modular converter, is used to gather shallow layer geothermal energy resource layer temperature;
Described A/D modular converter 1-4, the signal that temperature probe 1-1 is gathered sends controller chip 1-5 through A/D programming in the sheet to 9～13 digital value reading mode; The digital quantity that can be respectively in 93.75ms and 750ms, temperature value be converted into 9 and 12.
Described controller chip 1-5; Temperature compensation algorithm and non-calibration algorithm are housed; Digital value content with A/D modular converter 1-4 transmission; Correspondingly be converted into corresponding temperature value, and be sent to relaying forwarding module 2 through the interface 1-3 of sensor network, described controller chip 1-5 also controls the interface 1-3 and the A/D modular converter 1-4 of temperature probe 1-1, ROM ROM (read-only memory) 1-2, sensor network respectively;
Described ROM ROM (read-only memory) 1-2 links to each other with controller chip 1-5, has 1 of each temperature sensor and has unique 32 long sequence addresses row number;
Described sensor network interface 1-3 is the interface of the sensor network that is made up of n chip.
Described temperature sensor 1 can break away from host computer and work alone, and temperature sensor 1 whole module size is 3 * 5mm, is convenient to the frock stranding.
As shown in Figure 3; Described digital delivery relaying forwarding module 2A includes controller 2A-2; Less than 1 reliable anti-strong-electromagnetic field digital delivery algorithm 2A-4, described thermometric forwarded interface 2A-1 and digital drive delivery unit 2A-3 interconnect the thermometric forwarded interface 2A-1, signal to noise ratio (S/N ratio) that connects controller 2A-2 respectively less than 1 reliable digital drive delivery unit 2A-3 and signal to noise ratio (S/N ratio).Described digital delivery relaying forwarding module 2A volume is little, and whole module size is 3 * 6mm, is convenient to the frock stranding.Through digital delivery relaying forwarding module 2A the temperature value of each point is sent to wireless digital mobile network forwarding module 2B.
As shown in Figure 4; Described wireless digital mobile network forwarding module 2B includes controller 2B-2; Less than 1 reliable anti-strong-electromagnetic field digital delivery algorithm unit 2B-4, described thermometric forwarded interface 2B-1 and digital drive delivery unit 2B-3 interconnect the thermometric forwarded interface 2B-1, signal to noise ratio (S/N ratio) that connects controller 2B-2 respectively less than 1 reliable digital drive delivery unit 2B-3 and signal to noise ratio (S/N ratio).Through wireless digital mobile network forwarding module 2B the temperature value of each point is sent to wireless digital mobile network digital collection module.
As shown in Figure 5; Described wireless digital mobile network digital collection module 3 includes data acquisition controller 3-5; Tandem sending and receiving module 3-1, the power that links to each other with data acquisition controller 3-5 is respectively sent out and is met amplification module 3-2, order sending module 3-3 and data transmit-receive interface module 3-4; Described power is sent out and is met amplification module 3-2 and also connect tandem sending and receiving module 3-1 and data transmit-receive interface module 3-4 respectively, and described data transmit-receive interface module 3-4 and computing machine carry out both-way communication.
Described wireless digital mobile network digital collection module 3 is placed in the Control Room, sends the data of gathering to computing machine 4 through serial ports, and computing machine shows the formation temperature of whole each point and temperature value is analyzed.
Claims (7)
1. the distributed serial type system for measuring formation temperature of an acquired by wireless digital mobile network transmission; Include signal transmssion line (5); It is characterized in that; Be arranged on the temperature sensor (1) that is parallel with a plurality of collection shallow layer geothermal energy resource layer temperature on the underground signal transmssion line (5); Go up every at a distance from n temperature sensor (a 1) series connection reliable digital delivery relaying forwarding module (2A) that is in parallel at this signal transmssion line (5); Wherein said n is the integer greater than 1; Above ground portion at this signal transmssion line (5) is provided with a wireless digital mobile network forwarding module (2B), at indoor wireless digital mobile network digital collection module (3) and the computing machine (4) of being provided with of monitoring, wherein; Described each digital delivery relaying forwarding module (2A) will send to wireless digital mobile network forwarding module (2B) from the temperature value that temperature sensor (1) is received; Described wireless digital mobile network forwarding module (2B) sends to wireless digital mobile network digital collection module (3) with the signal that is received through network again, and described wireless digital mobile network digital collection module (3) sends the data of gathering to computing machine (4) through serial ports, and computing machine (4) shows the formation temperature of all each points and temperature value is analyzed.
2. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 1 is characterized in that, described signal transmssion line (5) is gone up parallel connection 24 temperature sensors (1), and each temperature sensor (1) is spaced apart 5 meters.
3. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 2 is characterized in that, the under ground portion of signal transmssion line (5) is whenever at a distance from 30 meters series connection reliable digital delivery relaying forwarding modules (2A).
4. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 1; It is characterized in that; Described temperature sensor (1) includes 3 temperature probes (1-1), ROM ROM (read-only memory) (1-2), sensor network interface (1-3), A/D modular converter (1-4) and controller chip (1-5); Wherein
Described 3 temperature probes (1-1), (1-4) is connected with the A/D modular converter, is used to gather shallow layer geothermal energy resource layer temperature;
Described A/D modular converter (1-4), the signal that temperature probe (1-1) is gathered sends controller chip (1-5) through the A/D programming to 9～13 digital value reading mode;
Described controller chip (1-5); Digital value content with A/D modular converter (1-4) transmission; Correspondingly be converted into corresponding temperature value; And being sent to digital delivery relaying forwarding module (2A) through sensor network interface (1-3), described controller chip (1-5) is also controlled temperature probe (1-1), ROM ROM (read-only memory) (1-2), sensor network interface (1-3) and A/D modular converter (1-4) respectively;
Described ROM ROM (read-only memory) (1-2) links to each other with controller chip (1-5), has each temperature sensor (1) and has unique 32 long sequence addresses row number;
Described sensor network interface (1-3) is the interface of the sensor network that is made up of n chip.
5. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 1; It is characterized in that; Described digital delivery relaying forwarding module (2A) includes controller (2A-2); The thermometric forwarded interface (2A-1), digital drive delivery unit (2A-3) and the digital delivery algorithm unit (2A-4) that connect controller (2A-2) respectively, described thermometric forwarded interface (2A-1) interconnects with digital drive delivery unit (2A-3).
6. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 1; It is characterized in that; Described wireless digital mobile network forwarding module (2B) includes controller (2B-2); The thermometric forwarded interface (2B-1), digital drive delivery unit (2B-3) and the digital delivery algorithm unit (2B-4) that connect controller (2B-2) respectively, described thermometric forwarded interface (2B-1) interconnects with digital drive delivery unit (2B-3).
7. the distributed serial type system for measuring formation temperature of acquired by wireless digital mobile network transmission according to claim 1; It is characterized in that; Described wireless digital mobile network digital collection module (3) includes data acquisition controller (3-5); Tandem sending and receiving module (3-1), the power that links to each other with data acquisition controller (3-5) is respectively sent out and is connect amplification module (3-2), order sending module (3-3) and data transmit-receive interface module (3-4); Described power is sent out and is connect amplification module (3-2) and also connect tandem sending and receiving module (3-1) and data transmit-receive interface module (3-4) respectively, and described data transmit-receive interface module (3-4) is carried out both-way communication with computing machine.
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