CN201672977U - Mass concrete wireless temperature-measuring device - Google Patents
Mass concrete wireless temperature-measuring device Download PDFInfo
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- CN201672977U CN201672977U CN2010202064611U CN201020206461U CN201672977U CN 201672977 U CN201672977 U CN 201672977U CN 2010202064611 U CN2010202064611 U CN 2010202064611U CN 201020206461 U CN201020206461 U CN 201020206461U CN 201672977 U CN201672977 U CN 201672977U
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Abstract
The utility model relates to a mass concrete wireless temperature-measuring device which comprises a temperature-measuring sensor, and is characterized by also comprising a far-end temperature measuring module, a wireless transmission system and an upper processor; an input end of the far-end temperature measuring module is connected with the temperature-measuring sensor and used for converting an electric signal generated by the temperature-measuring sensor into a temperature value; and the wireless transmission system consists of two wireless data transmission module, one is connected with the far-end temperature measuring module, the other one is connected with the upper processor, and the wireless transmission system is used for communication between the far-end temperature measuring sensor and the upper processor. The mass concrete wireless temperature-measuring device avoids the complicated on-site wiring, can be maintained conveniently, and has the advantages of low cost, high temperature measurement precision, far transmission distance, and strong anti-electromagnetic interference and penetrating power as well as field adaptability.
Description
Technical field
The utility model relates to the concrete measuring temperature device, specifically is a kind of mass concrete wireless temperature measuring device.
Background technology
In the building field, so for avoiding thermal cracking must control concrete maintenance temperature rise.Present traditional wired thermometric mode, wiring is complicated, cost is high and difficult in maintenance, operation inconvenience very.Though the equipment of wireless temperature measurement is also arranged, all cost an arm and a leg, and mostly very heavy, be not easy to on-the-spot the use.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of mass concrete wireless temperature measuring device, it avoid field wiring loaded down with trivial details, be convenient to safeguard, cost is low.
For addressing the above problem, the utility model by the following technical solutions: this mass concrete wireless temperature measuring device comprises temperature probe; Also comprise far-end temperature-measuring module, wireless transmitting system, go up bit processing machine; The input end of described far-end temperature-measuring module connects described temperature probe, is used for the electrical signal conversion that temperature probe produces is become temperature value; Described wireless transmitting system is made up of two wireless data transmission modules, and one is connected with described far-end temperature-measuring module, and another is connected with last bit processing machine, is used for the far-end temperature-measuring module and describedly goes up communication between the bit processing machine.
As further technical scheme of the present utility model:
In this mass concrete wireless temperature measuring device, described temperature probe is platinum resistance thermometer sensor, sensor or copper thermistor sensor.
In this mass concrete wireless temperature measuring device, described platinum resistance thermometer sensor, sensor is PT100 or PT1000 or PT50 platinum resistance thermometer sensor, sensor; Described copper thermistor sensor is a Cu50 copper thermistor sensor.
In this mass concrete wireless temperature measuring device, described far-end temperature-measuring module is the RMA411 module; Described two wireless data transmission modules are the SRWF-1028 module.
In this mass concrete wireless temperature measuring device, described upward bit processing machine is the PC that is provided with the RS232 interface.
In this mass concrete wireless temperature measuring device, also comprise an accumulator, this accumulator is connected with described far-end temperature-measuring module by a DC/DC power module, and this accumulator is connected with wireless data transmission module on being connected the far-end temperature-measuring module by another DC/DC power module.
The beneficial effects of the utility model are:
1, temperature measurement accuracy height.Bring up to 0.1 ℃ by the precision of common thermometer, satisfied the requirement " temperature measurement error of temperature element not should greater than 0.3 ℃ (under 25 ℃ of environment) " of " mass concrete construction standard " GB 50496-2009.
2, long transmission distance.Generally speaking, the working-yard has only 20～30m far from the Office Area, at most also is no more than 50m, and the wireless transmission of native system can reach 1.5km.
3, anti-electromagnetic interference (EMI) is strong.The zone of wireless transmission process, concrete vibrating spear, electric welding machine, steel bar processing machinery, tower crane, concrete pump, concrete agitator truck etc. all have powerful electromagnetic interference (EMI), and wireless transmission has been proposed great challenge.Native system can overcome this class electromagnetic interference (EMI) through actual measurement.
4, penetration power is strong.The penetration capacity of native system can overcome structure reinforcing bars concrete stopping the temperature detecting wireless transmission.
5, open-air adaptive faculty is strong.Adopted the DC-DC conversion of wide voltage, used storage battery power supply, successfully solved the electric power supply problem, the open-air adaptive faculty of this mass concrete wireless temperature measuring device is improved greatly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Accompanying drawing 1 is the structured flowchart of the utility model embodiment.
Embodiment
As shown in Figure 1, this mass concrete wireless temperature measuring device mainly comprises temperature probe, far-end temperature-measuring module, wireless transmitting system, goes up bit processing machine.
The input end of far-end temperature-measuring module connects described temperature probe, is used for the electrical signal conversion that temperature probe produces is become temperature value; Described temperature probe is platinum resistance thermometer sensor, sensor or copper thermistor sensor.As adopt the platinum resistance thermometer sensor, sensor, can select PT100 or PT1000 or PT50 platinum resistance thermometer sensor, sensor for use.As adopt the copper thermistor sensor, can select Cu50 copper thermistor sensor for use.
The platinum resistance thermometer sensor, sensor is with the temperature a kind of sensor that the physical principle that increases makes that raises according to the resistance of metal.It has in the time of 0 ℃-650 ℃: Rt=RO (1+At+Bt2); Have in the time of-200 ℃-0 ℃: R
t=R
0[1+At+Bt
2+ C (t-100) t
3Temperature and changes in resistance relation.Only record the resistance value in a certain moment, can converse its corresponding temperature.The direct general difficulty relatively of measured resistance value is so will be that voltage is measured with resistance variations during thermometric.
Described far-end temperature-measuring module has adopted RMA411 far-end thermal resistance acquisition module.This module can connect 16 road PT100/PT1000/PT50 type thermal resistances.The distribution of temperature probe is distributed as each 1 group of upper, middle and lower by concrete measuring temperature point in concrete, every group comprises 5 temperature probes, and simultaneously the temperature of 5 points on the measurement plane is reserved 1 temperature probe and measured atmospheric temperature.The analog signal conversion that the RMA411 module produces during with the thermal resistance thermometric becomes temperature value.The A/D conversion chip that this module adopts is 18 dual integrations, and sampling degree of accuracy height can satisfy the requirement of mass concrete construction to temperature.In addition, the working-yard reinforcing bar stands in great numbers, and all kinds of electric welding machines, motor are a lot, and the electromagnetic interference (EMI) of generation is very serious, and the RMA411 module has adopted photoelectric isolation technology, and its antijamming capability is protected.
Described wireless transmitting system is made up of two wireless data transmission modules, is used for far-end temperature-measuring module and described upward communication between the bit processing machine.Two wireless data transmission modules are the SRWF-1028 module, and this module adopts transparent transmission, can adapt to any standard or off-gauge User Agreement.SRWF-1028 module antijamming capability is strong, can reach 4.5km under the long transmission distance, line of sight conditions, has low in power consumption simultaneously, transmitter current 300-500mA, received current 32-38mA, quiescent current 5mA.The module frequency of operation is optional at 403/433/470/868/915MHz; There is TTL in same module, three kinds of interfaces of RS232 and RS485, and multiple baud rate and interface format are optional.A SRWF-1028 module is connected by the RS485 interface with described far-end temperature-measuring module, and another SRWF-1028 module is connected by the RS232 interface with last bit processing machine.
Described upward bit processing machine is the PC that is provided with the RS232 interface.
The power requirement 24V direct current of above-mentioned RMA411 module, SRWF-1028 power requirement 5V, 1A, that originally adopts is Switching Power Supply, needs the 220V Alternating Current Power Supply, and it is very inconvenient to connect the 220V AC power at the construction field (site) everywhere.Therefore, this mass concrete wireless temperature measuring device is provided with an accumulator, connects 2 DC/DC power modules on this accumulator, and a DC/DC power module output 24V is connected with described far-end temperature-measuring module; Another DC/DC power module output 5V voltage is connected with wireless data transmission module on being connected the far-end temperature-measuring module.So successfully solved the electric power supply problem, the open-air adaptive faculty of this mass concrete wireless temperature measuring device is improved greatly.
Claims (6)
1. the mass concrete wireless temperature measuring device comprises temperature probe; It is characterized in that: also comprise far-end temperature-measuring module, wireless transmitting system, go up bit processing machine; The input end of described far-end temperature-measuring module connects described temperature probe, is used for the electrical signal conversion that temperature probe produces is become temperature value; Described wireless transmitting system is made up of two wireless data transmission modules, and one is connected with described far-end temperature-measuring module, and another is connected with last bit processing machine, is used for the far-end temperature-measuring module and describedly goes up communication between the bit processing machine.
2. mass concrete wireless temperature measuring device according to claim 1 is characterized in that: described temperature probe is platinum resistance thermometer sensor, sensor or copper thermistor sensor.
3. mass concrete wireless temperature measuring device according to claim 2 is characterized in that: described platinum resistance thermometer sensor, sensor is PT100 or PT1000 or PT50 platinum resistance thermometer sensor, sensor; Described copper thermistor sensor is a Cu50 copper thermistor sensor.
4. according to claim 2 or 3 described mass concrete wireless temperature measuring devices, it is characterized in that: described far-end temperature-measuring module is the RMA411 module; Described two wireless data transmission modules are the SRWF-1028 module.
5. mass concrete wireless temperature measuring device according to claim 4 is characterized in that: described upward bit processing machine is the PC that is provided with the RS232 interface.
6. mass concrete wireless temperature measuring device according to claim 1, it is characterized in that: also comprise an accumulator, this accumulator is connected with described far-end temperature-measuring module by a DC/DC power module, and this accumulator is connected with wireless data transmission module on being connected the far-end temperature-measuring module by another DC/DC power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202064611U CN201672977U (en) | 2010-05-28 | 2010-05-28 | Mass concrete wireless temperature-measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202064611U CN201672977U (en) | 2010-05-28 | 2010-05-28 | Mass concrete wireless temperature-measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN201672977U true CN201672977U (en) | 2010-12-15 |
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ID=43330389
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202064611U Expired - Fee Related CN201672977U (en) | 2010-05-28 | 2010-05-28 | Mass concrete wireless temperature-measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889936A (en) * | 2012-07-31 | 2013-01-23 | 辽宁省电力有限公司鞍山供电公司 | Device for automatically detecting concrete curing temperature of iron tower foundation |
| CN103531006A (en) * | 2013-09-29 | 2014-01-22 | 杭州电子科技大学 | Temperature and humidity acquisition module circuit based on Zigbee protocol |
| CN104776933A (en) * | 2015-04-23 | 2015-07-15 | 山东大学 | Concrete temperature recorder based on maturity theory and working method |
| CN106768447A (en) * | 2016-11-23 | 2017-05-31 | 河海大学 | A kind of multi source contribution formula concrete temperature intelligence control system |
-
2010
- 2010-05-28 CN CN2010202064611U patent/CN201672977U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889936A (en) * | 2012-07-31 | 2013-01-23 | 辽宁省电力有限公司鞍山供电公司 | Device for automatically detecting concrete curing temperature of iron tower foundation |
| CN103531006A (en) * | 2013-09-29 | 2014-01-22 | 杭州电子科技大学 | Temperature and humidity acquisition module circuit based on Zigbee protocol |
| CN104776933A (en) * | 2015-04-23 | 2015-07-15 | 山东大学 | Concrete temperature recorder based on maturity theory and working method |
| CN106768447A (en) * | 2016-11-23 | 2017-05-31 | 河海大学 | A kind of multi source contribution formula concrete temperature intelligence control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20110528 |