CN201926521U - Portable intelligent temperature tester - Google Patents
Portable intelligent temperature tester Download PDFInfo
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- CN201926521U CN201926521U CN2010206908065U CN201020690806U CN201926521U CN 201926521 U CN201926521 U CN 201926521U CN 2010206908065 U CN2010206908065 U CN 2010206908065U CN 201020690806 U CN201020690806 U CN 201020690806U CN 201926521 U CN201926521 U CN 201926521U
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- 238000012360 testing method Methods 0.000 description 9
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- 238000006243 chemical reaction Methods 0.000 description 2
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Abstract
The utility model discloses a portable intelligent temperature tester, belonging to a concrete temperature measuring device. The portable intelligent temperature tester comprises a power supply, an alarm module, a temperature sensor, a data processor and a display module, wherein the temperature sensor acquires temperature signal data which is input into the data processor for data processing, data processing results are finally displayed through the display module, the alarm module is connected with the display module, the power supply is respectively connected with the data processor, the display module and the alarm module, the temperature sensor is a two-wire high-sensitivity thermistor, the data processor is a master control unit (MCU) microprocessor and the display module is a liquid crystal display. The portable intelligent temperature tester is a device which can continuously, accurately and simultaneously measure temperature at multiple points of concrete under the condition that the device is not connected with an external power supply. Moreover, the device has the advantages that the power consumption is low, the device is simple to operate and convenient to carry, and the temperature of the concrete can be directly read.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, particularly a kind of portable intelligent temperature measuring device that is used for concrete measuring temperature.
Background technology
Existing building, concrete measuring temperature mostly is to adopt the temperature value that will repeatedly test by bus to be transferred in the computer by data acquisition device to preserve in the bridge construction work progress, the temperature sensor that uses mostly is simulation integrated temperature sensor and digital temperature sensor greatly, in use the measurement temperature error to the front end scene is big, and that uses mostly is three-wire system, four-wire system, to measuring the very inconvenience of front end temperature in the work progress, because the working-yard environment is abominable, influence to lead signal is excessive, be not suitable for telemeasurement front end temperature, can not the temperature of front end in the work progress be made accurate judgment, cause construction quality deviation to occur.Existing equipment test is not convenient, need convert by respective table, just can read the front end Celsius temperature, and can not measure multi-point temp simultaneously, and when external power supply not, the working time is short, and it is not convenient to test, and measuring error is big; And entire circuit is that the mode with series connection connects, and when having in the series circuit when a bit disconnecting, entire circuit disconnects.Because working-yard condition more complicated, single-sensor damage or somewhere circuit take place easily to be damaged, if above situation takes place, the whole temp measuring system state that will paralyse, can not work on again, and, because the complicacy of working-yard condition, often be difficult to check to be the problem which section circuit goes out immediately, therefore can incur loss through delay the work of measurement.When big at the scene, wiring can be long especially, and effectively thermometric and gather and transmit data has influenced normal surveying work.
Therefore need a kind of device that when external power supply not, can measure the concrete multi-point temp continuously exactly simultaneously.
The utility model content
In view of this, technical problem to be solved in the utility model provides a kind of device that can measure the concrete multi-point temp when external power supply not continuously exactly simultaneously, and this device low-power consumption, simple to operate, easy to carry and can directly read the temperature of mixing earth.
The utility model is achieved through the following technical solutions:
The portable intelligent temperature measuring device that the utility model provides comprises multi-point sampler module and data processor, and described multi-point sampler module collecting temperature signal also is input to data processor and carries out data processing.
Further, also comprise the display module that is used for the video data result, described display module is connected with data processor;
Further, also comprise alarm module, described alarm module is connected with power module;
Further, also comprise power module, described power module is connected with data processor, display module and alarm module respectively, described power module comprises power transfer module, described power transfer module is provided with relay, external power supply port and standby power supply, first contact of described relay is connected with standby power supply, and second contact of described relay is connected with the external power supply port;
Further, also comprise time-delay shutdown module and DC-DC module automatically, the described time-delay module input that shuts down automatically is connected with the output terminal of power module, the described time-delay module output terminal that shuts down automatically is connected with the DC-DC module input, and the output terminal of described DC-DC module is connected with display module with data processor respectively;
Further, described multi-point sampler module comprises the temperature sensor of at least one two-wire system high-sensitivity thermosensitive resistance;
Further, described data processor is for adopting the PIC single-chip microcomputer of nanowatt technology super low-power consumption;
Further, described display module is a LCD.
The beneficial effects of the utility model are: it is that temperature sensor is that the utility model adopts two-wire system high-sensitivity thermosensitive resistance, raising is to the accuracy of front end in-site measurement temperature, measure multi-point temp simultaneously, easy to carry, the test convenient, directly read digital temperature, low-power consumption, but continuous working 400 hours when external power supply not.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is a portable intelligent temperature measuring device theory diagram;
Fig. 2 is a portable intelligent temperature measuring device process flow diagram;
Fig. 3 is a super low-power consumption power module circuitry circuit diagram;
Fig. 4 is temperature sensor and data processor circuit figure.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
Fig. 1 is a portable intelligent temperature measuring device theory diagram, Fig. 2 is a portable intelligent temperature measuring device process flow diagram, Fig. 3 is a super low-power consumption power module circuitry circuit diagram, Fig. 4 is temperature sensor and data processor circuit figure, as shown in the figure, the portable intelligent temperature measuring device that the utility model provides comprises multi-point sampler module and data processor, and described multi-point sampler module collecting temperature signal also is input to data processor and carries out data processing.
Further improvement as the foregoing description also comprises the display module that is used for the video data result, and described display module is connected with data processor.
Further improvement as the foregoing description also comprises alarm module, and described alarm module is connected with power module.
Further improvement as the foregoing description, also comprise power module 30, described power module is connected with data processor, display module and alarm module respectively, described power module comprises power transfer module 31, described power transfer module 31 is provided with relay 313, external power supply port 312 and standby power supply 311, first contact of described relay is connected with standby power supply 311, and second contact of described relay is connected with external power supply port 312.
Further improvement as the foregoing description, also comprise time-delay shutdown module 32 and DC-DC module 33 automatically, described time-delay module 32 input ends that shut down automatically are connected with the output terminal of power module 31, described time-delay module 32 output terminals that shut down automatically are connected with DC-DC module 33 input ends, and the output terminal of described DC-DC module 33 is connected with display module with data processor respectively; Low pressure reduction (LDO) voltage stabilizer that power module adopts CMOS technology to make, model is MCP1801-5, it is 150mA that maximum electric current can be provided, and its quiescent current has only 25 μ A(representative values), input voltage range is 2.0V to 10.0V, is particularly suitable for two joints or six joint disposable batteries, 9V alkaline battery and a joint or the battery-powered application of two joint lithium-ion electrics; Power transfer module 31, can be by 9V powered battery or 220V AC-powered, when the 9V powered battery, relay is connected powered battery, when the 220V power supply does not connect tester, relay is connected 220V power supply power supply automatically, and when test job to 13 minute, tester shuts down automatically, to guarantee the prolonging test job time, super low-power consumption DC-DC chip is data processor, and display module provides stablizes the 5V power supply.
Further improvement as the foregoing description, described multi-point sampler module 41 comprises the temperature sensor of at least one two-wire system high-sensitivity thermosensitive resistance, and the data of 20 groups of temperature sensor measurements are connected with data processor respectively by data input module carries out computing.
Further improvement as the foregoing description, described data processor 42 is for adopting the PIC single-chip microcomputer of nanowatt technology super low-power consumption, model is PIC16F690, have 8 CMOS flash memories of 20 pins, the exemplary operation current value is 220 μ A when 4MHz, 2.0V, be with 10 bit resolution A/D conversion and analog comparator module, be used to control the temperature sensor measurement data processing, send data to liquid crystal display mode and show.
Further improvement as the foregoing description, described display module 43 comprises LCD, be used for the temperature data that display data processor sends, be shown on the display screen with a degree centigrade form, can adopt the digital display tube of four LCD of low-power consumption, model is the segment code type LCD of EDM1190A-2, and the display module that constitutes by driving circuit, 8 bit CPU interface circuits, and low in energy consumption, strong interference immunity, temperature range are wide.
In this tester, also adopt TVS that internal circuit is carried out electrostatic defending, pilot lamp is reported to the police when external power source is lower than 7V, the calibrating terminal of tester has 20 test ports, can test the temperature value of 20 differences simultaneously, 20 set of connections terminals are connected with the temperature sensor that two-wire system high-sensitivity thermosensitive resistance is made, and by toggle switch selection demonstration corresponding point temperature value, treat just can accurately read the front end temperature value after 3-5 stablizes the reading duration second, need not plug, can measure the temperature value of difference fast each test point.
The portable intelligent temperature measuring device carries out work by following program: carry out system initialization work at first, the ready collecting temperature data-signal that just begins, and be digital temperature signal with analog signal conversion by the A/D modular converter, solve temperature degree centigrade expression values, regularly interrupt then the LCD display module that temperature value sends is shown, and then find the solution next time temperature value, otherwise finish whole working routine.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present utility model that do not depart from appended claims and limited.
Claims (8)
1. portable intelligent temperature measuring device is characterized in that: comprise multi-point sampler module and data processor, described multi-point sampler module collecting temperature signal also is input to data processor and carries out data processing.
2. portable intelligent temperature measuring device according to claim 1 is characterized in that: also comprise the display module that is used for the video data result, described display module is connected with data processor.
3. portable intelligent temperature measuring device according to claim 2 is characterized in that: also comprise alarm module, described alarm module is connected with power module.
4. portable intelligent temperature measuring device according to claim 3, it is characterized in that: also comprise power module (30), described power module is connected with data processor, display module and alarm module respectively, described power module comprises power transfer module (31), described power transfer module (31) is provided with relay (313), external power supply port (312) and standby power supply (311), first contact of described relay is connected with standby power supply (311), and second contact of described relay is connected with external power supply port (312).
5. portable intelligent temperature measuring device according to claim 4, it is characterized in that: also comprise time-delay shutdown module 32 and DC-DC module (33) automatically, described time-delay module (32) input end that shuts down automatically is connected with the output terminal of power module (31), described time-delay module (32) output terminal that shuts down automatically is connected with DC-DC module (33) input end, and the output terminal of described DC-DC module (33) is connected with display module with data processor respectively.
6. portable intelligent temperature measuring device according to claim 5 is characterized in that: described multi-point sampler module comprises the temperature sensor of at least one two-wire system high-sensitivity thermosensitive resistance.
7. portable intelligent temperature measuring device according to claim 6 is characterized in that: described data processor is for adopting the PIC single-chip microcomputer of nanowatt technology super low-power consumption.
8. portable intelligent temperature measuring device according to claim 7 is characterized in that: described display module is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206908065U CN201926521U (en) | 2010-12-30 | 2010-12-30 | Portable intelligent temperature tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206908065U CN201926521U (en) | 2010-12-30 | 2010-12-30 | Portable intelligent temperature tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201926521U true CN201926521U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206908065U Expired - Lifetime CN201926521U (en) | 2010-12-30 | 2010-12-30 | Portable intelligent temperature tester |
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| Country | Link |
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| CN (1) | CN201926521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900637A (en) * | 2014-03-17 | 2014-07-02 | 华南理工大学 | Laboratory environment detection instrument |
| CN111119016A (en) * | 2018-10-31 | 2020-05-08 | 交通运输部公路科学研究所 | Cement concrete pavement joint cutting time determining device and method |
-
2010
- 2010-12-30 CN CN2010206908065U patent/CN201926521U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900637A (en) * | 2014-03-17 | 2014-07-02 | 华南理工大学 | Laboratory environment detection instrument |
| CN111119016A (en) * | 2018-10-31 | 2020-05-08 | 交通运输部公路科学研究所 | Cement concrete pavement joint cutting time determining device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHONGQING KAIJIN SCIENCE CO., LTD. Free format text: FORMER NAME: CHONGQING CITY KAIJIN SCIENCE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 401666, No. 12, branch circuit, tea garden long circuit, Nan'an District, Chongqing Patentee after: CHONGQING KAIJIN SCIENCE CO., LTD. Address before: 401666, No. 12, branch circuit, tea garden long circuit, Nan'an District, Chongqing Patentee before: Chongqing Kaijin Science Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |