CN202814589U - Temperature inspecting instrument - Google Patents
Temperature inspecting instrument Download PDFInfo
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- CN202814589U CN202814589U CN 201220541073 CN201220541073U CN202814589U CN 202814589 U CN202814589 U CN 202814589U CN 201220541073 CN201220541073 CN 201220541073 CN 201220541073 U CN201220541073 U CN 201220541073U CN 202814589 U CN202814589 U CN 202814589U
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Abstract
The utility model discloses a temperature inspecting instrument, which belongs to the field of computer, and aims to solve the problems that the prior temperature inspecting instrument has low measuring accuracy and low inspection quality and make no contribution to data storage, thereby causing large workload. The temperature inspecting instrument comprises a channel section circuit, a signal conditioning circuit, an A/D conversion circuit, a single-chip microcomputer, a storage and n temperature sensors, wherein each temperature sensor is respectively and correspondingly connected with one input end of the channel section circuit, an output end of the channel section circuit is connected with an input end of the signal conditioning circuit, an output end of the signal conditioning circuit is connected with an analog signal input end of the A/D conversion circuit, a digital signal output end of the A/D conversion circuit is connected with an input end of the single-chip microcomputer, a selection signal control end of the single-chip microcomputer is connected with a selection signal control end of the channel section circuit, and a data input/output end of the single-chip microcomputer is connected with a data input/output end of the data storage circuit.
Description
Technical field
The utility model relates to temperature polling instrument, belongs to computer realm.
Background technology
The existing temperature polling instrument that adopts thermopair adopts thermistor or electric bridge corrective network that the cold junction temperature of thermopair is compensated mostly, and its implementation is to adopt mimic channel will compensate electric heating directly and the thermoelectrical potential of thermopair superposes.This temperature polling instrument exists complex circuit, debug difficulties, in the shortcoming that abominable industrial environment is interfered easily, measuring accuracy is low, and different thermopair corrective networks is incompatible.And, temperature polling instrument just carries out the circulatory monitoring demonstration to the temperature of temperature monitoring point now, do not carry out the data stored record, Temperature numerical need to have the special messenger to carry out hand-kept, thereby is not suitable for the occasion that need to record the temperature monitoring data for a long time.In addition, thermopair belongs to metal material, and when it and measured point electrified body came in contact or produce too high induced potential, high voltage can import temperature measuring equipment into, might cause temperature measuring equipment to damage.The existence of above problem not only makes the temperature monitoring workload strengthen, and has greatly affected the raising of testing quality.
Summary of the invention
The utility model purpose be for solve present temperature polling instrument measuring accuracy low, do not carry out data storages, testing is of low quality, causes afterwards the large problem of workload, and a kind of temperature polling instrument is provided.
Temperature polling instrument described in the utility model, it comprises channel selection circuit, signal conditioning circuit, A/D change-over circuit, single-chip microcomputer, storer and n temperature sensor,
Each temperature sensor is all corresponding continuous with an input end of channel selection circuit, the output terminal of channel selection circuit links to each other with the input end of signal conditioning circuit, the output terminal of signal conditioning circuit links to each other with the input end of analog signal of A/D change-over circuit, the digital signal output end of A/D change-over circuit links to each other with the input end of single-chip microcomputer, the selection signal controlling end of single-chip microcomputer links to each other with the selection signal controlling end of channel selection circuit, the data input/output terminal of single-chip microcomputer links to each other with the data input/output terminal of storer, and n is positive integer.
Advantage of the present utility model: device described in the utility model is with the little core that is treated to of high performance single-chip microcomputer, and the data that detect are stored constantly, needn't the hand-kept temperature, effectively reduced workload.
Description of drawings
Fig. 1 is the structural representation of temperature polling instrument described in the utility model.
Embodiment
Embodiment one: below in conjunction with Fig. 1 present embodiment is described, the described temperature polling instrument of present embodiment, it comprises channel selection circuit 2, signal conditioning circuit 3, A/D change-over circuit 4, single-chip microcomputer 5, storer 9 and n temperature sensor 1,
Each temperature sensor 1 is all corresponding continuous with an input end of channel selection circuit 2, the output terminal of channel selection circuit 2 links to each other with the input end of signal conditioning circuit 3, the output terminal of signal conditioning circuit 3 links to each other with the input end of analog signal of A/D change-over circuit 4, the digital signal output end of A/D change-over circuit 4 links to each other with the input end of single-chip microcomputer 5, the selection signal controlling end of single-chip microcomputer 5 links to each other with the selection signal controlling end of channel selection circuit 2, the data input/output terminal of single-chip microcomputer 5 links to each other with the data input/output terminal of storer 9, and n is positive integer.
Temperature polling instrument described in the utility model detects for the system that needs detect the many places temperature, such as the temperature that detects motor unit respective points, n temperature sensor 1 is arranged on the position that the needs of motor unit detect, and described temperature polling instrument can tour inspection generator unit temperature, guide bearing temperature, thrust bearing segment temperature, fuel tank oil temperature and refrigeratory cold-hot wind temperature etc.
Each needs temperature measurement location that a temperature sensor 1 is set, the signal that temperature sensor 1 is measured is finally exported to single-chip microcomputer 5 and is processed, the utility model device goes the rounds to detect to n temperature sensor 1, the touring order that detects is exported to channel selection circuit 2 by single-chip microcomputer 5, control channel selects circuit 2 to select wherein a-road-through road closure by the sequential of setting, so that in the temperature signal access signal conditioning circuit 3 of temperature sensor 1 detection, detect the temperature of described temperature sensor 1, and data are stored in the storer 9, store the data of storer 9 into and can be called by single-chip microcomputer 5.
Embodiment two: present embodiment is described further embodiment one, and it also comprises telecommunication circuit 6 and host computer 7, and single-chip microcomputer 5 communicates by telecommunication circuit 6 and host computer 7.
Embodiment three: present embodiment is described further embodiment one or two, and it also comprises power supply 8, and power supply 8 is single-chip microcomputer 5 power supplies.
Embodiment four: present embodiment is described further embodiment one, two or three, and it also comprises alarm 10, and the alarm command output terminal of single-chip microcomputer 5 links to each other with the input end of alarm 10.
Embodiment five: present embodiment is described further embodiment one, two, three or four, and it also comprises display 11, and the idsplay order output terminal of single-chip microcomputer 5 links to each other with the input end of display 11.
In order to be user-friendly to, the demonstration of the visual result of data is provided with display 11, just can very intuitively, clearly know each check point temperature that will detect at the temperature polling instrument scene.
Embodiment six: present embodiment is described further embodiment one, two, three, four or five, and it also comprises outside input command circuit 12, and the external command input end of single-chip microcomputer 5 links to each other with the output terminal of outside input command circuit 12.
External command input circuit 12 can be realized the function of manual input parameter, can manually set everywhere higher limit and the upper higher limit of temperature according to actual conditions.
Embodiment seven: present embodiment is described further embodiment six, and outside input command circuit 12 selects keyboard to realize.
Embodiment eight: present embodiment is described further embodiment one, two, three, four, five, six or seven, and temperature sensor 1 is selected Pt100 sensor or Cu50 sensor.
Claims (8)
1. temperature polling instrument is characterized in that, it comprises channel selection circuit (2), signal conditioning circuit (3), A/D change-over circuit (4), single-chip microcomputer (5), storer (9) and n temperature sensor (1),
Each temperature sensor (1) is all corresponding continuous with an input end of channel selection circuit (2), the output terminal of channel selection circuit (2) links to each other with the input end of signal conditioning circuit (3), the output terminal of signal conditioning circuit (3) links to each other with the input end of analog signal of A/D change-over circuit (4), the digital signal output end of A/D change-over circuit (4) links to each other with the input end of single-chip microcomputer (5), the selection signal controlling end of single-chip microcomputer (5) links to each other with the selection signal controlling end of channel selection circuit (2), the data input/output terminal of single-chip microcomputer (5) links to each other with the data input/output terminal of storer (9), and n is positive integer.
2. described temperature polling instrument according to claim 1 is characterized in that it also comprises telecommunication circuit (6) and host computer (7), and single-chip microcomputer (5) communicates by telecommunication circuit (6) and host computer (7).
3. described temperature polling instrument according to claim 1 is characterized in that it also comprises power supply (8), and power supply (8) is single-chip microcomputer (5) power supply.
4. described temperature polling instrument according to claim 1 is characterized in that it also comprises alarm (10), and the alarm command output terminal of single-chip microcomputer (5) links to each other with the input end of alarm (10).
5. described temperature polling instrument according to claim 1 is characterized in that it also comprises display (11), and the idsplay order output terminal of single-chip microcomputer (5) links to each other with the input end of display (11).
6. described temperature polling instrument according to claim 1 is characterized in that it also comprises outside input command circuit (12), and the external command input end of single-chip microcomputer (5) links to each other with the output terminal of outside input command circuit (12).
7. described temperature polling instrument according to claim 6 is characterized in that outside input command circuit (12) selects keyboard to realize.
8. described temperature polling instrument according to claim 1 is characterized in that temperature sensor (1) is selected Pt100 sensor or Cu50 sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220541073 CN202814589U (en) | 2012-10-22 | 2012-10-22 | Temperature inspecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220541073 CN202814589U (en) | 2012-10-22 | 2012-10-22 | Temperature inspecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814589U true CN202814589U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220541073 Expired - Fee Related CN202814589U (en) | 2012-10-22 | 2012-10-22 | Temperature inspecting instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN202814589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359580A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Thermal resistance temperature itinerant detector |
| CN105845012A (en) * | 2016-04-06 | 2016-08-10 | 湖南汽车工程职业学院 | Experiment apparatus for vehicle coolant temperature sensor |
-
2012
- 2012-10-22 CN CN 201220541073 patent/CN202814589U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359580A (en) * | 2014-12-09 | 2015-02-18 | 南京化工职业技术学院 | Thermal resistance temperature itinerant detector |
| CN105845012A (en) * | 2016-04-06 | 2016-08-10 | 湖南汽车工程职业学院 | Experiment apparatus for vehicle coolant temperature sensor |
| CN105845012B (en) * | 2016-04-06 | 2019-02-19 | 湖南汽车工程职业学院 | A kind of automobile coolant temperature sensor experimental provision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: JI WEIDONG ZHANG LONG TAO YONGHONG Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: 150000 No. 1 South Normal University, Harbin, Heilongjiang, Songbei Patentee after: Harbin Teachers' Univ. Address before: 150000 No. 1 South Normal University, Harbin, Heilongjiang, Songbei Patentee before: Harbin Teachers' Univ. Patentee before: Ji Weidong Patentee before: Zhang Long Patentee before: Tao Yonghong |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20131022 |