CN203490003U - Temperature test box - Google Patents
Temperature test box Download PDFInfo
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- CN203490003U CN203490003U CN201320563071.3U CN201320563071U CN203490003U CN 203490003 U CN203490003 U CN 203490003U CN 201320563071 U CN201320563071 U CN 201320563071U CN 203490003 U CN203490003 U CN 203490003U
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- test
- terminal
- temperature
- resistance
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Abstract
The utility model discloses a temperature test box, comprising a test box body, wherein a first test connector terminal, a second test connector terminal, a third test connector terminal, a first test terminal selector switch, a second test terminal selector switch, a third test terminal selector switch, a resistance switch knob, a power supply connector terminal and an output connector terminal are arranged on the test box body, and a temperature transmitter is arranged in the test box body. The temperature test box disclosed by the utility model is simple in structure and convenient to use, and the temperature test box can be used for accurately and quickly finding the temperature inaccuracy reason through simple wiring and the resistance switch knob, thereby creating a lot of valuable time for eliminating defects, effectively improving the parallel working efficiency and filling the technical blank of defect elimination work of temperature inaccuracy.
Description
Technical field
The utility model belongs to temperature check technical field, is specifically related to a kind of temperature check test box.
Background technology
Development along with Substation Automation System, the functional configuration of Automatic monitoring systems improves gradually, its application is also more and more universal, according to statistics, the ratio of defects of supervising device is apparently higher than the ratio of defects of protective device, especially in hot summer, rugged environment is to supervising device and even supervisory system a kind of acid test especially, be directed at the defect that occurs that repeatedly temperature is inaccurate, its defect have three kinds may, the one, temp probe linearity is often led, the 2nd, temperature transmitter damages, the 3rd, telemetry system is wrong, by the judgement to these three defects, the place that can find out defect generation is the problem of primary equipment fault or secondary supervisory system, or intermediate link is abnormal, and the temperature checking test equipment that adopts prior art is difficult to the position that fast searching occurs to defect when test, waste a large amount of time, and now can only rely on technician, could eliminate, to defect elimination, operation causes larger obstruction, affect to a certain extent its practicality.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, accurately looking up the fault happening part, eliminate the temperature check test box that defect and practicality are good fast.
The technical scheme that realizes the utility model object is: a kind of temperature check test box, comprise test casing, described test casing is provided with the first test inserting terminal, the second test inserting terminal, the 3rd test inserting terminal, the first calibrating terminal change-over switch, the second calibrating terminal change-over switch, the 3rd calibrating terminal change-over switch, resistance switch knob, electric power connecting terminal and output inserting terminal, described the first test inserting terminal, the second test inserting terminal and the 3rd test inserting terminal are arranged side by side the left upper at described test casing, described the first calibrating terminal change-over switch, the second calibrating terminal change-over switch and the 3rd calibrating terminal change-over switch are arranged side by side the place, the upper right corner at described test casing, described resistance switch knob is arranged on the lower right-hand corner of described test casing, described electric power connecting terminal and output inserting terminal are arranged side by side the place, the lower right corner at described test casing, in described test casing, be provided with temperature transmitter, described the first test inserting terminal is electrically connected to described the first calibrating terminal change-over switch, described the second test inserting terminal is electrically connected to described the second calibrating terminal change-over switch, described the 3rd test inserting terminal is electrically connected to described the 3rd calibrating terminal change-over switch, described the first calibrating terminal change-over switch, the second calibrating terminal change-over switch and the 3rd calibrating terminal change-over switch are all electrically connected to described temperature transmitter, described electric power connecting terminal and output inserting terminal are all electrically connected to described temperature transmitter, the resistance one end that is connected to described resistance switch knob after described the first test inserting terminal and the second test inserting terminal parallel connection is electrically connected to, described the 3rd test inserting terminal is electrically connected to the resistance other end of resistance switch knob by resistance switch knob.
Described resistance switch knob is provided with five resistances and switches gear, and described five resistances are switched temperature gear corresponding to gear.
Described temperature transmitter be input as platinum thermal resistance value pt100, output voltage is 0-5V, input power is 100-270V.
Five resistances on described resistance switch knob are switched resistances corresponding to gear and are respectively 100Q, 112.3Q, 119.4Q, 131.2Q and 138.5Q, its respectively corresponding temperature gear be 0 ℃, 20 ℃, 40 ℃, 60 ℃, 80 ℃ and 100 ℃.
The temperature index of main transformer is by the variation of the variation reflection temperature of the platinum resistance thermometer sensor, pt100 resistance in thermometer meter, the industrial principle of platinum resistance thermometer sensor, be when PT100 at 0 degree Celsius time his resistance be 100 ohm, its resistance can increase along with temperature rises to form at the uniform velocity, we get wherein several resistances, if resistance is that 100 o'clock temperature are 0 ℃, when resistance is 107.79 ohm, temperature is 20 ℃, when resistance is 119.4 ohm, temperature is 50 ℃, resistance is that 130.90 o'clock temperature are 80 ℃, and when resistance is 138.51 ohm, temperature is 100 ℃.By " resistance switching handgrip ", input different resistance, replace platinum resistance thermometer sensor, pt100, the extension line of resistance is connected on the temperature transmitter of main transformer observing and controlling screen.Whether the linearity that can judge fast like this platinum resistance thermometer sensor, pt100 meets the demands.When it uses, by three calibrating terminal change-over switches, realize detection, when three calibrating terminal change-over switches are entirely when closing, only whole check test case is only simulated platinum resistance thermometer sensor, with this, determine whether that platinum resistance thermometer sensor, is abnormal, when intending platinum resistance thermometer sensor, by the first gang mould, do not eliminate defect, can get rid of platinum resistance thermometer sensor, time calibrating terminal change-over switch is placed in to unlatching " ON " position, simulate platinum resistance thermometer sensor, and temperature transmitter simultaneously, temperature acquisition is tested to verification, when three calibrating terminal change-over switches are all in " ON " when position, simulate platinum resistance thermometer sensor, and temperature transmitter simultaneously, electric power connecting terminal connects the temperature transmitter power supply of observing and controlling screen, output inserting terminal access measure and control device, with this, judge whether it is that platinum resistance thermometer sensor, and temperature transmitter are abnormal, if platinum resistance thermometer sensor, and temperature transmitter, without extremely, can be judged as the own damage of measure and control device direct current plate.
The utlity model has positive effect: of the present utility model simple in structure, easy to use, by temperature checking test box, by simple wiring and resistance switch knob just can be accurately, fast finding goes out the inaccurate reason of temperature, for defect elimination is striven for a large amount of quality time, the parallel rate of the work that effectively raises, has filled up the technological gap that temperature is forbidden defect elimination work.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is is the schematic diagram of utility model.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model; Fig. 2 is is the schematic diagram of utility model.
See Fig. 1 and Fig. 2, a kind of temperature check test box, comprise test casing 1, described test casing 1 is provided with the first test inserting terminal 2, the second test inserting terminal 3, the 3rd test inserting terminal 4, the first calibrating terminal change-over switch 5, the second calibrating terminal change-over switch 6, the 3rd calibrating terminal change-over switch 7, resistance switch knob 8, electric power connecting terminal 9 and output inserting terminal 10, described the first test inserting terminal 2, the second test inserting terminal 3 and the 3rd test inserting terminal 4 are arranged side by side the left upper at described test casing 1, described the first calibrating terminal change-over switch 5, the second calibrating terminal change-over switch 6 and the 3rd calibrating terminal change-over switch 7 are arranged side by side the place, the upper right corner at described test casing 1, described resistance switch knob 8 is arranged on the lower right-hand corner of described test casing 1, described electric power connecting terminal 9 and output inserting terminal 10 are arranged side by side the place, the lower right corner at described test casing 1, in described test casing 1, be provided with temperature transmitter 11, described the first test inserting terminal 2 is electrically connected to described the first calibrating terminal change-over switch 5, described the second test inserting terminal 3 is electrically connected to described the second calibrating terminal change-over switch 6, described the 3rd test inserting terminal 4 is electrically connected to described the 3rd calibrating terminal change-over switch 7, described the first calibrating terminal change-over switch 5, the second calibrating terminal change-over switch 6 and the 3rd calibrating terminal change-over switch 7 are all electrically connected to described temperature transmitter 11, described electric power connecting terminal 9 and output inserting terminal 10 are all electrically connected to described temperature transmitter 11, the resistance one end that is connected to described resistance switch knob 8 after described the first test inserting terminal 2 and the second test inserting terminal 3 parallel connections is electrically connected to, described the 3rd test inserting terminal 4 is electrically connected to the resistance other end of resistance switch knob 8 by resistance switch knob 8.
Described resistance switch knob 8 is provided with five resistances and switches gear, and described five resistances are switched temperature gear corresponding to gear.
Described temperature transmitter 11 be input as platinum thermal resistance value pt100, output voltage is 0-5V, input power is 100-270V.
Five resistances on described resistance switch knob 8 are switched resistances corresponding to gear and are respectively 100Q, 112.3Q, 119.4Q, 131.2Q and 138.5Q, its respectively corresponding temperature gear be 0 ℃, 20 ℃, 40 ℃, 60 ℃, 80 ℃ and 100 ℃.
The temperature index of main transformer is by the variation of the variation reflection temperature of the platinum resistance thermometer sensor, pt100 resistance in thermometer meter, the industrial principle of platinum resistance thermometer sensor, be when PT100 at 0 degree Celsius time his resistance be 100 ohm, its resistance can increase along with temperature rises to form at the uniform velocity, we get wherein several resistances, if resistance is that 100 o'clock temperature are 0 ℃, when resistance is 107.79 ohm, temperature is 20 ℃, when resistance is 119.4 ohm, temperature is 50 ℃, resistance is that 130.90 o'clock temperature are 80 ℃, and when resistance is 138.51 ohm, temperature is 100 ℃.By " resistance switching handgrip ", input different resistance, replace platinum resistance thermometer sensor, pt100, the extension line of resistance is connected on the temperature transmitter of main transformer observing and controlling screen.Whether the linearity that can judge fast like this platinum resistance thermometer sensor, pt100 meets the demands.When it uses, by three calibrating terminal change-over switches, realize detection, when three calibrating terminal change-over switches are entirely when closing, only whole check test case is only simulated platinum resistance thermometer sensor, with this, determine whether that platinum resistance thermometer sensor, is abnormal, when intending platinum resistance thermometer sensor, by the first gang mould, do not eliminate defect, can get rid of platinum resistance thermometer sensor, time calibrating terminal change-over switch is placed in to unlatching " ON " position, simulate platinum resistance thermometer sensor, and temperature transmitter simultaneously, temperature acquisition is tested to verification, when three calibrating terminal change-over switches are all in " ON " when position, simulate platinum resistance thermometer sensor, and temperature transmitter simultaneously, electric power connecting terminal connects the temperature transmitter power supply of observing and controlling screen, output inserting terminal access measure and control device, with this, judge whether it is that platinum resistance thermometer sensor, and temperature transmitter are abnormal, if platinum resistance thermometer sensor, and temperature transmitter, without extremely, can be judged as measure and control device direct current plate and damage.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (4)
1. a temperature check test box, comprise test casing, it is characterized in that: described test casing is provided with the first test inserting terminal, the second test inserting terminal, the 3rd test inserting terminal, the first calibrating terminal change-over switch, the second calibrating terminal change-over switch, the 3rd calibrating terminal change-over switch, resistance switch knob, electric power connecting terminal and output inserting terminal, described the first test inserting terminal, the second test inserting terminal and the 3rd test inserting terminal are arranged side by side the left upper at described test casing, described the first calibrating terminal change-over switch, the second calibrating terminal change-over switch and the 3rd calibrating terminal change-over switch are arranged side by side the place, the upper right corner at described test casing, described resistance switch knob is arranged on the lower right-hand corner of described test casing, described electric power connecting terminal and output inserting terminal are arranged side by side the place, the lower right corner at described test casing, in described test casing, be provided with temperature transmitter, described the first test inserting terminal is electrically connected to described the first calibrating terminal change-over switch, described the second test inserting terminal is electrically connected to described the second calibrating terminal change-over switch, described the 3rd test inserting terminal is electrically connected to described the 3rd calibrating terminal change-over switch, described the first calibrating terminal change-over switch, the second calibrating terminal change-over switch and the 3rd calibrating terminal change-over switch are all electrically connected to described temperature transmitter, described electric power connecting terminal and output inserting terminal are all electrically connected to described temperature transmitter, the resistance one end that is connected to described resistance switch knob after described the first test inserting terminal and the second test inserting terminal parallel connection is electrically connected to, described the 3rd test inserting terminal is electrically connected to the resistance other end of resistance switch knob by resistance switch knob.
2. temperature check test box according to claim 1, is characterized in that: described resistance switch knob is provided with five resistances and switches gear, and described five resistances are switched temperature gear corresponding to gear.
3. temperature check test box according to claim 2, is characterized in that: described temperature transmitter be input as platinum thermal resistance value pt100, output voltage is 0-5V, input power is 100-270V.
4. temperature check test box according to claim 3, it is characterized in that: five resistances on described resistance switch knob are switched resistances corresponding to gear and are respectively 100Q, 112.3Q, 119.4Q, 131.2Q and 138.5Q, its respectively corresponding temperature gear be 0 ℃, 20 ℃, 40 ℃, 60 ℃, 80 ℃ and 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563071.3U CN203490003U (en) | 2013-09-11 | 2013-09-11 | Temperature test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563071.3U CN203490003U (en) | 2013-09-11 | 2013-09-11 | Temperature test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203490003U true CN203490003U (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563071.3U Expired - Fee Related CN203490003U (en) | 2013-09-11 | 2013-09-11 | Temperature test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203490003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101449A (en) * | 2014-08-14 | 2014-10-15 | 国网湖南省电力公司长沙供电分公司 | Linear oil temperature loop tester |
| CN109506797A (en) * | 2018-12-28 | 2019-03-22 | 国家电网有限公司 | A kind of transforming plant main transformer oil temperature integrated testing device |
-
2013
- 2013-09-11 CN CN201320563071.3U patent/CN203490003U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104101449A (en) * | 2014-08-14 | 2014-10-15 | 国网湖南省电力公司长沙供电分公司 | Linear oil temperature loop tester |
| CN109506797A (en) * | 2018-12-28 | 2019-03-22 | 国家电网有限公司 | A kind of transforming plant main transformer oil temperature integrated testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |