CN209055230U - Temperature signal detection device and system - Google Patents
Temperature signal detection device and system Download PDFInfo
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- CN209055230U CN209055230U CN201821929466.XU CN201821929466U CN209055230U CN 209055230 U CN209055230 U CN 209055230U CN 201821929466 U CN201821929466 U CN 201821929466U CN 209055230 U CN209055230 U CN 209055230U
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Abstract
The utility model provides a kind of temperature signal detection device and system, is related to instrument detection technique field, comprising: shell signal supervisory instrument, accumulator plant, starts switch, signal acquisition interface, display screen and charging interface；Signal supervisory instrument, accumulator plant, start switch, signal acquisition interface, display screen and charging interface be arranged in shell；Signal supervisory instrument respectively with accumulator plant, start switch, signal acquisition interface and display screen are connect；Accumulator plant is connect with charging interface；Signal supervisory instrument detects the temperature of voltage, electric current and resistance, obtains temperature data；Accumulator plant provides electricity for signal supervisory instrument；Display screen displays temperature data, improve the detection efficiency to main transformer body thermometer, improve the Experience Degree of user.
Description
Technical field
The utility model relates to instrument detection technique fields, more particularly, to a kind of temperature signal detection device and system.
Background technique
In power industry, pressure-type thermometer and main transformer temperature table application are very frequent, particularly with power supply bureau's electrical measurement
Professional domain, in laboratory's progress pressure-type thermometer calibrating and when substation carries out main transformer temperature table regular inspection and defect elimination, often
Often dut temperature signal is tested.
At present in laboratory's progress pressure-type thermometer calibrating and when substation carries out main transformer temperature table regular inspection and defect elimination,
The detection that the interim establishment circuit such as 24V D.C. regulated power supply, multimeter, digital thermometer must be carried out to temperature signal, by
In setting up, the circuit used time is longer, while setting up the case where being easy to appear wrong line, therefore the circuit of existing temperature-detecting device
It sets up time-consuming and laborious.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of temperature signal detection device and system, it is existing to solve
There is the circuit of temperature-detecting device present in technology to set up time-consuming and laborious technical problem.
In a first aspect, the utility model embodiment provides a kind of temperature signal detection device, comprising: shell, signal inspection
It surveys device, accumulator plant, start switch, signal acquisition interface, display screen and charging interface；Signal supervisory instrument, electric power storage
Pool device, start switch, signal acquisition interface, display screen and charging interface be arranged in shell；Signal supervisory instrument difference
With accumulator plant, start switch, signal acquisition interface and display screen are connect；Accumulator plant is connect with charging interface；Letter
Number detection device detects the temperature of voltage, electric current and resistance, obtains temperature data；Accumulator plant is signal detection
Device provides electricity；Display screen displays temperature data.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, signal supervisory instrument includes: voltage temperature signal detection device, current temperature signal supervisory instrument and resistance temperature signal
Detection device.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, accumulator plant is 24V battery.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, signal acquisition interface includes: voltage signal acquisition interface, current signal acquisition interface and resistance signal acquisition interface.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, voltage signal acquisition interface and current signal acquisition interface include: positive acquisition interface and cathode acquisition interface.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, display screen includes: voltage data display screen, current data display screen and resistance data display screen.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, temperature signal detection device further include: shorting switch, indicator light, loudspeaker and anti-reverse connection device；Shorting switch and anti-
Inverse connection device is connect with signal acquisition interface；Charging interface and accumulator plant are connect with indicator light；Loudspeaker with it is anti-reverse
Connection device connection.
The mode of the 6th kind of possible implementation with reference to first aspect, the utility model embodiment provide first aspect
7th kind of possible embodiment, wherein indicator light is that light emitting diode (Light-Emitting Diode, abbreviation LED) refers to
Show lamp.
The 6th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein indicator light includes: battery undervoltage indicator light and charging indicator light.
Second aspect, the utility model embodiment also provide a kind of temperature signal detection system, comprising: signal detection line,
Charging cable and temperature signal detection device as described in relation to the first aspect；Letter in signal detection line and temperature signal detection device
The connection of number acquisition interface；Charging cable is connect with the charging interface in temperature signal detection device.
Technical solution provided by the embodiment of the utility model bring it is following the utility model has the advantages that
The utility model provides a kind of temperature signal detection device and system, comprising: shell, signal supervisory instrument, storage
Cell apparatus starts switch, signal acquisition interface, display screen and charging interface, wherein signal supervisory instrument, battery dress
It sets, start switch, signal acquisition interface, display screen and charging interface are arranged in shell；Furthermore signal supervisory instrument is distinguished
With accumulator plant, start switch, signal acquisition interface and display screen are connect；In addition, accumulator plant and charging interface connect
It connects, therefore, signal supervisory instrument is detected by the temperature to voltage, electric current and resistance, obtains temperature data, wherein
Accumulator plant provides electricity for signal supervisory instrument, and display screen displays temperature data are improved to main transformer body thermometer
Detection efficiency improves the Experience Degree of user, so that time-consuming and laborious technology is set up in the circuit for solving the detection device of temperature
Problem.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of temperature signal detection device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of signal supervisory instrument provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of signal acquisition interface provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of display screen provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of another temperature signal detection device provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of indicator light provided by the embodiment of the utility model；
Fig. 7 is the appearance schematic diagram of temperature signal detection device provided by the embodiment of the utility model；
Fig. 8 is the structural schematic diagram of temperature signal detection system provided by the embodiment of the utility model.
Icon: 1- temperature signal detection device；2- signal detection line；3- charging cable；10- shell；11- signal detection dress
It sets；12- accumulator plant；13- is started switch；14- signal acquisition interface；15- display screen；16- charging interface；17- short circuit is opened
It closes；18- indicator light；19- loudspeaker；The anti-reverse connection device of 20-；110- voltage temperature signal detection device；111- current temperature letter
Number detection device；112- resistance temperature signal supervisory instrument；140- voltage signal acquisition interface；The acquisition of 141- current signal connects
Mouthful；142- resistance signal acquisition interface；150- voltage data display screen；151- current data display screen；152- resistance data is aobvious
Display screen；180- battery undervoltage indicator light；181- charging indicator light.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, laboratory carries out pressure-type thermometer calibrating and when substation carries out main transformer temperature table regular inspection and defect elimination,
24V D.C. regulated power supply, multimeter, digital thermometer etc. must temporarily be set up to circuit to carry out, circuit is set up in operating process
Used time is longer, while wiring error easily occurs, influences actual test result, therefore, the loop sets of existing temperature-detecting device
It builds time-consuming and laborious.Based on this, a kind of temperature signal detection device and system provided by the embodiment of the utility model be can solve existing
There is the circuit of temperature-detecting device present in technology to set up time-consuming and laborious technical problem.
To be examined to a kind of temperature signal disclosed in the utility model embodiment first convenient for understanding the present embodiment
Apparatus and system is surveyed to describe in detail.
Embodiment one:
The utility model embodiment provides a kind of temperature signal detection device, as shown in Figure 1, comprising: shell 10, signal inspection
It surveys device 11, accumulator plant 12, start switch 13, signal acquisition interface 14, display screen 15 and charging interface 16.
Signal supervisory instrument 11, accumulator plant 12 start switch 13, signal acquisition interface 14, display screen 15 and fill
Electrical interface 16 is arranged in shell 10；Wherein, accumulator plant 12 is 24V battery, for providing electricity for signal supervisory instrument
Amount, when user carries out the regular inspection and defect elimination of main transformer body thermometer, it is not necessary to individually carry voltage source, be brought convenience to user.
Wherein, start switch is to bring convenience for opening temperature signal supervisory instrument for the use of temperature signal detection device.Its
In, signal supervisory instrument 11, as shown in Figure 2, comprising: voltage temperature signal detection device 110, current temperature signal supervisory instrument
111 and resistance temperature signal supervisory instrument 112.Due to carrying out pressure-type thermometer calibrating in laboratory and being carried out in substation
When main transformer temperature table regular inspection and defect elimination, dut temperature signal is tested, usual main transformer body thermometer connects electricity to be measured
Pressure, electric current to be measured, testing resistance show the temperature data of voltage to be measured, electric current to be measured, testing resistance, wherein signal detection dress
It sets and detects same voltage to be measured, electric current to be measured, testing resistance with main transformer temperature table, to determine the temperature registration of main transformer temperature table
It is whether correct, to realize the regular inspection and defect elimination of main transformer temperature table.
Wherein, voltage to be measured and electric current to be measured and temperature data have linear relationship, the resistance value of resistance to be measured
Variation with temperature and change, reference can be made to the phasing meter of PT100 platinum resistance, as shown in table 1, the value range of voltage to be measured is
0V-5V, i.e., at 0 DEG C, voltage is 0V, and at 40 DEG C, voltage is 5V, and at 20 DEG C, voltage is 2.5V；The value model of electric current to be measured
It encloses for 4mA-20mA, i.e., at 0 DEG C, electric current is 4mA, and at 150 DEG C, electric current is 20mA, and at 75 DEG C, electric current is 10mA；It is to be measured
Resistance is PT100 platinum resistance, i.e., at 0 DEG C, resistance value is 100 ohm, and at 100 DEG C, its resistance value is about 138.51 ohm.
Table 1
| Temperature | 0℃ | 20℃ | 40℃ | 60℃ | 80℃ | 100℃ |
| Resistance value | 100.00Ω | 107.79Ω | 115.54Ω | 123.24Ω | 130.90Ω | 138.51Ω |
The structural schematic diagram of signal acquisition interface 14 is as shown in Figure 3, comprising: voltage signal acquisition interface 140, current signal
Acquisition interface 141 and resistance signal acquisition interface 142.Wherein, signal acquisition interface is plug-in acquisition port, is grasped convenient for user
Make.When voltage signal to be detected, current signal to be detected and resistance signal to be detected access corresponding signal acquisition mouth, i.e.,
Signal detection can be carried out, is easy to use by users, in addition, voltage signal acquisition interface 140 and current signal acquisition interface 141
It include: positive acquisition interface and cathode acquisition interface, since voltage signal and current signal have directionality, setting
Positive acquisition interface and cathode acquisition interface, correctly to acquire voltage signal to be measured and current signal to be measured.
The structural schematic diagram of display screen 15 is as shown in Figure 4, comprising: voltage data display screen 150, current data display screen
151 and resistance data display screen 152.Wherein, voltage data display screen is used to show the voltage value of voltage signal to be measured；Electric current
Data display screen is used to show the current value of current signal to be measured；Resistance data display screen is used to show the electricity of testing resistance signal
Resistance value.
Specifically, signal supervisory instrument 11 respectively with accumulator plant 12, start switch 13, signal acquisition interface 14 and
Display screen 15 connects；Accumulator plant 12 is connect with charging interface 16；Wherein charging interface can connect the AC power source of 220V,
To charge for accumulator plant.
Signal supervisory instrument 11 detects the temperature of voltage, electric current and resistance, obtains temperature data；Battery dress
It sets 12 and provides electricity for signal supervisory instrument 11；15 displays temperature data of display screen.
Another embodiment as the utility model is as shown in figure 5, temperature signal detection device 1 further include: shorting switch
17, indicator light 18, loudspeaker 19 and anti-reverse connection device 20.Wherein, shorting switch 17 and anti-reverse connection device 20 be and signal
Acquisition interface 14 connects；Charging interface 16 and accumulator plant 12 are connect with indicator light 18；Loudspeaker 19 and anti-reverse connection device
20 connections.Wherein, shorting switch is arranged in order to ensure detection device normal work, if pressing shorting switch, resistance number
It is shown as 0 according to display screen data, then detects signal device normal work；If pressing shorting switch, resistance data display screen
Data show not to be 0, then detect signal device failure, need to detect failure cause in time, more preferably to detect temperature letter
Number.
Indicator light 18 is LED light.Wherein, the structure of indicator light includes: battery undervoltage indicator light 180 as shown in Figure 6
And charging indicator light 181.When 220V AC power source charges to temperature signal detection device, charging indicator light is shown as red
Color, when temperature signal detection device is fully charged, charging indicator light is shown in green.When accumulator plant not enough power supply, electricity
Pond is under-voltage, and indicator light is shown as yellow.
Anti-reverse connection device is signal detection line and voltage signal acquisition interface, current signal acquisition interface wiring in order to prevent
Mistake and be arranged, such as: the signal detection line of voltage forward direction to be measured is connect with voltage cathode acquisition interface, and loudspeaker will issue police
Report, user is according to the alarm sounds of loudspeaker it is found that signal detection line wiring error, changes the wiring side of signal detection line in time
Formula, the damage of avoiding device.
Fig. 7 show the appearance schematic diagram of temperature signal detection device, comprising: shorting switch starts switch, charging
Mouth, battery undervoltage indicator light, charging indicator light, current data display screen, voltage data display screen, resistance data display screen, electricity
Flow signal acquisition interface, voltage signal acquisition interface and resistance signal acquisition interface.Such as: the access of main transformer body thermometer needs
Voltage signal is surveyed, and shows the temperature data value of voltage signal to be measured, when substation carries out main transformer temperature table regular inspection and defect elimination,
Temperature signal detection device is started switch into opening first, voltage signal to be measured is then linked by temperature by signal detection line
The voltage acquisition mouth of signal supervisory instrument is spent, to detect voltage signal to be measured, last voltage data display screen shows to be measured
The voltage value of voltage signal passes through voltage signal temperature data corresponding with the linear relationship of temperature calculating voltage signal to be measured
Value, the temperature data value being calculated is compared with the temperature data value that main transformer body thermometer is shown, if two temperature
Degree data value differs by more than preset error range, then replaces main transformer body thermometer, if two temperature datas are worth difference
In preset error range, then main transformer body thermometer is overhauled.
The access of main transformer body thermometer has current signal to be measured, and shows the temperature data value of current signal to be measured, is becoming
When power station carries out main transformer temperature table regular inspection and defect elimination, current signal to be measured is linked by temperature signal detection by signal detection line
The current acquisition mouth of device is calculated to be measured to detect current signal to be measured by the linear relationship of current signal and temperature
The corresponding temperature data value of current signal, the temperature data that the temperature data value being calculated and main transformer body thermometer are shown
Value is compared, if two temperature data values differ by more than preset error range, replaces main transformer body thermometer, if
Two temperature datas are worth difference in preset error range, then overhaul main transformer body thermometer.
The access of main transformer body thermometer has PT100 platinum resistance signal, and shows the temperature data of PT100 platinum resistance signal
Value, presses shorting switch, and the registration of observation resistance data display screen needs if the registration of resistance data display screen is not 0
Calibrate temperature signal detection device, it is known that until the registration value for pressing shorting switch resistance data display screen is 0；If resistance number
Registration value according to display screen is 0, then PT100 platinum resistance signal can be linked into temperature signal detection device by signal detection line
Electrical resistance collection mouth, to detect the resistance value of PT100 platinum resistance；Phasing meter by inquiring PT100 platinum resistance obtains PT100 platinum
The temperature signal data value of resistance, the temperature data value that the obtained temperature data value of inquiry and main transformer body thermometer are shown into
Row compares, if two temperature data values differ by more than preset error range, replaces main transformer body thermometer, if two
Temperature data is worth difference in preset error range, then overhauls main transformer body thermometer.
Battery electricity when being detected to voltage signal to be measured and current signal to be measured, in temperature signal detection device
It forces down in preset voltage value, battery undervoltage indicator light is shown as amber light, and external charge line is needed to detect temperature signal at this time
Device charges, and charging indicator light is shown in red when charging, and when battery capacity is full of, charging indicator light is shown in green.
The utility model provides a kind of temperature signal detection device, comprising: shell, signal supervisory instrument, battery dress
Set, start switch, signal acquisition interface, display screen and charging interface, signal supervisory instrument, accumulator plant, start switch,
Signal acquisition interface, display screen and charging interface are arranged in shell；Signal supervisory instrument respectively with accumulator plant, starting
Switch, signal acquisition interface and display screen connection；Accumulator plant is connect with charging interface, signal supervisory instrument to voltage,
The temperature of electric current and resistance is detected, and temperature data is obtained, and accumulator plant provides electricity for signal supervisory instrument, display
Screen display temperature displaying function data, which improves the detection efficiency to main transformer body thermometer, user-friendly, brings to user
Good experience.
Embodiment two:
The utility model embodiment provides a kind of temperature signal detection system, as shown in Figure 8, comprising: signal detection line 2,
Charging cable 3 and the temperature signal detection device as described in embodiment one；In signal detection line 2 and temperature signal detection device 1
Signal acquisition interface 14 connect；Charging cable 3 is connect with the charging interface 16 in temperature signal detection device, wherein signal inspection
Survey line is connect with voltage signal to be measured, current signal to be measured and testing resistance signal, voltage signal to be measured and to be measured
Current signal has directionality, only the voltage or current of correct direction is linked into temperature signal detection device, ability
Obtain effective temperature signal.
Temperature signal detection system provided by the embodiment of the utility model is detected with temperature signal provided by the above embodiment
Device technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of temperature signal detection device characterized by comprising shell, signal supervisory instrument, accumulator plant, starting
Switch, signal acquisition interface, display screen and charging interface；
The signal supervisory instrument, the accumulator plant, it is described start switch, the signal acquisition interface, the display screen
And the charging interface is arranged in the shell；
The signal supervisory instrument respectively with the accumulator plant, it is described start switch, the signal acquisition interface and institute
State display screen connection；The accumulator plant is connect with the charging interface；
The signal supervisory instrument detects the temperature of voltage, electric current and resistance, obtains temperature data；The battery
Device provides electricity for the signal supervisory instrument；The display screen shows the temperature data.
2. temperature signal detection device according to claim 1, which is characterized in that the signal supervisory instrument includes: electricity
Press temperature signal detection device, current temperature signal supervisory instrument and resistance temperature signal supervisory instrument.
3. temperature signal detection device according to claim 1, which is characterized in that the accumulator plant is 24V electric power storage
Pond.
4. temperature signal detection device according to claim 1, which is characterized in that the signal acquisition interface includes: electricity
Press signal acquisition interface, current signal acquisition interface and resistance signal acquisition interface.
5. temperature signal detection device according to claim 4, which is characterized in that the voltage signal acquisition interface and
The current signal acquisition interface includes: positive acquisition interface and cathode acquisition interface.
6. temperature signal detection device according to claim 1, which is characterized in that the display screen includes: voltage data
Display screen, current data display screen and resistance data display screen.
7. temperature signal detection device according to claim 1, which is characterized in that the temperature signal detection device is also wrapped
It includes: shorting switch, indicator light, loudspeaker and anti-reverse connection device；
The shorting switch and the anti-reverse connection device are connect with the signal acquisition interface；
The charging interface and the accumulator plant are connect with the indicator light；
The loudspeaker is connect with the anti-reverse connection device.
8. temperature signal detection device according to claim 7, which is characterized in that the indicator light is LED light.
9. temperature signal detection device according to claim 7, which is characterized in that the indicator light includes: battery undervoltage
Indicator light and charging indicator light.
10. a kind of temperature signal detection system characterized by comprising signal detection line, charging cable and such as claim 1-
Temperature signal detection device described in 9；
The signal detection line is connect with the signal acquisition interface in the temperature signal detection device；
The charging cable is connect with the charging interface in the temperature signal detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929466.XU CN209055230U (en) | 2018-11-21 | 2018-11-21 | Temperature signal detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821929466.XU CN209055230U (en) | 2018-11-21 | 2018-11-21 | Temperature signal detection device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055230U true CN209055230U (en) | 2019-07-02 |
Family
ID=67053908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821929466.XU Active CN209055230U (en) | 2018-11-21 | 2018-11-21 | Temperature signal detection device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209055230U (en) |
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2018
- 2018-11-21 CN CN201821929466.XU patent/CN209055230U/en active Active
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