CN2665688Y - Electroheat energy measuring instrument - Google Patents
Electroheat energy measuring instrument Download PDFInfo
- Publication number
- CN2665688Y CN2665688Y CN 200320119930 CN200320119930U CN2665688Y CN 2665688 Y CN2665688 Y CN 2665688Y CN 200320119930 CN200320119930 CN 200320119930 CN 200320119930 U CN200320119930 U CN 200320119930U CN 2665688 Y CN2665688 Y CN 2665688Y
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- CN
- China
- Prior art keywords
- heat
- electric heating
- lid
- container
- tubular electric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
An electro-thermal energy measurement meter relates to a heat measurement apparatus, in particular to an apparatus which can measure the electric-heat energy conversion efficiency of a tubular electric heater. The apparatus is characterized in that an experimental desk whose center has a heat preservation 1000ml vessel is adopted; an agitator, a temperature measuring thermocouple and a tubular electric heater are arranged at the vessel. The thermocouple is connected with the temperature display and the host of a computer; the pipe electric heater is connected with a time relay; an electric power meter is connected with a voltage stabilization apparatus. A special floppy disk for electric-heat energy conversion efficiency calculation is used in the host of the computer. The beneficial effect of using the electro-thermal energy measurement meter is that in one unit time, the increased value of the water temperature is input to the computer after the tubular heater works in one liter water; the computer deals with the data of temperature, time, thermal energy and so on, and print out the electro-thermal energy conversion efficiency through a printer.
Description
Technical field:
The utility model relates to a kind of calorimetric determination device, particularly a kind of device of measuring the electricity-thermal energy conversion efficiency of tubular electric heating.
Background technology:
The heat energy that the time is sent in work with tubular electric heating calculates the device of the electricity-thermal conversion efficiency of electric heater and does not see as yet on market.To the retrieval of relevant document, do not see the technical report that is close with the present invention yet.
Summary of the invention:
Electrical heat energy quantitative determination instrument is to adopt a center to be provided with the laboratory table of circular hole, is provided with a heat-preservation cylinder in the circular hole of desk, and the container of one 1000 milliliters tool insulation cover is set in heat-preservation cylinder.Side at lid is provided with a stirring motor, and its paddle inserts in the container by the O-ring seal that covers; Establish the thermopair of a thermometric again at the opposite side of lid, make the O-ring seal of thermopair, the lower end of thermopair is inserted to the nearly bottom of container by covering; Be provided with the fixed mount of tubular electric heating above the center of lid, this tubular electric heating can make its lower end be inserted to the nearly bottom of container after by the sealing shroud that covers.
Other establishes a robot calculator of being furnished with printer, and the main frame of robot calculator is connected with power regulator device.
The connecting line of thermopair is connected with temperature indicator earlier, again temperature indicator is connected with the main frame of robot calculator;
The lead of tubular electric heating is connected with the time relay earlier, and the time relay is connected with the electrodymamometer measuring device, at last the electrodymamometer measuring device is connected with power regulator device.
In the robot calculator main frame, use the calculating floppy disk of special-purpose electricity-thermal conversion efficiency, can handle data such as temperature-time, thermal energy, and automatically result be printed by printer.
Calculating the computing formula of stipulating in the floppy disk is:
Heat Calculation:
Q
Heat=(T
1-T
0) * 1Kcal
In the formula: Q
Heat-heat (kilocalorie);
T
1The working temperature of-water (finishing temperature value);
T
0The initial temperature of-water.
The Efficiency Calculation formula:
In the formula: Q
1The actual measurement heat of-work 1KWhr;
Q
2-theoretical heat (1KWhr is 860Kcal);
The n-thermal efficiency.
During use, add 1000.00 milliliters distilled water in container, insert tubular heater in the Sealed casing pipe of container cover center, and tubular electric heating is fixed on the fixed mount, this moment, the lower end of tubular electric heating was tried one's best near container bottom.Power-on starts whole electrical installations and measurement instrument.By the heat that electric heater sends, this heat enters in the water by the heat-absorbing action of WATER AS FLOW MEDIUM, cuts off the electricity supply after the time at working unit, and reads the finishing temperature numeral of temperature instrumentation.The finishing temperature numeral is deducted the initial water temperature digital, can obtain the lift-off value of water temperature, appraise and decide electric power and working unit time, the input computing machine can calculate the electricity-thermal energy conversion efficiency of tubular electric heating.
Device of the present utility model is according to the physical characteristics of water to heat absorption, promptly under an atmospheric pressure, water with 1000.00 milliliters, being increased to 15.5 ℃ of needed heats from 14.5 ℃ is 1 kilocalorie, simultaneously, the parameter of electric heating conversion is: 1 kilowatt-hour the heat that electric energy sent is 860 kilocalories.According to these two known conditions, just can measure the thermal value and the heating efficiency of tubular electric heating.
Adopting the beneficial effect of electrical heat energy quantitative determination instrument is with in the unit interval.The water temperature lift-off value that tubular heater is worked in 1 premium on currency is input in the robot calculator, by robot calculator data such as temperature, time, thermal energy are handled, and got the electricity-thermal energy conversion efficiency of the tubular electric heating that calculates gained by printer.
Description of drawings:
Accompanying drawing 1 is the structural representation of electrical heat energy quantitative determination instrument;
Accompanying drawing 2 is water temperatures of electrical heat energy quantitative determination instrument, the circuit diagram of electric power measurement device.
Embodiment:
Electrical heat energy quantitative determination instrument is to adopt a center to be provided with the laboratory table 1 of a circular hole, is provided with a heat-preservation cylinder 2 in the circular hole position of desk 1, and the container 3 of one 1000 milliliters tool insulation cover 17 is set in heat-preservation cylinder 2.Side at lid 17 is provided with a stirring motor 7, and its paddle inserts in the container by the O-ring seal that covers on 17; Establish the thermopair 4 of a thermometric again at lid 17 opposite side, make thermopair 4, the lower end of thermopair 4 is inserted to the nearly bottom of container 3 by covering the O-ring seal on 17; Be provided with the fixed mount 6 of tubular electric heating 5 above the center of lid 17, this tubular electric heating 5 can make its lower end be inserted to the nearly bottom of container 3 by after covering the sealing shroud 16 on 17.
Other establishes a robot calculator of being furnished with printer 11, and the main frame 8 of robot calculator is connected with power regulator device 14.Computer screen 10, keyboard 9, printer 11, main frame 8 connect in the usual way.
The connecting line of thermopair 4 is connected with temperature indicator 15 earlier, again temperature indicator 15 is connected with the main frame 8 of robot calculator;
The lead of tubular electric heating 5 is connected with the time relay 13 earlier, and the time relay 13 is connected with electrodymamometer measuring device 12, at last electrodymamometer measuring device 12 is connected with power regulator device 14.
In robot calculator main frame 8, use the calculating floppy disk of special-purpose electricity-thermal conversion efficiency, can handle data such as temperature-time, thermal energy, and automatically result be printed by printer 11.
Calculating the computing formula of stipulating in the floppy disk is:
Heat Calculation:
Q
Heat=(T
1-T
0) * 1Kcal
In the formula: Q
Heat-heat (kilocalorie);
T
1The working temperature of-water (finishing temperature value);
T
0The initial temperature of-water;
The Efficiency Calculation formula:
In the formula: Q
1The actual measurement heat of-work 1KWhr;
Q
2-theoretical heat (1KWhr is 860Kcal);
The n-thermal efficiency.
If the calculating that do not use a computer, also can will calculate in the experimental data substitution formula and try to achieve electricity-thermal conversion efficiency.
During use, the distilled water that in container 3, adds 1000.00 milliliters, insert tubular heater 5 in the sealing shroud 16 of container cover 17 centers, and tubular electric heating 5 is fixed on the fixed mount 6, this moment, the lower end of tubular electric heating 5 was tried one's best near container 3 bottoms.Power-on starts whole electrical installations and measurement instrument.By the heat that tubular electric heating 5 sends, this heat enters in the water by the heat-absorbing action of WATER AS FLOW MEDIUM, cuts off the electricity supply after the time at working unit, and reads the finishing temperature numeral of temperature instrumentation 15.The finishing temperature numeral is deducted the initial water temperature digital, can obtain the lift-off value of water temperature, appraise and decide electric power and working unit time, the input computing machine can calculate the electricity-thermal energy conversion efficiency of tubular electric heating.
Claims (2)
1, electrical heat energy quantitative determination instrument is made up of tubular electric heating working temperature measurement mechanism, electric apparatus control apparatus, it is characterized in that adopting a center to have the laboratory table of circular hole (1), in the circular hole of desk (1), be provided with a heat-preservation cylinder (2), the container (3) of one 1000 milliliters tool insulation cover (17) is set in heat-preservation cylinder (2); Side at lid (17) is provided with a stirring motor (7), and its paddle inserts in the container (3) by the O-ring seal on the lid (17); Establish the thermopair (4) of a thermometric again at the opposite side of lid (17), make thermopair (4), the lower end of thermopair (4) is inserted to the nearly bottom of container (3) by the O-ring seal on the lid (17); Be provided with the fixed mount (6) of tubular electric heating (5) in the top, center of lid (17), this tubular electric heating (5) makes its lower end be inserted to the nearly bottom of container (3) by after covering the sealing shroud (16) on (17);
The connecting line of thermopair (4) is connected with temperature indicator (15) earlier, again temperature indicator (15) is connected with the main frame (8) of robot calculator;
The lead of tubular electric heating (5) is connected with the time relay (13) earlier, and the time relay (13) is connected with electrodymamometer measuring device (12), at last electrodymamometer measuring device (12) is connected with power regulator device (14).
2. electrical heat energy quantitative determination instrument according to claim 1, it is characterized in that electrical heat energy quantitative determination instrument adapted robot calculator and printer (8) (9) (10) (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119930 CN2665688Y (en) | 2003-11-26 | 2003-11-26 | Electroheat energy measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320119930 CN2665688Y (en) | 2003-11-26 | 2003-11-26 | Electroheat energy measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2665688Y true CN2665688Y (en) | 2004-12-22 |
Family
ID=34347813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320119930 Expired - Fee Related CN2665688Y (en) | 2003-11-26 | 2003-11-26 | Electroheat energy measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2665688Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375702A (en) * | 2017-12-01 | 2018-08-07 | 国网北京市电力公司 | The monitoring method and device of electric heating equipment |
-
2003
- 2003-11-26 CN CN 200320119930 patent/CN2665688Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375702A (en) * | 2017-12-01 | 2018-08-07 | 国网北京市电力公司 | The monitoring method and device of electric heating equipment |
| CN108375702B (en) * | 2017-12-01 | 2021-05-07 | 国网北京市电力公司 | Monitoring method and device for electric heating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |