CN203069293U - Circuit for testing temperature rise of steel sheet resistor - Google Patents
Circuit for testing temperature rise of steel sheet resistor Download PDFInfo
- Publication number
- CN203069293U CN203069293U CN201220628850.2U CN201220628850U CN203069293U CN 203069293 U CN203069293 U CN 203069293U CN 201220628850 U CN201220628850 U CN 201220628850U CN 203069293 U CN203069293 U CN 203069293U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- temperature rise
- sheet resistor
- circuit
- resistance
- Prior art date
- 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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- Measurement Of Resistance Or Impedance (AREA)
Abstract
A circuit for testing the temperature rise of a steel sheet resistor is characterized by comprising a voltage regulating transformer, a steel sheet resistor, a capacitor and an alternating-current power supply, wherein the alternating-current power supply, the steel sheet resistor and the capacitor are connected in series, and the capacitor and the alternating-current power supply are grounded. According to the utility model, related parameters of a resistance testing circuit of the steel sheet resistor are adjusted to make rated current flow through the resistor, temperature values displayed at a temperature test point are read at moments of equal intervals, then ambient temperature values at these moments are read, and thus a temperature rise curve of the steel sheet resistor can be converted and drawn.
Description
Technical field
The utility model relates to a kind of hot resistance test and temperature rise test platform of steel disc resistance
Technical background
Existing steel disc method for testing resistance is too simple, can not simulate the situation of change of temperature rise when the current transformer operate as normal, thus the performance can't consider steel disc resistance and be applied in current transformer the time.
The utility model content
The utility model purpose is to provide a kind of circuit of temperature rise of tested steel sheet resistance, the operating mode when this circuit can be simulated the current transformer operate as normal, the parameter when testing out the temperature rise of steel disc resistance when current transformer is worked exactly.
Technical solutions of the utility model: a kind of circuit of temperature rise of tested steel sheet resistance is characterized in that comprising adjustable transformer, steel disc resistance, electric capacity, AC power, described AC power, steel disc resistance, capacitances in series; Wherein electric capacity and AC power ground connection.
Advantage of the present utility model: the correlation parameter of the resistance test circuit by regulating steel disc resistance, make resistance flow through rated current, and in the equally spaced time, read temperature test point temperature displayed value, and read environment temperature at that time again, just can convert and draw out the temperature rise curve of steel disc resistance.
Description of drawings
Fig. 1 is fundamental diagram of the present utility model
Embodiment
A kind of circuit of temperature rise of tested steel sheet resistance is characterized in that comprising adjustable transformer T, steel disc resistance R, capacitor C, AC power AC, described AC power AC, steel disc resistance R, capacitor C series connection; Wherein capacitor C and AC power AC ground connection.
Advantage of the present utility model: the correlation parameter of the resistance test circuit by regulating steel disc resistance, make resistance flow through rated current, and in the equally spaced time, read temperature test point temperature displayed value, and read environment temperature at that time again, just can convert and draw out the temperature rise curve of steel disc resistance.
Claims (1)
1. the circuit of the temperature rise of a tested steel sheet resistance is characterized in that comprising adjustable transformer, steel disc resistance, electric capacity, AC power, described AC power, steel disc resistance, capacitances in series; Wherein electric capacity and AC power ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220628850.2U CN203069293U (en) | 2012-11-26 | 2012-11-26 | Circuit for testing temperature rise of steel sheet resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220628850.2U CN203069293U (en) | 2012-11-26 | 2012-11-26 | Circuit for testing temperature rise of steel sheet resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069293U true CN203069293U (en) | 2013-07-17 |
Family
ID=48768069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220628850.2U Expired - Fee Related CN203069293U (en) | 2012-11-26 | 2012-11-26 | Circuit for testing temperature rise of steel sheet resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069293U (en) |
-
2012
- 2012-11-26 CN CN201220628850.2U patent/CN203069293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20151126 |