CN209927929U - Power test circuit of electric heating film soldering iron - Google Patents
Power test circuit of electric heating film soldering iron Download PDFInfo
- Publication number
- CN209927929U CN209927929U CN201920224650.2U CN201920224650U CN209927929U CN 209927929 U CN209927929 U CN 209927929U CN 201920224650 U CN201920224650 U CN 201920224650U CN 209927929 U CN209927929 U CN 209927929U
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- Prior art keywords
- circuit
- chip microcomputer
- single chip
- power test
- input signals
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- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 5
- 238000005485 electric heating Methods 0.000 title claims description 4
- 238000005476 soldering Methods 0.000 title description 2
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- Measurement Of Current Or Voltage (AREA)
Abstract
A power test circuit of an electrothermal film iron comprises a single chip microcomputer, a constant current source circuit, a standard resistor, a multi-way switch, a signal amplification circuit and a filter circuit, wherein the constant current source circuit outputs current signals to an electrothermal film element and the standard resistor to generate zero standard input signals, the zero standard input signals are transmitted to the signal amplification circuit through the multi-way switch, the filter circuit is electrically connected with the single chip microcomputer, and the zero standard input signals are transmitted to the single chip microcomputer through the filter circuit after being amplified. The utility model discloses the structure can carry out simple swift accurate test, satisfies different industrial production demands.
Description
Technical Field
The utility model relates to a functional circuit technical field, specific power test circuit of electric heat membrane flatiron that says so.
Background
The electrothermal film heating technology is a major breakthrough in the field of electric heating, is novel energy-saving and environment-friendly, can greatly improve the heat efficiency by adopting the electrothermal film heating technology, and achieves the obvious energy-saving effect. The electric heat membrane product function model at present is numerous, differs to the heating efficiency standard, in the production use, need test, stepping to electric heat membrane component to produce the design according to the power ratio, so carry out simple swift accurate test demand higher at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide one kind and can carry out simple swift accurate test, satisfy the power test circuit of the electric heat membrane flatiron of different industrial production demands.
The purpose of the utility model is realized like this: a power test circuit of an electrothermal film iron comprises a single chip microcomputer, a constant current source circuit, a standard resistor, a multi-way switch, a signal amplification circuit and a filter circuit, wherein the constant current source circuit outputs current signals to an electrothermal film element and the standard resistor to generate zero standard input signals, the zero standard input signals are transmitted to the signal amplification circuit through the multi-way switch, the filter circuit is electrically connected with the single chip microcomputer, and the zero standard input signals are transmitted to the single chip microcomputer through the filter circuit after being amplified.
The utility model has the advantages that: the circuit has the advantages of simple structure, convenient use, high measurement precision, wide application range, convenience for production, development, testing, grading, screening and the like in the using process, strong adaptation, and capability of being used for other tests after being changed a little.
Drawings
Fig. 1 is a schematic diagram of the circuit structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model relates to a power test circuit of electric heat membrane flatiron, including the singlechip, constant current source circuit, standard resistance, multi-way switch, signal amplification circuit, filter circuit, constant current source circuit output current signal produces zero standard input signal behind electric heat membrane element and standard resistance to through multi-way switch transmission to signal amplification circuit, filter circuit with the monolithic is electromechanical is connected, zero standard input signal conveys to the singlechip through filter circuit after enlarging.
Wherein, the type of the singlechip8098, the singlechip controls K0, K1 and K2 of a multi-way switch CD5051 to be opened and closed. The constant current source circuit outputs 10mA current, the mV level voltages V0, V1 and V2 generated after the current passes through a tested element Rx and a 20-European standard resistor are zero point standard input signals, V0, V1 and V2 are respectively transmitted into the signal amplifying circuit, and are filtered by the filter circuit to be used in an A/D mode inside the 8098 single chip microcomputer. After the sampling values of the three paths of input signals are subjected to median digital filtering, the Rx of the tested element is calculated to be
Further, the power is
The utility model discloses circuit design simple structure, convenient to use, measurement accuracy is high, and application scope is wider, and test, stepping, screening etc. in the production of being convenient for, development, use, the adaptation type is stronger, and a small amount of changes can be used for other tests.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present application and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this type are intended to be covered by the present invention.
Claims (1)
1. A power test circuit of an electric heating film iron comprises a single chip microcomputer, a constant current source circuit, a standard resistor, a multi-way switch, a signal amplification circuit and a filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224650.2U CN209927929U (en) | 2019-02-22 | 2019-02-22 | Power test circuit of electric heating film soldering iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224650.2U CN209927929U (en) | 2019-02-22 | 2019-02-22 | Power test circuit of electric heating film soldering iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209927929U true CN209927929U (en) | 2020-01-10 |
Family
ID=69067813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224650.2U Expired - Fee Related CN209927929U (en) | 2019-02-22 | 2019-02-22 | Power test circuit of electric heating film soldering iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209927929U (en) |
-
2019
- 2019-02-22 CN CN201920224650.2U patent/CN209927929U/en not_active Expired - Fee Related
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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: 20200110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |