CN2660767Y - Intelligence damp-proof heating band for dynamo - Google Patents
Intelligence damp-proof heating band for dynamo Download PDFInfo
- Publication number
- CN2660767Y CN2660767Y CN 03213163 CN03213163U CN2660767Y CN 2660767 Y CN2660767 Y CN 2660767Y CN 03213163 CN03213163 CN 03213163 CN 03213163 U CN03213163 U CN 03213163U CN 2660767 Y CN2660767 Y CN 2660767Y
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- CN
- China
- Prior art keywords
- motor
- circuit
- electronic control
- control circuit
- heating tape
- 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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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to motor heating moisture-proof technology. The main technological characteristic of the technic proposal is that the front end of the electrical heating belt is provided with an electronic control circuit. The electronic control circuit detects environment humidity inside and outside of the motor by resistance humidity sensor and controls the heating work of the electrical heating belt with electrical signal transmitted from the resistance humidity sensor. The technology can accurately and automatically start up and break off the work of the electrical heating belt in a timely manner according to the humidity condition of the motor, effectively ensuring the dry state inside and outside of the motor and avoiding waste of electrical resource as well as omission of supervision and management.
Description
Technical field
The utility model relates to and be used for the motor protection against the tide, it kept dry state and a kind of motor heating moisture-catcher that is provided with.
Background technology
The motor internal and external environment keeps dry, and just can guarantee the safe and reliable of its work.Especially for preventing that the motor internal ambient humidity from exceeding standard, most motor users can be chosen in the dry method of heating tape of electric motor winding end setting, so that guarantee the drying of motor environment by heating drying method, so motor heating tape product just becomes most motor user's first-selection.But motor internal humidity conditions, promptly whether make moist, situation such as dewfall all can't be known, entirely by rule of thumb or conjecture, when it works and does not have specific aim, can cause the electric resources waste on the one hand, the heating of in time not drying on the other hand is difficult to provide safeguard for motor safety work.Technology is also still imperfect so the prior motor heating is dried.
Summary of the invention
The purpose that can depend on the humidity situation of motor internal and external environment for the heating starting operation that realizes the motor heating tape and outage shutoff operation, the utility model provides a kind of motor heating tape to start or shutoff operation depends on the motor internal humidity conditions fully, realize the technical scheme of the moistureproof heating tape of intelligent motor of automatic work in good time, the major technique content of this technology is: this heating tape includes the ribbon heater that is arranged on the motor, electronic control circuit with this ribbon heater front end, wherein electronic control circuit includes as the dividing potential drop amplifying circuit of the resistance-type humidity sensor of divider resistance and the switch driving circuit of dividing potential drop amplification circuit output end and constitutes, and the switch driving circuit drive output connects the ribbon heater.The said motor of the technical program ribbon heater be by electric resistance silk and the mutual Cross Trade of non-conductive fibre around and outside it, be with a kind of strip-shaped parts that insulation heat-resisting protective cover constitutes.
The humidity situation of motor environment is detected in the moistureproof heating tape of intelligent motor of the present utility model by the humidity sensor in its electronic control circuit, and be converted to the controlled signal of telecommunication, whether switch on by the switching signal decision electric resistance silk of its control switch drive circuit and heat the work of drying.Present technique has changed original motor heating tape needs the state of the art of people for supervision and management, can start automatically or the heating work of automatic disconnection ribbon heater according to motor self humidity situation exactly in good time, both guaranteed effectively can remain drying inside and outside the motor, can avoid the waste of electric resources and the careless omission of manual oversight management again.
Description of drawings
Fig. 1, Fig. 2 are respectively two circuit bank precedent block diagrams of the utility model technology.
Embodiment
As shown in the figure, the major part of the moistureproof heating tape of intelligent motor of the present utility model is resistance wire ribbon heater 1, the resistance wire of this ribbon heater electrically connects to hold to be provided with and is used to detect the motor ambient humidity, realize the electronic control circuit 2 of resistance wire work control, the detection sensing element that is used for motor humidity situation wherein is a resistance-type humidity sensor 21, the variable characteristic that present technique utilizes the resistance of resistance-type humidity sensor to change with humidity, it is provided as a divider resistance of dividing potential drop amplifying circuit 22, variation voltage signal by its output amplifies output through the amplifier unit of amplifying circuit 22, driving is connected in the switch driving circuit 23 of dividing potential drop amplifying circuit 22 outputs, the resistance wire that is cut-off signal of telecommunication control ribbon heater 1 by 23 outputs of this switch driving circuit electrically connects, and determines its whether heating work.The amplifier unit of its dividing potential drop amplifying circuit 22 can be triode, is preferably triode or controllable silicon with switch performance, and for guaranteeing the reliability of switch driving circuit 23 work, driving tube wherein is preferably controllable silicon.
In the present technique, if electronic control circuit directly is power supply with the line voltage, the power circuit 26 that the front end of this electronic control circuit is provided with is the power supply half-wave rectifying circuit, for avoiding deriving from of the harmful effect of various interference signals such as electrical network, be provided with photoelectrical coupler 24 between dividing potential drop amplifying circuit 22 and the switch driving circuit 23 to electronic control circuit 2.For the real operating state that shows the heating tape, the output of dividing potential drop amplifying circuit 22 also is connected with warning circuits 25 such as voice, can be provided with photoelectrical coupler 27 equally between this warning circuit 25 and the dividing potential drop amplifying circuit 22.For making electronic control circuit 2 and heating wire parts 1 can constitute complete integral body, this electronic control circuit is made the small and exquisite thick film circuit of volume, is fixedly set in the end that electrically connects of heating wire.
Claims (5)
1, the moistureproof heating tape of a kind of intelligent motor, it includes motor ribbon heater (1), it is characterized in that it also includes the electronic control circuit (2) that is arranged at motor ribbon heater front end, this electronic control circuit includes by the dividing potential drop amplifying circuit (22) of resistance-type humidity sensor (21) as divider resistance, constitute with the switch driving circuit (23) of dividing potential drop amplification circuit output end, the switch driving circuit drive output connects the ribbon heater.
2, the moistureproof heating tape of intelligence according to claim 1 is characterized in that the front end of electronic control circuit (2) is provided with the power supply half-wave rectifying circuit that is used for by mains supply.
3, the moistureproof heating tape of intelligence according to claim 1 is characterized in that being provided with photoelectrical coupler (24) between dividing potential drop amplifying circuit (22) and the switch driving circuit (23).
4, the moistureproof heating tape of intelligence according to claim 1 is characterized in that the output of dividing potential drop amplifying circuit (22) is connected with warning circuit (25).
5, the moistureproof heating tape of intelligence according to claim 1 is characterized in that electronic control circuit (2) makes the fixedly connected end that electrically connects that is arranged at heating wire (1) of thick film circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213163 CN2660767Y (en) | 2003-05-16 | 2003-05-16 | Intelligence damp-proof heating band for dynamo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213163 CN2660767Y (en) | 2003-05-16 | 2003-05-16 | Intelligence damp-proof heating band for dynamo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2660767Y true CN2660767Y (en) | 2004-12-01 |
Family
ID=34325620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03213163 Expired - Fee Related CN2660767Y (en) | 2003-05-16 | 2003-05-16 | Intelligence damp-proof heating band for dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2660767Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103172A (en) * | 2009-12-18 | 2011-06-22 | 鸿富锦精密工业（深圳）有限公司 | Heat failure debugging system and temperature control device thereof |
-
2003
- 2003-05-16 CN CN 03213163 patent/CN2660767Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103172A (en) * | 2009-12-18 | 2011-06-22 | 鸿富锦精密工业（深圳）有限公司 | Heat failure debugging system and temperature control device thereof |
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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 |