CN201403042Y - Electrodeless control circuit of blower with direct current source charging module of high frequency switch - Google Patents
Electrodeless control circuit of blower with direct current source charging module of high frequency switch Download PDFInfo
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- CN201403042Y CN201403042Y CN2009200885029U CN200920088502U CN201403042Y CN 201403042 Y CN201403042 Y CN 201403042Y CN 2009200885029 U CN2009200885029 U CN 2009200885029U CN 200920088502 U CN200920088502 U CN 200920088502U CN 201403042 Y CN201403042 Y CN 201403042Y
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Abstract
The utility model relates to an electrodeless control circuit of a blower with a direct current source charging module of a high frequency switch used in a direct current source system of the power industry, which comprises a control power supply circuit. A temperature control and sensor short circuit proof circuit and a temperature sensor open circuit protective circuit are connected with an input end of the blower and a drive circuit, a control power supply circuit is connected with the input end of the temperature control and sensor short circuit proof circuit, and an output end of the temperature control and sensor short circuit proof circuit is connected with the input end of the temperature sensor open circuit protective circuit, thereby effectively controlling the rotational speed of the blower with an air-cooled high frequency switch and the direct current source charging module in an electric power direct-current system, carrying out the electrodeless control along with the temperature variation, and having no contact point and no mutation work. The electrodeless control circuit has the advantages of effectively lowering the failure rate of the direct current source charging module of the high frequency switch, prolonging the service life thereof, reducing the noise pollution of the electric power direct-current system, and raising the current supply reliability of thereof.
Description
Technical field
The utility model relates to a kind of stepless control circuit of high-frequency switch DC power charging module blower fan that uses in the DC power system of power industry.
Background technology
At present, in the DC power system of power industry, the high-frequency switch DC power charging module that is used to charge a battery can be divided into from cold-peace air-cooled by the radiating mode branch usually.Wind-cooling type divides non-control type and temperature control type again.Non-control type is in the full speed operation state always when power module powers up work, exist noise big, the defective that fan life is short; The at present general serviceability temperature relay control of temperature control type, under design temperature, blower fan does not change, when temperature is high, the blower fan full-speed operation.By the fan starting pattern of temperature relay control, at the scene in the use, when the high startup temperature of blower fan and low temperature stopped, noise changed too obvious, makes the user that one a frightened uncomfortable sensation that spreads be arranged.And temperature relay is a mechanical structure, has the defective that its life-span of frequent movement is short, failure rate is high of contact.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and the stepless control circuit of high-frequency switch DC power charging module blower fan that a kind of fan operation of stepless control high-frequency switch DC power charging module is provided, because generally speaking, ambient temperature can not reach the high ambient temperature of charging module permission work, and charging module generally can full-load run yet, so, the working temperature of charging module inside does not generally reach maximum operating temperature yet, and blower fan does not reach maximum speed yet.Actual conditions are, the blower fan of charging module always is in the low cruise state, and winter even be in stop state, noise is low, the life-span is long, and the operator on duty feels good.Owing to adopted contactless control, the fault rate is extremely low.
The purpose of this utility model is achieved in that and comprises the control power circuit; it is characterized in that: on the input of blower fan and drive circuit, connect temperature control and short circuit sensor protective circuit, temperature sensor open loop protection circuit; input in temperature control and short circuit sensor protective circuit is connected with the control power circuit, and temperature control and short circuit sensor protective circuit output are connected with the input of temperature sensor open loop protection circuit.
The annexation of control power circuit is: introduce 1 pin that connects capacitor C 1 and the positive pole of capacitor C 2 by working power+12 terminals, 2 pin of capacitor C 1 and the leading-in terminal of GND after the negative pole of capacitor C 2 is connected with connecing working power.
The annexation of temperature control and short circuit sensor protective circuit is: 1 pin of resistance R 15 with connect working power+12 after 1 pin of resistance R 13 is connected; 1 pin of connecting resistance R5 after 2 pin of resistance R 15 are connected with 1 pin of resistance R 14; 1 pin of connecting resistance R4 after 2 pin of resistance R 13 are connected with 1 pin of temperature sensor RT; 2 pin of resistance R 14 with meet working power ground GND after 2 pin of temperature sensor RT are connected; 8 pin of 358 operational amplifier U1_A connect working power+12; 4 pin of 358 operational amplifier U1_A meet working power ground GND; 2 pin of the 3 pin connecting resistance R5 of 358 operational amplifier U1_A; be connected with 2 pin of resistance R 41 pin of back connecting resistance R3 of 2 pin of 358 operational amplifier U1_A, 1 pin of 358 operational amplifier U1_A and 1 pin that meets diode D1 after 2 pin of resistance R 3 are connected.
The annexation of temperature sensor open loop protection circuit is: 1 pin of resistance R 1 connects working power+12; be connected respectively 1 pin of back connecting resistance R5 of 1 pin of resistance R 2 and 1 pin of 2 pin of resistance R 15, resistance R 14; be connected respectively 1 pin of back connecting resistance R4 of 5 pin of 358 operational amplifier U1_B and 1 pin of 2 pin of resistance R 13, temperature sensor RT; 2 pin of connecting resistance R2 after 6 pin of 358 operational amplifier U1_B are connected with 2 pin of connecting resistance R1,7 pin of 358 operational amplifier U1_B connect 1 pin of diode D2.The annexation of blower fan and drive circuit is: 2 pin of diode D1 and the b utmost point that meets triode N5 after 2 pin of diode D2 are connected, the c utmost point of triode N5 connects working power+12, the give a dinner for a visitor from afar positive pole of machine M2 of the e utmost point of triode N5, the negative pole of blower fan M2 meets working power ground GND.
The stepless control circuit of high-frequency switch DC power charging module blower fan is controlled the rotation speed of fan of electric power DC system Wind-cooling type high-frequency switch DC power charging module effectively, and varies with temperature and carry out stepless control, contactless, no sudden change work.The utlity model has the failure rate that can reduce electric power DC system Wind-cooling type high-frequency switch DC power charging module effectively, improved the useful life of Wind-cooling type high-frequency switch DC power charging module, reduce the noise pollution of electric power DC system, improved the advantages such as reliability of electric power DC system power supply.
Description of drawings
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is a schematic diagram of the present utility model.
Embodiment
As shown in Figure 1; the utility model comprises the control power circuit; it is characterized in that: on the input of blower fan and drive circuit, connect temperature control and short circuit sensor protective circuit, temperature sensor open loop protection circuit; input in temperature control and short circuit sensor protective circuit is connected with the control power circuit, and temperature control and short circuit sensor protective circuit output are connected with the input of temperature sensor open loop protection circuit.
As shown in Figure 2, the annexation of control power circuit is: introduce 1 pin that connects capacitor C 1 and the positive pole of capacitor C 2 by working power+12 terminals, 2 pin of capacitor C 1 and the leading-in terminal of GND after the negative pole of capacitor C 2 is connected with connecing working power.
As shown in Figure 2; the annexation of temperature control and short circuit sensor protective circuit is: 1 pin of resistance R 15 with connect working power+12 after 1 pin of resistance R 13 is connected; 1 pin of connecting resistance R5 after 2 pin of resistance R 15 are connected with 1 pin of resistance R 14; 1 pin of connecting resistance R4 after 2 pin of resistance R 13 are connected with 1 pin of temperature sensor RT; 2 pin of resistance R 14 with meet working power ground GND after 2 pin of temperature sensor RT are connected; 8 pin of 358 operational amplifier U1_A connect working power+12; 4 pin of 358 operational amplifier U1_A meet working power ground GND; 2 pin of the 3 pin connecting resistance R5 of 358 operational amplifier U1_A; be connected with 2 pin of resistance R 41 pin of back connecting resistance R3 of 2 pin of 358 operational amplifier U1_A, 1 pin of 358 operational amplifier U1_A and 1 pin that meets diode D1 after 2 pin of resistance R 3 are connected.
As shown in Figure 2; the annexation of temperature sensor open loop protection circuit is: 1 pin of resistance R 1 connects working power+12; be connected respectively 1 pin of back connecting resistance R5 of 1 pin of resistance R 2 and 1 pin of 2 pin of resistance R 15, resistance R 14; be connected respectively 1 pin of back connecting resistance R4 of 5 pin of 358 operational amplifier U1_B and 1 pin of 2 pin of resistance R 13, temperature sensor RT; 2 pin of connecting resistance R2 after 6 pin of 358 operational amplifier U1_B are connected with 2 pin of connecting resistance R1,7 pin of 358 operational amplifier U1_B connect 1 pin of diode D2.
As shown in Figure 2, the annexation of blower fan and drive circuit is: 2 pin of diode D1 and the b utmost point that meets triode N5 after 2 pin of diode D2 are connected, the c utmost point of triode N5 connects working power+12, the give a dinner for a visitor from afar positive pole of machine M2 of the e utmost point of triode N5, and the negative pole of blower fan M2 meets working power ground GND.
Claims (5)
1, a kind of stepless control circuit of high-frequency switch DC power charging module blower fan in the DC power system of power industry; comprise the control power circuit; it is characterized in that: on the input of blower fan and drive circuit, connect temperature control and short circuit sensor protective circuit, temperature sensor open loop protection circuit; input in temperature control and short circuit sensor protective circuit is connected with the control power circuit, and temperature control and short circuit sensor protective circuit output are connected with the input of temperature sensor open loop protection circuit.
2, the stepless control circuit of high-frequency switch DC power charging module blower fan according to claim 1, it is characterized in that: the annexation of control power circuit is: introduce 1 pin that connects capacitor C 1 and the positive pole of capacitor C 2 by working power+12 terminals, 2 pin of capacitor C 1 and the leading-in terminal of GND after the negative pole of capacitor C 2 is connected with connecing working power.
3; the stepless control circuit of high-frequency switch DC power charging module blower fan according to claim 1; it is characterized in that: the annexation of temperature control and short circuit sensor protective circuit is: 1 pin of resistance R 15 with connect working power+12 after 1 pin of resistance R 13 is connected; 1 pin of connecting resistance R5 after 2 pin of resistance R 15 are connected with 1 pin of resistance R 14; 1 pin of connecting resistance R4 after 2 pin of resistance R 13 are connected with 1 pin of temperature sensor RT; 2 pin of resistance R 14 with meet working power ground GND after 2 pin of temperature sensor RT are connected; 8 pin of 358 operational amplifier U1A connect working power+12; 4 pin of 358 operational amplifier U1A meet working power ground GND; 2 pin of the 3 pin connecting resistance R5 of 358 operational amplifier U1A; be connected with 2 pin of resistance R 41 pin of back connecting resistance R3 of 2 pin of 358 operational amplifier U1A, 1 pin of 358 operational amplifier U1A and 1 pin that meets diode D1 after 2 pin of resistance R 3 are connected.
4; the stepless control circuit of high-frequency switch DC power charging module blower fan according to claim 1; it is characterized in that: the annexation of temperature sensor open loop protection circuit is: 1 pin of resistance R 1 connects working power+12; 1 pin of resistance R 2 and 2 pin of resistance R 15; 1 pin of connecting resistance R5 after 1 pin of resistance R 14 is connected respectively; 5 pin of 358 operational amplifier U1B and 2 pin of resistance R 13; 1 pin of connecting resistance R4 after 1 pin of temperature sensor RT is connected respectively; 2 pin of connecting resistance R2 after 6 pin of 358 operational amplifier U1B are connected with 2 pin of connecting resistance R1,7 pin of 358 operational amplifier U1B connect 1 pin of diode D2.
5, the stepless control circuit of high-frequency switch DC power charging module blower fan according to claim 1, it is characterized in that: the annexation of blower fan and drive circuit is: 2 pin of diode D1 and the b utmost point that meets triode N5 after 2 pin of diode D2 are connected, the c utmost point of triode N5 connects working power+12, the give a dinner for a visitor from afar positive pole of machine M2 of the e utmost point of triode N5, the negative pole of blower fan M2 meets working power ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200885029U CN201403042Y (en) | 2009-02-13 | 2009-02-13 | Electrodeless control circuit of blower with direct current source charging module of high frequency switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200885029U CN201403042Y (en) | 2009-02-13 | 2009-02-13 | Electrodeless control circuit of blower with direct current source charging module of high frequency switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201403042Y true CN201403042Y (en) | 2010-02-10 |
Family
ID=41662841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200885029U Expired - Fee Related CN201403042Y (en) | 2009-02-13 | 2009-02-13 | Electrodeless control circuit of blower with direct current source charging module of high frequency switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201403042Y (en) |
-
2009
- 2009-02-13 CN CN2009200885029U patent/CN201403042Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100210 Termination date: 20140213 |