CN104967391A - Load control and detection circuit and device, and load - Google Patents
Load control and detection circuit and device, and load Download PDFInfo
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- CN104967391A CN104967391A CN201510322476.1A CN201510322476A CN104967391A CN 104967391 A CN104967391 A CN 104967391A CN 201510322476 A CN201510322476 A CN 201510322476A CN 104967391 A CN104967391 A CN 104967391A
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Abstract
The invention belongs to the field of load control, and discloses a load control and detection circuit and device, and a load. In the embodiment of the invention, a signal module outputs a magnetic induction signal corresponding to a load motor when the load is in work, and a control module controls the load to work according to the magnetic induction signal outputted by the signal module. A detection module detects whether the working state of the load is stable or not according to the magnetic induction signal. The circuit provided by the embodiment of the invention enables the load in work to carry out high-efficiency and stable control, achieves the detection of the abnormality of the load according to the magnetic induction signal corresponding to the load motor, improves the working stability of the load, and prolongs the service life.
Description
Technical field
The invention belongs to load control field, particularly relate to a kind of load control and testing circuit, device and load.
Background technology
Along with the development of electricity, various load is arisen at the historic moment, and load common in life comprises refrigerator, cold drink machine, air conditioner etc., and these loads are the production of people, life and study offer convenience.
But current load is all generally have motor to drive, the operating state of these motors is not very stable, and be also difficult to detection when exception and obtain, long-time abnormal condition is run and easily damaged load, brings economic loss to user.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of load control and testing circuit, is intended to the problem solving current load operating condition instability.
The present invention is achieved in that a kind of load control and testing circuit, and described load control and testing circuit comprise:
Signaling module, power end ground connection, for exporting the magnetic induction signal corresponding with the motor of described load when described loaded work piece;
Control module, power end connects DC power supply, signal end connects described signaling module, first input end, the second input and voltage output end connect the first output of described signaling module, the second output and voltage input end respectively, first output and the second output are connected positive pole and the negative pole of described load respectively, carry out work for load described in the magnetic induction signal controlling that exports according to described signaling module; And
Detection module, power end connects described DC power supply, signal end connects described signaling module, first input end and the second input are connected the first signal output part and the secondary signal output of described control module respectively, and whether the operating state for load according to described magnetic induction input is stablized.
Another object of the embodiment of the present invention is to provide a kind of load control and checkout gear, comprises load control and testing circuit, and described load control and testing circuit comprise:
Signaling module, power end ground connection, for exporting the magnetic induction signal corresponding with the motor of described load when described loaded work piece;
Control module, power end connects DC power supply, signal end connects described signaling module, first input end, the second input and voltage output end connect the first output of described signaling module, the second output and voltage input end respectively, first output and the second output are connected positive pole and the negative pole of described load respectively, carry out work for load described in the magnetic induction signal controlling that exports according to described signaling module; And
Detection module, power end connects described DC power supply, signal end connects described signaling module, first input end and the second input are connected the first signal output part and the secondary signal output of described control module respectively, and whether the operating state for load according to described magnetic induction input is stablized.
Another object of the embodiment of the present invention is also to provide a kind of load, comprises above-mentioned load control and testing circuit.
In embodiments of the present invention, export the magnetic induction signal corresponding with the motor of described load by signaling module when described loaded work piece, and described in the magnetic induction signal controlling exported according to described signaling module by control module, work is carried out in load; And whether stablized by the operating state of detection module load according to described magnetic induction input.The load control that the embodiment of the present invention provides and testing circuit are according to the detection to magnetic induction signal corresponding to the motor of load, load operationally can the carrying out of efficient stable be controlled and detect load abnormal, the stability during loaded work piece of raising and useful life.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the load control that provides of the embodiment of the present invention and testing circuit.
Fig. 2 is the circuit structure diagram of the load control that provides of the embodiment of the present invention and testing circuit.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the modular structure of load control that the embodiment of the present invention provides and testing circuit, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
The load control that the embodiment of the present invention provides and testing circuit 100 are connected with load 200, and load control and testing circuit 100 comprise:
Signaling module 101, power end ground connection, for correspondingly exporting magnetic induction signal when load 200 works;
Control module 102, power end connects DC power supply, signal end connection signal module 101, first input end, the second input and voltage output end be the first output of connection signal module 101, the second output and voltage input end respectively, first output and the second output are connected positive pole and the negative pole of load 200 respectively, carry out work for the magnetic induction signal controlling load exported according to signaling module 101; And
Detection module 103, power end connects DC power supply, and whether the first signal output part of first input end and the second input difference link control module and secondary signal output, for stablizing according to the operating state of magnetic induction input load.
In embodiments of the present invention, export the magnetic induction signal corresponding with the motor of load 200 by signaling module 101 when load 200 works, and carry out work by the magnetic induction signal controlling load 200 that control module 102 exports according to signaling module 101; And whether stablized according to the operating state changing magnetic induction input load 200 by detection module 103, according to the detection to magnetic induction signal corresponding to the motor of load, load operationally can the carrying out of efficient stable be controlled and detect load abnormal, the stability during loaded work piece of raising and useful life.
Fig. 2 shows the circuit structure of load control that the embodiment of the present invention provides and testing circuit, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
As one embodiment of the invention, signaling module 101 is magnetic induction part, preferably, and signaling module 101 hall sensor.
As one embodiment of the invention, control module 102 comprises: diode D1, resistance R1, electric capacity C1, resistance R2, NPN type triode Q1, resistance R3, resistance R4, diode D2, resistance R5, resistance R6, electric capacity C2, resistance R7, resistance R8, resistance R9, resistance R10, electric capacity C3, load driving chip U1, electric capacity C4, voltage stabilizing didoe Z1 and voltage stabilizing didoe Z2;
The anode of diode D1 is the power end of control module 102, the first end of resistance R1 and the first end of electric capacity C1, the first end of resistance R3, the first end of resistance R4, the first end of resistance R5, the first end of resistance R7 and the supply pin VCC of load driving chip U1 are connected to the negative electrode of diode D1 altogether, the common contact that second end of resistance R1 and the first end of resistance R2 are formed is the signal end of control module 102, second end of resistance R2 connects the base stage of NPN type triode Q1, the collector electrode of second end of resistance R3 and second end of resistance R4 and NPN type triode Q1 is connected to the anode of diode D2 altogether, the negative electrode of diode D2 and second end of resistance R5, the first end of resistance R6 and the first end of electric capacity C2 are connected to the threshold voltage pin VTH of load driving chip U1 altogether, the first end of second end of resistance R7 and the first end of resistance R8 and resistance R9 is connected to the starting resistor pin RMI of load driving chip U1 altogether, the first end of resistance R10 connects the equalizing voltage pin 6VERG of load driving chip U1, second end of resistance R10 and the first end of electric capacity C3 are connected to the vibration input pin CPWM of load driving chip U1 altogether, the working signal pin FG of load driving chip U1 and stop signal pin RD is respectively the first signal output part and the secondary signal output of control module 102, the common contact that the first output pin OUT1 of load driving chip U1 and the negative electrode of voltage stabilizing didoe Z2 are formed is the first output of control module 102, the common contact that the second output pin OUT2 of load driving chip U1 and the negative electrode of voltage stabilizing didoe Z1 are formed is the second output of control module 102, the emitter of NPN type triode Q1 and second end of resistance R6, second end of electric capacity C2, second end of resistance R8, second end of resistance R9, second end of electric capacity C3, the anode of voltage stabilizing didoe Z1, the anode of voltage stabilizing didoe Z2, the first grounding leg GND1 of load driving chip U1, second grounding leg GND2 and the 3rd grounding leg GND3 is connected to ground altogether, between the discharge and recharge lower margin CT that electric capacity C4 is connected to load driving chip U1 and ground, the induced electricity presser feet DY of load driving chip U1, positive input pin DI+ and negative input pin DI-is respectively the voltage output end of control module 102, first input end and the second input.Wherein, diode D1 is mainly used in polarity protection, to prevent current reflux to DC power supply VCC; Electric capacity C1 be used for filtering DC power supply VCC export due to voltage spikes in direct current; Voltage stabilizing didoe Z1 and voltage stabilizing didoe Z2 be all at load driving chip U1 be load 200 power time, to the coil in load 200 because the due to voltage spikes that induced potential produces suppresses and filtering; The fan load driver of load driving chip U1 can be specifically model be LB11961.
As one embodiment of the invention, detection module 103 comprises: resistance R11, resistance R12, resistance R13, resistance R14, NPN type triode Q2 and NPN type triode Q3;
The common contact that the first end of resistance R11 and the first end of resistance R12 and the collector electrode of NPN type triode Q3 are formed is the first input end of detection module 103, the common contact that the base stage of NPN type triode Q3 and the first end of resistance R13 are formed is the second input of detection module 103, second end of resistance R12 connects the base stage of NPN type triode Q2, the common contact that the first end of second end of resistance R11 and second end of resistance R13 and resistance R14 is formed is the power end of detection module 103, the common contact that second end of resistance R14 and the collector electrode of NPN type triode Q2 are formed is the output of detection module 103, the emitter of NPN type triode Q2 connects the emitter of NPN type triode Q3.
Below in conjunction with operation principle, above-mentioned load control and testing circuit are described further: when loaded work piece, signaling module 300 exports magnetic induction signal to control module 102, then load driving chip U1 can according to the FREQUENCY CONTROL load 200 correspondingly operating state of magnetic induction signal, then signaling module 101 also can be responded to because its motor internal coil when load 200 works produces alternating magnetic field and exports high level magnetic induction signal and low level magnetic induction signal to load driving chip U1, then therefore load driving chip U1 can export high level and low level respectively from its first output pin OUT1 and the second output pin OUT2 again and drive load 200 to work on, so just can realize the circulation drived control to load 200.
Detection module 103, when load 200 works, judges load whether working stability, in unstable timing output cue according to magnetic induction signal and magnetic induction signal corresponding to load default operating condition.
The embodiment of the present invention additionally provides a kind of load control and checkout gear, comprises above-mentioned load control and testing circuit 100.
In embodiments of the present invention, export the magnetic induction signal corresponding with the motor of described load by signaling module when described loaded work piece, and described in the magnetic induction signal controlling exported according to described signaling module by control module, work is carried out in load; And whether stablized by the operating state of detection module load according to described magnetic induction input.The load control that the embodiment of the present invention provides and testing circuit are according to the detection to magnetic induction signal corresponding to the motor of load, load operationally can the carrying out of efficient stable be controlled and detect load abnormal, the stability during loaded work piece of raising and useful life.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. load control and a testing circuit, is characterized in that, described load control and testing circuit comprise:
Signaling module, power end ground connection, for exporting the magnetic induction signal corresponding with the motor of described load when described loaded work piece;
Control module, power end connects DC power supply, signal end connects described signaling module, first input end, the second input and voltage output end connect the first output of described signaling module, the second output and voltage input end respectively, first output and the second output are connected positive pole and the negative pole of described load respectively, carry out work for load described in the magnetic induction signal controlling that exports according to described signaling module; And
Detection module, power end connects described DC power supply, first input end and the second input are connected the first signal output part and the secondary signal output of described control module respectively, and whether the operating state for load according to described magnetic induction input is stablized.
2. load control as claimed in claim 1 and testing circuit, it is characterized in that, described control module comprises:
Diode D1, resistance R1, electric capacity C1, resistance R2, NPN type triode Q1, resistance R3, resistance R4, diode D2, resistance R5, resistance R6, electric capacity C2, resistance R7, resistance R8, resistance R9, resistance R10, electric capacity C3, load driving chip U1, electric capacity C4, voltage stabilizing didoe Z1 and voltage stabilizing didoe Z2;
The anode of described diode D1 is the power end of described control module, the first end of described resistance R1 and the first end of described electric capacity C1, the first end of described resistance R3, the first end of described resistance R4, the first end of described resistance R5, the first end of described resistance R7 and the supply pin of described load driving chip U1 are connected to the negative electrode of described diode D1 altogether, the common contact that second end of described resistance R1 and the first end of described resistance R2 are formed is the signal end of described control module, second end of described resistance R2 connects the base stage of described NPN type triode Q1, second end of described resistance R3 and second end of described resistance R4 and the collector electrode of described NPN type triode Q1 are connected to the anode of described diode D2 altogether, the negative electrode of described diode D2 and second end of described resistance R5, the first end of described resistance R6 and the first end of described electric capacity C2 are connected to the threshold voltage pin of described load driving chip U1 altogether, the first end of second end of described resistance R7 and the first end of described resistance R8 and described resistance R9 is connected to the starting resistor pin of described load driving chip U1 altogether, the first end of described resistance R10 connects the equalizing voltage pin of described load driving chip U1, second end of described resistance R10 and the first end of described electric capacity C3 are connected to the vibration input pin of described load driving chip U1 altogether, the working signal pin of described load driving chip U1 and stop signal pin are respectively the first signal output part and the secondary signal output of described control module, the common contact that first output pin of described load driving chip U1 and the negative electrode of described voltage stabilizing didoe Z2 are formed is the first output of described control module, the common contact that second output pin of described load driving chip U1 and the negative electrode of described voltage stabilizing didoe Z1 are formed is the second output of described control module, the emitter of described NPN type triode Q1 and second end of described resistance R6, second end of described electric capacity C2, second end of described resistance R8, second end of described resistance R9, second end of described electric capacity C3, the anode of described voltage stabilizing didoe Z1, the anode of described voltage stabilizing didoe Z2, first grounding leg of described load driving chip U1, second grounding leg and the 3rd grounding leg are connected to ground altogether, between the discharge and recharge lower margin that described electric capacity C4 is connected to described load driving chip U1 and ground, the induced electricity presser feet of described load driving chip U1, positive input pin and negative input pin are respectively the voltage output end of described control module, first input end and the second input.
3. load control as claimed in claim 1 and testing circuit, it is characterized in that, described detection module comprises:
Resistance R11, resistance R12, resistance R13, resistance R14, NPN type triode Q2 and NPN type triode Q3;
The common contact that the first end of described resistance R11 and the first end of described resistance R12 and the collector electrode of described NPN type triode Q3 are formed is the first input end of described detection module, the common contact that the base stage of described NPN type triode Q3 and the first end of described resistance R13 are formed is the second input of described detection module, second end of described resistance R12 connects the base stage of described NPN type triode Q2, the common contact that the first end of second end of described resistance R11 and second end of described resistance R13 and described resistance R14 is formed is the power end of described detection module, the common contact that second end of described resistance R14 and the collector electrode of described NPN type triode Q2 are formed is the output of described detection module, the emitter of described NPN type triode Q2 connects the emitter of described NPN type triode Q3.
4. load control and a checkout gear, is characterized in that, described load and checkout gear comprise load control and testing circuit, and described load control and testing circuit comprise:
Signaling module, power end ground connection, for exporting the magnetic induction signal corresponding with the motor of described load when described loaded work piece;
Control module, power end connects DC power supply, signal end connects described signaling module, first input end, the second input and voltage output end connect the first output of described signaling module, the second output and voltage input end respectively, first output and the second output are connected positive pole and the negative pole of described load respectively, carry out work for load described in the magnetic induction signal controlling that exports according to described signaling module; And
Detection module, power end connects described DC power supply, first input end and the second input are connected the first signal output part and the secondary signal output of described control module respectively, and whether the operating state for load according to described magnetic induction input is stablized.
5. load control as claimed in claim 4 and checkout gear, it is characterized in that, described control module comprises:
Diode D1, resistance R1, electric capacity C1, resistance R2, NPN type triode Q1, resistance R3, resistance R4, diode D2, resistance R5, resistance R6, electric capacity C2, resistance R7, resistance R8, resistance R9, resistance R10, electric capacity C3, load driving chip U1, electric capacity C4, voltage stabilizing didoe Z1 and voltage stabilizing didoe Z2;
The anode of described diode D1 is the power end of described control module, the first end of described resistance R1 and the first end of described electric capacity C1, the first end of described resistance R3, the first end of described resistance R4, the first end of described resistance R5, the first end of described resistance R7 and the supply pin of described load driving chip U1 are connected to the negative electrode of described diode D1 altogether, the common contact that second end of described resistance R1 and the first end of described resistance R2 are formed is the magnetic induction signal end of described control module, second end of described resistance R2 connects the base stage of described NPN type triode Q1, second end of described resistance R3 and second end of described resistance R4 and the collector electrode of described NPN type triode Q1 are connected to the anode of described diode D2 altogether, the negative electrode of described diode D2 and second end of described resistance R5, the first end of described resistance R6 and the first end of described electric capacity C2 are connected to the threshold voltage pin of described load driving chip U1 altogether, the first end of second end of described resistance R7 and the first end of described resistance R8 and described resistance R9 is connected to the starting resistor pin of described load driving chip U1 altogether, the first end of described resistance R10 connects the equalizing voltage pin of described load driving chip U1, second end of described resistance R10 and the first end of described electric capacity C3 are connected to the vibration input pin of described load driving chip U1 altogether, the working signal pin of described load driving chip U1 and stop signal pin are respectively the first signal output part and the secondary signal output of described control module, the common contact that first output pin of described load driving chip U1 and the negative electrode of described voltage stabilizing didoe Z2 are formed is the first output of described control module, the common contact that second output pin of described load driving chip U1 and the negative electrode of described voltage stabilizing didoe Z1 are formed is the second output of described control module, the emitter of described NPN type triode Q1 and second end of described resistance R6, second end of described electric capacity C2, second end of described resistance R8, second end of described resistance R9, second end of described electric capacity C3, the anode of described voltage stabilizing didoe Z1, the anode of described voltage stabilizing didoe Z2, first grounding leg of described load driving chip U1, second grounding leg and the 3rd grounding leg are connected to ground altogether, between the discharge and recharge lower margin that described electric capacity C4 is connected to described load driving chip U1 and ground, the induced electricity presser feet of described load driving chip U1, positive input pin and negative input pin are respectively the voltage output end of described control module, first input end and the second input.
6. load control as claimed in claim 4 and checkout gear, it is characterized in that, described detection module comprises:
Resistance R11, resistance R12, resistance R13, resistance R14, NPN type triode Q2 and NPN type triode Q3;
The common contact that the first end of described resistance R11 and the first end of described resistance R12 and the collector electrode of described NPN type triode Q3 are formed is the first input end of described detection module, the common contact that the base stage of described NPN type triode Q3 and the first end of described resistance R13 are formed is the second input of described detection module, second end of described resistance R12 connects the base stage of described NPN type triode Q2, the common contact that the first end of second end of described resistance R11 and second end of described resistance R13 and described resistance R14 is formed is the power end of described detection module, the common contact that second end of described resistance R14 and the collector electrode of described NPN type triode Q2 are formed is the output of described detection module, the emitter of described NPN type triode Q2 connects the emitter of described NPN type triode Q3.
7. a load, is characterized in that, described load comprises load control as described in any one of claim 4-6 and checkout gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322476.1A CN104967391A (en) | 2015-06-13 | 2015-06-13 | Load control and detection circuit and device, and load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322476.1A CN104967391A (en) | 2015-06-13 | 2015-06-13 | Load control and detection circuit and device, and load |
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| Publication Number | Publication Date |
|---|---|
| CN104967391A true CN104967391A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510322476.1A Pending CN104967391A (en) | 2015-06-13 | 2015-06-13 | Load control and detection circuit and device, and load |
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| CN (1) | CN104967391A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689589Y (en) * | 2004-03-19 | 2005-03-30 | 奇宏电子(深圳)有限公司 | Power supply linear speed controllable circuit of DC fan |
| US20070258805A1 (en) * | 2006-05-02 | 2007-11-08 | Delta Electronics Inc. | Fan systems |
| CN104167963A (en) * | 2013-05-15 | 2014-11-26 | 海洋王（东莞）照明科技有限公司 | Direct-current fan and running control and detection circuit thereof |
-
2015
- 2015-06-13 CN CN201510322476.1A patent/CN104967391A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2689589Y (en) * | 2004-03-19 | 2005-03-30 | 奇宏电子(深圳)有限公司 | Power supply linear speed controllable circuit of DC fan |
| US20070258805A1 (en) * | 2006-05-02 | 2007-11-08 | Delta Electronics Inc. | Fan systems |
| CN104167963A (en) * | 2013-05-15 | 2014-11-26 | 海洋王（东莞）照明科技有限公司 | Direct-current fan and running control and detection circuit thereof |
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