CN204557247U - There is the microcomputer protecting controller of heat sinking function - Google Patents
There is the microcomputer protecting controller of heat sinking function Download PDFInfo
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- CN204557247U CN204557247U CN201520234394.7U CN201520234394U CN204557247U CN 204557247 U CN204557247 U CN 204557247U CN 201520234394 U CN201520234394 U CN 201520234394U CN 204557247 U CN204557247 U CN 204557247U
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Abstract
The utility model discloses a kind of microcomputer protecting controller with heat sinking function, solve radiator fan no matter ambient temperature how to be in the state of continuous firing all the time, and then cause the problem of waste of electric energy, its drip irrigation device is that testing circuit is coupled to power supply reception temperature signal, output detections signal; Comparator circuit is coupled to testing circuit and receives detection signal, exports comparison signal; Lasting driving circuit is coupled to comparator circuit and receives comparison signal, exports the keying that sustained control signals controls radiator fan; Intermittent driving circuit is coupled to comparator circuit and receives comparison signal; export the keying that interval control signal controls radiator fan; a kind of microcomputer protecting controller with heat sinking function of the present utility model; when ambient temperature is lower; radiator fan intermittent work is made, to reach energy-conservation function, when ambient temperature is higher by intermittent driving circuit; radiator fan continuous firing is made, to reach the function of heat radiation by lasting driving circuit.
Description
Technical field
The utility model relates to a kind of microcomputer protecting controller, and more particularly, it relates to a kind of microcomputer protecting controller with heat sinking function.
Background technology
Microcomputer protecting controller does not go out chip single-chip microcomputer by high integration, bus, high-precision current voltage transformer (VT), high insulation resistance export the parts such as auxiliary reclay, high-reliability switch power module and form.For the economical protection of the one measured, control, protect, communication is integrated.
Hardware involved by microcomputer protecting device is all be integrated in a casing, limited due to box volume, the lifting of the own temperature of its each hardware inner, usually occur that wiring comes off, apparatus system is caused to be paralysed, so usually radiator fan can be arranged in the casing of microcomputer protecting device, to reach the effect of heat radiation, when ambient temperature is lower, then do not need radiator fan to open for a long time to dispel the heat, but owing to not arranging control circuit to control radiator fan, radiator fan is made to be in the state of continuous firing all the time, and then cause the waste of electric energy, so current used microcomputer protecting controller has the space of certain improvement.
Utility model content
For the deficiency that prior art exists; the purpose of this utility model is to provide a kind of microcomputer protecting controller with heat sinking function; make radiator fan when ambient temperature is lower can intermittent work to reach energy-conservation function, and when ambient temperature is higher can continuous firing to reach heat sinking function.
For achieving the above object, the utility model provides following technical scheme: a kind of microcomputer protecting controller with heat sinking function, comprising for controlling the switch of microcomputer protecting controller keying and the radiator fan for dispelling the heat, comprising testing circuit, comparator circuit, intermittent driving circuit and lasting driving circuit;
Whether described switch is coupled between testing circuit and comparator circuit, open to control testing circuit;
Described testing circuit is coupled to power supply to receive temperature signal, and output detections signal;
Described comparator circuit is coupled to testing circuit to receive detection signal, and exports comparison signal;
Described lasting driving circuit is coupled to comparator circuit to receive comparison signal, and exports sustained control signals to control the keying of radiator fan;
Described intermittent driving circuit is coupled to comparator circuit to receive comparison signal, and exports interval control signal to control the keying of radiator fan;
Described intermittent driving circuit comprises charging circuit, control circuit and energy-storage travelling wave tube;
Described charging circuit is coupled to power supply to receive power supply signal, and exports charging signals;
Described energy-storage travelling wave tube is coupled to charging circuit to receive charging signals, and charges in response to charging signals;
Described control circuit is coupled to comparator circuit to receive comparison signal, and exports control signal, and by energy-storage travelling wave tube for control circuit provides electric energy.
Preferably, described charging circuit comprises indicating circuit and bleeder circuit;
Described indicating circuit is coupled to power supply to receive power supply signal, and cut-offs state in response to power supply signal with what indicate power supply;
Described bleeder circuit couples with indicating circuit, energy-storage travelling wave tube respectively;
When intermittent driving circuit receives comparison signal, when control circuit controls radiator fan work, bleeder circuit make only by energy-storage travelling wave tube for control circuit provides electric energy and can not provide electric energy by power supply.
Preferably, described indicating circuit comprises light emitting diode and protective resistance;
Whether described light emitting diode is coupled to power supply after mutually connecting with protective resistance, open to realize instruction power supply.
Preferably, described bleeder circuit comprises the first divider resistance, and described first divider resistance is series between indicating circuit and energy-storage travelling wave tube.
Preferably, described control circuit comprises the first on-off element and the first executive component;
Described first on-off element is coupled to comparator circuit to receive comparison signal, and exports make-and-break signal;
Described first executive component is coupled to the first on-off element to receive make-and-break signal, and exports the first control signal to control radiator fan work.
Preferably, described lasting driving circuit comprises second switch element and the second executive component;
Described second switch element is coupled to comparator circuit to receive comparison signal, and exports make-and-break signal;
Described second executive component is coupled to second switch element to receive make-and-break signal, and exports the second control signal to control radiator fan work.
Preferably, described testing circuit comprises thermistor and the second divider resistance;
One end of described second divider resistance is coupled to power supply, and the other end is coupled to ground connection after thermistor;
One end of described switch is coupled between the second divider resistance and thermistor, and the other end is coupled to comparator circuit.
Preferably, described comparator circuit comprises upper voltage limit comparing unit;
In-phase end on described upper voltage limit comparing unit is to receive detection signal, and the end of oppisite phase on described upper voltage limit comparing unit is connected with default upper limit reference voltage, and the output terminal of described upper voltage limit comparing unit exports comparison signal.
The utility model hinge structure is compared to be had: by testing circuit to external world temperature compare through comparator circuit after detecting, if be greater than upper limit reference voltage, then control intermittent driving circuit working, make radiator fan intermittent work, to reach energy-conservation function, if be less than upper limit reference voltage, then control to continue drive circuit works, make radiator fan continuous firing, to reach the function of heat radiation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is circuit diagram of the present utility model.
In figure: 1, testing circuit; 2, comparator circuit; 3, intermittent driving circuit; 31, charging circuit; 311, indicating circuit; 312, bleeder circuit; 32, control circuit; 33, energy-storage travelling wave tube; 4, driving circuit is continued.
Embodiment
Shown in Fig. 1, embodiment is described further.
A kind of microcomputer protecting controller with heat sinking function disclosed in the utility model, comprise for controlling the K switch 1 of microcomputer protecting controller keying and the radiator fan for dispelling the heat, comprise testing circuit 1, comparator circuit 2, intermittent driving circuit 3 and lasting driving circuit 4, K switch 1 is coupled between testing circuit 1 and comparator circuit 2, whether open to control testing circuit 1, testing circuit 1 is coupled to power supply to receive temperature signal, and output detections signal, comparator circuit 2 is coupled to testing circuit 1 to receive detection signal, and export comparison signal, continue driving circuit 4 and be coupled to comparator circuit 2 to receive comparison signal, and export sustained control signals to control the keying of radiator fan, intermittent driving circuit 3 is coupled to comparator circuit 2 to receive comparison signal, and export interval control signal to control the keying of radiator fan, by testing circuit 1 to external world temperature compare through comparator circuit 2 after detecting, if temperature is lower, then control intermittent driving circuit 3 to work, make radiator fan intermittent work, to reach energy-conservation function, if temperature is higher, then control to continue driving circuit 4 to work, make radiator fan continuous firing, to reach the function of heat radiation.
Testing circuit 1 comprises thermistor RT and the second divider resistance R5, one end of second divider resistance R5 is coupled to power supply, the other end is coupled to ground connection after thermistor, one end of K switch 1 is coupled between the second divider resistance R5 and thermistor RT, the other end is coupled to comparator circuit 2, thermistor RT is preferably the thermistor of positive temperature coefficient (PTC), namely when the temperature in the external world becomes large, the resistance of the thermistor of positive temperature coefficient (PTC) increases, when the temperature in the external world reduces, the resistance of the thermistor of positive temperature coefficient (PTC) reduces.
Comparator circuit 2 comprises upper voltage limit comparing unit, upper voltage limit comparing unit is preferably the comparer of LM393A model, in-phase end on upper voltage limit comparing unit is to receive detection signal, end of oppisite phase on upper voltage limit comparing unit is connected with default upper limit reference voltage V ref, upper limit reference voltage V ref is arranged by resistance R8, and the output terminal of upper voltage limit comparing unit exports comparison signal.
Intermittent driving circuit 3 comprises charging circuit 31, control circuit 32 and energy-storage travelling wave tube 33, energy-storage travelling wave tube 33 is preferably electric capacity C1, charging circuit 31 is coupled to power supply to receive power supply signal, and export charging signals, energy-storage travelling wave tube 33 is coupled to charging circuit 31 to receive charging signals, and charge in response to charging signals, control circuit 32 is coupled to comparator circuit 2 to receive comparison signal, and export control signal, and by energy-storage travelling wave tube 33 for control circuit 32 provides electric energy, the break-make controlling control circuit 32 is realized by the discharge and recharge of energy-storage travelling wave tube 33, and then realize the function of intermittent work.
Charging circuit 31 comprises indicating circuit 311 and bleeder circuit 312, indicating circuit 311 is coupled to power supply to receive power supply signal, and cut-off state in response to power supply signal with what indicate power supply, indicating circuit 311 comprises LED and protective resistance R4, LED is coupled to power supply after mutually connecting with protective resistance, whether open to realize instruction power supply, when after power supply opening, LED namely can be luminous, to represent that power supply is the state being in connection, whole circuit is in the state of energising simultaneously, dividing potential drop is carried out by protective resistance R4, LED is avoided to damage, indicating circuit 311 is parallel with filter capacitor C2, bleeder circuit 312 respectively with indicating circuit 311, energy-storage travelling wave tube 33 couples, when intermittent driving circuit 3 receives comparison signal, when control circuit 32 controls radiator fan work, bleeder circuit 312 make only by energy-storage travelling wave tube 33 for control circuit 32 provides electric energy and can not provide electric energy by power supply, bleeder circuit 312 comprises the first divider resistance R3, first divider resistance R3 is series between indicating circuit 311 and energy-storage travelling wave tube 33, the resistance of the first divider resistance R3 is very large, make by after dividing potential drop, the undertension be loaded on control circuit 32 makes control circuit 32 normally work, and then make to only have and provide voltage can normally work to make control circuit 32 by energy-storage travelling wave tube 33 electric discharge.
Control circuit 32 comprises the first on-off element and the first executive component, first on-off element is preferably the triode Q1 of positive-negative-positive, first executive component is preferably relay K M1, first on-off element is coupled to comparator circuit 2 to receive comparison signal, and export make-and-break signal, first executive component is coupled to the first on-off element to receive make-and-break signal, and export the first control signal to control radiator fan work, comparator circuit 2 is connected to receive comparison signal after the base stage of triode Q1 is coupled to resistance R2, and export make-and-break signal, one end of resistance R1 is connected between base stage and resistance R2, other end ground connection, one end of electric capacity C1 is connected to after the collector of triode Q1 is coupled with the coil of relay K M1, executive component is parallel with sustained diode 1, electricity when power-off in coil can be consumed by sustained diode 1, the grounded emitter of triode Q1, the normally opened contact of relay K M1 is coupled to radiator fan and opens and closes to control it, normally closed contact is coupled to power supply U1 to control whether to charge to electric capacity C1.
Continue driving circuit 4 and comprise second switch element and the second executive component, second switch element is preferably the triode Q2 of positive-negative-positive, second executive component is preferably relay K M2, second switch element is coupled to comparator circuit 2 to receive comparison signal, and export make-and-break signal, second executive component is coupled to second switch element to receive make-and-break signal, and export the second control signal to control radiator fan work, comparator circuit 2 is connected to receive comparison signal after the base stage of triode Q2 is coupled to resistance R6, and export make-and-break signal, one end of resistance R7 is connected between base stage and resistance R6, other end ground connection, power supply is connected to after the collector of triode Q2 is coupled with the coil of relay K M2, second executive component is parallel with sustained diode 2, electricity when power-off in coil can be consumed by sustained diode 2, the grounded emitter of triode Q2, the normally opened contact of relay K M2 is coupled to radiator fan and opens and closes to control it.
By the thermistor RT in testing circuit 1 to external world temperature detect, if the temperature in the external world is higher, then make the resistance of thermistor RT higher, the voltage then got is larger, and be greater than upper limit reference voltage V ref, thus make upper voltage limit comparing unit export high level, make triode Q1 not conducting, intermittent driving circuit 3 does not work, and triode Q2 conducting, continue driving circuit 4 to work, relay K M2 conducting, the normally opened contact Closed control radiator fan of relay K M2 works all the time, to reach the function of heat radiation, if the temperature in the external world is lower, then make the resistance of thermistor RT lower, the voltage then got is less, and be less than upper limit reference voltage V ref, thus make upper voltage limit comparing unit output low level, make triode Q1 conducting, intermittent driving circuit 3 works, and triode Q2 not conducting, continue driving circuit 4 not work, relay K M1 conducting, normally opened contact closes, normally closed electric shock is opened, power supply U1 is no longer charged to C1, because electric capacity C1 is charged, it is made to have certain voltage, and then provide driving voltage by electric capacity C1 to relay K M1, thus make the normally opened contact conducting of relay K M1, radiator fan works, simultaneously due to the limited energy in electric capacity C1, cannot relay K M1 be driven for a long time to work, after the electric energy in electric capacity C1 uses, the normally opened contact of relay K M1 is opened, close radiator fan, and the normally closed contact of relay K M1 is opened, normally closed electric shock closes, electric capacity C1 is charged, circulate with this, make radiator fan intermittent work, to reach energy-conservation function.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. one kind has the microcomputer protecting controller of heat sinking function, comprising for controlling the switch of microcomputer protecting controller keying and the radiator fan for dispelling the heat, it is characterized in that: comprise testing circuit, comparator circuit, intermittent driving circuit and lasting driving circuit;
Whether described switch is coupled between testing circuit and comparator circuit, open to control testing circuit;
Described testing circuit is coupled to power supply to receive temperature signal, and output detections signal;
Described comparator circuit is coupled to testing circuit to receive detection signal, and exports comparison signal;
Described lasting driving circuit is coupled to comparator circuit to receive comparison signal, and exports sustained control signals to control the keying of radiator fan;
Described intermittent driving circuit is coupled to comparator circuit to receive comparison signal, and exports interval control signal to control the keying of radiator fan;
Described intermittent driving circuit comprises charging circuit, control circuit and energy-storage travelling wave tube;
Described charging circuit is coupled to power supply to receive power supply signal, and exports charging signals;
Described energy-storage travelling wave tube is coupled to charging circuit to receive charging signals, and charges in response to charging signals;
Described control circuit is coupled to comparator circuit to receive comparison signal, and exports control signal, and by energy-storage travelling wave tube for control circuit provides electric energy.
2. the microcomputer protecting controller with heat sinking function according to claim 1, is characterized in that: described charging circuit comprises indicating circuit and bleeder circuit;
Described indicating circuit is coupled to power supply to receive power supply signal, and cut-offs state in response to power supply signal with what indicate power supply;
Described bleeder circuit couples with indicating circuit, energy-storage travelling wave tube respectively;
When intermittent driving circuit receives comparison signal, when control circuit controls radiator fan work, bleeder circuit make only by energy-storage travelling wave tube for control circuit provides electric energy and can not provide electric energy by power supply.
3. the microcomputer protecting controller with heat sinking function according to claim 2, is characterized in that: described indicating circuit comprises light emitting diode and protective resistance;
Whether described light emitting diode is coupled to power supply after mutually connecting with protective resistance, open to realize instruction power supply.
4. the microcomputer protecting controller with heat sinking function according to claim 2, is characterized in that: described bleeder circuit comprises the first divider resistance, described first divider resistance is series between indicating circuit and energy-storage travelling wave tube.
5. the microcomputer protecting controller with heat sinking function according to claim 1, is characterized in that: described control circuit comprises the first on-off element and the first executive component;
Described first on-off element is coupled to comparator circuit to receive comparison signal, and exports make-and-break signal;
Described first executive component is coupled to the first on-off element to receive make-and-break signal, and exports the first control signal to control radiator fan work.
6. the microcomputer protecting controller with heat sinking function according to claim 1, is characterized in that: described lasting driving circuit comprises second switch element and the second executive component;
Described second switch element is coupled to comparator circuit to receive comparison signal, and exports make-and-break signal;
Described second executive component is coupled to second switch element to receive make-and-break signal, and exports the second control signal to control radiator fan work.
7. the microcomputer protecting controller with heat sinking function according to claim 1, is characterized in that: described testing circuit comprises thermistor and the second divider resistance;
One end of described second divider resistance is coupled to power supply, and the other end is coupled to ground connection after thermistor;
One end of described switch is coupled between the second divider resistance and thermistor, and the other end is coupled to comparator circuit.
8. the microcomputer protecting controller with heat sinking function according to claim 1, is characterized in that: described comparator circuit comprises upper voltage limit comparing unit;
In-phase end on described upper voltage limit comparing unit is to receive detection signal, and the end of oppisite phase on described upper voltage limit comparing unit is connected with default upper limit reference voltage, and the output terminal of described upper voltage limit comparing unit exports comparison signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234394.7U CN204557247U (en) | 2015-04-17 | 2015-04-17 | There is the microcomputer protecting controller of heat sinking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234394.7U CN204557247U (en) | 2015-04-17 | 2015-04-17 | There is the microcomputer protecting controller of heat sinking function |
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| Publication Number | Publication Date |
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| CN204557247U true CN204557247U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234394.7U Expired - Fee Related CN204557247U (en) | 2015-04-17 | 2015-04-17 | There is the microcomputer protecting controller of heat sinking function |
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| CN (1) | CN204557247U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068614A (en) * | 2020-09-09 | 2020-12-11 | 深圳市道通智能航空技术有限公司 | Temperature control heat dissipation circuit and electronic equipment |
| CN115955102A (en) * | 2023-03-09 | 2023-04-11 | 迈思普电子股份有限公司 | Multifunctional circuit compatible with quick start and improving low-temperature start |
| CN116221163A (en) * | 2023-02-27 | 2023-06-06 | 深圳市航嘉驰源电气股份有限公司 | Fan control circuit and electronic equipment |
-
2015
- 2015-04-17 CN CN201520234394.7U patent/CN204557247U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068614A (en) * | 2020-09-09 | 2020-12-11 | 深圳市道通智能航空技术有限公司 | Temperature control heat dissipation circuit and electronic equipment |
| CN116221163A (en) * | 2023-02-27 | 2023-06-06 | 深圳市航嘉驰源电气股份有限公司 | Fan control circuit and electronic equipment |
| CN115955102A (en) * | 2023-03-09 | 2023-04-11 | 迈思普电子股份有限公司 | Multifunctional circuit compatible with quick start and improving low-temperature start |
| CN115955102B (en) * | 2023-03-09 | 2023-05-30 | 迈思普电子股份有限公司 | Multifunctional circuit compatible with quick start and capable of improving low-temperature start |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160417 |