CN203907889U - Drive circuit of electricity load and air conditioner - Google Patents
Drive circuit of electricity load and air conditioner Download PDFInfo
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- CN203907889U CN203907889U CN201420275539.3U CN201420275539U CN203907889U CN 203907889 U CN203907889 U CN 203907889U CN 201420275539 U CN201420275539 U CN 201420275539U CN 203907889 U CN203907889 U CN 203907889U
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- latching relay
- magnetic latching
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- twin coil
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Abstract
The utility model belongs to the field of the electricity load drive technology and provides a drive circuit of an electricity load and an air conditioner. In the drive circuit of the electricity load, when a first drive port of a master controller outputs high levels continuously within preset time, a set control module controls a set coil in a double-coil magnetic latching relay to be powered on and moved so that a switch contact of the double-coil magnetic latching relay can be communicated with a normally open contact in an attraction mode, the switch contact of the double-coil magnetic latching relay and the normally open contact maintain communication between a load power supply and the electricity load after preset time is ended, work of the electricity load can be maintained under the condition that electricity is not consumed, and energy consumption is reduced; when a second drive port of the master controller outputs high levels continuously within preset time, a reset control module controls power-on motion of a reset coil in the double-coil magnetic latching relay so that the switch contact of the double-coil magnetic latching relay can be disconnected from the normally open contact.
Description
Technical field
The utility model belongs to electric loading actuation techniques field, relates in particular to a kind of with electric load drive circuit and air-conditioner.
Background technology
At present, along with the aggravation of global greenhouse effect, energy-saving and emission-reduction have caused the very big concern in the world.Countries in the world have caused very high attention to the standby energy consumption problem of very huge household appliances.European countries have launched respectively decree the standby energy consumption of household appliances have been stipulated, and become the primary condition of product access.Yet the energy consumption problem being in operation for household appliances does not but obtain enough attention.
In existing household appliances, with electric loading (as motor, compressor and corresponding coil valve body etc.) normally in drive circuit the break-make of switching device control load power supply to realize the switching of duty, when needs are used electric loading work, only need to conduct and can connect load power source on gauge tap device, and vary in size according to the supply voltage by electric loading, need to adopt the switching device that operating voltage is different.For example use the switching device that operating voltage is 12V, if current range during its closed conducting is 30mA～150mA, control load power connection power demand (controlling the power of electricity consumption loaded work piece) is 0.36W～1.8W, if have 1W for controlling the mean power of the electricity consumption loaded work piece of household appliances, 1000 household appliances will expend 1 degree electricity in the work of 1 hour, 1,000,000,000 household appliances work power consumption in 1 hour 1,000,000 is spent so, in 1 year, according to 100 days working times, calculated, work every day 8 hours, need expend every year the above electric weight of 800,000,000 degree, this is equivalent to the generating total amount in several medium-sized thermal power plants.Therefore there is the too high problem of energy consumption in prior art, when driving electricity consumption loaded work piece.
Utility model content
It is a kind of by electric load drive circuit that the purpose of this utility model is to provide, and is intended to solve prior art too high problem of existing energy consumption when driving electricity consumption loaded work piece.
The utility model is achieved in that a kind of electric load drive circuit of using, and comprises master controller, and when demand motive electricity consumption loaded work piece, first of described master controller drives a mouthful output high level lasting in Preset Time; When needs control quits work by electric loading, second of described master controller drives a mouthful output high level lasting in Preset Time;
Describedly by electric load drive circuit, also comprise:
Twin coil magnetic latching relay, set control module and reset control module;
The common pin of described twin coil magnetic latching relay connects dc source, the switch contact of described twin coil magnetic latching relay is connected respectively load power source and described by electric loading with normally opened contact, the set pin of described twin coil magnetic latching relay connects the control of Electric potentials end of described set control module, the reset pin of described twin coil magnetic latching relay connects the control of Electric potentials end of described reset control module, and the controlled end of the controlled end of described set control module and described reset control module is connected respectively first of described master controller and drives mouth and second to drive mouth.
When first of described master controller drives mouth to continue output high level in Preset Time, described set control module is controlled the set coil energising action in described twin coil magnetic latching relay, so that the switch contact of described twin coil magnetic latching relay is communicated with normally opened contact adhesive, and after described Preset Time finishes, first of described master controller drives a mouthful output low level, described set control module is controlled the set coil power-off in described twin coil magnetic latching relay, and the switch contact of described twin coil magnetic latching relay keeps being communicated with normally opened contact.
When second of described master controller drives mouth to continue output high level in Preset Time, described reset control module is controlled the resetting coil energising action in described twin coil magnetic latching relay, so that the switch contact of described twin coil magnetic latching relay and normally opened contact disconnect.
Another object of the present utility model is also to provide a kind of air-conditioner, and it comprises by electric loading and the above-mentioned electric load drive circuit of using.
The utility model comprises twin coil magnetic latching relay by employing, the use electric load drive circuit of set control module and reset control module, when first of master controller drives mouth to continue output high level in Preset Time, set control module is controlled the set coil energising action in twin coil magnetic latching relay, so that the switch contact of twin coil magnetic latching relay is communicated with normally opened contact adhesive, and after Preset Time finishes, the switch contact of twin coil magnetic latching relay keeps being communicated with normally opened contact, can not maintain by electric loading consume electric power in the situation that and work at set coil thus, when second of master controller drives mouth to continue output high level in Preset Time, the resetting coil energising that reset control module is controlled in twin coil magnetic latching relay is moved, so that the switch contact of twin coil magnetic latching relay and normally opened contact disconnect.So, with electric load drive circuit only need be when controlling the switch contact of twin coil magnetic latching relay and normally opened contact and switch on and off respectively set coil and the resetting coil to twin coil magnetic latching relay electric energy is provided, and by twin coil magnetic latching relay, maintain load power source and connect by electric loading when electricity consumption loaded work piece, thereby saved energy consumption, solved prior art too high problem of existing energy consumption when driving electricity consumption loaded work piece.
Accompanying drawing explanation
Fig. 1 is the structure chart of the use electric load drive circuit that provides of the utility model embodiment;
Fig. 2 is another structure chart of the use electric load drive circuit that provides of the utility model embodiment;
Fig. 3 is the exemplary circuit structure chart of the use electric load drive circuit shown in Fig. 1;
Fig. 4 is the exemplary circuit structure chart of the use electric load drive circuit shown in Fig. 2.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the use electric load drive circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model embodiment, and details are as follows:
What the utility model embodiment provided comprises master controller 100 by electric load drive circuit, and when demand motive is worked by electric loading 200, first of master controller 100 drives mouthful MCU1 in Preset Time, to continue output high level; When needs control quits work by electric loading 200, second of master controller 100 drives mouthful MCU2 in Preset Time, to continue output high level.Wherein, master controller 100 is conventional microprocessors, as single-chip microcomputer, arm processor or other possess the Programmable Logic Controller of mathematical logic disposal ability; Preset Time is not less than 30ms.
By electric load drive circuit, also comprise twin coil magnetic latching relay RY, set control module 300 and reset control module 400.
The common pin 7 of twin coil magnetic latching relay RY connects dc source VCC (can be+12V dc source), the switch contact 3 of twin coil magnetic latching relay RY and normally opened contact 5 are connected respectively load power source 500 and by electric loading 200, the set pin 6 of twin coil magnetic latching relay RY connects the control of Electric potentials end of set control module 300, the reset pin 1 of twin coil magnetic latching relay RY connects the control of Electric potentials end of reset control module 400, the controlled end of the controlled end of set control module 300 and reset control module 400 is connected respectively first of master controller 100 and drives mouthful MCU1 and second to drive a mouthful MCU2.
When first of master controller 100 drives mouthful MCU1 to continue output high level in Preset Time, set coil (being at the common pin 7 of twin coil magnetic latching relay RY and the coil between the set pin 6) energising that set control module 300 is controlled in twin coil magnetic latching relay RY is moved, so that the switch contact 3 of twin coil magnetic latching relay RY is communicated with normally opened contact 5 adhesives.And after Preset Time finishes, first of master controller 100 drives a mouthful MCU1 output low level, set control module 300 is controlled the set coil power-off in twin coil magnetic latching relay RY, the switch contact 3 of twin coil magnetic latching relay RY keeps being communicated with normally opened contact 5, now, twin coil magnetic latching relay RY is communicated with normally opened contact 5 because magnetic retention performance continues maintained switch contact 3, thereby make load power source 500 and continue to connect by electric loading 200, by electric loading 200, can continue to keep duty, simultaneously, set coil in twin coil magnetic latching relay RY is power-off, there is not any power consumption, and then reduced the energy consumption by electric load drive circuit.
When second of master controller 100 drives mouthful MCU2 to continue output high level in Preset Time, reset control module 400 is controlled resetting coil (being at the common pin 7 of twin coil magnetic latching relay RY and the coil between reset pin 1) the energising action in twin coil magnetic latching relay RY, so that the switch contact 3 of twin coil magnetic latching relay RY and normally opened contact 5 disconnections.
In addition, as shown in Figure 2, by electric load drive circuit, also comprise the first diode D1 and the second diode D2, the negative electrode of the negative electrode of the first diode D1 and the second diode D2 is connected to the common pin 7 of twin coil magnetic latching relay RY altogether, the reset pin 1 of the anodic bonding twin coil magnetic latching relay RY of set pin 6, the second diode D1 of the anodic bonding twin coil magnetic latching relay RY of the first diode D1.
When first of master controller 100 drives a mouthful MCU1 to switch to low level output from high level output, set control module 300 makes the set coil power-off in twin coil magnetic latching relay RY, and the first diode D1 discharges the energy of the set coil in twin coil magnetic latching relay RY.
When second of master controller 100 drives a mouthful MCU2 to switch to low level output from high level output, reset control module 400 makes the resetting coil power-off in twin coil magnetic latching relay RY, and the second diode D2 discharges the energy of the resetting coil in twin coil magnetic latching relay RY.
Further, twin coil magnetic latching relay RY can be specifically that model is the relay of ADW1212TW.
Further, as shown in Fig. 3 (corresponding diagram 1) and Fig. 4 (corresponding diagram 2), set control module 300 comprises:
The first resistance R 1, the second resistance R 2 and a NPN type triode Q1;
The first end of the first resistance R 1 is the controlled end of set control module 300, the second end of the first resistance R 1 and the first end of the second resistance R 2 are connected to the base stage of a NPN type triode Q1 altogether, the emitter stage of the second end of the second resistance R 2 and a NPN type triode Q1 is connected to ground, the control of Electric potentials end of the very set control module of current collection 300 of a NPN type triode Q1 altogether.Wherein, the first resistance R 1 and the second resistance R 2 are as biasing resistor, for guaranteeing that a NPN type triode Q1 is operated on off state.
Further, as shown in Fig. 3 (corresponding diagram 1) and Fig. 4 (corresponding diagram 2), reset control module 400 comprises:
The 3rd resistance R 3, the 4th resistance R 4 and the 2nd NPN type triode Q2;
The first end of the 3rd resistance R 3 is the controlled end of reset control module 400, the second end of the 3rd resistance R 3 and the first end of the 4th resistance R 4 are connected to the base stage of the 2nd NPN type triode Q2 altogether, the emitter stage of the second end of the 4th resistance R 4 and the 2nd NPN type triode Q2 is connected to ground altogether, very the reset control of Electric potentials end of control module 400 of the current collection of the 2nd NPN type triode Q2.Wherein, the 3rd resistance R 3 and the 4th resistance R 4 are as biasing resistor, for guaranteeing that the 2nd NPN type triode Q2 is operated on off state.
Below in conjunction with operation principle to being described further by electric load drive circuit shown in Fig. 3 and Fig. 4:
The relay that the model of supposing twin coil magnetic latching relay RYWei Panasonic product is ADW1212TW, dc source VCC is+12V dc source that Preset Time is 30ms.When demand motive is worked by electric loading 200, first of master controller 100 drives mouthful MCU1 in 30ms, to continue output high level, the one NPN type triode Q1 conducting, the current potential of the set pin 6 of twin coil magnetic latching relay RY is pulled low to ground by a NPN type triode Q1, so set coil energising action in twin coil magnetic latching relay RY, the switch contact 3 of twin coil magnetic latching relay RY is communicated with normally opened contact 5 adhesives, so, load power source 500 is powered to use electric loading 200 with normally opened contact 5 by the switch contact 3 of twin coil magnetic latching relay RY, by electric loading 200, start working.After 30ms, first of master controller 100 drives a mouthful MCU1 to become low level output, the one NPN type triode Q1 cut-off, set coil power-off in twin coil magnetic latching relay RY, but the magnetic retention performance due to twin coil magnetic latching relay RY, the switch contact 3 of twin coil magnetic latching relay RY continues to keep adhesive to be communicated with normally opened contact 5, so still normally work by electric loading 200.Until need to control while quitting work by electric loading 200, second of master controller 100 drives mouthful MCU2 in 30ms, to continue output high level, the 2nd NPN type triode Q2 conducting, the current potential of the reset pin 1 of twin coil magnetic latching relay RY is pulled low to ground by the 2nd NPN type triode Q2, so resetting coil energising action in twin coil magnetic latching relay RY, the switch contact 3 of twin coil magnetic latching relay RY disconnects with normally opened contact 5, load power source 500 and with disconnecting between electric loading 200, quits work by electric loading 200.
Based on the above-mentioned electric load drive circuit of using, the utility model embodiment also provides a kind of air-conditioner, and it comprises by electric loading and above-mentioned use electric load drive circuit, by electric loading, can be motor, compressor and corresponding coil valve body etc.
The utility model embodiment comprises twin coil magnetic latching relay RY by employing, the use electric load drive circuit of set control module 300 and reset control module 400, when first of master controller 100 drives mouthful MCU1 to continue output high level in Preset Time, set control module 300 is controlled the set coil energising action in twin coil magnetic latching relay RY, so that the switch contact 3 of twin coil magnetic latching relay RY is communicated with normally opened contact 5 adhesives, and after Preset Time finishes, the switch contact 3 of twin coil magnetic latching relay RY keeps being communicated with normally opened contact 5, can the in the situation that of consume electric power not, maintain by electric loading 200 and work on thus, when second of master controller 100 drives mouthful MCU2 to continue output high level in Preset Time, reset control module 400 is controlled the resetting coil energising action in twin coil magnetic latching relay RY, so that the switch contact 3 of twin coil magnetic latching relay RY disconnects with normally opened contact 5.So, in the time of only need switching on and off with normally opened contact 5 at the switch contact 3 of control twin coil magnetic latching relay RY by electric load drive circuit, set coil and the resetting coil to twin coil magnetic latching relay RY provides electric energy respectively, and by twin coil magnetic latching relay RY, maintain load power source 500 and connect by electric loading 200 when with electric loading 200 work, thereby saved energy consumption, solved prior art too high problem of existing energy consumption when driving electricity consumption loaded work piece.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. by an electric load drive circuit, comprise master controller, when demand motive electricity consumption loaded work piece, first of described master controller drives a mouthful output high level lasting in Preset Time; When needs control quits work by electric loading, second of described master controller drives a mouthful output high level lasting in Preset Time; It is characterized in that:
Describedly by electric load drive circuit, also comprise:
Twin coil magnetic latching relay, set control module and reset control module;
The common pin of described twin coil magnetic latching relay connects dc source, the switch contact of described twin coil magnetic latching relay is connected respectively load power source and described by electric loading with normally opened contact, the set pin of described twin coil magnetic latching relay connects the control of Electric potentials end of described set control module, the reset pin of described twin coil magnetic latching relay connects the control of Electric potentials end of described reset control module, and the controlled end of the controlled end of described set control module and described reset control module is connected respectively first of described master controller and drives mouth and second to drive mouth;
When first of described master controller drives mouth to continue output high level in Preset Time, described set control module is controlled the set coil energising action in described twin coil magnetic latching relay, so that the switch contact of described twin coil magnetic latching relay is communicated with normally opened contact adhesive, and after described Preset Time finishes, first of described master controller drives a mouthful output low level, described set control module is controlled the set coil power-off in described twin coil magnetic latching relay, and the switch contact of described twin coil magnetic latching relay keeps being communicated with normally opened contact;
When second of described master controller drives mouth to continue output high level in Preset Time, described reset control module is controlled the resetting coil energising action in described twin coil magnetic latching relay, so that the switch contact of described twin coil magnetic latching relay and normally opened contact disconnect.
2. as claimed in claim 1 by electric load drive circuit, it is characterized in that, describedly by electric load drive circuit, also comprise the first diode and the second diode, the negative electrode of the negative electrode of described the first diode and described the second diode is connected to the common pin of described twin coil magnetic latching relay altogether, the set pin of twin coil magnetic latching relay described in the anodic bonding of described the first diode, the reset pin of twin coil magnetic latching relay described in the anodic bonding of described the second diode;
When first of described master controller drives while mouthful switching to low level output from high level output, described set control module makes the set coil power-off in described twin coil magnetic latching relay, and the energy of set coil discharges described in described the first diode pair;
When second of described master controller drives while mouthful switching to low level output from high level output, described reset control module makes the resetting coil power-off in described twin coil magnetic latching relay, and the energy of resetting coil discharges described in described the second diode pair.
3. the electric load drive circuit of using as claimed in claim 1, is characterized in that, described twin coil magnetic latching relay is that model is the relay of ADW1212TW.
4. the electric load drive circuit of using as claimed in claim 1, is characterized in that, described set control module comprises:
The first resistance, the second resistance and a NPN type triode;
The first end of described the first resistance is the controlled end of described set control module, the second end of described the first resistance and the first end of described the second resistance are connected to the base stage of a described NPN type triode altogether, the emitter stage of the second end of described the second resistance and a described NPN type triode is connected to ground, the control of Electric potentials end of the very described set control module of current collection of a described NPN type triode altogether.
5. the electric load drive circuit of using as claimed in claim 1, is characterized in that, described reset control module comprises:
The 3rd resistance, the 4th resistance and the 2nd NPN type triode;
The first end of described the 3rd resistance is the controlled end of described reset control module, the second end of described the 3rd resistance and the first end of described the 4th resistance are connected to the base stage of described the 2nd NPN type triode altogether, the emitter stage of the second end of described the 4th resistance and described the 2nd NPN type triode is connected to ground, the control of Electric potentials end of the very described reset control module of current collection of described the 2nd NPN type triode altogether.
6. an air-conditioner, comprises by electric loading, and it is characterized in that, described air-conditioner also comprises the electric load drive circuit of using as described in claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275539.3U CN203907889U (en) | 2014-05-27 | 2014-05-27 | Drive circuit of electricity load and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275539.3U CN203907889U (en) | 2014-05-27 | 2014-05-27 | Drive circuit of electricity load and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907889U true CN203907889U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420275539.3U Expired - Lifetime CN203907889U (en) | 2014-05-27 | 2014-05-27 | Drive circuit of electricity load and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993441A (en) * | 2020-01-06 | 2020-04-10 | 广东美的制冷设备有限公司 | Control circuit, method, device, relay, household electrical appliance and computer medium |
| CN119626838A (en) * | 2025-02-11 | 2025-03-14 | 深圳市科华恒盛科技有限公司 | Magnetic latching relay control circuit and charging pile |
-
2014
- 2014-05-27 CN CN201420275539.3U patent/CN203907889U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993441A (en) * | 2020-01-06 | 2020-04-10 | 广东美的制冷设备有限公司 | Control circuit, method, device, relay, household electrical appliance and computer medium |
| CN119626838A (en) * | 2025-02-11 | 2025-03-14 | 深圳市科华恒盛科技有限公司 | Magnetic latching relay control circuit and charging pile |
| CN119626838B (en) * | 2025-02-11 | 2025-07-04 | 深圳市科华恒盛科技有限公司 | Magnetic latching relay control circuit and charging pile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |