CN209183461U - The driving device of air conditioner and relay - Google Patents
The driving device of air conditioner and relay Download PDFInfo
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- CN209183461U CN209183461U CN201822068712.3U CN201822068712U CN209183461U CN 209183461 U CN209183461 U CN 209183461U CN 201822068712 U CN201822068712 U CN 201822068712U CN 209183461 U CN209183461 U CN 209183461U
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- relay
- resistance
- power supply
- driving device
- switching power
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Abstract
This application discloses the driving devices of a kind of air conditioner and relay, wherein the driving device of relay includes: at least one relay；Switching Power Supply, Switching Power Supply export first voltage；The reducing transformer being connected between the output end of Switching Power Supply and at least one relay, at least one relay is given in output after the first voltage of Switching Power Supply is converted to second voltage by reducing transformer.According to the driving device of the relay of the application, it can be depressured with current limliting by increasing reducing transformer between Switching Power Supply output and relay, not only effectively reduce relay power consumption, and reduce the cost of frequency-variable controller.
Description
Technical field
This application involves air-conditioning technical field, in particular to the driving device of a kind of air conditioner and relay.
Background technique
In frequency-variable controller, the exportable plurality of voltages of transformer switch power supply is used for different loads；It is switched in BUCK
In power supply, by 1 all loads of tunnel output driving controller, output voltage is traditionally arranged to be 15V.However, directly passing through the electricity
Pressure driving relay, is easy to cause power consumption larger；And increase voltage conversion circuit to realize, then it can greatly increase frequency-variable controller
Cost, have to be solved.
Utility model content
The application solves in the prior art by providing the driving device of a kind of air conditioner and relay through switch electricity
Source directly powers to relay drive circuit, the technical problem for causing relay power consumption larger, realizes the reduction of relay power consumption,
The usable floor area of printed circuit board (Printed Circuit Board, abbreviation PCB) can be not only reduced, but also can be big
The big cost for reducing frequency converter.
To achieve the goals above, this application provides a kind of driving devices of relay, comprising: at least one relay
Device；Switching Power Supply, the Switching Power Supply export first voltage；Be connected to the Switching Power Supply output end and it is described at least one
Reducing transformer between relay, the reducing transformer first voltage of the Switching Power Supply is converted to export after second voltage to
At least one described relay.
Further, the reducing transformer includes: first resistor, the first end of the first resistor and the Switching Power Supply phase
Even；Second resistance, the first end of the second resistance are connected with the second end of the first resistor, and the first of the second resistance
End is the output end of the reducing transformer, the second end ground connection of the second resistance.
Further, the driving device of above-mentioned relay, further includes: controller, the controller and described at least one
The control terminal of a relay is connected.
Further, the reducing transformer includes multiple concatenated diodes, and the multiple concatenated diode is sequentially connected,
The anode of first diode is connected with the Switching Power Supply, and the cathode of N diode is the output end of the reducing transformer.
Further, the reducing transformer, further includes: 3rd resistor, the first end of the 3rd resistor and switch electricity
Source is connected, and the second end of the 3rd resistor is connected with the multiple concatenated diode.
Further, the reducing transformer, further includes: the 4th resistance, the first end of the 4th resistance and the multiple string
The diode of connection is connected, and the second end of the 4th resistance is the output end of the reducing transformer.
Further, the reducing transformer, further includes: the 5th resistance, the first end of the 5th resistance and switch electricity
Source is connected, and the second end of the 5th resistance is connected with the multiple concatenated diode；6th resistance, the 6th resistance
First end is connected with the multiple concatenated diode, and the second end of the 6th resistance is the output end of the reducing transformer.
Further, the reducing transformer includes multiple concatenated resistance.
Further, the control signal that the controller issues can be high level signal or low level signal.
Further, the driving device of above-mentioned relay, further includes: multiple controllers are used for emissioning controling signal；Place
Circuit is managed, the first output limb of the processing circuit is connected to third output limb at least one described relay, described
4th input limb of processing circuit is connected to the 6th input limb with the multiple controller one-to-one correspondence, the processing circuit
The 7th input limb be connected with the Switching Power Supply.
Further, the processing circuit is driving chip.
To achieve the goals above, this application provides a kind of air conditioners comprising the driving device of above-mentioned relay.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1, due in the application, the first voltage of Switching Power Supply can be converted to by reducing transformer defeated after second voltage
At least one relay is given out.As a result, by being dropped with current limliting in Switching Power Supply output and multiple diodes of connecting between relay
Pressure realizes the reduction of relay power consumption, solves and is directly powered in the prior art to relay drive circuit by Switching Power Supply,
The technical problem for causing relay power consumption larger can not only reduce the usable floor area of printing board PCB, but also can be big
The big cost for reducing frequency converter.
2, one embodiment of the application, by Switching Power Supply output and multiple resistance of connecting between relay, with current limliting
Decompression, can not only reduce the usable floor area of printing board PCB, but also can substantially reduce the cost of frequency converter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the driving device of relay in the related technology；
Fig. 2 is the block diagram according to the driving device of the relay of the utility model embodiment；
Fig. 3 is the structural schematic diagram according to the driving device of the relay of the utility model one embodiment；
Fig. 4 is the structural schematic diagram according to the driving device of the relay of the utility model another embodiment；
Fig. 5 is the structural schematic diagram according to the driving device of the relay of the utility model another embodiment；
Fig. 6 is the structural schematic diagram according to the driving device of the relay of the utility model further embodiment；
Fig. 7 is the structural schematic diagram according to the driving device of the relay of the utility model a still further embodiment；
Fig. 8 is the structural schematic diagram according to the driving device of the relay of the utility model another embodiment；
Fig. 9 is the block diagram according to the air conditioner of the utility model embodiment.
Specific embodiment
The application exports after the first voltage of Switching Power Supply being converted to second voltage by reducing transformer at least
One relay.As a result, by increasing reducing transformer between Switching Power Supply output and relay, it is depressured with current limliting, realizes relay
The reduction of device power consumption solves and is directly powered in the prior art to relay drive circuit by Switching Power Supply, leads to relay
The larger technical problem of power consumption can not only reduce the usable floor area of printing board PCB, but also can substantially reduce frequency conversion
The cost of device.
In order to better understand the above technical scheme, the exemplary reality of the disclosure is more fully described below with reference to accompanying drawings
Apply example.Although showing the exemplary embodiment of the disclosure in attached drawing, it being understood, however, that may be realized in various forms this public affairs
It opens and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
It is open, and the scope of the present disclosure can be fully disclosed to those skilled in the art.
It is first simple to introduce lower the relevant technologies before the driving device of the air conditioner and relay of introducing the embodiment of the present application
In relay drive circuit.
As shown in Figure 1, the relay drive circuit specifically includes that multiple relays (such as relay 11, relay
12 ... ..., relay 1N) and power supply U.
Wherein, controlling signal (such as control signal 1, controlling signal 2 ... ..., control signal N) can believe for low and high level
Number, by taking Q1 as an example, when for high level, Q1 conducting, relay contact closure, relay work；When for low level, Q1 is cut
Only, relay contact disconnects, and relay stops working；This control mode, which needs relay to remain powered on, could maintain work,
And power supply output only has 15V, electric power output voltage U all the wayOutputDirectly drive in the driving device of the relay it is in parallel it is N number of after
Electric appliance (such as relay 11, relay 12 ... ..., relay 1N), relay power consumption can be calculated by the following formula:
However, causing relay power consumption larger since power supply U is to directly drive relay.
Therefore, the application is based on the above problem, and a kind of driving device of the air conditioner and relay proposed.
The driving device of the air conditioner and relay that are proposed according to the embodiment of the present application is described with reference to the accompanying drawings.
Fig. 2 is the block diagram of the driving device of the relay of the embodiment of the present application.As shown in Fig. 2, the relay
Driving device 10 includes: at least one relay 100, Switching Power Supply 200 and reducing transformer 300.
Wherein, Switching Power Supply 200 exports first voltage；It is connected to the output end and at least one relay of Switching Power Supply 200
Reducing transformer 300 between device 100, reducing transformer 300 can be converted to the first voltage of Switching Power Supply 200 after second voltage
It exports and gives at least one relay 100.
It is understood that Switching Power Supply 200 can export first voltage, for example, first voltage can be 15V, relay
The calculation formula of device power consumption can be as shown in formula (2):
Relay power consumption and relay driving voltage is square directly proportional it can be seen from formula (2), with relay coil
Resistor coupled in parallel value is inversely proportional.Therefore, it in the case where relay-coil resistance parallel value is constant, can be driven by reducing relay
Dynamic voltage reduces relay power consumption.One is connected between at least one relay 100 for example, can export in Switching Power Supply 100
The first voltage of Switching Power Supply 200 is converted to second voltage by reducing transformer 300, to reduce relay driving voltage, is realized
The reduction of relay power consumption, solve in the related technology by Switching Power Supply directly to relay drive circuit power, cause after
The larger technical problem of power consumption of electrical appliances.The usable floor area of PCB can be not only reduced as a result, but also can substantially reduce frequency conversion
The cost of device.
Optionally, according to one embodiment of the application, reducing transformer 300 includes: first resistor and second resistance.Wherein,
The first end of first resistor is connected with Switching Power Supply.The first end of second resistance is connected with the second end of first resistor, the second electricity
The first end of resistance is the output end of reducing transformer 300, the second end ground connection of second resistance.
It is understood that the embodiment of the present application reducing transformer 300 can also include: first resistor and second resistance.Pass through
The first end of first resistor is connected with Switching Power Supply, the first end of second resistance is connected with the second end of first resistor, and will
The first end of second resistance is as the output end for reducing transformer 300, and the second end of second resistance is grounded, and current limliting drop may be implemented
The effect of pressure can equally make the reduction of relay driving voltage, to reduce the power consumption of relay.Wherein, relay power consumption
Calculation method includes that the calculation method of multiple concatenated diodes is consistent with above-mentioned reducing transformer 300, to reduce redundancy, is not done herein
It is described in detail.
Further, according to one embodiment of the application, the driving device of above-mentioned relay, further includes: controller.
Wherein, controller is connected with the control terminal of at least one relay 100.
Wherein, according to one embodiment of the application, control signal that controller 300 issues can for high level signal or
Person's low level signal.
It is understood that as shown in figure 3, the embodiment of the present application can also issue multiple control signal by controller
(such as control signal 1, signal 2 ... ... is controlled, controls signal n), respectively corresponds control multiple relay (such as relay K1, relays
Device K2 ... ..., relay Kn).That is, the driving device of the relay can by controller issue control signal 1 come
It controls relay K1 and inputs S1, controller issues the control control of signal 2 relay K2 and inputs S2 ... ..., and controller issues control
Signal n controls relay Kn and inputs Sn.
Optionally, according to one embodiment of the application, reducing transformer 300 may include multiple concatenated diodes (such as
One diode D1, the second diode D2 ... ..., the n-th diode Dn), multiple concatenated diodes are sequentially connected, first diode
Anode be connected with Switching Power Supply 200, the cathode of N diode is the output end of reducing transformer 300.
For example, as shown in figure 3, Switching Power Supply 200 export first voltage be 15V, the output end of Switching Power Supply 200 with
Reducing transformer 300 is connected, and reducing transformer 300 includes multiple concatenated diodes, for example, first diode D1, the second diode
D2 ... ..., the n-th diode Dn series connection.Pressure drop can be generated when diode forward conducting, wherein the pressure drop can be diode
Minimum voltage when forward conduction, for example, pressure drop can be 0.7v, to reduce relay driving by multiple diodes of connecting
Voltage.Wherein, relay driving voltage can be calculated by formula (3):
Therefore, because relay driving voltage reduces, so that relay lower power consumption.That is, in Switching Power Supply 200
Under output voltage unanimous circumstances, the relay power consumption 1 of the relay power consumption 2 of the embodiment of the present application < in the related technology.
Optionally, according to one embodiment of the application, as shown in figure 4, reducing transformer 300 includes: 3rd resistor.Wherein,
The first end of 3rd resistor is connected with Switching Power Supply 200, and the second end of 3rd resistor is connected with multiple concatenated diodes.
Specifically, as shown in figure 4, the embodiment of the present application can Switching Power Supply 200 and at least one relay 100 it
Between be provided with 3rd resistor and multiple concatenated diodes, to play the role of decompression.To reduce relay driving voltage, into
And reduce relay loss.It should be noted that being connected by being provided with 3rd resistor and multiple concatenated diodes with above-mentioned
Multiple diodes are consistent come the mode for reducing relay driving voltage, to avoid redundancy, are not described in detail herein.
Optionally, according to one embodiment of the application, as shown in figure 5, reducing transformer 300 may include: the 4th resistance.Its
In, the first end of the 4th resistance is connected with multiple concatenated diodes, and the second end of the 4th resistance is the output end of reducing transformer.
Specifically, as shown in figure 5, the embodiment of the present application can Switching Power Supply 200 and at least one relay 100 it
Between be provided with multiple concatenated diodes and the 4th resistance, to play the role of decompression.To reduce relay driving voltage, into
And reduce relay loss.It should be noted that being connected by being provided with the 4th resistance and multiple concatenated diodes with above-mentioned
Multiple diodes are consistent come the mode for reducing relay driving voltage, to avoid redundancy, are not described in detail herein.
Optionally, as shown in fig. 6, according to one embodiment of the application, reducing transformer 300 may include: the 5th resistance and
6th resistance.Wherein, the first end of the 5th resistance is connected with Switching Power Supply 200, the second end of the 5th resistance with it is multiple concatenated
Diode is connected.The first end of 6th resistance is connected with multiple concatenated diodes, and the second end of the 6th resistance is reducing transformer
300 output end.
Specifically, as shown in fig. 6, the embodiment of the present application can Switching Power Supply 200 and at least one relay 100 it
Between be provided with the 5th resistance, multiple concatenated diodes and the 6th resistance, to play the role of decompression.To reduce relay
Device driving voltage, and then reduce relay loss.It should be noted that by being provided with the 5th resistance, multiple concatenated two poles
Pipe and the 6th resistance are consistent come the mode for reducing relay driving voltage with the multiple diodes of above-mentioned series connection, to avoid redundancy,
It is not described in detail herein.
Further, as shown in fig. 7, according to another embodiment of the application, reducing transformer 300 may include multiple series connection
Resistance.
It is understood that partial pressure can be played the role of by multiple resistance of connecting in circuit, so as to significantly
Reduce relay driving voltage.Wherein, relay driving voltage can be calculated by formula (4):
Relay driving voltage=switch power source output voltage-UThe sum of series resistance；(4)
Therefore, because relay driving voltage reduces, so that relay lower power consumption.That is, in Switching Power Supply 200
Under output voltage unanimous circumstances, the relay power consumption 1 of the relay power consumption 3 of the embodiment of the present application < in the related technology.
Further, as shown in figure 8, according to one embodiment of the application, the driving device of above-mentioned relay is also wrapped
Include: multiple controllers are used for emissioning controling signal；The first output limb to the third of processing circuit, processing circuit exports limb
It is connected at least one relay, the 4th input limb to the 6th input limb and multiple controllers of processing circuit corresponds
It is connected, the 7th input limb of processing circuit is connected with Switching Power Supply 200.
Further, according to one embodiment of the application, processing circuit can be driving chip.
It is understood that the 4th input limb of driving chip is extremely as shown in figure 8, driving chip can be ULN2003
6th input limb can receive the control signal of controller sending, and the first output limb to the third of driving chip exports limb
It is connected at least one relay, to drive relay after it will control signal and be converted to driving signal.
It, can be by reducing transformer by the first of Switching Power Supply according to the driving device for the relay that the embodiment of the present application proposes
At least one relay is given in output after voltage is converted to second voltage.As a result, by Switching Power Supply output with relay it
Between increase reducing transformer, be depressured with current limliting, realize relay power consumption reduction, solve in the prior art by Switching Power Supply it is direct
It powers to relay drive circuit, the technical problem for causing relay power consumption larger can not only reduce printing board PCB
Usable floor area, but also the cost of frequency converter can be substantially reduced.
As shown in figure 8, the embodiment of the present application also proposed a kind of air conditioner 20, which includes above-mentioned relay
Driving device 10.
According to the air conditioner that the embodiment of the present application proposes, the first voltage of Switching Power Supply can be converted to by reducing transformer
It is exported after second voltage and gives at least one relay.It is depressured as a result, by increasing between Switching Power Supply output and relay
Device is depressured with current limliting, realizes the reduction of relay power consumption, is solved and is directly driven in the prior art to relay by Switching Power Supply
Dynamic circuit power supply, the technical problem for causing relay power consumption larger can not only reduce the usable floor area of printing board PCB,
But also the cost of frequency converter can be substantially reduced.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computer journeys
Sequence instruct to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
A machine is generated, so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The application can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (12)
1. a kind of driving device of relay characterized by comprising
At least one relay；
Switching Power Supply, the Switching Power Supply export first voltage；
The reducing transformer being connected between the output end of the Switching Power Supply and at least one described relay, the reducing transformer is by institute
The first voltage for stating Switching Power Supply is converted to output at least one relay to described in after second voltage.
2. the driving device of relay as described in claim 1, which is characterized in that the reducing transformer includes:
First resistor, the first end of the first resistor are connected with the Switching Power Supply；
Second resistance, the first end of the second resistance are connected with the second end of the first resistor, and the of the second resistance
One end is the output end of the reducing transformer, the second end ground connection of the second resistance.
3. the driving device of relay as described in claim 1, which is characterized in that further include:
Controller, the controller are connected with the control terminal of at least one relay.
4. the driving device of relay as described in claim 1, which is characterized in that the reducing transformer includes multiple concatenated two
Pole pipe, the multiple concatenated diode are sequentially connected, and the anode of first diode is connected with the Switching Power Supply, bis- pole N
The cathode of pipe is the output end of the reducing transformer.
5. the driving device of relay as claimed in claim 4, which is characterized in that the reducing transformer, further includes:
3rd resistor, the first end of the 3rd resistor are connected with the Switching Power Supply, the second end of the 3rd resistor and institute
Multiple concatenated diodes are stated to be connected.
6. the driving device of relay as claimed in claim 4, which is characterized in that the reducing transformer, further includes:
The first end of 4th resistance, the 4th resistance is connected with the multiple concatenated diode, and the of the 4th resistance
Two ends are the output end of the reducing transformer.
7. the driving device of relay as claimed in claim 4, which is characterized in that the reducing transformer, further includes:
The first end of 5th resistance, the 5th resistance is connected with the Switching Power Supply, the second end of the 5th resistance and institute
Multiple concatenated diodes are stated to be connected；
The first end of 6th resistance, the 6th resistance is connected with the multiple concatenated diode, and the of the 6th resistance
Two ends are the output end of the reducing transformer.
8. the driving device of relay as described in claim 1, which is characterized in that the reducing transformer includes multiple concatenated electricity
Resistance.
9. such as the driving device of the described in any item relays of claim 1-8, which is characterized in that the control that the controller issues
Signal processed is high level signal or low level signal.
10. the driving device of relay as described in claim 1, which is characterized in that further include:
Multiple controllers are used for emissioning controling signal；
The first output limb to the third of processing circuit, the processing circuit exports limb and at least one described relay phase
Even, the 4th input limb of the processing circuit is connected to the 6th input limb with the multiple controller one-to-one correspondence, described
7th input limb of processing circuit is connected with the Switching Power Supply.
11. the driving device of relay as claimed in claim 10, which is characterized in that the processing circuit is driving chip.
12. a kind of air conditioner, which is characterized in that the driving device including such as described in any item relays of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068712.3U CN209183461U (en) | 2018-12-10 | 2018-12-10 | The driving device of air conditioner and relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068712.3U CN209183461U (en) | 2018-12-10 | 2018-12-10 | The driving device of air conditioner and relay |
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| Publication Number | Publication Date |
|---|---|
| CN209183461U true CN209183461U (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822068712.3U Active CN209183461U (en) | 2018-12-10 | 2018-12-10 | The driving device of air conditioner and relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508775A (en) * | 2020-03-17 | 2020-08-07 | 厦门芯阳科技股份有限公司 | Serial relay driving circuit and driving method |
-
2018
- 2018-12-10 CN CN201822068712.3U patent/CN209183461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508775A (en) * | 2020-03-17 | 2020-08-07 | 厦门芯阳科技股份有限公司 | Serial relay driving circuit and driving method |
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