CN209057129U - Direct current generator condition indication circuit - Google Patents
Direct current generator condition indication circuit Download PDFInfo
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- CN209057129U CN209057129U CN201822099679.0U CN201822099679U CN209057129U CN 209057129 U CN209057129 U CN 209057129U CN 201822099679 U CN201822099679 U CN 201822099679U CN 209057129 U CN209057129 U CN 209057129U
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- light emitting
- emitting diode
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- direct current
- current generator
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Abstract
The utility model relates to Motor Control Fields, the utility model is to solve the problems, such as that the circuit serious forgiveness of existing instruction direct current generator working condition is lower, it is proposed a kind of direct current generator condition indication circuit, including control module and direct current generator, further include: the first relay, second relay, first light emitting diode and the second light emitting diode, the control module includes the first level output end mouth and second electrical level output port, while control module controls the working condition of direct current generator, utilize the characteristic of light emitting diode forward conduction, first light emitting diode and the second light emitting diode carry out corresponding state change, for compared with the existing technology, control module only needs storage computer program relevant to direct current generator working state control, reduce the requirement to control module, simplify computer program, it reduces Cost, improves serious forgiveness, and the user experience is improved, is suitable for smart home class product.
Description
Technical field
The utility model relates to Motor Control Fields, relate in particular to a kind of condition indication circuit.
Background technique
Currently, there are many smart home class products on the market, such as Intellective airer, intelligent curtain, intelligent door curtain and intelligence
Curtain etc., they can by control module realize clothes hanger automatic lifting, the automatic switch of curtain, door curtain and curtain,
People's lives are greatly facilitated, mainly passes through control module and the direction of the input current of direct current generator is controlled
System, and then realize the positive and negative rotation control of direct current generator, but general existing smart home class product without lifting or is beaten
Open and close state instruction, consumer are so that such product is lacked important work come distinguishing state by mechanical action
Index shows that user experience is poor.
Can indicate in the prior art direct current generator working condition indicating circuit be usually by status indicator lamp by after
The connection of Electrical Appliances & Control module, the disconnection that relay is controlled by computer program are attracted, and status indicator lamp is opened in realization
Operation is closed, but the switch state of this mode indicator light and the working condition relevance of direct current generator are poor, only passes through computer journey
Sequence is controlled, and to the more demanding of control module, serious forgiveness is lower.
Utility model content
The purpose of this utility model be to solve it is existing instruction direct current generator working condition circuit serious forgiveness it is lower
Problem proposes a kind of direct current generator condition indication circuit.
The utility model solves technical solution used by above-mentioned technical problem: direct current generator condition indication circuit, packet
Include control module and direct current generator, further includes: the first relay, the second relay, the first light emitting diode and second luminous two
Pole pipe, the control module include the first level output end mouth and second electrical level output port, first light emitting diode
Anode is connect with the stationary contact of the cathode of the second light emitting diode, one end of direct current generator and the second relay respectively, the first hair
The cathode of the optical diode stationary contact with the anode of the second light emitting diode, the other end of direct current generator and the first relay respectively
Connection, the normally opened contact of first relay are connect with the normally opened contact of the second relay, the normally opened contact of the first relay
Ground connection, the normally-closed contact of first relay are connect with the normally-closed contact of the second relay, the normally-closed contact of the first relay
It is connect with voltage input port, the first level output end mouth of the control module is defeated by the coil and voltage of the first relay
The second electrical level output port of inbound port connection, the control module is connected by the coil of the second relay and voltage input port
It connects.
Further, to avoid light emitting diode from burning, the direct current generator condition indication circuit further includes first resistor
And second resistance, the cathode of the first light emitting diode are connect by the first resistor with the anode of the second light emitting diode, the
One resistance is in parallel with the first light emitting diode, and the cathode of the second light emitting diode passes through the second resistance and the first light-emitting diodes
The anode connection of pipe, second resistance are in parallel with the second light emitting diode.
Further, to avoid direct current generator from burning, the direct current generator condition indication circuit further includes 3rd resistor, institute
The normally opened contact of the normally opened contact and the second relay of stating the first relay is grounded by the 3rd resistor respectively.
Further, to be convenient for the user to operate, the control module includes key module, and the key module includes direct current
Motor rotates forward key, direct current generator reverse button and pause button.
Further, to realize that the different conditions of direct current generator show different colors, first light emitting diode and
Second light emitting diode is double-colored common cathode light emitting diode.
The beneficial effects of the utility model are: direct current generator condition indication circuit described in the utility model, control module
While control the working condition of direct current generator, the characteristic of light emitting diode forward conduction, the first light-emitting diodes are utilized
Pipe and the second light emitting diode carry out corresponding state change, compared with the existing technology for, control module only need storage with it is straight
The relevant computer program of galvanic electricity machine working state control, without storing computer program relevant to LED status control,
The requirement to control module is reduced, computer program is simplified, is reduced costs, serious forgiveness is improved, improves user's body
It tests.
Detailed description of the invention
Fig. 1 is the circuit diagram of direct current generator condition indication circuit described in the utility model embodiment；
Description of symbols:
R1- first resistor；R2- second resistance；R3- 3rd resistor；The first light emitting diode of D1-；The second light-emitting diodes of D2-
Pipe；The first relay of K1-；The second relay of K2-；The coil of the first relay of KA1-；The coil of the second relay of KA2-；1-
The stationary contact of one relay；The normally opened contact of the first relay of 2-；The normally-closed contact of the first relay of 3-；The second relay of 4-
Stationary contact；The normally opened contact of the second relay of 5-；The normally-closed contact of the second relay of 6-；VO- voltage input port；Vup- first
Level output end mouth；Vdown- second electrical level output port.
Specific embodiment
The embodiments of the present invention is described in detail below in conjunction with attached drawing.
Direct current generator condition indication circuit described in the utility model controls mould when needing to control direct current generator rotating forward
Block the first level output end mouth exports low level, and second electrical level output port exports high level, the normally-closed contact of the first relay
It disconnects, the normally opened contact closure of the first relay, without movement, direct current generator obtains forward current for the contact of the second relay
It rotates forward, at the same time, the first light emitting diode is lighted, and the second light emitting diode extinguishes.
When needing to control direct current generator reversion, control module the first level output end mouth exports high level, second electrical level
Output port exports low level, and the normally-closed contact of the second relay disconnects, the normally opened contact closure of the second relay, the first relay
Without movement, direct current generator obtains reverse current reversion for the contact of device, and at the same time, the first light emitting diode extinguishes, and second
Light emitting diode is lighted.
When needing to control direct current generator pause, control module the first level output end mouth and second electrical level output port are equal
High level is exported, it is halted state that the first relay and the second relay, which are failure to actuate, and direct current generator does not have electric current to flow through, with
This simultaneously, the first light emitting diode and the second light emitting diode extinguish.
Embodiment
Direct current generator condition indication circuit described in the utility model embodiment, as shown in Figure 1, including control module and directly
Galvanic electricity machine M, further includes: the first relay K1, the second relay K2, the first light emitting diode D1 and the second light emitting diode D2,
Control module includes the first level output end mouth Vup and second electrical level output port Vdown, the anode of the first light emitting diode D1
It is connect respectively with the stationary contact 4 of the cathode of the second light emitting diode D2, one end of direct current generator M and the second relay K2, first
The cathode of the light emitting diode D1 other end and the first relay with the anode of the second light emitting diode D2, direct current generator M respectively
The stationary contact 1 of K1 connects, and the normally opened contact 2 of the first relay K1 is connect with the normally opened contact 5 of the second relay K2, the first relay
The normally opened contact 2 of device K1 is grounded, and the normally-closed contact 2 of the first relay K1 is connect with the normally-closed contact 6 of the second relay K2, and first
The normally-closed contact 3 of relay K1 is connect with voltage input port VO, and the first level output end mouth Vup of control module passes through first
The coil KA1 of relay K1 is connect with voltage input port VO, and the second electrical level output port Vdown of control module passes through second
The coil KA2 of relay K2 is connect with voltage input port VO.
Optionally, as shown in Figure 1, direct current generator condition indication circuit described in the present embodiment further include first resistor R1 and
The cathode of second resistance R2, the first light emitting diode D1 are connect by first resistor R1 with the anode of the second light emitting diode D2,
First resistor R1 is in parallel with the first light emitting diode D1, and the cathode of the second light emitting diode D2 passes through the hair of second resistance R2 and first
The anode connection of optical diode D1, second resistance R2 are in parallel with the second light emitting diode D2.
Wherein, first resistor R1 and second resistance R2 be current-limiting resistance, avoid light emitting diode because electric current it is excessive caused by damage
It is bad.
Optionally, as shown in Figure 1, direct current generator condition indication circuit described in the present embodiment further includes 3rd resistor R3,
The normally opened contact 5 of the normally opened contact 2 of first relay K1 and the second relay K2 are grounded by 3rd resistor R3 respectively.
Wherein, 3rd resistor R3 is current-limiting resistance, and direct current generator M is avoided to damage because electric current is excessive.
Optionally, the control module includes key module, and the key module includes that direct current generator rotates forward key, direct current
Motor reversal key and pause button.
User can be by key module come the first level output end mouth Vup and second electrical level output end to control module
The low and high level of mouth Vdown output is controlled, to realize the switching to direct current generator M working condition, and then is realized to intelligence
The lifting or switch control of energy household class product.
Optionally, the first light emitting diode D1 and the second light emitting diode D2 described in the present embodiment are double-colored total
Cathodoluminescence diode.
By double-colored common cathode light emitting diode, to make direct current generator M in different working conditions, light emitting diode is aobvious
Show different colors, keeps the instruction of direct current generator M working condition more intuitive.
The principle of its circuit is: when needing to control direct current generator M and rotating forward, press rotating forward key, the first of control module
Level output end mouth Vup exports low level, and second electrical level output port Vdown exports high level, the coil of the first relay K1
KA1 has electric current to flow through, the first relay K1 movement, specifically, the normally-closed contact 3 of the first relay K1 disconnects, the first relay
The normally opened contact 2 of K1 is closed, and the coil KA2 no current of the second relay K2 flows through, and the contact of the second relay K2 is without dynamic
Make, at this point, electric current passes through normally-closed contact 6, direct current generator M and the first relay of the second relay K2 from voltage input port VO
The normally opened contact 2 of K1 is formed into a loop to ground, and direct current generator M obtains forward current rotating forward, meanwhile, the first light emitting diode D1 is just
It lights, is displayed in red to conducting, the second light emitting diode D2 reversely ends extinguishing.
When needing to control direct current generator reversion, reverse button is pressed, the first level output end mouth Vup of control module is defeated
High level out, second electrical level output port Vdown export low level, and the coil KA2 of the second relay K2 has electric current to flow through, and second
Relay K2 movement, specifically, the normally-closed contact 6 of the second relay K2 disconnects, the normally opened contact 5 of the second relay K2 is closed,
The coil KA1 no current of first relay K1 flows through, and the contact of the first relay K1 is without movement, at this point, electric current is from voltage
Input port VO arrives ground by the normally opened contact 5 of the normally-closed contact 3 of the first relay K1, direct current generator M and the second relay K2,
Forming circuit, direct current generator M obtain reverse current reversion, meanwhile, the first light emitting diode D1 reversely ends extinguishing, and second shines
Diode D2 forward conduction electricity, display green.
When need to control direct current generator pause do not turn when, press pause button, the first level output end of control module
Mouth Vup and second electrical level output port Vdown exports high level, the coil KA1 of the first relay K1 and the second relay K2
Coil KA2 flowed through without electric current, therefore, the first relay K1 and the second relay K2 are failure to actuate, and direct current generator M is without electricity
Stream flows through, placed in a suspend state, meanwhile, the first light emitting diode D1 and the second light emitting diode D2 are in OFF state.
Claims (5)
1. direct current generator condition indication circuit, including control module and direct current generator, which is characterized in that further include: the first relay
Device, the second relay, the first light emitting diode and the second light emitting diode, the control module include the first level output end mouth
With second electrical level output port, first light emitting diode anode respectively with the cathode of the second light emitting diode, direct current
One end of machine is connected with the stationary contact of the second relay, the cathode of the first light emitting diode respectively with the second light emitting diode just
The stationary contact of pole, the other end of direct current generator and the first relay connects, the normally opened contact of first relay and second after
The normally opened contact of electric appliance connects, the normally opened contact ground connection of the first relay, the normally-closed contact of first relay and second after
The normally-closed contact of electric appliance connects, and the normally-closed contact of the first relay is connect with voltage input port, and the first of the control module
Level output end mouth is connect by the coil of the first relay with voltage input port, the second electrical level output of the control module
Port is connect by the coil of the second relay with voltage input port.
2. direct current generator condition indication circuit as described in claim 1, which is characterized in that further include first resistor and the second electricity
Resistance, the cathode of the first light emitting diode are connect by the first resistor with the positive of the second light emitting diode, first resistor and
First light emitting diode is in parallel, the anode that the cathode of the second light emitting diode passes through the second resistance and the first light emitting diode
Connection, second resistance are in parallel with the second light emitting diode.
3. direct current generator condition indication circuit as described in claim 1, which is characterized in that it further include 3rd resistor, described
The normally opened contact of the normally opened contact of one relay and the second relay is grounded by the 3rd resistor respectively.
4. direct current generator condition indication circuit as described in claim 1, which is characterized in that the control module includes key mould
Block, the key module include that motor rotates forward key, motor reversal key and pause button.
5. such as the described in any item direct current generator condition indication circuits of Claims 1-4, first light emitting diode and second
Light emitting diode is double-colored common cathode light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099679.0U CN209057129U (en) | 2018-12-13 | 2018-12-13 | Direct current generator condition indication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099679.0U CN209057129U (en) | 2018-12-13 | 2018-12-13 | Direct current generator condition indication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209057129U true CN209057129U (en) | 2019-07-02 |
Family
ID=67055048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822099679.0U Active CN209057129U (en) | 2018-12-13 | 2018-12-13 | Direct current generator condition indication circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209057129U (en) |
-
2018
- 2018-12-13 CN CN201822099679.0U patent/CN209057129U/en active Active
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