CN209374296U - A kind of interlocking structure of shift control circuit - Google Patents
A kind of interlocking structure of shift control circuit Download PDFInfo
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- CN209374296U CN209374296U CN201821792391.5U CN201821792391U CN209374296U CN 209374296 U CN209374296 U CN 209374296U CN 201821792391 U CN201821792391 U CN 201821792391U CN 209374296 U CN209374296 U CN 209374296U
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- gear
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- relay
- gear interface
- power supply
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Abstract
The utility model discloses a kind of interlocking structures of shift control circuit, including control module, interface module and multiple switch device, wherein the interface module has multiple gear interfaces, power supply is connect by multiple switching devices with multiple gear interfaces, multiple switching device movements are controlled to carry out mutual lock control to multiple gear interfaces by the control module, and work is safer and more reliable.
Description
Technical field
The utility model relates to technical field of electric appliances more particularly to a kind of interlocking structures of shift control circuit.
Background technique
Currently, directly driving mouth, control with cpu chip when common household electrical appliance are using loads such as relay control motors
The load such as relay driving motor processed, if cpu chip driving mouth damage, will lead to load, there are certain hidden danger and load damage
Possibility, it is insufficient there are designed reliability the problems such as.
Household electronic products, such as kitchen ventilator, gas heater, wall-hung boiler, clarifier, fan, motor wind speed have two gears
Or three gear, according to its function logic relationship, need switch motor wind speed low gear, middle gear or high gear, motor wind speed gear switch
In the process, any two are not allowed to keep out the wind fast while driving, the possibility for otherwise having damage to load.Under abnormal conditions, there are relays
Adhesion or cpu chip driving mouth failure, will lead to the possibility of two gear motor wind speed while driving, and then product safety event occurs
Barrier.
Utility model content
The utility model one of is intended to solve the problems, such as at least to a certain extent present in existing the relevant technologies, for this purpose,
The utility model proposes a kind of interlocking structure of shift control circuit, work is safer and more reliable.
Above-mentioned purpose is achieved by the following technical solution:
A kind of interlocking structure of shift control circuit, including control module, interface module and multiple switch device, wherein institute
Interface module is stated with multiple gear interfaces, power supply is connect by multiple switching devices with multiple gear interfaces, is led to
The multiple switching device movements of the control module control are crossed to carry out mutual lock control to multiple gear interfaces.
In some embodiments, it acts when by the multiple switching devices of control module control so that the electricity
When source is connected with a wherein gear interface, the power supply and other described gear interfaces are disconnected.
In some embodiments, the interface module includes multistage gear interface, and multiple switching devices are divided into more
Grade switching device, the power supply connect with multiple-pole switch devices in series, and every level-one switching device respectively with the gear of respective stages
Position interface connection.
In some embodiments, in multiple-pole switch device, final stage switching device has a connecting pin and a control terminal,
Remaining grade switching device all has two connecting pins and a control terminal, and a connecting pin of every level-one switching device and the gear of respective stages connect
Mouth connection, and another connecting pin of chopped-off head switching device is connect with the power supply, another connecting pin of remaining grade of switching device
It is connect respectively with its previous stage switching device, the control terminal of every level-one switching device is connect with the control module signal.
In some embodiments, multiple switching devices include first switch device and second switch device, wherein
The interface module has the first gear interface and the second gear interface, and power supply passes through the first switch device and described first
The connection of gear interface, is connect with the second gear interface by the first switch device, the second switch device, is passed through
The control module control the first switch device and the second switch device activity with to the first gear interface and
The second gear interface carries out mutual lock control.
In some embodiments, when the power supply and the first gear interface are connected, the power supply and described the
Two gear interfaces disconnect；
When the power supply and the second gear interface are connected, the power supply and the first gear interface are disconnected.
In some embodiments, the first switch device uses the first relay, and the second switch device uses
Second relay.
In some embodiments, first relay uses transfer contact type relay, and second relay is adopted
With normally opened contact type relay.
In some embodiments, the control module line with first relay, second relay respectively
Circle connection, by the control module control the coil electric and power loss；
First relay has the first movable contact, the first normally-closed contact and the first stationary contact, second relay
With the second movable contact and the second normally opened contact, the power supply is connect with first movable contact, first stationary contact and institute
The connection of the first gear interface is stated, first normally-closed contact is connect with second movable contact, second normally opened contact and institute
State the connection of the second gear interface.
In some embodiments, the first gear interface is low gear interface, and the second gear interface is height
Speed gear position interface.
The utility model compared with prior art, at least has the effect that
1, the interlocking structure of the shift control circuit of the utility model controls multiple switch device activity by control module
To carry out mutual lock control to multiple gear interfaces, so as to improve the safety and reliability of shift control circuit work, effectively keep away
Exempt from the generation of failure.
Other beneficial outcomes of the utility model will be explained in conjunction with attached drawing in a specific embodiment.
Detailed description of the invention
Fig. 1 is the schematic illustration of shift control circuit in the utility model embodiment one；
Fig. 2 is the circuit diagram of shift control circuit in the utility model embodiment one；
Fig. 3 is the circuit diagram of shift control circuit in the utility model embodiment three.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Embodiment one: as depicted in figs. 1 and 2, the present embodiment provides a kind of interlocking structures of shift control circuit, including
Control module 3, interface module 4 and multiple switch device, wherein interface module 4 has multiple gear interfaces, and power supply passes through multiple
Switching device is connect with multiple gear interfaces, controls multiple switch device activity to multiple gear interfaces by control module 3
Carry out mutual lock control, specifically, when by control module 3 control multiple switching devices act so that power supply and one of them
When gear interface is connected, power supply and other gear interfaces are disconnected.
The interlocking structure of the shift control circuit of the present embodiment, by control module 3 control multiple switch device activity with
Mutual lock control is carried out to multiple gear interfaces, so as to improve the safety and reliability of shift control circuit work, is effectively avoided
The generation of failure.
Preferably, interface module 4 includes multistage gear interface, and multiple switch device is divided into multiple-pole switch device, power supply with
The connection of multiple-pole switch devices in series, and every level-one switching device is connect with the gear interface of respective stages respectively.Specifically, multistage
In switching device, final stage switching device have a connecting pin and a control terminal, remaining grade of switching device all have two connecting pins and
One control terminal, a connecting pin of every level-one switching device and the gear interface of respective stages connect, and chopped-off head switching device is another
One connecting pin connects to power supply, and another connecting pin of remaining grade of switching device is connect with its previous stage switching device respectively, each
The control terminal of grade switching device is connect with 3 signal of control module, by 3 controller action of control module, specific connection type
It will hereinafter have a detailed description, but it is used as just this patent design is clearly described, and is not construed as protecting this patent
Protect the limitation of range.
In the present embodiment, multiple switch device includes first switch device 1 and second switch device 2, wherein interface mould
Block 4 has the first gear interface 401 and the second gear interface 402, and power supply L1 passes through first switch device 1 and the first gear interface
401 connections, are connect with the second gear interface 402 by first switch device 1, second switch device 2, are controlled by control module 3
First switch device 1 and second switch device 2 movement processed is to carry out mutually the first gear interface 401 and the second gear interface 402
Lock control.Specifically in the present embodiment, when power supply L1 and the first gear interface 401 are connected, power supply L1 and the second gear interface
402 disconnect；When power supply L1 and the second gear interface 402 are connected, power supply L1 and the first gear interface 401 are disconnected, i.e. power supply L1
It cannot be also turned on the first gear interface 401 and the second gear interface 402.
The interlocking structure of the shift control circuit of the present embodiment is realized by first switch device 1 and second switch device 2
Interlocking effectively avoids the generation of failure so as to improve the safety and reliability of shift control circuit work.
The interlocking structure of shift control circuit provided by the present embodiment can be solved effectively because of relay adhesion or CPU core
Piece drives mouth failure, and product load is led to problems such as to be out of order.Purpose is to promote the reliability and safety of product, guarantees to produce
The consistency of product.
Specifically, first switch device 1 uses the first relay, and second switch device 2 uses the second relay, work
Stablize, is reliable.In the present embodiment, the first relay uses transfer contact type relay, and the second relay uses normally opened contact
Type relay can more preferably realize the goal of the invention of the design with this.
In the present embodiment, control module 3 is connect with the coil of the first relay, the second relay respectively, passes through control
Module 3 controls the electric and power loss that obtains of the coil of the first relay, and the coil of the second relay of control obtains electric and power loss；First after
Electric appliance has the first movable contact 101, the first normally-closed contact 102 and the first stationary contact 103, and the second relay has the second movable contact
201 and second normally opened contact 202, power supply L1 connect with the first movable contact 101, the first stationary contact 103 and the first gear interface
401 connections, the first normally-closed contact 102 are connect with the second movable contact 201, the second normally opened contact 202 and the second gear interface 402
Connection.In addition, the first gear interface 401 is low gear interface, the second gear interface 402 is high speed gear interface, controls mould
Block 3 is driving circuit.
Its interlocking principle of shift control circuit provided by the present embodiment is explained as follows below:
1, low gear motor blast velocity control is being realized, control module 3 controls the second relay and do not work, at this time the second relay
The second movable contact 201 and the second normally opened contact 202 disconnect, while control module 3 controls the work of the first relay, at this time first
First movable contact 101 of relay and the first stationary contact 103 are connected, and are achieved in power supply L1 and the first gear interface 401 is connected,
Power supply L1 and the second gear interface 402 disconnect simultaneously.
2, high gear motor blast velocity control is being realized, control module 3 controls the first relay and do not work, at this time the first relay
In original state, i.e. the first movable contact 101 of the first relay and the first normally-closed contact 102 are connected, while control module 3
The work of the second relay is controlled, the second movable contact 201 of the second relay is connected with the second normally opened contact 202 at this time, real at this time
Existing power supply L1 and the second gear interface 402 are connected, while power supply L1 and the first gear interface 401 disconnect.
Even if 3, in abnormal cases, for example, relay adhesion or cpu chip driving mouth failure, the first relay and second
Relay works at the same time, and the first movable contact 101 of the first relay and the first stationary contact 103 are connected at this time, the second relay
Second movable contact 201 is connected with the second normally opened contact 202, and power supply L1 is also only to connect with the first gear interface 401 at this time, i.e.,
Load also can only be the work of low gear wind speed, and high gear wind speed does not work, the possibility for thus avoiding two gears from loading while driving, in turn
Avoid that there is a situation where product safety failures.
Embodiment two: as shown in Figure 3, the present embodiment provides a kind of interlocking structure of shift control circuit, the present embodiment
The difference is that, multiple switch device includes third relay 5, the 4th relay 6, the 5th relay 7 with embodiment one
With the 6th relay 8, interface module has low gear interface, middling speed gear interface, high speed gear interface and ultrahigh speed gear
Interface, wherein power supply is connect by third relay 5 with low gear interface, by third relay 5, the 4th relay 6 and
The connection of middling speed gear interface, is connect by third relay 5, the 4th relay 6, the 5th relay 7 with high speed gear interface, is led to
It crosses third relay 5, the 4th relay 6, the 5th relay 7, the 6th relay 8 to connect with ultrahigh speed gear interface gear, lead to
It crosses control module 3 and controls third relay 5, the 4th relay 6, the 5th relay 7 and the movement of the 6th relay 8 to bottom gear
Position interface, middling speed gear interface, high speed gear interface and ultrahigh speed gear interface carry out mutual lock control, specifically, control when passing through
Molding block 3 controls third relay 5, the 4th relay 6, the 5th relay 7 and the 6th relay 8 act so that power supply with wherein
When one gear interface is connected, power supply and other gear interfaces are disconnected, for example, when power supply and low gear interface are connected, electricity
Source and other three gear interfaces disconnect, in another example, when power supply and the connection of high speed gear interface, power supply and other three gears
Interface disconnects, i.e., any two of them gear interface cannot be also turned on, so as to improve the safety of shift control circuit work
And reliability, effectively avoid the generation of failure.
Certainly, the design theory can be applied to three shift control circuits perhaps five shift control circuits or six gear controls
Circuit processed, as long as multiple switch device activity can be controlled by control module 3 to be to the mutual lock control of multiple gear interfaces progress
It can.
Above-described is only some embodiments of the utility model.For those skilled in the art, not
Under the premise of being detached from the concept of the present invention, various modifications and improvements can be made, these belong to the utility model
Protection scope.
Claims (10)
1. a kind of interlocking structure of shift control circuit, which is characterized in that including control module (3), interface module (4) and multiple
Switching device, wherein the interface module (4) has multiple gear interfaces, power supply passes through multiple switching devices and multiple institutes
The connection of gear interface is stated, controls multiple switching device movements by the control module (3) to connect to multiple gears
Mouth carries out mutual lock control.
2. a kind of interlocking structure of shift control circuit according to claim 1, which is characterized in that when passing through the control
When the multiple switching devices of module (3) control are acted so that the power supply is connected with a wherein gear interface, the electricity
Source and other described gear interfaces disconnect.
3. a kind of interlocking structure of shift control circuit according to claim 2, which is characterized in that the interface module
It (4) include multistage gear interface, multiple switching devices are divided into multiple-pole switch device, the power supply and multiple-pole switch device string
Connection connection, and every level-one switching device is connect with the gear interface of respective stages respectively.
4. a kind of interlocking structure of shift control circuit according to claim 3, which is characterized in that multiple-pole switch device
In, final stage switching device has a connecting pin and a control terminal, remaining grade of switching device all has two connecting pins and a control terminal,
The gear interface of one connecting pin of every level-one switching device and respective stages connects, and another connecting pin of chopped-off head switching device with
The power supply connection, another connecting pin of remaining grade of switching device are connect with its previous stage switching device respectively, every level-one switch
The control terminal of device is connect with the control module (3) signal.
5. a kind of interlocking structure of shift control circuit according to any one of claims 1 to 4, which is characterized in that Duo Gesuo
Stating switching device includes first switch device (1) and second switch device (2), and there is the interface module (4) the first gear to connect
Mouth (401) and the second gear interface (402), power supply pass through the first switch device (1) and the first gear interface (401)
Connection, is connect by the first switch device (1), the second switch device (2) with the second gear interface (402),
The first switch device (1) is controlled by the control module (3) and the second switch device (2) is acted to described the
One gear interface (401) and the second gear interface (402) carry out mutual lock control.
6. a kind of interlocking structure of shift control circuit according to claim 5, which is characterized in that in the power supply and institute
When stating the connection of the first gear interface (401), the power supply and the second gear interface (402) are disconnected；
When the power supply and the second gear interface (402) are connected, the power supply and the first gear interface (401) are disconnected
It opens.
7. a kind of interlocking structure of shift control circuit according to claim 5, which is characterized in that the first switch device
Part (1) uses the first relay, and the second switch device (2) uses the second relay.
8. a kind of interlocking structure of shift control circuit according to claim 7, which is characterized in that first relay
Using transfer contact type relay, second relay uses normally opened contact type relay.
9. a kind of interlocking structure of shift control circuit according to claim 8, which is characterized in that the control module
(3) it is connect respectively with the coil of first relay, second relay, by described in the control module (3) control
Coil obtains electric and power loss；
First relay has the first movable contact (101), the first normally-closed contact (102) and the first stationary contact (103), described
Second relay has the second movable contact (201) and the second normally opened contact (202), the power supply and first movable contact
(101) it connects, first stationary contact (103) connect with the first gear interface (401), first normally-closed contact
(102) it is connect with second movable contact (201), second normally opened contact (202) and the second gear interface (402) are even
It connects.
10. a kind of interlocking structure of shift control circuit according to claim 5, which is characterized in that first gear
Interface (401) is low gear interface, and the second gear interface (402) is high speed gear interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821792391.5U CN209374296U (en) | 2018-11-01 | 2018-11-01 | A kind of interlocking structure of shift control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821792391.5U CN209374296U (en) | 2018-11-01 | 2018-11-01 | A kind of interlocking structure of shift control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374296U true CN209374296U (en) | 2019-09-10 |
Family
ID=67835540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821792391.5U Active CN209374296U (en) | 2018-11-01 | 2018-11-01 | A kind of interlocking structure of shift control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374296U (en) |
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2018
- 2018-11-01 CN CN201821792391.5U patent/CN209374296U/en active Active
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