CN204044544U - Based on the control device of CAN handle - Google Patents
Based on the control device of CAN handle Download PDFInfo
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- CN204044544U CN204044544U CN201420419224.1U CN201420419224U CN204044544U CN 204044544 U CN204044544 U CN 204044544U CN 201420419224 U CN201420419224 U CN 201420419224U CN 204044544 U CN204044544 U CN 204044544U
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- Prior art keywords
- handle
- relay coil
- switch
- electrical appliance
- controller
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Abstract
The utility model discloses a kind of control device based on CAN handle, comprise handle, the first switch, controller, relay coil, relay contact, electrical appliance, wherein said first switch-linear hybrid is on described handle, described handle is connected by CAN with the CAN port of described controller, and the first port of described controller is connected with the power supply port of described relay coil; Relay contact and electrical appliance are connected in series, and relay contact is the normally opened contact of described relay coil; Handle, when described first switch closes, triggers described controller and powers to described relay coil; Relay coil obtains electric, relay contact closure, so that described electrical appliance obtains electric work.Current signal is replaced by CAN signal and transmits by the utility model, completely eliminates electric ratio handle signal drift phenomenon, improves product reliability, advance; By being arranged on the first switch on handle, the control to electrical appliance power on/off can be realized.
Description
Technical field
The utility model relates to engineering machinery control field, particularly a kind of control device based on CAN handle.
Background technology
Hoister in large tonnage realizes four of crane operation by electric ratio handle large initiatively to do, and comprising: hoist, turn round, luffing, flexible.These functions are all carry out signal transacting by controller to realize action, therefore whether the signal stabilization of electric ratio handle directly determines the reliability of crane operation.
Existing electric ratio handle is furnished with current/voltage change-over panel, changes angle by handle, and export analog signals to controller, controller sends required instruction, the realization of completion logic action.But digital quantity, in transmitting procedure, easily causes signal drift, cause the problems such as heavy-duty machine automatic rotary.
Utility model content
In view of above technical matters, the utility model provides a kind of control device based on CAN handle, by CAN connecting handle and controller, current signal is replaced by CAN signal to transmit, completely eliminate electric ratio handle signal drift phenomenon, improve product reliability, advance.
According to an aspect of the present utility model, provide a kind of control device based on CAN handle, comprise handle, the first switch, controller, relay coil, relay contact, electrical appliance, wherein:
Described first switch-linear hybrid is on described handle, and described handle is connected by CAN with the CAN port of described controller, and the first port of described controller is connected with the power supply port of described relay coil;
Described relay contact and described electrical appliance are connected in series, and described relay contact is the normally opened contact of described relay coil;
Described handle, when described first switch closes, triggers described controller and powers to described relay coil; Described relay contact is closed when described relay coil obtains electric, so that described electrical appliance obtains electric work.
In an embodiment of the present utility model, described handle, when described first switch disconnects, disconnects to the power supply of described relay coil by triggering described controller; Described relay contact disconnects when described relay coil power-off, so that described electrical appliance quits work.
In an embodiment of the present utility model, described control device also comprises second switch, and described second switch is connected with the power supply port of described relay coil, wherein,
Described relay coil obtains electric when described second switch closes; The power-off when described second switch disconnects of described relay coil.
In an embodiment of the present utility model, described control device also comprises diode, described diode is arranged on the connecting line between the first port of described controller and the power supply port of described relay coil, and the conducting direction of described diode is the direction from the first port of described controller to described relay coil.
In an embodiment of the present utility model, described electrical appliance is loudspeaker or pilot lamp.
In an embodiment of the present utility model, described first switch is pushbutton switch.
Current signal, by CAN connecting handle and controller, is replaced by CAN signal and transmits, completely eliminate electric ratio handle signal drift phenomenon by the utility model, improves product reliability, advance; By being arranged on the first switch on handle, can realize by the control of CAN to electrical appliance power on/off simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the utility model based on a control device embodiment of CAN handle.
Fig. 2 is the schematic diagram of the utility model based on another embodiment of control device of CAN handle.
Fig. 3 is the schematic diagram of the utility model based on the another embodiment of control device of CAN handle.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing instructions.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is the schematic diagram of the utility model based on a control device embodiment of CAN (Controller Area Network, controller local area network) bus handle.As shown in Figure 1, the described control device based on CAN handle comprises handle, the first switch, controller, relay coil KM, relay contact KT, electrical appliance, wherein:
Described first switch-linear hybrid is on described handle, and described handle is connected by CAN with the CAN port of described controller, and the first port of described controller is connected with the power supply port of described relay coil KM.Namely described CAN handle, described controller and described relay coil are equivalent to form path of winding
Described relay contact KT and described electrical appliance are connected in series, and form electrical appliance branch road, described electrical appliance branch road and described path of winding are connected in parallel, and described relay contact KT is the normally opened contact of described relay coil KM.
Described handle, when described first switch closes, triggers described controller and powers to described relay coil KM; Described relay contact KT is closed when described relay coil KM obtains electric, so that described electrical appliance obtains electric work.
In an embodiment of the present utility model, described handle, when described first switch disconnects, disconnects to the power supply of described relay coil KM by triggering described controller; Described relay contact KT disconnects when described relay coil KM power-off, so that described electrical appliance quits work.
Based on the control device based on CAN handle that the utility model above-described embodiment provides, by CAN connecting handle and controller, current signal is replaced by CAN signal to transmit, completely eliminate electric ratio handle signal drift phenomenon, to control the operation of the engineering machinery such as such as crane better, improve product reliability, advance.
Meanwhile, the utility model above-described embodiment by being arranged on the first switch on handle, can realize by the control of CAN to electrical appliance power on/off.
In addition, the utility model, by the power on/off of pilot relay coil, controls the closed disconnection of relay contact in its parallel branch, and then controls the power on/off of electrical appliance; Compared to directly controlling the power on/off being connected electrical appliance with controller first port, the effect of the too high voltages damage that the uncontrolled device of protection electrical appliance exports can be played.
In an embodiment of the present utility model, described CAN handle is when described first switch closes, and send closure signal by CAN to described controller, described controller is when receiving closure signal, high level signal is provided, for described relay coil is powered to described relay coil; Described relay contact KT is closed when described relay coil KM obtains electric, so that described electrical appliance obtains electric work.
Described CAN handle is when described first switch disconnects, and send cut-off signal by CAN to described controller, described controller, when receiving cut-off signal, stops providing high level signal to described relay coil, described relay coil power-off; Described relay contact KT disconnects when described relay coil KM power-off, so that described electrical appliance quits work.
In an embodiment of the present utility model, described electrical appliance can be the electrical appliance such as loudspeaker, pilot lamp.
In an embodiment of the present utility model, when described electrical appliance be loudspeaker or pilot lamp time, the power on/off of loudspeaker or pilot lamp, namely horns blared or pilot lamp bright time, the suggesting effect to operator can be played.
In an embodiment of the present utility model, described first switch can be pushbutton switch.
In an embodiment of the present utility model, described control device can also comprise direct supply, circuit connected in series after described direct supply and described path of winding and described electrical appliance branch circuit parallel connection, namely be arranged on the main line after described path of winding and described electrical appliance branch circuit parallel connection, for described path of winding and described electrical appliance branch road are powered.
In an embodiment of the present utility model, described control device can also comprise fuse, and wherein said fuse is connected with described direct supply.When DC current is excessive, fuse can disconnect, thus can ensure that electrical equipment can not damage.
Fig. 2 is the schematic diagram of the utility model based on another embodiment of control device of CAN handle.Compared with embodiment illustrated in fig. 1, in the embodiment depicted in figure 2, described control device also comprises second switch, described second switch is connected with the power supply port of described relay coil KM, namely, after described second switch and the first switching branches in parallel, the power supply port being connected to described relay coil KM connects, and described first switching branches comprises described CAN handle and described controller, wherein
Described relay coil KM obtains electric when described second switch closes; Described relay contact KT is closed when described relay coil KM obtains electric, so that described electrical appliance obtains electric work.
Described relay coil KM power-off when described second switch disconnects; Described relay contact KT disconnects, so that electrical appliance quits work when described relay coil KM power-off.
Above-described embodiment of the present utility model, can realize the two ore control to electrical appliance power on/off, both can be controlled by the CAN signal of handle, and also directly can be controlled by second switch, thus improve Consumer's Experience, be convenient for users to operate.
In an embodiment of the present utility model, described second switch can be arranged on the panel board of the vehicles such as crane.
Fig. 3 is the schematic diagram of the utility model based on the another embodiment of control device of CAN handle.Compared with embodiment illustrated in fig. 2, in the embodiment shown in fig. 3, described control device also comprises diode, and described diode is arranged on the connecting line between the first port of described controller and the power supply port of described relay coil KM, wherein,
The conducting direction of described diode is the direction from the first port of described controller to described relay coil KM.
In the embodiment described in Fig. 2, during owing to controlling electrical appliance energising work by second switch, direct supply gives the first end confession electricity of controller by second switch always, is easy to like this cause puncturing of director port, causes the damage of a whole set of controller.
Based on this problem, applicant in the embodiment described in figure 3, utilize diode unilateral conduction characteristic, a diode is increased between controller and electrical appliance, in the process that electrical appliance is worked in second switch conducting, controller cannot directly and direct supply form loop, thus protect the director port that is connected with electrical appliance, avoid controller to damage under continued power, improve crane products safe reliability; Meanwhile, controller still obtains handle information by CAN, and controls the break-make of electrical appliance by CAN.
In embodiment described in Fig. 3, when second switch conducting, relay coil KM obtains electric, due to the protection of diode, the first port place circuit of the controller be connected with electrical appliance cannot form loop, simultaneously, relay contact KT closes, and electrical appliance place circuit forms loop, electrical appliance work; When second switch disconnects, relay coil KM power-off, meanwhile, relay contact KT disconnects, and electrical appliance place circuit forms open circuit, and electrical appliance quits work.When direct supply is excessive, insurance F disconnects, protection electrical equipment.Therefore, in the whole course of work of electrical appliance, controller cannot directly and direct supply form loop.
The utility model can be applied in the engineering machinery of such as crane, vehicle based on the control device of CAN handle, the operation of control engineering machinery, vehicle; The power on/off of the electrical appliances such as such as loudspeaker in described engineering machinery, vehicle can be controlled simultaneously.
By implementing the utility model, following beneficial effect can be obtained:
1, the utility model is by CAN connecting handle and controller, current signal is replaced by CAN signal to transmit, completely eliminate electric ratio handle signal drift phenomenon, to control the operation of the engineering machinery such as such as crane better, improve product reliability, advance.
2, the utility model is by being arranged on the first switch on handle, can realize by the control of CAN to electrical appliance power on/off.
3, the utility model is by the power on/off of pilot relay coil, controls the closed disconnection of relay contact in its parallel branch, and then controls the power on/off of electrical appliance; Compared to directly controlling the power on/off being connected electrical appliance with controller first port, the effect of the too high voltages damage that the uncontrolled device of protection electrical appliance exports can be played.
4, the utility model can realize the two ore control to electrical appliance power on/off, both can be controlled by the CAN signal of handle, and also directly can be controlled by second switch, thus improve Consumer's Experience, be convenient for users to operate
5, the utility model also utilizes diode unilateral conduction characteristic; a diode is increased between controller and electrical appliance; make electrical appliance in the course of the work; controller cannot form loop with direct supply; thus protect the director port be connected with electrical appliance; avoid controller to damage under continued power, improve crane products reliability.
So far, the utility model is described in detail.In order to avoid covering design of the present utility model, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
Description of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (6)
1. based on a control device for CAN handle, it is characterized in that, comprise handle, the first switch, controller, relay coil, relay contact, electrical appliance, wherein:
Described first switch-linear hybrid is on described handle, and described handle is connected by CAN with the CAN port of described controller, and the first port of described controller is connected with the power supply port of described relay coil;
Described relay contact and described electrical appliance are connected in series, and described relay contact is the normally opened contact of described relay coil;
Described handle, when described first switch closes, triggers described controller and powers to described relay coil; Described relay contact is closed when described relay coil obtains electric, so that described electrical appliance obtains electric work.
2. control device according to claim 1, is characterized in that, described handle, when described first switch disconnects, disconnects to the power supply of described relay coil by triggering described controller; Described relay contact disconnects when described relay coil power-off, so that described electrical appliance quits work.
3. control device according to claim 1 and 2, is characterized in that, also comprises second switch, and described second switch is connected with the power supply port of described relay coil, wherein,
Described relay coil obtains electric when described second switch closes; The power-off when described second switch disconnects of described relay coil.
4. control device according to claim 3, it is characterized in that, also comprise diode, described diode is arranged on the connecting line between the first port of described controller and the power supply port of described relay coil, and the conducting direction of described diode is the direction from the first port of described controller to described relay coil.
5. control device according to claim 1, is characterized in that, described electrical appliance is loudspeaker or pilot lamp.
6. control device according to claim 1, is characterized in that, described first switch is pushbutton switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419224.1U CN204044544U (en) | 2014-07-28 | 2014-07-28 | Based on the control device of CAN handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419224.1U CN204044544U (en) | 2014-07-28 | 2014-07-28 | Based on the control device of CAN handle |
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| Publication Number | Publication Date |
|---|---|
| CN204044544U true CN204044544U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419224.1U Expired - Fee Related CN204044544U (en) | 2014-07-28 | 2014-07-28 | Based on the control device of CAN handle |
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| Country | Link |
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| CN (1) | CN204044544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114508A (en) * | 2016-07-05 | 2016-11-16 | 徐州徐工筑路机械有限公司 | A kind of land leveller control system with cruise function and control method |
-
2014
- 2014-07-28 CN CN201420419224.1U patent/CN204044544U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114508A (en) * | 2016-07-05 | 2016-11-16 | 徐州徐工筑路机械有限公司 | A kind of land leveller control system with cruise function and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20200728 |