CN202837874U - Line multiplexing device and engineering machinery - Google Patents
Line multiplexing device and engineering machinery Download PDFInfo
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- CN202837874U CN202837874U CN 201220503043 CN201220503043U CN202837874U CN 202837874 U CN202837874 U CN 202837874U CN 201220503043 CN201220503043 CN 201220503043 CN 201220503043 U CN201220503043 U CN 201220503043U CN 202837874 U CN202837874 U CN 202837874U
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- multiplex circuit
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
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Abstract
The utility model provides a line multiplexing device, including an input multiplexing circuit board and a controller. The input multiplexing circuit board comprises a plurality of first input ports and at least one first output port, and the plurality of first input ports are respectively connected to corresponding signal sources. The controller sends a signal source selection instruction to the input multiplexing circuit board according to the current real-time condition. The input multiplexing circuit board selects the first input port according to the signal source selection instruction sent by the controller, and conducts a signal transmission line between the selected first input port and the corresponding first output port to acquire the corresponding signals. Based on the other aspect of the utility model, the utility model also provides an engineering machinery. Through the technical scheme of the utility model, the complexity of the line can be reduced, and the application need of multiple ports is satisfied, so that the resource utilization is optimized, and the system cost is reduced.
Description
Technical field
The utility model relates to circuit field, in particular to a kind of line sharing device and a kind of engineering machinery.
Background technology
At present, the electric control system of concrete mixer adopts PLC or dedicated control system mostly, and use various sensors to detect the real-time status of pump truck, such as temperature sensor, displacement transducer or pressure transducer, use the executive components such as solenoid valve or relay, pump truck pumping, supporting leg or jib are operated, finish various tasks, to reach at a high speed reliably control.
The input signal of control system receiving sensor, carrying out processing and the action of signal judges, then each performance element is sent action command, the transmission of these signals all needs sensor or performance element to be linked into correspondingly the port that inputs or outputs of controller.Along with the expanded application of the every new technology of pump truck, such as intelligent arm support, anti-tipping early warning and jib vibration damping etc., the input and output port that controller needs is also more and more, therefore has a large amount of technical matterss.
At first, along with the increase of sensor and topworks, the transmission electric wire is also more and more, and this has increased the complexity of wire harness, is unfavorable for again optimizing line arrangement, and has increased cost.Secondly, the complexity of transmission electric wire is higher, and the trouble spot is just more, the investigation work when being unfavorable for breaking down.Again, along with the increase of sensor and topworks, controller needs more input and output port, could satisfy application requirements.At last, because the increase of control port, the needed resource of control program also will increase, and each control port needs independent resource to process, and has increased the complexity of program.
The utility model content
The utility model just is being based on the problems referred to above, has proposed a kind of line sharing device, can reduce the complexity of circuit, and satisfies the application demand of multiport, thereby optimizes the utilization of resources, reduces system cost.
In view of this, the utility model proposes a kind of line sharing device, comprise input multiplex circuit plate, controller, wherein: the input multiplex circuit plate, comprise a plurality of first input end mouths and at least one first output port, and described a plurality of first input end mouth is connected to respectively corresponding signal source; Described controller is according to current real-time conditions, to described input multiplex circuit plate transmitted signal source select command; Described input multiplex circuit buttress is selected the first input end mouth according to the signal source select command that controller sends, and the selected first input end mouth and the signal transmission line between corresponding the first output port of conducting, to obtain the signal of correspondence.
In this technical scheme, according to real-time conditions with the input port of input multiplex circuit plate and corresponding output port conducting, realized the multiplexing of same winding collection of letters port, can reduce significantly the complexity of circuit, when satisfying the multiport application, optimized again configuration, and it has reduced system cost.The real-time conditions here can be for default time conditions, geographic position condition, receive user's real-time command etc.
In technique scheme, preferably, described input multiplex circuit plate comprises the first port selecting arrangement, wherein: described the first port selecting arrangement is according to described signal source select command, from described a plurality of first input end mouths, select at least one first input end mouth, and the selected first input end mouth of conducting and the signal transmission line between corresponding the first output port, to obtain corresponding signal.
In above-mentioned arbitrary technical scheme, preferably, also comprise: output multiplex circuit plate, be provided with at least one second input port and a plurality of the second output port on the described output multiplex circuit plate, described a plurality of the second output ports are connected to respectively corresponding performance element; Described output multiplex circuit buttress is according to the performance element select command from described controller, from described a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
In this technical scheme, will export the output port of multiplex circuit plate and corresponding input port conducting according to control order, realize the multiplexing of same group of output signal port, thereby further reduced the complexity of system line.
In above-mentioned arbitrary technical scheme, preferably, described output multiplex circuit plate comprises the second port selecting arrangement, described the second port selecting arrangement is according to the performance element select command from described controller, from described a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
In above-mentioned arbitrary technical scheme, preferably, described input multiplex circuit plate comprises first output port, and described output multiplex circuit plate comprises second input port.
In above-mentioned arbitrary technical scheme, preferably, described performance element comprises solenoid valve, proportioning valve and/or relay.
In above-mentioned arbitrary technical scheme, preferably, described the first port selecting arrangement comprises the switchgear that is arranged between described first input end mouth and described the first output port, is used for basis from the signal source select command conducting of described controller or disconnects corresponding circuit; Described the second port selecting arrangement comprises the switchgear that is arranged between described the second input port and described the second output port, is used for basis from the performance element select command conducting of described controller or disconnects corresponding circuit.
In this technical scheme, by between on the same group the input and output port switchgear not being set, can make the conducting between the port and disconnect action precisely controlled, and then guaranteed when the circuit complexity reduces, to satisfy the application demand of multiport.
In above-mentioned arbitrary technical scheme, preferably, described switchgear comprises relay.
In above-mentioned arbitrary technical scheme, preferably, described signal source comprises analog input sensor and/or switching value input pickup.
In above-mentioned arbitrary technical scheme, preferably, also comprise: command input unit, be connected to described controller, be used for sending described signal source select command and described performance element select command to described controller.
In this technical scheme, by command input unit is set, can be so that the select command of signal source and performance element be passed on accurately and timely, thus accurately and in time receive and output signal.
In above-mentioned arbitrary technical scheme, preferably, described command input unit comprise following one of at least: touch input device, button, keyboard.
In this technical scheme, can select different input medias single or carry out in combination order input according to concrete needs, thereby input command be accurately, easily controlled.
According to another aspect of the present utility model, a kind of engineering machinery has also been proposed, comprise above-mentioned each described line sharing device.
By above technical scheme, can reduce the complexity of circuit, and satisfy the application demand of multiport, thereby optimize the utilization of resources, reduce system cost.
Description of drawings
Fig. 1 shows the structural representation according to the line sharing device of embodiment of the present utility model;
Fig. 2 shows the schematic diagram according to the signal transmission of the line sharing device of embodiment of the present utility model;
Fig. 3 shows the principle of work schematic diagram according to the line sharing device of embodiment of the present utility model.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments the utility model is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection domain of the present utility model is not subjected to the restriction of following public specific embodiment.
Fig. 1 shows the structural representation according to the line sharing device of embodiment of the present utility model.
As shown in Figure 1, line sharing device according to embodiment of the present utility model, comprise input multiplex circuit plate 106, controller 102, wherein: input multiplex circuit plate 106, comprise a plurality of first input end mouths and at least one first output port, and described a plurality of first input end mouth is connected to respectively corresponding signal source 108; Described controller 102 is according to current real-time conditions, to described input multiplex circuit plate 106 transmitted signal source select commands; Described input multiplex circuit plate 106 is selected the first input end mouth according to the signal source select command that controller 102 sends, and the selected first input end mouth and the signal transmission line between corresponding the first output port of conducting, to obtain the signal of correspondence.
In this technical scheme, according to real-time conditions with the input port of input multiplex circuit plate 106 and corresponding output port conducting, realized the multiplexing of same winding collection of letters port, can reduce significantly the complexity of circuit, when satisfying the multiport application, optimized again configuration, and it has reduced system cost.Particularly, the real-time conditions here can be for default time conditions, geographic position condition, receive user's real-time command etc.
In technique scheme, preferably, described input multiplex circuit plate 106 comprises the first port selecting arrangement 104A, wherein: the first port selecting arrangement 104A is according to the signal source select command, from a plurality of first input end mouths, select at least one first input end mouth, and the selected first input end mouth of conducting and the signal transmission line between corresponding the first output port, to obtain corresponding signal.
In technique scheme, also comprise: output multiplex circuit plate 110, be provided with at least one second input port and a plurality of the second output port on the output multiplex circuit plate 110, a plurality of the second output ports are connected to respectively corresponding performance element 112; Output multiplex circuit plate 110 is according to the performance element select command, from a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
In this technical scheme, will export the output port of multiplex circuit plate 110 and corresponding input port conducting according to control order, realize the multiplexing of same group of output signal port, thereby further reduced the complexity of system line.
In above-mentioned arbitrary technical scheme, preferably, described output multiplex circuit plate 110 comprises the second port selecting arrangement 104B, described the second port selecting arrangement 104B is according to the performance element select command from described controller 102, from described a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
In above-mentioned arbitrary technical scheme, described input multiplex circuit plate 106 comprises first output port, and described output multiplex circuit plate 110 comprises second input port.
In above-mentioned arbitrary technical scheme, performance element 112 comprises solenoid valve, proportioning valve and/or relay.
In above-mentioned arbitrary technical scheme, described the first port selecting arrangement 104A comprises the switchgear 114 that is arranged between described first input end mouth and described the first output port, is used for basis from the signal source select command conducting of described controller 102 or disconnects corresponding circuit; Described the second port selecting arrangement 104B comprises the switchgear 114 that is arranged between described the second input port and described the second output port, is used for basis from the performance element select command conducting of described controller 102 or disconnects corresponding circuit.
In this technical scheme, by between on the same group the input and output port switchgear 114 not being set, can make conducting and disconnection action between the port precisely controlled, and then guarantee when the circuit complexity reduces, to satisfy the application demand of multiport.
In above-mentioned arbitrary technical scheme, switchgear 114 comprises relay.
In above-mentioned arbitrary technical scheme, signal source 108 comprises analog input sensor and/or switching value input pickup.
In above-mentioned arbitrary technical scheme, also comprise: command input unit 116, be connected to controller 102, be used for to controller 102 transmitted signal source select commands and performance element select command.
In this technical scheme, by command input unit 116 is set, can be so that the select command of signal source 108 and performance element 112 be passed on accurately and timely, thus accurately and in time receive and output signal.
In above-mentioned arbitrary technical scheme, command input unit 116 comprise following one of at least: touch input device, button, keyboard.
In this technical scheme, can select different input medias single or carry out in combination order input according to concrete needs, thereby input command be accurately, easily controlled.
Fig. 2 shows the schematic diagram according to the signal transmission of the line sharing device of embodiment of the present utility model.
As shown in Figure 2, signal source 108 can be divided into according to the difference of concrete a plurality of sensors simulating signal and digital signal, then respectively control inputs=1 and control inputs=0 is analyzed, again with the corresponding port of data transmission to input multiplex circuit plate 106.
Controller 102 can be PLC(Programmable Logic Controller, programmable logic controller (PLC)), single-chip microcomputer or nonshared control unit, the signal of 102 pairs of input multiplex circuit plates of controller, 106 inputs is processed, is analyzed, then the output port of control inputs multiplex circuit plate 106 switches to the port corresponding with input signal, input multiplex circuit plate 106 by switch complete output port with data transmission to controller 102.
Controller 102 to exporting multiplex circuit plate 110, is processed data transmission, analyze with 102 pairs of data of Time Controller, and the output port that switches according to different data contents and Type Control output multiplex circuit plate 110 switches to corresponding port and exports.
At last, respectively data control output=1 and control output=0 are analyzed, transferred to corresponding executive component 112 again, such as support leg valve, Multi-way valve with support leg, jib valve, jib banked direction control valves etc., and then these concrete executive components 112 are carried out corresponding operating again.
Fig. 3 shows the principle of work schematic diagram according to the line sharing device of embodiment of the present utility model.
As shown in Figure 3, in the program of controller 102, different variablees and corresponding port are bound, then begun to receive signal and transmission.
Signal transfers to input multiplex circuit plate 106 by signal source 108, and signal source can be pressure transducer, temperature sensor etc.
102 pairs of input signals of controller carry out analyzing and processing, switch to corresponding input port according to the variable of having bound with corresponding port and receive signal.
After signal transferred to controller 102, the data in 102 pairs of signals of controller were carried out logical operation.
Signal transfers to output multiplex circuit plate 110 by controller 102, and switches to corresponding delivery outlet output signal according to the variable of having bound with corresponding port.
At last, signal transfers to executive component 112 and carries out concrete operations, such as jib banked direction control valves PWM(Pulse Width Modulation, pulse-length modulation), Multi-way valve with support leg PWM.
The user can be according to the type in concrete needs setting signal source 108 and the type of executive component 112.Also can set concrete constraint condition, such as the I/O of digital signal=1 or I/O=0, further switching and the selection of control port.
According to another aspect of the present utility model, a kind of engineering machinery has also been proposed, comprise above-mentioned each described line sharing device.
More than be described with reference to the accompanying drawings the technical solution of the utility model, considered in the correlation technique, the line sharing device that the utility model is carried, can reduce the complexity of circuit, and satisfy the application demand of multiport, thus optimize the utilization of resources, reduce system cost.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. line sharing device, it is characterized in that, comprise input multiplex circuit plate, controller, wherein: the input multiplex circuit plate, comprise a plurality of first input end mouths and at least one first output port, and described a plurality of first input end mouth is connected to respectively corresponding signal source;
Described controller is according to current real-time conditions, to described input multiplex circuit plate transmitted signal source select command;
Described input multiplex circuit buttress is selected the first input end mouth according to the signal source select command that described controller sends, and the selected first input end mouth and the signal transmission line between corresponding the first output port of conducting, to obtain the signal of correspondence.
2. line sharing device according to claim 1 is characterized in that, described input multiplex circuit plate comprises the first port selecting arrangement, wherein:
Described the first port selecting arrangement is according to described signal source select command, from described a plurality of first input end mouths, select at least one first input end mouth, and the selected first input end mouth of conducting and the signal transmission line between corresponding the first output port, to obtain corresponding signal.
3. line sharing device according to claim 2 is characterized in that, also comprises:
Output multiplex circuit plate is provided with at least one second input port and a plurality of the second output port on the described output multiplex circuit plate, described a plurality of the second output ports are connected to respectively corresponding performance element; Described output multiplex circuit buttress is according to the performance element select command from described controller, from described a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
4. line sharing device according to claim 3, it is characterized in that, described output multiplex circuit plate comprises the second port selecting arrangement, described the second port selecting arrangement is according to the performance element select command from described controller, from described a plurality of the second output ports, select at least one second output port, and the signal transmission line between selected the second output port of conducting and corresponding the second input port, to export corresponding signal.
5. line sharing device according to claim 4 is characterized in that, described input multiplex circuit plate comprises first output port, and described output multiplex circuit plate comprises second input port.
6. line sharing device according to claim 4, it is characterized in that, described the first port selecting arrangement comprises the switchgear that is arranged between described first input end mouth and described the first output port, is used for basis from the signal source select command conducting of described controller or disconnects corresponding circuit;
Described the second port selecting arrangement comprises the switchgear that is arranged between described the second input port and described the second output port, is used for basis from the performance element select command conducting of described controller or disconnects corresponding circuit.
7. each described line sharing device in 6 according to claim 1, it is characterized in that, described performance element comprises solenoid valve, proportioning valve and/or relay, and described switchgear comprises relay, and described signal source comprises analog input sensor and/or switching value input pickup.
8. each described line sharing device in 6 according to claim 1 is characterized in that, also comprises:
Command input unit is connected to described controller, is used for sending described signal source select command and described performance element select command to described controller.
9. line sharing device according to claim 8 is characterized in that, described command input unit comprise following one of at least: touch input device, button, keyboard.
10. an engineering machinery is characterized in that, comprises such as each described line sharing device in the claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503043 CN202837874U (en) | 2012-09-28 | 2012-09-28 | Line multiplexing device and engineering machinery |
| PCT/CN2012/085901 WO2014048028A1 (en) | 2012-09-28 | 2012-12-05 | Line multiplexing apparatus and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503043 CN202837874U (en) | 2012-09-28 | 2012-09-28 | Line multiplexing device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837874U true CN202837874U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220503043 Expired - Lifetime CN202837874U (en) | 2012-09-28 | 2012-09-28 | Line multiplexing device and engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202837874U (en) |
| WO (1) | WO2014048028A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541888A (en) * | 2013-09-26 | 2014-01-29 | 内蒙古北方重工业集团有限公司 | Double-pump converging intelligent control system of flow type vehicle-mounted concrete pump |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010106105A (en) * | 1999-07-05 | 2001-11-29 | 바르마 에스.디. | Digital electronic control unit for domestic and commercial appliances |
| CN101188047A (en) * | 2006-11-17 | 2008-05-28 | 鸿富锦精密工业（深圳）有限公司 | Multi-channel differential signal monitoring circuit |
| US8160272B1 (en) * | 2008-07-15 | 2012-04-17 | Integrated Device Technology, Inc. | Audio output circuits having ramped attenuation circuits that inhibit pop disturbances when audio sources are switched |
| CN202189359U (en) * | 2011-07-22 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Multiplexing equipment |
-
2012
- 2012-09-28 CN CN 201220503043 patent/CN202837874U/en not_active Expired - Lifetime
- 2012-12-05 WO PCT/CN2012/085901 patent/WO2014048028A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541888A (en) * | 2013-09-26 | 2014-01-29 | 内蒙古北方重工业集团有限公司 | Double-pump converging intelligent control system of flow type vehicle-mounted concrete pump |
| CN103541888B (en) * | 2013-09-26 | 2016-08-17 | 内蒙古北方重工业集团有限公司 | Flow-type truck mounted concrete pump Dual-pump flow-converging intelligence control system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014048028A1 (en) | 2014-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: Sany Automobile Manufacturing Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |