CN206725018U - A kind of harvester - Google Patents
A kind of harvester Download PDFInfo
- Publication number
- CN206725018U CN206725018U CN201720595713.6U CN201720595713U CN206725018U CN 206725018 U CN206725018 U CN 206725018U CN 201720595713 U CN201720595713 U CN 201720595713U CN 206725018 U CN206725018 U CN 206725018U
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- signal
- multichannel
- controller
- path analoging
- turn
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Abstract
The utility model discloses a kind of harvester, including：Multiple sensors, for gathered data, and convert the data into electric signal；Multichannel turns a path analoging switch, is connected with multiple sensors, for exporting the electric signal of multiple sensors in turn；Signal processing circuit, turn a path analoging switch with multichannel and be connected, the electric signal for turning path analoging switch output to multichannel carries out visualization processing；Controller, it is connected with signal processing circuit, for receiving the signal after visualization processing.Harvester of the present utility model from common single-chip microcomputer by being used as controller, it is possible to achieve 64 channel signal collections, has the characteristics of control method is simple and development cost is low.
Description
Technical field
Signal acquisition field is the utility model is related to, a kind of specific harvester.
Background technology
Multi-channel acquisition is that multiple signals are acquired.According to the synchronism of multiple signal acquisitions whether, can be by multiple tracks
Collection is divided into two kinds, and one kind is using multiple a/d converters while multiple signals are acquired；Another kind is by poll
Mode is acquired to multiple signals successively, typically realizes this multi-channel acquisition from multiway analog switch.
In actual application environment, it is often necessary to multiple signals are acquired, multiple signals can be single type,
It can be polytype, all be finally that electric signal is converted into by sensor, data acquisition is carried out to a/d converter.If multichannel is believed
Number all it is reflection temperature height, is exactly single type；If in multiple signals, having plenty of reflection temperature, have plenty of reflection pressure,
Have plenty of reflection speed, just belong to polytype.Multi-channel acquisition, exactly electric signal caused by multiple sensors is acquired.
Pass through AD conversion chip type selecting at present, it is possible to achieve 2 passages, 4 passages, the collection of 16 channel signals；Some functions are strong
Big single-chip microcomputer also has a small amount of AD acquisition channels；Some producers using cabinet and board method, can facilitate user according to
Multi-channel acquisition function is realized in actual demand, but the hardware device cost of chip or higher level with multichannel is higher, by
This can improve the cost of this harvester.
Utility model content
To be solved in the utility model is the problem of existing multi-sensor data collection installation cost is higher.
The utility model embodiment provides a kind of harvester, including：Multiple sensors, for gathered data, and by institute
Data conversion is stated into electric signal；Multichannel turns a path analoging switch, is connected with the multiple sensor, described more for exporting in turn
The electric signal of individual sensor；Signal processing circuit, turn a path analoging switch with the multichannel and be connected, for turning one to the multichannel
The electric signal of path analoging switch output carries out visualization processing；Controller, it is connected with the signal processing circuit, can for receiving
Signal after being handled depending on change.
Preferably, the harvester also includes：Display, it is connected with controller, for showing at the visualization
Signal after reason.
Preferably, the controller is also connected with a multichannel turn path analoging switch, and the controller is additionally operable to control
The multichannel turns a path analoging switch and connects the multiple sensor in turn.
Preferably, a multichannel turn path analoging switch is provided with multiple inputs and an output end and control signal connects
Receiving end, the multiple input connect the multiple sensor respectively, and one output end connects the signal processing circuit,
The control signal receiving terminal connects the controller.
Preferably, the multichannel, which turns a path analoging switch, includes：Analog switch group, provided with multiple signal input parts and one
Signal output part, the multiple signal input part connect the multiple sensor respectively, and the signal output part connects the control
Device processed；Decoder, provided with control signal receiving terminal and control signal output, the control signal receiving terminal connects the control
Device, the control signal sent for receiving the controller, the control signal output connect the analog switch group, are used for
The output end of the analog switch group is controlled to export the electric signal that the sensor inputs in turn according to the control signal.
Preferably, the analog switch group is made up of multiple 74HCT4051 analog switches.
Preferably, the decoder is 74LS138 decoders.
Preferably, the signal processing circuit, including：Amplifier, turn a path analoging switch with the multichannel and be connected, be used for
The electric signal for turning path analoging switch output to the multichannel is amplified processing, and exports the electric signal after amplification；Collector,
It is connected with the amplifier, for the electric signal after the amplification to be converted into data signal.
According to harvester provided by the utility model, turn a path analoging switch using multichannel and connect multiple sensors, and
The signal of each sensor collection is exported in turn, controller is only received signal all the way in synchronization, namely need not select
The signal of multiple sensors collections can be received with the processor of multichannel, it is possible thereby to reduce the cost of harvester.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structure composition figure of harvester in the utility model embodiment 1；
Fig. 2 is that multichannel turns analog switching circuit schematic diagram all the way in the utility model embodiment 1；
Fig. 3 is a specific connection figure of harvester in the utility model embodiment 1.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment 1
Originally apply example and a kind of harvester is provided, as shown in figure 1, including：Multiple sensors 10, multichannel turn a path analoging switch
20th, signal processing circuit 30, controller 40.
Multiple sensors 10, for gathered data, and by the data conversion into electric signal；
In the present embodiment, there are 64 sensors, can be single type or polytype.Sensor 1~sensing
Device 64 is connected to multichannel and turns a path analoging switch side by side respectively.
Multichannel turns a path analoging switch 20, is connected with multiple sensors, for exporting the electricity of the multiple sensor in turn
Signal；Multichannel turns a path analoging switch and is provided with multiple inputs and an output end and control signal receiving terminal, multiple inputs
End connects multiple sensors respectively, and an output end connects signal processing circuit, control signal receiving terminal connection controller.
Further, a kind of preferred embodiment as the present embodiment, multichannel, which turns a path analoging switch 20, also to be included：
Analog switch group, provided with multiple signal input parts and a signal output part, multiple signal input parts connect respectively
Multiple sensors, signal output part connection controller；Preferably, analog switch group is made up of multiple 74HCT4051 analog switches.
Decoder, provided with control signal receiving terminal and control signal output, control signal receiving terminal connection controller, use
In the control signal for receiving controller transmission, control signal output connection analog switch group, for being controlled according to control signal
The output end of the analog switch group electric signal that output transducer inputs in turn.Preferably, decoder is 74LS138 decoders.
As shown in Fig. 2 multichannel turns analog switching circuit schematic diagram all the way, by 1 74LS138 decoder and 9
74HCT4051 analog switches composition is (due to using 64 sensors, it is therefore desirable to which 9 74HCT4051 simulations are opened in the present embodiment
Close).The control terminal E1 of decoder connects high level, E2 and E3 earth levels；The address end of decoder and the address end of analog switch 9
It is all connected on control line K1, K2, K3 of singlechip controller output, output end Y0~Y7 of decoder is connected respectively to simulation
Switch 1~analog switch 8 is forbidden holding on INH；The address end of 1~analog switch of analog switch 8 is connected to singlechip controller
On control line K4, K5, K6 of output, 64 sensors are consecutively connected to the input of 1~analog switch of analog switch 8, simulation
The output end of switch 1~analog switch 8 is connected to the input of analog switch 9 successively, and the output of analog switch 9 turns as multichannel
The output of one path analoging switch is connected to amplifier.
Signal processing circuit 30, turn a path analoging switch with multichannel and be connected, for turning path analoging switch output to multichannel
Electric signal carry out visualization processing；
As a kind of preferred embodiment of the present embodiment, the signal processing circuit 30, including：Amplifier 31 and collection
Device 32.
Amplifier 31, turn a path analoging switch with multichannel and be connected, for turning the telecommunications of path analoging switch output to multichannel
Number processing is amplified, and exports the electric signal after amplification；
Collector 32, is connected with amplifier, for the electric signal after amplification to be converted into data signal.
Controller 40, is connected with signal processing circuit, for receiving the signal after visualization processing.
Controller turns a path analoging switch with multichannel and is connected, and is additionally operable to control a multichannel turn path analoging switch to connect in turn
Lead to the multiple sensor.The present embodiment is controller from single-chip microcomputer.
As a kind of preferred embodiment of the present embodiment, harvester also includes display 50, is connected with controller,
For showing the signal after the visualization processing.Preferably, display is LCD liquid crystal displays.
As shown in figure 3, the integrated connection mode of harvester is：64 sensors are connected to multichannel and turned all the way side by side respectively
Analog switch, the control signal (K1~K6) of singlechip controller are connected to the control terminal that multichannel turns a path analoging switch, multichannel
The output for turning a path analoging switch is connected to amplifier, and the output of amplifier is connected to AD collectors, and the output of AD collectors connects
Singlechip controller is connected to, singlechip controller is finally shown to the data of collection on LCD liquid crystal display equipment screens.
The workflow of the present embodiment harvester is as follows：
Step 1：Singlechip controller controls decoder and analog switch by control line K1, K2, K3 output control signal
9；
Step 2：Decoder realizes the control for forbidding end to 1~analog switch of analog switch 8 according to control signal, that is, allows 8
A certain piece in block analog switch chip is in running order；
Step 3：Analog switch 9 is connected defeated with analog switch chip in running order in step 2 according to control signal
Go out the passage that end is connected；
Step 4：Singlechip controller by control line K4, K5, K6 output control signal, while control analog switch 1~
Analog switch 8；
Step 5：According to step 2, in 1~analog switch of analog switch 8, synchronization only has one piece of analog switch chip work
Make, the signal that synchronization only has a sensor can be delivered to amplifier；
Step 6：The sensor number and the data of corresponding collection currently gathered by LCD liquid crystal display real-time displays.
The device can be by way of poll collection, and the signal of collection No. 64 sensor detection, poll sampling passes through more
Road turns a path analoging switch and realized, circuit theory is simple.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (8)
- A kind of 1. harvester, it is characterised in that including：Multiple sensors, for gathered data, and by the data conversion into electric signal；Multichannel turns a path analoging switch, is connected with the multiple sensor, for exporting the telecommunications of the multiple sensor in turn Number；Signal processing circuit, turn a path analoging switch with the multichannel and be connected, it is defeated for turning a path analoging switch to the multichannel The electric signal gone out carries out visualization processing；Controller, it is connected with the signal processing circuit, for receiving the signal after visualization processing.
- 2. harvester according to claim 1, it is characterised in that also include：Display, it is connected with controller, for showing the signal after the visualization processing.
- 3. harvester according to claim 1 or 2, it is characterised in that the controller also turns all the way with the multichannel Analog switch connects, and the controller is additionally operable to control a multichannel turn path analoging switch to connect the multiple sensing in turn Device.
- 4. harvester according to claim 3, it is characterised in that the multichannel turns a path analoging switch provided with multiple defeated Enter end and an output end and control signal receiving terminal, the multiple input connects the multiple sensor respectively, described One output end connects the signal processing circuit, and the control signal receiving terminal connects the controller.
- 5. harvester according to claim 4, it is characterised in that the multichannel, which turns a path analoging switch, to be included：Analog switch group, provided with multiple signal input parts and a signal output part, the multiple signal input part connects respectively The multiple sensor, the signal output part connect the controller；Decoder, provided with control signal receiving terminal and control signal output, the control signal receiving terminal connects the control Device, the control signal sent for receiving the controller, the control signal output connect the analog switch group, are used for The output end of the analog switch group is controlled to export the electric signal that the sensor inputs in turn according to the control signal.
- 6. harvester according to claim 5, it is characterised in that the analog switch group is by multiple 74HCT4051 moulds Intend switch composition.
- 7. harvester according to claim 5, it is characterised in that the decoder is 74LS138 decoders.
- 8. harvester according to claim 1 or 2, it is characterised in that the signal processing circuit, including：Amplifier, turn a path analoging switch with the multichannel and be connected, for turning the electricity of path analoging switch output to the multichannel Signal is amplified processing, and exports the electric signal after amplification；Collector, it is connected with the amplifier, for the electric signal after the amplification to be converted into data signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595713.6U CN206725018U (en) | 2017-05-25 | 2017-05-25 | A kind of harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595713.6U CN206725018U (en) | 2017-05-25 | 2017-05-25 | A kind of harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725018U true CN206725018U (en) | 2017-12-08 |
Family
ID=60511654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720595713.6U Expired - Fee Related CN206725018U (en) | 2017-05-25 | 2017-05-25 | A kind of harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725018U (en) |
-
2017
- 2017-05-25 CN CN201720595713.6U patent/CN206725018U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171208 Termination date: 20180525 |