CN208902144U - Sensor Monitoring System - Google Patents
Sensor Monitoring System Download PDFInfo
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- CN208902144U CN208902144U CN201821312454.2U CN201821312454U CN208902144U CN 208902144 U CN208902144 U CN 208902144U CN 201821312454 U CN201821312454 U CN 201821312454U CN 208902144 U CN208902144 U CN 208902144U
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- sensor
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Abstract
The utility model provides a kind of Sensor Monitoring System, including control unit, switch unit and monitor.Described control unit is connect with the switch unit, timesharing output switch control signal to the switch unit.Each sensor is connect by the switch unit with the monitor, when the switch unit receives the switch control signal, forms access between the sensor and the monitor.The monitor monitors the signal of multiple sensor outputs.The technical solution of the utility model increases the quantity for the sensor that can be monitored, and improves monitoring efficiency and monitoring cost is low.
Description
Technical field
The utility model relates to sensor technical fields, more particularly, to a kind of Sensor Monitoring System.
Background technique
Sensor, by collected information, is for conversion into electric signal for acquiring information to be measured according to certain rules
Or the information output of other required forms.In the control system of automobile, sensor is mainly distributed on engine control system, bottom
In disk control system and body control system.
Wheel speed sensors are used to measure the revolving speed of automotive wheel.Common wheel speed sensors mainly have: reluctive transducer,
Magneto-electric type wheel speed sensor, Hall wheel speed sensor etc..During wheel speed sensors are designed and produced with verifying,
It is generally necessary to which the signal of monitoring sensor output is verified with the performance to sensor.
Sensor is monitored by monitor at present, but a monitor is only capable of the sensing of monitoring limited quantity
Device, monitoring efficiency are low.If be monitored by more monitors, but will lead to monitoring cost it is higher (equipment cost and manpower at
This).In addition also having the scheme by increasing switching device in monitoring system, (switching device has more to increase monitoring quantity
The interface that can be connect with sensor), specifically, switching device is connected with monitor, then by sensor be connected to switching dress
It sets.However this scheme is used, trace arrangements are complicated between one side sensor and switching device, and connection line is more, another party
Control structure between face monitor and switching device and sensor is more complex, and at high cost.
Therefore, how a kind of Sensor Monitoring System that can monitor more sensor and low cost is provided, mesh is become
One of preceding urgent problem to be solved.
Utility model content
Problem to be solved in the utility model is to provide a kind of Sensor Monitoring System, more with lower cost monitoring
Sensor.
To solve the above problems, the use of the new type technical solution provides a kind of Sensor Monitoring System, comprising: control is single
Member, switch unit and monitor,
Described control unit is connect with the switch unit, timesharing output switch control signal to the switch unit；
Each sensor is connect by the switch unit with the monitor, receives described open in the switch unit
When closing control signal, access is formed between the sensor and the monitor；
The monitor monitors the signal of multiple sensor outputs.
Optionally, the switch unit includes: multiple first ends, multiple second ends and corresponding multiple control terminals,
The multiple first end is separately connected the output end of multiple sensors, and multiple second ends connect the input terminal of the monitor, institute
Multiple control terminals are stated when receiving the switch control signal, shape between corresponding multiple first ends and multiple second ends
At access.
Optionally, the switch unit include: multiple relays, each relay first end with the sensor
Output end connection, second end connect with the input terminal of the monitor, receives the switch control in its control terminal and believes
Number when, form access between the first end and second end.
Optionally, pass through control signal bus transmitting switch control letter between described control unit and the switch unit
Number.
Optionally, described control unit includes controller.
Optionally, the controller is programmable logic controller (PLC).
Optionally, the monitoring system further includes power supply, and the power supply passes through power bus and described control unit, switch
Unit, monitor connection.
Optionally, the sensor is wheel speed sensors.
Compared with prior art, technical solutions of the utility model have the advantage that
Control unit timesharing output switch control signal to switch unit, the both ends of switch unit be separately connected sensor and
Monitor forms access, monitor is to sensor when switch unit receives switch control signal between sensor and monitor
The signal of output is monitored.Time-sharing control sensor outputs signal to monitor, and materially increasing can monitor
The quantity of sensor, improves monitoring efficiency.Additionally, due to the quantity for not increasing monitor, therefore monitoring cost is low.
Detailed description of the invention
Fig. 1 is the schematic diagram of the Sensor Monitoring System of the utility model embodiment.
Specific embodiment
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Elaborate detail in the following description in order to fully understand this
Utility model.But the utility model can be implemented with a variety of different from other way described herein, those skilled in the art
Member can do similar popularization without prejudice to the utility model connotation.Therefore the utility model is not by following public tool
The limitation of body embodiment.
As described in the background art, existing two kinds of Sensor Monitoring Systems, in the sensor number that increase need to monitor
Amount, when improving monitoring efficiency, the monitoring scheme of use or more complex or monitoring cost are higher.Inventor proposes a kind of point
When monitoring scheme, without increase monitor under the premise of, increase lower-cost control unit and switch unit, only with timesharing
It controls different sensors and outputs signal to monitor, Lai Shixian is with the greater number of sensor of lower cost monitoring.
Fig. 1 is the schematic diagram of the Sensor Monitoring System of the utility model embodiment, as shown in Figure 1, the sensor is supervised
Control system includes: control unit 1, switch unit 2, monitor 3.It include 30 sensors with each sensor group in Fig. 1
For (S1, S2, S3, S4 ... S30), if there are 6 groups of sensor groups, 180 sensors can be monitored.In the present embodiment, institute
Control unit 1 is stated, is connect with the switch unit 2, timesharing output switch control signal to the switch unit 2.Each sensing
Device is connect by the switch unit 2 with the monitor 3, when the switch unit 2 receives the switch control signal,
Access is formed between the sensor and the monitor 3.The monitor 3 monitors the signal of multiple sensor outputs.
In the present embodiment, 1 timesharing output switch control signal of control unit.Specifically, described control unit 1 may include
Controller, the controller can be programmable logic controller (PLC) (PLC, Programmable Logic Controller),
It can be processor, such as Complex Programmable Logic Devices (CPLD, Complex Programmable Logic Device), now
Field programmable gate array (FPGA, Field-Programmable Gate Array), system on chip (SOC, System on a
Chip), ARM, central processing unit (CPU, Central Processing Unit), microprocessor (MCU, Micro
Controller Units) etc..As long as its can timesharing output switch control signal to switch unit 2.
In the present embodiment, by taking control unit 1 is PLC as an example, each output end of PLC is defeated at predetermined intervals
Switch control signal out, such as every the switch control signal of output in ten seconds.First of PLC is shown schematically in Fig. 1
Signal between output end and third output end and switch unit 2 transmits relationship.In practical application, other output ends of PLC
Between switch unit 2 there is signal to transmit relationship.For example, if PLC every 10 seconds output switch control signals to opening
Unit 2 is closed, then first ten seconds, the 1st output end output switch control signal of the PLC control terminal different to switch unit 2,
Such as the control terminal of the 1st to the 30th relay in switch unit 2, so that the 1st sensor is to the 30th sensor and prison
Access is formed between control device 3.Second ten seconds, the 2nd output end output switch control signal of PLC is into switch unit 2
The control terminal of 31 to the 60th relays, so that the 31st sensor is formed between sensor and monitor 3 to the 60th
Access.And so on, the 6th ten seconds, the 6th output end output switch control signal of PLC is to the 151st to the 180th
The control terminal of relay, so that the 151st sensor forms access between sensor and monitor 3 to the 180th.Actually answer
In, the quantity for the control terminal that can be can control according to number of sensors to be measured and a switch control signal is come true
Determine the number for the output end that PLC can be provided.It can certainly be according to the number of the PLC output end that can be provided and one
The quantity for the control terminal that switch control signal can control, to determine the quantity of sensor to be measured.In the present embodiment, Ke Yiti
It is preceding that the clock of PLC and the clock of monitor 3 are aligned, to ensure accuracy during being monitored to sensor.
In the present embodiment, the switch unit 2 include multiple relay J, each relay J first end 111 with
The output end of the sensor connects, and second end 112 is connect with the input terminal of the monitor 3, its control terminal (in figure not
Show) when receiving the switch control signal, access is formed between the first end 111 and second end 112.It is switched with one
Control signal control 30 control terminals for, first ten seconds, when the control terminal of the 1st to the 30th relay receives switch
When controlling signal, formed between this 30 relay sensors connecting and monitor 3 access namely sensor S1, S2,
S3, S4 ... S30 output signal to monitor 3.Second ten seconds, when the control terminal of the 31st to the 60th relay receives
When switch control signal, formed between this 30 relay sensors connecting and monitor 3 access namely sensor S31,
S32, S33, S34 ... S60 output signal to monitor 3.Output switch control signal with the output end of PLC every ten seconds
To corresponding relay, there are within one minute 180 relay closures namely there is within one minute the output of 180 sensor timesharing to detect
The signal arrived is to monitor 3.Each output end of PLC continues output switch control signal to corresponding relay, 180 biographies
The lasting timesharing of the collected signal of sensor is exported to monitor 3.
In other embodiments, the switch unit may include: multiple first ends, multiple second ends and corresponding
Multiple control terminals (not marking in figure), the multiple first end are separately connected the output end of multiple sensors, and multiple second ends connect
The input terminal of the monitor is connect, for the multiple control terminal when receiving the switch control signal, corresponding is multiple
Access is formed between first end and multiple second ends, i.e., forms access between sensor and monitor, to pass through the monitor
The sensor is monitored.
In practical application, control unit 1, switch unit 2 can be integrated on one piece of circuit board, to improve the collection of route
Cheng Du simplifies the monitoring circuit of Sensor Monitoring System.
In the present embodiment, described control unit 1 and switch unit 2 pass through control signal bus transmitting switch control signal.
Transmitting switch controls signal by the way of control signal bus, on the one hand can save signal wire, reduces monitoring cost, another
Interference when aspect can also be to avoid using discrete signals line transmitting switch control signal, between each signal wire.
In the present embodiment, the monitoring system further includes power supply, such as 12V power supply, passes through power bus and control
Unit 1, switch unit 2 and monitor 3 connect, to power to them.It is powered by the way of power bus, it on the one hand can be with
Reduce cost, interference when on the other hand can also be to avoid individually powering for different units and monitor, between supply lines.
In the present embodiment, sensor can be the sensor of any function, type, such as: can be wheel speed sensors, cam
Shaft position sensor, crankshaft position sensor etc..
In the present embodiment, 1 timesharing output switch control signal of control unit is switched to switch unit 2 by Time-sharing control
Unit 2, so that each sensor (S1, S2, S3......S153......S180) is connected by switch unit 2 and monitor 3
It connects, when switch unit 2 receives the switch control signal, forms access between sensor and monitor 3.And then realization pair
Monitoring to multiple sensors also improves monitoring efficiency while improving monitoring quantity.In addition, using control unit 1
The monitoring to multiple sensors is realized with the scheme of switch unit 2, simplifies the monitoring circuit of existing Sensor Monitoring System, and
Using the scheme of control unit 1 and switch unit 2, structure and route are simpler, reduce monitoring cost.
In conclusion Sensor Monitoring System provided by the utility model, at least has the following beneficial effects:
Control unit timesharing output switch control signal to switch unit, the both ends of switch unit be separately connected sensor and
Monitor forms access, monitor is to sensor when switch unit receives switch control signal between sensor and monitor
The signal of output is monitored.Time-sharing control sensor outputs signal to monitor, and materially increasing can monitor
The quantity of sensor, improves monitoring efficiency.Additionally, due to the quantity for not increasing monitor, therefore monitoring cost is low.
Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model
What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology
The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and
Modification, belongs to the protection scope of technical solutions of the utility model.
Claims (8)
1. a kind of Sensor Monitoring System characterized by comprising control unit, switch unit and monitor,
Described control unit is connect with the switch unit, timesharing output switch control signal to the switch unit；
Each sensor is connect by the switch unit with the monitor, receives the switch control in the switch unit
When signal processed, access is formed between the sensor and the monitor；
The monitor monitors the signal of multiple sensor outputs.
2. system according to claim 1, which is characterized in that the switch unit includes: multiple first ends, multiple second
End and corresponding multiple control terminals, the multiple first end are separately connected the output end of multiple sensors, multiple second ends
The input terminal of the monitor is connected, for the multiple control terminal when receiving the switch control signal, corresponding is more
Access is formed between a first end and multiple second ends.
3. system according to claim 1, which is characterized in that the switch unit include: multiple relays, each after
The first end of electric appliance is connect with the output end of the sensor, and second end is connect with the input terminal of the monitor, at it
When control terminal receives the switch control signal, access is formed between the first end and second end.
4. described in any item systems according to claim 1~3, which is characterized in that described control unit and the switch unit
Between by control signal bus transmitting switch control signal.
5. described in any item systems according to claim 1~3, which is characterized in that described control unit includes controller.
6. system according to claim 5, which is characterized in that the controller is programmable logic controller (PLC).
7. system according to claim 1, which is characterized in that further include power supply, the power supply passes through power bus and institute
State control unit, switch unit, monitor connection.
8. system according to claim 1, which is characterized in that the sensor is wheel speed sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312454.2U CN208902144U (en) | 2018-08-14 | 2018-08-14 | Sensor Monitoring System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312454.2U CN208902144U (en) | 2018-08-14 | 2018-08-14 | Sensor Monitoring System |
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| Publication Number | Publication Date |
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| CN208902144U true CN208902144U (en) | 2019-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622788A (en) * | 2020-12-09 | 2021-04-09 | 潍柴动力股份有限公司 | Multi-channel sensor switching device, electronic control system and signal acquisition method |
-
2018
- 2018-08-14 CN CN201821312454.2U patent/CN208902144U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622788A (en) * | 2020-12-09 | 2021-04-09 | 潍柴动力股份有限公司 | Multi-channel sensor switching device, electronic control system and signal acquisition method |
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