CN206460154U - Power detecting sensor - Google Patents
Power detecting sensor Download PDFInfo
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- CN206460154U CN206460154U CN201720106569.5U CN201720106569U CN206460154U CN 206460154 U CN206460154 U CN 206460154U CN 201720106569 U CN201720106569 U CN 201720106569U CN 206460154 U CN206460154 U CN 206460154U
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Abstract
The utility model provides a kind of power detecting sensor, and the sensor includes governor circuit, two lines bus interface, rectification circuit, mu balanced circuit, telecommunication circuit, sample circuit, key circuit and contact linkage circuit；Rectification circuit is electrically connected with two lines bus interface and telecommunication circuit respectively, and mu balanced circuit is electrically connected with rectification circuit and governor circuit respectively, and telecommunication circuit is electrically connected with governor circuit, and sample circuit is electrically connected with governor circuit；Telecommunication circuit sends data acquisition signal to governor circuit, governor circuit sends sampling control signal according to data acquisition signal to sample circuit, governor circuit obtains the sample information transmitted by sample circuit, and governor circuit carries out handling backward telecommunication circuit send feedback information to sample information；Key circuit sends button control information to governor circuit；Contact linkage circuit is electrically connected with governor circuit.The utility model can improve signal detection accurate rate.
Description
Technical field
The utility model is related to sensor technical field, specifically, being related to a kind of applied to fire-fighting equipment Power Supply Monitoring
Power detecting sensor.
Background technology
The need for progress and function of Socialization with science and technology, the area of single building is increasing, and building height is more next
Higher, the personnel of aggregation are more and more, and the fire-fighting consciousness of people also gradually strengthens, and fire-fighting equipment is perfect also with fire-fighting system
Progressively increase.
In existing fire-fighting equipment, need to provide power supply support mostly, for example, fire pump, fire resistance rolling shutter door, fire-fighting wind
Machine and warning system etc. are required to provide the support of power supply, and only in the case of power supply is normal, such power equipment just may be used
Normal work.Thereby it is ensured that the normal work of power supply, is to ensure one important measures of fire-fighting work.
Under normal circumstances, whether the power supply in order to detect power equipment is normal, is sensed in monitoring system using power detecting
Device carries out sample detecting to the supply voltage or supply current of power equipment, judges whether power supply is normal by sample magnitude.Cause
This, power detecting sensor is played an important role in monitoring system, and the good and bad of power detecting sensor determines monitoring system
Competitiveness in the market.
The content of the invention
The purpose of this utility model is to provide a kind of power detecting be easy to apply and can improve signal detection accurate rate and passed
Sensor.
To achieve these goals, the power detecting sensor that the utility model is provided includes governor circuit, two lines bus and connect
Mouth, rectification circuit, mu balanced circuit, telecommunication circuit, sample circuit, key circuit and contact linkage circuit；Rectification circuit is distinguished
Electrically connected with two lines bus interface and telecommunication circuit, mu balanced circuit is electrically connected with rectification circuit and governor circuit respectively, telecommunication circuit
Electrically connected with governor circuit, sample circuit is electrically connected with governor circuit；Telecommunication circuit sends data acquisition signal to governor circuit,
Governor circuit sends sampling control signal according to data acquisition signal to sample circuit, and governor circuit is obtained transmitted by sample circuit
Sample information, governor circuit to sample information carry out handle backward telecommunication circuit send feedback information；Key circuit is to master control
Circuit sends button control information；Contact linkage circuit is electrically connected with governor circuit.It is preferred that, two lines bus interface is F-BUS bis-
EBI.
From such scheme, power detecting sensor of the present utility model can pass through two by setting two lines bus interface
EBI is powered and communicated, and is easy to application, reduces construction cost.
In further scheme, sample circuit includes three current detection circuits and three voltage detecting circuits, three electricity
Current detection circuit and three voltage detecting circuits are electrically connected with governor circuit respectively.
As can be seen here, sensor of the present utility model, can be same by setting current detection circuit and voltage detecting circuit
When data sampling is carried out to voltage data and current data, be conducive to improving the accurate rate detected.Three electric currents are set respectively
Circuit and three voltage detecting circuits are detected, can be met under existing three-phase electricity system, while being detected to three-phase circuit, are improved
Detection accuracy.
In further scheme, voltage detecting circuit includes optic coupling element and the first filter circuit, optic coupling element and first
Filter circuit is electrically connected, and the first filter circuit is electrically connected with governor circuit.
As can be seen here, set optic coupling element that input can be made to be fully achieved electrically with output end in voltage detecting circuit
Isolation, circuit working stability, efficiency of transmission is high, reduces signal interference, while setting filter between optic coupling element and governor circuit
Wave circuit, can reduce interference of the alternating voltage to the voltage signal of collection, improve the accuracy of detection.
In further scheme, sample circuit also includes boost voltage and detects circuit, boost voltage detection circuit and master control
Circuit is electrically connected.
As can be seen here, by setting boost voltage to detect circuit, the sampled data that can combine voltage detecting circuit is compared
Compared with the accuracy for being conducive to raising to detect.
In further scheme, mu balanced circuit includes the first voltage stabilizing chip, the second voltage stabilizing chip and the second filter circuit, the
The input of one voltage stabilizing chip is electrically connected with the output end of rectification circuit, the input of the second voltage stabilizing chip and the first voltage stabilizing chip
Output end electrical connection, filter circuit electrically connects with the output end of the second voltage stabilizing chip.Second filter circuit include the first electric capacity,
Second electric capacity, the 3rd electric capacity and the 4th electric capacity, the first electric capacity, the second electric capacity, the 3rd electric capacity and the 4th electric capacity are connected in parallel.
As can be seen here, the first voltage stabilizing chip and the second voltage stabilizing chip are set, high voltage low-voltage can be stabilized to, be easy to for
Other chips in circuit provide operating voltage, simultaneously as two lines bus input is alternating voltage, enter what is obtained after over commutation
DC voltage can also carry alternating voltage component, can bring interference to circuits such as main control chips, therefore, set filter circuit to carry out
Filtering, lowers the interference of alternating voltage component.
In further scheme, sensor also includes LED indicating circuit, and LED indicating circuit is electrically connected with governor circuit.
As can be seen here, set LED indicating circuit, may indicate that sensor whether normal work, be easy to user to be judged.
In further scheme, rectification circuit includes MB6S rectification bridge chips, and MB6S rectifications bridge chip receives two lines bus and connect
Ac voltage signal transmitted by mouthful, MB6S rectifications bridge chip exports d. c. voltage signal to telecommunication circuit.
As can be seen here, sensor circuit can be made to simplify the structure using MB6S rectifications bridge chip, while having anti-HI high impact
The ability of electric current, improves the stability of circuit.
Brief description of the drawings
Fig. 1 is the structured flowchart that the utility model power detecting sensor embodiment is applied to power supply monitoring system.
Fig. 2 is the circuit structure block diagram of the utility model power detecting sensor embodiment.
Fig. 3 is the circuit layout schematic diagram of the utility model power detecting sensor embodiment.
Fig. 4 is the circuit theory diagrams of the utility model power detecting sensor embodiment.
Fig. 5 is the circuit theory diagrams of mu balanced circuit in the utility model power detecting sensor embodiment.
Fig. 6 is the circuit theory diagrams of the utility model power detecting sensor embodiment.
Fig. 7 is the circuit theory diagrams of linkage input circuit in contact in the utility model power detecting sensor embodiment.
Fig. 8 is the circuit theory diagrams of linkage output circuit in contact in the utility model power detecting sensor embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
As shown in figure 1, Fig. 1 is the structured flowchart of the present embodiment power supply monitoring system.Power Supply Monitoring system in the present embodiment
System includes master controller 1, power supply monitor 2, region repeater 3, power detecting sensor 4, power detecting sensor 5 and beaten
Printing equipment puts 6.Power detecting sensor 5 is to the send feedback information of power supply monitor 2, and power detecting sensor 4 is to region repeater 3
Feedback information is forwarded to power supply monitor 2 by send feedback information, region repeater 4, and master controller 1 receives power supply monitor 2
The feedback information of output.
Power supply monitor 2 is provided with LCD display（It is not shown）And LED light（It is not shown）, the basis of power supply monitor 2
Feedback information is sent to LCD display to be shown signal and sends indication signal to LED light, and LCD display can be used for showing
Monitoring situation, LED light can be used for sending alarm.
Referring to Fig. 2 and Fig. 3, power detecting sensor 4 and power detecting sensor 5 include circuit board 20, governor circuit
14th, two lines bus interface 10, rectification circuit 11, mu balanced circuit 13, telecommunication circuit 12, sample circuit 15, key circuit 16, contact connection
Dynamic circuit 17 and LED indicating circuit 18.Wherein sample circuit 15 includes voltage detecting circuit 151, boost voltage detection circuit
152 and current detection circuit 153.It is preferred that, two lines bus interface 10 is F-BUS two lines bus interfaces.
Governor circuit 14 is arranged on the central area of circuit board 21, and sample circuit 15 is located at the right side area of governor circuit 14
And upper-side area, wherein, current detection circuit 153 is located at the bottom right side region of governor circuit 14, and voltage detecting circuit 151 is located at
The upper-side area of governor circuit 14, boost voltage detection circuit 152 is located at the upper right side region of governor circuit 14.Telecommunication circuit 12
Positioned at the left field of governor circuit 14, key circuit 16 is located at the underside area of governor circuit 14, contact linkage circuit 17
In governor circuit 14 underside area and between telecommunication circuit 12 and key circuit 16.In addition, two lines bus interface 10, rectification
Circuit 11 and mu balanced circuit 13 are arranged at the region where telecommunication circuit 12.
Two lines bus interface 10 is electrically connected with power supply monitor 2 or with region repeater 3, rectification circuit 11 respectively with two lines bus
Interface 10 and telecommunication circuit 12 are electrically connected, and mu balanced circuit 13 is electrically connected with rectification circuit 11 and governor circuit 14 respectively, communication electricity
Road 12 is electrically connected with governor circuit 14, and sample circuit 15 is electrically connected with governor circuit 14, contact linkage circuit 17 and governor circuit
14 electrical connections, LED indicating circuit 18 is electrically connected with governor circuit 14.Telecommunication circuit 12 sends data acquisition letter to governor circuit 14
Number, governor circuit 14 sends sampling control signal according to data acquisition signal to sample circuit 15, and governor circuit 14 obtains sampling
Sample information transmitted by circuit 15, governor circuit 14 sends feedback letter after handling sample information to telecommunication circuit 12
Breath, key circuit 16 sends button control information to governor circuit 14.
Referring to Fig. 4, rectification circuit 11 passes through POWERBUS including MB6S rectification bridge chip D59, MB6S rectification bridge chips D59
+ end and POWERBUS- ends receive the ac voltage signal transmitted by two lines bus interface 10, and MB6S rectification bridge chip D59 are to communication
Circuit 12 exports d. c. voltage signal.Telecommunication circuit 12 receives d. c. voltage signal by communication chip U60, meanwhile, MB6S is whole
Flow bridge chip D59 and also export d. c. voltage signal to mu balanced circuit 13.
Referring to Fig. 5, mu balanced circuit 13 includes voltage stabilizing chip U11, voltage stabilizing chip U12 and filter circuit 131, voltage stabilizing chip
U11 input is electrically connected with the output end of rectification circuit 11, voltage stabilizing chip U12 input and voltage stabilizing chip U11 output
End electrical connection, filter circuit 131 is electrically connected with voltage stabilizing chip U12 output end.Filter circuit 131 includes electric capacity C15, electric capacity
C17, electric capacity C18 and electric capacity C19, electric capacity C15, electric capacity C17, electric capacity C18 and electric capacity C19 are connected in parallel.In the present embodiment, voltage stabilizing
Chip U11 obtains the 24V DC voltages of the conveying of rectification circuit 11 and is 5V DC voltages, voltage stabilizing chip U12 by the voltage voltage stabilizing
5V DC voltages are obtained from voltage stabilizing chip U11 output end and being 3.3V DC voltages by its voltage stabilizing, filter circuit 131 is to voltage stabilizing
The 3.3V DC voltages of chip U12 outputs are filtered, and are conveyed to next stage circuit, for circuit normal work.Certainly, it is electric
The operating voltage that other circuits need in the detection sensor of source can be obtained in mu balanced circuit 13.
In the present embodiment, sample circuit 15 includes three voltage detecting circuits 151, a boost voltage detection circuit 152
And three current detection circuits 153, three voltage detecting circuits 151, a boost voltage detection circuit 152 and three electricity
Current detection circuit 153 is electrically connected with governor circuit 14 respectively.
Referring to Fig. 6, three voltage detecting circuits 151 and boost voltage detection circuit 152 include optic coupling element U56 and filter
Wave circuit 154, optic coupling element U56 and filter circuit 154 are electrically connected, and filter circuit 154 passes through eAD3 ends and the electricity of governor circuit 14
Connection.Wherein, filter circuit 154 includes resistance R72, resistance R74 and electric capacity C56, resistance R72 first end and optic coupling element
U56 output end electrical connection, resistance R74 first end is electrically connected with resistance R72 first end, resistance R74 the second end ground connection,
Resistance R72 the second end is electrically connected with electric capacity C56 first end, electric capacity C56 the second end ground connection.In addition, optic coupling element U56
Input is in series with a powerful dropping resistor R69 and a commutation diode D54, optic coupling element U56 pass through C2 ends
Obtain the supply voltage signal of power equipment.
Contact linkage circuit 17 can be used for external alarm Triggering circuit（It is not shown）, when alarm Triggering circuit touches alarm
Alarm signal is sent to contact linkage circuit 17, alarm signal is sent to governor circuit 14 and finally anti-by contact linkage circuit 17
It is fed in master controller 1.Certainly, master controller 14 also can send control to alarm Triggering circuit by contact linkage circuit 17 and believe
Number, alarm Triggering circuit is controlled.
Referring to Fig. 7 and Fig. 8, contact linkage circuit 17 includes contact linkage input circuit and contact linkage output circuit.From
Understood in Fig. 7, contact linkage input circuit is provided with optic coupling element U51.The signal of external circuitses passes through IN1+ ends and IN1- ends
Optic coupling element U51 is sent to, and is changed by optic coupling element U51 signal, control circuit 14 is delivered to by eIN0 ends.From Fig. 8
In understand, contact linkage output circuit be provided with relay K50 and triode Q50, triode Q50 base stage passes through eOU0 ends
The control signal of governor circuit 14 is obtained, and is sent by colelctor electrode to relay K50, so that by being connected with relay K50
OJT1 ends and OJT2 ends be delivered to external circuitses.
In addition, key circuit 16 can be used for being configured control, user can be sent out by key circuit 16 to governor circuit 14
Button control information is sent, the control operations such as the setting or replacement of parameter are carried out to power detecting sensor.LED indicating circuit 18
For indicate power detecting sensor whether normal work, for example, show green light during normal work, then represented when showing red light
Operation irregularity.
The power supply monitoring system of the present embodiment operationally, by power detecting sensor 4 or power detecting sensor 5
15 pairs of sample circuit need the sampling for being powered electric current and supply voltage of the power equipment monitored.Governor circuit 14 is obtained
To after sample information, voltage sample value, boost voltage with reference to voltage detecting circuit 151 detect the voltage sample value of circuit 152
And the current sampling data of current detection circuit 153 judges whether the power supply of power equipment the failure such as over-pressed, under-voltage occurs, and lead to
Cross telecommunication circuit 12 by feedback information be sent to power supply monitor 2 or with region repeater 3, and then send to master controller 1.This
Outside, power supply monitor 2 is sent according to feedback information to LCD display shows signal and sends indication signal to LED light, right
Feedback signal is responded.Master controller 1 is received can show master controller 1 to printing equipment after feedback information by display
6 send type information, and monitoring information is printed, and are easy to generate text entry.
It should be noted that power supply monitoring system of the present utility model can have a variety of connection changes, for example, Power Supply Monitoring system
System may include at least one power supply monitor and at least region repeater, and each power supply monitor is electrically connected with master controller
Connect, power supply monitor is electrically connected with least one region repeater or electrically connected with least one power detecting sensor, each
Individual region repeater is electrically connected with least one power detecting sensor.One master controller of the utility model can connect 32 electricity
Source monitor, each power supply monitor can connect 1024 power detecting sensors, and each region repeater can connect 256
Platform power detecting sensor, master controller can the maximum size of monitoring management be 32768 power detecting sensors.
From the foregoing, by setting two lines bus interface, can power and communicate by two lines bus interface, it is easy to application,
Reduce construction cost.Power detecting sensor can utilize electricity simultaneously by setting current detection circuit and voltage detecting circuit
Press data and current data to carry out data sampling, be conducive to improving the accurate rate detected.Three current detecting electricity are set respectively
Road and three voltage detecting circuits, can meet under existing three-phase electricity system, while being detected to three-phase circuit, improve detection accurate
True rate.Meanwhile, by setting boost voltage to detect circuit, the sampled data that can combine voltage detecting circuit is compared, favorably
In the accuracy for improving detection.In addition, setting contact linkage circuit, alarm signal is obtained in real time, increases power detecting sensor
Function.
It should be noted that preferred embodiment of the present utility model is these are only, but design concept of the present utility model is simultaneously
This is not limited to, all insubstantial modifications made using this design to the utility model also each fall within guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. power detecting sensor, it is characterised in that including governor circuit, two lines bus interface, rectification circuit, mu balanced circuit, logical
Believe circuit, sample circuit, key circuit and contact linkage circuit；
The rectification circuit is electrically connected with the two lines bus interface and the telecommunication circuit respectively, the mu balanced circuit respectively with institute
Rectification circuit and governor circuit electrical connection are stated, the telecommunication circuit is electrically connected with the governor circuit, the sample circuit
Electrically connected with the governor circuit；
The telecommunication circuit sends data acquisition signal to the governor circuit, and the governor circuit is believed according to the data acquisition
Number sampling control signal is sent to the sample circuit, the governor circuit obtains the sampling letter transmitted by the sample circuit
Breath, the governor circuit carries out handling the backward telecommunication circuit send feedback information to the sample information；
The key circuit sends button control information to the governor circuit；
The contact linkage circuit is electrically connected with the governor circuit.
2. power detecting sensor according to claim 1, it is characterised in that the sample circuit includes three electric current inspections
Slowdown monitoring circuit and three voltage detecting circuits, three current detection circuits and three voltage detecting circuits respectively with it is described
Governor circuit is electrically connected.
3. power detecting sensor according to claim 2, it is characterised in that the voltage detecting circuit includes optocoupler member
Part and the first filter circuit, the optic coupling element and first filter circuit electrical connection, first filter circuit with it is described
Governor circuit is electrically connected.
4. power detecting sensor according to claim 3, it is characterised in that the sample circuit also includes boost voltage
Circuit is detected, the boost voltage detection circuit is electrically connected with the governor circuit.
5. the power detecting sensor according to any one of Claims 1-4, it is characterised in that the mu balanced circuit includes
First voltage stabilizing chip, the second voltage stabilizing chip and the second filter circuit, input and the rectified current of first voltage stabilizing chip
The output end electrical connection on road, the input of second voltage stabilizing chip is electrically connected with the output end of first voltage stabilizing chip, institute
The output end that filter circuit is stated with second voltage stabilizing chip is electrically connected.
6. power detecting sensor according to claim 5, it is characterised in that second filter circuit includes the first electricity
Appearance, the second electric capacity, the 3rd electric capacity and the 4th electric capacity, first electric capacity, second electric capacity, the 3rd electric capacity and described
Four electric capacity are connected in parallel.
7. the power detecting sensor according to any one of Claims 1-4, it is characterised in that the sensor also includes
LED indicating circuit, the LED indicating circuit is electrically connected with the governor circuit.
8. the power detecting sensor according to any one of Claims 1-4, it is characterised in that the rectification circuit includes
MB6S rectification bridge chips, the MB6S rectifications bridge chip receives the ac voltage signal transmitted by the two lines bus interface, described
MB6S rectifications bridge chip exports d. c. voltage signal to the telecommunication circuit.
9. the power detecting sensor according to any one of Claims 1-4, it is characterised in that the two lines bus interface is
F-BUS two lines bus interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106569.5U CN206460154U (en) | 2017-01-25 | 2017-01-25 | Power detecting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106569.5U CN206460154U (en) | 2017-01-25 | 2017-01-25 | Power detecting sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460154U true CN206460154U (en) | 2017-09-01 |
Family
ID=59695092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720106569.5U Active CN206460154U (en) | 2017-01-25 | 2017-01-25 | Power detecting sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115048329A (en) * | 2022-06-30 | 2022-09-13 | 航天南洋（浙江）科技有限公司 | Digital transmitter based on POWERBUS technology |
-
2017
- 2017-01-25 CN CN201720106569.5U patent/CN206460154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115048329A (en) * | 2022-06-30 | 2022-09-13 | 航天南洋（浙江）科技有限公司 | Digital transmitter based on POWERBUS technology |
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